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22 lines
642 B
22 lines
642 B
From 1e8b82388578a622c5caf8fa04c238fdd7808ecc Mon Sep 17 00:00:00 2001
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From: Yousong Zhou <yszhou4tech@gmail.com>
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Date: Thu, 30 Apr 2015 13:53:40 +0800
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Subject: [PATCH 6/7] xl2tpd: fix possible buffer overflow when filling
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stropt[].
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---
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xl2tpd.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/xl2tpd.c
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+++ b/xl2tpd.c
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@@ -490,7 +490,8 @@ int start_pppd (struct call *c, struct p
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{
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struct ppp_opts *p = opts;
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- while (p)
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+ int maxn_opts = sizeof(stropt) / sizeof(stropt[0]) - 1;
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+ while (p && pos < maxn_opts)
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{
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stropt[pos] = strdup (p->option);
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pos++;
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