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57 lines
2.0 KiB
57 lines
2.0 KiB
13 years ago
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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# Filename: package/.../pptpd/pptpd-1.3.4-invalid-ip-range.patch
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# Copyright (C) 2011 The OpenSDE Project
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#
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# More information can be found in the files COPYING and README.
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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# --- SDE-COPYRIGHT-NOTE-END ---
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From 44fb69accd620f858fd04aa76bf06d272829f4e7 Mon Sep 17 00:00:00 2001
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From: Christian Wiese <christian.wiese@securepoint.de>
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Date: Wed, 24 Aug 2011 14:07:07 +0200
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Subject: [PATCH] pptpd: added fix for a segfault when invalid IP ranges are specified in the config file
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Origin: http://patch-tracker.debian.org/patch/misc/dl/pptpd/1.3.4-5/pptpd.c
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Debian Changelog:
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* Apply patch provided by Sergey Naumov to fix a segmentation fault
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when invalid IP ranges are specified in the config file (upper <
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lower)
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---
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pptpd.c | 10 ++++++++++
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1 files changed, 10 insertions(+), 0 deletions(-)
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diff --git pptpd-1.3.4.orig/pptpd.c 1.3.4/pptpd.c
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index ac009e6..0fbeb65 100644
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--- pptpd-1.3.4.orig/pptpd.c
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+++ 1.3.4/pptpd.c
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@@ -735,6 +735,16 @@ static void processIPStr(int type, char *ipstr)
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continue;
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}
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+ if (upper < lower) {
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+ /* if upper < lower segmantation fault in pptpctrl happens
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+ * due to enabling pppLocal parameter without providing its value.
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+ *
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+ * we can safely use ipstr because it is not modified except
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+ * of truncating.
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+ */
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+ syslog(LOG_ERR, "MGR: Bad %s IP range: %s", (type == LOCAL)?"local":"remote", ipstr);
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+ exit(1);
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+ }
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for (n = lower; n <= upper; n++) {
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sprintf(tmpstr5, "%s%d%s", ip_pre, n, ip_post);
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/* Check if the ip address is valid */
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--
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1.6.6.2
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