166 lines
3.9 KiB
C
166 lines
3.9 KiB
C
/*
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* Little program to output the contents of an iso image.
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* Note that this is not an API example, but a little program for test
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* purposes.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include "messages.h"
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#include "libisofs.h"
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#include "fs_image.h"
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static void
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print_permissions(mode_t mode)
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{
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char perm[10];
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//TODO suid, sticky...
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perm[9] = '\0';
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perm[8] = mode & S_IXOTH ? 'x' : '-';
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perm[7] = mode & S_IWOTH ? 'w' : '-';
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perm[6] = mode & S_IROTH ? 'r' : '-';
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perm[5] = mode & S_IXGRP ? 'x' : '-';
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perm[4] = mode & S_IWGRP ? 'w' : '-';
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perm[3] = mode & S_IRGRP ? 'r' : '-';
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perm[2] = mode & S_IXUSR ? 'x' : '-';
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perm[1] = mode & S_IWUSR ? 'w' : '-';
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perm[0] = mode & S_IRUSR ? 'r' : '-';
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printf(" %s ",perm);
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}
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static void
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print_type(mode_t mode)
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{
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switch(mode & S_IFMT) {
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case S_IFSOCK: printf("[S] "); break;
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case S_IFLNK: printf("[L] "); break;
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case S_IFREG: printf("[R] "); break;
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case S_IFBLK: printf("[B] "); break;
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case S_IFDIR: printf("[D] "); break;
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case S_IFIFO: printf("[F] "); break;
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}
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}
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static void
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print_file_src(IsoFileSource *file)
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{
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struct stat info;
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char *name;
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iso_file_source_lstat(file, &info);
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print_type(info.st_mode);
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print_permissions(info.st_mode);
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//printf(" {%ld,%ld} ", (long)info.st_dev, (long)info.st_ino);
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name = iso_file_source_get_name(file);
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printf(" %s", name);
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free(name);
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if (S_ISLNK(info.st_mode)) {
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char buf[PATH_MAX];
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iso_file_source_readlink(file, buf, PATH_MAX);
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printf(" -> %s\n", buf);
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}
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printf("\n");
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}
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static void
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print_dir(IsoFileSource *dir, int level)
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{
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int ret, i;
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IsoFileSource *file;
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struct stat info;
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char *sp = alloca(level * 2 + 1);
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for (i = 0; i < level * 2; i += 2) {
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sp[i] = '|';
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sp[i+1] = ' ';
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}
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sp[level * 2-1] = '-';
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sp[level * 2] = '\0';
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ret = iso_file_source_open(dir);
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if (ret < 0) {
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printf ("Can't open dir %d\n", ret);
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}
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while ((ret = iso_file_source_readdir(dir, &file)) == 1) {
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printf("%s", sp);
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print_file_src(file);
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ret = iso_file_source_lstat(file, &info);
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if (ret < 0) {
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break;
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}
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if (S_ISDIR(info.st_mode)) {
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print_dir(file, level + 1);
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}
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iso_file_source_unref(file);
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}
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iso_file_source_close(dir);
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if (ret < 0) {
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printf ("Can't print dir\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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int result;
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IsoImageFilesystem *fs;
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IsoDataSource *src;
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IsoFileSource *root;
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struct libiso_msgs *messenger;
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struct iso_read_opts opts = {
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0, /* block */
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0, /* norock */
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0, /* nojoliet */
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0, /* preferjoliet */
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0, /* uid; */
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0, /* gid; */
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0, /* mode */
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NULL /* input_charset */
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};
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if (argc != 2) {
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printf ("You need to specify a valid path\n");
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return 1;
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}
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result = libiso_msgs_new(&messenger, 0);
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if (result <= 0) {
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printf ("Can't create messenger\n");
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return 1;
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}
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libiso_msgs_set_severities(messenger, LIBISO_MSGS_SEV_NEVER,
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LIBISO_MSGS_SEV_ALL, "", 0);
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result = iso_data_source_new_from_file(argv[1], &src);
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if (result < 0) {
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printf ("Error creating data source\n");
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return 1;
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}
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result = iso_image_filesystem_new(src, &opts, messenger, &fs);
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if (result < 0) {
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printf ("Error creating filesystem\n");
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return 1;
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}
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result = fs->fs.get_root((IsoFilesystem*)fs, &root);
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if (result < 0) {
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printf ("Can't get root %d\n", result);
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return 1;
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}
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//print_file_src(root);
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print_dir(root, 0);
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iso_file_source_unref(root);
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fs->close(fs);
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iso_filesystem_unref((IsoFilesystem*)fs);
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iso_data_source_unref(src);
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libiso_msgs_destroy(&messenger, 0);
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return 0;
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}
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