SUDO Integration - responder

1 files changed, 194 insertions, 0 deletions

diff --git a/src/responder/sudo/sudosrv.c b/src/responder/sudo/sudosrv.c
new file mode 100644
index 000000000..841be43ef
--- /dev/null
+++ b/src/responder/sudo/sudosrv.c
@@ -0,0 +1,194 @@
+/*
+    Authors:
+        Pavel Březina <pbrezina@redhat.com>
+
+    Copyright (C) 2011 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 <popt.h>
+
+#include "util/util.h"
+#include "confdb/confdb.h"
+#include "monitor/monitor_interfaces.h"
+#include "responder/common/responder.h"
+#include "responder/sudo/sudosrv_private.h"
+#include "providers/data_provider.h"
+
+struct sbus_method monitor_sudo_methods[] = {
+    { MON_CLI_METHOD_PING, monitor_common_pong },
+    { MON_CLI_METHOD_RES_INIT, monitor_common_res_init },
+    { MON_CLI_METHOD_ROTATE, responder_logrotate },
+    { NULL, NULL }
+};
+
+struct sbus_interface monitor_sudo_interface = {
+    MONITOR_INTERFACE,
+    MONITOR_PATH,
+    SBUS_DEFAULT_VTABLE,
+    monitor_sudo_methods,
+    NULL
+};
+
+static struct sbus_method sudo_dp_methods[] = {
+    { NULL, NULL }
+};
+
+struct sbus_interface sudo_dp_interface = {
+    DP_INTERFACE,
+    DP_PATH,
+    SBUS_DEFAULT_VTABLE,
+    sudo_dp_methods,
+    NULL
+};
+
+static void sudo_dp_reconnect_init(struct sbus_connection *conn,
+                                   int status,
+                                   void *pvt)
+{
+    struct be_conn *be_conn = talloc_get_type(pvt, struct be_conn);
+    int ret;
+
+    /* Did we reconnect successfully? */
+    if (status == SBUS_RECONNECT_SUCCESS) {
+        DEBUG(SSSDBG_TRACE_FUNC, ("Reconnected to the Data Provider.\n"));
+
+        /* Identify ourselves to the data provider */
+        ret = dp_common_send_id(be_conn->conn,
+                                DATA_PROVIDER_VERSION,
+                                "SUDO");
+        /* all fine */
+        if (ret == EOK) {
+            handle_requests_after_reconnect();
+            return;
+        }
+    }
+
+    /* Failed to reconnect */
+    DEBUG(SSSDBG_FATAL_FAILURE, ("Could not reconnect to %s provider.\n",
+                                 be_conn->domain->name));
+}
+
+int sudo_process_init(TALLOC_CTX *mem_ctx,
+                      struct tevent_context *ev,
+                      struct confdb_ctx *cdb)
+{
+    struct sss_cmd_table *sudo_cmds;
+    struct sudo_ctx *sudo_ctx;
+    struct be_conn *iter;
+    int ret;
+    int max_retries;
+
+    sudo_ctx = talloc_zero(mem_ctx, struct sudo_ctx);
+    if (!sudo_ctx) {
+        DEBUG(SSSDBG_FATAL_FAILURE, ("fatal error initializing sudo_ctx\n"));
+        return ENOMEM;
+    }
+
+    sudo_cmds = get_sudo_cmds();
+    ret = sss_process_init(sudo_ctx, ev, cdb,
+                           sudo_cmds,
+                           SSS_SUDO_SOCKET_NAME, NULL,
+                           CONFDB_SUDO_CONF_ENTRY,
+                           SSS_SUDO_SBUS_SERVICE_NAME,
+                           SSS_SUDO_SBUS_SERVICE_VERSION,
+                           &monitor_sudo_interface,
+                           "SUDO",
+                           &sudo_dp_interface,
+                           &sudo_ctx->rctx);
+    if (ret != EOK) {
+        return ret;
+    }
+    sudo_ctx->rctx->pvt_ctx = sudo_ctx;
+
+    /* Enable automatic reconnection to the Data Provider */
+    ret = confdb_get_int(sudo_ctx->rctx->cdb, sudo_ctx->rctx,
+                         CONFDB_SUDO_CONF_ENTRY,
+                         CONFDB_SERVICE_RECON_RETRIES,
+                         3, &max_retries);
+    if (ret != EOK) {
+        DEBUG(SSSDBG_FATAL_FAILURE,
+              ("Failed to set up automatic reconnection\n"));
+        return ret;
+    }
+
+    for (iter = sudo_ctx->rctx->be_conns; iter; iter = iter->next) {
+        sbus_reconnect_init(iter->conn, max_retries,
+                            sudo_dp_reconnect_init, iter);
+    }
+
+    DEBUG(SSSDBG_TRACE_FUNC, ("SUDO Initialization complete\n"));
+
+    return EOK;
+}
+
+int main(int argc, const char *argv[])
+{
+    int opt;
+    poptContext pc;
+    struct main_context *main_ctx;
+    int ret;
+
+    struct poptOption long_options[] = {
+        POPT_AUTOHELP
+        SSSD_MAIN_OPTS
+        POPT_TABLEEND
+    };
+
+    /* Set debug level to invalid value so we can deside if -d 0 was used. */
+    debug_level = SSSDBG_INVALID;
+
+    pc = poptGetContext(argv[0], argc, argv, long_options, 0);
+    while((opt = poptGetNextOpt(pc)) != -1) {
+        switch(opt) {
+        default:
+            fprintf(stderr, "\nInvalid option %s: %s\n\n",
+                  poptBadOption(pc, 0), poptStrerror(opt));
+            poptPrintUsage(pc, stderr, 0);
+            return 1;
+        }
+    }
+
+    poptFreeContext(pc);
+
+    CONVERT_AND_SET_DEBUG_LEVEL(debug_level);
+
+    /* set up things like debug, signals, daemonization, etc... */
+    debug_log_file = "sssd_sudo";
+
+    ret = server_setup("sssd[sudo]", 0, CONFDB_SUDO_CONF_ENTRY, &main_ctx);
+    if (ret != EOK) {
+        return 2;
+    }
+
+    ret = die_if_parent_died();
+    if (ret != EOK) {
+        /* This is not fatal, don't return */
+        DEBUG(SSSDBG_OP_FAILURE, ("Could not set up to exit "
+                                  "when parent process does\n"));
+    }
+
+    ret = sudo_process_init(main_ctx,
+                            main_ctx->event_ctx,
+                            main_ctx->confdb_ctx);
+    if (ret != EOK) {
+        return 3;
+    }
+
+    /* loop on main */
+    server_loop(main_ctx);
+
+    return 0;
+}