312 lines
8.3 KiB
C++
312 lines
8.3 KiB
C++
/*
|
|
* Copyright (c)2013-2021 ZeroTier, Inc.
|
|
*
|
|
* Use of this software is governed by the Business Source License included
|
|
* in the LICENSE.TXT file in the project's root directory.
|
|
*
|
|
* Change Date: 2025-01-01
|
|
*
|
|
* On the date above, in accordance with the Business Source License, use
|
|
* of this software will be governed by version 2.0 of the Apache License.
|
|
*/
|
|
/****/
|
|
|
|
#ifndef ZT_CENTRAL_H
|
|
#define ZT_CENTRAL_H
|
|
|
|
#ifdef ZTS_ENABLE_CENTRAL_API
|
|
|
|
#include <stdio.h>
|
|
#include <curl/curl.h>
|
|
#include <string.h>
|
|
#include <iomanip>
|
|
#include <iostream>
|
|
|
|
#include "Mutex.hpp"
|
|
#include "Debug.hpp"
|
|
#include "ZeroTierSockets.h"
|
|
|
|
char api_url[ZTS_CENRTAL_MAX_URL_LEN];
|
|
char api_token[ZTS_CENTRAL_TOKEN_LEN+1];
|
|
|
|
char *_resp_buf;
|
|
int _resp_buf_len;
|
|
int _resp_buf_offset;
|
|
|
|
static int8_t _access_modes;
|
|
static int8_t _bIsVerbose;
|
|
static int8_t _bInit;
|
|
|
|
using namespace ZeroTier;
|
|
|
|
Mutex _responseBuffer_m;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
size_t on_data(void *buffer, size_t size, size_t nmemb, void *userp)
|
|
{
|
|
DEBUG_INFO("buf=%p,size=%zu,nmemb=%zu,userp=%p", buffer, size, nmemb, userp);
|
|
int byte_count = (size * nmemb);
|
|
if (_resp_buf_offset + byte_count >= _resp_buf_len) {
|
|
DEBUG_ERROR("Out of buffer space. Cannot store response from server");
|
|
return 0; // Signal to libcurl that our buffer is full (triggers a write error.)
|
|
}
|
|
memcpy(_resp_buf+_resp_buf_offset, buffer, byte_count);
|
|
_resp_buf_offset += byte_count;
|
|
return byte_count;
|
|
}
|
|
|
|
void zts_central_set_access_mode(int8_t modes)
|
|
{
|
|
_access_modes = modes;
|
|
}
|
|
|
|
void zts_central_set_verbose(int8_t is_verbose)
|
|
{
|
|
_bIsVerbose = is_verbose;
|
|
}
|
|
|
|
void zts_central_clear_resp_buf()
|
|
{
|
|
Mutex::Lock _l(_responseBuffer_m);
|
|
memset(_resp_buf, 0, _resp_buf_len);
|
|
_resp_buf_offset = 0;
|
|
}
|
|
|
|
int zts_central_init(
|
|
const char *url_str, const char *token_str, char *resp_buf, uint32_t resp_buf_len)
|
|
{
|
|
_access_modes = ZTS_CENTRAL_READ; // Defauly read-only
|
|
_bIsVerbose = 0; // Default disable libcurl verbose output
|
|
Mutex::Lock _l(_responseBuffer_m);
|
|
if (resp_buf_len == 0) {
|
|
return ZTS_ERR_ARG;
|
|
}
|
|
_resp_buf = resp_buf;
|
|
_resp_buf_len = resp_buf_len;
|
|
_resp_buf_offset = 0;
|
|
// Initialize all curl internal submodules
|
|
curl_global_init(CURL_GLOBAL_ALL);
|
|
|
|
int url_len = strlen(url_str);
|
|
if (url_len < 3 || url_len > ZTS_CENRTAL_MAX_URL_LEN) {
|
|
return ZTS_ERR_ARG;
|
|
} else {
|
|
memset(api_url, 0, ZTS_CENRTAL_MAX_URL_LEN);
|
|
memcpy(api_url, url_str, url_len);
|
|
}
|
|
int token_len = strlen(token_str);
|
|
if (token_len != ZTS_CENTRAL_TOKEN_LEN) {
|
|
return ZTS_ERR_ARG;
|
|
} else {
|
|
memset(api_token, 0, ZTS_CENTRAL_TOKEN_LEN);
|
|
memcpy(api_token, token_str, token_len);
|
|
}
|
|
_bInit = true;
|
|
return ZTS_ERR_OK;
|
|
}
|
|
|
|
void zts_central_cleanup()
|
|
{
|
|
curl_global_cleanup();
|
|
}
|
|
|
|
int _central_req(int request_type, char *central_str,
|
|
char *api_route_str, char *token_str, int *response_code, char *post_data)
|
|
{
|
|
int err = ZTS_ERR_OK;
|
|
if (!_bInit) {
|
|
DEBUG_ERROR("Error: Central API must be initialized first. Call zts_central_init()");
|
|
return ZTS_ERR_SERVICE;
|
|
}
|
|
if (request_type == ZTS_HTTP_GET && !(_access_modes & ZTS_CENTRAL_READ)) {
|
|
DEBUG_ERROR("Error: Incorrect access mode. Need (ZTS_CENTRAL_READ) permission");
|
|
return ZTS_ERR_SERVICE;
|
|
}
|
|
if (request_type == ZTS_HTTP_POST && !(_access_modes & ZTS_CENTRAL_WRITE)) {
|
|
DEBUG_ERROR("Error: Incorrect access mode. Need (ZTS_CENTRAL_WRITE) permission");
|
|
return ZTS_ERR_SERVICE;
|
|
}
|
|
zts_central_clear_resp_buf();
|
|
int central_strlen = strlen(central_str);
|
|
int api_route_strlen = strlen(api_route_str);
|
|
int token_strlen = strlen(token_str);
|
|
int url_len = central_strlen + api_route_strlen;
|
|
if (token_strlen > ZTS_CENTRAL_TOKEN_LEN) {
|
|
return ZTS_ERR_ARG;
|
|
}
|
|
if (url_len > ZTS_CENRTAL_MAX_URL_LEN) {
|
|
return ZTS_ERR_ARG;
|
|
}
|
|
char req_url[ZTS_CENRTAL_MAX_URL_LEN];
|
|
strcpy(req_url, central_str);
|
|
strcat(req_url, api_route_str);
|
|
|
|
CURL *curl;
|
|
CURLcode res;
|
|
curl = curl_easy_init();
|
|
if (!curl) {
|
|
return ZTS_ERR_GENERAL;
|
|
}
|
|
|
|
struct curl_slist *hs=NULL;
|
|
char auth_str[ZTS_CENTRAL_TOKEN_LEN + 32];
|
|
if (token_strlen == ZTS_CENTRAL_TOKEN_LEN) {
|
|
memset(auth_str, 0, ZTS_CENTRAL_TOKEN_LEN + 32);
|
|
sprintf(auth_str, "Authorization: Bearer %s", token_str);
|
|
}
|
|
|
|
hs = curl_slist_append(hs, auth_str);
|
|
hs = curl_slist_append(hs, "Content-Type: application/json");
|
|
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, hs);
|
|
curl_easy_setopt(curl, CURLOPT_URL, req_url);
|
|
// example.com is redirected, so we tell libcurl to follow redirection
|
|
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
|
|
if (_bIsVerbose) {
|
|
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
|
|
}
|
|
// Tell curl to use our write function
|
|
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, on_data);
|
|
|
|
if (request_type == ZTS_HTTP_GET) {
|
|
// Nothing
|
|
DEBUG_INFO("Request (GET) = %s", api_route_str);
|
|
}
|
|
if (request_type == ZTS_HTTP_POST) {
|
|
DEBUG_INFO("Request (POST) = %s", api_route_str);
|
|
if (post_data) {
|
|
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post_data);
|
|
}
|
|
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
|
|
}
|
|
if (request_type == ZTS_HTTP_DELETE) {
|
|
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "DELETE");
|
|
}
|
|
//curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1L); // Consider 400-500 series code as failures
|
|
// Perform request
|
|
res = curl_easy_perform(curl);
|
|
if(res == CURLE_OK) {
|
|
//char* url;
|
|
double elapsed_time = 0.0;
|
|
long hrc = 0;
|
|
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &hrc);
|
|
curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &elapsed_time);
|
|
DEBUG_INFO("Req. took %f second(s). HTTP code (%ld)", elapsed_time, hrc);
|
|
*response_code = hrc;
|
|
//curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &url);
|
|
} else {
|
|
DEBUG_ERROR("%s", curl_easy_strerror(res));
|
|
err = ZTS_ERR_SERVICE;
|
|
}
|
|
curl_easy_cleanup(curl);
|
|
return err;
|
|
}
|
|
|
|
int zts_get_last_resp_buf(char *dest_buffer, int dest_buf_len)
|
|
{
|
|
if (dest_buf_len <= _resp_buf_offset) {
|
|
return ZTS_ERR_ARG;
|
|
}
|
|
int sz = dest_buf_len < _resp_buf_len ? dest_buf_len : _resp_buf_len;
|
|
memcpy(dest_buffer, _resp_buf, sz);
|
|
return ZTS_ERR_OK;
|
|
}
|
|
|
|
int zts_central_get_status(int *resp_code)
|
|
{
|
|
return _central_req(
|
|
ZTS_HTTP_GET, api_url, (char*)"/api/status", api_token, resp_code, NULL);
|
|
}
|
|
|
|
int zts_central_get_self(int *resp_code)
|
|
{
|
|
return _central_req(
|
|
ZTS_HTTP_GET, api_url, (char*)"/api/self", api_token, resp_code, NULL);
|
|
}
|
|
|
|
int zts_central_get_network(int *resp_code, uint64_t nwid)
|
|
{
|
|
char req[64];
|
|
sprintf(req, "/api/network/%llx", nwid);
|
|
return _central_req(
|
|
ZTS_HTTP_GET, api_url, req, api_token, resp_code, NULL);
|
|
}
|
|
|
|
int zts_central_update_network(int *resp_code, uint64_t nwid)
|
|
{
|
|
char req[64];
|
|
sprintf(req, "/api/network/%llx", nwid);
|
|
return _central_req(
|
|
ZTS_HTTP_POST, api_url, req, api_token, resp_code, NULL);
|
|
}
|
|
|
|
int zts_central_delete_network(int *resp_code, uint64_t nwid)
|
|
{
|
|
char req[64];
|
|
sprintf(req, "/api/network/%llx", nwid);
|
|
return _central_req(
|
|
ZTS_HTTP_DELETE, api_url, req, api_token, resp_code, NULL);
|
|
}
|
|
|
|
int zts_central_get_networks(int *resp_code)
|
|
{
|
|
return _central_req(
|
|
ZTS_HTTP_GET, api_url, (char*)"/api/network", api_token, resp_code, NULL);
|
|
}
|
|
|
|
int zts_central_get_member(int *resp_code, uint64_t nwid, uint64_t nodeid)
|
|
{
|
|
if (nwid == 0 || nodeid == 0) {
|
|
return ZTS_ERR_ARG;
|
|
}
|
|
char req[64];
|
|
sprintf(req, "/api/network/%llx/member/%llx", nwid, nodeid);
|
|
return _central_req(
|
|
ZTS_HTTP_GET, api_url, req, api_token, resp_code, NULL);
|
|
}
|
|
|
|
int zts_central_update_member(
|
|
int *resp_code, uint64_t nwid, uint64_t nodeid, char *post_data)
|
|
{
|
|
if (nwid == 0 || nodeid == 0 || post_data == NULL) {
|
|
return ZTS_ERR_ARG;
|
|
}
|
|
char req[64];
|
|
sprintf(req, "/api/network/%llx/member/%llx", nwid, nodeid);
|
|
return _central_req(
|
|
ZTS_HTTP_POST, api_url, req, api_token, resp_code, post_data);
|
|
}
|
|
|
|
int zts_central_set_node_auth(
|
|
int *resp_code, uint64_t nwid, uint64_t nodeid, uint8_t is_authed)
|
|
{
|
|
if (is_authed != 0 && is_authed != 1) {
|
|
return ZTS_ERR_ARG;
|
|
}
|
|
char config_data[64];
|
|
if (is_authed == ZTS_CENTRAL_NODE_AUTH_TRUE) {
|
|
sprintf(config_data, "{\"config\": {\"authorized\": true} }");
|
|
}
|
|
if (is_authed == ZTS_CENTRAL_NODE_AUTH_FALSE) {
|
|
sprintf(config_data, "{\"config\": {\"authorized\": false} }");
|
|
}
|
|
return zts_central_update_member(resp_code, nwid, nodeid, config_data);
|
|
}
|
|
|
|
int zts_central_get_members_of_network(int *resp_code, uint64_t nwid)
|
|
{
|
|
char req[64];
|
|
sprintf(req, "/api/network/%llx/member", nwid);
|
|
return _central_req(
|
|
ZTS_HTTP_GET, api_url, req, api_token, resp_code, NULL);
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
#endif // ZTS_ENABLE_CENTRAL_API
|
|
#endif // _H
|