static unsigned char input_buffer[4096];
static unsigned int input_offset, input_len;
static off_t consumed_bytes;
+static off_t max_input_size;
static unsigned deepest_delta;
static git_SHA_CTX input_ctx;
static uint32_t input_crc32;
if (signed_add_overflows(consumed_bytes, bytes))
die(_("pack too large for current definition of off_t"));
consumed_bytes += bytes;
+ if (max_input_size && consumed_bytes > max_input_size)
+ die(_("pack exceeds maximum allowed size"));
}
static const char *open_pack_file(const char *pack_name)
if (from_stdin) {
input_fd = 0;
if (!pack_name) {
- static char tmp_file[PATH_MAX];
- output_fd = odb_mkstemp(tmp_file, sizeof(tmp_file),
+ struct strbuf tmp_file = STRBUF_INIT;
+ output_fd = odb_mkstemp(&tmp_file,
"pack/tmp_pack_XXXXXX");
- pack_name = xstrdup(tmp_file);
- } else
+ pack_name = strbuf_detach(&tmp_file, NULL);
+ } else {
output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600);
- if (output_fd < 0)
- die_errno(_("unable to create '%s'"), pack_name);
+ if (output_fd < 0)
+ die_errno(_("unable to create '%s'"), pack_name);
+ }
nothread_data.pack_fd = output_fd;
} else {
input_fd = open(pack_name, O_RDONLY);
const unsigned char *sha1)
{
void *new_data = NULL;
- int collision_test_needed;
+ int collision_test_needed = 0;
assert(data || obj_entry);
- read_lock();
- collision_test_needed = has_sha1_file_with_flags(sha1, HAS_SHA1_QUICK);
- read_unlock();
+ if (startup_info->have_repository) {
+ read_lock();
+ collision_test_needed = has_sha1_file_with_flags(sha1, HAS_SHA1_QUICK);
+ read_unlock();
+ }
if (collision_test_needed && !data) {
read_lock();
unsigned long has_size;
read_lock();
has_type = sha1_object_info(sha1, &has_size);
+ if (has_type < 0)
+ die(_("cannot read existing object info %s"), sha1_to_hex(sha1));
if (has_type != type || has_size != size)
die(_("SHA1 COLLISION FOUND WITH %s !"), sha1_to_hex(sha1));
has_data = read_sha1_file(sha1, &has_type, &has_size);
return;
/* Sort deltas by base SHA1/offset for fast searching */
- qsort(ofs_deltas, nr_ofs_deltas, sizeof(struct ofs_delta_entry),
- compare_ofs_delta_entry);
- qsort(ref_deltas, nr_ref_deltas, sizeof(struct ref_delta_entry),
- compare_ref_delta_entry);
+ QSORT(ofs_deltas, nr_ofs_deltas, compare_ofs_delta_entry);
+ QSORT(ref_deltas, nr_ref_deltas, compare_ref_delta_entry);
if (verbose || show_resolving_progress)
progress = start_progress(_("Resolving deltas"),
ALLOC_ARRAY(sorted_by_pos, nr_ref_deltas);
for (i = 0; i < nr_ref_deltas; i++)
sorted_by_pos[i] = &ref_deltas[i];
- qsort(sorted_by_pos, nr_ref_deltas, sizeof(*sorted_by_pos), delta_pos_compare);
+ QSORT(sorted_by_pos, nr_ref_deltas, delta_pos_compare);
for (i = 0; i < nr_ref_deltas; i++) {
struct ref_delta_entry *d = sorted_by_pos[i];
unsigned char *sha1)
{
const char *report = "pack";
- char name[PATH_MAX];
+ struct strbuf pack_name = STRBUF_INIT;
+ struct strbuf index_name = STRBUF_INIT;
+ struct strbuf keep_name_buf = STRBUF_INIT;
int err;
if (!from_stdin) {
int keep_fd, keep_msg_len = strlen(keep_msg);
if (!keep_name)
- keep_fd = odb_pack_keep(name, sizeof(name), sha1);
- else
- keep_fd = open(keep_name, O_RDWR|O_CREAT|O_EXCL, 0600);
+ keep_name = odb_pack_name(&keep_name_buf, sha1, "keep");
+ keep_fd = odb_pack_keep(keep_name);
if (keep_fd < 0) {
if (errno != EEXIST)
die_errno(_("cannot write keep file '%s'"),
- keep_name ? keep_name : name);
+ keep_name);
} else {
if (keep_msg_len > 0) {
write_or_die(keep_fd, keep_msg, keep_msg_len);
}
if (close(keep_fd) != 0)
die_errno(_("cannot close written keep file '%s'"),
- keep_name ? keep_name : name);
+ keep_name);
report = "keep";
}
}
if (final_pack_name != curr_pack_name) {
- if (!final_pack_name) {
- snprintf(name, sizeof(name), "%s/pack/pack-%s.pack",
- get_object_directory(), sha1_to_hex(sha1));
- final_pack_name = name;
- }
+ if (!final_pack_name)
+ final_pack_name = odb_pack_name(&pack_name, sha1, "pack");
if (finalize_object_file(curr_pack_name, final_pack_name))
die(_("cannot store pack file"));
} else if (from_stdin)
chmod(final_pack_name, 0444);
if (final_index_name != curr_index_name) {
- if (!final_index_name) {
- snprintf(name, sizeof(name), "%s/pack/pack-%s.idx",
- get_object_directory(), sha1_to_hex(sha1));
- final_index_name = name;
- }
+ if (!final_index_name)
+ final_index_name = odb_pack_name(&index_name, sha1, "idx");
if (finalize_object_file(curr_index_name, final_index_name))
die(_("cannot store index file"));
} else
if (!from_stdin) {
printf("%s\n", sha1_to_hex(sha1));
} else {
- char buf[48];
- int len = snprintf(buf, sizeof(buf), "%s\t%s\n",
- report, sha1_to_hex(sha1));
- write_or_die(1, buf, len);
+ struct strbuf buf = STRBUF_INIT;
+
+ strbuf_addf(&buf, "%s\t%s\n", report, sha1_to_hex(sha1));
+ write_or_die(1, buf.buf, buf.len);
+ strbuf_release(&buf);
/*
* Let's just mimic git-unpack-objects here and write
input_offset += err;
}
}
+
+ strbuf_release(&index_name);
+ strbuf_release(&pack_name);
+ strbuf_release(&keep_name_buf);
}
static int git_index_pack_config(const char *k, const char *v, void *cb)
opts->anomaly[opts->anomaly_nr++] = ntohl(idx2[off * 2 + 1]);
}
- if (1 < opts->anomaly_nr)
- qsort(opts->anomaly, opts->anomaly_nr, sizeof(uint32_t), cmp_uint32);
+ QSORT(opts->anomaly, opts->anomaly_nr, cmp_uint32);
}
static void read_idx_option(struct pack_idx_option *opts, const char *pack_name)
opts.off32_limit = strtoul(c+1, &c, 0);
if (*c || opts.off32_limit & 0x80000000)
die(_("bad %s"), arg);
+ } else if (skip_prefix(arg, "--max-input-size=", &arg)) {
+ max_input_size = strtoumax(arg, NULL, 10);
} else
usage(index_pack_usage);
continue;
usage(index_pack_usage);
if (fix_thin_pack && !from_stdin)
die(_("--fix-thin cannot be used without --stdin"));
+ if (from_stdin && !startup_info->have_repository)
+ die(_("--stdin requires a git repository"));
if (!index_name && pack_name)
index_name = derive_filename(pack_name, ".idx", &index_name_buf);
if (keep_msg && !keep_name && pack_name)