From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Mon, 2 Mar 2026 12:07:59 +0000 (+0200)
Subject: util: script - Fix handling environment variables if they contain \001 characters
X-Git-Tag: 2.4.3~126
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0276bd02853a142fdccedd3cdcd81dc4214c0d79;p=thirdparty%2Fdovecot%2Fcore.git

util: script - Fix handling environment variables if they contain \001 characters

This could have resulted in a crash or at least wrong behavior.

Broken since the environment code was added in
7e993ece468916599df2feb3d4c64a91c69cedf8
---

diff --git a/src/util/script.c b/src/util/script.c
index 391b87bc06..bc5eeb50de 100644
--- a/src/util/script.c
+++ b/src/util/script.c
@@ -165,7 +165,7 @@ parse_input(ARRAY_TYPE(const_string)* envs, const char *const **args_r,
 			p = strchr(env, '=');
 			if (p == NULL)
 				i_fatal("invalid environment variable");
-			envname = t_strdup_until((**args_r)+4, p);
+			envname = t_strdup_until(env, p);
 
 			if (str_array_find(accepted_envs, envname))
 				array_push_back(envs, &env);