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         char    *stringVal;
  26         int      abbr;
  27         int      intVal;
  28 } STRDISP, *STRDISP_P;
  29
  30
  31 /* table to compute syslog-options to integer */
  32 static STRDISP  syslog_types[] = {
  33     { "LOCAL0",         6, LOG_LOCAL0 },
  34     { "LOCAL1",         6, LOG_LOCAL1 },
  35     { "LOCAL2",         6, LOG_LOCAL2 },
  36     { "LOCAL3",         6, LOG_LOCAL3 },
  37     { "LOCAL4",         6, LOG_LOCAL4 },
  38     { "LOCAL5",         6, LOG_LOCAL5 },
  39     { "LOCAL6",         6, LOG_LOCAL6 },
  40     { "LOCAL7",         6, LOG_LOCAL7 },
  41     { NULL }
  42 };
  43
  44 static int   cnvt_str2int( char *, STRDISP_P, int );
  45
  46 #endif  /* LOG_LOCAL4 */
  47
  48
  49 static void
  50 usage( char *name )
  51 {
  52         fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]", name );
  53 #ifdef LOG_LOCAL4
  54     fprintf( stderr, " [-l sysloguser]" );
  55 #endif
  56     fprintf( stderr, "\n" );
  57 }
  58
  59 int
  60 main( int argc, char **argv )
  61 {
  62         int             i;
  63         int             inetd = 0;
  64         int             rc = 0;
  65         struct sockaddr_in      bind_addr;
  66         int             udp;
  67 #ifdef LOG_LOCAL4
  68     int     syslogUser = DEFAULT_SYSLOG_USER;
  69 #endif
  70         char            *configfile;
  71         char        *serverName;
  72         int         serverMode = SLAP_SERVER_MODE;
  73
  74         configfile = SLAPD_DEFAULT_CONFIGFILE;
  75
  76         (void) memset( (void*) &bind_addr, '\0', sizeof(bind_addr));
  77         bind_addr.sin_family = AF_INET;
  78         bind_addr.sin_addr.s_addr = htonl(INADDR_ANY);
  79         bind_addr.sin_port = htons(LDAP_PORT);
  80
  81         g_argc = argc;
  82         g_argv = argv;
  83
  84 #ifdef SLAPD_BDB2
  85         while ( (i = getopt( argc, argv, "d:f:ia:p:s:ut" )) != EOF ) {
  86 #else
  87         while ( (i = getopt( argc, argv, "d:f:ia:p:s:u" )) != EOF ) {
  88 #endif
  89                 switch ( i ) {
  90                 case 'a':       /* bind address */
  91                         if(!inet_aton(optarg, &bind_addr.sin_addr)) {
  92                                 fprintf(stderr, "invalid address (%s) for -a option", optarg);
  93                         }
  94             break;
  95
  96 #ifdef LDAP_DEBUG
  97                 case 'd':       /* turn on debugging */
  98                         if ( optarg[0] == '?' ) {
  99                                 printf( "Debug levels:\n" );
 100                                 printf( "\tLDAP_DEBUG_TRACE\t%d\n",
 101                                     LDAP_DEBUG_TRACE );
 102                                 printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
 103                                     LDAP_DEBUG_PACKETS );
 104                                 printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
 105                                     LDAP_DEBUG_ARGS );
 106                                 printf( "\tLDAP_DEBUG_CONNS\t%d\n",
 107                                     LDAP_DEBUG_CONNS );
 108                                 printf( "\tLDAP_DEBUG_BER\t\t%d\n",
 109                                     LDAP_DEBUG_BER );
 110                                 printf( "\tLDAP_DEBUG_FILTER\t%d\n",
 111                                     LDAP_DEBUG_FILTER );
 112                                 printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
 113                                     LDAP_DEBUG_CONFIG );
 114                                 printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
 115                                     LDAP_DEBUG_ACL );
 116                                 printf( "\tLDAP_DEBUG_STATS\t%d\n",
 117                                     LDAP_DEBUG_STATS );
 118                                 printf( "\tLDAP_DEBUG_STATS2\t%d\n",
 119                                     LDAP_DEBUG_STATS2 );
 120                                 printf( "\tLDAP_DEBUG_SHELL\t%d\n",
 121                                     LDAP_DEBUG_SHELL );
 122                                 printf( "\tLDAP_DEBUG_PARSE\t%d\n",
 123                                     LDAP_DEBUG_PARSE );
 124                                 printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
 125                                     LDAP_DEBUG_ANY );
 126                                 exit( 0 );
 127                         } else {
 128                                 slap_debug |= atoi( optarg );
 129                         }
 130                         break;
 131 #else
 132                 case 'd':       /* turn on debugging */
 133                         fprintf( stderr,
 134                             "must compile with LDAP_DEBUG for debugging\n" );
 135                         break;
 136 #endif
 137
 138                 case 'f':       /* read config file */
 139                         configfile = ch_strdup( optarg );
 140                         break;
 141
 142                 case 'i':       /* run from inetd */
 143                         inetd = 1;
 144                         break;
 145
 146                 case 'p': {     /* port on which to listen */
 147                                 int port = atoi( optarg );
 148                                 if(! port ) {
 149                                         fprintf(stderr, "-p %s must be numeric\n", optarg);
 150                                 } else {
 151                                         bind_addr.sin_port = htons(port);
 152                                 }
 153                         } break;
 154
 155                 case 's':       /* set syslog level */
 156                         ldap_syslog = atoi( optarg );
 157                         break;
 158
 159 #ifdef LOG_LOCAL4
 160                 case 'l':       /* set syslog local user */
 161                         syslogUser = cnvt_str2int( optarg, syslog_types,
 162                                            DEFAULT_SYSLOG_USER );
 163                         break;
 164 #endif
 165
 166                 case 'u':       /* do udp */
 167                         udp = 1;
 168                         break;
 169
 170 #ifdef SLAPD_BDB2
 171                 case 't':  /* timed server */
 172                         serverMode = SLAP_TIMEDSERVER_MODE;
 173                         break;
 174 #endif
 175
 176                 default:
 177                         usage( argv[0] );
 178                         exit( 1 );
 179                 }
 180         }
 181
 182         lber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 183         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 184         ldif_debug = slap_debug;
 185
 186         Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
 187
 188         if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
 189                 serverName = ch_strdup( argv[0] );
 190         } else {
 191                 serverName = ch_strdup( serverName + 1 );
 192         }
 193
 194 #ifdef LOG_LOCAL4
 195         openlog( serverName, OPENLOG_OPTIONS, syslogUser );
 196 #else
 197         openlog( serverName, OPENLOG_OPTIONS );
 198 #endif
 199
 200         if ( slap_init( serverMode, serverName ) != 0 ) {
 201                 rc = 1;
 202                 goto destroy;
 203         }
 204
 205         if ( read_config( configfile ) != 0 ) {
 206                 rc = 1;
 207                 goto destroy;
 208         }
 209
 210         if ( slap_startup(-1)  != 0 ) {
 211                 rc = 1;
 212                 goto shutdown;
 213         }
 214
 215         if ( ! inetd ) {
 216                 int             status;
 217
 218                 (void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
 219                 (void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
 220 #ifdef SIGPIPE
 221                 (void) SIGNAL( SIGPIPE, SIG_IGN );
 222 #endif
 223 #ifdef SIGHUP
 224                 (void) SIGNAL( SIGHUP, slap_set_shutdown );
 225 #endif
 226                 (void) SIGNAL( SIGINT, slap_set_shutdown );
 227                 (void) SIGNAL( SIGTERM, slap_set_shutdown );
 228
 229 #ifdef LDAP_DEBUG
 230                 lutil_detach( ldap_debug, 0 );
 231 #else
 232                 lutil_detach( 0, 0 );
 233 #endif
 234
 235                 time( &starttime );
 236
 237                 status = ldap_pvt_thread_create( &listener_tid, 0,
 238                                                  slapd_daemon, &bind_addr );
 239                 if ( status != 0 )
 240                 {
 241                         Debug( LDAP_DEBUG_ANY,
 242                             "listener ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
 243
 244                         rc = 1;
 245
 246                 } else {
 247                         /* wait for the listener thread to complete */
 248                         ldap_pvt_thread_join( listener_tid, (void *) NULL );
 249                 }
 250
 251         } else {
 252                 Connection              c;
 253                 BerElement              ber;
 254                 unsigned long           len, tag;
 255                 long                    msgid;
 256                 int                     flen;
 257                 struct sockaddr_in      from;
 258                 struct hostent          *hp;
 259
 260                 c.c_dn = NULL;
 261                 c.c_cdn = NULL;
 262                 c.c_ops = NULL;
 263
 264                 lber_pvt_sb_init( &c.c_sb );
 265                 lber_pvt_sb_set_desc( &c.c_sb, 0 );
 266                 lber_pvt_sb_set_io( &c.c_sb,
 267                         (udp) ? &lber_pvt_sb_io_udp : &lber_pvt_sb_io_tcp,
 268                         NULL );
 269                 /* FIXME: handle udp here */
 270
 271                 ldap_pvt_thread_mutex_init( &c.c_dnmutex );
 272                 ldap_pvt_thread_mutex_init( &c.c_opsmutex );
 273                 ldap_pvt_thread_mutex_init( &c.c_pdumutex );
 274 #ifdef notdefcldap
 275                 c.c_sb.sb_addrs = (void **) saddrlist;
 276                 c.c_sb.sb_fromaddr = &faddr;
 277                 c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
 278 #endif
 279                 flen = sizeof(from);
 280                 if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
 281 #ifdef SLAPD_RLOOKUPS
 282                         hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
 283                             sizeof(from.sin_addr.s_addr), AF_INET );
 284 #else
 285                         hp = NULL;
 286 #endif
 287
 288                         Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
 289                             hp == NULL ? "unknown" : hp->h_name,
 290                             inet_ntoa( from.sin_addr ), 0 );
 291
 292                         c.c_addr = inet_ntoa( from.sin_addr );
 293                         c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
 294                 } else {
 295                         Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
 296                             0, 0, 0 );
 297                 }
 298
 299                 c.c_state = SLAP_C_ACTIVE;
 300
 301                 ber_init_w_nullc( &ber, 0 );
 302
 303                 while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
 304                     == LDAP_TAG_MESSAGE ) {
 305                         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 306                         time( &currenttime );
 307                         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 308
 309                         if ( (tag = ber_get_int( &ber, &msgid ))
 310                             != LDAP_TAG_MSGID ) {
 311                                 /* log and send error */
 312                                 Debug( LDAP_DEBUG_ANY,
 313                                    "ber_get_int returns 0x%lx\n", tag, 0, 0 );
 314                                 ber_free( &ber, 1 );
 315                                 return 1;
 316                         }
 317
 318                         if ( (tag = ber_peek_tag( &ber, &len ))
 319                             == LBER_ERROR ) {
 320                                 /* log, close and send error */
 321                                 Debug( LDAP_DEBUG_ANY,
 322                                    "ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
 323                                 ber_free( &ber, 1 );
 324                                 lber_pvt_sb_close( &c.c_sb );
 325                                 lber_pvt_sb_destroy( &c.c_sb );
 326                                 return 1;
 327                         }
 328
 329                         connection_activity( &c );
 330
 331                         ber_free( &ber, 1 );
 332                 }
 333         }
 334
 335 shutdown:
 336         /* remember an error during shutdown */
 337         rc |= slap_shutdown(-1);
 338 destroy:
 339         /* remember an error during destroy */
 340         rc |= slap_destroy();
 341
 342         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
 343
 344         return rc;
 345 }
 346
 347
 348 #ifdef LOG_LOCAL4
 349
 350 /*
 351  *  Convert a string to an integer by means of a dispatcher table
 352  *  if the string is not in the table return the default
 353  */
 354
 355 static int
 356 cnvt_str2int( char *stringVal, STRDISP_P dispatcher, int defaultVal )
 357 {
 358     int        retVal = defaultVal;
 359     STRDISP_P  disp;
 360
 361     for (disp = dispatcher; disp->stringVal; disp++) {
 362
 363         if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
 364
 365             retVal = disp->intVal;
 366             break;
 367
 368         }
 369     }
 370
 371     return (retVal);
 372
 373 } /* cnvt_str2int */
 374
 375 #endif  /* LOG_LOCAL4 */
 376