X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Funix_capture.c;h=151b0b47a16a96c8a0253312ab57171bec7c922a;hp=8fb4cba886af80b0b7abed9070add7d78dd1b8b6;hb=79d279cf4581fc0295576e33a28faf65686bee2c;hpb=daf72364fc96380cdc0d8ceeeda640d82930f1b9 diff --git a/src/unix_capture.c b/src/unix_capture.c index 8fb4cba8..151b0b47 100644 --- a/src/unix_capture.c +++ b/src/unix_capture.c @@ -5,20 +5,18 @@ /* * Copyright (C) 2012, 2013, 2014 Eric Biggers * - * This file is part of wimlib, a library for working with WIM files. + * This file is free software; you can redistribute it and/or modify it under + * the terms of the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 3 of the License, or (at your option) any + * later version. * - * wimlib is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free - * Software Foundation; either version 3 of the License, or (at your option) - * any later version. - * - * wimlib is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - * A PARTICULAR PURPOSE. See the GNU General Public License for more + * This file is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. * - * You should have received a copy of the GNU General Public License - * along with wimlib; if not, see http://www.gnu.org/licenses/. + * You should have received a copy of the GNU Lesser General Public License + * along with this file; if not, see http://www.gnu.org/licenses/. */ #ifndef __WIN32__ @@ -123,6 +121,7 @@ unix_scan_regular_file(const char *path, u64 size, struct wim_inode *inode, return WIMLIB_ERR_NOMEM; } lte->file_on_disk = file_on_disk; + lte->file_inode = inode; lte->resource_location = RESOURCE_IN_FILE_ON_DISK; lte->size = size; add_unhashed_stream(lte, inode, 0, unhashed_streams); @@ -134,13 +133,13 @@ static int unix_build_dentry_tree_recursive(struct wim_dentry **tree_ret, char *path, size_t path_len, int dirfd, const char *relpath, - struct add_image_params *params); + struct capture_params *params); static int unix_scan_directory(struct wim_dentry *dir_dentry, char *full_path, size_t full_path_len, int parent_dirfd, const char *dir_relpath, - struct add_image_params *params) + struct capture_params *params) { int dirfd; @@ -251,9 +250,8 @@ unix_fixup_abslink(char *dest, u64 ino, u64 dev) } static int -unix_scan_symlink(struct wim_dentry **root_p, const char *full_path, - int dirfd, const char *relpath, - struct wim_inode *inode, struct add_image_params *params) +unix_scan_symlink(const char *full_path, int dirfd, const char *relpath, + struct wim_inode *inode, struct capture_params *params) { char deref_name_buf[4096]; ssize_t deref_name_len; @@ -281,31 +279,33 @@ unix_scan_symlink(struct wim_dentry **root_p, const char *full_path, if ((params->add_flags & WIMLIB_ADD_FLAG_RPFIX) && dest[0] == '/') { + char *fixed_dest; + /* RPFIX (reparse point fixup) mode: Change target of absolute * symbolic link to be "absolute" relative to the tree being * captured. */ - dest = unix_fixup_abslink(dest, - params->capture_root_ino, - params->capture_root_dev); + fixed_dest = unix_fixup_abslink(dest, + params->capture_root_ino, + params->capture_root_dev); params->progress.scan.cur_path = full_path; params->progress.scan.symlink_target = deref_name_buf; - if (dest) { - /* Successfully fixed the link target. */ + if (fixed_dest) { + /* Link points inside the tree being captured, so it was + * fixed. */ inode->i_not_rpfixed = 0; + dest = fixed_dest; ret = do_capture_progress(params, WIMLIB_SCAN_DENTRY_FIXED_SYMLINK, NULL); - if (ret) - return ret; } else { - /* Link points outside of the tree being captured. - * Exclude it. */ - free_dentry(*root_p); - *root_p = NULL; - return do_capture_progress(params, - WIMLIB_SCAN_DENTRY_EXCLUDED_SYMLINK, - NULL); + /* Link points outside the tree being captured, so it + * was not fixed. */ + ret = do_capture_progress(params, + WIMLIB_SCAN_DENTRY_NOT_FIXED_SYMLINK, + NULL); } + if (ret) + return ret; } ret = wim_inode_set_symlink(inode, dest, params->lookup_table); if (ret) @@ -326,7 +326,7 @@ static int unix_build_dentry_tree_recursive(struct wim_dentry **tree_ret, char *full_path, size_t full_path_len, int dirfd, const char *relpath, - struct add_image_params *params) + struct capture_params *params) { struct wim_dentry *tree = NULL; struct wim_inode *inode = NULL; @@ -334,13 +334,11 @@ unix_build_dentry_tree_recursive(struct wim_dentry **tree_ret, struct stat stbuf; int stat_flags; - if (should_exclude_path(full_path + params->capture_root_nchars, - full_path_len - params->capture_root_nchars, - params->config)) - { - ret = 0; + ret = try_exclude(full_path, full_path_len, params); + if (ret < 0) /* Excluded? */ goto out_progress; - } + if (ret > 0) /* Error? */ + goto out; if (params->add_flags & (WIMLIB_ADD_FLAG_DEREFERENCE | WIMLIB_ADD_FLAG_ROOT)) @@ -385,11 +383,9 @@ unix_build_dentry_tree_recursive(struct wim_dentry **tree_ret, inode = tree->d_inode; - if (inode->i_nlink > 1) { - /* Already seen this inode? */ - ret = 0; + /* Already seen this inode? */ + if (inode->i_nlink > 1) goto out_progress; - } #ifdef HAVE_STAT_NANOSECOND_PRECISION inode->i_creation_time = timespec_to_wim_timestamp(stbuf.st_mtim); @@ -427,10 +423,8 @@ unix_build_dentry_tree_recursive(struct wim_dentry **tree_ret, ret = unix_scan_directory(tree, full_path, full_path_len, dirfd, relpath, params); } else if (S_ISLNK(stbuf.st_mode)) { - ret = unix_scan_symlink(&tree, full_path, dirfd, relpath, + ret = unix_scan_symlink(full_path, dirfd, relpath, inode, params); - if (!tree) - goto out; } if (ret) @@ -443,10 +437,12 @@ out_progress: else ret = do_capture_progress(params, WIMLIB_SCAN_DENTRY_EXCLUDED, NULL); out: - if (likely(ret == 0)) - *tree_ret = tree; - else + if (unlikely(ret)) { free_dentry_tree(tree, params->lookup_table); + tree = NULL; + ret = report_capture_error(params, ret, full_path); + } + *tree_ret = tree; return ret; } @@ -461,7 +457,7 @@ out: * * @root_disk_path: The path to the root of the directory tree on disk. * - * @params: See doc for `struct add_image_params'. + * @params: See doc for `struct capture_params'. * * @return: 0 on success, nonzero on failure. It is a failure if any of * the files cannot be `stat'ed, or if any of the needed @@ -473,7 +469,7 @@ out: int unix_build_dentry_tree(struct wim_dentry **root_ret, const char *root_disk_path, - struct add_image_params *params) + struct capture_params *params) { size_t path_len; size_t path_bufsz;