diff options
Diffstat (limited to 'src/import/pull.c')
-rw-r--r-- | src/import/pull.c | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/src/import/pull.c b/src/import/pull.c deleted file mode 100644 index 53b1211965..0000000000 --- a/src/import/pull.c +++ /dev/null @@ -1,337 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2014 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 "sd-event.h" - -#include "alloc-util.h" -#include "hostname-util.h" -#include "import-util.h" -#include "machine-image.h" -#include "parse-util.h" -#include "pull-raw.h" -#include "pull-tar.h" -#include "signal-util.h" -#include "string-util.h" -#include "verbs.h" -#include "web-util.h" - -static bool arg_force = false; -static const char *arg_image_root = "/var/lib/machines"; -static ImportVerify arg_verify = IMPORT_VERIFY_SIGNATURE; -static bool arg_settings = true; - -static int interrupt_signal_handler(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) { - log_notice("Transfer aborted."); - sd_event_exit(sd_event_source_get_event(s), EINTR); - return 0; -} - -static void on_tar_finished(TarPull *pull, int error, void *userdata) { - sd_event *event = userdata; - assert(pull); - - if (error == 0) - log_info("Operation completed successfully."); - - sd_event_exit(event, abs(error)); -} - -static int pull_tar(int argc, char *argv[], void *userdata) { - _cleanup_(tar_pull_unrefp) TarPull *pull = NULL; - _cleanup_(sd_event_unrefp) sd_event *event = NULL; - const char *url, *local; - _cleanup_free_ char *l = NULL, *ll = NULL; - int r; - - url = argv[1]; - if (!http_url_is_valid(url)) { - log_error("URL '%s' is not valid.", url); - return -EINVAL; - } - - if (argc >= 3) - local = argv[2]; - else { - r = import_url_last_component(url, &l); - if (r < 0) - return log_error_errno(r, "Failed get final component of URL: %m"); - - local = l; - } - - if (isempty(local) || streq(local, "-")) - local = NULL; - - if (local) { - r = tar_strip_suffixes(local, &ll); - if (r < 0) - return log_oom(); - - local = ll; - - if (!machine_name_is_valid(local)) { - log_error("Local image name '%s' is not valid.", local); - return -EINVAL; - } - - if (!arg_force) { - r = image_find(local, NULL); - if (r < 0) - return log_error_errno(r, "Failed to check whether image '%s' exists: %m", local); - else if (r > 0) { - log_error("Image '%s' already exists.", local); - return -EEXIST; - } - } - - log_info("Pulling '%s', saving as '%s'.", url, local); - } else - log_info("Pulling '%s'.", url); - - r = sd_event_default(&event); - if (r < 0) - return log_error_errno(r, "Failed to allocate event loop: %m"); - - assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); - (void) sd_event_add_signal(event, NULL, SIGTERM, interrupt_signal_handler, NULL); - (void) sd_event_add_signal(event, NULL, SIGINT, interrupt_signal_handler, NULL); - - r = tar_pull_new(&pull, event, arg_image_root, on_tar_finished, event); - if (r < 0) - return log_error_errno(r, "Failed to allocate puller: %m"); - - r = tar_pull_start(pull, url, local, arg_force, arg_verify, arg_settings); - if (r < 0) - return log_error_errno(r, "Failed to pull image: %m"); - - r = sd_event_loop(event); - if (r < 0) - return log_error_errno(r, "Failed to run event loop: %m"); - - log_info("Exiting."); - return -r; -} - -static void on_raw_finished(RawPull *pull, int error, void *userdata) { - sd_event *event = userdata; - assert(pull); - - if (error == 0) - log_info("Operation completed successfully."); - - sd_event_exit(event, abs(error)); -} - -static int pull_raw(int argc, char *argv[], void *userdata) { - _cleanup_(raw_pull_unrefp) RawPull *pull = NULL; - _cleanup_(sd_event_unrefp) sd_event *event = NULL; - const char *url, *local; - _cleanup_free_ char *l = NULL, *ll = NULL; - int r; - - url = argv[1]; - if (!http_url_is_valid(url)) { - log_error("URL '%s' is not valid.", url); - return -EINVAL; - } - - if (argc >= 3) - local = argv[2]; - else { - r = import_url_last_component(url, &l); - if (r < 0) - return log_error_errno(r, "Failed get final component of URL: %m"); - - local = l; - } - - if (isempty(local) || streq(local, "-")) - local = NULL; - - if (local) { - r = raw_strip_suffixes(local, &ll); - if (r < 0) - return log_oom(); - - local = ll; - - if (!machine_name_is_valid(local)) { - log_error("Local image name '%s' is not valid.", local); - return -EINVAL; - } - - if (!arg_force) { - r = image_find(local, NULL); - if (r < 0) - return log_error_errno(r, "Failed to check whether image '%s' exists: %m", local); - else if (r > 0) { - log_error("Image '%s' already exists.", local); - return -EEXIST; - } - } - - log_info("Pulling '%s', saving as '%s'.", url, local); - } else - log_info("Pulling '%s'.", url); - - r = sd_event_default(&event); - if (r < 0) - return log_error_errno(r, "Failed to allocate event loop: %m"); - - assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); - (void) sd_event_add_signal(event, NULL, SIGTERM, interrupt_signal_handler, NULL); - (void) sd_event_add_signal(event, NULL, SIGINT, interrupt_signal_handler, NULL); - - r = raw_pull_new(&pull, event, arg_image_root, on_raw_finished, event); - if (r < 0) - return log_error_errno(r, "Failed to allocate puller: %m"); - - r = raw_pull_start(pull, url, local, arg_force, arg_verify, arg_settings); - if (r < 0) - return log_error_errno(r, "Failed to pull image: %m"); - - r = sd_event_loop(event); - if (r < 0) - return log_error_errno(r, "Failed to run event loop: %m"); - - log_info("Exiting."); - return -r; -} - -static int help(int argc, char *argv[], void *userdata) { - - printf("%s [OPTIONS...] {COMMAND} ...\n\n" - "Download container or virtual machine images.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --force Force creation of image\n" - " --verify=MODE Verify downloaded image, one of: 'no',\n" - " 'checksum', 'signature'\n" - " --settings=BOOL Download settings file with image\n" - " --image-root=PATH Image root directory\n\n" - "Commands:\n" - " tar URL [NAME] Download a TAR image\n" - " raw URL [NAME] Download a RAW image\n", - program_invocation_short_name); - - return 0; -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_VERSION = 0x100, - ARG_FORCE, - ARG_IMAGE_ROOT, - ARG_VERIFY, - ARG_SETTINGS, - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "force", no_argument, NULL, ARG_FORCE }, - { "image-root", required_argument, NULL, ARG_IMAGE_ROOT }, - { "verify", required_argument, NULL, ARG_VERIFY }, - { "settings", required_argument, NULL, ARG_SETTINGS }, - {} - }; - - int c, r; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) - - switch (c) { - - case 'h': - return help(0, NULL, NULL); - - case ARG_VERSION: - return version(); - - case ARG_FORCE: - arg_force = true; - break; - - case ARG_IMAGE_ROOT: - arg_image_root = optarg; - break; - - case ARG_VERIFY: - arg_verify = import_verify_from_string(optarg); - if (arg_verify < 0) { - log_error("Invalid verification setting '%s'", optarg); - return -EINVAL; - } - - break; - - case ARG_SETTINGS: - r = parse_boolean(optarg); - if (r < 0) - return log_error_errno(r, "Failed to parse --settings= parameter '%s'", optarg); - - arg_settings = r; - break; - - case '?': - return -EINVAL; - - default: - assert_not_reached("Unhandled option"); - } - - return 1; -} - -static int pull_main(int argc, char *argv[]) { - - static const Verb verbs[] = { - { "help", VERB_ANY, VERB_ANY, 0, help }, - { "tar", 2, 3, 0, pull_tar }, - { "raw", 2, 3, 0, pull_raw }, - {} - }; - - return dispatch_verb(argc, argv, verbs, NULL); -} - -int main(int argc, char *argv[]) { - int r; - - setlocale(LC_ALL, ""); - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r <= 0) - goto finish; - - (void) ignore_signals(SIGPIPE, -1); - - r = pull_main(argc, argv); - -finish: - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} |