Libarchive 3.4.2 Relevant vendor changes: PR #1289: atomic extraction support (bsdtar -x --safe-writes) PR #1308: big endian fix for UTF16 support in LHA reader PR #1326: reject RAR5 files that declare invalid header flags Issue #987: fix support 7z archive entries with Delta filter Issue #1317: fix compression output buffer handling in XAR writer Issue #1319: fix uname or gname longer than 32 characters in pax writer Issue #1325: fix use after free when archiving hardlinks in ISO9660 or XAR Use localtime_r() and gmtime_r() instead of localtime() and gmtime()
225 lines
5.3 KiB
C
225 lines
5.3 KiB
C
/*-
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* Copyright (c) 2019 Martin Matuska
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Archivetest verifies reading archives with libarchive
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*
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* It may be used to reproduce failures in testcases discovered by OSS-Fuzz
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* https://github.com/google/oss-fuzz/blob/master/projects/libarchive
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include <archive.h>
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#include <archive_entry.h>
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#if defined __MINGW32__
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#include <getopt.h>
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#endif
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static const char *errnostr(int e)
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{
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char *estr;
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switch(e) {
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case ARCHIVE_EOF:
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estr = "ARCHIVE_EOF";
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break;
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case ARCHIVE_OK:
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estr = "ARCHIVE_OK";
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break;
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case ARCHIVE_WARN:
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estr = "ARCHIVE_WARN";
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break;
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case ARCHIVE_RETRY:
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estr = "ARCHIVE_RETRY";
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break;
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case ARCHIVE_FAILED:
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estr = "ARCHIVE_FAILED";
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break;
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case ARCHIVE_FATAL:
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estr = "ARCHIVE_FATAL";
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break;
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default:
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estr = "Unknown";
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break;
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}
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return (estr);
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}
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static void usage(const char *prog)
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{
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fprintf(stderr, "Usage: %s [-f filename] [-h] [-q] [-s]\n", prog);
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}
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static void printhelp()
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{
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fprintf(stdout, "archivetest: verify reading archives with "
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"libarchive\n\n"
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"Options:\n"
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" -f filename Filename to verify\n"
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" -h Show this help\n"
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" -q Quiet mode\n"
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" -s Verify only headers (skip data)\n\n"
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"If no filename is specified, data is read from standard input.\n"
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"\n%s\n", archive_version_details());
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}
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static int v_print(int verbose, const char *format, ...)
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{
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int r = 0;
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if (verbose) {
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va_list args;
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va_start(args, format);
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r = vfprintf(stdout, format, args);
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va_end(args);
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}
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return (r);
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}
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int main(int argc, char *argv[])
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{
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struct archive *a;
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struct archive_entry *entry;
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char *filename;
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const char *p;
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char buffer[4096];
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int c;
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int v, skip_data;
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int r = ARCHIVE_OK;
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int format_printed;
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filename = NULL;
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skip_data = 0;
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v = 1;
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while ((c = getopt (argc, argv, "f:hqs")) != -1) {
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switch (c) {
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case 'f':
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filename = optarg;
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break;
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case 'h':
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printhelp();
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exit(0);
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case 'q':
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v = 0;
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break;
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case 's':
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skip_data = 1;
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break;
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case '?':
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if (optopt == 'f')
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fprintf(stderr, "Option -%c requires "
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"an argument.\n", optopt);
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else if (isprint(optopt))
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fprintf(stderr, "Unknown option '-%c'"
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".\n", optopt);
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else
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fprintf(stderr, "Unknown option "
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"character '\\x%x'.\n", optopt);
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usage(argv[0]);
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exit(1);
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break;
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default:
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exit(1);
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}
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}
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a = archive_read_new();
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archive_read_support_filter_all(a);
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archive_read_support_format_all(a);
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v_print(v, "Data source: ");
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if (filename == NULL) {
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v_print(v, "standard input\n");
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r = archive_read_open_fd(a, STDIN_FILENO, 4096);
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} else {
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v_print(v, "filename: %s\n", filename);
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r = archive_read_open_filename(a, filename, 4096);
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}
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if (r != ARCHIVE_OK) {
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archive_read_free(a);
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fprintf(stderr, "Invalid or unsupported data source\n");
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exit(1);
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}
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format_printed = 0;
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c = 1;
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while (1) {
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r = archive_read_next_header(a, &entry);
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if (r == ARCHIVE_FATAL) {
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v_print(v, "Entry %d: fatal error reading "
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"header\n", c);
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break;
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}
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if (!format_printed) {
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v_print(v, "Filter: %s\nFormat: %s\n",
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archive_filter_name(a, 0), archive_format_name(a));
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format_printed = 1;
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}
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if (r == ARCHIVE_RETRY)
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continue;
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if (r == ARCHIVE_EOF)
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break;
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p = archive_entry_pathname(entry);
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v_print(v, "Entry %d: %s, pathname", c, errnostr(r));
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if (p == NULL || p[0] == '\0')
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v_print(v, " unreadable");
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else
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v_print(v, ": %s", p);
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v_print(v, ", data: ");
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if (skip_data) {
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v_print(v, "skipping");
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} else {
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while ((r = archive_read_data(a, buffer, 4096) > 0))
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;
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if (r == ARCHIVE_FATAL) {
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v_print(v, "ERROR\nError string: %s\n",
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archive_error_string(a));
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break;
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}
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v_print(v, "OK");
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}
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v_print(v, "\n");
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c++;
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}
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v_print(v, "Last return code: %s (%d)\n", errnostr(r), r);
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if (r == ARCHIVE_EOF || r == ARCHIVE_OK) {
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archive_read_free(a);
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exit(0);
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}
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v_print(v, "Error string: %s\n", archive_error_string(a));
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archive_read_free(a);
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exit(2);
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}
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