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Diffstat (limited to 'crypto/openssh/readpass.c')
-rw-r--r--crypto/openssh/readpass.c82
1 files changed, 9 insertions, 73 deletions
diff --git a/crypto/openssh/readpass.c b/crypto/openssh/readpass.c
index c38292f15716..f3a7dcbed274 100644
--- a/crypto/openssh/readpass.c
+++ b/crypto/openssh/readpass.c
@@ -32,88 +32,24 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: readpass.c,v 1.11 2000/06/20 01:39:44 markus Exp $");
+RCSID("$OpenBSD: readpass.c,v 1.12 2000/10/11 20:14:39 markus Exp $");
#include "xmalloc.h"
#include "ssh.h"
-
-volatile int intr;
-
-void
-intcatch()
-{
- intr = 1;
-}
+#include "cli.h"
/*
* Reads a passphrase from /dev/tty with echo turned off. Returns the
* passphrase (allocated with xmalloc), being very careful to ensure that
* no other userland buffer is storing the password.
*/
+/*
+ * Note: the funcationallity of this routing has been moved to
+ * cli_read_passphrase(). This routing remains to maintain
+ * compatibility with existing code.
+ */
char *
-read_passphrase(const char *prompt, int from_stdin)
+read_passphrase(char *prompt, int from_stdin)
{
- char buf[1024], *p, ch;
- struct termios tio, saved_tio;
- sigset_t oset, nset;
- struct sigaction sa, osa;
- int input, output, echo = 0;
-
- if (from_stdin) {
- input = STDIN_FILENO;
- output = STDERR_FILENO;
- } else
- input = output = open("/dev/tty", O_RDWR);
-
- if (input == -1)
- fatal("You have no controlling tty. Cannot read passphrase.\n");
-
- /* block signals, get terminal modes and turn off echo */
- sigemptyset(&nset);
- sigaddset(&nset, SIGTSTP);
- (void) sigprocmask(SIG_BLOCK, &nset, &oset);
- memset(&sa, 0, sizeof(sa));
- sa.sa_handler = intcatch;
- (void) sigaction(SIGINT, &sa, &osa);
-
- intr = 0;
-
- if (tcgetattr(input, &saved_tio) == 0 && (saved_tio.c_lflag & ECHO)) {
- echo = 1;
- tio = saved_tio;
- tio.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
- (void) tcsetattr(input, TCSANOW, &tio);
- }
-
- fflush(stdout);
-
- (void)write(output, prompt, strlen(prompt));
- for (p = buf; read(input, &ch, 1) == 1 && ch != '\n';) {
- if (intr)
- break;
- if (p < buf + sizeof(buf) - 1)
- *p++ = ch;
- }
- *p = '\0';
- if (!intr)
- (void)write(output, "\n", 1);
-
- /* restore terminal modes and allow signals */
- if (echo)
- tcsetattr(input, TCSANOW, &saved_tio);
- (void) sigprocmask(SIG_SETMASK, &oset, NULL);
- (void) sigaction(SIGINT, &osa, NULL);
-
- if (intr) {
- kill(getpid(), SIGINT);
- sigemptyset(&nset);
- /* XXX tty has not neccessarily drained by now? */
- sigsuspend(&nset);
- }
-
- if (!from_stdin)
- (void)close(input);
- p = xstrdup(buf);
- memset(buf, 0, sizeof(buf));
- return (p);
+ return cli_read_passphrase(prompt, from_stdin, 0);
}