You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
271 lines
6.9 KiB
271 lines
6.9 KiB
/*-
|
|
* 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 "archive_platform.h"
|
|
__FBSDID("$FreeBSD: head/lib/libarchive/archive_write_open_filename.c 191165 2009-04-17 00:39:35Z kientzle $");
|
|
|
|
#ifdef HAVE_SYS_STAT_H
|
|
#include <sys/stat.h>
|
|
#endif
|
|
#ifdef HAVE_ERRNO_H
|
|
#include <errno.h>
|
|
#endif
|
|
#ifdef HAVE_FCNTL_H
|
|
#include <fcntl.h>
|
|
#endif
|
|
#ifdef HAVE_STDLIB_H
|
|
#include <stdlib.h>
|
|
#endif
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include "archive.h"
|
|
#include "archive_private.h"
|
|
#include "archive_string.h"
|
|
|
|
#ifndef O_BINARY
|
|
#define O_BINARY 0
|
|
#endif
|
|
#ifndef O_CLOEXEC
|
|
#define O_CLOEXEC 0
|
|
#endif
|
|
|
|
struct write_file_data {
|
|
int fd;
|
|
struct archive_mstring filename;
|
|
};
|
|
|
|
static int file_close(struct archive *, void *);
|
|
static int file_free(struct archive *, void *);
|
|
static int file_open(struct archive *, void *);
|
|
static ssize_t file_write(struct archive *, void *, const void *buff, size_t);
|
|
static int open_filename(struct archive *, int, const void *);
|
|
|
|
int
|
|
archive_write_open_file(struct archive *a, const char *filename)
|
|
{
|
|
return (archive_write_open_filename(a, filename));
|
|
}
|
|
|
|
int
|
|
archive_write_open_filename(struct archive *a, const char *filename)
|
|
{
|
|
|
|
if (filename == NULL || filename[0] == '\0')
|
|
return (archive_write_open_fd(a, 1));
|
|
|
|
return (open_filename(a, 1, filename));
|
|
}
|
|
|
|
int
|
|
archive_write_open_filename_w(struct archive *a, const wchar_t *filename)
|
|
{
|
|
|
|
if (filename == NULL || filename[0] == L'\0')
|
|
return (archive_write_open_fd(a, 1));
|
|
|
|
return (open_filename(a, 0, filename));
|
|
}
|
|
|
|
static int
|
|
open_filename(struct archive *a, int mbs_fn, const void *filename)
|
|
{
|
|
struct write_file_data *mine;
|
|
int r;
|
|
|
|
mine = (struct write_file_data *)calloc(1, sizeof(*mine));
|
|
if (mine == NULL) {
|
|
archive_set_error(a, ENOMEM, "No memory");
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
if (mbs_fn)
|
|
r = archive_mstring_copy_mbs(&mine->filename, filename);
|
|
else
|
|
r = archive_mstring_copy_wcs(&mine->filename, filename);
|
|
if (r < 0) {
|
|
if (errno == ENOMEM) {
|
|
archive_set_error(a, ENOMEM, "No memory");
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
if (mbs_fn)
|
|
archive_set_error(a, ARCHIVE_ERRNO_MISC,
|
|
"Can't convert '%s' to WCS",
|
|
(const char *)filename);
|
|
else
|
|
archive_set_error(a, ARCHIVE_ERRNO_MISC,
|
|
"Can't convert '%S' to MBS",
|
|
(const wchar_t *)filename);
|
|
return (ARCHIVE_FAILED);
|
|
}
|
|
mine->fd = -1;
|
|
return (archive_write_open2(a, mine,
|
|
file_open, file_write, file_close, file_free));
|
|
}
|
|
|
|
static int
|
|
file_open(struct archive *a, void *client_data)
|
|
{
|
|
int flags;
|
|
struct write_file_data *mine;
|
|
struct stat st;
|
|
#if defined(_WIN32) && !defined(__CYGWIN__)
|
|
wchar_t *fullpath;
|
|
#endif
|
|
const wchar_t *wcs;
|
|
const char *mbs;
|
|
|
|
mine = (struct write_file_data *)client_data;
|
|
flags = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY | O_CLOEXEC;
|
|
|
|
/*
|
|
* Open the file.
|
|
*/
|
|
mbs = NULL; wcs = NULL;
|
|
#if defined(_WIN32) && !defined(__CYGWIN__)
|
|
if (archive_mstring_get_wcs(a, &mine->filename, &wcs) != 0) {
|
|
if (errno == ENOMEM)
|
|
archive_set_error(a, errno, "No memory");
|
|
else {
|
|
archive_mstring_get_mbs(a, &mine->filename, &mbs);
|
|
archive_set_error(a, errno,
|
|
"Can't convert '%s' to WCS", mbs);
|
|
}
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
fullpath = __la_win_permissive_name_w(wcs);
|
|
if (fullpath != NULL) {
|
|
mine->fd = _wopen(fullpath, flags, 0666);
|
|
free(fullpath);
|
|
} else
|
|
mine->fd = _wopen(wcs, flags, 0666);
|
|
#else
|
|
if (archive_mstring_get_mbs(a, &mine->filename, &mbs) != 0) {
|
|
if (errno == ENOMEM)
|
|
archive_set_error(a, errno, "No memory");
|
|
else {
|
|
archive_mstring_get_wcs(a, &mine->filename, &wcs);
|
|
archive_set_error(a, errno,
|
|
"Can't convert '%S' to MBS", wcs);
|
|
}
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
mine->fd = open(mbs, flags, 0666);
|
|
__archive_ensure_cloexec_flag(mine->fd);
|
|
#endif
|
|
if (mine->fd < 0) {
|
|
if (mbs != NULL)
|
|
archive_set_error(a, errno, "Failed to open '%s'", mbs);
|
|
else
|
|
archive_set_error(a, errno, "Failed to open '%S'", wcs);
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
|
|
if (fstat(mine->fd, &st) != 0) {
|
|
if (mbs != NULL)
|
|
archive_set_error(a, errno, "Couldn't stat '%s'", mbs);
|
|
else
|
|
archive_set_error(a, errno, "Couldn't stat '%S'", wcs);
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
|
|
/*
|
|
* Set up default last block handling.
|
|
*/
|
|
if (archive_write_get_bytes_in_last_block(a) < 0) {
|
|
if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode) ||
|
|
S_ISFIFO(st.st_mode))
|
|
/* Pad last block when writing to device or FIFO. */
|
|
archive_write_set_bytes_in_last_block(a, 0);
|
|
else
|
|
/* Don't pad last block otherwise. */
|
|
archive_write_set_bytes_in_last_block(a, 1);
|
|
}
|
|
|
|
/*
|
|
* If the output file is a regular file, don't add it to
|
|
* itself. If it's a device file, it's okay to add the device
|
|
* entry to the output archive.
|
|
*/
|
|
if (S_ISREG(st.st_mode))
|
|
archive_write_set_skip_file(a, st.st_dev, st.st_ino);
|
|
|
|
return (ARCHIVE_OK);
|
|
}
|
|
|
|
static ssize_t
|
|
file_write(struct archive *a, void *client_data, const void *buff,
|
|
size_t length)
|
|
{
|
|
struct write_file_data *mine;
|
|
ssize_t bytesWritten;
|
|
|
|
mine = (struct write_file_data *)client_data;
|
|
for (;;) {
|
|
bytesWritten = write(mine->fd, buff, length);
|
|
if (bytesWritten <= 0) {
|
|
if (errno == EINTR)
|
|
continue;
|
|
archive_set_error(a, errno, "Write error");
|
|
return (-1);
|
|
}
|
|
return (bytesWritten);
|
|
}
|
|
}
|
|
|
|
static int
|
|
file_close(struct archive *a, void *client_data)
|
|
{
|
|
struct write_file_data *mine = (struct write_file_data *)client_data;
|
|
|
|
(void)a; /* UNUSED */
|
|
|
|
if (mine == NULL)
|
|
return (ARCHIVE_FATAL);
|
|
|
|
if (mine->fd >= 0)
|
|
close(mine->fd);
|
|
|
|
return (ARCHIVE_OK);
|
|
}
|
|
|
|
static int
|
|
file_free(struct archive *a, void *client_data)
|
|
{
|
|
struct write_file_data *mine = (struct write_file_data *)client_data;
|
|
|
|
(void)a; /* UNUSED */
|
|
|
|
if (mine == NULL)
|
|
return (ARCHIVE_OK);
|
|
|
|
archive_mstring_clean(&mine->filename);
|
|
free(mine);
|
|
return (ARCHIVE_OK);
|
|
}
|