authsaslclient.c

   1 /* $Id: authsaslclient.c,v 1.4 2004/10/23 17:31:22 mrsam Exp $ */
   2
   3 /*
   4 ** Copyright 2000 Double Precision, Inc.  See COPYING for
   5 ** distribution information.
   6 */
   7
   8 #include        "courier_auth_config.h"
   9 #include        "courierauthsasl.h"
  10 #include        "authsaslclient.h"
  11 #include        <stdlib.h>
  12 #include        <stdio.h>
  13 #include        <ctype.h>
  14 #include        <string.h>
  15 #include        <errno.h>
  16
  17 /* Use the SASL_LIST macro to build authsaslclientlist */
  18
  19 #define SASL(a,b,c) {a, c},
  20
  21 struct authsaslclientlist_info authsaslclientlist[] = {
  22
  23 SASL_LIST
  24
  25         { 0, 0}};
  26
  27 int auth_sasl_client(const struct authsaslclientinfo *info)
  28 {
  29 char *methodbuf;
  30 int     i;
  31
  32         if (!info->sasl_funcs
  33             ||!info->conv_func
  34             ||!info->start_conv_func
  35             || !info->plain_conv_func)  return (AUTHSASL_NOMETHODS);
  36
  37         if ((methodbuf=malloc(strlen(info->sasl_funcs)+1)) == 0)
  38         {
  39                 perror("malloc");
  40                 return (AUTHSASL_NOMETHODS);
  41         }
  42
  43         for (i=0; authsaslclientlist[i].name; i++)
  44         {
  45         char    *p;
  46
  47                 strcpy(methodbuf, info->sasl_funcs);
  48                 for (p=methodbuf; *p; p++)
  49                         *p=toupper((int)(unsigned char)*p);
  50                 for (p=methodbuf; (p=strtok(p, " \t\r\n")) != 0; p=0)
  51                         if (strcmp(p, authsaslclientlist[i].name) == 0)
  52                         {
  53                                 free(methodbuf);
  54                                 return ( (*authsaslclientlist[i].func)(info));
  55                         }
  56         }
  57         free(methodbuf);
  58         return (AUTHSASL_NOMETHODS);
  59 }