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--- ipppd/options.c.orig 2005-08-07 15:47:50.000000000 +0200
+++ ipppd/options.c 2005-08-21 00:01:06.000000000 +0200
@@ -2633,6 +2633,10 @@
#ifdef IPPP_FILTER
+#if !defined(DLT_PPP_WITHDIRECTION) && defined(DLT_PPP_WITH_DIRECTION)
+#define DLT_PPP_WITHDIRECTION DLT_PPP_WITH_DIRECTION
+#endif
+
#ifndef DLT_PPP_PPPD
#define DLT_PPP_PPPD DLT_PPP
#warning "please update your pcap version to support in/outbound DLT_PPP_PPPD filter"
@@ -2646,9 +2650,17 @@
int argc;
char **argv;
{
- if (pcap_compile_nopcap(65535, DLT_PPP_PPPD, &pass_filter, *argv, 1, netmask) == 0)
+ pcap_t* pc = pcap_open_dead (DLT_PPP_WITHDIRECTION, PPP_HDRLEN);
+ if (!pc) {
+ option_error("error in pass-filter expression: pcap_open_dead failed\n");
+ return 0;
+ }
+ if (pcap_compile(pc, &pass_filter, *argv, 1, netmask) == 0) {
+ pcap_close(pc);
return 1;
+ }
option_error("error in pass-filter expression.\n");
+ pcap_close(pc);
return 0;
}
@@ -2660,9 +2672,17 @@
int argc;
char **argv;
{
- if (pcap_compile_nopcap(65535, DLT_PPP_PPPD, &active_filter, *argv, 1, netmask) == 0)
+ pcap_t* pc = pcap_open_dead (DLT_PPP_WITHDIRECTION, PPP_HDRLEN);
+ if (!pc) {
+ option_error("error in active-filter expression: pcap_open_dead failed\n");
+ return 0;
+ }
+ if (pcap_compile(pc, &active_filter, *argv, 1, netmask) == 0) {
+ pcap_close(pc);
return 1;
+ }
option_error("error in active-filter expression.\n");
+ pcap_close(pc);
return 0;
}
#endif /* IPPP_FILTER */
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