*/
#include "includes.h"
-RCSID("$OpenBSD: readpass.c,v 1.30 2004/06/17 15:10:14 djm Exp $");
+RCSID("$OpenBSD: readpass.c,v 1.33 2005/05/02 21:13:22 markus Exp $");
#include "xmalloc.h"
#include "misc.h"
if (flags & RP_USE_ASKPASS)
use_askpass = 1;
else if (flags & RP_ALLOW_STDIN) {
- if (!isatty(STDIN_FILENO))
+ if (!isatty(STDIN_FILENO)) {
+ debug("read_passphrase: stdin is not a tty");
use_askpass = 1;
+ }
} else {
rppflags |= RPP_REQUIRE_TTY;
ttyfd = open(_PATH_TTY, O_RDWR);
if (ttyfd >= 0)
close(ttyfd);
- else
+ else {
+ debug("read_passphrase: can't open %s: %s", _PATH_TTY,
+ strerror(errno));
use_askpass = 1;
+ }
}
if ((flags & RP_USE_ASKPASS) && getenv("DISPLAY") == NULL)
memset(buf, 'x', sizeof buf);
return ret;
}
+
+int
+ask_permission(const char *fmt, ...)
+{
+ va_list args;
+ char *p, prompt[1024];
+ int allowed = 0;
+
+ va_start(args, fmt);
+ vsnprintf(prompt, sizeof(prompt), fmt, args);
+ va_end(args);
+
+ p = read_passphrase(prompt, RP_USE_ASKPASS|RP_ALLOW_EOF);
+ if (p != NULL) {
+ /*
+ * Accept empty responses and responses consisting
+ * of the word "yes" as affirmative.
+ */
+ if (*p == '\0' || *p == '\n' ||
+ strcasecmp(p, "yes") == 0)
+ allowed = 1;
+ xfree(p);
+ }
+
+ return (allowed);
+}