return ret;
}
-static int verify_commit_graph_lite(struct commit_graph *g)
+static int graph_read_oid_fanout(const unsigned char *chunk_start,
+ size_t chunk_size, void *data)
{
+ struct commit_graph *g = data;
int i;
- /*
- * Basic validation shared between parse_commit_graph()
- * which'll be called every time the graph is used, and the
- * much more expensive verify_commit_graph() used by
- * "commit-graph verify".
- *
- * There should only be very basic checks here to ensure that
- * we don't e.g. segfault in fill_commit_in_graph(), but
- * because this is a very hot codepath nothing that e.g. loops
- * over g->num_commits, or runs a checksum on the commit-graph
- * itself.
- */
- if (!g->chunk_oid_fanout) {
- error("commit-graph is missing the OID Fanout chunk");
- return 1;
- }
- if (!g->chunk_oid_lookup) {
- error("commit-graph is missing the OID Lookup chunk");
- return 1;
- }
- if (!g->chunk_commit_data) {
- error("commit-graph is missing the Commit Data chunk");
- return 1;
- }
+ if (chunk_size != 256 * sizeof(uint32_t))
+ return error(_("commit-graph oid fanout chunk is wrong size"));
+ g->chunk_oid_fanout = (const uint32_t *)chunk_start;
+ g->num_commits = ntohl(g->chunk_oid_fanout[255]);
for (i = 0; i < 255; i++) {
uint32_t oid_fanout1 = ntohl(g->chunk_oid_fanout[i]);
uint32_t oid_fanout2 = ntohl(g->chunk_oid_fanout[i + 1]);
if (oid_fanout1 > oid_fanout2) {
- error("commit-graph fanout values out of order");
+ error(_("commit-graph fanout values out of order"));
return 1;
}
}
- if (ntohl(g->chunk_oid_fanout[255]) != g->num_commits) {
- error("commit-graph oid table and fanout disagree on size");
- return 1;
- }
-
- return 0;
-}
-static int graph_read_oid_fanout(const unsigned char *chunk_start,
- size_t chunk_size, void *data)
-{
- struct commit_graph *g = data;
- if (chunk_size != 256 * sizeof(uint32_t))
- return error("commit-graph oid fanout chunk is wrong size");
- g->chunk_oid_fanout = (const uint32_t *)chunk_start;
return 0;
}
{
struct commit_graph *g = data;
g->chunk_oid_lookup = chunk_start;
- g->num_commits = chunk_size / g->hash_len;
+ if (chunk_size / g->hash_len != g->num_commits)
+ return error(_("commit-graph OID lookup chunk is the wrong size"));
return 0;
}
size_t chunk_size, void *data)
{
struct commit_graph *g = data;
- if (chunk_size != g->num_commits * GRAPH_DATA_WIDTH)
- return error("commit-graph commit data chunk is wrong size");
+ if (chunk_size / GRAPH_DATA_WIDTH != g->num_commits)
+ return error(_("commit-graph commit data chunk is wrong size"));
g->chunk_commit_data = chunk_start;
return 0;
}
size_t chunk_size, void *data)
{
struct commit_graph *g = data;
- if (chunk_size != g->num_commits * sizeof(uint32_t))
- return error("commit-graph generations chunk is wrong size");
+ if (chunk_size / sizeof(uint32_t) != g->num_commits)
+ return error(_("commit-graph generations chunk is wrong size"));
g->chunk_generation_data = chunk_start;
return 0;
}
size_t chunk_size, void *data)
{
struct commit_graph *g = data;
- if (chunk_size != g->num_commits * 4) {
- warning("commit-graph changed-path index chunk is too small");
+ if (chunk_size / 4 != g->num_commits) {
+ warning(_("commit-graph changed-path index chunk is too small"));
return -1;
}
g->chunk_bloom_indexes = chunk_start;
uint32_t hash_version;
if (chunk_size < BLOOMDATA_CHUNK_HEADER_SIZE) {
- warning("ignoring too-small changed-path chunk"
- " (%"PRIuMAX" < %"PRIuMAX") in commit-graph file",
+ warning(_("ignoring too-small changed-path chunk"
+ " (%"PRIuMAX" < %"PRIuMAX") in commit-graph file"),
(uintmax_t)chunk_size,
(uintmax_t)BLOOMDATA_CHUNK_HEADER_SIZE);
return -1;
GRAPH_HEADER_SIZE, graph->num_chunks, 1))
goto free_and_return;
- read_chunk(cf, GRAPH_CHUNKID_OIDFANOUT, graph_read_oid_fanout, graph);
- read_chunk(cf, GRAPH_CHUNKID_OIDLOOKUP, graph_read_oid_lookup, graph);
- read_chunk(cf, GRAPH_CHUNKID_DATA, graph_read_commit_data, graph);
+ if (read_chunk(cf, GRAPH_CHUNKID_OIDFANOUT, graph_read_oid_fanout, graph)) {
+ error(_("commit-graph required OID fanout chunk missing or corrupted"));
+ goto free_and_return;
+ }
+ if (read_chunk(cf, GRAPH_CHUNKID_OIDLOOKUP, graph_read_oid_lookup, graph)) {
+ error(_("commit-graph required OID lookup chunk missing or corrupted"));
+ goto free_and_return;
+ }
+ if (read_chunk(cf, GRAPH_CHUNKID_DATA, graph_read_commit_data, graph)) {
+ error(_("commit-graph required commit data chunk missing or corrupted"));
+ goto free_and_return;
+ }
+
pair_chunk(cf, GRAPH_CHUNKID_EXTRAEDGES, &graph->chunk_extra_edges,
&graph->chunk_extra_edges_size);
pair_chunk(cf, GRAPH_CHUNKID_BASE, &graph->chunk_base_graphs,
oidread(&graph->oid, graph->data + graph->data_len - graph->hash_len);
- if (verify_commit_graph_lite(graph))
- goto free_and_return;
-
free_chunkfile(cf);
return graph;
/* treat empty files the same as missing */
errno = ENOENT;
} else {
- warning("commit-graph chain file too small");
+ warning(_("commit-graph chain file too small"));
errno = EINVAL;
}
return 0;
parent_data_pos = edge_value & GRAPH_EDGE_LAST_MASK;
do {
if (g->chunk_extra_edges_size / sizeof(uint32_t) <= parent_data_pos) {
- error("commit-graph extra-edges pointer out of bounds");
+ error(_("commit-graph extra-edges pointer out of bounds"));
free_commit_list(item->parents);
item->parents = NULL;
item->object.parsed = 0;
struct commit *seen_gen_zero = NULL;
struct commit *seen_gen_non_zero = NULL;
- verify_commit_graph_error = verify_commit_graph_lite(g);
- if (verify_commit_graph_error)
- return verify_commit_graph_error;
-
if (!commit_graph_checksum_valid(g)) {
graph_report(_("the commit-graph file has incorrect checksum and is likely corrupt"));
verify_commit_graph_error = VERIFY_COMMIT_GRAPH_ERROR_HASH;
projects / thirdparty / git.git / blobdiff