|
|
|
|
@ -17,10 +17,12 @@
|
|
|
|
|
*
|
|
|
|
|
* module manager
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#define ACCESS
|
|
|
|
|
#include "xrdp.h"
|
|
|
|
|
#include "log.h"
|
|
|
|
|
#define ACCESS
|
|
|
|
|
#ifdef ACCESS
|
|
|
|
|
#include "security/_pam_types.h"
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
struct xrdp_mm *APP_CC
|
|
|
|
|
@ -187,9 +189,17 @@ xrdp_mm_send_login(struct xrdp_mm *self)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* send domain */
|
|
|
|
|
if(self->wm->client_info->domain[0]!='_')
|
|
|
|
|
{
|
|
|
|
|
index = g_strlen(self->wm->client_info->domain);
|
|
|
|
|
out_uint16_be(s, index);
|
|
|
|
|
out_uint8a(s, self->wm->client_info->domain, index);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
out_uint16_be(s, 0);
|
|
|
|
|
/* out_uint8a(s, "", 0); */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* send program / shell */
|
|
|
|
|
index = g_strlen(self->wm->client_info->program);
|
|
|
|
|
@ -1060,12 +1070,12 @@ xrdp_mm_sesman_data_in(struct trans *trans)
|
|
|
|
|
int access_control(char *username, char *password, char *srv)
|
|
|
|
|
{
|
|
|
|
|
int reply;
|
|
|
|
|
int rec = 1; // failure
|
|
|
|
|
int rec = 32+1; /* 32 is reserved for PAM failures this means connect failure */
|
|
|
|
|
struct stream *in_s;
|
|
|
|
|
struct stream *out_s;
|
|
|
|
|
unsigned long version;
|
|
|
|
|
unsigned short int dummy;
|
|
|
|
|
unsigned short int ok;
|
|
|
|
|
unsigned short int pAM_errorcode;
|
|
|
|
|
unsigned short int code;
|
|
|
|
|
unsigned long size;
|
|
|
|
|
int index;
|
|
|
|
|
@ -1117,17 +1127,17 @@ int access_control(char *username, char *password, char *srv)
|
|
|
|
|
if ((size == 14) && (version == 0))
|
|
|
|
|
{
|
|
|
|
|
in_uint16_be(in_s, code);
|
|
|
|
|
in_uint16_be(in_s, ok);
|
|
|
|
|
in_uint16_be(in_s, pAM_errorcode); /* this variable holds the PAM error code if the variable is >32 it is a "invented" code */
|
|
|
|
|
in_uint16_be(in_s, dummy);
|
|
|
|
|
|
|
|
|
|
if (code != 4)
|
|
|
|
|
if (code != 4) /*0x04 means SCP_GW_AUTHENTICATION*/
|
|
|
|
|
{
|
|
|
|
|
log_message(LOG_LEVEL_ERROR, "Returned cmd code from "
|
|
|
|
|
"sesman is corrupt");
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
rec = ok; /* here we read the reply from the access control */
|
|
|
|
|
rec = pAM_errorcode; /* here we read the reply from the access control */
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
@ -1189,6 +1199,82 @@ void cleanup_states(struct xrdp_mm *self)
|
|
|
|
|
self-> usechansrv = 0; /* true if chansrvport is set in xrdp.ini or using sesman */
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#ifdef ACCESS
|
|
|
|
|
const char *getPAMError(const int pamError)
|
|
|
|
|
{
|
|
|
|
|
switch(pamError){
|
|
|
|
|
case PAM_SUCCESS:
|
|
|
|
|
return "Success";
|
|
|
|
|
case PAM_OPEN_ERR:
|
|
|
|
|
return "dlopen() failure";
|
|
|
|
|
case PAM_SYMBOL_ERR:
|
|
|
|
|
return "Symbol not found";
|
|
|
|
|
case PAM_SERVICE_ERR:
|
|
|
|
|
return "Error in service module";
|
|
|
|
|
case PAM_SYSTEM_ERR:
|
|
|
|
|
return "System error";
|
|
|
|
|
case PAM_BUF_ERR:
|
|
|
|
|
return "Memory buffer error";
|
|
|
|
|
case PAM_PERM_DENIED:
|
|
|
|
|
return "Permission denied";
|
|
|
|
|
case PAM_AUTH_ERR:
|
|
|
|
|
return "Authentication failure";
|
|
|
|
|
case PAM_CRED_INSUFFICIENT:
|
|
|
|
|
return "Insufficient credentials to access authentication data";
|
|
|
|
|
case PAM_AUTHINFO_UNAVAIL:
|
|
|
|
|
return "Authentication service cannot retrieve authentication info.";
|
|
|
|
|
case PAM_USER_UNKNOWN:
|
|
|
|
|
return "User not known to the underlying authentication module";
|
|
|
|
|
case PAM_MAXTRIES:
|
|
|
|
|
return "Have exhasted maximum number of retries for service.";
|
|
|
|
|
case PAM_NEW_AUTHTOK_REQD:
|
|
|
|
|
return "Authentication token is no longer valid; new one required.";
|
|
|
|
|
case PAM_ACCT_EXPIRED:
|
|
|
|
|
return "User account has expired";
|
|
|
|
|
case PAM_CRED_UNAVAIL:
|
|
|
|
|
return "Authentication service cannot retrieve user credentials";
|
|
|
|
|
case PAM_CRED_EXPIRED:
|
|
|
|
|
return "User credentials expired";
|
|
|
|
|
case PAM_CRED_ERR:
|
|
|
|
|
return "Failure setting user credentials";
|
|
|
|
|
case PAM_NO_MODULE_DATA:
|
|
|
|
|
return "No module specific data is present";
|
|
|
|
|
case PAM_BAD_ITEM:
|
|
|
|
|
return "Bad item passed to pam_*_item()";
|
|
|
|
|
case PAM_CONV_ERR:
|
|
|
|
|
return "Conversation error";
|
|
|
|
|
case PAM_AUTHTOK_ERR:
|
|
|
|
|
return "Authentication token manipulation error";
|
|
|
|
|
case PAM_AUTHTOK_LOCK_BUSY:
|
|
|
|
|
return "Authentication token lock busy";
|
|
|
|
|
case PAM_AUTHTOK_DISABLE_AGING:
|
|
|
|
|
return "Authentication token aging disabled";
|
|
|
|
|
case PAM_TRY_AGAIN:
|
|
|
|
|
return "Failed preliminary check by password service";
|
|
|
|
|
case PAM_IGNORE:
|
|
|
|
|
return "Please ignore underlying account module";
|
|
|
|
|
case PAM_MODULE_UNKNOWN:
|
|
|
|
|
return "Module is unknown";
|
|
|
|
|
case PAM_AUTHTOK_EXPIRED:
|
|
|
|
|
return "Authentication token expired";
|
|
|
|
|
case PAM_CONV_AGAIN:
|
|
|
|
|
return "Conversation is waiting for event";
|
|
|
|
|
case PAM_INCOMPLETE:
|
|
|
|
|
return "Application needs to call libpam again";
|
|
|
|
|
case 32+1:
|
|
|
|
|
return "Error connecting to PAM";
|
|
|
|
|
case 32+3:
|
|
|
|
|
return "Username okey but group problem";
|
|
|
|
|
default:{
|
|
|
|
|
char replytxt[80];
|
|
|
|
|
g_sprintf(replytxt,"Not defined PAM error:%d",pamError);
|
|
|
|
|
return replytxt ;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
int APP_CC
|
|
|
|
|
xrdp_mm_connect(struct xrdp_mm *self)
|
|
|
|
|
@ -1282,7 +1368,6 @@ xrdp_mm_connect(struct xrdp_mm *self)
|
|
|
|
|
{
|
|
|
|
|
int reply;
|
|
|
|
|
char replytxt[80];
|
|
|
|
|
char replymessage[4][80] = {"Ok", "Sesman connect failure", "User or password error", "Privilege group error"};
|
|
|
|
|
xrdp_wm_log_msg(self->wm, "Please wait, we now perform access control...");
|
|
|
|
|
|
|
|
|
|
/* g_writeln("we use pam modules to check if we can approve this user"); */
|
|
|
|
|
@ -1301,14 +1386,7 @@ xrdp_mm_connect(struct xrdp_mm *self)
|
|
|
|
|
/* access_control return 0 on success */
|
|
|
|
|
reply = access_control(pam_auth_username, pam_auth_password, pam_auth_sessionIP);
|
|
|
|
|
|
|
|
|
|
if (reply >= 0 && reply < 4)
|
|
|
|
|
{
|
|
|
|
|
g_sprintf(replytxt, "Reply from access control: %s", replymessage[reply]);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
g_sprintf(replytxt, "Reply from access control undefined");
|
|
|
|
|
}
|
|
|
|
|
g_sprintf(replytxt, "Reply from access control: %s", getPAMError(reply));
|
|
|
|
|
|
|
|
|
|
xrdp_wm_log_msg(self->wm, replytxt);
|
|
|
|
|
log_message(LOG_LEVEL_INFO, replytxt);
|
|
|
|
|
|
ArvidNorr
12 years ago