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Emit warning on FIPS without opening the file

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This commit is contained in:
Petr Menšík 2018-07-02 13:03:40 +02:00
parent db0bc30a48
commit 981bbce593
1 changed files with 12 additions and 22 deletions
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34
dnsmasq-2.78-fips.patch
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@ -1,18 +1,18 @@
From c7d5a6a968fa2bd7412c913adf274aaa7174303a Mon Sep 17 00:00:00 2001
From 89f57e39b69f92beacb6bad9c68d61f9c4fb0e77 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
Date: Fri, 2 Mar 2018 13:17:04 +0100
Subject: [PATCH] Print warning on FIPS machine with dnssec enabled. Dnsmasq
has no proper FIPS 140-2 compliant implementation.
---
src/dnsmasq.c | 9 +++++++++
1 file changed, 9 insertions(+)
src/dnsmasq.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/dnsmasq.c b/src/dnsmasq.c
index 771bec1..1cb69b7 100644
index ce44809..9f6c020 100644
--- a/src/dnsmasq.c
+++ b/src/dnsmasq.c
@@ -182,6 +182,7 @@ int main (int argc, char **argv)
@@ -187,6 +187,7 @@ int main (int argc, char **argv)
if (daemon->cachesize < CACHESIZ)
die(_("cannot reduce cache size from default when DNSSEC enabled"), NULL, EC_BADCONF);
@ -20,28 +20,18 @@ index 771bec1..1cb69b7 100644
#else
die(_("DNSSEC not available: set HAVE_DNSSEC in src/config.h"), NULL, EC_BADCONF);
#endif
@@ -741,6 +742,7 @@ int main (int argc, char **argv)
if (option_bool(OPT_DNSSEC_VALID))
{
int rc;
+ int fips;
/* Delay creating the timestamp file until here, after we've changed user, so that
it has the correct owner to allow updating the mtime later.
@@ -752,6 +754,13 @@ int main (int argc, char **argv)
@@ -769,7 +770,10 @@ int main (int argc, char **argv)
}
my_syslog(LOG_INFO, _("DNSSEC validation enabled"));
-
+
+ if (access("/etc/system-fips", F_OK) == 0)
+ my_syslog(LOG_WARNING, _("DNSSEC support is not FIPS 140-2 compliant"));
+
+ fips = open("/etc/system-fips", O_RDONLY);
+ if (fips != -1)
+ {
+ close(fips);
+ my_syslog(LOG_WARNING, _("DNSSEC support is not FIPS 140-2 compliant"));
+ }
daemon->dnssec_no_time_check = option_bool(OPT_DNSSEC_TIME);
if (option_bool(OPT_DNSSEC_TIME) && !daemon->back_to_the_future)
my_syslog(LOG_INFO, _("DNSSEC signature timestamps not checked until receipt of SIGINT"));
--
2.14.3
2.14.4