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[OFApplication programName]];
if (verbose)
[output writeString:
@"\n"
@"Options:\n"
@" -h --help Show this help\n"
@" -k --keyfile Use the specified key file\n"
@" -l --length Length for the derived password\n"
@" -L --legacy Use the legacy algorithm "
@"(compatible with scrypt-genpass)\n"
@" -r --repeat Repeat input\n"];
}
@implementation ScryptPWGen
- (void)applicationDidFinishLaunching
{
OFString *lengthStr;
OFString *keyfilePath, *lengthString;
const of_options_parser_option_t options[] = {
{ 'h', @"help", 0, NULL, NULL },
{ 'k', @"keyfile", 1, NULL, &keyfilePath },
{ 'l', @"length", 1, NULL, &lengthStr },
{ 'l', @"length", 1, NULL, &lengthString },
{ 'L', @"legacy", 0, &_legacy, NULL },
{ 'r', @"repeat", 0, &_repeat, NULL },
{ '\0', nil, 0, NULL, NULL }
};
OFOptionsParser *optionsParser =
[OFOptionsParser parserWithOptions: options];
of_unichar_t option;
char *passphrase;
OFMutableData *keyfile = nil;
OFString *prompt;
const char *promptCString;
char *passphrase;
while ((option = [optionsParser nextOption]) != '\0') {
switch (option) {
case 'h':
showHelp(of_stdout, true);
[OFApplication terminate];
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}
id <PasswordGenerator> generator = (_legacy
? [LegacyPasswordGenerator generator]
: [NewPasswordGenerator generator]);
generator.site = [[optionsParser remainingArguments] firstObject];
if (lengthStr != nil) {
if (lengthString != nil) {
bool invalid = false;
@try {
generator.length = (size_t)[lengthStr decimalValue];
generator.length = (size_t)[lengthString decimalValue];
} @catch (OFInvalidFormatException *e) {
invalid = true;
} @catch (OFOutOfRangeException *e) {
invalid = true;
}
if (invalid) {
[of_stderr writeFormat:
@"%@: Invalid length: %@\n",
[OFApplication programName], lengthStr];
[OFApplication programName], lengthString];
[OFApplication terminateWithStatus: 1];
}
}
passphrase = getpass(
passphrase = getpass(promptCString);
[prompt cStringWithEncoding: [OFLocalization encoding]]);
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} @finally {
of_explicit_memset(passphraseCopy, 0,
strlen(passphraseCopy));
free(passphraseCopy);
}
}
generator.keyfile = keyfile;
generator.passphrase = passphrase;
[generator derivePassword];
@try {
[of_stdout writeBuffer: generator.output
length: generator.length];
[of_stdout writeBuffer: "\n"
length: 1];
} @finally {
of_explicit_memset(generator.output, 0,
generator.length);
}
} @finally {
of_explicit_memset(passphrase, 0, strlen(passphrase));
if (keyfile != nil)
of_explicit_memset([keyfile items], 0, [keyfile count]);
}
[OFApplication terminate];
}
@end
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