Mozilla/mozilla/modules/softupdt/src/nsUninstallObject.cpp
raman%netscape.com 73df9e69d0 Converting Smartupdate code from Java to C++.
git-svn-id: svn://10.0.0.236/trunk@8347 18797224-902f-48f8-a5cc-f745e15eee43
1998-08-21 23:46:11 +00:00

150 lines
4.0 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsUninstallObject.h"
#include "prmem.h"
#include "prmon.h"
#include "prlog.h"
#include "prprf.h"
#include "xp.h"
#include "NSReg.h"
#include "softupdt.h"
#include "nsVersionRegistry.h"
#include "nsPrivilegeManager.h"
#include "nsTarget.h"
#include "nsSUError.h"
extern int SU_DETAILS_UNINSTALL;
PR_BEGIN_EXTERN_C
/* PUBLIC METHODS */
nsUninstallObject::nsUninstallObject(nsSoftwareUpdate* inSoftUpdate,
char* inRegName,
char* *errorMsg) : nsInstallObject(inSoftUpdate)
{
regName = NULL;
userName = NULL;
if ( regName == NULL || XP_STRLEN(regName) == 0 ) {
*errorMsg = SU_GetErrorMsg3("RegName is NULL ", nsSoftUpdateError_INVALID_ARGUMENTS );
return;
}
regName = XP_STRDUP(inRegName);
/* Request impersonation privileges */
nsPrivilegeManager* privMgr = nsPrivilegeManager::getPrivilegeManager();
nsTarget* impersonation = nsTarget::findTarget(IMPERSONATOR);
nsTarget* target = NULL;
if ((privMgr != NULL) && (impersonation != NULL)) {
/* XXX: We should get the SystemPrincipal and enablePrivilege on that.
* Or may be we should get rid of impersonation
*/
privMgr->enablePrivilege(impersonation, 1);
target = nsTarget::findTarget(INSTALL_PRIV);
if (target != NULL) {
if (!privMgr->enablePrivilege( target, softUpdate->GetPrincipal(), 1 )) {
*errorMsg = SU_GetErrorMsg3("Permssion was denied", nsSoftUpdateError_ACCESS_DENIED);
return;
}
}
}
userName = nsVersionRegistry::getUninstallUserName( regName );
if ( userName == NULL ) {
char *msg = NULL;
msg = PR_sprintf_append(msg, "No such component %s", regName);
*errorMsg = SU_GetErrorMsg3(msg, nsSoftUpdateError_NO_SUCH_COMPONENT);
PR_FREEIF(msg);
return;
}
}
nsUninstallObject::~nsUninstallObject()
{
XP_FREEIF(regName);
XP_FREEIF(userName);
}
/* Complete
* Uninstalls the package
*/
char* nsUninstallObject::Complete()
{
nsTarget* execTarget = NULL;
nsPrivilegeManager* privMgr = nsPrivilegeManager::getPrivilegeManager();
nsTarget* impersonation = nsTarget::findTarget(IMPERSONATOR);
if ((privMgr != NULL) && (impersonation != NULL)) {
/* XXX: We should get the SystemPrincipal and enablePrivilege on that.
* Or may be we should get rid of impersonation
*/
privMgr->enablePrivilege(impersonation, 1);
execTarget = nsTarget::findTarget(INSTALL_PRIV);
if (execTarget != NULL) {
if (!privMgr->enablePrivilege( execTarget, softUpdate->GetPrincipal(), 1 )) {
return SU_GetErrorMsg3("Permssion was denied", nsSoftUpdateError_ACCESS_DENIED);
}
}
}
char *errorMsg = NativeComplete( regName );
if (execTarget != NULL) {
privMgr->revertPrivilege( execTarget, 1 );
}
return errorMsg;
}
char* nsUninstallObject::Prepare()
{
return NULL;
}
void nsUninstallObject::Abort()
{
}
char* nsUninstallObject::toString()
{
return SU_GetString1(SU_DETAILS_UNINSTALL, userName); // Needs I10n
}
/* PRIVATE METHODS */
char* nsUninstallObject::NativeComplete(char* regname)
{
char* errorMsg = NULL;
if ( regname != NULL && *regname != '\0' ) {
int err = SU_Uninstall( regName );
if (err != REGERR_OK) {
errorMsg = SU_GetErrorMsg3("Uninstall failed", err);
}
}
return errorMsg;
}
PR_END_EXTERN_C