block: rip out all traces of password prompting

Now that qcow & qcow2 are wired up to get encryption keys
via the QCryptoSecret object, nothing is relying on the
interactive prompting for passwords. All the code related
to password prompting can thus be ripped out.

Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170623162419.26068-17-berrange@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>

1 files changed, 0 insertions, 66 deletions

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 5e8b4b39ed..b2dea48f40 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -414,72 +414,6 @@ void os_mem_prealloc(int fd, char *area, size_t memory, int smp_cpus,
 }
 
 
-static struct termios oldtty;
-
-static void term_exit(void)
-{
-    tcsetattr(0, TCSANOW, &oldtty);
-}
-
-static void term_init(void)
-{
-    struct termios tty;
-
-    tcgetattr(0, &tty);
-    oldtty = tty;
-
-    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
-                          |INLCR|IGNCR|ICRNL|IXON);
-    tty.c_oflag |= OPOST;
-    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
-    tty.c_cflag &= ~(CSIZE|PARENB);
-    tty.c_cflag |= CS8;
-    tty.c_cc[VMIN] = 1;
-    tty.c_cc[VTIME] = 0;
-
-    tcsetattr(0, TCSANOW, &tty);
-
-    atexit(term_exit);
-}
-
-int qemu_read_password(char *buf, int buf_size)
-{
-    uint8_t ch;
-    int i, ret;
-
-    printf("password: ");
-    fflush(stdout);
-    term_init();
-    i = 0;
-    for (;;) {
-        ret = read(0, &ch, 1);
-        if (ret == -1) {
-            if (errno == EAGAIN || errno == EINTR) {
-                continue;
-            } else {
-                break;
-            }
-        } else if (ret == 0) {
-            ret = -1;
-            break;
-        } else {
-            if (ch == '\r' ||
-                ch == '\n') {
-                ret = 0;
-                break;
-            }
-            if (i < (buf_size - 1)) {
-                buf[i++] = ch;
-            }
-        }
-    }
-    term_exit();
-    buf[i] = '\0';
-    printf("\n");
-    return ret;
-}
-
-
 char *qemu_get_pid_name(pid_t pid)
 {
     char *name = NULL;