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lib/deltas: Support signed delta in execute_offline

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This checks if the static delta file is signed or not to be able to
correctly get the superblock to apply.

Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>
This commit is contained in:
Frédéric Danis 2020-07-09 17:34:08 +02:00
parent 512db0435c
commit 0c48423c26
1 changed files with 20 additions and 4 deletions
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24
src/libostree/ostree-repo-static-delta-core.c
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@ -286,6 +286,8 @@ ostree_repo_static_delta_execute_offline (OstreeRepo *self,
GError **error)
{
g_autofree char *basename = NULL;
g_autoptr(GVariant) delta = NULL;
g_autoptr(GVariant) meta = NULL;
const char *dir_or_file_path = gs_file_get_path_cached (dir_or_file);
@ -311,10 +313,24 @@ ostree_repo_static_delta_execute_offline (OstreeRepo *self,
if (meta_fd < 0)
return glnx_throw_errno_prefix (error, "openat(%s)", basename);
g_autoptr(GVariant) meta = NULL;
if (!ot_variant_read_fd (meta_fd, 0, G_VARIANT_TYPE (OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT),
FALSE, &meta, error))
return FALSE;
gboolean is_signed = _ostree_repo_static_delta_is_signed (self, meta_fd, NULL, NULL);
if (is_signed)
{
if (!ot_variant_read_fd (meta_fd, 0, (GVariantType*)OSTREE_STATIC_DELTA_SIGNED_FORMAT,
TRUE, &delta, error))
return FALSE;
g_autoptr(GVariant) child = g_variant_get_child_value (delta, 1);
g_autoptr(GBytes) bytes = g_variant_get_data_as_bytes (child);
meta = g_variant_new_from_bytes ((GVariantType*)OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT,
bytes, FALSE);
}
else
{
if (!ot_variant_read_fd (meta_fd, 0, G_VARIANT_TYPE (OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT),
FALSE, &meta, error))
return FALSE;
}
/* Parsing OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT */