From c9cbeced5b3f2bdd7407e29c0811e65954132540 Mon Sep 17 00:00:00 2001
From: Root THC
Date: Tue, 24 Feb 2026 12:42:47 +0000
Subject: initial

---
 other/shellkit/sparc.c | 140 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 other/shellkit/sparc.c

(limited to 'other/shellkit/sparc.c')

diff --git a/other/shellkit/sparc.c b/other/shellkit/sparc.c
new file mode 100644
index 0000000..45fe647
--- /dev/null
+++ b/other/shellkit/sparc.c
@@ -0,0 +1,140 @@
+/* sparc.c - generic sparc functions
+ *
+ * by team teso
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "shellcode.h"
+#include "sparc.h"
+
+
+static int sparc_torf (void);
+static unsigned long int sparc_getinstr (unsigned char *pat,
+	unsigned char *bad, int bad_len);
+
+
+static int
+sparc_torf (void)
+{
+	return (random_get (0, 1));
+}
+
+
+static unsigned long int
+sparc_getinstr (unsigned char *pat, unsigned char *bad, int bad_len)
+{
+	int			x;	/* bitfield walker */
+	unsigned char		bc = 0;
+	unsigned long int	i = 0;	/* generated instruction */
+
+
+	for (x = 31 ; x > 0 ; --x) {
+
+		switch (pat[x]) {
+		case '.':
+			if (badstr (&bc, 1, bad, bad_len)) {
+				/*x -= 8;*/
+				printf ("redo byte! #muh\n");
+			}
+			bc = 0;
+			break;
+
+		case '0':
+			break;
+
+		case '1':
+			i |= (1 << x);
+			bc |= (1 << (x % 8));
+			break;
+
+		case 'v':
+			if (badstr (&bc, 1, bad, bad_len)) {
+				i |= (1 << x);
+				bc |= (1 << (x % 8));
+			} else if (sparc_torf ()) {
+				i |= (1 << x);
+				bc |= (1 << (x % 8));
+			}
+			break;
+
+		case 'r':
+		case 'f':
+		case 's':
+			if (badstr (&bc, 1, bad, bad_len)) {
+				i |= (1 << x);
+				bc |= (1 << (x % 8));
+			} else if (sparc_torf ()) {
+				i |= (1 << x);
+				bc |= (1 << (x % 8));
+			}
+			break;
+		default:
+			fprintf (stderr, "sorry, can not generate nop's for "
+				"trinary sparcs ...\n");
+
+			exit (EXIT_FAILURE);
+			break;
+		}
+	}
+
+	return (i);
+}
+
+
+/* XXX: DO NOT USE UNTESTED! */
+unsigned int
+sparc_nop (unsigned char *dest, unsigned int dest_len,
+	unsigned char *bad, int bad_len)
+{
+	unsigned long int *	dest_p = NULL;
+	unsigned int		count = 0;
+
+	/* abstract representation of a sparc instruction.
+	 * '1', '0': real bits of the instruction
+	 * 'r', 'f', 's': destination, first and second source register
+	 * 'v': either a 1 or 0 bit (any value)
+	 *
+	 * for details see "The SPARC Architecture Manual", chapter 5
+	 * ("Instructions") and appendix F + B.
+	 */
+	unsigned char *	pat = NULL;
+	unsigned char *	instr_format[] = {
+		"10rrrrr0.00011fff.ff000000.000sssss",
+		"10rrrrr0.00011fff.ff1vvvvv.vvvvvvvv",	/* xor */
+
+		"10rrrrr0.00111fff.ff000000.000sssss",
+		"10rrrrr0.00111fff.ff1vvvvv.vvvvvvvv",	/* xnor */
+
+		"10rrrrr0.00100fff.ff000000.000sssss",
+		"10rrrrr0.00100fff.ff1vvvvv.vvvvvvvv",	/* sub */
+
+		"10rrrrr0.00010fff.ff000000.000sssss",
+		"10rrrrr0.00010fff.ff1vvvvv.vvvvvvvv",	/* or */
+
+		"10rrrrr0.00000fff.ff000000.000sssss",
+		"10rrrrr0.00000fff.ff1vvvvv.vvvvvvvv",	/* add */
+
+		"10rrrrr0.00001fff.ff000000.000sssss",
+		"10rrrrr0.00001fff.ff1vvvvv.vvvvvvvv",	/* and */
+
+		/* XXX/TODO: add more codes */
+
+		NULL,
+	};
+
+
+	/* take care of instruction size
+	 */
+	dest_len = dest_len - (dest_len % 4);
+	dest_p = (unsigned long int *) dest;
+
+	for ( ; count < dest_len ; count += 4) {
+		pat = instr_format[rand () % 12];
+		*dest_p++ = sparc_getinstr (pat, bad, bad_len);
+	}
+
+	return (count);
+}
+
+
-- 
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