a699b1ca34
- Do not provide %{release} for systemd-analyze
- Add more conflicts to -mini packages
- Disable Predictable Network interface names until it has been
reviewed by network team, with /usr/lib/tmpfiles.d/network.conf.
- Don't package /usr/lib/firmware/update (not used) (forwarded request 172848 from fcrozat)
OBS-URL: https://build.opensuse.org/request/show/172873
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/systemd?expand=0&rev=135
110 lines
3.6 KiB
Diff
110 lines
3.6 KiB
Diff
From: Ludwig Nussel <ludwig.nussel@suse.de>
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Date: Fri, 20 May 2011 15:38:46 +0200
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Subject: optionally warn if nss-myhostname is called
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---
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configure.ac | 11 +++++++++++
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src/nss-myhostname/nss-myhostname.c | 35 +++++++++++++++++++++++++++++++++++
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2 files changed, 46 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index 5173783..e58d694 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -714,6 +714,17 @@ if test "x$enable_myhostname" != "xno"; then
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fi
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AM_CONDITIONAL(HAVE_MYHOSTNAME, [test "$have_myhostname" = "yes"])
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+if test "x$have_myhostname" != "xno"; then
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+ AC_MSG_CHECKING([log warning messages for nss-myhostname])
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+ AC_ARG_WITH(nss-my-hostname-warning, AS_HELP_STRING([--with-nss-my-hostname-warning], [log warning to syslog when nss-myhostname is called (default=no)]),[],[with_nss_my_hostname_warning=no])
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+ AC_MSG_RESULT([$with_nss_my_hostname_warning])
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+
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+ if test x$with_nss_my_hostname_warning != xno; then
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+ AC_CHECK_HEADERS([syslog.h])
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+ AC_DEFINE([LOG_NSS_MY_HOSTNAME_WARNING],[1],[whether to log warning message for nss-myhostname])
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+ fi
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+fi
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+
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# ------------------------------------------------------------------------------
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AC_ARG_WITH(firmware-path,
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AS_HELP_STRING([--with-firmware-path=DIR[[[:DIR[...]]]]],
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diff --git a/src/nss-myhostname/nss-myhostname.c b/src/nss-myhostname/nss-myhostname.c
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index 884eb99..dbd9a2d 100644
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--- a/src/nss-myhostname/nss-myhostname.c
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+++ b/src/nss-myhostname/nss-myhostname.c
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@@ -30,6 +30,9 @@
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#include <net/if.h>
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#include <stdlib.h>
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#include <arpa/inet.h>
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+#ifdef LOG_NSS_MY_HOSTNAME_WARNING
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+#include <syslog.h>
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+#endif
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#include "ifconf.h"
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#include "macro.h"
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@@ -44,6 +47,10 @@
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#define LOCALADDRESS_IPV6 &in6addr_loopback
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#define LOOPBACK_INTERFACE "lo"
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+#ifdef LOG_NSS_MY_HOSTNAME_WARNING
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+static void warn(const char* hn);
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+#endif
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+
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enum nss_status _nss_myhostname_gethostbyname4_r(
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const char *name,
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struct gaih_addrtuple **pat,
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@@ -115,6 +122,10 @@ enum nss_status _nss_myhostname_gethostbyname4_r(
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return NSS_STATUS_NOTFOUND;
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}
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+#ifdef LOG_NSS_MY_HOSTNAME_WARNING
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+ warn(hn);
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+#endif
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+
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/* If this fails, n_addresses is 0. Which is fine */
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ifconf_acquire_addresses(&addresses, &n_addresses);
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@@ -334,6 +345,10 @@ enum nss_status _nss_myhostname_gethostbyname3_r(
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return NSS_STATUS_NOTFOUND;
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}
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+#ifdef LOG_NSS_MY_HOSTNAME_WARNING
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+ warn(hn);
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+#endif
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+
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return fill_in_hostent(hn, af, host, buffer, buflen, errnop, h_errnop, ttlp, canonp);
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}
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@@ -429,6 +444,10 @@ found:
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return NSS_STATUS_UNAVAIL;
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}
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+#ifdef LOG_NSS_MY_HOSTNAME_WARNING
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+ warn(hn);
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+#endif
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+
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return fill_in_hostent(hn, af, host, buffer, buflen, errnop, h_errnop, ttlp, NULL);
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}
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@@ -448,3 +467,19 @@ enum nss_status _nss_myhostname_gethostbyaddr_r(
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errnop, h_errnop,
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NULL);
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}
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+
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+#ifdef LOG_NSS_MY_HOSTNAME_WARNING
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+static void warn(const char* hn) {
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+ if (strstr(program_invocation_short_name, "nscd")) {
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+ syslog(LOG_WARNING,
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+ "Some application tried to resolve hostname \"%s\" which is not in DNS. Stop nscd to find out which one.\n",
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+ hn);
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+ } else {
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+ syslog(LOG_WARNING,
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+ "%s(%u) tried to resolve hostname \"%s\" which is not in DNS. This might be the reason for the delays you experience.\n",
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+ program_invocation_short_name,
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+ getpid(),
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+ hn);
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+ }
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+}
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+#endif
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