Attention is currently required from: flichtenheld.
Hello flichtenheld,
I'd like you to do a code review.
Please visit
http://gerrit.openvpn.net/c/openvpn/+/909?usp=email
to review the following change.
Change subject: Mention address if not unspecific on DNS failure
......................................................................
Mention address if not unspecific on DNS failure
With the recent changes breaking configs that included lport 0, it became
apparent that having the address family in the error message when
resolving fails, would have made diagnosis in this case and probably others
much easier.
Change-Id: I1c8fcd5bb6e1fa0020d52879eefbafdb2630e7b5
Signed-off-by: Arne Schwabe <[email protected]>
---
M src/openvpn/socket.c
1 file changed, 21 insertions(+), 2 deletions(-)
git pull ssh://gerrit.openvpn.net:29418/openvpn refs/changes/09/909/1
diff --git a/src/openvpn/socket.c b/src/openvpn/socket.c
index 6b32e30..24c414d 100644
--- a/src/openvpn/socket.c
+++ b/src/openvpn/socket.c
@@ -445,6 +445,22 @@
throw_signal_soft(SIGHUP, "Preresolving failed");
}
+/**
+ * Small helper function for openvpn_getaddrinfo to print the address
+ * family when resolving fails
+ */
+static const char *
+gettaddrinfo_addr_family_name(int af)
+{
+ switch (af)
+ {
+ case AF_INET: return "[AF_INET]";
+
+ case AF_INET6: return "[AF_INET6]";
+ }
+ return "";
+}
+
/*
* Translate IPv4/IPv6 addr or hostname into struct addrinfo
* If resolve error, try again for resolve_retry_seconds seconds.
@@ -545,11 +561,11 @@
print_hostname = "undefined";
}
- fmt = "RESOLVE: Cannot resolve host address: %s:%s (%s)";
+ fmt = "RESOLVE: Cannot resolve host address: %s:%s%s (%s)";
if ((flags & GETADDR_MENTION_RESOLVE_RETRY)
&& !resolve_retry_seconds)
{
- fmt = "RESOLVE: Cannot resolve host address: %s:%s (%s) "
+ fmt = "RESOLVE: Cannot resolve host address: %s:%s%s (%s) %s"
"(I would have retried this name query if you had "
"specified the --resolv-retry option.)";
}
@@ -561,6 +577,8 @@
goto done;
}
+
+
#ifdef ENABLE_MANAGEMENT
if (flags & GETADDR_UPDATE_MANAGEMENT_STATE)
{
@@ -639,6 +657,7 @@
fmt,
print_hostname,
print_servname,
+ gettaddrinfo_addr_family_name(ai_family),
gai_strerror(status));
if (--resolve_retries <= 0)
--
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Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: I1c8fcd5bb6e1fa0020d52879eefbafdb2630e7b5
Gerrit-Change-Number: 909
Gerrit-PatchSet: 1
Gerrit-Owner: plaisthos <[email protected]>
Gerrit-Reviewer: flichtenheld <[email protected]>
Gerrit-CC: openvpn-devel <[email protected]>
Gerrit-Attention: flichtenheld <[email protected]>
Gerrit-MessageType: newchange
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