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boinc/mac_installer/PostInstall.cpp

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// 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 <grp.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(char* name, pid_t thePID);
static OSErr QuitBOINCManager(OSType signature);
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;
group *grp;
char s[256];
int NumberOfLoginItems, Counter, i;
pid_t installerPID = 0, coreClientPID = 0;
FSRef fileRef;
OSStatus err;
Initialize();
::GetCurrentProcess (&ourProcess);
QuitBOINCManager('BNC!'); // Quit any old instance of BOINC manager
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
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);
err = kill(installerPID, SIGKILL);
// 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");
ExitToShell();
}
Success = false;
// The BOINC Manager and Core Client have the set-user-ID-on-execution
// flag set, so their ownership is important and must match the
// ownership of the BOINC Data directory.
// Find an appropriate admin user to set as owner of installed files
// First, try the user currently logged in
q = getlogin();
grp = getgrnam("admin");
i = 0;
while ((p = grp->gr_mem[i]) != NULL) { // Step through all users in group admin
if (strcmp(p, q) == 0) {
Success = true; // Logged in user is a member of group admin
break;
}
++i;
}
// If currently logged in user is not admin, use first non-root admin user
if (!Success) {
i = 0;
while ((p = grp->gr_mem[i]) != NULL) { // Step through all users in group admin
if (strcmp(p, "root") != 0)
break;
++i;
}
}
// Set owner of BOINCManager and contents, including core client
sprintf(s, "chown -Rf %s /Applications/BOINCManager.app", p);
system (s);
// Set owner of BOINC Screen Saver
sprintf(s, "chown -Rf %s /Library/Screen\\ Savers/BOINCSaver.saver", p);
system (s);
// Set owner of BOINC Data
sprintf(s, "chown -Rf %s /Library/Application\\ Support/BOINC\\ Data", p);
system (s);
// 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 ();
Success = false;
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);
// Launch BOINC Manager when user closes installer or after 15 seconds
for (i=0; i<15; i++) { // Wait 15 seconds max for installer to quit
sleep (1);
if (FindProcessPID(NULL, installerPID) == 0)
break;
}
err = FSPathMakeRef((StringPtr)"/Applications/BOINCManager.app", &fileRef, NULL);
if (err == noErr)
err = LSOpenFSRef(&fileRef, NULL);
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);
}
static char * PersistentFGets(char *buf, size_t buflen, FILE *f) {
char *p = buf;
size_t len = buflen;
size_t datalen = 0;
*buf = '\0';
while (datalen < (buflen - 1)) {
fgets(p, len, f);
if (feof(f)) break;
if (ferror(f) && (errno != EINTR)) break;
if (strchr(buf, '\n')) break;
datalen = strlen(buf);
p = buf + datalen;
len -= datalen;
}
return (buf[0] ? buf : NULL);
}
pid_t FindProcessPID(char* name, pid_t thePID)
{
FILE *f;
char buf[1024];
size_t n = 0;
pid_t aPID;
if (name != NULL) // Search ny name
n = strlen(name);
f = popen("ps -a -x -c -o command,pid", "r");
if (f == NULL)
return 0;
while (PersistentFGets(buf, sizeof(buf), f))
{
if (name != NULL) { // Search ny name
if (strncmp(buf, name, n) == 0)
{
aPID = atol(buf+16);
pclose(f);
return aPID;
}
} else { // Search by PID
aPID = atol(buf+16);
if (aPID == thePID) {
pclose(f);
return aPID;
}
}
}
pclose(f);
return 0;
}
static OSErr QuitBOINCManager(OSType signature) {
bool done = false;
ProcessSerialNumber thisPSN;
ProcessInfoRec thisPIR;
OSErr err = noErr;
Str63 thisProcessName;
AEAddressDesc thisPSNDesc;
AppleEvent thisQuitEvent, thisReplyEvent;
thisPIR.processInfoLength = sizeof (ProcessInfoRec);
thisPIR.processName = thisProcessName;
thisPIR.processAppSpec = nil;
thisPSN.highLongOfPSN = 0;
thisPSN.lowLongOfPSN = kNoProcess;
while (done == false) {
err = GetNextProcess(&thisPSN);
if (err == procNotFound)
done = true; // apparently the demo app isn't running. Odd but not impossible
else {
err = GetProcessInformation(&thisPSN,&thisPIR);
if (err != noErr)
goto bail;
if (thisPIR.processSignature == signature) { // is it or target process?
err = AECreateDesc(typeProcessSerialNumber, (Ptr)&thisPSN,
sizeof(thisPSN), &thisPSNDesc);
if (err != noErr)
goto bail;
// Create the 'quit' Apple event for this process.
err = AECreateAppleEvent(kCoreEventClass, kAEQuitApplication, &thisPSNDesc,
kAutoGenerateReturnID, kAnyTransactionID, &thisQuitEvent);
if (err != noErr) {
AEDisposeDesc (&thisPSNDesc);
goto bail; // don't know how this could happen, but limp gamely onward
}
// send the event
err = AESend(&thisQuitEvent, &thisReplyEvent, kAEWaitReply,
kAENormalPriority, kAEDefaultTimeout, 0L, 0L);
AEDisposeDesc (&thisQuitEvent);
AEDisposeDesc (&thisPSNDesc);
#if 0
if (err == errAETimeout) {
pid_t thisPID;
err = GetProcessPID(&thisPSN , &thisPID);
if (err == noErr)
err = kill(thisPID, SIGKILL);
}
#endif
done = true; // we've killed the process, presumably
}
}
}
bail:
return err;
}
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
const char *BOINC_RCSID_c7abe0490e="$Id$";
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