diff options
Diffstat (limited to 'util/src/minizip')
| -rw-r--r-- | util/src/minizip/Makefile.am | 18 | ||||
| -rw-r--r-- | util/src/minizip/archive_extract.c | 361 | ||||
| -rw-r--r-- | util/src/minizip/axis2_archive_extract.h | 35 | ||||
| -rw-r--r-- | util/src/minizip/axis2_crypt.h | 94 | ||||
| -rw-r--r-- | util/src/minizip/axis2_ioapi.h | 118 | ||||
| -rw-r--r-- | util/src/minizip/axis2_iowin32.h | 40 | ||||
| -rw-r--r-- | util/src/minizip/axis2_unzip.h | 417 | ||||
| -rw-r--r-- | util/src/minizip/crypt.c | 172 | ||||
| -rw-r--r-- | util/src/minizip/ioapi.c | 197 | ||||
| -rw-r--r-- | util/src/minizip/iowin32.c | 300 | ||||
| -rw-r--r-- | util/src/minizip/unzip.c | 1655 |
11 files changed, 3407 insertions, 0 deletions
diff --git a/util/src/minizip/Makefile.am b/util/src/minizip/Makefile.am new file mode 100644 index 0000000..6fc3413 --- /dev/null +++ b/util/src/minizip/Makefile.am @@ -0,0 +1,18 @@ +lib_LTLIBRARIES = libaxis2_minizip.la + +libaxis2_minizip_la_SOURCES = ioapi.c \ + unzip.c \ + archive_extract.c \ + crypt.c + +libaxis2_minizip_la_LDFLAGS = -version-info $(VERSION_NO) + +INCLUDES = -I$(top_builddir)/include \ + -I$(top_builddir)/platforms + +EXTRA_DIST= axis2_archive_extract.h \ + axis2_crypt.h \ + axis2_ioapi.h \ + axis2_iowin32.h \ + axis2_unzip.h \ + iowin32.c diff --git a/util/src/minizip/archive_extract.c b/util/src/minizip/archive_extract.c new file mode 100644 index 0000000..dd68efb --- /dev/null +++ b/util/src/minizip/archive_extract.c @@ -0,0 +1,361 @@ + +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <axutil_dir_handler.h> +#include <platforms/axutil_platform_auto_sense.h> +#include <axutil_string.h> +#include <zlib.h> +#include <fcntl.h> +#include <axis2_unzip.h> +#include <axis2_crypt.h> +#include <axis2_ioapi.h> + +#ifdef WIN32 +#include <axis2_iowin32.h> +#endif + +#define CASESENSITIVITY (0) +#define WRITEBUFFERSIZE (8192) +#define MAXFILENAME (256) + +axis2_status_t aar_select( + ); +int aar_extract( + axis2_char_t * d_name); + +extern int AXIS2_ALPHASORT( + ); + +int +axis2_mkdir(const axis2_char_t * + dir_name) +{ + int value = 0; + value = AXIS2_MKDIR(dir_name, 0775); + return value; +} + +int +axis2_create_dir( + axis2_char_t *new_dir) +{ + axis2_char_t *buffer; + axis2_char_t *p; + axis2_bool_t loop_state = AXIS2_TRUE; + int len = (int) strlen(new_dir); + + if (len <= 0) + return 0; + + buffer = (axis2_char_t *) malloc(len + 1); + strcpy(buffer, new_dir); + + if (buffer[len - 1] == '/') + { + buffer[len - 1] = '\0'; + } + + if (axis2_mkdir(buffer) == 0) + { + free(buffer); + return 1; + } + + p = buffer + 1; + while (loop_state) + { + axis2_char_t hold; + + while (*p && *p != '\\' && *p != '/') + p++; + hold = *p; + *p = 0; + if ((axis2_mkdir(buffer) == -1)) + { + free(buffer); + return 0; + } + if (hold == 0) + break; + *p++ = hold; + } + free(buffer); + return 1; +} + +int +axis2_extract_currentfile( + unzFile uf, + const int *popt_extract_without_path, + int *popt_overwrite, + const axis2_char_t *password) +{ + axis2_char_t filename_inzip[256]; + axis2_char_t *filename_withoutpath; + axis2_char_t *p; + int err = UNZ_OK; + FILE *fout = NULL; + void *buf; + uInt size_buf; + + unz_file_info file_info; + err = + unzGetCurrentFileInfo(uf, &file_info, filename_inzip, + sizeof(filename_inzip), NULL, 0, NULL, 0); + + if (err != UNZ_OK) + { + return err; + } + + size_buf = WRITEBUFFERSIZE; + buf = (void *) malloc(size_buf); + if (buf == NULL) + return UNZ_INTERNALERROR; + + p = filename_withoutpath = filename_inzip; + while ((*p) != '\0') + { + if (((*p) == '/') || ((*p) == '\\')) + filename_withoutpath = p + 1; + p++; + } + + if ((*filename_withoutpath) == '\0') + { + if ((*popt_extract_without_path) == 0) + { + axis2_mkdir(filename_inzip); + } + } + else + { + axis2_char_t *write_filename; + int skip = 0; + + if ((*popt_extract_without_path) == 0) + write_filename = filename_inzip; + else + write_filename = filename_withoutpath; + + err = unzOpenCurrentFilePassword(uf, password); + + if ((skip == 0) && (err == UNZ_OK)) + { + fout = fopen(write_filename, "wb"); + + if ((fout == NULL) && ((*popt_extract_without_path) == 0) && + (filename_withoutpath != (axis2_char_t *) filename_inzip)) + { + axis2_char_t c = *(filename_withoutpath - 1); + *(filename_withoutpath - 1) = '\0'; + axis2_create_dir(write_filename); + *(filename_withoutpath - 1) = c; + fout = fopen(write_filename, "wb"); + } + + } + + if (fout) + { + do + { + err = unzReadCurrentFile(uf, buf, size_buf); + if (err < 0) + { + break; + } + if (err > 0) + if (fwrite(buf, err, 1, fout) != 1) + { + err = UNZ_ERRNO; + break; + } + } + while (err > 0); + if (fout) + fclose(fout); + } + + if (err == UNZ_OK) + { + err = unzCloseCurrentFile(uf); + } + else + unzCloseCurrentFile(uf); + } + + free(buf); + return err; +} + +int +axis2_extract( + unzFile uf, + int opt_extract_without_path, + int opt_overwrite, + const axis2_char_t *password) +{ + uLong i; + unz_global_info gi; + int err; + + err = unzGetGlobalInfo(uf, &gi); + if (err != UNZ_OK) + return -1; + + for (i = 0; i < gi.number_entry; i++) + { + if (axis2_extract_currentfile(uf, &opt_extract_without_path, + &opt_overwrite, password) != UNZ_OK) + break; + + if ((i + 1) < gi.number_entry) + { + err = unzGoToNextFile(uf); + if (err != UNZ_OK) + { + return -1; + break; + } + } + } + + return 0; +} + +int +aar_extract( + axis2_char_t * d_name) +{ + const axis2_char_t *zipfilename = NULL; + const axis2_char_t *filename_to_extract = NULL; + const axis2_char_t *password = NULL; + axis2_char_t filename_try[MAXFILENAME + 16] = ""; + int opt_do_extract_withoutpath = 0; + int opt_overwrite = 0; + int opt_extractdir = 0; + const axis2_char_t *dir_name = NULL; + int ret = 0; + unzFile uf = NULL; + + if (zipfilename == NULL) + zipfilename = d_name; + + filename_to_extract = d_name; + + if (zipfilename) + { + zlib_filefunc_def ffunc; + strncpy(filename_try, zipfilename, MAXFILENAME - 1); + filename_try[MAXFILENAME] = '\0'; + + axis2_fill_win32_filefunc(&ffunc); + + uf = AXIS2_UNZOPEN2(zipfilename, ffunc); + + if (uf == NULL) + { + strcat(filename_try, ".zip"); + uf = AXIS2_UNZOPEN2(zipfilename, ffunc); + } + } + + if (uf == NULL) + return -1; + + if (opt_extractdir && AXIS2_CHDIR(dir_name)) + exit(-1); + + ret = axis2_extract(uf, opt_do_extract_withoutpath, opt_overwrite, + password); + /*unzCloseCurrentFile(uf);*/ + return ret; +} + +int +axis2_extract_onefile( + unzFile uf, + const axis2_char_t *filename, + int opt_extract_without_path, + int opt_overwrite, + const axis2_char_t *password) +{ + if (unzLocateFile(uf, filename, CASESENSITIVITY) != UNZ_OK) + return -1; + + if (axis2_extract_currentfile(uf, &opt_extract_without_path, + &opt_overwrite, password) == UNZ_OK) + return 0; + else + return -1; +} + +AXIS2_EXTERN axis2_status_t AXIS2_CALL +axis2_archive_extract( + ) +{ + struct dirent **namelist; + int n, + i; + axis2_char_t *ptr; + +#ifdef WIN32 + n = axis2_scandir(".", &namelist, 0, alphasort); +#else + n = scandir(".", &namelist, 0, alphasort); +#endif + + if (n < 0) + return AXIS2_FALSE; + else + { + while (n--) + { + if ((strcmp(namelist[n]->d_name, ".") == 0) || + (strcmp(namelist[n]->d_name, "..") == 0)) + { + for (i = n; i >= 0; i--) /* clean remaining memory before return */ + free(namelist[i]); + free(namelist); + return (AXIS2_FALSE); + } + + ptr = axutil_rindex(namelist[n]->d_name, '.'); + if ((ptr) && + (((strcmp(ptr, AXIS2_AAR_SUFFIX) == 0)) || + (strcmp(ptr, AXIS2_MAR_SUFFIX) == 0))) + for (i = 0; i < n; i++) + if (strncmp + (namelist[n]->d_name, namelist[i]->d_name, + strlen(namelist[i]->d_name)) == 0) + { + int j; + for (j = n; j >= 0; j--) /* clean remaining memory before return */ + free(namelist[j]); + free(namelist); + return (AXIS2_FALSE); + } + + aar_extract(namelist[n]->d_name); + free(namelist[n]); + } + free(namelist); + } + return (AXIS2_TRUE); +} diff --git a/util/src/minizip/axis2_archive_extract.h b/util/src/minizip/axis2_archive_extract.h new file mode 100644 index 0000000..92cbab6 --- /dev/null +++ b/util/src/minizip/axis2_archive_extract.h @@ -0,0 +1,35 @@ + +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef AXIS2_ARCHIVE_EXTRACT_H +#define AXIS2_ARCHIVE_EXTRACT_H + +#ifdef __cplusplus +extern "C" +{ +#endif + + AXIS2_EXTERN axis2_status_t AXIS2_CALL + axis2_archive_extract( + ); + +#ifdef __cplusplus +} +#endif + +#endif /** AXIS2_ARCHIVE_EXTRACT_H */ diff --git a/util/src/minizip/axis2_crypt.h b/util/src/minizip/axis2_crypt.h new file mode 100644 index 0000000..dcdf524 --- /dev/null +++ b/util/src/minizip/axis2_crypt.h @@ -0,0 +1,94 @@ + +/* + * Copyright 2004,2005 The Apache Software Foundation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. +*/ + +/* crypt.h -- base code for crypt/uncrypt ZIPfile + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This code is a modified version of crypting code in Infozip distribution + + The encryption/decryption parts of this source code (as opposed to the + non-echoing password parts) were originally written in Europe. The + whole source package can be freely distributed, including from the USA. + (Prior to January 2000, re-export from the US was a violation of US law.) + + This encryption code is a direct transcription of the algorithm from + Roger Schlafly, described by Phil Katz in the file appnote.txt. This + file (appnote.txt) is distributed with the PKZIP program (even in the + version without encryption capabilities). + + If you don't need crypting in your application, just define symbols + NOCRYPT and NOUNCRYPT. + + This code support the "Traditional PKWARE Encryption". + + The new AES encryption added on Zip format by Winzip (see the page + http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong + Encryption is not supported. +*/ + +#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8)) + +/*********************************************************************** + * Return the next byte in the pseudo-random sequence + */ +int decrypt_byte( + unsigned long *pkeys, + const unsigned long *pcrc_32_tab); + +/*********************************************************************** + * Update the encryption keys with the next byte of plain text + */ +int update_keys( + unsigned long *pkeys, + const unsigned long *pcrc_32_tab, + int c); + +/*********************************************************************** + * Initialize the encryption keys and the random header according to + * the given password. + */ +void init_keys( + const char *passwd, + unsigned long *pkeys, + const unsigned long *pcrc_32_tab); + +#define zdecode(pkeys,pcrc_32_tab,c) \ + (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab))) + +#define zencode(pkeys,pcrc_32_tab,c,t) \ + (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c)) + +#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED + +#define RAND_HEAD_LEN 12 +/* "last resort" source for second part of crypt seed pattern */ +# ifndef ZCR_SEED2 +# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ +# endif + +int crypthead( + passwd, + buf, + bufSize, + pkeys, + pcrc_32_tab, + crcForCrypting); + +#endif diff --git a/util/src/minizip/axis2_ioapi.h b/util/src/minizip/axis2_ioapi.h new file mode 100644 index 0000000..8f14574 --- /dev/null +++ b/util/src/minizip/axis2_ioapi.h @@ -0,0 +1,118 @@ + +/* +* Licensed to the Apache Software Foundation (ASF) under one or more +* contributor license agreements. See the NOTICE file distributed with +* this work for additional information regarding copyright ownership. +* The ASF licenses this file to You under the Apache License, Version 2.0 +* (the "License"); you may not use this file except in compliance with +* the License. You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +/* ioapi.h -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#ifndef _ZLIBIOAPI_H +#define _ZLIBIOAPI_H + +#define ZLIB_FILEFUNC_SEEK_CUR (1) +#define ZLIB_FILEFUNC_SEEK_END (2) +#define ZLIB_FILEFUNC_SEEK_SET (0) + +#define ZLIB_FILEFUNC_MODE_READ (1) +#define ZLIB_FILEFUNC_MODE_WRITE (2) +#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) + +#define ZLIB_FILEFUNC_MODE_EXISTING (4) +#define ZLIB_FILEFUNC_MODE_CREATE (8) + +#ifndef ZCALLBACK + +#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) +#define ZCALLBACK CALLBACK +#else +#define ZCALLBACK +#endif +#endif + +#ifdef __cplusplus +extern "C" +{ +#endif + + typedef voidpf( + ZCALLBACK * open_file_func) OF( + (voidpf opaque, + const char *filename, + int mode)); + typedef uLong( + ZCALLBACK * read_file_func) OF( + (voidpf opaque, + voidpf stream, + void *buf, + uLong size)); + typedef uLong( + ZCALLBACK * write_file_func) OF( + (voidpf opaque, + voidpf stream, + const void *buf, + uLong size)); + typedef long( + ZCALLBACK * tell_file_func) OF( + (voidpf opaque, + voidpf stream)); + typedef long( + ZCALLBACK * seek_file_func) OF( + (voidpf opaque, + voidpf stream, + uLong offset, + int origin)); + typedef int( + ZCALLBACK * close_file_func) OF( + (voidpf opaque, + voidpf stream)); + typedef int( + ZCALLBACK * testerror_file_func) OF( + (voidpf opaque, + voidpf stream)); + + typedef struct zlib_filefunc_def_s + { + open_file_func zopen_file; + read_file_func zread_file; + write_file_func zwrite_file; + tell_file_func ztell_file; + seek_file_func zseek_file; + close_file_func zclose_file; + testerror_file_func zerror_file; + voidpf opaque; + } + zlib_filefunc_def; + + void fill_fopen_filefunc OF( + (zlib_filefunc_def * pzlib_filefunc_def)); + +#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) +#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) +#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) +#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) +#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) +#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream)) + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/util/src/minizip/axis2_iowin32.h b/util/src/minizip/axis2_iowin32.h new file mode 100644 index 0000000..bfe95cf --- /dev/null +++ b/util/src/minizip/axis2_iowin32.h @@ -0,0 +1,40 @@ + +/* +* Licensed to the Apache Software Foundation (ASF) under one or more +* contributor license agreements. See the NOTICE file distributed with +* this work for additional information regarding copyright ownership. +* The ASF licenses this file to You under the Apache License, Version 2.0 +* (the "License"); you may not use this file except in compliance with +* the License. You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +/* iowin32.h -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + This IO API version uses the Win32 API (for Microsoft Windows) + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include <windows.h> + +#ifdef __cplusplus +extern "C" +{ +#endif + + void fill_win32_filefunc OF( + (zlib_filefunc_def * pzlib_filefunc_def)); + +#ifdef __cplusplus +} +#endif diff --git a/util/src/minizip/axis2_unzip.h b/util/src/minizip/axis2_unzip.h new file mode 100644 index 0000000..f2e1f19 --- /dev/null +++ b/util/src/minizip/axis2_unzip.h @@ -0,0 +1,417 @@ + +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* unzip.h -- IO for uncompress .zip files using zlib + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g + WinZip, InfoZip tools and compatible. + + Multi volume ZipFile (span) are not supported. + Encryption compatible with pkzip 2.04g only supported + Old compressions used by old PKZip 1.x are not supported + + I WAIT FEEDBACK at mail info@winimage.com + Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution + + Condition of use and distribution are the same than zlib : + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + +*/ + +/* for more info about .ZIP format, see + http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip + http://www.info-zip.org/pub/infozip/doc/ + PkWare has also a specification at : + ftp://ftp.pkware.com/probdesc.zip +*/ + +#ifndef _unz_H +#define _unz_H + +#ifdef __cplusplus +extern "C" +{ +#endif + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#ifndef _ZLIBIOAPI_H +#include "axis2_ioapi.h" +#endif + +#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP) + + /* like the STRICT of WIN32, we define a pointer that cannot be converted + from (void*) without cast */ + typedef struct TagunzFile__ + { + int unused; + } + unzFile__; + typedef unzFile__ *unzFile; +#else + typedef voidp unzFile; +#endif + +#define UNZ_OK (0) +#define UNZ_END_OF_LIST_OF_FILE (-100) +#define UNZ_ERRNO (Z_ERRNO) +#define UNZ_EOF (0) +#define UNZ_PARAMERROR (-102) +#define UNZ_BADZIPFILE (-103) +#define UNZ_INTERNALERROR (-104) +#define UNZ_CRCERROR (-105) + + /* tm_unz contain date/time info */ + typedef struct tm_unz_s + { + uInt tm_sec; /* seconds after the minute - [0,59] */ + uInt tm_min; /* minutes after the hour - [0,59] */ + uInt tm_hour; /* hours since midnight - [0,23] */ + uInt tm_mday; /* day of the month - [1,31] */ + uInt tm_mon; /* months since January - [0,11] */ + uInt tm_year; /* years - [1980..2044] */ + } + tm_unz; + + /* unz_global_info structure contain global data about the ZIPfile + These data comes from the end of central dir */ + typedef struct unz_global_info_s + { + uLong number_entry; /* total number of entries in + the central dir on this disk */ + uLong size_comment; /* size of the global comment of the zipfile */ + } + unz_global_info; + + /* unz_file_info contain information about a file in the zipfile */ + typedef struct unz_file_info_s + { + uLong version; /* version made by 2 bytes */ + uLong version_needed; /* version needed to extract 2 bytes */ + uLong flag; /* general purpose bit flag 2 bytes */ + uLong compression_method; /* compression method 2 bytes */ + uLong dosDate; /* last mod file date in Dos fmt 4 bytes */ + uLong crc; /* crc-32 4 bytes */ + uLong compressed_size; /* compressed size 4 bytes */ + uLong uncompressed_size; /* uncompressed size 4 bytes */ + uLong size_filename; /* filename length 2 bytes */ + uLong size_file_extra; /* extra field length 2 bytes */ + uLong size_file_comment; /* file comment length 2 bytes */ + + uLong disk_num_start; /* disk number start 2 bytes */ + uLong internal_fa; /* internal file attributes 2 bytes */ + uLong external_fa; /* external file attributes 4 bytes */ + + tm_unz tmu_date; + } + unz_file_info; + + extern int ZEXPORT unzStringFileNameCompare OF( + (const char *fileName1, + const char *fileName2, + int iCaseSensitivity)); + + /* + Compare two filename (fileName1,fileName2). + If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) + If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi + or strcasecmp) + If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + (like 1 on Unix, 2 on Windows) + */ + + extern unzFile ZEXPORT unzOpen OF( + (const char *path)); + + /* + Open a Zip file. path contain the full pathname (by example, + on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer + "zlib/zlib113.zip". + If the zipfile cannot be opened (file don't exist or in not valid), the + return value is NULL. + Else, the return value is a unzFile Handle, usable with other function + of this unzip package. + */ + + extern unzFile ZEXPORT unzOpen2 OF( + (const char *path, + zlib_filefunc_def * pzlib_filefunc_def)); + + /* + Open a Zip file, like unzOpen, but provide a set of file low level API + for read/write the zip file (see axis2_ioapi.h) + */ + + extern int ZEXPORT unzClose OF( + (unzFile file)); + + /* + Close a ZipFile opened with unzipOpen. + If there is files inside the .Zip opened with unzOpenCurrentFile (see later), + these files MUST be closed with unzipCloseCurrentFile before call unzipClose. + return UNZ_OK if there is no problem. */ + + extern int ZEXPORT unzGetGlobalInfo OF( + (unzFile file, + unz_global_info * pglobal_info)); + + /* + Write info about the ZipFile in the *pglobal_info structure. + No preparation of the structure is needed + return UNZ_OK if there is no problem. */ + + extern int ZEXPORT unzGetGlobalComment OF( + (unzFile file, + char *szComment, + uLong uSizeBuf)); + + /* + Get the global comment string of the ZipFile, in the szComment buffer. + uSizeBuf is the size of the szComment buffer. + return the number of byte copied or an error code <0 + */ + + /***************************************************************************/ + + /* Unzip package allow you browse the directory of the zipfile */ + + extern int ZEXPORT unzGoToFirstFile OF( + (unzFile file)); + + /* + Set the current file of the zipfile to the first file. + return UNZ_OK if there is no problem + */ + + extern int ZEXPORT unzGoToNextFile OF( + (unzFile file)); + + /* + Set the current file of the zipfile to the next file. + return UNZ_OK if there is no problem + return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. + */ + + extern int ZEXPORT unzLocateFile OF( + (unzFile file, + const char *szFileName, + int iCaseSensitivity)); + + /* + Try locate the file szFileName in the zipfile. + For the iCaseSensitivity signification, see unzStringFileNameCompare + + return value : + UNZ_OK if the file is found. It becomes the current file. + UNZ_END_OF_LIST_OF_FILE if the file is not found + */ + + /* ****************************************** */ + + /* Ryan supplied functions */ + + /* unz_file_info contain information about a file in the zipfile */ + typedef struct unz_file_pos_s + { + uLong pos_in_zip_directory; /* offset in zip file directory */ + uLong num_of_file; /* # of file */ + } + unz_file_pos; + + extern int ZEXPORT unzGetFilePos( + unzFile file, + unz_file_pos * file_pos); + + extern int ZEXPORT unzGoToFilePos( + unzFile file, + unz_file_pos * file_pos); + + /* ****************************************** */ + + extern int ZEXPORT unzGetCurrentFileInfo OF( + (unzFile file, + unz_file_info * pfile_info, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize)); + + /* + Get Info about the current file + if pfile_info!=NULL, the *pfile_info structure will contain somes info about + the current file + if szFileName!=NULL, the filemane string will be copied in szFileName + (fileNameBufferSize is the size of the buffer) + if extraField!=NULL, the extra field information will be copied in extraField + (extraFieldBufferSize is the size of the buffer). + This is the Central-header version of the extra field + if szComment!=NULL, the comment string of the file will be copied in szComment + (commentBufferSize is the size of the buffer) + */ + + /***************************************************************************/ + + /* for reading the content of the current zipfile, you can open it, read data + from it, and close it (you can close it before reading all the file) + */ + + extern int ZEXPORT unzOpenCurrentFile OF( + (unzFile file)); + + /* + Open for reading data the current file in the zipfile. + If there is no error, the return value is UNZ_OK. + */ + + extern int ZEXPORT unzOpenCurrentFilePassword OF( + (unzFile file, + const char *password)); + + /* + Open for reading data the current file in the zipfile. + password is a crypting password + If there is no error, the return value is UNZ_OK. + */ + + extern int ZEXPORT unzOpenCurrentFile2 OF( + (unzFile file, + int *method, + int *level, + int raw)); + + /* + Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) + if raw==1 + *method will receive method of compression, *level will receive level of + compression + note : you can set level parameter as NULL (if you did not want known level, + but you CANNOT set method parameter as NULL + */ + + extern int ZEXPORT unzOpenCurrentFile3 OF( + (unzFile file, + int *method, + int *level, + int raw, + const char *password)); + + /* + Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) + if raw==1 + *method will receive method of compression, *level will receive level of + compression + note : you can set level parameter as NULL (if you did not want known level, + but you CANNOT set method parameter as NULL + */ + + extern int ZEXPORT unzCloseCurrentFile OF( + (unzFile file)); + + /* + Close the file in zip opened with unzOpenCurrentFile + Return UNZ_CRCERROR if all the file was read but the CRC is not good + */ + + extern int ZEXPORT unzReadCurrentFile OF( + (unzFile file, + voidp buf, + unsigned len)); + + /* + Read bytes from the current file (opened by unzOpenCurrentFile) + buf contain buffer where data must be copied + len the size of buf. + + return the number of byte copied if somes bytes are copied + return 0 if the end of file was reached + return <0 with error code if there is an error + (UNZ_ERRNO for IO error, or zLib error for uncompress error) + */ + + extern z_off_t ZEXPORT unztell OF( + (unzFile file)); + + /* + Give the current position in uncompressed data + */ + + extern int ZEXPORT unzeof OF( + (unzFile file)); + + /* + return 1 if the end of file was reached, 0 elsewhere + */ + + extern int ZEXPORT unzGetLocalExtrafield OF( + (unzFile file, + voidp buf, + unsigned len)); + + /* + Read extra field from the current file (opened by unzOpenCurrentFile) + This is the local-header version of the extra field (sometimes, there is + more info in the local-header version than in the central-header) + + if buf==NULL, it return the size of the local extra field + + if buf!=NULL, len is the size of the buffer, the extra header is copied in + buf. + the return value is the number of bytes copied in buf, or (if <0) + the error code + */ + + /***************************************************************************/ + + /* Get the current file offset */ + extern uLong ZEXPORT unzGetOffset( + unzFile file); + + /* Set the current file offset */ + extern int ZEXPORT unzSetOffset( + unzFile file, + uLong pos); + +#ifdef __cplusplus +} +#endif + +#endif /* _unz_H */ diff --git a/util/src/minizip/crypt.c b/util/src/minizip/crypt.c new file mode 100644 index 0000000..bf2b1d8 --- /dev/null +++ b/util/src/minizip/crypt.c @@ -0,0 +1,172 @@ + +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* crypt.h -- base code for crypt/uncrypt ZIPfile + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This code is a modified version of crypting code in Infozip distribution + + The encryption/decryption parts of this source code (as opposed to the + non-echoing password parts) were originally written in Europe. The + whole source package can be freely distributed, including from the USA. + (Prior to January 2000, re-export from the US was a violation of US law.) + + This encryption code is a direct transcription of the algorithm from + Roger Schlafly, described by Phil Katz in the file appnote.txt. This + file (appnote.txt) is distributed with the PKZIP program (even in the + version without encryption capabilities). + + If you don't need crypting in your application, just define symbols + NOCRYPT and NOUNCRYPT. + + This code support the "Traditional PKWARE Encryption". + + The new AES encryption added on Zip format by Winzip (see the page + http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong + Encryption is not supported. +*/ + +#include <axis2_crypt.h> + +#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8)) + +/*********************************************************************** + * Return the next byte in the pseudo-random sequence + */ +int +decrypt_byte( + unsigned long *pkeys, + const unsigned long *pcrc_32_tab) +{ + unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an + * unpredictable manner on 16-bit systems; not a problem + * with any known compiler so far, though */ + + temp = ((unsigned) (*(pkeys + 2)) & 0xffff) | 2; + return (int) (((temp * (temp ^ 1)) >> 8) & 0xff); +} + +/*********************************************************************** + * Update the encryption keys with the next byte of plain text + */ +int +update_keys( + unsigned long *pkeys, + const unsigned long *pcrc_32_tab, + int c) +{ + (*(pkeys + 0)) = CRC32((*(pkeys + 0)), c); + (*(pkeys + 1)) += (*(pkeys + 0)) & 0xff; + (*(pkeys + 1)) = (*(pkeys + 1)) * 134775813L + 1; + { + register int keyshift = (int) ((*(pkeys + 1)) >> 24); + (*(pkeys + 2)) = CRC32((*(pkeys + 2)), keyshift); + } + return c; +} + +/*********************************************************************** + * Initialize the encryption keys and the random header according to + * the given password. + */ +void +init_keys( + const char *passwd, + unsigned long *pkeys, + const unsigned long *pcrc_32_tab) +{ + *(pkeys + 0) = 305419896L; + *(pkeys + 1) = 591751049L; + *(pkeys + 2) = 878082192L; + while (*passwd != '\0') + { + update_keys(pkeys, pcrc_32_tab, (int) *passwd); + passwd++; + } +} + +#define zdecode(pkeys,pcrc_32_tab,c) \ + (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab))) + +#define zencode(pkeys,pcrc_32_tab,c,t) \ + (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c)) + +#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED + +#define RAND_HEAD_LEN 12 + +/* "last resort" source for second part of crypt seed pattern */ +# ifndef ZCR_SEED2 +# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ +# endif + +int +crypthead( + passwd, + buf, + bufSize, + pkeys, + pcrc_32_tab, + crcForCrypting) + const char *passwd; /* password string */ + unsigned char *buf; /* where to write header */ + int bufSize; + unsigned long *pkeys; + const unsigned long *pcrc_32_tab; + unsigned long crcForCrypting; +{ + int n; /* index in random header */ + int t; /* temporary */ + int c; /* random byte */ + unsigned char header[RAND_HEAD_LEN - 2]; /* random header */ + static unsigned calls = 0; /* ensure different random header each time */ + + if (bufSize < RAND_HEAD_LEN) + return 0; + + /* First generate RAND_HEAD_LEN-2 random bytes. We encrypt the + * output of rand() to get less predictability, since rand() is + * often poorly implemented. + */ + if (++calls == 1) + { + srand((unsigned) (time(NULL) ^ ZCR_SEED2)); + } + init_keys(passwd, pkeys, pcrc_32_tab); + for (n = 0; n < RAND_HEAD_LEN - 2; n++) + { + c = (rand() >> 7) & 0xff; + header[n] = (unsigned char) zencode(pkeys, pcrc_32_tab, c, t); + } + /* Encrypt random header (last two bytes is high word of crc) */ + init_keys(passwd, pkeys, pcrc_32_tab); + for (n = 0; n < RAND_HEAD_LEN - 2; n++) + { + buf[n] = (unsigned char) zencode(pkeys, pcrc_32_tab, header[n], t); + } + buf[n++] = + zencode(pkeys, pcrc_32_tab, (int) (crcForCrypting >> 16) & 0xff, t); + buf[n++] = + zencode(pkeys, pcrc_32_tab, (int) (crcForCrypting >> 24) & 0xff, t); + return n; +} + +#endif diff --git a/util/src/minizip/ioapi.c b/util/src/minizip/ioapi.c new file mode 100644 index 0000000..7a0ac22 --- /dev/null +++ b/util/src/minizip/ioapi.c @@ -0,0 +1,197 @@ + +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* ioapi.c -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "zlib.h" +#include "axis2_ioapi.h" + +/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ + +#ifndef SEEK_CUR +#define SEEK_CUR 1 +#endif + +#ifndef SEEK_END +#define SEEK_END 2 +#endif + +#ifndef SEEK_SET +#define SEEK_SET 0 +#endif + +voidpf ZCALLBACK fopen_file_func OF( + (voidpf opaque, + const char *filename, + int mode)); + +uLong ZCALLBACK fread_file_func OF( + (voidpf opaque, + voidpf stream, + void *buf, + uLong size)); + +uLong ZCALLBACK fwrite_file_func OF( + (voidpf opaque, + voidpf stream, + const void *buf, + uLong size)); + +long ZCALLBACK ftell_file_func OF( + (voidpf opaque, + voidpf stream)); + +long ZCALLBACK fseek_file_func OF( + (voidpf opaque, + voidpf stream, + uLong offset, + int origin)); + +int ZCALLBACK fclose_file_func OF( + (voidpf opaque, + voidpf stream)); + +int ZCALLBACK ferror_file_func OF( + (voidpf opaque, + voidpf stream)); + +voidpf ZCALLBACK +fopen_file_func( + voidpf opaque, + const char *filename, + int mode) +{ + FILE *file = NULL; + const char *mode_fopen = NULL; + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) + mode_fopen = "rb"; + else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + mode_fopen = "r+b"; + else if (mode & ZLIB_FILEFUNC_MODE_CREATE) + mode_fopen = "wb"; + + if ((filename) && (mode_fopen != NULL)) + file = fopen(filename, mode_fopen); + return file; +} + +uLong ZCALLBACK +fread_file_func( + voidpf opaque, + voidpf stream, + void *buf, + uLong size) +{ + uLong ret; + ret = (uLong) fread(buf, 1, (size_t) size, (FILE *) stream); + return ret; +} + +uLong ZCALLBACK +fwrite_file_func( + voidpf opaque, + voidpf stream, + const void *buf, + uLong size) +{ + uLong ret; + ret = (uLong) fwrite(buf, 1, (size_t) size, (FILE *) stream); + return ret; +} + +long ZCALLBACK +ftell_file_func( + voidpf opaque, + voidpf stream) +{ + long ret; + ret = ftell((FILE *) stream); + return ret; +} + +long ZCALLBACK +fseek_file_func( + voidpf opaque, + voidpf stream, + uLong offset, + int origin) +{ + int fseek_origin = 0; + long ret; + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR: + fseek_origin = SEEK_CUR; + break; + case ZLIB_FILEFUNC_SEEK_END: + fseek_origin = SEEK_END; + break; + case ZLIB_FILEFUNC_SEEK_SET: + fseek_origin = SEEK_SET; + break; + default: + return -1; + } + ret = 0; + fseek((FILE *) stream, offset, fseek_origin); + return ret; +} + +int ZCALLBACK +fclose_file_func( + voidpf opaque, + voidpf stream) +{ + int ret; + ret = fclose((FILE *) stream); + return ret; +} + +int ZCALLBACK +ferror_file_func( + voidpf opaque, + voidpf stream) +{ + int ret; + ret = ferror((FILE *) stream); + return ret; +} + +void +fill_fopen_filefunc( + zlib_filefunc_def *pzlib_filefunc_def) +{ + pzlib_filefunc_def->zopen_file = fopen_file_func; + pzlib_filefunc_def->zread_file = fread_file_func; + pzlib_filefunc_def->zwrite_file = fwrite_file_func; + pzlib_filefunc_def->ztell_file = ftell_file_func; + pzlib_filefunc_def->zseek_file = fseek_file_func; + pzlib_filefunc_def->zclose_file = fclose_file_func; + pzlib_filefunc_def->zerror_file = ferror_file_func; + pzlib_filefunc_def->opaque = NULL; +} diff --git a/util/src/minizip/iowin32.c b/util/src/minizip/iowin32.c new file mode 100644 index 0000000..f774437 --- /dev/null +++ b/util/src/minizip/iowin32.c @@ -0,0 +1,300 @@ + +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* iowin32.c -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + This IO API version uses the Win32 API (for Microsoft Windows) + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include <stdlib.h> + +#include "zlib.h" +#include "axis2_ioapi.h" +#include "axis2_iowin32.h" + +#ifndef INVALID_HANDLE_VALUE +#define INVALID_HANDLE_VALUE (0xFFFFFFFF) +#endif + +#ifndef INVALID_SET_FILE_POINTER +#define INVALID_SET_FILE_POINTER ((DWORD)-1) +#endif + +voidpf ZCALLBACK win32_open_file_func OF( + (voidpf opaque, + const char *filename, + int mode)); + +uLong ZCALLBACK win32_read_file_func OF( + (voidpf opaque, + voidpf stream, + void *buf, + uLong size)); + +uLong ZCALLBACK win32_write_file_func OF( + (voidpf opaque, + voidpf stream, + const void *buf, + uLong size)); + +long ZCALLBACK win32_tell_file_func OF( + (voidpf opaque, + voidpf stream)); + +long ZCALLBACK win32_seek_file_func OF( + (voidpf opaque, + voidpf stream, + uLong offset, + int origin)); + +int ZCALLBACK win32_close_file_func OF( + (voidpf opaque, + voidpf stream)); + +int ZCALLBACK win32_error_file_func OF( + (voidpf opaque, + voidpf stream)); + +typedef struct +{ + HANDLE hf; + int error; +} +WIN32FILE_IOWIN; + +voidpf ZCALLBACK +win32_open_file_func( + voidpf opaque, + const char *filename, + int mode) +{ + /*const char *mode_fopen = NULL;*/ + DWORD dwDesiredAccess, + dwCreationDisposition, + dwShareMode, + dwFlagsAndAttributes; + HANDLE hFile = 0; + voidpf ret = NULL; + + dwDesiredAccess = dwShareMode = dwFlagsAndAttributes = dwCreationDisposition = 0; + /* dwCreationDisposition = 0, to avoid C4701 */ + + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) + { + dwDesiredAccess = GENERIC_READ; + dwCreationDisposition = OPEN_EXISTING; + dwShareMode = FILE_SHARE_READ; + } + else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + { + dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + dwCreationDisposition = OPEN_EXISTING; + } + else if (mode & ZLIB_FILEFUNC_MODE_CREATE) + { + dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + dwCreationDisposition = CREATE_ALWAYS; + } + + if ((filename) && (dwDesiredAccess != 0)) + hFile = + CreateFile((LPCTSTR) filename, dwDesiredAccess, dwShareMode, NULL, + dwCreationDisposition, dwFlagsAndAttributes, NULL); + + if (hFile == INVALID_HANDLE_VALUE) + hFile = NULL; + + if (hFile) + { + WIN32FILE_IOWIN w32fiow; + w32fiow.hf = hFile; + w32fiow.error = 0; + ret = malloc(sizeof(WIN32FILE_IOWIN)); + if (ret == NULL) + CloseHandle(hFile); + else + *((WIN32FILE_IOWIN *) ret) = w32fiow; + } + return ret; +} + +uLong ZCALLBACK +win32_read_file_func( + voidpf opaque, + voidpf stream, + void *buf, + uLong size) +{ + uLong ret = 0; + HANDLE hFile = NULL; + if (stream) + hFile = ((WIN32FILE_IOWIN *) stream)->hf; + if (hFile) + if (!ReadFile(hFile, buf, size, &ret, NULL)) + { + DWORD dwErr = GetLastError(); + if (dwErr == ERROR_HANDLE_EOF) + dwErr = 0; + ((WIN32FILE_IOWIN *) stream)->error = (int) dwErr; + } + + return ret; +} + +uLong ZCALLBACK +win32_write_file_func( + voidpf opaque, + voidpf stream, + const void *buf, + uLong size) +{ + uLong ret = 0; + HANDLE hFile = NULL; + if (stream) + hFile = ((WIN32FILE_IOWIN *) stream)->hf; + + if (hFile) + if (!WriteFile(hFile, buf, size, &ret, NULL)) + { + DWORD dwErr = GetLastError(); + if (dwErr == ERROR_HANDLE_EOF) + dwErr = 0; + ((WIN32FILE_IOWIN *) stream)->error = (int) dwErr; + } + + return ret; +} + +long ZCALLBACK +win32_tell_file_func( + voidpf opaque, + voidpf stream) +{ + long ret = -1; + HANDLE hFile = NULL; + if (stream) + hFile = ((WIN32FILE_IOWIN *) stream)->hf; + if (hFile) + { + DWORD dwSet = SetFilePointer(hFile, 0, NULL, FILE_CURRENT); + if (dwSet == INVALID_SET_FILE_POINTER) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN *) stream)->error = (int) dwErr; + ret = -1; + } + else + ret = (long) dwSet; + } + return ret; +} + +long ZCALLBACK +win32_seek_file_func( + voidpf opaque, + voidpf stream, + uLong offset, + int origin) +{ + DWORD dwMoveMethod = 0xFFFFFFFF; + HANDLE hFile = NULL; + + long ret = -1; + if (stream) + hFile = ((WIN32FILE_IOWIN *) stream)->hf; + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR: + dwMoveMethod = FILE_CURRENT; + break; + case ZLIB_FILEFUNC_SEEK_END: + dwMoveMethod = FILE_END; + break; + case ZLIB_FILEFUNC_SEEK_SET: + dwMoveMethod = FILE_BEGIN; + break; + default: + return -1; + } + + if (hFile) + { + DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod); + if (dwSet == INVALID_SET_FILE_POINTER) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN *) stream)->error = (int) dwErr; + ret = -1; + } + else + ret = 0; + } + return ret; +} + +int ZCALLBACK +win32_close_file_func( + voidpf opaque, + voidpf stream) +{ + int ret = -1; + + if (stream) + { + HANDLE hFile; + hFile = ((WIN32FILE_IOWIN *) stream)->hf; + if (hFile) + { + CloseHandle(hFile); + ret = 0; + } + free(stream); + } + return ret; +} + +int ZCALLBACK +win32_error_file_func( + voidpf opaque, + voidpf stream) +{ + int ret = -1; + if (stream) + { + ret = ((WIN32FILE_IOWIN *) stream)->error; + } + return ret; +} + +void +fill_win32_filefunc( + zlib_filefunc_def *pzlib_filefunc_def) +{ + pzlib_filefunc_def->zopen_file = win32_open_file_func; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell_file = win32_tell_file_func; + pzlib_filefunc_def->zseek_file = win32_seek_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; +} diff --git a/util/src/minizip/unzip.c b/util/src/minizip/unzip.c new file mode 100644 index 0000000..146d93a --- /dev/null +++ b/util/src/minizip/unzip.c @@ -0,0 +1,1655 @@ + +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* unzip.c -- IO for uncompress .zip files using zlib + * Version 1.01e, February 12th, 2005 + * + * Copyright (C) 1998-2005 Gilles Vollant + * + * Read axis2_unzip.h for more info + * + * + * Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of + * compatibility with older software. The following is from the original crypt.c. Code + * woven in by Terry Thorsen 1/2003. + * + * + * + * Copyright (c) 1990-2000 Info-ZIP. All rights reserved. + * + * See the accompanying file LICENSE, version 2000-Apr-09 or later + * (the contents of which are also included in zip.h) for terms of use. + * If, for some reason, all these files are missing, the Info-ZIP license + * also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html + * + * + * + * crypt.c (full version) by Info-ZIP. Last revised: [see crypt.h] + * + * The encryption/decryption parts of this source code (as opposed to the + * non-echoing password parts) were originally written in Europe. The + * whole source package can be freely distributed, including from the USA. + * (Prior to January 2000, re-export from the US was a violation of US law.) + * + * + * + * This encryption code is a direct transcription of the algorithm from + * Roger Schlafly, described by Phil Katz in the file appnote.txt. This + * file (appnote.txt) is distributed with the PKZIP program (even in the + * version without encryption capabilities). + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "zlib.h" +#include "axis2_unzip.h" + +#ifdef STDC +# include <stddef.h> +# include <string.h> +# include <stdlib.h> +#endif +#ifdef NO_ERRNO_H +extern int errno; +#else +# include <errno.h> +#endif + +#ifndef local +# define local static +#endif + +/* compile with -Dlocal if your debugger can't find static symbols */ + +#ifndef CASESENSITIVITYDEFAULT_NO +# if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) +# define CASESENSITIVITYDEFAULT_NO +# endif +#endif + +#ifndef UNZ_BUFSIZE +#define UNZ_BUFSIZE (16384) +#endif + +#ifndef UNZ_MAXFILENAMEINZIP +#define UNZ_MAXFILENAMEINZIP (256) +#endif + +#ifndef ALLOC +# define ALLOC(size) (malloc(size)) +#endif +#ifndef TRYFREE +# define TRYFREE(p) {if (p) free(p);} +#endif + +#define SIZECENTRALDIRITEM (0x2e) +#define SIZEZIPLOCALHEADER (0x1e) + +const char unz_copyright[] = + " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; + +/* unz_file_info_interntal contain internal info about a file in zipfile*/ +typedef struct unz_file_info_internal_s +{ + uLong offset_curfile; /* relative offset of local header 4 bytes */ +} +unz_file_info_internal; + +/* + * file_in_zip_read_info_s contain internal information about a file in zipfile, + * when reading and decompress it + */ +typedef struct +{ + char *read_buffer; /* internal buffer for compressed data */ + z_stream stream; /* zLib stream structure for inflate */ + + uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek */ + uLong stream_initialised; /* flag set if stream structure is initialised */ + + uLong offset_local_extrafield; /* offset of the local extra field */ + uInt size_local_extrafield; /* size of the local extra field */ + uLong pos_local_extrafield; /* position in the local extra field in read */ + + uLong crc32; /* crc32 of all data uncompressed */ + uLong crc32_wait; /* crc32 we must obtain after decompress all */ + uLong rest_read_compressed; /* number of byte to be decompressed */ + uLong rest_read_uncompressed; /*number of byte to be obtained after decomp */ + zlib_filefunc_def z_filefunc; + voidpf filestream; /* io structore of the zipfile */ + uLong compression_method; /* compression method (0==store) */ + uLong byte_before_the_zipfile; /* byte before the zipfile, (>0 for sfx) */ + int raw; +} +file_in_zip_read_info_s; + +/* unz_s contain internal information about the zipfile */ +typedef struct +{ + zlib_filefunc_def z_filefunc; + voidpf filestream; /* io structore of the zipfile */ + unz_global_info gi; /* public global information */ + uLong byte_before_the_zipfile; /* byte before the zipfile, (>0 for sfx) */ + uLong num_file; /* number of the current file in the zipfile */ + uLong pos_in_central_dir; /* pos of the current file in the central dir */ + uLong current_file_ok; /* flag about the usability of the current file */ + uLong central_pos; /* position of the beginning of the central dir */ + + uLong size_central_dir; /* size of the central directory */ + uLong offset_central_dir; /* offset of start of central directory with + * respect to the starting disk number */ + + unz_file_info cur_file_info; /* public info about the current file in zip */ + unz_file_info_internal cur_file_info_internal; /* private info about it */ + file_in_zip_read_info_s *pfile_in_zip_read; /* structure about the current + * file if we are decompressing it */ + int encrypted; +# ifndef NOUNCRYPT + unsigned long keys[3]; /* keys defining the pseudo-random sequence */ + const unsigned long *pcrc_32_tab; +# endif +} +unz_s; + +#ifndef NOUNCRYPT +#include <axis2_crypt.h> +#endif + +/* + * Read a byte from a gz_stream; update next_in and avail_in. Return EOF + * for end of file. + * IN assertion: the stream s has been sucessfully opened for reading. + */ + +local int unzlocal_getByte OF( + (const zlib_filefunc_def * pzlib_filefunc_def, + voidpf filestream, + int *pi)); + +local int +unzlocal_getByte( + const zlib_filefunc_def *pzlib_filefunc_def, + voidpf filestream, + int *pi) +{ + unsigned char c; + int err = (int) ZREAD(*pzlib_filefunc_def, filestream, &c, 1); + if (err == 1) + { + *pi = (int) c; + return UNZ_OK; + } + else + { + if (ZERROR(*pzlib_filefunc_def, filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } +} + +/* Reads a long in LSB order from the given gz_stream. Sets */ +local int unzlocal_getShort OF( + (const zlib_filefunc_def * pzlib_filefunc_def, + voidpf filestream, + uLong * pX)); + +local int +unzlocal_getShort( + const zlib_filefunc_def *pzlib_filefunc_def, + voidpf filestream, + uLong *pX) +{ + uLong x; + int i = 0; + int err = 0; + + err = unzlocal_getByte(pzlib_filefunc_def, filestream, &i); + x = (uLong) i; + + if (err == UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def, filestream, &i); + x += ((uLong) i) << 8; + + if (err == UNZ_OK) + *pX = x; + else + *pX = 0; + return err; +} + +local int unzlocal_getLong OF( + (const zlib_filefunc_def * pzlib_filefunc_def, + voidpf filestream, + uLong * pX)); + +local int +unzlocal_getLong( + const zlib_filefunc_def *pzlib_filefunc_def, + voidpf filestream, + uLong *pX) +{ + uLong x; + int i = 0; + int err = 0; + + err = unzlocal_getByte(pzlib_filefunc_def, filestream, &i); + x = (uLong) i; + + if (err == UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def, filestream, &i); + x += ((uLong) i) << 8; + + if (err == UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def, filestream, &i); + x += ((uLong) i) << 16; + + if (err == UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def, filestream, &i); + x += ((uLong) i) << 24; + + if (err == UNZ_OK) + *pX = x; + else + *pX = 0; + return err; +} + +/* My own strcmpi / strcasecmp */ +local int +strcmpcasenosensitive_internal( + const char *fileName1, + const char *fileName2) +{ + for (;;) + { + char c1 = *(fileName1++); + char c2 = *(fileName2++); + if ((c1 >= 'a') && (c1 <= 'z')) + c1 -= 0x20; + if ((c2 >= 'a') && (c2 <= 'z')) + c2 -= 0x20; + if (c1 == '\0') + return ((c2 == '\0') ? 0 : -1); + if (c2 == '\0') + return 1; + if (c1 < c2) + return -1; + if (c1 > c2) + return 1; + } +} + +#ifdef CASESENSITIVITYDEFAULT_NO +#define CASESENSITIVITYDEFAULTVALUE 2 +#else +#define CASESENSITIVITYDEFAULTVALUE 1 +#endif + +#ifndef STRCMPCASENOSENTIVEFUNCTION +#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal +#endif + +/* + * Compare two filename (fileName1,fileName2). + * If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) + * If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi + * or strcasecmp) + * If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + * (like 1 on Unix, 2 on Windows) + */ +extern int ZEXPORT +unzStringFileNameCompare( + const char *fileName1, + const char *fileName2, + int iCaseSensitivity) +{ + if (iCaseSensitivity == 0) + iCaseSensitivity = CASESENSITIVITYDEFAULTVALUE; + + if (iCaseSensitivity == 1) + return strcmp(fileName1, fileName2); + + return STRCMPCASENOSENTIVEFUNCTION(fileName1, fileName2); +} + +#ifndef BUFREADCOMMENT +#define BUFREADCOMMENT (0x400) +#endif + +/* + * Locate the Central directory of a zipfile (at the end, just before + * the global comment) + */ +local uLong unzlocal_SearchCentralDir OF( + (const zlib_filefunc_def * pzlib_filefunc_def, + voidpf filestream)); + +local uLong +unzlocal_SearchCentralDir( + const zlib_filefunc_def *pzlib_filefunc_def, + voidpf filestream) +{ + unsigned char *buf; + uLong uSizeFile; + uLong uBackRead; + uLong uMaxBack = 0xffff; /* maximum size of global comment */ + uLong uPosFound = 0; + + if (ZSEEK(*pzlib_filefunc_def, filestream, 0, ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + uSizeFile = ZTELL(*pzlib_filefunc_def, filestream); + + if (uMaxBack > uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char *) ALLOC(BUFREADCOMMENT + 4); + if (buf == NULL) + return 0; + + uBackRead = 4; + while (uBackRead < uMaxBack) + { + uLong uReadSize, + uReadPos; + int i = 0; + if (uBackRead + BUFREADCOMMENT > uMaxBack) + uBackRead = uMaxBack; + else + uBackRead += BUFREADCOMMENT; + uReadPos = uSizeFile - uBackRead; + + uReadSize = ((BUFREADCOMMENT + 4) < (uSizeFile - uReadPos)) ? + (BUFREADCOMMENT + 4) : (uSizeFile - uReadPos); + if (ZSEEK + (*pzlib_filefunc_def, filestream, uReadPos, + ZLIB_FILEFUNC_SEEK_SET) != 0) + break; + + if (ZREAD(*pzlib_filefunc_def, filestream, buf, uReadSize) != uReadSize) + break; + + for (i = (int) uReadSize - 3; (i--) > 0;) + if (((*(buf + i)) == 0x50) && ((*(buf + i + 1)) == 0x4b) && + ((*(buf + i + 2)) == 0x05) && ((*(buf + i + 3)) == 0x06)) + { + uPosFound = uReadPos + i; + break; + } + + if (uPosFound != 0) + break; + } + TRYFREE(buf); + return uPosFound; +} + +/* + * Open a Zip file. path contain the full pathname (by example, + * on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer + * "zlib/zlib114.zip". + * If the zipfile cannot be opened (file doesn't exist or in not valid), the + * return value is NULL. + * Else, the return value is a unzFile Handle, usable with other function + * of this unzip package. + */ +extern unzFile ZEXPORT +unzOpen2( + const char *path, + zlib_filefunc_def *pzlib_filefunc_def) +{ + unz_s us; + unz_s *s; + uLong central_pos, + uL; + + uLong number_disk; /* number of the current dist, used for + * spaning ZIP, unsupported, always 0 */ + uLong number_disk_with_CD; /* number the the disk with central dir, used + * for spaning ZIP, unsupported, always 0 */ + uLong number_entry_CD; /* total number of entries in + * the central dir + * (same than number_entry on nospan) */ + + int err = UNZ_OK; + + if (unz_copyright[0] != ' ') + return NULL; + + if (pzlib_filefunc_def == NULL) + fill_fopen_filefunc(&us.z_filefunc); + else + us.z_filefunc = *pzlib_filefunc_def; + + us.filestream = (*(us.z_filefunc.zopen_file)) (us.z_filefunc.opaque, + path, + ZLIB_FILEFUNC_MODE_READ | + ZLIB_FILEFUNC_MODE_EXISTING); + if (us.filestream == NULL) + return NULL; + + central_pos = unzlocal_SearchCentralDir(&us.z_filefunc, us.filestream); + if (central_pos == 0) + err = UNZ_ERRNO; + + if (ZSEEK(us.z_filefunc, us.filestream, + central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) + err = UNZ_ERRNO; + + /* the signature, already checked */ + if (unzlocal_getLong(&us.z_filefunc, us.filestream, &uL) != UNZ_OK) + err = UNZ_ERRNO; + + /* number of this disk */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream, &number_disk) != + UNZ_OK) + err = UNZ_ERRNO; + + /* number of the disk with the start of the central directory */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream, &number_disk_with_CD) + != UNZ_OK) + err = UNZ_ERRNO; + + /* total number of entries in the central dir on this disk */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream, &us.gi.number_entry) != + UNZ_OK) + err = UNZ_ERRNO; + + /* total number of entries in the central dir */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream, &number_entry_CD) != + UNZ_OK) + err = UNZ_ERRNO; + + if ((number_entry_CD != us.gi.number_entry) || + (number_disk_with_CD != 0) || (number_disk != 0)) + err = UNZ_BADZIPFILE; + + /* size of the central directory */ + if (unzlocal_getLong(&us.z_filefunc, us.filestream, &us.size_central_dir) != + UNZ_OK) + err = UNZ_ERRNO; + + /* offset of start of central directory with respect to the + * starting disk number */ + if (unzlocal_getLong(&us.z_filefunc, us.filestream, &us.offset_central_dir) + != UNZ_OK) + err = UNZ_ERRNO; + + /* zipfile comment length */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream, &us.gi.size_comment) != + UNZ_OK) + err = UNZ_ERRNO; + + if ((central_pos < us.offset_central_dir + us.size_central_dir) && + (err == UNZ_OK)) + err = UNZ_BADZIPFILE; + + if (err != UNZ_OK) + { + ZCLOSE(us.z_filefunc, us.filestream); + return NULL; + } + + us.byte_before_the_zipfile = central_pos - + (us.offset_central_dir + us.size_central_dir); + us.central_pos = central_pos; + us.pfile_in_zip_read = NULL; + us.encrypted = 0; + + s = (unz_s *) ALLOC(sizeof(unz_s)); + *s = us; + unzGoToFirstFile((unzFile) s); + return (unzFile) s; +} + +extern unzFile ZEXPORT +unzOpen( + const char *path) +{ + return unzOpen2(path, NULL); +} + +/* + * Close a ZipFile opened with unzipOpen. + * If there is files inside the .Zip opened with unzipOpenCurrentFile (see later), + * these files MUST be closed with unzipCloseCurrentFile before call unzipClose. + * return UNZ_OK if there is no problem. + */ +extern int ZEXPORT +unzClose( + unzFile file) +{ + unz_s *s; + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + + if (s->pfile_in_zip_read) + unzCloseCurrentFile(file); + + ZCLOSE(s->z_filefunc, s->filestream); + TRYFREE(s); + return UNZ_OK; +} + +/* + * Write info about the ZipFile in the *pglobal_info structure. + * No preparation of the structure is needed + * return UNZ_OK if there is no problem. + */ +extern int ZEXPORT +unzGetGlobalInfo( + unzFile file, + unz_global_info *pglobal_info) +{ + unz_s *s; + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + *pglobal_info = s->gi; + return UNZ_OK; +} + +/* Translate date/time from Dos format to tm_unz (readable more easilty) */ +local void +unzlocal_DosDateToTmuDate( + uLong ulDosDate, + tm_unz *ptm) +{ + uLong uDate; + uDate = (uLong) (ulDosDate >> 16); + ptm->tm_mday = (uInt) (uDate & 0x1f); + ptm->tm_mon = (uInt) ((((uDate) & 0x1E0) / 0x20) - 1); + ptm->tm_year = (uInt) (((uDate & 0x0FE00) / 0x0200) + 1980); + + ptm->tm_hour = (uInt) ((ulDosDate & 0xF800) / 0x800); + ptm->tm_min = (uInt) ((ulDosDate & 0x7E0) / 0x20); + ptm->tm_sec = (uInt) (2 * (ulDosDate & 0x1f)); +} + +/* Get Info about the current file in the zipfile, with internal only info */ +local int unzlocal_GetCurrentFileInfoInternal OF( + (unzFile file, + unz_file_info * pfile_info, + unz_file_info_internal * pfile_info_internal, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize)); + +local int +unzlocal_GetCurrentFileInfoInternal( + unzFile file, + unz_file_info *pfile_info, + unz_file_info_internal *pfile_info_internal, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize) +{ + unz_s *s; + unz_file_info file_info; + unz_file_info_internal file_info_internal; + int err = UNZ_OK; + uLong uMagic = 0x00000000; + long lSeek = 0; + + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + if (ZSEEK(s->z_filefunc, s->filestream, + s->pos_in_central_dir + s->byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET) != 0) + err = UNZ_ERRNO; + + /* we check the magic */ + if (err == UNZ_OK) + { + if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uMagic) != UNZ_OK) + err = UNZ_ERRNO; + } + else if (uMagic != 0x02014b50) + { + err = UNZ_BADZIPFILE; + } + + if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.version) != + UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getShort + (&s->z_filefunc, s->filestream, &file_info.version_needed) != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.flag) != + UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getShort + (&s->z_filefunc, s->filestream, + &file_info.compression_method) != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream, &file_info.dosDate) != + UNZ_OK) + err = UNZ_ERRNO; + + unzlocal_DosDateToTmuDate(file_info.dosDate, &file_info.tmu_date); + + if (unzlocal_getLong(&s->z_filefunc, s->filestream, &file_info.crc) != + UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getLong + (&s->z_filefunc, s->filestream, &file_info.compressed_size) != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getLong + (&s->z_filefunc, s->filestream, &file_info.uncompressed_size) != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getShort + (&s->z_filefunc, s->filestream, &file_info.size_filename) != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getShort + (&s->z_filefunc, s->filestream, &file_info.size_file_extra) != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getShort + (&s->z_filefunc, s->filestream, &file_info.size_file_comment) != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getShort + (&s->z_filefunc, s->filestream, &file_info.disk_num_start) != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.internal_fa) + != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream, &file_info.external_fa) + != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getLong + (&s->z_filefunc, s->filestream, + &file_info_internal.offset_curfile) != UNZ_OK) + err = UNZ_ERRNO; + + lSeek += file_info.size_filename; + if ((err == UNZ_OK) && (szFileName)) + { + uLong uSizeRead; + if (file_info.size_filename < fileNameBufferSize) + { + *(szFileName + file_info.size_filename) = '\0'; + uSizeRead = file_info.size_filename; + } + else + uSizeRead = fileNameBufferSize; + + if ((file_info.size_filename > 0) && (fileNameBufferSize > 0)) + if (ZREAD(s->z_filefunc, s->filestream, szFileName, uSizeRead) != + uSizeRead) + err = UNZ_ERRNO; + lSeek -= uSizeRead; + } + + if ((err == UNZ_OK) && (extraField)) + { + uLong uSizeRead; + if (file_info.size_file_extra < extraFieldBufferSize) + uSizeRead = file_info.size_file_extra; + else + uSizeRead = extraFieldBufferSize; + + if (lSeek != 0) + { + if (ZSEEK + (s->z_filefunc, s->filestream, lSeek, + ZLIB_FILEFUNC_SEEK_CUR) == 0) + lSeek = 0; + else + err = UNZ_ERRNO; + } + if ((file_info.size_file_extra > 0) && (extraFieldBufferSize > 0)) + if (ZREAD(s->z_filefunc, s->filestream, extraField, uSizeRead) != + uSizeRead) + err = UNZ_ERRNO; + lSeek += file_info.size_file_extra - uSizeRead; + } + else + lSeek += file_info.size_file_extra; + + if ((err == UNZ_OK) && (szComment)) + { + uLong uSizeRead; + if (file_info.size_file_comment < commentBufferSize) + { + *(szComment + file_info.size_file_comment) = '\0'; + uSizeRead = file_info.size_file_comment; + } + else + uSizeRead = commentBufferSize; + + if (lSeek != 0) + { + if (ZSEEK + (s->z_filefunc, s->filestream, lSeek, + ZLIB_FILEFUNC_SEEK_CUR) == 0) + lSeek = 0; + else + err = UNZ_ERRNO; + } + if ((file_info.size_file_comment > 0) && (commentBufferSize > 0)) + if (ZREAD(s->z_filefunc, s->filestream, szComment, uSizeRead) != + uSizeRead) + err = UNZ_ERRNO; + lSeek += file_info.size_file_comment - uSizeRead; + } + else + lSeek += file_info.size_file_comment; + + if ((err == UNZ_OK) && (pfile_info)) + *pfile_info = file_info; + + if ((err == UNZ_OK) && (pfile_info_internal)) + *pfile_info_internal = file_info_internal; + + return err; +} + +/* + * Write info about the ZipFile in the *pglobal_info structure. + * No preparation of the structure is needed + * return UNZ_OK if there is no problem. + */ +extern int ZEXPORT +unzGetCurrentFileInfo( + unzFile file, + unz_file_info *pfile_info, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize) +{ + return unzlocal_GetCurrentFileInfoInternal(file, pfile_info, NULL, + szFileName, fileNameBufferSize, + extraField, extraFieldBufferSize, + szComment, commentBufferSize); +} + +/* + * Set the current file of the zipfile to the first file. + * return UNZ_OK if there is no problem + */ +extern int ZEXPORT +unzGoToFirstFile( + unzFile file) +{ + int err = UNZ_OK; + unz_s *s; + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + s->pos_in_central_dir = s->offset_central_dir; + s->num_file = 0; + err = unzlocal_GetCurrentFileInfoInternal(file, &s->cur_file_info, + &s->cur_file_info_internal, + NULL, 0, NULL, 0, NULL, 0); + s->current_file_ok = (err == UNZ_OK); + return err; +} + +/* + * Set the current file of the zipfile to the next file. + * return UNZ_OK if there is no problem + * return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. + */ +extern int ZEXPORT +unzGoToNextFile( + unzFile file) +{ + unz_s *s; + int err; + + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + if (s->gi.number_entry != 0xffff) /* 2^16 files overflow hack */ + if (s->num_file + 1 == s->gi.number_entry) + return UNZ_END_OF_LIST_OF_FILE; + + s->pos_in_central_dir += + SIZECENTRALDIRITEM + s->cur_file_info.size_filename + + s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment; + s->num_file++; + err = unzlocal_GetCurrentFileInfoInternal(file, &s->cur_file_info, + &s->cur_file_info_internal, + NULL, 0, NULL, 0, NULL, 0); + s->current_file_ok = (err == UNZ_OK); + return err; +} + +/* + * Try locate the file szFileName in the zipfile. + * For the iCaseSensitivity signification, see unzipStringFileNameCompare + * + * return value : + * UNZ_OK if the file is found. It becomes the current file. + * UNZ_END_OF_LIST_OF_FILE if the file is not found + */ +extern int ZEXPORT +unzLocateFile( + unzFile file, + const char *szFileName, + int iCaseSensitivity) +{ + unz_s *s; + int err = 0; + + /* We remember the 'current' position in the file so that we can jump + * back there if we fail. + */ + unz_file_info cur_file_infoSaved; + unz_file_info_internal cur_file_info_internalSaved; + uLong num_fileSaved; + uLong pos_in_central_dirSaved; + + if (file == NULL) + return UNZ_PARAMERROR; + + if (strlen(szFileName) >= UNZ_MAXFILENAMEINZIP) + return UNZ_PARAMERROR; + + s = (unz_s *) file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + + /* Save the current state */ + num_fileSaved = s->num_file; + pos_in_central_dirSaved = s->pos_in_central_dir; + cur_file_infoSaved = s->cur_file_info; + cur_file_info_internalSaved = s->cur_file_info_internal; + + err = unzGoToFirstFile(file); + + while (err == UNZ_OK) + { + char szCurrentFileName[UNZ_MAXFILENAMEINZIP + 1]; + err = unzGetCurrentFileInfo(file, NULL, + szCurrentFileName, + sizeof(szCurrentFileName) - 1, NULL, 0, + NULL, 0); + if (err == UNZ_OK) + { + if (unzStringFileNameCompare(szCurrentFileName, + szFileName, iCaseSensitivity) == 0) + return UNZ_OK; + err = unzGoToNextFile(file); + } + } + + /* We failed, so restore the state of the 'current file' to where we + * were. + */ + s->num_file = num_fileSaved; + s->pos_in_central_dir = pos_in_central_dirSaved; + s->cur_file_info = cur_file_infoSaved; + s->cur_file_info_internal = cur_file_info_internalSaved; + return err; +} + +/* + * Contributed by Ryan Haksi (mailto://cryogen@infoserve.net) + * I need random access + * + * Further optimization could be realized by adding an ability + * to cache the directory in memory. The goal being a single + * comprehensive file read to put the file I need in a memory. + */ + +/* +typedef struct unz_file_pos_s +{ + uLong pos_in_zip_directory; + uLong num_of_file; +} unz_file_pos; +*/ + +extern int ZEXPORT +unzGetFilePos( + unzFile file, + unz_file_pos *file_pos) +{ + unz_s *s; + + if (file == NULL || file_pos == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + + file_pos->pos_in_zip_directory = s->pos_in_central_dir; + file_pos->num_of_file = s->num_file; + + return UNZ_OK; +} + +extern int ZEXPORT +unzGoToFilePos( + unzFile file, + unz_file_pos *file_pos) +{ + unz_s *s; + int err = 0; + + if (file == NULL || file_pos == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + + /* jump to the right spot */ + s->pos_in_central_dir = file_pos->pos_in_zip_directory; + s->num_file = file_pos->num_of_file; + + /* set the current file */ + err = unzlocal_GetCurrentFileInfoInternal(file, &s->cur_file_info, + &s->cur_file_info_internal, + NULL, 0, NULL, 0, NULL, 0); + /* return results */ + s->current_file_ok = (err == UNZ_OK); + return err; +} + +/* + * Unzip Helper Functions - should be here? + */ + +/* + * Read the local header of the current zipfile + * Check the coherency of the local header and info in the end of central + * directory about this file + * store in *piSizeVar the size of extra info in local header + * (filename and size of extra field data) + */ +local int +unzlocal_CheckCurrentFileCoherencyHeader( + unz_s *s, + uInt *piSizeVar, + uLong *poffset_local_extrafield, + uInt *psize_local_extrafield) +{ + uLong uMagic, + uData, + uFlags; + uLong size_filename; + uLong size_extra_field; + int err = UNZ_OK; + + *piSizeVar = 0; + *poffset_local_extrafield = 0; + *psize_local_extrafield = 0; + + if (ZSEEK + (s->z_filefunc, s->filestream, + s->cur_file_info_internal.offset_curfile + s->byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET) != 0) + return UNZ_ERRNO; + + if (err == UNZ_OK) + { + if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uMagic) != UNZ_OK) + err = UNZ_ERRNO; + else if (uMagic != 0x04034b50) + err = UNZ_BADZIPFILE; + } + + if (unzlocal_getShort(&s->z_filefunc, s->filestream, &uData) != UNZ_OK) + err = UNZ_ERRNO; + /* + * else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion)) + * err=UNZ_BADZIPFILE; + */ + if (unzlocal_getShort(&s->z_filefunc, s->filestream, &uFlags) != UNZ_OK) + err = UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream, &uData) != UNZ_OK) + err = UNZ_ERRNO; + else if ((err == UNZ_OK) && (uData != s->cur_file_info.compression_method)) + err = UNZ_BADZIPFILE; + + if ((err == UNZ_OK) && (s->cur_file_info.compression_method != 0) && + (s->cur_file_info.compression_method != Z_DEFLATED)) + err = UNZ_BADZIPFILE; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uData) != UNZ_OK) /* date/time */ + err = UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uData) != UNZ_OK) /* crc */ + err = UNZ_ERRNO; + else if ((err == UNZ_OK) && (uData != s->cur_file_info.crc) && + ((uFlags & 8) == 0)) + err = UNZ_BADZIPFILE; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uData) != UNZ_OK) /* size compr */ + err = UNZ_ERRNO; + else if ((err == UNZ_OK) && (uData != s->cur_file_info.compressed_size) && + ((uFlags & 8) == 0)) + err = UNZ_BADZIPFILE; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uData) != UNZ_OK) /* size uncompr */ + err = UNZ_ERRNO; + else if ((err == UNZ_OK) && (uData != s->cur_file_info.uncompressed_size) && + ((uFlags & 8) == 0)) + err = UNZ_BADZIPFILE; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream, &size_filename) != + UNZ_OK) + err = UNZ_ERRNO; + else if ((err == UNZ_OK) && + (size_filename != s->cur_file_info.size_filename)) + err = UNZ_BADZIPFILE; + + *piSizeVar += (uInt) size_filename; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream, &size_extra_field) != + UNZ_OK) + err = UNZ_ERRNO; + *poffset_local_extrafield = s->cur_file_info_internal.offset_curfile + + SIZEZIPLOCALHEADER + size_filename; + *psize_local_extrafield = (uInt) size_extra_field; + + *piSizeVar += (uInt) size_extra_field; + + return err; +} + +/* + * Open for reading data the current file in the zipfile. + * If there is no error and the file is opened, the return value is UNZ_OK. + */ +extern int ZEXPORT +unzOpenCurrentFile3( + unzFile file, + int *method, + int *level, + int raw, + const char *password) +{ + int err = UNZ_OK; + uInt iSizeVar; + unz_s *s; + file_in_zip_read_info_s *pfile_in_zip_read_info; + uLong offset_local_extrafield; /* offset of the local extra field */ + uInt size_local_extrafield; /* size of the local extra field */ +# ifndef NOUNCRYPT + char source[12]; +# else + if (password) + return UNZ_PARAMERROR; +# endif + + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + if (!s->current_file_ok) + return UNZ_PARAMERROR; + + if (s->pfile_in_zip_read) + unzCloseCurrentFile(file); + + if (unzlocal_CheckCurrentFileCoherencyHeader(s, &iSizeVar, + &offset_local_extrafield, + &size_local_extrafield) != + UNZ_OK) + return UNZ_BADZIPFILE; + + pfile_in_zip_read_info = (file_in_zip_read_info_s *) + ALLOC(sizeof(file_in_zip_read_info_s)); + if (pfile_in_zip_read_info == NULL) + return UNZ_INTERNALERROR; + + pfile_in_zip_read_info->read_buffer = (char *) ALLOC(UNZ_BUFSIZE); + pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield; + pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield; + pfile_in_zip_read_info->pos_local_extrafield = 0; + pfile_in_zip_read_info->raw = raw; + + if (pfile_in_zip_read_info->read_buffer == NULL) + { + TRYFREE(pfile_in_zip_read_info); + return UNZ_INTERNALERROR; + } + + pfile_in_zip_read_info->stream_initialised = 0; + + if (method) + *method = (int) s->cur_file_info.compression_method; + + if (level) + { + *level = 6; + switch (s->cur_file_info.flag & 0x06) + { + case 6: + *level = 1; + break; + case 4: + *level = 2; + break; + case 2: + *level = 9; + break; + } + } + + if ((s->cur_file_info.compression_method != 0) && + (s->cur_file_info.compression_method != Z_DEFLATED)) + err = UNZ_BADZIPFILE; + + pfile_in_zip_read_info->crc32_wait = s->cur_file_info.crc; + pfile_in_zip_read_info->crc32 = 0; + pfile_in_zip_read_info->compression_method = + s->cur_file_info.compression_method; + pfile_in_zip_read_info->filestream = s->filestream; + pfile_in_zip_read_info->z_filefunc = s->z_filefunc; + pfile_in_zip_read_info->byte_before_the_zipfile = + s->byte_before_the_zipfile; + + pfile_in_zip_read_info->stream.total_out = 0; + + if ((s->cur_file_info.compression_method == Z_DEFLATED) && (!raw)) + { + pfile_in_zip_read_info->stream.zalloc = (alloc_func) 0; + pfile_in_zip_read_info->stream.zfree = (free_func) 0; + pfile_in_zip_read_info->stream.opaque = (voidpf) 0; + pfile_in_zip_read_info->stream.next_in = (voidpf) 0; + pfile_in_zip_read_info->stream.avail_in = 0; + + err = inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); + if (err == Z_OK) + pfile_in_zip_read_info->stream_initialised = 1; + else + { + TRYFREE(pfile_in_zip_read_info); + return err; + } + /* windowBits is passed < 0 to tell that there is no zlib header. + * Note that in this case inflate *requires* an extra "dummy" byte + * after the compressed stream in order to complete decompression and + * return Z_STREAM_END. + * In unzip, i don't wait absolutely Z_STREAM_END because I known the + * size of both compressed and uncompressed data + */ + } + pfile_in_zip_read_info->rest_read_compressed = + s->cur_file_info.compressed_size; + pfile_in_zip_read_info->rest_read_uncompressed = + s->cur_file_info.uncompressed_size; + + pfile_in_zip_read_info->pos_in_zipfile = + s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + + iSizeVar; + + pfile_in_zip_read_info->stream.avail_in = (uInt) 0; + + s->pfile_in_zip_read = pfile_in_zip_read_info; + +# ifndef NOUNCRYPT + if (password) + { + int i = 0; + s->pcrc_32_tab = get_crc_table(); + init_keys(password, s->keys, s->pcrc_32_tab); + if (ZSEEK(s->z_filefunc, s->filestream, + s->pfile_in_zip_read->pos_in_zipfile + + s->pfile_in_zip_read->byte_before_the_zipfile, SEEK_SET) != 0) + return UNZ_INTERNALERROR; + if (ZREAD(s->z_filefunc, s->filestream, source, 12) < 12) + return UNZ_INTERNALERROR; + + for (i = 0; i < 12; i++) + zdecode(s->keys, s->pcrc_32_tab, source[i]); + + s->pfile_in_zip_read->pos_in_zipfile += 12; + s->encrypted = 1; + } +# endif + + return UNZ_OK; +} + +extern int ZEXPORT +unzOpenCurrentFile( + unzFile file) +{ + return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); +} + +extern int ZEXPORT +unzOpenCurrentFilePassword( + unzFile file, + const char *password) +{ + return unzOpenCurrentFile3(file, NULL, NULL, 0, password); +} + +extern int ZEXPORT +unzOpenCurrentFile2( + unzFile file, + int *method, + int *level, + int raw) +{ + return unzOpenCurrentFile3(file, method, level, raw, NULL); +} + +/* + * Read bytes from the current file. + * buf contain buffer where data must be copied + * len the size of buf. + * + * return the number of byte copied if somes bytes are copied + * return 0 if the end of file was reached + * return <0 with error code if there is an error + * (UNZ_ERRNO for IO error, or zLib error for uncompress error) + */ +extern int ZEXPORT +unzReadCurrentFile( + unzFile file, + voidp buf, + unsigned len) +{ + int err = UNZ_OK; + uInt iRead = 0; + unz_s *s; + file_in_zip_read_info_s *pfile_in_zip_read_info; + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + pfile_in_zip_read_info = s->pfile_in_zip_read; + + if (pfile_in_zip_read_info == NULL) + return UNZ_PARAMERROR; + + if ((pfile_in_zip_read_info->read_buffer == NULL)) + return UNZ_END_OF_LIST_OF_FILE; + if (len == 0) + return 0; + + pfile_in_zip_read_info->stream.next_out = (Bytef *) buf; + + pfile_in_zip_read_info->stream.avail_out = (uInt) len; + + if ((len > pfile_in_zip_read_info->rest_read_uncompressed) && + (!(pfile_in_zip_read_info->raw))) + pfile_in_zip_read_info->stream.avail_out = + (uInt) pfile_in_zip_read_info->rest_read_uncompressed; + + if ((len > pfile_in_zip_read_info->rest_read_compressed + + pfile_in_zip_read_info->stream.avail_in) && + (pfile_in_zip_read_info->raw)) + pfile_in_zip_read_info->stream.avail_out = + (uInt) pfile_in_zip_read_info->rest_read_compressed + + pfile_in_zip_read_info->stream.avail_in; + + while (pfile_in_zip_read_info->stream.avail_out > 0) + { + if ((pfile_in_zip_read_info->stream.avail_in == 0) && + (pfile_in_zip_read_info->rest_read_compressed > 0)) + { + uInt uReadThis = UNZ_BUFSIZE; + if (pfile_in_zip_read_info->rest_read_compressed < uReadThis) + uReadThis = (uInt) pfile_in_zip_read_info->rest_read_compressed; + if (uReadThis == 0) + return UNZ_EOF; + if (ZSEEK(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->pos_in_zipfile + + pfile_in_zip_read_info->byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET) != 0) + return UNZ_ERRNO; + if (ZREAD(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->read_buffer, + uReadThis) != uReadThis) + return UNZ_ERRNO; + +# ifndef NOUNCRYPT + if (s->encrypted) + { + uInt i; + for (i = 0; i < uReadThis; i++) + pfile_in_zip_read_info->read_buffer[i] = + (char)zdecode(s->keys, s->pcrc_32_tab, + pfile_in_zip_read_info->read_buffer[i]); + /* We are sure that the conversion is safe */ + } +# endif + + pfile_in_zip_read_info->pos_in_zipfile += uReadThis; + + pfile_in_zip_read_info->rest_read_compressed -= uReadThis; + + pfile_in_zip_read_info->stream.next_in = + (Bytef *) pfile_in_zip_read_info->read_buffer; + pfile_in_zip_read_info->stream.avail_in = (uInt) uReadThis; + } + + if ((pfile_in_zip_read_info->compression_method == 0) || + (pfile_in_zip_read_info->raw)) + { + uInt uDoCopy, + i; + + if ((pfile_in_zip_read_info->stream.avail_in == 0) && + (pfile_in_zip_read_info->rest_read_compressed == 0)) + return (iRead == 0) ? UNZ_EOF : iRead; + + if (pfile_in_zip_read_info->stream.avail_out < + pfile_in_zip_read_info->stream.avail_in) + uDoCopy = pfile_in_zip_read_info->stream.avail_out; + else + uDoCopy = pfile_in_zip_read_info->stream.avail_in; + + for (i = 0; i < uDoCopy; i++) + *(pfile_in_zip_read_info->stream.next_out + i) = + *(pfile_in_zip_read_info->stream.next_in + i); + + pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32, + pfile_in_zip_read_info-> + stream.next_out, uDoCopy); + pfile_in_zip_read_info->rest_read_uncompressed -= uDoCopy; + pfile_in_zip_read_info->stream.avail_in -= uDoCopy; + pfile_in_zip_read_info->stream.avail_out -= uDoCopy; + pfile_in_zip_read_info->stream.next_out += uDoCopy; + pfile_in_zip_read_info->stream.next_in += uDoCopy; + pfile_in_zip_read_info->stream.total_out += uDoCopy; + iRead += uDoCopy; + } + else + { + uLong uTotalOutBefore, + uTotalOutAfter; + const Bytef *bufBefore; + uLong uOutThis; + int flush = Z_SYNC_FLUSH; + + uTotalOutBefore = pfile_in_zip_read_info->stream.total_out; + bufBefore = pfile_in_zip_read_info->stream.next_out; + + /* + * if ((pfile_in_zip_read_info->rest_read_uncompressed == + * pfile_in_zip_read_info->stream.avail_out) && + * (pfile_in_zip_read_info->rest_read_compressed == 0)) + * flush = Z_FINISH; + */ + err = inflate(&pfile_in_zip_read_info->stream, flush); + + if ((err >= 0) && (pfile_in_zip_read_info->stream.msg)) + err = Z_DATA_ERROR; + + uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; + uOutThis = uTotalOutAfter - uTotalOutBefore; + + pfile_in_zip_read_info->crc32 = + crc32(pfile_in_zip_read_info->crc32, bufBefore, + (uInt) (uOutThis)); + + pfile_in_zip_read_info->rest_read_uncompressed -= uOutThis; + + iRead += (uInt) (uTotalOutAfter - uTotalOutBefore); + + if (err == Z_STREAM_END) + return (iRead == 0) ? UNZ_EOF : iRead; + if (err != Z_OK) + break; + } + } + + if (err == Z_OK) + return iRead; + return err; +} + +/* Give the current position in uncompressed data */ +extern z_off_t ZEXPORT +unztell( + unzFile file) +{ + unz_s *s; + file_in_zip_read_info_s *pfile_in_zip_read_info; + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + pfile_in_zip_read_info = s->pfile_in_zip_read; + + if (pfile_in_zip_read_info == NULL) + return UNZ_PARAMERROR; + + return (z_off_t) pfile_in_zip_read_info->stream.total_out; +} + +/* return 1 if the end of file was reached, 0 elsewhere */ +extern int ZEXPORT +unzeof( + unzFile file) +{ + unz_s *s; + file_in_zip_read_info_s *pfile_in_zip_read_info; + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + pfile_in_zip_read_info = s->pfile_in_zip_read; + + if (pfile_in_zip_read_info == NULL) + return UNZ_PARAMERROR; + + if (pfile_in_zip_read_info->rest_read_uncompressed == 0) + return 1; + else + return 0; +} + +/* + * Read extra field from the current file (opened by unzOpenCurrentFile) + * This is the local-header version of the extra field (sometimes, there is + * more info in the local-header version than in the central-header) + * + * if buf==NULL, it return the size of the local extra field that can be read + * + * if buf!=NULL, len is the size of the buffer, the extra header is copied in + * buf. + * the return value is the number of bytes copied in buf, or (if <0) + * the error code + */ +extern int ZEXPORT +unzGetLocalExtrafield( + unzFile file, + voidp buf, + unsigned len) +{ + unz_s *s; + file_in_zip_read_info_s *pfile_in_zip_read_info; + uInt read_now; + uLong size_to_read; + + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + pfile_in_zip_read_info = s->pfile_in_zip_read; + + if (pfile_in_zip_read_info == NULL) + return UNZ_PARAMERROR; + + size_to_read = (pfile_in_zip_read_info->size_local_extrafield - + pfile_in_zip_read_info->pos_local_extrafield); + + if (buf == NULL) + return (int) size_to_read; + + if (len > size_to_read) + read_now = (uInt) size_to_read; + else + read_now = (uInt) len; + + if (read_now == 0) + return 0; + + if (ZSEEK(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->offset_local_extrafield + + pfile_in_zip_read_info->pos_local_extrafield, + ZLIB_FILEFUNC_SEEK_SET) != 0) + return UNZ_ERRNO; + + if (ZREAD(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, buf, read_now) != read_now) + return UNZ_ERRNO; + + return (int) read_now; +} + +/* + * Close the file in zip opened with unzipOpenCurrentFile + * Return UNZ_CRCERROR if all the file was read but the CRC is not good + */ +extern int ZEXPORT +unzCloseCurrentFile( + unzFile file) +{ + int err = UNZ_OK; + + unz_s *s; + file_in_zip_read_info_s *pfile_in_zip_read_info; + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + pfile_in_zip_read_info = s->pfile_in_zip_read; + + if (pfile_in_zip_read_info == NULL) + return UNZ_PARAMERROR; + + if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) && + (!pfile_in_zip_read_info->raw)) + { + if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait) + err = UNZ_CRCERROR; + } + + TRYFREE(pfile_in_zip_read_info->read_buffer); + pfile_in_zip_read_info->read_buffer = NULL; + if (pfile_in_zip_read_info->stream_initialised) + inflateEnd(&pfile_in_zip_read_info->stream); + + pfile_in_zip_read_info->stream_initialised = 0; + TRYFREE(pfile_in_zip_read_info); + + s->pfile_in_zip_read = NULL; + + return err; +} + +/* + * Get the global comment string of the ZipFile, in the szComment buffer. + * uSizeBuf is the size of the szComment buffer. + * return the number of byte copied or an error code <0 + */ +extern int ZEXPORT +unzGetGlobalComment( + unzFile file, + char *szComment, + uLong uSizeBuf) +{ + unz_s *s; + uLong uReadThis; + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + + uReadThis = uSizeBuf; + if (uReadThis > s->gi.size_comment) + uReadThis = s->gi.size_comment; + + if (ZSEEK + (s->z_filefunc, s->filestream, s->central_pos + 22, + ZLIB_FILEFUNC_SEEK_SET) != 0) + return UNZ_ERRNO; + + if (uReadThis > 0) + { + *szComment = '\0'; + if (ZREAD(s->z_filefunc, s->filestream, szComment, uReadThis) != + uReadThis) + return UNZ_ERRNO; + } + + if ((szComment) && (uSizeBuf > s->gi.size_comment)) + *(szComment + s->gi.size_comment) = '\0'; + return (int) uReadThis; +} + +/* Additions by RX '2004 */ +extern uLong ZEXPORT +unzGetOffset( + unzFile file) +{ + unz_s *s; + + if (file == NULL) + return 0; + s = (unz_s *) file; + if (!s->current_file_ok) + return 0; + if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff) + if (s->num_file == s->gi.number_entry) + return 0; + return s->pos_in_central_dir; +} + +extern int ZEXPORT +unzSetOffset( + unzFile file, + uLong pos) +{ + unz_s *s; + int err; + + if (file == NULL) + return UNZ_PARAMERROR; + s = (unz_s *) file; + + s->pos_in_central_dir = pos; + s->num_file = s->gi.number_entry; /* hack */ + err = unzlocal_GetCurrentFileInfoInternal(file, &s->cur_file_info, + &s->cur_file_info_internal, + NULL, 0, NULL, 0, NULL, 0); + s->current_file_ok = (err == UNZ_OK); + return err; +} |