2 Unix SMB/CIFS implementation.
3 Main SMB reply routines
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Andrew Bartlett 2001
6 Copyright (C) Jeremy Allison 1992-2007.
7 Copyright (C) Volker Lendecke 2007
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 This file handles most of the reply_ calls that the server
24 makes to handle specific protocols
28 #include "smbd/globals.h"
30 /****************************************************************************
31 Ensure we check the path in *exactly* the same way as W2K for a findfirst/findnext
32 path or anything including wildcards.
33 We're assuming here that '/' is not the second byte in any multibyte char
34 set (a safe assumption). '\\' *may* be the second byte in a multibyte char
36 ****************************************************************************/
38 /* Custom version for processing POSIX paths. */
39 #define IS_PATH_SEP(c,posix_only) ((c) == '/' || (!(posix_only) && (c) == '\\'))
41 static NTSTATUS check_path_syntax_internal(char *path,
43 bool *p_last_component_contains_wcard)
47 NTSTATUS ret = NT_STATUS_OK;
48 bool start_of_name_component = True;
49 bool stream_started = false;
51 *p_last_component_contains_wcard = False;
58 return NT_STATUS_OBJECT_NAME_INVALID;
61 return NT_STATUS_OBJECT_NAME_INVALID;
63 if (strchr_m(&s[1], ':')) {
64 return NT_STATUS_OBJECT_NAME_INVALID;
70 if ((*s == ':') && !posix_path && !stream_started) {
71 if (*p_last_component_contains_wcard) {
72 return NT_STATUS_OBJECT_NAME_INVALID;
74 /* Stream names allow more characters than file names.
75 We're overloading posix_path here to allow a wider
76 range of characters. If stream_started is true this
77 is still a Windows path even if posix_path is true.
80 stream_started = true;
81 start_of_name_component = false;
85 return NT_STATUS_OBJECT_NAME_INVALID;
89 if (!stream_started && IS_PATH_SEP(*s,posix_path)) {
91 * Safe to assume is not the second part of a mb char
92 * as this is handled below.
94 /* Eat multiple '/' or '\\' */
95 while (IS_PATH_SEP(*s,posix_path)) {
98 if ((d != path) && (*s != '\0')) {
99 /* We only care about non-leading or trailing '/' or '\\' */
103 start_of_name_component = True;
105 *p_last_component_contains_wcard = False;
109 if (start_of_name_component) {
110 if ((s[0] == '.') && (s[1] == '.') && (IS_PATH_SEP(s[2],posix_path) || s[2] == '\0')) {
111 /* Uh oh - "/../" or "\\..\\" or "/..\0" or "\\..\0" ! */
114 * No mb char starts with '.' so we're safe checking the directory separator here.
117 /* If we just added a '/' - delete it */
118 if ((d > path) && (*(d-1) == '/')) {
123 /* Are we at the start ? Can't go back further if so. */
125 ret = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
128 /* Go back one level... */
129 /* We know this is safe as '/' cannot be part of a mb sequence. */
130 /* NOTE - if this assumption is invalid we are not in good shape... */
131 /* Decrement d first as d points to the *next* char to write into. */
132 for (d--; d > path; d--) {
136 s += 2; /* Else go past the .. */
137 /* We're still at the start of a name component, just the previous one. */
140 } else if ((s[0] == '.') && ((s[1] == '\0') || IS_PATH_SEP(s[1],posix_path))) {
152 if (*s <= 0x1f || *s == '|') {
153 return NT_STATUS_OBJECT_NAME_INVALID;
161 *p_last_component_contains_wcard = True;
170 /* Get the size of the next MB character. */
171 next_codepoint(s,&siz);
189 DEBUG(0,("check_path_syntax_internal: character length assumptions invalid !\n"));
191 return NT_STATUS_INVALID_PARAMETER;
194 start_of_name_component = False;
202 /****************************************************************************
203 Ensure we check the path in *exactly* the same way as W2K for regular pathnames.
204 No wildcards allowed.
205 ****************************************************************************/
207 NTSTATUS check_path_syntax(char *path)
210 return check_path_syntax_internal(path, False, &ignore);
213 /****************************************************************************
214 Ensure we check the path in *exactly* the same way as W2K for regular pathnames.
215 Wildcards allowed - p_contains_wcard returns true if the last component contained
217 ****************************************************************************/
219 NTSTATUS check_path_syntax_wcard(char *path, bool *p_contains_wcard)
221 return check_path_syntax_internal(path, False, p_contains_wcard);
224 /****************************************************************************
225 Check the path for a POSIX client.
226 We're assuming here that '/' is not the second byte in any multibyte char
227 set (a safe assumption).
228 ****************************************************************************/
230 NTSTATUS check_path_syntax_posix(char *path)
233 return check_path_syntax_internal(path, True, &ignore);
236 /****************************************************************************
237 Pull a string and check the path allowing a wilcard - provide for error return.
238 ****************************************************************************/
240 size_t srvstr_get_path_wcard(TALLOC_CTX *ctx,
241 const char *base_ptr,
248 bool *contains_wcard)
254 ret = srvstr_pull_talloc(ctx, base_ptr, smb_flags2, pp_dest, src,
258 *err = NT_STATUS_INVALID_PARAMETER;
262 *contains_wcard = False;
264 if (smb_flags2 & FLAGS2_DFS_PATHNAMES) {
266 * For a DFS path the function parse_dfs_path()
267 * will do the path processing, just make a copy.
273 if (lp_posix_pathnames()) {
274 *err = check_path_syntax_posix(*pp_dest);
276 *err = check_path_syntax_wcard(*pp_dest, contains_wcard);
282 /****************************************************************************
283 Pull a string and check the path - provide for error return.
284 ****************************************************************************/
286 size_t srvstr_get_path(TALLOC_CTX *ctx,
287 const char *base_ptr,
296 return srvstr_get_path_wcard(ctx, base_ptr, smb_flags2, pp_dest, src,
297 src_len, flags, err, &ignore);
300 size_t srvstr_get_path_req_wcard(TALLOC_CTX *mem_ctx, struct smb_request *req,
301 char **pp_dest, const char *src, int flags,
302 NTSTATUS *err, bool *contains_wcard)
304 return srvstr_get_path_wcard(mem_ctx, (char *)req->inbuf, req->flags2,
305 pp_dest, src, smbreq_bufrem(req, src),
306 flags, err, contains_wcard);
309 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
310 char **pp_dest, const char *src, int flags,
314 return srvstr_get_path_req_wcard(mem_ctx, req, pp_dest, src,
315 flags, err, &ignore);
318 /****************************************************************************
319 Check if we have a correct fsp pointing to a file. Basic check for open fsp.
320 ****************************************************************************/
322 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
325 if (!(fsp) || !(conn)) {
326 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
329 if (((conn) != (fsp)->conn) || req->vuid != (fsp)->vuid) {
330 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
336 /****************************************************************************
337 Check if we have a correct fsp pointing to a file.
338 ****************************************************************************/
340 bool check_fsp(connection_struct *conn, struct smb_request *req,
343 if (!check_fsp_open(conn, req, fsp)) {
346 if ((fsp)->is_directory) {
347 reply_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
350 if ((fsp)->fh->fd == -1) {
351 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
354 (fsp)->num_smb_operations++;
358 /****************************************************************************
359 Check if we have a correct fsp pointing to a quota fake file. Replacement for
360 the CHECK_NTQUOTA_HANDLE_OK macro.
361 ****************************************************************************/
363 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
366 if (!check_fsp_open(conn, req, fsp)) {
370 if (fsp->is_directory) {
374 if (fsp->fake_file_handle == NULL) {
378 if (fsp->fake_file_handle->type != FAKE_FILE_TYPE_QUOTA) {
382 if (fsp->fake_file_handle->private_data == NULL) {
389 /****************************************************************************
390 Check if we have a correct fsp. Replacement for the FSP_BELONGS_CONN macro
391 ****************************************************************************/
393 bool fsp_belongs_conn(connection_struct *conn, struct smb_request *req,
396 if ((fsp) && (conn) && ((conn)==(fsp)->conn)
397 && (req->vuid == (fsp)->vuid)) {
401 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
405 static bool netbios_session_retarget(const char *name, int name_type)
408 char *trim_name_type;
409 const char *retarget_parm;
412 int retarget_type = 0x20;
413 int retarget_port = 139;
414 struct sockaddr_storage retarget_addr;
415 struct sockaddr_in *in_addr;
419 if (get_socket_port(smbd_server_fd()) != 139) {
423 trim_name = talloc_strdup(talloc_tos(), name);
424 if (trim_name == NULL) {
427 trim_char(trim_name, ' ', ' ');
429 trim_name_type = talloc_asprintf(trim_name, "%s#%2.2x", trim_name,
431 if (trim_name_type == NULL) {
435 retarget_parm = lp_parm_const_string(-1, "netbios retarget",
436 trim_name_type, NULL);
437 if (retarget_parm == NULL) {
438 retarget_parm = lp_parm_const_string(-1, "netbios retarget",
441 if (retarget_parm == NULL) {
445 retarget = talloc_strdup(trim_name, retarget_parm);
446 if (retarget == NULL) {
450 DEBUG(10, ("retargeting %s to %s\n", trim_name_type, retarget));
452 p = strchr(retarget, ':');
455 retarget_port = atoi(p);
458 p = strchr_m(retarget, '#');
461 sscanf(p, "%x", &retarget_type);
464 ret = resolve_name(retarget, &retarget_addr, retarget_type, false);
466 DEBUG(10, ("could not resolve %s\n", retarget));
470 if (retarget_addr.ss_family != AF_INET) {
471 DEBUG(10, ("Retarget target not an IPv4 addr\n"));
475 in_addr = (struct sockaddr_in *)(void *)&retarget_addr;
477 _smb_setlen(outbuf, 6);
478 SCVAL(outbuf, 0, 0x84);
479 *(uint32_t *)(outbuf+4) = in_addr->sin_addr.s_addr;
480 *(uint16_t *)(outbuf+8) = htons(retarget_port);
482 if (!srv_send_smb(smbd_server_fd(), (char *)outbuf, false, 0, false,
484 exit_server_cleanly("netbios_session_regarget: srv_send_smb "
490 TALLOC_FREE(trim_name);
494 /****************************************************************************
495 Reply to a (netbios-level) special message.
496 ****************************************************************************/
498 void reply_special(char *inbuf, size_t inbuf_size)
500 int msg_type = CVAL(inbuf,0);
501 int msg_flags = CVAL(inbuf,1);
502 struct smbd_server_connection *sconn = smbd_server_conn;
504 * We only really use 4 bytes of the outbuf, but for the smb_setlen
505 * calculation & friends (srv_send_smb uses that) we need the full smb
508 char outbuf[smb_size];
510 memset(outbuf, '\0', sizeof(outbuf));
512 smb_setlen(outbuf,0);
515 case 0x81: /* session request */
517 /* inbuf_size is guarenteed to be at least 4. */
519 int name_type1, name_type2;
520 int name_len1, name_len2;
524 if (sconn->nbt.got_session) {
525 exit_server_cleanly("multiple session request not permitted");
528 SCVAL(outbuf,0,0x82);
531 /* inbuf_size is guaranteed to be at least 4. */
532 name_len1 = name_len((unsigned char *)(inbuf+4),inbuf_size - 4);
533 if (name_len1 <= 0 || name_len1 > inbuf_size - 4) {
534 DEBUG(0,("Invalid name length in session request\n"));
537 name_len2 = name_len((unsigned char *)(inbuf+4+name_len1),inbuf_size - 4 - name_len1);
538 if (name_len2 <= 0 || name_len2 > inbuf_size - 4 - name_len1) {
539 DEBUG(0,("Invalid name length in session request\n"));
543 name_type1 = name_extract((unsigned char *)inbuf,
544 inbuf_size,(unsigned int)4,name1);
545 name_type2 = name_extract((unsigned char *)inbuf,
546 inbuf_size,(unsigned int)(4 + name_len1),name2);
548 if (name_type1 == -1 || name_type2 == -1) {
549 DEBUG(0,("Invalid name type in session request\n"));
553 DEBUG(2,("netbios connect: name1=%s0x%x name2=%s0x%x\n",
554 name1, name_type1, name2, name_type2));
556 if (netbios_session_retarget(name1, name_type1)) {
557 exit_server_cleanly("retargeted client");
560 set_local_machine_name(name1, True);
561 set_remote_machine_name(name2, True);
563 DEBUG(2,("netbios connect: local=%s remote=%s, name type = %x\n",
564 get_local_machine_name(), get_remote_machine_name(),
567 if (name_type2 == 'R') {
568 /* We are being asked for a pathworks session ---
570 SCVAL(outbuf, 0,0x83);
574 /* only add the client's machine name to the list
575 of possibly valid usernames if we are operating
576 in share mode security */
577 if (lp_security() == SEC_SHARE) {
578 add_session_user(sconn, get_remote_machine_name());
581 reload_services(True);
584 sconn->nbt.got_session = true;
588 case 0x89: /* session keepalive request
589 (some old clients produce this?) */
590 SCVAL(outbuf,0,SMBkeepalive);
594 case 0x82: /* positive session response */
595 case 0x83: /* negative session response */
596 case 0x84: /* retarget session response */
597 DEBUG(0,("Unexpected session response\n"));
600 case SMBkeepalive: /* session keepalive */
605 DEBUG(5,("init msg_type=0x%x msg_flags=0x%x\n",
606 msg_type, msg_flags));
608 srv_send_smb(smbd_server_fd(), outbuf, false, 0, false, NULL);
612 /****************************************************************************
614 conn POINTER CAN BE NULL HERE !
615 ****************************************************************************/
617 void reply_tcon(struct smb_request *req)
619 connection_struct *conn = req->conn;
621 char *service_buf = NULL;
622 char *password = NULL;
627 DATA_BLOB password_blob;
628 TALLOC_CTX *ctx = talloc_tos();
629 struct smbd_server_connection *sconn = smbd_server_conn;
631 START_PROFILE(SMBtcon);
633 if (req->buflen < 4) {
634 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
635 END_PROFILE(SMBtcon);
639 p = (const char *)req->buf + 1;
640 p += srvstr_pull_req_talloc(ctx, req, &service_buf, p, STR_TERMINATE);
642 pwlen = srvstr_pull_req_talloc(ctx, req, &password, p, STR_TERMINATE);
644 p += srvstr_pull_req_talloc(ctx, req, &dev, p, STR_TERMINATE);
647 if (service_buf == NULL || password == NULL || dev == NULL) {
648 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
649 END_PROFILE(SMBtcon);
652 p = strrchr_m(service_buf,'\\');
656 service = service_buf;
659 password_blob = data_blob(password, pwlen+1);
661 conn = make_connection(sconn,service,password_blob,dev,
662 req->vuid,&nt_status);
665 data_blob_clear_free(&password_blob);
668 reply_nterror(req, nt_status);
669 END_PROFILE(SMBtcon);
673 reply_outbuf(req, 2, 0);
674 SSVAL(req->outbuf,smb_vwv0,sconn->smb1.negprot.max_recv);
675 SSVAL(req->outbuf,smb_vwv1,conn->cnum);
676 SSVAL(req->outbuf,smb_tid,conn->cnum);
678 DEBUG(3,("tcon service=%s cnum=%d\n",
679 service, conn->cnum));
681 END_PROFILE(SMBtcon);
685 /****************************************************************************
686 Reply to a tcon and X.
687 conn POINTER CAN BE NULL HERE !
688 ****************************************************************************/
690 void reply_tcon_and_X(struct smb_request *req)
692 connection_struct *conn = req->conn;
693 const char *service = NULL;
695 TALLOC_CTX *ctx = talloc_tos();
696 /* what the cleint thinks the device is */
697 char *client_devicetype = NULL;
698 /* what the server tells the client the share represents */
699 const char *server_devicetype;
705 struct smbd_server_connection *sconn = smbd_server_conn;
707 START_PROFILE(SMBtconX);
710 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
711 END_PROFILE(SMBtconX);
715 passlen = SVAL(req->vwv+3, 0);
716 tcon_flags = SVAL(req->vwv+2, 0);
718 /* we might have to close an old one */
719 if ((tcon_flags & 0x1) && conn) {
720 close_cnum(conn,req->vuid);
725 if ((passlen > MAX_PASS_LEN) || (passlen >= req->buflen)) {
726 reply_force_doserror(req, ERRDOS, ERRbuftoosmall);
727 END_PROFILE(SMBtconX);
731 if (sconn->smb1.negprot.encrypted_passwords) {
732 password = data_blob_talloc(talloc_tos(), req->buf, passlen);
733 if (lp_security() == SEC_SHARE) {
735 * Security = share always has a pad byte
736 * after the password.
738 p = (const char *)req->buf + passlen + 1;
740 p = (const char *)req->buf + passlen;
743 password = data_blob_talloc(talloc_tos(), req->buf, passlen+1);
744 /* Ensure correct termination */
745 password.data[passlen]=0;
746 p = (const char *)req->buf + passlen + 1;
749 p += srvstr_pull_req_talloc(ctx, req, &path, p, STR_TERMINATE);
752 data_blob_clear_free(&password);
753 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
754 END_PROFILE(SMBtconX);
759 * the service name can be either: \\server\share
760 * or share directly like on the DELL PowerVault 705
763 q = strchr_m(path+2,'\\');
765 data_blob_clear_free(&password);
766 reply_nterror(req, NT_STATUS_BAD_NETWORK_NAME);
767 END_PROFILE(SMBtconX);
775 p += srvstr_pull_talloc(ctx, req->inbuf, req->flags2,
776 &client_devicetype, p,
777 MIN(6, smbreq_bufrem(req, p)), STR_ASCII);
779 if (client_devicetype == NULL) {
780 data_blob_clear_free(&password);
781 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
782 END_PROFILE(SMBtconX);
786 DEBUG(4,("Client requested device type [%s] for share [%s]\n", client_devicetype, service));
788 conn = make_connection(sconn, service, password, client_devicetype,
789 req->vuid, &nt_status);
792 data_blob_clear_free(&password);
795 reply_nterror(req, nt_status);
796 END_PROFILE(SMBtconX);
801 server_devicetype = "IPC";
802 else if ( IS_PRINT(conn) )
803 server_devicetype = "LPT1:";
805 server_devicetype = "A:";
807 if (get_Protocol() < PROTOCOL_NT1) {
808 reply_outbuf(req, 2, 0);
809 if (message_push_string(&req->outbuf, server_devicetype,
810 STR_TERMINATE|STR_ASCII) == -1) {
811 reply_nterror(req, NT_STATUS_NO_MEMORY);
812 END_PROFILE(SMBtconX);
816 /* NT sets the fstype of IPC$ to the null string */
817 const char *fstype = IS_IPC(conn) ? "" : lp_fstype(SNUM(conn));
819 if (tcon_flags & TCONX_FLAG_EXTENDED_RESPONSE) {
820 /* Return permissions. */
824 reply_outbuf(req, 7, 0);
827 perm1 = FILE_ALL_ACCESS;
828 perm2 = FILE_ALL_ACCESS;
830 perm1 = CAN_WRITE(conn) ?
835 SIVAL(req->outbuf, smb_vwv3, perm1);
836 SIVAL(req->outbuf, smb_vwv5, perm2);
838 reply_outbuf(req, 3, 0);
841 if ((message_push_string(&req->outbuf, server_devicetype,
842 STR_TERMINATE|STR_ASCII) == -1)
843 || (message_push_string(&req->outbuf, fstype,
844 STR_TERMINATE) == -1)) {
845 reply_nterror(req, NT_STATUS_NO_MEMORY);
846 END_PROFILE(SMBtconX);
850 /* what does setting this bit do? It is set by NT4 and
851 may affect the ability to autorun mounted cdroms */
852 SSVAL(req->outbuf, smb_vwv2, SMB_SUPPORT_SEARCH_BITS|
853 (lp_csc_policy(SNUM(conn)) << 2));
855 if (lp_msdfs_root(SNUM(conn)) && lp_host_msdfs()) {
856 DEBUG(2,("Serving %s as a Dfs root\n",
857 lp_servicename(SNUM(conn)) ));
858 SSVAL(req->outbuf, smb_vwv2,
859 SMB_SHARE_IN_DFS | SVAL(req->outbuf, smb_vwv2));
864 DEBUG(3,("tconX service=%s \n",
867 /* set the incoming and outgoing tid to the just created one */
868 SSVAL(req->inbuf,smb_tid,conn->cnum);
869 SSVAL(req->outbuf,smb_tid,conn->cnum);
871 END_PROFILE(SMBtconX);
873 req->tid = conn->cnum;
878 /****************************************************************************
879 Reply to an unknown type.
880 ****************************************************************************/
882 void reply_unknown_new(struct smb_request *req, uint8 type)
884 DEBUG(0, ("unknown command type (%s): type=%d (0x%X)\n",
885 smb_fn_name(type), type, type));
886 reply_force_doserror(req, ERRSRV, ERRunknownsmb);
890 /****************************************************************************
892 conn POINTER CAN BE NULL HERE !
893 ****************************************************************************/
895 void reply_ioctl(struct smb_request *req)
897 connection_struct *conn = req->conn;
904 START_PROFILE(SMBioctl);
907 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
908 END_PROFILE(SMBioctl);
912 device = SVAL(req->vwv+1, 0);
913 function = SVAL(req->vwv+2, 0);
914 ioctl_code = (device << 16) + function;
916 DEBUG(4, ("Received IOCTL (code 0x%x)\n", ioctl_code));
918 switch (ioctl_code) {
919 case IOCTL_QUERY_JOB_INFO:
923 reply_force_doserror(req, ERRSRV, ERRnosupport);
924 END_PROFILE(SMBioctl);
928 reply_outbuf(req, 8, replysize+1);
929 SSVAL(req->outbuf,smb_vwv1,replysize); /* Total data bytes returned */
930 SSVAL(req->outbuf,smb_vwv5,replysize); /* Data bytes this buffer */
931 SSVAL(req->outbuf,smb_vwv6,52); /* Offset to data */
932 p = smb_buf(req->outbuf);
933 memset(p, '\0', replysize+1); /* valgrind-safe. */
934 p += 1; /* Allow for alignment */
936 switch (ioctl_code) {
937 case IOCTL_QUERY_JOB_INFO:
939 files_struct *fsp = file_fsp(
940 req, SVAL(req->vwv+0, 0));
942 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
943 END_PROFILE(SMBioctl);
946 SSVAL(p,0,fsp->rap_print_jobid); /* Job number */
947 srvstr_push((char *)req->outbuf, req->flags2, p+2,
949 STR_TERMINATE|STR_ASCII);
951 srvstr_push((char *)req->outbuf, req->flags2,
952 p+18, lp_servicename(SNUM(conn)),
953 13, STR_TERMINATE|STR_ASCII);
961 END_PROFILE(SMBioctl);
965 /****************************************************************************
966 Strange checkpath NTSTATUS mapping.
967 ****************************************************************************/
969 static NTSTATUS map_checkpath_error(uint16_t flags2, NTSTATUS status)
971 /* Strange DOS error code semantics only for checkpath... */
972 if (!(flags2 & FLAGS2_32_BIT_ERROR_CODES)) {
973 if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_INVALID,status)) {
974 /* We need to map to ERRbadpath */
975 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
981 /****************************************************************************
982 Reply to a checkpath.
983 ****************************************************************************/
985 void reply_checkpath(struct smb_request *req)
987 connection_struct *conn = req->conn;
988 struct smb_filename *smb_fname = NULL;
991 TALLOC_CTX *ctx = talloc_tos();
993 START_PROFILE(SMBcheckpath);
995 srvstr_get_path_req(ctx, req, &name, (const char *)req->buf + 1,
996 STR_TERMINATE, &status);
998 if (!NT_STATUS_IS_OK(status)) {
999 status = map_checkpath_error(req->flags2, status);
1000 reply_nterror(req, status);
1001 END_PROFILE(SMBcheckpath);
1005 DEBUG(3,("reply_checkpath %s mode=%d\n", name, (int)SVAL(req->vwv+0, 0)));
1007 status = filename_convert(ctx,
1009 req->flags2 & FLAGS2_DFS_PATHNAMES,
1015 if (!NT_STATUS_IS_OK(status)) {
1016 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1017 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1018 ERRSRV, ERRbadpath);
1019 END_PROFILE(SMBcheckpath);
1025 if (!VALID_STAT(smb_fname->st) &&
1026 (SMB_VFS_STAT(conn, smb_fname) != 0)) {
1027 DEBUG(3,("reply_checkpath: stat of %s failed (%s)\n",
1028 smb_fname_str_dbg(smb_fname), strerror(errno)));
1029 status = map_nt_error_from_unix(errno);
1033 if (!S_ISDIR(smb_fname->st.st_ex_mode)) {
1034 reply_botherror(req, NT_STATUS_NOT_A_DIRECTORY,
1035 ERRDOS, ERRbadpath);
1039 reply_outbuf(req, 0, 0);
1042 /* We special case this - as when a Windows machine
1043 is parsing a path is steps through the components
1044 one at a time - if a component fails it expects
1045 ERRbadpath, not ERRbadfile.
1047 status = map_checkpath_error(req->flags2, status);
1048 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
1050 * Windows returns different error codes if
1051 * the parent directory is valid but not the
1052 * last component - it returns NT_STATUS_OBJECT_NAME_NOT_FOUND
1053 * for that case and NT_STATUS_OBJECT_PATH_NOT_FOUND
1054 * if the path is invalid.
1056 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
1057 ERRDOS, ERRbadpath);
1061 reply_nterror(req, status);
1064 TALLOC_FREE(smb_fname);
1065 END_PROFILE(SMBcheckpath);
1069 /****************************************************************************
1071 ****************************************************************************/
1073 void reply_getatr(struct smb_request *req)
1075 connection_struct *conn = req->conn;
1076 struct smb_filename *smb_fname = NULL;
1083 TALLOC_CTX *ctx = talloc_tos();
1084 bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
1086 START_PROFILE(SMBgetatr);
1088 p = (const char *)req->buf + 1;
1089 p += srvstr_get_path_req(ctx, req, &fname, p, STR_TERMINATE, &status);
1090 if (!NT_STATUS_IS_OK(status)) {
1091 reply_nterror(req, status);
1095 /* dos smetimes asks for a stat of "" - it returns a "hidden directory"
1096 under WfWg - weird! */
1097 if (*fname == '\0') {
1098 mode = aHIDDEN | aDIR;
1099 if (!CAN_WRITE(conn)) {
1105 status = filename_convert(ctx,
1107 req->flags2 & FLAGS2_DFS_PATHNAMES,
1112 if (!NT_STATUS_IS_OK(status)) {
1113 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1114 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1115 ERRSRV, ERRbadpath);
1118 reply_nterror(req, status);
1121 if (!VALID_STAT(smb_fname->st) &&
1122 (SMB_VFS_STAT(conn, smb_fname) != 0)) {
1123 DEBUG(3,("reply_getatr: stat of %s failed (%s)\n",
1124 smb_fname_str_dbg(smb_fname),
1126 reply_nterror(req, map_nt_error_from_unix(errno));
1130 mode = dos_mode(conn, smb_fname);
1131 size = smb_fname->st.st_ex_size;
1133 if (ask_sharemode) {
1134 struct timespec write_time_ts;
1135 struct file_id fileid;
1137 ZERO_STRUCT(write_time_ts);
1138 fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
1139 get_file_infos(fileid, NULL, &write_time_ts);
1140 if (!null_timespec(write_time_ts)) {
1141 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1145 mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
1151 reply_outbuf(req, 10, 0);
1153 SSVAL(req->outbuf,smb_vwv0,mode);
1154 if(lp_dos_filetime_resolution(SNUM(conn)) ) {
1155 srv_put_dos_date3((char *)req->outbuf,smb_vwv1,mtime & ~1);
1157 srv_put_dos_date3((char *)req->outbuf,smb_vwv1,mtime);
1159 SIVAL(req->outbuf,smb_vwv3,(uint32)size);
1161 if (get_Protocol() >= PROTOCOL_NT1) {
1162 SSVAL(req->outbuf, smb_flg2,
1163 SVAL(req->outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
1166 DEBUG(3,("reply_getatr: name=%s mode=%d size=%u\n",
1167 smb_fname_str_dbg(smb_fname), mode, (unsigned int)size));
1170 TALLOC_FREE(smb_fname);
1172 END_PROFILE(SMBgetatr);
1176 /****************************************************************************
1178 ****************************************************************************/
1180 void reply_setatr(struct smb_request *req)
1182 struct smb_file_time ft;
1183 connection_struct *conn = req->conn;
1184 struct smb_filename *smb_fname = NULL;
1190 TALLOC_CTX *ctx = talloc_tos();
1192 START_PROFILE(SMBsetatr);
1197 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1201 p = (const char *)req->buf + 1;
1202 p += srvstr_get_path_req(ctx, req, &fname, p, STR_TERMINATE, &status);
1203 if (!NT_STATUS_IS_OK(status)) {
1204 reply_nterror(req, status);
1208 status = filename_convert(ctx,
1210 req->flags2 & FLAGS2_DFS_PATHNAMES,
1215 if (!NT_STATUS_IS_OK(status)) {
1216 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1217 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1218 ERRSRV, ERRbadpath);
1221 reply_nterror(req, status);
1225 if (smb_fname->base_name[0] == '.' &&
1226 smb_fname->base_name[1] == '\0') {
1228 * Not sure here is the right place to catch this
1229 * condition. Might be moved to somewhere else later -- vl
1231 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1235 mode = SVAL(req->vwv+0, 0);
1236 mtime = srv_make_unix_date3(req->vwv+1);
1238 ft.mtime = convert_time_t_to_timespec(mtime);
1239 status = smb_set_file_time(conn, NULL, smb_fname, &ft, true);
1240 if (!NT_STATUS_IS_OK(status)) {
1241 reply_nterror(req, status);
1245 if (mode != FILE_ATTRIBUTE_NORMAL) {
1246 if (VALID_STAT_OF_DIR(smb_fname->st))
1251 if (file_set_dosmode(conn, smb_fname, mode, NULL,
1253 reply_nterror(req, map_nt_error_from_unix(errno));
1258 reply_outbuf(req, 0, 0);
1260 DEBUG(3, ("setatr name=%s mode=%d\n", smb_fname_str_dbg(smb_fname),
1263 TALLOC_FREE(smb_fname);
1264 END_PROFILE(SMBsetatr);
1268 /****************************************************************************
1270 ****************************************************************************/
1272 void reply_dskattr(struct smb_request *req)
1274 connection_struct *conn = req->conn;
1275 uint64_t dfree,dsize,bsize;
1276 START_PROFILE(SMBdskattr);
1278 if (get_dfree_info(conn,".",True,&bsize,&dfree,&dsize) == (uint64_t)-1) {
1279 reply_nterror(req, map_nt_error_from_unix(errno));
1280 END_PROFILE(SMBdskattr);
1284 reply_outbuf(req, 5, 0);
1286 if (get_Protocol() <= PROTOCOL_LANMAN2) {
1287 double total_space, free_space;
1288 /* we need to scale this to a number that DOS6 can handle. We
1289 use floating point so we can handle large drives on systems
1290 that don't have 64 bit integers
1292 we end up displaying a maximum of 2G to DOS systems
1294 total_space = dsize * (double)bsize;
1295 free_space = dfree * (double)bsize;
1297 dsize = (uint64_t)((total_space+63*512) / (64*512));
1298 dfree = (uint64_t)((free_space+63*512) / (64*512));
1300 if (dsize > 0xFFFF) dsize = 0xFFFF;
1301 if (dfree > 0xFFFF) dfree = 0xFFFF;
1303 SSVAL(req->outbuf,smb_vwv0,dsize);
1304 SSVAL(req->outbuf,smb_vwv1,64); /* this must be 64 for dos systems */
1305 SSVAL(req->outbuf,smb_vwv2,512); /* and this must be 512 */
1306 SSVAL(req->outbuf,smb_vwv3,dfree);
1308 SSVAL(req->outbuf,smb_vwv0,dsize);
1309 SSVAL(req->outbuf,smb_vwv1,bsize/512);
1310 SSVAL(req->outbuf,smb_vwv2,512);
1311 SSVAL(req->outbuf,smb_vwv3,dfree);
1314 DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree));
1316 END_PROFILE(SMBdskattr);
1321 * Utility function to split the filename from the directory.
1323 static NTSTATUS split_fname_dir_mask(TALLOC_CTX *ctx, const char *fname_in,
1324 char **fname_dir_out,
1325 char **fname_mask_out)
1327 const char *p = NULL;
1328 char *fname_dir = NULL;
1329 char *fname_mask = NULL;
1331 p = strrchr_m(fname_in, '/');
1333 fname_dir = talloc_strdup(ctx, ".");
1334 fname_mask = talloc_strdup(ctx, fname_in);
1336 fname_dir = talloc_strndup(ctx, fname_in,
1337 PTR_DIFF(p, fname_in));
1338 fname_mask = talloc_strdup(ctx, p+1);
1341 if (!fname_dir || !fname_mask) {
1342 TALLOC_FREE(fname_dir);
1343 TALLOC_FREE(fname_mask);
1344 return NT_STATUS_NO_MEMORY;
1347 *fname_dir_out = fname_dir;
1348 *fname_mask_out = fname_mask;
1349 return NT_STATUS_OK;
1352 /****************************************************************************
1354 Can be called from SMBsearch, SMBffirst or SMBfunique.
1355 ****************************************************************************/
1357 void reply_search(struct smb_request *req)
1359 connection_struct *conn = req->conn;
1361 const char *mask = NULL;
1362 char *directory = NULL;
1363 struct smb_filename *smb_fname = NULL;
1367 struct timespec date;
1369 unsigned int numentries = 0;
1370 unsigned int maxentries = 0;
1371 bool finished = False;
1376 bool check_descend = False;
1377 bool expect_close = False;
1379 bool mask_contains_wcard = False;
1380 bool allow_long_path_components = (req->flags2 & FLAGS2_LONG_PATH_COMPONENTS) ? True : False;
1381 TALLOC_CTX *ctx = talloc_tos();
1382 bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
1383 struct dptr_struct *dirptr = NULL;
1384 struct smbd_server_connection *sconn = smbd_server_conn;
1386 START_PROFILE(SMBsearch);
1389 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1393 if (lp_posix_pathnames()) {
1394 reply_unknown_new(req, req->cmd);
1398 /* If we were called as SMBffirst then we must expect close. */
1399 if(req->cmd == SMBffirst) {
1400 expect_close = True;
1403 reply_outbuf(req, 1, 3);
1404 maxentries = SVAL(req->vwv+0, 0);
1405 dirtype = SVAL(req->vwv+1, 0);
1406 p = (const char *)req->buf + 1;
1407 p += srvstr_get_path_req_wcard(ctx, req, &path, p, STR_TERMINATE,
1408 &nt_status, &mask_contains_wcard);
1409 if (!NT_STATUS_IS_OK(nt_status)) {
1410 reply_nterror(req, nt_status);
1415 status_len = SVAL(p, 0);
1418 /* dirtype &= ~aDIR; */
1420 if (status_len == 0) {
1421 nt_status = filename_convert(ctx, conn,
1422 req->flags2 & FLAGS2_DFS_PATHNAMES,
1424 UCF_ALWAYS_ALLOW_WCARD_LCOMP,
1425 &mask_contains_wcard,
1427 if (!NT_STATUS_IS_OK(nt_status)) {
1428 if (NT_STATUS_EQUAL(nt_status,NT_STATUS_PATH_NOT_COVERED)) {
1429 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1430 ERRSRV, ERRbadpath);
1433 reply_nterror(req, nt_status);
1437 directory = smb_fname->base_name;
1439 p = strrchr_m(directory,'/');
1440 if ((p != NULL) && (*directory != '/')) {
1442 directory = talloc_strndup(ctx, directory,
1443 PTR_DIFF(p, directory));
1446 directory = talloc_strdup(ctx,".");
1450 reply_nterror(req, NT_STATUS_NO_MEMORY);
1454 memset((char *)status,'\0',21);
1455 SCVAL(status,0,(dirtype & 0x1F));
1457 nt_status = dptr_create(conn,
1463 mask_contains_wcard,
1466 if (!NT_STATUS_IS_OK(nt_status)) {
1467 reply_nterror(req, nt_status);
1470 dptr_num = dptr_dnum(dirptr);
1473 const char *dirpath;
1475 memcpy(status,p,21);
1476 status_dirtype = CVAL(status,0) & 0x1F;
1477 if (status_dirtype != (dirtype & 0x1F)) {
1478 dirtype = status_dirtype;
1481 dirptr = dptr_fetch(sconn, status+12,&dptr_num);
1485 dirpath = dptr_path(sconn, dptr_num);
1486 directory = talloc_strdup(ctx, dirpath);
1488 reply_nterror(req, NT_STATUS_NO_MEMORY);
1492 mask = dptr_wcard(sconn, dptr_num);
1497 * For a 'continue' search we have no string. So
1498 * check from the initial saved string.
1500 mask_contains_wcard = ms_has_wild(mask);
1501 dirtype = dptr_attr(sconn, dptr_num);
1504 DEBUG(4,("dptr_num is %d\n",dptr_num));
1506 /* Initialize per SMBsearch/SMBffirst/SMBfunique operation data */
1507 dptr_init_search_op(dirptr);
1509 if ((dirtype&0x1F) == aVOLID) {
1510 char buf[DIR_STRUCT_SIZE];
1511 memcpy(buf,status,21);
1512 if (!make_dir_struct(ctx,buf,"???????????",volume_label(SNUM(conn)),
1513 0,aVOLID,0,!allow_long_path_components)) {
1514 reply_nterror(req, NT_STATUS_NO_MEMORY);
1517 dptr_fill(sconn, buf+12,dptr_num);
1518 if (dptr_zero(buf+12) && (status_len==0)) {
1523 if (message_push_blob(&req->outbuf,
1524 data_blob_const(buf, sizeof(buf)))
1526 reply_nterror(req, NT_STATUS_NO_MEMORY);
1534 ((uint8 *)smb_buf(req->outbuf) + 3 - req->outbuf))
1537 DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
1538 directory,lp_dontdescend(SNUM(conn))));
1539 if (in_list(directory, lp_dontdescend(SNUM(conn)),True)) {
1540 check_descend = True;
1543 for (i=numentries;(i<maxentries) && !finished;i++) {
1544 finished = !get_dir_entry(ctx,
1555 char buf[DIR_STRUCT_SIZE];
1556 memcpy(buf,status,21);
1557 if (!make_dir_struct(ctx,
1563 convert_timespec_to_time_t(date),
1564 !allow_long_path_components)) {
1565 reply_nterror(req, NT_STATUS_NO_MEMORY);
1568 if (!dptr_fill(sconn, buf+12,dptr_num)) {
1571 if (message_push_blob(&req->outbuf,
1572 data_blob_const(buf, sizeof(buf)))
1574 reply_nterror(req, NT_STATUS_NO_MEMORY);
1584 /* If we were called as SMBffirst with smb_search_id == NULL
1585 and no entries were found then return error and close dirptr
1588 if (numentries == 0) {
1589 dptr_close(sconn, &dptr_num);
1590 } else if(expect_close && status_len == 0) {
1591 /* Close the dptr - we know it's gone */
1592 dptr_close(sconn, &dptr_num);
1595 /* If we were called as SMBfunique, then we can close the dirptr now ! */
1596 if(dptr_num >= 0 && req->cmd == SMBfunique) {
1597 dptr_close(sconn, &dptr_num);
1600 if ((numentries == 0) && !mask_contains_wcard) {
1601 reply_botherror(req, STATUS_NO_MORE_FILES, ERRDOS, ERRnofiles);
1605 SSVAL(req->outbuf,smb_vwv0,numentries);
1606 SSVAL(req->outbuf,smb_vwv1,3 + numentries * DIR_STRUCT_SIZE);
1607 SCVAL(smb_buf(req->outbuf),0,5);
1608 SSVAL(smb_buf(req->outbuf),1,numentries*DIR_STRUCT_SIZE);
1610 /* The replies here are never long name. */
1611 SSVAL(req->outbuf, smb_flg2,
1612 SVAL(req->outbuf, smb_flg2) & (~FLAGS2_IS_LONG_NAME));
1613 if (!allow_long_path_components) {
1614 SSVAL(req->outbuf, smb_flg2,
1615 SVAL(req->outbuf, smb_flg2)
1616 & (~FLAGS2_LONG_PATH_COMPONENTS));
1619 /* This SMB *always* returns ASCII names. Remove the unicode bit in flags2. */
1620 SSVAL(req->outbuf, smb_flg2,
1621 (SVAL(req->outbuf, smb_flg2) & (~FLAGS2_UNICODE_STRINGS)));
1623 DEBUG(4,("%s mask=%s path=%s dtype=%d nument=%u of %u\n",
1624 smb_fn_name(req->cmd),
1631 TALLOC_FREE(directory);
1632 TALLOC_FREE(smb_fname);
1633 END_PROFILE(SMBsearch);
1637 /****************************************************************************
1638 Reply to a fclose (stop directory search).
1639 ****************************************************************************/
1641 void reply_fclose(struct smb_request *req)
1649 bool path_contains_wcard = False;
1650 TALLOC_CTX *ctx = talloc_tos();
1651 struct smbd_server_connection *sconn = smbd_server_conn;
1653 START_PROFILE(SMBfclose);
1655 if (lp_posix_pathnames()) {
1656 reply_unknown_new(req, req->cmd);
1657 END_PROFILE(SMBfclose);
1661 p = (const char *)req->buf + 1;
1662 p += srvstr_get_path_req_wcard(ctx, req, &path, p, STR_TERMINATE,
1663 &err, &path_contains_wcard);
1664 if (!NT_STATUS_IS_OK(err)) {
1665 reply_nterror(req, err);
1666 END_PROFILE(SMBfclose);
1670 status_len = SVAL(p,0);
1673 if (status_len == 0) {
1674 reply_force_doserror(req, ERRSRV, ERRsrverror);
1675 END_PROFILE(SMBfclose);
1679 memcpy(status,p,21);
1681 if(dptr_fetch(sconn, status+12,&dptr_num)) {
1682 /* Close the dptr - we know it's gone */
1683 dptr_close(sconn, &dptr_num);
1686 reply_outbuf(req, 1, 0);
1687 SSVAL(req->outbuf,smb_vwv0,0);
1689 DEBUG(3,("search close\n"));
1691 END_PROFILE(SMBfclose);
1695 /****************************************************************************
1697 ****************************************************************************/
1699 void reply_open(struct smb_request *req)
1701 connection_struct *conn = req->conn;
1702 struct smb_filename *smb_fname = NULL;
1714 uint32 create_disposition;
1715 uint32 create_options = 0;
1717 bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
1718 TALLOC_CTX *ctx = talloc_tos();
1720 START_PROFILE(SMBopen);
1723 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1727 oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
1728 deny_mode = SVAL(req->vwv+0, 0);
1729 dos_attr = SVAL(req->vwv+1, 0);
1731 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf+1,
1732 STR_TERMINATE, &status);
1733 if (!NT_STATUS_IS_OK(status)) {
1734 reply_nterror(req, status);
1738 status = filename_convert(ctx,
1740 req->flags2 & FLAGS2_DFS_PATHNAMES,
1745 if (!NT_STATUS_IS_OK(status)) {
1746 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1747 reply_botherror(req,
1748 NT_STATUS_PATH_NOT_COVERED,
1749 ERRSRV, ERRbadpath);
1752 reply_nterror(req, status);
1756 if (!map_open_params_to_ntcreate(smb_fname->base_name, deny_mode,
1757 OPENX_FILE_EXISTS_OPEN, &access_mask,
1758 &share_mode, &create_disposition,
1760 reply_force_doserror(req, ERRDOS, ERRbadaccess);
1764 status = SMB_VFS_CREATE_FILE(
1767 0, /* root_dir_fid */
1768 smb_fname, /* fname */
1769 access_mask, /* access_mask */
1770 share_mode, /* share_access */
1771 create_disposition, /* create_disposition*/
1772 create_options, /* create_options */
1773 dos_attr, /* file_attributes */
1774 oplock_request, /* oplock_request */
1775 0, /* allocation_size */
1781 if (!NT_STATUS_IS_OK(status)) {
1782 if (open_was_deferred(req->mid)) {
1783 /* We have re-scheduled this call. */
1786 reply_openerror(req, status);
1790 size = smb_fname->st.st_ex_size;
1791 fattr = dos_mode(conn, smb_fname);
1793 /* Deal with other possible opens having a modified
1795 if (ask_sharemode) {
1796 struct timespec write_time_ts;
1798 ZERO_STRUCT(write_time_ts);
1799 get_file_infos(fsp->file_id, NULL, &write_time_ts);
1800 if (!null_timespec(write_time_ts)) {
1801 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1805 mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
1808 DEBUG(3,("attempt to open a directory %s\n",
1810 close_file(req, fsp, ERROR_CLOSE);
1811 reply_botherror(req, NT_STATUS_ACCESS_DENIED,
1812 ERRDOS, ERRnoaccess);
1816 reply_outbuf(req, 7, 0);
1817 SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
1818 SSVAL(req->outbuf,smb_vwv1,fattr);
1819 if(lp_dos_filetime_resolution(SNUM(conn)) ) {
1820 srv_put_dos_date3((char *)req->outbuf,smb_vwv2,mtime & ~1);
1822 srv_put_dos_date3((char *)req->outbuf,smb_vwv2,mtime);
1824 SIVAL(req->outbuf,smb_vwv4,(uint32)size);
1825 SSVAL(req->outbuf,smb_vwv6,deny_mode);
1827 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1828 SCVAL(req->outbuf,smb_flg,
1829 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1832 if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1833 SCVAL(req->outbuf,smb_flg,
1834 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1837 TALLOC_FREE(smb_fname);
1838 END_PROFILE(SMBopen);
1842 /****************************************************************************
1843 Reply to an open and X.
1844 ****************************************************************************/
1846 void reply_open_and_X(struct smb_request *req)
1848 connection_struct *conn = req->conn;
1849 struct smb_filename *smb_fname = NULL;
1854 /* Breakout the oplock request bits so we can set the
1855 reply bits separately. */
1856 int ex_oplock_request;
1857 int core_oplock_request;
1860 int smb_sattr = SVAL(req->vwv+4, 0);
1861 uint32 smb_time = make_unix_date3(req->vwv+6);
1869 uint64_t allocation_size;
1870 ssize_t retval = -1;
1873 uint32 create_disposition;
1874 uint32 create_options = 0;
1875 TALLOC_CTX *ctx = talloc_tos();
1877 START_PROFILE(SMBopenX);
1879 if (req->wct < 15) {
1880 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1884 open_flags = SVAL(req->vwv+2, 0);
1885 deny_mode = SVAL(req->vwv+3, 0);
1886 smb_attr = SVAL(req->vwv+5, 0);
1887 ex_oplock_request = EXTENDED_OPLOCK_REQUEST(req->inbuf);
1888 core_oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
1889 oplock_request = ex_oplock_request | core_oplock_request;
1890 smb_ofun = SVAL(req->vwv+8, 0);
1891 allocation_size = (uint64_t)IVAL(req->vwv+9, 0);
1893 /* If it's an IPC, pass off the pipe handler. */
1895 if (lp_nt_pipe_support()) {
1896 reply_open_pipe_and_X(conn, req);
1898 reply_nterror(req, NT_STATUS_NETWORK_ACCESS_DENIED);
1903 /* XXXX we need to handle passed times, sattr and flags */
1904 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
1905 STR_TERMINATE, &status);
1906 if (!NT_STATUS_IS_OK(status)) {
1907 reply_nterror(req, status);
1911 status = filename_convert(ctx,
1913 req->flags2 & FLAGS2_DFS_PATHNAMES,
1918 if (!NT_STATUS_IS_OK(status)) {
1919 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1920 reply_botherror(req,
1921 NT_STATUS_PATH_NOT_COVERED,
1922 ERRSRV, ERRbadpath);
1925 reply_nterror(req, status);
1929 if (!map_open_params_to_ntcreate(smb_fname->base_name, deny_mode,
1931 &access_mask, &share_mode,
1932 &create_disposition,
1934 reply_force_doserror(req, ERRDOS, ERRbadaccess);
1938 status = SMB_VFS_CREATE_FILE(
1941 0, /* root_dir_fid */
1942 smb_fname, /* fname */
1943 access_mask, /* access_mask */
1944 share_mode, /* share_access */
1945 create_disposition, /* create_disposition*/
1946 create_options, /* create_options */
1947 smb_attr, /* file_attributes */
1948 oplock_request, /* oplock_request */
1949 0, /* allocation_size */
1953 &smb_action); /* pinfo */
1955 if (!NT_STATUS_IS_OK(status)) {
1956 if (open_was_deferred(req->mid)) {
1957 /* We have re-scheduled this call. */
1960 reply_openerror(req, status);
1964 /* Setting the "size" field in vwv9 and vwv10 causes the file to be set to this size,
1965 if the file is truncated or created. */
1966 if (((smb_action == FILE_WAS_CREATED) || (smb_action == FILE_WAS_OVERWRITTEN)) && allocation_size) {
1967 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1968 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1969 close_file(req, fsp, ERROR_CLOSE);
1970 reply_nterror(req, NT_STATUS_DISK_FULL);
1973 retval = vfs_set_filelen(fsp, (SMB_OFF_T)allocation_size);
1975 close_file(req, fsp, ERROR_CLOSE);
1976 reply_nterror(req, NT_STATUS_DISK_FULL);
1979 smb_fname->st.st_ex_size =
1980 SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st);
1983 fattr = dos_mode(conn, smb_fname);
1984 mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
1986 close_file(req, fsp, ERROR_CLOSE);
1987 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1991 /* If the caller set the extended oplock request bit
1992 and we granted one (by whatever means) - set the
1993 correct bit for extended oplock reply.
1996 if (ex_oplock_request && lp_fake_oplocks(SNUM(conn))) {
1997 smb_action |= EXTENDED_OPLOCK_GRANTED;
2000 if(ex_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2001 smb_action |= EXTENDED_OPLOCK_GRANTED;
2004 /* If the caller set the core oplock request bit
2005 and we granted one (by whatever means) - set the
2006 correct bit for core oplock reply.
2009 if (open_flags & EXTENDED_RESPONSE_REQUIRED) {
2010 reply_outbuf(req, 19, 0);
2012 reply_outbuf(req, 15, 0);
2015 if (core_oplock_request && lp_fake_oplocks(SNUM(conn))) {
2016 SCVAL(req->outbuf, smb_flg,
2017 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2020 if(core_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2021 SCVAL(req->outbuf, smb_flg,
2022 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2025 SSVAL(req->outbuf,smb_vwv2,fsp->fnum);
2026 SSVAL(req->outbuf,smb_vwv3,fattr);
2027 if(lp_dos_filetime_resolution(SNUM(conn)) ) {
2028 srv_put_dos_date3((char *)req->outbuf,smb_vwv4,mtime & ~1);
2030 srv_put_dos_date3((char *)req->outbuf,smb_vwv4,mtime);
2032 SIVAL(req->outbuf,smb_vwv6,(uint32)smb_fname->st.st_ex_size);
2033 SSVAL(req->outbuf,smb_vwv8,GET_OPENX_MODE(deny_mode));
2034 SSVAL(req->outbuf,smb_vwv11,smb_action);
2036 if (open_flags & EXTENDED_RESPONSE_REQUIRED) {
2037 SIVAL(req->outbuf, smb_vwv15, STD_RIGHT_ALL_ACCESS);
2042 TALLOC_FREE(smb_fname);
2043 END_PROFILE(SMBopenX);
2047 /****************************************************************************
2048 Reply to a SMBulogoffX.
2049 ****************************************************************************/
2051 void reply_ulogoffX(struct smb_request *req)
2053 struct smbd_server_connection *sconn = smbd_server_conn;
2056 START_PROFILE(SMBulogoffX);
2058 vuser = get_valid_user_struct(sconn, req->vuid);
2061 DEBUG(3,("ulogoff, vuser id %d does not map to user.\n",
2065 /* in user level security we are supposed to close any files
2066 open by this user */
2067 if ((vuser != NULL) && (lp_security() != SEC_SHARE)) {
2068 file_close_user(req->vuid);
2071 invalidate_vuid(sconn, req->vuid);
2073 reply_outbuf(req, 2, 0);
2075 DEBUG( 3, ( "ulogoffX vuid=%d\n", req->vuid ) );
2077 END_PROFILE(SMBulogoffX);
2078 req->vuid = UID_FIELD_INVALID;
2082 /****************************************************************************
2083 Reply to a mknew or a create.
2084 ****************************************************************************/
2086 void reply_mknew(struct smb_request *req)
2088 connection_struct *conn = req->conn;
2089 struct smb_filename *smb_fname = NULL;
2092 struct smb_file_time ft;
2094 int oplock_request = 0;
2096 uint32 access_mask = FILE_GENERIC_READ | FILE_GENERIC_WRITE;
2097 uint32 share_mode = FILE_SHARE_READ|FILE_SHARE_WRITE;
2098 uint32 create_disposition;
2099 uint32 create_options = 0;
2100 TALLOC_CTX *ctx = talloc_tos();
2102 START_PROFILE(SMBcreate);
2106 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2110 fattr = SVAL(req->vwv+0, 0);
2111 oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
2114 ft.mtime = convert_time_t_to_timespec(srv_make_unix_date3(req->vwv+1));
2116 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf + 1,
2117 STR_TERMINATE, &status);
2118 if (!NT_STATUS_IS_OK(status)) {
2119 reply_nterror(req, status);
2123 status = filename_convert(ctx,
2125 req->flags2 & FLAGS2_DFS_PATHNAMES,
2130 if (!NT_STATUS_IS_OK(status)) {
2131 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2132 reply_botherror(req,
2133 NT_STATUS_PATH_NOT_COVERED,
2134 ERRSRV, ERRbadpath);
2137 reply_nterror(req, status);
2141 if (fattr & aVOLID) {
2142 DEBUG(0,("Attempt to create file (%s) with volid set - "
2143 "please report this\n",
2144 smb_fname_str_dbg(smb_fname)));
2147 if(req->cmd == SMBmknew) {
2148 /* We should fail if file exists. */
2149 create_disposition = FILE_CREATE;
2151 /* Create if file doesn't exist, truncate if it does. */
2152 create_disposition = FILE_OVERWRITE_IF;
2155 status = SMB_VFS_CREATE_FILE(
2158 0, /* root_dir_fid */
2159 smb_fname, /* fname */
2160 access_mask, /* access_mask */
2161 share_mode, /* share_access */
2162 create_disposition, /* create_disposition*/
2163 create_options, /* create_options */
2164 fattr, /* file_attributes */
2165 oplock_request, /* oplock_request */
2166 0, /* allocation_size */
2172 if (!NT_STATUS_IS_OK(status)) {
2173 if (open_was_deferred(req->mid)) {
2174 /* We have re-scheduled this call. */
2177 reply_openerror(req, status);
2181 ft.atime = smb_fname->st.st_ex_atime; /* atime. */
2182 status = smb_set_file_time(conn, fsp, smb_fname, &ft, true);
2183 if (!NT_STATUS_IS_OK(status)) {
2184 END_PROFILE(SMBcreate);
2188 reply_outbuf(req, 1, 0);
2189 SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
2191 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
2192 SCVAL(req->outbuf,smb_flg,
2193 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2196 if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2197 SCVAL(req->outbuf,smb_flg,
2198 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2201 DEBUG(2, ("reply_mknew: file %s\n", smb_fname_str_dbg(smb_fname)));
2202 DEBUG(3, ("reply_mknew %s fd=%d dmode=0x%x\n",
2203 smb_fname_str_dbg(smb_fname), fsp->fh->fd,
2204 (unsigned int)fattr));
2207 TALLOC_FREE(smb_fname);
2208 END_PROFILE(SMBcreate);
2212 /****************************************************************************
2213 Reply to a create temporary file.
2214 ****************************************************************************/
2216 void reply_ctemp(struct smb_request *req)
2218 connection_struct *conn = req->conn;
2219 struct smb_filename *smb_fname = NULL;
2227 TALLOC_CTX *ctx = talloc_tos();
2229 START_PROFILE(SMBctemp);
2232 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2236 fattr = SVAL(req->vwv+0, 0);
2237 oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
2239 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf+1,
2240 STR_TERMINATE, &status);
2241 if (!NT_STATUS_IS_OK(status)) {
2242 reply_nterror(req, status);
2246 fname = talloc_asprintf(ctx,
2250 fname = talloc_strdup(ctx, "TMXXXXXX");
2254 reply_nterror(req, NT_STATUS_NO_MEMORY);
2258 status = filename_convert(ctx, conn,
2259 req->flags2 & FLAGS2_DFS_PATHNAMES,
2264 if (!NT_STATUS_IS_OK(status)) {
2265 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2266 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2267 ERRSRV, ERRbadpath);
2270 reply_nterror(req, status);
2274 tmpfd = mkstemp(smb_fname->base_name);
2276 reply_nterror(req, map_nt_error_from_unix(errno));
2280 SMB_VFS_STAT(conn, smb_fname);
2282 /* We should fail if file does not exist. */
2283 status = SMB_VFS_CREATE_FILE(
2286 0, /* root_dir_fid */
2287 smb_fname, /* fname */
2288 FILE_GENERIC_READ | FILE_GENERIC_WRITE, /* access_mask */
2289 FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
2290 FILE_OPEN, /* create_disposition*/
2291 0, /* create_options */
2292 fattr, /* file_attributes */
2293 oplock_request, /* oplock_request */
2294 0, /* allocation_size */
2300 /* close fd from mkstemp() */
2303 if (!NT_STATUS_IS_OK(status)) {
2304 if (open_was_deferred(req->mid)) {
2305 /* We have re-scheduled this call. */
2308 reply_openerror(req, status);
2312 reply_outbuf(req, 1, 0);
2313 SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
2315 /* the returned filename is relative to the directory */
2316 s = strrchr_m(fsp->fsp_name->base_name, '/');
2318 s = fsp->fsp_name->base_name;
2324 /* Tested vs W2K3 - this doesn't seem to be here - null terminated filename is the only
2325 thing in the byte section. JRA */
2326 SSVALS(p, 0, -1); /* what is this? not in spec */
2328 if (message_push_string(&req->outbuf, s, STR_ASCII|STR_TERMINATE)
2330 reply_nterror(req, NT_STATUS_NO_MEMORY);
2334 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
2335 SCVAL(req->outbuf, smb_flg,
2336 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2339 if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2340 SCVAL(req->outbuf, smb_flg,
2341 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2344 DEBUG(2, ("reply_ctemp: created temp file %s\n", fsp_str_dbg(fsp)));
2345 DEBUG(3, ("reply_ctemp %s fd=%d umode=0%o\n", fsp_str_dbg(fsp),
2346 fsp->fh->fd, (unsigned int)smb_fname->st.st_ex_mode));
2348 TALLOC_FREE(smb_fname);
2349 END_PROFILE(SMBctemp);
2353 /*******************************************************************
2354 Check if a user is allowed to rename a file.
2355 ********************************************************************/
2357 static NTSTATUS can_rename(connection_struct *conn, files_struct *fsp,
2362 if (!CAN_WRITE(conn)) {
2363 return NT_STATUS_MEDIA_WRITE_PROTECTED;
2366 fmode = dos_mode(conn, fsp->fsp_name);
2367 if ((fmode & ~dirtype) & (aHIDDEN | aSYSTEM)) {
2368 return NT_STATUS_NO_SUCH_FILE;
2371 if (S_ISDIR(fsp->fsp_name->st.st_ex_mode)) {
2372 if (fsp->posix_open) {
2373 return NT_STATUS_OK;
2376 /* If no pathnames are open below this
2377 directory, allow the rename. */
2379 if (file_find_subpath(fsp)) {
2380 return NT_STATUS_ACCESS_DENIED;
2382 return NT_STATUS_OK;
2385 if (fsp->access_mask & (DELETE_ACCESS|FILE_WRITE_ATTRIBUTES)) {
2386 return NT_STATUS_OK;
2389 return NT_STATUS_ACCESS_DENIED;
2392 /*******************************************************************
2393 * unlink a file with all relevant access checks
2394 *******************************************************************/
2396 static NTSTATUS do_unlink(connection_struct *conn,
2397 struct smb_request *req,
2398 struct smb_filename *smb_fname,
2403 uint32 dirtype_orig = dirtype;
2406 bool posix_paths = lp_posix_pathnames();
2408 DEBUG(10,("do_unlink: %s, dirtype = %d\n",
2409 smb_fname_str_dbg(smb_fname),
2412 if (!CAN_WRITE(conn)) {
2413 return NT_STATUS_MEDIA_WRITE_PROTECTED;
2417 ret = SMB_VFS_LSTAT(conn, smb_fname);
2419 ret = SMB_VFS_STAT(conn, smb_fname);
2422 return map_nt_error_from_unix(errno);
2425 fattr = dos_mode(conn, smb_fname);
2427 if (dirtype & FILE_ATTRIBUTE_NORMAL) {
2428 dirtype = aDIR|aARCH|aRONLY;
2431 dirtype &= (aDIR|aARCH|aRONLY|aHIDDEN|aSYSTEM);
2433 return NT_STATUS_NO_SUCH_FILE;
2436 if (!dir_check_ftype(conn, fattr, dirtype)) {
2438 return NT_STATUS_FILE_IS_A_DIRECTORY;
2440 return NT_STATUS_NO_SUCH_FILE;
2443 if (dirtype_orig & 0x8000) {
2444 /* These will never be set for POSIX. */
2445 return NT_STATUS_NO_SUCH_FILE;
2449 if ((fattr & dirtype) & FILE_ATTRIBUTE_DIRECTORY) {
2450 return NT_STATUS_FILE_IS_A_DIRECTORY;
2453 if ((fattr & ~dirtype) & (FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM)) {
2454 return NT_STATUS_NO_SUCH_FILE;
2457 if (dirtype & 0xFF00) {
2458 /* These will never be set for POSIX. */
2459 return NT_STATUS_NO_SUCH_FILE;
2464 return NT_STATUS_NO_SUCH_FILE;
2467 /* Can't delete a directory. */
2469 return NT_STATUS_FILE_IS_A_DIRECTORY;
2474 else if (dirtype & aDIR) /* Asked for a directory and it isn't. */
2475 return NT_STATUS_OBJECT_NAME_INVALID;
2476 #endif /* JRATEST */
2478 /* On open checks the open itself will check the share mode, so
2479 don't do it here as we'll get it wrong. */
2481 status = SMB_VFS_CREATE_FILE
2484 0, /* root_dir_fid */
2485 smb_fname, /* fname */
2486 DELETE_ACCESS, /* access_mask */
2487 FILE_SHARE_NONE, /* share_access */
2488 FILE_OPEN, /* create_disposition*/
2489 FILE_NON_DIRECTORY_FILE, /* create_options */
2490 /* file_attributes */
2491 posix_paths ? FILE_FLAG_POSIX_SEMANTICS|0777 :
2492 FILE_ATTRIBUTE_NORMAL,
2493 0, /* oplock_request */
2494 0, /* allocation_size */
2500 if (!NT_STATUS_IS_OK(status)) {
2501 DEBUG(10, ("SMB_VFS_CREATEFILE failed: %s\n",
2502 nt_errstr(status)));
2506 status = can_set_delete_on_close(fsp, fattr);
2507 if (!NT_STATUS_IS_OK(status)) {
2508 DEBUG(10, ("do_unlink can_set_delete_on_close for file %s - "
2510 smb_fname_str_dbg(smb_fname),
2511 nt_errstr(status)));
2512 close_file(req, fsp, NORMAL_CLOSE);
2516 /* The set is across all open files on this dev/inode pair. */
2517 if (!set_delete_on_close(fsp, True, &conn->server_info->utok)) {
2518 close_file(req, fsp, NORMAL_CLOSE);
2519 return NT_STATUS_ACCESS_DENIED;
2522 return close_file(req, fsp, NORMAL_CLOSE);
2525 /****************************************************************************
2526 The guts of the unlink command, split out so it may be called by the NT SMB
2528 ****************************************************************************/
2530 NTSTATUS unlink_internals(connection_struct *conn, struct smb_request *req,
2531 uint32 dirtype, struct smb_filename *smb_fname,
2534 char *fname_dir = NULL;
2535 char *fname_mask = NULL;
2537 NTSTATUS status = NT_STATUS_OK;
2538 TALLOC_CTX *ctx = talloc_tos();
2540 /* Split up the directory from the filename/mask. */
2541 status = split_fname_dir_mask(ctx, smb_fname->base_name,
2542 &fname_dir, &fname_mask);
2543 if (!NT_STATUS_IS_OK(status)) {
2548 * We should only check the mangled cache
2549 * here if unix_convert failed. This means
2550 * that the path in 'mask' doesn't exist
2551 * on the file system and so we need to look
2552 * for a possible mangle. This patch from
2553 * Tine Smukavec <valentin.smukavec@hermes.si>.
2556 if (!VALID_STAT(smb_fname->st) &&
2557 mangle_is_mangled(fname_mask, conn->params)) {
2558 char *new_mask = NULL;
2559 mangle_lookup_name_from_8_3(ctx, fname_mask,
2560 &new_mask, conn->params);
2562 TALLOC_FREE(fname_mask);
2563 fname_mask = new_mask;
2570 * Only one file needs to be unlinked. Append the mask back
2571 * onto the directory.
2573 TALLOC_FREE(smb_fname->base_name);
2574 smb_fname->base_name = talloc_asprintf(smb_fname,
2578 if (!smb_fname->base_name) {
2579 status = NT_STATUS_NO_MEMORY;
2583 dirtype = FILE_ATTRIBUTE_NORMAL;
2586 status = check_name(conn, smb_fname->base_name);
2587 if (!NT_STATUS_IS_OK(status)) {
2591 status = do_unlink(conn, req, smb_fname, dirtype);
2592 if (!NT_STATUS_IS_OK(status)) {
2598 struct smb_Dir *dir_hnd = NULL;
2600 const char *dname = NULL;
2601 char *talloced = NULL;
2603 if ((dirtype & SAMBA_ATTRIBUTES_MASK) == aDIR) {
2604 status = NT_STATUS_OBJECT_NAME_INVALID;
2608 if (strequal(fname_mask,"????????.???")) {
2609 TALLOC_FREE(fname_mask);
2610 fname_mask = talloc_strdup(ctx, "*");
2612 status = NT_STATUS_NO_MEMORY;
2617 status = check_name(conn, fname_dir);
2618 if (!NT_STATUS_IS_OK(status)) {
2622 dir_hnd = OpenDir(talloc_tos(), conn, fname_dir, fname_mask,
2624 if (dir_hnd == NULL) {
2625 status = map_nt_error_from_unix(errno);
2629 /* XXXX the CIFS spec says that if bit0 of the flags2 field is set then
2630 the pattern matches against the long name, otherwise the short name
2631 We don't implement this yet XXXX
2634 status = NT_STATUS_NO_SUCH_FILE;
2636 while ((dname = ReadDirName(dir_hnd, &offset,
2637 &smb_fname->st, &talloced))) {
2638 TALLOC_CTX *frame = talloc_stackframe();
2640 if (!is_visible_file(conn, fname_dir, dname,
2641 &smb_fname->st, true)) {
2643 TALLOC_FREE(talloced);
2647 /* Quick check for "." and ".." */
2648 if (ISDOT(dname) || ISDOTDOT(dname)) {
2650 TALLOC_FREE(talloced);
2654 if(!mask_match(dname, fname_mask,
2655 conn->case_sensitive)) {
2657 TALLOC_FREE(talloced);
2661 TALLOC_FREE(smb_fname->base_name);
2662 smb_fname->base_name =
2663 talloc_asprintf(smb_fname, "%s/%s",
2666 if (!smb_fname->base_name) {
2667 TALLOC_FREE(dir_hnd);
2668 status = NT_STATUS_NO_MEMORY;
2670 TALLOC_FREE(talloced);
2674 status = check_name(conn, smb_fname->base_name);
2675 if (!NT_STATUS_IS_OK(status)) {
2676 TALLOC_FREE(dir_hnd);
2678 TALLOC_FREE(talloced);
2682 status = do_unlink(conn, req, smb_fname, dirtype);
2683 if (!NT_STATUS_IS_OK(status)) {
2685 TALLOC_FREE(talloced);
2690 DEBUG(3,("unlink_internals: successful unlink [%s]\n",
2691 smb_fname->base_name));
2694 TALLOC_FREE(talloced);
2696 TALLOC_FREE(dir_hnd);
2699 if (count == 0 && NT_STATUS_IS_OK(status) && errno != 0) {
2700 status = map_nt_error_from_unix(errno);
2704 TALLOC_FREE(fname_dir);
2705 TALLOC_FREE(fname_mask);
2709 /****************************************************************************
2711 ****************************************************************************/
2713 void reply_unlink(struct smb_request *req)
2715 connection_struct *conn = req->conn;
2717 struct smb_filename *smb_fname = NULL;
2720 bool path_contains_wcard = False;
2721 TALLOC_CTX *ctx = talloc_tos();
2723 START_PROFILE(SMBunlink);
2726 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2730 dirtype = SVAL(req->vwv+0, 0);
2732 srvstr_get_path_req_wcard(ctx, req, &name, (const char *)req->buf + 1,
2733 STR_TERMINATE, &status,
2734 &path_contains_wcard);
2735 if (!NT_STATUS_IS_OK(status)) {
2736 reply_nterror(req, status);
2740 status = filename_convert(ctx, conn,
2741 req->flags2 & FLAGS2_DFS_PATHNAMES,
2743 UCF_COND_ALLOW_WCARD_LCOMP,
2744 &path_contains_wcard,
2746 if (!NT_STATUS_IS_OK(status)) {
2747 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2748 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2749 ERRSRV, ERRbadpath);
2752 reply_nterror(req, status);
2756 DEBUG(3,("reply_unlink : %s\n", smb_fname_str_dbg(smb_fname)));
2758 status = unlink_internals(conn, req, dirtype, smb_fname,
2759 path_contains_wcard);
2760 if (!NT_STATUS_IS_OK(status)) {
2761 if (open_was_deferred(req->mid)) {
2762 /* We have re-scheduled this call. */
2765 reply_nterror(req, status);
2769 reply_outbuf(req, 0, 0);
2771 TALLOC_FREE(smb_fname);
2772 END_PROFILE(SMBunlink);
2776 /****************************************************************************
2778 ****************************************************************************/
2780 static void fail_readraw(void)
2782 const char *errstr = talloc_asprintf(talloc_tos(),
2783 "FAIL ! reply_readbraw: socket write fail (%s)",
2788 exit_server_cleanly(errstr);
2791 /****************************************************************************
2792 Fake (read/write) sendfile. Returns -1 on read or write fail.
2793 ****************************************************************************/
2795 static ssize_t fake_sendfile(files_struct *fsp, SMB_OFF_T startpos,
2799 size_t tosend = nread;
2806 bufsize = MIN(nread, 65536);
2808 if (!(buf = SMB_MALLOC_ARRAY(char, bufsize))) {
2812 while (tosend > 0) {
2816 if (tosend > bufsize) {
2821 ret = read_file(fsp,buf,startpos,cur_read);
2827 /* If we had a short read, fill with zeros. */
2828 if (ret < cur_read) {
2829 memset(buf + ret, '\0', cur_read - ret);
2832 if (write_data(smbd_server_fd(),buf,cur_read) != cur_read) {
2837 startpos += cur_read;
2841 return (ssize_t)nread;
2844 #if defined(WITH_SENDFILE)
2845 /****************************************************************************
2846 Deal with the case of sendfile reading less bytes from the file than
2847 requested. Fill with zeros (all we can do).
2848 ****************************************************************************/
2850 static void sendfile_short_send(files_struct *fsp,
2855 #define SHORT_SEND_BUFSIZE 1024
2856 if (nread < headersize) {
2857 DEBUG(0,("sendfile_short_send: sendfile failed to send "
2858 "header for file %s (%s). Terminating\n",
2859 fsp_str_dbg(fsp), strerror(errno)));
2860 exit_server_cleanly("sendfile_short_send failed");
2863 nread -= headersize;
2865 if (nread < smb_maxcnt) {
2866 char *buf = SMB_CALLOC_ARRAY(char, SHORT_SEND_BUFSIZE);
2868 exit_server_cleanly("sendfile_short_send: "
2872 DEBUG(0,("sendfile_short_send: filling truncated file %s "
2873 "with zeros !\n", fsp_str_dbg(fsp)));
2875 while (nread < smb_maxcnt) {
2877 * We asked for the real file size and told sendfile
2878 * to not go beyond the end of the file. But it can
2879 * happen that in between our fstat call and the
2880 * sendfile call the file was truncated. This is very
2881 * bad because we have already announced the larger
2882 * number of bytes to the client.
2884 * The best we can do now is to send 0-bytes, just as
2885 * a read from a hole in a sparse file would do.
2887 * This should happen rarely enough that I don't care
2888 * about efficiency here :-)
2892 to_write = MIN(SHORT_SEND_BUFSIZE, smb_maxcnt - nread);
2893 if (write_data(smbd_server_fd(), buf, to_write) != to_write) {
2894 exit_server_cleanly("sendfile_short_send: "
2895 "write_data failed");
2902 #endif /* defined WITH_SENDFILE */
2904 /****************************************************************************
2905 Return a readbraw error (4 bytes of zero).
2906 ****************************************************************************/
2908 static void reply_readbraw_error(void)
2912 if (write_data(smbd_server_fd(),header,4) != 4) {
2917 /****************************************************************************
2918 Use sendfile in readbraw.
2919 ****************************************************************************/
2921 static void send_file_readbraw(connection_struct *conn,
2922 struct smb_request *req,
2928 char *outbuf = NULL;
2931 #if defined(WITH_SENDFILE)
2933 * We can only use sendfile on a non-chained packet
2934 * but we can use on a non-oplocked file. tridge proved this
2935 * on a train in Germany :-). JRA.
2936 * reply_readbraw has already checked the length.
2939 if ( !req_is_in_chain(req) && (nread > 0) && (fsp->base_fsp == NULL) &&
2940 (fsp->wcp == NULL) &&
2941 lp_use_sendfile(SNUM(conn), smbd_server_conn->smb1.signing_state) ) {
2942 ssize_t sendfile_read = -1;
2944 DATA_BLOB header_blob;
2946 _smb_setlen(header,nread);
2947 header_blob = data_blob_const(header, 4);
2949 if ((sendfile_read = SMB_VFS_SENDFILE(smbd_server_fd(), fsp,
2950 &header_blob, startpos, nread)) == -1) {
2951 /* Returning ENOSYS means no data at all was sent.
2952 * Do this as a normal read. */
2953 if (errno == ENOSYS) {
2954 goto normal_readbraw;
2958 * Special hack for broken Linux with no working sendfile. If we
2959 * return EINTR we sent the header but not the rest of the data.
2960 * Fake this up by doing read/write calls.
2962 if (errno == EINTR) {
2963 /* Ensure we don't do this again. */
2964 set_use_sendfile(SNUM(conn), False);
2965 DEBUG(0,("send_file_readbraw: sendfile not available. Faking..\n"));
2967 if (fake_sendfile(fsp, startpos, nread) == -1) {
2968 DEBUG(0,("send_file_readbraw: "
2969 "fake_sendfile failed for "
2973 exit_server_cleanly("send_file_readbraw fake_sendfile failed");
2978 DEBUG(0,("send_file_readbraw: sendfile failed for "
2979 "file %s (%s). Terminating\n",
2980 fsp_str_dbg(fsp), strerror(errno)));
2981 exit_server_cleanly("send_file_readbraw sendfile failed");
2982 } else if (sendfile_read == 0) {
2984 * Some sendfile implementations return 0 to indicate
2985 * that there was a short read, but nothing was
2986 * actually written to the socket. In this case,
2987 * fallback to the normal read path so the header gets
2988 * the correct byte count.
2990 DEBUG(3, ("send_file_readbraw: sendfile sent zero "
2991 "bytes falling back to the normal read: "
2992 "%s\n", fsp_str_dbg(fsp)));
2993 goto normal_readbraw;
2996 /* Deal with possible short send. */
2997 if (sendfile_read != 4+nread) {
2998 sendfile_short_send(fsp, sendfile_read, 4, nread);
3006 outbuf = TALLOC_ARRAY(NULL, char, nread+4);
3008 DEBUG(0,("send_file_readbraw: TALLOC_ARRAY failed for size %u.\n",
3009 (unsigned)(nread+4)));
3010 reply_readbraw_error();
3015 ret = read_file(fsp,outbuf+4,startpos,nread);
3016 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
3025 _smb_setlen(outbuf,ret);
3026 if (write_data(smbd_server_fd(),outbuf,4+ret) != 4+ret)
3029 TALLOC_FREE(outbuf);
3032 /****************************************************************************
3033 Reply to a readbraw (core+ protocol).
3034 ****************************************************************************/
3036 void reply_readbraw(struct smb_request *req)
3038 connection_struct *conn = req->conn;
3039 ssize_t maxcount,mincount;
3043 struct lock_struct lock;
3046 START_PROFILE(SMBreadbraw);
3048 if (srv_is_signing_active(smbd_server_conn) ||
3049 is_encrypted_packet(req->inbuf)) {
3050 exit_server_cleanly("reply_readbraw: SMB signing/sealing is active - "
3051 "raw reads/writes are disallowed.");
3055 reply_readbraw_error();
3056 END_PROFILE(SMBreadbraw);
3061 * Special check if an oplock break has been issued
3062 * and the readraw request croses on the wire, we must
3063 * return a zero length response here.
3066 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3069 * We have to do a check_fsp by hand here, as
3070 * we must always return 4 zero bytes on error,
3074 if (!fsp || !conn || conn != fsp->conn ||
3075 req->vuid != fsp->vuid ||
3076 fsp->is_directory || fsp->fh->fd == -1) {
3078 * fsp could be NULL here so use the value from the packet. JRA.
3080 DEBUG(3,("reply_readbraw: fnum %d not valid "
3082 (int)SVAL(req->vwv+0, 0)));
3083 reply_readbraw_error();
3084 END_PROFILE(SMBreadbraw);
3088 /* Do a "by hand" version of CHECK_READ. */
3089 if (!(fsp->can_read ||
3090 ((req->flags2 & FLAGS2_READ_PERMIT_EXECUTE) &&
3091 (fsp->access_mask & FILE_EXECUTE)))) {
3092 DEBUG(3,("reply_readbraw: fnum %d not readable.\n",
3093 (int)SVAL(req->vwv+0, 0)));
3094 reply_readbraw_error();
3095 END_PROFILE(SMBreadbraw);
3099 flush_write_cache(fsp, READRAW_FLUSH);
3101 startpos = IVAL_TO_SMB_OFF_T(req->vwv+1, 0);
3102 if(req->wct == 10) {
3104 * This is a large offset (64 bit) read.
3106 #ifdef LARGE_SMB_OFF_T
3108 startpos |= (((SMB_OFF_T)IVAL(req->vwv+8, 0)) << 32);
3110 #else /* !LARGE_SMB_OFF_T */
3113 * Ensure we haven't been sent a >32 bit offset.
3116 if(IVAL(req->vwv+8, 0) != 0) {
3117 DEBUG(0,("reply_readbraw: large offset "
3118 "(%x << 32) used and we don't support "
3119 "64 bit offsets.\n",
3120 (unsigned int)IVAL(req->vwv+8, 0) ));
3121 reply_readbraw_error();
3122 END_PROFILE(SMBreadbraw);
3126 #endif /* LARGE_SMB_OFF_T */
3129 DEBUG(0,("reply_readbraw: negative 64 bit "
3130 "readraw offset (%.0f) !\n",
3131 (double)startpos ));
3132 reply_readbraw_error();
3133 END_PROFILE(SMBreadbraw);
3138 maxcount = (SVAL(req->vwv+3, 0) & 0xFFFF);
3139 mincount = (SVAL(req->vwv+4, 0) & 0xFFFF);
3141 /* ensure we don't overrun the packet size */
3142 maxcount = MIN(65535,maxcount);
3144 init_strict_lock_struct(fsp, (uint32)req->smbpid,
3145 (uint64_t)startpos, (uint64_t)maxcount, READ_LOCK,
3148 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
3149 reply_readbraw_error();
3150 END_PROFILE(SMBreadbraw);
3154 if (fsp_stat(fsp) == 0) {
3155 size = fsp->fsp_name->st.st_ex_size;
3158 if (startpos >= size) {
3161 nread = MIN(maxcount,(size - startpos));
3164 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
3165 if (nread < mincount)
3169 DEBUG( 3, ( "reply_readbraw: fnum=%d start=%.0f max=%lu "
3170 "min=%lu nread=%lu\n",
3171 fsp->fnum, (double)startpos,
3172 (unsigned long)maxcount,
3173 (unsigned long)mincount,
3174 (unsigned long)nread ) );
3176 send_file_readbraw(conn, req, fsp, startpos, nread, mincount);
3178 DEBUG(5,("reply_readbraw finished\n"));
3180 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3182 END_PROFILE(SMBreadbraw);
3187 #define DBGC_CLASS DBGC_LOCKING
3189 /****************************************************************************
3190 Reply to a lockread (core+ protocol).
3191 ****************************************************************************/
3193 void reply_lockread(struct smb_request *req)
3195 connection_struct *conn = req->conn;
3202 struct byte_range_lock *br_lck = NULL;
3204 struct smbd_server_connection *sconn = smbd_server_conn;
3206 START_PROFILE(SMBlockread);
3209 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3210 END_PROFILE(SMBlockread);
3214 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3216 if (!check_fsp(conn, req, fsp)) {
3217 END_PROFILE(SMBlockread);
3221 if (!CHECK_READ(fsp,req)) {
3222 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3223 END_PROFILE(SMBlockread);
3227 numtoread = SVAL(req->vwv+1, 0);
3228 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3230 numtoread = MIN(BUFFER_SIZE - (smb_size + 3*2 + 3), numtoread);
3232 reply_outbuf(req, 5, numtoread + 3);
3234 data = smb_buf(req->outbuf) + 3;
3237 * NB. Discovered by Menny Hamburger at Mainsoft. This is a core+
3238 * protocol request that predates the read/write lock concept.
3239 * Thus instead of asking for a read lock here we need to ask
3240 * for a write lock. JRA.
3241 * Note that the requested lock size is unaffected by max_recv.
3244 br_lck = do_lock(smbd_messaging_context(),
3247 (uint64_t)numtoread,
3251 False, /* Non-blocking lock. */
3255 TALLOC_FREE(br_lck);
3257 if (NT_STATUS_V(status)) {
3258 reply_nterror(req, status);
3259 END_PROFILE(SMBlockread);
3264 * However the requested READ size IS affected by max_recv. Insanity.... JRA.
3267 if (numtoread > sconn->smb1.negprot.max_recv) {
3268 DEBUG(0,("reply_lockread: requested read size (%u) is greater than maximum allowed (%u). \
3269 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
3270 (unsigned int)numtoread,
3271 (unsigned int)sconn->smb1.negprot.max_recv));
3272 numtoread = MIN(numtoread, sconn->smb1.negprot.max_recv);
3274 nread = read_file(fsp,data,startpos,numtoread);
3277 reply_nterror(req, map_nt_error_from_unix(errno));
3278 END_PROFILE(SMBlockread);
3282 srv_set_message((char *)req->outbuf, 5, nread+3, False);
3284 SSVAL(req->outbuf,smb_vwv0,nread);
3285 SSVAL(req->outbuf,smb_vwv5,nread+3);
3286 p = smb_buf(req->outbuf);
3287 SCVAL(p,0,0); /* pad byte. */
3290 DEBUG(3,("lockread fnum=%d num=%d nread=%d\n",
3291 fsp->fnum, (int)numtoread, (int)nread));
3293 END_PROFILE(SMBlockread);
3298 #define DBGC_CLASS DBGC_ALL
3300 /****************************************************************************
3302 ****************************************************************************/
3304 void reply_read(struct smb_request *req)
3306 connection_struct *conn = req->conn;
3313 struct lock_struct lock;
3314 struct smbd_server_connection *sconn = smbd_server_conn;
3316 START_PROFILE(SMBread);
3319 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3320 END_PROFILE(SMBread);
3324 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3326 if (!check_fsp(conn, req, fsp)) {
3327 END_PROFILE(SMBread);
3331 if (!CHECK_READ(fsp,req)) {
3332 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3333 END_PROFILE(SMBread);
3337 numtoread = SVAL(req->vwv+1, 0);
3338 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3340 numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
3343 * The requested read size cannot be greater than max_recv. JRA.
3345 if (numtoread > sconn->smb1.negprot.max_recv) {
3346 DEBUG(0,("reply_read: requested read size (%u) is greater than maximum allowed (%u). \
3347 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
3348 (unsigned int)numtoread,
3349 (unsigned int)sconn->smb1.negprot.max_recv));
3350 numtoread = MIN(numtoread, sconn->smb1.negprot.max_recv);
3353 reply_outbuf(req, 5, numtoread+3);
3355 data = smb_buf(req->outbuf) + 3;
3357 init_strict_lock_struct(fsp, (uint32)req->smbpid,
3358 (uint64_t)startpos, (uint64_t)numtoread, READ_LOCK,
3361 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
3362 reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
3363 END_PROFILE(SMBread);
3368 nread = read_file(fsp,data,startpos,numtoread);
3371 reply_nterror(req, map_nt_error_from_unix(errno));
3375 srv_set_message((char *)req->outbuf, 5, nread+3, False);
3377 SSVAL(req->outbuf,smb_vwv0,nread);
3378 SSVAL(req->outbuf,smb_vwv5,nread+3);
3379 SCVAL(smb_buf(req->outbuf),0,1);
3380 SSVAL(smb_buf(req->outbuf),1,nread);
3382 DEBUG( 3, ( "read fnum=%d num=%d nread=%d\n",
3383 fsp->fnum, (int)numtoread, (int)nread ) );
3386 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3388 END_PROFILE(SMBread);
3392 /****************************************************************************
3394 ****************************************************************************/
3396 static int setup_readX_header(struct smb_request *req, char *outbuf,
3402 outsize = srv_set_message(outbuf,12,smb_maxcnt,False);
3403 data = smb_buf(outbuf);
3405 memset(outbuf+smb_vwv0,'\0',24); /* valgrind init. */
3407 SCVAL(outbuf,smb_vwv0,0xFF);
3408 SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
3409 SSVAL(outbuf,smb_vwv5,smb_maxcnt);
3410 SSVAL(outbuf,smb_vwv6,
3412 + 1 /* the wct field */
3413 + 12 * sizeof(uint16_t) /* vwv */
3414 + 2); /* the buflen field */
3415 SSVAL(outbuf,smb_vwv7,(smb_maxcnt >> 16));
3416 SSVAL(outbuf,smb_vwv11,smb_maxcnt);
3417 /* Reset the outgoing length, set_message truncates at 0x1FFFF. */
3418 _smb_setlen_large(outbuf,(smb_size + 12*2 + smb_maxcnt - 4));
3422 /****************************************************************************
3423 Reply to a read and X - possibly using sendfile.
3424 ****************************************************************************/
3426 static void send_file_readX(connection_struct *conn, struct smb_request *req,
3427 files_struct *fsp, SMB_OFF_T startpos,
3431 struct lock_struct lock;
3432 int saved_errno = 0;
3434 if(fsp_stat(fsp) == -1) {
3435 reply_nterror(req, map_nt_error_from_unix(errno));
3439 init_strict_lock_struct(fsp, (uint32)req->smbpid,
3440 (uint64_t)startpos, (uint64_t)smb_maxcnt, READ_LOCK,
3443 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
3444 reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
3448 if (!S_ISREG(fsp->fsp_name->st.st_ex_mode) ||
3449 (startpos > fsp->fsp_name->st.st_ex_size)
3450 || (smb_maxcnt > (fsp->fsp_name->st.st_ex_size - startpos))) {
3452 * We already know that we would do a short read, so don't
3453 * try the sendfile() path.
3455 goto nosendfile_read;
3458 #if defined(WITH_SENDFILE)
3460 * We can only use sendfile on a non-chained packet
3461 * but we can use on a non-oplocked file. tridge proved this
3462 * on a train in Germany :-). JRA.
3465 if (!req_is_in_chain(req) &&
3466 !is_encrypted_packet(req->inbuf) && (fsp->base_fsp == NULL) &&
3467 (fsp->wcp == NULL) &&
3468 lp_use_sendfile(SNUM(conn), smbd_server_conn->smb1.signing_state) ) {
3469 uint8 headerbuf[smb_size + 12 * 2];
3473 * Set up the packet header before send. We
3474 * assume here the sendfile will work (get the
3475 * correct amount of data).
3478 header = data_blob_const(headerbuf, sizeof(headerbuf));
3480 construct_reply_common_req(req, (char *)headerbuf);
3481 setup_readX_header(req, (char *)headerbuf, smb_maxcnt);
3483 if ((nread = SMB_VFS_SENDFILE(smbd_server_fd(), fsp, &header, startpos, smb_maxcnt)) == -1) {
3484 /* Returning ENOSYS means no data at all was sent.
3485 Do this as a normal read. */
3486 if (errno == ENOSYS) {
3491 * Special hack for broken Linux with no working sendfile. If we
3492 * return EINTR we sent the header but not the rest of the data.
3493 * Fake this up by doing read/write calls.
3496 if (errno == EINTR) {
3497 /* Ensure we don't do this again. */
3498 set_use_sendfile(SNUM(conn), False);
3499 DEBUG(0,("send_file_readX: sendfile not available. Faking..\n"));
3500 nread = fake_sendfile(fsp, startpos,
3503 DEBUG(0,("send_file_readX: "
3504 "fake_sendfile failed for "
3508 exit_server_cleanly("send_file_readX: fake_sendfile failed");
3510 DEBUG( 3, ( "send_file_readX: fake_sendfile fnum=%d max=%d nread=%d\n",
3511 fsp->fnum, (int)smb_maxcnt, (int)nread ) );
3512 /* No outbuf here means successful sendfile. */
3516 DEBUG(0,("send_file_readX: sendfile failed for file "
3517 "%s (%s). Terminating\n", fsp_str_dbg(fsp),
3519 exit_server_cleanly("send_file_readX sendfile failed");
3520 } else if (nread == 0) {
3522 * Some sendfile implementations return 0 to indicate
3523 * that there was a short read, but nothing was
3524 * actually written to the socket. In this case,
3525 * fallback to the normal read path so the header gets
3526 * the correct byte count.
3528 DEBUG(3, ("send_file_readX: sendfile sent zero bytes "
3529 "falling back to the normal read: %s\n",
3534 DEBUG( 3, ( "send_file_readX: sendfile fnum=%d max=%d nread=%d\n",
3535 fsp->fnum, (int)smb_maxcnt, (int)nread ) );
3537 /* Deal with possible short send. */
3538 if (nread != smb_maxcnt + sizeof(headerbuf)) {
3539 sendfile_short_send(fsp, nread, sizeof(headerbuf), smb_maxcnt);
3541 /* No outbuf here means successful sendfile. */
3542 SMB_PERFCOUNT_SET_MSGLEN_OUT(&req->pcd, nread);
3543 SMB_PERFCOUNT_END(&req->pcd);
3551 if ((smb_maxcnt & 0xFF0000) > 0x10000) {
3552 uint8 headerbuf[smb_size + 2*12];
3554 construct_reply_common_req(req, (char *)headerbuf);
3555 setup_readX_header(req, (char *)headerbuf, smb_maxcnt);
3557 /* Send out the header. */
3558 if (write_data(smbd_server_fd(), (char *)headerbuf,
3559 sizeof(headerbuf)) != sizeof(headerbuf)) {
3560 DEBUG(0,("send_file_readX: write_data failed for file "
3561 "%s (%s). Terminating\n", fsp_str_dbg(fsp),
3563 exit_server_cleanly("send_file_readX sendfile failed");
3565 nread = fake_sendfile(fsp, startpos, smb_maxcnt);
3567 DEBUG(0,("send_file_readX: fake_sendfile failed for "
3568 "file %s (%s).\n", fsp_str_dbg(fsp),
3570 exit_server_cleanly("send_file_readX: fake_sendfile failed");
3577 reply_outbuf(req, 12, smb_maxcnt);
3579 nread = read_file(fsp, smb_buf(req->outbuf), startpos, smb_maxcnt);
3580 saved_errno = errno;
3582 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3585 reply_nterror(req, map_nt_error_from_unix(saved_errno));
3589 setup_readX_header(req, (char *)req->outbuf, nread);
3591 DEBUG( 3, ( "send_file_readX fnum=%d max=%d nread=%d\n",
3592 fsp->fnum, (int)smb_maxcnt, (int)nread ) );
3598 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3599 TALLOC_FREE(req->outbuf);
3603 /****************************************************************************
3604 Reply to a read and X.
3605 ****************************************************************************/
3607 void reply_read_and_X(struct smb_request *req)
3609 connection_struct *conn = req->conn;
3613 bool big_readX = False;
3615 size_t smb_mincnt = SVAL(req->vwv+6, 0);
3618 START_PROFILE(SMBreadX);
3620 if ((req->wct != 10) && (req->wct != 12)) {
3621 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3625 fsp = file_fsp(req, SVAL(req->vwv+2, 0));
3626 startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
3627 smb_maxcnt = SVAL(req->vwv+5, 0);
3629 /* If it's an IPC, pass off the pipe handler. */
3631 reply_pipe_read_and_X(req);
3632 END_PROFILE(SMBreadX);
3636 if (!check_fsp(conn, req, fsp)) {
3637 END_PROFILE(SMBreadX);
3641 if (!CHECK_READ(fsp,req)) {
3642 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3643 END_PROFILE(SMBreadX);
3647 if (global_client_caps & CAP_LARGE_READX) {
3648 size_t upper_size = SVAL(req->vwv+7, 0);
3649 smb_maxcnt |= (upper_size<<16);
3650 if (upper_size > 1) {
3651 /* Can't do this on a chained packet. */
3652 if ((CVAL(req->vwv+0, 0) != 0xFF)) {
3653 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
3654 END_PROFILE(SMBreadX);
3657 /* We currently don't do this on signed or sealed data. */
3658 if (srv_is_signing_active(smbd_server_conn) ||
3659 is_encrypted_packet(req->inbuf)) {
3660 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
3661 END_PROFILE(SMBreadX);
3664 /* Is there room in the reply for this data ? */
3665 if (smb_maxcnt > (0xFFFFFF - (smb_size -4 + 12*2))) {
3667 NT_STATUS_INVALID_PARAMETER);
3668 END_PROFILE(SMBreadX);
3675 if (req->wct == 12) {
3676 #ifdef LARGE_SMB_OFF_T
3678 * This is a large offset (64 bit) read.
3680 startpos |= (((SMB_OFF_T)IVAL(req->vwv+10, 0)) << 32);
3682 #else /* !LARGE_SMB_OFF_T */
3685 * Ensure we haven't been sent a >32 bit offset.
3688 if(IVAL(req->vwv+10, 0) != 0) {
3689 DEBUG(0,("reply_read_and_X - large offset (%x << 32) "
3690 "used and we don't support 64 bit offsets.\n",
3691 (unsigned int)IVAL(req->vwv+10, 0) ));
3692 END_PROFILE(SMBreadX);
3693 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3697 #endif /* LARGE_SMB_OFF_T */
3702 schedule_aio_read_and_X(conn, req, fsp, startpos, smb_maxcnt)) {
3706 send_file_readX(conn, req, fsp, startpos, smb_maxcnt);
3709 END_PROFILE(SMBreadX);
3713 /****************************************************************************
3714 Error replies to writebraw must have smb_wct == 1. Fix this up.
3715 ****************************************************************************/
3717 void error_to_writebrawerr(struct smb_request *req)
3719 uint8 *old_outbuf = req->outbuf;
3721 reply_outbuf(req, 1, 0);
3723 memcpy(req->outbuf, old_outbuf, smb_size);
3724 TALLOC_FREE(old_outbuf);
3727 /****************************************************************************
3728 Reply to a writebraw (core+ or LANMAN1.0 protocol).
3729 ****************************************************************************/
3731 void reply_writebraw(struct smb_request *req)
3733 connection_struct *conn = req->conn;
3736 ssize_t total_written=0;
3737 size_t numtowrite=0;
3743 struct lock_struct lock;
3746 START_PROFILE(SMBwritebraw);
3749 * If we ever reply with an error, it must have the SMB command
3750 * type of SMBwritec, not SMBwriteBraw, as this tells the client
3753 SCVAL(req->inbuf,smb_com,SMBwritec);
3755 if (srv_is_signing_active(smbd_server_conn)) {
3756 END_PROFILE(SMBwritebraw);
3757 exit_server_cleanly("reply_writebraw: SMB signing is active - "
3758 "raw reads/writes are disallowed.");
3761 if (req->wct < 12) {
3762 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3763 error_to_writebrawerr(req);
3764 END_PROFILE(SMBwritebraw);
3768 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3769 if (!check_fsp(conn, req, fsp)) {
3770 error_to_writebrawerr(req);
3771 END_PROFILE(SMBwritebraw);
3775 if (!CHECK_WRITE(fsp)) {
3776 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3777 error_to_writebrawerr(req);
3778 END_PROFILE(SMBwritebraw);
3782 tcount = IVAL(req->vwv+1, 0);
3783 startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
3784 write_through = BITSETW(req->vwv+7,0);
3786 /* We have to deal with slightly different formats depending
3787 on whether we are using the core+ or lanman1.0 protocol */
3789 if(get_Protocol() <= PROTOCOL_COREPLUS) {
3790 numtowrite = SVAL(smb_buf(req->inbuf),-2);
3791 data = smb_buf(req->inbuf);
3793 numtowrite = SVAL(req->vwv+10, 0);
3794 data = smb_base(req->inbuf) + SVAL(req->vwv+11, 0);
3797 /* Ensure we don't write bytes past the end of this packet. */
3798 if (data + numtowrite > smb_base(req->inbuf) + smb_len(req->inbuf)) {
3799 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3800 error_to_writebrawerr(req);
3801 END_PROFILE(SMBwritebraw);
3805 init_strict_lock_struct(fsp, (uint32)req->smbpid,
3806 (uint64_t)startpos, (uint64_t)tcount, WRITE_LOCK,
3809 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
3810 reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
3811 error_to_writebrawerr(req);
3812 END_PROFILE(SMBwritebraw);
3817 nwritten = write_file(req,fsp,data,startpos,numtowrite);
3820 DEBUG(3,("reply_writebraw: initial write fnum=%d start=%.0f num=%d "
3821 "wrote=%d sync=%d\n",
3822 fsp->fnum, (double)startpos, (int)numtowrite,
3823 (int)nwritten, (int)write_through));
3825 if (nwritten < (ssize_t)numtowrite) {
3826 reply_nterror(req, NT_STATUS_DISK_FULL);
3827 error_to_writebrawerr(req);
3831 total_written = nwritten;
3833 /* Allocate a buffer of 64k + length. */
3834 buf = TALLOC_ARRAY(NULL, char, 65540);
3836 reply_nterror(req, NT_STATUS_NO_MEMORY);
3837 error_to_writebrawerr(req);
3841 /* Return a SMBwritebraw message to the redirector to tell
3842 * it to send more bytes */
3844 memcpy(buf, req->inbuf, smb_size);
3845 srv_set_message(buf,get_Protocol()>PROTOCOL_COREPLUS?1:0,0,True);
3846 SCVAL(buf,smb_com,SMBwritebraw);
3847 SSVALS(buf,smb_vwv0,0xFFFF);
3849 if (!srv_send_smb(smbd_server_fd(),
3851 false, 0, /* no signing */
3852 IS_CONN_ENCRYPTED(conn),
3854 exit_server_cleanly("reply_writebraw: srv_send_smb "
3858 /* Now read the raw data into the buffer and write it */
3859 status = read_smb_length(smbd_server_fd(), buf, SMB_SECONDARY_WAIT,
3861 if (!NT_STATUS_IS_OK(status)) {
3862 exit_server_cleanly("secondary writebraw failed");
3865 /* Set up outbuf to return the correct size */
3866 reply_outbuf(req, 1, 0);
3868 if (numtowrite != 0) {
3870 if (numtowrite > 0xFFFF) {
3871 DEBUG(0,("reply_writebraw: Oversize secondary write "
3872 "raw requested (%u). Terminating\n",
3873 (unsigned int)numtowrite ));
3874 exit_server_cleanly("secondary writebraw failed");
3877 if (tcount > nwritten+numtowrite) {
3878 DEBUG(3,("reply_writebraw: Client overestimated the "
3880 (int)tcount,(int)nwritten,(int)numtowrite));
3883 status = read_data(smbd_server_fd(), buf+4, numtowrite);
3885 if (!NT_STATUS_IS_OK(status)) {
3886 DEBUG(0,("reply_writebraw: Oversize secondary write "
3887 "raw read failed (%s). Terminating\n",
3888 nt_errstr(status)));
3889 exit_server_cleanly("secondary writebraw failed");
3892 nwritten = write_file(req,fsp,buf+4,startpos+nwritten,numtowrite);
3893 if (nwritten == -1) {
3895 reply_nterror(req, map_nt_error_from_unix(errno));
3896 error_to_writebrawerr(req);
3900 if (nwritten < (ssize_t)numtowrite) {
3901 SCVAL(req->outbuf,smb_rcls,ERRHRD);
3902 SSVAL(req->outbuf,smb_err,ERRdiskfull);
3906 total_written += nwritten;
3911 SSVAL(req->outbuf,smb_vwv0,total_written);
3913 status = sync_file(conn, fsp, write_through);
3914 if (!NT_STATUS_IS_OK(status)) {
3915 DEBUG(5,("reply_writebraw: sync_file for %s returned %s\n",
3916 fsp_str_dbg(fsp), nt_errstr(status)));
3917 reply_nterror(req, status);
3918 error_to_writebrawerr(req);
3922 DEBUG(3,("reply_writebraw: secondart write fnum=%d start=%.0f num=%d "
3924 fsp->fnum, (double)startpos, (int)numtowrite,
3925 (int)total_written));
3927 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3929 /* We won't return a status if write through is not selected - this
3930 * follows what WfWg does */
3931 END_PROFILE(SMBwritebraw);
3933 if (!write_through && total_written==tcount) {
3935 #if RABBIT_PELLET_FIX
3937 * Fix for "rabbit pellet" mode, trigger an early TCP ack by
3938 * sending a SMBkeepalive. Thanks to DaveCB at Sun for this.
3941 if (!send_keepalive(smbd_server_fd())) {
3942 exit_server_cleanly("reply_writebraw: send of "
3943 "keepalive failed");
3946 TALLOC_FREE(req->outbuf);
3951 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3953 END_PROFILE(SMBwritebraw);
3958 #define DBGC_CLASS DBGC_LOCKING
3960 /****************************************************************************
3961 Reply to a writeunlock (core+).
3962 ****************************************************************************/
3964 void reply_writeunlock(struct smb_request *req)
3966 connection_struct *conn = req->conn;
3967 ssize_t nwritten = -1;
3971 NTSTATUS status = NT_STATUS_OK;
3973 struct lock_struct lock;
3974 int saved_errno = 0;
3976 START_PROFILE(SMBwriteunlock);
3979 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3980 END_PROFILE(SMBwriteunlock);
3984 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3986 if (!check_fsp(conn, req, fsp)) {
3987 END_PROFILE(SMBwriteunlock);
3991 if (!CHECK_WRITE(fsp)) {
3992 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3993 END_PROFILE(SMBwriteunlock);
3997 numtowrite = SVAL(req->vwv+1, 0);
3998 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3999 data = (const char *)req->buf + 3;
4002 init_strict_lock_struct(fsp, (uint32)req->smbpid,
4003 (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
4006 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
4007 reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
4008 END_PROFILE(SMBwriteunlock);
4013 /* The special X/Open SMB protocol handling of
4014 zero length writes is *NOT* done for
4016 if(numtowrite == 0) {
4019 nwritten = write_file(req,fsp,data,startpos,numtowrite);
4020 saved_errno = errno;
4023 status = sync_file(conn, fsp, False /* write through */);
4024 if (!NT_STATUS_IS_OK(status)) {
4025 DEBUG(5,("reply_writeunlock: sync_file for %s returned %s\n",
4026 fsp_str_dbg(fsp), nt_errstr(status)));
4027 reply_nterror(req, status);
4032 reply_nterror(req, map_nt_error_from_unix(saved_errno));
4036 if((nwritten < numtowrite) && (numtowrite != 0)) {
4037 reply_nterror(req, NT_STATUS_DISK_FULL);
4042 status = do_unlock(smbd_messaging_context(),
4045 (uint64_t)numtowrite,
4049 if (NT_STATUS_V(status)) {
4050 reply_nterror(req, status);
4055 reply_outbuf(req, 1, 0);
4057 SSVAL(req->outbuf,smb_vwv0,nwritten);
4059 DEBUG(3,("writeunlock fnum=%d num=%d wrote=%d\n",
4060 fsp->fnum, (int)numtowrite, (int)nwritten));
4064 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
4067 END_PROFILE(SMBwriteunlock);
4072 #define DBGC_CLASS DBGC_ALL
4074 /****************************************************************************
4076 ****************************************************************************/
4078 void reply_write(struct smb_request *req)
4080 connection_struct *conn = req->conn;
4082 ssize_t nwritten = -1;
4086 struct lock_struct lock;
4088 int saved_errno = 0;
4090 START_PROFILE(SMBwrite);
4093 END_PROFILE(SMBwrite);
4094 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4098 /* If it's an IPC, pass off the pipe handler. */
4100 reply_pipe_write(req);
4101 END_PROFILE(SMBwrite);
4105 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4107 if (!check_fsp(conn, req, fsp)) {
4108 END_PROFILE(SMBwrite);
4112 if (!CHECK_WRITE(fsp)) {
4113 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
4114 END_PROFILE(SMBwrite);
4118 numtowrite = SVAL(req->vwv+1, 0);
4119 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
4120 data = (const char *)req->buf + 3;
4122 init_strict_lock_struct(fsp, (uint32)req->smbpid,
4123 (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
4126 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
4127 reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
4128 END_PROFILE(SMBwrite);
4133 * X/Open SMB protocol says that if smb_vwv1 is
4134 * zero then the file size should be extended or
4135 * truncated to the size given in smb_vwv[2-3].
4138 if(numtowrite == 0) {
4140 * This is actually an allocate call, and set EOF. JRA.
4142 nwritten = vfs_allocate_file_space(fsp, (SMB_OFF_T)startpos);
4144 reply_nterror(req, NT_STATUS_DISK_FULL);
4147 nwritten = vfs_set_filelen(fsp, (SMB_OFF_T)startpos);
4149 reply_nterror(req, NT_STATUS_DISK_FULL);
4152 trigger_write_time_update_immediate(fsp);
4154 nwritten = write_file(req,fsp,data,startpos,numtowrite);
4157 status = sync_file(conn, fsp, False);
4158 if (!NT_STATUS_IS_OK(status)) {
4159 DEBUG(5,("reply_write: sync_file for %s returned %s\n",
4160 fsp_str_dbg(fsp), nt_errstr(status)));
4161 reply_nterror(req, status);
4166 reply_nterror(req, map_nt_error_from_unix(saved_errno));
4170 if((nwritten == 0) && (numtowrite != 0)) {
4171 reply_nterror(req, NT_STATUS_DISK_FULL);
4175 reply_outbuf(req, 1, 0);
4177 SSVAL(req->outbuf,smb_vwv0,nwritten);
4179 if (nwritten < (ssize_t)numtowrite) {
4180 SCVAL(req->outbuf,smb_rcls,ERRHRD);
4181 SSVAL(req->outbuf,smb_err,ERRdiskfull);
4184 DEBUG(3,("write fnum=%d num=%d wrote=%d\n", fsp->fnum, (int)numtowrite, (int)nwritten));
4187 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
4189 END_PROFILE(SMBwrite);
4193 /****************************************************************************
4194 Ensure a buffer is a valid writeX for recvfile purposes.
4195 ****************************************************************************/
4197 #define STANDARD_WRITE_AND_X_HEADER_SIZE (smb_size - 4 + /* basic header */ \
4198 (2*14) + /* word count (including bcc) */ \
4201 bool is_valid_writeX_buffer(const uint8_t *inbuf)
4204 connection_struct *conn = NULL;
4205 unsigned int doff = 0;
4206 size_t len = smb_len_large(inbuf);
4207 struct smbd_server_connection *sconn = smbd_server_conn;
4209 if (is_encrypted_packet(inbuf)) {
4210 /* Can't do this on encrypted
4215 if (CVAL(inbuf,smb_com) != SMBwriteX) {
4219 if (CVAL(inbuf,smb_vwv0) != 0xFF ||
4220 CVAL(inbuf,smb_wct) != 14) {
4221 DEBUG(10,("is_valid_writeX_buffer: chained or "
4222 "invalid word length.\n"));
4226 conn = conn_find(sconn, SVAL(inbuf, smb_tid));
4228 DEBUG(10,("is_valid_writeX_buffer: bad tid\n"));
4232 DEBUG(10,("is_valid_writeX_buffer: IPC$ tid\n"));
4235 if (IS_PRINT(conn)) {
4236 DEBUG(10,("is_valid_writeX_buffer: printing tid\n"));
4239 doff = SVAL(inbuf,smb_vwv11);
4241 numtowrite = SVAL(inbuf,smb_vwv10);
4243 if (len > doff && len - doff > 0xFFFF) {
4244 numtowrite |= (((size_t)SVAL(inbuf,smb_vwv9))<<16);
4247 if (numtowrite == 0) {
4248 DEBUG(10,("is_valid_writeX_buffer: zero write\n"));
4252 /* Ensure the sizes match up. */
4253 if (doff < STANDARD_WRITE_AND_X_HEADER_SIZE) {
4254 /* no pad byte...old smbclient :-( */
4255 DEBUG(10,("is_valid_writeX_buffer: small doff %u (min %u)\n",
4257 (unsigned int)STANDARD_WRITE_AND_X_HEADER_SIZE));
4261 if (len - doff != numtowrite) {
4262 DEBUG(10,("is_valid_writeX_buffer: doff mismatch "
4263 "len = %u, doff = %u, numtowrite = %u\n",
4266 (unsigned int)numtowrite ));
4270 DEBUG(10,("is_valid_writeX_buffer: true "
4271 "len = %u, doff = %u, numtowrite = %u\n",
4274 (unsigned int)numtowrite ));
4279 /****************************************************************************
4280 Reply to a write and X.
4281 ****************************************************************************/
4283 void reply_write_and_X(struct smb_request *req)
4285 connection_struct *conn = req->conn;
4287 struct lock_struct lock;
4292 unsigned int smb_doff;
4293 unsigned int smblen;
4297 START_PROFILE(SMBwriteX);
4299 if ((req->wct != 12) && (req->wct != 14)) {
4300 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4301 END_PROFILE(SMBwriteX);
4305 numtowrite = SVAL(req->vwv+10, 0);
4306 smb_doff = SVAL(req->vwv+11, 0);
4307 smblen = smb_len(req->inbuf);
4309 if (req->unread_bytes > 0xFFFF ||
4310 (smblen > smb_doff &&
4311 smblen - smb_doff > 0xFFFF)) {
4312 numtowrite |= (((size_t)SVAL(req->vwv+9, 0))<<16);
4315 if (req->unread_bytes) {
4316 /* Can't do a recvfile write on IPC$ */
4318 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4319 END_PROFILE(SMBwriteX);
4322 if (numtowrite != req->unread_bytes) {
4323 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4324 END_PROFILE(SMBwriteX);
4328 if (smb_doff > smblen || smb_doff + numtowrite < numtowrite ||
4329 smb_doff + numtowrite > smblen) {
4330 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4331 END_PROFILE(SMBwriteX);
4336 /* If it's an IPC, pass off the pipe handler. */
4338 if (req->unread_bytes) {
4339 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4340 END_PROFILE(SMBwriteX);
4343 reply_pipe_write_and_X(req);
4344 END_PROFILE(SMBwriteX);
4348 fsp = file_fsp(req, SVAL(req->vwv+2, 0));
4349 startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
4350 write_through = BITSETW(req->vwv+7,0);
4352 if (!check_fsp(conn, req, fsp)) {
4353 END_PROFILE(SMBwriteX);
4357 if (!CHECK_WRITE(fsp)) {
4358 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
4359 END_PROFILE(SMBwriteX);
4363 data = smb_base(req->inbuf) + smb_doff;
4365 if(req->wct == 14) {
4366 #ifdef LARGE_SMB_OFF_T
4368 * This is a large offset (64 bit) write.
4370 startpos |= (((SMB_OFF_T)IVAL(req->vwv+12, 0)) << 32);
4372 #else /* !LARGE_SMB_OFF_T */
4375 * Ensure we haven't been sent a >32 bit offset.
4378 if(IVAL(req->vwv+12, 0) != 0) {
4379 DEBUG(0,("reply_write_and_X - large offset (%x << 32) "
4380 "used and we don't support 64 bit offsets.\n",
4381 (unsigned int)IVAL(req->vwv+12, 0) ));
4382 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
4383 END_PROFILE(SMBwriteX);
4387 #endif /* LARGE_SMB_OFF_T */
4390 init_strict_lock_struct(fsp, (uint32)req->smbpid,
4391 (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
4394 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
4395 reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
4396 END_PROFILE(SMBwriteX);
4400 /* X/Open SMB protocol says that, unlike SMBwrite
4401 if the length is zero then NO truncation is
4402 done, just a write of zero. To truncate a file,
4405 if(numtowrite == 0) {
4409 if ((req->unread_bytes == 0) &&
4410 schedule_aio_write_and_X(conn, req, fsp, data, startpos,
4415 nwritten = write_file(req,fsp,data,startpos,numtowrite);
4419 reply_nterror(req, map_nt_error_from_unix(errno));
4423 if((nwritten == 0) && (numtowrite != 0)) {
4424 reply_nterror(req, NT_STATUS_DISK_FULL);
4428 reply_outbuf(req, 6, 0);
4429 SSVAL(req->outbuf,smb_vwv2,nwritten);
4430 SSVAL(req->outbuf,smb_vwv4,nwritten>>16);
4432 if (nwritten < (ssize_t)numtowrite) {
4433 SCVAL(req->outbuf,smb_rcls,ERRHRD);
4434 SSVAL(req->outbuf,smb_err,ERRdiskfull);
4437 DEBUG(3,("writeX fnum=%d num=%d wrote=%d\n",
4438 fsp->fnum, (int)numtowrite, (int)nwritten));
4440 status = sync_file(conn, fsp, write_through);
4441 if (!NT_STATUS_IS_OK(status)) {
4442 DEBUG(5,("reply_write_and_X: sync_file for %s returned %s\n",
4443 fsp_str_dbg(fsp), nt_errstr(status)));
4444 reply_nterror(req, status);
4448 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
4450 END_PROFILE(SMBwriteX);
4455 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
4457 END_PROFILE(SMBwriteX);
4461 /****************************************************************************
4463 ****************************************************************************/
4465 void reply_lseek(struct smb_request *req)
4467 connection_struct *conn = req->conn;
4473 START_PROFILE(SMBlseek);
4476 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4477 END_PROFILE(SMBlseek);
4481 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4483 if (!check_fsp(conn, req, fsp)) {
4487 flush_write_cache(fsp, SEEK_FLUSH);
4489 mode = SVAL(req->vwv+1, 0) & 3;
4490 /* NB. This doesn't use IVAL_TO_SMB_OFF_T as startpos can be signed in this case. */
4491 startpos = (SMB_OFF_T)IVALS(req->vwv+2, 0);
4500 res = fsp->fh->pos + startpos;
4511 if (umode == SEEK_END) {
4512 if((res = SMB_VFS_LSEEK(fsp,startpos,umode)) == -1) {
4513 if(errno == EINVAL) {
4514 SMB_OFF_T current_pos = startpos;
4516 if(fsp_stat(fsp) == -1) {
4518 map_nt_error_from_unix(errno));
4519 END_PROFILE(SMBlseek);
4523 current_pos += fsp->fsp_name->st.st_ex_size;
4525 res = SMB_VFS_LSEEK(fsp,0,SEEK_SET);
4530 reply_nterror(req, map_nt_error_from_unix(errno));
4531 END_PROFILE(SMBlseek);
4538 reply_outbuf(req, 2, 0);
4539 SIVAL(req->outbuf,smb_vwv0,res);
4541 DEBUG(3,("lseek fnum=%d ofs=%.0f newpos = %.0f mode=%d\n",
4542 fsp->fnum, (double)startpos, (double)res, mode));
4544 END_PROFILE(SMBlseek);
4548 /****************************************************************************
4550 ****************************************************************************/
4552 void reply_flush(struct smb_request *req)
4554 connection_struct *conn = req->conn;
4558 START_PROFILE(SMBflush);
4561 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4565 fnum = SVAL(req->vwv+0, 0);
4566 fsp = file_fsp(req, fnum);
4568 if ((fnum != 0xFFFF) && !check_fsp(conn, req, fsp)) {
4573 file_sync_all(conn);
4575 NTSTATUS status = sync_file(conn, fsp, True);
4576 if (!NT_STATUS_IS_OK(status)) {
4577 DEBUG(5,("reply_flush: sync_file for %s returned %s\n",
4578 fsp_str_dbg(fsp), nt_errstr(status)));
4579 reply_nterror(req, status);
4580 END_PROFILE(SMBflush);
4585 reply_outbuf(req, 0, 0);
4587 DEBUG(3,("flush\n"));
4588 END_PROFILE(SMBflush);
4592 /****************************************************************************
4594 conn POINTER CAN BE NULL HERE !
4595 ****************************************************************************/
4597 void reply_exit(struct smb_request *req)
4599 START_PROFILE(SMBexit);
4601 file_close_pid(req->smbpid, req->vuid);
4603 reply_outbuf(req, 0, 0);
4605 DEBUG(3,("exit\n"));
4607 END_PROFILE(SMBexit);
4611 /****************************************************************************
4612 Reply to a close - has to deal with closing a directory opened by NT SMB's.
4613 ****************************************************************************/
4615 void reply_close(struct smb_request *req)
4617 connection_struct *conn = req->conn;
4618 NTSTATUS status = NT_STATUS_OK;
4619 files_struct *fsp = NULL;
4620 START_PROFILE(SMBclose);
4623 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4624 END_PROFILE(SMBclose);
4628 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4631 * We can only use check_fsp if we know it's not a directory.
4634 if(!fsp || (fsp->conn != conn) || (fsp->vuid != req->vuid)) {
4635 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
4636 END_PROFILE(SMBclose);
4640 if(fsp->is_directory) {
4642 * Special case - close NT SMB directory handle.
4644 DEBUG(3,("close directory fnum=%d\n", fsp->fnum));
4645 status = close_file(req, fsp, NORMAL_CLOSE);
4649 * Close ordinary file.
4652 DEBUG(3,("close fd=%d fnum=%d (numopen=%d)\n",
4653 fsp->fh->fd, fsp->fnum,
4654 conn->num_files_open));
4657 * Take care of any time sent in the close.
4660 t = srv_make_unix_date3(req->vwv+1);
4661 set_close_write_time(fsp, convert_time_t_to_timespec(t));
4664 * close_file() returns the unix errno if an error
4665 * was detected on close - normally this is due to
4666 * a disk full error. If not then it was probably an I/O error.
4669 status = close_file(req, fsp, NORMAL_CLOSE);
4672 if (!NT_STATUS_IS_OK(status)) {
4673 reply_nterror(req, status);
4674 END_PROFILE(SMBclose);
4678 reply_outbuf(req, 0, 0);
4679 END_PROFILE(SMBclose);
4683 /****************************************************************************
4684 Reply to a writeclose (Core+ protocol).
4685 ****************************************************************************/
4687 void reply_writeclose(struct smb_request *req)
4689 connection_struct *conn = req->conn;
4691 ssize_t nwritten = -1;
4692 NTSTATUS close_status = NT_STATUS_OK;
4695 struct timespec mtime;
4697 struct lock_struct lock;
4699 START_PROFILE(SMBwriteclose);
4702 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4703 END_PROFILE(SMBwriteclose);
4707 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4709 if (!check_fsp(conn, req, fsp)) {
4710 END_PROFILE(SMBwriteclose);
4713 if (!CHECK_WRITE(fsp)) {
4714 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
4715 END_PROFILE(SMBwriteclose);
4719 numtowrite = SVAL(req->vwv+1, 0);
4720 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
4721 mtime = convert_time_t_to_timespec(srv_make_unix_date3(req->vwv+4));
4722 data = (const char *)req->buf + 1;
4725 init_strict_lock_struct(fsp, (uint32)req->smbpid,
4726 (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
4729 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
4730 reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
4731 END_PROFILE(SMBwriteclose);
4736 nwritten = write_file(req,fsp,data,startpos,numtowrite);
4738 set_close_write_time(fsp, mtime);
4741 * More insanity. W2K only closes the file if writelen > 0.
4746 DEBUG(3,("reply_writeclose: zero length write doesn't close "
4747 "file %s\n", fsp_str_dbg(fsp)));
4748 close_status = close_file(req, fsp, NORMAL_CLOSE);
4751 DEBUG(3,("writeclose fnum=%d num=%d wrote=%d (numopen=%d)\n",
4752 fsp->fnum, (int)numtowrite, (int)nwritten,
4753 conn->num_files_open));
4755 if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
4756 reply_nterror(req, NT_STATUS_DISK_FULL);
4760 if(!NT_STATUS_IS_OK(close_status)) {
4761 reply_nterror(req, close_status);
4765 reply_outbuf(req, 1, 0);
4767 SSVAL(req->outbuf,smb_vwv0,nwritten);
4771 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
4774 END_PROFILE(SMBwriteclose);
4779 #define DBGC_CLASS DBGC_LOCKING
4781 /****************************************************************************
4783 ****************************************************************************/
4785 void reply_lock(struct smb_request *req)
4787 connection_struct *conn = req->conn;
4788 uint64_t count,offset;
4791 struct byte_range_lock *br_lck = NULL;
4793 START_PROFILE(SMBlock);
4796 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4797 END_PROFILE(SMBlock);
4801 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4803 if (!check_fsp(conn, req, fsp)) {
4804 END_PROFILE(SMBlock);
4808 count = (uint64_t)IVAL(req->vwv+1, 0);
4809 offset = (uint64_t)IVAL(req->vwv+3, 0);
4811 DEBUG(3,("lock fd=%d fnum=%d offset=%.0f count=%.0f\n",
4812 fsp->fh->fd, fsp->fnum, (double)offset, (double)count));
4814 br_lck = do_lock(smbd_messaging_context(),
4821 False, /* Non-blocking lock. */
4826 TALLOC_FREE(br_lck);
4828 if (NT_STATUS_V(status)) {
4829 reply_nterror(req, status);
4830 END_PROFILE(SMBlock);
4834 reply_outbuf(req, 0, 0);
4836 END_PROFILE(SMBlock);
4840 /****************************************************************************
4842 ****************************************************************************/
4844 void reply_unlock(struct smb_request *req)
4846 connection_struct *conn = req->conn;
4847 uint64_t count,offset;
4851 START_PROFILE(SMBunlock);
4854 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4855 END_PROFILE(SMBunlock);
4859 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4861 if (!check_fsp(conn, req, fsp)) {
4862 END_PROFILE(SMBunlock);
4866 count = (uint64_t)IVAL(req->vwv+1, 0);
4867 offset = (uint64_t)IVAL(req->vwv+3, 0);
4869 status = do_unlock(smbd_messaging_context(),
4876 if (NT_STATUS_V(status)) {
4877 reply_nterror(req, status);
4878 END_PROFILE(SMBunlock);
4882 DEBUG( 3, ( "unlock fd=%d fnum=%d offset=%.0f count=%.0f\n",
4883 fsp->fh->fd, fsp->fnum, (double)offset, (double)count ) );
4885 reply_outbuf(req, 0, 0);
4887 END_PROFILE(SMBunlock);
4892 #define DBGC_CLASS DBGC_ALL
4894 /****************************************************************************
4896 conn POINTER CAN BE NULL HERE !
4897 ****************************************************************************/
4899 void reply_tdis(struct smb_request *req)
4901 connection_struct *conn = req->conn;
4902 START_PROFILE(SMBtdis);
4905 DEBUG(4,("Invalid connection in tdis\n"));
4906 reply_nterror(req, NT_STATUS_NETWORK_NAME_DELETED);
4907 END_PROFILE(SMBtdis);
4913 close_cnum(conn,req->vuid);
4916 reply_outbuf(req, 0, 0);
4917 END_PROFILE(SMBtdis);
4921 /****************************************************************************
4923 conn POINTER CAN BE NULL HERE !
4924 ****************************************************************************/
4926 void reply_echo(struct smb_request *req)
4928 connection_struct *conn = req->conn;
4929 struct smb_perfcount_data local_pcd;
4930 struct smb_perfcount_data *cur_pcd;
4934 START_PROFILE(SMBecho);
4936 smb_init_perfcount_data(&local_pcd);
4939 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4940 END_PROFILE(SMBecho);
4944 smb_reverb = SVAL(req->vwv+0, 0);
4946 reply_outbuf(req, 1, req->buflen);
4948 /* copy any incoming data back out */
4949 if (req->buflen > 0) {
4950 memcpy(smb_buf(req->outbuf), req->buf, req->buflen);
4953 if (smb_reverb > 100) {
4954 DEBUG(0,("large reverb (%d)?? Setting to 100\n",smb_reverb));
4958 for (seq_num = 1 ; seq_num <= smb_reverb ; seq_num++) {
4960 /* this makes sure we catch the request pcd */
4961 if (seq_num == smb_reverb) {
4962 cur_pcd = &req->pcd;
4964 SMB_PERFCOUNT_COPY_CONTEXT(&req->pcd, &local_pcd);
4965 cur_pcd = &local_pcd;
4968 SSVAL(req->outbuf,smb_vwv0,seq_num);
4970 show_msg((char *)req->outbuf);
4971 if (!srv_send_smb(smbd_server_fd(),
4972 (char *)req->outbuf,
4973 true, req->seqnum+1,
4974 IS_CONN_ENCRYPTED(conn)||req->encrypted,
4976 exit_server_cleanly("reply_echo: srv_send_smb failed.");
4979 DEBUG(3,("echo %d times\n", smb_reverb));
4981 TALLOC_FREE(req->outbuf);
4983 END_PROFILE(SMBecho);
4987 /****************************************************************************
4988 Reply to a printopen.
4989 ****************************************************************************/
4991 void reply_printopen(struct smb_request *req)
4993 connection_struct *conn = req->conn;
4997 START_PROFILE(SMBsplopen);
5000 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5001 END_PROFILE(SMBsplopen);
5005 if (!CAN_PRINT(conn)) {
5006 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
5007 END_PROFILE(SMBsplopen);
5011 status = file_new(req, conn, &fsp);
5012 if(!NT_STATUS_IS_OK(status)) {
5013 reply_nterror(req, status);
5014 END_PROFILE(SMBsplopen);
5018 /* Open for exclusive use, write only. */
5019 status = print_fsp_open(req, conn, NULL, req->vuid, fsp);
5021 if (!NT_STATUS_IS_OK(status)) {
5022 file_free(req, fsp);
5023 reply_nterror(req, status);
5024 END_PROFILE(SMBsplopen);
5028 reply_outbuf(req, 1, 0);
5029 SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
5031 DEBUG(3,("openprint fd=%d fnum=%d\n",
5032 fsp->fh->fd, fsp->fnum));
5034 END_PROFILE(SMBsplopen);
5038 /****************************************************************************
5039 Reply to a printclose.
5040 ****************************************************************************/
5042 void reply_printclose(struct smb_request *req)
5044 connection_struct *conn = req->conn;
5048 START_PROFILE(SMBsplclose);
5051 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5052 END_PROFILE(SMBsplclose);
5056 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
5058 if (!check_fsp(conn, req, fsp)) {
5059 END_PROFILE(SMBsplclose);
5063 if (!CAN_PRINT(conn)) {
5064 reply_force_doserror(req, ERRSRV, ERRerror);
5065 END_PROFILE(SMBsplclose);
5069 DEBUG(3,("printclose fd=%d fnum=%d\n",
5070 fsp->fh->fd,fsp->fnum));
5072 status = close_file(req, fsp, NORMAL_CLOSE);
5074 if(!NT_STATUS_IS_OK(status)) {
5075 reply_nterror(req, status);
5076 END_PROFILE(SMBsplclose);
5080 reply_outbuf(req, 0, 0);
5082 END_PROFILE(SMBsplclose);
5086 /****************************************************************************
5087 Reply to a printqueue.
5088 ****************************************************************************/
5090 void reply_printqueue(struct smb_request *req)
5092 connection_struct *conn = req->conn;
5096 START_PROFILE(SMBsplretq);
5099 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5100 END_PROFILE(SMBsplretq);
5104 max_count = SVAL(req->vwv+0, 0);
5105 start_index = SVAL(req->vwv+1, 0);
5107 /* we used to allow the client to get the cnum wrong, but that
5108 is really quite gross and only worked when there was only
5109 one printer - I think we should now only accept it if they
5110 get it right (tridge) */
5111 if (!CAN_PRINT(conn)) {
5112 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
5113 END_PROFILE(SMBsplretq);
5117 reply_outbuf(req, 2, 3);
5118 SSVAL(req->outbuf,smb_vwv0,0);
5119 SSVAL(req->outbuf,smb_vwv1,0);
5120 SCVAL(smb_buf(req->outbuf),0,1);
5121 SSVAL(smb_buf(req->outbuf),1,0);
5123 DEBUG(3,("printqueue start_index=%d max_count=%d\n",
5124 start_index, max_count));
5127 print_queue_struct *queue = NULL;
5128 print_status_struct status;
5129 int count = print_queue_status(SNUM(conn), &queue, &status);
5130 int num_to_get = ABS(max_count);
5131 int first = (max_count>0?start_index:start_index+max_count+1);
5137 num_to_get = MIN(num_to_get,count-first);
5140 for (i=first;i<first+num_to_get;i++) {
5144 srv_put_dos_date2(p,0,queue[i].time);
5145 SCVAL(p,4,(queue[i].status==LPQ_PRINTING?2:3));
5146 SSVAL(p,5, queue[i].job);
5147 SIVAL(p,7,queue[i].size);
5149 srvstr_push(blob, req->flags2, p+12,
5150 queue[i].fs_user, 16, STR_ASCII);
5152 if (message_push_blob(
5155 blob, sizeof(blob))) == -1) {
5156 reply_nterror(req, NT_STATUS_NO_MEMORY);
5157 END_PROFILE(SMBsplretq);
5163 SSVAL(req->outbuf,smb_vwv0,count);
5164 SSVAL(req->outbuf,smb_vwv1,
5165 (max_count>0?first+count:first-1));
5166 SCVAL(smb_buf(req->outbuf),0,1);
5167 SSVAL(smb_buf(req->outbuf),1,28*count);
5172 DEBUG(3,("%d entries returned in queue\n",count));
5175 END_PROFILE(SMBsplretq);
5179 /****************************************************************************
5180 Reply to a printwrite.
5181 ****************************************************************************/
5183 void reply_printwrite(struct smb_request *req)
5185 connection_struct *conn = req->conn;
5190 START_PROFILE(SMBsplwr);
5193 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5194 END_PROFILE(SMBsplwr);
5198 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
5200 if (!check_fsp(conn, req, fsp)) {
5201 END_PROFILE(SMBsplwr);
5205 if (!CAN_PRINT(conn)) {
5206 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
5207 END_PROFILE(SMBsplwr);
5211 if (!CHECK_WRITE(fsp)) {
5212 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
5213 END_PROFILE(SMBsplwr);
5217 numtowrite = SVAL(req->buf, 1);
5219 if (req->buflen < numtowrite + 3) {
5220 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5221 END_PROFILE(SMBsplwr);
5225 data = (const char *)req->buf + 3;
5227 if (write_file(req,fsp,data,-1,numtowrite) != numtowrite) {
5228 reply_nterror(req, map_nt_error_from_unix(errno));
5229 END_PROFILE(SMBsplwr);
5233 DEBUG( 3, ( "printwrite fnum=%d num=%d\n", fsp->fnum, numtowrite ) );
5235 END_PROFILE(SMBsplwr);
5239 /****************************************************************************
5241 ****************************************************************************/
5243 void reply_mkdir(struct smb_request *req)
5245 connection_struct *conn = req->conn;
5246 struct smb_filename *smb_dname = NULL;
5247 char *directory = NULL;
5249 TALLOC_CTX *ctx = talloc_tos();
5251 START_PROFILE(SMBmkdir);
5253 srvstr_get_path_req(ctx, req, &directory, (const char *)req->buf + 1,
5254 STR_TERMINATE, &status);
5255 if (!NT_STATUS_IS_OK(status)) {
5256 reply_nterror(req, status);
5260 status = filename_convert(ctx, conn,
5261 req->flags2 & FLAGS2_DFS_PATHNAMES,
5266 if (!NT_STATUS_IS_OK(status)) {
5267 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5268 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
5269 ERRSRV, ERRbadpath);
5272 reply_nterror(req, status);
5276 status = create_directory(conn, req, smb_dname);
5278 DEBUG(5, ("create_directory returned %s\n", nt_errstr(status)));
5280 if (!NT_STATUS_IS_OK(status)) {
5282 if (!use_nt_status()
5283 && NT_STATUS_EQUAL(status,
5284 NT_STATUS_OBJECT_NAME_COLLISION)) {
5286 * Yes, in the DOS error code case we get a
5287 * ERRDOS:ERRnoaccess here. See BASE-SAMBA3ERROR
5288 * samba4 torture test.
5290 status = NT_STATUS_DOS(ERRDOS, ERRnoaccess);
5293 reply_nterror(req, status);
5297 reply_outbuf(req, 0, 0);
5299 DEBUG(3, ("mkdir %s\n", smb_dname->base_name));
5301 TALLOC_FREE(smb_dname);
5302 END_PROFILE(SMBmkdir);
5306 /****************************************************************************
5308 ****************************************************************************/
5310 void reply_rmdir(struct smb_request *req)
5312 connection_struct *conn = req->conn;
5313 struct smb_filename *smb_dname = NULL;
5314 char *directory = NULL;
5316 TALLOC_CTX *ctx = talloc_tos();
5317 files_struct *fsp = NULL;
5319 struct smbd_server_connection *sconn = smbd_server_conn;
5321 START_PROFILE(SMBrmdir);
5323 srvstr_get_path_req(ctx, req, &directory, (const char *)req->buf + 1,
5324 STR_TERMINATE, &status);
5325 if (!NT_STATUS_IS_OK(status)) {
5326 reply_nterror(req, status);
5330 status = filename_convert(ctx, conn,
5331 req->flags2 & FLAGS2_DFS_PATHNAMES,
5336 if (!NT_STATUS_IS_OK(status)) {
5337 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5338 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
5339 ERRSRV, ERRbadpath);
5342 reply_nterror(req, status);
5346 if (is_ntfs_stream_smb_fname(smb_dname)) {
5347 reply_nterror(req, NT_STATUS_NOT_A_DIRECTORY);
5351 status = SMB_VFS_CREATE_FILE(
5354 0, /* root_dir_fid */
5355 smb_dname, /* fname */
5356 DELETE_ACCESS, /* access_mask */
5357 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
5359 FILE_OPEN, /* create_disposition*/
5360 FILE_DIRECTORY_FILE, /* create_options */
5361 FILE_ATTRIBUTE_DIRECTORY, /* file_attributes */
5362 0, /* oplock_request */
5363 0, /* allocation_size */
5369 if (!NT_STATUS_IS_OK(status)) {
5370 if (open_was_deferred(req->mid)) {
5371 /* We have re-scheduled this call. */
5374 reply_nterror(req, status);
5378 status = can_set_delete_on_close(fsp, FILE_ATTRIBUTE_DIRECTORY);
5379 if (!NT_STATUS_IS_OK(status)) {
5380 close_file(req, fsp, ERROR_CLOSE);
5381 reply_nterror(req, status);
5385 if (!set_delete_on_close(fsp, true, &conn->server_info->utok)) {
5386 close_file(req, fsp, ERROR_CLOSE);
5387 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
5391 status = close_file(req, fsp, NORMAL_CLOSE);
5392 if (!NT_STATUS_IS_OK(status)) {
5393 reply_nterror(req, status);
5395 reply_outbuf(req, 0, 0);
5398 dptr_closepath(sconn, smb_dname->base_name, req->smbpid);
5400 DEBUG(3, ("rmdir %s\n", smb_fname_str_dbg(smb_dname)));
5402 TALLOC_FREE(smb_dname);
5403 END_PROFILE(SMBrmdir);
5407 /*******************************************************************
5408 Resolve wildcards in a filename rename.
5409 ********************************************************************/
5411 static bool resolve_wildcards(TALLOC_CTX *ctx,
5416 char *name2_copy = NULL;
5421 char *p,*p2, *pname1, *pname2;
5423 name2_copy = talloc_strdup(ctx, name2);
5428 pname1 = strrchr_m(name1,'/');
5429 pname2 = strrchr_m(name2_copy,'/');
5431 if (!pname1 || !pname2) {
5435 /* Truncate the copy of name2 at the last '/' */
5438 /* Now go past the '/' */
5442 root1 = talloc_strdup(ctx, pname1);
5443 root2 = talloc_strdup(ctx, pname2);
5445 if (!root1 || !root2) {
5449 p = strrchr_m(root1,'.');
5452 ext1 = talloc_strdup(ctx, p+1);
5454 ext1 = talloc_strdup(ctx, "");
5456 p = strrchr_m(root2,'.');
5459 ext2 = talloc_strdup(ctx, p+1);
5461 ext2 = talloc_strdup(ctx, "");
5464 if (!ext1 || !ext2) {
5472 /* Hmmm. Should this be mb-aware ? */
5475 } else if (*p2 == '*') {
5477 root2 = talloc_asprintf(ctx, "%s%s",
5496 /* Hmmm. Should this be mb-aware ? */
5499 } else if (*p2 == '*') {
5501 ext2 = talloc_asprintf(ctx, "%s%s",
5517 *pp_newname = talloc_asprintf(ctx, "%s/%s.%s",
5522 *pp_newname = talloc_asprintf(ctx, "%s/%s",
5534 /****************************************************************************
5535 Ensure open files have their names updated. Updated to notify other smbd's
5537 ****************************************************************************/
5539 static void rename_open_files(connection_struct *conn,
5540 struct share_mode_lock *lck,
5541 const struct smb_filename *smb_fname_dst)
5544 bool did_rename = False;
5547 for(fsp = file_find_di_first(lck->id); fsp;
5548 fsp = file_find_di_next(fsp)) {
5549 /* fsp_name is a relative path under the fsp. To change this for other
5550 sharepaths we need to manipulate relative paths. */
5551 /* TODO - create the absolute path and manipulate the newname
5552 relative to the sharepath. */
5553 if (!strequal(fsp->conn->connectpath, conn->connectpath)) {
5556 DEBUG(10, ("rename_open_files: renaming file fnum %d "
5557 "(file_id %s) from %s -> %s\n", fsp->fnum,
5558 file_id_string_tos(&fsp->file_id), fsp_str_dbg(fsp),
5559 smb_fname_str_dbg(smb_fname_dst)));
5561 status = fsp_set_smb_fname(fsp, smb_fname_dst);
5562 if (NT_STATUS_IS_OK(status)) {
5568 DEBUG(10, ("rename_open_files: no open files on file_id %s "
5569 "for %s\n", file_id_string_tos(&lck->id),
5570 smb_fname_str_dbg(smb_fname_dst)));
5573 /* Send messages to all smbd's (not ourself) that the name has changed. */
5574 rename_share_filename(smbd_messaging_context(), lck, conn->connectpath,
5579 /****************************************************************************
5580 We need to check if the source path is a parent directory of the destination
5581 (ie. a rename of /foo/bar/baz -> /foo/bar/baz/bibble/bobble. If so we must
5582 refuse the rename with a sharing violation. Under UNIX the above call can
5583 *succeed* if /foo/bar/baz is a symlink to another area in the share. We
5584 probably need to check that the client is a Windows one before disallowing
5585 this as a UNIX client (one with UNIX extensions) can know the source is a
5586 symlink and make this decision intelligently. Found by an excellent bug
5587 report from <AndyLiebman@aol.com>.
5588 ****************************************************************************/
5590 static bool rename_path_prefix_equal(const struct smb_filename *smb_fname_src,
5591 const struct smb_filename *smb_fname_dst)
5593 const char *psrc = smb_fname_src->base_name;
5594 const char *pdst = smb_fname_dst->base_name;
5597 if (psrc[0] == '.' && psrc[1] == '/') {
5600 if (pdst[0] == '.' && pdst[1] == '/') {
5603 if ((slen = strlen(psrc)) > strlen(pdst)) {
5606 return ((memcmp(psrc, pdst, slen) == 0) && pdst[slen] == '/');
5610 * Do the notify calls from a rename
5613 static void notify_rename(connection_struct *conn, bool is_dir,
5614 const struct smb_filename *smb_fname_src,
5615 const struct smb_filename *smb_fname_dst)
5617 char *parent_dir_src = NULL;
5618 char *parent_dir_dst = NULL;
5621 mask = is_dir ? FILE_NOTIFY_CHANGE_DIR_NAME
5622 : FILE_NOTIFY_CHANGE_FILE_NAME;
5624 if (!parent_dirname(talloc_tos(), smb_fname_src->base_name,
5625 &parent_dir_src, NULL) ||
5626 !parent_dirname(talloc_tos(), smb_fname_dst->base_name,
5627 &parent_dir_dst, NULL)) {
5631 if (strcmp(parent_dir_src, parent_dir_dst) == 0) {
5632 notify_fname(conn, NOTIFY_ACTION_OLD_NAME, mask,
5633 smb_fname_src->base_name);
5634 notify_fname(conn, NOTIFY_ACTION_NEW_NAME, mask,
5635 smb_fname_dst->base_name);
5638 notify_fname(conn, NOTIFY_ACTION_REMOVED, mask,
5639 smb_fname_src->base_name);
5640 notify_fname(conn, NOTIFY_ACTION_ADDED, mask,
5641 smb_fname_dst->base_name);
5644 /* this is a strange one. w2k3 gives an additional event for
5645 CHANGE_ATTRIBUTES and CHANGE_CREATION on the new file when renaming
5646 files, but not directories */
5648 notify_fname(conn, NOTIFY_ACTION_MODIFIED,
5649 FILE_NOTIFY_CHANGE_ATTRIBUTES
5650 |FILE_NOTIFY_CHANGE_CREATION,
5651 smb_fname_dst->base_name);
5654 TALLOC_FREE(parent_dir_src);
5655 TALLOC_FREE(parent_dir_dst);
5658 /****************************************************************************
5659 Rename an open file - given an fsp.
5660 ****************************************************************************/
5662 NTSTATUS rename_internals_fsp(connection_struct *conn,
5664 const struct smb_filename *smb_fname_dst_in,
5666 bool replace_if_exists)
5668 TALLOC_CTX *ctx = talloc_tos();
5669 struct smb_filename *smb_fname_dst = NULL;
5670 NTSTATUS status = NT_STATUS_OK;
5671 struct share_mode_lock *lck = NULL;
5672 bool dst_exists, old_is_stream, new_is_stream;
5674 status = check_name(conn, smb_fname_dst_in->base_name);
5675 if (!NT_STATUS_IS_OK(status)) {
5679 /* Make a copy of the dst smb_fname structs */
5681 status = copy_smb_filename(ctx, smb_fname_dst_in, &smb_fname_dst);
5682 if (!NT_STATUS_IS_OK(status)) {
5686 /* Ensure the dst smb_fname contains a '/' */
5687 if(strrchr_m(smb_fname_dst->base_name,'/') == 0) {
5689 tmp = talloc_asprintf(smb_fname_dst, "./%s",
5690 smb_fname_dst->base_name);
5692 status = NT_STATUS_NO_MEMORY;
5695 TALLOC_FREE(smb_fname_dst->base_name);
5696 smb_fname_dst->base_name = tmp;
5700 * Check for special case with case preserving and not
5701 * case sensitive. If the old last component differs from the original
5702 * last component only by case, then we should allow
5703 * the rename (user is trying to change the case of the
5706 if((conn->case_sensitive == False) && (conn->case_preserve == True) &&
5707 strequal(fsp->fsp_name->base_name, smb_fname_dst->base_name) &&
5708 strequal(fsp->fsp_name->stream_name, smb_fname_dst->stream_name)) {
5710 char *fname_dst_lcomp_base_mod = NULL;
5711 struct smb_filename *smb_fname_orig_lcomp = NULL;
5714 * Get the last component of the destination name. Note that
5715 * we guarantee that destination name contains a '/' character
5718 last_slash = strrchr_m(smb_fname_dst->base_name, '/');
5719 fname_dst_lcomp_base_mod = talloc_strdup(ctx, last_slash + 1);
5720 if (!fname_dst_lcomp_base_mod) {
5721 status = NT_STATUS_NO_MEMORY;
5726 * Create an smb_filename struct using the original last
5727 * component of the destination.
5729 status = create_synthetic_smb_fname_split(ctx,
5730 smb_fname_dst->original_lcomp, NULL,
5731 &smb_fname_orig_lcomp);
5732 if (!NT_STATUS_IS_OK(status)) {
5733 TALLOC_FREE(fname_dst_lcomp_base_mod);
5737 /* If the base names only differ by case, use original. */
5738 if(!strcsequal(fname_dst_lcomp_base_mod,
5739 smb_fname_orig_lcomp->base_name)) {
5742 * Replace the modified last component with the
5745 *last_slash = '\0'; /* Truncate at the '/' */
5746 tmp = talloc_asprintf(smb_fname_dst,
5748 smb_fname_dst->base_name,
5749 smb_fname_orig_lcomp->base_name);
5751 status = NT_STATUS_NO_MEMORY;
5752 TALLOC_FREE(fname_dst_lcomp_base_mod);
5753 TALLOC_FREE(smb_fname_orig_lcomp);
5756 TALLOC_FREE(smb_fname_dst->base_name);
5757 smb_fname_dst->base_name = tmp;
5760 /* If the stream_names only differ by case, use original. */
5761 if(!strcsequal(smb_fname_dst->stream_name,
5762 smb_fname_orig_lcomp->stream_name)) {
5764 /* Use the original stream. */
5765 tmp = talloc_strdup(smb_fname_dst,
5766 smb_fname_orig_lcomp->stream_name);
5768 status = NT_STATUS_NO_MEMORY;
5769 TALLOC_FREE(fname_dst_lcomp_base_mod);
5770 TALLOC_FREE(smb_fname_orig_lcomp);
5773 TALLOC_FREE(smb_fname_dst->stream_name);
5774 smb_fname_dst->stream_name = tmp;
5776 TALLOC_FREE(fname_dst_lcomp_base_mod);
5777 TALLOC_FREE(smb_fname_orig_lcomp);
5781 * If the src and dest names are identical - including case,
5782 * don't do the rename, just return success.
5785 if (strcsequal(fsp->fsp_name->base_name, smb_fname_dst->base_name) &&
5786 strcsequal(fsp->fsp_name->stream_name,
5787 smb_fname_dst->stream_name)) {
5788 DEBUG(3, ("rename_internals_fsp: identical names in rename %s "
5789 "- returning success\n",
5790 smb_fname_str_dbg(smb_fname_dst)));
5791 status = NT_STATUS_OK;
5795 old_is_stream = is_ntfs_stream_smb_fname(fsp->fsp_name);
5796 new_is_stream = is_ntfs_stream_smb_fname(smb_fname_dst);
5798 /* Return the correct error code if both names aren't streams. */
5799 if (!old_is_stream && new_is_stream) {
5800 status = NT_STATUS_OBJECT_NAME_INVALID;
5804 if (old_is_stream && !new_is_stream) {
5805 status = NT_STATUS_INVALID_PARAMETER;
5809 dst_exists = SMB_VFS_STAT(conn, smb_fname_dst) == 0;
5811 if(!replace_if_exists && dst_exists) {
5812 DEBUG(3, ("rename_internals_fsp: dest exists doing rename "
5813 "%s -> %s\n", smb_fname_str_dbg(fsp->fsp_name),
5814 smb_fname_str_dbg(smb_fname_dst)));
5815 status = NT_STATUS_OBJECT_NAME_COLLISION;
5820 struct file_id fileid = vfs_file_id_from_sbuf(conn,
5821 &smb_fname_dst->st);
5822 files_struct *dst_fsp = file_find_di_first(fileid);
5823 /* The file can be open when renaming a stream */
5824 if (dst_fsp && !new_is_stream) {
5825 DEBUG(3, ("rename_internals_fsp: Target file open\n"));
5826 status = NT_STATUS_ACCESS_DENIED;
5831 /* Ensure we have a valid stat struct for the source. */
5832 status = vfs_stat_fsp(fsp);
5833 if (!NT_STATUS_IS_OK(status)) {
5837 status = can_rename(conn, fsp, attrs);
5839 if (!NT_STATUS_IS_OK(status)) {
5840 DEBUG(3, ("rename_internals_fsp: Error %s rename %s -> %s\n",
5841 nt_errstr(status), smb_fname_str_dbg(fsp->fsp_name),
5842 smb_fname_str_dbg(smb_fname_dst)));
5843 if (NT_STATUS_EQUAL(status,NT_STATUS_SHARING_VIOLATION))
5844 status = NT_STATUS_ACCESS_DENIED;
5848 if (rename_path_prefix_equal(fsp->fsp_name, smb_fname_dst)) {
5849 status = NT_STATUS_ACCESS_DENIED;
5852 lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
5856 * We have the file open ourselves, so not being able to get the
5857 * corresponding share mode lock is a fatal error.
5860 SMB_ASSERT(lck != NULL);
5862 if(SMB_VFS_RENAME(conn, fsp->fsp_name, smb_fname_dst) == 0) {
5863 uint32 create_options = fsp->fh->private_options;
5865 DEBUG(3, ("rename_internals_fsp: succeeded doing rename on "
5866 "%s -> %s\n", smb_fname_str_dbg(fsp->fsp_name),
5867 smb_fname_str_dbg(smb_fname_dst)));
5869 if (!lp_posix_pathnames() &&
5870 (lp_map_archive(SNUM(conn)) ||
5871 lp_store_dos_attributes(SNUM(conn)))) {
5872 /* We must set the archive bit on the newly
5874 if (SMB_VFS_STAT(conn, smb_fname_dst) == 0) {
5875 uint32_t old_dosmode = dos_mode(conn,
5877 file_set_dosmode(conn,
5879 old_dosmode | FILE_ATTRIBUTE_ARCHIVE,
5885 notify_rename(conn, fsp->is_directory, fsp->fsp_name,
5888 rename_open_files(conn, lck, smb_fname_dst);
5891 * A rename acts as a new file create w.r.t. allowing an initial delete
5892 * on close, probably because in Windows there is a new handle to the
5893 * new file. If initial delete on close was requested but not
5894 * originally set, we need to set it here. This is probably not 100% correct,
5895 * but will work for the CIFSFS client which in non-posix mode
5896 * depends on these semantics. JRA.
5899 if (create_options & FILE_DELETE_ON_CLOSE) {
5900 status = can_set_delete_on_close(fsp, 0);
5902 if (NT_STATUS_IS_OK(status)) {
5903 /* Note that here we set the *inital* delete on close flag,
5904 * not the regular one. The magic gets handled in close. */
5905 fsp->initial_delete_on_close = True;
5909 status = NT_STATUS_OK;
5915 if (errno == ENOTDIR || errno == EISDIR) {
5916 status = NT_STATUS_OBJECT_NAME_COLLISION;
5918 status = map_nt_error_from_unix(errno);
5921 DEBUG(3, ("rename_internals_fsp: Error %s rename %s -> %s\n",
5922 nt_errstr(status), smb_fname_str_dbg(fsp->fsp_name),
5923 smb_fname_str_dbg(smb_fname_dst)));
5926 TALLOC_FREE(smb_fname_dst);
5931 /****************************************************************************
5932 The guts of the rename command, split out so it may be called by the NT SMB
5934 ****************************************************************************/
5936 NTSTATUS rename_internals(TALLOC_CTX *ctx,
5937 connection_struct *conn,
5938 struct smb_request *req,
5939 struct smb_filename *smb_fname_src,
5940 struct smb_filename *smb_fname_dst,
5942 bool replace_if_exists,
5945 uint32_t access_mask)
5947 char *fname_src_dir = NULL;
5948 char *fname_src_mask = NULL;
5950 NTSTATUS status = NT_STATUS_OK;
5951 struct smb_Dir *dir_hnd = NULL;
5952 const char *dname = NULL;
5953 char *talloced = NULL;
5955 int create_options = 0;
5956 bool posix_pathnames = lp_posix_pathnames();
5959 * Split the old name into directory and last component
5960 * strings. Note that unix_convert may have stripped off a
5961 * leading ./ from both name and newname if the rename is
5962 * at the root of the share. We need to make sure either both
5963 * name and newname contain a / character or neither of them do
5964 * as this is checked in resolve_wildcards().
5967 /* Split up the directory from the filename/mask. */
5968 status = split_fname_dir_mask(ctx, smb_fname_src->base_name,
5969 &fname_src_dir, &fname_src_mask);
5970 if (!NT_STATUS_IS_OK(status)) {
5971 status = NT_STATUS_NO_MEMORY;
5976 * We should only check the mangled cache
5977 * here if unix_convert failed. This means
5978 * that the path in 'mask' doesn't exist
5979 * on the file system and so we need to look
5980 * for a possible mangle. This patch from
5981 * Tine Smukavec <valentin.smukavec@hermes.si>.
5984 if (!VALID_STAT(smb_fname_src->st) &&
5985 mangle_is_mangled(fname_src_mask, conn->params)) {
5986 char *new_mask = NULL;
5987 mangle_lookup_name_from_8_3(ctx, fname_src_mask, &new_mask,
5990 TALLOC_FREE(fname_src_mask);
5991 fname_src_mask = new_mask;
5995 if (!src_has_wild) {
5999 * Only one file needs to be renamed. Append the mask back
6000 * onto the directory.
6002 TALLOC_FREE(smb_fname_src->base_name);
6003 smb_fname_src->base_name = talloc_asprintf(smb_fname_src,
6007 if (!smb_fname_src->base_name) {
6008 status = NT_STATUS_NO_MEMORY;
6012 /* Ensure dst fname contains a '/' also */
6013 if(strrchr_m(smb_fname_dst->base_name, '/') == 0) {
6015 tmp = talloc_asprintf(smb_fname_dst, "./%s",
6016 smb_fname_dst->base_name);
6018 status = NT_STATUS_NO_MEMORY;
6021 TALLOC_FREE(smb_fname_dst->base_name);
6022 smb_fname_dst->base_name = tmp;
6025 DEBUG(3, ("rename_internals: case_sensitive = %d, "
6026 "case_preserve = %d, short case preserve = %d, "
6027 "directory = %s, newname = %s, "
6028 "last_component_dest = %s\n",
6029 conn->case_sensitive, conn->case_preserve,
6030 conn->short_case_preserve,
6031 smb_fname_str_dbg(smb_fname_src),
6032 smb_fname_str_dbg(smb_fname_dst),
6033 smb_fname_dst->original_lcomp));
6035 /* The dest name still may have wildcards. */
6036 if (dest_has_wild) {
6037 char *fname_dst_mod = NULL;
6038 if (!resolve_wildcards(smb_fname_dst,
6039 smb_fname_src->base_name,
6040 smb_fname_dst->base_name,
6042 DEBUG(6, ("rename_internals: resolve_wildcards "
6044 smb_fname_src->base_name,
6045 smb_fname_dst->base_name));
6046 status = NT_STATUS_NO_MEMORY;
6049 TALLOC_FREE(smb_fname_dst->base_name);
6050 smb_fname_dst->base_name = fname_dst_mod;
6053 ZERO_STRUCT(smb_fname_src->st);
6054 if (posix_pathnames) {
6055 SMB_VFS_LSTAT(conn, smb_fname_src);
6057 SMB_VFS_STAT(conn, smb_fname_src);
6060 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
6061 create_options |= FILE_DIRECTORY_FILE;
6064 status = SMB_VFS_CREATE_FILE(
6067 0, /* root_dir_fid */
6068 smb_fname_src, /* fname */
6069 access_mask, /* access_mask */
6070 (FILE_SHARE_READ | /* share_access */
6072 FILE_OPEN, /* create_disposition*/
6073 create_options, /* create_options */
6074 posix_pathnames ? FILE_FLAG_POSIX_SEMANTICS|0777 : 0, /* file_attributes */
6075 0, /* oplock_request */
6076 0, /* allocation_size */
6082 if (!NT_STATUS_IS_OK(status)) {
6083 DEBUG(3, ("Could not open rename source %s: %s\n",
6084 smb_fname_str_dbg(smb_fname_src),
6085 nt_errstr(status)));
6089 status = rename_internals_fsp(conn, fsp, smb_fname_dst,
6090 attrs, replace_if_exists);
6092 close_file(req, fsp, NORMAL_CLOSE);
6094 DEBUG(3, ("rename_internals: Error %s rename %s -> %s\n",
6095 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
6096 smb_fname_str_dbg(smb_fname_dst)));
6102 * Wildcards - process each file that matches.
6104 if (strequal(fname_src_mask, "????????.???")) {
6105 TALLOC_FREE(fname_src_mask);
6106 fname_src_mask = talloc_strdup(ctx, "*");
6107 if (!fname_src_mask) {
6108 status = NT_STATUS_NO_MEMORY;
6113 status = check_name(conn, fname_src_dir);
6114 if (!NT_STATUS_IS_OK(status)) {
6118 dir_hnd = OpenDir(talloc_tos(), conn, fname_src_dir, fname_src_mask,
6120 if (dir_hnd == NULL) {
6121 status = map_nt_error_from_unix(errno);
6125 status = NT_STATUS_NO_SUCH_FILE;
6127 * Was status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
6128 * - gentest fix. JRA
6131 while ((dname = ReadDirName(dir_hnd, &offset, &smb_fname_src->st,
6133 files_struct *fsp = NULL;
6134 char *destname = NULL;
6135 bool sysdir_entry = False;
6137 /* Quick check for "." and ".." */
6138 if (ISDOT(dname) || ISDOTDOT(dname)) {
6140 sysdir_entry = True;
6142 TALLOC_FREE(talloced);
6147 if (!is_visible_file(conn, fname_src_dir, dname,
6148 &smb_fname_src->st, false)) {
6149 TALLOC_FREE(talloced);
6153 if(!mask_match(dname, fname_src_mask, conn->case_sensitive)) {
6154 TALLOC_FREE(talloced);
6159 status = NT_STATUS_OBJECT_NAME_INVALID;
6163 TALLOC_FREE(smb_fname_src->base_name);
6164 smb_fname_src->base_name = talloc_asprintf(smb_fname_src,
6168 if (!smb_fname_src->base_name) {
6169 status = NT_STATUS_NO_MEMORY;
6173 if (!resolve_wildcards(ctx, smb_fname_src->base_name,
6174 smb_fname_dst->base_name,
6176 DEBUG(6, ("resolve_wildcards %s %s failed\n",
6177 smb_fname_src->base_name, destname));
6178 TALLOC_FREE(talloced);
6182 status = NT_STATUS_NO_MEMORY;
6186 TALLOC_FREE(smb_fname_dst->base_name);
6187 smb_fname_dst->base_name = destname;
6189 ZERO_STRUCT(smb_fname_src->st);
6190 if (posix_pathnames) {
6191 SMB_VFS_LSTAT(conn, smb_fname_src);
6193 SMB_VFS_STAT(conn, smb_fname_src);
6198 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
6199 create_options |= FILE_DIRECTORY_FILE;
6202 status = SMB_VFS_CREATE_FILE(
6205 0, /* root_dir_fid */
6206 smb_fname_src, /* fname */
6207 access_mask, /* access_mask */
6208 (FILE_SHARE_READ | /* share_access */
6210 FILE_OPEN, /* create_disposition*/
6211 create_options, /* create_options */
6212 posix_pathnames ? FILE_FLAG_POSIX_SEMANTICS|0777 : 0, /* file_attributes */
6213 0, /* oplock_request */
6214 0, /* allocation_size */
6220 if (!NT_STATUS_IS_OK(status)) {
6221 DEBUG(3,("rename_internals: SMB_VFS_CREATE_FILE "
6222 "returned %s rename %s -> %s\n",
6224 smb_fname_str_dbg(smb_fname_src),
6225 smb_fname_str_dbg(smb_fname_dst)));
6229 smb_fname_dst->original_lcomp = talloc_strdup(smb_fname_dst,
6231 if (!smb_fname_dst->original_lcomp) {
6232 status = NT_STATUS_NO_MEMORY;
6236 status = rename_internals_fsp(conn, fsp, smb_fname_dst,
6237 attrs, replace_if_exists);
6239 close_file(req, fsp, NORMAL_CLOSE);
6241 if (!NT_STATUS_IS_OK(status)) {
6242 DEBUG(3, ("rename_internals_fsp returned %s for "
6243 "rename %s -> %s\n", nt_errstr(status),
6244 smb_fname_str_dbg(smb_fname_src),
6245 smb_fname_str_dbg(smb_fname_dst)));
6251 DEBUG(3,("rename_internals: doing rename on %s -> "
6252 "%s\n", smb_fname_str_dbg(smb_fname_src),
6253 smb_fname_str_dbg(smb_fname_src)));
6254 TALLOC_FREE(talloced);
6256 TALLOC_FREE(dir_hnd);
6258 if (count == 0 && NT_STATUS_IS_OK(status) && errno != 0) {
6259 status = map_nt_error_from_unix(errno);
6263 TALLOC_FREE(talloced);
6264 TALLOC_FREE(fname_src_dir);
6265 TALLOC_FREE(fname_src_mask);
6269 /****************************************************************************
6271 ****************************************************************************/
6273 void reply_mv(struct smb_request *req)
6275 connection_struct *conn = req->conn;
6277 char *newname = NULL;
6281 bool src_has_wcard = False;
6282 bool dest_has_wcard = False;
6283 TALLOC_CTX *ctx = talloc_tos();
6284 struct smb_filename *smb_fname_src = NULL;
6285 struct smb_filename *smb_fname_dst = NULL;
6287 START_PROFILE(SMBmv);
6290 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6294 attrs = SVAL(req->vwv+0, 0);
6296 p = (const char *)req->buf + 1;
6297 p += srvstr_get_path_req_wcard(ctx, req, &name, p, STR_TERMINATE,
6298 &status, &src_has_wcard);
6299 if (!NT_STATUS_IS_OK(status)) {
6300 reply_nterror(req, status);
6304 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
6305 &status, &dest_has_wcard);
6306 if (!NT_STATUS_IS_OK(status)) {
6307 reply_nterror(req, status);
6311 status = filename_convert(ctx,
6313 req->flags2 & FLAGS2_DFS_PATHNAMES,
6315 UCF_COND_ALLOW_WCARD_LCOMP,
6319 if (!NT_STATUS_IS_OK(status)) {
6320 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6321 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6322 ERRSRV, ERRbadpath);
6325 reply_nterror(req, status);
6329 status = filename_convert(ctx,
6331 req->flags2 & FLAGS2_DFS_PATHNAMES,
6333 UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP,
6337 if (!NT_STATUS_IS_OK(status)) {
6338 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6339 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6340 ERRSRV, ERRbadpath);
6343 reply_nterror(req, status);
6347 DEBUG(3,("reply_mv : %s -> %s\n", smb_fname_str_dbg(smb_fname_src),
6348 smb_fname_str_dbg(smb_fname_dst)));
6350 status = rename_internals(ctx, conn, req, smb_fname_src, smb_fname_dst,
6351 attrs, False, src_has_wcard, dest_has_wcard,
6353 if (!NT_STATUS_IS_OK(status)) {
6354 if (open_was_deferred(req->mid)) {
6355 /* We have re-scheduled this call. */
6358 reply_nterror(req, status);
6362 reply_outbuf(req, 0, 0);
6364 TALLOC_FREE(smb_fname_src);
6365 TALLOC_FREE(smb_fname_dst);
6370 /*******************************************************************
6371 Copy a file as part of a reply_copy.
6372 ******************************************************************/
6375 * TODO: check error codes on all callers
6378 NTSTATUS copy_file(TALLOC_CTX *ctx,
6379 connection_struct *conn,
6380 struct smb_filename *smb_fname_src,
6381 struct smb_filename *smb_fname_dst,
6384 bool target_is_directory)
6386 struct smb_filename *smb_fname_dst_tmp = NULL;
6388 files_struct *fsp1,*fsp2;
6390 uint32 new_create_disposition;
6394 status = copy_smb_filename(ctx, smb_fname_dst, &smb_fname_dst_tmp);
6395 if (!NT_STATUS_IS_OK(status)) {
6400 * If the target is a directory, extract the last component from the
6401 * src filename and append it to the dst filename
6403 if (target_is_directory) {
6406 /* dest/target can't be a stream if it's a directory. */
6407 SMB_ASSERT(smb_fname_dst->stream_name == NULL);
6409 p = strrchr_m(smb_fname_src->base_name,'/');
6413 p = smb_fname_src->base_name;
6415 smb_fname_dst_tmp->base_name =
6416 talloc_asprintf_append(smb_fname_dst_tmp->base_name, "/%s",
6418 if (!smb_fname_dst_tmp->base_name) {
6419 status = NT_STATUS_NO_MEMORY;
6424 status = vfs_file_exist(conn, smb_fname_src);
6425 if (!NT_STATUS_IS_OK(status)) {
6429 if (!target_is_directory && count) {
6430 new_create_disposition = FILE_OPEN;
6432 if (!map_open_params_to_ntcreate(smb_fname_dst_tmp->base_name,
6435 &new_create_disposition,
6437 status = NT_STATUS_INVALID_PARAMETER;
6442 /* Open the src file for reading. */
6443 status = SMB_VFS_CREATE_FILE(
6446 0, /* root_dir_fid */
6447 smb_fname_src, /* fname */
6448 FILE_GENERIC_READ, /* access_mask */
6449 FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
6450 FILE_OPEN, /* create_disposition*/
6451 0, /* create_options */
6452 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
6453 INTERNAL_OPEN_ONLY, /* oplock_request */
6454 0, /* allocation_size */
6460 if (!NT_STATUS_IS_OK(status)) {
6464 dosattrs = dos_mode(conn, smb_fname_src);
6466 if (SMB_VFS_STAT(conn, smb_fname_dst_tmp) == -1) {
6467 ZERO_STRUCTP(&smb_fname_dst_tmp->st);
6470 /* Open the dst file for writing. */
6471 status = SMB_VFS_CREATE_FILE(
6474 0, /* root_dir_fid */
6475 smb_fname_dst, /* fname */
6476 FILE_GENERIC_WRITE, /* access_mask */
6477 FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
6478 new_create_disposition, /* create_disposition*/
6479 0, /* create_options */
6480 dosattrs, /* file_attributes */
6481 INTERNAL_OPEN_ONLY, /* oplock_request */
6482 0, /* allocation_size */
6488 if (!NT_STATUS_IS_OK(status)) {
6489 close_file(NULL, fsp1, ERROR_CLOSE);
6493 if ((ofun&3) == 1) {
6494 if(SMB_VFS_LSEEK(fsp2,0,SEEK_END) == -1) {
6495 DEBUG(0,("copy_file: error - vfs lseek returned error %s\n", strerror(errno) ));
6497 * Stop the copy from occurring.
6500 smb_fname_src->st.st_ex_size = 0;
6504 /* Do the actual copy. */
6505 if (smb_fname_src->st.st_ex_size) {
6506 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
6509 close_file(NULL, fsp1, NORMAL_CLOSE);
6511 /* Ensure the modtime is set correctly on the destination file. */
6512 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
6515 * As we are opening fsp1 read-only we only expect
6516 * an error on close on fsp2 if we are out of space.
6517 * Thus we don't look at the error return from the
6520 status = close_file(NULL, fsp2, NORMAL_CLOSE);
6522 if (!NT_STATUS_IS_OK(status)) {
6526 if (ret != (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
6527 status = NT_STATUS_DISK_FULL;
6531 status = NT_STATUS_OK;
6534 TALLOC_FREE(smb_fname_dst_tmp);
6538 /****************************************************************************
6539 Reply to a file copy.
6540 ****************************************************************************/
6542 void reply_copy(struct smb_request *req)
6544 connection_struct *conn = req->conn;
6545 struct smb_filename *smb_fname_src = NULL;
6546 struct smb_filename *smb_fname_dst = NULL;
6547 char *fname_src = NULL;
6548 char *fname_dst = NULL;
6549 char *fname_src_mask = NULL;
6550 char *fname_src_dir = NULL;
6553 int error = ERRnoaccess;
6557 bool target_is_directory=False;
6558 bool source_has_wild = False;
6559 bool dest_has_wild = False;
6561 TALLOC_CTX *ctx = talloc_tos();
6563 START_PROFILE(SMBcopy);
6566 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6570 tid2 = SVAL(req->vwv+0, 0);
6571 ofun = SVAL(req->vwv+1, 0);
6572 flags = SVAL(req->vwv+2, 0);
6574 p = (const char *)req->buf;
6575 p += srvstr_get_path_req_wcard(ctx, req, &fname_src, p, STR_TERMINATE,
6576 &status, &source_has_wild);
6577 if (!NT_STATUS_IS_OK(status)) {
6578 reply_nterror(req, status);
6581 p += srvstr_get_path_req_wcard(ctx, req, &fname_dst, p, STR_TERMINATE,
6582 &status, &dest_has_wild);
6583 if (!NT_STATUS_IS_OK(status)) {
6584 reply_nterror(req, status);
6588 DEBUG(3,("reply_copy : %s -> %s\n", fname_src, fname_dst));
6590 if (tid2 != conn->cnum) {
6591 /* can't currently handle inter share copies XXXX */
6592 DEBUG(3,("Rejecting inter-share copy\n"));
6593 reply_nterror(req, NT_STATUS_BAD_DEVICE_TYPE);
6597 status = filename_convert(ctx, conn,
6598 req->flags2 & FLAGS2_DFS_PATHNAMES,
6600 UCF_COND_ALLOW_WCARD_LCOMP,
6603 if (!NT_STATUS_IS_OK(status)) {
6604 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6605 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6606 ERRSRV, ERRbadpath);
6609 reply_nterror(req, status);
6613 status = filename_convert(ctx, conn,
6614 req->flags2 & FLAGS2_DFS_PATHNAMES,
6616 UCF_COND_ALLOW_WCARD_LCOMP,
6619 if (!NT_STATUS_IS_OK(status)) {
6620 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6621 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6622 ERRSRV, ERRbadpath);
6625 reply_nterror(req, status);
6629 target_is_directory = VALID_STAT_OF_DIR(smb_fname_dst->st);
6631 if ((flags&1) && target_is_directory) {
6632 reply_nterror(req, NT_STATUS_NO_SUCH_FILE);
6636 if ((flags&2) && !target_is_directory) {
6637 reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
6641 if ((flags&(1<<5)) && VALID_STAT_OF_DIR(smb_fname_src->st)) {
6642 /* wants a tree copy! XXXX */
6643 DEBUG(3,("Rejecting tree copy\n"));
6644 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6648 /* Split up the directory from the filename/mask. */
6649 status = split_fname_dir_mask(ctx, smb_fname_src->base_name,
6650 &fname_src_dir, &fname_src_mask);
6651 if (!NT_STATUS_IS_OK(status)) {
6652 reply_nterror(req, NT_STATUS_NO_MEMORY);
6657 * We should only check the mangled cache
6658 * here if unix_convert failed. This means
6659 * that the path in 'mask' doesn't exist
6660 * on the file system and so we need to look
6661 * for a possible mangle. This patch from
6662 * Tine Smukavec <valentin.smukavec@hermes.si>.
6664 if (!VALID_STAT(smb_fname_src->st) &&
6665 mangle_is_mangled(fname_src_mask, conn->params)) {
6666 char *new_mask = NULL;
6667 mangle_lookup_name_from_8_3(ctx, fname_src_mask,
6668 &new_mask, conn->params);
6670 /* Use demangled name if one was successfully found. */
6672 TALLOC_FREE(fname_src_mask);
6673 fname_src_mask = new_mask;
6677 if (!source_has_wild) {
6680 * Only one file needs to be copied. Append the mask back onto
6683 TALLOC_FREE(smb_fname_src->base_name);
6684 smb_fname_src->base_name = talloc_asprintf(smb_fname_src,
6688 if (!smb_fname_src->base_name) {
6689 reply_nterror(req, NT_STATUS_NO_MEMORY);
6693 if (dest_has_wild) {
6694 char *fname_dst_mod = NULL;
6695 if (!resolve_wildcards(smb_fname_dst,
6696 smb_fname_src->base_name,
6697 smb_fname_dst->base_name,
6699 reply_nterror(req, NT_STATUS_NO_MEMORY);
6702 TALLOC_FREE(smb_fname_dst->base_name);
6703 smb_fname_dst->base_name = fname_dst_mod;
6706 status = check_name(conn, smb_fname_src->base_name);
6707 if (!NT_STATUS_IS_OK(status)) {
6708 reply_nterror(req, status);
6712 status = check_name(conn, smb_fname_dst->base_name);
6713 if (!NT_STATUS_IS_OK(status)) {
6714 reply_nterror(req, status);
6718 status = copy_file(ctx, conn, smb_fname_src, smb_fname_dst,
6719 ofun, count, target_is_directory);
6721 if(!NT_STATUS_IS_OK(status)) {
6722 reply_nterror(req, status);
6728 struct smb_Dir *dir_hnd = NULL;
6729 const char *dname = NULL;
6730 char *talloced = NULL;
6734 * There is a wildcard that requires us to actually read the
6735 * src dir and copy each file matching the mask to the dst.
6736 * Right now streams won't be copied, but this could
6737 * presumably be added with a nested loop for reach dir entry.
6739 SMB_ASSERT(!smb_fname_src->stream_name);
6740 SMB_ASSERT(!smb_fname_dst->stream_name);
6742 smb_fname_src->stream_name = NULL;
6743 smb_fname_dst->stream_name = NULL;
6745 if (strequal(fname_src_mask,"????????.???")) {
6746 TALLOC_FREE(fname_src_mask);
6747 fname_src_mask = talloc_strdup(ctx, "*");
6748 if (!fname_src_mask) {
6749 reply_nterror(req, NT_STATUS_NO_MEMORY);
6754 status = check_name(conn, fname_src_dir);
6755 if (!NT_STATUS_IS_OK(status)) {
6756 reply_nterror(req, status);
6760 dir_hnd = OpenDir(ctx, conn, fname_src_dir, fname_src_mask, 0);
6761 if (dir_hnd == NULL) {
6762 status = map_nt_error_from_unix(errno);
6763 reply_nterror(req, status);
6769 /* Iterate over the src dir copying each entry to the dst. */
6770 while ((dname = ReadDirName(dir_hnd, &offset,
6771 &smb_fname_src->st, &talloced))) {
6772 char *destname = NULL;
6774 if (ISDOT(dname) || ISDOTDOT(dname)) {
6775 TALLOC_FREE(talloced);
6779 if (!is_visible_file(conn, fname_src_dir, dname,
6780 &smb_fname_src->st, false)) {
6781 TALLOC_FREE(talloced);
6785 if(!mask_match(dname, fname_src_mask,
6786 conn->case_sensitive)) {
6787 TALLOC_FREE(talloced);
6791 error = ERRnoaccess;
6793 /* Get the src smb_fname struct setup. */
6794 TALLOC_FREE(smb_fname_src->base_name);
6795 smb_fname_src->base_name =
6796 talloc_asprintf(smb_fname_src, "%s/%s",
6797 fname_src_dir, dname);
6799 if (!smb_fname_src->base_name) {
6800 TALLOC_FREE(dir_hnd);
6801 TALLOC_FREE(talloced);
6802 reply_nterror(req, NT_STATUS_NO_MEMORY);
6806 if (!resolve_wildcards(ctx, smb_fname_src->base_name,
6807 smb_fname_dst->base_name,
6809 TALLOC_FREE(talloced);
6813 TALLOC_FREE(dir_hnd);
6814 TALLOC_FREE(talloced);
6815 reply_nterror(req, NT_STATUS_NO_MEMORY);
6819 TALLOC_FREE(smb_fname_dst->base_name);
6820 smb_fname_dst->base_name = destname;
6822 status = check_name(conn, smb_fname_src->base_name);
6823 if (!NT_STATUS_IS_OK(status)) {
6824 TALLOC_FREE(dir_hnd);
6825 TALLOC_FREE(talloced);
6826 reply_nterror(req, status);
6830 status = check_name(conn, smb_fname_dst->base_name);
6831 if (!NT_STATUS_IS_OK(status)) {
6832 TALLOC_FREE(dir_hnd);
6833 TALLOC_FREE(talloced);
6834 reply_nterror(req, status);
6838 DEBUG(3,("reply_copy : doing copy on %s -> %s\n",
6839 smb_fname_src->base_name,
6840 smb_fname_dst->base_name));
6842 status = copy_file(ctx, conn, smb_fname_src,
6843 smb_fname_dst, ofun, count,
6844 target_is_directory);
6845 if (NT_STATUS_IS_OK(status)) {
6849 TALLOC_FREE(talloced);
6851 TALLOC_FREE(dir_hnd);
6855 reply_nterror(req, dos_to_ntstatus(ERRDOS, error));
6859 reply_outbuf(req, 1, 0);
6860 SSVAL(req->outbuf,smb_vwv0,count);
6862 TALLOC_FREE(smb_fname_src);
6863 TALLOC_FREE(smb_fname_dst);
6864 TALLOC_FREE(fname_src);
6865 TALLOC_FREE(fname_dst);
6866 TALLOC_FREE(fname_src_mask);
6867 TALLOC_FREE(fname_src_dir);
6869 END_PROFILE(SMBcopy);
6874 #define DBGC_CLASS DBGC_LOCKING
6876 /****************************************************************************
6877 Get a lock pid, dealing with large count requests.
6878 ****************************************************************************/
6880 uint32 get_lock_pid(const uint8_t *data, int data_offset,
6881 bool large_file_format)
6883 if(!large_file_format)
6884 return (uint32)SVAL(data,SMB_LPID_OFFSET(data_offset));
6886 return (uint32)SVAL(data,SMB_LARGE_LPID_OFFSET(data_offset));
6889 /****************************************************************************
6890 Get a lock count, dealing with large count requests.
6891 ****************************************************************************/
6893 uint64_t get_lock_count(const uint8_t *data, int data_offset,
6894 bool large_file_format)
6898 if(!large_file_format) {
6899 count = (uint64_t)IVAL(data,SMB_LKLEN_OFFSET(data_offset));
6902 #if defined(HAVE_LONGLONG)
6903 count = (((uint64_t) IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset))) << 32) |
6904 ((uint64_t) IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)));
6905 #else /* HAVE_LONGLONG */
6908 * NT4.x seems to be broken in that it sends large file (64 bit)
6909 * lockingX calls even if the CAP_LARGE_FILES was *not*
6910 * negotiated. For boxes without large unsigned ints truncate the
6911 * lock count by dropping the top 32 bits.
6914 if(IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)) != 0) {
6915 DEBUG(3,("get_lock_count: truncating lock count (high)0x%x (low)0x%x to just low count.\n",
6916 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)),
6917 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)) ));
6918 SIVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset),0);
6921 count = (uint64_t)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset));
6922 #endif /* HAVE_LONGLONG */
6928 #if !defined(HAVE_LONGLONG)
6929 /****************************************************************************
6930 Pathetically try and map a 64 bit lock offset into 31 bits. I hate Windows :-).
6931 ****************************************************************************/
6933 static uint32 map_lock_offset(uint32 high, uint32 low)
6937 uint32 highcopy = high;
6940 * Try and find out how many significant bits there are in high.
6943 for(i = 0; highcopy; i++)
6947 * We use 31 bits not 32 here as POSIX
6948 * lock offsets may not be negative.
6951 mask = (~0) << (31 - i);
6954 return 0; /* Fail. */
6960 #endif /* !defined(HAVE_LONGLONG) */
6962 /****************************************************************************
6963 Get a lock offset, dealing with large offset requests.
6964 ****************************************************************************/
6966 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
6967 bool large_file_format, bool *err)
6969 uint64_t offset = 0;
6973 if(!large_file_format) {
6974 offset = (uint64_t)IVAL(data,SMB_LKOFF_OFFSET(data_offset));
6977 #if defined(HAVE_LONGLONG)
6978 offset = (((uint64_t) IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset))) << 32) |
6979 ((uint64_t) IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset)));
6980 #else /* HAVE_LONGLONG */
6983 * NT4.x seems to be broken in that it sends large file (64 bit)
6984 * lockingX calls even if the CAP_LARGE_FILES was *not*
6985 * negotiated. For boxes without large unsigned ints mangle the
6986 * lock offset by mapping the top 32 bits onto the lower 32.
6989 if(IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset)) != 0) {
6990 uint32 low = IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
6991 uint32 high = IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset));
6994 if((new_low = map_lock_offset(high, low)) == 0) {
6996 return (uint64_t)-1;
6999 DEBUG(3,("get_lock_offset: truncating lock offset (high)0x%x (low)0x%x to offset 0x%x.\n",
7000 (unsigned int)high, (unsigned int)low, (unsigned int)new_low ));
7001 SIVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset),0);
7002 SIVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset),new_low);
7005 offset = (uint64_t)IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
7006 #endif /* HAVE_LONGLONG */
7012 NTSTATUS smbd_do_locking(struct smb_request *req,
7016 uint16_t num_ulocks,
7017 struct smbd_lock_element *ulocks,
7019 struct smbd_lock_element *locks,
7022 connection_struct *conn = req->conn;
7024 NTSTATUS status = NT_STATUS_OK;
7028 /* Data now points at the beginning of the list
7029 of smb_unlkrng structs */
7030 for(i = 0; i < (int)num_ulocks; i++) {
7031 struct smbd_lock_element *e = &ulocks[i];
7033 DEBUG(10,("smbd_do_locking: unlock start=%.0f, len=%.0f for "
7034 "pid %u, file %s\n",
7037 (unsigned int)e->smbpid,
7040 if (e->brltype != UNLOCK_LOCK) {
7041 /* this can only happen with SMB2 */
7042 return NT_STATUS_INVALID_PARAMETER;
7045 status = do_unlock(smbd_messaging_context(),
7052 DEBUG(10, ("smbd_do_locking: unlock returned %s\n",
7053 nt_errstr(status)));
7055 if (!NT_STATUS_IS_OK(status)) {
7060 /* Setup the timeout in seconds. */
7062 if (!lp_blocking_locks(SNUM(conn))) {
7066 /* Data now points at the beginning of the list
7067 of smb_lkrng structs */
7069 for(i = 0; i < (int)num_locks; i++) {
7070 struct smbd_lock_element *e = &locks[i];
7072 DEBUG(10,("smbd_do_locking: lock start=%.0f, len=%.0f for pid "
7073 "%u, file %s timeout = %d\n",
7076 (unsigned int)e->smbpid,
7080 if (type & LOCKING_ANDX_CANCEL_LOCK) {
7081 struct blocking_lock_record *blr = NULL;
7083 if (num_locks > 1) {
7085 * MS-CIFS (2.2.4.32.1) states that a cancel is honored if and only
7086 * if the lock vector contains one entry. When given mutliple cancel
7087 * requests in a single PDU we expect the server to return an
7088 * error. Windows servers seem to accept the request but only
7089 * cancel the first lock.
7090 * JRA - Do what Windows does (tm) :-).
7094 /* MS-CIFS (2.2.4.32.1) behavior. */
7095 return NT_STATUS_DOS(ERRDOS,
7096 ERRcancelviolation);
7098 /* Windows behavior. */
7100 DEBUG(10,("smbd_do_locking: ignoring subsequent "
7101 "cancel request\n"));
7107 if (lp_blocking_locks(SNUM(conn))) {
7109 /* Schedule a message to ourselves to
7110 remove the blocking lock record and
7111 return the right error. */
7113 blr = blocking_lock_cancel(fsp,
7119 NT_STATUS_FILE_LOCK_CONFLICT);
7121 return NT_STATUS_DOS(
7123 ERRcancelviolation);
7126 /* Remove a matching pending lock. */
7127 status = do_lock_cancel(fsp,
7134 bool blocking_lock = timeout ? true : false;
7135 bool defer_lock = false;
7136 struct byte_range_lock *br_lck;
7137 uint32_t block_smbpid;
7139 br_lck = do_lock(smbd_messaging_context(),
7151 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
7152 /* Windows internal resolution for blocking locks seems
7153 to be about 200ms... Don't wait for less than that. JRA. */
7154 if (timeout != -1 && timeout < lp_lock_spin_time()) {
7155 timeout = lp_lock_spin_time();
7160 /* If a lock sent with timeout of zero would fail, and
7161 * this lock has been requested multiple times,
7162 * according to brl_lock_failed() we convert this
7163 * request to a blocking lock with a timeout of between
7164 * 150 - 300 milliseconds.
7166 * If lp_lock_spin_time() has been set to 0, we skip
7167 * this blocking retry and fail immediately.
7169 * Replacement for do_lock_spin(). JRA. */
7171 if (br_lck && lp_blocking_locks(SNUM(conn)) &&
7172 lp_lock_spin_time() && !blocking_lock &&
7173 NT_STATUS_EQUAL((status),
7174 NT_STATUS_FILE_LOCK_CONFLICT))
7177 timeout = lp_lock_spin_time();
7180 if (br_lck && defer_lock) {
7182 * A blocking lock was requested. Package up
7183 * this smb into a queued request and push it
7184 * onto the blocking lock queue.
7186 if(push_blocking_lock_request(br_lck,
7197 TALLOC_FREE(br_lck);
7199 return NT_STATUS_OK;
7203 TALLOC_FREE(br_lck);
7206 if (!NT_STATUS_IS_OK(status)) {
7211 /* If any of the above locks failed, then we must unlock
7212 all of the previous locks (X/Open spec). */
7214 if (num_locks != 0 && !NT_STATUS_IS_OK(status)) {
7216 if (type & LOCKING_ANDX_CANCEL_LOCK) {
7217 i = -1; /* we want to skip the for loop */
7221 * Ensure we don't do a remove on the lock that just failed,
7222 * as under POSIX rules, if we have a lock already there, we
7223 * will delete it (and we shouldn't) .....
7225 for(i--; i >= 0; i--) {
7226 struct smbd_lock_element *e = &locks[i];
7228 do_unlock(smbd_messaging_context(),
7238 DEBUG(3, ("smbd_do_locking: fnum=%d type=%d num_locks=%d num_ulocks=%d\n",
7239 fsp->fnum, (unsigned int)type, num_locks, num_ulocks));
7241 return NT_STATUS_OK;
7244 /****************************************************************************
7245 Reply to a lockingX request.
7246 ****************************************************************************/
7248 void reply_lockingX(struct smb_request *req)
7250 connection_struct *conn = req->conn;
7252 unsigned char locktype;
7253 unsigned char oplocklevel;
7258 const uint8_t *data;
7259 bool large_file_format;
7261 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
7262 struct smbd_lock_element *ulocks;
7263 struct smbd_lock_element *locks;
7266 START_PROFILE(SMBlockingX);
7269 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7270 END_PROFILE(SMBlockingX);
7274 fsp = file_fsp(req, SVAL(req->vwv+2, 0));
7275 locktype = CVAL(req->vwv+3, 0);
7276 oplocklevel = CVAL(req->vwv+3, 1);
7277 num_ulocks = SVAL(req->vwv+6, 0);
7278 num_locks = SVAL(req->vwv+7, 0);
7279 lock_timeout = IVAL(req->vwv+4, 0);
7280 large_file_format = (locktype & LOCKING_ANDX_LARGE_FILES)?True:False;
7282 if (!check_fsp(conn, req, fsp)) {
7283 END_PROFILE(SMBlockingX);
7289 if (locktype & LOCKING_ANDX_CHANGE_LOCKTYPE) {
7290 /* we don't support these - and CANCEL_LOCK makes w2k
7291 and XP reboot so I don't really want to be
7292 compatible! (tridge) */
7293 reply_force_doserror(req, ERRDOS, ERRnoatomiclocks);
7294 END_PROFILE(SMBlockingX);
7298 /* Check if this is an oplock break on a file
7299 we have granted an oplock on.
7301 if ((locktype & LOCKING_ANDX_OPLOCK_RELEASE)) {
7302 /* Client can insist on breaking to none. */
7303 bool break_to_none = (oplocklevel == 0);
7306 DEBUG(5,("reply_lockingX: oplock break reply (%u) from client "
7307 "for fnum = %d\n", (unsigned int)oplocklevel,
7311 * Make sure we have granted an exclusive or batch oplock on
7315 if (fsp->oplock_type == 0) {
7317 /* The Samba4 nbench simulator doesn't understand
7318 the difference between break to level2 and break
7319 to none from level2 - it sends oplock break
7320 replies in both cases. Don't keep logging an error
7321 message here - just ignore it. JRA. */
7323 DEBUG(5,("reply_lockingX: Error : oplock break from "
7324 "client for fnum = %d (oplock=%d) and no "
7325 "oplock granted on this file (%s).\n",
7326 fsp->fnum, fsp->oplock_type,
7329 /* if this is a pure oplock break request then don't
7331 if (num_locks == 0 && num_ulocks == 0) {
7332 END_PROFILE(SMBlockingX);
7335 END_PROFILE(SMBlockingX);
7336 reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
7341 if ((fsp->sent_oplock_break == BREAK_TO_NONE_SENT) ||
7343 result = remove_oplock(fsp);
7345 result = downgrade_oplock(fsp);
7349 DEBUG(0, ("reply_lockingX: error in removing "
7350 "oplock on file %s\n", fsp_str_dbg(fsp)));
7351 /* Hmmm. Is this panic justified? */
7352 smb_panic("internal tdb error");
7355 reply_to_oplock_break_requests(fsp);
7357 /* if this is a pure oplock break request then don't send a
7359 if (num_locks == 0 && num_ulocks == 0) {
7360 /* Sanity check - ensure a pure oplock break is not a
7362 if(CVAL(req->vwv+0, 0) != 0xff)
7363 DEBUG(0,("reply_lockingX: Error : pure oplock "
7364 "break is a chained %d request !\n",
7365 (unsigned int)CVAL(req->vwv+0, 0)));
7366 END_PROFILE(SMBlockingX);
7372 (num_ulocks + num_locks) * (large_file_format ? 20 : 10)) {
7373 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7374 END_PROFILE(SMBlockingX);
7378 ulocks = talloc_array(req, struct smbd_lock_element, num_ulocks);
7379 if (ulocks == NULL) {
7380 reply_nterror(req, NT_STATUS_NO_MEMORY);
7381 END_PROFILE(SMBlockingX);
7385 locks = talloc_array(req, struct smbd_lock_element, num_locks);
7386 if (locks == NULL) {
7387 reply_nterror(req, NT_STATUS_NO_MEMORY);
7388 END_PROFILE(SMBlockingX);
7392 /* Data now points at the beginning of the list
7393 of smb_unlkrng structs */
7394 for(i = 0; i < (int)num_ulocks; i++) {
7395 ulocks[i].smbpid = get_lock_pid(data, i, large_file_format);
7396 ulocks[i].count = get_lock_count(data, i, large_file_format);
7397 ulocks[i].offset = get_lock_offset(data, i, large_file_format, &err);
7398 ulocks[i].brltype = UNLOCK_LOCK;
7401 * There is no error code marked "stupid client bug".... :-).
7404 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
7405 END_PROFILE(SMBlockingX);
7410 /* Now do any requested locks */
7411 data += ((large_file_format ? 20 : 10)*num_ulocks);
7413 /* Data now points at the beginning of the list
7414 of smb_lkrng structs */
7416 for(i = 0; i < (int)num_locks; i++) {
7417 locks[i].smbpid = get_lock_pid(data, i, large_file_format);
7418 locks[i].count = get_lock_count(data, i, large_file_format);
7419 locks[i].offset = get_lock_offset(data, i, large_file_format, &err);
7421 if (locktype & LOCKING_ANDX_SHARED_LOCK) {
7422 if (locktype & LOCKING_ANDX_CANCEL_LOCK) {
7423 locks[i].brltype = PENDING_READ_LOCK;
7425 locks[i].brltype = READ_LOCK;
7428 if (locktype & LOCKING_ANDX_CANCEL_LOCK) {
7429 locks[i].brltype = PENDING_WRITE_LOCK;
7431 locks[i].brltype = WRITE_LOCK;
7436 * There is no error code marked "stupid client bug".... :-).
7439 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
7440 END_PROFILE(SMBlockingX);
7445 status = smbd_do_locking(req, fsp,
7446 locktype, lock_timeout,
7450 if (!NT_STATUS_IS_OK(status)) {
7451 END_PROFILE(SMBlockingX);
7452 reply_nterror(req, status);
7456 END_PROFILE(SMBlockingX);
7460 reply_outbuf(req, 2, 0);
7462 DEBUG(3, ("lockingX fnum=%d type=%d num_locks=%d num_ulocks=%d\n",
7463 fsp->fnum, (unsigned int)locktype, num_locks, num_ulocks));
7465 END_PROFILE(SMBlockingX);
7470 #define DBGC_CLASS DBGC_ALL
7472 /****************************************************************************
7473 Reply to a SMBreadbmpx (read block multiplex) request.
7474 Always reply with an error, if someone has a platform really needs this,
7475 please contact vl@samba.org
7476 ****************************************************************************/
7478 void reply_readbmpx(struct smb_request *req)
7480 START_PROFILE(SMBreadBmpx);
7481 reply_force_doserror(req, ERRSRV, ERRuseSTD);
7482 END_PROFILE(SMBreadBmpx);
7486 /****************************************************************************
7487 Reply to a SMBreadbs (read block multiplex secondary) request.
7488 Always reply with an error, if someone has a platform really needs this,
7489 please contact vl@samba.org
7490 ****************************************************************************/
7492 void reply_readbs(struct smb_request *req)
7494 START_PROFILE(SMBreadBs);
7495 reply_force_doserror(req, ERRSRV, ERRuseSTD);
7496 END_PROFILE(SMBreadBs);
7500 /****************************************************************************
7501 Reply to a SMBsetattrE.
7502 ****************************************************************************/
7504 void reply_setattrE(struct smb_request *req)
7506 connection_struct *conn = req->conn;
7507 struct smb_file_time ft;
7511 START_PROFILE(SMBsetattrE);
7515 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7519 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
7521 if(!fsp || (fsp->conn != conn)) {
7522 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
7527 * Convert the DOS times into unix times.
7530 ft.atime = convert_time_t_to_timespec(
7531 srv_make_unix_date2(req->vwv+3));
7532 ft.mtime = convert_time_t_to_timespec(
7533 srv_make_unix_date2(req->vwv+5));
7534 ft.create_time = convert_time_t_to_timespec(
7535 srv_make_unix_date2(req->vwv+1));
7537 reply_outbuf(req, 0, 0);
7540 * Patch from Ray Frush <frush@engr.colostate.edu>
7541 * Sometimes times are sent as zero - ignore them.
7544 /* Ensure we have a valid stat struct for the source. */
7545 status = vfs_stat_fsp(fsp);
7546 if (!NT_STATUS_IS_OK(status)) {
7547 reply_nterror(req, status);
7551 status = smb_set_file_time(conn, fsp, fsp->fsp_name, &ft, true);
7552 if (!NT_STATUS_IS_OK(status)) {
7553 reply_nterror(req, status);
7557 DEBUG( 3, ( "reply_setattrE fnum=%d actime=%u modtime=%u "
7560 (unsigned int)ft.atime.tv_sec,
7561 (unsigned int)ft.mtime.tv_sec,
7562 (unsigned int)ft.create_time.tv_sec
7565 END_PROFILE(SMBsetattrE);
7570 /* Back from the dead for OS/2..... JRA. */
7572 /****************************************************************************
7573 Reply to a SMBwritebmpx (write block multiplex primary) request.
7574 Always reply with an error, if someone has a platform really needs this,
7575 please contact vl@samba.org
7576 ****************************************************************************/
7578 void reply_writebmpx(struct smb_request *req)
7580 START_PROFILE(SMBwriteBmpx);
7581 reply_force_doserror(req, ERRSRV, ERRuseSTD);
7582 END_PROFILE(SMBwriteBmpx);
7586 /****************************************************************************
7587 Reply to a SMBwritebs (write block multiplex secondary) request.
7588 Always reply with an error, if someone has a platform really needs this,
7589 please contact vl@samba.org
7590 ****************************************************************************/
7592 void reply_writebs(struct smb_request *req)
7594 START_PROFILE(SMBwriteBs);
7595 reply_force_doserror(req, ERRSRV, ERRuseSTD);
7596 END_PROFILE(SMBwriteBs);
7600 /****************************************************************************
7601 Reply to a SMBgetattrE.
7602 ****************************************************************************/
7604 void reply_getattrE(struct smb_request *req)
7606 connection_struct *conn = req->conn;
7609 struct timespec create_ts;
7611 START_PROFILE(SMBgetattrE);
7614 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7615 END_PROFILE(SMBgetattrE);
7619 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
7621 if(!fsp || (fsp->conn != conn)) {
7622 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
7623 END_PROFILE(SMBgetattrE);
7627 /* Do an fstat on this file */
7629 reply_nterror(req, map_nt_error_from_unix(errno));
7630 END_PROFILE(SMBgetattrE);
7634 mode = dos_mode(conn, fsp->fsp_name);
7637 * Convert the times into dos times. Set create
7638 * date to be last modify date as UNIX doesn't save
7642 reply_outbuf(req, 11, 0);
7644 create_ts = get_create_timespec(conn, fsp, fsp->fsp_name);
7645 srv_put_dos_date2((char *)req->outbuf, smb_vwv0, create_ts.tv_sec);
7646 srv_put_dos_date2((char *)req->outbuf, smb_vwv2,
7647 convert_timespec_to_time_t(fsp->fsp_name->st.st_ex_atime));
7648 /* Should we check pending modtime here ? JRA */
7649 srv_put_dos_date2((char *)req->outbuf, smb_vwv4,
7650 convert_timespec_to_time_t(fsp->fsp_name->st.st_ex_mtime));
7653 SIVAL(req->outbuf, smb_vwv6, 0);
7654 SIVAL(req->outbuf, smb_vwv8, 0);
7656 uint32 allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn,fsp, &fsp->fsp_name->st);
7657 SIVAL(req->outbuf, smb_vwv6, (uint32)fsp->fsp_name->st.st_ex_size);
7658 SIVAL(req->outbuf, smb_vwv8, allocation_size);
7660 SSVAL(req->outbuf,smb_vwv10, mode);
7662 DEBUG( 3, ( "reply_getattrE fnum=%d\n", fsp->fnum));
7664 END_PROFILE(SMBgetattrE);