From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Tue, 21 Sep 2021 15:26:53 +0000 (+0300)
Subject: doveconf: Avoid unnecessary data stack use when writing output
X-Git-Tag: 2.3.17~71
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9055758361293ba5be41e9c2e97bfb9b8bf20fa4;p=thirdparty%2Fdovecot%2Fcore.git

doveconf: Avoid unnecessary data stack use when writing output
---

diff --git a/src/config/doveconf.c b/src/config/doveconf.c
index 821684867d..79ea9e8a1d 100644
--- a/src/config/doveconf.c
+++ b/src/config/doveconf.c
@@ -77,8 +77,8 @@ config_request_get_strings(const char *key, const char *value,
 	case CONFIG_KEY_UNIQUE_KEY:
 		p = strrchr(key, '/');
 		i_assert(p != NULL);
-		value = p_strdup_printf(ctx->pool, "%s/"UNIQUE_KEY_SUFFIX"%s=%s",
-					t_strdup_until(key, p), p + 1, value);
+		value = p_strdup_printf(ctx->pool, "%.*s/"UNIQUE_KEY_SUFFIX"%s=%s",
+					(int)(p - key), key, p + 1, value);
 		break;
 	case CONFIG_KEY_ERROR:
 		value = p_strdup(ctx->pool, value);