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authorStephen Gallagher <sgallagh@redhat.com>2012-05-02 19:51:27 -0400
committerStephen Gallagher <sgallagh@redhat.com>2012-05-03 14:09:15 -0400
commitaef21bb77289a61796436eff7a08f64480f813ce (patch)
tree64987d3749b7b60a89e23b33712fd548efbbd6f1 /src
parenta23919ed39d212f9f5694d9b103c84641fdb7680 (diff)
downloadsssd-aef21bb77289a61796436eff7a08f64480f813ce.tar.gz
sssd-aef21bb77289a61796436eff7a08f64480f813ce.tar.xz
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LDAP: Add support for enumeration of ID-mapped users and groups
Diffstat (limited to 'src')
-rw-r--r--src/providers/ldap/ldap_id_enum.c133
1 files changed, 102 insertions, 31 deletions
diff --git a/src/providers/ldap/ldap_id_enum.c b/src/providers/ldap/ldap_id_enum.c
index 3679a7d7f..ef8f69133 100644
--- a/src/providers/ldap/ldap_id_enum.c
+++ b/src/providers/ldap/ldap_id_enum.c
@@ -484,6 +484,7 @@ static struct tevent_req *enum_users_send(TALLOC_CTX *memctx,
struct tevent_req *req, *subreq;
struct enum_users_state *state;
int ret;
+ bool use_mapping;
req = tevent_req_create(memctx, &state, struct enum_users_state);
if (!req) return NULL;
@@ -492,27 +493,63 @@ static struct tevent_req *enum_users_send(TALLOC_CTX *memctx,
state->ctx = ctx;
state->op = op;
- if (ctx->srv_opts && ctx->srv_opts->max_user_value && !purge) {
- state->filter = talloc_asprintf(
- state,
- "(&(objectclass=%s)(%s=*)(%s=*)(%s=*)(%s>=%s)(!(%s=%s)))",
- ctx->opts->user_map[SDAP_OC_USER].name,
- ctx->opts->user_map[SDAP_AT_USER_NAME].name,
+ use_mapping = dp_opt_get_bool(ctx->opts->basic, SDAP_ID_MAPPING);
+
+ /* We always want to filter on objectclass and an available name */
+ state->filter = talloc_asprintf(state,
+ "(&(objectclass=%s)(%s=*)",
+ ctx->opts->user_map[SDAP_OC_USER].name,
+ ctx->opts->user_map[SDAP_AT_USER_NAME].name);
+ if (!state->filter) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Failed to build base filter\n"));
+ ret = ENOMEM;
+ goto fail;
+ }
+
+ if (use_mapping) {
+ /* If we're ID-mapping, check for the objectSID as well */
+ state->filter = talloc_asprintf_append_buffer(
+ state->filter, "(%s=*)",
+ ctx->opts->user_map[SDAP_AT_USER_OBJECTSID].name);
+ } else {
+ /* We're not ID-mapping, so make sure to only get entries
+ * that have UID and GID
+ */
+ state->filter = talloc_asprintf_append_buffer(
+ state->filter, "(%s=*)(%s=*)",
ctx->opts->user_map[SDAP_AT_USER_UID].name,
- ctx->opts->user_map[SDAP_AT_USER_GID].name,
+ ctx->opts->user_map[SDAP_AT_USER_GID].name);
+ }
+ if (!state->filter) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Failed to build base filter\n"));
+ ret = ENOMEM;
+ goto fail;
+ }
+
+ if (ctx->srv_opts && ctx->srv_opts->max_user_value && !purge) {
+ /* If we have lastUSN available and we're not doing a full
+ * refresh, limit to changes with a higher entryUSN value.
+ */
+ state->filter = talloc_asprintf_append_buffer(
+ state->filter,
+ "(%s>=%s)(!(%s=%s))",
ctx->opts->user_map[SDAP_AT_USER_USN].name,
ctx->srv_opts->max_user_value,
ctx->opts->user_map[SDAP_AT_USER_USN].name,
ctx->srv_opts->max_user_value);
- } else {
- state->filter = talloc_asprintf(
- state,
- "(&(objectclass=%s)(%s=*)(%s=*)(%s=*))",
- ctx->opts->user_map[SDAP_OC_USER].name,
- ctx->opts->user_map[SDAP_AT_USER_NAME].name,
- ctx->opts->user_map[SDAP_AT_USER_UID].name,
- ctx->opts->user_map[SDAP_AT_USER_GID].name);
+
+ if (!state->filter) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Failed to build base filter\n"));
+ ret = ENOMEM;
+ goto fail;
+ }
}
+
+ /* Terminate the search filter */
+ state->filter = talloc_asprintf_append_buffer(state->filter, ")");
if (!state->filter) {
DEBUG(2, ("Failed to build base filter\n"));
ret = ENOMEM;
@@ -609,6 +646,7 @@ static struct tevent_req *enum_groups_send(TALLOC_CTX *memctx,
struct tevent_req *req, *subreq;
struct enum_groups_state *state;
int ret;
+ bool use_mapping;
req = tevent_req_create(memctx, &state, struct enum_groups_state);
if (!req) return NULL;
@@ -617,29 +655,62 @@ static struct tevent_req *enum_groups_send(TALLOC_CTX *memctx,
state->ctx = ctx;
state->op = op;
- if (ctx->srv_opts && ctx->srv_opts->max_group_value && !purge) {
- state->filter = talloc_asprintf(
- state,
- "(&(objectclass=%s)(%s=*)(&(%s=*)(!(%s=0)))(%s>=%s)(!(%s=%s)))",
- 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,
+ use_mapping = dp_opt_get_bool(ctx->opts->basic, SDAP_ID_MAPPING);
+
+ /* We always want to filter on objectclass and an available name */
+ state->filter = talloc_asprintf(state,
+ "(&(objectclass=%s)(%s=*)",
+ ctx->opts->group_map[SDAP_OC_GROUP].name,
+ ctx->opts->group_map[SDAP_AT_GROUP_NAME].name);
+ if (!state->filter) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Failed to build base filter\n"));
+ ret = ENOMEM;
+ goto fail;
+ }
+
+ if (use_mapping) {
+ /* If we're ID-mapping, check for the objectSID as well */
+ state->filter = talloc_asprintf_append_buffer(
+ state->filter, "(%s=*)",
+ ctx->opts->group_map[SDAP_AT_GROUP_OBJECTSID].name);
+ } else {
+ /* We're not ID-mapping, so make sure to only get entries
+ * that have a non-zero GID.
+ */
+ state->filter = talloc_asprintf_append_buffer(
+ state->filter, "(&(%s=*)(!(%s=0)))",
ctx->opts->group_map[SDAP_AT_GROUP_GID].name,
+ ctx->opts->group_map[SDAP_AT_GROUP_GID].name);
+ }
+ if (!state->filter) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Failed to build base filter\n"));
+ ret = ENOMEM;
+ goto fail;
+ }
+
+ if (ctx->srv_opts && ctx->srv_opts->max_group_value && !purge) {
+ state->filter = talloc_asprintf_append_buffer(
+ state->filter,
+ "(%s>=%s)(!(%s=%s))",
ctx->opts->group_map[SDAP_AT_GROUP_USN].name,
ctx->srv_opts->max_group_value,
ctx->opts->group_map[SDAP_AT_GROUP_USN].name,
ctx->srv_opts->max_group_value);
- } else {
- state->filter = talloc_asprintf(
- state,
- "(&(objectclass=%s)(%s=*)(&(%s=*)(!(%s=0))))",
- 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 (!state->filter) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Failed to build base filter\n"));
+ ret = ENOMEM;
+ goto fail;
+ }
}
+
+ /* Terminate the search filter */
+ state->filter = talloc_asprintf_append_buffer(state->filter, ")");
if (!state->filter) {
- DEBUG(2, ("Failed to build filter\n"));
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("Failed to build base filter\n"));
ret = ENOMEM;
goto fail;
}