Mercurial > dovecot > core-2.2
changeset 3890:6658a000051d HEAD
Forgot to add in last commit
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Sun, 15 Jan 2006 15:20:57 +0200 |
| parents | c7462001227b |
| children | 2d0859490a2f |
| files | src/master/askpass.c src/master/askpass.h |
| diffstat | 2 files changed, 60 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/master/askpass.c Sun Jan 15 15:20:57 2006 +0200 @@ -0,0 +1,54 @@ +/* Copyright (C) 2006 Timo Sirainen */ + +#include "lib.h" +#include "askpass.h" + +#include <stdio.h> +#include <termios.h> +#include <fcntl.h> +#include <unistd.h> + +void askpass(const char *prompt, char *buf, size_t buf_size) +{ + struct termios old_tio, tio; + bool restore_tio = FALSE; + ssize_t ret; + size_t pos; + char ch; + int fd; + + if (!isatty(STDIN_FILENO)) + i_fatal("stdin isn't a TTY"); + + fputs(prompt, stderr); + fflush(stderr); + + fd = open("/dev/tty", O_RDONLY); + if (fd < 0) + i_fatal("open(/dev/tty) failed: %m"); + + /* turn off echo */ + if (tcgetattr(fd, &old_tio) == 0) { + restore_tio = TRUE; + tio = old_tio; + tio.c_lflag &= ~(ECHO | ECHONL); + (void)tcsetattr(fd, TCSAFLUSH, &tio); + } + + /* read the password */ + pos = 0; + while ((ret = read(fd, &ch, 1)) > 0) { + if (pos >= buf_size-1) + break; + if (ch == '\n' || ch == '\r') + break; + buf[pos++] = ch; + } + buf[pos] = '\0'; + + if (restore_tio) + (void)tcsetattr(fd, TCSAFLUSH, &old_tio); + + fputs("\n", stderr); fflush(stderr); + (void)close(fd); +}