diff options
Diffstat (limited to 'libxrdp/xrdp_tls.c')
| -rw-r--r-- | libxrdp/xrdp_tls.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/libxrdp/xrdp_tls.c b/libxrdp/xrdp_tls.c index d893ca3c..1f6e847e 100644 --- a/libxrdp/xrdp_tls.c +++ b/libxrdp/xrdp_tls.c @@ -237,3 +237,182 @@ xrdp_tls_write(struct xrdp_tls *tls, unsigned char *data, int length) return status; } /*****************************************************************************/ +int APP_CC +xrdp_tls_force_read_s(struct trans *self, struct stream *in_s, int size) +{ + int rcvd; + + if (self->status != TRANS_STATUS_UP) + { + return 1; + } + + while (size > 0) + { + /* make sure stream has room */ + if ((in_s->end + size) > (in_s->data + in_s->size)) + { + return 1; + } + + g_writeln("xrdp_tls_force_read_s: Pending= %d", SSL_pending(self->tls->ssl)); + rcvd = xrdp_tls_read(self->tls, in_s->end, size); + + if (rcvd == -1) + { + if (g_tcp_last_error_would_block(self->sck)) + { + if (!g_tcp_can_recv(self->sck, 100)) + { + /* check for term here */ + if (self->is_term != 0) + { + if (self->is_term()) + { + /* term */ + self->status = TRANS_STATUS_DOWN; + return 1; + } + } + } + } + else + { + /* error */ + self->status = TRANS_STATUS_DOWN; + return 1; + } + } + else if (rcvd == 0) + { + /* error */ + self->status = TRANS_STATUS_DOWN; + return 1; + } + else + { + in_s->end += rcvd; + size -= rcvd; + } + } + + return 0; +} + +/*****************************************************************************/ +int APP_CC +xrdp_tls_force_write_s(struct trans *self, struct stream *out_s) +{ + int size; + int total; + int sent; + + if (self->status != TRANS_STATUS_UP) + { + return 1; + } + + size = (int)(out_s->end - out_s->data); + g_writeln("packet size= %d", size); + total = 0; + + if (send_waiting(self, 1) != 0) + { + self->status = TRANS_STATUS_DOWN; + return 1; + } + + while (total < size) + { + sent = xrdp_tls_write(self->tls, out_s->data + total, size - total); + + if (sent == -1) + { + if (g_tcp_last_error_would_block(self->sck)) + { + if (!g_tcp_can_send(self->sck, 100)) + { + /* check for term here */ + if (self->is_term != 0) + { + if (self->is_term()) + { + /* term */ + self->status = TRANS_STATUS_DOWN; + return 1; + } + } + } + } + else + { + /* error */ + self->status = TRANS_STATUS_DOWN; + return 1; + } + } + else if (sent == 0) + { + /* error */ + self->status = TRANS_STATUS_DOWN; + return 1; + } + else + { + total = total + sent; + } + } + + return 0; +} +/*****************************************************************************/ +int APP_CC +send_waiting(struct trans *self, int block) +{ + struct stream *temp_s; + int bytes; + int sent; + int timeout; + int cont; + + timeout = block ? 100 : 0; + cont = 1; + while (cont) + { + if (self->wait_s != 0) + { + temp_s = self->wait_s; + if (g_tcp_can_send(self->sck, timeout)) + { + bytes = (int) (temp_s->end - temp_s->p); + sent = xrdp_tls_write(self->tls, temp_s->p, bytes); + if (sent > 0) + { + temp_s->p += sent; + if (temp_s->p >= temp_s->end) + { + self->wait_s = (struct stream *) (temp_s->next_packet); + free_stream(temp_s); + } + } + else if (sent == 0) + { + return 1; + } + else + { + if (!g_tcp_last_error_would_block(self->sck)) + { + return 1; + } + } + } + } + else + { + break; + } + cont = block; + } + return 0; +} |
