src/apps/client.cpp

   1 #include <sys/stat.h>
   2 #include <unistd.h>
   3
   4 #include <iostream>
   5 #include <fstream>
   6 #include <streambuf>
   7 #include <unordered_map>
   8
   9 #include "db/database.h"
  10 #include "db/mysql.h"
  11 #include "crypto/simpleOpensslSigner.h"
  12 #include "crypto/remoteSigner.h"
  13 #include "crypto/sslUtil.h"
  14 #include "util.h"
  15 #include "io/bios.h"
  16 #include "io/slipBio.h"
  17 #include "config.h"
  18
  19 #ifdef NO_DAEMON
  20 #define DAEMON false
  21 #else
  22 #define DAEMON true
  23 #endif
  24
  25 extern std::string keyDir;
  26 extern std::string sqlHost, sqlUser, sqlPass, sqlDB;
  27 extern std::string serialPath;
  28 extern std::unordered_map<std::string, std::shared_ptr<CAConfig>> CAs;
  29
  30 void checkCRLs( std::shared_ptr<Signer> sign ) {
  31     std::cout << "Signing CRLs" << std::endl;
  32
  33     for( auto& x : CAs ) {
  34         std::cout << "Checking: " << x.first << std::endl;
  35
  36         if( !x.second->crlNeedsResign() ) {
  37             std::cout << "Skipping Resigning CRL: " + x.second->name << std::endl;
  38             continue;
  39         }
  40
  41         std::cout << "Resigning CRL: " + x.second->name << std::endl;
  42
  43         try {
  44             std::vector<std::string> serials;
  45             std::pair<std::shared_ptr<CRL>, std::string> rev = sign->revoke( x.second, serials );
  46         } catch( const char* c ) {
  47             std::cout << "Exception: " << c << std::endl;
  48         }
  49     }
  50 }
  51
  52 int main( int argc, const char* argv[] ) {
  53     bool once = false;
  54
  55     if( argc == 2 && std::string( "--once" ) == argv[1] ) {
  56         once = true;
  57     }
  58
  59     std::string path;
  60
  61 #ifdef NDEBUG
  62     path = "/etc/cacert/cassiopeia/cassiopeia.conf";
  63 #else
  64     path = "config.txt";
  65 #endif
  66
  67     if( parseConfig( path ) != 0 ) {
  68         return -1;
  69     }
  70
  71     if( serialPath == "" ) {
  72         std::cout << "Error: no serial device is given" << std::endl;
  73         return -1;
  74     }
  75
  76     std::shared_ptr<JobProvider> jp( new MySQLJobProvider( sqlHost, sqlUser, sqlPass, sqlDB ) );
  77     std::shared_ptr<BIO> b = openSerial( serialPath );
  78     std::shared_ptr<BIO> slip1( BIO_new( toBio<SlipBIO>() ), BIO_free );
  79     static_cast<SlipBIO*>( slip1->ptr )->setTarget( std::shared_ptr<OpensslBIO>( new OpensslBIOWrapper( b ) ) );
  80     std::shared_ptr<RemoteSigner> sign( new RemoteSigner( slip1, generateSSLContext( false ) ) );
  81     // std::shared_ptr<Signer> sign( new SimpleOpensslSigner() );
  82
  83     time_t lastCRLCheck = 0;
  84
  85     while( true ) {
  86         time_t current;
  87         time( &current );
  88
  89         if( lastCRLCheck + 30 * 60 < current ) {
  90             // todo set good log TODO FIXME
  91             sign->setLog( std::shared_ptr<std::ostream>(
  92                 &std::cout,
  93                 []( std::ostream * o ) {
  94                     ( void ) o;
  95                 } ) );
  96             checkCRLs( sign );
  97             lastCRLCheck = current;
  98         }
  99
 100         std::shared_ptr<Job> job = jp->fetchJob();
 101
 102         if( !job ) {
 103             std::cout << "Nothing to work on" << std::endl;
 104             sleep( 5 );
 105             continue;
 106         }
 107
 108         std::shared_ptr<std::ofstream> logPtr = openLogfile( std::string( "logs/" ) + job->id + std::string( "_" ) + job->warning + std::string( ".log" ) );
 109
 110         std::ofstream& log = *( logPtr.get() );
 111
 112         sign->setLog( logPtr );
 113         log << "TASK ID: " << job->id << std::endl;
 114         log << "TRY: " << job->warning << std::endl;
 115         log << "TARGET: " << job->target << std::endl;
 116         log << "TASK: " << job->task << std::endl << std::endl;
 117
 118         if( job->task == "sign" ) {
 119             try {
 120                 std::shared_ptr<TBSCertificate> cert = jp->fetchTBSCert( job );
 121                 cert->wishFrom = job->from;
 122                 cert->wishTo = job->to;
 123                 log << "INFO: message digest: " << cert->md << std::endl;
 124                 log << "INFO: profile id: " << cert->profile << std::endl;
 125
 126                 for( auto& SAN : cert->SANs ) {
 127                     log << "INFO: SAN " << SAN->type << ": " << SAN->content;
 128                 }
 129
 130                 for( auto& AVA : cert->AVAs ) {
 131                     log << "INFO: AVA " << AVA->name << ": " << AVA->value;
 132                 }
 133
 134                 if( !cert ) {
 135                     std::cout << "wasn't able to load CSR" << std::endl;
 136                     jp->failJob( job );
 137                     continue;
 138                 }
 139
 140                 log << "FINE: Found the CSR at '" << cert->csr << "'" << std::endl;
 141                 cert->csr_content = readFile( keyDir + "/../" + cert->csr );
 142                 log << "FINE: CSR is " << std::endl << cert->csr_content << std::endl;
 143
 144                 std::shared_ptr<SignedCertificate> res = sign->sign( cert );
 145
 146                 if( !res ) {
 147                     log << "ERROR: The signer failed. There was no certificate." << std::endl;
 148                     jp->failJob( job );
 149                     continue;
 150                 }
 151
 152                 log << "FINE: CERTIFICATE LOG: " << res->log << std::endl;
 153                 log << "FINE: CERTIFICATE:" << std::endl << res->certificate << std::endl;
 154                 std::string fn = writeBackFile( job->target.c_str(), res->certificate, keyDir );
 155
 156                 if( fn.empty() ) {
 157                     log << "ERROR: Writeback of the certificate failed." << std::endl;
 158                     jp->failJob( job );
 159                     continue;
 160                 }
 161
 162                 res->crt_name = fn;
 163                 jp->writeBack( job, res ); //! \FIXME: Check return value
 164                 log << "FINE: signing done." << std::endl;
 165
 166                 if( DAEMON ) {
 167                     jp->finishJob( job );
 168                 }
 169
 170                 continue;
 171             } catch( const char* c ) {
 172                 log << "ERROR: " << c << std::endl;
 173             } catch( std::string& c ) {
 174                 log << "ERROR: " << c << std::endl;
 175             }
 176
 177             try {
 178                 jp->failJob( job );
 179             } catch( const char* c ) {
 180                 log << "ERROR: " << c << std::endl;
 181             } catch( std::string& c ) {
 182                 log << "ERROR: " << c << std::endl;
 183             }
 184         } else if( job->task == "revoke" ) {
 185             try {
 186                 auto data = jp->getRevocationInfo( job );
 187                 std::vector<std::string> serials;
 188                 serials.push_back( data.first );
 189                 std::pair<std::shared_ptr<CRL>, std::string> rev = sign->revoke( CAs.at( data.second ), serials );
 190                 std::string date = rev.second;
 191                 const unsigned char* pos = ( const unsigned char* ) date.data();
 192                 std::shared_ptr<ASN1_TIME> time( d2i_ASN1_TIME( NULL, &pos, date.size() ), ASN1_TIME_free );
 193
 194                 jp->writeBackRevocation( job, timeToString( time ) );
 195                 jp->finishJob( job );
 196             } catch( const char* c ) {
 197                 std::cout << "Exception: " << c << std::endl;
 198             } catch( const std::string& c ) {
 199                 std::cout << "Exception: " << c << std::endl;
 200             }
 201         } else {
 202             log << "Unknown job type" << job->task << std::endl;
 203             jp->failJob( job );
 204         }
 205
 206         if( !DAEMON || once ) {
 207             return 0;
 208         }
 209     }
 210 }