diff options
Diffstat (limited to 'src/tools/selinux.c')
-rw-r--r-- | src/tools/selinux.c | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/src/tools/selinux.c b/src/tools/selinux.c index 1f87d40f9..5e9c458f9 100644 --- a/src/tools/selinux.c +++ b/src/tools/selinux.c @@ -27,16 +27,8 @@ #include <selinux/selinux.h> #endif -#ifdef HAVE_SEMANAGE -#include <semanage/semanage.h> -#endif - #include "tools/tools_util.h" -#ifndef DEFAULT_SERANGE -#define DEFAULT_SERANGE "s0" -#endif - #ifdef HAVE_SELINUX /* * selinux_file_context - Set the security context before any file or @@ -89,329 +81,3 @@ int reset_selinux_file_context(void) return EOK; } #endif /* HAVE_SELINUX */ - -#ifdef HAVE_SEMANAGE -/* turn libselinux messages into SSSD DEBUG() calls */ -static void sss_semanage_error_callback(void *varg, - semanage_handle_t *handle, - const char *fmt, ...) -{ - int level = SSSDBG_INVALID; - int ret; - char * message = NULL; - va_list ap; - - switch (semanage_msg_get_level(handle)) { - case SEMANAGE_MSG_ERR: - level = SSSDBG_CRIT_FAILURE; - break; - case SEMANAGE_MSG_WARN: - level = SSSDBG_MINOR_FAILURE; - break; - case SEMANAGE_MSG_INFO: - level = SSSDBG_TRACE_FUNC; - break; - } - - va_start(ap, fmt); - ret = vasprintf(&message, fmt, ap); - va_end(ap); - if (ret < 0) { - /* ENOMEM */ - return; - } - - if (DEBUG_IS_SET(level)) - debug_fn(__FILE__, __LINE__, "libsemanage", level, "%s\n", message); - free(message); -} - -static semanage_handle_t *sss_semanage_init(void) -{ - int ret; - semanage_handle_t *handle = NULL; - - handle = semanage_handle_create(); - if (!handle) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot create SELinux management handle\n"); - return NULL; - } - - semanage_msg_set_callback(handle, - sss_semanage_error_callback, - NULL); - - ret = semanage_is_managed(handle); - if (ret != 1) { - DEBUG(SSSDBG_CRIT_FAILURE, "SELinux policy not managed\n"); - goto fail; - } - - ret = semanage_access_check(handle); - if (ret < SEMANAGE_CAN_READ) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot read SELinux policy store\n"); - goto fail; - } - - ret = semanage_connect(handle); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, - "Cannot estabilish SELinux management connection\n"); - goto fail; - } - - ret = semanage_begin_transaction(handle); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot begin SELinux transaction\n"); - goto fail; - } - - return handle; -fail: - semanage_handle_destroy(handle); - return NULL; -} - -static int sss_semanage_user_add(semanage_handle_t *handle, - semanage_seuser_key_t *key, - const char *login_name, - const char *seuser_name) -{ - int ret; - semanage_seuser_t *seuser = NULL; - - ret = semanage_seuser_create(handle, &seuser); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, - "Cannot create SELinux login mapping for %s\n", login_name); - ret = EIO; - goto done; - } - - ret = semanage_seuser_set_name(handle, seuser, login_name); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Could not set name for %s\n", login_name); - ret = EIO; - goto done; - } - - ret = semanage_seuser_set_mlsrange(handle, seuser, DEFAULT_SERANGE); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, - "Could not set serange for %s\n", login_name); - ret = EIO; - goto done; - } - - ret = semanage_seuser_set_sename(handle, seuser, seuser_name); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, - "Could not set SELinux user for %s\n", login_name); - ret = EIO; - goto done; - } - - ret = semanage_seuser_modify_local(handle, key, seuser); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, - "Could not add login mapping for %s\n", login_name); - ret = EIO; - goto done; - } - - ret = EOK; -done: - semanage_seuser_free(seuser); - return ret; -} - -static int sss_semanage_user_mod(semanage_handle_t *handle, - semanage_seuser_key_t *key, - const char *login_name, - const char *seuser_name) -{ - int ret; - semanage_seuser_t *seuser = NULL; - - semanage_seuser_query(handle, key, &seuser); - if (seuser == NULL) { - DEBUG(SSSDBG_CRIT_FAILURE, - "Could not query seuser for %s\n", login_name); - ret = EIO; - goto done; - } - - ret = semanage_seuser_set_mlsrange(handle, seuser, DEFAULT_SERANGE); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, - "Could not set serange for %s\n", login_name); - ret = EIO; - goto done; - } - - ret = semanage_seuser_set_sename(handle, seuser, seuser_name); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Could not set sename for %s\n", login_name); - ret = EIO; - goto done; - } - - ret = semanage_seuser_modify_local(handle, key, seuser); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, - ("Could not modify login mapping for %s\n"), login_name); - ret = EIO; - goto done; - } - - ret = EOK; -done: - semanage_seuser_free(seuser); - return ret; -} - -int set_seuser(const char *login_name, const char *seuser_name) -{ - semanage_handle_t *handle = NULL; - semanage_seuser_key_t *key = NULL; - int ret; - int seuser_exists = 0; - - if (seuser_name == NULL) { - /* don't care, just let system pick the defaults */ - return EOK; - } - - handle = sss_semanage_init(); - if (!handle) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot init SELinux management\n"); - ret = EIO; - goto done; - } - - ret = semanage_seuser_key_create(handle, login_name, &key); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot create SELinux user key\n"); - ret = EIO; - goto done; - } - - ret = semanage_seuser_exists(handle, key, &seuser_exists); - if (ret < 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot verify the SELinux user\n"); - ret = EIO; - goto done; - } - - if (seuser_exists) { - ret = sss_semanage_user_mod(handle, key, login_name, seuser_name); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot modify SELinux user mapping\n"); - ret = EIO; - goto done; - } - } else { - ret = sss_semanage_user_add(handle, key, login_name, seuser_name); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot add SELinux user mapping\n"); - ret = EIO; - goto done; - } - } - - ret = semanage_commit(handle); - if (ret < 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot commit SELinux transaction\n"); - ret = EIO; - goto done; - } - - ret = EOK; -done: - semanage_seuser_key_free(key); - semanage_handle_destroy(handle); - return ret; -} - -int del_seuser(const char *login_name) -{ - semanage_handle_t *handle = NULL; - semanage_seuser_key_t *key = NULL; - int ret; - int exists = 0; - - handle = sss_semanage_init(); - if (!handle) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot init SELinux management\n"); - ret = EIO; - goto done; - } - - ret = semanage_seuser_key_create(handle, login_name, &key); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot create SELinux user key\n"); - ret = EIO; - goto done; - } - - ret = semanage_seuser_exists(handle, key, &exists); - if (ret < 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot verify the SELinux user\n"); - ret = EIO; - goto done; - } - - if (!exists) { - DEBUG(SSSDBG_FUNC_DATA, - "Login mapping for %s is not defined, OK if default mapping " - "was used\n", login_name); - ret = EOK; /* probably default mapping */ - goto done; - } - - ret = semanage_seuser_exists_local(handle, key, &exists); - if (ret < 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot verify the SELinux user\n"); - ret = EIO; - goto done; - } - - if (!exists) { - DEBUG(SSSDBG_CRIT_FAILURE, "Login mapping for %s is defined in policy, " - "cannot be deleted", login_name); - ret = ENOENT; - goto done; - } - - ret = semanage_seuser_del_local(handle, key); - if (ret != 0) { - DEBUG(SSSDBG_CRIT_FAILURE, - "Could not delete login mapping for %s", login_name); - ret = EIO; - goto done; - } - - ret = semanage_commit(handle); - if (ret < 0) { - DEBUG(SSSDBG_CRIT_FAILURE, "Cannot commit SELinux transaction\n"); - ret = EIO; - goto done; - } - - ret = EOK; -done: - semanage_handle_destroy(handle); - return ret; -} - -#else /* HAVE_SEMANAGE */ -int set_seuser(const char *login_name, const char *seuser_name) -{ - return EOK; -} - -int del_seuser(const char *login_name) -{ - return EOK; -} -#endif /* HAVE_SEMANAGE */ |