From: GNU Libc Maintainers <debian-glibc@lists.debian.org>
Date: Mon, 25 Aug 2025 19:11:05 +0000 (+0200)
Subject: local-getaddrinfo-freebsd-kernel
X-Git-Tag: archive/raspbian/2.36-9+rpi1+deb12u13^2~35
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=1ec842344bffd96ea8506f449e378e3c7b7c8d5f;p=glibc.git

local-getaddrinfo-freebsd-kernel


Gbp-Pq: Topic kfreebsd
Gbp-Pq: Name local-getaddrinfo-freebsd-kernel.diff
---

diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index f975dcd2b..26bd7fb33 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -2260,10 +2260,24 @@ try_connect (int *fdp, int *afp, struct sockaddr_in6 *source_addrp,
   int fd = *fdp;
   int af = *afp;
   socklen_t sl = sizeof (*source_addrp);
+  const struct sockaddr *sa = addr;
+
+#ifdef __FreeBSD_kernel__
+  struct sockaddr_in6 sa_in6;
+  /* The FreeBSD kernel doesn't allow connections on port 0. Use
+     port 1 instead, as on the FreeBSD libc. */
+  if (((struct sockaddr_in *)sa)->sin_port == htons(0))
+    {
+      sa = (struct sockaddr *)&sa_in6;
+      memcpy(&sa_in6, q->ai_addr, q->ai_family == AF_INET6 ?
+           sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in));
+      sa_in6.sin6_port = htons(1);
+    }
+#endif
 
   while (true)
     {
-      if (fd != -1 && __connect (fd, addr, addrlen) == 0
+      if (fd != -1 && __connect (fd, sa, addrlen) == 0
 	  && __getsockname (fd, (struct sockaddr *) source_addrp, &sl) == 0)
 	return true;