FreeRDP/client/iOS/Misc/Utils.m
2016-10-06 13:43:08 +02:00

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/*
Utility functions
Copyright 2013 Thincast Technologies GmbH, Authors: Martin Fleisz, Dorian Johnson
This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#import "Utils.h"
#import "OrderedDictionary.h"
#import "TSXAdditions.h"
#import <freerdp/input.h>
#import <freerdp/version.h>
#import "config.h"
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/socket.h>
#include <ifaddrs.h>
#include <net/if_dl.h>
BOOL ScanHostNameAndPort(NSString* address, NSString** host,
unsigned short* port)
{
*host = @"";
*port = 0;
if (![address length])
return NO;
NSURL* url = [NSURL URLWithString:[NSString stringWithFormat:@"rdp://%@",
address]];
if (!url || ![[url host] length])
return NO;
*host = [url host];
*port = [[url port] unsignedShortValue];
return YES;
}
#pragma mark -
#pragma mark Working with Screen Resolutions
NSString* LocalizedFitScreen()
{
return NSLocalizedString(@"Automatic",
@"Screen resolution selector: Automatic resolution (Full Screen on iPad, reasonable size on iPhone)");
}
NSString* LocalizedCustom()
{
return NSLocalizedString(@"Custom", @"Screen resolution selector: Custom");
}
BOOL ScanScreenResolution(NSString* description, int* width, int* height,
TSXScreenOptions* type)
{
*height = 0;
*width = 0;
*type = TSXScreenOptionFixed;
if ([description isEqualToString:LocalizedFitScreen()])
{
*type = TSXScreenOptionFitScreen;
return YES;
}
else if ([description isEqualToString:LocalizedCustom()])
{
*type = TSXScreenOptionCustom;
return YES;
}
NSArray* resolution_components = [description
componentsSeparatedByCharactersInSet:[NSCharacterSet
characterSetWithCharactersInString:@"x*×"]];
if ([resolution_components count] != 2)
return NO;
*width = [[resolution_components objectAtIndex:0] intValue];
*height = [[resolution_components objectAtIndex:1] intValue];
return YES;
}
NSString* ScreenResolutionDescription(TSXScreenOptions type, int width,
int height)
{
if (type == TSXScreenOptionFitScreen)
return LocalizedFitScreen();
else if (type == TSXScreenOptionCustom)
return LocalizedCustom();
return [NSString stringWithFormat:@"%dx%d", width, height];
}
NSDictionary* SelectionForColorSetting()
{
OrderedDictionary* dict = [OrderedDictionary dictionaryWithCapacity:3];
[dict setValue:[NSNumber numberWithInt:8] forKey:NSLocalizedString(
@"Palette Color (8 Bit)", @"8 bit color selection")];
[dict setValue:[NSNumber numberWithInt:15] forKey:NSLocalizedString(
@"High Color (15 Bit)", @"15 bit color selection")];
[dict setValue:[NSNumber numberWithInt:16] forKey:NSLocalizedString(
@"High Color (16 Bit)", @"16 bit color selection")];
[dict setValue:[NSNumber numberWithInt:24] forKey:NSLocalizedString(
@"True Color (24 Bit)", @"24 bit color selection")];
[dict setValue:[NSNumber numberWithInt:32] forKey:NSLocalizedString(
@"Highest Quality (32 Bit)", @"32 bit color selection")];
return dict;
}
NSArray* ResolutionModes()
{
NSArray* array = [NSArray arrayWithObjects:ScreenResolutionDescription(
TSXScreenOptionFitScreen, 0, 0),
ScreenResolutionDescription(TSXScreenOptionFixed, 640, 480),
ScreenResolutionDescription(TSXScreenOptionFixed, 800, 600),
ScreenResolutionDescription(TSXScreenOptionFixed, 1024, 768),
ScreenResolutionDescription(TSXScreenOptionFixed, 1280, 1024),
ScreenResolutionDescription(TSXScreenOptionFixed, 1440, 900),
ScreenResolutionDescription(TSXScreenOptionFixed, 1440, 1050),
ScreenResolutionDescription(TSXScreenOptionFixed, 1600, 1200),
ScreenResolutionDescription(TSXScreenOptionFixed, 1920, 1080),
ScreenResolutionDescription(TSXScreenOptionFixed, 1920, 1200),
ScreenResolutionDescription(TSXScreenOptionCustom, 0, 0), nil];
return array;
}
#pragma mark Working with Security Protocols
NSString* LocalizedAutomaticSecurity()
{
return NSLocalizedString(@"Automatic", @"Automatic protocl security selection");
}
NSString* ProtocolSecurityDescription(TSXProtocolSecurityOptions type)
{
if (type == TSXProtocolSecurityNLA)
return @"NLA";
else if (type == TSXProtocolSecurityTLS)
return @"TLS";
else if (type == TSXProtocolSecurityRDP)
return @"RDP";
return LocalizedAutomaticSecurity();
}
BOOL ScanProtocolSecurity(NSString* description,
TSXProtocolSecurityOptions* type)
{
*type = TSXProtocolSecurityRDP;
if ([description isEqualToString:@"NLA"])
{
*type = TSXProtocolSecurityNLA;
return YES;
}
else if ([description isEqualToString:@"TLS"])
{
*type = TSXProtocolSecurityTLS;
return YES;
}
else if ([description isEqualToString:@"RDP"])
{
*type = TSXProtocolSecurityRDP;
return YES;
}
else if ([description isEqualToString:LocalizedAutomaticSecurity()])
{
*type = TSXProtocolSecurityAutomatic;
return YES;
}
return NO;
}
NSDictionary* SelectionForSecuritySetting()
{
OrderedDictionary* dict = [OrderedDictionary dictionaryWithCapacity:4];
[dict setValue:[NSNumber numberWithInt:TSXProtocolSecurityAutomatic] forKey:
ProtocolSecurityDescription(TSXProtocolSecurityAutomatic)];
[dict setValue:[NSNumber numberWithInt:TSXProtocolSecurityRDP] forKey:
ProtocolSecurityDescription(TSXProtocolSecurityRDP)];
[dict setValue:[NSNumber numberWithInt:TSXProtocolSecurityTLS] forKey:
ProtocolSecurityDescription(TSXProtocolSecurityTLS)];
[dict setValue:[NSNumber numberWithInt:TSXProtocolSecurityNLA] forKey:
ProtocolSecurityDescription(TSXProtocolSecurityNLA)];
return dict;
}
#pragma mark -
#pragma mark Bookmarks
#import "Bookmark.h"
NSMutableArray* FilterBookmarks(NSArray* bookmarks, NSArray* filter_words)
{
NSMutableArray* matching_items = [NSMutableArray array];
NSArray* searched_keys = [NSArray arrayWithObjects:@"label", @"params.hostname",
@"params.username", @"params.domain", nil];
for (ComputerBookmark * cur_bookmark in bookmarks)
{
double match_score = 0.0;
for (int i = 0; i < [searched_keys count]; i++)
{
NSString* val = [cur_bookmark valueForKeyPath:[searched_keys objectAtIndex:i]];
if (![val isKindOfClass:[NSString class]] || ![val length])
continue;
for (NSString * word in filter_words)
if ([val rangeOfString:word options:(NSCaseInsensitiveSearch |
NSWidthInsensitiveSearch)].location != NSNotFound)
match_score += (1.0 / [filter_words count]) * pow(2, [searched_keys count] - i);
}
if (match_score > 0.001)
[matching_items addObject:[NSDictionary dictionaryWithObjectsAndKeys:
cur_bookmark, @"bookmark",
[NSNumber numberWithFloat:match_score], @"score",
nil]];
}
[matching_items sortUsingComparator:^NSComparisonResult(NSDictionary * obj1,
NSDictionary * obj2)
{
return [[obj2 objectForKey:@"score"] compare:[obj1 objectForKey:@"score"]];
}];
return matching_items;
}
NSMutableArray* FilterHistory(NSArray* history, NSString* filterStr)
{
NSMutableArray* result = [NSMutableArray array];
for (NSString * item in history)
{
if ([item rangeOfString:filterStr].location != NSNotFound)
[result addObject:item];
}
return result;
}
#pragma mark Version Info
NSString* TSXAppFullVersion()
{
return [NSString stringWithUTF8String:GIT_REVISION];
}
#pragma mark iPad/iPhone detection
BOOL IsPad()
{
#ifdef UI_USER_INTERFACE_IDIOM
return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad);
#else
return NO;
#endif
}
BOOL IsPhone()
{
#ifdef UI_USER_INTERFACE_IDIOM
return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone);
#else
return NO;
#endif
}
// set mouse buttons swapped flag
static BOOL g_swap_mouse_buttons = NO;
void SetSwapMouseButtonsFlag(BOOL swapped)
{
g_swap_mouse_buttons = swapped;
}
// set invert scrolling flag
static BOOL g_invert_scrolling = NO;
void SetInvertScrollingFlag(BOOL invert)
{
g_invert_scrolling = invert;
}
// return event value for left mouse button
int GetLeftMouseButtonClickEvent(BOOL down)
{
if (g_swap_mouse_buttons)
return (PTR_FLAGS_BUTTON2 | (down ? PTR_FLAGS_DOWN : 0));
else
return (PTR_FLAGS_BUTTON1 | (down ? PTR_FLAGS_DOWN : 0));
}
// return event value for right mouse button
int GetRightMouseButtonClickEvent(BOOL down)
{
if (g_swap_mouse_buttons)
return (PTR_FLAGS_BUTTON1 | (down ? PTR_FLAGS_DOWN : 0));
else
return (PTR_FLAGS_BUTTON2 | (down ? PTR_FLAGS_DOWN : 0));
}
// get mouse move event
int GetMouseMoveEvent()
{
return (PTR_FLAGS_MOVE);
}
// return mouse wheel event
int GetMouseWheelEvent(BOOL down)
{
if (g_invert_scrolling)
down = !down;
if (down)
return (PTR_FLAGS_WHEEL | PTR_FLAGS_WHEEL_NEGATIVE | (0x0088));
else
return (PTR_FLAGS_WHEEL | (0x0078));
}
// scrolling gesture detection delta
CGFloat GetScrollGestureDelta()
{
return 10.0f;
}
// this hack activates the iphone's WWAN interface in case it is offline
void WakeUpWWAN()
{
NSURL* url = [[[NSURL alloc] initWithString:
@"http://www.nonexistingdummyurl.com"] autorelease];
//NSData * data =
[NSData dataWithContentsOfURL:
url]; // we don't need data but assigning one causes a "data not used" compiler warning
}
#pragma mark System Info functions
NSString* TSXGetPrimaryMACAddress(NSString* sep)
{
NSString* macaddress = @"";
struct ifaddrs* addrs;
if (getifaddrs(&addrs) < 0)
{
NSLog(@"getPrimaryMACAddress: getifaddrs failed.");
return macaddress;
}
for (struct ifaddrs* cursor = addrs; cursor != NULL; cursor = cursor->ifa_next)
{
if (strcmp(cursor->ifa_name, "en0"))
continue;
if ((cursor->ifa_addr->sa_family == AF_LINK)
&& (((struct sockaddr_dl*) cursor->ifa_addr)->sdl_type == 0x6 /*IFT_ETHER*/))
{
struct sockaddr_dl* dlAddr = (struct sockaddr_dl*) cursor->ifa_addr;
if (dlAddr->sdl_alen != 6)
continue;
unsigned char* base = (unsigned char*) &dlAddr->sdl_data[dlAddr->sdl_nlen];
macaddress = [NSString hexStringFromData:base ofSize:6 withSeparator:sep
afterNthChar:1];
break;
}
}
freeifaddrs(addrs);
return macaddress;
}
BOOL TSXDeviceHasJailBreak()
{
if ([[NSFileManager defaultManager] fileExistsAtPath:
@"/Applications/Cydia.app/"])
return YES;
if ([[NSFileManager defaultManager] fileExistsAtPath:@"/etc/apt/"])
return YES;
return NO;
}
NSString* TSXGetPlatform()
{
size_t size;
sysctlbyname("hw.machine", NULL, &size, NULL, 0);
char* machine = malloc(size);
sysctlbyname("hw.machine", machine, &size, NULL, 0);
NSString* platform = [NSString stringWithCString:machine encoding:
NSASCIIStringEncoding];
free(machine);
return platform;
}