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-rw-r--r--package/network/services/dnsmasq/Makefile2
-rw-r--r--package/network/services/dnsmasq/files/dnsmasqsec.hotplug2
-rw-r--r--package/network/services/dnsmasq/patches/260-dnssec-SIGINT.patch120
3 files changed, 122 insertions, 2 deletions
diff --git a/package/network/services/dnsmasq/Makefile b/package/network/services/dnsmasq/Makefile
index c6d2739f03..1224ad86f8 100644
--- a/package/network/services/dnsmasq/Makefile
+++ b/package/network/services/dnsmasq/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=dnsmasq
PKG_VERSION:=2.78
-PKG_RELEASE:=7
+PKG_RELEASE:=8
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq/
diff --git a/package/network/services/dnsmasq/files/dnsmasqsec.hotplug b/package/network/services/dnsmasq/files/dnsmasqsec.hotplug
index a155eb0f6e..781d533734 100644
--- a/package/network/services/dnsmasq/files/dnsmasqsec.hotplug
+++ b/package/network/services/dnsmasq/files/dnsmasqsec.hotplug
@@ -9,6 +9,6 @@ TIMEVALIDFILE="/var/state/dnsmasqsec"
[ -f "$TIMEVALIDFILE" ] || {
echo "ntpd says time is valid" >$TIMEVALIDFILE
/etc/init.d/dnsmasq enabled && {
- procd_send_signal dnsmasq
+ procd_send_signal dnsmasq '*' INT
}
}
diff --git a/package/network/services/dnsmasq/patches/260-dnssec-SIGINT.patch b/package/network/services/dnsmasq/patches/260-dnssec-SIGINT.patch
new file mode 100644
index 0000000000..e280142f75
--- /dev/null
+++ b/package/network/services/dnsmasq/patches/260-dnssec-SIGINT.patch
@@ -0,0 +1,120 @@
+From 3c973ad92d317df736d5a8fde67baba6b102d91e Mon Sep 17 00:00:00 2001
+From: Simon Kelley <simon@thekelleys.org.uk>
+Date: Sun, 14 Jan 2018 21:05:37 +0000
+Subject: [PATCH] Use SIGINT (instead of overloading SIGHUP) to turn on DNSSEC
+ time validation.
+
+---
+ src/dnsmasq.c | 36 +++++++++++++++++++++++++-----------
+ src/dnsmasq.h | 1 +
+ src/helper.c | 3 ++-
+ 5 files changed, 38 insertions(+), 14 deletions(-)
+
+--- a/src/dnsmasq.c
++++ b/src/dnsmasq.c
+@@ -137,7 +137,8 @@ int main (int argc, char **argv)
+ sigaction(SIGTERM, &sigact, NULL);
+ sigaction(SIGALRM, &sigact, NULL);
+ sigaction(SIGCHLD, &sigact, NULL);
+-
++ sigaction(SIGINT, &sigact, NULL);
++
+ /* ignore SIGPIPE */
+ sigact.sa_handler = SIG_IGN;
+ sigaction(SIGPIPE, &sigact, NULL);
+@@ -815,7 +816,7 @@ int main (int argc, char **argv)
+
+ 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 first cache reload"));
++ my_syslog(LOG_INFO, _("DNSSEC signature timestamps not checked until receipt of SIGINT"));
+
+ if (rc == 1)
+ my_syslog(LOG_INFO, _("DNSSEC signature timestamps not checked until system time valid"));
+@@ -1142,7 +1143,7 @@ static void sig_handler(int sig)
+ {
+ /* ignore anything other than TERM during startup
+ and in helper proc. (helper ignore TERM too) */
+- if (sig == SIGTERM)
++ if (sig == SIGTERM || sig == SIGINT)
+ exit(EC_MISC);
+ }
+ else if (pid != getpid())
+@@ -1168,6 +1169,15 @@ static void sig_handler(int sig)
+ event = EVENT_DUMP;
+ else if (sig == SIGUSR2)
+ event = EVENT_REOPEN;
++ else if (sig == SIGINT)
++ {
++ /* Handle SIGINT normally in debug mode, so
++ ctrl-c continues to operate. */
++ if (option_bool(OPT_DEBUG))
++ exit(EC_MISC);
++ else
++ event = EVENT_TIME;
++ }
+ else
+ return;
+
+@@ -1295,14 +1305,7 @@ static void async_event(int pipe, time_t
+ {
+ case EVENT_RELOAD:
+ daemon->soa_sn++; /* Bump zone serial, as it may have changed. */
+-
+-#ifdef HAVE_DNSSEC
+- if (daemon->dnssec_no_time_check && option_bool(OPT_DNSSEC_VALID) && option_bool(OPT_DNSSEC_TIME))
+- {
+- my_syslog(LOG_INFO, _("now checking DNSSEC signature timestamps"));
+- daemon->dnssec_no_time_check = 0;
+- }
+-#endif
++
+ /* fall through */
+
+ case EVENT_INIT:
+@@ -1411,6 +1414,17 @@ static void async_event(int pipe, time_t
+ poll_resolv(0, 1, now);
+ break;
+
++ case EVENT_TIME:
++#ifdef HAVE_DNSSEC
++ if (daemon->dnssec_no_time_check && option_bool(OPT_DNSSEC_VALID) && option_bool(OPT_DNSSEC_TIME))
++ {
++ my_syslog(LOG_INFO, _("now checking DNSSEC signature timestamps"));
++ daemon->dnssec_no_time_check = 0;
++ clear_cache_and_reload(now);
++ }
++#endif
++ break;
++
+ case EVENT_TERM:
+ /* Knock all our children on the head. */
+ for (i = 0; i < MAX_PROCS; i++)
+--- a/src/dnsmasq.h
++++ b/src/dnsmasq.h
+@@ -175,6 +175,7 @@ struct event_desc {
+ #define EVENT_NEWROUTE 23
+ #define EVENT_TIME_ERR 24
+ #define EVENT_SCRIPT_LOG 25
++#define EVENT_TIME 26
+
+ /* Exit codes. */
+ #define EC_GOOD 0
+--- a/src/helper.c
++++ b/src/helper.c
+@@ -97,13 +97,14 @@ int create_helper(int event_fd, int err_
+ return pipefd[1];
+ }
+
+- /* ignore SIGTERM, so that we can clean up when the main process gets hit
++ /* ignore SIGTERM and SIGINT, so that we can clean up when the main process gets hit
+ and SIGALRM so that we can use sleep() */
+ sigact.sa_handler = SIG_IGN;
+ sigact.sa_flags = 0;
+ sigemptyset(&sigact.sa_mask);
+ sigaction(SIGTERM, &sigact, NULL);
+ sigaction(SIGALRM, &sigact, NULL);
++ sigaction(SIGINT, &sigact, NULL);
+
+ if (!option_bool(OPT_DEBUG) && uid != 0)
+ {