X-Git-Url: https://git.saurik.com/cydia.git/blobdiff_plain/3720d3d33be98b467736c5f2c2eb43b8afbc2e8c..ca0a920d902e70044e20bbd4efd993e5d63789e7:/MobileCydia.mm

diff --git a/MobileCydia.mm b/MobileCydia.mm
index a6d5e892..86e6a6f2 100644
--- a/MobileCydia.mm
+++ b/MobileCydia.mm
@@ -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 {{{ */
@@ -83,8 +83,6 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/tagfile.h>
 
-#include <apr-1/apr_pools.h>
-
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/sysctl.h>
@@ -109,11 +107,11 @@ extern "C" {
 #include <Cytore.hpp>
 #include "Sources.h"
 
-#include <CydiaSubstrate/CydiaSubstrate.h>
+#include "Substrate.hpp"
 #include "Menes/Menes.h"
 
 #include "CyteKit/IndirectDelegate.h"
-#include "CyteKit/PerlCompatibleRegEx.hpp"
+#include "CyteKit/RegEx.hpp"
 #include "CyteKit/TableViewCell.h"
 #include "CyteKit/TabBarController.h"
 #include "CyteKit/WebScriptObject-Cyte.h"
@@ -239,34 +237,6 @@ union SplitHash {
 };
 // }}}
 
-struct Root {
-    static bool root_;
-
-    Root(bool real) {
-        _assert(!root_);
-        root_ = true;
-        _trace();
-        _assert(setreuid(real ? 0 : 501, 0) != -1);
-        _assert(setregid(real ? 0 : 501, 0) != -1);
-    }
-
-    ~Root() {
-        root_ = false;
-        _trace();
-        _assert(setregid(501, 501) != -1);
-        _assert(setreuid(501, 501) != -1);
-    }
-
-    operator bool() const {
-        return true;
-    }
-};
-
-bool Root::root_;
-
-#define _root(real) \
-    if (__attribute__((__unused__)) const Root &root = Root(real))
-
 static NSString *Colon_;
 NSString *Elision_;
 static NSString *Error_;
@@ -579,14 +549,14 @@ class CYString {
             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
     }
 
-    void copy(apr_pool_t *pool) {
-        char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
+    void copy(CYPool *pool) {
+        char *temp(pool->malloc<char>(size_ + 1));
         memcpy(temp, data_, size_);
         temp[size_] = '\0';
         data_ = temp;
     }
 
-    void set(apr_pool_t *pool, const char *data, size_t size) {
+    void set(CYPool *pool, const char *data, size_t size) {
         if (size == 0)
             clear();
         else {
@@ -600,11 +570,11 @@ class CYString {
         }
     }
 
-    _finline void set(apr_pool_t *pool, const char *data) {
+    _finline void set(CYPool *pool, const char *data) {
         set(pool, data, data == NULL ? 0 : strlen(data));
     }
 
-    _finline void set(apr_pool_t *pool, const std::string &rhs) {
+    _finline void set(CYPool *pool, const std::string &rhs) {
         set(pool, rhs.data(), rhs.size());
     }
 
@@ -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_;
@@ -806,19 +775,19 @@ 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_;
-static CGFloat ScreenScale_;
+CGFloat ScreenScale_;
 static NSString *Idiom_;
 static _H<NSString> Firmware_;
 static NSString *Major_;
@@ -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_;
@@ -868,7 +836,7 @@ static _finline const char *StripVersion_(const char *version) {
 }
 
 NSString *LocalizeSection(NSString *section) {
-    static Pcre title_r("^(.*?) \\((.*)\\)$");
+    static RegEx title_r("(.*?) \\((.*)\\)");
     if (title_r(section)) {
         NSString *parent(title_r[1]);
         NSString *child(title_r[2]);
@@ -886,15 +854,15 @@ NSString *Simplify(NSString *title) {
     const char *data = [title UTF8String];
     size_t size = [title lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
 
-    static Pcre square_r("^\\[(.*)\\]$");
+    static RegEx square_r("\\[(.*)\\]");
     if (square_r(data, size))
         return Simplify(square_r[1]);
 
-    static Pcre paren_r("^\\((.*)\\)$");
+    static RegEx paren_r("\\((.*)\\)");
     if (paren_r(data, size))
         return Simplify(paren_r[1]);
 
-    static Pcre title_r("^(.*?) \\((.*)\\)$");
+    static RegEx title_r("(.*?) \\((.*)\\)");
     if (title_r(data, size))
         return Simplify(title_r[1]);
 
@@ -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"]);
@@ -1116,9 +1070,10 @@ typedef std::map< unsigned long, _H<Source> > SourceMap;
 
 @interface Database : NSObject {
     NSZone *zone_;
-    apr_pool_t *pool_;
+    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_;
@@ -1554,7 +1533,7 @@ static void PackageImport(const void *key, const void *value, void *context) {
     _transient NSObject<SourceDelegate> *delegate_;
 }
 
-- (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool;
+- (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(CYPool *)pool;
 
 - (NSComparisonResult) compareByName:(Source *)source;
 
@@ -1637,7 +1616,7 @@ static void PackageImport(const void *key, const void *value, void *context) {
     return index_;
 }
 
-- (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
+- (void) setMetaIndex:(metaIndex *)index inPool:(CYPool *)pool {
     trusted_ = index->IsTrusted();
 
     uri_.set(pool, index->GetURI());
@@ -1713,7 +1692,7 @@ static void PackageImport(const void *key, const void *value, void *context) {
         authority_ = [url path];
 }
 
-- (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool {
+- (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(CYPool *)pool {
     if ((self = [super init]) != nil) {
         era_ = [database era];
         database_ = database;
@@ -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 {
@@ -2108,7 +2080,7 @@ struct ParsedPackage {
     uint32_t ignored_ : 1;
     uint32_t pooled_ : 1;
 
-    apr_pool_t *pool_;
+    CYPool *pool_;
 
     uint32_t rank_;
 
@@ -2137,8 +2109,8 @@ struct ParsedPackage {
     _H<NSMutableArray> tags_;
 }
 
-- (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
-+ (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
+- (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database;
++ (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database;
 
 - (pkgCache::PkgIterator) iterator;
 - (void) parse;
@@ -2355,7 +2327,7 @@ struct PackageNameOrdering :
 
 - (void) dealloc {
     if (!pooled_)
-        apr_pool_destroy(pool_);
+        delete pool_;
     if (parsed_ != NULL)
         delete parsed_;
     [super dealloc];
@@ -2538,11 +2510,11 @@ struct PackageNameOrdering :
     _end
 } }
 
-- (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
+- (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database {
     if ((self = [super init]) != nil) {
     _profile(Package$initWithVersion)
         if (pool == NULL)
-            apr_pool_create(&pool_, NULL);
+            pool_ = new CYPool();
         else {
             pool_ = pool;
             pooled_ = true;
@@ -2618,7 +2590,7 @@ struct PackageNameOrdering :
 
             char *transform;
             _profile(Package$initWithVersion$Transliterate$apr_palloc)
-            transform = static_cast<char *>(apr_palloc(pool_, length));
+            transform = pool_->malloc<char>(length);
             _end
             _profile(Package$initWithVersion$Transliterate$u_strToUTF8WithSub$transform)
             u_strToUTF8WithSub(transform, length, NULL, CollationString_.data(), CollationString_.size(), 0xfffd, NULL, &code);
@@ -2717,7 +2689,7 @@ struct PackageNameOrdering :
     _end } return self;
 }
 
-+ (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
++ (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database {
     pkgCache::VerIterator version;
 
     _profile(Package$packageWithIterator$GetCandidateVer)
@@ -3131,6 +3103,10 @@ struct PackageNameOrdering :
 } }
 
 - (NSArray *) warnings {
+@synchronized (database_) {
+    if ([database_ era] != era_ || file_.end())
+        return nil;
+
     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
     const char *name(iterator_.Name());
 
@@ -3151,6 +3127,7 @@ struct PackageNameOrdering :
         bool user = false;
         bool _private = false;
         bool stash = false;
+        bool dbstash = false;
         bool dsstore = false;
 
         bool repository = [[self section] isEqualToString:@"Repositories"];
@@ -3165,6 +3142,8 @@ struct PackageNameOrdering :
                     _private = true;
                 else if (!stash && [file isEqualToString:@"/var/stash"])
                     stash = true;
+                else if (!dbstash && [file isEqualToString:@"/var/db/stash"])
+                    dbstash = true;
                 else if (!dsstore && [file hasSuffix:@"/.DS_Store"])
                     dsstore = true;
 
@@ -3177,19 +3156,21 @@ struct PackageNameOrdering :
             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
         if (stash)
             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
+        if (dbstash)
+            [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/db/stash"]];
         if (dsstore)
             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @".DS_Store"]];
     }
 
     return [warnings count] == 0 ? nil : warnings;
-}
+} }
 
 - (NSArray *) applications {
     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
 
     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
 
-    static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
+    static RegEx application_r("/Applications/(.*)\\.app/Info.plist");
     if (NSArray *files = [self files])
         for (NSString *file in files)
             if (application_r(file)) {
@@ -3509,7 +3490,6 @@ class CydiaLogCleaner :
     // XXX: actually implement this thing
     _assert(false);
     [self releasePackages];
-    apr_pool_destroy(pool_);
     NSRecycleZone(zone_);
     [super dealloc];
 }
@@ -3519,7 +3499,7 @@ class CydiaLogCleaner :
     std::istream is(&ib);
     std::string line;
 
-    static Pcre finish_r("^finish:([^:]*)$");
+    static RegEx finish_r("finish:([^:]*)");
 
     while (std::getline(is, line)) {
         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
@@ -3546,8 +3526,8 @@ class CydiaLogCleaner :
     std::istream is(&ib);
     std::string line;
 
-    static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
-    static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
+    static RegEx conffile_r("status: [^ ]* : conffile-prompt : (.*?) *");
+    static RegEx pmstatus_r("([^:]*):([^:]*):([^:]*):(.*)");
 
     while (std::getline(is, line)) {
         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
@@ -3640,7 +3620,6 @@ class CydiaLogCleaner :
         lock_ = NULL;
 
         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
-        apr_pool_create(&pool_, NULL);
 
         size_t capacity(MetaFile_->active_);
         if (capacity == 0)
@@ -3749,7 +3728,7 @@ class CydiaLogCleaner :
 
         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
 
-        static Pcre no_pubkey("^GPG error:.* NO_PUBKEY .*$");
+        static RegEx no_pubkey("GPG error:.* NO_PUBKEY .*");
         if (warning && no_pubkey(error.c_str()))
             continue;
 
@@ -3763,6 +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_;
@@ -3790,7 +3789,8 @@ class CydiaLogCleaner :
 
     cache_.Close();
 
-    apr_pool_clear(pool_);
+    pool_.~CYPool();
+    new (&pool_) CYPool();
 
     NSRecycleZone(zone_);
     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
@@ -3806,18 +3806,18 @@ class CydiaLogCleaner :
 
     list_ = new pkgSourceList();
     _profile(reloadDataWithInvocation$ReadMainList)
-    if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
+    if ([self popErrorWithTitle:title forReadList:*list_])
         return;
     _end
 
     _profile(reloadDataWithInvocation$Source$initWithMetaIndex)
     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
-        Source *object([[[Source alloc] initWithMetaIndex:*source forDatabase:self inPool:pool_] autorelease]);
+        Source *object([[[Source alloc] initWithMetaIndex:*source forDatabase:self inPool:&pool_] autorelease]);
         [sourceList_ addObject:object];
     }
     _end
 
-    _root(true) _system->Lock();
+    delock_ = GetStatusDate();
 
     _trace();
     OpProgress progress;
@@ -3854,7 +3854,6 @@ class CydiaLogCleaner :
             }
         }
 
-        _system->UnLock();
         return;
     }
     _trace();
@@ -3915,7 +3914,7 @@ class CydiaLogCleaner :
 
         _profile(reloadDataWithInvocation$packageWithIterator)
         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
-            if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
+            if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:&pool_ database:self])
                 //packages.push_back(package);
                 CFArrayAppendValue(packages_, CFRetain(package));
         _end
@@ -3980,9 +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(true) system([dpkg UTF8String]);
+    system([dpkg UTF8String]);
     _trace();
 }
 
@@ -4024,7 +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_));
@@ -4042,7 +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()]];
@@ -4083,9 +4082,27 @@ class CydiaLogCleaner :
     if (substrate)
         RestartSubstrate_ = true;
 
-    _system->UnLock();
-    pkgPackageManager::OrderResult result;
-    _root(true) result = 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;
 
@@ -4101,7 +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()]];
@@ -4111,6 +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_)])
@@ -4126,7 +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;
@@ -4141,8 +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];
@@ -4213,7 +4236,7 @@ class CydiaLogCleaner :
 static _H<NSMutableSet> Diversions_;
 
 @interface Diversion : NSObject {
-    Pcre pattern_;
+    RegEx pattern_;
     _H<NSString> key_;
     _H<NSString> format_;
 }
@@ -4315,7 +4338,6 @@ static _H<NSMutableSet> Diversions_;
         @"operator",
         @"role",
         @"serial",
-        @"token",
         @"version",
     nil];
 }
@@ -4394,10 +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:))
@@ -4410,8 +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))
@@ -4605,8 +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 {
@@ -4632,11 +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])
@@ -4721,41 +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(true) 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 {
@@ -4827,19 +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 {
@@ -4946,6 +4916,10 @@ static _H<NSMutableSet> Diversions_;
     return [CydiaWebViewController requestWithHeaders:[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source]];
 }
 
+- (NSURLRequest *) webThreadWebView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
+    return [CydiaWebViewController requestWithHeaders:[super webThreadWebView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source]];
+}
+
 + (NSURLRequest *) requestWithHeaders:(NSURLRequest *)request {
     NSMutableURLRequest *copy([[request mutableCopy] autorelease]);
 
@@ -4971,23 +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;
 }
@@ -5114,7 +5077,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
     if ([context isEqualToString:@"remove"]) {
         if (button == [alert cancelButtonIndex])
-            [self dismissModalViewControllerAnimated:YES];
+            [self _doContinue];
         else if (button == [alert firstOtherButtonIndex]) {
             [self performSelector:@selector(complete) withObject:nil afterDelay:0];
         }
@@ -5241,7 +5204,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
             pkgDepCache::StateCache &state(cache[iterator]);
 
-            static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
+            static RegEx special_r("(firmware|gsc\\..*|cy\\+.*)");
 
             if (state.NewInstall())
                 [installs addObject:name];
@@ -5568,31 +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(true) 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 {
@@ -6063,7 +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 {
@@ -6299,10 +6242,13 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
     if ([context isEqualToString:@"modify"]) {
         if (button != [sheet cancelButtonIndex]) {
-            [self _clickButtonWithName:buttons_[button].first];
+            if (IsWildcat_)
+                [self performSelector:@selector(_clickButtonWithName:) withObject:buttons_[button].first afterDelay:0];
+            else
+                [self _clickButtonWithName:buttons_[button].first];
         }
 
-        [sheet dismissWithClickedButtonIndex:-1 animated:YES];
+        [sheet dismissWithClickedButtonIndex:button animated:YES];
     }
 }
 
@@ -6913,7 +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"
@@ -6992,10 +6938,6 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     } return self;
 }
 
-- (void) setUpdate:(NSDate *)date {
-    [self beginUpdate];
-}
-
 - (void) beginUpdate {
     if (updating_)
         return;
@@ -7106,9 +7048,11 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 
     // on the iPad, this view controller is ALSO visible. :(
     if (IsWildcat_)
-        if (UIViewController *top = [self topViewController])
-            if (top != visible)
-                [top reloadData];
+        if (UIViewController *modal = [self modalViewController])
+            if ([modal modalPresentationStyle] == UIModalPresentationFormSheet)
+                if (UIViewController *top = [self topViewController])
+                    if (top != visible)
+                        [top reloadData];
 }
 
 - (void) unloadData {
@@ -7925,8 +7869,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 
     pid_t pid(ExecFork());
     if (pid == 0) {
-        FILE *dpkg(nullptr); // XXX: this is due to _root's if
-        _root(true) dpkg = popen("dpkg --set-selections", "w");
+        FILE *dpkg(popen("/usr/libexec/cydo --set-selections", "w"));
         fwrite(package, strlen(package), 1, dpkg);
 
         if (on)
@@ -8439,7 +8382,6 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
         if (source == nil) return;
 
         [Sources_ removeObjectForKey:[source key]];
-        Changed_ = true;
 
         [delegate_ _saveConfig];
         [delegate_ reloadDataWithInvocation:nil];
@@ -8602,7 +8544,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
             case 1: {
                 NSString *href = [[alert textField] text];
 
-                static Pcre href_r("^http(s?)://[^# ]*$");
+                static RegEx href_r("(http(s?)://|file:///)[^# ]*");
                 if (!href_r(href)) {
                     UIAlertView *alert = [[[UIAlertView alloc]
                         initWithTitle:[NSString stringWithFormat:Colon_, Error_, UCLocalize("INVALID_URL")]
@@ -8916,6 +8858,10 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     [super storeCachedResponse:cached forRequest:request];
 }
 
+- (void) createDiskCachePath {
+    [super createDiskCachePath];
+}
+
 @end
 
 @interface Cydia : UIApplication <
@@ -8926,6 +8872,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     _H<UIWindow> window_;
     _H<CydiaTabBarController> tabbar_;
     _H<CyteTabBarController> emulated_;
+    _H<AppCacheController> appcache_;
 
     _H<NSMutableArray> essential_;
     _H<NSMutableArray> broken_;
@@ -9039,29 +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);
-            _root(true) if (![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(true) CydiaWriteSources();
+    SaveConfig(database_);
 }
 
 // Navigation controller for the queuing badge.
@@ -9088,13 +9013,15 @@ 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]);
-        if (interval <= 0 && interval > -(15*60))
+        if (interval > -(15*60))
             recently = true;
     }
 
@@ -9112,14 +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 {
@@ -9163,6 +9090,7 @@ _profile(reloadDataWithInvocation)
         [self setApplicationIconBadgeNumber:0];
     }
 
+    Queuing_ = false;
     [self _updateData];
 
     if (hud != nil)
@@ -9205,8 +9133,6 @@ _end
 
 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
     UINavigationController *navigation([[[UINavigationController alloc] initWithRootViewController:controller] autorelease]);
-    if (IsWildcat_)
-        [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
 
     UIViewController *parent;
     if (emulated_ == nil)
@@ -9218,6 +9144,8 @@ _end
         parent = tabbar_;
     }
 
+    if (IsWildcat_)
+        [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
     [parent presentModalViewController:navigation animated:YES];
 }
 
@@ -9270,10 +9198,6 @@ _end
     CydiaAddSource(href, @"./");
 }
 
-- (void) updateValues {
-    Changed_ = true;
-}
-
 - (void) resolve {
     pkgProblemResolver *resolver = [database_ resolver];
 
@@ -9424,14 +9348,9 @@ _end
     } else if ([context isEqualToString:@"fixhalf"]) {
         if (button == [alert cancelButtonIndex]) {
             @synchronized (self) {
-                _root(false) for (Package *broken in (id) broken_) {
+                for (Package *broken in (id) broken_) {
                     [broken remove];
-
-                    NSString *id = [broken id];
-                    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];
@@ -9511,6 +9430,21 @@ _end
     return true;
 }
 
+- (void) suspendReturningToLastApp:(BOOL)returning {
+    if ([self isSafeToSuspend])
+        [super suspendReturningToLastApp:returning];
+}
+
+- (void) suspend {
+    if ([self isSafeToSuspend])
+        [super suspend];
+}
+
+- (void) applicationSuspend {
+    if ([self isSafeToSuspend])
+        [super applicationSuspend];
+}
+
 - (void) applicationSuspend:(__GSEvent *)event {
     if ([self isSafeToSuspend])
         [super applicationSuspend:event];
@@ -9687,10 +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];
 }
@@ -9699,8 +9634,37 @@ _end
     [self saveState];
 }
 
+- (void) applicationDidEnterBackground:(UIApplication *)application {
+    if (kCFCoreFoundationVersionNumber < 1000 && [self isSafeToSuspend])
+        return [self terminateWithSuccess];
+    Backgrounded_ = [NSDate date];
+    [self saveState];
+}
+
+- (void) applicationWillEnterForeground:(UIApplication *)application {
+    if (Backgrounded_ == nil)
+        return;
+
+    NSTimeInterval interval([Backgrounded_ timeIntervalSinceNow]);
+
+    if (interval <= -(30*60)) {
+        [tabbar_ setSelectedIndex:0];
+        [[[tabbar_ viewControllers] objectAtIndex:0] popToRootViewControllerAnimated:NO];
+    }
+
+    if (interval <= -(15*60)) {
+        if (IsReachable("cydia.saurik.com")) {
+            [tabbar_ beginUpdate];
+            [appcache_ reloadURLWithCache:YES];
+        }
+    }
+
+    if ([database_ delocked])
+        [self reloadData];
+}
+
 - (void) setConfigurationData:(NSString *)data {
-    static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
+    static RegEx conffile_r("'(.*)' '(.*)' ([01]) ([01])");
 
     if (!conffile_r(data)) {
         lprintf("E:invalid conffile\n");
@@ -9741,7 +9705,7 @@ _end
 - (void) stash {
     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
     UpdateExternalStatus(1);
-    _root(true) [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];
@@ -9843,7 +9807,8 @@ _trace();
     broken_ = [NSMutableArray arrayWithCapacity:4];
 
     // XXX: I really need this thing... like, seriously... I'm sorry
-    [[[AppCacheController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] reloadData];
+    appcache_ = [[[AppCacheController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] autorelease];
+    [appcache_ reloadData];
 
     window_ = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
     [window_ orderFront:self];
@@ -9880,7 +9845,6 @@ _trace();
     Stash_("/Library/Wallpaper");
     //Stash_("/usr/bin");
     Stash_("/usr/include");
-    Stash_("/usr/lib/pam");
     Stash_("/usr/share");
     //Stash_("/var/lib");
 
@@ -9930,8 +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];
 
@@ -9940,10 +9906,9 @@ _trace();
     if (saved == nil)
         valid = NO;
 
-    NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
+    NSDate *closed = [state objectForKey:@"LastClosed"];
     if (valid && closed != nil) {
         NSTimeInterval interval([closed timeIntervalSinceNow]);
-        // XXX: Is 30 minutes the optimal time here?
         if (interval <= -(30*60))
             valid = NO;
     }
@@ -10090,7 +10055,9 @@ MSHook(id, NSUserDefaults$objectForKey$, NSUserDefaults *self, SEL _cmd, NSStrin
 }
 
 int main(int argc, char *argv[]) {
-    seteuid(501);
+    int fd(open("/tmp/cydia.log", O_WRONLY | O_APPEND | O_CREAT, 0644));
+    dup2(fd, 2);
+    close(fd);
 
     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
 
@@ -10113,7 +10080,7 @@ int main(int argc, char *argv[]) {
 
     Idiom_ = IsWildcat_ ? @"ipad" : @"iphone";
 
-    Pcre pattern("^([0-9]+\\.[0-9]+)");
+    RegEx pattern("([0-9]+\\.[0-9]+).*");
 
     if (pattern([device systemVersion]))
         Firmware_ = pattern[1];
@@ -10125,7 +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];
@@ -10178,7 +10144,7 @@ int main(int argc, char *argv[]) {
         lang = NULL;
 
     if (lang != NULL) {
-        Pcre pattern("^([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?$");
+        RegEx pattern("([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?");
         lang = !pattern(lang) ? NULL : [pattern->*@"%1$@%2$@" UTF8String];
     }
 
@@ -10240,9 +10206,6 @@ int main(int argc, char *argv[]) {
         CollationStarts_ = [NSArray arrayWithObjects:@"a",@"b",@"c",@"d",@"e",@"f",@"g",@"h",@"i",@"j",@"k",@"l",@"m",@"n",@"o",@"p",@"q",@"r",@"s",@"t",@"u",@"v",@"w",@"x",@"y",@"z",@"ʒ",nil];
     }
     /* }}} */
-
-    apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
-
     /* Parse Arguments {{{ */
     bool substrate(false);
 
@@ -10328,55 +10291,59 @@ int main(int argc, char *argv[]) {
 
     NSString *agent([NSString stringWithFormat:@"Cydia/%@ CyF/%.2f", Cydia_, kCFCoreFoundationVersionNumber]);
 
-    if (Pcre match = Pcre("^[0-9]+(\\.[0-9]+)+", Safari_))
-        agent = [NSString stringWithFormat:@"Safari/%@ %@", match[0], agent];
-    if (Pcre match = Pcre("^[0-9]+[A-Z][0-9]+[a-z]?", System_))
-        agent = [NSString stringWithFormat:@"Mobile/%@ %@", match[0], agent];
-    if (Pcre match = Pcre("^[0-9]+(\\.[0-9]+)+", Product_))
-        agent = [NSString stringWithFormat:@"Version/%@ %@", match[0], agent];
+    if (RegEx match = RegEx("([0-9]+(\\.[0-9]+)+).*", Safari_))
+        agent = [NSString stringWithFormat:@"Safari/%@ %@", match[1], agent];
+    if (RegEx match = RegEx("([0-9]+[A-Z][0-9]+[a-z]?).*", System_))
+        agent = [NSString stringWithFormat:@"Mobile/%@ %@", match[1], agent];
+    if (RegEx match = RegEx("([0-9]+(\\.[0-9]+)+).*", Product_))
+        agent = [NSString stringWithFormat:@"Version/%@ %@", match[1], agent];
 
     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) {
@@ -10386,64 +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(true) CydiaWriteSources();
-
-    _trace();
-    _root(true) MetaFile_.Open("/var/lib/cydia/metadata.cb0");
-    _trace();
+    broken = nil;
 
-    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)
+        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(true) system("/usr/libexec/cydia/firmware.sh");
+        system("/usr/libexec/cydia/cydo /usr/libexec/cydia/firmware.sh");
         _trace();
     }
 
@@ -10471,10 +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();