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-rw-r--r--src/libs/3rdparty/libarchive/archive_write_set_format_cpio_newc.c457
1 files changed, 457 insertions, 0 deletions
diff --git a/src/libs/3rdparty/libarchive/archive_write_set_format_cpio_newc.c b/src/libs/3rdparty/libarchive/archive_write_set_format_cpio_newc.c
new file mode 100644
index 000000000..f0f39809d
--- /dev/null
+++ b/src/libs/3rdparty/libarchive/archive_write_set_format_cpio_newc.c
@@ -0,0 +1,457 @@
+/*-
+ * Copyright (c) 2003-2007 Tim Kientzle
+ * Copyright (c) 2006 Rudolf Marek SYSGO s.r.o.
+ * Copyright (c) 2011-2012 Michihiro NAKAJIMA
+ * 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_set_format_cpio_newc.c 201160 2009-12-29 05:41:57Z kientzle $");
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#include "archive.h"
+#include "archive_entry.h"
+#include "archive_entry_locale.h"
+#include "archive_private.h"
+#include "archive_write_private.h"
+#include "archive_write_set_format_private.h"
+
+static ssize_t archive_write_newc_data(struct archive_write *,
+ const void *buff, size_t s);
+static int archive_write_newc_close(struct archive_write *);
+static int archive_write_newc_free(struct archive_write *);
+static int archive_write_newc_finish_entry(struct archive_write *);
+static int archive_write_newc_header(struct archive_write *,
+ struct archive_entry *);
+static int archive_write_newc_options(struct archive_write *,
+ const char *, const char *);
+static int format_hex(int64_t, void *, int);
+static int64_t format_hex_recursive(int64_t, char *, int);
+static int write_header(struct archive_write *, struct archive_entry *);
+
+struct cpio {
+ uint64_t entry_bytes_remaining;
+ int padding;
+
+ struct archive_string_conv *opt_sconv;
+ struct archive_string_conv *sconv_default;
+ int init_default_conversion;
+};
+
+#define c_magic_offset 0
+#define c_magic_size 6
+#define c_ino_offset 6
+#define c_ino_size 8
+#define c_mode_offset 14
+#define c_mode_size 8
+#define c_uid_offset 22
+#define c_uid_size 8
+#define c_gid_offset 30
+#define c_gid_size 8
+#define c_nlink_offset 38
+#define c_nlink_size 8
+#define c_mtime_offset 46
+#define c_mtime_size 8
+#define c_filesize_offset 54
+#define c_filesize_size 8
+#define c_devmajor_offset 62
+#define c_devmajor_size 8
+#define c_devminor_offset 70
+#define c_devminor_size 8
+#define c_rdevmajor_offset 78
+#define c_rdevmajor_size 8
+#define c_rdevminor_offset 86
+#define c_rdevminor_size 8
+#define c_namesize_offset 94
+#define c_namesize_size 8
+#define c_checksum_offset 102
+#define c_checksum_size 8
+#define c_header_size 110
+
+/* Logic trick: difference between 'n' and next multiple of 4 */
+#define PAD4(n) (3 & (1 + ~(n)))
+
+/*
+ * Set output format to 'cpio' format.
+ */
+int
+archive_write_set_format_cpio_newc(struct archive *_a)
+{
+ struct archive_write *a = (struct archive_write *)_a;
+ struct cpio *cpio;
+
+ archive_check_magic(_a, ARCHIVE_WRITE_MAGIC,
+ ARCHIVE_STATE_NEW, "archive_write_set_format_cpio_newc");
+
+ /* If someone else was already registered, unregister them. */
+ if (a->format_free != NULL)
+ (a->format_free)(a);
+
+ cpio = (struct cpio *)calloc(1, sizeof(*cpio));
+ if (cpio == NULL) {
+ archive_set_error(&a->archive, ENOMEM, "Can't allocate cpio data");
+ return (ARCHIVE_FATAL);
+ }
+ a->format_data = cpio;
+ a->format_name = "cpio";
+ a->format_options = archive_write_newc_options;
+ a->format_write_header = archive_write_newc_header;
+ a->format_write_data = archive_write_newc_data;
+ a->format_finish_entry = archive_write_newc_finish_entry;
+ a->format_close = archive_write_newc_close;
+ a->format_free = archive_write_newc_free;
+ a->archive.archive_format = ARCHIVE_FORMAT_CPIO_SVR4_NOCRC;
+ a->archive.archive_format_name = "SVR4 cpio nocrc";
+ return (ARCHIVE_OK);
+}
+
+static int
+archive_write_newc_options(struct archive_write *a, const char *key,
+ const char *val)
+{
+ struct cpio *cpio = (struct cpio *)a->format_data;
+ int ret = ARCHIVE_FAILED;
+
+ if (strcmp(key, "hdrcharset") == 0) {
+ if (val == NULL || val[0] == 0)
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
+ "%s: hdrcharset option needs a character-set name",
+ a->format_name);
+ else {
+ cpio->opt_sconv = archive_string_conversion_to_charset(
+ &a->archive, val, 0);
+ if (cpio->opt_sconv != NULL)
+ ret = ARCHIVE_OK;
+ else
+ ret = ARCHIVE_FATAL;
+ }
+ return (ret);
+ }
+
+ /* Note: The "warn" return is just to inform the options
+ * supervisor that we didn't handle it. It will generate
+ * a suitable error if no one used this option. */
+ return (ARCHIVE_WARN);
+}
+
+static struct archive_string_conv *
+get_sconv(struct archive_write *a)
+{
+ struct cpio *cpio;
+ struct archive_string_conv *sconv;
+
+ cpio = (struct cpio *)a->format_data;
+ sconv = cpio->opt_sconv;
+ if (sconv == NULL) {
+ if (!cpio->init_default_conversion) {
+ cpio->sconv_default =
+ archive_string_default_conversion_for_write(
+ &(a->archive));
+ cpio->init_default_conversion = 1;
+ }
+ sconv = cpio->sconv_default;
+ }
+ return (sconv);
+}
+
+static int
+archive_write_newc_header(struct archive_write *a, struct archive_entry *entry)
+{
+ const char *path;
+ size_t len;
+
+ if (archive_entry_filetype(entry) == 0 && archive_entry_hardlink(entry) == NULL) {
+ archive_set_error(&a->archive, -1, "Filetype required");
+ return (ARCHIVE_FAILED);
+ }
+
+ if (archive_entry_pathname_l(entry, &path, &len, get_sconv(a)) != 0
+ && errno == ENOMEM) {
+ archive_set_error(&a->archive, ENOMEM,
+ "Can't allocate memory for Pathname");
+ return (ARCHIVE_FATAL);
+ }
+ if (len == 0 || path == NULL || path[0] == '\0') {
+ archive_set_error(&a->archive, -1, "Pathname required");
+ return (ARCHIVE_FAILED);
+ }
+
+ if (archive_entry_hardlink(entry) == NULL
+ && (!archive_entry_size_is_set(entry) || archive_entry_size(entry) < 0)) {
+ archive_set_error(&a->archive, -1, "Size required");
+ return (ARCHIVE_FAILED);
+ }
+ return write_header(a, entry);
+}
+
+static int
+write_header(struct archive_write *a, struct archive_entry *entry)
+{
+ int64_t ino;
+ struct cpio *cpio;
+ const char *p, *path;
+ int pathlength, ret, ret_final;
+ char h[c_header_size];
+ struct archive_string_conv *sconv;
+ struct archive_entry *entry_main;
+ size_t len;
+ int pad;
+
+ cpio = (struct cpio *)a->format_data;
+ ret_final = ARCHIVE_OK;
+ sconv = get_sconv(a);
+
+#if defined(_WIN32) && !defined(__CYGWIN__)
+ /* Make sure the path separators in pathname, hardlink and symlink
+ * are all slash '/', not the Windows path separator '\'. */
+ entry_main = __la_win_entry_in_posix_pathseparator(entry);
+ if (entry_main == NULL) {
+ archive_set_error(&a->archive, ENOMEM,
+ "Can't allocate ustar data");
+ return(ARCHIVE_FATAL);
+ }
+ if (entry != entry_main)
+ entry = entry_main;
+ else
+ entry_main = NULL;
+#else
+ entry_main = NULL;
+#endif
+
+ ret = archive_entry_pathname_l(entry, &path, &len, sconv);
+ if (ret != 0) {
+ if (errno == ENOMEM) {
+ archive_set_error(&a->archive, ENOMEM,
+ "Can't allocate memory for Pathname");
+ ret_final = ARCHIVE_FATAL;
+ goto exit_write_header;
+ }
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
+ "Can't translate pathname '%s' to %s",
+ archive_entry_pathname(entry),
+ archive_string_conversion_charset_name(sconv));
+ ret_final = ARCHIVE_WARN;
+ }
+ pathlength = (int)len + 1; /* Include trailing null. */
+
+ memset(h, 0, c_header_size);
+ format_hex(0x070701, h + c_magic_offset, c_magic_size);
+ format_hex(archive_entry_devmajor(entry), h + c_devmajor_offset,
+ c_devmajor_size);
+ format_hex(archive_entry_devminor(entry), h + c_devminor_offset,
+ c_devminor_size);
+
+ ino = archive_entry_ino64(entry);
+ if (ino > 0xffffffff) {
+ archive_set_error(&a->archive, ERANGE,
+ "large inode number truncated");
+ ret_final = ARCHIVE_WARN;
+ }
+
+ /* TODO: Set ret_final to ARCHIVE_WARN if any of these overflow. */
+ format_hex(ino & 0xffffffff, h + c_ino_offset, c_ino_size);
+ format_hex(archive_entry_mode(entry), h + c_mode_offset, c_mode_size);
+ format_hex(archive_entry_uid(entry), h + c_uid_offset, c_uid_size);
+ format_hex(archive_entry_gid(entry), h + c_gid_offset, c_gid_size);
+ format_hex(archive_entry_nlink(entry), h + c_nlink_offset, c_nlink_size);
+ if (archive_entry_filetype(entry) == AE_IFBLK
+ || archive_entry_filetype(entry) == AE_IFCHR) {
+ format_hex(archive_entry_rdevmajor(entry), h + c_rdevmajor_offset, c_rdevmajor_size);
+ format_hex(archive_entry_rdevminor(entry), h + c_rdevminor_offset, c_rdevminor_size);
+ } else {
+ format_hex(0, h + c_rdevmajor_offset, c_rdevmajor_size);
+ format_hex(0, h + c_rdevminor_offset, c_rdevminor_size);
+ }
+ format_hex(archive_entry_mtime(entry), h + c_mtime_offset, c_mtime_size);
+ format_hex(pathlength, h + c_namesize_offset, c_namesize_size);
+ format_hex(0, h + c_checksum_offset, c_checksum_size);
+
+ /* Non-regular files don't store bodies. */
+ if (archive_entry_filetype(entry) != AE_IFREG)
+ archive_entry_set_size(entry, 0);
+
+ /* Symlinks get the link written as the body of the entry. */
+ ret = archive_entry_symlink_l(entry, &p, &len, sconv);
+ if (ret != 0) {
+ if (errno == ENOMEM) {
+ archive_set_error(&a->archive, ENOMEM,
+ "Can't allocate memory for Likname");
+ ret_final = ARCHIVE_FATAL;
+ goto exit_write_header;
+ }
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
+ "Can't translate linkname '%s' to %s",
+ archive_entry_symlink(entry),
+ archive_string_conversion_charset_name(sconv));
+ ret_final = ARCHIVE_WARN;
+ }
+ if (len > 0 && p != NULL && *p != '\0')
+ ret = format_hex(strlen(p), h + c_filesize_offset,
+ c_filesize_size);
+ else
+ ret = format_hex(archive_entry_size(entry),
+ h + c_filesize_offset, c_filesize_size);
+ if (ret) {
+ archive_set_error(&a->archive, ERANGE,
+ "File is too large for this format.");
+ ret_final = ARCHIVE_FAILED;
+ goto exit_write_header;
+ }
+
+ ret = __archive_write_output(a, h, c_header_size);
+ if (ret != ARCHIVE_OK) {
+ ret_final = ARCHIVE_FATAL;
+ goto exit_write_header;
+ }
+
+ /* Pad pathname to even length. */
+ ret = __archive_write_output(a, path, pathlength);
+ if (ret != ARCHIVE_OK) {
+ ret_final = ARCHIVE_FATAL;
+ goto exit_write_header;
+ }
+ pad = PAD4(pathlength + c_header_size);
+ if (pad) {
+ ret = __archive_write_output(a, "\0\0\0", pad);
+ if (ret != ARCHIVE_OK) {
+ ret_final = ARCHIVE_FATAL;
+ goto exit_write_header;
+ }
+ }
+
+ cpio->entry_bytes_remaining = archive_entry_size(entry);
+ cpio->padding = (int)PAD4(cpio->entry_bytes_remaining);
+
+ /* Write the symlink now. */
+ if (p != NULL && *p != '\0') {
+ ret = __archive_write_output(a, p, strlen(p));
+ if (ret != ARCHIVE_OK) {
+ ret_final = ARCHIVE_FATAL;
+ goto exit_write_header;
+ }
+ pad = PAD4(strlen(p));
+ ret = __archive_write_output(a, "\0\0\0", pad);
+ if (ret != ARCHIVE_OK) {
+ ret_final = ARCHIVE_FATAL;
+ goto exit_write_header;
+ }
+ }
+exit_write_header:
+ archive_entry_free(entry_main);
+ return (ret_final);
+}
+
+static ssize_t
+archive_write_newc_data(struct archive_write *a, const void *buff, size_t s)
+{
+ struct cpio *cpio;
+ int ret;
+
+ cpio = (struct cpio *)a->format_data;
+ if (s > cpio->entry_bytes_remaining)
+ s = (size_t)cpio->entry_bytes_remaining;
+
+ ret = __archive_write_output(a, buff, s);
+ cpio->entry_bytes_remaining -= s;
+ if (ret >= 0)
+ return (s);
+ else
+ return (ret);
+}
+
+/*
+ * Format a number into the specified field.
+ */
+static int
+format_hex(int64_t v, void *p, int digits)
+{
+ int64_t max;
+ int ret;
+
+ max = (((int64_t)1) << (digits * 4)) - 1;
+ if (v >= 0 && v <= max) {
+ format_hex_recursive(v, (char *)p, digits);
+ ret = 0;
+ } else {
+ format_hex_recursive(max, (char *)p, digits);
+ ret = -1;
+ }
+ return (ret);
+}
+
+static int64_t
+format_hex_recursive(int64_t v, char *p, int s)
+{
+ if (s == 0)
+ return (v);
+ v = format_hex_recursive(v, p+1, s-1);
+ *p = "0123456789abcdef"[v & 0xf];
+ return (v >> 4);
+}
+
+static int
+archive_write_newc_close(struct archive_write *a)
+{
+ int er;
+ struct archive_entry *trailer;
+
+ trailer = archive_entry_new();
+ archive_entry_set_nlink(trailer, 1);
+ archive_entry_set_size(trailer, 0);
+ archive_entry_set_pathname(trailer, "TRAILER!!!");
+ /* Bypass the required data checks. */
+ er = write_header(a, trailer);
+ archive_entry_free(trailer);
+ return (er);
+}
+
+static int
+archive_write_newc_free(struct archive_write *a)
+{
+ struct cpio *cpio;
+
+ cpio = (struct cpio *)a->format_data;
+ free(cpio);
+ a->format_data = NULL;
+ return (ARCHIVE_OK);
+}
+
+static int
+archive_write_newc_finish_entry(struct archive_write *a)
+{
+ struct cpio *cpio;
+
+ cpio = (struct cpio *)a->format_data;
+ return (__archive_write_nulls(a,
+ (size_t)cpio->entry_bytes_remaining + cpio->padding));
+}