URL: https://github.com/SSSD/sssd/pull/5625
Author: DeepakDas7
 Title: #5625: SSSD Log: log_error_reading_file_msg_modification
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/5625/head:pr5625
git checkout pr5625
From 90c662be3a5477e36cb2c2d36c05ec1e8d78f669 Mon Sep 17 00:00:00 2001
From: Deepak Das <[email protected]>
Date: Tue, 25 May 2021 16:39:53 +0530
Subject: [PATCH] SSSD Log: log_error_reading_file_msg_modification

Replacing error reading file error code with proper message

Resolves: https://github.com/SSSD/sssd/issues/5615
---
 src/providers/fail_over.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/providers/fail_over.c b/src/providers/fail_over.c
index 64344ff3fb..697e6a875f 100644
--- a/src/providers/fail_over.c
+++ b/src/providers/fail_over.c
@@ -29,6 +29,7 @@
 #include <stdbool.h>
 #include <strings.h>
 #include <talloc.h>
+#include <netdb.h>
 
 #include "util/dlinklist.h"
 #include "util/refcount.h"
@@ -1188,9 +1189,19 @@ fo_resolve_service_done(struct tevent_req *subreq)
                                     &common->rhostent);
     talloc_zfree(subreq);
     if (ret != EOK) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Failed to resolve server '%s': %s\n",
+        if (resolv_status == ARES_EFILE) {
+            /* resolv_strerror(resolv_status) provided msg from c-ares lib.
+             * c-ares lib in most distros will default to /etc/hosts for
+             * file based host resolving */
+            DEBUG(SSSDBG_CRIT_FAILURE, "Failed to resolve server '%s': %s [%s]\n",
+                  common->name,
+                  resolv_strerror(resolv_status),
+                  _PATH_HOSTS);
+        } else {
+            DEBUG(SSSDBG_CRIT_FAILURE, "Failed to resolve server '%s': %s\n",
                   common->name,
                   resolv_strerror(resolv_status));
+        }
         /* If the resolver failed to resolve a hostname but did not
          * encounter an error, tell the caller to retry another server.
          *
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