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 extern enum protocol_types Protocol;
32 /****************************************************************************
33 Ensure we check the path in *exactly* the same way as W2K for a findfirst/findnext
34 path or anything including wildcards.
35 We're assuming here that '/' is not the second byte in any multibyte char
36 set (a safe assumption). '\\' *may* be the second byte in a multibyte char
38 ****************************************************************************/
40 /* Custom version for processing POSIX paths. */
41 #define IS_PATH_SEP(c,posix_only) ((c) == '/' || (!(posix_only) && (c) == '\\'))
43 static NTSTATUS check_path_syntax_internal(char *path,
45 bool *p_last_component_contains_wcard)
49 NTSTATUS ret = NT_STATUS_OK;
50 bool start_of_name_component = True;
51 bool stream_started = false;
53 *p_last_component_contains_wcard = False;
60 return NT_STATUS_OBJECT_NAME_INVALID;
63 return NT_STATUS_OBJECT_NAME_INVALID;
65 if (strchr_m(&s[1], ':')) {
66 return NT_STATUS_OBJECT_NAME_INVALID;
68 if (StrCaseCmp(s, ":$DATA") != 0) {
69 return NT_STATUS_INVALID_PARAMETER;
75 if (!posix_path && !stream_started && *s == ':') {
76 if (*p_last_component_contains_wcard) {
77 return NT_STATUS_OBJECT_NAME_INVALID;
79 /* Stream names allow more characters than file names.
80 We're overloading posix_path here to allow a wider
81 range of characters. If stream_started is true this
82 is still a Windows path even if posix_path is true.
85 stream_started = true;
86 start_of_name_component = false;
90 return NT_STATUS_OBJECT_NAME_INVALID;
94 if (!stream_started && IS_PATH_SEP(*s,posix_path)) {
96 * Safe to assume is not the second part of a mb char
97 * as this is handled below.
99 /* Eat multiple '/' or '\\' */
100 while (IS_PATH_SEP(*s,posix_path)) {
103 if ((d != path) && (*s != '\0')) {
104 /* We only care about non-leading or trailing '/' or '\\' */
108 start_of_name_component = True;
110 *p_last_component_contains_wcard = False;
114 if (start_of_name_component) {
115 if ((s[0] == '.') && (s[1] == '.') && (IS_PATH_SEP(s[2],posix_path) || s[2] == '\0')) {
116 /* Uh oh - "/../" or "\\..\\" or "/..\0" or "\\..\0" ! */
119 * No mb char starts with '.' so we're safe checking the directory separator here.
122 /* If we just added a '/' - delete it */
123 if ((d > path) && (*(d-1) == '/')) {
128 /* Are we at the start ? Can't go back further if so. */
130 ret = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
133 /* Go back one level... */
134 /* We know this is safe as '/' cannot be part of a mb sequence. */
135 /* NOTE - if this assumption is invalid we are not in good shape... */
136 /* Decrement d first as d points to the *next* char to write into. */
137 for (d--; d > path; d--) {
141 s += 2; /* Else go past the .. */
142 /* We're still at the start of a name component, just the previous one. */
145 } else if ((s[0] == '.') && ((s[1] == '\0') || IS_PATH_SEP(s[1],posix_path))) {
157 if (*s <= 0x1f || *s == '|') {
158 return NT_STATUS_OBJECT_NAME_INVALID;
166 *p_last_component_contains_wcard = True;
175 /* Get the size of the next MB character. */
176 next_codepoint(s,&siz);
194 DEBUG(0,("check_path_syntax_internal: character length assumptions invalid !\n"));
196 return NT_STATUS_INVALID_PARAMETER;
199 start_of_name_component = False;
207 /****************************************************************************
208 Ensure we check the path in *exactly* the same way as W2K for regular pathnames.
209 No wildcards allowed.
210 ****************************************************************************/
212 NTSTATUS check_path_syntax(char *path)
215 return check_path_syntax_internal(path, False, &ignore);
218 /****************************************************************************
219 Ensure we check the path in *exactly* the same way as W2K for regular pathnames.
220 Wildcards allowed - p_contains_wcard returns true if the last component contained
222 ****************************************************************************/
224 NTSTATUS check_path_syntax_wcard(char *path, bool *p_contains_wcard)
226 return check_path_syntax_internal(path, False, p_contains_wcard);
229 /****************************************************************************
230 Check the path for a POSIX client.
231 We're assuming here that '/' is not the second byte in any multibyte char
232 set (a safe assumption).
233 ****************************************************************************/
235 NTSTATUS check_path_syntax_posix(char *path)
238 return check_path_syntax_internal(path, True, &ignore);
241 /****************************************************************************
242 Pull a string and check the path allowing a wilcard - provide for error return.
243 ****************************************************************************/
245 size_t srvstr_get_path_wcard(TALLOC_CTX *ctx,
246 const char *base_ptr,
253 bool *contains_wcard)
259 ret = srvstr_pull_talloc(ctx, base_ptr, smb_flags2, pp_dest, src,
263 *err = NT_STATUS_INVALID_PARAMETER;
267 *contains_wcard = False;
269 if (smb_flags2 & FLAGS2_DFS_PATHNAMES) {
271 * For a DFS path the function parse_dfs_path()
272 * will do the path processing, just make a copy.
278 if (lp_posix_pathnames()) {
279 *err = check_path_syntax_posix(*pp_dest);
281 *err = check_path_syntax_wcard(*pp_dest, contains_wcard);
287 /****************************************************************************
288 Pull a string and check the path - provide for error return.
289 ****************************************************************************/
291 size_t srvstr_get_path(TALLOC_CTX *ctx,
292 const char *base_ptr,
301 return srvstr_get_path_wcard(ctx, base_ptr, smb_flags2, pp_dest, src,
302 src_len, flags, err, &ignore);
305 size_t srvstr_get_path_req_wcard(TALLOC_CTX *mem_ctx, struct smb_request *req,
306 char **pp_dest, const char *src, int flags,
307 NTSTATUS *err, bool *contains_wcard)
309 return srvstr_get_path_wcard(mem_ctx, (char *)req->inbuf, req->flags2,
310 pp_dest, src, smbreq_bufrem(req, src),
311 flags, err, contains_wcard);
314 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
315 char **pp_dest, const char *src, int flags,
319 return srvstr_get_path_req_wcard(mem_ctx, req, pp_dest, src,
320 flags, err, &ignore);
323 /****************************************************************************
324 Check if we have a correct fsp pointing to a file. Basic check for open fsp.
325 ****************************************************************************/
327 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
330 if (!(fsp) || !(conn)) {
331 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
334 if (((conn) != (fsp)->conn) || req->vuid != (fsp)->vuid) {
335 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
341 /****************************************************************************
342 Check if we have a correct fsp pointing to a file.
343 ****************************************************************************/
345 bool check_fsp(connection_struct *conn, struct smb_request *req,
348 if (!check_fsp_open(conn, req, fsp)) {
351 if ((fsp)->is_directory) {
352 reply_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
355 if ((fsp)->fh->fd == -1) {
356 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
359 (fsp)->num_smb_operations++;
363 /****************************************************************************
364 Check if we have a correct fsp pointing to a quota fake file. Replacement for
365 the CHECK_NTQUOTA_HANDLE_OK macro.
366 ****************************************************************************/
368 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
371 if (!check_fsp_open(conn, req, fsp)) {
375 if (fsp->is_directory) {
379 if (fsp->fake_file_handle == NULL) {
383 if (fsp->fake_file_handle->type != FAKE_FILE_TYPE_QUOTA) {
387 if (fsp->fake_file_handle->private_data == NULL) {
394 /****************************************************************************
395 Check if we have a correct fsp. Replacement for the FSP_BELONGS_CONN macro
396 ****************************************************************************/
398 bool fsp_belongs_conn(connection_struct *conn, struct smb_request *req,
401 if ((fsp) && (conn) && ((conn)==(fsp)->conn)
402 && (req->vuid == (fsp)->vuid)) {
406 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
410 static bool netbios_session_retarget(const char *name, int name_type)
413 char *trim_name_type;
414 const char *retarget_parm;
417 int retarget_type = 0x20;
418 int retarget_port = 139;
419 struct sockaddr_storage retarget_addr;
420 struct sockaddr_in *in_addr;
424 if (get_socket_port(smbd_server_fd()) != 139) {
428 trim_name = talloc_strdup(talloc_tos(), name);
429 if (trim_name == NULL) {
432 trim_char(trim_name, ' ', ' ');
434 trim_name_type = talloc_asprintf(trim_name, "%s#%2.2x", trim_name,
436 if (trim_name_type == NULL) {
440 retarget_parm = lp_parm_const_string(-1, "netbios retarget",
441 trim_name_type, NULL);
442 if (retarget_parm == NULL) {
443 retarget_parm = lp_parm_const_string(-1, "netbios retarget",
446 if (retarget_parm == NULL) {
450 retarget = talloc_strdup(trim_name, retarget_parm);
451 if (retarget == NULL) {
455 DEBUG(10, ("retargeting %s to %s\n", trim_name_type, retarget));
457 p = strchr(retarget, ':');
460 retarget_port = atoi(p);
463 p = strchr_m(retarget, '#');
466 sscanf(p, "%x", &retarget_type);
469 ret = resolve_name(retarget, &retarget_addr, retarget_type);
471 DEBUG(10, ("could not resolve %s\n", retarget));
475 if (retarget_addr.ss_family != AF_INET) {
476 DEBUG(10, ("Retarget target not an IPv4 addr\n"));
480 in_addr = (struct sockaddr_in *)(void *)&retarget_addr;
482 _smb_setlen(outbuf, 6);
483 SCVAL(outbuf, 0, 0x84);
484 *(uint32_t *)(outbuf+4) = in_addr->sin_addr.s_addr;
485 *(uint16_t *)(outbuf+8) = htons(retarget_port);
487 if (!srv_send_smb(smbd_server_fd(), (char *)outbuf, false, 0, false,
489 exit_server_cleanly("netbios_session_regarget: srv_send_smb "
495 TALLOC_FREE(trim_name);
499 /****************************************************************************
500 Reply to a (netbios-level) special message.
501 ****************************************************************************/
503 void reply_special(char *inbuf)
505 int msg_type = CVAL(inbuf,0);
506 int msg_flags = CVAL(inbuf,1);
508 char name_type1, name_type2;
511 * We only really use 4 bytes of the outbuf, but for the smb_setlen
512 * calculation & friends (srv_send_smb uses that) we need the full smb
515 char outbuf[smb_size];
519 memset(outbuf, '\0', sizeof(outbuf));
521 smb_setlen(outbuf,0);
524 case 0x81: /* session request */
526 if (already_got_session) {
527 exit_server_cleanly("multiple session request not permitted");
530 SCVAL(outbuf,0,0x82);
532 if (name_len(inbuf+4) > 50 ||
533 name_len(inbuf+4 + name_len(inbuf + 4)) > 50) {
534 DEBUG(0,("Invalid name length in session request\n"));
537 name_type1 = name_extract(inbuf,4,name1);
538 name_type2 = name_extract(inbuf,4 + name_len(inbuf + 4),name2);
539 DEBUG(2,("netbios connect: name1=%s0x%x name2=%s0x%x\n",
540 name1, name_type1, name2, name_type2));
542 if (netbios_session_retarget(name1, name_type1)) {
543 exit_server_cleanly("retargeted client");
546 set_local_machine_name(name1, True);
547 set_remote_machine_name(name2, True);
549 DEBUG(2,("netbios connect: local=%s remote=%s, name type = %x\n",
550 get_local_machine_name(), get_remote_machine_name(),
553 if (name_type2 == 'R') {
554 /* We are being asked for a pathworks session ---
556 SCVAL(outbuf, 0,0x83);
560 /* only add the client's machine name to the list
561 of possibly valid usernames if we are operating
562 in share mode security */
563 if (lp_security() == SEC_SHARE) {
564 add_session_user(get_remote_machine_name());
567 reload_services(True);
570 already_got_session = True;
573 case 0x89: /* session keepalive request
574 (some old clients produce this?) */
575 SCVAL(outbuf,0,SMBkeepalive);
579 case 0x82: /* positive session response */
580 case 0x83: /* negative session response */
581 case 0x84: /* retarget session response */
582 DEBUG(0,("Unexpected session response\n"));
585 case SMBkeepalive: /* session keepalive */
590 DEBUG(5,("init msg_type=0x%x msg_flags=0x%x\n",
591 msg_type, msg_flags));
593 srv_send_smb(smbd_server_fd(), outbuf, false, 0, false, NULL);
597 /****************************************************************************
599 conn POINTER CAN BE NULL HERE !
600 ****************************************************************************/
602 void reply_tcon(struct smb_request *req)
604 connection_struct *conn = req->conn;
606 char *service_buf = NULL;
607 char *password = NULL;
612 DATA_BLOB password_blob;
613 TALLOC_CTX *ctx = talloc_tos();
615 START_PROFILE(SMBtcon);
617 if (req->buflen < 4) {
618 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
619 END_PROFILE(SMBtcon);
623 p = (const char *)req->buf + 1;
624 p += srvstr_pull_req_talloc(ctx, req, &service_buf, p, STR_TERMINATE);
626 pwlen = srvstr_pull_req_talloc(ctx, req, &password, p, STR_TERMINATE);
628 p += srvstr_pull_req_talloc(ctx, req, &dev, p, STR_TERMINATE);
631 if (service_buf == NULL || password == NULL || dev == NULL) {
632 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
633 END_PROFILE(SMBtcon);
636 p = strrchr_m(service_buf,'\\');
640 service = service_buf;
643 password_blob = data_blob(password, pwlen+1);
645 conn = make_connection(service,password_blob,dev,req->vuid,&nt_status);
648 data_blob_clear_free(&password_blob);
651 reply_nterror(req, nt_status);
652 END_PROFILE(SMBtcon);
656 reply_outbuf(req, 2, 0);
657 SSVAL(req->outbuf,smb_vwv0,max_recv);
658 SSVAL(req->outbuf,smb_vwv1,conn->cnum);
659 SSVAL(req->outbuf,smb_tid,conn->cnum);
661 DEBUG(3,("tcon service=%s cnum=%d\n",
662 service, conn->cnum));
664 END_PROFILE(SMBtcon);
668 /****************************************************************************
669 Reply to a tcon and X.
670 conn POINTER CAN BE NULL HERE !
671 ****************************************************************************/
673 void reply_tcon_and_X(struct smb_request *req)
675 connection_struct *conn = req->conn;
676 const char *service = NULL;
678 TALLOC_CTX *ctx = talloc_tos();
679 /* what the cleint thinks the device is */
680 char *client_devicetype = NULL;
681 /* what the server tells the client the share represents */
682 const char *server_devicetype;
689 START_PROFILE(SMBtconX);
692 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
693 END_PROFILE(SMBtconX);
697 passlen = SVAL(req->vwv+3, 0);
698 tcon_flags = SVAL(req->vwv+2, 0);
700 /* we might have to close an old one */
701 if ((tcon_flags & 0x1) && conn) {
702 close_cnum(conn,req->vuid);
707 if ((passlen > MAX_PASS_LEN) || (passlen >= req->buflen)) {
708 reply_doserror(req, ERRDOS, ERRbuftoosmall);
709 END_PROFILE(SMBtconX);
713 if (global_encrypted_passwords_negotiated) {
714 password = data_blob_talloc(talloc_tos(), req->buf, passlen);
715 if (lp_security() == SEC_SHARE) {
717 * Security = share always has a pad byte
718 * after the password.
720 p = (const char *)req->buf + passlen + 1;
722 p = (const char *)req->buf + passlen;
725 password = data_blob_talloc(talloc_tos(), req->buf, passlen+1);
726 /* Ensure correct termination */
727 password.data[passlen]=0;
728 p = (const char *)req->buf + passlen + 1;
731 p += srvstr_pull_req_talloc(ctx, req, &path, p, STR_TERMINATE);
734 data_blob_clear_free(&password);
735 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
736 END_PROFILE(SMBtconX);
741 * the service name can be either: \\server\share
742 * or share directly like on the DELL PowerVault 705
745 q = strchr_m(path+2,'\\');
747 data_blob_clear_free(&password);
748 reply_doserror(req, ERRDOS, ERRnosuchshare);
749 END_PROFILE(SMBtconX);
757 p += srvstr_pull_talloc(ctx, req->inbuf, req->flags2,
758 &client_devicetype, p,
759 MIN(6, smbreq_bufrem(req, p)), STR_ASCII);
761 if (client_devicetype == NULL) {
762 data_blob_clear_free(&password);
763 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
764 END_PROFILE(SMBtconX);
768 DEBUG(4,("Client requested device type [%s] for share [%s]\n", client_devicetype, service));
770 conn = make_connection(service, password, client_devicetype,
771 req->vuid, &nt_status);
774 data_blob_clear_free(&password);
777 reply_nterror(req, nt_status);
778 END_PROFILE(SMBtconX);
783 server_devicetype = "IPC";
784 else if ( IS_PRINT(conn) )
785 server_devicetype = "LPT1:";
787 server_devicetype = "A:";
789 if (Protocol < PROTOCOL_NT1) {
790 reply_outbuf(req, 2, 0);
791 if (message_push_string(&req->outbuf, server_devicetype,
792 STR_TERMINATE|STR_ASCII) == -1) {
793 reply_nterror(req, NT_STATUS_NO_MEMORY);
794 END_PROFILE(SMBtconX);
798 /* NT sets the fstype of IPC$ to the null string */
799 const char *fstype = IS_IPC(conn) ? "" : lp_fstype(SNUM(conn));
801 if (tcon_flags & TCONX_FLAG_EXTENDED_RESPONSE) {
802 /* Return permissions. */
806 reply_outbuf(req, 7, 0);
809 perm1 = FILE_ALL_ACCESS;
810 perm2 = FILE_ALL_ACCESS;
812 perm1 = CAN_WRITE(conn) ?
817 SIVAL(req->outbuf, smb_vwv3, perm1);
818 SIVAL(req->outbuf, smb_vwv5, perm2);
820 reply_outbuf(req, 3, 0);
823 if ((message_push_string(&req->outbuf, server_devicetype,
824 STR_TERMINATE|STR_ASCII) == -1)
825 || (message_push_string(&req->outbuf, fstype,
826 STR_TERMINATE) == -1)) {
827 reply_nterror(req, NT_STATUS_NO_MEMORY);
828 END_PROFILE(SMBtconX);
832 /* what does setting this bit do? It is set by NT4 and
833 may affect the ability to autorun mounted cdroms */
834 SSVAL(req->outbuf, smb_vwv2, SMB_SUPPORT_SEARCH_BITS|
835 (lp_csc_policy(SNUM(conn)) << 2));
837 if (lp_msdfs_root(SNUM(conn)) && lp_host_msdfs()) {
838 DEBUG(2,("Serving %s as a Dfs root\n",
839 lp_servicename(SNUM(conn)) ));
840 SSVAL(req->outbuf, smb_vwv2,
841 SMB_SHARE_IN_DFS | SVAL(req->outbuf, smb_vwv2));
846 DEBUG(3,("tconX service=%s \n",
849 /* set the incoming and outgoing tid to the just created one */
850 SSVAL(req->inbuf,smb_tid,conn->cnum);
851 SSVAL(req->outbuf,smb_tid,conn->cnum);
853 END_PROFILE(SMBtconX);
859 /****************************************************************************
860 Reply to an unknown type.
861 ****************************************************************************/
863 void reply_unknown_new(struct smb_request *req, uint8 type)
865 DEBUG(0, ("unknown command type (%s): type=%d (0x%X)\n",
866 smb_fn_name(type), type, type));
867 reply_doserror(req, ERRSRV, ERRunknownsmb);
871 /****************************************************************************
873 conn POINTER CAN BE NULL HERE !
874 ****************************************************************************/
876 void reply_ioctl(struct smb_request *req)
878 connection_struct *conn = req->conn;
885 START_PROFILE(SMBioctl);
888 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
889 END_PROFILE(SMBioctl);
893 device = SVAL(req->vwv+1, 0);
894 function = SVAL(req->vwv+2, 0);
895 ioctl_code = (device << 16) + function;
897 DEBUG(4, ("Received IOCTL (code 0x%x)\n", ioctl_code));
899 switch (ioctl_code) {
900 case IOCTL_QUERY_JOB_INFO:
904 reply_doserror(req, ERRSRV, ERRnosupport);
905 END_PROFILE(SMBioctl);
909 reply_outbuf(req, 8, replysize+1);
910 SSVAL(req->outbuf,smb_vwv1,replysize); /* Total data bytes returned */
911 SSVAL(req->outbuf,smb_vwv5,replysize); /* Data bytes this buffer */
912 SSVAL(req->outbuf,smb_vwv6,52); /* Offset to data */
913 p = smb_buf(req->outbuf);
914 memset(p, '\0', replysize+1); /* valgrind-safe. */
915 p += 1; /* Allow for alignment */
917 switch (ioctl_code) {
918 case IOCTL_QUERY_JOB_INFO:
920 files_struct *fsp = file_fsp(
921 req, SVAL(req->vwv+0, 0));
923 reply_doserror(req, ERRDOS, ERRbadfid);
924 END_PROFILE(SMBioctl);
927 SSVAL(p,0,fsp->rap_print_jobid); /* Job number */
928 srvstr_push((char *)req->outbuf, req->flags2, p+2,
930 STR_TERMINATE|STR_ASCII);
932 srvstr_push((char *)req->outbuf, req->flags2,
933 p+18, lp_servicename(SNUM(conn)),
934 13, STR_TERMINATE|STR_ASCII);
942 END_PROFILE(SMBioctl);
946 /****************************************************************************
947 Strange checkpath NTSTATUS mapping.
948 ****************************************************************************/
950 static NTSTATUS map_checkpath_error(uint16_t flags2, NTSTATUS status)
952 /* Strange DOS error code semantics only for checkpath... */
953 if (!(flags2 & FLAGS2_32_BIT_ERROR_CODES)) {
954 if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_INVALID,status)) {
955 /* We need to map to ERRbadpath */
956 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
962 /****************************************************************************
963 Reply to a checkpath.
964 ****************************************************************************/
966 void reply_checkpath(struct smb_request *req)
968 connection_struct *conn = req->conn;
970 SMB_STRUCT_STAT sbuf;
972 TALLOC_CTX *ctx = talloc_tos();
974 START_PROFILE(SMBcheckpath);
976 srvstr_get_path_req(ctx, req, &name, (const char *)req->buf + 1,
977 STR_TERMINATE, &status);
979 if (!NT_STATUS_IS_OK(status)) {
980 status = map_checkpath_error(req->flags2, status);
981 reply_nterror(req, status);
982 END_PROFILE(SMBcheckpath);
986 status = resolve_dfspath(ctx, conn,
987 req->flags2 & FLAGS2_DFS_PATHNAMES,
990 if (!NT_STATUS_IS_OK(status)) {
991 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
992 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
994 END_PROFILE(SMBcheckpath);
1000 DEBUG(3,("reply_checkpath %s mode=%d\n", name, (int)SVAL(req->vwv+0, 0)));
1002 status = unix_convert(ctx, conn, name, False, &name, NULL, &sbuf);
1003 if (!NT_STATUS_IS_OK(status)) {
1007 status = check_name(conn, name);
1008 if (!NT_STATUS_IS_OK(status)) {
1009 DEBUG(3,("reply_checkpath: check_name of %s failed (%s)\n",name,nt_errstr(status)));
1013 if (!VALID_STAT(sbuf) && (SMB_VFS_STAT(conn,name,&sbuf) != 0)) {
1014 DEBUG(3,("reply_checkpath: stat of %s failed (%s)\n",name,strerror(errno)));
1015 status = map_nt_error_from_unix(errno);
1019 if (!S_ISDIR(sbuf.st_mode)) {
1020 reply_botherror(req, NT_STATUS_NOT_A_DIRECTORY,
1021 ERRDOS, ERRbadpath);
1022 END_PROFILE(SMBcheckpath);
1026 reply_outbuf(req, 0, 0);
1028 END_PROFILE(SMBcheckpath);
1033 END_PROFILE(SMBcheckpath);
1035 /* We special case this - as when a Windows machine
1036 is parsing a path is steps through the components
1037 one at a time - if a component fails it expects
1038 ERRbadpath, not ERRbadfile.
1040 status = map_checkpath_error(req->flags2, status);
1041 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
1043 * Windows returns different error codes if
1044 * the parent directory is valid but not the
1045 * last component - it returns NT_STATUS_OBJECT_NAME_NOT_FOUND
1046 * for that case and NT_STATUS_OBJECT_PATH_NOT_FOUND
1047 * if the path is invalid.
1049 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
1050 ERRDOS, ERRbadpath);
1054 reply_nterror(req, status);
1057 /****************************************************************************
1059 ****************************************************************************/
1061 void reply_getatr(struct smb_request *req)
1063 connection_struct *conn = req->conn;
1065 SMB_STRUCT_STAT sbuf;
1071 TALLOC_CTX *ctx = talloc_tos();
1073 START_PROFILE(SMBgetatr);
1075 p = (const char *)req->buf + 1;
1076 p += srvstr_get_path_req(ctx, req, &fname, p, STR_TERMINATE, &status);
1077 if (!NT_STATUS_IS_OK(status)) {
1078 reply_nterror(req, status);
1079 END_PROFILE(SMBgetatr);
1083 status = resolve_dfspath(ctx, conn,
1084 req->flags2 & FLAGS2_DFS_PATHNAMES,
1087 if (!NT_STATUS_IS_OK(status)) {
1088 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1089 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1090 ERRSRV, ERRbadpath);
1091 END_PROFILE(SMBgetatr);
1094 reply_nterror(req, status);
1095 END_PROFILE(SMBgetatr);
1099 /* dos smetimes asks for a stat of "" - it returns a "hidden directory"
1100 under WfWg - weird! */
1101 if (*fname == '\0') {
1102 mode = aHIDDEN | aDIR;
1103 if (!CAN_WRITE(conn)) {
1109 status = unix_convert(ctx, conn, fname, False, &fname, NULL,&sbuf);
1110 if (!NT_STATUS_IS_OK(status)) {
1111 reply_nterror(req, status);
1112 END_PROFILE(SMBgetatr);
1115 status = check_name(conn, fname);
1116 if (!NT_STATUS_IS_OK(status)) {
1117 DEBUG(3,("reply_getatr: check_name of %s failed (%s)\n",fname,nt_errstr(status)));
1118 reply_nterror(req, status);
1119 END_PROFILE(SMBgetatr);
1122 if (!VALID_STAT(sbuf) && (SMB_VFS_STAT(conn,fname,&sbuf) != 0)) {
1123 DEBUG(3,("reply_getatr: stat of %s failed (%s)\n",fname,strerror(errno)));
1124 reply_unixerror(req, ERRDOS,ERRbadfile);
1125 END_PROFILE(SMBgetatr);
1129 mode = dos_mode(conn,fname,&sbuf);
1130 size = sbuf.st_size;
1131 mtime = sbuf.st_mtime;
1137 reply_outbuf(req, 10, 0);
1139 SSVAL(req->outbuf,smb_vwv0,mode);
1140 if(lp_dos_filetime_resolution(SNUM(conn)) ) {
1141 srv_put_dos_date3((char *)req->outbuf,smb_vwv1,mtime & ~1);
1143 srv_put_dos_date3((char *)req->outbuf,smb_vwv1,mtime);
1145 SIVAL(req->outbuf,smb_vwv3,(uint32)size);
1147 if (Protocol >= PROTOCOL_NT1) {
1148 SSVAL(req->outbuf, smb_flg2,
1149 SVAL(req->outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
1152 DEBUG(3,("reply_getatr: name=%s mode=%d size=%u\n", fname, mode, (unsigned int)size ) );
1154 END_PROFILE(SMBgetatr);
1158 /****************************************************************************
1160 ****************************************************************************/
1162 void reply_setatr(struct smb_request *req)
1164 struct smb_file_time ft;
1165 connection_struct *conn = req->conn;
1169 SMB_STRUCT_STAT sbuf;
1172 TALLOC_CTX *ctx = talloc_tos();
1174 START_PROFILE(SMBsetatr);
1179 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1183 p = (const char *)req->buf + 1;
1184 p += srvstr_get_path_req(ctx, req, &fname, p, STR_TERMINATE, &status);
1185 if (!NT_STATUS_IS_OK(status)) {
1186 reply_nterror(req, status);
1187 END_PROFILE(SMBsetatr);
1191 status = resolve_dfspath(ctx, conn,
1192 req->flags2 & FLAGS2_DFS_PATHNAMES,
1195 if (!NT_STATUS_IS_OK(status)) {
1196 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1197 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1198 ERRSRV, ERRbadpath);
1199 END_PROFILE(SMBsetatr);
1202 reply_nterror(req, status);
1203 END_PROFILE(SMBsetatr);
1207 status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
1208 if (!NT_STATUS_IS_OK(status)) {
1209 reply_nterror(req, status);
1210 END_PROFILE(SMBsetatr);
1214 status = check_name(conn, fname);
1215 if (!NT_STATUS_IS_OK(status)) {
1216 reply_nterror(req, status);
1217 END_PROFILE(SMBsetatr);
1221 if (fname[0] == '.' && fname[1] == '\0') {
1223 * Not sure here is the right place to catch this
1224 * condition. Might be moved to somewhere else later -- vl
1226 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1227 END_PROFILE(SMBsetatr);
1231 mode = SVAL(req->vwv+0, 0);
1232 mtime = srv_make_unix_date3(req->vwv+1);
1234 ft.mtime = convert_time_t_to_timespec(mtime);
1235 status = smb_set_file_time(conn, NULL, fname,
1237 if (!NT_STATUS_IS_OK(status)) {
1238 reply_unixerror(req, ERRDOS, ERRnoaccess);
1239 END_PROFILE(SMBsetatr);
1243 if (mode != FILE_ATTRIBUTE_NORMAL) {
1244 if (VALID_STAT_OF_DIR(sbuf))
1249 if (file_set_dosmode(conn,fname,mode,&sbuf,NULL,false) != 0) {
1250 reply_unixerror(req, ERRDOS, ERRnoaccess);
1251 END_PROFILE(SMBsetatr);
1256 reply_outbuf(req, 0, 0);
1258 DEBUG( 3, ( "setatr name=%s mode=%d\n", fname, mode ) );
1260 END_PROFILE(SMBsetatr);
1264 /****************************************************************************
1266 ****************************************************************************/
1268 void reply_dskattr(struct smb_request *req)
1270 connection_struct *conn = req->conn;
1271 uint64_t dfree,dsize,bsize;
1272 START_PROFILE(SMBdskattr);
1274 if (get_dfree_info(conn,".",True,&bsize,&dfree,&dsize) == (uint64_t)-1) {
1275 reply_unixerror(req, ERRHRD, ERRgeneral);
1276 END_PROFILE(SMBdskattr);
1280 reply_outbuf(req, 5, 0);
1282 if (Protocol <= PROTOCOL_LANMAN2) {
1283 double total_space, free_space;
1284 /* we need to scale this to a number that DOS6 can handle. We
1285 use floating point so we can handle large drives on systems
1286 that don't have 64 bit integers
1288 we end up displaying a maximum of 2G to DOS systems
1290 total_space = dsize * (double)bsize;
1291 free_space = dfree * (double)bsize;
1293 dsize = (uint64_t)((total_space+63*512) / (64*512));
1294 dfree = (uint64_t)((free_space+63*512) / (64*512));
1296 if (dsize > 0xFFFF) dsize = 0xFFFF;
1297 if (dfree > 0xFFFF) dfree = 0xFFFF;
1299 SSVAL(req->outbuf,smb_vwv0,dsize);
1300 SSVAL(req->outbuf,smb_vwv1,64); /* this must be 64 for dos systems */
1301 SSVAL(req->outbuf,smb_vwv2,512); /* and this must be 512 */
1302 SSVAL(req->outbuf,smb_vwv3,dfree);
1304 SSVAL(req->outbuf,smb_vwv0,dsize);
1305 SSVAL(req->outbuf,smb_vwv1,bsize/512);
1306 SSVAL(req->outbuf,smb_vwv2,512);
1307 SSVAL(req->outbuf,smb_vwv3,dfree);
1310 DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree));
1312 END_PROFILE(SMBdskattr);
1316 /****************************************************************************
1318 Can be called from SMBsearch, SMBffirst or SMBfunique.
1319 ****************************************************************************/
1321 void reply_search(struct smb_request *req)
1323 connection_struct *conn = req->conn;
1324 const char *mask = NULL;
1325 char *directory = NULL;
1331 unsigned int numentries = 0;
1332 unsigned int maxentries = 0;
1333 bool finished = False;
1339 bool check_descend = False;
1340 bool expect_close = False;
1342 bool mask_contains_wcard = False;
1343 bool allow_long_path_components = (req->flags2 & FLAGS2_LONG_PATH_COMPONENTS) ? True : False;
1344 TALLOC_CTX *ctx = talloc_tos();
1345 bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
1347 START_PROFILE(SMBsearch);
1350 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1351 END_PROFILE(SMBsearch);
1355 if (lp_posix_pathnames()) {
1356 reply_unknown_new(req, req->cmd);
1357 END_PROFILE(SMBsearch);
1361 /* If we were called as SMBffirst then we must expect close. */
1362 if(req->cmd == SMBffirst) {
1363 expect_close = True;
1366 reply_outbuf(req, 1, 3);
1367 maxentries = SVAL(req->vwv+0, 0);
1368 dirtype = SVAL(req->vwv+1, 0);
1369 p = (const char *)req->buf + 1;
1370 p += srvstr_get_path_req_wcard(ctx, req, &path, p, STR_TERMINATE,
1371 &nt_status, &mask_contains_wcard);
1372 if (!NT_STATUS_IS_OK(nt_status)) {
1373 reply_nterror(req, nt_status);
1374 END_PROFILE(SMBsearch);
1378 nt_status = resolve_dfspath_wcard(ctx, conn,
1379 req->flags2 & FLAGS2_DFS_PATHNAMES,
1382 &mask_contains_wcard);
1383 if (!NT_STATUS_IS_OK(nt_status)) {
1384 if (NT_STATUS_EQUAL(nt_status,NT_STATUS_PATH_NOT_COVERED)) {
1385 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1386 ERRSRV, ERRbadpath);
1387 END_PROFILE(SMBsearch);
1390 reply_nterror(req, nt_status);
1391 END_PROFILE(SMBsearch);
1396 status_len = SVAL(p, 0);
1399 /* dirtype &= ~aDIR; */
1401 if (status_len == 0) {
1402 SMB_STRUCT_STAT sbuf;
1404 nt_status = unix_convert(ctx, conn, path, True,
1405 &directory, NULL, &sbuf);
1406 if (!NT_STATUS_IS_OK(nt_status)) {
1407 reply_nterror(req, nt_status);
1408 END_PROFILE(SMBsearch);
1412 nt_status = check_name(conn, directory);
1413 if (!NT_STATUS_IS_OK(nt_status)) {
1414 reply_nterror(req, nt_status);
1415 END_PROFILE(SMBsearch);
1419 p = strrchr_m(directory,'/');
1420 if ((p != NULL) && (*directory != '/')) {
1422 directory = talloc_strndup(ctx, directory,
1423 PTR_DIFF(p, directory));
1426 directory = talloc_strdup(ctx,".");
1430 reply_nterror(req, NT_STATUS_NO_MEMORY);
1431 END_PROFILE(SMBsearch);
1435 memset((char *)status,'\0',21);
1436 SCVAL(status,0,(dirtype & 0x1F));
1438 nt_status = dptr_create(conn,
1444 mask_contains_wcard,
1447 if (!NT_STATUS_IS_OK(nt_status)) {
1448 reply_nterror(req, nt_status);
1449 END_PROFILE(SMBsearch);
1452 dptr_num = dptr_dnum(conn->dirptr);
1456 memcpy(status,p,21);
1457 status_dirtype = CVAL(status,0) & 0x1F;
1458 if (status_dirtype != (dirtype & 0x1F)) {
1459 dirtype = status_dirtype;
1462 conn->dirptr = dptr_fetch(status+12,&dptr_num);
1463 if (!conn->dirptr) {
1466 string_set(&conn->dirpath,dptr_path(dptr_num));
1467 mask = dptr_wcard(dptr_num);
1472 * For a 'continue' search we have no string. So
1473 * check from the initial saved string.
1475 mask_contains_wcard = ms_has_wild(mask);
1476 dirtype = dptr_attr(dptr_num);
1479 DEBUG(4,("dptr_num is %d\n",dptr_num));
1481 /* Initialize per SMBsearch/SMBffirst/SMBfunique operation data */
1482 dptr_init_search_op(conn->dirptr);
1484 if ((dirtype&0x1F) == aVOLID) {
1485 char buf[DIR_STRUCT_SIZE];
1486 memcpy(buf,status,21);
1487 if (!make_dir_struct(ctx,buf,"???????????",volume_label(SNUM(conn)),
1488 0,aVOLID,0,!allow_long_path_components)) {
1489 reply_nterror(req, NT_STATUS_NO_MEMORY);
1490 END_PROFILE(SMBsearch);
1493 dptr_fill(buf+12,dptr_num);
1494 if (dptr_zero(buf+12) && (status_len==0)) {
1499 if (message_push_blob(&req->outbuf,
1500 data_blob_const(buf, sizeof(buf)))
1502 reply_nterror(req, NT_STATUS_NO_MEMORY);
1503 END_PROFILE(SMBsearch);
1511 ((uint8 *)smb_buf(req->outbuf) + 3 - req->outbuf))
1514 DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
1515 conn->dirpath,lp_dontdescend(SNUM(conn))));
1516 if (in_list(conn->dirpath, lp_dontdescend(SNUM(conn)),True)) {
1517 check_descend = True;
1520 for (i=numentries;(i<maxentries) && !finished;i++) {
1521 finished = !get_dir_entry(ctx,
1532 char buf[DIR_STRUCT_SIZE];
1533 memcpy(buf,status,21);
1534 if (!make_dir_struct(ctx,
1541 !allow_long_path_components)) {
1542 reply_nterror(req, NT_STATUS_NO_MEMORY);
1543 END_PROFILE(SMBsearch);
1546 if (!dptr_fill(buf+12,dptr_num)) {
1549 if (message_push_blob(&req->outbuf,
1550 data_blob_const(buf, sizeof(buf)))
1552 reply_nterror(req, NT_STATUS_NO_MEMORY);
1553 END_PROFILE(SMBsearch);
1563 /* If we were called as SMBffirst with smb_search_id == NULL
1564 and no entries were found then return error and close dirptr
1567 if (numentries == 0) {
1568 dptr_close(&dptr_num);
1569 } else if(expect_close && status_len == 0) {
1570 /* Close the dptr - we know it's gone */
1571 dptr_close(&dptr_num);
1574 /* If we were called as SMBfunique, then we can close the dirptr now ! */
1575 if(dptr_num >= 0 && req->cmd == SMBfunique) {
1576 dptr_close(&dptr_num);
1579 if ((numentries == 0) && !mask_contains_wcard) {
1580 reply_botherror(req, STATUS_NO_MORE_FILES, ERRDOS, ERRnofiles);
1581 END_PROFILE(SMBsearch);
1585 SSVAL(req->outbuf,smb_vwv0,numentries);
1586 SSVAL(req->outbuf,smb_vwv1,3 + numentries * DIR_STRUCT_SIZE);
1587 SCVAL(smb_buf(req->outbuf),0,5);
1588 SSVAL(smb_buf(req->outbuf),1,numentries*DIR_STRUCT_SIZE);
1590 /* The replies here are never long name. */
1591 SSVAL(req->outbuf, smb_flg2,
1592 SVAL(req->outbuf, smb_flg2) & (~FLAGS2_IS_LONG_NAME));
1593 if (!allow_long_path_components) {
1594 SSVAL(req->outbuf, smb_flg2,
1595 SVAL(req->outbuf, smb_flg2)
1596 & (~FLAGS2_LONG_PATH_COMPONENTS));
1599 /* This SMB *always* returns ASCII names. Remove the unicode bit in flags2. */
1600 SSVAL(req->outbuf, smb_flg2,
1601 (SVAL(req->outbuf, smb_flg2) & (~FLAGS2_UNICODE_STRINGS)));
1604 directory = dptr_path(dptr_num);
1607 DEBUG(4,("%s mask=%s path=%s dtype=%d nument=%u of %u\n",
1608 smb_fn_name(req->cmd),
1610 directory ? directory : "./",
1615 END_PROFILE(SMBsearch);
1619 /****************************************************************************
1620 Reply to a fclose (stop directory search).
1621 ****************************************************************************/
1623 void reply_fclose(struct smb_request *req)
1631 bool path_contains_wcard = False;
1632 TALLOC_CTX *ctx = talloc_tos();
1634 START_PROFILE(SMBfclose);
1636 if (lp_posix_pathnames()) {
1637 reply_unknown_new(req, req->cmd);
1638 END_PROFILE(SMBfclose);
1642 p = (const char *)req->buf + 1;
1643 p += srvstr_get_path_req_wcard(ctx, req, &path, p, STR_TERMINATE,
1644 &err, &path_contains_wcard);
1645 if (!NT_STATUS_IS_OK(err)) {
1646 reply_nterror(req, err);
1647 END_PROFILE(SMBfclose);
1651 status_len = SVAL(p,0);
1654 if (status_len == 0) {
1655 reply_doserror(req, ERRSRV, ERRsrverror);
1656 END_PROFILE(SMBfclose);
1660 memcpy(status,p,21);
1662 if(dptr_fetch(status+12,&dptr_num)) {
1663 /* Close the dptr - we know it's gone */
1664 dptr_close(&dptr_num);
1667 reply_outbuf(req, 1, 0);
1668 SSVAL(req->outbuf,smb_vwv0,0);
1670 DEBUG(3,("search close\n"));
1672 END_PROFILE(SMBfclose);
1676 /****************************************************************************
1678 ****************************************************************************/
1680 void reply_open(struct smb_request *req)
1682 connection_struct *conn = req->conn;
1688 SMB_STRUCT_STAT sbuf;
1695 uint32 create_disposition;
1696 uint32 create_options = 0;
1698 TALLOC_CTX *ctx = talloc_tos();
1700 START_PROFILE(SMBopen);
1702 SET_STAT_INVALID(sbuf);
1705 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1706 END_PROFILE(SMBopen);
1710 oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
1711 deny_mode = SVAL(req->vwv+0, 0);
1712 dos_attr = SVAL(req->vwv+1, 0);
1714 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf+1,
1715 STR_TERMINATE, &status);
1716 if (!NT_STATUS_IS_OK(status)) {
1717 reply_nterror(req, status);
1718 END_PROFILE(SMBopen);
1722 if (!map_open_params_to_ntcreate(
1723 fname, deny_mode, OPENX_FILE_EXISTS_OPEN, &access_mask,
1724 &share_mode, &create_disposition, &create_options)) {
1725 reply_nterror(req, NT_STATUS_DOS(ERRDOS, ERRbadaccess));
1726 END_PROFILE(SMBopen);
1730 status = SMB_VFS_CREATE_FILE(
1733 0, /* root_dir_fid */
1735 CFF_DOS_PATH, /* create_file_flags */
1736 access_mask, /* access_mask */
1737 share_mode, /* share_access */
1738 create_disposition, /* create_disposition*/
1739 create_options, /* create_options */
1740 dos_attr, /* file_attributes */
1741 oplock_request, /* oplock_request */
1742 0, /* allocation_size */
1749 if (!NT_STATUS_IS_OK(status)) {
1750 if (open_was_deferred(req->mid)) {
1751 /* We have re-scheduled this call. */
1752 END_PROFILE(SMBopen);
1755 reply_openerror(req, status);
1756 END_PROFILE(SMBopen);
1760 size = sbuf.st_size;
1761 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1762 mtime = sbuf.st_mtime;
1765 DEBUG(3,("attempt to open a directory %s\n",fsp->fsp_name));
1766 close_file(req, fsp, ERROR_CLOSE);
1767 reply_doserror(req, ERRDOS,ERRnoaccess);
1768 END_PROFILE(SMBopen);
1772 reply_outbuf(req, 7, 0);
1773 SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
1774 SSVAL(req->outbuf,smb_vwv1,fattr);
1775 if(lp_dos_filetime_resolution(SNUM(conn)) ) {
1776 srv_put_dos_date3((char *)req->outbuf,smb_vwv2,mtime & ~1);
1778 srv_put_dos_date3((char *)req->outbuf,smb_vwv2,mtime);
1780 SIVAL(req->outbuf,smb_vwv4,(uint32)size);
1781 SSVAL(req->outbuf,smb_vwv6,deny_mode);
1783 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1784 SCVAL(req->outbuf,smb_flg,
1785 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1788 if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1789 SCVAL(req->outbuf,smb_flg,
1790 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1792 END_PROFILE(SMBopen);
1796 /****************************************************************************
1797 Reply to an open and X.
1798 ****************************************************************************/
1800 void reply_open_and_X(struct smb_request *req)
1802 connection_struct *conn = req->conn;
1807 /* Breakout the oplock request bits so we can set the
1808 reply bits separately. */
1809 int ex_oplock_request;
1810 int core_oplock_request;
1813 int smb_sattr = SVAL(req->vwv+4, 0);
1814 uint32 smb_time = make_unix_date3(req->vwv+6);
1819 SMB_STRUCT_STAT sbuf;
1823 uint64_t allocation_size;
1824 ssize_t retval = -1;
1827 uint32 create_disposition;
1828 uint32 create_options = 0;
1829 TALLOC_CTX *ctx = talloc_tos();
1831 START_PROFILE(SMBopenX);
1833 if (req->wct < 15) {
1834 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1835 END_PROFILE(SMBopenX);
1839 SET_STAT_INVALID(sbuf);
1841 open_flags = SVAL(req->vwv+2, 0);
1842 deny_mode = SVAL(req->vwv+3, 0);
1843 smb_attr = SVAL(req->vwv+5, 0);
1844 ex_oplock_request = EXTENDED_OPLOCK_REQUEST(req->inbuf);
1845 core_oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
1846 oplock_request = ex_oplock_request | core_oplock_request;
1847 smb_ofun = SVAL(req->vwv+8, 0);
1848 allocation_size = (uint64_t)IVAL(req->vwv+9, 0);
1850 /* If it's an IPC, pass off the pipe handler. */
1852 if (lp_nt_pipe_support()) {
1853 reply_open_pipe_and_X(conn, req);
1855 reply_doserror(req, ERRSRV, ERRaccess);
1857 END_PROFILE(SMBopenX);
1861 /* XXXX we need to handle passed times, sattr and flags */
1862 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
1863 STR_TERMINATE, &status);
1864 if (!NT_STATUS_IS_OK(status)) {
1865 reply_nterror(req, status);
1866 END_PROFILE(SMBopenX);
1870 if (!map_open_params_to_ntcreate(
1871 fname, deny_mode, smb_ofun, &access_mask,
1872 &share_mode, &create_disposition, &create_options)) {
1873 reply_nterror(req, NT_STATUS_DOS(ERRDOS, ERRbadaccess));
1874 END_PROFILE(SMBopenX);
1878 status = SMB_VFS_CREATE_FILE(
1881 0, /* root_dir_fid */
1883 CFF_DOS_PATH, /* create_file_flags */
1884 access_mask, /* access_mask */
1885 share_mode, /* share_access */
1886 create_disposition, /* create_disposition*/
1887 create_options, /* create_options */
1888 smb_attr, /* file_attributes */
1889 oplock_request, /* oplock_request */
1890 0, /* allocation_size */
1894 &smb_action, /* pinfo */
1897 if (!NT_STATUS_IS_OK(status)) {
1898 END_PROFILE(SMBopenX);
1899 if (open_was_deferred(req->mid)) {
1900 /* We have re-scheduled this call. */
1903 reply_openerror(req, status);
1907 /* Setting the "size" field in vwv9 and vwv10 causes the file to be set to this size,
1908 if the file is truncated or created. */
1909 if (((smb_action == FILE_WAS_CREATED) || (smb_action == FILE_WAS_OVERWRITTEN)) && allocation_size) {
1910 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1911 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1912 close_file(req, fsp, ERROR_CLOSE);
1913 reply_nterror(req, NT_STATUS_DISK_FULL);
1914 END_PROFILE(SMBopenX);
1917 retval = vfs_set_filelen(fsp, (SMB_OFF_T)allocation_size);
1919 close_file(req, fsp, ERROR_CLOSE);
1920 reply_nterror(req, NT_STATUS_DISK_FULL);
1921 END_PROFILE(SMBopenX);
1924 sbuf.st_size = SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf);
1927 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1928 mtime = sbuf.st_mtime;
1930 close_file(req, fsp, ERROR_CLOSE);
1931 reply_doserror(req, ERRDOS, ERRnoaccess);
1932 END_PROFILE(SMBopenX);
1936 /* If the caller set the extended oplock request bit
1937 and we granted one (by whatever means) - set the
1938 correct bit for extended oplock reply.
1941 if (ex_oplock_request && lp_fake_oplocks(SNUM(conn))) {
1942 smb_action |= EXTENDED_OPLOCK_GRANTED;
1945 if(ex_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1946 smb_action |= EXTENDED_OPLOCK_GRANTED;
1949 /* If the caller set the core oplock request bit
1950 and we granted one (by whatever means) - set the
1951 correct bit for core oplock reply.
1954 if (open_flags & EXTENDED_RESPONSE_REQUIRED) {
1955 reply_outbuf(req, 19, 0);
1957 reply_outbuf(req, 15, 0);
1960 if (core_oplock_request && lp_fake_oplocks(SNUM(conn))) {
1961 SCVAL(req->outbuf, smb_flg,
1962 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1965 if(core_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1966 SCVAL(req->outbuf, smb_flg,
1967 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1970 SSVAL(req->outbuf,smb_vwv2,fsp->fnum);
1971 SSVAL(req->outbuf,smb_vwv3,fattr);
1972 if(lp_dos_filetime_resolution(SNUM(conn)) ) {
1973 srv_put_dos_date3((char *)req->outbuf,smb_vwv4,mtime & ~1);
1975 srv_put_dos_date3((char *)req->outbuf,smb_vwv4,mtime);
1977 SIVAL(req->outbuf,smb_vwv6,(uint32)sbuf.st_size);
1978 SSVAL(req->outbuf,smb_vwv8,GET_OPENX_MODE(deny_mode));
1979 SSVAL(req->outbuf,smb_vwv11,smb_action);
1981 if (open_flags & EXTENDED_RESPONSE_REQUIRED) {
1982 SIVAL(req->outbuf, smb_vwv15, STD_RIGHT_ALL_ACCESS);
1985 END_PROFILE(SMBopenX);
1990 /****************************************************************************
1991 Reply to a SMBulogoffX.
1992 ****************************************************************************/
1994 void reply_ulogoffX(struct smb_request *req)
1998 START_PROFILE(SMBulogoffX);
2000 vuser = get_valid_user_struct(req->vuid);
2003 DEBUG(3,("ulogoff, vuser id %d does not map to user.\n",
2007 /* in user level security we are supposed to close any files
2008 open by this user */
2009 if ((vuser != NULL) && (lp_security() != SEC_SHARE)) {
2010 file_close_user(req->vuid);
2013 invalidate_vuid(req->vuid);
2015 reply_outbuf(req, 2, 0);
2017 DEBUG( 3, ( "ulogoffX vuid=%d\n", req->vuid ) );
2019 END_PROFILE(SMBulogoffX);
2023 /****************************************************************************
2024 Reply to a mknew or a create.
2025 ****************************************************************************/
2027 void reply_mknew(struct smb_request *req)
2029 connection_struct *conn = req->conn;
2032 struct smb_file_time ft;
2034 int oplock_request = 0;
2035 SMB_STRUCT_STAT sbuf;
2037 uint32 access_mask = FILE_GENERIC_READ | FILE_GENERIC_WRITE;
2038 uint32 share_mode = FILE_SHARE_READ|FILE_SHARE_WRITE;
2039 uint32 create_disposition;
2040 uint32 create_options = 0;
2041 TALLOC_CTX *ctx = talloc_tos();
2043 START_PROFILE(SMBcreate);
2045 SET_STAT_INVALID(sbuf);
2048 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2049 END_PROFILE(SMBcreate);
2053 fattr = SVAL(req->vwv+0, 0);
2054 oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
2057 ft.mtime = convert_time_t_to_timespec(srv_make_unix_date3(req->vwv+1));
2059 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf + 1,
2060 STR_TERMINATE, &status);
2061 if (!NT_STATUS_IS_OK(status)) {
2062 reply_nterror(req, status);
2063 END_PROFILE(SMBcreate);
2067 if (fattr & aVOLID) {
2068 DEBUG(0,("Attempt to create file (%s) with volid set - "
2069 "please report this\n", fname));
2072 if(req->cmd == SMBmknew) {
2073 /* We should fail if file exists. */
2074 create_disposition = FILE_CREATE;
2076 /* Create if file doesn't exist, truncate if it does. */
2077 create_disposition = FILE_OVERWRITE_IF;
2080 status = SMB_VFS_CREATE_FILE(
2083 0, /* root_dir_fid */
2085 CFF_DOS_PATH, /* create_file_flags */
2086 access_mask, /* access_mask */
2087 share_mode, /* share_access */
2088 create_disposition, /* create_disposition*/
2089 create_options, /* create_options */
2090 fattr, /* file_attributes */
2091 oplock_request, /* oplock_request */
2092 0, /* allocation_size */
2099 if (!NT_STATUS_IS_OK(status)) {
2100 END_PROFILE(SMBcreate);
2101 if (open_was_deferred(req->mid)) {
2102 /* We have re-scheduled this call. */
2105 reply_openerror(req, status);
2109 ft.atime = get_atimespec(&sbuf); /* atime. */
2110 status = smb_set_file_time(conn, fsp, fsp->fsp_name, &sbuf, &ft, true);
2111 if (!NT_STATUS_IS_OK(status)) {
2112 END_PROFILE(SMBcreate);
2113 reply_openerror(req, status);
2117 reply_outbuf(req, 1, 0);
2118 SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
2120 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
2121 SCVAL(req->outbuf,smb_flg,
2122 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2125 if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2126 SCVAL(req->outbuf,smb_flg,
2127 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2130 DEBUG( 2, ( "reply_mknew: file %s\n", fsp->fsp_name ) );
2131 DEBUG( 3, ( "reply_mknew %s fd=%d dmode=0x%x\n",
2132 fsp->fsp_name, fsp->fh->fd, (unsigned int)fattr ) );
2134 END_PROFILE(SMBcreate);
2138 /****************************************************************************
2139 Reply to a create temporary file.
2140 ****************************************************************************/
2142 void reply_ctemp(struct smb_request *req)
2144 connection_struct *conn = req->conn;
2150 SMB_STRUCT_STAT sbuf;
2153 TALLOC_CTX *ctx = talloc_tos();
2155 START_PROFILE(SMBctemp);
2158 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2159 END_PROFILE(SMBctemp);
2163 fattr = SVAL(req->vwv+0, 0);
2164 oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
2166 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf+1,
2167 STR_TERMINATE, &status);
2168 if (!NT_STATUS_IS_OK(status)) {
2169 reply_nterror(req, status);
2170 END_PROFILE(SMBctemp);
2174 fname = talloc_asprintf(ctx,
2178 fname = talloc_strdup(ctx, "TMXXXXXX");
2182 reply_nterror(req, NT_STATUS_NO_MEMORY);
2183 END_PROFILE(SMBctemp);
2187 status = resolve_dfspath(ctx, conn,
2188 req->flags2 & FLAGS2_DFS_PATHNAMES,
2191 if (!NT_STATUS_IS_OK(status)) {
2192 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2193 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2194 ERRSRV, ERRbadpath);
2195 END_PROFILE(SMBctemp);
2198 reply_nterror(req, status);
2199 END_PROFILE(SMBctemp);
2203 status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
2204 if (!NT_STATUS_IS_OK(status)) {
2205 reply_nterror(req, status);
2206 END_PROFILE(SMBctemp);
2210 status = check_name(conn, fname);
2211 if (!NT_STATUS_IS_OK(status)) {
2212 reply_nterror(req, status);
2213 END_PROFILE(SMBctemp);
2217 tmpfd = mkstemp(fname);
2219 reply_unixerror(req, ERRDOS, ERRnoaccess);
2220 END_PROFILE(SMBctemp);
2224 SET_STAT_INVALID(sbuf);
2225 SMB_VFS_STAT(conn,fname,&sbuf);
2227 /* We should fail if file does not exist. */
2228 status = SMB_VFS_CREATE_FILE(
2231 0, /* root_dir_fid */
2233 0, /* create_file_flags */
2234 FILE_GENERIC_READ | FILE_GENERIC_WRITE, /* access_mask */
2235 FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
2236 FILE_OPEN, /* create_disposition*/
2237 0, /* create_options */
2238 fattr, /* file_attributes */
2239 oplock_request, /* oplock_request */
2240 0, /* allocation_size */
2247 /* close fd from mkstemp() */
2250 if (!NT_STATUS_IS_OK(status)) {
2251 if (open_was_deferred(req->mid)) {
2252 /* We have re-scheduled this call. */
2253 END_PROFILE(SMBctemp);
2256 reply_openerror(req, status);
2257 END_PROFILE(SMBctemp);
2261 reply_outbuf(req, 1, 0);
2262 SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
2264 /* the returned filename is relative to the directory */
2265 s = strrchr_m(fsp->fsp_name, '/');
2273 /* Tested vs W2K3 - this doesn't seem to be here - null terminated filename is the only
2274 thing in the byte section. JRA */
2275 SSVALS(p, 0, -1); /* what is this? not in spec */
2277 if (message_push_string(&req->outbuf, s, STR_ASCII|STR_TERMINATE)
2279 reply_nterror(req, NT_STATUS_NO_MEMORY);
2280 END_PROFILE(SMBctemp);
2284 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
2285 SCVAL(req->outbuf, smb_flg,
2286 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2289 if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2290 SCVAL(req->outbuf, smb_flg,
2291 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2294 DEBUG( 2, ( "reply_ctemp: created temp file %s\n", fsp->fsp_name ) );
2295 DEBUG( 3, ( "reply_ctemp %s fd=%d umode=0%o\n", fsp->fsp_name,
2296 fsp->fh->fd, (unsigned int)sbuf.st_mode ) );
2298 END_PROFILE(SMBctemp);
2302 /*******************************************************************
2303 Check if a user is allowed to rename a file.
2304 ********************************************************************/
2306 static NTSTATUS can_rename(connection_struct *conn, files_struct *fsp,
2307 uint16 dirtype, SMB_STRUCT_STAT *pst)
2311 if (!CAN_WRITE(conn)) {
2312 return NT_STATUS_MEDIA_WRITE_PROTECTED;
2315 fmode = dos_mode(conn, fsp->fsp_name, pst);
2316 if ((fmode & ~dirtype) & (aHIDDEN | aSYSTEM)) {
2317 return NT_STATUS_NO_SUCH_FILE;
2320 if (S_ISDIR(pst->st_mode)) {
2321 if (fsp->posix_open) {
2322 return NT_STATUS_OK;
2325 /* If no pathnames are open below this
2326 directory, allow the rename. */
2328 if (file_find_subpath(fsp)) {
2329 return NT_STATUS_ACCESS_DENIED;
2331 return NT_STATUS_OK;
2334 if (fsp->access_mask & (DELETE_ACCESS|FILE_WRITE_ATTRIBUTES)) {
2335 return NT_STATUS_OK;
2338 return NT_STATUS_ACCESS_DENIED;
2341 /*******************************************************************
2342 * unlink a file with all relevant access checks
2343 *******************************************************************/
2345 static NTSTATUS do_unlink(connection_struct *conn,
2346 struct smb_request *req,
2350 SMB_STRUCT_STAT sbuf;
2353 uint32 dirtype_orig = dirtype;
2356 DEBUG(10,("do_unlink: %s, dirtype = %d\n", fname, dirtype ));
2358 if (!CAN_WRITE(conn)) {
2359 return NT_STATUS_MEDIA_WRITE_PROTECTED;
2362 if (SMB_VFS_LSTAT(conn,fname,&sbuf) != 0) {
2363 return map_nt_error_from_unix(errno);
2366 fattr = dos_mode(conn,fname,&sbuf);
2368 if (dirtype & FILE_ATTRIBUTE_NORMAL) {
2369 dirtype = aDIR|aARCH|aRONLY;
2372 dirtype &= (aDIR|aARCH|aRONLY|aHIDDEN|aSYSTEM);
2374 return NT_STATUS_NO_SUCH_FILE;
2377 if (!dir_check_ftype(conn, fattr, dirtype)) {
2379 return NT_STATUS_FILE_IS_A_DIRECTORY;
2381 return NT_STATUS_NO_SUCH_FILE;
2384 if (dirtype_orig & 0x8000) {
2385 /* These will never be set for POSIX. */
2386 return NT_STATUS_NO_SUCH_FILE;
2390 if ((fattr & dirtype) & FILE_ATTRIBUTE_DIRECTORY) {
2391 return NT_STATUS_FILE_IS_A_DIRECTORY;
2394 if ((fattr & ~dirtype) & (FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM)) {
2395 return NT_STATUS_NO_SUCH_FILE;
2398 if (dirtype & 0xFF00) {
2399 /* These will never be set for POSIX. */
2400 return NT_STATUS_NO_SUCH_FILE;
2405 return NT_STATUS_NO_SUCH_FILE;
2408 /* Can't delete a directory. */
2410 return NT_STATUS_FILE_IS_A_DIRECTORY;
2415 else if (dirtype & aDIR) /* Asked for a directory and it isn't. */
2416 return NT_STATUS_OBJECT_NAME_INVALID;
2417 #endif /* JRATEST */
2419 /* Fix for bug #3035 from SATOH Fumiyasu <fumiyas@miraclelinux.com>
2421 On a Windows share, a file with read-only dosmode can be opened with
2422 DELETE_ACCESS. But on a Samba share (delete readonly = no), it
2423 fails with NT_STATUS_CANNOT_DELETE error.
2425 This semantic causes a problem that a user can not
2426 rename a file with read-only dosmode on a Samba share
2427 from a Windows command prompt (i.e. cmd.exe, but can rename
2428 from Windows Explorer).
2431 if (!lp_delete_readonly(SNUM(conn))) {
2432 if (fattr & aRONLY) {
2433 return NT_STATUS_CANNOT_DELETE;
2437 /* On open checks the open itself will check the share mode, so
2438 don't do it here as we'll get it wrong. */
2440 status = SMB_VFS_CREATE_FILE
2443 0, /* root_dir_fid */
2445 0, /* create_file_flags */
2446 DELETE_ACCESS, /* access_mask */
2447 FILE_SHARE_NONE, /* share_access */
2448 FILE_OPEN, /* create_disposition*/
2449 FILE_NON_DIRECTORY_FILE, /* create_options */
2450 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
2451 0, /* oplock_request */
2452 0, /* allocation_size */
2459 if (!NT_STATUS_IS_OK(status)) {
2460 DEBUG(10, ("SMB_VFS_CREATEFILE failed: %s\n",
2461 nt_errstr(status)));
2465 /* The set is across all open files on this dev/inode pair. */
2466 if (!set_delete_on_close(fsp, True, &conn->server_info->utok)) {
2467 close_file(req, fsp, NORMAL_CLOSE);
2468 return NT_STATUS_ACCESS_DENIED;
2471 return close_file(req, fsp, NORMAL_CLOSE);
2474 /****************************************************************************
2475 The guts of the unlink command, split out so it may be called by the NT SMB
2477 ****************************************************************************/
2479 NTSTATUS unlink_internals(connection_struct *conn, struct smb_request *req,
2480 uint32 dirtype, const char *name_in, bool has_wild)
2482 const char *directory = NULL;
2487 NTSTATUS status = NT_STATUS_OK;
2488 SMB_STRUCT_STAT sbuf, st;
2489 TALLOC_CTX *ctx = talloc_tos();
2491 status = unix_convert(ctx, conn, name_in, has_wild, &name, NULL, &sbuf);
2492 if (!NT_STATUS_IS_OK(status)) {
2496 p = strrchr_m(name,'/');
2498 directory = talloc_strdup(ctx, ".");
2500 return NT_STATUS_NO_MEMORY;
2510 * We should only check the mangled cache
2511 * here if unix_convert failed. This means
2512 * that the path in 'mask' doesn't exist
2513 * on the file system and so we need to look
2514 * for a possible mangle. This patch from
2515 * Tine Smukavec <valentin.smukavec@hermes.si>.
2518 if (!VALID_STAT(sbuf) && mangle_is_mangled(mask,conn->params)) {
2519 char *new_mask = NULL;
2520 mangle_lookup_name_from_8_3(ctx,
2530 directory = talloc_asprintf(ctx,
2535 return NT_STATUS_NO_MEMORY;
2538 dirtype = FILE_ATTRIBUTE_NORMAL;
2541 status = check_name(conn, directory);
2542 if (!NT_STATUS_IS_OK(status)) {
2546 status = do_unlink(conn, req, directory, dirtype);
2547 if (!NT_STATUS_IS_OK(status)) {
2553 struct smb_Dir *dir_hnd = NULL;
2557 if ((dirtype & SAMBA_ATTRIBUTES_MASK) == aDIR) {
2558 return NT_STATUS_OBJECT_NAME_INVALID;
2561 if (strequal(mask,"????????.???")) {
2566 status = check_name(conn, directory);
2567 if (!NT_STATUS_IS_OK(status)) {
2571 dir_hnd = OpenDir(talloc_tos(), conn, directory, mask,
2573 if (dir_hnd == NULL) {
2574 return map_nt_error_from_unix(errno);
2577 /* XXXX the CIFS spec says that if bit0 of the flags2 field is set then
2578 the pattern matches against the long name, otherwise the short name
2579 We don't implement this yet XXXX
2582 status = NT_STATUS_NO_SUCH_FILE;
2584 while ((dname = ReadDirName(dir_hnd, &offset, &st))) {
2587 if (!is_visible_file(conn, directory, dname, &st,
2593 /* Quick check for "." and ".." */
2594 if (ISDOT(dname) || ISDOTDOT(dname)) {
2598 if(!mask_match(dname, mask, conn->case_sensitive)) {
2602 fname = talloc_asprintf(ctx, "%s/%s",
2606 return NT_STATUS_NO_MEMORY;
2609 status = check_name(conn, fname);
2610 if (!NT_STATUS_IS_OK(status)) {
2611 TALLOC_FREE(dir_hnd);
2615 status = do_unlink(conn, req, fname, dirtype);
2616 if (!NT_STATUS_IS_OK(status)) {
2622 DEBUG(3,("unlink_internals: successful unlink [%s]\n",
2627 TALLOC_FREE(dir_hnd);
2630 if (count == 0 && NT_STATUS_IS_OK(status) && errno != 0) {
2631 status = map_nt_error_from_unix(errno);
2637 /****************************************************************************
2639 ****************************************************************************/
2641 void reply_unlink(struct smb_request *req)
2643 connection_struct *conn = req->conn;
2647 bool path_contains_wcard = False;
2648 TALLOC_CTX *ctx = talloc_tos();
2650 START_PROFILE(SMBunlink);
2653 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2654 END_PROFILE(SMBunlink);
2658 dirtype = SVAL(req->vwv+0, 0);
2660 srvstr_get_path_req_wcard(ctx, req, &name, (const char *)req->buf + 1,
2661 STR_TERMINATE, &status,
2662 &path_contains_wcard);
2663 if (!NT_STATUS_IS_OK(status)) {
2664 reply_nterror(req, status);
2665 END_PROFILE(SMBunlink);
2669 status = resolve_dfspath_wcard(ctx, conn,
2670 req->flags2 & FLAGS2_DFS_PATHNAMES,
2673 &path_contains_wcard);
2674 if (!NT_STATUS_IS_OK(status)) {
2675 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2676 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2677 ERRSRV, ERRbadpath);
2678 END_PROFILE(SMBunlink);
2681 reply_nterror(req, status);
2682 END_PROFILE(SMBunlink);
2686 DEBUG(3,("reply_unlink : %s\n",name));
2688 status = unlink_internals(conn, req, dirtype, name,
2689 path_contains_wcard);
2690 if (!NT_STATUS_IS_OK(status)) {
2691 if (open_was_deferred(req->mid)) {
2692 /* We have re-scheduled this call. */
2693 END_PROFILE(SMBunlink);
2696 reply_nterror(req, status);
2697 END_PROFILE(SMBunlink);
2701 reply_outbuf(req, 0, 0);
2702 END_PROFILE(SMBunlink);
2707 /****************************************************************************
2709 ****************************************************************************/
2711 static void fail_readraw(void)
2713 const char *errstr = talloc_asprintf(talloc_tos(),
2714 "FAIL ! reply_readbraw: socket write fail (%s)",
2719 exit_server_cleanly(errstr);
2722 /****************************************************************************
2723 Fake (read/write) sendfile. Returns -1 on read or write fail.
2724 ****************************************************************************/
2726 static ssize_t fake_sendfile(files_struct *fsp, SMB_OFF_T startpos,
2730 size_t tosend = nread;
2737 bufsize = MIN(nread, 65536);
2739 if (!(buf = SMB_MALLOC_ARRAY(char, bufsize))) {
2743 while (tosend > 0) {
2747 if (tosend > bufsize) {
2752 ret = read_file(fsp,buf,startpos,cur_read);
2758 /* If we had a short read, fill with zeros. */
2759 if (ret < cur_read) {
2760 memset(buf, '\0', cur_read - ret);
2763 if (write_data(smbd_server_fd(),buf,cur_read) != cur_read) {
2768 startpos += cur_read;
2772 return (ssize_t)nread;
2775 #if defined(WITH_SENDFILE)
2776 /****************************************************************************
2777 Deal with the case of sendfile reading less bytes from the file than
2778 requested. Fill with zeros (all we can do).
2779 ****************************************************************************/
2781 static void sendfile_short_send(files_struct *fsp,
2786 if (nread < headersize) {
2787 DEBUG(0,("sendfile_short_send: sendfile failed to send "
2788 "header for file %s (%s). Terminating\n",
2789 fsp->fsp_name, strerror(errno) ));
2790 exit_server_cleanly("sendfile_short_send failed");
2793 nread -= headersize;
2795 if (nread < smb_maxcnt) {
2796 char *buf = SMB_CALLOC_ARRAY(char, 1024);
2798 exit_server_cleanly("sendfile_short_send: "
2802 DEBUG(0,("sendfile_short_send: filling truncated file %s "
2803 "with zeros !\n", fsp->fsp_name));
2805 while (nread < smb_maxcnt) {
2807 * We asked for the real file size and told sendfile
2808 * to not go beyond the end of the file. But it can
2809 * happen that in between our fstat call and the
2810 * sendfile call the file was truncated. This is very
2811 * bad because we have already announced the larger
2812 * number of bytes to the client.
2814 * The best we can do now is to send 0-bytes, just as
2815 * a read from a hole in a sparse file would do.
2817 * This should happen rarely enough that I don't care
2818 * about efficiency here :-)
2822 to_write = MIN(sizeof(buf), smb_maxcnt - nread);
2823 if (write_data(smbd_server_fd(), buf, to_write) != to_write) {
2824 exit_server_cleanly("sendfile_short_send: "
2825 "write_data failed");
2832 #endif /* defined WITH_SENDFILE */
2834 /****************************************************************************
2835 Return a readbraw error (4 bytes of zero).
2836 ****************************************************************************/
2838 static void reply_readbraw_error(void)
2842 if (write_data(smbd_server_fd(),header,4) != 4) {
2847 /****************************************************************************
2848 Use sendfile in readbraw.
2849 ****************************************************************************/
2851 static void send_file_readbraw(connection_struct *conn,
2852 struct smb_request *req,
2858 char *outbuf = NULL;
2861 #if defined(WITH_SENDFILE)
2863 * We can only use sendfile on a non-chained packet
2864 * but we can use on a non-oplocked file. tridge proved this
2865 * on a train in Germany :-). JRA.
2866 * reply_readbraw has already checked the length.
2869 if ( !req_is_in_chain(req) && (nread > 0) && (fsp->base_fsp == NULL) &&
2870 (fsp->wcp == NULL) &&
2871 lp_use_sendfile(SNUM(conn), smbd_server_conn->signing_state) ) {
2872 ssize_t sendfile_read = -1;
2874 DATA_BLOB header_blob;
2876 _smb_setlen(header,nread);
2877 header_blob = data_blob_const(header, 4);
2879 if ((sendfile_read = SMB_VFS_SENDFILE(smbd_server_fd(), fsp,
2880 &header_blob, startpos, nread)) == -1) {
2881 /* Returning ENOSYS means no data at all was sent.
2882 * Do this as a normal read. */
2883 if (errno == ENOSYS) {
2884 goto normal_readbraw;
2888 * Special hack for broken Linux with no working sendfile. If we
2889 * return EINTR we sent the header but not the rest of the data.
2890 * Fake this up by doing read/write calls.
2892 if (errno == EINTR) {
2893 /* Ensure we don't do this again. */
2894 set_use_sendfile(SNUM(conn), False);
2895 DEBUG(0,("send_file_readbraw: sendfile not available. Faking..\n"));
2897 if (fake_sendfile(fsp, startpos, nread) == -1) {
2898 DEBUG(0,("send_file_readbraw: fake_sendfile failed for file %s (%s).\n",
2899 fsp->fsp_name, strerror(errno) ));
2900 exit_server_cleanly("send_file_readbraw fake_sendfile failed");
2905 DEBUG(0,("send_file_readbraw: sendfile failed for file %s (%s). Terminating\n",
2906 fsp->fsp_name, strerror(errno) ));
2907 exit_server_cleanly("send_file_readbraw sendfile failed");
2908 } else if (sendfile_read == 0) {
2910 * Some sendfile implementations return 0 to indicate
2911 * that there was a short read, but nothing was
2912 * actually written to the socket. In this case,
2913 * fallback to the normal read path so the header gets
2914 * the correct byte count.
2916 DEBUG(3, ("send_file_readbraw: sendfile sent zero "
2917 "bytes falling back to the normal read: "
2918 "%s\n", fsp->fsp_name));
2919 goto normal_readbraw;
2922 /* Deal with possible short send. */
2923 if (sendfile_read != 4+nread) {
2924 sendfile_short_send(fsp, sendfile_read, 4, nread);
2932 outbuf = TALLOC_ARRAY(NULL, char, nread+4);
2934 DEBUG(0,("send_file_readbraw: TALLOC_ARRAY failed for size %u.\n",
2935 (unsigned)(nread+4)));
2936 reply_readbraw_error();
2941 ret = read_file(fsp,outbuf+4,startpos,nread);
2942 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
2951 _smb_setlen(outbuf,ret);
2952 if (write_data(smbd_server_fd(),outbuf,4+ret) != 4+ret)
2955 TALLOC_FREE(outbuf);
2958 /****************************************************************************
2959 Reply to a readbraw (core+ protocol).
2960 ****************************************************************************/
2962 void reply_readbraw(struct smb_request *req)
2964 connection_struct *conn = req->conn;
2965 ssize_t maxcount,mincount;
2969 struct lock_struct lock;
2973 START_PROFILE(SMBreadbraw);
2975 if (srv_is_signing_active(smbd_server_conn) ||
2976 is_encrypted_packet(req->inbuf)) {
2977 exit_server_cleanly("reply_readbraw: SMB signing/sealing is active - "
2978 "raw reads/writes are disallowed.");
2982 reply_readbraw_error();
2983 END_PROFILE(SMBreadbraw);
2988 * Special check if an oplock break has been issued
2989 * and the readraw request croses on the wire, we must
2990 * return a zero length response here.
2993 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
2996 * We have to do a check_fsp by hand here, as
2997 * we must always return 4 zero bytes on error,
3001 if (!fsp || !conn || conn != fsp->conn ||
3002 req->vuid != fsp->vuid ||
3003 fsp->is_directory || fsp->fh->fd == -1) {
3005 * fsp could be NULL here so use the value from the packet. JRA.
3007 DEBUG(3,("reply_readbraw: fnum %d not valid "
3009 (int)SVAL(req->vwv+0, 0)));
3010 reply_readbraw_error();
3011 END_PROFILE(SMBreadbraw);
3015 /* Do a "by hand" version of CHECK_READ. */
3016 if (!(fsp->can_read ||
3017 ((req->flags2 & FLAGS2_READ_PERMIT_EXECUTE) &&
3018 (fsp->access_mask & FILE_EXECUTE)))) {
3019 DEBUG(3,("reply_readbraw: fnum %d not readable.\n",
3020 (int)SVAL(req->vwv+0, 0)));
3021 reply_readbraw_error();
3022 END_PROFILE(SMBreadbraw);
3026 flush_write_cache(fsp, READRAW_FLUSH);
3028 startpos = IVAL_TO_SMB_OFF_T(req->vwv+1, 0);
3029 if(req->wct == 10) {
3031 * This is a large offset (64 bit) read.
3033 #ifdef LARGE_SMB_OFF_T
3035 startpos |= (((SMB_OFF_T)IVAL(req->vwv+8, 0)) << 32);
3037 #else /* !LARGE_SMB_OFF_T */
3040 * Ensure we haven't been sent a >32 bit offset.
3043 if(IVAL(req->vwv+8, 0) != 0) {
3044 DEBUG(0,("reply_readbraw: large offset "
3045 "(%x << 32) used and we don't support "
3046 "64 bit offsets.\n",
3047 (unsigned int)IVAL(req->vwv+8, 0) ));
3048 reply_readbraw_error();
3049 END_PROFILE(SMBreadbraw);
3053 #endif /* LARGE_SMB_OFF_T */
3056 DEBUG(0,("reply_readbraw: negative 64 bit "
3057 "readraw offset (%.0f) !\n",
3058 (double)startpos ));
3059 reply_readbraw_error();
3060 END_PROFILE(SMBreadbraw);
3065 maxcount = (SVAL(req->vwv+3, 0) & 0xFFFF);
3066 mincount = (SVAL(req->vwv+4, 0) & 0xFFFF);
3068 /* ensure we don't overrun the packet size */
3069 maxcount = MIN(65535,maxcount);
3071 init_strict_lock_struct(fsp, (uint32)req->smbpid,
3072 (uint64_t)startpos, (uint64_t)maxcount, READ_LOCK,
3075 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
3076 reply_readbraw_error();
3077 END_PROFILE(SMBreadbraw);
3081 if (SMB_VFS_FSTAT(fsp, &st) == 0) {
3085 if (startpos >= size) {
3088 nread = MIN(maxcount,(size - startpos));
3091 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
3092 if (nread < mincount)
3096 DEBUG( 3, ( "reply_readbraw: fnum=%d start=%.0f max=%lu "
3097 "min=%lu nread=%lu\n",
3098 fsp->fnum, (double)startpos,
3099 (unsigned long)maxcount,
3100 (unsigned long)mincount,
3101 (unsigned long)nread ) );
3103 send_file_readbraw(conn, req, fsp, startpos, nread, mincount);
3105 DEBUG(5,("reply_readbraw finished\n"));
3107 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3109 END_PROFILE(SMBreadbraw);
3114 #define DBGC_CLASS DBGC_LOCKING
3116 /****************************************************************************
3117 Reply to a lockread (core+ protocol).
3118 ****************************************************************************/
3120 void reply_lockread(struct smb_request *req)
3122 connection_struct *conn = req->conn;
3129 struct byte_range_lock *br_lck = NULL;
3132 START_PROFILE(SMBlockread);
3135 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3136 END_PROFILE(SMBlockread);
3140 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3142 if (!check_fsp(conn, req, fsp)) {
3143 END_PROFILE(SMBlockread);
3147 if (!CHECK_READ(fsp,req)) {
3148 reply_doserror(req, ERRDOS, ERRbadaccess);
3149 END_PROFILE(SMBlockread);
3153 numtoread = SVAL(req->vwv+1, 0);
3154 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3156 numtoread = MIN(BUFFER_SIZE - (smb_size + 3*2 + 3), numtoread);
3158 reply_outbuf(req, 5, numtoread + 3);
3160 data = smb_buf(req->outbuf) + 3;
3163 * NB. Discovered by Menny Hamburger at Mainsoft. This is a core+
3164 * protocol request that predates the read/write lock concept.
3165 * Thus instead of asking for a read lock here we need to ask
3166 * for a write lock. JRA.
3167 * Note that the requested lock size is unaffected by max_recv.
3170 br_lck = do_lock(smbd_messaging_context(),
3173 (uint64_t)numtoread,
3177 False, /* Non-blocking lock. */
3181 TALLOC_FREE(br_lck);
3183 if (NT_STATUS_V(status)) {
3184 reply_nterror(req, status);
3185 END_PROFILE(SMBlockread);
3190 * However the requested READ size IS affected by max_recv. Insanity.... JRA.
3193 if (numtoread > max_recv) {
3194 DEBUG(0,("reply_lockread: requested read size (%u) is greater than maximum allowed (%u). \
3195 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
3196 (unsigned int)numtoread, (unsigned int)max_recv ));
3197 numtoread = MIN(numtoread,max_recv);
3199 nread = read_file(fsp,data,startpos,numtoread);
3202 reply_unixerror(req, ERRDOS, ERRnoaccess);
3203 END_PROFILE(SMBlockread);
3207 srv_set_message((char *)req->outbuf, 5, nread+3, False);
3209 SSVAL(req->outbuf,smb_vwv0,nread);
3210 SSVAL(req->outbuf,smb_vwv5,nread+3);
3211 p = smb_buf(req->outbuf);
3212 SCVAL(p,0,0); /* pad byte. */
3215 DEBUG(3,("lockread fnum=%d num=%d nread=%d\n",
3216 fsp->fnum, (int)numtoread, (int)nread));
3218 END_PROFILE(SMBlockread);
3223 #define DBGC_CLASS DBGC_ALL
3225 /****************************************************************************
3227 ****************************************************************************/
3229 void reply_read(struct smb_request *req)
3231 connection_struct *conn = req->conn;
3238 struct lock_struct lock;
3240 START_PROFILE(SMBread);
3243 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3244 END_PROFILE(SMBread);
3248 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3250 if (!check_fsp(conn, req, fsp)) {
3251 END_PROFILE(SMBread);
3255 if (!CHECK_READ(fsp,req)) {
3256 reply_doserror(req, ERRDOS, ERRbadaccess);
3257 END_PROFILE(SMBread);
3261 numtoread = SVAL(req->vwv+1, 0);
3262 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3264 numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
3267 * The requested read size cannot be greater than max_recv. JRA.
3269 if (numtoread > max_recv) {
3270 DEBUG(0,("reply_read: requested read size (%u) is greater than maximum allowed (%u). \
3271 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
3272 (unsigned int)numtoread, (unsigned int)max_recv ));
3273 numtoread = MIN(numtoread,max_recv);
3276 reply_outbuf(req, 5, numtoread+3);
3278 data = smb_buf(req->outbuf) + 3;
3280 init_strict_lock_struct(fsp, (uint32)req->smbpid,
3281 (uint64_t)startpos, (uint64_t)numtoread, READ_LOCK,
3284 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
3285 reply_doserror(req, ERRDOS,ERRlock);
3286 END_PROFILE(SMBread);
3291 nread = read_file(fsp,data,startpos,numtoread);
3294 reply_unixerror(req, ERRDOS,ERRnoaccess);
3298 srv_set_message((char *)req->outbuf, 5, nread+3, False);
3300 SSVAL(req->outbuf,smb_vwv0,nread);
3301 SSVAL(req->outbuf,smb_vwv5,nread+3);
3302 SCVAL(smb_buf(req->outbuf),0,1);
3303 SSVAL(smb_buf(req->outbuf),1,nread);
3305 DEBUG( 3, ( "read fnum=%d num=%d nread=%d\n",
3306 fsp->fnum, (int)numtoread, (int)nread ) );
3309 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3311 END_PROFILE(SMBread);
3315 /****************************************************************************
3317 ****************************************************************************/
3319 static int setup_readX_header(struct smb_request *req, char *outbuf,
3325 outsize = srv_set_message(outbuf,12,smb_maxcnt,False);
3326 data = smb_buf(outbuf);
3328 memset(outbuf+smb_vwv0,'\0',24); /* valgrind init. */
3330 SCVAL(outbuf,smb_vwv0,0xFF);
3331 SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
3332 SSVAL(outbuf,smb_vwv5,smb_maxcnt);
3333 SSVAL(outbuf,smb_vwv6,
3335 + 1 /* the wct field */
3336 + 12 * sizeof(uint16_t) /* vwv */
3337 + 2); /* the buflen field */
3338 SSVAL(outbuf,smb_vwv7,(smb_maxcnt >> 16));
3339 SSVAL(outbuf,smb_vwv11,smb_maxcnt);
3340 /* Reset the outgoing length, set_message truncates at 0x1FFFF. */
3341 _smb_setlen_large(outbuf,(smb_size + 12*2 + smb_maxcnt - 4));
3345 /****************************************************************************
3346 Reply to a read and X - possibly using sendfile.
3347 ****************************************************************************/
3349 static void send_file_readX(connection_struct *conn, struct smb_request *req,
3350 files_struct *fsp, SMB_OFF_T startpos,
3353 SMB_STRUCT_STAT sbuf;
3355 struct lock_struct lock;
3357 if(SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
3358 reply_unixerror(req, ERRDOS, ERRnoaccess);
3362 init_strict_lock_struct(fsp, (uint32)req->smbpid,
3363 (uint64_t)startpos, (uint64_t)smb_maxcnt, READ_LOCK,
3366 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
3367 reply_doserror(req, ERRDOS, ERRlock);
3371 if (!S_ISREG(sbuf.st_mode) || (startpos > sbuf.st_size)
3372 || (smb_maxcnt > (sbuf.st_size - startpos))) {
3374 * We already know that we would do a short read, so don't
3375 * try the sendfile() path.
3377 goto nosendfile_read;
3380 #if defined(WITH_SENDFILE)
3382 * We can only use sendfile on a non-chained packet
3383 * but we can use on a non-oplocked file. tridge proved this
3384 * on a train in Germany :-). JRA.
3387 if (!req_is_in_chain(req) &&
3388 !is_encrypted_packet(req->inbuf) && (fsp->base_fsp == NULL) &&
3389 (fsp->wcp == NULL) &&
3390 lp_use_sendfile(SNUM(conn), smbd_server_conn->signing_state) ) {
3391 uint8 headerbuf[smb_size + 12 * 2];
3395 * Set up the packet header before send. We
3396 * assume here the sendfile will work (get the
3397 * correct amount of data).
3400 header = data_blob_const(headerbuf, sizeof(headerbuf));
3402 construct_reply_common_req(req, (char *)headerbuf);
3403 setup_readX_header(req, (char *)headerbuf, smb_maxcnt);
3405 if ((nread = SMB_VFS_SENDFILE(smbd_server_fd(), fsp, &header, startpos, smb_maxcnt)) == -1) {
3406 /* Returning ENOSYS means no data at all was sent.
3407 Do this as a normal read. */
3408 if (errno == ENOSYS) {
3413 * Special hack for broken Linux with no working sendfile. If we
3414 * return EINTR we sent the header but not the rest of the data.
3415 * Fake this up by doing read/write calls.
3418 if (errno == EINTR) {
3419 /* Ensure we don't do this again. */
3420 set_use_sendfile(SNUM(conn), False);
3421 DEBUG(0,("send_file_readX: sendfile not available. Faking..\n"));
3422 nread = fake_sendfile(fsp, startpos,
3425 DEBUG(0,("send_file_readX: fake_sendfile failed for file %s (%s).\n",
3426 fsp->fsp_name, strerror(errno) ));
3427 exit_server_cleanly("send_file_readX: fake_sendfile failed");
3429 DEBUG( 3, ( "send_file_readX: fake_sendfile fnum=%d max=%d nread=%d\n",
3430 fsp->fnum, (int)smb_maxcnt, (int)nread ) );
3431 /* No outbuf here means successful sendfile. */
3435 DEBUG(0,("send_file_readX: sendfile failed for file %s (%s). Terminating\n",
3436 fsp->fsp_name, strerror(errno) ));
3437 exit_server_cleanly("send_file_readX sendfile failed");
3438 } else if (nread == 0) {
3440 * Some sendfile implementations return 0 to indicate
3441 * that there was a short read, but nothing was
3442 * actually written to the socket. In this case,
3443 * fallback to the normal read path so the header gets
3444 * the correct byte count.
3446 DEBUG(3, ("send_file_readX: sendfile sent zero bytes "
3447 "falling back to the normal read: %s\n",
3452 DEBUG( 3, ( "send_file_readX: sendfile fnum=%d max=%d nread=%d\n",
3453 fsp->fnum, (int)smb_maxcnt, (int)nread ) );
3455 /* Deal with possible short send. */
3456 if (nread != smb_maxcnt + sizeof(headerbuf)) {
3457 sendfile_short_send(fsp, nread, sizeof(headerbuf), smb_maxcnt);
3459 /* No outbuf here means successful sendfile. */
3460 SMB_PERFCOUNT_SET_MSGLEN_OUT(&req->pcd, nread);
3461 SMB_PERFCOUNT_END(&req->pcd);
3469 if ((smb_maxcnt & 0xFF0000) > 0x10000) {
3470 uint8 headerbuf[smb_size + 2*12];
3472 construct_reply_common_req(req, (char *)headerbuf);
3473 setup_readX_header(req, (char *)headerbuf, smb_maxcnt);
3475 /* Send out the header. */
3476 if (write_data(smbd_server_fd(), (char *)headerbuf,
3477 sizeof(headerbuf)) != sizeof(headerbuf)) {
3478 DEBUG(0,("send_file_readX: write_data failed for file %s (%s). Terminating\n",
3479 fsp->fsp_name, strerror(errno) ));
3480 exit_server_cleanly("send_file_readX sendfile failed");
3482 nread = fake_sendfile(fsp, startpos, smb_maxcnt);
3484 DEBUG(0,("send_file_readX: fake_sendfile failed for file %s (%s).\n",
3485 fsp->fsp_name, strerror(errno) ));
3486 exit_server_cleanly("send_file_readX: fake_sendfile failed");
3493 reply_outbuf(req, 12, smb_maxcnt);
3495 nread = read_file(fsp, smb_buf(req->outbuf), startpos, smb_maxcnt);
3497 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3500 reply_unixerror(req, ERRDOS, ERRnoaccess);
3504 setup_readX_header(req, (char *)req->outbuf, nread);
3506 DEBUG( 3, ( "send_file_readX fnum=%d max=%d nread=%d\n",
3507 fsp->fnum, (int)smb_maxcnt, (int)nread ) );
3513 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3514 TALLOC_FREE(req->outbuf);
3518 /****************************************************************************
3519 Reply to a read and X.
3520 ****************************************************************************/
3522 void reply_read_and_X(struct smb_request *req)
3524 connection_struct *conn = req->conn;
3528 bool big_readX = False;
3530 size_t smb_mincnt = SVAL(req->vwv+6, 0);
3533 START_PROFILE(SMBreadX);
3535 if ((req->wct != 10) && (req->wct != 12)) {
3536 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3540 fsp = file_fsp(req, SVAL(req->vwv+2, 0));
3541 startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
3542 smb_maxcnt = SVAL(req->vwv+5, 0);
3544 /* If it's an IPC, pass off the pipe handler. */
3546 reply_pipe_read_and_X(req);
3547 END_PROFILE(SMBreadX);
3551 if (!check_fsp(conn, req, fsp)) {
3552 END_PROFILE(SMBreadX);
3556 if (!CHECK_READ(fsp,req)) {
3557 reply_doserror(req, ERRDOS,ERRbadaccess);
3558 END_PROFILE(SMBreadX);
3562 if (global_client_caps & CAP_LARGE_READX) {
3563 size_t upper_size = SVAL(req->vwv+7, 0);
3564 smb_maxcnt |= (upper_size<<16);
3565 if (upper_size > 1) {
3566 /* Can't do this on a chained packet. */
3567 if ((CVAL(req->vwv+0, 0) != 0xFF)) {
3568 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
3569 END_PROFILE(SMBreadX);
3572 /* We currently don't do this on signed or sealed data. */
3573 if (srv_is_signing_active(smbd_server_conn) ||
3574 is_encrypted_packet(req->inbuf)) {
3575 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
3576 END_PROFILE(SMBreadX);
3579 /* Is there room in the reply for this data ? */
3580 if (smb_maxcnt > (0xFFFFFF - (smb_size -4 + 12*2))) {
3582 NT_STATUS_INVALID_PARAMETER);
3583 END_PROFILE(SMBreadX);
3590 if (req->wct == 12) {
3591 #ifdef LARGE_SMB_OFF_T
3593 * This is a large offset (64 bit) read.
3595 startpos |= (((SMB_OFF_T)IVAL(req->vwv+10, 0)) << 32);
3597 #else /* !LARGE_SMB_OFF_T */
3600 * Ensure we haven't been sent a >32 bit offset.
3603 if(IVAL(req->vwv+10, 0) != 0) {
3604 DEBUG(0,("reply_read_and_X - large offset (%x << 32) "
3605 "used and we don't support 64 bit offsets.\n",
3606 (unsigned int)IVAL(req->vwv+10, 0) ));
3607 END_PROFILE(SMBreadX);
3608 reply_doserror(req, ERRDOS, ERRbadaccess);
3612 #endif /* LARGE_SMB_OFF_T */
3617 schedule_aio_read_and_X(conn, req, fsp, startpos, smb_maxcnt)) {
3621 send_file_readX(conn, req, fsp, startpos, smb_maxcnt);
3624 END_PROFILE(SMBreadX);
3628 /****************************************************************************
3629 Error replies to writebraw must have smb_wct == 1. Fix this up.
3630 ****************************************************************************/
3632 void error_to_writebrawerr(struct smb_request *req)
3634 uint8 *old_outbuf = req->outbuf;
3636 reply_outbuf(req, 1, 0);
3638 memcpy(req->outbuf, old_outbuf, smb_size);
3639 TALLOC_FREE(old_outbuf);
3642 /****************************************************************************
3643 Reply to a writebraw (core+ or LANMAN1.0 protocol).
3644 ****************************************************************************/
3646 void reply_writebraw(struct smb_request *req)
3648 connection_struct *conn = req->conn;
3651 ssize_t total_written=0;
3652 size_t numtowrite=0;
3658 struct lock_struct lock;
3661 START_PROFILE(SMBwritebraw);
3664 * If we ever reply with an error, it must have the SMB command
3665 * type of SMBwritec, not SMBwriteBraw, as this tells the client
3668 SCVAL(req->inbuf,smb_com,SMBwritec);
3670 if (srv_is_signing_active(smbd_server_conn)) {
3671 END_PROFILE(SMBwritebraw);
3672 exit_server_cleanly("reply_writebraw: SMB signing is active - "
3673 "raw reads/writes are disallowed.");
3676 if (req->wct < 12) {
3677 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3678 error_to_writebrawerr(req);
3679 END_PROFILE(SMBwritebraw);
3683 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3684 if (!check_fsp(conn, req, fsp)) {
3685 error_to_writebrawerr(req);
3686 END_PROFILE(SMBwritebraw);
3690 if (!CHECK_WRITE(fsp)) {
3691 reply_doserror(req, ERRDOS, ERRbadaccess);
3692 error_to_writebrawerr(req);
3693 END_PROFILE(SMBwritebraw);
3697 tcount = IVAL(req->vwv+1, 0);
3698 startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
3699 write_through = BITSETW(req->vwv+7,0);
3701 /* We have to deal with slightly different formats depending
3702 on whether we are using the core+ or lanman1.0 protocol */
3704 if(Protocol <= PROTOCOL_COREPLUS) {
3705 numtowrite = SVAL(smb_buf(req->inbuf),-2);
3706 data = smb_buf(req->inbuf);
3708 numtowrite = SVAL(req->vwv+10, 0);
3709 data = smb_base(req->inbuf) + SVAL(req->vwv+11, 0);
3712 /* Ensure we don't write bytes past the end of this packet. */
3713 if (data + numtowrite > smb_base(req->inbuf) + smb_len(req->inbuf)) {
3714 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3715 error_to_writebrawerr(req);
3716 END_PROFILE(SMBwritebraw);
3720 init_strict_lock_struct(fsp, (uint32)req->smbpid,
3721 (uint64_t)startpos, (uint64_t)tcount, WRITE_LOCK,
3724 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
3725 reply_doserror(req, ERRDOS, ERRlock);
3726 error_to_writebrawerr(req);
3727 END_PROFILE(SMBwritebraw);
3732 nwritten = write_file(req,fsp,data,startpos,numtowrite);
3735 DEBUG(3,("reply_writebraw: initial write fnum=%d start=%.0f num=%d "
3736 "wrote=%d sync=%d\n",
3737 fsp->fnum, (double)startpos, (int)numtowrite,
3738 (int)nwritten, (int)write_through));
3740 if (nwritten < (ssize_t)numtowrite) {
3741 reply_unixerror(req, ERRHRD, ERRdiskfull);
3742 error_to_writebrawerr(req);
3746 total_written = nwritten;
3748 /* Allocate a buffer of 64k + length. */
3749 buf = TALLOC_ARRAY(NULL, char, 65540);
3751 reply_doserror(req, ERRDOS, ERRnomem);
3752 error_to_writebrawerr(req);
3756 /* Return a SMBwritebraw message to the redirector to tell
3757 * it to send more bytes */
3759 memcpy(buf, req->inbuf, smb_size);
3760 srv_set_message(buf,Protocol>PROTOCOL_COREPLUS?1:0,0,True);
3761 SCVAL(buf,smb_com,SMBwritebraw);
3762 SSVALS(buf,smb_vwv0,0xFFFF);
3764 if (!srv_send_smb(smbd_server_fd(),
3766 false, 0, /* no signing */
3767 IS_CONN_ENCRYPTED(conn),
3769 exit_server_cleanly("reply_writebraw: srv_send_smb "
3773 /* Now read the raw data into the buffer and write it */
3774 status = read_smb_length(smbd_server_fd(), buf, SMB_SECONDARY_WAIT,
3776 if (!NT_STATUS_IS_OK(status)) {
3777 exit_server_cleanly("secondary writebraw failed");
3780 /* Set up outbuf to return the correct size */
3781 reply_outbuf(req, 1, 0);
3783 if (numtowrite != 0) {
3785 if (numtowrite > 0xFFFF) {
3786 DEBUG(0,("reply_writebraw: Oversize secondary write "
3787 "raw requested (%u). Terminating\n",
3788 (unsigned int)numtowrite ));
3789 exit_server_cleanly("secondary writebraw failed");
3792 if (tcount > nwritten+numtowrite) {
3793 DEBUG(3,("reply_writebraw: Client overestimated the "
3795 (int)tcount,(int)nwritten,(int)numtowrite));
3798 status = read_data(smbd_server_fd(), buf+4, numtowrite);
3800 if (!NT_STATUS_IS_OK(status)) {
3801 DEBUG(0,("reply_writebraw: Oversize secondary write "
3802 "raw read failed (%s). Terminating\n",
3803 nt_errstr(status)));
3804 exit_server_cleanly("secondary writebraw failed");
3807 nwritten = write_file(req,fsp,buf+4,startpos+nwritten,numtowrite);
3808 if (nwritten == -1) {
3810 reply_unixerror(req, ERRHRD, ERRdiskfull);
3811 error_to_writebrawerr(req);
3815 if (nwritten < (ssize_t)numtowrite) {
3816 SCVAL(req->outbuf,smb_rcls,ERRHRD);
3817 SSVAL(req->outbuf,smb_err,ERRdiskfull);
3821 total_written += nwritten;
3826 SSVAL(req->outbuf,smb_vwv0,total_written);
3828 status = sync_file(conn, fsp, write_through);
3829 if (!NT_STATUS_IS_OK(status)) {
3830 DEBUG(5,("reply_writebraw: sync_file for %s returned %s\n",
3831 fsp->fsp_name, nt_errstr(status) ));
3832 reply_nterror(req, status);
3833 error_to_writebrawerr(req);
3837 DEBUG(3,("reply_writebraw: secondart write fnum=%d start=%.0f num=%d "
3839 fsp->fnum, (double)startpos, (int)numtowrite,
3840 (int)total_written));
3842 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3844 /* We won't return a status if write through is not selected - this
3845 * follows what WfWg does */
3846 END_PROFILE(SMBwritebraw);
3848 if (!write_through && total_written==tcount) {
3850 #if RABBIT_PELLET_FIX
3852 * Fix for "rabbit pellet" mode, trigger an early TCP ack by
3853 * sending a SMBkeepalive. Thanks to DaveCB at Sun for this.
3856 if (!send_keepalive(smbd_server_fd())) {
3857 exit_server_cleanly("reply_writebraw: send of "
3858 "keepalive failed");
3861 TALLOC_FREE(req->outbuf);
3866 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3868 END_PROFILE(SMBwritebraw);
3873 #define DBGC_CLASS DBGC_LOCKING
3875 /****************************************************************************
3876 Reply to a writeunlock (core+).
3877 ****************************************************************************/
3879 void reply_writeunlock(struct smb_request *req)
3881 connection_struct *conn = req->conn;
3882 ssize_t nwritten = -1;
3886 NTSTATUS status = NT_STATUS_OK;
3888 struct lock_struct lock;
3890 START_PROFILE(SMBwriteunlock);
3893 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3894 END_PROFILE(SMBwriteunlock);
3898 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3900 if (!check_fsp(conn, req, fsp)) {
3901 END_PROFILE(SMBwriteunlock);
3905 if (!CHECK_WRITE(fsp)) {
3906 reply_doserror(req, ERRDOS,ERRbadaccess);
3907 END_PROFILE(SMBwriteunlock);
3911 numtowrite = SVAL(req->vwv+1, 0);
3912 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3913 data = (const char *)req->buf + 3;
3916 init_strict_lock_struct(fsp, (uint32)req->smbpid,
3917 (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
3920 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
3921 reply_doserror(req, ERRDOS, ERRlock);
3922 END_PROFILE(SMBwriteunlock);
3927 /* The special X/Open SMB protocol handling of
3928 zero length writes is *NOT* done for
3930 if(numtowrite == 0) {
3933 nwritten = write_file(req,fsp,data,startpos,numtowrite);
3936 status = sync_file(conn, fsp, False /* write through */);
3937 if (!NT_STATUS_IS_OK(status)) {
3938 DEBUG(5,("reply_writeunlock: sync_file for %s returned %s\n",
3939 fsp->fsp_name, nt_errstr(status) ));
3940 reply_nterror(req, status);
3944 if(((nwritten < numtowrite) && (numtowrite != 0))||(nwritten < 0)) {
3945 reply_unixerror(req, ERRHRD, ERRdiskfull);
3950 status = do_unlock(smbd_messaging_context(),
3953 (uint64_t)numtowrite,
3957 if (NT_STATUS_V(status)) {
3958 reply_nterror(req, status);
3963 reply_outbuf(req, 1, 0);
3965 SSVAL(req->outbuf,smb_vwv0,nwritten);
3967 DEBUG(3,("writeunlock fnum=%d num=%d wrote=%d\n",
3968 fsp->fnum, (int)numtowrite, (int)nwritten));
3972 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
3975 END_PROFILE(SMBwriteunlock);
3980 #define DBGC_CLASS DBGC_ALL
3982 /****************************************************************************
3984 ****************************************************************************/
3986 void reply_write(struct smb_request *req)
3988 connection_struct *conn = req->conn;
3990 ssize_t nwritten = -1;
3994 struct lock_struct lock;
3997 START_PROFILE(SMBwrite);
4000 END_PROFILE(SMBwrite);
4001 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4005 /* If it's an IPC, pass off the pipe handler. */
4007 reply_pipe_write(req);
4008 END_PROFILE(SMBwrite);
4012 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4014 if (!check_fsp(conn, req, fsp)) {
4015 END_PROFILE(SMBwrite);
4019 if (!CHECK_WRITE(fsp)) {
4020 reply_doserror(req, ERRDOS, ERRbadaccess);
4021 END_PROFILE(SMBwrite);
4025 numtowrite = SVAL(req->vwv+1, 0);
4026 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
4027 data = (const char *)req->buf + 3;
4029 init_strict_lock_struct(fsp, (uint32)req->smbpid,
4030 (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
4033 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
4034 reply_doserror(req, ERRDOS, ERRlock);
4035 END_PROFILE(SMBwrite);
4040 * X/Open SMB protocol says that if smb_vwv1 is
4041 * zero then the file size should be extended or
4042 * truncated to the size given in smb_vwv[2-3].
4045 if(numtowrite == 0) {
4047 * This is actually an allocate call, and set EOF. JRA.
4049 nwritten = vfs_allocate_file_space(fsp, (SMB_OFF_T)startpos);
4051 reply_nterror(req, NT_STATUS_DISK_FULL);
4054 nwritten = vfs_set_filelen(fsp, (SMB_OFF_T)startpos);
4056 reply_nterror(req, NT_STATUS_DISK_FULL);
4059 trigger_write_time_update_immediate(fsp);
4061 nwritten = write_file(req,fsp,data,startpos,numtowrite);
4064 status = sync_file(conn, fsp, False);
4065 if (!NT_STATUS_IS_OK(status)) {
4066 DEBUG(5,("reply_write: sync_file for %s returned %s\n",
4067 fsp->fsp_name, nt_errstr(status) ));
4068 reply_nterror(req, status);
4072 if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
4073 reply_unixerror(req, ERRHRD, ERRdiskfull);
4077 reply_outbuf(req, 1, 0);
4079 SSVAL(req->outbuf,smb_vwv0,nwritten);
4081 if (nwritten < (ssize_t)numtowrite) {
4082 SCVAL(req->outbuf,smb_rcls,ERRHRD);
4083 SSVAL(req->outbuf,smb_err,ERRdiskfull);
4086 DEBUG(3,("write fnum=%d num=%d wrote=%d\n", fsp->fnum, (int)numtowrite, (int)nwritten));
4089 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
4091 END_PROFILE(SMBwrite);
4095 /****************************************************************************
4096 Ensure a buffer is a valid writeX for recvfile purposes.
4097 ****************************************************************************/
4099 #define STANDARD_WRITE_AND_X_HEADER_SIZE (smb_size - 4 + /* basic header */ \
4100 (2*14) + /* word count (including bcc) */ \
4103 bool is_valid_writeX_buffer(const uint8_t *inbuf)
4106 connection_struct *conn = NULL;
4107 unsigned int doff = 0;
4108 size_t len = smb_len_large(inbuf);
4110 if (is_encrypted_packet(inbuf)) {
4111 /* Can't do this on encrypted
4116 if (CVAL(inbuf,smb_com) != SMBwriteX) {
4120 if (CVAL(inbuf,smb_vwv0) != 0xFF ||
4121 CVAL(inbuf,smb_wct) != 14) {
4122 DEBUG(10,("is_valid_writeX_buffer: chained or "
4123 "invalid word length.\n"));
4127 conn = conn_find(SVAL(inbuf, smb_tid));
4129 DEBUG(10,("is_valid_writeX_buffer: bad tid\n"));
4133 DEBUG(10,("is_valid_writeX_buffer: IPC$ tid\n"));
4136 if (IS_PRINT(conn)) {
4137 DEBUG(10,("is_valid_writeX_buffer: printing tid\n"));
4140 doff = SVAL(inbuf,smb_vwv11);
4142 numtowrite = SVAL(inbuf,smb_vwv10);
4144 if (len > doff && len - doff > 0xFFFF) {
4145 numtowrite |= (((size_t)SVAL(inbuf,smb_vwv9))<<16);
4148 if (numtowrite == 0) {
4149 DEBUG(10,("is_valid_writeX_buffer: zero write\n"));
4153 /* Ensure the sizes match up. */
4154 if (doff < STANDARD_WRITE_AND_X_HEADER_SIZE) {
4155 /* no pad byte...old smbclient :-( */
4156 DEBUG(10,("is_valid_writeX_buffer: small doff %u (min %u)\n",
4158 (unsigned int)STANDARD_WRITE_AND_X_HEADER_SIZE));
4162 if (len - doff != numtowrite) {
4163 DEBUG(10,("is_valid_writeX_buffer: doff mismatch "
4164 "len = %u, doff = %u, numtowrite = %u\n",
4167 (unsigned int)numtowrite ));
4171 DEBUG(10,("is_valid_writeX_buffer: true "
4172 "len = %u, doff = %u, numtowrite = %u\n",
4175 (unsigned int)numtowrite ));
4180 /****************************************************************************
4181 Reply to a write and X.
4182 ****************************************************************************/
4184 void reply_write_and_X(struct smb_request *req)
4186 connection_struct *conn = req->conn;
4188 struct lock_struct lock;
4193 unsigned int smb_doff;
4194 unsigned int smblen;
4198 START_PROFILE(SMBwriteX);
4200 if ((req->wct != 12) && (req->wct != 14)) {
4201 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4202 END_PROFILE(SMBwriteX);
4206 numtowrite = SVAL(req->vwv+10, 0);
4207 smb_doff = SVAL(req->vwv+11, 0);
4208 smblen = smb_len(req->inbuf);
4210 if (req->unread_bytes > 0xFFFF ||
4211 (smblen > smb_doff &&
4212 smblen - smb_doff > 0xFFFF)) {
4213 numtowrite |= (((size_t)SVAL(req->vwv+9, 0))<<16);
4216 if (req->unread_bytes) {
4217 /* Can't do a recvfile write on IPC$ */
4219 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4220 END_PROFILE(SMBwriteX);
4223 if (numtowrite != req->unread_bytes) {
4224 reply_doserror(req, ERRDOS, ERRbadmem);
4225 END_PROFILE(SMBwriteX);
4229 if (smb_doff > smblen || smb_doff + numtowrite < numtowrite ||
4230 smb_doff + numtowrite > smblen) {
4231 reply_doserror(req, ERRDOS, ERRbadmem);
4232 END_PROFILE(SMBwriteX);
4237 /* If it's an IPC, pass off the pipe handler. */
4239 if (req->unread_bytes) {
4240 reply_doserror(req, ERRDOS, ERRbadmem);
4241 END_PROFILE(SMBwriteX);
4244 reply_pipe_write_and_X(req);
4245 END_PROFILE(SMBwriteX);
4249 fsp = file_fsp(req, SVAL(req->vwv+2, 0));
4250 startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
4251 write_through = BITSETW(req->vwv+7,0);
4253 if (!check_fsp(conn, req, fsp)) {
4254 END_PROFILE(SMBwriteX);
4258 if (!CHECK_WRITE(fsp)) {
4259 reply_doserror(req, ERRDOS, ERRbadaccess);
4260 END_PROFILE(SMBwriteX);
4264 data = smb_base(req->inbuf) + smb_doff;
4266 if(req->wct == 14) {
4267 #ifdef LARGE_SMB_OFF_T
4269 * This is a large offset (64 bit) write.
4271 startpos |= (((SMB_OFF_T)IVAL(req->vwv+12, 0)) << 32);
4273 #else /* !LARGE_SMB_OFF_T */
4276 * Ensure we haven't been sent a >32 bit offset.
4279 if(IVAL(req->vwv+12, 0) != 0) {
4280 DEBUG(0,("reply_write_and_X - large offset (%x << 32) "
4281 "used and we don't support 64 bit offsets.\n",
4282 (unsigned int)IVAL(req->vwv+12, 0) ));
4283 reply_doserror(req, ERRDOS, ERRbadaccess);
4284 END_PROFILE(SMBwriteX);
4288 #endif /* LARGE_SMB_OFF_T */
4291 init_strict_lock_struct(fsp, (uint32)req->smbpid,
4292 (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
4295 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
4296 reply_doserror(req, ERRDOS, ERRlock);
4297 END_PROFILE(SMBwriteX);
4301 /* X/Open SMB protocol says that, unlike SMBwrite
4302 if the length is zero then NO truncation is
4303 done, just a write of zero. To truncate a file,
4306 if(numtowrite == 0) {
4310 if ((req->unread_bytes == 0) &&
4311 schedule_aio_write_and_X(conn, req, fsp, data, startpos,
4316 nwritten = write_file(req,fsp,data,startpos,numtowrite);
4319 if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
4320 reply_unixerror(req, ERRHRD, ERRdiskfull);
4324 reply_outbuf(req, 6, 0);
4325 SSVAL(req->outbuf,smb_vwv2,nwritten);
4326 SSVAL(req->outbuf,smb_vwv4,nwritten>>16);
4328 if (nwritten < (ssize_t)numtowrite) {
4329 SCVAL(req->outbuf,smb_rcls,ERRHRD);
4330 SSVAL(req->outbuf,smb_err,ERRdiskfull);
4333 DEBUG(3,("writeX fnum=%d num=%d wrote=%d\n",
4334 fsp->fnum, (int)numtowrite, (int)nwritten));
4336 status = sync_file(conn, fsp, write_through);
4337 if (!NT_STATUS_IS_OK(status)) {
4338 DEBUG(5,("reply_write_and_X: sync_file for %s returned %s\n",
4339 fsp->fsp_name, nt_errstr(status) ));
4340 reply_nterror(req, status);
4344 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
4346 END_PROFILE(SMBwriteX);
4351 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
4353 END_PROFILE(SMBwriteX);
4357 /****************************************************************************
4359 ****************************************************************************/
4361 void reply_lseek(struct smb_request *req)
4363 connection_struct *conn = req->conn;
4369 START_PROFILE(SMBlseek);
4372 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4373 END_PROFILE(SMBlseek);
4377 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4379 if (!check_fsp(conn, req, fsp)) {
4383 flush_write_cache(fsp, SEEK_FLUSH);
4385 mode = SVAL(req->vwv+1, 0) & 3;
4386 /* NB. This doesn't use IVAL_TO_SMB_OFF_T as startpos can be signed in this case. */
4387 startpos = (SMB_OFF_T)IVALS(req->vwv+2, 0);
4396 res = fsp->fh->pos + startpos;
4407 if (umode == SEEK_END) {
4408 if((res = SMB_VFS_LSEEK(fsp,startpos,umode)) == -1) {
4409 if(errno == EINVAL) {
4410 SMB_OFF_T current_pos = startpos;
4411 SMB_STRUCT_STAT sbuf;
4413 if(SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
4414 reply_unixerror(req, ERRDOS,
4416 END_PROFILE(SMBlseek);
4420 current_pos += sbuf.st_size;
4422 res = SMB_VFS_LSEEK(fsp,0,SEEK_SET);
4427 reply_unixerror(req, ERRDOS, ERRnoaccess);
4428 END_PROFILE(SMBlseek);
4435 reply_outbuf(req, 2, 0);
4436 SIVAL(req->outbuf,smb_vwv0,res);
4438 DEBUG(3,("lseek fnum=%d ofs=%.0f newpos = %.0f mode=%d\n",
4439 fsp->fnum, (double)startpos, (double)res, mode));
4441 END_PROFILE(SMBlseek);
4445 /****************************************************************************
4447 ****************************************************************************/
4449 void reply_flush(struct smb_request *req)
4451 connection_struct *conn = req->conn;
4455 START_PROFILE(SMBflush);
4458 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4462 fnum = SVAL(req->vwv+0, 0);
4463 fsp = file_fsp(req, fnum);
4465 if ((fnum != 0xFFFF) && !check_fsp(conn, req, fsp)) {
4470 file_sync_all(conn);
4472 NTSTATUS status = sync_file(conn, fsp, True);
4473 if (!NT_STATUS_IS_OK(status)) {
4474 DEBUG(5,("reply_flush: sync_file for %s returned %s\n",
4475 fsp->fsp_name, nt_errstr(status) ));
4476 reply_nterror(req, status);
4477 END_PROFILE(SMBflush);
4482 reply_outbuf(req, 0, 0);
4484 DEBUG(3,("flush\n"));
4485 END_PROFILE(SMBflush);
4489 /****************************************************************************
4491 conn POINTER CAN BE NULL HERE !
4492 ****************************************************************************/
4494 void reply_exit(struct smb_request *req)
4496 START_PROFILE(SMBexit);
4498 file_close_pid(req->smbpid, req->vuid);
4500 reply_outbuf(req, 0, 0);
4502 DEBUG(3,("exit\n"));
4504 END_PROFILE(SMBexit);
4508 /****************************************************************************
4509 Reply to a close - has to deal with closing a directory opened by NT SMB's.
4510 ****************************************************************************/
4512 void reply_close(struct smb_request *req)
4514 connection_struct *conn = req->conn;
4515 NTSTATUS status = NT_STATUS_OK;
4516 files_struct *fsp = NULL;
4517 START_PROFILE(SMBclose);
4520 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4521 END_PROFILE(SMBclose);
4525 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4528 * We can only use check_fsp if we know it's not a directory.
4531 if(!fsp || (fsp->conn != conn) || (fsp->vuid != req->vuid)) {
4532 reply_doserror(req, ERRDOS, ERRbadfid);
4533 END_PROFILE(SMBclose);
4537 if(fsp->is_directory) {
4539 * Special case - close NT SMB directory handle.
4541 DEBUG(3,("close directory fnum=%d\n", fsp->fnum));
4542 status = close_file(req, fsp, NORMAL_CLOSE);
4546 * Close ordinary file.
4549 DEBUG(3,("close fd=%d fnum=%d (numopen=%d)\n",
4550 fsp->fh->fd, fsp->fnum,
4551 conn->num_files_open));
4554 * Take care of any time sent in the close.
4557 t = srv_make_unix_date3(req->vwv+1);
4558 set_close_write_time(fsp, convert_time_t_to_timespec(t));
4561 * close_file() returns the unix errno if an error
4562 * was detected on close - normally this is due to
4563 * a disk full error. If not then it was probably an I/O error.
4566 status = close_file(req, fsp, NORMAL_CLOSE);
4569 if (!NT_STATUS_IS_OK(status)) {
4570 reply_nterror(req, status);
4571 END_PROFILE(SMBclose);
4575 reply_outbuf(req, 0, 0);
4576 END_PROFILE(SMBclose);
4580 /****************************************************************************
4581 Reply to a writeclose (Core+ protocol).
4582 ****************************************************************************/
4584 void reply_writeclose(struct smb_request *req)
4586 connection_struct *conn = req->conn;
4588 ssize_t nwritten = -1;
4589 NTSTATUS close_status = NT_STATUS_OK;
4592 struct timespec mtime;
4594 struct lock_struct lock;
4596 START_PROFILE(SMBwriteclose);
4599 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4600 END_PROFILE(SMBwriteclose);
4604 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4606 if (!check_fsp(conn, req, fsp)) {
4607 END_PROFILE(SMBwriteclose);
4610 if (!CHECK_WRITE(fsp)) {
4611 reply_doserror(req, ERRDOS,ERRbadaccess);
4612 END_PROFILE(SMBwriteclose);
4616 numtowrite = SVAL(req->vwv+1, 0);
4617 startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
4618 mtime = convert_time_t_to_timespec(srv_make_unix_date3(req->vwv+4));
4619 data = (const char *)req->buf + 1;
4622 init_strict_lock_struct(fsp, (uint32)req->smbpid,
4623 (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
4626 if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
4627 reply_doserror(req, ERRDOS,ERRlock);
4628 END_PROFILE(SMBwriteclose);
4633 nwritten = write_file(req,fsp,data,startpos,numtowrite);
4635 set_close_write_time(fsp, mtime);
4638 * More insanity. W2K only closes the file if writelen > 0.
4643 DEBUG(3,("reply_writeclose: zero length write doesn't close file %s\n",
4645 close_status = close_file(req, fsp, NORMAL_CLOSE);
4648 DEBUG(3,("writeclose fnum=%d num=%d wrote=%d (numopen=%d)\n",
4649 fsp->fnum, (int)numtowrite, (int)nwritten,
4650 conn->num_files_open));
4652 if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
4653 reply_doserror(req, ERRHRD, ERRdiskfull);
4657 if(!NT_STATUS_IS_OK(close_status)) {
4658 reply_nterror(req, close_status);
4662 reply_outbuf(req, 1, 0);
4664 SSVAL(req->outbuf,smb_vwv0,nwritten);
4668 SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
4671 END_PROFILE(SMBwriteclose);
4676 #define DBGC_CLASS DBGC_LOCKING
4678 /****************************************************************************
4680 ****************************************************************************/
4682 void reply_lock(struct smb_request *req)
4684 connection_struct *conn = req->conn;
4685 uint64_t count,offset;
4688 struct byte_range_lock *br_lck = NULL;
4690 START_PROFILE(SMBlock);
4693 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4694 END_PROFILE(SMBlock);
4698 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4700 if (!check_fsp(conn, req, fsp)) {
4701 END_PROFILE(SMBlock);
4705 count = (uint64_t)IVAL(req->vwv+1, 0);
4706 offset = (uint64_t)IVAL(req->vwv+3, 0);
4708 DEBUG(3,("lock fd=%d fnum=%d offset=%.0f count=%.0f\n",
4709 fsp->fh->fd, fsp->fnum, (double)offset, (double)count));
4711 br_lck = do_lock(smbd_messaging_context(),
4718 False, /* Non-blocking lock. */
4723 TALLOC_FREE(br_lck);
4725 if (NT_STATUS_V(status)) {
4726 reply_nterror(req, status);
4727 END_PROFILE(SMBlock);
4731 reply_outbuf(req, 0, 0);
4733 END_PROFILE(SMBlock);
4737 /****************************************************************************
4739 ****************************************************************************/
4741 void reply_unlock(struct smb_request *req)
4743 connection_struct *conn = req->conn;
4744 uint64_t count,offset;
4748 START_PROFILE(SMBunlock);
4751 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4752 END_PROFILE(SMBunlock);
4756 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4758 if (!check_fsp(conn, req, fsp)) {
4759 END_PROFILE(SMBunlock);
4763 count = (uint64_t)IVAL(req->vwv+1, 0);
4764 offset = (uint64_t)IVAL(req->vwv+3, 0);
4766 status = do_unlock(smbd_messaging_context(),
4773 if (NT_STATUS_V(status)) {
4774 reply_nterror(req, status);
4775 END_PROFILE(SMBunlock);
4779 DEBUG( 3, ( "unlock fd=%d fnum=%d offset=%.0f count=%.0f\n",
4780 fsp->fh->fd, fsp->fnum, (double)offset, (double)count ) );
4782 reply_outbuf(req, 0, 0);
4784 END_PROFILE(SMBunlock);
4789 #define DBGC_CLASS DBGC_ALL
4791 /****************************************************************************
4793 conn POINTER CAN BE NULL HERE !
4794 ****************************************************************************/
4796 void reply_tdis(struct smb_request *req)
4798 connection_struct *conn = req->conn;
4799 START_PROFILE(SMBtdis);
4802 DEBUG(4,("Invalid connection in tdis\n"));
4803 reply_doserror(req, ERRSRV, ERRinvnid);
4804 END_PROFILE(SMBtdis);
4810 close_cnum(conn,req->vuid);
4813 reply_outbuf(req, 0, 0);
4814 END_PROFILE(SMBtdis);
4818 /****************************************************************************
4820 conn POINTER CAN BE NULL HERE !
4821 ****************************************************************************/
4823 void reply_echo(struct smb_request *req)
4825 connection_struct *conn = req->conn;
4826 struct smb_perfcount_data local_pcd;
4827 struct smb_perfcount_data *cur_pcd;
4831 START_PROFILE(SMBecho);
4833 smb_init_perfcount_data(&local_pcd);
4836 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4837 END_PROFILE(SMBecho);
4841 smb_reverb = SVAL(req->vwv+0, 0);
4843 reply_outbuf(req, 1, req->buflen);
4845 /* copy any incoming data back out */
4846 if (req->buflen > 0) {
4847 memcpy(smb_buf(req->outbuf), req->buf, req->buflen);
4850 if (smb_reverb > 100) {
4851 DEBUG(0,("large reverb (%d)?? Setting to 100\n",smb_reverb));
4855 for (seq_num = 1 ; seq_num <= smb_reverb ; seq_num++) {
4857 /* this makes sure we catch the request pcd */
4858 if (seq_num == smb_reverb) {
4859 cur_pcd = &req->pcd;
4861 SMB_PERFCOUNT_COPY_CONTEXT(&req->pcd, &local_pcd);
4862 cur_pcd = &local_pcd;
4865 SSVAL(req->outbuf,smb_vwv0,seq_num);
4867 show_msg((char *)req->outbuf);
4868 if (!srv_send_smb(smbd_server_fd(),
4869 (char *)req->outbuf,
4870 true, req->seqnum+1,
4871 IS_CONN_ENCRYPTED(conn)||req->encrypted,
4873 exit_server_cleanly("reply_echo: srv_send_smb failed.");
4876 DEBUG(3,("echo %d times\n", smb_reverb));
4878 TALLOC_FREE(req->outbuf);
4880 END_PROFILE(SMBecho);
4884 /****************************************************************************
4885 Reply to a printopen.
4886 ****************************************************************************/
4888 void reply_printopen(struct smb_request *req)
4890 connection_struct *conn = req->conn;
4892 SMB_STRUCT_STAT sbuf;
4895 START_PROFILE(SMBsplopen);
4898 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4899 END_PROFILE(SMBsplopen);
4903 if (!CAN_PRINT(conn)) {
4904 reply_doserror(req, ERRDOS, ERRnoaccess);
4905 END_PROFILE(SMBsplopen);
4909 status = file_new(req, conn, &fsp);
4910 if(!NT_STATUS_IS_OK(status)) {
4911 reply_nterror(req, status);
4912 END_PROFILE(SMBsplopen);
4916 /* Open for exclusive use, write only. */
4917 status = print_fsp_open(req, conn, NULL, req->vuid, fsp, &sbuf);
4919 if (!NT_STATUS_IS_OK(status)) {
4920 reply_nterror(req, status);
4921 END_PROFILE(SMBsplopen);
4925 reply_outbuf(req, 1, 0);
4926 SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
4928 DEBUG(3,("openprint fd=%d fnum=%d\n",
4929 fsp->fh->fd, fsp->fnum));
4931 END_PROFILE(SMBsplopen);
4935 /****************************************************************************
4936 Reply to a printclose.
4937 ****************************************************************************/
4939 void reply_printclose(struct smb_request *req)
4941 connection_struct *conn = req->conn;
4945 START_PROFILE(SMBsplclose);
4948 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4949 END_PROFILE(SMBsplclose);
4953 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4955 if (!check_fsp(conn, req, fsp)) {
4956 END_PROFILE(SMBsplclose);
4960 if (!CAN_PRINT(conn)) {
4961 reply_nterror(req, NT_STATUS_DOS(ERRSRV, ERRerror));
4962 END_PROFILE(SMBsplclose);
4966 DEBUG(3,("printclose fd=%d fnum=%d\n",
4967 fsp->fh->fd,fsp->fnum));
4969 status = close_file(req, fsp, NORMAL_CLOSE);
4971 if(!NT_STATUS_IS_OK(status)) {
4972 reply_nterror(req, status);
4973 END_PROFILE(SMBsplclose);
4977 reply_outbuf(req, 0, 0);
4979 END_PROFILE(SMBsplclose);
4983 /****************************************************************************
4984 Reply to a printqueue.
4985 ****************************************************************************/
4987 void reply_printqueue(struct smb_request *req)
4989 connection_struct *conn = req->conn;
4993 START_PROFILE(SMBsplretq);
4996 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4997 END_PROFILE(SMBsplretq);
5001 max_count = SVAL(req->vwv+0, 0);
5002 start_index = SVAL(req->vwv+1, 0);
5004 /* we used to allow the client to get the cnum wrong, but that
5005 is really quite gross and only worked when there was only
5006 one printer - I think we should now only accept it if they
5007 get it right (tridge) */
5008 if (!CAN_PRINT(conn)) {
5009 reply_doserror(req, ERRDOS, ERRnoaccess);
5010 END_PROFILE(SMBsplretq);
5014 reply_outbuf(req, 2, 3);
5015 SSVAL(req->outbuf,smb_vwv0,0);
5016 SSVAL(req->outbuf,smb_vwv1,0);
5017 SCVAL(smb_buf(req->outbuf),0,1);
5018 SSVAL(smb_buf(req->outbuf),1,0);
5020 DEBUG(3,("printqueue start_index=%d max_count=%d\n",
5021 start_index, max_count));
5024 print_queue_struct *queue = NULL;
5025 print_status_struct status;
5026 int count = print_queue_status(SNUM(conn), &queue, &status);
5027 int num_to_get = ABS(max_count);
5028 int first = (max_count>0?start_index:start_index+max_count+1);
5034 num_to_get = MIN(num_to_get,count-first);
5037 for (i=first;i<first+num_to_get;i++) {
5041 srv_put_dos_date2(p,0,queue[i].time);
5042 SCVAL(p,4,(queue[i].status==LPQ_PRINTING?2:3));
5043 SSVAL(p,5, queue[i].job);
5044 SIVAL(p,7,queue[i].size);
5046 srvstr_push(blob, req->flags2, p+12,
5047 queue[i].fs_user, 16, STR_ASCII);
5049 if (message_push_blob(
5052 blob, sizeof(blob))) == -1) {
5053 reply_nterror(req, NT_STATUS_NO_MEMORY);
5054 END_PROFILE(SMBsplretq);
5060 SSVAL(req->outbuf,smb_vwv0,count);
5061 SSVAL(req->outbuf,smb_vwv1,
5062 (max_count>0?first+count:first-1));
5063 SCVAL(smb_buf(req->outbuf),0,1);
5064 SSVAL(smb_buf(req->outbuf),1,28*count);
5069 DEBUG(3,("%d entries returned in queue\n",count));
5072 END_PROFILE(SMBsplretq);
5076 /****************************************************************************
5077 Reply to a printwrite.
5078 ****************************************************************************/
5080 void reply_printwrite(struct smb_request *req)
5082 connection_struct *conn = req->conn;
5087 START_PROFILE(SMBsplwr);
5090 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5091 END_PROFILE(SMBsplwr);
5095 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
5097 if (!check_fsp(conn, req, fsp)) {
5098 END_PROFILE(SMBsplwr);
5102 if (!CAN_PRINT(conn)) {
5103 reply_doserror(req, ERRDOS, ERRnoaccess);
5104 END_PROFILE(SMBsplwr);
5108 if (!CHECK_WRITE(fsp)) {
5109 reply_doserror(req, ERRDOS, ERRbadaccess);
5110 END_PROFILE(SMBsplwr);
5114 numtowrite = SVAL(req->buf, 1);
5116 if (req->buflen < numtowrite + 3) {
5117 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5118 END_PROFILE(SMBsplwr);
5122 data = (const char *)req->buf + 3;
5124 if (write_file(req,fsp,data,-1,numtowrite) != numtowrite) {
5125 reply_unixerror(req, ERRHRD, ERRdiskfull);
5126 END_PROFILE(SMBsplwr);
5130 DEBUG( 3, ( "printwrite fnum=%d num=%d\n", fsp->fnum, numtowrite ) );
5132 END_PROFILE(SMBsplwr);
5136 /****************************************************************************
5138 ****************************************************************************/
5140 void reply_mkdir(struct smb_request *req)
5142 connection_struct *conn = req->conn;
5143 char *directory = NULL;
5145 SMB_STRUCT_STAT sbuf;
5146 TALLOC_CTX *ctx = talloc_tos();
5148 START_PROFILE(SMBmkdir);
5150 srvstr_get_path_req(ctx, req, &directory, (const char *)req->buf + 1,
5151 STR_TERMINATE, &status);
5152 if (!NT_STATUS_IS_OK(status)) {
5153 reply_nterror(req, status);
5154 END_PROFILE(SMBmkdir);
5158 status = resolve_dfspath(ctx, conn,
5159 req->flags2 & FLAGS2_DFS_PATHNAMES,
5162 if (!NT_STATUS_IS_OK(status)) {
5163 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5164 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
5165 ERRSRV, ERRbadpath);
5166 END_PROFILE(SMBmkdir);
5169 reply_nterror(req, status);
5170 END_PROFILE(SMBmkdir);
5174 status = unix_convert(ctx, conn, directory, False, &directory, NULL, &sbuf);
5175 if (!NT_STATUS_IS_OK(status)) {
5176 reply_nterror(req, status);
5177 END_PROFILE(SMBmkdir);
5181 status = check_name(conn, directory);
5182 if (!NT_STATUS_IS_OK(status)) {
5183 reply_nterror(req, status);
5184 END_PROFILE(SMBmkdir);
5188 status = create_directory(conn, req, directory);
5190 DEBUG(5, ("create_directory returned %s\n", nt_errstr(status)));
5192 if (!NT_STATUS_IS_OK(status)) {
5194 if (!use_nt_status()
5195 && NT_STATUS_EQUAL(status,
5196 NT_STATUS_OBJECT_NAME_COLLISION)) {
5198 * Yes, in the DOS error code case we get a
5199 * ERRDOS:ERRnoaccess here. See BASE-SAMBA3ERROR
5200 * samba4 torture test.
5202 status = NT_STATUS_DOS(ERRDOS, ERRnoaccess);
5205 reply_nterror(req, status);
5206 END_PROFILE(SMBmkdir);
5210 reply_outbuf(req, 0, 0);
5212 DEBUG( 3, ( "mkdir %s\n", directory ) );
5214 END_PROFILE(SMBmkdir);
5218 /****************************************************************************
5219 Static function used by reply_rmdir to delete an entire directory
5220 tree recursively. Return True on ok, False on fail.
5221 ****************************************************************************/
5223 static bool recursive_rmdir(TALLOC_CTX *ctx,
5224 connection_struct *conn,
5227 const char *dname = NULL;
5231 struct smb_Dir *dir_hnd = OpenDir(talloc_tos(), conn, directory,
5237 while((dname = ReadDirName(dir_hnd, &offset, &st))) {
5238 char *fullname = NULL;
5240 if (ISDOT(dname) || ISDOTDOT(dname)) {
5244 if (!is_visible_file(conn, directory, dname, &st, False)) {
5248 /* Construct the full name. */
5249 fullname = talloc_asprintf(ctx,
5259 if(SMB_VFS_LSTAT(conn,fullname, &st) != 0) {
5264 if(st.st_mode & S_IFDIR) {
5265 if(!recursive_rmdir(ctx, conn, fullname)) {
5269 if(SMB_VFS_RMDIR(conn,fullname) != 0) {
5273 } else if(SMB_VFS_UNLINK(conn,fullname) != 0) {
5277 TALLOC_FREE(fullname);
5279 TALLOC_FREE(dir_hnd);
5283 /****************************************************************************
5284 The internals of the rmdir code - called elsewhere.
5285 ****************************************************************************/
5287 NTSTATUS rmdir_internals(TALLOC_CTX *ctx,
5288 connection_struct *conn,
5289 const char *directory)
5294 /* Might be a symlink. */
5295 if(SMB_VFS_LSTAT(conn, directory, &st) != 0) {
5296 return map_nt_error_from_unix(errno);
5299 if (S_ISLNK(st.st_mode)) {
5300 /* Is what it points to a directory ? */
5301 if(SMB_VFS_STAT(conn, directory, &st) != 0) {
5302 return map_nt_error_from_unix(errno);
5304 if (!(S_ISDIR(st.st_mode))) {
5305 return NT_STATUS_NOT_A_DIRECTORY;
5307 ret = SMB_VFS_UNLINK(conn,directory);
5309 ret = SMB_VFS_RMDIR(conn,directory);
5312 notify_fname(conn, NOTIFY_ACTION_REMOVED,
5313 FILE_NOTIFY_CHANGE_DIR_NAME,
5315 return NT_STATUS_OK;
5318 if(((errno == ENOTEMPTY)||(errno == EEXIST)) && lp_veto_files(SNUM(conn))) {
5320 * Check to see if the only thing in this directory are
5321 * vetoed files/directories. If so then delete them and
5322 * retry. If we fail to delete any of them (and we *don't*
5323 * do a recursive delete) then fail the rmdir.
5327 struct smb_Dir *dir_hnd = OpenDir(talloc_tos(), conn,
5328 directory, NULL, 0);
5330 if(dir_hnd == NULL) {
5335 while ((dname = ReadDirName(dir_hnd, &dirpos, &st))) {
5336 if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
5338 if (!is_visible_file(conn, directory, dname, &st, False))
5340 if(!IS_VETO_PATH(conn, dname)) {
5341 TALLOC_FREE(dir_hnd);
5347 /* We only have veto files/directories.
5348 * Are we allowed to delete them ? */
5350 if(!lp_recursive_veto_delete(SNUM(conn))) {
5351 TALLOC_FREE(dir_hnd);
5356 /* Do a recursive delete. */
5357 RewindDir(dir_hnd,&dirpos);
5358 while ((dname = ReadDirName(dir_hnd, &dirpos, &st))) {
5359 char *fullname = NULL;
5361 if (ISDOT(dname) || ISDOTDOT(dname)) {
5364 if (!is_visible_file(conn, directory, dname, &st, False)) {
5368 fullname = talloc_asprintf(ctx,
5378 if(SMB_VFS_LSTAT(conn,fullname, &st) != 0) {
5381 if(st.st_mode & S_IFDIR) {
5382 if(!recursive_rmdir(ctx, conn, fullname)) {
5385 if(SMB_VFS_RMDIR(conn,fullname) != 0) {
5388 } else if(SMB_VFS_UNLINK(conn,fullname) != 0) {
5391 TALLOC_FREE(fullname);
5393 TALLOC_FREE(dir_hnd);
5394 /* Retry the rmdir */
5395 ret = SMB_VFS_RMDIR(conn,directory);
5401 DEBUG(3,("rmdir_internals: couldn't remove directory %s : "
5402 "%s\n", directory,strerror(errno)));
5403 return map_nt_error_from_unix(errno);
5406 notify_fname(conn, NOTIFY_ACTION_REMOVED,
5407 FILE_NOTIFY_CHANGE_DIR_NAME,
5410 return NT_STATUS_OK;
5413 /****************************************************************************
5415 ****************************************************************************/
5417 void reply_rmdir(struct smb_request *req)
5419 connection_struct *conn = req->conn;
5420 char *directory = NULL;
5421 SMB_STRUCT_STAT sbuf;
5423 TALLOC_CTX *ctx = talloc_tos();
5425 START_PROFILE(SMBrmdir);
5427 srvstr_get_path_req(ctx, req, &directory, (const char *)req->buf + 1,
5428 STR_TERMINATE, &status);
5429 if (!NT_STATUS_IS_OK(status)) {
5430 reply_nterror(req, status);
5431 END_PROFILE(SMBrmdir);
5435 status = resolve_dfspath(ctx, conn,
5436 req->flags2 & FLAGS2_DFS_PATHNAMES,
5439 if (!NT_STATUS_IS_OK(status)) {
5440 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5441 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
5442 ERRSRV, ERRbadpath);
5443 END_PROFILE(SMBrmdir);
5446 reply_nterror(req, status);
5447 END_PROFILE(SMBrmdir);
5451 status = unix_convert(ctx, conn, directory, False, &directory,
5453 if (!NT_STATUS_IS_OK(status)) {
5454 reply_nterror(req, status);
5455 END_PROFILE(SMBrmdir);
5459 status = check_name(conn, directory);
5460 if (!NT_STATUS_IS_OK(status)) {
5461 reply_nterror(req, status);
5462 END_PROFILE(SMBrmdir);
5466 dptr_closepath(directory, req->smbpid);
5467 status = rmdir_internals(ctx, conn, directory);
5468 if (!NT_STATUS_IS_OK(status)) {
5469 reply_nterror(req, status);
5470 END_PROFILE(SMBrmdir);
5474 reply_outbuf(req, 0, 0);
5476 DEBUG( 3, ( "rmdir %s\n", directory ) );
5478 END_PROFILE(SMBrmdir);
5482 /*******************************************************************
5483 Resolve wildcards in a filename rename.
5484 ********************************************************************/
5486 static bool resolve_wildcards(TALLOC_CTX *ctx,
5491 char *name2_copy = NULL;
5496 char *p,*p2, *pname1, *pname2;
5498 name2_copy = talloc_strdup(ctx, name2);
5503 pname1 = strrchr_m(name1,'/');
5504 pname2 = strrchr_m(name2_copy,'/');
5506 if (!pname1 || !pname2) {
5510 /* Truncate the copy of name2 at the last '/' */
5513 /* Now go past the '/' */
5517 root1 = talloc_strdup(ctx, pname1);
5518 root2 = talloc_strdup(ctx, pname2);
5520 if (!root1 || !root2) {
5524 p = strrchr_m(root1,'.');
5527 ext1 = talloc_strdup(ctx, p+1);
5529 ext1 = talloc_strdup(ctx, "");
5531 p = strrchr_m(root2,'.');
5534 ext2 = talloc_strdup(ctx, p+1);
5536 ext2 = talloc_strdup(ctx, "");
5539 if (!ext1 || !ext2) {
5547 /* Hmmm. Should this be mb-aware ? */
5550 } else if (*p2 == '*') {
5552 root2 = talloc_asprintf(ctx, "%s%s",
5571 /* Hmmm. Should this be mb-aware ? */
5574 } else if (*p2 == '*') {
5576 ext2 = talloc_asprintf(ctx, "%s%s",
5592 *pp_newname = talloc_asprintf(ctx, "%s/%s.%s",
5597 *pp_newname = talloc_asprintf(ctx, "%s/%s",
5609 /****************************************************************************
5610 Ensure open files have their names updated. Updated to notify other smbd's
5612 ****************************************************************************/
5614 static void rename_open_files(connection_struct *conn,
5615 struct share_mode_lock *lck,
5616 const char *newname)
5619 bool did_rename = False;
5621 for(fsp = file_find_di_first(lck->id); fsp;
5622 fsp = file_find_di_next(fsp)) {
5623 /* fsp_name is a relative path under the fsp. To change this for other
5624 sharepaths we need to manipulate relative paths. */
5625 /* TODO - create the absolute path and manipulate the newname
5626 relative to the sharepath. */
5627 if (!strequal(fsp->conn->connectpath, conn->connectpath)) {
5630 DEBUG(10,("rename_open_files: renaming file fnum %d (file_id %s) from %s -> %s\n",
5631 fsp->fnum, file_id_string_tos(&fsp->file_id),
5632 fsp->fsp_name, newname ));
5633 string_set(&fsp->fsp_name, newname);
5638 DEBUG(10,("rename_open_files: no open files on file_id %s for %s\n",
5639 file_id_string_tos(&lck->id), newname ));
5642 /* Send messages to all smbd's (not ourself) that the name has changed. */
5643 rename_share_filename(smbd_messaging_context(), lck, conn->connectpath,
5647 /****************************************************************************
5648 We need to check if the source path is a parent directory of the destination
5649 (ie. a rename of /foo/bar/baz -> /foo/bar/baz/bibble/bobble. If so we must
5650 refuse the rename with a sharing violation. Under UNIX the above call can
5651 *succeed* if /foo/bar/baz is a symlink to another area in the share. We
5652 probably need to check that the client is a Windows one before disallowing
5653 this as a UNIX client (one with UNIX extensions) can know the source is a
5654 symlink and make this decision intelligently. Found by an excellent bug
5655 report from <AndyLiebman@aol.com>.
5656 ****************************************************************************/
5658 static bool rename_path_prefix_equal(const char *src, const char *dest)
5660 const char *psrc = src;
5661 const char *pdst = dest;
5664 if (psrc[0] == '.' && psrc[1] == '/') {
5667 if (pdst[0] == '.' && pdst[1] == '/') {
5670 if ((slen = strlen(psrc)) > strlen(pdst)) {
5673 return ((memcmp(psrc, pdst, slen) == 0) && pdst[slen] == '/');
5677 * Do the notify calls from a rename
5680 static void notify_rename(connection_struct *conn, bool is_dir,
5681 const char *oldpath, const char *newpath)
5683 char *olddir, *newdir;
5684 const char *oldname, *newname;
5687 mask = is_dir ? FILE_NOTIFY_CHANGE_DIR_NAME
5688 : FILE_NOTIFY_CHANGE_FILE_NAME;
5690 if (!parent_dirname(talloc_tos(), oldpath, &olddir, &oldname)
5691 || !parent_dirname(talloc_tos(), newpath, &newdir, &newname)) {
5692 TALLOC_FREE(olddir);
5696 if (strcmp(olddir, newdir) == 0) {
5697 notify_fname(conn, NOTIFY_ACTION_OLD_NAME, mask, oldpath);
5698 notify_fname(conn, NOTIFY_ACTION_NEW_NAME, mask, newpath);
5701 notify_fname(conn, NOTIFY_ACTION_REMOVED, mask, oldpath);
5702 notify_fname(conn, NOTIFY_ACTION_ADDED, mask, newpath);
5704 TALLOC_FREE(olddir);
5705 TALLOC_FREE(newdir);
5707 /* this is a strange one. w2k3 gives an additional event for
5708 CHANGE_ATTRIBUTES and CHANGE_CREATION on the new file when renaming
5709 files, but not directories */
5711 notify_fname(conn, NOTIFY_ACTION_MODIFIED,
5712 FILE_NOTIFY_CHANGE_ATTRIBUTES
5713 |FILE_NOTIFY_CHANGE_CREATION,
5718 /****************************************************************************
5719 Rename an open file - given an fsp.
5720 ****************************************************************************/
5722 NTSTATUS rename_internals_fsp(connection_struct *conn,
5725 const char *newname_last_component,
5727 bool replace_if_exists)
5729 TALLOC_CTX *ctx = talloc_tos();
5730 SMB_STRUCT_STAT sbuf, sbuf1;
5731 NTSTATUS status = NT_STATUS_OK;
5732 struct share_mode_lock *lck = NULL;
5733 bool dst_exists, old_is_stream, new_is_stream;
5737 status = check_name(conn, newname);
5738 if (!NT_STATUS_IS_OK(status)) {
5742 /* Ensure newname contains a '/' */
5743 if(strrchr_m(newname,'/') == 0) {
5744 newname = talloc_asprintf(ctx,
5748 return NT_STATUS_NO_MEMORY;
5753 * Check for special case with case preserving and not
5754 * case sensitive. If the old last component differs from the original
5755 * last component only by case, then we should allow
5756 * the rename (user is trying to change the case of the
5760 if((conn->case_sensitive == False) && (conn->case_preserve == True) &&
5761 strequal(newname, fsp->fsp_name)) {
5763 char *newname_modified_last_component = NULL;
5766 * Get the last component of the modified name.
5767 * Note that we guarantee that newname contains a '/'
5770 p = strrchr_m(newname,'/');
5771 newname_modified_last_component = talloc_strdup(ctx,
5773 if (!newname_modified_last_component) {
5774 return NT_STATUS_NO_MEMORY;
5777 if(strcsequal(newname_modified_last_component,
5778 newname_last_component) == False) {
5780 * Replace the modified last component with
5783 *p = '\0'; /* Truncate at the '/' */
5784 newname = talloc_asprintf(ctx,
5787 newname_last_component);
5792 * If the src and dest names are identical - including case,
5793 * don't do the rename, just return success.
5796 if (strcsequal(fsp->fsp_name, newname)) {
5797 DEBUG(3,("rename_internals_fsp: identical names in rename %s - returning success\n",
5799 return NT_STATUS_OK;
5802 old_is_stream = is_ntfs_stream_name(fsp->fsp_name);
5803 new_is_stream = is_ntfs_stream_name(newname);
5805 /* Return the correct error code if both names aren't streams. */
5806 if (!old_is_stream && new_is_stream) {
5807 return NT_STATUS_OBJECT_NAME_INVALID;
5810 if (old_is_stream && !new_is_stream) {
5811 return NT_STATUS_INVALID_PARAMETER;
5815 * Have vfs_object_exist also fill sbuf1
5817 dst_exists = vfs_object_exist(conn, newname, &sbuf1);
5819 if(!replace_if_exists && dst_exists) {
5820 DEBUG(3,("rename_internals_fsp: dest exists doing rename %s -> %s\n",
5821 fsp->fsp_name,newname));
5822 return NT_STATUS_OBJECT_NAME_COLLISION;
5826 struct file_id fileid = vfs_file_id_from_sbuf(conn, &sbuf1);
5827 files_struct *dst_fsp = file_find_di_first(fileid);
5828 /* The file can be open when renaming a stream */
5829 if (dst_fsp && !new_is_stream) {
5830 DEBUG(3, ("rename_internals_fsp: Target file open\n"));
5831 return NT_STATUS_ACCESS_DENIED;
5835 /* Ensure we have a valid stat struct for the source. */
5836 if (fsp->fh->fd != -1) {
5837 if (SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
5838 return map_nt_error_from_unix(errno);
5842 if (fsp->posix_open) {
5843 ret = SMB_VFS_LSTAT(conn,fsp->fsp_name,&sbuf);
5845 ret = SMB_VFS_STAT(conn,fsp->fsp_name,&sbuf);
5848 return map_nt_error_from_unix(errno);
5852 status = can_rename(conn, fsp, attrs, &sbuf);
5854 if (!NT_STATUS_IS_OK(status)) {
5855 DEBUG(3,("rename_internals_fsp: Error %s rename %s -> %s\n",
5856 nt_errstr(status), fsp->fsp_name,newname));
5857 if (NT_STATUS_EQUAL(status,NT_STATUS_SHARING_VIOLATION))
5858 status = NT_STATUS_ACCESS_DENIED;
5862 if (rename_path_prefix_equal(fsp->fsp_name, newname)) {
5863 return NT_STATUS_ACCESS_DENIED;
5866 lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
5870 * We have the file open ourselves, so not being able to get the
5871 * corresponding share mode lock is a fatal error.
5874 SMB_ASSERT(lck != NULL);
5876 if(SMB_VFS_RENAME(conn,fsp->fsp_name, newname) == 0) {
5877 uint32 create_options = fsp->fh->private_options;
5879 DEBUG(3,("rename_internals_fsp: succeeded doing rename on %s -> %s\n",
5880 fsp->fsp_name,newname));
5882 notify_rename(conn, fsp->is_directory, fsp->fsp_name, newname);
5884 rename_open_files(conn, lck, newname);
5887 * A rename acts as a new file create w.r.t. allowing an initial delete
5888 * on close, probably because in Windows there is a new handle to the
5889 * new file. If initial delete on close was requested but not
5890 * originally set, we need to set it here. This is probably not 100% correct,
5891 * but will work for the CIFSFS client which in non-posix mode
5892 * depends on these semantics. JRA.
5895 if (create_options & FILE_DELETE_ON_CLOSE) {
5896 status = can_set_delete_on_close(fsp, True, 0);
5898 if (NT_STATUS_IS_OK(status)) {
5899 /* Note that here we set the *inital* delete on close flag,
5900 * not the regular one. The magic gets handled in close. */
5901 fsp->initial_delete_on_close = True;
5905 return NT_STATUS_OK;
5910 if (errno == ENOTDIR || errno == EISDIR) {
5911 status = NT_STATUS_OBJECT_NAME_COLLISION;
5913 status = map_nt_error_from_unix(errno);
5916 DEBUG(3,("rename_internals_fsp: Error %s rename %s -> %s\n",
5917 nt_errstr(status), fsp->fsp_name,newname));
5922 /****************************************************************************
5923 The guts of the rename command, split out so it may be called by the NT SMB
5925 ****************************************************************************/
5927 NTSTATUS rename_internals(TALLOC_CTX *ctx,
5928 connection_struct *conn,
5929 struct smb_request *req,
5930 const char *name_in,
5931 const char *newname_in,
5933 bool replace_if_exists,
5936 uint32_t access_mask)
5938 char *directory = NULL;
5940 char *last_component_src = NULL;
5941 char *last_component_dest = NULL;
5943 char *newname = NULL;
5946 NTSTATUS status = NT_STATUS_OK;
5947 SMB_STRUCT_STAT sbuf1, sbuf2;
5948 struct smb_Dir *dir_hnd = NULL;
5951 int create_options = 0;
5952 bool posix_pathnames = lp_posix_pathnames();
5957 status = unix_convert(ctx, conn, name_in, src_has_wild, &name,
5958 &last_component_src, &sbuf1);
5959 if (!NT_STATUS_IS_OK(status)) {
5963 status = unix_convert(ctx, conn, newname_in, dest_has_wild, &newname,
5964 &last_component_dest, &sbuf2);
5965 if (!NT_STATUS_IS_OK(status)) {
5970 * Split the old name into directory and last component
5971 * strings. Note that unix_convert may have stripped off a
5972 * leading ./ from both name and newname if the rename is
5973 * at the root of the share. We need to make sure either both
5974 * name and newname contain a / character or neither of them do
5975 * as this is checked in resolve_wildcards().
5978 p = strrchr_m(name,'/');
5980 directory = talloc_strdup(ctx, ".");
5982 return NT_STATUS_NO_MEMORY;
5987 directory = talloc_strdup(ctx, name);
5989 return NT_STATUS_NO_MEMORY;
5992 *p = '/'; /* Replace needed for exceptional test below. */
5996 * We should only check the mangled cache
5997 * here if unix_convert failed. This means
5998 * that the path in 'mask' doesn't exist
5999 * on the file system and so we need to look
6000 * for a possible mangle. This patch from
6001 * Tine Smukavec <valentin.smukavec@hermes.si>.
6004 if (!VALID_STAT(sbuf1) && mangle_is_mangled(mask, conn->params)) {
6005 char *new_mask = NULL;
6006 mangle_lookup_name_from_8_3(ctx,
6015 if (!src_has_wild) {
6019 * No wildcards - just process the one file.
6021 /* Add a terminating '/' to the directory name. */
6022 directory = talloc_asprintf_append(directory,
6026 return NT_STATUS_NO_MEMORY;
6029 /* Ensure newname contains a '/' also */
6030 if(strrchr_m(newname,'/') == 0) {
6031 newname = talloc_asprintf(ctx,
6035 return NT_STATUS_NO_MEMORY;
6039 DEBUG(3, ("rename_internals: case_sensitive = %d, "
6040 "case_preserve = %d, short case preserve = %d, "
6041 "directory = %s, newname = %s, "
6042 "last_component_dest = %s\n",
6043 conn->case_sensitive, conn->case_preserve,
6044 conn->short_case_preserve, directory,
6045 newname, last_component_dest));
6047 /* The dest name still may have wildcards. */
6048 if (dest_has_wild) {
6049 char *mod_newname = NULL;
6050 if (!resolve_wildcards(ctx,
6051 directory,newname,&mod_newname)) {
6052 DEBUG(6, ("rename_internals: resolve_wildcards "
6056 return NT_STATUS_NO_MEMORY;
6058 newname = mod_newname;
6062 if (posix_pathnames) {
6063 SMB_VFS_LSTAT(conn, directory, &sbuf1);
6065 SMB_VFS_STAT(conn, directory, &sbuf1);
6068 if (S_ISDIR(sbuf1.st_mode)) {
6069 create_options |= FILE_DIRECTORY_FILE;
6072 status = SMB_VFS_CREATE_FILE(
6075 0, /* root_dir_fid */
6076 directory, /* fname */
6077 0, /* create_file_flags */
6078 access_mask, /* access_mask */
6079 (FILE_SHARE_READ | /* share_access */
6081 FILE_OPEN, /* create_disposition*/
6082 create_options, /* create_options */
6083 posix_pathnames ? FILE_FLAG_POSIX_SEMANTICS|0777 : 0, /* file_attributes */
6084 0, /* oplock_request */
6085 0, /* allocation_size */
6090 &sbuf1); /* psbuf */
6092 if (!NT_STATUS_IS_OK(status)) {
6093 DEBUG(3, ("Could not open rename source %s: %s\n",
6094 directory, nt_errstr(status)));
6098 status = rename_internals_fsp(conn, fsp, newname,
6099 last_component_dest,
6100 attrs, replace_if_exists);
6102 close_file(req, fsp, NORMAL_CLOSE);
6104 DEBUG(3, ("rename_internals: Error %s rename %s -> %s\n",
6105 nt_errstr(status), directory,newname));
6111 * Wildcards - process each file that matches.
6113 if (strequal(mask,"????????.???")) {
6118 status = check_name(conn, directory);
6119 if (!NT_STATUS_IS_OK(status)) {
6123 dir_hnd = OpenDir(talloc_tos(), conn, directory, mask, attrs);
6124 if (dir_hnd == NULL) {
6125 return map_nt_error_from_unix(errno);
6128 status = NT_STATUS_NO_SUCH_FILE;
6130 * Was status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
6131 * - gentest fix. JRA
6134 while ((dname = ReadDirName(dir_hnd, &offset, &sbuf1))) {
6135 files_struct *fsp = NULL;
6137 char *destname = NULL;
6138 bool sysdir_entry = False;
6140 /* Quick check for "." and ".." */
6141 if (ISDOT(dname) || ISDOTDOT(dname)) {
6143 sysdir_entry = True;
6149 if (!is_visible_file(conn, directory, dname, &sbuf1, False)) {
6153 if(!mask_match(dname, mask, conn->case_sensitive)) {
6158 status = NT_STATUS_OBJECT_NAME_INVALID;
6162 fname = talloc_asprintf(ctx,
6167 return NT_STATUS_NO_MEMORY;
6170 if (!resolve_wildcards(ctx,
6171 fname,newname,&destname)) {
6172 DEBUG(6, ("resolve_wildcards %s %s failed\n",
6178 return NT_STATUS_NO_MEMORY;
6182 if (posix_pathnames) {
6183 SMB_VFS_LSTAT(conn, fname, &sbuf1);
6185 SMB_VFS_STAT(conn, fname, &sbuf1);
6190 if (S_ISDIR(sbuf1.st_mode)) {
6191 create_options |= FILE_DIRECTORY_FILE;
6194 status = SMB_VFS_CREATE_FILE(
6197 0, /* root_dir_fid */
6199 0, /* create_file_flags */
6200 access_mask, /* access_mask */
6201 (FILE_SHARE_READ | /* share_access */
6203 FILE_OPEN, /* create_disposition*/
6204 create_options, /* create_options */
6205 posix_pathnames ? FILE_FLAG_POSIX_SEMANTICS|0777 : 0, /* file_attributes */
6206 0, /* oplock_request */
6207 0, /* allocation_size */
6212 &sbuf1); /* psbuf */
6214 if (!NT_STATUS_IS_OK(status)) {
6215 DEBUG(3,("rename_internals: SMB_VFS_CREATE_FILE "
6216 "returned %s rename %s -> %s\n",
6217 nt_errstr(status), directory, newname));
6221 status = rename_internals_fsp(conn, fsp, destname, dname,
6222 attrs, replace_if_exists);
6224 close_file(req, fsp, NORMAL_CLOSE);
6226 if (!NT_STATUS_IS_OK(status)) {
6227 DEBUG(3, ("rename_internals_fsp returned %s for "
6228 "rename %s -> %s\n", nt_errstr(status),
6229 directory, newname));
6235 DEBUG(3,("rename_internals: doing rename on %s -> "
6236 "%s\n",fname,destname));
6239 TALLOC_FREE(destname);
6241 TALLOC_FREE(dir_hnd);
6243 if (count == 0 && NT_STATUS_IS_OK(status) && errno != 0) {
6244 status = map_nt_error_from_unix(errno);
6250 /****************************************************************************
6252 ****************************************************************************/
6254 void reply_mv(struct smb_request *req)
6256 connection_struct *conn = req->conn;
6258 char *newname = NULL;
6262 bool src_has_wcard = False;
6263 bool dest_has_wcard = False;
6264 TALLOC_CTX *ctx = talloc_tos();
6266 START_PROFILE(SMBmv);
6269 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6274 attrs = SVAL(req->vwv+0, 0);
6276 p = (const char *)req->buf + 1;
6277 p += srvstr_get_path_req_wcard(ctx, req, &name, p, STR_TERMINATE,
6278 &status, &src_has_wcard);
6279 if (!NT_STATUS_IS_OK(status)) {
6280 reply_nterror(req, status);
6285 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
6286 &status, &dest_has_wcard);
6287 if (!NT_STATUS_IS_OK(status)) {
6288 reply_nterror(req, status);
6293 status = resolve_dfspath_wcard(ctx, conn,
6294 req->flags2 & FLAGS2_DFS_PATHNAMES,
6298 if (!NT_STATUS_IS_OK(status)) {
6299 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6300 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6301 ERRSRV, ERRbadpath);
6305 reply_nterror(req, status);
6310 status = resolve_dfspath_wcard(ctx, conn,
6311 req->flags2 & FLAGS2_DFS_PATHNAMES,
6315 if (!NT_STATUS_IS_OK(status)) {
6316 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6317 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6318 ERRSRV, ERRbadpath);
6322 reply_nterror(req, status);
6327 DEBUG(3,("reply_mv : %s -> %s\n",name,newname));
6329 status = rename_internals(ctx, conn, req, name, newname, attrs, False,
6330 src_has_wcard, dest_has_wcard, DELETE_ACCESS);
6331 if (!NT_STATUS_IS_OK(status)) {
6332 if (open_was_deferred(req->mid)) {
6333 /* We have re-scheduled this call. */
6337 reply_nterror(req, status);
6342 reply_outbuf(req, 0, 0);
6348 /*******************************************************************
6349 Copy a file as part of a reply_copy.
6350 ******************************************************************/
6353 * TODO: check error codes on all callers
6356 NTSTATUS copy_file(TALLOC_CTX *ctx,
6357 connection_struct *conn,
6362 bool target_is_directory)
6364 SMB_STRUCT_STAT src_sbuf, sbuf2;
6366 files_struct *fsp1,*fsp2;
6369 uint32 new_create_disposition;
6372 dest = talloc_strdup(ctx, dest1);
6374 return NT_STATUS_NO_MEMORY;
6376 if (target_is_directory) {
6377 const char *p = strrchr_m(src,'/');
6383 dest = talloc_asprintf_append(dest,
6387 return NT_STATUS_NO_MEMORY;
6391 if (!vfs_file_exist(conn,src,&src_sbuf)) {
6393 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6396 if (!target_is_directory && count) {
6397 new_create_disposition = FILE_OPEN;
6399 if (!map_open_params_to_ntcreate(dest1,0,ofun,
6400 NULL, NULL, &new_create_disposition, NULL)) {
6402 return NT_STATUS_INVALID_PARAMETER;
6406 status = SMB_VFS_CREATE_FILE(
6409 0, /* root_dir_fid */
6411 0, /* create_file_flags */
6412 FILE_GENERIC_READ, /* access_mask */
6413 FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
6414 FILE_OPEN, /* create_disposition*/
6415 0, /* create_options */
6416 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
6417 INTERNAL_OPEN_ONLY, /* oplock_request */
6418 0, /* allocation_size */
6423 &src_sbuf); /* psbuf */
6425 if (!NT_STATUS_IS_OK(status)) {
6430 dosattrs = dos_mode(conn, src, &src_sbuf);
6431 if (SMB_VFS_STAT(conn,dest,&sbuf2) == -1) {
6432 ZERO_STRUCTP(&sbuf2);
6435 status = SMB_VFS_CREATE_FILE(
6438 0, /* root_dir_fid */
6440 0, /* create_file_flags */
6441 FILE_GENERIC_WRITE, /* access_mask */
6442 FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
6443 new_create_disposition, /* create_disposition*/
6444 0, /* create_options */
6445 dosattrs, /* file_attributes */
6446 INTERNAL_OPEN_ONLY, /* oplock_request */
6447 0, /* allocation_size */
6452 &sbuf2); /* psbuf */
6456 if (!NT_STATUS_IS_OK(status)) {
6457 close_file(NULL, fsp1, ERROR_CLOSE);
6461 if ((ofun&3) == 1) {
6462 if(SMB_VFS_LSEEK(fsp2,0,SEEK_END) == -1) {
6463 DEBUG(0,("copy_file: error - vfs lseek returned error %s\n", strerror(errno) ));
6465 * Stop the copy from occurring.
6468 src_sbuf.st_size = 0;
6472 if (src_sbuf.st_size) {
6473 ret = vfs_transfer_file(fsp1, fsp2, src_sbuf.st_size);
6476 close_file(NULL, fsp1, NORMAL_CLOSE);
6478 /* Ensure the modtime is set correctly on the destination file. */
6479 set_close_write_time(fsp2, get_mtimespec(&src_sbuf));
6482 * As we are opening fsp1 read-only we only expect
6483 * an error on close on fsp2 if we are out of space.
6484 * Thus we don't look at the error return from the
6487 status = close_file(NULL, fsp2, NORMAL_CLOSE);
6489 if (!NT_STATUS_IS_OK(status)) {
6493 if (ret != (SMB_OFF_T)src_sbuf.st_size) {
6494 return NT_STATUS_DISK_FULL;
6497 return NT_STATUS_OK;
6500 /****************************************************************************
6501 Reply to a file copy.
6502 ****************************************************************************/
6504 void reply_copy(struct smb_request *req)
6506 connection_struct *conn = req->conn;
6508 char *newname = NULL;
6509 char *directory = NULL;
6510 const char *mask = NULL;
6511 const char mask_star[] = "*";
6514 int error = ERRnoaccess;
6519 bool target_is_directory=False;
6520 bool source_has_wild = False;
6521 bool dest_has_wild = False;
6522 SMB_STRUCT_STAT sbuf1, sbuf2;
6524 TALLOC_CTX *ctx = talloc_tos();
6526 START_PROFILE(SMBcopy);
6529 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6530 END_PROFILE(SMBcopy);
6534 tid2 = SVAL(req->vwv+0, 0);
6535 ofun = SVAL(req->vwv+1, 0);
6536 flags = SVAL(req->vwv+2, 0);
6538 p = (const char *)req->buf;
6539 p += srvstr_get_path_req_wcard(ctx, req, &name, p, STR_TERMINATE,
6540 &status, &source_has_wild);
6541 if (!NT_STATUS_IS_OK(status)) {
6542 reply_nterror(req, status);
6543 END_PROFILE(SMBcopy);
6546 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
6547 &status, &dest_has_wild);
6548 if (!NT_STATUS_IS_OK(status)) {
6549 reply_nterror(req, status);
6550 END_PROFILE(SMBcopy);
6554 DEBUG(3,("reply_copy : %s -> %s\n",name,newname));
6556 if (tid2 != conn->cnum) {
6557 /* can't currently handle inter share copies XXXX */
6558 DEBUG(3,("Rejecting inter-share copy\n"));
6559 reply_doserror(req, ERRSRV, ERRinvdevice);
6560 END_PROFILE(SMBcopy);
6564 status = resolve_dfspath_wcard(ctx, conn,
6565 req->flags2 & FLAGS2_DFS_PATHNAMES,
6569 if (!NT_STATUS_IS_OK(status)) {
6570 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6571 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6572 ERRSRV, ERRbadpath);
6573 END_PROFILE(SMBcopy);
6576 reply_nterror(req, status);
6577 END_PROFILE(SMBcopy);
6581 status = resolve_dfspath_wcard(ctx, conn,
6582 req->flags2 & FLAGS2_DFS_PATHNAMES,
6586 if (!NT_STATUS_IS_OK(status)) {
6587 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6588 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6589 ERRSRV, ERRbadpath);
6590 END_PROFILE(SMBcopy);
6593 reply_nterror(req, status);
6594 END_PROFILE(SMBcopy);
6598 status = unix_convert(ctx, conn, name, source_has_wild,
6599 &name, NULL, &sbuf1);
6600 if (!NT_STATUS_IS_OK(status)) {
6601 reply_nterror(req, status);
6602 END_PROFILE(SMBcopy);
6606 status = unix_convert(ctx, conn, newname, dest_has_wild,
6607 &newname, NULL, &sbuf2);
6608 if (!NT_STATUS_IS_OK(status)) {
6609 reply_nterror(req, status);
6610 END_PROFILE(SMBcopy);
6614 target_is_directory = VALID_STAT_OF_DIR(sbuf2);
6616 if ((flags&1) && target_is_directory) {
6617 reply_doserror(req, ERRDOS, ERRbadfile);
6618 END_PROFILE(SMBcopy);
6622 if ((flags&2) && !target_is_directory) {
6623 reply_doserror(req, ERRDOS, ERRbadpath);
6624 END_PROFILE(SMBcopy);
6628 if ((flags&(1<<5)) && VALID_STAT_OF_DIR(sbuf1)) {
6629 /* wants a tree copy! XXXX */
6630 DEBUG(3,("Rejecting tree copy\n"));
6631 reply_doserror(req, ERRSRV, ERRerror);
6632 END_PROFILE(SMBcopy);
6636 p = strrchr_m(name,'/');
6638 directory = talloc_strndup(ctx, name, PTR_DIFF(p, name));
6641 directory = talloc_strdup(ctx, "./");
6646 reply_nterror(req, NT_STATUS_NO_MEMORY);
6647 END_PROFILE(SMBcopy);
6652 * We should only check the mangled cache
6653 * here if unix_convert failed. This means
6654 * that the path in 'mask' doesn't exist
6655 * on the file system and so we need to look
6656 * for a possible mangle. This patch from
6657 * Tine Smukavec <valentin.smukavec@hermes.si>.
6660 if (!VALID_STAT(sbuf1) && mangle_is_mangled(mask, conn->params)) {
6661 char *new_mask = NULL;
6662 mangle_lookup_name_from_8_3(ctx,
6671 if (!source_has_wild) {
6672 directory = talloc_asprintf_append(directory,
6675 if (dest_has_wild) {
6676 char *mod_newname = NULL;
6677 if (!resolve_wildcards(ctx,
6678 directory,newname,&mod_newname)) {
6679 reply_nterror(req, NT_STATUS_NO_MEMORY);
6680 END_PROFILE(SMBcopy);
6683 newname = mod_newname;
6686 status = check_name(conn, directory);
6687 if (!NT_STATUS_IS_OK(status)) {
6688 reply_nterror(req, status);
6689 END_PROFILE(SMBcopy);
6693 status = check_name(conn, newname);
6694 if (!NT_STATUS_IS_OK(status)) {
6695 reply_nterror(req, status);
6696 END_PROFILE(SMBcopy);
6700 status = copy_file(ctx,conn,directory,newname,ofun,
6701 count,target_is_directory);
6703 if(!NT_STATUS_IS_OK(status)) {
6704 reply_nterror(req, status);
6705 END_PROFILE(SMBcopy);
6711 struct smb_Dir *dir_hnd = NULL;
6712 const char *dname = NULL;
6715 if (strequal(mask,"????????.???")) {
6719 status = check_name(conn, directory);
6720 if (!NT_STATUS_IS_OK(status)) {
6721 reply_nterror(req, status);
6722 END_PROFILE(SMBcopy);
6726 dir_hnd = OpenDir(talloc_tos(), conn, directory, mask, 0);
6727 if (dir_hnd == NULL) {
6728 status = map_nt_error_from_unix(errno);
6729 reply_nterror(req, status);
6730 END_PROFILE(SMBcopy);
6736 while ((dname = ReadDirName(dir_hnd, &offset, &sbuf1))) {
6737 char *destname = NULL;
6740 if (ISDOT(dname) || ISDOTDOT(dname)) {
6744 if (!is_visible_file(conn, directory, dname, &sbuf1, False)) {
6748 if(!mask_match(dname, mask, conn->case_sensitive)) {
6752 error = ERRnoaccess;
6753 fname = talloc_asprintf(ctx,
6758 TALLOC_FREE(dir_hnd);
6759 reply_nterror(req, NT_STATUS_NO_MEMORY);
6760 END_PROFILE(SMBcopy);
6764 if (!resolve_wildcards(ctx,
6765 fname,newname,&destname)) {
6769 TALLOC_FREE(dir_hnd);
6770 reply_nterror(req, NT_STATUS_NO_MEMORY);
6771 END_PROFILE(SMBcopy);
6775 status = check_name(conn, fname);
6776 if (!NT_STATUS_IS_OK(status)) {
6777 TALLOC_FREE(dir_hnd);
6778 reply_nterror(req, status);
6779 END_PROFILE(SMBcopy);
6783 status = check_name(conn, destname);
6784 if (!NT_STATUS_IS_OK(status)) {
6785 TALLOC_FREE(dir_hnd);
6786 reply_nterror(req, status);
6787 END_PROFILE(SMBcopy);
6791 DEBUG(3,("reply_copy : doing copy on %s -> %s\n",fname, destname));
6793 status = copy_file(ctx,conn,fname,destname,ofun,
6794 count,target_is_directory);
6795 if (NT_STATUS_IS_OK(status)) {
6799 TALLOC_FREE(destname);
6801 TALLOC_FREE(dir_hnd);
6806 /* Error on close... */
6808 reply_unixerror(req, ERRHRD, ERRgeneral);
6809 END_PROFILE(SMBcopy);
6813 reply_doserror(req, ERRDOS, error);
6814 END_PROFILE(SMBcopy);
6818 reply_outbuf(req, 1, 0);
6819 SSVAL(req->outbuf,smb_vwv0,count);
6821 END_PROFILE(SMBcopy);
6826 #define DBGC_CLASS DBGC_LOCKING
6828 /****************************************************************************
6829 Get a lock pid, dealing with large count requests.
6830 ****************************************************************************/
6832 uint32 get_lock_pid(const uint8_t *data, int data_offset,
6833 bool large_file_format)
6835 if(!large_file_format)
6836 return (uint32)SVAL(data,SMB_LPID_OFFSET(data_offset));
6838 return (uint32)SVAL(data,SMB_LARGE_LPID_OFFSET(data_offset));
6841 /****************************************************************************
6842 Get a lock count, dealing with large count requests.
6843 ****************************************************************************/
6845 uint64_t get_lock_count(const uint8_t *data, int data_offset,
6846 bool large_file_format)
6850 if(!large_file_format) {
6851 count = (uint64_t)IVAL(data,SMB_LKLEN_OFFSET(data_offset));
6854 #if defined(HAVE_LONGLONG)
6855 count = (((uint64_t) IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset))) << 32) |
6856 ((uint64_t) IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)));
6857 #else /* HAVE_LONGLONG */
6860 * NT4.x seems to be broken in that it sends large file (64 bit)
6861 * lockingX calls even if the CAP_LARGE_FILES was *not*
6862 * negotiated. For boxes without large unsigned ints truncate the
6863 * lock count by dropping the top 32 bits.
6866 if(IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)) != 0) {
6867 DEBUG(3,("get_lock_count: truncating lock count (high)0x%x (low)0x%x to just low count.\n",
6868 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)),
6869 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)) ));
6870 SIVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset),0);
6873 count = (uint64_t)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset));
6874 #endif /* HAVE_LONGLONG */
6880 #if !defined(HAVE_LONGLONG)
6881 /****************************************************************************
6882 Pathetically try and map a 64 bit lock offset into 31 bits. I hate Windows :-).
6883 ****************************************************************************/
6885 static uint32 map_lock_offset(uint32 high, uint32 low)
6889 uint32 highcopy = high;
6892 * Try and find out how many significant bits there are in high.
6895 for(i = 0; highcopy; i++)
6899 * We use 31 bits not 32 here as POSIX
6900 * lock offsets may not be negative.
6903 mask = (~0) << (31 - i);
6906 return 0; /* Fail. */
6912 #endif /* !defined(HAVE_LONGLONG) */
6914 /****************************************************************************
6915 Get a lock offset, dealing with large offset requests.
6916 ****************************************************************************/
6918 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
6919 bool large_file_format, bool *err)
6921 uint64_t offset = 0;
6925 if(!large_file_format) {
6926 offset = (uint64_t)IVAL(data,SMB_LKOFF_OFFSET(data_offset));
6929 #if defined(HAVE_LONGLONG)
6930 offset = (((uint64_t) IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset))) << 32) |
6931 ((uint64_t) IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset)));
6932 #else /* HAVE_LONGLONG */
6935 * NT4.x seems to be broken in that it sends large file (64 bit)
6936 * lockingX calls even if the CAP_LARGE_FILES was *not*
6937 * negotiated. For boxes without large unsigned ints mangle the
6938 * lock offset by mapping the top 32 bits onto the lower 32.
6941 if(IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset)) != 0) {
6942 uint32 low = IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
6943 uint32 high = IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset));
6946 if((new_low = map_lock_offset(high, low)) == 0) {
6948 return (uint64_t)-1;
6951 DEBUG(3,("get_lock_offset: truncating lock offset (high)0x%x (low)0x%x to offset 0x%x.\n",
6952 (unsigned int)high, (unsigned int)low, (unsigned int)new_low ));
6953 SIVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset),0);
6954 SIVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset),new_low);
6957 offset = (uint64_t)IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
6958 #endif /* HAVE_LONGLONG */
6964 /****************************************************************************
6965 Reply to a lockingX request.
6966 ****************************************************************************/
6968 void reply_lockingX(struct smb_request *req)
6970 connection_struct *conn = req->conn;
6972 unsigned char locktype;
6973 unsigned char oplocklevel;
6976 uint64_t count = 0, offset = 0;
6980 const uint8_t *data;
6981 bool large_file_format;
6983 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
6985 START_PROFILE(SMBlockingX);
6988 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6989 END_PROFILE(SMBlockingX);
6993 fsp = file_fsp(req, SVAL(req->vwv+2, 0));
6994 locktype = CVAL(req->vwv+3, 0);
6995 oplocklevel = CVAL(req->vwv+3, 1);
6996 num_ulocks = SVAL(req->vwv+6, 0);
6997 num_locks = SVAL(req->vwv+7, 0);
6998 lock_timeout = IVAL(req->vwv+4, 0);
6999 large_file_format = (locktype & LOCKING_ANDX_LARGE_FILES)?True:False;
7001 if (!check_fsp(conn, req, fsp)) {
7002 END_PROFILE(SMBlockingX);
7008 if (locktype & LOCKING_ANDX_CHANGE_LOCKTYPE) {
7009 /* we don't support these - and CANCEL_LOCK makes w2k
7010 and XP reboot so I don't really want to be
7011 compatible! (tridge) */
7012 reply_nterror(req, NT_STATUS_DOS(ERRDOS, ERRnoatomiclocks));
7013 END_PROFILE(SMBlockingX);
7017 /* Check if this is an oplock break on a file
7018 we have granted an oplock on.
7020 if ((locktype & LOCKING_ANDX_OPLOCK_RELEASE)) {
7021 /* Client can insist on breaking to none. */
7022 bool break_to_none = (oplocklevel == 0);
7025 DEBUG(5,("reply_lockingX: oplock break reply (%u) from client "
7026 "for fnum = %d\n", (unsigned int)oplocklevel,
7030 * Make sure we have granted an exclusive or batch oplock on
7034 if (fsp->oplock_type == 0) {
7036 /* The Samba4 nbench simulator doesn't understand
7037 the difference between break to level2 and break
7038 to none from level2 - it sends oplock break
7039 replies in both cases. Don't keep logging an error
7040 message here - just ignore it. JRA. */
7042 DEBUG(5,("reply_lockingX: Error : oplock break from "
7043 "client for fnum = %d (oplock=%d) and no "
7044 "oplock granted on this file (%s).\n",
7045 fsp->fnum, fsp->oplock_type, fsp->fsp_name));
7047 /* if this is a pure oplock break request then don't
7049 if (num_locks == 0 && num_ulocks == 0) {
7050 END_PROFILE(SMBlockingX);
7053 END_PROFILE(SMBlockingX);
7054 reply_doserror(req, ERRDOS, ERRlock);
7059 if ((fsp->sent_oplock_break == BREAK_TO_NONE_SENT) ||
7061 result = remove_oplock(fsp);
7063 result = downgrade_oplock(fsp);
7067 DEBUG(0, ("reply_lockingX: error in removing "
7068 "oplock on file %s\n", fsp->fsp_name));
7069 /* Hmmm. Is this panic justified? */
7070 smb_panic("internal tdb error");
7073 reply_to_oplock_break_requests(fsp);
7075 /* if this is a pure oplock break request then don't send a
7077 if (num_locks == 0 && num_ulocks == 0) {
7078 /* Sanity check - ensure a pure oplock break is not a
7080 if(CVAL(req->vwv+0, 0) != 0xff)
7081 DEBUG(0,("reply_lockingX: Error : pure oplock "
7082 "break is a chained %d request !\n",
7083 (unsigned int)CVAL(req->vwv+0, 0)));
7084 END_PROFILE(SMBlockingX);
7090 (num_ulocks + num_locks) * (large_file_format ? 20 : 10)) {
7091 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7092 END_PROFILE(SMBlockingX);
7096 /* Data now points at the beginning of the list
7097 of smb_unlkrng structs */
7098 for(i = 0; i < (int)num_ulocks; i++) {
7099 lock_pid = get_lock_pid( data, i, large_file_format);
7100 count = get_lock_count( data, i, large_file_format);
7101 offset = get_lock_offset( data, i, large_file_format, &err);
7104 * There is no error code marked "stupid client bug".... :-).
7107 END_PROFILE(SMBlockingX);
7108 reply_doserror(req, ERRDOS, ERRnoaccess);
7112 DEBUG(10,("reply_lockingX: unlock start=%.0f, len=%.0f for "
7113 "pid %u, file %s\n", (double)offset, (double)count,
7114 (unsigned int)lock_pid, fsp->fsp_name ));
7116 status = do_unlock(smbd_messaging_context(),
7123 DEBUG(10, ("reply_lockingX: unlock returned %s\n",
7124 nt_errstr(status)));
7126 if (NT_STATUS_V(status)) {
7127 END_PROFILE(SMBlockingX);
7128 reply_nterror(req, status);
7133 /* Setup the timeout in seconds. */
7135 if (!lp_blocking_locks(SNUM(conn))) {
7139 /* Now do any requested locks */
7140 data += ((large_file_format ? 20 : 10)*num_ulocks);
7142 /* Data now points at the beginning of the list
7143 of smb_lkrng structs */
7145 for(i = 0; i < (int)num_locks; i++) {
7146 enum brl_type lock_type = ((locktype & LOCKING_ANDX_SHARED_LOCK) ?
7147 READ_LOCK:WRITE_LOCK);
7148 lock_pid = get_lock_pid( data, i, large_file_format);
7149 count = get_lock_count( data, i, large_file_format);
7150 offset = get_lock_offset( data, i, large_file_format, &err);
7153 * There is no error code marked "stupid client bug".... :-).
7156 END_PROFILE(SMBlockingX);
7157 reply_doserror(req, ERRDOS, ERRnoaccess);
7161 DEBUG(10,("reply_lockingX: lock start=%.0f, len=%.0f for pid "
7162 "%u, file %s timeout = %d\n", (double)offset,
7163 (double)count, (unsigned int)lock_pid,
7164 fsp->fsp_name, (int)lock_timeout ));
7166 if (locktype & LOCKING_ANDX_CANCEL_LOCK) {
7167 struct blocking_lock_record *blr = NULL;
7169 if (lp_blocking_locks(SNUM(conn))) {
7171 /* Schedule a message to ourselves to
7172 remove the blocking lock record and
7173 return the right error. */
7175 blr = blocking_lock_cancel(fsp,
7181 NT_STATUS_FILE_LOCK_CONFLICT);
7183 END_PROFILE(SMBlockingX);
7188 ERRcancelviolation));
7192 /* Remove a matching pending lock. */
7193 status = do_lock_cancel(fsp,
7200 bool blocking_lock = lock_timeout ? True : False;
7201 bool defer_lock = False;
7202 struct byte_range_lock *br_lck;
7203 uint32 block_smbpid;
7205 br_lck = do_lock(smbd_messaging_context(),
7217 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
7218 /* Windows internal resolution for blocking locks seems
7219 to be about 200ms... Don't wait for less than that. JRA. */
7220 if (lock_timeout != -1 && lock_timeout < lp_lock_spin_time()) {
7221 lock_timeout = lp_lock_spin_time();
7226 /* This heuristic seems to match W2K3 very well. If a
7227 lock sent with timeout of zero would fail with NT_STATUS_FILE_LOCK_CONFLICT
7228 it pretends we asked for a timeout of between 150 - 300 milliseconds as
7229 far as I can tell. Replacement for do_lock_spin(). JRA. */
7231 if (br_lck && lp_blocking_locks(SNUM(conn)) && !blocking_lock &&
7232 NT_STATUS_EQUAL((status), NT_STATUS_FILE_LOCK_CONFLICT)) {
7234 lock_timeout = lp_lock_spin_time();
7237 if (br_lck && defer_lock) {
7239 * A blocking lock was requested. Package up
7240 * this smb into a queued request and push it
7241 * onto the blocking lock queue.
7243 if(push_blocking_lock_request(br_lck,
7254 TALLOC_FREE(br_lck);
7255 END_PROFILE(SMBlockingX);
7260 TALLOC_FREE(br_lck);
7263 if (NT_STATUS_V(status)) {
7264 END_PROFILE(SMBlockingX);
7265 reply_nterror(req, status);
7270 /* If any of the above locks failed, then we must unlock
7271 all of the previous locks (X/Open spec). */
7273 if (!(locktype & LOCKING_ANDX_CANCEL_LOCK) &&
7277 * Ensure we don't do a remove on the lock that just failed,
7278 * as under POSIX rules, if we have a lock already there, we
7279 * will delete it (and we shouldn't) .....
7281 for(i--; i >= 0; i--) {
7282 lock_pid = get_lock_pid( data, i, large_file_format);
7283 count = get_lock_count( data, i, large_file_format);
7284 offset = get_lock_offset( data, i, large_file_format,
7288 * There is no error code marked "stupid client
7292 END_PROFILE(SMBlockingX);
7293 reply_doserror(req, ERRDOS, ERRnoaccess);
7297 do_unlock(smbd_messaging_context(),
7304 END_PROFILE(SMBlockingX);
7305 reply_nterror(req, status);
7309 reply_outbuf(req, 2, 0);
7311 DEBUG(3, ("lockingX fnum=%d type=%d num_locks=%d num_ulocks=%d\n",
7312 fsp->fnum, (unsigned int)locktype, num_locks, num_ulocks));
7314 END_PROFILE(SMBlockingX);
7319 #define DBGC_CLASS DBGC_ALL
7321 /****************************************************************************
7322 Reply to a SMBreadbmpx (read block multiplex) request.
7323 Always reply with an error, if someone has a platform really needs this,
7324 please contact vl@samba.org
7325 ****************************************************************************/
7327 void reply_readbmpx(struct smb_request *req)
7329 START_PROFILE(SMBreadBmpx);
7330 reply_doserror(req, ERRSRV, ERRuseSTD);
7331 END_PROFILE(SMBreadBmpx);
7335 /****************************************************************************
7336 Reply to a SMBreadbs (read block multiplex secondary) request.
7337 Always reply with an error, if someone has a platform really needs this,
7338 please contact vl@samba.org
7339 ****************************************************************************/
7341 void reply_readbs(struct smb_request *req)
7343 START_PROFILE(SMBreadBs);
7344 reply_doserror(req, ERRSRV, ERRuseSTD);
7345 END_PROFILE(SMBreadBs);
7349 /****************************************************************************
7350 Reply to a SMBsetattrE.
7351 ****************************************************************************/
7353 void reply_setattrE(struct smb_request *req)
7355 connection_struct *conn = req->conn;
7356 struct smb_file_time ft;
7358 SMB_STRUCT_STAT sbuf;
7361 START_PROFILE(SMBsetattrE);
7365 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7366 END_PROFILE(SMBsetattrE);
7370 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
7372 if(!fsp || (fsp->conn != conn)) {
7373 reply_doserror(req, ERRDOS, ERRbadfid);
7374 END_PROFILE(SMBsetattrE);
7380 * Convert the DOS times into unix times.
7383 ft.atime = convert_time_t_to_timespec(
7384 srv_make_unix_date2(req->vwv+3));
7385 ft.mtime = convert_time_t_to_timespec(
7386 srv_make_unix_date2(req->vwv+5));
7387 ft.create_time = convert_time_t_to_timespec(
7388 srv_make_unix_date2(req->vwv+1));
7390 reply_outbuf(req, 0, 0);
7393 * Patch from Ray Frush <frush@engr.colostate.edu>
7394 * Sometimes times are sent as zero - ignore them.
7397 /* Ensure we have a valid stat struct for the source. */
7398 if (fsp->fh->fd != -1) {
7399 if (SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
7400 status = map_nt_error_from_unix(errno);
7401 reply_nterror(req, status);
7402 END_PROFILE(SMBsetattrE);
7408 if (fsp->posix_open) {
7409 ret = SMB_VFS_LSTAT(conn, fsp->fsp_name, &sbuf);
7411 ret = SMB_VFS_STAT(conn, fsp->fsp_name, &sbuf);
7414 status = map_nt_error_from_unix(errno);
7415 reply_nterror(req, status);
7416 END_PROFILE(SMBsetattrE);
7421 status = smb_set_file_time(conn, fsp, fsp->fsp_name,
7423 if (!NT_STATUS_IS_OK(status)) {
7424 reply_doserror(req, ERRDOS, ERRnoaccess);
7425 END_PROFILE(SMBsetattrE);
7429 DEBUG( 3, ( "reply_setattrE fnum=%d actime=%u modtime=%u "
7432 (unsigned int)ft.atime.tv_sec,
7433 (unsigned int)ft.mtime.tv_sec,
7434 (unsigned int)ft.create_time.tv_sec
7437 END_PROFILE(SMBsetattrE);
7442 /* Back from the dead for OS/2..... JRA. */
7444 /****************************************************************************
7445 Reply to a SMBwritebmpx (write block multiplex primary) request.
7446 Always reply with an error, if someone has a platform really needs this,
7447 please contact vl@samba.org
7448 ****************************************************************************/
7450 void reply_writebmpx(struct smb_request *req)
7452 START_PROFILE(SMBwriteBmpx);
7453 reply_doserror(req, ERRSRV, ERRuseSTD);
7454 END_PROFILE(SMBwriteBmpx);
7458 /****************************************************************************
7459 Reply to a SMBwritebs (write block multiplex secondary) request.
7460 Always reply with an error, if someone has a platform really needs this,
7461 please contact vl@samba.org
7462 ****************************************************************************/
7464 void reply_writebs(struct smb_request *req)
7466 START_PROFILE(SMBwriteBs);
7467 reply_doserror(req, ERRSRV, ERRuseSTD);
7468 END_PROFILE(SMBwriteBs);
7472 /****************************************************************************
7473 Reply to a SMBgetattrE.
7474 ****************************************************************************/
7476 void reply_getattrE(struct smb_request *req)
7478 connection_struct *conn = req->conn;
7479 SMB_STRUCT_STAT sbuf;
7482 struct timespec create_ts;
7484 START_PROFILE(SMBgetattrE);
7487 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7488 END_PROFILE(SMBgetattrE);
7492 fsp = file_fsp(req, SVAL(req->vwv+0, 0));
7494 if(!fsp || (fsp->conn != conn)) {
7495 reply_doserror(req, ERRDOS, ERRbadfid);
7496 END_PROFILE(SMBgetattrE);
7500 /* Do an fstat on this file */
7501 if(fsp_stat(fsp, &sbuf)) {
7502 reply_unixerror(req, ERRDOS, ERRnoaccess);
7503 END_PROFILE(SMBgetattrE);
7507 mode = dos_mode(conn,fsp->fsp_name,&sbuf);
7510 * Convert the times into dos times. Set create
7511 * date to be last modify date as UNIX doesn't save
7515 reply_outbuf(req, 11, 0);
7517 create_ts = get_create_timespec(&sbuf,
7518 lp_fake_dir_create_times(SNUM(conn)));
7519 srv_put_dos_date2((char *)req->outbuf, smb_vwv0, create_ts.tv_sec);
7520 srv_put_dos_date2((char *)req->outbuf, smb_vwv2, sbuf.st_atime);
7521 /* Should we check pending modtime here ? JRA */
7522 srv_put_dos_date2((char *)req->outbuf, smb_vwv4, sbuf.st_mtime);
7525 SIVAL(req->outbuf, smb_vwv6, 0);
7526 SIVAL(req->outbuf, smb_vwv8, 0);
7528 uint32 allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn,fsp, &sbuf);
7529 SIVAL(req->outbuf, smb_vwv6, (uint32)sbuf.st_size);
7530 SIVAL(req->outbuf, smb_vwv8, allocation_size);
7532 SSVAL(req->outbuf,smb_vwv10, mode);
7534 DEBUG( 3, ( "reply_getattrE fnum=%d\n", fsp->fnum));
7536 END_PROFILE(SMBgetattrE);