ObjFW  Diff

#import "OFRIPEMD160Hash.h"
#import "OFSHA1Hash.h"
#import "OFSHA224Hash.h"
#import "OFSHA256Hash.h"
#import "OFSHA384Hash.h"
#import "OFSHA512Hash.h"
#import "OFStdIOStream.h"
#import "OFLocalization.h"

#import "OFOpenItemFailedException.h"
#import "OFReadFailedException.h"

@interface OFHash: OFObject
@end

OF_APPLICATION_DELEGATE(OFHash)

static void
help(void)
{
	[of_stderr writeFormat:
	    @"Usage: %@ [md5|rmd160|sha1|sha224|sha256|sha384|sha512] "
	    @"file1 [file2 ...]\n",
	    [OFApplication programName]];
	[of_stderr writeLine: OF_LOCALIZED(@"usage",
	    @"Usage: %[prog] [md5|rmd160|sha1|sha224|sha256|sha384|sha512] "
	    @"file1 [file2 ...]",
	    @"prog", [OFApplication programName])];

	[OFApplication terminateWithStatus: 1];
}

static id <OFCryptoHash>
hashForName(OFString *name)
{

- (void)applicationDidFinishLaunching
{
	OFArray OF_GENERIC(OFString*) *arguments = [OFApplication arguments];
	id <OFCryptoHash> hash;
	bool first = true;
	int exitStatus = 0;

	[OFLocalization addLanguageDirectory: @LANGUAGE_DIR];

	if ([arguments count] < 2)
		help();

	if ((hash = hashForName([arguments firstObject])) == nil)
		help();

	for (OFString *path in arguments) {

		if ([path isEqual: @"-"])
			file = of_stdin;
		else {
			@try {
				file = [OFFile fileWithPath: path
						       mode: @"rb"];
			} @catch (OFOpenItemFailedException *e) {
				OFString *error = [OFString
				    stringWithCString: strerror([e errNo])
					     encoding: [OFLocalization
							   encoding]];

				[of_stderr writeFormat:
				    @"Failed to open file %@: %s\n",
				    [e path], strerror([e errNo])];
				[of_stderr writeLine: OF_LOCALIZED(
				    @"failed_to_open_file",
				    @"Failed to open file %[file]: %[error]",
				    @"file", [e path],
				    @"error", error)];

				exitStatus = 1;
				goto outer_loop_end;
			}
		}

		[hash reset];

		while (![file isAtEndOfStream]) {
			uint8_t buffer[1024];
			size_t length;

			@try {
				length = [file readIntoBuffer: buffer
						       length: 1024];
			} @catch (OFReadFailedException *e) {
				OFString *error = [OFString
				    stringWithCString: strerror([e errNo])
					     encoding: [OFLocalization
							   encoding]];

				[of_stderr writeFormat:
				    @"Failed to read %@: %s\n",
				    path, strerror([e errNo])];
				[of_stderr writeLine: OF_LOCALIZED(
				    @"failed_to_read_file",
				    @"Failed to read %[file]: %[error]",
				    @"file", path,
				    @"error", error)];

				exitStatus = 1;
				goto outer_loop_end;
			}

			[hash updateWithBuffer: buffer
					length: length];