mirror of
https://github.com/ElvishArtisan/rivendell.git
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698b475933
* Removed all CVS tags. * Removed 'const char *name' parameter from all QObject contructors.
109 lines
2.6 KiB
C++
109 lines
2.6 KiB
C++
// rdpam.cpp
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//
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// Authenticate a PAM name.
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//
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// (C) Copyright 2010,2016 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as
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// published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <syslog.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <security/pam_appl.h>
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#include <qstringlist.h>
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#include <rdpam.h>
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int RDPamCallback(int num_msg, const struct pam_message **msg,
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struct pam_response **resp, void *appdata_ptr)
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{
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RDPam *pam=(RDPam *)appdata_ptr;
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pam->CleanupPam();
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*resp=new struct pam_response[num_msg];
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for(int i=0;i<num_msg;i++) {
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resp[i]->resp=new char[256];
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memset(resp[i]->resp,0,256);
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switch(msg[i]->msg_style) {
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case PAM_PROMPT_ECHO_OFF:
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strncpy(resp[i]->resp,pam->system_token,255);
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break;
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case PAM_PROMPT_ECHO_ON:
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syslog(LOG_ERR,"unhandled PAM request: %s",msg[i]->msg);
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break;
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case PAM_ERROR_MSG:
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case PAM_TEXT_INFO:
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syslog(LOG_NOTICE,"PAM message: %s",msg[i]->msg);
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break;
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}
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}
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return 0;
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}
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RDPam::RDPam(const QString &pam_service)
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{
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system_pam_response=NULL;
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system_pam_response_count=0;
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system_pam_service=pam_service;
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}
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bool RDPam::authenticate(const QString &username,const QString &token)
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{
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pam_handle_t *pamh=NULL;
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struct pam_conv conv;
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int err;
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system_token=token;
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memset(&conv,0,sizeof(conv));
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conv.conv=RDPamCallback;
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conv.appdata_ptr=(RDPam *)this;
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if((err=pam_start(system_pam_service,username,&conv,&pamh))!=PAM_SUCCESS) {
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syslog(LOG_NOTICE,"PAM Error: %s",pam_strerror(pamh,err));
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pam_end(pamh,err);
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CleanupPam();
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return false;
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}
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if((err=pam_authenticate(pamh,0))!=PAM_SUCCESS) {
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pam_end(pamh,err);
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CleanupPam();
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return false;
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}
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pam_end(pamh,err);
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CleanupPam();
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return true;
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}
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void RDPam::CleanupPam()
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{
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if(system_pam_response==NULL) {
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return;
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}
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for(int i=0;i<system_pam_response_count;i++) {
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delete system_pam_response[i].resp;
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}
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delete system_pam_response;
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system_pam_response=NULL;
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}
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