diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/unistd.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h index fb1a1c8..c45e425 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -1112,6 +1112,47 @@ int daemonise(const char*, int) #endif +/** + * Get password input from the terminal. + * + * The exact behaviour of this function depends on the implementations. + * However you can assume that, the controlling terminal (/dev/tty) is + * opened and used for input and output, and that echoing is disabled. + * You cannot assume that arbitrary lengths are supported. However, in + * this implementation, line editing is enabled and arbitrary lengths + * are supported. If the length of the input (excluding termination) is + * less than 8192 a statically allocated string is returned, otherwise + * a dynamically allocated string is returned. + * + * @etymology (Get) (pass)word from terminal! + * + * @param prompt Text to print at the beginning of the line. + * Used to tell the user what is expected of her. + * Must not be `NULL`. + * @return The entered line. You should override it with zeroes as + * soon as possible to avoid leaving cleartest passphrases + * visible in memory, or potentially stored to unencrypted + * swap. The returned string is statically allocated, do + * not deallocate it, unless you know that you are using + * slibc and the length of the string is at least 8192. + * `NULL` on error. If a statically allocated string is + * returned, it will be overwritten at the next call. + * + * @throws Any error specified for open(3). + * @throws Any error specified for malloc(3). + * @throws Any error specified for read(3). + * @throws Any error specified for tcgetattr(3). + * @throws Any error specified for tcsetattr(3). + * @throws Any error specified for tcdrain(3). + * + * @since Always. + */ +char* getpass(const char*) + __GCC_ONLY(__attribute__((__nonnull__, __warn_unused_result__))) + __deprecated("'getpass' has been deprecated without any " + "replacement. You could use libpassphrase instead. :)"); + + #endif |