authsaslclient.c

   1
   2 /*
   3 ** Copyright 2000-2008 Double Precision, Inc.  See COPYING for
   4 ** distribution information.
   5 */
   6
   7 #include        "courier_auth_config.h"
   8 #include        "courierauthsasl.h"
   9 #include        "authsaslclient.h"
  10 #include        <stdlib.h>
  11 #include        <stdio.h>
  12 #include        <ctype.h>
  13 #include        <string.h>
  14 #include        <errno.h>
  15
  16 /* Use the SASL_LIST macro to build authsaslclientlist */
  17
  18 #define SASL(a,b,c) {a, c},
  19
  20 struct authsaslclientlist_info authsaslclientlist[] = {
  21
  22 SASL_LIST
  23
  24         { 0, 0}};
  25
  26 int auth_sasl_client(const struct authsaslclientinfo *info)
  27 {
  28 char *methodbuf;
  29 int     i;
  30
  31         if (!info->sasl_funcs
  32             ||!info->conv_func
  33             ||!info->start_conv_func
  34             || !info->plain_conv_func)  return (AUTHSASL_NOMETHODS);
  35
  36         if ((methodbuf=malloc(strlen(info->sasl_funcs)+1)) == 0)
  37         {
  38                 perror("malloc");
  39                 return (AUTHSASL_NOMETHODS);
  40         }
  41
  42         for (i=0; authsaslclientlist[i].name; i++)
  43         {
  44         char    *p;
  45
  46                 strcpy(methodbuf, info->sasl_funcs);
  47                 for (p=methodbuf; *p; p++)
  48                         *p=toupper((int)(unsigned char)*p);
  49                 for (p=methodbuf; (p=strtok(p, " \t\r\n")) != 0; p=0)
  50                         if (strcmp(p, authsaslclientlist[i].name) == 0)
  51                         {
  52                                 free(methodbuf);
  53                                 return ( (*authsaslclientlist[i].func)(info));
  54                         }
  55         }
  56         free(methodbuf);
  57         return (AUTHSASL_NOMETHODS);
  58 }