7u83/capwap-mitm
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work arround for gnutls DTLS fragment bug

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This commit is contained in:
Andreas Schultz 2014-12-30 15:36:38 +01:00
parent 2f0f57da49
commit 90c98f4a83
1 changed files with 8 additions and 0 deletions
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8
src/capwap-mitm.c
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@ -422,6 +422,9 @@ static void dtls_forward(struct dtls_session *recv, struct dtls_session *send_s,
recv->buffer_len = len; recv->buffer_len = len;
if (!recv->handshake_done) { if (!recv->handshake_done) {
int try_it_again = 1;
again:
do { do {
ret = gnutls_handshake(recv->session); ret = gnutls_handshake(recv->session);
debug("DTLS handshake on session %p, fd %d, got %d", recv, recv->fd, ret); debug("DTLS handshake on session %p, fd %d, got %d", recv, recv->fd, ret);
@ -433,6 +436,11 @@ static void dtls_forward(struct dtls_session *recv, struct dtls_session *send_s,
gnutls_deinit(recv->session); gnutls_deinit(recv->session);
return; return;
} }
else if (try_it_again) {
try_it_again = 0;
goto again;
}
} }
if (ret == GNUTLS_E_SUCCESS) { if (ret == GNUTLS_E_SUCCESS) {
recv->handshake_done = 1; recv->handshake_done = 1;