| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include <getopt.h> |
| |
| #include "sd-bus.h" |
| #include "sd-device.h" |
| |
| #include "build.h" |
| #include "bus-error.h" |
| #include "bus-locator.h" |
| #include "bus-unit-util.h" |
| #include "bus-wait-for-jobs.h" |
| #include "chase-symlinks.h" |
| #include "device-util.h" |
| #include "dirent-util.h" |
| #include "escape.h" |
| #include "fd-util.h" |
| #include "fileio.h" |
| #include "format-table.h" |
| #include "format-util.h" |
| #include "fs-util.h" |
| #include "fstab-util.h" |
| #include "libmount-util.h" |
| #include "main-func.h" |
| #include "mount-util.h" |
| #include "mountpoint-util.h" |
| #include "pager.h" |
| #include "parse-argument.h" |
| #include "parse-util.h" |
| #include "path-util.h" |
| #include "pretty-print.h" |
| #include "process-util.h" |
| #include "sort-util.h" |
| #include "spawn-polkit-agent.h" |
| #include "stat-util.h" |
| #include "strv.h" |
| #include "terminal-util.h" |
| #include "unit-def.h" |
| #include "unit-name.h" |
| #include "user-util.h" |
| |
| enum { |
| ACTION_DEFAULT, |
| ACTION_MOUNT, |
| ACTION_AUTOMOUNT, |
| ACTION_UMOUNT, |
| ACTION_LIST, |
| } arg_action = ACTION_DEFAULT; |
| |
| static bool arg_no_block = false; |
| static PagerFlags arg_pager_flags = 0; |
| static bool arg_legend = true; |
| static bool arg_full = false; |
| static bool arg_ask_password = true; |
| static bool arg_quiet = false; |
| static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; |
| static bool arg_user = false; |
| static const char *arg_host = NULL; |
| static bool arg_discover = false; |
| static char *arg_mount_what = NULL; |
| static char *arg_mount_where = NULL; |
| static char *arg_mount_type = NULL; |
| static char *arg_mount_options = NULL; |
| static char *arg_description = NULL; |
| static char **arg_property = NULL; |
| static usec_t arg_timeout_idle = USEC_INFINITY; |
| static bool arg_timeout_idle_set = false; |
| static char **arg_automount_property = NULL; |
| static int arg_bind_device = -1; |
| static uid_t arg_uid = UID_INVALID; |
| static gid_t arg_gid = GID_INVALID; |
| static bool arg_fsck = true; |
| static bool arg_aggressive_gc = false; |
| |
| STATIC_DESTRUCTOR_REGISTER(arg_mount_what, freep); |
| STATIC_DESTRUCTOR_REGISTER(arg_mount_where, freep); |
| STATIC_DESTRUCTOR_REGISTER(arg_mount_type, freep); |
| STATIC_DESTRUCTOR_REGISTER(arg_mount_options, freep); |
| STATIC_DESTRUCTOR_REGISTER(arg_description, freep); |
| STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep); |
| STATIC_DESTRUCTOR_REGISTER(arg_automount_property, strv_freep); |
| |
| static int help(void) { |
| _cleanup_free_ char *link = NULL; |
| int r; |
| |
| r = terminal_urlify_man("systemd-mount", "1", &link); |
| if (r < 0) |
| return log_oom(); |
| |
| printf("systemd-mount [OPTIONS...] WHAT [WHERE]\n" |
| "systemd-mount [OPTIONS...] --list\n" |
| "%s [OPTIONS...] %sWHAT|WHERE...\n\n" |
| "Establish a mount or auto-mount point transiently.\n\n" |
| " -h --help Show this help\n" |
| " --version Show package version\n" |
| " --no-block Do not wait until operation finished\n" |
| " --no-pager Do not pipe output into a pager\n" |
| " --no-legend Do not show the headers\n" |
| " -l --full Do not ellipsize output\n" |
| " --no-ask-password Do not prompt for password\n" |
| " -q --quiet Suppress information messages during runtime\n" |
| " --user Run as user unit\n" |
| " -H --host=[USER@]HOST Operate on remote host\n" |
| " -M --machine=CONTAINER Operate on local container\n" |
| " --discover Discover mount device metadata\n" |
| " -t --type=TYPE File system type\n" |
| " -o --options=OPTIONS Mount options\n" |
| " --owner=USER Add uid= and gid= options for USER\n" |
| " --fsck=no Don't run file system check before mount\n" |
| " --description=TEXT Description for unit\n" |
| " -p --property=NAME=VALUE Set mount unit property\n" |
| " -A --automount=BOOL Create an auto-mount point\n" |
| " --timeout-idle-sec=SEC Specify automount idle timeout\n" |
| " --automount-property=NAME=VALUE\n" |
| " Set automount unit property\n" |
| " --bind-device Bind automount unit to device\n" |
| " --list List mountable block devices\n" |
| " -u --umount Unmount mount points\n" |
| " -G --collect Unload unit after it stopped, even when failed\n" |
| "\nSee the %s for details.\n", |
| program_invocation_short_name, |
| streq(program_invocation_short_name, "systemd-umount") ? "" : "--umount ", |
| link); |
| |
| return 0; |
| } |
| |
| static int parse_argv(int argc, char *argv[]) { |
| |
| enum { |
| ARG_VERSION = 0x100, |
| ARG_NO_BLOCK, |
| ARG_NO_PAGER, |
| ARG_NO_LEGEND, |
| ARG_NO_ASK_PASSWORD, |
| ARG_USER, |
| ARG_SYSTEM, |
| ARG_DISCOVER, |
| ARG_MOUNT_TYPE, |
| ARG_MOUNT_OPTIONS, |
| ARG_OWNER, |
| ARG_FSCK, |
| ARG_DESCRIPTION, |
| ARG_TIMEOUT_IDLE, |
| ARG_AUTOMOUNT, |
| ARG_AUTOMOUNT_PROPERTY, |
| ARG_BIND_DEVICE, |
| ARG_LIST, |
| }; |
| |
| static const struct option options[] = { |
| { "help", no_argument, NULL, 'h' }, |
| { "version", no_argument, NULL, ARG_VERSION }, |
| { "no-block", no_argument, NULL, ARG_NO_BLOCK }, |
| { "no-pager", no_argument, NULL, ARG_NO_PAGER }, |
| { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, |
| { "full", no_argument, NULL, 'l' }, |
| { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, |
| { "quiet", no_argument, NULL, 'q' }, |
| { "user", no_argument, NULL, ARG_USER }, |
| { "system", no_argument, NULL, ARG_SYSTEM }, |
| { "host", required_argument, NULL, 'H' }, |
| { "machine", required_argument, NULL, 'M' }, |
| { "discover", no_argument, NULL, ARG_DISCOVER }, |
| { "type", required_argument, NULL, 't' }, |
| { "options", required_argument, NULL, 'o' }, |
| { "owner", required_argument, NULL, ARG_OWNER }, |
| { "fsck", required_argument, NULL, ARG_FSCK }, |
| { "description", required_argument, NULL, ARG_DESCRIPTION }, |
| { "property", required_argument, NULL, 'p' }, |
| { "automount", required_argument, NULL, ARG_AUTOMOUNT }, |
| { "timeout-idle-sec", required_argument, NULL, ARG_TIMEOUT_IDLE }, |
| { "automount-property", required_argument, NULL, ARG_AUTOMOUNT_PROPERTY }, |
| { "bind-device", no_argument, NULL, ARG_BIND_DEVICE }, |
| { "list", no_argument, NULL, ARG_LIST }, |
| { "umount", no_argument, NULL, 'u' }, |
| { "unmount", no_argument, NULL, 'u' }, |
| { "collect", no_argument, NULL, 'G' }, |
| {}, |
| }; |
| |
| int r, c; |
| |
| assert(argc >= 0); |
| assert(argv); |
| |
| if (invoked_as(argv, "systemd-umount")) |
| arg_action = ACTION_UMOUNT; |
| |
| while ((c = getopt_long(argc, argv, "hqH:M:t:o:p:AuGl", options, NULL)) >= 0) |
| |
| switch (c) { |
| |
| case 'h': |
| return help(); |
| |
| case ARG_VERSION: |
| return version(); |
| |
| case ARG_NO_BLOCK: |
| arg_no_block = true; |
| break; |
| |
| case ARG_NO_PAGER: |
| arg_pager_flags |= PAGER_DISABLE; |
| break; |
| |
| case ARG_NO_LEGEND: |
| arg_legend = false; |
| break; |
| |
| case 'l': |
| arg_full = true; |
| break; |
| |
| case ARG_NO_ASK_PASSWORD: |
| arg_ask_password = false; |
| break; |
| |
| case 'q': |
| arg_quiet = true; |
| break; |
| |
| case ARG_USER: |
| arg_user = true; |
| break; |
| |
| case ARG_SYSTEM: |
| arg_user = false; |
| break; |
| |
| case 'H': |
| arg_transport = BUS_TRANSPORT_REMOTE; |
| arg_host = optarg; |
| break; |
| |
| case 'M': |
| arg_transport = BUS_TRANSPORT_MACHINE; |
| arg_host = optarg; |
| break; |
| |
| case ARG_DISCOVER: |
| arg_discover = true; |
| break; |
| |
| case 't': |
| r = free_and_strdup_warn(&arg_mount_type, optarg); |
| if (r < 0) |
| return r; |
| break; |
| |
| case 'o': |
| r = free_and_strdup_warn(&arg_mount_options, optarg); |
| if (r < 0) |
| return r; |
| break; |
| |
| case ARG_OWNER: { |
| const char *user = optarg; |
| |
| r = get_user_creds(&user, &arg_uid, &arg_gid, NULL, NULL, 0); |
| if (r < 0) |
| return log_error_errno(r, |
| r == -EBADMSG ? "UID or GID of user %s are invalid." |
| : "Cannot use \"%s\" as owner: %m", |
| optarg); |
| break; |
| } |
| |
| case ARG_FSCK: |
| r = parse_boolean_argument("--fsck=", optarg, &arg_fsck); |
| if (r < 0) |
| return r; |
| break; |
| |
| case ARG_DESCRIPTION: |
| r = free_and_strdup_warn(&arg_description, optarg); |
| if (r < 0) |
| return r; |
| break; |
| |
| case 'p': |
| if (strv_extend(&arg_property, optarg) < 0) |
| return log_oom(); |
| |
| break; |
| |
| case 'A': |
| arg_action = ACTION_AUTOMOUNT; |
| break; |
| |
| case ARG_AUTOMOUNT: |
| r = parse_boolean_argument("--automount=", optarg, NULL); |
| if (r < 0) |
| return r; |
| |
| arg_action = r ? ACTION_AUTOMOUNT : ACTION_MOUNT; |
| break; |
| |
| case ARG_TIMEOUT_IDLE: |
| r = parse_sec(optarg, &arg_timeout_idle); |
| if (r < 0) |
| return log_error_errno(r, "Failed to parse timeout: %s", optarg); |
| |
| break; |
| |
| case ARG_AUTOMOUNT_PROPERTY: |
| if (strv_extend(&arg_automount_property, optarg) < 0) |
| return log_oom(); |
| |
| break; |
| |
| case ARG_BIND_DEVICE: |
| arg_bind_device = true; |
| break; |
| |
| case ARG_LIST: |
| arg_action = ACTION_LIST; |
| break; |
| |
| case 'u': |
| arg_action = ACTION_UMOUNT; |
| break; |
| |
| case 'G': |
| arg_aggressive_gc = true; |
| break; |
| |
| case '?': |
| return -EINVAL; |
| |
| default: |
| assert_not_reached(); |
| } |
| |
| if (arg_user) |
| arg_ask_password = false; |
| |
| if (arg_user && arg_transport != BUS_TRANSPORT_LOCAL) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Execution in user context is not supported on non-local systems."); |
| |
| if (arg_action == ACTION_LIST) { |
| if (optind < argc) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Too many arguments."); |
| |
| if (arg_transport != BUS_TRANSPORT_LOCAL) |
| return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), |
| "Listing devices only supported locally."); |
| } else if (arg_action == ACTION_UMOUNT) { |
| if (optind >= argc) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "At least one argument required."); |
| |
| if (arg_transport != BUS_TRANSPORT_LOCAL) { |
| int i; |
| |
| for (i = optind; i < argc; i++) |
| if (!path_is_absolute(argv[i]) ) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Only absolute path is supported: %s", argv[i]); |
| } |
| } else { |
| if (optind >= argc) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "At least one argument required."); |
| |
| if (argc > optind+2) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "At most two arguments required."); |
| |
| if (arg_mount_type && !fstype_is_blockdev_backed(arg_mount_type)) { |
| arg_mount_what = strdup(argv[optind]); |
| if (!arg_mount_what) |
| return log_oom(); |
| |
| } else if (arg_transport == BUS_TRANSPORT_LOCAL) { |
| _cleanup_free_ char *u = NULL; |
| |
| u = fstab_node_to_udev_node(argv[optind]); |
| if (!u) |
| return log_oom(); |
| |
| r = chase_symlinks(u, NULL, 0, &arg_mount_what, NULL); |
| if (r < 0) |
| return log_error_errno(r, "Failed to make path %s absolute: %m", u); |
| } else { |
| arg_mount_what = strdup(argv[optind]); |
| if (!arg_mount_what) |
| return log_oom(); |
| |
| path_simplify(arg_mount_what); |
| |
| if (!path_is_absolute(arg_mount_what)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Only absolute path is supported: %s", arg_mount_what); |
| } |
| |
| if (argc > optind+1) { |
| if (arg_transport == BUS_TRANSPORT_LOCAL) { |
| r = chase_symlinks(argv[optind+1], NULL, CHASE_NONEXISTENT, &arg_mount_where, NULL); |
| if (r < 0) |
| return log_error_errno(r, "Failed to make path %s absolute: %m", argv[optind+1]); |
| } else { |
| arg_mount_where = strdup(argv[optind+1]); |
| if (!arg_mount_where) |
| return log_oom(); |
| |
| path_simplify(arg_mount_where); |
| |
| if (!path_is_absolute(arg_mount_where)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Only absolute path is supported: %s", arg_mount_where); |
| } |
| } else |
| arg_discover = true; |
| |
| if (arg_discover && arg_transport != BUS_TRANSPORT_LOCAL) |
| return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), |
| "Automatic mount location discovery is only supported locally."); |
| } |
| |
| return 1; |
| } |
| |
| static int transient_unit_set_properties(sd_bus_message *m, UnitType t, char **properties) { |
| int r; |
| |
| if (!isempty(arg_description)) { |
| r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description); |
| if (r < 0) |
| return r; |
| } |
| |
| if (arg_bind_device && is_device_path(arg_mount_what)) { |
| _cleanup_free_ char *device_unit = NULL; |
| |
| r = unit_name_from_path(arg_mount_what, ".device", &device_unit); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(m, "(sv)(sv)", |
| "After", "as", 1, device_unit, |
| "BindsTo", "as", 1, device_unit); |
| if (r < 0) |
| return r; |
| } |
| |
| if (arg_aggressive_gc) { |
| r = sd_bus_message_append(m, "(sv)", "CollectMode", "s", "inactive-or-failed"); |
| if (r < 0) |
| return r; |
| } |
| |
| r = bus_append_unit_property_assignment_many(m, t, properties); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static int transient_mount_set_properties(sd_bus_message *m) { |
| _cleanup_free_ char *options = NULL; |
| int r; |
| |
| assert(m); |
| |
| r = transient_unit_set_properties(m, UNIT_MOUNT, arg_property); |
| if (r < 0) |
| return r; |
| |
| if (arg_mount_what) { |
| r = sd_bus_message_append(m, "(sv)", "What", "s", arg_mount_what); |
| if (r < 0) |
| return r; |
| } |
| |
| if (arg_mount_type) { |
| r = sd_bus_message_append(m, "(sv)", "Type", "s", arg_mount_type); |
| if (r < 0) |
| return r; |
| } |
| |
| /* Prepend uid=…,gid=… if arg_uid is set */ |
| if (arg_uid != UID_INVALID) { |
| r = asprintf(&options, |
| "uid=" UID_FMT ",gid=" GID_FMT "%s%s", |
| arg_uid, arg_gid, |
| arg_mount_options ? "," : "", strempty(arg_mount_options)); |
| if (r < 0) |
| return -ENOMEM; |
| } |
| |
| if (options || arg_mount_options) { |
| log_debug("Using mount options: %s", options ?: arg_mount_options); |
| |
| r = sd_bus_message_append(m, "(sv)", "Options", "s", options ?: arg_mount_options); |
| if (r < 0) |
| return r; |
| } else |
| log_debug("Not using any mount options"); |
| |
| if (arg_fsck) { |
| _cleanup_free_ char *fsck = NULL; |
| |
| r = unit_name_from_path_instance("systemd-fsck", arg_mount_what, ".service", &fsck); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(m, |
| "(sv)(sv)", |
| "Requires", "as", 1, fsck, |
| "After", "as", 1, fsck); |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int transient_automount_set_properties(sd_bus_message *m) { |
| int r; |
| |
| assert(m); |
| |
| r = transient_unit_set_properties(m, UNIT_AUTOMOUNT, arg_automount_property); |
| if (r < 0) |
| return r; |
| |
| if (arg_timeout_idle != USEC_INFINITY) { |
| r = sd_bus_message_append(m, "(sv)", "TimeoutIdleUSec", "t", arg_timeout_idle); |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int start_transient_mount( |
| sd_bus *bus, |
| char **argv) { |
| |
| _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
| _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; |
| _cleanup_free_ char *mount_unit = NULL; |
| int r; |
| |
| if (!arg_no_block) { |
| r = bus_wait_for_jobs_new(bus, &w); |
| if (r < 0) |
| return log_error_errno(r, "Could not watch jobs: %m"); |
| } |
| |
| r = unit_name_from_path(arg_mount_where, ".mount", &mount_unit); |
| if (r < 0) |
| return log_error_errno(r, "Failed to make mount unit name: %m"); |
| |
| r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| /* Name and mode */ |
| r = sd_bus_message_append(m, "ss", mount_unit, "fail"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| /* Properties */ |
| r = sd_bus_message_open_container(m, 'a', "(sv)"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = transient_mount_set_properties(m); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_close_container(m); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| /* Auxiliary units */ |
| r = sd_bus_message_append(m, "a(sa(sv))", 0); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
| |
| r = sd_bus_call(bus, m, 0, &error, &reply); |
| if (r < 0) |
| return log_error_errno(r, "Failed to start transient mount unit: %s", bus_error_message(&error, r)); |
| |
| if (w) { |
| const char *object; |
| |
| r = sd_bus_message_read(reply, "o", &object); |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| r = bus_wait_for_jobs_one(w, object, arg_quiet, NULL); |
| if (r < 0) |
| return r; |
| } |
| |
| if (!arg_quiet) |
| log_info("Started unit %s%s%s for mount point: %s%s%s", |
| ansi_highlight(), mount_unit, ansi_normal(), |
| ansi_highlight(), arg_mount_where, ansi_normal()); |
| |
| return 0; |
| } |
| |
| static int start_transient_automount( |
| sd_bus *bus, |
| char **argv) { |
| |
| _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
| _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; |
| _cleanup_free_ char *automount_unit = NULL, *mount_unit = NULL; |
| int r; |
| |
| if (!arg_no_block) { |
| r = bus_wait_for_jobs_new(bus, &w); |
| if (r < 0) |
| return log_error_errno(r, "Could not watch jobs: %m"); |
| } |
| |
| r = unit_name_from_path(arg_mount_where, ".automount", &automount_unit); |
| if (r < 0) |
| return log_error_errno(r, "Failed to make automount unit name: %m"); |
| |
| r = unit_name_from_path(arg_mount_where, ".mount", &mount_unit); |
| if (r < 0) |
| return log_error_errno(r, "Failed to make mount unit name: %m"); |
| |
| r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| /* Name and mode */ |
| r = sd_bus_message_append(m, "ss", automount_unit, "fail"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| /* Properties */ |
| r = sd_bus_message_open_container(m, 'a', "(sv)"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = transient_automount_set_properties(m); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_close_container(m); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| /* Auxiliary units */ |
| r = sd_bus_message_open_container(m, 'a', "(sa(sv))"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_open_container(m, 'r', "sa(sv)"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_append(m, "s", mount_unit); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_open_container(m, 'a', "(sv)"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = transient_mount_set_properties(m); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_close_container(m); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_close_container(m); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_close_container(m); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
| |
| r = sd_bus_call(bus, m, 0, &error, &reply); |
| if (r < 0) |
| return log_error_errno(r, "Failed to start transient automount unit: %s", bus_error_message(&error, r)); |
| |
| if (w) { |
| const char *object; |
| |
| r = sd_bus_message_read(reply, "o", &object); |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| r = bus_wait_for_jobs_one(w, object, arg_quiet, NULL); |
| if (r < 0) |
| return r; |
| } |
| |
| if (!arg_quiet) |
| log_info("Started unit %s%s%s for mount point: %s%s%s", |
| ansi_highlight(), automount_unit, ansi_normal(), |
| ansi_highlight(), arg_mount_where, ansi_normal()); |
| |
| return 0; |
| } |
| |
| static int find_mount_points(const char *what, char ***list) { |
| _cleanup_(mnt_free_tablep) struct libmnt_table *table = NULL; |
| _cleanup_(mnt_free_iterp) struct libmnt_iter *iter = NULL; |
| _cleanup_strv_free_ char **l = NULL; |
| size_t n = 0; |
| int r; |
| |
| assert(what); |
| assert(list); |
| |
| /* Returns all mount points obtained from /proc/self/mountinfo in *list, |
| * and the number of mount points as return value. */ |
| |
| r = libmount_parse(NULL, NULL, &table, &iter); |
| if (r < 0) |
| return log_error_errno(r, "Failed to parse /proc/self/mountinfo: %m"); |
| |
| for (;;) { |
| struct libmnt_fs *fs; |
| const char *source, *target; |
| |
| r = mnt_table_next_fs(table, iter, &fs); |
| if (r == 1) |
| break; |
| if (r < 0) |
| return log_error_errno(r, "Failed to get next entry from /proc/self/mountinfo: %m"); |
| |
| source = mnt_fs_get_source(fs); |
| target = mnt_fs_get_target(fs); |
| if (!source || !target) |
| continue; |
| |
| if (!path_equal(source, what)) |
| continue; |
| |
| /* one extra slot is needed for the terminating NULL */ |
| if (!GREEDY_REALLOC0(l, n + 2)) |
| return log_oom(); |
| |
| l[n] = strdup(target); |
| if (!l[n]) |
| return log_oom(); |
| n++; |
| } |
| |
| if (!GREEDY_REALLOC0(l, n + 1)) |
| return log_oom(); |
| |
| *list = TAKE_PTR(l); |
| return n; |
| } |
| |
| static int find_loop_device(const char *backing_file, sd_device **ret) { |
| _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL; |
| sd_device *dev; |
| int r; |
| |
| assert(backing_file); |
| assert(ret); |
| |
| r = sd_device_enumerator_new(&e); |
| if (r < 0) |
| return log_oom(); |
| |
| r = sd_device_enumerator_add_match_subsystem(e, "block", /* match = */ true); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add subsystem match: %m"); |
| |
| r = sd_device_enumerator_add_match_property(e, "ID_FS_USAGE", "filesystem"); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add property match: %m"); |
| |
| r = sd_device_enumerator_add_match_sysname(e, "loop*"); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add sysname match: %m"); |
| |
| r = sd_device_enumerator_add_match_sysattr(e, "loop/backing_file", /* value = */ NULL, /* match = */ true); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add sysattr match: %m"); |
| |
| FOREACH_DEVICE(e, dev) { |
| const char *s; |
| |
| r = sd_device_get_sysattr_value(dev, "loop/backing_file", &s); |
| if (r < 0) { |
| log_device_debug_errno(dev, r, "Failed to read \"loop/backing_file\" sysattr, ignoring: %m"); |
| continue; |
| } |
| |
| if (files_same(s, backing_file, 0) <= 0) |
| continue; |
| |
| *ret = sd_device_ref(dev); |
| return 0; |
| } |
| |
| return -ENXIO; |
| } |
| |
| static int stop_mount( |
| sd_bus *bus, |
| const char *where, |
| const char *suffix) { |
| |
| _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
| _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; |
| _cleanup_free_ char *mount_unit = NULL; |
| int r; |
| |
| if (!arg_no_block) { |
| r = bus_wait_for_jobs_new(bus, &w); |
| if (r < 0) |
| return log_error_errno(r, "Could not watch jobs: %m"); |
| } |
| |
| r = unit_name_from_path(where, suffix, &mount_unit); |
| if (r < 0) |
| return log_error_errno(r, "Failed to make %s unit name from path %s: %m", suffix + 1, where); |
| |
| r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StopUnit"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| /* Name and mode */ |
| r = sd_bus_message_append(m, "ss", mount_unit, "fail"); |
| if (r < 0) |
| return bus_log_create_error(r); |
| |
| polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
| |
| r = sd_bus_call(bus, m, 0, &error, &reply); |
| if (r < 0) { |
| if (streq(suffix, ".automount") && |
| sd_bus_error_has_name(&error, "org.freedesktop.systemd1.NoSuchUnit")) |
| return 0; |
| return log_error_errno(r, "Failed to stop %s unit: %s", suffix + 1, bus_error_message(&error, r)); |
| } |
| |
| if (w) { |
| const char *object; |
| |
| r = sd_bus_message_read(reply, "o", &object); |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| r = bus_wait_for_jobs_one(w, object, arg_quiet, NULL); |
| if (r < 0) |
| return r; |
| } |
| |
| if (!arg_quiet) |
| log_info("Stopped unit %s%s%s for mount point: %s%s%s", |
| ansi_highlight(), mount_unit, ansi_normal(), |
| ansi_highlight(), where, ansi_normal()); |
| |
| return 0; |
| } |
| |
| static int stop_mounts( |
| sd_bus *bus, |
| const char *where) { |
| |
| int r; |
| |
| if (path_equal(where, "/")) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Refusing to operate on root directory: %s", where); |
| |
| if (!path_is_normalized(where)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Path contains non-normalized components: %s", where); |
| |
| r = stop_mount(bus, where, ".mount"); |
| if (r < 0) |
| return r; |
| |
| r = stop_mount(bus, where, ".automount"); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static int umount_by_device(sd_bus *bus, sd_device *dev) { |
| _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
| _cleanup_strv_free_ char **list = NULL; |
| const char *v; |
| int r, ret = 0; |
| |
| assert(bus); |
| assert(dev); |
| |
| if (sd_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE", &v) >= 0) |
| ret = stop_mounts(bus, v); |
| |
| r = sd_device_get_devname(dev, &v); |
| if (r < 0) |
| return r; |
| |
| r = find_mount_points(v, &list); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(l, list) { |
| r = stop_mounts(bus, *l); |
| if (r < 0) |
| ret = r; |
| } |
| |
| return ret; |
| } |
| |
| static int umount_by_device_node(sd_bus *bus, const char *node) { |
| _cleanup_(sd_device_unrefp) sd_device *dev = NULL; |
| const char *v; |
| int r; |
| |
| assert(bus); |
| assert(node); |
| |
| r = sd_device_new_from_devname(&dev, node); |
| if (r < 0) |
| return log_error_errno(r, "Failed to get device from %s: %m", node); |
| |
| r = sd_device_get_property_value(dev, "ID_FS_USAGE", &v); |
| if (r < 0) |
| return log_device_error_errno(dev, r, "Failed to get \"ID_FS_USAGE\" device property: %m"); |
| |
| if (!streq(v, "filesystem")) |
| return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), |
| "%s does not contain a known file system.", node); |
| |
| return umount_by_device(bus, dev); |
| } |
| |
| static int umount_loop(sd_bus *bus, const char *backing_file) { |
| _cleanup_(sd_device_unrefp) sd_device *dev = NULL; |
| int r; |
| |
| assert(backing_file); |
| |
| r = find_loop_device(backing_file, &dev); |
| if (r < 0) |
| return log_error_errno(r, r == -ENXIO ? "File %s is not mounted." : "Can't get loop device for %s: %m", backing_file); |
| |
| return umount_by_device(bus, dev); |
| } |
| |
| static int action_umount( |
| sd_bus *bus, |
| int argc, |
| char **argv) { |
| |
| int i, r, r2 = 0; |
| |
| if (arg_transport != BUS_TRANSPORT_LOCAL) { |
| for (i = optind; i < argc; i++) { |
| _cleanup_free_ char *p = NULL; |
| |
| p = strdup(argv[i]); |
| if (!p) |
| return log_oom(); |
| |
| path_simplify(p); |
| |
| r = stop_mounts(bus, p); |
| if (r < 0) |
| r2 = r; |
| } |
| return r2; |
| } |
| |
| for (i = optind; i < argc; i++) { |
| _cleanup_free_ char *u = NULL, *p = NULL; |
| struct stat st; |
| |
| u = fstab_node_to_udev_node(argv[i]); |
| if (!u) |
| return log_oom(); |
| |
| r = chase_symlinks(u, NULL, 0, &p, NULL); |
| if (r < 0) { |
| r2 = log_error_errno(r, "Failed to make path %s absolute: %m", argv[i]); |
| continue; |
| } |
| |
| if (stat(p, &st) < 0) |
| return log_error_errno(errno, "Can't stat %s (from %s): %m", p, argv[i]); |
| |
| if (S_ISBLK(st.st_mode)) |
| r = umount_by_device_node(bus, p); |
| else if (S_ISREG(st.st_mode)) |
| r = umount_loop(bus, p); |
| else if (S_ISDIR(st.st_mode)) |
| r = stop_mounts(bus, p); |
| else { |
| log_error("Invalid file type: %s (from %s)", p, argv[i]); |
| r = -EINVAL; |
| } |
| |
| if (r < 0) |
| r2 = r; |
| } |
| |
| return r2; |
| } |
| |
| static int acquire_mount_type(sd_device *d) { |
| const char *v; |
| |
| assert(d); |
| |
| if (arg_mount_type) |
| return 0; |
| |
| if (sd_device_get_property_value(d, "ID_FS_TYPE", &v) < 0) |
| return 0; |
| |
| arg_mount_type = strdup(v); |
| if (!arg_mount_type) |
| return log_oom(); |
| |
| log_debug("Discovered type=%s", arg_mount_type); |
| return 1; |
| } |
| |
| static int acquire_mount_options(sd_device *d) { |
| const char *v; |
| |
| assert(d); |
| |
| if (arg_mount_options) |
| return 0; |
| |
| if (sd_device_get_property_value(d, "SYSTEMD_MOUNT_OPTIONS", &v) < 0) |
| return 0; |
| |
| arg_mount_options = strdup(v); |
| if (!arg_mount_options) |
| return log_oom(); |
| |
| log_debug("Discovered options=%s", arg_mount_options); |
| return 1; |
| } |
| |
| static const char *get_model(sd_device *d) { |
| const char *model; |
| |
| assert(d); |
| |
| if (sd_device_get_property_value(d, "ID_MODEL_FROM_DATABASE", &model) >= 0) |
| return model; |
| |
| if (sd_device_get_property_value(d, "ID_MODEL", &model) >= 0) |
| return model; |
| |
| return NULL; |
| } |
| |
| static const char* get_label(sd_device *d) { |
| const char *label; |
| |
| assert(d); |
| |
| if (sd_device_get_property_value(d, "ID_FS_LABEL", &label) >= 0) |
| return label; |
| |
| if (sd_device_get_property_value(d, "ID_PART_ENTRY_NAME", &label) >= 0) |
| return label; |
| |
| return NULL; |
| } |
| |
| static int acquire_mount_where(sd_device *d) { |
| const char *v; |
| int r; |
| |
| if (arg_mount_where) |
| return 0; |
| |
| if (sd_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE", &v) < 0) { |
| _cleanup_free_ char *escaped = NULL, *devname_bn = NULL; |
| const char *name; |
| |
| name = get_label(d); |
| if (!name) |
| name = get_model(d); |
| if (!name) { |
| const char *dn; |
| |
| if (sd_device_get_devname(d, &dn) < 0) |
| return 0; |
| |
| r = path_extract_filename(dn, &devname_bn); |
| if (r < 0) |
| return log_error_errno(r, "Failed to extract file name from '%s': %m", dn); |
| |
| name = devname_bn; |
| } |
| |
| escaped = xescape(name, "\\"); |
| if (!escaped) |
| return log_oom(); |
| if (!filename_is_valid(escaped)) |
| return 0; |
| |
| arg_mount_where = path_join("/run/media/system", escaped); |
| } else |
| arg_mount_where = strdup(v); |
| |
| if (!arg_mount_where) |
| return log_oom(); |
| |
| log_debug("Discovered where=%s", arg_mount_where); |
| return 1; |
| } |
| |
| static int acquire_mount_where_for_loop_dev(sd_device *dev) { |
| _cleanup_strv_free_ char **list = NULL; |
| const char *node; |
| int r; |
| |
| assert(dev); |
| |
| if (arg_mount_where) |
| return 0; |
| |
| r = sd_device_get_devname(dev, &node); |
| if (r < 0) |
| return r; |
| |
| r = find_mount_points(node, &list); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), |
| "Can't find mount point of %s. It is expected that %s is already mounted on a place.", |
| node, node); |
| if (r >= 2) |
| return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), |
| "%s is mounted on %d places. It is expected that %s is mounted on a place.", |
| node, r, node); |
| |
| arg_mount_where = strdup(list[0]); |
| if (!arg_mount_where) |
| return log_oom(); |
| |
| log_debug("Discovered where=%s", arg_mount_where); |
| return 1; |
| } |
| |
| static int acquire_description(sd_device *d) { |
| const char *model, *label; |
| |
| if (arg_description) |
| return 0; |
| |
| model = get_model(d); |
| |
| label = get_label(d); |
| if (!label) |
| (void) sd_device_get_property_value(d, "ID_PART_ENTRY_NUMBER", &label); |
| |
| if (model && label) |
| arg_description = strjoin(model, " ", label); |
| else if (label) |
| arg_description = strdup(label); |
| else if (model) |
| arg_description = strdup(model); |
| else |
| return 0; |
| |
| if (!arg_description) |
| return log_oom(); |
| |
| log_debug("Discovered description=%s", arg_description); |
| return 1; |
| } |
| |
| static int acquire_removable(sd_device *d) { |
| const char *v; |
| |
| /* Shortcut this if there's no reason to check it */ |
| if (arg_action != ACTION_DEFAULT && arg_timeout_idle_set && arg_bind_device >= 0) |
| return 0; |
| |
| for (;;) { |
| if (sd_device_get_sysattr_value(d, "removable", &v) >= 0) |
| break; |
| |
| if (sd_device_get_parent(d, &d) < 0) |
| return 0; |
| |
| if (sd_device_get_subsystem(d, &v) < 0 || !streq(v, "block")) |
| return 0; |
| } |
| |
| if (parse_boolean(v) <= 0) |
| return 0; |
| |
| log_debug("Discovered removable device."); |
| |
| if (arg_action == ACTION_DEFAULT) { |
| log_debug("Automatically turning on automount."); |
| arg_action = ACTION_AUTOMOUNT; |
| } |
| |
| if (!arg_timeout_idle_set) { |
| log_debug("Setting idle timeout to 1s."); |
| arg_timeout_idle = USEC_PER_SEC; |
| } |
| |
| if (arg_bind_device < 0) { |
| log_debug("Binding automount unit to device."); |
| arg_bind_device = true; |
| } |
| |
| return 1; |
| } |
| |
| static int discover_loop_backing_file(void) { |
| _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
| int r; |
| |
| r = find_loop_device(arg_mount_what, &d); |
| if (r < 0 && r != -ENXIO) |
| return log_error_errno(errno, "Can't get loop device for %s: %m", arg_mount_what); |
| |
| if (r == -ENXIO) { |
| _cleanup_free_ char *escaped = NULL, *bn = NULL; |
| |
| if (arg_mount_where) |
| return 0; |
| |
| r = path_extract_filename(arg_mount_what, &bn); |
| if (r < 0) |
| return log_error_errno(r, "Failed to extract file name from backing file path '%s': %m", arg_mount_what); |
| |
| escaped = xescape(bn, "\\"); |
| if (!escaped) |
| return log_oom(); |
| if (!filename_is_valid(escaped)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Escaped name %s is not a valid filename.", |
| escaped); |
| |
| arg_mount_where = path_join("/run/media/system", escaped); |
| if (!arg_mount_where) |
| return log_oom(); |
| |
| log_debug("Discovered where=%s", arg_mount_where); |
| return 0; |
| } |
| |
| r = acquire_mount_type(d); |
| if (r < 0) |
| return r; |
| |
| r = acquire_mount_options(d); |
| if (r < 0) |
| return r; |
| |
| r = acquire_mount_where_for_loop_dev(d); |
| if (r < 0) |
| return r; |
| |
| r = acquire_description(d); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static int discover_device(void) { |
| _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
| struct stat st; |
| const char *v; |
| int r; |
| |
| if (stat(arg_mount_what, &st) < 0) |
| return log_error_errno(errno, "Can't stat %s: %m", arg_mount_what); |
| |
| if (S_ISREG(st.st_mode)) |
| return discover_loop_backing_file(); |
| |
| if (!S_ISBLK(st.st_mode)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Invalid file type: %s", |
| arg_mount_what); |
| |
| r = sd_device_new_from_stat_rdev(&d, &st); |
| if (r < 0) |
| return log_error_errno(r, "Failed to get device from device number: %m"); |
| |
| if (sd_device_get_property_value(d, "ID_FS_USAGE", &v) < 0 || !streq(v, "filesystem")) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "%s does not contain a known file system.", |
| arg_mount_what); |
| |
| r = acquire_mount_type(d); |
| if (r < 0) |
| return r; |
| |
| r = acquire_mount_options(d); |
| if (r < 0) |
| return r; |
| |
| r = acquire_mount_where(d); |
| if (r < 0) |
| return r; |
| |
| r = acquire_description(d); |
| if (r < 0) |
| return r; |
| |
| r = acquire_removable(d); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| enum { |
| COLUMN_NODE, |
| COLUMN_PATH, |
| COLUMN_MODEL, |
| COLUMN_WWN, |
| COLUMN_FSTYPE, |
| COLUMN_LABEL, |
| COLUMN_UUID, |
| _COLUMN_MAX, |
| }; |
| |
| static int list_devices(void) { |
| _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL; |
| _cleanup_(table_unrefp) Table *table = NULL; |
| sd_device *d; |
| unsigned c; |
| int r; |
| |
| r = sd_device_enumerator_new(&e); |
| if (r < 0) |
| return log_oom(); |
| |
| r = sd_device_enumerator_add_match_subsystem(e, "block", true); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add block match: %m"); |
| |
| r = sd_device_enumerator_add_match_property(e, "ID_FS_USAGE", "filesystem"); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add property match: %m"); |
| |
| table = table_new("NODE", "PATH", "MODEL", "WWN", "TYPE", "LABEL", "UUID"); |
| if (!table) |
| return log_oom(); |
| |
| if (arg_full) |
| table_set_width(table, 0); |
| |
| r = table_set_sort(table, (size_t) 0); |
| if (r < 0) |
| return log_error_errno(r, "Failed to set sort index: %m"); |
| |
| table_set_header(table, arg_legend); |
| |
| FOREACH_DEVICE(e, d) { |
| for (c = 0; c < _COLUMN_MAX; c++) { |
| const char *x = NULL; |
| |
| switch (c) { |
| |
| case COLUMN_NODE: |
| (void) sd_device_get_devname(d, &x); |
| break; |
| |
| case COLUMN_PATH: |
| (void) sd_device_get_property_value(d, "ID_PATH", &x); |
| break; |
| |
| case COLUMN_MODEL: |
| x = get_model(d); |
| break; |
| |
| case COLUMN_WWN: |
| (void) sd_device_get_property_value(d, "ID_WWN", &x); |
| break; |
| |
| case COLUMN_FSTYPE: |
| (void) sd_device_get_property_value(d, "ID_FS_TYPE", &x); |
| break; |
| |
| case COLUMN_LABEL: |
| x = get_label(d); |
| break; |
| |
| case COLUMN_UUID: |
| (void) sd_device_get_property_value(d, "ID_FS_UUID", &x); |
| break; |
| } |
| |
| r = table_add_cell(table, NULL, c == COLUMN_NODE ? TABLE_PATH : TABLE_STRING, strna(x)); |
| if (r < 0) |
| return table_log_add_error(r); |
| } |
| } |
| |
| pager_open(arg_pager_flags); |
| |
| r = table_print(table, NULL); |
| if (r < 0) |
| return table_log_print_error(r); |
| |
| return 0; |
| } |
| |
| static int run(int argc, char* argv[]) { |
| _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
| int r; |
| |
| log_show_color(true); |
| log_parse_environment(); |
| log_open(); |
| |
| r = parse_argv(argc, argv); |
| if (r <= 0) |
| return r; |
| |
| if (arg_action == ACTION_LIST) |
| return list_devices(); |
| |
| r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus); |
| if (r < 0) |
| return bus_log_connect_error(r, arg_transport); |
| |
| if (arg_action == ACTION_UMOUNT) |
| return action_umount(bus, argc, argv); |
| |
| if ((!arg_mount_type || fstype_is_blockdev_backed(arg_mount_type)) |
| && !path_is_normalized(arg_mount_what)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Path contains non-normalized components: %s", |
| arg_mount_what); |
| |
| if (arg_discover) { |
| r = discover_device(); |
| if (r < 0) |
| return r; |
| } |
| |
| if (!arg_mount_where) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Can't figure out where to mount %s.", |
| arg_mount_what); |
| |
| if (path_equal(arg_mount_where, "/")) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Refusing to operate on root directory."); |
| |
| if (!path_is_normalized(arg_mount_where)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Path contains non-normalized components: %s", |
| arg_mount_where); |
| |
| if (streq_ptr(arg_mount_type, "auto")) |
| arg_mount_type = mfree(arg_mount_type); |
| if (streq_ptr(arg_mount_options, "defaults")) |
| arg_mount_options = mfree(arg_mount_options); |
| |
| if (!is_device_path(arg_mount_what)) |
| arg_fsck = false; |
| |
| if (arg_fsck && arg_mount_type && arg_transport == BUS_TRANSPORT_LOCAL) { |
| r = fsck_exists_for_fstype(arg_mount_type); |
| if (r < 0) |
| log_warning_errno(r, "Couldn't determine whether fsck for %s exists, proceeding anyway.", arg_mount_type); |
| else if (r == 0) { |
| log_debug("Disabling file system check as fsck for %s doesn't exist.", arg_mount_type); |
| arg_fsck = false; /* fsck doesn't exist, let's not attempt it */ |
| } |
| } |
| |
| /* The kernel (properly) refuses mounting file systems with unknown uid=,gid= options, |
| * but not for all filesystem types. Let's try to catch the cases where the option |
| * would be used if the file system does not support it. It is also possible to |
| * autodetect the file system, but that's only possible with disk-based file systems |
| * which incidentally seem to be implemented more carefully and reject unknown options, |
| * so it's probably OK that we do the check only when the type is specified. |
| */ |
| if (arg_mount_type && |
| !streq(arg_mount_type, "auto") && |
| arg_uid != UID_INVALID && |
| !fstype_can_uid_gid(arg_mount_type)) |
| return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), |
| "File system type %s is not known to support uid=/gid=, refusing.", |
| arg_mount_type); |
| |
| switch (arg_action) { |
| |
| case ACTION_MOUNT: |
| case ACTION_DEFAULT: |
| r = start_transient_mount(bus, argv + optind); |
| break; |
| |
| case ACTION_AUTOMOUNT: |
| r = start_transient_automount(bus, argv + optind); |
| break; |
| |
| default: |
| assert_not_reached(); |
| } |
| |
| return r; |
| } |
| |
| DEFINE_MAIN_FUNCTION(run); |
