*/
-#ifndef lint
-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";
-#endif
-
/*
* tcpdump - dump traffic on a network
*
*/
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
/*
#endif
#endif
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
+
+/*
+ * This must appear after including netdissect-stdinc.h, so that _U_ is
+ * defined.
+ */
+#ifndef lint
+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";
+#endif
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
-#ifndef _WIN32
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <sys/time.h>
#include <sys/wait.h>
#include <sys/resource.h>
#include <pwd.h>
void requestinfo(int);
#endif
-#if defined(USE_WIN32_MM_TIMER)
- #include <MMsystem.h>
- static UINT timer_id;
- static void CALLBACK verbose_stats_dump(UINT, UINT, DWORD_PTR, DWORD_PTR, DWORD_PTR);
-#elif defined(HAVE_ALARM)
+#ifdef _WIN32
+ static HANDLE timer_handle = INVALID_HANDLE_VALUE;
+ static void CALLBACK verbose_stats_dump(PVOID param, BOOLEAN timer_fired);
+#else /* _WIN32 */
static void verbose_stats_dump(int sig);
-#endif
+#endif /* _WIN32 */
static void info(int);
static u_int packets_captured;
* only use them for the same purposes that the other versions of tcpdump
* use them:
*
- * OS X tcpdump uses -g to force non--v output for IP to be on one
+ * macOS tcpdump uses -g to force non--v output for IP to be on one
* line, making it more "g"repable;
*
- * OS X tcpdump uses -k to specify that packet comments in pcap-ng files
+ * macOS tcpdump uses -k to specify that packet comments in pcapng files
* should be printed;
*
* OpenBSD tcpdump uses -o to indicate that OS fingerprinting should be done
* for hosts sending TCP SYN packets;
*
- * OS X tcpdump uses -P to indicate that -w should write pcap-ng rather
+ * macOS tcpdump uses -P to indicate that -w should write pcapng rather
* than pcap files.
*
- * OS X tcpdump also uses -Q to specify expressions that match packet
+ * macOS tcpdump also uses -Q to specify expressions that match packet
* metadata, including but not limited to the packet direction.
* The expression syntax is different from a simple "in|out|inout",
- * and those expressions aren't accepted by OS X tcpdump, but the
+ * and those expressions aren't accepted by macOS tcpdump, but the
* equivalents would be "in" = "dir=in", "out" = "dir=out", and
* "inout" = "dir=in or dir=out", and the parser could conceivably
* special-case "in", "out", and "inout" as expressions for backwards
* Copy arg vector into a new buffer, concatenating arguments with spaces.
*/
static char *
-copy_argv(register char **argv)
+copy_argv(char **argv)
{
- register char **p;
- register u_int len = 0;
+ char **p;
+ u_int len = 0;
char *buf;
char *src, *dst;
static char *
read_infile(char *fname)
{
- register int i, fd, cc;
- register char *cp;
+ int i, fd, cc;
+ char *cp;
struct stat buf;
fd = open(fname, O_RDONLY|O_BINARY);
int
main(int argc, char **argv)
{
- register int cnt, op, i;
+ int cnt, op, i;
bpf_u_int32 localnet = 0, netmask = 0;
int timezone_offset = 0;
- register char *cp, *infile, *cmdbuf, *device, *RFileName, *VFileName, *WFileName;
+ char *cp, *infile, *cmdbuf, *device, *RFileName, *VFileName, *WFileName;
char *endp;
pcap_handler callback;
int dlt;
*"-v" means tcpdump should, once per second,
* "v"erbosely report the number of packets captured.
*/
-#ifdef USE_WIN32_MM_TIMER
- /* call verbose_stats_dump() each 1000 +/-100msec */
- timer_id = timeSetEvent(1000, 100, verbose_stats_dump, 0, TIME_PERIODIC);
+#ifdef _WIN32
+ /*
+ * https://blogs.msdn.microsoft.com/oldnewthing/20151230-00/?p=92741
+ *
+ * suggests that this dates back to W2K.
+ *
+ * I don't know what a "long wait" is, but we'll assume
+ * that printing the stats could be a "long wait".
+ */
+ CreateTimerQueueTimer(&timer_handle, NULL,
+ verbose_stats_dump, NULL, 1000, 1000,
+ WT_EXECUTEDEFAULT|WT_EXECUTELONGFUNCTION);
setvbuf(stderr, NULL, _IONBF, 0);
-#elif defined(HAVE_ALARM)
+#else /* _WIN32 */
+ /*
+ * Assume this is UN*X, and that it has setitimer(); that
+ * dates back to UNIX 95.
+ */
+ struct itimerval timer;
(void)setsignal(SIGALRM, verbose_stats_dump);
- alarm(1);
-#endif
+ timer.it_interval.tv_sec = 1;
+ timer.it_interval.tv_usec = 0;
+ timer.it_value.tv_sec = 1;
+ timer.it_value.tv_usec = 1;
+ setitimer(ITIMER_REAL, &timer, NULL);
+#endif /* _WIN32 */
}
if (RFileName == NULL) {
static void
cleanup(int signo _U_)
{
-#ifdef USE_WIN32_MM_TIMER
- if (timer_id)
- timeKillEvent(timer_id);
- timer_id = 0;
-#elif defined(HAVE_ALARM)
- alarm(0);
-#endif
+#ifdef _WIN32
+ if (timer_handle != INVALID_HANDLE_VALUE) {
+ DeleteTimerQueueTimer(NULL, timer_handle, NULL);
+ CloseHandle(timer_handle);
+ timer_handle = INVALID_HANDLE_VALUE;
+ }
+#else /* _WIN32 */
+ struct itimerval timer;
+
+ timer.it_interval.tv_sec = 0;
+ timer.it_interval.tv_usec = 0;
+ timer.it_value.tv_sec = 0;
+ timer.it_value.tv_usec = 0;
+ setitimer(ITIMER_REAL, &timer, NULL);
+#endif /* _WIN32 */
#ifdef HAVE_PCAP_BREAKLOOP
/*
#endif /* HAVE_FORK && HAVE_VFORK */
static void
-info(register int verbose)
+info(int verbose)
{
struct pcap_stat stats;
/*
* Called once each second in verbose mode while dumping to file
*/
-#ifdef USE_WIN32_MM_TIMER
-void CALLBACK verbose_stats_dump (UINT timer_id _U_, UINT msg _U_, DWORD_PTR arg _U_,
- DWORD_PTR dw1 _U_, DWORD_PTR dw2 _U_)
+#ifdef _WIN32
+static void CALLBACK verbose_stats_dump(PVOID param _U_,
+ BOOLEAN timer_fired _U_)
{
print_packets_captured();
}
-#elif defined(HAVE_ALARM)
+#else /* _WIN32 */
static void verbose_stats_dump(int sig _U_)
{
print_packets_captured();
- alarm(1);
}
-#endif
+#endif /* _WIN32 */
USES_APPLE_DEPRECATED_API
static void
projects / tcpdump / blobdiff