From: Stephan Bosch <stephan.bosch@dovecot.fi>
Date: Sun, 4 Mar 2018 22:43:55 +0000 (+0100)
Subject: lib-smtp: server: RCPT command: Make sure conn->state.pending_rcpt_cmds cannot decrem... 
X-Git-Tag: 2.3.1~71
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ab4b3fd0001930742c7626278bca8c5612c10a4f;p=thirdparty%2Fdovecot%2Fcore.git

lib-smtp: server: RCPT command: Make sure conn->state.pending_rcpt_cmds cannot decrement through zero.

Added assertion.
---

diff --git a/src/lib-smtp/smtp-server-cmd-rcpt.c b/src/lib-smtp/smtp-server-cmd-rcpt.c
index 2cdcc14535..a3417b7b06 100644
--- a/src/lib-smtp/smtp-server-cmd-rcpt.c
+++ b/src/lib-smtp/smtp-server-cmd-rcpt.c
@@ -43,6 +43,7 @@ static void cmd_rcpt_completed(struct smtp_server_cmd_ctx *cmd)
 	struct smtp_server_transaction *trans = conn->state.trans;
 	struct smtp_server_recipient *rcpt;
 
+	i_assert(conn->state.pending_rcpt_cmds > 0);
 	conn->state.pending_rcpt_cmds--;
 
 	i_assert(smtp_server_command_is_replied(command));