f976241773
Update libarchive to 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() X-MFC-With: r356212,r356365,r356416 MFC after: 1 week
771 lines
21 KiB
C
771 lines
21 KiB
C
/*-
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* Copyright (c) 2003-2007 Tim Kientzle
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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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#include "bsdtar_platform.h"
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__FBSDID("$FreeBSD$");
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h> /* Linux doesn't define mode_t, etc. in sys/stat.h. */
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#endif
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#include <ctype.h>
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#ifdef HAVE_IO_H
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#include <io.h>
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#endif
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#ifdef HAVE_STDARG_H
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#include <stdarg.h>
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#endif
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include <stdio.h>
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_WCTYPE_H
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#include <wctype.h>
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#else
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/* If we don't have wctype, we need to hack up some version of iswprint(). */
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#define iswprint isprint
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#endif
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#include "bsdtar.h"
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#include "err.h"
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#include "passphrase.h"
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static size_t bsdtar_expand_char(char *, size_t, char);
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static const char *strip_components(const char *path, int elements);
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#if defined(_WIN32) && !defined(__CYGWIN__)
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#define read _read
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#endif
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/* TODO: Hack up a version of mbtowc for platforms with no wide
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* character support at all. I think the following might suffice,
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* but it needs careful testing.
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* #if !HAVE_MBTOWC
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* #define mbtowc(wcp, p, n) ((*wcp = *p), 1)
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* #endif
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*/
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/*
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* Print a string, taking care with any non-printable characters.
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*
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* Note that we use a stack-allocated buffer to receive the formatted
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* string if we can. This is partly performance (avoiding a call to
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* malloc()), partly out of expedience (we have to call vsnprintf()
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* before malloc() anyway to find out how big a buffer we need; we may
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* as well point that first call at a small local buffer in case it
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* works), but mostly for safety (so we can use this to print messages
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* about out-of-memory conditions).
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*/
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void
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safe_fprintf(FILE *f, const char *fmt, ...)
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{
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char fmtbuff_stack[256]; /* Place to format the printf() string. */
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char outbuff[256]; /* Buffer for outgoing characters. */
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char *fmtbuff_heap; /* If fmtbuff_stack is too small, we use malloc */
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char *fmtbuff; /* Pointer to fmtbuff_stack or fmtbuff_heap. */
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int fmtbuff_length;
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int length, n;
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va_list ap;
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const char *p;
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unsigned i;
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wchar_t wc;
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char try_wc;
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/* Use a stack-allocated buffer if we can, for speed and safety. */
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fmtbuff_heap = NULL;
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fmtbuff_length = sizeof(fmtbuff_stack);
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fmtbuff = fmtbuff_stack;
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/* Try formatting into the stack buffer. */
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va_start(ap, fmt);
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length = vsnprintf(fmtbuff, fmtbuff_length, fmt, ap);
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va_end(ap);
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/* If the result was too large, allocate a buffer on the heap. */
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while (length < 0 || length >= fmtbuff_length) {
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if (length >= fmtbuff_length)
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fmtbuff_length = length+1;
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else if (fmtbuff_length < 8192)
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fmtbuff_length *= 2;
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else if (fmtbuff_length < 1000000)
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fmtbuff_length += fmtbuff_length / 4;
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else {
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length = fmtbuff_length;
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fmtbuff_heap[length-1] = '\0';
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break;
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}
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free(fmtbuff_heap);
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fmtbuff_heap = malloc(fmtbuff_length);
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/* Reformat the result into the heap buffer if we can. */
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if (fmtbuff_heap != NULL) {
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fmtbuff = fmtbuff_heap;
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va_start(ap, fmt);
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length = vsnprintf(fmtbuff, fmtbuff_length, fmt, ap);
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va_end(ap);
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} else {
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/* Leave fmtbuff pointing to the truncated
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* string in fmtbuff_stack. */
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fmtbuff = fmtbuff_stack;
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length = sizeof(fmtbuff_stack) - 1;
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break;
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}
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}
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/* Note: mbrtowc() has a cleaner API, but mbtowc() seems a bit
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* more portable, so we use that here instead. */
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if (mbtowc(NULL, NULL, 1) == -1) { /* Reset the shift state. */
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/* mbtowc() should never fail in practice, but
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* handle the theoretical error anyway. */
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free(fmtbuff_heap);
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return;
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}
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/* Write data, expanding unprintable characters. */
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p = fmtbuff;
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i = 0;
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try_wc = 1;
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while (*p != '\0') {
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/* Convert to wide char, test if the wide
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* char is printable in the current locale. */
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if (try_wc && (n = mbtowc(&wc, p, length)) != -1) {
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length -= n;
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if (iswprint(wc) && wc != L'\\') {
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/* Printable, copy the bytes through. */
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while (n-- > 0)
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outbuff[i++] = *p++;
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} else {
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/* Not printable, format the bytes. */
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while (n-- > 0)
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i += (unsigned)bsdtar_expand_char(
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outbuff, i, *p++);
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}
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} else {
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/* After any conversion failure, don't bother
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* trying to convert the rest. */
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i += (unsigned)bsdtar_expand_char(outbuff, i, *p++);
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try_wc = 0;
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}
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/* If our output buffer is full, dump it and keep going. */
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if (i > (sizeof(outbuff) - 128)) {
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outbuff[i] = '\0';
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fprintf(f, "%s", outbuff);
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i = 0;
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}
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}
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outbuff[i] = '\0';
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fprintf(f, "%s", outbuff);
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/* If we allocated a heap-based formatting buffer, free it now. */
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free(fmtbuff_heap);
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}
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/*
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* Render an arbitrary sequence of bytes into printable ASCII characters.
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*/
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static size_t
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bsdtar_expand_char(char *buff, size_t offset, char c)
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{
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size_t i = offset;
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if (isprint((unsigned char)c) && c != '\\')
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buff[i++] = c;
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else {
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buff[i++] = '\\';
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switch (c) {
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case '\a': buff[i++] = 'a'; break;
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case '\b': buff[i++] = 'b'; break;
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case '\f': buff[i++] = 'f'; break;
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case '\n': buff[i++] = 'n'; break;
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#if '\r' != '\n'
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/* On some platforms, \n and \r are the same. */
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case '\r': buff[i++] = 'r'; break;
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#endif
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case '\t': buff[i++] = 't'; break;
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case '\v': buff[i++] = 'v'; break;
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case '\\': buff[i++] = '\\'; break;
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default:
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sprintf(buff + i, "%03o", 0xFF & (int)c);
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i += 3;
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}
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}
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return (i - offset);
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}
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int
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yes(const char *fmt, ...)
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{
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char buff[32];
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char *p;
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ssize_t l;
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fprintf(stderr, " (y/N)? ");
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fflush(stderr);
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l = read(2, buff, sizeof(buff) - 1);
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if (l < 0) {
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fprintf(stderr, "Keyboard read failed\n");
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exit(1);
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}
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if (l == 0)
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return (0);
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buff[l] = 0;
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for (p = buff; *p != '\0'; p++) {
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if (isspace((unsigned char)*p))
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continue;
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switch(*p) {
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case 'y': case 'Y':
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return (1);
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case 'n': case 'N':
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return (0);
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default:
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return (0);
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}
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}
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return (0);
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}
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/*-
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* The logic here for -C <dir> attempts to avoid
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* chdir() as long as possible. For example:
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* "-C /foo -C /bar file" needs chdir("/bar") but not chdir("/foo")
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* "-C /foo -C bar file" needs chdir("/foo/bar")
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* "-C /foo -C bar /file1" does not need chdir()
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* "-C /foo -C bar /file1 file2" needs chdir("/foo/bar") before file2
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*
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* The only correct way to handle this is to record a "pending" chdir
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* request and combine multiple requests intelligently until we
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* need to process a non-absolute file. set_chdir() adds the new dir
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* to the pending list; do_chdir() actually executes any pending chdir.
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*
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* This way, programs that build tar command lines don't have to worry
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* about -C with non-existent directories; such requests will only
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* fail if the directory must be accessed.
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*
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*/
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void
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set_chdir(struct bsdtar *bsdtar, const char *newdir)
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{
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#if defined(_WIN32) && !defined(__CYGWIN__)
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if (newdir[0] == '/' || newdir[0] == '\\' ||
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/* Detect this type, for example, "C:\" or "C:/" */
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(((newdir[0] >= 'a' && newdir[0] <= 'z') ||
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(newdir[0] >= 'A' && newdir[0] <= 'Z')) &&
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newdir[1] == ':' && (newdir[2] == '/' || newdir[2] == '\\'))) {
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#else
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if (newdir[0] == '/') {
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#endif
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/* The -C /foo -C /bar case; dump first one. */
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free(bsdtar->pending_chdir);
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bsdtar->pending_chdir = NULL;
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}
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if (bsdtar->pending_chdir == NULL)
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/* Easy case: no previously-saved dir. */
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bsdtar->pending_chdir = strdup(newdir);
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else {
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/* The -C /foo -C bar case; concatenate */
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char *old_pending = bsdtar->pending_chdir;
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size_t old_len = strlen(old_pending);
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bsdtar->pending_chdir = malloc(old_len + strlen(newdir) + 2);
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if (old_pending[old_len - 1] == '/')
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old_pending[old_len - 1] = '\0';
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if (bsdtar->pending_chdir != NULL)
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sprintf(bsdtar->pending_chdir, "%s/%s",
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old_pending, newdir);
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free(old_pending);
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}
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if (bsdtar->pending_chdir == NULL)
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lafe_errc(1, errno, "No memory");
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}
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void
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do_chdir(struct bsdtar *bsdtar)
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{
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if (bsdtar->pending_chdir == NULL)
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return;
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if (chdir(bsdtar->pending_chdir) != 0) {
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lafe_errc(1, 0, "could not chdir to '%s'\n",
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bsdtar->pending_chdir);
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}
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free(bsdtar->pending_chdir);
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bsdtar->pending_chdir = NULL;
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}
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static const char *
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strip_components(const char *p, int elements)
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{
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/* Skip as many elements as necessary. */
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while (elements > 0) {
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switch (*p++) {
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case '/':
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#if defined(_WIN32) && !defined(__CYGWIN__)
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case '\\': /* Support \ path sep on Windows ONLY. */
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#endif
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elements--;
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break;
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case '\0':
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/* Path is too short, skip it. */
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return (NULL);
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}
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}
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/* Skip any / characters. This handles short paths that have
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* additional / termination. This also handles the case where
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* the logic above stops in the middle of a duplicate //
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* sequence (which would otherwise get converted to an
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* absolute path). */
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for (;;) {
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switch (*p) {
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case '/':
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#if defined(_WIN32) && !defined(__CYGWIN__)
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case '\\': /* Support \ path sep on Windows ONLY. */
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#endif
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++p;
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break;
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case '\0':
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return (NULL);
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default:
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return (p);
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}
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}
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}
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static void
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warn_strip_leading_char(struct bsdtar *bsdtar, const char *c)
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{
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if (!bsdtar->warned_lead_slash) {
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lafe_warnc(0,
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"Removing leading '%c' from member names",
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c[0]);
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bsdtar->warned_lead_slash = 1;
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}
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}
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static void
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warn_strip_drive_letter(struct bsdtar *bsdtar)
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{
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if (!bsdtar->warned_lead_slash) {
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lafe_warnc(0,
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"Removing leading drive letter from "
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"member names");
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bsdtar->warned_lead_slash = 1;
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}
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}
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/*
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* Convert absolute path to non-absolute path by skipping leading
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* absolute path prefixes.
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*/
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static const char*
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strip_absolute_path(struct bsdtar *bsdtar, const char *p)
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{
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const char *rp;
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/* Remove leading "//./" or "//?/" or "//?/UNC/"
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* (absolute path prefixes used by Windows API) */
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if ((p[0] == '/' || p[0] == '\\') &&
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(p[1] == '/' || p[1] == '\\') &&
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(p[2] == '.' || p[2] == '?') &&
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(p[3] == '/' || p[3] == '\\'))
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{
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if (p[2] == '?' &&
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(p[4] == 'U' || p[4] == 'u') &&
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(p[5] == 'N' || p[5] == 'n') &&
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(p[6] == 'C' || p[6] == 'c') &&
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(p[7] == '/' || p[7] == '\\'))
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p += 8;
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else
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p += 4;
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warn_strip_drive_letter(bsdtar);
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}
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/* Remove multiple leading slashes and Windows drive letters. */
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do {
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rp = p;
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if (((p[0] >= 'a' && p[0] <= 'z') ||
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(p[0] >= 'A' && p[0] <= 'Z')) &&
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p[1] == ':') {
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p += 2;
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warn_strip_drive_letter(bsdtar);
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}
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/* Remove leading "/../", "/./", "//", etc. */
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while (p[0] == '/' || p[0] == '\\') {
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if (p[1] == '.' &&
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p[2] == '.' &&
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(p[3] == '/' || p[3] == '\\')) {
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p += 3; /* Remove "/..", leave "/" for next pass. */
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} else if (p[1] == '.' &&
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(p[2] == '/' || p[2] == '\\')) {
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p += 2; /* Remove "/.", leave "/" for next pass. */
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} else
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p += 1; /* Remove "/". */
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warn_strip_leading_char(bsdtar, rp);
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}
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} while (rp != p);
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return (p);
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}
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/*
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* Handle --strip-components and any future path-rewriting options.
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* Returns non-zero if the pathname should not be extracted.
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*
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* Note: The rewrites are applied uniformly to pathnames and hardlink
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* names but not to symlink bodies. This is deliberate: Symlink
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* bodies are not necessarily filenames. Even when they are, they
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* need to be interpreted relative to the directory containing them,
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* so simple rewrites like this are rarely appropriate.
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*
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* TODO: Support pax-style regex path rewrites.
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*/
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int
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edit_pathname(struct bsdtar *bsdtar, struct archive_entry *entry)
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{
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const char *name = archive_entry_pathname(entry);
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const char *original_name = name;
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const char *hardlinkname = archive_entry_hardlink(entry);
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const char *original_hardlinkname = hardlinkname;
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#if defined(HAVE_REGEX_H) || defined(HAVE_PCREPOSIX_H)
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char *subst_name;
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int r;
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/* Apply user-specified substitution to pathname. */
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r = apply_substitution(bsdtar, name, &subst_name, 0, 0);
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if (r == -1) {
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lafe_warnc(0, "Invalid substitution, skipping entry");
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return 1;
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}
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if (r == 1) {
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archive_entry_copy_pathname(entry, subst_name);
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if (*subst_name == '\0') {
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free(subst_name);
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return -1;
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} else
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free(subst_name);
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name = archive_entry_pathname(entry);
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original_name = name;
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}
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/* Apply user-specified substitution to hardlink target. */
|
|
if (hardlinkname != NULL) {
|
|
r = apply_substitution(bsdtar, hardlinkname, &subst_name, 0, 1);
|
|
if (r == -1) {
|
|
lafe_warnc(0, "Invalid substitution, skipping entry");
|
|
return 1;
|
|
}
|
|
if (r == 1) {
|
|
archive_entry_copy_hardlink(entry, subst_name);
|
|
free(subst_name);
|
|
}
|
|
hardlinkname = archive_entry_hardlink(entry);
|
|
original_hardlinkname = hardlinkname;
|
|
}
|
|
|
|
/* Apply user-specified substitution to symlink body. */
|
|
if (archive_entry_symlink(entry) != NULL) {
|
|
r = apply_substitution(bsdtar, archive_entry_symlink(entry), &subst_name, 1, 0);
|
|
if (r == -1) {
|
|
lafe_warnc(0, "Invalid substitution, skipping entry");
|
|
return 1;
|
|
}
|
|
if (r == 1) {
|
|
archive_entry_copy_symlink(entry, subst_name);
|
|
free(subst_name);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* Strip leading dir names as per --strip-components option. */
|
|
if (bsdtar->strip_components > 0) {
|
|
name = strip_components(name, bsdtar->strip_components);
|
|
if (name == NULL)
|
|
return (1);
|
|
|
|
if (hardlinkname != NULL) {
|
|
hardlinkname = strip_components(hardlinkname,
|
|
bsdtar->strip_components);
|
|
if (hardlinkname == NULL)
|
|
return (1);
|
|
}
|
|
}
|
|
|
|
if ((bsdtar->flags & OPTFLAG_ABSOLUTE_PATHS) == 0) {
|
|
/* By default, don't write or restore absolute pathnames. */
|
|
name = strip_absolute_path(bsdtar, name);
|
|
if (*name == '\0')
|
|
name = ".";
|
|
|
|
if (hardlinkname != NULL) {
|
|
hardlinkname = strip_absolute_path(bsdtar, hardlinkname);
|
|
if (*hardlinkname == '\0')
|
|
return (1);
|
|
}
|
|
} else {
|
|
/* Strip redundant leading '/' characters. */
|
|
while (name[0] == '/' && name[1] == '/')
|
|
name++;
|
|
}
|
|
|
|
/* Replace name in archive_entry. */
|
|
if (name != original_name) {
|
|
archive_entry_copy_pathname(entry, name);
|
|
}
|
|
if (hardlinkname != original_hardlinkname) {
|
|
archive_entry_copy_hardlink(entry, hardlinkname);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* It would be nice to just use printf() for formatting large numbers,
|
|
* but the compatibility problems are quite a headache. Hence the
|
|
* following simple utility function.
|
|
*/
|
|
const char *
|
|
tar_i64toa(int64_t n0)
|
|
{
|
|
static char buff[24];
|
|
uint64_t n = n0 < 0 ? -n0 : n0;
|
|
char *p = buff + sizeof(buff);
|
|
|
|
*--p = '\0';
|
|
do {
|
|
*--p = '0' + (int)(n % 10);
|
|
} while (n /= 10);
|
|
if (n0 < 0)
|
|
*--p = '-';
|
|
return p;
|
|
}
|
|
|
|
/*
|
|
* Like strcmp(), but try to be a little more aware of the fact that
|
|
* we're comparing two paths. Right now, it just handles leading
|
|
* "./" and trailing '/' specially, so that "a/b/" == "./a/b"
|
|
*
|
|
* TODO: Make this better, so that "./a//b/./c/" == "a/b/c"
|
|
* TODO: After this works, push it down into libarchive.
|
|
* TODO: Publish the path normalization routines in libarchive so
|
|
* that bsdtar can normalize paths and use fast strcmp() instead
|
|
* of this.
|
|
*
|
|
* Note: This is currently only used within write.c, so should
|
|
* not handle \ path separators.
|
|
*/
|
|
|
|
int
|
|
pathcmp(const char *a, const char *b)
|
|
{
|
|
/* Skip leading './' */
|
|
if (a[0] == '.' && a[1] == '/' && a[2] != '\0')
|
|
a += 2;
|
|
if (b[0] == '.' && b[1] == '/' && b[2] != '\0')
|
|
b += 2;
|
|
/* Find the first difference, or return (0) if none. */
|
|
while (*a == *b) {
|
|
if (*a == '\0')
|
|
return (0);
|
|
a++;
|
|
b++;
|
|
}
|
|
/*
|
|
* If one ends in '/' and the other one doesn't,
|
|
* they're the same.
|
|
*/
|
|
if (a[0] == '/' && a[1] == '\0' && b[0] == '\0')
|
|
return (0);
|
|
if (a[0] == '\0' && b[0] == '/' && b[1] == '\0')
|
|
return (0);
|
|
/* They're really different, return the correct sign. */
|
|
return (*(const unsigned char *)a - *(const unsigned char *)b);
|
|
}
|
|
|
|
#define PPBUFF_SIZE 1024
|
|
const char *
|
|
passphrase_callback(struct archive *a, void *_client_data)
|
|
{
|
|
struct bsdtar *bsdtar = (struct bsdtar *)_client_data;
|
|
(void)a; /* UNUSED */
|
|
|
|
if (bsdtar->ppbuff == NULL) {
|
|
bsdtar->ppbuff = malloc(PPBUFF_SIZE);
|
|
if (bsdtar->ppbuff == NULL)
|
|
lafe_errc(1, errno, "Out of memory");
|
|
}
|
|
return lafe_readpassphrase("Enter passphrase:",
|
|
bsdtar->ppbuff, PPBUFF_SIZE);
|
|
}
|
|
|
|
void
|
|
passphrase_free(char *ppbuff)
|
|
{
|
|
if (ppbuff != NULL) {
|
|
memset(ppbuff, 0, PPBUFF_SIZE);
|
|
free(ppbuff);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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'.
|
|
*/
|
|
void
|
|
list_item_verbose(struct bsdtar *bsdtar, FILE *out, struct archive_entry *entry)
|
|
{
|
|
char tmp[100];
|
|
size_t w;
|
|
const char *p;
|
|
const char *fmt;
|
|
time_t tim;
|
|
static time_t now;
|
|
struct tm *ltime;
|
|
#if defined(HAVE_LOCALTIME_R) || defined(HAVE__LOCALTIME64_S)
|
|
struct tm tmbuf;
|
|
#endif
|
|
#if defined(HAVE__LOCALTIME64_S)
|
|
errno_t terr;
|
|
__time64_t tmptime;
|
|
#endif
|
|
|
|
/*
|
|
* 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),
|
|
archive_entry_nlink(entry));
|
|
|
|
/* Use uname if it's present, else uid. */
|
|
p = archive_entry_uname(entry);
|
|
if ((p == NULL) || (*p == '\0')) {
|
|
sprintf(tmp, "%lu ",
|
|
(unsigned long)archive_entry_uid(entry));
|
|
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)archive_entry_gid(entry));
|
|
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 (archive_entry_filetype(entry) == AE_IFCHR
|
|
|| archive_entry_filetype(entry) == AE_IFBLK) {
|
|
sprintf(tmp, "%lu,%lu",
|
|
(unsigned long)archive_entry_rdevmajor(entry),
|
|
(unsigned long)archive_entry_rdevminor(entry));
|
|
} else {
|
|
strcpy(tmp, tar_i64toa(archive_entry_size(entry)));
|
|
}
|
|
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 = archive_entry_mtime(entry);
|
|
#define HALF_YEAR (time_t)365 * 86400 / 2
|
|
#if defined(_WIN32) && !defined(__CYGWIN__)
|
|
#define DAY_FMT "%d" /* Windows' strftime function does not support %e format. */
|
|
#else
|
|
#define DAY_FMT "%e" /* Day number without leading zeros */
|
|
#endif
|
|
if (tim < now - HALF_YEAR || tim > now + HALF_YEAR)
|
|
fmt = bsdtar->day_first ? DAY_FMT " %b %Y" : "%b " DAY_FMT " %Y";
|
|
else
|
|
fmt = bsdtar->day_first ? DAY_FMT " %b %H:%M" : "%b " DAY_FMT " %H:%M";
|
|
#if defined(HAVE_LOCALTIME_R)
|
|
ltime = localtime_r(&tim, &tmbuf);
|
|
#elif defined(HAVE__LOCALTIME64_S)
|
|
tmptime = tim;
|
|
terr = _localtime64_s(&tmbuf, &tmptime);
|
|
if (terr)
|
|
ltime = NULL;
|
|
else
|
|
ltime = &tmbuf;
|
|
#else
|
|
ltime = localtime(&tim);
|
|
#endif
|
|
strftime(tmp, sizeof(tmp), fmt, ltime);
|
|
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 (archive_entry_symlink(entry)) /* Symbolic link */
|
|
safe_fprintf(out, " -> %s", archive_entry_symlink(entry));
|
|
}
|