2 * Server functions which perform operations on user objects.
4 * Copyright (c) 1987-2019 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.
20 #include <libcitadel.h>
23 #include "citserver.h"
25 #include "citadel_ldap.h"
26 #include "ctdl_module.h"
28 #include "internet_addressing.h"
30 /* These pipes are used to talk to the chkpwd daemon, which is forked during startup */
31 int chkpwd_write_pipe[2];
32 int chkpwd_read_pipe[2];
35 * Trim a string down to the maximum username size and return the new length
37 long cutusername(char *username) {
39 len = strlen(username);
40 if (len >= USERNAME_SIZE)
42 syslog(LOG_INFO, "Username too long: %s", username);
43 len = USERNAME_SIZE - 1;
51 * makeuserkey() - convert a username into the format used as a database key
52 * (it's just the username converted into lower case)
54 void makeuserkey(char *key, const char *username, long len) {
57 if (len >= USERNAME_SIZE)
59 syslog(LOG_INFO, "Username too long: %s", username);
60 len = USERNAME_SIZE - 1;
62 for (i=0; i<=len; ++i) {
63 key[i] = tolower(username[i]);
69 * CtdlGetUser() retrieve named user into supplied buffer.
70 * returns 0 on success
72 int CtdlGetUser(struct ctdluser *usbuf, char *name)
74 char usernamekey[USERNAME_SIZE];
75 struct cdbdata *cdbus;
76 long len = cutusername(name);
79 memset(usbuf, 0, sizeof(struct ctdluser));
82 makeuserkey(usernamekey, name, len);
83 cdbus = cdb_fetch(CDB_USERS, usernamekey, strlen(usernamekey));
85 if (cdbus == NULL) { /* user not found */
89 memcpy(usbuf, cdbus->ptr, ((cdbus->len > sizeof(struct ctdluser)) ? sizeof(struct ctdluser) : cdbus->len));
96 int CtdlLockGetCurrentUser(void)
99 return CtdlGetUser(&CCC->user, CCC->curr_user);
104 * CtdlGetUserLock() - same as getuser() but locks the record
106 int CtdlGetUserLock(struct ctdluser *usbuf, char *name)
110 retcode = CtdlGetUser(usbuf, name);
112 begin_critical_section(S_USERS);
119 * CtdlPutUser() - write user buffer into the correct place on disk
121 void CtdlPutUser(struct ctdluser *usbuf)
123 char usernamekey[USERNAME_SIZE];
125 makeuserkey(usernamekey, usbuf->fullname, cutusername(usbuf->fullname));
126 usbuf->version = REV_LEVEL;
127 cdb_store(CDB_USERS, usernamekey, strlen(usernamekey), usbuf, sizeof(struct ctdluser));
131 void CtdlPutCurrentUserLock()
133 CtdlPutUser(&CC->user);
138 * CtdlPutUserLock() - same as putuser() but locks the record
140 void CtdlPutUserLock(struct ctdluser *usbuf)
143 end_critical_section(S_USERS);
148 * rename_user() - this is tricky because the user's display name is the database key
150 * Returns 0 on success or nonzero if there was an error...
153 int rename_user(char *oldname, char *newname) {
154 int retcode = RENAMEUSER_OK;
155 struct ctdluser usbuf;
157 char oldnamekey[USERNAME_SIZE];
158 char newnamekey[USERNAME_SIZE];
160 /* Create the database keys... */
161 makeuserkey(oldnamekey, oldname, cutusername(oldname));
162 makeuserkey(newnamekey, newname, cutusername(newname));
164 /* Lock up and get going */
165 begin_critical_section(S_USERS);
167 /* We cannot rename a user who is currently logged in */
168 if (CtdlIsUserLoggedIn(oldname)) {
169 end_critical_section(S_USERS);
170 return RENAMEUSER_LOGGED_IN;
173 if (CtdlGetUser(&usbuf, newname) == 0) {
174 retcode = RENAMEUSER_ALREADY_EXISTS;
178 if (CtdlGetUser(&usbuf, oldname) != 0) {
179 retcode = RENAMEUSER_NOT_FOUND;
182 else { /* Sanity checks succeeded. Now rename the user. */
183 if (usbuf.usernum == 0)
185 syslog(LOG_DEBUG, "user_ops: can not rename user \"Citadel\".");
186 retcode = RENAMEUSER_NOT_FOUND;
188 syslog(LOG_DEBUG, "user_ops: renaming <%s> to <%s>", oldname, newname);
189 cdb_delete(CDB_USERS, oldnamekey, strlen(oldnamekey));
190 safestrncpy(usbuf.fullname, newname, sizeof usbuf.fullname);
192 cdb_store(CDB_USERSBYNUMBER, &usbuf.usernum, sizeof(long), usbuf.fullname, strlen(usbuf.fullname)+1 );
193 retcode = RENAMEUSER_OK;
199 end_critical_section(S_USERS);
205 * Index-generating function used by Ctdl[Get|Set]Relationship
207 int GenerateRelationshipIndex(char *IndexBuf,
219 TheIndex.iRoomID = RoomID;
220 TheIndex.iRoomGen = RoomGen;
221 TheIndex.iUserID = UserID;
223 memcpy(IndexBuf, &TheIndex, sizeof(TheIndex));
224 return(sizeof(TheIndex));
229 * Back end for CtdlSetRelationship()
231 void put_visit(visit *newvisit)
236 memset (IndexBuf, 0, sizeof (IndexBuf));
237 /* Generate an index */
238 IndexLen = GenerateRelationshipIndex(IndexBuf, newvisit->v_roomnum, newvisit->v_roomgen, newvisit->v_usernum);
240 /* Store the record */
241 cdb_store(CDB_VISIT, IndexBuf, IndexLen,
242 newvisit, sizeof(visit)
248 * Define a relationship between a user and a room
250 void CtdlSetRelationship(visit *newvisit,
251 struct ctdluser *rel_user,
252 struct ctdlroom *rel_room)
254 /* We don't use these in Citadel because they're implicit by the
255 * index, but they must be present if the database is exported.
257 newvisit->v_roomnum = rel_room->QRnumber;
258 newvisit->v_roomgen = rel_room->QRgen;
259 newvisit->v_usernum = rel_user->usernum;
266 * Locate a relationship between a user and a room
268 void CtdlGetRelationship(visit *vbuf,
269 struct ctdluser *rel_user,
270 struct ctdlroom *rel_room)
274 struct cdbdata *cdbvisit;
276 /* Generate an index */
277 IndexLen = GenerateRelationshipIndex(IndexBuf, rel_room->QRnumber, rel_room->QRgen, rel_user->usernum);
279 /* Clear out the buffer */
280 memset(vbuf, 0, sizeof(visit));
282 cdbvisit = cdb_fetch(CDB_VISIT, IndexBuf, IndexLen);
283 if (cdbvisit != NULL) {
284 memcpy(vbuf, cdbvisit->ptr, ((cdbvisit->len > sizeof(visit)) ? sizeof(visit) : cdbvisit->len));
288 /* If this is the first time the user has seen this room,
289 * set the view to be the default for the room.
291 vbuf->v_view = rel_room->QRdefaultview;
294 /* Set v_seen if necessary */
295 if (vbuf->v_seen[0] == 0) {
296 snprintf(vbuf->v_seen, sizeof vbuf->v_seen, "*:%ld", vbuf->v_lastseen);
301 void CtdlMailboxName(char *buf, size_t n, const struct ctdluser *who, const char *prefix)
303 snprintf(buf, n, "%010ld.%s", who->usernum, prefix);
307 void MailboxName(char *buf, size_t n, const struct ctdluser *who, const char *prefix)
309 snprintf(buf, n, "%010ld.%s", who->usernum, prefix);
314 * Check to see if the specified user has Internet mail permission
315 * (returns nonzero if permission is granted)
317 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
319 /* Do not allow twits to send Internet mail */
320 if (who->axlevel <= AxProbU) return(0);
322 /* Globally enabled? */
323 if (CtdlGetConfigInt("c_restrict") == 0) return(1);
325 /* User flagged ok? */
326 if (who->flags & US_INTERNET) return(2);
328 /* Admin level access? */
329 if (who->axlevel >= AxAideU) return(3);
331 /* No mail for you! */
337 * Convenience function.
339 int CtdlAccessCheck(int required_level)
341 if (CC->internal_pgm) return(0);
342 if (required_level >= ac_internal) {
343 cprintf("%d This is not a user-level command.\n", ERROR + HIGHER_ACCESS_REQUIRED);
347 if ((required_level >= ac_logged_in_or_guest) && (CC->logged_in == 0) && (CtdlGetConfigInt("c_guest_logins") == 0)) {
348 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
352 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
353 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
357 if (CC->user.axlevel >= AxAideU) return(0);
358 if (required_level >= ac_aide) {
359 cprintf("%d This command requires Admin access.\n",
360 ERROR + HIGHER_ACCESS_REQUIRED);
364 if (is_room_aide()) return(0);
365 if (required_level >= ac_room_aide) {
366 cprintf("%d This command requires Admin or Room Admin access.\n",
367 ERROR + HIGHER_ACCESS_REQUIRED);
371 /* shhh ... succeed quietly */
377 * Is the user currently logged in an Admin?
381 if (CC->user.axlevel >= AxAideU)
389 * Is the user currently logged in an Admin *or* the room Admin for this room?
391 int is_room_aide(void)
394 if (!CC->logged_in) {
398 if ((CC->user.axlevel >= AxAideU) || (CC->room.QRroomaide == CC->user.usernum)) {
407 * CtdlGetUserByNumber() - get user by number
408 * returns 0 if user was found
410 * Note: fetching a user this way requires one additional database operation.
412 int CtdlGetUserByNumber(struct ctdluser *usbuf, long number)
414 struct cdbdata *cdbun;
417 cdbun = cdb_fetch(CDB_USERSBYNUMBER, &number, sizeof(long));
419 syslog(LOG_INFO, "user_ops: %ld not found", number);
423 syslog(LOG_INFO, "user_ops: %ld maps to %s", number, cdbun->ptr);
424 r = CtdlGetUser(usbuf, cdbun->ptr);
431 * Helper function for rebuild_usersbynumber()
433 void rebuild_ubn_for_user(char *username, void *data) {
436 syslog(LOG_DEBUG, "user_ops: rebuilding usersbynumber index for %s", username);
437 if (CtdlGetUser(&u, username) == 0) {
438 cdb_store(CDB_USERSBYNUMBER, &(u.usernum), sizeof(long), u.fullname, strlen(u.fullname)+1);
444 * Rebuild the users-by-number index
446 void rebuild_usersbynumber(void) {
447 cdb_trunc(CDB_USERSBYNUMBER); /* delete the old indices */
448 ForEachUser(rebuild_ubn_for_user, NULL); /* enumerate the users */
453 * getuserbyuid() Get user by system uid (for PAM mode authentication)
454 * Returns 0 if user was found
455 * This now uses an extauth index.
457 int getuserbyuid(struct ctdluser *usbuf, uid_t number)
459 struct cdbdata *cdbextauth;
463 claimed_id = NewStrBuf();
464 StrBufPrintf(claimed_id, "uid:%d", number);
465 cdbextauth = cdb_fetch(CDB_EXTAUTH, ChrPtr(claimed_id), StrLength(claimed_id));
466 FreeStrBuf(&claimed_id);
467 if (cdbextauth == NULL) {
471 memcpy(&usernum, cdbextauth->ptr, sizeof(long));
472 cdb_free(cdbextauth);
474 if (!CtdlGetUserByNumber(usbuf, usernum)) {
483 * Back end for cmd_user() and its ilk
485 int CtdlLoginExistingUser(const char *trythisname)
490 syslog(LOG_DEBUG, "user_ops: CtdlLoginExistingUser(%s)", trythisname);
492 if ((CC->logged_in)) {
493 return login_already_logged_in;
496 if (trythisname == NULL) return login_not_found;
498 if (!strncasecmp(trythisname, "SYS_", 4))
500 syslog(LOG_DEBUG, "user_ops: system user \"%s\" is not allowed to log in.", trythisname);
501 return login_not_found;
504 /* Continue attempting user validation... */
505 safestrncpy(username, trythisname, sizeof (username));
508 if (IsEmptyStr(username)) {
509 return login_not_found;
512 if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_HOST) {
517 struct passwd *tempPwdPtr;
520 syslog(LOG_DEBUG, "user_ops: asking host about <%s>", username);
521 #ifdef HAVE_GETPWNAM_R
522 #ifdef SOLARIS_GETPWUID
523 syslog(LOG_DEBUG, "user_ops: calling getpwnam_r()");
524 tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer);
525 #else // SOLARIS_GETPWUID
526 syslog(LOG_DEBUG, "user_ops: calling getpwnam_r()");
527 getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
528 #endif // SOLARIS_GETPWUID
529 #else // HAVE_GETPWNAM_R
530 syslog(LOG_DEBUG, "user_ops: SHOULD NEVER GET HERE!!!");
532 #endif // HAVE_GETPWNAM_R
533 if (tempPwdPtr == NULL) {
534 syslog(LOG_DEBUG, "user_ops: no such user <%s>", username);
535 return login_not_found;
538 /* Locate the associated Citadel account. If not found, make one attempt to create it. */
539 found_user = getuserbyuid(&CC->user, pd.pw_uid);
540 if (found_user != 0) {
541 create_user(username, CREATE_USER_DO_NOT_BECOME_USER, pd.pw_uid);
542 found_user = getuserbyuid(&CC->user, pd.pw_uid);
544 syslog(LOG_DEBUG, "user_ops: found it: uid=%ld, gecos=%s here: %d", (long)pd.pw_uid, pd.pw_gecos, found_user);
549 else if ((CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP) || (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD)) {
557 found_user = CtdlTryUserLDAP(username, ldap_dn, sizeof ldap_dn, ldap_cn, sizeof ldap_cn, &ldap_uid);
558 if (found_user != 0) {
559 return login_not_found;
562 found_user = getuserbyuid(&CC->user, ldap_uid);
563 if (found_user != 0) {
564 create_user(ldap_cn, CREATE_USER_DO_NOT_BECOME_USER, ldap_uid);
565 found_user = getuserbyuid(&CC->user, ldap_uid);
568 if (found_user == 0) {
569 if (CC->ldap_dn != NULL) free(CC->ldap_dn);
570 CC->ldap_dn = strdup(ldap_dn);
577 /* native auth mode */
579 recptypes *valid = NULL;
581 /* First, try to log in as if the supplied name is a display name */
582 found_user = CtdlGetUser(&CC->user, username);
584 /* If that didn't work, try to log in as if the supplied name * is an e-mail address */
585 if (found_user != 0) {
586 valid = validate_recipients(username, NULL, 0);
588 if (valid->num_local == 1) {
589 found_user = CtdlGetUser(&CC->user, valid->recp_local);
591 free_recipients(valid);
596 /* Did we find something? */
597 if (found_user == 0) {
598 if (((CC->nologin)) && (CC->user.axlevel < AxAideU)) {
599 return login_too_many_users;
601 safestrncpy(CC->curr_user, CC->user.fullname, sizeof CC->curr_user);
605 return login_not_found;
610 * session startup code which is common to both cmd_pass() and cmd_newu()
615 syslog(LOG_NOTICE, "user_ops: <%s> logged in", CC->curr_user);
617 CtdlGetUserLock(&CC->user, CC->curr_user);
618 ++(CC->user.timescalled);
619 CC->previous_login = CC->user.lastcall;
620 time(&CC->user.lastcall);
622 /* If this user's name is the name of the system administrator
623 * (as specified in setup), automatically assign access level 6.
625 if ( (!IsEmptyStr(CtdlGetConfigStr("c_sysadm"))) && (!strcasecmp(CC->user.fullname, CtdlGetConfigStr("c_sysadm"))) ) {
626 CC->user.axlevel = AxAideU;
629 /* If we're authenticating off the host system, automatically give root the highest level of access. */
630 if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_HOST) {
631 if (CC->user.uid == 0) {
632 CC->user.axlevel = AxAideU;
635 CtdlPutUserLock(&CC->user);
637 /* If we are using LDAP authentication, extract the user's email addresses from the directory. */
639 if ((CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP) || (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD)) {
640 char new_emailaddrs[512];
641 if (CtdlGetConfigInt("c_ldap_sync_email_addrs") > 0) {
642 if (extract_email_addresses_from_ldap(CC->ldap_dn, new_emailaddrs) == 0) {
643 CtdlSetEmailAddressesForUser(CC->user.fullname, new_emailaddrs);
649 /* If the user does not have any email addresses assigned, generate one. */
650 if (IsEmptyStr(CC->user.emailaddrs)) {
651 AutoGenerateEmailAddressForUser(&CC->user);
655 * Populate cs_inet_email and cs_inet_other_emails with valid email addresses from the user record
657 strcpy(CC->cs_inet_email, CC->user.emailaddrs);
658 char *firstsep = strstr(CC->cs_inet_email, "|");
660 strcpy(CC->cs_inet_other_emails, firstsep+1);
664 CC->cs_inet_other_emails[0] = 0;
667 /* Create any personal rooms required by the system.
668 * (Technically, MAILROOM should be there already, but just in case...)
670 CtdlCreateRoom(MAILROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
671 CtdlCreateRoom(SENTITEMS, 4, "", 0, 1, 0, VIEW_MAILBOX);
672 CtdlCreateRoom(USERTRASHROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
673 CtdlCreateRoom(USERDRAFTROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
675 /* Run any startup routines registered by loadable modules */
676 PerformSessionHooks(EVT_LOGIN);
678 /* Enter the lobby */
679 CtdlUserGoto(CtdlGetConfigStr("c_baseroom"), 0, 0, NULL, NULL, NULL, NULL);
683 void logged_in_response(void)
685 cprintf("%d %s|%d|%ld|%ld|%u|%ld|%ld\n",
686 CIT_OK, CC->user.fullname, CC->user.axlevel,
687 CC->user.timescalled, CC->user.posted,
688 CC->user.flags, CC->user.usernum,
694 void CtdlUserLogout(void)
696 CitContext *CCC = MyContext();
698 syslog(LOG_DEBUG, "user_ops: CtdlUserLogout() logging out <%s> from session %d", CCC->curr_user, CCC->cs_pid);
700 /* Run any hooks registered by modules... */
701 PerformSessionHooks(EVT_LOGOUT);
704 * Clear out some session data. Most likely, the CitContext for this
705 * session is about to get nuked when the session disconnects, but
706 * since it's possible to log in again without reconnecting, we cannot
707 * make that assumption.
711 /* Check to see if the user was deleted while logged in and purge them if necessary */
712 if ((CCC->user.axlevel == AxDeleted) && (CCC->user.usernum)) {
713 purge_user(CCC->user.fullname);
716 /* Clear out the user record in memory so we don't behave like a ghost */
717 memset(&CCC->user, 0, sizeof(struct ctdluser));
718 CCC->curr_user[0] = 0;
719 CCC->cs_inet_email[0] = 0;
720 CCC->cs_inet_other_emails[0] = 0;
721 CCC->cs_inet_fn[0] = 0;
723 /* Free any output buffers */
729 * Validate a password on the host unix system by talking to the chkpwd daemon
731 static int validpw(uid_t uid, const char *pass)
736 if (IsEmptyStr(pass)) {
737 syslog(LOG_DEBUG, "user_ops: refusing to chkpwd for uid=%d with empty password", uid);
741 syslog(LOG_DEBUG, "user_ops: validating password for uid=%d using chkpwd...", uid);
743 begin_critical_section(S_CHKPWD);
744 rv = write(chkpwd_write_pipe[1], &uid, sizeof(uid_t));
746 syslog(LOG_ERR, "user_ops: communication with chkpwd broken: %m");
747 end_critical_section(S_CHKPWD);
750 rv = write(chkpwd_write_pipe[1], pass, 256);
752 syslog(LOG_ERR, "user_ops: communication with chkpwd broken: %m");
753 end_critical_section(S_CHKPWD);
756 rv = read(chkpwd_read_pipe[0], buf, 4);
758 syslog(LOG_ERR, "user_ops: ommunication with chkpwd broken: %m");
759 end_critical_section(S_CHKPWD);
762 end_critical_section(S_CHKPWD);
764 if (!strncmp(buf, "PASS", 4)) {
765 syslog(LOG_DEBUG, "user_ops: chkpwd pass");
769 syslog(LOG_DEBUG, "user_ops: chkpwd fail");
775 * Start up the chkpwd daemon so validpw() has something to talk to
777 void start_chkpwd_daemon(void) {
779 struct stat filestats;
782 syslog(LOG_DEBUG, "user_ops: starting chkpwd daemon for host authentication mode");
784 if ((stat(file_chkpwd, &filestats)==-1) || (filestats.st_size==0)) {
785 syslog(LOG_ERR, "user_ops: %s: %m", file_chkpwd);
788 if (pipe(chkpwd_write_pipe) != 0) {
789 syslog(LOG_ERR, "user_ops: unable to create pipe for chkpwd daemon: %m");
792 if (pipe(chkpwd_read_pipe) != 0) {
793 syslog(LOG_ERR, "user_ops: unable to create pipe for chkpwd daemon: %m");
798 if (chkpwd_pid < 0) {
799 syslog(LOG_ERR, "user_ops: unable to fork chkpwd daemon: %m");
802 if (chkpwd_pid == 0) {
803 dup2(chkpwd_write_pipe[0], 0);
804 dup2(chkpwd_read_pipe[1], 1);
805 for (i=2; i<256; ++i) close(i);
806 execl(file_chkpwd, file_chkpwd, NULL);
807 syslog(LOG_ERR, "user_ops: unable to exec chkpwd daemon: %m");
814 int CtdlTryPassword(const char *password, long len)
817 CitContext *CCC = CC;
819 if ((CCC->logged_in)) {
820 syslog(LOG_WARNING, "user_ops: CtdlTryPassword: already logged in");
821 return pass_already_logged_in;
823 if (!strcmp(CCC->curr_user, NLI)) {
824 syslog(LOG_WARNING, "user_ops: CtdlTryPassword: no user selected");
827 if (CtdlGetUser(&CCC->user, CCC->curr_user)) {
828 syslog(LOG_ERR, "user_ops: CtdlTryPassword: internal error");
829 return pass_internal_error;
831 if (password == NULL) {
832 syslog(LOG_INFO, "user_ops: CtdlTryPassword: NULL password string supplied");
833 return pass_wrong_password;
836 else if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_HOST) {
840 if (validpw(CCC->user.uid, password)) {
844 * sooper-seekrit hack: populate the password field in the
845 * citadel database with the password that the user typed,
846 * if it's correct. This allows most sites to convert from
847 * host auth to native auth if they want to. If you think
848 * this is a security hazard, comment it out.
851 CtdlGetUserLock(&CCC->user, CCC->curr_user);
852 safestrncpy(CCC->user.password, password, sizeof CCC->user.password);
853 CtdlPutUserLock(&CCC->user);
856 * (sooper-seekrit hack ends here)
865 else if ((CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP) || (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD)) {
869 if ((CCC->ldap_dn) && (!CtdlTryPasswordLDAP(CCC->ldap_dn, password))) {
880 /* native auth mode */
883 pw = (char*) malloc(len + 1);
884 memcpy(pw, password, len + 1);
886 strproc(CCC->user.password);
887 code = strcasecmp(CCC->user.password, pw);
890 strproc(CCC->user.password);
891 code = strcasecmp(CCC->user.password, pw);
901 syslog(LOG_WARNING, "user_ops: bad password specified for <%s> Service <%s> Port <%ld> Remote <%s / %s>",
908 return pass_wrong_password;
914 * Delete a user record *and* all of its related resources.
916 int purge_user(char pname[])
918 struct ctdluser usbuf;
919 char usernamekey[USERNAME_SIZE];
921 makeuserkey(usernamekey, pname, cutusername(pname));
923 /* If the name is empty we can't find them in the DB any way so just return */
924 if (IsEmptyStr(pname)) {
925 return(ERROR + NO_SUCH_USER);
928 if (CtdlGetUser(&usbuf, pname) != 0) {
929 syslog(LOG_ERR, "user_ops: cannot purge user <%s> - not found", pname);
930 return(ERROR + NO_SUCH_USER);
933 /* Don't delete a user who is currently logged in. Instead, just
934 * set the access level to 0, and let the account get swept up
935 * during the next purge.
937 if (CtdlIsUserLoggedInByNum(usbuf.usernum)) {
938 syslog(LOG_WARNING, "user_ops: <%s> is logged in; not deleting", pname);
939 usbuf.axlevel = AxDeleted;
944 syslog(LOG_NOTICE, "user_ops: deleting <%s>", pname);
946 /* Perform any purge functions registered by server extensions */
947 PerformUserHooks(&usbuf, EVT_PURGEUSER);
949 /* delete any existing user/room relationships */
950 cdb_delete(CDB_VISIT, &usbuf.usernum, sizeof(long));
952 /* delete the users-by-number index record */
953 cdb_delete(CDB_USERSBYNUMBER, &usbuf.usernum, sizeof(long));
955 /* delete the userlog entry */
956 cdb_delete(CDB_USERS, usernamekey, strlen(usernamekey));
962 int internal_create_user(char *username, struct ctdluser *usbuf, uid_t uid)
964 if (!CtdlGetUser(usbuf, username)) {
965 return(ERROR + ALREADY_EXISTS);
968 /* Go ahead and initialize a new user record */
969 memset(usbuf, 0, sizeof(struct ctdluser));
970 safestrncpy(usbuf->fullname, username, sizeof usbuf->fullname);
971 strcpy(usbuf->password, "");
974 /* These are the default flags on new accounts */
975 usbuf->flags = US_LASTOLD | US_DISAPPEAR | US_PAGINATOR | US_FLOORS;
977 usbuf->timescalled = 0;
979 usbuf->axlevel = CtdlGetConfigInt("c_initax");
980 usbuf->lastcall = time(NULL);
982 /* fetch a new user number */
983 usbuf->usernum = get_new_user_number();
985 /* add user to the database */
987 cdb_store(CDB_USERSBYNUMBER, &usbuf->usernum, sizeof(long), usbuf->fullname, strlen(usbuf->fullname)+1);
989 /* If non-native auth, index by uid */
990 if ((usbuf->uid > 0) && (usbuf->uid != NATIVE_AUTH_UID)) {
991 StrBuf *claimed_id = NewStrBuf();
992 StrBufPrintf(claimed_id, "uid:%d", usbuf->uid);
993 attach_extauth(usbuf, claimed_id);
994 FreeStrBuf(&claimed_id);
1002 * create_user() - back end processing to create a new user
1004 * Set 'newusername' to the desired account name.
1005 * Set 'become_user' to CREATE_USER_BECOME_USER if this is self-service account creation and we want to
1006 * actually log in as the user we just created, otherwise set it to CREATE_USER_DO_NOT_BECOME_USER
1007 * Set 'uid' to some uid_t value to associate the account with an external auth user, or (-1) for native auth
1009 int create_user(char *username, int become_user, uid_t uid)
1011 struct ctdluser usbuf;
1012 struct ctdlroom qrbuf;
1013 char mailboxname[ROOMNAMELEN];
1018 if ((retval = internal_create_user(username, &usbuf, uid)) != 0) {
1023 * Give the user a private mailbox and a configuration room.
1024 * Make the latter an invisible system room.
1026 CtdlMailboxName(mailboxname, sizeof mailboxname, &usbuf, MAILROOM);
1027 CtdlCreateRoom(mailboxname, 5, "", 0, 1, 1, VIEW_MAILBOX);
1029 CtdlMailboxName(mailboxname, sizeof mailboxname, &usbuf, USERCONFIGROOM);
1030 CtdlCreateRoom(mailboxname, 5, "", 0, 1, 1, VIEW_BBS);
1031 if (CtdlGetRoomLock(&qrbuf, mailboxname) == 0) {
1032 qrbuf.QRflags2 |= QR2_SYSTEM;
1033 CtdlPutRoomLock(&qrbuf);
1036 /* Perform any create functions registered by server extensions */
1037 PerformUserHooks(&usbuf, EVT_NEWUSER);
1039 /* Everything below this line can be bypassed if administratively
1040 * creating a user, instead of doing self-service account creation
1043 if (become_user == CREATE_USER_BECOME_USER) {
1044 /* Now become the user we just created */
1045 memcpy(&CC->user, &usbuf, sizeof(struct ctdluser));
1046 safestrncpy(CC->curr_user, username, sizeof CC->curr_user);
1049 /* Check to make sure we're still who we think we are */
1050 if (CtdlGetUser(&CC->user, CC->curr_user)) {
1051 return(ERROR + INTERNAL_ERROR);
1056 "New user account <%s> has been created, from host %s [%s].\n",
1061 CtdlAideMessage(buf, "User Creation Notice");
1062 syslog(LOG_NOTICE, "user_ops: <%s> created", username);
1068 * set password - back end api code
1070 void CtdlSetPassword(char *new_pw)
1072 CtdlGetUserLock(&CC->user, CC->curr_user);
1073 safestrncpy(CC->user.password, new_pw, sizeof(CC->user.password));
1074 CtdlPutUserLock(&CC->user);
1075 syslog(LOG_INFO, "user_ops: password changed for <%s>", CC->curr_user);
1076 PerformSessionHooks(EVT_SETPASS);
1081 * API function for cmd_invt_kick() and anything else that needs to
1082 * invite or kick out a user to/from a room.
1084 * Set iuser to the name of the user, and op to 1=invite or 0=kick
1086 int CtdlInvtKick(char *iuser, int op) {
1087 struct ctdluser USscratch;
1091 if (CtdlGetUser(&USscratch, iuser) != 0) {
1095 CtdlGetRelationship(&vbuf, &USscratch, &CC->room);
1097 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1098 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1101 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1102 vbuf.v_flags = vbuf.v_flags | V_FORGET | V_LOCKOUT;
1104 CtdlSetRelationship(&vbuf, &USscratch, &CC->room);
1106 /* post a message in Aide> saying what we just did */
1107 snprintf(bbb, sizeof bbb, "%s has been %s \"%s\" by %s.\n",
1109 ((op == 1) ? "invited to" : "kicked out of"),
1111 (CC->logged_in ? CC->user.fullname : "an administrator")
1113 CtdlAideMessage(bbb,"User Admin Message");
1119 * Forget (Zap) the current room (API call)
1120 * Returns 0 on success
1122 int CtdlForgetThisRoom(void) {
1125 /* On some systems, Admins are not allowed to forget rooms */
1126 if (is_aide() && (CtdlGetConfigInt("c_aide_zap") == 0)
1127 && ((CC->room.QRflags & QR_MAILBOX) == 0) ) {
1131 CtdlGetUserLock(&CC->user, CC->curr_user);
1132 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1134 vbuf.v_flags = vbuf.v_flags | V_FORGET;
1135 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1137 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1138 CtdlPutUserLock(&CC->user);
1140 /* Return to the Lobby, so we don't end up in an undefined room */
1141 CtdlUserGoto(CtdlGetConfigStr("c_baseroom"), 0, 0, NULL, NULL, NULL, NULL);
1147 * Traverse the user file and perform a callback for each user record.
1148 * (New improved version that runs in two phases so that callbacks can perform writes without having a r/o cursor open)
1150 void ForEachUser(void (*CallBack) (char *, void *out_data), void *in_data)
1153 char username[USERNAME_SIZE];
1157 struct cdbdata *cdbus;
1158 struct ctdluser *usptr;
1160 struct feu *usernames = NULL;
1162 int num_users_alloc = 0;
1164 cdb_rewind(CDB_USERS);
1166 // Phase 1 : load list of usernames
1167 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1168 usptr = (struct ctdluser *) cdbus->ptr;
1170 if (strlen(usptr->fullname) > 0) {
1172 if (num_users > num_users_alloc) {
1173 num_users_alloc = ((num_users_alloc == 0) ? 1 : (num_users_alloc * 2));
1174 usernames = realloc(usernames, num_users_alloc * sizeof(struct feu));
1176 strcpy(usernames[num_users-1].username, usptr->fullname);
1177 usernames[num_users-1].version = usptr->version;
1181 // Phase 2 : perform the callback for each username
1182 for (i=0; i<num_users; ++i) {
1183 //if (usernames[i].version < 927) {
1184 // FIXME This is where we will do the reindexing stuff
1186 (*CallBack) (usernames[i].username, in_data);
1194 * Count the number of new mail messages the user has
1198 int num_newmsgs = 0;
1199 num_newmsgs = CC->newmail;
1201 return(num_newmsgs);
1206 * Count the number of new mail messages the user has
1208 int InitialMailCheck()
1210 int num_newmsgs = 0;
1212 char mailboxname[ROOMNAMELEN];
1213 struct ctdlroom mailbox;
1215 struct cdbdata *cdbfr;
1216 long *msglist = NULL;
1219 CtdlMailboxName(mailboxname, sizeof mailboxname, &CC->user, MAILROOM);
1220 if (CtdlGetRoom(&mailbox, mailboxname) != 0)
1222 CtdlGetRelationship(&vbuf, &CC->user, &mailbox);
1224 cdbfr = cdb_fetch(CDB_MSGLISTS, &mailbox.QRnumber, sizeof(long));
1226 if (cdbfr != NULL) {
1227 msglist = malloc(cdbfr->len);
1228 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1229 num_msgs = cdbfr->len / sizeof(long);
1233 for (a = 0; a < num_msgs; ++a) {
1234 if (msglist[a] > 0L) {
1235 if (msglist[a] > vbuf.v_lastseen) {
1240 if (msglist != NULL)
1243 return(num_newmsgs);