Make BOOL unsigned; fix resulting latent bugs

[user/henk/code/exim.git] / src / src / tls-gnu.c

diff --git a/src/src/tls-gnu.c b/src/src/tls-gnu.c
index 522bb902666127740c6e8ba473a90edc2c419e11..c9dc4d9be02359ad29a8484d27dd485aea72f15e 100644 (file)
--- a/src/src/tls-gnu.c
+++ b/src/src/tls-gnu.c
@@ -42,6 +42,7 @@ require current GnuTLS, then we'll drop support for the ancient libraries).
 /* needed to disable PKCS11 autoload unless requested */
 #if GNUTLS_VERSION_NUMBER >= 0x020c00
 # include <gnutls/pkcs11.h>
+# define SUPPORT_PARAM_TO_PK_BITS
 #endif
 #if GNUTLS_VERSION_NUMBER < 0x030103 && !defined(DISABLE_OCSP)
 # warning "GnuTLS library version too old; define DISABLE_OCSP in Makefile"
@@ -728,8 +729,12 @@ if ((rc = gnutls_x509_crt_init(&cert))) goto err;
 
 where = US"generating pkey";
 if ((rc = gnutls_x509_privkey_generate(pkey, GNUTLS_PK_RSA,
+#ifdef SUPPORT_PARAM_TO_PK_BITS
            gnutls_sec_param_to_pk_bits(GNUTLS_PK_RSA, GNUTLS_SEC_PARAM_LOW),
-           0)))                        /* _to_pk_bits() Since: 2.12.0 */
+#else
+           1024,
+#endif
+           0)))
   goto err;
 
 where = US"configuring cert";
@@ -1508,7 +1513,7 @@ else
     int sep = 0;
     const uschar * list = state->exp_tls_verify_cert_hostnames;
     uschar * name;
-    while (name = string_nextinlist(&list, &sep, NULL, 0))
+    while ((name = string_nextinlist(&list, &sep, NULL, 0)))
       if (gnutls_x509_crt_check_hostname(state->tlsp->peercert, CS name))
        break;
     if (!name)
@@ -1821,10 +1826,8 @@ state->fd_out = fileno(smtp_out);
 sigalrm_seen = FALSE;
 if (smtp_receive_timeout > 0) alarm(smtp_receive_timeout);
 do
-  {
   rc = gnutls_handshake(state->session);
-  } while ((rc == GNUTLS_E_AGAIN) ||
-      (rc == GNUTLS_E_INTERRUPTED && !sigalrm_seen));
+while (rc == GNUTLS_E_AGAIN ||  rc == GNUTLS_E_INTERRUPTED && !sigalrm_seen);
 alarm(0);
 
 if (rc != GNUTLS_E_SUCCESS)
@@ -1876,6 +1879,7 @@ and initialize appropriately. */
 state->xfer_buffer = store_malloc(ssl_xfer_buffer_size);
 
 receive_getc = tls_getc;
+receive_get_cache = tls_get_cache;
 receive_ungetc = tls_ungetc;
 receive_feof = tls_feof;
 receive_ferror = tls_ferror;
@@ -2176,6 +2180,7 @@ if (state->xfer_buffer_lwm >= state->xfer_buffer_hwm)
     DEBUG(D_tls) debug_printf("Got TLS_EOF\n");
 
     receive_getc = smtp_getc;
+    receive_get_cache = smtp_get_cache;
     receive_ungetc = smtp_ungetc;
     receive_feof = smtp_feof;
     receive_ferror = smtp_ferror;
@@ -2214,6 +2219,17 @@ if (state->xfer_buffer_lwm >= state->xfer_buffer_hwm)
 return state->xfer_buffer[state->xfer_buffer_lwm++];
 }
 
+void
+tls_get_cache()
+{
+#ifndef DISABLE_DKIM
+exim_gnutls_state_st * state = &state_server;
+int n = state->xfer_buffer_hwm - state->xfer_buffer_lwm;
+if (n > 0)
+  dkim_exim_verify_feed(state->xfer_buffer+state->xfer_buffer_lwm, n);
+#endif
+}
+