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authorDaniel P. Berrange <berrange@redhat.com>2017-04-21 12:12:20 +0100
committerJuan Quintela <quintela@redhat.com>2017-05-04 10:00:38 +0200
commit062d81f0e968fe1597474735f3ea038065027372 (patch)
tree38a71ca56da6015ad59190bc48fb8e279c0aebe7 /migration/exec.c
parent6b6712efccd383b48a909bee0b29e079a57601ec (diff)
downloadfocaccia-qemu-062d81f0e968fe1597474735f3ea038065027372.tar.gz
focaccia-qemu-062d81f0e968fe1597474735f3ea038065027372.zip
migration: setup bi-directional I/O channel for exec: protocol
Historically the migration data channel has only needed to be
unidirectional. Thus the 'exec:' protocol was requesting an
I/O channel with O_RDONLY on incoming side, and O_WRONLY on
the outgoing side.

This is fine for classic migration, but if you then try to run
TLS over it, this fails because the TLS handshake requires a
bi-directional channel.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'migration/exec.c')
-rw-r--r--migration/exec.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/migration/exec.c b/migration/exec.c
index 9157721dfe..aba9089466 100644
--- a/migration/exec.c
+++ b/migration/exec.c
@@ -32,7 +32,7 @@ void exec_start_outgoing_migration(MigrationState *s, const char *command, Error
 
     trace_migration_exec_outgoing(command);
     ioc = QIO_CHANNEL(qio_channel_command_new_spawn(argv,
-                                                    O_WRONLY,
+                                                    O_RDWR,
                                                     errp));
     if (!ioc) {
         return;
@@ -59,7 +59,7 @@ void exec_start_incoming_migration(const char *command, Error **errp)
 
     trace_migration_exec_incoming(command);
     ioc = QIO_CHANNEL(qio_channel_command_new_spawn(argv,
-                                                    O_RDONLY,
+                                                    O_RDWR,
                                                     errp));
     if (!ioc) {
         return;