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Merge remote-tracking branch 'public/bug8059' into maint-0.2.4

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This commit is contained in:
Nick Mathewson 2013-03-18 14:31:50 -04:00
commit 173efa1051
2 changed files with 7 additions and 1 deletions
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6
changes/bug8059 Normal file
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@ -0,0 +1,6 @@
o Minor bugfixes (protocol conformance):
- Fix a misframing issue when reading the version numbers in a
VERSIONS cell. Previously we would recognize [00 01 00 02] as
'version 1, version 2, and version 0x100', when it should have
only included versions 1 and 2. Fixes bug 8059; bugfix on
0.2.0.10-alpha. Reported pseudonymously.

2
src/or/channeltls.c
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@ -1208,7 +1208,7 @@ channel_tls_process_versions_cell(var_cell_t *cell, channel_tls_t *chan)
tor_assert(chan->conn->handshake_state);
end = cell->payload + cell->payload_len;
for (cp = cell->payload; cp+1 < end; ++cp) {
for (cp = cell->payload; cp+1 < end; cp += 2) {
uint16_t v = ntohs(get_uint16(cp));
if (is_or_protocol_version_known(v) && v > highest_supported_version)
highest_supported_version = v;