Hi all,
I'm trying to implement CRL in my server program.
If I don't use CRL, server runs well.
After I load CRL file, I get the following errors
-Error with certificate at depth: 0
issuer = /C=AA/ST=BB/L=CC/O=DD/CN=Root CA
subject = /C=AA/ST=BB/L=CC/O=DD/CN=EE
err 3:unable to get certificate CRL
** server.c:166 Error accepting SSL connection
the CRL file I loaded is in PEM format, sth like this:
--------BEGIN X509 CRL----------------
asdflasf
--------END X509 CRL------------------
the following function set up server ctx and store, no error returns
from it(no error for crl loading, right?). I got the above error from
SSL_accept().
SSL_CTX *setup_server_ctx(void)
{
SSL_CTX *ctx;
X509_STORE *store;
X509_LOOKUP *lookup;
ctx = SSL_CTX_new(SSLv23_method( ));
if (SSL_CTX_load_verify_locations(ctx, CAFILE, CADIR) != 1)
int_error("Error loading CA file and/or directory");
if (SSL_CTX_set_default_verify_paths(ctx) != 1)
int_error("Error loading default CA file and/or directory");
if (SSL_CTX_use_certificate_chain_file(ctx, CERTFILE) != 1)
int_error("Error loading certificate from file");
if (SSL_CTX_use_PrivateKey_file(ctx, CERTFILE, SSL_FILETYPE_PEM) !=
1)
int_error("Error loading private key from file");
SSL_CTX_set_verify(ctx,
SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
verify_callback);
SSL_CTX_set_verify_depth(ctx, 4);
SSL_CTX_set_options(ctx, SSL_OP_ALL | SSL_OP_NO_SSLv2 |
SSL_OP_SINGLE_DH_USE);
SSL_CTX_set_tmp_dh_callback(ctx, tmp_dh_callback);
if (SSL_CTX_set_cipher_list(ctx, CIPHER_LIST) != 1)
int_error("Error setting cipher list (no valid ciphers)");
//Enable CRL
store = SSL_CTX_get_cert_store(ctx);
if (!(lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file())))
int_error("Error creating X509_LOOKUP object");
if (X509_load_crl_file(lookup, CRLFILE, X509_FILETYPE_PEM) != 1)
int_error("Error reading the CRL file");
X509_STORE_set_flags(store, X509_V_FLAG_CRL_CHECK |
X509_V_FLAG_CRL_CHECK_ALL);
return ctx;
}
}
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