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author | Nick Mathewson <nickm@torproject.org> | 2017-08-09 09:24:16 -0400 |
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committer | Nick Mathewson <nickm@torproject.org> | 2017-08-09 09:24:16 -0400 |
commit | 418f3d6298beb27e050618e2f59e01d6d3b2f45b (patch) | |
tree | 97ac6a038194559561a34d245fbd74584cb5f9c6 /src/or/routerparse.c | |
parent | 9696021593d28a7ae3b6a88ac57ff31234b469f5 (diff) | |
download | tor-418f3d6298beb27e050618e2f59e01d6d3b2f45b.tar.gz tor-418f3d6298beb27e050618e2f59e01d6d3b2f45b.zip |
Make sure we always wind up checking i2d_*'s output.
The biggest offender here was sometimes not checking the output of
crypto_pk_get_digest.
Fixes bug 19418. Reported by Guido Vranken.
Diffstat (limited to 'src/or/routerparse.c')
-rw-r--r-- | src/or/routerparse.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/or/routerparse.c b/src/or/routerparse.c index 521e237be2..bfd0270434 100644 --- a/src/or/routerparse.c +++ b/src/or/routerparse.c @@ -5967,7 +5967,10 @@ rend_parse_v2_service_descriptor(rend_service_descriptor_t **parsed_out, "v2 rendezvous service descriptor") < 0) goto err; /* Verify that descriptor ID belongs to public key and secret ID part. */ - crypto_pk_get_digest(result->pk, public_key_hash); + if (crypto_pk_get_digest(result->pk, public_key_hash) < 0) { + log_warn(LD_REND, "Unable to compute rend descriptor public key digest"); + goto err; + } rend_get_descriptor_id_bytes(test_desc_id, public_key_hash, secret_id_part); if (tor_memneq(desc_id_out, test_desc_id, DIGEST_LEN)) { |