X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/4e910c01eea401e36044816744691789ef4656fa..251b9eb4698f569864c35127ddb7c309b92ccecb:/src/src/auths/spa.c

diff --git a/src/src/auths/spa.c b/src/src/auths/spa.c
index 378d4f602..97e3b102c 100644
--- a/src/src/auths/spa.c
+++ b/src/src/auths/spa.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* This file, which provides support for Microsoft's Secure Password
@@ -71,6 +71,19 @@ auth_spa_options_block auth_spa_option_defaults = {
 };
 
 
+#ifdef MACRO_PREDEF
+
+/* Dummy values */
+void auth_spa_init(auth_instance *ablock) {}
+int auth_spa_server(auth_instance *ablock, uschar *data) {return 0;}
+int auth_spa_client(auth_instance *ablock, void * sx, int timeout,
+    uschar *buffer, int buffsize) {return 0;}
+
+#else   /*!MACRO_PREDEF*/
+
+
+
+
 /*************************************************
 *          Initialization entry point            *
 *************************************************/
@@ -110,7 +123,7 @@ ablock->server = ob->spa_serverpassword != NULL;
 
 /* For interface, see auths/README */
 
-#define CVAL(buf,pos) (((unsigned char *)(buf))[pos])
+#define CVAL(buf,pos) ((US (buf))[pos])
 #define PVAL(buf,pos) ((unsigned)CVAL(buf,pos))
 #define SVAL(buf,pos) (PVAL(buf,pos)|PVAL(buf,(pos)+1)<<8)
 #define IVAL(buf,pos) (SVAL(buf,pos)|SVAL(buf,(pos)+2)<<16)
@@ -138,7 +151,7 @@ if ((*data == '\0') &&
   return FAIL;
   }
 
-if (spa_base64_to_bits((char *)(&request), sizeof(request), (const char *)(data)) < 0)
+if (spa_base64_to_bits(CS (&request), sizeof(request), CCS (data)) < 0)
   {
   DEBUG(D_auth) debug_printf("auth_spa_server(): bad base64 data in "
   "request: %s\n", data);
@@ -158,7 +171,7 @@ if (auth_get_no64_data(&data, msgbuf) != OK)
   }
 
 /* dump client response */
-if (spa_base64_to_bits((char *)(&response), sizeof(response), (const char *)(data)) < 0)
+if (spa_base64_to_bits(CS (&response), sizeof(response), CCS (data)) < 0)
   {
   DEBUG(D_auth) debug_printf("auth_spa_server(): bad base64 data in "
   "response: %s\n", data);
@@ -211,7 +224,7 @@ debug_print_string(ablock->server_debug_string);    /* customized debug */
 clearpass = expand_string(ob->spa_serverpassword);
 if (clearpass == NULL)
   {
-  if (expand_string_forcedfail)
+  if (f.expand_string_forcedfail)
     {
     DEBUG(D_auth) debug_printf("auth_spa_server(): forced failure while "
       "expanding spa_serverpassword\n");
@@ -255,8 +268,7 @@ return FAIL;
 int
 auth_spa_client(
   auth_instance *ablock,                 /* authenticator block */
-  smtp_inblock *inblock,                 /* connection inblock */
-  smtp_outblock *outblock,               /* connection outblock */
+  void * sx,				 /* connection */
   int timeout,                           /* command timeout */
   uschar *buffer,                        /* buffer for reading response */
   int buffsize)                          /* size of buffer */
@@ -276,7 +288,7 @@ char *username, *password;
 
 if (!(username = CS expand_string(ob->spa_username)))
   {
-  if (expand_string_forcedfail) return CANCELLED;
+  if (f.expand_string_forcedfail) return CANCELLED;
   string_format(buffer, buffsize, "expansion of \"%s\" failed in %s "
    "authenticator: %s", ob->spa_username, ablock->name,
    expand_string_message);
@@ -285,7 +297,7 @@ if (!(username = CS expand_string(ob->spa_username)))
 
 if (!(password = CS expand_string(ob->spa_password)))
   {
-  if (expand_string_forcedfail) return CANCELLED;
+  if (f.expand_string_forcedfail) return CANCELLED;
   string_format(buffer, buffsize, "expansion of \"%s\" failed in %s "
    "authenticator: %s", ob->spa_password, ablock->name,
    expand_string_message);
@@ -293,25 +305,22 @@ if (!(password = CS expand_string(ob->spa_password)))
   }
 
 if (ob->spa_domain)
-  {
   if (!(domain = CS expand_string(ob->spa_domain)))
     {
-    if (expand_string_forcedfail) return CANCELLED;
+    if (f.expand_string_forcedfail) return CANCELLED;
     string_format(buffer, buffsize, "expansion of \"%s\" failed in %s "
 		  "authenticator: %s", ob->spa_domain, ablock->name,
 		  expand_string_message);
     return ERROR;
     }
-  }
 
 /* Original code */
 
-if (smtp_write_command(outblock, SCMD_FLUSH, "AUTH %s\r\n",
-    ablock->public_name) < 0)
+if (smtp_write_command(sx, SCMD_FLUSH, "AUTH %s\r\n", ablock->public_name) < 0)
   return FAIL_SEND;
 
 /* wait for the 3XX OK message */
-if (!smtp_read_response(inblock, (uschar *)buffer, buffsize, '3', timeout))
+if (!smtp_read_response(sx, US buffer, buffsize, '3', timeout))
   return FAIL;
 
 DSPA("\n\n%s authenticator: using domain %s\n\n", ablock->name, domain);
@@ -323,16 +332,16 @@ spa_bits_to_base64 (US msgbuf, (unsigned char*)&request,
 DSPA("\n\n%s authenticator: sending request (%s)\n\n", ablock->name, msgbuf);
 
 /* send the encrypted password */
-if (smtp_write_command(outblock, SCMD_FLUSH, "%s\r\n", msgbuf) < 0)
+if (smtp_write_command(sx, SCMD_FLUSH, "%s\r\n", msgbuf) < 0)
   return FAIL_SEND;
 
 /* wait for the auth challenge */
-if (!smtp_read_response(inblock, (uschar *)buffer, buffsize, '3', timeout))
+if (!smtp_read_response(sx, US buffer, buffsize, '3', timeout))
   return FAIL;
 
 /* convert the challenge into the challenge struct */
 DSPA("\n\n%s authenticator: challenge (%s)\n\n", ablock->name, buffer + 4);
-spa_base64_to_bits ((char *)(&challenge), sizeof(challenge), (const char *)(buffer + 4));
+spa_base64_to_bits (CS (&challenge), sizeof(challenge), CCS (buffer + 4));
 
 spa_build_auth_response (&challenge, &response, CS username, CS password);
 spa_bits_to_base64 (US msgbuf, (unsigned char*)&response,
@@ -340,14 +349,14 @@ spa_bits_to_base64 (US msgbuf, (unsigned char*)&response,
 DSPA("\n\n%s authenticator: challenge response (%s)\n\n", ablock->name, msgbuf);
 
 /* send the challenge response */
-if (smtp_write_command(outblock, SCMD_FLUSH, "%s\r\n", msgbuf) < 0)
+if (smtp_write_command(sx, SCMD_FLUSH, "%s\r\n", msgbuf) < 0)
        return FAIL_SEND;
 
 /* If we receive a success response from the server, authentication
 has succeeded. There may be more data to send, but is there any point
 in provoking an error here? */
 
-if (smtp_read_response(inblock, US buffer, buffsize, '2', timeout))
+if (smtp_read_response(sx, US buffer, buffsize, '2', timeout))
   return OK;
 
 /* Not a success response. If errno != 0 there is some kind of transmission
@@ -360,4 +369,5 @@ if (errno != 0 || buffer[0] != '3')
 return FAIL;
 }
 
+#endif   /*!MACRO_PREDEF*/
 /* End of spa.c */