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-rw-r--r--usr.bin/sudo/tgetpass.c63
1 files changed, 38 insertions, 25 deletions
diff --git a/usr.bin/sudo/tgetpass.c b/usr.bin/sudo/tgetpass.c
index 6e356cd6d7a..c008c156cdd 100644
--- a/usr.bin/sudo/tgetpass.c
+++ b/usr.bin/sudo/tgetpass.c
@@ -70,7 +70,7 @@
#include "sudo.h"
#ifndef lint
-__unused static const char rcsid[] = "$Sudo: tgetpass.c,v 1.111.2.4 2007/10/08 16:01:10 millert Exp $";
+__unused static const char rcsid[] = "$Sudo: tgetpass.c,v 1.111.2.5 2007/10/17 15:39:43 millert Exp $";
#endif /* lint */
#ifndef TCSASOFT
@@ -89,26 +89,36 @@ __unused static const char rcsid[] = "$Sudo: tgetpass.c,v 1.111.2.4 2007/10/08 1
#endif
/*
- * Abstract method of getting at the term flags.
+ * QNX 6 (at least) has issues with TCSAFLUSH.
*/
-#undef TERM
-#undef tflags
-#ifdef HAVE_TERMIOS_H
-# define TERM termios
-# define tflags c_lflag
-# define term_getattr(f, t) tcgetattr(f, t)
-# define term_setattr(f, t) tcsetattr(f, TCSADRAIN|TCSASOFT, t)
-#else
+#ifdef __QNX__
+#undef TCSAFLUSH
+#define TCSAFLUSH TCSADRAIN
+#endif
+
+/*
+ * Compat macros for non-termios systems.
+ */
+#ifndef HAVE_TERMIOS_H
# ifdef HAVE_TERMIO_H
-# define TERM termio
-# define tflags c_lflag
-# define term_getattr(f, t) ioctl(f, TCGETA, t)
-# define term_setattr(f, t) ioctl(f, TCSETAF, t)
+# undef termios
+# define termios termio
+# define tcgetattr(f, t) ioctl(f, TCGETA, t)
+# define tcsetattr(f, a, t) ioctl(f, a, t)
+# undef TCSAFLUSH
+# define TCSAFLUSH TCSETAF
+# undef TCSANOW
+# define TCSANOW TCSETA
# else
-# define TERM sgttyb
-# define tflags sg_flags
-# define term_getattr(f, t) ioctl(f, TIOCGETP, t)
-# define term_setattr(f, t) ioctl(f, TIOCSETP, t)
+# undef termios
+# define termios sgttyb
+# define c_lflag sg_flags
+# define tcgetattr(f, t) ioctl(f, TIOCGETP, t)
+# define tcsetattr(f, a, t) ioctl(f, a, t)
+# undef TCSAFLUSH
+# define TCSAFLUSH TIOCSETP
+# undef TCSANOW
+# define TCSANOW TIOCSETN
# endif /* HAVE_TERMIO_H */
#endif /* HAVE_TERMIOS_H */
@@ -128,7 +138,7 @@ tgetpass(prompt, timeout, flags)
{
sigaction_t sa, savealrm, saveint, savehup, savequit, saveterm;
sigaction_t savetstp, savettin, savettou;
- struct TERM term, oterm;
+ struct termios term, oterm;
char *pass;
static char buf[SUDO_PASS_MAX + 1];
int input, output, save_errno;
@@ -162,14 +172,14 @@ restart:
(void) sigaction(SIGTTOU, &sa, &savettou);
/* Turn echo off/on as specified by flags. */
- if (term_getattr(input, &oterm) == 0) {
+ if (tcgetattr(input, &oterm) == 0) {
(void) memcpy(&term, &oterm, sizeof(term));
if (!ISSET(flags, TGP_ECHO))
- CLR(term.tflags, (ECHO | ECHONL));
+ CLR(term.c_lflag, ECHO|ECHONL);
#ifdef VSTATUS
term.c_cc[VSTATUS] = _POSIX_VDISABLE;
#endif
- (void) term_setattr(input, &term);
+ (void) tcsetattr(input, TCSAFLUSH|TCSASOFT, &term);
} else {
memset(&term, 0, sizeof(term));
memset(&oterm, 0, sizeof(oterm));
@@ -186,13 +196,16 @@ restart:
alarm(0);
save_errno = errno;
- if (!ISSET(term.tflags, ECHO))
+ if (!ISSET(term.c_lflag, ECHO))
(void) write(output, "\n", 1);
}
/* Restore old tty settings and signals. */
- if (memcmp(&term, &oterm, sizeof(term)) != 0)
- (void) term_setattr(input, &oterm);
+ if (memcmp(&term, &oterm, sizeof(term)) != 0) {
+ while (tcsetattr(input, TCSANOW|TCSASOFT, &oterm) == -1 &&
+ errno == EINTR)
+ continue;
+ }
(void) sigaction(SIGALRM, &savealrm, NULL);
(void) sigaction(SIGINT, &saveint, NULL);
(void) sigaction(SIGHUP, &savehup, NULL);