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 if ((CC->logged_in)) {
363 return login_already_logged_in;
366 if (trythisname == NULL) return login_not_found;
368 /* If a "master user" is defined, handle its authentication if specified */
370 if (strlen(config.c_master_user) > 0) if (strlen(config.c_master_pass) > 0) if (authname) {
371 if (!strcasecmp(authname, config.c_master_user)) {
376 /* Continue attempting user validation... */
377 safestrncpy(username, trythisname, USERNAME_SIZE);
380 if (IsEmptyStr(username)) {
381 return login_not_found;
384 if (config.c_auth_mode == AUTHMODE_HOST) {
389 struct passwd *tempPwdPtr;
392 lprintf(CTDL_DEBUG, "asking host about <%s>\n", username);
393 #ifdef HAVE_GETPWNAM_R
394 #ifdef SOLARIS_GETPWUID
395 tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer);
396 #else // SOLARIS_GETPWUID
397 getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
398 #endif // SOLARIS_GETPWUID
399 #else // HAVE_GETPWNAM_R
401 #endif // HAVE_GETPWNAM_R
402 if (tempPwdPtr == NULL) {
403 return login_not_found;
406 /* Locate the associated Citadel account.
407 * If not found, make one attempt to create it.
409 found_user = getuserbyuid(&CC->user, pd.pw_uid);
410 lprintf(CTDL_DEBUG, "found it: uid=%ld, gecos=%s here: %ld\n", (long)pd.pw_uid, pd.pw_gecos, found_user);
411 if (found_user != 0) {
412 create_user(username, 0);
413 found_user = getuserbyuid(&CC->user, pd.pw_uid);
419 /* native auth mode */
421 struct recptypes *valid = NULL;
423 /* First, try to log in as if the supplied name is a display name */
424 found_user = getuser(&CC->user, username);
426 /* If that didn't work, try to log in as if the supplied name
427 * is an e-mail address
429 if (found_user != 0) {
430 valid = validate_recipients(username, NULL, 0);
432 if (valid->num_local == 1) {
433 found_user = getuser(&CC->user, valid->recp_local);
435 free_recipients(valid);
440 /* Did we find something? */
441 if (found_user == 0) {
442 if (((CC->nologin)) && (CC->user.axlevel < 6)) {
443 return login_too_many_users;
445 safestrncpy(CC->curr_user, CC->user.fullname,
446 sizeof CC->curr_user);
450 return login_not_found;
458 void cmd_user(char *cmdbuf)
463 extract_token(username, cmdbuf, 0, '|', sizeof username);
466 a = CtdlLoginExistingUser(NULL, username);
468 case login_already_logged_in:
469 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
471 case login_too_many_users:
473 "Too many users are already online "
475 ERROR + MAX_SESSIONS_EXCEEDED,
476 config.c_nodename, config.c_maxsessions);
479 cprintf("%d Password required for %s\n",
480 MORE_DATA, CC->curr_user);
482 case login_not_found:
483 cprintf("%d %s not found.\n", ERROR + NO_SUCH_USER, username);
486 cprintf("%d Internal error\n", ERROR + INTERNAL_ERROR);
493 * session startup code which is common to both cmd_pass() and cmd_newu()
495 void session_startup(void)
499 lprintf(CTDL_NOTICE, "<%s> logged in\n", CC->curr_user);
501 lgetuser(&CC->user, CC->curr_user);
502 ++(CC->user.timescalled);
503 CC->previous_login = CC->user.lastcall;
504 time(&CC->user.lastcall);
506 /* If this user's name is the name of the system administrator
507 * (as specified in setup), automatically assign access level 6.
509 if (!strcasecmp(CC->user.fullname, config.c_sysadm)) {
510 CC->user.axlevel = 6;
513 /* If we're authenticating off the host system, automatically give
514 * root the highest level of access.
516 if (config.c_auth_mode == AUTHMODE_HOST) {
517 if (CC->user.uid == 0) {
518 CC->user.axlevel = 6;
525 * Populate CC->cs_inet_email with a default address. This will be
526 * overwritten with the user's directory address, if one exists, when
527 * the vCard module's login hook runs.
529 snprintf(CC->cs_inet_email, sizeof CC->cs_inet_email, "%s@%s",
530 CC->user.fullname, config.c_fqdn);
531 for (i=0; !IsEmptyStr(&CC->cs_inet_email[i]); ++i) {
532 if (isspace(CC->cs_inet_email[i])) {
533 CC->cs_inet_email[i] = '_';
537 /* Create any personal rooms required by the system.
538 * (Technically, MAILROOM should be there already, but just in case...)
540 create_room(MAILROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
541 create_room(SENTITEMS, 4, "", 0, 1, 0, VIEW_MAILBOX);
542 create_room(USERTRASHROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
544 /* Run any startup routines registered by loadable modules */
545 PerformSessionHooks(EVT_LOGIN);
547 /* Enter the lobby */
548 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
552 void logged_in_response(void)
554 cprintf("%d %s|%d|%ld|%ld|%u|%ld|%ld\n",
555 CIT_OK, CC->user.fullname, CC->user.axlevel,
556 CC->user.timescalled, CC->user.posted,
557 CC->user.flags, CC->user.usernum,
564 * misc things to be taken care of when a user is logged out
566 void logout(struct CitContext *who)
569 * Clear out some session data. Most likely, the CitContext for this
570 * session is about to get nuked when the session disconnects, but
571 * since it's possible to log in again without reconnecting, we cannot
572 * make that assumption.
574 strcpy(who->fake_username, "");
575 strcpy(who->fake_hostname, "");
576 strcpy(who->fake_roomname, "");
580 * If there is a download in progress, abort it.
582 if (who->download_fp != NULL) {
583 fclose(who->download_fp);
584 who->download_fp = NULL;
588 * If there is an upload in progress, abort it.
590 if (who->upload_fp != NULL) {
595 * If we were talking to a network node, we're not anymore...
597 if (!IsEmptyStr(who->net_node)) {
598 network_talking_to(who->net_node, NTT_REMOVE);
601 /* Do modular stuff... */
602 PerformSessionHooks(EVT_LOGOUT);
604 /* Free any output buffers */
605 if (who->output_buffer != NULL) {
611 * Validate a password on the host unix system by talking to the chkpwd daemon
613 static int validpw(uid_t uid, const char *pass)
617 lprintf(CTDL_DEBUG, "Validating password for uid=%d using chkpwd...\n", uid);
619 begin_critical_section(S_CHKPWD);
620 write(chkpwd_write_pipe[1], &uid, sizeof(uid_t));
621 write(chkpwd_write_pipe[1], pass, 256);
622 read(chkpwd_read_pipe[0], buf, 4);
623 end_critical_section(S_CHKPWD);
625 if (!strncmp(buf, "PASS", 4)) {
626 lprintf(CTDL_DEBUG, "...pass\n");
630 lprintf(CTDL_DEBUG, "...fail\n");
635 * Start up the chkpwd daemon so validpw() has something to talk to
637 void start_chkpwd_daemon(void) {
639 struct stat filestats;
642 lprintf(CTDL_DEBUG, "Starting chkpwd daemon for host authentication mode\n");
644 if ((stat(file_chkpwd, &filestats)==-1) ||
645 (filestats.st_size==0)){
646 printf("didn't find chkpwd daemon in %s: %s\n", file_chkpwd, strerror(errno));
649 if (pipe(chkpwd_write_pipe) != 0) {
650 lprintf(CTDL_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
653 if (pipe(chkpwd_read_pipe) != 0) {
654 lprintf(CTDL_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
659 if (chkpwd_pid < 0) {
660 lprintf(CTDL_EMERG, "Unable to fork chkpwd daemon: %s\n", strerror(errno));
663 if (chkpwd_pid == 0) {
664 lprintf(CTDL_DEBUG, "Now calling dup2() write\n");
665 dup2(chkpwd_write_pipe[0], 0);
666 lprintf(CTDL_DEBUG, "Now calling dup2() write\n");
667 dup2(chkpwd_read_pipe[1], 1);
668 lprintf(CTDL_DEBUG, "Now closing stuff\n");
669 for (i=2; i<256; ++i) close(i);
670 lprintf(CTDL_DEBUG, "Now calling execl(%s)\n", file_chkpwd);
671 execl(file_chkpwd, file_chkpwd, NULL);
672 lprintf(CTDL_EMERG, "Unable to exec chkpwd daemon: %s\n", strerror(errno));
686 int CtdlTryPassword(char *password)
690 if ((CC->logged_in)) {
691 lprintf(CTDL_WARNING, "CtdlTryPassword: already logged in\n");
692 return pass_already_logged_in;
694 if (!strcmp(CC->curr_user, NLI)) {
695 lprintf(CTDL_WARNING, "CtdlTryPassword: no user selected\n");
698 if (getuser(&CC->user, CC->curr_user)) {
699 lprintf(CTDL_ERR, "CtdlTryPassword: internal error\n");
700 return pass_internal_error;
702 if (password == NULL) {
703 lprintf(CTDL_INFO, "CtdlTryPassword: NULL password string supplied\n");
704 return pass_wrong_password;
709 code = strcmp(password, config.c_master_pass);
712 else if (config.c_auth_mode == AUTHMODE_HOST) {
716 if (validpw(CC->user.uid, password)) {
720 * sooper-seekrit hack: populate the password field in the
721 * citadel database with the password that the user typed,
722 * if it's correct. This allows most sites to convert from
723 * host auth to native auth if they want to. If you think
724 * this is a security hazard, comment it out.
727 lgetuser(&CC->user, CC->curr_user);
728 safestrncpy(CC->user.password, password, sizeof CC->user.password);
732 * (sooper-seekrit hack ends here)
743 /* native auth mode */
746 strproc(CC->user.password);
747 code = strcasecmp(CC->user.password, password);
749 strproc(CC->user.password);
750 code = strcasecmp(CC->user.password, password);
757 lprintf(CTDL_WARNING, "Bad password specified for <%s>\n", CC->curr_user);
758 return pass_wrong_password;
763 void cmd_pass(char *buf)
768 extract_token(password, buf, 0, '|', sizeof password);
769 a = CtdlTryPassword(password);
772 case pass_already_logged_in:
773 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
776 cprintf("%d You must send a name with USER first.\n",
777 ERROR + USERNAME_REQUIRED);
779 case pass_wrong_password:
780 cprintf("%d Wrong password.\n", ERROR + PASSWORD_REQUIRED);
783 logged_in_response();
791 * Delete a user record *and* all of its related resources.
793 int purge_user(char pname[])
796 struct ctdluser usbuf;
797 char usernamekey[USERNAME_SIZE];
798 struct CitContext *ccptr;
799 int user_is_logged_in = 0;
801 makeuserkey(usernamekey, pname);
803 if (getuser(&usbuf, pname) != 0) {
804 lprintf(CTDL_ERR, "Cannot purge user <%s> - not found\n", pname);
805 return (ERROR + NO_SUCH_USER);
807 /* Don't delete a user who is currently logged in. Instead, just
808 * set the access level to 0, and let the account get swept up
809 * during the next purge.
811 user_is_logged_in = 0;
812 begin_critical_section(S_SESSION_TABLE);
813 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
814 if (ccptr->user.usernum == usbuf.usernum) {
815 user_is_logged_in = 1;
818 end_critical_section(S_SESSION_TABLE);
819 if (user_is_logged_in == 1) {
820 lprintf(CTDL_WARNING, "User <%s> is logged in; not deleting.\n", pname);
825 lprintf(CTDL_NOTICE, "Deleting user <%s>\n", pname);
827 /* Perform any purge functions registered by server extensions */
828 PerformUserHooks(&usbuf, EVT_PURGEUSER);
830 /* delete any existing user/room relationships */
831 cdb_delete(CDB_VISIT, &usbuf.usernum, sizeof(long));
833 /* delete the userlog entry */
834 cdb_delete(CDB_USERS, usernamekey, strlen(usernamekey));
836 /* remove the user's bio file */
844 /* remove the user's picture */
857 * create_user() - back end processing to create a new user
859 * Set 'newusername' to the desired account name.
860 * Set 'become_user' to nonzero if this is self-service account creation and we want
861 * to actually log in as the user we just created, otherwise set it to 0.
863 int create_user(char *newusername, int become_user)
865 struct ctdluser usbuf;
866 struct ctdlroom qrbuf;
868 char mailboxname[ROOMNAMELEN];
872 safestrncpy(username, newusername, sizeof username);
875 if (config.c_auth_mode == AUTHMODE_HOST) {
880 struct passwd *tempPwdPtr;
883 #ifdef HAVE_GETPWNAM_R
884 #ifdef SOLARIS_GETPWUID
885 tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof(pwdbuffer));
886 #else // SOLARIS_GETPWUID
887 getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
888 #endif // SOLARIS_GETPWUID
889 #else // HAVE_GETPWNAM_R
891 #endif // HAVE_GETPWNAM_R
892 if (tempPwdPtr != NULL) {
893 extract_token(username, pd.pw_gecos, 0, ',', sizeof username);
895 if (IsEmptyStr (username))
898 "Can't find Realname for user %s [%d] in the Host Auth Database; giving up.\n",
899 newusername, pd.pw_uid);
901 "Can't find Realname for user %s [%d] in the Host Auth Database; giving up.\n",
902 newusername, pd.pw_uid);
903 aide_message(buf, "User Creation Failure Notice");
908 return (ERROR + NO_SUCH_USER);
912 if (!getuser(&usbuf, username)) {
913 return (ERROR + ALREADY_EXISTS);
916 /* Go ahead and initialize a new user record */
917 memset(&usbuf, 0, sizeof(struct ctdluser));
918 safestrncpy(usbuf.fullname, username, sizeof usbuf.fullname);
919 strcpy(usbuf.password, "");
922 /* These are the default flags on new accounts */
923 usbuf.flags = US_LASTOLD | US_DISAPPEAR | US_PAGINATOR | US_FLOORS;
925 usbuf.timescalled = 0;
927 usbuf.axlevel = config.c_initax;
928 usbuf.USscreenwidth = 80;
929 usbuf.USscreenheight = 24;
930 usbuf.lastcall = time(NULL);
932 /* fetch a new user number */
933 usbuf.usernum = get_new_user_number();
935 /* The very first user created on the system will always be an Aide */
936 if (usbuf.usernum == 1L) {
940 /* add user to userlog */
944 * Give the user a private mailbox and a configuration room.
945 * Make the latter an invisible system room.
947 MailboxName(mailboxname, sizeof mailboxname, &usbuf, MAILROOM);
948 create_room(mailboxname, 5, "", 0, 1, 1, VIEW_MAILBOX);
950 MailboxName(mailboxname, sizeof mailboxname, &usbuf, USERCONFIGROOM);
951 create_room(mailboxname, 5, "", 0, 1, 1, VIEW_BBS);
952 if (lgetroom(&qrbuf, mailboxname) == 0) {
953 qrbuf.QRflags2 |= QR2_SYSTEM;
957 /* Perform any create functions registered by server extensions */
958 PerformUserHooks(&usbuf, EVT_NEWUSER);
960 /* Everything below this line can be bypassed if administratively
961 * creating a user, instead of doing self-service account creation
965 /* Now become the user we just created */
966 memcpy(&CC->user, &usbuf, sizeof(struct ctdluser));
967 safestrncpy(CC->curr_user, username, sizeof CC->curr_user);
970 /* Check to make sure we're still who we think we are */
971 if (getuser(&CC->user, CC->curr_user)) {
972 return (ERROR + INTERNAL_ERROR);
977 "New user account <%s> has been created, from host %s [%s].\n",
982 aide_message(buf, "User Creation Notice");
983 lprintf(CTDL_NOTICE, "New user <%s> created\n", username);
991 * cmd_newu() - create a new user account and log in as that user
993 void cmd_newu(char *cmdbuf)
998 if (config.c_auth_mode != AUTHMODE_NATIVE) {
999 cprintf("%d This system does not use native mode authentication.\n",
1004 if (config.c_disable_newu) {
1005 cprintf("%d Self-service user account creation "
1006 "is disabled on this system.\n", ERROR + NOT_HERE);
1010 if (CC->logged_in) {
1011 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
1015 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
1016 ERROR + MAX_SESSIONS_EXCEEDED,
1017 config.c_nodename, config.c_maxsessions);
1019 extract_token(username, cmdbuf, 0, '|', sizeof username);
1023 if (IsEmptyStr(username)) {
1024 cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
1028 if ((!strcasecmp(username, "bbs")) ||
1029 (!strcasecmp(username, "new")) ||
1030 (!strcasecmp(username, "."))) {
1031 cprintf("%d '%s' is an invalid login name.\n", ERROR + ILLEGAL_VALUE, username);
1035 a = create_user(username, 1);
1039 logged_in_response();
1040 } else if (a == ERROR + ALREADY_EXISTS) {
1041 cprintf("%d '%s' already exists.\n",
1042 ERROR + ALREADY_EXISTS, username);
1044 } else if (a == ERROR + INTERNAL_ERROR) {
1045 cprintf("%d Internal error - user record disappeared?\n",
1046 ERROR + INTERNAL_ERROR);
1049 cprintf("%d unknown error\n", ERROR + INTERNAL_ERROR);
1058 void cmd_setp(char *new_pw)
1060 if (CtdlAccessCheck(ac_logged_in)) {
1063 if ( (CC->user.uid != CTDLUID) && (CC->user.uid != (-1)) ) {
1064 cprintf("%d Not allowed. Use the 'passwd' command.\n", ERROR + NOT_HERE);
1067 if (CC->is_master) {
1068 cprintf("%d The master prefix password cannot be changed with this command.\n",
1073 if (IsEmptyStr(new_pw)) {
1074 cprintf("%d Password unchanged.\n", CIT_OK);
1077 lgetuser(&CC->user, CC->curr_user);
1078 safestrncpy(CC->user.password, new_pw, sizeof(CC->user.password));
1079 lputuser(&CC->user);
1080 cprintf("%d Password changed.\n", CIT_OK);
1081 lprintf(CTDL_INFO, "Password changed for user <%s>\n", CC->curr_user);
1082 PerformSessionHooks(EVT_SETPASS);
1087 * cmd_creu() - administratively create a new user account (do not log in to it)
1089 void cmd_creu(char *cmdbuf)
1094 struct ctdluser tmp;
1096 if (CtdlAccessCheck(ac_aide)) {
1100 extract_token(username, cmdbuf, 0, '|', sizeof username);
1101 extract_token(password, cmdbuf, 1, '|', sizeof password);
1107 if (IsEmptyStr(username)) {
1108 cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
1112 a = create_user(username, 0);
1115 if (!IsEmptyStr(password)) {
1116 lgetuser(&tmp, username);
1117 safestrncpy(tmp.password, password, sizeof(tmp.password));
1120 cprintf("%d User '%s' created %s.\n", CIT_OK, username,
1121 (!IsEmptyStr(password)) ? "and password set" :
1122 "with no password");
1124 } else if (a == ERROR + ALREADY_EXISTS) {
1125 cprintf("%d '%s' already exists.\n", ERROR + ALREADY_EXISTS, username);
1127 } else if ( (config.c_auth_mode != AUTHMODE_NATIVE) && (a == ERROR + NO_SUCH_USER) ) {
1128 cprintf("%d User accounts are not created within Citadel in host authentication mode.\n",
1129 ERROR + NO_SUCH_USER);
1132 cprintf("%d An error occurred creating the user account.\n", ERROR + INTERNAL_ERROR);
1139 * get user parameters
1144 if (CtdlAccessCheck(ac_logged_in))
1147 getuser(&CC->user, CC->curr_user);
1148 cprintf("%d %d|%d|%d|\n",
1150 CC->user.USscreenwidth,
1151 CC->user.USscreenheight,
1152 (CC->user.flags & US_USER_SET)
1157 * set user parameters
1159 void cmd_setu(char *new_parms)
1161 if (CtdlAccessCheck(ac_logged_in))
1164 if (num_parms(new_parms) < 3) {
1165 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
1168 lgetuser(&CC->user, CC->curr_user);
1169 CC->user.USscreenwidth = extract_int(new_parms, 0);
1170 CC->user.USscreenheight = extract_int(new_parms, 1);
1171 CC->user.flags = CC->user.flags & (~US_USER_SET);
1172 CC->user.flags = CC->user.flags |
1173 (extract_int(new_parms, 2) & US_USER_SET);
1175 lputuser(&CC->user);
1176 cprintf("%d Ok\n", CIT_OK);
1180 * set last read pointer
1182 void cmd_slrp(char *new_ptr)
1186 struct visit original_vbuf;
1188 if (CtdlAccessCheck(ac_logged_in)) {
1192 if (!strncasecmp(new_ptr, "highest", 7)) {
1193 newlr = CC->room.QRhighest;
1195 newlr = atol(new_ptr);
1198 lgetuser(&CC->user, CC->curr_user);
1200 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1201 memcpy(&original_vbuf, &vbuf, sizeof(struct visit));
1202 vbuf.v_lastseen = newlr;
1203 snprintf(vbuf.v_seen, sizeof vbuf.v_seen, "*:%ld", newlr);
1205 /* Only rewrite the record if it changed */
1206 if ( (vbuf.v_lastseen != original_vbuf.v_lastseen)
1207 || (strcmp(vbuf.v_seen, original_vbuf.v_seen)) ) {
1208 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1211 lputuser(&CC->user);
1212 cprintf("%d %ld\n", CIT_OK, newlr);
1216 void cmd_seen(char *argbuf) {
1217 long target_msgnum = 0L;
1218 int target_setting = 0;
1220 if (CtdlAccessCheck(ac_logged_in)) {
1224 if (num_parms(argbuf) != 2) {
1225 cprintf("%d Invalid parameters\n", ERROR + ILLEGAL_VALUE);
1229 target_msgnum = extract_long(argbuf, 0);
1230 target_setting = extract_int(argbuf, 1);
1232 CtdlSetSeen(&target_msgnum, 1, target_setting,
1233 ctdlsetseen_seen, NULL, NULL);
1234 cprintf("%d OK\n", CIT_OK);
1238 void cmd_gtsn(char *argbuf) {
1241 if (CtdlAccessCheck(ac_logged_in)) {
1245 CtdlGetSeen(buf, ctdlsetseen_seen);
1246 cprintf("%d %s\n", CIT_OK, buf);
1251 * API function for cmd_invt_kick() and anything else that needs to
1252 * invite or kick out a user to/from a room.
1254 * Set iuser to the name of the user, and op to 1=invite or 0=kick
1256 int CtdlInvtKick(char *iuser, int op) {
1257 struct ctdluser USscratch;
1261 if (getuser(&USscratch, iuser) != 0) {
1265 CtdlGetRelationship(&vbuf, &USscratch, &CC->room);
1267 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1268 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1271 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1272 vbuf.v_flags = vbuf.v_flags | V_FORGET | V_LOCKOUT;
1274 CtdlSetRelationship(&vbuf, &USscratch, &CC->room);
1276 /* post a message in Aide> saying what we just did */
1277 snprintf(bbb, sizeof bbb, "%s has been %s \"%s\" by %s.\n",
1279 ((op == 1) ? "invited to" : "kicked out of"),
1282 aide_message(bbb,"User Admin Message");
1289 * INVT and KICK commands
1291 void cmd_invt_kick(char *iuser, int op) {
1294 * These commands are only allowed by aides, room aides,
1295 * and room namespace owners
1298 || (atol(CC->room.QRname) == CC->user.usernum) ) {
1299 /* access granted */
1302 cprintf("%d Higher access or room ownership required.\n",
1303 ERROR + HIGHER_ACCESS_REQUIRED);
1307 if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1309 cprintf("%d Can't add/remove users from this room.\n",
1314 if (CtdlInvtKick(iuser, op) != 0) {
1315 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1319 cprintf("%d %s %s %s.\n",
1321 ((op == 1) ? "invited to" : "kicked out of"),
1328 * Forget (Zap) the current room (API call)
1329 * Returns 0 on success
1331 int CtdlForgetThisRoom(void) {
1334 /* On some systems, Aides are not allowed to forget rooms */
1335 if (is_aide() && (config.c_aide_zap == 0)
1336 && ((CC->room.QRflags & QR_MAILBOX) == 0) ) {
1340 lgetuser(&CC->user, CC->curr_user);
1341 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1343 vbuf.v_flags = vbuf.v_flags | V_FORGET;
1344 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1346 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1347 lputuser(&CC->user);
1349 /* Return to the Lobby, so we don't end up in an undefined room */
1350 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
1357 * forget (Zap) the current room
1362 if (CtdlAccessCheck(ac_logged_in)) {
1366 if (CtdlForgetThisRoom() == 0) {
1367 cprintf("%d Ok\n", CIT_OK);
1370 cprintf("%d You may not forget this room.\n", ERROR + NOT_HERE);
1375 * Get Next Unregistered User
1379 struct cdbdata *cdbus;
1380 struct ctdluser usbuf;
1382 if (CtdlAccessCheck(ac_aide)) {
1386 if ((CitControl.MMflags & MM_VALID) == 0) {
1387 cprintf("%d There are no unvalidated users.\n", CIT_OK);
1391 /* There are unvalidated users. Traverse the user database,
1392 * and return the first user we find that needs validation.
1394 cdb_rewind(CDB_USERS);
1395 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1396 memset(&usbuf, 0, sizeof(struct ctdluser));
1397 memcpy(&usbuf, cdbus->ptr,
1398 ((cdbus->len > sizeof(struct ctdluser)) ?
1399 sizeof(struct ctdluser) : cdbus->len));
1401 if ((usbuf.flags & US_NEEDVALID)
1402 && (usbuf.axlevel > 0)) {
1403 cprintf("%d %s\n", MORE_DATA, usbuf.fullname);
1404 cdb_close_cursor(CDB_USERS);
1409 /* If we get to this point, there are no more unvalidated users.
1410 * Therefore we clear the "users need validation" flag.
1413 begin_critical_section(S_CONTROL);
1415 CitControl.MMflags = CitControl.MMflags & (~MM_VALID);
1417 end_critical_section(S_CONTROL);
1418 cprintf("%d *** End of registration.\n", CIT_OK);
1427 void cmd_vali(char *v_args)
1431 struct ctdluser userbuf;
1433 extract_token(user, v_args, 0, '|', sizeof user);
1434 newax = extract_int(v_args, 1);
1436 if (CtdlAccessCheck(ac_aide)) {
1440 if (lgetuser(&userbuf, user) != 0) {
1441 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, user);
1445 userbuf.axlevel = newax;
1446 userbuf.flags = (userbuf.flags & ~US_NEEDVALID);
1450 /* If the access level was set to zero, delete the user */
1452 if (purge_user(user) == 0) {
1453 cprintf("%d %s Deleted.\n", CIT_OK, userbuf.fullname);
1457 cprintf("%d User '%s' validated.\n", CIT_OK, userbuf.fullname);
1463 * Traverse the user file...
1465 void ForEachUser(void (*CallBack) (struct ctdluser * EachUser, void *out_data),
1468 struct ctdluser usbuf;
1469 struct cdbdata *cdbus;
1471 cdb_rewind(CDB_USERS);
1473 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1474 memset(&usbuf, 0, sizeof(struct ctdluser));
1475 memcpy(&usbuf, cdbus->ptr,
1476 ((cdbus->len > sizeof(struct ctdluser)) ?
1477 sizeof(struct ctdluser) : cdbus->len));
1479 (*CallBack) (&usbuf, in_data);
1485 * List one user (this works with cmd_list)
1487 void ListThisUser(struct ctdluser *usbuf, void *data)
1491 searchstring = (char *)data;
1492 if (bmstrcasestr(usbuf->fullname, searchstring) == NULL) {
1496 if (usbuf->axlevel > 0) {
1497 if ((CC->user.axlevel >= 6)
1498 || ((usbuf->flags & US_UNLISTED) == 0)
1499 || ((CC->internal_pgm))) {
1500 cprintf("%s|%d|%ld|%ld|%ld|%ld|",
1504 (long)usbuf->lastcall,
1507 if (CC->user.axlevel >= 6)
1508 cprintf("%s", usbuf->password);
1515 * List users (searchstring may be empty to list all users)
1517 void cmd_list(char *cmdbuf)
1519 char searchstring[256];
1520 extract_token(searchstring, cmdbuf, 0, '|', sizeof searchstring);
1521 striplt(searchstring);
1522 cprintf("%d \n", LISTING_FOLLOWS);
1523 ForEachUser(ListThisUser, (void *)searchstring );
1531 * assorted info we need to check at login
1539 if (CtdlAccessCheck(ac_logged_in)) {
1543 getuser(&CC->user, CC->curr_user); /* no lock is needed here */
1544 if ((REGISCALL != 0) && ((CC->user.flags & US_REGIS) == 0))
1547 if (CC->user.axlevel >= 6) {
1549 if (CitControl.MMflags & MM_VALID)
1553 /* check for mail */
1554 mail = InitialMailCheck();
1556 cprintf("%d %d|%d|%d|%s|\n", CIT_OK, mail, regis, vali, CC->cs_inet_email);
1561 * check to see if a user exists
1563 void cmd_qusr(char *who)
1565 struct ctdluser usbuf;
1567 if (getuser(&usbuf, who) == 0) {
1568 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1570 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1576 * Administrative Get User Parameters
1578 void cmd_agup(char *cmdbuf)
1580 struct ctdluser usbuf;
1581 char requested_user[128];
1583 if (CtdlAccessCheck(ac_aide)) {
1587 extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
1588 if (getuser(&usbuf, requested_user) != 0) {
1589 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1592 cprintf("%d %s|%s|%u|%ld|%ld|%d|%ld|%ld|%d\n",
1599 (int) usbuf.axlevel,
1601 (long)usbuf.lastcall,
1608 * Administrative Set User Parameters
1610 void cmd_asup(char *cmdbuf)
1612 struct ctdluser usbuf;
1613 char requested_user[128];
1619 if (CtdlAccessCheck(ac_aide))
1622 extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
1623 if (lgetuser(&usbuf, requested_user) != 0) {
1624 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1627 np = num_parms(cmdbuf);
1629 extract_token(usbuf.password, cmdbuf, 1, '|', sizeof usbuf.password);
1631 usbuf.flags = extract_int(cmdbuf, 2);
1633 usbuf.timescalled = extract_int(cmdbuf, 3);
1635 usbuf.posted = extract_int(cmdbuf, 4);
1637 newax = extract_int(cmdbuf, 5);
1638 if ((newax >= 0) && (newax <= 6)) {
1639 usbuf.axlevel = extract_int(cmdbuf, 5);
1643 usbuf.lastcall = extract_long(cmdbuf, 7);
1646 usbuf.USuserpurge = extract_int(cmdbuf, 8);
1649 if (usbuf.axlevel == 0) {
1650 if (purge_user(requested_user) == 0) {
1656 sprintf(notify, "User \"%s\" has been deleted by %s.\n",
1657 usbuf.fullname, CC->user.fullname);
1658 aide_message(notify, "User Deletion Message");
1661 cprintf("%d Ok", CIT_OK);
1663 cprintf(" (%s deleted)", requested_user);
1670 * Check to see if the user who we just sent mail to is logged in. If yes,
1671 * bump the 'new mail' counter for their session. That enables them to
1672 * receive a new mail notification without having to hit the database.
1674 void BumpNewMailCounter(long which_user) {
1675 struct CitContext *ptr;
1677 begin_critical_section(S_SESSION_TABLE);
1679 for (ptr = ContextList; ptr != NULL; ptr = ptr->next) {
1680 if (ptr->user.usernum == which_user) {
1685 end_critical_section(S_SESSION_TABLE);
1690 * Count the number of new mail messages the user has
1694 int num_newmsgs = 0;
1696 num_newmsgs = CC->newmail;
1699 return (num_newmsgs);
1704 * Count the number of new mail messages the user has
1706 int InitialMailCheck()
1708 int num_newmsgs = 0;
1710 char mailboxname[ROOMNAMELEN];
1711 struct ctdlroom mailbox;
1713 struct cdbdata *cdbfr;
1714 long *msglist = NULL;
1717 MailboxName(mailboxname, sizeof mailboxname, &CC->user, MAILROOM);
1718 if (getroom(&mailbox, mailboxname) != 0)
1720 CtdlGetRelationship(&vbuf, &CC->user, &mailbox);
1722 cdbfr = cdb_fetch(CDB_MSGLISTS, &mailbox.QRnumber, sizeof(long));
1724 if (cdbfr != NULL) {
1725 msglist = malloc(cdbfr->len);
1726 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1727 num_msgs = cdbfr->len / sizeof(long);
1731 for (a = 0; a < num_msgs; ++a) {
1732 if (msglist[a] > 0L) {
1733 if (msglist[a] > vbuf.v_lastseen) {
1738 if (msglist != NULL)
1741 return (num_newmsgs);
1747 * Set the preferred view for the current user/room combination
1749 void cmd_view(char *cmdbuf) {
1753 if (CtdlAccessCheck(ac_logged_in)) {
1757 requested_view = extract_int(cmdbuf, 0);
1759 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1760 vbuf.v_view = requested_view;
1761 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1763 cprintf("%d ok\n", CIT_OK);