149 lines
6.4 KiB
C
149 lines
6.4 KiB
C
/*
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2009-2019 Olof Hagsand
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Copyright (C) 2020-2022 Olof Hagsand and Rubicon Communications, LLC(Netgate)
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This file is part of CLIXON.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 3 or later (the "GPL"),
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in which case the provisions of the GPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of the GPL, and not to allow others to
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use your version of this file under the terms of Apache License version 2,
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indicate your decision by deleting the provisions above and replace them with
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the notice and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the Apache License version 2 or the GPL.
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***** END LICENSE BLOCK *****
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*
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* 1 1
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* +--------------------+ restconf_handle_get +--------------------+
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* | rh restconf_handle | <--------------------- | h clicon_handle |
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* +--------------------+ +--------------------+
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* common SSL config \ ^
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* \ | n
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* \ rh_sockets +--------------------+
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* +-----------> | rs restconf_socket |
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* +--------------------+
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* n per-socket SSL config
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* +--------------------+
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* | rr restconf_request| per-packet
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* +--------------------+
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*
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _RESTCONF_NATIVE_H_
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#define _RESTCONF_NATIVE_H_
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/*
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* Types
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*/
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/* Forward */
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struct restconf_conn;
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/* session stream struct, mainly for http/2 but http/1 has a single pseudo-stream with id=0
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*/
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typedef struct {
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qelem_t sd_qelem; /* List header */
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int32_t sd_stream_id;
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int sd_fd; /* XXX Is this used? */
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cvec *sd_outp_hdrs; /* List of output headers */
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cbuf *sd_outp_buf; /* Output buffer */
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cbuf *sd_body; /* http output body as cbuf terminated with \r\n */
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size_t sd_body_len; /* Content-Length, note for HEAD body body can be NULL and this non-zero */
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size_t sd_body_offset; /* Offset into body */
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cbuf *sd_indata; /* Receive/input data */
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char *sd_path; /* Uri path, uri-encoded, without args (eg ?) */
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uint16_t sd_code; /* If != 0 send a reply XXX: need reply flag? */
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struct restconf_conn *sd_conn; /* Backpointer to connection this stream is part of */
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restconf_http_proto sd_proto; /* http protocol XXX not sure this is needed */
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cvec *sd_qvec; /* Query parameters, ie ?a=b&c=d */
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void *sd_req; /* Lib-specific request, eg evhtp_request_t * */
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int sd_upgrade2; /* Upgrade to http/2 */
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uint8_t *sd_settings2; /* Settings for upgrade to http/2 request */
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} restconf_stream_data;
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/* Restconf connection handle
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* Per connection request
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*/
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typedef struct restconf_conn {
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// qelem_t rs_qelem; /* List header */
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size_t rc_bufferevent_output_offset; /* Kludge to drain libevent output buffer */
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restconf_http_proto rc_proto; /* HTTP protocol: http/1 or http/2 */
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int rc_s; /* Connection socket */
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clicon_handle rc_h; /* Clixon handle */
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SSL *rc_ssl; /* Structure for SSL connection */
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restconf_stream_data *rc_streams; /* List of http/2 session streams */
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int rc_exit; /* Set to close socket server-side (NYI) */
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/* Decision to keep lib-specific data here, otherwise new struct necessary
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* drawback is specific includes need to go everywhere */
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#ifdef HAVE_LIBEVHTP
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evhtp_connection_t *rc_evconn;
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#endif
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#ifdef HAVE_LIBNGHTTP2
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nghttp2_session *rc_ngsession; /* XXX Not sure it is needed */
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#endif
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} restconf_conn;
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/* Restconf per socket handle
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*/
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typedef struct {
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qelem_t rs_qelem; /* List header */
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clicon_handle rs_h; /* Clixon handle */
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int rs_ss; /* Server socket (ready for accept) */
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int rs_ssl; /* 0: Not SSL socket, 1:SSL socket */
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char *rs_addrtype; /* Address type according to ietf-inet-types:
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eg inet:ipv4-address or inet:ipv6-address */
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char *rs_addrstr; /* Address as string, eg 127.0.0.1, ::1 */
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uint16_t rs_port; /* Protocol port */
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} restconf_socket;
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/* Restconf handle
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* Global data about ssl (not per packet/request)
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*/
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typedef struct {
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SSL_CTX *rh_ctx; /* SSL context */
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restconf_socket *rh_sockets; /* List of restconf server (ready for accept) sockets */
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void *rh_arg; /* Packet specific handle (eg evhtp) */
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} restconf_native_handle;
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/*
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* Prototypes
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*/
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restconf_stream_data *restconf_stream_data_new(restconf_conn *rc, int32_t stream_id);
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restconf_stream_data *restconf_stream_find(restconf_conn *rc, int32_t id);
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int restconf_stream_free(restconf_stream_data *sd);
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restconf_conn *restconf_conn_new(clicon_handle h, int s);
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int restconf_conn_free(restconf_conn *rc);
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int ssl_x509_name_oneline(SSL *ssl, char **oneline);
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int restconf_close_ssl_socket(restconf_conn *rc, int shutdown); /* XXX in restconf_main_native.c */
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int restconf_connection_sanity(clicon_handle h, restconf_conn *rc, restconf_stream_data *sd);
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#endif /* _RESTCONF_NATIVE_H_ */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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