DivestOS/Patches/LineageOS-18.1/android_bionic/0003-hosts_toggle.patch

39 lines
1.1 KiB
Diff
Raw Normal View History

From f5cc53d8d4dfcffe5d1c7b029078803112e79919 Mon Sep 17 00:00:00 2001
From: Tad <tad@spotco.us>
Date: Wed, 20 Apr 2022 00:40:52 -0400
Subject: [PATCH] Add a toggle to disable /etc/hosts lookup
Signed-off-by: Tad <tad@spotco.us>
Change-Id: I92679c57e73228dc194e61a86ea1a18b2ac90e04
---
libc/dns/net/getaddrinfo.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libc/dns/net/getaddrinfo.c b/libc/dns/net/getaddrinfo.c
index cc94b21e2..36c887a38 100644
--- a/libc/dns/net/getaddrinfo.c
+++ b/libc/dns/net/getaddrinfo.c
@@ -83,6 +83,7 @@
#include <sys/stat.h>
#include <sys/param.h>
#include <sys/socket.h>
+#include <sys/system_properties.h>
#include <sys/un.h>
#include <net/if.h>
#include <netinet/in.h>
@@ -2118,6 +2119,11 @@ found:
static int
_files_getaddrinfo(void *rv, void *cb_data, va_list ap)
{
+ char value[PROP_VALUE_MAX] = { 0 };
+ if (__system_property_get("persist.security.hosts_disable", value) != 0)
+ if (atoi(value) != 0)
+ return NS_NOTFOUND;
+
const char *name;
const struct addrinfo *pai;
struct addrinfo sentinel, *cur;
--
2.36.0