45556c384c
inbound/outbound filter processing (#128053)
65 lines
1.9 KiB
Diff
65 lines
1.9 KiB
Diff
--- ppp-2.4.2/pppd/options.c.pcap 2004-01-13 05:02:07.000000000 +0100
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+++ ppp-2.4.2/pppd/options.c 2004-09-15 11:39:34.832772935 +0200
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@@ -56,7 +56,6 @@
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#endif
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#ifdef PPP_FILTER
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#include <pcap.h>
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-#include <pcap-int.h> /* XXX: To get struct pcap */
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#endif
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#include "pppd.h"
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@@ -122,7 +121,6 @@
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#ifdef PPP_FILTER
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struct bpf_program pass_filter;/* Filter program for packets to pass */
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struct bpf_program active_filter; /* Filter program for link-active pkts */
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-pcap_t pc; /* Fake struct pcap so we can compile expr */
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#endif
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char *current_option; /* the name of the option being parsed */
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@@ -1439,12 +1437,18 @@
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setpassfilter(argv)
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char **argv;
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{
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- pc.linktype = DLT_PPP;
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- pc.snapshot = PPP_HDRLEN;
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+ pcap_t* pc = pcap_open_dead (DLT_PPP, PPP_HDRLEN);
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+ if (!pc) {
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+ option_error("error in pass-filter expression: pcap_open_dead failed\n");
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+ return 0;
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+ }
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- if (pcap_compile(&pc, &pass_filter, *argv, 1, netmask) == 0)
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+ if (pcap_compile(pc, &pass_filter, *argv, 1, netmask) == 0) {
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+ pcap_close(pc);
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return 1;
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- option_error("error in pass-filter expression: %s\n", pcap_geterr(&pc));
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+ }
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+ option_error("error in pass-filter expression: %s\n", pcap_geterr(pc));
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+ pcap_close(pc);
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return 0;
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}
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@@ -1455,12 +1459,18 @@
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setactivefilter(argv)
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char **argv;
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{
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- pc.linktype = DLT_PPP;
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- pc.snapshot = PPP_HDRLEN;
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+ pcap_t* pc = pcap_open_dead (DLT_PPP, PPP_HDRLEN);
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+ if (!pc) {
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+ option_error("error in pass-filter expression: pcap_open_dead failed\n");
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+ return 0;
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+ }
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- if (pcap_compile(&pc, &active_filter, *argv, 1, netmask) == 0)
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+ if (pcap_compile(pc, &active_filter, *argv, 1, netmask) == 0) {
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+ pcap_close(pc);
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return 1;
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- option_error("error in active-filter expression: %s\n", pcap_geterr(&pc));
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+ }
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+ option_error("error in active-filter expression: %s\n", pcap_geterr(pc));
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+ pcap_close(pc);
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return 0;
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}
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#endif
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