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Rev | Author | Line No. | Line |
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6725 | siemargl | 1 | /* |
2 | Copyright (c) 1990-2009 Info-ZIP. All rights reserved. |
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3 | |||
4 | See the accompanying file LICENSE, version 2009-Jan-02 or later |
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5 | (the contents of which are also included in unzip.h) for terms of use. |
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6 | If, for some reason, all these files are missing, the Info-ZIP license |
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7 | also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html |
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8 | */ |
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9 | /* Windows Info-ZIP Unzip DLL module |
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10 | * |
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11 | * Author: Mike White |
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12 | * |
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13 | * Original: 1996 |
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14 | * |
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15 | * This module has the entry points for "unzipping" a zip file. |
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16 | */ |
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17 | |||
18 | /*--------------------------------------------------------------------------- |
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19 | |||
20 | This file is the WINDLL replacement for the generic ``main program source |
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21 | file'' unzip.c. |
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22 | |||
23 | See the general comments in the header part of unzip.c. |
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24 | |||
25 | Copyrights: see accompanying file "COPYING" in UnZip source distribution. |
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26 | (This software is free but NOT IN THE PUBLIC DOMAIN. There |
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27 | are some restrictions on commercial use.) |
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28 | |||
29 | ---------------------------------------------------------------------------*/ |
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30 | |||
31 | #define __WINDLL_C /* identifies this source module */ |
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32 | |||
33 | #define WIN32_LEAN_AND_MEAN |
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34 | #define UNZIP_INTERNAL |
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35 | #include "../unzip.h" |
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36 | #include "../crypt.h" |
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37 | #include "../unzvers.h" |
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38 | #include "../windll/windll.h" |
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39 | #include "../windll/structs.h" |
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40 | #include "../consts.h" |
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41 | #include |
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42 | |||
43 | /* Added type casts to prevent potential "type mismatch" error messages. */ |
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44 | #ifdef REENTRANT |
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45 | # undef __G |
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46 | # undef __G__ |
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47 | # define __G (Uz_Globs *)pG |
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48 | # define __G__ (Uz_Globs *)pG, |
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49 | #endif |
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50 | |||
51 | HANDLE hwildZipFN; |
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52 | HANDLE hInst; /* current instance */ |
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53 | HANDLE hDCL; |
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54 | int fNoPrinting = 0; |
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55 | extern jmp_buf dll_error_return; |
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56 | |||
57 | /* Helper function to release memory allocated by Wiz_SetOpts() */ |
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58 | static void FreeDllMem(__GPRO); |
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59 | |||
60 | /* For displaying status messages and error messages */ |
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61 | static int UZ_EXP DllMessagePrint(zvoid *pG, uch *buf, ulg size, int flag); |
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62 | |||
63 | #if 0 /* currently unused */ |
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64 | /* For displaying files extracted to the display window */ |
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65 | int DllDisplayPrint(zvoid *pG, uch *buf, ulg size, int flag); |
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66 | #endif /* never */ |
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67 | |||
68 | /* Callback function for status report and/or user interception */ |
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69 | static int UZ_EXP Wiz_StatReportCB(zvoid *pG, int fnflag, ZCONST char *zfn, |
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70 | ZCONST char *efn, ZCONST zvoid *details); |
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71 | |||
72 | /* Dummy sound function for those applications that don't use sound */ |
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73 | static void WINAPI DummySound(void); |
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74 | |||
75 | static int UnzipAllocMemory(unsigned, char *, char *, char ***, unsigned *); |
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76 | static int UnzipParseString(LPCSTR, unsigned *, char ***); |
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77 | static void UnzipFreeArguments(unsigned, char ***); |
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78 | |||
79 | #ifndef UNZIPLIB |
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80 | /* DLL Entry Point */ |
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81 | |||
82 | #ifdef __BORLANDC__ |
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83 | #pragma argsused |
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84 | /* Borland seems to want DllEntryPoint instead of DllMain like MSVC */ |
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85 | #define DllMain DllEntryPoint |
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86 | #endif |
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87 | #ifdef WIN32 |
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88 | BOOL WINAPI DllMain( HINSTANCE hInstance, |
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89 | DWORD dwReason, |
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90 | LPVOID plvReserved) |
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91 | #else |
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92 | int FAR PASCAL LibMain( HINSTANCE hInstance, |
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93 | WORD wDataSegment, |
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94 | WORD wHeapSize, |
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95 | LPSTR lpszCmdLine ) |
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96 | #endif |
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97 | { |
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98 | #ifndef WIN32 |
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99 | /* The startup code for the DLL initializes the local heap(if there is one) |
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100 | * with a call to LocalInit which locks the data segment. |
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101 | */ |
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102 | |||
103 | if ( wHeapSize != 0 ) |
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104 | { |
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105 | UnlockData( 0 ); |
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106 | } |
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107 | hInst = hInstance; |
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108 | return 1; /* Indicate that the DLL was initialized successfully. */ |
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109 | #else |
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110 | BOOL rc = TRUE; |
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111 | switch( dwReason ) |
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112 | { |
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113 | case DLL_PROCESS_ATTACH: |
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114 | // DLL is loaded. Do your initialization here. |
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115 | // If cannot init, set rc to FALSE. |
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116 | hInst = hInstance; |
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117 | break; |
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118 | |||
119 | case DLL_PROCESS_DETACH: |
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120 | // DLL is unloaded. Do your cleanup here. |
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121 | break; |
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122 | default: |
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123 | break; |
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124 | } |
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125 | return rc; |
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126 | #endif |
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127 | } |
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128 | |||
129 | #ifdef __BORLANDC__ |
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130 | #pragma argsused |
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131 | #endif |
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132 | int FAR PASCAL WEP ( int bSystemExit ) |
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133 | { |
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134 | return 1; |
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135 | } |
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136 | #endif /* !UNZIPLIB */ |
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137 | |||
138 | static int UnzipAllocMemory(unsigned int i, char *cmd, char *str, |
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139 | char ***pargVee, unsigned int *pargCee) |
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140 | { |
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141 | if (((*pargVee)[i] = (char *)malloc(sizeof(char) * strlen(cmd)+1 )) |
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142 | == NULL) |
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143 | { |
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144 | if (pargCee != NULL) |
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145 | (*pargCee)++; |
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146 | UnzipFreeArguments(*pargCee, pargVee); |
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147 | fprintf(stdout, "Unable to allocate memory in unzip library at %s\n", |
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148 | str); |
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149 | return PK_MEM; |
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150 | } |
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151 | strcpy((*pargVee)[i], cmd); |
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152 | (*pargCee)++; |
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153 | return PK_OK; |
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154 | } |
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155 | |||
156 | static void UnzipFreeArguments(unsigned int argCee, char ***pargVee) |
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157 | { |
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158 | unsigned i; |
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159 | |||
160 | /* Free the arguments in the arrays */ |
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161 | for (i = 0; i < argCee; i++) |
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162 | { |
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163 | free ((*pargVee)[i]); |
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164 | (*pargVee)[i] = NULL; |
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165 | } |
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166 | |||
167 | /* Then free the arrays themselves */ |
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168 | free(*pargVee); |
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169 | } |
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170 | |||
171 | |||
172 | static int UnzipParseString(LPCSTR s, unsigned int *pargCee, char ***pargVee) |
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173 | { |
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174 | unsigned int i = 0; |
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175 | char *str1, *str2, *str3; |
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176 | size_t size; |
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177 | |||
178 | str1 = (char *) malloc(lstrlen(s)+4); |
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179 | lstrcpy(str1, s); |
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180 | lstrcat(str1, " @"); |
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181 | |||
182 | str2 = strchr(str1, '\"'); // get first occurance of double quote |
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183 | |||
184 | while ((str3 = strchr(str1, '\t')) != NULL) |
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185 | { |
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186 | str3[0] = ' '; // Change tabs into a single space |
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187 | } |
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188 | |||
189 | /* Note that if a quoted string contains multiple adjacent spaces, they |
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190 | will not be removed, because they could well point to a valid |
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191 | folder/file name. |
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192 | */ |
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193 | while ((str2 = strchr(str1, '\"')) != NULL) |
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194 | { |
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195 | // Found an opening double quote; get the corresponding closing quote |
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196 | str3 = strchr(str2+1, '\"'); |
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197 | if (str3 == NULL) |
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198 | { |
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199 | free(str1); |
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200 | return PK_PARAM; /* Something is screwy with the |
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201 | string, bail out */ |
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202 | } |
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203 | str3[0] = '\0'; // terminate str2 with a NULL |
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204 | |||
205 | size = _msize(*pargVee); |
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206 | if ((*pargVee = (char **)realloc(*pargVee, size + sizeof(char *))) |
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207 | == NULL) |
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208 | { |
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209 | fprintf(stdout, "Unable to allocate memory in unzip dll\n"); |
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210 | return PK_MEM; |
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211 | } |
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212 | // argCee is incremented in UnzipAllocMemory |
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213 | if (UnzipAllocMemory(i, str2+1, "Creating file list from string", |
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214 | pargVee, pargCee) != PK_OK) |
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215 | { |
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216 | free(str1); |
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217 | return PK_MEM; |
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218 | } |
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219 | i++; |
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220 | str3+=2; // Point past the whitespace character |
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221 | str2[0] = '\0'; // Terminate str1 |
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222 | lstrcat(str1, str3); |
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223 | } // end while |
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224 | |||
225 | /* points to first occurance of a space */ |
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226 | str2 = strchr(str1, ' '); |
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227 | |||
228 | /* Go through the string character by character, looking for instances |
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229 | of two spaces together. Terminate when you find the trailing @ |
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230 | */ |
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231 | while ((str2[0] != '\0') && (str2[0] != '@')) |
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232 | { |
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233 | while ((str2[0] == ' ') && (str2[1] == ' ')) |
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234 | { |
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235 | str3 = &str2[1]; |
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236 | str2[0] = '\0'; |
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237 | lstrcat(str1, str3); |
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238 | } |
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239 | str2++; |
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240 | } |
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241 | |||
242 | /* Do we still have a leading space? */ |
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243 | if (str1[0] == ' ') |
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244 | { |
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245 | str3 = &str1[1]; |
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246 | lstrcpy(str1, str3); // Dump the leading space |
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247 | } |
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248 | |||
249 | |||
250 | /* Okay, now we have gotten rid of any tabs and replaced them with |
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251 | spaces, and have replaced multiple spaces with a single space. We |
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252 | couldn't do this before because the folder names could have actually |
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253 | contained these characters. |
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254 | */ |
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255 | |||
256 | str2 = str3 = str1; |
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257 | |||
258 | while ((str2[0] != '\0') && (str3[0] != '@')) |
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259 | { |
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260 | str3 = strchr(str2+1, ' '); |
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261 | str3[0] = '\0'; |
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262 | size = _msize(pargVee); |
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263 | if ((*pargVee = (char **)realloc(*pargVee, size + sizeof(char *))) |
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264 | == NULL) |
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265 | { |
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266 | fprintf(stdout, "Unable to allocate memory in unzip dll\n"); |
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267 | return PK_MEM; |
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268 | } |
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269 | if (UnzipAllocMemory(i, str2, "Creating file list from string", |
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270 | pargVee, pargCee) != PK_OK) |
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271 | { |
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272 | free(str1); |
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273 | return PK_MEM; |
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274 | } |
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275 | i++; |
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276 | str3++; |
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277 | str2 = str3; |
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278 | } |
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279 | free(str1); |
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280 | return PK_OK; |
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281 | } |
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282 | |||
283 | /* DLL calls */ |
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284 | |||
285 | BOOL WINAPI Wiz_Init(pG, lpUserFunc) |
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286 | zvoid *pG; |
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287 | LPUSERFUNCTIONS lpUserFunc; |
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288 | { |
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289 | G.message = DllMessagePrint; |
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290 | G.statreportcb = Wiz_StatReportCB; |
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291 | if (lpUserFunc->sound == NULL) |
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292 | lpUserFunc->sound = DummySound; |
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293 | G.lpUserFunctions = lpUserFunc; |
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294 | |||
295 | SETLOCALE(LC_CTYPE, ""); |
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296 | |||
297 | if (!G.lpUserFunctions->print || |
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298 | !G.lpUserFunctions->sound || |
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299 | !G.lpUserFunctions->replace) |
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300 | return FALSE; |
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301 | |||
302 | return TRUE; |
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303 | } |
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304 | |||
305 | /* |
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306 | StructVersID = version of this structure (= UZ_DCL_STRUCTVER) |
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307 | ExtractOnlyNewer = TRUE for "update" without interaction |
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308 | (extract only newer/new files, without queries) |
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309 | SpaceToUnderscore = TRUE if convert space to underscore |
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310 | PromptToOverwrite = TRUE if prompt to overwrite is wanted |
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311 | fQuiet = quiet flag: |
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312 | |||
313 | ncflag = write to stdout if TRUE |
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314 | ntflag = test zip file |
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315 | nvflag = verbose listing |
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316 | nfflag = "freshen" (replace existing files by newer versions) |
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317 | nzflag = display zip file comment |
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318 | ndflag = controls (sub)directory recreation during extraction |
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319 | |||
320 | 1 = "safe" usage of paths in filenames (skip "../") |
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321 | 2 = allow also unsafe path components (dir traversal) |
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322 | noflag = always overwriting existing files if TRUE |
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323 | naflag = do end-of-line translation |
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324 | nZIflag = get ZipInfo if TRUE |
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325 | B_flag = backup existing files if TRUE |
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326 | C_flag = be case insensitive if TRUE |
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327 | D_flag = controls restoration of timestamps |
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328 | |||
329 | 1 = skip restoration of timestamps for folders |
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330 | created on behalf of directory entries in the |
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331 | Zip archive |
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332 | 2 = do not restore any timestamps; extracted files |
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333 | and directories get stamped with the current time |
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334 | U_flag = controls UTF-8 filename coding support |
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335 | |||
336 | 1 = recognize UTF-8 coded names, but all non-ASCII |
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337 | characters are "escaped" into "#Uxxxx" |
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338 | 2 = UTF-8 support is disabled, filename handling |
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339 | works exactly as in previous UnZip versions |
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340 | fPrivilege = 1 => restore ACLs in user mode, |
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341 | 2 => try to use privileges for restoring ACLs |
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342 | lpszZipFN = zip file name |
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343 | lpszExtractDir = directory to extract to. This should be NULL if you |
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344 | are extracting to the current directory. |
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345 | */ |
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346 | |||
347 | BOOL WINAPI Wiz_SetOpts(pG, lpDCL) |
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348 | zvoid *pG; |
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349 | LPDCL lpDCL; |
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350 | { |
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351 | if (lpDCL->StructVersID != UZ_DCL_STRUCTVER) |
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352 | return FALSE; |
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353 | |||
354 | uO.qflag = lpDCL->fQuiet; /* Quiet flag */ |
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355 | G.pfnames = (char **)&fnames[0]; /* assign default file name vector */ |
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356 | G.pxnames = (char **)&fnames[1]; |
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357 | |||
358 | uO.jflag = (lpDCL->ndflag == 0); |
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359 | uO.ddotflag = (lpDCL->ndflag >= 2); |
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360 | uO.cflag = lpDCL->ncflag; |
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361 | uO.tflag = lpDCL->ntflag; |
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362 | uO.vflag = lpDCL->nvflag; |
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363 | uO.zflag = lpDCL->nzflag; |
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364 | uO.aflag = lpDCL->naflag; |
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365 | #ifdef UNIXBACKUP |
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366 | uO.B_flag = lpDCL->B_flag; |
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367 | #endif |
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368 | uO.C_flag = lpDCL->C_flag; |
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369 | uO.D_flag = lpDCL->D_flag; |
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370 | uO.U_flag = lpDCL->U_flag; |
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371 | uO.overwrite_all = lpDCL->noflag; |
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372 | uO.overwrite_none = !(lpDCL->noflag || lpDCL->PromptToOverwrite); |
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373 | uO.uflag = lpDCL->ExtractOnlyNewer || lpDCL->nfflag; |
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374 | uO.fflag = lpDCL->nfflag; |
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375 | #ifdef WIN32 |
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376 | uO.X_flag = lpDCL->fPrivilege; |
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377 | #endif |
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378 | uO.sflag = lpDCL->SpaceToUnderscore; /* Translate spaces to underscores? */ |
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379 | if (lpDCL->nZIflag) |
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380 | { |
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381 | uO.zipinfo_mode = TRUE; |
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382 | uO.hflag = TRUE; |
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383 | uO.lflag = 10; |
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384 | uO.qflag = 2; |
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385 | } |
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386 | else |
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387 | { |
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388 | uO.zipinfo_mode = FALSE; |
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389 | } |
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390 | |||
391 | G.extract_flag = (!uO.zipinfo_mode && |
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392 | !uO.cflag && !uO.tflag && !uO.vflag && !uO.zflag |
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393 | #ifdef TIMESTAMP |
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394 | && !uO.T_flag |
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395 | #endif |
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396 | ); |
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397 | |||
398 | if (lpDCL->lpszExtractDir != NULL && G.extract_flag) |
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399 | { |
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400 | #ifndef CRTL_CP_IS_ISO |
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401 | char *pExDirRoot = (char *)malloc(strlen(lpDCL->lpszExtractDir)+1); |
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402 | |||
403 | if (pExDirRoot == NULL) |
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404 | return FALSE; |
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405 | ISO_TO_INTERN(lpDCL->lpszExtractDir, pExDirRoot); |
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406 | #else |
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407 | # define pExDirRoot lpDCL->lpszExtractDir |
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408 | #endif |
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409 | if (strlen(pExDirRoot) >= FILNAMSIZ) |
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410 | { |
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411 | /* The supplied extract root path exceed the filename size limit. */ |
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412 | #ifndef CRTL_CP_IS_ISO |
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413 | free(pExDirRoot); |
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414 | #endif |
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415 | return FALSE; |
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416 | } |
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417 | uO.exdir = pExDirRoot; |
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418 | } |
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419 | else |
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420 | { |
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421 | uO.exdir = (char *)NULL; |
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422 | } |
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423 | |||
424 | /* G.wildzipfn needs to be initialized so that do_wild does not wind |
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425 | up clearing out the zip file name when it returns in process.c |
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426 | */ |
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427 | if (strlen(lpDCL->lpszZipFN) >= FILNAMSIZ) |
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428 | /* length of supplied archive name exceed the system's filename limit */ |
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429 | return FALSE; |
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430 | |||
431 | hwildZipFN = GlobalAlloc(GPTR, FILNAMSIZ); |
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432 | if (hwildZipFN == (HGLOBAL) NULL) |
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433 | return FALSE; |
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434 | |||
435 | G.wildzipfn = GlobalLock(hwildZipFN); |
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436 | lstrcpy(G.wildzipfn, lpDCL->lpszZipFN); |
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437 | _ISO_INTERN(G.wildzipfn); |
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438 | |||
439 | return TRUE; /* set up was OK */ |
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440 | } |
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441 | |||
442 | static void FreeDllMem(__GPRO) |
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443 | { |
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444 | if (G.wildzipfn) { |
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445 | GlobalUnlock(hwildZipFN); |
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446 | G.wildzipfn = NULL; |
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447 | } |
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448 | if (hwildZipFN) |
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449 | hwildZipFN = GlobalFree(hwildZipFN); |
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450 | |||
451 | #ifndef CRTL_CP_IS_ISO |
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452 | if (uO.exdir != NULL) { |
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453 | free(uO.exdir); |
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454 | uO.exdir = NULL; |
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455 | } |
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456 | #endif |
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457 | |||
458 | uO.zipinfo_mode = FALSE; |
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459 | } |
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460 | |||
461 | int WINAPI Wiz_Unzip(pG, ifnc, ifnv, xfnc, xfnv) |
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462 | zvoid *pG; |
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463 | int ifnc; |
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464 | char **ifnv; |
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465 | int xfnc; |
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466 | char **xfnv; |
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467 | { |
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468 | int retcode, f_cnt; |
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469 | #ifndef CRTL_CP_IS_ISO |
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470 | unsigned bufsize; |
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471 | char **intern_ifv = NULL, **intern_xfv = NULL; |
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472 | #endif |
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473 | |||
474 | if (ifnv == (char **)NULL && ifnc != 0) |
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475 | ifnc = 0; |
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476 | else |
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477 | for (f_cnt = 0; f_cnt < ifnc; f_cnt++) |
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478 | if (ifnv[f_cnt] == (char *)NULL) { |
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479 | ifnc = f_cnt; |
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480 | break; |
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481 | } |
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482 | if (xfnv == (char **)NULL && xfnc != 0) |
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483 | xfnc = 0; |
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484 | else |
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485 | for (f_cnt = 0; f_cnt < xfnc; f_cnt++) |
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486 | if (xfnv[f_cnt] == (char *)NULL) { |
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487 | xfnc = f_cnt; |
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488 | break; |
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489 | } |
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490 | |||
491 | G.process_all_files = (ifnc == 0 && xfnc == 0); /* for speed */ |
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492 | G.filespecs = ifnc; |
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493 | G.xfilespecs = xfnc; |
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494 | |||
495 | if (ifnc > 0) { |
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496 | for (f_cnt = ifnc; --f_cnt >= 0;) |
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497 | if (strlen(ifnv[f_cnt]) > ((WSIZE>>2) - 160)) { |
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498 | /* include filename pattern is too long for internal buffers */ |
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499 | FreeDllMem(__G); |
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500 | return PK_PARAM; |
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501 | } |
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502 | |||
503 | #ifdef CRTL_CP_IS_ISO |
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504 | G.pfnames = ifnv; |
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505 | #else /* !CRTL_CP_IS_ISO */ |
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506 | intern_ifv = (char **)malloc((ifnc+1)*sizeof(char **)); |
||
507 | if (intern_ifv == (char **)NULL) |
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508 | { |
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509 | FreeDllMem(__G); |
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510 | return PK_BADERR; |
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511 | } |
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512 | |||
513 | bufsize = 0; |
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514 | for (f_cnt = ifnc; --f_cnt >= 0;) |
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515 | bufsize += strlen(ifnv[f_cnt]) + 1; |
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516 | intern_ifv[0] = (char *)malloc(bufsize); |
||
517 | if (intern_ifv[0] == (char *)NULL) |
||
518 | { |
||
519 | free(intern_ifv); |
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520 | FreeDllMem(__G); |
||
521 | return PK_BADERR; |
||
522 | } |
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523 | |||
524 | for (f_cnt = 0; ; f_cnt++) |
||
525 | { |
||
526 | ISO_TO_INTERN(ifnv[f_cnt], intern_ifv[f_cnt]); |
||
527 | if ((f_cnt+1) >= ifnc) |
||
528 | break; |
||
529 | intern_ifv[f_cnt+1] = intern_ifv[f_cnt] + |
||
530 | (strlen(intern_ifv[f_cnt]) + 1); |
||
531 | } |
||
532 | intern_ifv[ifnc] = (char *)NULL; |
||
533 | G.pfnames = intern_ifv; |
||
534 | #endif /* ?CRTL_CP_IS_ISO */ |
||
535 | } |
||
536 | |||
537 | if (xfnc > 0) { |
||
538 | for (f_cnt = xfnc; --f_cnt >= 0;) |
||
539 | if (strlen(xfnv[f_cnt]) > ((WSIZE>>2) - 160)) |
||
540 | { |
||
541 | /* exclude filename pattern is too long for internal buffers */ |
||
542 | #ifndef CRTL_CP_IS_ISO |
||
543 | if (ifnc > 0) |
||
544 | { |
||
545 | free(intern_ifv[0]); |
||
546 | free(intern_ifv); |
||
547 | } |
||
548 | #endif |
||
549 | FreeDllMem(__G); |
||
550 | return PK_PARAM; |
||
551 | } |
||
552 | |||
553 | #ifdef CRTL_CP_IS_ISO |
||
554 | G.pxnames = xfnv; |
||
555 | #else /* !CRTL_CP_IS_ISO */ |
||
556 | intern_xfv = (char **)malloc((xfnc+1)*sizeof(char **)); |
||
557 | if (intern_xfv == (char **)NULL) |
||
558 | { |
||
559 | if (ifnc > 0) |
||
560 | { |
||
561 | free(intern_ifv[0]); |
||
562 | free(intern_ifv); |
||
563 | } |
||
564 | FreeDllMem(__G); |
||
565 | return PK_BADERR; |
||
566 | } |
||
567 | |||
568 | bufsize = 0; |
||
569 | for (f_cnt = xfnc; --f_cnt >= 0;) |
||
570 | bufsize += strlen(xfnv[f_cnt]) + 1; |
||
571 | intern_xfv[0] = (char *)malloc(bufsize); |
||
572 | if (intern_xfv[0] == (char *)NULL) |
||
573 | { |
||
574 | free(intern_xfv); |
||
575 | if (ifnc > 0) |
||
576 | { |
||
577 | free(intern_ifv[0]); |
||
578 | free(intern_ifv); |
||
579 | } |
||
580 | FreeDllMem(__G); |
||
581 | return PK_BADERR; |
||
582 | } |
||
583 | |||
584 | for (f_cnt = 0; ; f_cnt++) |
||
585 | { |
||
586 | ISO_TO_INTERN(xfnv[f_cnt], intern_xfv[f_cnt]); |
||
587 | if ((f_cnt+1) >= xfnc) |
||
588 | break; |
||
589 | intern_xfv[f_cnt+1] = intern_xfv[f_cnt] + |
||
590 | (strlen(intern_xfv[f_cnt]) + 1); |
||
591 | } |
||
592 | intern_xfv[xfnc] = (char *)NULL; |
||
593 | G.pxnames = intern_xfv; |
||
594 | #endif /* ?CRTL_CP_IS_ISO */ |
||
595 | } |
||
596 | |||
597 | /*--------------------------------------------------------------------------- |
||
598 | Okey dokey, we have everything we need to get started. Let's roll. |
||
599 | ---------------------------------------------------------------------------*/ |
||
600 | |||
601 | retcode = setjmp(dll_error_return); |
||
602 | if (retcode) |
||
603 | { |
||
604 | #ifndef CRTL_CP_IS_ISO |
||
605 | if (xfnc > 0) |
||
606 | { |
||
607 | free(intern_xfv[0]); |
||
608 | free(intern_xfv); |
||
609 | } |
||
610 | if (ifnc > 0) |
||
611 | { |
||
612 | free(intern_ifv[0]); |
||
613 | free(intern_ifv); |
||
614 | } |
||
615 | #endif |
||
616 | FreeDllMem(__G); |
||
617 | return PK_BADERR; |
||
618 | } |
||
619 | |||
620 | retcode = process_zipfiles(__G); |
||
621 | #ifndef CRTL_CP_IS_ISO |
||
622 | if (xfnc > 0) |
||
623 | { |
||
624 | free(intern_xfv[0]); |
||
625 | free(intern_xfv); |
||
626 | } |
||
627 | if (ifnc > 0) |
||
628 | { |
||
629 | free(intern_ifv[0]); |
||
630 | free(intern_ifv); |
||
631 | } |
||
632 | #endif |
||
633 | FreeDllMem(__G); |
||
634 | return retcode; |
||
635 | } |
||
636 | |||
637 | |||
638 | /* |
||
639 | ifnc = number of file names being passed. If all files are to be |
||
640 | extracted, then this can be zero. |
||
641 | ifnv = file names to be unarchived. Wildcard patterns are recognized |
||
642 | and expanded. If all files are to be extracted, then this can |
||
643 | be NULL. |
||
644 | xfnc = number of "file names to be excluded from processing" being |
||
645 | passed. If all files are to be extracted, set this to zero. |
||
646 | xfnv = file names to be excluded from the unarchiving process. Wildcard |
||
647 | characters are allowed and expanded. If all files are to be |
||
648 | extracted, set this argument to NULL. |
||
649 | lpDCL = pointer to a structure with the flags for setting the |
||
650 | various options, as well as the zip file name. |
||
651 | lpUserFunc = pointer to a structure that contains pointers to functions |
||
652 | in the calling application, as well as sizes passed back to |
||
653 | the calling application etc. |
||
654 | */ |
||
655 | |||
656 | int WINAPI Wiz_SingleEntryUnzip(int ifnc, char **ifnv, int xfnc, char **xfnv, |
||
657 | LPDCL lpDCL, LPUSERFUNCTIONS lpUserFunc) |
||
658 | { |
||
659 | int retcode; |
||
660 | CONSTRUCTGLOBALS(); |
||
661 | |||
662 | if (!Wiz_Init((zvoid *)&G, lpUserFunc)) |
||
663 | { |
||
664 | DESTROYGLOBALS(); |
||
665 | return PK_BADERR; |
||
666 | } |
||
667 | |||
668 | if (lpDCL->lpszZipFN == NULL) |
||
669 | { |
||
670 | /* Something has screwed up, we don't have a filename */ |
||
671 | DESTROYGLOBALS(); |
||
672 | return PK_NOZIP; |
||
673 | } |
||
674 | |||
675 | if (!Wiz_SetOpts((zvoid *)&G, lpDCL)) |
||
676 | { |
||
677 | DESTROYGLOBALS(); |
||
678 | return PK_MEM; |
||
679 | } |
||
680 | |||
681 | #ifdef SFX |
||
682 | G.zipfn = lpDCL->lpszZipFN; |
||
683 | G.argv0 = lpDCL->lpszZipFN; |
||
684 | #endif |
||
685 | |||
686 | /* Here is the actual call to "unzip" the files (or whatever else you |
||
687 | * are doing.) |
||
688 | */ |
||
689 | retcode = Wiz_Unzip((zvoid *)&G, ifnc, ifnv, xfnc, xfnv); |
||
690 | |||
691 | DESTROYGLOBALS(); |
||
692 | return retcode; |
||
693 | } |
||
694 | |||
695 | |||
696 | /* |
||
697 | This calling wrapper provided a method to pass file lists as plain strings |
||
698 | instead of the usual string arrays. For VB Users only... |
||
699 | ifnc = number of file names being passed. If all files are to be |
||
700 | extracted, then this can be zero. |
||
701 | ExtList = Pointer to a list of file names to be extracted, separated by |
||
702 | white space. If all files are to be extracted, then this should |
||
703 | be NULL. Parameter ifnc should have an accurate count of the |
||
704 | number of filenames being passed in. |
||
705 | xfnc = number of "file names to be excluded from processing" being |
||
706 | passed. If all files are to be extracted, set this to zero. |
||
707 | ExcList = Pointer to a list of file names to be excluded from processing. |
||
708 | Parameter xfnc should have an accurate count of the number of |
||
709 | the number of filenames being passed in. |
||
710 | lpDCL = pointer to a structure with the flags for setting the |
||
711 | various options, as well as the zip file name. |
||
712 | lpUserFunc = pointer to a structure that contains pointers to functions |
||
713 | in the calling application, as well as sizes passed back to |
||
714 | the calling application etc. |
||
715 | */ |
||
716 | |||
717 | int WINAPI Wiz_SingleEntryUnzpList(unsigned int ifnc, LPCSTR ExtList, |
||
718 | unsigned int xfnc, LPCSTR ExcList, |
||
719 | LPDCL lpDCL, LPUSERFUNCTIONS lpUserFunc) |
||
720 | { |
||
721 | int retcode; |
||
722 | char **argVExt, **argVExc; |
||
723 | unsigned int argCExt, argCExc; |
||
724 | |||
725 | argCExt = argCExc = 0; |
||
726 | |||
727 | if (ExtList != NULL) |
||
728 | { |
||
729 | if ((argVExt = (char **)malloc((ifnc)*sizeof(char *))) == NULL) |
||
730 | { |
||
731 | fprintf(stdout, "Unable to allocate memory in unzip dll\n"); |
||
732 | return PK_MEM; |
||
733 | } |
||
734 | if ((retcode = UnzipParseString(ExtList, &argCExt, &argVExt)) != PK_OK) |
||
735 | return retcode; |
||
736 | } |
||
737 | |||
738 | if (ExcList != NULL) |
||
739 | { |
||
740 | if ((argVExc = (char **)malloc((ifnc)*sizeof(char *))) == NULL) |
||
741 | { |
||
742 | fprintf(stdout, "Unable to allocate memory in unzip dll\n"); |
||
743 | UnzipFreeArguments(argCExt, &argVExt); |
||
744 | return PK_MEM; |
||
745 | } |
||
746 | if ((retcode = UnzipParseString(ExcList, &argCExc, &argVExc)) != PK_OK) |
||
747 | { |
||
748 | UnzipFreeArguments(argCExt, &argVExt); |
||
749 | return retcode; |
||
750 | } |
||
751 | } |
||
752 | |||
753 | retcode = Wiz_SingleEntryUnzip(argCExt, argVExt, argCExc, argVExc, |
||
754 | lpDCL, lpUserFunc); |
||
755 | UnzipFreeArguments(argCExc, &argVExc); |
||
756 | UnzipFreeArguments(argCExt, &argVExt); |
||
757 | return retcode; |
||
758 | } |
||
759 | |||
760 | |||
761 | int win_fprintf(zvoid *pG, FILE *file, unsigned int size, char far *buffer) |
||
762 | { |
||
763 | if ((file != stderr) && (file != stdout)) |
||
764 | { |
||
765 | return write(fileno(file),(char far *)(buffer),size); |
||
766 | } |
||
767 | if (!fNoPrinting) |
||
768 | return G.lpUserFunctions->print((LPSTR)buffer, size); |
||
769 | return (int)size; |
||
770 | } |
||
771 | |||
772 | /********************************** |
||
773 | * Function DllMessagePrint() * |
||
774 | * * |
||
775 | * Send messages to status window * |
||
776 | **********************************/ |
||
777 | #ifdef __BORLANDC__ |
||
778 | #pragma argsused |
||
779 | #endif |
||
780 | static int UZ_EXP DllMessagePrint(pG, buf, size, flag) |
||
781 | zvoid *pG; /* globals struct: always passed */ |
||
782 | uch *buf; /* preformatted string to be printed */ |
||
783 | ulg size; /* length of string (may include nulls) */ |
||
784 | int flag; /* flag bits */ |
||
785 | { |
||
786 | if (!fNoPrinting) |
||
787 | return G.lpUserFunctions->print((LPSTR)buf, size); |
||
788 | else |
||
789 | return (int)size; |
||
790 | } |
||
791 | |||
792 | #if 0 /* currently unused */ |
||
793 | /******************************** |
||
794 | * Function DllDisplayPrint() * |
||
795 | * * |
||
796 | * Send files to display window * |
||
797 | ********************************/ |
||
798 | #ifdef __BORLANDC__ |
||
799 | #pragma argsused |
||
800 | #endif |
||
801 | int DllDisplayPrint(pG, buf, size, flag) |
||
802 | zvoid *pG; /* globals struct: always passed */ |
||
803 | uch *buf; /* preformatted string to be printed */ |
||
804 | ulg size; /* length of string (may include nulls) */ |
||
805 | int flag; /* flag bits */ |
||
806 | { |
||
807 | return (!fNoPrinting |
||
808 | ? G.lpUserFunctions->print((LPSTR)buf, size) |
||
809 | : (int)size); |
||
810 | } |
||
811 | #endif /* never */ |
||
812 | |||
813 | |||
814 | /********************************** |
||
815 | * Function UzpPassword() * |
||
816 | * * |
||
817 | * Prompt for decryption password * |
||
818 | **********************************/ |
||
819 | #ifdef __BORLANDC__ |
||
820 | #pragma argsused |
||
821 | #endif |
||
822 | int UZ_EXP UzpPassword(pG, rcnt, pwbuf, size, zfn, efn) |
||
823 | zvoid *pG; /* globals struct: always passed */ |
||
824 | int *rcnt; /* retry counter */ |
||
825 | char *pwbuf; /* buffer for password */ |
||
826 | int size; /* size of password buffer */ |
||
827 | ZCONST char *zfn; /* name of zip archiv */ |
||
828 | ZCONST char *efn; /* name of archiv entry being processed */ |
||
829 | { |
||
830 | #if CRYPT |
||
831 | LPCSTR m; |
||
832 | |||
833 | if (*rcnt == 0) { |
||
834 | *rcnt = 2; |
||
835 | m = "Enter password for: "; |
||
836 | } else { |
||
837 | (*rcnt)--; |
||
838 | m = "Password incorrect--reenter: "; |
||
839 | } |
||
840 | |||
841 | return (*G.lpUserFunctions->password)((LPSTR)pwbuf, size, m, (LPCSTR)efn); |
||
842 | #else /* !CRYPT */ |
||
843 | return IZ_PW_ERROR; /* internal error, function should never get called */ |
||
844 | #endif /* ?CRYPT */ |
||
845 | } /* end function UzpPassword() */ |
||
846 | |||
847 | /* Turn off all messages to the calling application */ |
||
848 | void WINAPI Wiz_NoPrinting(int f) |
||
849 | { |
||
850 | fNoPrinting = f; |
||
851 | } |
||
852 | |||
853 | /* Dummy sound function for those applications that don't use sound */ |
||
854 | static void WINAPI DummySound(void) |
||
855 | { |
||
856 | } |
||
857 | |||
858 | /* Interface between WINDLL specific service callback functions and the |
||
859 | generic DLL's "status report & user interception" callback */ |
||
860 | #ifdef __BORLANDC__ |
||
861 | #pragma argsused |
||
862 | #endif |
||
863 | static int WINAPI Wiz_StatReportCB(zvoid *pG, int fnflag, ZCONST char *zfn, |
||
864 | ZCONST char *efn, ZCONST zvoid *details) |
||
865 | { |
||
866 | int rval = UZ_ST_CONTINUE; |
||
867 | |||
868 | switch (fnflag) { |
||
869 | case UZ_ST_START_EXTRACT: |
||
870 | if (G.lpUserFunctions->sound != NULL) |
||
871 | (*G.lpUserFunctions->sound)(); |
||
872 | break; |
||
873 | case UZ_ST_FINISH_MEMBER: |
||
874 | if ((G.lpUserFunctions->ServCallBk != NULL) && |
||
875 | (*G.lpUserFunctions->ServCallBk)(efn, |
||
876 | (details == NULL ? 0L : |
||
877 | #ifdef Z_UINT8_DEFINED |
||
878 | (z_uint8)(*((zusz_t *)details)) |
||
879 | #else |
||
880 | *((zusz_t *)details) |
||
881 | #endif |
||
882 | ))) |
||
883 | rval = UZ_ST_BREAK; |
||
884 | else if (G.lpUserFunctions->ServCallBk_i32 != NULL) { |
||
885 | unsigned long siz_u4L = 0L; |
||
886 | unsigned long siz_u4H = 0L; |
||
887 | if (details != NULL) { |
||
888 | siz_u4L = (unsigned long)(*(zusz_t *)details); |
||
889 | #ifdef ZIP64_SUPPORT |
||
890 | siz_u4H = (unsigned long)((*(zusz_t *)details) >> 32); |
||
891 | #endif |
||
892 | } |
||
893 | if ((*G.lpUserFunctions->ServCallBk_i32)(efn, siz_u4L, siz_u4H)) |
||
894 | rval = UZ_ST_BREAK; |
||
895 | } |
||
896 | break; |
||
897 | case UZ_ST_IN_PROGRESS: |
||
898 | break; |
||
899 | default: |
||
900 | break; |
||
901 | } |
||
902 | return rval; |
||
903 | } |
||
904 | |||
905 | |||
906 | #ifndef SFX |
||
907 | #ifndef __16BIT__ |
||
908 | |||
909 | int WINAPI Wiz_UnzipToMemory(LPSTR zip, LPSTR file, |
||
910 | LPUSERFUNCTIONS lpUserFunctions, UzpBuffer *retstr) |
||
911 | { |
||
912 | int r; |
||
913 | #ifndef CRTL_CP_IS_ISO |
||
914 | char *intern_zip, *intern_file; |
||
915 | #endif |
||
916 | |||
917 | CONSTRUCTGLOBALS(); |
||
918 | #ifndef CRTL_CP_IS_ISO |
||
919 | intern_zip = (char *)malloc(strlen(zip)+1); |
||
920 | if (intern_zip == NULL) { |
||
921 | DESTROYGLOBALS(); |
||
922 | return PK_MEM; |
||
923 | } |
||
924 | intern_file = (char *)malloc(strlen(file)+1); |
||
925 | if (intern_file == NULL) { |
||
926 | DESTROYGLOBALS(); |
||
927 | free(intern_zip); |
||
928 | return PK_MEM; |
||
929 | } |
||
930 | ISO_TO_INTERN(zip, intern_zip); |
||
931 | ISO_TO_INTERN(file, intern_file); |
||
932 | # define zip intern_zip |
||
933 | # define file intern_file |
||
934 | #endif |
||
935 | if (!Wiz_Init((zvoid *)&G, lpUserFunctions)) { |
||
936 | DESTROYGLOBALS(); |
||
937 | return PK_BADERR; |
||
938 | } |
||
939 | G.redirect_data = 1; |
||
940 | |||
941 | r = (unzipToMemory(__G__ zip, file, retstr) == PK_COOL); |
||
942 | |||
943 | DESTROYGLOBALS(); |
||
944 | #ifndef CRTL_CP_IS_ISO |
||
945 | # undef file |
||
946 | # undef zip |
||
947 | free(intern_file); |
||
948 | free(intern_zip); |
||
949 | #endif |
||
950 | if (!r && retstr->strlength) { |
||
951 | free(retstr->strptr); |
||
952 | retstr->strptr = NULL; |
||
953 | } |
||
954 | return r; |
||
955 | } |
||
956 | |||
957 | |||
958 | |||
959 | |||
960 | /* Purpose: Determine if file in archive contains the string szSearch |
||
961 | |||
962 | Parameters: archive = archive name |
||
963 | file = file contained in the archive. This cannot be |
||
964 | a wildcard to be meaningful |
||
965 | pattern = string to search for |
||
966 | cmd = 0 - case-insensitive search |
||
967 | 1 - case-sensitve search |
||
968 | 2 - case-insensitive, whole words only |
||
969 | 3 - case-sensitive, whole words only |
||
970 | SkipBin = if true, skip any files that have control |
||
971 | characters other than CR, LF, or tab in the first |
||
972 | 100 characters. |
||
973 | |||
974 | Returns: TRUE if a match is found |
||
975 | FALSE if no match is found |
||
976 | -1 on error |
||
977 | |||
978 | Comments: This does not pretend to be as useful as the standard |
||
979 | Unix grep, which returns the strings associated with a |
||
980 | particular pattern, nor does it search past the first |
||
981 | matching occurrence of the pattern. |
||
982 | */ |
||
983 | |||
984 | int WINAPI Wiz_Grep(LPSTR archive, LPSTR file, LPSTR pattern, int cmd, |
||
985 | int SkipBin, LPUSERFUNCTIONS lpUserFunctions) |
||
986 | { |
||
987 | int retcode = FALSE, compare; |
||
988 | ulg i, j, patternLen, buflen; |
||
989 | char * sz, *p; |
||
990 | UzpBuffer retstr; |
||
991 | |||
992 | /* Turn off any windows printing functions, as they may not have been |
||
993 | * identified yet. There is no requirement that we initialize the |
||
994 | * dll with printing stuff for this. */ |
||
995 | Wiz_NoPrinting(TRUE); |
||
996 | |||
997 | if (!Wiz_UnzipToMemory(archive, file, lpUserFunctions, &retstr)) { |
||
998 | Wiz_NoPrinting(FALSE); |
||
999 | return -1; /* not enough memory, file not found, or other error */ |
||
1000 | } |
||
1001 | |||
1002 | if (SkipBin) { |
||
1003 | if (retstr.strlength < 100) |
||
1004 | buflen = retstr.strlength; |
||
1005 | else |
||
1006 | buflen = 100; |
||
1007 | for (i = 0; i < buflen; i++) { |
||
1008 | if (iscntrl(retstr.strptr[i])) { |
||
1009 | if ((retstr.strptr[i] != 0x0A) && |
||
1010 | (retstr.strptr[i] != 0x0D) && |
||
1011 | (retstr.strptr[i] != 0x09)) |
||
1012 | { |
||
1013 | /* OK, we now think we have a binary file of some sort */ |
||
1014 | free(retstr.strptr); |
||
1015 | Wiz_NoPrinting(FALSE); |
||
1016 | return FALSE; |
||
1017 | } |
||
1018 | } |
||
1019 | } |
||
1020 | } |
||
1021 | |||
1022 | patternLen = strlen(pattern); |
||
1023 | |||
1024 | if (retstr.strlength < patternLen) { |
||
1025 | free(retstr.strptr); |
||
1026 | Wiz_NoPrinting(FALSE); |
||
1027 | return FALSE; |
||
1028 | } |
||
1029 | |||
1030 | sz = malloc(patternLen + 3); /* add two in case doing whole words only */ |
||
1031 | if (cmd > 1) { |
||
1032 | strcpy(sz, " "); |
||
1033 | strcat(sz, pattern); |
||
1034 | strcat(sz, " "); |
||
1035 | } else |
||
1036 | strcpy(sz, pattern); |
||
1037 | |||
1038 | if ((cmd == 0) || (cmd == 2)) { |
||
1039 | for (i = 0; i < strlen(sz); i++) |
||
1040 | sz[i] = toupper(sz[i]); |
||
1041 | for (i = 0; i < retstr.strlength; i++) |
||
1042 | retstr.strptr[i] = toupper(retstr.strptr[i]); |
||
1043 | } |
||
1044 | |||
1045 | for (i = 0; i < (retstr.strlength - patternLen); i++) { |
||
1046 | p = &retstr.strptr[i]; |
||
1047 | compare = TRUE; |
||
1048 | for (j = 0; j < patternLen; j++) { |
||
1049 | /* We cannot do strncmp here, as we may be dealing with a |
||
1050 | * "binary" file, such as a word processing file, or perhaps |
||
1051 | * even a true executable of some sort. */ |
||
1052 | if (p[j] != sz[j]) { |
||
1053 | compare = FALSE; |
||
1054 | break; |
||
1055 | } |
||
1056 | } |
||
1057 | if (compare == TRUE) { |
||
1058 | retcode = TRUE; |
||
1059 | break; |
||
1060 | } |
||
1061 | } |
||
1062 | |||
1063 | free(sz); |
||
1064 | free(retstr.strptr); |
||
1065 | Wiz_NoPrinting(FALSE); /* Turn printing back on */ |
||
1066 | return retcode; |
||
1067 | } |
||
1068 | #endif /* !__16BIT__ */ |
||
1069 | |||
1070 | int WINAPI Wiz_Validate(LPSTR archive, int AllCodes) |
||
1071 | { |
||
1072 | return UzpValidate((char *)archive, AllCodes); |
||
1073 | } |
||
1074 | |||
1075 | #endif /* !SFX */>>>>>>>>>> |