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web_api_v1.c
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// SPDX-License-Identifier: GPL-3.0-or-later
#include "web_api_v1.h"
char *api_secret;
static struct {
const char *name;
uint32_t hash;
RRDR_OPTIONS value;
} api_v1_data_options[] = {
{ "nonzero" , 0 , RRDR_OPTION_NONZERO}
, {"flip" , 0 , RRDR_OPTION_REVERSED}
, {"reversed" , 0 , RRDR_OPTION_REVERSED}
, {"reverse" , 0 , RRDR_OPTION_REVERSED}
, {"jsonwrap" , 0 , RRDR_OPTION_JSON_WRAP}
, {"min2max" , 0 , RRDR_OPTION_MIN2MAX}
, {"ms" , 0 , RRDR_OPTION_MILLISECONDS}
, {"milliseconds" , 0 , RRDR_OPTION_MILLISECONDS}
, {"abs" , 0 , RRDR_OPTION_ABSOLUTE}
, {"absolute" , 0 , RRDR_OPTION_ABSOLUTE}
, {"absolute_sum" , 0 , RRDR_OPTION_ABSOLUTE}
, {"absolute-sum" , 0 , RRDR_OPTION_ABSOLUTE}
, {"display_absolute", 0 , RRDR_OPTION_DISPLAY_ABS}
, {"display-absolute", 0 , RRDR_OPTION_DISPLAY_ABS}
, {"seconds" , 0 , RRDR_OPTION_SECONDS}
, {"null2zero" , 0 , RRDR_OPTION_NULL2ZERO}
, {"objectrows" , 0 , RRDR_OPTION_OBJECTSROWS}
, {"google_json" , 0 , RRDR_OPTION_GOOGLE_JSON}
, {"google-json" , 0 , RRDR_OPTION_GOOGLE_JSON}
, {"percentage" , 0 , RRDR_OPTION_PERCENTAGE}
, {"unaligned" , 0 , RRDR_OPTION_NOT_ALIGNED}
, {"match_ids" , 0 , RRDR_OPTION_MATCH_IDS}
, {"match-ids" , 0 , RRDR_OPTION_MATCH_IDS}
, {"match_names" , 0 , RRDR_OPTION_MATCH_NAMES}
, {"match-names" , 0 , RRDR_OPTION_MATCH_NAMES}
, {"showcustomvars" , 0 , RRDR_OPTION_CUSTOM_VARS}
, {"allow_past" , 0 , RRDR_OPTION_ALLOW_PAST}
, { NULL, 0, 0}
};
static struct {
const char *name;
uint32_t hash;
uint32_t value;
} api_v1_data_formats[] = {
{ DATASOURCE_FORMAT_DATATABLE_JSON , 0 , DATASOURCE_DATATABLE_JSON}
, {DATASOURCE_FORMAT_DATATABLE_JSONP, 0 , DATASOURCE_DATATABLE_JSONP}
, {DATASOURCE_FORMAT_JSON , 0 , DATASOURCE_JSON}
, {DATASOURCE_FORMAT_JSONP , 0 , DATASOURCE_JSONP}
, {DATASOURCE_FORMAT_SSV , 0 , DATASOURCE_SSV}
, {DATASOURCE_FORMAT_CSV , 0 , DATASOURCE_CSV}
, {DATASOURCE_FORMAT_TSV , 0 , DATASOURCE_TSV}
, {"tsv-excel" , 0 , DATASOURCE_TSV}
, {DATASOURCE_FORMAT_HTML , 0 , DATASOURCE_HTML}
, {DATASOURCE_FORMAT_JS_ARRAY , 0 , DATASOURCE_JS_ARRAY}
, {DATASOURCE_FORMAT_SSV_COMMA , 0 , DATASOURCE_SSV_COMMA}
, {DATASOURCE_FORMAT_CSV_JSON_ARRAY , 0 , DATASOURCE_CSV_JSON_ARRAY}
, {DATASOURCE_FORMAT_CSV_MARKDOWN , 0 , DATASOURCE_CSV_MARKDOWN}
, { NULL, 0, 0}
};
static struct {
const char *name;
uint32_t hash;
uint32_t value;
} api_v1_data_google_formats[] = {
// this is not error - when google requests json, it expects javascript
// https://developers.google.com/chart/interactive/docs/dev/implementing_data_source#responseformat
{ "json" , 0 , DATASOURCE_DATATABLE_JSONP}
, {"html" , 0 , DATASOURCE_HTML}
, {"csv" , 0 , DATASOURCE_CSV}
, {"tsv-excel", 0 , DATASOURCE_TSV}
, { NULL, 0, 0}
};
void web_client_api_v1_init(void) {
int i;
for(i = 0; api_v1_data_options[i].name ; i++)
api_v1_data_options[i].hash = simple_hash(api_v1_data_options[i].name);
for(i = 0; api_v1_data_formats[i].name ; i++)
api_v1_data_formats[i].hash = simple_hash(api_v1_data_formats[i].name);
for(i = 0; api_v1_data_google_formats[i].name ; i++)
api_v1_data_google_formats[i].hash = simple_hash(api_v1_data_google_formats[i].name);
web_client_api_v1_init_grouping();
uuid_t uuid;
// generate
uuid_generate(uuid);
// unparse (to string)
char uuid_str[37];
uuid_unparse_lower(uuid, uuid_str);
}
char *get_mgmt_api_key(void) {
char filename[FILENAME_MAX + 1];
snprintfz(filename, FILENAME_MAX, "%s/netdata.api.key", netdata_configured_varlib_dir);
char *api_key_filename=config_get(CONFIG_SECTION_REGISTRY, "netdata management api key file", filename);
static char guid[GUID_LEN + 1] = "";
if(likely(guid[0]))
return guid;
// read it from disk
int fd = open(api_key_filename, O_RDONLY);
if(fd != -1) {
char buf[GUID_LEN + 1];
if(read(fd, buf, GUID_LEN) != GUID_LEN)
error("Failed to read management API key from '%s'", api_key_filename);
else {
buf[GUID_LEN] = '\0';
if(regenerate_guid(buf, guid) == -1) {
error("Failed to validate management API key '%s' from '%s'.",
buf, api_key_filename);
guid[0] = '\0';
}
}
close(fd);
}
// generate a new one?
if(!guid[0]) {
uuid_t uuid;
uuid_generate_time(uuid);
uuid_unparse_lower(uuid, guid);
guid[GUID_LEN] = '\0';
// save it
fd = open(api_key_filename, O_WRONLY|O_CREAT|O_TRUNC, 444);
if(fd == -1)
fatal("Cannot create unique management API key file '%s'. Please fix this.", api_key_filename);
if(write(fd, guid, GUID_LEN) != GUID_LEN)
fatal("Cannot write the unique management API key file '%s'. Please fix this.", api_key_filename);
close(fd);
}
return guid;
}
void web_client_api_v1_management_init(void) {
api_secret = get_mgmt_api_key();
}
inline uint32_t web_client_api_request_v1_data_options(char *o) {
uint32_t ret = 0x00000000;
char *tok;
while(o && *o && (tok = mystrsep(&o, ", |"))) {
if(!*tok) continue;
uint32_t hash = simple_hash(tok);
int i;
for(i = 0; api_v1_data_options[i].name ; i++) {
if (unlikely(hash == api_v1_data_options[i].hash && !strcmp(tok, api_v1_data_options[i].name))) {
ret |= api_v1_data_options[i].value;
break;
}
}
}
return ret;
}
inline uint32_t web_client_api_request_v1_data_format(char *name) {
uint32_t hash = simple_hash(name);
int i;
for(i = 0; api_v1_data_formats[i].name ; i++) {
if (unlikely(hash == api_v1_data_formats[i].hash && !strcmp(name, api_v1_data_formats[i].name))) {
return api_v1_data_formats[i].value;
}
}
return DATASOURCE_JSON;
}
inline uint32_t web_client_api_request_v1_data_google_format(char *name) {
uint32_t hash = simple_hash(name);
int i;
for(i = 0; api_v1_data_google_formats[i].name ; i++) {
if (unlikely(hash == api_v1_data_google_formats[i].hash && !strcmp(name, api_v1_data_google_formats[i].name))) {
return api_v1_data_google_formats[i].value;
}
}
return DATASOURCE_JSON;
}
int web_client_api_request_v1_alarms_select (char *url) {
int all = 0;
while(url) {
char *value = mystrsep(&url, "&");
if (!value || !*value) continue;
if(!strcmp(value, "all")) all = 1;
else if(!strcmp(value, "active")) all = 0;
}
return all;
}
inline int web_client_api_request_v1_alarms(RRDHOST *host, struct web_client *w, char *url) {
int all = web_client_api_request_v1_alarms_select(url);
buffer_flush(w->response.data);
w->response.data->contenttype = CT_APPLICATION_JSON;
health_alarms2json(host, w->response.data, all);
buffer_no_cacheable(w->response.data);
return HTTP_RESP_OK;
}
inline int web_client_api_request_v1_alarms_values(RRDHOST *host, struct web_client *w, char *url) {
int all = web_client_api_request_v1_alarms_select(url);
buffer_flush(w->response.data);
w->response.data->contenttype = CT_APPLICATION_JSON;
health_alarms_values2json(host, w->response.data, all);
buffer_no_cacheable(w->response.data);
return HTTP_RESP_OK;
}
inline int web_client_api_request_v1_alarm_count(RRDHOST *host, struct web_client *w, char *url) {
RRDCALC_STATUS status = RRDCALC_STATUS_RAISED;
BUFFER *contexts = NULL;
buffer_flush(w->response.data);
buffer_sprintf(w->response.data, "[");
while(url) {
char *value = mystrsep(&url, "&");
if(!value || !*value) continue;
char *name = mystrsep(&value, "=");
if(!name || !*name) continue;
if(!value || !*value) continue;
debug(D_WEB_CLIENT, "%llu: API v1 alarm_count query param '%s' with value '%s'", w->id, name, value);
char* p = value;
if(!strcmp(name, "status")) {
while ((*p = toupper(*p))) p++;
if (!strcmp("CRITICAL", value)) status = RRDCALC_STATUS_CRITICAL;
else if (!strcmp("WARNING", value)) status = RRDCALC_STATUS_WARNING;
else if (!strcmp("UNINITIALIZED", value)) status = RRDCALC_STATUS_UNINITIALIZED;
else if (!strcmp("UNDEFINED", value)) status = RRDCALC_STATUS_UNDEFINED;
else if (!strcmp("REMOVED", value)) status = RRDCALC_STATUS_REMOVED;
else if (!strcmp("CLEAR", value)) status = RRDCALC_STATUS_CLEAR;
}
else if(!strcmp(name, "context") || !strcmp(name, "ctx")) {
if(!contexts) contexts = buffer_create(255);
buffer_strcat(contexts, "|");
buffer_strcat(contexts, value);
}
}
health_aggregate_alarms(host, w->response.data, contexts, status);
buffer_sprintf(w->response.data, "]\n");
w->response.data->contenttype = CT_APPLICATION_JSON;
buffer_no_cacheable(w->response.data);
buffer_free(contexts);
return 200;
}
inline int web_client_api_request_v1_alarm_log(RRDHOST *host, struct web_client *w, char *url) {
uint32_t after = 0;
while(url) {
char *value = mystrsep(&url, "&");
if (!value || !*value) continue;
char *name = mystrsep(&value, "=");
if(!name || !*name) continue;
if(!value || !*value) continue;
if(!strcmp(name, "after")) after = (uint32_t)strtoul(value, NULL, 0);
}
buffer_flush(w->response.data);
w->response.data->contenttype = CT_APPLICATION_JSON;
health_alarm_log2json(host, w->response.data, after);
return HTTP_RESP_OK;
}
inline int web_client_api_request_single_chart(RRDHOST *host, struct web_client *w, char *url, void callback(RRDSET *st, BUFFER *buf)) {
int ret = HTTP_RESP_BAD_REQUEST;
char *chart = NULL;
buffer_flush(w->response.data);
while(url) {
char *value = mystrsep(&url, "&");
if(!value || !*value) continue;
char *name = mystrsep(&value, "=");
if(!name || !*name) continue;
if(!value || !*value) continue;
// name and value are now the parameters
// they are not null and not empty
if(!strcmp(name, "chart")) chart = value;
//else {
/// buffer_sprintf(w->response.data, "Unknown parameter '%s' in request.", name);
// goto cleanup;
//}
}
if(!chart || !*chart) {
buffer_sprintf(w->response.data, "No chart id is given at the request.");
goto cleanup;
}
RRDSET *st = rrdset_find(host, chart);
if(!st) st = rrdset_find_byname(host, chart);
if(!st) {
buffer_strcat(w->response.data, "Chart is not found: ");
buffer_strcat_htmlescape(w->response.data, chart);
ret = HTTP_RESP_NOT_FOUND;
goto cleanup;
}
w->response.data->contenttype = CT_APPLICATION_JSON;
st->last_accessed_time = now_realtime_sec();
callback(st, w->response.data);
return HTTP_RESP_OK;
cleanup:
return ret;
}
inline int web_client_api_request_v1_alarm_variables(RRDHOST *host, struct web_client *w, char *url) {
return web_client_api_request_single_chart(host, w, url, health_api_v1_chart_variables2json);
}
inline int web_client_api_request_v1_charts(RRDHOST *host, struct web_client *w, char *url) {
(void)url;
buffer_flush(w->response.data);
w->response.data->contenttype = CT_APPLICATION_JSON;
charts2json(host, w->response.data, 0, 0);
return HTTP_RESP_OK;
}
inline int web_client_api_request_v1_archivedcharts(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
(void)url;
buffer_flush(w->response.data);
w->response.data->contenttype = CT_APPLICATION_JSON;
#ifdef ENABLE_DBENGINE
if (host->rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE)
sql_rrdset2json(host, w->response.data);
#endif
return HTTP_RESP_OK;
}
inline int web_client_api_request_v1_chart(RRDHOST *host, struct web_client *w, char *url) {
return web_client_api_request_single_chart(host, w, url, rrd_stats_api_v1_chart);
}
void fix_google_param(char *s) {
if(unlikely(!s)) return;
for( ; *s ;s++) {
if(!isalnum(*s) && *s != '.' && *s != '_' && *s != '-')
*s = '_';
}
}
// returns the HTTP code
inline int web_client_api_request_v1_data(RRDHOST *host, struct web_client *w, char *url) {
debug(D_WEB_CLIENT, "%llu: API v1 data with URL '%s'", w->id, url);
int ret = HTTP_RESP_BAD_REQUEST;
BUFFER *dimensions = NULL;
buffer_flush(w->response.data);
char *google_version = "0.6",
*google_reqId = "0",
*google_sig = "0",
*google_out = "json",
*responseHandler = NULL,
*outFileName = NULL;
time_t last_timestamp_in_data = 0, google_timestamp = 0;
char *chart = NULL
, *before_str = NULL
, *after_str = NULL
, *group_time_str = NULL
, *points_str = NULL
, *context = NULL
, *chart_label_key = NULL;
int group = RRDR_GROUPING_AVERAGE;
uint32_t format = DATASOURCE_JSON;
uint32_t options = 0x00000000;
while(url) {
char *value = mystrsep(&url, "&");
if(!value || !*value) continue;
char *name = mystrsep(&value, "=");
if(!name || !*name) continue;
if(!value || !*value) continue;
debug(D_WEB_CLIENT, "%llu: API v1 data query param '%s' with value '%s'", w->id, name, value);
// name and value are now the parameters
// they are not null and not empty
if(!strcmp(name, "context")) context = value;
else if(!strcmp(name, "chart_label_key")) chart_label_key = value;
else if(!strcmp(name, "chart")) chart = value;
else if(!strcmp(name, "dimension") || !strcmp(name, "dim") || !strcmp(name, "dimensions") || !strcmp(name, "dims")) {
if(!dimensions) dimensions = buffer_create(100);
buffer_strcat(dimensions, "|");
buffer_strcat(dimensions, value);
}
else if(!strcmp(name, "after")) after_str = value;
else if(!strcmp(name, "before")) before_str = value;
else if(!strcmp(name, "points")) points_str = value;
else if(!strcmp(name, "gtime")) group_time_str = value;
else if(!strcmp(name, "group")) {
group = web_client_api_request_v1_data_group(value, RRDR_GROUPING_AVERAGE);
}
else if(!strcmp(name, "format")) {
format = web_client_api_request_v1_data_format(value);
}
else if(!strcmp(name, "options")) {
options |= web_client_api_request_v1_data_options(value);
}
else if(!strcmp(name, "callback")) {
responseHandler = value;
}
else if(!strcmp(name, "filename")) {
outFileName = value;
}
else if(!strcmp(name, "tqx")) {
// parse Google Visualization API options
// https://developers.google.com/chart/interactive/docs/dev/implementing_data_source
char *tqx_name, *tqx_value;
while(value) {
tqx_value = mystrsep(&value, ";");
if(!tqx_value || !*tqx_value) continue;
tqx_name = mystrsep(&tqx_value, ":");
if(!tqx_name || !*tqx_name) continue;
if(!tqx_value || !*tqx_value) continue;
if(!strcmp(tqx_name, "version"))
google_version = tqx_value;
else if(!strcmp(tqx_name, "reqId"))
google_reqId = tqx_value;
else if(!strcmp(tqx_name, "sig")) {
google_sig = tqx_value;
google_timestamp = strtoul(google_sig, NULL, 0);
}
else if(!strcmp(tqx_name, "out")) {
google_out = tqx_value;
format = web_client_api_request_v1_data_google_format(google_out);
}
else if(!strcmp(tqx_name, "responseHandler"))
responseHandler = tqx_value;
else if(!strcmp(tqx_name, "outFileName"))
outFileName = tqx_value;
}
}
}
// validate the google parameters given
fix_google_param(google_out);
fix_google_param(google_sig);
fix_google_param(google_reqId);
fix_google_param(google_version);
fix_google_param(responseHandler);
fix_google_param(outFileName);
RRDSET *st = NULL;
if((!chart || !*chart) && (!context)) {
buffer_sprintf(w->response.data, "No chart id is given at the request.");
goto cleanup;
}
struct context_param *context_param_list = NULL;
if (context && !chart) {
RRDSET *st1;
uint32_t context_hash = simple_hash(context);
rrdhost_rdlock(host);
rrdset_foreach_read(st1, host) {
if (st1->hash_context == context_hash && !strcmp(st1->context, context) &&
(!chart_label_key || rrdset_contains_label_keylist(st1, chart_label_key)))
build_context_param_list(&context_param_list, st1);
}
rrdhost_unlock(host);
if (likely(context_param_list && context_param_list->rd)) // Just set the first one
st = context_param_list->rd->rrdset;
}
else {
st = rrdset_find(host, chart);
if (!st)
st = rrdset_find_byname(host, chart);
if (likely(st))
st->last_accessed_time = now_realtime_sec();
}
if (!st && !context_param_list) {
if (context && !chart) {
if (!chart_label_key) {
buffer_strcat(w->response.data, "Context is not found: ");
buffer_strcat_htmlescape(w->response.data, context);
} else {
buffer_strcat(w->response.data, "Context: ");
buffer_strcat_htmlescape(w->response.data, context);
buffer_strcat(w->response.data, " or chart label key: ");
buffer_strcat_htmlescape(w->response.data, chart_label_key);
buffer_strcat(w->response.data, " not found");
}
}
else {
buffer_strcat(w->response.data, "Chart is not found: ");
buffer_strcat_htmlescape(w->response.data, chart);
}
ret = HTTP_RESP_NOT_FOUND;
goto cleanup;
}
long long before = (before_str && *before_str)?str2l(before_str):0;
long long after = (after_str && *after_str) ?str2l(after_str):-600;
int points = (points_str && *points_str)?str2i(points_str):0;
long group_time = (group_time_str && *group_time_str)?str2l(group_time_str):0;
debug(D_WEB_CLIENT, "%llu: API command 'data' for chart '%s', dimensions '%s', after '%lld', before '%lld', points '%d', group '%d', format '%u', options '0x%08x'"
, w->id
, chart
, (dimensions)?buffer_tostring(dimensions):""
, after
, before
, points
, group
, format
, options
);
if(outFileName && *outFileName) {
buffer_sprintf(w->response.header, "Content-Disposition: attachment; filename=\"%s\"\r\n", outFileName);
debug(D_WEB_CLIENT, "%llu: generating outfilename header: '%s'", w->id, outFileName);
}
if(format == DATASOURCE_DATATABLE_JSONP) {
if(responseHandler == NULL)
responseHandler = "google.visualization.Query.setResponse";
debug(D_WEB_CLIENT_ACCESS, "%llu: GOOGLE JSON/JSONP: version = '%s', reqId = '%s', sig = '%s', out = '%s', responseHandler = '%s', outFileName = '%s'",
w->id, google_version, google_reqId, google_sig, google_out, responseHandler, outFileName
);
buffer_sprintf(w->response.data,
"%s({version:'%s',reqId:'%s',status:'ok',sig:'%ld',table:",
responseHandler, google_version, google_reqId, st->last_updated.tv_sec);
}
else if(format == DATASOURCE_JSONP) {
if(responseHandler == NULL)
responseHandler = "callback";
buffer_strcat(w->response.data, responseHandler);
buffer_strcat(w->response.data, "(");
}
ret = rrdset2anything_api_v1(st, w->response.data, dimensions, format, points, after, before, group, group_time
, options, &last_timestamp_in_data, context_param_list, chart_label_key);
free_context_param_list(&context_param_list);
if(format == DATASOURCE_DATATABLE_JSONP) {
if(google_timestamp < last_timestamp_in_data)
buffer_strcat(w->response.data, "});");
else {
// the client already has the latest data
buffer_flush(w->response.data);
buffer_sprintf(w->response.data,
"%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'not_modified',message:'Data not modified'}]});",
responseHandler, google_version, google_reqId);
}
}
else if(format == DATASOURCE_JSONP)
buffer_strcat(w->response.data, ");");
cleanup:
buffer_free(dimensions);
return ret;
}
// Pings a netdata server:
// /api/v1/registry?action=hello
//
// Access to a netdata registry:
// /api/v1/registry?action=access&machine=${machine_guid}&name=${hostname}&url=${url}
//
// Delete from a netdata registry:
// /api/v1/registry?action=delete&machine=${machine_guid}&name=${hostname}&url=${url}&delete_url=${delete_url}
//
// Search for the URLs of a machine:
// /api/v1/registry?action=search&machine=${machine_guid}&name=${hostname}&url=${url}&for=${machine_guid}
//
// Impersonate:
// /api/v1/registry?action=switch&machine=${machine_guid}&name=${hostname}&url=${url}&to=${new_person_guid}
inline int web_client_api_request_v1_registry(RRDHOST *host, struct web_client *w, char *url) {
static uint32_t hash_action = 0, hash_access = 0, hash_hello = 0, hash_delete = 0, hash_search = 0,
hash_switch = 0, hash_machine = 0, hash_url = 0, hash_name = 0, hash_delete_url = 0, hash_for = 0,
hash_to = 0 /*, hash_redirects = 0 */;
if(unlikely(!hash_action)) {
hash_action = simple_hash("action");
hash_access = simple_hash("access");
hash_hello = simple_hash("hello");
hash_delete = simple_hash("delete");
hash_search = simple_hash("search");
hash_switch = simple_hash("switch");
hash_machine = simple_hash("machine");
hash_url = simple_hash("url");
hash_name = simple_hash("name");
hash_delete_url = simple_hash("delete_url");
hash_for = simple_hash("for");
hash_to = simple_hash("to");
/*
hash_redirects = simple_hash("redirects");
*/
}
char person_guid[GUID_LEN + 1] = "";
debug(D_WEB_CLIENT, "%llu: API v1 registry with URL '%s'", w->id, url);
// TODO
// The browser may send multiple cookies with our id
char *cookie = strstr(w->response.data->buffer, NETDATA_REGISTRY_COOKIE_NAME "=");
if(cookie)
strncpyz(person_guid, &cookie[sizeof(NETDATA_REGISTRY_COOKIE_NAME)], 36);
char action = '\0';
char *machine_guid = NULL,
*machine_url = NULL,
*url_name = NULL,
*search_machine_guid = NULL,
*delete_url = NULL,
*to_person_guid = NULL;
/*
int redirects = 0;
*/
// Don't cache registry responses
buffer_no_cacheable(w->response.data);
while(url) {
char *value = mystrsep(&url, "&");
if (!value || !*value) continue;
char *name = mystrsep(&value, "=");
if (!name || !*name) continue;
if (!value || !*value) continue;
debug(D_WEB_CLIENT, "%llu: API v1 registry query param '%s' with value '%s'", w->id, name, value);
uint32_t hash = simple_hash(name);
if(hash == hash_action && !strcmp(name, "action")) {
uint32_t vhash = simple_hash(value);
if(vhash == hash_access && !strcmp(value, "access")) action = 'A';
else if(vhash == hash_hello && !strcmp(value, "hello")) action = 'H';
else if(vhash == hash_delete && !strcmp(value, "delete")) action = 'D';
else if(vhash == hash_search && !strcmp(value, "search")) action = 'S';
else if(vhash == hash_switch && !strcmp(value, "switch")) action = 'W';
#ifdef NETDATA_INTERNAL_CHECKS
else error("unknown registry action '%s'", value);
#endif /* NETDATA_INTERNAL_CHECKS */
}
/*
else if(hash == hash_redirects && !strcmp(name, "redirects"))
redirects = atoi(value);
*/
else if(hash == hash_machine && !strcmp(name, "machine"))
machine_guid = value;
else if(hash == hash_url && !strcmp(name, "url"))
machine_url = value;
else if(action == 'A') {
if(hash == hash_name && !strcmp(name, "name"))
url_name = value;
}
else if(action == 'D') {
if(hash == hash_delete_url && !strcmp(name, "delete_url"))
delete_url = value;
}
else if(action == 'S') {
if(hash == hash_for && !strcmp(name, "for"))
search_machine_guid = value;
}
else if(action == 'W') {
if(hash == hash_to && !strcmp(name, "to"))
to_person_guid = value;
}
#ifdef NETDATA_INTERNAL_CHECKS
else error("unused registry URL parameter '%s' with value '%s'", name, value);
#endif /* NETDATA_INTERNAL_CHECKS */
}
if(unlikely(respect_web_browser_do_not_track_policy && web_client_has_donottrack(w))) {
buffer_flush(w->response.data);
buffer_sprintf(w->response.data, "Your web browser is sending 'DNT: 1' (Do Not Track). The registry requires persistent cookies on your browser to work.");
return HTTP_RESP_BAD_REQUEST;
}
if(unlikely(action == 'H')) {
// HELLO request, dashboard ACL
if(unlikely(!web_client_can_access_dashboard(w)))
return web_client_permission_denied(w);
}
else {
// everything else, registry ACL
if(unlikely(!web_client_can_access_registry(w)))
return web_client_permission_denied(w);
}
switch(action) {
case 'A':
if(unlikely(!machine_guid || !machine_url || !url_name)) {
error("Invalid registry request - access requires these parameters: machine ('%s'), url ('%s'), name ('%s')", machine_guid ? machine_guid : "UNSET", machine_url ? machine_url : "UNSET", url_name ? url_name : "UNSET");
buffer_flush(w->response.data);
buffer_strcat(w->response.data, "Invalid registry Access request.");
return HTTP_RESP_BAD_REQUEST;
}
web_client_enable_tracking_required(w);
return registry_request_access_json(host, w, person_guid, machine_guid, machine_url, url_name, now_realtime_sec());
case 'D':
if(unlikely(!machine_guid || !machine_url || !delete_url)) {
error("Invalid registry request - delete requires these parameters: machine ('%s'), url ('%s'), delete_url ('%s')", machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", delete_url?delete_url:"UNSET");
buffer_flush(w->response.data);
buffer_strcat(w->response.data, "Invalid registry Delete request.");
return HTTP_RESP_BAD_REQUEST;
}
web_client_enable_tracking_required(w);
return registry_request_delete_json(host, w, person_guid, machine_guid, machine_url, delete_url, now_realtime_sec());
case 'S':
if(unlikely(!machine_guid || !machine_url || !search_machine_guid)) {
error("Invalid registry request - search requires these parameters: machine ('%s'), url ('%s'), for ('%s')", machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", search_machine_guid?search_machine_guid:"UNSET");
buffer_flush(w->response.data);
buffer_strcat(w->response.data, "Invalid registry Search request.");
return HTTP_RESP_BAD_REQUEST;
}
web_client_enable_tracking_required(w);
return registry_request_search_json(host, w, person_guid, machine_guid, machine_url, search_machine_guid, now_realtime_sec());
case 'W':
if(unlikely(!machine_guid || !machine_url || !to_person_guid)) {
error("Invalid registry request - switching identity requires these parameters: machine ('%s'), url ('%s'), to ('%s')", machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", to_person_guid?to_person_guid:"UNSET");
buffer_flush(w->response.data);
buffer_strcat(w->response.data, "Invalid registry Switch request.");
return HTTP_RESP_BAD_REQUEST;
}
web_client_enable_tracking_required(w);
return registry_request_switch_json(host, w, person_guid, machine_guid, machine_url, to_person_guid, now_realtime_sec());
case 'H':
return registry_request_hello_json(host, w);
default:
buffer_flush(w->response.data);
buffer_strcat(w->response.data, "Invalid registry request - you need to set an action: hello, access, delete, search");
return HTTP_RESP_BAD_REQUEST;
}
}
static inline void web_client_api_request_v1_info_summary_alarm_statuses(RRDHOST *host, BUFFER *wb) {
int alarm_normal = 0, alarm_warn = 0, alarm_crit = 0;
RRDCALC *rc;
rrdhost_rdlock(host);
for(rc = host->alarms; rc ; rc = rc->next) {
if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec))
continue;
switch(rc->status) {
case RRDCALC_STATUS_WARNING:
alarm_warn++;
break;
case RRDCALC_STATUS_CRITICAL:
alarm_crit++;
break;
default:
alarm_normal++;
}
}
rrdhost_unlock(host);
buffer_sprintf(wb, "\t\t\"normal\": %d,\n", alarm_normal);
buffer_sprintf(wb, "\t\t\"warning\": %d,\n", alarm_warn);
buffer_sprintf(wb, "\t\t\"critical\": %d\n", alarm_crit);
}
static inline void web_client_api_request_v1_info_mirrored_hosts(BUFFER *wb) {
RRDHOST *host;
int count = 0;
buffer_strcat(wb, "\t\"mirrored_hosts\": [\n");
rrd_rdlock();
rrdhost_foreach_read(host) {
if (rrdhost_flag_check(host, RRDHOST_FLAG_ARCHIVED))
continue;
if (count > 0)
buffer_strcat(wb, ",\n");
buffer_sprintf(wb, "\t\t\"%s\"", host->hostname);
count++;
}
buffer_strcat(wb, "\n\t],\n\t\"mirrored_hosts_status\": [\n");
count = 0;
rrdhost_foreach_read(host)
{
if (rrdhost_flag_check(host, RRDHOST_FLAG_ARCHIVED))
continue;
if (count > 0)
buffer_strcat(wb, ",\n");
netdata_mutex_lock(&host->receiver_lock);
buffer_sprintf(
wb, "\t\t{ \"guid\": \"%s\", \"reachable\": %s, \"claim_id\": ", host->machine_guid,
(host->receiver || host == localhost) ? "true" : "false");
netdata_mutex_unlock(&host->receiver_lock);
rrdhost_aclk_state_lock(host);
if (host->aclk_state.claimed_id)
buffer_sprintf(wb, "\"%s\" }", host->aclk_state.claimed_id);
else
buffer_strcat(wb, "null }");
rrdhost_aclk_state_unlock(host);
count++;
}
rrd_unlock();
buffer_strcat(wb, "\n\t],\n");
}
inline void host_labels2json(RRDHOST *host, BUFFER *wb, size_t indentation) {
char tabs[11];
if (indentation > 10)
indentation = 10;
tabs[0] = '\0';
while (indentation) {
strcat(tabs, "\t");
indentation--;
}
int count = 0;
rrdhost_rdlock(host);
netdata_rwlock_rdlock(&host->labels.labels_rwlock);
for (struct label *label = host->labels.head; label; label = label->next) {
if(count > 0) buffer_strcat(wb, ",\n");
buffer_strcat(wb, tabs);
char value[CONFIG_MAX_VALUE * 2 + 1];
sanitize_json_string(value, label->value, CONFIG_MAX_VALUE * 2);
buffer_sprintf(wb, "\"%s\": \"%s\"", label->key, value);
count++;
}
buffer_strcat(wb, "\n");
netdata_rwlock_unlock(&host->labels.labels_rwlock);
rrdhost_unlock(host);
}
extern int aclk_connected;
inline int web_client_api_request_v1_info_fill_buffer(RRDHOST *host, BUFFER *wb)
{
buffer_strcat(wb, "{\n");
buffer_sprintf(wb, "\t\"version\": \"%s\",\n", host->program_version);
buffer_sprintf(wb, "\t\"uid\": \"%s\",\n", host->machine_guid);
web_client_api_request_v1_info_mirrored_hosts(wb);
buffer_strcat(wb, "\t\"alarms\": {\n");
web_client_api_request_v1_info_summary_alarm_statuses(host, wb);
buffer_strcat(wb, "\t},\n");
buffer_sprintf(wb, "\t\"os_name\": \"%s\",\n", (host->system_info->host_os_name) ? host->system_info->host_os_name : "");
buffer_sprintf(wb, "\t\"os_id\": \"%s\",\n", (host->system_info->host_os_id) ? host->system_info->host_os_id : "");
buffer_sprintf(wb, "\t\"os_id_like\": \"%s\",\n", (host->system_info->host_os_id_like) ? host->system_info->host_os_id_like : "");
buffer_sprintf(wb, "\t\"os_version\": \"%s\",\n", (host->system_info->host_os_version) ? host->system_info->host_os_version : "");
buffer_sprintf(wb, "\t\"os_version_id\": \"%s\",\n", (host->system_info->host_os_version_id) ? host->system_info->host_os_version_id : "");
buffer_sprintf(wb, "\t\"os_detection\": \"%s\",\n", (host->system_info->host_os_detection) ? host->system_info->host_os_detection : "");
buffer_sprintf(wb, "\t\"cores_total\": \"%s\",\n", (host->system_info->host_cores) ? host->system_info->host_cores : "");
buffer_sprintf(wb, "\t\"total_disk_space\": \"%s\",\n", (host->system_info->host_disk_space) ? host->system_info->host_disk_space : "");
buffer_sprintf(wb, "\t\"cpu_freq\": \"%s\",\n", (host->system_info->host_cpu_freq) ? host->system_info->host_cpu_freq : "");
buffer_sprintf(wb, "\t\"ram_total\": \"%s\",\n", (host->system_info->host_ram_total) ? host->system_info->host_ram_total : "");
if (host->system_info->container_os_name)
buffer_sprintf(wb, "\t\"container_os_name\": \"%s\",\n", host->system_info->container_os_name);
if (host->system_info->container_os_id)
buffer_sprintf(wb, "\t\"container_os_id\": \"%s\",\n", host->system_info->container_os_id);
if (host->system_info->container_os_id_like)
buffer_sprintf(wb, "\t\"container_os_id_like\": \"%s\",\n", host->system_info->container_os_id_like);
if (host->system_info->container_os_version)
buffer_sprintf(wb, "\t\"container_os_version\": \"%s\",\n", host->system_info->container_os_version);
if (host->system_info->container_os_version_id)
buffer_sprintf(wb, "\t\"container_os_version_id\": \"%s\",\n", host->system_info->container_os_version_id);
if (host->system_info->container_os_detection)
buffer_sprintf(wb, "\t\"container_os_detection\": \"%s\",\n", host->system_info->container_os_detection);
if (host->system_info->is_k8s_node)
buffer_sprintf(wb, "\t\"is_k8s_node\": \"%s\",\n", host->system_info->is_k8s_node);
buffer_sprintf(wb, "\t\"kernel_name\": \"%s\",\n", (host->system_info->kernel_name) ? host->system_info->kernel_name : "");
buffer_sprintf(wb, "\t\"kernel_version\": \"%s\",\n", (host->system_info->kernel_version) ? host->system_info->kernel_version : "");
buffer_sprintf(wb, "\t\"architecture\": \"%s\",\n", (host->system_info->architecture) ? host->system_info->architecture : "");
buffer_sprintf(wb, "\t\"virtualization\": \"%s\",\n", (host->system_info->virtualization) ? host->system_info->virtualization : "");
buffer_sprintf(wb, "\t\"virt_detection\": \"%s\",\n", (host->system_info->virt_detection) ? host->system_info->virt_detection : "");
buffer_sprintf(wb, "\t\"container\": \"%s\",\n", (host->system_info->container) ? host->system_info->container : "");
buffer_sprintf(wb, "\t\"container_detection\": \"%s\",\n", (host->system_info->container_detection) ? host->system_info->container_detection : "");
buffer_strcat(wb, "\t\"host_labels\": {\n");
host_labels2json(host, wb, 2);
buffer_strcat(wb, "\t},\n");
buffer_strcat(wb, "\t\"collectors\": [");
chartcollectors2json(host, wb);
buffer_strcat(wb, "\n\t],\n");
#ifdef DISABLE_CLOUD
buffer_strcat(wb, "\t\"cloud-enabled\": false,\n");
#else
buffer_sprintf(wb, "\t\"cloud-enabled\": %s,\n",
appconfig_get_boolean(&cloud_config, CONFIG_SECTION_GLOBAL, "enabled", 1) ? "true" : "false");
#endif
#ifdef ENABLE_ACLK
buffer_strcat(wb, "\t\"cloud-available\": true,\n");
#else
buffer_strcat(wb, "\t\"cloud-available\": false,\n");
#endif
char *agent_id = is_agent_claimed();
if (agent_id == NULL)
buffer_strcat(wb, "\t\"agent-claimed\": false,\n");
else {
buffer_strcat(wb, "\t\"agent-claimed\": true,\n");
freez(agent_id);
}
#ifdef ENABLE_ACLK
if (aclk_connected)
buffer_strcat(wb, "\t\"aclk-available\": true\n");
else
#endif
buffer_strcat(wb, "\t\"aclk-available\": false\n"); // Intentionally valid with/without #ifdef above
buffer_strcat(wb, "}");
return 0;
}
inline int web_client_api_request_v1_info(RRDHOST *host, struct web_client *w, char *url) {
(void)url;
if (!netdata_ready) return HTTP_RESP_BACKEND_FETCH_FAILED;
BUFFER *wb = w->response.data;
buffer_flush(wb);
wb->contenttype = CT_APPLICATION_JSON;
web_client_api_request_v1_info_fill_buffer(host, wb);
buffer_no_cacheable(wb);
return HTTP_RESP_OK;
}
static struct api_command {
const char *command;
uint32_t hash;