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https://github.com/Divested-Mobile/DivestOS-Build.git
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36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Tad <tad@spotco.us>
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Date: Wed, 20 Apr 2022 00:40:52 -0400
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Subject: [PATCH] Add a toggle to disable /etc/hosts lookup
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Signed-off-by: Tad <tad@spotco.us>
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Change-Id: I92679c57e73228dc194e61a86ea1a18b2ac90e04
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---
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libc/dns/net/getaddrinfo.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/libc/dns/net/getaddrinfo.c b/libc/dns/net/getaddrinfo.c
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index cc94b21e2..12294da04 100644
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--- a/libc/dns/net/getaddrinfo.c
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+++ b/libc/dns/net/getaddrinfo.c
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@@ -83,6 +83,7 @@
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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+#include <sys/system_properties.h>
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#include <sys/un.h>
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#include <net/if.h>
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#include <netinet/in.h>
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@@ -2127,6 +2128,11 @@ _files_getaddrinfo(void *rv, void *cb_data, va_list ap)
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name = va_arg(ap, char *);
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pai = va_arg(ap, struct addrinfo *);
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+ char value[PROP_VALUE_MAX] = { 0 };
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+ if (__system_property_get("persist.security.hosts_disable", value) != 0)
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+ if (atoi(value) != 0 && strcmp(name, "localhost") != 0 && strcmp(name, "ip6-localhost") != 0)
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+ return NS_NOTFOUND;
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+
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memset(&sentinel, 0, sizeof(sentinel));
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cur = &sentinel;
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int gai_error = hc_getaddrinfo(name, NULL, pai, &cur);
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