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Set CMS EnvelopedData version correctly.

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This commit is contained in:
Dr. Stephen Henson 2013-07-10 18:36:37 +01:00
parent 97cf1f6c28
commit ff7b6ce9db
1 changed files with 73 additions and 0 deletions
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73
crypto/cms/cms_env.c
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@ -865,6 +865,78 @@ int CMS_RecipientInfo_encrypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri)
} }
} }
/* Check structures and fixup version numbers (if necessary) */
static void cms_env_set_originfo_version(CMS_EnvelopedData *env)
{
CMS_OriginatorInfo *org = env->originatorInfo;
int i;
if (org == NULL)
return;
for (i = 0; i < sk_CMS_CertificateChoices_num(org->certificates); i++)
{
CMS_CertificateChoices *cch;
cch = sk_CMS_CertificateChoices_value(org->certificates, i);
if (cch->type == CMS_CERTCHOICE_OTHER)
{
env->version = 4;
return;
}
else if (cch->type == CMS_CERTCHOICE_V2ACERT)
{
if (env->version < 3)
env->version = 3;
}
}
for (i = 0; i < sk_CMS_RevocationInfoChoice_num(org->crls); i++)
{
CMS_RevocationInfoChoice *rch;
rch = sk_CMS_RevocationInfoChoice_value(org->crls, i);
if (rch->type == CMS_REVCHOICE_OTHER)
{
env->version = 4;
return;
}
}
}
static void cms_env_set_version(CMS_EnvelopedData *env)
{
int i;
CMS_RecipientInfo *ri;
/* Can't set version higher than 4 so if 4 or more already nothing
* to do.
*/
if (env->version >= 4)
return;
cms_env_set_originfo_version(env);
if (env->version >= 3)
return;
for (i = 0; i < sk_CMS_RecipientInfo_num(env->recipientInfos); i++)
{
ri = sk_CMS_RecipientInfo_value(env->recipientInfos, i);
if (ri->type == CMS_RECIPINFO_PASS || ri->type == CMS_RECIPINFO_OTHER)
{
env->version = 3;
return;
}
else if (ri->type != CMS_RECIPINFO_TRANS)
{
env->version = 2;
}
}
if (env->version == 2)
return;
if (env->originatorInfo || env->unprotectedAttrs)
env->version = 2;
env->version = 0;
}
BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms) BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms)
{ {
CMS_EncryptedContentInfo *ec; CMS_EncryptedContentInfo *ec;
@ -897,6 +969,7 @@ BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms)
goto err; goto err;
} }
} }
cms_env_set_version(cms->d.envelopedData);
ok = 1; ok = 1;