git.sur5r.net Git - openldap/blob - libraries/libldap/friendly.c

   1 /*
   2  * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
   3  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   4  */
   5 /*  Portions
   6  *  Copyright (c) 1990 Regents of the University of Michigan.
   7  *  All rights reserved.
   8  *
   9  *  friendly.c
  10  */
  11
  12 #include "portable.h"
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16
  17 #include <ac/ctype.h>
  18 #include <ac/errno.h>
  19 #include <ac/socket.h>
  20 #include <ac/string.h>
  21 #include <ac/time.h>
  22
  23 #include "lber.h"
  24 #include "ldap.h"
  25 #include "ldap-int.h"
  26
  27 char *
  28 ldap_friendly_name( char *filename, char *uname, FriendlyMap **map )
  29 {
  30         int     i, entries;
  31         FILE    *fp;
  32         char    *s;
  33         char    buf[BUFSIZ];
  34
  35         if ( map == NULL ) {
  36                 errno = EINVAL;
  37                 return( uname );
  38         }
  39
  40         if ( *map == NULL ) {
  41                 if ( (fp = fopen( filename, "r" )) == NULL )
  42                         return( uname );
  43
  44                 entries = 0;
  45                 while ( fgets( buf, sizeof(buf), fp ) != NULL ) {
  46                         if ( buf[0] != '#' )
  47                                 entries++;
  48                 }
  49                 rewind( fp );
  50
  51                 if ( (*map = (FriendlyMap *) malloc( (entries + 1) *
  52                     sizeof(FriendlyMap) )) == NULL ) {
  53                         fclose( fp );
  54                         return( uname );
  55                 }
  56
  57                 i = 0;
  58                 while ( fgets( buf, sizeof(buf), fp ) != NULL && i < entries ) {
  59                         if ( buf[0] == '#' )
  60                                 continue;
  61
  62                         if ( (s = strchr( buf, '\n' )) != NULL )
  63                                 *s = '\0';
  64
  65                         if ( (s = strchr( buf, '\t' )) == NULL )
  66                                 continue;
  67                         *s++ = '\0';
  68
  69                         if ( *s == '"' ) {
  70                                 int     esc = 0, found = 0;
  71
  72                                 for ( ++s; *s && !found; s++ ) {
  73                                         switch ( *s ) {
  74                                         case '\\':
  75                                                 esc = 1;
  76                                                 break;
  77                                         case '"':
  78                                                 if ( !esc )
  79                                                         found = 1;
  80                                                 /* FALL */
  81                                         default:
  82                                                 esc = 0;
  83                                                 break;
  84                                         }
  85                                 }
  86                         }
  87
  88                         (*map)[i].f_unfriendly = ldap_strdup( buf );
  89                         (*map)[i].f_friendly   = ldap_strdup( s );
  90                         i++;
  91                 }
  92
  93                 fclose( fp );
  94                 (*map)[i].f_unfriendly = NULL;
  95         }
  96
  97         for ( i = 0; (*map)[i].f_unfriendly != NULL; i++ ) {
  98                 if ( strcasecmp( uname, (*map)[i].f_unfriendly ) == 0 )
  99                         return( (*map)[i].f_friendly );
 100         }
 101         return( uname );
 102 }
 103
 104
 105 void
 106 ldap_free_friendlymap( FriendlyMap **map )
 107 {
 108         struct friendly* pF = *map;
 109
 110         if ( pF == NULL )
 111                 return;
 112
 113         while ( pF->f_unfriendly )
 114         {
 115                 free( pF->f_unfriendly );
 116                 free( pF->f_friendly );
 117                 pF++;
 118         }
 119         free( *map );
 120         *map = NULL;
 121 }