lib: istream-multiplex - Return error if the last packet wasn't fully…

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dovecot · Dec 22, 2017 · 4fcc784 · 4fcc784
1 parent 1082d0b
commit 4fcc784
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/src/lib/istream-multiplex.c b/src/lib/istream-multiplex.c
@@ -56,8 +56,15 @@ static void propagate_eof(struct multiplex_istream *mstream)
 {
 	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);
 		}
 	}
 }