aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/openssl/crypto/asn1
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/openssl/crypto/asn1')
-rw-r--r--crypto/openssl/crypto/asn1/asn1_err.c4
-rw-r--r--crypto/openssl/crypto/asn1/tasn_dec.c19
-rw-r--r--crypto/openssl/crypto/asn1/tasn_enc.c16
3 files changed, 38 insertions, 1 deletions
diff --git a/crypto/openssl/crypto/asn1/asn1_err.c b/crypto/openssl/crypto/asn1/asn1_err.c
index 613f9ae71333..cc0a59ca4c8b 100644
--- a/crypto/openssl/crypto/asn1/asn1_err.c
+++ b/crypto/openssl/crypto/asn1/asn1_err.c
@@ -1,6 +1,6 @@
/*
* Generated by util/mkerr.pl DO NOT EDIT
- * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
@@ -49,6 +49,7 @@ static const ERR_STRING_DATA ASN1_str_functs[] = {
"asn1_item_embed_d2i"},
{ERR_PACK(ERR_LIB_ASN1, ASN1_F_ASN1_ITEM_EMBED_NEW, 0),
"asn1_item_embed_new"},
+ {ERR_PACK(ERR_LIB_ASN1, ASN1_F_ASN1_ITEM_EX_I2D, 0), "ASN1_item_ex_i2d"},
{ERR_PACK(ERR_LIB_ASN1, ASN1_F_ASN1_ITEM_FLAGS_I2D, 0),
"asn1_item_flags_i2d"},
{ERR_PACK(ERR_LIB_ASN1, ASN1_F_ASN1_ITEM_I2D_BIO, 0), "ASN1_item_i2d_bio"},
@@ -160,6 +161,7 @@ static const ERR_STRING_DATA ASN1_str_reasons[] = {
"asn1 sig parse error"},
{ERR_PACK(ERR_LIB_ASN1, 0, ASN1_R_AUX_ERROR), "aux error"},
{ERR_PACK(ERR_LIB_ASN1, 0, ASN1_R_BAD_OBJECT_HEADER), "bad object header"},
+ {ERR_PACK(ERR_LIB_ASN1, 0, ASN1_R_BAD_TEMPLATE), "bad template"},
{ERR_PACK(ERR_LIB_ASN1, 0, ASN1_R_BMPSTRING_IS_WRONG_LENGTH),
"bmpstring is wrong length"},
{ERR_PACK(ERR_LIB_ASN1, 0, ASN1_R_BN_LIB), "bn lib"},
diff --git a/crypto/openssl/crypto/asn1/tasn_dec.c b/crypto/openssl/crypto/asn1/tasn_dec.c
index c2a521ed5180..05a5482ccf4e 100644
--- a/crypto/openssl/crypto/asn1/tasn_dec.c
+++ b/crypto/openssl/crypto/asn1/tasn_dec.c
@@ -182,6 +182,15 @@ static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,
tag, aclass, opt, ctx);
case ASN1_ITYPE_MSTRING:
+ /*
+ * It never makes sense for multi-strings to have implicit tagging, so
+ * if tag != -1, then this looks like an error in the template.
+ */
+ if (tag != -1) {
+ ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_BAD_TEMPLATE);
+ goto err;
+ }
+
p = *in;
/* Just read in tag and class */
ret = asn1_check_tlen(NULL, &otag, &oclass, NULL, NULL,
@@ -199,6 +208,7 @@ static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,
ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_MSTRING_NOT_UNIVERSAL);
goto err;
}
+
/* Check tag matches bit map */
if (!(ASN1_tag2bit(otag) & it->utype)) {
/* If OPTIONAL, assume this is OK */
@@ -215,6 +225,15 @@ static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,
return ef->asn1_ex_d2i(pval, in, len, it, tag, aclass, opt, ctx);
case ASN1_ITYPE_CHOICE:
+ /*
+ * It never makes sense for CHOICE types to have implicit tagging, so
+ * if tag != -1, then this looks like an error in the template.
+ */
+ if (tag != -1) {
+ ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_BAD_TEMPLATE);
+ goto err;
+ }
+
if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it, NULL))
goto auxerr;
if (*pval) {
diff --git a/crypto/openssl/crypto/asn1/tasn_enc.c b/crypto/openssl/crypto/asn1/tasn_enc.c
index 30be314ff982..f8f1f898a2fc 100644
--- a/crypto/openssl/crypto/asn1/tasn_enc.c
+++ b/crypto/openssl/crypto/asn1/tasn_enc.c
@@ -103,9 +103,25 @@ int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out,
return asn1_i2d_ex_primitive(pval, out, it, tag, aclass);
case ASN1_ITYPE_MSTRING:
+ /*
+ * It never makes sense for multi-strings to have implicit tagging, so
+ * if tag != -1, then this looks like an error in the template.
+ */
+ if (tag != -1) {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_I2D, ASN1_R_BAD_TEMPLATE);
+ return -1;
+ }
return asn1_i2d_ex_primitive(pval, out, it, -1, aclass);
case ASN1_ITYPE_CHOICE:
+ /*
+ * It never makes sense for CHOICE types to have implicit tagging, so
+ * if tag != -1, then this looks like an error in the template.
+ */
+ if (tag != -1) {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_I2D, ASN1_R_BAD_TEMPLATE);
+ return -1;
+ }
if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it, NULL))
return 0;
i = asn1_get_choice_selector(pval, it);