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-rw-r--r--package/network/services/dnsmasq/Makefile2
-rw-r--r--package/network/services/dnsmasq/files/dnsmasq.init11
-rw-r--r--package/network/services/dnsmasq/patches/001-fix-crash-in-auth-code.patch113
-rw-r--r--package/network/services/dnsmasq/patches/210-dnssec-improve-timestamp-heuristic.patch54
4 files changed, 174 insertions, 6 deletions
diff --git a/package/network/services/dnsmasq/Makefile b/package/network/services/dnsmasq/Makefile
index dc94d341bd..9c90e0fc28 100644
--- a/package/network/services/dnsmasq/Makefile
+++ b/package/network/services/dnsmasq/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=dnsmasq
PKG_VERSION:=2.73rc4
-PKG_RELEASE:=1
+PKG_RELEASE:=2
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq/release-candidates
diff --git a/package/network/services/dnsmasq/files/dnsmasq.init b/package/network/services/dnsmasq/files/dnsmasq.init
index b2dfb979bc..b0a5fbc04f 100644
--- a/package/network/services/dnsmasq/files/dnsmasq.init
+++ b/package/network/services/dnsmasq/files/dnsmasq.init
@@ -15,6 +15,7 @@ ADD_LOCAL_HOSTNAME=1
CONFIGFILE="/var/etc/dnsmasq.conf"
HOSTFILE="/tmp/hosts/dhcp"
TRUSTANCHORSFILE="/usr/share/dnsmasq/trust-anchors.conf"
+TIMESTAMPFILE="/etc/dnsmasq.time"
xappend() {
local value="$1"
@@ -205,7 +206,7 @@ dnsmasq() {
[ "$dnssec" -gt 0 ] && {
xappend "--conf-file=$TRUSTANCHORSFILE"
xappend "--dnssec"
- xappend "--dnssec-timestamp=/etc/dnsmasq.time"
+ xappend "--dnssec-timestamp=$TIMESTAMPFILE"
append_bool "$cfg" dnsseccheckunsigned "--dnssec-check-unsigned"
}
@@ -556,7 +557,7 @@ start_service() {
procd_add_jail dnsmasq ubus log
procd_add_jail_mount $CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE /etc/passwd /dev/urandom /etc/dnsmasq.conf /tmp/dnsmasq.d /tmp/resolv.conf.auto /etc/hosts /etc/ethers
- procd_add_jail_mount_rw /var/run/dnsmasq/ /tmp/dhcp.leases /etc/dnsmasq.time
+ procd_add_jail_mount_rw /var/run/dnsmasq/ /tmp/dhcp.leases $TIMESTAMPFILE
procd_close_instance
@@ -566,9 +567,9 @@ start_service() {
mkdir -p /var/lib/misc
touch /tmp/dhcp.leases
- if [ ! -f /etc/dnsmasq.time ]; then
- touch -t 197001010000 /etc/dnsmasq.time
- chmod 0777 /etc/dnsmasq.time
+ if [ ! -f "$TIMESTAMPFILE" ]; then
+ touch "$TIMESTAMPFILE"
+ chown nobody.nogroup "$TIMESTAMPFILE"
fi
echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE
diff --git a/package/network/services/dnsmasq/patches/001-fix-crash-in-auth-code.patch b/package/network/services/dnsmasq/patches/001-fix-crash-in-auth-code.patch
new file mode 100644
index 0000000000..9cba0ccbae
--- /dev/null
+++ b/package/network/services/dnsmasq/patches/001-fix-crash-in-auth-code.patch
@@ -0,0 +1,113 @@
+From 38440b204db65f9be16c4c3daa7e991e4356f6ed Mon Sep 17 00:00:00 2001
+From: Simon Kelley <simon@thekelleys.org.uk>
+Date: Sun, 12 Apr 2015 21:52:47 +0100
+Subject: [PATCH] Fix crash in auth code with odd configuration.
+
+---
+ CHANGELOG | 32 +++++++++++++++++++++-----------
+ src/auth.c | 13 ++++++++-----
+ 2 files changed, 29 insertions(+), 16 deletions(-)
+
+diff --git a/CHANGELOG b/CHANGELOG
+index 9af6170..f2142c7 100644
+--- a/CHANGELOG
++++ b/CHANGELOG
+@@ -68,18 +68,31 @@ version 2.73
+ Fix broken DNSSEC validation of ECDSA signatures.
+
+ Add --dnssec-timestamp option, which provides an automatic
+- way to detect when the system time becomes valid after boot
+- on systems without an RTC, whilst allowing DNS queries before the
+- clock is valid so that NTP can run. Thanks to
+- Kevin Darbyshire-Bryant for developing this idea.
++ way to detect when the system time becomes valid after
++ boot on systems without an RTC, whilst allowing DNS
++ queries before the clock is valid so that NTP can run.
++ Thanks to Kevin Darbyshire-Bryant for developing this idea.
+
+ Add --tftp-no-fail option. Thanks to Stefan Tomanek for
+ the patch.
+
+- Fix crash caused by looking up servers.bind, CHAOS text record,
+- when more than about five --servers= lines are in the dnsmasq
+- config. This causes memory corruption which causes a crash later.
+- Thanks to Matt Coddington for sterling work chasing this down.
++ Fix crash caused by looking up servers.bind, CHAOS text
++ record, when more than about five --servers= lines are
++ in the dnsmasq config. This causes memory corruption
++ which causes a crash later. Thanks to Matt Coddington for
++ sterling work chasing this down.
++
++ Fix crash on receipt of certain malformed DNS requests.
++ Thanks to Nick Sampanis for spotting the problem.
++
++ Fix crash in authoritative DNS code, if a .arpa zone
++ is declared as authoritative, and then a PTR query which
++ is not to be treated as authoritative arrived. Normally,
++ directly declaring .arpa zone as authoritative is not
++ done, so this crash wouldn't be seen. Instead the
++ relevant .arpa zone should be specified as a subnet
++ in the auth-zone declaration. Thanks to Johnny S. Lee
++ for the bugreport and initial patch.
+
+
+ version 2.72
+@@ -125,10 +138,7 @@ version 2.72
+ Fix problem with --local-service option on big-endian platforms
+ Thanks to Richard Genoud for the patch.
+
+- Fix crash on receipt of certain malformed DNS requests. Thanks
+- to Nick Sampanis for spotting the problem.
+
+-
+ version 2.71
+ Subtle change to error handling to help DNSSEC validation
+ when servers fail to provide NODATA answers for
+diff --git a/src/auth.c b/src/auth.c
+index 15721e5..4a5c39f 100644
+--- a/src/auth.c
++++ b/src/auth.c
+@@ -141,7 +141,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
+ for (zone = daemon->auth_zones; zone; zone = zone->next)
+ if ((subnet = find_subnet(zone, flag, &addr)))
+ break;
+-
++
+ if (!zone)
+ {
+ auth = 0;
+@@ -186,7 +186,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
+
+ if (intr)
+ {
+- if (in_zone(zone, intr->name, NULL))
++ if (local_query || in_zone(zone, intr->name, NULL))
+ {
+ found = 1;
+ log_query(flag | F_REVERSE | F_CONFIG, intr->name, &addr, NULL);
+@@ -208,8 +208,11 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
+ *p = 0; /* must be bare name */
+
+ /* add external domain */
+- strcat(name, ".");
+- strcat(name, zone->domain);
++ if (zone)
++ {
++ strcat(name, ".");
++ strcat(name, zone->domain);
++ }
+ log_query(flag | F_DHCP | F_REVERSE, name, &addr, record_source(crecp->uid));
+ found = 1;
+ if (add_resource_record(header, limit, &trunc, nameoffset, &ansp,
+@@ -217,7 +220,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
+ T_PTR, C_IN, "d", name))
+ anscount++;
+ }
+- else if (crecp->flags & (F_DHCP | F_HOSTS) && in_zone(zone, name, NULL))
++ else if (crecp->flags & (F_DHCP | F_HOSTS) && (local_query || in_zone(zone, name, NULL)))
+ {
+ log_query(crecp->flags & ~F_FORWARD, name, &addr, record_source(crecp->uid));
+ found = 1;
+--
+2.1.4
+
diff --git a/package/network/services/dnsmasq/patches/210-dnssec-improve-timestamp-heuristic.patch b/package/network/services/dnsmasq/patches/210-dnssec-improve-timestamp-heuristic.patch
new file mode 100644
index 0000000000..f4acd7c6e5
--- /dev/null
+++ b/package/network/services/dnsmasq/patches/210-dnssec-improve-timestamp-heuristic.patch
@@ -0,0 +1,54 @@
+From 79e60e145f8a595bca5a784c00b437216d51de68 Mon Sep 17 00:00:00 2001
+From: Steven Barth <steven@midlink.org>
+Date: Mon, 13 Apr 2015 09:45:20 +0200
+Subject: [PATCH] dnssec: improve timestamp heuristic
+
+Signed-off-by: Steven Barth <steven@midlink.org>
+---
+ src/dnssec.c | 15 +++++++++++----
+ 1 file changed, 11 insertions(+), 4 deletions(-)
+
+diff --git a/src/dnssec.c b/src/dnssec.c
+index 05e0983..9c02548 100644
+--- a/src/dnssec.c
++++ b/src/dnssec.c
+@@ -408,17 +408,24 @@ static int back_to_the_future;
+ int setup_timestamp(void)
+ {
+ struct stat statbuf;
+-
++ time_t now;
++ time_t base = 1420070400; /* 1-1-2015 */
++
+ back_to_the_future = 0;
+
+ if (!daemon->timestamp_file)
+ return 0;
+-
++
++ now = time(NULL);
++
++ if (!stat("/proc/self/exe", &statbuf) && difftime(statbuf.st_mtime, base) > 0)
++ base = statbuf.st_mtime;
++
+ if (stat(daemon->timestamp_file, &statbuf) != -1)
+ {
+ timestamp_time = statbuf.st_mtime;
+ check_and_exit:
+- if (difftime(timestamp_time, time(0)) <= 0)
++ if (difftime(now, base) >= 0 && difftime(timestamp_time, now) <= 0)
+ {
+ /* time already OK, update timestamp, and do key checking from the start. */
+ if (utime(daemon->timestamp_file, NULL) == -1)
+@@ -439,7 +446,7 @@ int setup_timestamp(void)
+
+ close(fd);
+
+- timestamp_time = timbuf.actime = timbuf.modtime = 1420070400; /* 1-1-2015 */
++ timestamp_time = timbuf.actime = timbuf.modtime = base;
+ if (utime(daemon->timestamp_file, &timbuf) == 0)
+ goto check_and_exit;
+ }
+--
+2.1.4
+