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 extern int listener_running;
  53
  54
  55 static void
  56 usage( char *name )
  57 {
  58         fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]", name );
  59 #ifdef LOG_LOCAL4
  60     fprintf( stderr, " [-l sysloguser]" );
  61 #endif
  62     fprintf( stderr, "\n" );
  63 }
  64
  65 int
  66 main( int argc, char **argv )
  67 {
  68         int             i;
  69         int             inetd = 0;
  70         int             port;
  71         int             udp;
  72         Backend         *be = NULL;
  73         FILE            *fp = NULL;
  74 #ifdef LOG_LOCAL4
  75     int     syslogUser = DEFAULT_SYSLOG_USER;
  76 #endif
  77         char            *configfile;
  78         char        *serverName;
  79
  80         configfile = SLAPD_DEFAULT_CONFIGFILE;
  81         port = LDAP_PORT;
  82         g_argc = argc;
  83         g_argv = argv;
  84
  85         while ( (i = getopt( argc, argv, "d:f:ip:s:u" )) != EOF ) {
  86                 switch ( i ) {
  87 #ifdef LDAP_DEBUG
  88                 case 'd':       /* turn on debugging */
  89                         if ( optarg[0] == '?' ) {
  90                                 printf( "Debug levels:\n" );
  91                                 printf( "\tLDAP_DEBUG_TRACE\t%d\n",
  92                                     LDAP_DEBUG_TRACE );
  93                                 printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
  94                                     LDAP_DEBUG_PACKETS );
  95                                 printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
  96                                     LDAP_DEBUG_ARGS );
  97                                 printf( "\tLDAP_DEBUG_CONNS\t%d\n",
  98                                     LDAP_DEBUG_CONNS );
  99                                 printf( "\tLDAP_DEBUG_BER\t\t%d\n",
 100                                     LDAP_DEBUG_BER );
 101                                 printf( "\tLDAP_DEBUG_FILTER\t%d\n",
 102                                     LDAP_DEBUG_FILTER );
 103                                 printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
 104                                     LDAP_DEBUG_CONFIG );
 105                                 printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
 106                                     LDAP_DEBUG_ACL );
 107                                 printf( "\tLDAP_DEBUG_STATS\t%d\n",
 108                                     LDAP_DEBUG_STATS );
 109                                 printf( "\tLDAP_DEBUG_STATS2\t%d\n",
 110                                     LDAP_DEBUG_STATS2 );
 111                                 printf( "\tLDAP_DEBUG_SHELL\t%d\n",
 112                                     LDAP_DEBUG_SHELL );
 113                                 printf( "\tLDAP_DEBUG_PARSE\t%d\n",
 114                                     LDAP_DEBUG_PARSE );
 115                                 printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
 116                                     LDAP_DEBUG_ANY );
 117                                 exit( 0 );
 118                         } else {
 119                                 slap_debug |= atoi( optarg );
 120                         }
 121                         break;
 122 #else
 123                 case 'd':       /* turn on debugging */
 124                         fprintf( stderr,
 125                             "must compile with LDAP_DEBUG for debugging\n" );
 126                         break;
 127 #endif
 128
 129                 case 'f':       /* read config file */
 130                         configfile = ch_strdup( optarg );
 131                         break;
 132
 133                 case 'i':       /* run from inetd */
 134                         inetd = 1;
 135                         break;
 136
 137                 case 'p':       /* port on which to listen */
 138                         port = atoi( optarg );
 139                         break;
 140
 141                 case 's':       /* set syslog level */
 142                         ldap_syslog = atoi( optarg );
 143                         break;
 144
 145 #ifdef LOG_LOCAL4
 146
 147                 case 'l':       /* set syslog local user */
 148                         syslogUser = cnvt_str2int( optarg, syslog_types,
 149                                            DEFAULT_SYSLOG_USER );
 150                         break;
 151
 152 #endif
 153
 154                 case 'u':       /* do udp */
 155                         udp = 1;
 156                         break;
 157
 158                 default:
 159                         usage( argv[0] );
 160                         exit( 1 );
 161                 }
 162         }
 163
 164         lber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 165         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 166         ldif_debug = slap_debug;
 167
 168         Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
 169
 170         if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
 171                 serverName = ch_strdup( argv[0] );
 172         } else {
 173                 serverName = ch_strdup( serverName + 1 );
 174         }
 175
 176         if ( ! inetd ) {
 177                 /* pre-open config file before detach in case it is a relative path */
 178                 fp = fopen( configfile, "r" );
 179 #ifdef LDAP_DEBUG
 180                 lutil_detach( ldap_debug, 0 );
 181 #else
 182                 lutil_detach( 0, 0 );
 183 #endif
 184         }
 185
 186 #ifdef LOG_LOCAL4
 187         openlog( serverName, OPENLOG_OPTIONS, syslogUser );
 188 #else
 189         openlog( serverName, OPENLOG_OPTIONS );
 190 #endif
 191
 192 #ifdef SLAPD_BDB2
 193         bdb2i_do_timing = 1;
 194 #endif
 195
 196         init();
 197         read_config_env( configfile, &be, fp, 1 );
 198
 199         if ( ! inetd ) {
 200                 int             status;
 201
 202                 time( &starttime );
 203
 204                 if ( status = pthread_create( &listener_tid, NULL,
 205                         slapd_daemon, (void *) port ) != 0 )
 206                 {
 207                         Debug( LDAP_DEBUG_ANY,
 208                             "listener pthread_create failed (%d)\n", status, 0, 0 );
 209                         exit( 1 );
 210                 }
 211
 212                 /*  We must prevent the Father of All Threads to terminate
 213             before the listener thread has done it's clean-up work
 214             (that's not always garuanteed when using LINUX kernel
 215              threads :-( ) So we have to withhold the Father, until
 216              the listener says OK
 217         */
 218                 while ( listener_running ) {
 219                         ldap_pvt_thread_join( listener_tid, (void *) NULL );
 220                 }
 221
 222                 return 0;
 223
 224         } else {
 225                 Connection              c;
 226                 Operation               *o;
 227                 BerElement              ber;
 228                 unsigned long           len, tag;
 229                 long                    msgid;
 230                 int                     flen;
 231                 struct sockaddr_in      from;
 232                 struct hostent          *hp;
 233
 234                 c.c_dn = NULL;
 235                 c.c_cdn = NULL;
 236                 c.c_ops = NULL;
 237                 c.c_sb.sb_sd = 0;
 238                 c.c_sb.sb_options = 0;
 239                 c.c_sb.sb_naddr = udp ? 1 : 0;
 240                 c.c_sb.sb_ber.ber_buf = NULL;
 241                 c.c_sb.sb_ber.ber_ptr = NULL;
 242                 c.c_sb.sb_ber.ber_end = NULL;
 243                 pthread_mutex_init( &c.c_dnmutex, pthread_mutexattr_default );
 244                 pthread_mutex_init( &c.c_opsmutex, pthread_mutexattr_default );
 245                 pthread_mutex_init( &c.c_pdumutex, pthread_mutexattr_default );
 246 #ifdef notdefcldap
 247                 c.c_sb.sb_addrs = (void **) saddrlist;
 248                 c.c_sb.sb_fromaddr = &faddr;
 249                 c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
 250 #endif
 251                 flen = sizeof(from);
 252                 if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
 253 #ifdef SLAPD_RLOOKUPS
 254                         hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
 255                             sizeof(from.sin_addr.s_addr), AF_INET );
 256 #else
 257                         hp = NULL;
 258 #endif
 259
 260                         Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
 261                             hp == NULL ? "unknown" : hp->h_name,
 262                             inet_ntoa( from.sin_addr ), 0 );
 263
 264                         c.c_addr = inet_ntoa( from.sin_addr );
 265                         c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
 266                 } else {
 267                         Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
 268                             0, 0, 0 );
 269                 }
 270
 271                 ber_init_w_nullc( &ber, 0 );
 272
 273                 while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
 274                     == LDAP_TAG_MESSAGE ) {
 275                         pthread_mutex_lock( &currenttime_mutex );
 276                         time( &currenttime );
 277                         pthread_mutex_unlock( &currenttime_mutex );
 278
 279                         if ( (tag = ber_get_int( &ber, &msgid ))
 280                             != LDAP_TAG_MSGID ) {
 281                                 /* log and send error */
 282                                 Debug( LDAP_DEBUG_ANY,
 283                                    "ber_get_int returns 0x%lx\n", tag, 0, 0 );
 284                                 ber_free( &ber, 1 );
 285                                 return 1;
 286                         }
 287
 288                         if ( (tag = ber_peek_tag( &ber, &len ))
 289                             == LBER_ERROR ) {
 290                                 /* log, close and send error */
 291                                 Debug( LDAP_DEBUG_ANY,
 292                                    "ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
 293                                 ber_free( &ber, 1 );
 294                                 close( c.c_sb.sb_sd );
 295                                 c.c_sb.sb_sd = -1;
 296                                 return 1;
 297                         }
 298
 299                         connection_activity( &c );
 300
 301                         ber_free( &ber, 1 );
 302                 }
 303         }
 304         return 1;
 305 }
 306
 307
 308 #ifdef LOG_LOCAL4
 309
 310 /*
 311  *  Convert a string to an integer by means of a dispatcher table
 312  *  if the string is not in the table return the default
 313  */
 314
 315 static int
 316 cnvt_str2int (stringVal, dispatcher, defaultVal)
 317 char      *stringVal;
 318 STRDISP_P  dispatcher;
 319 int        defaultVal;
 320 {
 321     int        retVal = defaultVal;
 322     STRDISP_P  disp;
 323
 324     for (disp = dispatcher; disp->stringVal; disp++) {
 325
 326         if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
 327
 328             retVal = disp->intVal;
 329             break;
 330
 331         }
 332     }
 333
 334     return (retVal);
 335
 336 } /* cnvt_str2int */
 337
 338 #endif  /* LOG_LOCAL4 */
 339