*
* $Id$
*
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
#include <netdb.h>
#endif
-#ifdef _WIN32 /* Needed for console I/O */
-#include <conio.h>
-#endif
-
#include "ringbuffer.h"
#include "clopts_common.h"
#include "cmdarg_err.h"
#ifdef _WIN32
#include "capture-wpcap.h"
-#include "capture_wpcap_packet.h"
#endif
+#include "sync_pipe.h"
+
#include "capture.h"
#include "capture_loop.h"
#include "capture_sync.h"
#include "file_util.h"
+/*#define DEBUG_DUMPCAP*/
-GString *comp_info_str, *runtime_info_str;
-gchar *ethereal_path = NULL;
+gboolean capture_child = FALSE; /* FALSE: standalone call, TRUE: this is an Ethereal capture child */
-#ifdef _WIN32
-static gboolean has_console = TRUE; /* TRUE if app has console */
-static void create_console(void);
-static void destroy_console(void);
-#endif
static void
console_log_handler(const char *log_domain, GLogLevelFlags log_level,
const char *message, gpointer user_data _U_);
+/* capture related options */
capture_options global_capture_opts;
capture_options *capture_opts = &global_capture_opts;
+#if __GNUC__ >= 2
+void exit_main(int err) __attribute__ ((noreturn));
+#else
+void exit_main(int err);
+#endif
static void
FILE *output;
-#ifdef _WIN32
- create_console();
-#endif
if (print_ver) {
output = stdout;
} else {
output = stderr;
}
- fprintf(output, "\nUsage: dumpcap [option] ...\n");
+ fprintf(output, "\nUsage: dumpcap [options] ...\n");
fprintf(output, "\n");
fprintf(output, "Capture interface:\n");
- fprintf(output, " -i <interface> name of interface (def: first none loopback)\n");
- fprintf(output, " -f <capture filter> packet filter in libpcap format\n");
+ fprintf(output, " -i <interface> name or idx of interface (def: first none loopback)\n");
+ fprintf(output, " -f <capture filter> packet filter in libpcap filter syntax\n");
fprintf(output, " -s <snaplen> packet snapshot length (def: 65535)\n");
fprintf(output, " -p don't capture in promiscuous mode\n");
#ifdef _WIN32
fprintf(output, " -B <buffer size> size of kernel buffer (def: 1MB)\n");
#endif
fprintf(output, " -y <link type> link layer type (def: first appropriate)\n");
+ fprintf(output, " -D print list of interfaces and exit\n");
+ fprintf(output, " -L print list of link-layer types of iface and exit\n");
fprintf(output, "\n");
fprintf(output, "Stop conditions:\n");
fprintf(output, " -c <packet count> stop after n packets (def: infinite)\n");
fprintf(output, "Miscellaneous:\n");
fprintf(output, " -v print version information and exit\n");
fprintf(output, " -h display this help and exit\n");
- fprintf(output, " -L print list of link-layer types of iface and exit\n");
fprintf(output, "\n");
fprintf(output, "Example: dumpcap -i eth0 -a duration:60 -w output.pcap\n");
fprintf(output, "\"Capture network packets from interface eth0 until 60s passed into output.pcap\"\n");
}
static void
-show_version(void)
+show_version(GString *comp_info_str, GString *runtime_info_str)
{
-#ifdef _WIN32
- create_console();
-#endif
printf(
"Dumpcap " VERSION "%s\n"
"\n"
- "(C) 1998-2005 Gerald Combs <gerald@ethereal.com>\n"
- "See http://www.ethereal.com for more information.\n"
- "\n"
"%s\n"
- "\n"
- "%s\n",
- svnversion, comp_info_str->str, runtime_info_str->str);
+ "%s\n"
+ "%s\n"
+ "See http://www.ethereal.com for more information.\n",
+ svnversion, get_copyright_info() ,comp_info_str->str, runtime_info_str->str);
}
/*
* Report an error in command-line arguments.
- * Creates a console on Windows.
- * XXX - pop this up in a window of some sort on UNIX+X11 if the controlling
- * terminal isn't the standard error?
*/
void
cmdarg_err(const char *fmt, ...)
{
va_list ap;
-#ifdef _WIN32
- create_console();
-#endif
- va_start(ap, fmt);
- fprintf(stderr, "dumpcap: ");
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
- va_end(ap);
+ if(capture_child) {
+ /* XXX - convert to g_log */
+ } else {
+ va_start(ap, fmt);
+ fprintf(stderr, "dumpcap: ");
+ vfprintf(stderr, fmt, ap);
+ fprintf(stderr, "\n");
+ va_end(ap);
+ }
}
/*
* Report additional information for an error in command-line arguments.
- * Creates a console on Windows.
- * XXX - pop this up in a window of some sort on UNIX+X11 if the controlling
- * terminal isn't the standard error?
*/
void
cmdarg_err_cont(const char *fmt, ...)
{
va_list ap;
-#ifdef _WIN32
- create_console();
-#endif
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
- va_end(ap);
+ if(capture_child) {
+ /* XXX - convert to g_log */
+ } else {
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ fprintf(stderr, "\n");
+ va_end(ap);
+ }
}
#ifdef _WIN32
BOOL WINAPI ConsoleCtrlHandlerRoutine(DWORD dwCtrlType)
{
- /*printf("Event: %u", dwCtrlType);*/
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_INFO,
+ "Console: Ctrl+C");
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG,
+ "Console: Ctrl+C CtrlType: %u", dwCtrlType);
+
capture_loop_stop();
return TRUE;
}
#endif
-void
-exit_main(int err) {
+void exit_main(int status)
+{
#ifdef _WIN32
/* Shutdown windows sockets */
WSACleanup();
- destroy_console();
+ /* can be helpful for debugging */
+#ifdef DEBUG_DUMPCAP
+ printf("Press any key\n");
+ _getch();
#endif
- exit(err);
+#endif /* _WIN32 */
+
+ exit(status);
}
int opt;
extern char *optarg;
gboolean arg_error = FALSE;
+ GString *comp_info_str;
+ GString *runtime_info_str;
#ifdef _WIN32
WSADATA wsaData;
#endif /* _WIN32 */
- int err;
gboolean start_capture = TRUE;
- GList *if_list;
- if_info_t *if_info;
- GList *lt_list, *lt_entry;
- data_link_info_t *data_link_info;
- gchar err_str[PCAP_ERRBUF_SIZE];
- gchar *cant_get_if_list_errstr;
gboolean stats_known;
struct pcap_stat stats;
GLogLevelFlags log_flags;
gboolean list_link_layer_types = FALSE;
+ int status;
-#define OPTSTRING_INIT "a:b:c:f:Hhi:Lps:vW:w:y:"
+#define OPTSTRING_INIT "a:b:c:Df:hi:Lps:vw:y:Z"
#ifdef _WIN32
-#define OPTSTRING_WIN32 "B:Z:"
+#define OPTSTRING_WIN32 "B:"
#else
#define OPTSTRING_WIN32 ""
#endif /* _WIN32 */
char optstring[sizeof(OPTSTRING_INIT) + sizeof(OPTSTRING_WIN32) - 1] =
OPTSTRING_INIT OPTSTRING_WIN32;
- /*** create the compile and runtime version strings ***/
#ifdef _WIN32
/* Load wpcap if possible. Do this before collecting the run-time version information */
load_wpcap();
/* ... and also load the packet.dll from wpcap */
- wpcap_packet_load();
+ /* XXX - currently not required, may change later. */
+ /*wpcap_packet_load();*/
/* Start windows sockets */
WSAStartup( MAKEWORD( 1, 1 ), &wsaData );
-
-
+ /* Set handler for Ctrl+C key */
SetConsoleCtrlHandler(&ConsoleCtrlHandlerRoutine, TRUE);
#endif /* _WIN32 */
runtime_info_str = g_string_new("Running ");
get_runtime_version_info(runtime_info_str);
- ethereal_path = argv[0];
-
- /* Arrange that if we have no console window, and a GLib message logging
- routine is called to log a message, we pop up a console window.
-
- We do that by inserting our own handler for all messages logged
- to the default domain; that handler pops up a console if necessary,
- and then calls the default handler. */
-
- /* We might want to have component specific log levels later ... */
-
- /* the default_log_handler will use stdout, which makes trouble with the */
- /* capture child, as it uses stdout for it's sync_pipe */
+ /* the default_log_handler will use stdout, which makes trouble in */
+ /* capture child mode, as it uses stdout for it's sync_pipe */
/* so do the filtering in the console_log_handler and not here */
log_flags =
G_LOG_LEVEL_ERROR|
console_log_handler, NULL /* user_data */);
/* Set the initial values in the capture_opts. This might be overwritten
- by preference settings and then again by the command line parameters. */
+ by the command line parameters. */
capture_opts_init(capture_opts, NULL);
- capture_opts->snaplen = MIN_PACKET_SIZE;
+ /* Default to capturing the entire packet. */
+ capture_opts->snaplen = WTAP_MAX_PACKET_SIZE;
+
+ /* We always save to a file - if no file was specified, we save to a
+ temporary file. */
+ capture_opts->saving_to_file = TRUE;
capture_opts->has_ring_num_files = TRUE;
/* Now get our args */
exit_main(0);
break;
case 'v': /* Show version and exit */
- show_version();
+ show_version(comp_info_str, runtime_info_str);
exit_main(0);
break;
/*** capture option specific ***/
case 'a': /* autostop criteria */
case 'b': /* Ringbuffer option */
- case 'c': /* Capture xxx packets */
+ case 'c': /* Capture x packets */
case 'f': /* capture filter */
- case 'H': /* Hide capture info dialog box */
- case 'i': /* Use interface xxx */
+ case 'i': /* Use interface x */
case 'p': /* Don't capture in promiscuous mode */
case 's': /* Set the snapshot (capture) length */
- case 'w': /* Write to capture file xxx */
+ case 'w': /* Write to capture file x */
case 'y': /* Set the pcap data link type */
#ifdef _WIN32
case 'B': /* Buffer size */
- /* Hidden option supporting Sync mode */
- case 'Z': /* Write to pipe FD XXX */
#endif /* _WIN32 */
- capture_opts_add_opt(capture_opts, opt, optarg, &start_capture);
+ status = capture_opts_add_opt(capture_opts, opt, optarg, &start_capture);
+ if(status != 0) {
+ exit_main(status);
+ }
break;
- /* This is a hidden option supporting Sync mode, so we don't set
- * the error flags for the user in the non-libpcap case.
- */
- case 'W': /* Write to capture file FD xxx */
- capture_opts_add_opt(capture_opts, opt, optarg, &start_capture);
- break;
+ /*** hidden option: Ethereal child mode (using binary output messages) ***/
+ case 'Z':
+ capture_child = TRUE;
+#ifdef _WIN32
+ /* set output pipe to binary mode, to avoid ugly text conversions */
+ _setmode(1, O_BINARY);
+#endif
+ break;
/*** all non capture option specific ***/
+ case 'D': /* Print a list of capture devices and exit */
+ status = capture_opts_list_interfaces();
+ exit_main(status);
+ break;
case 'L': /* Print list of link-layer types and exit */
list_link_layer_types = TRUE;
break;
default:
case '?': /* Bad flag - print usage message */
+ cmdarg_err("Invalid Option: %s", argv[optind-1]);
arg_error = TRUE;
break;
}
argv += optind;
if (argc >= 1) {
/* user specified file name as regular command-line argument */
- /* XXX - use it as the capture file name (or somthing else)? */
+ /* XXX - use it as the capture file name (or something else)? */
argc--;
argv++;
}
}
}
-/* Did the user specify an interface to use? */
-if (capture_opts->iface == NULL) {
- /* No - pick the first one from the list of interfaces. */
- if_list = get_interface_list(&err, err_str);
- if (if_list == NULL) {
- switch (err) {
-
- case CANT_GET_INTERFACE_LIST:
- cant_get_if_list_errstr = cant_get_if_list_error_message(err_str);
- cmdarg_err("%s", cant_get_if_list_errstr);
- g_free(cant_get_if_list_errstr);
- break;
-
- case NO_INTERFACES_FOUND:
- cmdarg_err("There are no interfaces on which a capture can be done");
- break;
- }
- exit_main(2);
- }
- if_info = if_list->data; /* first interface */
- capture_opts->iface = g_strdup(if_info->name);
- free_interface_list(if_list);
+ if (capture_opts_trim_iface(capture_opts, NULL) == FALSE) {
+ cmdarg_err("No capture interfaces available (maybe lack of privileges?).");
+ exit_main(1);
}
+ /* Let the user know what interface was chosen. */
+ /* get_interface_descriptive_name() is not available! */
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "Interface: %s\n", capture_opts->iface);
+
if (list_link_layer_types) {
- /* Get the list of link-layer types for the capture device. */
- lt_list = get_pcap_linktype_list(capture_opts->iface, err_str);
- if (lt_list == NULL) {
- if (err_str[0] != '\0') {
- cmdarg_err("The list of data link types for the capture device could not be obtained (%s)."
- "Please check to make sure you have sufficient permissions, and that\n"
- "you have the proper interface or pipe specified.\n", err_str);
- } else
- cmdarg_err("The capture device has no data link types.");
- exit_main(2);
- }
- g_warning("Data link types (use option -y to set):");
- for (lt_entry = lt_list; lt_entry != NULL;
- lt_entry = g_list_next(lt_entry)) {
- data_link_info = lt_entry->data;
- g_warning(" %s", data_link_info->name);
- if (data_link_info->description != NULL)
- g_warning(" (%s)", data_link_info->description);
- else
- g_warning(" (not supported)");
- putchar('\n');
- }
- free_pcap_linktype_list(lt_list);
- exit_main(0);
+ status = capture_opts_list_link_layer_types(capture_opts);
+ exit_main(status);
}
- capture_opts_trim(capture_opts, MIN_PACKET_SIZE);
+ capture_opts_trim_snaplen(capture_opts, MIN_PACKET_SIZE);
+ capture_opts_trim_ring_num_files(capture_opts);
/* Now start the capture. */
- /* XXX - hand the stats to the parent process */
if(capture_loop_start(capture_opts, &stats_known, &stats) == TRUE) {
/* capture ok */
- err = 0;
+ exit_main(0);
} else {
/* capture failed */
- err = 1;
- }
-
- /* the capture is done; there's nothing more for us to do. */
- exit_main(err);
-}
-
-#ifdef _WIN32
-
-/* We build this as a GUI subsystem application on Win32, so
- "WinMain()", not "main()", gets called.
-
- Hack shamelessly stolen from the Win32 port of the GIMP. */
-#ifdef __GNUC__
-#define _stdcall __attribute__((stdcall))
-#endif
-
-int _stdcall
-WinMain (struct HINSTANCE__ *hInstance,
- struct HINSTANCE__ *hPrevInstance,
- char *lpszCmdLine,
- int nCmdShow)
-{
- has_console = FALSE;
- return main (__argc, __argv);
-}
-
-/*
- * If this application has no console window to which its standard output
- * would go, create one.
- */
-void
-create_console(void)
-{
- if (!has_console) {
- /* We have no console to which to print the version string, so
- create one and make it the standard input, output, and error. */
- if (!AllocConsole())
- return; /* couldn't create console */
- eth_freopen("CONIN$", "r", stdin);
- eth_freopen("CONOUT$", "w", stdout);
- eth_freopen("CONOUT$", "w", stderr);
-
- /* Well, we have a console now. */
- has_console = TRUE;
-
- /* Now register "destroy_console()" as a routine to be called just
- before the application exits, so that we can destroy the console
- after the user has typed a key (so that the console doesn't just
- disappear out from under them, giving the user no chance to see
- the message(s) we put in there). */
- atexit(destroy_console);
-
- SetConsoleTitle("Dumpcap Console");
- }
-}
-
-static void
-destroy_console(void)
-{
- if (has_console) {
- printf("\n\nPress any key to exit\n");
- _getch();
- FreeConsole();
+ exit_main(1);
}
}
-#endif /* _WIN32 */
-
-/* This routine should not be necessary, at least as I read the GLib
- source code, as it looks as if GLib is, on Win32, *supposed* to
- create a console window into which to display its output.
- That doesn't happen, however. I suspect there's something completely
- broken about that code in GLib-for-Win32, and that it may be related
- to the breakage that forces us to just call "printf()" on the message
- rather than passing the message on to "g_log_default_handler()"
- (which is the routine that does the aforementioned non-functional
- console window creation). */
static void
console_log_handler(const char *log_domain, GLogLevelFlags log_level,
const char *message, gpointer user_data _U_)
/* ignore log message, if log_level isn't interesting */
- if( !(log_level & G_LOG_LEVEL_MASK & ~G_LOG_LEVEL_DEBUG /*prefs.console_log_level*/)) {
+ if( !(log_level & G_LOG_LEVEL_MASK & ~(G_LOG_LEVEL_DEBUG|G_LOG_LEVEL_INFO))) {
+#ifndef DEBUG_DUMPCAP
return;
+#endif
}
/* create a "timestamp" */
time(&curr);
today = localtime(&curr);
-#ifdef _WIN32
-/* if (prefs.gui_console_open != console_open_never) {*/
- create_console();
-/* }*/
- if (has_console) {
- /* For some unknown reason, the above doesn't appear to actually cause
- anything to be sent to the standard output, so we'll just splat the
- message out directly, just to make sure it gets out. */
-#endif
- switch(log_level & G_LOG_LEVEL_MASK) {
- case G_LOG_LEVEL_ERROR:
- level = "Err ";
- break;
- case G_LOG_LEVEL_CRITICAL:
- level = "Crit";
- break;
- case G_LOG_LEVEL_WARNING:
- level = "Warn";
- break;
- case G_LOG_LEVEL_MESSAGE:
- level = "Msg ";
- break;
- case G_LOG_LEVEL_INFO:
- level = "Info";
- break;
- case G_LOG_LEVEL_DEBUG:
- level = "Dbg ";
- break;
- default:
- fprintf(stderr, "unknown log_level %u\n", log_level);
- level = NULL;
- g_assert_not_reached();
- }
+ switch(log_level & G_LOG_LEVEL_MASK) {
+ case G_LOG_LEVEL_ERROR:
+ level = "Err ";
+ break;
+ case G_LOG_LEVEL_CRITICAL:
+ level = "Crit";
+ break;
+ case G_LOG_LEVEL_WARNING:
+ level = "Warn";
+ break;
+ case G_LOG_LEVEL_MESSAGE:
+ level = "Msg ";
+ break;
+ case G_LOG_LEVEL_INFO:
+ level = "Info";
+ break;
+ case G_LOG_LEVEL_DEBUG:
+ level = "Dbg ";
+ break;
+ default:
+ fprintf(stderr, "unknown log_level %u\n", log_level);
+ level = NULL;
+ g_assert_not_reached();
+ }
- /* don't use printf (stdout), as the capture child uses stdout for it's sync_pipe */
+ /* don't use printf (stdout), in child mode we're using stdout for the sync_pipe */
+ if(log_level & G_LOG_LEVEL_MESSAGE) {
+ /* normal user messages without additional infos */
+ fprintf(stderr, "%s\n", message);
+ fflush(stderr);
+ } else {
+ /* info/debug messages with additional infos */
fprintf(stderr, "%02u:%02u:%02u %8s %s %s\n",
today->tm_hour, today->tm_min, today->tm_sec,
log_domain != NULL ? log_domain : "",
level, message);
-#ifdef _WIN32
- } else {
- g_log_default_handler(log_domain, log_level, message, user_data);
+ fflush(stderr);
}
-#endif
}
+
/****************************************************************************************************************/
-/* sync_pipe "dummies" */
+/* indication report routines */
-static void
-pipe_write_block(int pipe, char indicator, int len, const char *msg)
-{
-}
void
-sync_pipe_packet_count_to_parent(int packet_count)
+report_packet_count(int packet_count)
{
char tmp[SP_DECISIZE+1+1];
+ static int count = 0;
- g_snprintf(tmp, sizeof(tmp), "%d", packet_count);
- /*g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "sync_pipe_packet_count_to_parent: %s", tmp);*/
-
- pipe_write_block(1, SP_PACKET_COUNT, strlen(tmp)+1, tmp);
+ if(capture_child) {
+ g_snprintf(tmp, sizeof(tmp), "%d", packet_count);
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "Packets: %s", tmp);
+ pipe_write_block(1, SP_PACKET_COUNT, tmp);
+ } else {
+ count += packet_count;
+ fprintf(stderr, "\rPackets: %u ", count);
+ /* stderr could be line buffered */
+ fflush(stderr);
+ }
}
void
-sync_pipe_filename_to_parent(const char *filename)
+report_new_capture_file(const char *filename)
{
- g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_INFO, "File: %s", filename);
-
- pipe_write_block(1, SP_FILE, strlen(filename)+1, filename);
-}
-void
-sync_pipe_errmsg_to_parent(const char *errmsg)
-{
- g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "sync_pipe_errmsg_to_parent: %s", errmsg);
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "File: %s", filename);
- pipe_write_block(1, SP_ERROR_MSG, strlen(errmsg)+1, errmsg);
+ if(capture_child) {
+ pipe_write_block(1, SP_FILE, filename);
+ }
}
void
-sync_pipe_drops_to_parent(int drops)
+report_cfilter_error(const char *cfilter _U_, const char *errmsg)
{
- char tmp[SP_DECISIZE+1+1];
-
-
- g_snprintf(tmp, sizeof(tmp), "%d", drops);
- g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "sync_pipe_drops_to_parent: %s", tmp);
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "Capture filter error: %s", errmsg);
- pipe_write_block(1, SP_DROPS, strlen(tmp)+1, tmp);
+ if (capture_child) {
+ pipe_write_block(1, SP_BAD_FILTER, errmsg);
+ }
}
-
-
-/****************************************************************************************************************/
-/* simple_dialog "dummies" */
-
-
-static gpointer *
-display_simple_dialog(gint type, gint btn_mask, char *message)
+void
+report_capture_error(const char *error_msg, const char *secondary_error_msg)
{
- printf("%s", message);
- return NULL;
-}
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG,
+ "Primary Error: %s", error_msg);
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG,
+ "Secondary Error: %s", secondary_error_msg);
-char *simple_dialog_primary_start(void)
-{
- return "";
+ if(capture_child) {
+ sync_pipe_errmsg_to_parent(error_msg, secondary_error_msg);
+ }
}
-char *simple_dialog_primary_end(void)
+void
+report_packet_drops(int drops)
{
- return "";
-}
-
-/* Simple dialog function - Displays a dialog box with the supplied message
- * text.
- *
- * Args:
- * type : One of ESD_TYPE_*.
- * btn_mask : The value passed in determines which buttons are displayed.
- * msg_format : Sprintf-style format of the text displayed in the dialog.
- * ... : Argument list for msg_format
- */
+ char tmp[SP_DECISIZE+1+1];
-gpointer
-vsimple_dialog(ESD_TYPE_E type, gint btn_mask, const gchar *msg_format, va_list ap)
-{
- gchar *vmessage;
- gchar *message;
- gpointer *win;
-#if GTK_MAJOR_VERSION >= 2
- GdkWindowState state = 0;
-#endif
- /* Format the message. */
- vmessage = g_strdup_vprintf(msg_format, ap);
+ g_snprintf(tmp, sizeof(tmp), "%d", drops);
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "Packets dropped: %s", tmp);
-#if GTK_MAJOR_VERSION >= 2
- /* convert character encoding from locale to UTF8 (using iconv) */
- message = g_locale_to_utf8(vmessage, -1, NULL, NULL, NULL);
- g_free(vmessage);
-#else
- message = vmessage;
-#endif
+ if(capture_child) {
+ pipe_write_block(1, SP_DROPS, tmp);
+ }
+}
- win = display_simple_dialog(type, btn_mask, message);
- g_free(message);
+/****************************************************************************************************************/
+/* signal_pipe handling */
- return win;
-}
-gpointer
-simple_dialog(ESD_TYPE_E type, gint btn_mask, const gchar *msg_format, ...)
+#ifdef _WIN32
+gboolean
+signal_pipe_check_running(void)
{
- va_list ap;
- gpointer ret;
+ /* any news from our parent (stdin)? -> just stop the capture */
+ HANDLE handle;
+ DWORD avail = 0;
+ gboolean result;
- va_start(ap, msg_format);
- ret = vsimple_dialog(type, btn_mask, msg_format, ap);
- va_end(ap);
- return ret;
-}
-char *
-simple_dialog_format_message(const char *msg)
-{
- char *str;
+ /* if we are running standalone, no check required */
+ if(!capture_child) {
+ return TRUE;
+ }
- if (msg) {
-#if GTK_MAJOR_VERSION < 2
- str = g_strdup(msg);
-#else
- str = xml_escape(msg);
-#endif
+ handle = (HANDLE) GetStdHandle(STD_INPUT_HANDLE);
+ result = PeekNamedPipe(handle, NULL, 0, NULL, &avail, NULL);
+
+ if(!result || avail > 0) {
+ /* peek failed or some bytes really available */
+ /* (if not piping from stdin this would fail) */
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_INFO,
+ "Signal pipe: Stop capture");
+ g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG,
+ "Signal pipe: handle: %x result: %u avail: %u", handle, result, avail);
+ return FALSE;
} else {
- str = NULL;
+ /* pipe ok and no bytes available */
+ return TRUE;
}
- return str;
}
+#endif
-/****************************************************************************************************************/
-/* link "dummies" */
-
-
-const char *netsnmp_get_version() { return ""; }
-
-gboolean dfilter_compile(const gchar *text, dfilter_t **dfp) { return NULL; }
-
-void dfilter_free(dfilter_t *df) {}
+/****************************************************************************************************************/
+/* Stub functions */
-/*
- * Find out whether a hostname resolves to an ip or ipv6 address
- * Return "ip6" if it is IPv6, "ip" otherwise (including the case
- * that we don't know)
- */
-const char* host_ip_af(const char *host
-#ifndef HAVE_GETHOSTBYNAME2
-_U_
-#endif
-)
-{
-#ifdef HAVE_GETHOSTBYNAME2
- struct hostent *h;
- return (h = gethostbyname2(host, AF_INET6)) && h->h_addrtype == AF_INET6 ? "ip6" : "ip";
-#else
- return "ip";
-#endif
-}
+const char *netsnmp_get_version(void) { return ""; }