| /*** |
| This file is part of systemd. |
| |
| Copyright 2016 Lennart Poettering |
| |
| systemd is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| systemd 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <getopt.h> |
| |
| #include "libudev.h" |
| #include "sd-bus.h" |
| |
| #include "bus-error.h" |
| #include "bus-unit-util.h" |
| #include "bus-util.h" |
| #include "dirent-util.h" |
| #include "escape.h" |
| #include "fd-util.h" |
| #include "fileio.h" |
| #include "fstab-util.h" |
| #include "mount-util.h" |
| #include "pager.h" |
| #include "parse-util.h" |
| #include "path-util.h" |
| #include "spawn-polkit-agent.h" |
| #include "stat-util.h" |
| #include "strv.h" |
| #include "udev-util.h" |
| #include "unit-name.h" |
| #include "terminal-util.h" |
| |
| enum { |
| ACTION_DEFAULT, |
| ACTION_MOUNT, |
| ACTION_AUTOMOUNT, |
| ACTION_UMOUNT, |
| ACTION_LIST, |
| } arg_action = ACTION_DEFAULT; |
| |
| static bool arg_no_block = false; |
| static bool arg_no_pager = 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 bool arg_fsck = true; |
| |
| static void polkit_agent_open_if_enabled(void) { |
| |
| /* Open the polkit agent as a child process if necessary */ |
| if (!arg_ask_password) |
| return; |
| |
| if (arg_transport != BUS_TRANSPORT_LOCAL) |
| return; |
| |
| polkit_agent_open(); |
| } |
| |
| static void help(void) { |
| 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-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" |
| " --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", |
| program_invocation_short_name, |
| streq(program_invocation_short_name, "systemd-umount") ? "" : "--umount "); |
| } |
| |
| static int parse_argv(int argc, char *argv[]) { |
| |
| enum { |
| ARG_VERSION = 0x100, |
| ARG_NO_BLOCK, |
| ARG_NO_PAGER, |
| ARG_NO_ASK_PASSWORD, |
| ARG_USER, |
| ARG_SYSTEM, |
| ARG_DISCOVER, |
| ARG_MOUNT_TYPE, |
| ARG_MOUNT_OPTIONS, |
| 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-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' }, |
| { "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' }, |
| {}, |
| }; |
| |
| int r, c; |
| |
| assert(argc >= 0); |
| assert(argv); |
| |
| if (strstr(program_invocation_short_name, "systemd-umount")) |
| arg_action = ACTION_UMOUNT; |
| |
| while ((c = getopt_long(argc, argv, "hqH:M:t:o:p:Au", options, NULL)) >= 0) |
| |
| switch (c) { |
| |
| case 'h': |
| help(); |
| return 0; |
| |
| case ARG_VERSION: |
| return version(); |
| |
| case ARG_NO_BLOCK: |
| arg_no_block = true; |
| break; |
| |
| case ARG_NO_PAGER: |
| arg_no_pager = 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': |
| if (free_and_strdup(&arg_mount_type, optarg) < 0) |
| return log_oom(); |
| break; |
| |
| case 'o': |
| if (free_and_strdup(&arg_mount_options, optarg) < 0) |
| return log_oom(); |
| break; |
| |
| case ARG_FSCK: |
| r = parse_boolean(optarg); |
| if (r < 0) |
| return log_error_errno(r, "Failed to parse --fsck= argument: %s", optarg); |
| |
| arg_fsck = r; |
| break; |
| |
| case ARG_DESCRIPTION: |
| if (free_and_strdup(&arg_description, optarg) < 0) |
| return log_oom(); |
| 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(optarg); |
| if (r < 0) |
| return log_error_errno(r, "--automount= expects a valid boolean parameter: %s", optarg); |
| |
| 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 '?': |
| return -EINVAL; |
| |
| default: |
| assert_not_reached("Unhandled option"); |
| } |
| |
| if (arg_user && arg_transport != BUS_TRANSPORT_LOCAL) { |
| log_error("Execution in user context is not supported on non-local systems."); |
| return -EINVAL; |
| } |
| |
| if (arg_action == ACTION_LIST) { |
| if (optind < argc) { |
| log_error("Too many arguments."); |
| return -EINVAL; |
| } |
| |
| if (arg_transport != BUS_TRANSPORT_LOCAL) { |
| log_error("Listing devices only supported locally."); |
| return -EOPNOTSUPP; |
| } |
| } else if (arg_action == ACTION_UMOUNT) { |
| if (optind >= argc) { |
| log_error("At least one argument required."); |
| return -EINVAL; |
| } |
| |
| if (arg_transport != BUS_TRANSPORT_LOCAL) { |
| int i; |
| |
| for (i = optind; i < argc; i++) |
| if (!path_is_absolute(argv[i]) ) { |
| log_error("Only absolute path is supported: %s", argv[i]); |
| return -EINVAL; |
| } |
| } |
| } else { |
| if (optind >= argc) { |
| log_error("At least one argument required."); |
| return -EINVAL; |
| } |
| |
| if (argc > optind+2) { |
| log_error("At most two arguments required."); |
| return -EINVAL; |
| } |
| |
| if (arg_mount_type && (fstype_is_api_vfs(arg_mount_type) || fstype_is_network(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, *p = NULL; |
| |
| u = fstab_node_to_udev_node(argv[optind]); |
| if (!u) |
| return log_oom(); |
| |
| r = path_make_absolute_cwd(u, &p); |
| if (r < 0) |
| return log_error_errno(r, "Failed to make path absolute: %m"); |
| |
| arg_mount_what = canonicalize_file_name(p); |
| if (!arg_mount_what) |
| return log_error_errno(errno, "Failed to canonicalize path: %m"); |
| } else { |
| arg_mount_what = strdup(argv[optind]); |
| if (!arg_mount_what) |
| return log_oom(); |
| |
| path_kill_slashes(arg_mount_what); |
| |
| if (!path_is_absolute(arg_mount_what)) { |
| log_error("Only absolute path is supported: %s", arg_mount_what); |
| return -EINVAL; |
| } |
| } |
| |
| if (argc > optind+1) { |
| if (arg_transport == BUS_TRANSPORT_LOCAL) { |
| _cleanup_free_ char *p = NULL; |
| |
| r = path_make_absolute_cwd(argv[optind+1], &p); |
| if (r < 0) |
| return log_error_errno(r, "Failed to make path absolute: %m"); |
| |
| arg_mount_where = canonicalize_file_name(p); |
| if (!arg_mount_where) |
| return log_error_errno(errno, "Failed to canonicalize path: %m"); |
| |
| } else { |
| arg_mount_where = strdup(argv[optind+1]); |
| if (!arg_mount_where) |
| return log_oom(); |
| |
| path_kill_slashes(arg_mount_where); |
| |
| if (!path_is_absolute(arg_mount_where)) { |
| log_error("Only absolute path is supported: %s", arg_mount_where); |
| return -EINVAL; |
| } |
| } |
| } else |
| arg_discover = true; |
| |
| if (arg_discover && arg_transport != BUS_TRANSPORT_LOCAL) { |
| log_error("Automatic mount location discovery is only supported locally."); |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| return 1; |
| } |
| |
| static int transient_unit_set_properties(sd_bus_message *m, 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; |
| } |
| |
| r = bus_append_unit_property_assignment_many(m, properties); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static int transient_mount_set_properties(sd_bus_message *m) { |
| int r; |
| |
| assert(m); |
| |
| r = transient_unit_set_properties(m, 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; |
| } |
| |
| if (arg_mount_options) { |
| r = sd_bus_message_append(m, "(sv)", "Options", "s", arg_mount_options); |
| if (r < 0) |
| return r; |
| } |
| |
| 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, 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 = sd_bus_message_new_method_call( |
| bus, |
| &m, |
| "org.freedesktop.systemd1", |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "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(); |
| |
| 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); |
| 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 = sd_bus_message_new_method_call( |
| bus, |
| &m, |
| "org.freedesktop.systemd1", |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "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(); |
| |
| 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); |
| 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_fclose_ FILE *proc_self_mountinfo = NULL; |
| _cleanup_strv_free_ char **l = NULL; |
| size_t bufsize = 0, n = 0; |
| |
| assert(what); |
| assert(list); |
| |
| /* Returns all mount points obtained from /proc/self/mountinfo in *list, |
| * and the number of mount points as return value. */ |
| |
| proc_self_mountinfo = fopen("/proc/self/mountinfo", "re"); |
| if (!proc_self_mountinfo) |
| return log_error_errno(errno, "Can't open /proc/self/mountinfo: %m"); |
| |
| for (;;) { |
| _cleanup_free_ char *path = NULL, *where = NULL, *dev = NULL; |
| int r; |
| |
| r = fscanf(proc_self_mountinfo, |
| "%*s " /* (1) mount id */ |
| "%*s " /* (2) parent id */ |
| "%*s " /* (3) major:minor */ |
| "%*s " /* (4) root */ |
| "%ms " /* (5) mount point */ |
| "%*s" /* (6) mount options */ |
| "%*[^-]" /* (7) optional fields */ |
| "- " /* (8) separator */ |
| "%*s " /* (9) file system type */ |
| "%ms" /* (10) mount source */ |
| "%*s" /* (11) mount options 2 */ |
| "%*[^\n]", /* some rubbish at the end */ |
| &path, &dev); |
| if (r != 2) { |
| if (r == EOF) |
| break; |
| |
| continue; |
| } |
| |
| if (!streq(what, dev)) |
| continue; |
| |
| r = cunescape(path, UNESCAPE_RELAX, &where); |
| if (r < 0) |
| continue; |
| |
| /* one extra slot is needed for the terminating NULL */ |
| if (!GREEDY_REALLOC(l, bufsize, n + 2)) |
| return log_oom(); |
| |
| l[n++] = where; |
| where = NULL; |
| } |
| |
| if (!GREEDY_REALLOC(l, bufsize, n + 1)) |
| return log_oom(); |
| |
| l[n] = NULL; |
| *list = l; |
| l = NULL; /* avoid freeing */ |
| |
| return n; |
| } |
| |
| static int find_loop_device(const char *backing_file, char **loop_dev) { |
| _cleanup_closedir_ DIR *d = NULL; |
| struct dirent *de; |
| _cleanup_free_ char *l = NULL; |
| |
| assert(backing_file); |
| assert(loop_dev); |
| |
| d = opendir("/sys/devices/virtual/block"); |
| if (!d) |
| return -errno; |
| |
| FOREACH_DIRENT(de, d, return -errno) { |
| _cleanup_free_ char *sys = NULL, *fname = NULL; |
| int r; |
| |
| dirent_ensure_type(d, de); |
| |
| if (de->d_type != DT_DIR) |
| continue; |
| |
| if (!startswith(de->d_name, "loop")) |
| continue; |
| |
| sys = strjoin("/sys/devices/virtual/block/", de->d_name, "/loop/backing_file"); |
| if (!sys) |
| return -ENOMEM; |
| |
| r = read_one_line_file(sys, &fname); |
| if (r < 0) { |
| log_debug_errno(r, "Failed to read %s, ignoring: %m", sys); |
| continue; |
| } |
| |
| if (files_same(fname, backing_file, 0) <= 0) |
| continue; |
| |
| l = strjoin("/dev/", de->d_name); |
| if (!l) |
| return -ENOMEM; |
| |
| break; |
| } |
| |
| if (!l) |
| return -ENXIO; |
| |
| *loop_dev = l; |
| l = NULL; /* avoid freeing */ |
| |
| return 0; |
| } |
| |
| 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 mount unit name from path %s: %m", where); |
| |
| r = sd_bus_message_new_method_call( |
| bus, |
| &m, |
| "org.freedesktop.systemd1", |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "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(); |
| |
| r = sd_bus_call(bus, m, 0, &error, &reply); |
| if (r < 0) |
| return log_error_errno(r, "Failed to stop 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); |
| 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, "/")) { |
| log_error("Refusing to operate on root directory: %s", where); |
| return -EINVAL; |
| } |
| |
| if (!path_is_safe(where)) { |
| log_error("Path contains unsafe components: %s", where); |
| return -EINVAL; |
| } |
| |
| 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, const char *what) { |
| _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
| _cleanup_udev_unref_ struct udev *udev = NULL; |
| _cleanup_strv_free_ char **list = NULL; |
| struct stat st; |
| const char *v; |
| char **l; |
| int r, r2 = 0; |
| |
| assert(what); |
| |
| if (stat(what, &st) < 0) |
| return log_error_errno(errno, "Can't stat %s: %m", what); |
| |
| if (!S_ISBLK(st.st_mode)) { |
| log_error("Not a block device: %s", what); |
| return -ENOTBLK; |
| } |
| |
| udev = udev_new(); |
| if (!udev) |
| return log_oom(); |
| |
| d = udev_device_new_from_devnum(udev, 'b', st.st_rdev); |
| if (!d) |
| return log_oom(); |
| |
| v = udev_device_get_property_value(d, "ID_FS_USAGE"); |
| if (!streq_ptr(v, "filesystem")) { |
| log_error("%s does not contain a known file system.", what); |
| return -EINVAL; |
| } |
| |
| v = udev_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE"); |
| if (!isempty(v)) |
| r2 = stop_mounts(bus, v); |
| |
| r = find_mount_points(what, &list); |
| if (r < 0) |
| return r; |
| |
| for (l = list; *l; l++) { |
| r = stop_mounts(bus, *l); |
| if (r < 0) |
| r2 = r; |
| } |
| |
| return r2; |
| } |
| |
| static int umount_loop(sd_bus *bus, const char *backing_file) { |
| _cleanup_free_ char *loop_dev = NULL; |
| int r; |
| |
| assert(backing_file); |
| |
| r = find_loop_device(backing_file, &loop_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, loop_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_kill_slashes(p); |
| |
| r = stop_mounts(bus, p); |
| if (r < 0) |
| r2 = r; |
| } |
| return r2; |
| } |
| |
| for (i = optind; i < argc; i++) { |
| _cleanup_free_ char *u = NULL, *a = NULL, *p = NULL; |
| struct stat st; |
| |
| u = fstab_node_to_udev_node(argv[i]); |
| if (!u) |
| return log_oom(); |
| |
| r = path_make_absolute_cwd(u, &a); |
| if (r < 0) { |
| r2 = log_error_errno(r, "Failed to make path absolute: %m"); |
| continue; |
| } |
| |
| p = canonicalize_file_name(a); |
| |
| if (stat(p, &st) < 0) |
| return log_error_errno(errno, "Can't stat %s: %m", p); |
| |
| if (S_ISBLK(st.st_mode)) |
| r = umount_by_device(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", p); |
| r = -EINVAL; |
| } |
| |
| if (r < 0) |
| r2 = r; |
| } |
| |
| return r2; |
| } |
| |
| static int acquire_mount_type(struct udev_device *d) { |
| const char *v; |
| |
| assert(d); |
| |
| if (arg_mount_type) |
| return 0; |
| |
| v = udev_device_get_property_value(d, "ID_FS_TYPE"); |
| if (isempty(v)) |
| 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(struct udev_device *d) { |
| const char *v; |
| |
| if (arg_mount_options) |
| return 0; |
| |
| v = udev_device_get_property_value(d, "SYSTEMD_MOUNT_OPTIONS"); |
| if (isempty(v)) |
| 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(struct udev_device *d) { |
| const char *model; |
| |
| assert(d); |
| |
| model = udev_device_get_property_value(d, "ID_MODEL_FROM_DATABASE"); |
| if (model) |
| return model; |
| |
| return udev_device_get_property_value(d, "ID_MODEL"); |
| } |
| |
| static const char* get_label(struct udev_device *d) { |
| const char *label; |
| |
| assert(d); |
| |
| label = udev_device_get_property_value(d, "ID_FS_LABEL"); |
| if (label) |
| return label; |
| |
| return udev_device_get_property_value(d, "ID_PART_ENTRY_NAME"); |
| } |
| |
| static int acquire_mount_where(struct udev_device *d) { |
| const char *v; |
| |
| if (arg_mount_where) |
| return 0; |
| |
| v = udev_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE"); |
| if (isempty(v)) { |
| _cleanup_free_ char *escaped = NULL; |
| const char *name; |
| |
| name = get_label(d); |
| if (!name) |
| name = get_model(d); |
| if (!name) { |
| const char *dn; |
| |
| dn = udev_device_get_devnode(d); |
| if (!dn) |
| return 0; |
| |
| name = basename(dn); |
| } |
| |
| escaped = xescape(name, "\\"); |
| if (!escaped) |
| return log_oom(); |
| if (!filename_is_valid(escaped)) |
| return 0; |
| |
| arg_mount_where = strjoin("/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(const char *loop_dev) { |
| _cleanup_strv_free_ char **list = NULL; |
| int r; |
| |
| if (arg_mount_where) |
| return 0; |
| |
| r = find_mount_points(loop_dev, &list); |
| if (r < 0) |
| return r; |
| else if (r == 0) { |
| log_error("Can't find mount point of %s. It is expected that %s is already mounted on a place.", loop_dev, loop_dev); |
| return -EINVAL; |
| } else if (r >= 2) { |
| log_error("%s is mounted on %d places. It is expected that %s is mounted on a place.", loop_dev, r, loop_dev); |
| return -EINVAL; |
| } |
| |
| 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(struct udev_device *d) { |
| const char *model, *label; |
| |
| if (arg_description) |
| return 0; |
| |
| model = get_model(d); |
| |
| label = get_label(d); |
| if (!label) |
| label = udev_device_get_property_value(d, "ID_PART_ENTRY_NUMBER"); |
| |
| 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(struct udev_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 (;;) { |
| v = udev_device_get_sysattr_value(d, "removable"); |
| if (v) |
| break; |
| |
| d = udev_device_get_parent(d); |
| if (!d) |
| return 0; |
| |
| if (!streq_ptr(udev_device_get_subsystem(d), "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_udev_device_unref_ struct udev_device *d = NULL; |
| _cleanup_udev_unref_ struct udev *udev = NULL; |
| _cleanup_free_ char *loop_dev = NULL; |
| struct stat st; |
| const char *v; |
| int r; |
| |
| r = find_loop_device(arg_mount_what, &loop_dev); |
| 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; |
| |
| if (arg_mount_where) |
| return 0; |
| |
| escaped = xescape(basename(arg_mount_what), "\\"); |
| if (!escaped) |
| return log_oom(); |
| if (!filename_is_valid(escaped)) { |
| log_error("Escaped name %s is not a valid filename.", escaped); |
| return -EINVAL; |
| } |
| |
| arg_mount_where = strjoin("/run/media/system/", escaped); |
| if (!arg_mount_where) |
| return log_oom(); |
| |
| log_debug("Discovered where=%s", arg_mount_where); |
| return 0; |
| } |
| |
| if (stat(loop_dev, &st) < 0) |
| return log_error_errno(errno, "Can't stat %s: %m", loop_dev); |
| |
| if (!S_ISBLK(st.st_mode)) { |
| log_error("Invalid file type: %s", loop_dev); |
| return -EINVAL; |
| } |
| |
| udev = udev_new(); |
| if (!udev) |
| return log_oom(); |
| |
| d = udev_device_new_from_devnum(udev, 'b', st.st_rdev); |
| if (!d) |
| return log_oom(); |
| |
| v = udev_device_get_property_value(d, "ID_FS_USAGE"); |
| if (!streq_ptr(v, "filesystem")) { |
| log_error("%s does not contain a known file system.", arg_mount_what); |
| return -EINVAL; |
| } |
| |
| 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(loop_dev); |
| if (r < 0) |
| return r; |
| |
| r = acquire_description(d); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static int discover_device(void) { |
| _cleanup_udev_device_unref_ struct udev_device *d = NULL; |
| _cleanup_udev_unref_ struct udev *udev = 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)) { |
| log_error("Invalid file type: %s", arg_mount_what); |
| return -EINVAL; |
| } |
| |
| udev = udev_new(); |
| if (!udev) |
| return log_oom(); |
| |
| d = udev_device_new_from_devnum(udev, 'b', st.st_rdev); |
| if (!d) |
| return log_oom(); |
| |
| v = udev_device_get_property_value(d, "ID_FS_USAGE"); |
| if (!streq_ptr(v, "filesystem")) { |
| log_error("%s does not contain a known file system.", arg_mount_what); |
| return -EINVAL; |
| } |
| |
| 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, |
| }; |
| |
| struct item { |
| char* columns[_COLUMN_MAX]; |
| }; |
| |
| static int compare_item(const void *a, const void *b) { |
| const struct item *x = a, *y = b; |
| |
| if (x->columns[COLUMN_NODE] == y->columns[COLUMN_NODE]) |
| return 0; |
| if (!x->columns[COLUMN_NODE]) |
| return 1; |
| if (!y->columns[COLUMN_NODE]) |
| return -1; |
| |
| return path_compare(x->columns[COLUMN_NODE], y->columns[COLUMN_NODE]); |
| } |
| |
| static int list_devices(void) { |
| |
| static const char * const titles[_COLUMN_MAX] = { |
| [COLUMN_NODE] = "NODE", |
| [COLUMN_PATH] = "PATH", |
| [COLUMN_MODEL] = "MODEL", |
| [COLUMN_WWN] = "WWN", |
| [COLUMN_FSTYPE] = "TYPE", |
| [COLUMN_LABEL] = "LABEL", |
| [COLUMN_UUID] = "UUID" |
| }; |
| |
| _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
| _cleanup_udev_unref_ struct udev *udev = NULL; |
| struct udev_list_entry *item = NULL, *first = NULL; |
| size_t n_allocated = 0, n = 0, i; |
| size_t column_width[_COLUMN_MAX]; |
| struct item *items = NULL; |
| unsigned c; |
| int r; |
| |
| for (c = 0; c < _COLUMN_MAX; c++) |
| column_width[c] = strlen(titles[c]); |
| |
| udev = udev_new(); |
| if (!udev) |
| return log_oom(); |
| |
| e = udev_enumerate_new(udev); |
| if (!e) |
| return log_oom(); |
| |
| r = udev_enumerate_add_match_subsystem(e, "block"); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add block match: %m"); |
| |
| r = udev_enumerate_add_match_property(e, "ID_FS_USAGE", "filesystem"); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add property match: %m"); |
| |
| r = udev_enumerate_scan_devices(e); |
| if (r < 0) |
| return log_error_errno(r, "Failed to scan devices: %m"); |
| |
| first = udev_enumerate_get_list_entry(e); |
| udev_list_entry_foreach(item, first) { |
| _cleanup_udev_device_unref_ struct udev_device *d; |
| struct item *j; |
| |
| d = udev_device_new_from_syspath(udev, udev_list_entry_get_name(item)); |
| if (!d) { |
| r = log_oom(); |
| goto finish; |
| } |
| |
| if (!GREEDY_REALLOC0(items, n_allocated, n+1)) { |
| r = log_oom(); |
| goto finish; |
| } |
| |
| j = items + n++; |
| |
| for (c = 0; c < _COLUMN_MAX; c++) { |
| const char *x = NULL; |
| size_t k; |
| |
| switch (c) { |
| |
| case COLUMN_NODE: |
| x = udev_device_get_devnode(d); |
| break; |
| |
| case COLUMN_PATH: |
| x = udev_device_get_property_value(d, "ID_PATH"); |
| break; |
| |
| case COLUMN_MODEL: |
| x = get_model(d); |
| break; |
| |
| case COLUMN_WWN: |
| x = udev_device_get_property_value(d, "ID_WWN"); |
| break; |
| |
| case COLUMN_FSTYPE: |
| x = udev_device_get_property_value(d, "ID_FS_TYPE"); |
| break; |
| |
| case COLUMN_LABEL: |
| x = get_label(d); |
| break; |
| |
| case COLUMN_UUID: |
| x = udev_device_get_property_value(d, "ID_FS_UUID"); |
| break; |
| } |
| |
| if (isempty(x)) |
| continue; |
| |
| j->columns[c] = strdup(x); |
| if (!j->columns[c]) { |
| r = log_oom(); |
| goto finish; |
| } |
| |
| k = strlen(x); |
| if (k > column_width[c]) |
| column_width[c] = k; |
| } |
| } |
| |
| if (n == 0) { |
| log_info("No devices found."); |
| goto finish; |
| } |
| |
| qsort_safe(items, n, sizeof(struct item), compare_item); |
| |
| pager_open(arg_no_pager, false); |
| |
| fputs(ansi_underline(), stdout); |
| for (c = 0; c < _COLUMN_MAX; c++) { |
| if (c > 0) |
| fputc(' ', stdout); |
| |
| printf("%-*s", (int) column_width[c], titles[c]); |
| } |
| fputs(ansi_normal(), stdout); |
| fputc('\n', stdout); |
| |
| for (i = 0; i < n; i++) { |
| for (c = 0; c < _COLUMN_MAX; c++) { |
| if (c > 0) |
| fputc(' ', stdout); |
| |
| printf("%-*s", (int) column_width[c], strna(items[i].columns[c])); |
| } |
| fputc('\n', stdout); |
| } |
| |
| r = 0; |
| |
| finish: |
| for (i = 0; i < n; i++) |
| for (c = 0; c < _COLUMN_MAX; c++) |
| free(items[i].columns[c]); |
| |
| free(items); |
| return r; |
| } |
| |
| int main(int argc, char* argv[]) { |
| _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
| int r; |
| |
| log_parse_environment(); |
| log_open(); |
| |
| r = parse_argv(argc, argv); |
| if (r <= 0) |
| goto finish; |
| |
| if (arg_action == ACTION_LIST) { |
| r = list_devices(); |
| goto finish; |
| } |
| |
| r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus); |
| if (r < 0) { |
| log_error_errno(r, "Failed to create bus connection: %m"); |
| goto finish; |
| } |
| |
| if (arg_action == ACTION_UMOUNT) { |
| r = action_umount(bus, argc, argv); |
| goto finish; |
| } |
| |
| if (!path_is_safe(arg_mount_what)) { |
| log_error("Path contains unsafe components: %s", arg_mount_what); |
| r = -EINVAL; |
| goto finish; |
| } |
| |
| if (arg_discover) { |
| r = discover_device(); |
| if (r < 0) |
| goto finish; |
| } |
| |
| if (!arg_mount_where) { |
| log_error("Can't figure out where to mount %s.", arg_mount_what); |
| r = -EINVAL; |
| goto finish; |
| } |
| |
| if (path_equal(arg_mount_where, "/")) { |
| log_error("Refusing to operate on root directory."); |
| r = -EINVAL; |
| goto finish; |
| } |
| |
| if (!path_is_safe(arg_mount_where)) { |
| log_error("Path contains unsafe components: %s", arg_mount_where); |
| r = -EINVAL; |
| goto finish; |
| } |
| |
| 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(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 */ |
| } |
| } |
| |
| 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("Unexpected action."); |
| } |
| |
| finish: |
| bus = sd_bus_flush_close_unref(bus); |
| |
| pager_close(); |
| |
| free(arg_mount_what); |
| free(arg_mount_where); |
| free(arg_mount_type); |
| free(arg_mount_options); |
| free(arg_description); |
| strv_free(arg_property); |
| strv_free(arg_automount_property); |
| |
| return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
| } |