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

   1 #include "portable.h"
   2
   3 #include <stdio.h>
   4
   5 #include <ac/signal.h>
   6 #include <ac/socket.h>
   7 #include <ac/string.h>
   8 #include <ac/time.h>
   9 #include <ac/unistd.h>
  10
  11 #include "ldapconfig.h"
  12 #include "slap.h"
  13 #include "lutil.h"                      /* Get lutil_detach() */
  14
  15 /*
  16  * when more than one slapd is running on one machine, each one might have
  17  * it's own LOCAL for syslogging and must have its own pid/args files
  18  */
  19
  20 #ifdef LOG_LOCAL4
  21
  22 #define DEFAULT_SYSLOG_USER  LOG_LOCAL4
  23
  24 typedef struct _str2intDispatch {
  25
  26         char    *stringVal;
  27         int      abbr;
  28         int      intVal;
  29
  30 } STRDISP, *STRDISP_P;
  31
  32
  33 /* table to compute syslog-options to integer */
  34 static STRDISP  syslog_types[] = {
  35
  36     { "LOCAL0",         6, LOG_LOCAL0 },
  37     { "LOCAL1",         6, LOG_LOCAL1 },
  38     { "LOCAL2",         6, LOG_LOCAL2 },
  39     { "LOCAL3",         6, LOG_LOCAL3 },
  40     { "LOCAL4",         6, LOG_LOCAL4 },
  41     { "LOCAL5",         6, LOG_LOCAL5 },
  42     { "LOCAL6",         6, LOG_LOCAL6 },
  43     { "LOCAL7",         6, LOG_LOCAL7 },
  44     NULL
  45
  46 };
  47
  48 static int   cnvt_str2int();
  49
  50 #endif  /* LOG_LOCAL4 */
  51
  52
  53 static void
  54 usage( char *name )
  55 {
  56         fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]", name );
  57 #ifdef LOG_LOCAL4
  58     fprintf( stderr, " [-l sysloguser]" );
  59 #endif
  60     fprintf( stderr, "\n" );
  61 }
  62
  63 int
  64 main( int argc, char **argv )
  65 {
  66         int             i;
  67         int             inetd = 0;
  68         int             port;
  69         int             udp;
  70         Backend         *be = NULL;
  71         FILE            *fp = NULL;
  72         char            *configfile;
  73         char    *serverName;
  74 #ifdef LOG_LOCAL4
  75         int     syslogUser = DEFAULT_SYSLOG_USER;
  76 #endif
  77
  78         configfile = SLAPD_DEFAULT_CONFIGFILE;
  79         port = LDAP_PORT;
  80         g_argc = argc;
  81         g_argv = argv;
  82
  83         while ( (i = getopt( argc, argv, "d:f:ip:s:u" )) != EOF ) {
  84                 switch ( i ) {
  85 #ifdef LDAP_DEBUG
  86                 case 'd':       /* turn on debugging */
  87                         if ( optarg[0] == '?' ) {
  88                                 printf( "Debug levels:\n" );
  89                                 printf( "\tLDAP_DEBUG_TRACE\t%d\n",
  90                                     LDAP_DEBUG_TRACE );
  91                                 printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
  92                                     LDAP_DEBUG_PACKETS );
  93                                 printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
  94                                     LDAP_DEBUG_ARGS );
  95                                 printf( "\tLDAP_DEBUG_CONNS\t%d\n",
  96                                     LDAP_DEBUG_CONNS );
  97                                 printf( "\tLDAP_DEBUG_BER\t\t%d\n",
  98                                     LDAP_DEBUG_BER );
  99                                 printf( "\tLDAP_DEBUG_FILTER\t%d\n",
 100                                     LDAP_DEBUG_FILTER );
 101                                 printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
 102                                     LDAP_DEBUG_CONFIG );
 103                                 printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
 104                                     LDAP_DEBUG_ACL );
 105                                 printf( "\tLDAP_DEBUG_STATS\t%d\n",
 106                                     LDAP_DEBUG_STATS );
 107                                 printf( "\tLDAP_DEBUG_STATS2\t%d\n",
 108                                     LDAP_DEBUG_STATS2 );
 109                                 printf( "\tLDAP_DEBUG_SHELL\t%d\n",
 110                                     LDAP_DEBUG_SHELL );
 111                                 printf( "\tLDAP_DEBUG_PARSE\t%d\n",
 112                                     LDAP_DEBUG_PARSE );
 113                                 printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
 114                                     LDAP_DEBUG_ANY );
 115                                 exit( 0 );
 116                         } else {
 117                                 ldap_debug |= atoi( optarg );
 118                                 lber_debug = (ldap_debug & LDAP_DEBUG_BER);
 119                         }
 120                         break;
 121 #else
 122                 case 'd':       /* turn on debugging */
 123                         fprintf( stderr,
 124                             "must compile with LDAP_DEBUG for debugging\n" );
 125                         break;
 126 #endif
 127
 128                 case 'f':       /* read config file */
 129                         configfile = ch_strdup( optarg );
 130                         break;
 131
 132                 case 'i':       /* run from inetd */
 133                         inetd = 1;
 134                         break;
 135
 136                 case 'p':       /* port on which to listen */
 137                         port = atoi( optarg );
 138                         break;
 139
 140                 case 's':       /* set syslog level */
 141                         ldap_syslog = atoi( optarg );
 142                         break;
 143
 144 #ifdef LOG_LOCAL4
 145
 146                 case 'l':       /* set syslog local user */
 147                         syslogUser = cnvt_str2int( optarg, syslog_types,
 148                                            DEFAULT_SYSLOG_USER );
 149                         break;
 150
 151 #endif
 152
 153                 case 'u':       /* do udp */
 154                         udp = 1;
 155                         break;
 156
 157                 default:
 158                         usage( argv[0] );
 159                         exit( 1 );
 160                 }
 161         }
 162
 163         Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
 164
 165         if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
 166                 serverName = ch_strdup( argv[0] );
 167         } else {
 168                 serverName = ch_strdup( serverName + 1 );
 169         }
 170
 171         if ( ! inetd ) {
 172                 /* pre-open config file before detach in case it is a relative path */
 173                 fp = fopen( configfile, "r" );
 174 #ifdef LDAP_DEBUG
 175                 lutil_detach( ldap_debug, 0 );
 176 #else
 177                 lutil_detach( 0, 0 );
 178 #endif
 179         }
 180
 181 #ifdef LOG_LOCAL4
 182         openlog( serverName, OPENLOG_OPTIONS, syslogUser );
 183 #else
 184         openlog( serverName, OPENLOG_OPTIONS );
 185 #endif
 186
 187         init();
 188         read_config( configfile, &be, fp );
 189
 190         if ( ! inetd ) {
 191                 int             status;
 192
 193                 (void) SIGNAL( SIGPIPE, SIG_IGN );
 194                 (void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
 195                 (void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
 196                 (void) SIGNAL( SIGTERM, slap_set_shutdown );
 197                 (void) SIGNAL( SIGINT, slap_set_shutdown );
 198                 (void) SIGNAL( SIGHUP, slap_set_shutdown );
 199
 200                 time( &starttime );
 201
 202                 if ( status = ldap_pvt_thread_create( &listener_tid, 0,
 203                         slapd_daemon, (void *) port ) != 0 )
 204                 {
 205                         Debug( LDAP_DEBUG_ANY,
 206                             "listener ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
 207                         exit( 1 );
 208                 }
 209
 210                 ldap_pvt_thread_join( listener_tid, (void *) NULL );
 211
 212                 return 0;
 213
 214         } else {
 215                 Connection              c;
 216                 Operation               *o;
 217                 BerElement              ber;
 218                 unsigned long           len, tag;
 219                 long                    msgid;
 220                 int                     flen;
 221                 struct sockaddr_in      from;
 222                 struct hostent          *hp;
 223
 224                 c.c_dn = NULL;
 225                 c.c_cdn = NULL;
 226                 c.c_ops = NULL;
 227                 c.c_sb.sb_sd = 0;
 228                 c.c_sb.sb_options = 0;
 229                 c.c_sb.sb_naddr = udp ? 1 : 0;
 230                 c.c_sb.sb_ber.ber_buf = NULL;
 231                 c.c_sb.sb_ber.ber_ptr = NULL;
 232                 c.c_sb.sb_ber.ber_end = NULL;
 233                 ldap_pvt_thread_mutex_init( &c.c_dnmutex );
 234                 ldap_pvt_thread_mutex_init( &c.c_opsmutex );
 235                 ldap_pvt_thread_mutex_init( &c.c_pdumutex );
 236 #ifdef notdefcldap
 237                 c.c_sb.sb_addrs = (void **) saddrlist;
 238                 c.c_sb.sb_fromaddr = &faddr;
 239                 c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
 240 #endif
 241                 flen = sizeof(from);
 242                 if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
 243 #ifdef SLAPD_RLOOKUPS
 244                         hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
 245                             sizeof(from.sin_addr.s_addr), AF_INET );
 246 #else
 247                         hp = NULL;
 248 #endif
 249
 250                         Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
 251                             hp == NULL ? "unknown" : hp->h_name,
 252                             inet_ntoa( from.sin_addr ), 0 );
 253
 254                         c.c_addr = inet_ntoa( from.sin_addr );
 255                         c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
 256                 } else {
 257                         Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
 258                             0, 0, 0 );
 259                 }
 260
 261                 ber_init( &ber, 0 );
 262                 while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
 263                     == LDAP_TAG_MESSAGE ) {
 264                         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 265                         time( &currenttime );
 266                         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 267
 268                         if ( (tag = ber_get_int( &ber, &msgid ))
 269                             != LDAP_TAG_MSGID ) {
 270                                 /* log and send error */
 271                                 Debug( LDAP_DEBUG_ANY,
 272                                    "ber_get_int returns 0x%lx\n", tag, 0, 0 );
 273                                 ber_free( &ber, 1 );
 274                                 return 1;
 275                         }
 276
 277                         if ( (tag = ber_peek_tag( &ber, &len ))
 278                             == LBER_ERROR ) {
 279                                 /* log, close and send error */
 280                                 Debug( LDAP_DEBUG_ANY,
 281                                    "ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
 282                                 ber_free( &ber, 1 );
 283                                 close( c.c_sb.sb_sd );
 284                                 c.c_sb.sb_sd = -1;
 285                                 return 1;
 286                         }
 287
 288                         connection_activity( &c );
 289
 290                         ber_free( &ber, 1 );
 291                 }
 292         }
 293         return 1;
 294 }
 295
 296
 297 #ifdef LOG_LOCAL4
 298
 299 /*
 300  *  Convert a string to an integer by means of a dispatcher table
 301  *  if the string is not in the table return the default
 302  */
 303
 304 static int
 305 cnvt_str2int (stringVal, dispatcher, defaultVal)
 306 char      *stringVal;
 307 STRDISP_P  dispatcher;
 308 int        defaultVal;
 309 {
 310     int        retVal = defaultVal;
 311     STRDISP_P  disp;
 312
 313     for (disp = dispatcher; disp->stringVal; disp++) {
 314
 315         if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
 316
 317             retVal = disp->intVal;
 318             break;
 319
 320         }
 321     }
 322
 323     return (retVal);
 324
 325 } /* cnvt_str2int */
 326
 327 #endif  /* LOG_LOCAL4 */
 328