diff options
| -rw-r--r-- | include/linux/asn1_ber_bytecode.h | 17 | ||||
| -rw-r--r-- | lib/asn1_decoder.c | 8 | ||||
| -rw-r--r-- | scripts/asn1_compiler.c | 3 |
3 files changed, 21 insertions, 7 deletions
diff --git a/include/linux/asn1_ber_bytecode.h b/include/linux/asn1_ber_bytecode.h index 27f35780aecf..ab3a6c002f7b 100644 --- a/include/linux/asn1_ber_bytecode.h +++ b/include/linux/asn1_ber_bytecode.h @@ -45,24 +45,27 @@ enum asn1_opcode { ASN1_OP_MATCH_JUMP = 0x04, ASN1_OP_MATCH_JUMP_OR_SKIP = 0x05, ASN1_OP_MATCH_ANY = 0x08, + ASN1_OP_MATCH_ANY_OR_SKIP = 0x09, ASN1_OP_MATCH_ANY_ACT = 0x0a, + ASN1_OP_MATCH_ANY_ACT_OR_SKIP = 0x0b, /* 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_OR_SKIP = 0x19, ASN1_OP_COND_MATCH_ANY_ACT = 0x1a, + ASN1_OP_COND_MATCH_ANY_ACT_OR_SKIP = 0x1b, /* Everything before here will want a tag from the data */ -#define ASN1_OP__MATCHES_TAG ASN1_OP_COND_MATCH_ANY_ACT +#define ASN1_OP__MATCHES_TAG ASN1_OP_COND_MATCH_ANY_ACT_OR_SKIP /* These are here to help fill up space */ - ASN1_OP_COND_FAIL = 0x1b, - ASN1_OP_COMPLETE = 0x1c, - ASN1_OP_ACT = 0x1d, - ASN1_OP_MAYBE_ACT = 0x1e, - ASN1_OP_RETURN = 0x1f, + ASN1_OP_COND_FAIL = 0x1c, + ASN1_OP_COMPLETE = 0x1d, + ASN1_OP_ACT = 0x1e, + ASN1_OP_MAYBE_ACT = 0x1f, /* The following eight have bit 0 -> SET, 1 -> OF, 2 -> ACT */ ASN1_OP_END_SEQ = 0x20, @@ -77,6 +80,8 @@ enum asn1_opcode { #define ASN1_OP_END__OF 0x02 #define ASN1_OP_END__ACT 0x04 + ASN1_OP_RETURN = 0x28, + ASN1_OP__NR }; diff --git a/lib/asn1_decoder.c b/lib/asn1_decoder.c index 3f74dd3e2910..2b3f46c049d4 100644 --- a/lib/asn1_decoder.c +++ b/lib/asn1_decoder.c @@ -24,12 +24,16 @@ static const unsigned char asn1_op_lengths[ASN1_OP__NR] = { [ASN1_OP_MATCH_JUMP] = 1 + 1 + 1, [ASN1_OP_MATCH_JUMP_OR_SKIP] = 1 + 1 + 1, [ASN1_OP_MATCH_ANY] = 1, + [ASN1_OP_MATCH_ANY_OR_SKIP] = 1, [ASN1_OP_MATCH_ANY_ACT] = 1 + 1, + [ASN1_OP_MATCH_ANY_ACT_OR_SKIP] = 1 + 1, [ASN1_OP_COND_MATCH_OR_SKIP] = 1 + 1, [ASN1_OP_COND_MATCH_ACT_OR_SKIP] = 1 + 1 + 1, [ASN1_OP_COND_MATCH_JUMP_OR_SKIP] = 1 + 1 + 1, [ASN1_OP_COND_MATCH_ANY] = 1, + [ASN1_OP_COND_MATCH_ANY_OR_SKIP] = 1, [ASN1_OP_COND_MATCH_ANY_ACT] = 1 + 1, + [ASN1_OP_COND_MATCH_ANY_ACT_OR_SKIP] = 1 + 1, [ASN1_OP_COND_FAIL] = 1, [ASN1_OP_COMPLETE] = 1, [ASN1_OP_ACT] = 1 + 1, @@ -304,7 +308,9 @@ next_op: /* Decide how to handle the operation */ switch (op) { case ASN1_OP_MATCH_ANY_ACT: + case ASN1_OP_MATCH_ANY_ACT_OR_SKIP: case ASN1_OP_COND_MATCH_ANY_ACT: + case ASN1_OP_COND_MATCH_ANY_ACT_OR_SKIP: ret = actions[machine[pc + 1]](context, hdr, tag, data + dp, len); if (ret < 0) return ret; @@ -321,8 +327,10 @@ next_op: case ASN1_OP_MATCH: case ASN1_OP_MATCH_OR_SKIP: case ASN1_OP_MATCH_ANY: + case ASN1_OP_MATCH_ANY_OR_SKIP: case ASN1_OP_COND_MATCH_OR_SKIP: case ASN1_OP_COND_MATCH_ANY: + case ASN1_OP_COND_MATCH_ANY_OR_SKIP: skip_data: if (!(flags & FLAG_CONS)) { if (flags & FLAG_INDEFINITE_LENGTH) { diff --git a/scripts/asn1_compiler.c b/scripts/asn1_compiler.c index 0515bced929a..1c75e22b6385 100644 --- a/scripts/asn1_compiler.c +++ b/scripts/asn1_compiler.c @@ -1401,7 +1401,8 @@ static void render_element(FILE *out, struct element *e, struct element *tag) act = e->action ? "_ACT" : ""; switch (e->compound) { case ANY: - render_opcode(out, "ASN1_OP_%sMATCH_ANY%s,", cond, act); + render_opcode(out, "ASN1_OP_%sMATCH_ANY%s%s,", + cond, act, skippable ? "_OR_SKIP" : ""); if (e->name) render_more(out, "\t\t// %*.*s", (int)e->name->size, (int)e->name->size, |