/**
* Print info about the verification engine
*/
static void verify_info(ssl_server_connection *ssl_server) {
STACK_OF(X509_NAME) *stack;
stack=SSL_CTX_get_client_CA_list(ssl_server->ctx);
log("%s: verify_info(): Found %d client certificates\n", prog,
sk_X509_NAME_num(stack));
}
/**
* Initializes a ssl connection for server use.
* @param pemfilename Filename for the key/cert file
* @return An ssl connection, or NULL if an error occured.
*/
ssl_server_connection *init_ssl_server(char *pemfile, char *clientpemfile) {
ASSERT(pemfile);
if (!ssl_initialized)
start_ssl();
ssl_server_connection *ssl_server = new_ssl_server_connection(pemfile, clientpemfile);
if (!(ssl_server->method = SSLv23_server_method())) {
LogError("Cannot initialize the SSL method -- %s\n", SSLERROR);
goto sslerror;
}
if (!(ssl_server->ctx = SSL_CTX_new(ssl_server->method))) {
LogError("Cannot initialize SSL server certificate handler -- %s\n", SSLERROR);
goto sslerror;
}
if (SSL_CTX_use_certificate_chain_file(ssl_server->ctx, pemfile) != 1) {
LogError("Cannot initialize SSL server certificate -- %s\n", SSLERROR);
goto sslerror;
}
if (SSL_CTX_use_PrivateKey_file(ssl_server->ctx, pemfile, SSL_FILETYPE_PEM) != 1) {
LogError("Cannot initialize SSL server private key -- %s\n", SSLERROR);
goto sslerror;
}
if (SSL_CTX_check_private_key(ssl_server->ctx) != 1) {
LogError("The private key doesn't match the certificate public key -- %s\n", SSLERROR);
goto sslerror;
}
if (SSL_CTX_set_cipher_list(ssl_server->ctx, CIPHER_LIST) != 1) {
LogError("Error setting cipher list '%s' (no valid ciphers)\n", CIPHER_LIST);
goto sslerror;
}
SSL_CTX_set_options(ssl_server->ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3); // Disable SSLv2 and SSLv3 for security reasons
SSL_CTX_set_session_cache_mode(ssl_server->ctx, SSL_SESS_CACHE_OFF); // Disable session cache
/*
* We need this to force transmission of client certs
*/
if (!verify_init(ssl_server)) {
LogError("Verification engine was not properly initialized -- %s\n", SSLERROR);
goto sslerror;
}
if (ssl_server->clientpemfile) {
STACK_OF(X509_NAME) *stack = SSL_CTX_get_client_CA_list(ssl_server->ctx);
LogInfo("Found %d client certificates\n", sk_X509_NAME_num(stack));
}
return ssl_server;
sslerror:
delete_ssl_server_socket(ssl_server);
return NULL;
}
static int
cert_select_callback (SSL *ssl, void *arg)
{
MonoBtlsSslCtx *ptr = (MonoBtlsSslCtx*)arg;
STACK_OF(X509_NAME) *ca_list;
int *sizes = NULL;
void **cadata = NULL;
int count = 0;
int ret = 1;
int i;
debug_printf (ptr, "cert_select_callback(): %p\n", ptr->select_func);
// SSL_get_client_CA_list() may only be called during this callback.
ca_list = SSL_get_client_CA_list (ssl);
if (ca_list) {
count = (int)sk_X509_NAME_num (ca_list);
cadata = OPENSSL_malloc (sizeof (void *) * (count + 1));
sizes = OPENSSL_malloc (sizeof (int) * (count + 1));
if (!cadata || !sizes) {
ret = 0;
goto out;
}
for (i = 0; i < count; i++) {
X509_NAME *name = sk_X509_NAME_value (ca_list, i);
cadata[i] = name->bytes->data;
sizes[i] = (int)name->bytes->length;
}
}
debug_printf (ptr, "cert_select_callback() #1: %p\n", ca_list);
if (ptr->select_func)
ret = ptr->select_func (ptr->instance, count, sizes, cadata);
debug_printf (ptr, "cert_select_callback() #1: %d\n", ret);
out:
if (cadata)
OPENSSL_free (cadata);
if (sizes)
OPENSSL_free (sizes);
return ret;
}
static PyObject *
ssl_Connection_get_client_ca_list(ssl_ConnectionObj *self, PyObject *args) {
STACK_OF(X509_NAME) *CANames;
PyObject *CAList;
int i, n;
if (!PyArg_ParseTuple(args, ":get_client_ca_list")) {
return NULL;
}
CANames = SSL_get_client_CA_list(self->ssl);
if (CANames == NULL) {
return PyList_New(0);
}
n = sk_X509_NAME_num(CANames);
CAList = PyList_New(n);
if (CAList == NULL) {
return NULL;
}
for (i = 0; i < n; i++) {
X509_NAME *CAName;
PyObject *CA;
CAName = X509_NAME_dup(sk_X509_NAME_value(CANames, i));
if (CAName == NULL) {
Py_DECREF(CAList);
exception_from_error_queue(ssl_Error);
return NULL;
}
CA = (PyObject *)new_x509name(CAName, 1);
if (CA == NULL) {
X509_NAME_free(CAName);
Py_DECREF(CAList);
return NULL;
}
if (PyList_SetItem(CAList, i, CA)) {
Py_DECREF(CA);
Py_DECREF(CAList);
return NULL;
}
}
return CAList;
}
static void print_stuff(BIO *bio, SSL *s, int full)
{
X509 *peer=NULL;
char *p;
static const char *space=" ";
char buf[BUFSIZ];
STACK_OF(X509) *sk;
STACK_OF(X509_NAME) *sk2;
SSL_CIPHER *c;
X509_NAME *xn;
int j,i;
#ifndef OPENSSL_NO_COMP
const COMP_METHOD *comp, *expansion;
#endif
if (full)
{
int got_a_chain = 0;
sk=SSL_get_peer_cert_chain(s);
if (sk != NULL)
{
got_a_chain = 1; /* we don't have it for SSL2 (yet) */
BIO_printf(bio,"---\nCertificate chain\n");
for (i=0; i<sk_X509_num(sk); i++)
{
X509_NAME_oneline(X509_get_subject_name(
sk_X509_value(sk,i)),buf,sizeof buf);
BIO_printf(bio,"%2d s:%s\n",i,buf);
X509_NAME_oneline(X509_get_issuer_name(
sk_X509_value(sk,i)),buf,sizeof buf);
BIO_printf(bio," i:%s\n",buf);
if (c_showcerts)
PEM_write_bio_X509(bio,sk_X509_value(sk,i));
}
}
BIO_printf(bio,"---\n");
peer=SSL_get_peer_certificate(s);
if (peer != NULL)
{
BIO_printf(bio,"Server certificate\n");
if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
PEM_write_bio_X509(bio,peer);
X509_NAME_oneline(X509_get_subject_name(peer),
buf,sizeof buf);
BIO_printf(bio,"subject=%s\n",buf);
X509_NAME_oneline(X509_get_issuer_name(peer),
buf,sizeof buf);
BIO_printf(bio,"issuer=%s\n",buf);
}
else
BIO_printf(bio,"no peer certificate available\n");
sk2=SSL_get_client_CA_list(s);
if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
{
BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
for (i=0; i<sk_X509_NAME_num(sk2); i++)
{
xn=sk_X509_NAME_value(sk2,i);
X509_NAME_oneline(xn,buf,sizeof(buf));
BIO_write(bio,buf,strlen(buf));
BIO_write(bio,"\n",1);
}
}
else
{
BIO_printf(bio,"---\nNo client certificate CA names sent\n");
}
p=SSL_get_shared_ciphers(s,buf,sizeof buf);
if (p != NULL)
{
/* This works only for SSL 2. In later protocol
* versions, the client does not know what other
* ciphers (in addition to the one to be used
* in the current connection) the server supports. */
BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
j=i=0;
while (*p)
{
if (*p == ':')
{
BIO_write(bio,space,15-j%25);
i++;
j=0;
BIO_write(bio,((i%3)?" ":"\n"),1);
}
else
{
BIO_write(bio,p,1);
j++;
}
p++;
}
BIO_write(bio,"\n",1);
}
BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
BIO_number_read(SSL_get_rbio(s)),
BIO_number_written(SSL_get_wbio(s)));
}
BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
c=SSL_get_current_cipher(s);
BIO_printf(bio,"%s, Cipher is %s\n",
SSL_CIPHER_get_version(c),
SSL_CIPHER_get_name(c));
if (peer != NULL) {
EVP_PKEY *pktmp;
pktmp = X509_get_pubkey(peer);
BIO_printf(bio,"Server public key is %d bit\n",
EVP_PKEY_bits(pktmp));
EVP_PKEY_free(pktmp);
}
#ifndef OPENSSL_NO_COMP
comp=SSL_get_current_compression(s);
expansion=SSL_get_current_expansion(s);
BIO_printf(bio,"Compression: %s\n",
comp ? SSL_COMP_get_name(comp) : "NONE");
BIO_printf(bio,"Expansion: %s\n",
expansion ? SSL_COMP_get_name(expansion) : "NONE");
#endif
SSL_SESSION_print(bio,SSL_get_session(s));
BIO_printf(bio,"---\n");
if (peer != NULL)
X509_free(peer);
/* flush, or debugging output gets mixed with http response */
(void)BIO_flush(bio);
}
static void ssl_init_ctx_verify(server_rec *s,
apr_pool_t *p,
apr_pool_t *ptemp,
modssl_ctx_t *mctx)
{
SSL_CTX *ctx = mctx->ssl_ctx;
int verify = SSL_VERIFY_NONE;
STACK_OF(X509_NAME) *ca_list;
if (mctx->auth.verify_mode == SSL_CVERIFY_UNSET) {
mctx->auth.verify_mode = SSL_CVERIFY_NONE;
}
if (mctx->auth.verify_depth == UNSET) {
mctx->auth.verify_depth = 1;
}
/*
* Configure callbacks for SSL context
*/
if (mctx->auth.verify_mode == SSL_CVERIFY_REQUIRE) {
verify |= SSL_VERIFY_PEER_STRICT;
}
if ((mctx->auth.verify_mode == SSL_CVERIFY_OPTIONAL) ||
(mctx->auth.verify_mode == SSL_CVERIFY_OPTIONAL_NO_CA))
{
verify |= SSL_VERIFY_PEER;
}
SSL_CTX_set_verify(ctx, verify, ssl_callback_SSLVerify);
/*
* Configure Client Authentication details
*/
if (mctx->auth.ca_cert_file || mctx->auth.ca_cert_path) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
"Configuring client authentication");
if (!SSL_CTX_load_verify_locations(ctx,
MODSSL_PCHAR_CAST mctx->auth.ca_cert_file,
MODSSL_PCHAR_CAST mctx->auth.ca_cert_path))
{
ap_log_error(APLOG_MARK, APLOG_ERR, 0, s,
"Unable to configure verify locations "
"for client authentication");
ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s);
ssl_die();
}
if (mctx->pks && (mctx->pks->ca_name_file || mctx->pks->ca_name_path)) {
ca_list = ssl_init_FindCAList(s, ptemp,
mctx->pks->ca_name_file,
mctx->pks->ca_name_path);
} else
ca_list = ssl_init_FindCAList(s, ptemp,
mctx->auth.ca_cert_file,
mctx->auth.ca_cert_path);
if (!ca_list) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, s,
"Unable to determine list of acceptable "
"CA certificates for client authentication");
ssl_die();
}
SSL_CTX_set_client_CA_list(ctx, (STACK *)ca_list);
}
/*
* Give a warning when no CAs were configured but client authentication
* should take place. This cannot work.
*/
if (mctx->auth.verify_mode == SSL_CVERIFY_REQUIRE) {
ca_list = (STACK_OF(X509_NAME) *)SSL_CTX_get_client_CA_list(ctx);
if (sk_X509_NAME_num(ca_list) == 0) {
ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s,
"Init: Oops, you want to request client "
"authentication, but no CAs are known for "
"verification!? [Hint: SSLCACertificate*]");
}
}
void
tls_ctx_load_ca (struct tls_root_ctx *ctx, const char *ca_file,
const char *ca_file_inline,
const char *ca_path, bool tls_server
)
{
STACK_OF(X509_INFO) *info_stack = NULL;
STACK_OF(X509_NAME) *cert_names = NULL;
X509_LOOKUP *lookup = NULL;
X509_STORE *store = NULL;
X509_NAME *xn = NULL;
BIO *in = NULL;
int i, added = 0;
ASSERT(NULL != ctx);
store = SSL_CTX_get_cert_store(ctx->ctx);
if (!store)
msg(M_SSLERR, "Cannot get certificate store (SSL_CTX_get_cert_store)");
/* Try to add certificates and CRLs from ca_file */
if (ca_file)
{
if (!strcmp (ca_file, INLINE_FILE_TAG) && ca_file_inline)
in = BIO_new_mem_buf ((char *)ca_file_inline, -1);
else
in = BIO_new_file (ca_file, "r");
if (in)
info_stack = PEM_X509_INFO_read_bio (in, NULL, NULL, NULL);
if (info_stack)
{
for (i = 0; i < sk_X509_INFO_num (info_stack); i++)
{
X509_INFO *info = sk_X509_INFO_value (info_stack, i);
if (info->crl)
X509_STORE_add_crl (store, info->crl);
if (info->x509)
{
X509_STORE_add_cert (store, info->x509);
added++;
if (!tls_server)
continue;
/* Use names of CAs as a client CA list */
if (cert_names == NULL)
{
cert_names = sk_X509_NAME_new (sk_x509_name_cmp);
if (!cert_names)
continue;
}
xn = X509_get_subject_name (info->x509);
if (!xn)
continue;
/* Don't add duplicate CA names */
if (sk_X509_NAME_find (cert_names, xn) == -1)
{
xn = X509_NAME_dup (xn);
if (!xn)
continue;
sk_X509_NAME_push (cert_names, xn);
}
}
}
sk_X509_INFO_pop_free (info_stack, X509_INFO_free);
}
if (tls_server)
SSL_CTX_set_client_CA_list (ctx->ctx, cert_names);
if (!added || (tls_server && sk_X509_NAME_num (cert_names) != added))
msg (M_SSLERR, "Cannot load CA certificate file %s", np(ca_file));
if (in)
BIO_free (in);
}
/* Set a store for certs (CA & CRL) with a lookup on the "capath" hash directory */
if (ca_path)
{
lookup = X509_STORE_add_lookup (store, X509_LOOKUP_hash_dir ());
if (lookup && X509_LOOKUP_add_dir (lookup, ca_path, X509_FILETYPE_PEM))
msg(M_WARN, "WARNING: experimental option --capath %s", ca_path);
else
msg(M_SSLERR, "Cannot add lookup at --capath %s", ca_path);
#if OPENSSL_VERSION_NUMBER >= 0x00907000L
X509_STORE_set_flags (store, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
#else
msg(M_WARN, "WARNING: this version of OpenSSL cannot handle CRL files in capath");
#endif
}
}
/**
* Initializes a ssl connection for server use.
* @param pemfilename Filename for the key/cert file
* @return An ssl connection, or NULL if an error occured.
*/
ssl_server_connection *init_ssl_server(char *pemfile, char *clientpemfile) {
SSL_METHOD *server_method = NULL;
ssl_server_connection *ssl_server;
ASSERT(pemfile);
if (!ssl_initialized)
start_ssl();
ssl_server = new_ssl_server_connection(pemfile, clientpemfile);
#ifdef OPENSSL_FIPS
if (FIPS_mode())
server_method = TLSv1_server_method();
else
#endif
server_method = SSLv23_server_method();
if (!(ssl_server->method = server_method)) {
LogError("%s: Cannot initialize the SSL method -- %s\n", prog, SSLERROR);
goto sslerror;
}
if (!(ssl_server->ctx = SSL_CTX_new(ssl_server->method))) {
LogError("%s: Cannot initialize SSL server certificate handler -- %s\n", prog, SSLERROR);
goto sslerror;
}
if (SSL_CTX_use_certificate_chain_file(ssl_server->ctx, pemfile) != 1) {
LogError("%s: Cannot initialize SSL server certificate -- %s\n", prog, SSLERROR);
goto sslerror;
}
if (SSL_CTX_use_PrivateKey_file(ssl_server->ctx, pemfile, SSL_FILETYPE_PEM) != 1) {
LogError("%s: Cannot initialize SSL server private key -- %s\n", prog, SSLERROR);
goto sslerror;
}
if (SSL_CTX_check_private_key(ssl_server->ctx) != 1) {
LogError("%s: The private key doesn't match the certificate public key -- %s\n", prog, SSLERROR);
goto sslerror;
}
/* Disable session cache */
SSL_CTX_set_session_cache_mode(ssl_server->ctx, SSL_SESS_CACHE_OFF);
/*
* We need this to force transmission of client certs
*/
if (!verify_init(ssl_server)) {
LogError("%s: Verification engine was not properly initialized -- %s\n", prog, SSLERROR);
goto sslerror;
}
if (ssl_server->clientpemfile) {
STACK_OF(X509_NAME) *stack = SSL_CTX_get_client_CA_list(ssl_server->ctx);
LogInfo("%s: Found %d client certificates\n", prog, sk_X509_NAME_num(stack));
}
return ssl_server;
sslerror:
delete_ssl_server_socket(ssl_server);
return NULL;
}
static void
print_stuff(BIO * bio, SSL * s, int full)
{
X509 *peer = NULL;
char *p;
static const char *space = " ";
char buf[BUFSIZ];
STACK_OF(X509) * sk;
STACK_OF(X509_NAME) * sk2;
const SSL_CIPHER *c;
X509_NAME *xn;
int j, i;
unsigned char *exportedkeymat;
if (full) {
int got_a_chain = 0;
sk = SSL_get_peer_cert_chain(s);
if (sk != NULL) {
got_a_chain = 1; /* we don't have it for SSL2
* (yet) */
BIO_printf(bio, "---\nCertificate chain\n");
for (i = 0; i < sk_X509_num(sk); i++) {
X509_NAME_oneline(X509_get_subject_name(
sk_X509_value(sk, i)), buf, sizeof buf);
BIO_printf(bio, "%2d s:%s\n", i, buf);
X509_NAME_oneline(X509_get_issuer_name(
sk_X509_value(sk, i)), buf, sizeof buf);
BIO_printf(bio, " i:%s\n", buf);
if (c_showcerts)
PEM_write_bio_X509(bio, sk_X509_value(sk, i));
}
}
BIO_printf(bio, "---\n");
peer = SSL_get_peer_certificate(s);
if (peer != NULL) {
BIO_printf(bio, "Server certificate\n");
if (!(c_showcerts && got_a_chain)) /* Redundant if we
* showed the whole
* chain */
PEM_write_bio_X509(bio, peer);
X509_NAME_oneline(X509_get_subject_name(peer),
buf, sizeof buf);
BIO_printf(bio, "subject=%s\n", buf);
X509_NAME_oneline(X509_get_issuer_name(peer),
buf, sizeof buf);
BIO_printf(bio, "issuer=%s\n", buf);
} else
BIO_printf(bio, "no peer certificate available\n");
sk2 = SSL_get_client_CA_list(s);
if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
xn = sk_X509_NAME_value(sk2, i);
X509_NAME_oneline(xn, buf, sizeof(buf));
BIO_write(bio, buf, strlen(buf));
BIO_write(bio, "\n", 1);
}
} else {
BIO_printf(bio, "---\nNo client certificate CA names sent\n");
}
p = SSL_get_shared_ciphers(s, buf, sizeof buf);
if (p != NULL) {
/*
* This works only for SSL 2. In later protocol
* versions, the client does not know what other
* ciphers (in addition to the one to be used in the
* current connection) the server supports.
*/
BIO_printf(bio, "---\nCiphers common between both SSL endpoints:\n");
j = i = 0;
while (*p) {
if (*p == ':') {
BIO_write(bio, space, 15 - j % 25);
i++;
j = 0;
BIO_write(bio, ((i % 3) ? " " : "\n"), 1);
} else {
BIO_write(bio, p, 1);
j++;
}
p++;
}
BIO_write(bio, "\n", 1);
}
BIO_printf(bio, "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
BIO_number_read(SSL_get_rbio(s)),
BIO_number_written(SSL_get_wbio(s)));
}
BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
c = SSL_get_current_cipher(s);
BIO_printf(bio, "%s, Cipher is %s\n",
SSL_CIPHER_get_version(c),
SSL_CIPHER_get_name(c));
if (peer != NULL) {
EVP_PKEY *pktmp;
pktmp = X509_get_pubkey(peer);
BIO_printf(bio, "Server public key is %d bit\n",
EVP_PKEY_bits(pktmp));
EVP_PKEY_free(pktmp);
}
BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
/* Compression is not supported and will always be none. */
BIO_printf(bio, "Compression: NONE\n");
BIO_printf(bio, "Expansion: NONE\n");
#ifdef SSL_DEBUG
{
/* Print out local port of connection: useful for debugging */
int sock;
struct sockaddr_in ladd;
socklen_t ladd_size = sizeof(ladd);
sock = SSL_get_fd(s);
getsockname(sock, (struct sockaddr *) & ladd, &ladd_size);
BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
}
#endif
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
if (next_proto.status != -1) {
const unsigned char *proto;
unsigned int proto_len;
SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
BIO_write(bio, proto, proto_len);
BIO_write(bio, "\n", 1);
}
#endif
#ifndef OPENSSL_NO_SRTP
{
SRTP_PROTECTION_PROFILE *srtp_profile = SSL_get_selected_srtp_profile(s);
if (srtp_profile)
BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
srtp_profile->name);
}
#endif
SSL_SESSION_print(bio, SSL_get_session(s));
if (keymatexportlabel != NULL) {
BIO_printf(bio, "Keying material exporter:\n");
BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
exportedkeymat = malloc(keymatexportlen);
if (exportedkeymat != NULL) {
if (!SSL_export_keying_material(s, exportedkeymat,
keymatexportlen,
keymatexportlabel,
strlen(keymatexportlabel),
NULL, 0, 0)) {
BIO_printf(bio, " Error\n");
} else {
BIO_printf(bio, " Keying material: ");
for (i = 0; i < keymatexportlen; i++)
BIO_printf(bio, "%02X",
exportedkeymat[i]);
BIO_printf(bio, "\n");
}
free(exportedkeymat);
}
}
BIO_printf(bio, "---\n");
if (peer != NULL)
X509_free(peer);
/* flush, or debugging output gets mixed with http response */
(void) BIO_flush(bio);
}
int verify_init(SERVICE_OPTIONS *section) {
STACK_OF(X509_NAME) *ca_dn;
char *ca_name;
int i;
if(section->verify_level<0)
return 0; /* OK - no certificate verification */
if(section->verify_level>=2 && !section->ca_file && !section->ca_dir) {
s_log(LOG_ERR,
"Either CApath or CAfile has to be used for authentication");
return 1; /* FAILED */
}
section->revocation_store=X509_STORE_new();
if(!section->revocation_store) {
sslerror("X509_STORE_new");
return 1; /* FAILED */
}
if(section->ca_file) {
if(!SSL_CTX_load_verify_locations(section->ctx,
section->ca_file, NULL)) {
s_log(LOG_ERR, "Error loading verify certificates from %s",
section->ca_file);
sslerror("SSL_CTX_load_verify_locations");
return 1; /* FAILED */
}
/* revocation store needs CA certificates for CRL validation */
if(load_file_lookup(section->revocation_store, section->ca_file))
return 1; /* FAILED */
/* trusted CA names sent to clients for client cert selection */
if(!section->option.client) { /* only performed on server */
s_log(LOG_DEBUG, "Client CA list: %s",
section->ca_file);
ca_dn=SSL_load_client_CA_file(section->ca_file);
for (i=0; i<sk_X509_NAME_num(ca_dn); ++i) {
ca_name=X509_NAME2text(sk_X509_NAME_value(ca_dn, i));
s_log(LOG_INFO, "Client CA: %s", ca_name);
str_free(ca_name);
}
SSL_CTX_set_client_CA_list(section->ctx, ca_dn);
}
}
if(section->ca_dir) {
if(!SSL_CTX_load_verify_locations(section->ctx,
NULL, section->ca_dir)) {
s_log(LOG_ERR, "Error setting verify directory to %s",
section->ca_dir);
sslerror("SSL_CTX_load_verify_locations");
return 1; /* FAILED */
}
s_log(LOG_DEBUG, "Verify directory set to %s", section->ca_dir);
add_dir_lookup(section->revocation_store, section->ca_dir);
}
if(section->crl_file)
if(load_file_lookup(section->revocation_store, section->crl_file))
return 1; /* FAILED */
if(section->crl_dir) {
section->revocation_store->cache=0; /* don't cache CRLs */
add_dir_lookup(section->revocation_store, section->crl_dir);
}
SSL_CTX_set_verify(section->ctx, SSL_VERIFY_PEER |
(section->verify_level>=2 ? SSL_VERIFY_FAIL_IF_NO_PEER_CERT : 0),
verify_callback);
if(section->ca_dir && section->verify_level>=3)
s_log(LOG_INFO, "Peer certificate location %s", section->ca_dir);
return 0; /* OK */
}
