/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include <getopt.h>
#include "sd-bus.h"
#include "alloc-util.h"
#include "bus-error.h"
#include "bus-util.h"
#include "def.h"
#include "dirent-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "format-table.h"
#include "fs-util.h"
#include "locale-util.h"
#include "machine-image.h"
#include "pager.h"
#include "parse-util.h"
#include "path-util.h"
#include "spawn-polkit-agent.h"
#include "string-util.h"
#include "strv.h"
#include "terminal-util.h"
#include "verbs.h"
static bool arg_no_pager = false;
static bool arg_legend = true;
static bool arg_ask_password = true;
static bool arg_quiet = false;
static const char *arg_profile = "default";
static const char* arg_copy_mode = NULL;
static bool arg_runtime = false;
static bool arg_reload = true;
static bool arg_cat = false;
static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static char *arg_host = NULL;
static int determine_image(const char *image, bool permit_non_existing, char **ret) {
int r;
/* If the specified name is a valid image name, we pass it as-is to portabled, which will search for it in the
* usual search directories. Otherwise we presume it's a path, and will normalize it on the client's side
* (among other things, to make the path independent of the client's working directory) before passing it
* over. */
if (image_name_is_valid(image)) {
char *c;
if (!arg_quiet && laccess(image, F_OK) >= 0)
log_warning("Ambiguous invocation: current working directory contains file matching non-path argument '%s', ignoring. "
"Prefix argument with './' to force reference to file in current working directory.", image);
c = strdup(image);
if (!c)
return log_oom();
*ret = c;
return 0;
}
if (arg_transport != BUS_TRANSPORT_LOCAL) {
log_error("Operations on images by path not supported when connecting to remote systems.");
return -EOPNOTSUPP;
}
r = chase_symlinks(image, NULL, CHASE_TRAIL_SLASH | (permit_non_existing ? CHASE_NONEXISTENT : 0), ret);
if (r < 0)
return log_error_errno(r, "Cannot normalize specified image path '%s': %m", image);
return 0;
}
static int extract_prefix(const char *path, char **ret) {
_cleanup_free_ char *name = NULL;
const char *bn, *underscore;
size_t m;
bn = basename(path);
underscore = strchr(bn, '_');
if (underscore)
m = underscore - bn;
else {
const char *e;
e = endswith(bn, ".raw");
if (!e)
e = strchr(bn, 0);
m = e - bn;
}
name = strndup(bn, m);
if (!name)
return -ENOMEM;
/* A slightly reduced version of what's permitted in unit names. With ':' and '\' are removed, as well as '_'
* which we use as delimiter for the second part of the image string, which we ignore for now. */
if (!in_charset(name, DIGITS LETTERS "-."))
return -EINVAL;
if (!filename_is_valid(name))
return -EINVAL;
*ret = TAKE_PTR(name);
return 0;
}
static int determine_matches(const char *image, char **l, bool allow_any, char ***ret) {
_cleanup_strv_free_ char **k = NULL;
int r;
/* Determine the matches to apply. If the list is empty we derive the match from the image name. If the list
* contains exactly the "-" we return a wildcard list (which is the empty list), but only if this is expressly
* permitted. */
if (strv_isempty(l)) {
char *prefix;
r = extract_prefix(image, &prefix);
if (r < 0)
return log_error_errno(r, "Failed to extract prefix of image name '%s': %m", image);
if (!arg_quiet)
log_info("(Matching unit files with prefix '%s'.)", prefix);
r = strv_consume(&k, prefix);
if (r < 0)
return log_oom();
} else if (strv_equal(l, STRV_MAKE("-"))) {
if (!allow_any) {
log_error("Refusing all unit file match.");
return -EINVAL;
}
if (!arg_quiet)
log_info("(Matching all unit files.)");
} else {
k = strv_copy(l);
if (!k)
return log_oom();
if (!arg_quiet) {
_cleanup_free_ char *joined = NULL;
joined = strv_join(k, "', '");
if (!joined)
return log_oom();
log_info("(Matching unit files with prefixes '%s'.)", joined);
}
}
*ret = TAKE_PTR(k);
return 0;
}
static int acquire_bus(sd_bus **bus) {
int r;
assert(bus);
if (*bus)
return 0;
r = bus_connect_transport(arg_transport, arg_host, false, bus);
if (r < 0)
return log_error_errno(r, "Failed to connect to bus: %m");
(void) sd_bus_set_allow_interactive_authorization(*bus, arg_ask_password);
return 0;
}
static int maybe_reload(sd_bus **bus) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
int r;
if (!arg_reload)
return 0;
r = acquire_bus(bus);
if (r < 0)
return r;
r = sd_bus_message_new_method_call(
*bus,
&m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"Reload");
if (r < 0)
return bus_log_create_error(r);
/* Reloading the daemon may take long, hence set a longer timeout here */
r = sd_bus_call(*bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
if (r < 0)
return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
return 0;
}
static int inspect_image(int argc, char *argv[], void *userdata) {
_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_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_strv_free_ char **matches = NULL;
_cleanup_free_ char *image = NULL;
bool nl = false, header = false;
const void *data;
const char *path;
size_t sz;
int r;
r = determine_image(argv[1], false, &image);
if (r < 0)
return r;
r = determine_matches(argv[1], argv + 2, true, &matches);
if (r < 0)
return r;
r = acquire_bus(&bus);
if (r < 0)
return r;
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"GetImageMetadata");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "s", image);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append_strv(m, matches);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0)
return log_error_errno(r, "Failed to inspect image metadata: %s", bus_error_message(&error, r));
r = sd_bus_message_read(reply, "s", &path);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_read_array(reply, 'y', &data, &sz);
if (r < 0)
return bus_log_parse_error(r);
(void) pager_open(arg_no_pager, false);
if (arg_cat) {
printf("%s-- OS Release: --%s\n", ansi_highlight(), ansi_normal());
fwrite(data, sz, 1, stdout);
fflush(stdout);
nl = true;
} else {
_cleanup_free_ char *pretty_portable = NULL, *pretty_os = NULL;
_cleanup_fclose_ FILE *f;
f = fmemopen((void*) data, sz, "re");
if (!f)
return log_error_errno(errno, "Failed to open /etc/os-release buffer: %m");
r = parse_env_file(f, "/etc/os-release", NEWLINE,
"PORTABLE_PRETTY_NAME", &pretty_portable,
"PRETTY_NAME", &pretty_os,
NULL);
if (r < 0)
return log_error_errno(r, "Failed to parse /etc/os-release: %m");
printf("Image:\n\t%s\n"
"Portable Service:\n\t%s\n"
"Operating System:\n\t%s\n",
path,
strna(pretty_portable),
strna(pretty_os));
}
r = sd_bus_message_enter_container(reply, 'a', "{say}");
if (r < 0)
return bus_log_parse_error(r);
for (;;) {
const char *name;
r = sd_bus_message_enter_container(reply, 'e', "say");
if (r < 0)
return bus_log_parse_error(r);
if (r == 0)
break;
r = sd_bus_message_read(reply, "s", &name);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_read_array(reply, 'y', &data, &sz);
if (r < 0)
return bus_log_parse_error(r);
if (arg_cat) {
if (nl)
fputc('\n', stdout);
printf("%s-- Unit file: %s --%s\n", ansi_highlight(), name, ansi_normal());
fwrite(data, sz, 1, stdout);
fflush(stdout);
nl = true;
} else {
if (!header) {
fputs("Unit files:\n", stdout);
header = true;
}
fputc('\t', stdout);
fputs(name, stdout);
fputc('\n', stdout);
}
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
}
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
return 0;
}
static int print_changes(sd_bus_message *m) {
int r;
if (arg_quiet)
return 0;
r = sd_bus_message_enter_container(m, 'a', "(sss)");
if (r < 0)
return bus_log_parse_error(r);
for (;;) {
const char *type, *path, *source;
r = sd_bus_message_read(m, "(sss)", &type, &path, &source);
if (r < 0)
return bus_log_parse_error(r);
if (r == 0)
break;
if (streq(type, "symlink"))
log_info("Created symlink %s %s %s.", path, special_glyph(ARROW), source);
else if (streq(type, "copy")) {
if (isempty(source))
log_info("Copied %s.", path);
else
log_info("Copied %s %s %s.", source, special_glyph(ARROW), path);
} else if (streq(type, "unlink"))
log_info("Removed %s.", path);
else if (streq(type, "write"))
log_info("Written %s.", path);
else if (streq(type, "mkdir"))
log_info("Created directory %s.", path);
else
log_error("Unexpected change: %s/%s/%s", type, path, source);
}
r = sd_bus_message_exit_container(m);
if (r < 0)
return r;
return 0;
}
static int attach_image(int argc, char *argv[], void *userdata) {
_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_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_strv_free_ char **matches = NULL;
_cleanup_free_ char *image = NULL;
int r;
r = determine_image(argv[1], false, &image);
if (r < 0)
return r;
r = determine_matches(argv[1], argv + 2, false, &matches);
if (r < 0)
return r;
r = acquire_bus(&bus);
if (r < 0)
return r;
(void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"AttachImage");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "s", image);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append_strv(m, matches);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "sbs", arg_profile, arg_runtime, arg_copy_mode);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0)
return log_error_errno(r, "Failed to attach image: %s", bus_error_message(&error, r));
(void) maybe_reload(&bus);
print_changes(reply);
return 0;
}
static int detach_image(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_free_ char *image = NULL;
int r;
r = determine_image(argv[1], true, &image);
if (r < 0)
return r;
r = acquire_bus(&bus);
if (r < 0)
return r;
(void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
r = sd_bus_call_method(
bus,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"DetachImage",
&error,
&reply,
"sb", image, arg_runtime);
if (r < 0)
return log_error_errno(r, "Failed to detach image: %s", bus_error_message(&error, r));
(void) maybe_reload(&bus);
print_changes(reply);
return 0;
}
static int list_images(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
int r;
r = acquire_bus(&bus);
if (r < 0)
return r;
r = sd_bus_call_method(
bus,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"ListImages",
&error,
&reply,
NULL);
if (r < 0)
return log_error_errno(r, "Failed to list images: %s", bus_error_message(&error, r));
table = table_new("NAME", "TYPE", "RO", "CRTIME", "MTIME", "USAGE", "STATE");
if (!table)
return log_oom();
r = sd_bus_message_enter_container(reply, 'a', "(ssbtttso)");
if (r < 0)
return bus_log_parse_error(r);
for (;;) {
const char *name, *type, *state;
uint64_t crtime, mtime, usage;
TableCell *cell;
bool ro_bool;
int ro_int;
r = sd_bus_message_read(reply, "(ssbtttso)", &name, &type, &ro_int, &crtime, &mtime, &usage, &state, NULL);
if (r < 0)
return bus_log_parse_error(r);
if (r == 0)
break;
r = table_add_many(table,
TABLE_STRING, name,
TABLE_STRING, type);
if (r < 0)
return log_error_errno(r, "Failed to add row to table: %m");
ro_bool = ro_int;
r = table_add_cell(table, &cell, TABLE_BOOLEAN, &ro_bool);
if (r < 0)
return log_error_errno(r, "Failed to add row to table: %m");
if (ro_bool) {
r = table_set_color(table, cell, ansi_highlight_red());
if (r < 0)
return log_error_errno(r, "Failed to set table cell color: %m");
}
r = table_add_many(table,
TABLE_TIMESTAMP, crtime,
TABLE_TIMESTAMP, mtime,
TABLE_SIZE, usage);
if (r < 0)
return log_error_errno(r, "Failed to add row to table: %m");
r = table_add_cell(table, &cell, TABLE_STRING, state);
if (r < 0)
return log_error_errno(r, "Failed to add row to table: %m");
if (!streq(state, "detached")) {
r = table_set_color(table, cell, ansi_highlight_green());
if (r < 0)
return log_error_errno(r, "Failed to set table cell color: %m");
}
}
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
if (table_get_rows(table) > 1) {
r = table_set_sort(table, (size_t) 0, (size_t) -1);
if (r < 0)
return log_error_errno(r, "Failed to sort table: %m");
table_set_header(table, arg_legend);
r = table_print(table, NULL);
if (r < 0)
return log_error_errno(r, "Failed to show table: %m");
}
if (arg_legend) {
if (table_get_rows(table) > 1)
printf("\n%zu images listed.\n", table_get_rows(table) - 1);
else
printf("No images.\n");
}
return 0;
}
static int remove_image(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r, i;
r = acquire_bus(&bus);
if (r < 0)
return r;
(void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
for (i = 1; i < argc; i++) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"RemoveImage");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "s", argv[i]);
if (r < 0)
return bus_log_create_error(r);
/* This is a slow operation, hence turn off any method call timeouts */
r = sd_bus_call(bus, m, USEC_INFINITY, &error, NULL);
if (r < 0)
return log_error_errno(r, "Could not remove image: %s", bus_error_message(&error, r));
}
return 0;
}
static int read_only_image(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int b = true, r;
if (argc > 2) {
b = parse_boolean(argv[2]);
if (b < 0)
return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
}
r = acquire_bus(&bus);
if (r < 0)
return r;
(void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
r = sd_bus_call_method(
bus,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"MarkImageReadOnly",
&error,
NULL,
"sb", argv[1], b);
if (r < 0)
return log_error_errno(r, "Could not mark image read-only: %s", bus_error_message(&error, r));
return 0;
}
static int set_limit(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
uint64_t limit;
int r;
r = acquire_bus(&bus);
if (r < 0)
return r;
(void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
if (STR_IN_SET(argv[argc-1], "-", "none", "infinity"))
limit = (uint64_t) -1;
else {
r = parse_size(argv[argc-1], 1024, &limit);
if (r < 0)
return log_error_errno(r, "Failed to parse size: %s", argv[argc-1]);
}
if (argc > 2)
/* With two arguments changes the quota limit of the specified image */
r = sd_bus_call_method(
bus,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"SetImageLimit",
&error,
NULL,
"st", argv[1], limit);
else
/* With one argument changes the pool quota limit */
r = sd_bus_call_method(
bus,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"SetPoolLimit",
&error,
NULL,
"t", limit);
if (r < 0)
return log_error_errno(r, "Could not set limit: %s", bus_error_message(&error, r));
return 0;
}
static int is_image_attached(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_free_ char *image = NULL;
const char *state;
int r;
r = determine_image(argv[1], true, &image);
if (r < 0)
return r;
r = acquire_bus(&bus);
if (r < 0)
return r;
r = sd_bus_call_method(
bus,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"GetImageState",
&error,
&reply,
"s", image);
if (r < 0)
return log_error_errno(r, "Failed to get image state: %s", bus_error_message(&error, r));
r = sd_bus_message_read(reply, "s", &state);
if (r < 0)
return r;
if (!arg_quiet)
puts(state);
return streq(state, "detached");
}
static int dump_profiles(void) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_strv_free_ char **l = NULL;
char **i;
int r;
r = acquire_bus(&bus);
if (r < 0)
return r;
r = sd_bus_get_property_strv(
bus,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"Profiles",
&error,
&l);
if (r < 0)
return log_error_errno(r, "Failed to acquire list of profiles: %s", bus_error_message(&error, r));
if (arg_legend)
log_info("Available unit profiles:");
STRV_FOREACH(i, l) {
fputs(*i, stdout);
fputc('\n', stdout);
}
return 0;
}
static int help(int argc, char *argv[], void *userdata) {
(void) pager_open(arg_no_pager, false);
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
"Attach or detach portable services from the local system.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
" --no-pager Do not pipe output into a pager\n"
" --no-legend Do not show the headers and footers\n"
" --no-ask-password Do not ask for system passwords\n"
" -H --host=[USER@]HOST Operate on remote host\n"
" -M --machine=CONTAINER Operate on local container\n"
" -q --quiet Suppress informational messages\n"
" -p --profile=PROFILE Pick security profile for portable service\n"
" --copy=copy|auto|symlink Prefer copying or symlinks if possible\n"
" --runtime Attach portable service until next reboot only\n"
" --no-reload Don't reload the system and service manager\n"
" --cat When inspecting include unit and os-release file\n"
" contents\n\n"
"Commands:\n"
" list List available portable service images\n"
" attach NAME|PATH [PREFIX...]\n"
" Attach the specified portable service image\n"
" detach NAME|PATH Detach the specified portable service image\n"
" inspect NAME|PATH [PREFIX...]\n"
" Show details of specified portable service image\n"
" is-attached NAME|PATH Query if portable service image is attached\n"
" read-only NAME|PATH [BOOL] Mark or unmark portable service image read-only\n"
" remove NAME|PATH... Remove a portable service image\n"
" set-limit [NAME|PATH] Set image or pool size limit (disk quota)\n"
, program_invocation_short_name);
return 0;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
ARG_NO_LEGEND,
ARG_NO_ASK_PASSWORD,
ARG_COPY,
ARG_RUNTIME,
ARG_NO_RELOAD,
ARG_CAT,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "no-legend", no_argument, NULL, ARG_NO_LEGEND },
{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
{ "host", required_argument, NULL, 'H' },
{ "machine", required_argument, NULL, 'M' },
{ "quiet", no_argument, NULL, 'q' },
{ "profile", required_argument, NULL, 'p' },
{ "copy", required_argument, NULL, ARG_COPY },
{ "runtime", no_argument, NULL, ARG_RUNTIME },
{ "no-reload", no_argument, NULL, ARG_NO_RELOAD },
{ "cat", no_argument, NULL, ARG_CAT },
{}
};
assert(argc >= 0);
assert(argv);
for (;;) {
int c;
c = getopt_long(argc, argv, "hH:M:qp:", options, NULL);
if (c < 0)
break;
switch (c) {
case 'h':
help(0, NULL, NULL);
return 0;
case ARG_VERSION:
return version();
case ARG_NO_PAGER:
arg_no_pager = true;
break;
case ARG_NO_LEGEND:
arg_legend = false;
break;
case ARG_NO_ASK_PASSWORD:
arg_ask_password = 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 'q':
arg_quiet = true;
break;
case 'p':
if (streq(optarg, "help"))
return dump_profiles();
if (!filename_is_valid(optarg)) {
log_error("Unit profile name not valid: %s", optarg);
return -EINVAL;
}
arg_profile = optarg;
break;
case ARG_COPY:
if (streq(optarg, "auto"))
arg_copy_mode = NULL;
else if (STR_IN_SET(optarg, "copy", "symlink"))
arg_copy_mode = optarg;
else if (streq(optarg, "help")) {
puts("auto\n"
"copy\n"
"symlink");
return 0;
} else {
log_error("Failed to parse --copy= argument: %s", optarg);
return -EINVAL;
}
break;
case ARG_RUNTIME:
arg_runtime = true;
break;
case ARG_NO_RELOAD:
arg_reload = false;
break;
case ARG_CAT:
arg_cat = true;
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
}
return 1;
}
int main(int argc, char *argv[]) {
static const Verb verbs[] = {
{ "help", VERB_ANY, VERB_ANY, 0, help },
{ "list", VERB_ANY, 1, VERB_DEFAULT, list_images },
{ "attach", 2, VERB_ANY, 0, attach_image },
{ "detach", 2, 2, 0, detach_image },
{ "inspect", 2, VERB_ANY, 0, inspect_image },
{ "is-attached", 2, 2, 0, is_image_attached },
{ "read-only", 2, 3, 0, read_only_image },
{ "remove", 2, VERB_ANY, 0, remove_image },
{ "set-limit", 3, 3, 0, set_limit },
{}
};
int r;
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
if (r <= 0)
goto finish;
r = dispatch_verb(argc, argv, verbs, NULL);
finish:
pager_close();
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}