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libisofs/demo/iso.c

193 lines
4.7 KiB

/*
* Little program to show how to create an iso image from a local
* directory.
*/
#include "libisofs.h"
#include "libburn/libburn.h"
#include <stdio.h>
#include <getopt.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <err.h>
const char * const optstring = "JRIL:b:hV:";
extern char *optarg;
extern int optind;
void usage(char **argv)
{
printf("%s [OPTIONS] DIRECTORY OUTPUT\n", argv[0]);
}
void help()
{
printf(
"Options:\n"
" -J Add Joliet support\n"
" -R Add Rock Ridge support\n"
" -I Add ISO 9660:1999 support\n"
" -V label Volume Label\n"
" -L <num> Set the ISO level (1 or 2)\n"
" -b file Specifies a boot image to add to image\n"
" -h Print this message\n"
);
}
int callback(IsoFileSource *src)
{
char *path = iso_file_source_get_path(src);
printf("CALLBACK: %s\n", path);
free(path);
return 1;
}
int main(int argc, char **argv)
{
int result;
int c;
IsoImage *image;
struct burn_source *burn_src;
unsigned char buf[2048];
FILE *fd;
char *volid = "VOLID";
char *boot_img = NULL;
Ecma119WriteOpts opts = {
1, /* level */
0, /* rockridge */
0, /* joliet */
0, /* iso1999 */
0, /* omit_version_numbers */
0, /* allow_deep_paths */
0, /* allow_longer_paths */
0, /* max_37_char_filenames */
0, /* no_force_dots */
0, /* allow_lowercase */
0, /* allow_full_ascii */
0, /* joliet_longer_paths */
0, /* sort files */
0, /* replace_dir_mode */
0, /* replace_file_mode */
0, /* replace_uid */
0, /* replace_gid */
0, /* dir_mode */
0, /* file_mode */
0, /* uid */
0, /* gid */
0, /* replace_timestamps */
0, /* timestamp */
NULL, /* output charset */
0, /* appendable */
0, /* ms_block */
NULL, /* overwrite */
1024 /* fifo_size */
};
while ((c = getopt(argc, argv, optstring)) != -1) {
switch(c) {
case 'h':
usage(argv);
help();
exit(0);
break;
case 'J':
opts.joliet = 1;
break;
case 'R':
opts.rockridge = 1;
break;
case 'I':
opts.iso1999 = 1;
break;
case 'L':
opts.level = atoi(optarg);
break;
case 'b':
boot_img = optarg;
break;
case 'V':
volid = optarg;
break;
case '?':
usage(argv);
exit(1);
break;
}
}
if (argc < 2) {
printf ("Please pass directory from which to build ISO\n");
usage(argv);
return 1;
}
if (argc < 3) {
printf ("Please supply output file\n");
usage(argv);
return 1;
}
fd = fopen(argv[optind+1], "w");
if (!fd) {
err(1, "error opening output file");
}
result = iso_init();
if (result < 0) {
printf ("Can't initialize libisofs\n");
return 1;
}
iso_set_msgs_severities("NEVER", "ALL", "");
result = iso_image_new(volid, &image);
if (result < 0) {
printf ("Error creating image\n");
return 1;
}
iso_tree_set_follow_symlinks(image, 0);
iso_tree_set_ignore_hidden(image, 0);
iso_tree_set_ignore_special(image, 0);
iso_set_abort_severity("SORRY");
iso_tree_set_report_callback(image, callback);
result = iso_tree_add_dir_rec(image, iso_image_get_root(image), argv[optind]);
if (result < 0) {
printf ("Error adding directory %d\n", result);
return 1;
}
if (boot_img) {
/* adds El-Torito boot info. Tunned for isolinux */
ElToritoBootImage *bootimg;
result = iso_image_set_boot_image(image, boot_img, ELTORITO_NO_EMUL,
"/isolinux/boot.cat", &bootimg);
if (result < 0) {
printf ("Error adding boot image %d\n", result);
return 1;
}
el_torito_set_load_size(bootimg, 4);
el_torito_patch_isolinux_image(bootimg);
}
result = iso_image_create_burn_source(image, &opts, &burn_src);
if (result < 0) {
printf ("Cant create image, error %d\n", result);
return 1;
}
while (burn_src->read_xt(burn_src, buf, 2048) == 2048) {
fwrite(buf, 1, 2048, fd);
}
fclose(fd);
burn_src->free_data(burn_src);
free(burn_src);
iso_image_unref(image);
iso_finish();
return 0;
}