]> git.saurik.com Git - cydia.git/blobdiff - MobileCydia.mm
Use ProcessArguments to get argv[0] (for iOS 3.0).
[cydia.git] / MobileCydia.mm
index 196859962fc103d58164e1f389e4f663407639a8..86e6a6f26841a1b59e23ed5d984de79fdd038bac 100644 (file)
@@ -1,5 +1,5 @@
 /* Cydia - iPhone UIKit Front-End for Debian APT
- * Copyright (C) 2008-2014  Jay Freeman (saurik)
+ * Copyright (C) 2008-2015  Jay Freeman (saurik)
 */
 
 /* GNU General Public License, Version 3 {{{ */
@@ -237,35 +237,6 @@ union SplitHash {
 };
 // }}}
 
-static void setreugid(uid_t uid, gid_t gid) {
-    _assert(setreuid(uid, uid) != -1);
-    _assert(setregid(gid, gid) != -1);
-}
-
-static void setreguid(gid_t gid, uid_t uid) {
-    _assert(setregid(gid, gid) != -1);
-    _assert(setreuid(uid, uid) != -1);
-}
-
-struct Root {
-    Root() {
-        _trace();
-        setreugid(0, 0);
-        _assert(pthread_setugid_np(0, 0) != -1);
-        setreguid(501, 501);
-    }
-
-    ~Root() {
-        _trace();
-        setreugid(0, 0);
-        _assert(pthread_setugid_np(KAUTH_UID_NONE, KAUTH_GID_NONE) != -1);
-        setreguid(501, 501);
-    }
-};
-
-#define _root(code) \
-    ({ Root _root; code; })
-
 static NSString *Colon_;
 NSString *Elision_;
 static NSString *Error_;
@@ -707,7 +678,6 @@ static const NSString *UI_;
 
 static int Finish_;
 static bool RestartSubstrate_;
-static bool UpgradeCydia_;
 static NSArray *Finishes_;
 
 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
@@ -746,7 +716,6 @@ static _H<NSString> System_;
 static NSString *SerialNumber_ = nil;
 static NSString *ChipID_ = nil;
 static NSString *BBSNum_ = nil;
-static _H<NSString> Token_;
 static _H<NSString> UniqueID_;
 static _H<NSString> UserAgent_;
 static _H<NSString> Product_;
@@ -806,15 +775,15 @@ static CFLocaleRef Locale_;
 static NSArray *Languages_;
 static CGColorSpaceRef space_;
 
+#define CacheState_ "/var/mobile/Library/Caches/com.saurik.Cydia/CacheState.plist"
+#define SavedState_ "/var/mobile/Library/Caches/com.saurik.Cydia/SavedState.plist"
+
 static NSDictionary *SectionMap_;
-static NSMutableDictionary *Metadata_;
-static _transient NSMutableDictionary *Settings_;
-static _transient NSMutableDictionary *Packages_;
+static _H<NSDate> Backgrounded_;
 static _transient NSMutableDictionary *Values_;
 static _transient NSMutableDictionary *Sections_;
 _H<NSMutableDictionary> Sources_;
 static _transient NSNumber *Version_;
-bool Changed_;
 static time_t now_;
 
 bool IsWildcat_;
@@ -826,7 +795,6 @@ static NSString *Major_;
 static _H<NSMutableDictionary> SessionData_;
 static _H<NSObject> HostConfig_;
 static _H<NSMutableSet> BridgedHosts_;
-static _H<NSMutableSet> TokenHosts_;
 static _H<NSMutableSet> InsecureHosts_;
 static _H<NSMutableSet> PipelinedHosts_;
 static _H<NSMutableSet> CachedURLs_;
@@ -902,20 +870,6 @@ NSString *Simplify(NSString *title) {
 }
 /* }}} */
 
-NSString *GetLastUpdate() {
-    NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
-
-    if (update == nil)
-        return UCLocalize("NEVER_OR_UNKNOWN");
-
-    CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
-    CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
-
-    CFRelease(formatter);
-
-    return [(NSString *) formatted autorelease];
-}
-
 bool isSectionVisible(NSString *section) {
     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
@@ -1119,6 +1073,7 @@ typedef std::map< unsigned long, _H<Source> > SourceMap;
     CYPool pool_;
 
     unsigned era_;
+    _H<NSDate> delock_;
 
     pkgCacheFile cache_;
     pkgDepCache::Policy *policy_;
@@ -1523,6 +1478,30 @@ static void PackageImport(const void *key, const void *value, void *context) {
 }
 // }}}
 
+static NSDate *GetStatusDate() {
+    return [[[NSFileManager defaultManager] attributesOfItemAtPath:@"/var/lib/dpkg/status" error:NULL] fileModificationDate];
+}
+
+static void SaveConfig(NSObject *lock) {
+    @synchronized (lock) {
+        _trace();
+        MetaFile_.Sync();
+        _trace();
+    }
+
+    CFPreferencesSetMultiple((CFDictionaryRef) [NSDictionary dictionaryWithObjectsAndKeys:
+        Values_, @"CydiaValues",
+        Sections_, @"CydiaSections",
+        (id) Sources_, @"CydiaSources",
+        Version_, @"CydiaVersion",
+    nil], NULL, CFSTR("com.saurik.Cydia"), kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
+
+    if (!CFPreferencesAppSynchronize(CFSTR("com.saurik.Cydia")))
+        NSLog(@"CFPreferencesAppSynchronize(com.saurik.Cydia) == false");
+
+    CydiaWriteSources();
+}
+
 /* Source Class {{{ */
 @interface Source : NSObject {
     unsigned era_;
@@ -1785,14 +1764,10 @@ static void PackageImport(const void *key, const void *value, void *context) {
     if (record_ == nil)
         return;
     else if (NSMutableArray *sections = [record_ objectForKey:@"Sections"]) {
-        if (![sections containsObject:section]) {
+        if (![sections containsObject:section])
             [sections addObject:section];
-            Changed_ = true;
-        }
-    } else {
+    } else
         [record_ setObject:[NSMutableArray arrayWithObject:section] forKey:@"Sections"];
-        Changed_ = true;
-    }
 }
 
 - (bool) addSection:(NSString *)section {
@@ -1808,10 +1783,8 @@ static void PackageImport(const void *key, const void *value, void *context) {
         return;
 
     if (NSMutableArray *sections = [record_ objectForKey:@"Sections"])
-        if ([sections containsObject:section]) {
+        if ([sections containsObject:section])
             [sections removeObject:section];
-            Changed_ = true;
-        }
 }
 
 - (bool) removeSection:(NSString *)section {
@@ -1824,7 +1797,6 @@ static void PackageImport(const void *key, const void *value, void *context) {
 
 - (void) _remove {
     [Sources_ removeObjectForKey:[self key]];
-    Changed_ = true;
 }
 
 - (bool) remove {
@@ -3770,6 +3742,26 @@ class CydiaLogCleaner :
     return [self popErrorWithTitle:title] || !success;
 }
 
+- (bool) _isEtceteraAptSourcesListDirectoryCydiaListSymbolicallyLinkedToMobileCachesCydiaSourceList {
+    char target[1024];
+    ssize_t length(readlink("/etc/apt/sources.list.d/cydia.list", target, sizeof(target) - 1));
+    if (length == -1)
+        return false;
+    if (length >= sizeof(target))
+        return false;
+    target[length] = '\0';
+    return strcmp(target, "/var/mobile/Library/Caches/com.saurik.Cydia/sources.list") == 0;
+}
+
+- (bool) popErrorWithTitle:(NSString *)title forReadList:(pkgSourceList &)list {
+    if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
+        return true;
+    if (![self _isEtceteraAptSourcesListDirectoryCydiaListSymbolicallyLinkedToMobileCachesCydiaSourceList])
+        if ([self popErrorWithTitle:title forOperation:list.Read(SOURCES_LIST)])
+            return true;
+    return false;
+}
+
 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
 @synchronized (self) {
     ++era_;
@@ -3814,7 +3806,7 @@ class CydiaLogCleaner :
 
     list_ = new pkgSourceList();
     _profile(reloadDataWithInvocation$ReadMainList)
-    if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
+    if ([self popErrorWithTitle:title forReadList:*list_])
         return;
     _end
 
@@ -3825,7 +3817,7 @@ class CydiaLogCleaner :
     }
     _end
 
-    _root(_system->Lock());
+    delock_ = GetStatusDate();
 
     _trace();
     OpProgress progress;
@@ -3862,7 +3854,6 @@ class CydiaLogCleaner :
             }
         }
 
-        _system->UnLock();
         return;
     }
     _trace();
@@ -3988,9 +3979,9 @@ class CydiaLogCleaner :
 } }
 
 - (void) configure {
-    NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
+    NSString *dpkg = [NSString stringWithFormat:@"/usr/libexec/cydo --configure -a --status-fd %u", statusfd_];
     _trace();
-    _root(system([dpkg UTF8String]));
+    system([dpkg UTF8String]);
     _trace();
 }
 
@@ -4032,7 +4023,7 @@ class CydiaLogCleaner :
         return false;
 
     pkgSourceList list;
-    if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
+    if ([self popErrorWithTitle:title forReadList:list])
         return false;
 
     manager_ = (_system->CreatePM(cache_));
@@ -4050,7 +4041,7 @@ class CydiaLogCleaner :
 
     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
         pkgSourceList list;
-        if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
+        if ([self popErrorWithTitle:title forReadList:list])
             return;
         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
@@ -4091,8 +4082,27 @@ class CydiaLogCleaner :
     if (substrate)
         RestartSubstrate_ = true;
 
-    _system->UnLock();
-    pkgPackageManager::OrderResult result(_root(manager_->DoInstall(statusfd_)));
+    if (![delock_ isEqual:GetStatusDate()]) {
+        [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("DPKG_LOCKED") ofType:kCydiaProgressEventTypeError] forTask:title];
+        return;
+    }
+
+    delock_ = nil;
+
+    pkgPackageManager::OrderResult result(manager_->DoInstall(statusfd_));
+
+    NSString *oextended(@"/var/lib/apt/extended_states");
+    NSString *nextended(Cache("extended_states"));
+
+    struct stat info;
+    if (stat([nextended UTF8String], &info) != -1 && (info.st_mode & S_IFMT) == S_IFREG) {
+        system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /bin/mv -f %@ %@", nextended, oextended] UTF8String]);
+        system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /bin/chown 0:0 %@", oextended] UTF8String]);
+    }
+
+    unlink([nextended UTF8String]);
+    symlink([oextended UTF8String], [nextended UTF8String]);
+
     if ([self popErrorWithTitle:title])
         return;
 
@@ -4108,7 +4118,7 @@ class CydiaLogCleaner :
 
     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
         pkgSourceList list;
-        if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
+        if ([self popErrorWithTitle:title forReadList:list])
             return;
         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
@@ -4118,6 +4128,10 @@ class CydiaLogCleaner :
         [self update];
 }
 
+- (bool) delocked {
+    return ![delock_ isEqual:GetStatusDate()];
+}
+
 - (bool) upgrade {
     NSString *title(UCLocalize("UPGRADE"));
     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
@@ -4133,7 +4147,7 @@ class CydiaLogCleaner :
     NSString *title(UCLocalize("REFRESHING_DATA"));
 
     pkgSourceList list;
-    if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
+    if ([self popErrorWithTitle:title forReadList:list])
         return;
 
     FileFd lock;
@@ -4148,8 +4162,10 @@ class CydiaLogCleaner :
         _error->Discard();
     else {
         [self popErrorWithTitle:title forOperation:success];
-        [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
-        Changed_ = true;
+
+        [[NSDictionary dictionaryWithObjectsAndKeys:
+            [NSDate date], @"LastUpdate",
+        nil] writeToFile:@ CacheState_ atomically:YES];
     }
 
     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
@@ -4322,7 +4338,6 @@ static _H<NSMutableSet> Diversions_;
         @"operator",
         @"role",
         @"serial",
-        @"token",
         @"version",
     nil];
 }
@@ -4401,10 +4416,6 @@ static _H<NSMutableSet> Diversions_;
     return [NSString stringWithUTF8String:Machine_];
 }
 
-- (NSString *) token {
-    return (id) Token_ ?: [NSNull null];
-}
-
 + (NSString *) webScriptNameForSelector:(SEL)selector {
     if (false);
     else if (selector == @selector(addBridgedHost:))
@@ -4417,8 +4428,6 @@ static _H<NSMutableSet> Diversions_;
         return @"addPipelinedHost";
     else if (selector == @selector(addSource:::))
         return @"addSource";
-    else if (selector == @selector(addTokenHost:))
-        return @"addTokenHost";
     else if (selector == @selector(addTrivialSource:))
         return @"addTrivialSource";
     else if (selector == @selector(close))
@@ -4612,8 +4621,6 @@ static _H<NSMutableSet> Diversions_;
         [Values_ removeObjectForKey:key];
     else
         [Values_ setObject:value forKey:key];
-
-    [delegate_ performSelectorOnMainThread:@selector(updateValues) withObject:nil waitUntilDone:YES];
 } }
 
 - (id) getSessionValue:(NSString *)key {
@@ -4639,11 +4646,6 @@ static _H<NSMutableSet> Diversions_;
     [InsecureHosts_ addObject:host];
 } }
 
-- (void) addTokenHost:(NSString *)host {
-@synchronized (HostConfig_) {
-    [TokenHosts_ addObject:host];
-} }
-
 - (void) addPipelinedHost:(NSString *)host scheme:(NSString *)scheme {
 @synchronized (HostConfig_) {
     if (scheme != (id) [WebUndefined undefined])
@@ -4728,41 +4730,13 @@ static _H<NSMutableSet> Diversions_;
     nil];
 }
 
-- (NSNumber *) du:(NSString *)path {
-    NSNumber *value(nil);
-
-    int fds[2];
-    _assert(pipe(fds) != -1);
+ssize_t DiskUsage(const char *path);
 
-    pid_t pid(ExecFork());
-    if (pid == 0) {
-        _assert(dup2(fds[1], 1) != -1);
-        _assert(close(fds[0]) != -1);
-        _assert(close(fds[1]) != -1);
-        /* XXX: this should probably not use du */
-        _root(execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL));
-        exit(1);
-    } else {
-        _assert(close(fds[1]) != -1);
-
-        if (FILE *du = fdopen(fds[0], "r")) {
-            char line[1024];
-            while (fgets(line, sizeof(line), du) != NULL) {
-                size_t length(strlen(line));
-                while (length != 0 && line[length - 1] == '\n')
-                    line[--length] = '\0';
-                if (char *tab = strchr(line, '\t')) {
-                    *tab = '\0';
-                    value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
-                }
-            }
-
-            fclose(du);
-        } else
-            _assert(close(fds[0]) != -1);
-    } ReapZombie(pid);
-
-    return value;
+- (NSNumber *) du:(NSString *)path {
+    ssize_t usage(DiskUsage([path UTF8String]));
+    if (usage != -1)
+        usage /= 1024;
+    return [NSNumber numberWithUnsignedLong:usage];
 }
 
 - (void) close {
@@ -4834,19 +4808,8 @@ static _H<NSMutableSet> Diversions_;
     [[objc_getClass("UIPasteboard") generalPasteboard] setURL:[NSURL URLWithString:value]];
 }
 
-- (void) _setToken:(NSString *)token {
-    Token_ = token;
-
-    if (token == nil)
-        [Metadata_ removeObjectForKey:@"Token"];
-    else
-        [Metadata_ setObject:Token_ forKey:@"Token"];
-
-    Changed_ = true;
-}
-
 - (void) setToken:(NSString *)token {
-    [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
+    // XXX: the website expects this :/
 }
 
 - (void) scrollToBottom:(NSNumber *)animated {
@@ -4982,23 +4945,12 @@ static _H<NSMutableSet> Diversions_;
     if (Machine_ != NULL && [copy valueForHTTPHeaderField:@"X-Machine"] == nil)
         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
 
-    bool bridged;
-    bool token;
-
-    @synchronized (HostConfig_) {
+    bool bridged; @synchronized (HostConfig_) {
         bridged = [BridgedHosts_ containsObject:host];
-        token = [TokenHosts_ containsObject:host];
     }
 
-    if ([url isCydiaSecure]) {
-        if (bridged) {
-            if (UniqueID_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Id"] == nil)
-                [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
-        } else if (token) {
-            if (Token_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Token"] == nil)
-                [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
-        }
-    }
+    if ([url isCydiaSecure] && bridged && UniqueID_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Id"] == nil)
+        [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
 
     return copy;
 }
@@ -5178,8 +5130,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
         issues_ = [NSMutableArray arrayWithCapacity:4];
 
-        UpgradeCydia_ = false;
-
         for (Package *package in packages) {
             pkgCache::PkgIterator iterator([package iterator]);
             NSString *name([package id]);
@@ -5291,9 +5241,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
                 [removes addObject:name];
             }
 
-            if ([name isEqualToString:@"cydia"])
-                UpgradeCydia_ = true;
-
             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
             substrate_ |= DepSubstrate(iterator.CurrentVer());
         }
@@ -5584,31 +5531,12 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) reloadSpringBoard {
-    if (kCFCoreFoundationVersionNumber > 700) { // XXX: iOS 6.x
+    if (kCFCoreFoundationVersionNumber >= 700) // XXX: iOS 6.x
         system("/bin/launchctl stop com.apple.backboardd");
-        sleep(15);
-        system("/usr/bin/killall backboardd SpringBoard sbreload");
-        return;
-    }
-
-    pid_t pid(ExecFork());
-    if (pid == 0) {
-        if (setsid() == -1)
-            perror("setsid");
-
-        pid_t pid(ExecFork());
-        if (pid == 0) {
-            _root(execl("/usr/bin/sbreload", "sbreload", NULL));
-            perror("sbreload");
-
-            exit(0);
-        } ReapZombie(pid);
-
-        exit(0);
-    } ReapZombie(pid);
-
+    else
+        system("/bin/launchctl stop com.apple.SpringBoard");
     sleep(15);
-    system("/usr/bin/killall backboardd SpringBoard sbreload");
+    system("/usr/bin/killall backboardd SpringBoard");
 }
 
 - (void) close {
@@ -6079,7 +6007,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     }
 
     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
-    Changed_ = true;
 }
 
 - (void) setSection:(Section *)section editing:(BOOL)editing {
@@ -6932,7 +6859,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     [alert setCancelButtonIndex:0];
 
     [alert setMessage:
-        @"Copyright \u00a9 2008-2014\n"
+        @"Copyright \u00a9 2008-2015\n"
         "SaurikIT, LLC\n"
         "\n"
         "Jay Freeman (saurik)\n"
@@ -7011,10 +6938,6 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     } return self;
 }
 
-- (void) setUpdate:(NSDate *)date {
-    [self beginUpdate];
-}
-
 - (void) beginUpdate {
     if (updating_)
         return;
@@ -7946,7 +7869,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 
     pid_t pid(ExecFork());
     if (pid == 0) {
-        FILE *dpkg(_root(popen("dpkg --set-selections", "w")));
+        FILE *dpkg(popen("/usr/libexec/cydo --set-selections", "w"));
         fwrite(package, strlen(package), 1, dpkg);
 
         if (on)
@@ -8459,7 +8382,6 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
         if (source == nil) return;
 
         [Sources_ removeObjectForKey:[source key]];
-        Changed_ = true;
 
         [delegate_ _saveConfig];
         [delegate_ reloadDataWithInvocation:nil];
@@ -8938,7 +8860,6 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 
 - (void) createDiskCachePath {
     [super createDiskCachePath];
-    _root(chown([[self diskCachePath] UTF8String], 501, 501));
 }
 
 @end
@@ -9065,29 +8986,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 }
 
 - (void) _saveConfig {
-    @synchronized (database_) {
-        _trace();
-        MetaFile_.Sync();
-        _trace();
-    }
-
-    if (Changed_) {
-        NSString *error(nil);
-
-        if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
-            _trace();
-            NSError *error(nil);
-            if (!_root([data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error]))
-                NSLog(@"failure to save metadata data: %@", error);
-            _trace();
-
-            Changed_ = false;
-        } else {
-            NSLog(@"failure to serialize metadata: %@", error);
-        }
-    }
-
-    _root(CydiaWriteSources());
+    SaveConfig(database_);
 }
 
 // Navigation controller for the queuing badge.
@@ -9114,9 +9013,11 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
 }
 
-- (void) _refreshIfPossible:(NSDate *)update {
+- (void) _refreshIfPossible {
     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 
+    NSDate *update([[NSDictionary dictionaryWithContentsOfFile:@ CacheState_] objectForKey:@"LastUpdate"]);
+
     bool recently = false;
     if (update != nil) {
         NSTimeInterval interval([update timeIntervalSinceNow]);
@@ -9138,14 +9039,14 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
         // We are going to load, so remember that.
         loaded_ = true;
 
-        [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
+        [tabbar_ performSelectorOnMainThread:@selector(beginUpdate) withObject:nil waitUntilDone:NO];
     }
 
     [pool release];
 }
 
 - (void) refreshIfPossible {
-    [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
+    [NSThread detachNewThreadSelector:@selector(_refreshIfPossible) toTarget:self withObject:nil];
 }
 
 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
@@ -9297,10 +9198,6 @@ _end
     CydiaAddSource(href, @"./");
 }
 
-- (void) updateValues {
-    Changed_ = true;
-}
-
 - (void) resolve {
     pkgProblemResolver *resolver = [database_ resolver];
 
@@ -9380,14 +9277,7 @@ _end
 
 - (void) _uicache {
     _trace();
-
-    if (UpgradeCydia_ && Finish_ > 0) {
-        setreugid(0, 0);
-        system("su -c /usr/bin/uicache mobile");
-    } else {
-        system("/usr/bin/uicache");
-    }
-
+    system("/usr/bin/uicache");
     _trace();
 }
 
@@ -9460,14 +9350,7 @@ _end
             @synchronized (self) {
                 for (Package *broken in (id) broken_) {
                     [broken remove];
-                    NSString *id = [broken id];
-
-                    _root({
-                        unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
-                        unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
-                        unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
-                        unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
-                    });
+                    system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /usr/libexec/cydia/fixhalf.sh %@", [broken id]] UTF8String]);
                 }
 
                 [self resolve];
@@ -9502,7 +9385,7 @@ _end
     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
 
     _trace();
-    _root(system([command UTF8String]));
+    system([command UTF8String]);
     _trace();
 
     [pool release];
@@ -9738,10 +9621,11 @@ _end
 }
 
 - (void) saveState {
-    [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
-    [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
-    [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
-    Changed_ = true;
+    [[NSDictionary dictionaryWithObjectsAndKeys:
+        @"InterfaceState", [tabbar_ navigationURLCollection],
+        @"LastClosed", [NSDate date],
+        @"InterfaceIndex", [NSNumber numberWithInt:[tabbar_ selectedIndex]],
+    nil] writeToFile:@ SavedState_ atomically:YES];
 
     [self _saveConfig];
 }
@@ -9753,15 +9637,15 @@ _end
 - (void) applicationDidEnterBackground:(UIApplication *)application {
     if (kCFCoreFoundationVersionNumber < 1000 && [self isSafeToSuspend])
         return [self terminateWithSuccess];
+    Backgrounded_ = [NSDate date];
     [self saveState];
 }
 
 - (void) applicationWillEnterForeground:(UIApplication *)application {
-    NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
-    if (closed == nil)
+    if (Backgrounded_ == nil)
         return;
 
-    NSTimeInterval interval([closed timeIntervalSinceNow]);
+    NSTimeInterval interval([Backgrounded_ timeIntervalSinceNow]);
 
     if (interval <= -(30*60)) {
         [tabbar_ setSelectedIndex:0];
@@ -9774,6 +9658,9 @@ _end
             [appcache_ reloadURLWithCache:YES];
         }
     }
+
+    if ([database_ delocked])
+        [self reloadData];
 }
 
 - (void) setConfigurationData:(NSString *)data {
@@ -9818,7 +9705,7 @@ _end
 - (void) stash {
     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
     UpdateExternalStatus(1);
-    [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
+    [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/cydo /usr/libexec/cydia/free.sh"];
     UpdateExternalStatus(0);
 
     [self removeStashController];
@@ -10007,8 +9894,10 @@ _trace();
     [self refreshIfPossible];
     [self disemulate];
 
-    int savedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
-    NSArray *saved = [[[Metadata_ objectForKey:@"InterfaceState"] mutableCopy] autorelease];
+    NSDictionary *state([NSDictionary dictionaryWithContentsOfFile:@ SavedState_]);
+
+    int savedIndex = [[state objectForKey:@"InterfaceIndex"] intValue];
+    NSArray *saved = [[[state objectForKey:@"InterfaceState"] mutableCopy] autorelease];
     int standardIndex = 0;
     NSArray *standard = [self defaultStartPages];
 
@@ -10017,7 +9906,7 @@ _trace();
     if (saved == nil)
         valid = NO;
 
-    NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
+    NSDate *closed = [state objectForKey:@"LastClosed"];
     if (valid && closed != nil) {
         NSTimeInterval interval([closed timeIntervalSinceNow]);
         if (interval <= -(30*60))
@@ -10166,7 +10055,9 @@ MSHook(id, NSUserDefaults$objectForKey$, NSUserDefaults *self, SEL _cmd, NSStrin
 }
 
 int main(int argc, char *argv[]) {
-    setreugid(501, 501);
+    int fd(open("/tmp/cydia.log", O_WRONLY | O_APPEND | O_CREAT, 0644));
+    dup2(fd, 2);
+    close(fd);
 
     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
 
@@ -10201,7 +10092,6 @@ int main(int argc, char *argv[]) {
     HostConfig_ = [[[NSObject alloc] init] autorelease];
     @synchronized (HostConfig_) {
         BridgedHosts_ = [NSMutableSet setWithCapacity:4];
-        TokenHosts_ = [NSMutableSet setWithCapacity:4];
         InsecureHosts_ = [NSMutableSet setWithCapacity:4];
         PipelinedHosts_ = [NSMutableSet setWithCapacity:4];
         CachedURLs_ = [NSMutableSet setWithCapacity:32];
@@ -10411,45 +10301,49 @@ int main(int argc, char *argv[]) {
     UserAgent_ = agent;
     /* }}} */
     /* Load Database {{{ */
-    _trace();
-    Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
-    _trace();
     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
 
-    if (Metadata_ == NULL)
-        Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
-    else {
-        Settings_ = [Metadata_ objectForKey:@"Settings"];
-
-        Packages_ = [Metadata_ objectForKey:@"Packages"];
-
-        Values_ = [Metadata_ objectForKey:@"Values"];
-        Sections_ = [Metadata_ objectForKey:@"Sections"];
-        Sources_ = [Metadata_ objectForKey:@"Sources"];
+    _trace();
+    mkdir("/var/mobile/Library/Cydia", 0755);
+    MetaFile_.Open("/var/mobile/Library/Cydia/metadata.cb0");
+    _trace();
 
-        Token_ = [Metadata_ objectForKey:@"Token"];
+    // XXX: port this to NSUserDefaults when you aren't in such a rush
+    Values_ = [[[(NSDictionary *) CFPreferencesCopyAppValue(CFSTR("CydiaValues"), CFSTR("com.saurik.Cydia")) autorelease] mutableCopy] autorelease];
+    Sections_ = [[[(NSDictionary *) CFPreferencesCopyAppValue(CFSTR("CydiaSections"), CFSTR("com.saurik.Cydia")) autorelease] mutableCopy] autorelease];
+    Sources_ = [[[(NSDictionary *) CFPreferencesCopyAppValue(CFSTR("CydiaSources"), CFSTR("com.saurik.Cydia")) autorelease] mutableCopy] autorelease];
+    Version_ = [(NSNumber *) CFPreferencesCopyAppValue(CFSTR("CydiaVersion"), CFSTR("com.saurik.Cydia")) autorelease];
 
-        Version_ = [Metadata_ objectForKey:@"Version"];
-    }
+    _trace();
+    NSDictionary *metadata([[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease]);
 
-    if (Values_ == nil) {
+    if (Values_ == nil)
+        Values_ = [metadata objectForKey:@"Values"];
+    if (Values_ == nil)
         Values_ = [[[NSMutableDictionary alloc] initWithCapacity:4] autorelease];
-        [Metadata_ setObject:Values_ forKey:@"Values"];
-    }
 
-    if (Sections_ == nil) {
+    if (Sections_ == nil)
+        Sections_ = [metadata objectForKey:@"Sections"];
+    if (Sections_ == nil)
         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
-        [Metadata_ setObject:Sections_ forKey:@"Sections"];
-    }
 
-    if (Sources_ == nil) {
+    if (Sources_ == nil)
+        Sources_ = [metadata objectForKey:@"Sources"];
+    if (Sources_ == nil)
         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
-        [Metadata_ setObject:Sources_ forKey:@"Sources"];
-    }
 
-    if (Version_ == nil) {
+    // XXX: this wrong, but in a way that doesn't matter :/
+    if (Version_ == nil)
+        Version_ = [metadata objectForKey:@"Version"];
+    if (Version_ == nil)
         Version_ = [NSNumber numberWithUnsignedInt:0];
-        [Metadata_ setObject:Version_ forKey:@"Version"];
+
+    if (NSDictionary *packages = [metadata objectForKey:@"Packages"]) {
+        bool fail(false);
+        CFDictionaryApplyFunction((CFDictionaryRef) packages, &PackageImport, &fail);
+        _trace();
+        if (fail)
+            NSLog(@"unable to import package preferences... from 2010? oh well :/");
     }
 
     if ([Version_ unsignedIntValue] == 0) {
@@ -10459,68 +10353,36 @@ int main(int argc, char *argv[]) {
         CydiaAddSource(@"http://repo666.ultrasn0w.com/", @"./");
 
         Version_ = [NSNumber numberWithUnsignedInt:1];
-        [Metadata_ setObject:Version_ forKey:@"Version"];
 
-        [Metadata_ removeObjectForKey:@"LastUpdate"];
-
-        Changed_ = true;
+        if (NSMutableDictionary *cache = [NSMutableDictionary dictionaryWithContentsOfFile:@ CacheState_]) {
+            [cache removeObjectForKey:@"LastUpdate"];
+            [cache writeToFile:@ CacheState_ atomically:YES];
+        }
     }
 
     _H<NSMutableArray> broken([NSMutableArray array]);
     for (NSString *key in (id) Sources_)
         if ([key rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@"# "]].location != NSNotFound)
             [broken addObject:key];
-    if ([broken count] != 0) {
+    if ([broken count] != 0)
         for (NSString *key in (id) broken)
             [Sources_ removeObjectForKey:key];
-        Changed_ = true;
-    } broken = nil;
-    /* }}} */
-
-    _root(CydiaWriteSources());
+    broken = nil;
 
-    _trace();
-    mkdir("/var/mobile/Library/Cydia", 0755);
-    MetaFile_.Open("/var/mobile/Library/Cydia/metadata.cb0");
-    _trace();
-
-    if (Packages_ != nil) {
-        bool fail(false);
-        CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
-        _trace();
-
-        if (!fail) {
-            [Metadata_ removeObjectForKey:@"Packages"];
-            Packages_ = nil;
-            Changed_ = true;
-        }
-    }
+    SaveConfig(nil);
+    system("/usr/libexec/cydia/cydo /bin/rm -f /var/lib/cydia/metadata.plist");
+    /* }}} */
 
     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
 
-#define MobileSubstrate_(name) \
-    if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
-        void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
-        if (handle == NULL) \
-            NSLog(@"%s", dlerror()); \
-    }
-
-    MobileSubstrate_(Activator)
-    MobileSubstrate_(libstatusbar)
-    MobileSubstrate_(SimulatedKeyEvents)
-    MobileSubstrate_(WinterBoard)
-
-    /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
-        dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
-
     if (kCFCoreFoundationVersionNumber > 1000)
-        _root(system([[NSString stringWithFormat:@"/usr/libexec/cydia/setnsfpn /var/lib"] UTF8String]));
+        system("/usr/libexec/cydia/cydo /usr/libexec/cydia/setnsfpn /var/lib");
 
     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
 
     if (access("/User", F_OK) != 0 || version != 6) {
         _trace();
-        _root(system("/usr/libexec/cydia/firmware.sh"));
+        system("/usr/libexec/cydia/cydo /usr/libexec/cydia/firmware.sh");
         _trace();
     }
 
@@ -10548,10 +10410,19 @@ int main(int argc, char *argv[]) {
     mkdir([Cache("archives/partial") UTF8String], 0755);
     _config->Set("Dir::Cache", [Cache_ UTF8String]);
 
+    symlink("/var/lib/apt/extended_states", [Cache("extended_states") UTF8String]);
+    _config->Set("Dir::State", [Cache_ UTF8String]);
+
     mkdir([Cache("lists") UTF8String], 0755);
     mkdir([Cache("lists/partial") UTF8String], 0755);
     mkdir([Cache("periodic") UTF8String], 0755);
     _config->Set("Dir::State::Lists", [Cache("lists") UTF8String]);
+
+    std::string logs("/var/mobile/Library/Logs/Cydia");
+    mkdir(logs.c_str(), 0755);
+    _config->Set("Dir::Log::Terminal", logs + "/apt.log");
+
+    _config->Set("Dir::Bin::dpkg", "/usr/libexec/cydia/cydo");
     /* }}} */
     /* Color Choices {{{ */
     space_ = CGColorSpaceCreateDeviceRGB();
@@ -10575,13 +10446,6 @@ int main(int argc, char *argv[]) {
     //UIKeyboardDisableAutomaticAppearance();
     /* }}} */
 
-    _root({
-        chown([Cache("ApplicationCache.db") UTF8String], 501, 501);
-        chown([Cache("Cache.db") UTF8String], 501, 501);
-        chown([Cache("Cache.db-shm") UTF8String], 501, 501);
-        chown([Cache("Cache.db-wal") UTF8String], 501, 501);
-    });
-
     $SBSSetInterceptsMenuButtonForever = reinterpret_cast<void (*)(bool)>(dlsym(RTLD_DEFAULT, "SBSSetInterceptsMenuButtonForever"));
 
     const char *symbol(kCFCoreFoundationVersionNumber >= 800 ? "MGGetBoolAnswer" : "GSSystemHasCapability");