dnsmasq: Backport 2 upstream patches

These two patches are fixing minor problems with DNSSEC found shortly
after the dnsmasq 2.90 release.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens 2024-03-18 22:39:56 +01:00
parent f84ed09d2c
commit 28c87d7ecd
5 changed files with 88 additions and 24 deletions

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@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=dnsmasq
PKG_UPSTREAM_VERSION:=2.90
PKG_VERSION:=$(subst test,~~test,$(subst rc,~rc,$(PKG_UPSTREAM_VERSION)))
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE:=$(PKG_NAME)-$(PKG_UPSTREAM_VERSION).tar.xz
PKG_SOURCE_URL:=https://thekelleys.org.uk/dnsmasq/

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@ -0,0 +1,43 @@
From 1ed783b8d7343c42910a61f12a8fc6237eb80417 Mon Sep 17 00:00:00 2001
From: Simon Kelley <simon@thekelleys.org.uk>
Date: Mon, 19 Feb 2024 12:22:43 +0000
Subject: Fix spurious "resource limit exceeded" messages.
Replies from upstream with a REFUSED rcode can result in
log messages stating that a resource limit has been exceeded,
which is not the case.
Thanks to Dominik Derigs and the Pi-hole project for
spotting this.
---
CHANGELOG | 5 +++++
src/forward.c | 6 +++---
2 files changed, 8 insertions(+), 3 deletions(-)
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+version 2.91
+ Fix spurious "resource limit exceeded messages". Thanks to
+ Dominik Derigs for the bug report.
+
+
version 2.90
Fix reversion in --rev-server introduced in 2.88 which
caused breakage if the prefix length is not exactly divisible
--- a/src/forward.c
+++ b/src/forward.c
@@ -937,10 +937,10 @@ static void dnssec_validate(struct frec
status = dnssec_validate_reply(now, header, plen, daemon->namebuff, daemon->keyname, &forward->class,
!option_bool(OPT_DNSSEC_IGN_NS) && (forward->sentto->flags & SERV_DO_DNSSEC),
NULL, NULL, NULL, &orig->validate_counter);
- }
- if (STAT_ISEQUAL(status, STAT_ABANDONED))
- log_resource = 1;
+ if (STAT_ISEQUAL(status, STAT_ABANDONED))
+ log_resource = 1;
+ }
/* Can't validate, as we're missing key data. Put this
answer aside, whilst we get that. */

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@ -0,0 +1,31 @@
From ccff85ad72d2f858d9743d40525128e4f62d41a8 Mon Sep 17 00:00:00 2001
From: renmingshuai <renmingshuai@huawei.com>
Date: Wed, 21 Feb 2024 00:24:25 +0000
Subject: [PATCH] Fix error introduced in
51471cafa5a4fa44d6fe490885d9910bd72a5907
Signed-off-by: renmingshuai <renmingshuai@huawei.com>
---
src/dnssec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/src/dnssec.c
+++ b/src/dnssec.c
@@ -1547,7 +1547,7 @@ static int prove_non_existence_nsec3(str
nsecs[i] = NULL; /* Speculative, will be restored if OK. */
if (!(p = skip_name(nsec3p, header, plen, 15)))
- return 0; /* bad packet */
+ return DNSSEC_FAIL_BADPACKET; /* bad packet */
p += 10; /* type, class, TTL, rdlen */
@@ -1640,7 +1640,7 @@ static int prove_non_existence_nsec3(str
if (!wildname)
{
if (!(wildcard = strchr(next_closest, '.')) || wildcard == next_closest)
- return 0;
+ return DNSSEC_FAIL_NONSEC;
wildcard--;
*wildcard = '*';

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@ -13,7 +13,7 @@ Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
--- a/src/dnsmasq.c
+++ b/src/dnsmasq.c
@@ -103,10 +103,6 @@ int main (int argc, char **argv)
@@ -105,10 +105,6 @@ int main (int argc, char **argv)
read_opts(argc, argv, compile_opts);
@ -26,7 +26,7 @@ Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
--- a/src/dnsmasq.h
+++ b/src/dnsmasq.h
@@ -1248,7 +1248,7 @@ extern struct daemon {
@@ -1277,7 +1277,7 @@ extern struct daemon {
int inotifyfd;
#endif
#if defined(HAVE_LINUX_NETWORK)
@ -35,7 +35,7 @@ Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
#elif defined(HAVE_BSD_NETWORK)
int dhcp_raw_fd, dhcp_icmp_fd, routefd;
#endif
@@ -1453,9 +1453,6 @@ int read_write(int fd, unsigned char *pa
@@ -1491,9 +1491,6 @@ int read_write(int fd, unsigned char *pa
void close_fds(long max_fd, int spare1, int spare2, int spare3);
int wildcard_match(const char* wildcard, const char* match);
int wildcard_matchn(const char* wildcard, const char* match, int num);
@ -140,7 +140,7 @@ Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
my_syslog(LOG_ERR, _("failed to update ipset %s: %s"), setname, strerror(errno));
--- a/src/util.c
+++ b/src/util.c
@@ -855,22 +855,3 @@ int wildcard_matchn(const char* wildcard
@@ -866,22 +866,3 @@ int wildcard_matchn(const char* wildcard
return (!num) || (*wildcard == *match);
}

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@ -1,8 +1,6 @@
diff --git a/src/dnsmasq.c b/src/dnsmasq.c
index 30fb419..776351a 100644
--- a/src/dnsmasq.c
+++ b/src/dnsmasq.c
@@ -2025,6 +2025,10 @@ static void check_dns_listeners(time_t now)
@@ -2021,6 +2021,10 @@ static void check_dns_listeners(time_t n
daemon->pipe_to_parent = pipefd[1];
}
@ -13,11 +11,9 @@ index 30fb419..776351a 100644
/* start with no upstream connections. */
for (s = daemon->servers; s; s = s->next)
s->tcpfd = -1;
diff --git a/src/dnsmasq.h b/src/dnsmasq.h
index e455c3f..c84ba48 100644
--- a/src/dnsmasq.h
+++ b/src/dnsmasq.h
@@ -1673,14 +1673,26 @@ void emit_dbus_signal(int action, struct dhcp_lease *lease, char *hostname);
@@ -1670,14 +1670,26 @@ void emit_dbus_signal(int action, struct
/* ubus.c */
#ifdef HAVE_UBUS
@ -44,11 +40,9 @@ index e455c3f..c84ba48 100644
#endif
/* ipset.c */
diff --git a/src/forward.c b/src/forward.c
index 32f37e4..3d28963 100644
--- a/src/forward.c
+++ b/src/forward.c
@@ -803,7 +803,7 @@ static size_t process_reply(struct dns_header *header, time_t now, struct server
@@ -803,7 +803,7 @@ static size_t process_reply(struct dns_h
cache_secure = 0;
}
@ -57,8 +51,6 @@ index 32f37e4..3d28963 100644
cache_secure = 0;
/* check_for_bogus_wildcard() does it's own caching, so
diff --git a/src/rfc1035.c b/src/rfc1035.c
index 387d894..7bf7967 100644
--- a/src/rfc1035.c
+++ b/src/rfc1035.c
@@ -13,8 +13,10 @@
@ -73,7 +65,7 @@ index 387d894..7bf7967 100644
int extract_name(struct dns_header *header, size_t plen, unsigned char **pp,
char *name, int isExtract, int extrabytes)
@@ -384,10 +386,65 @@ static int private_net6(struct in6_addr *a, int ban_localhost)
@@ -384,10 +386,65 @@ static int private_net6(struct in6_addr
((u32 *)a)[0] == htonl(0x20010db8); /* RFC 6303 4.6 */
}
@ -140,7 +132,7 @@ index 387d894..7bf7967 100644
int done = 0;
if (!(p = skip_questions(header, qlen)))
@@ -404,7 +461,7 @@ int do_doctor(struct dns_header *header, size_t qlen, char *namebuff)
@@ -404,7 +461,7 @@ int do_doctor(struct dns_header *header,
GETSHORT(qtype, p);
GETSHORT(qclass, p);
@ -149,7 +141,7 @@ index 387d894..7bf7967 100644
GETSHORT(rdlen, p);
if (qclass == C_IN && qtype == T_A)
@@ -415,6 +472,9 @@ int do_doctor(struct dns_header *header, size_t qlen, char *namebuff)
@@ -415,6 +472,9 @@ int do_doctor(struct dns_header *header,
if (!CHECK_LEN(header, p, qlen, INADDRSZ))
return done;
@ -159,7 +151,7 @@ index 387d894..7bf7967 100644
/* alignment */
memcpy(&addr.addr4, p, INADDRSZ);
@@ -444,6 +504,14 @@ int do_doctor(struct dns_header *header, size_t qlen, char *namebuff)
@@ -444,6 +504,14 @@ int do_doctor(struct dns_header *header,
break;
}
}
@ -174,11 +166,9 @@ index 387d894..7bf7967 100644
if (!ADD_RDLEN(header, p, qlen, rdlen))
return done; /* bad packet */
diff --git a/src/ubus.c b/src/ubus.c
index a5758e7..f2a75a8 100644
--- a/src/ubus.c
+++ b/src/ubus.c
@@ -72,6 +72,13 @@ static struct ubus_object ubus_object = {
@@ -72,6 +72,13 @@ static struct ubus_object ubus_object =
.subscribe_cb = ubus_subscribe_cb,
};
@ -192,7 +182,7 @@ index a5758e7..f2a75a8 100644
static void ubus_subscribe_cb(struct ubus_context *ctx, struct ubus_object *obj)
{
(void)ctx;
@@ -105,13 +112,21 @@ static void ubus_disconnect_cb(struct ubus_context *ubus)
@@ -105,13 +112,21 @@ static void ubus_disconnect_cb(struct ub
char *ubus_init()
{
struct ubus_context *ubus = NULL;