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-rw-r--r--include/linux/asn1.h67
-rw-r--r--include/linux/asn1_ber_bytecode.h87
2 files changed, 154 insertions, 0 deletions
diff --git a/include/linux/asn1.h b/include/linux/asn1.h
new file mode 100644
index 000000000000..5c3f4e4b9a23
--- /dev/null
+++ b/include/linux/asn1.h
@@ -0,0 +1,67 @@
+/* ASN.1 BER/DER/CER encoding definitions
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _LINUX_ASN1_H
+#define _LINUX_ASN1_H
+
+/* Class */
+enum asn1_class {
+ ASN1_UNIV = 0, /* Universal */
+ ASN1_APPL = 1, /* Application */
+ ASN1_CONT = 2, /* Context */
+ ASN1_PRIV = 3 /* Private */
+};
+#define ASN1_CLASS_BITS 0xc0
+
+
+enum asn1_method {
+ ASN1_PRIM = 0, /* Primitive */
+ ASN1_CONS = 1 /* Constructed */
+};
+#define ASN1_CONS_BIT 0x20
+
+/* Tag */
+enum asn1_tag {
+ ASN1_EOC = 0, /* End Of Contents or N/A */
+ ASN1_BOOL = 1, /* Boolean */
+ ASN1_INT = 2, /* Integer */
+ ASN1_BTS = 3, /* Bit String */
+ ASN1_OTS = 4, /* Octet String */
+ ASN1_NULL = 5, /* Null */
+ ASN1_OID = 6, /* Object Identifier */
+ ASN1_ODE = 7, /* Object Description */
+ ASN1_EXT = 8, /* External */
+ ASN1_REAL = 9, /* Real float */
+ ASN1_ENUM = 10, /* Enumerated */
+ ASN1_EPDV = 11, /* Embedded PDV */
+ ASN1_UTF8STR = 12, /* UTF8 String */
+ ASN1_RELOID = 13, /* Relative OID */
+ /* 14 - Reserved */
+ /* 15 - Reserved */
+ ASN1_SEQ = 16, /* Sequence and Sequence of */
+ ASN1_SET = 17, /* Set and Set of */
+ ASN1_NUMSTR = 18, /* Numerical String */
+ ASN1_PRNSTR = 19, /* Printable String */
+ ASN1_TEXSTR = 20, /* T61 String / Teletext String */
+ ASN1_VIDSTR = 21, /* Videotex String */
+ ASN1_IA5STR = 22, /* IA5 String */
+ ASN1_UNITIM = 23, /* Universal Time */
+ ASN1_GENTIM = 24, /* General Time */
+ ASN1_GRASTR = 25, /* Graphic String */
+ ASN1_VISSTR = 26, /* Visible String */
+ ASN1_GENSTR = 27, /* General String */
+ ASN1_UNISTR = 28, /* Universal String */
+ ASN1_CHRSTR = 29, /* Character String */
+ ASN1_BMPSTR = 30, /* BMP String */
+ ASN1_LONG_TAG = 31 /* Long form tag */
+};
+
+#endif /* _LINUX_ASN1_H */
diff --git a/include/linux/asn1_ber_bytecode.h b/include/linux/asn1_ber_bytecode.h
new file mode 100644
index 000000000000..945d44ae529c
--- /dev/null
+++ b/include/linux/asn1_ber_bytecode.h
@@ -0,0 +1,87 @@
+/* ASN.1 BER/DER/CER parsing state machine internal definitions
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _LINUX_ASN1_BER_BYTECODE_H
+#define _LINUX_ASN1_BER_BYTECODE_H
+
+#ifdef __KERNEL__
+#include <linux/types.h>
+#endif
+#include <linux/asn1.h>
+
+typedef int (*asn1_action_t)(void *context,
+ size_t hdrlen, /* In case of ANY type */
+ unsigned char tag, /* In case of ANY type */
+ const void *value, size_t vlen);
+
+struct asn1_decoder {
+ const unsigned char *machine;
+ size_t machlen;
+ const asn1_action_t *actions;
+};
+
+enum asn1_opcode {
+ /* The tag-matching ops come first and the odd-numbered slots
+ * are for OR_SKIP ops.
+ */
+#define ASN1_OP_MATCH__SKIP 0x01
+#define ASN1_OP_MATCH__ACT 0x02
+#define ASN1_OP_MATCH__JUMP 0x04
+#define ASN1_OP_MATCH__ANY 0x08
+#define ASN1_OP_MATCH__COND 0x10
+
+ ASN1_OP_MATCH = 0x00,
+ ASN1_OP_MATCH_OR_SKIP = 0x01,
+ ASN1_OP_MATCH_ACT = 0x02,
+ ASN1_OP_MATCH_ACT_OR_SKIP = 0x03,
+ ASN1_OP_MATCH_JUMP = 0x04,
+ ASN1_OP_MATCH_JUMP_OR_SKIP = 0x05,
+ ASN1_OP_MATCH_ANY = 0x08,
+ ASN1_OP_MATCH_ANY_ACT = 0x0a,
+ /* Everything before here matches unconditionally */
+
+ ASN1_OP_COND_MATCH_OR_SKIP = 0x11,
+ ASN1_OP_COND_MATCH_ACT_OR_SKIP = 0x13,
+ ASN1_OP_COND_MATCH_JUMP_OR_SKIP = 0x15,
+ ASN1_OP_COND_MATCH_ANY = 0x18,
+ ASN1_OP_COND_MATCH_ANY_ACT = 0x1a,
+
+ /* Everything before here will want a tag from the data */
+#define ASN1_OP__MATCHES_TAG ASN1_OP_COND_MATCH_ANY_ACT
+
+ /* These are here to help fill up space */
+ ASN1_OP_COND_FAIL = 0x1b,
+ ASN1_OP_COMPLETE = 0x1c,
+ ASN1_OP_ACT = 0x1d,
+ ASN1_OP_RETURN = 0x1e,
+
+ /* The following eight have bit 0 -> SET, 1 -> OF, 2 -> ACT */
+ ASN1_OP_END_SEQ = 0x20,
+ ASN1_OP_END_SET = 0x21,
+ ASN1_OP_END_SEQ_OF = 0x22,
+ ASN1_OP_END_SET_OF = 0x23,
+ ASN1_OP_END_SEQ_ACT = 0x24,
+ ASN1_OP_END_SET_ACT = 0x25,
+ ASN1_OP_END_SEQ_OF_ACT = 0x26,
+ ASN1_OP_END_SET_OF_ACT = 0x27,
+#define ASN1_OP_END__SET 0x01
+#define ASN1_OP_END__OF 0x02
+#define ASN1_OP_END__ACT 0x04
+
+ ASN1_OP__NR
+};
+
+#define _tag(CLASS, CP, TAG) ((ASN1_##CLASS << 6) | (ASN1_##CP << 5) | ASN1_##TAG)
+#define _tagn(CLASS, CP, TAG) ((ASN1_##CLASS << 6) | (ASN1_##CP << 5) | TAG)
+#define _jump_target(N) (N)
+#define _action(N) (N)
+
+#endif /* _LINUX_ASN1_BER_BYTECODE_H */