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

   1 /*
   2  *  Copyright (c) 1990 Regents of the University of Michigan.
   3  *  All rights reserved.
   4  *
   5  *  friendly.c
   6  */
   7
   8 #include "portable.h"
   9
  10 #ifndef lint
  11 static char copyright[] = "@(#) Copyright (c) 1993 Regents of the University of Michigan.\nAll rights reserved.\n";
  12 #endif
  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
  26 char *
  27 ldap_friendly_name( char *filename, char *uname, FriendlyMap **map )
  28 {
  29         int     i, entries;
  30         FILE    *fp;
  31         char    *s;
  32         char    buf[BUFSIZ];
  33
  34         if ( map == NULL ) {
  35                 errno = EINVAL;
  36                 return( uname );
  37         }
  38
  39         if ( *map == NULL ) {
  40                 if ( (fp = fopen( filename, "r" )) == NULL )
  41                         return( uname );
  42
  43                 entries = 0;
  44                 while ( fgets( buf, sizeof(buf), fp ) != NULL ) {
  45                         if ( buf[0] != '#' )
  46                                 entries++;
  47                 }
  48                 rewind( fp );
  49
  50                 if ( (*map = (FriendlyMap *) malloc( (entries + 1) *
  51                     sizeof(FriendlyMap) )) == NULL ) {
  52                         fclose( fp );
  53                         return( uname );
  54                 }
  55
  56                 i = 0;
  57                 while ( fgets( buf, sizeof(buf), fp ) != NULL && i < entries ) {
  58                         if ( buf[0] == '#' )
  59                                 continue;
  60
  61                         if ( (s = strchr( buf, '\n' )) != NULL )
  62                                 *s = '\0';
  63
  64                         if ( (s = strchr( buf, '\t' )) == NULL )
  65                                 continue;
  66                         *s++ = '\0';
  67
  68                         if ( *s == '"' ) {
  69                                 int     esc = 0, found = 0;
  70
  71                                 for ( ++s; *s && !found; s++ ) {
  72                                         switch ( *s ) {
  73                                         case '\\':
  74                                                 esc = 1;
  75                                                 break;
  76                                         case '"':
  77                                                 if ( !esc )
  78                                                         found = 1;
  79                                                 /* FALL */
  80                                         default:
  81                                                 esc = 0;
  82                                                 break;
  83                                         }
  84                                 }
  85                         }
  86
  87                         (*map)[i].f_unfriendly = strdup( buf );
  88                         (*map)[i].f_friendly = strdup( s );
  89                         i++;
  90                 }
  91
  92                 fclose( fp );
  93                 (*map)[i].f_unfriendly = NULL;
  94         }
  95
  96         for ( i = 0; (*map)[i].f_unfriendly != NULL; i++ ) {
  97                 if ( strcasecmp( uname, (*map)[i].f_unfriendly ) == 0 )
  98                         return( (*map)[i].f_friendly );
  99         }
 100         return( uname );
 101 }
 102
 103
 104 void
 105 ldap_free_friendlymap( FriendlyMap **map )
 106 {
 107         struct friendly* pF = *map;
 108
 109         if ( pF == NULL )
 110                 return;
 111
 112         while ( pF->f_unfriendly )
 113         {
 114                 free( pF->f_unfriendly );
 115                 free( pF->f_friendly );
 116                 pF++;
 117         }
 118         free( *map );
 119         *map = NULL;
 120 }