boinc/mac_installer/PostInstall.cpp

261 lines
7.6 KiB
C++
Executable File

// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This 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 2.1 of the License, or (at your option) any later version.
//
// This software 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.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/* PostInstall.c */
#define CREATE_LOG 1 /* for debugging */
#include <Carbon/Carbon.h>
#include <unistd.h> // getlogin
#include <sys/types.h> // getpwname, getpwuid, getuid
#include <pwd.h> // getpwname, getpwuid, getuid
#include <sys/wait.h> // waitpid
#include "LoginItemAPI.h" //please take a look at LoginItemAPI.h for a explanation of the routines available to you.
void Initialize(void); /* function prototypes */
void SetUIDBackToUser (void);
OSErr FindProcess (OSType typeToFind, OSType creatorToFind, ProcessSerialNumberPtr processSN);
pid_t FindProcessPID(pid_t thePID);
static OSErr QuitAppleEventHandler(const AppleEvent *appleEvt, AppleEvent* reply, UInt32 refcon);
void print_to_log_file(const char *format, ...);
void strip_cr(char *buf);
Boolean gQuitFlag = false; /* global */
int main(int argc, char *argv[])
{
char *p, *q;
Boolean Success;
long response;
ProcessSerialNumber ourProcess, installerPSN;
short itemHit;
int NumberOfLoginItems, Counter, i;
pid_t myPid = 0, installerPID = 0;
OSStatus err;
Initialize();
Success = false;
::GetCurrentProcess (&ourProcess);
err = FindProcess ('APPL', 'xins', &installerPSN);
if (err == noErr)
err = GetProcessPID(&installerPSN , &installerPID);
err = Gestalt(gestaltSystemVersion, &response);
if (err != noErr)
return err;
if (response < 0x1030) {
::SetFrontProcess(&ourProcess);
StandardAlert (kAlertStopAlert, "\pSorry, BOINC requires system 10.3 or higher.",
NULL, NULL, &itemHit);
// Remove everything we've installed
system ("rm -rf /Applications/BOINCManager.app");
system ("rm -rf /Library/Screen\\ Savers/BOINCSaver.saver");
system ("rm -rf /Library/Application\\ Support/BOINC\\ Data");
system ("rm -rf /Library/Receipts/BOINC.pkg");
err = kill(installerPID, SIGKILL);
ExitToShell();
}
// *****************************************************************************************
// Everything after this REQUIRES us to be setuid to the login user's user ID
// *****************************************************************************************
// Installer is running as root. We must setuid back to the logged in user
// in order to add a startup item to the user's login preferences
SetUIDBackToUser ();
NumberOfLoginItems = GetCountOfLoginItems(kCurrentUser);
// Search existing login items in reverse order, deleting any duplicates of ours
for (Counter = NumberOfLoginItems ; Counter > 0 ; Counter--)
{
p = ReturnLoginItemPropertyAtIndex(kCurrentUser, kApplicationNameInfo, Counter-1);
q = p;
while (*q)
{
// It is OK to modify the returned string because we "own" it
*q = toupper(*q); // Make it case-insensitive
q++;
}
if (strcmp(p, "BOINCMANAGER.APP") == 0)
Success = RemoveLoginItemAtIndex(kCurrentUser, Counter-1);
}
Success = AddLoginItemWithPropertiesToUser(kCurrentUser,
"/Applications/BOINCManager.app", kDoNotHideOnLaunch);
// Fork a process to launch the BOINCManager after the installer quits
if ( (myPid = fork()) < 0) // error
return -1;
else if (myPid == 0) { // child
for (i=0; i<15; i++) { // Wait 15 seconds max for installer to quit
sleep (1);
if (FindProcessPID(installerPID) == 0)
break;
}
system("/Applications/BOINCManager.app/Contents/MacOS/BOINCManager");
}
// We get here if parent (myPID > 0)
return 0;
}
void SetUIDBackToUser (void)
{
char *p;
uid_t login_uid;
passwd *pw;
p = getlogin();
pw = getpwnam(p);
login_uid = pw->pw_uid;
setuid(login_uid);
}
void Initialize() /* Initialize some managers */
{
OSErr err;
InitCursor();
err = AEInstallEventHandler( kCoreEventClass, kAEQuitApplication, NewAEEventHandlerUPP((AEEventHandlerProcPtr)QuitAppleEventHandler), 0, false );
if (err != noErr)
ExitToShell();
}
// ---------------------------------------------------------------------------
/* This runs through the process list looking for the indicated application */
/* Searches for process by file type and signature (creator code) */
// ---------------------------------------------------------------------------
OSErr FindProcess (OSType typeToFind, OSType creatorToFind, ProcessSerialNumberPtr processSN)
{
ProcessInfoRec tempInfo;
FSSpec procSpec;
Str31 processName;
OSErr myErr = noErr;
/* null out the PSN so we're starting at the beginning of the list */
processSN->lowLongOfPSN = kNoProcess;
processSN->highLongOfPSN = kNoProcess;
/* initialize the process information record */
tempInfo.processInfoLength = sizeof(ProcessInfoRec);
tempInfo.processName = processName;
tempInfo.processAppSpec = &procSpec;
/* loop through all the processes until we */
/* 1) find the process we want */
/* 2) error out because of some reason (usually, no more processes) */
do {
myErr = GetNextProcess(processSN);
if (myErr == noErr)
GetProcessInformation(processSN, &tempInfo);
}
while ((tempInfo.processSignature != creatorToFind || tempInfo.processType != typeToFind) &&
myErr == noErr);
return(myErr);
}
pid_t FindProcessPID(pid_t thePID)
{
FILE *f;
char buf[1024];
pid_t aPID;
f = popen("ps -a -x -c -o command,pid", "r");
if (f == NULL)
return 0;
while (fgets(buf, sizeof(buf), f)) {
aPID = atol(buf+16);
if (aPID == thePID) {
pclose(f);
return aPID;
}
}
pclose(f);
return 0;
}
static OSErr QuitAppleEventHandler( const AppleEvent *appleEvt, AppleEvent* reply, UInt32 refcon )
{
gQuitFlag = true;
return noErr;
}
// For debugging
void print_to_log_file(const char *format, ...) {
#if CREATE_LOG
FILE *f;
va_list args;
char buf[256];
time_t t;
strcpy(buf, getenv("HOME"));
strcat(buf, "/Documents/test_log.txt");
f = fopen(buf, "a");
if (!f) return;
// freopen(buf, "a", stdout);
// freopen(buf, "a", stderr);
time(&t);
strcpy(buf, asctime(localtime(&t)));
strip_cr(buf);
fputs(buf, f);
fputs(" ", f);
va_start(args, format);
vfprintf(f, format, args);
va_end(args);
fputs("\n", f);
fflush(f);
fclose(f);
#endif
}
#if CREATE_LOG
void strip_cr(char *buf)
{
char *theCR;
theCR = strrchr(buf, '\n');
if (theCR)
*theCR = '\0';
theCR = strrchr(buf, '\r');
if (theCR)
*theCR = '\0';
}
#endif // CREATE_LOG