/* capture_dlg.c
* Routines for packet capture windows
*
- * $Id: capture_dlg.c,v 1.16 2000/01/06 05:09:01 guy Exp $
+ * $Id: capture_dlg.c,v 1.33 2000/09/15 05:32:48 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
#include <time.h>
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-
-#ifdef HAVE_SYS_IOCTL_H
-#include <sys/ioctl.h>
-#endif
-
-#ifdef HAVE_NET_IF_H
-#include <net/if.h>
-#endif
-
-#include <signal.h>
-#include <errno.h>
-
#ifdef NEED_SNPRINTF_H
-# ifdef HAVE_STDARG_H
-# include <stdarg.h>
-# else
-# include <varargs.h>
-# endif
# include "snprintf.h"
#endif
-#ifdef HAVE_SYS_SOCKIO_H
-# include <sys/sockio.h>
-#endif
-
-#include <wiretap/wtap.h>
#include "capture.h"
#include "globals.h"
#include "main.h"
+#include "ui_util.h"
#include "capture_dlg.h"
-#include "prefs_dlg.h"
+#include "filter_prefs.h"
#include "simple_dialog.h"
+#include "dlg_utils.h"
+#include "util.h"
/* Capture callback data keys */
-#define E_CAP_IFACE_KEY "cap_iface"
-#define E_CAP_FILT_KEY "cap_filter_te"
-#define E_CAP_FILE_TE_KEY "cap_file_te"
-#define E_CAP_COUNT_KEY "cap_count"
-#define E_CAP_SNAP_KEY "cap_snap"
-#define E_CAP_SYNC_KEY "cap_sync"
-#define E_CAP_RESOLVE_KEY "cap_resolve"
-
-static GList*
-get_interface_list();
+#define E_CAP_IFACE_KEY "cap_iface"
+#define E_CAP_FILT_KEY "cap_filter_te"
+#define E_CAP_FILE_TE_KEY "cap_file_te"
+#define E_CAP_COUNT_KEY "cap_count"
+#define E_CAP_SNAP_KEY "cap_snap"
+#define E_CAP_PROMISC_KEY "cap_promisc"
+#define E_CAP_SYNC_KEY "cap_sync"
+#define E_CAP_AUTO_SCROLL_KEY "cap_auto_scroll"
+#define E_CAP_RESOLVE_KEY "cap_resolve"
+
+#define E_FS_CALLER_PTR_KEY "fs_caller_ptr"
+#define E_FILE_SEL_DIALOG_PTR_KEY "file_sel_dialog_ptr"
static void
capture_prep_file_cb(GtkWidget *w, gpointer te);
static void
cap_prep_fs_cancel_cb(GtkWidget *w, gpointer data);
+static void
+cap_prep_fs_destroy_cb(GtkWidget *win, gpointer data);
+
static void
capture_prep_ok_cb(GtkWidget *ok_bt, gpointer parent_w);
capture_prep_close_cb(GtkWidget *close_bt, gpointer parent_w);
static void
-search_for_if_cb(gpointer data, gpointer user_data);
+capture_prep_destroy_cb(GtkWidget *win, gpointer user_data);
-static void
-free_if_cb(gpointer data, gpointer user_data);
+/*
+ * Keep a static pointer to the current "Capture Preferences" window, if
+ * any, so that if somebody tries to do "Capture:Start" while there's
+ * already a "Capture Preferences" window up, we just pop up the existing
+ * one, rather than creating a new one.
+ */
+static GtkWidget *cap_open_w;
void
capture_prep_cb(GtkWidget *w, gpointer d)
{
- GtkWidget *cap_open_w, *if_cb, *if_lb,
- *count_lb, *count_cb, *main_vb, *if_hb, *count_hb,
- *filter_hb, *filter_bt, *filter_te,
- *file_hb, *file_bt, *file_te,
- *caplen_hb,
+ GtkWidget *if_cb, *if_lb,
+ *count_lb, *count_cb, *main_vb,
+ *filter_bt, *filter_te,
+ *file_bt, *file_te,
+ *caplen_hb, *table,
*bbox, *ok_bt, *cancel_bt, *snap_lb,
- *snap_sb, *sync_cb, *resolv_cb;
+ *snap_sb, *promisc_cb, *sync_cb, *auto_scroll_cb, *resolv_cb;
+ GtkAccelGroup *accel_group;
GtkAdjustment *adj;
GList *if_list, *count_list = NULL;
gchar *count_item1 = "0 (Infinite)", count_item2[16];
+ int err;
+ char err_str[PCAP_ERRBUF_SIZE];
- if_list = get_interface_list();
+ if (cap_open_w != NULL) {
+ /* There's already a "Capture Preferences" dialog box; reactivate it. */
+ reactivate_window(cap_open_w);
+ return;
+ }
+
+ if_list = get_interface_list(&err, err_str);
+ if (if_list == NULL && err == CANT_GET_INTERFACE_LIST) {
+ simple_dialog(ESD_TYPE_WARN, NULL, "Can't get list of interfaces: %s",
+ err_str);
+ }
- cap_open_w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_title(GTK_WINDOW(cap_open_w), "Ethereal: Capture Preferences");
+ cap_open_w = dlg_window_new("Ethereal: Capture Preferences");
+ gtk_signal_connect(GTK_OBJECT(cap_open_w), "destroy",
+ GTK_SIGNAL_FUNC(capture_prep_destroy_cb), NULL);
+
+ /* Accelerator group for the accelerators (or, as they're called in
+ Windows and, I think, in Motif, "mnemonics"; Alt+<key> is a mnemonic,
+ Ctrl+<key> is an accelerator). */
+ accel_group = gtk_accel_group_new();
+ gtk_window_add_accel_group(GTK_WINDOW(cap_open_w), accel_group);
- /* Container for each row of widgets */
main_vb = gtk_vbox_new(FALSE, 3);
gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
gtk_container_add(GTK_CONTAINER(cap_open_w), main_vb);
gtk_widget_show(main_vb);
+ /* Table : container of the first 4 rows */
+ table = gtk_table_new (4, 2, FALSE);
+ gtk_table_set_row_spacings(GTK_TABLE (table), 5);
+ gtk_table_set_col_spacings(GTK_TABLE (table), 5);
+ gtk_container_add(GTK_CONTAINER(main_vb), table);
+ gtk_widget_show(table);
+
/* Interface row */
- if_hb = gtk_hbox_new(FALSE, 3);
- gtk_container_add(GTK_CONTAINER(main_vb), if_hb);
- gtk_widget_show(if_hb);
if_lb = gtk_label_new("Interface:");
- gtk_box_pack_start(GTK_BOX(if_hb), if_lb, FALSE, FALSE, 0);
+ gtk_table_attach_defaults(GTK_TABLE(table), if_lb, 0, 1, 0, 1);
gtk_widget_show(if_lb);
if_cb = gtk_combo_new();
if (if_list != NULL)
gtk_combo_set_popdown_strings(GTK_COMBO(if_cb), if_list);
- if (cf.iface)
- gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(if_cb)->entry), cf.iface);
+ if (cfile.iface)
+ gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(if_cb)->entry), cfile.iface);
else if (if_list)
gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(if_cb)->entry), if_list->data);
- gtk_box_pack_start(GTK_BOX(if_hb), if_cb, FALSE, FALSE, 0);
+ gtk_table_attach_defaults(GTK_TABLE(table), if_cb, 1, 2, 0, 1);
gtk_widget_show(if_cb);
- while (if_list) {
- g_free(if_list->data);
- if_list = g_list_remove_link(if_list, if_list);
- }
+ free_interface_list(if_list);
/* Count row */
- count_hb = gtk_hbox_new(FALSE, 3);
- gtk_container_add(GTK_CONTAINER(main_vb), count_hb);
- gtk_widget_show(count_hb);
count_lb = gtk_label_new("Count:");
- gtk_box_pack_start(GTK_BOX(count_hb), count_lb, FALSE, FALSE, 0);
+ gtk_table_attach_defaults(GTK_TABLE(table), count_lb, 0, 1, 1, 2);
gtk_widget_show(count_lb);
count_list = g_list_append(count_list, count_item1);
- if (cf.count) {
- snprintf(count_item2, 15, "%d", cf.count);
+ if (cfile.count) {
+ snprintf(count_item2, 15, "%d", cfile.count);
count_list = g_list_append(count_list, count_item2);
}
count_cb = gtk_combo_new();
gtk_combo_set_popdown_strings(GTK_COMBO(count_cb), count_list);
- gtk_box_pack_start(GTK_BOX(count_hb), count_cb, FALSE, FALSE, 0);
+ gtk_table_attach_defaults(GTK_TABLE(table), count_cb, 1, 2, 1, 2);
gtk_widget_show(count_cb);
while (count_list)
count_list = g_list_remove_link(count_list, count_list);
/* Filter row */
- filter_hb = gtk_hbox_new(FALSE, 3);
- gtk_container_add(GTK_CONTAINER(main_vb), filter_hb);
- gtk_widget_show(filter_hb);
filter_bt = gtk_button_new_with_label("Filter:");
gtk_signal_connect(GTK_OBJECT(filter_bt), "clicked",
- GTK_SIGNAL_FUNC(filter_dialog_cb), NULL);
- gtk_box_pack_start(GTK_BOX(filter_hb), filter_bt, FALSE, TRUE, 0);
+ GTK_SIGNAL_FUNC(filter_browse_cb), NULL);
+ gtk_table_attach_defaults(GTK_TABLE(table), filter_bt, 0, 1, 2, 3);
gtk_widget_show(filter_bt);
filter_te = gtk_entry_new();
- if (cf.cfilter) gtk_entry_set_text(GTK_ENTRY(filter_te), cf.cfilter);
+ if (cfile.cfilter) gtk_entry_set_text(GTK_ENTRY(filter_te), cfile.cfilter);
gtk_object_set_data(GTK_OBJECT(filter_bt), E_FILT_TE_PTR_KEY, filter_te);
- gtk_box_pack_start(GTK_BOX(filter_hb), filter_te, TRUE, TRUE, 0);
+ gtk_table_attach_defaults(GTK_TABLE(table), filter_te, 1, 2, 2, 3);
gtk_widget_show(filter_te);
/* File row */
- file_hb = gtk_hbox_new(FALSE, 1);
- gtk_container_add(GTK_CONTAINER(main_vb), file_hb);
- gtk_widget_show(file_hb);
file_bt = gtk_button_new_with_label("File:");
- gtk_box_pack_start(GTK_BOX(file_hb), file_bt, FALSE, FALSE, 3);
+ gtk_table_attach_defaults(GTK_TABLE(table), file_bt, 0, 1, 3, 4);
gtk_widget_show(file_bt);
file_te = gtk_entry_new();
- gtk_box_pack_start(GTK_BOX(file_hb), file_te, TRUE, TRUE, 3);
+ gtk_table_attach_defaults(GTK_TABLE(table), file_te, 1, 2, 3, 4);
gtk_widget_show(file_te);
gtk_signal_connect(GTK_OBJECT(file_bt), "clicked",
gtk_box_pack_start(GTK_BOX(caplen_hb), snap_lb, FALSE, FALSE, 6);
gtk_widget_show(snap_lb);
- adj = (GtkAdjustment *) gtk_adjustment_new((float) cf.snap,
+ adj = (GtkAdjustment *) gtk_adjustment_new((float) cfile.snap,
MIN_PACKET_SIZE, WTAP_MAX_PACKET_SIZE, 1.0, 10.0, 0.0);
snap_sb = gtk_spin_button_new (adj, 0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (snap_sb), TRUE);
gtk_box_pack_start (GTK_BOX(caplen_hb), snap_sb, FALSE, FALSE, 3);
gtk_widget_show(snap_sb);
- sync_cb = gtk_check_button_new_with_label("Update list of packets in real time");
+ promisc_cb = dlg_check_button_new_with_label_with_mnemonic(
+ "Capture packets in _promiscuous mode", accel_group);
+ gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(promisc_cb), promisc_mode);
+ gtk_container_add(GTK_CONTAINER(main_vb), promisc_cb);
+ gtk_widget_show(promisc_cb);
+
+ sync_cb = dlg_check_button_new_with_label_with_mnemonic(
+ "_Update list of packets in real time", accel_group);
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(sync_cb), sync_mode);
gtk_container_add(GTK_CONTAINER(main_vb), sync_cb);
gtk_widget_show(sync_cb);
- resolv_cb = gtk_check_button_new_with_label("Enable name resolution");
+ auto_scroll_cb = dlg_check_button_new_with_label_with_mnemonic(
+ "_Automatic scrolling in live capture", accel_group);
+ gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(auto_scroll_cb), auto_scroll_live);
+ gtk_container_add(GTK_CONTAINER(main_vb), auto_scroll_cb);
+ gtk_widget_show(auto_scroll_cb);
+
+ resolv_cb = dlg_check_button_new_with_label_with_mnemonic(
+ "Enable _name resolution", accel_group);
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(resolv_cb), g_resolving_actif);
gtk_container_add(GTK_CONTAINER(main_vb), resolv_cb);
gtk_widget_show(resolv_cb);
gtk_object_set_data(GTK_OBJECT(cap_open_w), E_CAP_FILE_TE_KEY, file_te);
gtk_object_set_data(GTK_OBJECT(cap_open_w), E_CAP_COUNT_KEY, count_cb);
gtk_object_set_data(GTK_OBJECT(cap_open_w), E_CAP_SNAP_KEY, snap_sb);
+ gtk_object_set_data(GTK_OBJECT(cap_open_w), E_CAP_PROMISC_KEY, promisc_cb);
gtk_object_set_data(GTK_OBJECT(cap_open_w), E_CAP_SYNC_KEY, sync_cb);
+ gtk_object_set_data(GTK_OBJECT(cap_open_w), E_CAP_AUTO_SCROLL_KEY, auto_scroll_cb);
gtk_object_set_data(GTK_OBJECT(cap_open_w), E_CAP_RESOLVE_KEY, resolv_cb);
+ /* Catch the "activate" signal on the frame number and file name text
+ entries, so that if the user types Return there, we act as if the
+ "OK" button had been selected, as happens if Return is typed if some
+ widget that *doesn't* handle the Return key has the input focus. */
+ dlg_set_activate(filter_te, ok_bt);
+ dlg_set_activate(file_te, ok_bt);
+
+ /* Catch the "key_press_event" signal in the window, so that we can catch
+ the ESC key being pressed and act as if the "Cancel" button had
+ been selected. */
+ dlg_set_cancel(cap_open_w, cancel_bt);
+
+ /* XXX - why does not
+
+ gtk_widget_grab_focus(if_cb);
+
+ give the initial focus to the "Interface" combo box?
+
+ Or should I phrase that as "why does GTK+ continually frustrate
+ attempts to make GUIs driveable from the keyboard?" We have to
+ go catch the activate signal on every single GtkEntry widget
+ (rather than having widgets whose activate signal is *not*
+ caught not catch the Return keystroke, so that it passes on,
+ ultimately, to the window, which can activate the default
+ widget, i.e. the "OK" button); we have to catch the "key_press_event"
+ signal and have the handler check for ESC, so that we can have ESC
+ activate the "Cancel" button; in order to support Alt+<key> mnemonics
+ for buttons and the like, we may have to construct an accelerator
+ group by hand and set up the accelerators by hand (if that even
+ works - I've not tried it yet); we have to do a "gtk_widget_grab_focus()"
+ to keep some container widget from getting the initial focus, so that
+ you don't have to tab into the first widget in order to start typing
+ in it; and it now appears that you simply *can't* make a combo box
+ get the initial focus, at least not in the obvious fashion. Sigh.... */
+
gtk_widget_show(cap_open_w);
}
static void
capture_prep_file_cb(GtkWidget *w, gpointer file_te)
{
+ GtkWidget *caller = gtk_widget_get_toplevel(w);
GtkWidget *fs;
+ /* Has a file selection dialog box already been opened for that top-level
+ widget? */
+ fs = gtk_object_get_data(GTK_OBJECT(caller), E_FILE_SEL_DIALOG_PTR_KEY);
+
+ if (fs != NULL) {
+ /* Yes. Just re-activate that dialog box. */
+ reactivate_window(fs);
+ return;
+ }
+
fs = gtk_file_selection_new ("Ethereal: Capture File");
gtk_object_set_data(GTK_OBJECT(fs), E_CAP_FILE_TE_KEY, file_te);
+ /* Set the E_FS_CALLER_PTR_KEY for the new dialog to point to our caller. */
+ gtk_object_set_data(GTK_OBJECT(fs), E_FS_CALLER_PTR_KEY, caller);
+
+ /* Set the E_FILE_SEL_DIALOG_PTR_KEY for the caller to point to us */
+ gtk_object_set_data(GTK_OBJECT(caller), E_FILE_SEL_DIALOG_PTR_KEY, fs);
+
+ /* Call a handler when the file selection box is destroyed, so we can inform
+ our caller, if any, that it's been destroyed. */
+ gtk_signal_connect(GTK_OBJECT(fs), "destroy",
+ GTK_SIGNAL_FUNC(cap_prep_fs_destroy_cb), NULL);
+
gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION(fs)->ok_button),
"clicked", (GtkSignalFunc) cap_prep_fs_ok_cb, fs);
/* Connect the cancel_button to destroy the widget */
gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION(fs)->cancel_button),
"clicked", (GtkSignalFunc) cap_prep_fs_cancel_cb, fs);
+
+ /* Catch the "key_press_event" signal in the window, so that we can catch
+ the ESC key being pressed and act as if the "Cancel" button had
+ been selected. */
+ dlg_set_cancel(fs, GTK_FILE_SELECTION(fs)->cancel_button);
gtk_widget_show(fs);
}
gtk_widget_destroy(GTK_WIDGET(data));
}
+static void
+cap_prep_fs_destroy_cb(GtkWidget *win, gpointer data)
+{
+ GtkWidget *caller;
+
+ /* Get the widget that requested that we be popped up.
+ (It should arrange to destroy us if it's destroyed, so
+ that we don't get a pointer to a non-existent window here.) */
+ caller = gtk_object_get_data(GTK_OBJECT(win), E_FS_CALLER_PTR_KEY);
+
+ /* Tell it we no longer exist. */
+ gtk_object_set_data(GTK_OBJECT(caller), E_FILE_SEL_DIALOG_PTR_KEY, NULL);
+
+ /* Now nuke this window. */
+ gtk_grab_remove(GTK_WIDGET(win));
+ gtk_widget_destroy(GTK_WIDGET(win));
+}
+
static void
capture_prep_ok_cb(GtkWidget *ok_bt, gpointer parent_w) {
- GtkWidget *if_cb, *filter_te, *file_te, *count_cb, *snap_sb, *sync_cb,
- *resolv_cb;
+ GtkWidget *if_cb, *filter_te, *file_te, *count_cb, *snap_sb, *promisc_cb,
+ *sync_cb, *auto_scroll_cb, *resolv_cb;
gchar *if_text;
gchar *if_name;
gchar *filter_text;
file_te = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(parent_w), E_CAP_FILE_TE_KEY);
count_cb = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(parent_w), E_CAP_COUNT_KEY);
snap_sb = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(parent_w), E_CAP_SNAP_KEY);
+ promisc_cb = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(parent_w), E_CAP_PROMISC_KEY);
sync_cb = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(parent_w), E_CAP_SYNC_KEY);
+ auto_scroll_cb = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(parent_w), E_CAP_AUTO_SCROLL_KEY);
resolv_cb = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(parent_w), E_CAP_RESOLVE_KEY);
if_text =
g_strdup(gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(if_cb)->entry)));
if_name = strtok(if_text, " \t");
if (if_name == NULL) {
- simple_dialog(ESD_TYPE_WARN, NULL,
+ simple_dialog(ESD_TYPE_CRIT, NULL,
"You didn't specify an interface on which to capture packets.");
g_free(if_name);
return;
}
- if (cf.iface)
- g_free(cf.iface);
- cf.iface = g_strdup(if_name);
+ if (cfile.iface)
+ g_free(cfile.iface);
+ cfile.iface = g_strdup(if_name);
g_free(if_text);
- /* XXX - don't try to get clever and set "cf.filter" to NULL if the
+ /* XXX - don't try to get clever and set "cfile.filter" to NULL if the
filter string is empty, as an indication that we don't have a filter
and thus don't have to set a filter when capturing - the version of
libpcap in Red Hat Linux 6.1, and versions based on later patches
no filter is set, which means no packets arrive as input on that
socket, which means Ethereal never sees any packets. */
filter_text = gtk_entry_get_text(GTK_ENTRY(filter_te));
- if (cf.cfilter)
- g_free(cf.cfilter);
+ if (cfile.cfilter)
+ g_free(cfile.cfilter);
g_assert(filter_text != NULL);
- cf.cfilter = g_strdup(filter_text);
+ cfile.cfilter = g_strdup(filter_text);
save_file = gtk_entry_get_text(GTK_ENTRY(file_te));
if (save_file && save_file[0]) {
save_file = NULL;
}
- cf.count = atoi(gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(count_cb)->entry)));
+ cfile.count = atoi(gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(count_cb)->entry)));
+
+ cfile.snap = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(snap_sb));
+ if (cfile.snap < 1)
+ cfile.snap = WTAP_MAX_PACKET_SIZE;
+ else if (cfile.snap < MIN_PACKET_SIZE)
+ cfile.snap = MIN_PACKET_SIZE;
- cf.snap = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(snap_sb));
- if (cf.snap < 1)
- cf.snap = WTAP_MAX_PACKET_SIZE;
- else if (cf.snap < MIN_PACKET_SIZE)
- cf.snap = MIN_PACKET_SIZE;
+ promisc_mode = GTK_TOGGLE_BUTTON (promisc_cb)->active;
sync_mode = GTK_TOGGLE_BUTTON (sync_cb)->active;
+ auto_scroll_live = GTK_TOGGLE_BUTTON (auto_scroll_cb)->active;
+
g_resolving_actif = GTK_TOGGLE_BUTTON (resolv_cb)->active;
gtk_widget_destroy(GTK_WIDGET(parent_w));
gtk_widget_destroy(GTK_WIDGET(parent_w));
}
-struct search_user_data {
- char *name;
- int found;
-};
-
-static GList *
-get_interface_list() {
- GList *il = NULL;
- gint nonloopback_pos = 0;
- struct ifreq *ifr, *last;
- struct ifconf ifc;
- struct ifreq ifrflags;
- int sock = socket(AF_INET, SOCK_DGRAM, 0);
- struct search_user_data user_data;
- pcap_t *pch;
- gchar err_str[PCAP_ERRBUF_SIZE];
-
- if (sock < 0)
- {
- simple_dialog(ESD_TYPE_WARN, NULL,
- "Can't list interfaces: error opening socket.");
- return NULL;
- }
+static void
+capture_prep_destroy_cb(GtkWidget *win, gpointer user_data)
+{
+ GtkWidget *capture_prep_filter_w;
+ GtkWidget *fs;
- /* Since we have to grab the interface list all at once, we'll make
- plenty of room */
- ifc.ifc_len = 1024 * sizeof(struct ifreq);
- ifc.ifc_buf = malloc(ifc.ifc_len);
-
- if (ioctl(sock, SIOCGIFCONF, &ifc) < 0 ||
- ifc.ifc_len < sizeof(struct ifreq))
- {
- simple_dialog(ESD_TYPE_WARN, NULL,
- "Can't list interfaces: SIOCGIFCONF error: %s", strerror(errno));
- goto fail;
- }
+ /* Is there a filter edit/selection dialog associated with this
+ Capture Preferences dialog? */
+ capture_prep_filter_w = gtk_object_get_data(GTK_OBJECT(win), E_FILT_DIALOG_PTR_KEY);
- ifr = (struct ifreq *) ifc.ifc_req;
- last = (struct ifreq *) ((char *) ifr + ifc.ifc_len);
- while (ifr < last)
- {
- /*
- * Skip addresses that begin with "dummy", or that include a ":"
- * (the latter are Solaris virtuals).
- */
- if (strncmp(ifr->ifr_name, "dummy", 5) == 0 ||
- strchr(ifr->ifr_name, ':') != NULL)
- goto next;
-
- /*
- * If we already have this interface name on the list, don't add
- * it (SIOCGIFCONF returns, at least on BSD-flavored systems, one
- * entry per interface *address*; if an interface has multiple
- * addresses, we get multiple entries for it).
- */
- user_data.name = ifr->ifr_name;
- user_data.found = FALSE;
- g_list_foreach(il, search_for_if_cb, &user_data);
- if (user_data.found)
- goto next;
-
- /*
- * Get the interface flags.
- */
- memset(&ifrflags, 0, sizeof ifrflags);
- strncpy(ifrflags.ifr_name, ifr->ifr_name, sizeof ifrflags.ifr_name);
- if (ioctl(sock, SIOCGIFFLAGS, (char *)&ifrflags) < 0) {
- if (errno == ENXIO)
- goto next;
- simple_dialog(ESD_TYPE_WARN, NULL,
- "Can't list interfaces: SIOCGIFFLAGS error on %s: %s",
- ifr->ifr_name, strerror(errno));
- goto fail;
- }
-
- /*
- * Skip interfaces that aren't up.
- */
- if (!(ifrflags.ifr_flags & IFF_UP))
- goto next;
-
- /*
- * Skip interfaces that we can't open with "libpcap".
- * Open with the minimum packet size - it appears that the
- * IRIX SIOCSNOOPLEN "ioctl" may fail if the capture length
- * supplied is too large, rather than just truncating it.
- */
- pch = pcap_open_live(ifr->ifr_name, MIN_PACKET_SIZE, 0, 0, err_str);
- if (pch == NULL)
- goto next;
- pcap_close(pch);
-
- /*
- * If it's a loopback interface, add it at the end of the list,
- * otherwise add it after the last non-loopback interface,
- * so all loopback interfaces go at the end - we don't want a
- * loopback interface to be the default capture device unless there
- * are no non-loopback devices.
- */
- if ((ifrflags.ifr_flags & IFF_LOOPBACK) ||
- strncmp(ifr->ifr_name, "lo", 2) == 0)
- il = g_list_insert(il, g_strdup(ifr->ifr_name), -1);
- else {
- il = g_list_insert(il, g_strdup(ifr->ifr_name), nonloopback_pos);
- /* Insert the next non-loopback interface after this one. */
- nonloopback_pos++;
- }
-
-next:
-#ifdef HAVE_SA_LEN
- ifr = (struct ifreq *) ((char *) ifr + ifr->ifr_addr.sa_len + IFNAMSIZ);
-#else
- ifr = (struct ifreq *) ((char *) ifr + sizeof(struct ifreq));
-#endif
+ if (capture_prep_filter_w != NULL) {
+ /* Yes. Destroy it. */
+ gtk_widget_destroy(capture_prep_filter_w);
}
- free(ifc.ifc_buf);
- close(sock);
+ /* Is there a file selection dialog associated with this
+ Print File dialog? */
+ fs = gtk_object_get_data(GTK_OBJECT(win), E_FILE_SEL_DIALOG_PTR_KEY);
- return il;
-
-fail:
- if (il != NULL) {
- g_list_foreach(il, free_if_cb, NULL);
- g_list_free(il);
+ if (fs != NULL) {
+ /* Yes. Destroy it. */
+ gtk_widget_destroy(fs);
}
- free(ifc.ifc_buf);
- close(sock);
- return NULL;
-}
-static void
-search_for_if_cb(gpointer data, gpointer user_data)
-{
- struct search_user_data *search_user_data = user_data;
-
- if (strcmp((char *)data, search_user_data->name) == 0)
- search_user_data->found = TRUE;
-}
-
-static void
-free_if_cb(gpointer data, gpointer user_data)
-{
- g_free(data);
+ /* Note that we no longer have a "Capture Preferences" dialog box. */
+ cap_open_w = NULL;
}
#endif /* HAVE_LIBPCAP */