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|
/* rdps.c
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* takes the file listed as the first argument and creates the file listed
as the second argument. It takes a PostScript file and creates a C program
with 3 functions:
print_ps_preamble()
print_ps_hex()
print_ps_finale()
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define BUFFER_SIZE 1024
void start_code(FILE *fd, char *func);
void write_code(FILE *fd, char *string);
void end_code(FILE *fd);
void ps_clean_string(unsigned char *out, const unsigned char *in,
int outbuf_size);
enum ps_state { null, preamble, hex, finale };
int main(int argc, char **argv)
{
FILE *input;
FILE *output;
char buf[BUFFER_SIZE]; /* static sized buffer! */
enum ps_state state = null;
if (argc != 3) {
fprintf(stderr, "%s: input_file output_file\n", argv[0]);
exit(-1);
}
if (!(input = fopen(argv[1], "r"))) {
fprintf(stderr, "%s: cannot open %s for input.\n", argv[0], argv[1]);
exit(-1);
}
if (!(output = fopen(argv[2], "w"))) {
fprintf(stderr, "%s: cannot open %s for output.\n", argv[0], argv[2]);
exit(-1);
}
fprintf(output, "/* Created by rdps.c. Do not edit! */\n\n"
"#include <stdio.h>\n\n"
"#include <ps.h>\n\n");
while (fgets(buf, BUFFER_SIZE - 1, input)) {
if (state == null) {
if (strcmp(buf, "% ---- ethereal preamble start ---- %\n") == 0) {
state = preamble;
start_code(output, "preamble");
continue;
}
else if (strcmp(buf, "% ---- ethereal hex start ---- %\n") == 0) {
state = hex;
start_code(output, "hex");
continue;
}
else if (strcmp(buf, "% ---- ethereal finale start ---- %\n") == 0) {
state = finale;
start_code(output, "finale");
continue;
}
}
else if (state == preamble) {
if (strcmp(buf, "% ---- ethereal preamble end ---- %\n") == 0) {
state = null;
end_code(output);
continue;
}
else {
write_code(output, buf);
}
}
else if (state == hex) {
if (strcmp(buf, "% ---- ethereal hex end ---- %\n") == 0) {
state = null;
end_code(output);
continue;
}
else {
write_code(output, buf);
}
}
else if (state == finale) {
if (strcmp(buf, "% ---- ethereal finale end ---- %\n") == 0) {
state = null;
end_code(output);
continue;
}
else {
write_code(output, buf);
}
}
else {
fprintf(stderr, "NO MATCH:%s", buf);
exit(-1);
}
}
exit(0);
}
void start_code(FILE *fd, char *func)
{
fprintf(fd, "/* Created by rdps.c. Do not edit! */\n");
fprintf(fd, "void print_ps_%s(FILE *fd) {\n", func);
}
void write_code(FILE *fd, char *string)
{
char psbuf[BUFFER_SIZE];
ps_clean_string(psbuf, string, BUFFER_SIZE);
fprintf(fd, "\tfprintf(fd, \"%s\");\n", psbuf);
}
void end_code(FILE *fd)
{
fprintf(fd, "}\n\n\n");
}
void ps_clean_string(unsigned char *out, const unsigned char *in,
int outbuf_size)
{
int rd, wr;
char c;
for (rd = 0, wr = 0 ; wr < outbuf_size; rd++, wr++ ) {
c = in[rd];
switch (c) {
case '\\':
out[wr] = '\\';
out[++wr] = '\\';
out[++wr] = c;
break;
case '%':
out[wr] = '%';
out[++wr] = '%';
break;
case '\n':
out[wr] = '\\';
out[++wr] = 'n';
break;
default:
out[wr] = c;
break;
}
if (c == 0) {
break;
}
}
}
|
