diff options
Diffstat (limited to 'src/linux/getpass.c')
-rw-r--r-- | src/linux/getpass.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/linux/getpass.c b/src/linux/getpass.c new file mode 100644 index 0000000..d439a2a --- /dev/null +++ b/src/linux/getpass.c @@ -0,0 +1,39 @@ +#include <stdio.h> +#include <string.h> +#include <termios.h> +#include <unistd.h> +#include <fcntl.h> + +char *getpass(const char *prompt) +{ + int fd; + struct termios s, t; + ssize_t l; + static char password[128]; + + if ((fd = open("/dev/tty", O_RDONLY|O_NOCTTY)) < 0) fd = 0; + + tcgetattr(fd, &t); + s = t; + t.c_lflag &= ~(ECHO|ISIG); + t.c_lflag |= ICANON; + t.c_iflag &= ~(INLCR|IGNCR); + t.c_iflag |= ICRNL; + tcsetattr(fd, TCSAFLUSH, &t); + tcdrain(fd); + + fputs(prompt, stderr); + fflush(stderr); + + l = read(fd, password, sizeof password); + if (l >= 0) { + if (l > 0 && password[l-1] == '\n') l--; + password[l] = 0; + } + + tcsetattr(fd, TCSAFLUSH, &s); + + if (fd > 2) close(fd); + + return password; +} |