524 lines
14 KiB
C
524 lines
14 KiB
C
/* print.c
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* Routines for printing packet analysis trees.
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*
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* $Id: print.c,v 1.16 1999/07/23 21:09:23 guy Exp $
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*
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* Gilbert Ramirez <gram@verdict.uthscsa.edu>
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <gtk/gtk.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include "ethereal.h"
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#include "packet.h"
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#include "gtkpacket.h"
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#include "prefs.h"
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#include "print.h"
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#include "ps.h"
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static void printer_opts_file_cb(GtkWidget *w, gpointer te);
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static void printer_opts_fs_cancel_cb(GtkWidget *w, gpointer data);
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static void printer_opts_fs_ok_cb(GtkWidget *w, gpointer data);
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static void printer_opts_toggle_format(GtkWidget *widget, gpointer data);
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static void printer_opts_toggle_dest(GtkWidget *widget, gpointer data);
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static void proto_tree_print_node_text(GNode *node, gpointer data);
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static void dumpit (FILE *fh, register const u_char *cp, register u_int length);
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static void proto_tree_print_node_ps(GNode *node, gpointer data);
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static void ps_clean_string(unsigned char *out, const unsigned char *in,
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int outbuf_size);
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static void dumpit_ps (FILE *fh, register const u_char *cp, register u_int length);
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extern int proto_data; /* in packet-data.c */
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/* #include "ps.c" */
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/* Key for gtk_object_set_data */
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#define PRINT_CMD_TE_KEY "printer_command_entry"
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#define PRINT_FILE_TE_KEY "printer_file_entry"
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GtkWidget * printer_prefs_show()
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{
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GtkWidget *main_vb, *main_tb, *button;
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GtkWidget *format_hb, *format_lb;
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GtkWidget *dest_hb, *dest_lb;
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GtkWidget *cmd_lb, *cmd_te;
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GtkWidget *file_bt_hb, *file_bt, *file_te;
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GSList *format_grp, *dest_grp;
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/* Enclosing containers for each row of widgets */
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main_vb = gtk_vbox_new(FALSE, 5);
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gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
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main_tb = gtk_table_new(4, 2, FALSE);
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gtk_box_pack_start(GTK_BOX(main_vb), main_tb, FALSE, FALSE, 0);
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gtk_table_set_row_spacings(GTK_TABLE(main_tb), 10);
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gtk_table_set_col_spacings(GTK_TABLE(main_tb), 15);
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gtk_widget_show(main_tb);
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/* Output format */
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format_lb = gtk_label_new("Format:");
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gtk_misc_set_alignment(GTK_MISC(format_lb), 1.0, 0.5);
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gtk_table_attach_defaults(GTK_TABLE(main_tb), format_lb, 0, 1, 0, 1);
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gtk_widget_show(format_lb);
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format_hb = gtk_hbox_new(FALSE, 0);
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gtk_table_attach_defaults(GTK_TABLE(main_tb), format_hb, 1, 2, 0, 1);
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gtk_widget_show(format_hb);
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button = gtk_radio_button_new_with_label(NULL, "Plain Text");
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if (prefs.pr_format == PR_FMT_TEXT) {
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gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), TRUE);
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}
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format_grp = gtk_radio_button_group(GTK_RADIO_BUTTON(button));
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gtk_box_pack_start(GTK_BOX(format_hb), button, FALSE, FALSE, 10);
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gtk_widget_show(button);
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button = gtk_radio_button_new_with_label(format_grp, "PostScript");
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if (prefs.pr_format == PR_FMT_PS) {
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gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), TRUE);
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}
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gtk_signal_connect(GTK_OBJECT(button), "toggled",
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GTK_SIGNAL_FUNC(printer_opts_toggle_format), NULL);
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gtk_box_pack_start(GTK_BOX(format_hb), button, FALSE, FALSE, 10);
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gtk_widget_show(button);
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/* Output destination */
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dest_lb = gtk_label_new("Print to:");
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gtk_misc_set_alignment(GTK_MISC(dest_lb), 1.0, 0.5);
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gtk_table_attach_defaults(GTK_TABLE(main_tb), dest_lb, 0, 1, 1, 2);
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gtk_widget_show(dest_lb);
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dest_hb = gtk_hbox_new(FALSE, 0);
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gtk_table_attach_defaults(GTK_TABLE(main_tb), dest_hb, 1, 2, 1, 2);
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gtk_widget_show(dest_hb);
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button = gtk_radio_button_new_with_label(NULL, "Command");
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if (prefs.pr_dest == PR_DEST_CMD) {
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gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), TRUE);
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}
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dest_grp = gtk_radio_button_group(GTK_RADIO_BUTTON(button));
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gtk_box_pack_start(GTK_BOX(dest_hb), button, FALSE, FALSE, 10);
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gtk_widget_show(button);
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button = gtk_radio_button_new_with_label(dest_grp, "File");
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if (prefs.pr_dest == PR_DEST_FILE) {
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gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), TRUE);
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}
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gtk_signal_connect(GTK_OBJECT(button), "toggled",
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GTK_SIGNAL_FUNC(printer_opts_toggle_dest), NULL);
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gtk_box_pack_start(GTK_BOX(dest_hb), button, FALSE, FALSE, 10);
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gtk_widget_show(button);
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/* Command text entry */
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cmd_lb = gtk_label_new("Command:");
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gtk_misc_set_alignment(GTK_MISC(cmd_lb), 1.0, 0.5);
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gtk_table_attach_defaults(GTK_TABLE(main_tb), cmd_lb, 0, 1, 2, 3);
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gtk_widget_show(cmd_lb);
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cmd_te = gtk_entry_new();
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gtk_object_set_data(GTK_OBJECT(main_vb), PRINT_CMD_TE_KEY, cmd_te);
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if (prefs.pr_cmd) gtk_entry_set_text(GTK_ENTRY(cmd_te), prefs.pr_cmd);
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gtk_table_attach_defaults(GTK_TABLE(main_tb), cmd_te, 1, 2, 2, 3);
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gtk_widget_show(cmd_te);
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/* File button and text entry */
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file_bt_hb = gtk_hbox_new(FALSE, 0);
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gtk_table_attach_defaults(GTK_TABLE(main_tb), file_bt_hb, 0, 1, 3, 4);
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gtk_widget_show(file_bt_hb);
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file_bt = gtk_button_new_with_label("File:");
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gtk_box_pack_end(GTK_BOX(file_bt_hb), file_bt, FALSE, FALSE, 0);
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gtk_widget_show(file_bt);
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file_te = gtk_entry_new();
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gtk_object_set_data(GTK_OBJECT(main_vb), PRINT_FILE_TE_KEY, file_te);
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if (prefs.pr_file) gtk_entry_set_text(GTK_ENTRY(file_te), prefs.pr_file);
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gtk_table_attach_defaults(GTK_TABLE(main_tb), file_te, 1, 2, 3, 4);
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gtk_widget_show(file_te);
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gtk_signal_connect(GTK_OBJECT(file_bt), "clicked",
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GTK_SIGNAL_FUNC(printer_opts_file_cb), GTK_OBJECT(file_te));
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gtk_widget_show(main_vb);
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return(main_vb);
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}
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static void
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printer_opts_file_cb(GtkWidget *file_bt, gpointer file_te) {
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GtkWidget *fs;
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fs = gtk_file_selection_new ("Ethereal: Print to a File");
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gtk_object_set_data(GTK_OBJECT(fs), PRINT_FILE_TE_KEY, file_te);
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gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION(fs)->ok_button),
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"clicked", (GtkSignalFunc) printer_opts_fs_ok_cb, fs);
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/* Connect the cancel_button to destroy the widget */
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gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION(fs)->cancel_button),
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"clicked", (GtkSignalFunc) printer_opts_fs_cancel_cb, fs);
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gtk_widget_show(fs);
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}
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static void
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printer_opts_fs_ok_cb(GtkWidget *w, gpointer data) {
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gtk_entry_set_text(GTK_ENTRY(gtk_object_get_data(GTK_OBJECT(data),
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PRINT_FILE_TE_KEY)),
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gtk_file_selection_get_filename (GTK_FILE_SELECTION(data)));
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printer_opts_fs_cancel_cb(w, data);
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}
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static void
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printer_opts_fs_cancel_cb(GtkWidget *w, gpointer data) {
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gtk_widget_destroy(GTK_WIDGET(data));
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}
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void
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printer_prefs_ok(GtkWidget *w)
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{
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if(prefs.pr_cmd) g_free(prefs.pr_cmd);
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prefs.pr_cmd =
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g_strdup(gtk_entry_get_text(GTK_ENTRY(gtk_object_get_data(GTK_OBJECT(w),
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PRINT_CMD_TE_KEY))));
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if(prefs.pr_file) g_free(prefs.pr_file);
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prefs.pr_file =
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g_strdup(gtk_entry_get_text(GTK_ENTRY(gtk_object_get_data(GTK_OBJECT(w),
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PRINT_FILE_TE_KEY))));
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}
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void
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printer_prefs_save(GtkWidget *w)
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{
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printer_prefs_ok(w);
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}
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void
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printer_prefs_cancel(GtkWidget *w)
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{
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}
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static void
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printer_opts_toggle_format(GtkWidget *widget, gpointer data)
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{
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if (GTK_TOGGLE_BUTTON (widget)->active) {
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prefs.pr_format = PR_FMT_PS;
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/* toggle file/cmd */
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}
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else {
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prefs.pr_format = PR_FMT_TEXT;
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/* toggle file/cmd */
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}
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}
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static void
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printer_opts_toggle_dest(GtkWidget *widget, gpointer data)
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{
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if (GTK_TOGGLE_BUTTON (widget)->active) {
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prefs.pr_dest = PR_DEST_FILE;
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}
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else {
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prefs.pr_dest = PR_DEST_CMD;
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}
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}
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/* ========================================================== */
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typedef struct {
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int level;
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FILE *fh;
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const guint8 *pd;
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} print_data;
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FILE *open_print_dest(int to_file, const char *dest)
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{
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FILE *fh;
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/* Open the file or command for output */
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if (to_file)
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fh = fopen(dest, "w");
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else
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fh = popen(dest, "w");
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return fh;
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}
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void close_print_dest(int to_file, FILE *fh)
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{
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/* Close the file or command */
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if (to_file)
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fclose(fh);
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else
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pclose(fh);
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}
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void print_preamble(FILE *fh)
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{
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if (prefs.pr_format == PR_FMT_PS)
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print_ps_preamble(fh);
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}
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void print_finale(FILE *fh)
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{
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if (prefs.pr_format == PR_FMT_PS)
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print_ps_finale(fh);
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}
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void proto_tree_print(int frame_num, GNode *protocol_tree,
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const u_char *pd, frame_data *fd, FILE *fh)
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{
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print_data data;
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/* Create the output */
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data.level = 0;
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data.fh = fh;
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data.pd = pd;
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/* XXX - printing multiple frames in PostScript looks as if it's
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tricky - you have to deal with page boundaries, I think -
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and I'll have to spend some time learning enough about
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PostScript to figure it out, so, for now, we only print
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multiple frames as text. */
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if (prefs.pr_format == PR_FMT_TEXT || frame_num != -1) {
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if (frame_num != -1)
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fprintf(fh, "Frame %d:\n\n", frame_num);
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g_node_children_foreach((GNode*) protocol_tree, G_TRAVERSE_ALL,
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proto_tree_print_node_text, &data);
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if (frame_num != -1)
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fprintf(fh, "\n");
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} else {
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if (frame_num != -1) {
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fprintf(fh, "0 (Frame %d:) putline\n", frame_num);
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fprintf(fh, "0 () putline\n");
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}
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g_node_children_foreach((GNode*) protocol_tree, G_TRAVERSE_ALL,
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proto_tree_print_node_ps, &data);
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if (frame_num != -1)
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fprintf(fh, "0 () putline\n");
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}
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}
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/* Print a tree's data, and any child nodes, in plain text */
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static
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void proto_tree_print_node_text(GNode *node, gpointer data)
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{
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field_info *fi = (field_info*) (node->data);
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print_data *pdata = (print_data*) data;
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int i;
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int num_spaces;
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char space[41];
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gchar label_str[ITEM_LABEL_LENGTH];
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gchar *label_ptr;
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if (!fi->visible)
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return;
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/* was a free format label produced? */
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if (fi->representation) {
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label_ptr = fi->representation;
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}
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else { /* no, make a generic label */
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label_ptr = label_str;
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proto_item_fill_label(fi, label_str);
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}
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/* Prepare the tabs for printing, depending on tree level */
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num_spaces = pdata->level * 4;
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if (num_spaces > 40) {
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num_spaces = 40;
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}
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for (i = 0; i < num_spaces; i++) {
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space[i] = ' ';
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}
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/* The string is NUL-terminated */
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space[num_spaces] = 0;
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/* Print the text */
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fprintf(pdata->fh, "%s%s\n", space, label_ptr);
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/* If it's uninterpreted data, dump it. */
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if (fi->hfinfo->id == proto_data)
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dumpit(pdata->fh, &pdata->pd[fi->start], fi->length);
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/* Recurse into the subtree, if it exists */
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if (g_node_n_children(node) > 0) {
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pdata->level++;
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g_node_children_foreach(node, G_TRAVERSE_ALL,
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proto_tree_print_node_text, pdata);
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pdata->level--;
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}
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}
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/* This routine was created by Dan Lasley <DLASLEY@PROMUS.com>, and
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only slightly modified for ethereal by Gilbert Ramirez. */
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static
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void dumpit (FILE *fh, register const u_char *cp, register u_int length)
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{
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register int ad, i, j, k;
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u_char c;
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u_char line[60];
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static u_char binhex[16] = {
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'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
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memset (line, ' ', sizeof line);
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line[sizeof (line)-1] = 0;
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for (ad=i=j=k=0; i<length; i++) {
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c = *cp++;
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line[j++] = binhex[c>>4];
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line[j++] = binhex[c&0xf];
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if (i&1) j++;
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line[42+k++] = c >= ' ' && c < 0x7f ? c : '.';
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if ((i & 15) == 15) {
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fprintf (fh, "\n%4x %s", ad, line);
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/*if (i==15) printf (" %d", length);*/
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memset (line, ' ', sizeof line);
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line[sizeof (line)-1] = j = k = 0;
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ad += 16;
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}
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}
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if (line[0] != ' ') fprintf (fh, "\n%4x %s", ad, line);
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fprintf(fh, "\n");
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return;
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}
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#define MAX_LINE_LENGTH 256
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/* Print a node's data, and any child nodes, in PostScript */
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static
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void proto_tree_print_node_ps(GNode *node, gpointer data)
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{
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field_info *fi = (field_info*) (node->data);
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print_data *pdata = (print_data*) data;
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gchar label_str[ITEM_LABEL_LENGTH];
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gchar *label_ptr;
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char psbuffer[MAX_LINE_LENGTH]; /* static sized buffer! */
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if (!fi->visible)
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return;
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/* was a free format label produced? */
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if (fi->representation) {
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label_ptr = fi->representation;
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}
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else { /* no, make a generic label */
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label_ptr = label_str;
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proto_item_fill_label(fi, label_str);
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}
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/* Print the text */
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ps_clean_string(psbuffer, label_ptr, MAX_LINE_LENGTH);
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fprintf(pdata->fh, "%d (%s) putline\n", pdata->level, psbuffer);
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/* If it's uninterpreted data, dump it. */
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if (fi->hfinfo->id == proto_data) {
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print_ps_hex(pdata->fh);
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dumpit_ps(pdata->fh, &pdata->pd[fi->start], fi->length);
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}
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/* Recurse into the subtree, if it exists */
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if (g_node_n_children(node) > 0) {
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pdata->level++;
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g_node_children_foreach(node, G_TRAVERSE_ALL,
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proto_tree_print_node_ps, pdata);
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pdata->level--;
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}
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}
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static
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void ps_clean_string(unsigned char *out, const unsigned char *in,
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int outbuf_size)
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{
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int rd, wr;
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char c;
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for (rd = 0, wr = 0 ; wr < outbuf_size; rd++, wr++ ) {
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|
c = in[rd];
|
|
switch (c) {
|
|
case '(':
|
|
case ')':
|
|
case '\\':
|
|
out[wr] = '\\';
|
|
out[++wr] = c;
|
|
break;
|
|
|
|
default:
|
|
out[wr] = c;
|
|
break;
|
|
}
|
|
|
|
if (c == 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static
|
|
void dumpit_ps (FILE *fh, register const u_char *cp, register u_int length)
|
|
{
|
|
register int ad, i, j, k;
|
|
u_char c;
|
|
u_char line[60];
|
|
static u_char binhex[16] = {
|
|
'0', '1', '2', '3', '4', '5', '6', '7',
|
|
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
|
|
u_char psline[MAX_LINE_LENGTH];
|
|
|
|
memset (line, ' ', sizeof line);
|
|
line[sizeof (line)-1] = 0;
|
|
for (ad=i=j=k=0; i<length; i++) {
|
|
c = *cp++;
|
|
line[j++] = binhex[c>>4];
|
|
line[j++] = binhex[c&0xf];
|
|
if (i&1) j++;
|
|
line[42+k++] = c >= ' ' && c < 0x7f ? c : '.';
|
|
if ((i & 15) == 15) {
|
|
ps_clean_string(psline, line, MAX_LINE_LENGTH);
|
|
fprintf (fh, "(%4x %s) hexdump\n", ad, psline);
|
|
memset (line, ' ', sizeof line);
|
|
line[sizeof (line)-1] = j = k = 0;
|
|
ad += 16;
|
|
}
|
|
}
|
|
|
|
if (line[0] != ' ') {
|
|
ps_clean_string(psline, line, MAX_LINE_LENGTH);
|
|
fprintf (fh, "(%4x %s) hexdump\n", ad, psline);
|
|
}
|
|
return;
|
|
|
|
}
|