X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fntfs-apply.c;h=3881f0f4e6562bfb37a1313e733423b60de7b7ad;hp=9dcf6b0a5ec18609257ff70652107cdce67b7f2d;hb=143db75c035e6ecaca451ce70a4ed58a01102b43;hpb=9e56d04309e3e6a896319225288f0c86bd36d34e diff --git a/src/ntfs-apply.c b/src/ntfs-apply.c index 9dcf6b0a..3881f0f4 100644 --- a/src/ntfs-apply.c +++ b/src/ntfs-apply.c @@ -41,12 +41,19 @@ #include #include #include +#include -static int extract_wim_chunk_to_ntfs_attr(const u8 *buf, size_t len, - u64 offset, void *arg) +struct ntfs_attr_extract_ctx { + u64 offset; + ntfs_attr *na; +}; + +static int +extract_wim_chunk_to_ntfs_attr(const void *buf, size_t len, void *_ctx) { - ntfs_attr *na = arg; - if (ntfs_attr_pwrite(na, offset, len, buf) == len) { + struct ntfs_attr_extract_ctx *ctx = _ctx; + if (ntfs_attr_pwrite(ctx->na, ctx->offset, len, buf) == len) { + ctx->offset += len; return 0; } else { ERROR_WITH_ERRNO("Error extracting WIM resource to NTFS attribute"); @@ -61,8 +68,11 @@ static int extract_wim_resource_to_ntfs_attr(const struct wim_lookup_table_entry *lte, ntfs_attr *na) { + struct ntfs_attr_extract_ctx ctx; + ctx.na = na; + ctx.offset = 0; return extract_wim_resource(lte, wim_resource_size(lte), - extract_wim_chunk_to_ntfs_attr, na); + extract_wim_chunk_to_ntfs_attr, &ctx); } /* Writes the data streams of a WIM inode to the data attributes of a NTFS @@ -81,42 +91,47 @@ extract_wim_resource_to_ntfs_attr(const struct wim_lookup_table_entry *lte, * * Returns 0 on success, nonzero on failure. */ -static int write_ntfs_data_streams(ntfs_inode *ni, const struct wim_dentry *dentry, - union wimlib_progress_info *progress_info) +static int +write_ntfs_data_streams(ntfs_inode *ni, struct wim_dentry *dentry, + union wimlib_progress_info *progress_info) { int ret = 0; unsigned stream_idx = 0; ntfschar *stream_name = AT_UNNAMED; - u32 stream_name_len = 0; - const char *stream_name_utf8; + u32 stream_name_nbytes = 0; const struct wim_inode *inode = dentry->d_inode; struct wim_lookup_table_entry *lte; + lte = inode->i_lte; + + /* For directories, skip unnamed streams; just extract alternate data + * streams. */ + if (inode->i_attributes & FILE_ATTRIBUTE_DIRECTORY) + goto cont; + DEBUG("Writing %u NTFS data stream%s for `%s'", inode->i_num_ads + 1, (inode->i_num_ads == 0 ? "" : "s"), - dentry->full_path_utf8); - - lte = inode->i_lte; - while (1) { - if (stream_name_len) { + dentry->_full_path); + for (;;) { + if (stream_name_nbytes) { /* Skip special UNIX data entries (see documentation for - * WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA) */ - if (stream_name_len == WIMLIB_UNIX_DATA_TAG_LEN - && !memcmp(stream_name_utf8, - WIMLIB_UNIX_DATA_TAG, - WIMLIB_UNIX_DATA_TAG_LEN)) + * WIMLIB_ADD_FLAG_UNIX_DATA) */ + if (stream_name_nbytes == WIMLIB_UNIX_DATA_TAG_UTF16LE_NBYTES + && !memcmp(stream_name, + WIMLIB_UNIX_DATA_TAG_UTF16LE, + WIMLIB_UNIX_DATA_TAG_UTF16LE_NBYTES)) goto cont; /* Create an empty named stream. */ ret = ntfs_attr_add(ni, AT_DATA, stream_name, - stream_name_len, NULL, 0); - if (ret != 0) { - ERROR_WITH_ERRNO("Failed to create name data " + stream_name_nbytes / 2, NULL, 0); + if (ret) { + ERROR_WITH_ERRNO("Failed to create named data " "stream for extracted file " "`%s'", - dentry->full_path_utf8); + dentry->_full_path); ret = WIMLIB_ERR_NTFS_3G; break; @@ -128,11 +143,12 @@ static int write_ntfs_data_streams(ntfs_inode *ni, const struct wim_dentry *dent if (lte) { ntfs_attr *na; - na = ntfs_attr_open(ni, AT_DATA, stream_name, stream_name_len); + na = ntfs_attr_open(ni, AT_DATA, stream_name, + stream_name_nbytes / 2); if (!na) { ERROR_WITH_ERRNO("Failed to open a data stream of " "extracted file `%s'", - dentry->full_path_utf8); + dentry->_full_path); ret = WIMLIB_ERR_NTFS_3G; break; } @@ -141,7 +157,7 @@ static int write_ntfs_data_streams(ntfs_inode *ni, const struct wim_dentry *dent * length, so the NTFS attribute should be resized to * this length before starting to extract the data. */ ret = ntfs_attr_truncate_solid(na, wim_resource_size(lte)); - if (ret != 0) { + if (ret) { ntfs_attr_close(na); break; } @@ -151,7 +167,7 @@ static int write_ntfs_data_streams(ntfs_inode *ni, const struct wim_dentry *dent /* Close the attribute */ ntfs_attr_close(na); - if (ret != 0) + if (ret) break; /* Record the number of bytes of uncompressed data that @@ -163,9 +179,8 @@ static int write_ntfs_data_streams(ntfs_inode *ni, const struct wim_dentry *dent break; /* Get the name and lookup table entry for the next stream. */ - stream_name = (ntfschar*)inode->i_ads_entries[stream_idx].stream_name; - stream_name_utf8 = inode->i_ads_entries[stream_idx].stream_name_utf8; - stream_name_len = inode->i_ads_entries[stream_idx].stream_name_len / 2; + stream_name = inode->i_ads_entries[stream_idx].stream_name; + stream_name_nbytes = inode->i_ads_entries[stream_idx].stream_name_nbytes; lte = inode->i_ads_entries[stream_idx].lte; stream_idx++; } @@ -174,22 +189,22 @@ static int write_ntfs_data_streams(ntfs_inode *ni, const struct wim_dentry *dent /* Open the NTFS inode that corresponds to the parent of a WIM dentry. Returns * the opened inode, or NULL on failure. */ -static ntfs_inode *dentry_open_parent_ni(const struct wim_dentry *dentry, - ntfs_volume *vol) +static ntfs_inode * +dentry_open_parent_ni(struct wim_dentry *dentry, ntfs_volume *vol) { char *p; const char *dir_name; ntfs_inode *dir_ni; char orig; - p = dentry->full_path_utf8 + dentry->full_path_utf8_len; + p = dentry->_full_path + dentry->full_path_nbytes; do { p--; } while (*p != '/'); orig = *p; *p = '\0'; - dir_name = dentry->full_path_utf8; + dir_name = dentry->_full_path; dir_ni = ntfs_pathname_to_inode(vol, NULL, dir_name); if (!dir_ni) { ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'", @@ -206,7 +221,7 @@ static ntfs_inode *dentry_open_parent_ni(const struct wim_dentry *dentry, * directory specified by @dir_ni, and it is made to point to the previously * extracted file located at @inode->i_extracted_file. * - * Or, in other words, this adds a new name @from_dentry->full_path_utf8 to an + * Or, in other words, this adds a new name @from_dentry->full_path to an * existing NTFS inode which already has a name @inode->i_extracted_file. * * The new name is made in the POSIX namespace (this is the behavior of @@ -214,9 +229,10 @@ static ntfs_inode *dentry_open_parent_ni(const struct wim_dentry *dentry, * * Return 0 on success, nonzero on failure. dir_ni is closed either way. */ -static int apply_ntfs_hardlink(const struct wim_dentry *from_dentry, - const struct wim_inode *inode, - ntfs_inode *dir_ni) +static int +apply_ntfs_hardlink(struct wim_dentry *from_dentry, + const struct wim_inode *inode, + ntfs_inode *dir_ni) { int ret; ntfs_inode *to_ni; @@ -230,7 +246,7 @@ static int apply_ntfs_hardlink(const struct wim_dentry *from_dentry, } DEBUG("Extracting NTFS hard link `%s' => `%s'", - from_dentry->full_path_utf8, inode->i_extracted_file); + from_dentry->_full_path, inode->i_extracted_file); to_ni = ntfs_pathname_to_inode(vol, NULL, inode->i_extracted_file); if (!to_ni) { @@ -246,13 +262,13 @@ static int apply_ntfs_hardlink(const struct wim_dentry *from_dentry, } ret = ntfs_link(to_ni, dir_ni, - (ntfschar*)from_dentry->file_name, - from_dentry->file_name_len / 2); + from_dentry->file_name, + from_dentry->file_name_nbytes / 2); ret |= ntfs_inode_close(dir_ni); ret |= ntfs_inode_close(to_ni); if (ret) { ERROR_WITH_ERRNO("Could not create hard link `%s' => `%s'", - from_dentry->full_path_utf8, + from_dentry->_full_path, inode->i_extracted_file); ret = WIMLIB_ERR_NTFS_3G; } @@ -273,8 +289,9 @@ static int apply_ntfs_hardlink(const struct wim_dentry *from_dentry, static int apply_file_attributes_and_security_data(ntfs_inode *ni, ntfs_inode *dir_ni, - const struct wim_dentry *dentry, - const WIMStruct *w) + struct wim_dentry *dentry, + const WIMStruct *w, + int extract_flags) { int ret; struct SECURITY_CONTEXT ctx; @@ -284,7 +301,7 @@ apply_file_attributes_and_security_data(ntfs_inode *ni, inode = dentry->d_inode; DEBUG("Setting NTFS file attributes on `%s' to %#"PRIx32, - dentry->full_path_utf8, inode->i_attributes); + dentry->_full_path, inode->i_attributes); attributes_le32 = cpu_to_le32(inode->i_attributes); memset(&ctx, 0, sizeof(ctx)); @@ -293,12 +310,13 @@ apply_file_attributes_and_security_data(ntfs_inode *ni, ni, dir_ni, (const char*)&attributes_le32, sizeof(u32), 0); - if (ret != 0) { + if (ret) { ERROR("Failed to set NTFS file attributes on `%s'", - dentry->full_path_utf8); - return WIMLIB_ERR_NTFS_3G; - } - if (inode->i_security_id != -1) { + dentry->_full_path); + ret = WIMLIB_ERR_NTFS_3G; + } else if (inode->i_security_id != -1 && + !(extract_flags & WIMLIB_EXTRACT_FLAG_NO_ACLS)) + { const char *desc; const struct wim_security_data *sd; @@ -306,44 +324,47 @@ apply_file_attributes_and_security_data(ntfs_inode *ni, wimlib_assert(inode->i_security_id < sd->num_entries); desc = (const char *)sd->descriptors[inode->i_security_id]; DEBUG("Applying security descriptor %d to `%s'", - inode->i_security_id, dentry->full_path_utf8); + inode->i_security_id, dentry->_full_path); ret = ntfs_xattr_system_setxattr(&ctx, XATTR_NTFS_ACL, ni, dir_ni, desc, sd->sizes[inode->i_security_id], 0); - if (ret != 0) { + if (ret) { ERROR_WITH_ERRNO("Failed to set security data on `%s'", - dentry->full_path_utf8); - return WIMLIB_ERR_NTFS_3G; + dentry->_full_path); + ret = WIMLIB_ERR_NTFS_3G; } } - return 0; + return ret; } /* * Transfers the reparse data from a WIM inode (which must represent a reparse * point) to a NTFS inode. */ -static int apply_reparse_data(ntfs_inode *ni, const struct wim_dentry *dentry, - union wimlib_progress_info *progress_info) +static int +apply_reparse_data(ntfs_inode *ni, struct wim_dentry *dentry, + union wimlib_progress_info *progress_info) { struct wim_lookup_table_entry *lte; - int ret = 0; + int ret; lte = inode_unnamed_lte_resolved(dentry->d_inode); - DEBUG("Applying reparse data to `%s'", dentry->full_path_utf8); + DEBUG("Applying reparse data to `%s'", dentry->_full_path); if (!lte) { ERROR("Could not find reparse data for `%s'", - dentry->full_path_utf8); + dentry->_full_path); return WIMLIB_ERR_INVALID_DENTRY; } - if (wim_resource_size(lte) >= 0xffff) { + /* "Reparse point data, including the tag and optional GUID, cannot + * exceed 16 kilobytes." - MSDN */ + if (wim_resource_size(lte) > REPARSE_POINT_MAX_SIZE - 8) { ERROR("Reparse data of `%s' is too long (%"PRIu64" bytes)", - dentry->full_path_utf8, wim_resource_size(lte)); + dentry->_full_path, wim_resource_size(lte)); return WIMLIB_ERR_INVALID_DENTRY; } @@ -354,19 +375,20 @@ static int apply_reparse_data(ntfs_inode *ni, const struct wim_dentry *dentry, p = put_u16(p, wim_resource_size(lte)); /* ReparseDataLength */ p = put_u16(p, 0); /* Reserved */ - ret = read_full_wim_resource(lte, p, 0); - if (ret != 0) + ret = read_full_resource_into_buf(lte, p); + if (ret) return ret; ret = ntfs_set_ntfs_reparse_data(ni, (char*)reparse_data_buf, wim_resource_size(lte) + 8, 0); - if (ret != 0) { + if (ret) { ERROR_WITH_ERRNO("Failed to set NTFS reparse data on `%s'", - dentry->full_path_utf8); + dentry->_full_path); return WIMLIB_ERR_NTFS_3G; + } else { + progress_info->extract.completed_bytes += wim_resource_size(lte); } - progress_info->extract.completed_bytes += wim_resource_size(lte); - return 0; + return ret; } /* @@ -377,10 +399,11 @@ static int apply_reparse_data(ntfs_inode *ni, const struct wim_dentry *dentry, * * @return: 0 on success; nonzero on failure. */ -static int do_apply_dentry_ntfs(struct wim_dentry *dentry, ntfs_inode *dir_ni, - struct apply_args *args) +static int +do_apply_dentry_ntfs(struct wim_dentry *dentry, ntfs_inode *dir_ni, + struct apply_args *args) { - int ret = 0; + int ret; mode_t type; ntfs_inode *ni = NULL; struct wim_inode *inode = dentry->d_inode; @@ -404,8 +427,8 @@ static int do_apply_dentry_ntfs(struct wim_dentry *dentry, ntfs_inode *dir_ni, * extracted yet, so go ahead and extract the * first one. */ FREE(inode->i_extracted_file); - inode->i_extracted_file = STRDUP(dentry->full_path_utf8); - if (!inode->i_extracted_file) { + if (!(inode->i_extracted_file = STRDUP(dentry->_full_path))) + { ret = WIMLIB_ERR_NOMEM; goto out_close_dir_ni; } @@ -418,57 +441,55 @@ static int do_apply_dentry_ntfs(struct wim_dentry *dentry, ntfs_inode *dir_ni, * Note: For symbolic links that are not directory junctions, S_IFREG is * passed here, since the reparse data and file attributes are set * later. */ - ni = ntfs_create(dir_ni, 0, (ntfschar*)dentry->file_name, - dentry->file_name_len / 2, type); + ni = ntfs_create(dir_ni, 0, dentry->file_name, + dentry->file_name_nbytes / 2, type); if (!ni) { ERROR_WITH_ERRNO("Could not create NTFS inode for `%s'", - dentry->full_path_utf8); + dentry->_full_path); ret = WIMLIB_ERR_NTFS_3G; goto out_close_dir_ni; } - /* Write the data streams, unless this is a directory or reparse point - * */ - if (!(inode->i_attributes & (FILE_ATTRIBUTE_REPARSE_POINT | - FILE_ATTRIBUTE_DIRECTORY))) { + /* Write the data streams, unless this is reparse point. */ + if (!(inode->i_attributes & FILE_ATTRIBUTE_REPARSE_POINT)) { ret = write_ntfs_data_streams(ni, dentry, &args->progress); - if (ret != 0) + if (ret) goto out_close_dir_ni; } - ret = apply_file_attributes_and_security_data(ni, dir_ni, dentry, - args->w); - if (ret != 0) + args->w, + args->extract_flags); + if (ret) goto out_close_dir_ni; if (inode->i_attributes & FILE_ATTR_REPARSE_POINT) { ret = apply_reparse_data(ni, dentry, &args->progress); - if (ret != 0) + if (ret) goto out_close_dir_ni; } /* Set DOS (short) name if given */ - if (dentry->short_name_len != 0) { - char *short_name_utf8; - size_t short_name_utf8_len; - ret = utf16_to_utf8(dentry->short_name, - dentry->short_name_len, - &short_name_utf8, - &short_name_utf8_len); - if (ret != 0) + if (dentry_has_short_name(dentry)) { + char *short_name_mbs; + size_t short_name_mbs_nbytes; + ret = utf16le_to_tstr(dentry->short_name, + dentry->short_name_nbytes, + &short_name_mbs, + &short_name_mbs_nbytes); + if (ret) goto out_close_dir_ni; DEBUG("Setting short (DOS) name of `%s' to %s", - dentry->full_path_utf8, short_name_utf8); + dentry->_full_path, short_name_mbs); - ret = ntfs_set_ntfs_dos_name(ni, dir_ni, short_name_utf8, - short_name_utf8_len, 0); - FREE(short_name_utf8); - if (ret != 0) { + ret = ntfs_set_ntfs_dos_name(ni, dir_ni, short_name_mbs, + short_name_mbs_nbytes, 0); + FREE(short_name_mbs); + if (ret) { ERROR_WITH_ERRNO("Could not set DOS (short) name for `%s'", - dentry->full_path_utf8); + dentry->_full_path); ret = WIMLIB_ERR_NTFS_3G; } /* inodes have been closed by ntfs_set_ntfs_dos_name(). */ @@ -481,22 +502,25 @@ out_close_dir_ni: if (ret == 0) ret = WIMLIB_ERR_NTFS_3G; ERROR_WITH_ERRNO("Failed to close inode for `%s'", - dentry->full_path_utf8); + dentry->_full_path); } } if (ntfs_inode_close(dir_ni)) { if (ret == 0) ret = WIMLIB_ERR_NTFS_3G; ERROR_WITH_ERRNO("Failed to close inode of directory " - "containing `%s'", dentry->full_path_utf8); + "containing `%s'", + dentry->_full_path); } } out: return ret; } -static int apply_root_dentry_ntfs(const struct wim_dentry *dentry, - ntfs_volume *vol, const WIMStruct *w) +static int +apply_root_dentry_ntfs(struct wim_dentry *dentry, + ntfs_volume *vol, const WIMStruct *w, + int extract_flags) { ntfs_inode *ni; int ret = 0; @@ -506,7 +530,8 @@ static int apply_root_dentry_ntfs(const struct wim_dentry *dentry, ERROR_WITH_ERRNO("Could not find root NTFS inode"); return WIMLIB_ERR_NTFS_3G; } - ret = apply_file_attributes_and_security_data(ni, ni, dentry, w); + ret = apply_file_attributes_and_security_data(ni, ni, dentry, w, + extract_flags); if (ntfs_inode_close(ni) != 0) { ERROR_WITH_ERRNO("Failed to close NTFS inode for root " "directory"); @@ -516,7 +541,8 @@ static int apply_root_dentry_ntfs(const struct wim_dentry *dentry, } /* Applies a WIM dentry to the NTFS volume */ -int apply_dentry_ntfs(struct wim_dentry *dentry, void *arg) +int +apply_dentry_ntfs(struct wim_dentry *dentry, void *arg) { struct apply_args *args = arg; ntfs_volume *vol = args->vol; @@ -527,7 +553,8 @@ int apply_dentry_ntfs(struct wim_dentry *dentry, void *arg) /* Treat the root dentry specially. */ if (dentry_is_root(dentry)) - return apply_root_dentry_ntfs(dentry, vol, w); + return apply_root_dentry_ntfs(dentry, vol, w, + args->extract_flags); /* NTFS filename namespaces need careful consideration. A name for a * NTFS file may be in either the POSIX, Win32, DOS, or Win32+DOS @@ -562,7 +589,7 @@ int apply_dentry_ntfs(struct wim_dentry *dentry, void *arg) * file. So, this implies that the correct ordering of function calls * to extract a NTFS file are: * - * if (file has a DOS name) { + * if (file has a DOS name) { * - Call ntfs_create() to create long name associated with * the DOS name (this initially creates a POSIX name) * - Call ntfs_set_ntfs_dos_name() to associate a DOS name @@ -579,10 +606,10 @@ int apply_dentry_ntfs(struct wim_dentry *dentry, void *arg) again: orig_dentry = NULL; if (!dentry->d_inode->i_dos_name_extracted && - dentry->short_name_len == 0) + !dentry_has_short_name(dentry)) { inode_for_each_dentry(other, dentry->d_inode) { - if (other->short_name_len != 0) { + if (dentry_has_short_name(other)) { orig_dentry = dentry; dentry = other; break; @@ -605,7 +632,8 @@ again: /* Transfers the 100-nanosecond precision timestamps from a WIM dentry to a NTFS * inode */ -int apply_dentry_timestamps_ntfs(struct wim_dentry *dentry, void *arg) +int +apply_dentry_timestamps_ntfs(struct wim_dentry *dentry, void *arg) { struct apply_args *args = arg; ntfs_volume *vol = args->vol; @@ -614,12 +642,12 @@ int apply_dentry_timestamps_ntfs(struct wim_dentry *dentry, void *arg) ntfs_inode *ni; int ret; - DEBUG("Setting timestamps on `%s'", dentry->full_path_utf8); + DEBUG("Setting timestamps on `%s'", dentry->_full_path); - ni = ntfs_pathname_to_inode(vol, NULL, dentry->full_path_utf8); + ni = ntfs_pathname_to_inode(vol, NULL, dentry->_full_path); if (!ni) { ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'", - dentry->full_path_utf8); + dentry->_full_path); return WIMLIB_ERR_NTFS_3G; } @@ -630,7 +658,7 @@ int apply_dentry_timestamps_ntfs(struct wim_dentry *dentry, void *arg) ret = ntfs_inode_set_times(ni, (const char*)buf, 3 * sizeof(u64), 0); if (ret != 0) { ERROR_WITH_ERRNO("Failed to set NTFS timestamps on `%s'", - dentry->full_path_utf8); + dentry->_full_path); ret = WIMLIB_ERR_NTFS_3G; } @@ -638,7 +666,13 @@ int apply_dentry_timestamps_ntfs(struct wim_dentry *dentry, void *arg) if (ret == 0) ret = WIMLIB_ERR_NTFS_3G; ERROR_WITH_ERRNO("Failed to close NTFS inode for `%s'", - dentry->full_path_utf8); + dentry->_full_path); } return ret; } + +void +libntfs3g_global_init() +{ + ntfs_set_char_encoding(setlocale(LC_ALL, "")); +}