diff options
| -rw-r--r-- | vnc/vnc.c | 160 | ||||
| -rw-r--r-- | vnc/vnc.h | 3 |
2 files changed, 150 insertions, 13 deletions
@@ -124,6 +124,85 @@ lib_send(struct vnc* v, char* data, int len) } /******************************************************************************/ +static int DEFAULT_CC +lib_process_channel_data(struct vnc* v, int chanid, int size, struct stream* s) +{ + int type; + int status; + int length; + int index; + int format; + struct stream* out_s; + + if (chanid == v->clip_chanid) + { + in_uint16_le(s, type); + in_uint16_le(s, status); + in_uint32_le(s, length); + //g_writeln("clip data type %d status %d length %d", type, status, length); + //g_hexdump(s->p, s->end - s->p); + switch (type) + { + case 2: /* CLIPRDR_FORMAT_ANNOUNCE */ + make_stream(out_s); + init_stream(out_s, 8192); + out_uint16_le(out_s, 3); + out_uint16_le(out_s, 1); + out_uint32_le(out_s, 0); + out_uint8s(out_s, 4); /* pad */ + s_mark_end(out_s); + length = (int)(out_s->end - out_s->data); + v->server_send_to_channel(v, v->clip_chanid, out_s->data, length); + free_stream(out_s); + break; + case 3: /* CLIPRDR_FORMAT_ACK */ + break; + case 4: /* CLIPRDR_DATA_REQUEST */ + format = 0; + if (length >= 4) + { + in_uint32_le(s, format); + } + /* only support CF_TEXT and CF_UNICODETEXT */ + if ((format != 1) && (format != 13)) + { + break; + } + make_stream(out_s); + init_stream(out_s, 8192); + out_uint16_le(out_s, 5); + out_uint16_le(out_s, 1); + if (format == 13) /* CF_UNICODETEXT */ + { + out_uint32_le(out_s, v->clip_data_size * 2 + 2); + for (index = 0; index < v->clip_data_size; index++) + { + out_uint8(out_s, v->clip_data[index]); + out_uint8(out_s, 0); + } + out_uint8s(out_s, 2); + } + else if (format == 1) /* CF_TEXT */ + { + out_uint32_le(out_s, v->clip_data_size + 1); + for (index = 0; index < v->clip_data_size; index++) + { + out_uint8(out_s, v->clip_data[index]); + } + out_uint8s(out_s, 1); + } + out_uint8s(out_s, 4); /* pad */ + s_mark_end(out_s); + length = (int)(out_s->end - out_s->data); + v->server_send_to_channel(v, v->clip_chanid, out_s->data, length); + free_stream(out_s); + break; + } + } + return 0; +} + +/******************************************************************************/ int DEFAULT_CC lib_mod_event(struct vnc* v, int msg, long param1, long param2, long param3, long param4) @@ -135,11 +214,32 @@ lib_mod_event(struct vnc* v, int msg, long param1, long param2, int y; int cx; int cy; + int size; + int chanid; + char* data; char text[256]; error = 0; make_stream(s); - if (msg >= 15 && msg <= 16) /* key events */ + if (msg == 0x5555) /* channel data */ + { + chanid = (int)param1; + size = (int)param2; + data = (char*)param3; + if ((size >= 0) && (size <= (32 * 1024)) && (data != 0)) + { + init_stream(s, size); + out_uint8a(s, data, size); + s_mark_end(s); + s->p = s->data; + error = lib_process_channel_data(v, chanid, size, s); + } + else + { + error = 1; + } + } + else if (msg >= 15 && msg <= 16) /* key events */ { key = 0; if (param2 == 0xffff) /* ascii char */ @@ -635,10 +735,13 @@ int DEFAULT_CC lib_clip_data(struct vnc* v) { struct stream* s; + struct stream* out_s; int size; int error; - int temp; + g_free(v->clip_data); + v->clip_data = 0; + v->clip_data_size = 0; make_stream(s); init_stream(s, 8192); error = lib_recv(v, s->data, 7); @@ -646,17 +749,30 @@ lib_clip_data(struct vnc* v) { in_uint8s(s, 3); in_uint32_be(s, size); - while (size > 0 && error == 0) - { - init_stream(s, 8192); - temp = size; - if (temp > 8192) - { - temp = 8192; - } - error = lib_recv(v, s->data, temp); - size -= temp; - } + v->clip_data = (char*)g_malloc(size, 0); + v->clip_data_size = size; + error = lib_recv(v, v->clip_data, size); + } + if (error == 0) + { + make_stream(out_s); + init_stream(out_s, 8192); + out_uint16_le(out_s, 2); + out_uint16_le(out_s, 0); + out_uint32_le(out_s, 0x90); + out_uint8(out_s, 0x0d); + out_uint8s(out_s, 35); + out_uint8(out_s, 0x10); + out_uint8s(out_s, 35); + out_uint8(out_s, 0x01); + out_uint8s(out_s, 35); + out_uint8(out_s, 0x07); + out_uint8s(out_s, 35); + out_uint8s(out_s, 4); + s_mark_end(out_s); + size = (int)(out_s->end - out_s->data); + error = v->server_send_to_channel(v, v->clip_chanid, out_s->data, size); + free_stream(out_s); } free_stream(s); return error; @@ -759,6 +875,20 @@ lib_mod_start(struct vnc* v, int w, int h, int bpp) } /******************************************************************************/ +static int APP_CC +lib_open_clip_channel(struct vnc* v) +{ + char init_data[12] = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; + + v->clip_chanid = v->server_get_channel_id(v, "cliprdr"); + if (v->clip_chanid >= 0) + { + v->server_send_to_channel(v, v->clip_chanid, init_data, 12); + } + return 0; +} + +/******************************************************************************/ /* return error */ @@ -1091,6 +1221,7 @@ lib_mod_connect(struct vnc* v) if (error == 0) { v->server_msg(v, "connection complete, connected ok", 0); + lib_open_clip_channel(v); } else { @@ -1106,6 +1237,9 @@ lib_mod_end(struct vnc* v) if (v->vnc_desktop != 0) { } + g_free(v->clip_data); + v->clip_data = 0; + v->clip_data_size = 0; return 0; } @@ -104,4 +104,7 @@ struct vnc int sck_closed; int shift_state; /* 0 up, 1 down */ int keylayout; + int clip_chanid; + char* clip_data; + int clip_data_size; }; |