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| author | Mattias Andrée <maandree@operamail.com> | 2013-11-22 10:52:55 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@operamail.com> | 2013-11-22 10:52:55 +0100 |
| commit | c0b27bf6e2350a5eb543966a81d2930275ae8b67 (patch) | |
| tree | 8c8169f7f3220173c427aabc6a69ea0de7f34428 | |
| parent | optionally do not hide the input (diff) | |
| download | libpassphrase-c0b27bf6e2350a5eb543966a81d2930275ae8b67.tar.gz libpassphrase-c0b27bf6e2350a5eb543966a81d2930275ae8b67.tar.bz2 libpassphrase-c0b27bf6e2350a5eb543966a81d2930275ae8b67.tar.xz | |
add option to print * for each char
Signed-off-by: Mattias Andrée <maandree@operamail.com>
| -rw-r--r-- | Makefile | 1 | ||||
| -rw-r--r-- | src/passphrase.c | 15 |
2 files changed, 16 insertions, 0 deletions
@@ -4,6 +4,7 @@ INCLUDE = /include OPTIONS = # PASSPHRASE_ECHO: Do not hide the passphrase +# PASSPHRASE_STAR: Use '*' for each character instead of no echo OPTIMISE = -Os CPPFLAGS = $(foreach D, $(OPTIONS), -D'$(D)=1') diff --git a/src/passphrase.c b/src/passphrase.c index 43f1431..94922e4 100644 --- a/src/passphrase.c +++ b/src/passphrase.c @@ -64,6 +64,18 @@ char* passphrase_read(void) break; if (c != 0) { +#ifdef PASSPHRASE_STAR + if ((c == 8) || (c == 127)) + { + if (len == 0) + continue; + printf("\033[D \033[D"); + fflush(stdout); + *(rc + --len) = 0; + continue; + } + putchar('*'); +#endif *(rc + len++) = c; if (len == size) if ((rc = realloc(rc, (size <<= 1L) * sizeof(char))) == NULL) @@ -92,6 +104,9 @@ void passphrase_disable_echo(void) tcgetattr(STDIN_FILENO, &stty); saved_stty = stty; stty.c_lflag &= ~ECHO; +#ifdef PASSPHRASE_STAR + stty.c_lflag &= ~ICANON; +#endif tcsetattr(STDIN_FILENO, TCSAFLUSH, &stty); #endif } |