main/mosquitto: backport upstream patch for SIGPIPE issue

See eclipse/mosquitto#2564

(cherry picked from commit 9292d10)

main/mosquitto/0001-Don-t-set-SIGPIPE-to-ignore-use-MSG_NOSIGNAL-instead.patch

@@ -0,0 +1,67 @@
+From 0c9d9f21633c5dbb482893a9d6bdf40111829925 Mon Sep 17 00:00:00 2001
+From: "Roger A. Light" <[email protected]>
+Date: Sun, 7 Aug 2022 23:04:46 +0100
+Subject: [PATCH] Don't set SIGPIPE to ignore, use MSG_NOSIGNAL instead.
+
+Closes #2564. Thanks to nmeum.
+---
+ lib/mosquitto.c | 4 ----
+ lib/net_mosq.c | 6 +-----
+ lib/net_mosq.h | 5 +++++
+ 4 files changed, 7 insertions(+), 9 deletions(-)
+
+diff --git a/lib/mosquitto.c b/lib/mosquitto.c
+index 0d68d313..72762ed6 100644
+--- a/lib/mosquitto.c
++++ b/lib/mosquitto.c
+@@ -109,10 +109,6 @@ struct mosquitto *mosquitto_new(const char *id, bool clean_start, void *userdata
+ return NULL;
+ }
+
+-#ifndef WIN32
+- signal(SIGPIPE, SIG_IGN);
+-#endif
+-
+ mosq = (struct mosquitto *)mosquitto__calloc(1, sizeof(struct mosquitto));
+ if(mosq){
+ mosq->sock = INVALID_SOCKET;
+diff --git a/lib/net_mosq.c b/lib/net_mosq.c
+index 22f5a313..d4eb89ef 100644
+--- a/lib/net_mosq.c
++++ b/lib/net_mosq.c
+@@ -1041,11 +1041,7 @@ ssize_t net__write(struct mosquitto *mosq, const void *buf, size_t count)
+ /* Call normal write/send */
+ #endif
+
+-#ifndef WIN32
+- return write(mosq->sock, buf, count);
+-#else
+- return send(mosq->sock, buf, count, 0);
+-#endif
++ return send(mosq->sock, buf, count, MSG_NOSIGNAL);
+
+ #ifdef WITH_TLS
+ }
+diff --git a/lib/net_mosq.h b/lib/net_mosq.h
+index 37a21461..ded98760 100644
+--- a/lib/net_mosq.h
++++ b/lib/net_mosq.h
+@@ -19,6 +19,7 @@ Contributors:
+ #define NET_MOSQ_H
+
+ #ifndef WIN32
++# include <sys/socket.h>
+ # include <unistd.h>
+ #else
+ # include <winsock2.h>
+@@ -51,6 +52,10 @@ typedef SSIZE_T ssize_t;
+ #define INVALID_SOCKET -1
+ #endif
+
++#ifndef MSG_NOSIGNAL
++# define MSG_NOSIGNAL 0
++#endif
++
+ /* Macros for accessing the MSB and LSB of a uint16_t */
+ #define MOSQ_MSB(A) (uint8_t)((A & 0xFF00) >> 8)
+ #define MOSQ_LSB(A) (uint8_t)(A & 0x00FF)

main/mosquitto/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Natanael Copa <[email protected]>
 pkgname=mosquitto
 pkgver=2.0.14
-pkgrel=1
+pkgrel=2
 pkgdesc="open source MQTT broker"
 url="https://mosquitto.org/"
 arch="all"
@@ -15,6 +15,7 @@ checkdepends="python3 cunit-dev"
 subpackages="$pkgname-dbg $pkgname-dev $pkgname-doc $pkgname-libs++:_pp $pkgname-openrc
  $pkgname-libs $pkgname-clients"
 source="http:https://mosquitto.org/files/source/mosquitto-$pkgver.tar.gz
+ 0001-Don-t-set-SIGPIPE-to-ignore-use-MSG_NOSIGNAL-instead.patch
  mosquitto.initd
  mosquitto.confd
  "
@@ -106,6 +107,7 @@ clients() {
 
 sha512sums="
 a9e4f41b9af679b30318570e86a465546024651373df10e3b132f4593b89d22d0dbac01bb7371a57132ba030a2e73971c612acb5c9ac12f5ccd06aa38d9444c2 mosquitto-2.0.14.tar.gz
+d2ec296919ca9c3e31063b6b87c06c723f46347e5af4e92eaac8fe5c5d5e36faa90c8c3aa8911b3af2a470829bb032812dee57764581e1ac4da4e570b521639a 0001-Don-t-set-SIGPIPE-to-ignore-use-MSG_NOSIGNAL-instead.patch
 a527813957b6f2d7afdb7269bade61d99b3023a147861b38902971929ff342a7c8c276bdb808fcfe7e48fa3e5c7521a16d777e5a3313256b8bf1e759cec5b7b0 mosquitto.initd
 678a8aaefb9181f5f4998304046e5a8737049f90cf6bbbfd5fd4549592728afe77cb536547b39ad1598d53fe0b7c03e1506b2683e7b936712b9fad4a317f4b43 mosquitto.confd
 "