static gboolean
meta_monitor_manager_handle_get_crtc_gamma (MetaDBusDisplayConfig *skeleton,
GDBusMethodInvocation *invocation,
guint serial,
guint crtc_id)
{
MetaMonitorManager *manager = META_MONITOR_MANAGER (skeleton);
MetaMonitorManagerClass *klass;
MetaCRTC *crtc;
gsize size;
unsigned short *red;
unsigned short *green;
unsigned short *blue;
GBytes *red_bytes, *green_bytes, *blue_bytes;
GVariant *red_v, *green_v, *blue_v;
if (serial != manager->serial)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_ACCESS_DENIED,
"The requested configuration is based on stale information");
return TRUE;
}
if (crtc_id >= manager->n_crtcs)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_INVALID_ARGS,
"Invalid crtc id");
return TRUE;
}
crtc = &manager->crtcs[crtc_id];
klass = META_MONITOR_MANAGER_GET_CLASS (manager);
if (klass->get_crtc_gamma)
klass->get_crtc_gamma (manager, crtc, &size, &red, &green, &blue);
else
{
size = 0;
red = green = blue = NULL;
}
red_bytes = g_bytes_new_take (red, size * sizeof (unsigned short));
green_bytes = g_bytes_new_take (green, size * sizeof (unsigned short));
blue_bytes = g_bytes_new_take (blue, size * sizeof (unsigned short));
red_v = g_variant_new_from_bytes (G_VARIANT_TYPE ("aq"), red_bytes, TRUE);
green_v = g_variant_new_from_bytes (G_VARIANT_TYPE ("aq"), green_bytes, TRUE);
blue_v = g_variant_new_from_bytes (G_VARIANT_TYPE ("aq"), blue_bytes, TRUE);
meta_dbus_display_config_complete_get_crtc_gamma (skeleton, invocation,
red_v, green_v, blue_v);
g_bytes_unref (red_bytes);
g_bytes_unref (green_bytes);
g_bytes_unref (blue_bytes);
return TRUE;
}
gboolean
_ostree_static_delta_part_execute (OstreeRepo *repo,
GVariant *header,
GBytes *part_bytes,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gsize partlen;
const guint8*partdata;
gs_unref_bytes GBytes *part_payload_bytes = NULL;
gs_unref_bytes GBytes *payload_data = NULL;
gs_unref_variant GVariant *payload = NULL;
guint8 comptype;
partdata = g_bytes_get_data (part_bytes, &partlen);
if (partlen < 1)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Corrupted 0 length delta part");
goto out;
}
/* First byte is compression type */
comptype = partdata[0];
/* Then the rest may be compressed or uncompressed */
part_payload_bytes = g_bytes_new_from_bytes (part_bytes, 1, partlen - 1);
switch (comptype)
{
case 0:
/* No compression */
payload_data = g_bytes_ref (part_payload_bytes);
break;
case 'x':
{
gs_unref_object GConverter *decomp =
(GConverter*) _ostree_lzma_decompressor_new ();
if (!decompress_all (decomp, part_payload_bytes, &payload_data,
cancellable, error))
goto out;
}
break;
default:
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid compression type '%u'", comptype);
goto out;
}
payload = g_variant_new_from_bytes (G_VARIANT_TYPE (OSTREE_STATIC_DELTA_PART_PAYLOAD_FORMAT_V0),
payload_data, FALSE);
if (!_ostree_static_delta_part_execute_raw (repo, header, payload,
cancellable, error))
goto out;
ret = TRUE;
out:
return ret;
}
GVariant *
ot_variant_new_from_bytes (const GVariantType *type,
GBytes *bytes,
gboolean trusted)
{
#if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_36
return g_variant_new_from_bytes (type, bytes, trusted);
#else
gsize size;
gconstpointer data = g_bytes_get_data (bytes, &size);
g_bytes_ref (bytes);
return g_variant_new_from_data (type, data, size, trusted,
(GDestroyNotify)g_bytes_unref, bytes);
#endif
}
static gboolean
commit_checksum_from_any_summary (OstreeRepo *repo,
const gchar *remote_name,
const gchar *ref,
const gchar *summary_url,
GCancellable *cancellable,
gchar **out_checksum,
EosExtensions **out_extensions,
GError **error)
{
g_autoptr(GBytes) contents = NULL;
g_autoptr(GBytes) signature = NULL;
g_autoptr(OstreeGpgVerifyResult) gpg_result = NULL;
g_autoptr(GVariant) summary = NULL;
g_autofree gchar *checksum = NULL;
g_autoptr(EosExtensions) extensions = NULL;
if (!must_download_file_and_signature (summary_url, &contents, &signature, error))
return FALSE;
gpg_result = ostree_repo_verify_summary (repo,
remote_name,
contents,
signature,
cancellable,
error);
if (!ostree_gpg_verify_result_require_valid_signature (gpg_result, error))
return FALSE;
summary = g_variant_ref_sink (g_variant_new_from_bytes (OSTREE_SUMMARY_GVARIANT_FORMAT,
contents,
FALSE));
checksum = get_commit_checksum_from_summary (summary, ref, error);
if (checksum == NULL)
return FALSE;
extensions = eos_extensions_new_empty ();
extensions->summary = g_steal_pointer (&contents);
extensions->summary_sig = g_steal_pointer (&signature);
*out_checksum = g_steal_pointer (&checksum);
*out_extensions = g_steal_pointer (&extensions);
return TRUE;
}
static GVariant *
gdk_pixbuf_serialize (GIcon *icon)
{
GError *error = NULL;
GVariant *result;
GBytes *bytes;
bytes = gdk_pixbuf_make_bytes (GDK_PIXBUF (icon), &error);
if (!bytes)
{
g_critical ("Unable to serialise GdkPixbuf to png (via g_icon_serialize()): %s", error->message);
g_error_free (error);
return NULL;
}
result = g_variant_new_from_bytes (G_VARIANT_TYPE_BYTESTRING, bytes, TRUE);
g_bytes_unref (bytes);
return g_variant_new ("(sv)", "bytes", result);
}
gboolean
_ostree_static_delta_part_open (GInputStream *part_in,
GBytes *inline_part_bytes,
OstreeStaticDeltaOpenFlags flags,
const char *expected_checksum,
GVariant **out_part,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
const gboolean trusted = (flags & OSTREE_STATIC_DELTA_OPEN_FLAGS_VARIANT_TRUSTED) > 0;
const gboolean skip_checksum = (flags & OSTREE_STATIC_DELTA_OPEN_FLAGS_SKIP_CHECKSUM) > 0;
gsize bytes_read;
guint8 comptype;
g_autoptr(GChecksum) checksum = NULL;
g_autoptr(GInputStream) checksum_in = NULL;
g_autoptr(GVariant) ret_part = NULL;
GInputStream *source_in;
/* We either take a fd or a GBytes reference */
g_return_val_if_fail (G_IS_FILE_DESCRIPTOR_BASED (part_in) || inline_part_bytes != NULL, FALSE);
g_return_val_if_fail (skip_checksum || expected_checksum != NULL, FALSE);
if (!skip_checksum)
{
checksum = g_checksum_new (G_CHECKSUM_SHA256);
checksum_in = (GInputStream*)ostree_checksum_input_stream_new (part_in, checksum);
source_in = checksum_in;
}
else
{
source_in = part_in;
}
{ guint8 buf[1];
/* First byte is compression type */
if (!g_input_stream_read_all (source_in, buf, sizeof(buf), &bytes_read,
cancellable, error))
{
g_prefix_error (error, "Reading initial compression flag byte: ");
goto out;
}
comptype = buf[0];
}
switch (comptype)
{
case 0:
if (!inline_part_bytes)
{
int part_fd = g_file_descriptor_based_get_fd ((GFileDescriptorBased*)part_in);
/* No compression, no checksums - a fast path */
if (!ot_util_variant_map_fd (part_fd, 1, G_VARIANT_TYPE (OSTREE_STATIC_DELTA_PART_PAYLOAD_FORMAT_V0),
trusted, &ret_part, error))
goto out;
}
else
{
g_autoptr(GBytes) content_bytes = g_bytes_new_from_bytes (inline_part_bytes, 1,
g_bytes_get_size (inline_part_bytes) - 1);
ret_part = g_variant_new_from_bytes (G_VARIANT_TYPE (OSTREE_STATIC_DELTA_PART_PAYLOAD_FORMAT_V0),
content_bytes, trusted);
g_variant_ref_sink (ret_part);
}
if (!skip_checksum)
g_checksum_update (checksum, g_variant_get_data (ret_part),
g_variant_get_size (ret_part));
break;
case 'x':
{
g_autofree char *tmppath = g_strdup ("/var/tmp/ostree-delta-XXXXXX");
g_autoptr(GConverter) decomp = (GConverter*) _ostree_lzma_decompressor_new ();
g_autoptr(GInputStream) convin = g_converter_input_stream_new (source_in, decomp);
g_autoptr(GOutputStream) unpacked_out = NULL;
glnx_fd_close int unpacked_fd = -1;
gssize n_bytes_written;
unpacked_fd = g_mkstemp_full (tmppath, O_RDWR | O_CLOEXEC, 0640);
if (unpacked_fd < 0)
{
glnx_set_error_from_errno (error);
goto out;
}
/* Now make it autocleanup on process exit - in the future, we
* should consider caching unpacked deltas as well.
*/
if (unlink (tmppath) < 0)
{
glnx_set_error_from_errno (error);
goto out;
}
unpacked_out = g_unix_output_stream_new (unpacked_fd, FALSE);
n_bytes_written = g_output_stream_splice (unpacked_out, convin,
G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE |
G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
cancellable, error);
if (n_bytes_written < 0)
goto out;
if (!ot_util_variant_map_fd (unpacked_fd, 0, G_VARIANT_TYPE (OSTREE_STATIC_DELTA_PART_PAYLOAD_FORMAT_V0),
trusted, &ret_part, error))
goto out;
}
break;
default:
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid compression type '%u'", comptype);
goto out;
}
if (checksum)
{
const char *actual_checksum = g_checksum_get_string (checksum);
g_assert (expected_checksum != NULL);
if (strcmp (actual_checksum, expected_checksum) != 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Checksum mismatch in static delta part; expected=%s actual=%s",
expected_checksum, actual_checksum);
goto out;
}
}
ret = TRUE;
*out_part = g_steal_pointer (&ret_part);
out:
return ret;
}
static gboolean
meta_monitor_manager_handle_get_resources (MetaDBusDisplayConfig *skeleton,
GDBusMethodInvocation *invocation)
{
MetaMonitorManager *manager = META_MONITOR_MANAGER (skeleton);
MetaMonitorManagerClass *manager_class = META_MONITOR_MANAGER_GET_CLASS (skeleton);
GVariantBuilder crtc_builder, output_builder, mode_builder;
unsigned int i, j;
g_variant_builder_init (&crtc_builder, G_VARIANT_TYPE ("a(uxiiiiiuaua{sv})"));
g_variant_builder_init (&output_builder, G_VARIANT_TYPE ("a(uxiausauaua{sv})"));
g_variant_builder_init (&mode_builder, G_VARIANT_TYPE ("a(uxuud)"));
for (i = 0; i < manager->n_crtcs; i++)
{
MetaCRTC *crtc = &manager->crtcs[i];
GVariantBuilder transforms;
g_variant_builder_init (&transforms, G_VARIANT_TYPE ("au"));
for (j = 0; j <= WL_OUTPUT_TRANSFORM_FLIPPED_270; j++)
if (crtc->all_transforms & (1 << j))
g_variant_builder_add (&transforms, "u", j);
g_variant_builder_add (&crtc_builder, "(uxiiiiiuaua{sv})",
i, /* ID */
(gint64)crtc->crtc_id,
(int)crtc->rect.x,
(int)crtc->rect.y,
(int)crtc->rect.width,
(int)crtc->rect.height,
(int)(crtc->current_mode ? crtc->current_mode - manager->modes : -1),
(guint32)crtc->transform,
&transforms,
NULL /* properties */);
}
for (i = 0; i < manager->n_outputs; i++)
{
MetaOutput *output = &manager->outputs[i];
GVariantBuilder crtcs, modes, clones, properties;
GBytes *edid;
char *edid_file;
g_variant_builder_init (&crtcs, G_VARIANT_TYPE ("au"));
for (j = 0; j < output->n_possible_crtcs; j++)
g_variant_builder_add (&crtcs, "u",
(unsigned)(output->possible_crtcs[j] - manager->crtcs));
g_variant_builder_init (&modes, G_VARIANT_TYPE ("au"));
for (j = 0; j < output->n_modes; j++)
g_variant_builder_add (&modes, "u",
(unsigned)(output->modes[j] - manager->modes));
g_variant_builder_init (&clones, G_VARIANT_TYPE ("au"));
for (j = 0; j < output->n_possible_clones; j++)
g_variant_builder_add (&clones, "u",
(unsigned)(output->possible_clones[j] - manager->outputs));
g_variant_builder_init (&properties, G_VARIANT_TYPE ("a{sv}"));
g_variant_builder_add (&properties, "{sv}", "vendor",
g_variant_new_string (output->vendor));
g_variant_builder_add (&properties, "{sv}", "product",
g_variant_new_string (output->product));
g_variant_builder_add (&properties, "{sv}", "serial",
g_variant_new_string (output->serial));
g_variant_builder_add (&properties, "{sv}", "width-mm",
g_variant_new_int32 (output->width_mm));
g_variant_builder_add (&properties, "{sv}", "height-mm",
g_variant_new_int32 (output->height_mm));
g_variant_builder_add (&properties, "{sv}", "display-name",
g_variant_new_take_string (make_display_name (manager, output)));
g_variant_builder_add (&properties, "{sv}", "backlight",
g_variant_new_int32 (output->backlight));
g_variant_builder_add (&properties, "{sv}", "primary",
g_variant_new_boolean (output->is_primary));
g_variant_builder_add (&properties, "{sv}", "presentation",
g_variant_new_boolean (output->is_presentation));
edid_file = manager_class->get_edid_file (manager, output);
if (edid_file)
{
g_variant_builder_add (&properties, "{sv}", "edid-file",
g_variant_new_take_string (edid_file));
}
else
{
edid = manager_class->read_edid (manager, output);
if (edid)
{
g_variant_builder_add (&properties, "{sv}", "edid",
g_variant_new_from_bytes (G_VARIANT_TYPE ("ay"),
edid, TRUE));
g_bytes_unref (edid);
}
}
g_variant_builder_add (&output_builder, "(uxiausauaua{sv})",
i, /* ID */
(gint64)output->output_id,
(int)(output->crtc ? output->crtc - manager->crtcs : -1),
&crtcs,
output->name,
&modes,
&clones,
&properties);
}
for (i = 0; i < manager->n_modes; i++)
{
MetaMonitorMode *mode = &manager->modes[i];
g_variant_builder_add (&mode_builder, "(uxuud)",
i, /* ID */
(gint64)mode->mode_id,
(guint32)mode->width,
(guint32)mode->height,
(double)mode->refresh_rate);
}
meta_dbus_display_config_complete_get_resources (skeleton,
invocation,
manager->serial,
g_variant_builder_end (&crtc_builder),
g_variant_builder_end (&output_builder),
g_variant_builder_end (&mode_builder),
manager->max_screen_width,
manager->max_screen_height);
return TRUE;
}
static gboolean
rewrite_delta (OstreeRepo *src_repo,
const char *src_commit,
OstreeRepo *dst_repo,
const char *dst_commit,
GVariant *dst_commitv,
const char *from,
GError **error)
{
g_autoptr(GFile) src_delta_file = NULL;
g_autoptr(GFile) dst_delta_file = NULL;
g_autofree char *src_detached_key = _ostree_get_relative_static_delta_path (from, src_commit, "commitmeta");
g_autofree char *dst_detached_key = _ostree_get_relative_static_delta_path (from, dst_commit, "commitmeta");
g_autofree char *src_delta_dir = _ostree_get_relative_static_delta_path (from, src_commit, NULL);
g_autofree char *dst_delta_dir = _ostree_get_relative_static_delta_path (from, dst_commit, NULL);
g_autofree char *src_superblock_path = _ostree_get_relative_static_delta_path (from, src_commit, "superblock");
g_autofree char *dst_superblock_path = _ostree_get_relative_static_delta_path (from, dst_commit, "superblock");
GMappedFile *mfile = NULL;
g_auto(GVariantBuilder) superblock_builder = FLATPAK_VARIANT_BUILDER_INITIALIZER;
g_autoptr(GVariant) src_superblock = NULL;
g_autoptr(GVariant) dst_superblock = NULL;
g_autoptr(GBytes) bytes = NULL;
g_autoptr(GVariant) dst_detached = NULL;
g_autoptr(GVariant) src_metadata = NULL;
g_autoptr(GVariant) src_recurse = NULL;
g_autoptr(GVariant) src_parts = NULL;
g_auto(GVariantDict) dst_metadata_dict = FLATPAK_VARIANT_DICT_INITIALIZER;
int i;
src_delta_file = g_file_resolve_relative_path (ostree_repo_get_path (src_repo), src_superblock_path);
mfile = g_mapped_file_new (flatpak_file_get_path_cached (src_delta_file), FALSE, NULL);
if (mfile == NULL)
return TRUE; /* No superblock, not an error */
bytes = g_mapped_file_get_bytes (mfile);
g_mapped_file_unref (mfile);
src_superblock = g_variant_ref_sink (g_variant_new_from_bytes (G_VARIANT_TYPE (OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT), bytes, FALSE));
src_metadata = g_variant_get_child_value (src_superblock, 0);
src_recurse = g_variant_get_child_value (src_superblock, 5);
src_parts = g_variant_get_child_value (src_superblock, 6);
if (g_variant_n_children (src_recurse) != 0)
return flatpak_fail (error, "Recursive deltas not supported, ignoring");
g_variant_builder_init (&superblock_builder, G_VARIANT_TYPE (OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT));
g_variant_dict_init (&dst_metadata_dict, src_metadata);
g_variant_dict_remove (&dst_metadata_dict, src_detached_key);
if (ostree_repo_read_commit_detached_metadata (dst_repo, dst_commit, &dst_detached, NULL, NULL) &&
dst_detached != NULL)
g_variant_dict_insert_value (&dst_metadata_dict, dst_detached_key, dst_detached);
g_variant_builder_add_value (&superblock_builder, g_variant_dict_end (&dst_metadata_dict));
g_variant_builder_add_value (&superblock_builder, g_variant_get_child_value (src_superblock, 1)); /* timestamp */
g_variant_builder_add_value (&superblock_builder, from ? ostree_checksum_to_bytes_v (from) : new_bytearray ((guchar *) "", 0));
g_variant_builder_add_value (&superblock_builder, ostree_checksum_to_bytes_v (dst_commit));
g_variant_builder_add_value (&superblock_builder, dst_commitv);
g_variant_builder_add_value (&superblock_builder, src_recurse);
g_variant_builder_add_value (&superblock_builder, src_parts);
g_variant_builder_add_value (&superblock_builder, g_variant_get_child_value (src_superblock, 7)); /* fallback */
dst_superblock = g_variant_ref_sink (g_variant_builder_end (&superblock_builder));
if (!glnx_shutil_mkdir_p_at (ostree_repo_get_dfd (dst_repo), dst_delta_dir, 0755, NULL, error))
return FALSE;
for (i = 0; i < g_variant_n_children (src_parts); i++)
{
g_autofree char *src_part_path = g_strdup_printf ("%s/%d", src_delta_dir, i);
g_autofree char *dst_part_path = g_strdup_printf ("%s/%d", dst_delta_dir, i);
if (!glnx_file_copy_at (ostree_repo_get_dfd (src_repo),
src_part_path,
NULL,
ostree_repo_get_dfd (dst_repo),
dst_part_path,
GLNX_FILE_COPY_OVERWRITE | GLNX_FILE_COPY_NOXATTRS,
NULL, error))
return FALSE;
}
dst_delta_file = g_file_resolve_relative_path (ostree_repo_get_path (dst_repo), dst_superblock_path);
if (!flatpak_variant_save (dst_delta_file, dst_superblock, NULL, error))
return FALSE;
return TRUE;
}
gboolean
_ostree_static_delta_part_open (GInputStream *part_in,
GBytes *inline_part_bytes,
OstreeStaticDeltaOpenFlags flags,
const char *expected_checksum,
GVariant **out_part,
GCancellable *cancellable,
GError **error)
{
const gboolean trusted = (flags & OSTREE_STATIC_DELTA_OPEN_FLAGS_VARIANT_TRUSTED) > 0;
const gboolean skip_checksum = (flags & OSTREE_STATIC_DELTA_OPEN_FLAGS_SKIP_CHECKSUM) > 0;
gsize bytes_read;
guint8 comptype;
g_autoptr(GChecksum) checksum = NULL;
g_autoptr(GInputStream) checksum_in = NULL;
GInputStream *source_in;
/* We either take a fd or a GBytes reference */
g_return_val_if_fail (G_IS_FILE_DESCRIPTOR_BASED (part_in) || inline_part_bytes != NULL, FALSE);
g_return_val_if_fail (skip_checksum || expected_checksum != NULL, FALSE);
if (!skip_checksum)
{
checksum = g_checksum_new (G_CHECKSUM_SHA256);
checksum_in = (GInputStream*)ostree_checksum_input_stream_new (part_in, checksum);
source_in = checksum_in;
}
else
{
source_in = part_in;
}
{ guint8 buf[1];
/* First byte is compression type */
if (!g_input_stream_read_all (source_in, buf, sizeof(buf), &bytes_read,
cancellable, error))
return glnx_prefix_error (error, "Reading initial compression flag byte");
comptype = buf[0];
}
g_autoptr(GVariant) ret_part = NULL;
switch (comptype)
{
case 0:
if (!inline_part_bytes)
{
int part_fd = g_file_descriptor_based_get_fd ((GFileDescriptorBased*)part_in);
/* No compression, no checksums - a fast path */
if (!ot_util_variant_map_fd (part_fd, 1, G_VARIANT_TYPE (OSTREE_STATIC_DELTA_PART_PAYLOAD_FORMAT_V0),
trusted, &ret_part, error))
return FALSE;
}
else
{
g_autoptr(GBytes) content_bytes = g_bytes_new_from_bytes (inline_part_bytes, 1,
g_bytes_get_size (inline_part_bytes) - 1);
ret_part = g_variant_new_from_bytes (G_VARIANT_TYPE (OSTREE_STATIC_DELTA_PART_PAYLOAD_FORMAT_V0),
content_bytes, trusted);
g_variant_ref_sink (ret_part);
}
if (!skip_checksum)
g_checksum_update (checksum, g_variant_get_data (ret_part),
g_variant_get_size (ret_part));
break;
case 'x':
{
g_autoptr(GConverter) decomp = (GConverter*) _ostree_lzma_decompressor_new ();
g_autoptr(GInputStream) convin = g_converter_input_stream_new (source_in, decomp);
g_autoptr(GBytes) buf = ot_map_anonymous_tmpfile_from_content (convin, cancellable, error);
if (!buf)
return FALSE;
ret_part = g_variant_new_from_bytes (G_VARIANT_TYPE (OSTREE_STATIC_DELTA_PART_PAYLOAD_FORMAT_V0),
buf, FALSE);
}
break;
default:
return glnx_throw (error, "Invalid compression type '%u'", comptype);
}
if (checksum)
{
const char *actual_checksum = g_checksum_get_string (checksum);
g_assert (expected_checksum != NULL);
if (strcmp (actual_checksum, expected_checksum) != 0)
return glnx_throw (error, "Checksum mismatch in static delta part; expected=%s actual=%s",
expected_checksum, actual_checksum);
}
*out_part = g_steal_pointer (&ret_part);
return TRUE;
}
void
ot_dump_summary_bytes (GBytes *summary_bytes,
OstreeDumpFlags flags)
{
g_autoptr(GVariant) summary = NULL;
g_autoptr(GVariant) refs = NULL;
g_autoptr(GVariant) exts = NULL;
GVariantIter iter;
GVariant *value;
char *key;
g_return_if_fail (summary_bytes != NULL);
summary = g_variant_new_from_bytes (OSTREE_SUMMARY_GVARIANT_FORMAT,
summary_bytes, FALSE);
if (flags & OSTREE_DUMP_RAW)
{
ot_dump_variant (summary);
return;
}
refs = g_variant_get_child_value (summary, 0);
exts = g_variant_get_child_value (summary, 1);
g_variant_iter_init (&iter, refs);
while ((value = g_variant_iter_next_value (&iter)) != NULL)
{
const char *ref_name = NULL;
g_variant_get_child (value, 0, "&s", &ref_name);
if (ref_name != NULL)
{
g_autoptr(GVariant) csum_v = NULL;
g_autoptr(GVariantIter) metadata = NULL;
guint64 commit_size;
g_variant_get_child (value, 1, "(t@aya{sv})",
&commit_size, &csum_v, &metadata);
dump_summary_ref (ref_name, commit_size, csum_v, metadata);
g_print ("\n");
}
g_variant_unref (value);
}
g_variant_iter_init (&iter, exts);
while (g_variant_iter_loop (&iter, "{sv}", &key, &value))
{
g_autofree gchar *value_str = NULL;
const gchar *pretty_key = NULL;
if (g_strcmp0 (key, OSTREE_SUMMARY_STATIC_DELTAS) == 0)
{
pretty_key = "Static Deltas";
value_str = g_variant_print (value, FALSE);
}
else if (g_strcmp0 (key, OSTREE_SUMMARY_LAST_MODIFIED) == 0)
{
pretty_key = "Last-Modified";
value_str = uint64_secs_to_iso8601 (GUINT64_FROM_BE (g_variant_get_uint64 (value)));
}
else if (g_strcmp0 (key, OSTREE_SUMMARY_EXPIRES) == 0)
{
pretty_key = "Expires";
value_str = uint64_secs_to_iso8601 (GUINT64_FROM_BE (g_variant_get_uint64 (value)));
}
else
{
value_str = g_variant_print (value, FALSE);
}
/* Print out. */
if (pretty_key != NULL)
g_print ("%s (%s): %s\n", pretty_key, key, value_str);
else
g_print ("%s: %s\n", key, value_str);
}
}
gboolean
install_bundle (XdgAppDir *dir,
GOptionContext *context,
int argc, char **argv,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
g_autoptr(GFile) deploy_base = NULL;
g_autoptr(GFile) file = NULL;
g_autoptr(GFile) gpg_tmp_file = NULL;
const char *filename;
g_autofree char *ref = NULL;
g_autofree char *origin = NULL;
gboolean created_deploy_base = FALSE;
gboolean added_remote = FALSE;
g_autofree char *to_checksum = NULL;
g_auto(GStrv) parts = NULL;
g_autoptr(GBytes) gpg_data = NULL;
g_autofree char *remote = NULL;
OstreeRepo *repo;
g_autoptr(OstreeGpgVerifyResult) gpg_result = NULL;
g_autoptr(GError) my_error = NULL;
g_auto(GLnxLockFile) lock = GLNX_LOCK_FILE_INIT;
if (argc < 2)
return usage_error (context, "bundle filename must be specified", error);
filename = argv[1];
repo = xdg_app_dir_get_repo (dir);
if (!xdg_app_supports_bundles (repo))
return xdg_app_fail (error, "Your version of ostree is too old to support single-file bundles");
if (!xdg_app_dir_lock (dir, &lock,
cancellable, error))
goto out;
file = g_file_new_for_commandline_arg (filename);
{
g_autoptr(GVariant) delta = NULL;
g_autoptr(GVariant) metadata = NULL;
g_autoptr(GBytes) bytes = NULL;
g_autoptr(GVariant) to_csum_v = NULL;
g_autoptr(GVariant) gpg_value = NULL;
GMappedFile *mfile = g_mapped_file_new (gs_file_get_path_cached (file), FALSE, error);
if (mfile == NULL)
return FALSE;
bytes = g_mapped_file_get_bytes (mfile);
g_mapped_file_unref (mfile);
delta = g_variant_new_from_bytes (G_VARIANT_TYPE (OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT), bytes, FALSE);
g_variant_ref_sink (delta);
to_csum_v = g_variant_get_child_value (delta, 3);
if (!ostree_validate_structureof_csum_v (to_csum_v, error))
return FALSE;
to_checksum = ostree_checksum_from_bytes_v (to_csum_v);
metadata = g_variant_get_child_value (delta, 0);
if (!g_variant_lookup (metadata, "ref", "s", &ref))
return xdg_app_fail (error, "Invalid bundle, no ref in metadata");
if (!g_variant_lookup (metadata, "origin", "s", &origin))
origin = NULL;
gpg_value = g_variant_lookup_value (metadata, "gpg-keys", G_VARIANT_TYPE("ay"));
if (gpg_value)
{
gsize n_elements;
const char *data = g_variant_get_fixed_array (gpg_value, &n_elements, 1);
gpg_data = g_bytes_new (data, n_elements);
}
}
parts = xdg_app_decompose_ref (ref, error);
if (parts == NULL)
return FALSE;
deploy_base = xdg_app_dir_get_deploy_dir (dir, ref);
if (g_file_query_exists (deploy_base, cancellable))
return xdg_app_fail (error, "%s branch %s already installed", parts[1], parts[3]);
if (opt_gpg_file != NULL)
{
/* Override gpg_data from file */
gpg_data = read_gpg_data (cancellable, error);
if (gpg_data == NULL)
return FALSE;
}
/* Add a remote for later updates */
if (origin != NULL)
{
g_auto(GStrv) remotes = ostree_repo_remote_list (repo, NULL);
int version = 0;
do
{
g_autofree char *name = NULL;
if (version == 0)
name = g_strdup_printf ("%s-origin", parts[1]);
else
name = g_strdup_printf ("%s-%d-origin", parts[1], version);
version++;
if (remotes == NULL ||
!g_strv_contains ((const char * const *) remotes, name))
remote = g_steal_pointer (&name);
}
while (remote == NULL);
}
if (!ostree_repo_prepare_transaction (repo, NULL, cancellable, error))
return FALSE;
ostree_repo_transaction_set_ref (repo, remote, ref, to_checksum);
if (!ostree_repo_static_delta_execute_offline (repo,
file,
FALSE,
cancellable,
error))
return FALSE;
if (gpg_data)
{
g_autoptr(GFileIOStream) stream;
GOutputStream *o;
gpg_tmp_file = g_file_new_tmp (".xdg-app-XXXXXX", &stream, error);
if (gpg_tmp_file == NULL)
return FALSE;
o = g_io_stream_get_output_stream (G_IO_STREAM (stream));
if (!g_output_stream_write_all (o, g_bytes_get_data (gpg_data, NULL), g_bytes_get_size (gpg_data), NULL, cancellable, error))
return FALSE;
}
gpg_result = ostree_repo_verify_commit_ext (repo,
to_checksum,
NULL, gpg_tmp_file, cancellable, &my_error);
if (gpg_tmp_file)
g_file_delete (gpg_tmp_file, cancellable, NULL);
if (gpg_result == NULL)
{
/* NOT_FOUND means no gpg signature, we ignore this *if* there
* is no gpg key specified in the bundle or by the user */
if (g_error_matches (my_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND) &&
gpg_data == NULL)
g_clear_error (&my_error);
else
{
g_propagate_error (error, g_steal_pointer (&my_error));
return FALSE;
}
}
else
{
/* If there is no valid gpg signature we fail, unless there is no gpg
key specified (on the command line or in the file) because then we
trust the source bundle. */
if (ostree_gpg_verify_result_count_valid (gpg_result) == 0 &&
gpg_data != NULL)
return xdg_app_fail (error, "GPG signatures found, but none are in trusted keyring");
}
if (!ostree_repo_commit_transaction (repo, NULL, cancellable, error))
return FALSE;
if (!g_file_make_directory_with_parents (deploy_base, cancellable, error))
return FALSE;
/* From here we need to goto out on error, to clean up */
created_deploy_base = TRUE;
if (remote)
{
g_autoptr(GVariantBuilder) optbuilder = g_variant_builder_new (G_VARIANT_TYPE ("a{sv}"));
g_autofree char *basename = g_file_get_basename (file);
g_variant_builder_add (optbuilder, "{s@v}",
"xa.title",
g_variant_new_variant (g_variant_new_string (basename)));
g_variant_builder_add (optbuilder, "{s@v}",
"xa.noenumerate",
g_variant_new_variant (g_variant_new_boolean (TRUE)));
g_variant_builder_add (optbuilder, "{s@v}",
"xa.prio",
g_variant_new_variant (g_variant_new_string ("0")));
if (!ostree_repo_remote_add (repo,
remote, origin, g_variant_builder_end (optbuilder), cancellable, error))
goto out;
added_remote = TRUE;
if (gpg_data)
{
g_autoptr(GInputStream) gpg_data_as_stream = g_memory_input_stream_new_from_bytes (gpg_data);
if (!ostree_repo_remote_gpg_import (repo, remote, gpg_data_as_stream,
NULL, NULL, cancellable, error))
goto out;
}
if (!xdg_app_dir_set_origin (dir, ref, remote, cancellable, error))
goto out;
}
if (!xdg_app_dir_deploy (dir, ref, to_checksum, cancellable, error))
goto out;
if (!xdg_app_dir_make_current_ref (dir, ref, cancellable, error))
goto out;
if (strcmp (parts[0], "app") == 0)
{
if (!xdg_app_dir_update_exports (dir, parts[1], cancellable, error))
goto out;
}
glnx_release_lock_file (&lock);
xdg_app_dir_cleanup_removed (dir, cancellable, NULL);
if (!xdg_app_dir_mark_changed (dir, error))
goto out;
ret = TRUE;
out:
if (created_deploy_base && !ret)
gs_shutil_rm_rf (deploy_base, cancellable, NULL);
if (added_remote && !ret)
ostree_repo_remote_delete (repo, remote, NULL, NULL);
return ret;
}
/**
* ostree_repo_remote_list_refs:
* @self: Repo
* @remote_name: Name of the remote.
* @out_all_refs: (out) (element-type utf8 utf8): Mapping from ref to checksum
* @cancellable: Cancellable
* @error: Error
*
*/
gboolean
ostree_repo_remote_list_refs (OstreeRepo *self,
const char *remote_name,
GHashTable **out_all_refs,
GCancellable *cancellable,
GError **error)
{
g_autoptr(GBytes) summary_bytes = NULL;
g_autoptr(GHashTable) ret_all_refs = NULL;
if (!ostree_repo_remote_fetch_summary (self, remote_name,
&summary_bytes, NULL,
cancellable, error))
return FALSE;
if (summary_bytes == NULL)
{
return glnx_throw (error, "Remote refs not available; server has no summary file");
}
else
{
g_autoptr(GVariant) summary = NULL;
g_autoptr(GVariant) ref_map = NULL;
GVariantIter iter;
GVariant *child;
ret_all_refs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
summary = g_variant_new_from_bytes (OSTREE_SUMMARY_GVARIANT_FORMAT,
summary_bytes, FALSE);
ref_map = g_variant_get_child_value (summary, 0);
g_variant_iter_init (&iter, ref_map);
while ((child = g_variant_iter_next_value (&iter)) != NULL)
{
const char *ref_name = NULL;
g_autoptr(GVariant) csum_v = NULL;
char tmp_checksum[OSTREE_SHA256_STRING_LEN+1];
g_variant_get_child (child, 0, "&s", &ref_name);
if (ref_name != NULL)
{
g_variant_get_child (child, 1, "(t@aya{sv})", NULL, &csum_v, NULL);
const guchar *csum_bytes = ostree_checksum_bytes_peek_validate (csum_v, error);
if (csum_bytes == NULL)
return FALSE;
ostree_checksum_inplace_from_bytes (csum_bytes, tmp_checksum);
g_hash_table_insert (ret_all_refs,
g_strdup (ref_name),
g_strdup (tmp_checksum));
}
g_variant_unref (child);
}
}
ot_transfer_out_value (out_all_refs, &ret_all_refs);
return TRUE;
}
