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 "log/logger.hpp"
  15 #include "util.h"
  16 #include "io/bios.h"
  17 #include "io/slipBio.h"
  18 #include "config.h"
  19
  20 #ifdef NO_DAEMON
  21 #define DAEMON false
  22 #else
  23 #define DAEMON true
  24 #endif
  25
  26 extern std::string keyDir;
  27 extern std::string sqlHost, sqlUser, sqlPass, sqlDB;
  28 extern std::string serialPath;
  29 extern std::unordered_map<std::string, std::shared_ptr<CAConfig>> CAs;
  30
  31 void checkCRLs( std::shared_ptr<Signer> sign ) {
  32
  33     logger::note( "Signing CRLs" );
  34
  35     for( auto& x : CAs ) {
  36         logger::notef( "Checking: %s ...", x.first );
  37
  38         if( !x.second->crlNeedsResign() ) {
  39             logger::warnf( "Skipping Resigning CRL: %s ...", x.second->name );
  40             continue;
  41         }
  42
  43         logger::notef( "Resigning CRL: %s ...", x.second->name );
  44
  45         try {
  46             std::vector<std::string> serials;
  47             std::pair<std::shared_ptr<CRL>, std::string> rev = sign->revoke( x.second, serials );
  48         } catch( const char* c ) {
  49             logger::error( "Exception: ", c );
  50         }
  51     }
  52 }
  53
  54 int main( int argc, const char* argv[] ) {
  55     bool once = false;
  56
  57     if( argc == 2 && std::string( "--once" ) == argv[1] ) {
  58         once = true;
  59     }
  60
  61     std::string path;
  62
  63 #ifdef NDEBUG
  64     path = "/etc/cacert/cassiopeia/cassiopeia.conf";
  65 #else
  66     path = "config.txt";
  67 #endif
  68
  69     if( parseConfig( path ) != 0 ) {
  70         logger::fatal( "Error: Could not parse the configuration file." );
  71         return -1;
  72     }
  73
  74     if( serialPath == "" ) {
  75         logger::fatal( "Error: no serial device is given!" );
  76         return -1;
  77     }
  78
  79     std::shared_ptr<JobProvider> jp( new MySQLJobProvider( sqlHost, sqlUser, sqlPass, sqlDB ) );
  80     std::shared_ptr<BIO> b = openSerial( serialPath );
  81     std::shared_ptr<BIO> slip1( BIO_new( toBio<SlipBIO>() ), BIO_free );
  82     static_cast<SlipBIO*>( slip1->ptr )->setTarget( std::shared_ptr<OpensslBIO>( new OpensslBIOWrapper( b ) ) );
  83     std::shared_ptr<RemoteSigner> sign( new RemoteSigner( slip1, generateSSLContext( false ) ) );
  84     // std::shared_ptr<Signer> sign( new SimpleOpensslSigner() );
  85
  86     time_t lastCRLCheck = 0;
  87
  88     while( true ) {
  89         time_t current;
  90         time( &current );
  91
  92         if( lastCRLCheck + 30 * 60 < current ) {
  93             // todo set good log TODO FIXME
  94             sign->setLog( std::shared_ptr<std::ostream>(
  95                 &std::cout,
  96                 []( std::ostream* o ) {
  97                     ( void ) o;
  98                 } ) );
  99             checkCRLs( sign );
 100             lastCRLCheck = current;
 101         }
 102
 103         std::shared_ptr<Job> job = jp->fetchJob();
 104
 105         if( !job ) {
 106             logger::debug( "Nothing to work on." );
 107             sleep( 5 );
 108             continue;
 109         }
 110
 111         std::shared_ptr<std::ofstream> logPtr = openLogfile( std::string( "logs/" ) + job->id + std::string( "_" ) + job->warning + std::string( ".log" ) );
 112
 113         std::ofstream& log = *( logPtr.get() );
 114
 115         sign->setLog( logPtr );
 116         logger::note( "TASK ID: ", job->id );
 117         logger::note( "TRY:     ", job->warning );
 118         logger::note( "TARGET:  ", job->target );
 119         logger::note( "TASK:    ", job->task );
 120
 121         if( job->task == "sign" ) {
 122             try {
 123                 std::shared_ptr<TBSCertificate> cert = jp->fetchTBSCert( job );
 124                 cert->wishFrom = job->from;
 125                 cert->wishTo = job->to;
 126                 logger::note( "INFO: Message Digest: ", cert->md );
 127                 logger::note( "INFO: Profile ID: ", cert->profile );
 128
 129                 for( auto& SAN : cert->SANs ) {
 130                     logger::notef( "INFO: SAN %s: %s", SAN->type, SAN->content );
 131                 }
 132
 133                 for( auto& AVA : cert->AVAs ) {
 134                     logger::notef( "INFO: AVA %s: %s", AVA->name, AVA->value );
 135                 }
 136
 137                 if( !cert ) {
 138                     logger::error( "Unable to load CSR" );
 139                     jp->failJob( job );
 140                     continue;
 141                 }
 142
 143                 logger::notef( "FINE: Found the CSR at '%s'", cert->csr );
 144                 cert->csr_content = readFile( keyDir + "/../" + cert->csr );
 145                 logger::note( "FINE: CSR content:\n", cert->csr_content );
 146
 147                 std::shared_ptr<SignedCertificate> res = sign->sign( cert );
 148
 149                 if( !res ) {
 150                     logger::error( "ERROR: The signer failed. No certificate was returned." );
 151                     jp->failJob( job );
 152                     continue;
 153                 }
 154
 155                 logger::note( "FINE: CERTIFICATE LOG:\n", res->log );
 156                 logger::note( "FINE: CERTIFICATE:\n", res->certificate );
 157                 std::string fn = writeBackFile( job->target.c_str(), res->certificate, keyDir );
 158
 159                 if( fn.empty() ) {
 160                     logger::error( "ERROR: Writeback of the certificate failed." );
 161                     jp->failJob( job );
 162                     continue;
 163                 }
 164
 165                 res->crt_name = fn;
 166                 jp->writeBack( job, res ); //! \FIXME: Check return value
 167                 logger::note( "FINE: signing done." );
 168
 169                 if( DAEMON ) {
 170                     jp->finishJob( job );
 171                 }
 172
 173                 continue;
 174             } catch( const char* c ) {
 175                 logger::error( "ERROR: ", c );
 176             } catch( std::string& c ) {
 177                 logger::error( "ERROR: ", c );
 178             }
 179
 180             try {
 181                 jp->failJob( job );
 182             } catch( const char* c ) {
 183                 logger::error( "ERROR: ", c );
 184             } catch( std::string& c ) {
 185                 logger::error( "ERROR: ", c );
 186             }
 187         } else if( job->task == "revoke" ) {
 188             try {
 189                 auto data = jp->getRevocationInfo( job );
 190                 std::vector<std::string> serials;
 191                 serials.push_back( data.first );
 192                 std::pair<std::shared_ptr<CRL>, std::string> rev = sign->revoke( CAs.at( data.second ), serials );
 193                 std::string date = rev.second;
 194                 const unsigned char* pos = ( const unsigned char* ) date.data();
 195                 std::shared_ptr<ASN1_TIME> time( d2i_ASN1_TIME( NULL, &pos, date.size() ), ASN1_TIME_free );
 196
 197                 jp->writeBackRevocation( job, timeToString( time ) );
 198                 jp->finishJob( job );
 199             } catch( const char* c ) {
 200                 logger::error( "Exception: ", c );
 201             } catch( const std::string& c ) {
 202                 logger::error( "Exception: ", c );
 203             }
 204         } else {
 205             logger::errorf( "Unknown job type (\"%s\")", job->task );
 206             jp->failJob( job );
 207         }
 208
 209         if( !DAEMON || once ) {
 210             return 0;
 211         }
 212     }
 213 }