1 | #include <iostream>
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2 | #include <fstream>
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3 | #include <iomanip>
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4 | #include <string.h>
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5 | #include <cstdlib>
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6 | #include <sstream>
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7 | using namespace std;
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8 |
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9 | #ifndef CDROM
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10 | #include "wrapper.h"
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11 | #include "libsearch4j.h"
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12 | bool extract_bundled_file( const char[], int, char*, bool );
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13 | #else
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14 | bool prep_java( string wd );
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15 | #endif
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16 |
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17 | void usage( char* progname, int exitvalue = -1 ) {
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18 | cerr
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19 | << "Usage: " << progname << " [OPTIONS]" << endl
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20 | << "OPTIONS: " << endl
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21 | << " -h, -help Display this usage message" << endl
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22 | << " -text Do a non-graphical command line installation" << endl;
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23 | #ifdef CDROM
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24 | cerr << " -wd PATH Look for the CD-ROM at PATH" << endl;
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25 | #endif
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26 |
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27 | exit( exitvalue );
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28 | }
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29 |
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30 | int main(int argc, char** argv) {
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31 |
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32 | char wdc[1024];
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33 | getcwd(wdc, sizeof(wdc));
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34 | string wd = "";
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35 | wd.append( wdc );
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36 |
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37 | string scratch = (getenv("TMPDIR") == NULL) ? "/tmp" : getenv("TMPDIR");
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38 | string tempdir = scratch + "/greenstone-installer.tmp"; //temporary directory where we will store extracted files
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39 | bool succeeded = false;
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40 | bool text_mode = false;
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41 |
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42 | //parse arguments
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43 | string a;
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44 | for ( int i=1; i<argc; i++ ) {
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45 | a = argv[i];
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46 | if ( a.compare("-wd") == 0 ) {
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47 | wd = "";
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48 | wd.append( argv[++i] );
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49 | } else if ( a.compare("-h") == 0 || a.compare("-help") == 0 || a.compare("--help") == 0) {
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50 | usage( argv[0], 0 );
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51 | } else if ( a.compare("-text") == 0 || a.compare("text") == 0 ) {
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52 | text_mode = true;
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53 | } else {
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54 | cerr << "Unrecognised option '" << a << "'" << endl;
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55 | usage(argv[0]);
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56 | }
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57 | }
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58 |
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59 | #ifdef CDROM
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60 | //ensure working directory is correct
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61 | FILE* pFile;
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62 | pFile = fopen( (wd+"/Software/core/all/uninst.jar").c_str(), "r");
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63 | if ( pFile == NULL ) {
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64 | cerr << "Could not find cdrom at '" << wd << "'." << endl;
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65 | cerr << "Please enter the path the CDROM [/media/cdrom]: ";
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66 | getline(cin, wd);
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67 | if ( wd.compare("") == 0 ) {
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68 | wd = "/media/cdrom";
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69 | }
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70 | } else {
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71 | fclose(pFile);
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72 | }
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73 |
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74 | pFile = fopen( (wd+"/Software/core/all/uninst.jar").c_str(), "r");
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75 | if ( pFile == NULL ) {
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76 | cerr << "Could not find cdrom at '"<< wd << "'." << endl;
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77 | cerr << "Please run the installer again" << endl;
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78 | exit(-1);
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79 | } else {
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80 | fclose(pFile);
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81 | }
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82 | #endif
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83 |
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84 | //create the temp folder
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85 | cout << "Creating temp directory..." << endl;
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86 | succeeded = ( 0 == system( ("mkdir " + tempdir).c_str() ) );
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87 | if ( !succeeded ) {
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88 | cerr << "Failed to create the temp directory '" << tempdir << "'. " <<
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89 | "Check that it does not already exist. Also check that you have write " <<
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90 | "permissions to '" << scratch << "', or set the environment variable TMPDIR to " <<
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91 | "a directory where you do have write permissions." << endl <<
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92 | "Exiting" << endl;
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93 | return 1;
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94 | }
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95 |
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96 | #ifndef CDROM
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97 |
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98 | string jarfile = tempdir + "/greenstone.jar"; //where we will store the jar file
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99 | string javafile = tempdir + "/@java.installer@"; //where we will store the java tar file
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100 |
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101 |
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102 | //extract files
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103 | cout << "Extracting installer jar..." << endl;
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104 | succeeded = extract_bundled_file( greenstonejar, sizeof(greenstonejar), (char*)jarfile.c_str(), false);
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105 |
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106 | #ifdef java_is_bundled
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107 | cout << "Preparing Greenstone installer..." << endl;
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108 | succeeded = extract_bundled_file( java, sizeof(java), (char*)javafile.c_str(), true ) && succeeded;
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109 | #endif
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110 |
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111 | if ( !succeeded ) {
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112 | cerr << "Failed to extract one or more resources" << endl;
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113 | cerr << "This installer may not have sufficient file permissions to write it to disk" << endl;
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114 | cerr << "Or, the files may be corrupt or missing from this executable" << endl;
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115 | cerr << "Exiting" << endl;
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116 | return 1;
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117 | }
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118 |
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119 | #endif
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120 |
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121 | //change to the temp directory
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122 | chdir( tempdir.c_str() );
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123 |
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124 |
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125 | #ifndef CDROM
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126 | #ifdef java_is_bundled
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127 | succeeded = (system( "/bin/sh -c ./@java.installer@ > /dev/null" ) == 0);
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128 | succeeded = succeeded && ( system( "tar -xf jre.tar" ) == 0 );
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129 | if ( !succeeded ) {
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130 | cout << "Failed to extract the bundled java archive to the temp directory" << endl;
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131 | cout << "You need the tar program on your PATH" << endl;
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132 | cout << "Exiting" << endl;
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133 | return 1;
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134 | }
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135 | #endif
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136 |
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137 | //check if an appropriate java is found
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138 | Jvm minimum; minimum.setVersionFromString( "@java.min.version@" );
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139 | string phint = "./@java.extracted@";
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140 | string hint = "";
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141 | Jvm foundJvm;
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142 | bool jvmFound = find( foundJvm, true, minimum, false, false, phint, hint, false );
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143 |
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144 | //if the jvm was not found, report not found
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145 | if ( !jvmFound ) {
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146 |
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147 | //did not find a good java
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148 | cout << "Greenstone requires java @java.min.version@ or greater." << endl;
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149 |
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150 | //tell them if java is absent or just too old
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151 | Jvm tmpJvm;
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152 | if ( find( tmpJvm, false, minimum, false, false, phint, hint, false ) ) {
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153 | cout << "You have java, but it is too old." << endl;
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154 | } else {
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155 | cout << "Could not find java on your system." << endl;
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156 | }
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157 |
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158 | cout << "Install java (@java.min.version@ or greater) and set JAVA_HOME or JRE_HOME, and try again" << endl;
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159 | #ifndef java_is_bundled
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160 | cout << "Or, download a greentsone3 installer with bundled java and use that instead of this one" << endl;
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161 | #endif
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162 |
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163 | //if we have found it, launch the installer
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164 | } else {
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165 |
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166 | cout << "Launching Installer ..." << endl;
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167 | int launch_exit_code = 0;
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168 | launch_exit_code = system( (foundJvm.getExecutable() + " -Xmx85M -jar greenstone.jar" + (text_mode?" text":"") ).c_str() );
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169 |
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170 | //report how it went
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171 | if ( launch_exit_code == 0 ) {
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172 | cout << "Setup complete" << endl;
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173 | } else {
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174 | cout << "The installer exited with an error" << endl;
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175 | cout << "Greenstone may not be correctly installed" << endl;
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176 | }
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177 |
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178 | }
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179 | #else
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180 | bool java_ready = prep_java( wd );
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181 | if ( java_ready ) {
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182 | string cmd = "./jre/bin/java -Dorig.dir=\"" + wd + "\" -jar " + wd + "/Java/Jars/linux.jar" + (text_mode?" text":"");
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183 | system( cmd.c_str() );
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184 | }
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185 | #endif
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186 |
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187 | //change to the scratch dir for the following operation
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188 | chdir(scratch.c_str());
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189 |
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190 | //delete the temp files
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191 | cout << "Deleting the temp directory" << endl;
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192 | system( ("rm -rf " + tempdir).c_str() );
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193 |
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194 | return 0;
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195 |
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196 | }
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197 | #ifndef CDROM
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198 | bool extract_bundled_file( const char data[], int size, char* filename, bool make_executable) {
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199 |
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200 | if ( size == 0 ) return false;
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201 |
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202 | //delete the file if it exists
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203 | remove( filename );
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204 |
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205 | //open the file
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206 | fstream binary_file( filename, ios::out|ios::binary );
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207 | if ( !binary_file.good() ) {
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208 | binary_file.close();
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209 | return false;
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210 | }
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211 |
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212 | //write the file
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213 | binary_file.write( data, size );
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214 | if ( !binary_file.good() ) {
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215 | binary_file.close();
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216 | return false;
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217 | }
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218 |
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219 | //close the file
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220 | binary_file.close();
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221 | if ( !binary_file.good() ) {
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222 | binary_file.close();
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223 | return false;
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224 | }
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225 |
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226 | if ( make_executable ) {
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227 | string command = "chmod a+x " + string(filename);
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228 | system( command.c_str() );
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229 | }
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230 |
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231 | return true;
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232 |
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233 | }
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234 | #else
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235 |
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236 | bool prep_java( string wd ) {
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237 |
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238 |
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239 | string jTestCmd = "./jre/bin/java -version >/dev/null 2>&1";
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240 |
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241 | //try to extract straight off cd
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242 | string j1cmd = wd + "/Java/Linux/jre_bin && tar -xf jre.tar && " + jTestCmd;
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243 | int j1status = system(j1cmd.c_str());
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244 | system("/bin/rm -f jre.tar");
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245 |
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246 | if (WEXITSTATUS(j1status)!=0) {
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247 | cerr << "Unable to extract java straight off CD-ROM." << endl;
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248 | cerr << "This is probably because your CD-ROM was mounted with 'noexec'." << endl;
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249 | cerr << "It can be changed by a system administrator" << endl << endl;
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250 | cerr << "Copying Java to local disk so it can be run" << endl;
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251 |
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252 | string cdtar_home = wd + "/Java/Linux/";
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253 | string tcmd = "(cd \"" + cdtar_home + "\" ; tar cf - jre_bin )";
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254 | tcmd += "| tar xvf - ";
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255 | //tcmd += "| awk 'BEGIN{C=0}{C++; printf(\".\"); if (C%70==0) printf(\"\\n\");}END{printf(\"\\n\")}'";
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256 |
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257 | int tstatus = system(tcmd.c_str());
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258 |
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259 | if (WEXITSTATUS(tstatus)!=0) {
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260 | cerr << "Failed to copy Java to disk" << endl;
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261 | cerr << "Please make sure you have write permissions in the directory where you run the installer" << endl;
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262 | }
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263 | else {
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264 |
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265 | string j2cmd = "./jre_bin && tar -xf jre.tar && " + jTestCmd;
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266 | int j2status = system(j2cmd.c_str());
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267 | system("/bin/rm -f jre.tar jre_bin");
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268 |
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269 | if (WEXITSTATUS(j2status)!=0) {
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270 | cerr << "Unable to run copied Java" << endl;
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271 | return false;
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272 | }
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273 | }
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274 | }
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275 |
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276 | // to get to here, full_java must be set (and working)
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277 |
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278 | return true;
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279 | }
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280 |
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281 | #endif
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