Index: src/base.h =================================================================== --- src/base.h (Revision 1902) +++ src/base.h (Arbeitskopie) @@ -298,6 +298,11 @@ /* server wide */ buffer *ssl_pemfile; buffer *ssl_ca_file; + unsigned short ssl_verifyclient; + unsigned short ssl_verifyclient_enforce; + unsigned short ssl_verifyclient_depth; + buffer *ssl_verifyclient_username; + unsigned short use_ipv6; unsigned short is_ssl; unsigned short allow_http11; Index: src/network.c =================================================================== --- src/network.c (Revision 1902) +++ src/network.c (Arbeitskopie) @@ -497,6 +497,30 @@ ERR_error_string(ERR_get_error(), NULL), s->ssl_ca_file); return -1; } + if (s->ssl_verifyclient) { + STACK_OF(X509_NAME) *certs = SSL_load_client_CA_file(s->ssl_ca_file->ptr); + if (!certs) { + log_error_write(srv, __FILE__, __LINE__, "ssb", "SSL:", + ERR_error_string(ERR_get_error(), NULL), s->ssl_ca_file); + } + if (SSL_CTX_set_session_id_context(s->ssl_ctx, (unsigned const char*)CONST_BUF_LEN(host_token)) != 1) { + log_error_write(srv, __FILE__, __LINE__, "ss", "SSL:", + ERR_error_string(ERR_get_error(), NULL)); + return -1; + } + SSL_CTX_set_client_CA_list(s->ssl_ctx, certs); + SSL_CTX_set_verify( + s->ssl_ctx, + SSL_VERIFY_PEER | (s->ssl_verifyclient_enforce ? SSL_VERIFY_FAIL_IF_NO_PEER_CERT : 0), + NULL + ); + SSL_CTX_set_verify_depth(s->ssl_ctx, s->ssl_verifyclient_depth); + } + } else if (s->ssl_verifyclient) { + log_error_write( + srv, __FILE__, __LINE__, "s", + "SSL: You specified ssl.verifyclient.activate but no ca_file" + ); } if (SSL_CTX_use_certificate_file(s->ssl_ctx, s->ssl_pemfile->ptr, SSL_FILETYPE_PEM) < 0) { Index: src/configfile.c =================================================================== --- src/configfile.c (Revision 1902) +++ src/configfile.c (Arbeitskopie) @@ -97,6 +97,11 @@ { "server.max-read-threads", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 49 */ { "server.max-connection-idle", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 50 */ { "debug.log-timing", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 51 */ + + { "ssl.verifyclient.activate", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 52 */ + { "ssl.verifyclient.enforce", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 53 */ + { "ssl.verifyclient.depth", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 54 */ + { "ssl.verifyclient.username", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 55 */ { "server.host", "use server.bind instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { "server.docroot", "use server.document-root instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, @@ -180,6 +185,11 @@ s->global_kbytes_per_second = 0; s->global_bytes_per_second_cnt = 0; s->global_bytes_per_second_cnt_ptr = &s->global_bytes_per_second_cnt; + + s->ssl_verifyclient = 0; + s->ssl_verifyclient_enforce = 1; + s->ssl_verifyclient_username = buffer_init(); + s->ssl_verifyclient_depth = 9; cv[2].destination = s->errorfile_prefix; @@ -219,6 +229,12 @@ cv[40].destination = &(s->range_requests); cv[50].destination = &(s->max_connection_idle); + + /* ssl.verify */ + cv[52].destination = &(s->ssl_verifyclient); + cv[53].destination = &(s->ssl_verifyclient_enforce); + cv[54].destination = &(s->ssl_verifyclient_depth); + cv[55].destination = s->ssl_verifyclient_username; srv->config_storage[i] = s; @@ -289,6 +305,12 @@ PATCH(ssl_pemfile); PATCH(ssl_ca_file); + + PATCH(ssl_verifyclient); + PATCH(ssl_verifyclient_enforce); + PATCH(ssl_verifyclient_depth); + PATCH(ssl_verifyclient_username); + return 0; } @@ -370,6 +392,14 @@ PATCH(global_kbytes_per_second); PATCH(global_bytes_per_second_cnt); con->conf.global_bytes_per_second_cnt_ptr = &s->global_bytes_per_second_cnt; + } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.activate"))) { + PATCH(ssl_verifyclient); + } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.enforce"))) { + PATCH(ssl_verifyclient_enforce); + } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.depth"))) { + PATCH(ssl_verifyclient_depth); + } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.username"))) { + PATCH(ssl_verifyclient_username); } } } Index: src/response.c =================================================================== --- src/response.c (Revision 1902) +++ src/response.c (Arbeitskopie) @@ -132,8 +132,51 @@ return 0; } +#ifdef USE_OPENSSL +static void response_add_ssl_entries(connection *con) { + X509 *xs; + X509_NAME *xn; + X509_NAME_ENTRY *xe; + if ( + SSL_get_verify_result(con->sock->ssl) != X509_V_OK + || !(xs = SSL_get_peer_certificate(con->sock->ssl)) + ) { + return; + } + + xn = X509_get_subject_name(xs); + for (int i = 0, nentries = X509_NAME_entry_count(xn); i < nentries; ++i) { + int xobjnid; + const char * xobjsn; + data_string *envds; + + if (!(xe = X509_NAME_get_entry(xn, i))) { + continue; + } + xobjnid = OBJ_obj2nid((ASN1_OBJECT*)X509_NAME_ENTRY_get_object(xe)); + xobjsn = OBJ_nid2sn(xobjnid); + if (!xobjsn) { + continue; + } + + if (NULL == (envds = (data_string *)array_get_unused_element(con->environment, TYPE_STRING))) { + envds = data_string_init(); + } + buffer_copy_string_len(envds->key, CONST_STR_LEN("SSL_CLIENT_S_DN_")); + buffer_append_string(envds->key, xobjsn); + buffer_copy_string( + envds->value, + (const char *)xe->value->data + ); + if (buffer_is_equal(con->conf.ssl_verifyclient_username, envds->key)) { + buffer_copy_string_buffer(con->authed_user, envds->value); + } + array_insert_unique(con->environment, (data_unset *)envds); + } + X509_free(xs); +} +#endif - handler_t handle_get_backend(server *srv, connection *con) { handler_t r; @@ -232,6 +275,13 @@ if (srv->sockets_disabled) { con->keep_alive = 0; } + + /* handle client cert validation */ +#ifdef USE_OPENSSL + if (con->conf.is_ssl && con->conf.ssl_verifyclient) { + response_add_ssl_entries(con); + } +#endif /** Index: src/server.c =================================================================== --- src/server.c (Revision 1902) +++ src/server.c (Arbeitskopie) @@ -294,6 +294,7 @@ buffer_free(s->error_handler); buffer_free(s->errorfile_prefix); array_free(s->mimetypes); + buffer_free(s->ssl_verifyclient_username); free(s); }