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  * when more than one slapd is running on one machine, each one might have
  16  * it's own LOCAL for syslogging and must have its own pid/args files
  17  */
  18
  19 #ifdef LOG_LOCAL4
  20
  21 #define DEFAULT_SYSLOG_USER  LOG_LOCAL4
  22
  23 typedef struct _str2intDispatch {
  24
  25         char    *stringVal;
  26         int      abbr;
  27         int      intVal;
  28
  29 } STRDISP, *STRDISP_P;
  30
  31
  32 /* table to compute syslog-options to integer */
  33 static STRDISP  syslog_types[] = {
  34
  35     { "LOCAL0",         6, LOG_LOCAL0 },
  36     { "LOCAL1",         6, LOG_LOCAL1 },
  37     { "LOCAL2",         6, LOG_LOCAL2 },
  38     { "LOCAL3",         6, LOG_LOCAL3 },
  39     { "LOCAL4",         6, LOG_LOCAL4 },
  40     { "LOCAL5",         6, LOG_LOCAL5 },
  41     { "LOCAL6",         6, LOG_LOCAL6 },
  42     { "LOCAL7",         6, LOG_LOCAL7 },
  43     NULL
  44
  45 };
  46
  47 static int   cnvt_str2int();
  48
  49 #endif  /* LOG_LOCAL4 */
  50
  51
  52 static void
  53 usage( char *name )
  54 {
  55         fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]", name );
  56 #ifdef LOG_LOCAL4
  57     fprintf( stderr, " [-l sysloguser]" );
  58 #endif
  59     fprintf( stderr, "\n" );
  60 }
  61
  62 int
  63 main( int argc, char **argv )
  64 {
  65         int             i;
  66         int             inetd = 0;
  67         int             port;
  68         int             udp;
  69         Backend         *be = NULL;
  70         FILE            *fp = NULL;
  71         char            *configfile;
  72         char    *serverName;
  73 #ifdef LOG_LOCAL4
  74         int     syslogUser = DEFAULT_SYSLOG_USER;
  75 #endif
  76
  77         configfile = SLAPD_DEFAULT_CONFIGFILE;
  78         port = LDAP_PORT;
  79         g_argc = argc;
  80         g_argv = argv;
  81
  82         while ( (i = getopt( argc, argv, "d:f:ip:s:u" )) != EOF ) {
  83                 switch ( i ) {
  84 #ifdef LDAP_DEBUG
  85                 case 'd':       /* turn on debugging */
  86                         if ( optarg[0] == '?' ) {
  87                                 printf( "Debug levels:\n" );
  88                                 printf( "\tLDAP_DEBUG_TRACE\t%d\n",
  89                                     LDAP_DEBUG_TRACE );
  90                                 printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
  91                                     LDAP_DEBUG_PACKETS );
  92                                 printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
  93                                     LDAP_DEBUG_ARGS );
  94                                 printf( "\tLDAP_DEBUG_CONNS\t%d\n",
  95                                     LDAP_DEBUG_CONNS );
  96                                 printf( "\tLDAP_DEBUG_BER\t\t%d\n",
  97                                     LDAP_DEBUG_BER );
  98                                 printf( "\tLDAP_DEBUG_FILTER\t%d\n",
  99                                     LDAP_DEBUG_FILTER );
 100                                 printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
 101                                     LDAP_DEBUG_CONFIG );
 102                                 printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
 103                                     LDAP_DEBUG_ACL );
 104                                 printf( "\tLDAP_DEBUG_STATS\t%d\n",
 105                                     LDAP_DEBUG_STATS );
 106                                 printf( "\tLDAP_DEBUG_STATS2\t%d\n",
 107                                     LDAP_DEBUG_STATS2 );
 108                                 printf( "\tLDAP_DEBUG_SHELL\t%d\n",
 109                                     LDAP_DEBUG_SHELL );
 110                                 printf( "\tLDAP_DEBUG_PARSE\t%d\n",
 111                                     LDAP_DEBUG_PARSE );
 112                                 printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
 113                                     LDAP_DEBUG_ANY );
 114                                 exit( 0 );
 115                         } else {
 116                                 ldap_debug |= atoi( optarg );
 117                                 lber_debug = (ldap_debug & LDAP_DEBUG_BER);
 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                 default:
 157                         usage( argv[0] );
 158                         exit( 1 );
 159                 }
 160         }
 161
 162         Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
 163
 164         if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
 165                 serverName = ch_strdup( argv[0] );
 166         } else {
 167                 serverName = ch_strdup( serverName + 1 );
 168         }
 169
 170         if ( ! inetd ) {
 171                 /* pre-open config file before detach in case it is a relative path */
 172                 fp = fopen( configfile, "r" );
 173 #ifdef LDAP_DEBUG
 174                 lutil_detach( ldap_debug, 0 );
 175 #else
 176                 lutil_detach( 0, 0 );
 177 #endif
 178         }
 179
 180 #ifdef LOG_LOCAL4
 181         openlog( serverName, OPENLOG_OPTIONS, syslogUser );
 182 #else
 183         openlog( serverName, OPENLOG_OPTIONS );
 184 #endif
 185
 186         init();
 187         read_config( configfile, &be, fp );
 188
 189         if ( ! inetd ) {
 190                 int             status;
 191
 192                 time( &starttime );
 193
 194                 if ( status = ldap_pvt_thread_create( &listener_tid, 0,
 195                         slapd_daemon, (void *) port ) != 0 )
 196                 {
 197                         Debug( LDAP_DEBUG_ANY,
 198                             "listener ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
 199                         exit( 1 );
 200                 }
 201
 202                 ldap_pvt_thread_join( listener_tid, (void *) NULL );
 203
 204                 return 0;
 205
 206         } else {
 207                 Connection              c;
 208                 Operation               *o;
 209                 BerElement              ber;
 210                 unsigned long           len, tag;
 211                 long                    msgid;
 212                 int                     flen;
 213                 struct sockaddr_in      from;
 214                 struct hostent          *hp;
 215
 216                 c.c_dn = NULL;
 217                 c.c_cdn = NULL;
 218                 c.c_ops = NULL;
 219                 c.c_sb.sb_sd = 0;
 220                 c.c_sb.sb_options = 0;
 221                 c.c_sb.sb_naddr = udp ? 1 : 0;
 222                 c.c_sb.sb_ber.ber_buf = NULL;
 223                 c.c_sb.sb_ber.ber_ptr = NULL;
 224                 c.c_sb.sb_ber.ber_end = NULL;
 225                 ldap_pvt_thread_mutex_init( &c.c_dnmutex );
 226                 ldap_pvt_thread_mutex_init( &c.c_opsmutex );
 227                 ldap_pvt_thread_mutex_init( &c.c_pdumutex );
 228 #ifdef notdefcldap
 229                 c.c_sb.sb_addrs = (void **) saddrlist;
 230                 c.c_sb.sb_fromaddr = &faddr;
 231                 c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
 232 #endif
 233                 flen = sizeof(from);
 234                 if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
 235 #ifdef SLAPD_RLOOKUPS
 236                         hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
 237                             sizeof(from.sin_addr.s_addr), AF_INET );
 238 #else
 239                         hp = NULL;
 240 #endif
 241
 242                         Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
 243                             hp == NULL ? "unknown" : hp->h_name,
 244                             inet_ntoa( from.sin_addr ), 0 );
 245
 246                         c.c_addr = inet_ntoa( from.sin_addr );
 247                         c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
 248                 } else {
 249                         Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
 250                             0, 0, 0 );
 251                 }
 252
 253                 ber_init( &ber, 0 );
 254                 while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
 255                     == LDAP_TAG_MESSAGE ) {
 256                         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 257                         time( &currenttime );
 258                         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 259
 260                         if ( (tag = ber_get_int( &ber, &msgid ))
 261                             != LDAP_TAG_MSGID ) {
 262                                 /* log and send error */
 263                                 Debug( LDAP_DEBUG_ANY,
 264                                    "ber_get_int returns 0x%lx\n", tag, 0, 0 );
 265                                 ber_free( &ber, 1 );
 266                                 return 1;
 267                         }
 268
 269                         if ( (tag = ber_peek_tag( &ber, &len ))
 270                             == LBER_ERROR ) {
 271                                 /* log, close and send error */
 272                                 Debug( LDAP_DEBUG_ANY,
 273                                    "ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
 274                                 ber_free( &ber, 1 );
 275                                 close( c.c_sb.sb_sd );
 276                                 c.c_sb.sb_sd = -1;
 277                                 return 1;
 278                         }
 279
 280                         connection_activity( &c );
 281
 282                         ber_free( &ber, 1 );
 283                 }
 284         }
 285         return 1;
 286 }
 287
 288
 289 #ifdef LOG_LOCAL4
 290
 291 /*
 292  *  Convert a string to an integer by means of a dispatcher table
 293  *  if the string is not in the table return the default
 294  */
 295
 296 static int
 297 cnvt_str2int (stringVal, dispatcher, defaultVal)
 298 char      *stringVal;
 299 STRDISP_P  dispatcher;
 300 int        defaultVal;
 301 {
 302     int        retVal = defaultVal;
 303     STRDISP_P  disp;
 304
 305     for (disp = dispatcher; disp->stringVal; disp++) {
 306
 307         if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
 308
 309             retVal = disp->intVal;
 310             break;
 311
 312         }
 313     }
 314
 315     return (retVal);
 316
 317 } /* cnvt_str2int */
 318
 319 #endif  /* LOG_LOCAL4 */
 320