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-rw-r--r--src/providers/ldap/ldap_id.c39
-rw-r--r--src/providers/ldap/ldap_opts.h1
-rw-r--r--src/providers/ldap/sdap.h1
-rw-r--r--src/providers/ldap/sdap_async_initgroups.c17
-rw-r--r--src/providers/ldap/sdap_async_private.h10
-rw-r--r--src/providers/ldap/sdap_async_users.c91
-rw-r--r--src/providers/ldap/sdap_users.h43
7 files changed, 191 insertions, 11 deletions
diff --git a/src/providers/ldap/ldap_id.c b/src/providers/ldap/ldap_id.c
index b8520df83..d8dc3b299 100644
--- a/src/providers/ldap/ldap_id.c
+++ b/src/providers/ldap/ldap_id.c
@@ -32,6 +32,7 @@
#include "providers/ldap/ldap_common.h"
#include "providers/ldap/sdap_async.h"
#include "providers/ldap/sdap_idmap.h"
+#include "providers/ldap/sdap_users.h"
/* =Users-Related-Functions-(by-name,by-uid)============================== */
@@ -244,6 +245,44 @@ static void users_get_done(struct tevent_req *subreq)
return;
}
+ if ((ret == ENOENT) &&
+ (state->ctx->opts->schema_type == SDAP_SCHEMA_RFC2307) &&
+ (dp_opt_get_bool(state->ctx->opts->basic,
+ SDAP_RFC2307_FALLBACK_TO_LOCAL_USERS) == true)) {
+ struct sysdb_attrs **usr_attrs;
+ const char *name = NULL;
+ bool fallback;
+
+ switch (state->filter_type) {
+ case BE_FILTER_NAME:
+ name = state->name;
+ uid = -1;
+ fallback = true;
+ break;
+ case BE_FILTER_IDNUM:
+ uid = (uid_t) strtouint32(state->name, &endptr, 10);
+ if (errno || *endptr || (state->name == endptr)) {
+ tevent_req_error(req, errno ? errno : EINVAL);
+ return;
+ }
+ fallback = true;
+ break;
+ default:
+ fallback = false;
+ break;
+ }
+
+ if (fallback) {
+ ret = sdap_fallback_local_user(state, state->ctx->opts,
+ name, uid, &usr_attrs);
+ if (ret == EOK) {
+ ret = sdap_save_user(state, state->sysdb,
+ state->ctx->opts, state->domain,
+ usr_attrs[0], false, NULL, 0);
+ }
+ }
+ }
+
if (ret && ret != ENOENT) {
state->dp_error = dp_error;
tevent_req_error(req, ret);
diff --git a/src/providers/ldap/ldap_opts.h b/src/providers/ldap/ldap_opts.h
index 5a941a4c6..2ed89f977 100644
--- a/src/providers/ldap/ldap_opts.h
+++ b/src/providers/ldap/ldap_opts.h
@@ -112,6 +112,7 @@ struct dp_option default_basic_opts[] = {
{ "ldap_idmap_default_domain_sid", DP_OPT_STRING, NULL_STRING, NULL_STRING },
{ "ldap_groups_use_matching_rule_in_chain", DP_OPT_BOOL, BOOL_FALSE, BOOL_FALSE },
{ "ldap_initgroups_use_matching_rule_in_chain", DP_OPT_BOOL, BOOL_FALSE, BOOL_FALSE },
+ { "ldap_rfc2307_fallback_to_local_users", DP_OPT_BOOL, BOOL_FALSE, BOOL_FALSE },
DP_OPTION_TERMINATOR
};
diff --git a/src/providers/ldap/sdap.h b/src/providers/ldap/sdap.h
index d14365799..5bbf27594 100644
--- a/src/providers/ldap/sdap.h
+++ b/src/providers/ldap/sdap.h
@@ -228,6 +228,7 @@ enum sdap_basic_opt {
SDAP_IDMAP_DEFAULT_DOMAIN_SID,
SDAP_AD_MATCHING_RULE_GROUPS,
SDAP_AD_MATCHING_RULE_INITGROUPS,
+ SDAP_RFC2307_FALLBACK_TO_LOCAL_USERS,
SDAP_OPTS_BASIC /* opts counter */
};
diff --git a/src/providers/ldap/sdap_async_initgroups.c b/src/providers/ldap/sdap_async_initgroups.c
index e9d1f3cc9..57ad0e578 100644
--- a/src/providers/ldap/sdap_async_initgroups.c
+++ b/src/providers/ldap/sdap_async_initgroups.c
@@ -26,6 +26,7 @@
#include "providers/ldap/sdap_async_private.h"
#include "providers/ldap/ldap_common.h"
#include "providers/ldap/sdap_idmap.h"
+#include "providers/ldap/sdap_users.h"
/* ==Save-fake-group-list=====================================*/
static errno_t sdap_add_incomplete_groups(struct sysdb_ctx *sysdb,
@@ -2656,8 +2657,20 @@ static void sdap_get_initgr_user(struct tevent_req *subreq)
return;
}
- tevent_req_error(req, ENOENT);
- return;
+ /* fallback to fetch a local user if required */
+ if ((state->opts->schema_type == SDAP_SCHEMA_RFC2307) &&
+ (dp_opt_get_bool(state->opts->basic,
+ SDAP_RFC2307_FALLBACK_TO_LOCAL_USERS) == true)) {
+ ret = sdap_fallback_local_user(state, state->opts,
+ state->name, -1, &usr_attrs);
+ } else {
+ ret = ENOENT;
+ }
+
+ if (ret != EOK) {
+ tevent_req_error(req, ret);
+ return;
+ }
} else if (count != 1) {
DEBUG(2, ("Expected one user entry and got %d\n", count));
tevent_req_error(req, EINVAL);
diff --git a/src/providers/ldap/sdap_async_private.h b/src/providers/ldap/sdap_async_private.h
index c0faab50e..1fea5bd7b 100644
--- a/src/providers/ldap/sdap_async_private.h
+++ b/src/providers/ldap/sdap_async_private.h
@@ -89,15 +89,6 @@ int sdap_get_tgt_recv(struct tevent_req *req,
char **ccname,
time_t *expire_time_out);
-int sdap_save_user(TALLOC_CTX *memctx,
- struct sysdb_ctx *ctx,
- struct sdap_options *opts,
- struct sss_domain_info *dom,
- struct sysdb_attrs *attrs,
- bool is_initgr,
- char **_usn_value,
- time_t now);
-
int sdap_save_users(TALLOC_CTX *memctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *dom,
@@ -118,4 +109,5 @@ errno_t get_sysdb_grouplist(TALLOC_CTX *mem_ctx,
struct sysdb_ctx *sysdb,
const char *name,
char ***grouplist);
+
#endif /* _SDAP_ASYNC_PRIVATE_H_ */
diff --git a/src/providers/ldap/sdap_async_users.c b/src/providers/ldap/sdap_async_users.c
index ade1d37b5..5a2e375cb 100644
--- a/src/providers/ldap/sdap_async_users.c
+++ b/src/providers/ldap/sdap_async_users.c
@@ -26,6 +26,8 @@
#include "providers/ldap/sdap_async_private.h"
#include "providers/ldap/ldap_common.h"
#include "providers/ldap/sdap_idmap.h"
+#include "providers/ldap/sdap_users.h"
+
/* ==Save-User-Entry====================================================== */
@@ -700,3 +702,92 @@ int sdap_get_users_recv(struct tevent_req *req,
return EOK;
}
+
+/* ==Fetch-Fallback-local-user============================================ */
+
+errno_t sdap_fallback_local_user(TALLOC_CTX *memctx,
+ struct sdap_options *opts,
+ const char *name, uid_t uid,
+ struct sysdb_attrs ***reply)
+{
+ struct sysdb_attrs **ua;
+ struct sysdb_attrs *user;
+ struct passwd *pwd;
+ int ret;
+
+ if (name) {
+ pwd = getpwnam(name);
+ } else {
+ pwd = getpwuid(uid);
+ }
+
+ if (!pwd) {
+ return errno ? errno : ENOENT;
+ }
+
+ ua = talloc_array(memctx, struct sysdb_attrs *, 2);
+ if (!ua) {
+ ret = ENOMEM;
+ goto done;
+ }
+ ua[1] = NULL;
+
+ user = sysdb_new_attrs(ua);
+ if (!user) {
+ ret = ENOMEM;
+ goto done;
+ }
+ ua[0] = user;
+
+ ret = sysdb_attrs_add_string(user, SYSDB_NAME, pwd->pw_name);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ if (pwd->pw_passwd) {
+ ret = sysdb_attrs_add_string(user, SYSDB_PWD, pwd->pw_passwd);
+ if (ret != EOK) {
+ goto done;
+ }
+ }
+
+ ret = sysdb_attrs_add_long(user, SYSDB_UIDNUM, (long)pwd->pw_uid);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ ret = sysdb_attrs_add_long(user, SYSDB_GIDNUM, (long)pwd->pw_gid);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ if (pwd->pw_gecos) {
+ ret = sysdb_attrs_add_string(user, SYSDB_GECOS, pwd->pw_gecos);
+ if (ret != EOK) {
+ goto done;
+ }
+ }
+
+ if (pwd->pw_dir) {
+ ret = sysdb_attrs_add_string(user, SYSDB_HOMEDIR, pwd->pw_dir);
+ if (ret != EOK) {
+ goto done;
+ }
+ }
+
+ if (pwd->pw_shell) {
+ ret = sysdb_attrs_add_string(user, SYSDB_SHELL, pwd->pw_shell);
+ if (ret != EOK) {
+ goto done;
+ }
+ }
+
+done:
+ if (ret != EOK) {
+ talloc_free(ua);
+ } else {
+ *reply = ua;
+ }
+
+ return ret;
+}
diff --git a/src/providers/ldap/sdap_users.h b/src/providers/ldap/sdap_users.h
new file mode 100644
index 000000000..16620a9ed
--- /dev/null
+++ b/src/providers/ldap/sdap_users.h
@@ -0,0 +1,43 @@
+/*
+ SSSD
+
+ Async LDAP Helper routines
+
+ Copyright (C) Simo Sorce <ssorce@redhat.com>
+
+ 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
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SDAP_USERS_H_
+#define _SDAP_USERS_H_
+
+#include "config.h"
+
+/* shared non-async user functions */
+
+errno_t sdap_fallback_local_user(TALLOC_CTX *memctx,
+ struct sdap_options *opts,
+ const char *name, uid_t uid,
+ struct sysdb_attrs ***reply);
+
+int sdap_save_user(TALLOC_CTX *memctx,
+ struct sysdb_ctx *ctx,
+ struct sdap_options *opts,
+ struct sss_domain_info *dom,
+ struct sysdb_attrs *attrs,
+ bool is_initgr,
+ char **_usn_value,
+ time_t now);
+
+#endif /* _SDAP_USERS_H_ */
generated by cgit (git 2.34.1) at 2024-05-02 20:11:58 +0000