4 * Server functions which perform operations on user objects.
17 #include <sys/types.h>
19 #ifdef HAVE_SYS_STAT_H
23 #if TIME_WITH_SYS_TIME
24 # include <sys/time.h>
28 # include <sys/time.h>
36 #include <libcitadel.h>
42 #include "sysdep_decls.h"
49 #include "citserver.h"
50 #include "citadel_dirs.h"
54 /* These pipes are used to talk to the chkpwd daemon, which is forked during startup */
55 int chkpwd_write_pipe[2];
56 int chkpwd_read_pipe[2];
59 * makeuserkey() - convert a username into the format used as a database key
60 * (it's just the username converted into lower case)
62 static INLINE void makeuserkey(char *key, char *username) {
65 len = strlen(username);
66 if (len >= USERNAME_SIZE)
68 lprintf (CTDL_EMERG, "Username to long: %s", username);
70 len = USERNAME_SIZE - 1;
71 username[USERNAME_SIZE - 1]='\0';
73 for (i=0; i<=len; ++i) {
74 key[i] = tolower(username[i]);
80 * getuser() - retrieve named user into supplied buffer.
81 * returns 0 on success
83 int getuser(struct ctdluser *usbuf, char name[])
86 char usernamekey[USERNAME_SIZE];
87 struct cdbdata *cdbus;
90 memset(usbuf, 0, sizeof(struct ctdluser));
93 makeuserkey(usernamekey, name);
94 cdbus = cdb_fetch(CDB_USERS, usernamekey, strlen(usernamekey));
96 if (cdbus == NULL) { /* user not found */
100 memcpy(usbuf, cdbus->ptr,
101 ((cdbus->len > sizeof(struct ctdluser)) ?
102 sizeof(struct ctdluser) : cdbus->len));
111 * lgetuser() - same as getuser() but locks the record
113 int lgetuser(struct ctdluser *usbuf, char *name)
117 retcode = getuser(usbuf, name);
119 begin_critical_section(S_USERS);
126 * putuser() - write user buffer into the correct place on disk
128 void putuser(struct ctdluser *usbuf)
130 char usernamekey[USERNAME_SIZE];
132 makeuserkey(usernamekey, usbuf->fullname);
134 usbuf->version = REV_LEVEL;
136 usernamekey, strlen(usernamekey),
137 usbuf, sizeof(struct ctdluser));
143 * lputuser() - same as putuser() but locks the record
145 void lputuser(struct ctdluser *usbuf)
148 end_critical_section(S_USERS);
152 * Index-generating function used by Ctdl[Get|Set]Relationship
154 int GenerateRelationshipIndex(char *IndexBuf,
166 TheIndex.iRoomID = RoomID;
167 TheIndex.iRoomGen = RoomGen;
168 TheIndex.iUserID = UserID;
170 memcpy(IndexBuf, &TheIndex, sizeof(TheIndex));
171 return (sizeof(TheIndex));
177 * Back end for CtdlSetRelationship()
179 void put_visit(struct visit *newvisit)
184 memset (IndexBuf, 0, sizeof (IndexBuf));
185 /* Generate an index */
186 IndexLen = GenerateRelationshipIndex(IndexBuf,
189 newvisit->v_usernum);
191 /* Store the record */
192 cdb_store(CDB_VISIT, IndexBuf, IndexLen,
193 newvisit, sizeof(struct visit)
201 * Define a relationship between a user and a room
203 void CtdlSetRelationship(struct visit *newvisit,
204 struct ctdluser *rel_user,
205 struct ctdlroom *rel_room)
209 /* We don't use these in Citadel because they're implicit by the
210 * index, but they must be present if the database is exported.
212 newvisit->v_roomnum = rel_room->QRnumber;
213 newvisit->v_roomgen = rel_room->QRgen;
214 newvisit->v_usernum = rel_user->usernum;
220 * Locate a relationship between a user and a room
222 void CtdlGetRelationship(struct visit *vbuf,
223 struct ctdluser *rel_user,
224 struct ctdlroom *rel_room)
229 struct cdbdata *cdbvisit;
231 /* Generate an index */
232 IndexLen = GenerateRelationshipIndex(IndexBuf,
237 /* Clear out the buffer */
238 memset(vbuf, 0, sizeof(struct visit));
240 cdbvisit = cdb_fetch(CDB_VISIT, IndexBuf, IndexLen);
241 if (cdbvisit != NULL) {
242 memcpy(vbuf, cdbvisit->ptr,
243 ((cdbvisit->len > sizeof(struct visit)) ?
244 sizeof(struct visit) : cdbvisit->len));
248 /* If this is the first time the user has seen this room,
249 * set the view to be the default for the room.
251 vbuf->v_view = rel_room->QRdefaultview;
254 /* Set v_seen if necessary */
255 if (vbuf->v_seen[0] == 0) {
256 snprintf(vbuf->v_seen, sizeof vbuf->v_seen, "*:%ld", vbuf->v_lastseen);
261 void MailboxName(char *buf, size_t n, const struct ctdluser *who, const char *prefix)
263 snprintf(buf, n, "%010ld.%s", who->usernum, prefix);
268 * Is the user currently logged in an Aide?
272 if (CC->user.axlevel >= 6)
280 * Is the user currently logged in an Aide *or* the room aide for this room?
282 int is_room_aide(void)
285 if (!CC->logged_in) {
289 if ((CC->user.axlevel >= 6)
290 || (CC->room.QRroomaide == CC->user.usernum)) {
298 * getuserbynumber() - get user by number
299 * returns 0 if user was found
301 * WARNING: don't use this function unless you absolutely have to. It does
302 * a sequential search and therefore is computationally expensive.
304 int getuserbynumber(struct ctdluser *usbuf, long int number)
306 struct cdbdata *cdbus;
308 cdb_rewind(CDB_USERS);
310 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
311 memset(usbuf, 0, sizeof(struct ctdluser));
312 memcpy(usbuf, cdbus->ptr,
313 ((cdbus->len > sizeof(struct ctdluser)) ?
314 sizeof(struct ctdluser) : cdbus->len));
316 if (usbuf->usernum == number) {
317 cdb_close_cursor(CDB_USERS);
326 * getuserbyuid() - get user by system uid (for PAM mode authentication)
327 * returns 0 if user was found
329 * WARNING: don't use this function unless you absolutely have to. It does
330 * a sequential search and therefore is computationally expensive.
332 int getuserbyuid(struct ctdluser *usbuf, uid_t number)
334 struct cdbdata *cdbus;
336 cdb_rewind(CDB_USERS);
338 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
339 memset(usbuf, 0, sizeof(struct ctdluser));
340 memcpy(usbuf, cdbus->ptr,
341 ((cdbus->len > sizeof(struct ctdluser)) ?
342 sizeof(struct ctdluser) : cdbus->len));
344 if (usbuf->uid == number) {
345 cdb_close_cursor(CDB_USERS);
353 * Back end for cmd_user() and its ilk
355 * NOTE: "authname" should only be used if we are attempting to use the "master user" feature
357 int CtdlLoginExistingUser(char *authname, char *trythisname)
362 lprintf(9, "CtdlLoginExistingUser(%s, %s)\n", authname, trythisname);
364 if ((CC->logged_in)) {
365 return login_already_logged_in;
368 if (trythisname == NULL) return login_not_found;
370 /* If a "master user" is defined, handle its authentication if specified */
372 if (strlen(config.c_master_user) > 0) if (strlen(config.c_master_pass) > 0) if (authname) {
373 if (!strcasecmp(authname, config.c_master_user)) {
378 /* Continue attempting user validation... */
379 safestrncpy(username, trythisname, USERNAME_SIZE);
382 if (IsEmptyStr(username)) {
383 return login_not_found;
386 if (config.c_auth_mode == AUTHMODE_HOST) {
391 struct passwd *tempPwdPtr;
394 lprintf(CTDL_DEBUG, "asking host about <%s>\n", username);
395 #ifdef HAVE_GETPWNAM_R
396 #ifdef SOLARIS_GETPWUID
397 lprintf(CTDL_DEBUG, "Calling getpwnam_r()\n");
398 tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer);
399 #else // SOLARIS_GETPWUID
400 lprintf(CTDL_DEBUG, "Calling getpwnam_r()\n");
401 getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
402 #endif // SOLARIS_GETPWUID
403 #else // HAVE_GETPWNAM_R
404 lprintf(CTDL_DEBUG, "SHOULD NEVER GET HERE!!!\n");
406 #endif // HAVE_GETPWNAM_R
407 if (tempPwdPtr == NULL) {
408 lprintf(CTDL_DEBUG, "no such user <%s>\n", username);
409 return login_not_found;
412 /* Locate the associated Citadel account.
413 * If not found, make one attempt to create it.
415 found_user = getuserbyuid(&CC->user, pd.pw_uid);
416 lprintf(CTDL_DEBUG, "found it: uid=%ld, gecos=%s here: %ld\n", (long)pd.pw_uid, pd.pw_gecos, found_user);
417 if (found_user != 0) {
418 create_user(username, 0);
419 found_user = getuserbyuid(&CC->user, pd.pw_uid);
425 /* native auth mode */
427 struct recptypes *valid = NULL;
429 /* First, try to log in as if the supplied name is a display name */
430 found_user = getuser(&CC->user, username);
432 /* If that didn't work, try to log in as if the supplied name
433 * is an e-mail address
435 if (found_user != 0) {
436 valid = validate_recipients(username, NULL, 0);
438 if (valid->num_local == 1) {
439 found_user = getuser(&CC->user, valid->recp_local);
441 free_recipients(valid);
446 /* Did we find something? */
447 if (found_user == 0) {
448 if (((CC->nologin)) && (CC->user.axlevel < 6)) {
449 return login_too_many_users;
451 safestrncpy(CC->curr_user, CC->user.fullname,
452 sizeof CC->curr_user);
456 return login_not_found;
464 void cmd_user(char *cmdbuf)
469 extract_token(username, cmdbuf, 0, '|', sizeof username);
472 a = CtdlLoginExistingUser(NULL, username);
474 case login_already_logged_in:
475 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
477 case login_too_many_users:
479 "Too many users are already online "
481 ERROR + MAX_SESSIONS_EXCEEDED,
482 config.c_nodename, config.c_maxsessions);
485 cprintf("%d Password required for %s\n",
486 MORE_DATA, CC->curr_user);
488 case login_not_found:
489 cprintf("%d %s not found.\n", ERROR + NO_SUCH_USER, username);
492 cprintf("%d Internal error\n", ERROR + INTERNAL_ERROR);
499 * session startup code which is common to both cmd_pass() and cmd_newu()
501 void session_startup(void)
505 lprintf(CTDL_NOTICE, "<%s> logged in\n", CC->curr_user);
507 lgetuser(&CC->user, CC->curr_user);
508 ++(CC->user.timescalled);
509 CC->previous_login = CC->user.lastcall;
510 time(&CC->user.lastcall);
512 /* If this user's name is the name of the system administrator
513 * (as specified in setup), automatically assign access level 6.
515 if (!strcasecmp(CC->user.fullname, config.c_sysadm)) {
516 CC->user.axlevel = 6;
519 /* If we're authenticating off the host system, automatically give
520 * root the highest level of access.
522 if (config.c_auth_mode == AUTHMODE_HOST) {
523 if (CC->user.uid == 0) {
524 CC->user.axlevel = 6;
531 * Populate CC->cs_inet_email with a default address. This will be
532 * overwritten with the user's directory address, if one exists, when
533 * the vCard module's login hook runs.
535 snprintf(CC->cs_inet_email, sizeof CC->cs_inet_email, "%s@%s",
536 CC->user.fullname, config.c_fqdn);
537 for (i=0; !IsEmptyStr(&CC->cs_inet_email[i]); ++i) {
538 if (isspace(CC->cs_inet_email[i])) {
539 CC->cs_inet_email[i] = '_';
543 /* Create any personal rooms required by the system.
544 * (Technically, MAILROOM should be there already, but just in case...)
546 create_room(MAILROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
547 create_room(SENTITEMS, 4, "", 0, 1, 0, VIEW_MAILBOX);
548 create_room(USERTRASHROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
550 /* Run any startup routines registered by loadable modules */
551 PerformSessionHooks(EVT_LOGIN);
553 /* Enter the lobby */
554 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
558 void logged_in_response(void)
560 cprintf("%d %s|%d|%ld|%ld|%u|%ld|%ld\n",
561 CIT_OK, CC->user.fullname, CC->user.axlevel,
562 CC->user.timescalled, CC->user.posted,
563 CC->user.flags, CC->user.usernum,
570 * misc things to be taken care of when a user is logged out
572 void logout(struct CitContext *who)
575 * Clear out some session data. Most likely, the CitContext for this
576 * session is about to get nuked when the session disconnects, but
577 * since it's possible to log in again without reconnecting, we cannot
578 * make that assumption.
580 strcpy(who->fake_username, "");
581 strcpy(who->fake_hostname, "");
582 strcpy(who->fake_roomname, "");
586 * If there is a download in progress, abort it.
588 if (who->download_fp != NULL) {
589 fclose(who->download_fp);
590 who->download_fp = NULL;
594 * If there is an upload in progress, abort it.
596 if (who->upload_fp != NULL) {
601 * If we were talking to a network node, we're not anymore...
603 if (!IsEmptyStr(who->net_node)) {
604 network_talking_to(who->net_node, NTT_REMOVE);
607 /* Do modular stuff... */
608 PerformSessionHooks(EVT_LOGOUT);
610 /* Check to see if the user was deleted whilst logged in and purge them if necessary */
611 if (who->user.axlevel == 0)
612 purge_user(who->user.fullname);
614 /* Free any output buffers */
615 if (who->output_buffer != NULL) {
621 * Validate a password on the host unix system by talking to the chkpwd daemon
623 static int validpw(uid_t uid, const char *pass)
627 lprintf(CTDL_DEBUG, "Validating password for uid=%d using chkpwd...\n", uid);
629 begin_critical_section(S_CHKPWD);
630 write(chkpwd_write_pipe[1], &uid, sizeof(uid_t));
631 write(chkpwd_write_pipe[1], pass, 256);
632 read(chkpwd_read_pipe[0], buf, 4);
633 end_critical_section(S_CHKPWD);
635 if (!strncmp(buf, "PASS", 4)) {
636 lprintf(CTDL_DEBUG, "...pass\n");
640 lprintf(CTDL_DEBUG, "...fail\n");
645 * Start up the chkpwd daemon so validpw() has something to talk to
647 void start_chkpwd_daemon(void) {
649 struct stat filestats;
652 lprintf(CTDL_DEBUG, "Starting chkpwd daemon for host authentication mode\n");
654 if ((stat(file_chkpwd, &filestats)==-1) ||
655 (filestats.st_size==0)){
656 printf("didn't find chkpwd daemon in %s: %s\n", file_chkpwd, strerror(errno));
659 if (pipe(chkpwd_write_pipe) != 0) {
660 lprintf(CTDL_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
663 if (pipe(chkpwd_read_pipe) != 0) {
664 lprintf(CTDL_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
669 if (chkpwd_pid < 0) {
670 lprintf(CTDL_EMERG, "Unable to fork chkpwd daemon: %s\n", strerror(errno));
673 if (chkpwd_pid == 0) {
674 lprintf(CTDL_DEBUG, "Now calling dup2() write\n");
675 dup2(chkpwd_write_pipe[0], 0);
676 lprintf(CTDL_DEBUG, "Now calling dup2() write\n");
677 dup2(chkpwd_read_pipe[1], 1);
678 lprintf(CTDL_DEBUG, "Now closing stuff\n");
679 for (i=2; i<256; ++i) close(i);
680 lprintf(CTDL_DEBUG, "Now calling execl(%s)\n", file_chkpwd);
681 execl(file_chkpwd, file_chkpwd, NULL);
682 lprintf(CTDL_EMERG, "Unable to exec chkpwd daemon: %s\n", strerror(errno));
696 int CtdlTryPassword(char *password)
700 if ((CC->logged_in)) {
701 lprintf(CTDL_WARNING, "CtdlTryPassword: already logged in\n");
702 return pass_already_logged_in;
704 if (!strcmp(CC->curr_user, NLI)) {
705 lprintf(CTDL_WARNING, "CtdlTryPassword: no user selected\n");
708 if (getuser(&CC->user, CC->curr_user)) {
709 lprintf(CTDL_ERR, "CtdlTryPassword: internal error\n");
710 return pass_internal_error;
712 if (password == NULL) {
713 lprintf(CTDL_INFO, "CtdlTryPassword: NULL password string supplied\n");
714 return pass_wrong_password;
719 code = strcmp(password, config.c_master_pass);
722 else if (config.c_auth_mode == AUTHMODE_HOST) {
726 if (validpw(CC->user.uid, password)) {
730 * sooper-seekrit hack: populate the password field in the
731 * citadel database with the password that the user typed,
732 * if it's correct. This allows most sites to convert from
733 * host auth to native auth if they want to. If you think
734 * this is a security hazard, comment it out.
737 lgetuser(&CC->user, CC->curr_user);
738 safestrncpy(CC->user.password, password, sizeof CC->user.password);
742 * (sooper-seekrit hack ends here)
753 /* native auth mode */
756 strproc(CC->user.password);
757 code = strcasecmp(CC->user.password, password);
759 strproc(CC->user.password);
760 code = strcasecmp(CC->user.password, password);
767 lprintf(CTDL_WARNING, "Bad password specified for <%s>\n", CC->curr_user);
768 return pass_wrong_password;
773 void cmd_pass(char *buf)
778 extract_token(password, buf, 0, '|', sizeof password);
779 a = CtdlTryPassword(password);
782 case pass_already_logged_in:
783 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
786 cprintf("%d You must send a name with USER first.\n",
787 ERROR + USERNAME_REQUIRED);
789 case pass_wrong_password:
790 cprintf("%d Wrong password.\n", ERROR + PASSWORD_REQUIRED);
793 logged_in_response();
801 * Delete a user record *and* all of its related resources.
803 int purge_user(char pname[])
806 struct ctdluser usbuf;
807 char usernamekey[USERNAME_SIZE];
808 struct CitContext *ccptr;
809 int user_is_logged_in = 0;
811 makeuserkey(usernamekey, pname);
813 if (getuser(&usbuf, pname) != 0) {
814 lprintf(CTDL_ERR, "Cannot purge user <%s> - not found\n", pname);
815 return (ERROR + NO_SUCH_USER);
817 /* Don't delete a user who is currently logged in. Instead, just
818 * set the access level to 0, and let the account get swept up
819 * during the next purge.
821 user_is_logged_in = 0;
822 begin_critical_section(S_SESSION_TABLE);
823 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
824 if (ccptr->user.usernum == usbuf.usernum) {
825 user_is_logged_in = 1;
828 end_critical_section(S_SESSION_TABLE);
829 if (user_is_logged_in == 1) {
830 lprintf(CTDL_WARNING, "User <%s> is logged in; not deleting.\n", pname);
835 lprintf(CTDL_NOTICE, "Deleting user <%s>\n", pname);
837 /* Perform any purge functions registered by server extensions */
838 PerformUserHooks(&usbuf, EVT_PURGEUSER);
840 /* delete any existing user/room relationships */
841 cdb_delete(CDB_VISIT, &usbuf.usernum, sizeof(long));
843 /* delete the userlog entry */
844 cdb_delete(CDB_USERS, usernamekey, strlen(usernamekey));
846 /* remove the user's bio file */
854 /* remove the user's picture */
867 * create_user() - back end processing to create a new user
869 * Set 'newusername' to the desired account name.
870 * Set 'become_user' to nonzero if this is self-service account creation and we want
871 * to actually log in as the user we just created, otherwise set it to 0.
873 int create_user(char *newusername, int become_user)
875 struct ctdluser usbuf;
876 struct ctdlroom qrbuf;
878 char mailboxname[ROOMNAMELEN];
882 safestrncpy(username, newusername, sizeof username);
885 if (config.c_auth_mode == AUTHMODE_HOST) {
890 struct passwd *tempPwdPtr;
893 #ifdef HAVE_GETPWNAM_R
894 #ifdef SOLARIS_GETPWUID
895 tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof(pwdbuffer));
896 #else // SOLARIS_GETPWUID
897 getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
898 #endif // SOLARIS_GETPWUID
899 #else // HAVE_GETPWNAM_R
901 #endif // HAVE_GETPWNAM_R
902 if (tempPwdPtr != NULL) {
903 extract_token(username, pd.pw_gecos, 0, ',', sizeof username);
905 if (IsEmptyStr (username))
908 "Can't find Realname for user %s [%d] in the Host Auth Database; giving up.\n",
909 newusername, pd.pw_uid);
911 "Can't find Realname for user %s [%d] in the Host Auth Database; giving up.\n",
912 newusername, pd.pw_uid);
913 aide_message(buf, "User Creation Failure Notice");
918 return (ERROR + NO_SUCH_USER);
922 if (!getuser(&usbuf, username)) {
923 return (ERROR + ALREADY_EXISTS);
926 /* Go ahead and initialize a new user record */
927 memset(&usbuf, 0, sizeof(struct ctdluser));
928 safestrncpy(usbuf.fullname, username, sizeof usbuf.fullname);
929 strcpy(usbuf.password, "");
932 /* These are the default flags on new accounts */
933 usbuf.flags = US_LASTOLD | US_DISAPPEAR | US_PAGINATOR | US_FLOORS;
935 usbuf.timescalled = 0;
937 usbuf.axlevel = config.c_initax;
938 usbuf.USscreenwidth = 80;
939 usbuf.USscreenheight = 24;
940 usbuf.lastcall = time(NULL);
942 /* fetch a new user number */
943 usbuf.usernum = get_new_user_number();
945 /* The very first user created on the system will always be an Aide */
946 if (usbuf.usernum == 1L) {
950 /* add user to userlog */
954 * Give the user a private mailbox and a configuration room.
955 * Make the latter an invisible system room.
957 MailboxName(mailboxname, sizeof mailboxname, &usbuf, MAILROOM);
958 create_room(mailboxname, 5, "", 0, 1, 1, VIEW_MAILBOX);
960 MailboxName(mailboxname, sizeof mailboxname, &usbuf, USERCONFIGROOM);
961 create_room(mailboxname, 5, "", 0, 1, 1, VIEW_BBS);
962 if (lgetroom(&qrbuf, mailboxname) == 0) {
963 qrbuf.QRflags2 |= QR2_SYSTEM;
967 /* Perform any create functions registered by server extensions */
968 PerformUserHooks(&usbuf, EVT_NEWUSER);
970 /* Everything below this line can be bypassed if administratively
971 * creating a user, instead of doing self-service account creation
975 /* Now become the user we just created */
976 memcpy(&CC->user, &usbuf, sizeof(struct ctdluser));
977 safestrncpy(CC->curr_user, username, sizeof CC->curr_user);
980 /* Check to make sure we're still who we think we are */
981 if (getuser(&CC->user, CC->curr_user)) {
982 return (ERROR + INTERNAL_ERROR);
987 "New user account <%s> has been created, from host %s [%s].\n",
992 aide_message(buf, "User Creation Notice");
993 lprintf(CTDL_NOTICE, "New user <%s> created\n", username);
1001 * cmd_newu() - create a new user account and log in as that user
1003 void cmd_newu(char *cmdbuf)
1008 if (config.c_auth_mode != AUTHMODE_NATIVE) {
1009 cprintf("%d This system does not use native mode authentication.\n",
1014 if (config.c_disable_newu) {
1015 cprintf("%d Self-service user account creation "
1016 "is disabled on this system.\n", ERROR + NOT_HERE);
1020 if (CC->logged_in) {
1021 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
1025 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
1026 ERROR + MAX_SESSIONS_EXCEEDED,
1027 config.c_nodename, config.c_maxsessions);
1029 extract_token(username, cmdbuf, 0, '|', sizeof username);
1033 if (IsEmptyStr(username)) {
1034 cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
1038 if ((!strcasecmp(username, "bbs")) ||
1039 (!strcasecmp(username, "new")) ||
1040 (!strcasecmp(username, "."))) {
1041 cprintf("%d '%s' is an invalid login name.\n", ERROR + ILLEGAL_VALUE, username);
1045 a = create_user(username, 1);
1049 logged_in_response();
1050 } else if (a == ERROR + ALREADY_EXISTS) {
1051 cprintf("%d '%s' already exists.\n",
1052 ERROR + ALREADY_EXISTS, username);
1054 } else if (a == ERROR + INTERNAL_ERROR) {
1055 cprintf("%d Internal error - user record disappeared?\n",
1056 ERROR + INTERNAL_ERROR);
1059 cprintf("%d unknown error\n", ERROR + INTERNAL_ERROR);
1068 void cmd_setp(char *new_pw)
1070 if (CtdlAccessCheck(ac_logged_in)) {
1073 if ( (CC->user.uid != CTDLUID) && (CC->user.uid != (-1)) ) {
1074 cprintf("%d Not allowed. Use the 'passwd' command.\n", ERROR + NOT_HERE);
1077 if (CC->is_master) {
1078 cprintf("%d The master prefix password cannot be changed with this command.\n",
1083 if (IsEmptyStr(new_pw)) {
1084 cprintf("%d Password unchanged.\n", CIT_OK);
1087 lgetuser(&CC->user, CC->curr_user);
1088 safestrncpy(CC->user.password, new_pw, sizeof(CC->user.password));
1089 lputuser(&CC->user);
1090 cprintf("%d Password changed.\n", CIT_OK);
1091 lprintf(CTDL_INFO, "Password changed for user <%s>\n", CC->curr_user);
1092 PerformSessionHooks(EVT_SETPASS);
1097 * cmd_creu() - administratively create a new user account (do not log in to it)
1099 void cmd_creu(char *cmdbuf)
1104 struct ctdluser tmp;
1106 if (CtdlAccessCheck(ac_aide)) {
1110 extract_token(username, cmdbuf, 0, '|', sizeof username);
1111 extract_token(password, cmdbuf, 1, '|', sizeof password);
1117 if (IsEmptyStr(username)) {
1118 cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
1122 a = create_user(username, 0);
1125 if (!IsEmptyStr(password)) {
1126 lgetuser(&tmp, username);
1127 safestrncpy(tmp.password, password, sizeof(tmp.password));
1130 cprintf("%d User '%s' created %s.\n", CIT_OK, username,
1131 (!IsEmptyStr(password)) ? "and password set" :
1132 "with no password");
1134 } else if (a == ERROR + ALREADY_EXISTS) {
1135 cprintf("%d '%s' already exists.\n", ERROR + ALREADY_EXISTS, username);
1137 } else if ( (config.c_auth_mode != AUTHMODE_NATIVE) && (a == ERROR + NO_SUCH_USER) ) {
1138 cprintf("%d User accounts are not created within Citadel in host authentication mode.\n",
1139 ERROR + NO_SUCH_USER);
1142 cprintf("%d An error occurred creating the user account.\n", ERROR + INTERNAL_ERROR);
1149 * get user parameters
1154 if (CtdlAccessCheck(ac_logged_in))
1157 getuser(&CC->user, CC->curr_user);
1158 cprintf("%d %d|%d|%d|\n",
1160 CC->user.USscreenwidth,
1161 CC->user.USscreenheight,
1162 (CC->user.flags & US_USER_SET)
1167 * set user parameters
1169 void cmd_setu(char *new_parms)
1171 if (CtdlAccessCheck(ac_logged_in))
1174 if (num_parms(new_parms) < 3) {
1175 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
1178 lgetuser(&CC->user, CC->curr_user);
1179 CC->user.USscreenwidth = extract_int(new_parms, 0);
1180 CC->user.USscreenheight = extract_int(new_parms, 1);
1181 CC->user.flags = CC->user.flags & (~US_USER_SET);
1182 CC->user.flags = CC->user.flags |
1183 (extract_int(new_parms, 2) & US_USER_SET);
1185 lputuser(&CC->user);
1186 cprintf("%d Ok\n", CIT_OK);
1190 * set last read pointer
1192 void cmd_slrp(char *new_ptr)
1196 struct visit original_vbuf;
1198 if (CtdlAccessCheck(ac_logged_in)) {
1202 if (!strncasecmp(new_ptr, "highest", 7)) {
1203 newlr = CC->room.QRhighest;
1205 newlr = atol(new_ptr);
1208 lgetuser(&CC->user, CC->curr_user);
1210 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1211 memcpy(&original_vbuf, &vbuf, sizeof(struct visit));
1212 vbuf.v_lastseen = newlr;
1213 snprintf(vbuf.v_seen, sizeof vbuf.v_seen, "*:%ld", newlr);
1215 /* Only rewrite the record if it changed */
1216 if ( (vbuf.v_lastseen != original_vbuf.v_lastseen)
1217 || (strcmp(vbuf.v_seen, original_vbuf.v_seen)) ) {
1218 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1221 lputuser(&CC->user);
1222 cprintf("%d %ld\n", CIT_OK, newlr);
1226 void cmd_seen(char *argbuf) {
1227 long target_msgnum = 0L;
1228 int target_setting = 0;
1230 if (CtdlAccessCheck(ac_logged_in)) {
1234 if (num_parms(argbuf) != 2) {
1235 cprintf("%d Invalid parameters\n", ERROR + ILLEGAL_VALUE);
1239 target_msgnum = extract_long(argbuf, 0);
1240 target_setting = extract_int(argbuf, 1);
1242 CtdlSetSeen(&target_msgnum, 1, target_setting,
1243 ctdlsetseen_seen, NULL, NULL);
1244 cprintf("%d OK\n", CIT_OK);
1248 void cmd_gtsn(char *argbuf) {
1251 if (CtdlAccessCheck(ac_logged_in)) {
1255 CtdlGetSeen(buf, ctdlsetseen_seen);
1256 cprintf("%d %s\n", CIT_OK, buf);
1261 * API function for cmd_invt_kick() and anything else that needs to
1262 * invite or kick out a user to/from a room.
1264 * Set iuser to the name of the user, and op to 1=invite or 0=kick
1266 int CtdlInvtKick(char *iuser, int op) {
1267 struct ctdluser USscratch;
1271 if (getuser(&USscratch, iuser) != 0) {
1275 CtdlGetRelationship(&vbuf, &USscratch, &CC->room);
1277 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1278 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1281 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1282 vbuf.v_flags = vbuf.v_flags | V_FORGET | V_LOCKOUT;
1284 CtdlSetRelationship(&vbuf, &USscratch, &CC->room);
1286 /* post a message in Aide> saying what we just did */
1287 snprintf(bbb, sizeof bbb, "%s has been %s \"%s\" by %s.\n",
1289 ((op == 1) ? "invited to" : "kicked out of"),
1292 aide_message(bbb,"User Admin Message");
1299 * INVT and KICK commands
1301 void cmd_invt_kick(char *iuser, int op) {
1304 * These commands are only allowed by aides, room aides,
1305 * and room namespace owners
1308 || (atol(CC->room.QRname) == CC->user.usernum) ) {
1309 /* access granted */
1312 cprintf("%d Higher access or room ownership required.\n",
1313 ERROR + HIGHER_ACCESS_REQUIRED);
1317 if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1319 cprintf("%d Can't add/remove users from this room.\n",
1324 if (CtdlInvtKick(iuser, op) != 0) {
1325 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1329 cprintf("%d %s %s %s.\n",
1331 ((op == 1) ? "invited to" : "kicked out of"),
1338 * Forget (Zap) the current room (API call)
1339 * Returns 0 on success
1341 int CtdlForgetThisRoom(void) {
1344 /* On some systems, Aides are not allowed to forget rooms */
1345 if (is_aide() && (config.c_aide_zap == 0)
1346 && ((CC->room.QRflags & QR_MAILBOX) == 0) ) {
1350 lgetuser(&CC->user, CC->curr_user);
1351 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1353 vbuf.v_flags = vbuf.v_flags | V_FORGET;
1354 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1356 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1357 lputuser(&CC->user);
1359 /* Return to the Lobby, so we don't end up in an undefined room */
1360 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
1367 * forget (Zap) the current room
1372 if (CtdlAccessCheck(ac_logged_in)) {
1376 if (CtdlForgetThisRoom() == 0) {
1377 cprintf("%d Ok\n", CIT_OK);
1380 cprintf("%d You may not forget this room.\n", ERROR + NOT_HERE);
1385 * Get Next Unregistered User
1389 struct cdbdata *cdbus;
1390 struct ctdluser usbuf;
1392 if (CtdlAccessCheck(ac_aide)) {
1396 if ((CitControl.MMflags & MM_VALID) == 0) {
1397 cprintf("%d There are no unvalidated users.\n", CIT_OK);
1401 /* There are unvalidated users. Traverse the user database,
1402 * and return the first user we find that needs validation.
1404 cdb_rewind(CDB_USERS);
1405 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1406 memset(&usbuf, 0, sizeof(struct ctdluser));
1407 memcpy(&usbuf, cdbus->ptr,
1408 ((cdbus->len > sizeof(struct ctdluser)) ?
1409 sizeof(struct ctdluser) : cdbus->len));
1411 if ((usbuf.flags & US_NEEDVALID)
1412 && (usbuf.axlevel > 0)) {
1413 cprintf("%d %s\n", MORE_DATA, usbuf.fullname);
1414 cdb_close_cursor(CDB_USERS);
1419 /* If we get to this point, there are no more unvalidated users.
1420 * Therefore we clear the "users need validation" flag.
1423 begin_critical_section(S_CONTROL);
1425 CitControl.MMflags = CitControl.MMflags & (~MM_VALID);
1427 end_critical_section(S_CONTROL);
1428 cprintf("%d *** End of registration.\n", CIT_OK);
1437 void cmd_vali(char *v_args)
1441 struct ctdluser userbuf;
1443 extract_token(user, v_args, 0, '|', sizeof user);
1444 newax = extract_int(v_args, 1);
1446 if (CtdlAccessCheck(ac_aide)) {
1450 if (lgetuser(&userbuf, user) != 0) {
1451 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, user);
1455 userbuf.axlevel = newax;
1456 userbuf.flags = (userbuf.flags & ~US_NEEDVALID);
1460 /* If the access level was set to zero, delete the user */
1462 if (purge_user(user) == 0) {
1463 cprintf("%d %s Deleted.\n", CIT_OK, userbuf.fullname);
1467 cprintf("%d User '%s' validated.\n", CIT_OK, userbuf.fullname);
1473 * Traverse the user file...
1475 void ForEachUser(void (*CallBack) (struct ctdluser * EachUser, void *out_data),
1478 struct ctdluser usbuf;
1479 struct cdbdata *cdbus;
1481 cdb_rewind(CDB_USERS);
1483 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1484 memset(&usbuf, 0, sizeof(struct ctdluser));
1485 memcpy(&usbuf, cdbus->ptr,
1486 ((cdbus->len > sizeof(struct ctdluser)) ?
1487 sizeof(struct ctdluser) : cdbus->len));
1489 (*CallBack) (&usbuf, in_data);
1495 * List one user (this works with cmd_list)
1497 void ListThisUser(struct ctdluser *usbuf, void *data)
1501 searchstring = (char *)data;
1502 if (bmstrcasestr(usbuf->fullname, searchstring) == NULL) {
1506 if (usbuf->axlevel > 0) {
1507 if ((CC->user.axlevel >= 6)
1508 || ((usbuf->flags & US_UNLISTED) == 0)
1509 || ((CC->internal_pgm))) {
1510 cprintf("%s|%d|%ld|%ld|%ld|%ld|",
1514 (long)usbuf->lastcall,
1517 if (CC->user.axlevel >= 6)
1518 cprintf("%s", usbuf->password);
1525 * List users (searchstring may be empty to list all users)
1527 void cmd_list(char *cmdbuf)
1529 char searchstring[256];
1530 extract_token(searchstring, cmdbuf, 0, '|', sizeof searchstring);
1531 striplt(searchstring);
1532 cprintf("%d \n", LISTING_FOLLOWS);
1533 ForEachUser(ListThisUser, (void *)searchstring );
1541 * assorted info we need to check at login
1549 if (CtdlAccessCheck(ac_logged_in)) {
1553 getuser(&CC->user, CC->curr_user); /* no lock is needed here */
1554 if ((REGISCALL != 0) && ((CC->user.flags & US_REGIS) == 0))
1557 if (CC->user.axlevel >= 6) {
1559 if (CitControl.MMflags & MM_VALID)
1563 /* check for mail */
1564 mail = InitialMailCheck();
1566 cprintf("%d %d|%d|%d|%s|\n", CIT_OK, mail, regis, vali, CC->cs_inet_email);
1571 * check to see if a user exists
1573 void cmd_qusr(char *who)
1575 struct ctdluser usbuf;
1577 if (getuser(&usbuf, who) == 0) {
1578 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1580 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1586 * Administrative Get User Parameters
1588 void cmd_agup(char *cmdbuf)
1590 struct ctdluser usbuf;
1591 char requested_user[128];
1593 if (CtdlAccessCheck(ac_aide)) {
1597 extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
1598 if (getuser(&usbuf, requested_user) != 0) {
1599 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1602 cprintf("%d %s|%s|%u|%ld|%ld|%d|%ld|%ld|%d\n",
1609 (int) usbuf.axlevel,
1611 (long)usbuf.lastcall,
1618 * Administrative Set User Parameters
1620 void cmd_asup(char *cmdbuf)
1622 struct ctdluser usbuf;
1623 char requested_user[128];
1629 if (CtdlAccessCheck(ac_aide))
1632 extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
1633 if (lgetuser(&usbuf, requested_user) != 0) {
1634 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1637 np = num_parms(cmdbuf);
1639 extract_token(usbuf.password, cmdbuf, 1, '|', sizeof usbuf.password);
1641 usbuf.flags = extract_int(cmdbuf, 2);
1643 usbuf.timescalled = extract_int(cmdbuf, 3);
1645 usbuf.posted = extract_int(cmdbuf, 4);
1647 newax = extract_int(cmdbuf, 5);
1648 if ((newax >= 0) && (newax <= 6)) {
1649 usbuf.axlevel = extract_int(cmdbuf, 5);
1653 usbuf.lastcall = extract_long(cmdbuf, 7);
1656 usbuf.USuserpurge = extract_int(cmdbuf, 8);
1659 if (usbuf.axlevel == 0) {
1660 if (purge_user(requested_user) == 0) {
1666 snprintf(notify, SIZ,
1667 "User \"%s\" has been deleted by %s.\n",
1668 usbuf.fullname, CC->user.fullname);
1669 aide_message(notify, "User Deletion Message");
1672 cprintf("%d Ok", CIT_OK);
1674 cprintf(" (%s deleted)", requested_user);
1681 * Check to see if the user who we just sent mail to is logged in. If yes,
1682 * bump the 'new mail' counter for their session. That enables them to
1683 * receive a new mail notification without having to hit the database.
1685 void BumpNewMailCounter(long which_user) {
1686 struct CitContext *ptr;
1688 begin_critical_section(S_SESSION_TABLE);
1690 for (ptr = ContextList; ptr != NULL; ptr = ptr->next) {
1691 if (ptr->user.usernum == which_user) {
1696 end_critical_section(S_SESSION_TABLE);
1701 * Count the number of new mail messages the user has
1705 int num_newmsgs = 0;
1707 num_newmsgs = CC->newmail;
1710 return (num_newmsgs);
1715 * Count the number of new mail messages the user has
1717 int InitialMailCheck()
1719 int num_newmsgs = 0;
1721 char mailboxname[ROOMNAMELEN];
1722 struct ctdlroom mailbox;
1724 struct cdbdata *cdbfr;
1725 long *msglist = NULL;
1728 MailboxName(mailboxname, sizeof mailboxname, &CC->user, MAILROOM);
1729 if (getroom(&mailbox, mailboxname) != 0)
1731 CtdlGetRelationship(&vbuf, &CC->user, &mailbox);
1733 cdbfr = cdb_fetch(CDB_MSGLISTS, &mailbox.QRnumber, sizeof(long));
1735 if (cdbfr != NULL) {
1736 msglist = malloc(cdbfr->len);
1737 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1738 num_msgs = cdbfr->len / sizeof(long);
1742 for (a = 0; a < num_msgs; ++a) {
1743 if (msglist[a] > 0L) {
1744 if (msglist[a] > vbuf.v_lastseen) {
1749 if (msglist != NULL)
1752 return (num_newmsgs);
1758 * Set the preferred view for the current user/room combination
1760 void cmd_view(char *cmdbuf) {
1764 if (CtdlAccessCheck(ac_logged_in)) {
1768 requested_view = extract_int(cmdbuf, 0);
1770 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1771 vbuf.v_view = requested_view;
1772 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1774 cprintf("%d ok\n", CIT_OK);