mirror of
https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
5e54558c6d
(This used to be commit b0132e94fc
)
1436 lines
36 KiB
C
1436 lines
36 KiB
C
/*
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Unix SMB/CIFS implementation.
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idmap LDAP backend
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Copyright (C) Tim Potter 2000
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Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
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Copyright (C) Gerald Carter 2003
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Copyright (C) Simo Sorce 2003-2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "winbindd.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_IDMAP
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#include <lber.h>
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#include <ldap.h>
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#include "smbldap.h"
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struct idmap_ldap_context {
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struct smbldap_state *smbldap_state;
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char *url;
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char *suffix;
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char *user_dn;
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uint32_t filter_low_id, filter_high_id; /* Filter range */
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BOOL anon;
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};
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struct idmap_ldap_alloc_context {
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struct smbldap_state *smbldap_state;
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char *url;
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char *suffix;
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char *user_dn;
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uid_t low_uid, high_uid; /* Range of uids */
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gid_t low_gid, high_gid; /* Range of gids */
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};
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#define CHECK_ALLOC_DONE(mem) do { if (!mem) { DEBUG(0, ("Out of memory!\n")); ret = NT_STATUS_NO_MEMORY; goto done; } } while (0)
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/**********************************************************************
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IDMAP ALLOC TDB BACKEND
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**********************************************************************/
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static struct idmap_ldap_alloc_context *idmap_alloc_ldap;
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/*********************************************************************
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********************************************************************/
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static NTSTATUS get_credentials( TALLOC_CTX *mem_ctx,
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struct smbldap_state *ldap_state,
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const char *config_option,
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struct idmap_domain *dom,
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char **dn )
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{
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NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
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char *user_dn = NULL;
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char *secret = NULL;
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const char *tmp = NULL;
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/* assume anonymous if we don't have a specified user */
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tmp = lp_parm_const_string(-1, config_option, "ldap_user_dn", NULL);
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if ( tmp ) {
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if (!dom) {
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/* only the alloc backend is allowed to pass in a NULL dom */
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secret = idmap_fetch_secret("ldap", true, NULL, tmp);
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} else {
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secret = idmap_fetch_secret("ldap", false, dom->name, tmp);
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}
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if (!secret) {
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DEBUG(0, ("get_credentials: Unable to fetch "
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"auth credentials for %s in %s\n",
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tmp, (dom==NULL)?"ALLOC":dom->name));
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ret = NT_STATUS_ACCESS_DENIED;
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goto done;
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}
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*dn = talloc_strdup(mem_ctx, tmp);
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CHECK_ALLOC_DONE(*dn);
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} else {
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if ( !fetch_ldap_pw( &user_dn, &secret ) ) {
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DEBUG(2, ("get_credentials: Failed to lookup ldap "
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"bind creds. Using anonymous connection.\n"));
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*dn = talloc_strdup( mem_ctx, "" );
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} else {
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*dn = talloc_strdup(mem_ctx, user_dn);
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SAFE_FREE( user_dn );
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CHECK_ALLOC_DONE(*dn);
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}
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}
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smbldap_set_creds(ldap_state, false, *dn, secret);
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ret = NT_STATUS_OK;
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done:
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SAFE_FREE( secret );
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return ret;
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}
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/**********************************************************************
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Verify the sambaUnixIdPool entry in the directory.
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**********************************************************************/
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static NTSTATUS verify_idpool(void)
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{
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NTSTATUS ret;
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TALLOC_CTX *ctx;
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LDAPMessage *result = NULL;
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LDAPMod **mods = NULL;
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const char **attr_list;
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char *filter;
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int count;
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int rc;
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if ( ! idmap_alloc_ldap) {
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return NT_STATUS_UNSUCCESSFUL;
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}
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ctx = talloc_new(idmap_alloc_ldap);
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if ( ! ctx) {
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DEBUG(0, ("Out of memory!\n"));
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return NT_STATUS_NO_MEMORY;
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}
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filter = talloc_asprintf(ctx, "(objectclass=%s)", LDAP_OBJ_IDPOOL);
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CHECK_ALLOC_DONE(filter);
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attr_list = get_attr_list(ctx, idpool_attr_list);
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CHECK_ALLOC_DONE(attr_list);
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rc = smbldap_search(idmap_alloc_ldap->smbldap_state,
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idmap_alloc_ldap->suffix,
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LDAP_SCOPE_SUBTREE,
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filter,
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attr_list,
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0,
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&result);
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if (rc != LDAP_SUCCESS) {
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DEBUG(1, ("Unable to verify the idpool, cannot continue initialization!\n"));
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return NT_STATUS_UNSUCCESSFUL;
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}
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count = ldap_count_entries(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
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ldap_msgfree(result);
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if ( count > 1 ) {
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DEBUG(0,("Multiple entries returned from %s (base == %s)\n",
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filter, idmap_alloc_ldap->suffix));
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ret = NT_STATUS_UNSUCCESSFUL;
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goto done;
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}
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else if (count == 0) {
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char *uid_str, *gid_str;
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uid_str = talloc_asprintf(ctx, "%lu", (unsigned long)idmap_alloc_ldap->low_uid);
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gid_str = talloc_asprintf(ctx, "%lu", (unsigned long)idmap_alloc_ldap->low_gid);
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smbldap_set_mod(&mods, LDAP_MOD_ADD,
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"objectClass", LDAP_OBJ_IDPOOL);
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smbldap_set_mod(&mods, LDAP_MOD_ADD,
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get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER),
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uid_str);
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smbldap_set_mod(&mods, LDAP_MOD_ADD,
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get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER),
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gid_str);
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if (mods) {
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rc = smbldap_modify(idmap_alloc_ldap->smbldap_state,
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idmap_alloc_ldap->suffix,
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mods);
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ldap_mods_free(mods, True);
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} else {
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ret = NT_STATUS_UNSUCCESSFUL;
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goto done;
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}
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}
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ret = (rc == LDAP_SUCCESS)?NT_STATUS_OK:NT_STATUS_UNSUCCESSFUL;
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done:
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talloc_free(ctx);
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return ret;
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}
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/*****************************************************************************
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Initialise idmap database.
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*****************************************************************************/
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static NTSTATUS idmap_ldap_alloc_init(const char *params)
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{
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NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
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const char *range;
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const char *tmp;
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uid_t low_uid = 0;
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uid_t high_uid = 0;
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gid_t low_gid = 0;
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gid_t high_gid = 0;
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/* Only do init if we are online */
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if (idmap_is_offline()) {
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return NT_STATUS_FILE_IS_OFFLINE;
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}
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idmap_alloc_ldap = TALLOC_ZERO_P(NULL, struct idmap_ldap_alloc_context);
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CHECK_ALLOC_DONE( idmap_alloc_ldap );
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/* load ranges */
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idmap_alloc_ldap->low_uid = 0;
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idmap_alloc_ldap->high_uid = 0;
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idmap_alloc_ldap->low_gid = 0;
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idmap_alloc_ldap->high_gid = 0;
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range = lp_parm_const_string(-1, "idmap alloc config", "range", NULL);
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if (range && range[0]) {
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unsigned low_id, high_id;
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if (sscanf(range, "%u - %u", &low_id, &high_id) == 2) {
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if (low_id < high_id) {
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idmap_alloc_ldap->low_gid = idmap_alloc_ldap->low_uid = low_id;
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idmap_alloc_ldap->high_gid = idmap_alloc_ldap->high_uid = high_id;
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} else {
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DEBUG(1, ("ERROR: invalid idmap alloc range [%s]", range));
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}
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} else {
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DEBUG(1, ("ERROR: invalid syntax for idmap alloc config:range [%s]", range));
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}
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}
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if (lp_idmap_uid(&low_uid, &high_uid)) {
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idmap_alloc_ldap->low_uid = low_uid;
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idmap_alloc_ldap->high_uid = high_uid;
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}
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if (lp_idmap_gid(&low_gid, &high_gid)) {
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idmap_alloc_ldap->low_gid = low_gid;
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idmap_alloc_ldap->high_gid= high_gid;
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}
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if (idmap_alloc_ldap->high_uid <= idmap_alloc_ldap->low_uid) {
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DEBUG(1, ("idmap uid range missing or invalid\n"));
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DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
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ret = NT_STATUS_UNSUCCESSFUL;
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goto done;
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}
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if (idmap_alloc_ldap->high_gid <= idmap_alloc_ldap->low_gid) {
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DEBUG(1, ("idmap gid range missing or invalid\n"));
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DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
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ret = NT_STATUS_UNSUCCESSFUL;
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goto done;
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}
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if (params && *params) {
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/* assume location is the only parameter */
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idmap_alloc_ldap->url = talloc_strdup(idmap_alloc_ldap, params);
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} else {
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tmp = lp_parm_const_string(-1, "idmap alloc config", "ldap_url", NULL);
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if ( ! tmp) {
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DEBUG(1, ("ERROR: missing idmap ldap url\n"));
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ret = NT_STATUS_UNSUCCESSFUL;
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goto done;
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}
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idmap_alloc_ldap->url = talloc_strdup(idmap_alloc_ldap, tmp);
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}
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CHECK_ALLOC_DONE( idmap_alloc_ldap->url );
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tmp = lp_ldap_idmap_suffix();
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if ( ! tmp || ! *tmp) {
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tmp = lp_parm_const_string(-1, "idmap alloc config", "ldap_base_dn", NULL);
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}
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if ( ! tmp) {
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tmp = lp_ldap_suffix();
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if (tmp) {
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DEBUG(1, ("WARNING: Trying to use the global ldap suffix(%s)\n", tmp));
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DEBUGADD(1, ("as suffix. This may not be what you want!\n"));
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}
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if ( ! tmp) {
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DEBUG(1, ("ERROR: missing idmap ldap suffix\n"));
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ret = NT_STATUS_UNSUCCESSFUL;
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goto done;
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}
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}
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idmap_alloc_ldap->suffix = talloc_strdup(idmap_alloc_ldap, tmp);
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CHECK_ALLOC_DONE( idmap_alloc_ldap->suffix );
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ret = smbldap_init(idmap_alloc_ldap, winbind_event_context(),
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idmap_alloc_ldap->url,
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&idmap_alloc_ldap->smbldap_state);
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if (!NT_STATUS_IS_OK(ret)) {
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DEBUG(1, ("ERROR: smbldap_init (%s) failed!\n",
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idmap_alloc_ldap->url));
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goto done;
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}
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ret = get_credentials( idmap_alloc_ldap,
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idmap_alloc_ldap->smbldap_state,
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"idmap alloc config", NULL,
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&idmap_alloc_ldap->user_dn );
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if ( !NT_STATUS_IS_OK(ret) ) {
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DEBUG(1,("idmap_ldap_alloc_init: Failed to get connection "
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"credentials (%s)\n", nt_errstr(ret)));
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goto done;
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}
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/* see if the idmap suffix and sub entries exists */
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ret = verify_idpool();
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done:
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if ( !NT_STATUS_IS_OK( ret ) )
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TALLOC_FREE( idmap_alloc_ldap );
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return ret;
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}
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/********************************
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Allocate a new uid or gid
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********************************/
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static NTSTATUS idmap_ldap_allocate_id(struct unixid *xid)
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{
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TALLOC_CTX *ctx;
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NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
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int rc = LDAP_SERVER_DOWN;
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int count = 0;
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LDAPMessage *result = NULL;
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LDAPMessage *entry = NULL;
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LDAPMod **mods = NULL;
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char *id_str;
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char *new_id_str;
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char *filter = NULL;
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const char *dn = NULL;
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const char **attr_list;
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const char *type;
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/* Only do query if we are online */
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if (idmap_is_offline()) {
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return NT_STATUS_FILE_IS_OFFLINE;
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}
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if ( ! idmap_alloc_ldap) {
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return NT_STATUS_UNSUCCESSFUL;
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}
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ctx = talloc_new(idmap_alloc_ldap);
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if ( ! ctx) {
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DEBUG(0, ("Out of memory!\n"));
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return NT_STATUS_NO_MEMORY;
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}
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/* get type */
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switch (xid->type) {
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case ID_TYPE_UID:
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type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
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break;
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case ID_TYPE_GID:
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type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
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break;
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default:
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DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
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return NT_STATUS_INVALID_PARAMETER;
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}
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filter = talloc_asprintf(ctx, "(objectClass=%s)", LDAP_OBJ_IDPOOL);
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CHECK_ALLOC_DONE(filter);
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attr_list = get_attr_list(ctx, idpool_attr_list);
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CHECK_ALLOC_DONE(attr_list);
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DEBUG(10, ("Search of the id pool (filter: %s)\n", filter));
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rc = smbldap_search(idmap_alloc_ldap->smbldap_state,
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idmap_alloc_ldap->suffix,
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LDAP_SCOPE_SUBTREE, filter,
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attr_list, 0, &result);
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|
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if (rc != LDAP_SUCCESS) {
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DEBUG(0,("%s object not found\n", LDAP_OBJ_IDPOOL));
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goto done;
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}
|
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talloc_autofree_ldapmsg(ctx, result);
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|
|
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count = ldap_count_entries(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
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if (count != 1) {
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DEBUG(0,("Single %s object not found\n", LDAP_OBJ_IDPOOL));
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goto done;
|
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}
|
|
|
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entry = ldap_first_entry(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
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|
|
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dn = smbldap_talloc_dn(ctx, idmap_alloc_ldap->smbldap_state->ldap_struct, entry);
|
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if ( ! dn) {
|
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goto done;
|
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}
|
|
|
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if ( ! (id_str = smbldap_talloc_single_attribute(idmap_alloc_ldap->smbldap_state->ldap_struct,
|
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entry, type, ctx))) {
|
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DEBUG(0,("%s attribute not found\n", type));
|
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goto done;
|
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}
|
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if ( ! id_str) {
|
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DEBUG(0,("Out of memory\n"));
|
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ret = NT_STATUS_NO_MEMORY;
|
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goto done;
|
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}
|
|
|
|
xid->id = strtoul(id_str, NULL, 10);
|
|
|
|
/* make sure we still have room to grow */
|
|
|
|
switch (xid->type) {
|
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case ID_TYPE_UID:
|
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if (xid->id > idmap_alloc_ldap->high_uid) {
|
|
DEBUG(0,("Cannot allocate uid above %lu!\n",
|
|
(unsigned long)idmap_alloc_ldap->high_uid));
|
|
goto done;
|
|
}
|
|
break;
|
|
|
|
case ID_TYPE_GID:
|
|
if (xid->id > idmap_alloc_ldap->high_gid) {
|
|
DEBUG(0,("Cannot allocate gid above %lu!\n",
|
|
(unsigned long)idmap_alloc_ldap->high_uid));
|
|
goto done;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* impossible */
|
|
goto done;
|
|
}
|
|
|
|
new_id_str = talloc_asprintf(ctx, "%lu", (unsigned long)xid->id + 1);
|
|
if ( ! new_id_str) {
|
|
DEBUG(0,("Out of memory\n"));
|
|
ret = NT_STATUS_NO_MEMORY;
|
|
goto done;
|
|
}
|
|
|
|
smbldap_set_mod(&mods, LDAP_MOD_DELETE, type, id_str);
|
|
smbldap_set_mod(&mods, LDAP_MOD_ADD, type, new_id_str);
|
|
|
|
if (mods == NULL) {
|
|
DEBUG(0,("smbldap_set_mod() failed.\n"));
|
|
goto done;
|
|
}
|
|
|
|
DEBUG(10, ("Try to atomically increment the id (%s -> %s)\n", id_str, new_id_str));
|
|
|
|
rc = smbldap_modify(idmap_alloc_ldap->smbldap_state, dn, mods);
|
|
|
|
ldap_mods_free(mods, True);
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
DEBUG(1,("Failed to allocate new %s. smbldap_modify() failed.\n", type));
|
|
goto done;
|
|
}
|
|
|
|
ret = NT_STATUS_OK;
|
|
|
|
done:
|
|
talloc_free(ctx);
|
|
return ret;
|
|
}
|
|
|
|
/**********************************
|
|
Get current highest id.
|
|
**********************************/
|
|
|
|
static NTSTATUS idmap_ldap_get_hwm(struct unixid *xid)
|
|
{
|
|
TALLOC_CTX *memctx;
|
|
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
|
|
int rc = LDAP_SERVER_DOWN;
|
|
int count = 0;
|
|
LDAPMessage *result = NULL;
|
|
LDAPMessage *entry = NULL;
|
|
char *id_str;
|
|
char *filter = NULL;
|
|
const char **attr_list;
|
|
const char *type;
|
|
|
|
/* Only do query if we are online */
|
|
if (idmap_is_offline()) {
|
|
return NT_STATUS_FILE_IS_OFFLINE;
|
|
}
|
|
|
|
if ( ! idmap_alloc_ldap) {
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
memctx = talloc_new(idmap_alloc_ldap);
|
|
if ( ! memctx) {
|
|
DEBUG(0, ("Out of memory!\n"));
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
/* get type */
|
|
switch (xid->type) {
|
|
|
|
case ID_TYPE_UID:
|
|
type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
|
|
break;
|
|
|
|
case ID_TYPE_GID:
|
|
type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
|
|
break;
|
|
|
|
default:
|
|
DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
filter = talloc_asprintf(memctx, "(objectClass=%s)", LDAP_OBJ_IDPOOL);
|
|
CHECK_ALLOC_DONE(filter);
|
|
|
|
attr_list = get_attr_list(memctx, idpool_attr_list);
|
|
CHECK_ALLOC_DONE(attr_list);
|
|
|
|
rc = smbldap_search(idmap_alloc_ldap->smbldap_state,
|
|
idmap_alloc_ldap->suffix,
|
|
LDAP_SCOPE_SUBTREE, filter,
|
|
attr_list, 0, &result);
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
DEBUG(0,("%s object not found\n", LDAP_OBJ_IDPOOL));
|
|
goto done;
|
|
}
|
|
|
|
talloc_autofree_ldapmsg(memctx, result);
|
|
|
|
count = ldap_count_entries(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
|
|
if (count != 1) {
|
|
DEBUG(0,("Single %s object not found\n", LDAP_OBJ_IDPOOL));
|
|
goto done;
|
|
}
|
|
|
|
entry = ldap_first_entry(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
|
|
|
|
id_str = smbldap_talloc_single_attribute(idmap_alloc_ldap->smbldap_state->ldap_struct,
|
|
entry, type, memctx);
|
|
if ( ! id_str) {
|
|
DEBUG(0,("%s attribute not found\n", type));
|
|
goto done;
|
|
}
|
|
if ( ! id_str) {
|
|
DEBUG(0,("Out of memory\n"));
|
|
ret = NT_STATUS_NO_MEMORY;
|
|
goto done;
|
|
}
|
|
|
|
xid->id = strtoul(id_str, NULL, 10);
|
|
|
|
ret = NT_STATUS_OK;
|
|
done:
|
|
talloc_free(memctx);
|
|
return ret;
|
|
}
|
|
/**********************************
|
|
Set highest id.
|
|
**********************************/
|
|
|
|
static NTSTATUS idmap_ldap_set_hwm(struct unixid *xid)
|
|
{
|
|
TALLOC_CTX *ctx;
|
|
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
|
|
int rc = LDAP_SERVER_DOWN;
|
|
int count = 0;
|
|
LDAPMessage *result = NULL;
|
|
LDAPMessage *entry = NULL;
|
|
LDAPMod **mods = NULL;
|
|
char *new_id_str;
|
|
char *filter = NULL;
|
|
const char *dn = NULL;
|
|
const char **attr_list;
|
|
const char *type;
|
|
|
|
/* Only do query if we are online */
|
|
if (idmap_is_offline()) {
|
|
return NT_STATUS_FILE_IS_OFFLINE;
|
|
}
|
|
|
|
if ( ! idmap_alloc_ldap) {
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
ctx = talloc_new(idmap_alloc_ldap);
|
|
if ( ! ctx) {
|
|
DEBUG(0, ("Out of memory!\n"));
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
/* get type */
|
|
switch (xid->type) {
|
|
|
|
case ID_TYPE_UID:
|
|
type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
|
|
break;
|
|
|
|
case ID_TYPE_GID:
|
|
type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
|
|
break;
|
|
|
|
default:
|
|
DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
filter = talloc_asprintf(ctx, "(objectClass=%s)", LDAP_OBJ_IDPOOL);
|
|
CHECK_ALLOC_DONE(filter);
|
|
|
|
attr_list = get_attr_list(ctx, idpool_attr_list);
|
|
CHECK_ALLOC_DONE(attr_list);
|
|
|
|
rc = smbldap_search(idmap_alloc_ldap->smbldap_state,
|
|
idmap_alloc_ldap->suffix,
|
|
LDAP_SCOPE_SUBTREE, filter,
|
|
attr_list, 0, &result);
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
DEBUG(0,("%s object not found\n", LDAP_OBJ_IDPOOL));
|
|
goto done;
|
|
}
|
|
|
|
talloc_autofree_ldapmsg(ctx, result);
|
|
|
|
count = ldap_count_entries(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
|
|
if (count != 1) {
|
|
DEBUG(0,("Single %s object not found\n", LDAP_OBJ_IDPOOL));
|
|
goto done;
|
|
}
|
|
|
|
entry = ldap_first_entry(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
|
|
|
|
dn = smbldap_talloc_dn(ctx, idmap_alloc_ldap->smbldap_state->ldap_struct, entry);
|
|
if ( ! dn) {
|
|
goto done;
|
|
}
|
|
|
|
new_id_str = talloc_asprintf(ctx, "%lu", (unsigned long)xid->id);
|
|
if ( ! new_id_str) {
|
|
DEBUG(0,("Out of memory\n"));
|
|
ret = NT_STATUS_NO_MEMORY;
|
|
goto done;
|
|
}
|
|
|
|
smbldap_set_mod(&mods, LDAP_MOD_REPLACE, type, new_id_str);
|
|
|
|
if (mods == NULL) {
|
|
DEBUG(0,("smbldap_set_mod() failed.\n"));
|
|
goto done;
|
|
}
|
|
|
|
rc = smbldap_modify(idmap_alloc_ldap->smbldap_state, dn, mods);
|
|
|
|
ldap_mods_free(mods, True);
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
DEBUG(1,("Failed to allocate new %s. smbldap_modify() failed.\n", type));
|
|
goto done;
|
|
}
|
|
|
|
ret = NT_STATUS_OK;
|
|
|
|
done:
|
|
talloc_free(ctx);
|
|
return ret;
|
|
}
|
|
|
|
/**********************************
|
|
Close idmap ldap alloc
|
|
**********************************/
|
|
|
|
static NTSTATUS idmap_ldap_alloc_close(void)
|
|
{
|
|
if (idmap_alloc_ldap) {
|
|
smbldap_free_struct(&idmap_alloc_ldap->smbldap_state);
|
|
DEBUG(5,("The connection to the LDAP server was closed\n"));
|
|
/* maybe free the results here --metze */
|
|
TALLOC_FREE(idmap_alloc_ldap);
|
|
}
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
IDMAP MAPPING LDAP BACKEND
|
|
**********************************************************************/
|
|
|
|
static int idmap_ldap_close_destructor(struct idmap_ldap_context *ctx)
|
|
{
|
|
smbldap_free_struct(&ctx->smbldap_state);
|
|
DEBUG(5,("The connection to the LDAP server was closed\n"));
|
|
/* maybe free the results here --metze */
|
|
|
|
return 0;
|
|
}
|
|
|
|
/********************************
|
|
Initialise idmap database.
|
|
********************************/
|
|
|
|
static NTSTATUS idmap_ldap_db_init(struct idmap_domain *dom)
|
|
{
|
|
NTSTATUS ret;
|
|
struct idmap_ldap_context *ctx = NULL;
|
|
char *config_option = NULL;
|
|
const char *range = NULL;
|
|
const char *tmp = NULL;
|
|
|
|
/* Only do init if we are online */
|
|
if (idmap_is_offline()) {
|
|
return NT_STATUS_FILE_IS_OFFLINE;
|
|
}
|
|
|
|
ctx = TALLOC_ZERO_P(dom, struct idmap_ldap_context);
|
|
if ( ! ctx) {
|
|
DEBUG(0, ("Out of memory!\n"));
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
config_option = talloc_asprintf(ctx, "idmap config %s", dom->name);
|
|
if ( ! config_option) {
|
|
DEBUG(0, ("Out of memory!\n"));
|
|
ret = NT_STATUS_NO_MEMORY;
|
|
goto done;
|
|
}
|
|
|
|
/* load ranges */
|
|
range = lp_parm_const_string(-1, config_option, "range", NULL);
|
|
if (range && range[0]) {
|
|
if ((sscanf(range, "%u - %u", &ctx->filter_low_id, &ctx->filter_high_id) != 2) ||
|
|
(ctx->filter_low_id > ctx->filter_high_id)) {
|
|
DEBUG(1, ("ERROR: invalid filter range [%s]", range));
|
|
ctx->filter_low_id = 0;
|
|
ctx->filter_high_id = 0;
|
|
}
|
|
}
|
|
|
|
if (dom->params && *(dom->params)) {
|
|
/* assume location is the only parameter */
|
|
ctx->url = talloc_strdup(ctx, dom->params);
|
|
} else {
|
|
tmp = lp_parm_const_string(-1, config_option, "ldap_url", NULL);
|
|
|
|
if ( ! tmp) {
|
|
DEBUG(1, ("ERROR: missing idmap ldap url\n"));
|
|
ret = NT_STATUS_UNSUCCESSFUL;
|
|
goto done;
|
|
}
|
|
|
|
ctx->url = talloc_strdup(ctx, tmp);
|
|
}
|
|
CHECK_ALLOC_DONE(ctx->url);
|
|
|
|
tmp = lp_ldap_idmap_suffix();
|
|
if ( ! tmp || ! *tmp) {
|
|
tmp = lp_parm_const_string(-1, config_option, "ldap_base_dn", NULL);
|
|
}
|
|
if ( ! tmp) {
|
|
tmp = lp_ldap_suffix();
|
|
if (tmp) {
|
|
DEBUG(1, ("WARNING: Trying to use the global ldap suffix(%s)\n", tmp));
|
|
DEBUGADD(1, ("as suffix. This may not be what you want!\n"));
|
|
} else {
|
|
DEBUG(1, ("ERROR: missing idmap ldap suffix\n"));
|
|
ret = NT_STATUS_UNSUCCESSFUL;
|
|
goto done;
|
|
}
|
|
}
|
|
ctx->suffix = talloc_strdup(ctx, tmp);
|
|
CHECK_ALLOC_DONE(ctx->suffix);
|
|
|
|
ret = smbldap_init(ctx, winbind_event_context(), ctx->url,
|
|
&ctx->smbldap_state);
|
|
if (!NT_STATUS_IS_OK(ret)) {
|
|
DEBUG(1, ("ERROR: smbldap_init (%s) failed!\n", ctx->url));
|
|
goto done;
|
|
}
|
|
|
|
ret = get_credentials( ctx, ctx->smbldap_state, config_option,
|
|
dom, &ctx->user_dn );
|
|
if ( !NT_STATUS_IS_OK(ret) ) {
|
|
DEBUG(1,("idmap_ldap_db_init: Failed to get connection "
|
|
"credentials (%s)\n", nt_errstr(ret)));
|
|
goto done;
|
|
}
|
|
|
|
/* set the destructor on the context, so that resource are properly
|
|
freed if the contexts is released */
|
|
|
|
talloc_set_destructor(ctx, idmap_ldap_close_destructor);
|
|
|
|
dom->private_data = ctx;
|
|
dom->initialized = True;
|
|
|
|
talloc_free(config_option);
|
|
return NT_STATUS_OK;
|
|
|
|
/*failed */
|
|
done:
|
|
talloc_free(ctx);
|
|
return ret;
|
|
}
|
|
|
|
/* max number of ids requested per batch query */
|
|
#define IDMAP_LDAP_MAX_IDS 30
|
|
|
|
/**********************************
|
|
lookup a set of unix ids.
|
|
**********************************/
|
|
|
|
/* this function searches up to IDMAP_LDAP_MAX_IDS entries in maps for a match */
|
|
static struct id_map *find_map_by_id(struct id_map **maps, enum id_type type, uint32_t id)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < IDMAP_LDAP_MAX_IDS; i++) {
|
|
if (maps[i] == NULL) { /* end of the run */
|
|
return NULL;
|
|
}
|
|
if ((maps[i]->xid.type == type) && (maps[i]->xid.id == id)) {
|
|
return maps[i];
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static NTSTATUS idmap_ldap_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
|
|
{
|
|
NTSTATUS ret;
|
|
TALLOC_CTX *memctx;
|
|
struct idmap_ldap_context *ctx;
|
|
LDAPMessage *result = NULL;
|
|
const char *uidNumber;
|
|
const char *gidNumber;
|
|
const char **attr_list;
|
|
char *filter = NULL;
|
|
BOOL multi = False;
|
|
int idx = 0;
|
|
int bidx = 0;
|
|
int count;
|
|
int rc;
|
|
int i;
|
|
|
|
/* Only do query if we are online */
|
|
if (idmap_is_offline()) {
|
|
return NT_STATUS_FILE_IS_OFFLINE;
|
|
}
|
|
|
|
/* Initilization my have been deferred because we were offline */
|
|
if ( ! dom->initialized) {
|
|
ret = idmap_ldap_db_init(dom);
|
|
if ( ! NT_STATUS_IS_OK(ret)) {
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ctx = talloc_get_type(dom->private_data, struct idmap_ldap_context);
|
|
|
|
memctx = talloc_new(ctx);
|
|
if ( ! memctx) {
|
|
DEBUG(0, ("Out of memory!\n"));
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
uidNumber = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
|
|
gidNumber = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
|
|
|
|
attr_list = get_attr_list(ctx, sidmap_attr_list);
|
|
|
|
if ( ! ids[1]) {
|
|
/* if we are requested just one mapping use the simple filter */
|
|
|
|
filter = talloc_asprintf(memctx, "(&(objectClass=%s)(%s=%lu))",
|
|
LDAP_OBJ_IDMAP_ENTRY,
|
|
(ids[0]->xid.type==ID_TYPE_UID)?uidNumber:gidNumber,
|
|
(unsigned long)ids[0]->xid.id);
|
|
CHECK_ALLOC_DONE(filter);
|
|
DEBUG(10, ("Filter: [%s]\n", filter));
|
|
} else {
|
|
/* multiple mappings */
|
|
multi = True;
|
|
}
|
|
|
|
again:
|
|
if (multi) {
|
|
|
|
talloc_free(filter);
|
|
filter = talloc_asprintf(memctx, "(&(objectClass=%s)(|", LDAP_OBJ_IDMAP_ENTRY);
|
|
CHECK_ALLOC_DONE(filter);
|
|
|
|
bidx = idx;
|
|
for (i = 0; (i < IDMAP_LDAP_MAX_IDS) && ids[idx]; i++, idx++) {
|
|
filter = talloc_asprintf_append(filter, "(%s=%lu)",
|
|
(ids[idx]->xid.type==ID_TYPE_UID)?uidNumber:gidNumber,
|
|
(unsigned long)ids[idx]->xid.id);
|
|
CHECK_ALLOC_DONE(filter);
|
|
}
|
|
filter = talloc_asprintf_append(filter, "))");
|
|
CHECK_ALLOC_DONE(filter);
|
|
DEBUG(10, ("Filter: [%s]\n", filter));
|
|
} else {
|
|
bidx = 0;
|
|
idx = 1;
|
|
}
|
|
|
|
rc = smbldap_search(ctx->smbldap_state, ctx->suffix, LDAP_SCOPE_SUBTREE,
|
|
filter, attr_list, 0, &result);
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
DEBUG(3,("Failure looking up ids (%s)\n", ldap_err2string(rc)));
|
|
ret = NT_STATUS_UNSUCCESSFUL;
|
|
goto done;
|
|
}
|
|
|
|
count = ldap_count_entries(ctx->smbldap_state->ldap_struct, result);
|
|
|
|
if (count == 0) {
|
|
DEBUG(10, ("NO SIDs found\n"));
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
LDAPMessage *entry = NULL;
|
|
char *sidstr = NULL;
|
|
char *tmp = NULL;
|
|
enum id_type type;
|
|
struct id_map *map;
|
|
uint32_t id;
|
|
|
|
if (i == 0) { /* first entry */
|
|
entry = ldap_first_entry(ctx->smbldap_state->ldap_struct, result);
|
|
} else { /* following ones */
|
|
entry = ldap_next_entry(ctx->smbldap_state->ldap_struct, entry);
|
|
}
|
|
if ( ! entry) {
|
|
DEBUG(2, ("ERROR: Unable to fetch ldap entries from results\n"));
|
|
break;
|
|
}
|
|
|
|
/* first check if the SID is present */
|
|
sidstr = smbldap_talloc_single_attribute(
|
|
ctx->smbldap_state->ldap_struct,
|
|
entry, LDAP_ATTRIBUTE_SID, memctx);
|
|
if ( ! sidstr) { /* no sid, skip entry */
|
|
DEBUG(2, ("WARNING SID not found on entry\n"));
|
|
continue;
|
|
}
|
|
|
|
/* now try to see if it is a uid, if not try with a gid
|
|
* (gid is more common, but in case both uidNumber and
|
|
* gidNumber are returned the SID is mapped to the uid not the gid) */
|
|
type = ID_TYPE_UID;
|
|
tmp = smbldap_talloc_single_attribute(
|
|
ctx->smbldap_state->ldap_struct,
|
|
entry, uidNumber, memctx);
|
|
if ( ! tmp) {
|
|
type = ID_TYPE_GID;
|
|
tmp = smbldap_talloc_single_attribute(
|
|
ctx->smbldap_state->ldap_struct,
|
|
entry, gidNumber, memctx);
|
|
}
|
|
if ( ! tmp) { /* wow very strange entry, how did it match ? */
|
|
DEBUG(5, ("Unprobable match on (%s), no uidNumber, nor gidNumber returned\n", sidstr));
|
|
TALLOC_FREE(sidstr);
|
|
continue;
|
|
}
|
|
|
|
id = strtoul(tmp, NULL, 10);
|
|
if ((id == 0) ||
|
|
(ctx->filter_low_id && (id < ctx->filter_low_id)) ||
|
|
(ctx->filter_high_id && (id > ctx->filter_high_id))) {
|
|
DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
|
|
id, ctx->filter_low_id, ctx->filter_high_id));
|
|
TALLOC_FREE(sidstr);
|
|
TALLOC_FREE(tmp);
|
|
continue;
|
|
}
|
|
TALLOC_FREE(tmp);
|
|
|
|
map = find_map_by_id(&ids[bidx], type, id);
|
|
if (!map) {
|
|
DEBUG(2, ("WARNING: couldn't match sid (%s) with requested ids\n", sidstr));
|
|
TALLOC_FREE(sidstr);
|
|
continue;
|
|
}
|
|
|
|
if ( ! string_to_sid(map->sid, sidstr)) {
|
|
DEBUG(2, ("ERROR: Invalid SID on entry\n"));
|
|
TALLOC_FREE(sidstr);
|
|
continue;
|
|
}
|
|
TALLOC_FREE(sidstr);
|
|
|
|
/* mapped */
|
|
map->status = ID_MAPPED;
|
|
|
|
DEBUG(10, ("Mapped %s -> %lu (%d)\n", sid_string_static(map->sid), (unsigned long)map->xid.id, map->xid.type));
|
|
}
|
|
|
|
/* free the ldap results */
|
|
if (result) {
|
|
ldap_msgfree(result);
|
|
result = NULL;
|
|
}
|
|
|
|
if (multi && ids[idx]) { /* still some values to map */
|
|
goto again;
|
|
}
|
|
|
|
ret = NT_STATUS_OK;
|
|
|
|
/* mark all unknwon/expired ones as unmapped */
|
|
for (i = 0; ids[i]; i++) {
|
|
if (ids[i]->status != ID_MAPPED)
|
|
ids[i]->status = ID_UNMAPPED;
|
|
}
|
|
|
|
done:
|
|
talloc_free(memctx);
|
|
return ret;
|
|
}
|
|
|
|
/**********************************
|
|
lookup a set of sids.
|
|
**********************************/
|
|
|
|
/* this function searches up to IDMAP_LDAP_MAX_IDS entries in maps for a match */
|
|
static struct id_map *find_map_by_sid(struct id_map **maps, DOM_SID *sid)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < IDMAP_LDAP_MAX_IDS; i++) {
|
|
if (maps[i] == NULL) { /* end of the run */
|
|
return NULL;
|
|
}
|
|
if (sid_equal(maps[i]->sid, sid)) {
|
|
return maps[i];
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static NTSTATUS idmap_ldap_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
|
|
{
|
|
LDAPMessage *entry = NULL;
|
|
NTSTATUS ret;
|
|
TALLOC_CTX *memctx;
|
|
struct idmap_ldap_context *ctx;
|
|
LDAPMessage *result = NULL;
|
|
const char *uidNumber;
|
|
const char *gidNumber;
|
|
const char **attr_list;
|
|
char *filter = NULL;
|
|
BOOL multi = False;
|
|
int idx = 0;
|
|
int bidx = 0;
|
|
int count;
|
|
int rc;
|
|
int i;
|
|
|
|
/* Only do query if we are online */
|
|
if (idmap_is_offline()) {
|
|
return NT_STATUS_FILE_IS_OFFLINE;
|
|
}
|
|
|
|
/* Initilization my have been deferred because we were offline */
|
|
if ( ! dom->initialized) {
|
|
ret = idmap_ldap_db_init(dom);
|
|
if ( ! NT_STATUS_IS_OK(ret)) {
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ctx = talloc_get_type(dom->private_data, struct idmap_ldap_context);
|
|
|
|
memctx = talloc_new(ctx);
|
|
if ( ! memctx) {
|
|
DEBUG(0, ("Out of memory!\n"));
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
uidNumber = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
|
|
gidNumber = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
|
|
|
|
attr_list = get_attr_list(ctx, sidmap_attr_list);
|
|
|
|
if ( ! ids[1]) {
|
|
/* if we are requested just one mapping use the simple filter */
|
|
|
|
filter = talloc_asprintf(memctx, "(&(objectClass=%s)(%s=%s))",
|
|
LDAP_OBJ_IDMAP_ENTRY,
|
|
LDAP_ATTRIBUTE_SID,
|
|
sid_string_static(ids[0]->sid));
|
|
CHECK_ALLOC_DONE(filter);
|
|
DEBUG(10, ("Filter: [%s]\n", filter));
|
|
} else {
|
|
/* multiple mappings */
|
|
multi = True;
|
|
}
|
|
|
|
again:
|
|
if (multi) {
|
|
|
|
TALLOC_FREE(filter);
|
|
filter = talloc_asprintf(memctx, "(&(objectClass=%s)(|", LDAP_OBJ_IDMAP_ENTRY);
|
|
CHECK_ALLOC_DONE(filter);
|
|
|
|
bidx = idx;
|
|
for (i = 0; (i < IDMAP_LDAP_MAX_IDS) && ids[idx]; i++, idx++) {
|
|
filter = talloc_asprintf_append(filter, "(%s=%s)",
|
|
LDAP_ATTRIBUTE_SID,
|
|
sid_string_static(ids[idx]->sid));
|
|
CHECK_ALLOC_DONE(filter);
|
|
}
|
|
filter = talloc_asprintf_append(filter, "))");
|
|
CHECK_ALLOC_DONE(filter);
|
|
DEBUG(10, ("Filter: [%s]", filter));
|
|
} else {
|
|
bidx = 0;
|
|
idx = 1;
|
|
}
|
|
|
|
rc = smbldap_search(ctx->smbldap_state, ctx->suffix, LDAP_SCOPE_SUBTREE,
|
|
filter, attr_list, 0, &result);
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
DEBUG(3,("Failure looking up sids (%s)\n", ldap_err2string(rc)));
|
|
ret = NT_STATUS_UNSUCCESSFUL;
|
|
goto done;
|
|
}
|
|
|
|
count = ldap_count_entries(ctx->smbldap_state->ldap_struct, result);
|
|
|
|
if (count == 0) {
|
|
DEBUG(10, ("NO SIDs found\n"));
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
char *sidstr = NULL;
|
|
char *tmp = NULL;
|
|
enum id_type type;
|
|
struct id_map *map;
|
|
DOM_SID sid;
|
|
uint32_t id;
|
|
|
|
if (i == 0) { /* first entry */
|
|
entry = ldap_first_entry(ctx->smbldap_state->ldap_struct, result);
|
|
} else { /* following ones */
|
|
entry = ldap_next_entry(ctx->smbldap_state->ldap_struct, entry);
|
|
}
|
|
if ( ! entry) {
|
|
DEBUG(2, ("ERROR: Unable to fetch ldap entries from results\n"));
|
|
break;
|
|
}
|
|
|
|
/* first check if the SID is present */
|
|
sidstr = smbldap_talloc_single_attribute(
|
|
ctx->smbldap_state->ldap_struct,
|
|
entry, LDAP_ATTRIBUTE_SID, memctx);
|
|
if ( ! sidstr) { /* no sid ??, skip entry */
|
|
DEBUG(2, ("WARNING SID not found on entry\n"));
|
|
continue;
|
|
}
|
|
|
|
if ( ! string_to_sid(&sid, sidstr)) {
|
|
DEBUG(2, ("ERROR: Invalid SID on entry\n"));
|
|
TALLOC_FREE(sidstr);
|
|
continue;
|
|
}
|
|
|
|
map = find_map_by_sid(&ids[bidx], &sid);
|
|
if (!map) {
|
|
DEBUG(2, ("WARNING: couldn't find entry sid (%s) in ids", sidstr));
|
|
TALLOC_FREE(sidstr);
|
|
continue;
|
|
}
|
|
|
|
TALLOC_FREE(sidstr);
|
|
|
|
/* now try to see if it is a uid, if not try with a gid
|
|
* (gid is more common, but in case both uidNumber and
|
|
* gidNumber are returned the SID is mapped to the uid not the gid) */
|
|
type = ID_TYPE_UID;
|
|
tmp = smbldap_talloc_single_attribute(
|
|
ctx->smbldap_state->ldap_struct,
|
|
entry, uidNumber, memctx);
|
|
if ( ! tmp) {
|
|
type = ID_TYPE_GID;
|
|
tmp = smbldap_talloc_single_attribute(
|
|
ctx->smbldap_state->ldap_struct,
|
|
entry, gidNumber, memctx);
|
|
}
|
|
if ( ! tmp) { /* no ids ?? */
|
|
DEBUG(5, ("no uidNumber, nor gidNumber attributes found\n"));
|
|
continue;
|
|
}
|
|
|
|
id = strtoul(tmp, NULL, 10);
|
|
if ((id == 0) ||
|
|
(ctx->filter_low_id && (id < ctx->filter_low_id)) ||
|
|
(ctx->filter_high_id && (id > ctx->filter_high_id))) {
|
|
DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
|
|
id, ctx->filter_low_id, ctx->filter_high_id));
|
|
TALLOC_FREE(tmp);
|
|
continue;
|
|
}
|
|
TALLOC_FREE(tmp);
|
|
|
|
/* mapped */
|
|
map->xid.type = type;
|
|
map->xid.id = id;
|
|
map->status = ID_MAPPED;
|
|
|
|
DEBUG(10, ("Mapped %s -> %lu (%d)\n", sid_string_static(map->sid), (unsigned long)map->xid.id, map->xid.type));
|
|
}
|
|
|
|
/* free the ldap results */
|
|
if (result) {
|
|
ldap_msgfree(result);
|
|
result = NULL;
|
|
}
|
|
|
|
if (multi && ids[idx]) { /* still some values to map */
|
|
goto again;
|
|
}
|
|
|
|
ret = NT_STATUS_OK;
|
|
|
|
/* mark all unknwon/expired ones as unmapped */
|
|
for (i = 0; ids[i]; i++) {
|
|
if (ids[i]->status != ID_MAPPED)
|
|
ids[i]->status = ID_UNMAPPED;
|
|
}
|
|
|
|
done:
|
|
talloc_free(memctx);
|
|
return ret;
|
|
}
|
|
|
|
/**********************************
|
|
set a mapping.
|
|
**********************************/
|
|
|
|
/* TODO: change this: This function cannot be called to modify a mapping, only set a new one */
|
|
|
|
static NTSTATUS idmap_ldap_set_mapping(struct idmap_domain *dom, const struct id_map *map)
|
|
{
|
|
NTSTATUS ret;
|
|
TALLOC_CTX *memctx;
|
|
struct idmap_ldap_context *ctx;
|
|
LDAPMessage *entry = NULL;
|
|
LDAPMod **mods = NULL;
|
|
const char *type;
|
|
char *id_str;
|
|
char *sid;
|
|
char *dn;
|
|
int rc = -1;
|
|
|
|
/* Only do query if we are online */
|
|
if (idmap_is_offline()) {
|
|
return NT_STATUS_FILE_IS_OFFLINE;
|
|
}
|
|
|
|
/* Initilization my have been deferred because we were offline */
|
|
if ( ! dom->initialized) {
|
|
ret = idmap_ldap_db_init(dom);
|
|
if ( ! NT_STATUS_IS_OK(ret)) {
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ctx = talloc_get_type(dom->private_data, struct idmap_ldap_context);
|
|
|
|
switch(map->xid.type) {
|
|
case ID_TYPE_UID:
|
|
type = get_attr_key2string(sidmap_attr_list, LDAP_ATTR_UIDNUMBER);
|
|
break;
|
|
|
|
case ID_TYPE_GID:
|
|
type = get_attr_key2string(sidmap_attr_list, LDAP_ATTR_GIDNUMBER);
|
|
break;
|
|
|
|
default:
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
memctx = talloc_new(ctx);
|
|
if ( ! memctx) {
|
|
DEBUG(0, ("Out of memory!\n"));
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
id_str = talloc_asprintf(memctx, "%lu", (unsigned long)map->xid.id);
|
|
CHECK_ALLOC_DONE(id_str);
|
|
|
|
sid = talloc_strdup(memctx, sid_string_static(map->sid));
|
|
CHECK_ALLOC_DONE(sid);
|
|
|
|
dn = talloc_asprintf(memctx, "%s=%s,%s",
|
|
get_attr_key2string(sidmap_attr_list, LDAP_ATTR_SID),
|
|
sid,
|
|
ctx->suffix);
|
|
CHECK_ALLOC_DONE(dn);
|
|
|
|
smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_IDMAP_ENTRY);
|
|
|
|
smbldap_make_mod(ctx->smbldap_state->ldap_struct, entry, &mods, type, id_str);
|
|
|
|
smbldap_make_mod(ctx->smbldap_state->ldap_struct, entry, &mods,
|
|
get_attr_key2string(sidmap_attr_list, LDAP_ATTR_SID), sid);
|
|
|
|
if ( ! mods) {
|
|
DEBUG(2, ("ERROR: No mods?\n"));
|
|
ret = NT_STATUS_UNSUCCESSFUL;
|
|
goto done;
|
|
}
|
|
|
|
/* TODO: remove conflicting mappings! */
|
|
|
|
smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SID_ENTRY);
|
|
|
|
DEBUG(10, ("Set DN %s (%s -> %s)\n", dn, sid, id_str));
|
|
|
|
rc = smbldap_add(ctx->smbldap_state, dn, mods);
|
|
ldap_mods_free(mods, True);
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
char *ld_error = NULL;
|
|
ldap_get_option(ctx->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
|
|
DEBUG(0,("ldap_set_mapping_internals: Failed to add %s to %lu mapping [%s]\n",
|
|
sid, (unsigned long)map->xid.id, type));
|
|
DEBUG(0, ("ldap_set_mapping_internals: Error was: %s (%s)\n",
|
|
ld_error ? ld_error : "(NULL)", ldap_err2string (rc)));
|
|
if (ld_error) {
|
|
ldap_memfree(ld_error);
|
|
}
|
|
ret = NT_STATUS_UNSUCCESSFUL;
|
|
goto done;
|
|
}
|
|
|
|
DEBUG(10,("ldap_set_mapping: Successfully created mapping from %s to %lu [%s]\n",
|
|
sid, (unsigned long)map->xid.id, type));
|
|
|
|
ret = NT_STATUS_OK;
|
|
|
|
done:
|
|
talloc_free(memctx);
|
|
return ret;
|
|
}
|
|
|
|
/**********************************
|
|
Close the idmap ldap instance
|
|
**********************************/
|
|
|
|
static NTSTATUS idmap_ldap_close(struct idmap_domain *dom)
|
|
{
|
|
struct idmap_ldap_context *ctx;
|
|
|
|
if (dom->private_data) {
|
|
ctx = talloc_get_type(dom->private_data, struct idmap_ldap_context);
|
|
|
|
talloc_free(ctx);
|
|
dom->private_data = NULL;
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static struct idmap_methods idmap_ldap_methods = {
|
|
|
|
.init = idmap_ldap_db_init,
|
|
.unixids_to_sids = idmap_ldap_unixids_to_sids,
|
|
.sids_to_unixids = idmap_ldap_sids_to_unixids,
|
|
.set_mapping = idmap_ldap_set_mapping,
|
|
.close_fn = idmap_ldap_close
|
|
};
|
|
|
|
static struct idmap_alloc_methods idmap_ldap_alloc_methods = {
|
|
|
|
.init = idmap_ldap_alloc_init,
|
|
.allocate_id = idmap_ldap_allocate_id,
|
|
.get_id_hwm = idmap_ldap_get_hwm,
|
|
.set_id_hwm = idmap_ldap_set_hwm,
|
|
.close_fn = idmap_ldap_alloc_close,
|
|
/* .dump_data = TODO */
|
|
};
|
|
|
|
NTSTATUS idmap_alloc_ldap_init(void)
|
|
{
|
|
return smb_register_idmap_alloc(SMB_IDMAP_INTERFACE_VERSION, "ldap", &idmap_ldap_alloc_methods);
|
|
}
|
|
|
|
NTSTATUS idmap_ldap_init(void)
|
|
{
|
|
NTSTATUS ret;
|
|
|
|
/* FIXME: bad hack to actually register also the alloc_ldap module without changining configure.in */
|
|
ret = idmap_alloc_ldap_init();
|
|
if (! NT_STATUS_IS_OK(ret)) {
|
|
return ret;
|
|
}
|
|
return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "ldap", &idmap_ldap_methods);
|
|
}
|
|
|