2 * Server functions which perform operations on user objects.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License, version 3.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
24 #include <sys/types.h>
27 #ifdef HAVE_SYS_STAT_H
31 #if TIME_WITH_SYS_TIME
32 # include <sys/time.h>
36 # include <sys/time.h>
44 #include <libcitadel.h>
49 #include "sysdep_decls.h"
55 #include "citserver.h"
56 #include "citadel_dirs.h"
59 #include "citadel_ldap.h"
61 #include "ctdl_module.h"
63 #include "internet_addressing.h"
65 /* These pipes are used to talk to the chkpwd daemon, which is forked during startup */
66 int chkpwd_write_pipe[2];
67 int chkpwd_read_pipe[2];
72 * getuser() - retrieve named user into supplied buffer.
73 * returns 0 on success
75 int getuser(struct ctdluser *usbuf, char name[])
77 return CtdlGetUser(usbuf, name);
82 * CtdlGetUser() - retrieve named user into supplied buffer.
83 * returns 0 on success
85 int CtdlGetUserLen(struct ctdluser *usbuf, const char *name, long len)
88 char usernamekey[USERNAME_SIZE];
89 struct cdbdata *cdbus;
92 memset(usbuf, 0, sizeof(struct ctdluser));
95 makeuserkey(usernamekey, name, len);
96 cdbus = cdb_fetch(CDB_USERS, usernamekey, strlen(usernamekey));
98 if (cdbus == NULL) { /* user not found */
102 memcpy(usbuf, cdbus->ptr,
103 ((cdbus->len > sizeof(struct ctdluser)) ?
104 sizeof(struct ctdluser) : cdbus->len));
112 int CtdlGetUser(struct ctdluser *usbuf, char *name)
114 return CtdlGetUserLen(usbuf, name, cutuserkey(name));
119 * CtdlGetUserLock() - same as getuser() but locks the record
121 int CtdlGetUserLock(struct ctdluser *usbuf, char *name)
125 retcode = CtdlGetUser(usbuf, name);
127 begin_critical_section(S_USERS);
134 * lgetuser() - same as getuser() but locks the record
136 int lgetuser(struct ctdluser *usbuf, char *name)
138 return CtdlGetUserLock(usbuf, name);
143 * CtdlPutUser() - write user buffer into the correct place on disk
145 void CtdlPutUser(struct ctdluser *usbuf)
147 char usernamekey[USERNAME_SIZE];
149 makeuserkey(usernamekey,
151 cutuserkey(usbuf->fullname));
153 usbuf->version = REV_LEVEL;
155 usernamekey, strlen(usernamekey),
156 usbuf, sizeof(struct ctdluser));
162 * putuser() - write user buffer into the correct place on disk
164 void putuser(struct ctdluser *usbuf)
171 * CtdlPutUserLock() - same as putuser() but locks the record
173 void CtdlPutUserLock(struct ctdluser *usbuf)
176 end_critical_section(S_USERS);
181 * lputuser() - same as putuser() but locks the record
183 void lputuser(struct ctdluser *usbuf)
185 CtdlPutUserLock(usbuf);
190 * rename_user() - this is tricky because the user's display name is the database key
192 * Returns 0 on success or nonzero if there was an error...
195 int rename_user(char *oldname, char *newname) {
196 int retcode = RENAMEUSER_OK;
197 struct ctdluser usbuf;
199 char oldnamekey[USERNAME_SIZE];
200 char newnamekey[USERNAME_SIZE];
202 /* Create the database keys... */
203 makeuserkey(oldnamekey, oldname, cutuserkey(oldname));
204 makeuserkey(newnamekey, newname, cutuserkey(newname));
206 /* Lock up and get going */
207 begin_critical_section(S_USERS);
209 /* We cannot rename a user who is currently logged in */
210 if (CtdlIsUserLoggedIn(oldname)) {
211 end_critical_section(S_USERS);
212 return RENAMEUSER_LOGGED_IN;
215 if (CtdlGetUser(&usbuf, newname) == 0) {
216 retcode = RENAMEUSER_ALREADY_EXISTS;
220 if (CtdlGetUser(&usbuf, oldname) != 0) {
221 retcode = RENAMEUSER_NOT_FOUND;
224 else { /* Sanity checks succeeded. Now rename the user. */
225 if (usbuf.usernum == 0)
227 CONM_syslog(LOG_DEBUG, "Can not rename user \"Citadel\".\n");
228 retcode = RENAMEUSER_NOT_FOUND;
230 CON_syslog(LOG_DEBUG, "Renaming <%s> to <%s>\n", oldname, newname);
231 cdb_delete(CDB_USERS, oldnamekey, strlen(oldnamekey));
232 safestrncpy(usbuf.fullname, newname, sizeof usbuf.fullname);
234 cdb_store(CDB_USERSBYNUMBER, &usbuf.usernum, sizeof(long),
235 usbuf.fullname, strlen(usbuf.fullname)+1 );
237 retcode = RENAMEUSER_OK;
243 end_critical_section(S_USERS);
250 * Index-generating function used by Ctdl[Get|Set]Relationship
252 int GenerateRelationshipIndex(char *IndexBuf,
264 TheIndex.iRoomID = RoomID;
265 TheIndex.iRoomGen = RoomGen;
266 TheIndex.iUserID = UserID;
268 memcpy(IndexBuf, &TheIndex, sizeof(TheIndex));
269 return (sizeof(TheIndex));
275 * Back end for CtdlSetRelationship()
277 void put_visit(visit *newvisit)
282 memset (IndexBuf, 0, sizeof (IndexBuf));
283 /* Generate an index */
284 IndexLen = GenerateRelationshipIndex(IndexBuf,
287 newvisit->v_usernum);
289 /* Store the record */
290 cdb_store(CDB_VISIT, IndexBuf, IndexLen,
291 newvisit, sizeof(visit)
299 * Define a relationship between a user and a room
301 void CtdlSetRelationship(visit *newvisit,
302 struct ctdluser *rel_user,
303 struct ctdlroom *rel_room)
307 /* We don't use these in Citadel because they're implicit by the
308 * index, but they must be present if the database is exported.
310 newvisit->v_roomnum = rel_room->QRnumber;
311 newvisit->v_roomgen = rel_room->QRgen;
312 newvisit->v_usernum = rel_user->usernum;
318 * Locate a relationship between a user and a room
320 void CtdlGetRelationship(visit *vbuf,
321 struct ctdluser *rel_user,
322 struct ctdlroom *rel_room)
327 struct cdbdata *cdbvisit;
329 /* Generate an index */
330 IndexLen = GenerateRelationshipIndex(IndexBuf,
335 /* Clear out the buffer */
336 memset(vbuf, 0, sizeof(visit));
338 cdbvisit = cdb_fetch(CDB_VISIT, IndexBuf, IndexLen);
339 if (cdbvisit != NULL) {
340 memcpy(vbuf, cdbvisit->ptr,
341 ((cdbvisit->len > sizeof(visit)) ?
342 sizeof(visit) : cdbvisit->len));
346 /* If this is the first time the user has seen this room,
347 * set the view to be the default for the room.
349 vbuf->v_view = rel_room->QRdefaultview;
352 /* Set v_seen if necessary */
353 if (vbuf->v_seen[0] == 0) {
354 snprintf(vbuf->v_seen, sizeof vbuf->v_seen, "*:%ld", vbuf->v_lastseen);
359 void CtdlMailboxName(char *buf, size_t n, const struct ctdluser *who, const char *prefix)
361 snprintf(buf, n, "%010ld.%s", who->usernum, prefix);
365 void MailboxName(char *buf, size_t n, const struct ctdluser *who, const char *prefix)
367 snprintf(buf, n, "%010ld.%s", who->usernum, prefix);
372 * Check to see if the specified user has Internet mail permission
373 * (returns nonzero if permission is granted)
375 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
377 /* Do not allow twits to send Internet mail */
378 if (who->axlevel <= AxProbU) return(0);
380 /* Globally enabled? */
381 if (config.c_restrict == 0) return(1);
383 /* User flagged ok? */
384 if (who->flags & US_INTERNET) return(2);
386 /* Admin level access? */
387 if (who->axlevel >= AxAideU) return(3);
389 /* No mail for you! */
394 * Convenience function.
396 int CtdlAccessCheck(int required_level)
398 if (CC->internal_pgm) return(0);
399 if (required_level >= ac_internal) {
400 cprintf("%d This is not a user-level command.\n",
401 ERROR + HIGHER_ACCESS_REQUIRED);
405 if ((required_level >= ac_logged_in_or_guest) && (CC->logged_in == 0) && (!config.c_guest_logins)) {
406 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
410 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
411 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
415 if (CC->user.axlevel >= AxAideU) return(0);
416 if (required_level >= ac_aide) {
417 cprintf("%d This command requires Admin access.\n",
418 ERROR + HIGHER_ACCESS_REQUIRED);
422 if (is_room_aide()) return(0);
423 if (required_level >= ac_room_aide) {
424 cprintf("%d This command requires Admin or Room Admin access.\n",
425 ERROR + HIGHER_ACCESS_REQUIRED);
429 /* shhh ... succeed quietly */
436 * Is the user currently logged in an Admin?
440 if (CC->user.axlevel >= AxAideU)
448 * Is the user currently logged in an Admin *or* the room Admin for this room?
450 int is_room_aide(void)
453 if (!CC->logged_in) {
457 if ((CC->user.axlevel >= AxAideU)
458 || (CC->room.QRroomaide == CC->user.usernum)) {
466 * CtdlGetUserByNumber() - get user by number
467 * returns 0 if user was found
469 * Note: fetching a user this way requires one additional database operation.
471 int CtdlGetUserByNumber(struct ctdluser *usbuf, long number)
473 struct cdbdata *cdbun;
476 cdbun = cdb_fetch(CDB_USERSBYNUMBER, &number, sizeof(long));
478 CON_syslog(LOG_INFO, "User %ld not found\n", number);
482 CON_syslog(LOG_INFO, "User %ld maps to %s\n", number, cdbun->ptr);
483 r = CtdlGetUser(usbuf, cdbun->ptr);
489 * getuserbynumber() - get user by number
490 * returns 0 if user was found
492 * Note: fetching a user this way requires one additional database operation.
494 int getuserbynumber(struct ctdluser *usbuf, long number)
496 return CtdlGetUserByNumber(usbuf, number);
502 * Helper function for rebuild_usersbynumber()
504 void rebuild_ubn_for_user(struct ctdluser *usbuf, void *data) {
507 struct ubnlist *next;
508 char username[USERNAME_SIZE];
512 static struct ubnlist *u = NULL;
513 struct ubnlist *ptr = NULL;
515 /* Lazy programming here. Call this function as a ForEachUser backend
516 * in order to queue up the room names, or call it with a null user
517 * to make it do the processing.
520 ptr = (struct ubnlist *) malloc(sizeof (struct ubnlist));
521 if (ptr == NULL) return;
523 ptr->usernum = usbuf->usernum;
524 safestrncpy(ptr->username, usbuf->fullname, sizeof ptr->username);
531 CON_syslog(LOG_DEBUG, "Rebuilding usersbynumber index %10ld : %s\n",
532 u->usernum, u->username);
533 cdb_store(CDB_USERSBYNUMBER, &u->usernum, sizeof(long), u->username, strlen(u->username)+1);
544 * Rebuild the users-by-number index
546 void rebuild_usersbynumber(void) {
547 cdb_trunc(CDB_USERSBYNUMBER); /* delete the old indices */
548 ForEachUser(rebuild_ubn_for_user, NULL); /* enumerate the users */
549 rebuild_ubn_for_user(NULL, NULL); /* and index them */
555 * getuserbyuid() - get user by system uid (for PAM mode authentication)
556 * returns 0 if user was found
558 * WARNING: don't use this function unless you absolutely have to. It does
559 * a sequential search and therefore is computationally expensive.
561 int getuserbyuid(struct ctdluser *usbuf, uid_t number)
563 struct cdbdata *cdbus;
565 cdb_rewind(CDB_USERS);
567 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
568 memset(usbuf, 0, sizeof(struct ctdluser));
569 memcpy(usbuf, cdbus->ptr,
570 ((cdbus->len > sizeof(struct ctdluser)) ?
571 sizeof(struct ctdluser) : cdbus->len));
573 if (usbuf->uid == number) {
574 cdb_close_cursor(CDB_USERS);
582 * Back end for cmd_user() and its ilk
584 * NOTE: "authname" should only be used if we are attempting to use the "master user" feature
586 int CtdlLoginExistingUser(char *authname, const char *trythisname)
592 CON_syslog(LOG_DEBUG, "CtdlLoginExistingUser(%s, %s)\n", authname, trythisname);
594 if ((CC->logged_in)) {
595 return login_already_logged_in;
598 if (trythisname == NULL) return login_not_found;
600 if (!strncasecmp(trythisname, "SYS_", 4))
602 CON_syslog(LOG_DEBUG, "System user \"%s\" is not allowed to log in.\n", trythisname);
603 return login_not_found;
606 /* If a "master user" is defined, handle its authentication if specified */
608 if (strlen(config.c_master_user) > 0) if (strlen(config.c_master_pass) > 0) if (authname) {
609 if (!strcasecmp(authname, config.c_master_user)) {
614 /* Continue attempting user validation... */
615 safestrncpy(username, trythisname, sizeof (username));
617 len = cutuserkey(username);
619 if (IsEmptyStr(username)) {
620 return login_not_found;
623 if (config.c_auth_mode == AUTHMODE_HOST) {
628 struct passwd *tempPwdPtr;
631 CON_syslog(LOG_DEBUG, "asking host about <%s>\n", username);
632 #ifdef HAVE_GETPWNAM_R
633 #ifdef SOLARIS_GETPWUID
634 CON_syslog(LOG_DEBUG, "Calling getpwnam_r()\n");
635 tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer);
636 #else // SOLARIS_GETPWUID
637 CONM_syslog(LOG_DEBUG, "Calling getpwnam_r()\n");
638 getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
639 #endif // SOLARIS_GETPWUID
640 #else // HAVE_GETPWNAM_R
641 CON_syslog(LOG_DEBUG, "SHOULD NEVER GET HERE!!!\n");
643 #endif // HAVE_GETPWNAM_R
644 if (tempPwdPtr == NULL) {
645 CON_syslog(LOG_DEBUG, "no such user <%s>\n", username);
646 return login_not_found;
649 /* Locate the associated Citadel account.
650 * If not found, make one attempt to create it.
652 found_user = getuserbyuid(&CC->user, pd.pw_uid);
653 CON_syslog(LOG_DEBUG, "found it: uid=%ld, gecos=%s here: %d\n",
654 (long)pd.pw_uid, pd.pw_gecos, found_user);
655 if (found_user != 0) {
656 len = cutuserkey(username);
657 create_user(username, len, 0);
658 found_user = getuserbyuid(&CC->user, pd.pw_uid);
664 else if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
672 found_user = CtdlTryUserLDAP(username, ldap_dn, sizeof ldap_dn, ldap_cn, sizeof ldap_cn, &ldap_uid);
673 if (found_user != 0) {
674 return login_not_found;
677 found_user = getuserbyuid(&CC->user, ldap_uid);
678 if (found_user != 0) {
679 create_user(username, len, 0);
680 found_user = getuserbyuid(&CC->user, ldap_uid);
683 if (found_user == 0) {
684 if (CC->ldap_dn != NULL) free(CC->ldap_dn);
685 CC->ldap_dn = strdup(ldap_dn);
692 /* native auth mode */
694 struct recptypes *valid = NULL;
696 /* First, try to log in as if the supplied name is a display name */
697 found_user = CtdlGetUser(&CC->user, username);
699 /* If that didn't work, try to log in as if the supplied name
700 * is an e-mail address
702 if (found_user != 0) {
703 valid = validate_recipients(username, NULL, 0);
705 if (valid->num_local == 1) {
706 found_user = CtdlGetUser(&CC->user, valid->recp_local);
708 free_recipients(valid);
713 /* Did we find something? */
714 if (found_user == 0) {
715 if (((CC->nologin)) && (CC->user.axlevel < AxAideU)) {
716 return login_too_many_users;
718 safestrncpy(CC->curr_user, CC->user.fullname,
719 sizeof CC->curr_user);
723 return login_not_found;
731 * session startup code which is common to both cmd_pass() and cmd_newu()
735 struct CitContext *CCC = CC;
738 CON_syslog(LOG_NOTICE, "<%s> logged in\n", CCC->curr_user);
740 CtdlGetUserLock(&CCC->user, CCC->curr_user);
741 ++(CCC->user.timescalled);
742 CCC->previous_login = CCC->user.lastcall;
743 time(&CCC->user.lastcall);
745 /* If this user's name is the name of the system administrator
746 * (as specified in setup), automatically assign access level 6.
748 if (!strcasecmp(CCC->user.fullname, config.c_sysadm)) {
749 CCC->user.axlevel = AxAideU;
752 /* If we're authenticating off the host system, automatically give
753 * root the highest level of access.
755 if (config.c_auth_mode == AUTHMODE_HOST) {
756 if (CCC->user.uid == 0) {
757 CCC->user.axlevel = AxAideU;
761 CtdlPutUserLock(&CCC->user);
764 * Populate CCC->cs_inet_email with a default address. This will be
765 * overwritten with the user's directory address, if one exists, when
766 * the vCard module's login hook runs.
768 snprintf(CCC->cs_inet_email, sizeof CCC->cs_inet_email, "%s@%s",
769 CCC->user.fullname, config.c_fqdn);
770 convert_spaces_to_underscores(CCC->cs_inet_email);
772 /* Create any personal rooms required by the system.
773 * (Technically, MAILROOM should be there already, but just in case...)
775 CtdlCreateRoom(MAILROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
776 CtdlCreateRoom(SENTITEMS, 4, "", 0, 1, 0, VIEW_MAILBOX);
777 CtdlCreateRoom(USERTRASHROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
778 CtdlCreateRoom(USERDRAFTROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
780 /* Run any startup routines registered by loadable modules */
781 PerformSessionHooks(EVT_LOGIN);
783 /* Enter the lobby */
784 CtdlUserGoto(config.c_baseroom, 0, 0, NULL, NULL);
788 void logged_in_response(void)
790 cprintf("%d %s|%d|%ld|%ld|%u|%ld|%ld\n",
791 CIT_OK, CC->user.fullname, CC->user.axlevel,
792 CC->user.timescalled, CC->user.posted,
793 CC->user.flags, CC->user.usernum,
799 void CtdlUserLogout(void)
801 CitContext *CCC = MyContext();
803 CON_syslog(LOG_DEBUG, "CtdlUserLogout() logging out <%s> from session %d",
804 CCC->curr_user, CCC->cs_pid
807 /* Run any hooks registered by modules... */
808 PerformSessionHooks(EVT_LOGOUT);
811 * Clear out some session data. Most likely, the CitContext for this
812 * session is about to get nuked when the session disconnects, but
813 * since it's possible to log in again without reconnecting, we cannot
814 * make that assumption.
816 strcpy(CCC->fake_username, "");
817 strcpy(CCC->fake_hostname, "");
818 strcpy(CCC->fake_roomname, "");
821 /* Check to see if the user was deleted whilst logged in and purge them if necessary */
822 if ((CCC->user.axlevel == AxDeleted) && (CCC->user.usernum))
823 purge_user(CCC->user.fullname);
825 /* Clear out the user record in memory so we don't behave like a ghost */
826 memset(&CCC->user, 0, sizeof(struct ctdluser));
827 CCC->curr_user[0] = 0;
829 CCC->cs_inet_email[0] = 0;
830 CCC->cs_inet_other_emails[0] = 0;
831 CCC->cs_inet_fn[0] = 0;
832 CCC->fake_username[0] = 0;
833 CCC->fake_hostname[0] = 0;
834 CCC->fake_roomname[0] = 0;
837 /* Free any output buffers */
843 * Validate a password on the host unix system by talking to the chkpwd daemon
845 static int validpw(uid_t uid, const char *pass)
850 if (IsEmptyStr(pass)) {
851 CON_syslog(LOG_DEBUG, "Refusing to chkpwd for uid=%d with empty password.\n", uid);
855 CON_syslog(LOG_DEBUG, "Validating password for uid=%d using chkpwd...\n", uid);
857 begin_critical_section(S_CHKPWD);
858 rv = write(chkpwd_write_pipe[1], &uid, sizeof(uid_t));
860 CON_syslog(LOG_EMERG, "Communicatino with chkpwd broken: %s\n", strerror(errno));
861 end_critical_section(S_CHKPWD);
864 rv = write(chkpwd_write_pipe[1], pass, 256);
866 CON_syslog(LOG_EMERG, "Communicatino with chkpwd broken: %s\n", strerror(errno));
867 end_critical_section(S_CHKPWD);
870 rv = read(chkpwd_read_pipe[0], buf, 4);
872 CON_syslog(LOG_EMERG, "Communicatino with chkpwd broken: %s\n", strerror(errno));
873 end_critical_section(S_CHKPWD);
876 end_critical_section(S_CHKPWD);
878 if (!strncmp(buf, "PASS", 4)) {
879 CONM_syslog(LOG_DEBUG, "...pass\n");
883 CONM_syslog(LOG_DEBUG, "...fail\n");
888 * Start up the chkpwd daemon so validpw() has something to talk to
890 void start_chkpwd_daemon(void) {
892 struct stat filestats;
895 CONM_syslog(LOG_DEBUG, "Starting chkpwd daemon for host authentication mode\n");
897 if ((stat(file_chkpwd, &filestats)==-1) ||
898 (filestats.st_size==0)){
899 printf("didn't find chkpwd daemon in %s: %s\n", file_chkpwd, strerror(errno));
902 if (pipe(chkpwd_write_pipe) != 0) {
903 CON_syslog(LOG_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
906 if (pipe(chkpwd_read_pipe) != 0) {
907 CON_syslog(LOG_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
912 if (chkpwd_pid < 0) {
913 CON_syslog(LOG_EMERG, "Unable to fork chkpwd daemon: %s\n", strerror(errno));
916 if (chkpwd_pid == 0) {
917 CONM_syslog(LOG_DEBUG, "Now calling dup2() write\n");
918 dup2(chkpwd_write_pipe[0], 0);
919 CONM_syslog(LOG_DEBUG, "Now calling dup2() write\n");
920 dup2(chkpwd_read_pipe[1], 1);
921 CONM_syslog(LOG_DEBUG, "Now closing stuff\n");
922 for (i=2; i<256; ++i) close(i);
923 CON_syslog(LOG_DEBUG, "Now calling execl(%s)\n", file_chkpwd);
924 execl(file_chkpwd, file_chkpwd, NULL);
925 CON_syslog(LOG_EMERG, "Unable to exec chkpwd daemon: %s\n", strerror(errno));
932 int CtdlTryPassword(const char *password, long len)
935 CitContext *CCC = CC;
937 if ((CCC->logged_in)) {
938 CONM_syslog(LOG_WARNING, "CtdlTryPassword: already logged in\n");
939 return pass_already_logged_in;
941 if (!strcmp(CCC->curr_user, NLI)) {
942 CONM_syslog(LOG_WARNING, "CtdlTryPassword: no user selected\n");
945 if (CtdlGetUser(&CCC->user, CCC->curr_user)) {
946 CONM_syslog(LOG_ERR, "CtdlTryPassword: internal error\n");
947 return pass_internal_error;
949 if (password == NULL) {
950 CONM_syslog(LOG_INFO, "CtdlTryPassword: NULL password string supplied\n");
951 return pass_wrong_password;
954 if (CCC->is_master) {
955 code = strcmp(password, config.c_master_pass);
958 else if (config.c_auth_mode == AUTHMODE_HOST) {
962 if (validpw(CCC->user.uid, password)) {
966 * sooper-seekrit hack: populate the password field in the
967 * citadel database with the password that the user typed,
968 * if it's correct. This allows most sites to convert from
969 * host auth to native auth if they want to. If you think
970 * this is a security hazard, comment it out.
973 CtdlGetUserLock(&CCC->user, CCC->curr_user);
974 safestrncpy(CCC->user.password, password, sizeof CCC->user.password);
975 CtdlPutUserLock(&CCC->user);
978 * (sooper-seekrit hack ends here)
988 else if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
992 if ((CCC->ldap_dn) && (!CtdlTryPasswordLDAP(CCC->ldap_dn, password))) {
1003 /* native auth mode */
1006 pw = (char*) malloc(len + 1);
1007 memcpy(pw, password, len + 1);
1009 strproc(CCC->user.password);
1010 code = strcasecmp(CCC->user.password, pw);
1013 strproc(CCC->user.password);
1014 code = strcasecmp(CCC->user.password, pw);
1023 CON_syslog(LOG_WARNING, "Bad password specified for <%s> Service <%s> Port <%ld> Remote <%s / %s>\n",
1031 //citserver[5610]: Bad password specified for <willi> Service <citadel-TCP> Remote <PotzBlitz / >
1033 return pass_wrong_password;
1041 * Delete a user record *and* all of its related resources.
1043 int purge_user(char pname[])
1046 struct ctdluser usbuf;
1047 char usernamekey[USERNAME_SIZE];
1049 makeuserkey(usernamekey, pname, cutuserkey(pname));
1051 /* If the name is empty we can't find them in the DB any way so just return */
1052 if (IsEmptyStr(pname))
1053 return (ERROR + NO_SUCH_USER);
1055 if (CtdlGetUser(&usbuf, pname) != 0) {
1056 CON_syslog(LOG_ERR, "Cannot purge user <%s> - not found\n", pname);
1057 return (ERROR + NO_SUCH_USER);
1059 /* Don't delete a user who is currently logged in. Instead, just
1060 * set the access level to 0, and let the account get swept up
1061 * during the next purge.
1063 if (CtdlIsUserLoggedInByNum(usbuf.usernum)) {
1064 CON_syslog(LOG_WARNING, "User <%s> is logged in; not deleting.\n", pname);
1065 usbuf.axlevel = AxDeleted;
1066 CtdlPutUser(&usbuf);
1069 CON_syslog(LOG_NOTICE, "Deleting user <%s>\n", pname);
1073 * This should all be wrapped in a S_USERS mutex.
1074 * Without the mutex the user could log in before we get to the next function
1075 * That would truly mess things up :-(
1076 * I would like to see the S_USERS start before the CtdlIsUserLoggedInByNum() above
1077 * and end after the user has been deleted from the database, below.
1078 * Question is should we enter the EVT_PURGEUSER whilst S_USERS is active?
1081 /* Perform any purge functions registered by server extensions */
1082 PerformUserHooks(&usbuf, EVT_PURGEUSER);
1084 /* delete any existing user/room relationships */
1085 cdb_delete(CDB_VISIT, &usbuf.usernum, sizeof(long));
1087 /* delete the users-by-number index record */
1088 cdb_delete(CDB_USERSBYNUMBER, &usbuf.usernum, sizeof(long));
1090 /* delete the userlog entry */
1091 cdb_delete(CDB_USERS, usernamekey, strlen(usernamekey));
1093 /* remove the user's bio file */
1101 /* remove the user's picture */
1113 int internal_create_user (const char *username, long len, struct ctdluser *usbuf, uid_t uid)
1115 if (!CtdlGetUserLen(usbuf, username, len)) {
1116 return (ERROR + ALREADY_EXISTS);
1119 /* Go ahead and initialize a new user record */
1120 memset(usbuf, 0, sizeof(struct ctdluser));
1121 safestrncpy(usbuf->fullname, username, sizeof usbuf->fullname);
1122 strcpy(usbuf->password, "");
1125 /* These are the default flags on new accounts */
1126 usbuf->flags = US_LASTOLD | US_DISAPPEAR | US_PAGINATOR | US_FLOORS;
1128 usbuf->timescalled = 0;
1130 usbuf->axlevel = config.c_initax;
1131 usbuf->lastcall = time(NULL);
1133 /* fetch a new user number */
1134 usbuf->usernum = get_new_user_number();
1136 /* add user to the database */
1138 cdb_store(CDB_USERSBYNUMBER, &usbuf->usernum, sizeof(long), usbuf->fullname, strlen(usbuf->fullname)+1);
1146 * create_user() - back end processing to create a new user
1148 * Set 'newusername' to the desired account name.
1149 * Set 'become_user' to nonzero if this is self-service account creation and we want
1150 * to actually log in as the user we just created, otherwise set it to 0.
1152 int create_user(const char *newusername, long len, int become_user)
1154 struct ctdluser usbuf;
1155 struct ctdlroom qrbuf;
1157 char mailboxname[ROOMNAMELEN];
1163 safestrncpy(username, newusername, sizeof username);
1167 if (config.c_auth_mode == AUTHMODE_HOST) {
1169 /* host auth mode */
1172 struct passwd *tempPwdPtr;
1173 char pwdbuffer[SIZ];
1175 #ifdef HAVE_GETPWNAM_R
1176 #ifdef SOLARIS_GETPWUID
1177 tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof(pwdbuffer));
1178 #else // SOLARIS_GETPWUID
1179 getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
1180 #endif // SOLARIS_GETPWUID
1181 #else // HAVE_GETPWNAM_R
1183 #endif // HAVE_GETPWNAM_R
1184 if (tempPwdPtr != NULL) {
1185 extract_token(username, pd.pw_gecos, 0, ',', sizeof username);
1187 if (IsEmptyStr (username))
1189 safestrncpy(username, pd.pw_name, sizeof username);
1190 len = cutuserkey(username);
1194 return (ERROR + NO_SUCH_USER);
1199 if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
1200 if (CtdlTryUserLDAP(username, NULL, 0, username, sizeof username, &uid) != 0) {
1201 return(ERROR + NO_SUCH_USER);
1204 #endif /* HAVE_LDAP */
1206 if ((retval = internal_create_user(username, len, &usbuf, uid)) != 0)
1210 * Give the user a private mailbox and a configuration room.
1211 * Make the latter an invisible system room.
1213 CtdlMailboxName(mailboxname, sizeof mailboxname, &usbuf, MAILROOM);
1214 CtdlCreateRoom(mailboxname, 5, "", 0, 1, 1, VIEW_MAILBOX);
1216 CtdlMailboxName(mailboxname, sizeof mailboxname, &usbuf, USERCONFIGROOM);
1217 CtdlCreateRoom(mailboxname, 5, "", 0, 1, 1, VIEW_BBS);
1218 if (CtdlGetRoomLock(&qrbuf, mailboxname) == 0) {
1219 qrbuf.QRflags2 |= QR2_SYSTEM;
1220 CtdlPutRoomLock(&qrbuf);
1223 /* Perform any create functions registered by server extensions */
1224 PerformUserHooks(&usbuf, EVT_NEWUSER);
1226 /* Everything below this line can be bypassed if administratively
1227 * creating a user, instead of doing self-service account creation
1231 /* Now become the user we just created */
1232 memcpy(&CC->user, &usbuf, sizeof(struct ctdluser));
1233 safestrncpy(CC->curr_user, username, sizeof CC->curr_user);
1236 /* Check to make sure we're still who we think we are */
1237 if (CtdlGetUser(&CC->user, CC->curr_user)) {
1238 return (ERROR + INTERNAL_ERROR);
1243 "New user account <%s> has been created, from host %s [%s].\n",
1248 CtdlAideMessage(buf, "User Creation Notice");
1249 CON_syslog(LOG_NOTICE, "New user <%s> created\n", username);
1256 * set password - back end api code
1258 void CtdlSetPassword(char *new_pw)
1260 CtdlGetUserLock(&CC->user, CC->curr_user);
1261 safestrncpy(CC->user.password, new_pw, sizeof(CC->user.password));
1262 CtdlPutUserLock(&CC->user);
1263 CON_syslog(LOG_INFO, "Password changed for user <%s>\n", CC->curr_user);
1264 PerformSessionHooks(EVT_SETPASS);
1271 * API function for cmd_invt_kick() and anything else that needs to
1272 * invite or kick out a user to/from a room.
1274 * Set iuser to the name of the user, and op to 1=invite or 0=kick
1276 int CtdlInvtKick(char *iuser, int op) {
1277 struct ctdluser USscratch;
1281 if (CtdlGetUser(&USscratch, iuser) != 0) {
1285 CtdlGetRelationship(&vbuf, &USscratch, &CC->room);
1287 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1288 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1291 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1292 vbuf.v_flags = vbuf.v_flags | V_FORGET | V_LOCKOUT;
1294 CtdlSetRelationship(&vbuf, &USscratch, &CC->room);
1296 /* post a message in Aide> saying what we just did */
1297 snprintf(bbb, sizeof bbb, "%s has been %s \"%s\" by %s.\n",
1299 ((op == 1) ? "invited to" : "kicked out of"),
1301 (CC->logged_in ? CC->user.fullname : "an administrator")
1303 CtdlAideMessage(bbb,"User Admin Message");
1310 * Forget (Zap) the current room (API call)
1311 * Returns 0 on success
1313 int CtdlForgetThisRoom(void) {
1316 /* On some systems, Admins are not allowed to forget rooms */
1317 if (is_aide() && (config.c_aide_zap == 0)
1318 && ((CC->room.QRflags & QR_MAILBOX) == 0) ) {
1322 CtdlGetUserLock(&CC->user, CC->curr_user);
1323 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1325 vbuf.v_flags = vbuf.v_flags | V_FORGET;
1326 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1328 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1329 CtdlPutUserLock(&CC->user);
1331 /* Return to the Lobby, so we don't end up in an undefined room */
1332 CtdlUserGoto(config.c_baseroom, 0, 0, NULL, NULL);
1341 * Traverse the user file...
1343 void ForEachUser(void (*CallBack) (struct ctdluser * EachUser, void *out_data),
1346 struct ctdluser usbuf;
1347 struct cdbdata *cdbus;
1349 cdb_rewind(CDB_USERS);
1351 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1352 memset(&usbuf, 0, sizeof(struct ctdluser));
1353 memcpy(&usbuf, cdbus->ptr,
1354 ((cdbus->len > sizeof(struct ctdluser)) ?
1355 sizeof(struct ctdluser) : cdbus->len));
1357 (*CallBack) (&usbuf, in_data);
1363 * List one user (this works with cmd_list)
1365 void ListThisUser(struct ctdluser *usbuf, void *data)
1369 searchstring = (char *)data;
1370 if (bmstrcasestr(usbuf->fullname, searchstring) == NULL) {
1374 if (usbuf->axlevel > AxDeleted) {
1375 if ((CC->user.axlevel >= AxAideU)
1376 || ((usbuf->flags & US_UNLISTED) == 0)
1377 || ((CC->internal_pgm))) {
1378 cprintf("%s|%d|%ld|%ld|%ld|%ld||\n",
1382 (long)usbuf->lastcall,
1393 * Count the number of new mail messages the user has
1397 int num_newmsgs = 0;
1399 num_newmsgs = CC->newmail;
1402 return (num_newmsgs);
1407 * Count the number of new mail messages the user has
1409 int InitialMailCheck()
1411 int num_newmsgs = 0;
1413 char mailboxname[ROOMNAMELEN];
1414 struct ctdlroom mailbox;
1416 struct cdbdata *cdbfr;
1417 long *msglist = NULL;
1420 CtdlMailboxName(mailboxname, sizeof mailboxname, &CC->user, MAILROOM);
1421 if (CtdlGetRoom(&mailbox, mailboxname) != 0)
1423 CtdlGetRelationship(&vbuf, &CC->user, &mailbox);
1425 cdbfr = cdb_fetch(CDB_MSGLISTS, &mailbox.QRnumber, sizeof(long));
1427 if (cdbfr != NULL) {
1428 msglist = malloc(cdbfr->len);
1429 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1430 num_msgs = cdbfr->len / sizeof(long);
1434 for (a = 0; a < num_msgs; ++a) {
1435 if (msglist[a] > 0L) {
1436 if (msglist[a] > vbuf.v_lastseen) {
1441 if (msglist != NULL)
1444 return (num_newmsgs);