From e87a5e7bff70f66a1bb00445f754733302e4bf0b Mon Sep 17 00:00:00 2001 From: Mark Andrews Date: Tue, 21 May 2024 11:48:25 +1000 Subject: [PATCH] Handle ISC_R_HOSTDOWN and ISC_R_NETDOWN in resolver.c These error codes should be treated like other unreachable error codes. (cherry picked from commit 180b1e79398a7120929c413c7c0392ae15ccf69c) --- lib/dns/resolver.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c index 60cac293cb..4fe2d908f6 100644 --- a/lib/dns/resolver.c +++ b/lib/dns/resolver.c @@ -1920,7 +1920,9 @@ resquery_senddone(isc_result_t eresult, isc_region_t *region, void *arg) { case ISC_R_SHUTTINGDOWN: break; + case ISC_R_HOSTDOWN: case ISC_R_HOSTUNREACH: + case ISC_R_NETDOWN: case ISC_R_NETUNREACH: case ISC_R_NOPERM: case ISC_R_ADDRNOTAVAIL: @@ -2994,8 +2996,10 @@ resquery_connected(isc_result_t eresult, isc_region_t *region, void *arg) { fctx_done_detach(&fctx, eresult); break; - case ISC_R_NETUNREACH: + case ISC_R_HOSTDOWN: case ISC_R_HOSTUNREACH: + case ISC_R_NETDOWN: + case ISC_R_NETUNREACH: case ISC_R_CONNREFUSED: case ISC_R_NOPERM: case ISC_R_ADDRNOTAVAIL: @@ -8175,7 +8179,9 @@ rctx_dispfail(respctx_t *rctx) { */ switch (rctx->result) { case ISC_R_EOF: + case ISC_R_HOSTDOWN: case ISC_R_HOSTUNREACH: + case ISC_R_NETDOWN: case ISC_R_NETUNREACH: case ISC_R_CONNREFUSED: case ISC_R_CONNECTIONRESET: