linux-hardening - [PATCH -next v3 08/10] coccinelle: Add rules to find str_on

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Message-ID: <20240911010927.741343-9-lihongbo22@huawei.com>
Date: Wed, 11 Sep 2024 09:09:25 +0800
From: Hongbo Li <lihongbo22@...wei.com>
To: <kees@...nel.org>, <andy@...nel.org>, <Julia.Lawall@...ia.fr>,
	<nicolas.palix@...g.fr>
CC: <linux-hardening@...r.kernel.org>, <cocci@...ia.fr>
Subject: [PATCH -next v3 08/10] coccinelle: Add rules to find str_on_off() replacements

As other rules done, we add rules for str_on_off()
to check the relative opportunities.

Signed-off-by: Hongbo Li <lihongbo22@...wei.com>
---
 scripts/coccinelle/api/string_choices.cocci | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/scripts/coccinelle/api/string_choices.cocci b/scripts/coccinelle/api/string_choices.cocci
index 64f04da2e9f4..34ff8f48965c 100644
--- a/scripts/coccinelle/api/string_choices.cocci
+++ b/scripts/coccinelle/api/string_choices.cocci
@@ -279,3 +279,22 @@ e << str_write_read_r.E;
 @@
 
 coccilib.report.print_report(p[0], "opportunity for str_write_read(%s)" % e)
+
+@..._on_off depends on patch@
+expression E;
+@@
+-      ((E) ? "on" : "off")
++      str_on_off(E)
+
+@..._on_off_r depends on !patch exists@
+expression E;
+position P;
+@@
+*      ((E@P) ? "on" : "off")
+
+@...ipt:python depends on report@
+p << str_on_off_r.P;
+e << str_on_off_r.E;
+@@
+
+coccilib.report.print_report(p[0], "opportunity for str_on_off(%s)" % e)
-- 
2.34.1