From: Alan T. DeKok <aland@freeradius.org>
Date: Fri, 10 Nov 2017 19:46:11 +0000 (-0500)
Subject: if there's leftover bytes, ensure there's always more data to read
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8bc542aa6cbebb7ff5d00b340b4cd0197c2464dd;p=thirdparty%2Ffreeradius-server.git

if there's leftover bytes, ensure there's always more data to read
---

diff --git a/src/modules/proto_detail/proto_detail_work.c b/src/modules/proto_detail/proto_detail_work.c
index 73c67eac1df..f1d4019328e 100644
--- a/src/modules/proto_detail/proto_detail_work.c
+++ b/src/modules/proto_detail/proto_detail_work.c
@@ -440,6 +440,11 @@ done:
 	if (!inst->paused) {
 		(void) fr_event_filter_update(inst->el, inst->fd, FR_EVENT_FILTER_IO, pause_read);
 		inst->paused = true;
+
+		/*
+		 *	Back up so that read() knows there's more data.
+		 */
+		if (*leftover) (void) lseek(inst->fd, inst->read_offset - 1, SEEK_SET);
 	}
 
 	/*