2 * Unix SMB/Netbios implementation. Version 1.9. SMB parameters and setup
3 * Copyright (C) Andrew Tridgell 1992-1998 Modified by Jeremy Allison 1995.
5 * This program is free software; you can redistribute it and/or modify it under
6 * the terms of the GNU General Public License as published by the Free
7 * Software Foundation; either version 2 of the License, or (at your option)
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc., 675
17 * Mass Ave, Cambridge, MA 02139, USA.
24 extern int DEBUGLEVEL;
25 extern pstring samlogon_user;
26 extern BOOL sam_logon_in_ssb;
28 static char s_readbuf[1024];
29 static int pw_file_lock_depth;
31 /***************************************************************
32 Start to enumerate the smbpasswd list. Returns a void pointer
33 to ensure no modification outside this module.
34 ****************************************************************/
36 static void *startsmbfilepwent(BOOL update)
39 char *pfile = lp_smb_passwd_file();
42 DEBUG(0, ("startsmbfilepwent: No SMB password file set\n"));
45 DEBUG(10, ("startsmbfilepwent: opening file %s\n", pfile));
47 fp = sys_fopen(pfile, update ? "r+b" : "rb");
50 DEBUG(0, ("startsmbfilepwent: unable to open file %s\n", pfile));
54 /* Set a buffer to do more efficient reads */
55 setvbuf(fp, s_readbuf, _IOFBF, sizeof(s_readbuf));
57 if (!pw_file_lock(fileno(fp), (update ? F_WRLCK : F_RDLCK), 5, &pw_file_lock_depth))
59 DEBUG(0, ("startsmbfilepwent: unable to lock file %s\n", pfile));
64 /* Make sure it is only rw by the owner */
67 /* We have a lock on the file. */
71 /***************************************************************
72 End enumeration of the smbpasswd list.
73 ****************************************************************/
75 static void endsmbfilepwent(void *vp)
77 FILE *fp = (FILE *)vp;
79 pw_file_unlock(fileno(fp), &pw_file_lock_depth);
81 DEBUG(7, ("endsmbfilepwent: closed password file.\n"));
84 /*************************************************************************
85 Routine to return the next entry in the smbpasswd list.
86 *************************************************************************/
87 static struct smb_passwd *getsmbfilepwent(void *vp)
89 /* Static buffers we will return. */
90 static struct smb_passwd pw_buf;
91 static pstring user_name;
92 static unsigned char smbpwd[16];
93 static unsigned char smbntpwd[16];
94 FILE *fp = (FILE *)vp;
102 DEBUG(0,("getsmbfilepwent: Bad password file pointer.\n"));
106 pdb_init_smb(&pw_buf);
108 pw_buf.acct_ctrl = ACB_NORMAL;
111 * Scan the file, a line at a time and check if the name matches.
116 fgets(linebuf, 256, fp);
122 * Check if the string is terminated with a newline - if not
123 * then we must keep reading and discard until we get one.
125 linebuf_len = strlen(linebuf);
126 if (linebuf[linebuf_len - 1] != '\n') {
128 while (!ferror(fp) && !feof(fp)) {
134 linebuf[linebuf_len - 1] = '\0';
136 #ifdef DEBUG_PASSWORD
137 DEBUG(100, ("getsmbfilepwent: got line |%s|\n", linebuf));
139 if ((linebuf[0] == 0) && feof(fp)) {
140 DEBUG(4, ("getsmbfilepwent: end of file reached\n"));
144 * The line we have should be of the form :-
146 * username:uid:32hex bytes:[Account type]:LCT-12345678....other flags presently
151 * username:uid:32hex bytes:32hex bytes:[Account type]:LCT-12345678....ignored....
153 * if Windows NT compatible passwords are also present.
154 * [Account type] is an ascii encoding of the type of account.
155 * LCT-(8 hex digits) is the time_t value of the last change time.
158 if (linebuf[0] == '#' || linebuf[0] == '\0') {
159 DEBUG(6, ("getsmbfilepwent: skipping comment or blank line\n"));
162 p = (unsigned char *) strchr(linebuf, ':');
164 DEBUG(0, ("getsmbfilepwent: malformed password entry (no :)\n"));
168 * As 256 is shorter than a pstring we don't need to check
169 * length here - if this ever changes....
171 strncpy(user_name, linebuf, PTR_DIFF(p, linebuf));
172 user_name[PTR_DIFF(p, linebuf)] = '\0';
176 p++; /* Go past ':' */
179 DEBUG(0, ("getsmbfilepwent: uids in the smbpasswd file must not be negative.\n"));
184 DEBUG(0, ("getsmbfilepwent: malformed password entry (uid not number)\n"));
188 uidval = atoi((char *) p);
190 while (*p && isdigit(*p))
194 DEBUG(0, ("getsmbfilepwent: malformed password entry (no : after uid)\n"));
198 pw_buf.smb_name = user_name;
199 pw_buf.smb_userid = uidval;
202 * Now get the password value - this should be 32 hex digits
203 * which are the ascii representations of a 16 byte string.
204 * Get two at a time and put them into the password.
210 if (*p == '*' || *p == 'X') {
211 /* Password deliberately invalid - end here. */
212 DEBUG(10, ("getsmbfilepwent: entry invalidated for user %s\n", user_name));
213 pw_buf.smb_nt_passwd = NULL;
214 pw_buf.smb_passwd = NULL;
215 pw_buf.acct_ctrl |= ACB_DISABLED;
219 if (linebuf_len < (PTR_DIFF(p, linebuf) + 33)) {
220 DEBUG(0, ("getsmbfilepwent: malformed password entry (passwd too short)\n"));
225 DEBUG(0, ("getsmbfilepwent: malformed password entry (no terminating :)\n"));
229 if (!strncasecmp((char *) p, "NO PASSWORD", 11)) {
230 pw_buf.smb_passwd = NULL;
231 pw_buf.acct_ctrl |= ACB_PWNOTREQ;
233 if (!pdb_gethexpwd((char *)p, smbpwd)) {
234 DEBUG(0, ("getsmbfilepwent: Malformed Lanman password entry (non hex chars)\n"));
237 pw_buf.smb_passwd = smbpwd;
241 * Now check if the NT compatible password is
244 pw_buf.smb_nt_passwd = NULL;
246 p += 33; /* Move to the first character of the line after
247 the lanman password. */
248 if ((linebuf_len >= (PTR_DIFF(p, linebuf) + 33)) && (p[32] == ':')) {
249 if (*p != '*' && *p != 'X') {
250 if(pdb_gethexpwd((char *)p,smbntpwd))
251 pw_buf.smb_nt_passwd = smbntpwd;
253 p += 33; /* Move to the first character of the line after
257 DEBUG(5,("getsmbfilepwent: returning passwd entry for user %s, uid %ld\n",
262 pw_buf.acct_ctrl = pdb_decode_acct_ctrl((char*)p);
264 /* Must have some account type set. */
265 if(pw_buf.acct_ctrl == 0)
266 pw_buf.acct_ctrl = ACB_NORMAL;
268 /* Now try and get the last change time. */
273 if(*p && (StrnCaseCmp((char *)p, "LCT-", 4)==0)) {
276 for(i = 0; i < 8; i++) {
277 if(p[i] == '\0' || !isxdigit(p[i]))
282 * p points at 8 characters of hex digits -
283 * read into a time_t as the seconds since
284 * 1970 that the password was last changed.
286 pw_buf.pass_last_set_time = (time_t)strtol((char *)p, NULL, 16);
291 /* 'Old' style file. Fake up based on user name. */
293 * Currently trust accounts are kept in the same
294 * password file as 'normal accounts'. If this changes
295 * we will have to fix this code. JRA.
297 if(pw_buf.smb_name[strlen(pw_buf.smb_name) - 1] == '$') {
298 pw_buf.acct_ctrl &= ~ACB_NORMAL;
299 pw_buf.acct_ctrl |= ACB_WSTRUST;
306 DEBUG(5,("getsmbfilepwent: end of file reached.\n"));
310 /*************************************************************************
311 Routine to return the next entry in the smbpasswd list.
312 this function is a nice, messy combination of reading:
314 - the unix password database
315 - smb.conf options (not done at present).
316 *************************************************************************/
318 static struct sam_passwd *getsmbfile21pwent(void *vp)
320 struct smb_passwd *pw_buf = getsmbfilepwent(vp);
321 static struct sam_passwd user;
322 struct passwd *pwfile;
324 static pstring full_name;
325 static pstring home_dir;
326 static pstring home_drive;
327 static pstring logon_script;
328 static pstring profile_path;
329 static pstring acct_desc;
330 static pstring workstations;
332 DEBUG(5,("getsmbfile21pwent\n"));
334 if (pw_buf == NULL) return NULL;
336 pwfile = sys_getpwnam(pw_buf->smb_name);
339 DEBUG(0,("getsmbfile21pwent: smbpasswd database is corrupt!\n"));
340 DEBUG(0,("getsmbfile21pwent: username %s not in unix passwd database!\n", pw_buf->smb_name));
346 pstrcpy(samlogon_user, pw_buf->smb_name);
348 if (samlogon_user[strlen(samlogon_user)-1] != '$')
350 /* XXXX hack to get standard_sub_basic() to use sam logon username */
351 /* possibly a better way would be to do a become_user() call */
352 sam_logon_in_ssb = True;
354 user.smb_userid = pw_buf->smb_userid;
355 user.smb_grpid = pwfile->pw_gid;
357 user.user_rid = pdb_uid_to_user_rid (user.smb_userid);
358 user.group_rid = pdb_gid_to_group_rid(user.smb_grpid );
360 pstrcpy(full_name , pwfile->pw_gecos );
361 pstrcpy(logon_script , lp_logon_script ());
362 pstrcpy(profile_path , lp_logon_path ());
363 pstrcpy(home_drive , lp_logon_drive ());
364 pstrcpy(home_dir , lp_logon_home ());
365 pstrcpy(acct_desc , "");
366 pstrcpy(workstations , "");
368 sam_logon_in_ssb = False;
372 user.smb_userid = pw_buf->smb_userid;
373 user.smb_grpid = pwfile->pw_gid;
375 user.user_rid = pdb_uid_to_user_rid (user.smb_userid);
376 user.group_rid = DOMAIN_GROUP_RID_USERS; /* lkclXXXX this is OBSERVED behaviour by NT PDCs, enforced here. */
378 pstrcpy(full_name , "");
379 pstrcpy(logon_script , "");
380 pstrcpy(profile_path , "");
381 pstrcpy(home_drive , "");
382 pstrcpy(home_dir , "");
383 pstrcpy(acct_desc , "");
384 pstrcpy(workstations , "");
387 user.smb_name = pw_buf->smb_name;
388 user.full_name = full_name;
389 user.home_dir = home_dir;
390 user.dir_drive = home_drive;
391 user.logon_script = logon_script;
392 user.profile_path = profile_path;
393 user.acct_desc = acct_desc;
394 user.workstations = workstations;
396 user.unknown_str = NULL; /* don't know, yet! */
397 user.munged_dial = NULL; /* "munged" dial-back telephone number */
399 user.smb_nt_passwd = pw_buf->smb_nt_passwd;
400 user.smb_passwd = pw_buf->smb_passwd;
402 user.acct_ctrl = pw_buf->acct_ctrl;
404 user.unknown_3 = 0xffffff; /* don't know */
405 user.logon_divs = 168; /* hours per week */
406 user.hours_len = 21; /* 21 times 8 bits = 168 */
407 memset(user.hours, 0xff, user.hours_len); /* available at all hours */
408 user.unknown_5 = 0x00020000; /* don't know */
409 user.unknown_5 = 0x000004ec; /* don't know */
414 /*************************************************************************
415 Return the current position in the smbpasswd list as an SMB_BIG_UINT.
416 This must be treated as an opaque token.
417 *************************************************************************/
419 static SMB_BIG_UINT getsmbfilepwpos(void *vp)
421 return (SMB_BIG_UINT)sys_ftell((FILE *)vp);
424 /*************************************************************************
425 Set the current position in the smbpasswd list from an SMB_BIG_UINT.
426 This must be treated as an opaque token.
427 *************************************************************************/
429 static BOOL setsmbfilepwpos(void *vp, SMB_BIG_UINT tok)
431 return !sys_fseek((FILE *)vp, (SMB_OFF_T)tok, SEEK_SET);
434 /************************************************************************
435 Routine to add an entry to the smbpasswd file.
436 *************************************************************************/
438 static BOOL add_smbfilepwd_entry(struct smb_passwd *newpwd)
440 char *pfile = lp_smb_passwd_file();
441 struct smb_passwd *pwd = NULL;
448 int new_entry_length;
453 /* Open the smbpassword file - for update. */
454 fp = startsmbfilepwent(True);
457 DEBUG(0, ("add_smbfilepwd_entry: unable to open file.\n"));
462 * Scan the file, a line at a time and check if the name matches.
465 while ((pwd = getsmbfilepwent(fp)) != NULL) {
466 if (strequal(newpwd->smb_name, pwd->smb_name)) {
467 DEBUG(0, ("add_smbfilepwd_entry: entry with name %s already exists\n", pwd->smb_name));
473 /* Ok - entry doesn't exist. We can add it */
475 /* Create a new smb passwd entry and set it to the given password. */
477 * The add user write needs to be atomic - so get the fd from
478 * the fp and do a raw write() call.
482 if((offpos = sys_lseek(fd, 0, SEEK_END)) == -1) {
483 DEBUG(0, ("add_smbfilepwd_entry(sys_lseek): Failed to add entry for user %s to file %s. \
484 Error was %s\n", newpwd->smb_name, pfile, strerror(errno)));
489 new_entry_length = strlen(newpwd->smb_name) + 1 + 15 + 1 + 32 + 1 + 32 + 1 + NEW_PW_FORMAT_SPACE_PADDED_LEN + 1 + 13 + 2;
491 if((new_entry = (char *)malloc( new_entry_length )) == NULL) {
492 DEBUG(0, ("add_smbfilepwd_entry(malloc): Failed to add entry for user %s to file %s. \
493 Error was %s\n", newpwd->smb_name, pfile, strerror(errno)));
498 slprintf(new_entry, new_entry_length - 1, "%s:%u:", newpwd->smb_name, (unsigned)newpwd->smb_userid);
499 p = &new_entry[strlen(new_entry)];
501 if(newpwd->smb_passwd != NULL) {
502 for( i = 0; i < 16; i++) {
503 slprintf((char *)&p[i*2], new_entry_length - (p - new_entry) - 1, "%02X", newpwd->smb_passwd[i]);
507 if(newpwd->acct_ctrl & ACB_PWNOTREQ)
508 safe_strcpy((char *)p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", new_entry_length - 1 - (p - new_entry));
510 safe_strcpy((char *)p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", new_entry_length - 1 - (p - new_entry));
517 if(newpwd->smb_nt_passwd != NULL) {
518 for( i = 0; i < 16; i++) {
519 slprintf((char *)&p[i*2], new_entry_length - 1 - (p - new_entry), "%02X", newpwd->smb_nt_passwd[i]);
522 if(newpwd->acct_ctrl & ACB_PWNOTREQ)
523 safe_strcpy((char *)p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", new_entry_length - 1 - (p - new_entry));
525 safe_strcpy((char *)p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", new_entry_length - 1 - (p - new_entry));
532 /* Add the account encoding and the last change time. */
533 slprintf((char *)p, new_entry_length - 1 - (p - new_entry), "%s:LCT-%08X:\n",
534 pdb_encode_acct_ctrl(newpwd->acct_ctrl, NEW_PW_FORMAT_SPACE_PADDED_LEN), (uint32)time(NULL));
536 #ifdef DEBUG_PASSWORD
537 DEBUG(100, ("add_smbfilepwd_entry(%d): new_entry_len %d entry_len %d made line |%s|",
538 fd, new_entry_length, strlen(new_entry), new_entry));
541 if ((wr_len = write(fd, new_entry, strlen(new_entry))) != strlen(new_entry)) {
542 DEBUG(0, ("add_smbfilepwd_entry(write): %d Failed to add entry for user %s to file %s. \
543 Error was %s\n", wr_len, newpwd->smb_name, pfile, strerror(errno)));
545 /* Remove the entry we just wrote. */
546 if(sys_ftruncate(fd, offpos) == -1) {
547 DEBUG(0, ("add_smbfilepwd_entry: ERROR failed to ftruncate file %s. \
548 Error was %s. Password file may be corrupt ! Please examine by hand !\n",
549 newpwd->smb_name, strerror(errno)));
562 /************************************************************************
563 Routine to search the smbpasswd file for an entry matching the username.
564 and then modify its password entry. We can't use the startsmbpwent()/
565 getsmbpwent()/endsmbpwent() interfaces here as we depend on looking
566 in the actual file to decide how much room we have to write data.
567 override = False, normal
568 override = True, override XXXXXXXX'd out password or NO PASS
569 ************************************************************************/
571 static BOOL mod_smbfilepwd_entry(struct smb_passwd* pwd, BOOL override)
573 /* Static buffers we will return. */
574 static pstring user_name;
581 unsigned char *p = NULL;
582 size_t linebuf_len = 0;
585 char *pfile = lp_smb_passwd_file();
586 BOOL found_entry = False;
587 BOOL got_pass_last_set_time = False;
589 SMB_OFF_T pwd_seekpos = 0;
596 DEBUG(0, ("No SMB password file set\n"));
599 DEBUG(10, ("mod_smbfilepwd_entry: opening file %s\n", pfile));
601 fp = sys_fopen(pfile, "r+");
604 DEBUG(0, ("mod_smbfilepwd_entry: unable to open file %s\n", pfile));
607 /* Set a buffer to do more efficient reads */
608 setvbuf(fp, readbuf, _IOFBF, sizeof(readbuf));
612 if (!pw_file_lock(lockfd, F_WRLCK, 5, &pw_file_lock_depth)) {
613 DEBUG(0, ("mod_smbfilepwd_entry: unable to lock file %s\n", pfile));
618 /* Make sure it is only rw by the owner */
621 /* We have a write lock on the file. */
623 * Scan the file, a line at a time and check if the name matches.
626 pwd_seekpos = sys_ftell(fp);
630 fgets(linebuf, sizeof(linebuf), fp);
632 pw_file_unlock(lockfd, &pw_file_lock_depth);
638 * Check if the string is terminated with a newline - if not
639 * then we must keep reading and discard until we get one.
641 linebuf_len = strlen(linebuf);
642 if (linebuf[linebuf_len - 1] != '\n') {
644 while (!ferror(fp) && !feof(fp)) {
651 linebuf[linebuf_len - 1] = '\0';
654 #ifdef DEBUG_PASSWORD
655 DEBUG(100, ("mod_smbfilepwd_entry: got line |%s|\n", linebuf));
658 if ((linebuf[0] == 0) && feof(fp)) {
659 DEBUG(4, ("mod_smbfilepwd_entry: end of file reached\n"));
664 * The line we have should be of the form :-
666 * username:uid:[32hex bytes]:....other flags presently
671 * username:uid:[32hex bytes]:[32hex bytes]:[attributes]:LCT-XXXXXXXX:...ignored.
673 * if Windows NT compatible passwords are also present.
676 if (linebuf[0] == '#' || linebuf[0] == '\0') {
677 DEBUG(6, ("mod_smbfilepwd_entry: skipping comment or blank line\n"));
681 p = (unsigned char *) strchr(linebuf, ':');
684 DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (no :)\n"));
689 * As 256 is shorter than a pstring we don't need to check
690 * length here - if this ever changes....
692 strncpy(user_name, linebuf, PTR_DIFF(p, linebuf));
693 user_name[PTR_DIFF(p, linebuf)] = '\0';
694 if (strequal(user_name, pwd->smb_name)) {
701 pw_file_unlock(lockfd, &pw_file_lock_depth);
706 DEBUG(6, ("mod_smbfilepwd_entry: entry exists\n"));
708 /* User name matches - get uid and password */
709 p++; /* Go past ':' */
712 DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (uid not number)\n"));
713 pw_file_unlock(lockfd, &pw_file_lock_depth);
718 while (*p && isdigit(*p))
721 DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (no : after uid)\n"));
722 pw_file_unlock(lockfd, &pw_file_lock_depth);
728 * Now get the password value - this should be 32 hex digits
729 * which are the ascii representations of a 16 byte string.
730 * Get two at a time and put them into the password.
734 /* Record exact password position */
735 pwd_seekpos += PTR_DIFF(p, linebuf);
737 if (!override && (*p == '*' || *p == 'X')) {
738 /* Password deliberately invalid - end here. */
739 DEBUG(10, ("mod_smbfilepwd_entry: entry invalidated for user %s\n", user_name));
740 pw_file_unlock(lockfd, &pw_file_lock_depth);
745 if (linebuf_len < (PTR_DIFF(p, linebuf) + 33)) {
746 DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (passwd too short)\n"));
747 pw_file_unlock(lockfd,&pw_file_lock_depth);
753 DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (no terminating :)\n"));
754 pw_file_unlock(lockfd,&pw_file_lock_depth);
759 if (!override && (*p == '*' || *p == 'X')) {
760 pw_file_unlock(lockfd,&pw_file_lock_depth);
765 /* Now check if the NT compatible password is
767 p += 33; /* Move to the first character of the line after
768 the lanman password. */
769 if (linebuf_len < (PTR_DIFF(p, linebuf) + 33)) {
770 DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (passwd too short)\n"));
771 pw_file_unlock(lockfd,&pw_file_lock_depth);
777 DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (no terminating :)\n"));
778 pw_file_unlock(lockfd,&pw_file_lock_depth);
784 * Now check if the account info and the password last
785 * change time is available.
787 p += 33; /* Move to the first character of the line after
791 * If both NT and lanman passwords are provided - reset password
795 if(pwd->smb_passwd != NULL || pwd->smb_nt_passwd != NULL) {
796 /* Reqiure password in the future (should ACB_DISABLED also be reset?) */
797 pwd->acct_ctrl &= ~(ACB_PWNOTREQ);
803 encode_bits[i++] = *p++;
804 while((linebuf_len > PTR_DIFF(p, linebuf)) && (*p != ']'))
805 encode_bits[i++] = *p++;
807 encode_bits[i++] = ']';
808 encode_bits[i++] = '\0';
810 if(i == NEW_PW_FORMAT_SPACE_PADDED_LEN) {
812 * We are using a new format, space padded
813 * acct ctrl field. Encode the given acct ctrl
816 fstrcpy(encode_bits, pdb_encode_acct_ctrl(pwd->acct_ctrl, NEW_PW_FORMAT_SPACE_PADDED_LEN));
819 * If using the old format and the ACB_DISABLED or
820 * ACB_PWNOTREQ are set then set the lanman and NT passwords to NULL
821 * here as we have no space to encode the change.
823 if(pwd->acct_ctrl & (ACB_DISABLED|ACB_PWNOTREQ)) {
824 pwd->smb_passwd = NULL;
825 pwd->smb_nt_passwd = NULL;
829 /* Go past the ']' */
830 if(linebuf_len > PTR_DIFF(p, linebuf))
833 if((linebuf_len > PTR_DIFF(p, linebuf)) && (*p == ':')) {
836 /* We should be pointing at the LCT entry. */
837 if((linebuf_len > (PTR_DIFF(p, linebuf) + 13)) && (StrnCaseCmp((char *)p, "LCT-", 4) == 0)) {
840 for(i = 0; i < 8; i++) {
841 if(p[i] == '\0' || !isxdigit(p[i]))
846 * p points at 8 characters of hex digits -
847 * read into a time_t as the seconds since
848 * 1970 that the password was last changed.
850 got_pass_last_set_time = True;
852 } /* *p && StrnCaseCmp() */
856 /* Entry is correctly formed. */
858 /* Create the 32 byte representation of the new p16 */
859 if(pwd->smb_passwd != NULL) {
860 for (i = 0; i < 16; i++) {
861 slprintf(&ascii_p16[i*2], sizeof(fstring) - 1, "%02X", (uchar) pwd->smb_passwd[i]);
864 if(pwd->acct_ctrl & ACB_PWNOTREQ)
865 fstrcpy(ascii_p16, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX");
867 fstrcpy(ascii_p16, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
870 /* Add on the NT md4 hash */
873 if (pwd->smb_nt_passwd != NULL) {
874 for (i = 0; i < 16; i++) {
875 slprintf(&ascii_p16[(i*2)+33], sizeof(fstring) - 1, "%02X", (uchar) pwd->smb_nt_passwd[i]);
878 if(pwd->acct_ctrl & ACB_PWNOTREQ)
879 fstrcpy(&ascii_p16[33], "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX");
881 fstrcpy(&ascii_p16[33], "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
884 ascii_p16[66] = '\0'; /* null-terminate the string so that strlen works */
886 /* Add on the account info bits and the time of last
889 pwd->pass_last_set_time = time(NULL);
891 if(got_pass_last_set_time) {
892 slprintf(&ascii_p16[strlen(ascii_p16)],
893 sizeof(ascii_p16)-(strlen(ascii_p16)+1),
895 encode_bits, (uint32)pwd->pass_last_set_time );
896 wr_len = strlen(ascii_p16);
899 #ifdef DEBUG_PASSWORD
900 DEBUG(100,("mod_smbfilepwd_entry: "));
901 dump_data(100, ascii_p16, wr_len);
904 if(wr_len > sizeof(linebuf)) {
905 DEBUG(0, ("mod_smbfilepwd_entry: line to write (%d) is too long.\n", wr_len+1));
906 pw_file_unlock(lockfd,&pw_file_lock_depth);
912 * Do an atomic write into the file at the position defined by
916 /* The mod user write needs to be atomic - so get the fd from
917 the fp and do a raw write() call.
922 if (sys_lseek(fd, pwd_seekpos - 1, SEEK_SET) != pwd_seekpos - 1) {
923 DEBUG(0, ("mod_smbfilepwd_entry: seek fail on file %s.\n", pfile));
924 pw_file_unlock(lockfd,&pw_file_lock_depth);
929 /* Sanity check - ensure the areas we are writing are framed by ':' */
930 if (read(fd, linebuf, wr_len+1) != wr_len+1) {
931 DEBUG(0, ("mod_smbfilepwd_entry: read fail on file %s.\n", pfile));
932 pw_file_unlock(lockfd,&pw_file_lock_depth);
937 if ((linebuf[0] != ':') || (linebuf[wr_len] != ':')) {
938 DEBUG(0, ("mod_smbfilepwd_entry: check on passwd file %s failed.\n", pfile));
939 pw_file_unlock(lockfd,&pw_file_lock_depth);
944 if (sys_lseek(fd, pwd_seekpos, SEEK_SET) != pwd_seekpos) {
945 DEBUG(0, ("mod_smbfilepwd_entry: seek fail on file %s.\n", pfile));
946 pw_file_unlock(lockfd,&pw_file_lock_depth);
951 if (write(fd, ascii_p16, wr_len) != wr_len) {
952 DEBUG(0, ("mod_smbfilepwd_entry: write failed in passwd file %s\n", pfile));
953 pw_file_unlock(lockfd,&pw_file_lock_depth);
958 pw_file_unlock(lockfd,&pw_file_lock_depth);
964 * Stub functions - implemented in terms of others.
967 static BOOL mod_smbfile21pwd_entry(struct sam_passwd* pwd, BOOL override)
969 return mod_smbfilepwd_entry(pdb_sam_to_smb(pwd), override);
972 static BOOL add_smbfile21pwd_entry(struct sam_passwd *newpwd)
974 return add_smbfilepwd_entry(pdb_sam_to_smb(newpwd));
977 static struct sam_disp_info *getsmbfiledispnam(char *name)
979 return pdb_sam_to_dispinfo(getsam21pwnam(name));
982 static struct sam_disp_info *getsmbfiledisprid(uint32 rid)
984 return pdb_sam_to_dispinfo(getsam21pwrid(rid));
987 static struct sam_disp_info *getsmbfiledispent(void *vp)
989 return pdb_sam_to_dispinfo(getsam21pwent(vp));
992 static struct passdb_ops file_ops = {
997 iterate_getsmbpwnam, /* In passdb.c */
998 iterate_getsmbpwuid, /* In passdb.c */
999 iterate_getsmbpwrid, /* In passdb.c */
1001 add_smbfilepwd_entry,
1002 mod_smbfilepwd_entry,
1004 iterate_getsam21pwnam,
1005 iterate_getsam21pwuid,
1006 iterate_getsam21pwrid,
1007 add_smbfile21pwd_entry,
1008 mod_smbfile21pwd_entry,
1014 struct passdb_ops *file_initialize_password_db(void)
1020 /* Do *NOT* make this function static. It breaks the compile on gcc. JRA */
1021 void smbpass_dummy_function(void) { } /* stop some compilers complaining */
1022 #endif /* USE_SMBPASS_DB */