diff options
Diffstat (limited to 'libxrdp/xrdp_fastpath.c')
| -rw-r--r-- | libxrdp/xrdp_fastpath.c | 253 |
1 files changed, 235 insertions, 18 deletions
diff --git a/libxrdp/xrdp_fastpath.c b/libxrdp/xrdp_fastpath.c index 10f844e5..572b5a98 100644 --- a/libxrdp/xrdp_fastpath.c +++ b/libxrdp/xrdp_fastpath.c @@ -2,7 +2,7 @@ * xrdp: A Remote Desktop Protocol server. * * Copyright (C) Jay Sorg 2012-2013 - * Copyright (C) Kevin Zhou 2012 + * Copyright (C) Idan Freiberg 2013-2014 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,16 +21,16 @@ /*****************************************************************************/ struct xrdp_fastpath *APP_CC -xrdp_fastpath_create(struct xrdp_session *session) +xrdp_fastpath_create(struct xrdp_sec *owner, struct trans *trans) { struct xrdp_fastpath *self; + DEBUG((" in xrdp_fastpath_create")); self = (struct xrdp_fastpath *)g_malloc(sizeof(struct xrdp_fastpath), 1); - self->tcp_layer = - ((struct xrdp_rdp *)session->rdp)->sec_layer-> - mcs_layer->iso_layer->tcp_layer; - make_stream(self->out_s); - init_stream(self->out_s, FASTPATH_MAX_PACKET_SIZE); + self->sec_layer = owner; + self->trans = trans; + self->session = owner->rdp_layer->session; + DEBUG((" out xrdp_fastpath_create")); return self; } @@ -42,8 +42,6 @@ xrdp_fastpath_delete(struct xrdp_fastpath *self) { return; } - - free_stream(self->out_s); g_free(self); } @@ -54,7 +52,46 @@ xrdp_fastpath_reset(struct xrdp_fastpath *self) { return 0; } +/*****************************************************************************/ +int APP_CC +xrdp_fastpath_recv(struct xrdp_fastpath *self, struct stream *s) +{ + int fp_hdr; + int len = 0; + int byte; + int hdr_len = 2; /* fastpath header length - can be 2 or 3 bytes long, depends on length */ + DEBUG((" in xrdp_fastpath_recv")); + + in_uint8(s, fp_hdr); /* fpInputHeader (1 byte) */ + g_writeln("xrdp_fastpath_recv: header= 0x%8.8x", fp_hdr); + + self->numEvents = (fp_hdr & 0x3C) >> 2; + self->secFlags = (fp_hdr & 0xC0) >> 6; + + // receive fastpath first length packet + in_uint8(s, byte); /* length 1 */ + + if (byte & 0x80) + { + byte &= ~(0x80); + len = (byte << 8); + // receive fastpath second length packet + in_uint8(s, byte); /* length 2 */ + hdr_len++; + len += byte; + } + else + { + len = byte; + } + +// g_writeln("len= %d , numEvents= %d, secFlags= %d, bytesleft: %d", len, self->numEvents, self->secFlags, (s->p - s->data)); + DEBUG((" out xrdp_fastpath_recv")); + + return 0; +} +/*****************************************************************************/ int APP_CC xrdp_fastpath_init(struct xrdp_fastpath *self) { @@ -76,7 +113,7 @@ xrdp_fastpath_send_update_pdu(struct xrdp_fastpath *self, tui8 updateCode, int i32; compression = 0; - s_send = self->out_s; +// s_send = self->out_s; maxLen = FASTPATH_MAX_PACKET_SIZE - 6; /* 6 bytes for header */ payloadLeft = (s->end - s->data); @@ -112,13 +149,13 @@ xrdp_fastpath_send_update_pdu(struct xrdp_fastpath *self, tui8 updateCode, ((compression & 0x03) << 6); out_uint8(s_send, i32); out_uint16_le(s_send, len); - s_copy(s_send, s, len); +// s_copy(s_send, s, len); s_mark_end(s_send); - if (xrdp_tcp_send(self->tcp_layer, s_send) != 0) - { - return 1; - } +// if (xrdp_tcp_send(self->tcp_layer, s_send) != 0) +// { +// return 1; +// } } return 0; @@ -169,12 +206,12 @@ xrdp_fastpath_process_data(struct xrdp_fastpath *self, struct stream *s, encryptionFlags = (header & 0xc0) >> 6; numberEvents = (header & 0x3c) >> 2; - xrdp_tcp_recv(self->tcp_layer, s, 1); +// xrdp_tcp_recv(self->tcp_layer, s, 1); in_uint8(s, length); if (length & 0x80) { - xrdp_tcp_recv(self->tcp_layer, s, 1); +// xrdp_tcp_recv(self->tcp_layer, s, 1); in_uint8(s, length2); length = (length & 0x7f) << 8 + length2 - 3; } @@ -183,7 +220,7 @@ xrdp_fastpath_process_data(struct xrdp_fastpath *self, struct stream *s, length -= 2; } - xrdp_tcp_recv(self->tcp_layer, s, length); +// xrdp_tcp_recv(self->tcp_layer, s, length); if (encryptionFlags != 0) { @@ -207,3 +244,183 @@ xrdp_fastpath_process_data(struct xrdp_fastpath *self, struct stream *s, in_uint16_le(s, size); return xrdp_fastpath_process_update(self, updateCode, size, s); } + +/*****************************************************************************/ +/* FASTPATH_INPUT_EVENT_SCANCODE */ +int APP_CC +xrdp_fastpath_process_EVENT_SCANCODE(struct xrdp_fastpath *self, int eventFlags, struct stream *s) +{ + int flags; + int code; + flags = 0; + + in_uint8(s, code); /* keyCode (1 byte) */ + //g_writeln("scan code detected: %d", code); + + if ((eventFlags & FASTPATH_INPUT_KBDFLAGS_RELEASE)) + flags |= KBD_FLAG_UP; + else + flags |= KBD_FLAG_DOWN; + + if ((eventFlags & FASTPATH_INPUT_KBDFLAGS_EXTENDED)) + flags |= KBD_FLAG_EXT; + + if (self->session->callback != 0) + { + /* msg_type can be + RDP_INPUT_SYNCHRONIZE - 0 + RDP_INPUT_SCANCODE - 4 + RDP_INPUT_MOUSE - 0x8001 + RDP_INPUT_MOUSEX - 0x8002 */ + /* call to xrdp_wm.c : callback */ + self->session->callback(self->session->id, RDP_INPUT_SCANCODE, code, 0, + flags, 0); + } + return 0; +} +/*****************************************************************************/ +/* FASTPATH_INPUT_EVENT_MOUSE */ +int APP_CC +xrdp_fastpath_process_EVENT_MOUSE(struct xrdp_fastpath *self, int eventFlags, struct stream *s) +{ + int pointerFlags; + int xPos; + int yPos; + + in_uint16_le(s, pointerFlags); /* pointerFlags (2 bytes) */ + in_uint16_le(s, xPos); /* xPos (2 bytes) */ + in_uint16_le(s, yPos); /* yPos (2 bytes) */ + + if (self->session->callback != 0) + { + /* msg_type can be + RDP_INPUT_SYNCHRONIZE - 0 + RDP_INPUT_SCANCODE - 4 + RDP_INPUT_MOUSE - 0x8001 + RDP_INPUT_MOUSEX - 0x8002 */ + /* call to xrdp_wm.c : callback */ + self->session->callback(self->session->id, RDP_INPUT_MOUSE, xPos, yPos, + pointerFlags, 0); + } + return 0; +} +/*****************************************************************************/ +/* FASTPATH_INPUT_EVENT_MOUSEX */ +int APP_CC +xrdp_fastpath_process_EVENT_MOUSEX(struct xrdp_fastpath *self, int eventFlags, struct stream *s) +{ + int pointerFlags; + int xPos; + int yPos; + + in_uint16_le(s, pointerFlags); /* pointerFlags (2 bytes) */ + in_uint16_le(s, xPos); /* xPos (2 bytes) */ + in_uint16_le(s, yPos); /* yPos (2 bytes) */ + + if (self->session->callback != 0) + { + /* msg_type can be + RDP_INPUT_SYNCHRONIZE - 0 + RDP_INPUT_SCANCODE - 4 + RDP_INPUT_MOUSE - 0x8001 + RDP_INPUT_MOUSEX - 0x8002 */ + /* call to xrdp_wm.c : callback */ + self->session->callback(self->session->id, RDP_INPUT_MOUSEX, xPos, yPos, + pointerFlags, 0); + } + return 0; +} +/*****************************************************************************/ +/* FASTPATH_INPUT_EVENT_SYNC */ +int APP_CC +xrdp_fastpath_process_EVENT_SYNC(struct xrdp_fastpath *self, int eventCode, int eventFlags, struct stream *s) +{ + /* + * The eventCode bitfield (3 bits in size) MUST be set to FASTPATH_INPUT_EVENT_SYNC (3). + * The eventFlags bitfield (5 bits in size) contains flags indicating the "on" + * status of the keyboard toggle keys. + */ + if (self->session->callback != 0) + { + /* msg_type can be + RDP_INPUT_SYNCHRONIZE - 0 + RDP_INPUT_SCANCODE - 4 + RDP_INPUT_MOUSE - 0x8001 + RDP_INPUT_MOUSEX - 0x8002 */ + /* call to xrdp_wm.c : callback */ + self->session->callback(self->session->id, RDP_INPUT_SYNCHRONIZE, eventCode, 0, + eventFlags, 0); + } + return 0; +} +/*****************************************************************************/ +/* FASTPATH_INPUT_EVENT_UNICODE */ +int APP_CC +xrdp_fastpath_process_EVENT_UNICODE(struct xrdp_fastpath *self, int eventFlags, struct stream *s) +{ + in_uint8s(s, 2); + return 0; +} +/*****************************************************************************/ +/* FASTPATH_INPUT_EVENT */ +int APP_CC +xrdp_fastpath_process_input_event(struct xrdp_fastpath *self, struct stream *s) +{ + int i; + int eventHeader; + int eventCode; + int eventFlags; + + // process fastpath input events + for (i = 0 ; i < self->numEvents ; i++) { + in_uint8(s, eventHeader); + + eventFlags = (eventHeader & 0x1F); + eventCode = (eventHeader >> 5); + +// g_writeln("eventCode= %d, eventFlags= %d, numEvents= %d", +// eventCode, eventFlags, self->sec_layer->fastpath_layer->numEvents); + + switch (eventCode) + { + case FASTPATH_INPUT_EVENT_SCANCODE: + if (xrdp_fastpath_process_EVENT_SCANCODE(self, eventFlags, s) != 0) + { + return 1; + } + break; + + case FASTPATH_INPUT_EVENT_MOUSE: + if (xrdp_fastpath_process_EVENT_MOUSE(self, eventFlags, s) != 0) + { + return 1; + } + break; + case FASTPATH_INPUT_EVENT_MOUSEX: + if (xrdp_fastpath_process_EVENT_MOUSEX(self, eventFlags, s) != 0) + { + return 1; + } + break; + case FASTPATH_INPUT_EVENT_SYNC: + if (xrdp_fastpath_process_EVENT_SYNC(self, eventCode, eventFlags, s) != 0) + { + return 1; + } + break; + case FASTPATH_INPUT_EVENT_UNICODE: + if (xrdp_fastpath_process_EVENT_UNICODE(self, eventFlags, s) != 0) + { + return 1; + } + + break; + default: + g_writeln("xrdp_rdp_process_fastpath_data_input: unknown eventCode %d", eventCode); + break; + } + + } + + return 0; +} |