diff options
Diffstat (limited to 'src/libstrongswan/credentials/sets/mem_cred.c')
| -rw-r--r-- | src/libstrongswan/credentials/sets/mem_cred.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/src/libstrongswan/credentials/sets/mem_cred.c b/src/libstrongswan/credentials/sets/mem_cred.c index 988e709ad..0f8bff23f 100644 --- a/src/libstrongswan/credentials/sets/mem_cred.c +++ b/src/libstrongswan/credentials/sets/mem_cred.c @@ -1,6 +1,7 @@ /* - * Copyright (C) 2010-2015 Tobias Brunner - * Hochschule fuer Technik Rapperwsil + * Copyright (C) 2010-2016 Tobias Brunner + * HSR Hochschule fuer Technik Rapperwsil + * * Copyright (C) 2010 Martin Willi * Copyright (C) 2010 revosec AG * @@ -223,6 +224,7 @@ METHOD(mem_cred_t, add_crl, bool, { if (current->get_type(current) == CERT_X509_CRL) { + chunk_t base; bool found = FALSE; crl_t *crl_c = (crl_t*)current; chunk_t authkey = crl->get_authKeyIdentifier(crl); @@ -246,17 +248,37 @@ METHOD(mem_cred_t, add_crl, bool, } if (found) { - new = crl_is_newer(crl, crl_c); - if (new) + /* we keep at most one delta CRL for each base CRL */ + if (crl->is_delta_crl(crl, &base)) { - this->untrusted->remove_at(this->untrusted, enumerator); - current->destroy(current); + if (!crl_c->is_delta_crl(crl_c, NULL)) + { + if (chunk_equals(base, crl_c->get_serial(crl_c))) + { /* keep the added delta and the existing base CRL + * but check if this is the newest delta CRL for + * the same base */ + continue; + } + } } - else + else if (crl_c->is_delta_crl(crl_c, &base)) + { + if (chunk_equals(base, crl->get_serial(crl))) + { /* keep the existing delta and the added base CRL, + * but check if we don't store it already */ + continue; + } + } + new = crl_is_newer(crl, crl_c); + if (!new) { cert->destroy(cert); + break; } - break; + /* we remove the existing older CRL but there might be other + * delta or base CRLs we can replace */ + this->untrusted->remove_at(this->untrusted, enumerator); + current->destroy(current); } } } |