X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Foptions.c;h=f9f10b74ca4859a1d9181f1629ace04d69691eb1;hb=6794beb707916559a8d3a0e0fd7ec00ca0d309aa;hp=735f08ecb5d83d809e0109f7a86078364d71a7f4;hpb=a81af2d7cf2d6a53b37798311f47f71951e47345;p=ppp.git diff --git a/pppd/options.c b/pppd/options.c index 735f08e..f9f10b7 100644 --- a/pppd/options.c +++ b/pppd/options.c @@ -40,7 +40,7 @@ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#define RCSID "$Id: options.c,v 1.92 2004/01/13 04:02:07 paulus Exp $" +#define RCSID "$Id: options.c,v 1.93 2004/10/28 00:15:08 paulus Exp $" #include #include @@ -54,9 +54,17 @@ #ifdef PLUGIN #include #endif + #ifdef PPP_FILTER #include -#include /* XXX: To get struct pcap */ +/* + * DLT_PPP_WITH_DIRECTION is in current libpcap cvs, and should be in + * libpcap-0.8.4. Until that is released, use DLT_PPP - but that means + * we lose the inbound and outbound qualifiers. + */ +#ifndef DLT_PPP_WITH_DIRECTION +#define DLT_PPP_WITH_DIRECTION DLT_PPP +#endif #endif #include "pppd.h" @@ -77,9 +85,6 @@ struct option_value { /* * Option variables and default values. */ -#ifdef PPP_FILTER -int dflag = 0; /* Tell libpcap we want debugging */ -#endif int debug = 0; /* Debug flag */ int kdebugflag = 0; /* Tell kernel to print debug messages */ int default_device = 1; /* Using /dev/tty or equivalent */ @@ -122,7 +127,6 @@ extern struct stat devstat; #ifdef PPP_FILTER struct bpf_program pass_filter;/* Filter program for packets to pass */ struct bpf_program active_filter; /* Filter program for link-active pkts */ -pcap_t pc; /* Fake struct pcap so we can compile expr */ #endif char *current_option; /* the name of the option being parsed */ @@ -286,9 +290,6 @@ option_t general_options[] = { #endif #ifdef PPP_FILTER - { "pdebug", o_int, &dflag, - "libpcap debugging", OPT_PRIO }, - { "pass-filter", 1, setpassfilter, "set filter for packets to pass", OPT_PRIO }, @@ -1439,13 +1440,18 @@ static int setpassfilter(argv) char **argv; { - pc.linktype = DLT_PPP; - pc.snapshot = PPP_HDRLEN; - - if (pcap_compile(&pc, &pass_filter, *argv, 1, netmask) == 0) - return 1; - option_error("error in pass-filter expression: %s\n", pcap_geterr(&pc)); - return 0; + pcap_t *pc; + int ret = 0; + + pc = pcap_open_dead(DLT_PPP_WITH_DIRECTION, 65535); + if (pcap_compile(pc, &pass_filter, *argv, 1, netmask) == -1) { + option_error("error in pass-filter expression: %s\n", + pcap_geterr(pc)); + ret = 1; + } + pcap_close(pc); + + return ret; } /* @@ -1455,13 +1461,18 @@ static int setactivefilter(argv) char **argv; { - pc.linktype = DLT_PPP; - pc.snapshot = PPP_HDRLEN; - - if (pcap_compile(&pc, &active_filter, *argv, 1, netmask) == 0) - return 1; - option_error("error in active-filter expression: %s\n", pcap_geterr(&pc)); - return 0; + pcap_t *pc; + int ret = 0; + + pc = pcap_open_dead(DLT_PPP_WITH_DIRECTION, 65535); + if (pcap_compile(pc, &active_filter, *argv, 1, netmask) == -1) { + option_error("error in active-filter expression: %s\n", + pcap_geterr(pc)); + ret = 1; + } + pcap_close(pc); + + return ret; } #endif