diff options
Diffstat (limited to 'builtin/receive-pack.c')
| -rw-r--r-- | builtin/receive-pack.c | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index b618d52139..ed21142349 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -470,7 +470,8 @@ 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; @@ -483,6 +484,8 @@ 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; @@ -492,7 +495,7 @@ 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"); + char *nonce = find_header(buf, len, "nonce", NULL); unsigned long stamp, ostamp; char *bohmac, *expect = NULL; const char *retval = NONCE_BAD; @@ -572,6 +575,45 @@ 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; @@ -1924,6 +1966,11 @@ 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) |