if PACKAGESITE url scheme is not 'file://', always try to revolv SRV records and

use them if any. It allows the bootstrap to use directly pkg.FreeBSD.org instead
of pkgbeta.FreeBSD.org

MFC after:	1 month

1 files changed, 45 insertions, 0 deletions

diff --git a/usr.sbin/pkg/dns_utils.h b/usr.sbin/pkg/dns_utils.h
new file mode 100644
index 0000000..0f3367b
--- /dev/null
+++ b/usr.sbin/pkg/dns_utils.h
@@ -0,0 +1,45 @@
+/*-
+ * Copyright (c) 2012 Baptiste Daroussin <bapt@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef DNS_UTILS_H
+#define DNS_UTILS_H
+struct dns_srvinfo {
+	unsigned int type;
+	unsigned int class;
+	unsigned int ttl;
+	unsigned int priority;
+	unsigned int weight;
+	unsigned int port;
+	char host[MAXHOSTNAMELEN];
+	struct dns_srvinfo *next;
+};
+
+struct dns_srvinfo *
+	dns_getsrvinfo(const char *zone);
+
+#endif