git.sur5r.net Git - openldap/blob - servers/slapd/repl.c

   1 /* repl.c - log modifications for replication purposes */
   2
   3 #include "portable.h"
   4
   5 #include <stdio.h>
   6
   7 #include <ac/string.h>
   8 #include <ac/ctype.h>
   9 #include <ac/socket.h>
  10
  11 #ifdef HAVE_SYS_FILE_H
  12 #include <sys/file.h>
  13 #endif
  14
  15 #include "slap.h"
  16
  17
  18 void
  19 replog(
  20     Backend     *be,
  21     int         optype,
  22     char        *dn,
  23     void        *change,
  24     int         flag
  25 )
  26 {
  27         LDAPModList     *ml;
  28         Entry   *e;
  29         char    *newrdn, *tmp;
  30         int     deleteoldrdn;
  31         FILE    *fp, *lfp;
  32         int     len, i;
  33
  34         if ( be->be_replogfile == NULL && replogfile == NULL ) {
  35                 return;
  36         }
  37
  38         ldap_pvt_thread_mutex_lock( &replog_mutex );
  39         if ( (fp = lock_fopen( be->be_replogfile ? be->be_replogfile :
  40             replogfile, "a", &lfp )) == NULL ) {
  41                 ldap_pvt_thread_mutex_unlock( &replog_mutex );
  42                 return;
  43         }
  44
  45         for ( i = 0; be->be_replica != NULL && be->be_replica[i] != NULL;
  46             i++ ) {
  47                 fprintf( fp, "replica: %s\n", be->be_replica[i] );
  48         }
  49         fprintf( fp, "time: %ld\n", (long) currenttime );
  50         fprintf( fp, "dn: %s\n", dn );
  51
  52         switch ( optype ) {
  53         case LDAP_REQ_MODIFY:
  54                 fprintf( fp, "changetype: modify\n" );
  55                 ml = change;
  56                 for ( ; ml != NULL; ml = ml->ml_next ) {
  57                         switch ( ml->ml_op & ~LDAP_MOD_BVALUES ) {
  58                         case LDAP_MOD_ADD:
  59                                 fprintf( fp, "add: %s\n", ml->ml_type );
  60                                 break;
  61
  62                         case LDAP_MOD_DELETE:
  63                                 fprintf( fp, "delete: %s\n", ml->ml_type );
  64                                 break;
  65
  66                         case LDAP_MOD_REPLACE:
  67                                 fprintf( fp, "replace: %s\n", ml->ml_type );
  68                                 break;
  69                         }
  70
  71                         for ( i = 0; ml->ml_bvalues != NULL &&
  72                             ml->ml_bvalues[i] != NULL; i++ ) {
  73                                 char    *buf, *bufp;
  74
  75                                 len = strlen( ml->ml_type );
  76                                 len = LDIF_SIZE_NEEDED( len,
  77                                     ml->ml_bvalues[i]->bv_len ) + 1;
  78                                 buf = (char *) ch_malloc( len );
  79
  80                                 bufp = buf;
  81                                 ldif_put_type_and_value( &bufp, ml->ml_type,
  82                                     ml->ml_bvalues[i]->bv_val,
  83                                     ml->ml_bvalues[i]->bv_len );
  84                                 *bufp = '\0';
  85
  86                                 fputs( buf, fp );
  87
  88                                 free( buf );
  89                         }
  90                         fprintf( fp, "-\n" );
  91                 }
  92                 break;
  93
  94         case LDAP_REQ_ADD:
  95                 e = change;
  96                 fprintf( fp, "changetype: add\n" );
  97                 ldap_pvt_thread_mutex_lock( &entry2str_mutex );
  98                 tmp = entry2str( e, &len, 0 );
  99                 while ( (tmp = strchr( tmp, '\n' )) != NULL ) {
 100                         tmp++;
 101                         if ( ! isspace( (unsigned char) *tmp ) )
 102                                 break;
 103                 }
 104                 fprintf( fp, "%s", tmp );
 105                 ldap_pvt_thread_mutex_unlock( &entry2str_mutex );
 106                 break;
 107
 108         case LDAP_REQ_DELETE:
 109                 fprintf( fp, "changetype: delete\n" );
 110                 break;
 111
 112         case LDAP_REQ_MODRDN:
 113                 newrdn = change;
 114                 fprintf( fp, "changetype: modrdn\n" );
 115                 fprintf( fp, "newrdn: %s\n", newrdn );
 116                 fprintf( fp, "deleteoldrdn: %d\n", flag ? 1 : 0 );
 117         }
 118         fprintf( fp, "\n" );
 119
 120         lock_fclose( fp, lfp );
 121         ldap_pvt_thread_mutex_unlock( &replog_mutex );
 122 }