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| author | Volker Rümelin <vr_strongswan@t-online.de> | 2016-10-30 22:15:04 +0100 |
|---|---|---|
| committer | Tobias Brunner <tobias@strongswan.org> | 2016-10-31 14:46:14 +0100 |
| commit | d17b780eaaa1159b9171fecd4844d5c6a75879f3 (patch) | |
| tree | 432d3683f676776b829e5096cece496d33834ef5 /src/libcharon/plugins/farp/farp_spoofer.c | |
| parent | 4a979994665d48050a0b2065f6c1c221382a79a7 (diff) | |
| download | strongswan-d17b780eaaa1159b9171fecd4844d5c6a75879f3.tar.bz2 strongswan-d17b780eaaa1159b9171fecd4844d5c6a75879f3.tar.xz | |
farp: Fix BPF jump false offset
Jump to BPF_STMT(BPF_RET+BPF_K, 0) if protocol_size != 4
Diffstat (limited to 'src/libcharon/plugins/farp/farp_spoofer.c')
| -rw-r--r-- | src/libcharon/plugins/farp/farp_spoofer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcharon/plugins/farp/farp_spoofer.c b/src/libcharon/plugins/farp/farp_spoofer.c index c2715bd5a..5753f7910 100644 --- a/src/libcharon/plugins/farp/farp_spoofer.c +++ b/src/libcharon/plugins/farp/farp_spoofer.c @@ -143,7 +143,7 @@ farp_spoofer_t *farp_spoofer_create(farp_listener_t *listener) BPF_STMT(BPF_LD+BPF_B+BPF_ABS, offsetof(arp_t, hardware_size)), BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, 6, 0, 7), BPF_STMT(BPF_LD+BPF_B+BPF_ABS, offsetof(arp_t, protocol_size)), - BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, 4, 0, 4), + BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, 4, 0, 5), BPF_STMT(BPF_LD+BPF_H+BPF_ABS, offsetof(arp_t, opcode)), BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, ARPOP_REQUEST, 0, 3), BPF_STMT(BPF_LD+BPF_W+BPF_LEN, 0), |