From 555e02dee7e46831eaeb7ff2c90f49b6943bb157 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@android.com>
Date: Thu, 28 Oct 2010 13:22:20 -0700
Subject: [PATCH] Don't proxy getaddrinfo when net.dns1.[MYPID] is set.

Part of on-going DNS proxy/cache work.

Bug: 1146676
Change-Id: I5e6028169c81c2223efc34c3b57e348c44f26d26
---
 libc/netbsd/net/getaddrinfo.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/libc/netbsd/net/getaddrinfo.c b/libc/netbsd/net/getaddrinfo.c
index 4fa92b74b..451065246 100644
--- a/libc/netbsd/net/getaddrinfo.c
+++ b/libc/netbsd/net/getaddrinfo.c
@@ -103,6 +103,10 @@
 #include <stdarg.h>
 #include "nsswitch.h"
 
+#ifdef ANDROID_CHANGES
+#include <sys/system_properties.h>
+#endif /* ANDROID_CHANGES */
+
 typedef union sockaddr_union {
     struct sockaddr     generic;
     struct sockaddr_in  in;
@@ -399,6 +403,16 @@ android_getaddrinfo_proxy(
 		return -1;
 	}
 
+	// Temporary cautious hack to disable the DNS proxy for processes
+	// requesting special treatment.  Ideally the DNS proxy should
+	// accomodate these apps, though.
+	char propname[PROP_NAME_MAX];
+	char propvalue[PROP_VALUE_MAX];
+	snprintf(propname, sizeof(propname), "net.dns1.%d", getpid());
+	if (__system_property_get(propname, propvalue) > 0) {
+		return -1;
+	}
+
 	// Bogus things we can't serialize.  Don't use the proxy.
 	if ((hostname != NULL &&
 	     strcspn(hostname, " \n\r\t^'\"") != strlen(hostname)) ||