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         int             port;
  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         port = LDAP_PORT;
  76         g_argc = argc;
  77         g_argv = argv;
  78
  79 #ifdef SLAPD_BDB2
  80         while ( (i = getopt( argc, argv, "d:f:ip:s:ut" )) != EOF ) {
  81 #else
  82         while ( (i = getopt( argc, argv, "d:f:ip:s:u" )) != EOF ) {
  83 #endif
  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                                 slap_debug |= atoi( optarg );
 118                         }
 119                         break;
 120 #else
 121                 case 'd':       /* turn on debugging */
 122                         fprintf( stderr,
 123                             "must compile with LDAP_DEBUG for debugging\n" );
 124                         break;
 125 #endif
 126
 127                 case 'f':       /* read config file */
 128                         configfile = ch_strdup( optarg );
 129                         break;
 130
 131                 case 'i':       /* run from inetd */
 132                         inetd = 1;
 133                         break;
 134
 135                 case 'p':       /* port on which to listen */
 136                         port = atoi( optarg );
 137                         break;
 138
 139                 case 's':       /* set syslog level */
 140                         ldap_syslog = atoi( optarg );
 141                         break;
 142
 143 #ifdef LOG_LOCAL4
 144
 145                 case 'l':       /* set syslog local user */
 146                         syslogUser = cnvt_str2int( optarg, syslog_types,
 147                                            DEFAULT_SYSLOG_USER );
 148                         break;
 149
 150 #endif
 151
 152                 case 'u':       /* do udp */
 153                         udp = 1;
 154                         break;
 155
 156 #ifdef SLAPD_BDB2
 157                 case 't':  /* timed server */
 158                         serverMode = SLAP_TIMEDSERVER_MODE;
 159                         break;
 160 #endif
 161
 162                 default:
 163                         usage( argv[0] );
 164                         exit( 1 );
 165                 }
 166         }
 167
 168         lber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 169         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 170         ldif_debug = slap_debug;
 171
 172         Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
 173
 174         if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
 175                 serverName = ch_strdup( argv[0] );
 176         } else {
 177                 serverName = ch_strdup( serverName + 1 );
 178         }
 179
 180 #ifdef LOG_LOCAL4
 181         openlog( serverName, OPENLOG_OPTIONS, syslogUser );
 182 #else
 183         openlog( serverName, OPENLOG_OPTIONS );
 184 #endif
 185
 186         if ( slap_init( serverMode, serverName ) != 0 ) {
 187                 rc = 1;
 188                 goto destroy;
 189         }
 190
 191         if ( read_config( configfile ) != 0 ) {
 192                 rc = 1;
 193                 goto destroy;
 194         }
 195
 196         if ( slap_startup(-1)  != 0 ) {
 197                 rc = 1;
 198                 goto shutdown;
 199         }
 200
 201         if ( ! inetd ) {
 202                 int             status;
 203
 204                 (void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
 205                 (void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
 206 #ifdef SIGPIPE
 207                 (void) SIGNAL( SIGPIPE, SIG_IGN );
 208 #endif
 209 #ifdef SIGHUP
 210                 (void) SIGNAL( SIGHUP, slap_set_shutdown );
 211 #endif
 212                 (void) SIGNAL( SIGINT, slap_set_shutdown );
 213                 (void) SIGNAL( SIGTERM, slap_set_shutdown );
 214
 215 #ifdef LDAP_DEBUG
 216                 lutil_detach( ldap_debug, 0 );
 217 #else
 218                 lutil_detach( 0, 0 );
 219 #endif
 220
 221                 time( &starttime );
 222
 223                 status = ldap_pvt_thread_create( &listener_tid, 0,
 224                                                  slapd_daemon, (void *) port );
 225                 if ( status != 0 )
 226                 {
 227                         Debug( LDAP_DEBUG_ANY,
 228                             "listener ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
 229
 230                         rc = 1;
 231
 232                 } else {
 233                         /* wait for the listener thread to complete */
 234                         ldap_pvt_thread_join( listener_tid, (void *) NULL );
 235                 }
 236
 237         } else {
 238                 Connection              c;
 239                 BerElement              ber;
 240                 unsigned long           len, tag;
 241                 long                    msgid;
 242                 int                     flen;
 243                 struct sockaddr_in      from;
 244                 struct hostent          *hp;
 245
 246                 c.c_dn = NULL;
 247                 c.c_cdn = NULL;
 248                 c.c_ops = NULL;
 249
 250                 lber_pvt_sb_init( &c.c_sb );
 251                 lber_pvt_sb_set_desc( &c.c_sb, 0 );
 252                 lber_pvt_sb_set_io( &c.c_sb,
 253                         (udp) ? &lber_pvt_sb_io_udp : &lber_pvt_sb_io_tcp,
 254                         NULL );
 255                 /* FIXME: handle udp here */
 256
 257                 ldap_pvt_thread_mutex_init( &c.c_dnmutex );
 258                 ldap_pvt_thread_mutex_init( &c.c_opsmutex );
 259                 ldap_pvt_thread_mutex_init( &c.c_pdumutex );
 260 #ifdef notdefcldap
 261                 c.c_sb.sb_addrs = (void **) saddrlist;
 262                 c.c_sb.sb_fromaddr = &faddr;
 263                 c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
 264 #endif
 265                 flen = sizeof(from);
 266                 if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
 267 #ifdef SLAPD_RLOOKUPS
 268                         hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
 269                             sizeof(from.sin_addr.s_addr), AF_INET );
 270 #else
 271                         hp = NULL;
 272 #endif
 273
 274                         Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
 275                             hp == NULL ? "unknown" : hp->h_name,
 276                             inet_ntoa( from.sin_addr ), 0 );
 277
 278                         c.c_addr = inet_ntoa( from.sin_addr );
 279                         c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
 280                 } else {
 281                         Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
 282                             0, 0, 0 );
 283                 }
 284
 285                 c.c_state = SLAP_C_ACTIVE;
 286
 287                 ber_init_w_nullc( &ber, 0 );
 288
 289                 while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
 290                     == LDAP_TAG_MESSAGE ) {
 291                         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 292                         time( &currenttime );
 293                         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 294
 295                         if ( (tag = ber_get_int( &ber, &msgid ))
 296                             != LDAP_TAG_MSGID ) {
 297                                 /* log and send error */
 298                                 Debug( LDAP_DEBUG_ANY,
 299                                    "ber_get_int returns 0x%lx\n", tag, 0, 0 );
 300                                 ber_free( &ber, 1 );
 301                                 return 1;
 302                         }
 303
 304                         if ( (tag = ber_peek_tag( &ber, &len ))
 305                             == LBER_ERROR ) {
 306                                 /* log, close and send error */
 307                                 Debug( LDAP_DEBUG_ANY,
 308                                    "ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
 309                                 ber_free( &ber, 1 );
 310                                 lber_pvt_sb_close( &c.c_sb );
 311                                 lber_pvt_sb_destroy( &c.c_sb );
 312                                 return 1;
 313                         }
 314
 315                         connection_activity( &c );
 316
 317                         ber_free( &ber, 1 );
 318                 }
 319         }
 320
 321 shutdown:
 322         /* remember an error during shutdown */
 323         rc |= slap_shutdown(-1);
 324 destroy:
 325         /* remember an error during destroy */
 326         rc |= slap_destroy();
 327
 328         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
 329
 330         return rc;
 331 }
 332
 333
 334 #ifdef LOG_LOCAL4
 335
 336 /*
 337  *  Convert a string to an integer by means of a dispatcher table
 338  *  if the string is not in the table return the default
 339  */
 340
 341 static int
 342 cnvt_str2int( char *stringVal, STRDISP_P dispatcher, int defaultVal )
 343 {
 344     int        retVal = defaultVal;
 345     STRDISP_P  disp;
 346
 347     for (disp = dispatcher; disp->stringVal; disp++) {
 348
 349         if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
 350
 351             retVal = disp->intVal;
 352             break;
 353
 354         }
 355     }
 356
 357     return (retVal);
 358
 359 } /* cnvt_str2int */
 360
 361 #endif  /* LOG_LOCAL4 */
 362