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-rw-r--r--uirdesktop/iso.c231
-rw-r--r--uirdesktop/mcs.c469
-rw-r--r--uirdesktop/parse.h95
-rw-r--r--uirdesktop/secure.c981
-rw-r--r--uirdesktop/tcp.c278
-rw-r--r--uirdesktop/types.h268
6 files changed, 2322 insertions, 0 deletions
diff --git a/uirdesktop/iso.c b/uirdesktop/iso.c
new file mode 100644
index 00000000..163946df
--- /dev/null
+++ b/uirdesktop/iso.c
@@ -0,0 +1,231 @@
+/* -*- c-basic-offset: 8 -*-
+ rdesktop: A Remote Desktop Protocol client.
+ Protocol services - ISO layer
+ Copyright (C) Matthew Chapman 1999-2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "rdesktop.h"
+
+/* Send a self-contained ISO PDU */
+static void
+iso_send_msg(uint8 code)
+{
+ STREAM s;
+
+ s = tcp_init(11);
+
+ out_uint8(s, 3); /* version */
+ out_uint8(s, 0); /* reserved */
+ out_uint16_be(s, 11); /* length */
+
+ out_uint8(s, 6); /* hdrlen */
+ out_uint8(s, code);
+ out_uint16(s, 0); /* dst_ref */
+ out_uint16(s, 0); /* src_ref */
+ out_uint8(s, 0); /* class */
+
+ s_mark_end(s);
+ tcp_send(s);
+}
+
+static void
+iso_send_connection_request(char *username)
+{
+ STREAM s;
+ int length = 30 + strlen(username);
+
+ s = tcp_init(length);
+
+ out_uint8(s, 3); /* version */
+ out_uint8(s, 0); /* reserved */
+ out_uint16_be(s, length); /* length */
+
+ out_uint8(s, length - 5); /* hdrlen */
+ out_uint8(s, ISO_PDU_CR);
+ out_uint16(s, 0); /* dst_ref */
+ out_uint16(s, 0); /* src_ref */
+ out_uint8(s, 0); /* class */
+
+ out_uint8p(s, "Cookie: mstshash=", strlen("Cookie: mstshash="));
+ out_uint8p(s, username, strlen(username));
+
+ out_uint8(s, 0x0d); /* Unknown */
+ out_uint8(s, 0x0a); /* Unknown */
+
+ s_mark_end(s);
+ tcp_send(s);
+}
+
+/* Receive a message on the ISO layer, return code */
+static STREAM
+iso_recv_msg(uint8 * code, uint8 * rdpver)
+{
+ STREAM s;
+ uint16 length;
+ uint8 version;
+
+ s = tcp_recv(NULL, 4);
+ if (s == NULL)
+ return NULL;
+ in_uint8(s, version);
+ if (rdpver != NULL)
+ *rdpver = version;
+ if (version == 3)
+ {
+ in_uint8s(s, 1); /* pad */
+ in_uint16_be(s, length);
+ }
+ else
+ {
+ in_uint8(s, length);
+ if (length & 0x80)
+ {
+ length &= ~0x80;
+ next_be(s, length);
+ }
+ }
+ s = tcp_recv(s, length - 4);
+ if (s == NULL)
+ return NULL;
+ if (version != 3)
+ return s;
+ in_uint8s(s, 1); /* hdrlen */
+ in_uint8(s, *code);
+ if (*code == ISO_PDU_DT)
+ {
+ in_uint8s(s, 1); /* eot */
+ return s;
+ }
+ in_uint8s(s, 5); /* dst_ref, src_ref, class */
+ return s;
+}
+
+/* Initialise ISO transport data packet */
+STREAM
+iso_init(int length)
+{
+ STREAM s;
+
+ s = tcp_init(length + 7);
+ s_push_layer(s, iso_hdr, 7);
+
+ return s;
+}
+
+/* Send an ISO data PDU */
+void
+iso_send(STREAM s)
+{
+ uint16 length;
+
+ s_pop_layer(s, iso_hdr);
+ length = s->end - s->p;
+
+ out_uint8(s, 3); /* version */
+ out_uint8(s, 0); /* reserved */
+ out_uint16_be(s, length);
+
+ out_uint8(s, 2); /* hdrlen */
+ out_uint8(s, ISO_PDU_DT); /* code */
+ out_uint8(s, 0x80); /* eot */
+
+ tcp_send(s);
+}
+
+/* Receive ISO transport data packet */
+STREAM
+iso_recv(uint8 * rdpver)
+{
+ STREAM s;
+ uint8 code = 0;
+
+ s = iso_recv_msg(&code, rdpver);
+ if (s == NULL)
+ return NULL;
+ if (rdpver != NULL)
+ if (*rdpver != 3)
+ return s;
+ if (code != ISO_PDU_DT)
+ {
+ error("expected DT, got 0x%x\n", code);
+ return NULL;
+ }
+ return s;
+}
+
+/* Establish a connection up to the ISO layer */
+BOOL
+iso_connect(char *server, char *username)
+{
+ uint8 code = 0;
+
+ if (!tcp_connect(server))
+ return False;
+
+ iso_send_connection_request(username);
+
+ if (iso_recv_msg(&code, NULL) == NULL)
+ return False;
+
+ if (code != ISO_PDU_CC)
+ {
+ error("expected CC, got 0x%x\n", code);
+ tcp_disconnect();
+ return False;
+ }
+
+ return True;
+}
+
+/* Establish a reconnection up to the ISO layer */
+BOOL
+iso_reconnect(char *server)
+{
+ uint8 code = 0;
+
+ if (!tcp_connect(server))
+ return False;
+
+ iso_send_msg(ISO_PDU_CR);
+
+ if (iso_recv_msg(&code, NULL) == NULL)
+ return False;
+
+ if (code != ISO_PDU_CC)
+ {
+ error("expected CC, got 0x%x\n", code);
+ tcp_disconnect();
+ return False;
+ }
+
+ return True;
+}
+
+/* Disconnect from the ISO layer */
+void
+iso_disconnect(void)
+{
+ iso_send_msg(ISO_PDU_DR);
+ tcp_disconnect();
+}
+
+/* reset the state to support reconnecting */
+void
+iso_reset_state(void)
+{
+ tcp_reset_state();
+}
diff --git a/uirdesktop/mcs.c b/uirdesktop/mcs.c
new file mode 100644
index 00000000..f6468307
--- /dev/null
+++ b/uirdesktop/mcs.c
@@ -0,0 +1,469 @@
+/* -*- c-basic-offset: 8 -*-
+ rdesktop: A Remote Desktop Protocol client.
+ Protocol services - Multipoint Communications Service
+ Copyright (C) Matthew Chapman 1999-2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "rdesktop.h"
+
+uint16 g_mcs_userid;
+extern VCHANNEL g_channels[];
+extern unsigned int g_num_channels;
+
+/* Parse an ASN.1 BER header */
+static BOOL
+ber_parse_header(STREAM s, int tagval, int *length)
+{
+ int tag, len;
+
+ if (tagval > 0xff)
+ {
+ in_uint16_be(s, tag);
+ }
+ else
+ {
+ in_uint8(s, tag)}
+
+ if (tag != tagval)
+ {
+ error("expected tag %d, got %d\n", tagval, tag);
+ return False;
+ }
+
+ in_uint8(s, len);
+
+ if (len & 0x80)
+ {
+ len &= ~0x80;
+ *length = 0;
+ while (len--)
+ next_be(s, *length);
+ }
+ else
+ *length = len;
+
+ return s_check(s);
+}
+
+/* Output an ASN.1 BER header */
+static void
+ber_out_header(STREAM s, int tagval, int length)
+{
+ if (tagval > 0xff)
+ {
+ out_uint16_be(s, tagval);
+ }
+ else
+ {
+ out_uint8(s, tagval);
+ }
+
+ if (length >= 0x80)
+ {
+ out_uint8(s, 0x82);
+ out_uint16_be(s, length);
+ }
+ else
+ out_uint8(s, length);
+}
+
+/* Output an ASN.1 BER integer */
+static void
+ber_out_integer(STREAM s, int value)
+{
+ ber_out_header(s, BER_TAG_INTEGER, 2);
+ out_uint16_be(s, value);
+}
+
+/* Output a DOMAIN_PARAMS structure (ASN.1 BER) */
+static void
+mcs_out_domain_params(STREAM s, int max_channels, int max_users, int max_tokens, int max_pdusize)
+{
+ ber_out_header(s, MCS_TAG_DOMAIN_PARAMS, 32);
+ ber_out_integer(s, max_channels);
+ ber_out_integer(s, max_users);
+ ber_out_integer(s, max_tokens);
+ ber_out_integer(s, 1); /* num_priorities */
+ ber_out_integer(s, 0); /* min_throughput */
+ ber_out_integer(s, 1); /* max_height */
+ ber_out_integer(s, max_pdusize);
+ ber_out_integer(s, 2); /* ver_protocol */
+}
+
+/* Parse a DOMAIN_PARAMS structure (ASN.1 BER) */
+static BOOL
+mcs_parse_domain_params(STREAM s)
+{
+ int length;
+
+ ber_parse_header(s, MCS_TAG_DOMAIN_PARAMS, &length);
+ in_uint8s(s, length);
+
+ return s_check(s);
+}
+
+/* Send an MCS_CONNECT_INITIAL message (ASN.1 BER) */
+static void
+mcs_send_connect_initial(STREAM mcs_data)
+{
+ int datalen = mcs_data->end - mcs_data->data;
+ int length = 9 + 3 * 34 + 4 + datalen;
+ STREAM s;
+
+ s = iso_init(length + 5);
+
+ ber_out_header(s, MCS_CONNECT_INITIAL, length);
+ ber_out_header(s, BER_TAG_OCTET_STRING, 1); /* calling domain */
+ out_uint8(s, 1);
+ ber_out_header(s, BER_TAG_OCTET_STRING, 1); /* called domain */
+ out_uint8(s, 1);
+
+ ber_out_header(s, BER_TAG_BOOLEAN, 1);
+ out_uint8(s, 0xff); /* upward flag */
+
+ mcs_out_domain_params(s, 34, 2, 0, 0xffff); /* target params */
+ mcs_out_domain_params(s, 1, 1, 1, 0x420); /* min params */
+ mcs_out_domain_params(s, 0xffff, 0xfc17, 0xffff, 0xffff); /* max params */
+
+ ber_out_header(s, BER_TAG_OCTET_STRING, datalen);
+ out_uint8p(s, mcs_data->data, datalen);
+
+ s_mark_end(s);
+ iso_send(s);
+}
+
+/* Expect a MCS_CONNECT_RESPONSE message (ASN.1 BER) */
+static BOOL
+mcs_recv_connect_response(STREAM mcs_data)
+{
+ uint8 result;
+ int length;
+ STREAM s;
+
+ s = iso_recv(NULL);
+ if (s == NULL)
+ return False;
+
+ ber_parse_header(s, MCS_CONNECT_RESPONSE, &length);
+
+ ber_parse_header(s, BER_TAG_RESULT, &length);
+ in_uint8(s, result);
+ if (result != 0)
+ {
+ error("MCS connect: %d\n", result);
+ return False;
+ }
+
+ ber_parse_header(s, BER_TAG_INTEGER, &length);
+ in_uint8s(s, length); /* connect id */
+ mcs_parse_domain_params(s);
+
+ ber_parse_header(s, BER_TAG_OCTET_STRING, &length);
+
+ sec_process_mcs_data(s);
+ /*
+ if (length > mcs_data->size)
+ {
+ error("MCS data length %d, expected %d\n", length,
+ mcs_data->size);
+ length = mcs_data->size;
+ }
+
+ in_uint8a(s, mcs_data->data, length);
+ mcs_data->p = mcs_data->data;
+ mcs_data->end = mcs_data->data + length;
+ */
+ return s_check_end(s);
+}
+
+/* Send an EDrq message (ASN.1 PER) */
+static void
+mcs_send_edrq(void)
+{
+ STREAM s;
+
+ s = iso_init(5);
+
+ out_uint8(s, (MCS_EDRQ << 2));
+ out_uint16_be(s, 1); /* height */
+ out_uint16_be(s, 1); /* interval */
+
+ s_mark_end(s);
+ iso_send(s);
+}
+
+/* Send an AUrq message (ASN.1 PER) */
+static void
+mcs_send_aurq(void)
+{
+ STREAM s;
+
+ s = iso_init(1);
+
+ out_uint8(s, (MCS_AURQ << 2));
+
+ s_mark_end(s);
+ iso_send(s);
+}
+
+/* Expect a AUcf message (ASN.1 PER) */
+static BOOL
+mcs_recv_aucf(uint16 * mcs_userid)
+{
+ uint8 opcode, result;
+ STREAM s;
+
+ s = iso_recv(NULL);
+ if (s == NULL)
+ return False;
+
+ in_uint8(s, opcode);
+ if ((opcode >> 2) != MCS_AUCF)
+ {
+ error("expected AUcf, got %d\n", opcode);
+ return False;
+ }
+
+ in_uint8(s, result);
+ if (result != 0)
+ {
+ error("AUrq: %d\n", result);
+ return False;
+ }
+
+ if (opcode & 2)
+ in_uint16_be(s, *mcs_userid);
+
+ return s_check_end(s);
+}
+
+/* Send a CJrq message (ASN.1 PER) */
+static void
+mcs_send_cjrq(uint16 chanid)
+{
+ STREAM s;
+
+ DEBUG_RDP5(("Sending CJRQ for channel #%d\n", chanid));
+
+ s = iso_init(5);
+
+ out_uint8(s, (MCS_CJRQ << 2));
+ out_uint16_be(s, g_mcs_userid);
+ out_uint16_be(s, chanid);
+
+ s_mark_end(s);
+ iso_send(s);
+}
+
+/* Expect a CJcf message (ASN.1 PER) */
+static BOOL
+mcs_recv_cjcf(void)
+{
+ uint8 opcode, result;
+ STREAM s;
+
+ s = iso_recv(NULL);
+ if (s == NULL)
+ return False;
+
+ in_uint8(s, opcode);
+ if ((opcode >> 2) != MCS_CJCF)
+ {
+ error("expected CJcf, got %d\n", opcode);
+ return False;
+ }
+
+ in_uint8(s, result);
+ if (result != 0)
+ {
+ error("CJrq: %d\n", result);
+ return False;
+ }
+
+ in_uint8s(s, 4); /* mcs_userid, req_chanid */
+ if (opcode & 2)
+ in_uint8s(s, 2); /* join_chanid */
+
+ return s_check_end(s);
+}
+
+/* Initialise an MCS transport data packet */
+STREAM
+mcs_init(int length)
+{
+ STREAM s;
+
+ s = iso_init(length + 8);
+ s_push_layer(s, mcs_hdr, 8);
+
+ return s;
+}
+
+/* Send an MCS transport data packet to a specific channel */
+void
+mcs_send_to_channel(STREAM s, uint16 channel)
+{
+ uint16 length;
+
+ s_pop_layer(s, mcs_hdr);
+ length = s->end - s->p - 8;
+ length |= 0x8000;
+
+ out_uint8(s, (MCS_SDRQ << 2));
+ out_uint16_be(s, g_mcs_userid);
+ out_uint16_be(s, channel);
+ out_uint8(s, 0x70); /* flags */
+ out_uint16_be(s, length);
+
+ iso_send(s);
+}
+
+/* Send an MCS transport data packet to the global channel */
+void
+mcs_send(STREAM s)
+{
+ mcs_send_to_channel(s, MCS_GLOBAL_CHANNEL);
+}
+
+/* Receive an MCS transport data packet */
+STREAM
+mcs_recv(uint16 * channel, uint8 * rdpver)
+{
+ uint8 opcode, appid, length;
+ STREAM s;
+
+ s = iso_recv(rdpver);
+ if (s == NULL)
+ return NULL;
+ if (rdpver != NULL)
+ if (*rdpver != 3)
+ return s;
+ in_uint8(s, opcode);
+ appid = opcode >> 2;
+ if (appid != MCS_SDIN)
+ {
+ if (appid != MCS_DPUM)
+ {
+ error("expected data, got %d\n", opcode);
+ }
+ return NULL;
+ }
+ in_uint8s(s, 2); /* userid */
+ in_uint16_be(s, *channel);
+ in_uint8s(s, 1); /* flags */
+ in_uint8(s, length);
+ if (length & 0x80)
+ in_uint8s(s, 1); /* second byte of length */
+ return s;
+}
+
+/* Establish a connection up to the MCS layer */
+BOOL
+mcs_connect(char *server, STREAM mcs_data, char *username)
+{
+ unsigned int i;
+
+ if (!iso_connect(server, username))
+ return False;
+
+ mcs_send_connect_initial(mcs_data);
+ if (!mcs_recv_connect_response(mcs_data))
+ goto error;
+
+ mcs_send_edrq();
+
+ mcs_send_aurq();
+ if (!mcs_recv_aucf(&g_mcs_userid))
+ goto error;
+
+ mcs_send_cjrq(g_mcs_userid + MCS_USERCHANNEL_BASE);
+
+ if (!mcs_recv_cjcf())
+ goto error;
+
+ mcs_send_cjrq(MCS_GLOBAL_CHANNEL);
+ if (!mcs_recv_cjcf())
+ goto error;
+
+ for (i = 0; i < g_num_channels; i++)
+ {
+ mcs_send_cjrq(g_channels[i].mcs_id);
+ if (!mcs_recv_cjcf())
+ goto error;
+ }
+ return True;
+
+ error:
+ iso_disconnect();
+ return False;
+}
+
+/* Establish a connection up to the MCS layer */
+BOOL
+mcs_reconnect(char *server, STREAM mcs_data)
+{
+ unsigned int i;
+
+ if (!iso_reconnect(server))
+ return False;
+
+ mcs_send_connect_initial(mcs_data);
+ if (!mcs_recv_connect_response(mcs_data))
+ goto error;
+
+ mcs_send_edrq();
+
+ mcs_send_aurq();
+ if (!mcs_recv_aucf(&g_mcs_userid))
+ goto error;
+
+ mcs_send_cjrq(g_mcs_userid + MCS_USERCHANNEL_BASE);
+
+ if (!mcs_recv_cjcf())
+ goto error;
+
+ mcs_send_cjrq(MCS_GLOBAL_CHANNEL);
+ if (!mcs_recv_cjcf())
+ goto error;
+
+ for (i = 0; i < g_num_channels; i++)
+ {
+ mcs_send_cjrq(g_channels[i].mcs_id);
+ if (!mcs_recv_cjcf())
+ goto error;
+ }
+ return True;
+
+ error:
+ iso_disconnect();
+ return False;
+}
+
+/* Disconnect from the MCS layer */
+void
+mcs_disconnect(void)
+{
+ iso_disconnect();
+}
+
+/* reset the state of the mcs layer */
+void
+mcs_reset_state(void)
+{
+ g_mcs_userid = 0;
+ iso_reset_state();
+}
diff --git a/uirdesktop/parse.h b/uirdesktop/parse.h
new file mode 100644
index 00000000..758e53fa
--- /dev/null
+++ b/uirdesktop/parse.h
@@ -0,0 +1,95 @@
+/*
+ rdesktop: A Remote Desktop Protocol client.
+ Parsing primitives
+ Copyright (C) Matthew Chapman 1999-2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/* Parser state */
+typedef struct stream
+{
+ unsigned char *p;
+ unsigned char *end;
+ unsigned char *data;
+ unsigned int size;
+
+ /* Offsets of various headers */
+ unsigned char *iso_hdr;
+ unsigned char *mcs_hdr;
+ unsigned char *sec_hdr;
+ unsigned char *rdp_hdr;
+ unsigned char *channel_hdr;
+
+}
+ *STREAM;
+
+#define s_push_layer(s,h,n) { (s)->h = (s)->p; (s)->p += n; }
+#define s_pop_layer(s,h) (s)->p = (s)->h;
+#define s_mark_end(s) (s)->end = (s)->p;
+#define s_check(s) ((s)->p <= (s)->end)
+#define s_check_rem(s,n) ((s)->p + n <= (s)->end)
+#define s_check_end(s) ((s)->p == (s)->end)
+
+#if defined(L_ENDIAN) && !defined(NEED_ALIGN)
+#define in_uint16_le(s,v) { v = *(uint16 *)((s)->p); (s)->p += 2; }
+#define in_uint32_le(s,v) { v = *(uint32 *)((s)->p); (s)->p += 4; }
+#define out_uint16_le(s,v) { *(uint16 *)((s)->p) = v; (s)->p += 2; }
+#define out_uint32_le(s,v) { *(uint32 *)((s)->p) = v; (s)->p += 4; }
+
+#else
+#define in_uint16_le(s,v) { v = *((s)->p++); v += *((s)->p++) << 8; }
+#define in_uint32_le(s,v) { in_uint16_le(s,v) \
+ v += *((s)->p++) << 16; v += *((s)->p++) << 24; }
+#define out_uint16_le(s,v) { *((s)->p++) = (v) & 0xff; *((s)->p++) = ((v) >> 8) & 0xff; }
+#define out_uint32_le(s,v) { out_uint16_le(s, (v) & 0xffff); out_uint16_le(s, ((v) >> 16) & 0xffff); }
+#endif
+
+#if defined(B_ENDIAN) && !defined(NEED_ALIGN)
+#define in_uint16_be(s,v) { v = *(uint16 *)((s)->p); (s)->p += 2; }
+#define in_uint32_be(s,v) { v = *(uint32 *)((s)->p); (s)->p += 4; }
+#define out_uint16_be(s,v) { *(uint16 *)((s)->p) = v; (s)->p += 2; }
+#define out_uint32_be(s,v) { *(uint32 *)((s)->p) = v; (s)->p += 4; }
+
+#define B_ENDIAN_PREFERRED
+#define in_uint16(s,v) in_uint16_be(s,v)
+#define in_uint32(s,v) in_uint32_be(s,v)
+#define out_uint16(s,v) out_uint16_be(s,v)
+#define out_uint32(s,v) out_uint32_be(s,v)
+
+#else
+#define in_uint16_be(s,v) { v = *((s)->p++); next_be(s,v); }
+#define in_uint32_be(s,v) { in_uint16_be(s,v); next_be(s,v); next_be(s,v); }
+#define out_uint16_be(s,v) { *((s)->p++) = ((v) >> 8) & 0xff; *((s)->p++) = (v) & 0xff; }
+#define out_uint32_be(s,v) { out_uint16_be(s, ((v) >> 16) & 0xffff); out_uint16_be(s, (v) & 0xffff); }
+#endif
+
+#ifndef B_ENDIAN_PREFERRED
+#define in_uint16(s,v) in_uint16_le(s,v)
+#define in_uint32(s,v) in_uint32_le(s,v)
+#define out_uint16(s,v) out_uint16_le(s,v)
+#define out_uint32(s,v) out_uint32_le(s,v)
+#endif
+
+#define in_uint8(s,v) v = *((s)->p++);
+#define in_uint8p(s,v,n) { v = (s)->p; (s)->p += n; }
+#define in_uint8a(s,v,n) { memcpy(v,(s)->p,n); (s)->p += n; }
+#define in_uint8s(s,n) (s)->p += n;
+#define out_uint8(s,v) *((s)->p++) = v;
+#define out_uint8p(s,v,n) { memcpy((s)->p,v,n); (s)->p += n; }
+#define out_uint8a(s,v,n) out_uint8p(s,v,n);
+#define out_uint8s(s,n) { memset((s)->p,0,n); (s)->p += n; }
+
+#define next_be(s,v) v = ((v) << 8) + *((s)->p++);
diff --git a/uirdesktop/secure.c b/uirdesktop/secure.c
new file mode 100644
index 00000000..0d22ecc3
--- /dev/null
+++ b/uirdesktop/secure.c
@@ -0,0 +1,981 @@
+/* -*- c-basic-offset: 8 -*-
+ rdesktop: A Remote Desktop Protocol client.
+ Protocol services - RDP encryption and licensing
+ Copyright (C) Matthew Chapman 1999-2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "rdesktop.h"
+
+#include <openssl/rc4.h>
+#include <openssl/md5.h>
+#include <openssl/sha.h>
+#include <openssl/bn.h>
+#include <openssl/x509v3.h>
+
+extern char g_hostname[16];
+extern int g_width;
+extern int g_height;
+extern unsigned int g_keylayout;
+extern int g_keyboard_type;
+extern int g_keyboard_subtype;
+extern int g_keyboard_functionkeys;
+extern BOOL g_encryption;
+extern BOOL g_licence_issued;
+extern BOOL g_use_rdp5;
+extern BOOL g_console_session;
+extern int g_server_depth;
+extern uint16 mcs_userid;
+extern VCHANNEL g_channels[];
+extern unsigned int g_num_channels;
+
+static int rc4_key_len;
+static RC4_KEY rc4_decrypt_key;
+static RC4_KEY rc4_encrypt_key;
+static RSA *server_public_key;
+static uint32 server_public_key_len;
+
+static uint8 sec_sign_key[16];
+static uint8 sec_decrypt_key[16];
+static uint8 sec_encrypt_key[16];
+static uint8 sec_decrypt_update_key[16];
+static uint8 sec_encrypt_update_key[16];
+static uint8 sec_crypted_random[SEC_MAX_MODULUS_SIZE];
+
+uint16 g_server_rdp_version = 0;
+
+/* These values must be available to reset state - Session Directory */
+static int sec_encrypt_use_count = 0;
+static int sec_decrypt_use_count = 0;
+
+/*
+ * I believe this is based on SSLv3 with the following differences:
+ * MAC algorithm (5.2.3.1) uses only 32-bit length in place of seq_num/type/length fields
+ * MAC algorithm uses SHA1 and MD5 for the two hash functions instead of one or other
+ * key_block algorithm (6.2.2) uses 'X', 'YY', 'ZZZ' instead of 'A', 'BB', 'CCC'
+ * key_block partitioning is different (16 bytes each: MAC secret, decrypt key, encrypt key)
+ * encryption/decryption keys updated every 4096 packets
+ * See http://wp.netscape.com/eng/ssl3/draft302.txt
+ */
+
+/*
+ * 48-byte transformation used to generate master secret (6.1) and key material (6.2.2).
+ * Both SHA1 and MD5 algorithms are used.
+ */
+void
+sec_hash_48(uint8 * out, uint8 * in, uint8 * salt1, uint8 * salt2, uint8 salt)
+{
+ uint8 shasig[20];
+ uint8 pad[4];
+ SHA_CTX sha;
+ MD5_CTX md5;
+ int i;
+
+ for (i = 0; i < 3; i++)
+ {
+ memset(pad, salt + i, i + 1);
+
+ SHA1_Init(&sha);
+ SHA1_Update(&sha, pad, i + 1);
+ SHA1_Update(&sha, in, 48);
+ SHA1_Update(&sha, salt1, 32);
+ SHA1_Update(&sha, salt2, 32);
+ SHA1_Final(shasig, &sha);
+
+ MD5_Init(&md5);
+ MD5_Update(&md5, in, 48);
+ MD5_Update(&md5, shasig, 20);
+ MD5_Final(&out[i * 16], &md5);
+ }
+}
+
+/*
+ * 16-byte transformation used to generate export keys (6.2.2).
+ */
+void
+sec_hash_16(uint8 * out, uint8 * in, uint8 * salt1, uint8 * salt2)
+{
+ MD5_CTX md5;
+
+ MD5_Init(&md5);
+ MD5_Update(&md5, in, 16);
+ MD5_Update(&md5, salt1, 32);
+ MD5_Update(&md5, salt2, 32);
+ MD5_Final(out, &md5);
+}
+
+/* Reduce key entropy from 64 to 40 bits */
+static void
+sec_make_40bit(uint8 * key)
+{
+ key[0] = 0xd1;
+ key[1] = 0x26;
+ key[2] = 0x9e;
+}
+
+/* Generate encryption keys given client and server randoms */
+static void
+sec_generate_keys(uint8 * client_random, uint8 * server_random, int rc4_key_size)
+{
+ uint8 pre_master_secret[48];
+ uint8 master_secret[48];
+ uint8 key_block[48];
+
+ /* Construct pre-master secret */
+ memcpy(pre_master_secret, client_random, 24);
+ memcpy(pre_master_secret + 24, server_random, 24);
+
+ /* Generate master secret and then key material */
+ sec_hash_48(master_secret, pre_master_secret, client_random, server_random, 'A');
+ sec_hash_48(key_block, master_secret, client_random, server_random, 'X');
+
+ /* First 16 bytes of key material is MAC secret */
+ memcpy(sec_sign_key, key_block, 16);
+
+ /* Generate export keys from next two blocks of 16 bytes */
+ sec_hash_16(sec_decrypt_key, &key_block[16], client_random, server_random);
+ sec_hash_16(sec_encrypt_key, &key_block[32], client_random, server_random);
+
+ if (rc4_key_size == 1)
+ {
+ DEBUG(("40-bit encryption enabled\n"));
+ sec_make_40bit(sec_sign_key);
+ sec_make_40bit(sec_decrypt_key);
+ sec_make_40bit(sec_encrypt_key);
+ rc4_key_len = 8;
+ }
+ else
+ {
+ DEBUG(("rc_4_key_size == %d, 128-bit encryption enabled\n", rc4_key_size));
+ rc4_key_len = 16;
+ }
+
+ /* Save initial RC4 keys as update keys */
+ memcpy(sec_decrypt_update_key, sec_decrypt_key, 16);
+ memcpy(sec_encrypt_update_key, sec_encrypt_key, 16);
+
+ /* Initialise RC4 state arrays */
+ RC4_set_key(&rc4_decrypt_key, rc4_key_len, sec_decrypt_key);
+ RC4_set_key(&rc4_encrypt_key, rc4_key_len, sec_encrypt_key);
+}
+
+static uint8 pad_54[40] = {
+ 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
+ 54, 54, 54,
+ 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
+ 54, 54, 54
+};
+
+static uint8 pad_92[48] = {
+ 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92,
+ 92, 92, 92, 92, 92, 92, 92,
+ 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92,
+ 92, 92, 92, 92, 92, 92, 92
+};
+
+/* Output a uint32 into a buffer (little-endian) */
+void
+buf_out_uint32(uint8 * buffer, uint32 value)
+{
+ buffer[0] = (value) & 0xff;
+ buffer[1] = (value >> 8) & 0xff;
+ buffer[2] = (value >> 16) & 0xff;
+ buffer[3] = (value >> 24) & 0xff;
+}
+
+/* Generate a MAC hash (5.2.3.1), using a combination of SHA1 and MD5 */
+void
+sec_sign(uint8 * signature, int siglen, uint8 * session_key, int keylen, uint8 * data, int datalen)
+{
+ uint8 shasig[20];
+ uint8 md5sig[16];
+ uint8 lenhdr[4];
+ SHA_CTX sha;
+ MD5_CTX md5;
+
+ buf_out_uint32(lenhdr, datalen);
+
+ SHA1_Init(&sha);
+ SHA1_Update(&sha, session_key, keylen);
+ SHA1_Update(&sha, pad_54, 40);
+ SHA1_Update(&sha, lenhdr, 4);
+ SHA1_Update(&sha, data, datalen);
+ SHA1_Final(shasig, &sha);
+
+ MD5_Init(&md5);
+ MD5_Update(&md5, session_key, keylen);
+ MD5_Update(&md5, pad_92, 48);
+ MD5_Update(&md5, shasig, 20);
+ MD5_Final(md5sig, &md5);
+
+ memcpy(signature, md5sig, siglen);
+}
+
+/* Update an encryption key */
+static void
+sec_update(uint8 * key, uint8 * update_key)
+{
+ uint8 shasig[20];
+ SHA_CTX sha;
+ MD5_CTX md5;
+ RC4_KEY update;
+
+ SHA1_Init(&sha);
+ SHA1_Update(&sha, update_key, rc4_key_len);
+ SHA1_Update(&sha, pad_54, 40);
+ SHA1_Update(&sha, key, rc4_key_len);
+ SHA1_Final(shasig, &sha);
+
+ MD5_Init(&md5);
+ MD5_Update(&md5, update_key, rc4_key_len);
+ MD5_Update(&md5, pad_92, 48);
+ MD5_Update(&md5, shasig, 20);
+ MD5_Final(key, &md5);
+
+ RC4_set_key(&update, rc4_key_len, key);
+ RC4(&update, rc4_key_len, key, key);
+
+ if (rc4_key_len == 8)
+ sec_make_40bit(key);
+}
+
+/* Encrypt data using RC4 */
+static void
+sec_encrypt(uint8 * data, int length)
+{
+ if (sec_encrypt_use_count == 4096)
+ {
+ sec_update(sec_encrypt_key, sec_encrypt_update_key);
+ RC4_set_key(&rc4_encrypt_key, rc4_key_len, sec_encrypt_key);
+ sec_encrypt_use_count = 0;
+ }
+
+ RC4(&rc4_encrypt_key, length, data, data);
+ sec_encrypt_use_count++;
+}
+
+/* Decrypt data using RC4 */
+void
+sec_decrypt(uint8 * data, int length)
+{
+ if (sec_decrypt_use_count == 4096)
+ {
+ sec_update(sec_decrypt_key, sec_decrypt_update_key);
+ RC4_set_key(&rc4_decrypt_key, rc4_key_len, sec_decrypt_key);
+ sec_decrypt_use_count = 0;
+ }
+
+ RC4(&rc4_decrypt_key, length, data, data);
+ sec_decrypt_use_count++;
+}
+
+static void
+reverse(uint8 * p, int len)
+{
+ int i, j;
+ uint8 temp;
+
+ for (i = 0, j = len - 1; i < j; i++, j--)
+ {
+ temp = p[i];
+ p[i] = p[j];
+ p[j] = temp;
+ }
+}
+
+/* Perform an RSA public key encryption operation */
+static void
+sec_rsa_encrypt(uint8 * out, uint8 * in, int len, uint32 modulus_size, uint8 * modulus, uint8 * exponent)
+{
+ BN_CTX *ctx;
+ BIGNUM mod, exp, x, y;
+ uint8 inr[SEC_MAX_MODULUS_SIZE];
+ int outlen;
+
+ reverse(modulus, modulus_size);
+ reverse(exponent, SEC_EXPONENT_SIZE);
+ memcpy(inr, in, len);
+ reverse(inr, len);
+
+ ctx = BN_CTX_new();
+ BN_init(&mod);
+ BN_init(&exp);
+ BN_init(&x);
+ BN_init(&y);
+
+ BN_bin2bn(modulus, modulus_size, &mod);
+ BN_bin2bn(exponent, SEC_EXPONENT_SIZE, &exp);
+ BN_bin2bn(inr, len, &x);
+ BN_mod_exp(&y, &x, &exp, &mod, ctx);
+ outlen = BN_bn2bin(&y, out);
+ reverse(out, outlen);
+ if (outlen < modulus_size)
+ memset(out + outlen, 0, modulus_size - outlen);
+
+ BN_free(&y);
+ BN_clear_free(&x);
+ BN_free(&exp);
+ BN_free(&mod);
+ BN_CTX_free(ctx);
+}
+
+/* Initialise secure transport packet */
+STREAM
+sec_init(uint32 flags, int maxlen)
+{
+ int hdrlen;
+ STREAM s;
+
+ if (!g_licence_issued)
+ hdrlen = (flags & SEC_ENCRYPT) ? 12 : 4;
+ else
+ hdrlen = (flags & SEC_ENCRYPT) ? 12 : 0;
+ s = mcs_init(maxlen + hdrlen);
+ s_push_layer(s, sec_hdr, hdrlen);
+
+ return s;
+}
+
+/* Transmit secure transport packet over specified channel */
+void
+sec_send_to_channel(STREAM s, uint32 flags, uint16 channel)
+{
+ int datalen;
+
+ s_pop_layer(s, sec_hdr);
+ if (!g_licence_issued || (flags & SEC_ENCRYPT))
+ out_uint32_le(s, flags);
+
+ if (flags & SEC_ENCRYPT)
+ {
+ flags &= ~SEC_ENCRYPT;
+ datalen = s->end - s->p - 8;
+
+#if WITH_DEBUG
+ DEBUG(("Sending encrypted packet:\n"));
+ hexdump(s->p + 8, datalen);
+#endif
+
+ sec_sign(s->p, 8, sec_sign_key, rc4_key_len, s->p + 8, datalen);
+ sec_encrypt(s->p + 8, datalen);
+ }
+
+ mcs_send_to_channel(s, channel);
+}
+
+/* Transmit secure transport packet */
+
+void
+sec_send(STREAM s, uint32 flags)
+{
+ sec_send_to_channel(s, flags, MCS_GLOBAL_CHANNEL);
+}
+
+
+/* Transfer the client random to the server */
+static void
+sec_establish_key(void)
+{
+ uint32 length = server_public_key_len + SEC_PADDING_SIZE;
+ uint32 flags = SEC_CLIENT_RANDOM;
+ STREAM s;
+
+ s = sec_init(flags, length+4);
+
+ out_uint32_le(s, length);
+ out_uint8p(s, sec_crypted_random, server_public_key_len);
+ out_uint8s(s, SEC_PADDING_SIZE);
+
+ s_mark_end(s);
+ sec_send(s, flags);
+}
+
+/* Output connect initial data blob */
+static void
+sec_out_mcs_data(STREAM s)
+{
+ int hostlen = 2 * strlen(g_hostname);
+ int length = 158 + 76 + 12 + 4;
+ unsigned int i;
+
+ if (g_num_channels > 0)
+ length += g_num_channels * 12 + 8;
+
+ if (hostlen > 30)
+ hostlen = 30;
+
+ /* Generic Conference Control (T.124) ConferenceCreateRequest */
+ out_uint16_be(s, 5);
+ out_uint16_be(s, 0x14);
+ out_uint8(s, 0x7c);
+ out_uint16_be(s, 1);
+
+ out_uint16_be(s, (length | 0x8000)); /* remaining length */
+
+ out_uint16_be(s, 8); /* length? */
+ out_uint16_be(s, 16);
+ out_uint8(s, 0);
+ out_uint16_le(s, 0xc001);
+ out_uint8(s, 0);
+
+ out_uint32_le(s, 0x61637544); /* OEM ID: "Duca", as in Ducati. */
+ out_uint16_be(s, ((length - 14) | 0x8000)); /* remaining length */
+
+ /* Client information */
+ out_uint16_le(s, SEC_TAG_CLI_INFO);
+ out_uint16_le(s, 212); /* length */
+ out_uint16_le(s, g_use_rdp5 ? 4 : 1); /* RDP version. 1 == RDP4, 4 == RDP5. */
+ out_uint16_le(s, 8);
+ out_uint16_le(s, g_width);
+ out_uint16_le(s, g_height);
+ out_uint16_le(s, 0xca01);
+ out_uint16_le(s, 0xaa03);
+ out_uint32_le(s, g_keylayout);
+ out_uint32_le(s, 2600); /* Client build. We are now 2600 compatible :-) */
+
+ /* Unicode name of client, padded to 32 bytes */
+ rdp_out_unistr(s, g_hostname, hostlen);
+ out_uint8s(s, 30 - hostlen);
+
+ /* See
+ http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wceddk40/html/cxtsksupportingremotedesktopprotocol.asp */
+ out_uint32_le(s, g_keyboard_type);
+ out_uint32_le(s, g_keyboard_subtype);
+ out_uint32_le(s, g_keyboard_functionkeys);
+ out_uint8s(s, 64); /* reserved? 4 + 12 doublewords */
+ out_uint16_le(s, 0xca01); /* colour depth? */
+ out_uint16_le(s, 1);
+
+ out_uint32(s, 0);
+ out_uint8(s, g_server_depth);
+ out_uint16_le(s, 0x0700);
+ out_uint8(s, 0);
+ out_uint32_le(s, 1);
+ out_uint8s(s, 64); /* End of client info */
+
+ out_uint16_le(s, SEC_TAG_CLI_4);
+ out_uint16_le(s, 12);
+ out_uint32_le(s, g_console_session ? 0xb : 9);
+ out_uint32(s, 0);
+
+ /* Client encryption settings */
+ out_uint16_le(s, SEC_TAG_CLI_CRYPT);
+ out_uint16_le(s, 12); /* length */
+ out_uint32_le(s, g_encryption ? 0x3 : 0); /* encryption supported, 128-bit supported */
+ out_uint32(s, 0); /* Unknown */
+
+ DEBUG_RDP5(("g_num_channels is %d\n", g_num_channels));
+ if (g_num_channels > 0)
+ {
+ out_uint16_le(s, SEC_TAG_CLI_CHANNELS);
+ out_uint16_le(s, g_num_channels * 12 + 8); /* length */
+ out_uint32_le(s, g_num_channels); /* number of virtual channels */
+ for (i = 0; i < g_num_channels; i++)
+ {
+ DEBUG_RDP5(("Requesting channel %s\n", g_channels[i].name));
+ out_uint8a(s, g_channels[i].name, 8);
+ out_uint32_be(s, g_channels[i].flags);
+ }
+ }
+
+ s_mark_end(s);
+}
+
+/* Parse a public key structure */
+static BOOL
+sec_parse_public_key(STREAM s, uint8 ** modulus, uint8 ** exponent)
+{
+ uint32 magic, modulus_len;
+
+ in_uint32_le(s, magic);
+ if (magic != SEC_RSA_MAGIC)
+ {
+ error("RSA magic 0x%x\n", magic);
+ return False;
+ }
+
+ in_uint32_le(s, modulus_len);
+ modulus_len -= SEC_PADDING_SIZE;
+ if ((modulus_len < 64) || (modulus_len > SEC_MAX_MODULUS_SIZE))
+ {
+ error("Bad server public key size (%u bits)\n", modulus_len*8);
+ return False;
+ }
+
+ in_uint8s(s, 8); /* modulus_bits, unknown */
+ in_uint8p(s, *exponent, SEC_EXPONENT_SIZE);
+ in_uint8p(s, *modulus, modulus_len);
+ in_uint8s(s, SEC_PADDING_SIZE);
+ server_public_key_len = modulus_len;
+
+ return s_check(s);
+}
+
+static BOOL
+sec_parse_x509_key(X509 * cert)
+{
+ EVP_PKEY *epk = NULL;
+ /* By some reason, Microsoft sets the OID of the Public RSA key to
+ the oid for "MD5 with RSA Encryption" instead of "RSA Encryption"
+
+ Kudos to Richard Levitte for the following (. intiutive .)
+ lines of code that resets the OID and let's us extract the key. */
+ if (OBJ_obj2nid(cert->cert_info->key->algor->algorithm) == NID_md5WithRSAEncryption)
+ {
+ DEBUG_RDP5(("Re-setting algorithm type to RSA in server certificate\n"));
+ ASN1_OBJECT_free(cert->cert_info->key->algor->algorithm);
+ cert->cert_info->key->algor->algorithm = OBJ_nid2obj(NID_rsaEncryption);
+ }
+ epk = X509_get_pubkey(cert);
+ if (NULL == epk)
+ {
+ error("Failed to extract public key from certificate\n");
+ return False;
+ }
+
+ server_public_key = RSAPublicKey_dup((RSA *) epk->pkey.ptr);
+ EVP_PKEY_free(epk);
+
+ server_public_key_len = RSA_size(server_public_key);
+ if ((server_public_key_len < 64) || (server_public_key_len > SEC_MAX_MODULUS_SIZE))
+ {
+ error("Bad server public key size (%u bits)\n", server_public_key_len*8);
+ return False;
+ }
+
+ return True;
+}
+
+
+/* Parse a crypto information structure */
+static BOOL
+sec_parse_crypt_info(STREAM s, uint32 * rc4_key_size,
+ uint8 ** server_random, uint8 ** modulus, uint8 ** exponent)
+{
+ uint32 crypt_level, random_len, rsa_info_len;
+ uint32 cacert_len, cert_len, flags;
+ X509 *cacert, *server_cert;
+ uint16 tag, length;
+ uint8 *next_tag, *end;
+
+ in_uint32_le(s, *rc4_key_size); /* 1 = 40-bit, 2 = 128-bit */
+ in_uint32_le(s, crypt_level); /* 1 = low, 2 = medium, 3 = high */
+ if (crypt_level == 0) /* no encryption */
+ return False;
+ in_uint32_le(s, random_len);
+ in_uint32_le(s, rsa_info_len);
+
+ if (random_len != SEC_RANDOM_SIZE)
+ {
+ error("random len %d, expected %d\n", random_len, SEC_RANDOM_SIZE);
+ return False;
+ }
+
+ in_uint8p(s, *server_random, random_len);
+
+ /* RSA info */
+ end = s->p + rsa_info_len;
+ if (end > s->end)
+ return False;
+
+ in_uint32_le(s, flags); /* 1 = RDP4-style, 0x80000002 = X.509 */
+ if (flags & 1)
+ {
+ DEBUG_RDP5(("We're going for the RDP4-style encryption\n"));
+ in_uint8s(s, 8); /* unknown */
+
+ while (s->p < end)
+ {
+ in_uint16_le(s, tag);
+ in_uint16_le(s, length);
+
+ next_tag = s->p + length;
+
+ switch (tag)
+ {
+ case SEC_TAG_PUBKEY:
+ if (!sec_parse_public_key(s, modulus, exponent))
+ return False;
+ DEBUG_RDP5(("Got Public key, RDP4-style\n"));
+
+ break;
+
+ case SEC_TAG_KEYSIG:
+ /* Is this a Microsoft key that we just got? */
+ /* Care factor: zero! */
+ /* Actually, it would probably be a good idea to check if the public key is signed with this key, and then store this
+ key as a known key of the hostname. This would prevent some MITM-attacks. */
+ break;
+
+ default:
+ unimpl("crypt tag 0x%x\n", tag);
+ }
+
+ s->p = next_tag;
+ }
+ }
+ else
+ {
+ uint32 certcount;
+
+ DEBUG_RDP5(("We're going for the RDP5-style encryption\n"));
+ in_uint32_le(s, certcount); /* Number of certificates */
+
+ if (certcount < 2)
+ {
+ error("Server didn't send enough X509 certificates\n");
+ return False;
+ }
+
+ for (; certcount > 2; certcount--)
+ { /* ignore all the certificates between the root and the signing CA */
+ uint32 ignorelen;
+ X509 *ignorecert;
+
+ DEBUG_RDP5(("Ignored certs left: %d\n", certcount));
+
+ in_uint32_le(s, ignorelen);
+ DEBUG_RDP5(("Ignored Certificate length is %d\n", ignorelen));
+ ignorecert = d2i_X509(NULL, &(s->p), ignorelen);
+
+ if (ignorecert == NULL)
+ { /* XXX: error out? */
+ DEBUG_RDP5(("got a bad cert: this will probably screw up the rest of the communication\n"));
+ }
+
+#ifdef WITH_DEBUG_RDP5
+ DEBUG_RDP5(("cert #%d (ignored):\n", certcount));
+ X509_print_fp(stdout, ignorecert);
+#endif
+ }
+
+ /* Do da funky X.509 stuffy
+
+ "How did I find out about this? I looked up and saw a
+ bright light and when I came to I had a scar on my forehead
+ and knew about X.500"
+ - Peter Gutman in a early version of
+ http://www.cs.auckland.ac.nz/~pgut001/pubs/x509guide.txt
+ */
+
+ in_uint32_le(s, cacert_len);
+ DEBUG_RDP5(("CA Certificate length is %d\n", cacert_len));
+ cacert = d2i_X509(NULL, &(s->p), cacert_len);
+ /* Note: We don't need to move s->p here - d2i_X509 is
+ "kind" enough to do it for us */
+ if (NULL == cacert)
+ {
+ error("Couldn't load CA Certificate from server\n");
+ return False;
+ }
+
+ /* Currently, we don't use the CA Certificate.
+ FIXME:
+ *) Verify the server certificate (server_cert) with the
+ CA certificate.
+ *) Store the CA Certificate with the hostname of the
+ server we are connecting to as key, and compare it
+ when we connect the next time, in order to prevent
+ MITM-attacks.
+ */
+
+ X509_free(cacert);
+
+ in_uint32_le(s, cert_len);
+ DEBUG_RDP5(("Certificate length is %d\n", cert_len));
+ server_cert = d2i_X509(NULL, &(s->p), cert_len);
+ if (NULL == server_cert)
+ {
+ error("Couldn't load Certificate from server\n");
+ return False;
+ }
+
+ in_uint8s(s, 16); /* Padding */
+
+ /* Note: Verifying the server certificate must be done here,
+ before sec_parse_public_key since we'll have to apply
+ serious violence to the key after this */
+
+ if (!sec_parse_x509_key(server_cert))
+ {
+ DEBUG_RDP5(("Didn't parse X509 correctly\n"));
+ X509_free(server_cert);
+ return False;
+ }
+ X509_free(server_cert);
+ return True; /* There's some garbage here we don't care about */
+ }
+ return s_check_end(s);
+}
+
+/* Process crypto information blob */
+static void
+sec_process_crypt_info(STREAM s)
+{
+ uint8 *server_random, *modulus, *exponent;
+ uint8 client_random[SEC_RANDOM_SIZE];
+ uint32 rc4_key_size;
+
+ if (!sec_parse_crypt_info(s, &rc4_key_size, &server_random, &modulus, &exponent))
+ {
+ DEBUG(("Failed to parse crypt info\n"));
+ return;
+ }
+
+ DEBUG(("Generating client random\n"));
+ generate_random(client_random);
+
+ if (NULL != server_public_key)
+ { /* Which means we should use
+ RDP5-style encryption */
+ uint8 inr[SEC_MAX_MODULUS_SIZE];
+ uint32 padding_len = server_public_key_len - SEC_RANDOM_SIZE;
+
+ /* This is what the MS client do: */
+ memset(inr, 0, padding_len);
+ /* *ARIGL!* Plaintext attack, anyone?
+ I tried doing:
+ generate_random(inr);
+ ..but that generates connection errors now and then (yes,
+ "now and then". Something like 0 to 3 attempts needed before a
+ successful connection. Nice. Not!
+ */
+ memcpy(inr + padding_len, client_random, SEC_RANDOM_SIZE);
+ reverse(inr + padding_len, SEC_RANDOM_SIZE);
+
+ RSA_public_encrypt(server_public_key_len,
+ inr, sec_crypted_random, server_public_key, RSA_NO_PADDING);
+
+ reverse(sec_crypted_random, server_public_key_len);
+
+ RSA_free(server_public_key);
+ server_public_key = NULL;
+ }
+ else
+ { /* RDP4-style encryption */
+ sec_rsa_encrypt(sec_crypted_random,
+ client_random, SEC_RANDOM_SIZE, server_public_key_len, modulus, exponent);
+ }
+ sec_generate_keys(client_random, server_random, rc4_key_size);
+}
+
+
+/* Process SRV_INFO, find RDP version supported by server */
+static void
+sec_process_srv_info(STREAM s)
+{
+ in_uint16_le(s, g_server_rdp_version);
+ DEBUG_RDP5(("Server RDP version is %d\n", g_server_rdp_version));
+ if (1 == g_server_rdp_version)
+ {
+ g_use_rdp5 = 0;
+ g_server_depth = 8;
+ }
+}
+
+
+/* Process connect response data blob */
+void
+sec_process_mcs_data(STREAM s)
+{
+ uint16 tag, length;
+ uint8 *next_tag;
+ uint8 len;
+
+ in_uint8s(s, 21); /* header (T.124 ConferenceCreateResponse) */
+ in_uint8(s, len);
+ if (len & 0x80)
+ in_uint8(s, len);
+
+ while (s->p < s->end)
+ {
+ in_uint16_le(s, tag);
+ in_uint16_le(s, length);
+
+ if (length <= 4)
+ return;
+
+ next_tag = s->p + length - 4;
+
+ switch (tag)
+ {
+ case SEC_TAG_SRV_INFO:
+ sec_process_srv_info(s);
+ break;
+
+ case SEC_TAG_SRV_CRYPT:
+ sec_process_crypt_info(s);
+ break;
+
+ case SEC_TAG_SRV_CHANNELS:
+ /* FIXME: We should parse this information and
+ use it to map RDP5 channels to MCS
+ channels */
+ break;
+
+ default:
+ unimpl("response tag 0x%x\n", tag);
+ }
+
+ s->p = next_tag;
+ }
+}
+
+/* Receive secure transport packet */
+STREAM
+sec_recv(uint8 * rdpver)
+{
+ uint32 sec_flags;
+ uint16 channel;
+ STREAM s;
+
+ while ((s = mcs_recv(&channel, rdpver)) != NULL)
+ {
+ if (rdpver != NULL)
+ {
+ if (*rdpver != 3)
+ {
+ if (*rdpver & 0x80)
+ {
+ in_uint8s(s, 8); /* signature */
+ sec_decrypt(s->p, s->end - s->p);
+ }
+ return s;
+ }
+ }
+ if (g_encryption || !g_licence_issued)
+ {
+ in_uint32_le(s, sec_flags);
+
+ if (sec_flags & SEC_ENCRYPT)
+ {
+ in_uint8s(s, 8); /* signature */
+ sec_decrypt(s->p, s->end - s->p);
+ }
+
+ if (sec_flags & SEC_LICENCE_NEG)
+ {
+ licence_process(s);
+ continue;
+ }
+
+ if (sec_flags & 0x0400) /* SEC_REDIRECT_ENCRYPT */
+ {
+ uint8 swapbyte;
+
+ in_uint8s(s, 8); /* signature */
+ sec_decrypt(s->p, s->end - s->p);
+
+ /* Check for a redirect packet, starts with 00 04 */
+ if (s->p[0] == 0 && s->p[1] == 4)
+ {
+ /* for some reason the PDU and the length seem to be swapped.
+ This isn't good, but we're going to do a byte for byte
+ swap. So the first foure value appear as: 00 04 XX YY,
+ where XX YY is the little endian length. We're going to
+ use 04 00 as the PDU type, so after our swap this will look
+ like: XX YY 04 00 */
+ swapbyte = s->p[0];
+ s->p[0] = s->p[2];
+ s->p[2] = swapbyte;
+
+ swapbyte = s->p[1];
+ s->p[1] = s->p[3];
+ s->p[3] = swapbyte;
+
+ swapbyte = s->p[2];
+ s->p[2] = s->p[3];
+ s->p[3] = swapbyte;
+ }
+#ifdef WITH_DEBUG
+ /* warning! this debug statement will show passwords in the clear! */
+ hexdump(s->p, s->end - s->p);
+#endif
+ }
+
+ }
+
+ if (channel != MCS_GLOBAL_CHANNEL)
+ {
+ channel_process(s, channel);
+ *rdpver = 0xff;
+ return s;
+ }
+
+ return s;
+ }
+
+ return NULL;
+}
+
+/* Establish a secure connection */
+BOOL
+sec_connect(char *server, char *username)
+{
+ struct stream mcs_data;
+
+ /* We exchange some RDP data during the MCS-Connect */
+ mcs_data.size = 512;
+ mcs_data.p = mcs_data.data = (uint8 *) xmalloc(mcs_data.size);
+ sec_out_mcs_data(&mcs_data);
+
+ if (!mcs_connect(server, &mcs_data, username))
+ return False;
+
+ /* sec_process_mcs_data(&mcs_data); */
+ if (g_encryption)
+ sec_establish_key();
+ xfree(mcs_data.data);
+ return True;
+}
+
+/* Establish a secure connection */
+BOOL
+sec_reconnect(char *server)
+{
+ struct stream mcs_data;
+
+ /* We exchange some RDP data during the MCS-Connect */
+ mcs_data.size = 512;
+ mcs_data.p = mcs_data.data = (uint8 *) xmalloc(mcs_data.size);
+ sec_out_mcs_data(&mcs_data);
+
+ if (!mcs_reconnect(server, &mcs_data))
+ return False;
+
+ /* sec_process_mcs_data(&mcs_data); */
+ if (g_encryption)
+ sec_establish_key();
+ xfree(mcs_data.data);
+ return True;
+}
+
+/* Disconnect a connection */
+void
+sec_disconnect(void)
+{
+ mcs_disconnect();
+}
+
+/* reset the state of the sec layer */
+void
+sec_reset_state(void)
+{
+ g_server_rdp_version = 0;
+ sec_encrypt_use_count = 0;
+ sec_decrypt_use_count = 0;
+ mcs_reset_state();
+}
diff --git a/uirdesktop/tcp.c b/uirdesktop/tcp.c
new file mode 100644
index 00000000..dde4ddfa
--- /dev/null
+++ b/uirdesktop/tcp.c
@@ -0,0 +1,278 @@
+/* -*- c-basic-offset: 8 -*-
+ rdesktop: A Remote Desktop Protocol client.
+ Protocol services - TCP layer
+ Copyright (C) Matthew Chapman 1999-2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <unistd.h> /* select read write close */
+#include <sys/socket.h> /* socket connect setsockopt */
+#include <sys/time.h> /* timeval */
+#include <netdb.h> /* gethostbyname */
+#include <netinet/in.h> /* sockaddr_in */
+#include <netinet/tcp.h> /* TCP_NODELAY */
+#include <arpa/inet.h> /* inet_addr */
+#include <errno.h> /* errno */
+#include "rdesktop.h"
+
+#ifndef INADDR_NONE
+#define INADDR_NONE ((unsigned long) -1)
+#endif
+
+static int sock;
+static struct stream in;
+static struct stream out;
+int g_tcp_port_rdp = TCP_PORT_RDP;
+
+/* Initialise TCP transport data packet */
+STREAM
+tcp_init(uint32 maxlen)
+{
+ if (maxlen > out.size)
+ {
+ out.data = (uint8 *) xrealloc(out.data, maxlen);
+ out.size = maxlen;
+ }
+
+ out.p = out.data;
+ out.end = out.data + out.size;
+ return &out;
+}
+
+/* Send TCP transport data packet */
+void
+tcp_send(STREAM s)
+{
+ int length = s->end - s->data;
+ int sent, total = 0;
+
+ while (total < length)
+ {
+ sent = send(sock, s->data + total, length - total, 0);
+ if (sent <= 0)
+ {
+ error("send: %s\n", strerror(errno));
+ return;
+ }
+
+ total += sent;
+ }
+}
+
+/* Receive a message on the TCP layer */
+STREAM
+tcp_recv(STREAM s, uint32 length)
+{
+ unsigned int new_length, end_offset, p_offset;
+ int rcvd = 0;
+
+ if (s == NULL)
+ {
+ /* read into "new" stream */
+ if (length > in.size)
+ {
+ in.data = (uint8 *) xrealloc(in.data, length);
+ in.size = length;
+ }
+ in.end = in.p = in.data;
+ s = &in;
+ }
+ else
+ {
+ /* append to existing stream */
+ new_length = (s->end - s->data) + length;
+ if (new_length > s->size)
+ {
+ p_offset = s->p - s->data;
+ end_offset = s->end - s->data;
+ s->data = (uint8 *) xrealloc(s->data, new_length);
+ s->size = new_length;
+ s->p = s->data + p_offset;
+ s->end = s->data + end_offset;
+ }
+ }
+
+ while (length > 0)
+ {
+ if (!ui_select(sock))
+ /* User quit */
+ return NULL;
+
+ rcvd = recv(sock, s->end, length, 0);
+ if (rcvd < 0)
+ {
+ error("recv: %s\n", strerror(errno));
+ return NULL;
+ }
+ else if (rcvd == 0)
+ {
+ error("Connection closed\n");
+ return NULL;
+ }
+
+ s->end += rcvd;
+ length -= rcvd;
+ }
+
+ return s;
+}
+
+/* Establish a connection on the TCP layer */
+BOOL
+tcp_connect(char *server)
+{
+ int true_value = 1;
+
+#ifdef IPv6
+
+ int n;
+ struct addrinfo hints, *res, *ressave;
+ char tcp_port_rdp_s[10];
+
+ snprintf(tcp_port_rdp_s, 10, "%d", g_tcp_port_rdp);
+
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+
+ if ((n = getaddrinfo(server, tcp_port_rdp_s, &hints, &res)))
+ {
+ error("getaddrinfo: %s\n", gai_strerror(n));
+ return False;
+ }
+
+ ressave = res;
+ sock = -1;
+ while (res)
+ {
+ sock = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+ if (!(sock < 0))
+ {
+ if (connect(sock, res->ai_addr, res->ai_addrlen) == 0)
+ break;
+ close(sock);
+ sock = -1;
+ }
+ res = res->ai_next;
+ }
+ freeaddrinfo(ressave);
+
+ if (sock == -1)
+ {
+ error("%s: unable to connect\n", server);
+ return False;
+ }
+
+#else /* no IPv6 support */
+
+ struct hostent *nslookup;
+ struct sockaddr_in servaddr;
+
+ if ((nslookup = gethostbyname(server)) != NULL)
+ {
+ memcpy(&servaddr.sin_addr, nslookup->h_addr, sizeof(servaddr.sin_addr));
+ }
+ else if ((servaddr.sin_addr.s_addr = inet_addr(server)) == INADDR_NONE)
+ {
+ error("%s: unable to resolve host\n", server);
+ return False;
+ }
+
+ if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+ {
+ error("socket: %s\n", strerror(errno));
+ return False;
+ }
+
+ servaddr.sin_family = AF_INET;
+ servaddr.sin_port = htons(g_tcp_port_rdp);
+
+ if (connect(sock, (struct sockaddr *) &servaddr, sizeof(struct sockaddr)) < 0)
+ {
+ error("connect: %s\n", strerror(errno));
+ close(sock);
+ return False;
+ }
+
+#endif /* IPv6 */
+
+ setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void *) &true_value, sizeof(true_value));
+
+ in.size = 4096;
+ in.data = (uint8 *) xmalloc(in.size);
+
+ out.size = 4096;
+ out.data = (uint8 *) xmalloc(out.size);
+
+ return True;
+}
+
+/* Disconnect on the TCP layer */
+void
+tcp_disconnect(void)
+{
+ close(sock);
+}
+
+char *
+tcp_get_address()
+{
+ static char ipaddr[32];
+ struct sockaddr_in sockaddr;
+ socklen_t len = sizeof(sockaddr);
+ if (getsockname(sock, (struct sockaddr *) &sockaddr, &len) == 0)
+ {
+ unsigned char *ip = (unsigned char *) &sockaddr.sin_addr;
+ sprintf(ipaddr, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
+ }
+ else
+ strcpy(ipaddr, "127.0.0.1");
+ return ipaddr;
+}
+
+/* reset the state of the tcp layer */
+/* Support for Session Directory */
+void
+tcp_reset_state(void)
+{
+ sock = -1; /* reset socket */
+
+ /* Clear the incoming stream */
+ if (in.data != NULL)
+ xfree(in.data);
+ in.p = NULL;
+ in.end = NULL;
+ in.data = NULL;
+ in.size = 0;
+ in.iso_hdr = NULL;
+ in.mcs_hdr = NULL;
+ in.sec_hdr = NULL;
+ in.rdp_hdr = NULL;
+ in.channel_hdr = NULL;
+
+ /* Clear the outgoing stream */
+ if (out.data != NULL)
+ xfree(out.data);
+ out.p = NULL;
+ out.end = NULL;
+ out.data = NULL;
+ out.size = 0;
+ out.iso_hdr = NULL;
+ out.mcs_hdr = NULL;
+ out.sec_hdr = NULL;
+ out.rdp_hdr = NULL;
+ out.channel_hdr = NULL;
+}
diff --git a/uirdesktop/types.h b/uirdesktop/types.h
new file mode 100644
index 00000000..eed9d8ab
--- /dev/null
+++ b/uirdesktop/types.h
@@ -0,0 +1,268 @@
+/*
+ rdesktop: A Remote Desktop Protocol client.
+ Common data types
+ Copyright (C) Matthew Chapman 1999-2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+typedef int BOOL;
+
+#ifndef True
+#define True (1)
+#define False (0)
+#endif
+
+typedef unsigned char uint8;
+typedef signed char sint8;
+typedef unsigned short uint16;
+typedef signed short sint16;
+typedef unsigned int uint32;
+typedef signed int sint32;
+
+typedef void *HBITMAP;
+typedef void *HGLYPH;
+typedef void *HCOLOURMAP;
+typedef void *HCURSOR;
+
+typedef struct _POINT
+{
+ sint16 x, y;
+}
+POINT;
+
+typedef struct _COLOURENTRY
+{
+ uint8 red;
+ uint8 green;
+ uint8 blue;
+
+}
+COLOURENTRY;
+
+typedef struct _COLOURMAP
+{
+ uint16 ncolours;
+ COLOURENTRY *colours;
+
+}
+COLOURMAP;
+
+typedef struct _BOUNDS
+{
+ sint16 left;
+ sint16 top;
+ sint16 right;
+ sint16 bottom;
+
+}
+BOUNDS;
+
+typedef struct _PEN
+{
+ uint8 style;
+ uint8 width;
+ uint32 colour;
+
+}
+PEN;
+
+typedef struct _BRUSH
+{
+ uint8 xorigin;
+ uint8 yorigin;
+ uint8 style;
+ uint8 pattern[8];
+
+}
+BRUSH;
+
+typedef struct _FONTGLYPH
+{
+ sint16 offset;
+ sint16 baseline;
+ uint16 width;
+ uint16 height;
+ HBITMAP pixmap;
+
+}
+FONTGLYPH;
+
+typedef struct _DATABLOB
+{
+ void *data;
+ int size;
+
+}
+DATABLOB;
+
+typedef struct _key_translation
+{
+ /* For normal scancode translations */
+ uint8 scancode;
+ uint16 modifiers;
+ /* For sequences. If keysym is nonzero, the fields above are not used. */
+ uint32 seq_keysym; /* Really KeySym */
+ struct _key_translation *next;
+}
+key_translation;
+
+typedef struct _VCHANNEL
+{
+ uint16 mcs_id;
+ char name[8];
+ uint32 flags;
+ struct stream in;
+ void (*process) (STREAM);
+}
+VCHANNEL;
+
+/* PSTCACHE */
+typedef uint8 HASH_KEY[8];
+
+/* Header for an entry in the persistent bitmap cache file */
+typedef struct _PSTCACHE_CELLHEADER
+{
+ HASH_KEY key;
+ uint8 width, height;
+ uint16 length;
+ uint32 stamp;
+}
+CELLHEADER;
+
+#define MAX_CBSIZE 256
+
+/* RDPSND */
+typedef struct
+{
+ uint16 wFormatTag;
+ uint16 nChannels;
+ uint32 nSamplesPerSec;
+ uint32 nAvgBytesPerSec;
+ uint16 nBlockAlign;
+ uint16 wBitsPerSample;
+ uint16 cbSize;
+ uint8 cb[MAX_CBSIZE];
+} WAVEFORMATEX;
+
+typedef struct _RDPCOMP
+{
+ uint32 roff;
+ uint8 hist[RDP_MPPC_DICT_SIZE];
+ struct stream ns;
+}
+RDPCOMP;
+
+/* RDPDR */
+typedef uint32 NTSTATUS;
+typedef uint32 NTHANDLE;
+
+typedef struct _DEVICE_FNS
+{
+ NTSTATUS(*create) (uint32 device, uint32 desired_access, uint32 share_mode,
+ uint32 create_disposition, uint32 flags_and_attributes, char *filename,
+ NTHANDLE * handle);
+ NTSTATUS(*close) (NTHANDLE handle);
+ NTSTATUS(*read) (NTHANDLE handle, uint8 * data, uint32 length, uint32 offset,
+ uint32 * result);
+ NTSTATUS(*write) (NTHANDLE handle, uint8 * data, uint32 length, uint32 offset,
+ uint32 * result);
+ NTSTATUS(*device_control) (NTHANDLE handle, uint32 request, STREAM in, STREAM out);
+}
+DEVICE_FNS;
+
+
+typedef struct rdpdr_device_info
+{
+ uint32 device_type;
+ NTHANDLE handle;
+ char name[8];
+ char *local_path;
+ void *pdevice_data;
+}
+RDPDR_DEVICE;
+
+typedef struct rdpdr_serial_device_info
+{
+ int dtr;
+ int rts;
+ uint32 control, xonoff, onlimit, offlimit;
+ uint32 baud_rate,
+ queue_in_size,
+ queue_out_size,
+ wait_mask,
+ read_interval_timeout,
+ read_total_timeout_multiplier,
+ read_total_timeout_constant,
+ write_total_timeout_multiplier, write_total_timeout_constant, posix_wait_mask;
+ uint8 stop_bits, parity, word_length;
+ uint8 chars[6];
+ struct termios *ptermios, *pold_termios;
+ int event_txempty, event_cts, event_dsr, event_rlsd, event_pending;
+}
+SERIAL_DEVICE;
+
+typedef struct rdpdr_parallel_device_info
+{
+ char *driver, *printer;
+ uint32 queue_in_size,
+ queue_out_size,
+ wait_mask,
+ read_interval_timeout,
+ read_total_timeout_multiplier,
+ read_total_timeout_constant,
+ write_total_timeout_multiplier,
+ write_total_timeout_constant, posix_wait_mask, bloblen;
+ uint8 *blob;
+}
+PARALLEL_DEVICE;
+
+typedef struct rdpdr_printer_info
+{
+ FILE *printer_fp;
+ char *driver, *printer;
+ uint32 bloblen;
+ uint8 *blob;
+ BOOL default_printer;
+}
+PRINTER;
+
+typedef struct notify_data
+{
+ time_t modify_time;
+ time_t status_time;
+ time_t total_time;
+ unsigned int num_entries;
+}
+NOTIFY;
+
+#ifndef PATH_MAX
+#define PATH_MAX 256
+#endif
+
+typedef struct fileinfo
+{
+ uint32 device_id, flags_and_attributes, accessmask;
+ char path[PATH_MAX];
+ DIR *pdir;
+ struct dirent *pdirent;
+ char pattern[PATH_MAX];
+ BOOL delete_on_close;
+ NOTIFY notify;
+ uint32 info_class;
+}
+FILEINFO;
+
+typedef BOOL(*str_handle_lines_t) (const char *line, void *data);
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-12 08:04:23 +0000