diff options
Diffstat (limited to 'filtertest.c')
| -rw-r--r-- | filtertest.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/filtertest.c b/filtertest.c index cfa69eab40a7..a56d1e49e923 100644 --- a/filtertest.c +++ b/filtertest.c @@ -24,7 +24,7 @@ static const char copyright[] _U_ = "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\ The Regents of the University of California. All rights reserved.\n"; static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/libpcap/filtertest.c,v 1.2 2005/08/08 17:50:13 guy Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/libpcap/filtertest.c,v 1.2 2005-08-08 17:50:13 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -39,6 +39,7 @@ static const char rcsid[] _U_ = #include <unistd.h> #include <fcntl.h> #include <errno.h> +#include <arpa/inet.h> #include <sys/types.h> #include <sys/stat.h> @@ -165,6 +166,7 @@ main(int argc, char **argv) int Oflag; long snaplen; int dlt; + bpf_u_int32 netmask = PCAP_NETMASK_UNKNOWN; char *cmdbuf; pcap_t *pd; struct bpf_program fcode; @@ -184,7 +186,7 @@ main(int argc, char **argv) program_name = argv[0]; opterr = 0; - while ((op = getopt(argc, argv, "dF:Os:")) != -1) { + while ((op = getopt(argc, argv, "dF:m:Os:")) != -1) { switch (op) { case 'd': @@ -199,6 +201,16 @@ main(int argc, char **argv) Oflag = 0; break; + case 'm': { + in_addr_t addr; + + addr = inet_addr(optarg); + if (addr == INADDR_NONE) + error("invalid netmask %s", optarg); + netmask = addr; + break; + } + case 's': { char *end; @@ -235,7 +247,7 @@ main(int argc, char **argv) if (pd == NULL) error("Can't open fake pcap_t"); - if (pcap_compile(pd, &fcode, cmdbuf, Oflag, 0) < 0) + if (pcap_compile(pd, &fcode, cmdbuf, Oflag, netmask) < 0) error("%s", pcap_geterr(pd)); bpf_dump(&fcode, dflag); pcap_close(pd); @@ -248,7 +260,7 @@ usage(void) (void)fprintf(stderr, "%s, with %s\n", program_name, pcap_lib_version()); (void)fprintf(stderr, - "Usage: %s [-dO] [ -F file ] [ -s snaplen ] dlt [ expression ]\n", + "Usage: %s [-dO] [ -F file ] [ -m netmask] [ -s snaplen ] dlt [ expression ]\n", program_name); exit(1); } |