helpers/negotiate_auth/squid_kerb_auth/spnegohelp/spnegohelp.h

   1 /* -----------------------------------------------------------------------------
   2  * spnegohelp.c declares RFC 2478 SPNEGO GSS-API mechanism APIs.
   3  *
   4  * Author: Frank Balluffi
   5  *
   6  * Copyright (C) 2002-2003. All rights reserved.
   7  * -----------------------------------------------------------------------------
   8  */
   9
  10 #ifndef SPNEGOHELP_H
  11 #define SPNEGOHELP_H
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 #include <stddef.h>
  18
  19     /* -----------------------------------------------------------------------------
  20      * makeNegTokenTarg makes an RFC 2478 SPNEGO NegTokenTarg (token) from an
  21      * RFC 1964 Kerberos GSS-API token.
  22      *
  23      * If makeNegTokenTarg is successful, call free (*negTokenTarg) to free the
  24      * memory allocated by parseNegTokenInit.
  25      *
  26      * Returns 0 if successful, 1 otherwise.
  27      * -----------------------------------------------------------------------------
  28      */
  29
  30     int makeNegTokenTarg (const unsigned char *  kerberosToken,
  31     size_t                 kerberosTokenLength,
  32     const unsigned char ** negTokenTarg,
  33     size_t *               negTokenTargLength);
  34
  35     /* -----------------------------------------------------------------------------
  36      * parseNegTokenInit parses an RFC 2478 SPNEGO NegTokenInit (token) to extract
  37      * an RFC 1964 Kerberos GSS-API token.
  38      *
  39      * If the NegTokenInit does cotain a Kerberos GSS-API token, parseNegTokenInit
  40      * returns an error.
  41      *
  42      * If parseNegTokenInit is successful, call free (*kerberosToken) to
  43      * free the memory allocated by parseNegTokenInit.
  44      *
  45      * Returns 0 if successful, 1 otherwise.
  46      * -----------------------------------------------------------------------------
  47      */
  48
  49     int parseNegTokenInit (const unsigned char *  negTokenInit,
  50                            size_t                 negTokenInitLength,
  51                            const unsigned char ** kerberosToken,
  52                            size_t *               kerberosTokenLength);
  53
  54 #ifdef __cplusplus
  55 }
  56 #endif
  57
  58 #endif /* SPNEGOHELP_H */