mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-11-28 22:57:37 +00:00
113 lines
4 KiB
Diff
113 lines
4 KiB
Diff
From 3fdcecc87eb381ef300719e419d5863dd8a64a97 Mon Sep 17 00:00:00 2001
|
|
From: Lennart Poettering <lennart@poettering.net>
|
|
Date: Mon, 5 Jan 2015 16:23:21 +0100
|
|
Subject: [PATCH] nss-myhostname: always will in canonical hostname field when
|
|
resolving addresses to hostnames
|
|
|
|
https://bugs.freedesktop.org/show_bug.cgi?id=87634
|
|
---
|
|
src/nss-myhostname/nss-myhostname.c | 36 +++++++++++++++++++-----------------
|
|
1 file changed, 19 insertions(+), 17 deletions(-)
|
|
|
|
diff --git a/src/nss-myhostname/nss-myhostname.c b/src/nss-myhostname/nss-myhostname.c
|
|
index dcf7c1f..a939bb2 100644
|
|
--- a/src/nss-myhostname/nss-myhostname.c
|
|
+++ b/src/nss-myhostname/nss-myhostname.c
|
|
@@ -38,7 +38,7 @@
|
|
/* We use 127.0.0.2 as IPv4 address. This has the advantage over
|
|
* 127.0.0.1 that it can be translated back to the local hostname. For
|
|
* IPv6 we use ::1 which unfortunately will not translate back to the
|
|
- * hostname but instead something like "localhost6" or so. */
|
|
+ * hostname but instead something like "localhost" or so. */
|
|
|
|
#define LOCALADDRESS_IPV4 (htonl(0x7F000002))
|
|
#define LOCALADDRESS_IPV6 &in6addr_loopback
|
|
@@ -415,6 +415,7 @@ enum nss_status _nss_myhostname_gethostbyaddr2_r(
|
|
_cleanup_free_ char *hn = NULL;
|
|
int n_addresses = 0;
|
|
struct local_address *a;
|
|
+ bool additional_from_hostname = false;
|
|
unsigned n;
|
|
|
|
assert(addr);
|
|
@@ -436,7 +437,6 @@ enum nss_status _nss_myhostname_gethostbyaddr2_r(
|
|
}
|
|
|
|
if (af == AF_INET) {
|
|
-
|
|
if ((*(uint32_t*) addr) == LOCALADDRESS_IPV4)
|
|
goto found;
|
|
|
|
@@ -450,10 +450,10 @@ enum nss_status _nss_myhostname_gethostbyaddr2_r(
|
|
assert(af == AF_INET6);
|
|
|
|
if (memcmp(addr, LOCALADDRESS_IPV6, 16) == 0) {
|
|
- additional = "localhost";
|
|
+ canonical = "localhost";
|
|
+ additional_from_hostname = true;
|
|
goto found;
|
|
}
|
|
-
|
|
}
|
|
|
|
n_addresses = local_addresses(NULL, 0, AF_UNSPEC, &addresses);
|
|
@@ -462,18 +462,8 @@ enum nss_status _nss_myhostname_gethostbyaddr2_r(
|
|
if (af != a->family)
|
|
continue;
|
|
|
|
- if (memcmp(addr, &a->address, FAMILY_ADDRESS_SIZE(af)) == 0) {
|
|
-
|
|
- hn = gethostname_malloc();
|
|
- if (!hn) {
|
|
- *errnop = ENOMEM;
|
|
- *h_errnop = NO_RECOVERY;
|
|
- return NSS_STATUS_TRYAGAIN;
|
|
- }
|
|
-
|
|
- canonical = hn;
|
|
+ if (memcmp(addr, &a->address, FAMILY_ADDRESS_SIZE(af)) == 0)
|
|
goto found;
|
|
- }
|
|
}
|
|
}
|
|
|
|
@@ -487,7 +477,6 @@ enum nss_status _nss_myhostname_gethostbyaddr2_r(
|
|
continue;
|
|
|
|
if (memcmp(addr, &a->address, FAMILY_ADDRESS_SIZE(af)) == 0) {
|
|
-
|
|
canonical = "gateway";
|
|
goto found;
|
|
}
|
|
@@ -500,6 +489,20 @@ enum nss_status _nss_myhostname_gethostbyaddr2_r(
|
|
return NSS_STATUS_NOTFOUND;
|
|
|
|
found:
|
|
+ if (!canonical || (!additional && additional_from_hostname)) {
|
|
+ hn = gethostname_malloc();
|
|
+ if (!hn) {
|
|
+ *errnop = ENOMEM;
|
|
+ *h_errnop = NO_RECOVERY;
|
|
+ return NSS_STATUS_TRYAGAIN;
|
|
+ }
|
|
+
|
|
+ if (!canonical)
|
|
+ canonical = hn;
|
|
+
|
|
+ if (!additional && additional_from_hostname)
|
|
+ additional = hn;
|
|
+ }
|
|
|
|
return fill_in_hostent(
|
|
canonical, additional,
|
|
@@ -511,7 +514,6 @@ found:
|
|
errnop, h_errnop,
|
|
ttlp,
|
|
NULL);
|
|
-
|
|
}
|
|
|
|
NSS_GETHOSTBYNAME_FALLBACKS(myhostname);
|
|
--
|
|
2.3.0
|
|
|