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#ifndef PASSPHRASE_ENTRY_H_
#define PASSPHRASE_ENTRY_H_
/* How should we get the passphrase? */
enum passphrase_entry {
PASSPHRASE_UNSET,
PASSPHRASE_TTY_STDIN,
PASSPHRASE_STDIN_ONCE,
PASSPHRASE_TTY_ONCE,
PASSPHRASE_ENV,
PASSPHRASE_FILE,
};
/**
* passphrase_entry_parse(arg, entry_method_p, entry_arg_p):
* Parse "METHOD:ARG" from ${arg} into an ${*entry_method_p}:${*entry_arg_p}.
*/
int passphrase_entry_parse(const char *, enum passphrase_entry *,
const char **);
/**
* passphrase_entry_readpass(passwd, entry_method, entry_arg, prompt,
* confirmprompt, once):
* Use ${entry_method} to read a passphrase and return it as a malloced
* NUL-terminated string via ${passwd}. If ${entry_method} is
* PASSPHRASE_TTY_STDIN and ${once} is zero, ask for the passphrase twice;
* otherwise ask for it once. If reading from a terminal, use ${prompt} for
* the first prompt, and ${confirmprompt} for the second prompt (if
* applicable); otherwise do not print any prompts.
*/
int passphrase_entry_readpass(char **, enum passphrase_entry, const char *,
const char *, const char *, int);
#endif /* !PASSPHRASE_ENTRY_H_ */
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