cramlib.h

   1 #ifndef cramlib_h
   2 #define cramlib_h
   3
   4 #include        "auth.h"
   5
   6 /*
   7 ** Copyright 1998 - 2004 Double Precision, Inc.  See COPYING for
   8 ** distribution information.
   9 */
  10 struct cram_callback_info {
  11         struct hmac_hashinfo *h;
  12         char *user;
  13         char *challenge;
  14         char *response;
  15         int (*callback_func)(struct authinfo *, void *);
  16         void *callback_arg;
  17         };
  18
  19 extern int auth_cram_callback(struct authinfo *a, void *vp);
  20 /*
  21 ** auth_get_cram parses out an authentication request.  It checks whether
  22 ** we have the requisite hash function installed, and, if so, base64decodes
  23 ** the challenge and the response.
  24 */
  25
  26 struct hmac_hashinfo;
  27
  28 int auth_get_cram(const char *authtype,                 /* authtype */
  29                   char *authdata,                       /* authdata */
  30
  31                   struct cram_callback_info *craminfo);
  32                 /* Initializes craminfo */
  33 /*
  34 ** auth_verify_cram attempts to verify the secret cookie.
  35 */
  36
  37 int auth_verify_cram(struct hmac_hashinfo *,    /* The hash function */
  38         const char *,                           /* The challenge */
  39         const char *,                           /* The response */
  40         const char *);                          /* Hashed secret, in hex */
  41
  42 #endif