2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Jeremy Allison 2001-2002
6 Copyright (C) Simo Sorce 2001
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
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 2 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, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
27 #ifdef WITH_NISPLUS_HOME
28 #ifdef BROKEN_NISPLUS_INCLUDE_FILES
30 * The following lines are needed due to buggy include files
31 * in Solaris 2.6 which define GROUP in both /usr/include/sys/acl.h and
32 * also in /usr/include/rpcsvc/nis.h. The definitions conflict. JRA.
33 * Also GROUP_OBJ is defined as 0x4 in /usr/include/sys/acl.h and as
34 * an enum in /usr/include/rpcsvc/nis.h.
41 #if defined(GROUP_OBJ)
45 #endif /* BROKEN_NISPLUS_INCLUDE_FILES */
47 #include <rpcsvc/nis.h>
49 #endif /* WITH_NISPLUS_HOME */
50 #endif /* HAVE_NETGROUP && WITH_AUTOMOUNT */
52 enum protocol_types Protocol = PROTOCOL_COREPLUS;
54 /* a default finfo structure to ensure all fields are sensible */
55 file_info def_finfo = {-1,0,0,0,0,0,0,"",""};
57 /* this is used by the chaining code */
62 static enum remote_arch_types ra_type = RA_UNKNOWN;
63 pstring user_socket_options=DEFAULT_SOCKET_OPTIONS;
65 /***********************************************************************
66 Definitions for all names.
67 ***********************************************************************/
69 static char *smb_myname;
70 static char *smb_myworkgroup;
71 static char *smb_scope;
72 static int smb_num_netbios_names;
73 static char **smb_my_netbios_names;
75 /***********************************************************************
76 Allocate and set myname. Ensure upper case.
77 ***********************************************************************/
79 BOOL set_global_myname(const char *myname)
81 SAFE_FREE(smb_myname);
82 smb_myname = strdup(myname);
85 strupper_m(smb_myname);
89 const char *global_myname(void)
94 /***********************************************************************
95 Allocate and set myworkgroup. Ensure upper case.
96 ***********************************************************************/
98 BOOL set_global_myworkgroup(const char *myworkgroup)
100 SAFE_FREE(smb_myworkgroup);
101 smb_myworkgroup = strdup(myworkgroup);
102 if (!smb_myworkgroup)
104 strupper_m(smb_myworkgroup);
108 const char *lp_workgroup(void)
110 return smb_myworkgroup;
113 /***********************************************************************
114 Allocate and set scope. Ensure upper case.
115 ***********************************************************************/
117 BOOL set_global_scope(const char *scope)
119 SAFE_FREE(smb_scope);
120 smb_scope = strdup(scope);
123 strupper_m(smb_scope);
127 /*********************************************************************
128 Ensure scope is never null string.
129 *********************************************************************/
131 const char *global_scope(void)
134 set_global_scope("");
138 static void free_netbios_names_array(void)
142 for (i = 0; i < smb_num_netbios_names; i++)
143 SAFE_FREE(smb_my_netbios_names[i]);
145 SAFE_FREE(smb_my_netbios_names);
146 smb_num_netbios_names = 0;
149 static BOOL allocate_my_netbios_names_array(size_t number)
151 free_netbios_names_array();
153 smb_num_netbios_names = number + 1;
154 smb_my_netbios_names = (char **)malloc( sizeof(char *) * smb_num_netbios_names );
156 if (!smb_my_netbios_names)
159 memset(smb_my_netbios_names, '\0', sizeof(char *) * smb_num_netbios_names);
163 static BOOL set_my_netbios_names(const char *name, int i)
165 SAFE_FREE(smb_my_netbios_names[i]);
167 smb_my_netbios_names[i] = strdup(name);
168 if (!smb_my_netbios_names[i])
170 strupper_m(smb_my_netbios_names[i]);
174 const char *my_netbios_names(int i)
176 return smb_my_netbios_names[i];
179 BOOL set_netbios_aliases(const char **str_array)
183 /* Work out the max number of netbios aliases that we have */
184 for( namecount=0; str_array && (str_array[namecount] != NULL); namecount++ )
187 if ( global_myname() && *global_myname())
190 /* Allocate space for the netbios aliases */
191 if (!allocate_my_netbios_names_array(namecount))
194 /* Use the global_myname string first */
196 if ( global_myname() && *global_myname()) {
197 set_my_netbios_names( global_myname(), namecount );
203 for ( i = 0; str_array[i] != NULL; i++) {
205 BOOL duplicate = False;
207 /* Look for duplicates */
208 for( n=0; n<namecount; n++ ) {
209 if( strequal( str_array[i], my_netbios_names(n) ) ) {
215 if (!set_my_netbios_names(str_array[i], namecount))
224 /****************************************************************************
225 Common name initialization code.
226 ****************************************************************************/
228 BOOL init_names(void)
230 extern fstring local_machine;
234 if (global_myname() == NULL || *global_myname() == '\0') {
235 if (!set_global_myname(myhostname())) {
236 DEBUG( 0, ( "init_structs: malloc fail.\n" ) );
241 if (!set_netbios_aliases(lp_netbios_aliases())) {
242 DEBUG( 0, ( "init_structs: malloc fail.\n" ) );
246 fstrcpy( local_machine, global_myname() );
247 trim_char( local_machine, ' ', ' ' );
248 p = strchr( local_machine, ' ' );
251 strlower_m( local_machine );
253 DEBUG( 5, ("Netbios name list:-\n") );
254 for( n=0; my_netbios_names(n); n++ )
255 DEBUGADD( 5, ( "my_netbios_names[%d]=\"%s\"\n", n, my_netbios_names(n) ) );
260 /**************************************************************************n
261 Find a suitable temporary directory. The result should be copied immediately
262 as it may be overwritten by a subsequent call.
263 ****************************************************************************/
265 const char *tmpdir(void)
268 if ((p = getenv("TMPDIR")))
273 /****************************************************************************
274 Determine whether we are in the specified group.
275 ****************************************************************************/
277 BOOL in_group(gid_t group, gid_t current_gid, int ngroups, const gid_t *groups)
281 if (group == current_gid)
284 for (i=0;i<ngroups;i++)
285 if (group == groups[i])
291 /****************************************************************************
292 Add a gid to an array of gids if it's not already there.
293 ****************************************************************************/
295 void add_gid_to_array_unique(gid_t gid, gid_t **gids, int *num)
299 for (i=0; i<*num; i++) {
300 if ((*gids)[i] == gid)
304 *gids = Realloc(*gids, (*num+1) * sizeof(gid_t));
313 /****************************************************************************
314 Like atoi but gets the value up to the separator character.
315 ****************************************************************************/
317 static const char *Atoic(const char *p, int *n, const char *c)
319 if (!isdigit((int)*p)) {
320 DEBUG(5, ("Atoic: malformed number\n"));
326 while ((*p) && isdigit((int)*p))
329 if (strchr_m(c, *p) == NULL) {
330 DEBUG(5, ("Atoic: no separator characters (%s) not found\n", c));
337 /*************************************************************************
338 Reads a list of numbers.
339 *************************************************************************/
341 const char *get_numlist(const char *p, uint32 **num, int *count)
345 if (num == NULL || count == NULL)
351 while ((p = Atoic(p, &val, ":,")) != NULL && (*p) != ':') {
354 tn = Realloc((*num), ((*count)+1) * sizeof(uint32));
360 (*num)[(*count)] = val;
368 /*******************************************************************
369 Check if a file exists - call vfs_file_exist for samba files.
370 ********************************************************************/
372 BOOL file_exist(const char *fname,SMB_STRUCT_STAT *sbuf)
378 if (sys_stat(fname,sbuf) != 0)
381 return((S_ISREG(sbuf->st_mode)) || (S_ISFIFO(sbuf->st_mode)));
384 /*******************************************************************
385 Check a files mod time.
386 ********************************************************************/
388 time_t file_modtime(const char *fname)
392 if (sys_stat(fname,&st) != 0)
398 /*******************************************************************
399 Check if a directory exists.
400 ********************************************************************/
402 BOOL directory_exist(char *dname,SMB_STRUCT_STAT *st)
410 if (sys_stat(dname,st) != 0)
413 ret = S_ISDIR(st->st_mode);
419 /*******************************************************************
420 Returns the size in bytes of the named file.
421 ********************************************************************/
423 SMB_OFF_T get_file_size(char *file_name)
427 if(sys_stat(file_name,&buf) != 0)
428 return (SMB_OFF_T)-1;
432 /*******************************************************************
433 Return a string representing an attribute for a file.
434 ********************************************************************/
436 char *attrib_string(uint16 mode)
438 static fstring attrstr;
442 if (mode & aVOLID) fstrcat(attrstr,"V");
443 if (mode & aDIR) fstrcat(attrstr,"D");
444 if (mode & aARCH) fstrcat(attrstr,"A");
445 if (mode & aHIDDEN) fstrcat(attrstr,"H");
446 if (mode & aSYSTEM) fstrcat(attrstr,"S");
447 if (mode & aRONLY) fstrcat(attrstr,"R");
452 /*******************************************************************
453 Show a smb message structure.
454 ********************************************************************/
456 void show_msg(char *buf)
464 DEBUG(5,("size=%d\nsmb_com=0x%x\nsmb_rcls=%d\nsmb_reh=%d\nsmb_err=%d\nsmb_flg=%d\nsmb_flg2=%d\n",
466 (int)CVAL(buf,smb_com),
467 (int)CVAL(buf,smb_rcls),
468 (int)CVAL(buf,smb_reh),
469 (int)SVAL(buf,smb_err),
470 (int)CVAL(buf,smb_flg),
471 (int)SVAL(buf,smb_flg2)));
472 DEBUGADD(5,("smb_tid=%d\nsmb_pid=%d\nsmb_uid=%d\nsmb_mid=%d\n",
473 (int)SVAL(buf,smb_tid),
474 (int)SVAL(buf,smb_pid),
475 (int)SVAL(buf,smb_uid),
476 (int)SVAL(buf,smb_mid)));
477 DEBUGADD(5,("smt_wct=%d\n",(int)CVAL(buf,smb_wct)));
479 for (i=0;i<(int)CVAL(buf,smb_wct);i++)
480 DEBUGADD(5,("smb_vwv[%2d]=%5d (0x%X)\n",i,
481 SVAL(buf,smb_vwv+2*i),SVAL(buf,smb_vwv+2*i)));
483 bcc = (int)SVAL(buf,smb_vwv+2*(CVAL(buf,smb_wct)));
485 DEBUGADD(5,("smb_bcc=%d\n",bcc));
493 dump_data(10, smb_buf(buf), bcc);
496 /*******************************************************************
497 Set the length and marker of an smb packet.
498 ********************************************************************/
500 void smb_setlen(char *buf,int len)
502 _smb_setlen(buf,len);
510 /*******************************************************************
511 Setup the word count and byte count for a smb message.
512 ********************************************************************/
514 int set_message(char *buf,int num_words,int num_bytes,BOOL zero)
517 memset(buf + smb_size,'\0',num_words*2 + num_bytes);
518 SCVAL(buf,smb_wct,num_words);
519 SSVAL(buf,smb_vwv + num_words*SIZEOFWORD,num_bytes);
520 smb_setlen(buf,smb_size + num_words*2 + num_bytes - 4);
521 return (smb_size + num_words*2 + num_bytes);
524 /*******************************************************************
525 Setup only the byte count for a smb message.
526 ********************************************************************/
528 int set_message_bcc(char *buf,int num_bytes)
530 int num_words = CVAL(buf,smb_wct);
531 SSVAL(buf,smb_vwv + num_words*SIZEOFWORD,num_bytes);
532 smb_setlen(buf,smb_size + num_words*2 + num_bytes - 4);
533 return (smb_size + num_words*2 + num_bytes);
536 /*******************************************************************
537 Setup only the byte count for a smb message, using the end of the
539 ********************************************************************/
541 int set_message_end(void *outbuf,void *end_ptr)
543 return set_message_bcc((char *)outbuf,PTR_DIFF(end_ptr,smb_buf((char *)outbuf)));
546 /*******************************************************************
547 Reduce a file name, removing .. elements.
548 ********************************************************************/
550 void dos_clean_name(char *s)
554 DEBUG(3,("dos_clean_name [%s]\n",s));
556 /* remove any double slashes */
557 all_string_sub(s, "\\\\", "\\", 0);
559 while ((p = strstr_m(s,"\\..\\")) != NULL) {
565 if ((p=strrchr_m(s,'\\')) != NULL)
572 trim_string(s,NULL,"\\..");
574 all_string_sub(s, "\\.\\", "\\", 0);
577 /*******************************************************************
578 Reduce a file name, removing .. elements.
579 ********************************************************************/
581 void unix_clean_name(char *s)
585 DEBUG(3,("unix_clean_name [%s]\n",s));
587 /* remove any double slashes */
588 all_string_sub(s, "//","/", 0);
590 /* Remove leading ./ characters */
591 if(strncmp(s, "./", 2) == 0) {
592 trim_string(s, "./", NULL);
597 while ((p = strstr_m(s,"/../")) != NULL) {
603 if ((p=strrchr_m(s,'/')) != NULL)
610 trim_string(s,NULL,"/..");
613 /****************************************************************************
615 ****************************************************************************/
617 void make_dir_struct(char *buf, const char *mask, const char *fname,SMB_OFF_T size,int mode,time_t date, BOOL case_sensitive)
624 if ((mode & aDIR) != 0)
627 memset(buf+1,' ',11);
628 if ((p = strchr_m(mask2,'.')) != NULL) {
630 push_ascii(buf+1,mask2,8, 0);
631 push_ascii(buf+9,p+1,3, 0);
634 push_ascii(buf+1,mask2,11, 0);
636 memset(buf+21,'\0',DIR_STRUCT_SIZE-21);
638 put_dos_date(buf,22,date);
639 SSVAL(buf,26,size & 0xFFFF);
640 SSVAL(buf,28,(size >> 16)&0xFFFF);
641 push_ascii(buf+30,fname,12, case_sensitive ? 0 : STR_UPPER);
642 DEBUG(8,("put name [%s] from [%s] into dir struct\n",buf+30, fname));
645 /*******************************************************************
646 Close the low 3 fd's and open dev/null in their place.
647 ********************************************************************/
649 void close_low_fds(BOOL stderr_too)
661 /* try and use up these file descriptors, so silly
662 library routines writing to stdout etc won't cause havoc */
664 if (i == 2 && !stderr_too)
667 fd = sys_open("/dev/null",O_RDWR,0);
669 fd = sys_open("/dev/null",O_WRONLY,0);
671 DEBUG(0,("Can't open /dev/null\n"));
675 DEBUG(0,("Didn't get file descriptor %d\n",i));
682 /****************************************************************************
683 Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
687 ****************************************************************************/
689 int set_blocking(int fd, BOOL set)
693 #define FLAG_TO_SET O_NONBLOCK
696 #define FLAG_TO_SET O_NDELAY
698 #define FLAG_TO_SET FNDELAY
702 if((val = sys_fcntl_long(fd, F_GETFL, 0)) == -1)
704 if(set) /* Turn blocking on - ie. clear nonblock flag */
708 return sys_fcntl_long( fd, F_SETFL, val);
712 /****************************************************************************
713 Transfer some data between two fd's.
714 ****************************************************************************/
716 #ifndef TRANSFER_BUF_SIZE
717 #define TRANSFER_BUF_SIZE 65536
720 ssize_t transfer_file_internal(int infd, int outfd, size_t n, ssize_t (*read_fn)(int, void *, size_t),
721 ssize_t (*write_fn)(int, const void *, size_t))
727 size_t num_to_read_thistime;
728 size_t num_written = 0;
730 if ((buf = malloc(TRANSFER_BUF_SIZE)) == NULL)
734 num_to_read_thistime = MIN((n - total), TRANSFER_BUF_SIZE);
736 read_ret = (*read_fn)(infd, buf, num_to_read_thistime);
737 if (read_ret == -1) {
738 DEBUG(0,("transfer_file_internal: read failure. Error = %s\n", strerror(errno) ));
747 while (num_written < read_ret) {
748 write_ret = (*write_fn)(outfd,buf + num_written, read_ret - num_written);
750 if (write_ret == -1) {
751 DEBUG(0,("transfer_file_internal: write failure. Error = %s\n", strerror(errno) ));
756 return (ssize_t)total;
758 num_written += (size_t)write_ret;
761 total += (size_t)read_ret;
765 return (ssize_t)total;
768 SMB_OFF_T transfer_file(int infd,int outfd,SMB_OFF_T n)
770 return (SMB_OFF_T)transfer_file_internal(infd, outfd, (size_t)n, sys_read, sys_write);
773 /*******************************************************************
774 Sleep for a specified number of milliseconds.
775 ********************************************************************/
777 void smb_msleep(unsigned int t)
779 unsigned int tdiff=0;
780 struct timeval tval,t1,t2;
787 tval.tv_sec = (t-tdiff)/1000;
788 tval.tv_usec = 1000*((t-tdiff)%1000);
790 /* Never wait for more than 1 sec. */
791 if (tval.tv_sec > 1) {
798 sys_select_intr(0,&fds,NULL,NULL,&tval);
801 if (t2.tv_sec < t1.tv_sec) {
802 /* Someone adjusted time... */
806 tdiff = TvalDiff(&t1,&t2);
810 /****************************************************************************
811 Become a daemon, discarding the controlling terminal.
812 ****************************************************************************/
814 void become_daemon(BOOL Fork)
822 /* detach from the terminal */
825 #elif defined(TIOCNOTTY)
827 int i = sys_open("/dev/tty", O_RDWR, 0);
829 ioctl(i, (int) TIOCNOTTY, (char *)0);
833 #endif /* HAVE_SETSID */
835 /* Close fd's 0,1,2. Needed if started by rsh */
836 close_low_fds(False); /* Don't close stderr, let the debug system
837 attach it to the logfile */
840 /****************************************************************************
841 Put up a yes/no prompt.
842 ****************************************************************************/
849 if (!fgets(ans,sizeof(ans)-1,stdin))
852 if (*ans == 'y' || *ans == 'Y')
858 /****************************************************************************
859 Expand a pointer to be a particular size.
860 ****************************************************************************/
862 void *Realloc(void *p,size_t size)
868 DEBUG(5,("Realloc asked for 0 bytes\n"));
873 ret = (void *)malloc(size);
875 ret = (void *)realloc(p,size);
878 DEBUG(0,("Memory allocation error: failed to expand to %d bytes\n",(int)size));
883 void *Realloc_zero(void *ptr, size_t size)
887 tptr = Realloc(ptr, size);
891 memset((char *)tptr,'\0',size);
896 /****************************************************************************
897 Free memory, checks for NULL.
898 Use directly SAFE_FREE()
899 Exists only because we need to pass a function pointer somewhere --SSS
900 ****************************************************************************/
902 void safe_free(void *p)
907 /****************************************************************************
908 Get my own name and IP.
909 ****************************************************************************/
911 BOOL get_myname(char *my_name)
917 /* get my host name */
918 if (gethostname(hostname, sizeof(hostname)) == -1) {
919 DEBUG(0,("gethostname failed\n"));
923 /* Ensure null termination. */
924 hostname[sizeof(hostname)-1] = '\0';
927 /* split off any parts after an initial . */
928 char *p = strchr_m(hostname,'.');
933 fstrcpy(my_name,hostname);
939 /****************************************************************************
940 Get my own canonical name, including domain.
941 ****************************************************************************/
943 BOOL get_mydnsfullname(fstring my_dnsname)
945 static fstring dnshostname;
949 /* get my host name */
950 if (gethostname(dnshostname, sizeof(dnshostname)) == -1) {
952 DEBUG(0,("gethostname failed\n"));
956 /* Ensure null termination. */
957 dnshostname[sizeof(dnshostname)-1] = '\0';
959 /* Ensure we get the cannonical name. */
960 if (!(hp = sys_gethostbyname(dnshostname))) {
964 fstrcpy(dnshostname, hp->h_name);
966 fstrcpy(my_dnsname, dnshostname);
970 /****************************************************************************
971 Get my own domain name.
972 ****************************************************************************/
974 BOOL get_mydnsdomname(fstring my_domname)
980 if (!get_mydnsfullname(domname)) {
983 p = strchr_m(domname, '.');
986 fstrcpy(my_domname, p);
992 /****************************************************************************
993 Interpret a protocol description string, with a default.
994 ****************************************************************************/
996 int interpret_protocol(const char *str,int def)
998 if (strequal(str,"NT1"))
999 return(PROTOCOL_NT1);
1000 if (strequal(str,"LANMAN2"))
1001 return(PROTOCOL_LANMAN2);
1002 if (strequal(str,"LANMAN1"))
1003 return(PROTOCOL_LANMAN1);
1004 if (strequal(str,"CORE"))
1005 return(PROTOCOL_CORE);
1006 if (strequal(str,"COREPLUS"))
1007 return(PROTOCOL_COREPLUS);
1008 if (strequal(str,"CORE+"))
1009 return(PROTOCOL_COREPLUS);
1011 DEBUG(0,("Unrecognised protocol level %s\n",str));
1016 /****************************************************************************
1017 Return true if a string could be a pure IP address.
1018 ****************************************************************************/
1020 BOOL is_ipaddress(const char *str)
1022 BOOL pure_address = True;
1025 for (i=0; pure_address && str[i]; i++)
1026 if (!(isdigit((int)str[i]) || str[i] == '.'))
1027 pure_address = False;
1029 /* Check that a pure number is not misinterpreted as an IP */
1030 pure_address = pure_address && (strchr_m(str, '.') != NULL);
1032 return pure_address;
1035 /****************************************************************************
1036 Interpret an internet address or name into an IP address in 4 byte form.
1037 ****************************************************************************/
1039 uint32 interpret_addr(const char *str)
1044 if (strcmp(str,"0.0.0.0") == 0)
1046 if (strcmp(str,"255.255.255.255") == 0)
1049 /* if it's in the form of an IP address then get the lib to interpret it */
1050 if (is_ipaddress(str)) {
1051 res = inet_addr(str);
1053 /* otherwise assume it's a network name of some sort and use
1054 sys_gethostbyname */
1055 if ((hp = sys_gethostbyname(str)) == 0) {
1056 DEBUG(3,("sys_gethostbyname: Unknown host. %s\n",str));
1060 if(hp->h_addr == NULL) {
1061 DEBUG(3,("sys_gethostbyname: host address is invalid for host %s\n",str));
1064 putip((char *)&res,(char *)hp->h_addr);
1067 if (res == (uint32)-1)
1073 /*******************************************************************
1074 A convenient addition to interpret_addr().
1075 ******************************************************************/
1077 struct in_addr *interpret_addr2(const char *str)
1079 static struct in_addr ret;
1080 uint32 a = interpret_addr(str);
1085 /*******************************************************************
1086 Check if an IP is the 0.0.0.0.
1087 ******************************************************************/
1089 BOOL is_zero_ip(struct in_addr ip)
1092 putip((char *)&a,(char *)&ip);
1096 /*******************************************************************
1097 Set an IP to 0.0.0.0.
1098 ******************************************************************/
1100 void zero_ip(struct in_addr *ip)
1103 static struct in_addr ipzero;
1106 ipzero = *interpret_addr2("0.0.0.0");
1113 #if (defined(HAVE_NETGROUP) && defined(WITH_AUTOMOUNT))
1114 /******************************************************************
1115 Remove any mount options such as -rsize=2048,wsize=2048 etc.
1116 Based on a fix from <Thomas.Hepper@icem.de>.
1117 *******************************************************************/
1119 static void strip_mount_options( pstring *str)
1123 while(*p && !isspace(*p))
1125 while(*p && isspace(*p))
1130 pstrcpy(tmp_str, p);
1131 pstrcpy(*str, tmp_str);
1136 /*******************************************************************
1137 Patch from jkf@soton.ac.uk
1138 Split Luke's automount_server into YP lookup and string splitter
1139 so can easily implement automount_path().
1140 As we may end up doing both, cache the last YP result.
1141 *******************************************************************/
1143 #ifdef WITH_NISPLUS_HOME
1144 char *automount_lookup( char *user_name)
1146 static fstring last_key = "";
1147 static pstring last_value = "";
1149 char *nis_map = (char *)lp_nis_home_map_name();
1151 char buffer[NIS_MAXATTRVAL + 1];
1156 if (strcmp(user_name, last_key)) {
1157 slprintf(buffer, sizeof(buffer)-1, "[key=%s],%s", user_name, nis_map);
1158 DEBUG(5, ("NIS+ querystring: %s\n", buffer));
1160 if (result = nis_list(buffer, FOLLOW_PATH|EXPAND_NAME|HARD_LOOKUP, NULL, NULL)) {
1161 if (result->status != NIS_SUCCESS) {
1162 DEBUG(3, ("NIS+ query failed: %s\n", nis_sperrno(result->status)));
1163 fstrcpy(last_key, ""); pstrcpy(last_value, "");
1165 object = result->objects.objects_val;
1166 if (object->zo_data.zo_type == ENTRY_OBJ) {
1167 entry = &object->zo_data.objdata_u.en_data;
1168 DEBUG(5, ("NIS+ entry type: %s\n", entry->en_type));
1169 DEBUG(3, ("NIS+ result: %s\n", entry->en_cols.en_cols_val[1].ec_value.ec_value_val));
1171 pstrcpy(last_value, entry->en_cols.en_cols_val[1].ec_value.ec_value_val);
1172 pstring_sub(last_value, "&", user_name);
1173 fstrcpy(last_key, user_name);
1177 nis_freeresult(result);
1180 strip_mount_options(&last_value);
1182 DEBUG(4, ("NIS+ Lookup: %s resulted in %s\n", user_name, last_value));
1185 #else /* WITH_NISPLUS_HOME */
1187 char *automount_lookup( char *user_name)
1189 static fstring last_key = "";
1190 static pstring last_value = "";
1192 int nis_error; /* returned by yp all functions */
1193 char *nis_result; /* yp_match inits this */
1194 int nis_result_len; /* and set this */
1195 char *nis_domain; /* yp_get_default_domain inits this */
1196 char *nis_map = (char *)lp_nis_home_map_name();
1198 if ((nis_error = yp_get_default_domain(&nis_domain)) != 0) {
1199 DEBUG(3, ("YP Error: %s\n", yperr_string(nis_error)));
1203 DEBUG(5, ("NIS Domain: %s\n", nis_domain));
1205 if (!strcmp(user_name, last_key)) {
1206 nis_result = last_value;
1207 nis_result_len = strlen(last_value);
1210 if ((nis_error = yp_match(nis_domain, nis_map, user_name, strlen(user_name),
1211 &nis_result, &nis_result_len)) == 0) {
1212 if (!nis_error && nis_result_len >= sizeof(pstring)) {
1213 nis_result_len = sizeof(pstring)-1;
1215 fstrcpy(last_key, user_name);
1216 strncpy(last_value, nis_result, nis_result_len);
1217 last_value[nis_result_len] = '\0';
1218 strip_mount_options(&last_value);
1220 } else if(nis_error == YPERR_KEY) {
1222 /* If Key lookup fails user home server is not in nis_map
1223 use default information for server, and home directory */
1225 DEBUG(3, ("YP Key not found: while looking up \"%s\" in map \"%s\"\n",
1226 user_name, nis_map));
1227 DEBUG(3, ("using defaults for server and home directory\n"));
1229 DEBUG(3, ("YP Error: \"%s\" while looking up \"%s\" in map \"%s\"\n",
1230 yperr_string(nis_error), user_name, nis_map));
1234 DEBUG(4, ("YP Lookup: %s resulted in %s\n", user_name, last_value));
1237 #endif /* WITH_NISPLUS_HOME */
1240 /*******************************************************************
1241 Are two IPs on the same subnet?
1242 ********************************************************************/
1244 BOOL same_net(struct in_addr ip1,struct in_addr ip2,struct in_addr mask)
1246 uint32 net1,net2,nmask;
1248 nmask = ntohl(mask.s_addr);
1249 net1 = ntohl(ip1.s_addr);
1250 net2 = ntohl(ip2.s_addr);
1252 return((net1 & nmask) == (net2 & nmask));
1256 /****************************************************************************
1257 Check if a process exists. Does this work on all unixes?
1258 ****************************************************************************/
1260 BOOL process_exists(pid_t pid)
1262 /* Doing kill with a non-positive pid causes messages to be
1263 * sent to places we don't want. */
1264 SMB_ASSERT(pid > 0);
1265 return(kill(pid,0) == 0 || errno != ESRCH);
1268 /*******************************************************************
1269 Convert a uid into a user name.
1270 ********************************************************************/
1272 const char *uidtoname(uid_t uid)
1274 static fstring name;
1275 struct passwd *pass;
1277 pass = getpwuid_alloc(uid);
1279 fstrcpy(name, pass->pw_name);
1282 slprintf(name, sizeof(name) - 1, "%ld",(long int)uid);
1288 /*******************************************************************
1289 Convert a gid into a group name.
1290 ********************************************************************/
1292 char *gidtoname(gid_t gid)
1294 static fstring name;
1297 grp = getgrgid(gid);
1299 return(grp->gr_name);
1300 slprintf(name,sizeof(name) - 1, "%d",(int)gid);
1304 /*******************************************************************
1305 Convert a user name into a uid.
1306 ********************************************************************/
1308 uid_t nametouid(const char *name)
1310 struct passwd *pass;
1314 pass = getpwnam_alloc(name);
1321 u = (uid_t)strtol(name, &p, 0);
1322 if ((p != name) && (*p == '\0'))
1328 /*******************************************************************
1329 Convert a name to a gid_t if possible. Return -1 if not a group.
1330 ********************************************************************/
1332 gid_t nametogid(const char *name)
1338 g = (gid_t)strtol(name, &p, 0);
1339 if ((p != name) && (*p == '\0'))
1342 grp = sys_getgrnam(name);
1344 return(grp->gr_gid);
1348 /*******************************************************************
1349 legacy wrapper for smb_panic2()
1350 ********************************************************************/
1351 void smb_panic( const char *why )
1353 smb_panic2( why, True );
1356 /*******************************************************************
1357 Something really nasty happened - panic !
1358 ********************************************************************/
1360 #ifdef HAVE_LIBEXC_H
1364 void smb_panic2(const char *why, BOOL decrement_pid_count )
1368 #ifdef HAVE_BACKTRACE_SYMBOLS
1369 void *backtrace_stack[BACKTRACE_STACK_SIZE];
1370 size_t backtrace_size;
1371 char **backtrace_strings;
1376 extern char *global_clobber_region_function;
1377 extern unsigned int global_clobber_region_line;
1379 if (global_clobber_region_function) {
1380 DEBUG(0,("smb_panic: clobber_region() last called from [%s(%u)]\n",
1381 global_clobber_region_function,
1382 global_clobber_region_line));
1387 /* only smbd needs to decrement the smbd counter in connections.tdb */
1388 if ( decrement_pid_count )
1389 decrement_smbd_process_count();
1391 cmd = lp_panic_action();
1393 DEBUG(0, ("smb_panic(): calling panic action [%s]\n", cmd));
1394 result = system(cmd);
1397 DEBUG(0, ("smb_panic(): fork failed in panic action: %s\n",
1400 DEBUG(0, ("smb_panic(): action returned status %d\n",
1401 WEXITSTATUS(result)));
1403 DEBUG(0,("PANIC: %s\n", why));
1405 #ifdef HAVE_BACKTRACE_SYMBOLS
1406 /* get the backtrace (stack frames) */
1407 backtrace_size = backtrace(backtrace_stack,BACKTRACE_STACK_SIZE);
1408 backtrace_strings = backtrace_symbols(backtrace_stack, backtrace_size);
1410 DEBUG(0, ("BACKTRACE: %lu stack frames:\n",
1411 (unsigned long)backtrace_size));
1413 if (backtrace_strings) {
1416 for (i = 0; i < backtrace_size; i++)
1417 DEBUGADD(0, (" #%u %s\n", i, backtrace_strings[i]));
1419 /* Leak the backtrace_strings, rather than risk what free() might do */
1424 #define NAMESIZE 32 /* Arbitrary */
1426 /* The IRIX libexc library provides an API for unwinding the stack. See
1427 * libexc(3) for details. Apparantly trace_back_stack leaks memory, but
1428 * since we are about to abort anyway, it hardly matters.
1430 * Note that if we paniced due to a SIGSEGV or SIGBUS (or similar) this
1431 * will fail with a nasty message upon failing to open the /proc entry.
1434 __uint64_t addrs[BACKTRACE_STACK_SIZE];
1435 char * names[BACKTRACE_STACK_SIZE];
1436 char namebuf[BACKTRACE_STACK_SIZE * NAMESIZE];
1443 ZERO_ARRAY(namebuf);
1445 for (i = 0; i < BACKTRACE_STACK_SIZE; i++) {
1446 names[i] = namebuf + (i * NAMESIZE);
1449 levels = trace_back_stack(0, addrs, names,
1450 BACKTRACE_STACK_SIZE, NAMESIZE);
1452 DEBUG(0, ("BACKTRACE: %d stack frames:\n", levels));
1453 for (i = 0; i < levels; i++) {
1454 DEBUGADD(0, (" #%d 0x%llx %s\n", i, addrs[i], names[i]));
1462 CatchSignal(SIGABRT,SIGNAL_CAST SIG_DFL);
1467 /*******************************************************************
1468 A readdir wrapper which just returns the file name.
1469 ********************************************************************/
1471 const char *readdirname(DIR *p)
1473 SMB_STRUCT_DIRENT *ptr;
1479 ptr = (SMB_STRUCT_DIRENT *)sys_readdir(p);
1483 dname = ptr->d_name;
1490 #ifdef HAVE_BROKEN_READDIR
1491 /* using /usr/ucb/cc is BAD */
1497 int len = NAMLEN(ptr);
1498 memcpy(buf, dname, len);
1506 /*******************************************************************
1507 Utility function used to decide if the last component
1508 of a path matches a (possibly wildcarded) entry in a namelist.
1509 ********************************************************************/
1511 BOOL is_in_path(const char *name, name_compare_entry *namelist, BOOL case_sensitive)
1513 pstring last_component;
1516 /* if we have no list it's obviously not in the path */
1517 if((namelist == NULL ) || ((namelist != NULL) && (namelist[0].name == NULL))) {
1521 DEBUG(8, ("is_in_path: %s\n", name));
1523 /* Get the last component of the unix name. */
1524 p = strrchr_m(name, '/');
1525 strncpy(last_component, p ? ++p : name, sizeof(last_component)-1);
1526 last_component[sizeof(last_component)-1] = '\0';
1528 for(; namelist->name != NULL; namelist++) {
1529 if(namelist->is_wild) {
1530 if (mask_match(last_component, namelist->name, case_sensitive)) {
1531 DEBUG(8,("is_in_path: mask match succeeded\n"));
1535 if((case_sensitive && (strcmp(last_component, namelist->name) == 0))||
1536 (!case_sensitive && (StrCaseCmp(last_component, namelist->name) == 0))) {
1537 DEBUG(8,("is_in_path: match succeeded\n"));
1542 DEBUG(8,("is_in_path: match not found\n"));
1547 /*******************************************************************
1548 Strip a '/' separated list into an array of
1549 name_compare_enties structures suitable for
1550 passing to is_in_path(). We do this for
1551 speed so we can pre-parse all the names in the list
1552 and don't do it for each call to is_in_path().
1553 namelist is modified here and is assumed to be
1554 a copy owned by the caller.
1555 We also check if the entry contains a wildcard to
1556 remove a potentially expensive call to mask_match
1558 ********************************************************************/
1560 void set_namearray(name_compare_entry **ppname_array, char *namelist)
1563 char *nameptr = namelist;
1564 int num_entries = 0;
1567 (*ppname_array) = NULL;
1569 if((nameptr == NULL ) || ((nameptr != NULL) && (*nameptr == '\0')))
1572 /* We need to make two passes over the string. The
1573 first to count the number of elements, the second
1578 if ( *nameptr == '/' ) {
1579 /* cope with multiple (useless) /s) */
1583 /* find the next / */
1584 name_end = strchr_m(nameptr, '/');
1586 /* oops - the last check for a / didn't find one. */
1587 if (name_end == NULL)
1590 /* next segment please */
1591 nameptr = name_end + 1;
1595 if(num_entries == 0)
1598 if(( (*ppname_array) = (name_compare_entry *)malloc(
1599 (num_entries + 1) * sizeof(name_compare_entry))) == NULL) {
1600 DEBUG(0,("set_namearray: malloc fail\n"));
1604 /* Now copy out the names */
1608 if ( *nameptr == '/' ) {
1609 /* cope with multiple (useless) /s) */
1613 /* find the next / */
1614 if ((name_end = strchr_m(nameptr, '/')) != NULL)
1617 /* oops - the last check for a / didn't find one. */
1618 if(name_end == NULL)
1621 (*ppname_array)[i].is_wild = ms_has_wild(nameptr);
1622 if(((*ppname_array)[i].name = strdup(nameptr)) == NULL) {
1623 DEBUG(0,("set_namearray: malloc fail (1)\n"));
1627 /* next segment please */
1628 nameptr = name_end + 1;
1632 (*ppname_array)[i].name = NULL;
1637 /****************************************************************************
1638 Routine to free a namearray.
1639 ****************************************************************************/
1641 void free_namearray(name_compare_entry *name_array)
1645 if(name_array == NULL)
1648 for(i=0; name_array[i].name!=NULL; i++)
1649 SAFE_FREE(name_array[i].name);
1650 SAFE_FREE(name_array);
1653 /****************************************************************************
1654 Simple routine to do POSIX file locking. Cruft in NFS and 64->32 bit mapping
1655 is dealt with in posix.c
1656 ****************************************************************************/
1658 BOOL fcntl_lock(int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
1660 SMB_STRUCT_FLOCK lock;
1663 DEBUG(8,("fcntl_lock %d %d %.0f %.0f %d\n",fd,op,(double)offset,(double)count,type));
1666 lock.l_whence = SEEK_SET;
1667 lock.l_start = offset;
1671 ret = sys_fcntl_ptr(fd,op,&lock);
1673 if (ret == -1 && errno != 0)
1674 DEBUG(3,("fcntl_lock: fcntl lock gave errno %d (%s)\n",errno,strerror(errno)));
1677 if (op == SMB_F_GETLK) {
1679 (lock.l_type != F_UNLCK) &&
1680 (lock.l_pid != 0) &&
1681 (lock.l_pid != sys_getpid())) {
1682 DEBUG(3,("fcntl_lock: fd %d is locked by pid %d\n",fd,(int)lock.l_pid));
1686 /* it must be not locked or locked by me */
1690 /* a lock set or unset */
1692 DEBUG(3,("fcntl_lock: lock failed at offset %.0f count %.0f op %d type %d (%s)\n",
1693 (double)offset,(double)count,op,type,strerror(errno)));
1697 /* everything went OK */
1698 DEBUG(8,("fcntl_lock: Lock call successful\n"));
1703 /*******************************************************************
1704 Is the name specified one of my netbios names.
1705 Returns true if it is equal, false otherwise.
1706 ********************************************************************/
1708 BOOL is_myname(const char *s)
1713 for (n=0; my_netbios_names(n); n++) {
1714 if (strequal(my_netbios_names(n), s)) {
1719 DEBUG(8, ("is_myname(\"%s\") returns %d\n", s, ret));
1723 BOOL is_myname_or_ipaddr(const char *s)
1725 fstring name, dnsname;
1731 /* santize the string from '\\name' */
1735 servername = strrchr_m( name, '\\' );
1741 /* optimize for the common case */
1743 if (strequal(servername, global_myname()))
1746 /* check for an alias */
1748 if (is_myname(servername))
1751 /* check for loopback */
1753 if (strequal(servername, "localhost"))
1756 /* maybe it's my dns name */
1758 if ( get_mydnsfullname( dnsname ) )
1759 if ( strequal( servername, dnsname ) )
1762 /* handle possible CNAME records */
1764 if ( !is_ipaddress( servername ) ) {
1765 /* use DNS to resolve the name, but only the first address */
1768 if (((hp = sys_gethostbyname(name)) != NULL) && (hp->h_addr != NULL)) {
1769 struct in_addr return_ip;
1770 putip( (char*)&return_ip, (char*)hp->h_addr );
1771 fstrcpy( name, inet_ntoa( return_ip ) );
1776 /* maybe its an IP address? */
1777 if (is_ipaddress(servername)) {
1778 struct iface_struct nics[MAX_INTERFACES];
1782 ip = interpret_addr(servername);
1783 if ((ip==0) || (ip==0xffffffff))
1786 n = get_interfaces(nics, MAX_INTERFACES);
1787 for (i=0; i<n; i++) {
1788 if (ip == nics[i].ip.s_addr)
1797 /*******************************************************************
1798 Is the name specified our workgroup/domain.
1799 Returns true if it is equal, false otherwise.
1800 ********************************************************************/
1802 BOOL is_myworkgroup(const char *s)
1806 if (strequal(s, lp_workgroup())) {
1810 DEBUG(8, ("is_myworkgroup(\"%s\") returns %d\n", s, ret));
1814 /*******************************************************************
1815 we distinguish between 2K and XP by the "Native Lan Manager" string
1816 WinXP => "Windows 2002 5.1"
1817 Win2k => "Windows 2000 5.0"
1818 NT4 => "Windows NT 4.0"
1819 Win9x => "Windows 4.0"
1820 Windows 2003 doesn't set the native lan manager string but
1821 they do set the domain to "Windows 2003 5.2" (probably a bug).
1822 ********************************************************************/
1824 void ra_lanman_string( const char *native_lanman )
1826 if ( strcmp( native_lanman, "Windows 2002 5.1" ) == 0 )
1827 set_remote_arch( RA_WINXP );
1828 else if ( strcmp( native_lanman, "Windows Server 2003 5.2" ) == 0 )
1829 set_remote_arch( RA_WIN2K3 );
1832 /*******************************************************************
1833 Set the horrid remote_arch string based on an enum.
1834 ********************************************************************/
1836 void set_remote_arch(enum remote_arch_types type)
1838 extern fstring remote_arch;
1842 fstrcpy(remote_arch, "WfWg");
1845 fstrcpy(remote_arch, "OS2");
1848 fstrcpy(remote_arch, "Win95");
1851 fstrcpy(remote_arch, "WinNT");
1854 fstrcpy(remote_arch, "Win2K");
1857 fstrcpy(remote_arch, "WinXP");
1860 fstrcpy(remote_arch, "Win2K3");
1863 fstrcpy(remote_arch,"Samba");
1866 fstrcpy(remote_arch,"CIFSFS");
1869 ra_type = RA_UNKNOWN;
1870 fstrcpy(remote_arch, "UNKNOWN");
1874 DEBUG(10,("set_remote_arch: Client arch is \'%s\'\n", remote_arch));
1877 /*******************************************************************
1878 Get the remote_arch type.
1879 ********************************************************************/
1881 enum remote_arch_types get_remote_arch(void)
1886 void print_asc(int level, const unsigned char *buf,int len)
1890 DEBUG(level,("%c", isprint(buf[i])?buf[i]:'.'));
1893 void dump_data(int level, const char *buf1,int len)
1895 const unsigned char *buf = (const unsigned char *)buf1;
1899 if (!DEBUGLVL(level)) return;
1901 DEBUGADD(level,("[%03X] ",i));
1903 DEBUGADD(level,("%02X ",(int)buf[i]));
1905 if (i%8 == 0) DEBUGADD(level,(" "));
1907 print_asc(level,&buf[i-16],8); DEBUGADD(level,(" "));
1908 print_asc(level,&buf[i-8],8); DEBUGADD(level,("\n"));
1909 if (i<len) DEBUGADD(level,("[%03X] ",i));
1915 DEBUGADD(level,(" "));
1916 if (n>8) DEBUGADD(level,(" "));
1917 while (n--) DEBUGADD(level,(" "));
1919 print_asc(level,&buf[i-(i%16)],n); DEBUGADD(level,( " " ));
1921 if (n>0) print_asc(level,&buf[i-n],n);
1922 DEBUGADD(level,("\n"));
1926 void dump_data_pw(const char *msg, const uchar * data, size_t len)
1928 #ifdef DEBUG_PASSWORD
1929 DEBUG(11, ("%s", msg));
1930 if (data != NULL && len > 0)
1932 dump_data(11, data, len);
1937 char *tab_depth(int depth)
1939 static pstring spaces;
1940 memset(spaces, ' ', depth * 4);
1941 spaces[depth * 4] = 0;
1945 /*****************************************************************************
1946 Provide a checksum on a string
1948 Input: s - the null-terminated character string for which the checksum
1951 Output: The checksum value calculated for s.
1952 *****************************************************************************/
1954 int str_checksum(const char *s)
1962 res ^= (c << (i % 15)) ^ (c >> (15-(i%15)));
1969 /*****************************************************************
1970 Zero a memory area then free it. Used to catch bugs faster.
1971 *****************************************************************/
1973 void zero_free(void *p, size_t size)
1979 /*****************************************************************
1980 Set our open file limit to a requested max and return the limit.
1981 *****************************************************************/
1983 int set_maxfiles(int requested_max)
1985 #if (defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE))
1987 int saved_current_limit;
1989 if(getrlimit(RLIMIT_NOFILE, &rlp)) {
1990 DEBUG(0,("set_maxfiles: getrlimit (1) for RLIMIT_NOFILE failed with error %s\n",
1993 return requested_max;
1997 * Set the fd limit to be real_max_open_files + MAX_OPEN_FUDGEFACTOR to
1998 * account for the extra fd we need
1999 * as well as the log files and standard
2000 * handles etc. Save the limit we want to set in case
2001 * we are running on an OS that doesn't support this limit (AIX)
2002 * which always returns RLIM_INFINITY for rlp.rlim_max.
2005 /* Try raising the hard (max) limit to the requested amount. */
2007 #if defined(RLIM_INFINITY)
2008 if (rlp.rlim_max != RLIM_INFINITY) {
2009 int orig_max = rlp.rlim_max;
2011 if ( rlp.rlim_max < requested_max )
2012 rlp.rlim_max = requested_max;
2014 /* This failing is not an error - many systems (Linux) don't
2015 support our default request of 10,000 open files. JRA. */
2017 if(setrlimit(RLIMIT_NOFILE, &rlp)) {
2018 DEBUG(3,("set_maxfiles: setrlimit for RLIMIT_NOFILE for %d max files failed with error %s\n",
2019 (int)rlp.rlim_max, strerror(errno) ));
2021 /* Set failed - restore original value from get. */
2022 rlp.rlim_max = orig_max;
2027 /* Now try setting the soft (current) limit. */
2029 saved_current_limit = rlp.rlim_cur = MIN(requested_max,rlp.rlim_max);
2031 if(setrlimit(RLIMIT_NOFILE, &rlp)) {
2032 DEBUG(0,("set_maxfiles: setrlimit for RLIMIT_NOFILE for %d files failed with error %s\n",
2033 (int)rlp.rlim_cur, strerror(errno) ));
2035 return saved_current_limit;
2038 if(getrlimit(RLIMIT_NOFILE, &rlp)) {
2039 DEBUG(0,("set_maxfiles: getrlimit (2) for RLIMIT_NOFILE failed with error %s\n",
2042 return saved_current_limit;
2045 #if defined(RLIM_INFINITY)
2046 if(rlp.rlim_cur == RLIM_INFINITY)
2047 return saved_current_limit;
2050 if((int)rlp.rlim_cur > saved_current_limit)
2051 return saved_current_limit;
2053 return rlp.rlim_cur;
2054 #else /* !defined(HAVE_GETRLIMIT) || !defined(RLIMIT_NOFILE) */
2056 * No way to know - just guess...
2058 return requested_max;
2062 /*****************************************************************
2063 Splits out the start of the key (HKLM or HKU) and the rest of the key.
2064 *****************************************************************/
2066 BOOL reg_split_key(const char *full_keyname, uint32 *reg_type, char *key_name)
2070 if (!next_token(&full_keyname, tmp, "\\", sizeof(tmp)))
2075 DEBUG(10, ("reg_split_key: hive %s\n", tmp));
2077 if (strequal(tmp, "HKLM") || strequal(tmp, "HKEY_LOCAL_MACHINE"))
2078 (*reg_type) = HKEY_LOCAL_MACHINE;
2079 else if (strequal(tmp, "HKU") || strequal(tmp, "HKEY_USERS"))
2080 (*reg_type) = HKEY_USERS;
2082 DEBUG(10,("reg_split_key: unrecognised hive key %s\n", tmp));
2086 if (next_token(&full_keyname, tmp, "\n\r", sizeof(tmp)))
2087 fstrcpy(key_name, tmp);
2091 DEBUG(10, ("reg_split_key: name %s\n", key_name));
2096 /*****************************************************************
2097 Possibly replace mkstemp if it is broken.
2098 *****************************************************************/
2100 int smb_mkstemp(char *template)
2102 #if HAVE_SECURE_MKSTEMP
2103 return mkstemp(template);
2105 /* have a reasonable go at emulating it. Hope that
2106 the system mktemp() isn't completly hopeless */
2107 char *p = mktemp(template);
2110 return open(p, O_CREAT|O_EXCL|O_RDWR, 0600);
2114 /*****************************************************************
2115 malloc that aborts with smb_panic on fail or zero size.
2116 *****************************************************************/
2118 void *smb_xmalloc(size_t size)
2122 smb_panic("smb_xmalloc: called with zero size.\n");
2123 if ((p = malloc(size)) == NULL) {
2124 DEBUG(0, ("smb_xmalloc() failed to allocate %lu bytes\n", (unsigned long)size));
2125 smb_panic("smb_xmalloc: malloc fail.\n");
2131 Memdup with smb_panic on fail.
2134 void *smb_xmemdup(const void *p, size_t size)
2137 p2 = smb_xmalloc(size);
2138 memcpy(p2, p, size);
2143 strdup that aborts on malloc fail.
2146 char *smb_xstrdup(const char *s)
2148 char *s1 = strdup(s);
2150 smb_panic("smb_xstrdup: malloc fail\n");
2155 strndup that aborts on malloc fail.
2158 char *smb_xstrndup(const char *s, size_t n)
2160 char *s1 = strndup(s, n);
2162 smb_panic("smb_xstrndup: malloc fail\n");
2167 vasprintf that aborts on malloc fail
2170 int smb_xvasprintf(char **ptr, const char *format, va_list ap)
2177 n = vasprintf(ptr, format, ap2);
2178 if (n == -1 || ! *ptr)
2179 smb_panic("smb_xvasprintf: out of memory");
2183 /*****************************************************************
2184 Like strdup but for memory.
2185 *****************************************************************/
2187 void *memdup(const void *p, size_t size)
2195 memcpy(p2, p, size);
2199 /*****************************************************************
2200 Get local hostname and cache result.
2201 *****************************************************************/
2203 char *myhostname(void)
2211 /*****************************************************************
2212 A useful function for returning a path in the Samba lock directory.
2213 *****************************************************************/
2215 char *lock_path(const char *name)
2217 static pstring fname;
2219 pstrcpy(fname,lp_lockdir());
2220 trim_char(fname,'\0','/');
2222 if (!directory_exist(fname,NULL))
2226 pstrcat(fname,name);
2231 /*****************************************************************
2232 A useful function for returning a path in the Samba pid directory.
2233 *****************************************************************/
2235 char *pid_path(const char *name)
2237 static pstring fname;
2239 pstrcpy(fname,lp_piddir());
2240 trim_char(fname,'\0','/');
2242 if (!directory_exist(fname,NULL))
2246 pstrcat(fname,name);
2252 * @brief Returns an absolute path to a file in the Samba lib directory.
2254 * @param name File to find, relative to LIBDIR.
2256 * @retval Pointer to a static #pstring containing the full path.
2259 char *lib_path(const char *name)
2261 static pstring fname;
2262 fstr_sprintf(fname, "%s/%s", dyn_LIBDIR, name);
2267 * @brief Returns the platform specific shared library extension.
2269 * @retval Pointer to a static #fstring containing the extension.
2272 const char *shlib_ext(void)
2274 return dyn_SHLIBEXT;
2277 /*******************************************************************
2278 Given a filename - get its directory name
2279 NB: Returned in static storage. Caveats:
2280 o Not safe in thread environment.
2281 o Caller must not free.
2282 o If caller wishes to preserve, they should copy.
2283 ********************************************************************/
2285 char *parent_dirname(const char *path)
2287 static pstring dirpath;
2293 pstrcpy(dirpath, path);
2294 p = strrchr_m(dirpath, '/'); /* Find final '/', if any */
2296 pstrcpy(dirpath, "."); /* No final "/", so dir is "." */
2299 ++p; /* For root "/", leave "/" in place */
2306 /*******************************************************************
2307 Determine if a pattern contains any Microsoft wildcard characters.
2308 *******************************************************************/
2310 BOOL ms_has_wild(const char *s)
2313 while ((c = *s++)) {
2326 BOOL ms_has_wild_w(const smb_ucs2_t *s)
2329 if (!s) return False;
2330 while ((c = *s++)) {
2332 case UCS2_CHAR('*'):
2333 case UCS2_CHAR('?'):
2334 case UCS2_CHAR('<'):
2335 case UCS2_CHAR('>'):
2336 case UCS2_CHAR('"'):
2343 /*******************************************************************
2344 A wrapper that handles case sensitivity and the special handling
2346 *******************************************************************/
2348 BOOL mask_match(const char *string, char *pattern, BOOL is_case_sensitive)
2350 if (strcmp(string,"..") == 0)
2352 if (strcmp(pattern,".") == 0)
2355 return ms_fnmatch(pattern, string, Protocol, is_case_sensitive) == 0;
2358 /*******************************************************************
2359 A wrapper that handles a list of patters and calls mask_match()
2360 on each. Returns True if any of the patterns match.
2361 *******************************************************************/
2363 BOOL mask_match_list(const char *string, char **list, int listLen, BOOL is_case_sensitive)
2365 while (listLen-- > 0) {
2366 if (mask_match(string, *list++, is_case_sensitive))
2372 /*********************************************************
2373 Recursive routine that is called by unix_wild_match.
2374 *********************************************************/
2376 static BOOL unix_do_match(const char *regexp, const char *str)
2380 for( p = regexp; *p && *str; ) {
2391 * Look for a character matching
2392 * the one after the '*'.
2396 return True; /* Automatic match */
2399 while(*str && (*p != *str))
2403 * Patch from weidel@multichart.de. In the case of the regexp
2404 * '*XX*' we want to ensure there are at least 2 'X' characters
2405 * in the string after the '*' for a match to be made.
2412 * Eat all the characters that match, but count how many there were.
2415 while(*str && (*p == *str)) {
2421 * Now check that if the regexp had n identical characters that
2422 * matchcount had at least that many matches.
2425 while ( *(p+1) && (*(p+1) == *p)) {
2430 if ( matchcount <= 0 )
2434 str--; /* We've eaten the match char after the '*' */
2436 if(unix_do_match(p, str))
2458 if (!*p && str[0] == '.' && str[1] == 0)
2461 if (!*str && *p == '?') {
2467 if(!*str && (*p == '*' && p[1] == '\0'))
2473 /*******************************************************************
2474 Simple case insensitive interface to a UNIX wildcard matcher.
2475 *******************************************************************/
2477 BOOL unix_wild_match(const char *pattern, const char *string)
2482 pstrcpy(p2, pattern);
2483 pstrcpy(s2, string);
2487 /* Remove any *? and ** from the pattern as they are meaningless */
2488 for(p = p2; *p; p++)
2489 while( *p == '*' && (p[1] == '?' ||p[1] == '*'))
2490 pstrcpy( &p[1], &p[2]);
2492 if (strequal(p2,"*"))
2495 return unix_do_match(p2, s2) == 0;
2498 /**********************************************************************
2499 Converts a name to a fully qalified domain name.
2500 ***********************************************************************/
2502 void name_to_fqdn(fstring fqdn, const char *name)
2504 struct hostent *hp = sys_gethostbyname(name);
2505 if ( hp && hp->h_name && *hp->h_name ) {
2506 DEBUG(10,("name_to_fqdn: lookup for %s -> %s.\n", name, hp->h_name));
2507 fstrcpy(fqdn,hp->h_name);
2509 DEBUG(10,("name_to_fqdn: lookup for %s failed.\n", name));
2510 fstrcpy(fqdn, name);
2516 /*******************************************************************
2517 This routine is a trick to immediately catch errors when debugging
2518 with insure. A xterm with a gdb is popped up when insure catches
2519 a error. It is Linux specific.
2520 ********************************************************************/
2522 int _Insure_trap_error(int a1, int a2, int a3, int a4, int a5, int a6)
2527 /* you can get /usr/bin/backtrace from
2528 http://samba.org/ftp/unpacked/junkcode/backtrace */
2529 pstring cmd = "/usr/bin/backtrace %d";
2531 slprintf(pidstr, sizeof(pidstr)-1, "%d", sys_getpid());
2532 pstring_sub(cmd, "%d", pidstr);
2536 h = dlopen("/usr/local/parasoft/insure++lite/lib.linux2/libinsure.so", RTLD_LAZY);
2537 fn = dlsym(h, "_Insure_trap_error");
2539 if (!h || h == _Insure_trap_error) {
2540 h = dlopen("/usr/local/parasoft/lib.linux2/libinsure.so", RTLD_LAZY);
2541 fn = dlsym(h, "_Insure_trap_error");
2545 ret = fn(a1, a2, a3, a4, a5, a6);