+++ /dev/null
-/*
- * 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 as published
- * by the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#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"
-
-/* These pipes are used to talk to the chkpwd daemon, which is forked during startup */
-int chkpwd_write_pipe[2];
-int chkpwd_read_pipe[2];
-
-
-
-/*
- * getuser() - retrieve named user into supplied buffer.
- * returns 0 on success
- */
-int getuser(struct ctdluser *usbuf, char name[])
-{
- return CtdlGetUser(usbuf, name);
-}
-
-
-/*
- * CtdlGetUser() - retrieve named user into supplied buffer.
- * returns 0 on success
- */
-int CtdlGetUserLen(struct ctdluser *usbuf, const char *name, long len)
-{
-
- char usernamekey[USERNAME_SIZE];
- struct cdbdata *cdbus;
-
- if (usbuf != NULL) {
- memset(usbuf, 0, sizeof(struct ctdluser));
- }
-
- makeuserkey(usernamekey, name, len);
- cdbus = cdb_fetch(CDB_USERS, usernamekey, strlen(usernamekey));
-
- if (cdbus == NULL) { /* user not found */
- return(1);
- }
- if (usbuf != NULL) {
- memcpy(usbuf, cdbus->ptr,
- ((cdbus->len > sizeof(struct ctdluser)) ?
- sizeof(struct ctdluser) : cdbus->len));
- }
- cdb_free(cdbus);
-
- return (0);
-}
-
-
-int CtdlGetUser(struct ctdluser *usbuf, char *name)
-{
- return CtdlGetUserLen(usbuf, name, cutuserkey(name));
-}
-
-
-/*
- * CtdlGetUserLock() - same as getuser() but locks the record
- */
-int CtdlGetUserLock(struct ctdluser *usbuf, char *name)
-{
- int retcode;
-
- retcode = CtdlGetUser(usbuf, name);
- if (retcode == 0) {
- begin_critical_section(S_USERS);
- }
- return (retcode);
-}
-
-
-/*
- * lgetuser() - same as getuser() but locks the record
- */
-int lgetuser(struct ctdluser *usbuf, char *name)
-{
- return CtdlGetUserLock(usbuf, name);
-}
-
-
-/*
- * CtdlPutUser() - write user buffer into the correct place on disk
- */
-void CtdlPutUser(struct ctdluser *usbuf)
-{
- char usernamekey[USERNAME_SIZE];
-
- makeuserkey(usernamekey,
- usbuf->fullname,
- cutuserkey(usbuf->fullname));
-
- usbuf->version = REV_LEVEL;
- cdb_store(CDB_USERS,
- usernamekey, strlen(usernamekey),
- usbuf, sizeof(struct ctdluser));
-
-}
-
-
-/*
- * putuser() - write user buffer into the correct place on disk
- */
-void putuser(struct ctdluser *usbuf)
-{
- CtdlPutUser(usbuf);
-}
-
-
-/*
- * CtdlPutUserLock() - same as putuser() but locks the record
- */
-void CtdlPutUserLock(struct ctdluser *usbuf)
-{
- CtdlPutUser(usbuf);
- end_critical_section(S_USERS);
-}
-
-
-/*
- * lputuser() - same as putuser() but locks the record
- */
-void lputuser(struct ctdluser *usbuf)
-{
- CtdlPutUserLock(usbuf);
-}
-
-
-/*
- * rename_user() - this is tricky because the user's display name is the database key
- *
- * Returns 0 on success or nonzero if there was an error...
- *
- */
-int rename_user(char *oldname, char *newname) {
- int retcode = RENAMEUSER_OK;
- struct ctdluser usbuf;
-
- char oldnamekey[USERNAME_SIZE];
- char newnamekey[USERNAME_SIZE];
-
- /* Create the database keys... */
- makeuserkey(oldnamekey, oldname, cutuserkey(oldname));
- makeuserkey(newnamekey, newname, cutuserkey(newname));
-
- /* Lock up and get going */
- begin_critical_section(S_USERS);
-
- /* We cannot rename a user who is currently logged in */
- if (CtdlIsUserLoggedIn(oldname)) {
- end_critical_section(S_USERS);
- return RENAMEUSER_LOGGED_IN;
- }
-
- if (CtdlGetUser(&usbuf, newname) == 0) {
- retcode = RENAMEUSER_ALREADY_EXISTS;
- }
- else {
-
- if (CtdlGetUser(&usbuf, oldname) != 0) {
- retcode = RENAMEUSER_NOT_FOUND;
- }
-
- else { /* Sanity checks succeeded. Now rename the user. */
- if (usbuf.usernum == 0)
- {
- syslog(LOG_DEBUG, "Can not rename user \"Citadel\".\n");
- retcode = RENAMEUSER_NOT_FOUND;
- } else {
- syslog(LOG_DEBUG, "Renaming <%s> to <%s>\n", oldname, newname);
- cdb_delete(CDB_USERS, oldnamekey, strlen(oldnamekey));
- safestrncpy(usbuf.fullname, newname, sizeof usbuf.fullname);
- CtdlPutUser(&usbuf);
- cdb_store(CDB_USERSBYNUMBER, &usbuf.usernum, sizeof(long),
- usbuf.fullname, strlen(usbuf.fullname)+1 );
-
- retcode = RENAMEUSER_OK;
- }
- }
-
- }
-
- end_critical_section(S_USERS);
- return(retcode);
-}
-
-
-
-/*
- * Index-generating function used by Ctdl[Get|Set]Relationship
- */
-int GenerateRelationshipIndex(char *IndexBuf,
- long RoomID,
- long RoomGen,
- long UserID)
-{
-
- struct {
- long iRoomID;
- long iRoomGen;
- long iUserID;
- } TheIndex;
-
- TheIndex.iRoomID = RoomID;
- TheIndex.iRoomGen = RoomGen;
- TheIndex.iUserID = UserID;
-
- memcpy(IndexBuf, &TheIndex, sizeof(TheIndex));
- return (sizeof(TheIndex));
-}
-
-
-
-/*
- * Back end for CtdlSetRelationship()
- */
-void put_visit(visit *newvisit)
-{
- char IndexBuf[32];
- int IndexLen = 0;
-
- memset (IndexBuf, 0, sizeof (IndexBuf));
- /* Generate an index */
- IndexLen = GenerateRelationshipIndex(IndexBuf,
- newvisit->v_roomnum,
- newvisit->v_roomgen,
- newvisit->v_usernum);
-
- /* Store the record */
- cdb_store(CDB_VISIT, IndexBuf, IndexLen,
- newvisit, sizeof(visit)
- );
-}
-
-
-
-
-/*
- * Define a relationship between a user and a room
- */
-void CtdlSetRelationship(visit *newvisit,
- struct ctdluser *rel_user,
- struct ctdlroom *rel_room)
-{
-
-
- /* We don't use these in Citadel because they're implicit by the
- * index, but they must be present if the database is exported.
- */
- newvisit->v_roomnum = rel_room->QRnumber;
- newvisit->v_roomgen = rel_room->QRgen;
- newvisit->v_usernum = rel_user->usernum;
-
- put_visit(newvisit);
-}
-
-/*
- * Locate a relationship between a user and a room
- */
-void CtdlGetRelationship(visit *vbuf,
- struct ctdluser *rel_user,
- struct ctdlroom *rel_room)
-{
-
- char IndexBuf[32];
- int IndexLen;
- struct cdbdata *cdbvisit;
-
- /* Generate an index */
- IndexLen = GenerateRelationshipIndex(IndexBuf,
- rel_room->QRnumber,
- rel_room->QRgen,
- rel_user->usernum);
-
- /* Clear out the buffer */
- memset(vbuf, 0, sizeof(visit));
-
- cdbvisit = cdb_fetch(CDB_VISIT, IndexBuf, IndexLen);
- if (cdbvisit != NULL) {
- memcpy(vbuf, cdbvisit->ptr,
- ((cdbvisit->len > sizeof(visit)) ?
- sizeof(visit) : cdbvisit->len));
- cdb_free(cdbvisit);
- }
- else {
- /* If this is the first time the user has seen this room,
- * set the view to be the default for the room.
- */
- vbuf->v_view = rel_room->QRdefaultview;
- }
-
- /* Set v_seen if necessary */
- if (vbuf->v_seen[0] == 0) {
- snprintf(vbuf->v_seen, sizeof vbuf->v_seen, "*:%ld", vbuf->v_lastseen);
- }
-}
-
-
-void CtdlMailboxName(char *buf, size_t n, const struct ctdluser *who, const char *prefix)
-{
- snprintf(buf, n, "%010ld.%s", who->usernum, prefix);
-}
-
-
-void MailboxName(char *buf, size_t n, const struct ctdluser *who, const char *prefix)
-{
- snprintf(buf, n, "%010ld.%s", who->usernum, prefix);
-}
-
-
-/*
- * Is the user currently logged in an Aide?
- */
-int is_aide(void)
-{
- if (CC->user.axlevel >= AxAideU)
- return (1);
- else
- return (0);
-}
-
-
-/*
- * Is the user currently logged in an Aide *or* the room aide for this room?
- */
-int is_room_aide(void)
-{
-
- if (!CC->logged_in) {
- return (0);
- }
-
- if ((CC->user.axlevel >= AxAideU)
- || (CC->room.QRroomaide == CC->user.usernum)) {
- return (1);
- } else {
- return (0);
- }
-}
-
-/*
- * CtdlGetUserByNumber() - get user by number
- * returns 0 if user was found
- *
- * Note: fetching a user this way requires one additional database operation.
- */
-int CtdlGetUserByNumber(struct ctdluser *usbuf, long number)
-{
- struct cdbdata *cdbun;
- int r;
-
- cdbun = cdb_fetch(CDB_USERSBYNUMBER, &number, sizeof(long));
- if (cdbun == NULL) {
- syslog(LOG_INFO, "User %ld not found\n", number);
- return(-1);
- }
-
- syslog(LOG_INFO, "User %ld maps to %s\n", number, cdbun->ptr);
- r = CtdlGetUser(usbuf, cdbun->ptr);
- cdb_free(cdbun);
- return(r);
-}
-
-/*
- * getuserbynumber() - get user by number
- * returns 0 if user was found
- *
- * Note: fetching a user this way requires one additional database operation.
- */
-int getuserbynumber(struct ctdluser *usbuf, long number)
-{
- return CtdlGetUserByNumber(usbuf, number);
-}
-
-
-
-/*
- * Helper function for rebuild_usersbynumber()
- */
-void rebuild_ubn_for_user(struct ctdluser *usbuf, void *data) {
-
- struct ubnlist {
- struct ubnlist *next;
- char username[USERNAME_SIZE];
- long usernum;
- };
-
- static struct ubnlist *u = NULL;
- struct ubnlist *ptr = NULL;
-
- /* Lazy programming here. Call this function as a ForEachUser backend
- * in order to queue up the room names, or call it with a null user
- * to make it do the processing.
- */
- if (usbuf != NULL) {
- ptr = (struct ubnlist *) malloc(sizeof (struct ubnlist));
- if (ptr == NULL) return;
-
- ptr->usernum = usbuf->usernum;
- safestrncpy(ptr->username, usbuf->fullname, sizeof ptr->username);
- ptr->next = u;
- u = ptr;
- return;
- }
-
- while (u != NULL) {
- syslog(LOG_DEBUG, "Rebuilding usersbynumber index %10ld : %s\n",
- u->usernum, u->username);
- cdb_store(CDB_USERSBYNUMBER, &u->usernum, sizeof(long), u->username, strlen(u->username)+1);
-
- ptr = u;
- u = u->next;
- free(ptr);
- }
-}
-
-
-
-/*
- * Rebuild the users-by-number index
- */
-void rebuild_usersbynumber(void) {
- cdb_trunc(CDB_USERSBYNUMBER); /* delete the old indices */
- ForEachUser(rebuild_ubn_for_user, NULL); /* enumerate the users */
- rebuild_ubn_for_user(NULL, NULL); /* and index them */
-}
-
-
-
-/*
- * getuserbyuid() - get user by system uid (for PAM mode authentication)
- * returns 0 if user was found
- *
- * WARNING: don't use this function unless you absolutely have to. It does
- * a sequential search and therefore is computationally expensive.
- */
-int getuserbyuid(struct ctdluser *usbuf, uid_t number)
-{
- struct cdbdata *cdbus;
-
- 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->uid == number) {
- cdb_close_cursor(CDB_USERS);
- return (0);
- }
- }
- return (-1);
-}
-
-/*
- * Back end for cmd_user() and its ilk
- *
- * NOTE: "authname" should only be used if we are attempting to use the "master user" feature
- */
-int CtdlLoginExistingUser(char *authname, const char *trythisname)
-{
- char username[SIZ];
- int found_user;
- long len;
-
- syslog(LOG_DEBUG, "CtdlLoginExistingUser(%s, %s)\n", authname, trythisname);
-
- if ((CC->logged_in)) {
- return login_already_logged_in;
- }
-
- if (trythisname == NULL) return login_not_found;
-
- if (!strncasecmp(trythisname, "SYS_", 4))
- {
- syslog(LOG_DEBUG, "System user \"%s\" is not allowed to log in.\n", trythisname);
- return login_not_found;
- }
-
- /* If a "master user" is defined, handle its authentication if specified */
- CC->is_master = 0;
- if (strlen(config.c_master_user) > 0) if (strlen(config.c_master_pass) > 0) if (authname) {
- if (!strcasecmp(authname, config.c_master_user)) {
- CC->is_master = 1;
- }
- }
-
- /* Continue attempting user validation... */
- safestrncpy(username, trythisname, sizeof (username));
- striplt(username);
- len = cutuserkey(username);
-
- if (IsEmptyStr(username)) {
- return login_not_found;
- }
-
- if (config.c_auth_mode == AUTHMODE_HOST) {
-
- /* host auth mode */
-
- struct passwd pd;
- struct passwd *tempPwdPtr;
- char pwdbuffer[256];
-
- syslog(LOG_DEBUG, "asking host about <%s>\n", username);
-#ifdef HAVE_GETPWNAM_R
-#ifdef SOLARIS_GETPWUID
- syslog(LOG_DEBUG, "Calling getpwnam_r()\n");
- tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer);
-#else // SOLARIS_GETPWUID
- syslog(LOG_DEBUG, "Calling getpwnam_r()\n");
- getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
-#endif // SOLARIS_GETPWUID
-#else // HAVE_GETPWNAM_R
- syslog(LOG_DEBUG, "SHOULD NEVER GET HERE!!!\n");
- tempPwdPtr = NULL;
-#endif // HAVE_GETPWNAM_R
- if (tempPwdPtr == NULL) {
- syslog(LOG_DEBUG, "no such user <%s>\n", username);
- return login_not_found;
- }
-
- /* Locate the associated Citadel account.
- * If not found, make one attempt to create it.
- */
- found_user = getuserbyuid(&CC->user, pd.pw_uid);
- syslog(LOG_DEBUG, "found it: uid=%ld, gecos=%s here: %d\n",
- (long)pd.pw_uid, pd.pw_gecos, found_user);
- if (found_user != 0) {
- len = cutuserkey(username);
- create_user(username, len, 0);
- found_user = getuserbyuid(&CC->user, pd.pw_uid);
- }
-
- }
-
-#ifdef HAVE_LDAP
- else if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
-
- /* LDAP auth mode */
-
- uid_t ldap_uid;
- char ldap_cn[256];
- char ldap_dn[256];
-
- found_user = CtdlTryUserLDAP(username, ldap_dn, sizeof ldap_dn, ldap_cn, sizeof ldap_cn, &ldap_uid);
- if (found_user != 0) {
- return login_not_found;
- }
-
- found_user = getuserbyuid(&CC->user, ldap_uid);
- if (found_user != 0) {
- create_user(username, len, 0);
- found_user = getuserbyuid(&CC->user, ldap_uid);
- }
-
- if (found_user == 0) {
- if (CC->ldap_dn != NULL) free(CC->ldap_dn);
- CC->ldap_dn = strdup(ldap_dn);
- }
-
- }
-#endif
-
- else {
- /* native auth mode */
-
- struct recptypes *valid = NULL;
-
- /* First, try to log in as if the supplied name is a display name */
- found_user = CtdlGetUser(&CC->user, username);
-
- /* If that didn't work, try to log in as if the supplied name
- * is an e-mail address
- */
- if (found_user != 0) {
- valid = validate_recipients(username, NULL, 0);
- if (valid != NULL) {
- if (valid->num_local == 1) {
- found_user = CtdlGetUser(&CC->user, valid->recp_local);
- }
- free_recipients(valid);
- }
- }
- }
-
- /* Did we find something? */
- if (found_user == 0) {
- if (((CC->nologin)) && (CC->user.axlevel < AxAideU)) {
- return login_too_many_users;
- } else {
- safestrncpy(CC->curr_user, CC->user.fullname,
- sizeof CC->curr_user);
- return login_ok;
- }
- }
- return login_not_found;
-}
-
-
-
-/*
- * USER cmd
- */
-void cmd_user(char *cmdbuf)
-{
- char username[256];
- int a;
-
- syslog(LOG_DEBUG, "cmd_user(%s)\n", cmdbuf);
- extract_token(username, cmdbuf, 0, '|', sizeof username);
- syslog(LOG_DEBUG, "username: %s\n", username);
- striplt(username);
- 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);
- }
-}
-
-
-
-/*
- * session startup code which is common to both cmd_pass() and cmd_newu()
- */
-void do_login(void)
-{
- struct CitContext *CCC = CC;
-
- CCC->logged_in = 1;
- syslog(LOG_NOTICE, "<%s> logged in\n", CCC->curr_user);
-
- CtdlGetUserLock(&CCC->user, CCC->curr_user);
- ++(CCC->user.timescalled);
- CCC->previous_login = CCC->user.lastcall;
- time(&CCC->user.lastcall);
-
- /* If this user's name is the name of the system administrator
- * (as specified in setup), automatically assign access level 6.
- */
- if (!strcasecmp(CCC->user.fullname, config.c_sysadm)) {
- CCC->user.axlevel = AxAideU;
- }
-
- /* If we're authenticating off the host system, automatically give
- * root the highest level of access.
- */
- if (config.c_auth_mode == AUTHMODE_HOST) {
- if (CCC->user.uid == 0) {
- CCC->user.axlevel = AxAideU;
- }
- }
-
- CtdlPutUserLock(&CCC->user);
-
- /*
- * Populate CCC->cs_inet_email with a default address. This will be
- * overwritten with the user's directory address, if one exists, when
- * the vCard module's login hook runs.
- */
- snprintf(CCC->cs_inet_email, sizeof CCC->cs_inet_email, "%s@%s",
- CCC->user.fullname, config.c_fqdn);
- convert_spaces_to_underscores(CCC->cs_inet_email);
-
- /* Create any personal rooms required by the system.
- * (Technically, MAILROOM should be there already, but just in case...)
- */
- CtdlCreateRoom(MAILROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
- CtdlCreateRoom(SENTITEMS, 4, "", 0, 1, 0, VIEW_MAILBOX);
- CtdlCreateRoom(USERTRASHROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
- CtdlCreateRoom(USERDRAFTROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
-
- /* Run any startup routines registered by loadable modules */
- PerformSessionHooks(EVT_LOGIN);
-
- /* Enter the lobby */
- CtdlUserGoto(config.c_baseroom, 0, 0, NULL, NULL);
-}
-
-
-void logged_in_response(void)
-{
- cprintf("%d %s|%d|%ld|%ld|%u|%ld|%ld\n",
- CIT_OK, CC->user.fullname, CC->user.axlevel,
- CC->user.timescalled, CC->user.posted,
- CC->user.flags, CC->user.usernum,
- CC->previous_login);
-}
-
-
-
-void CtdlUserLogout(void)
-{
- CitContext *CCC = MyContext();
-
- syslog(LOG_DEBUG, "CtdlUserLogout() logging out <%s> from session %d",
- CCC->curr_user, CCC->cs_pid
- );
-
- /*
- * If there is a download in progress, abort it.
- */
- if (CCC->download_fp != NULL) {
- fclose(CCC->download_fp);
- CCC->download_fp = NULL;
- }
-
- /*
- * If there is an upload in progress, abort it.
- */
- if (CCC->upload_fp != NULL) {
- abort_upl(CCC);
- }
-
- /*
- * If we were talking to a network node, we're not anymore...
- */
- if (!IsEmptyStr(CCC->net_node)) {
- network_talking_to(CCC->net_node, NTT_REMOVE);
- }
-
- /* Run any hooks registered by modules... */
- PerformSessionHooks(EVT_LOGOUT);
-
- /*
- * Clear out some session data. Most likely, the CitContext for this
- * session is about to get nuked when the session disconnects, but
- * since it's possible to log in again without reconnecting, we cannot
- * make that assumption.
- */
- strcpy(CCC->fake_username, "");
- strcpy(CCC->fake_hostname, "");
- strcpy(CCC->fake_roomname, "");
- CCC->logged_in = 0;
-
- /* Check to see if the user was deleted whilst logged in and purge them if necessary */
- if ((CCC->user.axlevel == AxDeleted) && (CCC->user.usernum))
- purge_user(CCC->user.fullname);
-
- /* Clear out the user record in memory so we don't behave like a ghost */
- memset(&CCC->user, 0, sizeof(struct ctdluser));
- CCC->curr_user[0] = 0;
- CCC->is_master = 0;
- CCC->cs_inet_email[0] = 0;
- CCC->cs_inet_other_emails[0] = 0;
- CCC->cs_inet_fn[0] = 0;
- CCC->fake_username[0] = 0;
- CCC->fake_hostname[0] = 0;
- CCC->fake_roomname[0] = 0;
-
-
- /* Free any output buffers */
- unbuffer_output();
-}
-
-
-/*
- * Validate a password on the host unix system by talking to the chkpwd daemon
- */
-static int validpw(uid_t uid, const char *pass)
-{
- char buf[256];
- int rv = 0;
-
- if (IsEmptyStr(pass)) {
- syslog(LOG_DEBUG, "Refusing to chkpwd for uid=%d with empty password.\n", uid);
- return 0;
- }
-
- syslog(LOG_DEBUG, "Validating password for uid=%d using chkpwd...\n", uid);
-
- begin_critical_section(S_CHKPWD);
- rv = write(chkpwd_write_pipe[1], &uid, sizeof(uid_t));
- if (rv == -1) {
- syslog(LOG_EMERG, "Communicatino with chkpwd broken: %s\n", strerror(errno));
- end_critical_section(S_CHKPWD);
- return 0;
- }
- rv = write(chkpwd_write_pipe[1], pass, 256);
- if (rv == -1) {
- syslog(LOG_EMERG, "Communicatino with chkpwd broken: %s\n", strerror(errno));
- end_critical_section(S_CHKPWD);
- return 0;
- }
- rv = read(chkpwd_read_pipe[0], buf, 4);
- if (rv == -1) {
- syslog(LOG_EMERG, "Communicatino with chkpwd broken: %s\n", strerror(errno));
- end_critical_section(S_CHKPWD);
- return 0;
- }
- end_critical_section(S_CHKPWD);
-
- if (!strncmp(buf, "PASS", 4)) {
- syslog(LOG_DEBUG, "...pass\n");
- return(1);
- }
-
- syslog(LOG_DEBUG, "...fail\n");
- return 0;
-}
-
-/*
- * Start up the chkpwd daemon so validpw() has something to talk to
- */
-void start_chkpwd_daemon(void) {
- pid_t chkpwd_pid;
- struct stat filestats;
- int i;
-
- syslog(LOG_DEBUG, "Starting chkpwd daemon for host authentication mode\n");
-
- if ((stat(file_chkpwd, &filestats)==-1) ||
- (filestats.st_size==0)){
- printf("didn't find chkpwd daemon in %s: %s\n", file_chkpwd, strerror(errno));
- abort();
- }
- if (pipe(chkpwd_write_pipe) != 0) {
- syslog(LOG_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
- abort();
- }
- if (pipe(chkpwd_read_pipe) != 0) {
- syslog(LOG_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
- abort();
- }
-
- chkpwd_pid = fork();
- if (chkpwd_pid < 0) {
- syslog(LOG_EMERG, "Unable to fork chkpwd daemon: %s\n", strerror(errno));
- abort();
- }
- if (chkpwd_pid == 0) {
- syslog(LOG_DEBUG, "Now calling dup2() write\n");
- dup2(chkpwd_write_pipe[0], 0);
- syslog(LOG_DEBUG, "Now calling dup2() write\n");
- dup2(chkpwd_read_pipe[1], 1);
- syslog(LOG_DEBUG, "Now closing stuff\n");
- for (i=2; i<256; ++i) close(i);
- syslog(LOG_DEBUG, "Now calling execl(%s)\n", file_chkpwd);
- execl(file_chkpwd, file_chkpwd, NULL);
- syslog(LOG_EMERG, "Unable to exec chkpwd daemon: %s\n", strerror(errno));
- abort();
- exit(errno);
- }
-}
-
-
-int CtdlTryPassword(const char *password, long len)
-{
- int code;
-
- if ((CC->logged_in)) {
- syslog(LOG_WARNING, "CtdlTryPassword: already logged in\n");
- return pass_already_logged_in;
- }
- if (!strcmp(CC->curr_user, NLI)) {
- syslog(LOG_WARNING, "CtdlTryPassword: no user selected\n");
- return pass_no_user;
- }
- if (CtdlGetUser(&CC->user, CC->curr_user)) {
- syslog(LOG_ERR, "CtdlTryPassword: internal error\n");
- return pass_internal_error;
- }
- if (password == NULL) {
- syslog(LOG_INFO, "CtdlTryPassword: NULL password string supplied\n");
- return pass_wrong_password;
- }
- code = (-1);
-
- if (CC->is_master) {
- code = strcmp(password, config.c_master_pass);
- }
-
- else if (config.c_auth_mode == AUTHMODE_HOST) {
-
- /* host auth mode */
-
- if (validpw(CC->user.uid, password)) {
- code = 0;
-
- /*
- * sooper-seekrit hack: populate the password field in the
- * citadel database with the password that the user typed,
- * if it's correct. This allows most sites to convert from
- * host auth to native auth if they want to. If you think
- * this is a security hazard, comment it out.
- */
-
- CtdlGetUserLock(&CC->user, CC->curr_user);
- safestrncpy(CC->user.password, password, sizeof CC->user.password);
- CtdlPutUserLock(&CC->user);
-
- /*
- * (sooper-seekrit hack ends here)
- */
-
- }
- else {
- code = (-1);
- }
- }
-
-#ifdef HAVE_LDAP
- else if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
-
- /* LDAP auth mode */
-
- if ((CC->ldap_dn) && (!CtdlTryPasswordLDAP(CC->ldap_dn, password))) {
- code = 0;
- }
- else {
- code = (-1);
- }
- }
-#endif
-
- else {
-
- /* native auth mode */
- char *pw;
-
- pw = (char*) malloc(len + 1);
- memcpy(pw, password, len + 1);
- strproc(pw);
- strproc(CC->user.password);
- code = strcasecmp(CC->user.password, pw);
- strproc(pw);
- strproc(CC->user.password);
- code = strcasecmp(CC->user.password, pw);
- free (pw);
- }
-
- if (!code) {
- do_login();
- return pass_ok;
- } else {
- syslog(LOG_WARNING, "Bad password specified for <%s>\n", CC->curr_user);
- return pass_wrong_password;
- }
-}
-
-
-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;
- }
-}
-
-
-
-/*
- * Delete a user record *and* all of its related resources.
- */
-int purge_user(char pname[])
-{
- char filename[64];
- struct ctdluser usbuf;
- char usernamekey[USERNAME_SIZE];
-
- makeuserkey(usernamekey, pname, cutuserkey(pname));
-
- /* If the name is empty we can't find them in the DB any way so just return */
- if (IsEmptyStr(pname))
- return (ERROR + NO_SUCH_USER);
-
- if (CtdlGetUser(&usbuf, pname) != 0) {
- syslog(LOG_ERR, "Cannot purge user <%s> - not found\n", pname);
- return (ERROR + NO_SUCH_USER);
- }
- /* Don't delete a user who is currently logged in. Instead, just
- * set the access level to 0, and let the account get swept up
- * during the next purge.
- */
- if (CtdlIsUserLoggedInByNum(usbuf.usernum)) {
- syslog(LOG_WARNING, "User <%s> is logged in; not deleting.\n", pname);
- usbuf.axlevel = AxDeleted;
- CtdlPutUser(&usbuf);
- return (1);
- }
- syslog(LOG_NOTICE, "Deleting user <%s>\n", pname);
-
-/*
- * FIXME:
- * This should all be wrapped in a S_USERS mutex.
- * Without the mutex the user could log in before we get to the next function
- * That would truly mess things up :-(
- * I would like to see the S_USERS start before the CtdlIsUserLoggedInByNum() above
- * and end after the user has been deleted from the database, below.
- * Question is should we enter the EVT_PURGEUSER whilst S_USERS is active?
- */
-
- /* Perform any purge functions registered by server extensions */
- PerformUserHooks(&usbuf, EVT_PURGEUSER);
-
- /* delete any existing user/room relationships */
- cdb_delete(CDB_VISIT, &usbuf.usernum, sizeof(long));
-
- /* delete the users-by-number index record */
- cdb_delete(CDB_USERSBYNUMBER, &usbuf.usernum, sizeof(long));
-
- /* delete the userlog entry */
- cdb_delete(CDB_USERS, usernamekey, strlen(usernamekey));
-
- /* remove the user's bio file */
- snprintf(filename,
- sizeof filename,
- "%s/%ld",
- ctdl_bio_dir,
- usbuf.usernum);
- unlink(filename);
-
- /* remove the user's picture */
- snprintf(filename,
- sizeof filename,
- "%s/%ld.gif",
- ctdl_image_dir,
- usbuf.usernum);
- unlink(filename);
-
- return (0);
-}
-
-
-int internal_create_user (const char *username, long len, struct ctdluser *usbuf, uid_t uid)
-{
- if (!CtdlGetUserLen(usbuf, username, len)) {
- return (ERROR + ALREADY_EXISTS);
- }
-
- /* Go ahead and initialize a new user record */
- memset(usbuf, 0, sizeof(struct ctdluser));
- safestrncpy(usbuf->fullname, username, sizeof usbuf->fullname);
- strcpy(usbuf->password, "");
- usbuf->uid = uid;
-
- /* These are the default flags on new accounts */
- usbuf->flags = US_LASTOLD | US_DISAPPEAR | US_PAGINATOR | US_FLOORS;
-
- usbuf->timescalled = 0;
- usbuf->posted = 0;
- usbuf->axlevel = config.c_initax;
- usbuf->lastcall = time(NULL);
-
- /* fetch a new user number */
- usbuf->usernum = get_new_user_number();
-
- /* add user to the database */
- CtdlPutUser(usbuf);
- cdb_store(CDB_USERSBYNUMBER, &usbuf->usernum, sizeof(long), usbuf->fullname, strlen(usbuf->fullname)+1);
-
- return 0;
-}
-
-
-
-/*
- * create_user() - back end processing to create a new user
- *
- * Set 'newusername' to the desired account name.
- * Set 'become_user' to nonzero if this is self-service account creation and we want
- * to actually log in as the user we just created, otherwise set it to 0.
- */
-int create_user(const char *newusername, long len, int become_user)
-{
- struct ctdluser usbuf;
- struct ctdlroom qrbuf;
- char username[256];
- char mailboxname[ROOMNAMELEN];
- char buf[SIZ];
- int retval;
- uid_t uid = (-1);
-
-
- safestrncpy(username, newusername, sizeof username);
- strproc(username);
-
-
- if (config.c_auth_mode == AUTHMODE_HOST) {
-
- /* host auth mode */
-
- struct passwd pd;
- struct passwd *tempPwdPtr;
- char pwdbuffer[SIZ];
-
-#ifdef HAVE_GETPWNAM_R
-#ifdef SOLARIS_GETPWUID
- tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof(pwdbuffer));
-#else // SOLARIS_GETPWUID
- getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
-#endif // SOLARIS_GETPWUID
-#else // HAVE_GETPWNAM_R
- tempPwdPtr = NULL;
-#endif // HAVE_GETPWNAM_R
- if (tempPwdPtr != NULL) {
- extract_token(username, pd.pw_gecos, 0, ',', sizeof username);
- uid = pd.pw_uid;
- if (IsEmptyStr (username))
- {
- safestrncpy(username, pd.pw_name, sizeof username);
- len = cutuserkey(username);
- }
- }
- else {
- return (ERROR + NO_SUCH_USER);
- }
- }
-
-#ifdef HAVE_LDAP
- if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
- if (CtdlTryUserLDAP(username, NULL, 0, username, sizeof username, &uid) != 0) {
- return(ERROR + NO_SUCH_USER);
- }
- }
-#endif /* HAVE_LDAP */
-
- if ((retval = internal_create_user(username, len, &usbuf, uid)) != 0)
- return retval;
-
- /*
- * Give the user a private mailbox and a configuration room.
- * Make the latter an invisible system room.
- */
- CtdlMailboxName(mailboxname, sizeof mailboxname, &usbuf, MAILROOM);
- CtdlCreateRoom(mailboxname, 5, "", 0, 1, 1, VIEW_MAILBOX);
-
- CtdlMailboxName(mailboxname, sizeof mailboxname, &usbuf, USERCONFIGROOM);
- CtdlCreateRoom(mailboxname, 5, "", 0, 1, 1, VIEW_BBS);
- if (CtdlGetRoomLock(&qrbuf, mailboxname) == 0) {
- qrbuf.QRflags2 |= QR2_SYSTEM;
- CtdlPutRoomLock(&qrbuf);
- }
-
- /* Perform any create functions registered by server extensions */
- PerformUserHooks(&usbuf, EVT_NEWUSER);
-
- /* Everything below this line can be bypassed if administratively
- * creating a user, instead of doing self-service account creation
- */
-
- if (become_user) {
- /* Now become the user we just created */
- memcpy(&CC->user, &usbuf, sizeof(struct ctdluser));
- safestrncpy(CC->curr_user, username, sizeof CC->curr_user);
- do_login();
-
- /* Check to make sure we're still who we think we are */
- if (CtdlGetUser(&CC->user, CC->curr_user)) {
- return (ERROR + INTERNAL_ERROR);
- }
- }
-
- snprintf(buf, SIZ,
- "New user account <%s> has been created, from host %s [%s].\n",
- username,
- CC->cs_host,
- CC->cs_addr
- );
- CtdlAideMessage(buf, "User Creation Notice");
- syslog(LOG_NOTICE, "New user <%s> created\n", username);
- return (0);
-}
-
-
-
-/*
- * 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 - back end api code
- */
-void CtdlSetPassword(char *new_pw)
-{
- CtdlGetUserLock(&CC->user, CC->curr_user);
- safestrncpy(CC->user.password, new_pw, sizeof(CC->user.password));
- CtdlPutUserLock(&CC->user);
- syslog(LOG_INFO, "Password changed for user <%s>\n", CC->curr_user);
- PerformSessionHooks(EVT_SETPASS);
-}
-
-
-/*
- * 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"));
-}
-
-
-/*
- * API function for cmd_invt_kick() and anything else that needs to
- * invite or kick out a user to/from a room.
- *
- * Set iuser to the name of the user, and op to 1=invite or 0=kick
- */
-int CtdlInvtKick(char *iuser, int op) {
- struct ctdluser USscratch;
- visit vbuf;
- char bbb[SIZ];
-
- if (CtdlGetUser(&USscratch, iuser) != 0) {
- return(1);
- }
-
- CtdlGetRelationship(&vbuf, &USscratch, &CC->room);
- if (op == 1) {
- vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
- vbuf.v_flags = vbuf.v_flags | V_ACCESS;
- }
- if (op == 0) {
- vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
- vbuf.v_flags = vbuf.v_flags | V_FORGET | V_LOCKOUT;
- }
- CtdlSetRelationship(&vbuf, &USscratch, &CC->room);
-
- /* post a message in Aide> saying what we just did */
- snprintf(bbb, sizeof bbb, "%s has been %s \"%s\" by %s.\n",
- iuser,
- ((op == 1) ? "invited to" : "kicked out of"),
- CC->room.QRname,
- CC->user.fullname);
- CtdlAideMessage(bbb,"User Admin Message");
-
- return(0);
-}
-
-
-/*
- * INVT and KICK commands
- */
-void cmd_invt_kick(char *iuser, int op) {
-
- /*
- * These commands are only allowed by aides, room aides,
- * 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 (API call)
- * Returns 0 on success
- */
-int CtdlForgetThisRoom(void) {
- visit vbuf;
-
- /* On some systems, Aides are not allowed to forget rooms */
- if (is_aide() && (config.c_aide_zap == 0)
- && ((CC->room.QRflags & QR_MAILBOX) == 0) ) {
- return(1);
- }
-
- CtdlGetUserLock(&CC->user, CC->curr_user);
- CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
-
- vbuf.v_flags = vbuf.v_flags | V_FORGET;
- vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
-
- CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
- CtdlPutUserLock(&CC->user);
-
- /* Return to the Lobby, so we don't end up in an undefined room */
- CtdlUserGoto(config.c_baseroom, 0, 0, NULL, NULL);
- return(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);
-}
-
-
-
-/*
- * Traverse the user file...
- */
-void ForEachUser(void (*CallBack) (struct ctdluser * EachUser, void *out_data),
- void *in_data)
-{
- struct ctdluser usbuf;
- struct cdbdata *cdbus;
-
- 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);
- (*CallBack) (&usbuf, in_data);
- }
-}
-
-
-/*
- * List one user (this works with cmd_list)
- */
-void ListThisUser(struct ctdluser *usbuf, void *data)
-{
- char *searchstring;
-
- searchstring = (char *)data;
- if (bmstrcasestr(usbuf->fullname, searchstring) == NULL) {
- return;
- }
-
- if (usbuf->axlevel > AxDeleted) {
- if ((CC->user.axlevel >= AxAideU)
- || ((usbuf->flags & US_UNLISTED) == 0)
- || ((CC->internal_pgm))) {
- cprintf("%s|%d|%ld|%ld|%ld|%ld||\n",
- usbuf->fullname,
- usbuf->axlevel,
- usbuf->usernum,
- (long)usbuf->lastcall,
- usbuf->timescalled,
- usbuf->posted);
- }
- }
-}
-
-/*
- * 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->user.fullname);
- CtdlAideMessage(notify, "User Deletion Message");
- }
-
- cprintf("%d Ok", CIT_OK);
- if (deleted)
- cprintf(" (%s deleted)", requested_user);
- cprintf("\n");
-}
-
-
-
-/*
- * Count the number of new mail messages the user has
- */
-int NewMailCount()
-{
- int num_newmsgs = 0;
-
- num_newmsgs = CC->newmail;
- CC->newmail = 0;
-
- return (num_newmsgs);
-}
-
-
-/*
- * Count the number of new mail messages the user has
- */
-int InitialMailCheck()
-{
- int num_newmsgs = 0;
- int a;
- char mailboxname[ROOMNAMELEN];
- struct ctdlroom mailbox;
- visit vbuf;
- struct cdbdata *cdbfr;
- long *msglist = NULL;
- int num_msgs = 0;
-
- CtdlMailboxName(mailboxname, sizeof mailboxname, &CC->user, MAILROOM);
- if (CtdlGetRoom(&mailbox, mailboxname) != 0)
- return (0);
- CtdlGetRelationship(&vbuf, &CC->user, &mailbox);
-
- cdbfr = cdb_fetch(CDB_MSGLISTS, &mailbox.QRnumber, sizeof(long));
-
- if (cdbfr != NULL) {
- msglist = malloc(cdbfr->len);
- memcpy(msglist, cdbfr->ptr, cdbfr->len);
- num_msgs = cdbfr->len / sizeof(long);
- cdb_free(cdbfr);
- }
- if (num_msgs > 0)
- for (a = 0; a < num_msgs; ++a) {
- if (msglist[a] > 0L) {
- if (msglist[a] > vbuf.v_lastseen) {
- ++num_newmsgs;
- }
- }
- }
- if (msglist != NULL)
- free(msglist);
-
- return (num_newmsgs);
-}
-
-
-
-/*
- * 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);
-}
-
-
-
-/*****************************************************************************/
-/* MODULE INITIALIZATION STUFF */
-/*****************************************************************************/
-
-
-CTDL_MODULE_INIT(user_ops)
-{
- if (!threading) {
- CtdlRegisterProtoHook(cmd_user, "USER", "Submit username for login");
- CtdlRegisterProtoHook(cmd_pass, "PASS", "Complete login by submitting a password");
- 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", "Autoconverted. TODO: document me.");
- CtdlRegisterProtoHook(cmd_vali, "VALI", "Validate new users");
- CtdlRegisterProtoHook(cmd_list, "LIST", "List users");
- CtdlRegisterProtoHook(cmd_chek, "CHEK", "Autoconverted. TODO: document me.");
- CtdlRegisterProtoHook(cmd_qusr, "QUSR", "Autoconverted. TODO: document me.");
- CtdlRegisterProtoHook(cmd_agup, "AGUP", "Autoconverted. TODO: document me.");
- CtdlRegisterProtoHook(cmd_asup, "ASUP", "Autoconverted. TODO: document me.");
- CtdlRegisterProtoHook(cmd_seen, "SEEN", "Autoconverted. TODO: document me.");
- CtdlRegisterProtoHook(cmd_gtsn, "GTSN", "Autoconverted. TODO: document me.");
- CtdlRegisterProtoHook(cmd_view, "VIEW", "Autoconverted. TODO: document me.");
- CtdlRegisterProtoHook(cmd_renu, "RENU", "Autoconverted. TODO: document me.");
- CtdlRegisterProtoHook(cmd_newu, "NEWU", "Autoconverted. TODO: document me.");
- }
- /* return our Subversion id for the Log */
- return "user_ops";
-}
projects / citadel.git / blobdiff