diff options
Diffstat (limited to 'mkfs/mkfs.c')
| -rw-r--r-- | mkfs/mkfs.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/mkfs/mkfs.c b/mkfs/mkfs.c deleted file mode 100644 index 9ffbb94..0000000 --- a/mkfs/mkfs.c +++ /dev/null @@ -1,216 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * mkfs.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "mkfs.h" - -static int set_working_dir(options_t *opt) -{ - const char *ptr; - char *path; - - if (opt->packdir != NULL) { - if (chdir(opt->packdir)) { - perror(opt->packdir); - return -1; - } - return 0; - } - - ptr = strrchr(opt->infile, '/'); - if (ptr == NULL) - return 0; - - path = strndup(opt->infile, ptr - opt->infile); - if (path == NULL) { - perror("constructing input directory path"); - return -1; - } - - if (chdir(path)) { - perror(path); - free(path); - return -1; - } - - free(path); - return 0; -} - -static int pack_files(sqfs_block_processor_t *data, fstree_t *fs, - options_t *opt) -{ - sqfs_inode_generic_t **inode_ptr; - sqfs_u64 filesize; - sqfs_file_t *file; - tree_node_t *node; - const char *path; - char *node_path; - file_info_t *fi; - int flags; - int ret; - - if (set_working_dir(opt)) - return -1; - - for (fi = fs->files; fi != NULL; fi = fi->next) { - if (fi->input_file == NULL) { - node = container_of(fi, tree_node_t, data.file); - - node_path = fstree_get_path(node); - if (node_path == NULL) { - perror("reconstructing file path"); - return -1; - } - - ret = canonicalize_name(node_path); - assert(ret == 0); - - path = node_path; - } else { - node_path = NULL; - path = fi->input_file; - } - - if (!opt->cfg.quiet) - printf("packing %s\n", path); - - file = sqfs_open_file(path, SQFS_FILE_OPEN_READ_ONLY); - if (file == NULL) { - perror(path); - free(node_path); - return -1; - } - - flags = 0; - filesize = file->get_size(file); - - if (opt->no_tail_packing && filesize > opt->cfg.block_size) - flags |= SQFS_BLK_DONT_FRAGMENT; - - inode_ptr = (sqfs_inode_generic_t **)&fi->user_ptr; - - ret = write_data_from_file(path, data, inode_ptr, file, flags); - sqfs_destroy(file); - free(node_path); - - if (ret) - return -1; - } - - return 0; -} - -static int relabel_tree_dfs(const char *filename, sqfs_xattr_writer_t *xwr, - tree_node_t *n, void *selinux_handle) -{ - char *path = fstree_get_path(n); - int ret; - - if (path == NULL) { - perror("getting absolute node path for SELinux relabeling"); - return -1; - } - - ret = sqfs_xattr_writer_begin(xwr); - if (ret) { - sqfs_perror(filename, "recording xattr key-value pairs", ret); - return -1; - } - - if (selinux_relable_node(selinux_handle, xwr, n, path)) { - free(path); - return -1; - } - - ret = sqfs_xattr_writer_end(xwr, &n->xattr_idx); - if (ret) { - sqfs_perror(filename, "flushing completed key-value pairs", - ret); - return -1; - } - - free(path); - - if (S_ISDIR(n->mode)) { - for (n = n->data.dir.children; n != NULL; n = n->next) { - if (relabel_tree_dfs(filename, xwr, n, selinux_handle)) - return -1; - } - } - - return 0; -} - -static int read_fstree(fstree_t *fs, options_t *opt, sqfs_xattr_writer_t *xwr, - void *selinux_handle) -{ - FILE *fp; - int ret; - - if (opt->infile == NULL) { - return fstree_from_dir(fs, opt->packdir, selinux_handle, - xwr, opt->dirscan_flags); - } - - fp = fopen(opt->infile, "rb"); - if (fp == NULL) { - perror(opt->infile); - return -1; - } - - ret = fstree_from_file(fs, opt->infile, fp); - fclose(fp); - - if (ret == 0 && selinux_handle != NULL) - ret = relabel_tree_dfs(opt->cfg.filename, xwr, - fs->root, selinux_handle); - - return ret; -} - -int main(int argc, char **argv) -{ - int status = EXIT_FAILURE; - void *sehnd = NULL; - sqfs_writer_t sqfs; - options_t opt; - - process_command_line(&opt, argc, argv); - - if (sqfs_writer_init(&sqfs, &opt.cfg)) - return EXIT_FAILURE; - - if (opt.selinux != NULL) { - sehnd = selinux_open_context_file(opt.selinux); - if (sehnd == NULL) - goto out; - } - - if (read_fstree(&sqfs.fs, &opt, sqfs.xwr, sehnd)) { - if (sehnd != NULL) - selinux_close_context_file(sehnd); - goto out; - } - - if (sehnd != NULL) { - selinux_close_context_file(sehnd); - sehnd = NULL; - } - - if (fstree_post_process(&sqfs.fs)) - goto out; - - if (pack_files(sqfs.data, &sqfs.fs, &opt)) - goto out; - - if (sqfs_writer_finish(&sqfs, &opt.cfg)) - goto out; - - status = EXIT_SUCCESS; -out: - sqfs_writer_cleanup(&sqfs, status); - return status; -} |