CryptoPassphrase  Check-in [23b99782e3]

Overview
Comment:Implement repeat mode
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SHA3-256: 23b99782e3a020ba1425ae30f040943670ac56052e2c90c61d587f0b265a38bd
User & Date: js on 2016-10-08 12:24:45
Other Links: manifest | tags
Context
2016-10-09
15:53
Add initial iOS application check-in: 461f9773b4 user: js tags: trunk
2016-10-08
12:24
Implement repeat mode check-in: 23b99782e3 user: js tags: trunk
12:24
Add new generation algorithm check-in: 7691951aca user: js tags: trunk
Changes
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Modified ScryptPWGen.m from [982ba32868] to [2b9964b6fe].

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		{ 'r', @"repeat", 0, &_repeat, NULL },
		{ '\0', nil, 0, NULL, NULL }
	};
	OFOptionsParser *optionsParser =
	    [OFOptionsParser parserWithOptions: options];
	of_unichar_t option;
	char *passphrase;
	OFString *site, *prompt;
	OFString *prompt;

	while ((option = [optionsParser nextOption]) != '\0') {
		switch (option) {
		case 'h':
			showHelp(of_stdout, true);

			[OFApplication terminate];
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	if ([[optionsParser remainingArguments] count] != 1) {
		showHelp(of_stderr, false);

		[OFApplication terminateWithStatus: 1];
	}

	site = [[optionsParser remainingArguments] firstObject];
	prompt = [OFString stringWithFormat: @"Passphrase for site \"%@\": ",
					     site];

	id <PasswordGenerator> generator = (_legacy
	    ? [LegacyPasswordGenerator generator]
	    : [NewPasswordGenerator generator]);
	generator.site = [[optionsParser remainingArguments] firstObject];

	if (lengthStr != nil) {
		bool invalid = false;
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			    @"%@: Invalid length: %@\n",
			    [OFApplication programName], lengthStr];

			[OFApplication terminateWithStatus: 1];
		}
	}


	prompt = [OFString stringWithFormat: @"Passphrase for site \"%@\": ",
					     generator.site];
	passphrase = getpass(
	    [prompt cStringWithEncoding: [OFSystemInfo native8BitEncoding]]);
	@try {
		if (_repeat) {
			char *passphraseCopy = of_strdup(passphrase);

			if (passphraseCopy == NULL)
				@throw [OFOutOfMemoryException exception];

			@try {
				of_string_encoding_t encoding =
				    [OFSystemInfo native8BitEncoding];

				prompt = [OFString stringWithFormat:
				    @"Repeat passphrase for site \"%@\": ",
				    generator.site];
				passphrase = getpass(
				    [prompt cStringWithEncoding: encoding]);

				if (strcmp(passphrase, passphraseCopy) != 0) {
					[of_stderr writeString:
					    @"Passphrases do not match!\n"];
					[OFApplication terminateWithStatus: 1];
				}
			} @finally {
				of_explicit_memset(passphraseCopy, 0,
				    strlen(passphraseCopy));
				free(passphraseCopy);
			}
		}

		generator.passphrase = passphrase;

		[generator derivePassword];
		@try {
			[of_stdout writeBuffer: generator.output
					length: generator.length];
			[of_stdout writeBuffer: "\n"
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