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uninstall.cpp
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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
/* uninstall.cpp */
#define TESTING 0 /* for debugging */
#include <Carbon/Carbon.h>
#include <Security/Authorization.h>
#include <Security/AuthorizationTags.h>
#include <grp.h>
#include <unistd.h> // geteuid, seteuid
#include <pwd.h> // passwd, getpwnam
#include <dirent.h>
#include <sys/param.h> // for MAXPATHLEN
#include <sys/stat.h> // For stat()
#include <string.h>
#include <vector>
#include <string>
using std::vector;
using std::string;
#define SEARCHFORALLBOINCMANAGERS 0
#define MAX_LANGUAGES_TO_TRY 5
#include "translate.h"
static OSStatus DoUninstall(void);
static OSStatus CleanupAllVisibleUsers(void);
static OSStatus DeleteOurBundlesFromDirectory(CFStringRef bundleID, char *extension, char *dirPath);
static OSStatus GetAuthorization(AuthorizationRef * authRef, const char *pathToTool, char *brandName);
static OSStatus DoPrivilegedExec(char *brandName, const char *pathToTool, char *arg1, char *arg2, char *arg3, char *arg4, char *arg5);
static void DeleteLoginItemOSAScript(char* user, char* appName);
static void DeleteLoginItemFromPListFile(void);
static char * PersistentFGets(char *buf, size_t buflen, FILE *f);
OSErr GetCurrentScreenSaverSelection(char *moduleName, size_t maxLen);
OSErr SetScreenSaverSelection(char *moduleName, char *modulePath, int type);
int GetCountOfLoginItemsFromPlistFile(void);
OSErr GetLoginItemNameAtIndexFromPlistFile(int index, char *name, size_t maxLen);
OSErr DeleteLoginItemNameAtIndexFromPlistFile(int index);
static OSErr FindProcess (OSType typeToFind, OSType creatorToFind, ProcessSerialNumberPtr processSN);
static pid_t FindProcessPID(char* name, pid_t thePID);
static OSStatus QuitOneProcess(OSType signature);
static void KillVBoxProcess(char* name);
static void SleepTicks(UInt32 ticksToSleep);
static void GetPreferredLanguages();
static void LoadPreferredLanguages();
static Boolean ShowMessage(Boolean allowCancel, Boolean continueButton, Boolean yesNoButtons, const char *format, ...);
#if SEARCHFORALLBOINCMANAGERS
static OSStatus GetpathToBOINCManagerApp(char* path, int maxLen, FSRef *theFSRef);
#endif
static int compareOSVersionTo(int toMajor, int toMinor);
static char gAppName[256];
static char gBrandName[256];
static char gCatalogsDir[MAXPATHLEN];
static char * gCatalog_Name = (char *)"BOINC-Setup";
static char * gTempFileName = "/tmp/BOINC_preferred_languages";
/* BEGIN TEMPORARY ITEMS TO ALLOW TRANSLATORS TO START WORK */
void notused() {
ShowMessage(true, false, false, (char *)_("OK"));
}
/* END TEMPORARY ITEMS TO ALLOW TRANSLATORS TO START WORK */
int main(int argc, char *argv[])
{
char pathToSelf[MAXPATHLEN], pathToVBoxUninstallTool[MAXPATHLEN], *p;
ProcessSerialNumber ourPSN;
FSRef ourFSRef;
Boolean cancelled = false;
struct stat sbuf;
OSStatus err = noErr;
// Get the full path to our executable inside this application's bundle
err = GetCurrentProcess (&ourPSN);
if (err == noErr) {
err = GetProcessBundleLocation(&ourPSN, &ourFSRef);
}
if (err == noErr) {
err = FSRefMakePath (&ourFSRef, (UInt8*)pathToSelf, sizeof(pathToSelf));
}
if (err != noErr) {
ShowMessage(false, false, false, "Couldn't get path to self. Error %d", err);
return err;
}
strlcpy(pathToVBoxUninstallTool, pathToSelf, sizeof(pathToVBoxUninstallTool));
strlcat(pathToVBoxUninstallTool, "/Contents/Resources/VirtualBox_Uninstall.tool", sizeof(pathToVBoxUninstallTool));
// To allow for branding, assume name of executable inside bundle is same as name of bundle
p = strrchr(pathToSelf, '/'); // Assume name of executable inside bundle is same as name of bundle
if (p == NULL)
p = pathToSelf - 1;
strlcpy(gAppName, p+1, sizeof(gAppName));
p = strrchr(gAppName, '.'); // Strip off bundle extension (".app")
if (p)
*p = '\0';
strlcpy(gCatalogsDir, pathToSelf, sizeof(gCatalogsDir));
strlcat(gCatalogsDir, "/Contents/Resources/locale/", sizeof(gCatalogsDir));
strlcat(pathToSelf, "/Contents/MacOS/", sizeof(pathToSelf));
strlcat(pathToSelf, gAppName, sizeof(pathToSelf));
p = strchr(gAppName, ' ');
p += 1; // Point to brand name following "Uninstall "
strlcpy(gBrandName, p, sizeof(gBrandName));
// Determine whether this is the intial launch or the relaunch with privileges
if ( (argc == 2) && (strcmp(argv[1], "--privileged") == 0) ) {
LoadPreferredLanguages();
if (geteuid() != 0) { // Confirm that we are running as root
ShowMessage(false, false, false, (char *)_("Permission error after relaunch"));
BOINCTranslationCleanup();
return permErr;
}
ShowMessage(false, true, false, (char *)_("Removal may take several minutes.\nPlease be patient."));
err = DoUninstall();
BOINCTranslationCleanup();
printf("Done\n"); // Signal DoPrivilegedExec() that we finished
return err;
}
// This is the initial launch. Authenticate and relaunch ourselves with privileges.
GetPreferredLanguages(); // We must do this before switching to root user
LoadPreferredLanguages();
// Grid Republic uses generic dialog with Uninstall application's icon
cancelled = ! ShowMessage(true, true, false, (char *)_(
"Are you sure you want to completely remove %s from your computer?\n\n"
"This will remove the executables but will not touch %s data files."), p, p);
if (! cancelled) {
err = DoPrivilegedExec(p, pathToSelf, "--privileged", NULL, NULL, NULL, NULL);
}
if (cancelled || (err == errAuthorizationCanceled)) {
ShowMessage(false, false, false, (char *)_("Canceled: %s has not been touched."), p);
BOINCTranslationCleanup();
return err;
}
#if TESTING
ShowMessage(false, false, false, "DoPrivilegedExec returned %d", err);
#endif
if (err) {
ShowMessage(false, false, false, (char *)_("An error occurred: error code %d"), err);
}else {
FSRef BOINCDataRef, UserPrefsRef;
CFStringRef CFBOINCDataPath, CFUserPrefsPath;
char BOINCDataPath[MAXPATHLEN], temp[MAXPATHLEN], PathToPrefs[MAXPATHLEN];
Boolean success = false;
char * loginName = getlogin();
err = FSPathMakeRef((StringPtr)"/Library", &BOINCDataRef, NULL);
if (err == noErr) {
err = LSCopyDisplayNameForRef(&BOINCDataRef, &CFBOINCDataPath);
}
if (err == noErr) {
success = CFStringGetCString(CFBOINCDataPath, temp,
sizeof(temp), kCFStringEncodingUTF8);
}
if (success) {
success = false;
strlcpy(BOINCDataPath, "/", sizeof(BOINCDataPath));
strlcat(BOINCDataPath, temp, sizeof(BOINCDataPath));
strlcat(BOINCDataPath, "/", sizeof(BOINCDataPath));
err = FSPathMakeRef((StringPtr)"/Library/Application Support", &BOINCDataRef, NULL);
if (err == noErr) {
err = LSCopyDisplayNameForRef(&BOINCDataRef, &CFBOINCDataPath);
}
if (err == noErr) {
success = CFStringGetCString(CFBOINCDataPath, temp,
sizeof(temp), kCFStringEncodingUTF8);
}
}
if (success) {
strlcat(BOINCDataPath, temp, sizeof(BOINCDataPath));
strlcat(BOINCDataPath, "/BOINC Data", sizeof(BOINCDataPath));
} else {
strlcpy(BOINCDataPath,
"/Library/Application Support/BOINC Data",
sizeof(BOINCDataPath));
}
success = false;
// err = FSPathMakeRef((StringPtr)"/Users", &UserPrefsRef, NULL);
err = FSPathMakeRef((StringPtr)"/Users", &UserPrefsRef, NULL);
if (err == noErr) {
err = LSCopyDisplayNameForRef(&UserPrefsRef, &CFUserPrefsPath);
}
if (err == noErr) {
success = CFStringGetCString(CFUserPrefsPath, temp,
sizeof(temp), kCFStringEncodingUTF8);
}
if (success) {
success = false;
strlcpy(PathToPrefs, "/", sizeof(PathToPrefs));
strlcat(PathToPrefs, temp, sizeof(PathToPrefs));
strlcat(PathToPrefs, "/[", sizeof(PathToPrefs));
strlcat(PathToPrefs, (char *)_("name of user"), sizeof(PathToPrefs));
strlcat(PathToPrefs, "]/", sizeof(PathToPrefs));
sprintf(temp, "/Users/%s/Library", loginName);
err = FSPathMakeRef((StringPtr)temp, &UserPrefsRef, NULL);
if (err == noErr) {
err = LSCopyDisplayNameForRef(&UserPrefsRef, &CFUserPrefsPath);
}
if (err == noErr) {
success = CFStringGetCString(CFUserPrefsPath, temp,
sizeof(temp), kCFStringEncodingUTF8);
}
}
if (success) {
success = false;
strlcat(PathToPrefs, temp, sizeof(PathToPrefs));
strlcat(PathToPrefs, "/", sizeof(PathToPrefs));
sprintf(temp, "/Users/%s/Library/Preferences", loginName);
err = FSPathMakeRef((StringPtr)temp, &UserPrefsRef, NULL);
if (err == noErr) {
err = LSCopyDisplayNameForRef(&UserPrefsRef, &CFUserPrefsPath);
}
if (err == noErr) {
success = CFStringGetCString(CFUserPrefsPath, temp,
sizeof(temp), kCFStringEncodingUTF8);
}
}
if (success) {
strlcat(PathToPrefs, temp, sizeof(PathToPrefs));
strlcat(PathToPrefs, "/BOINC Manager Preferences", sizeof(PathToPrefs));
} else {
strlcpy(PathToPrefs,
"/Users/[username]/Library/Preferences/BOINC Manager Preferences",
sizeof(PathToPrefs));
}
// stat() returns zero on success
if (stat(pathToVBoxUninstallTool, &sbuf) == 0) {
char cmd[MAXPATHLEN+30];
cancelled = ! ShowMessage(true, false, true, (char *)_(
"Do you also want to remove VirtualBox from your computer?\n"
"(VirtualBox was installed along with BOINC.)"));
if (! cancelled) {
err = QuitOneProcess('VBOX');
if (err != procNotFound) {
sleep(5);
}
// List of processes to kill taken from my_processes
// array in VirtualBox_Uninstall.tool script:
KillVBoxProcess("VirtualBox");
KillVBoxProcess("VirtualBox-amd64");
KillVBoxProcess("VirtualBox-x86");
KillVBoxProcess("VirtualBoxVM");
KillVBoxProcess("VirtualBoxVM-amd64");
KillVBoxProcess("VirtualBoxVM-x86");
KillVBoxProcess("VBoxManage");
KillVBoxProcess("VBoxManage-amd64");
KillVBoxProcess("VBoxManage-x86");
KillVBoxProcess("VBoxHeadless");
KillVBoxProcess("VBoxHeadless-amd64");
KillVBoxProcess("VBoxHeadless-x86");
KillVBoxProcess("vboxwebsrv");
KillVBoxProcess("vboxwebsrv-amd64");
KillVBoxProcess("vboxwebsrv-x86");
KillVBoxProcess("VBoxXPCOMIPCD");
KillVBoxProcess("VBoxXPCOMIPCD-amd64");
KillVBoxProcess("VBoxXPCOMIPCD-x86");
KillVBoxProcess("VBoxSVC");
KillVBoxProcess("VBoxSVC-amd64");
KillVBoxProcess("VBoxSVC-x86");
KillVBoxProcess("VBoxNetDHCP");
KillVBoxProcess("VBoxNetDHCP-amd64");
KillVBoxProcess("VBoxNetDHCP-x86");
sleep(2);
snprintf(cmd, sizeof(cmd), "source \"%s\" --unattended", pathToVBoxUninstallTool);
system(cmd);
}
}
ShowMessage(false, false, false, (char *)_("Removal completed.\n\n You may want to remove the following remaining items using the Finder: \n"
"the directory \"%s\"\n\nfor each user, the file\n"
"\"%s\"."), BOINCDataPath, PathToPrefs);
}
BOINCTranslationCleanup();
return err;
}
static OSStatus DoUninstall(void) {
pid_t coreClientPID = 0;
pid_t BOINCManagerPID = 0;
char cmd[1024];
char *p;
passwd *pw;
OSStatus err = noErr;
#if SEARCHFORALLBOINCMANAGERS
char myRmCommand[MAXPATHLEN+10], plistRmCommand[MAXPATHLEN+10];
char notBoot[] = "/Volumes/";
FSRef theFSRef;
int pathOffset, i;
#endif
#if TESTING
ShowMessage(false, false, false, "Permission OK after relaunch");
#endif
//TODO: It would be nice to get the app name from the bundle ID or signature
// so we don't have to try all 4 and to allow for future branded versions
for (;;) {
BOINCManagerPID = FindProcessPID("BOINCManager", 0);
if (BOINCManagerPID == 0) break;
kill(BOINCManagerPID, SIGTERM);
sleep(2);
}
for (;;) {
BOINCManagerPID = FindProcessPID("GridRepublic Desktop", 0);
if (BOINCManagerPID == 0) break;
kill(BOINCManagerPID, SIGTERM);
sleep(2);
}
for (;;) {
BOINCManagerPID = FindProcessPID("Progress Thru Processors Desktop", 0);
if (BOINCManagerPID == 0) break;
kill(BOINCManagerPID, SIGTERM);
sleep(2);
}
for (;;) {
BOINCManagerPID = FindProcessPID("Charity Engine Desktop", 0);
if (BOINCManagerPID == 0) break;
kill(BOINCManagerPID, SIGTERM);
sleep(2);
}
// Core Client may still be running if it was started without Manager
coreClientPID = FindProcessPID("boinc", 0);
if (coreClientPID)
kill(coreClientPID, SIGTERM); // boinc catches SIGTERM & exits gracefully
#if SEARCHFORALLBOINCMANAGERS
// Phase 1: try to find all our applications using LaunchServices
for (i=0; i<100; i++) {
strlcpy(myRmCommand, "rm -rf \"", 10);
pathOffset = strlen(myRmCommand);
err = GetpathToBOINCManagerApp(myRmCommand+pathOffset, MAXPATHLEN, &theFSRef);
if (err)
break;
strlcat(myRmCommand, "\"", sizeof(myRmCommand));
#if TESTING
ShowMessage(false, false, false, "manager: %s", myRmCommand);
#endif
p = strstr(myRmCommand, notBoot);
if (p == myRmCommand+pathOffset) {
#if TESTING
ShowMessage(false, false, false, "Not on boot volume: %s", myRmCommand);
#endif
break;
} else {
// First delete just the application's info.plist file and update the
// LaunchServices Database; otherwise LSFindApplicationForInfo might
// return this application again after it's been deleted.
strlcpy(plistRmCommand, myRmCommand, sizeof(plistRmCommand));
strlcat(plistRmCommand, "/Contents/info.plist", sizeof(plistRmCommand));
#if TESTING
ShowMessage(false, false, false, "Deleting info.plist: %s", plistRmCommand);
#endif
system(plistRmCommand);
err = LSRegisterFSRef(&theFSRef, true);
#if TESTING
if (err)
ShowMessage(false, false, false, "LSRegisterFSRef returned error %d", err);
#endif
system(myRmCommand);
}
}
#endif
// Phase 2: step through default Applications directory searching for our applications
err = DeleteOurBundlesFromDirectory(CFSTR("edu.berkeley.boinc"), "app", "/Applications");
// Phase 3: step through default Screen Savers directory searching for our screen savers
err = DeleteOurBundlesFromDirectory(CFSTR("edu.berkeley.boincsaver"), "saver", "/Library/Screen Savers");
// Phase 4: Delete our files and directories at our installer's default locations
// Remove everything we've installed, whether BOINC, GridRepublic, Progress Thru Processors or
// Charity Engine
//TODO: It would be nice to get the app name from the bundle ID or signature
// so we don't have to try all 4 and to allow for future branded versions
// These first 4 should already have been deleted by the above code, but do them anyway for safety
system ("rm -rf /Applications/BOINCManager.app");
system ("rm -rf \"/Library/Screen Savers/BOINCSaver.saver\"");
system ("rm -rf \"/Applications/GridRepublic Desktop.app\"");
system ("rm -rf \"/Library/Screen Savers/GridRepublic.saver\"");
system ("rm -rf \"/Applications/Progress Thru Processors Desktop.app\"");
system ("rm -rf \"/Library/Screen Savers/Progress Thru Processors.saver\"");
system ("rm -rf \"/Applications/Charity Engine Desktop.app\"");
system ("rm -rf \"/Library/Screen Savers/Charity Engine.saver\"");
// Delete any receipt from an older installer (which had
// a wrapper application around the installer package.)
system ("rm -rf /Library/Receipts/GridRepublic.pkg");
system ("rm -rf /Library/Receipts/Progress\\ Thru\\ Processors.pkg");
system ("rm -rf /Library/Receipts/Charity\\ Engine.pkg");
system ("rm -rf /Library/Receipts/BOINC.pkg");
// Delete any receipt from a newer installer (a bare package.)
system ("rm -rf /Library/Receipts/GridRepublic\\ Installer.pkg");
system ("rm -rf /Library/Receipts/Progress\\ Thru\\ Processors\\ Installer.pkg");
system ("rm -rf /Library/Receipts/Charity\\ Engine\\ Installer.pkg");
system ("rm -rf /Library/Receipts/BOINC\\ Installer.pkg");
// Phase 5: Set BOINC Data owner and group to logged in user
// We don't customize BOINC Data directory name for branding
// system ("rm -rf \"/Library/Application Support/BOINC Data\"");
p = getlogin();
pw = getpwnam(p);
sprintf(cmd, "chown -R %d:%d \"/Library/Application Support/BOINC Data\"", pw->pw_uid, pw->pw_gid);
system (cmd);
system("chmod -R u+rw-s,g+r-w-s,o+r-w \"/Library/Application Support/BOINC Data\"");
system("chmod 600 \"/Library/Application Support/BOINC Data/gui_rpc_auth.cfg\"");
// Phase 6: step through all users and do user-specific cleanup
CleanupAllVisibleUsers();
system ("dscl . -delete /users/boinc_master");
system ("dscl . -delete /groups/boinc_master");
system ("dscl . -delete /users/boinc_project");
system ("dscl . -delete /groups/boinc_project");
return 0;
}
static OSStatus DeleteOurBundlesFromDirectory(CFStringRef bundleID, char *extension, char *dirPath) {
DIR *dirp;
dirent *dp;
CFStringRef urlStringRef = NULL;
int index;
CFStringRef thisID = NULL;
CFBundleRef thisBundle = NULL;
CFURLRef bundleURLRef = NULL;
char myRmCommand[MAXPATHLEN+10], *p;
int pathOffset;
dirp = opendir(dirPath);
if (dirp == NULL) { // Should never happen
ShowMessage(false, false, false, "Error: opendir(\"%s\") failed", dirPath);
return -1;
}
index = -1;
while (true) {
index++;
dp = readdir(dirp);
if (dp == NULL)
break; // End of list
p = strrchr(dp->d_name, '.');
if (p == NULL)
continue;
if (strcmp(p+1, extension))
continue;
strlcpy(myRmCommand, "rm -rf \"", 10);
pathOffset = strlen(myRmCommand);
strlcat(myRmCommand, dirPath, sizeof(myRmCommand));
strlcat(myRmCommand, "/", sizeof(myRmCommand));
strlcat(myRmCommand, dp->d_name, sizeof(myRmCommand));
urlStringRef = CFStringCreateWithCString(kCFAllocatorDefault, myRmCommand+pathOffset, CFStringGetSystemEncoding());
if (urlStringRef) {
bundleURLRef = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, urlStringRef, kCFURLPOSIXPathStyle, false);
if (bundleURLRef) {
thisBundle = CFBundleCreate( kCFAllocatorDefault, bundleURLRef );
if (thisBundle) {
thisID = CFBundleGetIdentifier(thisBundle);
if (thisID) {
strlcat(myRmCommand, "\"", sizeof(myRmCommand));
if (CFStringCompare(thisID, bundleID, 0) == kCFCompareEqualTo) {
#if TESTING
ShowMessage(false, false, false, "Bundles: %s", myRmCommand);
#endif
system(myRmCommand);
} else {
#if TESTING
// ShowMessage(false, false, false, "Bundles: Not deleting %s", myRmCommand+pathOffset);
#endif
}
} // if (thisID)
#if TESTING
else
ShowMessage(false, false, false, "CFBundleGetIdentifier failed for index %d", index);
#endif
CFRelease(thisBundle);
} //if (thisBundle)
#if TESTING
else
ShowMessage(false, false, false, "CFBundleCreate failed for index %d", index);
#endif
CFRelease(bundleURLRef);
} // if (bundleURLRef)
#if TESTING
else
ShowMessage(false, false, false, "CFURLCreateWithFileSystemPath failed");
#endif
CFRelease(urlStringRef);
} // if (urlStringRef)
#if TESTING
else
ShowMessage(false, false, false, "CFStringCreateWithCString failed");
#endif
} // while true
closedir(dirp);
return noErr;
}
enum {
kSystemEventsCreator = 'sevs'
};
// Find all visible users and delete their login item to launch BOINC Manager.
// Remove each user from groups boinc_master and boinc_project.
// For now, don't delete user's BOINC Preferences file.
static OSStatus CleanupAllVisibleUsers(void)
{
passwd *pw;
vector<string> human_user_names;
vector<uid_t> human_user_IDs;
uid_t saved_uid, saved_euid;
char human_user_name[256];
int i;
int userIndex;
int flag;
char buf[256];
char s[1024];
char cmd[2048];
char systemEventsPath[1024];
ProcessSerialNumber SystemEventsPSN;
FSRef appRef;
FILE *f;
char *p;
int id;
OSStatus err;
Boolean changeSaver;
saved_uid = getuid();
saved_euid = geteuid();
// First, find all users on system
f = popen("dscl . list /Users UniqueID", "r");
if (f) {
while (PersistentFGets(buf, sizeof(buf), f)) {
p = strrchr(buf, ' ');
if (p) {
id = atoi(p+1);
if (id < 501) {
#if TESTING
// printf("skipping user ID %d\n", id);
// fflush(stdout);
#endif
continue;
}
while (p > buf) {
if (*p != ' ') break;
--p;
}
*(p+1) = '\0';
human_user_names.push_back(string(buf));
human_user_IDs.push_back((uid_t)id);
#if TESTING
ShowMessage(false, false, false, "user ID %d: %s\n", id, buf);
#endif
*(p+1) = ' ';
}
}
pclose(f);
}
for (userIndex=human_user_names.size(); userIndex>0; --userIndex) {
flag = 0;
strlcpy(human_user_name, human_user_names[userIndex-1].c_str(), sizeof(human_user_name));
// Check whether this user is a login (human) user
sprintf(s, "dscl . -read \"/Users/%s\" NFSHomeDirectory", human_user_name);
f = popen(s, "r");
if (f) {
while (PersistentFGets(buf, sizeof(buf), f)) {
p = strrchr(buf, ' ');
if (p) {
if (strstr(p, "/var/empty") != NULL) flag = 1;
}
}
pclose(f);
}
sprintf(s, "dscl . -read \"/Users/%s\" UserShell", human_user_name);
f = popen(s, "r");
if (f) {
while (PersistentFGets(buf, sizeof(buf), f)) {
p = strrchr(buf, ' ');
if (p) {
if (strstr(p, "/usr/bin/false") != NULL) flag |= 2;
}
}
pclose(f);
}
// Skip all non-human (non-login) users
if (flag == 3) { // if (Home Directory == "/var/empty") && (UserShell == "/usr/bin/false")
#if TESTING
ShowMessage(false, false, false, "Flag=3: skipping user ID %d: %s", human_user_IDs[userIndex-1], buf);
#endif
continue;
}
pw = getpwnam(human_user_name);
if (pw == NULL)
continue;
#if TESTING
ShowMessage(false, false, false, "Deleting login item for user %s: Posix name=%s, Full name=%s, UID=%d",
human_user_name, pw->pw_name, pw->pw_gecos, pw->pw_uid);
#endif
// Remove user from groups boinc_master and boinc_project
sprintf(s, "dscl . -delete /groups/boinc_master users \"%s\"", human_user_name);
system (s);
sprintf(s, "dscl . -delete /groups/boinc_project users \"%s\"", human_user_name);
system (s);
#if TESTING
// ShowMessage(false, false, false, "Before seteuid(%d) for user %s, euid = %d", pw->pw_uid, human_user_name, geteuid());
#endif
setuid(0);
// Delete our login item(s) for this user
if (compareOSVersionTo(10, 8) >= 0) {
seteuid(pw->pw_uid); // Temporarily set effective uid to this user
DeleteLoginItemFromPListFile();
seteuid(saved_euid); // Set effective uid back to privileged user
} else { // OS 10.7.x
// We must leave effective user ID as privileged user (root)
// because the target user may not be in the sudoers file.
// We must launch the System Events application for the target user
#if TESTING
ShowMessage(false, false, false, "Telling System Events to quit (before DeleteLoginItemOSAScript)");
#endif
// Find SystemEvents process. If found, quit it in case
// it is running under a different user.
err = QuitOneProcess(kSystemEventsCreator);
#if TESTING
if (err != noErr) {
ShowMessage(false, false, false, "QuitOneProcess(kSystemEventsCreator) returned error %d ", (int) err);
}
#endif
// Wait for the process to be gone
for (i=0; i<50; ++i) { // 5 seconds max delay
SleepTicks(6); // 6 Ticks == 1/10 second
err = FindProcess ('APPL', kSystemEventsCreator, &SystemEventsPSN);
if (err != noErr) break;
}
#if TESTING
if (i >= 50) {
ShowMessage(false, false, false, "Failed to make System Events quit");
}
#endif
sleep(2);
err = LSFindApplicationForInfo(kSystemEventsCreator, NULL, NULL, &appRef, NULL);
if (err != noErr) {
#if TESTING
ShowMessage(false, false, false, "LSFindApplicationForInfo(kSystemEventsCreator) returned error %d ", (int) err);
#endif
} else {
FSRefMakePath(&appRef, (UInt8*)systemEventsPath, sizeof(systemEventsPath));
#if TESTING
ShowMessage(false, false, false, "SystemEvents is at %s", systemEventsPath);
ShowMessage(false, false, false, "Launching SystemEvents for user %s", pw->pw_name);
#endif
sprintf(cmd, "sudo -u \"%s\" \"%s/Contents/MacOS/System Events\" &", pw->pw_name, systemEventsPath);
err = system(cmd);
if (err == noErr) {
// Wait for the process to start
for (i=0; i<50; ++i) { // 5 seconds max delay
SleepTicks(6); // 6 Ticks == 1/10 second
err = FindProcess ('APPL', kSystemEventsCreator, &SystemEventsPSN);
if (err == noErr) break;
}
#if TESTING
if (i >= 50) {
ShowMessage(false, false, false, "Failed to launch System Events for user %s", pw->pw_name);
}
#endif
sleep(2);
DeleteLoginItemOSAScript(pw->pw_name, "BOINCManager");
DeleteLoginItemOSAScript(pw->pw_name, "GridRepublic Desktop");
DeleteLoginItemOSAScript(pw->pw_name, "Progress Thru Processors Desktop");
DeleteLoginItemOSAScript(pw->pw_name, "Charity Engine Desktop");
#if TESTING
} else {
ShowMessage(false, false, false, "[2] Command: %s returned error %d", cmd, (int) err);
#endif
}
}
}
// We don't delete the user's BOINC Manager preferences
// sprintf(s, "rm -f \"/Users/%s/Library/Preferences/BOINC Manager Preferences\"", human_user_name);
// system (s);
// Delete per-user BOINC Manager and screensaver files
sprintf(s, "rm -fR \"/Users/%s/Library/Application Support/BOINC\"", human_user_name);
system (s);
// Set screensaver to "Computer Name" default screensaver only
// if it was BOINC, GridRepublic, Progress Thru Processors or Charity Engine.
changeSaver = false;
seteuid(pw->pw_uid); // Temporarily set effective uid to this user
if (compareOSVersionTo(10, 6) < 0) {
f = popen("defaults -currentHost read com.apple.screensaver moduleName", "r");
if (f) {
while (PersistentFGets(s, sizeof(s), f)) {
if (strstr(s, "BOINCSaver")) {
changeSaver = true;
break;
}
if (strstr(s, "GridRepublic")) {
changeSaver = true;
break;
}
if (strstr(s, "Progress Thru Processors")) {
changeSaver = true;
break;
}
if (strstr(s, "Charity Engine")) {
changeSaver = true;
break;
}
}
pclose(f);
}
} else {
err = GetCurrentScreenSaverSelection(s, sizeof(s) -1);
if (err == noErr) {
if (strstr(s, "BOINCSaver")) {
changeSaver = true;
}
if (strstr(s, "GridRepublic")) {
changeSaver = true;
}
if (strstr(s, "Progress Thru Processors")) {
changeSaver = true;
}
if (strstr(s, "Charity Engine")) {
changeSaver = true;
}
}
}
if (changeSaver) {
if (compareOSVersionTo(10, 6) < 0) {
system ("defaults -currentHost write com.apple.screensaver moduleName \"Computer Name\"");
system ("defaults -currentHost write com.apple.screensaver modulePath \"/System/Library/Frameworks/ScreenSaver.framework/Versions/A/Resources/Computer Name.saver\"");
} else {
err = SetScreenSaverSelection("Computer Name",
"/System/Library/Frameworks/ScreenSaver.framework/Versions/A/Resources/Computer Name.saver", 0);
}
}
seteuid(saved_euid); // Set effective uid back to privileged user
#if TESTING
// ShowMessage(false, false, false, "After seteuid(%d) for user %s, euid = %d, saved_uid = %d", pw->pw_uid, human_user_name, geteuid(), saved_uid);
#endif
} // End userIndex loop
sleep(1);
if (compareOSVersionTo(10, 7) >= 0) {
#if TESTING
ShowMessage(false, false, false, "Telling System Events to quit (at end)");
#endif
err = QuitOneProcess(kSystemEventsCreator);
#if TESTING
if (err != noErr) {
ShowMessage(false, false, false, "QuitOneProcess(kSystemEventsCreator) returned error %d ", (int) err);
}
#endif
}
return noErr;
}
static OSStatus GetAuthorization(AuthorizationRef * authRef, const char *pathToTool, char *brandName) {
static Boolean sIsAuthorized = false;
AuthorizationRights ourAuthRights;
AuthorizationFlags ourAuthFlags;
AuthorizationItem ourAuthRightsItem[1];
AuthorizationEnvironment ourAuthEnvironment;
AuthorizationItem ourAuthEnvItem[1];
char prompt[256];
OSStatus err = noErr;
if (sIsAuthorized)
return noErr;
sprintf(prompt, (char *)_("Enter your administrator password to completely remove %s from you computer.\n\n"), brandName);
ourAuthRights.count = 0;
ourAuthRights.items = NULL;
err = AuthorizationCreate (&ourAuthRights, kAuthorizationEmptyEnvironment, kAuthorizationFlagDefaults, authRef);
if (err != noErr) {
ShowMessage(false, false, false, "AuthorizationCreate returned error %d", err);
return err;
}
ourAuthRightsItem[0].name = kAuthorizationRightExecute;
ourAuthRightsItem[0].value = (void *)pathToTool;
ourAuthRightsItem[0].valueLength = strlen (pathToTool);
ourAuthRightsItem[0].flags = 0;
ourAuthRights.count = 1;
ourAuthRights.items = ourAuthRightsItem;
ourAuthEnvItem[0].name = kAuthorizationEnvironmentPrompt;
ourAuthEnvItem[0].value = prompt;
ourAuthEnvItem[0].valueLength = strlen (prompt);
ourAuthEnvItem[0].flags = 0;
ourAuthEnvironment.count = 1;
ourAuthEnvironment.items = ourAuthEnvItem;
ourAuthFlags = kAuthorizationFlagInteractionAllowed | kAuthorizationFlagExtendRights;
// When this is called from the installer, the installer has already authenticated.
// In that case we are already running with full root privileges so AuthorizationCopyRights()
// does not request a password from the user again.
err = AuthorizationCopyRights (*authRef, &ourAuthRights, &ourAuthEnvironment, ourAuthFlags, NULL);
if (err == noErr)
sIsAuthorized = true;
return err;
}
static OSStatus DoPrivilegedExec(char *brandName, const char *pathToTool, char *arg1, char *arg2, char *arg3, char *arg4, char *arg5) {
AuthorizationRef authRef = NULL;
short i;
char *args[8];
OSStatus err;
FILE *ioPipe;
char *p, junk[256];
err = GetAuthorization(&authRef, pathToTool, brandName);
if (err != noErr) {
if (err != errAuthorizationCanceled)
ShowMessage(false, false, false, "GetAuthorization returned error %d", err);
return err;
}
for (i=0; i<5; i++) { // Retry 5 times if error
args[0] = arg1;
args[1] = arg2;
args[2] = arg3;
args[3] = arg4;
args[4] = arg5;
args[5] = NULL;
err = AuthorizationExecuteWithPrivileges (authRef, pathToTool, 0, args, &ioPipe);
// We use the pipe to signal us when the command has completed
if (ioPipe) {
do {
p = fgets(junk, sizeof(junk), ioPipe);
// On some older versions of OS X, the pipe does not send EOF when our tool exits
if (!strcmp(p, "Done\n")) break;
} while (p);
fclose (ioPipe);
}
if (err == noErr)
break;
}
if (err != noErr)
ShowMessage(false, false, false, "\"%s %s %s %s %s %s\" returned error %d", pathToTool,
arg1 ? arg1 : "", arg2 ? arg2 : "", arg3 ? arg3 : "",
arg4 ? arg4 : "", arg5 ? arg5 : "", err);
return err;
}
// Used for OS <= 10.7
static void DeleteLoginItemOSAScript(char* user, char* appName)
{
char cmd[2048];
OSErr err;
sprintf(cmd, "sudo -u \"%s\" osascript -e 'tell application \"System Events\"' -e 'delete (every login item whose name contains \"%s\")' -e 'end tell'", user, appName);
err = system(cmd);
#if TESTING
if (err) {
ShowMessage(false, false, false, "Command: %s returned error %d", cmd, err);
}
#endif
}
// Used for OS >= 10.8
static void DeleteLoginItemFromPListFile(void)
{
Boolean success;
int numberOfLoginItems, counter;
char theName[256], *q;
success = false;
numberOfLoginItems = GetCountOfLoginItemsFromPlistFile();
// Search existing login items in reverse order, deleting ours
for (counter = numberOfLoginItems ; counter > 0 ; counter--)
{
GetLoginItemNameAtIndexFromPlistFile(counter-1, theName, sizeof(theName));
q = theName;
while (*q)
{
// It is OK to modify the returned string because we "own" it
*q = toupper(*q); // Make it case-insensitive
q++;
}
if (strstr(theName, "BOINCMANAGER"))