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Diffstat (limited to 'lib/common/serialize_fstree.c')
-rw-r--r--lib/common/serialize_fstree.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/lib/common/serialize_fstree.c b/lib/common/serialize_fstree.c
deleted file mode 100644
index c69f0ea..0000000
--- a/lib/common/serialize_fstree.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * serialize_fstree.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "common.h"
-
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-static sqfs_inode_generic_t *tree_node_to_inode(tree_node_t *node)
-{
- sqfs_inode_generic_t *inode;
- size_t extra = 0;
-
- if (S_ISLNK(node->mode))
- extra = strlen(node->data.target);
-
- inode = calloc(1, sizeof(*inode) + extra);
- if (inode == NULL) {
- perror("creating inode");
- return NULL;
- }
-
- switch (node->mode & S_IFMT) {
- case S_IFSOCK:
- inode->base.type = SQFS_INODE_SOCKET;
- inode->data.ipc.nlink = node->link_count;
- break;
- case S_IFIFO:
- inode->base.type = SQFS_INODE_FIFO;
- inode->data.ipc.nlink = node->link_count;
- break;
- case S_IFLNK:
- inode->base.type = SQFS_INODE_SLINK;
- inode->data.slink.nlink = node->link_count;
- inode->data.slink.target_size = extra;
- memcpy(inode->extra, node->data.target, extra);
- break;
- case S_IFBLK:
- inode->base.type = SQFS_INODE_BDEV;
- inode->data.dev.nlink = node->link_count;
- inode->data.dev.devno = node->data.devno;
- break;
- case S_IFCHR:
- inode->base.type = SQFS_INODE_CDEV;
- inode->data.dev.nlink = node->link_count;
- inode->data.dev.devno = node->data.devno;
- break;
- default:
- assert(0);
- }
-
- return inode;
-}
-
-static sqfs_inode_generic_t *write_dir_entries(const char *filename,
- sqfs_dir_writer_t *dirw,
- tree_node_t *node)
-{
- sqfs_u32 xattr, parent_inode;
- sqfs_inode_generic_t *inode;
- tree_node_t *it, *tgt;
- int ret;
-
- ret = sqfs_dir_writer_begin(dirw, 0);
- if (ret)
- goto fail;
-
- for (it = node->data.dir.children; it != NULL; it = it->next) {
- if (it->mode == FSTREE_MODE_HARD_LINK_RESOLVED) {
- tgt = it->data.target_node;
- } else {
- tgt = it;
- }
-
- ret = sqfs_dir_writer_add_entry(dirw, it->name, tgt->inode_num,
- tgt->inode_ref, tgt->mode);
- if (ret)
- goto fail;
- }
-
- ret = sqfs_dir_writer_end(dirw);
- if (ret)
- goto fail;
-
- xattr = node->xattr_idx;
- parent_inode = (node->parent == NULL) ? 0 : node->parent->inode_num;
-
- inode = sqfs_dir_writer_create_inode(dirw, 0, xattr, parent_inode);
- if (inode == NULL) {
- ret = SQFS_ERROR_ALLOC;
- goto fail;
- }
-
- if (inode->base.type == SQFS_INODE_DIR) {
- inode->data.dir.nlink = node->link_count;
- } else {
- inode->data.dir_ext.nlink = node->link_count;
- }
-
- return inode;
-fail:
- sqfs_perror(filename, "recoding directory entries", ret);
- return NULL;
-}
-
-static int serialize_tree_node(const char *filename, sqfs_writer_t *wr,
- tree_node_t *n)
-{
- sqfs_inode_generic_t *inode;
- sqfs_u32 offset;
- sqfs_u64 block;
- int ret;
-
- if (S_ISDIR(n->mode)) {
- inode = write_dir_entries(filename, wr->dirwr, n);
- ret = SQFS_ERROR_INTERNAL;
- } else if (S_ISREG(n->mode)) {
- inode = n->data.file.user_ptr;
- n->data.file.user_ptr = NULL;
- ret = SQFS_ERROR_INTERNAL;
-
- if (inode->base.type == SQFS_INODE_FILE && n->link_count > 1) {
- sqfs_inode_make_extended(inode);
- inode->data.file_ext.nlink = n->link_count;
- } else {
- inode->data.file_ext.nlink = n->link_count;
- }
- } else {
- inode = tree_node_to_inode(n);
- ret = SQFS_ERROR_ALLOC;
- }
-
- if (inode == NULL)
- return ret;
-
- inode->base.mode = n->mode;
- inode->base.mod_time = n->mod_time;
- inode->base.inode_number = n->inode_num;
-
- sqfs_inode_set_xattr_index(inode, n->xattr_idx);
-
- ret = sqfs_id_table_id_to_index(wr->idtbl, n->uid,
- &inode->base.uid_idx);
- if (ret)
- goto out;
-
- ret = sqfs_id_table_id_to_index(wr->idtbl, n->gid,
- &inode->base.gid_idx);
- if (ret)
- goto out;
-
- sqfs_meta_writer_get_position(wr->im, &block, &offset);
- n->inode_ref = (block << 16) | offset;
-
- ret = sqfs_meta_writer_write_inode(wr->im, inode);
-out:
- free(inode);
- return ret;
-}
-
-int sqfs_serialize_fstree(const char *filename, sqfs_writer_t *wr)
-{
- size_t i;
- int ret;
-
- wr->super.inode_table_start = wr->outfile->get_size(wr->outfile);
-
- for (i = 0; i < wr->fs.unique_inode_count; ++i) {
- ret = serialize_tree_node(filename, wr, wr->fs.inodes[i]);
- if (ret)
- goto out;
- }
-
- ret = sqfs_meta_writer_flush(wr->im);
- if (ret)
- goto out;
-
- ret = sqfs_meta_writer_flush(wr->dm);
- if (ret)
- goto out;
-
- wr->super.root_inode_ref = wr->fs.root->inode_ref;
- wr->super.directory_table_start = wr->outfile->get_size(wr->outfile);
-
- ret = sqfs_meta_write_write_to_file(wr->dm);
- if (ret)
- goto out;
-
- ret = 0;
-out:
- if (ret)
- sqfs_perror(filename, "storing filesystem tree", ret);
- return ret;
-}