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| author | Tobias Brunner <tobias@strongswan.org> | 2014-10-22 19:41:40 +0200 |
|---|---|---|
| committer | Tobias Brunner <tobias@strongswan.org> | 2014-10-23 11:13:28 +0200 |
| commit | eb218ff80b8f6b88ed74249a9c6fecb860454110 (patch) | |
| tree | c750511ff5614dc11b4de8e5b2347912b0437dc1 | |
| parent | 4736ba06578f860a85e84cec1c79fb126793307e (diff) | |
| download | strongswan-eb218ff80b8f6b88ed74249a9c6fecb860454110.tar.bz2 strongswan-eb218ff80b8f6b88ed74249a9c6fecb860454110.tar.xz | |
chunk: Fix internet checksum calculation on big-endian systems
ntohs() might be defined as noop (#define ntohs(x) (x)) so we have
to manually shorten the negated value (gets promoted to an int).
Fixes #747.
| -rw-r--r-- | src/libstrongswan/utils/chunk.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstrongswan/utils/chunk.c b/src/libstrongswan/utils/chunk.c index 4b24b37c2..c4471be70 100644 --- a/src/libstrongswan/utils/chunk.c +++ b/src/libstrongswan/utils/chunk.c @@ -992,7 +992,7 @@ u_int32_t chunk_hash_static(chunk_t chunk) */ u_int16_t chunk_internet_checksum_inc(chunk_t data, u_int16_t checksum) { - u_int32_t sum = ntohs(~checksum); + u_int32_t sum = ntohs((u_int16_t)~checksum); while (data.len > 1) { |