/*
- * idmap_ad: map between Active Directory and RFC 2307 or "Services for Unix" (SFU) Accounts
+ * idmap_ad: map between Active Directory and RFC 2307 accounts
*
- * Unix SMB/CIFS implementation.
- *
- * Winbind ADS backend functions
- *
- * Copyright (C) Andrew Tridgell 2001
- * Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
- * Copyright (C) Gerald (Jerry) Carter 2004-2007
- * Copyright (C) Luke Howard 2001-2004
- * Copyright (C) Michael Adam 2008,2010
+ * Copyright (C) Volker Lendecke 2015
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "includes.h"
#include "winbindd.h"
-#include "../libds/common/flags.h"
-#include "ads.h"
-#include "libads/ldap_schema.h"
-#include "nss_info.h"
#include "idmap.h"
-#include "../libcli/ldap/ldap_ndr.h"
-#include "../libcli/security/security.h"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_IDMAP
+#include "tldap_gensec_bind.h"
+#include "tldap_util.h"
+#include "lib/param/param.h"
+#include "utils/net.h"
+#include "auth/gensec/gensec.h"
+#include "librpc/gen_ndr/ndr_netlogon.h"
+#include "libads/ldap_schema_oids.h"
+#include "../libds/common/flags.h"
+#include "libcli/ldap/ldap_ndr.h"
+#include "libcli/security/dom_sid.h"
-#define CHECK_ALLOC_DONE(mem) do { \
- if (!mem) { \
- DEBUG(0, ("Out of memory!\n")); \
- ret = NT_STATUS_NO_MEMORY; \
- goto done; \
- } \
-} while (0)
+struct idmap_ad_schema_names;
struct idmap_ad_context {
- ADS_STRUCT *ads;
- struct posix_schema *ad_schema;
- enum wb_posix_mapping ad_map_type; /* WB_POSIX_MAP_UNKNOWN */
+ struct idmap_domain *dom;
+ struct tldap_context *ld;
+ struct idmap_ad_schema_names *schema;
+ const char *default_nc;
};
-/************************************************************************
- ***********************************************************************/
+static char *get_schema_path(TALLOC_CTX *mem_ctx, struct tldap_context *ld)
+{
+ struct tldap_message *rootdse;
-static ADS_STATUS ad_idmap_cached_connection(struct idmap_domain *dom)
+ rootdse = tldap_rootdse(ld);
+ if (rootdse == NULL) {
+ return NULL;
+ }
+
+ return tldap_talloc_single_attribute(rootdse, "schemaNamingContext",
+ mem_ctx);
+}
+
+static char *get_default_nc(TALLOC_CTX *mem_ctx, struct tldap_context *ld)
{
- ADS_STATUS status;
- struct idmap_ad_context * ctx;
+ struct tldap_message *rootdse;
- DEBUG(10, ("ad_idmap_cached_connection: called for domain '%s'\n",
- dom->name));
+ rootdse = tldap_rootdse(ld);
+ if (rootdse == NULL) {
+ return NULL;
+ }
- ctx = talloc_get_type(dom->private_data, struct idmap_ad_context);
+ return tldap_talloc_single_attribute(rootdse, "defaultNamingContext",
+ mem_ctx);
+}
- status = ads_idmap_cached_connection(&ctx->ads, dom->name);
- if (!ADS_ERR_OK(status)) {
- return status;
+struct idmap_ad_schema_names {
+ char *name;
+ char *uid;
+ char *gid;
+ char *gecos;
+ char *dir;
+ char *shell;
+};
+
+static TLDAPRC get_attrnames_by_oids(struct tldap_context *ld,
+ TALLOC_CTX *mem_ctx,
+ const char *schema_path,
+ size_t num_oids,
+ const char **oids,
+ char **names)
+{
+ char *filter;
+ const char *attrs[] = { "lDAPDisplayName", "attributeId" };
+ size_t i;
+ TLDAPRC rc;
+ struct tldap_message **msgs;
+ size_t num_msgs;
+
+ filter = talloc_strdup(mem_ctx, "(|");
+ if (filter == NULL) {
+ return TLDAP_NO_MEMORY;
+ }
+
+ for (i=0; i<num_oids; i++) {
+ filter = talloc_asprintf_append_buffer(
+ filter, "(attributeId=%s)", oids[i]);
+ if (filter == NULL) {
+ return TLDAP_NO_MEMORY;
+ }
}
- ctx = talloc_get_type(dom->private_data, struct idmap_ad_context);
+ filter = talloc_asprintf_append_buffer(filter, ")");
+ if (filter == NULL) {
+ return TLDAP_NO_MEMORY;
+ }
- /* if we have a valid ADS_STRUCT and the schema model is
- defined, then we can return here. */
+ rc = tldap_search(ld, schema_path, TLDAP_SCOPE_SUB, filter,
+ attrs, ARRAY_SIZE(attrs), 0, NULL, 0, NULL, 0,
+ 0, 0, 0, mem_ctx, &msgs);;
+ TALLOC_FREE(filter);
+ if (!TLDAP_RC_IS_SUCCESS(rc)) {
+ return rc;
+ }
- if ( ctx->ad_schema ) {
- return ADS_SUCCESS;
+ for (i=0; i<num_oids; i++) {
+ names[i] = NULL;
}
- /* Otherwise, set the schema model */
+ num_msgs = talloc_array_length(msgs);
- if ( (ctx->ad_map_type == WB_POSIX_MAP_SFU) ||
- (ctx->ad_map_type == WB_POSIX_MAP_SFU20) ||
- (ctx->ad_map_type == WB_POSIX_MAP_RFC2307) )
- {
- status = ads_check_posix_schema_mapping(
- ctx, ctx->ads, ctx->ad_map_type, &ctx->ad_schema);
- if ( !ADS_ERR_OK(status) ) {
- DEBUG(2,("ad_idmap_cached_connection: Failed to obtain schema details!\n"));
+ for (i=0; i<num_msgs; i++) {
+ struct tldap_message *msg = msgs[i];
+ char *oid;
+ size_t j;
+
+ if (tldap_msg_type(msg) != TLDAP_RES_SEARCH_ENTRY) {
+ /* Could be a TLDAP_RES_SEARCH_REFERENCE */
+ continue;
+ }
+
+ oid = tldap_talloc_single_attribute(
+ msg, "attributeId", msg);
+ if (oid == NULL) {
+ continue;
}
+
+ for (j=0; j<num_oids; j++) {
+ if (strequal(oid, oids[j])) {
+ break;
+ }
+ }
+ TALLOC_FREE(oid);
+
+ if (j == num_oids) {
+ /* not found */
+ continue;
+ }
+
+ names[j] = tldap_talloc_single_attribute(
+ msg, "lDAPDisplayName", mem_ctx);
}
- return status;
+ TALLOC_FREE(msgs);
+
+ return TLDAP_SUCCESS;
+}
+
+static TLDAPRC get_posix_schema_names(struct tldap_context *ld,
+ const char *schema_mode,
+ TALLOC_CTX *mem_ctx,
+ struct idmap_ad_schema_names **pschema)
+{
+ char *schema_path;
+ struct idmap_ad_schema_names *schema;
+ char *names[6];
+ const char *oids_sfu[] = {
+ ADS_ATTR_SFU_UIDNUMBER_OID,
+ ADS_ATTR_SFU_GIDNUMBER_OID,
+ ADS_ATTR_SFU_HOMEDIR_OID,
+ ADS_ATTR_SFU_SHELL_OID,
+ ADS_ATTR_SFU_GECOS_OID,
+ ADS_ATTR_SFU_UID_OID
+ };
+ const char *oids_sfu20[] = {
+ ADS_ATTR_SFU20_UIDNUMBER_OID,
+ ADS_ATTR_SFU20_GIDNUMBER_OID,
+ ADS_ATTR_SFU20_HOMEDIR_OID,
+ ADS_ATTR_SFU20_SHELL_OID,
+ ADS_ATTR_SFU20_GECOS_OID,
+ ADS_ATTR_SFU20_UID_OID
+ };
+ const char *oids_rfc2307[] = {
+ ADS_ATTR_RFC2307_UIDNUMBER_OID,
+ ADS_ATTR_RFC2307_GIDNUMBER_OID,
+ ADS_ATTR_RFC2307_HOMEDIR_OID,
+ ADS_ATTR_RFC2307_SHELL_OID,
+ ADS_ATTR_RFC2307_GECOS_OID,
+ ADS_ATTR_RFC2307_UID_OID
+ };
+ const char **oids;
+
+ TLDAPRC rc;
+
+ schema = talloc(mem_ctx, struct idmap_ad_schema_names);
+ if (schema == NULL) {
+ return TLDAP_NO_MEMORY;
+ }
+
+ schema_path = get_schema_path(schema, ld);
+ if (schema_path == NULL) {
+ TALLOC_FREE(schema);
+ return TLDAP_NO_MEMORY;
+ }
+
+ oids = oids_rfc2307;
+
+ if ((schema_mode != NULL) && (schema_mode[0] != '\0')) {
+ if (strequal(schema_mode, "sfu")) {
+ oids = oids_sfu;
+ } else if (strequal(schema_mode, "sfu20")) {
+ oids = oids_sfu20;
+ } else if (strequal(schema_mode, "rfc2307" )) {
+ oids = oids_rfc2307;
+ } else {
+ DBG_WARNING("Unknown schema mode %s\n", schema_mode);
+ }
+ }
+
+ rc = get_attrnames_by_oids(ld, schema, schema_path, 6, oids, names);
+ TALLOC_FREE(schema_path);
+ if (!TLDAP_RC_IS_SUCCESS(rc)) {
+ TALLOC_FREE(schema);
+ return rc;
+ }
+
+ schema->uid = names[0];
+ schema->gid = names[1];
+ schema->dir = names[2];
+ schema->shell = names[3];
+ schema->gecos = names[4];
+ schema->name = names[5];
+
+ *pschema = schema;
+
+ return TLDAP_SUCCESS;
+}
+
+static NTSTATUS idmap_ad_get_tldap_ctx(TALLOC_CTX *mem_ctx,
+ const char *domname,
+ struct tldap_context **pld)
+{
+ struct netr_DsRGetDCNameInfo *dcinfo;
+ struct sockaddr_storage dcaddr;
+ struct cli_credentials *creds;
+ struct loadparm_context *lp_ctx;
+ struct tldap_context *ld;
+ int fd;
+ NTSTATUS status;
+ bool ok;
+ TLDAPRC rc;
+
+ status = wb_dsgetdcname_gencache_get(mem_ctx, domname, &dcinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_DEBUG("Could not get dcinfo for %s: %s\n", domname,
+ nt_errstr(status));
+ return status;
+ }
+
+ if (dcinfo->dc_unc == NULL) {
+ TALLOC_FREE(dcinfo);
+ return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
+ }
+ if (dcinfo->dc_unc[0] == '\\') {
+ dcinfo->dc_unc += 1;
+ }
+ if (dcinfo->dc_unc[0] == '\\') {
+ dcinfo->dc_unc += 1;
+ }
+
+ ok = resolve_name(dcinfo->dc_unc, &dcaddr, 0x20, true);
+ if (!ok) {
+ DBG_DEBUG("Could not resolve name %s\n", dcinfo->dc_unc);
+ TALLOC_FREE(dcinfo);
+ return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
+ }
+
+ status = open_socket_out(&dcaddr, 389, 10000, &fd);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_DEBUG("open_socket_out failed: %s\n", nt_errstr(status));
+ TALLOC_FREE(dcinfo);
+ return status;
+ }
+
+ ld = tldap_context_create(dcinfo, fd);
+ if (ld == NULL) {
+ DBG_DEBUG("tldap_context_create failed\n");
+ close(fd);
+ TALLOC_FREE(dcinfo);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ creds = cli_credentials_init(dcinfo);
+ if (creds == NULL) {
+ DBG_DEBUG("cli_credentials_init failed\n");
+ TALLOC_FREE(dcinfo);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ lp_ctx = loadparm_init_s3(dcinfo, loadparm_s3_helpers());
+ if (lp_ctx == NULL) {
+ DBG_DEBUG("loadparm_init_s3 failed\n");
+ TALLOC_FREE(dcinfo);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ cli_credentials_set_conf(creds, lp_ctx);
+
+ status = cli_credentials_set_machine_account(creds, lp_ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_DEBUG("cli_credentials_set_machine_account "
+ "failed: %s\n", nt_errstr(status));
+ TALLOC_FREE(dcinfo);
+ return status;
+ }
+
+ rc = tldap_gensec_bind(ld, creds, "ldap", dcinfo->dc_unc, NULL, lp_ctx,
+ GENSEC_FEATURE_SIGN | GENSEC_FEATURE_SEAL);
+ if (!TLDAP_RC_IS_SUCCESS(rc)) {
+ DBG_DEBUG("tldap_gensec_bind failed: %s\n",
+ tldap_errstr(dcinfo, ld, rc));
+ TALLOC_FREE(dcinfo);
+ return NT_STATUS_LDAP(TLDAP_RC_V(rc));
+ }
+
+ rc = tldap_fetch_rootdse(ld);
+ if (!TLDAP_RC_IS_SUCCESS(rc)) {
+ DBG_DEBUG("tldap_fetch_rootdse failed: %s\n",
+ tldap_errstr(dcinfo, ld, rc));
+ TALLOC_FREE(dcinfo);
+ return NT_STATUS_LDAP(TLDAP_RC_V(rc));
+ }
+
+ *pld = talloc_move(mem_ctx, &ld);
+ TALLOC_FREE(dcinfo);
+ return NT_STATUS_OK;
}
static int idmap_ad_context_destructor(struct idmap_ad_context *ctx)
{
- if (ctx->ads != NULL) {
- /* we own this ADS_STRUCT so make sure it goes away */
- ctx->ads->is_mine = True;
- ads_destroy( &ctx->ads );
- ctx->ads = NULL;
+ if ((ctx->dom != NULL) && (ctx->dom->private_data == ctx)) {
+ ctx->dom->private_data = NULL;
}
return 0;
}
-/************************************************************************
- ***********************************************************************/
-
-static NTSTATUS idmap_ad_initialize(struct idmap_domain *dom)
+static NTSTATUS idmap_ad_context_create(TALLOC_CTX *mem_ctx,
+ struct idmap_domain *dom,
+ const char *domname,
+ struct idmap_ad_context **pctx)
{
struct idmap_ad_context *ctx;
- char *config_option;
- const char *schema_mode = NULL;
+ char *schema_config_option;
+ const char *schema_mode;
+ NTSTATUS status;
+ TLDAPRC rc;
- ctx = talloc_zero(dom, struct idmap_ad_context);
+ ctx = talloc(mem_ctx, struct idmap_ad_context);
if (ctx == NULL) {
- DEBUG(0, ("Out of memory!\n"));
return NT_STATUS_NO_MEMORY;
}
+ ctx->dom = dom;
+
talloc_set_destructor(ctx, idmap_ad_context_destructor);
- config_option = talloc_asprintf(ctx, "idmap config %s", dom->name);
- if (config_option == NULL) {
- DEBUG(0, ("Out of memory!\n"));
- talloc_free(ctx);
- return NT_STATUS_NO_MEMORY;
+ status = idmap_ad_get_tldap_ctx(ctx, domname, &ctx->ld);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_DEBUG("idmap_ad_get_tldap_ctx failed: %s\n",
+ nt_errstr(status));
+ TALLOC_FREE(ctx);
+ return status;
}
- /* default map type */
- ctx->ad_map_type = WB_POSIX_MAP_RFC2307;
+ ctx->default_nc = get_default_nc(ctx, ctx->ld);
+ if (ctx->default_nc == NULL) {
+ DBG_DEBUG("No default nc\n");
+ TALLOC_FREE(ctx);
+ return status;
+ }
- /* schema mode */
- schema_mode = lp_parm_const_string(-1, config_option, "schema_mode", NULL);
- if ( schema_mode && schema_mode[0] ) {
- if ( strequal(schema_mode, "sfu") )
- ctx->ad_map_type = WB_POSIX_MAP_SFU;
- else if ( strequal(schema_mode, "sfu20" ) )
- ctx->ad_map_type = WB_POSIX_MAP_SFU20;
- else if ( strequal(schema_mode, "rfc2307" ) )
- ctx->ad_map_type = WB_POSIX_MAP_RFC2307;
- else
- DEBUG(0,("idmap_ad_initialize: Unknown schema_mode (%s)\n",
- schema_mode));
+ schema_config_option = talloc_asprintf(
+ ctx, "idmap config %s", domname);
+ if (schema_config_option == NULL) {
+ TALLOC_FREE(ctx);
+ return NT_STATUS_NO_MEMORY;
}
- dom->private_data = ctx;
+ schema_mode = lp_parm_const_string(
+ -1, schema_config_option, "schema_mode", "rfc2307");
+ TALLOC_FREE(schema_config_option);
- talloc_free(config_option);
+ rc = get_posix_schema_names(ctx->ld, schema_mode, ctx, &ctx->schema);
+ if (!TLDAP_RC_IS_SUCCESS(rc)) {
+ DBG_DEBUG("get_posix_schema_names failed: %s\n",
+ tldap_errstr(ctx, ctx->ld, rc));
+ TALLOC_FREE(ctx);
+ return NT_STATUS_LDAP(TLDAP_RC_V(rc));
+ }
+ *pctx = ctx;
return NT_STATUS_OK;
}
-/************************************************************************
- ***********************************************************************/
+static NTSTATUS idmap_ad_initialize(struct idmap_domain *dom)
+{
+ dom->private_data = NULL;
+ return NT_STATUS_OK;
+}
-static NTSTATUS idmap_ad_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
+static NTSTATUS idmap_ad_get_context(struct idmap_domain *dom,
+ struct idmap_ad_context **pctx)
{
- NTSTATUS ret;
- TALLOC_CTX *memctx;
- struct idmap_ad_context *ctx;
- ADS_STATUS rc;
- const char *attrs[] = { "sAMAccountType",
- "objectSid",
- NULL, /* uidnumber */
- NULL, /* gidnumber */
- NULL };
- LDAPMessage *res = NULL;
- LDAPMessage *entry = NULL;
- char *filter = NULL;
- int idx = 0;
- int bidx = 0;
- int count;
- int i;
- char *u_filter = NULL;
- char *g_filter = NULL;
-
- /* initialize the status to avoid suprise */
- for (i = 0; ids[i]; i++) {
- ids[i]->status = ID_UNKNOWN;
+ struct idmap_ad_context *ctx = NULL;
+ NTSTATUS status;
+
+ if (dom->private_data != NULL) {
+ *pctx = talloc_get_type_abort(dom->private_data,
+ struct idmap_ad_context);
+ return NT_STATUS_OK;
}
- /* Only do query if we are online */
- if (idmap_is_offline()) {
- return NT_STATUS_FILE_IS_OFFLINE;
+ status = idmap_ad_context_create(dom, dom, dom->name, &ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_DEBUG("idmap_ad_context_create failed: %s\n",
+ nt_errstr(status));
+ return status;
}
- ctx = talloc_get_type(dom->private_data, struct idmap_ad_context);
+ dom->private_data = ctx;
+ *pctx = ctx;
+ return NT_STATUS_OK;
+}
- if ( (memctx = talloc_new(ctx)) == NULL ) {
- DEBUG(0, ("Out of memory!\n"));
- return NT_STATUS_NO_MEMORY;
+static NTSTATUS idmap_ad_unixids_to_sids(struct idmap_domain *dom,
+ struct id_map **ids)
+{
+ struct idmap_ad_context *ctx;
+ TLDAPRC rc;
+ NTSTATUS status;
+ struct tldap_message **msgs;
+
+ size_t i, num_msgs;
+ char *u_filter, *g_filter, *filter;
+
+ const char *attrs[] = {
+ "sAMAccountType",
+ "objectSid",
+ NULL, /* attr_uidnumber */
+ NULL, /* attr_gidnumber */
+ };
+
+ status = idmap_ad_get_context(dom, &ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
- rc = ad_idmap_cached_connection(dom);
- if (!ADS_ERR_OK(rc)) {
- DEBUG(1, ("ADS uninitialized: %s\n", ads_errstr(rc)));
- ret = NT_STATUS_UNSUCCESSFUL;
- /* ret = ads_ntstatus(rc); */
- goto done;
- }
-
- attrs[2] = ctx->ad_schema->posix_uidnumber_attr;
- attrs[3] = ctx->ad_schema->posix_gidnumber_attr;
-
-again:
- bidx = idx;
- for (i = 0; (i < IDMAP_LDAP_MAX_IDS) && ids[idx]; i++, idx++) {
- switch (ids[idx]->xid.type) {
- case ID_TYPE_UID:
- if ( ! u_filter) {
- u_filter = talloc_asprintf(memctx, "(&(|"
- "(sAMAccountType=%d)"
- "(sAMAccountType=%d)"
- "(sAMAccountType=%d))(|",
- ATYPE_NORMAL_ACCOUNT,
- ATYPE_WORKSTATION_TRUST,
- ATYPE_INTERDOMAIN_TRUST);
- }
- u_filter = talloc_asprintf_append_buffer(u_filter, "(%s=%lu)",
- ctx->ad_schema->posix_uidnumber_attr,
- (unsigned long)ids[idx]->xid.id);
- CHECK_ALLOC_DONE(u_filter);
- break;
+ attrs[2] = ctx->schema->uid;
+ attrs[3] = ctx->schema->gid;
- case ID_TYPE_GID:
- if ( ! g_filter) {
- g_filter = talloc_asprintf(memctx, "(&(|"
- "(sAMAccountType=%d)"
- "(sAMAccountType=%d))(|",
- ATYPE_SECURITY_GLOBAL_GROUP,
- ATYPE_SECURITY_LOCAL_GROUP);
- }
- g_filter = talloc_asprintf_append_buffer(g_filter, "(%s=%lu)",
- ctx->ad_schema->posix_gidnumber_attr,
- (unsigned long)ids[idx]->xid.id);
- CHECK_ALLOC_DONE(g_filter);
- break;
+ u_filter = talloc_strdup(talloc_tos(), "");
+ if (u_filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
- default:
- DEBUG(3, ("Error: mapping requested but Unknown ID type\n"));
- ids[idx]->status = ID_UNKNOWN;
- continue;
+ g_filter = talloc_strdup(talloc_tos(), "");
+ if (g_filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ for (i=0; ids[i] != NULL; i++) {
+ struct id_map *id = ids[i];
+
+ id->status = ID_UNKNOWN;
+
+ switch (id->xid.type) {
+ case ID_TYPE_UID: {
+ u_filter = talloc_asprintf_append_buffer(
+ u_filter, "(%s=%ju)", ctx->schema->uid,
+ (uintmax_t)id->xid.id);
+ if (u_filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ break;
+ }
+
+ case ID_TYPE_GID: {
+ g_filter = talloc_asprintf_append_buffer(
+ g_filter, "(%s=%ju)", ctx->schema->gid,
+ (uintmax_t)id->xid.id);
+ if (g_filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ break;
+ }
+
+ default:
+ DBG_WARNING("Unknown id type: %u\n",
+ (unsigned)id->xid.type);
+ break;
}
}
- filter = talloc_asprintf(memctx, "(|");
- CHECK_ALLOC_DONE(filter);
- if ( u_filter) {
- filter = talloc_asprintf_append_buffer(filter, "%s))", u_filter);
- CHECK_ALLOC_DONE(filter);
- TALLOC_FREE(u_filter);
+
+ filter = talloc_strdup(talloc_tos(), "(|");
+ if (filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (*u_filter != '\0') {
+ filter = talloc_asprintf_append_buffer(
+ filter,
+ "(&(|(sAMAccountType=%d)(sAMAccountType=%d)"
+ "(sAMAccountType=%d))(|%s))",
+ ATYPE_NORMAL_ACCOUNT, ATYPE_WORKSTATION_TRUST,
+ ATYPE_INTERDOMAIN_TRUST, u_filter);
+ if (filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
}
- if ( g_filter) {
- filter = talloc_asprintf_append_buffer(filter, "%s))", g_filter);
- CHECK_ALLOC_DONE(filter);
- TALLOC_FREE(g_filter);
+ TALLOC_FREE(u_filter);
+
+ if (*g_filter != '\0') {
+ filter = talloc_asprintf_append_buffer(
+ filter,
+ "(&(|(sAMAccountType=%d)(sAMAccountType=%d))(|%s))",
+ ATYPE_SECURITY_GLOBAL_GROUP,
+ ATYPE_SECURITY_LOCAL_GROUP,
+ g_filter);
+ if (filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
}
- filter = talloc_asprintf_append_buffer(filter, ")");
- CHECK_ALLOC_DONE(filter);
+ TALLOC_FREE(g_filter);
- rc = ads_search_retry(ctx->ads, &res, filter, attrs);
- if (!ADS_ERR_OK(rc)) {
- DEBUG(1, ("ERROR: ads search returned: %s\n", ads_errstr(rc)));
- ret = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ filter = talloc_asprintf_append_buffer(filter, ")");
+ if (filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
- if ( (count = ads_count_replies(ctx->ads, res)) == 0 ) {
- DEBUG(10, ("No IDs found\n"));
+ DBG_DEBUG("Filter: [%s]\n", filter);
+
+ rc = tldap_search(ctx->ld, ctx->default_nc, TLDAP_SCOPE_SUB, filter,
+ attrs, ARRAY_SIZE(attrs), 0, NULL, 0, NULL, 0,
+ 0, 0, 0, talloc_tos(), &msgs);
+ if (!TLDAP_RC_IS_SUCCESS(rc)) {
+ return NT_STATUS_LDAP(TLDAP_RC_V(rc));
}
- entry = res;
- for (i = 0; (i < count) && entry; i++) {
+ TALLOC_FREE(filter);
+
+ num_msgs = talloc_array_length(msgs);
+
+ for (i=0; i<num_msgs; i++) {
+ struct tldap_message *msg = msgs[i];
+ char *dn;
+ struct id_map *map;
struct dom_sid sid;
+ size_t j;
+ bool ok;
+ uint32_t atype, xid;
enum id_type type;
- struct id_map *map;
- uint32_t id;
- uint32_t atype;
- if (i == 0) { /* first entry */
- entry = ads_first_entry(ctx->ads, entry);
- } else { /* following ones */
- entry = ads_next_entry(ctx->ads, entry);
- }
-
- if ( !entry ) {
- DEBUG(2, ("ERROR: Unable to fetch ldap entries from results\n"));
- break;
+ if (tldap_msg_type(msg) != TLDAP_RES_SEARCH_ENTRY) {
+ continue;
}
- /* first check if the SID is present */
- if (!ads_pull_sid(ctx->ads, entry, "objectSid", &sid)) {
- DEBUG(2, ("Could not retrieve SID from entry\n"));
+ ok = tldap_entry_dn(msg, &dn);
+ if (!ok) {
+ DBG_DEBUG("No dn found in msg %zu\n", i);
continue;
}
- /* get type */
- if (!ads_pull_uint32(ctx->ads, entry, "sAMAccountType", &atype)) {
- DEBUG(1, ("could not get SAM account type\n"));
+ ok = tldap_pull_uint32(msg, "sAMAccountType", &atype);
+ if (!ok) {
+ DBG_DEBUG("No atype in object %s\n", dn);
continue;
}
switch (atype & 0xF0000000) {
- case ATYPE_SECURITY_GLOBAL_GROUP:
- case ATYPE_SECURITY_LOCAL_GROUP:
- type = ID_TYPE_GID;
- break;
- case ATYPE_NORMAL_ACCOUNT:
- case ATYPE_WORKSTATION_TRUST:
- case ATYPE_INTERDOMAIN_TRUST:
- type = ID_TYPE_UID;
- break;
- default:
- DEBUG(1, ("unrecognized SAM account type %08x\n", atype));
+ case ATYPE_SECURITY_GLOBAL_GROUP:
+ case ATYPE_SECURITY_LOCAL_GROUP:
+ type = ID_TYPE_GID;
+ break;
+ case ATYPE_NORMAL_ACCOUNT:
+ case ATYPE_WORKSTATION_TRUST:
+ case ATYPE_INTERDOMAIN_TRUST:
+ type = ID_TYPE_UID;
+ break;
+ default:
+ DBG_WARNING("unrecognized SAM account type %08x\n",
+ atype);
continue;
}
- if (!ads_pull_uint32(ctx->ads, entry, (type==ID_TYPE_UID) ?
- ctx->ad_schema->posix_uidnumber_attr :
- ctx->ad_schema->posix_gidnumber_attr,
- &id))
- {
- DEBUG(1, ("Could not get unix ID for SID %s\n",
- dom_sid_string(talloc_tos(), &sid)));
+ ok = tldap_pull_uint32(msg, (type == ID_TYPE_UID) ?
+ ctx->schema->uid : ctx->schema->gid,
+ &xid);
+ if (!ok) {
+ DBG_WARNING("No unix id in object %s\n", dn);
continue;
}
- if (!idmap_unix_id_is_in_range(id, dom)) {
- DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
- id, dom->low_id, dom->high_id));
+ ok = tldap_pull_binsid(msg, "objectSid", &sid);
+ if (!ok) {
+ DBG_DEBUG("No objectSid in object %s\n", dn);
continue;
}
- map = idmap_find_map_by_id(&ids[bidx], type, id);
- if (!map) {
- DEBUG(2, ("WARNING: couldn't match result with requested ID\n"));
+ map = NULL;
+ for (j=0; ids[j]; j++) {
+ if ((type == ids[j]->xid.type) &&
+ (xid == ids[j]->xid.id)) {
+ map = ids[j];
+ break;
+ }
+ }
+ if (map == NULL) {
+ DBG_DEBUG("Got unexpected sid %s from object %s\n",
+ sid_string_tos(&sid), dn);
continue;
}
sid_copy(map->sid, &sid);
-
- /* mapped */
map->status = ID_MAPPED;
- DEBUG(10, ("Mapped %s -> %lu (%d)\n", sid_string_dbg(map->sid),
- (unsigned long)map->xid.id,
- map->xid.type));
- }
-
- if (res) {
- ads_msgfree(ctx->ads, res);
- }
-
- if (ids[idx]) { /* still some values to map */
- goto again;
+ DBG_DEBUG("Mapped %s -> %ju (%d)\n", sid_string_dbg(map->sid),
+ (uintmax_t)map->xid.id, map->xid.type);
}
- ret = NT_STATUS_OK;
+ TALLOC_FREE(msgs);
- /* mark all unknown/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;
+ return NT_STATUS_OK;
}
-/************************************************************************
- ***********************************************************************/
-
-static NTSTATUS idmap_ad_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
+static NTSTATUS idmap_ad_sids_to_unixids(struct idmap_domain *dom,
+ struct id_map **ids)
{
- NTSTATUS ret;
- TALLOC_CTX *memctx;
struct idmap_ad_context *ctx;
- ADS_STATUS rc;
- const char *attrs[] = { "sAMAccountType",
- "objectSid",
- NULL, /* attr_uidnumber */
- NULL, /* attr_gidnumber */
- NULL };
- LDAPMessage *res = NULL;
- LDAPMessage *entry = NULL;
- char *filter = NULL;
- int idx = 0;
- int bidx = 0;
- int count;
- int i;
- char *sidstr;
-
- /* initialize the status to avoid suprise */
- for (i = 0; ids[i]; i++) {
- ids[i]->status = ID_UNKNOWN;
- }
-
- /* Only do query if we are online */
- if (idmap_is_offline()) {
- return NT_STATUS_FILE_IS_OFFLINE;
+ TLDAPRC rc;
+ NTSTATUS status;
+ struct tldap_message **msgs;
+
+ char *filter;
+ size_t i, num_msgs;
+
+ const char *attrs[] = {
+ "sAMAccountType",
+ "objectSid",
+ NULL, /* attr_uidnumber */
+ NULL, /* attr_gidnumber */
+ };
+
+ status = idmap_ad_get_context(dom, &ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
- ctx = talloc_get_type(dom->private_data, struct idmap_ad_context);
+ attrs[2] = ctx->schema->uid;
+ attrs[3] = ctx->schema->gid;
- if ( (memctx = talloc_new(ctx)) == NULL ) {
- DEBUG(0, ("Out of memory!\n"));
+ filter = talloc_asprintf(
+ talloc_tos(),
+ "(&(|(sAMAccountType=%d)(sAMAccountType=%d)(sAMAccountType=%d)"
+ "(sAMAccountType=%d)(sAMAccountType=%d))(|",
+ ATYPE_NORMAL_ACCOUNT, ATYPE_WORKSTATION_TRUST,
+ ATYPE_INTERDOMAIN_TRUST, ATYPE_SECURITY_GLOBAL_GROUP,
+ ATYPE_SECURITY_LOCAL_GROUP);
+ if (filter == NULL) {
return NT_STATUS_NO_MEMORY;
}
- rc = ad_idmap_cached_connection(dom);
- if (!ADS_ERR_OK(rc)) {
- DEBUG(1, ("ADS uninitialized: %s\n", ads_errstr(rc)));
- ret = NT_STATUS_UNSUCCESSFUL;
- /* ret = ads_ntstatus(rc); */
- goto done;
- }
+ for (i=0; ids[i]; i++) {
+ char *sidstr;
- if (ctx->ad_schema == NULL) {
- DEBUG(0, ("haven't got ctx->ad_schema ! \n"));
- ret = NT_STATUS_UNSUCCESSFUL;
- goto done;
- }
-
- attrs[2] = ctx->ad_schema->posix_uidnumber_attr;
- attrs[3] = ctx->ad_schema->posix_gidnumber_attr;
-
-again:
- filter = talloc_asprintf(memctx, "(&(|"
- "(sAMAccountType=%d)(sAMAccountType=%d)(sAMAccountType=%d)" /* user account types */
- "(sAMAccountType=%d)(sAMAccountType=%d)" /* group account types */
- ")(|",
- ATYPE_NORMAL_ACCOUNT, ATYPE_WORKSTATION_TRUST, ATYPE_INTERDOMAIN_TRUST,
- ATYPE_SECURITY_GLOBAL_GROUP, ATYPE_SECURITY_LOCAL_GROUP);
-
- CHECK_ALLOC_DONE(filter);
-
- bidx = idx;
- for (i = 0; (i < IDMAP_LDAP_MAX_IDS) && ids[idx]; i++, idx++) {
-
- ids[idx]->status = ID_UNKNOWN;
+ ids[i]->status = ID_UNKNOWN;
- sidstr = ldap_encode_ndr_dom_sid(talloc_tos(), ids[idx]->sid);
- filter = talloc_asprintf_append_buffer(filter, "(objectSid=%s)", sidstr);
+ sidstr = ldap_encode_ndr_dom_sid(talloc_tos(), ids[i]->sid);
+ if (sidstr == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ filter = talloc_asprintf_append_buffer(
+ filter, "(objectSid=%s)", sidstr);
TALLOC_FREE(sidstr);
- CHECK_ALLOC_DONE(filter);
+ if (filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
}
- filter = talloc_asprintf_append_buffer(filter, "))");
- CHECK_ALLOC_DONE(filter);
- DEBUG(10, ("Filter: [%s]\n", filter));
- rc = ads_search_retry(ctx->ads, &res, filter, attrs);
- if (!ADS_ERR_OK(rc)) {
- DEBUG(1, ("ERROR: ads search returned: %s\n", ads_errstr(rc)));
- ret = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ filter = talloc_asprintf_append_buffer(filter, "))");
+ if (filter == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
- if ( (count = ads_count_replies(ctx->ads, res)) == 0 ) {
- DEBUG(10, ("No IDs found\n"));
+ DBG_DEBUG("Filter: [%s]\n", filter);
+
+ rc = tldap_search(ctx->ld, ctx->default_nc, TLDAP_SCOPE_SUB, filter,
+ attrs, ARRAY_SIZE(attrs), 0, NULL, 0, NULL, 0,
+ 0, 0, 0, talloc_tos(), &msgs);
+ if (!TLDAP_RC_IS_SUCCESS(rc)) {
+ return NT_STATUS_LDAP(TLDAP_RC_V(rc));
}
- entry = res;
- for (i = 0; (i < count) && entry; i++) {
+ TALLOC_FREE(filter);
+
+ num_msgs = talloc_array_length(msgs);
+
+ for (i=0; i<num_msgs; i++) {
+ struct tldap_message *msg = msgs[i];
+ char *dn;
+ struct id_map *map;
struct dom_sid sid;
+ size_t j;
+ bool ok;
+ uint64_t account_type, xid;
enum id_type type;
- struct id_map *map;
- uint32_t id;
- uint32_t atype;
- if (i == 0) { /* first entry */
- entry = ads_first_entry(ctx->ads, entry);
- } else { /* following ones */
- entry = ads_next_entry(ctx->ads, entry);
+ if (tldap_msg_type(msg) != TLDAP_RES_SEARCH_ENTRY) {
+ continue;
}
- if ( !entry ) {
- DEBUG(2, ("ERROR: Unable to fetch ldap entries from results\n"));
- break;
+ ok = tldap_entry_dn(msg, &dn);
+ if (!ok) {
+ DBG_DEBUG("No dn found in msg %zu\n", i);
+ continue;
}
- /* first check if the SID is present */
- if (!ads_pull_sid(ctx->ads, entry, "objectSid", &sid)) {
- DEBUG(2, ("Could not retrieve SID from entry\n"));
+ ok = tldap_pull_binsid(msg, "objectSid", &sid);
+ if (!ok) {
+ DBG_DEBUG("No objectSid in object %s\n", dn);
continue;
}
- map = idmap_find_map_by_sid(&ids[bidx], &sid);
- if (!map) {
- DEBUG(2, ("WARNING: couldn't match result with requested SID\n"));
+ map = NULL;
+ for (j=0; ids[j]; j++) {
+ if (dom_sid_equal(&sid, ids[j]->sid)) {
+ map = ids[j];
+ break;
+ }
+ }
+ if (map == NULL) {
+ DBG_DEBUG("Got unexpected sid %s from object %s\n",
+ sid_string_tos(&sid), dn);
continue;
}
- /* get type */
- if (!ads_pull_uint32(ctx->ads, entry, "sAMAccountType", &atype)) {
- DEBUG(1, ("could not get SAM account type\n"));
+ ok = tldap_pull_uint64(msg, "sAMAccountType", &account_type);
+ if (!ok) {
+ DBG_DEBUG("No sAMAccountType in %s\n", dn);
continue;
}
- switch (atype & 0xF0000000) {
+ switch (account_type & 0xF0000000) {
case ATYPE_SECURITY_GLOBAL_GROUP:
case ATYPE_SECURITY_LOCAL_GROUP:
type = ID_TYPE_GID;
type = ID_TYPE_UID;
break;
default:
- DEBUG(1, ("unrecognized SAM account type %08x\n", atype));
+ DBG_WARNING("unrecognized SAM account type %"PRIu64"\n",
+ account_type);
continue;
}
- if (!ads_pull_uint32(ctx->ads, entry, (type==ID_TYPE_UID) ?
- ctx->ad_schema->posix_uidnumber_attr :
- ctx->ad_schema->posix_gidnumber_attr,
- &id))
- {
- DEBUG(1, ("Could not get unix ID for SID %s\n",
- sid_string_dbg(map->sid)));
- continue;
- }
- if (!idmap_unix_id_is_in_range(id, dom)) {
- DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
- id, dom->low_id, dom->high_id));
+ ok = tldap_pull_uint64(msg,
+ type == ID_TYPE_UID ?
+ ctx->schema->uid : ctx->schema->gid,
+ &xid);
+ if (!ok) {
+ DBG_DEBUG("No xid in %s\n", dn);
continue;
}
/* mapped */
map->xid.type = type;
- map->xid.id = id;
+ map->xid.id = xid;
map->status = ID_MAPPED;
DEBUG(10, ("Mapped %s -> %lu (%d)\n", sid_string_dbg(map->sid),
- (unsigned long)map->xid.id,
- map->xid.type));
+ (unsigned long)map->xid.id, map->xid.type));
}
- if (res) {
- ads_msgfree(ctx->ads, res);
- }
+ TALLOC_FREE(msgs);
- if (ids[idx]) { /* still some values to map */
- goto again;
- }
+ return NT_STATUS_OK;
+}
- ret = NT_STATUS_OK;
+static NTSTATUS idmap_ad_unixids_to_sids_retry(struct idmap_domain *dom,
+ struct id_map **ids)
+{
+ const NTSTATUS status_server_down =
+ NT_STATUS_LDAP(TLDAP_RC_V(TLDAP_SERVER_DOWN));
+ NTSTATUS status;
+
+ status = idmap_ad_unixids_to_sids(dom, ids);
- /* mark all unknown/expired ones as unmapped */
- for (i = 0; ids[i]; i++) {
- if (ids[i]->status != ID_MAPPED)
- ids[i]->status = ID_UNMAPPED;
+ if (NT_STATUS_EQUAL(status, status_server_down)) {
+ TALLOC_FREE(dom->private_data);
+ status = idmap_ad_unixids_to_sids(dom, ids);
}
-done:
- talloc_free(memctx);
- return ret;
+ return status;
}
-/************************************************************************
- Function dispatch tables for the idmap and nss plugins
- ***********************************************************************/
+static NTSTATUS idmap_ad_sids_to_unixids_retry(struct idmap_domain *dom,
+ struct id_map **ids)
+{
+ const NTSTATUS status_server_down =
+ NT_STATUS_LDAP(TLDAP_RC_V(TLDAP_SERVER_DOWN));
+ NTSTATUS status;
+
+ status = idmap_ad_sids_to_unixids(dom, ids);
+
+ if (NT_STATUS_EQUAL(status, status_server_down)) {
+ TALLOC_FREE(dom->private_data);
+ status = idmap_ad_sids_to_unixids(dom, ids);
+ }
+
+ return status;
+}
static struct idmap_methods ad_methods = {
.init = idmap_ad_initialize,
- .unixids_to_sids = idmap_ad_unixids_to_sids,
- .sids_to_unixids = idmap_ad_sids_to_unixids,
+ .unixids_to_sids = idmap_ad_unixids_to_sids_retry,
+ .sids_to_unixids = idmap_ad_sids_to_unixids_retry,
};
-/************************************************************************
- Initialize the plugins
- ***********************************************************************/
-
static_decl_idmap;
NTSTATUS idmap_ad_init(void)
{
- static NTSTATUS status_idmap_ad = NT_STATUS_UNSUCCESSFUL;
- static NTSTATUS status_ad_nss = NT_STATUS_UNSUCCESSFUL;
-
- /* Always register the AD method first in order to get the
- idmap_domain interface called */
+ NTSTATUS status;
- if ( !NT_STATUS_IS_OK(status_idmap_ad) ) {
- status_idmap_ad = smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION,
- "ad", &ad_methods);
- if ( !NT_STATUS_IS_OK(status_idmap_ad) )
- return status_idmap_ad;
+ status = smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION,
+ "ad", &ad_methods);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
- if ( !NT_STATUS_IS_OK( status_ad_nss ) ) {
- status_ad_nss = idmap_ad_nss_init();
- if ( !NT_STATUS_IS_OK(status_ad_nss) )
- return status_ad_nss;
+ status = idmap_ad_nss_init();
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
- return NT_STATUS_OK;
+ return NT_STATUS_OK;
}
git.samba.org / sfrench / samba-autobuild / .git / commitdiff