summaryrefslogtreecommitdiffstats
path: root/src/portable/portablectl.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/portable/portablectl.c')
-rw-r--r--src/portable/portablectl.c1459
1 files changed, 1459 insertions, 0 deletions
diff --git a/src/portable/portablectl.c b/src/portable/portablectl.c
new file mode 100644
index 0000000..1588b17
--- /dev/null
+++ b/src/portable/portablectl.c
@@ -0,0 +1,1459 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <getopt.h>
+
+#include "sd-bus.h"
+
+#include "alloc-util.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.h"
+#include "constants.h"
+#include "dirent-util.h"
+#include "env-file.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "format-table.h"
+#include "fs-util.h"
+#include "locale-util.h"
+#include "main-func.h"
+#include "os-util.h"
+#include "pager.h"
+#include "parse-argument.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "portable.h"
+#include "pretty-print.h"
+#include "spawn-polkit-agent.h"
+#include "string-util.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "verbs.h"
+
+static PagerFlags arg_pager_flags = 0;
+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 const char *arg_host = NULL;
+static bool arg_enable = false;
+static bool arg_now = false;
+static bool arg_no_block = false;
+static char **arg_extension_images = NULL;
+static bool arg_force = false;
+
+STATIC_DESTRUCTOR_REGISTER(arg_extension_images, strv_freep);
+
+static bool is_portable_managed(const char *unit) {
+ return ENDSWITH_SET(unit, ".service", ".target", ".socket", ".path", ".timer");
+}
+
+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)
+ return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "Operations on images by path not supported when connecting to remote systems.");
+
+ r = chase(image, NULL, CHASE_TRAIL_SLASH | (permit_non_existing ? CHASE_NONEXISTENT : 0), ret, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Cannot normalize specified image path '%s': %m", image);
+
+ return 0;
+}
+
+static int attach_extensions_to_message(sd_bus_message *m, const char *method, char **extensions) {
+ int r;
+
+ assert(m);
+ assert(method);
+
+ /* The new methods also have flags parameters that are independent of the extensions */
+ if (strv_isempty(extensions) && !endswith(method, "WithExtensions"))
+ return 0;
+
+ r = sd_bus_message_open_container(m, 'a', "s");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ STRV_FOREACH(p, extensions) {
+ _cleanup_free_ char *resolved_extension_image = NULL;
+
+ r = determine_image(
+ *p,
+ startswith_strv(method, STRV_MAKE("Get", "Detach")),
+ &resolved_extension_image);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "s", resolved_extension_image);
+ 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);
+
+ return 0;
+}
+
+static int extract_prefix(const char *path, char **ret) {
+ _cleanup_free_ char *name = NULL, *bn = NULL;
+ const char *underscore;
+ size_t m;
+ int r;
+
+ r = path_extract_filename(path, &bn);
+ if (r < 0)
+ return r;
+
+ 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)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Refusing all unit file match.");
+
+ 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, RUNTIME_SCOPE_SYSTEM, bus);
+ if (r < 0)
+ return bus_log_connect_error(r, arg_transport);
+
+ (void) sd_bus_set_allow_interactive_authorization(*bus, arg_ask_password);
+
+ return 0;
+}
+
+static int maybe_reload(sd_bus **bus) {
+ int r;
+
+ if (!arg_reload)
+ return 0;
+
+ r = acquire_bus(bus);
+ if (r < 0)
+ return r;
+
+ return bus_service_manager_reload(*bus);
+}
+
+static int get_image_metadata(sd_bus *bus, const char *image, char **matches, sd_bus_message **reply) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ uint64_t flags = arg_force ? PORTABLE_FORCE_EXTENSION : 0;
+ const char *method;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ method = strv_isempty(arg_extension_images) && !arg_force ? "GetImageMetadata" : "GetImageMetadataWithExtensions";
+
+ r = bus_message_new_method_call(bus, &m, bus_portable_mgr, method);
+ 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 = attach_extensions_to_message(m, method, arg_extension_images);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_strv(m, matches);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (streq(method, "GetImageMetadataWithExtensions")) {
+ r = sd_bus_message_append(m, "t", flags);
+ 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));
+
+ return 0;
+}
+
+static int inspect_image(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = 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 char *path;
+ const void *data;
+ 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 = get_image_metadata(bus, image, matches, &reply);
+ if (r < 0)
+ return 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);
+
+ pager_open(arg_pager_flags);
+
+ 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 = NULL;
+
+ f = fmemopen_unlocked((void*) data, sz, "r");
+ if (!f)
+ return log_error_errno(errno, "Failed to open /etc/os-release buffer: %m");
+
+ r = parse_env_file(f, "/etc/os-release",
+ "PORTABLE_PRETTY_NAME", &pretty_portable,
+ "PRETTY_NAME", &pretty_os);
+ 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));
+ }
+
+ if (!strv_isempty(arg_extension_images)) {
+ /* If we specified any extensions, we'll first get back exactly the paths (and
+ * extension-release content) for each one of the arguments. */
+
+ r = sd_bus_message_enter_container(reply, 'a', "{say}");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ for (size_t i = 0; i < strv_length(arg_extension_images); ++i) {
+ 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-- Extension Release: %s --%s\n", ansi_highlight(), name, ansi_normal());
+ fwrite(data, sz, 1, stdout);
+ fflush(stdout);
+ nl = true;
+ } else {
+ _cleanup_free_ char *pretty_portable = NULL, *sysext_pretty_os = NULL,
+ *sysext_level = NULL, *sysext_id = NULL,
+ *sysext_version_id = NULL, *sysext_scope = NULL,
+ *portable_prefixes = NULL, *id = NULL, *version_id = NULL,
+ *sysext_image_id = NULL, *sysext_image_version = NULL,
+ *sysext_build_id = NULL, *confext_pretty_os = NULL,
+ *confext_level = NULL, *confext_id = NULL,
+ *confext_version_id = NULL, *confext_scope = NULL,
+ *confext_image_id = NULL, *confext_image_version = NULL,
+ *confext_build_id = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
+
+ f = fmemopen_unlocked((void*) data, sz, "r");
+ if (!f)
+ return log_error_errno(errno, "Failed to open extension-release buffer: %m");
+
+ r = parse_env_file(f, name,
+ "SYSEXT_ID", &sysext_id,
+ "SYSEXT_VERSION_ID", &sysext_version_id,
+ "SYSEXT_BUILD_ID", &sysext_build_id,
+ "SYSEXT_IMAGE_ID", &sysext_image_id,
+ "SYSEXT_IMAGE_VERSION", &sysext_image_version,
+ "SYSEXT_SCOPE", &sysext_scope,
+ "SYSEXT_LEVEL", &sysext_level,
+ "SYSEXT_PRETTY_NAME", &sysext_pretty_os,
+ "CONFEXT_ID", &confext_id,
+ "CONFEXT_VERSION_ID", &confext_version_id,
+ "CONFEXT_BUILD_ID", &confext_build_id,
+ "CONFEXT_IMAGE_ID", &confext_image_id,
+ "CONFEXT_IMAGE_VERSION", &confext_image_version,
+ "CONFEXT_SCOPE", &confext_scope,
+ "CONFEXT_LEVEL", &confext_level,
+ "CONFEXT_PRETTY_NAME", &confext_pretty_os,
+ "ID", &id,
+ "VERSION_ID", &version_id,
+ "PORTABLE_PRETTY_NAME", &pretty_portable,
+ "PORTABLE_PREFIXES", &portable_prefixes);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse extension release from '%s': %m", name);
+
+ printf("Extension:\n\t%s\n"
+ "\tExtension Scope:\n\t\t%s\n"
+ "\tExtension Compatibility Level:\n\t\t%s\n"
+ "\tExtension Compatibility OS:\n\t\t%s\n"
+ "\tExtension Compatibility OS Version:\n\t\t%s\n"
+ "\tPortable Service:\n\t\t%s\n"
+ "\tPortable Prefixes:\n\t\t%s\n"
+ "\tExtension Image:\n\t\t%s%s%s %s%s%s\n",
+ name,
+ strna(sysext_scope ?: confext_scope),
+ strna(sysext_level ?: confext_level),
+ strna(id),
+ strna(version_id),
+ strna(pretty_portable),
+ strna(portable_prefixes),
+ strempty(sysext_pretty_os ?: confext_pretty_os),
+ (sysext_pretty_os ?: confext_pretty_os) ? " (" : "ID: ",
+ strna(sysext_id ?: sysext_image_id ?: confext_id ?: confext_image_id),
+ (sysext_pretty_os ?: confext_pretty_os) ? "" : "Version: ",
+ strna(sysext_version_id ?: sysext_image_version ?: sysext_build_id ?: confext_version_id ?: confext_image_version ?: confext_build_id),
+ (sysext_pretty_os ?: confext_pretty_os) ? ")" : "");
+ }
+
+ 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);
+ }
+
+ 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(SPECIAL_GLYPH_ARROW_RIGHT), source);
+ else if (streq(type, "copy")) {
+ if (isempty(source))
+ log_info("Copied %s.", path);
+ else
+ log_info("Copied %s %s %s.", source, special_glyph(SPECIAL_GLYPH_ARROW_RIGHT), 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 maybe_enable_disable(sd_bus *bus, const char *path, bool enable) {
+ _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_strv_free_ char **names = NULL;
+ const uint64_t flags = UNIT_FILE_PORTABLE | (arg_runtime ? UNIT_FILE_RUNTIME : 0);
+ int r;
+
+ if (!arg_enable)
+ return 0;
+
+ names = strv_new(path, NULL);
+ if (!names)
+ return log_oom();
+
+ r = bus_message_new_method_call(
+ bus,
+ &m,
+ bus_systemd_mgr,
+ enable ? "EnableUnitFilesWithFlags" : "DisableUnitFilesWithFlags");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, names);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "t", flags);
+ 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 %s the portable service %s: %s",
+ enable ? "enable" : "disable", path, bus_error_message(&error, r));
+
+ if (enable) {
+ r = sd_bus_message_skip(reply, "b");
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+
+ (void) bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
+
+ return 0;
+}
+
+static int maybe_start_stop_restart(sd_bus *bus, const char *path, const char *method, BusWaitForJobs *wait) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *name = NULL;
+ const char *job = NULL;
+ int r;
+
+ assert(STR_IN_SET(method, "StartUnit", "StopUnit", "RestartUnit"));
+
+ if (!arg_now)
+ return 0;
+
+ r = path_extract_filename(path, &name);
+ if (r < 0)
+ return log_error_errno(r, "Failed to extract file name from '%s': %m", path);
+
+ r = bus_call_method(
+ bus,
+ bus_systemd_mgr,
+ method,
+ &error,
+ &reply,
+ "ss", name, "replace");
+ if (r < 0)
+ return log_error_errno(r, "Failed to call %s on the portable service %s: %s",
+ method,
+ path,
+ bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "o", &job);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!arg_quiet)
+ log_info("Queued %s to call %s on portable service %s.", job, method, name);
+
+ if (wait) {
+ r = bus_wait_for_jobs_add(wait, job);
+ if (r < 0)
+ return log_error_errno(r, "Failed to watch %s job to call %s on %s: %m",
+ job, method, name);
+ }
+
+ return 0;
+}
+
+static int maybe_enable_start(sd_bus *bus, sd_bus_message *reply) {
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *wait = NULL;
+ int r;
+
+ if (!arg_enable && !arg_now)
+ return 0;
+
+ if (!arg_no_block) {
+ r = bus_wait_for_jobs_new(bus, &wait);
+ if (r < 0)
+ return log_error_errno(r, "Could not watch jobs: %m");
+ }
+
+ r = sd_bus_message_rewind(reply, true);
+ if (r < 0)
+ return r;
+ r = sd_bus_message_enter_container(reply, 'a', "(sss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ for (;;) {
+ char *type, *path, *source;
+
+ r = sd_bus_message_read(reply, "(sss)", &type, &path, &source);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ if (r == 0)
+ break;
+
+ if (STR_IN_SET(type, "symlink", "copy") && is_portable_managed(path)) {
+ (void) maybe_enable_disable(bus, path, true);
+ (void) maybe_start_stop_restart(bus, path, "StartUnit", wait);
+ }
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return r;
+
+ if (!arg_no_block) {
+ r = bus_wait_for_jobs(wait, arg_quiet, NULL);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int maybe_stop_enable_restart(sd_bus *bus, sd_bus_message *reply) {
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *wait = NULL;
+ int r;
+
+ if (!arg_enable && !arg_now)
+ return 0;
+
+ if (!arg_no_block) {
+ r = bus_wait_for_jobs_new(bus, &wait);
+ if (r < 0)
+ return log_error_errno(r, "Could not watch jobs: %m");
+ }
+
+ r = sd_bus_message_rewind(reply, true);
+ if (r < 0)
+ return r;
+
+ /* First we get a list of units that were definitely removed, not just re-attached,
+ * so we can also stop them if the user asked us to. */
+ r = sd_bus_message_enter_container(reply, 'a', "(sss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ for (;;) {
+ char *type, *path, *source;
+
+ r = sd_bus_message_read(reply, "(sss)", &type, &path, &source);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ if (r == 0)
+ break;
+
+ if (streq(type, "unlink") && is_portable_managed(path))
+ (void) maybe_start_stop_restart(bus, path, "StopUnit", wait);
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return r;
+
+ /* Then we get a list of units that were either added or changed, so that we can
+ * enable them and/or restart them if the user asked us to. */
+ r = sd_bus_message_enter_container(reply, 'a', "(sss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ for (;;) {
+ char *type, *path, *source;
+
+ r = sd_bus_message_read(reply, "(sss)", &type, &path, &source);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ if (r == 0)
+ break;
+
+ if (STR_IN_SET(type, "symlink", "copy") && is_portable_managed(path)) {
+ (void) maybe_enable_disable(bus, path, true);
+ (void) maybe_start_stop_restart(bus, path, "RestartUnit", wait);
+ }
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return r;
+
+ if (!arg_no_block) {
+ r = bus_wait_for_jobs(wait, arg_quiet, NULL);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int maybe_stop_disable(sd_bus *bus, char *image, char *argv[]) {
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *wait = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_strv_free_ char **matches = NULL;
+ int r;
+
+ if (!arg_enable && !arg_now)
+ return 0;
+
+ r = determine_matches(argv[1], argv + 2, true, &matches);
+ if (r < 0)
+ return r;
+
+ r = bus_wait_for_jobs_new(bus, &wait);
+ if (r < 0)
+ return log_error_errno(r, "Could not watch jobs: %m");
+
+ r = get_image_metadata(bus, image, matches, &reply);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_skip(reply, "say");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ /* If we specified any extensions or --force (which makes the request go through the new
+ * WithExtensions calls), we'll first get an array of extension-release metadata. */
+ if (!strv_isempty(arg_extension_images) || arg_force) {
+ r = sd_bus_message_skip(reply, "a{say}");
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+
+ 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_skip(reply, "ay");
+ 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);
+
+ (void) maybe_start_stop_restart(bus, name, "StopUnit", wait);
+ (void) maybe_enable_disable(bus, name, false);
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ /* Stopping must always block or the detach will fail if the unit is still running */
+ r = bus_wait_for_jobs(wait, arg_quiet, NULL);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int attach_reattach_image(int argc, char *argv[], const char *method) {
+ _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;
+
+ assert(method);
+ assert(STR_IN_SET(method, "AttachImage", "ReattachImage", "AttachImageWithExtensions", "ReattachImageWithExtensions"));
+
+ 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 = bus_message_new_method_call(bus, &m, bus_portable_mgr, method);
+ 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 = attach_extensions_to_message(m, method, arg_extension_images);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_strv(m, matches);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "s", arg_profile);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (STR_IN_SET(method, "AttachImageWithExtensions", "ReattachImageWithExtensions")) {
+ uint64_t flags = (arg_runtime ? PORTABLE_RUNTIME : 0) | (arg_force ? PORTABLE_FORCE_ATTACH | PORTABLE_FORCE_EXTENSION : 0);
+
+ r = sd_bus_message_append(m, "st", arg_copy_mode, flags);
+ } else
+ r = sd_bus_message_append(m, "bs", 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, "%s failed: %s", method, bus_error_message(&error, r));
+
+ (void) maybe_reload(&bus);
+
+ print_changes(reply);
+
+ if (STR_IN_SET(method, "AttachImage", "AttachImageWithExtensions"))
+ (void) maybe_enable_start(bus, reply);
+ else {
+ /* ReattachImage returns 2 lists - removed units first, and changed/added second */
+ print_changes(reply);
+ (void) maybe_stop_enable_restart(bus, reply);
+ }
+
+ return 0;
+}
+
+static int attach_image(int argc, char *argv[], void *userdata) {
+ return attach_reattach_image(argc, argv, strv_isempty(arg_extension_images) && !arg_force ? "AttachImage" : "AttachImageWithExtensions");
+}
+
+static int reattach_image(int argc, char *argv[], void *userdata) {
+ return attach_reattach_image(argc, argv, strv_isempty(arg_extension_images) && !arg_force ? "ReattachImage" : "ReattachImageWithExtensions");
+}
+
+static int detach_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_free_ char *image = NULL;
+ const char *method;
+ 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);
+
+ (void) maybe_stop_disable(bus, image, argv);
+
+ method = strv_isempty(arg_extension_images) && !arg_force ? "DetachImage" : "DetachImageWithExtensions";
+
+ r = bus_message_new_method_call(bus, &m, bus_portable_mgr, method);
+ 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 = attach_extensions_to_message(m, method, arg_extension_images);
+ if (r < 0)
+ return r;
+
+ if (streq(method, "DetachImage"))
+ r = sd_bus_message_append(m, "b", arg_runtime);
+ else {
+ uint64_t flags = (arg_runtime ? PORTABLE_RUNTIME : 0) | (arg_force ? PORTABLE_FORCE_ATTACH | PORTABLE_FORCE_EXTENSION : 0);
+
+ r = sd_bus_message_append(m, "t", flags);
+ }
+ 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, "%s failed: %s", method, 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 = bus_call_method(bus, bus_portable_mgr, "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;
+ 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,
+ TABLE_BOOLEAN, ro_int,
+ TABLE_SET_COLOR, ro_int ? ansi_highlight_red() : NULL,
+ TABLE_TIMESTAMP, crtime,
+ TABLE_TIMESTAMP, mtime,
+ TABLE_SIZE, usage,
+ TABLE_STRING, state,
+ TABLE_SET_COLOR, !streq(state, "detached") ? ansi_highlight_green() : NULL);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ 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);
+ if (r < 0)
+ return table_log_sort_error(r);
+
+ table_set_header(table, arg_legend);
+
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+ }
+
+ 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 = bus_message_new_method_call(bus, &m, bus_portable_mgr, "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 = bus_call_method(bus, bus_portable_mgr, "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_MAX;
+ 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 = bus_call_method(bus, bus_portable_mgr, "SetImageLimit", &error, NULL, "st", argv[1], limit);
+ else
+ /* With one argument changes the pool quota limit */
+ r = bus_call_method(bus, bus_portable_mgr, "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 *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_free_ char *image = NULL;
+ const char *state, *method;
+ int r;
+
+ r = determine_image(argv[1], true, &image);
+ if (r < 0)
+ return r;
+
+ r = acquire_bus(&bus);
+ if (r < 0)
+ return r;
+
+ method = strv_isempty(arg_extension_images) ? "GetImageState" : "GetImageStateWithExtensions";
+
+ r = bus_message_new_method_call(bus, &m, bus_portable_mgr, method);
+ 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 = attach_extensions_to_message(m, method, arg_extension_images);
+ if (r < 0)
+ return r;
+
+ if (!strv_isempty(arg_extension_images)) {
+ r = sd_bus_message_append(m, "t", UINT64_C(0));
+ 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, "%s failed: %s", method, 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;
+ int r;
+
+ r = acquire_bus(&bus);
+ if (r < 0)
+ return r;
+
+ r = bus_get_property_strv(bus, bus_portable_mgr, "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) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ pager_open(arg_pager_flags);
+
+ r = terminal_urlify_man("portablectl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%s [OPTIONS...] COMMAND ...\n\n"
+ "%sAttach or detach portable services from the local system.%s\n"
+ "\nCommands:\n"
+ " list List available portable service images\n"
+ " attach NAME|PATH [PREFIX...]\n"
+ " Attach the specified portable service image\n"
+ " detach NAME|PATH [PREFIX...]\n"
+ " Detach the specified portable service image\n"
+ " reattach NAME|PATH [PREFIX...]\n"
+ " Reattach 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"
+ "\nOptions:\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"
+ " --enable Immediately enable/disable the portable service\n"
+ " after attach/detach\n"
+ " --now Immediately start/stop the portable service after\n"
+ " attach/before detach\n"
+ " --no-block Don't block waiting for attach --now to complete\n"
+ " --extension=PATH Extend the image with an overlay\n"
+ " --force Skip 'already active' check when attaching or\n"
+ " detaching an image (with extensions)\n"
+ "\nSee the %s for details.\n",
+ program_invocation_short_name,
+ ansi_highlight(),
+ ansi_normal(),
+ link);
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+ int r;
+
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_NO_PAGER,
+ ARG_NO_LEGEND,
+ ARG_NO_ASK_PASSWORD,
+ ARG_COPY,
+ ARG_RUNTIME,
+ ARG_NO_RELOAD,
+ ARG_CAT,
+ ARG_ENABLE,
+ ARG_NOW,
+ ARG_NO_BLOCK,
+ ARG_EXTENSION,
+ ARG_FORCE,
+ };
+
+ 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 },
+ { "enable", no_argument, NULL, ARG_ENABLE },
+ { "now", no_argument, NULL, ARG_NOW },
+ { "no-block", no_argument, NULL, ARG_NO_BLOCK },
+ { "extension", required_argument, NULL, ARG_EXTENSION },
+ { "force", no_argument, NULL, ARG_FORCE },
+ {}
+ };
+
+ 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':
+ return help(0, NULL, NULL);
+
+ case ARG_VERSION:
+ return version();
+
+ case ARG_NO_PAGER:
+ arg_pager_flags |= PAGER_DISABLE;
+ 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))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unit profile name not valid: %s", optarg);
+
+ 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
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Failed to parse --copy= argument: %s", optarg);
+
+ break;
+
+ case ARG_RUNTIME:
+ arg_runtime = true;
+ break;
+
+ case ARG_NO_RELOAD:
+ arg_reload = false;
+ break;
+
+ case ARG_CAT:
+ arg_cat = true;
+ break;
+
+ case ARG_ENABLE:
+ arg_enable = true;
+ break;
+
+ case ARG_NOW:
+ arg_now = true;
+ break;
+
+ case ARG_NO_BLOCK:
+ arg_no_block = true;
+ break;
+
+ case ARG_EXTENSION:
+ r = strv_extend(&arg_extension_images, optarg);
+ if (r < 0)
+ return log_oom();
+ break;
+
+ case ARG_FORCE:
+ arg_force = true;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached();
+ }
+ }
+
+ return 1;
+}
+
+static int run(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, VERB_ANY, 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 },
+ { "reattach", 2, VERB_ANY, 0, reattach_image },
+ {}
+ };
+
+ int r;
+
+ log_setup();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ return dispatch_verb(argc, argv, verbs, NULL);
+}
+
+DEFINE_MAIN_FUNCTION(run);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 16:50:58 +0000