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authorStephen Gallagher <sgallagh@redhat.com>2009-03-26 10:55:05 -0400
committerSimo Sorce <ssorce@redhat.com>2009-03-26 14:15:43 -0400
commit0793b52b7860c90f8bd134a4c080d4bea0b7c9dc (patch)
treede43f8284a947556340650fbf1d48ec9e4d99e80 /server/responder
parenta5ce26e98ae27f28006e812f2448c8ac5b012dde (diff)
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Enable autoreconnection to the Data Provider in PAM
Diffstat (limited to 'server/responder')
-rw-r--r--server/responder/common/responder_common.c6
-rw-r--r--server/responder/common/responder_common.h3
-rw-r--r--server/responder/pam/pamsrv.c62
3 files changed, 67 insertions, 4 deletions
diff --git a/server/responder/common/responder_common.c b/server/responder/common/responder_common.c
index 37801843..3b566b9c 100644
--- a/server/responder/common/responder_common.c
+++ b/server/responder/common/responder_common.c
@@ -498,7 +498,8 @@ int sss_process_init(TALLOC_CTX *mem_ctx,
const char *sss_pipe_name,
const char *sss_priv_pipe_name,
const char *confdb_socket_path,
- struct sbus_method dp_methods[])
+ struct sbus_method dp_methods[],
+ struct resp_ctx **responder_ctx)
{
struct resp_ctx *rctx;
int ret;
@@ -550,8 +551,9 @@ int sss_process_init(TALLOC_CTX *mem_ctx,
rctx->cache_timeout = 600; /* FIXME: read from conf */
- DEBUG(1, ("NSS Initialization complete\n"));
+ DEBUG(1, ("Responder Initialization complete\n"));
+ *responder_ctx = rctx;
return EOK;
}
diff --git a/server/responder/common/responder_common.h b/server/responder/common/responder_common.h
index 0a5b6274..66e01f9d 100644
--- a/server/responder/common/responder_common.h
+++ b/server/responder/common/responder_common.h
@@ -17,7 +17,8 @@ int sss_process_init(TALLOC_CTX *mem_ctx,
const char *sss_pipe_name,
const char *sss_priv_pipe_name,
const char *confdb_socket_path,
- struct sbus_method dp_methods[]);
+ struct sbus_method dp_methods[],
+ struct resp_ctx **responder_ctx);
int sss_parse_name(TALLOC_CTX *memctx,
const char *fullname,
diff --git a/server/responder/pam/pamsrv.c b/server/responder/pam/pamsrv.c
index 99522898..4abc0a2f 100644
--- a/server/responder/pam/pamsrv.c
+++ b/server/responder/pam/pamsrv.c
@@ -109,6 +109,8 @@ static int service_pong(DBusMessage *message, struct sbus_conn_ctx *sconn)
return EOK;
}
+static void pam_shutdown(struct resp_ctx *ctx);
+
static int service_reload(DBusMessage *message, struct sbus_conn_ctx *sconn) {
/* Monitor calls this function when we need to reload
* our configuration information. Perform whatever steps
@@ -119,6 +121,59 @@ static int service_reload(DBusMessage *message, struct sbus_conn_ctx *sconn) {
return service_pong(message, sconn);
}
+static void pam_dp_reconnect_init(struct sbus_conn_ctx *sconn, int status, void *pvt)
+{
+ int ret;
+ struct resp_ctx *rctx = talloc_get_type(pvt, struct resp_ctx);
+
+ /* Did we reconnect successfully? */
+ if (status == SBUS_RECONNECT_SUCCESS) {
+ /* Add the methods back to the new connection */
+ ret = sbus_conn_add_method_ctx(rctx->dp_ctx->scon_ctx,
+ rctx->dp_ctx->sm_ctx);
+ if (ret != EOK) {
+ DEBUG(0, ("Could not re-add methods on reconnection.\n"));
+ pam_shutdown(rctx);
+ }
+
+ DEBUG(1, ("Reconnected to the Data Provider.\n"));
+ return;
+ }
+
+ /* Handle failure */
+ DEBUG(0, ("Could not reconnect to data provider.\n"));
+ /* Kill the backend and let the monitor restart it */
+ pam_shutdown(rctx);
+}
+
+static void pam_shutdown(struct resp_ctx *rctx)
+{
+ /* TODO: Do clean-up here */
+
+ /* Nothing left to do but exit() */
+ exit(0);
+}
+
+
+static int pam_process_init(struct main_context *main_ctx,
+ struct resp_ctx *rctx)
+{
+ int ret, max_retries;
+
+ /* Enable automatic reconnection to the Data Provider */
+ ret = confdb_get_int(rctx->cdb, rctx, rctx->confdb_socket_path,
+ "retries", 3, &max_retries);
+ if (ret != EOK) {
+ DEBUG(0, ("Failed to set up automatic reconnection\n"));
+ return ret;
+ }
+
+ sbus_reconnect_init(rctx->dp_ctx->scon_ctx, max_retries,
+ pam_dp_reconnect_init, rctx);
+
+ return EOK;
+}
+
int main(int argc, const char *argv[])
{
int opt;
@@ -127,6 +182,7 @@ int main(int argc, const char *argv[])
int ret;
struct sbus_method *pam_dp_methods;
struct sss_cmd_table *sss_cmds;
+ struct resp_ctx *rctx;
struct poptOption long_options[] = {
POPT_AUTOHELP
@@ -161,9 +217,13 @@ int main(int argc, const char *argv[])
SSS_PAM_SOCKET_NAME,
SSS_PAM_PRIV_SOCKET_NAME,
CONFDB_SOCKET_PATH,
- pam_dp_methods);
+ pam_dp_methods,
+ &rctx);
if (ret != EOK) return 3;
+ ret = pam_process_init(main_ctx, rctx);
+ if (ret != EOK) return 4;
+
/* loop on main */
server_loop(main_ctx);