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More stack.

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This commit is contained in:
Ben Laurie 1999-05-31 11:57:32 +00:00
parent 02ee237fdf
commit b6436ff2c2
3 changed files with 66 additions and 50 deletions
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26
crypto/asn1/p7_signi.c
View File

@ -68,20 +68,24 @@ int i2d_PKCS7_SIGNER_INFO(PKCS7_SIGNER_INFO *a, unsigned char **pp)
M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
M_ASN1_I2D_len(a->issuer_and_serial,i2d_PKCS7_ISSUER_AND_SERIAL);
M_ASN1_I2D_len(a->digest_alg,i2d_X509_ALGOR);
M_ASN1_I2D_len_IMP_SET_opt(a->auth_attr,i2d_X509_ATTRIBUTE,0);
M_ASN1_I2D_len_IMP_SET_opt_type(X509_ATTRIBUTE,a->auth_attr,
i2d_X509_ATTRIBUTE,0);
M_ASN1_I2D_len(a->digest_enc_alg,i2d_X509_ALGOR);
M_ASN1_I2D_len(a->enc_digest,i2d_ASN1_OCTET_STRING);
M_ASN1_I2D_len_IMP_SET_opt(a->unauth_attr,i2d_X509_ATTRIBUTE,1);
M_ASN1_I2D_len_IMP_SET_opt_type(X509_ATTRIBUTE,a->unauth_attr,
i2d_X509_ATTRIBUTE,1);
M_ASN1_I2D_seq_total();
M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
M_ASN1_I2D_put(a->issuer_and_serial,i2d_PKCS7_ISSUER_AND_SERIAL);
M_ASN1_I2D_put(a->digest_alg,i2d_X509_ALGOR);
M_ASN1_I2D_put_IMP_SET_opt(a->auth_attr,i2d_X509_ATTRIBUTE,0);
M_ASN1_I2D_put_IMP_SET_opt_type(X509_ATTRIBUTE,a->auth_attr,
i2d_X509_ATTRIBUTE,0);
M_ASN1_I2D_put(a->digest_enc_alg,i2d_X509_ALGOR);
M_ASN1_I2D_put(a->enc_digest,i2d_ASN1_OCTET_STRING);
M_ASN1_I2D_put_IMP_SET_opt(a->unauth_attr,i2d_X509_ATTRIBUTE,1);
M_ASN1_I2D_put_IMP_SET_opt_type(X509_ATTRIBUTE,a->unauth_attr,
i2d_X509_ATTRIBUTE,1);
M_ASN1_I2D_finish();
}
@ -96,12 +100,14 @@ PKCS7_SIGNER_INFO *d2i_PKCS7_SIGNER_INFO(PKCS7_SIGNER_INFO **a,
M_ASN1_D2I_get(ret->version,d2i_ASN1_INTEGER);
M_ASN1_D2I_get(ret->issuer_and_serial,d2i_PKCS7_ISSUER_AND_SERIAL);
M_ASN1_D2I_get(ret->digest_alg,d2i_X509_ALGOR);
M_ASN1_D2I_get_IMP_set_opt(ret->auth_attr,d2i_X509_ATTRIBUTE,
X509_ATTRIBUTE_free,0);
M_ASN1_D2I_get_IMP_set_opt_type(X509_ATTRIBUTE,ret->auth_attr,
d2i_X509_ATTRIBUTE,X509_ATTRIBUTE_free,
0);
M_ASN1_D2I_get(ret->digest_enc_alg,d2i_X509_ALGOR);
M_ASN1_D2I_get(ret->enc_digest,d2i_ASN1_OCTET_STRING);
M_ASN1_D2I_get_IMP_set_opt(ret->unauth_attr,d2i_X509_ATTRIBUTE,
X509_ATTRIBUTE_free,1);
M_ASN1_D2I_get_IMP_set_opt_type(X509_ATTRIBUTE,ret->unauth_attr,
d2i_X509_ATTRIBUTE,
X509_ATTRIBUTE_free,1);
M_ASN1_D2I_Finish(a,PKCS7_SIGNER_INFO_free,
ASN1_F_D2I_PKCS7_SIGNER_INFO);
@ -131,10 +137,10 @@ void PKCS7_SIGNER_INFO_free(PKCS7_SIGNER_INFO *a)
ASN1_INTEGER_free(a->version);
PKCS7_ISSUER_AND_SERIAL_free(a->issuer_and_serial);
X509_ALGOR_free(a->digest_alg);
sk_pop_free(a->auth_attr,X509_ATTRIBUTE_free);
sk_X509_ATTRIBUTE_pop_free(a->auth_attr,X509_ATTRIBUTE_free);
X509_ALGOR_free(a->digest_enc_alg);
ASN1_OCTET_STRING_free(a->enc_digest);
sk_pop_free(a->unauth_attr,X509_ATTRIBUTE_free);
sk_X509_ATTRIBUTE_pop_free(a->unauth_attr,X509_ATTRIBUTE_free);
if (a->pkey != NULL)
EVP_PKEY_free(a->pkey);
Free((char *)a);

79
crypto/pkcs7/pk7_doit.c
View File

@ -62,8 +62,9 @@
#include <openssl/objects.h>
#include <openssl/x509.h>
static int add_attribute(STACK **sk, int nid, int atrtype, void *value);
static ASN1_TYPE *get_attribute(STACK *sk, int nid);
static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
void *value);
static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid);
BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
{
@ -462,7 +463,8 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
BUF_MEM *buf=NULL;
PKCS7_SIGNER_INFO *si;
EVP_MD_CTX *mdc,ctx_tmp;
STACK *sk,*si_sk=NULL;
STACK_OF(X509_ATTRIBUTE) *sk;
STACK *si_sk=NULL;
unsigned char *p,*pp=NULL;
int x;
ASN1_OCTET_STRING *os=NULL;
@ -543,7 +545,7 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
/* If there are attributes, we add the digest
* attribute and only sign the attributes */
if ((sk != NULL) && (sk_num(sk) != 0))
if ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0))
{
unsigned char md_data[EVP_MAX_MD_SIZE];
unsigned int md_len;
@ -568,12 +570,14 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
/* Now sign the mess */
EVP_SignInit(&ctx_tmp,md_tmp);
x=i2d_ASN1_SET(sk,NULL,i2d_X509_ATTRIBUTE,
V_ASN1_SET,V_ASN1_UNIVERSAL, IS_SET);
x=i2d_ASN1_SET_OF_X509_ATTRIBUTE(sk,NULL,
i2d_X509_ATTRIBUTE,
V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
pp=(unsigned char *)Malloc(x);
p=pp;
i2d_ASN1_SET(sk,&p,i2d_X509_ATTRIBUTE,
V_ASN1_SET,V_ASN1_UNIVERSAL, IS_SET);
i2d_ASN1_SET_OF_X509_ATTRIBUTE(sk,&p,
i2d_X509_ATTRIBUTE,
V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
EVP_SignUpdate(&ctx_tmp,pp,x);
Free(pp);
pp=NULL;
@ -628,7 +632,7 @@ int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx, BIO *bio,
PKCS7_ISSUER_AND_SERIAL *ias;
int ret=0,i;
int md_type;
STACK *sk;
STACK_OF(X509_ATTRIBUTE) *sk;
STACK_OF(X509) *cert;
BIO *btmp;
X509 *x509;
@ -697,7 +701,7 @@ int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx, BIO *bio,
memcpy(&mdc_tmp,mdc,sizeof(mdc_tmp));
sk=si->auth_attr;
if ((sk != NULL) && (sk_num(sk) != 0))
if ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0))
{
unsigned char md_dat[EVP_MAX_MD_SIZE];
unsigned int md_len;
@ -731,11 +735,11 @@ for (ii=0; ii<md_len; ii++) printf("%02X",md_dat[ii]); printf(" calc\n");
* shouldn't reorder them or this will break the signature.
* This is done by using the IS_SEQUENCE flag.
*/
i=i2d_ASN1_SET(sk,NULL,i2d_X509_ATTRIBUTE,
i=i2d_ASN1_SET_OF_X509_ATTRIBUTE(sk,NULL,i2d_X509_ATTRIBUTE,
V_ASN1_SET,V_ASN1_UNIVERSAL, IS_SEQUENCE);
pp=(unsigned char *)Malloc(i);
pp=Malloc(i);
p=pp;
i2d_ASN1_SET(sk,&p,i2d_X509_ATTRIBUTE,
i2d_ASN1_SET_OF_X509_ATTRIBUTE(sk,&p,i2d_X509_ATTRIBUTE,
V_ASN1_SET,V_ASN1_UNIVERSAL, IS_SEQUENCE);
EVP_VerifyUpdate(&mdc_tmp,pp,i);
@ -785,7 +789,7 @@ ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid)
return(get_attribute(si->unauth_attr,nid));
}
static ASN1_TYPE *get_attribute(STACK *sk, int nid)
static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid)
{
int i;
X509_ATTRIBUTE *xa;
@ -793,9 +797,9 @@ static ASN1_TYPE *get_attribute(STACK *sk, int nid)
o=OBJ_nid2obj(nid);
if (!o || !sk) return(NULL);
for (i=0; i<sk_num(sk); i++)
for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
{
xa=(X509_ATTRIBUTE *)sk_value(sk,i);
xa=sk_X509_ATTRIBUTE_value(sk,i);
if (OBJ_cmp(xa->object,o) == 0)
{
if (xa->set && sk_ASN1_TYPE_num(xa->value.set))
@ -807,40 +811,44 @@ static ASN1_TYPE *get_attribute(STACK *sk, int nid)
return(NULL);
}
ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK *sk)
ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk)
{
ASN1_TYPE *astype;
if(!(astype = get_attribute(sk, NID_pkcs9_messageDigest))) return NULL;
return astype->value.octet_string;
}
int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si, STACK *sk)
int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
STACK_OF(X509_ATTRIBUTE) *sk)
{
int i;
if (p7si->auth_attr != NULL)
sk_pop_free(p7si->auth_attr,X509_ATTRIBUTE_free);
p7si->auth_attr=sk_dup(sk);
for (i=0; i<sk_num(sk); i++)
sk_X509_ATTRIBUTE_pop_free(p7si->auth_attr,X509_ATTRIBUTE_free);
p7si->auth_attr=sk_X509_ATTRIBUTE_dup(sk);
for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
{
if ((sk_set(p7si->auth_attr,i,(char *)X509_ATTRIBUTE_dup(
(X509_ATTRIBUTE *)sk_value(sk,i)))) == NULL)
if ((sk_X509_ATTRIBUTE_set(p7si->auth_attr,i,
X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value(sk,i))))
== NULL)
return(0);
}
return(1);
}
int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si, STACK *sk)
int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si, STACK_OF(X509_ATTRIBUTE) *sk)
{
int i;
if (p7si->unauth_attr != NULL)
sk_pop_free(p7si->unauth_attr,X509_ATTRIBUTE_free);
p7si->unauth_attr=sk_dup(sk);
for (i=0; i<sk_num(sk); i++)
sk_X509_ATTRIBUTE_pop_free(p7si->unauth_attr,
X509_ATTRIBUTE_free);
p7si->unauth_attr=sk_X509_ATTRIBUTE_dup(sk);
for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
{
if ((sk_set(p7si->unauth_attr,i,(char *)X509_ATTRIBUTE_dup(
(X509_ATTRIBUTE *)sk_value(sk,i)))) == NULL)
if ((sk_X509_ATTRIBUTE_set(p7si->unauth_attr,i,
X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value(sk,i))))
== NULL)
return(0);
}
return(1);
@ -858,29 +866,30 @@ int PKCS7_add_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
return(add_attribute(&(p7si->unauth_attr),nid,atrtype,value));
}
static int add_attribute(STACK **sk, int nid, int atrtype, void *value)
static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
void *value)
{
X509_ATTRIBUTE *attr=NULL;
if (*sk == NULL)
{
*sk = sk_new(NULL);
*sk = sk_X509_ATTRIBUTE_new(NULL);
new_attrib:
attr=X509_ATTRIBUTE_create(nid,atrtype,value);
sk_push(*sk,(char *)attr);
sk_X509_ATTRIBUTE_push(*sk,attr);
}
else
{
int i;
for (i=0; i<sk_num(*sk); i++)
for (i=0; i<sk_X509_ATTRIBUTE_num(*sk); i++)
{
attr=(X509_ATTRIBUTE *)sk_value(*sk,i);
attr=sk_X509_ATTRIBUTE_value(*sk,i);
if (OBJ_obj2nid(attr->object) == nid)
{
X509_ATTRIBUTE_free(attr);
attr=X509_ATTRIBUTE_create(nid,atrtype,value);
sk_set(*sk,i,(char *)attr);
sk_X509_ATTRIBUTE_set(*sk,i,attr);
goto end;
}
}

11
crypto/pkcs7/pkcs7.h
View File

@ -89,10 +89,10 @@ typedef struct pkcs7_signer_info_st
ASN1_INTEGER *version; /* version 1 */
PKCS7_ISSUER_AND_SERIAL *issuer_and_serial;
X509_ALGOR *digest_alg;
STACK /* X509_ATTRIBUTE */ *auth_attr; /* [ 0 ] */
STACK_OF(X509_ATTRIBUTE) *auth_attr; /* [ 0 ] */
X509_ALGOR *digest_enc_alg;
ASN1_OCTET_STRING *enc_digest;
STACK /* X509_ATTRIBUTE */ *unauth_attr; /* [ 1 ] */
STACK_OF(X509_ATTRIBUTE) *unauth_attr; /* [ 1 ] */
/* The private key to sign with */
EVP_PKEY *pkey;
@ -344,15 +344,16 @@ int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509);
int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher);
PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx);
ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK *sk);
ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk);
int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si,int nid,int type,
void *data);
int PKCS7_add_attribute (PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
void *value);
ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid);
ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid);
int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si, STACK *sk);
int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si, STACK *sk);
int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
STACK_OF(X509_ATTRIBUTE) *sk);
int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si,STACK_OF(X509_ATTRIBUTE) *sk);