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-rw-r--r--src/net/tcp/ftp.c61
1 files changed, 43 insertions, 18 deletions
diff --git a/src/net/tcp/ftp.c b/src/net/tcp/ftp.c
index 71a53ccf5..3ccae05e7 100644
--- a/src/net/tcp/ftp.c
+++ b/src/net/tcp/ftp.c
@@ -67,17 +67,22 @@ static inline struct ftp_request * tcp_to_ftp ( struct tcp_connection *conn ) {
return container_of ( conn, struct ftp_request, tcp );
}
+static void ftp_set_status ( struct ftp_request *ftp, int rc ) {
+ if ( ! ftp->rc )
+ ftp->rc = rc;
+}
+
+static void ftp_clear_status ( struct ftp_request *ftp ) {
+ ftp->rc = 0;
+}
+
/**
- * Mark FTP request as complete
+ * Mark FTP operation as complete
*
* @v ftp FTP request
- * @v rc Return status code
- *
*/
-static void ftp_done ( struct ftp_request *ftp, int rc ) {
- tcp_close ( &ftp->tcp_data );
- tcp_close ( &ftp->tcp );
- async_done ( &ftp->aop, rc );
+static void ftp_done ( struct ftp_request *ftp ) {
+ async_done ( &ftp->aop, ftp->rc );
}
/**
@@ -128,13 +133,14 @@ static void ftp_reply ( struct ftp_request *ftp ) {
/* Open passive connection when we get "PASV" response */
if ( ftp->state == FTP_PASV ) {
char *ptr = ftp->passive_text;
-
- ftp_parse_value ( &ptr,
- ( uint8_t * ) &ftp->tcp_data.sin.sin_addr,
- sizeof ( ftp->tcp_data.sin.sin_addr ) );
- ftp_parse_value ( &ptr,
- ( uint8_t * ) &ftp->tcp_data.sin.sin_port,
- sizeof ( ftp->tcp_data.sin.sin_port ) );
+ struct sockaddr_in *sin =
+ ( struct sockaddr_in * ) &ftp->tcp_data.peer;
+
+ sin->sin_family = AF_INET;
+ ftp_parse_value ( &ptr, ( uint8_t * ) &sin->sin_addr,
+ sizeof ( sin->sin_addr ) );
+ ftp_parse_value ( &ptr, ( uint8_t * ) &sin->sin_port,
+ sizeof ( sin->sin_port ) );
tcp_connect ( &ftp->tcp_data );
}
@@ -146,7 +152,8 @@ static void ftp_reply ( struct ftp_request *ftp ) {
err:
/* Flag protocol error and close connections */
- ftp_done ( ftp, -EPROTO );
+ ftp_set_status ( ftp, -EPROTO );
+ tcp_close ( &ftp->tcp );
}
/**
@@ -249,7 +256,15 @@ static void ftp_senddata ( struct tcp_connection *conn,
static void ftp_closed ( struct tcp_connection *conn, int status ) {
struct ftp_request *ftp = tcp_to_ftp ( conn );
- ftp_done ( ftp, status );
+ /* Close data channel and record status */
+ ftp_set_status ( ftp, status );
+ tcp_close ( &ftp->tcp_data );
+
+ /* Mark FTP operation as complete if we are the last
+ * connection to close
+ */
+ if ( tcp_closed ( &ftp->tcp_data ) )
+ ftp_done ( ftp );
}
/** FTP control channel operations */
@@ -290,9 +305,18 @@ tcp_to_ftp_data ( struct tcp_connection *conn ) {
*/
static void ftp_data_closed ( struct tcp_connection *conn, int status ) {
struct ftp_request *ftp = tcp_to_ftp_data ( conn );
+
+ /* If there was an error, close control channel and record status */
+ if ( status ) {
+ ftp_set_status ( ftp, status );
+ tcp_close ( &ftp->tcp );
+ }
- if ( status )
- ftp_done ( ftp, status );
+ /* Mark FTP operation as complete if we are the last
+ * connection to close
+ */
+ if ( tcp_closed ( &ftp->tcp ) )
+ ftp_done ( ftp );
}
/**
@@ -333,6 +357,7 @@ struct async_operation * ftp_get ( struct ftp_request *ftp ) {
ftp->tcp_data.tcp_op = &ftp_data_tcp_operations;
ftp->recvbuf = ftp->status_text;
ftp->recvsize = sizeof ( ftp->status_text ) - 1;
+ ftp_clear_status ( ftp );
tcp_connect ( &ftp->tcp );
return &ftp->aop;
}