Attachment 212811 Details for Bug 245148 – Proof of concept to pass getaddrinfo(3) hints

[patch] Proof of concept to pass getaddrinfo(3) hints

sbin-ifconfig-ifconfig.c_getaddrinfo_hints.patch (text/plain), 1013 bytes, created by Jason Unovitch on 2020-03-28 19:17:47 UTC

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Creator: Jason Unovitch

Created: 2020-03-28 19:17:47 UTC

Size: 1013 bytes

patch

obsolete

>diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c
>index c324050aad8..e6dde563940 100644
>--- a/sbin/ifconfig/ifconfig.c
>+++ b/sbin/ifconfig/ifconfig.c
>@@ -966,9 +966,12 @@ setifaddr(const char *addr, int param, int s, const struct afswtch *afp)
> static void
> settunnel(const char *src, const char *dst, int s, const struct afswtch *afp)
> {
>-	struct addrinfo *srcres, *dstres;
>+	struct addrinfo hints, *srcres, *dstres;
> 	int ecode;
> 
>+	memset(&hints, 0, sizeof(hints));
>+	hints.ai_family = afp->af_af;
>+
> 	if (afp->af_settunnel == NULL) {
> 		warn("address family %s does not support tunnel setup",
> 			afp->af_name);
>@@ -979,7 +982,7 @@ settunnel(const char *src, const char *dst, int s, const struct afswtch *afp)
> 		errx(1, "error in parsing address string: %s",
> 		    gai_strerror(ecode));
> 
>-	if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0)
>+	if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0)
> 		errx(1, "error in parsing address string: %s",
> 		    gai_strerror(ecode));
>

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Attachments on bug 245148: 212811