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From 36eb7d2a2843515b465e36a79b869dc2dd43439f Mon Sep 17 00:00:00 2001
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From: Brent Cook <busterb@gmail.com>
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Date: Tue, 30 Dec 2014 09:02:50 -0600
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Subject: [PATCH 03/13] conditionally fill in sin_len/sin6_len if they exist
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---
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src/usr.sbin/ntpd/config.c | 8 ++++++++
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src/usr.sbin/ntpd/parse.y | 8 +++++---
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2 files changed, 13 insertions(+), 3 deletions(-)
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diff --git a/src/usr.sbin/ntpd/config.c b/src/usr.sbin/ntpd/config.c
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index e3eeed3d6..a84635ab7 100644
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--- a/src/usr.sbin/ntpd/config.c
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+++ b/src/usr.sbin/ntpd/config.c
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@@ -72,7 +72,9 @@ host_v4(const char *s)
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if ((h = calloc(1, sizeof(struct ntp_addr))) == NULL)
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fatal(NULL);
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sa_in = (struct sockaddr_in *)&h->ss;
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+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
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sa_in->sin_len = sizeof(struct sockaddr_in);
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+#endif
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sa_in->sin_family = AF_INET;
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sa_in->sin_addr.s_addr = ina.s_addr;
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@@ -94,7 +96,9 @@ host_v6(const char *s)
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if ((h = calloc(1, sizeof(struct ntp_addr))) == NULL)
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fatal(NULL);
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sa_in6 = (struct sockaddr_in6 *)&h->ss;
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+#ifdef SIN6_LEN
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sa_in6->sin6_len = sizeof(struct sockaddr_in6);
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+#endif
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sa_in6->sin6_family = AF_INET6;
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memcpy(&sa_in6->sin6_addr,
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&((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
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@@ -156,12 +160,16 @@ host_dns(const char *s, struct ntp_addr **hn)
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h->ss.ss_family = res->ai_family;
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if (res->ai_family == AF_INET) {
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sa_in = (struct sockaddr_in *)&h->ss;
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+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
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sa_in->sin_len = sizeof(struct sockaddr_in);
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+#endif
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sa_in->sin_addr.s_addr = ((struct sockaddr_in *)
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res->ai_addr)->sin_addr.s_addr;
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} else {
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sa_in6 = (struct sockaddr_in6 *)&h->ss;
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+#ifdef SIN6_LEN
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sa_in6->sin6_len = sizeof(struct sockaddr_in6);
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+#endif
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memcpy(&sa_in6->sin6_addr, &((struct sockaddr_in6 *)
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res->ai_addr)->sin6_addr, sizeof(struct in6_addr));
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}
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diff --git a/src/usr.sbin/ntpd/parse.y b/src/usr.sbin/ntpd/parse.y
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index af4ad1731..8197fe953 100644
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--- a/src/usr.sbin/ntpd/parse.y
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+++ b/src/usr.sbin/ntpd/parse.y
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@@ -137,14 +137,16 @@ main : LISTEN ON address listen_opts {
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struct sockaddr_in6 sin6;
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sin4.sin_family = AF_INET;
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- sin4.sin_len = sizeof(struct sockaddr_in);
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sin6.sin6_family = AF_INET6;
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+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
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+ sin4.sin_len = sizeof(struct sockaddr_in);
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sin6.sin6_len = sizeof(struct sockaddr_in6);
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+#endif
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if (inet_pton(AF_INET, $3, &sin4.sin_addr) == 1)
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- memcpy(&query_addr4, &sin4, sin4.sin_len);
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+ memcpy(&query_addr4, &sin4, sizeof(struct in_addr));
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else if (inet_pton(AF_INET6, $3, &sin6.sin6_addr) == 1)
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- memcpy(&query_addr6, &sin6, sin6.sin6_len);
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+ memcpy(&query_addr6, &sin6, sizeof(struct in6_addr));
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else {
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yyerror("invalid IPv4 or IPv6 address: %s\n",
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$3);
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--
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2.13.0
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