1 files changed, 0 insertions, 439 deletions

diff --git a/lib/libarchive/archive_write_set_compression_xz.c b/lib/libarchive/archive_write_set_compression_xz.c
deleted file mode 100644
index 15b6cc273907..000000000000
--- a/lib/libarchive/archive_write_set_compression_xz.c
+++ /dev/null
@@ -1,439 +0,0 @@
-/*-
- * Copyright (c) 2009 Michihiro NAKAJIMA
- * 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("$FreeBSD$");
-
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-#include <time.h>
-#ifdef HAVE_LZMA_H
-#include <lzma.h>
-#endif
-
-#include "archive.h"
-#include "archive_private.h"
-#include "archive_write_private.h"
-
-#ifndef HAVE_LZMA_H
-int
-archive_write_set_compression_xz(struct archive *a)
-{
-	archive_set_error(a, ARCHIVE_ERRNO_MISC,
-	    "xz compression not supported on this platform");
-	return (ARCHIVE_FATAL);
-}
-
-int
-archive_write_set_compression_lzma(struct archive *a)
-{
-	archive_set_error(a, ARCHIVE_ERRNO_MISC,
-	    "lzma compression not supported on this platform");
-	return (ARCHIVE_FATAL);
-}
-#else
-/* Don't compile this if we don't have liblzma. */
-
-struct private_data {
-	lzma_stream	 stream;
-	lzma_filter	 lzmafilters[2];
-	lzma_options_lzma lzma_opt;
-	int64_t		 total_in;
-	unsigned char	*compressed;
-	size_t		 compressed_buffer_size;
-};
-
-struct private_config {
-	int		 compression_level;
-};
-
-static int	archive_compressor_xz_init(struct archive_write *);
-static int	archive_compressor_xz_options(struct archive_write *,
-		    const char *, const char *);
-static int	archive_compressor_xz_finish(struct archive_write *);
-static int	archive_compressor_xz_write(struct archive_write *,
-		    const void *, size_t);
-static int	drive_compressor(struct archive_write *, struct private_data *,
-		    int finishing);
-
-
-/*
- * Allocate, initialize and return a archive object.
- */
-int
-archive_write_set_compression_xz(struct archive *_a)
-{
-	struct private_config *config;
-	struct archive_write *a = (struct archive_write *)_a;
-	__archive_check_magic(&a->archive, ARCHIVE_WRITE_MAGIC,
-	    ARCHIVE_STATE_NEW, "archive_write_set_compression_xz");
-	config = calloc(1, sizeof(*config));
-	if (config == NULL) {
-		archive_set_error(&a->archive, ENOMEM, "Out of memory");
-		return (ARCHIVE_FATAL);
-	}
-	a->compressor.config = config;
-	a->compressor.finish = archive_compressor_xz_finish;
-	config->compression_level = LZMA_PRESET_DEFAULT;
-	a->compressor.init = &archive_compressor_xz_init;
-	a->compressor.options = &archive_compressor_xz_options;
-	a->archive.compression_code = ARCHIVE_COMPRESSION_XZ;
-	a->archive.compression_name = "xz";
-	return (ARCHIVE_OK);
-}
-
-/* LZMA is handled identically, we just need a different compression
- * code set.  (The liblzma setup looks at the code to determine
- * the one place that XZ and LZMA require different handling.) */
-int
-archive_write_set_compression_lzma(struct archive *_a)
-{
-	struct archive_write *a = (struct archive_write *)_a;
-	int r = archive_write_set_compression_xz(_a);
-	if (r != ARCHIVE_OK)
-		return (r);
-	a->archive.compression_code = ARCHIVE_COMPRESSION_LZMA;
-	a->archive.compression_name = "lzma";
-	return (ARCHIVE_OK);
-}
-
-static int
-archive_compressor_xz_init_stream(struct archive_write *a,
-    struct private_data *state)
-{
-	static const lzma_stream lzma_stream_init_data = LZMA_STREAM_INIT;
-	int ret;
-
-	state->stream = lzma_stream_init_data;
-	state->stream.next_out = state->compressed;
-	state->stream.avail_out = state->compressed_buffer_size;
-	if (a->archive.compression_code == ARCHIVE_COMPRESSION_XZ)
-		ret = lzma_stream_encoder(&(state->stream),
-		    state->lzmafilters, LZMA_CHECK_CRC64);
-	else
-		ret = lzma_alone_encoder(&(state->stream), &state->lzma_opt);
-	if (ret == LZMA_OK)
-		return (ARCHIVE_OK);
-
-	switch (ret) {
-	case LZMA_MEM_ERROR:
-		archive_set_error(&a->archive, ENOMEM,
-		    "Internal error initializing compression library: "
-		    "Cannot allocate memory");
-		break;
-	default:
-		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-		    "Internal error initializing compression library: "
-		    "It's a bug in liblzma");
-		break;
-	}
-	return (ARCHIVE_FATAL);
-}
-
-/*
- * Setup callback.
- */
-static int
-archive_compressor_xz_init(struct archive_write *a)
-{
-	int ret;
-	struct private_data *state;
-	struct private_config *config;
-
-	if (a->client_opener != NULL) {
-		ret = (a->client_opener)(&a->archive, a->client_data);
-		if (ret != ARCHIVE_OK)
-			return (ret);
-	}
-
-	state = (struct private_data *)malloc(sizeof(*state));
-	if (state == NULL) {
-		archive_set_error(&a->archive, ENOMEM,
-		    "Can't allocate data for compression");
-		return (ARCHIVE_FATAL);
-	}
-	memset(state, 0, sizeof(*state));
-	config = a->compressor.config;
-
-	/*
-	 * See comment above.  We should set compressed_buffer_size to
-	 * max(bytes_per_block, 65536), but the code can't handle that yet.
-	 */
-	state->compressed_buffer_size = a->bytes_per_block;
-	state->compressed = (unsigned char *)malloc(state->compressed_buffer_size);
-	if (state->compressed == NULL) {
-		archive_set_error(&a->archive, ENOMEM,
-		    "Can't allocate data for compression buffer");
-		free(state);
-		return (ARCHIVE_FATAL);
-	}
-	a->compressor.write = archive_compressor_xz_write;
-
-	/* Initialize compression library. */
-	if (lzma_lzma_preset(&state->lzma_opt, config->compression_level)) {
-		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-		    "Internal error initializing compression library");
-		free(state->compressed);
-		free(state);
-	}
-	state->lzmafilters[0].id = LZMA_FILTER_LZMA2;
-	state->lzmafilters[0].options = &state->lzma_opt;
-	state->lzmafilters[1].id = LZMA_VLI_UNKNOWN;/* Terminate */
-	ret = archive_compressor_xz_init_stream(a, state);
-	if (ret == LZMA_OK) {
-		a->compressor.data = state;
-		return (0);
-	}
-	/* Library setup failed: clean up. */
-	free(state->compressed);
-	free(state);
-
-	return (ARCHIVE_FATAL);
-}
-
-/*
- * Set write options.
- */
-static int
-archive_compressor_xz_options(struct archive_write *a, const char *key,
-    const char *value)
-{
-	struct private_config *config;
-
-	config = (struct private_config *)a->compressor.config;
-	if (strcmp(key, "compression-level") == 0) {
-		if (value == NULL || !(value[0] >= '0' && value[0] <= '9') ||
-		    value[1] != '\0')
-			return (ARCHIVE_WARN);
-		config->compression_level = value[0] - '0';
-		if (config->compression_level > 6)
-			config->compression_level = 6;
-		return (ARCHIVE_OK);
-	}
-
-	return (ARCHIVE_WARN);
-}
-
-/*
- * Write data to the compressed stream.
- */
-static int
-archive_compressor_xz_write(struct archive_write *a, const void *buff,
-    size_t length)
-{
-	struct private_data *state;
-	int ret;
-
-	state = (struct private_data *)a->compressor.data;
-	if (a->client_writer == NULL) {
-		archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
-		    "No write callback is registered?  "
-		    "This is probably an internal programming error.");
-		return (ARCHIVE_FATAL);
-	}
-
-	/* Update statistics */
-	state->total_in += length;
-
-	/* Compress input data to output buffer */
-	state->stream.next_in = buff;
-	state->stream.avail_in = length;
-	if ((ret = drive_compressor(a, state, 0)) != ARCHIVE_OK)
-		return (ret);
-
-	a->archive.file_position += length;
-	return (ARCHIVE_OK);
-}
-
-
-/*
- * Finish the compression...
- */
-static int
-archive_compressor_xz_finish(struct archive_write *a)
-{
-	ssize_t block_length, target_block_length, bytes_written;
-	int ret;
-	struct private_data *state;
-	unsigned tocopy;
-
-	ret = ARCHIVE_OK;
-	state = (struct private_data *)a->compressor.data;
-	if (state != NULL) {
-		if (a->client_writer == NULL) {
-			archive_set_error(&a->archive,
-			    ARCHIVE_ERRNO_PROGRAMMER,
-			    "No write callback is registered?  "
-			    "This is probably an internal programming error.");
-			ret = ARCHIVE_FATAL;
-			goto cleanup;
-		}
-
-		/* By default, always pad the uncompressed data. */
-		if (a->pad_uncompressed) {
-			tocopy = a->bytes_per_block -
-			    (state->total_in % a->bytes_per_block);
-			while (tocopy > 0 && tocopy < (unsigned)a->bytes_per_block) {
-				state->stream.next_in = a->nulls;
-				state->stream.avail_in = tocopy < a->null_length ?
-				    tocopy : a->null_length;
-				state->total_in += state->stream.avail_in;
-				tocopy -= state->stream.avail_in;
-				ret = drive_compressor(a, state, 0);
-				if (ret != ARCHIVE_OK)
-					goto cleanup;
-			}
-		}
-
-		/* Finish compression cycle */
-		if (((ret = drive_compressor(a, state, 1))) != ARCHIVE_OK)
-			goto cleanup;
-
-		/* Optionally, pad the final compressed block. */
-		block_length = state->stream.next_out - state->compressed;
-
-		/* Tricky calculation to determine size of last block. */
-		if (a->bytes_in_last_block <= 0)
-			/* Default or Zero: pad to full block */
-			target_block_length = a->bytes_per_block;
-		else
-			/* Round length to next multiple of bytes_in_last_block. */
-			target_block_length = a->bytes_in_last_block *
-			    ( (block_length + a->bytes_in_last_block - 1) /
-				a->bytes_in_last_block);
-		if (target_block_length > a->bytes_per_block)
-			target_block_length = a->bytes_per_block;
-		if (block_length < target_block_length) {
-			memset(state->stream.next_out, 0,
-			    target_block_length - block_length);
-			block_length = target_block_length;
-		}
-
-		/* Write the last block */
-		bytes_written = (a->client_writer)(&a->archive, a->client_data,
-		    state->compressed, block_length);
-		if (bytes_written <= 0) {
-			ret = ARCHIVE_FATAL;
-			goto cleanup;
-		}
-		a->archive.raw_position += bytes_written;
-
-		/* Cleanup: shut down compressor, release memory, etc. */
-	cleanup:
-		lzma_end(&(state->stream));
-		free(state->compressed);
-		free(state);
-	}
-	free(a->compressor.config);
-	a->compressor.config = NULL;
-	return (ret);
-}
-
-/*
- * Utility function to push input data through compressor,
- * writing full output blocks as necessary.
- *
- * Note that this handles both the regular write case (finishing ==
- * false) and the end-of-archive case (finishing == true).
- */
-static int
-drive_compressor(struct archive_write *a, struct private_data *state, int finishing)
-{
-	ssize_t bytes_written;
-	int ret;
-
-	for (;;) {
-		if (state->stream.avail_out == 0) {
-			bytes_written = (a->client_writer)(&a->archive,
-			    a->client_data, state->compressed,
-			    state->compressed_buffer_size);
-			if (bytes_written <= 0) {
-				/* TODO: Handle this write failure */
-				return (ARCHIVE_FATAL);
-			} else if ((size_t)bytes_written < state->compressed_buffer_size) {
-				/* Short write: Move remaining to
-				 * front of block and keep filling */
-				memmove(state->compressed,
-				    state->compressed + bytes_written,
-				    state->compressed_buffer_size - bytes_written);
-			}
-			a->archive.raw_position += bytes_written;
-			state->stream.next_out
-			    = state->compressed +
-			    state->compressed_buffer_size - bytes_written;
-			state->stream.avail_out = bytes_written;
-		}
-
-		/* If there's nothing to do, we're done. */
-		if (!finishing && state->stream.avail_in == 0)
-			return (ARCHIVE_OK);
-
-		ret = lzma_code(&(state->stream),
-		    finishing ? LZMA_FINISH : LZMA_RUN );
-
-		switch (ret) {
-		case LZMA_OK:
-			/* In non-finishing case, check if compressor
-			 * consumed everything */
-			if (!finishing && state->stream.avail_in == 0)
-				return (ARCHIVE_OK);
-			/* In finishing case, this return always means
-			 * there's more work */
-			break;
-		case LZMA_STREAM_END:
-			/* This return can only occur in finishing case. */
-			if (finishing)
-				return (ARCHIVE_OK);
-			archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-			    "lzma compression data error");
-			return (ARCHIVE_FATAL);
-		case LZMA_MEMLIMIT_ERROR:
-			archive_set_error(&a->archive, ENOMEM,
-			    "lzma compression error: "
-			    "%ju MiB would have been needed",
-			    (uintmax_t)((lzma_memusage(&(state->stream)) + 1024 * 1024 -1)
-				/ (1024 * 1024)));
-			return (ARCHIVE_FATAL);
-		default:
-			/* Any other return value indicates an error. */
-			archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-			    "lzma compression failed:"
-			    " lzma_code() call returned status %d",
-			    ret);
-			return (ARCHIVE_FATAL);
-		}
-	}
-}
-
-#endif /* HAVE_LZMA_H */