diff options
Diffstat (limited to 'src/or/onion.c')
-rw-r--r-- | src/or/onion.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/or/onion.c b/src/or/onion.c index 3e1d63d4e2..30b983d91e 100644 --- a/src/or/onion.c +++ b/src/or/onion.c @@ -860,14 +860,17 @@ extend_cell_parse(extend_cell_t *cell_out, const uint8_t command, } case RELAY_COMMAND_EXTEND2: { - uint8_t n_specs = *payload, spectype, speclen; + uint8_t n_specs, spectype, speclen; int i; int found_ipv4 = 0, found_ipv6 = 0, found_id = 0; tor_addr_make_unspec(&cell_out->orport_ipv4.addr); tor_addr_make_unspec(&cell_out->orport_ipv6.addr); + if (payload_length == 0) + return -1; + cell_out->cell_type = RELAY_COMMAND_EXTEND2; - ++payload; + n_specs = *payload++; /* Parse the specifiers. We'll only take the first IPv4 and first IPv6 * address, and the node ID, and ignore everything else */ for (i = 0; i < n_specs; ++i) { |