2 * Server functions which perform operations on user objects.
4 * Copyright (c) 1987-2019 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License, version 3.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
18 #include "ctdl_module.h"
19 #include "citserver.h"
22 #include "internet_addressing.h"
28 void cmd_user(char *cmdbuf)
33 extract_token(username, cmdbuf, 0, '|', sizeof username);
35 syslog(LOG_DEBUG, "user_ops: cmd_user(%s)", username);
37 a = CtdlLoginExistingUser(username);
39 case login_already_logged_in:
40 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
42 case login_too_many_users:
44 "Too many users are already online "
46 ERROR + MAX_SESSIONS_EXCEEDED,
47 CtdlGetConfigStr("c_nodename"), CtdlGetConfigInt("c_maxsessions"));
50 cprintf("%d Password required for %s\n",
51 MORE_DATA, CC->curr_user);
54 cprintf("%d %s not found.\n", ERROR + NO_SUCH_USER, username);
57 cprintf("%d Internal error\n", ERROR + INTERNAL_ERROR);
62 void cmd_pass(char *buf)
68 memset(password, 0, sizeof(password));
69 len = extract_token(password, buf, 0, '|', sizeof password);
70 a = CtdlTryPassword(password, len);
73 case pass_already_logged_in:
74 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
77 cprintf("%d You must send a name with USER first.\n",
78 ERROR + USERNAME_REQUIRED);
80 case pass_wrong_password:
81 cprintf("%d Wrong password.\n", ERROR + PASSWORD_REQUIRED);
91 * cmd_newu() - create a new user account and log in as that user
93 void cmd_newu(char *cmdbuf)
98 if (CtdlGetConfigInt("c_auth_mode") != AUTHMODE_NATIVE) {
99 cprintf("%d This system does not use native mode authentication.\n",
104 if (CtdlGetConfigInt("c_disable_newu")) {
105 cprintf("%d Self-service user account creation "
106 "is disabled on this system.\n", ERROR + NOT_HERE);
111 cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
115 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
116 ERROR + MAX_SESSIONS_EXCEEDED,
117 CtdlGetConfigStr("c_nodename"), CtdlGetConfigInt("c_maxsessions"));
120 extract_token(username, cmdbuf, 0, '|', sizeof username);
123 if (IsEmptyStr(username)) {
124 cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
128 if ((!strcasecmp(username, "bbs")) ||
129 (!strcasecmp(username, "new")) ||
130 (!strcasecmp(username, "."))) {
131 cprintf("%d '%s' is an invalid login name.\n", ERROR + ILLEGAL_VALUE, username);
135 a = create_user(username, CREATE_USER_BECOME_USER, NATIVE_AUTH_UID);
138 logged_in_response();
139 } else if (a == ERROR + ALREADY_EXISTS) {
140 cprintf("%d '%s' already exists.\n",
141 ERROR + ALREADY_EXISTS, username);
143 } else if (a == ERROR + INTERNAL_ERROR) {
144 cprintf("%d Internal error - user record disappeared?\n",
145 ERROR + INTERNAL_ERROR);
148 cprintf("%d unknown error\n", ERROR + INTERNAL_ERROR);
154 * set password - citadel protocol implementation
156 void cmd_setp(char *new_pw)
158 if (CtdlAccessCheck(ac_logged_in)) {
161 if ( (CC->user.uid != CTDLUID) && (CC->user.uid != (-1)) ) {
162 cprintf("%d Not allowed. Use the 'passwd' command.\n", ERROR + NOT_HERE);
166 if (!strcasecmp(new_pw, "GENERATE_RANDOM_PASSWORD")) {
167 char random_password[17];
168 snprintf(random_password, sizeof random_password, "%08lx%08lx", random(), random());
169 CtdlSetPassword(random_password);
170 cprintf("%d %s\n", CIT_OK, random_password);
174 if (IsEmptyStr(new_pw)) {
175 cprintf("%d Password unchanged.\n", CIT_OK);
178 CtdlSetPassword(new_pw);
179 cprintf("%d Password changed.\n", CIT_OK);
185 * cmd_creu() - administratively create a new user account (do not log in to it)
187 void cmd_creu(char *cmdbuf)
194 if (CtdlAccessCheck(ac_aide)) {
198 extract_token(username, cmdbuf, 0, '|', sizeof username);
201 if (IsEmptyStr(username)) {
202 cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
206 extract_token(password, cmdbuf, 1, '|', sizeof password);
208 a = create_user(username, CREATE_USER_DO_NOT_BECOME_USER, NATIVE_AUTH_UID);
211 if (!IsEmptyStr(password)) {
212 CtdlGetUserLock(&tmp, username);
213 safestrncpy(tmp.password, password, sizeof(tmp.password));
214 CtdlPutUserLock(&tmp);
216 cprintf("%d User '%s' created %s.\n", CIT_OK, username, (!IsEmptyStr(password)) ? "and password set" : "with no password");
218 } else if (a == ERROR + ALREADY_EXISTS) {
219 cprintf("%d '%s' already exists.\n", ERROR + ALREADY_EXISTS, username);
221 } else if ( (CtdlGetConfigInt("c_auth_mode") != AUTHMODE_NATIVE) && (a == ERROR + NO_SUCH_USER) ) {
222 cprintf("%d User accounts are not created within Citadel in host authentication mode.\n", ERROR + NO_SUCH_USER);
225 cprintf("%d An error occurred creating the user account.\n", ERROR + INTERNAL_ERROR);
231 * get user parameters
233 void cmd_getu(char *cmdbuf)
235 if (CtdlAccessCheck(ac_logged_in))
238 CtdlGetUser(&CC->user, CC->curr_user);
239 cprintf("%d 80|24|%d|\n", CIT_OK, (CC->user.flags & US_USER_SET));
244 * set user parameters
246 void cmd_setu(char *new_parms)
248 if (CtdlAccessCheck(ac_logged_in))
251 if (num_parms(new_parms) < 3) {
252 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
255 CtdlLockGetCurrentUser();
256 CC->user.flags = CC->user.flags & (~US_USER_SET);
257 CC->user.flags = CC->user.flags | (extract_int(new_parms, 2) & US_USER_SET);
258 CtdlPutCurrentUserLock();
259 cprintf("%d Ok\n", CIT_OK);
264 * set last read pointer
266 void cmd_slrp(char *new_ptr)
272 if (CtdlAccessCheck(ac_logged_in)) {
276 if (!strncasecmp(new_ptr, "highest", 7)) {
277 newlr = CC->room.QRhighest;
279 newlr = atol(new_ptr);
282 CtdlLockGetCurrentUser();
284 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
285 memcpy(&original_vbuf, &vbuf, sizeof(visit));
286 vbuf.v_lastseen = newlr;
287 snprintf(vbuf.v_seen, sizeof vbuf.v_seen, "*:%ld", newlr);
289 /* Only rewrite the record if it changed */
290 if ( (vbuf.v_lastseen != original_vbuf.v_lastseen)
291 || (strcmp(vbuf.v_seen, original_vbuf.v_seen)) ) {
292 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
295 CtdlPutCurrentUserLock();
296 cprintf("%d %ld\n", CIT_OK, newlr);
300 void cmd_seen(char *argbuf) {
301 long target_msgnum = 0L;
302 int target_setting = 0;
304 if (CtdlAccessCheck(ac_logged_in)) {
308 if (num_parms(argbuf) != 2) {
309 cprintf("%d Invalid parameters\n", ERROR + ILLEGAL_VALUE);
313 target_msgnum = extract_long(argbuf, 0);
314 target_setting = extract_int(argbuf, 1);
316 CtdlSetSeen(&target_msgnum, 1, target_setting,
317 ctdlsetseen_seen, NULL, NULL);
318 cprintf("%d OK\n", CIT_OK);
322 void cmd_gtsn(char *argbuf) {
325 if (CtdlAccessCheck(ac_logged_in)) {
329 /* Learn about the user and room in question */
330 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
332 cprintf("%d ", CIT_OK);
333 client_write(vbuf.v_seen, strlen(vbuf.v_seen));
334 client_write(HKEY("\n"));
339 * INVT and KICK commands
341 void cmd_invt_kick(char *iuser, int op) {
344 * These commands are only allowed by admins, room admins,
345 * and room namespace owners
347 if (is_room_aide()) {
349 } else if ( ((atol(CC->room.QRname) == CC->user.usernum) ) && (CC->user.usernum != 0) ) {
353 cprintf("%d Higher access or room ownership required.\n", ERROR + HIGHER_ACCESS_REQUIRED);
357 if (!strncasecmp(CC->room.QRname, CtdlGetConfigStr("c_baseroom"),
359 cprintf("%d Can't add/remove users from this room.\n", ERROR + NOT_HERE);
363 if (CtdlInvtKick(iuser, op) != 0) {
364 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
368 cprintf("%d %s %s %s.\n",
370 ((op == 1) ? "invited to" : "kicked out of"),
376 void cmd_invt(char *iuser) {
377 cmd_invt_kick(iuser, 1);
381 void cmd_kick(char *iuser) {
382 cmd_invt_kick(iuser, 0);
387 * forget (Zap) the current room
389 void cmd_forg(char *argbuf)
392 if (CtdlAccessCheck(ac_logged_in)) {
396 if (CtdlForgetThisRoom() == 0) {
397 cprintf("%d Ok\n", CIT_OK);
400 cprintf("%d You may not forget this room.\n", ERROR + NOT_HERE);
406 * Get Next Unregistered User
408 void cmd_gnur(char *argbuf)
410 struct cdbdata *cdbus;
411 struct ctdluser usbuf;
413 if (CtdlAccessCheck(ac_aide)) {
417 if ((CtdlGetConfigInt("MMflags") & MM_VALID) == 0) {
418 cprintf("%d There are no unvalidated users.\n", CIT_OK);
422 /* There are unvalidated users. Traverse the user database,
423 * and return the first user we find that needs validation.
425 cdb_rewind(CDB_USERS);
426 while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
427 memset(&usbuf, 0, sizeof(struct ctdluser));
428 memcpy(&usbuf, cdbus->ptr, ((cdbus->len > sizeof(struct ctdluser)) ? sizeof(struct ctdluser) : cdbus->len));
430 if ((usbuf.flags & US_NEEDVALID) && (usbuf.axlevel > AxDeleted)) {
431 cprintf("%d %s\n", MORE_DATA, usbuf.fullname);
432 cdb_close_cursor(CDB_USERS);
437 /* If we get to this point, there are no more unvalidated users.
438 * Therefore we clear the "users need validation" flag.
441 begin_critical_section(S_CONTROL);
443 flags = CtdlGetConfigInt("MMflags");
444 flags = flags & (~MM_VALID);
445 CtdlSetConfigInt("MMflags", flags);
446 end_critical_section(S_CONTROL);
447 cprintf("%d *** End of registration.\n", CIT_OK);
454 void cmd_vali(char *v_args)
458 struct ctdluser userbuf;
460 extract_token(user, v_args, 0, '|', sizeof user);
461 newax = extract_int(v_args, 1);
463 if (CtdlAccessCheck(ac_aide) || (newax > AxAideU) || (newax < AxDeleted)) {
467 if (CtdlGetUserLock(&userbuf, user) != 0) {
468 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, user);
472 userbuf.axlevel = newax;
473 userbuf.flags = (userbuf.flags & ~US_NEEDVALID);
475 CtdlPutUserLock(&userbuf);
477 /* If the access level was set to zero, delete the user */
479 if (purge_user(user) == 0) {
480 cprintf("%d %s Deleted.\n", CIT_OK, userbuf.fullname);
484 cprintf("%d User '%s' validated.\n", CIT_OK, userbuf.fullname);
489 * List one user (this works with cmd_list)
491 void ListThisUser(char *username, void *data)
494 struct ctdluser usbuf;
496 if (CtdlGetUser(&usbuf, username) != 0) {
500 searchstring = (char *)data;
501 if (bmstrcasestr(usbuf.fullname, searchstring) == NULL) {
505 if (usbuf.axlevel > AxDeleted) {
506 if ((CC->user.axlevel >= AxAideU)
507 || ((usbuf.flags & US_UNLISTED) == 0)
508 || ((CC->internal_pgm))) {
509 cprintf("%s|%d|%ld|%ld|%ld|%ld||\n",
513 (long)usbuf.lastcall,
522 * List users (searchstring may be empty to list all users)
524 void cmd_list(char *cmdbuf)
526 char searchstring[256];
527 extract_token(searchstring, cmdbuf, 0, '|', sizeof searchstring);
528 striplt(searchstring);
529 cprintf("%d \n", LISTING_FOLLOWS);
530 ForEachUser(ListThisUser, (void *)searchstring );
536 * assorted info we need to check at login
538 void cmd_chek(char *argbuf)
544 if (CtdlAccessCheck(ac_logged_in)) {
548 CtdlGetUser(&CC->user, CC->curr_user); // no lock is needed here
549 if ((REGISCALL != 0) && ((CC->user.flags & US_REGIS) == 0)) {
553 if (CC->user.axlevel >= AxAideU) {
554 if (CtdlGetConfigInt("MMflags") & MM_VALID) {
559 mail = InitialMailCheck(); // check for mail
561 cprintf("%d %d|%d|%d|%s|\n", CIT_OK, mail, regis, vali, CC->cs_inet_email);
566 * check to see if a user exists
568 void cmd_qusr(char *who)
570 struct ctdluser usbuf;
572 if (CtdlGetUser(&usbuf, who) == 0) {
573 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
575 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
581 * Administrative Get User Parameters
583 void cmd_agup(char *cmdbuf)
585 struct ctdluser usbuf;
586 char requested_user[128];
588 if (CtdlAccessCheck(ac_aide)) {
592 extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
593 if (CtdlGetUser(&usbuf, requested_user) != 0) {
594 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
597 cprintf("%d %s|%s|%u|%ld|%ld|%d|%ld|%ld|%d\n",
606 (long)usbuf.lastcall,
612 * Administrative Set User Parameters
614 void cmd_asup(char *cmdbuf)
616 struct ctdluser usbuf;
617 char requested_user[128];
623 if (CtdlAccessCheck(ac_aide))
626 extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
627 if (CtdlGetUserLock(&usbuf, requested_user) != 0) {
628 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
631 np = num_parms(cmdbuf);
633 extract_token(usbuf.password, cmdbuf, 1, '|', sizeof usbuf.password);
635 usbuf.flags = extract_int(cmdbuf, 2);
637 usbuf.timescalled = extract_int(cmdbuf, 3);
639 usbuf.posted = extract_int(cmdbuf, 4);
641 newax = extract_int(cmdbuf, 5);
642 if ((newax >= AxDeleted) && (newax <= AxAideU)) {
643 usbuf.axlevel = newax;
647 usbuf.lastcall = extract_long(cmdbuf, 7);
650 usbuf.USuserpurge = extract_int(cmdbuf, 8);
652 CtdlPutUserLock(&usbuf);
653 if (usbuf.axlevel == AxDeleted) {
654 if (purge_user(requested_user) == 0) {
660 snprintf(notify, SIZ,
661 "User \"%s\" has been deleted by %s.\n",
662 usbuf.fullname, (CC->logged_in ? CC->user.fullname : "an administrator")
664 CtdlAideMessage(notify, "User Deletion Message");
667 cprintf("%d Ok", CIT_OK);
669 cprintf(" (%s deleted)", requested_user);
676 * Citadel protocol command to do the same
678 void cmd_isme(char *argbuf) {
681 if (CtdlAccessCheck(ac_logged_in)) return;
682 extract_token(addr, argbuf, 0, '|', sizeof addr);
684 if (CtdlIsMe(addr, sizeof addr)) {
685 cprintf("%d %s\n", CIT_OK, addr);
688 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
695 * Administrative Get Email Addresses
697 void cmd_agea(char *cmdbuf)
699 struct ctdluser usbuf;
700 char requested_user[128];
704 if (CtdlAccessCheck(ac_aide)) {
708 extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
709 if (CtdlGetUser(&usbuf, requested_user) != 0) {
710 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
713 cprintf("%d internet email addresses for %s\n", LISTING_FOLLOWS, usbuf.fullname);
714 num_e = num_tokens(usbuf.emailaddrs, '|');
715 for (i=0; i<num_e; ++i) {
716 extract_token(e, usbuf.emailaddrs, i, '|', sizeof e);
724 * Administrative Set Email Addresses
726 void cmd_asea(char *cmdbuf)
728 struct ctdluser usbuf;
729 char requested_user[128];
732 char new_emailaddrs[512] = { 0 } ;
734 if (CtdlAccessCheck(ac_aide)) return;
736 extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
737 if (CtdlGetUser(&usbuf, requested_user) != 0) {
738 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
742 cprintf("%d Ok\n", SEND_LISTING);
743 while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
744 if ( // addresses must be:
745 (!IsEmptyStr(buf)) // non-empty
746 && ((strlen(new_emailaddrs) + strlen(buf) + 2) < sizeof(new_emailaddrs)) // fit in the remaining buffer
747 && (IsDirectory(buf, 0)) // in one of our own domains
748 && ( // not belong to someone else
749 (CtdlDirectoryLookup(whodat, buf, sizeof whodat) != 0)
750 || (!strcasecmp(whodat, requested_user))
753 if (!IsEmptyStr(new_emailaddrs)) {
754 strcat(new_emailaddrs, "|");
756 strcat(new_emailaddrs, buf);
761 CtdlSetEmailAddressesForUser(requested_user, new_emailaddrs);
766 * Set the preferred view for the current user/room combination
768 void cmd_view(char *cmdbuf) {
772 if (CtdlAccessCheck(ac_logged_in)) {
776 requested_view = extract_int(cmdbuf, 0);
778 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
779 vbuf.v_view = requested_view;
780 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
782 cprintf("%d ok\n", CIT_OK);
789 void cmd_renu(char *cmdbuf)
792 char oldname[USERNAME_SIZE];
793 char newname[USERNAME_SIZE];
795 if (CtdlAccessCheck(ac_aide)) {
799 extract_token(oldname, cmdbuf, 0, '|', sizeof oldname);
800 extract_token(newname, cmdbuf, 1, '|', sizeof newname);
802 retcode = rename_user(oldname, newname);
805 cprintf("%d '%s' has been renamed to '%s'.\n", CIT_OK, oldname, newname);
807 case RENAMEUSER_LOGGED_IN:
808 cprintf("%d '%s' is currently logged in and cannot be renamed.\n",
809 ERROR + ALREADY_LOGGED_IN , oldname
812 case RENAMEUSER_NOT_FOUND:
813 cprintf("%d '%s' does not exist.\n", ERROR + NO_SUCH_USER, oldname);
815 case RENAMEUSER_ALREADY_EXISTS:
816 cprintf("%d A user named '%s' already exists.\n", ERROR + ALREADY_EXISTS, newname);
820 cprintf("%d An unknown error occurred.\n", ERROR);
824 void cmd_quit(char *argbuf)
826 cprintf("%d Goodbye.\n", CIT_OK);
827 CC->kill_me = KILLME_CLIENT_LOGGED_OUT;
831 void cmd_lout(char *argbuf)
835 cprintf("%d logged out.\n", CIT_OK);
839 /*****************************************************************************/
840 /* MODULE INITIALIZATION STUFF */
841 /*****************************************************************************/
844 CTDL_MODULE_INIT(serv_user)
847 CtdlRegisterProtoHook(cmd_user, "USER", "Submit username for login");
848 CtdlRegisterProtoHook(cmd_pass, "PASS", "Complete login by submitting a password");
849 CtdlRegisterProtoHook(cmd_quit, "QUIT", "log out and disconnect from server");
850 CtdlRegisterProtoHook(cmd_lout, "LOUT", "log out but do not disconnect from server");
851 CtdlRegisterProtoHook(cmd_creu, "CREU", "Create User");
852 CtdlRegisterProtoHook(cmd_setp, "SETP", "Set the password for an account");
853 CtdlRegisterProtoHook(cmd_getu, "GETU", "Get User parameters");
854 CtdlRegisterProtoHook(cmd_setu, "SETU", "Set User parameters");
855 CtdlRegisterProtoHook(cmd_slrp, "SLRP", "Set Last Read Pointer");
856 CtdlRegisterProtoHook(cmd_invt, "INVT", "Invite a user to a room");
857 CtdlRegisterProtoHook(cmd_kick, "KICK", "Kick a user out of a room");
858 CtdlRegisterProtoHook(cmd_forg, "FORG", "Forget a room");
859 CtdlRegisterProtoHook(cmd_gnur, "GNUR", "Get Next Unregistered User");
860 CtdlRegisterProtoHook(cmd_vali, "VALI", "Validate new users");
861 CtdlRegisterProtoHook(cmd_list, "LIST", "List users");
862 CtdlRegisterProtoHook(cmd_chek, "CHEK", "assorted info we need to check at login");
863 CtdlRegisterProtoHook(cmd_qusr, "QUSR", "check to see if a user exists");
864 CtdlRegisterProtoHook(cmd_agup, "AGUP", "Administratively Get User Parameters");
865 CtdlRegisterProtoHook(cmd_asup, "ASUP", "Administratively Set User Parameters");
866 CtdlRegisterProtoHook(cmd_agea, "AGEA", "Administratively Get Email Addresses");
867 CtdlRegisterProtoHook(cmd_asea, "ASEA", "Administratively Set Email Addresses");
868 CtdlRegisterProtoHook(cmd_seen, "SEEN", "Manipulate seen/unread message flags");
869 CtdlRegisterProtoHook(cmd_gtsn, "GTSN", "Fetch seen/unread message flags");
870 CtdlRegisterProtoHook(cmd_view, "VIEW", "Set preferred view for user/room combination");
871 CtdlRegisterProtoHook(cmd_renu, "RENU", "Rename a user");
872 CtdlRegisterProtoHook(cmd_newu, "NEWU", "Log in as a new user");
873 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
875 /* return our Subversion id for the Log */