Build: avoid compiling code for unused transports, routers, authenticators

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

diff --git a/src/src/auths/dovecot.c b/src/src/auths/dovecot.c
index 9b0d437da54ea2924f9bc93028699a10da41b7cc..7f437fa0dbc64e3cae4169925915b319990cd407 100644 (file)
--- a/src/src/auths/dovecot.c
+++ b/src/src/auths/dovecot.c
@@ -1,6 +1,7 @@
 /*
+ * Copyright (c) The Exim Maintainers 2006 - 2023
  * Copyright (c) 2004 Andrey Panin <pazke@donpac.ru>
- * Copyright (c) 2006-2019 The Exim Maintainers
+ * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published
@@ -22,6 +23,8 @@ because using C buffered I/O gives problems on some operating systems. PH */
  */
 
 #include "../exim.h"
+
+#ifdef AUTH_DOVECOT    /* Remainder of file */
 #include "dovecot.h"
 
 #define VERSION_MAJOR  1
@@ -96,13 +99,15 @@ static int socket_buffer_left;
 enable consistency checks to be done, or anything else that needs
 to be set up. */
 
-void auth_dovecot_init(auth_instance *ablock)
+void
+auth_dovecot_init(auth_instance * ablock)
 {
-auth_dovecot_options_block *ob =
+auth_dovecot_options_block * ob =
        (auth_dovecot_options_block *)(ablock->options_block);
 
 if (!ablock->public_name) ablock->public_name = ablock->name;
 if (ob->server_socket) ablock->server = TRUE;
+else DEBUG(D_auth) debug_printf("Dovecot auth driver: no server_socket for %s\n", ablock->public_name);
 ablock->client = FALSE;
 }
 
@@ -275,11 +280,20 @@ if (cctx.sock < 0)
 # ifndef DISABLE_TLS
 if (ob->server_tls)
   {
-  uschar * s;
+  union sockaddr_46 interface_sock;
+  EXIM_SOCKLEN_T size = sizeof(interface_sock);
   smtp_connect_args conn_args = { .host = &host };
-  tls_support tls_dummy = {.sni=NULL};
+  tls_support tls_dummy = { .sni = NULL };
   uschar * errstr;
 
+  if (getsockname(cctx->sock, (struct sockaddr *) &interface_sock, &size) == 0)
+    conn_args.sending_ip_address = host_ntoa(-1, &interface_sock, NULL, NULL);
+  else
+    {
+    *errmsg = string_sprintf("getsockname failed: %s", strerror(errno));
+    goto bad;
+    }
+
   if (!tls_client_start(&cctx, &conn_args, NULL, &tls_dummy, &errstr))
     {
     auth_defer_msg = string_sprintf("TLS connect failed: %s", errstr);
@@ -294,16 +308,14 @@ auth_defer_msg = US"authentication socket protocol error";
 socket_buffer_left = 0;  /* Global, used to read more than a line but return by line */
 for (;;)
   {
-debug_printf("%s %d\n", __FUNCTION__, __LINE__);
   if (!dc_gets(buffer, sizeof(buffer), &cctx))
     OUT("authentication socket read error or premature eof");
-debug_printf("%s %d\n", __FUNCTION__, __LINE__);
   p = buffer + Ustrlen(buffer) - 1;
   if (*p != '\n')
     OUT("authentication socket protocol line too long");
 
   *p = '\0';
-  HDEBUG(D_auth) debug_printf("received: '%s'\n", buffer);
+  HDEBUG(D_auth) debug_printf("  DOVECOT<< '%s'\n", buffer);
 
   nargs = strcut(buffer, args, nelem(args));
 
@@ -413,12 +425,12 @@ if ((
   HDEBUG(D_auth) debug_printf("error sending auth_command: %s\n",
     strerror(errno));
 
-HDEBUG(D_auth) debug_printf("sent: '%s'\n", auth_command);
+HDEBUG(D_auth) debug_printf("  DOVECOT>> '%s'\n", auth_command);
 
 while (1)
   {
-  uschar *temp;
-  uschar *auth_id_pre = NULL;
+  uschar * temp;
+  uschar * auth_id_pre = NULL;
 
   if (!dc_gets(buffer, sizeof(buffer), &cctx))
     {
@@ -427,7 +439,7 @@ while (1)
     }
 
   buffer[Ustrlen(buffer) - 1] = 0;
-  HDEBUG(D_auth) debug_printf("received: '%s'\n", buffer);
+  HDEBUG(D_auth) debug_printf("  DOVECOT<< '%s'\n", buffer);
   nargs = strcut(buffer, args, nelem(args));
   HDEBUG(D_auth) debug_strcut(args, nargs, nelem(args));
 
@@ -461,6 +473,8 @@ while (1)
 #endif
          write(cctx.sock, temp, Ustrlen(temp))) < 0)
        OUT("authentication socket write error");
+
+      HDEBUG(D_auth) debug_printf("  DOVECOT>> '%s'\n", temp);
       break;
 
     case 'F':
@@ -514,8 +528,13 @@ if (cctx.sock >= 0)
   close(cctx.sock);
 
 /* Expand server_condition as an authorization check */
-return ret == OK ? auth_check_serv_cond(ablock) : ret;
+if (ret == OK) ret = auth_check_serv_cond(ablock);
+
+HDEBUG(D_auth) debug_printf("dovecot auth ret: %s\n", rc_names[ret]);
+return ret;
 }
 
 
-#endif   /*!MACRO_PREDEF*/
+#endif /*!MACRO_PREDEF*/
+#endif /*AUTH_DOVECOT*/
+/* end of auths/dovecot.c */