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Diffstat (limited to 'builtin/receive-pack.c')
-rw-r--r--builtin/receive-pack.c65
1 files changed, 56 insertions, 9 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index f96834f42c..1b29975c52 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -78,7 +78,7 @@ 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 +454,17 @@ 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 +473,8 @@ 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 +487,8 @@ 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 +498,8 @@ 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 +537,7 @@ 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 +555,7 @@ 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 +578,45 @@ 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;
@@ -1929,6 +1971,11 @@ 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)