mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
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73 lines
2.2 KiB
Diff
73 lines
2.2 KiB
Diff
From e336a0c51b42f5a43d4d7216cf0de7fb27c8b138 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 | 37 +++++++++++++++++++++++--------------
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1 file changed, 23 insertions(+), 14 deletions(-)
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diff --git a/libc/dns/net/getaddrinfo.c b/libc/dns/net/getaddrinfo.c
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index cc94b21e2..d4d1db259 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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@@ -2129,23 +2130,31 @@ _files_getaddrinfo(void *rv, void *cb_data, va_list ap)
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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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- if (gai_error != EAI_SYSTEM) {
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- *((struct addrinfo **)rv) = sentinel.ai_next;
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- return (gai_error == 0 ? NS_SUCCESS : NS_NOTFOUND);
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- }
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-// fprintf(stderr, "_files_getaddrinfo() name = '%s'\n", name);
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- memset(&sentinel, 0, sizeof(sentinel));
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- cur = &sentinel;
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+ int hostsDisabled = 0;
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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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+ hostsDisabled = atoi(value);
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- _sethtent(&hostf);
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- while ((p = _gethtent(&hostf, name, pai)) != NULL) {
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- cur->ai_next = p;
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- while (cur && cur->ai_next)
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- cur = cur->ai_next;
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+ if (hostsDisabled == 0) {
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+ int gai_error = hc_getaddrinfo(name, NULL, pai, &cur);
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+ if (gai_error != EAI_SYSTEM) {
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+ *((struct addrinfo **)rv) = sentinel.ai_next;
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+ return (gai_error == 0 ? NS_SUCCESS : NS_NOTFOUND);
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+ }
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+
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+// fprintf(stderr, "_files_getaddrinfo() name = '%s'\n", name);
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+ memset(&sentinel, 0, sizeof(sentinel));
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+ cur = &sentinel;
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+
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+ _sethtent(&hostf);
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+ while ((p = _gethtent(&hostf, name, pai)) != NULL) {
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+ cur->ai_next = p;
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+ while (cur && cur->ai_next)
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+ cur = cur->ai_next;
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+ }
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+ _endhtent(&hostf);
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}
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- _endhtent(&hostf);
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*((struct addrinfo **)rv) = sentinel.ai_next;
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if (sentinel.ai_next == NULL)
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--
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2.36.0
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