code.delx.au - osx-proxyconf/blob - sysconfig.m

   1 #import <Foundation/Foundation.h>
   2 #import <SystemConfiguration/SCDynamicStoreCopySpecific.h>
   3
   4 void
   5 NSPrintF(NSString* file, NSString* format, ...)
   6 {
   7         va_list args;
   8         va_start(args, format);
   9         NSString* string = [[NSString alloc] initWithFormat:format arguments:args];
  10         va_end(args);
  11         [string writeToFile:file atomically:NO encoding:NSUTF8StringEncoding error:nil];
  12         [string release];
  13 }
  14
  15 void
  16 NSPrint(NSString* format, ...)
  17 {
  18         va_list args;
  19         va_start(args, format);
  20         NSString* string = [[NSString alloc] initWithFormat:format arguments:args];
  21         va_end(args);
  22         [string writeToFile:@"/dev/stdout" atomically:NO encoding:NSUTF8StringEncoding error:nil];
  23         [string release];
  24 }
  25
  26
  27 bool
  28 printSystemConfiguration(bool quiet, NSString* keyName, NSDictionary* proxies)
  29 {
  30         id value = [proxies objectForKey:keyName];
  31         if(nil != value) {
  32                 NSArray* items;
  33                 if([value isKindOfClass:[NSArray class]]) {
  34                         items = value;
  35                 } else {
  36                         items = [NSArray arrayWithObjects:value, nil];
  37                 }
  38
  39                 NSPrint([items componentsJoinedByString:@","]);
  40                 NSPrint(@"\n");
  41
  42         } else {
  43                 if(!quiet) {
  44                         NSPrintF(@"/dev/stderr", @"Value does not exist\n");
  45                 }
  46                 return FALSE; // Signal a fail condition
  47         }
  48         return TRUE;
  49 }
  50
  51 void
  52 printUsage(void)
  53 {
  54         NSPrintF(@"/dev/stderr", @"sysconfig [-q] SystemConfigurationKeyName\n");
  55         exit(1);
  56 }
  57
  58 int
  59 main(int argc, const char* argv[])
  60 {
  61         NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
  62         NSDictionary* proxies = (NSDictionary*)SCDynamicStoreCopyProxies(nil);
  63         bool quiet = FALSE;
  64         NSString* keyName;
  65
  66         if(2 == argc) {
  67                 keyName = [NSString stringWithCString:argv[1]];
  68         } else if(3 == argc) {
  69                 if(![[NSString stringWithCString:argv[1]] isEqualTo:@"-q"]) {
  70                         printUsage();
  71                 } else {
  72                         quiet = TRUE;
  73                 }
  74
  75                 keyName = [NSString stringWithCString:argv[2]];
  76         } else {
  77                 printUsage();
  78         }
  79
  80         if(!printSystemConfiguration(quiet, keyName, proxies)) {
  81                 return 2;
  82         }
  83
  84         [pool release];
  85         return 0;
  86 }
  87