import newlib-2000-02-17 snapshot

1 files changed, 94 insertions, 0 deletions

diff --git a/newlib/libc/unix/getpass.c b/newlib/libc/unix/getpass.c
new file mode 100644
index 000000000..ff9e7e67d
--- /dev/null
+++ b/newlib/libc/unix/getpass.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getpass.c	5.9 (Berkeley) 5/6/91";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <sys/termios.h>
+#include <sys/signal.h>
+#include <_syslist.h>
+
+char *
+getpass (prompt)
+     const char *prompt;
+{
+  struct termios term;
+  register int ch;
+  register char *p;
+  FILE *fp, *outfp;
+  long omask;
+  int echo;
+  static char buf[_PASSWORD_LEN + 1];
+
+  /*
+   * read and write to /dev/tty if possible; else read from
+   * stdin and write to stderr.
+   */
+
+  if ((outfp = fp = fopen ("/dev/tty", "w+")) == NULL)
+    {
+      outfp = stderr;
+      fp = stdin;
+    }
+  /*
+   * note - blocking signals isn't necessarily the
+   * right thing, but we leave it for now.
+   */
+  omask = sigblock (sigmask (SIGINT) | sigmask (SIGTSTP));
+  (void) tcgetattr (fileno (fp), &term);
+  if (echo = (term.c_lflag & ECHO))
+    {
+      term.c_lflag &= ~ECHO;
+      (void) tcsetattr (fileno (fp), TCSAFLUSH, &term);
+    }
+  (void) fputs (prompt, outfp);
+  rewind (outfp);		/* implied flush */
+  for (p = buf; (ch = getc (fp)) != EOF && ch != '\n';)
+    if (p < buf + _PASSWORD_LEN)
+      *p++ = ch;
+  *p = '\0';
+  (void) _write (fileno (outfp), "\n", 1);
+  if (echo)
+    {
+      term.c_lflag |= ECHO;
+      tcsetattr (fileno (fp), TCSAFLUSH, &term);
+    }
+  (void) sigsetmask (omask);
+  if (fp != stdin)
+    (void) fclose (fp);
+  return buf;
+}