void extract_cpio_gz(int fd) { archive_handle_t *archive_handle; unsigned char magic[2]; /* Initialise */ archive_handle = init_handle(); archive_handle->seek = seek_by_char; //archive_handle->action_header = header_list; archive_handle->action_data = data_extract_all; archive_handle->flags |= ARCHIVE_PRESERVE_DATE; archive_handle->flags |= ARCHIVE_CREATE_LEADING_DIRS; archive_handle->src_fd = fd; archive_handle->offset = 0; bb_xread_all(archive_handle->src_fd, &magic, 2); if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) { bb_error_msg_and_die("Invalid gzip magic"); } check_header_gzip(archive_handle->src_fd); bb_xchdir("/"); // Install RPM's to root archive_handle->src_fd = open_transformer(archive_handle->src_fd, inflate_gunzip); archive_handle->offset = 0; while (get_header_cpio(archive_handle) == EXIT_SUCCESS); }
int makedevs_main(int argc, char **argv) { FILE *table = stdin; char *rootdir = NULL; char *line = NULL; int linenum = 0; int ret = EXIT_SUCCESS; unsigned long flags; flags = bb_getopt_ulflags(argc, argv, "d:", &line); if (line) table = bb_xfopen(line, "r"); if (optind >= argc || (rootdir=argv[optind])==NULL) { bb_error_msg_and_die("root directory not specified"); } bb_xchdir(rootdir); umask(0); printf("rootdir=%s\n", rootdir); if (line) { printf("table='%s'\n", line); } else { printf("table=<stdin>\n"); } while ((line = bb_get_chomped_line_from_file(table))) { char type; unsigned int mode = 0755; unsigned int major = 0; unsigned int minor = 0; unsigned int count = 0; unsigned int increment = 0; unsigned int start = 0; char name[41]; char user[41]; char group[41]; char *full_name; uid_t uid; gid_t gid; linenum++; if ((2 > sscanf(line, "%40s %c %o %40s %40s %u %u %u %u %u", name, &type, &mode, user, group, &major, &minor, &start, &increment, &count)) || ((major | minor | start | count | increment) > 255)) { if (*line=='\0' || *line=='#' || isspace(*line)) continue; bb_error_msg("line %d invalid: '%s'\n", linenum, line); ret = EXIT_FAILURE; continue; } if (name[0] == '#') { continue; } gid = (*group) ? get_ug_id(group, bb_xgetgrnam) : getgid(); uid = (*user) ? get_ug_id(user, bb_xgetpwnam) : getuid(); full_name = concat_path_file(rootdir, name); if (type == 'd') { bb_make_directory(full_name, mode | S_IFDIR, FILEUTILS_RECUR); if (chown(full_name, uid, gid) == -1) { bb_perror_msg("line %d: chown failed for %s", linenum, full_name); ret = EXIT_FAILURE; goto loop; } if ((mode != -1) && (chmod(full_name, mode) < 0)){ bb_perror_msg("line %d: chmod failed for %s", linenum, full_name); ret = EXIT_FAILURE; goto loop; } } else if (type == 'f') { struct stat st; if ((stat(full_name, &st) < 0 || !S_ISREG(st.st_mode))) { bb_perror_msg("line %d: regular file '%s' does not exist", linenum, full_name); ret = EXIT_FAILURE; goto loop; } if (chown(full_name, uid, gid) == -1) { bb_perror_msg("line %d: chown failed for %s", linenum, full_name); ret = EXIT_FAILURE; goto loop; } if ((mode != -1) && (chmod(full_name, mode) < 0)){ bb_perror_msg("line %d: chmod failed for %s", linenum, full_name); ret = EXIT_FAILURE; goto loop; } } else { dev_t rdev; if (type == 'p') { mode |= S_IFIFO; } else if (type == 'c') { mode |= S_IFCHR; } else if (type == 'b') { mode |= S_IFBLK; } else { bb_error_msg("line %d: unsupported file type %c", linenum, type); ret = EXIT_FAILURE; goto loop; } if (count > 0) { int i; char *full_name_inc; full_name_inc = xmalloc(strlen(full_name) + 4); for (i = start; i < count; i++) { sprintf(full_name_inc, "%s%d", full_name, i); rdev = (major << 8) + minor + (i * increment - start); if (mknod(full_name_inc, mode, rdev) == -1) { bb_perror_msg("line %d: could not create node %s", linenum, full_name_inc); ret = EXIT_FAILURE; } else if (chown(full_name_inc, uid, gid) == -1) { bb_perror_msg("line %d: chown failed for %s", linenum, full_name_inc); ret = EXIT_FAILURE; } if ((mode != -1) && (chmod(full_name_inc, mode) < 0)){ bb_perror_msg("line %d: chmod failed for %s", linenum, full_name_inc); ret = EXIT_FAILURE; } } free(full_name_inc); } else { rdev = (major << 8) + minor; if (mknod(full_name, mode, rdev) == -1) { bb_perror_msg("line %d: could not create node %s", linenum, full_name); ret = EXIT_FAILURE; } else if (chown(full_name, uid, gid) == -1) { bb_perror_msg("line %d: chown failed for %s", linenum, full_name); ret = EXIT_FAILURE; } if ((mode != -1) && (chmod(full_name, mode) < 0)){ bb_perror_msg("line %d: chmod failed for %s", linenum, full_name); ret = EXIT_FAILURE; } } } loop: free(line); free(full_name); } fclose(table); return ret; }