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-rw-r--r--lib/libcrypto/asn1/asn1.h3
-rw-r--r--lib/libcrypto/asn1/asn1_err.c3
-rw-r--r--lib/libcrypto/asn1/asn1_lib.c4
-rw-r--r--lib/libcrypto/asn1/tasn_dec.c22
-rw-r--r--lib/libcrypto/asn1/tasn_enc.c21
-rw-r--r--lib/libcrypto/x509/x509_genn.c52
6 files changed, 94 insertions, 11 deletions
diff --git a/lib/libcrypto/asn1/asn1.h b/lib/libcrypto/asn1/asn1.h
index 0a8da415fb4..76c294ada8c 100644
--- a/lib/libcrypto/asn1/asn1.h
+++ b/lib/libcrypto/asn1/asn1.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: asn1.h,v 1.53 2018/11/30 04:51:19 jeremy Exp $ */
+/* $OpenBSD: asn1.h,v 1.54 2020/12/08 15:06:42 tb Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -1137,6 +1137,7 @@ void ERR_load_ASN1_strings(void);
#define ASN1_R_BAD_OBJECT_HEADER 102
#define ASN1_R_BAD_PASSWORD_READ 103
#define ASN1_R_BAD_TAG 104
+#define ASN1_R_BAD_TEMPLATE 230
#define ASN1_R_BMPSTRING_IS_WRONG_LENGTH 214
#define ASN1_R_BN_LIB 105
#define ASN1_R_BOOLEAN_IS_WRONG_LENGTH 106
diff --git a/lib/libcrypto/asn1/asn1_err.c b/lib/libcrypto/asn1/asn1_err.c
index 5cc355084f0..e2c56deb5ba 100644
--- a/lib/libcrypto/asn1/asn1_err.c
+++ b/lib/libcrypto/asn1/asn1_err.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: asn1_err.c,v 1.21 2018/03/29 02:29:24 inoguchi Exp $ */
+/* $OpenBSD: asn1_err.c,v 1.22 2020/12/08 15:06:42 tb Exp $ */
/* ====================================================================
* Copyright (c) 1999-2011 The OpenSSL Project. All rights reserved.
*
@@ -85,6 +85,7 @@ static ERR_STRING_DATA ASN1_str_reasons[] = {
{ERR_REASON(ASN1_R_BAD_OBJECT_HEADER) , "bad object header"},
{ERR_REASON(ASN1_R_BAD_PASSWORD_READ) , "bad password read"},
{ERR_REASON(ASN1_R_BAD_TAG) , "bad tag"},
+ {ERR_REASON(ASN1_R_BAD_TEMPLATE) , "bad template"},
{ERR_REASON(ASN1_R_BMPSTRING_IS_WRONG_LENGTH), "bmpstring is wrong length"},
{ERR_REASON(ASN1_R_BN_LIB) , "bn lib"},
{ERR_REASON(ASN1_R_BOOLEAN_IS_WRONG_LENGTH), "boolean is wrong length"},
diff --git a/lib/libcrypto/asn1/asn1_lib.c b/lib/libcrypto/asn1/asn1_lib.c
index 5dc520c428e..d760cccd4d9 100644
--- a/lib/libcrypto/asn1/asn1_lib.c
+++ b/lib/libcrypto/asn1/asn1_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: asn1_lib.c,v 1.44 2018/11/17 09:34:11 tb Exp $ */
+/* $OpenBSD: asn1_lib.c,v 1.45 2020/12/08 15:06:42 tb Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -388,6 +388,8 @@ ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b)
{
int i;
+ if (a == NULL || b == NULL)
+ return -1;
i = (a->length - b->length);
if (i == 0) {
i = memcmp(a->data, b->data, a->length);
diff --git a/lib/libcrypto/asn1/tasn_dec.c b/lib/libcrypto/asn1/tasn_dec.c
index 70dc355ca1f..4b08e90404a 100644
--- a/lib/libcrypto/asn1/tasn_dec.c
+++ b/lib/libcrypto/asn1/tasn_dec.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tasn_dec.c,v 1.37 2019/04/01 15:48:04 jsing Exp $ */
+/* $OpenBSD: tasn_dec.c,v 1.38 2020/12/08 15:06:42 tb Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2000.
*/
@@ -210,6 +210,16 @@ asn1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
break;
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) {
+ ASN1error(ASN1_R_BAD_TEMPLATE);
+ goto err;
+ }
+
p = *in;
/* Just read in tag and class */
ret = asn1_check_tlen(NULL, &otag, &oclass, NULL, NULL,
@@ -245,6 +255,16 @@ asn1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long 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) {
+ ASN1error(ASN1_R_BAD_TEMPLATE);
+ goto err;
+ }
+
if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it, NULL))
goto auxerr;
diff --git a/lib/libcrypto/asn1/tasn_enc.c b/lib/libcrypto/asn1/tasn_enc.c
index d103c4d096a..5d95f035ef2 100644
--- a/lib/libcrypto/asn1/tasn_enc.c
+++ b/lib/libcrypto/asn1/tasn_enc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tasn_enc.c,v 1.22 2019/04/01 15:48:04 jsing Exp $ */
+/* $OpenBSD: tasn_enc.c,v 1.23 2020/12/08 15:06:42 tb Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2000.
*/
@@ -61,6 +61,7 @@
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
+#include <openssl/err.h>
#include <openssl/objects.h>
static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out,
@@ -152,9 +153,27 @@ ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it,
break;
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) {
+ ASN1error(ASN1_R_BAD_TEMPLATE);
+ return 0;
+ }
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) {
+ ASN1error(ASN1_R_BAD_TEMPLATE);
+ return 0;
+ }
if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it, NULL))
return 0;
i = asn1_get_choice_selector(pval, it);
diff --git a/lib/libcrypto/x509/x509_genn.c b/lib/libcrypto/x509/x509_genn.c
index 848006acf40..dadf6f1e403 100644
--- a/lib/libcrypto/x509/x509_genn.c
+++ b/lib/libcrypto/x509/x509_genn.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: x509_genn.c,v 1.1 2020/06/04 15:19:31 jsing Exp $ */
+/* $OpenBSD: x509_genn.c,v 1.2 2020/12/08 15:06:42 tb Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 1999.
*/
@@ -117,16 +117,17 @@ OTHERNAME_free(OTHERNAME *a)
ASN1_item_free((ASN1_VALUE *)a, &OTHERNAME_it);
}
+/* Uses explicit tagging since DIRECTORYSTRING is a CHOICE type */
static const ASN1_TEMPLATE EDIPARTYNAME_seq_tt[] = {
{
- .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
+ .flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 0,
.offset = offsetof(EDIPARTYNAME, nameAssigner),
.field_name = "nameAssigner",
.item = &DIRECTORYSTRING_it,
},
{
- .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
+ .flags = ASN1_TFLG_EXPLICIT,
.tag = 1,
.offset = offsetof(EDIPARTYNAME, partyName),
.field_name = "partyName",
@@ -324,6 +325,37 @@ GENERAL_NAME_dup(GENERAL_NAME *a)
return ASN1_item_dup(&GENERAL_NAME_it, a);
}
+static int
+EDIPARTYNAME_cmp(const EDIPARTYNAME *a, const EDIPARTYNAME *b)
+{
+ int res;
+
+ /*
+ * Shouldn't be possible in a valid GENERAL_NAME, but we handle it
+ * anyway. OTHERNAME_cmp treats NULL != NULL, so we do the same here.
+ */
+ if (a == NULL || b == NULL)
+ return -1;
+ if (a->nameAssigner == NULL && b->nameAssigner != NULL)
+ return -1;
+ if (a->nameAssigner != NULL && b->nameAssigner == NULL)
+ return 1;
+ /* If we get here, both have nameAssigner set or both unset. */
+ if (a->nameAssigner != NULL) {
+ res = ASN1_STRING_cmp(a->nameAssigner, b->nameAssigner);
+ if (res != 0)
+ return res;
+ }
+ /*
+ * partyName is required, so these should never be NULL. We treat it in
+ * the same way as the a == NULL || b == NULL case above.
+ */
+ if (a->partyName == NULL || b->partyName == NULL)
+ return -1;
+
+ return ASN1_STRING_cmp(a->partyName, b->partyName);
+}
+
/* Returns 0 if they are equal, != 0 otherwise. */
int
GENERAL_NAME_cmp(GENERAL_NAME *a, GENERAL_NAME *b)
@@ -334,8 +366,11 @@ GENERAL_NAME_cmp(GENERAL_NAME *a, GENERAL_NAME *b)
return -1;
switch (a->type) {
case GEN_X400:
+ result = ASN1_TYPE_cmp(a->d.x400Address, b->d.x400Address);
+ break;
+
case GEN_EDIPARTY:
- result = ASN1_TYPE_cmp(a->d.other, b->d.other);
+ result = EDIPARTYNAME_cmp(a->d.ediPartyName, b->d.ediPartyName);
break;
case GEN_OTHERNAME:
@@ -384,8 +419,11 @@ GENERAL_NAME_set0_value(GENERAL_NAME *a, int type, void *value)
{
switch (type) {
case GEN_X400:
+ a->d.x400Address = value;
+ break;
+
case GEN_EDIPARTY:
- a->d.other = value;
+ a->d.ediPartyName = value;
break;
case GEN_OTHERNAME:
@@ -420,8 +458,10 @@ GENERAL_NAME_get0_value(GENERAL_NAME *a, int *ptype)
*ptype = a->type;
switch (a->type) {
case GEN_X400:
+ return a->d.x400Address;
+
case GEN_EDIPARTY:
- return a->d.other;
+ return a->d.ediPartyName;
case GEN_OTHERNAME:
return a->d.otherName;