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/**
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* ZANavi, Zoff Android Navigation system.
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* Copyright (C) 2011-2012 Zoff <zoff@zoff.cc>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* Navit, a modular navigation system.
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* Copyright (C) 2005-2008 Navit Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <zlib.h>
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40 |
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#include <string.h>
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41 |
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#include <stdlib.h>
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42 |
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#include "maptool.h"
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43 |
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#include "zipfile.h"
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44 |
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45 |
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#ifdef HAVE_LIBCRYPTO
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46 |
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#include <openssl/sha.h>
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47 |
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#include <openssl/hmac.h>
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48 |
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#include <openssl/aes.h>
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49 |
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#include <openssl/evp.h>
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#include <openssl/rand.h>
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51 |
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#include <openssl/md5.h>
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52 |
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#endif
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53 |
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struct zip_info
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55 |
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{
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56 |
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int zipnum;
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57 |
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int dir_size;
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58 |
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long long offset;
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59 |
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int compression_level;
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60 |
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int maxnamelen;
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61 |
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int zip64;
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62 |
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short date;
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63 |
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short time;
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64 |
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char *passwd;
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65 |
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FILE *res2;
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66 |
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FILE *index;
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67 |
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FILE *dir;
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68 |
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#ifdef HAVE_LIBCRYPTO
|
69 |
|
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MD5_CTX md5_ctx;
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70 |
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#endif
|
71 |
|
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int md5;
|
72 |
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};
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73 |
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|
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static int zip_write(struct zip_info *info, void *data, int len)
|
75 |
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{
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76 |
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if (fwrite(data, len, 1, info->res2) != 1)
|
77 |
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return 0;
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78 |
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#ifdef HAVE_LIBCRYPTO
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79 |
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if (info->md5)
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80 |
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MD5_Update(&info->md5_ctx, data, len);
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#endif
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82 |
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return 1;
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83 |
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}
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84 |
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85 |
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#ifdef HAVE_ZLIB
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86 |
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static int
|
87 |
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compress2_int(Byte *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level)
|
88 |
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{
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89 |
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z_stream stream;
|
90 |
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int err;
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91 |
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|
92 |
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stream.next_in = (Bytef*)source;
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93 |
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stream.avail_in = (uInt)sourceLen;
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94 |
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stream.next_out = dest;
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95 |
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stream.avail_out = (uInt)*destLen;
|
96 |
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if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
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97 |
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|
98 |
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stream.zalloc = (alloc_func)0;
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99 |
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stream.zfree = (free_func)0;
|
100 |
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stream.opaque = (voidpf)0;
|
101 |
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|
102 |
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err = deflateInit2(&stream, level, Z_DEFLATED, -15, 9, Z_DEFAULT_STRATEGY);
|
103 |
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if (err != Z_OK) return err;
|
104 |
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|
105 |
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err = deflate(&stream, Z_FINISH);
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106 |
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if (err != Z_STREAM_END)
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107 |
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{
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108 |
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deflateEnd(&stream);
|
109 |
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return err == Z_OK ? Z_BUF_ERROR : err;
|
110 |
|
|
}
|
111 |
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|
*destLen = stream.total_out;
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112 |
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|
113 |
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err = deflateEnd(&stream);
|
114 |
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return err;
|
115 |
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|
}
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116 |
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#endif
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117 |
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118 |
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void write_zipmember(struct zip_info *zip_info, char *name, int filelen, char *data, int data_size)
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119 |
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{
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120 |
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struct zip_lfh lfh =
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121 |
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{ 0x04034b50, 0x0a, 0x0, 0x0, zip_info->time, zip_info->date, 0x0, 0x0, 0x0, filelen, 0x0, };
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122 |
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struct zip_cd cd =
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123 |
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{ 0x02014b50, 0x17, 0x00, 0x0a, 0x00, 0x0000, 0x0, zip_info->time, zip_info->date, 0x0, 0x0, 0x0, filelen, 0x0000, 0x0000, 0x0000, 0x0000, 0x0, zip_info->offset, };
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124 |
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struct zip_cd_ext cd_ext =
|
125 |
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{ 0x1, 0x8, zip_info->offset, };
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126 |
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#ifdef HAVE_LIBCRYPTO
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127 |
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struct zip_enc enc =
|
128 |
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{
|
129 |
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0x9901,
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130 |
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0x7,
|
131 |
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0x2,
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132 |
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'A','E',
|
133 |
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0x1,
|
134 |
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0x0,
|
135 |
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};
|
136 |
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unsigned char salt[8], key[34], verify[2], mac[10];
|
137 |
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|
#endif
|
138 |
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char filename[filelen + 1];
|
139 |
|
|
int error, crc = 0, len, comp_size = data_size;
|
140 |
|
|
uLongf destlen = data_size + data_size / 500 + 12;
|
141 |
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char *compbuffer;
|
142 |
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|
|
143 |
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|
compbuffer = malloc(destlen);
|
144 |
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37 |
if (!compbuffer)
|
145 |
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|
{
|
146 |
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|
fprintf(stderr, "No more memory.\n");
|
147 |
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|
exit(1);
|
148 |
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}
|
149 |
|
|
#ifdef HAVE_LIBCRYPTO
|
150 |
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if (zip_info->passwd)
|
151 |
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|
{
|
152 |
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RAND_bytes(salt, sizeof(salt));
|
153 |
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PKCS5_PBKDF2_HMAC_SHA1(zip_info->passwd, strlen(zip_info->passwd), salt, sizeof(salt), 1000, sizeof(key), key);
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154 |
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verify[0]=key[32];
|
155 |
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verify[1]=key[33];
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156 |
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}
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157 |
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|
else
|
158 |
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{
|
159 |
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8 |
#endif
|
160 |
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37 |
crc = crc32(0, NULL, 0);
|
161 |
|
|
crc = crc32(crc, (unsigned char *) data, data_size);
|
162 |
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#ifdef HAVE_LIBCRYPTO
|
163 |
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37 |
}
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164 |
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#endif
|
165 |
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lfh.zipmthd = zip_info->compression_level ? 8 : 0;
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166 |
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#ifdef HAVE_ZLIB
|
167 |
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37 |
if (zip_info->compression_level)
|
168 |
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|
{
|
169 |
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error=compress2_int((Byte *)compbuffer, &destlen, (Bytef *)data, data_size, zip_info->compression_level);
|
170 |
zoff99 |
37 |
if (error == Z_OK)
|
171 |
|
|
{
|
172 |
|
|
if (destlen < data_size)
|
173 |
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|
{
|
174 |
zoff99 |
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data=compbuffer;
|
175 |
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|
comp_size=destlen;
|
176 |
zoff99 |
37 |
}
|
177 |
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|
else
|
178 |
|
|
lfh.zipmthd=0;
|
179 |
|
|
}
|
180 |
|
|
else
|
181 |
|
|
{
|
182 |
zoff99 |
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fprintf(stderr,"compress2 returned %d\n", error);
|
183 |
|
|
}
|
184 |
|
|
}
|
185 |
|
|
#endif
|
186 |
zoff99 |
37 |
lfh.zipcrc = crc;
|
187 |
|
|
lfh.zipsize = comp_size;
|
188 |
|
|
lfh.zipuncmp = data_size;
|
189 |
zoff99 |
8 |
#ifdef HAVE_LIBCRYPTO
|
190 |
zoff99 |
37 |
if (zip_info->passwd)
|
191 |
|
|
{
|
192 |
zoff99 |
8 |
enc.compress_method=lfh.zipmthd;
|
193 |
|
|
lfh.zipmthd=99;
|
194 |
|
|
lfh.zipxtraln+=sizeof(enc);
|
195 |
|
|
lfh.zipgenfld|=1;
|
196 |
|
|
lfh.zipsize+=sizeof(salt)+sizeof(verify)+sizeof(mac);
|
197 |
|
|
}
|
198 |
|
|
#endif
|
199 |
zoff99 |
37 |
cd.zipccrc = crc;
|
200 |
|
|
cd.zipcsiz = lfh.zipsize;
|
201 |
|
|
cd.zipcunc = data_size;
|
202 |
|
|
cd.zipcmthd = lfh.zipmthd;
|
203 |
|
|
if (zip_info->zip64)
|
204 |
|
|
{
|
205 |
|
|
cd.zipofst = 0xffffffff;
|
206 |
|
|
cd.zipcxtl += sizeof(cd_ext);
|
207 |
zoff99 |
8 |
}
|
208 |
|
|
#ifdef HAVE_LIBCRYPTO
|
209 |
zoff99 |
37 |
if (zip_info->passwd)
|
210 |
|
|
{
|
211 |
zoff99 |
8 |
cd.zipcmthd=99;
|
212 |
|
|
cd.zipcxtl+=sizeof(enc);
|
213 |
|
|
cd.zipcflg|=1;
|
214 |
|
|
}
|
215 |
|
|
#endif
|
216 |
|
|
strcpy(filename, name);
|
217 |
zoff99 |
37 |
len = strlen(filename);
|
218 |
|
|
while (len < filelen)
|
219 |
|
|
{
|
220 |
|
|
filename[len++] = '_';
|
221 |
zoff99 |
8 |
}
|
222 |
zoff99 |
37 |
filename[filelen] = '\0';
|
223 |
zoff99 |
8 |
zip_write(zip_info, &lfh, sizeof(lfh));
|
224 |
|
|
zip_write(zip_info, filename, filelen);
|
225 |
zoff99 |
37 |
zip_info->offset += sizeof(lfh) + filelen;
|
226 |
zoff99 |
8 |
#ifdef HAVE_LIBCRYPTO
|
227 |
zoff99 |
37 |
if (zip_info->passwd)
|
228 |
|
|
{
|
229 |
zoff99 |
8 |
unsigned char counter[16], xor[16], *datap=(unsigned char *)data;
|
230 |
|
|
int size=comp_size;
|
231 |
|
|
AES_KEY aeskey;
|
232 |
|
|
zip_write(zip_info, &enc, sizeof(enc));
|
233 |
|
|
zip_write(zip_info, salt, sizeof(salt));
|
234 |
|
|
zip_write(zip_info, verify, sizeof(verify));
|
235 |
|
|
zip_info->offset+=sizeof(enc)+sizeof(salt)+sizeof(verify);
|
236 |
|
|
AES_set_encrypt_key(key, 128, &aeskey);
|
237 |
|
|
memset(counter, 0, sizeof(counter));
|
238 |
zoff99 |
37 |
while (size > 0)
|
239 |
|
|
{
|
240 |
zoff99 |
8 |
int i,curr_size,idx=0;
|
241 |
zoff99 |
37 |
do
|
242 |
|
|
{
|
243 |
zoff99 |
8 |
counter[idx]++;
|
244 |
zoff99 |
37 |
}while (!counter[idx++]);
|
245 |
zoff99 |
8 |
AES_encrypt(counter, xor, &aeskey);
|
246 |
|
|
curr_size=size;
|
247 |
|
|
if (curr_size > sizeof(xor))
|
248 |
zoff99 |
37 |
curr_size=sizeof(xor);
|
249 |
|
|
for (i = 0; i < curr_size; i++)
|
250 |
|
|
*datap++^=xor[i];
|
251 |
zoff99 |
8 |
size-=curr_size;
|
252 |
|
|
}
|
253 |
|
|
}
|
254 |
|
|
#endif
|
255 |
|
|
zip_write(zip_info, data, comp_size);
|
256 |
zoff99 |
37 |
zip_info->offset += comp_size;
|
257 |
zoff99 |
8 |
#ifdef HAVE_LIBCRYPTO
|
258 |
zoff99 |
37 |
if (zip_info->passwd)
|
259 |
|
|
{
|
260 |
zoff99 |
8 |
unsigned int maclen=sizeof(mac);
|
261 |
|
|
unsigned char mactmp[maclen*2];
|
262 |
|
|
HMAC(EVP_sha1(), key+16, 16, (unsigned char *)data, comp_size, mactmp, &maclen);
|
263 |
|
|
zip_write(zip_info, mactmp, sizeof(mac));
|
264 |
|
|
zip_info->offset+=sizeof(mac);
|
265 |
|
|
}
|
266 |
|
|
#endif
|
267 |
|
|
fwrite(&cd, sizeof(cd), 1, zip_info->dir);
|
268 |
|
|
fwrite(filename, filelen, 1, zip_info->dir);
|
269 |
zoff99 |
37 |
zip_info->dir_size += sizeof(cd) + filelen;
|
270 |
|
|
if (zip_info->zip64)
|
271 |
|
|
{
|
272 |
zoff99 |
8 |
fwrite(&cd_ext, sizeof(cd_ext), 1, zip_info->dir);
|
273 |
zoff99 |
37 |
zip_info->dir_size += sizeof(cd_ext);
|
274 |
zoff99 |
8 |
}
|
275 |
|
|
#ifdef HAVE_LIBCRYPTO
|
276 |
zoff99 |
37 |
if (zip_info->passwd)
|
277 |
|
|
{
|
278 |
zoff99 |
8 |
fwrite(&enc, sizeof(enc), 1, zip_info->dir);
|
279 |
|
|
zip_info->dir_size+=sizeof(enc);
|
280 |
|
|
}
|
281 |
|
|
#endif
|
282 |
zoff99 |
37 |
|
283 |
zoff99 |
8 |
free(compbuffer);
|
284 |
|
|
}
|
285 |
|
|
|
286 |
zoff99 |
37 |
void zip_write_index(struct zip_info *info)
|
287 |
zoff99 |
8 |
{
|
288 |
zoff99 |
37 |
int size = ftell(info->index);
|
289 |
|
|
char *buffer99 = NULL;
|
290 |
|
|
buffer99 = malloc(size);
|
291 |
zoff99 |
8 |
fseek(info->index, 0, SEEK_SET);
|
292 |
zoff99 |
37 |
fread(buffer99, size, 1, info->index);
|
293 |
|
|
write_zipmember(info, "index", strlen("index"), buffer99, size);
|
294 |
zoff99 |
8 |
info->zipnum++;
|
295 |
zoff99 |
37 |
free(buffer99);
|
296 |
zoff99 |
8 |
}
|
297 |
|
|
|
298 |
zoff99 |
37 |
static void zip_write_file_data(struct zip_info *info, FILE *in)
|
299 |
zoff99 |
8 |
{
|
300 |
|
|
size_t size;
|
301 |
|
|
char buffer[4096];
|
302 |
zoff99 |
37 |
while ((size = fread(buffer, 1, 4096, in)))
|
303 |
|
|
{
|
304 |
zoff99 |
8 |
zip_write(info, buffer, size);
|
305 |
zoff99 |
37 |
}
|
306 |
zoff99 |
8 |
}
|
307 |
|
|
|
308 |
zoff99 |
37 |
int zip_write_directory(struct zip_info *info)
|
309 |
zoff99 |
8 |
{
|
310 |
zoff99 |
37 |
struct zip_eoc eoc =
|
311 |
|
|
{ 0x06054b50, 0x0000, 0x0000, 0x0000, 0x0000, 0x0, 0x0, 0x0, };
|
312 |
|
|
struct zip64_eoc eoc64 =
|
313 |
|
|
{ 0x06064b50, 0x0, 0x0, 0x0403, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, };
|
314 |
|
|
struct zip64_eocl eocl =
|
315 |
|
|
{ 0x07064b50, 0x0, 0x0, 0x0, };
|
316 |
zoff99 |
8 |
|
317 |
|
|
fseek(info->dir, 0, SEEK_SET);
|
318 |
|
|
zip_write_file_data(info, info->dir);
|
319 |
zoff99 |
37 |
if (info->zip64)
|
320 |
|
|
{
|
321 |
|
|
eoc64.zip64esize = sizeof(eoc64) - 12;
|
322 |
|
|
eoc64.zip64enum = info->zipnum;
|
323 |
|
|
eoc64.zip64ecenn = info->zipnum;
|
324 |
|
|
eoc64.zip64ecsz = info->dir_size;
|
325 |
|
|
eoc64.zip64eofst = info->offset;
|
326 |
zoff99 |
8 |
zip_write(info, &eoc64, sizeof(eoc64));
|
327 |
zoff99 |
37 |
eocl.zip64lofst = info->offset + info->dir_size;
|
328 |
zoff99 |
8 |
zip_write(info, &eocl, sizeof(eocl));
|
329 |
|
|
}
|
330 |
zoff99 |
37 |
eoc.zipenum = info->zipnum;
|
331 |
|
|
eoc.zipecenn = info->zipnum;
|
332 |
|
|
eoc.zipecsz = info->dir_size;
|
333 |
|
|
eoc.zipeofst = info->offset;
|
334 |
zoff99 |
8 |
zip_write(info, &eoc, sizeof(eoc));
|
335 |
zoff99 |
37 |
//sig_alrm(0);
|
336 |
zoff99 |
8 |
#ifndef _WIN32
|
337 |
zoff99 |
37 |
//alarm(0);
|
338 |
zoff99 |
8 |
#endif
|
339 |
|
|
return 0;
|
340 |
|
|
}
|
341 |
|
|
|
342 |
|
|
struct zip_info *
|
343 |
|
|
zip_new(void)
|
344 |
|
|
{
|
345 |
zoff99 |
37 |
return g_new0(struct zip_info, 1);
|
346 |
zoff99 |
8 |
}
|
347 |
|
|
|
348 |
zoff99 |
37 |
void zip_set_md5(struct zip_info *info, int on)
|
349 |
zoff99 |
8 |
{
|
350 |
|
|
#ifdef HAVE_LIBCRYPTO
|
351 |
|
|
info->md5=on;
|
352 |
zoff99 |
37 |
if (on)
|
353 |
|
|
MD5_Init(&info->md5_ctx);
|
354 |
zoff99 |
8 |
#endif
|
355 |
|
|
}
|
356 |
|
|
|
357 |
zoff99 |
37 |
int zip_get_md5(struct zip_info *info, unsigned char *out)
|
358 |
zoff99 |
8 |
{
|
359 |
|
|
if (!info->md5)
|
360 |
|
|
return 0;
|
361 |
|
|
#ifdef HAVE_LIBCRYPTO
|
362 |
|
|
MD5_Final(out, &info->md5_ctx);
|
363 |
|
|
return 1;
|
364 |
|
|
#endif
|
365 |
|
|
return 0;
|
366 |
|
|
}
|
367 |
|
|
|
368 |
zoff99 |
37 |
void zip_set_zip64(struct zip_info *info, int on)
|
369 |
zoff99 |
8 |
{
|
370 |
zoff99 |
37 |
info->zip64 = on;
|
371 |
zoff99 |
8 |
}
|
372 |
|
|
|
373 |
zoff99 |
37 |
void zip_set_compression_level(struct zip_info *info, int level)
|
374 |
zoff99 |
8 |
{
|
375 |
zoff99 |
37 |
info->compression_level = level;
|
376 |
zoff99 |
8 |
}
|
377 |
|
|
|
378 |
zoff99 |
37 |
void zip_set_maxnamelen(struct zip_info *info, int max)
|
379 |
zoff99 |
8 |
{
|
380 |
zoff99 |
37 |
info->maxnamelen = max;
|
381 |
zoff99 |
8 |
}
|
382 |
|
|
|
383 |
zoff99 |
37 |
int zip_get_maxnamelen(struct zip_info *info)
|
384 |
zoff99 |
8 |
{
|
385 |
|
|
return info->maxnamelen;
|
386 |
|
|
}
|
387 |
|
|
|
388 |
zoff99 |
37 |
int zip_add_member(struct zip_info *info)
|
389 |
zoff99 |
8 |
{
|
390 |
|
|
return info->zipnum++;
|
391 |
|
|
}
|
392 |
|
|
|
393 |
zoff99 |
37 |
int zip_set_timestamp(struct zip_info *info, char *timestamp)
|
394 |
zoff99 |
8 |
{
|
395 |
zoff99 |
37 |
int year, month, day, hour, min, sec;
|
396 |
zoff99 |
8 |
|
397 |
zoff99 |
37 |
if (sscanf(timestamp, "%d-%d-%dT%d:%d:%d", &year, &month, &day, &hour, &min, &sec) == 6)
|
398 |
|
|
{
|
399 |
|
|
info->date = day | (month << 5) | ((year - 1980) << 9);
|
400 |
|
|
info->time = (sec >> 1) | (min << 5) | (hour << 11);
|
401 |
zoff99 |
8 |
return 1;
|
402 |
|
|
}
|
403 |
|
|
return 0;
|
404 |
|
|
}
|
405 |
|
|
|
406 |
zoff99 |
37 |
int zip_set_password(struct zip_info *info, char *passwd)
|
407 |
zoff99 |
8 |
{
|
408 |
zoff99 |
37 |
info->passwd = passwd;
|
409 |
zoff99 |
8 |
return 1;
|
410 |
|
|
}
|
411 |
|
|
|
412 |
zoff99 |
37 |
void zip_open(struct zip_info *info, char *out, char *dir, char *index)
|
413 |
zoff99 |
8 |
{
|
414 |
zoff99 |
37 |
info->res2 = fopen(out, "wb+");
|
415 |
|
|
info->dir = fopen(dir, "wb+");
|
416 |
|
|
info->index = fopen(index, "wb+");
|
417 |
zoff99 |
8 |
}
|
418 |
|
|
|
419 |
|
|
FILE *
|
420 |
|
|
zip_get_index(struct zip_info *info)
|
421 |
|
|
{
|
422 |
|
|
return info->index;
|
423 |
|
|
}
|
424 |
|
|
|
425 |
zoff99 |
37 |
int zip_get_zipnum(struct zip_info *info)
|
426 |
zoff99 |
8 |
{
|
427 |
|
|
return info->zipnum;
|
428 |
|
|
}
|
429 |
|
|
|
430 |
zoff99 |
37 |
void zip_set_zipnum(struct zip_info *info, int num)
|
431 |
zoff99 |
8 |
{
|
432 |
zoff99 |
37 |
info->zipnum = num;
|
433 |
zoff99 |
8 |
}
|
434 |
|
|
|
435 |
zoff99 |
37 |
void zip_close(struct zip_info *info)
|
436 |
zoff99 |
8 |
{
|
437 |
|
|
fclose(info->index);
|
438 |
|
|
fclose(info->dir);
|
439 |
|
|
fclose(info->res2);
|
440 |
|
|
}
|
441 |
|
|
|
442 |
zoff99 |
37 |
void zip_destroy(struct zip_info *info)
|
443 |
zoff99 |
8 |
{
|
444 |
|
|
g_free(info);
|
445 |
|
|
}
|