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
  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 static void
  54 usage( char *name )
  55 {
  56         fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]", name );
  57 #ifdef LOG_LOCAL4
  58     fprintf( stderr, " [-l sysloguser]" );
  59 #endif
  60     fprintf( stderr, "\n" );
  61 }
  62
  63 int
  64 main( int argc, char **argv )
  65 {
  66         int             i;
  67         int             inetd = 0;
  68         int             port;
  69         int             udp;
  70         Backend         *be = NULL;
  71         FILE            *fp = NULL;
  72         char            *configfile;
  73         char    *serverName;
  74 #ifdef LOG_LOCAL4
  75         char *optstring = "d:f:ip:s:ul:";
  76         int     syslogUser = DEFAULT_SYSLOG_USER;
  77 #else
  78         char *optstring = "d:f:ip:s:u";
  79 #endif
  80
  81         configfile = SLAPD_DEFAULT_CONFIGFILE;
  82         port = LDAP_PORT;
  83         g_argc = argc;
  84         g_argv = argv;
  85
  86         while ( (i = getopt( argc, argv, optstring )) != EOF ) {
  87                 switch ( i ) {
  88 #ifdef LDAP_DEBUG
  89                 case 'd':       /* turn on debugging */
  90                         if ( optarg[0] == '?' ) {
  91                                 printf( "Debug levels:\n" );
  92                                 printf( "\tLDAP_DEBUG_TRACE\t%d\n",
  93                                     LDAP_DEBUG_TRACE );
  94                                 printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
  95                                     LDAP_DEBUG_PACKETS );
  96                                 printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
  97                                     LDAP_DEBUG_ARGS );
  98                                 printf( "\tLDAP_DEBUG_CONNS\t%d\n",
  99                                     LDAP_DEBUG_CONNS );
 100                                 printf( "\tLDAP_DEBUG_BER\t\t%d\n",
 101                                     LDAP_DEBUG_BER );
 102                                 printf( "\tLDAP_DEBUG_FILTER\t%d\n",
 103                                     LDAP_DEBUG_FILTER );
 104                                 printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
 105                                     LDAP_DEBUG_CONFIG );
 106                                 printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
 107                                     LDAP_DEBUG_ACL );
 108                                 printf( "\tLDAP_DEBUG_STATS\t%d\n",
 109                                     LDAP_DEBUG_STATS );
 110                                 printf( "\tLDAP_DEBUG_STATS2\t%d\n",
 111                                     LDAP_DEBUG_STATS2 );
 112                                 printf( "\tLDAP_DEBUG_SHELL\t%d\n",
 113                                     LDAP_DEBUG_SHELL );
 114                                 printf( "\tLDAP_DEBUG_PARSE\t%d\n",
 115                                     LDAP_DEBUG_PARSE );
 116                                 printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
 117                                     LDAP_DEBUG_ANY );
 118                                 exit( 0 );
 119                         } else {
 120                                 ldap_debug |= atoi( optarg );
 121                                 lber_debug = (ldap_debug & LDAP_DEBUG_BER);
 122                         }
 123                         break;
 124 #else
 125                 case 'd':       /* turn on debugging */
 126                         fprintf( stderr,
 127                             "must compile with LDAP_DEBUG for debugging\n" );
 128                         break;
 129 #endif
 130
 131                 case 'f':       /* read config file */
 132                         configfile = ch_strdup( optarg );
 133                         break;
 134
 135                 case 'i':       /* run from inetd */
 136                         inetd = 1;
 137                         break;
 138
 139                 case 'p':       /* port on which to listen */
 140                         port = atoi( optarg );
 141                         break;
 142
 143                 case 's':       /* set syslog level */
 144                         ldap_syslog = atoi( optarg );
 145                         break;
 146
 147 #ifdef LOG_LOCAL4
 148                 case 'l':       /* set syslog local user */
 149                         syslogUser = cnvt_str2int( optarg, syslog_types,
 150                                            DEFAULT_SYSLOG_USER );
 151                         break;
 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         Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
 165
 166         if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
 167                 serverName = ch_strdup( argv[0] );
 168         } else {
 169                 serverName = ch_strdup( serverName + 1 );
 170         }
 171
 172         if ( ! inetd ) {
 173                 /* pre-open config file before detach in case it is a relative path */
 174                 fp = fopen( configfile, "r" );
 175 #ifdef LDAP_DEBUG
 176                 lutil_detach( ldap_debug, 0 );
 177 #else
 178                 lutil_detach( 0, 0 );
 179 #endif
 180         }
 181
 182 #ifdef LOG_LOCAL4
 183         openlog( serverName, OPENLOG_OPTIONS, syslogUser );
 184 #else
 185         openlog( serverName, OPENLOG_OPTIONS );
 186 #endif
 187
 188         init();
 189         read_config( configfile, &be, fp );
 190
 191         if ( ! inetd ) {
 192                 int             status;
 193
 194                 (void) SIGNAL( SIGPIPE, SIG_IGN );
 195                 (void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
 196                 (void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
 197                 (void) SIGNAL( SIGTERM, slap_set_shutdown );
 198                 (void) SIGNAL( SIGINT, slap_set_shutdown );
 199                 (void) SIGNAL( SIGHUP, slap_set_shutdown );
 200
 201                 time( &starttime );
 202
 203                 if ( status = ldap_pvt_thread_create( &listener_tid, 0,
 204                         slapd_daemon, (void *) port ) != 0 )
 205                 {
 206                         Debug( LDAP_DEBUG_ANY,
 207                             "listener ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
 208                         exit( 1 );
 209                 }
 210
 211                 ldap_pvt_thread_join( listener_tid, (void *) NULL );
 212
 213                 return 0;
 214
 215         } else {
 216                 Connection              c;
 217                 Operation               *o;
 218                 BerElement              ber;
 219                 unsigned long           len, tag;
 220                 long                    msgid;
 221                 int                     flen;
 222                 struct sockaddr_in      from;
 223                 struct hostent          *hp;
 224
 225                 c.c_dn = NULL;
 226                 c.c_cdn = NULL;
 227                 c.c_ops = NULL;
 228                 c.c_sb.sb_sd = 0;
 229                 c.c_sb.sb_options = 0;
 230                 c.c_sb.sb_naddr = udp ? 1 : 0;
 231                 c.c_sb.sb_ber.ber_buf = NULL;
 232                 c.c_sb.sb_ber.ber_ptr = NULL;
 233                 c.c_sb.sb_ber.ber_end = NULL;
 234                 ldap_pvt_thread_mutex_init( &c.c_dnmutex );
 235                 ldap_pvt_thread_mutex_init( &c.c_opsmutex );
 236                 ldap_pvt_thread_mutex_init( &c.c_pdumutex );
 237 #ifdef notdefcldap
 238                 c.c_sb.sb_addrs = (void **) saddrlist;
 239                 c.c_sb.sb_fromaddr = &faddr;
 240                 c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
 241 #endif
 242                 flen = sizeof(from);
 243                 if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
 244 #ifdef SLAPD_RLOOKUPS
 245                         hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
 246                             sizeof(from.sin_addr.s_addr), AF_INET );
 247 #else
 248                         hp = NULL;
 249 #endif
 250
 251                         Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
 252                             hp == NULL ? "unknown" : hp->h_name,
 253                             inet_ntoa( from.sin_addr ), 0 );
 254
 255                         c.c_addr = inet_ntoa( from.sin_addr );
 256                         c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
 257                 } else {
 258                         Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
 259                             0, 0, 0 );
 260                 }
 261
 262                 ber_init( &ber, 0 );
 263                 while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
 264                     == LDAP_TAG_MESSAGE ) {
 265                         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 266                         time( &currenttime );
 267                         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 268
 269                         if ( (tag = ber_get_int( &ber, &msgid ))
 270                             != LDAP_TAG_MSGID ) {
 271                                 /* log and send error */
 272                                 Debug( LDAP_DEBUG_ANY,
 273                                    "ber_get_int returns 0x%lx\n", tag, 0, 0 );
 274                                 ber_free( &ber, 1 );
 275                                 return 1;
 276                         }
 277
 278                         if ( (tag = ber_peek_tag( &ber, &len ))
 279                             == LBER_ERROR ) {
 280                                 /* log, close and send error */
 281                                 Debug( LDAP_DEBUG_ANY,
 282                                    "ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
 283                                 ber_free( &ber, 1 );
 284                                 close( c.c_sb.sb_sd );
 285                                 c.c_sb.sb_sd = -1;
 286                                 return 1;
 287                         }
 288
 289                         connection_activity( &c );
 290
 291                         ber_free( &ber, 1 );
 292                 }
 293         }
 294         return 1;
 295 }
 296
 297
 298 #ifdef LOG_LOCAL4
 299
 300 /*
 301  *  Convert a string to an integer by means of a dispatcher table
 302  *  if the string is not in the table return the default
 303  */
 304
 305 static int
 306 cnvt_str2int (stringVal, dispatcher, defaultVal)
 307 char      *stringVal;
 308 STRDISP_P  dispatcher;
 309 int        defaultVal;
 310 {
 311     int        retVal = defaultVal;
 312     STRDISP_P  disp;
 313
 314     for (disp = dispatcher; disp->stringVal; disp++) {
 315
 316         if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
 317
 318             retVal = disp->intVal;
 319             break;
 320
 321         }
 322     }
 323
 324     return (retVal);
 325
 326 } /* cnvt_str2int */
 327
 328 #endif  /* LOG_LOCAL4 */
 329