* sysutils.c (disable_core_dumps): Only set the current limit.

(enable_core_dumps): New.

* gpgsm.texi (Esoteric Options): Add --debug-allow-core-dump.

* gpgsm.c: New option --debug-allow-core-dump.

* gpgsm.h (opt): Add member CONFIG_FILENAME.
* gpgsm.c (main): Use it here instead of the local var.

* server.c (gpgsm_server): Print some additional information with
the hello in verbose mode.

1 files changed, 30 insertions, 7 deletions

diff --git a/common/sysutils.c b/common/sysutils.c
index 4948af57f..97fa23d95 100644
--- a/common/sysutils.c
+++ b/common/sysutils.c
@@ -70,21 +70,44 @@ trap_unaligned(void)
 int
 disable_core_dumps (void)
 {
- #ifdef HAVE_DOSISH_SYSTEM
+#ifdef HAVE_DOSISH_SYSTEM
     return 0;
- #else
-  #ifdef HAVE_SETRLIMIT
+#else
+# ifdef HAVE_SETRLIMIT
     struct rlimit limit;
 
+    /* We only set the current limit unless we were not able to
+       retrieve the old value. */
+    if (getrlimit (RLIMIT_CORE, &limit))
+      limit.rlim_max = 0;
     limit.rlim_cur = 0;
-    limit.rlim_max = 0;
-    if( !setrlimit( RLIMIT_CORE, &limit ) )
+    if( !setrlimit (RLIMIT_CORE, &limit) )
 	return 0;
     if( errno != EINVAL && errno != ENOSYS )
 	log_fatal (_("can't disable core dumps: %s\n"), strerror(errno) );
-  #endif
+#endif
+    return 1;
+#endif
+}
+
+int
+enable_core_dumps (void)
+{
+#ifdef HAVE_DOSISH_SYSTEM
+    return 0;
+#else
+# ifdef HAVE_SETRLIMIT
+    struct rlimit limit;
+
+    if (getrlimit (RLIMIT_CORE, &limit))
+      return 1;
+    limit.rlim_cur = limit.rlim_max;
+    setrlimit (RLIMIT_CORE, &limit);
+    return 1; /* We always return true because trhis function is
+                 merely a debugging aid. */
+#endif
     return 1;
- #endif
+#endif
 }