Initial import of CVS-v2_8_branch

2025-11-26 15:20:29 +01:00 · 2014-08-12 15:13:02 -04:00
commit afd67c7af8
1508 changed files with 405304 additions and 0 deletions
--- a/lib/rdpam.cpp
+++ b/lib/rdpam.cpp
@@ -0,0 +1,110 @@
+// rdpam.cpp
+//
+// Authenticate a PAM name.
+//
+//   (C) Copyright 2010 Fred Gleason <fredg@paravelsystems.com>
+//
+//      $Id: rdpam.cpp,v 1.2.8.1 2012/12/13 22:33:44 cvs Exp $
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   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 <syslog.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <pwd.h>
+
+#include <security/pam_appl.h>
+
+#include <qstringlist.h>
+
+#include <rdpam.h>
+
+int RDPamCallback(int num_msg, const struct pam_message **msg,
+		struct pam_response **resp, void *appdata_ptr)
+{
+  RDPam *pam=(RDPam *)appdata_ptr;
+
+  pam->CleanupPam();
+  *resp=new struct pam_response[num_msg];
+  for(int i=0;i<num_msg;i++) {
+    resp[i]->resp=new char[256];
+    memset(resp[i]->resp,0,256);
+    switch(msg[i]->msg_style) {
+    case PAM_PROMPT_ECHO_OFF:
+      strncpy(resp[i]->resp,pam->system_token,255);
+      break;
+
+    case PAM_PROMPT_ECHO_ON:
+      syslog(LOG_ERR,"unhandled PAM request: %s",msg[i]->msg);
+      break;
+
+    case PAM_ERROR_MSG:
+    case PAM_TEXT_INFO:
+      syslog(LOG_NOTICE,"PAM message: %s",msg[i]->msg);
+      break;
+    }
+  }
+  return 0;
+}
+
+
+RDPam::RDPam(const QString &pam_service)
+{
+  system_pam_response=NULL;
+  system_pam_response_count=0;
+  system_pam_service=pam_service;
+}
+
+
+bool RDPam::authenticate(const QString &username,const QString &token)
+{
+  pam_handle_t *pamh=NULL;
+  struct pam_conv conv;
+  int err;
+
+  system_token=token;
+  memset(&conv,0,sizeof(conv));
+  conv.conv=RDPamCallback;
+  conv.appdata_ptr=(RDPam *)this;
+  if((err=pam_start(system_pam_service,username,&conv,&pamh))!=PAM_SUCCESS) {
+    syslog(LOG_NOTICE,"PAM Error: %s",pam_strerror(pamh,err));
+    pam_end(pamh,err);
+    CleanupPam();
+    return false;
+  }
+  if((err=pam_authenticate(pamh,0))!=PAM_SUCCESS) {
+    pam_end(pamh,err);
+    CleanupPam();
+    return false;
+  }
+  pam_end(pamh,err);
+  CleanupPam();
+  return true;
+}
+
+
+void RDPam::CleanupPam()
+{
+  if(system_pam_response==NULL) {
+    return;
+  }
+  for(int i=0;i<system_pam_response_count;i++) {
+    delete system_pam_response[i].resp;
+  }
+  delete system_pam_response;
+  system_pam_response=NULL;
+}