oops, forgot to add the user commands
authorWilfried Goesgens <dothebart@citadel.org>
Sat, 14 Sep 2013 09:36:21 +0000 (11:36 +0200)
committerWilfried Goesgens <dothebart@citadel.org>
Sat, 14 Sep 2013 09:36:21 +0000 (11:36 +0200)
citadel/modules/ctdlproto/serv_user.c [new file with mode: 0644]

diff --git a/citadel/modules/ctdlproto/serv_user.c b/citadel/modules/ctdlproto/serv_user.c
new file mode 100644 (file)
index 0000000..c8c8aaa
--- /dev/null
@@ -0,0 +1,811 @@
+/* 
+ * Server functions which perform operations on user objects.
+ *
+ * Copyright (c) 1987-2011 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "sysdep.h"
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <pwd.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <syslog.h>
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+#  include <sys/time.h>
+# else
+#  include <time.h>
+# endif
+#endif
+
+#include <string.h>
+#include <limits.h>
+#include <libcitadel.h>
+#include "auth.h"
+#include "citadel.h"
+#include "server.h"
+#include "database.h"
+#include "sysdep_decls.h"
+#include "support.h"
+#include "room_ops.h"
+#include "file_ops.h"
+#include "control.h"
+#include "msgbase.h"
+#include "config.h"
+#include "citserver.h"
+#include "citadel_dirs.h"
+#include "genstamp.h"
+#include "threads.h"
+#include "citadel_ldap.h"
+#include "context.h"
+#include "ctdl_module.h"
+#include "user_ops.h"
+#include "internet_addressing.h"
+
+
+
+/*
+ * USER cmd
+ */
+void cmd_user(char *cmdbuf)
+{
+       char username[256];
+       int a;
+
+       CON_syslog(LOG_DEBUG, "cmd_user(%s)\n", cmdbuf);
+       extract_token(username, cmdbuf, 0, '|', sizeof username);
+       CON_syslog(LOG_DEBUG, "username: %s\n", username);
+       striplt(username);
+       CON_syslog(LOG_DEBUG, "username: %s\n", username);
+
+       a = CtdlLoginExistingUser(NULL, username);
+       switch (a) {
+       case login_already_logged_in:
+               cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
+               return;
+       case login_too_many_users:
+               cprintf("%d %s: "
+                       "Too many users are already online "
+                       "(maximum is %d)\n",
+                       ERROR + MAX_SESSIONS_EXCEEDED,
+                       config.c_nodename, config.c_maxsessions);
+               return;
+       case login_ok:
+               cprintf("%d Password required for %s\n",
+                       MORE_DATA, CC->curr_user);
+               return;
+       case login_not_found:
+               cprintf("%d %s not found.\n", ERROR + NO_SUCH_USER, username);
+               return;
+       default:
+               cprintf("%d Internal error\n", ERROR + INTERNAL_ERROR);
+       }
+}
+
+
+void cmd_pass(char *buf)
+{
+       char password[SIZ];
+       int a;
+       long len;
+
+       memset(password, 0, sizeof(password));
+       len = extract_token(password, buf, 0, '|', sizeof password);
+       a = CtdlTryPassword(password, len);
+
+       switch (a) {
+       case pass_already_logged_in:
+               cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
+               return;
+       case pass_no_user:
+               cprintf("%d You must send a name with USER first.\n",
+                       ERROR + USERNAME_REQUIRED);
+               return;
+       case pass_wrong_password:
+               cprintf("%d Wrong password.\n", ERROR + PASSWORD_REQUIRED);
+               return;
+       case pass_ok:
+               logged_in_response();
+               return;
+       }
+}
+
+
+/*
+ * cmd_newu()  -  create a new user account and log in as that user
+ */
+void cmd_newu(char *cmdbuf)
+{
+       int a;
+       long len;
+       char username[SIZ];
+
+       if (config.c_auth_mode != AUTHMODE_NATIVE) {
+               cprintf("%d This system does not use native mode authentication.\n",
+                       ERROR + NOT_HERE);
+               return;
+       }
+
+       if (config.c_disable_newu) {
+               cprintf("%d Self-service user account creation "
+                       "is disabled on this system.\n", ERROR + NOT_HERE);
+               return;
+       }
+
+       if (CC->logged_in) {
+               cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
+               return;
+       }
+       if (CC->nologin) {
+               cprintf("%d %s: Too many users are already online (maximum is %d)\n",
+                       ERROR + MAX_SESSIONS_EXCEEDED,
+                       config.c_nodename, config.c_maxsessions);
+       }
+       extract_token(username, cmdbuf, 0, '|', sizeof username);
+       strproc(username);
+       len = cutuserkey(username);
+
+       if (IsEmptyStr(username)) {
+               cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
+               return;
+       }
+
+       if ((!strcasecmp(username, "bbs")) ||
+           (!strcasecmp(username, "new")) ||
+           (!strcasecmp(username, "."))) {
+               cprintf("%d '%s' is an invalid login name.\n", ERROR + ILLEGAL_VALUE, username);
+               return;
+       }
+
+       a = create_user(username, len, 1);
+
+       if (a == 0) {
+               logged_in_response();
+       } else if (a == ERROR + ALREADY_EXISTS) {
+               cprintf("%d '%s' already exists.\n",
+                       ERROR + ALREADY_EXISTS, username);
+               return;
+       } else if (a == ERROR + INTERNAL_ERROR) {
+               cprintf("%d Internal error - user record disappeared?\n",
+                       ERROR + INTERNAL_ERROR);
+               return;
+       } else {
+               cprintf("%d unknown error\n", ERROR + INTERNAL_ERROR);
+       }
+}
+
+/*
+ * set password - citadel protocol implementation
+ */
+void cmd_setp(char *new_pw)
+{
+       if (CtdlAccessCheck(ac_logged_in)) {
+               return;
+       }
+       if ( (CC->user.uid != CTDLUID) && (CC->user.uid != (-1)) ) {
+               cprintf("%d Not allowed.  Use the 'passwd' command.\n", ERROR + NOT_HERE);
+               return;
+       }
+       if (CC->is_master) {
+               cprintf("%d The master prefix password cannot be changed with this command.\n",
+                       ERROR + NOT_HERE);
+               return;
+       }
+
+       if (!strcasecmp(new_pw, "GENERATE_RANDOM_PASSWORD")) {
+               char random_password[17];
+               snprintf(random_password, sizeof random_password, "%08lx%08lx", random(), random());
+               CtdlSetPassword(random_password);
+               cprintf("%d %s\n", CIT_OK, random_password);
+       }
+       else {
+               strproc(new_pw);
+               if (IsEmptyStr(new_pw)) {
+                       cprintf("%d Password unchanged.\n", CIT_OK);
+                       return;
+               }
+               CtdlSetPassword(new_pw);
+               cprintf("%d Password changed.\n", CIT_OK);
+       }
+}
+
+
+/*
+ * cmd_creu() - administratively create a new user account (do not log in to it)
+ */
+void cmd_creu(char *cmdbuf)
+{
+       int a;
+       long len;
+       char username[SIZ];
+       char password[SIZ];
+       struct ctdluser tmp;
+
+       if (CtdlAccessCheck(ac_aide)) {
+               return;
+       }
+
+       extract_token(username, cmdbuf, 0, '|', sizeof username);
+       strproc(username);
+       strproc(password);
+       if (IsEmptyStr(username)) {
+               cprintf("%d You must supply a user name.\n", ERROR + USERNAME_REQUIRED);
+               return;
+       }
+       len = cutuserkey(username);
+
+
+       extract_token(password, cmdbuf, 1, '|', sizeof password);
+
+       a = create_user(username, len, 0);
+
+       if (a == 0) {
+               if (!IsEmptyStr(password)) {
+                       CtdlGetUserLock(&tmp, username);
+                       safestrncpy(tmp.password, password, sizeof(tmp.password));
+                       CtdlPutUserLock(&tmp);
+               }
+               cprintf("%d User '%s' created %s.\n", CIT_OK, username,
+                               (!IsEmptyStr(password)) ? "and password set" :
+                               "with no password");
+               return;
+       } else if (a == ERROR + ALREADY_EXISTS) {
+               cprintf("%d '%s' already exists.\n", ERROR + ALREADY_EXISTS, username);
+               return;
+       } else if ( (config.c_auth_mode != AUTHMODE_NATIVE) && (a == ERROR + NO_SUCH_USER) ) {
+               cprintf("%d User accounts are not created within Citadel in host authentication mode.\n",
+                       ERROR + NO_SUCH_USER);
+               return;
+       } else {
+               cprintf("%d An error occurred creating the user account.\n", ERROR + INTERNAL_ERROR);
+       }
+}
+
+
+
+/*
+ * get user parameters
+ */
+void cmd_getu(char *cmdbuf)
+{
+
+       if (CtdlAccessCheck(ac_logged_in))
+               return;
+
+       CtdlGetUser(&CC->user, CC->curr_user);
+       cprintf("%d 80|24|%d|\n",
+               CIT_OK,
+               (CC->user.flags & US_USER_SET)
+       );
+}
+
+/*
+ * set user parameters
+ */
+void cmd_setu(char *new_parms)
+{
+       if (CtdlAccessCheck(ac_logged_in))
+               return;
+
+       if (num_parms(new_parms) < 3) {
+               cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
+               return;
+       }
+       CtdlGetUserLock(&CC->user, CC->curr_user);
+       CC->user.flags = CC->user.flags & (~US_USER_SET);
+       CC->user.flags = CC->user.flags | (extract_int(new_parms, 2) & US_USER_SET);
+       CtdlPutUserLock(&CC->user);
+       cprintf("%d Ok\n", CIT_OK);
+}
+
+/*
+ * set last read pointer
+ */
+void cmd_slrp(char *new_ptr)
+{
+       long newlr;
+       visit vbuf;
+       visit original_vbuf;
+
+       if (CtdlAccessCheck(ac_logged_in)) {
+               return;
+       }
+
+       if (!strncasecmp(new_ptr, "highest", 7)) {
+               newlr = CC->room.QRhighest;
+       } else {
+               newlr = atol(new_ptr);
+       }
+
+       CtdlGetUserLock(&CC->user, CC->curr_user);
+
+       CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
+       memcpy(&original_vbuf, &vbuf, sizeof(visit));
+       vbuf.v_lastseen = newlr;
+       snprintf(vbuf.v_seen, sizeof vbuf.v_seen, "*:%ld", newlr);
+
+       /* Only rewrite the record if it changed */
+       if ( (vbuf.v_lastseen != original_vbuf.v_lastseen)
+          || (strcmp(vbuf.v_seen, original_vbuf.v_seen)) ) {
+               CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
+       }
+
+       CtdlPutUserLock(&CC->user);
+       cprintf("%d %ld\n", CIT_OK, newlr);
+}
+
+
+void cmd_seen(char *argbuf) {
+       long target_msgnum = 0L;
+       int target_setting = 0;
+
+       if (CtdlAccessCheck(ac_logged_in)) {
+               return;
+       }
+
+       if (num_parms(argbuf) != 2) {
+               cprintf("%d Invalid parameters\n", ERROR + ILLEGAL_VALUE);
+               return;
+       }
+
+       target_msgnum = extract_long(argbuf, 0);
+       target_setting = extract_int(argbuf, 1);
+
+       CtdlSetSeen(&target_msgnum, 1, target_setting,
+                       ctdlsetseen_seen, NULL, NULL);
+       cprintf("%d OK\n", CIT_OK);
+}
+
+
+void cmd_gtsn(char *argbuf) {
+       visit vbuf;
+
+       if (CtdlAccessCheck(ac_logged_in)) {
+               return;
+       }
+
+       /* Learn about the user and room in question */
+       CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
+
+       cprintf("%d ", CIT_OK);
+       client_write(vbuf.v_seen, strlen(vbuf.v_seen));
+       client_write(HKEY("\n"));
+}
+
+/*
+ * INVT and KICK commands
+ */
+void cmd_invt_kick(char *iuser, int op) {
+
+       /*
+        * These commands are only allowed by admins, room admins,
+        * and room namespace owners
+        */
+       if (is_room_aide()) {
+               /* access granted */
+       } else if ( ((atol(CC->room.QRname) == CC->user.usernum) ) && (CC->user.usernum != 0) ) {
+               /* access granted */
+       } else {
+               /* access denied */
+               cprintf("%d Higher access or room ownership required.\n",
+                       ERROR + HIGHER_ACCESS_REQUIRED);
+               return;
+       }
+
+       if (!strncasecmp(CC->room.QRname, config.c_baseroom,
+                        ROOMNAMELEN)) {
+               cprintf("%d Can't add/remove users from this room.\n",
+                       ERROR + NOT_HERE);
+               return;
+       }
+
+       if (CtdlInvtKick(iuser, op) != 0) {
+               cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
+               return;
+       }
+
+       cprintf("%d %s %s %s.\n",
+               CIT_OK, iuser,
+               ((op == 1) ? "invited to" : "kicked out of"),
+               CC->room.QRname);
+       return;
+}
+
+void cmd_invt(char *iuser) {cmd_invt_kick(iuser, 1);}
+void cmd_kick(char *iuser) {cmd_invt_kick(iuser, 0);}
+
+
+/*
+ * forget (Zap) the current room
+ */
+void cmd_forg(char *argbuf)
+{
+
+       if (CtdlAccessCheck(ac_logged_in)) {
+               return;
+       }
+
+       if (CtdlForgetThisRoom() == 0) {
+               cprintf("%d Ok\n", CIT_OK);
+       }
+       else {
+               cprintf("%d You may not forget this room.\n", ERROR + NOT_HERE);
+       }
+}
+
+/*
+ * Get Next Unregistered User
+ */
+void cmd_gnur(char *argbuf)
+{
+       struct cdbdata *cdbus;
+       struct ctdluser usbuf;
+
+       if (CtdlAccessCheck(ac_aide)) {
+               return;
+       }
+
+       if ((CitControl.MMflags & MM_VALID) == 0) {
+               cprintf("%d There are no unvalidated users.\n", CIT_OK);
+               return;
+       }
+
+       /* There are unvalidated users.  Traverse the user database,
+        * and return the first user we find that needs validation.
+        */
+       cdb_rewind(CDB_USERS);
+       while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
+               memset(&usbuf, 0, sizeof(struct ctdluser));
+               memcpy(&usbuf, cdbus->ptr,
+                      ((cdbus->len > sizeof(struct ctdluser)) ?
+                       sizeof(struct ctdluser) : cdbus->len));
+               cdb_free(cdbus);
+               if ((usbuf.flags & US_NEEDVALID)
+                   && (usbuf.axlevel > AxDeleted)) {
+                       cprintf("%d %s\n", MORE_DATA, usbuf.fullname);
+                       cdb_close_cursor(CDB_USERS);
+                       return;
+               }
+       }
+
+       /* If we get to this point, there are no more unvalidated users.
+        * Therefore we clear the "users need validation" flag.
+        */
+
+       begin_critical_section(S_CONTROL);
+       get_control();
+       CitControl.MMflags = CitControl.MMflags & (~MM_VALID);
+       put_control();
+       end_critical_section(S_CONTROL);
+       cprintf("%d *** End of registration.\n", CIT_OK);
+
+
+}
+
+
+/*
+ * validate a user
+ */
+void cmd_vali(char *v_args)
+{
+       char user[128];
+       int newax;
+       struct ctdluser userbuf;
+
+       extract_token(user, v_args, 0, '|', sizeof user);
+       newax = extract_int(v_args, 1);
+
+       if (CtdlAccessCheck(ac_aide) || 
+           (newax > AxAideU) ||
+           (newax < AxDeleted)) {
+               return;
+       }
+
+       if (CtdlGetUserLock(&userbuf, user) != 0) {
+               cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, user);
+               return;
+       }
+
+       userbuf.axlevel = newax;
+       userbuf.flags = (userbuf.flags & ~US_NEEDVALID);
+
+       CtdlPutUserLock(&userbuf);
+
+       /* If the access level was set to zero, delete the user */
+       if (newax == 0) {
+               if (purge_user(user) == 0) {
+                       cprintf("%d %s Deleted.\n", CIT_OK, userbuf.fullname);
+                       return;
+               }
+       }
+       cprintf("%d User '%s' validated.\n", CIT_OK, userbuf.fullname);
+}
+
+/* 
+ *  List users (searchstring may be empty to list all users)
+ */
+void cmd_list(char *cmdbuf)
+{
+       char searchstring[256];
+       extract_token(searchstring, cmdbuf, 0, '|', sizeof searchstring);
+       striplt(searchstring);
+       cprintf("%d \n", LISTING_FOLLOWS);
+       ForEachUser(ListThisUser, (void *)searchstring );
+       cprintf("000\n");
+}
+
+
+
+
+/*
+ * assorted info we need to check at login
+ */
+void cmd_chek(char *argbuf)
+{
+       int mail = 0;
+       int regis = 0;
+       int vali = 0;
+
+       if (CtdlAccessCheck(ac_logged_in)) {
+               return;
+       }
+
+       CtdlGetUser(&CC->user, CC->curr_user);  /* no lock is needed here */
+       if ((REGISCALL != 0) && ((CC->user.flags & US_REGIS) == 0))
+               regis = 1;
+
+       if (CC->user.axlevel >= AxAideU) {
+               get_control();
+               if (CitControl.MMflags & MM_VALID)
+                       vali = 1;
+       }
+
+       /* check for mail */
+       mail = InitialMailCheck();
+
+       cprintf("%d %d|%d|%d|%s|\n", CIT_OK, mail, regis, vali, CC->cs_inet_email);
+}
+
+
+/*
+ * check to see if a user exists
+ */
+void cmd_qusr(char *who)
+{
+       struct ctdluser usbuf;
+
+       if (CtdlGetUser(&usbuf, who) == 0) {
+               cprintf("%d %s\n", CIT_OK, usbuf.fullname);
+       } else {
+               cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
+       }
+}
+
+
+/*
+ * Administrative Get User Parameters
+ */
+void cmd_agup(char *cmdbuf)
+{
+       struct ctdluser usbuf;
+       char requested_user[128];
+
+       if (CtdlAccessCheck(ac_aide)) {
+               return;
+       }
+
+       extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
+       if (CtdlGetUser(&usbuf, requested_user) != 0) {
+               cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
+               return;
+       }
+       cprintf("%d %s|%s|%u|%ld|%ld|%d|%ld|%ld|%d\n",
+               CIT_OK,
+               usbuf.fullname,
+               usbuf.password,
+               usbuf.flags,
+               usbuf.timescalled,
+               usbuf.posted,
+               (int) usbuf.axlevel,
+               usbuf.usernum,
+               (long)usbuf.lastcall,
+               usbuf.USuserpurge);
+}
+
+
+
+/*
+ * Administrative Set User Parameters
+ */
+void cmd_asup(char *cmdbuf)
+{
+       struct ctdluser usbuf;
+       char requested_user[128];
+       char notify[SIZ];
+       int np;
+       int newax;
+       int deleted = 0;
+
+       if (CtdlAccessCheck(ac_aide))
+               return;
+
+       extract_token(requested_user, cmdbuf, 0, '|', sizeof requested_user);
+       if (CtdlGetUserLock(&usbuf, requested_user) != 0) {
+               cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
+               return;
+       }
+       np = num_parms(cmdbuf);
+       if (np > 1)
+               extract_token(usbuf.password, cmdbuf, 1, '|', sizeof usbuf.password);
+       if (np > 2)
+               usbuf.flags = extract_int(cmdbuf, 2);
+       if (np > 3)
+               usbuf.timescalled = extract_int(cmdbuf, 3);
+       if (np > 4)
+               usbuf.posted = extract_int(cmdbuf, 4);
+       if (np > 5) {
+               newax = extract_int(cmdbuf, 5);
+               if ((newax >= AxDeleted) && (newax <= AxAideU)) {
+                       usbuf.axlevel = newax;
+               }
+       }
+       if (np > 7) {
+               usbuf.lastcall = extract_long(cmdbuf, 7);
+       }
+       if (np > 8) {
+               usbuf.USuserpurge = extract_int(cmdbuf, 8);
+       }
+       CtdlPutUserLock(&usbuf);
+       if (usbuf.axlevel == AxDeleted) {
+               if (purge_user(requested_user) == 0) {
+                       deleted = 1;
+               }
+       }
+
+       if (deleted) {
+               snprintf(notify, SIZ, 
+                        "User \"%s\" has been deleted by %s.\n",
+                        usbuf.fullname,
+                       (CC->logged_in ? CC->user.fullname : "an administrator")
+               );
+               CtdlAideMessage(notify, "User Deletion Message");
+       }
+
+       cprintf("%d Ok", CIT_OK);
+       if (deleted)
+               cprintf(" (%s deleted)", requested_user);
+       cprintf("\n");
+}
+
+
+/*
+ * Set the preferred view for the current user/room combination
+ */
+void cmd_view(char *cmdbuf) {
+       int requested_view;
+       visit vbuf;
+
+       if (CtdlAccessCheck(ac_logged_in)) {
+               return;
+       }
+
+       requested_view = extract_int(cmdbuf, 0);
+
+       CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
+       vbuf.v_view = requested_view;
+       CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
+       
+       cprintf("%d ok\n", CIT_OK);
+}
+
+
+/*
+ * Rename a user
+ */
+void cmd_renu(char *cmdbuf)
+{
+       int retcode;
+       char oldname[USERNAME_SIZE];
+       char newname[USERNAME_SIZE];
+
+       if (CtdlAccessCheck(ac_aide)) {
+               return;
+       }
+
+       extract_token(oldname, cmdbuf, 0, '|', sizeof oldname);
+       extract_token(newname, cmdbuf, 1, '|', sizeof newname);
+
+       retcode = rename_user(oldname, newname);
+       switch(retcode) {
+               case RENAMEUSER_OK:
+                       cprintf("%d '%s' has been renamed to '%s'.\n", CIT_OK, oldname, newname);
+                       return;
+               case RENAMEUSER_LOGGED_IN:
+                       cprintf("%d '%s' is currently logged in and cannot be renamed.\n",
+                               ERROR + ALREADY_LOGGED_IN , oldname);
+                       return;
+               case RENAMEUSER_NOT_FOUND:
+                       cprintf("%d '%s' does not exist.\n", ERROR + NO_SUCH_USER, oldname);
+                       return;
+               case RENAMEUSER_ALREADY_EXISTS:
+                       cprintf("%d A user named '%s' already exists.\n", ERROR + ALREADY_EXISTS, newname);
+                       return;
+       }
+
+       cprintf("%d An unknown error occurred.\n", ERROR);
+}
+
+
+
+void cmd_quit(char *argbuf)
+{
+       cprintf("%d Goodbye.\n", CIT_OK);
+       CC->kill_me = KILLME_CLIENT_LOGGED_OUT;
+}
+
+
+void cmd_lout(char *argbuf)
+{
+       if (CC->logged_in) 
+               CtdlUserLogout();
+       cprintf("%d logged out.\n", CIT_OK);
+}
+
+
+/*****************************************************************************/
+/*                      MODULE INITIALIZATION STUFF                          */
+/*****************************************************************************/
+
+
+CTDL_MODULE_INIT(serv_user)
+{
+       if (!threading) {
+               CtdlRegisterProtoHook(cmd_user, "USER", "Submit username for login");
+               CtdlRegisterProtoHook(cmd_pass, "PASS", "Complete login by submitting a password");
+               CtdlRegisterProtoHook(cmd_quit, "QUIT", "log out and disconnect from server");
+               CtdlRegisterProtoHook(cmd_lout, "LOUT", "log out but do not disconnect from server");
+               CtdlRegisterProtoHook(cmd_creu, "CREU", "Create User");
+               CtdlRegisterProtoHook(cmd_setp, "SETP", "Set the password for an account");
+               CtdlRegisterProtoHook(cmd_getu, "GETU", "Get User parameters");
+               CtdlRegisterProtoHook(cmd_setu, "SETU", "Set User parameters");
+               CtdlRegisterProtoHook(cmd_slrp, "SLRP", "Set Last Read Pointer");
+               CtdlRegisterProtoHook(cmd_invt, "INVT", "Invite a user to a room");
+               CtdlRegisterProtoHook(cmd_kick, "KICK", "Kick a user out of a room");
+               CtdlRegisterProtoHook(cmd_forg, "FORG", "Forget a room");
+               CtdlRegisterProtoHook(cmd_gnur, "GNUR", "Get Next Unregistered User");
+               CtdlRegisterProtoHook(cmd_vali, "VALI", "Validate new users");
+               CtdlRegisterProtoHook(cmd_list, "LIST", "List users");
+               CtdlRegisterProtoHook(cmd_chek, "CHEK", "assorted info we need to check at login");
+               CtdlRegisterProtoHook(cmd_qusr, "QUSR", "check to see if a user exists");
+               CtdlRegisterProtoHook(cmd_agup, "AGUP", "Administratively Get User Parameters");
+               CtdlRegisterProtoHook(cmd_asup, "ASUP", "Administratively Set User Parameters");
+               CtdlRegisterProtoHook(cmd_seen, "SEEN", "Manipulate seen/unread message flags");
+               CtdlRegisterProtoHook(cmd_gtsn, "GTSN", "Fetch seen/unread message flags");
+               CtdlRegisterProtoHook(cmd_view, "VIEW", "Set preferred view for user/room combination");
+               CtdlRegisterProtoHook(cmd_renu, "RENU", "Rename a user");
+               CtdlRegisterProtoHook(cmd_newu, "NEWU", "Log in as a new user");
+       }
+       /* return our Subversion id for the Log */
+       return "user";
+}