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 "ldap-int.h"
  24
  25 char *
  26 ldap_friendly_name( char *filename, char *uname, LDAPFriendlyMap **map )
  27 {
  28         int     i, entries;
  29         FILE    *fp;
  30         char    *s;
  31         char    buf[BUFSIZ];
  32
  33         if ( map == NULL ) {
  34                 errno = EINVAL;
  35                 return( uname );
  36         }
  37
  38         if ( *map == NULL ) {
  39                 if ( (fp = fopen( filename, "r" )) == NULL )
  40                         return( uname );
  41
  42                 entries = 0;
  43                 while ( fgets( buf, sizeof(buf), fp ) != NULL ) {
  44                         if ( buf[0] != '#' )
  45                                 entries++;
  46                 }
  47                 rewind( fp );
  48
  49                 if ( (*map = (LDAPFriendlyMap *) malloc( (entries + 1) *
  50                     sizeof(LDAPFriendlyMap) )) == NULL ) {
  51                         fclose( fp );
  52                         return( uname );
  53                 }
  54
  55                 i = 0;
  56                 while ( fgets( buf, sizeof(buf), fp ) != NULL && i < entries ) {
  57                         if ( buf[0] == '#' )
  58                                 continue;
  59
  60                         if ( (s = strchr( buf, '\n' )) != NULL )
  61                                 *s = '\0';
  62
  63                         if ( (s = strchr( buf, '\t' )) == NULL )
  64                                 continue;
  65                         *s++ = '\0';
  66
  67                         if ( *s == '"' ) {
  68                                 int     esc = 0, found = 0;
  69
  70                                 for ( ++s; *s && !found; s++ ) {
  71                                         switch ( *s ) {
  72                                         case '\\':
  73                                                 esc = 1;
  74                                                 break;
  75                                         case '"':
  76                                                 if ( !esc )
  77                                                         found = 1;
  78                                                 /* FALL */
  79                                         default:
  80                                                 esc = 0;
  81                                                 break;
  82                                         }
  83                                 }
  84                         }
  85
  86                         (*map)[i].lf_unfriendly = strdup( buf );
  87                         (*map)[i].lf_friendly   = strdup( s );
  88                         i++;
  89                 }
  90
  91                 fclose( fp );
  92                 (*map)[i].lf_unfriendly = NULL;
  93         }
  94
  95         for ( i = 0; (*map)[i].lf_unfriendly != NULL; i++ ) {
  96                 if ( strcasecmp( uname, (*map)[i].lf_unfriendly ) == 0 )
  97                         return( (*map)[i].lf_friendly );
  98         }
  99         return( uname );
 100 }
 101
 102
 103 void
 104 ldap_free_friendlymap( LDAPFriendlyMap **map )
 105 {
 106         LDAPFriendlyMap* pF = *map;
 107
 108         if ( pF == NULL )
 109                 return;
 110
 111         while ( pF->lf_unfriendly )
 112         {
 113                 free( pF->lf_unfriendly );
 114                 free( pF->lf_friendly );
 115                 pF++;
 116         }
 117         free( *map );
 118         *map = NULL;
 119 }