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-rw-r--r--ui/CMakeLists.txt1
-rw-r--r--ui/Makefile.common2
-rw-r--r--ui/capture.c799
-rw-r--r--ui/capture.h108
-rw-r--r--ui/gtk/capture_dlg.c2
-rw-r--r--ui/gtk/capture_if_details_dlg_win32.c2
-rw-r--r--ui/gtk/capture_if_dlg.c2
-rw-r--r--ui/gtk/capture_info_dlg.c2
-rw-r--r--ui/gtk/drag_and_drop.c2
-rw-r--r--ui/gtk/main.c2
-rw-r--r--ui/gtk/main_statusbar.c2
-rw-r--r--ui/gtk/main_welcome.c2
-rw-r--r--ui/gtk/summary_dlg.c2
-rw-r--r--ui/qt/QtShark.pro1
-rw-r--r--ui/qt/interface_tree.h2
-rw-r--r--ui/qt/main.cpp2
-rw-r--r--ui/qt/main_window.cpp2
-rw-r--r--ui/qt/main_window_slots.cpp2
-rw-r--r--ui/qt/summary_dialog.h2
-rw-r--r--ui/qt/wireshark_application.cpp2
20 files changed, 925 insertions, 16 deletions
diff --git a/ui/CMakeLists.txt b/ui/CMakeLists.txt
index 58a7cd8e2e..6d88733f10 100644
--- a/ui/CMakeLists.txt
+++ b/ui/CMakeLists.txt
@@ -22,6 +22,7 @@
set(COMMON_UI_SRC
alert_box.c
+ capture.c
capture_ui_utils.c
decode_as_utils.c
export_object.c
diff --git a/ui/Makefile.common b/ui/Makefile.common
index a8c2e3026e..db016a429e 100644
--- a/ui/Makefile.common
+++ b/ui/Makefile.common
@@ -43,6 +43,7 @@ GENERATOR_FILES = \
WIRESHARK_UI_SRC = \
alert_box.c \
+ capture.c \
capture_ui_utils.c \
decode_as_utils.c \
export_object.c \
@@ -73,6 +74,7 @@ WIRESHARK_UI_SRC = \
noinst_HEADERS = \
alert_box.h \
+ capture.h \
capture_globals.h \
capture_ui_utils.h \
decode_as_utils.h \
diff --git a/ui/capture.c b/ui/capture.c
new file mode 100644
index 0000000000..9665bcb340
--- /dev/null
+++ b/ui/capture.c
@@ -0,0 +1,799 @@
+/* capture.c
+ * Routines for packet capture
+ *
+ * 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
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+
+#ifdef HAVE_LIBPCAP
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <glib.h>
+
+#include <epan/packet.h>
+#include <epan/dfilter/dfilter.h>
+#include "file.h"
+#include "ui/capture.h"
+#include <capchild/capture_ifinfo.h>
+#include <capchild/capture_sync.h>
+#include "capture_info.h"
+#include "ui/capture_ui_utils.h"
+#include "ui/util.h"
+#include "capture-pcap-util.h"
+#include <epan/prefs.h>
+
+#ifdef _WIN32
+#include "capture-wpcap.h"
+#endif
+
+#include "ui/simple_dialog.h"
+#include "ui/ui_util.h"
+
+#include "wsutil/file_util.h"
+#include "log.h"
+
+typedef struct if_stat_cache_item_s {
+ char *name;
+ struct pcap_stat ps;
+} if_stat_cache_item_t;
+
+struct if_stat_cache_s {
+ int stat_fd;
+ int fork_child;
+ GList *cache_list; /* List of if_stat_chache_entry_t */
+};
+
+/* this callback mechanism should possibly be replaced by the g_signal_...() stuff (if I only would know how :-) */
+typedef struct {
+ capture_callback_t cb_fct;
+ gpointer user_data;
+} capture_callback_data_t;
+
+static GList *capture_callbacks = NULL;
+
+static void
+capture_callback_invoke(int event, capture_session *cap_session)
+{
+ capture_callback_data_t *cb;
+ GList *cb_item = capture_callbacks;
+
+ /* there should be at least one interested */
+ g_assert(cb_item != NULL);
+
+ while(cb_item != NULL) {
+ cb = (capture_callback_data_t *)cb_item->data;
+ cb->cb_fct(event, cap_session, cb->user_data);
+ cb_item = g_list_next(cb_item);
+ }
+}
+
+
+void
+capture_callback_add(capture_callback_t func, gpointer user_data)
+{
+ capture_callback_data_t *cb;
+
+ cb = (capture_callback_data_t *)g_malloc(sizeof(capture_callback_data_t));
+ cb->cb_fct = func;
+ cb->user_data = user_data;
+
+ capture_callbacks = g_list_append(capture_callbacks, cb);
+}
+
+void
+capture_callback_remove(capture_callback_t func)
+{
+ capture_callback_data_t *cb;
+ GList *cb_item = capture_callbacks;
+
+ while(cb_item != NULL) {
+ cb = (capture_callback_data_t *)cb_item->data;
+ if(cb->cb_fct == func) {
+ capture_callbacks = g_list_remove(capture_callbacks, cb);
+ g_free(cb);
+ return;
+ }
+ cb_item = g_list_next(cb_item);
+ }
+
+ g_assert_not_reached();
+}
+
+/**
+ * Start a capture.
+ *
+ * @return TRUE if the capture starts successfully, FALSE otherwise.
+ */
+gboolean
+capture_start(capture_options *capture_opts, capture_session *cap_session, void(*update_cb)(void))
+{
+ gboolean ret;
+ guint i;
+ GString *source = g_string_new("");
+
+ cap_session->state = CAPTURE_PREPARING;
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Start ...");
+#ifdef _WIN32
+ if (capture_opts->ifaces->len < 2) {
+#else
+ if (capture_opts->ifaces->len < 4) {
+#endif
+ for (i = 0; i < capture_opts->ifaces->len; i++) {
+ interface_options interface_opts;
+
+ interface_opts = g_array_index(capture_opts->ifaces, interface_options, i);
+ if (i > 0) {
+ if (capture_opts->ifaces->len > 2) {
+ g_string_append_printf(source, ",");
+ }
+ g_string_append_printf(source, " ");
+ if (i == capture_opts->ifaces->len - 1) {
+ g_string_append_printf(source, "and ");
+ }
+ }
+ g_string_append_printf(source, "%s", get_iface_description_for_interface(capture_opts, i));
+ if ((interface_opts.cfilter != NULL) &&
+ (strlen(interface_opts.cfilter) > 0)) {
+ g_string_append_printf(source, " (%s)", interface_opts.cfilter);
+ }
+ }
+ } else {
+ g_string_append_printf(source, "%u interfaces", capture_opts->ifaces->len);
+ }
+ cf_set_tempfile_source((capture_file *)cap_session->cf, source->str);
+ g_string_free(source, TRUE);
+ /* try to start the capture child process */
+ ret = sync_pipe_start(capture_opts, cap_session, update_cb);
+ if(!ret) {
+ if(capture_opts->save_file != NULL) {
+ g_free(capture_opts->save_file);
+ capture_opts->save_file = NULL;
+ }
+
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Start failed!");
+ cap_session->state = CAPTURE_STOPPED;
+ } else {
+ /* the capture child might not respond shortly after bringing it up */
+ /* (for example: it will block if no input arrives from an input capture pipe (e.g. mkfifo)) */
+
+ /* to prevent problems, bring the main GUI into "capture mode" right after a successful */
+ /* spawn/exec of the capture child, without waiting for any response from it */
+ capture_callback_invoke(capture_cb_capture_prepared, cap_session);
+
+ if(capture_opts->show_info)
+ capture_info_open(cap_session);
+ }
+
+ return ret;
+}
+
+
+void
+capture_stop(capture_session *cap_session)
+{
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Stop ...");
+
+ capture_callback_invoke(capture_cb_capture_stopping, cap_session);
+
+ /* stop the capture child gracefully */
+ sync_pipe_stop(cap_session);
+}
+
+
+void
+capture_restart(capture_session *cap_session)
+{
+ capture_options *capture_opts = cap_session->capture_opts;
+
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Restart");
+
+ capture_opts->restart = TRUE;
+ capture_stop(cap_session);
+}
+
+
+void
+capture_kill_child(capture_session *cap_session)
+{
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_INFO, "Capture Kill");
+
+ /* kill the capture child */
+ sync_pipe_kill(cap_session->fork_child);
+}
+
+/* We've succeeded in doing a (non real-time) capture; try to read it into a new capture file */
+static gboolean
+capture_input_read_all(capture_session *cap_session, gboolean is_tempfile,
+ gboolean drops_known, guint32 drops)
+{
+ capture_options *capture_opts = cap_session->capture_opts;
+ int err;
+
+ /* Capture succeeded; attempt to open the capture file. */
+ if (cf_open((capture_file *)cap_session->cf, capture_opts->save_file, WTAP_TYPE_AUTO, is_tempfile, &err) != CF_OK) {
+ /* We're not doing a capture any more, so we don't have a save file. */
+ return FALSE;
+ }
+
+ /* Set the read filter to NULL. */
+ /* XXX - this is odd here; try to put it somewhere where it fits better */
+ cf_set_rfcode((capture_file *)cap_session->cf, NULL);
+
+ /* Get the packet-drop statistics.
+
+ XXX - there are currently no packet-drop statistics stored
+ in libpcap captures, and that's what we're reading.
+
+ At some point, we will add support in Wiretap to return
+ packet-drop statistics for capture file formats that store it,
+ and will make "cf_read()" get those statistics from Wiretap.
+ We clear the statistics (marking them as "not known") in
+ "cf_open()", and "cf_read()" will only fetch them and mark
+ them as known if Wiretap supplies them, so if we get the
+ statistics now, after calling "cf_open()" but before calling
+ "cf_read()", the values we store will be used by "cf_read()".
+
+ If a future libpcap capture file format stores the statistics,
+ we'll put them into the capture file that we write, and will
+ thus not have to set them here - "cf_read()" will get them from
+ the file and use them. */
+ if (drops_known) {
+ cf_set_drops_known((capture_file *)cap_session->cf, TRUE);
+
+ /* XXX - on some systems, libpcap doesn't bother filling in
+ "ps_ifdrop" - it doesn't even set it to zero - so we don't
+ bother looking at it.
+
+ Ideally, libpcap would have an interface that gave us
+ several statistics - perhaps including various interface
+ error statistics - and would tell us which of them it
+ supplies, allowing us to display only the ones it does. */
+ cf_set_drops((capture_file *)cap_session->cf, drops);
+ }
+
+ /* read in the packet data */
+ switch (cf_read((capture_file *)cap_session->cf, FALSE)) {
+
+ case CF_READ_OK:
+ case CF_READ_ERROR:
+ /* Just because we got an error, that doesn't mean we were unable
+ to read any of the file; we handle what we could get from the
+ file. */
+ break;
+
+ case CF_READ_ABORTED:
+ /* User wants to quit program. Exit by leaving the main loop,
+ so that any quit functions we registered get called. */
+ main_window_nested_quit();
+ return FALSE;
+ }
+
+ /* if we didn't capture even a single packet, close the file again */
+ if(cf_get_packet_count((capture_file *)cap_session->cf) == 0 && !capture_opts->restart) {
+ simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
+"%sNo packets captured!%s\n"
+"\n"
+"As no data was captured, closing the %scapture file!\n"
+"\n"
+"\n"
+"Help about capturing can be found at:\n"
+"\n"
+" http://wiki.wireshark.org/CaptureSetup"
+#ifdef _WIN32
+"\n\n"
+"Wireless (Wi-Fi/WLAN):\n"
+"Try to switch off promiscuous mode in the Capture Options!"
+#endif
+"",
+ simple_dialog_primary_start(), simple_dialog_primary_end(),
+ (cf_is_tempfile((capture_file *)cap_session->cf)) ? "temporary " : "");
+ cf_close((capture_file *)cap_session->cf);
+ }
+ return TRUE;
+}
+
+
+/* capture child tells us we have a new (or the first) capture file */
+gboolean
+capture_input_new_file(capture_session *cap_session, gchar *new_file)
+{
+ capture_options *capture_opts = cap_session->capture_opts;
+ gboolean is_tempfile;
+ int err;
+
+ if(cap_session->state == CAPTURE_PREPARING) {
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture started!");
+ }
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "File: \"%s\"", new_file);
+
+ g_assert(cap_session->state == CAPTURE_PREPARING || cap_session->state == CAPTURE_RUNNING);
+
+ /* free the old filename */
+ if(capture_opts->save_file != NULL) {
+ /* we start a new capture file, close the old one (if we had one before). */
+ /* (we can only have an open capture file in real_time_mode!) */
+ if( ((capture_file *) cap_session->cf)->state != FILE_CLOSED) {
+ if(capture_opts->real_time_mode) {
+ capture_callback_invoke(capture_cb_capture_update_finished, cap_session);
+ cf_finish_tail((capture_file *)cap_session->cf, &err);
+ cf_close((capture_file *)cap_session->cf);
+ } else {
+ capture_callback_invoke(capture_cb_capture_fixed_finished, cap_session);
+ }
+ }
+ g_free(capture_opts->save_file);
+ is_tempfile = FALSE;
+ cf_set_tempfile((capture_file *)cap_session->cf, FALSE);
+ } else {
+ /* we didn't have a save_file before; must be a tempfile */
+ is_tempfile = TRUE;
+ cf_set_tempfile((capture_file *)cap_session->cf, TRUE);
+ }
+
+ /* save the new filename */
+ capture_opts->save_file = g_strdup(new_file);
+
+ /* if we are in real-time mode, open the new file now */
+ if(capture_opts->real_time_mode) {
+ /* Attempt to open the capture file and set up to read from it. */
+ switch(cf_open((capture_file *)cap_session->cf, capture_opts->save_file, WTAP_TYPE_AUTO, is_tempfile, &err)) {
+ case CF_OK:
+ break;
+ case CF_ERROR:
+ /* Don't unlink (delete) the save file - leave it around,
+ for debugging purposes. */
+ g_free(capture_opts->save_file);
+ capture_opts->save_file = NULL;
+ return FALSE;
+ }
+ } else {
+ capture_callback_invoke(capture_cb_capture_prepared, cap_session);
+ }
+
+ if(capture_opts->show_info) {
+ if (!capture_info_new_file(new_file))
+ return FALSE;
+ }
+
+ if(capture_opts->real_time_mode) {
+ capture_callback_invoke(capture_cb_capture_update_started, cap_session);
+ } else {
+ capture_callback_invoke(capture_cb_capture_fixed_started, cap_session);
+ }
+ cap_session->state = CAPTURE_RUNNING;
+
+ return TRUE;
+}
+
+
+/* capture child tells us we have new packets to read */
+void
+capture_input_new_packets(capture_session *cap_session, int to_read)
+{
+ capture_options *capture_opts = cap_session->capture_opts;
+ int err;
+
+ g_assert(capture_opts->save_file);
+
+ if(capture_opts->real_time_mode) {
+ /* Read from the capture file the number of records the child told us it added. */
+ switch (cf_continue_tail((capture_file *)cap_session->cf, to_read, &err)) {
+
+ case CF_READ_OK:
+ case CF_READ_ERROR:
+ /* Just because we got an error, that doesn't mean we were unable
+ to read any of the file; we handle what we could get from the
+ file.
+
+ XXX - abort on a read error? */
+ capture_callback_invoke(capture_cb_capture_update_continue, cap_session);
+ break;
+
+ case CF_READ_ABORTED:
+ /* Kill the child capture process; the user wants to exit, and we
+ shouldn't just leave it running. */
+ capture_kill_child(cap_session);
+ break;
+ }
+ } else {
+ /* increase the capture file packet counter by the number of incoming packets */
+ cf_set_packet_count((capture_file *)cap_session->cf,
+ cf_get_packet_count((capture_file *)cap_session->cf) + to_read);
+ cf_fake_continue_tail((capture_file *)cap_session->cf);
+
+ capture_callback_invoke(capture_cb_capture_fixed_continue, cap_session);
+ }
+
+ /* update the main window so we get events (e.g. from the stop toolbar button) */
+ /* This causes a hang on Windows (see bug 7305). Do we need this on any platform? */
+#ifndef _WIN32
+ main_window_update();
+#endif
+
+ if(capture_opts->show_info)
+ capture_info_new_packets(to_read);
+}
+
+
+/* Capture child told us how many dropped packets it counted.
+ */
+void
+capture_input_drops(capture_session *cap_session, guint32 dropped)
+{
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_INFO, "%u packet%s dropped", dropped, plurality(dropped, "", "s"));
+
+ g_assert(cap_session->state == CAPTURE_RUNNING);
+
+ cf_set_drops_known((capture_file *)cap_session->cf, TRUE);
+ cf_set_drops((capture_file *)cap_session->cf, dropped);
+}
+
+
+/* Capture child told us that an error has occurred while starting/running
+ the capture.
+ The buffer we're handed has *two* null-terminated strings in it - a
+ primary message and a secondary message, one right after the other.
+ The secondary message might be a null string.
+ */
+void
+capture_input_error_message(capture_session *cap_session, char *error_msg,
+ char *secondary_error_msg)
+{
+ gchar *safe_error_msg;
+ gchar *safe_secondary_error_msg;
+
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Error message from child: \"%s\", \"%s\"",
+ error_msg, secondary_error_msg);
+
+ g_assert(cap_session->state == CAPTURE_PREPARING || cap_session->state == CAPTURE_RUNNING);
+
+ safe_error_msg = simple_dialog_format_message(error_msg);
+ if (*secondary_error_msg != '\0') {
+ /* We have both primary and secondary messages. */
+ safe_secondary_error_msg = simple_dialog_format_message(secondary_error_msg);
+ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s%s%s\n\n%s",
+ simple_dialog_primary_start(), safe_error_msg,
+ simple_dialog_primary_end(), safe_secondary_error_msg);
+ g_free(safe_secondary_error_msg);
+ } else {
+ /* We have only a primary message. */
+ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s%s%s",
+ simple_dialog_primary_start(), safe_error_msg,
+ simple_dialog_primary_end());
+ }
+ g_free(safe_error_msg);
+
+ /* the capture child will close the sync_pipe if required, nothing to do for now */
+}
+
+/* Capture child told us that an error has occurred while parsing a
+ capture filter when starting/running the capture.
+ */
+void
+capture_input_cfilter_error_message(capture_session *cap_session, guint i,
+ char *error_message)
+{
+ capture_options *capture_opts = cap_session->capture_opts;
+ dfilter_t *rfcode = NULL;
+ gchar *safe_cfilter;
+ gchar *safe_descr;
+ gchar *safe_cfilter_error_msg;
+ interface_options interface_opts;
+
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture filter error message from child: \"%s\"", error_message);
+
+ g_assert(cap_session->state == CAPTURE_PREPARING || cap_session->state == CAPTURE_RUNNING);
+ g_assert(i < capture_opts->ifaces->len);
+
+ interface_opts = g_array_index(capture_opts->ifaces, interface_options, i);
+ safe_cfilter = simple_dialog_format_message(interface_opts.cfilter);
+ safe_descr = simple_dialog_format_message(interface_opts.descr);
+ safe_cfilter_error_msg = simple_dialog_format_message(error_message);
+ /* Did the user try a display filter? */
+ if (dfilter_compile(interface_opts.cfilter, &rfcode) && rfcode != NULL) {
+ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
+ "%sInvalid capture filter \"%s\" for interface %s!%s\n"
+ "\n"
+ "That string looks like a valid display filter; however, it isn't a valid\n"
+ "capture filter (%s).\n"
+ "\n"
+ "Note that display filters and capture filters don't have the same syntax,\n"
+ "so you can't use most display filter expressions as capture filters.\n"
+ "\n"
+ "See the User's Guide for a description of the capture filter syntax.",
+ simple_dialog_primary_start(), safe_cfilter, safe_descr,
+ simple_dialog_primary_end(), safe_cfilter_error_msg);
+ dfilter_free(rfcode);
+ } else {
+ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
+ "%sInvalid capture filter \"%s\" for interface %s!%s\n"
+ "\n"
+ "That string isn't a valid capture filter (%s).\n"
+ "See the User's Guide for a description of the capture filter syntax.",
+ simple_dialog_primary_start(), safe_cfilter, safe_descr,
+ simple_dialog_primary_end(), safe_cfilter_error_msg);
+ }
+ g_free(safe_cfilter_error_msg);
+ g_free(safe_descr);
+ g_free(safe_cfilter);
+
+ /* the capture child will close the sync_pipe if required, nothing to do for now */
+}
+
+/* capture child closed its side of the pipe, do the required cleanup */
+void
+capture_input_closed(capture_session *cap_session, gchar *msg)
+{
+ capture_options *capture_opts = cap_session->capture_opts;
+ int err;
+ int packet_count_save;
+
+ g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture stopped!");
+ g_assert(cap_session->state == CAPTURE_PREPARING || cap_session->state == CAPTURE_RUNNING);
+
+ if (msg != NULL)
+ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", msg);
+
+ if(cap_session->state == CAPTURE_PREPARING) {
+ /* We didn't start a capture; note that the attempt to start it
+ failed. */
+ capture_callback_invoke(capture_cb_capture_failed, cap_session);
+ } else {
+ /* We started a capture; process what's left of the capture file if
+ we were in "update list of packets in real time" mode, or process
+ all of it if we weren't. */
+ if(capture_opts->real_time_mode) {
+ cf_read_status_t status;
+
+ /* Read what remains of the capture file. */
+ status = cf_finish_tail((capture_file *)cap_session->cf, &err);
+
+ /* XXX: If -Q (quit-after-cap) then cf->count clr'd below so save it first */
+ packet_count_save = cf_get_packet_count((capture_file *)cap_session->cf);
+ /* Tell the GUI we are not doing a capture any more.
+ Must be done after the cf_finish_tail(), so file lengths are
+ correctly displayed */
+ capture_callback_invoke(capture_cb_capture_update_finished, cap_session);
+
+ /* Finish the capture. */
+ switch (status) {
+
+ case CF_READ_OK:
+ if ((packet_count_save == 0) && !capture_opts->restart) {
+ simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
+ "%sNo packets captured!%s\n"
+ "\n"
+ "As no data was captured, closing the %scapture file!\n"
+ "\n"
+ "\n"
+ "Help about capturing can be found at:\n"
+ "\n"
+ " http://wiki.wireshark.org/CaptureSetup"
+#ifdef _WIN32
+ "\n\n"
+ "Wireless (Wi-Fi/WLAN):\n"
+ "Try to switch off promiscuous mode in the Capture Options!"
+#endif
+ "",
+ simple_dialog_primary_start(), simple_dialog_primary_end(),
+ cf_is_tempfile((capture_file *)cap_session->cf) ? "temporary " : "");
+ cf_close((capture_file *)cap_session->cf);
+ }
+ break;
+ case CF_READ_ERROR:
+ /* Just because we got an error, that doesn't mean we were unable
+ to read any of the file; we handle what we could get from the
+ file. */
+ break;
+
+ case CF_READ_ABORTED:
+ /* Exit by leaving the main loop, so that any quit functions
+ we registered get called. */
+ main_window_quit();
+ break;
+ }
+ } else {
+ /* first of all, we are not doing a capture any more */
+ capture_callback_invoke(capture_cb_capture_fixed_finished, cap_session);
+
+ /* this is a normal mode capture and if no error happened, read in the capture file data */
+ if(capture_opts->save_file != NULL) {
+ capture_input_read_all(cap_session, cf_is_tempfile((capture_file *)cap_session->cf),
+ cf_get_drops_known((capture_file *)cap_session->cf), cf_get_drops((capture_file *)cap_session->cf));
+ }
+ }
+ }
+
+ if(capture_opts->show_info)
+ capture_info_close();
+
+ cap_session->state = CAPTURE_STOPPED;
+
+ /* if we couldn't open a capture file, there's nothing more for us to do */
+ if(capture_opts->save_file == NULL) {
+ cf_close((capture_file *)cap_session->cf);
+ return;
+ }
+
+ /* does the user wants to restart the current capture? */
+ if(capture_opts->restart) {
+ capture_opts->restart = FALSE;
+
+ ws_unlink(capture_opts->save_file);
+
+ /* If we have a ring buffer, the original save file has been overwritten
+ with the "ring filename". Restore it before starting again */
+ if ((capture_opts->multi_files_on) && (capture_opts->orig_save_file != NULL)) {
+ g_free(capture_opts->save_file);
+ capture_opts->save_file = g_strdup(capture_opts->orig_save_file);
+ }
+
+ /* if it was a tempfile, throw away the old filename (so it will become a tempfile again) */
+ if(cf_is_tempfile((capture_file *)cap_session->cf)) {
+ g_free(capture_opts->save_file);
+ capture_opts->save_file = NULL;
+ }
+
+ /* ... and start the capture again */
+ if (capture_opts->ifaces->len == 0) {
+ collect_ifaces(capture_opts);
+ }
+
+ /* close the currently loaded capture file */
+ cf_close((capture_file *)cap_session->cf);
+
+ capture_start(capture_opts, cap_session,NULL); /*XXX is this NULL ok or we need an update_cb???*/
+ } else {
+ /* We're not doing a capture any more, so we don't have a save file. */
+ g_free(capture_opts->save_file);
+ capture_opts->save_file = NULL;
+ }
+}
+
+if_stat_cache_t *
+capture_stat_start(capture_options *capture_opts) {
+ int stat_fd, fork_child;
+ gchar *msg;
+ if_stat_cache_t *sc = NULL;
+ if_stat_cache_item_t *sc_item;
+ guint i;
+ interface_t device;
+
+ /* Fire up dumpcap. */
+ /*
+ * XXX - on systems with BPF, the number of BPF devices limits the
+ * number of devices on which you can capture simultaneously.
+ *
+ * This means that
+ *
+ * 1) this might fail if you run out of BPF devices
+ *
+ * and
+ *
+ * 2) opening every interface could leave too few BPF devices
+ * for *other* programs.
+ *
+ * It also means the system could end up getting a lot of traffic
+ * that it has to pass through the networking stack and capture
+ * mechanism, so opening all the devices and presenting packet
+ * counts might not always be a good idea.
+ */
+ if (sync_interface_stats_open(&stat_fd, &fork_child, &msg, NULL) == 0) {
+ sc = (if_stat_cache_t *)g_malloc(sizeof(if_stat_cache_t));
+ sc->stat_fd = stat_fd;
+ sc->fork_child = fork_child;
+ sc->cache_list = NULL;
+
+ /* Initialize the cache */
+ for (i = 0; i < capture_opts->all_ifaces->len; i++) {
+ device = g_array_index(capture_opts->all_ifaces, interface_t, i);
+ if (device.type != IF_PIPE) {
+ sc_item = (if_stat_cache_item_t *)g_malloc0(sizeof(if_stat_cache_item_t));
+ sc_item->name = g_strdup(device.if_info.name);
+ sc->cache_list = g_list_append(sc->cache_list, sc_item);
+ }
+ }
+ }
+ return sc;
+}
+
+#define MAX_STAT_LINE_LEN 500
+
+static void
+capture_stat_cache_update(if_stat_cache_t *sc) {
+ gchar stat_line[MAX_STAT_LINE_LEN] = "";
+ gchar **stat_parts;
+ GList *sc_entry;
+ if_stat_cache_item_t *sc_item;
+
+ if (!sc)
+ return;
+
+ while (sync_pipe_gets_nonblock(sc->stat_fd, stat_line, MAX_STAT_LINE_LEN) > 0) {
+ g_strstrip(stat_line);
+ stat_parts = g_strsplit(stat_line, "\t", 3);
+ if (stat_parts[0] == NULL || stat_parts[1] == NULL ||
+ stat_parts[2] == NULL) {
+ g_strfreev(stat_parts);
+ continue;
+ }
+ for (sc_entry = sc->cache_list; sc_entry != NULL; sc_entry = g_list_next(sc_entry)) {
+ sc_item = (if_stat_cache_item_t *)sc_entry->data;
+ if (strcmp(sc_item->name, stat_parts[0]) == 0) {
+ sc_item->ps.ps_recv = (u_int) strtoul(stat_parts[1], NULL, 10);
+ sc_item->ps.ps_drop = (u_int) strtoul(stat_parts[2], NULL, 10);
+ }
+ }
+ g_strfreev(stat_parts);
+ }
+}
+
+gboolean
+capture_stats(if_stat_cache_t *sc, char *ifname, struct pcap_stat *ps) {
+ GList *sc_entry;
+ if_stat_cache_item_t *sc_item;
+
+ if (!sc || !ifname || !ps) {
+ return FALSE;
+ }
+
+ capture_stat_cache_update(sc);
+ for (sc_entry = sc->cache_list; sc_entry != NULL; sc_entry = g_list_next(sc_entry)) {
+ sc_item = (if_stat_cache_item_t *)sc_entry->data;
+ if (strcmp(sc_item->name, ifname) == 0) {
+ memcpy(ps, &sc_item->ps, sizeof(struct pcap_stat));
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+void
+capture_stat_stop(if_stat_cache_t *sc) {
+ GList *sc_entry;
+ if_stat_cache_item_t *sc_item;
+ int ret;
+ gchar *msg;
+
+ if (!sc)
+ return;
+
+ ret = sync_interface_stats_close(&sc->stat_fd, &sc->fork_child, &msg);
+ if (ret == -1) {
+ /* XXX - report failure? */
+ g_free(msg);
+ }
+
+ for (sc_entry = sc->cache_list; sc_entry != NULL; sc_entry = g_list_next(sc_entry)) {
+ sc_item = (if_stat_cache_item_t *)sc_entry->data;
+ g_free(sc_item->name);
+ g_free(sc_item);
+ }
+ g_free(sc);
+}
+
+#endif /* HAVE_LIBPCAP */
diff --git a/ui/capture.h b/ui/capture.h
new file mode 100644
index 0000000000..6aaa5035be
--- /dev/null
+++ b/ui/capture.h
@@ -0,0 +1,108 @@
+/* capture.h
+ * Definitions for packet capture windows
+ *
+ * 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
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/* This file should only be included if libpcap is present */
+
+#ifndef __CAPTURE_H__
+#define __CAPTURE_H__
+
+/** @file
+ * Capture related things.
+ */
+
+#include "capture_opts.h"
+#include <capchild/capture_session.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+typedef enum {
+ capture_cb_capture_prepared,
+ capture_cb_capture_update_started,
+ capture_cb_capture_update_continue,
+ capture_cb_capture_update_finished,
+ capture_cb_capture_fixed_started,
+ capture_cb_capture_fixed_continue,
+ capture_cb_capture_fixed_finished,
+ capture_cb_capture_stopping,
+ capture_cb_capture_failed
+} capture_cbs;
+
+typedef void (*capture_callback_t) (gint event, capture_session *cap_session,
+ gpointer user_data);
+
+extern void
+capture_callback_add(capture_callback_t func, gpointer user_data);
+
+extern void
+capture_callback_remove(capture_callback_t func);
+
+/**
+ * Start a capture session.
+ *
+ * @param capture_opts the numerous capture options
+ * @param cap_session a handle for the capture session
+ * @param update_cb update screen
+ * @return TRUE if the capture starts successfully, FALSE otherwise.
+ */
+extern gboolean
+capture_start(capture_options *capture_opts, capture_session *cap_session, void(*update_cb)(void));
+
+/** Stop a capture session (usually from a menu item). */
+extern void
+capture_stop(capture_session *cap_session);
+
+/** Restart the current captured packets and start again. */
+extern void
+capture_restart(capture_session *cap_session);
+
+/** Terminate the capture child cleanly when exiting. */
+extern void
+capture_kill_child(capture_session *cap_session);
+
+struct if_stat_cache_s;
+typedef struct if_stat_cache_s if_stat_cache_t;
+
+/**
+ * Start gathering capture statistics for the interfaces specified.
+ * @param capture_opts A structure containing options for the capture.
+ * @return A pointer to the statistics state data.
+ */
+extern if_stat_cache_t * capture_stat_start(capture_options *capture_opts);
+
+/**
+ * Fetch capture statistics, similar to pcap_stats().
+ */
+struct pcap_stat; /* Stub in case we don't or haven't yet included pcap.h */
+extern gboolean capture_stats(if_stat_cache_t *sc, char *ifname, struct pcap_stat *ps);
+
+/**
+ * Stop gathering capture statistics.
+ */
+void capture_stat_stop(if_stat_cache_t *sc);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* capture.h */
diff --git a/ui/gtk/capture_dlg.c b/ui/gtk/capture_dlg.c
index e2a65ff602..e43d168f68 100644
--- a/ui/gtk/capture_dlg.c
+++ b/ui/gtk/capture_dlg.c
@@ -36,7 +36,7 @@
#include <epan/prefs.h>
#include <wsutil/filesystem.h>
-#include "../capture.h"
+#include "ui/capture.h"
#include <capchild/capture_ifinfo.h>
#include "../capture-pcap-util.h"
#include "../ringbuffer.h"
diff --git a/ui/gtk/capture_if_details_dlg_win32.c b/ui/gtk/capture_if_details_dlg_win32.c
index 788d0e4c41..8c8da75bcd 100644
--- a/ui/gtk/capture_if_details_dlg_win32.c
+++ b/ui/gtk/capture_if_details_dlg_win32.c
@@ -36,7 +36,7 @@
#include <wsutil/str_util.h>
#include "../file.h"
-#include "../capture.h"
+#include "ui/capture.h"
#include "ui/simple_dialog.h"
diff --git a/ui/gtk/capture_if_dlg.c b/ui/gtk/capture_if_dlg.c
index 3a6dc27d58..f9db745edc 100644
--- a/ui/gtk/capture_if_dlg.c
+++ b/ui/gtk/capture_if_dlg.c
@@ -34,7 +34,7 @@
#include "../capture_opts.h"
#include <capchild/capture_session.h>
#include <capchild/capture_ifinfo.h>
-#include "../capture.h"
+#include "ui/capture.h"
#include "../capture-pcap-util.h"
#include "wsutil/file_util.h"
#include <wiretap/wtap.h>
diff --git a/ui/gtk/capture_info_dlg.c b/ui/gtk/capture_info_dlg.c
index d7c946cfcf..497aa7b9f3 100644
--- a/ui/gtk/capture_info_dlg.c
+++ b/ui/gtk/capture_info_dlg.c
@@ -30,7 +30,7 @@
#include <epan/packet.h>
-#include "../capture.h"
+#include "ui/capture.h"
#include "../capture_info.h"
#include "../capture-pcap-util.h"
diff --git a/ui/gtk/drag_and_drop.c b/ui/gtk/drag_and_drop.c
index 0cb1514cef..5bc1e82191 100644
--- a/ui/gtk/drag_and_drop.c
+++ b/ui/gtk/drag_and_drop.c
@@ -32,7 +32,7 @@
#include "ui/util.h"
#include "../file.h"
#ifdef HAVE_LIBPCAP
-#include "../capture.h"
+#include "ui/capture.h"
#endif
#ifdef HAVE_LIBPCAP
diff --git a/ui/gtk/main.c b/ui/gtk/main.c
index c7a4a615db..eea7a13b26 100644
--- a/ui/gtk/main.c
+++ b/ui/gtk/main.c
@@ -133,7 +133,7 @@
#ifdef HAVE_LIBPCAP
#include "capture-pcap-util.h"
#include <capchild/capture_ifinfo.h>
-#include "capture.h"
+#include "ui/capture.h"
#include <capchild/capture_sync.h>
#endif
diff --git a/ui/gtk/main_statusbar.c b/ui/gtk/main_statusbar.c
index 9afaac5199..c264a8a1ce 100644
--- a/ui/gtk/main_statusbar.c
+++ b/ui/gtk/main_statusbar.c
@@ -39,7 +39,7 @@
#ifdef HAVE_LIBPCAP
#include "../capture_opts.h"
#include <capchild/capture_session.h>
-#include "../capture.h"
+#include "ui/capture.h"
#endif
#include <wsutil/str_util.h>
diff --git a/ui/gtk/main_welcome.c b/ui/gtk/main_welcome.c
index 24159f6d99..f87fdb5f44 100644
--- a/ui/gtk/main_welcome.c
+++ b/ui/gtk/main_welcome.c
@@ -29,7 +29,7 @@
#include "../color.h"
#ifdef HAVE_LIBPCAP
-#include "capture.h"
+#include "ui/capture.h"
#include "capture-pcap-util.h"
#include "capture_opts.h"
#endif
diff --git a/ui/gtk/summary_dlg.c b/ui/gtk/summary_dlg.c
index ef53201528..96094f881e 100644
--- a/ui/gtk/summary_dlg.c
+++ b/ui/gtk/summary_dlg.c
@@ -39,7 +39,7 @@
#include "../capture-pcap-util.h"
#ifdef HAVE_LIBPCAP
-#include "../capture.h"
+#include "ui/capture.h"
#include "ui/capture_globals.h"
#endif
#include "ui/main_statusbar.h"
diff --git a/ui/qt/QtShark.pro b/ui/qt/QtShark.pro
index 5278589966..e852a08a91 100644
--- a/ui/qt/QtShark.pro
+++ b/ui/qt/QtShark.pro
@@ -188,7 +188,6 @@ win32:INCLUDEPATH += \
SOURCES_WS_C = \
../../airpcap_loader.c \
../../capture-pcap-util.c \
- ../../capture.c \
../../capture_info.c \
../../capture_opts.c \
../../cfile.c \
diff --git a/ui/qt/interface_tree.h b/ui/qt/interface_tree.h
index e9331d9c4e..d5b15f6a89 100644
--- a/ui/qt/interface_tree.h
+++ b/ui/qt/interface_tree.h
@@ -27,7 +27,7 @@
#include <glib.h>
#ifdef HAVE_LIBPCAP
-#include "capture.h"
+#include "ui/capture.h"
#include "capture-pcap-util.h"
#include "capture_opts.h"
#include "ui/capture_ui_utils.h"
diff --git a/ui/qt/main.cpp b/ui/qt/main.cpp
index 8efba08cb7..c84ba93225 100644
--- a/ui/qt/main.cpp
+++ b/ui/qt/main.cpp
@@ -108,7 +108,7 @@
#ifdef HAVE_LIBPCAP
# include "capture-pcap-util.h"
# include <capchild/capture_ifinfo.h>
-# include "capture.h"
+# include "ui/capture.h"
# include <capchild/capture_sync.h>
#endif
diff --git a/ui/qt/main_window.cpp b/ui/qt/main_window.cpp
index 68f45fdfea..08adb54322 100644
--- a/ui/qt/main_window.cpp
+++ b/ui/qt/main_window.cpp
@@ -31,7 +31,7 @@
//#include <wiretap/wtap.h>
#ifdef HAVE_LIBPCAP
-#include "capture.h"
+#include "ui/capture.h"
#include "capture-pcap-util.h"
#include <capchild/capture_session.h>
#endif
diff --git a/ui/qt/main_window_slots.cpp b/ui/qt/main_window_slots.cpp
index 567287cca4..daf4fb54dd 100644
--- a/ui/qt/main_window_slots.cpp
+++ b/ui/qt/main_window_slots.cpp
@@ -43,7 +43,7 @@
#endif
#ifdef HAVE_LIBPCAP
-#include "capture.h"
+#include "ui/capture.h"
#include "capture-pcap-util.h"
#endif
diff --git a/ui/qt/summary_dialog.h b/ui/qt/summary_dialog.h
index eb9bf689c2..48c6e59217 100644
--- a/ui/qt/summary_dialog.h
+++ b/ui/qt/summary_dialog.h
@@ -39,7 +39,7 @@
#include "summary.h"
#ifdef HAVE_LIBPCAP
- #include "capture.h"
+ #include "ui/capture.h"
#include "ui/capture_globals.h"
#include "capture-pcap-util.h"
#endif
diff --git a/ui/qt/wireshark_application.cpp b/ui/qt/wireshark_application.cpp
index d953ede9c3..8d8c493f26 100644
--- a/ui/qt/wireshark_application.cpp
+++ b/ui/qt/wireshark_application.cpp
@@ -35,7 +35,7 @@
#include "qt_ui_utils.h"
-#include "capture.h"
+#include "ui/capture.h"
#include "color_filters.h"
#include "filters.h"
#include "log.h"
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 12:53:49 +0000