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Diffstat (limited to 'lib/util/readpass.h')
| -rw-r--r-- | lib/util/readpass.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/util/readpass.h b/lib/util/readpass.h new file mode 100644 index 0000000..da57278 --- /dev/null +++ b/lib/util/readpass.h @@ -0,0 +1,45 @@ +/*- + * Copyright 2009 Colin Percival + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * This file was originally written by Colin Percival as part of the Tarsnap + * online backup system. + */ +#ifndef _READPASS_H_ +#define _READPASS_H_ + +/** + * tarsnap_getpass(passwd, prompt, confirmprompt, devtty) + * If ${devtty} is non-zero, read a password from /dev/tty if possible; if + * not, read from stdin. If reading from a tty (either /dev/tty or stdin), + * disable echo and prompt the user by printing ${prompt} to stderr. If + * ${confirmprompt} is non-NULL, read a second password (prompting if a + * terminal is being used) and repeat until the user enters the same password + * twice. Return the password as a malloced NUL-terminated string via + * ${passwd}. The obscure name is to avoid namespace collisions due to the + * getpass / readpass / readpassphrase / etc. functions in various libraries. + */ +int tarsnap_readpass(char **, const char *, const char *, int); + +#endif /* !_READPASS_H_ */ |