Consolidate base64 encode/decode routines.

[exim.git] / src / src / auths / plaintext.c

diff --git a/src/src/auths/plaintext.c b/src/src/auths/plaintext.c
index e4fec348ef5729bcde47ef8b1dca4cf6f09d2cd1..aec079e6715632c95e7b70ea2444993af9132401 100644 (file)
--- a/src/src/auths/plaintext.c
+++ b/src/src/auths/plaintext.c
@@ -1,10 +1,8 @@
-/* $Cambridge: exim/src/src/auths/plaintext.c,v 1.6 2006/10/16 15:44:36 ph10 Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2006 */
+/* Copyright (c) University of Cambridge 1995 - 2015 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 #include "../exim.h"
@@ -68,7 +66,7 @@ auth_plaintext_server(auth_instance *ablock, uschar *data)
 {
 auth_plaintext_options_block *ob =
   (auth_plaintext_options_block *)(ablock->options_block);
-uschar *prompts = ob->server_prompts;
+const uschar *prompts = ob->server_prompts;
 uschar *clear, *end, *s;
 int number = 1;
 int len, rc;
@@ -78,7 +76,7 @@ int sep = 0;
 
 if (prompts != NULL)
   {
-  prompts = expand_string(prompts);
+  prompts = expand_cstring(prompts);
   if (prompts == NULL)
     {
     auth_defer_msg = expand_string_message;
@@ -101,7 +99,7 @@ if (*data != 0)
     }
   else
     {
-    if ((len = auth_b64decode(data, &clear)) < 0) return BAD64;
+    if ((len = b64decode(data, &clear)) < 0) return BAD64;
     end = clear + len;
     while (clear < end && expand_nmax < EXPAND_MAXN)
       {
@@ -123,7 +121,7 @@ while ((s = string_nextinlist(&prompts, &sep, big_buffer, big_buffer_size))
   {
   if (number++ <= expand_nmax) continue;
   if ((rc = auth_get_data(&data, s, Ustrlen(s))) != OK) return rc;
-  if ((len = auth_b64decode(data, &clear)) < 0) return BAD64;
+  if ((len = b64decode(data, &clear)) < 0) return BAD64;
   end = clear + len;
 
   /* This loop must run at least once, in case the length is zero */
@@ -165,7 +163,7 @@ auth_plaintext_client(
 {
 auth_plaintext_options_block *ob =
   (auth_plaintext_options_block *)(ablock->options_block);
-uschar *text = ob->client_send;
+const uschar *text = ob->client_send;
 uschar *s;
 BOOL first = TRUE;
 int sep = 0;
@@ -230,13 +228,13 @@ while ((s = string_nextinlist(&text, &sep, big_buffer, big_buffer_size)) != NULL
     first = FALSE;
     if (smtp_write_command(outblock, FALSE, "AUTH %s%s%s\r\n",
          ablock->public_name, (len == 0)? "" : " ",
-         auth_b64encode(ss, len)) < 0)
+         b64encode(ss, len)) < 0)
       return FAIL_SEND;
     }
   else
     {
     if (smtp_write_command(outblock, FALSE, "%s\r\n",
-          auth_b64encode(ss, len)) < 0)
+          b64encode(ss, len)) < 0)
       return FAIL_SEND;
     }
 
@@ -267,7 +265,7 @@ while ((s = string_nextinlist(&text, &sep, big_buffer, big_buffer_size)) != NULL
   /* Now that we know we'll continue, we put the received data into $auth<n>,
   if possible. First, decode it: buffer+4 skips over the SMTP status code. */
 
-  clear_len = auth_b64decode(buffer+4, &clear);
+  clear_len = b64decode(buffer+4, &clear);
 
   /* If decoding failed, the default is to terminate the authentication, and
   return FAIL, with the SMTP response still in the buffer. However, if client_