193 files changed, 80411 insertions, 44563 deletions
diff --git a/ntfsprogs/ntfscat.c b/ntfsprogs/ntfscat.c new file mode 100755 index 0000000..823250b --- a/dev/null +++ b/ntfsprogs/ntfscat.c @@ -0,0 +1,440 @@ +/** + * ntfscat - Part of the Linux-NTFS project. + * + * Copyright (c) 2003-2005 Richard Russon + * Copyright (c) 2003-2005 Anton Altaparmakov + * Copyright (c) 2003-2005 Szabolcs Szakacsits + * Copyright (c) 2007 Yura Pakhuchiy + * + * This utility will concatenate files and print on the standard output. + * + * This program 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 2 of the License, or + * (at your option) any later version. + * + * This program 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 details. + * + * You should have received a copy of the GNU General Public License + * along with this program (in the main directory of the Linux-NTFS + * distribution in the file COPYING); if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "config.h" + +#ifdef HAVE_STDIO_H +#include <stdio.h> +#endif +#ifdef HAVE_GETOPT_H +#include <getopt.h> +#endif +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#ifdef HAVE_STRING_H +#include <string.h> +#endif + +#include "types.h" +#include "attrib.h" +#include "utils.h" +#include "volume.h" +#include "debug.h" +#include "dir.h" +#include "ntfscat.h" +/* #include "version.h" */ +#include "utils.h" + +static const char *EXEC_NAME = "ntfscat"; +static struct options opts; + +/** + * version - Print version information about the program + * + * Print a copyright statement and a brief description of the program. + * + * Return: none + */ +static void version(void) +{ + ntfs_log_info("\n%s v%s (libntfs-3g) - Concatenate files and print " + "on the standard output.\n\n", EXEC_NAME, VERSION); + ntfs_log_info("Copyright (c) 2003-2005 Richard Russon\n"); + ntfs_log_info("Copyright (c) 2003-2005 Anton Altaparmakov\n"); + ntfs_log_info("Copyright (c) 2003-2005 Szabolcs Szakacsits\n"); + ntfs_log_info("Copyright (c) 2007 Yura Pakhuchiy\n"); + ntfs_log_info("\n%s\n%s%s\n", ntfs_gpl, ntfs_bugs, ntfs_home); +} + +/** + * usage - Print a list of the parameters to the program + * + * Print a list of the parameters and options for the program. + * + * Return: none + */ +static void usage(void) +{ + ntfs_log_info("\nUsage: %s [options] device [file]\n\n" + " -a, --attribute TYPE Display this attribute type\n" + " -n, --attribute-name NAME Display this attribute name\n" + " -i, --inode NUM Display this inode\n\n" + " -f, --force Use less caution\n" + " -h, --help Print this help\n" + " -q, --quiet Less output\n" + " -V, --version Version information\n" + " -v, --verbose More output\n\n", +// Does not work for compressed files at present so leave undocumented... +// " -r --raw Display the raw data (e.g. for compressed or encrypted file)", + EXEC_NAME); + ntfs_log_info("%s%s\n", ntfs_bugs, ntfs_home); +} + +/** + * parse_attribute - Read an attribute name, or number + * @value: String to be parsed + * @attr: Resulting attribute id (on success) + * + * Read a string representing an attribute. It may be a decimal, octal or + * hexadecimal number, or the attribute name in full. The leading $ sign is + * optional. + * + * Return: 1 Success, a valid attribute name or number + * 0 Error, not an attribute name or number + */ +static int parse_attribute(const char *value, ATTR_TYPES *attr) +{ + static const char *attr_name[] = { + "$STANDARD_INFORMATION", + "$ATTRIBUTE_LIST", + "$FILE_NAME", + "$OBJECT_ID", + "$SECURITY_DESCRIPTOR", + "$VOLUME_NAME", + "$VOLUME_INFORMATION", + "$DATA", + "$INDEX_ROOT", + "$INDEX_ALLOCATION", + "$BITMAP", + "$REPARSE_POINT", + "$EA_INFORMATION", + "$EA", + "$PROPERTY_SET", + "$LOGGED_UTILITY_STREAM", + NULL + }; + + int i; + long num; + + for (i = 0; attr_name[i]; i++) { + if ((strcmp(value, attr_name[i]) == 0) || + (strcmp(value, attr_name[i] + 1) == 0)) { + *attr = (ATTR_TYPES)cpu_to_le32((i + 1) * 16); + return 1; + } + } + + num = strtol(value, NULL, 0); + if ((num > 0) && (num < 257)) { + *attr = (ATTR_TYPES)cpu_to_le32(num); + return 1; + } + + return 0; +} + +/** + * parse_options - Read and validate the programs command line + * + * Read the command line, verify the syntax and parse the options. + * This function is very long, but quite simple. + * + * Return: 1 Success + * 0 Error, one or more problems + */ +static int parse_options(int argc, char **argv) +{ + static const char *sopt = "-a:fh?i:n:qVvr"; + static const struct option lopt[] = { + { "attribute", required_argument, NULL, 'a' }, + { "attribute-name", required_argument, NULL, 'n' }, + { "force", no_argument, NULL, 'f' }, + { "help", no_argument, NULL, 'h' }, + { "inode", required_argument, NULL, 'i' }, + { "quiet", no_argument, NULL, 'q' }, + { "version", no_argument, NULL, 'V' }, + { "verbose", no_argument, NULL, 'v' }, + { "raw", no_argument, NULL, 'r' }, + { NULL, 0, NULL, 0 } + }; + + int c = -1; + int err = 0; + int ver = 0; + int help = 0; + int levels = 0; + ATTR_TYPES attr = AT_UNUSED; + + opterr = 0; /* We'll handle the errors, thank you. */ + + opts.inode = -1; + opts.attr = cpu_to_le32(-1); + opts.attr_name = NULL; + opts.attr_name_len = 0; + + while ((c = getopt_long(argc, argv, sopt, lopt, NULL)) != -1) { + switch (c) { + case 1: /* A non-option argument */ + if (!opts.device) { + opts.device = argv[optind - 1]; + } else if (!opts.file) { + opts.file = argv[optind - 1]; + } else { + ntfs_log_error("You must specify exactly one " + "file.\n"); + err++; + } + break; + case 'a': + if (opts.attr != cpu_to_le32(-1)) { + ntfs_log_error("You must specify exactly one " + "attribute.\n"); + } else if (parse_attribute(optarg, &attr) > 0) { + opts.attr = attr; + break; + } else { + ntfs_log_error("Couldn't parse attribute.\n"); + } + err++; + break; + case 'f': + opts.force++; + break; + case 'h': + case '?': + if (strncmp (argv[optind-1], "--log-", 6) == 0) { + if (!ntfs_log_parse_option (argv[optind-1])) + err++; + break; + } + help++; + break; + case 'i': + if (opts.inode != -1) + ntfs_log_error("You must specify exactly one inode.\n"); + else if (utils_parse_size(optarg, &opts.inode, FALSE)) + break; + else + ntfs_log_error("Couldn't parse inode number.\n"); + err++; + break; + + case 'n': + opts.attr_name_len = ntfs_mbstoucs(optarg, + &opts.attr_name); + if (opts.attr_name_len < 0) { + ntfs_log_perror("Invalid attribute name '%s'", + optarg); + usage(); + } + + case 'q': + opts.quiet++; + ntfs_log_clear_levels(NTFS_LOG_LEVEL_QUIET); + break; + case 'V': + ver++; + break; + case 'v': + opts.verbose++; + ntfs_log_set_levels(NTFS_LOG_LEVEL_VERBOSE); + break; + case 'r': + opts.raw = TRUE; + break; + default: + ntfs_log_error("Unknown option '%s'.\n", argv[optind-1]); + err++; + break; + } + } + + /* Make sure we're in sync with the log levels */ + levels = ntfs_log_get_levels(); + if (levels & NTFS_LOG_LEVEL_VERBOSE) + opts.verbose++; + if (!(levels & NTFS_LOG_LEVEL_QUIET)) + opts.quiet++; + + if (help || ver) { + opts.quiet = 0; + } else { + if (opts.device == NULL) { + ntfs_log_error("You must specify a device.\n"); + err++; + + } else if (opts.file == NULL && opts.inode == -1) { + ntfs_log_error("You must specify a file or inode " + "with the -i option.\n"); + err++; + + } else if (opts.file != NULL && opts.inode != -1) { + ntfs_log_error("You can't specify both a file and inode.\n"); + err++; + } + + if (opts.quiet && opts.verbose) { + ntfs_log_error("You may not use --quiet and --verbose at the " + "same time.\n"); + err++; + } + } + + if (ver) + version(); + if (help || err) + usage(); + + return (!err && !help && !ver); +} + +/** + * index_get_size - Find the INDX block size from the index root + * @inode: Inode of the directory to be checked + * + * Find the size of a directory's INDX block from the INDEX_ROOT attribute. + * + * Return: n Success, the INDX blocks are n bytes in size + * 0 Error, not a directory + */ +static int index_get_size(ntfs_inode *inode) +{ + ATTR_RECORD *attr90; + INDEX_ROOT *iroot; + + attr90 = find_first_attribute(AT_INDEX_ROOT, inode->mrec); + if (!attr90) + return 0; // not a directory + + iroot = (INDEX_ROOT*)((u8*)attr90 + le16_to_cpu(attr90->value_offset)); + return le32_to_cpu(iroot->index_block_size); +} + +/** + * cat + */ +static int cat(ntfs_volume *vol, ntfs_inode *inode, ATTR_TYPES type, + ntfschar *name, int namelen) +{ + const int bufsize = 4096; + char *buffer; + ntfs_attr *attr; + s64 bytes_read, written; + s64 offset; + u32 block_size; + + buffer = malloc(bufsize); + if (!buffer) + return 1; + + attr = ntfs_attr_open(inode, type, name, namelen); + if (!attr) { + ntfs_log_error("Cannot find attribute type 0x%x.\n", + le32_to_cpu(type)); + free(buffer); + return 1; + } + + if ((inode->mft_no < 2) && (attr->type == AT_DATA)) + block_size = vol->mft_record_size; + else if (attr->type == AT_INDEX_ALLOCATION) + block_size = index_get_size(inode); + else + block_size = 0; + + offset = 0; + for (;;) { + if (!opts.raw && block_size > 0) { + // These types have fixup + bytes_read = ntfs_attr_mst_pread(attr, offset, 1, block_size, buffer); + if (bytes_read > 0) + bytes_read *= block_size; + } else { + bytes_read = ntfs_attr_pread(attr, offset, bufsize, buffer); + } + //ntfs_log_info("read %lld bytes\n", bytes_read); + if (bytes_read == -1) { + ntfs_log_perror("ERROR: Couldn't read file"); + break; + } + if (!bytes_read) + break; + + written = fwrite(buffer, 1, bytes_read, stdout); + if (written != bytes_read) { + ntfs_log_perror("ERROR: Couldn't output all data!"); + break; + } + offset += bytes_read; + } + + ntfs_attr_close(attr); + free(buffer); + return 0; +} + +/** + * main - Begin here + * + * Start from here. + * + * Return: 0 Success, the program worked + * 1 Error, something went wrong + */ +int main(int argc, char *argv[]) +{ + ntfs_volume *vol; + ntfs_inode *inode; + ATTR_TYPES attr; + int result = 1; + + ntfs_log_set_handler(ntfs_log_handler_stderr); + + if (!parse_options(argc, argv)) + return 1; + + utils_set_locale(); + + vol = utils_mount_volume(opts.device, NTFS_MNT_RDONLY | + (opts.force ? NTFS_MNT_RECOVER : 0)); + if (!vol) { + ntfs_log_perror("ERROR: couldn't mount volume"); + return 1; + } + + if (opts.inode != -1) + inode = ntfs_inode_open(vol, opts.inode); + else + inode = ntfs_pathname_to_inode(vol, NULL, opts.file); + + if (!inode) { + ntfs_log_perror("ERROR: Couldn't open inode"); + return 1; + } + + attr = AT_DATA; + if (opts.attr != cpu_to_le32(-1)) + attr = opts.attr; + + result = cat(vol, inode, attr, opts.attr_name, opts.attr_name_len); + + ntfs_inode_close(inode); + ntfs_umount(vol, FALSE); + + return result; +} |