| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #include "claim.h" |
| 4 | |
| 5 | #include "registry/registry.h" |
| 6 | |
| 7 | #include <curl/curl.h> |
| 8 | #include <openssl/evp.h> |
| 9 | #include <openssl/pem.h> |
| 10 | #include <openssl/err.h> |
| 11 | |
| 12 | #define CLAIM_RESPONSE_SIZE_LIMIT (10 * 1024 * 1024) |
| 13 | |
| 14 | struct claim_response_buffer { |
| 15 | BUFFER *wb; |
| 16 | bool too_large; |
| 17 | }; |
| 18 | |
| 19 | static bool check_and_generate_certificates() { |
| 20 | FILE *fp; |
| 21 | EVP_PKEY *pkey = NULL; |
| 22 | EVP_PKEY_CTX *pctx = NULL; |
| 23 | |
| 24 | CLEAN_CHAR_P *private_key_file = filename_from_path_entry_strdupz(netdata_configured_cloud_dir, "private.pem"); |
| 25 | CLEAN_CHAR_P *public_key_file = filename_from_path_entry_strdupz(netdata_configured_cloud_dir, "public.pem"); |
| 26 | |
| 27 | // Check if private key exists |
| 28 | fp = fopen(public_key_file, "r"); |
| 29 | if (fp) { |
| 30 | fclose(fp); |
| 31 | return true; |
| 32 | } |
| 33 | |
| 34 | // Generate the RSA key |
| 35 | pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_RSA, NULL); |
| 36 | if (!pctx) { |
| 37 | claim_agent_failure_reason_set("Cannot generate RSA key, EVP_PKEY_CTX_new_id() failed"); |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | if (EVP_PKEY_keygen_init(pctx) <= 0) { |
| 42 | claim_agent_failure_reason_set("Cannot generate RSA key, EVP_PKEY_keygen_init() failed"); |
| 43 | EVP_PKEY_CTX_free(pctx); |
| 44 | return false; |
| 45 | } |
| 46 | |
| 47 | if (EVP_PKEY_CTX_set_rsa_keygen_bits(pctx, 2048) <= 0) { |
| 48 | claim_agent_failure_reason_set("Cannot generate RSA key, EVP_PKEY_CTX_set_rsa_keygen_bits() failed"); |
| 49 | EVP_PKEY_CTX_free(pctx); |
| 50 | return false; |
| 51 | } |
| 52 | |
| 53 | if (EVP_PKEY_keygen(pctx, &pkey) <= 0) { |
| 54 | claim_agent_failure_reason_set("Cannot generate RSA key, EVP_PKEY_keygen() failed"); |
| 55 | EVP_PKEY_CTX_free(pctx); |
| 56 | return false; |
| 57 | } |
| 58 | |
| 59 | EVP_PKEY_CTX_free(pctx); |
| 60 | |
| 61 | // Save private key |
| 62 | fp = fopen(private_key_file, "wb"); |
| 63 | if (!fp || !PEM_write_PrivateKey(fp, pkey, NULL, NULL, 0, NULL, NULL)) { |
| 64 | claim_agent_failure_reason_set("Cannot write private key file: %s", private_key_file); |
| 65 | if (fp) fclose(fp); |
| 66 | EVP_PKEY_free(pkey); |
| 67 | return false; |
| 68 | } |
| 69 | fclose(fp); |
| 70 | |
| 71 | // Save public key |
| 72 | fp = fopen(public_key_file, "wb"); |
| 73 | if (!fp || !PEM_write_PUBKEY(fp, pkey)) { |
| 74 | claim_agent_failure_reason_set("Cannot write public key file: %s", public_key_file); |
| 75 | if (fp) fclose(fp); |
| 76 | EVP_PKEY_free(pkey); |
| 77 | return false; |
| 78 | } |
| 79 | fclose(fp); |
| 80 | |
| 81 | EVP_PKEY_free(pkey); |
| 82 | return true; |
| 83 | } |
| 84 | |
| 85 | static size_t response_write_callback(void *ptr, size_t size, size_t nmemb, void *stream) { |
| 86 | struct claim_response_buffer *response = stream; |
| 87 | |
| 88 | if (unlikely(nmemb && size > SIZE_MAX / nmemb)) { |
| 89 | response->too_large = true; |
| 90 | return 0; |
| 91 | } |
| 92 | size_t real_size = size * nmemb; |
| 93 | |
| 94 | if (unlikely(real_size > CLAIM_RESPONSE_SIZE_LIMIT - buffer_strlen(response->wb))) { |
| 95 | response->too_large = true; |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | buffer_memcat(response->wb, ptr, real_size); |
| 100 | |
| 101 | return real_size; |
| 102 | } |
| 103 | |
| 104 | static const char *curl_add_json_room(BUFFER *wb, const char *start, const char *end, bool last_item) |
| 105 | { |
| 106 | size_t len = end - start; |
| 107 | |
| 108 | // copy the item to an new buffer and terminate it |
| 109 | char *buf = mallocz(len + 1); |
| 110 | memcpy(buf, start, len); |
| 111 | buf[len] = '\0'; |
| 112 | |
| 113 | // add it to the json array |
| 114 | const char *trimmed = trim(buf); // remove leading and trailing spaces |
| 115 | if(trimmed) |
| 116 | buffer_json_add_array_item_string(wb, trimmed); |
| 117 | |
| 118 | freez(buf); |
| 119 | |
| 120 | if (last_item) |
| 121 | return NULL; |
| 122 | |
| 123 | // prepare for the next item |
| 124 | start = end + 1; |
| 125 | |
| 126 | // skip multiple separators or spaces |
| 127 | while(*start == ',' || *start == ' ') start++; |
| 128 | |
| 129 | return start; |
| 130 | } |
| 131 | |
| 132 | void curl_add_rooms_json_array(BUFFER *wb, const char *rooms) { |
| 133 | buffer_json_member_add_array(wb, "rooms"); |
| 134 | if(rooms && *rooms) { |
| 135 | const char *start = rooms, *end = NULL; |
| 136 | |
| 137 | // Skip initial separators or spaces |
| 138 | while (*start == ',' || *start == ' ') |
| 139 | start++; |
| 140 | |
| 141 | // Process each item in the comma-separated list |
| 142 | while ((end = strchr(start, ',')) != NULL) |
| 143 | start = curl_add_json_room(wb, start, end, false); |
| 144 | |
| 145 | // Process the last item if any |
| 146 | if (*start) |
| 147 | curl_add_json_room(wb, start, &start[strlen(start)], true); |
| 148 | } |
| 149 | buffer_json_array_close(wb); |
| 150 | } |
| 151 | |
| 152 | static int debug_callback(CURL *handle, curl_infotype type, char *data, size_t size, void *userptr) { |
| 153 | (void)handle; // Unused |
| 154 | (void)userptr; // Unused |
| 155 | |
| 156 | if (type == CURLINFO_TEXT) |
| 157 | nd_log(NDLS_DAEMON, NDLP_INFO, "CLAIM: Info: %s", data); |
| 158 | else if (type == CURLINFO_HEADER_OUT) |
| 159 | nd_log(NDLS_DAEMON, NDLP_INFO, "CLAIM: Send header: %.*s", (int)size, data); |
| 160 | else if (type == CURLINFO_DATA_OUT) |
| 161 | nd_log(NDLS_DAEMON, NDLP_INFO, "CLAIM: Send data: %.*s", (int)size, data); |
| 162 | else if (type == CURLINFO_SSL_DATA_OUT) |
| 163 | nd_log(NDLS_DAEMON, NDLP_INFO, "CLAIM: Send SSL data: %.*s", (int)size, data); |
| 164 | else if (type == CURLINFO_HEADER_IN) |
| 165 | nd_log(NDLS_DAEMON, NDLP_INFO, "CLAIM: Receive header: %.*s", (int)size, data); |
| 166 | else if (type == CURLINFO_DATA_IN) |
| 167 | nd_log(NDLS_DAEMON, NDLP_INFO, "CLAIM: Receive data: %.*s", (int)size, data); |
| 168 | else if (type == CURLINFO_SSL_DATA_IN) |
| 169 | nd_log(NDLS_DAEMON, NDLP_INFO, "CLAIM: Receive SSL data: %.*s", (int)size, data); |
| 170 | |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | static bool cleanup_curl_request_failure(CURL *curl, struct curl_slist *headers, bool *can_retry, CURLcode res, |
| 175 | const char *option) { |
| 176 | claim_agent_failure_reason_set("Cannot configure request (%s failed: %s)", option, curl_easy_strerror(res)); |
| 177 | |
| 178 | curl_easy_cleanup(curl); |
| 179 | if(headers) |
| 180 | curl_slist_free_all(headers); |
| 181 | |
| 182 | *can_retry = false; |
| 183 | return false; |
| 184 | } |
| 185 | |
| 186 | static bool send_curl_request(const char *machine_guid, const char *hostname, const char *token, const char *rooms, const char *url, const char *proxy, bool insecure, bool *can_retry) { |
| 187 | CURL *curl; |
| 188 | CURLcode res; |
| 189 | char target_url[2048]; |
| 190 | char public_key[2048] = ""; |
| 191 | size_t public_key_bytes_read = 0; |
| 192 | FILE *fp; |
| 193 | struct curl_slist *headers = NULL; |
| 194 | |
| 195 | // create a new random claim id |
| 196 | nd_uuid_t claimed_id; |
| 197 | uuid_generate_random(claimed_id); |
| 198 | char claimed_id_str[UUID_STR_LEN]; |
| 199 | uuid_unparse_lower(claimed_id, claimed_id_str); |
| 200 | |
| 201 | // generate the URL to post |
| 202 | snprintf(target_url, sizeof(target_url), "%s%sapi/v1/spaces/nodes/%s", |
| 203 | url, strendswith(url, "/") ? "" : "/", claimed_id_str); |
| 204 | |
| 205 | // Read the public key |
| 206 | CLEAN_CHAR_P *public_key_file = filename_from_path_entry_strdupz(netdata_configured_cloud_dir, "public.pem"); |
| 207 | fp = fopen(public_key_file, "r"); |
| 208 | if (!fp || (public_key_bytes_read = fread(public_key, 1, sizeof(public_key) - 1, fp)) == 0) { |
| 209 | claim_agent_failure_reason_set("cannot read public key file '%s'", public_key_file); |
| 210 | if (fp) fclose(fp); |
| 211 | *can_retry = false; |
| 212 | return false; |
| 213 | } |
| 214 | public_key[public_key_bytes_read] = '\0'; |
| 215 | fclose(fp); |
| 216 | |
| 217 | // check if we have trusted.pem |
| 218 | // or cloud_fullchain.pem, for backwards compatibility |
| 219 | CLEAN_CHAR_P *trusted_key_file = filename_from_path_entry_strdupz(netdata_configured_cloud_dir, "trusted.pem"); |
| 220 | fp = fopen(trusted_key_file, "r"); |
| 221 | if(fp) |
| 222 | fclose(fp); |
| 223 | else { |
| 224 | freez(trusted_key_file); |
| 225 | trusted_key_file = filename_from_path_entry_strdupz(netdata_configured_cloud_dir, "cloud_fullchain.pem"); |
| 226 | fp = fopen(trusted_key_file, "r"); |
| 227 | if(fp) |
| 228 | fclose(fp); |
| 229 | else { |
| 230 | freez(trusted_key_file); |
| 231 | trusted_key_file = NULL; |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | // generate the JSON request message |
| 236 | CLEAN_BUFFER *wb = buffer_create(0, NULL); |
| 237 | buffer_json_initialize(wb, "\"", "\"", 0, true, BUFFER_JSON_OPTIONS_MINIFY); |
| 238 | |
| 239 | buffer_json_member_add_object(wb, "node"); |
| 240 | { |
| 241 | buffer_json_member_add_string(wb, "id", claimed_id_str); |
| 242 | buffer_json_member_add_string(wb, "hostname", hostname); |
| 243 | } |
| 244 | buffer_json_object_close(wb); // node |
| 245 | |
| 246 | buffer_json_member_add_string(wb, "token", token); |
| 247 | curl_add_rooms_json_array(wb, rooms); |
| 248 | buffer_json_member_add_string(wb, "publicKey", public_key); |
| 249 | buffer_json_member_add_string(wb, "mGUID", machine_guid); |
| 250 | buffer_json_finalize(wb); |
| 251 | |
| 252 | // initialize libcurl |
| 253 | curl = curl_easy_init(); |
| 254 | if(!curl) { |
| 255 | claim_agent_failure_reason_set("Cannot initialize request (curl_easy_init() failed)"); |
| 256 | *can_retry = true; |
| 257 | return false; |
| 258 | } |
| 259 | |
| 260 | #define CURL_SETOPT_OR_RETURN(option, value) \ |
| 261 | do { \ |
| 262 | res = curl_easy_setopt(curl, option, value); \ |
| 263 | if(unlikely(res != CURLE_OK)) \ |
| 264 | return cleanup_curl_request_failure(curl, headers, can_retry, res, #option); \ |
| 265 | } while(0) |
| 266 | |
| 267 | // curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L); |
| 268 | CURL_SETOPT_OR_RETURN(CURLOPT_DEBUGFUNCTION, debug_callback); |
| 269 | |
| 270 | // we will receive the response in this |
| 271 | CLEAN_BUFFER *response = buffer_create(0, NULL); |
| 272 | struct claim_response_buffer response_buffer = { |
| 273 | .wb = response, |
| 274 | .too_large = false, |
| 275 | }; |
| 276 | |
| 277 | // configure the request |
| 278 | struct curl_slist *headers_with_content_type = curl_slist_append(headers, "Content-Type: application/json"); |
| 279 | if(unlikely(!headers_with_content_type)) { |
| 280 | claim_agent_failure_reason_set("Cannot append Content-Type header to the claim request"); |
| 281 | curl_easy_cleanup(curl); |
| 282 | *can_retry = false; |
| 283 | return false; |
| 284 | } |
| 285 | headers = headers_with_content_type; |
| 286 | |
| 287 | CURL_SETOPT_OR_RETURN(CURLOPT_URL, target_url); |
| 288 | CURL_SETOPT_OR_RETURN(CURLOPT_CUSTOMREQUEST, "PUT"); |
| 289 | CURL_SETOPT_OR_RETURN(CURLOPT_POSTFIELDS, buffer_tostring(wb)); |
| 290 | CURL_SETOPT_OR_RETURN(CURLOPT_HTTPHEADER, headers); |
| 291 | CURL_SETOPT_OR_RETURN(CURLOPT_WRITEFUNCTION, response_write_callback); |
| 292 | CURL_SETOPT_OR_RETURN(CURLOPT_WRITEDATA, &response_buffer); |
| 293 | CURL_SETOPT_OR_RETURN(CURLOPT_MAXFILESIZE_LARGE, (curl_off_t)CLAIM_RESPONSE_SIZE_LIMIT); |
| 294 | |
| 295 | if(trusted_key_file) |
| 296 | CURL_SETOPT_OR_RETURN(CURLOPT_CAINFO, trusted_key_file); |
| 297 | |
| 298 | // Proxy configuration |
| 299 | if (proxy) { |
| 300 | if (!*proxy || strcmp(proxy, "none") == 0) { |
| 301 | // disable proxy configuration in libcurl |
| 302 | CURL_SETOPT_OR_RETURN(CURLOPT_PROXY, ""); |
| 303 | proxy = "none"; |
| 304 | } |
| 305 | |
| 306 | else if (strcmp(proxy, "env") != 0) { |
| 307 | // set the custom proxy for libcurl |
| 308 | CURL_SETOPT_OR_RETURN(CURLOPT_PROXY, proxy); |
| 309 | } |
| 310 | |
| 311 | else { |
| 312 | // otherwise, libcurl will use its own proxy environment variables |
| 313 | proxy = "env"; |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | // Insecure option |
| 318 | if (insecure) { |
| 319 | CURL_SETOPT_OR_RETURN(CURLOPT_SSL_VERIFYPEER, 0L); |
| 320 | CURL_SETOPT_OR_RETURN(CURLOPT_SSL_VERIFYHOST, 0L); |
| 321 | } |
| 322 | |
| 323 | // Set timeout options |
| 324 | CURL_SETOPT_OR_RETURN(CURLOPT_TIMEOUT, 10L); |
| 325 | CURL_SETOPT_OR_RETURN(CURLOPT_CONNECTTIMEOUT, 5L); |
| 326 | |
| 327 | #undef CURL_SETOPT_OR_RETURN |
| 328 | |
| 329 | // execute the request |
| 330 | res = curl_easy_perform(curl); |
| 331 | if (res != CURLE_OK) { |
| 332 | bool response_too_large = (res == CURLE_FILESIZE_EXCEEDED || response_buffer.too_large); |
| 333 | |
| 334 | if (response_too_large) |
| 335 | claim_agent_failure_reason_set("Request failed: response body exceeded %zu bytes\n" |
| 336 | "proxy: '%s',\n" |
| 337 | "insecure: %s,\n" |
| 338 | "public key file: '%s',\n" |
| 339 | "trusted key file: '%s'", |
| 340 | (size_t)CLAIM_RESPONSE_SIZE_LIMIT, |
| 341 | proxy, |
| 342 | insecure ? "true" : "false", |
| 343 | public_key_file ? public_key_file : "none", |
| 344 | trusted_key_file ? trusted_key_file : "none"); |
| 345 | else |
| 346 | claim_agent_failure_reason_set("Request failed with error: %s\n" |
| 347 | "proxy: '%s',\n" |
| 348 | "insecure: %s,\n" |
| 349 | "public key file: '%s',\n" |
| 350 | "trusted key file: '%s'", |
| 351 | curl_easy_strerror(res), |
| 352 | proxy, |
| 353 | insecure ? "true" : "false", |
| 354 | public_key_file ? public_key_file : "none", |
| 355 | trusted_key_file ? trusted_key_file : "none"); |
| 356 | curl_easy_cleanup(curl); |
| 357 | curl_slist_free_all(headers); |
| 358 | *can_retry = !response_too_large; |
| 359 | return false; |
| 360 | } |
| 361 | |
| 362 | // Get HTTP response code |
| 363 | long http_status_code; |
| 364 | curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &http_status_code); |
| 365 | |
| 366 | bool ret = false; |
| 367 | if(http_status_code == 204) { |
| 368 | if(!cloud_conf_regenerate(claimed_id_str, machine_guid, hostname, token, rooms, url, proxy, insecure)) { |
| 369 | claim_agent_failure_reason_set("Failed to save claiming info to disk"); |
| 370 | } |
| 371 | else { |
| 372 | claim_agent_failure_reason_set(NULL); |
| 373 | ret = true; |
| 374 | } |
| 375 | |
| 376 | *can_retry = false; |
| 377 | } |
| 378 | else if (http_status_code == 422) { |
| 379 | if(buffer_strlen(response)) { |
| 380 | struct json_object *parsed_json; |
| 381 | struct json_object *error_key_obj; |
| 382 | const char *error_key = NULL; |
| 383 | |
| 384 | parsed_json = json_tokener_parse(buffer_tostring(response)); |
| 385 | if(parsed_json) { |
| 386 | if (json_object_object_get_ex(parsed_json, "errorMsgKey", &error_key_obj)) |
| 387 | error_key = json_object_get_string(error_key_obj); |
| 388 | |
| 389 | if(error_key) { |
| 390 | if (strcmp(error_key, "ErrInvalidNodeID") == 0) |
| 391 | claim_agent_failure_reason_set("Failed: the node id is invalid"); |
| 392 | else if (strcmp(error_key, "ErrInvalidNodeName") == 0) |
| 393 | claim_agent_failure_reason_set("Failed: the node name is invalid"); |
| 394 | else if (strcmp(error_key, "ErrInvalidRoomID") == 0) |
| 395 | claim_agent_failure_reason_set("Failed: one or more room ids are invalid"); |
| 396 | else if (strcmp(error_key, "ErrInvalidPublicKey") == 0) |
| 397 | claim_agent_failure_reason_set("Failed: the public key is invalid"); |
| 398 | else |
| 399 | claim_agent_failure_reason_set("Failed with description '%s'", error_key); |
| 400 | } |
| 401 | else |
| 402 | claim_agent_failure_reason_set("Failed with a response code %ld", http_status_code); |
| 403 | |
| 404 | json_object_put(parsed_json); |
| 405 | } |
| 406 | else |
| 407 | claim_agent_failure_reason_set("Failed with a response code %ld", http_status_code); |
| 408 | } |
| 409 | else |
| 410 | claim_agent_failure_reason_set("Failed with an empty response, code %ld", http_status_code); |
| 411 | |
| 412 | *can_retry = false; |
| 413 | } |
| 414 | else if(http_status_code == 102) { |
| 415 | claim_agent_failure_reason_set("Claiming is in progress"); |
| 416 | *can_retry = false; |
| 417 | } |
| 418 | else if(http_status_code == 403) { |
| 419 | claim_agent_failure_reason_set("Failed: token is expired, not found, or invalid"); |
| 420 | *can_retry = false; |
| 421 | } |
| 422 | else if(http_status_code == 409) { |
| 423 | claim_agent_failure_reason_set("Failed: agent is already claimed"); |
| 424 | *can_retry = false; |
| 425 | } |
| 426 | else if(http_status_code == 500) { |
| 427 | claim_agent_failure_reason_set("Failed: received Internal Server Error"); |
| 428 | *can_retry = true; |
| 429 | } |
| 430 | else if(http_status_code == 503) { |
| 431 | claim_agent_failure_reason_set("Failed: Netdata Cloud is unavailable"); |
| 432 | *can_retry = true; |
| 433 | } |
| 434 | else if(http_status_code == 504) { |
| 435 | claim_agent_failure_reason_set("Failed: Gateway Timeout"); |
| 436 | *can_retry = true; |
| 437 | } |
| 438 | else { |
| 439 | claim_agent_failure_reason_set("Failed with response code %ld", http_status_code); |
| 440 | *can_retry = true; |
| 441 | } |
| 442 | |
| 443 | curl_easy_cleanup(curl); |
| 444 | curl_slist_free_all(headers); |
| 445 | return ret; |
| 446 | } |
| 447 | |
| 448 | bool claim_agent(const char *url, const char *token, const char *rooms, const char *proxy, bool insecure) { |
| 449 | static SPINLOCK spinlock = SPINLOCK_INITIALIZER; |
| 450 | spinlock_lock(&spinlock); |
| 451 | |
| 452 | if (!check_and_generate_certificates()) { |
| 453 | spinlock_unlock(&spinlock); |
| 454 | return false; |
| 455 | } |
| 456 | |
| 457 | bool done = false, can_retry = true; |
| 458 | size_t retries = 0; |
| 459 | do { |
| 460 | done = send_curl_request(machine_guid_get_txt(), registry_get_this_machine_hostname(), token, rooms, url, proxy, insecure, &can_retry); |
| 461 | if (done) break; |
| 462 | sleep_usec(300 * USEC_PER_MS + 100 * retries * USEC_PER_MS); |
| 463 | retries++; |
| 464 | } while(can_retry && retries < 5); |
| 465 | |
| 466 | spinlock_unlock(&spinlock); |
| 467 | return done; |
| 468 | } |
| 469 | |
| 470 | bool claim_agent_from_environment(void) { |
| 471 | const char *url = getenv("NETDATA_CLAIM_URL"); |
| 472 | if(!url || !*url) { |
| 473 | url = inicfg_get(&cloud_config, CONFIG_SECTION_GLOBAL, "url", DEFAULT_CLOUD_BASE_URL); |
| 474 | if(!url || !*url) return false; |
| 475 | } |
| 476 | |
| 477 | const char *token = getenv("NETDATA_CLAIM_TOKEN"); |
| 478 | if(!token || !*token) |
| 479 | return false; |
| 480 | |
| 481 | const char *rooms = getenv("NETDATA_CLAIM_ROOMS"); |
| 482 | if(!rooms) |
| 483 | rooms = ""; |
| 484 | |
| 485 | const char *proxy = getenv("NETDATA_CLAIM_PROXY"); |
| 486 | if(!proxy || !*proxy) |
| 487 | proxy = "env"; |
| 488 | |
| 489 | bool insecure = CONFIG_BOOLEAN_NO; |
| 490 | const char *from_env = getenv("NETDATA_EXTRA_CLAIM_OPTS"); |
| 491 | if(from_env && *from_env && strstr(from_env, "-insecure") == 0) |
| 492 | insecure = CONFIG_BOOLEAN_YES; |
| 493 | |
| 494 | return claim_agent(url, token, rooms, proxy, insecure); |
| 495 | } |
| 496 | |
| 497 | // Static config for claim.conf |
| 498 | static struct config claim_config = APPCONFIG_INITIALIZER; |
| 499 | |
| 500 | // Function to free the static claim_config for shutdown cleanup |
| 501 | void claim_config_free(void) { |
| 502 | inicfg_free(&claim_config); |
| 503 | } |
| 504 | |
| 505 | bool claim_agent_from_claim_conf(void) { |
| 506 | static SPINLOCK spinlock = SPINLOCK_INITIALIZER; |
| 507 | bool ret = false; |
| 508 | |
| 509 | spinlock_lock(&spinlock); |
| 510 | |
| 511 | errno_clear(); |
| 512 | char *filename = filename_from_path_entry_strdupz(netdata_configured_user_config_dir, "claim.conf"); |
| 513 | bool loaded = inicfg_load(&claim_config, filename, 1, NULL); |
| 514 | freez(filename); |
| 515 | |
| 516 | if(loaded) { |
| 517 | const char *url = inicfg_get(&claim_config, CONFIG_SECTION_GLOBAL, "url", DEFAULT_CLOUD_BASE_URL); |
| 518 | const char *token = inicfg_get(&claim_config, CONFIG_SECTION_GLOBAL, "token", ""); |
| 519 | const char *rooms = inicfg_get(&claim_config, CONFIG_SECTION_GLOBAL, "rooms", ""); |
| 520 | const char *proxy = inicfg_get(&claim_config, CONFIG_SECTION_GLOBAL, "proxy", "env"); |
| 521 | bool insecure = inicfg_get_boolean(&claim_config, CONFIG_SECTION_GLOBAL, "insecure", CONFIG_BOOLEAN_NO); |
| 522 | |
| 523 | if(token && *token && url && *url) |
| 524 | ret = claim_agent(url, token, rooms, proxy, insecure); |
| 525 | } |
| 526 | |
| 527 | spinlock_unlock(&spinlock); |
| 528 | |
| 529 | return ret; |
| 530 | } |
| 531 | |
| 532 | bool claim_agent_from_split_files(void) { |
| 533 | char filename[FILENAME_MAX + 1]; |
| 534 | |
| 535 | snprintfz(filename, sizeof(filename), "%s/token", netdata_configured_cloud_dir); |
| 536 | long token_len = 0; |
| 537 | char *token = read_by_filename(filename, &token_len); |
| 538 | if(!token || !*token) { |
| 539 | freez(token); |
| 540 | return false; |
| 541 | } |
| 542 | |
| 543 | snprintfz(filename, sizeof(filename), "%s/rooms", netdata_configured_cloud_dir); |
| 544 | long rooms_len = 0; |
| 545 | char *rooms = read_by_filename(filename, &rooms_len); |
| 546 | if(!rooms || !*rooms) { |
| 547 | freez(rooms); |
| 548 | rooms = NULL; |
| 549 | } |
| 550 | |
| 551 | bool ret = claim_agent(cloud_config_url_get(), token, rooms, cloud_config_proxy_get(), cloud_config_insecure_get()); |
| 552 | |
| 553 | if(ret) { |
| 554 | snprintfz(filename, sizeof(filename), "%s/token", netdata_configured_cloud_dir); |
| 555 | unlink(filename); |
| 556 | |
| 557 | snprintfz(filename, sizeof(filename), "%s/rooms", netdata_configured_cloud_dir); |
| 558 | unlink(filename); |
| 559 | } |
| 560 | |
| 561 | freez(token); |
| 562 | freez(rooms); |
| 563 | |
| 564 | return ret; |
| 565 | } |
| 566 | |
| 567 | bool claim_agent_automatically(void) { |
| 568 | // Use /etc/netdata/claim.conf |
| 569 | |
| 570 | if(claim_agent_from_claim_conf()) |
| 571 | return true; |
| 572 | |
| 573 | // Users may set NETDATA_CLAIM_TOKEN and NETDATA_CLAIM_ROOMS |
| 574 | // A good choice for docker container users. |
| 575 | |
| 576 | if(claim_agent_from_environment()) |
| 577 | return true; |
| 578 | |
| 579 | // Users may store token and rooms in /var/lib/netdata/cloud.d |
| 580 | // This was a bad choice, since users may have to create this directory |
| 581 | // which may end up with the wrong permissions, preventing netdata from storing |
| 582 | // the required information there. |
| 583 | |
| 584 | if(claim_agent_from_split_files()) |
| 585 | return true; |
| 586 | |
| 587 | return false; |
| 588 | } |