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Check ASN1_TYPE structure type is a SEQUENCE in PKCS7_get_smimecap().

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This commit is contained in:
Dr. Stephen Henson 2004-09-15 23:47:25 +00:00
parent bd9327baa9
commit 980aea7860
1 changed files with 5 additions and 4 deletions
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5
crypto/pkcs7/pk7_attr.c
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@ -3,7 +3,7 @@
* project 2001.
*/
/* ====================================================================
* Copyright (c) 2001 The OpenSSL Project. All rights reserved.
* Copyright (c) 2001-2004 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -99,7 +99,8 @@ STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
const unsigned char *p;
cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
if (!cap) return NULL;
if (!cap || (cap->type != V_ASN1_SEQUENCE))
return NULL;
p = cap->value.sequence->data;
return d2i_ASN1_SET_OF_X509_ALGOR(NULL, &p,
cap->value.sequence->length,