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#include <mach/mach.h>
#include <mach-o/dyld.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <syslog.h>
#import <UIKit/UIKit.h>
#include <objc/runtime.h>
#include <pthread.h>
#include <dispatch/dispatch.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/param.h>
#include <sys/mount.h>
static NSString *bundle_identifier;
static id existing_icon;
static int tokens[3];
static Class MyIcon;
static id application_controller;
static id icon;
static id icon_controller;
static id icon_model;
// Remove Cancel
// Cancel Retry
// quit pause
static UIAlertView *alert_view;
static bool dont_hide_alert;
static NSString *display_name, *old_display_key;
static bool is_installing;
static int sock;
static inline NSString *_(NSString *key) {
NSString *r = [[NSBundle mainBundle] localizedStringForKey:key value:nil table:@"SpringBoard"];
//NSLog(@"_(%@) = %@", key, r);
return r;
@interface SBIconLabel {
@interface SBDownloadingIcon : NSObject {
-(void)setDisplayedIconImage:(id)image; // new
-(id)darkenedIconImage:(id)image alpha:(float)alpha;
@interface SBIconController {
-(void)addNewIconToDesignatedLocation:(id)icon animate:(BOOL)animate scrollToList:(BOOL)list saveIconState:(BOOL)save;
//-(void)iconUninstall:(id)icon; // also uninstallIcon:, uninstallIcon:animated:; lots of choice! this works but we want remove above instead
-(void)scrollToIconListContainingIcon:(id)icon animate:(BOOL)animate;
@interface SBApplicationController {
#if VERSION >= 0x040300
-(void)loadApplicationsAndIcons:(id)identifier reveal:(BOOL)reveal popIn:(BOOL)popIn reloadAllIcons:(BOOL)reloadAllIcons;
-(void)loadApplicationsAndIcons:(id)identifier reveal:(BOOL)reveal popIn:(BOOL)popIn;
@interface SBIconModel {
@interface SBPlatformController {
-(void)setValue:(id)value forCapability:(id)capability;
@interface SpringBoard : UIApplication {
-(void)quitTopApplication:(void *)application;
static void do_alert(NSString *title, NSString *message, NSString *cancel, NSString *retry) {
[alert_view dismissWithClickedButtonIndex:0 animated:YES]; // shouldn't happen!
alert_view = [[UIAlertView alloc] initWithTitle:title message:message delegate:icon cancelButtonTitle:cancel otherButtonTitles:retry, nil];
[alert_view show];
static void (^sk)() = ^{
if(!dont_hide_alert) [alert_view dismissWithClickedButtonIndex:0 animated:YES];
[alert_view setDelegate:nil];
[icon remove];
[icon release];
icon = nil;
[icon_controller setIconToReveal:nil];
sock = 0;
static NSString *MyIcon_displayName(id self, SEL sel) {
return display_name;
static NSString *MyIcon_applicationBundleID(id self, SEL sel) {
return bundle_identifier;
static void MyIcon_launch(id self, SEL sel) {
write(sock, "p", 1);
static BOOL MyIcon_allowsUninstall(id self, SEL sel) {
return !is_installing;
static void MyIcon_closeBoxTapped(id self, SEL sel) {
// don't download behind the user's back
write(sock, "p", 1);
do_alert(_(@"Remove Download"), @"Are you sure you want to remove “Cydia”?", _(@"GAMECENTER_DELETE_STATS_DELETE"), _(@"UNINSTALL_ICON_CANCEL"));
static void MyIcon_alertView_clickedButtonAtIndex(id self, SEL sel, UIAlertView *alertView, NSInteger buttonIndex) {
if(buttonIndex == 0) {
} else {
NSLog(@"%d", write(sock, "p", 1));
[alert_view release];
alert_view = nil;
static void set_progress(float progress) {
id _progress = nil;
object_getInstanceVariable(icon, "_progressView", (void **) &_progress);
[_progress setProgress:progress];
static void installed() {
NSLog(@"installed; existing_icon = %@", existing_icon);
if(existing_icon) {
[icon remove];
[icon_controller scrollToIconListContainingIcon:existing_icon animate:YES];
} else {
#if VERSION >= 0x040300
[application_controller loadApplicationsAndIcons:@"com.saurik.Cydia" reveal:YES popIn:NO reloadAllIcons:NO];
[application_controller loadApplicationsAndIcons:@"com.saurik.Cydia" reveal:YES popIn:NO];
[[icon_model applicationIconForDisplayIdentifier:@"com.saurik.Cydia"] reloadIconImage];
[icon release];
icon = nil;
static void *read_state(void *fp_) {
FILE *fp = fp_;
while(1) {
float progress;
// in a struct for block's benefit
struct { char state[128], errs[256]; } s;
char buf[1024];
if(!fgets(buf, sizeof(buf), fp) ||
sscanf(buf, "%128s\t%f\t%256[^\t]", s.state, &progress, s.errs) != 3) {
dispatch_async(dispatch_get_main_queue(), (dispatch_block_t) sk);
return NULL;
dispatch_async(dispatch_get_main_queue(), ^{
if(s.state[0] == '`') {
if(icon) {
if(s.errs[0] != '`') {
NSString *err = [NSString stringWithUTF8String:s.errs];
if(!strcmp(s.state, "INSTALLING_ICON_LABEL")) {
do_alert(@"There was a problem installing the jailbreak.", err, _(@"OK"), nil);
dont_hide_alert = true;
} else {
do_alert(@"There was a problem downloading the jailbreak files.", err, _(@"DATA_PLAN_FAILED_TRY_LATER"), _(@"DATA_PLAN_FAILED_TRY_AGAIN"));
NSString *display_key = [NSString stringWithCString:s.state encoding:NSUTF8StringEncoding];
if([display_key isEqualToString:old_display_key]) return;
[old_display_key release];
old_display_key = [display_key retain];
display_name = _(display_key);
[icon updateDisplayName];
if(is_installing = [display_key isEqualToString:@"INSTALLING_ICON_LABEL"]) {
[icon setShowsCloseBox:NO];
static void do_nothing() { }
static void init() {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSLog(@"i'm alive");
[[objc_getClass("SBPlatformController") sharedInstance] setValue:[NSNumber numberWithBool:NO] forCapability:@"hide-non-default-apps"];
struct sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(1021);
addr.sin_addr.s_addr = htonl(0x7f000001);
sock = socket(PF_INET, SOCK_STREAM, 0);
if(sock == -1) return;
if(connect(sock, (void *) &addr, sizeof(addr))) return;
FILE *fp = fdopen(sock, "r");
pthread_t thread;
pthread_create(&thread, NULL, read_state, fp);
application_controller = [objc_getClass("SBApplicationController") sharedInstance];
icon_model = [objc_getClass("SBIconModel") sharedInstance];
bundle_identifier = (existing_icon = [icon_model applicationIconForDisplayIdentifier:@"com.saurik.Cydia"]) ? @"com.saurik.Cydia.notreally" : @"com.saurik.Cydia";
Class SBDownloadingIcon = objc_getClass("SBDownloadingIcon");
char name[32];
sprintf(name, "MyIcon_%p", &init);
MyIcon = objc_allocateClassPair(SBDownloadingIcon, name, 0);
#define OVERRIDE(x) class_replaceMethod(MyIcon, @selector(x), (IMP) MyIcon_##x, "")
IMP setDisplayedIconImage = class_getMethodImplementation(SBDownloadingIcon, @selector(setDisplayedIconImage:));
class_replaceMethod(MyIcon, @selector(setDisplayedIconImage:), (IMP) do_nothing, "");
class_addMethod(MyIcon, @selector(alertView:clickedButtonAtIndex:), (IMP) MyIcon_alertView_clickedButtonAtIndex, "@:@l");
icon_controller = [objc_getClass("SBIconController") sharedInstance];
NSLog(@"icon_controller = %@", icon_controller);
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"done, MyIcon is now %p", MyIcon);
[(SpringBoard *) [UIApplication sharedApplication] quitTopApplication:NULL];
icon = [[MyIcon alloc] initWithLeafIdentifier:bundle_identifier];
[icon setDelegate:icon_controller];
display_name = _(@"WAITING_ICON_LABEL");
[icon_model addIcon:icon];
[icon_controller addNewIconToDesignatedLocation:icon animate:NO scrollToList:NO saveIconState:YES];
[icon_controller setIconToReveal:icon];
struct statfs sfs;
if(!statfs("/private/var", &sfs) && sfs.f_bavail < 20*1024*1024/sfs.f_bsize) {
do_alert(@"Can't jailbreak.", @"There is not enough free disk space. Please delete some photos or videos.", _(@"OK"), nil);
dont_hide_alert = true;
if(existing_icon) {
write(sock, "p", 1);
do_alert(@"Re-jailbreak?", @"Are you sure you want to install the bootstrap package even though a jailbreak is already installed? It will cause Cydia to forget which packages you have installed.", _(@"UNINSTALL_ICON_CANCEL"), @"Jailbreak");
bool _2x = [[UIScreen mainScreen] scale] > 1.5;
bool ipad = [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad;
NSString *icon_url = _2x ? @"" : @"";
if(ipad) icon_url = @"";
UIImage *icon_image = [UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:icon_url]]];
if(icon_image) {
icon_image = [icon darkenedIconImage:icon_image alpha:0.5];
if(_2x) icon_image = [UIImage imageWithCGImage:[icon_image CGImage] scale:2.0 orientation:UIImageOrientationUp];
((void (*)(id self, SEL sel, id image)) setDisplayedIconImage)(icon, nil, icon_image);
[pool release];