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();
  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         int             port;
  66         int             udp;
  67 #ifdef LOG_LOCAL4
  68     int     syslogUser = DEFAULT_SYSLOG_USER;
  69 #endif
  70         char            *configfile;
  71         char        *serverName;
  72
  73         configfile = SLAPD_DEFAULT_CONFIGFILE;
  74         port = LDAP_PORT;
  75         g_argc = argc;
  76         g_argv = argv;
  77
  78         while ( (i = getopt( argc, argv, "d:f:ip:s:u" )) != EOF ) {
  79                 switch ( i ) {
  80 #ifdef LDAP_DEBUG
  81                 case 'd':       /* turn on debugging */
  82                         if ( optarg[0] == '?' ) {
  83                                 printf( "Debug levels:\n" );
  84                                 printf( "\tLDAP_DEBUG_TRACE\t%d\n",
  85                                     LDAP_DEBUG_TRACE );
  86                                 printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
  87                                     LDAP_DEBUG_PACKETS );
  88                                 printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
  89                                     LDAP_DEBUG_ARGS );
  90                                 printf( "\tLDAP_DEBUG_CONNS\t%d\n",
  91                                     LDAP_DEBUG_CONNS );
  92                                 printf( "\tLDAP_DEBUG_BER\t\t%d\n",
  93                                     LDAP_DEBUG_BER );
  94                                 printf( "\tLDAP_DEBUG_FILTER\t%d\n",
  95                                     LDAP_DEBUG_FILTER );
  96                                 printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
  97                                     LDAP_DEBUG_CONFIG );
  98                                 printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
  99                                     LDAP_DEBUG_ACL );
 100                                 printf( "\tLDAP_DEBUG_STATS\t%d\n",
 101                                     LDAP_DEBUG_STATS );
 102                                 printf( "\tLDAP_DEBUG_STATS2\t%d\n",
 103                                     LDAP_DEBUG_STATS2 );
 104                                 printf( "\tLDAP_DEBUG_SHELL\t%d\n",
 105                                     LDAP_DEBUG_SHELL );
 106                                 printf( "\tLDAP_DEBUG_PARSE\t%d\n",
 107                                     LDAP_DEBUG_PARSE );
 108                                 printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
 109                                     LDAP_DEBUG_ANY );
 110                                 exit( 0 );
 111                         } else {
 112                                 slap_debug |= atoi( optarg );
 113                         }
 114                         break;
 115 #else
 116                 case 'd':       /* turn on debugging */
 117                         fprintf( stderr,
 118                             "must compile with LDAP_DEBUG for debugging\n" );
 119                         break;
 120 #endif
 121
 122                 case 'f':       /* read config file */
 123                         configfile = ch_strdup( optarg );
 124                         break;
 125
 126                 case 'i':       /* run from inetd */
 127                         inetd = 1;
 128                         break;
 129
 130                 case 'p':       /* port on which to listen */
 131                         port = atoi( optarg );
 132                         break;
 133
 134                 case 's':       /* set syslog level */
 135                         ldap_syslog = atoi( optarg );
 136                         break;
 137
 138 #ifdef LOG_LOCAL4
 139
 140                 case 'l':       /* set syslog local user */
 141                         syslogUser = cnvt_str2int( optarg, syslog_types,
 142                                            DEFAULT_SYSLOG_USER );
 143                         break;
 144
 145 #endif
 146
 147                 case 'u':       /* do udp */
 148                         udp = 1;
 149                         break;
 150
 151                 default:
 152                         usage( argv[0] );
 153                         exit( 1 );
 154                 }
 155         }
 156
 157         lber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 158         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 159         ldif_debug = slap_debug;
 160
 161         Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
 162
 163         if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
 164                 serverName = ch_strdup( argv[0] );
 165         } else {
 166                 serverName = ch_strdup( serverName + 1 );
 167         }
 168
 169 #ifdef LOG_LOCAL4
 170         openlog( serverName, OPENLOG_OPTIONS, syslogUser );
 171 #else
 172         openlog( serverName, OPENLOG_OPTIONS );
 173 #endif
 174
 175 #ifdef SLAPD_BDB2
 176         bdb2i_do_timing = 1;
 177 #endif
 178
 179         if ( slap_init( SLAP_SERVER_MODE, serverName ) != 0 ) {
 180                 rc = 1;
 181                 goto destroy;
 182         }
 183
 184         if ( read_config( configfile ) != 0 ) {
 185                 rc = 1;
 186                 goto destroy;
 187         }
 188
 189         if ( slap_startup(-1)  != 0 ) {
 190                 rc = 1;
 191                 goto shutdown;
 192         }
 193
 194         if ( ! inetd ) {
 195                 int             status;
 196
 197                 (void) SIGNAL( SIGPIPE, SIG_IGN );
 198                 (void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
 199                 (void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
 200                 (void) SIGNAL( SIGTERM, slap_set_shutdown );
 201                 (void) SIGNAL( SIGINT, slap_set_shutdown );
 202                 (void) SIGNAL( SIGHUP, slap_set_shutdown );
 203
 204 #ifdef LDAP_DEBUG
 205                 lutil_detach( ldap_debug, 0 );
 206 #else
 207                 lutil_detach( 0, 0 );
 208 #endif
 209
 210                 time( &starttime );
 211
 212                 if ( status = ldap_pvt_thread_create( &listener_tid, 0,
 213                         slapd_daemon, (void *) port ) != 0 )
 214                 {
 215                         Debug( LDAP_DEBUG_ANY,
 216                             "listener ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
 217
 218                         rc = 1;
 219
 220                 } else {
 221                         /* wait for the listener thread to complete */
 222                         ldap_pvt_thread_join( listener_tid, (void *) NULL );
 223                 }
 224
 225         } else {
 226                 Connection              c;
 227                 Operation               *o;
 228                 BerElement              ber;
 229                 unsigned long           len, tag;
 230                 long                    msgid;
 231                 int                     flen;
 232                 struct sockaddr_in      from;
 233                 struct hostent          *hp;
 234
 235                 c.c_dn = NULL;
 236                 c.c_cdn = NULL;
 237                 c.c_ops = NULL;
 238                 c.c_sb.sb_sd = 0;
 239                 c.c_sb.sb_options = 0;
 240                 c.c_sb.sb_naddr = udp ? 1 : 0;
 241                 c.c_sb.sb_ber.ber_buf = NULL;
 242                 c.c_sb.sb_ber.ber_ptr = NULL;
 243                 c.c_sb.sb_ber.ber_end = NULL;
 244                 ldap_pvt_thread_mutex_init( &c.c_dnmutex );
 245                 ldap_pvt_thread_mutex_init( &c.c_opsmutex );
 246                 ldap_pvt_thread_mutex_init( &c.c_pdumutex );
 247 #ifdef notdefcldap
 248                 c.c_sb.sb_addrs = (void **) saddrlist;
 249                 c.c_sb.sb_fromaddr = &faddr;
 250                 c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
 251 #endif
 252                 flen = sizeof(from);
 253                 if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
 254 #ifdef SLAPD_RLOOKUPS
 255                         hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
 256                             sizeof(from.sin_addr.s_addr), AF_INET );
 257 #else
 258                         hp = NULL;
 259 #endif
 260
 261                         Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
 262                             hp == NULL ? "unknown" : hp->h_name,
 263                             inet_ntoa( from.sin_addr ), 0 );
 264
 265                         c.c_addr = inet_ntoa( from.sin_addr );
 266                         c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
 267                 } else {
 268                         Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
 269                             0, 0, 0 );
 270                 }
 271
 272                 ber_init_w_nullc( &ber, 0 );
 273
 274                 while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
 275                     == LDAP_TAG_MESSAGE ) {
 276                         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 277                         time( &currenttime );
 278                         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 279
 280                         if ( (tag = ber_get_int( &ber, &msgid ))
 281                             != LDAP_TAG_MSGID ) {
 282                                 /* log and send error */
 283                                 Debug( LDAP_DEBUG_ANY,
 284                                    "ber_get_int returns 0x%lx\n", tag, 0, 0 );
 285                                 ber_free( &ber, 1 );
 286                                 return 1;
 287                         }
 288
 289                         if ( (tag = ber_peek_tag( &ber, &len ))
 290                             == LBER_ERROR ) {
 291                                 /* log, close and send error */
 292                                 Debug( LDAP_DEBUG_ANY,
 293                                    "ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
 294                                 ber_free( &ber, 1 );
 295                                 close( c.c_sb.sb_sd );
 296                                 c.c_sb.sb_sd = -1;
 297                                 return 1;
 298                         }
 299
 300                         connection_activity( &c );
 301
 302                         ber_free( &ber, 1 );
 303                 }
 304         }
 305
 306 shutdown:
 307         /* remember an error during shutdown */
 308         rc |= slap_shutdown(-1);
 309 destroy:
 310         /* remember an error during destroy */
 311         rc |= slap_destroy();
 312
 313         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
 314
 315         return rc;
 316 }
 317
 318
 319 #ifdef LOG_LOCAL4
 320
 321 /*
 322  *  Convert a string to an integer by means of a dispatcher table
 323  *  if the string is not in the table return the default
 324  */
 325
 326 static int
 327 cnvt_str2int (stringVal, dispatcher, defaultVal)
 328 char      *stringVal;
 329 STRDISP_P  dispatcher;
 330 int        defaultVal;
 331 {
 332     int        retVal = defaultVal;
 333     STRDISP_P  disp;
 334
 335     for (disp = dispatcher; disp->stringVal; disp++) {
 336
 337         if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
 338
 339             retVal = disp->intVal;
 340             break;
 341
 342         }
 343     }
 344
 345     return (retVal);
 346
 347 } /* cnvt_str2int */
 348
 349 #endif  /* LOG_LOCAL4 */
 350