/* util.c
* Utility routines
*
- * $Id: util.c,v 1.7 1998/10/28 21:22:33 gerald Exp $
+ * $Id$
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@zing.org>
+ * By Gerald Combs <gerald@ethereal.com>
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include <glib.h>
-#include <gtk/gtk.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "file_util.h"
-#include <stdarg.h>
-#include <strings.h>
+#include <epan/address.h>
+#include <epan/addr_resolv.h>
-#ifdef NEED_SNPRINTF_H
-# ifdef HAVE_STDARG_H
-# include <stdarg.h>
-# else
-# include <varargs.h>
-# endif
-# include "snprintf.h"
+/*
+ * This has to come after the include of <pcap.h>, as the include of
+ * <pcap.h> might cause <winsock2.h> to be included, and if we've
+ * already included <winsock.h> as a result of including <windows.h>,
+ * we get a bunch of redefinitions.
+ */
+#ifdef HAVE_WINDOWS_H
+#include <windows.h>
#endif
#include "util.h"
-#include "image/icon-excl.xpm"
-#include "image/icon-ethereal.xpm"
-
-const gchar *bm_key = "button mask";
-
-/* Simple dialog function - Displays a dialog box with the supplied message
- * text.
- *
- * Args:
- * type : One of ESD_TYPE_*.
- * btn_mask : The address of a gint. The value passed in determines if
- * the 'Cancel' button is displayed. The button pressed by the
- * user is passed back.
- * msg_format : Sprintf-style format of the text displayed in the dialog.
- * ... : Argument list for msg_format
- *
+/*
+ * Collect command-line arguments as a string consisting of the arguments,
+ * separated by spaces.
*/
-
-#define ESD_MAX_MSG_LEN 1024
-void
-simple_dialog(gint type, gint *btn_mask, gchar *msg_format, ...) {
- GtkWidget *win, *main_vb, *top_hb, *type_pm, *msg_label,
- *bbox, *ok_btn, *cancel_btn;
- GdkPixmap *pixmap;
- GdkBitmap *mask;
- GtkStyle *style;
- GdkColormap *cmap;
- va_list ap;
- gchar message[ESD_MAX_MSG_LEN];
- gchar **icon;
-
- /* Main window */
- win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_container_border_width(GTK_CONTAINER(win), 7);
-
- switch (type) {
- case ESD_TYPE_WARN :
- gtk_window_set_title(GTK_WINDOW(win), "Ethereal: Warning");
- icon = icon_excl_xpm;
- break;
- case ESD_TYPE_CRIT :
- gtk_window_set_title(GTK_WINDOW(win), "Ethereal: Critical");
- icon = icon_excl_xpm;
- break;
- case ESD_TYPE_INFO :
- default :
- icon = icon_ethereal_xpm;
- gtk_window_set_title(GTK_WINDOW(win), "Ethereal: Information");
- break;
- }
+char *
+get_args_as_string(int argc, char **argv, int optind)
+{
+ int len;
+ int i;
+ char *argstring;
- gtk_object_set_data(GTK_OBJECT(win), bm_key, btn_mask);
-
- /* Container for our rows */
- main_vb = gtk_vbox_new(FALSE, 5);
- gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
- gtk_container_add(GTK_CONTAINER(win), main_vb);
- gtk_widget_show(main_vb);
-
- /* Top row: Icon and message text */
- top_hb = gtk_hbox_new(FALSE, 10);
- gtk_container_add(GTK_CONTAINER(main_vb), top_hb);
- gtk_widget_show(top_hb);
-
- style = gtk_widget_get_style(win);
- cmap = gdk_colormap_get_system();
- pixmap = gdk_pixmap_colormap_create_from_xpm_d(NULL, cmap, &mask,
- &style->bg[GTK_STATE_NORMAL], icon);
- type_pm = gtk_pixmap_new(pixmap, mask);
- gtk_misc_set_alignment (GTK_MISC (type_pm), 0.5, 0.0);
- gtk_container_add(GTK_CONTAINER(top_hb), type_pm);
- gtk_widget_show(type_pm);
-
- /* Load our vararg list into the message string */
- va_start(ap, msg_format);
- vsnprintf(message, ESD_MAX_MSG_LEN, msg_format, ap);
-
- msg_label = gtk_label_new(message);
- gtk_label_set_justify(GTK_LABEL(msg_label), GTK_JUSTIFY_FILL);
- gtk_container_add(GTK_CONTAINER(top_hb), msg_label);
- gtk_widget_show(msg_label);
-
- /* Button row */
- bbox = gtk_hbutton_box_new();
- gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END);
- gtk_container_add(GTK_CONTAINER(main_vb), bbox);
- gtk_widget_show(bbox);
-
- ok_btn = gtk_button_new_with_label ("OK");
- gtk_signal_connect_object(GTK_OBJECT(ok_btn), "clicked",
- GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT (win));
- gtk_container_add(GTK_CONTAINER(bbox), ok_btn);
- GTK_WIDGET_SET_FLAGS(ok_btn, GTK_CAN_DEFAULT);
- gtk_widget_grab_default(ok_btn);
- gtk_widget_show(ok_btn);
-
- if (btn_mask && *btn_mask == ESD_BTN_CANCEL) {
- cancel_btn = gtk_button_new_with_label("Cancel");
- gtk_signal_connect(GTK_OBJECT(cancel_btn), "clicked",
- GTK_SIGNAL_FUNC(simple_dialog_cancel_cb), (gpointer) win);
- gtk_container_add(GTK_CONTAINER(bbox), cancel_btn);
- GTK_WIDGET_SET_FLAGS(cancel_btn, GTK_CAN_DEFAULT);
- gtk_widget_show(cancel_btn);
- }
+ /*
+ * Find out how long the string will be.
+ */
+ len = 0;
+ for (i = optind; i < argc; i++) {
+ len += strlen(argv[i]);
+ len++; /* space, or '\0' if this is the last argument */
+ }
+
+ /*
+ * Allocate the buffer for the string.
+ */
+ argstring = g_malloc(len);
+
+ /*
+ * Now construct the string.
+ */
+ strcpy(argstring, "");
+ i = optind;
+ for (;;) {
+ strcat(argstring, argv[i]);
+ i++;
+ if (i == argc)
+ break;
+ strcat(argstring, " ");
+ }
+ return argstring;
+}
+
+static const char *
+setup_tmpdir(const char *dir)
+{
+ size_t len = strlen(dir);
+ char *newdir;
+
+ /* Append path separator if necessary */
+ if (len != 0 && dir[len - 1] == G_DIR_SEPARATOR) {
+ return dir;
+ }
+ else {
+ newdir = g_malloc(len + 2);
+ strcpy(newdir, dir);
+ strcat(newdir, G_DIR_SEPARATOR_S);
+ return newdir;
+ }
+}
+
+static int
+try_tempfile(char *namebuf, int namebuflen, const char *dir, const char *pfx)
+{
+ static const char suffix[] = "XXXXXXXXXX";
+ int namelen = strlen(dir) + strlen(pfx) + sizeof suffix;
+ int old_umask;
+ int tmp_fd;
+
+ if (namebuflen < namelen) {
+ /* Stick in a truncated name, so that if this error is
+ reported with the file name, you at least get
+ something. */
+ g_snprintf(namebuf, namebuflen, "%s%s%s", dir, pfx, suffix);
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+ strcpy(namebuf, dir);
+ strcat(namebuf, pfx);
+ strcat(namebuf, suffix);
+
+ /* The Single UNIX Specification doesn't say that "mkstemp()"
+ creates the temporary file with mode rw-------, so we
+ won't assume that all UNIXes will do so; instead, we set
+ the umask to 0077 to take away all group and other
+ permissions, attempt to create the file, and then put
+ the umask back. */
+ old_umask = umask(0077);
+ tmp_fd = eth_mkstemp(namebuf);
+ umask(old_umask);
+ return tmp_fd;
+}
- if (btn_mask)
- *btn_mask = ESD_BTN_OK;
+static const char *tmpdir = NULL;
+#ifdef _WIN32
+static char *temp = NULL;
+#endif
+static const char *E_tmpdir;
+
+#ifndef P_tmpdir
+#define P_tmpdir "/var/tmp"
+#endif
+
+int
+create_tempfile(char *namebuf, int namebuflen, const char *pfx)
+{
+ char *dir;
+ int fd;
+ static gboolean initialized;
+
+ if (!initialized) {
+ if ((dir = getenv("TMPDIR")) != NULL)
+ tmpdir = setup_tmpdir(dir);
+#ifdef _WIN32
+ if ((dir = getenv("TEMP")) != NULL)
+ temp = setup_tmpdir(dir);
+#endif
+
+ E_tmpdir = setup_tmpdir(P_tmpdir);
+ initialized = TRUE;
+ }
+
+ if (tmpdir != NULL) {
+ fd = try_tempfile(namebuf, namebuflen, tmpdir, pfx);
+ if (fd != -1)
+ return fd;
+ }
+
+#ifdef _WIN32
+ if (temp != NULL) {
+ fd = try_tempfile(namebuf, namebuflen, temp, pfx);
+ if (fd != -1)
+ return fd;
+ }
+#endif
- gtk_widget_show(win);
+ fd = try_tempfile(namebuf, namebuflen, E_tmpdir, pfx);
+ if (fd != -1)
+ return fd;
+
+ return try_tempfile(namebuf, namebuflen, G_DIR_SEPARATOR_S "tmp", pfx);
}
+/* Compute the difference between two seconds/microseconds time stamps. */
void
-simple_dialog_cancel_cb(GtkWidget *w, gpointer win) {
- gint *btn_mask = (gint *) gtk_object_get_data(win, bm_key);
-
- if (btn_mask)
- *btn_mask = ESD_BTN_CANCEL;
- gtk_widget_destroy(GTK_WIDGET(win));
+compute_timestamp_diff(gint *diffsec, gint *diffusec,
+ guint32 sec1, guint32 usec1, guint32 sec2, guint32 usec2)
+{
+ if (sec1 == sec2) {
+ /* The seconds part of the first time is the same as the seconds
+ part of the second time, so if the microseconds part of the first
+ time is less than the microseconds part of the second time, the
+ first time is before the second time. The microseconds part of
+ the delta should just be the difference between the microseconds
+ part of the first time and the microseconds part of the second
+ time; don't adjust the seconds part of the delta, as it's OK if
+ the microseconds part is negative. */
+
+ *diffsec = sec1 - sec2;
+ *diffusec = usec1 - usec2;
+ } else if (sec1 <= sec2) {
+ /* The seconds part of the first time is less than the seconds part
+ of the second time, so the first time is before the second time.
+
+ Both the "seconds" and "microseconds" value of the delta
+ should have the same sign, so if the difference between the
+ microseconds values would be *positive*, subtract 1,000,000
+ from it, and add one to the seconds value. */
+ *diffsec = sec1 - sec2;
+ if (usec2 >= usec1) {
+ *diffusec = usec1 - usec2;
+ } else {
+ *diffusec = (usec1 - 1000000) - usec2;
+ (*diffsec)++;
+ }
+ } else {
+ /* Oh, good, we're not caught in a chronosynclastic infindibulum. */
+ *diffsec = sec1 - sec2;
+ if (usec2 <= usec1) {
+ *diffusec = usec1 - usec2;
+ } else {
+ *diffusec = (usec1 + 1000000) - usec2;
+ (*diffsec)--;
+ }
+ }
+}
+
+/* Try to figure out if we're remotely connected, e.g. via ssh or
+ Terminal Server, and create a capture filter that matches aspects of the
+ connection. We match the following environment variables:
+
+ SSH_CONNECTION (ssh): <remote IP> <remote port> <local IP> <local port>
+ SSH_CLIENT (ssh): <remote IP> <remote port> <local port>
+ REMOTEHOST (tcsh, others?): <remote name>
+ DISPLAY (x11): [remote name]:<display num>
+ CLIENTNAME (terminal server): <remote name>
+ */
+
+const gchar *get_conn_cfilter(void) {
+ static GString *filter_str = NULL;
+ gchar *env, **tokens;
+
+ if (filter_str == NULL) {
+ filter_str = g_string_new("");
+ }
+ if ((env = getenv("SSH_CONNECTION")) != NULL) {
+ tokens = g_strsplit(env, " ", 4);
+ if (tokens[3]) {
+ g_string_sprintf(filter_str, "not (tcp port %s and %s host %s "
+ "and tcp port %s and %s host %s)", tokens[1], host_ip_af(tokens[0]), tokens[0],
+ tokens[3], host_ip_af(tokens[2]), tokens[2]);
+ return filter_str->str;
+ }
+ } else if ((env = getenv("SSH_CLIENT")) != NULL) {
+ tokens = g_strsplit(env, " ", 3);
+ g_string_sprintf(filter_str, "not (tcp port %s and %s host %s "
+ "and tcp port %s)", tokens[1], host_ip_af(tokens[0]), tokens[0], tokens[2]);
+ return filter_str->str;
+ } else if ((env = getenv("REMOTEHOST")) != NULL) {
+ if (strcasecmp(env, "localhost") == 0 || strcmp(env, "127.0.0.1") == 0) {
+ return "";
+ }
+ g_string_sprintf(filter_str, "not %s host %s", host_ip_af(env), env);
+ return filter_str->str;
+ } else if ((env = getenv("DISPLAY")) != NULL) {
+ tokens = g_strsplit(env, ":", 2);
+ if (tokens[0] && tokens[0][0] != 0) {
+ if (strcasecmp(tokens[0], "localhost") == 0 ||
+ strcmp(tokens[0], "127.0.0.1") == 0) {
+ return "";
+ }
+ g_string_sprintf(filter_str, "not %s host %s",
+ host_ip_af(tokens[0]), tokens[0]);
+ return filter_str->str;
+ }
+ } else if ((env = getenv("CLIENTNAME")) != NULL) {
+ if (g_strcasecmp("console", env) != 0) {
+ g_string_sprintf(filter_str, "not %s host %s", host_ip_af(env), env);
+ return filter_str->str;
+ }
+ }
+ return "";
}
git.samba.org / obnox / wireshark / wip.git / blobdiff