diff options
author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2023-01-31 11:21:30 +0100 |
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committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2023-01-31 13:51:49 +0100 |
commit | cdccc69c62579b0c13b35fad0728079652b8f3c9 (patch) | |
tree | 9fa54c710f73c5e08a9c8466e7a712eb63ee07ac /bin/gensquashfs/mkfs.c | |
parent | 2182129c8f359c4fa1390eaba7a65b595ccd4182 (diff) |
Move library source into src sub-directory
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'bin/gensquashfs/mkfs.c')
-rw-r--r-- | bin/gensquashfs/mkfs.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/bin/gensquashfs/mkfs.c b/bin/gensquashfs/mkfs.c deleted file mode 100644 index c773dd7..0000000 --- a/bin/gensquashfs/mkfs.c +++ /dev/null @@ -1,215 +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 pack_files(sqfs_block_processor_t *data, fstree_t *fs, - options_t *opt) -{ - 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 (opt->packdir != NULL && chdir(opt->packdir) != 0) { - perror(opt->packdir); - 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 = fi->flags; - filesize = file->get_size(file); - - if (opt->no_tail_packing && filesize > opt->cfg.block_size) - flags |= SQFS_BLK_DONT_FRAGMENT; - - ret = write_data_from_file(path, data, &fi->inode, file, flags); - sqfs_drop(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, 0); - 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) -{ - int ret; - - ret = fstree_from_file(fs, opt->infile, opt->packdir); - - if (ret == 0 && selinux_handle != NULL) - ret = relabel_tree_dfs(opt->cfg.filename, xwr, - fs->root, selinux_handle); - - return ret; -} - -static void override_owner_dfs(const options_t *opt, tree_node_t *n) -{ - if (opt->force_uid) - n->uid = opt->force_uid_value; - - if (opt->force_gid) - n->gid = opt->force_gid_value; - - if (S_ISDIR(n->mode)) { - for (n = n->data.dir.children; n != NULL; n = n->next) - override_owner_dfs(opt, n); - } -} - -int main(int argc, char **argv) -{ - int status = EXIT_FAILURE; - istream_t *sortfile = NULL; - void *sehnd = NULL; - void *xattrmap = 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 (opt.xattr_file != NULL) { - xattrmap = xattr_open_map_file(opt.xattr_file); - if (xattrmap == NULL) - goto out; - } - - if (opt.sortfile != NULL) { - sortfile = istream_open_file(opt.sortfile); - if (sortfile == NULL) - goto out; - } - - if (opt.infile == NULL) { - if (fstree_from_dir(&sqfs.fs, sqfs.fs.root, opt.packdir, - NULL, NULL, opt.dirscan_flags)) { - goto out; - } - } else { - if (read_fstree(&sqfs.fs, &opt, sqfs.xwr, sehnd)) - goto out; - } - - if (opt.force_uid || opt.force_gid) - override_owner_dfs(&opt, sqfs.fs.root); - - if (fstree_post_process(&sqfs.fs)) - goto out; - - if (opt.infile == NULL) { - if (xattrs_from_dir(&sqfs.fs, opt.packdir, sehnd, xattrmap, - sqfs.xwr, opt.scan_xattr)) { - goto out; - } - } - - if (sortfile != NULL) { - if (fstree_sort_files(&sqfs.fs, sortfile)) - 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); - if (sehnd != NULL) - selinux_close_context_file(sehnd); - if (sortfile != NULL) - sqfs_drop(sortfile); - free(opt.packdir); - return status; -} |