IFP: add org.freedesktop.sssd.infopipe.Users

Example calls:
dbus-send --print-reply --system --dest=org.freedesktop.sssd.infopipe /org/freedesktop/sssd/infopipe/Users org.freedesktop.sssd.infopipe.Users.FindByName string:user-1
method return sender=:1.159 -> dest=:1.160 reply_serial=2
   object path "/org/freedesktop/sssd/infopipe/Users/LDAP_2ePB/10001"

dbus-send --print-reply --system --dest=org.freedesktop.sssd.infopipe /org/freedesktop/sssd/infopipe/Users org.freedesktop.sssd.infopipe.Users.FindByID uint32:10001
method return sender=:1.159 -> dest=:1.163 reply_serial=2
   object path "/org/freedesktop/sssd/infopipe/Users/LDAP_2ePB/1000

Resolves:
https://fedorahosted.org/sssd/ticket/2150

Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>

1 files changed, 202 insertions, 0 deletions

diff --git a/src/responder/ifp/ifp_users.c b/src/responder/ifp/ifp_users.c
new file mode 100644
index 000000000..04fabf77b
--- /dev/null
+++ b/src/responder/ifp/ifp_users.c
@@ -0,0 +1,202 @@
+/*
+    Authors:
+        Pavel Březina <pbrezina@redhat.com>
+
+    Copyright (C) 2015 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 <string.h>
+
+#include "db/sysdb.h"
+#include "util/util.h"
+#include "sbus/sssd_dbus_errors.h"
+#include "responder/common/responder.h"
+#include "responder/common/responder_cache_req.h"
+#include "responder/ifp/ifp_users.h"
+
+char * ifp_users_build_path_from_msg(TALLOC_CTX *mem_ctx,
+                                     struct sss_domain_info *domain,
+                                     struct ldb_message *msg)
+{
+    const char *uid;
+
+    uid = ldb_msg_find_attr_as_string(msg, SYSDB_UIDNUM, NULL);
+
+    if (uid == NULL) {
+        return NULL;
+    }
+
+    return sbus_opath_compose(mem_ctx, IFP_PATH_USERS, domain->name, uid);
+}
+
+static void ifp_users_find_by_name_done(struct tevent_req *req);
+
+int ifp_users_find_by_name(struct sbus_request *sbus_req,
+                           void *data,
+                           const char *name)
+{
+    struct ifp_ctx *ctx;
+    struct tevent_req *req;
+
+    ctx = talloc_get_type(data, struct ifp_ctx);
+    if (ctx == NULL) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "Invalid pointer!\n");
+        return ERR_INTERNAL;
+    }
+
+    req = cache_req_user_by_name_send(sbus_req, ctx->rctx->ev, ctx->rctx,
+                                      ctx->ncache, ctx->neg_timeout, 0,
+                                      NULL, name);
+    if (req == NULL) {
+        return ENOMEM;
+    }
+
+    tevent_req_set_callback(req, ifp_users_find_by_name_done, sbus_req);
+
+    return EOK;
+}
+
+static void
+ifp_users_find_by_name_done(struct tevent_req *req)
+{
+    DBusError *error;
+    struct sbus_request *sbus_req;
+    struct sss_domain_info *domain;
+    struct ldb_result *result;
+    char *object_path;
+    errno_t ret;
+
+    sbus_req = tevent_req_callback_data(req, struct sbus_request);
+
+    ret = cache_req_user_by_name_recv(sbus_req, req, &result, &domain, NULL);
+    talloc_zfree(req);
+    if (ret == ENOENT) {
+        error = sbus_error_new(sbus_req, SBUS_ERROR_NOT_FOUND,
+                               "User not found");
+        goto done;
+    } else if (ret != EOK) {
+        error = sbus_error_new(sbus_req, DBUS_ERROR_FAILED, "Failed to fetch "
+                               "user [%d]: %s\n", ret, sss_strerror(ret));
+        goto done;
+    }
+
+    object_path = ifp_users_build_path_from_msg(sbus_req, domain,
+                                                result->msgs[0]);
+    if (object_path == NULL) {
+        error = sbus_error_new(sbus_req, SBUS_ERROR_INTERNAL,
+                               "Failed to compose object path");
+        goto done;
+    }
+
+    ret = EOK;
+
+done:
+    if (ret != EOK) {
+        sbus_request_fail_and_finish(sbus_req, error);
+        return;
+    }
+
+    iface_ifp_users_FindByName_finish(sbus_req, object_path);
+    return;
+}
+
+static void ifp_users_find_by_id_done(struct tevent_req *req);
+
+int ifp_users_find_by_id(struct sbus_request *sbus_req,
+                         void *data,
+                         uint32_t id)
+{
+    struct ifp_ctx *ctx;
+    struct tevent_req *req;
+
+    ctx = talloc_get_type(data, struct ifp_ctx);
+    if (ctx == NULL) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "Invalid pointer!\n");
+        return ERR_INTERNAL;
+    }
+
+    req = cache_req_user_by_id_send(sbus_req, ctx->rctx->ev, ctx->rctx,
+                                    ctx->ncache, ctx->neg_timeout, 0,
+                                    NULL, id);
+    if (req == NULL) {
+        return ENOMEM;
+    }
+
+    tevent_req_set_callback(req, ifp_users_find_by_id_done, sbus_req);
+
+    return EOK;
+}
+
+static void
+ifp_users_find_by_id_done(struct tevent_req *req)
+{
+    DBusError *error;
+    struct sbus_request *sbus_req;
+    struct sss_domain_info *domain;
+    struct ldb_result *result;
+    char *object_path;
+    errno_t ret;
+
+    sbus_req = tevent_req_callback_data(req, struct sbus_request);
+
+    ret = cache_req_user_by_id_recv(sbus_req, req, &result, &domain);
+    talloc_zfree(req);
+    if (ret == ENOENT) {
+        error = sbus_error_new(sbus_req, SBUS_ERROR_NOT_FOUND,
+                               "User not found");
+        goto done;
+    } else if (ret != EOK) {
+        error = sbus_error_new(sbus_req, DBUS_ERROR_FAILED, "Failed to fetch "
+                               "user [%d]: %s\n", ret, sss_strerror(ret));
+        goto done;
+    }
+
+    object_path = ifp_users_build_path_from_msg(sbus_req, domain,
+                                                result->msgs[0]);
+    if (object_path == NULL) {
+        error = sbus_error_new(sbus_req, SBUS_ERROR_INTERNAL,
+                               "Failed to compose object path");
+        goto done;
+    }
+
+done:
+    if (ret != EOK) {
+        sbus_request_fail_and_finish(sbus_req, error);
+        return;
+    }
+
+    iface_ifp_users_FindByID_finish(sbus_req, object_path);
+    return;
+}
+
+int ifp_users_list_by_name(struct sbus_request *sbus_req,
+                           void *data,
+                           const char *filter,
+                           uint32_t limit)
+{
+    return EOK;
+}
+
+int ifp_users_list_by_domain_and_name(struct sbus_request *sbus_req,
+                                      void *data,
+                                      const char *domain,
+                                      const char *filter,
+                                      uint32_t limit)
+{
+    return EOK;
+}