From: Victor Julien <vjulien@oisf.net>
Date: Sun, 5 Jun 2022 16:23:55 +0000 (+0200)
Subject: smtp: remove defunct check for line with single LF
X-Git-Tag: suricata-5.0.10~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=83f54d2b4e01e6eb9113422ec5cb9877db5758c4;p=thirdparty%2Fsuricata.git

smtp: remove defunct check for line with single LF

Don't fix it as DATA processing needs all the bytes.

(cherry picked from commit 96bb67f474242936c029e57be3d4da1365150943)
---

diff --git a/src/app-layer-smtp.c b/src/app-layer-smtp.c
index 5ddb37182c..47edaf5b90 100644
--- a/src/app-layer-smtp.c
+++ b/src/app-layer-smtp.c
@@ -1251,12 +1251,6 @@ static int SMTPProcessRequest(SMTPState *state, Flow *f,
     SCEnter();
     SMTPTransaction *tx = state->curr_tx;
 
-    /* Line with just LF */
-    if (state->current_line_len == 0 && state->consumed == 1 &&
-            state->current_line_delimiter_len == 0) {
-        return 0; // to continue processing further
-    }
-
     if (state->curr_tx == NULL || (state->curr_tx->done && !NoNewTx(state))) {
         tx = SMTPTransactionCreate();
         if (tx == NULL)