4 * Server functions which perform operations on user objects.
21 #include <sys/types.h>
24 #if TIME_WITH_SYS_TIME
25 # include <sys/time.h>
29 # include <sys/time.h>
44 #include "serv_extensions.h"
45 #include "sysdep_decls.h"
53 #include "citserver.h"
57 * makeuserkey() - convert a username into the format used as a database key
58 * (it's just the username converted into lower case)
60 static INLINE void makeuserkey(char *key, char *username) {
63 len = strlen(username);
64 for (i=0; i<=len; ++i) {
65 key[i] = tolower(username[i]);
71 * getuser() - retrieve named user into supplied buffer.
72 * returns 0 on success
74 int getuser(struct ctdluser *usbuf, char name[])
77 char usernamekey[USERNAME_SIZE];
78 char sysuser_name[USERNAME_SIZE];
79 struct cdbdata *cdbus;
80 int using_sysuser = 0;
83 memset(usbuf, 0, sizeof(struct ctdluser));
86 #ifdef ENABLE_AUTOLOGIN
87 if (CtdlAssociateSystemUser(sysuser_name, name) == 0) {
93 makeuserkey(usernamekey, sysuser_name);
96 makeuserkey(usernamekey, name);
99 cdbus = cdb_fetch(CDB_USERS, usernamekey, strlen(usernamekey));
100 if (cdbus == NULL) { /* user not found */
104 memcpy(usbuf, cdbus->ptr,
105 ((cdbus->len > sizeof(struct ctdluser)) ?
106 sizeof(struct ctdluser) : cdbus->len));
115 * lgetuser() - same as getuser() but locks the record
117 int lgetuser(struct ctdluser *usbuf, char *name)
121 retcode = getuser(usbuf, name);
123 begin_critical_section(S_USERS);
130 * putuser() - write user buffer into the correct place on disk
132 void putuser(struct ctdluser *usbuf)
134 char usernamekey[USERNAME_SIZE];
136 makeuserkey(usernamekey, usbuf->fullname);
138 usbuf->version = REV_LEVEL;
140 usernamekey, strlen(usernamekey),
141 usbuf, sizeof(struct ctdluser));
147 * lputuser() - same as putuser() but locks the record
149 void lputuser(struct ctdluser *usbuf)
152 end_critical_section(S_USERS);
156 * Index-generating function used by Ctdl[Get|Set]Relationship
158 int GenerateRelationshipIndex(char *IndexBuf,
170 TheIndex.iRoomID = RoomID;
171 TheIndex.iRoomGen = RoomGen;
172 TheIndex.iUserID = UserID;
174 memcpy(IndexBuf, &TheIndex, sizeof(TheIndex));
175 return (sizeof(TheIndex));
181 * Back end for CtdlSetRelationship()
183 void put_visit(struct visit *newvisit)
188 /* Generate an index */
189 IndexLen = GenerateRelationshipIndex(IndexBuf,
192 newvisit->v_usernum);
194 /* Store the record */
195 cdb_store(CDB_VISIT, IndexBuf, IndexLen,
196 newvisit, sizeof(struct visit)
204 * Define a relationship between a user and a room
206 void CtdlSetRelationship(struct visit *newvisit,
207 struct ctdluser *rel_user,
208 struct ctdlroom *rel_room)
212 /* We don't use these in Citadel because they're implicit by the
213 * index, but they must be present if the database is exported.
215 newvisit->v_roomnum = rel_room->QRnumber;
216 newvisit->v_roomgen = rel_room->QRgen;
217 newvisit->v_usernum = rel_user->usernum;
223 * Locate a relationship between a user and a room
225 void CtdlGetRelationship(struct visit *vbuf,
226 struct ctdluser *rel_user,
227 struct ctdlroom *rel_room)
232 struct cdbdata *cdbvisit;
234 /* Generate an index */
235 IndexLen = GenerateRelationshipIndex(IndexBuf,
240 /* Clear out the buffer */
241 memset(vbuf, 0, sizeof(struct visit));
243 cdbvisit = cdb_fetch(CDB_VISIT, IndexBuf, IndexLen);
244 if (cdbvisit != NULL) {
245 memcpy(vbuf, cdbvisit->ptr,
246 ((cdbvisit->len > sizeof(struct visit)) ?
247 sizeof(struct visit) : cdbvisit->len));
251 /* If this is the first time the user has seen this room,
252 * set the view to be the default for the room.
254 vbuf->v_view = rel_room->QRdefaultview;
257 /* Set v_seen if necessary */
258 if (vbuf->v_seen[0] == 0) {
259 snprintf(vbuf->v_seen, sizeof vbuf->v_seen, "*:%ld", vbuf->v_lastseen);
264 void MailboxName(char *buf, size_t n, const struct ctdluser *who, const char *prefix)
266 snprintf(buf, n, "%010ld.%s", who->usernum, prefix);
271 * Is the user currently logged in an Aide?
275 if (CC->user.axlevel >= 6)
283 * Is the user currently logged in an Aide *or* the room aide for this room?
285 int is_room_aide(void)
288 if (!CC->logged_in) {
292 if ((CC->user.axlevel >= 6)
293 || (CC->room.QRroomaide == CC->user.usernum)) {
301 * getuserbynumber() - get user by number
302 * returns 0 if user was found
304 * WARNING: don't use this function unless you absolutely have to. It does
305 * a sequential search and therefore is computationally expensive.
307 int getuserbynumber(struct ctdluser *usbuf, long int number)
309 struct cdbdata *cdbus;
311 cdb_rewind(CDB_USERS);
313 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
314 memset(usbuf, 0, sizeof(struct ctdluser));
315 memcpy(usbuf, cdbus->ptr,
316 ((cdbus->len > sizeof(struct ctdluser)) ?
317 sizeof(struct ctdluser) : cdbus->len));
319 if (usbuf->usernum == number) {
320 cdb_close_cursor(CDB_USERS);
329 * See if we can translate a system login name (i.e. from /etc/passwd)
330 * to a Citadel screen name. Returns 0 if one is found.
332 int CtdlAssociateSystemUser(char *screenname, char *loginname) {
336 p = (struct passwd *) getpwnam(loginname);
338 strcpy(screenname, p->pw_gecos);
339 for (a = 0; a < strlen(screenname); ++a) {
340 if (screenname[a] == ',') {
352 * Back end for cmd_user() and its ilk
354 int CtdlLoginExistingUser(char *trythisname)
358 struct recptypes *valid = NULL;
360 if (trythisname == NULL) return login_not_found;
361 safestrncpy(username, trythisname, USERNAME_SIZE);
364 if ((CC->logged_in)) {
365 return login_already_logged_in;
368 /* First, try to log in as if the supplied name is a display name */
369 found_user = getuser(&CC->user, username);
371 /* If that didn't work, try to log in as if the supplied name
372 * is an e-mail address
374 if (found_user != 0) {
375 valid = validate_recipients(username);
377 if (valid->num_local == 1) {
378 found_user = getuser(&CC->user,
385 #ifdef ENABLE_AUTOLOGIN
386 /* If we haven't found the account yet, and the supplied name
387 * is a login name on the underlying host system, create the
390 if (found_user != 0) {
391 struct passwd *p = (struct passwd *) getpwnam(username);
394 create_user(username, 0);
395 found_user = getuser(&CC->user, username);
398 #endif /* ENABLE_AUTOLOGIN */
400 /* Did we find something? */
401 if (found_user == 0) {
402 if (((CC->nologin)) && (CC->user.axlevel < 6)) {
403 return login_too_many_users;
405 safestrncpy(CC->curr_user, CC->user.fullname,
406 sizeof CC->curr_user);
410 return login_not_found;
418 void cmd_user(char *cmdbuf)
423 extract(username, cmdbuf, 0);
426 a = CtdlLoginExistingUser(username);
428 case login_already_logged_in:
429 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
431 case login_too_many_users:
433 "Too many users are already online "
435 ERROR + MAX_SESSIONS_EXCEEDED,
436 config.c_nodename, config.c_maxsessions);
439 cprintf("%d Password required for %s\n",
440 MORE_DATA, CC->curr_user);
442 case login_not_found:
443 cprintf("%d %s not found.\n", ERROR + NO_SUCH_USER, username);
446 cprintf("%d Internal error\n", ERROR + INTERNAL_ERROR);
453 * session startup code which is common to both cmd_pass() and cmd_newu()
455 void session_startup(void)
459 lprintf(CTDL_NOTICE, "<%s> logged in\n", CC->curr_user);
461 lgetuser(&CC->user, CC->curr_user);
462 ++(CC->user.timescalled);
463 CC->previous_login = CC->user.lastcall;
464 time(&CC->user.lastcall);
466 /* If this user's name is the name of the system administrator
467 * (as specified in setup), automatically assign access level 6.
469 if (!strcasecmp(CC->user.fullname, config.c_sysadm)) {
470 CC->user.axlevel = 6;
475 * Populate CC->cs_inet_email with a default address. This will be
476 * overwritten with the user's directory address, if one exists, when
477 * the vCard module's login hook runs.
479 snprintf(CC->cs_inet_email, sizeof CC->cs_inet_email, "%s@%s",
480 CC->user.fullname, config.c_fqdn);
481 for (i=0; i<strlen(CC->cs_inet_email); ++i) {
482 if (isspace(CC->cs_inet_email[i])) {
483 CC->cs_inet_email[i] = '_';
487 /* Create any personal rooms required by the system.
488 * (Technically, MAILROOM should be there already, but just in case...)
490 create_room(MAILROOM, 4, "", 0, 1, 0, VIEW_BBS);
491 create_room(SENTITEMS, 4, "", 0, 1, 0, VIEW_BBS);
493 /* Run any startup routines registered by loadable modules */
494 PerformSessionHooks(EVT_LOGIN);
496 /* Enter the lobby */
497 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
501 void logged_in_response(void)
503 cprintf("%d %s|%d|%ld|%ld|%u|%ld|%ld\n",
504 CIT_OK, CC->user.fullname, CC->user.axlevel,
505 CC->user.timescalled, CC->user.posted,
506 CC->user.flags, CC->user.usernum,
513 * misc things to be taken care of when a user is logged out
515 void logout(struct CitContext *who)
518 * Clear out some session data. Most likely, the CitContext for this
519 * session is about to get nuked when the session disconnects, but
520 * since it's possible to log in again without reconnecting, we cannot
521 * make that assumption.
523 strcpy(who->fake_username, "");
524 strcpy(who->fake_postname, "");
525 strcpy(who->fake_hostname, "");
526 strcpy(who->fake_roomname, "");
530 * If there is a download in progress, abort it.
532 if (who->download_fp != NULL) {
533 fclose(who->download_fp);
534 who->download_fp = NULL;
538 * If there is an upload in progress, abort it.
540 if (who->upload_fp != NULL) {
545 * If we were talking to a network node, we're not anymore...
547 if (strlen(who->net_node) > 0) {
548 network_talking_to(who->net_node, NTT_REMOVE);
551 /* Do modular stuff... */
552 PerformSessionHooks(EVT_LOGOUT);
554 /* Free any output buffers */
555 if (who->output_buffer != NULL) {
562 * an alternate version of validpw() which executes `chkpwd' instead of
563 * verifying the password directly
565 static int validpw(uid_t uid, const char *pass)
568 int status, pipev[2];
572 lprintf(CTDL_ERR, "pipe failed (%s): denying autologin access for "
573 "uid %ld\n", strerror(errno), (long)uid);
576 switch (pid = fork()) {
578 lprintf(CTDL_ERR, "fork failed (%s): denying autologin access for "
579 "uid %ld\n", strerror(errno), (long)uid);
586 if (dup2(pipev[0], 0) == -1) {
592 execl(BBSDIR "/chkpwd", BBSDIR "/chkpwd", NULL);
593 perror(BBSDIR "/chkpwd");
599 snprintf(buf, sizeof buf, "%lu\n", (unsigned long) uid));
600 write(pipev[1], pass, strlen(pass));
601 write(pipev[1], "\n", 1);
604 while (waitpid(pid, &status, 0) == -1)
605 if (errno != EINTR) {
606 lprintf(CTDL_ERR, "waitpid failed (%s): denying autologin "
607 "access for uid %ld\n",
608 strerror(errno), (long)uid);
611 if (WIFEXITED(status) && !WEXITSTATUS(status))
625 int CtdlTryPassword(char *password)
629 if ((CC->logged_in)) {
630 lprintf(CTDL_WARNING, "CtdlTryPassword: already logged in\n");
631 return pass_already_logged_in;
633 if (!strcmp(CC->curr_user, NLI)) {
634 lprintf(CTDL_WARNING, "CtdlTryPassword: no user selected\n");
637 if (getuser(&CC->user, CC->curr_user)) {
638 lprintf(CTDL_ERR, "CtdlTryPassword: internal error\n");
639 return pass_internal_error;
641 if (password == NULL) {
642 lprintf(CTDL_INFO, "CtdlTryPassword: NULL password string supplied\n");
643 return pass_wrong_password;
648 #ifdef ENABLE_AUTOLOGIN
649 /* A uid of BBSUID or -1 indicates that this user exists only in
650 * Citadel, not in the underlying operating system.
652 if ( (CC->user.uid == BBSUID) || (CC->user.uid == (-1)) ) {
654 strproc(CC->user.password);
655 code = strcasecmp(CC->user.password, password);
657 /* Any other uid means we have to check the system password database */
659 if (validpw(CC->user.uid, password)) {
661 lgetuser(&CC->user, CC->curr_user);
662 safestrncpy(CC->user.password, password,
663 sizeof CC->user.password);
668 #else /* ENABLE_AUTOLOGIN */
670 strproc(CC->user.password);
671 code = strcasecmp(CC->user.password, password);
673 #endif /* ENABLE_AUTOLOGIN */
679 lprintf(CTDL_WARNING, "Bad password specified for <%s>\n", CC->curr_user);
680 return pass_wrong_password;
685 void cmd_pass(char *buf)
690 extract(password, buf, 0);
691 a = CtdlTryPassword(password);
694 case pass_already_logged_in:
695 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
698 cprintf("%d You must send a name with USER first.\n",
699 ERROR + USERNAME_REQUIRED);
701 case pass_wrong_password:
702 cprintf("%d Wrong password.\n", ERROR + PASSWORD_REQUIRED);
705 logged_in_response();
707 cprintf("%d Can't find user record!\n",
708 ERROR + INTERNAL_ERROR);
715 * Delete a user record *and* all of its related resources.
717 int purge_user(char pname[])
720 struct ctdluser usbuf;
721 char usernamekey[USERNAME_SIZE];
722 struct CitContext *ccptr;
723 int user_is_logged_in = 0;
725 makeuserkey(usernamekey, pname);
727 if (getuser(&usbuf, pname) != 0) {
728 lprintf(CTDL_ERR, "Cannot purge user <%s> - not found\n", pname);
729 return (ERROR + NO_SUCH_USER);
731 /* Don't delete a user who is currently logged in. Instead, just
732 * set the access level to 0, and let the account get swept up
733 * during the next purge.
735 user_is_logged_in = 0;
736 begin_critical_section(S_SESSION_TABLE);
737 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
738 if (ccptr->user.usernum == usbuf.usernum) {
739 user_is_logged_in = 1;
742 end_critical_section(S_SESSION_TABLE);
743 if (user_is_logged_in == 1) {
744 lprintf(CTDL_WARNING, "User <%s> is logged in; not deleting.\n", pname);
749 lprintf(CTDL_NOTICE, "Deleting user <%s>\n", pname);
751 /* Perform any purge functions registered by server extensions */
752 PerformUserHooks(&usbuf, EVT_PURGEUSER);
754 /* delete any existing user/room relationships */
755 cdb_delete(CDB_VISIT, &usbuf.usernum, sizeof(long));
757 /* delete the userlog entry */
758 cdb_delete(CDB_USERS, usernamekey, strlen(usernamekey));
760 /* remove the user's bio file */
761 snprintf(filename, sizeof filename, "./bio/%ld", usbuf.usernum);
764 /* remove the user's picture */
765 snprintf(filename, sizeof filename, "./userpics/%ld.gif", usbuf.usernum);
773 * create_user() - back end processing to create a new user
775 * Set 'newusername' to the desired account name.
776 * Set 'become_user' to nonzero if this is self-service account creation and we want
777 * to actually log in as the user we just created, otherwise set it to 0.
779 int create_user(char *newusername, int become_user)
781 struct ctdluser usbuf;
782 struct ctdlroom qrbuf;
784 char mailboxname[ROOMNAMELEN];
787 safestrncpy(username, newusername, sizeof username);
790 #ifdef ENABLE_AUTOLOGIN
792 struct passwd *p = (struct passwd *) getpwnam(username);
795 extract_token(username, p->pw_gecos, 0, ',');
805 if (!getuser(&usbuf, username)) {
806 return (ERROR + ALREADY_EXISTS);
809 /* Go ahead and initialize a new user record */
810 memset(&usbuf, 0, sizeof(struct ctdluser));
811 safestrncpy(usbuf.fullname, username, sizeof usbuf.fullname);
812 strcpy(usbuf.password, "");
815 /* These are the default flags on new accounts */
816 usbuf.flags = US_LASTOLD | US_DISAPPEAR | US_PAGINATOR | US_FLOORS;
818 usbuf.timescalled = 0;
820 usbuf.axlevel = config.c_initax;
821 usbuf.USscreenwidth = 80;
822 usbuf.USscreenheight = 24;
823 usbuf.lastcall = time(NULL);
825 /* fetch a new user number */
826 usbuf.usernum = get_new_user_number();
828 /* The very first user created on the system will always be an Aide */
829 if (usbuf.usernum == 1L) {
833 /* add user to userlog */
837 * Give the user a private mailbox and a configuration room.
838 * Make the latter an invisible system room.
840 MailboxName(mailboxname, sizeof mailboxname, &usbuf, MAILROOM);
841 create_room(mailboxname, 5, "", 0, 1, 1, VIEW_BBS);
843 MailboxName(mailboxname, sizeof mailboxname, &usbuf, USERCONFIGROOM);
844 create_room(mailboxname, 5, "", 0, 1, 1, VIEW_BBS);
845 if (lgetroom(&qrbuf, mailboxname) == 0) {
846 qrbuf.QRflags2 |= QR2_SYSTEM;
850 /* Perform any create functions registered by server extensions */
851 PerformUserHooks(&usbuf, EVT_NEWUSER);
853 /* Everything below this line can be bypassed if administratively
854 * creating a user, instead of doing self-service account creation
858 /* Now become the user we just created */
859 memcpy(&CC->user, &usbuf, sizeof(struct ctdluser));
860 safestrncpy(CC->curr_user, username, sizeof CC->curr_user);
863 /* Check to make sure we're still who we think we are */
864 if (getuser(&CC->user, CC->curr_user)) {
865 return (ERROR + INTERNAL_ERROR);
869 lprintf(CTDL_NOTICE, "New user <%s> created\n", username);
877 * cmd_newu() - create a new user account and log in as that user
879 void cmd_newu(char *cmdbuf)
884 if (config.c_disable_newu) {
885 cprintf("%d Self-service user account creation "
886 "is disabled on this system.\n", ERROR + NOT_HERE);
891 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
895 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
896 ERROR + MAX_SESSIONS_EXCEEDED,
897 config.c_nodename, config.c_maxsessions);
899 extract(username, cmdbuf, 0);
903 if (strlen(username) == 0) {
904 cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
908 if ((!strcasecmp(username, "bbs")) ||
909 (!strcasecmp(username, "new")) ||
910 (!strcasecmp(username, "."))) {
911 cprintf("%d '%s' is an invalid login name.\n", ERROR + ILLEGAL_VALUE, username);
915 a = create_user(username, 1);
919 logged_in_response();
920 } else if (a == ERROR + ALREADY_EXISTS) {
921 cprintf("%d '%s' already exists.\n",
922 ERROR + ALREADY_EXISTS, username);
924 } else if (a == ERROR + INTERNAL_ERROR) {
925 cprintf("%d Internal error - user record disappeared?\n",
926 ERROR + INTERNAL_ERROR);
929 cprintf("%d unknown error\n", ERROR + INTERNAL_ERROR);
938 void cmd_setp(char *new_pw)
940 if (CtdlAccessCheck(ac_logged_in)) {
943 if ( (CC->user.uid != BBSUID) && (CC->user.uid != (-1)) ) {
944 cprintf("%d Not allowed. Use the 'passwd' command.\n", ERROR + NOT_HERE);
948 if (strlen(new_pw) == 0) {
949 cprintf("%d Password unchanged.\n", CIT_OK);
952 lgetuser(&CC->user, CC->curr_user);
953 safestrncpy(CC->user.password, new_pw, sizeof(CC->user.password));
955 cprintf("%d Password changed.\n", CIT_OK);
956 lprintf(CTDL_INFO, "Password changed for user <%s>\n", CC->curr_user);
957 PerformSessionHooks(EVT_SETPASS);
962 * cmd_creu() - administratively create a new user account (do not log in to it)
964 void cmd_creu(char *cmdbuf)
971 if (CtdlAccessCheck(ac_aide)) {
975 extract(username, cmdbuf, 0);
976 extract(password, cmdbuf, 1);
982 if (strlen(username) == 0) {
983 cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
987 a = create_user(username, 0);
990 if (strlen(password) > 0) {
991 lgetuser(&tmp, username);
992 safestrncpy(tmp.password, password, sizeof(tmp.password));
995 cprintf("%d User '%s' created %s.\n", CIT_OK, username,
996 (strlen(password) > 0) ? "and password set" :
999 } else if (a == ERROR + ALREADY_EXISTS) {
1000 cprintf("%d '%s' already exists.\n",
1001 ERROR + ALREADY_EXISTS, username);
1004 cprintf("%d An error occured creating the user account.\n", ERROR + INTERNAL_ERROR);
1011 * get user parameters
1016 if (CtdlAccessCheck(ac_logged_in))
1019 getuser(&CC->user, CC->curr_user);
1020 cprintf("%d %d|%d|%d|\n",
1022 CC->user.USscreenwidth,
1023 CC->user.USscreenheight,
1024 (CC->user.flags & US_USER_SET)
1029 * set user parameters
1031 void cmd_setu(char *new_parms)
1033 if (CtdlAccessCheck(ac_logged_in))
1036 if (num_parms(new_parms) < 3) {
1037 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
1040 lgetuser(&CC->user, CC->curr_user);
1041 CC->user.USscreenwidth = extract_int(new_parms, 0);
1042 CC->user.USscreenheight = extract_int(new_parms, 1);
1043 CC->user.flags = CC->user.flags & (~US_USER_SET);
1044 CC->user.flags = CC->user.flags |
1045 (extract_int(new_parms, 2) & US_USER_SET);
1047 lputuser(&CC->user);
1048 cprintf("%d Ok\n", CIT_OK);
1052 * set last read pointer
1054 void cmd_slrp(char *new_ptr)
1058 struct visit original_vbuf;
1060 if (CtdlAccessCheck(ac_logged_in)) {
1064 if (!strncasecmp(new_ptr, "highest", 7)) {
1065 newlr = CC->room.QRhighest;
1067 newlr = atol(new_ptr);
1070 lgetuser(&CC->user, CC->curr_user);
1072 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1073 memcpy(&original_vbuf, &vbuf, sizeof(struct visit));
1074 vbuf.v_lastseen = newlr;
1075 snprintf(vbuf.v_seen, sizeof vbuf.v_seen, "*:%ld", newlr);
1077 /* Only rewrite the record if it changed */
1078 if ( (vbuf.v_lastseen != original_vbuf.v_lastseen)
1079 || (strcmp(vbuf.v_seen, original_vbuf.v_seen)) ) {
1080 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1083 lputuser(&CC->user);
1084 cprintf("%d %ld\n", CIT_OK, newlr);
1088 void cmd_seen(char *argbuf) {
1089 long target_msgnum = 0L;
1090 int target_setting = 0;
1092 if (CtdlAccessCheck(ac_logged_in)) {
1096 if (num_parms(argbuf) != 2) {
1097 cprintf("%d Invalid parameters\n", ERROR + ILLEGAL_VALUE);
1101 target_msgnum = extract_long(argbuf, 0);
1102 target_setting = extract_int(argbuf, 1);
1104 CtdlSetSeen(target_msgnum, target_setting, ctdlsetseen_seen);
1105 cprintf("%d OK\n", CIT_OK);
1109 void cmd_gtsn(char *argbuf) {
1112 if (CtdlAccessCheck(ac_logged_in)) {
1116 CtdlGetSeen(buf, ctdlsetseen_seen);
1117 cprintf("%d %s\n", CIT_OK, buf);
1122 * API function for cmd_invt_kick() and anything else that needs to
1123 * invite or kick out a user to/from a room.
1125 * Set iuser to the name of the user, and op to 1=invite or 0=kick
1127 int CtdlInvtKick(char *iuser, int op) {
1128 struct ctdluser USscratch;
1132 if (getuser(&USscratch, iuser) != 0) {
1136 CtdlGetRelationship(&vbuf, &USscratch, &CC->room);
1138 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1139 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1142 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1143 vbuf.v_flags = vbuf.v_flags | V_FORGET | V_LOCKOUT;
1145 CtdlSetRelationship(&vbuf, &USscratch, &CC->room);
1147 /* post a message in Aide> saying what we just did */
1148 snprintf(bbb, sizeof bbb, "%s %s %s> by %s\n",
1150 ((op == 1) ? "invited to" : "kicked out of"),
1160 * INVT and KICK commands
1162 void cmd_invt_kick(char *iuser, int op) {
1165 * These commands are only allowed by aides, room aides,
1166 * and room namespace owners
1169 || (atol(CC->room.QRname) == CC->user.usernum) ) {
1170 /* access granted */
1173 cprintf("%d Higher access or room ownership required.\n",
1174 ERROR + HIGHER_ACCESS_REQUIRED);
1178 if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1180 cprintf("%d Can't add/remove users from this room.\n",
1185 if (CtdlInvtKick(iuser, op) != 0) {
1186 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1190 cprintf("%d %s %s %s.\n",
1192 ((op == 1) ? "invited to" : "kicked out of"),
1199 * Forget (Zap) the current room (API call)
1200 * Returns 0 on success
1202 int CtdlForgetThisRoom(void) {
1205 /* On some systems, Aides are not allowed to forget rooms */
1206 if (is_aide() && (config.c_aide_zap == 0)
1207 && ((CC->room.QRflags & QR_MAILBOX) == 0) ) {
1211 lgetuser(&CC->user, CC->curr_user);
1212 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1214 vbuf.v_flags = vbuf.v_flags | V_FORGET;
1215 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
1217 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1218 lputuser(&CC->user);
1220 /* Return to the Lobby, so we don't end up in an undefined room */
1221 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
1228 * forget (Zap) the current room
1233 if (CtdlAccessCheck(ac_logged_in)) {
1237 if (CtdlForgetThisRoom() == 0) {
1238 cprintf("%d Ok\n", CIT_OK);
1241 cprintf("%d You may not forget this room.\n", ERROR + NOT_HERE);
1246 * Get Next Unregistered User
1250 struct cdbdata *cdbus;
1251 struct ctdluser usbuf;
1253 if (CtdlAccessCheck(ac_aide)) {
1257 if ((CitControl.MMflags & MM_VALID) == 0) {
1258 cprintf("%d There are no unvalidated users.\n", CIT_OK);
1262 /* There are unvalidated users. Traverse the user database,
1263 * and return the first user we find that needs validation.
1265 cdb_rewind(CDB_USERS);
1266 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1267 memset(&usbuf, 0, sizeof(struct ctdluser));
1268 memcpy(&usbuf, cdbus->ptr,
1269 ((cdbus->len > sizeof(struct ctdluser)) ?
1270 sizeof(struct ctdluser) : cdbus->len));
1272 if ((usbuf.flags & US_NEEDVALID)
1273 && (usbuf.axlevel > 0)) {
1274 cprintf("%d %s\n", MORE_DATA, usbuf.fullname);
1275 cdb_close_cursor(CDB_USERS);
1280 /* If we get to this point, there are no more unvalidated users.
1281 * Therefore we clear the "users need validation" flag.
1284 begin_critical_section(S_CONTROL);
1286 CitControl.MMflags = CitControl.MMflags & (~MM_VALID);
1288 end_critical_section(S_CONTROL);
1289 cprintf("%d *** End of registration.\n", CIT_OK);
1298 void cmd_vali(char *v_args)
1302 struct ctdluser userbuf;
1304 extract(user, v_args, 0);
1305 newax = extract_int(v_args, 1);
1307 if (CtdlAccessCheck(ac_aide)) {
1311 if (lgetuser(&userbuf, user) != 0) {
1312 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, user);
1316 userbuf.axlevel = newax;
1317 userbuf.flags = (userbuf.flags & ~US_NEEDVALID);
1321 /* If the access level was set to zero, delete the user */
1323 if (purge_user(user) == 0) {
1324 cprintf("%d %s Deleted.\n", CIT_OK, userbuf.fullname);
1328 cprintf("%d User '%s' validated.\n", CIT_OK, userbuf.fullname);
1334 * Traverse the user file...
1336 void ForEachUser(void (*CallBack) (struct ctdluser * EachUser, void *out_data),
1339 struct ctdluser usbuf;
1340 struct cdbdata *cdbus;
1342 cdb_rewind(CDB_USERS);
1344 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1345 memset(&usbuf, 0, sizeof(struct ctdluser));
1346 memcpy(&usbuf, cdbus->ptr,
1347 ((cdbus->len > sizeof(struct ctdluser)) ?
1348 sizeof(struct ctdluser) : cdbus->len));
1350 (*CallBack) (&usbuf, in_data);
1356 * List one user (this works with cmd_list)
1358 void ListThisUser(struct ctdluser *usbuf, void *data)
1360 if (usbuf->axlevel > 0) {
1361 if ((CC->user.axlevel >= 6)
1362 || ((usbuf->flags & US_UNLISTED) == 0)
1363 || ((CC->internal_pgm))) {
1364 cprintf("%s|%d|%ld|%ld|%ld|%ld|",
1368 (long)usbuf->lastcall,
1371 if (CC->user.axlevel >= 6)
1372 cprintf("%s", usbuf->password);
1383 cprintf("%d \n", LISTING_FOLLOWS);
1384 ForEachUser(ListThisUser, NULL);
1392 * assorted info we need to check at login
1400 if (CtdlAccessCheck(ac_logged_in)) {
1404 getuser(&CC->user, CC->curr_user); /* no lock is needed here */
1405 if ((REGISCALL != 0) && ((CC->user.flags & US_REGIS) == 0))
1408 if (CC->user.axlevel >= 6) {
1410 if (CitControl.MMflags & MM_VALID)
1414 /* check for mail */
1415 mail = InitialMailCheck();
1417 cprintf("%d %d|%d|%d|%s|\n", CIT_OK, mail, regis, vali, CC->cs_inet_email);
1422 * check to see if a user exists
1424 void cmd_qusr(char *who)
1426 struct ctdluser usbuf;
1428 if (getuser(&usbuf, who) == 0) {
1429 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1431 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1437 * Administrative Get User Parameters
1439 void cmd_agup(char *cmdbuf)
1441 struct ctdluser usbuf;
1442 char requested_user[SIZ];
1444 if (CtdlAccessCheck(ac_aide)) {
1448 extract(requested_user, cmdbuf, 0);
1449 if (getuser(&usbuf, requested_user) != 0) {
1450 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1453 cprintf("%d %s|%s|%u|%ld|%ld|%d|%ld|%ld|%d\n",
1460 (int) usbuf.axlevel,
1462 (long)usbuf.lastcall,
1469 * Administrative Set User Parameters
1471 void cmd_asup(char *cmdbuf)
1473 struct ctdluser usbuf;
1474 char requested_user[SIZ];
1480 if (CtdlAccessCheck(ac_aide))
1483 extract(requested_user, cmdbuf, 0);
1484 if (lgetuser(&usbuf, requested_user) != 0) {
1485 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1488 np = num_parms(cmdbuf);
1490 extract(usbuf.password, cmdbuf, 1);
1492 usbuf.flags = extract_int(cmdbuf, 2);
1494 usbuf.timescalled = extract_int(cmdbuf, 3);
1496 usbuf.posted = extract_int(cmdbuf, 4);
1498 newax = extract_int(cmdbuf, 5);
1499 if ((newax >= 0) && (newax <= 6)) {
1500 usbuf.axlevel = extract_int(cmdbuf, 5);
1504 usbuf.lastcall = extract_long(cmdbuf, 7);
1507 usbuf.USuserpurge = extract_int(cmdbuf, 8);
1510 if (usbuf.axlevel == 0) {
1511 if (purge_user(requested_user) == 0) {
1517 sprintf(notify, "User <%s> deleted by %s\n",
1518 usbuf.fullname, CC->user.fullname);
1519 aide_message(notify);
1522 cprintf("%d Ok", CIT_OK);
1524 cprintf(" (%s deleted)", requested_user);
1531 * Check to see if the user who we just sent mail to is logged in. If yes,
1532 * bump the 'new mail' counter for their session. That enables them to
1533 * receive a new mail notification without having to hit the database.
1535 void BumpNewMailCounter(long which_user) {
1536 struct CitContext *ptr;
1538 begin_critical_section(S_SESSION_TABLE);
1540 for (ptr = ContextList; ptr != NULL; ptr = ptr->next) {
1541 if (ptr->user.usernum == which_user) {
1546 end_critical_section(S_SESSION_TABLE);
1551 * Count the number of new mail messages the user has
1555 int num_newmsgs = 0;
1557 num_newmsgs = CC->newmail;
1560 return (num_newmsgs);
1565 * Count the number of new mail messages the user has
1567 int InitialMailCheck()
1569 int num_newmsgs = 0;
1571 char mailboxname[ROOMNAMELEN];
1572 struct ctdlroom mailbox;
1574 struct cdbdata *cdbfr;
1575 long *msglist = NULL;
1578 MailboxName(mailboxname, sizeof mailboxname, &CC->user, MAILROOM);
1579 if (getroom(&mailbox, mailboxname) != 0)
1581 CtdlGetRelationship(&vbuf, &CC->user, &mailbox);
1583 cdbfr = cdb_fetch(CDB_MSGLISTS, &mailbox.QRnumber, sizeof(long));
1585 if (cdbfr != NULL) {
1586 msglist = malloc(cdbfr->len);
1587 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1588 num_msgs = cdbfr->len / sizeof(long);
1592 for (a = 0; a < num_msgs; ++a) {
1593 if (msglist[a] > 0L) {
1594 if (msglist[a] > vbuf.v_lastseen) {
1599 if (msglist != NULL)
1602 return (num_newmsgs);
1608 * Set the preferred view for the current user/room combination
1610 void cmd_view(char *cmdbuf) {
1614 if (CtdlAccessCheck(ac_logged_in)) {
1618 requested_view = extract_int(cmdbuf, 0);
1620 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1621 vbuf.v_view = requested_view;
1622 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
1624 cprintf("%d ok\n", CIT_OK);