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Diffstat (limited to 'builtin/receive-pack.c')
-rw-r--r--builtin/receive-pack.c95
1 files changed, 72 insertions, 23 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index f96834f42..cc4876740 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1,4 +1,5 @@
#include "builtin.h"
+#include "config.h"
#include "lockfile.h"
#include "pack.h"
#include "refs.h"
@@ -22,6 +23,7 @@
#include "fsck.h"
#include "tmp-objdir.h"
#include "oidset.h"
+#include "packfile.h"
static const char * const receive_pack_usage[] = {
N_("git receive-pack <git-dir>"),
@@ -78,7 +80,7 @@ static const char *NONCE_OK = "OK";
static const char *NONCE_SLOP = "SLOP";
static const char *nonce_status;
static long nonce_stamp_slop;
-static unsigned long nonce_stamp_slop_limit;
+static timestamp_t nonce_stamp_slop_limit;
static struct ref_transaction *transaction;
static enum {
@@ -454,17 +456,17 @@ static void hmac_sha1(unsigned char *out,
git_SHA1_Final(out, &ctx);
}
-static char *prepare_push_cert_nonce(const char *path, unsigned long stamp)
+static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp)
{
struct strbuf buf = STRBUF_INIT;
unsigned char sha1[20];
- strbuf_addf(&buf, "%s:%lu", path, stamp);
+ strbuf_addf(&buf, "%s:%"PRItime, path, stamp);
hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));;
strbuf_release(&buf);
/* RFC 2104 5. HMAC-SHA1-80 */
- strbuf_addf(&buf, "%lu-%.*s", stamp, 20, sha1_to_hex(sha1));
+ strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, 20, sha1_to_hex(sha1));
return strbuf_detach(&buf, NULL);
}
@@ -473,7 +475,8 @@ static char *prepare_push_cert_nonce(const char *path, unsigned long stamp)
* after dropping "_commit" from its name and possibly moving it out
* of commit.c
*/
-static char *find_header(const char *msg, size_t len, const char *key)
+static char *find_header(const char *msg, size_t len, const char *key,
+ const char **next_line)
{
int key_len = strlen(key);
const char *line = msg;
@@ -486,6 +489,8 @@ static char *find_header(const char *msg, size_t len, const char *key)
if (line + key_len < eol &&
!memcmp(line, key, key_len) && line[key_len] == ' ') {
int offset = key_len + 1;
+ if (next_line)
+ *next_line = *eol ? eol + 1 : eol;
return xmemdupz(line + offset, (eol - line) - offset);
}
line = *eol ? eol + 1 : NULL;
@@ -495,8 +500,8 @@ static char *find_header(const char *msg, size_t len, const char *key)
static const char *check_nonce(const char *buf, size_t len)
{
- char *nonce = find_header(buf, len, "nonce");
- unsigned long stamp, ostamp;
+ char *nonce = find_header(buf, len, "nonce", NULL);
+ timestamp_t stamp, ostamp;
char *bohmac, *expect = NULL;
const char *retval = NONCE_BAD;
@@ -534,7 +539,7 @@ static const char *check_nonce(const char *buf, size_t len)
retval = NONCE_BAD;
goto leave;
}
- stamp = strtoul(nonce, &bohmac, 10);
+ stamp = parse_timestamp(nonce, &bohmac, 10);
if (bohmac == nonce || bohmac[0] != '-') {
retval = NONCE_BAD;
goto leave;
@@ -552,7 +557,7 @@ static const char *check_nonce(const char *buf, size_t len)
* would mean it was issued by another server with its clock
* skewed in the future.
*/
- ostamp = strtoul(push_cert_nonce, NULL, 10);
+ ostamp = parse_timestamp(push_cert_nonce, NULL, 10);
nonce_stamp_slop = (long)ostamp - (long)stamp;
if (nonce_stamp_slop_limit &&
@@ -575,6 +580,45 @@ leave:
return retval;
}
+/*
+ * Return 1 if there is no push_cert or if the push options in push_cert are
+ * the same as those in the argument; 0 otherwise.
+ */
+static int check_cert_push_options(const struct string_list *push_options)
+{
+ const char *buf = push_cert.buf;
+ int len = push_cert.len;
+
+ char *option;
+ const char *next_line;
+ int options_seen = 0;
+
+ int retval = 1;
+
+ if (!len)
+ return 1;
+
+ while ((option = find_header(buf, len, "push-option", &next_line))) {
+ len -= (next_line - buf);
+ buf = next_line;
+ options_seen++;
+ if (options_seen > push_options->nr
+ || strcmp(option,
+ push_options->items[options_seen - 1].string)) {
+ retval = 0;
+ goto leave;
+ }
+ free(option);
+ }
+
+ if (options_seen != push_options->nr)
+ retval = 0;
+
+leave:
+ free(option);
+ return retval;
+}
+
static void prepare_push_cert_sha1(struct child_process *proc)
{
static int already_done;
@@ -699,7 +743,7 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed,
size_t n;
if (feed(feed_state, &buf, &n))
break;
- if (write_in_full(proc.in, buf, n) != n)
+ if (write_in_full(proc.in, buf, n) < 0)
break;
}
close(proc.in);
@@ -858,7 +902,7 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
* not lose these new roots..
*/
for (i = 0; i < extra.nr; i++)
- register_shallow(extra.oid[i].hash);
+ register_shallow(&extra.oid[i]);
si->shallow_ref[cmd->index] = 0;
oid_array_clear(&extra);
@@ -876,9 +920,9 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
*/
static int head_has_history(void)
{
- unsigned char sha1[20];
+ struct object_id oid;
- return !get_sha1("HEAD", sha1);
+ return !get_oid("HEAD", &oid);
}
static const char *push_to_deploy(unsigned char *sha1,
@@ -986,7 +1030,8 @@ static const char *update(struct command *cmd, struct shallow_info *si)
{
const char *name = cmd->ref_name;
struct strbuf namespaced_name_buf = STRBUF_INIT;
- const char *namespaced_name, *ret;
+ static char *namespaced_name;
+ const char *ret;
struct object_id *old_oid = &cmd->old_oid;
struct object_id *new_oid = &cmd->new_oid;
@@ -997,6 +1042,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
}
strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name);
+ free(namespaced_name);
namespaced_name = strbuf_detach(&namespaced_name_buf, NULL);
if (is_ref_checked_out(namespaced_name)) {
@@ -1058,8 +1104,8 @@ static const char *update(struct command *cmd, struct shallow_info *si)
struct object *old_object, *new_object;
struct commit *old_commit, *new_commit;
- old_object = parse_object(old_oid->hash);
- new_object = parse_object(new_oid->hash);
+ old_object = parse_object(old_oid);
+ new_object = parse_object(new_oid);
if (!old_object || !new_object ||
old_object->type != OBJ_COMMIT ||
@@ -1082,7 +1128,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
if (is_null_oid(new_oid)) {
struct strbuf err = STRBUF_INIT;
- if (!parse_object(old_oid->hash)) {
+ if (!parse_object(old_oid)) {
old_oid = NULL;
if (ref_exists(name)) {
rp_warning("Allowing deletion of corrupt ref.");
@@ -1093,7 +1139,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
}
if (ref_transaction_delete(transaction,
namespaced_name,
- old_oid->hash,
+ old_oid ? old_oid->hash : NULL,
0, "push", &err)) {
rp_error("%s", err.buf);
strbuf_release(&err);
@@ -1161,11 +1207,10 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
const char *dst_name;
struct string_list_item *item;
struct command *dst_cmd;
- unsigned char sha1[GIT_MAX_RAWSZ];
int flag;
strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
- dst_name = resolve_ref_unsafe(buf.buf, 0, sha1, &flag);
+ dst_name = resolve_ref_unsafe(buf.buf, 0, NULL, &flag);
strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))
@@ -1413,7 +1458,6 @@ static void execute_commands(struct command *commands,
{
struct check_connected_options opt = CHECK_CONNECTED_INIT;
struct command *cmd;
- struct object_id oid;
struct iterate_data data;
struct async muxer;
int err_fd = 0;
@@ -1470,7 +1514,7 @@ static void execute_commands(struct command *commands,
check_aliased_updates(commands);
free(head_name_to_free);
- head_name = head_name_to_free = resolve_refdup("HEAD", 0, oid.hash, NULL);
+ head_name = head_name_to_free = resolve_refdup("HEAD", 0, NULL, NULL);
if (use_atomic)
execute_commands_atomic(commands, si);
@@ -1761,7 +1805,7 @@ static const char *unpack_with_sideband(struct shallow_info *si)
static void prepare_shallow_update(struct command *commands,
struct shallow_info *si)
{
- int i, j, k, bitmap_size = (si->ref->nr + 31) / 32;
+ int i, j, k, bitmap_size = DIV_ROUND_UP(si->ref->nr, 32);
ALLOC_ARRAY(si->used_shallow, si->shallow->nr);
assign_shallow_commits_to_refs(si, si->used_shallow, NULL);
@@ -1929,6 +1973,11 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
if (use_push_options)
read_push_options(&push_options);
+ if (!check_cert_push_options(&push_options)) {
+ struct command *cmd;
+ for (cmd = commands; cmd; cmd = cmd->next)
+ cmd->error_string = "inconsistent push options";
+ }
prepare_shallow_info(&si, &shallow);
if (!si.nr_ours && !si.nr_theirs)