From a552ec1396053105da3b962eb0971b0e8e922612 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Tue, 12 Dec 2006 16:11:16 +0000
Subject: [PATCH] * If DHCP reports DNS addresses, we'll now rewrite
 /etc/resolv.conf for now. * minor cleanup.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19477 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/servers/net/DHCPClient.cpp | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/servers/net/DHCPClient.cpp b/src/servers/net/DHCPClient.cpp
index 060103c94d..2d6c259c97 100644
--- a/src/servers/net/DHCPClient.cpp
+++ b/src/servers/net/DHCPClient.cpp
@@ -211,7 +211,7 @@ dhcp_message::Type() const
 {
 	dhcp_option_cookie cookie;
 	message_option option;
-	const uint8 *data;
+	const uint8* data;
 	size_t size;
 	while (NextOption(cookie, option, data, size)) {
 		// iterate through all options
@@ -228,7 +228,7 @@ dhcp_message::LastOption() const
 {
 	dhcp_option_cookie cookie;
 	message_option option;
-	const uint8 *data;
+	const uint8* data;
 	size_t size;
 	while (NextOption(cookie, option, data, size)) {
 		// iterate through all options
@@ -444,7 +444,7 @@ DHCPClient::DHCPClient(BMessenger target, const char* device)
 				if (state != REQUESTING)
 					continue;
 
-				// try again
+				// try again (maybe we should prefer other servers if this happens more than once)
 				fStatus = _SendMessage(socket, discover, broadcast);
 				if (fStatus == B_OK)
 					state = INIT;
@@ -480,7 +480,7 @@ DHCPClient::_ParseOptions(dhcp_message& message, BMessage& address)
 {
 	dhcp_option_cookie cookie;
 	message_option option;
-	const uint8 *data;
+	const uint8* data;
 	size_t size;
 	while (message.NextOption(cookie, option, data, size)) {
 		// iterate through all options
@@ -492,11 +492,17 @@ DHCPClient::_ParseOptions(dhcp_message& message, BMessage& address)
 				address.AddString("mask", _ToString(data));
 				break;
 			case OPTION_DOMAIN_NAME_SERVER:
-				// TODO: for now, write it out to /etc/resolv.conf
+			{
+				// TODO: for now, we write it just out to /etc/resolv.conf
+				FILE* file = fopen("/etc/resolv.conf", "w");
 				for (uint32 i = 0; i < size / 4; i++) {
 					printf("DNS: %s\n", _ToString(&data[i*4]).String());
+					if (file != NULL)
+						fprintf(file, "nameserver %s\n", _ToString(&data[i*4]).String());
 				}
+				fclose(file);
 				break;
+			}
 			case OPTION_SERVER_ADDRESS:
 				fServer.sin_addr.s_addr = *(in_addr_t*)data;
 				break;