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/*
* Copyright (c) 2016 - 2019 Jonathan Schleifer <js@heap.zone>
* Copyright (c) 2016 - 2020 Jonathan Schleifer <js@nil.im>
*
* https://heap.zone/git/cryptopassphrase.git
* https://nil.im/git/cryptopassphrase.git
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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};
OFOptionsParser *optionsParser =
[OFOptionsParser parserWithOptions: options];
of_unichar_t option;
OFMutableData *keyFile = nil;
OFString *prompt;
const char *promptCString;
char *passphrase;
char *passphraseCString;
size_t passphraseLength;
OFSecureData *passphrase;
while ((option = [optionsParser nextOption]) != '\0') {
switch (option) {
case 'h':
showHelp(of_stdout, true);
[OFApplication terminate];
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prompt = [OFString stringWithFormat: @"Passphrase for site \"%@\": ",
generator.site];
promptCString = [prompt cStringWithEncoding: [OFLocale encoding]];
if (keyFilePath != nil)
keyFile = [OFMutableData dataWithContentsOfFile: keyFilePath];
passphrase = getpass(promptCString);
passphraseCString = getpass(promptCString);
passphraseLength = strlen(passphraseCString);
@try {
if (_repeat) {
char *passphraseCopy = of_strdup(passphrase);
if (passphraseCopy == NULL)
@throw [OFOutOfMemoryException exception];
@try {
of_string_encoding_t encoding =
if (_repeat) {
of_string_encoding_t encoding = [OFLocale encoding];
[OFLocale encoding];
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.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.mutableItems, 0,
keyFile.count);
}
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