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 {
  16 #endif
  17
  18 #include <stddef.h>
  19
  20     /* -----------------------------------------------------------------------------
  21      * makeNegTokenTarg makes an RFC 2478 SPNEGO NegTokenTarg (token) from an
  22      * RFC 1964 Kerberos GSS-API token.
  23      *
  24      * If makeNegTokenTarg is successful, call free (*negTokenTarg) to free the
  25      * memory allocated by parseNegTokenInit.
  26      *
  27      * Returns 0 if successful, 1 otherwise.
  28      * -----------------------------------------------------------------------------
  29      */
  30
  31     int makeNegTokenTarg (const unsigned char *  kerberosToken,
  32                           size_t                 kerberosTokenLength,
  33                           const unsigned char ** negTokenTarg,
  34                           size_t *               negTokenTargLength);
  35
  36     /* -----------------------------------------------------------------------------
  37      * parseNegTokenInit parses an RFC 2478 SPNEGO NegTokenInit (token) to extract
  38      * an RFC 1964 Kerberos GSS-API token.
  39      *
  40      * If the NegTokenInit does cotain a Kerberos GSS-API token, parseNegTokenInit
  41      * returns an error.
  42      *
  43      * If parseNegTokenInit is successful, call free (*kerberosToken) to
  44      * free the memory allocated by parseNegTokenInit.
  45      *
  46      * Returns 0 if successful, 1 otherwise.
  47      * -----------------------------------------------------------------------------
  48      */
  49
  50     int parseNegTokenInit (const unsigned char *  negTokenInit,
  51                            size_t                 negTokenInitLength,
  52                            const unsigned char ** kerberosToken,
  53                            size_t *               kerberosTokenLength);
  54
  55 #ifdef __cplusplus
  56 }
  57 #endif
  58
  59 #endif /* SPNEGOHELP_H */