--- a/jdk/src/jdk.runtime/share/native/common-unpack/zip.cpp Fri Mar 13 12:44:28 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,668 +0,0 @@
-/*
- * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/**
- * Note: Lifted from uncrunch.c from jdk sources
- */
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <time.h>
-
-#include <stdlib.h>
-
-#ifndef _MSC_VER
-#include <strings.h>
-#endif
-
-#include "defines.h"
-#include "bytes.h"
-#include "utils.h"
-
-#include "constants.h"
-#include "unpack.h"
-
-#include "zip.h"
-
-#ifdef NO_ZLIB
-
-inline bool jar::deflate_bytes(bytes& head, bytes& tail) {
- return false;
-}
-inline uint jar::get_crc32(uint c, uchar *ptr, uint len) { return 0; }
-#define Z_NULL NULL
-
-#else // Have ZLIB
-
-#include <zlib.h>
-
-inline uint jar::get_crc32(uint c, uchar *ptr, uint len) { return crc32(c, ptr, len); }
-
-#endif // End of ZLIB
-
-#ifdef _BIG_ENDIAN
-#define SWAP_BYTES(a) \
- ((((a) << 8) & 0xff00) | 0x00ff) & (((a) >> 8) | 0xff00)
-#else
-#define SWAP_BYTES(a) (a)
-#endif
-
-#define GET_INT_LO(a) \
- SWAP_BYTES(a & 0xFFFF)
-
-#define GET_INT_HI(a) \
- SWAP_BYTES((a >> 16) & 0xFFFF)
-
-static const ushort jarmagic[2] = { SWAP_BYTES(0xCAFE), 0 };
-
-void jar::init(unpacker* u_) {
- BYTES_OF(*this).clear();
- u = u_;
- u->jarout = this;
-}
-
-// Write data to the ZIP output stream.
-void jar::write_data(void* buff, int len) {
- while (len > 0) {
- int rc = (int)fwrite(buff, 1, len, jarfp);
- if (rc <= 0) {
- fprintf(u->errstrm, "Error: write on output file failed err=%d\n",errno);
- exit(1); // Called only from the native standalone unpacker
- }
- output_file_offset += rc;
- buff = ((char *)buff) + rc;
- len -= rc;
- }
-}
-
-void jar::add_to_jar_directory(const char* fname, bool store, int modtime,
- int len, int clen, uLong crc) {
- uint fname_length = (uint)strlen(fname);
- ushort header[23];
- if (modtime == 0) modtime = default_modtime;
- uLong dostime = get_dostime(modtime);
-
- header[0] = (ushort)SWAP_BYTES(0x4B50);
- header[1] = (ushort)SWAP_BYTES(0x0201);
- header[2] = (ushort)SWAP_BYTES(( store ) ? 0x0A : 0x14);
-
- // required version
- header[3] = (ushort)SWAP_BYTES(( store ) ? 0x0A : 0x14);
-
- // Flags - UTF-8 compression and separating crc and sizes
- // into separate headers for deflated file
- header[4] = ( store ) ? SWAP_BYTES(0x0800) : 0x0808;
-
- // Compression method 8=deflate.
- header[5] = ( store ) ? 0x0 : SWAP_BYTES(0x08);
-
- // Last modified date and time.
- header[6] = (ushort)GET_INT_LO(dostime);
- header[7] = (ushort)GET_INT_HI(dostime);
-
- // CRC
- header[8] = (ushort)GET_INT_LO(crc);
- header[9] = (ushort)GET_INT_HI(crc);
-
- // Compressed length:
- header[10] = (ushort)GET_INT_LO(clen);
- header[11] = (ushort)GET_INT_HI(clen);
-
- // Uncompressed length.
- header[12] = (ushort)GET_INT_LO(len);
- header[13] = (ushort)GET_INT_HI(len);
-
- // Filename length
- header[14] = (ushort)SWAP_BYTES(fname_length);
- // So called "extra field" length.
- // If it's the first record we must add JAR magic sequence
- header[15] = ( central_directory_count ) ? 0 : (ushort)SWAP_BYTES(4);
- // So called "comment" length.
- header[16] = 0;
- // Disk number start
- header[17] = 0;
- // File flags => binary
- header[18] = 0;
- // More file flags
- header[19] = 0;
- header[20] = 0;
- // Offset within ZIP file.
- header[21] = (ushort)GET_INT_LO(output_file_offset);
- header[22] = (ushort)GET_INT_HI(output_file_offset);
-
- // Copy the whole thing into the central directory.
- central_directory.append(header, sizeof(header));
-
- // Copy the fname to the header.
- central_directory.append(fname, fname_length);
-
- // Add jar magic for the first record
- if (central_directory_count == 0) {
- central_directory.append((void *)jarmagic, sizeof(jarmagic));
- }
-
- central_directory_count++;
-}
-
-void jar::write_jar_header(const char* fname, bool store, int modtime,
- int len, int clen, uint crc) {
- uint fname_length = (uint)strlen(fname);
- ushort header[15];
- if (modtime == 0) modtime = default_modtime;
- uLong dostime = get_dostime(modtime);
-
- // ZIP LOC magic.
- header[0] = (ushort)SWAP_BYTES(0x4B50);
- header[1] = (ushort)SWAP_BYTES(0x0403);
-
- // Version
- header[2] = (ushort)SWAP_BYTES(( store ) ? 0x0A : 0x14);
-
- // General purpose flags - same as in the Central Directory
- header[3] = ( store ) ? SWAP_BYTES(0x0800) : 0x0808;
-
- // Compression method = deflate
- header[4] = ( store ) ? 0x0 : SWAP_BYTES(0x08);
-
- // Last modified date and time.
- header[5] = (ushort)GET_INT_LO(dostime);
- header[6] = (ushort)GET_INT_HI(dostime);
-
- // CRC, 0 if deflated, will come separately in extra header
- header[7] = ( store ) ? (ushort)GET_INT_LO(crc) : 0;
- header[8] = ( store ) ? (ushort)GET_INT_HI(crc) : 0;
-
- // Compressed length, 0 if deflated
- header[9] = ( store ) ? (ushort)GET_INT_LO(clen) : 0;
- header[10] = ( store ) ? (ushort)GET_INT_HI(clen) : 0;
-
- // Uncompressed length, 0 if deflated
- header[11] = ( store ) ? (ushort)GET_INT_LO(len) : 0;
- header[12] = ( store ) ? (ushort)GET_INT_HI(len) : 0;
-
- // Filename length
- header[13] = (ushort)SWAP_BYTES(fname_length);
- // So called "extra field" length.
- header[14] = ( central_directory_count - 1 ) ? 0 : (ushort)SWAP_BYTES(4);
-
- // Write the LOC header to the output file.
- write_data(header, (int)sizeof(header));
-
- // Copy the fname to the header.
- write_data((char*)fname, (int)fname_length);
-
- if (central_directory_count == 1) {
- // Write JAR magic sequence
- write_data((void *)jarmagic, (int)sizeof(jarmagic));
- }
-}
-
-void jar::write_jar_extra(int len, int clen, uint crc) {
- ushort header[8];
- // Extra field signature
- header[0] = (ushort)SWAP_BYTES(0x4B50);
- header[1] = (ushort)SWAP_BYTES(0x0807);
- // CRC
- header[2] = (ushort)GET_INT_LO(crc);
- header[3] = (ushort)GET_INT_HI(crc);
- // Compressed length
- header[4] = (ushort)GET_INT_LO(clen);
- header[5] = (ushort)GET_INT_HI(clen);
- // Uncompressed length
- header[6] = (ushort)GET_INT_LO(len);
- header[7] = (ushort)GET_INT_HI(len);
-
- write_data(header, sizeof(header));
-}
-
-static const char marker_comment[] = ZIP_ARCHIVE_MARKER_COMMENT;
-
-void jar::write_central_directory() {
- bytes mc; mc.set(marker_comment);
-
- ushort header[11];
- ushort header64[38];
-
- // Create the End of Central Directory structure.
- header[0] = (ushort)SWAP_BYTES(0x4B50);
- header[1] = (ushort)SWAP_BYTES(0x0605);
- // disk numbers
- header[2] = 0;
- header[3] = 0;
- // Number of entries in central directory.
- header[4] = ( central_directory_count >= 0xffff ) ? 0xffff : (ushort)SWAP_BYTES(central_directory_count);
- header[5] = ( central_directory_count >= 0xffff ) ? 0xffff : (ushort)SWAP_BYTES(central_directory_count);
- // Size of the central directory}
- header[6] = (ushort)GET_INT_LO((int)central_directory.size());
- header[7] = (ushort)GET_INT_HI((int)central_directory.size());
- // Offset of central directory within disk.
- header[8] = (ushort)GET_INT_LO(output_file_offset);
- header[9] = (ushort)GET_INT_HI(output_file_offset);
- // zipfile comment length;
- header[10] = (ushort)SWAP_BYTES((int)mc.len);
-
- // Write the central directory.
- PRINTCR((2, "Central directory at %d\n", output_file_offset));
- write_data(central_directory.b);
-
- // If number of records exceeds the 0xFFFF we need to prepend extended
- // Zip64 End of Central Directory record and its locator to the old
- // style ECD record
- if (central_directory_count > 0xFFFF) {
- // Zip64 END signature
- header64[0] = (ushort)SWAP_BYTES(0x4B50);
- header64[1] = (ushort)0x0606;
- // Size of header (long)
- header64[2] = (ushort)SWAP_BYTES(44);;
- header64[3] = 0;
- header64[4] = 0;
- header64[5] = 0;
- // Version produced and required (short)
- header64[6] = (ushort)SWAP_BYTES(45);
- header64[7] = (ushort)SWAP_BYTES(45);
- // Current disk number (int)
- header64[8] = 0;
- header64[9] = 0;
- // Central directory start disk (int)
- header64[10] = 0;
- header64[11] = 0;
- // Count of records on disk (long)
- header64[12] = (ushort)GET_INT_LO(central_directory_count);
- header64[13] = (ushort)GET_INT_HI(central_directory_count);
- header64[14] = 0;
- header64[15] = 0;
- // Count of records totally (long)
- header64[16] = (ushort)GET_INT_LO(central_directory_count);
- header64[17] = (ushort)GET_INT_HI(central_directory_count);
- header64[18] = 0;
- header64[19] = 0;
- // Length of the central directory (long)
- header64[20] = header[6];
- header64[21] = header[7];
- header64[22] = 0;
- header64[23] = 0;
- // Offset of central directory (long)
- header64[24] = header[8];
- header64[25] = header[9];
- header64[26] = 0;
- header64[27] = 0;
- // Zip64 end of central directory locator
- // Locator signature
- header64[28] = (ushort)SWAP_BYTES(0x4B50);
- header64[29] = (ushort)SWAP_BYTES(0x0706);
- // Start disk number (int)
- header64[30] = 0;
- header64[31] = 0;
- // Offset of zip64 END record (long)
- header64[32] = (ushort)GET_INT_LO(output_file_offset);
- header64[33] = (ushort)GET_INT_HI(output_file_offset);
- header64[34] = 0;
- header64[35] = 0;
- // Total number of disks (int)
- header64[36] = (ushort)SWAP_BYTES(1);
- header64[37] = 0;
- write_data(header64, (int)sizeof(header64));
- }
-
- // Write the End of Central Directory structure.
- PRINTCR((2, "end-of-directory at %d\n", output_file_offset));
- write_data(header, (int)sizeof(header));
-
- PRINTCR((2, "writing zip comment\n"));
- // Write the comment.
- write_data(mc);
-}
-
-// Public API
-
-// Open a Jar file and initialize.
-void jar::openJarFile(const char* fname) {
- if (!jarfp) {
- PRINTCR((1, "jar::openJarFile: opening %s\n",fname));
- jarfp = fopen(fname, "wb");
- if (!jarfp) {
- fprintf(u->errstrm, "Error: Could not open jar file: %s\n",fname);
- exit(3); // Called only from the native standalone unpacker
- }
- }
-}
-
-// Add a ZIP entry and copy the file data
-void jar::addJarEntry(const char* fname,
- bool deflate_hint, int modtime,
- bytes& head, bytes& tail) {
- int len = (int)(head.len + tail.len);
- int clen = 0;
-
- uint crc = get_crc32(0,Z_NULL,0);
- if (head.len != 0)
- crc = get_crc32(crc, (uchar *)head.ptr, (uint)head.len);
- if (tail.len != 0)
- crc = get_crc32(crc, (uchar *)tail.ptr, (uint)tail.len);
-
- bool deflate = (deflate_hint && len > 0);
-
- if (deflate) {
- if (deflate_bytes(head, tail) == false) {
- PRINTCR((2, "Reverting to store fn=%s\t%d -> %d\n",
- fname, len, deflated.size()));
- deflate = false;
- }
- }
- clen = (int)((deflate) ? deflated.size() : len);
- add_to_jar_directory(fname, !deflate, modtime, len, clen, crc);
- write_jar_header( fname, !deflate, modtime, len, clen, crc);
-
- if (deflate) {
- write_data(deflated.b);
- // Write deflated information in extra header
- write_jar_extra(len, clen, crc);
- } else {
- write_data(head);
- write_data(tail);
- }
-}
-
-// Add a ZIP entry for a directory name no data
-void jar::addDirectoryToJarFile(const char* dir_name) {
- bool store = true;
- add_to_jar_directory((const char*)dir_name, store, default_modtime, 0, 0, 0);
- write_jar_header( (const char*)dir_name, store, default_modtime, 0, 0, 0);
-}
-
-// Write out the central directory and close the jar file.
-void jar::closeJarFile(bool central) {
- if (jarfp) {
- fflush(jarfp);
- if (central) write_central_directory();
- fflush(jarfp);
- fclose(jarfp);
- PRINTCR((2, "jar::closeJarFile:closed jar-file\n"));
- }
- reset();
-}
-
-/* Convert the date y/n/d and time h:m:s to a four byte DOS date and
- * time (date in high two bytes, time in low two bytes allowing magnitude
- * comparison).
- */
-inline
-uLong jar::dostime(int y, int n, int d, int h, int m, int s) {
- return y < 1980 ? dostime(1980, 1, 1, 0, 0, 0) :
- (((uLong)y - 1980) << 25) | ((uLong)n << 21) | ((uLong)d << 16) |
- ((uLong)h << 11) | ((uLong)m << 5) | ((uLong)s >> 1);
-}
-
-#ifdef _REENTRANT // solaris
-extern "C" struct tm *gmtime_r(const time_t *, struct tm *);
-#else
-#define gmtime_r(t, s) gmtime(t)
-#endif
-/*
- * Return the Unix time in DOS format
- */
-uLong jar::get_dostime(int modtime) {
- // see defines.h
- if (modtime != 0 && modtime == modtime_cache)
- return dostime_cache;
- if (modtime != 0 && default_modtime == 0)
- default_modtime = modtime; // catch a reasonable default
- time_t t = modtime;
- struct tm sbuf;
- (void)memset((void*)&sbuf,0, sizeof(sbuf));
- struct tm* s = gmtime_r(&t, &sbuf);
- if (s == NULL) {
- fprintf(u->errstrm, "Error: gmtime failure, invalid input archive\n");
- exit(-1);
- }
- modtime_cache = modtime;
- dostime_cache = dostime(s->tm_year + 1900, s->tm_mon + 1, s->tm_mday,
- s->tm_hour, s->tm_min, s->tm_sec);
- //printf("modtime %d => %d\n", modtime_cache, dostime_cache);
- return dostime_cache;
-}
-
-
-
-#ifndef NO_ZLIB
-
-/* Returns true on success, and will set the clen to the compressed
- length, the caller should verify if true and clen less than the
- input data
-*/
-bool jar::deflate_bytes(bytes& head, bytes& tail) {
- int len = (int)(head.len + tail.len);
-
- z_stream zs;
- BYTES_OF(zs).clear();
-
- // NOTE: the window size should always be -MAX_WBITS normally -15.
- // unzip/zipup.c and java/Deflater.c
-
- int error = deflateInit2(&zs, Z_DEFAULT_COMPRESSION, Z_DEFLATED,
- -MAX_WBITS, 8, Z_DEFAULT_STRATEGY);
- if (error != Z_OK) {
- switch (error) {
- case Z_MEM_ERROR:
- PRINTCR((2, "Error: deflate error : Out of memory \n"));
- break;
- case Z_STREAM_ERROR:
- PRINTCR((2,"Error: deflate error : Invalid compression level \n"));
- break;
- case Z_VERSION_ERROR:
- PRINTCR((2,"Error: deflate error : Invalid version\n"));
- break;
- default:
- PRINTCR((2,"Error: Internal deflate error error = %d\n", error));
- }
- return false;
- }
-
- deflated.empty();
- zs.next_out = (uchar*) deflated.grow(add_size(len, (len/2)));
- zs.avail_out = (int)deflated.size();
-
- zs.next_in = (uchar*)head.ptr;
- zs.avail_in = (int)head.len;
-
- bytes* first = &head;
- bytes* last = &tail;
- if (last->len == 0) {
- first = null;
- last = &head;
- } else if (first->len == 0) {
- first = null;
- }
-
- if (first != null && error == Z_OK) {
- zs.next_in = (uchar*) first->ptr;
- zs.avail_in = (int)first->len;
- error = deflate(&zs, Z_NO_FLUSH);
- }
- if (error == Z_OK) {
- zs.next_in = (uchar*) last->ptr;
- zs.avail_in = (int)last->len;
- error = deflate(&zs, Z_FINISH);
- }
- if (error == Z_STREAM_END) {
- if ((int)zs.total_out > 0) {
- // Even if compressed size is bigger than uncompressed, write it
- PRINTCR((2, "deflate compressed data %d -> %d\n", len, zs.total_out));
- deflated.b.len = zs.total_out;
- deflateEnd(&zs);
- return true;
- }
- PRINTCR((2, "deflate expanded data %d -> %d\n", len, zs.total_out));
- deflateEnd(&zs);
- return false;
- }
-
- deflateEnd(&zs);
- PRINTCR((2, "Error: deflate error deflate did not finish error=%d\n",error));
- return false;
-}
-
-// Callback for fetching data from a GZIP input stream
-static jlong read_input_via_gzip(unpacker* u,
- void* buf, jlong minlen, jlong maxlen) {
- assert(minlen <= maxlen); // don't talk nonsense
- jlong numread = 0;
- char* bufptr = (char*) buf;
- char* inbuf = u->gzin->inbuf;
- size_t inbuflen = sizeof(u->gzin->inbuf);
- unpacker::read_input_fn_t read_gzin_fn =
- (unpacker::read_input_fn_t) u->gzin->read_input_fn;
- z_stream& zs = *(z_stream*) u->gzin->zstream;
- while (numread < minlen) {
- int readlen = (1 << 16); // pretty arbitrary
- if (readlen > (maxlen - numread))
- readlen = (int)(maxlen - numread);
- zs.next_out = (uchar*) bufptr;
- zs.avail_out = readlen;
- if (zs.avail_in == 0) {
- zs.avail_in = (int) read_gzin_fn(u, inbuf, 1, inbuflen);
- zs.next_in = (uchar*) inbuf;
- }
- int error = inflate(&zs, Z_NO_FLUSH);
- if (error != Z_OK && error != Z_STREAM_END) {
- u->abort("error inflating input");
- break;
- }
- int nr = readlen - zs.avail_out;
- u->gzcrc = crc32(u->gzcrc, (const unsigned char *)bufptr, nr);
- numread += nr;
- bufptr += nr;
- assert(numread <= maxlen);
- if (error == Z_STREAM_END) {
- enum { TRAILER_LEN = 8 };
- // skip 8-byte trailer
- if (zs.avail_in >= TRAILER_LEN) {
- zs.avail_in -= TRAILER_LEN;
- } else {
- // Bug: 5023768,we read past the TRAILER_LEN to see if there is
- // any extraneous data, as we don't support concatenated .gz
- // files just yet.
- int extra = (int) read_gzin_fn(u, inbuf, 1, inbuflen);
- zs.avail_in += extra - TRAILER_LEN;
- }
- // %%% should check final CRC and length here
- // %%% should check for concatenated *.gz files here
- if (zs.avail_in > 0)
- u->abort("garbage after end of deflated input stream");
- // pop this filter off:
- u->gzin->free();
- break;
- }
- }
-
- //fprintf(u->errstrm, "readInputFn(%d,%d) => %d (gunzip)\n",
- // (int)minlen, (int)maxlen, (int)numread);
- return numread;
-}
-
-void gunzip::init(unpacker* u_) {
- BYTES_OF(*this).clear();
- u = u_;
- assert(u->gzin == null); // once only, please
- read_input_fn = (void*)u->read_input_fn;
- zstream = NEW(z_stream, 1);
- u->gzin = this;
- u->read_input_fn = read_input_via_gzip;
- u->gzcrc = crc32(0L, Z_NULL, 0);
-}
-
-void gunzip::start(int magic) {
- assert((magic & GZIP_MAGIC_MASK) == GZIP_MAGIC);
- int gz_flg = (magic & 0xFF); // keep "flg", discard other 3 bytes
- enum {
- FHCRC = (1<<1),
- FEXTRA = (1<<2),
- FNAME = (1<<3),
- FCOMMENT = (1<<4)
- };
- char gz_mtime[4];
- char gz_xfl[1];
- char gz_os[1];
- char gz_extra_len[2];
- char gz_hcrc[2];
- char gz_ignore;
- // do not save extra, name, comment
- read_fixed_field(gz_mtime, sizeof(gz_mtime));
- read_fixed_field(gz_xfl, sizeof(gz_xfl));
- read_fixed_field(gz_os, sizeof(gz_os));
- if (gz_flg & FEXTRA) {
- read_fixed_field(gz_extra_len, sizeof(gz_extra_len));
- int extra_len = gz_extra_len[0] & 0xFF;
- extra_len += (gz_extra_len[1] & 0xFF) << 8;
- for (; extra_len > 0; extra_len--) {
- read_fixed_field(&gz_ignore, 1);
- }
- }
- int null_terms = 0;
- if (gz_flg & FNAME) null_terms++;
- if (gz_flg & FCOMMENT) null_terms++;
- for (; null_terms; null_terms--) {
- for (;;) {
- gz_ignore = 0;
- read_fixed_field(&gz_ignore, 1);
- if (gz_ignore == 0) break;
- }
- }
- if (gz_flg & FHCRC)
- read_fixed_field(gz_hcrc, sizeof(gz_hcrc));
-
- if (aborting()) return;
-
- // now the input stream is ready to read into the inflater
- int error = inflateInit2((z_stream*) zstream, -MAX_WBITS);
- if (error != Z_OK) { abort("cannot create input"); return; }
-}
-
-void gunzip::free() {
- assert(u->gzin == this);
- u->gzin = null;
- u->read_input_fn = (unpacker::read_input_fn_t) this->read_input_fn;
- inflateEnd((z_stream*) zstream);
- mtrace('f', zstream, 0);
- ::free(zstream);
- zstream = null;
- mtrace('f', this, 0);
- ::free(this);
-}
-
-void gunzip::read_fixed_field(char* buf, size_t buflen) {
- if (aborting()) return;
- jlong nr = ((unpacker::read_input_fn_t)read_input_fn)
- (u, buf, buflen, buflen);
- if ((size_t)nr != buflen)
- u->abort("short stream header");
-}
-
-#else // NO_ZLIB
-
-void gunzip::free() {
-}
-
-#endif // NO_ZLIB