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

   1 #import <Foundation/Foundation.h>
   2 #import <SystemConfiguration/SCDynamicStoreCopySpecific.h>
   3
   4 // Begin the nasty hack so that I can easily print out NSStrings to stdout
   5 void fNSPrint(NSString * outputFilename, NSString * str)
   6 {
   7         NSString * output = [NSString stringWithFormat:@"%@\n", str];
   8         [output writeToFile:outputFilename atomically:NO
   9                                 encoding:NSUTF8StringEncoding error:nil];
  10 }
  11
  12 void NSPrint(NSString *str)
  13 {
  14         fNSPrint(@"/dev/stdout", str);
  15 }
  16
  17 bool printSystemConfiguration(bool quiet, NSString * keyName, NSDictionary * proxies)
  18 {
  19         id value = [proxies objectForKey:keyName];
  20         if (nil != value) {
  21                 NSArray * itemsArray;
  22                 if ([value isKindOfClass:[NSArray class]]) {
  23                         itemsArray = value;
  24                 } else {
  25                         itemsArray = [NSArray arrayWithObjects:value, nil];
  26                 }
  27
  28                 NSEnumerator * enumerator = [itemsArray objectEnumerator];
  29                 id item;
  30                 while ((item = [enumerator nextObject]))
  31                         NSPrint([NSString stringWithFormat:@"%@", item]);
  32
  33         } else {
  34                 if (!quiet)
  35                         fNSPrint(@"/dev/stderr", @"Value does not exist");
  36                 return FALSE; // Signal a fail condition
  37         }
  38         return TRUE;
  39 }
  40
  41 void printUsage(void)
  42 {
  43         fNSPrint(@"/dev/stderr", @"proxyconf [-q] SystemConfigurationKeyName");
  44 }
  45
  46 int resolveSystemConfiguration(int argc, const char * argv[])
  47 {
  48         NSDictionary * proxies = (NSDictionary *)SCDynamicStoreCopyProxies(nil);
  49
  50         bool quiet = FALSE;
  51         NSString * keyName;
  52
  53         if (2 == argc) {
  54                 keyName = [NSString stringWithCString:argv[1]];
  55         } else if (3 == argc) {
  56                 if (! [[NSString stringWithCString:argv[1]] isEqualTo:@"-q"]) {
  57                         printUsage();
  58                         return 1;
  59                 } else {
  60                         quiet = TRUE;
  61                 }
  62
  63                 keyName = [NSString stringWithCString:argv[2]];
  64         } else {
  65                 printUsage();
  66                 return 1;
  67         }
  68
  69         if (! printSystemConfiguration(quiet, keyName, proxies))
  70                 return 2;
  71
  72         return 0;
  73 }
  74
  75 int main (int argc, const char * argv[])
  76 {
  77         NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
  78
  79         int ret = resolveSystemConfiguration(argc, argv);
  80
  81     [pool drain];
  82     return ret;
  83 }