#ifdef WIN32
#include "w32_fzs.h"
-extern int strcasecmp (const char *__s1, const char *__s2);
extern int SIZE_BUF;
#define off_t long
#define uint UINT
#include "setsignal.h"
#include "gmt2local.h"
#include "pcap-missing.h"
+#include "ascii_strcasecmp.h"
+
+#include "print.h"
#ifndef PATH_MAX
#define PATH_MAX 1024
#define SIGNAL_REQ_INFO SIGUSR1
#endif
-netdissect_options Gndo;
-netdissect_options *gndo = &Gndo;
-
+static int Cflag; /* rotate dump files after this many bytes */
+static int Cflag_count; /* Keep track of which file number we're writing */
static int Dflag; /* list available devices and exit */
static int dflag; /* print filter code */
+static int Gflag; /* rotate dump files after this many seconds */
+static int Gflag_count; /* number of files created with Gflag rotation */
+static time_t Gflag_time; /* The last time_t the dump file was rotated. */
static int Lflag; /* list available data link types and exit */
+static int Iflag; /* rfmon (monitor) mode */
#ifdef HAVE_PCAP_SET_TSTAMP_TYPE
static int Jflag; /* list available time stamp types */
#endif
#ifdef HAVE_PCAP_SETDIRECTION
int Qflag = -1; /* restrict captured packet by send/receive direction */
#endif
+static int Uflag; /* "unbuffered" output of dump files */
+static int Wflag; /* recycle output files after this number of files */
+static int WflagChars;
static char *zflag = NULL; /* compress each savefile using a specified command (like gzip or bzip2) */
static int infodelay;
char *program_name;
-int32_t thiszone; /* seconds offset from gmt to local time */
-
/* Forwards */
static RETSIGTYPE cleanup(int);
static RETSIGTYPE child_cleanup(int);
static void show_dlts_and_exit(const char *device, 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 *);
-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 */
- ;
#ifdef SIGNAL_REQ_INFO
RETSIGTYPE requestinfo(int);
static void info(int);
static u_int packets_captured;
-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_PFVAR_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 const struct tok status_flags[] = {
#ifdef PCAP_IF_UP
{ PCAP_IF_UP, "Up" },
{ 0, NULL }
};
-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 */
-}
-
static pcap_t *pd;
static int supports_monitor_mode;
extern int opterr;
extern char *optarg;
-struct print_info {
- netdissect_options *ndo;
- if_printer printer;
-};
-
struct dump_info {
char *WFileName;
char *CurrentFileName;
static void
show_dlts_and_exit(const char *device, pcap_t *pd)
{
- int n_dlts;
+ int n_dlts, i;
int *dlts = 0;
const char *dlt_name;
(void) fprintf(stderr, "Data link types for %s (use option -y to set):\n",
device);
- while (--n_dlts >= 0) {
- dlt_name = pcap_datalink_val_to_name(dlts[n_dlts]);
+ for (i = 0; i < n_dlts; i++) {
+ dlt_name = pcap_datalink_val_to_name(dlts[i]);
if (dlt_name != NULL) {
(void) fprintf(stderr, " %s (%s)", dlt_name,
- pcap_datalink_val_to_description(dlts[n_dlts]));
+ pcap_datalink_val_to_description(dlts[i]));
/*
* OK, does tcpdump handle that type?
*/
- if (lookup_printer(dlts[n_dlts]) == NULL)
+ if (!has_printer(dlts[i]))
(void) fprintf(stderr, " (printing not supported)");
fprintf(stderr, "\n");
} else {
(void) fprintf(stderr, " DLT %d (printing not supported)\n",
- dlts[n_dlts]);
+ dlts[i]);
}
}
#ifdef HAVE_PCAP_FREE_DATALINKS
free(filename);
}
-static int tcpdump_printf(netdissect_options *ndo _U_,
- const char *fmt, ...)
-{
-
- va_list args;
- int ret;
-
- va_start(args, fmt);
- ret=vfprintf(stdout, fmt, args);
- va_end(args);
-
- return ret;
-}
-
-static struct print_info
-get_print_info(int type)
-{
- struct print_info printinfo;
-
- printinfo.ndo = gndo;
- printinfo.printer = lookup_printer(type);
- if (printinfo.printer == NULL) {
- gndo->ndo_dltname = pcap_datalink_val_to_name(type);
- if (gndo->ndo_dltname != NULL)
- error("packet printing is not supported for link type %s: use -w",
- gndo->ndo_dltname);
- else
- error("packet printing is not supported for link type %d: use -w", type);
- }
- return (printinfo);
-}
-
static char *
get_next_file(FILE *VFile, char *ptr)
{
{
register int cnt, op, i;
bpf_u_int32 localnet =0 , netmask = 0;
+ int timezone_offset = 0;
register char *cp, *infile, *cmdbuf, *device, *RFileName, *VFileName, *WFileName;
pcap_handler callback;
int type;
cap_rights_t rights;
int cansandbox;
#endif /* HAVE_CAPSICUM */
+ int Bflag=0; /* buffer size */
+ int jflag=-1; /* packet time stamp source */
+ int Oflag=1; /* run filter code optimizer */
+ int pflag=0; /* don't go promiscuous */
+ netdissect_options Ndo;
+ netdissect_options *ndo = &Ndo;
#ifdef WIN32
if(wsockinit() != 0) return 1;
#endif /* WIN32 */
- jflag=-1; /* not set */
- 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;
- gndo->ndo_snaplen = DEFAULT_SNAPLEN;
- gndo->ndo_immediate = 0;
+ memset(ndo, 0, sizeof(*ndo));
+ ndo->ndo_Rflag=1;
+ ndo->ndo_dlt=-1;
+ ndo_set_function_pointers(ndo);
+ ndo->ndo_snaplen = DEFAULT_SNAPLEN;
+ ndo->ndo_immediate = 0;
cnt = -1;
device = NULL;
break;
case 'A':
- ++Aflag;
+ ++ndo->ndo_Aflag;
break;
case 'b':
- ++bflag;
+ ++ndo->ndo_bflag;
break;
#if defined(HAVE_PCAP_CREATE) || defined(WIN32)
break;
case 'e':
- ++eflag;
+ ++ndo->ndo_eflag;
break;
case 'E':
#ifndef HAVE_LIBCRYPTO
warning("crypto code not compiled in");
#endif
- gndo->ndo_espsecret = optarg;
+ ndo->ndo_espsecret = optarg;
break;
case 'f':
- ++fflag;
+ ++ndo->ndo_fflag;
break;
case 'F':
break;
case 'H':
- ++Hflag;
+ ++ndo->ndo_Hflag;
break;
case 'i':
break;
case 'K':
- ++Kflag;
+ ++ndo->ndo_Kflag;
break;
case 'm':
if (smiLoadModule(optarg) == 0) {
error("could not load MIB module %s", optarg);
}
- sflag = 1;
+ ndo->ndo_sflag = 1;
#else
(void)fprintf(stderr, "%s: ignoring option `-m %s' ",
program_name, optarg);
#ifndef HAVE_LIBCRYPTO
warning("crypto code not compiled in");
#endif
- sigsecret = optarg;
+ ndo->ndo_sigsecret = optarg;
break;
case 'n':
- ++nflag;
+ ++ndo->ndo_nflag;
break;
case 'N':
- ++Nflag;
+ ++ndo->ndo_Nflag;
break;
case 'O':
break;
case 'q':
- ++qflag;
- ++suppress_default_print;
+ ++ndo->ndo_qflag;
+ ++ndo->ndo_suppress_default_print;
break;
#ifdef HAVE_PCAP_SETDIRECTION
case 'Q':
- if (strcasecmp(optarg, "in") == 0)
+ if (ascii_strcasecmp(optarg, "in") == 0)
Qflag = PCAP_D_IN;
- else if (strcasecmp(optarg, "out") == 0)
+ else if (ascii_strcasecmp(optarg, "out") == 0)
Qflag = PCAP_D_OUT;
- else if (strcasecmp(optarg, "inout") == 0)
+ else if (ascii_strcasecmp(optarg, "inout") == 0)
Qflag = PCAP_D_INOUT;
else
error("unknown capture direction `%s'", optarg);
break;
case 'R':
- Rflag = 0;
+ ndo->ndo_Rflag = 0;
break;
case 's':
- snaplen = strtol(optarg, &end, 0);
+ ndo->ndo_snaplen = strtol(optarg, &end, 0);
if (optarg == end || *end != '\0'
- || snaplen < 0 || snaplen > MAXIMUM_SNAPLEN)
+ || ndo->ndo_snaplen < 0 || ndo->ndo_snaplen > MAXIMUM_SNAPLEN)
error("invalid snaplen %s", optarg);
- else if (snaplen == 0)
- snaplen = MAXIMUM_SNAPLEN;
+ else if (ndo->ndo_snaplen == 0)
+ ndo->ndo_snaplen = MAXIMUM_SNAPLEN;
break;
case 'S':
- ++Sflag;
+ ++ndo->ndo_Sflag;
break;
case 't':
- ++tflag;
+ ++ndo->ndo_tflag;
break;
case 'T':
- if (strcasecmp(optarg, "vat") == 0)
- packettype = PT_VAT;
- else if (strcasecmp(optarg, "wb") == 0)
- packettype = PT_WB;
- else if (strcasecmp(optarg, "rpc") == 0)
- packettype = PT_RPC;
- else if (strcasecmp(optarg, "rtp") == 0)
- packettype = PT_RTP;
- else if (strcasecmp(optarg, "rtcp") == 0)
- packettype = PT_RTCP;
- else if (strcasecmp(optarg, "snmp") == 0)
- packettype = PT_SNMP;
- else if (strcasecmp(optarg, "cnfp") == 0)
- packettype = PT_CNFP;
- else if (strcasecmp(optarg, "tftp") == 0)
- packettype = PT_TFTP;
- else if (strcasecmp(optarg, "aodv") == 0)
- packettype = PT_AODV;
- else if (strcasecmp(optarg, "carp") == 0)
- packettype = PT_CARP;
- else if (strcasecmp(optarg, "radius") == 0)
- packettype = PT_RADIUS;
- else if (strcasecmp(optarg, "zmtp1") == 0)
- packettype = PT_ZMTP1;
- else if (strcasecmp(optarg, "vxlan") == 0)
- packettype = PT_VXLAN;
- else if (strcasecmp(optarg, "pgm") == 0)
- packettype = PT_PGM;
- else if (strcasecmp(optarg, "pgm_zmtp1") == 0)
- packettype = PT_PGM_ZMTP1;
- else if (strcasecmp(optarg, "lmp") == 0)
- packettype = PT_LMP;
+ if (ascii_strcasecmp(optarg, "vat") == 0)
+ ndo->ndo_packettype = PT_VAT;
+ else if (ascii_strcasecmp(optarg, "wb") == 0)
+ ndo->ndo_packettype = PT_WB;
+ else if (ascii_strcasecmp(optarg, "rpc") == 0)
+ ndo->ndo_packettype = PT_RPC;
+ else if (ascii_strcasecmp(optarg, "rtp") == 0)
+ ndo->ndo_packettype = PT_RTP;
+ else if (ascii_strcasecmp(optarg, "rtcp") == 0)
+ ndo->ndo_packettype = PT_RTCP;
+ else if (ascii_strcasecmp(optarg, "snmp") == 0)
+ ndo->ndo_packettype = PT_SNMP;
+ else if (ascii_strcasecmp(optarg, "cnfp") == 0)
+ ndo->ndo_packettype = PT_CNFP;
+ else if (ascii_strcasecmp(optarg, "tftp") == 0)
+ ndo->ndo_packettype = PT_TFTP;
+ else if (ascii_strcasecmp(optarg, "aodv") == 0)
+ ndo->ndo_packettype = PT_AODV;
+ else if (ascii_strcasecmp(optarg, "carp") == 0)
+ ndo->ndo_packettype = PT_CARP;
+ else if (ascii_strcasecmp(optarg, "radius") == 0)
+ ndo->ndo_packettype = PT_RADIUS;
+ else if (ascii_strcasecmp(optarg, "zmtp1") == 0)
+ ndo->ndo_packettype = PT_ZMTP1;
+ else if (ascii_strcasecmp(optarg, "vxlan") == 0)
+ ndo->ndo_packettype = PT_VXLAN;
+ else if (ascii_strcasecmp(optarg, "pgm") == 0)
+ ndo->ndo_packettype = PT_PGM;
+ else if (ascii_strcasecmp(optarg, "pgm_zmtp1") == 0)
+ ndo->ndo_packettype = PT_PGM_ZMTP1;
+ else if (ascii_strcasecmp(optarg, "lmp") == 0)
+ ndo->ndo_packettype = PT_LMP;
else
error("unknown packet type `%s'", optarg);
break;
case 'u':
- ++uflag;
+ ++ndo->ndo_uflag;
break;
#ifdef HAVE_PCAP_DUMP_FLUSH
#endif
case 'v':
- ++vflag;
+ ++ndo->ndo_vflag;
break;
case 'V':
break;
case 'x':
- ++xflag;
- ++suppress_default_print;
+ ++ndo->ndo_xflag;
+ ++ndo->ndo_suppress_default_print;
break;
case 'X':
- ++Xflag;
- ++suppress_default_print;
+ ++ndo->ndo_Xflag;
+ ++ndo->ndo_suppress_default_print;
break;
case 'y':
- gndo->ndo_dltname = optarg;
- gndo->ndo_dlt =
- pcap_datalink_name_to_val(gndo->ndo_dltname);
- if (gndo->ndo_dlt < 0)
- error("invalid data link type %s", gndo->ndo_dltname);
+ ndo->ndo_dltname = optarg;
+ ndo->ndo_dlt =
+ pcap_datalink_name_to_val(ndo->ndo_dltname);
+ if (ndo->ndo_dlt < 0)
+ error("invalid data link type %s", ndo->ndo_dltname);
break;
#if defined(HAVE_PCAP_DEBUG) || defined(HAVE_YYDEBUG)
break;
case '#':
- gndo->ndo_packet_number = 1;
+ ndo->ndo_packet_number = 1;
break;
case OPTION_VERSION:
#ifdef HAVE_PCAP_SET_TSTAMP_PRECISION
case OPTION_TSTAMP_PRECISION:
- gndo->ndo_tstamp_precision = tstamp_precision_from_string(optarg);
- if (gndo->ndo_tstamp_precision < 0)
+ ndo->ndo_tstamp_precision = tstamp_precision_from_string(optarg);
+ if (ndo->ndo_tstamp_precision < 0)
error("unsupported time stamp precision");
break;
#endif
#ifdef HAVE_PCAP_SET_IMMEDIATE_MODE
case OPTION_IMMEDIATE_MODE:
- gndo->ndo_immediate = 1;
+ ndo->ndo_immediate = 1;
break;
#endif
show_devices_and_exit();
#endif
- switch (tflag) {
+ switch (ndo->ndo_tflag) {
case 0: /* Default */
case 4: /* Default + Date*/
- thiszone = gmt2local(0);
+ timezone_offset = gmt2local(0);
break;
case 1: /* No time stamp */
break;
}
- if (fflag != 0 && (VFileName != NULL || RFileName != NULL))
+ if (ndo->ndo_fflag != 0 && (VFileName != NULL || RFileName != NULL))
error("-f can not be used with -V or -r");
if (VFileName != NULL && RFileName != NULL)
* probably expecting to see packets pop up immediately.
*/
if (WFileName == NULL && isatty(1))
- gndo->ndo_immediate = 1;
+ ndo->ndo_immediate = 1;
#endif
#ifdef WITH_CHROOT
#ifdef HAVE_PCAP_SET_TSTAMP_PRECISION
pd = pcap_open_offline_with_tstamp_precision(RFileName,
- gndo->ndo_tstamp_precision, ebuf);
+ ndo->ndo_tstamp_precision, ebuf);
#else
pd = pcap_open_offline(RFileName, ebuf);
#endif
show_tstamp_types_and_exit(device, pd);
#endif
#ifdef HAVE_PCAP_SET_TSTAMP_PRECISION
- status = pcap_set_tstamp_precision(pd, gndo->ndo_tstamp_precision);
+ status = pcap_set_tstamp_precision(pd, ndo->ndo_tstamp_precision);
if (status != 0)
error("%s: Can't set %ssecond time stamp precision: %s",
device,
- tstamp_precision_to_string(gndo->ndo_tstamp_precision),
+ tstamp_precision_to_string(ndo->ndo_tstamp_precision),
pcap_statustostr(status));
#endif
#ifdef HAVE_PCAP_SET_IMMEDIATE_MODE
- if (gndo->ndo_immediate) {
+ if (ndo->ndo_immediate) {
status = pcap_set_immediate_mode(pd, 1);
if (status != 0)
error("%s: Can't set immediate mode: %s",
supports_monitor_mode = 1;
else
supports_monitor_mode = 0;
- status = pcap_set_snaplen(pd, snaplen);
+ status = pcap_set_snaplen(pd, ndo->ndo_snaplen);
if (status != 0)
error("%s: Can't set snapshot length: %s",
device, pcap_statustostr(status));
#endif /* !defined(HAVE_PCAP_CREATE) && defined(WIN32) */
if (Lflag)
show_dlts_and_exit(device, pd);
- if (gndo->ndo_dlt >= 0) {
+ if (ndo->ndo_dlt >= 0) {
#ifdef HAVE_PCAP_SET_DATALINK
- if (pcap_set_datalink(pd, gndo->ndo_dlt) < 0)
+ if (pcap_set_datalink(pd, ndo->ndo_dlt) < 0)
error("%s", pcap_geterr(pd));
#else
/*
* data link type, so we only let them
* set it to what it already is.
*/
- if (gndo->ndo_dlt != pcap_datalink(pd)) {
+ if (ndo->ndo_dlt != pcap_datalink(pd)) {
error("%s is not one of the DLTs supported by this device\n",
- gndo->ndo_dltname);
+ ndo->ndo_dltname);
}
#endif
(void)fprintf(stderr, "%s: data link type %s\n",
- program_name, gndo->ndo_dltname);
+ program_name, ndo->ndo_dltname);
(void)fflush(stderr);
}
i = pcap_snapshot(pd);
- if (snaplen < i) {
- warning("snaplen raised from %d to %d", snaplen, i);
- snaplen = i;
+ if (ndo->ndo_snaplen < i) {
+ warning("snaplen raised from %d to %d", ndo->ndo_snaplen, i);
+ ndo->ndo_snaplen = i;
}
- if(fflag != 0) {
+ if(ndo->ndo_fflag != 0) {
if (pcap_lookupnet(device, &localnet, &netmask, ebuf) < 0) {
warning("foreign (-f) flag used but: %s", ebuf);
}
free(cmdbuf);
exit(0);
}
- init_addrtoname(gndo, localnet, netmask);
- init_checksum();
+ init_print(ndo, localnet, netmask, timezone_offset);
#ifndef WIN32
(void)setsignal(SIGPIPE, cleanup);
#endif
} else {
type = pcap_datalink(pd);
- printinfo = get_print_info(type);
+ printinfo = get_print_info(ndo, type);
callback = print_packet;
pcap_userdata = (u_char *)&printinfo;
}
(void)setsignal(SIGNAL_REQ_INFO, requestinfo);
#endif
- if (vflag > 0 && WFileName) {
+ if (ndo->ndo_vflag > 0 && WFileName) {
/*
* When capturing to a file, "-v" means tcpdump should,
* every 10 secodns, "v"erbosely report the number of
* to a file from the -V file). Print a message to
* the standard error on UN*X.
*/
- if (!vflag && !WFileName) {
+ if (!ndo->ndo_vflag && !WFileName) {
(void)fprintf(stderr,
"%s: verbose output suppressed, use -v or -vv for full protocol decode\n",
program_name);
dlt_name = pcap_datalink_val_to_name(dlt);
if (dlt_name == NULL) {
(void)fprintf(stderr, "listening on %s, link-type %u, capture size %u bytes\n",
- device, dlt, snaplen);
+ device, dlt, ndo->ndo_snaplen);
} else {
(void)fprintf(stderr, "listening on %s, link-type %s (%s), capture size %u bytes\n",
device, dlt_name,
- pcap_datalink_val_to_description(dlt), snaplen);
+ pcap_datalink_val_to_description(dlt), ndo->ndo_snaplen);
}
(void)fflush(stderr);
}
#endif /* WIN32 */
#ifdef HAVE_CAPSICUM
- cansandbox = (nflag && VFileName == NULL && zflag == NULL);
+ cansandbox = (ndo->ndo_nflag && VFileName == NULL && zflag == NULL);
if (cansandbox && cap_enter() < 0 && errno != ENOSYS)
error("unable to enter the capability mode");
- if (cap_sandboxed())
- fprintf(stderr, "capability mode sandbox enabled\n");
#endif /* HAVE_CAPSICUM */
do {
new_dlt = pcap_datalink(pd);
if (WFileName && new_dlt != dlt)
error("%s: new dlt does not match original", RFileName);
- printinfo = get_print_info(new_dlt);
+ printinfo = get_print_info(ndo, new_dlt);
dlt_name = pcap_datalink_val_to_name(new_dlt);
if (dlt_name == NULL) {
fprintf(stderr, "reading from file %s, link-type %u\n",
dump_packet_and_trunc(u_char *user, const struct pcap_pkthdr *h, const u_char *sp)
{
struct dump_info *dump_info;
-#ifdef HAVE_CAPSICUM
- cap_rights_t rights;
-#endif
++packets_captured;
print_packet(u_char *user, const struct pcap_pkthdr *h, const u_char *sp)
{
struct print_info *print_info;
- u_int hdrlen;
- netdissect_options *ndo;
++packets_captured;
++infodelay;
print_info = (struct print_info *)user;
- ndo = print_info->ndo;
-
- 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 = (*print_info->printer)(print_info->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);
- }
- }
- putchar('\n');
+ pretty_print_packet(print_info, h, sp, packets_captured);
--infodelay;
if (infoprint)
char Wpcap_version[]="3.1";
#endif
-/*
- * 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 */
-}
-
-void
-default_print(const u_char *bp, u_int length)
-{
- ndo_default_print(gndo, bp, length);
-}
-
#ifdef SIGNAL_REQ_INFO
RETSIGTYPE requestinfo(int signo _U_)
{
(void)fprintf(stderr,
"\t\t[ -Z user ] [ expression ]\n");
}
-
-
-
-/* VARARGS */
-static void
-ndo_error(netdissect_options *ndo _U_, const char *fmt, ...)
-{
- va_list ap;
-
- (void)fprintf(stderr, "%s: ", 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);
- }
- exit(1);
- /* NOTREACHED */
-}
-
-/* VARARGS */
-static void
-ndo_warning(netdissect_options *ndo _U_, const char *fmt, ...)
-{
- va_list ap;
-
- (void)fprintf(stderr, "%s: WARNING: ", 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);
- }
-}
/*
* Local Variables:
* c-style: whitesmith