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45 lines
1.5 KiB
45 lines
1.5 KiB
Subject: Bind to IPv4 localhost by default
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Origin: other, http://openocd.zylin.com/#/c/4331/2
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Last-Update: 2018-01-18
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From f8630b0b15e30dc6c51270006a4e075c79cf466a Mon Sep 17 00:00:00 2001
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From: Paul Fertser <fercerpav@gmail.com>
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Date: Sat, 13 Jan 2018 16:22:10 +0300
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Subject: [PATCH] server: bind to IPv4 localhost by default
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Since OpenOCD basically allows to perform arbitrary actions on behalf of
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the running user, it makes sense to restrict the exposure by default.
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If you need network connectivity and your environment is safe enough,
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use "bindto 0.0.0.0" to switch to the old behaviour.
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Change-Id: I4a4044b90d0ecb30118cea96fc92a7bcff0924e0
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Signed-off-by: Paul Fertser <fercerpav@gmail.com>
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---
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diff --git a/doc/openocd.texi b/doc/openocd.texi
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index 7f5b72e..5c7f465 100644
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--- a/doc/openocd.texi
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+++ b/doc/openocd.texi
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@@ -7017,7 +7017,7 @@
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@deffn Command bindto [name]
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Specify address by name on which to listen for incoming TCP/IP connections.
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-By default, OpenOCD will listen on all available interfaces.
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+By default, OpenOCD will listen on the loopback interface only.
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@end deffn
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@anchor{targetstatehandling}
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diff --git a/src/server/server.c b/src/server/server.c
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index 1e52e97..ea1e898 100644
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--- a/src/server/server.c
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+++ b/src/server/server.c
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@@ -259,7 +259,7 @@
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c->sin.sin_family = AF_INET;
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if (bindto_name == NULL)
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- c->sin.sin_addr.s_addr = INADDR_ANY;
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+ c->sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
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else {
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hp = gethostbyname(bindto_name);
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if (hp == NULL) {
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