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We have free_and_replace() and friends, they are all named with lower letters, even they are macros, not functions. For consistency, let's rename CLOSE_AND_REPLACE() with lower letters. This also mekes the macro used more places.
986 lines
32 KiB
C
986 lines
32 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <curl/curl.h>
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#include <linux/fs.h>
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#include <sys/xattr.h>
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#include "sd-daemon.h"
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#include "alloc-util.h"
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#include "btrfs-util.h"
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#include "copy.h"
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#include "curl-util.h"
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#include "fd-util.h"
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#include "fs-util.h"
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#include "hostname-util.h"
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#include "import-common.h"
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#include "import-util.h"
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#include "install-file.h"
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#include "macro.h"
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#include "mkdir-label.h"
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#include "path-util.h"
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#include "pull-common.h"
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#include "pull-job.h"
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#include "pull-raw.h"
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#include "qcow2-util.h"
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#include "rm-rf.h"
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#include "string-util.h"
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#include "strv.h"
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#include "tmpfile-util.h"
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#include "utf8.h"
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#include "util.h"
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#include "web-util.h"
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typedef enum RawProgress {
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RAW_DOWNLOADING,
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RAW_VERIFYING,
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RAW_UNPACKING,
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RAW_FINALIZING,
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RAW_COPYING,
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} RawProgress;
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struct RawPull {
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sd_event *event;
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CurlGlue *glue;
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PullFlags flags;
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ImportVerify verify;
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char *image_root;
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uint64_t offset;
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PullJob *raw_job;
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PullJob *checksum_job;
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PullJob *signature_job;
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PullJob *settings_job;
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PullJob *roothash_job;
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PullJob *roothash_signature_job;
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PullJob *verity_job;
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RawPullFinished on_finished;
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void *userdata;
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char *local; /* In PULL_DIRECT mode the path we are supposed to place things in, otherwise the
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* machine name of the final copy we make */
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char *final_path;
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char *temp_path;
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char *settings_path;
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char *settings_temp_path;
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char *roothash_path;
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char *roothash_temp_path;
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char *roothash_signature_path;
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char *roothash_signature_temp_path;
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char *verity_path;
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char *verity_temp_path;
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char *checksum;
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};
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RawPull* raw_pull_unref(RawPull *i) {
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if (!i)
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return NULL;
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pull_job_unref(i->raw_job);
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pull_job_unref(i->checksum_job);
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pull_job_unref(i->signature_job);
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pull_job_unref(i->settings_job);
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pull_job_unref(i->roothash_job);
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pull_job_unref(i->roothash_signature_job);
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pull_job_unref(i->verity_job);
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curl_glue_unref(i->glue);
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sd_event_unref(i->event);
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unlink_and_free(i->temp_path);
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unlink_and_free(i->settings_temp_path);
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unlink_and_free(i->roothash_temp_path);
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unlink_and_free(i->roothash_signature_temp_path);
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unlink_and_free(i->verity_temp_path);
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free(i->final_path);
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free(i->settings_path);
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free(i->roothash_path);
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free(i->roothash_signature_path);
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free(i->verity_path);
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free(i->image_root);
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free(i->local);
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free(i->checksum);
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return mfree(i);
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}
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int raw_pull_new(
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RawPull **ret,
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sd_event *event,
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const char *image_root,
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RawPullFinished on_finished,
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void *userdata) {
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_cleanup_(curl_glue_unrefp) CurlGlue *g = NULL;
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_cleanup_(sd_event_unrefp) sd_event *e = NULL;
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_cleanup_(raw_pull_unrefp) RawPull *i = NULL;
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_cleanup_free_ char *root = NULL;
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int r;
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assert(ret);
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root = strdup(image_root ?: "/var/lib/machines");
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if (!root)
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return -ENOMEM;
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if (event)
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e = sd_event_ref(event);
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else {
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r = sd_event_default(&e);
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if (r < 0)
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return r;
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}
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r = curl_glue_new(&g, e);
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if (r < 0)
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return r;
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i = new(RawPull, 1);
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if (!i)
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return -ENOMEM;
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*i = (RawPull) {
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.on_finished = on_finished,
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.userdata = userdata,
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.image_root = TAKE_PTR(root),
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.event = TAKE_PTR(e),
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.glue = TAKE_PTR(g),
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.offset = UINT64_MAX,
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};
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i->glue->on_finished = pull_job_curl_on_finished;
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i->glue->userdata = i;
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*ret = TAKE_PTR(i);
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return 0;
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}
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static void raw_pull_report_progress(RawPull *i, RawProgress p) {
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unsigned percent;
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assert(i);
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switch (p) {
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case RAW_DOWNLOADING: {
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unsigned remain = 80;
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percent = 0;
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if (i->checksum_job) {
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percent += i->checksum_job->progress_percent * 5 / 100;
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remain -= 5;
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}
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if (i->signature_job) {
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percent += i->signature_job->progress_percent * 5 / 100;
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remain -= 5;
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}
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if (i->settings_job) {
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percent += i->settings_job->progress_percent * 5 / 100;
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remain -= 5;
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}
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if (i->roothash_job) {
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percent += i->roothash_job->progress_percent * 5 / 100;
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remain -= 5;
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}
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if (i->roothash_signature_job) {
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percent += i->roothash_signature_job->progress_percent * 5 / 100;
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remain -= 5;
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}
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if (i->verity_job) {
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percent += i->verity_job->progress_percent * 10 / 100;
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remain -= 10;
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}
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if (i->raw_job)
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percent += i->raw_job->progress_percent * remain / 100;
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break;
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}
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case RAW_VERIFYING:
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percent = 80;
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break;
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case RAW_UNPACKING:
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percent = 85;
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break;
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case RAW_FINALIZING:
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percent = 90;
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break;
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case RAW_COPYING:
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percent = 95;
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break;
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default:
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assert_not_reached();
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}
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sd_notifyf(false, "X_IMPORT_PROGRESS=%u", percent);
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log_debug("Combined progress %u%%", percent);
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}
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static int raw_pull_maybe_convert_qcow2(RawPull *i) {
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_cleanup_(unlink_and_freep) char *t = NULL;
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_cleanup_close_ int converted_fd = -1;
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_cleanup_free_ char *f = NULL;
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int r;
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assert(i);
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assert(i->raw_job);
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assert(!FLAGS_SET(i->flags, PULL_DIRECT));
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if (!FLAGS_SET(i->flags, PULL_CONVERT_QCOW2))
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return 0;
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assert(i->final_path);
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assert(i->raw_job->close_disk_fd);
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r = qcow2_detect(i->raw_job->disk_fd);
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if (r < 0)
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return log_error_errno(r, "Failed to detect whether this is a QCOW2 image: %m");
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if (r == 0)
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return 0;
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/* This is a QCOW2 image, let's convert it */
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r = tempfn_random(i->final_path, NULL, &f);
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if (r < 0)
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return log_oom();
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converted_fd = open(f, O_RDWR|O_CREAT|O_EXCL|O_NOCTTY|O_CLOEXEC, 0664);
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if (converted_fd < 0)
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return log_error_errno(errno, "Failed to create %s: %m", f);
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t = TAKE_PTR(f);
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(void) import_set_nocow_and_log(converted_fd, t);
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log_info("Unpacking QCOW2 file.");
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r = qcow2_convert(i->raw_job->disk_fd, converted_fd);
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if (r < 0)
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return log_error_errno(r, "Failed to convert qcow2 image: %m");
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unlink_and_free(i->temp_path);
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i->temp_path = TAKE_PTR(t);
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close_and_replace(i->raw_job->disk_fd, converted_fd);
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return 1;
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}
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static int raw_pull_determine_path(
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RawPull *i,
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const char *suffix,
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char **field /* input + output (!) */) {
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int r;
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assert(i);
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assert(field);
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if (*field)
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return 0;
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assert(i->raw_job);
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r = pull_make_path(i->raw_job->url, i->raw_job->etag, i->image_root, ".raw-", suffix, field);
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if (r < 0)
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return log_oom();
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return 1;
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}
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static int raw_pull_copy_auxiliary_file(
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RawPull *i,
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const char *suffix,
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char **path /* input + output (!) */) {
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const char *local;
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int r;
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assert(i);
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assert(suffix);
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assert(path);
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r = raw_pull_determine_path(i, suffix, path);
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if (r < 0)
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return r;
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local = strjoina(i->image_root, "/", i->local, suffix);
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r = copy_file_atomic(
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*path,
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local,
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0644,
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0, 0,
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COPY_REFLINK |
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(FLAGS_SET(i->flags, PULL_FORCE) ? COPY_REPLACE : 0) |
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(FLAGS_SET(i->flags, PULL_SYNC) ? COPY_FSYNC_FULL : 0));
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if (r == -EEXIST)
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log_warning_errno(r, "File %s already exists, not replacing.", local);
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else if (r == -ENOENT)
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log_debug_errno(r, "Skipping creation of auxiliary file, since none was found.");
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else if (r < 0)
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log_warning_errno(r, "Failed to copy file %s, ignoring: %m", local);
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else
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log_info("Created new file %s.", local);
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return 0;
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}
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static int raw_pull_make_local_copy(RawPull *i) {
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_cleanup_(unlink_and_freep) char *tp = NULL;
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_cleanup_free_ char *f = NULL;
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_cleanup_close_ int dfd = -1;
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const char *p;
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int r;
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assert(i);
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assert(i->raw_job);
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assert(!FLAGS_SET(i->flags, PULL_DIRECT));
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if (!i->local)
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return 0;
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if (i->raw_job->etag_exists) {
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/* We have downloaded this one previously, reopen it */
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assert(i->raw_job->disk_fd < 0);
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i->raw_job->disk_fd = open(i->final_path, O_RDONLY|O_NOCTTY|O_CLOEXEC);
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if (i->raw_job->disk_fd < 0)
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return log_error_errno(errno, "Failed to open vendor image: %m");
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} else {
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/* We freshly downloaded the image, use it */
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assert(i->raw_job->disk_fd >= 0);
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assert(i->offset == UINT64_MAX);
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if (lseek(i->raw_job->disk_fd, SEEK_SET, 0) == (off_t) -1)
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return log_error_errno(errno, "Failed to seek to beginning of vendor image: %m");
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}
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p = strjoina(i->image_root, "/", i->local, ".raw");
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r = tempfn_random(p, NULL, &f);
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if (r < 0)
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return log_oom();
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dfd = open(f, O_WRONLY|O_CREAT|O_EXCL|O_NOCTTY|O_CLOEXEC, 0664);
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if (dfd < 0)
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return log_error_errno(errno, "Failed to create writable copy of image: %m");
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tp = TAKE_PTR(f);
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/* Turn off COW writing. This should greatly improve performance on COW file systems like btrfs,
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* since it reduces fragmentation caused by not allowing in-place writes. */
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(void) import_set_nocow_and_log(dfd, tp);
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r = copy_bytes(i->raw_job->disk_fd, dfd, UINT64_MAX, COPY_REFLINK);
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if (r < 0)
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return log_error_errno(r, "Failed to make writable copy of image: %m");
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(void) copy_times(i->raw_job->disk_fd, dfd, COPY_CRTIME);
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(void) copy_xattr(i->raw_job->disk_fd, dfd, 0);
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dfd = safe_close(dfd);
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r = install_file(AT_FDCWD, tp,
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AT_FDCWD, p,
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(i->flags & PULL_FORCE ? INSTALL_REPLACE : 0) |
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(i->flags & PULL_READ_ONLY ? INSTALL_READ_ONLY : 0) |
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(i->flags & PULL_SYNC ? INSTALL_FSYNC_FULL : 0));
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if (r < 0)
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return log_error_errno(errno, "Failed to move local image into place '%s': %m", p);
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tp = mfree(tp);
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log_info("Created new local image '%s'.", i->local);
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if (FLAGS_SET(i->flags, PULL_SETTINGS)) {
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r = raw_pull_copy_auxiliary_file(i, ".nspawn", &i->settings_path);
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if (r < 0)
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return r;
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}
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if (FLAGS_SET(i->flags, PULL_ROOTHASH)) {
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r = raw_pull_copy_auxiliary_file(i, ".roothash", &i->roothash_path);
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if (r < 0)
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return r;
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}
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if (FLAGS_SET(i->flags, PULL_ROOTHASH_SIGNATURE)) {
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r = raw_pull_copy_auxiliary_file(i, ".roothash.p7s", &i->roothash_signature_path);
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if (r < 0)
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return r;
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}
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if (FLAGS_SET(i->flags, PULL_VERITY)) {
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r = raw_pull_copy_auxiliary_file(i, ".verity", &i->verity_path);
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if (r < 0)
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return r;
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}
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return 0;
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}
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static bool raw_pull_is_done(RawPull *i) {
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assert(i);
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assert(i->raw_job);
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if (!PULL_JOB_IS_COMPLETE(i->raw_job))
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return false;
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if (i->checksum_job && !PULL_JOB_IS_COMPLETE(i->checksum_job))
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return false;
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if (i->signature_job && !PULL_JOB_IS_COMPLETE(i->signature_job))
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return false;
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if (i->settings_job && !PULL_JOB_IS_COMPLETE(i->settings_job))
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return false;
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if (i->roothash_job && !PULL_JOB_IS_COMPLETE(i->roothash_job))
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return false;
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if (i->roothash_signature_job && !PULL_JOB_IS_COMPLETE(i->roothash_signature_job))
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return false;
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if (i->verity_job && !PULL_JOB_IS_COMPLETE(i->verity_job))
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return false;
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return true;
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}
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static int raw_pull_rename_auxiliary_file(
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RawPull *i,
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const char *suffix,
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char **temp_path,
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char **path) {
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int r;
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assert(i);
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assert(path);
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assert(temp_path);
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assert(*temp_path);
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assert(suffix);
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/* Regenerate final name for this auxiliary file, we might know the etag of the file now, and we should
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* incorporate it in the file name if we can */
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*path = mfree(*path);
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r = raw_pull_determine_path(i, suffix, path);
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if (r < 0)
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return r;
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r = install_file(
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AT_FDCWD, *temp_path,
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AT_FDCWD, *path,
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INSTALL_READ_ONLY|
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(i->flags & PULL_SYNC ? INSTALL_FSYNC_FULL : 0));
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if (r < 0)
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return log_error_errno(r, "Failed to move '%s' into place: %m", *path);
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*temp_path = mfree(*temp_path);
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return 1;
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}
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static void raw_pull_job_on_finished(PullJob *j) {
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RawPull *i;
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PullJob *jj;
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int r;
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assert(j);
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assert(j->userdata);
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i = j->userdata;
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if (j->error != 0) {
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/* Only the main job and the checksum job are fatal if they fail. The other fails are just
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* "decoration", that we'll download if we can. The signature job isn't fatal here because we
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* might not actually need it in case Suse style signatures are used, that are inline in the
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* checksum file. */
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if (j == i->raw_job) {
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if (j->error == ENOMEDIUM) /* HTTP 404 */
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r = log_error_errno(j->error, "Failed to retrieve image file. (Wrong URL?)");
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else
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r = log_error_errno(j->error, "Failed to retrieve image file.");
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goto finish;
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} else if (j == i->checksum_job) {
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r = log_error_errno(j->error, "Failed to retrieve SHA256 checksum, cannot verify. (Try --verify=no?)");
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goto finish;
|
|
} else if (j == i->signature_job)
|
|
log_debug_errno(j->error, "Signature job for %s failed, proceeding for now.", j->url);
|
|
else if (j == i->settings_job)
|
|
log_info_errno(j->error, "Settings file could not be retrieved, proceeding without.");
|
|
else if (j == i->roothash_job)
|
|
log_info_errno(j->error, "Root hash file could not be retrieved, proceeding without.");
|
|
else if (j == i->roothash_signature_job)
|
|
log_info_errno(j->error, "Root hash signature file could not be retrieved, proceeding without.");
|
|
else if (j == i->verity_job)
|
|
log_info_errno(j->error, "Verity integrity file could not be retrieved, proceeding without.");
|
|
else
|
|
assert_not_reached();
|
|
}
|
|
|
|
/* This is invoked if either the download completed successfully, or the download was skipped because
|
|
* we already have the etag. In this case ->etag_exists is true.
|
|
*
|
|
* We only do something when we got all files */
|
|
|
|
if (!raw_pull_is_done(i))
|
|
return;
|
|
|
|
if (i->signature_job && i->signature_job->error != 0) {
|
|
VerificationStyle style;
|
|
PullJob *verify_job;
|
|
|
|
/* The signature job failed. Let's see if we actually need it */
|
|
|
|
verify_job = i->checksum_job ?: i->raw_job; /* if the checksum job doesn't exist this must be
|
|
* because the main job is the checksum file
|
|
* itself */
|
|
|
|
assert(verify_job);
|
|
|
|
r = verification_style_from_url(verify_job->url, &style);
|
|
if (r < 0) {
|
|
log_error_errno(r, "Failed to determine verification style from checksum URL: %m");
|
|
goto finish;
|
|
}
|
|
|
|
if (style == VERIFICATION_PER_DIRECTORY) { /* A failed signature file download only matters
|
|
* in per-directory verification mode, since only
|
|
* then the signature is detached, and thus a file
|
|
* of its own. */
|
|
r = log_error_errno(i->signature_job->error,
|
|
"Failed to retrieve signature file, cannot verify. (Try --verify=no?)");
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
/* Let's close these auxiliary files now, we don't need access to them anymore. */
|
|
FOREACH_POINTER(jj, i->settings_job, i->roothash_job, i->roothash_signature_job, i->verity_job)
|
|
pull_job_close_disk_fd(jj);
|
|
|
|
if (!i->raw_job->etag_exists) {
|
|
raw_pull_report_progress(i, RAW_VERIFYING);
|
|
|
|
r = pull_verify(i->verify,
|
|
i->checksum,
|
|
i->raw_job,
|
|
i->checksum_job,
|
|
i->signature_job,
|
|
i->settings_job,
|
|
i->roothash_job,
|
|
i->roothash_signature_job,
|
|
i->verity_job);
|
|
if (r < 0)
|
|
goto finish;
|
|
}
|
|
|
|
if (i->flags & PULL_DIRECT) {
|
|
assert(!i->settings_job);
|
|
assert(!i->roothash_job);
|
|
assert(!i->roothash_signature_job);
|
|
assert(!i->verity_job);
|
|
|
|
raw_pull_report_progress(i, RAW_FINALIZING);
|
|
|
|
if (i->local) {
|
|
r = install_file(AT_FDCWD, i->local,
|
|
AT_FDCWD, NULL,
|
|
((i->flags & PULL_READ_ONLY) && i->offset == UINT64_MAX ? INSTALL_READ_ONLY : 0) |
|
|
(i->flags & PULL_SYNC ? INSTALL_FSYNC_FULL : 0));
|
|
if (r < 0) {
|
|
log_error_errno(r, "Failed to finalize raw file to '%s': %m", i->local);
|
|
goto finish;
|
|
}
|
|
}
|
|
} else {
|
|
r = raw_pull_determine_path(i, ".raw", &i->final_path);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
if (!i->raw_job->etag_exists) {
|
|
/* This is a new download, verify it, and move it into place */
|
|
|
|
assert(i->temp_path);
|
|
assert(i->final_path);
|
|
|
|
raw_pull_report_progress(i, RAW_UNPACKING);
|
|
|
|
r = raw_pull_maybe_convert_qcow2(i);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
raw_pull_report_progress(i, RAW_FINALIZING);
|
|
|
|
r = install_file(AT_FDCWD, i->temp_path,
|
|
AT_FDCWD, i->final_path,
|
|
INSTALL_READ_ONLY|
|
|
(i->flags & PULL_SYNC ? INSTALL_FSYNC_FULL : 0));
|
|
if (r < 0) {
|
|
log_error_errno(r, "Failed to move raw file to '%s': %m", i->final_path);
|
|
goto finish;
|
|
}
|
|
|
|
i->temp_path = mfree(i->temp_path);
|
|
|
|
if (i->settings_job &&
|
|
i->settings_job->error == 0) {
|
|
r = raw_pull_rename_auxiliary_file(i, ".nspawn", &i->settings_temp_path, &i->settings_path);
|
|
if (r < 0)
|
|
goto finish;
|
|
}
|
|
|
|
if (i->roothash_job &&
|
|
i->roothash_job->error == 0) {
|
|
r = raw_pull_rename_auxiliary_file(i, ".roothash", &i->roothash_temp_path, &i->roothash_path);
|
|
if (r < 0)
|
|
goto finish;
|
|
}
|
|
|
|
if (i->roothash_signature_job &&
|
|
i->roothash_signature_job->error == 0) {
|
|
r = raw_pull_rename_auxiliary_file(i, ".roothash.p7s", &i->roothash_signature_temp_path, &i->roothash_signature_path);
|
|
if (r < 0)
|
|
goto finish;
|
|
}
|
|
|
|
if (i->verity_job &&
|
|
i->verity_job->error == 0) {
|
|
r = raw_pull_rename_auxiliary_file(i, ".verity", &i->verity_temp_path, &i->verity_path);
|
|
if (r < 0)
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
raw_pull_report_progress(i, RAW_COPYING);
|
|
|
|
r = raw_pull_make_local_copy(i);
|
|
if (r < 0)
|
|
goto finish;
|
|
}
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
if (i->on_finished)
|
|
i->on_finished(i, r, i->userdata);
|
|
else
|
|
sd_event_exit(i->event, r);
|
|
}
|
|
|
|
static int raw_pull_job_on_open_disk_generic(
|
|
RawPull *i,
|
|
PullJob *j,
|
|
const char *extra,
|
|
char **temp_path /* input + output */) {
|
|
|
|
int r;
|
|
|
|
assert(i);
|
|
assert(j);
|
|
assert(extra);
|
|
assert(temp_path);
|
|
|
|
assert(!FLAGS_SET(i->flags, PULL_DIRECT));
|
|
|
|
if (!*temp_path) {
|
|
r = tempfn_random_child(i->image_root, extra, temp_path);
|
|
if (r < 0)
|
|
return log_oom();
|
|
}
|
|
|
|
(void) mkdir_parents_label(*temp_path, 0700);
|
|
|
|
j->disk_fd = open(*temp_path, O_RDWR|O_CREAT|O_EXCL|O_NOCTTY|O_CLOEXEC, 0664);
|
|
if (j->disk_fd < 0)
|
|
return log_error_errno(errno, "Failed to create %s: %m", *temp_path);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int raw_pull_job_on_open_disk_raw(PullJob *j) {
|
|
RawPull *i;
|
|
int r;
|
|
|
|
assert(j);
|
|
assert(j->userdata);
|
|
|
|
i = j->userdata;
|
|
assert(i->raw_job == j);
|
|
assert(j->disk_fd < 0);
|
|
|
|
if (i->flags & PULL_DIRECT) {
|
|
|
|
if (!i->local) { /* If no local name specified, the pull job will write its data to stdout */
|
|
j->disk_fd = STDOUT_FILENO;
|
|
j->close_disk_fd = false;
|
|
return 0;
|
|
}
|
|
|
|
(void) mkdir_parents_label(i->local, 0700);
|
|
|
|
j->disk_fd = open(i->local, O_RDWR|O_NOCTTY|O_CLOEXEC|(i->offset == UINT64_MAX ? O_TRUNC|O_CREAT : 0), 0664);
|
|
if (j->disk_fd < 0)
|
|
return log_error_errno(errno, "Failed to open destination '%s': %m", i->local);
|
|
|
|
if (i->offset == UINT64_MAX)
|
|
(void) import_set_nocow_and_log(j->disk_fd, i->local);
|
|
|
|
} else {
|
|
r = raw_pull_job_on_open_disk_generic(i, j, "raw", &i->temp_path);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
assert(i->offset == UINT64_MAX);
|
|
(void) import_set_nocow_and_log(j->disk_fd, i->temp_path);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int raw_pull_job_on_open_disk_settings(PullJob *j) {
|
|
RawPull *i;
|
|
|
|
assert(j);
|
|
assert(j->userdata);
|
|
|
|
i = j->userdata;
|
|
assert(i->settings_job == j);
|
|
|
|
return raw_pull_job_on_open_disk_generic(i, j, "settings", &i->settings_temp_path);
|
|
}
|
|
|
|
static int raw_pull_job_on_open_disk_roothash(PullJob *j) {
|
|
RawPull *i;
|
|
|
|
assert(j);
|
|
assert(j->userdata);
|
|
|
|
i = j->userdata;
|
|
assert(i->roothash_job == j);
|
|
|
|
return raw_pull_job_on_open_disk_generic(i, j, "roothash", &i->roothash_temp_path);
|
|
}
|
|
|
|
static int raw_pull_job_on_open_disk_roothash_signature(PullJob *j) {
|
|
RawPull *i;
|
|
|
|
assert(j);
|
|
assert(j->userdata);
|
|
|
|
i = j->userdata;
|
|
assert(i->roothash_signature_job == j);
|
|
|
|
return raw_pull_job_on_open_disk_generic(i, j, "roothash.p7s", &i->roothash_signature_temp_path);
|
|
}
|
|
|
|
static int raw_pull_job_on_open_disk_verity(PullJob *j) {
|
|
RawPull *i;
|
|
|
|
assert(j);
|
|
assert(j->userdata);
|
|
|
|
i = j->userdata;
|
|
assert(i->verity_job == j);
|
|
|
|
return raw_pull_job_on_open_disk_generic(i, j, "verity", &i->verity_temp_path);
|
|
}
|
|
|
|
static void raw_pull_job_on_progress(PullJob *j) {
|
|
RawPull *i;
|
|
|
|
assert(j);
|
|
assert(j->userdata);
|
|
|
|
i = j->userdata;
|
|
|
|
raw_pull_report_progress(i, RAW_DOWNLOADING);
|
|
}
|
|
|
|
int raw_pull_start(
|
|
RawPull *i,
|
|
const char *url,
|
|
const char *local,
|
|
uint64_t offset,
|
|
uint64_t size_max,
|
|
PullFlags flags,
|
|
ImportVerify verify,
|
|
const char *checksum) {
|
|
|
|
PullJob *j;
|
|
int r;
|
|
|
|
assert(i);
|
|
assert(url);
|
|
assert(verify == _IMPORT_VERIFY_INVALID || verify < _IMPORT_VERIFY_MAX);
|
|
assert(verify == _IMPORT_VERIFY_INVALID || verify >= 0);
|
|
assert((verify < 0) || !checksum);
|
|
assert(!(flags & ~PULL_FLAGS_MASK_RAW));
|
|
assert(offset == UINT64_MAX || FLAGS_SET(flags, PULL_DIRECT));
|
|
assert(!(flags & (PULL_SETTINGS|PULL_ROOTHASH|PULL_ROOTHASH_SIGNATURE|PULL_VERITY)) || !(flags & PULL_DIRECT));
|
|
assert(!(flags & (PULL_SETTINGS|PULL_ROOTHASH|PULL_ROOTHASH_SIGNATURE|PULL_VERITY)) || !checksum);
|
|
|
|
if (!http_url_is_valid(url) && !file_url_is_valid(url))
|
|
return -EINVAL;
|
|
|
|
if (local && !pull_validate_local(local, flags))
|
|
return -EINVAL;
|
|
|
|
if (i->raw_job)
|
|
return -EBUSY;
|
|
|
|
r = free_and_strdup(&i->local, local);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = free_and_strdup(&i->checksum, checksum);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
i->flags = flags;
|
|
i->verify = verify;
|
|
|
|
/* Queue job for the image itself */
|
|
r = pull_job_new(&i->raw_job, url, i->glue, i);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
i->raw_job->on_finished = raw_pull_job_on_finished;
|
|
i->raw_job->on_open_disk = raw_pull_job_on_open_disk_raw;
|
|
|
|
if (checksum)
|
|
i->raw_job->calc_checksum = true;
|
|
else if (verify != IMPORT_VERIFY_NO) {
|
|
/* Calculate checksum of the main download unless the users asks for a SHA256SUM file or its
|
|
* signature, which we let gpg verify instead. */
|
|
|
|
r = pull_url_needs_checksum(url);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
i->raw_job->calc_checksum = r;
|
|
i->raw_job->force_memory = true; /* make sure this is both written to disk if that's
|
|
* requested and into memory, since we need to verify it */
|
|
}
|
|
|
|
if (size_max != UINT64_MAX)
|
|
i->raw_job->uncompressed_max = size_max;
|
|
if (offset != UINT64_MAX)
|
|
i->raw_job->offset = i->offset = offset;
|
|
|
|
if (!FLAGS_SET(flags, PULL_DIRECT)) {
|
|
r = pull_find_old_etags(url, i->image_root, DT_REG, ".raw-", ".raw", &i->raw_job->old_etags);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
r = pull_make_verification_jobs(
|
|
&i->checksum_job,
|
|
&i->signature_job,
|
|
verify,
|
|
i->checksum,
|
|
url,
|
|
i->glue,
|
|
raw_pull_job_on_finished,
|
|
i);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (FLAGS_SET(flags, PULL_SETTINGS)) {
|
|
r = pull_make_auxiliary_job(
|
|
&i->settings_job,
|
|
url,
|
|
raw_strip_suffixes,
|
|
".nspawn",
|
|
verify,
|
|
i->glue,
|
|
raw_pull_job_on_open_disk_settings,
|
|
raw_pull_job_on_finished,
|
|
i);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
if (FLAGS_SET(flags, PULL_ROOTHASH)) {
|
|
r = pull_make_auxiliary_job(
|
|
&i->roothash_job,
|
|
url,
|
|
raw_strip_suffixes,
|
|
".roothash",
|
|
verify,
|
|
i->glue,
|
|
raw_pull_job_on_open_disk_roothash,
|
|
raw_pull_job_on_finished,
|
|
i);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
if (FLAGS_SET(flags, PULL_ROOTHASH_SIGNATURE)) {
|
|
r = pull_make_auxiliary_job(
|
|
&i->roothash_signature_job,
|
|
url,
|
|
raw_strip_suffixes,
|
|
".roothash.p7s",
|
|
verify,
|
|
i->glue,
|
|
raw_pull_job_on_open_disk_roothash_signature,
|
|
raw_pull_job_on_finished,
|
|
i);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
if (FLAGS_SET(flags, PULL_VERITY)) {
|
|
r = pull_make_auxiliary_job(
|
|
&i->verity_job,
|
|
url,
|
|
raw_strip_suffixes,
|
|
".verity",
|
|
verify,
|
|
i->glue,
|
|
raw_pull_job_on_open_disk_verity,
|
|
raw_pull_job_on_finished,
|
|
i);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
FOREACH_POINTER(j,
|
|
i->raw_job,
|
|
i->checksum_job,
|
|
i->signature_job,
|
|
i->settings_job,
|
|
i->roothash_job,
|
|
i->roothash_signature_job,
|
|
i->verity_job) {
|
|
|
|
if (!j)
|
|
continue;
|
|
|
|
j->on_progress = raw_pull_job_on_progress;
|
|
j->sync = FLAGS_SET(flags, PULL_SYNC);
|
|
|
|
r = pull_job_begin(j);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|