2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Tim Potter 2000-2001
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 /* the last IP received from */
25 struct in_addr lastip;
27 /* the last port received from */
30 int smb_read_error = 0;
32 static char *get_socket_addr(int fd)
35 struct sockaddr_in *sockin = (struct sockaddr_in *) (&sa);
36 int length = sizeof(sa);
37 static fstring addr_buf;
39 fstrcpy(addr_buf,"0.0.0.0");
45 if (getsockname(fd, &sa, &length) < 0) {
46 DEBUG(0,("getpeername failed. Error was %s\n", strerror(errno) ));
50 fstrcpy(addr_buf,(char *)inet_ntoa(sockin->sin_addr));
55 /****************************************************************************
56 Determine if a file descriptor is in fact a socket.
57 ****************************************************************************/
59 BOOL is_a_socket(int fd)
63 return(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&v, &l) == 0);
66 enum SOCK_OPT_TYPES {OPT_BOOL,OPT_INT,OPT_ON};
68 typedef struct smb_socket_option {
76 static const smb_socket_option socket_options[] = {
77 {"SO_KEEPALIVE", SOL_SOCKET, SO_KEEPALIVE, 0, OPT_BOOL},
78 {"SO_REUSEADDR", SOL_SOCKET, SO_REUSEADDR, 0, OPT_BOOL},
79 {"SO_BROADCAST", SOL_SOCKET, SO_BROADCAST, 0, OPT_BOOL},
81 {"TCP_NODELAY", IPPROTO_TCP, TCP_NODELAY, 0, OPT_BOOL},
84 {"IPTOS_LOWDELAY", IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY, OPT_ON},
86 #ifdef IPTOS_THROUGHPUT
87 {"IPTOS_THROUGHPUT", IPPROTO_IP, IP_TOS, IPTOS_THROUGHPUT, OPT_ON},
90 {"SO_REUSEPORT", SOL_SOCKET, SO_REUSEPORT, 0, OPT_BOOL},
93 {"SO_SNDBUF", SOL_SOCKET, SO_SNDBUF, 0, OPT_INT},
96 {"SO_RCVBUF", SOL_SOCKET, SO_RCVBUF, 0, OPT_INT},
99 {"SO_SNDLOWAT", SOL_SOCKET, SO_SNDLOWAT, 0, OPT_INT},
102 {"SO_RCVLOWAT", SOL_SOCKET, SO_RCVLOWAT, 0, OPT_INT},
105 {"SO_SNDTIMEO", SOL_SOCKET, SO_SNDTIMEO, 0, OPT_INT},
108 {"SO_RCVTIMEO", SOL_SOCKET, SO_RCVTIMEO, 0, OPT_INT},
112 /****************************************************************************
113 Print socket options.
114 ****************************************************************************/
116 static void print_socket_options(int s)
119 const smb_socket_option *p = &socket_options[0];
121 /* wrapped in if statement to prevent streams leak in SCO Openserver 5.0 */
122 /* reported on samba-technical --jerry */
123 if ( DEBUGLEVEL >= 5 ) {
124 for (; p->name != NULL; p++) {
125 if (getsockopt(s, p->level, p->option, (void *)&value, &vlen) == -1) {
126 DEBUG(5,("Could not test socket option %s.\n", p->name));
128 DEBUG(5,("socket option %s = %d\n",p->name,value));
134 /****************************************************************************
135 Set user socket options.
136 ****************************************************************************/
138 void set_socket_options(int fd, const char *options)
142 while (next_token(&options,tok," \t,", sizeof(tok))) {
146 BOOL got_value = False;
148 if ((p = strchr_m(tok,'='))) {
154 for (i=0;socket_options[i].name;i++)
155 if (strequal(socket_options[i].name,tok))
158 if (!socket_options[i].name) {
159 DEBUG(0,("Unknown socket option %s\n",tok));
163 switch (socket_options[i].opttype) {
166 ret = setsockopt(fd,socket_options[i].level,
167 socket_options[i].option,(char *)&value,sizeof(int));
172 DEBUG(0,("syntax error - %s does not take a value\n",tok));
175 int on = socket_options[i].value;
176 ret = setsockopt(fd,socket_options[i].level,
177 socket_options[i].option,(char *)&on,sizeof(int));
183 DEBUG(0,("Failed to set socket option %s (Error %s)\n",tok, strerror(errno) ));
186 print_socket_options(fd);
189 /****************************************************************************
191 ****************************************************************************/
193 ssize_t read_udp_socket(int fd,char *buf,size_t len)
196 struct sockaddr_in sock;
197 socklen_t socklen = sizeof(sock);
199 memset((char *)&sock,'\0',socklen);
200 memset((char *)&lastip,'\0',sizeof(lastip));
201 ret = (ssize_t)sys_recvfrom(fd,buf,len,0,(struct sockaddr *)&sock,&socklen);
203 DEBUG(2,("read socket failed. ERRNO=%s\n",strerror(errno)));
207 lastip = sock.sin_addr;
208 lastport = ntohs(sock.sin_port);
210 DEBUG(10,("read_udp_socket: lastip %s lastport %d read: %lu\n",
211 inet_ntoa(lastip), lastport, (unsigned long)ret));
216 /****************************************************************************
217 Read data from a socket with a timout in msec.
218 mincount = if timeout, minimum to read before returning
219 maxcount = number to be read.
220 time_out = timeout in milliseconds
221 ****************************************************************************/
223 ssize_t read_socket_with_timeout(int fd,char *buf,size_t mincnt,size_t maxcnt,unsigned int time_out)
229 struct timeval timeout;
231 /* just checking .... */
239 if (mincnt == 0) mincnt = maxcnt;
241 while (nread < mincnt) {
242 readret = sys_read(fd, buf + nread, maxcnt - nread);
245 DEBUG(5,("read_socket_with_timeout: blocking read. EOF from client.\n"));
246 smb_read_error = READ_EOF;
251 DEBUG(0,("read_socket_with_timeout: read error = %s.\n", strerror(errno) ));
252 smb_read_error = READ_ERROR;
257 return((ssize_t)nread);
260 /* Most difficult - timeout read */
261 /* If this is ever called on a disk file and
262 mincnt is greater then the filesize then
263 system performance will suffer severely as
264 select always returns true on disk files */
266 /* Set initial timeout */
267 timeout.tv_sec = (time_t)(time_out / 1000);
268 timeout.tv_usec = (long)(1000 * (time_out % 1000));
270 for (nread=0; nread < mincnt; ) {
274 selrtn = sys_select_intr(fd+1,&fds,NULL,NULL,&timeout);
278 /* something is wrong. Maybe the socket is dead? */
279 DEBUG(0,("read_socket_with_timeout: timeout read. select error = %s.\n", strerror(errno) ));
280 smb_read_error = READ_ERROR;
284 /* Did we timeout ? */
286 DEBUG(10,("read_socket_with_timeout: timeout read. select timed out.\n"));
287 smb_read_error = READ_TIMEOUT;
291 readret = sys_read(fd, buf+nread, maxcnt-nread);
294 /* we got EOF on the file descriptor */
295 DEBUG(5,("read_socket_with_timeout: timeout read. EOF from client.\n"));
296 smb_read_error = READ_EOF;
301 /* the descriptor is probably dead */
302 DEBUG(0,("read_socket_with_timeout: timeout read. read error = %s.\n", strerror(errno) ));
303 smb_read_error = READ_ERROR;
310 /* Return the number we got */
311 return (ssize_t)nread;
314 /****************************************************************************
315 Read data from the client, reading exactly N bytes.
316 ****************************************************************************/
318 ssize_t read_data(int fd,char *buffer,size_t N)
326 ret = sys_read(fd,buffer + total,N - total);
329 DEBUG(10,("read_data: read of %d returned 0. Error = %s\n", (int)(N - total), strerror(errno) ));
330 smb_read_error = READ_EOF;
335 DEBUG(0,("read_data: read failure for %d. Error = %s\n", (int)(N - total), strerror(errno) ));
336 smb_read_error = READ_ERROR;
341 return (ssize_t)total;
344 /****************************************************************************
345 Read data from a socket, reading exactly N bytes.
346 ****************************************************************************/
348 static ssize_t read_socket_data(int fd,char *buffer,size_t N)
356 ret = sys_read(fd,buffer + total,N - total);
359 DEBUG(10,("read_socket_data: recv of %d returned 0. Error = %s\n", (int)(N - total), strerror(errno) ));
360 smb_read_error = READ_EOF;
365 DEBUG(0,("read_socket_data: recv failure for %d. Error = %s\n", (int)(N - total), strerror(errno) ));
366 smb_read_error = READ_ERROR;
371 return (ssize_t)total;
374 /****************************************************************************
376 ****************************************************************************/
378 ssize_t write_data(int fd,char *buffer,size_t N)
384 ret = sys_write(fd,buffer + total,N - total);
387 DEBUG(0,("write_data: write failure. Error = %s\n", strerror(errno) ));
395 return (ssize_t)total;
398 /****************************************************************************
399 Write data to a socket - use send rather than write.
400 ****************************************************************************/
402 static ssize_t write_socket_data(int fd,char *buffer,size_t N)
408 ret = sys_send(fd,buffer + total,N - total,0);
411 DEBUG(0,("write_socket_data: write failure. Error = %s\n", strerror(errno) ));
419 return (ssize_t)total;
422 /****************************************************************************
424 ****************************************************************************/
426 ssize_t write_socket(int fd,char *buf,size_t len)
430 DEBUG(6,("write_socket(%d,%d)\n",fd,(int)len));
431 ret = write_socket_data(fd,buf,len);
433 DEBUG(6,("write_socket(%d,%d) wrote %d\n",fd,(int)len,(int)ret));
435 DEBUG(0,("write_socket: Error writing %d bytes to socket %d: ERRNO = %s\n",
436 (int)len, fd, strerror(errno) ));
441 /****************************************************************************
442 Send a keepalive packet (rfc1002).
443 ****************************************************************************/
445 BOOL send_keepalive(int client)
447 unsigned char buf[4];
449 buf[0] = SMBkeepalive;
450 buf[1] = buf[2] = buf[3] = 0;
452 return(write_socket_data(client,(char *)buf,4) == 4);
456 /****************************************************************************
457 Read 4 bytes of a smb packet and return the smb length of the packet.
458 Store the result in the buffer.
459 This version of the function will return a length of zero on receiving
461 Timeout is in milliseconds.
462 ****************************************************************************/
464 static ssize_t read_smb_length_return_keepalive(int fd,char *inbuf,unsigned int timeout)
472 ok = (read_socket_with_timeout(fd,inbuf,4,4,timeout) == 4);
474 ok = (read_socket_data(fd,inbuf,4) == 4);
479 len = smb_len(inbuf);
480 msg_type = CVAL(inbuf,0);
482 if (msg_type == SMBkeepalive)
483 DEBUG(5,("Got keepalive packet\n"));
486 DEBUG(10,("got smb length of %lu\n",(unsigned long)len));
491 /****************************************************************************
492 Read 4 bytes of a smb packet and return the smb length of the packet.
493 Store the result in the buffer. This version of the function will
494 never return a session keepalive (length of zero).
495 Timeout is in milliseconds.
496 ****************************************************************************/
498 ssize_t read_smb_length(int fd,char *inbuf,unsigned int timeout)
503 len = read_smb_length_return_keepalive(fd, inbuf, timeout);
508 /* Ignore session keepalives. */
509 if(CVAL(inbuf,0) != SMBkeepalive)
513 DEBUG(10,("read_smb_length: got smb length of %lu\n",
514 (unsigned long)len));
519 /****************************************************************************
520 Read an smb from a fd. Note that the buffer *MUST* be of size
521 BUFFER_SIZE+SAFETY_MARGIN.
522 The timeout is in milliseconds.
523 This function will return on receipt of a session keepalive packet.
524 Doesn't check the MAC on signed packets.
525 ****************************************************************************/
527 BOOL receive_smb_raw(int fd,char *buffer, unsigned int timeout)
533 memset(buffer,'\0',smb_size + 100);
535 len = read_smb_length_return_keepalive(fd,buffer,timeout);
537 DEBUG(10,("receive_smb_raw: length < 0!\n"));
540 * Correct fix. smb_read_error may have already been
541 * set. Only set it here if not already set. Global
542 * variables still suck :-). JRA.
545 if (smb_read_error == 0)
546 smb_read_error = READ_ERROR;
551 * A WRITEX with CAP_LARGE_WRITEX can be 64k worth of data plus 65 bytes
552 * of header. Don't print the error if this fits.... JRA.
555 if (len > (BUFFER_SIZE + LARGE_WRITEX_HDR_SIZE)) {
556 DEBUG(0,("Invalid packet length! (%lu bytes).\n",(unsigned long)len));
557 if (len > BUFFER_SIZE + (SAFETY_MARGIN/2)) {
560 * Correct fix. smb_read_error may have already been
561 * set. Only set it here if not already set. Global
562 * variables still suck :-). JRA.
565 if (smb_read_error == 0)
566 smb_read_error = READ_ERROR;
572 ret = read_socket_data(fd,buffer+4,len);
574 if (smb_read_error == 0)
575 smb_read_error = READ_ERROR;
579 /* not all of samba3 properly checks for packet-termination of strings. This
580 ensures that we don't run off into empty space. */
581 SSVAL(buffer+4,len, 0);
587 /****************************************************************************
588 Wrapper for receive_smb_raw().
589 Checks the MAC on signed packets.
590 ****************************************************************************/
592 BOOL receive_smb(int fd,char *buffer, unsigned int timeout)
594 if (!receive_smb_raw(fd, buffer, timeout)) {
598 /* Check the incoming SMB signature. */
599 if (!srv_check_sign_mac(buffer)) {
600 DEBUG(0, ("receive_smb: SMB Signature verification failed on incoming packet!\n"));
601 if (smb_read_error == 0)
602 smb_read_error = READ_BAD_SIG;
609 /****************************************************************************
611 ****************************************************************************/
613 BOOL send_smb(int fd,char *buffer)
619 /* Sign the outgoing packet if required. */
620 srv_calculate_sign_mac(buffer);
622 len = smb_len(buffer) + 4;
624 while (nwritten < len) {
625 ret = write_socket(fd,buffer+nwritten,len - nwritten);
627 DEBUG(0,("Error writing %d bytes to client. %d. (%s)\n",
628 (int)len,(int)ret, strerror(errno) ));
637 /****************************************************************************
638 Open a socket of the specified type, port, and address for incoming data.
639 ****************************************************************************/
641 int open_socket_in( int type, int port, int dlevel, uint32 socket_addr, BOOL rebind )
643 struct sockaddr_in sock;
646 memset( (char *)&sock, '\0', sizeof(sock) );
648 #ifdef HAVE_SOCK_SIN_LEN
649 sock.sin_len = sizeof(sock);
651 sock.sin_port = htons( port );
652 sock.sin_family = AF_INET;
653 sock.sin_addr.s_addr = socket_addr;
655 res = socket( AF_INET, type, 0 );
658 dbgtext( "open_socket_in(): socket() call failed: " );
659 dbgtext( "%s\n", strerror( errno ) );
664 /* This block sets/clears the SO_REUSEADDR and possibly SO_REUSEPORT. */
666 int val = rebind ? 1 : 0;
667 if( setsockopt(res,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)) == -1 ) {
668 if( DEBUGLVL( dlevel ) ) {
669 dbgtext( "open_socket_in(): setsockopt: " );
670 dbgtext( "SO_REUSEADDR = %s ", val?"True":"False" );
671 dbgtext( "on port %d failed ", port );
672 dbgtext( "with error = %s\n", strerror(errno) );
676 if( setsockopt(res,SOL_SOCKET,SO_REUSEPORT,(char *)&val,sizeof(val)) == -1 ) {
677 if( DEBUGLVL( dlevel ) ) {
678 dbgtext( "open_socket_in(): setsockopt: ");
679 dbgtext( "SO_REUSEPORT = %s ", val?"True":"False" );
680 dbgtext( "on port %d failed ", port );
681 dbgtext( "with error = %s\n", strerror(errno) );
684 #endif /* SO_REUSEPORT */
687 /* now we've got a socket - we need to bind it */
688 if( bind( res, (struct sockaddr *)&sock, sizeof(sock) ) == -1 ) {
689 if( DEBUGLVL(dlevel) && (port == SMB_PORT1 || port == SMB_PORT2 || port == NMB_PORT) ) {
690 dbgtext( "bind failed on port %d ", port );
691 dbgtext( "socket_addr = %s.\n", inet_ntoa( sock.sin_addr ) );
692 dbgtext( "Error = %s\n", strerror(errno) );
698 DEBUG( 10, ( "bind succeeded on port %d\n", port ) );
703 /****************************************************************************
704 Create an outgoing socket. timeout is in milliseconds.
705 **************************************************************************/
707 int open_socket_out(int type, struct in_addr *addr, int port ,int timeout)
709 struct sockaddr_in sock_out;
711 int connect_loop = 10;
714 /* create a socket to write to */
715 res = socket(PF_INET, type, 0);
717 DEBUG(0,("socket error\n"));
721 if (type != SOCK_STREAM)
724 memset((char *)&sock_out,'\0',sizeof(sock_out));
725 putip((char *)&sock_out.sin_addr,(char *)addr);
727 sock_out.sin_port = htons( port );
728 sock_out.sin_family = PF_INET;
730 /* set it non-blocking */
731 set_blocking(res,False);
733 DEBUG(3,("Connecting to %s at port %d\n",inet_ntoa(*addr),port));
735 /* and connect it to the destination */
738 ret = connect(res,(struct sockaddr *)&sock_out,sizeof(sock_out));
740 /* Some systems return EAGAIN when they mean EINPROGRESS */
741 if (ret < 0 && (errno == EINPROGRESS || errno == EALREADY ||
742 errno == EAGAIN) && (connect_loop < timeout) ) {
743 smb_msleep(connect_loop);
744 connect_loop += increment;
745 if (increment < 250) {
746 /* After 8 rounds we end up at a max of 255 msec */
752 if (ret < 0 && (errno == EINPROGRESS || errno == EALREADY ||
754 DEBUG(1,("timeout connecting to %s:%d\n",inet_ntoa(*addr),port));
761 if (ret < 0 && errno == EISCONN) {
768 DEBUG(2,("error connecting to %s:%d (%s)\n",
769 inet_ntoa(*addr),port,strerror(errno)));
774 /* set it blocking again */
775 set_blocking(res,True);
780 /****************************************************************************
781 Open a connected UDP socket to host on port
782 **************************************************************************/
784 int open_udp_socket(const char *host, int port)
786 int type = SOCK_DGRAM;
787 struct sockaddr_in sock_out;
789 struct in_addr *addr;
791 addr = interpret_addr2(host);
793 res = socket(PF_INET, type, 0);
798 memset((char *)&sock_out,'\0',sizeof(sock_out));
799 putip((char *)&sock_out.sin_addr,(char *)addr);
800 sock_out.sin_port = htons(port);
801 sock_out.sin_family = PF_INET;
803 if (connect(res,(struct sockaddr *)&sock_out,sizeof(sock_out))) {
812 /* the following 3 client_*() functions are nasty ways of allowing
813 some generic functions to get info that really should be hidden in
814 particular modules */
815 static int client_fd = -1;
817 void client_setfd(int fd)
822 char *client_name(void)
824 return get_peer_name(client_fd,False);
827 char *client_addr(void)
829 return get_peer_addr(client_fd);
832 char *client_socket_addr(void)
834 return get_socket_addr(client_fd);
837 struct in_addr *client_inaddr(struct sockaddr *sa)
839 struct sockaddr_in *sockin = (struct sockaddr_in *) (sa);
840 int length = sizeof(*sa);
842 if (getpeername(client_fd, sa, &length) < 0) {
843 DEBUG(0,("getpeername failed. Error was %s\n", strerror(errno) ));
847 return &sockin->sin_addr;
850 /*******************************************************************
851 Matchname - determine if host name matches IP address. Used to
852 confirm a hostname lookup to prevent spoof attacks.
853 ******************************************************************/
855 static BOOL matchname(char *remotehost,struct in_addr addr)
860 if ((hp = sys_gethostbyname(remotehost)) == 0) {
861 DEBUG(0,("sys_gethostbyname(%s): lookup failure.\n", remotehost));
866 * Make sure that gethostbyname() returns the "correct" host name.
867 * Unfortunately, gethostbyname("localhost") sometimes yields
868 * "localhost.domain". Since the latter host name comes from the
869 * local DNS, we just have to trust it (all bets are off if the local
870 * DNS is perverted). We always check the address list, though.
873 if (!strequal(remotehost, hp->h_name)
874 && !strequal(remotehost, "localhost")) {
875 DEBUG(0,("host name/name mismatch: %s != %s\n",
876 remotehost, hp->h_name));
880 /* Look up the host address in the address list we just got. */
881 for (i = 0; hp->h_addr_list[i]; i++) {
882 if (memcmp(hp->h_addr_list[i], (char *) & addr, sizeof(addr)) == 0)
887 * The host name does not map to the original host address. Perhaps
888 * someone has compromised a name server. More likely someone botched
889 * it, but that could be dangerous, too.
892 DEBUG(0,("host name/address mismatch: %s != %s\n",
893 inet_ntoa(addr), hp->h_name));
897 /*******************************************************************
898 Return the DNS name of the remote end of a socket.
899 ******************************************************************/
901 char *get_peer_name(int fd, BOOL force_lookup)
903 static pstring name_buf;
905 static fstring addr_buf;
910 /* reverse lookups can be *very* expensive, and in many
911 situations won't work because many networks don't link dhcp
912 with dns. To avoid the delay we avoid the lookup if
914 if (!lp_hostname_lookups() && (force_lookup == False)) {
915 return get_peer_addr(fd);
918 p = get_peer_addr(fd);
920 /* it might be the same as the last one - save some DNS work */
921 if (strcmp(p, addr_buf) == 0)
924 pstrcpy(name_buf,"UNKNOWN");
928 fstrcpy(addr_buf, p);
930 addr = *interpret_addr2(p);
932 /* Look up the remote host name. */
933 if ((hp = gethostbyaddr((char *)&addr.s_addr, sizeof(addr.s_addr), AF_INET)) == 0) {
934 DEBUG(1,("Gethostbyaddr failed for %s\n",p));
935 pstrcpy(name_buf, p);
937 pstrcpy(name_buf,(char *)hp->h_name);
938 if (!matchname(name_buf, addr)) {
939 DEBUG(0,("Matchname failed on %s %s\n",name_buf,p));
940 pstrcpy(name_buf,"UNKNOWN");
944 /* can't pass the same source and dest strings in when you
945 use --enable-developer or the clobber_region() call will
948 pstrcpy( tmp_name, name_buf );
949 alpha_strcpy(name_buf, tmp_name, "_-.", sizeof(name_buf));
950 if (strstr(name_buf,"..")) {
951 pstrcpy(name_buf, "UNKNOWN");
957 /*******************************************************************
958 Return the IP addr of the remote end of a socket as a string.
959 ******************************************************************/
961 char *get_peer_addr(int fd)
964 struct sockaddr_in *sockin = (struct sockaddr_in *) (&sa);
965 int length = sizeof(sa);
966 static fstring addr_buf;
968 fstrcpy(addr_buf,"0.0.0.0");
974 if (getpeername(fd, &sa, &length) < 0) {
975 DEBUG(0,("getpeername failed. Error was %s\n", strerror(errno) ));
979 fstrcpy(addr_buf,(char *)inet_ntoa(sockin->sin_addr));
984 /*******************************************************************
985 Create protected unix domain socket.
987 Some unixes cannot set permissions on a ux-dom-sock, so we
988 have to make sure that the directory contains the protection
990 ******************************************************************/
992 int create_pipe_sock(const char *socket_dir,
993 const char *socket_name,
996 #ifdef HAVE_UNIXSOCKET
997 struct sockaddr_un sunaddr;
1003 old_umask = umask(0);
1005 /* Create the socket directory or reuse the existing one */
1007 if (lstat(socket_dir, &st) == -1) {
1008 if (errno == ENOENT) {
1009 /* Create directory */
1010 if (mkdir(socket_dir, dir_perms) == -1) {
1011 DEBUG(0, ("error creating socket directory "
1012 "%s: %s\n", socket_dir,
1017 DEBUG(0, ("lstat failed on socket directory %s: %s\n",
1018 socket_dir, strerror(errno)));
1022 /* Check ownership and permission on existing directory */
1023 if (!S_ISDIR(st.st_mode)) {
1024 DEBUG(0, ("socket directory %s isn't a directory\n",
1028 if ((st.st_uid != sec_initial_uid()) ||
1029 ((st.st_mode & 0777) != dir_perms)) {
1030 DEBUG(0, ("invalid permissions on socket directory "
1031 "%s\n", socket_dir));
1036 /* Create the socket file */
1038 sock = socket(AF_UNIX, SOCK_STREAM, 0);
1045 pstr_sprintf(path, "%s/%s", socket_dir, socket_name);
1048 memset(&sunaddr, 0, sizeof(sunaddr));
1049 sunaddr.sun_family = AF_UNIX;
1050 safe_strcpy(sunaddr.sun_path, path, sizeof(sunaddr.sun_path)-1);
1052 if (bind(sock, (struct sockaddr *)&sunaddr, sizeof(sunaddr)) == -1) {
1053 DEBUG(0, ("bind failed on pipe socket %s: %s\n", path,
1058 if (listen(sock, 5) == -1) {
1059 DEBUG(0, ("listen failed on pipe socket %s: %s\n", path,
1075 DEBUG(0, ("create_pipe_sock: No Unix sockets on this system\n"));
1077 #endif /* HAVE_UNIXSOCKET */