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(hx509_verify_path): handle the case where the where two proxy certs

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in a chain.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17274 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-04-26 16:47:45 +00:00
parent 5cf4bf36f0
commit b1139e02d0
1 changed files with 38 additions and 6 deletions
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44
lib/hx509/cert.c
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@@ -1325,20 +1325,32 @@ hx509_verify_path(hx509_context context,
}
/*
* XXX need to mangle name to remove the CN of the
* subject, copying issuer only works for one level
* but is better then doing no checking at all.
*
* The subject name of the proxy certificate should be
* CN=XXX,<proxy issuer>
* CN=XXX,<proxy issuer>, prune of CN and check if its
* the same over the whole chain of proxy certs and
* then check with the EE cert when we get to it.
*/
ret = copy_Name(&c->tbsCertificate.issuer, &name);
ret = copy_Name(&c->tbsCertificate.subject, &name);
if (ret) {
free_ProxyCertInfo(&info);
goto out;
}
j = name.u.rdnSequence.len;
if (name.u.rdnSequence.len < 2
|| name.u.rdnSequence.val[j - 1].len > 1
|| heim_oid_cmp(&name.u.rdnSequence.val[j - 1].val[0].type,
oid_id_at_commonName()))
{
free_ProxyCertInfo(&info);
ret = HX509_PROXY_CERT_NAME_WRONG;
goto out;
}
free_RelativeDistinguishedName(&name.u.rdnSequence.val[j - 1]);
name.u.rdnSequence.len -= 1;
if (proxy_cert_depth) {
ret = _hx509_name_cmp(&proxy_issuer, &name);
free_Name(&name);
@@ -1354,10 +1366,30 @@ hx509_verify_path(hx509_context context,
free_ProxyCertInfo(&info);
break;
} else {
/*
* Now we are done with the proxy certificates, if
* there where any proxy certificates
* (proxy_cert_depth > 0), check that the proxy issuer
* matched proxy certificates subject.
*/
if (proxy_cert_depth) {
ret = _hx509_name_cmp(&proxy_issuer,
&c->tbsCertificate.subject);
if (ret) {
char *str;
ret = hx509_name_to_string(&proxy_issuer, &str);
if (ret)
abort();
printf("name: %s\n", str);
free(str);
ret = hx509_name_to_string(&c->tbsCertificate.subject, &str);
if (ret)
abort();
printf("subject: %s\n", str);
free(str);
printf("name wrong3\n");
ret = HX509_PROXY_CERT_NAME_WRONG;
goto out;
}