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Small fixes for PMTU discovery.

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This commit is contained in:
Guus Sliepen 2003-12-24 10:48:15 +00:00
parent 2c7ce7de12
commit aebc97a77f
2 changed files with 19 additions and 13 deletions
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10
src/net_packet.c
View file

@ -17,7 +17,7 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: net_packet.c,v 1.1.2.47 2003/12/22 11:04:16 guus Exp $
$Id: net_packet.c,v 1.1.2.48 2003/12/24 10:48:14 guus Exp $
*/
#include "system.h"
@ -352,7 +352,7 @@ static void send_udppacket(node_t *n, vpn_packet_t *inpkt)
|| !EVP_EncryptFinal_ex(&n->packet_ctx, (char *) &outpkt->seqno + outlen, &outpad)) {
ifdebug(TRAFFIC) logger(LOG_ERR, _("Error while encrypting packet to %s (%s): %s"),
n->name, n->hostname, ERR_error_string(ERR_get_error(), NULL));
return;
goto end;
}
outpkt->len = outlen + outpad;
@ -389,16 +389,16 @@ static void send_udppacket(node_t *n, vpn_packet_t *inpkt)
#endif
if((sendto(listen_socket[sock].udp, (char *) &inpkt->seqno, inpkt->len, 0, &(n->address.sa), SALEN(n->address.sa))) < 0) {
logger(LOG_ERR, _("Error sending packet to %s (%s): %s"), n->name, n->hostname, strerror(errno));
if(errno == EMSGSIZE) {
if(n->maxmtu >= origlen)
n->maxmtu = origlen - 1;
if(n->mtu >= origlen)
n->mtu = origlen - 1;
}
return;
} else
logger(LOG_ERR, _("Error sending packet to %s (%s): %s"), n->name, n->hostname, strerror(errno));
}
end:
inpkt->len = origlen;
}