diff options
| -rw-r--r-- | slirp/tftp.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/slirp/tftp.c b/slirp/tftp.c index 082f5d0409..12dd3444f8 100644 --- a/slirp/tftp.c +++ b/slirp/tftp.c @@ -264,6 +264,12 @@ static void tftp_handle_rrq(Slirp *slirp, struct tftp_t *tp, int pktlen) size_t prefix_len; char *req_fname; + /* check if a session already exists and if so terminate it */ + s = tftp_session_find(slirp, tp); + if (s >= 0) { + tftp_session_terminate(&slirp->tftp_sessions[s]); + } + s = tftp_session_allocate(slirp, tp); if (s < 0) { @@ -385,6 +391,19 @@ static void tftp_handle_ack(Slirp *slirp, struct tftp_t *tp, int pktlen) } } +static void tftp_handle_error(Slirp *slirp, struct tftp_t *tp, int pktlen) +{ + int s; + + s = tftp_session_find(slirp, tp); + + if (s < 0) { + return; + } + + tftp_session_terminate(&slirp->tftp_sessions[s]); +} + void tftp_input(struct mbuf *m) { struct tftp_t *tp = (struct tftp_t *)m->m_data; @@ -397,5 +416,9 @@ void tftp_input(struct mbuf *m) case TFTP_ACK: tftp_handle_ack(m->slirp, tp, m->m_len); break; + + case TFTP_ERROR: + tftp_handle_error(m->slirp, tp, m->m_len); + break; } } |