commit 8a3312a: [Minor] Fix GError oversetting in DKIM code

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2020-01-06 14:52:43 +0000
URL: https://github.com/rspamd/rspamd/commit/8a3312ad64950aab2b494754e32ae974cccf8fa4 (HEAD -> master)

[Minor] Fix GError oversetting in DKIM code

---
 src/libserver/dkim.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/libserver/dkim.c b/src/libserver/dkim.c
index 4b66ebbd5..b3efd2149 100644
--- a/src/libserver/dkim.c
+++ b/src/libserver/dkim.c
@@ -1032,6 +1032,17 @@ rspamd_create_dkim_context (const gchar *sig,
 					if (!parser_funcs[param](ctx, c, tlen, err)) {
 						state = DKIM_STATE_ERROR;
 					}
+					if (state == DKIM_STATE_ERROR) {
+						/*
+						 * We need to return from here as state machine won't
+						 * do any more steps after p == end
+						 */
+						if (err) {
+							msg_info_dkim ("dkim parse failed: %e", *err);
+						}
+
+						return NULL;
+					}
 					/* Finish processing */
 					p++;
 				}