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authorJakub Hrozek <jhrozek@redhat.com>2012-01-03 22:27:01 +0100
committerStephen Gallagher <sgallagh@redhat.com>2012-02-05 19:16:16 -0500
commit5708dc97b69a468f077616d7a75e81f4172f63fa (patch)
tree23edd37d6bc0e3123cba0fdae903a86c7e1dedba /src/providers
parent6e8238868a4d17030bb4f01494961d0354a953bf (diff)
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AUTOFS: Data Provider request
Diffstat (limited to 'src/providers')
-rw-r--r--src/providers/data_provider.h1
-rw-r--r--src/providers/data_provider_be.c338
-rw-r--r--src/providers/dp_backend.h6
3 files changed, 315 insertions, 30 deletions
diff --git a/src/providers/data_provider.h b/src/providers/data_provider.h
index 627085b0..3c03b081 100644
--- a/src/providers/data_provider.h
+++ b/src/providers/data_provider.h
@@ -51,6 +51,7 @@
#define DP_METHOD_REGISTER "RegisterService"
#define DP_METHOD_GETACCTINFO "getAccountInfo"
#define DP_METHOD_SUDOHANDLER "sudoHandler"
+#define DP_METHOD_AUTOFSHANDLER "autofsHandler"
/**
* @defgroup pamHandler PAM DBUS request
* @ingroup sss_pam
diff --git a/src/providers/data_provider_be.c b/src/providers/data_provider_be.c
index 9965e52f..367b374f 100644
--- a/src/providers/data_provider_be.c
+++ b/src/providers/data_provider_be.c
@@ -82,12 +82,14 @@ static int client_registration(DBusMessage *message, struct sbus_connection *con
static int be_get_account_info(DBusMessage *message, struct sbus_connection *conn);
static int be_pam_handler(DBusMessage *message, struct sbus_connection *conn);
static int be_sudo_handler(DBusMessage *message, struct sbus_connection *conn);
+static int be_autofs_handler(DBusMessage *message, struct sbus_connection *conn);
struct sbus_method be_methods[] = {
{ DP_METHOD_REGISTER, client_registration },
{ DP_METHOD_GETACCTINFO, be_get_account_info },
{ DP_METHOD_PAMHANDLER, be_pam_handler },
{ DP_METHOD_SUDOHANDLER, be_sudo_handler },
+ { DP_METHOD_AUTOFSHANDLER, be_autofs_handler },
{ NULL, NULL }
};
@@ -106,6 +108,7 @@ static struct bet_data bet_data[] = {
{BET_ACCESS, CONFDB_DOMAIN_ACCESS_PROVIDER, "sssm_%s_access_init"},
{BET_CHPASS, CONFDB_DOMAIN_CHPASS_PROVIDER, "sssm_%s_chpass_init"},
{BET_SUDO, CONFDB_DOMAIN_SUDO_PROVIDER, "sssm_%s_sudo_init"},
+ {BET_AUTOFS, CONFDB_DOMAIN_SUDO_PROVIDER, "sssm_%s_autofs_init"},
{BET_MAX, NULL, NULL}
};
@@ -824,21 +827,262 @@ fail:
return EOK;
}
+static void be_autofs_handler_callback(struct be_req *req,
+ int dp_err_type,
+ int errnum,
+ const char *errstr);
+
+static int be_autofs_handler(DBusMessage *message, struct sbus_connection *conn)
+{
+ DBusError dbus_error;
+ DBusMessage *reply = NULL;
+ dbus_bool_t dbret;
+ struct be_client *be_cli = NULL;
+ struct be_req *be_req = NULL;
+ struct be_autofs_req *be_autofs_req = NULL;
+ void *user_data = NULL;
+ int ret = 0;
+ uint32_t type;
+ char *filter;
+ char *filter_val;
+ dbus_uint16_t err_maj;
+ dbus_uint32_t err_min;
+ const char *err_msg;
+
+ DEBUG(SSSDBG_TRACE_FUNC, ("Entering be_autofs_handler()\n"));
+
+ user_data = sbus_conn_get_private_data(conn);
+ if (user_data == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Cannot get SBUS private data\n"));
+ return EINVAL;
+ }
+
+ be_cli = talloc_get_type(user_data, struct be_client);
+ if (be_cli == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Cannot get back end client context\n"));
+ return EINVAL;
+ }
+
+ dbus_error_init(&dbus_error);
+
+ ret = dbus_message_get_args(message, &dbus_error,
+ DBUS_TYPE_UINT32, &type,
+ DBUS_TYPE_STRING, &filter,
+ DBUS_TYPE_INVALID);
+ if (!ret) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Failed, to parse message!\n"));
+ if (dbus_error_is_set(&dbus_error)) dbus_error_free(&dbus_error);
+ return EIO;
+ }
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("dbus_message_new_method_return failed, cannot send reply.\n"));
+ return ENOMEM;
+ }
+
+ /* If we are offline and fast reply was requested
+ * return offline immediately
+ */
+ if ((type & BE_REQ_FAST) && be_cli->bectx->offstat.offline) {
+ /* Send back an immediate reply */
+ err_maj = DP_ERR_OFFLINE;
+ err_min = EAGAIN;
+ err_msg = "Fast reply - offline";
+
+ dbret = dbus_message_append_args(reply,
+ DBUS_TYPE_UINT16, &err_maj,
+ DBUS_TYPE_UINT32, &err_min,
+ DBUS_TYPE_STRING, &err_msg,
+ DBUS_TYPE_INVALID);
+ if (!dbret) return EIO;
+
+ DEBUG(SSSDBG_TRACE_LIBS, ("Request processed. Returned %d,%d,%s\n",
+ err_maj, err_min, err_msg));
+
+ sbus_conn_send_reply(conn, reply);
+ dbus_message_unref(reply);
+ reply = NULL;
+ /* This reply will be queued and sent
+ * when we reenter the mainloop.
+ *
+ * Continue processing in case we are
+ * going back online.
+ */
+ }
+
+ if (filter) {
+ if (strncmp(filter, "mapname=", 8) == 0) {
+ filter_val = &filter[8];
+ } else {
+ err_maj = DP_ERR_FATAL;
+ err_min = EINVAL;
+ err_msg = "Invalid Filter";
+ goto done;
+ }
+ } else {
+ err_maj = DP_ERR_FATAL;
+ err_min = EINVAL;
+ err_msg = "Missing Filter Parameter";
+ goto done;
+ }
+
+ /* create be request */
+ be_req = talloc_zero(be_cli, struct be_req);
+ if (be_req == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("talloc_zero failed.\n"));
+ err_maj = DP_ERR_FATAL;
+ err_min = ENOMEM;
+ err_msg = "Out of memory";
+ goto done;
+ }
+
+ be_req->becli = be_cli;
+ be_req->be_ctx = be_cli->bectx;
+ be_req->pvt = reply;
+ be_req->fn = be_autofs_handler_callback;
+
+ /* set autofs request data */
+ be_autofs_req = talloc_zero(be_req, struct be_autofs_req);
+ if (be_autofs_req == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("talloc_zero failed.\n"));
+ err_maj = DP_ERR_FATAL;
+ err_min = ENOMEM;
+ err_msg = "Out of memory";
+ goto done;
+ }
+
+ be_autofs_req->mapname = talloc_strdup(be_autofs_req, filter_val);
+ if (be_autofs_req->mapname == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("talloc_strdup failed.\n"));
+ err_maj = DP_ERR_FATAL;
+ err_min = ENOMEM;
+ err_msg = "Out of memory";
+ goto done;
+ }
+
+ be_req->req_data = be_autofs_req;
+
+ if (!be_cli->bectx->bet_info[BET_AUTOFS].bet_ops) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Undefined backend target.\n"));
+ err_maj = DP_ERR_FATAL;
+ err_min = ENODEV;
+ err_msg = "Autofs back end target is not configured";
+ goto done;
+ }
+
+ ret = be_file_request(be_cli->bectx,
+ be_cli->bectx->bet_info[BET_AUTOFS].bet_ops->handler,
+ be_req);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("be_file_request failed.\n"));
+ err_maj = DP_ERR_FATAL;
+ err_min = ENODEV;
+ err_msg = "Cannot file back end request";
+ goto done;
+ }
+
+ return EOK;
+
+done:
+ if (be_req) {
+ talloc_free(be_req);
+ }
+
+ if (reply) {
+ dbret = dbus_message_append_args(reply,
+ DBUS_TYPE_UINT16, &err_maj,
+ DBUS_TYPE_UINT32, &err_min,
+ DBUS_TYPE_STRING, &err_msg,
+ DBUS_TYPE_INVALID);
+ if (!dbret) return EIO;
+
+ DEBUG(SSSDBG_TRACE_LIBS, ("Request processed. Returned %d,%d,%s\n",
+ err_maj, err_min, err_msg));
+
+ /* send reply back */
+ sbus_conn_send_reply(conn, reply);
+ dbus_message_unref(reply);
+ }
+
+ return EOK;
+}
+
+static void be_autofs_handler_callback(struct be_req *req,
+ int dp_err_type,
+ int errnum,
+ const char *errstr)
+{
+ DBusMessage *reply;
+ DBusConnection *dbus_conn;
+ dbus_bool_t dbret;
+ dbus_uint16_t err_maj = 0;
+ dbus_uint32_t err_min = 0;
+ const char *err_msg = NULL;
+
+ reply = (DBusMessage *)req->pvt;
+
+ if (reply) {
+ /* Return a reply if one was requested
+ * There may not be one if this request began
+ * while we were offline
+ */
+
+ err_maj = dp_err_type;
+ err_min = errnum;
+ if (errstr) {
+ err_msg = errstr;
+ } else {
+ err_msg = dp_pam_err_to_string(req, dp_err_type, errnum);
+ }
+ if (!err_msg) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Failed to set err_msg, Out of memory?\n"));
+ err_msg = "OOM";
+ }
+
+ dbret = dbus_message_append_args(reply,
+ DBUS_TYPE_UINT16, &err_maj,
+ DBUS_TYPE_UINT32, &err_min,
+ DBUS_TYPE_STRING, &err_msg,
+ DBUS_TYPE_INVALID);
+ if (!dbret) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to generate dbus reply\n"));
+ return;
+ }
+
+ dbus_conn = sbus_get_connection(req->becli->conn);
+ dbus_connection_send(dbus_conn, reply, NULL);
+ dbus_message_unref(reply);
+
+ DEBUG(SSSDBG_TRACE_LIBS,
+ ("Request processed. Returned %d,%d,%s\n",
+ err_maj, err_min, err_msg));
+ }
+
+ /* finally free the request */
+ talloc_free(req);
+}
+
static int be_client_destructor(void *ctx)
{
struct be_client *becli = talloc_get_type(ctx, struct be_client);
if (becli->bectx) {
if (becli->bectx->nss_cli == becli) {
- DEBUG(4, ("Removed NSS client\n"));
+ DEBUG(SSSDBG_TRACE_FUNC, ("Removed NSS client\n"));
becli->bectx->nss_cli = NULL;
} else if (becli->bectx->pam_cli == becli) {
- DEBUG(4, ("Removed PAM client\n"));
+ DEBUG(SSSDBG_TRACE_FUNC, ("Removed PAM client\n"));
becli->bectx->pam_cli = NULL;
} else if (becli->bectx->sudo_cli == becli) {
- DEBUG(4, ("Removed SUDO client\n"));
+ DEBUG(SSSDBG_TRACE_FUNC, ("Removed SUDO client\n"));
becli->bectx->sudo_cli = NULL;
+ } else if (becli->bectx->autofs_cli == becli) {
+ DEBUG(SSSDBG_TRACE_FUNC, ("Removed autofs client\n"));
+ becli->bectx->autofs_cli = NULL;
} else {
- DEBUG(2, ("Unknown client removed ...\n"));
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Unknown client removed ...\n"));
}
}
return 0;
@@ -887,6 +1131,8 @@ static int client_registration(DBusMessage *message,
becli->bectx->pam_cli = becli;
} else if (strcasecmp(cli_name, "SUDO") == 0) {
becli->bectx->sudo_cli = becli;
+ } else if (strcasecmp(cli_name, "autofs") == 0) {
+ becli->bectx->autofs_cli = becli;
} else {
DEBUG(1, ("Unknown client! [%s]\n", cli_name));
}
@@ -1326,19 +1572,21 @@ int be_process_init(TALLOC_CTX *mem_ctx,
ret = be_init_failover(ctx);
if (ret != EOK) {
- DEBUG(0, ("fatal error initializing failover context\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE,
+ ("fatal error initializing failover context\n"));
return ret;
}
ret = confdb_get_domain(cdb, be_domain, &ctx->domain);
if (ret != EOK) {
- DEBUG(0, ("fatal error retrieving domain configuration\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE,
+ ("fatal error retrieving domain configuration\n"));
return ret;
}
ret = sysdb_domain_init(ctx, ctx->domain, DB_PATH, &ctx->sysdb);
if (ret != EOK) {
- DEBUG(0, ("fatal error opening cache database\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE, ("fatal error opening cache database\n"));
return ret;
}
@@ -1346,62 +1594,73 @@ int be_process_init(TALLOC_CTX *mem_ctx,
ctx->identity, DATA_PROVIDER_VERSION,
ctx, &ctx->mon_conn);
if (ret != EOK) {
- DEBUG(0, ("fatal error setting up monitor bus\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE,
+ ("fatal error setting up monitor bus\n"));
return ret;
}
ret = be_srv_init(ctx);
if (ret != EOK) {
- DEBUG(0, ("fatal error setting up server bus\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE, ("fatal error setting up server bus\n"));
return ret;
}
ret = load_backend_module(ctx, BET_ID,
&ctx->bet_info[BET_ID], NULL);
if (ret != EOK) {
- DEBUG(0, ("fatal error initializing data providers\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE,
+ ("fatal error initializing data providers\n"));
return ret;
}
- DEBUG(9, ("ID backend target successfully loaded from provider [%s].\n",
- ctx->bet_info[BET_ID].mod_name));
+ DEBUG(SSSDBG_TRACE_INTERNAL,
+ ("ID backend target successfully loaded from provider [%s].\n",
+ ctx->bet_info[BET_ID].mod_name));
ret = load_backend_module(ctx, BET_AUTH,
&ctx->bet_info[BET_AUTH],
ctx->bet_info[BET_ID].mod_name);
if (ret != EOK) {
if (ret != ENOENT) {
- DEBUG(0, ("fatal error initializing data providers\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE,
+ ("fatal error initializing data providers\n"));
return ret;
}
- DEBUG(1, ("No authentication module provided for [%s] !!\n",
- be_domain));
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("No authentication module provided for [%s] !!\n",
+ be_domain));
} else {
- DEBUG(9, ("AUTH backend target successfully loaded "
- "from provider [%s].\n", ctx->bet_info[BET_AUTH].mod_name));
+ DEBUG(SSSDBG_TRACE_INTERNAL,
+ ("AUTH backend target successfully loaded "
+ "from provider [%s].\n", ctx->bet_info[BET_AUTH].mod_name));
}
ret = load_backend_module(ctx, BET_ACCESS, &ctx->bet_info[BET_ACCESS],
ACCESS_PERMIT);
if (ret != EOK) {
- DEBUG(0, ("Failed to setup ACCESS backend.\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE,
+ ("Failed to setup ACCESS backend.\n"));
return ret;
}
- DEBUG(9, ("ACCESS backend target successfully loaded "
- "from provider [%s].\n", ctx->bet_info[BET_ACCESS].mod_name));
+ DEBUG(SSSDBG_TRACE_INTERNAL,
+ ("ACCESS backend target successfully loaded "
+ "from provider [%s].\n", ctx->bet_info[BET_ACCESS].mod_name));
ret = load_backend_module(ctx, BET_CHPASS,
&ctx->bet_info[BET_CHPASS],
ctx->bet_info[BET_AUTH].mod_name);
if (ret != EOK) {
if (ret != ENOENT) {
- DEBUG(0, ("fatal error initializing data providers\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE,
+ ("fatal error initializing data providers\n"));
return ret;
}
- DEBUG(1, ("No change password module provided for [%s] !!\n",
- be_domain));
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("No change password module provided for [%s] !!\n",
+ be_domain));
} else {
- DEBUG(9, ("CHPASS backend target successfully loaded "
- "from provider [%s].\n", ctx->bet_info[BET_CHPASS].mod_name));
+ DEBUG(SSSDBG_TRACE_INTERNAL,
+ ("CHPASS backend target successfully loaded "
+ "from provider [%s].\n", ctx->bet_info[BET_CHPASS].mod_name));
}
ret = load_backend_module(ctx, BET_SUDO,
@@ -1409,14 +1668,33 @@ int be_process_init(TALLOC_CTX *mem_ctx,
ctx->bet_info[BET_ID].mod_name);
if (ret != EOK) {
if (ret != ENOENT) {
- DEBUG(0, ("fatal error initializing data providers\n"));
+ DEBUG(SSSDBG_FATAL_FAILURE,
+ ("fatal error initializing data providers\n"));
+ return ret;
+ }
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("No SUDO module provided for [%s] !!\n", be_domain));
+ } else {
+ DEBUG(SSSDBG_TRACE_INTERNAL,
+ ("SUDO backend target successfully loaded "
+ "from provider [%s].\n", ctx->bet_info[BET_SUDO].mod_name));
+ }
+
+ ret = load_backend_module(ctx, BET_AUTOFS,
+ &ctx->bet_info[BET_AUTOFS],
+ ctx->bet_info[BET_ID].mod_name);
+ if (ret != EOK) {
+ if (ret != ENOENT) {
+ DEBUG(SSSDBG_FATAL_FAILURE,
+ ("fatal error initializing data providers\n"));
return ret;
}
- DEBUG(1, ("No SUDO module provided for [%s] !!\n",
- be_domain));
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("No autofs module provided for [%s] !!\n", be_domain));
} else {
- DEBUG(9, ("SUDO backend target successfully loaded "
- "from provider [%s].\n", ctx->bet_info[BET_SUDO].mod_name));
+ DEBUG(SSSDBG_TRACE_INTERNAL,
+ ("autofs backend target successfully loaded "
+ "from provider [%s].\n", ctx->bet_info[BET_AUTOFS].mod_name));
}
/* Handle SIGUSR1 to force offline behavior */
diff --git a/src/providers/dp_backend.h b/src/providers/dp_backend.h
index 0964110a..c053538b 100644
--- a/src/providers/dp_backend.h
+++ b/src/providers/dp_backend.h
@@ -50,6 +50,7 @@ enum bet_type {
BET_ACCESS,
BET_CHPASS,
BET_SUDO,
+ BET_AUTOFS,
BET_MAX
};
@@ -112,6 +113,7 @@ struct be_ctx {
struct be_client *nss_cli;
struct be_client *pam_cli;
struct be_client *sudo_cli;
+ struct be_client *autofs_cli;
struct loaded_be loaded_be[BET_MAX];
struct bet_info bet_info[BET_MAX];
@@ -153,6 +155,10 @@ struct be_sudo_req {
char **groups;
};
+struct be_autofs_req {
+ char *mapname;
+};
+
bool be_is_offline(struct be_ctx *ctx);
void be_mark_offline(struct be_ctx *ctx);