/* Process a new licence packet */
static void
licence_process_new_license(STREAM s)
{
RDSSL_RC4 crypt_key;
uint32 length;
int i;
in_uint8s(s, 2); // Skip license binary blob type
in_uint16_le(s, length);
if (!s_check_rem(s, length))
return;
rdssl_rc4_set_key(&crypt_key, g_licence_key, 16);
rdssl_rc4_crypt(&crypt_key, s->p, s->p, length);
/* Parse NEW_LICENSE_INFO block */
in_uint8s(s, 4); // skip dwVersion
/* Skip strings, Scope, CompanyName and ProductId to get
to the LicenseInfo which we store in license blob. */
length = 0;
for (i = 0; i < 4; i++)
{
in_uint8s(s, length);
in_uint32_le(s, length);
if (!s_check_rem(s, length))
return;
}
g_licence_issued = True;
save_licence(s->p, length);
}
/* returns error */
static int APP_CC
process_message(void)
{
struct stream *s = (struct stream *)NULL;
int size = 0;
int id = 0;
int rv = 0;
char *next_msg = (char *)NULL;
if (g_con_trans == 0)
{
return 1;
}
s = trans_get_in_s(g_con_trans);
if (s == 0)
{
return 1;
}
rv = 0;
while (s_check_rem(s, 8))
{
next_msg = s->p;
in_uint32_le(s, id);
in_uint32_le(s, size);
next_msg += size;
switch (id)
{
case 1: /* init */
rv = process_message_init(s);
break;
case 3: /* channel setup */
rv = process_message_channel_setup(s);
break;
case 5: /* channel data */
rv = process_message_channel_data(s);
break;
case 7: /* channel data response */
rv = process_message_channel_data_response(s);
break;
default:
LOGM((LOG_LEVEL_ERROR, "process_message: error in process_message ",
"unknown msg %d", id));
break;
}
if (rv != 0)
{
break;
}
s->p = next_msg;
}
return rv;
}
int
clipboard_c2s_in_files(struct stream *s, char *file_list)
{
int cItems;
int lindex;
int str_len;
struct clip_file_desc *cfd;
char *ptr;
if (!s_check_rem(s, 4))
{
LLOGLN(0, ("clipboard_c2s_in_files: parse error"));
return 1;
}
in_uint32_le(s, cItems);
if (cItems > 64 * 1024) /* sanity check */
{
LLOGLN(0, ("clipboard_c2s_in_files: error cItems %d too big", cItems));
return 1;
}
xfuse_clear_clip_dir();
LLOGLN(10, ("clipboard_c2s_in_files: cItems %d", cItems));
cfd = (struct clip_file_desc *)
g_malloc(sizeof(struct clip_file_desc), 0);
ptr = file_list;
for (lindex = 0; lindex < cItems; lindex++)
{
g_memset(cfd, 0, sizeof(struct clip_file_desc));
clipboard_c2s_in_file_info(s, cfd);
if ((g_pos(cfd->cFileName, "\\") >= 0) ||
(cfd->fileAttributes & CB_FILE_ATTRIBUTE_DIRECTORY))
{
LLOGLN(0, ("clipboard_c2s_in_files: skipping directory not "
"supported [%s]", cfd->cFileName));
continue;
}
xfuse_add_clip_dir_item(cfd->cFileName, 0, cfd->fileSizeLow, lindex);
g_strcpy(ptr, "file://");
ptr += 7;
str_len = g_strlen(g_fuse_clipboard_path);
g_strcpy(ptr, g_fuse_clipboard_path);
ptr += str_len;
*ptr = '/';
ptr++;
str_len = g_strlen(cfd->cFileName);
g_strcpy(ptr, cfd->cFileName);
ptr += str_len;
*ptr = '\n';
ptr++;
}
*ptr = 0;
g_free(cfd);
return 0;
}
/* Process a Server New (or Upgrade) License packet */
static void
licence_process_new_license(rdpLicence * licence, STREAM s)
{
int i;
uint32 length;
uint32 os_major;
uint32 os_minor;
CryptoRc4 crypt_key;
/* Licensing Binary BLOB with EncryptedLicenseInfo: */
in_uint8s(s, 2); /* wBlobType should be 0x0009 (BB_ENCRYPTED_DATA_BLOB) */
in_uint16_le(s, length); /* wBlobLen */
/* RC4-encrypted New License Information */
if (!s_check_rem(s, length))
return;
crypt_key = crypto_rc4_init(licence->licence_key, 16);
crypto_rc4(crypt_key, length, s->p, s->p); /* decrypt in place */
crypto_rc4_free(crypt_key);
/* dwVersion */
in_uint16_le(s, os_major); /* OS major version */
in_uint16_le(s, os_minor); /* OS minor version */
/* Skip Scope, CompanyName and ProductId */
for (i = 0; i < 3; i++)
{
in_uint32_le(s, length);
if (!s_check_rem(s, length))
return;
in_uint8s(s, length);
}
/* LicenseInfo - CAL from license server */
in_uint32_le(s, length);
if (!s_check_rem(s, length))
return;
licence->licence_issued = True;
save_licence(s->p, length);
}
/* returns error */
static int APP_CC
process_message(void)
{
struct stream* s;
int size;
int id;
int rv;
char* next_msg;
if (g_con_trans == 0)
{
return 1;
}
s = trans_get_in_s(g_con_trans);
if (s == 0)
{
return 1;
}
rv = 0;
while (s_check_rem(s, 8))
{
next_msg = s->p;
in_uint32_le(s, id);
in_uint32_le(s, size);
next_msg += size;
switch (id)
{
case 1: /* init */
rv = process_message_init(s);
break;
case 3: /* channel setup */
rv = process_message_channel_setup(s);
break;
case 5: /* channel data */
rv = process_message_channel_data(s);
break;
case 7: /* channel data response */
rv = process_message_channel_data_response(s);
break;
default:
log_message(&log_conf, LOG_LEVEL_DEBUG, "chansrv[process_message]: "
"unknown msg %d", id);
break;
}
if (rv != 0)
{
break;
}
s->p = next_msg;
}
return rv;
}
/* Process an licence issue packet */
static void
licence_process_issue(STREAM s)
{
void * crypt_key;
uint32 length;
uint16 check;
int i;
in_uint8s(s, 2); /* 3d 45 - unknown */
in_uint16_le(s, length);
if (!s_check_rem(s, length))
return;
crypt_key = ssl_rc4_info_create();
ssl_rc4_set_key(crypt_key, (char *)g_licence_key, 16);
ssl_rc4_crypt(crypt_key, (char *)s->p, (char *)s->p, length);
ssl_rc4_info_delete(crypt_key);
in_uint16(s, check);
if (check != 0)
return;
g_licence_issued = True;
in_uint8s(s, 2); /* pad */
/* advance to fourth string */
length = 0;
for (i = 0; i < 4; i++)
{
in_uint8s(s, length);
in_uint32_le(s, length);
if (!s_check_rem(s, length))
return;
}
g_licence_issued = True;
save_licence(s->p, length);
}
/* Process an licence issue packet */
static void
licence_process_issue(RDPCLIENT * This, STREAM s)
{
RC4_KEY crypt_key;
uint32 length;
uint16 check;
int i;
in_uint8s(s, 2); /* 3d 45 - unknown */
in_uint16_le(s, length);
if (!s_check_rem(s, length))
return;
RC4_set_key(&crypt_key, 16, This->licence.key);
RC4(&crypt_key, length, s->p, s->p);
in_uint16(s, check);
if (check != 0)
return;
This->licence_issued = True;
in_uint8s(s, 2); /* pad */
/* advance to fourth string */
length = 0;
for (i = 0; i < 4; i++)
{
in_uint8s(s, length);
in_uint32_le(s, length);
if (!s_check_rem(s, length))
return;
}
This->licence_issued = True;
save_licence(This, s->p, length);
}
/* Process an licence issue packet */
static void
licence_process_issue(RDConnectionRef conn, RDStreamRef s)
{
RC4_KEY crypt_key;
uint32 length;
uint16 check;
int i;
in_uint8s(s, 2); /* 3d 45 - unknown */
in_uint16_le(s, length);
if (!s_check_rem(s, length))
return;
RC4_set_key(&crypt_key, 16, conn->licenseKey);
RC4(&crypt_key, length, s->p, s->p);
in_uint16(s, check);
if (check != 0)
return;
conn->licenseIssued = True;
in_uint8s(s, 2); /* pad */
/* advance to fourth string */
length = 0;
for (i = 0; i < 4; i++)
{
in_uint8s(s, length);
in_uint32_le(s, length);
if (!s_check_rem(s, length))
return;
}
conn->licenseIssued = True;
save_licence(s->p, length);
}
/* returns error
process a message for the channel handler */
static int APP_CC
xrdp_mm_chan_process_msg(struct xrdp_mm* self, struct trans* trans,
struct stream* s)
{
int rv = 0;
int id = 0;
int size = 0;
char* next_msg = (char *)NULL;
rv = 0;
while (s_check_rem(s, 8))
{
next_msg = s->p;
in_uint32_le(s, id);
in_uint32_le(s, size);
next_msg += size;
switch (id)
{
case 2: /* channel init response */
rv = xrdp_mm_trans_process_init_response(self, trans);
break;
case 4: /* channel setup response */
break;
case 6: /* channel data response */
break;
case 8: /* channel data */
rv = xrdp_mm_trans_process_channel_data(self, trans);
break;
default:
g_writeln("xrdp_mm_chan_process_msg: unknown id %d", id);
break;
}
if (rv != 0)
{
break;
}
s->p = next_msg;
}
return rv;
}
/* Process an licence issue packet */
static void
licence_process_issue(STREAM s)
{
RC4_KEY crypt_key;
uint32 length;
uint16 check;
in_uint8s(s, 2); /* 3d 45 - unknown */
in_uint16_le(s, length);
if (!s_check_rem(s, length))
return;
RC4_set_key(&crypt_key, 16, licence_key);
RC4(&crypt_key, length, s->p, s->p);
in_uint16(s, check);
if (check != 0)
return;
licence_issued = True;
save_licence(s->p, length-2);
}
/* Establish a connection up to the ISO layer */
RD_BOOL
iso_connect(char *server, char *username, RD_BOOL reconnect, uint32 * selected_protocol)
{
STREAM s;
uint8 code;
g_negotiate_rdp_protocol = True;
retry:
*selected_protocol = PROTOCOL_RDP;
code = 0;
if (!tcp_connect(server))
return False;
if (reconnect)
{
iso_send_msg(ISO_PDU_CR);
}
else
{
iso_send_connection_request(username);
}
s = iso_recv_msg(&code, NULL);
if (s == NULL)
return False;
if (code != ISO_PDU_CC)
{
error("expected CC, got 0x%x\n", code);
tcp_disconnect();
return False;
}
if (g_rdp_version >= RDP_V5 && s_check_rem(s, 8))
{
/* handle RDP_NEG_REQ response */
const char *reason = NULL;
uint8 type = 0, flags = 0;
uint16 length = 0;
uint32 data = 0;
in_uint8(s, type);
in_uint8(s, flags);
in_uint16(s, length);
in_uint32(s, data);
if (type == RDP_NEG_FAILURE)
{
switch (data)
{
case SSL_REQUIRED_BY_SERVER:
reason = "SSL required by server";
break;
case SSL_WITH_USER_AUTH_REQUIRED_BY_SERVER:
reason = "SSL with user authentication required by server";
break;
case SSL_NOT_ALLOWED_BY_SERVER:
reason = "SSL not allowed by server";
break;
case SSL_CERT_NOT_ON_SERVER:
reason = "SSL certificated not on server";
break;
case INCONSISTENT_FLAGS:
reason = "inconsistent flags";
break;
case HYBRID_REQUIRED_BY_SERVER:
reason = "hybrid authentication (CredSSP) required by server";
break;
default:
reason = "unknown reason";
}
tcp_disconnect();
warning("RDP protocol negotiation failed with reason: %s (error 0x%x),\n",
reason, data);
warning("retrying without negotiation using plain RDP protocol.\n");
g_negotiate_rdp_protocol = False;
goto retry;
}
if (type != RDP_NEG_RSP)
{
tcp_disconnect();
error("expected RDP_NEG_RSP, got type = 0x%x\n", type);
warning("retrying without negotiation using plain RDP protocol.\n");
g_negotiate_rdp_protocol = False;
goto retry;
}
/* handle negotiation response */
if (data == PROTOCOL_SSL)
{
DEBUGMSG(1,(L"iso_connect: negotiation: PROTOCOL_SSL\n"));
if (!tcp_tls_connect())
{
tcp_disconnect();
DEBUGMSG(1,(L"iso_connect: negotiation: PROTOCOL_SSL FAILED\n"));
return False;
}
/* do not use encryption when using TLS */
g_encryption = False;
}
else if (data != PROTOCOL_RDP)
{
tcp_disconnect();
error("unexpected protocol in neqotiation response, got data = 0x%x.\n",
data);
return False;
}
*selected_protocol = data;
}
return True;
}
int APP_CC
xrdp_caps_process_confirm_active(struct xrdp_rdp *self, struct stream *s)
{
int cap_len;
int source_len;
int num_caps;
int index;
int type;
int len;
char *p;
DEBUG(("in xrdp_caps_process_confirm_active"));
in_uint8s(s, 4); /* rdp_shareid */
in_uint8s(s, 2); /* userid */
in_uint16_le(s, source_len); /* sizeof RDP_SOURCE */
in_uint16_le(s, cap_len);
in_uint8s(s, source_len);
in_uint16_le(s, num_caps);
in_uint8s(s, 2); /* pad */
if ((cap_len < 0) || (cap_len > 1024 * 1024))
{
return 1;
}
for (index = 0; index < num_caps; index++)
{
p = s->p;
if (!s_check_rem(s, 4))
{
g_writeln("xrdp_caps_process_confirm_active: error 1");
return 1;
}
in_uint16_le(s, type);
in_uint16_le(s, len);
if ((len < 4) || !s_check_rem(s, len - 4))
{
g_writeln("xrdp_caps_process_confirm_active: error: len %d, "
"remaining %d", len, (int) (s->end - s->p));
return 1;
}
len -= 4;
switch (type)
{
case RDP_CAPSET_GENERAL: /* 1 */
DEBUG(("RDP_CAPSET_GENERAL"));
xrdp_caps_process_general(self, s, len);
break;
case RDP_CAPSET_BITMAP: /* 2 */
DEBUG(("RDP_CAPSET_BITMAP"));
break;
case RDP_CAPSET_ORDER: /* 3 */
DEBUG(("RDP_CAPSET_ORDER"));
xrdp_caps_process_order(self, s, len);
break;
case RDP_CAPSET_BMPCACHE: /* 4 */
DEBUG(("RDP_CAPSET_BMPCACHE"));
xrdp_caps_process_bmpcache(self, s, len);
break;
case RDP_CAPSET_CONTROL: /* 5 */
DEBUG(("RDP_CAPSET_CONTROL"));
break;
case 6:
xrdp_caps_process_cache_v3_codec_id(self, s, len);
break;
case RDP_CAPSET_ACTIVATE: /* 7 */
DEBUG(("RDP_CAPSET_ACTIVATE"));
break;
case RDP_CAPSET_POINTER: /* 8 */
DEBUG(("RDP_CAPSET_POINTER"));
xrdp_caps_process_pointer(self, s, len);
break;
case RDP_CAPSET_SHARE: /* 9 */
DEBUG(("RDP_CAPSET_SHARE"));
break;
case RDP_CAPSET_COLCACHE: /* 10 */
DEBUG(("RDP_CAPSET_COLCACHE"));
break;
case 12: /* 12 */
DEBUG(("--12"));
break;
case 13: /* 13 */
xrdp_caps_process_input(self, s, len);
break;
case 14: /* 14 */
DEBUG(("--14"));
break;
case RDP_CAPSET_BRUSHCACHE: /* 15 */
xrdp_caps_process_brushcache(self, s, len);
break;
case 16: /* 16 */
DEBUG(("--16"));
break;
case 17: /* 17 */
DEBUG(("CAPSET_TYPE_OFFSCREEN_CACHE"));
xrdp_caps_process_offscreen_bmpcache(self, s, len);
break;
case RDP_CAPSET_BMPCACHE2: /* 19 */
DEBUG(("RDP_CAPSET_BMPCACHE2"));
xrdp_caps_process_bmpcache2(self, s, len);
break;
case 20: /* 20 */
DEBUG(("--20"));
break;
case 21: /* 21 */
DEBUG(("--21"));
break;
case 22: /* 22 */
DEBUG(("--22"));
break;
case 0x0017: /* 23 CAPSETTYPE_RAIL */
xrdp_caps_process_rail(self, s, len);
break;
case 0x0018: /* 24 CAPSETTYPE_WINDOW */
xrdp_caps_process_window(self, s, len);
break;
case 0x001A: /* 26 CAPSETTYPE_MULTIFRAGMENTUPDATE */
xrdp_caps_process_multifragmentupdate(self, s, len);
break;
case RDP_CAPSET_BMPCODECS: /* 0x1d(29) */
xrdp_caps_process_codecs(self, s, len);
break;
case 0x001E: /* CAPSSETTYPE_FRAME_ACKNOWLEDGE */
xrdp_caps_process_frame_ack(self, s, len);
break;
case RDP_CAPSET_SURFCMDS: /* CAPSETTYPE_SURFACE_COMMANDS */
xrdp_caps_process_surface_cmds(self, s, len);
break;
default:
g_writeln("unknown in xrdp_caps_process_confirm_active %d", type);
break;
}
s->p = p + len + 4;
}
if (self->client_info.no_orders_supported &&
(self->client_info.offscreen_support_level != 0))
{
g_writeln("xrdp_caps_process_confirm_active: not enough orders "
"supported by client, client wants off screen bitmap but "
"offscreen bitmaps disabled");
self->client_info.offscreen_support_level = 0;
self->client_info.offscreen_cache_size = 0;
self->client_info.offscreen_cache_entries = 0;
}
DEBUG(("out xrdp_caps_process_confirm_active"));
return 0;
}
/* returns error */
static int APP_CC
file_read_line(struct stream *s, char *text, int text_bytes)
{
int i;
int skip_to_end;
int at_end;
char c;
char *hold;
skip_to_end = 0;
if (!s_check_rem(s, 1))
{
return 1;
}
hold = s->p;
i = 0;
in_uint8(s, c);
while (c != 10 && c != 13)
{
/* these mean skip the rest of the line */
if (c == '#' || c == '!' || c == ';')
{
skip_to_end = 1;
}
if (!skip_to_end)
{
text[i] = c;
i++;
if (i >= text_bytes)
{
return 1;
}
}
if (s_check_rem(s, 1))
{
in_uint8(s, c);
}
else
{
c = 0;
break;
}
}
if (c == 10 || c == 13)
{
at_end = 0;
while (c == 10 || c == 13)
{
if (s_check_rem(s, 1))
{
in_uint8(s, c);
}
else
{
at_end = 1;
break;
}
}
if (!at_end)
{
s->p--;
}
}
text[i] = 0;
if (text[0] == '[')
{
s->p = hold;
return 1;
}
return 0;
}
static void
cliprdr_process(STREAM s)
{
uint16 type, status;
uint32 length, format;
uint8 *data;
struct stream packet = *s;
in_uint16_le(s, type);
in_uint16_le(s, status);
in_uint32_le(s, length);
data = s->p;
DEBUG_CLIPBOARD(("CLIPRDR recv: type=%d, status=%d, length=%d\n", type, status, length));
if (!s_check_rem(s, length))
{
rdp_protocol_error("cliprdr_process(), consume of packet from stream would overrun", &packet);
}
if (status == CLIPRDR_ERROR)
{
switch (type)
{
case CLIPRDR_FORMAT_ACK:
/* FIXME: We seem to get this when we send an announce while the server is
still processing a paste. Try sending another announce. */
cliprdr_send_native_format_announce(last_formats,
last_formats_length);
break;
case CLIPRDR_DATA_RESPONSE:
ui_clip_request_failed();
break;
default:
DEBUG_CLIPBOARD(("CLIPRDR error (type=%d)\n", type));
}
return;
}
switch (type)
{
case CLIPRDR_CONNECT:
ui_clip_sync();
break;
case CLIPRDR_FORMAT_ANNOUNCE:
ui_clip_format_announce(data, length);
cliprdr_send_packet(CLIPRDR_FORMAT_ACK, CLIPRDR_RESPONSE, NULL, 0);
return;
case CLIPRDR_FORMAT_ACK:
break;
case CLIPRDR_DATA_REQUEST:
in_uint32_le(s, format);
ui_clip_request_data(format);
break;
case CLIPRDR_DATA_RESPONSE:
ui_clip_handle_data(data, length);
break;
case 7: /* TODO: W2K3 SP1 sends this on connect with a value of 1 */
break;
default:
unimpl("CLIPRDR packet type %d\n", type);
}
}
void
rdpsnd_process_negotiate(STREAM in)
{
unsigned int in_format_count, i;
WAVEFORMATEX *format;
STREAM out;
BOOL device_available = False;
int readcnt;
int discardcnt;
in_uint8s(in, 14); /* flags, volume, pitch, UDP port */
in_uint16_le(in, in_format_count);
in_uint8s(in, 4); /* pad, status, pad */
if (wave_out_open())
{
wave_out_close();
device_available = True;
}
format_count = 0;
if (s_check_rem(in, 18 * in_format_count))
{
for (i = 0; i < in_format_count; i++)
{
format = &formats[format_count];
in_uint16_le(in, format->wFormatTag);
in_uint16_le(in, format->nChannels);
in_uint32_le(in, format->nSamplesPerSec);
in_uint32_le(in, format->nAvgBytesPerSec);
in_uint16_le(in, format->nBlockAlign);
in_uint16_le(in, format->wBitsPerSample);
in_uint16_le(in, format->cbSize);
/* read in the buffer of unknown use */
readcnt = format->cbSize;
discardcnt = 0;
if (format->cbSize > MAX_CBSIZE)
{
fprintf(stderr, "cbSize too large for buffer: %d\n",
format->cbSize);
readcnt = MAX_CBSIZE;
discardcnt = format->cbSize - MAX_CBSIZE;
}
in_uint8a(in, format->cb, readcnt);
in_uint8s(in, discardcnt);
if (device_available && wave_out_format_supported(format))
{
format_count++;
if (format_count == MAX_FORMATS)
break;
}
}
}
out = rdpsnd_init_packet(RDPSND_NEGOTIATE | 0x200, 20 + 18 * format_count);
out_uint32_le(out, 3); /* flags */
out_uint32(out, 0xffffffff); /* volume */
out_uint32(out, 0); /* pitch */
out_uint16(out, 0); /* UDP port */
out_uint16_le(out, format_count);
out_uint8(out, 0x95); /* pad? */
out_uint16_le(out, 2); /* status */
out_uint8(out, 0x77); /* pad? */
for (i = 0; i < format_count; i++)
{
format = &formats[i];
out_uint16_le(out, format->wFormatTag);
out_uint16_le(out, format->nChannels);
out_uint32_le(out, format->nSamplesPerSec);
out_uint32_le(out, format->nAvgBytesPerSec);
out_uint16_le(out, format->nBlockAlign);
out_uint16_le(out, format->wBitsPerSample);
out_uint16(out, 0); /* cbSize */
}
s_mark_end(out);
rdpsnd_send(out);
}
/* return error */
static int APP_CC
l_file_read_section(int fd, int max_file_size, const char *section,
struct list *names, struct list *values)
{
struct stream *s;
char *data;
char *text;
char *name;
char *value;
char *lvalue;
char c;
int in_it;
int in_it_index;
int len;
int index;
int file_size;
data = (char *) g_malloc(FILE_MAX_LINE_BYTES * 3, 0);
text = data;
name = text + FILE_MAX_LINE_BYTES;
value = name + FILE_MAX_LINE_BYTES;
file_size = 32 * 1024; /* 32 K file size limit */
g_file_seek(fd, 0);
in_it_index = 0;
in_it = 0;
g_memset(text, 0, FILE_MAX_LINE_BYTES);
list_clear(names);
list_clear(values);
make_stream(s);
init_stream(s, file_size);
len = g_file_read(fd, s->data, file_size);
if (len > 0)
{
s->end = s->p + len;
for (index = 0; index < len; index++)
{
if (!s_check_rem(s, 1))
{
break;
}
in_uint8(s, c);
if ((c == '#') || (c == ';'))
{
if (file_read_line(s, text, FILE_MAX_LINE_BYTES) != 0)
{
break;
}
in_it = 0;
in_it_index = 0;
g_memset(text, 0, FILE_MAX_LINE_BYTES);
continue;
}
if (c == '[')
{
in_it = 1;
}
else if (c == ']')
{
if (g_strcasecmp(section, text) == 0)
{
file_read_line(s, text, FILE_MAX_LINE_BYTES);
while (file_read_line(s, text, FILE_MAX_LINE_BYTES) == 0)
{
if (g_strlen(text) > 0)
{
file_split_name_value(text, name, value);
list_add_item(names, (tbus)g_strdup(name));
if (value[0] == '$')
{
lvalue = g_getenv(value + 1);
if (lvalue != 0)
{
list_add_item(values, (tbus)g_strdup(lvalue));
}
else
{
list_add_item(values, (tbus)g_strdup(""));
}
}
else
{
list_add_item(values, (tbus)g_strdup(value));
}
}
}
free_stream(s);
g_free(data);
return 0;
}
in_it = 0;
in_it_index = 0;
g_memset(text, 0, FILE_MAX_LINE_BYTES);
}
else if (in_it)
{
text[in_it_index] = c;
in_it_index++;
if (in_it_index >= FILE_MAX_LINE_BYTES)
{
break;
}
}
}
}
free_stream(s);
g_free(data);
return 1;
}
static void
rdpsnd_process_negotiate(STREAM in)
{
uint16 in_format_count, i;
uint8 pad;
uint16 version;
RD_WAVEFORMATEX *format;
STREAM out;
RD_BOOL device_available = False;
int readcnt;
int discardcnt;
in_uint8s(in, 14); /* initial bytes not valid from server */
in_uint16_le(in, in_format_count);
in_uint8(in, pad);
in_uint16_le(in, version);
in_uint8s(in, 1); /* padding */
DEBUG_SOUND(("RDPSND: RDPSND_NEGOTIATE(formats: %d, pad: 0x%02x, version: %x)\n",
(int) in_format_count, (unsigned) pad, (unsigned) version));
if (rdpsnd_negotiated)
{
error("RDPSND: Extra RDPSND_NEGOTIATE in the middle of a session\n");
/* Do a complete reset of the sound state */
rdpsnd_reset_state();
}
if (!current_driver && g_rdpsnd)
device_available = rdpsnd_auto_select();
if (current_driver && !device_available && current_driver->wave_out_open())
{
current_driver->wave_out_close();
device_available = True;
}
format_count = 0;
if (s_check_rem(in, 18 * in_format_count))
{
for (i = 0; i < in_format_count; i++)
{
format = &formats[format_count];
in_uint16_le(in, format->wFormatTag);
in_uint16_le(in, format->nChannels);
in_uint32_le(in, format->nSamplesPerSec);
in_uint32_le(in, format->nAvgBytesPerSec);
in_uint16_le(in, format->nBlockAlign);
in_uint16_le(in, format->wBitsPerSample);
in_uint16_le(in, format->cbSize);
/* read in the buffer of unknown use */
readcnt = format->cbSize;
discardcnt = 0;
if (format->cbSize > MAX_CBSIZE)
{
fprintf(stderr, "cbSize too large for buffer: %d\n",
format->cbSize);
readcnt = MAX_CBSIZE;
discardcnt = format->cbSize - MAX_CBSIZE;
}
in_uint8a(in, format->cb, readcnt);
in_uint8s(in, discardcnt);
if (current_driver && current_driver->wave_out_format_supported(format))
{
format_count++;
if (format_count == MAX_FORMATS)
break;
}
}
}
out = rdpsnd_init_packet(RDPSND_NEGOTIATE | 0x200, 20 + 18 * format_count);
uint32 flags = TSSNDCAPS_VOLUME;
/* if sound is enabled, set snd caps to alive to enable
transmision of audio from server */
if (g_rdpsnd)
{
flags |= TSSNDCAPS_ALIVE;
}
out_uint32_le(out, flags); /* TSSNDCAPS flags */
out_uint32(out, 0xffffffff); /* volume */
out_uint32(out, 0); /* pitch */
out_uint16(out, 0); /* UDP port */
out_uint16_le(out, format_count);
out_uint8(out, 0); /* padding */
out_uint16_le(out, 2); /* version */
out_uint8(out, 0); /* padding */
for (i = 0; i < format_count; i++)
{
format = &formats[i];
out_uint16_le(out, format->wFormatTag);
out_uint16_le(out, format->nChannels);
out_uint32_le(out, format->nSamplesPerSec);
out_uint32_le(out, format->nAvgBytesPerSec);
out_uint16_le(out, format->nBlockAlign);
out_uint16_le(out, format->wBitsPerSample);
out_uint16(out, 0); /* cbSize */
}
s_mark_end(out);
DEBUG_SOUND(("RDPSND: -> RDPSND_NEGOTIATE(formats: %d)\n", (int) format_count));
rdpsnd_send(out);
rdpsnd_negotiated = True;
}
static void rdpsnd_process_rec_negotiate(STREAM in) {
uint16 in_format_count, i;
uint16 version;
RD_WAVEFORMATEX *format;
STREAM out;
RD_BOOL device_available = False;
int readcnt;
int discardcnt;
in_uint8s(in, 8);
/* initial bytes not valid from server */
in_uint16_le(in, in_format_count);
in_uint16_le(in, version);
DEBUG_SOUND(("RDPSND: RDPSND_REC_NEGOTIATE(formats: %d, version: %x)\n",
(int) in_format_count, (unsigned) version));
if (rdpsnd_rec_negotiated) {
error(
"RDPSND: Extra RDPSND_REC_NEGOTIATE in the middle of a session\n");
/* Do a complete reset of the sound state */
rdpsnd_reset_state();
}
if (!current_driver)
device_available = rdpsnd_auto_select();
if (current_driver && !device_available && current_driver->wave_in_open
&& current_driver->wave_in_open()) {
current_driver->wave_in_close();
device_available = True;
}
rec_format_count = 0;
if (s_check_rem(in, 18 * in_format_count)) {
for (i = 0; i < in_format_count; i++) {
format = &rec_formats[rec_format_count];
in_uint16_le(in, format->wFormatTag);
in_uint16_le(in, format->nChannels);
in_uint32_le(in, format->nSamplesPerSec);
in_uint32_le(in, format->nAvgBytesPerSec);
in_uint16_le(in, format->nBlockAlign);
in_uint16_le(in, format->wBitsPerSample);
in_uint16_le(in, format->cbSize);
/* read in the buffer of unknown use */
readcnt = format->cbSize;
discardcnt = 0;
if (format->cbSize > MAX_CBSIZE)
{
fprintf(stderr, "cbSize too large for buffer: %d\n",
format->cbSize);
readcnt = MAX_CBSIZE;
discardcnt = format->cbSize - MAX_CBSIZE;
}in_uint8a(in, format->cb, readcnt);
in_uint8s(in, discardcnt);
if (current_driver && current_driver->wave_in_format_supported
&& current_driver->wave_in_format_supported(format)) {
rec_format_count++;
if (rec_format_count == MAX_FORMATS
)
break;
}
}
}
out = rdpsnd_init_packet(RDPSND_REC_NEGOTIATE, 12 + 18 * rec_format_count);
out_uint32_le(out, 0x00000000);
/* flags */
out_uint32_le(out, 0xffffffff);
/* volume */
out_uint16_le(out, rec_format_count);
out_uint16_le(out, 1);
/* version */
for (i = 0; i < rec_format_count; i++) {
format = &rec_formats[i];
out_uint16_le(out, format->wFormatTag);
out_uint16_le(out, format->nChannels);
out_uint32_le(out, format->nSamplesPerSec);
out_uint32_le(out, format->nAvgBytesPerSec);
out_uint16_le(out, format->nBlockAlign);
out_uint16_le(out, format->wBitsPerSample);
out_uint16(out, 0);
/* cbSize */
}
s_mark_end(out);
DEBUG_SOUND(("RDPSND: -> RDPSND_REC_NEGOTIATE(formats: %d)\n", (int) rec_format_count));
rdpsnd_send(out);
rdpsnd_rec_negotiated = True;
}
enum SCP_SERVER_STATES_E
scp_v0s_accept(struct SCP_CONNECTION *c, struct SCP_SESSION **s, int skipVchk)
{
tui32 version = 0;
tui32 size;
struct SCP_SESSION *session = 0;
tui16 sz;
tui32 code = 0;
char buf[257];
if (!skipVchk)
{
LOG_DBG("[v0:%d] starting connection", __LINE__);
if (0 == scp_tcp_force_recv(c->in_sck, c->in_s->data, 8))
{
c->in_s->end = c->in_s->data + 8;
in_uint32_be(c->in_s, version);
if (version != 0)
{
log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: version error", __LINE__);
return SCP_SERVER_STATE_VERSION_ERR;
}
}
else
{
log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__);
return SCP_SERVER_STATE_NETWORK_ERR;
}
}
in_uint32_be(c->in_s, size);
init_stream(c->in_s, 8196);
if (0 != scp_tcp_force_recv(c->in_sck, c->in_s->data, size - 8))
{
log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__);
return SCP_SERVER_STATE_NETWORK_ERR;
}
c->in_s->end = c->in_s->data + (size - 8);
in_uint16_be(c->in_s, code);
if (code == 0 || code == 10 || code == 20)
{
session = scp_session_create();
if (0 == session)
{
log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__);
return SCP_SERVER_STATE_INTERNAL_ERR;
}
scp_session_set_version(session, version);
if (code == 0)
{
scp_session_set_type(session, SCP_SESSION_TYPE_XVNC);
}
else if (code == 10)
{
scp_session_set_type(session, SCP_SESSION_TYPE_XRDP);
}
else if (code == 20)
{
scp_session_set_type(session, SCP_SESSION_TYPE_XORG);
}
/* reading username */
in_uint16_be(c->in_s, sz);
buf[sz] = '\0';
in_uint8a(c->in_s, buf, sz);
if (0 != scp_session_set_username(session, buf))
{
scp_session_destroy(session);
log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting username", __LINE__);
return SCP_SERVER_STATE_INTERNAL_ERR;
}
/* reading password */
in_uint16_be(c->in_s, sz);
buf[sz] = '\0';
in_uint8a(c->in_s, buf, sz);
if (0 != scp_session_set_password(session, buf))
{
scp_session_destroy(session);
log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting password", __LINE__);
return SCP_SERVER_STATE_INTERNAL_ERR;
}
/* width */
in_uint16_be(c->in_s, sz);
scp_session_set_width(session, sz);
/* height */
in_uint16_be(c->in_s, sz);
scp_session_set_height(session, sz);
/* bpp */
in_uint16_be(c->in_s, sz);
scp_session_set_bpp(session, (tui8)sz);
if (s_check_rem(c->in_s, 2))
{
/* reading domain */
in_uint16_be(c->in_s, sz);
if (sz > 0)
{
in_uint8a(c->in_s, buf, sz);
buf[sz] = '\0';
scp_session_set_domain(session, buf);
}
}
if (s_check_rem(c->in_s, 2))
{
/* reading program */
in_uint16_be(c->in_s, sz);
if (sz > 0)
{
in_uint8a(c->in_s, buf, sz);
buf[sz] = '\0';
scp_session_set_program(session, buf);
}
}
if (s_check_rem(c->in_s, 2))
{
/* reading directory */
in_uint16_be(c->in_s, sz);
if (sz > 0)
{
in_uint8a(c->in_s, buf, sz);
buf[sz] = '\0';
scp_session_set_directory(session, buf);
}
}
if (s_check_rem(c->in_s, 2))
{
/* reading client IP address */
in_uint16_be(c->in_s, sz);
if (sz > 0)
{
in_uint8a(c->in_s, buf, sz);
buf[sz] = '\0';
scp_session_set_client_ip(session, buf);
}
}
}
else if (code == SCP_GW_AUTHENTICATION)
{
/* g_writeln("Command is SCP_GW_AUTHENTICATION"); */
session = scp_session_create();
if (0 == session)
{
/* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__);*/
return SCP_SERVER_STATE_INTERNAL_ERR;
}
scp_session_set_version(session, version);
scp_session_set_type(session, SCP_GW_AUTHENTICATION);
/* reading username */
in_uint16_be(c->in_s, sz);
buf[sz] = '\0';
in_uint8a(c->in_s, buf, sz);
/* g_writeln("Received user name: %s",buf); */
if (0 != scp_session_set_username(session, buf))
{
scp_session_destroy(session);
/* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting username", __LINE__);*/
return SCP_SERVER_STATE_INTERNAL_ERR;
}
/* reading password */
in_uint16_be(c->in_s, sz);
buf[sz] = '\0';
in_uint8a(c->in_s, buf, sz);
/* g_writeln("Received password: %s",buf); */
if (0 != scp_session_set_password(session, buf))
{
scp_session_destroy(session);
/* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting password", __LINE__); */
return SCP_SERVER_STATE_INTERNAL_ERR;
}
}
else
{
log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: sequence error", __LINE__);
return SCP_SERVER_STATE_SEQUENCE_ERR;
}
(*s) = session;
return SCP_SERVER_STATE_OK;
}
/* return error */
static int l_file_read_section(int fd, int max_file_size, const char *section, xrdpList *names, xrdpList *values)
{
struct stream *s;
char text[512];
char name[512];
char value[512];
char *lvalue;
char c;
int in_it;
int in_it_index;
int len;
int index;
int file_size;
file_size = 32 * 1024; /* 32 K file size limit */
g_file_seek(fd, 0);
in_it_index = 0;
in_it = 0;
g_memset(text, 0, 512);
list_clear(names);
list_clear(values);
make_stream(s);
init_stream(s, file_size);
len = g_file_read(fd, s->data, file_size);
if (len > 0)
{
s->end = s->p + len;
for (index = 0; index < len; index++)
{
if (!s_check_rem(s, 1))
{
break;
}
in_uint8(s, c);
if ((c == '#') || (c == ';'))
{
file_read_line(s, text);
in_it = 0;
in_it_index = 0;
g_memset(text, 0, 512);
continue;
}
if (c == '[')
{
in_it = 1;
}
else if (c == ']')
{
if (g_strcasecmp(section, text) == 0)
{
file_read_line(s, text);
while (file_read_line(s, text) == 0)
{
if (g_strlen(text) > 0)
{
file_split_name_value(text, name, value);
list_add_item(names, (tbus) g_strdup(name));
if (value[0] == '$')
{
lvalue = g_getenv(value + 1);
if (lvalue != 0)
{
list_add_item(values, (tbus) g_strdup(lvalue));
}
else
{
list_add_item(values, (tbus) g_strdup(""));
}
}
else
{
list_add_item(values, (tbus) g_strdup(value));
}
}
}
free_stream(s);
return 0;
}
in_it = 0;
in_it_index = 0;
g_memset(text, 0, 512);
}
else if (in_it)
{
text[in_it_index] = c;
in_it_index++;
}
}
}
free_stream(s);
return 1;
}
/* Establish a connection up to the ISO layer */
RD_BOOL
iso_connect(char *server, char *username, char *domain, char *password,
RD_BOOL reconnect, uint32 * selected_protocol)
{
STREAM s;
uint8 code;
uint32 neg_proto;
g_negotiate_rdp_protocol = True;
neg_proto = PROTOCOL_SSL;
#ifdef WITH_CREDSSP
if (!g_use_password_as_pin)
neg_proto |= PROTOCOL_HYBRID;
else if (g_sc_csp_name || g_sc_reader_name || g_sc_card_name || g_sc_container_name)
neg_proto |= PROTOCOL_HYBRID;
else
warning("Disables CredSSP due to missing smartcard information for SSO.\n");
#endif
retry:
*selected_protocol = PROTOCOL_RDP;
code = 0;
if (!tcp_connect(server))
return False;
iso_send_connection_request(username, neg_proto);
s = iso_recv_msg(&code, NULL);
if (s == NULL)
return False;
if (code != ISO_PDU_CC)
{
error("expected CC, got 0x%x\n", code);
tcp_disconnect();
return False;
}
if (g_rdp_version >= RDP_V5 && s_check_rem(s, 8))
{
/* handle RDP_NEG_REQ response */
const char *reason = NULL;
uint8 type = 0, flags = 0;
uint16 length = 0;
uint32 data = 0;
in_uint8(s, type);
in_uint8(s, flags);
in_uint16(s, length);
in_uint32(s, data);
if (type == RDP_NEG_FAILURE)
{
RD_BOOL retry_without_neg = False;
switch (data)
{
case SSL_WITH_USER_AUTH_REQUIRED_BY_SERVER:
reason = "SSL with user authentication required by server";
break;
case SSL_NOT_ALLOWED_BY_SERVER:
reason = "SSL not allowed by server";
retry_without_neg = True;
break;
case SSL_CERT_NOT_ON_SERVER:
reason = "no valid authentication certificate on server";
retry_without_neg = True;
break;
case INCONSISTENT_FLAGS:
reason = "inconsistent negotiation flags";
break;
case SSL_REQUIRED_BY_SERVER:
reason = "SSL required by server";
break;
case HYBRID_REQUIRED_BY_SERVER:
reason = "CredSSP required by server";
break;
default:
reason = "unknown reason";
}
tcp_disconnect();
if (retry_without_neg)
{
fprintf(stderr,
"Failed to negotiate protocol, retrying with plain RDP.\n");
g_negotiate_rdp_protocol = False;
goto retry;
}
fprintf(stderr, "Failed to connect, %s.\n", reason);
return False;
}
if (type != RDP_NEG_RSP)
{
tcp_disconnect();
error("Expected RDP_NEG_RSP, got type = 0x%x\n", type);
return False;
}
/* handle negotiation response */
if (data == PROTOCOL_SSL)
{
if (!tcp_tls_connect())
{
/* failed to connect using cssp, let retry with plain TLS */
tcp_disconnect();
neg_proto = PROTOCOL_RDP;
goto retry;
}
/* do not use encryption when using TLS */
g_encryption = False;
fprintf(stderr, "Connection established using SSL.\n");
}
#ifdef WITH_CREDSSP
else if (data == PROTOCOL_HYBRID)
{
if (!cssp_connect(server, username, domain, password, s))
{
/* failed to connect using cssp, let retry with plain TLS */
tcp_disconnect();
neg_proto = PROTOCOL_SSL;
goto retry;
}
/* do not use encryption when using TLS */
fprintf(stderr, "Connection established using CredSSP.\n");
g_encryption = False;
}
#endif
else if (data == PROTOCOL_RDP)
{
fprintf(stderr, "Connection established using plain RDP.\n");
}
else if (data != PROTOCOL_RDP)
{
tcp_disconnect();
error("Unexpected protocol in negotiation response, got data = 0x%x.\n",
data);
return False;
}
*selected_protocol = data;
}
return True;
}
static int file_read_line(struct stream *s, char *text)
{
int i;
int skip_to_end;
int at_end;
char c;
char *hold;
skip_to_end = 0;
if (!s_check_rem(s, 1))
{
return 1;
}
hold = s->p;
i = 0;
in_uint8(s, c);
while (c != 10 && c != 13)
{
if (c == '#' || c == '!' || c == ';')
{
skip_to_end = 1;
}
if (!skip_to_end)
{
text[i] = c;
i++;
}
if (s_check_rem(s, 1))
{
in_uint8(s, c);
}
else
{
c = 0;
break;
}
}
if (c == 10 || c == 13)
{
at_end = 0;
while (c == 10 || c == 13)
{
if (s_check_rem(s, 1))
{
in_uint8(s, c);
}
else
{
at_end = 1;
break;
}
}
if (!at_end)
{
s->p--;
}
}
text[i] = 0;
if (text[0] == '[')
{
s->p = hold;
return 1;
}
return 0;
}
int
xrdp_caps_process_confirm_active(struct xrdp_rdp *self, struct stream *s)
{
int cap_len;
int source_len;
int num_caps;
int index;
int type;
int len;
char *p;
DEBUG(("in xrdp_caps_process_confirm_active"));
in_uint8s(s, 4); /* rdp_shareid */
in_uint8s(s, 2); /* userid */
in_uint16_le(s, source_len); /* sizeof RDP_SOURCE */
in_uint16_le(s, cap_len);
in_uint8s(s, source_len);
in_uint16_le(s, num_caps);
in_uint8s(s, 2); /* pad */
if ((cap_len < 0) || (cap_len > 1024 * 1024))
{
return 1;
}
for (index = 0; index < num_caps; index++)
{
p = s->p;
if (!s_check_rem(s, 4))
{
g_writeln("xrdp_caps_process_confirm_active: error 1");
return 1;
}
in_uint16_le(s, type);
in_uint16_le(s, len);
if ((len < 4) || !s_check_rem(s, len - 4))
{
g_writeln("xrdp_caps_process_confirm_active: error: len %d, "
"remaining %d", len, (int) (s->end - s->p));
return 1;
}
len -= 4;
switch (type)
{
case CAPSTYPE_GENERAL:
DEBUG(("CAPSTYPE_GENERAL"));
xrdp_caps_process_general(self, s, len);
break;
case CAPSTYPE_BITMAP:
DEBUG(("CAPSTYPE_BITMAP"));
break;
case CAPSTYPE_ORDER:
DEBUG(("CAPSTYPE_ORDER"));
xrdp_caps_process_order(self, s, len);
break;
case CAPSTYPE_BITMAPCACHE:
DEBUG(("CAPSTYPE_BMPCACHE"));
xrdp_caps_process_bmpcache(self, s, len);
break;
case CAPSTYPE_CONTROL:
DEBUG(("CAPSTYPE_CONTROL"));
break;
case 6:
xrdp_caps_process_cache_v3_codec_id(self, s, len);
break;
case CAPSTYPE_ACTIVATION:
DEBUG(("CAPSTYPE_ACTIVAION"));
break;
case CAPSTYPE_POINTER:
DEBUG(("CAPSTYPE_POINTER"));
xrdp_caps_process_pointer(self, s, len);
break;
case CAPSTYPE_SHARE:
DEBUG(("CAPSTYPE_SHARE"));
break;
case CAPSTYPE_COLORCACHE:
DEBUG(("CAPSTYPE_COLORCACHE"));
break;
case CAPSTYPE_SOUND:
DEBUG(("CAPSTYPE_SOUND"));
break;
case CAPSTYPE_INPUT:
xrdp_caps_process_input(self, s, len);
break;
case CAPSTYPE_FONT:
DEBUG(("CAPSTYPE_FONT"));
break;
case CAPSTYPE_BRUSH:
xrdp_caps_process_brushcache(self, s, len);
break;
case CAPSTYPE_GLYPHCACHE:
DEBUG(("CAPSTYPE_GLYPHCACHE"));
xrdp_caps_process_glyphcache(self, s, len);
break;
case CAPSTYPE_OFFSCREENCACHE:
DEBUG(("CAPSTYPE_OFFSCREENCACHE"));
xrdp_caps_process_offscreen_bmpcache(self, s, len);
break;
case CAPSTYPE_BITMAPCACHE_REV2:
DEBUG(("CAPSTYPE_BITMAPCACHE_REV2"));
xrdp_caps_process_bmpcache2(self, s, len);
break;
case CAPSTYPE_VIRTUALCHANNEL:
DEBUG(("CAPSTYPE_VIRTUALCHANNEL"));
break;
case CAPSTYPE_DRAWNINGRIDCACHE:
DEBUG(("CAPSTYPE_DRAWNINGRIDCACHE"));
break;
case CAPSTYPE_DRAWGDIPLUS:
DEBUG(("CAPSTYPE_DRAWGDIPLUS"));
break;
case CAPSTYPE_RAIL:
xrdp_caps_process_rail(self, s, len);
break;
case CAPSTYPE_WINDOW:
xrdp_caps_process_window(self, s, len);
break;
case CAPSSETTYPE_MULTIFRAGMENTUPDATE:
xrdp_caps_process_multifragmentupdate(self, s, len);
break;
case CAPSETTYPE_SURFACE_COMMANDS:
xrdp_caps_process_surface_cmds(self, s, len);
break;
case CAPSSETTYPE_BITMAP_CODECS:
xrdp_caps_process_codecs(self, s, len);
break;
case CAPSTYPE_FRAME_ACKNOWLEDGE:
xrdp_caps_process_frame_ack(self, s, len);
break;
default:
g_writeln("unknown in xrdp_caps_process_confirm_active %d", type);
break;
}
s->p = p + len + 4;
}
if (self->client_info.no_orders_supported &&
(self->client_info.offscreen_support_level != 0))
{
g_writeln("xrdp_caps_process_confirm_active: not enough orders "
"supported by client, client wants off screen bitmap but "
"offscreen bitmaps disabled");
self->client_info.offscreen_support_level = 0;
self->client_info.offscreen_cache_size = 0;
self->client_info.offscreen_cache_entries = 0;
}
DEBUG(("out xrdp_caps_process_confirm_active"));
return 0;
}