1 | /**********************************************************************
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2 | *
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3 | * cgiwrapper.cpp -- windows local library cgiwrapper
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4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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5 | *
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6 | * A component of the Greenstone digital library software
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7 | * from the New Zealand Digital Library Project at the
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8 | * University of Waikato, New Zealand.
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9 | *
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10 | * This program is free software; you can redistribute it and/or modify
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11 | * it under the terms of the GNU General Public License as published by
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12 | * the Free Software Foundation; either version 2 of the License, or
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13 | * (at your option) any later version.
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14 | *
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15 | * This program is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | * GNU General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License
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21 | * along with this program; if not, write to the Free Software
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22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | *
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24 | *********************************************************************/
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25 |
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26 | #include "text_t.h"
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27 |
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28 | #include <windows.h>
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29 | #include <string.h>
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30 | #include <stdio.h>
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31 | #include <stdlib.h>
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32 | #include <assert.h>
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33 | #include <direct.h>
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34 | #include "cgiwrapper.h"
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35 | #include "netio.h"
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36 | #include "wincgiutils.h"
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37 | #include "settings.h"
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38 | #include "fileutil.h"
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39 |
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40 | #include "gsdlconf.h"
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41 | #include "recptconfig.h"
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42 |
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43 | #if defined (GSDL_USE_OBJECTSPACE)
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44 | #include <ospace\std\iostream>
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45 | #include <ospace\std\fstream>
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46 | #elif defined (GSDL_USE_IOS_H)
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47 | #include <iostream.h>
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48 | #include <fstream.h>
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49 | #else
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50 | #include <iostream>
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51 | #include <fstream>
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52 | #endif
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53 |
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54 | #include "receptionist.h"
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55 | #include "nullproto.h"
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56 | #include "collectserver.h"
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57 | #include "infodbclass.h"
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58 | #include "mggdbmsource.h"
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59 | #include "mgsearch.h"
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60 |
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61 | // actions
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62 | #include "statusaction.h"
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63 | #include "pageaction.h"
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64 | #include "pingaction.h"
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65 | #include "queryaction.h"
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66 | #include "documentaction.h"
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67 | #include "tipaction.h"
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68 | #include "authenaction.h"
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69 | #include "usersaction.h"
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70 | #include "extlinkaction.h"
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71 | #include "delhistoryaction.h"
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72 | #include "collectoraction.h"
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73 |
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74 | // browsers
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75 | #include "vlistbrowserclass.h"
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76 | #include "hlistbrowserclass.h"
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77 | #include "datelistbrowserclass.h"
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78 | #include "invbrowserclass.h"
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79 | #include "pagedbrowserclass.h"
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80 | #include "htmlbrowserclass.h"
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81 |
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82 | // filters
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83 | #include "filter.h"
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84 | #include "browsefilter.h"
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85 | #include "mgqueryfilter.h"
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86 | #include "phrasequeryfilter.h"
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87 |
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88 | // the number of times the library has been accessed
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89 | int libaccessnum = 0;
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90 |
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91 | // used to output the text from receptionist
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92 | class textstreambuf : public streambuf
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93 | {
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94 | public:
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95 | textstreambuf ();
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96 | int sync ();
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97 | int overflow (int ch);
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98 | int underflow () {return EOF;}
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99 |
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100 | void tsbreset() {RInfo=NULL;casostr=NULL;}
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101 | void setrequestinfo (RequestInfoT *theRInfo) {RInfo=theRInfo;}
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102 | void cascadeoutput (ostream *thecasostr) {casostr=thecasostr;}
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103 |
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104 | private:
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105 | RequestInfoT *RInfo;
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106 | ostream *casostr;
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107 | #if !defined (GSDL_USE_IOS_H)
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108 | char buffer[256];
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109 | #endif
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110 | };
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111 |
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112 | textstreambuf::textstreambuf() {
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113 | tsbreset();
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114 | #if !defined (GSDL_USE_IOS_H)
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115 | setp (&buffer[0], &buffer[255]);
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116 | #else
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117 | if (base() == ebuf()) allocate();
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118 | setp (base(), ebuf());
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119 | #endif
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120 | };
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121 |
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122 | int textstreambuf::sync () {
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123 | if ((RInfo != NULL) &&
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124 | (Send_String_N(pbase(), pptr()-pbase(), RInfo) < 0)) {
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125 | RInfo = NULL;
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126 | }
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127 |
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128 | if (casostr != NULL) {
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129 | char *thepbase=pbase();
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130 | for (int i=0;i<(pptr()-pbase());i++) (*casostr).put(thepbase[i]);
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131 | }
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132 |
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133 | setp (pbase(), epptr());
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134 |
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135 | return 0;
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136 | }
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137 |
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138 | int textstreambuf::overflow (int ch) {
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139 | if (sync () == EOF) return EOF;
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140 | if (ch != EOF) sputc (ch);
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141 | return 0;
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142 | }
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143 |
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144 |
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145 | // used to output all the log and error messages
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146 | // from receptionist
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147 | class logstreambuf : public streambuf
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148 | {
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149 | public:
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150 | logstreambuf ();
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151 | int sync ();
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152 | int overflow (int ch);
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153 | int underflow () {return EOF;}
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154 |
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155 | #if !defined (GSDL_USE_IOS_H)
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156 | private:
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157 | char buffer[256];
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158 | #endif
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159 | };
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160 |
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161 | logstreambuf::logstreambuf () {
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162 | #if !defined (GSDL_USE_IOS_H)
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163 | setp (&buffer[0], &buffer[255]);
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164 | #else
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165 | if (base() == ebuf()) allocate();
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166 | setp (base(), ebuf());
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167 | #endif
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168 | }
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169 |
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170 | int logstreambuf::sync () {
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171 | if (gsdl_keep_log || gsdl_show_console) {
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172 | log_message ("LOCAL LIB MESSAGE: ");
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173 | log_message_N (pbase(), pptr()-pbase());
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174 | }
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175 |
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176 | setp (pbase(), epptr());
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177 | return 0;
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178 | }
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179 |
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180 | int logstreambuf::overflow (int ch) {
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181 | if (sync () == EOF) return EOF;
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182 | if (ch != EOF) sputc (ch);
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183 | return 0;
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184 | }
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185 |
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186 |
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187 |
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188 | #ifndef MAX_FILENAME_SIZE
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189 | #define MAX_FILENAME_SIZE 2048
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190 | #endif
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191 |
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192 |
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193 | receptionist recpt;
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194 | nullproto nproto;
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195 | textstreambuf textstream;
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196 | logstreambuf logstream;
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197 | DWORD lastlibaccesstime;
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198 | DWORD baseavailvirtual;
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199 |
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200 | static void page_errormaincfg (const text_t &gsdlhome, const text_t &collection) {
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201 |
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202 | if (collection.empty()) {
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203 | text_t message = "Error\n\n"
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204 | "The main.cfg configuration file could not be found. This file\n"
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205 | "should contain configuration information relating to the\n"
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206 | "setup of the interface. As this program is not being run\n"
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207 | "in collection specific mode the file should reside at\n" +
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208 | gsdlhome + "\\etc\\main.cfg.\n";
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209 |
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210 | MessageBox(NULL, message.getcstr(),
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211 | "Greenstone Digital Library Software"
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212 | ,MB_OK|MB_SYSTEMMODAL);
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213 | } else {
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214 | text_t message = "Neither the collect.cfg or main.cfg configuration files could\n"
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215 | "be found. This file should contain configuration information\n"
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216 | "relating to the setup of the interface. As this cgi script is\n"
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217 | "being run in collection specific mode the file should reside\n"
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218 | "at either " + gsdlhome + "\\collect\\" + collection + "\\etc\\collect.cfg,\n" +
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219 | gsdlhome + "\\etc\\collect.cfg or " + gsdlhome + "\\etc\\main.cfg.\n";
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220 |
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221 | MessageBox(NULL, message.getcstr(),
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222 | "Greenstone Digital Library Software"
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223 | ,MB_OK|MB_SYSTEMMODAL);
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224 | }
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225 | }
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226 |
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227 | static void page_errorinit (const text_t &/*gsdlhome*/) {
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228 |
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229 | text_t message = "Error\n\n"
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230 | "An error occurred during the initialisation of the Greenstone Digital\n"
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231 | "Library software. It is likely that the software has not been setup\n"
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232 | "correctly.\n";
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233 |
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234 | MessageBox(NULL, message.getcstr(),
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235 | "Greenstone Digital Library Software"
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236 | ,MB_OK|MB_SYSTEMMODAL);
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237 | }
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238 |
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239 | static void page_errorparseargs (const text_t &gsdlhome) {
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240 |
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241 | text_t message = "Error\n\n"
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242 | "An error occurred during the parsing of the cgi arguments.\n";
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243 |
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244 | MessageBox(NULL, message.getcstr(),
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245 | "Greenstone Digital Library Software"
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246 | ,MB_OK|MB_SYSTEMMODAL);
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247 | }
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248 |
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249 | static void page_errorcgipage (const text_t &gsdlhome) {
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250 |
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251 | text_t message = "Error\n\n"
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252 | "An error occurred during the construction of the cgi page.\n";
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253 |
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254 | MessageBox(NULL, message.getcstr(),
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255 | "Greenstone Digital Library Software"
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256 | ,MB_OK|MB_SYSTEMMODAL);
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257 | }
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258 |
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259 | // returns 0 if the directories can't be found
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260 | // and the user wants to quit (it returns 1
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261 | // if everything is ok)
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262 | int checkdir (const text_t &thedir) {
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263 | UINT curerrormode;
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264 | int drive = _getdrive();
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265 | char cwd[1024];
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266 | char rootpath[4];
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267 | UINT drivetype;
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268 | char *cstrthedir = thedir.getcstr();
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269 | int returnvalue = 1;
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270 |
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271 | // make sure no rude error messages are presented to the user
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272 | curerrormode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
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273 |
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274 | // get the drive name
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275 | if (thedir.size() >= 2 && thedir[1] == ':') {
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276 | if (thedir[0] >= 'a' && thedir[0] <= 'z') {
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277 | drive = thedir[0] - 'a' + 1;
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278 |
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279 | } else if (thedir[0] >= 'A' && thedir[0] <= 'Z') {
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280 | drive = thedir[0] - 'A' + 1;
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281 | }
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282 | }
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283 |
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284 | // find the drive type
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285 | rootpath[0] = drive + 'A' - 1;
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286 | rootpath[1] = ':';
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287 | rootpath[2] = '\\';
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288 | rootpath[3] = '\0';
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289 | drivetype = GetDriveType (rootpath);
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290 |
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291 | // try and set this directory to be the current working
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292 | // directory
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293 | _getcwd(cwd, 1024);
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294 | while (_chdir(cstrthedir) != 0) {
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295 | // failed
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296 | if (drivetype == DRIVE_CDROM) {
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297 | // message to insert the cdrom
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298 | if (MessageBox (NULL,
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299 | "Please insert the Greenstone Digital Library\n"
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300 | "CD-ROM into the CD-ROM drive and press 'OK'.\n\n"
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301 | "If you don't have the CD-ROM press 'Cancel' to exit\n"
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302 | "this program.", "Greenstone Digital Library Software",
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303 | MB_OKCANCEL | MB_TASKMODAL) == IDCANCEL) {
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304 |
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305 | returnvalue = 0;
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306 | break;
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307 | }
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308 |
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309 | } else {
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310 | // message saying that the system was unable
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311 | // to find a certain directory
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312 | text_t message = "Failed to find the directory:\n\n" + thedir;
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313 | message += "\n\n"
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314 | "This directory is needed for the successful operation\n"
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315 | "of this software. Make sure it hasn't been deleted or\n"
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316 | "moved, and restart the software. You may need to\n"
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317 | "reinstall this software to correct the problem.";
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318 | char *cstrmessage = message.getcstr();
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319 |
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320 | MessageBox (NULL, cstrmessage, "Greenstone Digital Library Software",
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321 | MB_OK | MB_TASKMODAL);
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322 |
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323 | delete cstrmessage;
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324 |
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325 | returnvalue = 0;
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326 | break;
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327 | }
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328 | }
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329 |
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330 | // revert to the previous error and cwd states
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331 | _chdir(cwd);
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332 | SetErrorMode(curerrormode);
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333 |
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334 | // free the allocated C string
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335 | delete cstrthedir;
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336 |
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337 | return returnvalue;
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338 | }
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339 |
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340 |
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341 | // c-string version of checkdir for the outside
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342 | // world
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343 | int cstrcheckdir (char *cstrthedir) {
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344 | return checkdir (cstrthedir);
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345 | }
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346 |
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347 |
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348 | // returns 1 if successful, 0 if unsuccessful
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349 | int gsdl_init () {
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350 | #if defined (GSDL_USE_IOS_H)
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351 | cerr = &logstream;
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352 | cout = &textstream;
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353 | #else
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354 | cerr.rdbuf(&logstream);
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355 | cout.rdbuf(&textstream);
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356 | #endif
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357 |
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358 | // collection should be set to "" unless in collection specific mode -
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359 | // changing this to the name of the collection should be all that's
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360 | // required to create a collection specific receptionist
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361 | text_t collection = "";
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362 | text_tset gsdlhomes;
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363 | text_tarray collections;
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364 | colinfo_tmap::const_iterator this_info = gsdl_collectinfo.begin();
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365 | colinfo_tmap::const_iterator end_info = gsdl_collectinfo.end();
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366 |
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367 | // note the current time
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368 | lastlibaccesstime = GetTickCount();
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369 |
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370 | // before we do the init we should make sure
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371 | // that we can find the relevant directories
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372 | if (!checkdir (gsdl_gsdlhome + "\\")) return 0;
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373 | if (!checkdir (gsdl_gsdlhome + "\\macros\\")) return 0;
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374 |
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375 | if (collection.empty()) {
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376 |
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377 | // get all collections from each gsdlhome (this relies
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378 | // on there not being more than one collection with the same
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379 | // name)
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380 | read_dir (filename_cat (gsdl_gsdlhome, "collect"), collections);
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381 | gsdlhomes.insert (gsdl_gsdlhome);
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382 | while (this_info != end_info) {
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383 | if (gsdlhomes.find ((*this_info).second.gsdl_gsdlhome) == gsdlhomes.end()) {
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384 | read_dir (filename_cat ((*this_info).second.gsdl_gsdlhome, "collect"), collections);
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385 | gsdlhomes.insert ((*this_info).second.gsdl_gsdlhome);
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386 | }
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387 | this_info ++;
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388 | }
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389 | } else {
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390 | collections.push_back (collection);
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391 | gsdlhomes.insert (gsdl_gsdlhome);
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392 | }
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393 |
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394 | text_tarray::const_iterator thiscol = collections.begin();
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395 | text_tarray::const_iterator endcol = collections.end();
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396 |
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397 | while (thiscol != endcol) {
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398 |
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399 | // this memory is created but never destroyed
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400 | // we're also not doing any error checking to make sure we didn't
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401 | // run out of memory
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402 | collectserver *cserver = new collectserver();
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403 | gdbmclass *gdbmhandler = new gdbmclass();
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404 | mgsearchclass *mgsearch = new mgsearchclass();
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405 |
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406 | // add a null filter
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407 | filterclass *filter = new filterclass();
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408 | cserver->add_filter (filter);
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409 |
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410 | // add a browse filter
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411 | browsefilterclass *browsefilter = new browsefilterclass();
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412 | browsefilter->set_gdbmptr (gdbmhandler);
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413 | cserver->add_filter (browsefilter);
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414 |
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415 | // add a query filter
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416 | mgqueryfilterclass *queryfilter = new mgqueryfilterclass();
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417 | queryfilter->set_gdbmptr (gdbmhandler);
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418 | queryfilter->set_mgsearchptr (mgsearch);
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419 | cserver->add_filter (queryfilter);
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420 |
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421 | // add an mg and gdbm source
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422 | mggdbmsourceclass *mggdbmsource = new mggdbmsourceclass();
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423 | mggdbmsource->set_gdbmptr (gdbmhandler);
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424 | mggdbmsource->set_mgsearchptr (mgsearch);
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425 | cserver->add_source (mggdbmsource);
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426 |
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427 | // inform collection server and everything it contains about
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428 | // its collection name
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429 | cserver->configure ("collection", *thiscol);
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430 |
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431 | nproto.add_collectserver (cserver);
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432 |
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433 | thiscol ++;
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434 | }
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435 |
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436 | // add the protocol to the receptionist
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437 | recpt.add_protocol (&nproto);
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438 |
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439 | // add other converters
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440 | utf8inconvertclass *utf8inconvert = new utf8inconvertclass();
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441 | utf8outconvertclass *utf8outconvert = new utf8outconvertclass();
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442 | recpt.add_converter ("u", utf8inconvert, utf8outconvert);
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443 |
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444 | mapinconvertclass *gbinconvert = new mapinconvertclass();
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445 | gbinconvert->setmapfile (gsdl_gsdlhome, "gbku", 0x25a1);
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446 | mapoutconvertclass *gboutconvert = new mapoutconvertclass();
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447 | gboutconvert->setmapfile (gsdl_gsdlhome, "ugbk", 0xa1f5);
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448 | recpt.add_converter ("g", gbinconvert, gboutconvert);
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449 |
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450 | // the list of actions.
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451 | statusaction *astatusaction = new statusaction();
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452 | astatusaction->set_receptionist (&recpt);
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453 | recpt.add_action (astatusaction);
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454 |
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455 | pageaction *apageaction = new pageaction();
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456 | apageaction->set_receptionist (&recpt);
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457 | recpt.add_action (apageaction);
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458 |
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459 | pingaction *apingaction = new pingaction();
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460 | recpt.add_action (apingaction);
|
---|
461 |
|
---|
462 | tipaction *atipaction = new tipaction();
|
---|
463 | recpt.add_action (atipaction);
|
---|
464 |
|
---|
465 | queryaction *aqueryaction = new queryaction();
|
---|
466 | aqueryaction->set_receptionist (&recpt);
|
---|
467 | recpt.add_action (aqueryaction);
|
---|
468 |
|
---|
469 | documentaction *adocumentaction = new documentaction();
|
---|
470 | adocumentaction->set_receptionist (&recpt);
|
---|
471 | recpt.add_action (adocumentaction);
|
---|
472 |
|
---|
473 | usersaction *ausersaction = new usersaction();
|
---|
474 | recpt.add_action (ausersaction);
|
---|
475 |
|
---|
476 | extlinkaction *anextlinkaction = new extlinkaction();
|
---|
477 | recpt.add_action (anextlinkaction);
|
---|
478 |
|
---|
479 | collectoraction *acollectoraction = new collectoraction();
|
---|
480 | acollectoraction->set_receptionist (&recpt);
|
---|
481 | recpt.add_action (acollectoraction);
|
---|
482 |
|
---|
483 | authenaction *aauthenaction = new authenaction();
|
---|
484 | aauthenaction->set_receptionist(&recpt);
|
---|
485 | recpt.add_action (aauthenaction);
|
---|
486 |
|
---|
487 | delhistoryaction *adelhistoryaction = new delhistoryaction();
|
---|
488 | recpt.add_action (adelhistoryaction);
|
---|
489 |
|
---|
490 |
|
---|
491 | // list of browsers
|
---|
492 | vlistbrowserclass *avlistbrowserclass = new vlistbrowserclass();
|
---|
493 | recpt.add_browser (avlistbrowserclass);
|
---|
494 | recpt.setdefaultbrowser ("VList");
|
---|
495 |
|
---|
496 | hlistbrowserclass *ahlistbrowserclass = new hlistbrowserclass();
|
---|
497 | recpt.add_browser (ahlistbrowserclass);
|
---|
498 |
|
---|
499 | datelistbrowserclass *adatelistbrowserclass = new datelistbrowserclass();
|
---|
500 | recpt.add_browser (adatelistbrowserclass);
|
---|
501 |
|
---|
502 | invbrowserclass *ainvbrowserclass = new invbrowserclass();
|
---|
503 | recpt.add_browser (ainvbrowserclass);
|
---|
504 |
|
---|
505 | pagedbrowserclass *apagedbrowserclass = new pagedbrowserclass();
|
---|
506 | recpt.add_browser (apagedbrowserclass);
|
---|
507 |
|
---|
508 | htmlbrowserclass *ahtmlbrowserclass = new htmlbrowserclass();
|
---|
509 | recpt.add_browser (ahtmlbrowserclass);
|
---|
510 |
|
---|
511 | // set defaults
|
---|
512 | recpt.configure ("gsdlhome", gsdl_gsdlhome);
|
---|
513 | recpt.configure ("collection", collection);
|
---|
514 |
|
---|
515 | int maxrequests = 1;
|
---|
516 | text_tset seenhomes;
|
---|
517 | this_info = gsdl_collectinfo.begin();
|
---|
518 |
|
---|
519 | // configure any collections with gsdlhome (or gdbmhome)
|
---|
520 | // different from the default
|
---|
521 | while (this_info != end_info) {
|
---|
522 | if (((*this_info).second.gsdl_gsdlhome != gsdl_gsdlhome) ||
|
---|
523 | ((*this_info).second.gsdl_gdbmhome != gsdl_gdbmhome) &&
|
---|
524 | (seenhomes.find ((*this_info).second.gsdl_gsdlhome +
|
---|
525 | (*this_info).second.gsdl_gdbmhome) == seenhomes.end())) {
|
---|
526 | text_tarray tmpconf;
|
---|
527 | tmpconf.push_back ((*this_info).first);
|
---|
528 | tmpconf.push_back ((*this_info).second.gsdl_gsdlhome);
|
---|
529 | tmpconf.push_back ((*this_info).second.gsdl_gdbmhome);
|
---|
530 | recpt.configure ("collectinfo", tmpconf);
|
---|
531 | seenhomes.insert ((*this_info).second.gsdl_gsdlhome +
|
---|
532 | (*this_info).second.gsdl_gdbmhome);
|
---|
533 | }
|
---|
534 | this_info ++;
|
---|
535 | }
|
---|
536 |
|
---|
537 | // read in config files of each gsdlhome (in no particular order)
|
---|
538 | // those read in last will override those read earlier
|
---|
539 | // collections being used together in this way should be
|
---|
540 | // careful not to have main.cfg files that might
|
---|
541 | // screw with each other.
|
---|
542 | text_tset::const_iterator thome = gsdlhomes.begin();
|
---|
543 | text_tset::const_iterator ehome = gsdlhomes.end();
|
---|
544 | while (thome != ehome) {
|
---|
545 | if (!main_cfg_read (recpt, *thome, collection)) {
|
---|
546 | // couldn't find the main configuration file
|
---|
547 | page_errormaincfg (*thome, collection);
|
---|
548 | return 0;
|
---|
549 | }
|
---|
550 | thome ++;
|
---|
551 | }
|
---|
552 |
|
---|
553 | // w32server relies on gwcgi being set to "gw"
|
---|
554 | recpt.configure ("gwcgi", "gw");
|
---|
555 |
|
---|
556 | // initialise the library software
|
---|
557 | if (!recpt.init(cerr)) {
|
---|
558 | // an error occurred during the initialisation
|
---|
559 | page_errorinit(gsdl_gsdlhome);
|
---|
560 | return 0;
|
---|
561 | }
|
---|
562 |
|
---|
563 | // get memory information
|
---|
564 | MEMORYSTATUS memstatus;
|
---|
565 | memstatus.dwLength = sizeof(MEMORYSTATUS);
|
---|
566 | GlobalMemoryStatus(&memstatus);
|
---|
567 | baseavailvirtual = memstatus.dwAvailVirtual; // save for later comparison
|
---|
568 |
|
---|
569 | return 1;
|
---|
570 | }
|
---|
571 |
|
---|
572 |
|
---|
573 | static void rememberpref (char *tailstr) {
|
---|
574 |
|
---|
575 | // gsdl_enterlib = tailstr;
|
---|
576 | }
|
---|
577 |
|
---|
578 |
|
---|
579 | static void send_file_from_disk(char *filename,
|
---|
580 | RequestInfoT *RInfo,
|
---|
581 | RequestFieldsT *RFields)
|
---|
582 | {
|
---|
583 | int len, nr; char *tail, *kind;
|
---|
584 | FILE *thefile;
|
---|
585 |
|
---|
586 | // select appropriate mime type from file name
|
---|
587 | len = strlen(filename);
|
---|
588 | while (len > 0 && filename[len-1] != '.') len--;
|
---|
589 | kind = "unknown";
|
---|
590 | if (len > 0) {
|
---|
591 | tail = &filename[len];
|
---|
592 | if (stricmp("gif",tail) == 0) kind = "image/gif";
|
---|
593 | else if (stricmp("jpg",tail) == 0 ||
|
---|
594 | stricmp("jpeg",tail) == 0) kind = "image/jpeg";
|
---|
595 | else if (stricmp("htm",tail) == 0 ||
|
---|
596 | stricmp("html",tail) == 0) kind = "text/html";
|
---|
597 | }
|
---|
598 |
|
---|
599 | // set up file name
|
---|
600 | text_t filenamet = text_t(gsdl_gsdlhome) + filename;
|
---|
601 | text_t::iterator here = filenamet.begin();
|
---|
602 | text_t::iterator end = filenamet.end();
|
---|
603 | while (here != end) {
|
---|
604 | if (*here == '/') *here = '\\';
|
---|
605 | here ++;
|
---|
606 | }
|
---|
607 |
|
---|
608 | filename = filenamet.getcstr();
|
---|
609 |
|
---|
610 | // try to open it
|
---|
611 | thefile = fopen(filename, "rb");
|
---|
612 | if (thefile == NULL) {
|
---|
613 | log_message("file not found\n");
|
---|
614 | send_retrieve_error(404, "File not found",
|
---|
615 | "Could not find the local file requested", RInfo);
|
---|
616 | return;
|
---|
617 | }
|
---|
618 |
|
---|
619 | char buffer[2048];
|
---|
620 | // send back required information
|
---|
621 | if (send_header(kind, RInfo) >= 0) {
|
---|
622 | if (strcmpi(RFields->MethodStr, "HEAD") != 0) {
|
---|
623 | for (;;) {
|
---|
624 | nr = fread(buffer, 1, 2048, thefile);
|
---|
625 | if (nr <= 0) break;
|
---|
626 | if (SendData(RInfo->ClientSocket,
|
---|
627 | (BYTE *)buffer, nr,
|
---|
628 | RInfo->ThreadNum) < 0) break;
|
---|
629 | }
|
---|
630 | }
|
---|
631 | }
|
---|
632 | fclose(thefile);
|
---|
633 | }
|
---|
634 |
|
---|
635 | static void handle_library_request(char *TailStr, RequestInfoT *RInfo,
|
---|
636 | RequestFieldsT *RequestFields) {
|
---|
637 | // check for a "?" at the start of the tail string
|
---|
638 | if (*TailStr == '?') TailStr++;
|
---|
639 |
|
---|
640 | outconvertclass text_t2ascii;
|
---|
641 |
|
---|
642 | // parse the cgi arguments and produce the resulting page if there
|
---|
643 | // has been no errors so far
|
---|
644 | cgiargsclass args;
|
---|
645 | text_tmap empty; // don't use this (it's for fastcgi on unix)
|
---|
646 | if (!recpt.parse_cgi_args (TailStr, args, cerr, empty)) {
|
---|
647 | page_errorparseargs(gsdl_gsdlhome);
|
---|
648 | return;
|
---|
649 | }
|
---|
650 |
|
---|
651 | // produce cgi header
|
---|
652 | response_t response;
|
---|
653 | text_t response_data;
|
---|
654 |
|
---|
655 | recpt.get_cgihead_info (args, response, response_data, cerr, empty);
|
---|
656 |
|
---|
657 | if (response == location) {
|
---|
658 | // location response
|
---|
659 | response_data = "@" + recpt.expandmacros (response_data, args, cerr);
|
---|
660 | char *response_data_c = response_data.getcstr();
|
---|
661 | send_header(response_data_c, RInfo);
|
---|
662 | delete response_data_c;
|
---|
663 | return;
|
---|
664 | } else if (response == content) {
|
---|
665 | // content response
|
---|
666 | char *response_data_c = response_data.getcstr();
|
---|
667 | if (send_header(response_data_c, RInfo) < 0) {
|
---|
668 | delete response_data_c;
|
---|
669 | return;
|
---|
670 | }
|
---|
671 | delete response_data_c;
|
---|
672 | } else {
|
---|
673 | // unknown response
|
---|
674 | cerr << "Error: get_cgihead_info returned an unknown response type.\n";
|
---|
675 | return;
|
---|
676 | }
|
---|
677 |
|
---|
678 | textstream.tsbreset();
|
---|
679 | textstream.setrequestinfo (RInfo);
|
---|
680 |
|
---|
681 | if (!recpt.produce_content (args, cout, cerr)) {
|
---|
682 | page_errorcgipage(gsdl_gsdlhome);
|
---|
683 | return;
|
---|
684 | }
|
---|
685 | recpt.log_cgi_args (args, cerr, empty);
|
---|
686 |
|
---|
687 | cout << flush;
|
---|
688 | cerr << flush;
|
---|
689 |
|
---|
690 | libaccessnum++;
|
---|
691 | }
|
---|
692 |
|
---|
693 | static void handle_server_request(char *initialTailStr,
|
---|
694 | RequestInfoT *RequestInfo,
|
---|
695 | RequestFieldsT *RequestFields) {
|
---|
696 | char tmpstr[1024];
|
---|
697 | char tailstr[MAX_URL_SIZE];
|
---|
698 |
|
---|
699 | // do any url adjustments necessary
|
---|
700 | if (strcmp(initialTailStr, "/") == 0) {
|
---|
701 | strcpy (tailstr, "/cgi-bin/gw");
|
---|
702 | } else strcpy (tailstr, initialTailStr);
|
---|
703 |
|
---|
704 | // test to see if this is a library request or a local
|
---|
705 | // file request
|
---|
706 | if ((strncmp(tailstr, "/cgi-bin/gw", 11) == 0) &&
|
---|
707 | ((tailstr[11] == '\0') || (tailstr[11] == '?'))) {
|
---|
708 | // library request
|
---|
709 |
|
---|
710 | // log the difference in access times
|
---|
711 | DWORD thislibaccesstime = GetTickCount();
|
---|
712 | if (gsdl_keep_log||gsdl_show_console) {
|
---|
713 | sprintf(tmpstr, "DELTA LIB ACCESS TIME: %i\n", (int)(thislibaccesstime - lastlibaccesstime));
|
---|
714 | log_message (tmpstr);
|
---|
715 | }
|
---|
716 | lastlibaccesstime = thislibaccesstime;
|
---|
717 |
|
---|
718 | // log this request
|
---|
719 | if (gsdl_keep_log||gsdl_show_console) {
|
---|
720 | sprintf (tmpstr, "LOCAL LIB: %s\n", tailstr);
|
---|
721 | log_message (tmpstr);
|
---|
722 | }
|
---|
723 |
|
---|
724 | handle_library_request (&tailstr[11], RequestInfo, RequestFields);
|
---|
725 |
|
---|
726 | // remember the preferences
|
---|
727 | rememberpref (tailstr);
|
---|
728 |
|
---|
729 | // log memory information
|
---|
730 | if (gsdl_keep_log||gsdl_show_console) {
|
---|
731 | MEMORYSTATUS memstatus;
|
---|
732 | memstatus.dwLength = sizeof(MEMORYSTATUS);
|
---|
733 | GlobalMemoryStatus(&memstatus);
|
---|
734 | sprintf (tmpstr, "BDELTA AVAIL VIRTUAL: %i K\n",
|
---|
735 | (int)((baseavailvirtual - memstatus.dwAvailVirtual)/1024));
|
---|
736 | log_message (tmpstr);
|
---|
737 | }
|
---|
738 |
|
---|
739 | } else {
|
---|
740 | // local file
|
---|
741 | if (gsdl_keep_log||gsdl_show_console) {
|
---|
742 | sprintf (tmpstr, "LOCAL FILE: %s\n", tailstr);
|
---|
743 | log_message (tmpstr);
|
---|
744 | }
|
---|
745 | send_file_from_disk (tailstr, RequestInfo, RequestFields);
|
---|
746 | }
|
---|
747 | }
|
---|
748 |
|
---|
749 | static void fix_prefix(char *dest, char *pref, char *suff)
|
---|
750 | {
|
---|
751 | strcpy(dest,pref);
|
---|
752 | if (*suff != '/') strcat(dest,"/");
|
---|
753 | if (strlen(dest) + strlen(suff) + 1 > MAX_URL_SIZE)
|
---|
754 | strcpy(dest,"http://gsdl/name-too-long");
|
---|
755 | else
|
---|
756 | strcat(dest,suff);
|
---|
757 | }
|
---|
758 |
|
---|
759 | int ExamineURIStr(char *URIStr,RequestInfoT *RequestInfo,
|
---|
760 | RequestFieldsT *RequestFields)
|
---|
761 | {
|
---|
762 | char *protocol, *machine, *rest; int port;
|
---|
763 | char URICopyA[MAX_URL_SIZE], URICopyB[MAX_URL_SIZE];
|
---|
764 | strcpy(URICopyA,URIStr);
|
---|
765 |
|
---|
766 | if (parse_url(URICopyA,&protocol,&machine,&port,&rest)!=http_ok) {
|
---|
767 | /* Alter local file request to address 'gsdl' */
|
---|
768 | fix_prefix(URICopyB, "http://gsdl", URIStr);
|
---|
769 | URIStr = URICopyB;
|
---|
770 | strcpy(URICopyA, URICopyB);
|
---|
771 | parse_url(URICopyA,&protocol,&machine,&port,&rest);
|
---|
772 | }
|
---|
773 |
|
---|
774 | if (strncmp(machine, "gsdl", 5) == 0) {
|
---|
775 | // a local file request
|
---|
776 | handle_server_request(rest, RequestInfo, RequestFields);
|
---|
777 |
|
---|
778 | } else {
|
---|
779 | send_retrieve_error(404, "File not found",
|
---|
780 | "Could not find the local file requested", RequestInfo);
|
---|
781 | }
|
---|
782 |
|
---|
783 | return 1;
|
---|
784 | }
|
---|