SSH1: handle exit-status message (channels would not close)

include/libssh/channels.h

@@ -103,6 +103,7 @@ void ssh_channel_do_free(ssh_channel channel);
 #ifdef WITH_SSH1
 SSH_PACKET_CALLBACK(ssh_packet_data1);
 SSH_PACKET_CALLBACK(ssh_packet_close1);
+SSH_PACKET_CALLBACK(ssh_packet_exist_status1);
 
 /* channels1.c */
 int channel_open_session1(ssh_channel channel);

src/channels1.c

@@ -267,6 +267,19 @@ SSH_PACKET_CALLBACK(ssh_packet_close1){
   return SSH_PACKET_USED;
 }
 
+SSH_PACKET_CALLBACK(ssh_packet_exist_status1){
+  ssh_channel channel = ssh_get_channel1(session);
+  uint32_t status;
+  (void)type;
+  (void)user;
+  buffer_get_u32(packet, &status);
+  channel->state = SSH_CHANNEL_STATE_CLOSED;
+  channel->remote_eof = 1;
+  channel->exit_status = ntohl(status);
+
+  return SSH_PACKET_USED;
+}
+
 
 int channel_write1(ssh_channel channel, const void *data, int len) {
   ssh_session session = channel->session;

src/packet1.c

@@ -55,7 +55,7 @@ ssh_packet_callback default_packet_handlers1[]= {
   ssh_packet_data1,               //SSH_SMSG_STDOUT_DATA                17
   ssh_packet_data1,               //SSH_SMSG_STDERR_DATA                18
   NULL,                           //SSH_CMSG_EOF                        19
-  NULL,                           //SSH_SMSG_EXITSTATUS                 20
+  ssh_packet_exist_status1,       //SSH_SMSG_EXITSTATUS                 20
   NULL,                           //SSH_MSG_CHANNEL_OPEN_CONFIRMATION   21
   NULL,                           //SSH_MSG_CHANNEL_OPEN_FAILURE        22
   NULL,                           //SSH_MSG_CHANNEL_DATA                23