IPA: Download defaults even if there are no SELinux mappings

We should always download the defaults because even if there are no
rules, we might want to use (or update) the defaults.

1 files changed, 59 insertions, 60 deletions

diff --git a/src/providers/ipa/ipa_session.c b/src/providers/ipa/ipa_session.c
index 12e80729..385b0090 100644
--- a/src/providers/ipa/ipa_session.c
+++ b/src/providers/ipa/ipa_session.c
@@ -65,9 +65,10 @@ static errno_t ipa_get_selinux_recv(struct tevent_req *req,
 
 static void ipa_get_selinux_connect_done(struct tevent_req *subreq);
 static void ipa_get_selinux_hosts_done(struct tevent_req *subreq);
+static void ipa_get_config_step(struct tevent_req *req);
+static void ipa_get_selinux_config_done(struct tevent_req *subreq);
 static void ipa_get_selinux_maps_done(struct tevent_req *subreq);
 static void ipa_get_selinux_hbac_done(struct tevent_req *subreq);
-static void ipa_get_selinux_config_done(struct tevent_req *subreq);
 
 void ipa_session_handler(struct be_req *be_req)
 {
@@ -246,6 +247,7 @@ static void ipa_get_selinux_connect_done(struct tevent_req *subreq)
 
     /* FIXME: detect if HBAC is configured
      * - if yes, we can skip host retrieval and get it directly from sysdb
+     *   and shortcut to ipa_get_config_step()
      */
     subreq = ipa_host_info_send(state, bctx->ev, bctx->sysdb,
                                 sdap_id_op_handle(state->op),
@@ -275,7 +277,6 @@ static void ipa_get_selinux_hosts_done(struct tevent_req *subreq)
     struct ipa_get_selinux_state *state = tevent_req_data(req,
                                                   struct ipa_get_selinux_state);
     struct be_ctx *bctx = state->be_req->be_ctx;
-    struct sdap_id_ctx *id_ctx = state->session_ctx->id_ctx->sdap_id_ctx;
     size_t host_count, hostgroup_count;
     struct sysdb_attrs **hostgroups;
     struct sysdb_attrs **host;
@@ -294,21 +295,69 @@ static void ipa_get_selinux_hosts_done(struct tevent_req *subreq)
         goto done;
     }
 
-    subreq = ipa_selinux_get_maps_send(state, bctx->ev, bctx->sysdb,
-                                       sdap_id_op_handle(state->op),
-                                       id_ctx->opts,
-                                       state->session_ctx->id_ctx->ipa_options,
-                                       state->session_ctx->selinux_search_bases);
+    return ipa_get_config_step(req);
+
+done:
+    if (ret != EOK) {
+        tevent_req_error(req, ret);
+    }
+}
+
+static void ipa_get_config_step(struct tevent_req *req)
+{
+    const char *domain;
+    struct tevent_req *subreq;
+    struct ipa_get_selinux_state *state = tevent_req_data(req,
+                                                  struct ipa_get_selinux_state);
+    struct be_ctx *bctx = state->be_req->be_ctx;
+    struct ipa_id_ctx *id_ctx = state->session_ctx->id_ctx;
+
+    domain = dp_opt_get_string(state->session_ctx->id_ctx->ipa_options->basic,
+                               IPA_KRB5_REALM);
+    subreq = ipa_get_config_send(state, bctx->ev,
+                                 sdap_id_op_handle(state->op),
+                                 id_ctx->sdap_id_ctx->opts,
+                                 domain, NULL);
     if (subreq == NULL) {
-        ret = ENOMEM;
+        tevent_req_error(req, ENOMEM);
+    }
+    tevent_req_set_callback(subreq, ipa_get_selinux_config_done, req);
+}
+
+static void ipa_get_selinux_config_done(struct tevent_req *subreq)
+{
+    struct tevent_req *req = tevent_req_callback_data(subreq,
+                                                  struct tevent_req);
+    struct ipa_get_selinux_state *state = tevent_req_data(req,
+                                                  struct ipa_get_selinux_state);
+    struct be_ctx *bctx = state->be_req->be_ctx;
+    struct sdap_id_ctx *id_ctx = state->session_ctx->id_ctx->sdap_id_ctx;
+    errno_t ret;
+
+    ret = ipa_get_config_recv(subreq, state, &state->defaults);
+    talloc_free(subreq);
+    if (ret != EOK) {
+        DEBUG(SSSDBG_OP_FAILURE, ("Could not get IPA config\n"));
         goto done;
     }
 
+    subreq = ipa_selinux_get_maps_send(state, bctx->ev, bctx->sysdb,
+                                     sdap_id_op_handle(state->op),
+                                     id_ctx->opts,
+                                     state->session_ctx->id_ctx->ipa_options,
+                                     state->session_ctx->selinux_search_bases);
+    if (!subreq) {
+        ret = ENOMEM;
+        goto done;
+    }
     tevent_req_set_callback(subreq, ipa_get_selinux_maps_done, req);
+    return;
 
 done:
     if (ret != EOK) {
         tevent_req_error(req, ret);
+    } else {
+        tevent_req_done(req);
     }
 }
 
@@ -322,7 +371,6 @@ static void ipa_get_selinux_maps_done(struct tevent_req *subreq)
 
     struct sysdb_attrs **results;
     size_t count;
-    const char *domain;
     const char *tmp_str;
     size_t conf_cnt = 0;
     size_t pos_cnt = 0;
@@ -417,21 +465,7 @@ static void ipa_get_selinux_maps_done(struct tevent_req *subreq)
         return;
     }
 
-    domain = dp_opt_get_string(state->session_ctx->id_ctx->ipa_options->basic,
-                               IPA_KRB5_REALM);
-    subreq = ipa_get_config_send(state, bctx->ev,
-                                 sdap_id_op_handle(state->op),
-                                 id_ctx->sdap_id_ctx->opts,
-                                 domain, NULL);
-    if (subreq == NULL) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    tevent_req_set_callback(subreq, ipa_get_selinux_config_done, req);
-
-    return;
-
+    ret = EOK;
 done:
     if (ret == EOK) {
         tevent_req_done(req);
@@ -446,13 +480,10 @@ static void ipa_get_selinux_hbac_done(struct tevent_req *subreq)
                                                       struct tevent_req);
     struct ipa_get_selinux_state *state = tevent_req_data(req,
                                                   struct ipa_get_selinux_state);
-    struct be_ctx *bctx = state->be_req->be_ctx;
-    struct ipa_id_ctx *id_ctx = state->session_ctx->id_ctx;
     struct sysdb_attrs **rules;
     struct sysdb_attrs *usermap;
     const char *hbac_dn;
     const char *seealso_dn;
-    const char *domain;
     size_t rule_count;
     size_t conf_cnt;
     size_t pos_cnt;
@@ -534,39 +565,7 @@ static void ipa_get_selinux_hbac_done(struct tevent_req *subreq)
     /* Now we can dispose all possible rules, since they aren't possible any more */
     talloc_zfree(state->possible_match);
 
-    domain = dp_opt_get_string(state->session_ctx->id_ctx->ipa_options->basic,
-                               IPA_KRB5_REALM);
-    subreq = ipa_get_config_send(state, bctx->ev,
-                                 sdap_id_op_handle(state->op),
-                                 id_ctx->sdap_id_ctx->opts,
-                                 domain, NULL);
-    if (subreq == NULL) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    tevent_req_set_callback(subreq, ipa_get_selinux_config_done, req);
-
-done:
-    if (ret != EOK) {
-        tevent_req_error(req, ret);
-    }
-}
-
-static void ipa_get_selinux_config_done(struct tevent_req *subreq)
-{
-    struct tevent_req *req = tevent_req_callback_data(subreq,
-                                                  struct tevent_req);
-    struct ipa_get_selinux_state *state = tevent_req_data(req,
-                                                  struct ipa_get_selinux_state);
-    errno_t ret;
-
-    ret = ipa_get_config_recv(subreq, state, &state->defaults);
-    talloc_free(subreq);
-    if (ret != EOK) {
-        goto done;
-    }
-
+    ret = EOK;
 done:
     if (ret != EOK) {
         tevent_req_error(req, ret);