386BSD 0.0 development

Work on file usr/src/libexec/makekey/makekey.c

Co-Authored-By: Lynne Greer Jolitz <ljolitz@cardio.ucsf.edu>
Synthesized-from: 386BSD-0.0/src

diff --git a/usr/src/libexec/makekey/makekey.c b/usr/src/libexec/makekey/makekey.c
new file mode 100644 (file)
index 0000000..1a2e149
--- /dev/null
+++ b/usr/src/libexec/makekey/makekey.c
@@ -0,0 +1,85 @@
+/*-
+ * Copyright (c) 1990 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.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1990 The Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)makekey.c  5.3 (Berkeley) 2/25/91";
+#endif /* not lint */
+
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static void error(), get();
+
+main()
+{
+       int len;
+       char *r, key[9], salt[3];
+       
+       get(key, sizeof(key) - 1);
+       get(salt, sizeof(salt) - 1);
+       len = strlen(r = crypt(key, salt));
+       if (write(STDOUT_FILENO, r, len) != len)
+               error();
+       exit(0);
+}
+
+static void
+get(bp, len)
+       char *bp;
+       register int len;
+{
+       register int nr;
+
+       bp[len] = '\0';
+       if ((nr = read(STDIN_FILENO, bp, len)) == len)
+               return;
+       if (nr >= 0)
+               errno = EFTYPE;
+       error();
+}
+
+static void
+error()
+{
+       (void)fprintf(stderr, "makekey: %s\n", strerror(errno));
+       exit(1);
+}