172 lines
3.5 KiB
C
172 lines
3.5 KiB
C
/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
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/* vim: set ts=8 sts=8 sw=8 noet : */
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#define _GNU_SOURCE
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#include "libisofs.h"
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#include "libburn/libburn.h"
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#include <getopt.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <string.h>
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#include <err.h>
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#define SECSIZE 2048
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const char * const optstring = "JRL:h";
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extern char *optarg;
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extern int optind;
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void usage()
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{
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printf("test [OPTIONS] DISC DIRECTORY\n");
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}
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void help()
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{
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printf(
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"Options:\n"
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" -J Add Joliet support\n"
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" -R Add Rock Ridge support\n"
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" -L <num> Set the ISO level (1 or 2)\n"
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" -h Print this message\n"
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);
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}
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int main(int argc, char **argv)
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{
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struct ecma119_source_opts wopts;
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struct ecma119_read_opts ropts;
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struct data_source *rsrc;
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struct iso_volset *volset;
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struct iso_volume *volume;
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struct iso_tree_node_dir *root;
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struct burn_source *wsrc;
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unsigned char buf[2048];
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int fd;
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int c;
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int constraints;
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struct iso_tree_radd_dir_behavior behav = {0,0,0};
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int level=1, flags=0;
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char *boot_img = NULL;
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while ((c = getopt(argc, argv, optstring)) != -1) {
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switch(c) {
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case 'h':
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usage();
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help();
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exit(0);
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break;
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case 'J':
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flags |= ECMA119_JOLIET;
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break;
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case 'R':
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flags |= ECMA119_ROCKRIDGE;
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break;
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case 'L':
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level = atoi(optarg);
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break;
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case '?':
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usage();
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exit(1);
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break;
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}
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}
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if (argc < optind + 1) {
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printf ("Please supply device name\n");
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usage();
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return 1;
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}
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if (argc < optind + 2) {
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printf ("Please supply directory to add to disc\n");
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usage();
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return 1;
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}
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if (!iso_init()) {
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err(1, "Can't init libisofs");
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}
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iso_msgs_set_severities("NEVER", "ALL", "");
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printf("Reading from %s\n", argv[optind]);
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rsrc = data_source_from_file(argv[optind]);
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if (rsrc == NULL) {
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printf ("Can't open device\n");
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return 1;
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}
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ropts.block = 0; /* image always start on first block */
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ropts.norock = 0;
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ropts.nojoliet = 0;
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ropts.preferjoliet = 0;
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ropts.mode = 0555;
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ropts.uid = 0;
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ropts.gid = 0;
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volset = iso_volset_read(rsrc, &ropts);
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if (volset == NULL) {
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printf ("Error reading image\n");
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return 1;
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}
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printf("Image size: %d blocks.\n", ropts.size);
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/* close source, no more needed */
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data_source_free(rsrc);
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root = iso_volume_get_root(iso_volset_get_volume(volset, 0));
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/* add a new dir */
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iso_tree_radd_dir(root, argv[optind+1], &behav);
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memset(&wopts, 0, sizeof(struct ecma119_source_opts));
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wopts.level = level;
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wopts.flags = flags;
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wopts.relaxed_constraints = 0;
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wopts.input_charset = "UTF-8";
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wopts.ouput_charset = "UTF-8";
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wopts.ms_block = ropts.size;
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wopts.dvd_plus_rw = 1;
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wsrc = iso_source_new_ecma119(volset, &wopts);
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fd = open(argv[optind], O_WRONLY);
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if ( fd == -1 ) {
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printf ("Can't write to disc\n");
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return 1;
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}
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printf("HERE %d\n", wopts.vol_desc_count);
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/* a. write the new image */
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printf("Adding new data...\n");
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if ( lseek(fd, ropts.size * 2048, SEEK_SET) == (off_t) -1) {
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printf ("Can't seek to new location\n");
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return 1;
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}
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while (wsrc->read(wsrc, buf, 2048) == 2048) {
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write(fd, buf, 2048);
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}
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/* b. write the new vol desc */
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printf("Writing the new vol desc...\n");
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if ( lseek(fd, 16 * 2048, SEEK_SET) == (off_t) -1) {
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printf ("Can't seek to 16th sector\n");
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return 1;
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}
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write(fd, wopts.vol_desc, 2048 * wopts.vol_desc_count);
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fsync(fd);
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close(fd);
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iso_finish();
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return 0;
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}
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