initial import of NetBSD tree

1 files changed, 93 insertions, 0 deletions

diff --git a/distrib/pc532/floppies/inst-common/cloak.c b/distrib/pc532/floppies/inst-common/cloak.c
new file mode 100644
index 00000000000..54ccd23694c
--- /dev/null
+++ b/distrib/pc532/floppies/inst-common/cloak.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 1995 Matthias Pfaller.
+ * 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 Matthias Pfaller.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ *	$Id: cloak.c,v 1.1 1995/10/18 08:37:42 deraadt Exp $
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <a.out.h>
+#include <sys/param.h>
+
+#define SYM_DATA "_input_data"
+#define SYM_LEN "_input_len"
+void
+writex(int fd, void *buf, int cnt, char *prog)
+{
+	if (write(fd, buf, cnt) != cnt) {
+		perror(prog);
+		exit(1);
+	}
+}
+
+main(int argc, char **argv)
+{
+	int n, data_len = 0;
+	static struct exec exec;
+	static struct nlist nlist[2];
+	static char buf[10240];
+
+	if (argc != 1) {
+		fprintf(stderr, "usage: %s <file1 >file2", argv[0]);
+		exit(1);
+	}
+	writex(1, &exec, sizeof(exec), argv[0]);
+	while ((n = read(0, buf, sizeof(buf))) > 0) {
+		data_len += n;
+		writex(1, buf, n, argv[0]);
+	}
+
+	memset(buf, 0, sizeof(buf));
+	if (ALIGN(data_len) - data_len)
+		writex(1, buf, ALIGN(data_len) - data_len, argv[0]);
+	writex(1, (void *)&data_len, sizeof(data_len), argv[0]);
+
+	n = sizeof(SYM_DATA) + sizeof(SYM_LEN) + sizeof(n);
+	nlist[0].n_un.n_strx  = sizeof(n);
+	nlist[0].n_type  = N_TEXT | N_EXT;
+	nlist[0].n_value = 0;
+	nlist[1].n_un.n_strx  = nlist[0].n_un.n_strx + sizeof(SYM_DATA);
+	nlist[1].n_type  = N_TEXT | N_EXT;
+	nlist[1].n_value = ALIGN(data_len);
+	writex(1, nlist, sizeof(nlist), argv[0]);
+	writex(1, &n, sizeof(n), argv[0]);
+	writex(1, SYM_DATA, sizeof(SYM_DATA), argv[0]);
+	writex(1, SYM_LEN, sizeof(SYM_LEN), argv[0]);
+
+	N_SETMAGIC(exec, OMAGIC, MID_MACHINE, 0);
+	exec.a_text   = ALIGN(data_len) + sizeof(data_len);
+	exec.a_data   = 0;
+	exec.a_bss    = 0;
+	exec.a_syms   = sizeof(nlist);
+	exec.a_trsize = 0;
+	exec.a_drsize = 0;
+	lseek(1, (off_t)0, SEEK_SET);
+	writex(1, &exec, sizeof(exec), argv[0]);
+	exit(0);
+}