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
  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  * the server's name must be accessible from the daemon module,
  54  * to construct the pid/args file names
  55  */
  56 char  *serverName = NULL;
  57
  58
  59 static void
  60 usage( char *name )
  61 {
  62         fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]", name );
  63 #ifdef LOG_LOCAL4
  64     fprintf( stderr, " [-l sysloguser]" );
  65 #endif
  66     fprintf( stderr, "\n" );
  67 }
  68
  69 int
  70 main( int argc, char **argv )
  71 {
  72         int             i;
  73         int             inetd = 0;
  74         int             port;
  75         int             udp;
  76         Backend         *be = NULL;
  77         FILE            *fp = NULL;
  78 #ifdef LOG_LOCAL4
  79     int     syslogUser = DEFAULT_SYSLOG_USER;
  80 #endif
  81         char            *configfile;
  82
  83         configfile = SLAPD_DEFAULT_CONFIGFILE;
  84         port = LDAP_PORT;
  85         g_argc = argc;
  86         g_argv = argv;
  87
  88         while ( (i = getopt( argc, argv, "d:f:ip:s:u" )) != EOF ) {
  89                 switch ( i ) {
  90 #ifdef LDAP_DEBUG
  91                 case 'd':       /* turn on debugging */
  92                         if ( optarg[0] == '?' ) {
  93                                 printf( "Debug levels:\n" );
  94                                 printf( "\tLDAP_DEBUG_TRACE\t%d\n",
  95                                     LDAP_DEBUG_TRACE );
  96                                 printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
  97                                     LDAP_DEBUG_PACKETS );
  98                                 printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
  99                                     LDAP_DEBUG_ARGS );
 100                                 printf( "\tLDAP_DEBUG_CONNS\t%d\n",
 101                                     LDAP_DEBUG_CONNS );
 102                                 printf( "\tLDAP_DEBUG_BER\t\t%d\n",
 103                                     LDAP_DEBUG_BER );
 104                                 printf( "\tLDAP_DEBUG_FILTER\t%d\n",
 105                                     LDAP_DEBUG_FILTER );
 106                                 printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
 107                                     LDAP_DEBUG_CONFIG );
 108                                 printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
 109                                     LDAP_DEBUG_ACL );
 110                                 printf( "\tLDAP_DEBUG_STATS\t%d\n",
 111                                     LDAP_DEBUG_STATS );
 112                                 printf( "\tLDAP_DEBUG_STATS2\t%d\n",
 113                                     LDAP_DEBUG_STATS2 );
 114                                 printf( "\tLDAP_DEBUG_SHELL\t%d\n",
 115                                     LDAP_DEBUG_SHELL );
 116                                 printf( "\tLDAP_DEBUG_PARSE\t%d\n",
 117                                     LDAP_DEBUG_PARSE );
 118                                 printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
 119                                     LDAP_DEBUG_ANY );
 120                                 exit( 0 );
 121                         } else {
 122                                 slap_debug |= atoi( optarg );
 123                         }
 124                         break;
 125 #else
 126                 case 'd':       /* turn on debugging */
 127                         fprintf( stderr,
 128                             "must compile with LDAP_DEBUG for debugging\n" );
 129                         break;
 130 #endif
 131
 132                 case 'f':       /* read config file */
 133                         configfile = ch_strdup( optarg );
 134                         break;
 135
 136                 case 'i':       /* run from inetd */
 137                         inetd = 1;
 138                         break;
 139
 140                 case 'p':       /* port on which to listen */
 141                         port = atoi( optarg );
 142                         break;
 143
 144                 case 's':       /* set syslog level */
 145                         ldap_syslog = atoi( optarg );
 146                         break;
 147
 148 #ifdef LOG_LOCAL4
 149
 150                 case 'l':       /* set syslog local user */
 151                         syslogUser = cnvt_str2int( optarg, syslog_types,
 152                                            DEFAULT_SYSLOG_USER );
 153                         break;
 154
 155 #endif
 156
 157                 case 'u':       /* do udp */
 158                         udp = 1;
 159                         break;
 160
 161                 default:
 162                         usage( argv[0] );
 163                         exit( 1 );
 164                 }
 165         }
 166
 167         lber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 168         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 169         ldif_debug = slap_debug;
 170
 171         Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
 172
 173         if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
 174                 serverName = ch_strdup( argv[0] );
 175         } else {
 176                 serverName = ch_strdup( serverName + 1 );
 177         }
 178
 179         if ( ! inetd ) {
 180                 /* pre-open config file before detach in case it is a relative path */
 181                 fp = fopen( configfile, "r" );
 182 #ifdef LDAP_DEBUG
 183                 lutil_detach( ldap_debug, 0 );
 184 #else
 185                 lutil_detach( 0, 0 );
 186 #endif
 187         }
 188
 189 #ifdef LOG_LOCAL4
 190         openlog( serverName, OPENLOG_OPTIONS, syslogUser );
 191 #else
 192         openlog( serverName, OPENLOG_OPTIONS );
 193 #endif
 194
 195         init();
 196         read_config( configfile, &be, fp );
 197
 198         if ( ! inetd ) {
 199                 int             status;
 200
 201                 time( &starttime );
 202
 203                 if ( status = pthread_create( &listener_tid, NULL,
 204                         slapd_daemon, (void *) port ) != 0 )
 205                 {
 206                         Debug( LDAP_DEBUG_ANY,
 207                             "listener pthread_create failed (%d)\n", status, 0, 0 );
 208                         exit( 1 );
 209                 }
 210
 211 #ifdef HAVE_PHREADS_FINAL
 212                 pthread_join( listener_tid, (void *) NULL );
 213 #else
 214                 pthread_join( listener_tid, (void *) &status );
 215 #endif
 216
 217                 return 0;
 218
 219         } else {
 220                 Connection              c;
 221                 Operation               *o;
 222                 BerElement              ber;
 223                 unsigned long           len, tag;
 224                 long                    msgid;
 225                 int                     flen;
 226                 struct sockaddr_in      from;
 227                 struct hostent          *hp;
 228
 229                 c.c_dn = NULL;
 230                 c.c_cdn = NULL;
 231                 c.c_ops = NULL;
 232                 c.c_sb.sb_sd = 0;
 233                 c.c_sb.sb_options = 0;
 234                 c.c_sb.sb_naddr = udp ? 1 : 0;
 235                 c.c_sb.sb_ber.ber_buf = NULL;
 236                 c.c_sb.sb_ber.ber_ptr = NULL;
 237                 c.c_sb.sb_ber.ber_end = NULL;
 238                 pthread_mutex_init( &c.c_dnmutex, pthread_mutexattr_default );
 239                 pthread_mutex_init( &c.c_opsmutex, pthread_mutexattr_default );
 240                 pthread_mutex_init( &c.c_pdumutex, pthread_mutexattr_default );
 241 #ifdef notdefcldap
 242                 c.c_sb.sb_addrs = (void **) saddrlist;
 243                 c.c_sb.sb_fromaddr = &faddr;
 244                 c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
 245 #endif
 246                 flen = sizeof(from);
 247                 if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
 248 #ifdef SLAPD_RLOOKUPS
 249                         hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
 250                             sizeof(from.sin_addr.s_addr), AF_INET );
 251 #else
 252                         hp = NULL;
 253 #endif
 254
 255                         Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
 256                             hp == NULL ? "unknown" : hp->h_name,
 257                             inet_ntoa( from.sin_addr ), 0 );
 258
 259                         c.c_addr = inet_ntoa( from.sin_addr );
 260                         c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
 261                 } else {
 262                         Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
 263                             0, 0, 0 );
 264                 }
 265
 266                 ber_init_w_nullc( &ber, 0 );
 267
 268                 while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
 269                     == LDAP_TAG_MESSAGE ) {
 270                         pthread_mutex_lock( &currenttime_mutex );
 271                         time( &currenttime );
 272                         pthread_mutex_unlock( &currenttime_mutex );
 273
 274                         if ( (tag = ber_get_int( &ber, &msgid ))
 275                             != LDAP_TAG_MSGID ) {
 276                                 /* log and send error */
 277                                 Debug( LDAP_DEBUG_ANY,
 278                                    "ber_get_int returns 0x%lx\n", tag, 0, 0 );
 279                                 ber_free( &ber, 1 );
 280                                 return 1;
 281                         }
 282
 283                         if ( (tag = ber_peek_tag( &ber, &len ))
 284                             == LBER_ERROR ) {
 285                                 /* log, close and send error */
 286                                 Debug( LDAP_DEBUG_ANY,
 287                                    "ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
 288                                 ber_free( &ber, 1 );
 289                                 close( c.c_sb.sb_sd );
 290                                 c.c_sb.sb_sd = -1;
 291                                 return 1;
 292                         }
 293
 294                         connection_activity( &c );
 295
 296                         ber_free( &ber, 1 );
 297                 }
 298         }
 299         return 1;
 300 }
 301
 302
 303 #ifdef LOG_LOCAL4
 304
 305 /*
 306  *  Convert a string to an integer by means of a dispatcher table
 307  *  if the string is not in the table return the default
 308  */
 309
 310 static int
 311 cnvt_str2int (stringVal, dispatcher, defaultVal)
 312 char      *stringVal;
 313 STRDISP_P  dispatcher;
 314 int        defaultVal;
 315 {
 316     int        retVal = defaultVal;
 317     STRDISP_P  disp;
 318
 319     for (disp = dispatcher; disp->stringVal; disp++) {
 320
 321         if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
 322
 323             retVal = disp->intVal;
 324             break;
 325
 326         }
 327     }
 328
 329     return (retVal);
 330
 331 } /* cnvt_str2int */
 332
 333 #endif  /* LOG_LOCAL4 */
 334