X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Funix_capture.c;h=a61d91f25f61fdc5f2cf6b924f0db2a9e60c37da;hb=3de1ec66f778edda19865482d685bc6f4e17faf7;hp=a72d3ad3fc8f033ab5910aeb4bf80ec495451be2;hpb=27b30056e4520e9b5b9d0846f438311746345f83;p=wimlib diff --git a/src/unix_capture.c b/src/unix_capture.c index a72d3ad3..a61d91f2 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__ @@ -34,10 +32,10 @@ #include #include +#include "wimlib/blob_table.h" #include "wimlib/capture.h" #include "wimlib/dentry.h" #include "wimlib/error.h" -#include "wimlib/lookup_table.h" #include "wimlib/reparse.h" #include "wimlib/timestamp.h" #include "wimlib/unix_data.h" @@ -103,30 +101,36 @@ my_fdopendir(int *dirfd_p) static int unix_scan_regular_file(const char *path, u64 size, struct wim_inode *inode, - struct list_head *unhashed_streams) + struct list_head *unhashed_blobs) { - struct wim_lookup_table_entry *lte; - char *file_on_disk; + struct blob_descriptor *blob; + struct wim_inode_stream *strm; inode->i_attributes = FILE_ATTRIBUTE_NORMAL; - /* Empty files do not have to have a lookup table entry. */ - if (!size) - return 0; + if (size) { + char *file_on_disk = STRDUP(path); + if (!file_on_disk) + return WIMLIB_ERR_NOMEM; + blob = new_blob_descriptor(); + if (!blob) { + FREE(file_on_disk); + return WIMLIB_ERR_NOMEM; + } + blob->file_on_disk = file_on_disk; + blob->file_inode = inode; + blob->blob_location = BLOB_IN_FILE_ON_DISK; + blob->size = size; + } else { + blob = NULL; + } - file_on_disk = STRDUP(path); - if (!file_on_disk) - return WIMLIB_ERR_NOMEM; - lte = new_lookup_table_entry(); - if (!lte) { - FREE(file_on_disk); + strm = inode_add_stream(inode, STREAM_TYPE_DATA, NO_STREAM_NAME, blob); + if (!strm) { + free_blob_descriptor(blob); return WIMLIB_ERR_NOMEM; } - lte->file_on_disk = file_on_disk; - lte->resource_location = RESOURCE_IN_FILE_ON_DISK; - lte->size = size; - add_unhashed_stream(lte, inode, 0, unhashed_streams); - inode->i_lte = lte; + prepare_unhashed_blob(blob, inode, strm->stream_id, unhashed_blobs); return 0; } @@ -134,13 +138,13 @@ 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 +255,8 @@ 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; @@ -281,24 +284,35 @@ unix_scan_symlink(struct wim_dentry **root_p, const char *full_path, if ((params->add_flags & WIMLIB_ADD_FLAG_RPFIX) && dest[0] == '/') { - dest = unix_fixup_abslink(dest, - params->capture_root_ino, - params->capture_root_dev); - if (!dest) { - /* RPFIX (reparse point fixup) mode: Ignore - * absolute symbolic link that points out of the - * tree to be captured. */ - free_dentry(*root_p); - *root_p = NULL; - params->progress.scan.cur_path = full_path; - params->progress.scan.symlink_target = deref_name_buf; - return do_capture_progress(params, - WIMLIB_SCAN_DENTRY_EXCLUDED_SYMLINK, - NULL); + char *fixed_dest; + + /* RPFIX (reparse point fixup) mode: Change target of absolute + * symbolic link to be "absolute" relative to the tree being + * captured. */ + 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 (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); + } else { + /* Link points outside the tree being captured, so it + * was not fixed. */ + ret = do_capture_progress(params, + WIMLIB_SCAN_DENTRY_NOT_FIXED_SYMLINK, + NULL); } - inode->i_not_rpfixed = 0; + if (ret) + return ret; } - ret = wim_inode_set_symlink(inode, dest, params->lookup_table); + ret = wim_inode_set_symlink(inode, dest, params->blob_table); if (ret) return ret; @@ -317,7 +331,7 @@ 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; @@ -325,13 +339,11 @@ 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)) @@ -347,19 +359,25 @@ unix_build_dentry_tree_recursive(struct wim_dentry **tree_ret, goto out; } - if (unlikely(!S_ISREG(stbuf.st_mode) && - !S_ISDIR(stbuf.st_mode) && - !S_ISLNK(stbuf.st_mode))) - { - if (params->add_flags & WIMLIB_ADD_FLAG_NO_UNSUPPORTED_EXCLUDE) + if (!(params->add_flags & WIMLIB_ADD_FLAG_UNIX_DATA)) { + if (unlikely(!S_ISREG(stbuf.st_mode) && + !S_ISDIR(stbuf.st_mode) && + !S_ISLNK(stbuf.st_mode))) { - ERROR("\"%s\": File type is unsupported", full_path); - ret = WIMLIB_ERR_UNSUPPORTED_FILE; + if (params->add_flags & + WIMLIB_ADD_FLAG_NO_UNSUPPORTED_EXCLUDE) + { + ERROR("\"%s\": File type is unsupported", + full_path); + ret = WIMLIB_ERR_UNSUPPORTED_FILE; + goto out; + } + params->progress.scan.cur_path = full_path; + ret = do_capture_progress(params, + WIMLIB_SCAN_DENTRY_UNSUPPORTED, + NULL); goto out; } - params->progress.scan.cur_path = full_path; - ret = do_capture_progress(params, WIMLIB_SCAN_DENTRY_UNSUPPORTED, NULL); - goto out; } ret = inode_table_new_dentry(params->inode_table, relpath, @@ -370,26 +388,27 @@ 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); - inode->i_last_write_time = timespec_to_wim_timestamp(stbuf.st_mtim); - inode->i_last_access_time = timespec_to_wim_timestamp(stbuf.st_atim); + inode->i_creation_time = timespec_to_wim_timestamp(&stbuf.st_mtim); + inode->i_last_write_time = timespec_to_wim_timestamp(&stbuf.st_mtim); + inode->i_last_access_time = timespec_to_wim_timestamp(&stbuf.st_atim); #else - inode->i_creation_time = unix_timestamp_to_wim(stbuf.st_mtime); - inode->i_last_write_time = unix_timestamp_to_wim(stbuf.st_mtime); - inode->i_last_access_time = unix_timestamp_to_wim(stbuf.st_atime); + inode->i_creation_time = time_t_to_wim_timestamp(stbuf.st_mtime); + inode->i_last_write_time = time_t_to_wim_timestamp(stbuf.st_mtime); + inode->i_last_access_time = time_t_to_wim_timestamp(stbuf.st_atime); #endif - inode->i_resolved = 1; if (params->add_flags & WIMLIB_ADD_FLAG_UNIX_DATA) { - if (!inode_set_unix_data(inode, stbuf.st_uid, stbuf.st_gid, - stbuf.st_mode, UNIX_DATA_ALL)) - { + struct wimlib_unix_data unix_data; + + unix_data.uid = stbuf.st_uid; + unix_data.gid = stbuf.st_gid; + unix_data.mode = stbuf.st_mode; + unix_data.rdev = stbuf.st_rdev; + if (!inode_set_unix_data(inode, &unix_data, UNIX_DATA_ALL)) { ret = WIMLIB_ERR_NOMEM; goto out; } @@ -403,15 +422,13 @@ unix_build_dentry_tree_recursive(struct wim_dentry **tree_ret, if (S_ISREG(stbuf.st_mode)) { ret = unix_scan_regular_file(full_path, stbuf.st_size, - inode, params->unhashed_streams); + inode, params->unhashed_blobs); } else if (S_ISDIR(stbuf.st_mode)) { ret = unix_scan_directory(tree, full_path, full_path_len, dirfd, relpath, params); - } else { - ret = unix_scan_symlink(&tree, full_path, dirfd, relpath, + } else if (S_ISLNK(stbuf.st_mode)) { + ret = unix_scan_symlink(full_path, dirfd, relpath, inode, params); - if (!tree) - goto out; } if (ret) @@ -424,10 +441,12 @@ out_progress: else ret = do_capture_progress(params, WIMLIB_SCAN_DENTRY_EXCLUDED, NULL); out: - if (likely(ret == 0)) - *tree_ret = tree; - else - free_dentry_tree(tree, params->lookup_table); + if (unlikely(ret)) { + free_dentry_tree(tree, params->blob_table); + tree = NULL; + ret = report_capture_error(params, ret, full_path); + } + *tree_ret = tree; return ret; } @@ -442,7 +461,7 @@ 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 @@ -454,7 +473,7 @@ 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;