X-Git-Url: https://git.saurik.com/cydia.git/blobdiff_plain/826318ca9072e3d961df9b3b1a57ae5a487cee7d..f8c9fd4c9a853ca14ac1d1fb123e2e6200879bb4:/MobileCydia.mm

diff --git a/MobileCydia.mm b/MobileCydia.mm
index 76449115..3ed9cbd7 100644
--- a/MobileCydia.mm
+++ b/MobileCydia.mm
@@ -53,18 +53,19 @@
 #include <QuartzCore/CALayer.h>
 
 #include <WebCore/WebCoreThread.h>
-#include <WebKit/DOMHTMLIFrameElement.h>
 
 #include <algorithm>
+#include <fstream>
 #include <iomanip>
 #include <set>
 #include <sstream>
 #include <string>
 
-#include <ext/stdio_filebuf.h>
+#include "fdstream.hpp"
 
 #undef ABS
 
+#include "apt.h"
 #include <apt-pkg/acquire.h>
 #include <apt-pkg/acquire-item.h>
 #include <apt-pkg/algorithms.h>
@@ -111,7 +112,6 @@ extern "C" {
 #include "Substrate.hpp"
 #include "Menes/Menes.h"
 
-#include "CyteKit/IndirectDelegate.h"
 #include "CyteKit/RegEx.hpp"
 #include "CyteKit/TableViewCell.h"
 #include "CyteKit/TabBarController.h"
@@ -238,6 +238,16 @@ union SplitHash {
 };
 // }}}
 
+@implementation NSDictionary (Cydia)
+- (id) invokeUndefinedMethodFromWebScript:(NSString *)name withArguments:(NSArray *)arguments {
+    if (false);
+    else if ([name isEqualToString:@"get"])
+        return [self objectForKey:[arguments objectAtIndex:0]];
+    else if ([name isEqualToString:@"keys"])
+        return [self allKeys];
+    return nil;
+} @end
+
 static NSString *Colon_;
 NSString *Elision_;
 static NSString *Error_;
@@ -490,6 +500,10 @@ static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 }
 
+static _finline CFStringRef CYStringCreate(const std::string &data) {
+    return CYStringCreate(data.data(), data.size());
+}
+
 static _finline CFStringRef CYStringCreate(const char *data) {
     return CYStringCreate(data, strlen(data));
 }
@@ -1119,6 +1133,7 @@ typedef std::map< unsigned long, _H<Source> > SourceMap;
 
 + (Database *) sharedInstance;
 - (unsigned) era;
+- (bool) hasPackages;
 
 - (void) _readCydia:(NSNumber *)fd;
 - (void) _readStatus:(NSNumber *)fd;
@@ -1404,14 +1419,14 @@ struct PackageValue :
 
     char version_[8];
     char name_[];
-};
+} _packed;
 
 struct MetaValue :
     Cytore::Block
 {
     uint32_t active_;
     Cytore::Offset<PackageValue> packages_[1 << 16];
-};
+} _packed;
 
 static Cytore::File<MetaValue> MetaFile_;
 // }}}
@@ -2503,15 +2518,7 @@ struct PackageNameOrdering :
         _end
 
         _profile(Package$parse$Tagline)
-            const char *start, *end;
-            if (parser->ShortDesc(start, end)) {
-                const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
-                if (stop == NULL)
-                    stop = end;
-                while (stop != start && stop[-1] == '\r')
-                    --stop;
-                parsed->tagline_.set(pool_, start, stop - start);
-            }
+            parsed->tagline_.set(pool_, parser->ShortDesc());
         _end
 
         _profile(Package$parse$Retain)
@@ -2540,7 +2547,7 @@ struct PackageNameOrdering :
 
         version_ = version;
 
-        pkgCache::PkgIterator iterator(version.ParentPkg());
+        pkgCache::PkgIterator iterator(version_.ParentPkg());
         iterator_ = iterator;
 
         _profile(Package$initWithVersion$Version)
@@ -2548,7 +2555,7 @@ struct PackageNameOrdering :
         _end
 
         _profile(Package$initWithVersion$Cache)
-            name_.set(NULL, iterator.Display());
+            name_.set(NULL, version_.Display());
 
             latest_.set(NULL, StripVersion_(version_.VerStr()));
 
@@ -2612,7 +2619,11 @@ struct PackageNameOrdering :
         } while (false); _end
 
         _profile(Package$initWithVersion$Tags)
+#ifdef __arm64__
+            pkgCache::TagIterator tag(version_.TagList());
+#else
             pkgCache::TagIterator tag(iterator.TagList());
+#endif
             if (!tag.end()) {
                 tags_ = [NSMutableArray arrayWithCapacity:8];
 
@@ -2735,6 +2746,21 @@ struct PackageNameOrdering :
     return iterator_;
 }
 
+- (NSArray *) downgrades {
+    NSMutableArray *versions([NSMutableArray arrayWithCapacity:4]);
+
+    for (auto version(iterator_.VersionList()); !version.end(); ++version) {
+        if (version == version_)
+            continue;
+        Package *package([[[Package allocWithZone:NULL] initWithVersion:version withZone:NULL inPool:NULL database:database_] autorelease]);
+        if ([package source] == nil)
+            continue;
+        [versions addObject:package];
+    }
+
+    return versions;
+}
+
 - (NSString *) section {
     if (section$_ == nil) {
         if (section_ == NULL)
@@ -2754,7 +2780,10 @@ struct PackageNameOrdering :
 }
 
 - (NSString *) longSection {
-    return LocalizeSection([self section]);
+    if (NSString *section = [self section])
+        return LocalizeSection(section);
+    else
+        return nil;
 }
 
 - (NSString *) shortSection {
@@ -2824,23 +2853,12 @@ struct PackageNameOrdering :
 
 @synchronized (database_) {
     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
-
-    const char *start, *end;
-    if (!parser.ShortDesc(start, end))
+    std::string value(parser.ShortDesc());
+    if (value.empty())
         return nil;
-
-    if (end - start > 200)
-        end = start + 200;
-
-    /*
-    if (const char *stop = reinterpret_cast<const char *>(memchr(start, '\n', end - start)))
-        end = stop;
-
-    while (end != start && end[-1] == '\r')
-        --end;
-    */
-
-    return [(id) CYStringCreate(start, end - start) autorelease];
+    if (value.size() > 200)
+        value.resize(200);
+    return [(id) CYStringCreate(value) autorelease];
 } }
 
 - (unichar) index {
@@ -3328,6 +3346,9 @@ struct PackageNameOrdering :
 
 - (void) clear {
 @synchronized (database_) {
+    if ([database_ era] != era_ || file_.end())
+        return;
+
     pkgProblemResolver *resolver = [database_ resolver];
     resolver->Clear(iterator_);
 
@@ -3338,11 +3359,15 @@ struct PackageNameOrdering :
 
 - (void) install {
 @synchronized (database_) {
+    if ([database_ era] != era_ || file_.end())
+        return;
+
     pkgProblemResolver *resolver = [database_ resolver];
     resolver->Clear(iterator_);
     resolver->Protect(iterator_);
 
     pkgCacheFile &cache([database_ cache]);
+    cache->SetCandidateVersion(version_);
     cache->SetReInstall(iterator_, false);
     cache->MarkInstall(iterator_, false);
 
@@ -3353,6 +3378,9 @@ struct PackageNameOrdering :
 
 - (void) remove {
 @synchronized (database_) {
+    if ([database_ era] != era_ || file_.end())
+        return;
+
     pkgProblemResolver *resolver = [database_ resolver];
     resolver->Clear(iterator_);
     resolver->Remove(iterator_);
@@ -3494,6 +3522,10 @@ class CydiaLogCleaner :
     CFArrayRemoveAllValues(packages_);
 }
 
+- (bool) hasPackages {
+    return CFArrayGetCount(packages_) != 0;
+}
+
 - (void) dealloc {
     // XXX: actually implement this thing
     _assert(false);
@@ -3503,8 +3535,7 @@ class CydiaLogCleaner :
 }
 
 - (void) _readCydia:(NSNumber *)fd {
-    __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
-    std::istream is(&ib);
+    boost::fdistream is([fd intValue]);
     std::string line;
 
     static RegEx finish_r("finish:([^:]*)");
@@ -3530,8 +3561,7 @@ class CydiaLogCleaner :
 }
 
 - (void) _readStatus:(NSNumber *)fd {
-    __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
-    std::istream is(&ib);
+    boost::fdistream is([fd intValue]);
     std::string line;
 
     static RegEx conffile_r("status: [^ ]* : conffile-prompt : (.*?) *");
@@ -3587,8 +3617,7 @@ class CydiaLogCleaner :
 }
 
 - (void) _readOutput:(NSNumber *)fd {
-    __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
-    std::istream is(&ib);
+    boost::fdistream is([fd intValue]);
     std::string line;
 
     while (std::getline(is, line)) {
@@ -3615,7 +3644,11 @@ class CydiaLogCleaner :
 @synchronized (self) {
     if (static_cast<pkgDepCache *>(cache_) == NULL)
         return nil;
-    pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
+    pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]
+#ifdef __arm64__
+        , "any"
+#endif
+    ));
     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:NULL database:self];
 } }
 
@@ -3839,7 +3872,7 @@ class CydiaLogCleaner :
         opened = cache_.Open(progress, false);
     _end
     if (!opened) {
-        // XXX: what if there are errors, but Open() == true? this should be merged with popError:
+        // XXX: this block should probably be merged with popError: in some way
         while (!_error->empty()) {
             std::string error;
             bool warning(!_error->PopMessage(error));
@@ -3867,7 +3900,8 @@ class CydiaLogCleaner :
         }
 
         return;
-    }
+    } else if ([self popErrorWithTitle:title forOperation:true])
+        return;
     _trace();
 
     unlink("/tmp/cydia.chk");
@@ -4107,10 +4141,8 @@ class CydiaLogCleaner :
     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 %@ %@", ShellEscape(nextended), ShellEscape(oextended)] UTF8String]);
-        system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /bin/chown 0:0 %@", ShellEscape(oextended)] UTF8String]);
-    }
+    if (stat([nextended UTF8String], &info) != -1 && (info.st_mode & S_IFMT) == S_IFREG)
+        system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /bin/cp --remove-destination %@ %@", ShellEscape(nextended), ShellEscape(oextended)] UTF8String]);
 
     unlink([nextended UTF8String]);
     symlink([oextended UTF8String], [nextended UTF8String]);
@@ -4304,7 +4336,7 @@ static _H<NSMutableSet> Diversions_;
     _transient id delegate_;
 }
 
-- (id) initWithDelegate:(IndirectDelegate *)indirect;
+- (id) initWithDelegate:(CyteWebViewController *)indirect;
 
 @end
 
@@ -4324,9 +4356,9 @@ static _H<NSMutableSet> Diversions_;
 /* Web Scripting {{{ */
 @implementation CydiaObject
 
-- (id) initWithDelegate:(IndirectDelegate *)indirect {
+- (id) initWithDelegate:(CyteWebViewController *)indirect {
     if ((self = [super init]) != nil) {
-        indirect_ = (CyteWebViewController *) indirect;
+        indirect_ = indirect;
     } return self;
 }
 
@@ -4336,8 +4368,10 @@ static _H<NSMutableSet> Diversions_;
 
 + (NSArray *) _attributeKeys {
     return [NSArray arrayWithObjects:
+        @"bittage",
         @"bbsnum",
         @"build",
+        @"cells",
         @"coreFoundationVersionNumber",
         @"device",
         @"ecid",
@@ -4366,6 +4400,17 @@ static _H<NSMutableSet> Diversions_;
     return Cydia_;
 }
 
+- (unsigned) bittage {
+#if 0
+#elif defined(__arm64__)
+    return 64;
+#elif defined(__arm__)
+    return 32;
+#else
+    return 0;
+#endif
+}
+
 - (NSString *) build {
     return System_;
 }
@@ -4390,6 +4435,29 @@ static _H<NSMutableSet> Diversions_;
     return (id) Idiom_ ?: [NSNull null];
 }
 
+- (NSArray *) cells {
+    auto *$_CTServerConnectionCreate(reinterpret_cast<id (*)(void *, void *, void *)>(dlsym(RTLD_DEFAULT, "_CTServerConnectionCreate")));
+    if ($_CTServerConnectionCreate == NULL)
+        return nil;
+
+    struct CTResult { int flag; int error; };
+    auto *$_CTServerConnectionCellMonitorCopyCellInfo(reinterpret_cast<CTResult (*)(CFTypeRef, void *, CFArrayRef *)>(dlsym(RTLD_DEFAULT, "_CTServerConnectionCellMonitorCopyCellInfo")));
+    if ($_CTServerConnectionCellMonitorCopyCellInfo == NULL)
+        return nil;
+
+    _H<const void> connection($_CTServerConnectionCreate(NULL, NULL, NULL), true);
+    if (connection == nil)
+        return nil;
+
+    int count(0);
+    CFArrayRef cells(NULL);
+    auto result($_CTServerConnectionCellMonitorCopyCellInfo(connection, &count, &cells));
+    if (result.flag != 0)
+        return nil;
+
+    return [(NSArray *) cells autorelease];
+}
+
 - (NSString *) mcc {
     if (CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode")))
         return [(NSString *) (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault) autorelease];
@@ -4573,10 +4641,7 @@ static _H<NSMutableSet> Diversions_;
 }
 
 - (NSArray *) getDisplayIdentifiers {
-    NSSet *set([SBSCopyDisplayIdentifiers() autorelease]);
-    if (set == nil || ![set isKindOfClass:[NSSet class]])
-        return [NSArray array];
-    return [set allObjects];
+    return SBSCopyApplicationDisplayIdentifiers(false, false);
 }
 
 - (NSString *) getLocalizedNameForDisplayIdentifier:(NSString *)identifier {
@@ -4795,10 +4860,16 @@ static _H<NSMutableSet> Diversions_;
 }
 
 - (NSString *) substitutePackageNames:(NSString *)message {
+    auto database([Database sharedInstance]);
+
+    // XXX: this check is less racy than you'd expect, but this entire concept is a little awkward
+    if (![database hasPackages])
+        return message;
+
     NSMutableArray *words([[[message componentsSeparatedByString:@" "] mutableCopy] autorelease]);
     for (size_t i(0), e([words count]); i != e; ++i) {
         NSString *word([words objectAtIndex:i]);
-        if (Package *package = [[Database sharedInstance] packageWithName:word])
+        if (Package *package = [database packageWithName:word])
             [words replaceObjectAtIndex:i withObject:[package name]];
     }
 
@@ -4906,7 +4977,10 @@ static _H<NSMutableSet> Diversions_;
 @implementation CydiaWebViewController
 
 - (NSURL *) navigationURL {
-    return request_ == nil ? nil : [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request_ URL] absoluteString]]];
+    if (NSURLRequest *request = self.request)
+        return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request URL] absoluteString]]];
+    else
+        return nil;
 }
 
 + (void) _initialize {
@@ -5009,7 +5083,7 @@ static _H<NSMutableSet> Diversions_;
 
 - (id) init {
     if ((self = [super initWithWidth:0 ofClass:[CydiaWebViewController class]]) != nil) {
-        cydia_ = [[[CydiaObject alloc] initWithDelegate:indirect_] autorelease];
+        cydia_ = [[[CydiaObject alloc] initWithDelegate:self.indirect] autorelease];
     } return self;
 }
 
@@ -5112,7 +5186,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 - (void) complete {
     if (substrate_)
         RestartSubstrate_ = true;
-    [delegate_ confirmWithNavigationController:[self navigationController]];
+    [self.delegate confirmWithNavigationController:[self navigationController]];
 }
 
 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
@@ -5135,7 +5209,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) _doContinue {
-    [delegate_ cancelAndClear:NO];
+    [self.delegate cancelAndClear:NO];
     [self dismissModalViewControllerAnimated:YES];
 }
 
@@ -5358,7 +5432,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 #endif
 
 - (void) cancelButtonClicked {
-    [delegate_ cancelAndClear:YES];
+    [self.delegate cancelAndClear:YES];
     [self dismissModalViewControllerAnimated:YES];
 }
 
@@ -5542,7 +5616,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
     if ((self = [super init]) != nil) {
         database_ = database;
-        delegate_ = delegate;
+        self.delegate = delegate;
 
         [database_ setProgressDelegate:self];
 
@@ -5551,7 +5625,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
 
-        [scroller_ setBackgroundColor:[UIColor blackColor]];
+        [self setPageColor:[UIColor blackColor]];
 
         [[self navigationItem] setHidesBackButton:YES];
 
@@ -5577,19 +5651,19 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     UpdateExternalStatus(0);
 
     if (Finish_ > 1)
-        [delegate_ saveState];
+        [self.delegate saveState];
 
     switch (Finish_) {
         case 0:
-            [delegate_ returnToCydia];
+            [self.delegate returnToCydia];
         break;
 
         case 1:
-            [delegate_ terminateWithSuccess];
-            /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
-                [delegate_ suspendWithAnimation:YES];
+            [self.delegate terminateWithSuccess];
+            /*if ([self.delegate respondsToSelector:@selector(suspendWithAnimation:)])
+                [self.delegate suspendWithAnimation:YES];
             else
-                [delegate_ suspend];*/
+                [self.delegate suspend];*/
         break;
 
         case 2:
@@ -5601,9 +5675,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             goto reload;
 
         reload: {
-            UIProgressHUD *hud([delegate_ addProgressHUD]);
+            UIProgressHUD *hud([self.delegate addProgressHUD]);
             [hud setText:UCLocalize("LOADING")];
-            [delegate_ performSelector:@selector(reloadSpringBoard) withObject:nil afterDelay:0.5];
+            [self.delegate performSelector:@selector(reloadSpringBoard) withObject:nil afterDelay:0.5];
             return;
         }
 
@@ -5801,12 +5875,12 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         UIView *content([self contentView]);
         CGRect bounds([content bounds]);
 
-        content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
-        [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
-        [content addSubview:content_];
+        self.content = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
+        [self.content setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
+        [content addSubview:self.content];
 
-        [content_ setDelegate:self];
-        [content_ setOpaque:YES];
+        [self.content setDelegate:self];
+        [self.content setOpaque:YES];
     } return self;
 }
 
@@ -5825,7 +5899,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     placard_ = nil;
 
     if (package == nil)
-        [content_ setBackgroundColor:[UIColor whiteColor]];
+        [self.content setBackgroundColor:[UIColor whiteColor]];
     else {
         [package parse];
 
@@ -5885,18 +5959,18 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
                 placard = nil;
         }
 
-        [content_ setBackgroundColor:color];
+        [self.content setBackgroundColor:color];
 
         if (placard != nil)
             placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]];
     }
 
     [self setNeedsDisplay];
-    [content_ setNeedsDisplay];
+    [self.content setNeedsDisplay];
 }
 
 - (void) drawSummaryContentRect:(CGRect)rect {
-    bool highlighted(highlighted_);
+    bool highlighted(self.highlighted);
     float width([self bounds].size.width);
 
     if (icon_ != nil) {
@@ -5939,7 +6013,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) drawNormalContentRect:(CGRect)rect {
-    bool highlighted(highlighted_);
+    bool highlighted(self.highlighted);
     float width([self bounds].size.width);
 
     if (icon_ != nil) {
@@ -6024,12 +6098,12 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         UIView *content([self contentView]);
         CGRect bounds([content bounds]);
 
-        content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
-        [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
-        [content addSubview:content_];
-        [content_ setBackgroundColor:[UIColor whiteColor]];
+        self.content = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
+        [self.content setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
+        [content addSubview:self.content];
+        [self.content setBackgroundColor:[UIColor whiteColor]];
 
-        [content_ setDelegate:self];
+        [self.content setDelegate:self];
     } return self;
 }
 
@@ -6074,7 +6148,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
 
-    [content_ setNeedsDisplay];
+    [self.content setNeedsDisplay];
 }
 
 - (void) setFrame:(CGRect)frame {
@@ -6089,7 +6163,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) drawContentRect:(CGRect)rect {
-    bool highlighted(highlighted_ && !editing_);
+    bool highlighted(self.highlighted && !editing_);
 
     [icon_ drawInRect:CGRectMake(7, 7, 32, 32)];
 
@@ -6217,7 +6291,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
                 NSString *directory = [stack lastObject];
                 [stack addObject:[file stringByAppendingString:@"/"]];
                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
-                    ([stack count] - 2) * 3, "",
+                    int(([stack count] - 2) * 3), "",
                     [file substringFromIndex:[directory length]]
                 ]];
             }
@@ -6244,7 +6318,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     _H<NSString> name_;
     bool commercial_;
     std::vector<std::pair<_H<NSString>, _H<NSString>>> buttons_;
+    _H<UIActionSheet> sheet_;
     _H<UIBarButtonItem> button_;
+    _H<NSArray> versions_;
 }
 
 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name withReferrer:(NSString *)referrer;
@@ -6257,22 +6333,44 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
 }
 
+- (void) _clickButtonWithPackage:(Package *)package {
+    [self.delegate installPackage:package];
+}
+
 - (void) _clickButtonWithName:(NSString *)name {
     if ([name isEqualToString:@"CLEAR"])
-        [delegate_ clearPackage:package_];
-    else if ([name isEqualToString:@"INSTALL"])
-        [delegate_ installPackage:package_];
-    else if ([name isEqualToString:@"REINSTALL"])
-        [delegate_ installPackage:package_];
+        return [self.delegate clearPackage:package_];
     else if ([name isEqualToString:@"REMOVE"])
-        [delegate_ removePackage:package_];
-    else if ([name isEqualToString:@"UPGRADE"])
-        [delegate_ installPackage:package_];
+        return [self.delegate removePackage:package_];
+    else if ([name isEqualToString:@"DOWNGRADE"]) {
+        sheet_ = [[[UIActionSheet alloc]
+            initWithTitle:nil
+            delegate:self
+            cancelButtonTitle:nil
+            destructiveButtonTitle:nil
+            otherButtonTitles:nil
+        ] autorelease];
+
+        for (Package *version in (id) versions_)
+            [sheet_ addButtonWithTitle:[version latest]];
+        [sheet_ setContext:@"version"];
+
+        [self.delegate showActionSheet:sheet_ fromItem:[[self navigationItem] rightBarButtonItem]];
+        return;
+    }
+
+    else if ([name isEqualToString:@"INSTALL"]);
+    else if ([name isEqualToString:@"REINSTALL"]);
+    else if ([name isEqualToString:@"UPGRADE"]);
     else _assert(false);
+
+    [self.delegate installPackage:package_];
 }
 
 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
     NSString *context([sheet context]);
+    if (sheet_ == sheet)
+        sheet_ = nil;
 
     if ([context isEqualToString:@"modify"]) {
         if (button != [sheet cancelButtonIndex]) {
@@ -6282,6 +6380,16 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
                 [self _clickButtonWithName:buttons_[button].first];
         }
 
+        [sheet dismissWithClickedButtonIndex:button animated:YES];
+    } else if ([context isEqualToString:@"version"]) {
+        if (button != [sheet cancelButtonIndex]) {
+            Package *version([versions_ objectAtIndex:button]);
+            if (IsWildcat_)
+                [self performSelector:@selector(_clickButtonWithPackage:) withObject:version afterDelay:0];
+            else
+                [self _clickButtonWithPackage:version];
+        }
+
         [sheet dismissWithClickedButtonIndex:button animated:YES];
     }
 }
@@ -6292,6 +6400,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
 #if !AlwaysReload
 - (void) _customButtonClicked {
+    if (commercial_ && [package_ uninstalled])
+        return [self reloadURLWithCache:NO];
+
     size_t count(buttons_.size());
     if (count == 0)
         return;
@@ -6303,7 +6414,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         for (const auto &button : buttons_)
             [buttons addObject:button.second];
 
-        UIActionSheet *sheet = [[[UIActionSheet alloc]
+        sheet_ = [[[UIActionSheet alloc]
             initWithTitle:nil
             delegate:self
             cancelButtonTitle:nil
@@ -6311,23 +6422,14 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             otherButtonTitles:nil
         ] autorelease];
 
-        for (NSString *button in buttons) [sheet addButtonWithTitle:button];
-        if (!IsWildcat_) {
-           [sheet addButtonWithTitle:UCLocalize("CANCEL")];
-           [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
-        }
-        [sheet setContext:@"modify"];
+        for (NSString *button in buttons)
+            [sheet_ addButtonWithTitle:button];
+        [sheet_ setContext:@"modify"];
 
-        [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
+        [self.delegate showActionSheet:sheet_ fromItem:[[self navigationItem] rightBarButtonItem]];
     }
 }
 
-- (void) reloadButtonClicked {
-    if (commercial_ && function_ == nil && [package_ uninstalled])
-        return;
-    [self customButtonClicked];
-}
-
 - (void) applyLoadingTitle {
     // Don't show "Loading" as the title. Ever.
 }
@@ -6352,7 +6454,11 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 - (void) reloadData {
     [super reloadData];
 
+    [sheet_ dismissWithClickedButtonIndex:[sheet_ cancelButtonIndex] animated:YES];
+    sheet_ = nil;
+
     package_ = [database_ packageWithName:name_];
+    versions_ = [package_ downgrades];
 
     buttons_.clear();
 
@@ -6372,6 +6478,8 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             buttons_.push_back(std::make_pair(@"REINSTALL", UCLocalize("REINSTALL")));
         if (![package_ uninstalled])
             buttons_.push_back(std::make_pair(@"REMOVE", UCLocalize("REMOVE")));
+        if ([versions_ count] != 0)
+            buttons_.push_back(std::make_pair(@"DOWNGRADE", UCLocalize("DOWNGRADE")));
     }
 
     NSString *title;
@@ -6415,7 +6523,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
-- (void) setDelegate:(id)delegate;
 - (void) resetCursor;
 - (void) clearData;
 
@@ -6528,7 +6635,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
 - (void) didSelectPackage:(Package *)package {
     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id] withReferrer:[[self referrerURL] absoluteString]] autorelease]);
-    [view setDelegate:delegate_];
+    [view setDelegate:self.delegate];
     [[self navigationController] pushViewController:view animated:YES];
 }
 
@@ -6626,10 +6733,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [super releaseSubviews];
 }
 
-- (void) setDelegate:(id)delegate {
-    delegate_ = delegate;
-}
-
 - (bool) shouldYield {
     return false;
 }
@@ -6662,7 +6765,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             if (![self shouldBlock])
                 hud = nil;
             else {
-                hud = [delegate_ addProgressHUD];
+                hud = [self.delegate addProgressHUD];
                 [hud setText:UCLocalize("LOADING")];
             }
 
@@ -6670,7 +6773,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             packages = [self yieldToSelector:@selector(_reloadPackages)];
 
             if (hud != nil)
-                [delegate_ removeProgressHUD:hud];
+                [self.delegate removeProgressHUD:hud];
         } while (reloading_ == 2);
     } else {
         packages = [self _reloadPackages];
@@ -7337,7 +7440,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     if (editing)
         [list_ reloadData];
     else
-        [delegate_ updateData];
+        [self.delegate updateData];
 
     [self updateNavigationItem];
 }
@@ -7399,7 +7502,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
         source:[self source]
         section:[section name]
     ] autorelease];
-    [controller setDelegate:delegate_];
+    [controller setDelegate:self.delegate];
 
     [[self navigationController] pushViewController:controller animated:YES];
 }
@@ -7544,7 +7647,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 }
 
 - (void) setLeftBarButtonItem {
-    if ([delegate_ updating])
+    if ([self.delegate updating])
         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
             initWithTitle:UCLocalize("CANCEL")
             style:UIBarButtonItemStyleDone
@@ -7561,16 +7664,16 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 }
 
 - (void) refreshButtonClicked {
-    if ([delegate_ requestUpdate])
+    if ([self.delegate requestUpdate])
         [self setLeftBarButtonItem];
 }
 
 - (void) cancelButtonClicked {
-    [delegate_ cancelUpdate];
+    [self.delegate cancelUpdate];
 }
 
 - (void) upgradeButtonClicked {
-    [delegate_ distUpgrade];
+    [self.delegate distUpgrade];
     [[self navigationItem] setRightBarButtonItem:nil animated:YES];
 }
 
@@ -7915,7 +8018,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     if (package_ == nil)
         return;
     if ([package_ setSubscribed:value])
-        [delegate_ updateData];
+        [self.delegate updateData];
 }
 
 - (void) _updateIgnored {
@@ -7938,7 +8041,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     [invocation setTarget:self];
     [invocation setSelector:@selector(_updateIgnored)];
 
-    [delegate_ reloadDataWithInvocation:invocation];
+    [self.delegate reloadDataWithInvocation:invocation];
 }
 
 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
@@ -8129,7 +8232,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 
 #if !AlwaysReload
 - (void) queueButtonClicked {
-    [delegate_ queue];
+    [self.delegate queue];
 }
 #endif
 
@@ -8179,7 +8282,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 - (void) _setImage:(NSArray *)data {
     if ([url_ isEqual:[data objectAtIndex:0]]) {
         icon_ = [data objectAtIndex:1];
-        [content_ setNeedsDisplay];
+        [self.content setNeedsDisplay];
     }
 }
 
@@ -8213,7 +8316,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     origin_ = [source name];
     label_ = [source rooturi];
 
-    [content_ setNeedsDisplay];
+    [self.content setNeedsDisplay];
 
     url_ = [source iconURL];
     [NSThread detachNewThreadSelector:@selector(_setSource:) toTarget:self withObject:url_];
@@ -8226,7 +8329,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     icon_ = [UIImage imageNamed:@"folder.png"];
     origin_ = UCLocalize("ALL_SOURCES");
     label_ = UCLocalize("ALL_SOURCES_EX");
-    [content_ setNeedsDisplay];
+    [self.content setNeedsDisplay];
 }
 
 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
@@ -8234,19 +8337,19 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
         UIView *content([self contentView]);
         CGRect bounds([content bounds]);
 
-        content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
-        [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
-        [content_ setBackgroundColor:[UIColor whiteColor]];
-        [content addSubview:content_];
+        self.content = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
+        [self.content setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
+        [self.content setBackgroundColor:[UIColor whiteColor]];
+        [content addSubview:self.content];
 
-        [content_ setDelegate:self];
-        [content_ setOpaque:YES];
+        [self.content setDelegate:self];
+        [self.content setOpaque:YES];
 
         indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGraySmall] autorelease];
         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin];// | UIViewAutoresizingFlexibleBottomMargin];
         [content addSubview:indicator_];
 
-        [[content_ layer] setContentsGravity:kCAGravityTopLeft];
+        [[self.content layer] setContentsGravity:kCAGravityTopLeft];
     } return self;
 }
 
@@ -8270,7 +8373,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 }
 
 - (void) drawContentRect:(CGRect)rect {
-    bool highlighted(highlighted_);
+    bool highlighted(self.highlighted);
     float width(rect.size.width);
 
     if (icon_ != nil) {
@@ -8414,7 +8517,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
         source:[self sourceAtIndexPath:indexPath]
     ] autorelease]);
 
-    [controller setDelegate:delegate_];
+    [controller setDelegate:self.delegate];
     [[self navigationController] pushViewController:controller animated:YES];
 }
 
@@ -8433,8 +8536,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 
         [Sources_ removeObjectForKey:[source key]];
 
-        [delegate_ _saveConfig];
-        [delegate_ reloadDataWithInvocation:nil];
+        [self.delegate syncData];
     }
 }
 
@@ -8443,10 +8545,10 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 }
 
 - (void) complete {
-    [delegate_ addTrivialSource:href_];
+    [self.delegate addTrivialSource:href_];
     href_ = nil;
 
-    [delegate_ syncData];
+    [self.delegate syncData];
 }
 
 - (NSString *) getWarning {
@@ -8485,9 +8587,9 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     ) {
         NSString *warning(cydia_ ? [self yieldToSelector:@selector(getWarning)] : nil);
 
-        [delegate_ releaseNetworkActivityIndicator];
+        [self.delegate releaseNetworkActivityIndicator];
 
-        [delegate_ removeProgressHUD:hud_];
+        [self.delegate removeProgressHUD:hud_];
         hud_ = nil;
 
         if (cydia_) {
@@ -8604,9 +8706,9 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
                 cydia_ = false;
 
                 // XXX: this is stupid
-                hud_ = [delegate_ addProgressHUD];
+                hud_ = [self.delegate addProgressHUD];
                 [hud_ setText:UCLocalize("VERIFYING_URL")];
-                [delegate_ retainNetworkActivityIndicator];
+                [self.delegate retainNetworkActivityIndicator];
             } break;
 
             case 0:
@@ -8646,7 +8748,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
             target:self
             action:@selector(addButtonClicked)
         ] autorelease] animated:animated];
-    else if ([delegate_ updating])
+    else if ([self.delegate updating])
         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
             initWithTitle:UCLocalize("CANCEL")
             style:UIBarButtonItemStyleDone
@@ -8746,7 +8848,7 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
     [alert setNumberOfRows:1];
     [alert addTextFieldWithValue:@"http://" label:@""];
 
-    UITextInputTraits *traits = [[alert textField] textInputTraits];
+    NSObject<UITextInputTraits> *traits = [[alert textField] textInputTraits];
     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
     [traits setKeyboardType:UIKeyboardTypeURL];
@@ -8761,12 +8863,12 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 }
 
 - (void) refreshButtonClicked {
-    if ([delegate_ requestUpdate])
+    if ([self.delegate requestUpdate])
         [self updateButtonsForEditingStatusAnimated:YES];
 }
 
 - (void) cancelButtonClicked {
-    [delegate_ cancelUpdate];
+    [self.delegate cancelUpdate];
 }
 
 - (void) editButtonClicked {
@@ -9020,9 +9122,9 @@ static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachabi
 
 - (void) reloadSpringBoard {
     if (kCFCoreFoundationVersionNumber >= 700) // XXX: iOS 6.x
-        system("/bin/launchctl stop com.apple.backboardd");
+        system("/usr/libexec/cydia/cydo /bin/launchctl stop com.apple.backboardd");
     else
-        system("/bin/launchctl stop com.apple.SpringBoard");
+        system("/usr/libexec/cydia/cydo /bin/launchctl stop com.apple.SpringBoard");
     sleep(15);
     system("/usr/bin/killall backboardd SpringBoard");
 }
@@ -9496,7 +9598,7 @@ _end
         [super applicationSuspend];
 }
 
-- (void) applicationSuspend:(__GSEvent *)event {
+- (void) applicationSuspend:(GSEventRef)event {
     if ([self isSafeToSuspend])
         [super applicationSuspend:event];
 }
@@ -10010,6 +10112,11 @@ _trace();
 }
 
 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
+    if (!IsWildcat_) {
+       [sheet addButtonWithTitle:UCLocalize("CANCEL")];
+       [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
+    }
+
     if (item != nil && IsWildcat_) {
         [sheet showFromBarButtonItem:item animated:YES];
     } else {
@@ -10113,7 +10220,18 @@ static NSMutableDictionary *AutoreleaseDeepMutableCopyOfDictionary(CFTypeRef typ
     return [(NSMutableDictionary *) copy autorelease];
 }
 
+int main_store(int, char *argv[]);
+
 int main(int argc, char *argv[]) {
+#ifdef __arm64__
+    const char *argv0(argv[0]);
+    if (const char *slash = strrchr(argv0, '/'))
+        argv0 = slash + 1;
+    if (false);
+    else if (!strcmp(argv0, "store"))
+        return main_store(argc, argv);
+#endif
+
     int fd(open("/tmp/cydia.log", O_WRONLY | O_APPEND | O_CREAT, 0644));
     dup2(fd, 2);
     close(fd);
@@ -10190,29 +10308,28 @@ int main(int argc, char *argv[]) {
     Locale_ = CFLocaleCopyCurrent();
     Languages_ = [NSLocale preferredLanguages];
 
-    //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
-    //NSLog(@"%@", [Languages_ description]);
+    std::string languages;
+    const char *translation(NULL);
 
-    const char *lang;
+    // XXX: this isn't really a language, but this is compatible with older Cydia builds
     if (Locale_ != NULL)
-        lang = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String];
-    else if (Languages_ != nil && [Languages_ count] != 0)
-        lang = [[Languages_ objectAtIndex:0] UTF8String];
-    else
-        // XXX: consider just setting to C and then falling through?
-        lang = NULL;
-
-    if (lang != NULL) {
-        RegEx pattern("([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?");
-        lang = !pattern(lang) ? NULL : [pattern->*@"%1$@%2$@" UTF8String];
-    }
+        if (const char *language = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String]) {
+            RegEx pattern("([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?");
+            if (pattern(language)) {
+                translation = strdup([pattern->*@"%1$@%2$@" UTF8String]);
+                languages += translation;
+                languages += ",";
+            }
+        }
 
-    NSLog(@"Setting Language: %s", lang);
+    if (Languages_ != nil)
+        for (NSString *language : Languages_) {
+            languages += [language UTF8String];
+            languages += ",";
+        }
 
-    if (lang != NULL) {
-        setenv("LANG", lang, true);
-        std::setlocale(LC_ALL, lang);
-    }
+    languages += "en";
+    NSLog(@"Setting Language: [%s] %s", translation, languages.c_str());
     /* }}} */
     /* Index Collation {{{ */
     if (Class $UILocalizedIndexedCollation = objc_getClass("UILocalizedIndexedCollation")) { @try {
@@ -10293,6 +10410,7 @@ int main(int argc, char *argv[]) {
     Advanced_ = YES;
 
     Cache_ = [[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia", @"/var/mobile"] retain];
+    mkdir([Cache_ UTF8String], 0755);
 
     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
     alloc_ = alloc->method_imp;
@@ -10457,15 +10575,21 @@ int main(int argc, char *argv[]) {
     _assert(pkgInitConfig(*_config));
     _assert(pkgInitSystem(*_config, _system));
 
-    if (lang != NULL)
-        _config->Set("APT::Acquire::Translation", lang);
+    _config->Set("Acquire::AllowInsecureRepositories", true);
+    _config->Set("Acquire::Check-Valid-Until", false);
+    _config->Set("Dir::Bin::Methods::store", "/Applications/Cydia.app/store");
+
+    _config->Set("pkgCacheGen::ForceEssential", "");
+
+    if (translation != NULL)
+        _config->Set("APT::Acquire::Translation", translation);
+    _config->Set("Acquire::Languages", languages);
 
     // XXX: this timeout might be important :(
     //_config->Set("Acquire::http::Timeout", 15);
 
     _config->Set("Acquire::http::MaxParallel", usermem >= 384 * 1024 * 1024 ? 16 : 3);
 
-    mkdir([Cache_ UTF8String], 0755);
     mkdir([Cache("archives") UTF8String], 0755);
     mkdir([Cache("archives/partial") UTF8String], 0755);
     _config->Set("Dir::Cache", [Cache_ UTF8String]);
@@ -10480,7 +10604,7 @@ int main(int argc, char *argv[]) {
 
     std::string logs("/var/mobile/Library/Logs/Cydia");
     mkdir(logs.c_str(), 0755);
-    _config->Set("Dir::Log::Terminal", logs + "/apt.log");
+    _config->Set("Dir::Log", logs);
 
     _config->Set("Dir::Bin::dpkg", "/usr/libexec/cydia/cydo");
     /* }}} */