38 lines
941 B
Diff
38 lines
941 B
Diff
From 21d2d5191160439544150c017216f751c2c392fd Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Tim=20R=C3=BChsen?= <tim.ruehsen@gmx.de>
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Date: Sun, 16 Jan 2022 12:55:51 +0100
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Subject: [PATCH] Avoid 'NULL + 1' as it is UB
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---
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src/psl.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/src/psl.c b/src/psl.c
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index 8e7a9e8..f85a895 100644
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--- a/src/psl.c
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+++ b/src/psl.c
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@@ -568,7 +568,7 @@ static int domain_to_punycode(const char *domain, char *out, size_t outsize)
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punycode_uint input[256];
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const char *label, *e;
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- for (e = label = domain; e; label = e + 1) {
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+ for (e = label = domain; e;) {
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e = strchr(label, '.');
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labellen = e ? (size_t) (e - label) : strlen(label);
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@@ -596,8 +596,10 @@ static int domain_to_punycode(const char *domain, char *out, size_t outsize)
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outlen += labellen;
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}
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- if (e)
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+ if (e) {
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+ label = e + 1;
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out[outlen++] = '.';
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+ }
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out[outlen] = 0;
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}
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--
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2.27.0
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