diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-10-10 12:55:06 +0200 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-10-11 09:29:33 +0200 |
commit | 104304864887f0e3765bb28333dc7b9bd991aa4f (patch) | |
tree | c1472d363822507fba1cebca8fb18f611accd51b /freebsd/contrib/tcpdump/print.c | |
parent | Update CONTRIBUTING.md (diff) | |
download | rtems-libbsd-104304864887f0e3765bb28333dc7b9bd991aa4f.tar.bz2 |
tcpdump: Update to FreeBSD head 2017-04-04
Update tcpdump from Git mirror commit
99a648a912e81e29d9c4c159cbbe263462f2d719 to
642b174daddbd0efd9bb5f242c43f4ab4db6869f.
Diffstat (limited to 'freebsd/contrib/tcpdump/print.c')
-rw-r--r-- | freebsd/contrib/tcpdump/print.c | 492 |
1 files changed, 492 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/print.c b/freebsd/contrib/tcpdump/print.c new file mode 100644 index 00000000..c76b30f7 --- /dev/null +++ b/freebsd/contrib/tcpdump/print.c @@ -0,0 +1,492 @@ +#include <machine/rtems-bsd-user-space.h> +#ifdef __rtems__ +#include <machine/rtems-bsd-program.h> +#include "rtems-bsd-tcpdump-namespace.h" +#endif /* __rtems__ */ +/* + * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that: (1) source code distributions + * retain the above copyright notice and this paragraph in its entirety, (2) + * distributions including binary code include the above copyright notice and + * this paragraph in its entirety in the documentation or other materials + * provided with the distribution, and (3) all advertising materials mentioning + * features or use of this software display the following acknowledgement: + * ``This product includes software developed by the University of California, + * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of + * the University nor the names of its contributors may be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * + * Support for splitting captures into multiple files with a maximum + * file size: + * + * Copyright (c) 2001 + * Seth Webster <swebster@sst.ll.mit.edu> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdlib.h> +#include <string.h> + +#include <netdissect-stdinc.h> + +#include "netdissect.h" +#include "addrtoname.h" +#include "print.h" + +struct printer { + if_printer f; + int type; +}; + +static const struct printer printers[] = { + { ether_if_print, DLT_EN10MB }, +#ifdef DLT_IPNET + { ipnet_if_print, DLT_IPNET }, +#endif +#ifdef DLT_IEEE802_15_4 + { ieee802_15_4_if_print, DLT_IEEE802_15_4 }, +#endif +#ifdef DLT_IEEE802_15_4_NOFCS + { ieee802_15_4_if_print, DLT_IEEE802_15_4_NOFCS }, +#endif +#ifdef DLT_PPI + { ppi_if_print, DLT_PPI }, +#endif +#ifdef DLT_NETANALYZER + { netanalyzer_if_print, DLT_NETANALYZER }, +#endif +#ifdef DLT_NETANALYZER_TRANSPARENT + { netanalyzer_transparent_if_print, DLT_NETANALYZER_TRANSPARENT }, +#endif +#if defined(DLT_NFLOG) && defined(HAVE_PCAP_NFLOG_H) + { nflog_if_print, DLT_NFLOG}, +#endif +#ifdef DLT_CIP + { cip_if_print, DLT_CIP }, +#endif +#ifdef DLT_ATM_CLIP + { cip_if_print, DLT_ATM_CLIP }, +#endif +#ifdef DLT_IP_OVER_FC + { ipfc_if_print, DLT_IP_OVER_FC }, +#endif + { null_if_print, DLT_NULL }, +#ifdef DLT_LOOP + { null_if_print, DLT_LOOP }, +#endif +#ifdef DLT_APPLE_IP_OVER_IEEE1394 + { ap1394_if_print, DLT_APPLE_IP_OVER_IEEE1394 }, +#endif +#if defined(DLT_BLUETOOTH_HCI_H4_WITH_PHDR) && defined(HAVE_PCAP_BLUETOOTH_H) + { bt_if_print, DLT_BLUETOOTH_HCI_H4_WITH_PHDR}, +#endif +#ifdef DLT_LANE8023 + { lane_if_print, DLT_LANE8023 }, +#endif + { arcnet_if_print, DLT_ARCNET }, +#ifdef DLT_ARCNET_LINUX + { arcnet_linux_if_print, DLT_ARCNET_LINUX }, +#endif + { raw_if_print, DLT_RAW }, +#ifdef DLT_IPV4 + { raw_if_print, DLT_IPV4 }, +#endif +#ifdef DLT_IPV6 + { raw_if_print, DLT_IPV6 }, +#endif +#ifdef HAVE_PCAP_USB_H +#ifdef DLT_USB_LINUX + { usb_linux_48_byte_print, DLT_USB_LINUX}, +#endif /* DLT_USB_LINUX */ +#ifdef DLT_USB_LINUX_MMAPPED + { usb_linux_64_byte_print, DLT_USB_LINUX_MMAPPED}, +#endif /* DLT_USB_LINUX_MMAPPED */ +#endif /* HAVE_PCAP_USB_H */ +#ifdef DLT_SYMANTEC_FIREWALL + { symantec_if_print, DLT_SYMANTEC_FIREWALL }, +#endif +#ifdef DLT_C_HDLC + { chdlc_if_print, DLT_C_HDLC }, +#endif +#ifdef DLT_HDLC + { chdlc_if_print, DLT_HDLC }, +#endif +#ifdef DLT_PPP_ETHER + { pppoe_if_print, DLT_PPP_ETHER }, +#endif +#if defined(DLT_PFLOG) && defined(HAVE_NET_IF_PFLOG_H) + { pflog_if_print, DLT_PFLOG }, +#endif + { token_if_print, DLT_IEEE802 }, + { fddi_if_print, DLT_FDDI }, +#ifdef DLT_LINUX_SLL + { sll_if_print, DLT_LINUX_SLL }, +#endif +#ifdef DLT_FR + { fr_if_print, DLT_FR }, +#endif +#ifdef DLT_FRELAY + { fr_if_print, DLT_FRELAY }, +#endif +#ifdef DLT_MFR + { mfr_if_print, DLT_MFR }, +#endif + { atm_if_print, DLT_ATM_RFC1483 }, +#ifdef DLT_SUNATM + { sunatm_if_print, DLT_SUNATM }, +#endif +#ifdef DLT_ENC + { enc_if_print, DLT_ENC }, +#endif + { sl_if_print, DLT_SLIP }, +#ifdef DLT_SLIP_BSDOS + { sl_bsdos_if_print, DLT_SLIP_BSDOS }, +#endif +#ifdef DLT_LTALK + { ltalk_if_print, DLT_LTALK }, +#endif +#ifdef DLT_JUNIPER_ATM1 + { juniper_atm1_print, DLT_JUNIPER_ATM1 }, +#endif +#ifdef DLT_JUNIPER_ATM2 + { juniper_atm2_print, DLT_JUNIPER_ATM2 }, +#endif +#ifdef DLT_JUNIPER_MFR + { juniper_mfr_print, DLT_JUNIPER_MFR }, +#endif +#ifdef DLT_JUNIPER_MLFR + { juniper_mlfr_print, DLT_JUNIPER_MLFR }, +#endif +#ifdef DLT_JUNIPER_MLPPP + { juniper_mlppp_print, DLT_JUNIPER_MLPPP }, +#endif +#ifdef DLT_JUNIPER_PPPOE + { juniper_pppoe_print, DLT_JUNIPER_PPPOE }, +#endif +#ifdef DLT_JUNIPER_PPPOE_ATM + { juniper_pppoe_atm_print, DLT_JUNIPER_PPPOE_ATM }, +#endif +#ifdef DLT_JUNIPER_GGSN + { juniper_ggsn_print, DLT_JUNIPER_GGSN }, +#endif +#ifdef DLT_JUNIPER_ES + { juniper_es_print, DLT_JUNIPER_ES }, +#endif +#ifdef DLT_JUNIPER_MONITOR + { juniper_monitor_print, DLT_JUNIPER_MONITOR }, +#endif +#ifdef DLT_JUNIPER_SERVICES + { juniper_services_print, DLT_JUNIPER_SERVICES }, +#endif +#ifdef DLT_JUNIPER_ETHER + { juniper_ether_print, DLT_JUNIPER_ETHER }, +#endif +#ifdef DLT_JUNIPER_PPP + { juniper_ppp_print, DLT_JUNIPER_PPP }, +#endif +#ifdef DLT_JUNIPER_FRELAY + { juniper_frelay_print, DLT_JUNIPER_FRELAY }, +#endif +#ifdef DLT_JUNIPER_CHDLC + { juniper_chdlc_print, DLT_JUNIPER_CHDLC }, +#endif +#ifdef DLT_PKTAP + { pktap_if_print, DLT_PKTAP }, +#endif +#ifdef DLT_IEEE802_11_RADIO + { ieee802_11_radio_if_print, DLT_IEEE802_11_RADIO }, +#endif +#ifdef DLT_IEEE802_11 + { ieee802_11_if_print, DLT_IEEE802_11}, +#endif +#ifdef DLT_IEEE802_11_RADIO_AVS + { ieee802_11_radio_avs_if_print, DLT_IEEE802_11_RADIO_AVS }, +#endif +#ifdef DLT_PRISM_HEADER + { prism_if_print, DLT_PRISM_HEADER }, +#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 +#ifdef DLT_PPP_SERIAL + { ppp_hdlc_if_print, DLT_PPP_SERIAL }, +#endif + { NULL, 0 }, +}; + +static void ndo_default_print(netdissect_options *ndo, const u_char *bp, + u_int length); + +static void ndo_error(netdissect_options *ndo, const char *fmt, ...) + __attribute__((noreturn)) +#ifdef __ATTRIBUTE___FORMAT_OK + __attribute__((format (printf, 2, 3))) +#endif /* __ATTRIBUTE___FORMAT_OK */ + ; +static void ndo_warning(netdissect_options *ndo, const char *fmt, ...) +#ifdef __ATTRIBUTE___FORMAT_OK + __attribute__((format (printf, 2, 3))) +#endif /* __ATTRIBUTE___FORMAT_OK */ + ; + +static int ndo_printf(netdissect_options *ndo, const char *fmt, ...) +#ifdef __ATTRIBUTE___FORMAT_OK + __attribute ((format (printf, 2, 3))) +#endif /* __ATTRIBUTE___FORMAT_OK */ + ; + +void +init_print(netdissect_options *ndo, uint32_t localnet, uint32_t mask, + uint32_t timezone_offset) +{ + + thiszone = timezone_offset; + init_addrtoname(ndo, localnet, mask); + init_checksum(); +} + +if_printer +lookup_printer(int type) +{ + const struct printer *p; + + for (p = printers; p->f; ++p) + if (type == p->type) + return p->f; + +#if defined(DLT_USER2) && defined(DLT_PKTAP) + /* + * Apple incorrectly chose to use DLT_USER2 for their PKTAP + * header. + * + * We map DLT_PKTAP, whether it's DLT_USER2 as it is on Darwin- + * based OSes or the same value as LINKTYPE_PKTAP as it is on + * other OSes, to LINKTYPE_PKTAP, so files written with + * this version of libpcap for a DLT_PKTAP capture have a link- + * layer header type of LINKTYPE_PKTAP. + * + * However, files written on OS X Mavericks for a DLT_PKTAP + * capture have a link-layer header type of LINKTYPE_USER2. + * If we don't have a printer for DLT_USER2, and type is + * DLT_USER2, we look up the printer for DLT_PKTAP and use + * that. + */ + if (type == DLT_USER2) { + for (p = printers; p->f; ++p) + if (DLT_PKTAP == p->type) + return p->f; + } +#endif + + return NULL; + /* NOTREACHED */ +} + +int +has_printer(int type) +{ + return (lookup_printer(type) != NULL); +} + +if_printer +get_if_printer(netdissect_options *ndo, int type) +{ + const char *dltname; + if_printer printer; + + printer = lookup_printer(type); + if (printer == NULL) { + dltname = pcap_datalink_val_to_name(type); + if (dltname != NULL) + (*ndo->ndo_error)(ndo, + "packet printing is not supported for link type %s: use -w", + dltname); + else + (*ndo->ndo_error)(ndo, + "packet printing is not supported for link type %d: use -w", type); + } + return printer; +} + +void +pretty_print_packet(netdissect_options *ndo, const struct pcap_pkthdr *h, + const u_char *sp, u_int packets_captured) +{ + u_int hdrlen; + + if(ndo->ndo_packet_number) + ND_PRINT((ndo, "%5u ", packets_captured)); + + ts_print(ndo, &h->ts); + + /* + * Some printers want to check that they're not walking off the + * end of the packet. + * Rather than pass it all the way down, we set this member + * of the netdissect_options structure. + */ + ndo->ndo_snapend = sp + h->caplen; + + hdrlen = (ndo->ndo_if_printer)(ndo, h, sp); + + /* + * Restore the original snapend, as a printer might have + * changed it. + */ + ndo->ndo_snapend = sp + h->caplen; + if (ndo->ndo_Xflag) { + /* + * Print the raw packet data in hex and ASCII. + */ + if (ndo->ndo_Xflag > 1) { + /* + * Include the link-layer header. + */ + hex_and_ascii_print(ndo, "\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_and_ascii_print(ndo, "\n\t", sp + hdrlen, + h->caplen - hdrlen); + } + } else if (ndo->ndo_xflag) { + /* + * Print the raw packet data in hex. + */ + if (ndo->ndo_xflag > 1) { + /* + * Include the link-layer header. + */ + hex_print(ndo, "\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(ndo, "\n\t", sp + hdrlen, + h->caplen - hdrlen); + } + } else if (ndo->ndo_Aflag) { + /* + * Print the raw packet data in ASCII. + */ + if (ndo->ndo_Aflag > 1) { + /* + * Include the link-layer header. + */ + ascii_print(ndo, 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) + ascii_print(ndo, sp + hdrlen, h->caplen - hdrlen); + } + } + + ND_PRINT((ndo, "\n")); +} + +/* + * By default, print the specified data out in hex and ASCII. + */ +static void +ndo_default_print(netdissect_options *ndo, const u_char *bp, u_int length) +{ + hex_and_ascii_print(ndo, "\n\t", bp, length); /* pass on lf and indentation string */ +} + +/* VARARGS */ +static void +ndo_error(netdissect_options *ndo, const char *fmt, ...) +{ + va_list ap; + + if(ndo->program_name) + (void)fprintf(stderr, "%s: ", ndo->program_name); + va_start(ap, fmt); + (void)vfprintf(stderr, fmt, ap); + va_end(ap); + if (*fmt) { + fmt += strlen(fmt); + if (fmt[-1] != '\n') + (void)fputc('\n', stderr); + } + nd_cleanup(); + exit(1); + /* NOTREACHED */ +} + +/* VARARGS */ +static void +ndo_warning(netdissect_options *ndo, const char *fmt, ...) +{ + va_list ap; + + if(ndo->program_name) + (void)fprintf(stderr, "%s: ", ndo->program_name); + (void)fprintf(stderr, "WARNING: "); + va_start(ap, fmt); + (void)vfprintf(stderr, fmt, ap); + va_end(ap); + if (*fmt) { + fmt += strlen(fmt); + if (fmt[-1] != '\n') + (void)fputc('\n', stderr); + } +} + +static int +ndo_printf(netdissect_options *ndo, const char *fmt, ...) +{ + va_list args; + int ret; + + va_start(args, fmt); + ret = vfprintf(stdout, fmt, args); + va_end(args); + + if (ret < 0) + ndo_error(ndo, "Unable to write output: %s", pcap_strerror(errno)); + return (ret); +} + +void +ndo_set_function_pointers(netdissect_options *ndo) +{ + ndo->ndo_default_print=ndo_default_print; + ndo->ndo_printf=ndo_printf; + ndo->ndo_error=ndo_error; + ndo->ndo_warning=ndo_warning; +} +/* + * Local Variables: + * c-style: whitesmith + * c-basic-offset: 8 + * End: + */ +#ifdef __rtems__ +#include "rtems-bsd-tcpdump-print-data.h" +#endif /* __rtems__ */ |