/* print.c
* Routines for printing packet analysis trees.
*
- * $Id: print.c,v 1.21 1999/09/29 22:19:13 guy Exp $
+ * $Id: print.c,v 1.38 2001/12/18 21:31:02 gram Exp $
*
- * Gilbert Ramirez <gram@verdict.uthscsa.edu>
+ * Gilbert Ramirez <gram@alumni.rice.edu>
*
* 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
#include <stdio.h>
#include <string.h>
-#include <gtk/gtk.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include "packet.h"
-#include "prefs.h"
#include "print.h"
#include "ps.h"
+#include "util.h"
+#include "tvbuff.h"
static void proto_tree_print_node_text(GNode *node, gpointer data);
static void proto_tree_print_node_ps(GNode *node, gpointer data);
static void ps_clean_string(unsigned char *out, const unsigned char *in,
int outbuf_size);
-static void print_hex_data_ps(FILE *fh, register const u_char *cp, register u_int length);
+static void print_hex_data_text(FILE *fh, register const u_char *cp,
+ register u_int length, char_enc encoding);
+static void print_hex_data_ps(FILE *fh, register const u_char *cp,
+ register u_int length, char_enc encoding);
extern int proto_data; /* in packet-data.c */
typedef struct {
int level;
FILE *fh;
- const guint8 *pd;
+ GSList *src_list;
gboolean print_all_levels;
gboolean print_hex_for_data;
+ char_enc encoding;
} print_data;
FILE *open_print_dest(int to_file, const char *dest)
pclose(fh);
}
-void print_preamble(FILE *fh)
+void print_preamble(FILE *fh, gint format)
{
- if (prefs.pr_format == PR_FMT_PS)
+ if (format == PR_FMT_PS)
print_ps_preamble(fh);
}
-void print_finale(FILE *fh)
+void print_finale(FILE *fh, gint format)
{
- if (prefs.pr_format == PR_FMT_PS)
+ if (format == PR_FMT_PS)
print_ps_finale(fh);
}
void proto_tree_print(gboolean print_one_packet, print_args_t *print_args,
- GNode *protocol_tree, const u_char *pd, frame_data *fd, FILE *fh)
+ GNode *protocol_tree, frame_data *fd, FILE *fh)
{
print_data data;
/* Create the output */
data.level = 0;
data.fh = fh;
- data.pd = pd;
+ data.src_list = fd->data_src;
+ data.encoding = fd->flags.encoding;
data.print_all_levels = print_args->expand_all;
data.print_hex_for_data = !print_args->print_hex;
/* If we're printing the entire packet in hex, don't
print uninterpreted data fields in hex as well. */
- /* XXX - printing multiple frames in PostScript looks as if it's
- tricky - you have to deal with page boundaries, I think -
- and I'll have to spend some time learning enough about
- PostScript to figure it out, so, for now, we only print
- multiple frames as text. */
- if (prefs.pr_format == PR_FMT_TEXT || !print_one_packet) {
+ if (print_args->format == PR_FMT_TEXT) {
g_node_children_foreach((GNode*) protocol_tree, G_TRAVERSE_ALL,
proto_tree_print_node_text, &data);
} else {
}
}
+/*
+ * Find the data source tvbuff with a specified name, and return a
+ * pointer to the data in it.
+ */
+static const guint8 *
+get_field_data(GSList *src_list, field_info *fi)
+{
+ GSList *src;
+ tvbuff_t *src_tvb;
+
+ for (src = src_list; src != NULL; src = g_slist_next(src)) {
+ src_tvb = src->data;
+ if (strcmp(fi->ds_name, tvb_get_name(src_tvb)) == 0) {
+ /*
+ * Found it.
+ */
+ return tvb_get_ptr(src_tvb, fi->start, fi->length);
+ }
+ }
+ g_assert_not_reached();
+ return NULL; /* not found */
+}
+
/* Print a tree's data, and any child nodes, in plain text */
static
void proto_tree_print_node_text(GNode *node, gpointer data)
{
- field_info *fi = (field_info*) (node->data);
+ field_info *fi = PITEM_FINFO(node);
print_data *pdata = (print_data*) data;
int i;
int num_spaces;
char space[41];
+ const guint8 *pd;
gchar label_str[ITEM_LABEL_LENGTH];
gchar *label_ptr;
/* If it's uninterpreted data, dump it (unless our caller will
be printing the entire packet in hex). */
- if (fi->hfinfo->id == proto_data && pdata->print_hex_for_data)
- print_hex_data(pdata->fh, &pdata->pd[fi->start], fi->length);
+ if (fi->hfinfo->id == proto_data && pdata->print_hex_for_data) {
+ /*
+ * Find the data for this field.
+ */
+ pd = get_field_data(pdata->src_list, fi);
+ print_hex_data_text(pdata->fh, pd, fi->length, pdata->encoding);
+ }
/* If we're printing all levels, or if this level is expanded,
recurse into the subtree, if it exists. */
}
}
+void print_hex_data(FILE *fh, gint format, frame_data *fd)
+{
+ gboolean multiple_sources;
+ GSList *src;
+ tvbuff_t *tvb;
+ char *name;
+ char *line;
+ const u_char *cp;
+ guint length;
+
+ /*
+ * Set "multiple_sources" iff this frame has more than one
+ * data source; if it does, we need to print the name of
+ * the data source before printing the data from the
+ * data source.
+ */
+ multiple_sources = (fd->data_src->next != NULL);
+
+ for (src = fd->data_src; src != NULL; src = src->next) {
+ tvb = src->data;
+ if (multiple_sources) {
+ name = tvb_get_name(tvb);
+ print_line(fh, format, "\n");
+ line = g_malloc(strlen(name) + 3); /* <name>:\n\0 */
+ strcpy(line, name);
+ strcat(line, ":\n");
+ print_line(fh, format, line);
+ g_free(line);
+ }
+ length = tvb_length(tvb);
+ cp = tvb_get_ptr(tvb, 0, length);
+ if (format == PR_FMT_PS)
+ print_hex_data_ps(fh, cp, length, fd->flags.encoding);
+ else
+ print_hex_data_text(fh, cp, length, fd->flags.encoding);
+ }
+}
+
/* This routine was created by Dan Lasley <DLASLEY@PROMUS.com>, and
only slightly modified for ethereal by Gilbert Ramirez. */
-void print_hex_data(FILE *fh, register const u_char *cp, register u_int length)
+static
+void print_hex_data_text(FILE *fh, register const u_char *cp,
+ register u_int length, char_enc encoding)
{
- register int ad, i, j, k;
+ register unsigned 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 line[80];
+ static u_char binhex[16] = {
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
memset (line, ' ', sizeof line);
line[sizeof (line)-1] = 0;
c = *cp++;
line[j++] = binhex[c>>4];
line[j++] = binhex[c&0xf];
- if (i&1) j++;
- line[42+k++] = c >= ' ' && c < 0x7f ? c : '.';
+ j++;
+ if (encoding == CHAR_EBCDIC) {
+ c = EBCDIC_to_ASCII1(c);
+ }
+ line[50+k++] = c >= ' ' && c < 0x7f ? c : '.';
if ((i & 15) == 15) {
- fprintf (fh, "\n%4x %s", ad, line);
+ fprintf (fh, "\n%04x %s", ad, line);
/*if (i==15) printf (" %d", length);*/
memset (line, ' ', sizeof line);
line[sizeof (line)-1] = j = k = 0;
}
}
- if (line[0] != ' ') fprintf (fh, "\n%4x %s", ad, line);
+ if (line[0] != ' ') fprintf (fh, "\n%04x %s", ad, line);
fprintf(fh, "\n");
return;
static
void proto_tree_print_node_ps(GNode *node, gpointer data)
{
- field_info *fi = (field_info*) (node->data);
+ field_info *fi = PITEM_FINFO(node);
print_data *pdata = (print_data*) data;
gchar label_str[ITEM_LABEL_LENGTH];
gchar *label_ptr;
+ const guint8 *pd;
char psbuffer[MAX_LINE_LENGTH]; /* static sized buffer! */
if (!fi->visible)
ps_clean_string(psbuffer, label_ptr, MAX_LINE_LENGTH);
fprintf(pdata->fh, "%d (%s) putline\n", pdata->level, psbuffer);
- /* If it's uninterpreted data, dump it. */
- if (fi->hfinfo->id == proto_data) {
- print_ps_hex(pdata->fh);
- print_hex_data_ps(pdata->fh, &pdata->pd[fi->start], fi->length);
+ /* If it's uninterpreted data, dump it (unless our caller will
+ be printing the entire packet in hex). */
+ if (fi->hfinfo->id == proto_data && pdata->print_hex_for_data) {
+ /*
+ * Find the data for this field.
+ */
+ pd = get_field_data(pdata->src_list, fi);
+ print_hex_data_ps(pdata->fh, pd, fi->length, pdata->encoding);
}
/* Recurse into the subtree, if it exists */
}
static
-void print_hex_data_ps(FILE *fh, register const u_char *cp, register u_int length)
+void print_hex_data_ps(FILE *fh, register const u_char *cp,
+ register u_int length, char_enc encoding)
{
- register int ad, i, j, k;
+ register unsigned 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];
+ 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];
+ print_ps_hex(fh);
memset (line, ' ', sizeof line);
line[sizeof (line)-1] = 0;
for (ad=i=j=k=0; i<length; i++) {
line[j++] = binhex[c>>4];
line[j++] = binhex[c&0xf];
if (i&1) j++;
+ if (encoding == CHAR_EBCDIC) {
+ c = EBCDIC_to_ASCII1(c);
+ }
line[42+k++] = c >= ' ' && c < 0x7f ? c : '.';
if ((i & 15) == 15) {
- ps_clean_string(psline, line, MAX_LINE_LENGTH);
+ 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;
}
if (line[0] != ' ') {
- ps_clean_string(psline, line, MAX_LINE_LENGTH);
- fprintf (fh, "(%4x %s) hexdump\n", ad, psline);
- }
+ ps_clean_string(psline, line, MAX_LINE_LENGTH);
+ fprintf (fh, "(%4x %s) hexdump\n", ad, psline);
+ }
return;
}
+
+void print_line(FILE *fh, gint format, char *line)
+{
+ char psbuffer[MAX_LINE_LENGTH]; /* static sized buffer! */
+
+ if (format == PR_FMT_PS) {
+ ps_clean_string(psbuffer, line, MAX_LINE_LENGTH);
+ fprintf(fh, "(%s) hexdump\n", psbuffer);
+ } else
+ fputs(line, fh);
+}