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-rw-r--r--lib/asn1_decoder.c47
1 files changed, 26 insertions, 21 deletions
diff --git a/lib/asn1_decoder.c b/lib/asn1_decoder.c
index 1ef0cec38d78..d77cdfc4b554 100644
--- a/lib/asn1_decoder.c
+++ b/lib/asn1_decoder.c
@@ -313,42 +313,47 @@ 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;
- goto skip_data;
-
- case ASN1_OP_MATCH_ACT:
- case ASN1_OP_MATCH_ACT_OR_SKIP:
- case ASN1_OP_COND_MATCH_ACT_OR_SKIP:
- ret = actions[machine[pc + 2]](context, hdr, tag, data + dp, len);
- if (ret < 0)
- return ret;
- goto skip_data;
-
case ASN1_OP_MATCH:
case ASN1_OP_MATCH_OR_SKIP:
+ case ASN1_OP_MATCH_ACT:
+ case ASN1_OP_MATCH_ACT_OR_SKIP:
case ASN1_OP_MATCH_ANY:
case ASN1_OP_MATCH_ANY_OR_SKIP:
+ case ASN1_OP_MATCH_ANY_ACT:
+ case ASN1_OP_MATCH_ANY_ACT_OR_SKIP:
case ASN1_OP_COND_MATCH_OR_SKIP:
+ case ASN1_OP_COND_MATCH_ACT_OR_SKIP:
case ASN1_OP_COND_MATCH_ANY:
case ASN1_OP_COND_MATCH_ANY_OR_SKIP:
- skip_data:
+ case ASN1_OP_COND_MATCH_ANY_ACT:
+ case ASN1_OP_COND_MATCH_ANY_ACT_OR_SKIP:
+
if (!(flags & FLAG_CONS)) {
if (flags & FLAG_INDEFINITE_LENGTH) {
+ size_t tmp = dp;
+
ret = asn1_find_indefinite_length(
- data, datalen, &dp, &len, &errmsg);
+ data, datalen, &tmp, &len, &errmsg);
if (ret < 0)
goto error;
- } else {
- dp += len;
}
pr_debug("- LEAF: %zu\n", len);
}
+
+ if (op & ASN1_OP_MATCH__ACT) {
+ unsigned char act;
+
+ if (op & ASN1_OP_MATCH__ANY)
+ act = machine[pc + 1];
+ else
+ act = machine[pc + 2];
+ ret = actions[act](context, hdr, tag, data + dp, len);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (!(flags & FLAG_CONS))
+ dp += len;
pc += asn1_op_lengths[op];
goto next_op;