bool SSLConnection::checkCertSigner() {
X509_STORE_CTX xsc;
X509_STORE *c;
bool pass = false;
if (!(c = X509_STORE_new())) return false;
if (UseSysCerts) {
if (!X509_STORE_set_default_paths (c)) {
DEBUGPRINT(D_SOCKET,(("X509_STORE_set_default_paths failed")));
} else
pass = true;
}
if (!X509_STORE_load_locations (c, SSLCertFile, NULL)) {
DEBUGPRINT(D_SOCKET,("X509_STORE_load_locations_failed"));
} else
pass = true;
if (!pass) {
/* nothing to do */
X509_STORE_free (c);
return false;
}
X509_STORE_CTX_init (&xsc, c, cert, NULL);
pass = (X509_verify_cert (&xsc) > 0);
X509_STORE_CTX_cleanup (&xsc);
X509_STORE_free (c);
return pass;
}
static X509_STORE *create_store(nsp_state *N)
{
#define __FN__ __FILE__ ":create_store()"
X509_STORE *store;
X509_LOOKUP *lookup;
if (!(store = X509_STORE_new())) {
n_warn(N, __FN__, "Error creating X509_STORE_CTX object");
goto err;
}
X509_STORE_set_verify_cb_func(store, verify_callback);
if (X509_STORE_load_locations(store, CA_FILE, CA_DIR) != 1) {
n_warn(N, __FN__, "Error loading the CA file or directory");
goto err;
}
if (X509_STORE_set_default_paths(store) != 1) {
n_warn(N, __FN__, "Error loading the system-wide CA certificates");
goto err;
}
if (!(lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()))) {
n_warn(N, __FN__, "Error creating X509_LOOKUP object");
goto err;
}
if (X509_load_crl_file(lookup, CRL_FILE, X509_FILETYPE_PEM) != 1) {
n_warn(N, __FN__, "Error reading the CRL file");
goto err;
}
X509_STORE_set_flags(store, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
return store;
err:
return NULL;
#undef __FN__
}
int main(int argc, char *argv[]) {
X509 *cert;
X509_STORE *store;
X509_LOOKUP *lookup;
X509_STORE_CTX *verify_ctx;
FILE *fp;
OpenSSL_add_all_algorithms();
ERR_load_crypto_strings();
/* frist read the client certificate */
if (!(fp = fopen(CLIENT_CERT, "r"))) {
int_error("Error reading client certificate file");
}
if (!(cert = PEM_read_X509(fp, NULL, NULL, NULL))) {
int_error("Error reading client certificate in file");
}
fclose(fp);
/* create the cert store and set the verify callback */
if (!(store = X509_STORE_new())) {
int_error("Error creating X509_STORE_CTX object");
}
X509_STORE_set_verify_cb_func(store, verify_callback);
/* load the CA certificates and CRLs */
if (X509_STORE_load_locations(store, CA_FILE, CA_DIR) != 1) {
int_error("Error loading the CA file or directory");
}
if (X509_STORE_set_default_paths(store) != 1) {
int_error("Error loading the system-wide CA certificates");
}
if (!(lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()))) {
int_error("Error creating X509_LOOKUP object");
}
if (X509_load_crl_file(lookup, CRL_FILE, X509_FILETYPE_PEM) != 1) {
int_error("Error reading the CRL file");
}
/* set the flags of the store so that the CRLs are consulted */
X509_STORE_set_flags(store, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
/* create a verification context and initialize it */
if (!(verify_ctx = X509_STORE_CTX_new())) {
int_error("Error creating X509_STORE_CTX object");
}
if (X509_STORE_CTX_init(verify_ctx, store, cert, NULL) != 1) {
int_error("Error initializing verification context");
}
/* verify the certificate */
if (X509_verify_cert(verify_ctx) != 1) {
int_error("Error verifying the certificate");
}
else {
printf("Certificate verified correctly!\n");
}
return 0;
}
/**
* @brief HTTPS::HTTPS
* @param inServer
* @param inPath
* @param args
* @param max_redir
*/
HTTPS::HTTPS(std::string inServer, std::string inPath, Arguments *args, int max_redir) : HTTP(inServer, inPath, max_redir)
{
m_args = args;
ctx = NULL;
ssl = NULL;
SSL_library_init();
OpenSSL_add_all_algorithms(); // requited initialization functions
m_port = 443; // port for SSL
ctx = SSL_CTX_new(SSLv23_client_method()); // for better compatibility
if (args->getCertfileUsed()) // if we are using certfile
{
if (!SSL_CTX_load_verify_locations(ctx, args->sCertFileName().c_str(), NULL)) // test the file
{
throw ISAException("Error - Loading Certificate File");
}
}
else if (args->getCertfileFolderUsed()) // if we are using a folder
{
if (!SSL_CTX_load_verify_locations(ctx, NULL, args->sCertFilesFolder().c_str())) // test the folder
{
throw ISAException("Error - Loading Certificates from a folder");
}
}
else
{
if (!SSL_CTX_load_verify_locations(ctx, NULL, "/etc/ssl/certs/")) // default folder for certs
{
throw ISAException("Error - Loading cerificates from /etc/ssl/certs");
}
}
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
SSL_CTX_set_options(ctx, SSL_OP_SINGLE_DH_USE);
SSL_CTX_get_cert_store(ctx); // set up a store
certstore = X509_STORE_new(); // create a new one
if (m_args->getCertfileUsed()) X509_STORE_load_locations(certstore, m_args->sCertFileName().c_str(), NULL); // if we use file, test again
else if (m_args->getCertfileFolderUsed()) X509_STORE_load_locations(certstore, NULL, m_args->sCertFilesFolder().c_str()); // test folder
else X509_STORE_load_locations(certstore, NULL, "/etc/ssl/certs/"); // else load default location
if (certstore == NULL) throw ISAException("Error - Certificate could not be loaded."); // error, throw ISAException
SSL_CTX_set_cert_store(ctx, certstore); // set up the store with ctx
}
static int check_certificate_by_signer (X509 *peercert)
{
X509_STORE_CTX *xsc;
X509_STORE *ctx;
int pass = 0, i;
ctx = X509_STORE_new ();
if (ctx == NULL) return 0;
if (option (OPTSSLSYSTEMCERTS))
{
if (X509_STORE_set_default_paths (ctx))
pass++;
else
dprint (2, (debugfile, "X509_STORE_set_default_paths failed\n"));
}
if (X509_STORE_load_locations (ctx, SslCertFile, NULL))
pass++;
else
dprint (2, (debugfile, "X509_STORE_load_locations failed\n"));
for (i = 0; i < sk_X509_num (SslSessionCerts); i++)
pass += (X509_STORE_add_cert (ctx, sk_X509_value (SslSessionCerts, i)) != 0);
if (pass == 0)
{
/* nothing to do */
X509_STORE_free (ctx);
return 0;
}
xsc = X509_STORE_CTX_new();
if (xsc == NULL) return 0;
X509_STORE_CTX_init (xsc, ctx, peercert, SslSessionCerts);
pass = (X509_verify_cert (xsc) > 0);
#ifdef DEBUG
if (! pass)
{
char buf[SHORT_STRING];
int err;
err = X509_STORE_CTX_get_error (xsc);
snprintf (buf, sizeof (buf), "%s (%d)",
X509_verify_cert_error_string(err), err);
dprint (2, (debugfile, "X509_verify_cert: %s\n", buf));
dprint (2, (debugfile, " [%s]\n", peercert->name));
}
#endif
X509_STORE_CTX_free (xsc);
X509_STORE_free (ctx);
return pass;
}
/// \brief Used by pkcs7_main() - not to be used directly.
///
/// \param N/A
/// \return N/A
///
X509_STORE *
create_store (void)
{
X509_STORE *store;
X509_LOOKUP *lookup;
/* create the cert store and set the verify callback */
if (!(store = X509_STORE_new ()))
{
fprintf (stderr, "Error creating X509_STORE_CTX object\n");
goto err;
}
X509_STORE_set_verify_cb_func (store, verify_callback);
/* load the CA certificates and CRLs */
if (X509_STORE_load_locations (store, CA_FILE, CA_DIR) != 1)
{
fprintf (stderr, "Error loading the CA file or directory\n");
goto err;
}
if (X509_STORE_set_default_paths (store) != 1)
{
fprintf (stderr, "Error loading the system-wide CA certificates\n");
goto err;
}
if (!(lookup = X509_STORE_add_lookup (store, X509_LOOKUP_file ())))
{
fprintf (stderr, "Error creating X509_LOOKUP object\n");
goto err;
}
/* if (X509_load_crl_file (lookup, CRL_FILE, X509_FILETYPE_PEM) != 1)
{
fprintf (stderr, "Error reading the CRL file\n");
goto err;
}
*/
/* set the flags of the store so that CRLs are consulted */
X509_STORE_set_flags (store, X509_V_FLAG_CRL_CHECK |
X509_V_FLAG_CRL_CHECK_ALL);
return store;
err:
return NULL;
}
static X509_STORE *X509_default_lookup(unsigned long issuer_name_hash)
{
static X509_STORE *store = NULL;
if (!store)
store = X509_STORE_new();
check(store, "Failed to create trust store");
if (!X509_STORE_load_locations(store, NULL, x509_default_dir)) {
log_err("Failed to load trusted certificates");
X509_STORE_free(store);
store = NULL;
}
err:
return store;
}
static int do_store(SSL_CONF_CTX *cctx,
const char *CAfile, const char *CApath, int verify_store)
{
CERT *cert;
X509_STORE **st;
if (cctx->ctx)
cert = cctx->ctx->cert;
else if (cctx->ssl)
cert = cctx->ssl->cert;
else
return 1;
st = verify_store ? &cert->verify_store : &cert->chain_store;
if (*st == NULL) {
*st = X509_STORE_new();
if (*st == NULL)
return 0;
}
return X509_STORE_load_locations(*st, CAfile, CApath) > 0;
}
int
ca_X509_verify(void *certificate, void *chain, const char *CAfile,
const char *CRLfile, const char **errstr)
{
X509_STORE *store = NULL;
X509_STORE_CTX *xsc = NULL;
int ret = 0;
if ((store = X509_STORE_new()) == NULL)
goto end;
if (!X509_STORE_load_locations(store, CAfile, NULL)) {
log_warn("warn: unable to load CA file %s", CAfile);
goto end;
}
X509_STORE_set_default_paths(store);
if ((xsc = X509_STORE_CTX_new()) == NULL)
goto end;
if (X509_STORE_CTX_init(xsc, store, certificate, chain) != 1)
goto end;
X509_STORE_CTX_set_verify_cb(xsc, ca_verify_cb);
ret = X509_verify_cert(xsc);
end:
*errstr = NULL;
if (ret != 1) {
if (xsc)
*errstr = X509_verify_cert_error_string(xsc->error);
else if (ERR_peek_last_error())
*errstr = ERR_error_string(ERR_peek_last_error(), NULL);
}
if (xsc)
X509_STORE_CTX_free(xsc);
if (store)
X509_STORE_free(store);
return ret > 0 ? 1 : 0;
}
/*
* Create Global X509 revocation store and use it to verify
* OCSP responses
*
* - Load the trusted CAs
* - Load the trusted issuer certificates
*/
static X509_STORE *init_revocation_store(EAP_TLS_CONF *conf)
{
X509_STORE *store = NULL;
store = X509_STORE_new();
/* Load the CAs we trust */
if (conf->ca_file || conf->ca_path)
if(!X509_STORE_load_locations(store, conf->ca_file, conf->ca_path)) {
radlog(L_ERR, "rlm_eap: X509_STORE error %s", ERR_error_string(ERR_get_error(), NULL));
radlog(L_ERR, "rlm_eap_tls: Error reading Trusted root CA list %s",conf->ca_file );
return NULL;
}
#ifdef X509_V_FLAG_CRL_CHECK
if (conf->check_crl)
X509_STORE_set_flags(store, X509_V_FLAG_CRL_CHECK);
#endif
return store;
}
int s2n_x509_trust_store_from_ca_file(struct s2n_x509_trust_store *store, const char *ca_pem_filename, const char *ca_dir) {
if (!store->trust_store) {
store->trust_store = X509_STORE_new();
notnull_check(store->trust_store);
}
int err_code = X509_STORE_load_locations(store->trust_store, ca_pem_filename, ca_dir);
if (!err_code) {
s2n_x509_trust_store_wipe(store);
return -1;
}
/* It's a likely scenario if this function is called, a self-signed certificate is used, and that is was generated
* without a trust anchor. However if you call this function, the assumption is you trust ca_file or path and if a certificate
* is encountered that's in that path, it should be trusted. The following flag tells libcrypto to not care that the cert
* is missing a root anchor. */
unsigned long flags = X509_VP_FLAG_DEFAULT;
flags |= X509_V_FLAG_PARTIAL_CHAIN;
X509_STORE_set_flags(store->trust_store, flags);
return 0;
}
/*
* Initialize global SSL context.
*/
void
be_tls_init(void)
{
struct stat buf;
STACK_OF(X509_NAME) *root_cert_list = NULL;
if (!SSL_context)
{
#if SSLEAY_VERSION_NUMBER >= 0x0907000L
OPENSSL_config(NULL);
#endif
SSL_library_init();
SSL_load_error_strings();
/*
* We use SSLv23_method() because it can negotiate use of the highest
* mutually supported protocol version, while alternatives like
* TLSv1_2_method() permit only one specific version. Note that we
* don't actually allow SSL v2 or v3, only TLS protocols (see below).
*/
SSL_context = SSL_CTX_new(SSLv23_method());
if (!SSL_context)
ereport(FATAL,
(errmsg("could not create SSL context: %s",
SSLerrmessage())));
/*
* Disable OpenSSL's moving-write-buffer sanity check, because it
* causes unnecessary failures in nonblocking send cases.
*/
SSL_CTX_set_mode(SSL_context, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
/*
* Load and verify server's certificate and private key
*/
if (SSL_CTX_use_certificate_chain_file(SSL_context,
ssl_cert_file) != 1)
ereport(FATAL,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("could not load server certificate file \"%s\": %s",
ssl_cert_file, SSLerrmessage())));
if (stat(ssl_key_file, &buf) != 0)
ereport(FATAL,
(errcode_for_file_access(),
errmsg("could not access private key file \"%s\": %m",
ssl_key_file)));
/*
* Require no public access to key file.
*
* XXX temporarily suppress check when on Windows, because there may
* not be proper support for Unix-y file permissions. Need to think
* of a reasonable check to apply on Windows. (See also the data
* directory permission check in postmaster.c)
*/
#if !defined(WIN32) && !defined(__CYGWIN__)
if (!S_ISREG(buf.st_mode) || buf.st_mode & (S_IRWXG | S_IRWXO))
ereport(FATAL,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("private key file \"%s\" has group or world access",
ssl_key_file),
errdetail("Permissions should be u=rw (0600) or less.")));
#endif
if (SSL_CTX_use_PrivateKey_file(SSL_context,
ssl_key_file,
SSL_FILETYPE_PEM) != 1)
ereport(FATAL,
(errmsg("could not load private key file \"%s\": %s",
ssl_key_file, SSLerrmessage())));
if (SSL_CTX_check_private_key(SSL_context) != 1)
ereport(FATAL,
(errmsg("check of private key failed: %s",
SSLerrmessage())));
}
/* set up ephemeral DH keys, and disallow SSL v2/v3 while at it */
SSL_CTX_set_tmp_dh_callback(SSL_context, tmp_dh_cb);
SSL_CTX_set_options(SSL_context,
SSL_OP_SINGLE_DH_USE |
SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
/* set up ephemeral ECDH keys */
initialize_ecdh();
/* set up the allowed cipher list */
if (SSL_CTX_set_cipher_list(SSL_context, SSLCipherSuites) != 1)
elog(FATAL, "could not set the cipher list (no valid ciphers available)");
/* Let server choose order */
if (SSLPreferServerCiphers)
SSL_CTX_set_options(SSL_context, SSL_OP_CIPHER_SERVER_PREFERENCE);
/*
* Load CA store, so we can verify client certificates if needed.
*/
if (ssl_ca_file[0])
{
if (SSL_CTX_load_verify_locations(SSL_context, ssl_ca_file, NULL) != 1 ||
(root_cert_list = SSL_load_client_CA_file(ssl_ca_file)) == NULL)
ereport(FATAL,
(errmsg("could not load root certificate file \"%s\": %s",
ssl_ca_file, SSLerrmessage())));
}
/*----------
* Load the Certificate Revocation List (CRL).
* http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci803160,00.html
*----------
*/
if (ssl_crl_file[0])
{
X509_STORE *cvstore = SSL_CTX_get_cert_store(SSL_context);
if (cvstore)
{
/* Set the flags to check against the complete CRL chain */
if (X509_STORE_load_locations(cvstore, ssl_crl_file, NULL) == 1)
{
/* OpenSSL 0.96 does not support X509_V_FLAG_CRL_CHECK */
#ifdef X509_V_FLAG_CRL_CHECK
X509_STORE_set_flags(cvstore,
X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
#else
ereport(LOG,
(errmsg("SSL certificate revocation list file \"%s\" ignored",
ssl_crl_file),
errdetail("SSL library does not support certificate revocation lists.")));
#endif
}
else
ereport(FATAL,
(errmsg("could not load SSL certificate revocation list file \"%s\": %s",
ssl_crl_file, SSLerrmessage())));
}
}
if (ssl_ca_file[0])
{
/*
* Always ask for SSL client cert, but don't fail if it's not
* presented. We might fail such connections later, depending on what
* we find in pg_hba.conf.
*/
SSL_CTX_set_verify(SSL_context,
(SSL_VERIFY_PEER |
SSL_VERIFY_CLIENT_ONCE),
verify_cb);
/* Set flag to remember CA store is successfully loaded */
ssl_loaded_verify_locations = true;
/*
* Tell OpenSSL to send the list of root certs we trust to clients in
* CertificateRequests. This lets a client with a keystore select the
* appropriate client certificate to send to us.
*/
SSL_CTX_set_client_CA_list(SSL_context, root_cert_list);
}
}
/*
* Initialize global SSL context.
*/
static void
initialize_SSL(void)
{
struct stat buf;
STACK_OF(X509_NAME) *root_cert_list = NULL;
if (!SSL_context)
{
#if SSLEAY_VERSION_NUMBER >= 0x0907000L
OPENSSL_config(NULL);
#endif
SSL_library_init();
SSL_load_error_strings();
SSL_context = SSL_CTX_new(SSLv23_method());
if (!SSL_context)
ereport(FATAL,
(errmsg("could not create SSL context: %s",
SSLerrmessage())));
/*
* Disable OpenSSL's moving-write-buffer sanity check, because it
* causes unnecessary failures in nonblocking send cases.
*/
SSL_CTX_set_mode(SSL_context, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
/*
* Load and verify server's certificate and private key
*/
if (SSL_CTX_use_certificate_chain_file(SSL_context,
SERVER_CERT_FILE) != 1)
ereport(FATAL,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("could not load server certificate file \"%s\": %s",
SERVER_CERT_FILE, SSLerrmessage())));
if (stat(SERVER_PRIVATE_KEY_FILE, &buf) != 0)
ereport(FATAL,
(errcode_for_file_access(),
errmsg("could not access private key file \"%s\": %m",
SERVER_PRIVATE_KEY_FILE)));
/*
* Require no public access to key file.
*
* XXX temporarily suppress check when on Windows, because there may
* not be proper support for Unix-y file permissions. Need to think
* of a reasonable check to apply on Windows. (See also the data
* directory permission check in postmaster.c)
*/
#if !defined(WIN32) && !defined(__CYGWIN__)
if (!S_ISREG(buf.st_mode) || buf.st_mode & (S_IRWXG | S_IRWXO))
ereport(FATAL,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("private key file \"%s\" has group or world access",
SERVER_PRIVATE_KEY_FILE),
errdetail("Permissions should be u=rw (0600) or less.")));
#endif
if (SSL_CTX_use_PrivateKey_file(SSL_context,
SERVER_PRIVATE_KEY_FILE,
SSL_FILETYPE_PEM) != 1)
ereport(FATAL,
(errmsg("could not load private key file \"%s\": %s",
SERVER_PRIVATE_KEY_FILE, SSLerrmessage())));
if (SSL_CTX_check_private_key(SSL_context) != 1)
ereport(FATAL,
(errmsg("check of private key failed: %s",
SSLerrmessage())));
}
/* set up ephemeral DH keys, and disallow SSL v2 while at it */
SSL_CTX_set_tmp_dh_callback(SSL_context, tmp_dh_cb);
SSL_CTX_set_options(SSL_context, SSL_OP_SINGLE_DH_USE | SSL_OP_NO_SSLv2);
/* set up the allowed cipher list */
if (SSL_CTX_set_cipher_list(SSL_context, SSLCipherSuites) != 1)
elog(FATAL, "could not set the cipher list (no valid ciphers available)");
/*
* Attempt to load CA store, so we can verify client certificates if
* needed.
*/
ssl_loaded_verify_locations = false;
if (access(ROOT_CERT_FILE, R_OK) != 0)
{
/*
* If root certificate file simply not found, don't log an error here,
* because it's quite likely the user isn't planning on using client
* certificates. If we can't access it for other reasons, it is an
* error.
*/
if (errno != ENOENT)
ereport(FATAL,
(errmsg("could not access root certificate file \"%s\": %m",
ROOT_CERT_FILE)));
}
else if (SSL_CTX_load_verify_locations(SSL_context, ROOT_CERT_FILE, NULL) != 1 ||
(root_cert_list = SSL_load_client_CA_file(ROOT_CERT_FILE)) == NULL)
{
/*
* File was there, but we could not load it. This means the file is
* somehow broken, and we cannot do verification at all - so fail.
*/
ereport(FATAL,
(errmsg("could not load root certificate file \"%s\": %s",
ROOT_CERT_FILE, SSLerrmessage())));
}
else
{
/*----------
* Load the Certificate Revocation List (CRL) if file exists.
* http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci803160,00.html
*----------
*/
X509_STORE *cvstore = SSL_CTX_get_cert_store(SSL_context);
if (cvstore)
{
/* Set the flags to check against the complete CRL chain */
if (X509_STORE_load_locations(cvstore, ROOT_CRL_FILE, NULL) == 1)
{
/* OpenSSL 0.96 does not support X509_V_FLAG_CRL_CHECK */
#ifdef X509_V_FLAG_CRL_CHECK
X509_STORE_set_flags(cvstore,
X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
#else
ereport(LOG,
(errmsg("SSL certificate revocation list file \"%s\" ignored",
ROOT_CRL_FILE),
errdetail("SSL library does not support certificate revocation lists.")));
#endif
}
else
{
/* Not fatal - we do not require CRL */
ereport(LOG,
(errmsg("SSL certificate revocation list file \"%s\" not found, skipping: %s",
ROOT_CRL_FILE, SSLerrmessage()),
errdetail("Certificates will not be checked against revocation list.")));
}
/*
* Always ask for SSL client cert, but don't fail if it's not
* presented. We might fail such connections later, depending on
* what we find in pg_hba.conf.
*/
SSL_CTX_set_verify(SSL_context,
(SSL_VERIFY_PEER |
SSL_VERIFY_CLIENT_ONCE),
verify_cb);
/* Set flag to remember CA store is successfully loaded */
ssl_loaded_verify_locations = true;
}
/*
* Tell OpenSSL to send the list of root certs we trust to clients in
* CertificateRequests. This lets a client with a keystore select the
* appropriate client certificate to send to us.
*/
SSL_CTX_set_client_CA_list(SSL_context, root_cert_list);
}
}
int
easy_pkcs7_verify(const char *content, size_t len,
const char *signature, size_t signature_len,
const char *anchor, int is_pkg)
{
STACK_OF(X509) *cert_chain, *signers;
X509_STORE *store;
BIO *sig, *in;
PKCS7 *p7;
int i, status;
X509_NAME *name;
char *subject;
OpenSSL_add_all_algorithms();
ERR_load_crypto_strings();
status = -1;
if (cert_chain_file)
cert_chain = file_to_certs(cert_chain_file);
else
cert_chain = NULL;
store = X509_STORE_new();
if (store == NULL) {
sk_X509_free(cert_chain);
warnx("Failed to create certificate store");
return -1;
}
X509_STORE_load_locations(store, anchor, NULL);
in = BIO_new_mem_buf(__UNCONST(content), len);
sig = BIO_new_mem_buf(__UNCONST(signature), signature_len);
signers = NULL;
p7 = PEM_read_bio_PKCS7(sig, NULL, NULL, NULL);
if (p7 == NULL) {
warnx("Failed to parse the signature");
goto cleanup;
}
if (PKCS7_verify(p7, cert_chain, store, in, NULL, 0) != 1) {
warnx("Failed to verify signature");
goto cleanup;
}
signers = PKCS7_get0_signers(p7, NULL, 0);
if (signers == NULL) {
warnx("Failed to get signers");
goto cleanup;
}
if (sk_X509_num(signers) == 0) {
warnx("No signers found");
goto cleanup;
}
for (i = 0; i < sk_X509_num(signers); i++) {
/* Compute ex_xkusage */
X509_check_purpose(sk_X509_value(signers, i), -1, -1);
if (check_ca(sk_X509_value(signers, i))) {
warnx("CA keys are not valid for signatures");
goto cleanup;
}
if (is_pkg) {
if (sk_X509_value(signers, i)->ex_xkusage != pkg_key_usage) {
warnx("Certificate must have CODE SIGNING "
"and EMAIL PROTECTION property");
goto cleanup;
}
} else {
if (sk_X509_value(signers, i)->ex_xkusage != 0) {
warnx("Certificate must not have any property");
goto cleanup;
}
}
}
printf("Sigature ok, signed by:\n");
for (i = 0; i < sk_X509_num(signers); i++) {
name = X509_get_subject_name(sk_X509_value(signers, i));
subject = X509_NAME_oneline(name, NULL, 0);
printf("\t%s\n", subject);
OPENSSL_free(subject);
}
status = 0;
cleanup:
sk_X509_free(cert_chain);
sk_X509_free(signers);
X509_STORE_free(store);
PKCS7_free(p7);
BIO_free(in);
BIO_free(sig);
return status;
}
int
pkcs12_main(int argc, char **argv)
{
ENGINE *e = NULL;
char *infile = NULL, *outfile = NULL, *keyname = NULL;
char *certfile = NULL;
BIO *in = NULL, *out = NULL;
char **args;
char *name = NULL;
char *csp_name = NULL;
int add_lmk = 0;
PKCS12 *p12 = NULL;
char pass[50], macpass[50];
int export_cert = 0;
int options = 0;
int chain = 0;
int badarg = 0;
int iter = PKCS12_DEFAULT_ITER;
int maciter = PKCS12_DEFAULT_ITER;
int twopass = 0;
int keytype = 0;
int cert_pbe;
int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
int ret = 1;
int macver = 1;
int noprompt = 0;
STACK_OF(OPENSSL_STRING) * canames = NULL;
char *cpass = NULL, *mpass = NULL;
char *passargin = NULL, *passargout = NULL, *passarg = NULL;
char *passin = NULL, *passout = NULL;
char *inrand = NULL;
char *macalg = NULL;
char *CApath = NULL, *CAfile = NULL;
#ifndef OPENSSL_NO_ENGINE
char *engine = NULL;
#endif
signal(SIGPIPE, SIG_IGN);
cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
enc = EVP_des_ede3_cbc();
if (bio_err == NULL)
bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
if (!load_config(bio_err, NULL))
goto end;
args = argv + 1;
while (*args) {
if (*args[0] == '-') {
if (!strcmp(*args, "-nokeys"))
options |= NOKEYS;
else if (!strcmp(*args, "-keyex"))
keytype = KEY_EX;
else if (!strcmp(*args, "-keysig"))
keytype = KEY_SIG;
else if (!strcmp(*args, "-nocerts"))
options |= NOCERTS;
else if (!strcmp(*args, "-clcerts"))
options |= CLCERTS;
else if (!strcmp(*args, "-cacerts"))
options |= CACERTS;
else if (!strcmp(*args, "-noout"))
options |= (NOKEYS | NOCERTS);
else if (!strcmp(*args, "-info"))
options |= INFO;
else if (!strcmp(*args, "-chain"))
chain = 1;
else if (!strcmp(*args, "-twopass"))
twopass = 1;
else if (!strcmp(*args, "-nomacver"))
macver = 0;
else if (!strcmp(*args, "-descert"))
cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
else if (!strcmp(*args, "-export"))
export_cert = 1;
else if (!strcmp(*args, "-des"))
enc = EVP_des_cbc();
else if (!strcmp(*args, "-des3"))
enc = EVP_des_ede3_cbc();
#ifndef OPENSSL_NO_IDEA
else if (!strcmp(*args, "-idea"))
enc = EVP_idea_cbc();
#endif
#ifndef OPENSSL_NO_SEED
else if (!strcmp(*args, "-seed"))
enc = EVP_seed_cbc();
#endif
#ifndef OPENSSL_NO_AES
else if (!strcmp(*args, "-aes128"))
enc = EVP_aes_128_cbc();
else if (!strcmp(*args, "-aes192"))
enc = EVP_aes_192_cbc();
else if (!strcmp(*args, "-aes256"))
enc = EVP_aes_256_cbc();
#endif
#ifndef OPENSSL_NO_CAMELLIA
else if (!strcmp(*args, "-camellia128"))
enc = EVP_camellia_128_cbc();
else if (!strcmp(*args, "-camellia192"))
enc = EVP_camellia_192_cbc();
else if (!strcmp(*args, "-camellia256"))
enc = EVP_camellia_256_cbc();
#endif
else if (!strcmp(*args, "-noiter"))
iter = 1;
else if (!strcmp(*args, "-maciter"))
maciter = PKCS12_DEFAULT_ITER;
else if (!strcmp(*args, "-nomaciter"))
maciter = 1;
else if (!strcmp(*args, "-nomac"))
maciter = -1;
else if (!strcmp(*args, "-macalg"))
if (args[1]) {
args++;
macalg = *args;
} else
badarg = 1;
else if (!strcmp(*args, "-nodes"))
enc = NULL;
else if (!strcmp(*args, "-certpbe")) {
if (!set_pbe(bio_err, &cert_pbe, *++args))
badarg = 1;
} else if (!strcmp(*args, "-keypbe")) {
if (!set_pbe(bio_err, &key_pbe, *++args))
badarg = 1;
} else if (!strcmp(*args, "-rand")) {
if (args[1]) {
args++;
inrand = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-inkey")) {
if (args[1]) {
args++;
keyname = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-certfile")) {
if (args[1]) {
args++;
certfile = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-name")) {
if (args[1]) {
args++;
name = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-LMK"))
add_lmk = 1;
else if (!strcmp(*args, "-CSP")) {
if (args[1]) {
args++;
csp_name = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-caname")) {
if (args[1]) {
args++;
if (!canames)
canames = sk_OPENSSL_STRING_new_null();
sk_OPENSSL_STRING_push(canames, *args);
} else
badarg = 1;
} else if (!strcmp(*args, "-in")) {
if (args[1]) {
args++;
infile = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-out")) {
if (args[1]) {
args++;
outfile = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-passin")) {
if (args[1]) {
args++;
passargin = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-passout")) {
if (args[1]) {
args++;
passargout = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-password")) {
if (args[1]) {
args++;
passarg = *args;
noprompt = 1;
} else
badarg = 1;
} else if (!strcmp(*args, "-CApath")) {
if (args[1]) {
args++;
CApath = *args;
} else
badarg = 1;
} else if (!strcmp(*args, "-CAfile")) {
if (args[1]) {
args++;
CAfile = *args;
} else
badarg = 1;
#ifndef OPENSSL_NO_ENGINE
} else if (!strcmp(*args, "-engine")) {
if (args[1]) {
args++;
engine = *args;
} else
badarg = 1;
#endif
} else
badarg = 1;
} else
badarg = 1;
args++;
}
if (badarg) {
BIO_printf(bio_err, "Usage: pkcs12 [options]\n");
BIO_printf(bio_err, "where options are\n");
BIO_printf(bio_err, "-export output PKCS12 file\n");
BIO_printf(bio_err, "-chain add certificate chain\n");
BIO_printf(bio_err, "-inkey file private key if not infile\n");
BIO_printf(bio_err, "-certfile f add all certs in f\n");
BIO_printf(bio_err, "-CApath arg - PEM format directory of CA's\n");
BIO_printf(bio_err, "-CAfile arg - PEM format file of CA's\n");
BIO_printf(bio_err, "-name \"name\" use name as friendly name\n");
BIO_printf(bio_err, "-caname \"nm\" use nm as CA friendly name (can be used more than once).\n");
BIO_printf(bio_err, "-in infile input filename\n");
BIO_printf(bio_err, "-out outfile output filename\n");
BIO_printf(bio_err, "-noout don't output anything, just verify.\n");
BIO_printf(bio_err, "-nomacver don't verify MAC.\n");
BIO_printf(bio_err, "-nocerts don't output certificates.\n");
BIO_printf(bio_err, "-clcerts only output client certificates.\n");
BIO_printf(bio_err, "-cacerts only output CA certificates.\n");
BIO_printf(bio_err, "-nokeys don't output private keys.\n");
BIO_printf(bio_err, "-info give info about PKCS#12 structure.\n");
BIO_printf(bio_err, "-des encrypt private keys with DES\n");
BIO_printf(bio_err, "-des3 encrypt private keys with triple DES (default)\n");
#ifndef OPENSSL_NO_IDEA
BIO_printf(bio_err, "-idea encrypt private keys with idea\n");
#endif
#ifndef OPENSSL_NO_SEED
BIO_printf(bio_err, "-seed encrypt private keys with seed\n");
#endif
#ifndef OPENSSL_NO_AES
BIO_printf(bio_err, "-aes128, -aes192, -aes256\n");
BIO_printf(bio_err, " encrypt PEM output with cbc aes\n");
#endif
#ifndef OPENSSL_NO_CAMELLIA
BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n");
BIO_printf(bio_err, " encrypt PEM output with cbc camellia\n");
#endif
BIO_printf(bio_err, "-nodes don't encrypt private keys\n");
BIO_printf(bio_err, "-noiter don't use encryption iteration\n");
BIO_printf(bio_err, "-nomaciter don't use MAC iteration\n");
BIO_printf(bio_err, "-maciter use MAC iteration\n");
BIO_printf(bio_err, "-nomac don't generate MAC\n");
BIO_printf(bio_err, "-twopass separate MAC, encryption passwords\n");
BIO_printf(bio_err, "-descert encrypt PKCS#12 certificates with triple DES (default RC2-40)\n");
BIO_printf(bio_err, "-certpbe alg specify certificate PBE algorithm (default RC2-40)\n");
BIO_printf(bio_err, "-keypbe alg specify private key PBE algorithm (default 3DES)\n");
BIO_printf(bio_err, "-macalg alg digest algorithm used in MAC (default SHA1)\n");
BIO_printf(bio_err, "-keyex set MS key exchange type\n");
BIO_printf(bio_err, "-keysig set MS key signature type\n");
BIO_printf(bio_err, "-password p set import/export password source\n");
BIO_printf(bio_err, "-passin p input file pass phrase source\n");
BIO_printf(bio_err, "-passout p output file pass phrase source\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
#endif
BIO_printf(bio_err, "-rand file:file:...\n");
BIO_printf(bio_err, " load the file (or the files in the directory) into\n");
BIO_printf(bio_err, " the random number generator\n");
BIO_printf(bio_err, "-CSP name Microsoft CSP name\n");
BIO_printf(bio_err, "-LMK Add local machine keyset attribute to private key\n");
goto end;
}
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
#endif
if (passarg) {
if (export_cert)
passargout = passarg;
else
passargin = passarg;
}
if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
if (!cpass) {
if (export_cert)
cpass = passout;
else
cpass = passin;
}
if (cpass) {
mpass = cpass;
noprompt = 1;
} else {
cpass = pass;
mpass = macpass;
}
ERR_load_crypto_strings();
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("read files");
#endif
if (!infile)
in = BIO_new_fp(stdin, BIO_NOCLOSE);
else
in = BIO_new_file(infile, "rb");
if (!in) {
BIO_printf(bio_err, "Error opening input file %s\n",
infile ? infile : "<stdin>");
perror(infile);
goto end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("write files");
#endif
if (!outfile) {
out = BIO_new_fp(stdout, BIO_NOCLOSE);
} else
out = BIO_new_file(outfile, "wb");
if (!out) {
BIO_printf(bio_err, "Error opening output file %s\n",
outfile ? outfile : "<stdout>");
perror(outfile);
goto end;
}
if (twopass) {
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("read MAC password");
#endif
if (EVP_read_pw_string(macpass, sizeof macpass, "Enter MAC Password:"******"Can't read Password\n");
goto end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
}
if (export_cert) {
EVP_PKEY *key = NULL;
X509 *ucert = NULL, *x = NULL;
STACK_OF(X509) * certs = NULL;
const EVP_MD *macmd = NULL;
unsigned char *catmp = NULL;
int i;
if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
BIO_printf(bio_err, "Nothing to do!\n");
goto export_end;
}
if (options & NOCERTS)
chain = 0;
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("process -export_cert");
CRYPTO_push_info("reading private key");
#endif
if (!(options & NOKEYS)) {
key = load_key(bio_err, keyname ? keyname : infile,
FORMAT_PEM, 1, passin, e, "private key");
if (!key)
goto export_end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("reading certs from input");
#endif
/* Load in all certs in input file */
if (!(options & NOCERTS)) {
certs = load_certs(bio_err, infile, FORMAT_PEM, NULL, e,
"certificates");
if (!certs)
goto export_end;
if (key) {
/* Look for matching private key */
for (i = 0; i < sk_X509_num(certs); i++) {
x = sk_X509_value(certs, i);
if (X509_check_private_key(x, key)) {
ucert = x;
/* Zero keyid and alias */
X509_keyid_set1(ucert, NULL, 0);
X509_alias_set1(ucert, NULL, 0);
/* Remove from list */
(void) sk_X509_delete(certs, i);
break;
}
}
if (!ucert) {
BIO_printf(bio_err, "No certificate matches private key\n");
goto export_end;
}
}
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("reading certs from input 2");
#endif
/* Add any more certificates asked for */
if (certfile) {
STACK_OF(X509) * morecerts = NULL;
if (!(morecerts = load_certs(bio_err, certfile, FORMAT_PEM,
NULL, e,
"certificates from certfile")))
goto export_end;
while (sk_X509_num(morecerts) > 0)
sk_X509_push(certs, sk_X509_shift(morecerts));
sk_X509_free(morecerts);
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("reading certs from certfile");
#endif
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("building chain");
#endif
/* If chaining get chain from user cert */
if (chain) {
int vret;
STACK_OF(X509) * chain2;
X509_STORE *store = X509_STORE_new();
if (!store) {
BIO_printf(bio_err, "Memory allocation error\n");
goto export_end;
}
if (!X509_STORE_load_locations(store, CAfile, CApath))
X509_STORE_set_default_paths(store);
vret = get_cert_chain(ucert, store, &chain2);
X509_STORE_free(store);
if (!vret) {
/* Exclude verified certificate */
for (i = 1; i < sk_X509_num(chain2); i++)
sk_X509_push(certs, sk_X509_value(chain2, i));
/* Free first certificate */
X509_free(sk_X509_value(chain2, 0));
sk_X509_free(chain2);
} else {
if (vret >= 0)
BIO_printf(bio_err, "Error %s getting chain.\n",
X509_verify_cert_error_string(vret));
else
ERR_print_errors(bio_err);
goto export_end;
}
}
/* Add any CA names */
for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
catmp = (unsigned char *) sk_OPENSSL_STRING_value(canames, i);
X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
}
if (csp_name && key)
EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
MBSTRING_ASC, (unsigned char *) csp_name, -1);
if (add_lmk && key)
EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("reading password");
#endif
if (!noprompt &&
EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:"******"Can't read Password\n");
goto export_end;
}
if (!twopass)
strlcpy(macpass, pass, sizeof macpass);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("creating PKCS#12 structure");
#endif
p12 = PKCS12_create(cpass, name, key, ucert, certs,
key_pbe, cert_pbe, iter, -1, keytype);
if (!p12) {
ERR_print_errors(bio_err);
goto export_end;
}
if (macalg) {
macmd = EVP_get_digestbyname(macalg);
if (!macmd) {
BIO_printf(bio_err, "Unknown digest algorithm %s\n",
macalg);
}
}
if (maciter != -1)
PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("writing pkcs12");
#endif
i2d_PKCS12_bio(out, p12);
ret = 0;
export_end:
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_pop_info();
CRYPTO_push_info("process -export_cert: freeing");
#endif
if (key)
EVP_PKEY_free(key);
if (certs)
sk_X509_pop_free(certs, X509_free);
if (ucert)
X509_free(ucert);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
goto end;
}
if (!(p12 = d2i_PKCS12_bio(in, NULL))) {
ERR_print_errors(bio_err);
goto end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("read import password");
#endif
if (!noprompt && EVP_read_pw_string(pass, sizeof pass, "Enter Import Password:"******"Can't read Password\n");
goto end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
if (!twopass)
strlcpy(macpass, pass, sizeof macpass);
if ((options & INFO) && p12->mac)
BIO_printf(bio_err, "MAC Iteration %ld\n", p12->mac->iter ? ASN1_INTEGER_get(p12->mac->iter) : 1);
if (macver) {
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("verify MAC");
#endif
/* If we enter empty password try no password first */
if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
/* If mac and crypto pass the same set it to NULL too */
if (!twopass)
cpass = NULL;
} else if (!PKCS12_verify_mac(p12, mpass, -1)) {
BIO_printf(bio_err, "Mac verify error: invalid password?\n");
ERR_print_errors(bio_err);
goto end;
}
BIO_printf(bio_err, "MAC verified OK\n");
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
}
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("output keys and certificates");
#endif
if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout)) {
BIO_printf(bio_err, "Error outputting keys and certificates\n");
ERR_print_errors(bio_err);
goto end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
ret = 0;
end:
if (p12)
PKCS12_free(p12);
#ifdef CRYPTO_MDEBUG
CRYPTO_remove_all_info();
#endif
BIO_free(in);
BIO_free_all(out);
if (canames)
sk_OPENSSL_STRING_free(canames);
if (passin)
free(passin);
if (passout)
free(passout);
return (ret);
}
/*
Set certification stuff.
*/
static int my_ssl_set_certs(SSL *ssl)
{
int have_cert= 0;
MYSQL *mysql;
DBUG_ENTER("my_ssl_set_certs");
/* Make sure that ssl was allocated and
ssl_system was initialized */
DBUG_ASSERT(ssl != NULL);
DBUG_ASSERT(my_ssl_initialized == TRUE);
/* get connection for current ssl */
mysql= (MYSQL *)SSL_get_app_data(ssl);
/* add cipher */
if ((mysql->options.ssl_cipher &&
mysql->options.ssl_cipher[0] != 0) &&
SSL_set_cipher_list(ssl, mysql->options.ssl_cipher) == 0)
goto error;
/* set cert */
if (mysql->options.ssl_cert && mysql->options.ssl_cert[0] != 0)
{
if (SSL_CTX_use_certificate_chain_file(SSL_context, mysql->options.ssl_cert) <= 0)
goto error;
have_cert= 1;
}
/* set key */
if (mysql->options.ssl_key && mysql->options.ssl_key[0])
{
if (SSL_CTX_use_PrivateKey_file(SSL_context, mysql->options.ssl_key, SSL_FILETYPE_PEM) <= 0)
goto error;
/* verify key */
if (have_cert && SSL_CTX_check_private_key(SSL_context) != 1)
goto error;
}
/* ca_file and ca_path */
if (SSL_CTX_load_verify_locations(SSL_context,
mysql->options.ssl_ca,
mysql->options.ssl_capath) == 0)
{
if (mysql->options.ssl_ca || mysql->options.ssl_capath)
goto error;
if (SSL_CTX_set_default_verify_paths(SSL_context) == 0)
goto error;
}
if (mysql->options.extension &&
(mysql->options.extension->ssl_crl || mysql->options.extension->ssl_crlpath))
{
X509_STORE *certstore;
if ((certstore= SSL_CTX_get_cert_store(SSL_context)))
{
if (X509_STORE_load_locations(certstore, mysql->options.ssl_ca,
mysql->options.ssl_capath) == 0 ||
X509_STORE_set_flags(certstore, X509_V_FLAG_CRL_CHECK |
X509_V_FLAG_CRL_CHECK_ALL) == 0)
goto error;
}
}
DBUG_RETURN(0);
error:
my_SSL_error(mysql);
DBUG_RETURN(1);
}
inline void store::load_locations(const char* file, const char* dir)
{
throw_error_if_not(X509_STORE_load_locations(raw(), const_cast<char*>(file), const_cast<char*>(dir)) != 0);
}
int
be_tls_init(bool isServerStart)
{
STACK_OF(X509_NAME) *root_cert_list = NULL;
SSL_CTX *context;
/* This stuff need be done only once. */
if (!SSL_initialized)
{
#ifdef HAVE_OPENSSL_INIT_SSL
OPENSSL_init_ssl(OPENSSL_INIT_LOAD_CONFIG, NULL);
#else
OPENSSL_config(NULL);
SSL_library_init();
SSL_load_error_strings();
#endif
SSL_initialized = true;
}
/*
* We use SSLv23_method() because it can negotiate use of the highest
* mutually supported protocol version, while alternatives like
* TLSv1_2_method() permit only one specific version. Note that we don't
* actually allow SSL v2 or v3, only TLS protocols (see below).
*/
context = SSL_CTX_new(SSLv23_method());
if (!context)
{
ereport(isServerStart ? FATAL : LOG,
(errmsg("could not create SSL context: %s",
SSLerrmessage(ERR_get_error()))));
goto error;
}
/*
* Disable OpenSSL's moving-write-buffer sanity check, because it causes
* unnecessary failures in nonblocking send cases.
*/
SSL_CTX_set_mode(context, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
/*
* Set password callback
*/
if (isServerStart)
{
if (ssl_passphrase_command[0])
SSL_CTX_set_default_passwd_cb(context, ssl_external_passwd_cb);
}
else
{
if (ssl_passphrase_command[0] && ssl_passphrase_command_supports_reload)
SSL_CTX_set_default_passwd_cb(context, ssl_external_passwd_cb);
else
/*
* If reloading and no external command is configured, override
* OpenSSL's default handling of passphrase-protected files,
* because we don't want to prompt for a passphrase in an
* already-running server.
*/
SSL_CTX_set_default_passwd_cb(context, dummy_ssl_passwd_cb);
}
/* used by the callback */
ssl_is_server_start = isServerStart;
/*
* Load and verify server's certificate and private key
*/
if (SSL_CTX_use_certificate_chain_file(context, ssl_cert_file) != 1)
{
ereport(isServerStart ? FATAL : LOG,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("could not load server certificate file \"%s\": %s",
ssl_cert_file, SSLerrmessage(ERR_get_error()))));
goto error;
}
if (!check_ssl_key_file_permissions(ssl_key_file, isServerStart))
goto error;
/*
* OK, try to load the private key file.
*/
dummy_ssl_passwd_cb_called = false;
if (SSL_CTX_use_PrivateKey_file(context,
ssl_key_file,
SSL_FILETYPE_PEM) != 1)
{
if (dummy_ssl_passwd_cb_called)
ereport(isServerStart ? FATAL : LOG,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("private key file \"%s\" cannot be reloaded because it requires a passphrase",
ssl_key_file)));
else
ereport(isServerStart ? FATAL : LOG,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("could not load private key file \"%s\": %s",
ssl_key_file, SSLerrmessage(ERR_get_error()))));
goto error;
}
if (SSL_CTX_check_private_key(context) != 1)
{
ereport(isServerStart ? FATAL : LOG,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("check of private key failed: %s",
SSLerrmessage(ERR_get_error()))));
goto error;
}
if (ssl_min_protocol_version)
SSL_CTX_set_min_proto_version(context,
ssl_protocol_version_to_openssl(ssl_min_protocol_version,
"ssl_min_protocol_version"));
if (ssl_max_protocol_version)
SSL_CTX_set_max_proto_version(context,
ssl_protocol_version_to_openssl(ssl_max_protocol_version,
"ssl_max_protocol_version"));
/* disallow SSL session tickets */
#ifdef SSL_OP_NO_TICKET /* added in OpenSSL 0.9.8f */
SSL_CTX_set_options(context, SSL_OP_NO_TICKET);
#endif
/* disallow SSL session caching, too */
SSL_CTX_set_session_cache_mode(context, SSL_SESS_CACHE_OFF);
/* set up ephemeral DH and ECDH keys */
if (!initialize_dh(context, isServerStart))
goto error;
if (!initialize_ecdh(context, isServerStart))
goto error;
/* set up the allowed cipher list */
if (SSL_CTX_set_cipher_list(context, SSLCipherSuites) != 1)
{
ereport(isServerStart ? FATAL : LOG,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("could not set the cipher list (no valid ciphers available)")));
goto error;
}
/* Let server choose order */
if (SSLPreferServerCiphers)
SSL_CTX_set_options(context, SSL_OP_CIPHER_SERVER_PREFERENCE);
/*
* Load CA store, so we can verify client certificates if needed.
*/
if (ssl_ca_file[0])
{
if (SSL_CTX_load_verify_locations(context, ssl_ca_file, NULL) != 1 ||
(root_cert_list = SSL_load_client_CA_file(ssl_ca_file)) == NULL)
{
ereport(isServerStart ? FATAL : LOG,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("could not load root certificate file \"%s\": %s",
ssl_ca_file, SSLerrmessage(ERR_get_error()))));
goto error;
}
}
/*----------
* Load the Certificate Revocation List (CRL).
* http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci803160,00.html
*----------
*/
if (ssl_crl_file[0])
{
X509_STORE *cvstore = SSL_CTX_get_cert_store(context);
if (cvstore)
{
/* Set the flags to check against the complete CRL chain */
if (X509_STORE_load_locations(cvstore, ssl_crl_file, NULL) == 1)
{
/* OpenSSL 0.96 does not support X509_V_FLAG_CRL_CHECK */
#ifdef X509_V_FLAG_CRL_CHECK
X509_STORE_set_flags(cvstore,
X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
#else
ereport(LOG,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("SSL certificate revocation list file \"%s\" ignored",
ssl_crl_file),
errdetail("SSL library does not support certificate revocation lists.")));
#endif
}
else
{
ereport(isServerStart ? FATAL : LOG,
(errcode(ERRCODE_CONFIG_FILE_ERROR),
errmsg("could not load SSL certificate revocation list file \"%s\": %s",
ssl_crl_file, SSLerrmessage(ERR_get_error()))));
goto error;
}
}
}
if (ssl_ca_file[0])
{
/*
* Always ask for SSL client cert, but don't fail if it's not
* presented. We might fail such connections later, depending on what
* we find in pg_hba.conf.
*/
SSL_CTX_set_verify(context,
(SSL_VERIFY_PEER |
SSL_VERIFY_CLIENT_ONCE),
verify_cb);
/*
* Tell OpenSSL to send the list of root certs we trust to clients in
* CertificateRequests. This lets a client with a keystore select the
* appropriate client certificate to send to us.
*/
SSL_CTX_set_client_CA_list(context, root_cert_list);
}
/*
* Success! Replace any existing SSL_context.
*/
if (SSL_context)
SSL_CTX_free(SSL_context);
SSL_context = context;
/*
* Set flag to remember whether CA store has been loaded into SSL_context.
*/
if (ssl_ca_file[0])
ssl_loaded_verify_locations = true;
else
ssl_loaded_verify_locations = false;
return 0;
error:
if (context)
SSL_CTX_free(context);
return -1;
}
/*
Open the SSL module
*/
PUBLIC int sslOpen()
{
RandBuf randBuf;
X509_STORE *store;
uchar resume[16];
char *ciphers;
trace(7, "Initializing SSL");
randBuf.now = time(0);
randBuf.pid = getpid();
RAND_seed((void*) &randBuf, sizeof(randBuf));
#if ME_UNIX_LIKE
trace(6, "OpenSsl: Before calling RAND_load_file");
RAND_load_file("/dev/urandom", 256);
trace(6, "OpenSsl: After calling RAND_load_file");
#endif
CRYPTO_malloc_init();
#if !ME_WIN_LIKE
OpenSSL_add_all_algorithms();
#endif
SSL_library_init();
SSL_load_error_strings();
SSLeay_add_ssl_algorithms();
if ((sslctx = SSL_CTX_new(SSLv23_server_method())) == 0) {
error("Unable to create SSL context");
return -1;
}
/*
Set the server certificate and key files
*/
if (*ME_GOAHEAD_SSL_KEY && sslSetKeyFile(ME_GOAHEAD_SSL_KEY) < 0) {
sslClose();
return -1;
}
if (*ME_GOAHEAD_SSL_CERTIFICATE && sslSetCertFile(ME_GOAHEAD_SSL_CERTIFICATE) < 0) {
sslClose();
return -1;
}
if (ME_GOAHEAD_SSL_VERIFY_PEER) {
SSL_CTX_set_verify(sslctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, verifyClientCertificate);
SSL_CTX_set_verify_depth(sslctx, VERIFY_DEPTH);
} else {
SSL_CTX_set_verify(sslctx, SSL_VERIFY_NONE, verifyClientCertificate);
}
/*
Set the client certificate verification locations
*/
if (ME_GOAHEAD_SSL_AUTHORITY && *ME_GOAHEAD_SSL_AUTHORITY) {
if ((!SSL_CTX_load_verify_locations(sslctx, ME_GOAHEAD_SSL_AUTHORITY, NULL)) ||
(!SSL_CTX_set_default_verify_paths(sslctx))) {
error("Unable to read cert verification locations");
sslClose();
return -1;
}
/*
Define the list of CA certificates to send to the client before they send their client
certificate for validation
*/
SSL_CTX_set_client_CA_list(sslctx, SSL_load_client_CA_file(ME_GOAHEAD_SSL_AUTHORITY));
}
if (ME_GOAHEAD_SSL_REVOKE && *ME_GOAHEAD_SSL_REVOKE) {
store = SSL_CTX_get_cert_store(sslctx);
if (!X509_STORE_load_locations(store, ME_GOAHEAD_SSL_REVOKE, 0)) {
error("Cannot load certificate revoke list: %s", ME_GOAHEAD_SSL_REVOKE);
sslClose();
return -1;
}
}
/*
Configure DH parameters
*/
dhKey = getDhKey();
SSL_CTX_set_tmp_dh_callback(sslctx, dhcallback);
/*
Configure cipher suite
*/
if (ME_GOAHEAD_SSL_CIPHERS && *ME_GOAHEAD_SSL_CIPHERS) {
ciphers = ME_GOAHEAD_SSL_CIPHERS;
} else {
ciphers = OPENSSL_DEFAULT_CIPHERS;
}
ciphers = mapCipherNames(ciphers);
trace(5, "Using OpenSSL ciphers: %s", ciphers);
if (SSL_CTX_set_cipher_list(sslctx, ciphers) != 1) {
error("Unable to set cipher list \"%s\"", ciphers);
sslClose();
wfree(ciphers);
return -1;
}
wfree(ciphers);
/*
Define default OpenSSL options
*/
SSL_CTX_set_options(sslctx, SSL_OP_ALL);
/*
Ensure we generate a new private key for each connection
*/
SSL_CTX_set_options(sslctx, SSL_OP_SINGLE_DH_USE);
/*
Define a session reuse context
*/
RAND_bytes(resume, sizeof(resume));
SSL_CTX_set_session_id_context(sslctx, resume, sizeof(resume));
/*
Elliptic Curve initialization
*/
#if SSL_OP_SINGLE_ECDH_USE
#ifdef SSL_CTX_set_ecdh_auto
SSL_CTX_set_ecdh_auto(sslctx, 1);
#else
{
EC_KEY *ecdh;
cchar *name;
int nid;
name = ME_GOAHEAD_SSL_CURVE;
if ((nid = OBJ_sn2nid(name)) == 0) {
error("Unknown curve name \"%s\"", name);
sslClose();
return -1;
}
if ((ecdh = EC_KEY_new_by_curve_name(nid)) == 0) {
error("Unable to create curve \"%s\"", name);
sslClose();
return -1;
}
SSL_CTX_set_options(sslctx, SSL_OP_SINGLE_ECDH_USE);
SSL_CTX_set_tmp_ecdh(sslctx, ecdh);
EC_KEY_free(ecdh);
}
#endif
#endif
SSL_CTX_set_mode(sslctx, SSL_MODE_ENABLE_PARTIAL_WRITE | SSL_MODE_AUTO_RETRY | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
#ifdef SSL_OP_MSIE_SSLV2_RSA_PADDING
SSL_CTX_set_options(sslctx, SSL_OP_MSIE_SSLV2_RSA_PADDING);
#endif
#ifdef SSL_MODE_RELEASE_BUFFERS
SSL_CTX_set_mode(sslctx, SSL_MODE_RELEASE_BUFFERS);
#endif
#ifdef SSL_OP_CIPHER_SERVER_PREFERENCE
SSL_CTX_set_mode(sslctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
#endif
/*
Select the required protocols
Disable both SSLv2 and SSLv3 by default - they are insecure
*/
SSL_CTX_set_options(sslctx, SSL_OP_NO_SSLv2);
SSL_CTX_set_options(sslctx, SSL_OP_NO_SSLv3);
#if defined(SSL_OP_NO_TLSv1) && ME_GOAHEAD_SSL_NO_V1
SSL_CTX_set_options(sslctx, SSL_OP_NO_TLSv1);
#endif
#if defined(SSL_OP_NO_TLSv1_1) && ME_GOAHEAD_SSL_NO_V1_1
SSL_CTX_set_options(sslctx, SSL_OP_NO_TLSv1_1);
#endif
#if defined(SSL_OP_NO_TLSv1_2) && ME_GOAHEAD_SSL_NO_V1_2
SSL_CTX_set_options(sslctx, SSL_OP_NO_TLSv1_2);
#endif
#if defined(SSL_OP_NO_TICKET)
/*
Ticket based session reuse is enabled by default
*/
#if defined(ME_GOAHEAD_SSL_TICKET)
if (ME_GOAHEAD_SSL_TICKET) {
SSL_CTX_clear_options(sslctx, SSL_OP_NO_TICKET);
} else {
SSL_CTX_set_options(sslctx, SSL_OP_NO_TICKET);
}
#else
SSL_CTX_clear_options(sslctx, SSL_OP_NO_TICKET);
#endif
#endif
#if defined(SSL_OP_NO_COMPRESSION)
/*
CRIME attack targets compression
*/
SSL_CTX_clear_options(sslctx, SSL_OP_NO_COMPRESSION);
#endif
#if defined(SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)
/*
Disables a countermeasure against a SSL 3.0/TLS 1.0 protocol vulnerability affecting CBC ciphers.
Defaults to true.
*/
#if defined(ME_GOAHEAD_SSL_EMPTY_FRAGMENTS)
if (ME_GOAHEAD_SSL_EMPTY_FRAGMENTS) {
/* SSL_OP_ALL disables empty fragments. Only needed for ancient browsers like IE-6 on SSL-3.0/TLS-1.0 */
SSL_CTX_clear_options(sslctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
} else {
SSL_CTX_set_options(sslctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
}
#else
SSL_CTX_set_options(sslctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
#endif
#endif
#if defined(ME_GOAHEAD_SSL_CACHE)
/*
Set the number of sessions supported. Default in OpenSSL is 20K.
*/
SSL_CTX_sess_set_cache_size(sslctx, ME_GOAHEAD_SSL_CACHE);
#else
SSL_CTX_sess_set_cache_size(sslctx, 256);
#endif
return 0;
}
int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *ca_file,
const char *ca_dir) {
check_ssl_ctx_x509_method(ctx);
return X509_STORE_load_locations(ctx->cert_store, ca_file, ca_dir);
}
static int mod_init(void)
{
CURLcode iRet;
str sstr;
FILE *hpemfile;
char serr[160];
X509 *pmycert=NULL; /* certificate of the authentication service */
time_t tnow, ttmp;
/*
*
* Parameter check
*
*/
if (glb_sprivkeypath[0]==0) {
LOG(L_WARN, "AUTH_IDENTITY:mod_init: Private key path is missing! Authorization service is disabled\n");
glb_authservice_disabled=1;
}
if (!glb_authservice_disabled && glb_sservercerturl[0]==0) {
LOG(L_WARN, "AUTH_IDENTITY:mod_init: URL of certificate of the server is missing! Authorization service is disabled\n");
glb_authservice_disabled=1;
}
if (!glb_authservice_disabled && glb_sservercertpath[0]==0) {
LOG(L_WARN, "AUTH_IDENTITY:mod_init: Path of certificate of the server is missing! Authorization service is disabled\n");
glb_authservice_disabled=1;
}
/*
*
* Init the curl session and download buffer
*
*/
curl_global_init(CURL_GLOBAL_ALL);
if ((glb_hcurl=curl_easy_init())==NULL) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: Unable to init cURL library!\n");
return -1;
}
/* send all data to this function */
if ((iRet=curl_easy_setopt(glb_hcurl, CURLOPT_WRITEFUNCTION, curlmem_cb))!=0) {
LOG(L_ERR,
"AUTH_IDENTITY:mod_init: Unable to set cURL write function option: %s\n",
curl_easy_strerror(iRet));
return -2;
}
/* we pass our 'glb_tcert' struct to the callback function */
if ((iRet=curl_easy_setopt(glb_hcurl, CURLOPT_WRITEDATA, (void *)&glb_tcert.scertpem))!=0) {
LOG(L_ERR,
"AUTH_IDENTITY:mod_init: Unable to set cURL writedata option: %s\n",
curl_easy_strerror(iRet));
return -4;
}
if (!(glb_tcert.scertpem.s=pkg_malloc(CERTIFICATE_LENGTH))) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: Not enough memory error\n");
return -3;
}
/* some servers don't like requests that are made without a user-agent
field, so we provide one */
if ((iRet=curl_easy_setopt(glb_hcurl, CURLOPT_USERAGENT, "ser-agent/1.0"))!=0) {
LOG(L_WARN,
"AUTH_IDENTITY:mod_init: Unable to set cURL useragent option: %s\n",
curl_easy_strerror(iRet));
}
if ((iRet=curl_easy_setopt(glb_hcurl, CURLOPT_SSL_VERIFYPEER, 1))!=0) {
LOG(L_WARN,
"AUTH_IDENTITY:mod_init: Unable to set cURL verifypeer option: %s\n",
curl_easy_strerror(iRet));
}
if ((iRet=curl_easy_setopt(glb_hcurl, CURLOPT_SSL_VERIFYHOST, 2))!=0) {
LOG(L_WARN,
"AUTH_IDENTITY:mod_init: Unable to set cURL verifyhost option: %s\n",
curl_easy_strerror(iRet));
}
/* cainfo_path module parameter's been set */
if (glb_scainfo[0]) {
if ((iRet=curl_easy_setopt(glb_hcurl, CURLOPT_CAINFO, glb_scainfo))!=0) {
LOG(L_WARN,
"AUTH_IDENTITY:mod_init: Unable to set cURL cainfo option: %s\n",
curl_easy_strerror(iRet));
}
}
/*
*
* OpenSSL certificate verification initialization
*
*/
OpenSSL_add_all_algorithms();
if (!(glb_cacerts=X509_STORE_new())) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: unable to initialize X509 store\n");
return -16;
}
if (X509_STORE_set_default_paths(glb_cacerts)!=1) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: unable to set X509 store default path\n");
return -17;
}
if (glb_scainfo[0]
&& X509_STORE_load_locations(glb_cacerts, glb_scainfo, NULL) != 1)
LOG(L_WARN, "AUTH_IDENTITY:mod_init: unable to load X509 store location\n");
/*
*
* Init the Date, Digest-String, Identity and Identity-Info
*
*/
if (initdynstr(&glb_sdgst, DGST_STR_INIT_SIZE))
return -5;
/*
* Init certificate table
*/
if (init_table(&glb_tcert_table,
CERTIFICATE_TABLE_ENTRIES,
glb_icertlimit,
cert_item_cmp,
cert_item_init,
cert_item_least,
cert_item_free,
NULL))
return -5;
/*
* Init call-id table
*/
if (init_table(&glb_tcallid_table,
CALLID_TABLE_ITEM_LIMIT,
glb_icallidlimit,
cid_item_cmp,
cid_item_init,
cid_item_least,
cid_item_free,
cid_item_gc))
return -5;
glb_ttimeparams.ibnow=0;
/* we've to check the whole table in glb_imsgtime, so the number of
buckets we've to check in every timer call is
CALLID_TABLE_ENTRIES/glb_imsgtime/CALLID_GARBAGE_COLLECTOR_INTERVAL */
glb_ttimeparams.ibcir=glb_iauthval/CALLID_GARBAGE_COLLECTOR_INTERVAL;
if (!glb_ttimeparams.ibcir)
glb_ttimeparams.ibcir=1;
glb_ttimeparams.ibnum=CALLID_TABLE_ENTRIES/glb_ttimeparams.ibcir;
if (register_timer(callid_gc, (void*)&glb_ttimeparams /* param*/, CALLID_GARBAGE_COLLECTOR_INTERVAL /* period */) < 0 ) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: Can not register timer\n");
return -5;
}
/*
* If there were not enough parameter set then we could not initialize
* the authorizer part
*/
if (glb_authservice_disabled)
return 0;
if (initdynstr(&glb_sidentity, DGST_STR_INIT_SIZE))
return -6;
if (initdynstr(&glb_sdate, AUTH_TIME_LENGTH))
return -7;
if (initdynstr(&glb_sidentityinfo, AUTH_URL_LENGTH))
return -8;
/* we initialize indentity info header */
sstr.s=IDENTITY_INFO_FIRST_PART;
sstr.len=strlen(IDENTITY_INFO_FIRST_PART);
if (cpy2dynstr(&glb_sidentityinfo, &sstr))
return -9;
sstr.s=glb_sservercerturl;
sstr.len=strlen(glb_sservercerturl);
if (app2dynstr(&glb_sidentityinfo, &sstr))
return -10;
sstr.s=IDENTITY_INFO_LAST_PART;
/* we copy the trailing \0 because append_hf expects strings */
sstr.len=strlen(IDENTITY_INFO_LAST_PART) + 1;
if (app2dynstr(&glb_sidentityinfo, &sstr))
return -11;
/*
* Get my certificate
*/
if (!(hpemfile=fopen(glb_sservercertpath, "r"))) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: unable to open certificate '%s'\n", strerror(errno));
return -12;
}
if (!(pmycert=PEM_read_X509(hpemfile, NULL, NULL, NULL))) {
ERR_error_string_n(ERR_get_error(), serr, sizeof serr);
LOG(L_ERR, "AUTH_IDENTITY:mod_init: '%s'\n", serr);
fclose(hpemfile);
return -13;
}
if (x509_get_notafter(&glb_imycertnotafter, pmycert)) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: Error getting certificate expiration date\n");
return -13;
}
if (x509_get_notbefore(&ttmp, pmycert)) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: Error getting certificate validity date\n");
return -13;
}
if ((tnow=time(0)) < 0) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: time error %s\n", strerror(errno));
return -13;
}
if (tnow < ttmp || tnow > glb_imycertnotafter) {
LOG(L_ERR, "AUTH_IDENTITY:mod_init: Date of certificate is invalid (%s)\n", glb_sservercertpath);
return -14;
}
if (fclose(hpemfile))
LOG(L_ERR, "AUTH_IDENTITY:mod_init: unable to close file\n");
X509_free(pmycert);
/*
*
* Init RSA-SHA1 encoder
*
*/
hpemfile=fopen(glb_sprivkeypath, "r");
if (!hpemfile)
{
LOG(L_ERR, "AUTH_IDENTITY:mod_init: unable to open private key '%s'\n", strerror(errno));
return -12;
}
glb_hmyprivkey=PEM_read_RSAPrivateKey(hpemfile, NULL, NULL, NULL);
if (!glb_hmyprivkey)
{
ERR_error_string_n(ERR_get_error(), serr, sizeof serr);
LOG(L_ERR, "AUTH_IDENTITY:mod_init: '%s'\n", serr);
fclose(hpemfile);
return -13;
}
if (fclose(hpemfile))
LOG(L_ERR, "AUTH_IDENTITY:mod_init: unable to close file\n");
/* we encrypt the digest string hash to this buffer */
if (initdynstr(&glb_encedmsg, RSA_size(glb_hmyprivkey)))
return -14;
/* we base64 encode the encrypted digest string hash to this buffer */
if (initdynstr(&glb_b64encedmsg, (RSA_size(glb_hmyprivkey)/3+1)*4))
return -15;
return 0;
}
int MAIN(int argc, char **argv)
{
ENGINE *e = NULL;
char *infile=NULL, *outfile=NULL, *keyname = NULL;
char *certfile=NULL;
BIO *in=NULL, *out = NULL;
char **args;
char *name = NULL;
char *csp_name = NULL;
PKCS12 *p12 = NULL;
char pass[50], macpass[50];
int export_cert = 0;
int options = 0;
int chain = 0;
int badarg = 0;
int iter = PKCS12_DEFAULT_ITER;
int maciter = PKCS12_DEFAULT_ITER;
int twopass = 0;
int keytype = 0;
int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
int ret = 1;
int macver = 1;
int noprompt = 0;
STACK *canames = NULL;
char *cpass = NULL, *mpass = NULL;
char *passargin = NULL, *passargout = NULL, *passarg = NULL;
char *passin = NULL, *passout = NULL;
char *inrand = NULL;
char *CApath = NULL, *CAfile = NULL;
char *engine=NULL;
apps_startup();
enc = EVP_des_ede3_cbc();
if (bio_err == NULL ) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
if (!load_config(bio_err, NULL))
goto end;
args = argv + 1;
while (*args) {
if (*args[0] == '-') {
if (!strcmp (*args, "-nokeys")) options |= NOKEYS;
else if (!strcmp (*args, "-keyex")) keytype = KEY_EX;
else if (!strcmp (*args, "-keysig")) keytype = KEY_SIG;
else if (!strcmp (*args, "-nocerts")) options |= NOCERTS;
else if (!strcmp (*args, "-clcerts")) options |= CLCERTS;
else if (!strcmp (*args, "-cacerts")) options |= CACERTS;
else if (!strcmp (*args, "-noout")) options |= (NOKEYS|NOCERTS);
else if (!strcmp (*args, "-info")) options |= INFO;
else if (!strcmp (*args, "-chain")) chain = 1;
else if (!strcmp (*args, "-twopass")) twopass = 1;
else if (!strcmp (*args, "-nomacver")) macver = 0;
else if (!strcmp (*args, "-descert"))
cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
else if (!strcmp (*args, "-export")) export_cert = 1;
else if (!strcmp (*args, "-des")) enc=EVP_des_cbc();
#ifndef OPENSSL_NO_IDEA
else if (!strcmp (*args, "-idea")) enc=EVP_idea_cbc();
#endif
else if (!strcmp (*args, "-des3")) enc = EVP_des_ede3_cbc();
#ifndef OPENSSL_NO_AES
else if (!strcmp(*args,"-aes128")) enc=EVP_aes_128_cbc();
else if (!strcmp(*args,"-aes192")) enc=EVP_aes_192_cbc();
else if (!strcmp(*args,"-aes256")) enc=EVP_aes_256_cbc();
#endif
else if (!strcmp (*args, "-noiter")) iter = 1;
else if (!strcmp (*args, "-maciter"))
maciter = PKCS12_DEFAULT_ITER;
else if (!strcmp (*args, "-nomaciter"))
maciter = 1;
else if (!strcmp (*args, "-nodes")) enc=NULL;
else if (!strcmp (*args, "-certpbe")) {
if (args[1]) {
args++;
cert_pbe=OBJ_txt2nid(*args);
if(cert_pbe == NID_undef) {
BIO_printf(bio_err,
"Unknown PBE algorithm %s\n", *args);
badarg = 1;
}
} else badarg = 1;
} else if (!strcmp (*args, "-keypbe")) {
if (args[1]) {
args++;
key_pbe=OBJ_txt2nid(*args);
if(key_pbe == NID_undef) {
BIO_printf(bio_err,
"Unknown PBE algorithm %s\n", *args);
badarg = 1;
}
} else badarg = 1;
} else if (!strcmp (*args, "-rand")) {
if (args[1]) {
args++;
inrand = *args;
} else badarg = 1;
} else if (!strcmp (*args, "-inkey")) {
if (args[1]) {
args++;
keyname = *args;
} else badarg = 1;
} else if (!strcmp (*args, "-certfile")) {
if (args[1]) {
args++;
certfile = *args;
} else badarg = 1;
} else if (!strcmp (*args, "-name")) {
if (args[1]) {
args++;
name = *args;
} else badarg = 1;
} else if (!strcmp (*args, "-CSP")) {
if (args[1]) {
args++;
csp_name = *args;
} else badarg = 1;
} else if (!strcmp (*args, "-caname")) {
if (args[1]) {
args++;
if (!canames) canames = sk_new_null();
sk_push(canames, *args);
} else badarg = 1;
} else if (!strcmp (*args, "-in")) {
if (args[1]) {
args++;
infile = *args;
} else badarg = 1;
} else if (!strcmp (*args, "-out")) {
if (args[1]) {
args++;
outfile = *args;
} else badarg = 1;
} else if (!strcmp(*args,"-passin")) {
if (args[1]) {
args++;
passargin = *args;
} else badarg = 1;
} else if (!strcmp(*args,"-passout")) {
if (args[1]) {
args++;
passargout = *args;
} else badarg = 1;
} else if (!strcmp (*args, "-password")) {
if (args[1]) {
args++;
passarg = *args;
noprompt = 1;
} else badarg = 1;
} else if (!strcmp(*args,"-CApath")) {
if (args[1]) {
args++;
CApath = *args;
} else badarg = 1;
} else if (!strcmp(*args,"-CAfile")) {
if (args[1]) {
args++;
CAfile = *args;
} else badarg = 1;
} else if (!strcmp(*args,"-engine")) {
if (args[1]) {
args++;
engine = *args;
} else badarg = 1;
} else badarg = 1;
} else badarg = 1;
args++;
}
if (badarg) {
BIO_printf (bio_err, "Usage: pkcs12 [options]\n");
BIO_printf (bio_err, "where options are\n");
BIO_printf (bio_err, "-export output PKCS12 file\n");
BIO_printf (bio_err, "-chain add certificate chain\n");
BIO_printf (bio_err, "-inkey file private key if not infile\n");
BIO_printf (bio_err, "-certfile f add all certs in f\n");
BIO_printf (bio_err, "-CApath arg - PEM format directory of CA's\n");
BIO_printf (bio_err, "-CAfile arg - PEM format file of CA's\n");
BIO_printf (bio_err, "-name \"name\" use name as friendly name\n");
BIO_printf (bio_err, "-caname \"nm\" use nm as CA friendly name (can be used more than once).\n");
BIO_printf (bio_err, "-in infile input filename\n");
BIO_printf (bio_err, "-out outfile output filename\n");
BIO_printf (bio_err, "-noout don't output anything, just verify.\n");
BIO_printf (bio_err, "-nomacver don't verify MAC.\n");
BIO_printf (bio_err, "-nocerts don't output certificates.\n");
BIO_printf (bio_err, "-clcerts only output client certificates.\n");
BIO_printf (bio_err, "-cacerts only output CA certificates.\n");
BIO_printf (bio_err, "-nokeys don't output private keys.\n");
BIO_printf (bio_err, "-info give info about PKCS#12 structure.\n");
BIO_printf (bio_err, "-des encrypt private keys with DES\n");
BIO_printf (bio_err, "-des3 encrypt private keys with triple DES (default)\n");
#ifndef OPENSSL_NO_IDEA
BIO_printf (bio_err, "-idea encrypt private keys with idea\n");
#endif
#ifndef OPENSSL_NO_AES
BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
BIO_printf (bio_err, " encrypt PEM output with cbc aes\n");
#endif
BIO_printf (bio_err, "-nodes don't encrypt private keys\n");
BIO_printf (bio_err, "-noiter don't use encryption iteration\n");
BIO_printf (bio_err, "-maciter use MAC iteration\n");
BIO_printf (bio_err, "-twopass separate MAC, encryption passwords\n");
BIO_printf (bio_err, "-descert encrypt PKCS#12 certificates with triple DES (default RC2-40)\n");
BIO_printf (bio_err, "-certpbe alg specify certificate PBE algorithm (default RC2-40)\n");
BIO_printf (bio_err, "-keypbe alg specify private key PBE algorithm (default 3DES)\n");
BIO_printf (bio_err, "-keyex set MS key exchange type\n");
BIO_printf (bio_err, "-keysig set MS key signature type\n");
BIO_printf (bio_err, "-password p set import/export password source\n");
BIO_printf (bio_err, "-passin p input file pass phrase source\n");
BIO_printf (bio_err, "-passout p output file pass phrase source\n");
BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n");
BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
BIO_printf(bio_err, " load the file (or the files in the directory) into\n");
BIO_printf(bio_err, " the random number generator\n");
goto end;
}
e = setup_engine(bio_err, engine, 0);
if(passarg) {
if(export_cert) passargout = passarg;
else passargin = passarg;
}
if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
if(!cpass) {
if(export_cert) cpass = passout;
else cpass = passin;
}
if(cpass) {
mpass = cpass;
noprompt = 1;
} else {
cpass = pass;
mpass = macpass;
}
if(export_cert || inrand) {
app_RAND_load_file(NULL, bio_err, (inrand != NULL));
if (inrand != NULL)
BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
}
ERR_load_crypto_strings();
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("read files");
#endif
if (!infile) in = BIO_new_fp(stdin, BIO_NOCLOSE);
else in = BIO_new_file(infile, "rb");
if (!in) {
BIO_printf(bio_err, "Error opening input file %s\n",
infile ? infile : "<stdin>");
perror (infile);
goto end;
}
#if 0
if (certfile) {
if(!(certsin = BIO_new_file(certfile, "r"))) {
BIO_printf(bio_err, "Can't open certificate file %s\n", certfile);
perror (certfile);
goto end;
}
}
if (keyname) {
if(!(inkey = BIO_new_file(keyname, "r"))) {
BIO_printf(bio_err, "Can't key certificate file %s\n", keyname);
perror (keyname);
goto end;
}
}
#endif
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("write files");
#endif
if (!outfile) {
out = BIO_new_fp(stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
} else out = BIO_new_file(outfile, "wb");
if (!out) {
BIO_printf(bio_err, "Error opening output file %s\n",
outfile ? outfile : "<stdout>");
perror (outfile);
goto end;
}
if (twopass) {
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("read MAC password");
#endif
if(EVP_read_pw_string (macpass, sizeof macpass, "Enter MAC Password:"******"Can't read Password\n");
goto end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
}
if (export_cert) {
EVP_PKEY *key = NULL;
STACK_OF(PKCS12_SAFEBAG) *bags = NULL;
STACK_OF(PKCS7) *safes = NULL;
PKCS12_SAFEBAG *bag = NULL;
PKCS8_PRIV_KEY_INFO *p8 = NULL;
PKCS7 *authsafe = NULL;
X509 *ucert = NULL;
STACK_OF(X509) *certs=NULL;
char *catmp = NULL;
int i;
unsigned char keyid[EVP_MAX_MD_SIZE];
unsigned int keyidlen = 0;
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("process -export_cert");
CRYPTO_push_info("reading private key");
#endif
key = load_key(bio_err, keyname ? keyname : infile, FORMAT_PEM, 1,
passin, e, "private key");
if (!key) {
goto export_end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("reading certs from input");
#endif
/* Load in all certs in input file */
if(!(certs = load_certs(bio_err, infile, FORMAT_PEM, NULL, e,
"certificates"))) {
goto export_end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("reading certs from input 2");
#endif
for(i = 0; i < sk_X509_num(certs); i++) {
ucert = sk_X509_value(certs, i);
if(X509_check_private_key(ucert, key)) {
X509_digest(ucert, EVP_sha1(), keyid, &keyidlen);
break;
}
}
if(!keyidlen) {
ucert = NULL;
BIO_printf(bio_err, "No certificate matches private key\n");
goto export_end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("reading certs from certfile");
#endif
bags = sk_PKCS12_SAFEBAG_new_null ();
/* Add any more certificates asked for */
if (certfile) {
STACK_OF(X509) *morecerts=NULL;
if(!(morecerts = load_certs(bio_err, certfile, FORMAT_PEM,
NULL, e,
"certificates from certfile"))) {
goto export_end;
}
while(sk_X509_num(morecerts) > 0) {
sk_X509_push(certs, sk_X509_shift(morecerts));
}
sk_X509_free(morecerts);
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("building chain");
#endif
/* If chaining get chain from user cert */
if (chain) {
int vret;
STACK_OF(X509) *chain2;
X509_STORE *store = X509_STORE_new();
if (!store)
{
BIO_printf (bio_err, "Memory allocation error\n");
goto export_end;
}
if (!X509_STORE_load_locations(store, CAfile, CApath))
X509_STORE_set_default_paths (store);
vret = get_cert_chain (ucert, store, &chain2);
X509_STORE_free(store);
if (!vret) {
/* Exclude verified certificate */
for (i = 1; i < sk_X509_num (chain2) ; i++)
sk_X509_push(certs, sk_X509_value (chain2, i));
/* Free first certificate */
X509_free(sk_X509_value(chain2, 0));
sk_X509_free(chain2);
} else {
BIO_printf (bio_err, "Error %s getting chain.\n",
X509_verify_cert_error_string(vret));
goto export_end;
}
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("building bags");
#endif
/* We now have loads of certificates: include them all */
for(i = 0; i < sk_X509_num(certs); i++) {
X509 *cert = NULL;
cert = sk_X509_value(certs, i);
bag = PKCS12_x5092certbag(cert);
/* If it matches private key set id */
if(cert == ucert) {
if(name) PKCS12_add_friendlyname(bag, name, -1);
PKCS12_add_localkeyid(bag, keyid, keyidlen);
} else if((catmp = sk_shift(canames)))
PKCS12_add_friendlyname(bag, catmp, -1);
sk_PKCS12_SAFEBAG_push(bags, bag);
}
sk_X509_pop_free(certs, X509_free);
certs = NULL;
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("encrypting bags");
#endif
if(!noprompt &&
EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:"******"Can't read Password\n");
goto export_end;
}
if (!twopass) strcpy(macpass, pass);
/* Turn certbags into encrypted authsafe */
authsafe = PKCS12_pack_p7encdata(cert_pbe, cpass, -1, NULL, 0,
iter, bags);
sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
bags = NULL;
if (!authsafe) {
ERR_print_errors (bio_err);
goto export_end;
}
safes = sk_PKCS7_new_null ();
sk_PKCS7_push (safes, authsafe);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("building shrouded key bag");
#endif
/* Make a shrouded key bag */
p8 = EVP_PKEY2PKCS8 (key);
if(keytype) PKCS8_add_keyusage(p8, keytype);
bag = PKCS12_MAKE_SHKEYBAG(key_pbe, cpass, -1, NULL, 0, iter, p8);
PKCS8_PRIV_KEY_INFO_free(p8);
p8 = NULL;
if (name) PKCS12_add_friendlyname (bag, name, -1);
if(csp_name) PKCS12_add_CSPName_asc(bag, csp_name, -1);
PKCS12_add_localkeyid (bag, keyid, keyidlen);
bags = sk_PKCS12_SAFEBAG_new_null();
sk_PKCS12_SAFEBAG_push (bags, bag);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("encrypting shrouded key bag");
#endif
/* Turn it into unencrypted safe bag */
authsafe = PKCS12_pack_p7data (bags);
sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
bags = NULL;
sk_PKCS7_push (safes, authsafe);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("building pkcs12");
#endif
p12 = PKCS12_init(NID_pkcs7_data);
PKCS12_pack_authsafes(p12, safes);
sk_PKCS7_pop_free(safes, PKCS7_free);
safes = NULL;
PKCS12_set_mac (p12, mpass, -1, NULL, 0, maciter, NULL);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_push_info("writing pkcs12");
#endif
i2d_PKCS12_bio (out, p12);
ret = 0;
export_end:
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
CRYPTO_pop_info();
CRYPTO_push_info("process -export_cert: freeing");
#endif
if (key) EVP_PKEY_free(key);
if (certs) sk_X509_pop_free(certs, X509_free);
if (safes) sk_PKCS7_pop_free(safes, PKCS7_free);
if (bags) sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
goto end;
}
if (!(p12 = d2i_PKCS12_bio (in, NULL))) {
ERR_print_errors(bio_err);
goto end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("read import password");
#endif
if(!noprompt && EVP_read_pw_string(pass, sizeof pass, "Enter Import Password:"******"Can't read Password\n");
goto end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
if (!twopass) strcpy(macpass, pass);
if (options & INFO) BIO_printf (bio_err, "MAC Iteration %ld\n", p12->mac->iter ? ASN1_INTEGER_get (p12->mac->iter) : 1);
if(macver) {
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("verify MAC");
#endif
/* If we enter empty password try no password first */
if(!macpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
/* If mac and crypto pass the same set it to NULL too */
if(!twopass) cpass = NULL;
} else if (!PKCS12_verify_mac(p12, mpass, -1)) {
BIO_printf (bio_err, "Mac verify error: invalid password?\n");
ERR_print_errors (bio_err);
goto end;
}
BIO_printf (bio_err, "MAC verified OK\n");
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
}
#ifdef CRYPTO_MDEBUG
CRYPTO_push_info("output keys and certificates");
#endif
if (!dump_certs_keys_p12 (out, p12, cpass, -1, options, passout)) {
BIO_printf(bio_err, "Error outputting keys and certificates\n");
ERR_print_errors (bio_err);
goto end;
}
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
#endif
ret = 0;
end:
if (p12) PKCS12_free(p12);
if(export_cert || inrand) app_RAND_write_file(NULL, bio_err);
#ifdef CRYPTO_MDEBUG
CRYPTO_remove_all_info();
#endif
BIO_free(in);
BIO_free_all(out);
if (canames) sk_free(canames);
if(passin) OPENSSL_free(passin);
if(passout) OPENSSL_free(passout);
apps_shutdown();
OPENSSL_EXIT(ret);
}
static SSL_CTX *initialise_ssl_ctx(int server_mode, const char *engine_id,
const char *CAfile, const char *cert,
const char *key, const char *dcert,
const char *dkey, const char *cipher_list,
const char *dh_file,
const char *dh_special, int tmp_rsa,
int ctx_options, int out_state,
int out_verify, int verify_mode,
unsigned int verify_depth)
{
SSL_CTX *ctx = NULL, *ret = NULL;
const SSL_METHOD *meth;
ENGINE *e = NULL;
OpenSSL_add_ssl_algorithms();
SSL_load_error_strings();
meth = (server_mode ? SSLv23_server_method() : SSLv23_client_method());
if (meth == NULL)
goto err;
if (engine_id) {
ENGINE_load_builtin_engines();
if ((e = ENGINE_by_id(engine_id)) == NULL) {
fprintf(stderr, "Error obtaining '%s' engine, openssl "
"errors follow\n", engine_id);
goto err;
}
if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
fprintf(stderr, "Error assigning '%s' engine, openssl "
"errors follow\n", engine_id);
goto err;
}
ENGINE_free(e);
}
if ((ctx = SSL_CTX_new(meth)) == NULL)
goto err;
/* cacert */
if (CAfile) {
if (!X509_STORE_load_locations(SSL_CTX_get_cert_store(ctx),
CAfile, NULL)) {
fprintf(stderr, "Error loading CA cert(s) in '%s'\n", CAfile);
goto err;
}
fprintf(stderr, "Info, operating with CA cert(s) in '%s'\n", CAfile);
} else
fprintf(stderr, "Info, operating without a CA cert(-list)\n");
if (!SSL_CTX_set_default_verify_paths(ctx)) {
fprintf(stderr, "Error setting default verify paths\n");
goto err;
}
/* cert and key */
if ((cert || key) && !ctx_set_cert(ctx, cert, key))
goto err;
/* dcert and dkey */
if ((dcert || dkey) && !ctx_set_cert(ctx, dcert, dkey))
goto err;
/* temporary RSA key generation */
if (tmp_rsa)
SSL_CTX_set_tmp_rsa_callback(ctx, cb_generate_tmp_rsa);
/* cipher_list */
if (cipher_list) {
if (!SSL_CTX_set_cipher_list(ctx, cipher_list)) {
fprintf(stderr, "Error setting cipher list '%s'\n", cipher_list);
goto err;
}
fprintf(stderr, "Info, set cipher list '%s'\n", cipher_list);
} else
fprintf(stderr, "Info, operating with default cipher list\n");
/* dh_file & dh_special */
if ((dh_file || dh_special) && !ctx_set_dh(ctx, dh_file, dh_special))
goto err;
/* ctx_options */
SSL_CTX_set_options(ctx, ctx_options);
/* out_state (output of SSL handshake states to screen). */
if (out_state)
cb_ssl_info_set_output(stderr);
/* out_verify */
if (out_verify > 0) {
cb_ssl_verify_set_output(stderr);
cb_ssl_verify_set_level(out_verify);
}
/* verify_depth */
cb_ssl_verify_set_depth(verify_depth);
/* Success! (includes setting verify_mode) */
SSL_CTX_set_info_callback(ctx, cb_ssl_info);
SSL_CTX_set_verify(ctx, verify_mode, cb_ssl_verify);
ret = ctx;
err:
if (!ret) {
ERR_print_errors_fp(stderr);
if (ctx)
SSL_CTX_free(ctx);
}
return ret;
}
/*
Create and initialize an SSL configuration for a route. This configuration is used by all requests for
a given route. An application can have different SSL configurations for different routes. There is also
a default SSL configuration that is used when a route does not define a configuration and one for clients.
*/
static int configOss(MprSsl *ssl, int flags, char **errorMsg)
{
OpenConfig *cfg;
X509_STORE *store;
SSL_CTX *ctx;
cchar *key;
uchar resume[16];
int verifyMode;
assert(ssl);
if (ssl->config && !ssl->changed) {
return 0;
}
if ((ssl->config = mprAllocObj(OpenConfig, manageOpenConfig)) == 0) {
return MPR_ERR_MEMORY;
}
cfg = ssl->config;
if ((ctx = SSL_CTX_new(SSLv23_method())) == 0) {
mprLog("error openssl", 0, "Unable to create SSL context");
return MPR_ERR_CANT_INITIALIZE;
}
SSL_CTX_set_app_data(ctx, (void*) ssl);
if (ssl->verifyPeer && !(ssl->caFile || ssl->caPath)) {
*errorMsg = sfmt("Cannot verify peer due to undefined CA certificates");
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
/*
Configure the certificates
*/
if (ssl->certFile) {
if (setCertFile(ctx, ssl->certFile) < 0) {
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
key = (ssl->keyFile == 0) ? ssl->certFile : ssl->keyFile;
if (key) {
if (setKeyFile(ctx, key) < 0) {
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
if (!SSL_CTX_check_private_key(ctx)) {
mprLog("error openssl", 0, "Check of private key file failed: %s", key);
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
}
}
if (ssl->ciphers) {
ssl->ciphers = mapCipherNames(ssl->ciphers);
}
if (!ssl->ciphers && (flags & MPR_SOCKET_SERVER)) {
ssl->ciphers = sclone(OPENSSL_DEFAULT_CIPHERS);
}
if (ssl->ciphers) {
mprLog("info openssl", 5, "Using SSL ciphers: %s", ssl->ciphers);
if (SSL_CTX_set_cipher_list(ctx, ssl->ciphers) != 1) {
*errorMsg = sfmt("Unable to set cipher list \"%s\"", ssl->ciphers);
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
}
verifyMode = ssl->verifyPeer ? SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT : SSL_VERIFY_NONE;
if (verifyMode != SSL_VERIFY_NONE) {
if (!(ssl->caFile || ssl->caPath)) {
*errorMsg = sclone("No defined certificate authority file");
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
if ((!SSL_CTX_load_verify_locations(ctx, (char*) ssl->caFile, (char*) ssl->caPath)) ||
(!SSL_CTX_set_default_verify_paths(ctx))) {
*errorMsg = sfmt("Unable to set certificate locations: %s: %s", ssl->caFile, ssl->caPath);
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
if (ssl->caFile) {
STACK_OF(X509_NAME) *certNames;
certNames = SSL_load_client_CA_file(ssl->caFile);
if (certNames) {
/*
Define the list of CA certificates to send to the client
before they send their client certificate for validation
*/
SSL_CTX_set_client_CA_list(ctx, certNames);
}
}
store = SSL_CTX_get_cert_store(ctx);
if (ssl->revoke && !X509_STORE_load_locations(store, ssl->revoke, 0)) {
mprLog("error openssl", 0, "Cannot load certificate revoke list: %s", ssl->revoke);
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
if (flags & MPR_SOCKET_SERVER) {
SSL_CTX_set_verify_depth(ctx, ssl->verifyDepth);
}
}
/*
Define callbacks
*/
SSL_CTX_set_verify(ctx, verifyMode, verifyPeerCertificate);
if (flags & MPR_SOCKET_SERVER) {
SSL_CTX_set_tlsext_servername_callback(ctx, sniHostname);
}
/*
Configure DH parameters
*/
SSL_CTX_set_tmp_dh_callback(ctx, dhcallback);
cfg->dhKey = getDhKey();
/*
Define default OpenSSL options
Ensure we generate a new private key for each connection
Disable SSLv2 and SSLv3 by default -- they are insecure.
*/
cfg->setFlags = SSL_OP_ALL | SSL_OP_SINGLE_DH_USE | SSL_OP_SINGLE_ECDH_USE | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3;
#ifdef SSL_OP_NO_TLSv1
if (!(ssl->protocols & MPR_PROTO_TLSV1)) {
cfg->setFlags |= SSL_OP_NO_TLSv1;
}
#endif
#ifdef SSL_OP_NO_TLSv1_1
if (!(ssl->protocols & MPR_PROTO_TLSV1_1)) {
cfg->setFlags |= SSL_OP_NO_TLSv1_1;
}
#endif
#ifdef SSL_OP_NO_TLSv1_2
if (!(ssl->protocols & MPR_PROTO_TLSV1_2)) {
cfg->setFlags |= SSL_OP_NO_TLSv1_2;
}
#endif
#ifdef SSL_OP_MSIE_SSLV2_RSA_PADDING
cfg->setFlags |= SSL_OP_MSIE_SSLV2_RSA_PADDING;
#endif
#if defined(SSL_OP_NO_TICKET)
/*
Ticket based session reuse is enabled by default
*/
#if defined(ME_MPR_SSL_TICKET)
if (ME_MPR_SSL_TICKET) {
cfg->clearFlags |= SSL_OP_NO_TICKET;
} else {
cfg->setFlags |= SSL_OP_NO_TICKET;
}
#else
cfg->clearFlags |= SSL_OP_NO_TICKET;
#endif
#endif
#if defined(SSL_OP_NO_COMPRESSION)
/*
CRIME attack targets compression
*/
cfg->clearFlags |= SSL_OP_NO_COMPRESSION;
#endif
#if defined(SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION)
/*
Force a new session on renegotiation. Default to true.
This is required when using SNI and changing context during the SSL hello
*/
#if defined(ME_MPR_SSL_RENEGOTIATE)
if (ME_MPR_SSL_RENEGOTIATE) {
cfg->clearFlags |= SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION;
} else {
cfg->setFlags |= SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION;
}
#else
cfg->setFlags |= SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION;
#endif
#endif
#if defined(SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)
/*
Disables a countermeasure against a SSL 3.0/TLS 1.0 protocol vulnerability affecting CBC ciphers.
Defaults to true.
*/
#if defined(ME_MPR_SSL_EMPTY_FRAGMENTS)
if (ME_MPR_SSL_EMPTY_FRAGMENTS) {
/* SSL_OP_ALL disables empty fragments. Only needed for ancient browsers like IE-6 on SSL-3.0/TLS-1.0 */
cfg->clearFlags |= SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS;
} else {
cfg->setFlags |= SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS;
}
#else
cfg->setFlags |= SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS;
#endif
#endif
/*
Define a session reuse context
*/
RAND_bytes(resume, sizeof(resume));
SSL_CTX_set_session_id_context(ctx, resume, sizeof(resume));
/*
Elliptic Curve initialization
*/
#if SSL_OP_SINGLE_ECDH_USE
#ifdef SSL_CTX_set_ecdh_auto
/* This is supported in OpenSSL 1.0.2 */
SSL_CTX_set_ecdh_auto(ctx, 1);
#else
{
EC_KEY *ecdh;
cchar *name;
int nid;
name = ME_MPR_SSL_CURVE;
if ((nid = OBJ_sn2nid(name)) == 0) {
*errorMsg = sfmt("Unknown curve name \"%s\"", name);
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
if ((ecdh = EC_KEY_new_by_curve_name(nid)) == 0) {
*errorMsg = sfmt("Unable to create curve \"%s\"", name);
SSL_CTX_free(ctx);
return MPR_ERR_CANT_INITIALIZE;
}
SSL_CTX_set_tmp_ecdh(ctx, ecdh);
EC_KEY_free(ecdh);
}
#endif
#endif
SSL_CTX_set_mode(ctx, SSL_MODE_ENABLE_PARTIAL_WRITE | SSL_MODE_AUTO_RETRY | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
#ifdef SSL_MODE_RELEASE_BUFFERS
SSL_CTX_set_mode(ctx, SSL_MODE_RELEASE_BUFFERS);
#endif
#ifdef SSL_OP_CIPHER_SERVER_PREFERENCE
SSL_CTX_set_mode(ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
#endif
#if defined(ME_MPR_SSL_CACHE)
/*
Set the number of sessions supported. Default in OpenSSL is 20K.
*/
SSL_CTX_sess_set_cache_size(ctx, ME_MPR_SSL_CACHE);
#else
SSL_CTX_sess_set_cache_size(ctx, 1024);
#endif
SSL_CTX_set_options(ctx, cfg->setFlags);
SSL_CTX_clear_options(ctx, cfg->clearFlags);
cfg->ctx = ctx;
ssl->changed = 0;
ssl->config = cfg;
return 0;
}
/*
Set certification stuff.
*/
static int my_ssl_set_certs(MYSQL *mysql)
{
char *certfile= mysql->options.ssl_cert,
*keyfile= mysql->options.ssl_key;
DBUG_ENTER("my_ssl_set_certs");
/* Make sure that ssl was allocated and
ssl_system was initialized */
DBUG_ASSERT(my_ssl_initialized == TRUE);
/* add cipher */
if ((mysql->options.ssl_cipher &&
mysql->options.ssl_cipher[0] != 0) &&
SSL_CTX_set_cipher_list(SSL_context, mysql->options.ssl_cipher) == 0)
goto error;
/* ca_file and ca_path */
if (SSL_CTX_load_verify_locations(SSL_context,
mysql->options.ssl_ca,
mysql->options.ssl_capath) == 0)
{
if (mysql->options.ssl_ca || mysql->options.ssl_capath)
goto error;
if (SSL_CTX_set_default_verify_paths(SSL_context) == 0)
goto error;
}
if (keyfile && !certfile)
certfile= keyfile;
if (certfile && !keyfile)
keyfile= certfile;
/* set cert */
if (certfile && certfile[0] != 0)
if (SSL_CTX_use_certificate_file(SSL_context, certfile, SSL_FILETYPE_PEM) != 1)
goto error;
/* set key */
if (keyfile && keyfile[0])
{
if (SSL_CTX_use_PrivateKey_file(SSL_context, keyfile, SSL_FILETYPE_PEM) != 1)
goto error;
}
/* verify key */
if (certfile && !SSL_CTX_check_private_key(SSL_context))
goto error;
if (mysql->options.extension &&
(mysql->options.extension->ssl_crl || mysql->options.extension->ssl_crlpath))
{
X509_STORE *certstore;
if ((certstore= SSL_CTX_get_cert_store(SSL_context)))
{
if (X509_STORE_load_locations(certstore, mysql->options.extension->ssl_crl,
mysql->options.extension->ssl_crlpath) == 0 ||
X509_STORE_set_flags(certstore, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL) == 0)
goto error;
}
}
DBUG_RETURN(0);
error:
my_SSL_error(mysql);
DBUG_RETURN(1);
}
int32_t mz_crypt_sign_verify(uint8_t *message, int32_t message_size, uint8_t *signature, int32_t signature_size)
{
CMS_ContentInfo *cms = NULL;
STACK_OF(X509) *signers = NULL;
STACK_OF(X509) *intercerts = NULL;
X509_STORE *cert_store = NULL;
X509_LOOKUP *lookup = NULL;
X509_STORE_CTX *store_ctx = NULL;
BIO *message_bio = NULL;
BIO *signature_bio = NULL;
BUF_MEM *buf_mem = NULL;
int32_t signer_count = 0;
int32_t result = 0;
int32_t i = 0;
int32_t err = MZ_SIGN_ERROR;
if (message == NULL || message_size == 0 || signature == NULL || signature_size == 0)
return MZ_PARAM_ERROR;
mz_crypt_init();
cert_store = X509_STORE_new();
X509_STORE_load_locations(cert_store, "cacert.pem", NULL);
X509_STORE_set_default_paths(cert_store);
#if 0
BIO *yy = BIO_new_file("xyz", "wb");
BIO_write(yy, signature, signature_size);
BIO_flush(yy);
BIO_free(yy);
#endif
lookup = X509_STORE_add_lookup(cert_store, X509_LOOKUP_file());
if (lookup != NULL)
X509_LOOKUP_load_file(lookup, "cacert.pem", X509_FILETYPE_PEM);
lookup = X509_STORE_add_lookup(cert_store, X509_LOOKUP_hash_dir());
if (lookup != NULL)
X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
signature_bio = BIO_new_mem_buf(signature, signature_size);
message_bio = BIO_new(BIO_s_mem());
cms = d2i_CMS_bio(signature_bio, NULL);
if (cms)
{
result = CMS_verify(cms, NULL, cert_store, NULL, message_bio, CMS_NO_SIGNER_CERT_VERIFY | CMS_BINARY);
if (result)
signers = CMS_get0_signers(cms);
if (signers)
intercerts = CMS_get1_certs(cms);
if (intercerts)
{
/* Verify signer certificates */
signer_count = sk_X509_num(signers);
if (signer_count > 0)
err = MZ_OK;
for (i = 0; i < signer_count; i++)
{
store_ctx = X509_STORE_CTX_new();
X509_STORE_CTX_init(store_ctx, cert_store, sk_X509_value(signers, i), intercerts);
result = X509_verify_cert(store_ctx);
if (store_ctx)
X509_STORE_CTX_free(store_ctx);
if (!result)
{
err = MZ_SIGN_ERROR;
break;
}
}
}
BIO_get_mem_ptr(message_bio, &buf_mem);
if (err == MZ_OK)
{
/* Verify the message */
if (((int32_t)buf_mem->length != message_size) ||
(memcmp(buf_mem->data, message, message_size) != 0))
err = MZ_SIGN_ERROR;
}
}
#if 0
if (!result)
printf(ERR_error_string(ERR_get_error(), NULL));
#endif
if (cms)
CMS_ContentInfo_free(cms);
if (message_bio)
BIO_free(message_bio);
if (signature_bio)
BIO_free(signature_bio);
if (cert_store)
X509_STORE_free(cert_store);
return err;
}
static int ma_tls_set_certs(MYSQL *mysql)
{
char *certfile= mysql->options.ssl_cert,
*keyfile= mysql->options.ssl_key;
/* add cipher */
if ((mysql->options.ssl_cipher &&
mysql->options.ssl_cipher[0] != 0) &&
SSL_CTX_set_cipher_list(SSL_context, mysql->options.ssl_cipher) == 0)
goto error;
/* ca_file and ca_path */
if (SSL_CTX_load_verify_locations(SSL_context,
mysql->options.ssl_ca,
mysql->options.ssl_capath) == 0)
{
if (mysql->options.ssl_ca || mysql->options.ssl_capath)
goto error;
if (SSL_CTX_set_default_verify_paths(SSL_context) == 0)
goto error;
}
if (keyfile && !certfile)
certfile= keyfile;
if (certfile && !keyfile)
keyfile= certfile;
/* set cert */
if (certfile && certfile[0] != 0)
if (SSL_CTX_use_certificate_file(SSL_context, certfile, SSL_FILETYPE_PEM) != 1)
goto error;
/* If the private key file is encrypted, we need to register a callback function
* for providing password. */
if (OPT_HAS_EXT_VAL(mysql, tls_pw))
{
SSL_CTX_set_default_passwd_cb_userdata(SSL_context, (void *)mysql->options.extension->tls_pw);
SSL_CTX_set_default_passwd_cb(SSL_context, ma_tls_get_password);
}
if (keyfile && keyfile[0])
{
if (SSL_CTX_use_PrivateKey_file(SSL_context, keyfile, SSL_FILETYPE_PEM) != 1)
{
unsigned long err= ERR_peek_error();
if (!(ERR_GET_LIB(err) == ERR_LIB_X509 &&
ERR_GET_REASON(err) == X509_R_CERT_ALREADY_IN_HASH_TABLE))
goto error;
}
}
if (OPT_HAS_EXT_VAL(mysql, tls_pw))
{
SSL_CTX_set_default_passwd_cb_userdata(SSL_context, NULL);
SSL_CTX_set_default_passwd_cb(SSL_context, NULL);
}
/* verify key */
if (certfile && !SSL_CTX_check_private_key(SSL_context))
goto error;
if (mysql->options.extension &&
(mysql->options.extension->ssl_crl || mysql->options.extension->ssl_crlpath))
{
X509_STORE *certstore;
if ((certstore= SSL_CTX_get_cert_store(SSL_context)))
{
if (X509_STORE_load_locations(certstore, mysql->options.extension->ssl_crl,
mysql->options.extension->ssl_crlpath) == 0)
goto error;
X509_STORE_set_flags(certstore, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
}
}
return 0;
error:
ma_tls_set_error(mysql);
return 1;
}
/*
Create and initialize an SSL configuration for a route. This configuration is used by all requests for
a given route. An application can have different SSL configurations for different routes. There is also
a default SSL configuration that is used when a route does not define a configuration and one for clients.
*/
static OpenConfig *createOpenSslConfig(MprSocket *sp)
{
MprSsl *ssl;
OpenConfig *cfg;
X509_STORE *store;
SSL_CTX *context;
cchar *key;
uchar resume[16];
int verifyMode;
ssl = sp->ssl;
assert(ssl);
if ((ssl->config = mprAllocObj(OpenConfig, manageOpenConfig)) == 0) {
return 0;
}
cfg = ssl->config;
if ((context = SSL_CTX_new(SSLv23_method())) == 0) {
mprLog("error openssl", 0, "Unable to create SSL context");
return 0;
}
SSL_CTX_set_app_data(context, (void*) ssl);
if (ssl->verifyPeer && !(ssl->caFile || ssl->caPath)) {
sp->errorMsg = sfmt("Cannot verify peer due to undefined CA certificates");
SSL_CTX_free(context);
return 0;
}
/*
Configure the certificates
*/
if (ssl->certFile) {
if (SSL_CTX_use_certificate_chain_file(context, ssl->certFile) <= 0) {
if (SSL_CTX_use_certificate_file(context, ssl->certFile, SSL_FILETYPE_ASN1) <= 0) {
mprLog("error openssl", 0, "Cannot open certificate file: %s", ssl->certFile);
SSL_CTX_free(context);
return 0;
}
}
key = (ssl->keyFile == 0) ? ssl->certFile : ssl->keyFile;
if (key) {
if (SSL_CTX_use_PrivateKey_file(context, key, SSL_FILETYPE_PEM) <= 0) {
/* attempt ASN1 for self-signed format */
if (SSL_CTX_use_PrivateKey_file(context, key, SSL_FILETYPE_ASN1) <= 0) {
mprLog("error openssl", 0, "Cannot open private key file: %s", key);
SSL_CTX_free(context);
return 0;
}
}
if (!SSL_CTX_check_private_key(context)) {
mprLog("error openssl", 0, "Check of private key file failed: %s", key);
SSL_CTX_free(context);
return 0;
}
}
}
if (ssl->ciphers) {
ssl->ciphers = mapCipherNames(ssl->ciphers);
}
if (!ssl->ciphers && (sp->flags & MPR_SOCKET_SERVER)) {
ssl->ciphers = sclone(OPENSSL_DEFAULT_CIPHERS);
}
if (ssl->ciphers) {
mprLog("info openssl", 5, "Using SSL ciphers: %s", ssl->ciphers);
if (SSL_CTX_set_cipher_list(context, ssl->ciphers) != 1) {
sp->errorMsg = sfmt("Unable to set cipher list \"%s\". %s", ssl->ciphers, getOssError(sp));
SSL_CTX_free(context);
return 0;
}
}
verifyMode = ssl->verifyPeer ? SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT : SSL_VERIFY_NONE;
if (verifyMode != SSL_VERIFY_NONE) {
if (!(ssl->caFile || ssl->caPath)) {
sp->errorMsg = sclone("No defined certificate authority file");
SSL_CTX_free(context);
return 0;
}
if ((!SSL_CTX_load_verify_locations(context, (char*) ssl->caFile, (char*) ssl->caPath)) ||
(!SSL_CTX_set_default_verify_paths(context))) {
sp->errorMsg = sfmt("Unable to set certificate locations: %s: %s", ssl->caFile, ssl->caPath);
SSL_CTX_free(context);
return 0;
}
if (ssl->caFile) {
STACK_OF(X509_NAME) *certNames;
certNames = SSL_load_client_CA_file(ssl->caFile);
if (certNames) {
/*
Define the list of CA certificates to send to the client
before they send their client certificate for validation
*/
SSL_CTX_set_client_CA_list(context, certNames);
}
}
store = SSL_CTX_get_cert_store(context);
if (ssl->revokeList && !X509_STORE_load_locations(store, ssl->revokeList, 0)) {
mprLog("error openssl", 0, "Cannot load certificate revoke list: %s", ssl->revokeList);
SSL_CTX_free(context);
return 0;
}
if (sp->flags & MPR_SOCKET_SERVER) {
SSL_CTX_set_verify_depth(context, ssl->verifyDepth);
}
}
/*
Define callbacks
*/
SSL_CTX_set_verify(context, verifyMode, verifyPeerCertificate);
/*
Configure DH parameters
*/
SSL_CTX_set_tmp_dh_callback(context, dhcallback);
cfg->dhKey = getDhKey();
/*
Define default OpenSSL options
*/
SSL_CTX_set_options(context, SSL_OP_ALL);
/*
Ensure we generate a new private key for each connection
*/
SSL_CTX_set_options(context, SSL_OP_SINGLE_DH_USE);
/*
Define a session reuse context
*/
RAND_bytes(resume, sizeof(resume));
SSL_CTX_set_session_id_context(context, resume, sizeof(resume));
/*
Elliptic Curve initialization
*/
#if SSL_OP_SINGLE_ECDH_USE
#ifdef SSL_CTX_set_ecdh_auto
SSL_CTX_set_ecdh_auto(context, 1);
#else
{
EC_KEY *ecdh;
cchar *name;
int nid;
name = ME_MPR_SSL_CURVE;
if ((nid = OBJ_sn2nid(name)) == 0) {
sp->errorMsg = sfmt("Unknown curve name \"%s\"", name);
SSL_CTX_free(context);
return 0;
}
if ((ecdh = EC_KEY_new_by_curve_name(nid)) == 0) {
sp->errorMsg = sfmt("Unable to create curve \"%s\"", name);
SSL_CTX_free(context);
return 0;
}
SSL_CTX_set_options(context, SSL_OP_SINGLE_ECDH_USE);
SSL_CTX_set_tmp_ecdh(context, ecdh);
EC_KEY_free(ecdh);
}
#endif
#endif
SSL_CTX_set_mode(context, SSL_MODE_ENABLE_PARTIAL_WRITE | SSL_MODE_AUTO_RETRY | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
#ifdef SSL_OP_MSIE_SSLV2_RSA_PADDING
SSL_CTX_set_options(context, SSL_OP_MSIE_SSLV2_RSA_PADDING);
#endif
#ifdef SSL_MODE_RELEASE_BUFFERS
SSL_CTX_set_mode(context, SSL_MODE_RELEASE_BUFFERS);
#endif
#ifdef SSL_OP_CIPHER_SERVER_PREFERENCE
SSL_CTX_set_mode(context, SSL_OP_CIPHER_SERVER_PREFERENCE);
#endif
/*
Select the required protocols
Disable SSLv2 and SSLv3 by default -- they are insecure.
*/
SSL_CTX_set_options(context, SSL_OP_NO_SSLv2);
SSL_CTX_set_options(context, SSL_OP_NO_SSLv3);
#ifdef SSL_OP_NO_TLSv1
if (!(ssl->protocols & MPR_PROTO_TLSV1)) {
SSL_CTX_set_options(context, SSL_OP_NO_TLSv1);
}
#endif
#ifdef SSL_OP_NO_TLSv1_1
if (!(ssl->protocols & MPR_PROTO_TLSV1_1)) {
SSL_CTX_set_options(context, SSL_OP_NO_TLSv1_1);
}
#endif
#ifdef SSL_OP_NO_TLSv1_2
if (!(ssl->protocols & MPR_PROTO_TLSV1_2)) {
SSL_CTX_set_options(context, SSL_OP_NO_TLSv1_2);
}
#endif
/*
Options set via main.me mpr.ssl.*
*/
#if defined(SSL_OP_NO_TICKET)
/*
Ticket based session reuse is enabled by default
*/
#if defined(ME_MPR_SSL_TICKET)
if (ME_MPR_SSL_TICKET) {
SSL_CTX_clear_options(context, SSL_OP_NO_TICKET);
} else {
SSL_CTX_set_options(context, SSL_OP_NO_TICKET);
}
#else
SSL_CTX_clear_options(context, SSL_OP_NO_TICKET);
#endif
#endif
#if defined(SSL_OP_NO_COMPRESSION)
/*
Use of compression is not secure. Disabled by default.
*/
#if defined(ME_MPR_SSL_COMPRESSION)
if (ME_MPR_SSL_COMPRESSION) {
SSL_CTX_clear_options(context, SSL_OP_NO_COMPRESSION);
} else {
SSL_CTX_set_options(context, SSL_OP_NO_COMPRESSION);
}
#else
/*
CRIME attack targets compression
*/
SSL_CTX_clear_options(context, SSL_OP_NO_COMPRESSION);
#endif
#endif
#if defined(SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION)
/*
Force a new session on renegotiation. Default to true.
*/
#if defined(ME_MPR_SSL_RENEGOTIATE)
if (ME_MPR_SSL_RENEGOTIATE) {
SSL_CTX_clear_options(context, SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
} else {
SSL_CTX_set_options(context, SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
}
#else
SSL_CTX_set_options(context, SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
#endif
#endif
#if defined(SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)
/*
Disables a countermeasure against a SSL 3.0/TLS 1.0 protocol vulnerability affecting CBC ciphers.
Defaults to true.
*/
#if defined(ME_MPR_SSL_EMPTY_FRAGMENTS)
if (ME_MPR_SSL_EMPTY_FRAGMENTS) {
/* SSL_OP_ALL disables empty fragments. Only needed for ancient browsers like IE-6 on SSL-3.0/TLS-1.0 */
SSL_CTX_clear_options(context, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
} else {
SSL_CTX_set_options(context, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
}
#else
SSL_CTX_set_options(context, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
#endif
#endif
#if defined(ME_MPR_SSL_CACHE)
/*
Set the number of sessions supported. Default in OpenSSL is 20K.
*/
SSL_CTX_sess_set_cache_size(context, ME_MPR_SSL_CACHE);
#else
SSL_CTX_sess_set_cache_size(context, 1024);
#endif
cfg->context = context;
return cfg;
}
