diff options
Diffstat (limited to 'src/mount/mount-tool.c')
| -rw-r--r-- | src/mount/mount-tool.c | 1114 |
1 files changed, 0 insertions, 1114 deletions
diff --git a/src/mount/mount-tool.c b/src/mount/mount-tool.c deleted file mode 100644 index 80bba086e4..0000000000 --- a/src/mount/mount-tool.c +++ /dev/null @@ -1,1114 +0,0 @@ -/*** - 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 "escape.h" -#include "fstab-util.h" -#include "pager.h" -#include "parse-util.h" -#include "path-util.h" -#include "spawn-polkit-agent.h" -#include "strv.h" -#include "udev-util.h" -#include "unit-name.h" -#include "terminal-util.h" - -enum { - ACTION_DEFAULT, - ACTION_MOUNT, - ACTION_AUTOMOUNT, - 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("%s [OPTIONS...] WHAT [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" - , program_invocation_short_name); -} - -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' }, - { "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 }, - {}, - }; - - int r, c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "hqH:M:t:o:p:A", 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 '?': - 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 (optind >= argc) { - log_error("At least one argument required."); - return -EINVAL; - } - - if (argc > optind+2) { - log_error("At most two arguments required."); - return -EINVAL; - } - - arg_mount_what = fstab_node_to_udev_node(argv[optind]); - if (!arg_mount_what) - return log_oom(); - - if (argc > optind+1) { - r = path_make_absolute_cwd(argv[optind+1], &arg_mount_where); - if (r < 0) - return log_error_errno(r, "Failed to make path absolute: %m"); - } 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 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 (!filename_is_valid(escaped)) - return 0; - - arg_mount_where = strjoin("/run/media/system/", escaped, NULL); - } 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_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, NULL); - 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_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 (!arg_discover) - return 0; - - if (!is_device_path(arg_mount_what)) { - log_error("Discovery only supported for block devices, don't know what to do."); - return -EINVAL; - } - - if (stat(arg_mount_what, &st) < 0) - return log_error_errno(errno, "Can't stat %s: %m", arg_mount_what); - - if (!S_ISBLK(st.st_mode)) { - log_error("Path %s is not a block device, don't know what to do.", arg_mount_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 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; - 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 = 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; - } - - path_kill_slashes(arg_mount_where); - - 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 is contains unsafe components."); - 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 */ - } - } - - 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; - } - - 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; -} |