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Move xrdp to new SCP interface

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This commit is contained in:
matt335672 2022-02-14 13:55:08 +00:00
parent c0cb03801c
commit a55992b1a0
2 changed files with 106 additions and 87 deletions
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4
xrdp/Makefile.am
View File

@ -12,7 +12,7 @@ AM_CPPFLAGS = \
-DXRDP_SOCKET_PATH=\"${socketdir}\" \
-I$(top_builddir) \
-I$(top_srcdir)/common \
-I$(top_srcdir)/sesman/libscp \
-I$(top_srcdir)/libipm \
-I$(top_srcdir)/libxrdp \
$(IMLIB2_CFLAGS)
@ -62,7 +62,7 @@ xrdp_SOURCES = \
xrdp_LDADD = \
$(top_builddir)/common/libcommon.la \
$(top_builddir)/sesman/libscp/libscp.la \
$(top_builddir)/libipm/libipm.la \
$(top_builddir)/libxrdp/libxrdp.la \
$(IMLIB2_LIBS) \
$(XRDP_EXTRA_LIBS)

189
xrdp/xrdp_mm.c
View File

@ -28,7 +28,7 @@
#include "ms-rdpedisp.h"
#include "ms-rdpbcgr.h"
#include "libscp_connection.h"
#include "scp.h"
#ifdef USE_PAM
#if defined(HAVE__PAM_TYPES_H)
@ -225,23 +225,10 @@ static int
xrdp_mm_send_gateway_login(struct xrdp_mm *self, const char *username,
const char *password)
{
int rv = 0;
enum SCP_CLIENT_STATES_E e;
xrdp_wm_log_msg(self->wm, LOG_LEVEL_DEBUG,
"sending login info to session manager, please wait...");
e = scp_v0c_gateway_request(self->pam_auth_trans, username, password);
if (e != SCP_CLIENT_STATE_OK)
{
xrdp_wm_log_msg(self->wm, LOG_LEVEL_WARNING,
"Error sending gateway login request to sesman [%s]",
scp_client_state_to_str(e));
rv = 1;
}
return rv;
return scp_send_gateway_request(self->pam_auth_trans, username, password);
}
/*****************************************************************************/
@ -249,7 +236,6 @@ xrdp_mm_send_gateway_login(struct xrdp_mm *self, const char *username,
static int
xrdp_mm_send_login(struct xrdp_mm *self)
{
enum SCP_CLIENT_STATES_E e;
int rv = 0;
int xserverbpp;
const char *username;
@ -271,44 +257,48 @@ xrdp_mm_send_login(struct xrdp_mm *self)
}
else
{
const char *domain;
enum scp_session_type type;
/* this code is either 0 for Xvnc, 10 for X11rdp or 20 for Xorg */
self->code = xrdp_mm_get_value_int(self, "code", 0);
xserverbpp = xrdp_mm_get_value_int(self, "xserverbpp",
self->wm->screen->bpp);
domain = self->wm->client_info->domain;
/* Don't send domains starting with '_' - see
* xrdp_login_wnd.c:xrdp_wm_parse_domain_information()
*/
if (domain[0] == '_')
switch (self->code)
{
domain = "";
case 0:
type = SCP_SESSION_TYPE_XVNC;
break;
case 10:
type = SCP_SESSION_TYPE_XRDP;
break;
case 20:
type = SCP_SESSION_TYPE_XORG;
break;
default:
xrdp_wm_log_msg(self->wm, LOG_LEVEL_ERROR,
"Unrecognised session code %d", self->code);
rv = 1;
}
xrdp_wm_log_msg(self->wm, LOG_LEVEL_DEBUG,
"sending login info to session manager. "
"Please wait...");
e = scp_v0c_create_session_request(self->sesman_trans,
username,
password,
self->code,
self->wm->screen->width,
self->wm->screen->height,
xserverbpp,
domain,
self->wm->client_info->program,
self->wm->client_info->directory,
self->wm->client_info->connection_description);
if (e != SCP_CLIENT_STATE_OK)
if (rv == 0)
{
xrdp_wm_log_msg(self->wm, LOG_LEVEL_WARNING,
"Error sending create session to sesman [%s]",
scp_client_state_to_str(e));
rv = 1;
xserverbpp = xrdp_mm_get_value_int(self, "xserverbpp",
self->wm->screen->bpp);
xrdp_wm_log_msg(self->wm, LOG_LEVEL_DEBUG,
"sending login info to session manager. "
"Please wait...");
rv = scp_send_create_session_request(
self->sesman_trans,
username,
password,
type,
self->wm->screen->width,
self->wm->screen->height,
xserverbpp,
self->wm->client_info->program,
self->wm->client_info->directory,
self->wm->client_info->connection_description);
}
}
@ -1775,11 +1765,14 @@ xrdp_mm_process_channel_data(struct xrdp_mm *self, tbus param1, tbus param2,
}
/*****************************************************************************/
static void
xrdp_mm_scp_process_msg(struct xrdp_mm *self,
const struct scp_v0_reply_type *msg)
static int
xrdp_mm_process_gateway_response(struct xrdp_mm *self)
{
if (msg->is_gw_auth_response)
int auth_result;
int rv;
rv = scp_get_gateway_response(self->pam_auth_trans, &auth_result);
if (rv == 0)
{
const char *additionalError;
char pam_error[128];
@ -1790,12 +1783,12 @@ xrdp_mm_scp_process_msg(struct xrdp_mm *self,
xrdp_wm_log_msg(self->wm, LOG_LEVEL_INFO,
"Reply from access control: %s",
getPAMError(msg->auth_result,
getPAMError(auth_result,
pam_error, sizeof(pam_error)));
if (msg->auth_result != 0)
if (auth_result != 0)
{
additionalError = getPAMAdditionalErrorInfo(msg->auth_result, self);
additionalError = getPAMAdditionalErrorInfo(auth_result, self);
if (additionalError && additionalError[0])
{
xrdp_wm_log_msg(self->wm, LOG_LEVEL_INFO, "%s",
@ -1812,11 +1805,26 @@ xrdp_mm_scp_process_msg(struct xrdp_mm *self,
xrdp_mm_connect_sm(self);
}
}
else
return rv;
}
/*****************************************************************************/
static int
xrdp_mm_process_create_session_response(struct xrdp_mm *self)
{
int auth_result;
int display;
struct guid guid;
int rv;
rv = scp_get_create_session_response(self->sesman_trans, &auth_result,
&display, &guid);
if (rv == 0)
{
const char *username;
char displayinfo[64];
int auth_successful = (msg->auth_result != 0);
/* Sort out some logging information */
if ((username = xrdp_mm_get_value(self, "username")) == NULL)
@ -1824,7 +1832,7 @@ xrdp_mm_scp_process_msg(struct xrdp_mm *self,
username = "???";
}
if (msg->display == 0)
if (display == 0)
{
/* A returned display of zero doesn't mean anything useful, and
* can confuse the user. It's most likely authentication has
@ -1834,15 +1842,15 @@ xrdp_mm_scp_process_msg(struct xrdp_mm *self,
else
{
g_snprintf(displayinfo, sizeof(displayinfo),
" on display %d", msg->display);
" on display %d", display);
}
xrdp_wm_log_msg(self->wm, LOG_LEVEL_INFO,
"login %s for user %s%s",
(auth_successful ? "successful" : "failed"),
((auth_result == 0) ? "successful" : "failed"),
username, displayinfo);
if (!auth_successful)
if (auth_result != 0)
{
/* Authentication failure */
cleanup_sesman_connection(self);
@ -1852,11 +1860,13 @@ xrdp_mm_scp_process_msg(struct xrdp_mm *self,
{
/* Authentication successful - carry on with the connect
* state machine */
self->display = msg->display;
self->guid = msg->guid;
self->display = display;
self->guid = guid;
xrdp_mm_connect_sm(self);
}
}
return rv;
}
/*****************************************************************************/
@ -1865,30 +1875,37 @@ static int
xrdp_mm_scp_data_in(struct trans *trans)
{
int rv = 0;
int available;
if (trans == NULL)
rv = scp_msg_in_check_available(trans, &available);
if (rv == 0 && available)
{
rv = 1;
}
else if (scp_v0c_reply_available(trans))
{
struct scp_v0_reply_type reply;
struct xrdp_mm *self = (struct xrdp_mm *)(trans->callback_data);
enum SCP_CLIENT_STATES_E e = scp_v0c_get_reply(trans, &reply);
if (e != SCP_CLIENT_STATE_OK)
enum scp_msg_code msgno;
switch ((msgno = scp_msg_in_start(trans)))
{
const char *src = (trans == self->pam_auth_trans)
? "PAM authenticator"
: "sesman";
xrdp_wm_log_msg(self->wm, LOG_LEVEL_ERROR,
"Error reading response from %s [%s]",
src, scp_client_state_to_str(e));
rv = 1;
}
else
{
xrdp_mm_scp_process_msg(self, &reply);
case E_SCP_GATEWAY_RESPONSE:
rv = xrdp_mm_process_gateway_response(self);
break;
case E_SCP_CREATE_SESSION_RESPONSE:
rv = xrdp_mm_process_create_session_response(self);
break;
default:
{
char buff[64];
scp_msgno_to_str(msgno, buff, sizeof(buff));
const char *src = (trans == self->pam_auth_trans)
? "PAM authenticator"
: "sesman";
LOG(LOG_LEVEL_ERROR, "Ignored SCP message %s from %s",
buff, src);
}
}
scp_msg_in_reset(trans);
}
return rv;
@ -2205,11 +2222,13 @@ xrdp_mm_scp_connect(struct xrdp_mm *self, const char *target, const char *ip)
xrdp_mm_get_sesman_port(port, sizeof(port));
xrdp_wm_log_msg(self->wm, LOG_LEVEL_DEBUG,
"connecting to %s on %s:%s", target, ip, port);
t = scp_connect(ip, port, g_is_term,
xrdp_mm_scp_data_in, self);
t = scp_connect(ip, port, g_is_term);
if (t != NULL)
{
/* fully connect */
/* fully connected */
t->trans_data_in = xrdp_mm_scp_data_in;
t->callback_data = self;
xrdp_wm_log_msg(self->wm, LOG_LEVEL_INFO, "%s connect ok", target);
}
else