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Diffstat (limited to 'i/pc104/initrd/conf/busybox/libbb/bb_askpass.c')
-rw-r--r--i/pc104/initrd/conf/busybox/libbb/bb_askpass.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/libbb/bb_askpass.c b/i/pc104/initrd/conf/busybox/libbb/bb_askpass.c
new file mode 100644
index 0000000..097a0a2
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/libbb/bb_askpass.c
@@ -0,0 +1,75 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Ask for a password
+ * I use a static buffer in this function. Plan accordingly.
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+
+#include "libbb.h"
+
+/* do nothing signal handler */
+static void askpass_timeout(int ATTRIBUTE_UNUSED ignore)
+{
+}
+
+char *bb_askpass(int timeout, const char * prompt)
+{
+ static char passwd[64];
+
+ char *ret;
+ int i;
+ struct sigaction sa;
+ struct termios old, new;
+
+ tcgetattr(STDIN_FILENO, &old);
+ tcflush(STDIN_FILENO, TCIFLUSH);
+
+ memset(passwd, 0, sizeof(passwd));
+
+ fputs(prompt, stdout);
+ fflush(stdout);
+
+ tcgetattr(STDIN_FILENO, &new);
+ new.c_iflag &= ~(IUCLC|IXON|IXOFF|IXANY);
+ new.c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|TOSTOP);
+ tcsetattr(STDIN_FILENO, TCSANOW, &new);
+
+ if (timeout) {
+ sa.sa_flags = 0;
+ sa.sa_handler = askpass_timeout;
+ sigaction(SIGALRM, &sa, NULL);
+ alarm(timeout);
+ }
+
+ ret = NULL;
+ if (read(STDIN_FILENO, passwd, sizeof(passwd)-1) > 0) {
+ ret = passwd;
+ i = 0;
+ /* Last byte is guaranteed to be 0
+ (read did not overwrite it) */
+ do {
+ if (passwd[i] == '\r' || passwd[i] == '\n')
+ passwd[i] = '\0';
+ } while (passwd[i++]);
+ }
+
+ if (timeout) {
+ alarm(0);
+ }
+
+ tcsetattr(STDIN_FILENO, TCSANOW, &old);
+ puts("");
+ fflush(stdout);
+ return ret;
+}