X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/b7f937175ac55a7dc5b5d23e3f0078fcaf92ff44..f92053e7c4470b3566b77c0fe0a21b98d5c68ecd:/tcpdump.c diff --git a/tcpdump.c b/tcpdump.c index 1889ce30..f0edd267 100644 --- a/tcpdump.c +++ b/tcpdump.c @@ -30,7 +30,7 @@ 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/tcpdump/tcpdump.c,v 1.245 2004-06-15 23:09:46 guy Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/tcpdump/tcpdump.c,v 1.251 2004-12-23 10:43:12 guy Exp $ (LBL)"; #endif /* @@ -90,7 +90,8 @@ netdissect_options *gndo = &Gndo; #define MAX_CFLAG 1000000 #define MAX_CFLAG_CHARS 6 -int Lflag; /* list available data link types and exit */ +int dflag; /* print filter code */ +int Lflag; /* list available data link types and exit */ static int infodelay; static int infoprint; @@ -105,6 +106,7 @@ static void usage(void) __attribute__((noreturn)); static void show_dlts_and_exit(pcap_t *pd) __attribute__((noreturn)); static void print_packet(u_char *, const struct pcap_pkthdr *, const u_char *); +static void ndo_default_print(netdissect_options *, const u_char *, u_int); static void dump_packet_and_trunc(u_char *, const struct pcap_pkthdr *, const u_char *); static void dump_packet(u_char *, const struct pcap_pkthdr *, const u_char *); static void droproot(const char *, const char *); @@ -154,6 +156,9 @@ static struct printer printers[] = { { sl_bsdos_if_print, DLT_SLIP_BSDOS }, #endif { ppp_if_print, DLT_PPP }, +#ifdef DLT_PPP_WITHDIRECTION + { ppp_if_print, DLT_PPP_WITHDIRECTION }, +#endif #ifdef DLT_PPP_BSDOS { ppp_bsdos_if_print, DLT_PPP_BSDOS }, #endif @@ -214,6 +219,12 @@ static struct printer printers[] = { #endif #ifdef DLT_APPLE_IP_OVER_IEEE1394 { ap1394_if_print, DLT_APPLE_IP_OVER_IEEE1394 }, +#endif +#ifdef DLT_JUNIPER_ATM1 + { juniper_atm1_print, DLT_JUNIPER_ATM1 }, +#endif +#ifdef DLT_JUNIPER_ATM2 + { juniper_atm2_print, DLT_JUNIPER_ATM2 }, #endif { NULL, 0 }, }; @@ -388,7 +399,7 @@ static int tcpdump_printf(netdissect_options *ndo _U_, va_end(args); return ret; -}; +} int main(int argc, char **argv) @@ -421,6 +432,7 @@ main(int argc, char **argv) gndo->ndo_Oflag=1; gndo->ndo_Rflag=1; gndo->ndo_dlt=-1; + gndo->ndo_default_print=ndo_default_print; gndo->ndo_printf=tcpdump_printf; gndo->ndo_error=ndo_error; gndo->ndo_warning=ndo_warning; @@ -699,7 +711,6 @@ main(int argc, char **argv) break; case 'X': - ++xflag; ++Xflag; break; @@ -1194,7 +1205,26 @@ print_packet(u_char *user, const struct pcap_pkthdr *h, const u_char *sp) /* * Include the link-layer header. */ - default_print(sp, h->caplen); + hex_print("\n\t", sp, h->caplen); + } else { + /* + * Don't include the link-layer header - and if + * we have nothing past the link-layer header, + * print nothing. + */ + if (h->caplen > hdrlen) + hex_print("\n\t", sp + hdrlen, + h->caplen - hdrlen); + } + } else if (Xflag) { + /* + * Print the raw packet data. + */ + if (Xflag > 1) { + /* + * Include the link-layer header. + */ + ascii_print("\n\t", sp, h->caplen); } else { /* * Don't include the link-layer header - and if @@ -1202,7 +1232,7 @@ print_packet(u_char *user, const struct pcap_pkthdr *h, const u_char *sp) * print nothing. */ if (h->caplen > hdrlen) - default_print(sp + hdrlen, + ascii_print("\n\t", sp + hdrlen, h->caplen - hdrlen); } } @@ -1244,10 +1274,16 @@ print_packet(u_char *user, const struct pcap_pkthdr *h, const u_char *sp) /* * By default, print the specified data out in hex. */ +static void +ndo_default_print(netdissect_options *ndo _U_, const u_char *bp, u_int length) +{ + ascii_print("\n\t", bp, length); /* pass on lf and identation string */ +} + void -default_print(register const u_char *bp, register u_int length) +default_print(const u_char *bp, u_int length) { - ascii_print("\n\t", bp, length); /* pass on lf and identation string */ + ndo_default_print(gndo, bp, length); } #ifdef SIGINFO @@ -1327,7 +1363,7 @@ usage(void) /* VARARGS */ -void +static void ndo_error(netdissect_options *ndo _U_, const char *fmt, ...) { va_list ap; @@ -1346,7 +1382,7 @@ ndo_error(netdissect_options *ndo _U_, const char *fmt, ...) } /* VARARGS */ -void +static void ndo_warning(netdissect_options *ndo _U_, const char *fmt, ...) { va_list ap;