From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Mon, 3 Mar 2025 07:47:25 +0000 (+0200)
Subject: config: If first line isn't dovecot_config_version, don't try to parse it
X-Git-Tag: 2.4.1~115
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2e33e4e9f031eef44ecaa6e71000728c3b8d49a0;p=thirdparty%2Fdovecot%2Fcore.git

config: If first line isn't dovecot_config_version, don't try to parse it

After following changes it can crash.
---

diff --git a/src/config/config-parser.c b/src/config/config-parser.c
index a71666519c..7892fdd9f4 100644
--- a/src/config/config-parser.c
+++ b/src/config/config-parser.c
@@ -2955,7 +2955,8 @@ prevfile:
 		if (config_line.type == CONFIG_LINE_TYPE_CONTINUE)
 			continue;
 
-		if (!config_parser_get_version(&ctx, &config_line)) T_BEGIN {
+		if (!config_parser_get_version(&ctx, &config_line) &&
+		    ctx.error == NULL) T_BEGIN {
 			handled = old_settings_handle(&ctx, &config_line);
 			if (!handled)
 				config_parser_apply_line(&ctx, &config_line);