| 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 | string get_full_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 + "/@[email protected]"; //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( @installer.name@jar, sizeof(@installer.name@jar), (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 @[email protected]" + (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 | string java_executable = get_full_java( wd );
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| 181 | string cmd = java_executable + " -Dorig.dir=\"" + wd + "\" -jar " + wd + "/Java/Jars/linux.jar" + (text_mode?" text":"");
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| 182 | system( cmd.c_str() );
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| 183 | #endif
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| 184 |
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| 185 | //change to the scratch dir for the following operation
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| 186 | chdir(scratch.c_str());
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| 187 |
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| 188 | //delete the temp files
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| 189 | cout << "Deleting the temp directory" << endl;
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| 190 | system( ("rm -rf " + tempdir).c_str() );
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| 191 |
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| 192 | return 0;
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| 193 |
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| 194 | }
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| 195 | #ifndef CDROM
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| 196 | bool extract_bundled_file( const char data[], int size, char* filename, bool make_executable) {
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| 197 |
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| 198 | if ( size == 0 ) return false;
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| 199 |
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| 200 | //delete the file if it exists
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| 201 | remove( filename );
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| 202 |
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| 203 | //open the file
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| 204 | fstream binary_file( filename, ios::out|ios::binary );
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| 205 | if ( !binary_file.good() ) {
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| 206 | binary_file.close();
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| 207 | return false;
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| 208 | }
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| 209 |
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| 210 | //write the file
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| 211 | binary_file.write( data, size );
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| 212 | if ( !binary_file.good() ) {
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| 213 | binary_file.close();
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| 214 | return false;
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| 215 | }
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| 216 |
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| 217 | //close the file
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| 218 | binary_file.close();
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| 219 | if ( !binary_file.good() ) {
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| 220 | binary_file.close();
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| 221 | return false;
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| 222 | }
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| 223 |
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| 224 | if ( make_executable ) {
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| 225 | string command = "chmod a+x " + string(filename);
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| 226 | system( command.c_str() );
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| 227 | }
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| 228 |
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| 229 | return true;
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| 230 |
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| 231 | }
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| 232 | #else
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| 233 |
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| 234 | string get_full_java( string wd ) {
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| 235 | string full_java = "";
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| 236 |
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| 237 | string cdrom_java = "/Java/Linux/jre/bin/java";
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| 238 |
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| 239 | full_java = wd + cdrom_java;
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| 240 |
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| 241 | string j1cmd = "\""+full_java+"\" -version >/dev/null 2>&1";
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| 242 | int j1status = system(j1cmd.c_str());
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| 243 |
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| 244 | if (WEXITSTATUS(j1status)!=0) {
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| 245 | cerr << "Unable to run Java executable from CD-ROM." << endl;
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| 246 | cerr << "This is probably because your CD-ROM was mounted with 'noexec'." << endl;
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| 247 | cerr << "It can be changed by a system administrator" << endl << endl;
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| 248 | cerr << "Copying Java to local disk so it can be run" << endl;
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| 249 |
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| 250 | string cdtar_home = wd + "/Java/Linux/";
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| 251 | string tcmd = "(cd \"" + cdtar_home + "\" ; tar cf - jre )";
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| 252 | tcmd += "| tar xvf - ";
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| 253 | tcmd += "| awk 'BEGIN{C=0}{C++; printf(\".\"); if (C%70==0) printf(\"\\n\");}END{printf(\"\\n\")}'";
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| 254 |
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| 255 | int tstatus = system(tcmd.c_str());
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| 256 |
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| 257 | if (WEXITSTATUS(tstatus)!=0) {
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| 258 | cerr << "Failed to copy Java to disk" << endl;
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| 259 | cerr << "Please make sure you have write permissions in the directory where you run the installer" << endl;
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| 260 | }
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| 261 | else {
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| 262 | full_java = "./jre/bin/java";
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| 263 | string j2cmd = full_java +" -version >/dev/null 2>&1";
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| 264 |
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| 265 | int j2status = system(j2cmd.c_str());
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| 266 |
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| 267 | if (WEXITSTATUS(j2status)!=0) {
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| 268 | cerr << "Unable to run copied Java" << endl;
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| 269 | system("/bin/rm -rf jre");
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| 270 | exit(-1);
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| 271 | }
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| 272 | }
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| 273 | }
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| 274 |
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| 275 | // to get to here, full_java must be set (and working)
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| 276 |
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| 277 | return full_java;
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| 278 | }
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| 279 |
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| 280 | #endif
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