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| author | Nick Mathewson <nickm@torproject.org> | 2014-03-27 14:15:53 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2014-03-27 14:15:53 -0400 |
| commit | de9de9e7dd2f34af04c76abf3f51c72dec4bdc93 (patch) | |
| tree | af125f4d2e25a93c82c678c08c7b89d43fef66e3 /src/or/onion.c | |
| parent | cd15172444e0f8e34d1adcd84034c40893cd6c0f (diff) | |
| download | tor-de9de9e7dd2f34af04c76abf3f51c72dec4bdc93.tar.gz tor-de9de9e7dd2f34af04c76abf3f51c72dec4bdc93.zip | |
Give specific warnings when client-side onionskin handshakes fail
Fix for bug9635.
Diffstat (limited to 'src/or/onion.c')
| -rw-r--r-- | src/or/onion.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/or/onion.c b/src/or/onion.c index 30b983d91e..7c2c316aa6 100644 --- a/src/or/onion.c +++ b/src/or/onion.c @@ -552,8 +552,10 @@ onion_skin_client_handshake(int type, switch (type) { case ONION_HANDSHAKE_TYPE_TAP: - if (reply_len != TAP_ONIONSKIN_REPLY_LEN) + if (reply_len != TAP_ONIONSKIN_REPLY_LEN) { + log_warn(LD_CIRC, "TAP reply was not of the correct length."); return -1; + } if (onion_skin_TAP_client_handshake(handshake_state->u.tap, (const char*)reply, (char *)keys_out, keys_out_len) < 0) @@ -563,8 +565,10 @@ onion_skin_client_handshake(int type, return 0; case ONION_HANDSHAKE_TYPE_FAST: - if (reply_len != CREATED_FAST_LEN) + if (reply_len != CREATED_FAST_LEN) { + log_warn(LD_CIRC, "CREATED_FAST reply was not of the correct length."); return -1; + } if (fast_client_handshake(handshake_state->u.fast, reply, keys_out, keys_out_len) < 0) return -1; @@ -573,8 +577,10 @@ onion_skin_client_handshake(int type, return 0; #ifdef CURVE25519_ENABLED case ONION_HANDSHAKE_TYPE_NTOR: - if (reply_len < NTOR_REPLY_LEN) + if (reply_len < NTOR_REPLY_LEN) { + log_warn(LD_CIRC, "ntor reply was not of the correct length."); return -1; + } { size_t keys_tmp_len = keys_out_len + DIGEST_LEN; uint8_t *keys_tmp = tor_malloc(keys_tmp_len); |