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-rw-r--r--src/responder/ifp/ifp_components.c662
1 files changed, 662 insertions, 0 deletions
diff --git a/src/responder/ifp/ifp_components.c b/src/responder/ifp/ifp_components.c
new file mode 100644
index 0000000..c6b9837
--- /dev/null
+++ b/src/responder/ifp/ifp_components.c
@@ -0,0 +1,662 @@
+/*
+ Authors:
+ Pavel Březina <pbrezina@redhat.com>
+
+ Copyright (C) 2014 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 <string.h>
+#include <talloc.h>
+#include <signal.h>
+#include <errno.h>
+#include <utime.h>
+
+#include "config.h"
+#include "confdb/confdb.h"
+#include "util/util.h"
+#include "responder/common/responder.h"
+#include "responder/ifp/ifp_components.h"
+
+#define PATH_MONITOR IFP_PATH_COMPONENTS "/monitor"
+#define PATH_RESPONDERS IFP_PATH_COMPONENTS "/Responders"
+#define PATH_BACKENDS IFP_PATH_COMPONENTS "/Backends"
+
+enum component_type {
+ COMPONENT_MONITOR,
+ COMPONENT_RESPONDER,
+ COMPONENT_BACKEND
+};
+
+static bool responder_exists(const char *name)
+{
+ const char * const *svc = get_known_services();
+ int i;
+
+ for (i = 0; svc[i] != NULL; i++) {
+ if (strcmp(svc[i], name) == 0) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static bool backend_exists(struct confdb_ctx *confdb, const char *name)
+{
+ char **names = NULL;
+ errno_t ret;
+ int i;
+
+ ret = confdb_list_all_domain_names(NULL, confdb, &names);
+ if (ret != EOK) {
+ return false;
+ }
+
+ for (i = 0; names[i] != NULL; i++) {
+ if (strcmp(names[i], name) == 0) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static errno_t check_and_get_component_from_path(TALLOC_CTX *mem_ctx,
+ struct confdb_ctx *confdb,
+ const char *path,
+ enum component_type *_type,
+ char **_name)
+{
+ enum component_type type;
+ char *name = NULL;
+ errno_t ret;
+
+ if (confdb == NULL || path == NULL) {
+ return EINVAL;
+ }
+
+ if (strcmp(path, PATH_MONITOR) == 0) {
+ type = COMPONENT_MONITOR;
+ name = talloc_strdup(mem_ctx, "monitor");
+ if (name == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+ } else {
+ name = sbus_opath_object_name(mem_ctx, path, PATH_RESPONDERS);
+ if (name != NULL) {
+ type = COMPONENT_RESPONDER;
+ } else {
+ name = sbus_opath_object_name(mem_ctx, path, PATH_BACKENDS);
+ if (name != NULL) {
+ type = COMPONENT_BACKEND;
+ } else {
+ ret = EINVAL;
+ goto done;
+ }
+ }
+ }
+
+ if (strchr(name, '/') != NULL) {
+ ret = EINVAL;
+ goto done;
+ }
+
+ switch (type) {
+ case COMPONENT_MONITOR:
+ /* noop */
+ break;
+ case COMPONENT_RESPONDER:
+ if (!responder_exists(name)) {
+ ret = ENOENT;
+ goto done;
+ }
+ break;
+ case COMPONENT_BACKEND:
+ if (!backend_exists(confdb, name)) {
+ ret = ENOENT;
+ goto done;
+ }
+ break;
+ }
+
+ if (_type != NULL) {
+ *_type = type;
+ }
+
+ if (_name != NULL) {
+ *_name = name;
+ }
+
+ ret = EOK;
+
+done:
+ if (ret != EOK) {
+ talloc_free(name);
+ }
+
+ return ret;
+}
+
+static errno_t list_responders(TALLOC_CTX *mem_ctx,
+ const char ***_list,
+ int *_num)
+{
+ const char **list = NULL;
+ const char * const *svc = get_known_services();
+ errno_t ret;
+ int num;
+ int i;
+
+ for (num = 0; svc[num] != NULL; num++);
+
+ list = talloc_zero_array(mem_ctx, const char*, num + 1);
+ if (list == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ for (i = 0; i < num; i++) {
+ list[i] = sbus_opath_compose(list, PATH_RESPONDERS, svc[i]);
+ if (list[i] == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+ }
+
+ *_num = num;
+ *_list = list;
+ ret = EOK;
+
+done:
+ if (ret != EOK) {
+ talloc_free(list);
+ }
+
+ return ret;
+}
+
+static errno_t list_backends(TALLOC_CTX *mem_ctx,
+ struct confdb_ctx *confdb,
+ const char ***_list,
+ int *_num)
+{
+ TALLOC_CTX *tmp_ctx = NULL;
+ const char **list = NULL;
+ char **names = NULL;
+ errno_t ret;
+ int num;
+ int i;
+
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ return ENOMEM;
+ }
+
+ ret = confdb_list_all_domain_names(tmp_ctx, confdb, &names);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ for (num = 0; names[num] != NULL; num++);
+
+ list = talloc_zero_array(tmp_ctx, const char*, num + 1);
+ if (list == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ for (i = 0; i < num; i++) {
+ list[i] = sbus_opath_compose(list, PATH_BACKENDS, names[i]);
+ if (list[i] == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+ }
+
+ *_num = num;
+ *_list = talloc_steal(mem_ctx, list);
+ ret = EOK;
+
+done:
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
+errno_t
+ifp_list_components(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ const char ***_paths)
+{
+ TALLOC_CTX *tmp_ctx;
+ const char **responders;
+ const char **backends;
+ const char **result;
+ int num_responders;
+ int num_backends;
+ int num;
+ int i;
+ errno_t ret;
+
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ DEBUG(SSSDBG_FATAL_FAILURE, "Out of memory!\n");
+ return ENOMEM;
+ }
+
+ ret = list_responders(tmp_ctx, &responders, &num_responders);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ ret = list_backends(tmp_ctx, ctx->rctx->cdb, &backends, &num_backends);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ num = num_responders + num_backends + 1;
+ result = talloc_zero_array(mem_ctx, const char *, num + 1);
+ if (result == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ result[0] = PATH_MONITOR;
+
+ for (i = 0; i < num_responders; i++) {
+ result[i + 1] = talloc_steal(result, responders[i]);
+ }
+
+ for (i = 0; i < num_backends; i++) {
+ result[i + num_responders + 1] = talloc_steal(result, backends[i]);
+ }
+
+ *_paths = result;
+
+ ret = EOK;
+
+done:
+ talloc_free(tmp_ctx);
+
+ return ret;
+}
+
+
+errno_t
+ifp_list_responders(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ const char ***_paths)
+{
+ const char **result;
+ int num;
+ errno_t ret;
+
+ ret = list_responders(mem_ctx, &result, &num);
+ if (ret != EOK) {
+ return ret;
+ }
+
+ *_paths = result;
+
+ return EOK;
+}
+
+errno_t
+ifp_list_backends(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ const char ***_paths)
+{
+ const char **result;
+ int num;
+ errno_t ret;
+
+ ret = list_backends(mem_ctx, ctx->rctx->cdb, &result, &num);
+ if (ret != EOK) {
+ return ret;
+ }
+
+ *_paths = result;
+
+ return EOK;
+}
+
+errno_t
+ifp_find_monitor(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ const char **_path)
+{
+ *_path = PATH_MONITOR;
+
+ return EOK;
+}
+
+
+errno_t
+ifp_find_responder_by_name(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ const char *name,
+ const char **_path)
+{
+ const char *result;
+
+ if (responder_exists(name)) {
+ result = sbus_opath_compose(mem_ctx, PATH_RESPONDERS, name);
+ if (result == NULL) {
+ return ENOMEM;
+ }
+
+ *_path = result;
+ return EOK;
+ }
+
+ DEBUG(SSSDBG_MINOR_FAILURE, "Responder \"%s\" does not exist", name);
+ return ENOENT;
+}
+
+errno_t
+ifp_find_backend_by_name(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ const char *name,
+ const char **_path)
+{
+ const char *result;
+
+ if (backend_exists(ctx->rctx->cdb, name)) {
+ result = sbus_opath_compose(mem_ctx, PATH_BACKENDS, name);
+ if (result == NULL) {
+ return ENOMEM;
+ }
+
+ *_path = result;
+ return EOK;
+ }
+
+ DEBUG(SSSDBG_MINOR_FAILURE, "Backend \"%s\" does not exist", name);
+ return ENOENT;
+}
+
+errno_t
+ifp_component_get_name(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ const char **_out)
+{
+ char *name;
+ errno_t ret;
+
+ ret = check_and_get_component_from_path(mem_ctx, ctx->rctx->cdb,
+ sbus_req->path, NULL, &name);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE, "Unknown object [%d]: %s\n",
+ ret, sss_strerror(ret));
+ return ret;
+ }
+
+ *_out = name;
+
+ return EOK;
+}
+
+errno_t
+ifp_component_get_debug_level(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ uint32_t *_out)
+{
+ TALLOC_CTX *tmp_ctx;
+ const char *confdb_path = NULL;
+ enum component_type type;
+ char *name;
+ int level;
+ errno_t ret;
+
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ DEBUG(SSSDBG_FATAL_FAILURE, "Out of memory!\n");
+ return ENOMEM;
+ }
+
+ ret = check_and_get_component_from_path(tmp_ctx, ctx->rctx->cdb,
+ sbus_req->path, &type, &name);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE, "Unknown object [%d]: %s\n",
+ ret, sss_strerror(ret));
+ goto done;
+ }
+
+ switch (type) {
+ case COMPONENT_MONITOR:
+ confdb_path = CONFDB_MONITOR_CONF_ENTRY;
+ break;
+ case COMPONENT_RESPONDER:
+ confdb_path = talloc_asprintf(tmp_ctx, CONFDB_SERVICE_PATH_TMPL, name);
+ break;
+ case COMPONENT_BACKEND:
+ confdb_path = talloc_asprintf(tmp_ctx, CONFDB_DOMAIN_PATH_TMPL, name);
+ break;
+ }
+
+ if (confdb_path == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "Out of memory\n");
+ ret = ENOMEM;
+ goto done;
+ }
+
+ ret = confdb_get_int(ctx->rctx->cdb, confdb_path,
+ CONFDB_SERVICE_DEBUG_LEVEL, SSSDBG_DEFAULT, &level);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE, "Unable to retrieve configuration option"
+ "[%d]: %s\n", ret, sss_strerror(ret));
+ goto done;
+ }
+
+ *_out = level;
+
+ ret = EOK;
+
+done:
+ talloc_free(tmp_ctx);
+
+ return ret;
+}
+
+errno_t
+ifp_component_get_enabled(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ bool *_out)
+{
+ TALLOC_CTX *tmp_ctx;
+ enum component_type type;
+ const char *param = NULL;
+ char **values;
+ char *name;
+ errno_t ret;
+ int i;
+
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ DEBUG(SSSDBG_FATAL_FAILURE, "Out of memory!\n");
+ return ENOMEM;
+ }
+
+ ret = check_and_get_component_from_path(tmp_ctx, ctx->rctx->cdb,
+ sbus_req->path, &type, &name);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE, "Unknown object [%d]: %s\n",
+ ret, sss_strerror(ret));
+ goto done;
+ }
+
+ switch (type) {
+ case COMPONENT_MONITOR:
+ *_out = true;
+ ret = EOK;
+ goto done;
+ case COMPONENT_RESPONDER:
+ param = CONFDB_MONITOR_ACTIVE_SERVICES;
+ break;
+ case COMPONENT_BACKEND:
+ param = CONFDB_MONITOR_ACTIVE_DOMAINS;
+ break;
+ }
+
+ ret = confdb_get_string_as_list(ctx->rctx->cdb, tmp_ctx,
+ CONFDB_MONITOR_CONF_ENTRY, param, &values);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE, "Unable to retrieve configuration option"
+ "[%d]: %s\n", ret, sss_strerror(ret));
+ goto done;
+ }
+
+ for (i = 0; values[i] != NULL; i++) {
+ if (strcmp(values[i], name) == 0) {
+ *_out = true;
+ break;
+ }
+ }
+
+ ret = EOK;
+
+done:
+ talloc_free(tmp_ctx);
+
+ return ret;
+}
+
+errno_t
+ifp_component_get_type(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ const char **_out)
+{
+ enum component_type type;
+ errno_t ret;
+
+ ret = check_and_get_component_from_path(mem_ctx, ctx->rctx->cdb,
+ sbus_req->path, &type, NULL);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE, "Unknown object [%d]: %s\n",
+ ret, sss_strerror(ret));
+ return ret;
+ }
+
+ switch (type) {
+ case COMPONENT_MONITOR:
+ *_out = "monitor";
+ break;
+ case COMPONENT_RESPONDER:
+ *_out = "responder";
+ break;
+ case COMPONENT_BACKEND:
+ *_out = "backend";
+ break;
+ }
+
+ return EOK;
+}
+
+errno_t
+ifp_backend_get_providers(TALLOC_CTX *mem_ctx,
+ struct sbus_request *sbus_req,
+ struct ifp_ctx *ctx,
+ const char ***_out)
+{
+ TALLOC_CTX *tmp_ctx;
+ const char *confdb_path;
+ char *name;
+ enum component_type type;
+ const char **out;
+ char *value;
+ static const char *providers[] = {CONFDB_DOMAIN_ID_PROVIDER,
+ CONFDB_DOMAIN_AUTH_PROVIDER,
+ CONFDB_DOMAIN_ACCESS_PROVIDER,
+ CONFDB_DOMAIN_CHPASS_PROVIDER,
+ CONFDB_DOMAIN_SUDO_PROVIDER,
+ CONFDB_DOMAIN_AUTOFS_PROVIDER,
+ CONFDB_DOMAIN_SELINUX_PROVIDER,
+ CONFDB_DOMAIN_HOSTID_PROVIDER,
+ CONFDB_DOMAIN_SUBDOMAINS_PROVIDER,
+ CONFDB_DOMAIN_SESSION_PROVIDER};
+ int num_providers = sizeof(providers) / sizeof(providers[0]);
+ errno_t ret;
+ int i;
+ int j;
+
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ return ENOMEM;
+ }
+
+ ret = check_and_get_component_from_path(tmp_ctx, ctx->rctx->cdb,
+ sbus_req->path, &type, &name);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE, "Unknown object [%d]: %s\n",
+ ret, sss_strerror(ret));
+ goto done;
+ }
+
+ if (type != COMPONENT_BACKEND) {
+ ret = EINVAL;
+ goto done;
+ }
+
+ confdb_path = talloc_asprintf(tmp_ctx, CONFDB_DOMAIN_PATH_TMPL, name);
+ if (confdb_path == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ out = talloc_zero_array(tmp_ctx, const char *, num_providers + 1);
+ if (out == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ j = 0;
+ for (i = 0; i < num_providers; i++) {
+ ret = confdb_get_string(ctx->rctx->cdb, tmp_ctx, confdb_path,
+ providers[i], NULL, &value);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ if (value == NULL) {
+ continue;
+ }
+
+ out[j] = talloc_asprintf(out, "%s=%s", providers[i], value);
+ if (out[j] == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ j++;
+ }
+
+ *_out = talloc_steal(mem_ctx, out);
+
+done:
+ talloc_free(tmp_ctx);
+
+ return ret;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-27 01:55:13 +0000