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-rw-r--r--src/import/pull-raw.c983
1 files changed, 983 insertions, 0 deletions
diff --git a/src/import/pull-raw.c b/src/import/pull-raw.c
new file mode 100644
index 0000000..66c3f65
--- /dev/null
+++ b/src/import/pull-raw.c
@@ -0,0 +1,983 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <curl/curl.h>
+#include <linux/fs.h>
+#include <sys/xattr.h>
+
+#include "sd-daemon.h"
+
+#include "alloc-util.h"
+#include "btrfs-util.h"
+#include "copy.h"
+#include "curl-util.h"
+#include "fd-util.h"
+#include "fs-util.h"
+#include "hostname-util.h"
+#include "import-common.h"
+#include "import-util.h"
+#include "install-file.h"
+#include "macro.h"
+#include "mkdir-label.h"
+#include "path-util.h"
+#include "pull-common.h"
+#include "pull-job.h"
+#include "pull-raw.h"
+#include "qcow2-util.h"
+#include "rm-rf.h"
+#include "string-util.h"
+#include "strv.h"
+#include "tmpfile-util.h"
+#include "utf8.h"
+#include "web-util.h"
+
+typedef enum RawProgress {
+ RAW_DOWNLOADING,
+ RAW_VERIFYING,
+ RAW_UNPACKING,
+ RAW_FINALIZING,
+ RAW_COPYING,
+} RawProgress;
+
+struct RawPull {
+ sd_event *event;
+ CurlGlue *glue;
+
+ PullFlags flags;
+ ImportVerify verify;
+ char *image_root;
+
+ uint64_t offset;
+
+ PullJob *raw_job;
+ PullJob *checksum_job;
+ PullJob *signature_job;
+ PullJob *settings_job;
+ PullJob *roothash_job;
+ PullJob *roothash_signature_job;
+ PullJob *verity_job;
+
+ RawPullFinished on_finished;
+ void *userdata;
+
+ char *local; /* In PULL_DIRECT mode the path we are supposed to place things in, otherwise the
+ * machine name of the final copy we make */
+
+ char *final_path;
+ char *temp_path;
+
+ char *settings_path;
+ char *settings_temp_path;
+
+ char *roothash_path;
+ char *roothash_temp_path;
+
+ char *roothash_signature_path;
+ char *roothash_signature_temp_path;
+
+ char *verity_path;
+ char *verity_temp_path;
+
+ char *checksum;
+};
+
+RawPull* raw_pull_unref(RawPull *i) {
+ if (!i)
+ return NULL;
+
+ pull_job_unref(i->raw_job);
+ pull_job_unref(i->checksum_job);
+ pull_job_unref(i->signature_job);
+ pull_job_unref(i->settings_job);
+ pull_job_unref(i->roothash_job);
+ pull_job_unref(i->roothash_signature_job);
+ pull_job_unref(i->verity_job);
+
+ curl_glue_unref(i->glue);
+ sd_event_unref(i->event);
+
+ unlink_and_free(i->temp_path);
+ unlink_and_free(i->settings_temp_path);
+ unlink_and_free(i->roothash_temp_path);
+ unlink_and_free(i->roothash_signature_temp_path);
+ unlink_and_free(i->verity_temp_path);
+
+ free(i->final_path);
+ free(i->settings_path);
+ free(i->roothash_path);
+ free(i->roothash_signature_path);
+ free(i->verity_path);
+ free(i->image_root);
+ free(i->local);
+ free(i->checksum);
+
+ return mfree(i);
+}
+
+int raw_pull_new(
+ RawPull **ret,
+ sd_event *event,
+ const char *image_root,
+ RawPullFinished on_finished,
+ void *userdata) {
+
+ _cleanup_(curl_glue_unrefp) CurlGlue *g = NULL;
+ _cleanup_(sd_event_unrefp) sd_event *e = NULL;
+ _cleanup_(raw_pull_unrefp) RawPull *i = NULL;
+ _cleanup_free_ char *root = NULL;
+ int r;
+
+ assert(ret);
+
+ root = strdup(image_root ?: "/var/lib/machines");
+ if (!root)
+ return -ENOMEM;
+
+ if (event)
+ e = sd_event_ref(event);
+ else {
+ r = sd_event_default(&e);
+ if (r < 0)
+ return r;
+ }
+
+ r = curl_glue_new(&g, e);
+ if (r < 0)
+ return r;
+
+ i = new(RawPull, 1);
+ if (!i)
+ return -ENOMEM;
+
+ *i = (RawPull) {
+ .on_finished = on_finished,
+ .userdata = userdata,
+ .image_root = TAKE_PTR(root),
+ .event = TAKE_PTR(e),
+ .glue = TAKE_PTR(g),
+ .offset = UINT64_MAX,
+ };
+
+ i->glue->on_finished = pull_job_curl_on_finished;
+ i->glue->userdata = i;
+
+ *ret = TAKE_PTR(i);
+
+ return 0;
+}
+
+static void raw_pull_report_progress(RawPull *i, RawProgress p) {
+ unsigned percent;
+
+ assert(i);
+
+ switch (p) {
+
+ case RAW_DOWNLOADING: {
+ unsigned remain = 80;
+
+ percent = 0;
+
+ if (i->checksum_job) {
+ percent += i->checksum_job->progress_percent * 5 / 100;
+ remain -= 5;
+ }
+
+ if (i->signature_job) {
+ percent += i->signature_job->progress_percent * 5 / 100;
+ remain -= 5;
+ }
+
+ if (i->settings_job) {
+ percent += i->settings_job->progress_percent * 5 / 100;
+ remain -= 5;
+ }
+
+ if (i->roothash_job) {
+ percent += i->roothash_job->progress_percent * 5 / 100;
+ remain -= 5;
+ }
+
+ if (i->roothash_signature_job) {
+ percent += i->roothash_signature_job->progress_percent * 5 / 100;
+ remain -= 5;
+ }
+
+ if (i->verity_job) {
+ percent += i->verity_job->progress_percent * 10 / 100;
+ remain -= 10;
+ }
+
+ if (i->raw_job)
+ percent += i->raw_job->progress_percent * remain / 100;
+ break;
+ }
+
+ case RAW_VERIFYING:
+ percent = 80;
+ break;
+
+ case RAW_UNPACKING:
+ percent = 85;
+ break;
+
+ case RAW_FINALIZING:
+ percent = 90;
+ break;
+
+ case RAW_COPYING:
+ percent = 95;
+ break;
+
+ default:
+ assert_not_reached();
+ }
+
+ sd_notifyf(false, "X_IMPORT_PROGRESS=%u%%", percent);
+ log_debug("Combined progress %u%%", percent);
+}
+
+static int raw_pull_maybe_convert_qcow2(RawPull *i) {
+ _cleanup_(unlink_and_freep) char *t = NULL;
+ _cleanup_close_ int converted_fd = -EBADF;
+ _cleanup_free_ char *f = NULL;
+ int r;
+
+ assert(i);
+ assert(i->raw_job);
+ assert(!FLAGS_SET(i->flags, PULL_DIRECT));
+
+ if (!FLAGS_SET(i->flags, PULL_CONVERT_QCOW2))
+ return 0;
+
+ assert(i->final_path);
+ assert(i->raw_job->close_disk_fd);
+
+ r = qcow2_detect(i->raw_job->disk_fd);
+ if (r < 0)
+ return log_error_errno(r, "Failed to detect whether this is a QCOW2 image: %m");
+ if (r == 0)
+ return 0;
+
+ /* This is a QCOW2 image, let's convert it */
+ r = tempfn_random(i->final_path, NULL, &f);
+ if (r < 0)
+ return log_oom();
+
+ converted_fd = open(f, O_RDWR|O_CREAT|O_EXCL|O_NOCTTY|O_CLOEXEC, 0664);
+ if (converted_fd < 0)
+ return log_error_errno(errno, "Failed to create %s: %m", f);
+
+ t = TAKE_PTR(f);
+
+ (void) import_set_nocow_and_log(converted_fd, t);
+
+ log_info("Unpacking QCOW2 file.");
+
+ r = qcow2_convert(i->raw_job->disk_fd, converted_fd);
+ if (r < 0)
+ return log_error_errno(r, "Failed to convert qcow2 image: %m");
+
+ unlink_and_free(i->temp_path);
+ i->temp_path = TAKE_PTR(t);
+ close_and_replace(i->raw_job->disk_fd, converted_fd);
+
+ return 1;
+}
+
+static int raw_pull_determine_path(
+ RawPull *i,
+ const char *suffix,
+ char **field /* input + output (!) */) {
+ int r;
+
+ assert(i);
+ assert(field);
+
+ if (*field)
+ return 0;
+
+ assert(i->raw_job);
+
+ r = pull_make_path(i->raw_job->url, i->raw_job->etag, i->image_root, ".raw-", suffix, field);
+ if (r < 0)
+ return log_oom();
+
+ return 1;
+}
+
+static int raw_pull_copy_auxiliary_file(
+ RawPull *i,
+ const char *suffix,
+ char **path /* input + output (!) */) {
+
+ const char *local;
+ int r;
+
+ assert(i);
+ assert(suffix);
+ assert(path);
+
+ r = raw_pull_determine_path(i, suffix, path);
+ if (r < 0)
+ return r;
+
+ local = strjoina(i->image_root, "/", i->local, suffix);
+
+ r = copy_file_atomic(
+ *path,
+ local,
+ 0644,
+ COPY_REFLINK |
+ (FLAGS_SET(i->flags, PULL_FORCE) ? COPY_REPLACE : 0) |
+ (FLAGS_SET(i->flags, PULL_SYNC) ? COPY_FSYNC_FULL : 0));
+ if (r == -EEXIST)
+ log_warning_errno(r, "File %s already exists, not replacing.", local);
+ else if (r == -ENOENT)
+ log_debug_errno(r, "Skipping creation of auxiliary file, since none was found.");
+ else if (r < 0)
+ log_warning_errno(r, "Failed to copy file %s, ignoring: %m", local);
+ else
+ log_info("Created new file %s.", local);
+
+ return 0;
+}
+
+static int raw_pull_make_local_copy(RawPull *i) {
+ _cleanup_(unlink_and_freep) char *tp = NULL;
+ _cleanup_free_ char *f = NULL;
+ _cleanup_close_ int dfd = -EBADF;
+ const char *p;
+ int r;
+
+ assert(i);
+ assert(i->raw_job);
+ assert(!FLAGS_SET(i->flags, PULL_DIRECT));
+
+ if (!i->local)
+ return 0;
+
+ if (i->raw_job->etag_exists) {
+ /* We have downloaded this one previously, reopen it */
+
+ assert(i->raw_job->disk_fd < 0);
+
+ i->raw_job->disk_fd = open(i->final_path, O_RDONLY|O_NOCTTY|O_CLOEXEC);
+ if (i->raw_job->disk_fd < 0)
+ return log_error_errno(errno, "Failed to open vendor image: %m");
+ } else {
+ /* We freshly downloaded the image, use it */
+
+ assert(i->raw_job->disk_fd >= 0);
+ assert(i->offset == UINT64_MAX);
+
+ if (lseek(i->raw_job->disk_fd, SEEK_SET, 0) < 0)
+ return log_error_errno(errno, "Failed to seek to beginning of vendor image: %m");
+ }
+
+ p = strjoina(i->image_root, "/", i->local, ".raw");
+
+ r = tempfn_random(p, NULL, &f);
+ if (r < 0)
+ return log_oom();
+
+ dfd = open(f, O_WRONLY|O_CREAT|O_EXCL|O_NOCTTY|O_CLOEXEC, 0664);
+ if (dfd < 0)
+ return log_error_errno(errno, "Failed to create writable copy of image: %m");
+
+ tp = TAKE_PTR(f);
+
+ /* Turn off COW writing. This should greatly improve performance on COW file systems like btrfs,
+ * since it reduces fragmentation caused by not allowing in-place writes. */
+ (void) import_set_nocow_and_log(dfd, tp);
+
+ r = copy_bytes(i->raw_job->disk_fd, dfd, UINT64_MAX, COPY_REFLINK);
+ if (r < 0)
+ return log_error_errno(r, "Failed to make writable copy of image: %m");
+
+ (void) copy_times(i->raw_job->disk_fd, dfd, COPY_CRTIME);
+ (void) copy_xattr(i->raw_job->disk_fd, NULL, dfd, NULL, 0);
+
+ dfd = safe_close(dfd);
+
+ r = install_file(AT_FDCWD, tp,
+ AT_FDCWD, p,
+ (i->flags & PULL_FORCE ? INSTALL_REPLACE : 0) |
+ (i->flags & PULL_READ_ONLY ? INSTALL_READ_ONLY : 0) |
+ (i->flags & PULL_SYNC ? INSTALL_FSYNC_FULL : 0));
+ if (r < 0)
+ return log_error_errno(errno, "Failed to move local image into place '%s': %m", p);
+
+ tp = mfree(tp);
+
+ log_info("Created new local image '%s'.", i->local);
+
+ if (FLAGS_SET(i->flags, PULL_SETTINGS)) {
+ r = raw_pull_copy_auxiliary_file(i, ".nspawn", &i->settings_path);
+ if (r < 0)
+ return r;
+ }
+
+ if (FLAGS_SET(i->flags, PULL_ROOTHASH)) {
+ r = raw_pull_copy_auxiliary_file(i, ".roothash", &i->roothash_path);
+ if (r < 0)
+ return r;
+ }
+
+ if (FLAGS_SET(i->flags, PULL_ROOTHASH_SIGNATURE)) {
+ r = raw_pull_copy_auxiliary_file(i, ".roothash.p7s", &i->roothash_signature_path);
+ if (r < 0)
+ return r;
+ }
+
+ if (FLAGS_SET(i->flags, PULL_VERITY)) {
+ r = raw_pull_copy_auxiliary_file(i, ".verity", &i->verity_path);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static bool raw_pull_is_done(RawPull *i) {
+ assert(i);
+ assert(i->raw_job);
+
+ if (!PULL_JOB_IS_COMPLETE(i->raw_job))
+ return false;
+ if (i->checksum_job && !PULL_JOB_IS_COMPLETE(i->checksum_job))
+ return false;
+ if (i->signature_job && !PULL_JOB_IS_COMPLETE(i->signature_job))
+ return false;
+ if (i->settings_job && !PULL_JOB_IS_COMPLETE(i->settings_job))
+ return false;
+ if (i->roothash_job && !PULL_JOB_IS_COMPLETE(i->roothash_job))
+ return false;
+ if (i->roothash_signature_job && !PULL_JOB_IS_COMPLETE(i->roothash_signature_job))
+ return false;
+ if (i->verity_job && !PULL_JOB_IS_COMPLETE(i->verity_job))
+ return false;
+
+ return true;
+}
+
+static int raw_pull_rename_auxiliary_file(
+ RawPull *i,
+ const char *suffix,
+ char **temp_path,
+ char **path) {
+
+ int r;
+
+ assert(i);
+ assert(path);
+ assert(temp_path);
+ assert(*temp_path);
+ assert(suffix);
+
+ /* Regenerate final name for this auxiliary file, we might know the etag of the file now, and we should
+ * incorporate it in the file name if we can */
+ *path = mfree(*path);
+ r = raw_pull_determine_path(i, suffix, path);
+ if (r < 0)
+ return r;
+
+ r = install_file(
+ AT_FDCWD, *temp_path,
+ AT_FDCWD, *path,
+ INSTALL_READ_ONLY|
+ (i->flags & PULL_SYNC ? INSTALL_FSYNC_FULL : 0));
+ if (r < 0)
+ return log_error_errno(r, "Failed to move '%s' into place: %m", *path);
+
+ *temp_path = mfree(*temp_path);
+ return 1;
+}
+
+static void raw_pull_job_on_finished(PullJob *j) {
+ RawPull *i;
+ PullJob *jj;
+ int r;
+
+ assert(j);
+ assert(j->userdata);
+
+ i = j->userdata;
+
+ if (j->error != 0) {
+ /* Only the main job and the checksum job are fatal if they fail. The other fails are just
+ * "decoration", that we'll download if we can. The signature job isn't fatal here because we
+ * might not actually need it in case Suse style signatures are used, that are inline in the
+ * checksum file. */
+
+ if (j == i->raw_job) {
+ if (j->error == ENOMEDIUM) /* HTTP 404 */
+ r = log_error_errno(j->error, "Failed to retrieve image file. (Wrong URL?)");
+ else
+ r = log_error_errno(j->error, "Failed to retrieve image file.");
+ goto finish;
+ } else if (j == i->checksum_job) {
+ r = log_error_errno(j->error, "Failed to retrieve SHA256 checksum, cannot verify. (Try --verify=no?)");
+ 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 19:05:42 +0000