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-rw-r--r--src/providers/ldap/ldap_id.c31
-rw-r--r--src/providers/ldap/sdap_async_groups.c123
2 files changed, 125 insertions, 29 deletions
diff --git a/src/providers/ldap/ldap_id.c b/src/providers/ldap/ldap_id.c
index a210a472..98f99019 100644
--- a/src/providers/ldap/ldap_id.c
+++ b/src/providers/ldap/ldap_id.c
@@ -335,6 +335,7 @@ struct tevent_req *groups_get_send(TALLOC_CTX *memctx,
const char *attr_name;
char *clean_name;
int ret;
+ bool use_id_mapping = dp_opt_get_bool(ctx->opts->basic, SDAP_ID_MAPPING);
req = tevent_req_create(memctx, &state, struct groups_get_state);
if (!req) return NULL;
@@ -367,18 +368,26 @@ struct tevent_req *groups_get_send(TALLOC_CTX *memctx,
goto fail;
}
- ret = sss_filter_sanitize(state, name, &clean_name);
- if (ret != EOK) {
- goto fail;
- }
- state->filter = talloc_asprintf(state,
- "(&(%s=%s)(objectclass=%s)(%s=*)(&(%s=*)(!(%s=0))))",
- attr_name, clean_name,
- ctx->opts->group_map[SDAP_OC_GROUP].name,
- ctx->opts->group_map[SDAP_AT_GROUP_NAME].name,
- ctx->opts->group_map[SDAP_AT_GROUP_GID].name,
- ctx->opts->group_map[SDAP_AT_GROUP_GID].name);
+ if (use_id_mapping) {
+ /* When mapping IDs, we don't want to limit ourselves
+ * to groups with a GID value
+ */
+
+ state->filter = talloc_asprintf(state,
+ "(&(%s=%s)(objectclass=%s)(%s=*))",
+ attr_name, clean_name,
+ ctx->opts->group_map[SDAP_OC_GROUP].name,
+ ctx->opts->group_map[SDAP_AT_GROUP_NAME].name);
+ } else {
+ state->filter = talloc_asprintf(state,
+ "(&(%s=%s)(objectclass=%s)(%s=*)(&(%s=*)(!(%s=0))))",
+ attr_name, clean_name,
+ ctx->opts->group_map[SDAP_OC_GROUP].name,
+ ctx->opts->group_map[SDAP_AT_GROUP_NAME].name,
+ ctx->opts->group_map[SDAP_AT_GROUP_GID].name,
+ ctx->opts->group_map[SDAP_AT_GROUP_GID].name);
+ }
talloc_zfree(clean_name);
if (!state->filter) {
DEBUG(2, ("Failed to build filter\n"));
diff --git a/src/providers/ldap/sdap_async_groups.c b/src/providers/ldap/sdap_async_groups.c
index d6877a37..89882be0 100644
--- a/src/providers/ldap/sdap_async_groups.c
+++ b/src/providers/ldap/sdap_async_groups.c
@@ -25,6 +25,7 @@
#include "db/sysdb.h"
#include "providers/ldap/sdap_async_private.h"
#include "providers/ldap/ldap_common.h"
+#include "providers/ldap/sdap_idmap.h"
/* ==Group-Parsing Routines=============================================== */
@@ -196,6 +197,11 @@ static int sdap_save_group(TALLOC_CTX *memctx,
char *usn_value = NULL;
TALLOC_CTX *tmpctx = NULL;
bool posix_group;
+ bool use_id_mapping = dp_opt_get_bool(opts->basic, SDAP_ID_MAPPING);
+ struct dom_sid *dom_sid;
+ char *sid_str;
+ char *dom_sid_str;
+ enum idmap_error_code err;
tmpctx = talloc_new(memctx);
if (!tmpctx) {
@@ -217,27 +223,108 @@ static int sdap_save_group(TALLOC_CTX *memctx,
goto fail;
}
- ret = sysdb_attrs_get_bool(attrs, SYSDB_POSIX, &posix_group);
- if (ret == ENOENT) {
+ if (use_id_mapping) {
posix_group = true;
- } else if (ret != EOK) {
- goto fail;
- }
- DEBUG(8, ("This is%s a posix group\n", (posix_group)?"":" not"));
- ret = sysdb_attrs_add_bool(group_attrs, SYSDB_POSIX, posix_group);
- if (ret != EOK) {
- goto fail;
- }
+ DEBUG(SSSDBG_TRACE_LIBS,
+ ("Mapping group [%s] objectSID to unix ID\n", name));
+
+ ret = sysdb_attrs_get_el(attrs,
+ opts->group_map[SDAP_AT_GROUP_OBJECTSID].sys_name,
+ &el);
+ if (ret != EOK || el->num_values != 1) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("No [%s] attribute for group [%s] while id-mapping\n",
+ opts->group_map[SDAP_AT_GROUP_OBJECTSID].name,
+ name));
+ goto fail;
+ }
- ret = sysdb_attrs_get_uint32_t(attrs,
- opts->group_map[SDAP_AT_GROUP_GID].sys_name,
- &gid);
- if (ret != EOK) {
- DEBUG(1, ("no gid provided for [%s] in domain [%s].\n",
- name, dom->name));
- ret = EINVAL;
- goto fail;
+ ret = binary_to_dom_sid(tmpctx,
+ el->values[0].data,
+ el->values[0].length,
+ &dom_sid);
+ if (ret != EOK) goto fail;
+
+ ret = dom_sid_to_string(tmpctx, dom_sid, &sid_str);
+ talloc_zfree(dom_sid);
+ if (ret != EOK) goto fail;
+
+ /* Add string representation to the cache for easier
+ * debugging
+ */
+ ret = sysdb_attrs_add_string(group_attrs, SYSDB_SID_STR, sid_str);
+ if (ret != EOK) goto fail;
+
+ /* Convert the SID into a UNIX group ID */
+ err = sss_idmap_sid_to_unix(opts->idmap_ctx->map,
+ sid_str,
+ (uint32_t *)&gid);
+ if (err != IDMAP_SUCCESS && err != IDMAP_NO_DOMAIN) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Could not convert objectSID [%s] to a UNIX ID\n",
+ sid_str));
+ ret = EIO;
+ goto fail;
+ } else if (err == IDMAP_NO_DOMAIN) {
+ /* This is the first time we've seen this domain
+ * Create a new domain for it. We'll use the dom-sid
+ * as the domain name for now, since we don't have
+ * any way to get the real name.
+ */
+ ret = sdap_idmap_get_dom_sid_from_object(tmpctx, sid_str,
+ &dom_sid_str);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Could not parse domain SID from [%s]\n", sid_str));
+ goto fail;
+ }
+
+ ret = sdap_idmap_add_domain(opts->idmap_ctx,
+ dom_sid_str, dom_sid_str,
+ -1);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Could not add new domain for sid [%s]\n", sid_str));
+ goto fail;
+ }
+
+ /* Now try converting to a UNIX ID again */
+ err = sss_idmap_sid_to_unix(opts->idmap_ctx->map,
+ sid_str,
+ (uint32_t *)&gid);
+ if (err != IDMAP_SUCCESS) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Could not convert objectSID [%s] to a UNIX ID\n",
+ sid_str));
+ ret = EIO;
+ goto fail;
+ }
+ }
+
+ } else {
+ ret = sysdb_attrs_get_bool(attrs, SYSDB_POSIX, &posix_group);
+ if (ret == ENOENT) {
+ posix_group = true;
+ } else if (ret != EOK) {
+ goto fail;
+ }
+
+ DEBUG(8, ("This is%s a posix group\n", (posix_group)?"":" not"));
+ ret = sysdb_attrs_add_bool(group_attrs, SYSDB_POSIX, posix_group);
+ if (ret != EOK) {
+ goto fail;
+ }
+
+ ret = sysdb_attrs_get_uint32_t(attrs,
+ opts->group_map[SDAP_AT_GROUP_GID].sys_name,
+ &gid);
+ if (ret != EOK) {
+ DEBUG(1, ("no gid provided for [%s] in domain [%s].\n",
+ name, dom->name));
+ ret = EINVAL;
+ goto fail;
+ }
}
/* check that the gid is valid for this domain */
generated by cgit (git 2.34.1) at 2024-11-19 17:43:37 +0000