diff options
Diffstat (limited to 'builtin/receive-pack.c')
| -rw-r--r-- | builtin/receive-pack.c | 77 |
1 files changed, 63 insertions, 14 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index f96834f..b1706a5 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; @@ -858,7 +900,7 @@ 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); @@ -986,7 +1028,8 @@ 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 +1040,7 @@ 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 +1102,8 @@ 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 +1126,7 @@ 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."); @@ -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) |