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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 23:38:45 +00:00
parent ffa8e7b74c
commit d06db8ad9e
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. * 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 * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
@ -98,7 +98,8 @@ STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
ASN1_TYPE *cap; ASN1_TYPE *cap;
unsigned char *p; unsigned char *p;
cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities); 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; p = cap->value.sequence->data;
return d2i_ASN1_SET_OF_X509_ALGOR(NULL, &p, return d2i_ASN1_SET_OF_X509_ALGOR(NULL, &p,
cap->value.sequence->length, cap->value.sequence->length,