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-rw-r--r--sesman/libscp/libscp_v1c.c448
1 files changed, 448 insertions, 0 deletions
diff --git a/sesman/libscp/libscp_v1c.c b/sesman/libscp/libscp_v1c.c
new file mode 100644
index 00000000..a103649e
--- /dev/null
+++ b/sesman/libscp/libscp_v1c.c
@@ -0,0 +1,448 @@
+/*
+ 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.
+
+ xrdp: A Remote Desktop Protocol server.
+ Copyright (C) Jay Sorg 2005-2007
+*/
+
+/**
+ *
+ * @file libscp_v1c.c
+ * @brief libscp version 1 client api code
+ * @author Simone Fedele
+ *
+ */
+
+#include "libscp_v1c.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+static enum SCP_CLIENT_STATES_E _scp_v1c_check_response(struct SCP_CONNECTION* c, struct SCP_SESSION* s);
+
+/* client API */
+/* 001 */
+enum SCP_CLIENT_STATES_E scp_v1c_connect(struct SCP_CONNECTION* c, struct SCP_SESSION* s)
+{
+ tui8 sz;
+ tui32 size;
+
+ init_stream(c->out_s, c->out_s->size);
+ init_stream(c->in_s, c->in_s->size);
+
+ size=19+17+4+ g_strlen(s->hostname) + g_strlen(s->username) + g_strlen(s->password);
+ if (s->addr_type==SCP_ADDRESS_TYPE_IPV4)
+ {
+ size=size+4;
+ }
+ else
+ {
+ size=size+16;
+ }
+
+ /* sending request */
+
+ /* header */
+ out_uint32_be(c->out_s, 1); /* version */
+ out_uint32_be(c->out_s, size);
+ out_uint16_be(c->out_s, SCP_COMMAND_SET_DEFAULT);
+ out_uint16_be(c->out_s, 1);
+
+ /* body */
+ out_uint8(c->out_s, s->type);
+ out_uint16_be(c->out_s, s->height);
+ out_uint16_be(c->out_s, s->width);
+ out_uint8(c->out_s, s->bpp);
+ out_uint8(c->out_s, s->rsr);
+ out_uint8p(c->out_s, s->locale, 17);
+ out_uint8(c->out_s, s->addr_type);
+
+ if (s->addr_type==SCP_ADDRESS_TYPE_IPV4)
+ {
+ out_uint32_be(c->out_s, s->ipv4addr);
+ }
+ else
+ {
+ #warning ipv6 address needed
+ }
+
+ sz=g_strlen(s->hostname);
+ out_uint8(c->out_s, sz);
+ out_uint8p(c->out_s, s->hostname, sz);
+ sz=g_strlen(s->username);
+ out_uint8(c->out_s, sz);
+ out_uint8p(c->out_s, s->username, sz);
+ sz=g_strlen(s->password);
+ out_uint8(c->out_s, sz);
+ out_uint8p(c->out_s, s->password, sz);
+
+ if (0!=scp_tcp_force_send(c->in_sck, c->out_s->data, size))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ /* wait for response */
+ return _scp_v1c_check_response(c, s);
+}
+
+/* 004 */
+enum SCP_CLIENT_STATES_E scp_v1c_resend_credentials(struct SCP_CONNECTION* c, struct SCP_SESSION* s)
+{
+ tui8 sz;
+ tui32 size;
+
+ init_stream(c->out_s, c->out_s->size);
+ init_stream(c->in_s, c->in_s->size);
+
+ size=12+2+g_strlen(s->username)+g_strlen(s->password);
+
+ /* sending request */
+ /* header */
+ out_uint32_be(c->out_s, 1); /* version */
+ out_uint32_be(c->out_s, size);
+ out_uint16_be(c->out_s, SCP_COMMAND_SET_DEFAULT);
+ out_uint16_be(c->out_s, 4);
+
+ /* body */
+ sz=g_strlen(s->username);
+ out_uint8(c->out_s, sz);
+ out_uint8p(c->out_s, s->username, sz);
+ sz=g_strlen(s->password);
+ out_uint8(c->out_s, sz);
+ out_uint8p(c->out_s, s->password, sz);
+
+ if (0!=scp_tcp_force_send(c->in_sck, c->out_s->data, size))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ /* wait for response */
+ return _scp_v1c_check_response(c, s);
+}
+
+/* 021 */ enum SCP_CLIENT_STATES_E scp_v1c_pwd_change(struct SCP_CONNECTION* c, char* newpass);
+/* 022 */ enum SCP_CLIENT_STATES_E scp_v1c_pwd_change_cancel(struct SCP_CONNECTION* c);
+
+/* 041 */
+enum SCP_CLIENT_STATES_E
+scp_v1c_get_session_list(struct SCP_CONNECTION* c, int* scount, struct SCP_DISCONNECTED_SESSION** s)
+{
+ tui32 version=1;
+ tui32 size=12;
+ tui16 cmd=41;
+ tui32 sescnt=0; /* total session number */
+ tui32 sestmp=0; /* additional total session number */
+ tui8 pktcnt=0; /* packet session count */
+ tui32 totalcnt=0; /* session counter */
+ tui8 continued=0; /* continue flag */
+ int firstpkt=1; /* "first packet" flag */
+ int idx;
+ struct SCP_DISCONNECTED_SESSION* ds=0;
+
+ init_stream(c->out_s, c->out_s->size);
+
+ /* we request session list */
+ out_uint32_be(c->out_s, version); /* version */
+ out_uint32_be(c->out_s, size); /* size */
+ out_uint16_be(c->out_s, SCP_COMMAND_SET_DEFAULT); /* cmdset */
+ out_uint16_be(c->out_s, cmd); /* cmd */
+
+ if (0!=scp_tcp_force_send(c->in_sck, c->out_s->data, size))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ do
+ {
+ /* then we wait for server response */
+ init_stream(c->in_s, c->in_s->size);
+ if (0!=scp_tcp_force_recv(c->in_sck, c->in_s->data, 8))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ in_uint32_be(c->in_s, version);
+ if (version!=1)
+ {
+ return SCP_CLIENT_STATE_VERSION_ERR;
+ }
+
+ in_uint32_be(c->in_s, size);
+ if (size<12)
+ {
+ return SCP_CLIENT_STATE_SIZE_ERR;
+ }
+
+ init_stream(c->in_s, c->in_s->size);
+ if (0!=scp_tcp_force_recv(c->in_sck, c->in_s->data, size-8))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ in_uint16_be(c->in_s, cmd);
+ if (cmd!=SCP_COMMAND_SET_DEFAULT)
+ {
+ return SCP_CLIENT_STATE_SEQUENCE_ERR;
+ }
+
+ in_uint16_be(c->in_s, cmd);
+ if (cmd!=42)
+ {
+ return SCP_CLIENT_STATE_SEQUENCE_ERR;
+ }
+
+ if (firstpkt)
+ {
+ firstpkt = 0;
+ in_uint32_be(c->in_s, sescnt);
+ sestmp = sescnt;
+
+ ds = g_malloc(sizeof(struct SCP_DISCONNECTED_SESSION)*sescnt, 0);
+ if (ds == 0)
+ {
+ return SCP_CLIENT_STATE_INTERNAL_ERR;
+ }
+ }
+ else
+ {
+ in_uint32_be(c->in_s, sestmp);
+ }
+ in_uint8(c->in_s, continued);
+ in_uint8(c->in_s, pktcnt);
+
+ for (idx=0; idx<pktcnt; idx++)
+ {
+ in_uint32_be(c->in_s, (ds[totalcnt]).SID); /* session id */
+ in_uint8(c->in_s, (ds[totalcnt]).type);
+ in_uint16_be(c->in_s, (ds[totalcnt]).height);
+ in_uint16_be(c->in_s, (ds[totalcnt]).width);
+ in_uint8(c->in_s, (ds[totalcnt]).bpp);
+ in_uint8(c->in_s, (ds[totalcnt]).idle_days);
+ in_uint8(c->in_s, (ds[totalcnt]).idle_hours);
+ in_uint8(c->in_s, (ds[totalcnt]).idle_minutes);
+ totalcnt++;
+ }
+ }
+ while (continued);
+
+ printf("fine\n");
+ /* return data... */
+ (*scount) = sescnt;
+ (*s) = ds;
+
+ return SCP_CLIENT_STATE_LIST_OK;
+}
+
+/* 043 */
+enum SCP_CLIENT_STATES_E
+scp_v1c_select_session(struct SCP_CONNECTION* c, struct SCP_SESSION* s, SCP_SID sid)
+{
+ tui32 version = 1;
+ tui32 size = 16;
+ tui16 cmd = 43;
+
+ init_stream(c->out_s, c->out_s->size);
+
+ /* sending our selection */
+ out_uint32_be(c->out_s, version); /* version */
+ out_uint32_be(c->out_s, size); /* size */
+ out_uint16_be(c->out_s, SCP_COMMAND_SET_DEFAULT); /* cmdset */
+ out_uint16_be(c->out_s, cmd); /* cmd */
+
+ out_uint32_be(c->out_s, sid);
+
+ if (0!=scp_tcp_force_send(c->in_sck, c->out_s->data, size))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ /* waiting for response.... */
+ init_stream(c->in_s, c->in_s->size);
+ if (0!=scp_tcp_force_recv(c->in_sck, c->in_s->data, 8))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ in_uint32_be(c->in_s, version);
+ if (version!=1)
+ {
+ return SCP_CLIENT_STATE_VERSION_ERR;
+ }
+
+ in_uint32_be(c->in_s, size);
+ if (size<12)
+ {
+ return SCP_CLIENT_STATE_SIZE_ERR;
+ }
+
+ init_stream(c->in_s, c->in_s->size);
+ /* read the rest of the packet */
+ if (0!=scp_tcp_force_recv(c->in_sck, c->in_s->data, size-8))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ in_uint16_be(c->in_s, cmd);
+ if (cmd != SCP_COMMAND_SET_DEFAULT)
+ {
+ return SCP_CLIENT_STATE_SEQUENCE_ERR;
+ }
+
+ in_uint16_be(c->in_s, cmd);
+ if (cmd != 46)
+ {
+ return SCP_CLIENT_STATE_SEQUENCE_ERR;
+ }
+
+ /* session display */
+ in_uint16_be(c->in_s, (s->display));
+ /*we don't need to return any data other than the display */
+ /*because we already sent that */
+
+ return SCP_CLIENT_STATE_OK;
+}
+
+/* 044 */
+enum SCP_CLIENT_STATES_E
+scp_v1c_select_session_cancel(struct SCP_CONNECTION* c)
+{
+ tui32 version = 1;
+ tui32 size = 12;
+ tui16 cmd = 44;
+
+ init_stream(c->out_s, c->out_s->size);
+
+ /* sending our selection */
+ out_uint32_be(c->out_s, version); /* version */
+ out_uint32_be(c->out_s, size); /* size */
+ out_uint16_be(c->out_s, SCP_COMMAND_SET_DEFAULT); /* cmdset */
+ out_uint16_be(c->out_s, cmd); /* cmd */
+
+ if (0!=scp_tcp_force_send(c->in_sck, c->out_s->data, size))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ return SCP_CLIENT_STATE_END;
+}
+
+static enum SCP_CLIENT_STATES_E _scp_v1c_check_response(struct SCP_CONNECTION* c, struct SCP_SESSION* s)
+{
+ tui32 version;
+ tui32 size;
+ tui16 cmd;
+ tui16 dim;
+
+ init_stream(c->in_s, c->in_s->size);
+ if (0!=scp_tcp_force_recv(c->in_sck, c->in_s->data, 8))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ in_uint32_be(c->in_s, version);
+ if (version!=1)
+ {
+ return SCP_CLIENT_STATE_VERSION_ERR;
+ }
+
+ in_uint32_be(c->in_s, size);
+
+ init_stream(c->in_s, c->in_s->size);
+ /* read the rest of the packet */
+ if (0!=scp_tcp_force_recv(c->in_sck, c->in_s->data, size-8))
+ {
+ return SCP_CLIENT_STATE_NETWORK_ERR;
+ }
+
+ in_uint16_be(c->in_s, cmd);
+ if (cmd!=SCP_COMMAND_SET_DEFAULT)
+ {
+ return SCP_CLIENT_STATE_SEQUENCE_ERR;
+ }
+
+ in_uint16_be(c->in_s, cmd)
+ if (cmd==2) /* connection denied */
+ {
+ in_uint16_be(c->in_s, dim);
+ if (s->errstr!=0)
+ {
+ g_free(s->errstr);
+ }
+ s->errstr=g_malloc(dim+1,0);
+ if (s->errstr==0)
+ {
+ return SCP_CLIENT_STATE_INTERNAL_ERR;
+ }
+ in_uint8a(c->in_s, s->errstr, dim);
+ (s->errstr)[dim]='\0';
+
+ return SCP_CLIENT_STATE_CONNECTION_DENIED;
+ }
+ else if (cmd==3) /* resend usr/pwd */
+ {
+ in_uint16_be(c->in_s, dim);
+ if (s->errstr!=0)
+ {
+ g_free(s->errstr);
+ }
+ s->errstr=g_malloc(dim+1,0);
+ if (s->errstr==0)
+ {
+ return SCP_CLIENT_STATE_INTERNAL_ERR;
+ }
+ in_uint8a(c->in_s, s->errstr, dim);
+ (s->errstr)[dim]='\0';
+
+ return SCP_CLIENT_STATE_RESEND_CREDENTIALS;
+ }
+ else if (cmd==20) /* password change */
+ {
+ in_uint16_be(c->in_s, dim);
+ if (s->errstr!=0)
+ {
+ g_free(s->errstr);
+ }
+ s->errstr=g_malloc(dim+1,0);
+ if (s->errstr==0)
+ {
+ return SCP_CLIENT_STATE_INTERNAL_ERR;
+ }
+ in_uint8a(c->in_s, s->errstr, dim);
+ (s->errstr)[dim]='\0';
+
+ return SCP_CLIENT_STATE_PWD_CHANGE_REQ;
+ }
+ else if (cmd==30) /* display */
+ {
+ in_uint16_be(c->in_s, s->display);
+
+ return SCP_CLIENT_STATE_OK;
+ }
+ //else if (cmd==31) /* there's a disconnected session */
+ //{
+ // return SCP_CLIENT_STATE_RECONNECT_SINGLE;
+ //}
+ //else if (cmd==33) /* display of a disconnected session */
+ //{
+ // return SCP_CLIENT_STATE_RECONNECT;
+ //}
+ else if (cmd==40) /* session list */
+ {
+ return SCP_CLIENT_STATE_SESSION_LIST;
+ }
+
+ return SCP_CLIENT_STATE_SEQUENCE_ERR;
+}
+
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