Apply timeout to Fsecure malware response. Bug 1549

[users/heiko/exim.git] / src / src / exim.c

diff --git a/src/src/exim.c b/src/src/exim.c
index 6a2336450fabc909f74624d2cf528b531eade000..907e9a5c17c57c6f2b1ebb40521a33b6ce22b3d5 100644 (file)
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -12,6 +12,13 @@ Also a few functions that don't naturally fit elsewhere. */
 
 #include "exim.h"
 
+#ifdef USE_GNUTLS
+# include <gnutls/gnutls.h>
+# if GNUTLS_VERSION_NUMBER < 0x030103 && !defined(DISABLE_OCSP)
+#  define DISABLE_OCSP
+# endif
+#endif
+
 extern void init_lookup_list(void);
 
 
@@ -267,6 +274,10 @@ will wait for ever, so we panic in this instance. (There was a case of this
 when a bug in a function that calls milliwait() caused it to pass invalid data.
 That's when I added the check. :-)
 
+We assume it to be not worth sleeping for under 100us; this value will
+require revisiting as hardware advances.  This avoids the issue of
+a zero-valued timer setting meaning "never fire".
+
 Argument:  an itimerval structure containing the interval
 Returns:   nothing
 */
@@ -276,6 +287,9 @@ milliwait(struct itimerval *itval)
 {
 sigset_t sigmask;
 sigset_t old_sigmask;
+
+if (itval->it_value.tv_usec < 100 && itval->it_value.tv_sec == 0)
+  return;
 (void)sigemptyset(&sigmask);                           /* Empty mask */
 (void)sigaddset(&sigmask, SIGALRM);                    /* Add SIGALRM */
 (void)sigprocmask(SIG_BLOCK, &sigmask, &old_sigmask);  /* Block SIGALRM */
@@ -310,8 +324,7 @@ struct itimerval itval;
 itval.it_interval.tv_sec = 0;
 itval.it_interval.tv_usec = 0;
 itval.it_value.tv_sec = msec/1000;
-if ((itval.it_value.tv_usec = (msec % 1000) * 1000) == 0)
-  itval.it_value.tv_usec = 1;
+itval.it_value.tv_usec = (msec % 1000) * 1000;
 milliwait(&itval);
 }
 
@@ -821,6 +834,9 @@ fprintf(f, "Support for:");
 #ifdef EXPERIMENTAL_BRIGHTMAIL
   fprintf(f, " Experimental_Brightmail");
 #endif
+#ifdef EXPERIMENTAL_DANE
+  fprintf(f, " Experimental_DANE");
+#endif
 #ifdef EXPERIMENTAL_DCC
   fprintf(f, " Experimental_DCC");
 #endif
@@ -830,18 +846,12 @@ fprintf(f, "Support for:");
 #ifdef EXPERIMENTAL_PROXY
   fprintf(f, " Experimental_Proxy");
 #endif
-#ifdef EXPERIMENTAL_TPDA
-  fprintf(f, " Experimental_TPDA");
+#ifdef EXPERIMENTAL_EVENT
+  fprintf(f, " Experimental_Event");
 #endif
 #ifdef EXPERIMENTAL_REDIS
   fprintf(f, " Experimental_Redis");
 #endif
-#ifdef EXPERIMENTAL_CERTNAMES
-  fprintf(f, " Experimental_Certnames");
-#endif
-#ifdef EXPERIMENTAL_DSN
-  fprintf(f, " Experimental_DSN");
-#endif
 fprintf(f, "\n");
 
 fprintf(f, "Lookups (built-in):");
@@ -2664,15 +2674,13 @@ for (i = 1; i < argc; i++)
       break;
       }
 
-    #ifdef EXPERIMENTAL_DSN
     /* -MCD: set the smtp_use_dsn flag; this indicates that the host
        that exim is connected to supports the esmtp extension DSN */
-    else if (strcmp(argrest, "CD") == 0)
+    else if (Ustrcmp(argrest, "CD") == 0)
       {
       smtp_use_dsn = TRUE;
       break;
       }
-    #endif
 
     /* -MCP: set the smtp_use_pipelining flag; this is useful only when
     it preceded -MC (see above) */