+++ /dev/null
-/*
- * These functions implement the portions of AUTHMODE_LDAP and AUTHMODE_LDAP_AD which
- * actually speak to the LDAP server.
- *
- * Copyright (c) 2011 by Art Cancro and the citadel.org development 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.
- */
-
-int ctdl_require_ldap_version = 3;
-
-#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>
-#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 "ctdl_module.h"
-#include "user_ops.h"
-
-#ifdef HAVE_LDAP
-#define LDAP_DEPRECATED 1 /* Suppress libldap's warning that we are using deprecated API calls */
-#include <ldap.h>
-
-int CtdlTryUserLDAP(char *username,
- char *found_dn, int found_dn_size,
- char *fullname, int fullname_size,
- uid_t *uid)
-{
- LDAP *ldserver = NULL;
- int i;
- LDAPMessage *search_result = NULL;
- LDAPMessage *entry = NULL;
- char searchstring[1024];
- struct timeval tv;
- char **values;
- char *user_dn = NULL;
-
- if (fullname) safestrncpy(fullname, username, fullname_size);
-
- ldserver = ldap_init(config.c_ldap_host, config.c_ldap_port);
- if (ldserver == NULL) {
- syslog(LOG_ALERT, "LDAP: Could not connect to %s:%d : %s\n",
- config.c_ldap_host, config.c_ldap_port,
- strerror(errno)
- );
- return(errno);
- }
-
- ldap_set_option(ldserver, LDAP_OPT_PROTOCOL_VERSION, &ctdl_require_ldap_version);
- ldap_set_option(ldserver, LDAP_OPT_REFERRALS, (void *)LDAP_OPT_OFF);
-
- striplt(config.c_ldap_bind_dn);
- striplt(config.c_ldap_bind_pw);
- syslog(LOG_DEBUG, "LDAP bind DN: %s\n", config.c_ldap_bind_dn);
- i = ldap_simple_bind_s(ldserver,
- (!IsEmptyStr(config.c_ldap_bind_dn) ? config.c_ldap_bind_dn : NULL),
- (!IsEmptyStr(config.c_ldap_bind_pw) ? config.c_ldap_bind_pw : NULL)
- );
- if (i != LDAP_SUCCESS) {
- syslog(LOG_ALERT, "LDAP: Cannot bind: %s (%d)\n", ldap_err2string(i), i);
- return(i);
- }
-
- tv.tv_sec = 10;
- tv.tv_usec = 0;
-
- if (config.c_auth_mode == AUTHMODE_LDAP_AD) {
- sprintf(searchstring, "(sAMAccountName=%s)", username);
- }
- else {
- sprintf(searchstring, "(&(objectclass=posixAccount)(uid=%s))", username);
- }
-
- syslog(LOG_DEBUG, "LDAP search: %s\n", searchstring);
- (void) ldap_search_ext_s(
- ldserver, /* ld */
- config.c_ldap_base_dn, /* base */
- LDAP_SCOPE_SUBTREE, /* scope */
- searchstring, /* filter */
- NULL, /* attrs (all attributes) */
- 0, /* attrsonly (attrs + values) */
- NULL, /* serverctrls (none) */
- NULL, /* clientctrls (none) */
- &tv, /* timeout */
- 1, /* sizelimit (1 result max) */
- &search_result /* res */
- );
-
- /* Ignore the return value of ldap_search_ext_s(). Sometimes it returns an error even when
- * the search succeeds. Instead, we check to see whether search_result is still NULL.
- */
- if (search_result == NULL) {
- syslog(LOG_DEBUG, "LDAP search: zero results were returned\n");
- ldap_unbind(ldserver);
- return(2);
- }
-
- /* At this point we've got at least one result from our query. If there are multiple
- * results, we still only look at the first one.
- */
- entry = ldap_first_entry(ldserver, search_result);
- if (entry) {
-
- user_dn = ldap_get_dn(ldserver, entry);
- if (user_dn) {
- syslog(LOG_DEBUG, "dn = %s\n", user_dn);
- }
-
- if (config.c_auth_mode == AUTHMODE_LDAP_AD) {
- values = ldap_get_values(ldserver, search_result, "displayName");
- if (values) {
- if (values[0]) {
- if (fullname) safestrncpy(fullname, values[0], fullname_size);
- syslog(LOG_DEBUG, "displayName = %s\n", values[0]);
- }
- ldap_value_free(values);
- }
- }
- else {
- values = ldap_get_values(ldserver, search_result, "cn");
- if (values) {
- if (values[0]) {
- if (fullname) safestrncpy(fullname, values[0], fullname_size);
- syslog(LOG_DEBUG, "cn = %s\n", values[0]);
- }
- ldap_value_free(values);
- }
- }
-
- if (config.c_auth_mode == AUTHMODE_LDAP_AD) {
- values = ldap_get_values(ldserver, search_result, "objectGUID");
- if (values) {
- if (values[0]) {
- if (uid != NULL) {
- *uid = abs(HashLittle(values[0], strlen(values[0])));
- syslog(LOG_DEBUG, "uid hashed from objectGUID = %d\n", *uid);
- }
- }
- ldap_value_free(values);
- }
- }
- else {
- values = ldap_get_values(ldserver, search_result, "uidNumber");
- if (values) {
- if (values[0]) {
- syslog(LOG_DEBUG, "uidNumber = %s\n", values[0]);
- if (uid != NULL) {
- *uid = atoi(values[0]);
- }
- }
- ldap_value_free(values);
- }
- }
-
- }
-
- /* free the results */
- ldap_msgfree(search_result);
-
- /* unbind so we can go back in as the authenticating user */
- ldap_unbind(ldserver);
-
- if (!user_dn) {
- syslog(LOG_DEBUG, "No such user was found.\n");
- return(4);
- }
-
- if (found_dn) safestrncpy(found_dn, user_dn, found_dn_size);
- ldap_memfree(user_dn);
- return(0);
-}
-
-
-int CtdlTryPasswordLDAP(char *user_dn, const char *password)
-{
- LDAP *ldserver = NULL;
- int i = (-1);
-
- if (IsEmptyStr(password)) {
- syslog(LOG_DEBUG, "LDAP: empty passwords are not permitted\n");
- return(1);
- }
-
- syslog(LOG_DEBUG, "LDAP: trying to bind as %s\n", user_dn);
- ldserver = ldap_init(config.c_ldap_host, config.c_ldap_port);
- if (ldserver) {
- ldap_set_option(ldserver, LDAP_OPT_PROTOCOL_VERSION, &ctdl_require_ldap_version);
- i = ldap_simple_bind_s(ldserver, user_dn, password);
- if (i == LDAP_SUCCESS) {
- syslog(LOG_DEBUG, "LDAP: bind succeeded\n");
- }
- else {
- syslog(LOG_DEBUG, "LDAP: Cannot bind: %s (%d)\n", ldap_err2string(i), i);
- }
- ldap_set_option(ldserver, LDAP_OPT_REFERRALS, (void *)LDAP_OPT_OFF);
- ldap_unbind(ldserver);
- }
-
- if (i == LDAP_SUCCESS) {
- return(0);
- }
-
- return(1);
-}
-
-
-/*
- * Learn LDAP attributes and stuff them into the vCard.
- * Returns nonzero if we changed anything.
- */
-int Ctdl_LDAP_to_vCard(char *ldap_dn, struct vCard *v)
-{
- int changed_something = 0;
-
- if (!ldap_dn) return(0);
- if (!v) return(0);
-
- /*
- * FIXME this is a stub function
- *
- * ldap_dn will contain the DN of the user, and v will contain a pointer to
- * the vCard that needs to be (re-)populated. Put the requisite LDAP code here.
- *
- vcard_set_prop(v, "email;internet", xxx, 0);
- *
- * return nonzero to tell the caller that we made changes that need to be saved
- changed_something = 1;
- *
- */
-
- return(changed_something); /* tell the caller whether we made any changes */
-}
-
-#endif /* HAVE_LDAP */
projects / citadel.git / blobdiff