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SSL: loading of connection-specific certificates.

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This commit is contained in:
Maxim Dounin 2019-02-25 16:41:44 +03:00
parent 20c8700ae7
commit 9ff7ba3d00
2 changed files with 78 additions and 0 deletions
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74
src/event/ngx_event_openssl.c
View File

@ -528,6 +528,77 @@ ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
}
ngx_int_t
ngx_ssl_connection_certificate(ngx_connection_t *c, ngx_pool_t *pool,
ngx_str_t *cert, ngx_str_t *key, ngx_array_t *passwords)
{
char *err;
X509 *x509;
EVP_PKEY *pkey;
STACK_OF(X509) *chain;
x509 = ngx_ssl_load_certificate(pool, &err, cert, &chain);
if (x509 == NULL) {
if (err != NULL) {
ngx_ssl_error(NGX_LOG_ERR, c->log, 0,
"cannot load certificate \"%s\": %s",
cert->data, err);
}
return NGX_ERROR;
}
if (SSL_use_certificate(c->ssl->connection, x509) == 0) {
ngx_ssl_error(NGX_LOG_ERR, c->log, 0,
"SSL_use_certificate(\"%s\") failed", cert->data);
X509_free(x509);
sk_X509_pop_free(chain, X509_free);
return NGX_ERROR;
}
X509_free(x509);
#ifdef SSL_set0_chain
/*
* SSL_set0_chain() is only available in OpenSSL 1.0.2+,
* but this function is only called via certificate callback,
* which is only available in OpenSSL 1.0.2+ as well
*/
if (SSL_set0_chain(c->ssl->connection, chain) == 0) {
ngx_ssl_error(NGX_LOG_ERR, c->log, 0,
"SSL_set0_chain(\"%s\") failed", cert->data);
sk_X509_pop_free(chain, X509_free);
return NGX_ERROR;
}
#endif
pkey = ngx_ssl_load_certificate_key(pool, &err, key, passwords);
if (pkey == NULL) {
if (err != NULL) {
ngx_ssl_error(NGX_LOG_ERR, c->log, 0,
"cannot load certificate key \"%s\": %s",
key->data, err);
}
return NGX_ERROR;
}
if (SSL_use_PrivateKey(c->ssl->connection, pkey) == 0) {
ngx_ssl_error(NGX_LOG_ERR, c->log, 0,
"SSL_use_PrivateKey(\"%s\") failed", key->data);
EVP_PKEY_free(pkey);
return NGX_ERROR;
}
EVP_PKEY_free(pkey);
return NGX_OK;
}
static X509 *
ngx_ssl_load_certificate(ngx_pool_t *pool, char **err, ngx_str_t *cert,
STACK_OF(X509) **chain)
@ -2747,6 +2818,9 @@ ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
#ifdef SSL_R_INAPPROPRIATE_FALLBACK
|| n == SSL_R_INAPPROPRIATE_FALLBACK /* 373 */
#endif
#ifdef SSL_R_CERT_CB_ERROR
|| n == SSL_R_CERT_CB_ERROR /* 377 */
#endif
#ifdef SSL_R_VERSION_TOO_LOW
|| n == SSL_R_VERSION_TOO_LOW /* 396 */
#endif

4
src/event/ngx_event_openssl.h
View File

@ -161,10 +161,14 @@ typedef struct {
ngx_int_t ngx_ssl_init(ngx_log_t *log);
ngx_int_t ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data);
ngx_int_t ngx_ssl_certificates(ngx_conf_t *cf, ngx_ssl_t *ssl,
ngx_array_t *certs, ngx_array_t *keys, ngx_array_t *passwords);
ngx_int_t ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl,
ngx_str_t *cert, ngx_str_t *key, ngx_array_t *passwords);
ngx_int_t ngx_ssl_connection_certificate(ngx_connection_t *c, ngx_pool_t *pool,
ngx_str_t *cert, ngx_str_t *key, ngx_array_t *passwords);
ngx_int_t ngx_ssl_ciphers(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *ciphers,
ngx_uint_t prefer_server_ciphers);
ngx_int_t ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl,