s4-dns: disable segfault handling in dlz_bind9

we don't want bind9 calling the Samba segv handler

3 files changed, 15 insertions, 2 deletions

diff --git a/lib/util/fault.c b/lib/util/fault.c
index bbb3190198..256e55a85b 100644
--- a/lib/util/fault.c
+++ b/lib/util/fault.c
@@ -187,9 +187,10 @@ setup our fault handlers
 **/
 _PUBLIC_ void fault_setup(const char *pname)
 {
-	if (progname == NULL) {
-		progname = pname;
+	if (progname != NULL) {
+		return;
 	}
+	progname = pname;
 #ifdef SIGSEGV
 	CatchSignal(SIGSEGV, sig_fault);
 #endif
@@ -205,6 +206,15 @@ _PUBLIC_ void fault_setup(const char *pname)
 }
 
 /**
+   disable setting up fault handlers
+**/
+_PUBLIC_ void fault_setup_disable(void)
+{
+	progname = "fault disabled";
+}
+
+
+/**
   register a fault handler. 
   Should only be called once in the execution of smbd.
 */
diff --git a/lib/util/util.h b/lib/util/util.h
index 0073aa9051..86bb3daace 100644
--- a/lib/util/util.h
+++ b/lib/util/util.h
@@ -87,6 +87,7 @@ _PUBLIC_ _NORETURN_ void smb_panic(const char *why);
 setup our fault handlers
 **/
 _PUBLIC_ void fault_setup(const char *pname);
+_PUBLIC_ void fault_setup_disable(void);
 #endif
 
 /**
diff --git a/source4/dns_server/dlz_bind9.c b/source4/dns_server/dlz_bind9.c
index dc4c4bcd1e..931f2f30b6 100644
--- a/source4/dns_server/dlz_bind9.c
+++ b/source4/dns_server/dlz_bind9.c
@@ -413,6 +413,8 @@ static isc_result_t parse_options(struct dlz_bind9_data *state,
 	struct poptOption **popt_options;
 	int ret;
 
+	fault_setup_disable();
+
 	popt_options = ldb_module_popt_options(state->samdb);
 	(*popt_options) = long_options;