# HG changeset patch
# User Timo Sirainen <timo.sirainen@dovecot.fi>
# Date 1513948200 -7200
# Node ID b35916412f38f906a8614ab499018622d02ce047
# Parent  687aec32e0e582f409af680754ec9ed2c79f8588
lib: istream-multiplex - Return error if the last packet wasn't fully read

diff -r 687aec32e0e5 -r b35916412f38 src/lib/istream-multiplex.c
--- a/src/lib/istream-multiplex.c	Fri Dec 22 15:07:28 2017 +0200
+++ b/src/lib/istream-multiplex.c	Fri Dec 22 15:10:00 2017 +0200
@@ -56,8 +56,15 @@
 {
 	struct multiplex_ichannel **channelp;
 	array_foreach_modifiable(&mstream->channels, channelp) {
-		if (*channelp != NULL) {
-			(*channelp)->istream.istream.eof = TRUE;
+		if (*channelp == NULL)
+			continue;
+
+		(*channelp)->istream.istream.eof = TRUE;
+		if (mstream->remain > 0) {
+			(*channelp)->istream.istream.stream_errno = EPIPE;
+			io_stream_set_error(&(*channelp)->istream.iostream,
+				"Unexpected EOF - %u bytes remaining in packet",
+				mstream->remain);
 		}
 	}
 }