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-rw-r--r--libarchive/libarchive-2.7.1/tar/read.c418
1 files changed, 0 insertions, 418 deletions
diff --git a/libarchive/libarchive-2.7.1/tar/read.c b/libarchive/libarchive-2.7.1/tar/read.c
deleted file mode 100644
index 642c548..0000000
--- a/libarchive/libarchive-2.7.1/tar/read.c
+++ /dev/null
@@ -1,418 +0,0 @@
-/*-
- * Copyright (c) 2003-2007 Tim Kientzle
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "bsdtar_platform.h"
-__FBSDID("$FreeBSD: src/usr.bin/tar/read.c,v 1.40 2008/08/21 06:41:14 kientzle Exp $");
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef MAJOR_IN_MKDEV
-#include <sys/mkdev.h>
-#elif defined(MAJOR_IN_SYSMACROS)
-#include <sys/sysmacros.h>
-#endif
-#ifdef HAVE_SYS_PARAM_H
-#include <sys/param.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#ifdef HAVE_GRP_H
-#include <grp.h>
-#endif
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#endif
-#ifdef HAVE_PWD_H
-#include <pwd.h>
-#endif
-#include <stdio.h>
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-#ifdef HAVE_TIME_H
-#include <time.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#include "bsdtar.h"
-
-static void list_item_verbose(struct bsdtar *, FILE *,
- struct archive_entry *);
-static void read_archive(struct bsdtar *bsdtar, char mode);
-
-void
-tar_mode_t(struct bsdtar *bsdtar)
-{
- read_archive(bsdtar, 't');
- unmatched_inclusions_warn(bsdtar, "Not found in archive");
-}
-
-void
-tar_mode_x(struct bsdtar *bsdtar)
-{
- /* We want to catch SIGINFO and SIGUSR1. */
- siginfo_init(bsdtar);
-
- read_archive(bsdtar, 'x');
-
- unmatched_inclusions_warn(bsdtar, "Not found in archive");
- /* Restore old SIGINFO + SIGUSR1 handlers. */
- siginfo_done(bsdtar);
-}
-
-static void
-progress_func(void * cookie)
-{
- struct bsdtar * bsdtar = cookie;
-
- siginfo_printinfo(bsdtar, 0);
-}
-
-/*
- * Handle 'x' and 't' modes.
- */
-static void
-read_archive(struct bsdtar *bsdtar, char mode)
-{
- FILE *out;
- struct archive *a;
- struct archive_entry *entry;
- const struct stat *st;
- int r;
-
- while (*bsdtar->argv) {
- include(bsdtar, *bsdtar->argv);
- bsdtar->argv++;
- }
-
- if (bsdtar->names_from_file != NULL)
- include_from_file(bsdtar, bsdtar->names_from_file);
-
- a = archive_read_new();
- if (bsdtar->compress_program != NULL)
- archive_read_support_compression_program(a, bsdtar->compress_program);
- else
- archive_read_support_compression_all(a);
- archive_read_support_format_all(a);
- if (ARCHIVE_OK != archive_read_set_options(a, bsdtar->option_options))
- bsdtar_errc(bsdtar, 1, 0, archive_error_string(a));
- if (archive_read_open_file(a, bsdtar->filename,
- bsdtar->bytes_per_block != 0 ? bsdtar->bytes_per_block :
- DEFAULT_BYTES_PER_BLOCK))
- bsdtar_errc(bsdtar, 1, 0, "Error opening archive: %s",
- archive_error_string(a));
-
- do_chdir(bsdtar);
-
- if (mode == 'x') {
- /* Set an extract callback so that we can handle SIGINFO. */
- archive_read_extract_set_progress_callback(a, progress_func,
- bsdtar);
- }
-
- if (mode == 'x' && bsdtar->option_chroot) {
-#if HAVE_CHROOT
- if (chroot(".") != 0)
- bsdtar_errc(bsdtar, 1, errno, "Can't chroot to \".\"");
-#else
- bsdtar_errc(bsdtar, 1, 0,
- "chroot isn't supported on this platform");
-#endif
- }
-
- for (;;) {
- /* Support --fast-read option */
- if (bsdtar->option_fast_read &&
- unmatched_inclusions(bsdtar) == 0)
- break;
-
- r = archive_read_next_header(a, &entry);
- if (r == ARCHIVE_EOF)
- break;
- if (r < ARCHIVE_OK)
- bsdtar_warnc(bsdtar, 0, "%s", archive_error_string(a));
- if (r <= ARCHIVE_WARN)
- bsdtar->return_value = 1;
- if (r == ARCHIVE_RETRY) {
- /* Retryable error: try again */
- bsdtar_warnc(bsdtar, 0, "Retrying...");
- continue;
- }
- if (r == ARCHIVE_FATAL)
- break;
-
- if (bsdtar->option_numeric_owner) {
- archive_entry_set_uname(entry, NULL);
- archive_entry_set_gname(entry, NULL);
- }
-
- /*
- * Exclude entries that are too old.
- */
- st = archive_entry_stat(entry);
- if (bsdtar->newer_ctime_sec > 0) {
- if (st->st_ctime < bsdtar->newer_ctime_sec)
- continue; /* Too old, skip it. */
- if (st->st_ctime == bsdtar->newer_ctime_sec
- && ARCHIVE_STAT_CTIME_NANOS(st)
- <= bsdtar->newer_ctime_nsec)
- continue; /* Too old, skip it. */
- }
- if (bsdtar->newer_mtime_sec > 0) {
- if (st->st_mtime < bsdtar->newer_mtime_sec)
- continue; /* Too old, skip it. */
- if (st->st_mtime == bsdtar->newer_mtime_sec
- && ARCHIVE_STAT_MTIME_NANOS(st)
- <= bsdtar->newer_mtime_nsec)
- continue; /* Too old, skip it. */
- }
-
- /*
- * Note that pattern exclusions are checked before
- * pathname rewrites are handled. This gives more
- * control over exclusions, since rewrites always lose
- * information. (For example, consider a rewrite
- * s/foo[0-9]/foo/. If we check exclusions after the
- * rewrite, there would be no way to exclude foo1/bar
- * while allowing foo2/bar.)
- */
- if (excluded(bsdtar, archive_entry_pathname(entry)))
- continue; /* Excluded by a pattern test. */
-
- if (mode == 't') {
- /* Perversely, gtar uses -O to mean "send to stderr"
- * when used with -t. */
- out = bsdtar->option_stdout ? stderr : stdout;
-
- /*
- * TODO: Provide some reasonable way to
- * preview rewrites. gtar always displays
- * the unedited path in -t output, which means
- * you cannot easily preview rewrites.
- */
- if (bsdtar->verbose < 2)
- safe_fprintf(out, "%s",
- archive_entry_pathname(entry));
- else
- list_item_verbose(bsdtar, out, entry);
- fflush(out);
- r = archive_read_data_skip(a);
- if (r == ARCHIVE_WARN) {
- fprintf(out, "\n");
- bsdtar_warnc(bsdtar, 0, "%s",
- archive_error_string(a));
- }
- if (r == ARCHIVE_RETRY) {
- fprintf(out, "\n");
- bsdtar_warnc(bsdtar, 0, "%s",
- archive_error_string(a));
- }
- if (r == ARCHIVE_FATAL) {
- fprintf(out, "\n");
- bsdtar_warnc(bsdtar, 0, "%s",
- archive_error_string(a));
- bsdtar->return_value = 1;
- break;
- }
- fprintf(out, "\n");
- } else {
- /* Note: some rewrite failures prevent extraction. */
- if (edit_pathname(bsdtar, entry))
- continue; /* Excluded by a rewrite failure. */
-
- if (bsdtar->option_interactive &&
- !yes("extract '%s'", archive_entry_pathname(entry)))
- continue;
-
- /*
- * Format here is from SUSv2, including the
- * deferred '\n'.
- */
- if (bsdtar->verbose) {
- safe_fprintf(stderr, "x %s",
- archive_entry_pathname(entry));
- fflush(stderr);
- }
-
- /* Tell the SIGINFO-handler code what we're doing. */
- siginfo_setinfo(bsdtar, "extracting",
- archive_entry_pathname(entry), 0);
- siginfo_printinfo(bsdtar, 0);
-
- if (bsdtar->option_stdout)
- r = archive_read_data_into_fd(a, 1);
- else
- r = archive_read_extract(a, entry,
- bsdtar->extract_flags);
- if (r != ARCHIVE_OK) {
- if (!bsdtar->verbose)
- safe_fprintf(stderr, "%s",
- archive_entry_pathname(entry));
- safe_fprintf(stderr, ": %s",
- archive_error_string(a));
- if (!bsdtar->verbose)
- fprintf(stderr, "\n");
- bsdtar->return_value = 1;
- }
- if (bsdtar->verbose)
- fprintf(stderr, "\n");
- if (r == ARCHIVE_FATAL)
- break;
- }
- }
-
-
- r = archive_read_close(a);
- if (r != ARCHIVE_OK)
- bsdtar_warnc(bsdtar, 0, "%s", archive_error_string(a));
- if (r <= ARCHIVE_WARN)
- bsdtar->return_value = 1;
-
- if (bsdtar->verbose > 2)
- fprintf(stdout, "Archive Format: %s, Compression: %s\n",
- archive_format_name(a), archive_compression_name(a));
-
- archive_read_finish(a);
-}
-
-
-/*
- * Display information about the current file.
- *
- * The format here roughly duplicates the output of 'ls -l'.
- * This is based on SUSv2, where 'tar tv' is documented as
- * listing additional information in an "unspecified format,"
- * and 'pax -l' is documented as using the same format as 'ls -l'.
- */
-static void
-list_item_verbose(struct bsdtar *bsdtar, FILE *out, struct archive_entry *entry)
-{
- const struct stat *st;
- char tmp[100];
- size_t w;
- const char *p;
- const char *fmt;
- time_t tim;
- static time_t now;
-
- st = archive_entry_stat(entry);
-
- /*
- * We avoid collecting the entire list in memory at once by
- * listing things as we see them. However, that also means we can't
- * just pre-compute the field widths. Instead, we start with guesses
- * and just widen them as necessary. These numbers are completely
- * arbitrary.
- */
- if (!bsdtar->u_width) {
- bsdtar->u_width = 6;
- bsdtar->gs_width = 13;
- }
- if (!now)
- time(&now);
- fprintf(out, "%s %d ",
- archive_entry_strmode(entry),
- (int)(st->st_nlink));
-
- /* Use uname if it's present, else uid. */
- p = archive_entry_uname(entry);
- if ((p == NULL) || (*p == '\0')) {
- sprintf(tmp, "%lu ", (unsigned long)st->st_uid);
- p = tmp;
- }
- w = strlen(p);
- if (w > bsdtar->u_width)
- bsdtar->u_width = w;
- fprintf(out, "%-*s ", (int)bsdtar->u_width, p);
-
- /* Use gname if it's present, else gid. */
- p = archive_entry_gname(entry);
- if (p != NULL && p[0] != '\0') {
- fprintf(out, "%s", p);
- w = strlen(p);
- } else {
- sprintf(tmp, "%lu", (unsigned long)st->st_gid);
- w = strlen(tmp);
- fprintf(out, "%s", tmp);
- }
-
- /*
- * Print device number or file size, right-aligned so as to make
- * total width of group and devnum/filesize fields be gs_width.
- * If gs_width is too small, grow it.
- */
- if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
- sprintf(tmp, "%lu,%lu",
- (unsigned long)major(st->st_rdev),
- (unsigned long)minor(st->st_rdev)); /* ls(1) also casts here. */
- } else {
- /*
- * Note the use of platform-dependent macros to format
- * the filesize here. We need the format string and the
- * corresponding type for the cast.
- */
- sprintf(tmp, BSDTAR_FILESIZE_PRINTF,
- (BSDTAR_FILESIZE_TYPE)st->st_size);
- }
- if (w + strlen(tmp) >= bsdtar->gs_width)
- bsdtar->gs_width = w+strlen(tmp)+1;
- fprintf(out, "%*s", (int)(bsdtar->gs_width - w), tmp);
-
- /* Format the time using 'ls -l' conventions. */
- tim = (time_t)st->st_mtime;
-#if defined(_WIN32) && !defined(__CYGWIN__)
- /* Windows' strftime function does not support %e format. */
- if (abs(tim - now) > (365/2)*86400)
- fmt = bsdtar->day_first ? "%d %b %Y" : "%b %d %Y";
- else
- fmt = bsdtar->day_first ? "%d %b %H:%M" : "%b %d %H:%M";
-#else
- if (abs(tim - now) > (365/2)*86400)
- fmt = bsdtar->day_first ? "%e %b %Y" : "%b %e %Y";
- else
- fmt = bsdtar->day_first ? "%e %b %H:%M" : "%b %e %H:%M";
-#endif
- strftime(tmp, sizeof(tmp), fmt, localtime(&tim));
- fprintf(out, " %s ", tmp);
- safe_fprintf(out, "%s", archive_entry_pathname(entry));
-
- /* Extra information for links. */
- if (archive_entry_hardlink(entry)) /* Hard link */
- safe_fprintf(out, " link to %s",
- archive_entry_hardlink(entry));
- else if (S_ISLNK(st->st_mode)) /* Symbolic link */
- safe_fprintf(out, " -> %s", archive_entry_symlink(entry));
-}
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