C++ (Cpp) dm_prepare_selinux_context示例

示例#1

文件： file_locking.c 项目： vgmoose/lvm

int init_file_locking(struct locking_type *locking, struct cmd_context *cmd,
		      int suppress_messages)
{
	int r;
	const char *locking_dir;

	init_flock(cmd);

	locking->lock_resource = _file_lock_resource;
	locking->reset_locking = _reset_file_locking;
	locking->fin_locking = _fin_file_locking;
	locking->flags = 0;

	/* Get lockfile directory from config file */
	locking_dir = find_config_tree_str(cmd, global_locking_dir_CFG, NULL);
	if (strlen(locking_dir) >= sizeof(_lock_dir)) {
		log_error("Path for locking_dir %s is invalid.", locking_dir);
		return 0;
	}

	strcpy(_lock_dir, locking_dir);

	(void) dm_prepare_selinux_context(_lock_dir, S_IFDIR);
	r = dm_create_dir(_lock_dir);
	(void) dm_prepare_selinux_context(NULL, 0);

	if (!r)
		return 0;

	/* Trap a read-only file system */
	if ((access(_lock_dir, R_OK | W_OK | X_OK) == -1) && (errno == EROFS))
		return 0;

	return 1;
}

示例#2

文件： lvm2_activation_generator_systemd_red_hat.c 项目： Find7s/Lvm_for_Android

static int register_unit_with_target(const char *dir, const char *unit, const char *target)
{
	int r = 1;

	if (dm_snprintf(target_path, PATH_MAX, "%s/%s.wants", dir, target) < 0) {
		r = 0; goto out;
	}
	(void) dm_prepare_selinux_context(target_path, S_IFDIR);
	if (mkdir(target_path, 0755) < 0 && errno != EEXIST) {
		kmsg(LOG_ERR, "LVM: Failed to create target directory %s: %m.\n", target_path);
		r = 0; goto out;
	}

	if (dm_snprintf(target_path, PATH_MAX, "%s/%s.wants/%s", dir, target, unit) < 0) {
		r = 0; goto out;
	}
	(void) dm_prepare_selinux_context(target_path, S_IFLNK);
	if (symlink(unit_path, target_path) < 0) {
		kmsg(LOG_ERR, "LVM: Failed to create symlink for unit %s: %m.\n", unit);
		r = 0;
	}
out:
	dm_prepare_selinux_context(NULL, 0);
	return r;
}

示例#3

文件： clvmd-singlenode.c 项目： Rabsido/lvm2

static int init_comms(void)
{
	mode_t old_mask;
	struct sockaddr_un addr = { .sun_family = AF_UNIX };

	if (!dm_strncpy(addr.sun_path, SINGLENODE_CLVMD_SOCKNAME,
			sizeof(addr.sun_path))) {
		DEBUGLOG("%s: singlenode socket name too long.",
			 SINGLENODE_CLVMD_SOCKNAME);
		return -1;
	}

	close_comms();

	(void) dm_prepare_selinux_context(SINGLENODE_CLVMD_SOCKNAME, S_IFSOCK);
	old_mask = umask(0077);

	listen_fd = socket(PF_UNIX, SOCK_STREAM, 0);
	if (listen_fd < 0) {
		DEBUGLOG("Can't create local socket: %s\n", strerror(errno));
		goto error;
	}
	/* Set Close-on-exec */
	if (fcntl(listen_fd, F_SETFD, 1)) {
		DEBUGLOG("Setting CLOEXEC on client fd failed: %s\n", strerror(errno));
		goto error;
	}

	if (bind(listen_fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
		DEBUGLOG("Can't bind local socket: %s\n", strerror(errno));
		goto error;
	}
	if (listen(listen_fd, 10) < 0) {
		DEBUGLOG("Can't listen local socket: %s\n", strerror(errno));
		goto error;
	}

	umask(old_mask);
	(void) dm_prepare_selinux_context(NULL, 0);
	return 0;
error:
	umask(old_mask);
	(void) dm_prepare_selinux_context(NULL, 0);
	close_comms();
	return -1;
}