git.sur5r.net Git - openldap/blob - servers/slapd/main.c

   1 #include "portable.h"
   2
   3 #include <stdio.h>
   4
   5 #include <ac/socket.h>
   6 #include <ac/string.h>
   7 #include <ac/time.h>
   8 #include <ac/unistd.h>
   9
  10 #include "ldapconfig.h"
  11 #include "slap.h"
  12 #include "lutil.h"                      /* Get lutil_detach() */
  13
  14 static void
  15 usage( char *name )
  16 {
  17         fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]\n", name );
  18 }
  19
  20 int
  21 main( int argc, char **argv )
  22 {
  23         int             i;
  24         int             inetd = 0;
  25         int             port;
  26         char            *myname;
  27         int             udp;
  28         Backend         *be = NULL;
  29         FILE            *fp = NULL;
  30         char            *configfile;
  31
  32         configfile = SLAPD_DEFAULT_CONFIGFILE;
  33         port = LDAP_PORT;
  34         g_argc = argc;
  35         g_argv = argv;
  36
  37         while ( (i = getopt( argc, argv, "d:f:ip:s:u" )) != EOF ) {
  38                 switch ( i ) {
  39 #ifdef LDAP_DEBUG
  40                 case 'd':       /* turn on debugging */
  41                         if ( optarg[0] == '?' ) {
  42                                 printf( "Debug levels:\n" );
  43                                 printf( "\tLDAP_DEBUG_TRACE\t%d\n",
  44                                     LDAP_DEBUG_TRACE );
  45                                 printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
  46                                     LDAP_DEBUG_PACKETS );
  47                                 printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
  48                                     LDAP_DEBUG_ARGS );
  49                                 printf( "\tLDAP_DEBUG_CONNS\t%d\n",
  50                                     LDAP_DEBUG_CONNS );
  51                                 printf( "\tLDAP_DEBUG_BER\t\t%d\n",
  52                                     LDAP_DEBUG_BER );
  53                                 printf( "\tLDAP_DEBUG_FILTER\t%d\n",
  54                                     LDAP_DEBUG_FILTER );
  55                                 printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
  56                                     LDAP_DEBUG_CONFIG );
  57                                 printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
  58                                     LDAP_DEBUG_ACL );
  59                                 printf( "\tLDAP_DEBUG_STATS\t%d\n",
  60                                     LDAP_DEBUG_STATS );
  61                                 printf( "\tLDAP_DEBUG_STATS2\t%d\n",
  62                                     LDAP_DEBUG_STATS2 );
  63                                 printf( "\tLDAP_DEBUG_SHELL\t%d\n",
  64                                     LDAP_DEBUG_SHELL );
  65                                 printf( "\tLDAP_DEBUG_PARSE\t%d\n",
  66                                     LDAP_DEBUG_PARSE );
  67                                 printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
  68                                     LDAP_DEBUG_ANY );
  69                                 exit( 0 );
  70                         } else {
  71                                 ldap_debug |= atoi( optarg );
  72                                 lber_debug = (ldap_debug & LDAP_DEBUG_BER);
  73                         }
  74                         break;
  75 #else
  76                 case 'd':       /* turn on debugging */
  77                         fprintf( stderr,
  78                             "must compile with LDAP_DEBUG for debugging\n" );
  79                         break;
  80 #endif
  81
  82                 case 'f':       /* read config file */
  83                         configfile = ch_strdup( optarg );
  84                         break;
  85
  86                 case 'i':       /* run from inetd */
  87                         inetd = 1;
  88                         break;
  89
  90                 case 'p':       /* port on which to listen */
  91                         port = atoi( optarg );
  92                         break;
  93
  94                 case 's':       /* set syslog level */
  95                         ldap_syslog = atoi( optarg );
  96                         break;
  97
  98                 case 'u':       /* do udp */
  99                         udp = 1;
 100                         break;
 101
 102                 default:
 103                         usage( argv[0] );
 104                         exit( 1 );
 105                 }
 106         }
 107
 108         Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
 109
 110         if ( (myname = strrchr( argv[0], '/' )) == NULL ) {
 111                 myname = ch_strdup( argv[0] );
 112         } else {
 113                 myname = ch_strdup( myname + 1 );
 114         }
 115
 116         if ( ! inetd ) {
 117                 /* pre-open config file before detach in case it is a relative path */
 118                 fp = fopen( configfile, "r" );
 119 #ifdef LDAP_DEBUG
 120                 lutil_detach( ldap_debug, 0 );
 121 #else
 122                 lutil_detach( 0, 0 );
 123 #endif
 124         }
 125 #ifdef LOG_LOCAL4
 126         openlog( myname, OPENLOG_OPTIONS, LOG_LOCAL4 );
 127 #else
 128         openlog( myname, OPENLOG_OPTIONS );
 129 #endif
 130
 131         init();
 132         read_config( configfile, &be, fp );
 133
 134         if ( ! inetd ) {
 135                 int             status;
 136
 137                 time( &starttime );
 138
 139                 if ( pthread_create( &listener_tid, NULL, slapd_daemon,
 140                     (void *) port ) != 0 ) {
 141                         Debug( LDAP_DEBUG_ANY,
 142                             "listener pthread_create failed\n", 0, 0, 0 );
 143                         exit( 1 );
 144                 }
 145
 146 #ifdef HAVE_PHREADS_FINAL
 147                 pthread_join( listener_tid, (void *) NULL );
 148 #else
 149                 pthread_join( listener_tid, (void *) &status );
 150 #endif
 151
 152                 return 0;
 153
 154         } else {
 155                 Connection              c;
 156                 Operation               *o;
 157                 BerElement              ber;
 158                 unsigned long           len, tag;
 159                 long                    msgid;
 160                 int                     flen;
 161                 struct sockaddr_in      from;
 162                 struct hostent          *hp;
 163
 164                 c.c_dn = NULL;
 165                 c.c_ops = NULL;
 166                 c.c_sb.sb_sd = 0;
 167                 c.c_sb.sb_options = 0;
 168                 c.c_sb.sb_naddr = udp ? 1 : 0;
 169                 c.c_sb.sb_ber.ber_buf = NULL;
 170                 c.c_sb.sb_ber.ber_ptr = NULL;
 171                 c.c_sb.sb_ber.ber_end = NULL;
 172                 pthread_mutex_init( &c.c_dnmutex, pthread_mutexattr_default );
 173                 pthread_mutex_init( &c.c_opsmutex, pthread_mutexattr_default );
 174                 pthread_mutex_init( &c.c_pdumutex, pthread_mutexattr_default );
 175 #ifdef notdefcldap
 176                 c.c_sb.sb_addrs = (void **) saddrlist;
 177                 c.c_sb.sb_fromaddr = &faddr;
 178                 c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
 179 #endif
 180                 flen = sizeof(from);
 181                 if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
 182 #ifdef SLAPD_RLOOKUPS
 183                         hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
 184                             sizeof(from.sin_addr.s_addr), AF_INET );
 185 #else
 186                         hp = NULL;
 187 #endif
 188
 189                         Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
 190                             hp == NULL ? "unknown" : hp->h_name,
 191                             inet_ntoa( from.sin_addr ), 0 );
 192
 193                         c.c_addr = inet_ntoa( from.sin_addr );
 194                         c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
 195                 } else {
 196                         Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
 197                             0, 0, 0 );
 198                 }
 199
 200                 ber_init( &ber, 0 );
 201                 while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
 202                     == LDAP_TAG_MESSAGE ) {
 203                         pthread_mutex_lock( &currenttime_mutex );
 204                         time( &currenttime );
 205                         pthread_mutex_unlock( &currenttime_mutex );
 206
 207                         if ( (tag = ber_get_int( &ber, &msgid ))
 208                             != LDAP_TAG_MSGID ) {
 209                                 /* log and send error */
 210                                 Debug( LDAP_DEBUG_ANY,
 211                                    "ber_get_int returns 0x%lx\n", tag, 0, 0 );
 212                                 ber_free( &ber, 1 );
 213                                 return 1;
 214                         }
 215
 216                         if ( (tag = ber_peek_tag( &ber, &len ))
 217                             == LBER_ERROR ) {
 218                                 /* log, close and send error */
 219                                 Debug( LDAP_DEBUG_ANY,
 220                                    "ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
 221                                 ber_free( &ber, 1 );
 222                                 close( c.c_sb.sb_sd );
 223                                 c.c_sb.sb_sd = -1;
 224                                 return 1;
 225                         }
 226
 227                         connection_activity( &c );
 228
 229                         ber_free( &ber, 1 );
 230                 }
 231         }
 232         return 1;
 233 }