From 261bc18d8d1d2db0531395beb583da15088bd297 Mon Sep 17 00:00:00 2001
From: Pavel Březina <pbrezina@redhat.com>
Date: Fri, 19 Jul 2013 12:26:15 +0200
Subject: providers: refresh expired netgroups

https://fedorahosted.org/sssd/ticket/1713
---
 src/providers/ldap/sdap_refresh.c | 160 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 src/providers/ldap/sdap_refresh.c

(limited to 'src/providers/ldap/sdap_refresh.c')

diff --git a/src/providers/ldap/sdap_refresh.c b/src/providers/ldap/sdap_refresh.c
new file mode 100644
index 000000000..e183f7027
--- /dev/null
+++ b/src/providers/ldap/sdap_refresh.c
@@ -0,0 +1,160 @@
+/*
+    Authors:
+        Pavel B??ezina <pbrezina@redhat.com>
+
+    Copyright (C) 2013 Red Hat
+
+    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/>.
+*/
+
+#include <talloc.h>
+#include <tevent.h>
+
+#include "providers/ldap/sdap.h"
+#include "providers/ldap/ldap_common.h"
+
+struct sdap_refresh_netgroups_state {
+    struct tevent_context *ev;
+    struct sdap_id_ctx *id_ctx;
+    char **names;
+    size_t index;
+};
+
+static errno_t sdap_refresh_netgroups_step(struct tevent_req *req);
+static void sdap_refresh_netgroups_done(struct tevent_req *subreq);
+
+struct tevent_req *sdap_refresh_netgroups_send(TALLOC_CTX *mem_ctx,
+                                               struct tevent_context *ev,
+                                               struct be_ctx *be_ctx,
+                                               char **names,
+                                               void *pvt)
+{
+    struct sdap_refresh_netgroups_state *state = NULL;
+    struct tevent_req *req = NULL;
+    errno_t ret;
+
+    req = tevent_req_create(mem_ctx, &state,
+                            struct sdap_refresh_netgroups_state);
+    if (req == NULL) {
+        DEBUG(SSSDBG_CRIT_FAILURE, ("tevent_req_create() failed\n"));
+        return NULL;
+    }
+
+    state->ev = ev;
+    state->id_ctx = talloc_get_type(pvt, struct sdap_id_ctx);
+    state->names = names;
+    state->index = 0;
+
+    if (names == NULL) {
+        ret = EOK;
+        goto immediately;
+    }
+
+    ret = sdap_refresh_netgroups_step(req);
+    if (ret == EOK) {
+        DEBUG(SSSDBG_TRACE_FUNC, ("Nothing to refresh\n"));
+        goto immediately;
+    } else if (ret != EAGAIN) {
+        DEBUG(SSSDBG_CRIT_FAILURE, ("sdap_refresh_netgroups_step() failed "
+                                    "[%d]: %s\n", ret, strerror(ret)));
+        goto immediately;
+    }
+
+    return req;
+
+immediately:
+    if (ret == EOK) {
+        tevent_req_done(req);
+    } else {
+        tevent_req_error(req, ret);
+    }
+    tevent_req_post(req, ev);
+
+    return req;
+}
+
+static errno_t sdap_refresh_netgroups_step(struct tevent_req *req)
+{
+    struct sdap_refresh_netgroups_state *state = NULL;
+    struct tevent_req *subreq = NULL;
+    const char *name = NULL;
+    errno_t ret;
+
+    state = tevent_req_data(req, struct sdap_refresh_netgroups_state);
+
+    if (state->names == NULL) {
+        ret = EOK;
+        goto done;
+    }
+
+    name = state->names[state->index];
+    if (name == NULL) {
+        ret = EOK;
+        goto done;
+    }
+
+    DEBUG(SSSDBG_TRACE_FUNC, ("Issuing refresh of netgroup %s\n", name));
+
+    subreq = ldap_netgroup_get_send(state, state->ev, state->id_ctx, name);
+    if (subreq == NULL) {
+        ret = ENOMEM;
+        goto done;
+    }
+
+    tevent_req_set_callback(subreq, sdap_refresh_netgroups_done, req);
+
+    state->index++;
+    ret = EAGAIN;
+
+done:
+    return ret;
+}
+
+static void sdap_refresh_netgroups_done(struct tevent_req *subreq)
+{
+    struct tevent_req *req = NULL;
+    errno_t dp_error;
+    errno_t ret;
+
+    req = tevent_req_callback_data(subreq, struct tevent_req);
+
+    ret = ldap_netgroup_get_recv(subreq, &dp_error);
+    talloc_zfree(subreq);
+    if (ret != EOK) {
+        DEBUG(SSSDBG_CRIT_FAILURE, ("Unable to refresh netgroup [dp_error: %d, "
+              "sdap_ret: %d, errno: %d]: %s\n",
+              dp_error, ret, strerror(ret)));
+        goto done;
+    }
+
+    ret = sdap_refresh_netgroups_step(req);
+    if (ret == EAGAIN) {
+        return;
+    }
+
+done:
+    if (ret != EOK) {
+        tevent_req_error(req, ret);
+        return;
+    }
+
+    tevent_req_done(req);
+}
+
+errno_t sdap_refresh_netgroups_recv(struct tevent_req *req)
+{
+    TEVENT_REQ_RETURN_ON_ERROR(req);
+
+    return EOK;
+}
-- 
cgit