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Mac Uninstaller: Properly change screensaver settings under OS 10.6 

svn path=/trunk/boinc/; revision=19922
This commit is contained in:
Charlie Fenton 2009-12-16 12:50:40 +00:00
parent e6295a9a44
commit 3cb29867e7
2 changed files with 51 additions and 13 deletions
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6
checkin_notes
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@ -10110,3 +10110,9 @@ David 15 Dec 2009
client/
boinc_cmd.cpp
Charlie 16 Dec 2009
- Mac Uninstaller: Properly change screensaver settings under OS 10.6.
mac_installer/
uninstall.cpp

58
mac_installer/uninstall.cpp
View File

@ -359,17 +359,27 @@ static OSStatus CleanupAllVisibleUsers(void)
DIR *dirp;
dirent *dp;
passwd *pw;
uid_t saved_uid;
uid_t saved_uid, saved_euid;
char s[1024];
FILE *f;
long OSVersion = 0;
OSStatus err;
Boolean changeSaver;
err = Gestalt(gestaltSystemVersion, &OSVersion);
if (err != noErr) {
OSVersion = 0;
}
dirp = opendir("/Users");
if (dirp == NULL) { // Should never happen
ShowMessage(false, "opendir(\"/Users\") failed");
return -1;
}
saved_uid = getuid();
saved_euid = geteuid();
while (true) {
dp = readdir(dirp);
if (dp == NULL)
@ -393,7 +403,9 @@ static OSStatus CleanupAllVisibleUsers(void)
// ShowMessage(false, "Before seteuid(%d) for user %s, euid = %d", pw->pw_uid, dp->d_name, geteuid());
#endif
saved_uid = geteuid();
if (OSVersion >= 0x1060) {
setuid(0);
}
seteuid(pw->pw_uid); // Temporarily set effective uid to this user
DeleteLoginItem(); // Delete our login item(s) for this user
@ -404,24 +416,44 @@ static OSStatus CleanupAllVisibleUsers(void)
// Set screensaver to "Computer Name" default screensaver only
// if it was BOINC, GridRepublic or Progress Thru Processors.
changeSaver = false;
f = popen("defaults -currentHost read com.apple.screensaver moduleName", "r");
if (OSVersion < 0x1060) {
f = popen("defaults -currentHost read com.apple.screensaver moduleName", "r");
} else {
sprintf(s, "sudo -u %s defaults -currentHost read com.apple.screensaver moduleDict -dict",
dp->d_name);
f = popen(s, "r");
}
if (f) {
PersistentFGets(s, sizeof(s), f);
if (strstr(s, "BOINCSaver"))
changeSaver = true;
if (strstr(s, "GridRepublic"))
changeSaver = true;
if (strstr(s, "Progress Thru Processors"))
changeSaver = true;
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;
}
}
pclose(f);
}
if (changeSaver) {
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\"");
if (OSVersion < 0x1060) {
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 {
sprintf(s,
"sudo -u %s defaults -currentHost write com.apple.screensaver moduleDict -dict moduleName \"Computer Name\" path \"/System/Library/Frameworks/ScreenSaver.framework/Versions/A/Resources/Computer Name.saver\"",
dp->d_name);
system (s);
}
}
seteuid(saved_uid); // Set effective uid back to privileged user
seteuid(saved_euid); // Set effective uid back to privileged user
#if TESTING
// ShowMessage(false, "After seteuid(%d) for user %s, euid = %d, saved_uid = %d", pw->pw_uid, dp->d_name, geteuid(), saved_uid);
#endif