authsasl.c

   1 /* $Id: authsasl.c,v 1.3 2004/10/21 00:10:49 mrsam Exp $ */
   2
   3 /*
   4 ** Copyright 1998 - 2000 Double Precision, Inc.  See COPYING for
   5 ** distribution information.
   6 */
   7
   8 #include        "courier_auth_config.h"
   9 #include        "courierauthsasl.h"
  10 #include        <stdlib.h>
  11 #include        <ctype.h>
  12 #include        <string.h>
  13 #include        <errno.h>
  14
  15 /* Use the SASL_LIST macro to build authsasl_list */
  16
  17 #define SASL(a,b,c) int b(const char *, const char *, \
  18                         char *(*)(const char *, void *), \
  19                         void *, \
  20                         char **, \
  21                         char **);
  22 SASL_LIST
  23
  24 #undef  SASL
  25
  26 #define SASL(a,b,c) {a, b},
  27
  28 struct authsasl_info authsasl_list[] = {
  29
  30 SASL_LIST
  31
  32         { 0, 0}};
  33
  34 int auth_sasl(const char *method,
  35               const char *initreply,
  36               char *(*callback_func)(const char *, void *),
  37               void *callback_arg,
  38               char **authtype_ptr,              /* Returned - AUTHTYPE */
  39               char **authdata_ptr)
  40 {
  41 int     i;
  42 char    *p, *q;
  43
  44         if ((p=malloc(strlen(method)+1)) == 0)
  45                 return (0);
  46         strcpy(p, method);
  47         for (q=p; *q; q++)
  48                 *q=toupper((int)(unsigned char)*q);
  49
  50         for (i=0; authsasl_list[i].sasl_method; i++)
  51         {
  52                 if (strcmp(p, authsasl_list[i].sasl_method) == 0)
  53                 {
  54                         free(p);
  55                         return ( (*authsasl_list[i].sasl_func)
  56                                  (method,
  57                                   initreply, callback_func,
  58                                   callback_arg,
  59                                   authtype_ptr, authdata_ptr));
  60                 }
  61         }
  62         free(p);
  63         errno=ENOENT;
  64         return (AUTHSASL_ERROR);
  65 }