William Lallemand | 03c331c | 2020-05-13 10:10:01 +0200 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (C) 2020 HAProxy Technologies, William Lallemand <wlallemand@haproxy.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version |
| 8 | * 2 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #define _GNU_SOURCE |
| 13 | #include <ctype.h> |
| 14 | #include <errno.h> |
| 15 | #include <fcntl.h> |
| 16 | #include <stdio.h> |
| 17 | #include <stdlib.h> |
| 18 | #include <string.h> |
| 19 | #include <unistd.h> |
| 20 | |
| 21 | #include <sys/stat.h> |
| 22 | #include <sys/types.h> |
| 23 | |
Willy Tarreau | 8d36697 | 2020-05-27 16:10:29 +0200 | [diff] [blame] | 24 | #include <haproxy/base64.h> |
Willy Tarreau | 83487a8 | 2020-06-04 20:19:54 +0200 | [diff] [blame^] | 25 | #include <haproxy/cli.h> |
Willy Tarreau | 8d36697 | 2020-05-27 16:10:29 +0200 | [diff] [blame] | 26 | #include <haproxy/errors.h> |
Willy Tarreau | 47d7f90 | 2020-06-04 14:25:47 +0200 | [diff] [blame] | 27 | #include <haproxy/ssl_ckch.h> |
Willy Tarreau | b2bd865 | 2020-06-04 14:21:22 +0200 | [diff] [blame] | 28 | #include <haproxy/ssl_utils.h> |
Willy Tarreau | 48fbcae | 2020-06-03 18:09:46 +0200 | [diff] [blame] | 29 | #include <haproxy/tools.h> |
William Lallemand | 03c331c | 2020-05-13 10:10:01 +0200 | [diff] [blame] | 30 | |
Willy Tarreau | 8d2b777 | 2020-05-27 10:58:19 +0200 | [diff] [blame] | 31 | #include <import/ebsttree.h> |
William Lallemand | 03c331c | 2020-05-13 10:10:01 +0200 | [diff] [blame] | 32 | |
William Lallemand | 03c331c | 2020-05-13 10:10:01 +0200 | [diff] [blame] | 33 | #include <types/ssl_sock.h> |
| 34 | |
William Lallemand | da8584c | 2020-05-14 10:14:37 +0200 | [diff] [blame] | 35 | #include <proto/channel.h> |
William Lallemand | 03c331c | 2020-05-13 10:10:01 +0200 | [diff] [blame] | 36 | #include <proto/ssl_sock.h> |
William Lallemand | da8584c | 2020-05-14 10:14:37 +0200 | [diff] [blame] | 37 | #include <proto/stream_interface.h> |
| 38 | |
| 39 | /* Uncommitted CKCH transaction */ |
| 40 | |
| 41 | static struct { |
| 42 | struct ckch_store *new_ckchs; |
| 43 | struct ckch_store *old_ckchs; |
| 44 | char *path; |
| 45 | } ckchs_transaction; |
| 46 | |
| 47 | |
William Lallemand | 03c331c | 2020-05-13 10:10:01 +0200 | [diff] [blame] | 48 | |
| 49 | /******************** cert_key_and_chain functions ************************* |
| 50 | * These are the functions that fills a cert_key_and_chain structure. For the |
| 51 | * functions filling a SSL_CTX from a cert_key_and_chain, see ssl_sock.c |
| 52 | */ |
| 53 | |
| 54 | /* |
| 55 | * Try to parse Signed Certificate Timestamp List structure. This function |
| 56 | * makes only basic test if the data seems like SCTL. No signature validation |
| 57 | * is performed. |
| 58 | */ |
| 59 | static int ssl_sock_parse_sctl(struct buffer *sctl) |
| 60 | { |
| 61 | int ret = 1; |
| 62 | int len, pos, sct_len; |
| 63 | unsigned char *data; |
| 64 | |
| 65 | if (sctl->data < 2) |
| 66 | goto out; |
| 67 | |
| 68 | data = (unsigned char *) sctl->area; |
| 69 | len = (data[0] << 8) | data[1]; |
| 70 | |
| 71 | if (len + 2 != sctl->data) |
| 72 | goto out; |
| 73 | |
| 74 | data = data + 2; |
| 75 | pos = 0; |
| 76 | while (pos < len) { |
| 77 | if (len - pos < 2) |
| 78 | goto out; |
| 79 | |
| 80 | sct_len = (data[pos] << 8) | data[pos + 1]; |
| 81 | if (pos + sct_len + 2 > len) |
| 82 | goto out; |
| 83 | |
| 84 | pos += sct_len + 2; |
| 85 | } |
| 86 | |
| 87 | ret = 0; |
| 88 | |
| 89 | out: |
| 90 | return ret; |
| 91 | } |
| 92 | |
| 93 | /* Try to load a sctl from a buffer <buf> if not NULL, or read the file <sctl_path> |
| 94 | * It fills the ckch->sctl buffer |
| 95 | * return 0 on success or != 0 on failure */ |
| 96 | int ssl_sock_load_sctl_from_file(const char *sctl_path, char *buf, struct cert_key_and_chain *ckch, char **err) |
| 97 | { |
| 98 | int fd = -1; |
| 99 | int r = 0; |
| 100 | int ret = 1; |
| 101 | struct buffer tmp; |
| 102 | struct buffer *src; |
| 103 | struct buffer *sctl; |
| 104 | |
| 105 | if (buf) { |
| 106 | tmp.area = buf; |
| 107 | tmp.data = strlen(buf); |
| 108 | tmp.size = tmp.data + 1; |
| 109 | src = &tmp; |
| 110 | } else { |
| 111 | fd = open(sctl_path, O_RDONLY); |
| 112 | if (fd == -1) |
| 113 | goto end; |
| 114 | |
| 115 | trash.data = 0; |
| 116 | while (trash.data < trash.size) { |
| 117 | r = read(fd, trash.area + trash.data, trash.size - trash.data); |
| 118 | if (r < 0) { |
| 119 | if (errno == EINTR) |
| 120 | continue; |
| 121 | goto end; |
| 122 | } |
| 123 | else if (r == 0) { |
| 124 | break; |
| 125 | } |
| 126 | trash.data += r; |
| 127 | } |
| 128 | src = &trash; |
| 129 | } |
| 130 | |
| 131 | ret = ssl_sock_parse_sctl(src); |
| 132 | if (ret) |
| 133 | goto end; |
| 134 | |
| 135 | sctl = calloc(1, sizeof(*sctl)); |
| 136 | if (!chunk_dup(sctl, src)) { |
| 137 | free(sctl); |
| 138 | sctl = NULL; |
| 139 | goto end; |
| 140 | } |
| 141 | /* no error, fill ckch with new context, old context must be free */ |
| 142 | if (ckch->sctl) { |
| 143 | free(ckch->sctl->area); |
| 144 | ckch->sctl->area = NULL; |
| 145 | free(ckch->sctl); |
| 146 | } |
| 147 | ckch->sctl = sctl; |
| 148 | ret = 0; |
| 149 | end: |
| 150 | if (fd != -1) |
| 151 | close(fd); |
| 152 | |
| 153 | return ret; |
| 154 | } |
| 155 | |
| 156 | #if ((defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP) || defined OPENSSL_IS_BORINGSSL) |
| 157 | /* |
| 158 | * This function load the OCSP Resonse in DER format contained in file at |
| 159 | * path 'ocsp_path' or base64 in a buffer <buf> |
| 160 | * |
| 161 | * Returns 0 on success, 1 in error case. |
| 162 | */ |
| 163 | int ssl_sock_load_ocsp_response_from_file(const char *ocsp_path, char *buf, struct cert_key_and_chain *ckch, char **err) |
| 164 | { |
| 165 | int fd = -1; |
| 166 | int r = 0; |
| 167 | int ret = 1; |
| 168 | struct buffer *ocsp_response; |
| 169 | struct buffer *src = NULL; |
| 170 | |
| 171 | if (buf) { |
| 172 | int i, j; |
| 173 | /* if it's from a buffer it will be base64 */ |
| 174 | |
| 175 | /* remove \r and \n from the payload */ |
| 176 | for (i = 0, j = 0; buf[i]; i++) { |
| 177 | if (buf[i] == '\r' || buf[i] == '\n') |
| 178 | continue; |
| 179 | buf[j++] = buf[i]; |
| 180 | } |
| 181 | buf[j] = 0; |
| 182 | |
| 183 | ret = base64dec(buf, j, trash.area, trash.size); |
| 184 | if (ret < 0) { |
| 185 | memprintf(err, "Error reading OCSP response in base64 format"); |
| 186 | goto end; |
| 187 | } |
| 188 | trash.data = ret; |
| 189 | src = &trash; |
| 190 | } else { |
| 191 | fd = open(ocsp_path, O_RDONLY); |
| 192 | if (fd == -1) { |
| 193 | memprintf(err, "Error opening OCSP response file"); |
| 194 | goto end; |
| 195 | } |
| 196 | |
| 197 | trash.data = 0; |
| 198 | while (trash.data < trash.size) { |
| 199 | r = read(fd, trash.area + trash.data, trash.size - trash.data); |
| 200 | if (r < 0) { |
| 201 | if (errno == EINTR) |
| 202 | continue; |
| 203 | |
| 204 | memprintf(err, "Error reading OCSP response from file"); |
| 205 | goto end; |
| 206 | } |
| 207 | else if (r == 0) { |
| 208 | break; |
| 209 | } |
| 210 | trash.data += r; |
| 211 | } |
| 212 | close(fd); |
| 213 | fd = -1; |
| 214 | src = &trash; |
| 215 | } |
| 216 | |
| 217 | ocsp_response = calloc(1, sizeof(*ocsp_response)); |
| 218 | if (!chunk_dup(ocsp_response, src)) { |
| 219 | free(ocsp_response); |
| 220 | ocsp_response = NULL; |
| 221 | goto end; |
| 222 | } |
| 223 | /* no error, fill ckch with new context, old context must be free */ |
| 224 | if (ckch->ocsp_response) { |
| 225 | free(ckch->ocsp_response->area); |
| 226 | ckch->ocsp_response->area = NULL; |
| 227 | free(ckch->ocsp_response); |
| 228 | } |
| 229 | ckch->ocsp_response = ocsp_response; |
| 230 | ret = 0; |
| 231 | end: |
| 232 | if (fd != -1) |
| 233 | close(fd); |
| 234 | |
| 235 | return ret; |
| 236 | } |
| 237 | #endif |
| 238 | |
| 239 | /* |
| 240 | * Try to load in a ckch every files related to a ckch. |
| 241 | * (PEM, sctl, ocsp, issuer etc.) |
| 242 | * |
| 243 | * This function is only used to load files during the configuration parsing, |
| 244 | * it is not used with the CLI. |
| 245 | * |
| 246 | * This allows us to carry the contents of the file without having to read the |
| 247 | * file multiple times. The caller must call |
| 248 | * ssl_sock_free_cert_key_and_chain_contents. |
| 249 | * |
| 250 | * returns: |
| 251 | * 0 on Success |
| 252 | * 1 on SSL Failure |
| 253 | */ |
| 254 | int ssl_sock_load_files_into_ckch(const char *path, struct cert_key_and_chain *ckch, char **err) |
| 255 | { |
| 256 | int ret = 1; |
| 257 | |
| 258 | /* try to load the PEM */ |
| 259 | if (ssl_sock_load_pem_into_ckch(path, NULL, ckch , err) != 0) { |
| 260 | goto end; |
| 261 | } |
| 262 | |
| 263 | /* try to load an external private key if it wasn't in the PEM */ |
| 264 | if ((ckch->key == NULL) && (global_ssl.extra_files & SSL_GF_KEY)) { |
| 265 | char fp[MAXPATHLEN+1]; |
| 266 | struct stat st; |
| 267 | |
| 268 | snprintf(fp, MAXPATHLEN+1, "%s.key", path); |
| 269 | if (stat(fp, &st) == 0) { |
| 270 | if (ssl_sock_load_key_into_ckch(fp, NULL, ckch, err)) { |
| 271 | memprintf(err, "%s '%s' is present but cannot be read or parsed'.\n", |
| 272 | err && *err ? *err : "", fp); |
| 273 | goto end; |
| 274 | } |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | if (ckch->key == NULL) { |
| 279 | memprintf(err, "%sNo Private Key found in '%s' or '%s.key'.\n", err && *err ? *err : "", path, path); |
| 280 | goto end; |
| 281 | } |
| 282 | |
| 283 | if (!X509_check_private_key(ckch->cert, ckch->key)) { |
| 284 | memprintf(err, "%sinconsistencies between private key and certificate loaded '%s'.\n", |
| 285 | err && *err ? *err : "", path); |
| 286 | goto end; |
| 287 | } |
| 288 | |
| 289 | #if (HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined OPENSSL_NO_TLSEXT && !defined OPENSSL_IS_BORINGSSL) |
| 290 | /* try to load the sctl file */ |
| 291 | if (global_ssl.extra_files & SSL_GF_SCTL) { |
| 292 | char fp[MAXPATHLEN+1]; |
| 293 | struct stat st; |
| 294 | |
| 295 | snprintf(fp, MAXPATHLEN+1, "%s.sctl", path); |
| 296 | if (stat(fp, &st) == 0) { |
| 297 | if (ssl_sock_load_sctl_from_file(fp, NULL, ckch, err)) { |
| 298 | memprintf(err, "%s '%s.sctl' is present but cannot be read or parsed'.\n", |
| 299 | err && *err ? *err : "", fp); |
| 300 | ret = 1; |
| 301 | goto end; |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | #endif |
| 306 | |
| 307 | /* try to load an ocsp response file */ |
| 308 | if (global_ssl.extra_files & SSL_GF_OCSP) { |
| 309 | char fp[MAXPATHLEN+1]; |
| 310 | struct stat st; |
| 311 | |
| 312 | snprintf(fp, MAXPATHLEN+1, "%s.ocsp", path); |
| 313 | if (stat(fp, &st) == 0) { |
| 314 | if (ssl_sock_load_ocsp_response_from_file(fp, NULL, ckch, err)) { |
| 315 | ret = 1; |
| 316 | goto end; |
| 317 | } |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | #ifndef OPENSSL_IS_BORINGSSL /* Useless for BoringSSL */ |
| 322 | if (ckch->ocsp_response && (global_ssl.extra_files & SSL_GF_OCSP_ISSUER)) { |
| 323 | /* if no issuer was found, try to load an issuer from the .issuer */ |
| 324 | if (!ckch->ocsp_issuer) { |
| 325 | struct stat st; |
| 326 | char fp[MAXPATHLEN+1]; |
| 327 | |
| 328 | snprintf(fp, MAXPATHLEN+1, "%s.issuer", path); |
| 329 | if (stat(fp, &st) == 0) { |
| 330 | if (ssl_sock_load_issuer_file_into_ckch(fp, NULL, ckch, err)) { |
| 331 | ret = 1; |
| 332 | goto end; |
| 333 | } |
| 334 | |
| 335 | if (X509_check_issued(ckch->ocsp_issuer, ckch->cert) != X509_V_OK) { |
| 336 | memprintf(err, "%s '%s' is not an issuer'.\n", |
| 337 | err && *err ? *err : "", fp); |
| 338 | ret = 1; |
| 339 | goto end; |
| 340 | } |
| 341 | } |
| 342 | } |
| 343 | } |
| 344 | #endif |
| 345 | |
| 346 | ret = 0; |
| 347 | |
| 348 | end: |
| 349 | |
| 350 | ERR_clear_error(); |
| 351 | |
| 352 | /* Something went wrong in one of the reads */ |
| 353 | if (ret != 0) |
| 354 | ssl_sock_free_cert_key_and_chain_contents(ckch); |
| 355 | |
| 356 | return ret; |
| 357 | } |
| 358 | |
| 359 | /* |
| 360 | * Try to load a private key file from a <path> or a buffer <buf> |
| 361 | * |
| 362 | * If it failed you should not attempt to use the ckch but free it. |
| 363 | * |
| 364 | * Return 0 on success or != 0 on failure |
| 365 | */ |
| 366 | int ssl_sock_load_key_into_ckch(const char *path, char *buf, struct cert_key_and_chain *ckch , char **err) |
| 367 | { |
| 368 | BIO *in = NULL; |
| 369 | int ret = 1; |
| 370 | EVP_PKEY *key = NULL; |
| 371 | |
| 372 | if (buf) { |
| 373 | /* reading from a buffer */ |
| 374 | in = BIO_new_mem_buf(buf, -1); |
| 375 | if (in == NULL) { |
| 376 | memprintf(err, "%sCan't allocate memory\n", err && *err ? *err : ""); |
| 377 | goto end; |
| 378 | } |
| 379 | |
| 380 | } else { |
| 381 | /* reading from a file */ |
| 382 | in = BIO_new(BIO_s_file()); |
| 383 | if (in == NULL) |
| 384 | goto end; |
| 385 | |
| 386 | if (BIO_read_filename(in, path) <= 0) |
| 387 | goto end; |
| 388 | } |
| 389 | |
| 390 | /* Read Private Key */ |
| 391 | key = PEM_read_bio_PrivateKey(in, NULL, NULL, NULL); |
| 392 | if (key == NULL) { |
| 393 | memprintf(err, "%sunable to load private key from file '%s'.\n", |
| 394 | err && *err ? *err : "", path); |
| 395 | goto end; |
| 396 | } |
| 397 | |
| 398 | ret = 0; |
| 399 | |
| 400 | SWAP(ckch->key, key); |
| 401 | |
| 402 | end: |
| 403 | |
| 404 | ERR_clear_error(); |
| 405 | if (in) |
| 406 | BIO_free(in); |
| 407 | if (key) |
| 408 | EVP_PKEY_free(key); |
| 409 | |
| 410 | return ret; |
| 411 | } |
| 412 | |
| 413 | /* |
| 414 | * Try to load a PEM file from a <path> or a buffer <buf> |
| 415 | * The PEM must contain at least a Certificate, |
| 416 | * It could contain a DH, a certificate chain and a PrivateKey. |
| 417 | * |
| 418 | * If it failed you should not attempt to use the ckch but free it. |
| 419 | * |
| 420 | * Return 0 on success or != 0 on failure |
| 421 | */ |
| 422 | int ssl_sock_load_pem_into_ckch(const char *path, char *buf, struct cert_key_and_chain *ckch , char **err) |
| 423 | { |
| 424 | BIO *in = NULL; |
| 425 | int ret = 1; |
| 426 | X509 *ca; |
| 427 | X509 *cert = NULL; |
| 428 | EVP_PKEY *key = NULL; |
| 429 | DH *dh = NULL; |
| 430 | STACK_OF(X509) *chain = NULL; |
| 431 | |
| 432 | if (buf) { |
| 433 | /* reading from a buffer */ |
| 434 | in = BIO_new_mem_buf(buf, -1); |
| 435 | if (in == NULL) { |
| 436 | memprintf(err, "%sCan't allocate memory\n", err && *err ? *err : ""); |
| 437 | goto end; |
| 438 | } |
| 439 | |
| 440 | } else { |
| 441 | /* reading from a file */ |
| 442 | in = BIO_new(BIO_s_file()); |
| 443 | if (in == NULL) { |
| 444 | memprintf(err, "%sCan't allocate memory\n", err && *err ? *err : ""); |
| 445 | goto end; |
| 446 | } |
| 447 | |
| 448 | if (BIO_read_filename(in, path) <= 0) { |
| 449 | memprintf(err, "%scannot open the file '%s'.\n", |
| 450 | err && *err ? *err : "", path); |
| 451 | goto end; |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | /* Read Private Key */ |
| 456 | key = PEM_read_bio_PrivateKey(in, NULL, NULL, NULL); |
| 457 | /* no need to check for errors here, because the private key could be loaded later */ |
| 458 | |
| 459 | #ifndef OPENSSL_NO_DH |
| 460 | /* Seek back to beginning of file */ |
| 461 | if (BIO_reset(in) == -1) { |
| 462 | memprintf(err, "%san error occurred while reading the file '%s'.\n", |
| 463 | err && *err ? *err : "", path); |
| 464 | goto end; |
| 465 | } |
| 466 | |
| 467 | dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); |
| 468 | /* no need to return an error there, dh is not mandatory */ |
| 469 | #endif |
| 470 | |
| 471 | /* Seek back to beginning of file */ |
| 472 | if (BIO_reset(in) == -1) { |
| 473 | memprintf(err, "%san error occurred while reading the file '%s'.\n", |
| 474 | err && *err ? *err : "", path); |
| 475 | goto end; |
| 476 | } |
| 477 | |
| 478 | /* Read Certificate */ |
| 479 | cert = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL); |
| 480 | if (cert == NULL) { |
| 481 | memprintf(err, "%sunable to load certificate from file '%s'.\n", |
| 482 | err && *err ? *err : "", path); |
| 483 | goto end; |
| 484 | } |
| 485 | |
| 486 | /* Look for a Certificate Chain */ |
| 487 | while ((ca = PEM_read_bio_X509(in, NULL, NULL, NULL))) { |
| 488 | if (chain == NULL) |
| 489 | chain = sk_X509_new_null(); |
| 490 | if (!sk_X509_push(chain, ca)) { |
| 491 | X509_free(ca); |
| 492 | goto end; |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | ret = ERR_get_error(); |
| 497 | if (ret && (ERR_GET_LIB(ret) != ERR_LIB_PEM && ERR_GET_REASON(ret) != PEM_R_NO_START_LINE)) { |
| 498 | memprintf(err, "%sunable to load certificate chain from file '%s'.\n", |
| 499 | err && *err ? *err : "", path); |
| 500 | goto end; |
| 501 | } |
| 502 | |
| 503 | /* once it loaded the PEM, it should remove everything else in the ckch */ |
| 504 | if (ckch->ocsp_response) { |
| 505 | free(ckch->ocsp_response->area); |
| 506 | ckch->ocsp_response->area = NULL; |
| 507 | free(ckch->ocsp_response); |
| 508 | ckch->ocsp_response = NULL; |
| 509 | } |
| 510 | |
| 511 | if (ckch->sctl) { |
| 512 | free(ckch->sctl->area); |
| 513 | ckch->sctl->area = NULL; |
| 514 | free(ckch->sctl); |
| 515 | ckch->sctl = NULL; |
| 516 | } |
| 517 | |
| 518 | if (ckch->ocsp_issuer) { |
| 519 | X509_free(ckch->ocsp_issuer); |
| 520 | ckch->ocsp_issuer = NULL; |
| 521 | } |
| 522 | |
| 523 | /* no error, fill ckch with new context, old context will be free at end: */ |
| 524 | SWAP(ckch->key, key); |
| 525 | SWAP(ckch->dh, dh); |
| 526 | SWAP(ckch->cert, cert); |
| 527 | SWAP(ckch->chain, chain); |
| 528 | |
| 529 | ret = 0; |
| 530 | |
| 531 | end: |
| 532 | |
| 533 | ERR_clear_error(); |
| 534 | if (in) |
| 535 | BIO_free(in); |
| 536 | if (key) |
| 537 | EVP_PKEY_free(key); |
| 538 | if (dh) |
| 539 | DH_free(dh); |
| 540 | if (cert) |
| 541 | X509_free(cert); |
| 542 | if (chain) |
| 543 | sk_X509_pop_free(chain, X509_free); |
| 544 | |
| 545 | return ret; |
| 546 | } |
| 547 | |
| 548 | /* Frees the contents of a cert_key_and_chain |
| 549 | */ |
| 550 | void ssl_sock_free_cert_key_and_chain_contents(struct cert_key_and_chain *ckch) |
| 551 | { |
| 552 | if (!ckch) |
| 553 | return; |
| 554 | |
| 555 | /* Free the certificate and set pointer to NULL */ |
| 556 | if (ckch->cert) |
| 557 | X509_free(ckch->cert); |
| 558 | ckch->cert = NULL; |
| 559 | |
| 560 | /* Free the key and set pointer to NULL */ |
| 561 | if (ckch->key) |
| 562 | EVP_PKEY_free(ckch->key); |
| 563 | ckch->key = NULL; |
| 564 | |
| 565 | /* Free each certificate in the chain */ |
| 566 | if (ckch->chain) |
| 567 | sk_X509_pop_free(ckch->chain, X509_free); |
| 568 | ckch->chain = NULL; |
| 569 | |
| 570 | if (ckch->dh) |
| 571 | DH_free(ckch->dh); |
| 572 | ckch->dh = NULL; |
| 573 | |
| 574 | if (ckch->sctl) { |
| 575 | free(ckch->sctl->area); |
| 576 | ckch->sctl->area = NULL; |
| 577 | free(ckch->sctl); |
| 578 | ckch->sctl = NULL; |
| 579 | } |
| 580 | |
| 581 | if (ckch->ocsp_response) { |
| 582 | free(ckch->ocsp_response->area); |
| 583 | ckch->ocsp_response->area = NULL; |
| 584 | free(ckch->ocsp_response); |
| 585 | ckch->ocsp_response = NULL; |
| 586 | } |
| 587 | |
| 588 | if (ckch->ocsp_issuer) |
| 589 | X509_free(ckch->ocsp_issuer); |
| 590 | ckch->ocsp_issuer = NULL; |
| 591 | } |
| 592 | |
| 593 | /* |
| 594 | * |
| 595 | * This function copy a cert_key_and_chain in memory |
| 596 | * |
| 597 | * It's used to try to apply changes on a ckch before committing them, because |
| 598 | * most of the time it's not possible to revert those changes |
| 599 | * |
| 600 | * Return a the dst or NULL |
| 601 | */ |
| 602 | struct cert_key_and_chain *ssl_sock_copy_cert_key_and_chain(struct cert_key_and_chain *src, |
| 603 | struct cert_key_and_chain *dst) |
| 604 | { |
| 605 | if (src->cert) { |
| 606 | dst->cert = src->cert; |
| 607 | X509_up_ref(src->cert); |
| 608 | } |
| 609 | |
| 610 | if (src->key) { |
| 611 | dst->key = src->key; |
| 612 | EVP_PKEY_up_ref(src->key); |
| 613 | } |
| 614 | |
| 615 | if (src->chain) { |
| 616 | dst->chain = X509_chain_up_ref(src->chain); |
| 617 | } |
| 618 | |
| 619 | if (src->dh) { |
| 620 | DH_up_ref(src->dh); |
| 621 | dst->dh = src->dh; |
| 622 | } |
| 623 | |
| 624 | if (src->sctl) { |
| 625 | struct buffer *sctl; |
| 626 | |
| 627 | sctl = calloc(1, sizeof(*sctl)); |
| 628 | if (!chunk_dup(sctl, src->sctl)) { |
| 629 | free(sctl); |
| 630 | sctl = NULL; |
| 631 | goto error; |
| 632 | } |
| 633 | dst->sctl = sctl; |
| 634 | } |
| 635 | |
| 636 | if (src->ocsp_response) { |
| 637 | struct buffer *ocsp_response; |
| 638 | |
| 639 | ocsp_response = calloc(1, sizeof(*ocsp_response)); |
| 640 | if (!chunk_dup(ocsp_response, src->ocsp_response)) { |
| 641 | free(ocsp_response); |
| 642 | ocsp_response = NULL; |
| 643 | goto error; |
| 644 | } |
| 645 | dst->ocsp_response = ocsp_response; |
| 646 | } |
| 647 | |
| 648 | if (src->ocsp_issuer) { |
| 649 | X509_up_ref(src->ocsp_issuer); |
| 650 | dst->ocsp_issuer = src->ocsp_issuer; |
| 651 | } |
| 652 | |
| 653 | return dst; |
| 654 | |
| 655 | error: |
| 656 | |
| 657 | /* free everything */ |
| 658 | ssl_sock_free_cert_key_and_chain_contents(dst); |
| 659 | |
| 660 | return NULL; |
| 661 | } |
| 662 | |
| 663 | /* |
| 664 | * return 0 on success or != 0 on failure |
| 665 | */ |
| 666 | int ssl_sock_load_issuer_file_into_ckch(const char *path, char *buf, struct cert_key_and_chain *ckch, char **err) |
| 667 | { |
| 668 | int ret = 1; |
| 669 | BIO *in = NULL; |
| 670 | X509 *issuer; |
| 671 | |
| 672 | if (buf) { |
| 673 | /* reading from a buffer */ |
| 674 | in = BIO_new_mem_buf(buf, -1); |
| 675 | if (in == NULL) { |
| 676 | memprintf(err, "%sCan't allocate memory\n", err && *err ? *err : ""); |
| 677 | goto end; |
| 678 | } |
| 679 | |
| 680 | } else { |
| 681 | /* reading from a file */ |
| 682 | in = BIO_new(BIO_s_file()); |
| 683 | if (in == NULL) |
| 684 | goto end; |
| 685 | |
| 686 | if (BIO_read_filename(in, path) <= 0) |
| 687 | goto end; |
| 688 | } |
| 689 | |
| 690 | issuer = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL); |
| 691 | if (!issuer) { |
| 692 | memprintf(err, "%s'%s' cannot be read or parsed'.\n", |
| 693 | err && *err ? *err : "", path); |
| 694 | goto end; |
| 695 | } |
| 696 | /* no error, fill ckch with new context, old context must be free */ |
| 697 | if (ckch->ocsp_issuer) |
| 698 | X509_free(ckch->ocsp_issuer); |
| 699 | ckch->ocsp_issuer = issuer; |
| 700 | ret = 0; |
| 701 | |
| 702 | end: |
| 703 | |
| 704 | ERR_clear_error(); |
| 705 | if (in) |
| 706 | BIO_free(in); |
| 707 | |
| 708 | return ret; |
| 709 | } |
| 710 | |
| 711 | /******************** ckch_store functions *********************************** |
| 712 | * The ckch_store is a structure used to cache and index the SSL files used in |
| 713 | * configuration |
| 714 | */ |
| 715 | |
| 716 | /* |
| 717 | * Free a ckch_store, its ckch, its instances and remove it from the ebtree |
| 718 | */ |
| 719 | void ckch_store_free(struct ckch_store *store) |
| 720 | { |
| 721 | struct ckch_inst *inst, *inst_s; |
| 722 | |
| 723 | if (!store) |
| 724 | return; |
| 725 | |
| 726 | #if HA_OPENSSL_VERSION_NUMBER >= 0x1000200L |
| 727 | if (store->multi) { |
| 728 | int n; |
| 729 | |
| 730 | for (n = 0; n < SSL_SOCK_NUM_KEYTYPES; n++) |
| 731 | ssl_sock_free_cert_key_and_chain_contents(&store->ckch[n]); |
| 732 | } else |
| 733 | #endif |
| 734 | { |
| 735 | ssl_sock_free_cert_key_and_chain_contents(store->ckch); |
| 736 | } |
| 737 | |
| 738 | free(store->ckch); |
| 739 | store->ckch = NULL; |
| 740 | |
| 741 | list_for_each_entry_safe(inst, inst_s, &store->ckch_inst, by_ckchs) { |
| 742 | ckch_inst_free(inst); |
| 743 | } |
| 744 | ebmb_delete(&store->node); |
| 745 | free(store); |
| 746 | } |
| 747 | |
| 748 | /* |
| 749 | * create and initialize a ckch_store |
| 750 | * <path> is the key name |
| 751 | * <nmemb> is the number of store->ckch objects to allocate |
| 752 | * |
| 753 | * Return a ckch_store or NULL upon failure. |
| 754 | */ |
| 755 | struct ckch_store *ckch_store_new(const char *filename, int nmemb) |
| 756 | { |
| 757 | struct ckch_store *store; |
| 758 | int pathlen; |
| 759 | |
| 760 | pathlen = strlen(filename); |
| 761 | store = calloc(1, sizeof(*store) + pathlen + 1); |
| 762 | if (!store) |
| 763 | return NULL; |
| 764 | |
| 765 | if (nmemb > 1) |
| 766 | store->multi = 1; |
| 767 | else |
| 768 | store->multi = 0; |
| 769 | |
| 770 | memcpy(store->path, filename, pathlen + 1); |
| 771 | |
| 772 | LIST_INIT(&store->ckch_inst); |
| 773 | LIST_INIT(&store->crtlist_entry); |
| 774 | |
| 775 | store->ckch = calloc(nmemb, sizeof(*store->ckch)); |
| 776 | if (!store->ckch) |
| 777 | goto error; |
| 778 | |
| 779 | return store; |
| 780 | error: |
| 781 | ckch_store_free(store); |
| 782 | return NULL; |
| 783 | } |
| 784 | |
| 785 | /* allocate and duplicate a ckch_store |
| 786 | * Return a new ckch_store or NULL */ |
| 787 | struct ckch_store *ckchs_dup(const struct ckch_store *src) |
| 788 | { |
| 789 | struct ckch_store *dst; |
| 790 | |
| 791 | dst = ckch_store_new(src->path, src->multi ? SSL_SOCK_NUM_KEYTYPES : 1); |
| 792 | |
| 793 | #if HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL |
| 794 | if (src->multi) { |
| 795 | int n; |
| 796 | |
| 797 | for (n = 0; n < SSL_SOCK_NUM_KEYTYPES; n++) { |
| 798 | if (&src->ckch[n]) { |
| 799 | if (!ssl_sock_copy_cert_key_and_chain(&src->ckch[n], &dst->ckch[n])) |
| 800 | goto error; |
| 801 | } |
| 802 | } |
| 803 | } else |
| 804 | #endif |
| 805 | { |
| 806 | if (!ssl_sock_copy_cert_key_and_chain(src->ckch, dst->ckch)) |
| 807 | goto error; |
| 808 | } |
| 809 | |
| 810 | return dst; |
| 811 | |
| 812 | error: |
| 813 | ckch_store_free(dst); |
| 814 | |
| 815 | return NULL; |
| 816 | } |
| 817 | |
| 818 | /* |
| 819 | * lookup a path into the ckchs tree. |
| 820 | */ |
| 821 | struct ckch_store *ckchs_lookup(char *path) |
| 822 | { |
| 823 | struct ebmb_node *eb; |
| 824 | |
| 825 | eb = ebst_lookup(&ckchs_tree, path); |
| 826 | if (!eb) |
| 827 | return NULL; |
| 828 | |
| 829 | return ebmb_entry(eb, struct ckch_store, node); |
| 830 | } |
| 831 | |
| 832 | /* |
| 833 | * This function allocate a ckch_store and populate it with certificates from files. |
| 834 | */ |
| 835 | struct ckch_store *ckchs_load_cert_file(char *path, int multi, char **err) |
| 836 | { |
| 837 | struct ckch_store *ckchs; |
| 838 | |
| 839 | ckchs = ckch_store_new(path, multi ? SSL_SOCK_NUM_KEYTYPES : 1); |
| 840 | if (!ckchs) { |
| 841 | memprintf(err, "%sunable to allocate memory.\n", err && *err ? *err : ""); |
| 842 | goto end; |
| 843 | } |
| 844 | if (!multi) { |
| 845 | |
| 846 | if (ssl_sock_load_files_into_ckch(path, ckchs->ckch, err) == 1) |
| 847 | goto end; |
| 848 | |
| 849 | /* insert into the ckchs tree */ |
| 850 | memcpy(ckchs->path, path, strlen(path) + 1); |
| 851 | ebst_insert(&ckchs_tree, &ckchs->node); |
| 852 | } else { |
| 853 | int found = 0; |
| 854 | #if HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL |
| 855 | char fp[MAXPATHLEN+1] = {0}; |
| 856 | int n = 0; |
| 857 | |
| 858 | /* Load all possible certs and keys */ |
| 859 | for (n = 0; n < SSL_SOCK_NUM_KEYTYPES; n++) { |
| 860 | struct stat buf; |
| 861 | snprintf(fp, sizeof(fp), "%s.%s", path, SSL_SOCK_KEYTYPE_NAMES[n]); |
| 862 | if (stat(fp, &buf) == 0) { |
| 863 | if (ssl_sock_load_files_into_ckch(fp, &ckchs->ckch[n], err) == 1) |
| 864 | goto end; |
| 865 | found = 1; |
| 866 | ckchs->multi = 1; |
| 867 | } |
| 868 | } |
| 869 | #endif |
| 870 | |
| 871 | if (!found) { |
| 872 | memprintf(err, "%sDidn't find any certificate for bundle '%s'.\n", err && *err ? *err : "", path); |
| 873 | goto end; |
| 874 | } |
| 875 | /* insert into the ckchs tree */ |
| 876 | memcpy(ckchs->path, path, strlen(path) + 1); |
| 877 | ebst_insert(&ckchs_tree, &ckchs->node); |
| 878 | } |
| 879 | return ckchs; |
| 880 | |
| 881 | end: |
| 882 | ckch_store_free(ckchs); |
| 883 | |
| 884 | return NULL; |
| 885 | } |
| 886 | |
William Lallemand | fa1d8b4 | 2020-05-13 15:46:10 +0200 | [diff] [blame] | 887 | |
| 888 | /******************** ckch_inst functions ******************************/ |
| 889 | |
| 890 | /* unlink a ckch_inst, free all SNIs, free the ckch_inst */ |
| 891 | /* The caller must use the lock of the bind_conf if used with inserted SNIs */ |
| 892 | void ckch_inst_free(struct ckch_inst *inst) |
| 893 | { |
| 894 | struct sni_ctx *sni, *sni_s; |
| 895 | |
| 896 | if (inst == NULL) |
| 897 | return; |
| 898 | |
| 899 | list_for_each_entry_safe(sni, sni_s, &inst->sni_ctx, by_ckch_inst) { |
| 900 | SSL_CTX_free(sni->ctx); |
| 901 | LIST_DEL(&sni->by_ckch_inst); |
| 902 | ebmb_delete(&sni->name); |
| 903 | free(sni); |
| 904 | } |
| 905 | LIST_DEL(&inst->by_ckchs); |
| 906 | LIST_DEL(&inst->by_crtlist_entry); |
| 907 | free(inst); |
| 908 | } |
| 909 | |
| 910 | /* Alloc and init a ckch_inst */ |
| 911 | struct ckch_inst *ckch_inst_new() |
| 912 | { |
| 913 | struct ckch_inst *ckch_inst; |
| 914 | |
| 915 | ckch_inst = calloc(1, sizeof *ckch_inst); |
| 916 | if (!ckch_inst) |
| 917 | return NULL; |
| 918 | |
| 919 | LIST_INIT(&ckch_inst->sni_ctx); |
| 920 | LIST_INIT(&ckch_inst->by_ckchs); |
| 921 | LIST_INIT(&ckch_inst->by_crtlist_entry); |
| 922 | |
| 923 | return ckch_inst; |
| 924 | } |
| 925 | |
William Lallemand | da8584c | 2020-05-14 10:14:37 +0200 | [diff] [blame] | 926 | /*************************** CLI commands ***********************/ |
| 927 | |
| 928 | /* Type of SSL payloads that can be updated over the CLI */ |
| 929 | |
| 930 | enum { |
| 931 | CERT_TYPE_PEM = 0, |
| 932 | CERT_TYPE_KEY, |
| 933 | #if ((defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP) || defined OPENSSL_IS_BORINGSSL) |
| 934 | CERT_TYPE_OCSP, |
| 935 | #endif |
| 936 | CERT_TYPE_ISSUER, |
| 937 | #if (HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined OPENSSL_NO_TLSEXT && !defined OPENSSL_IS_BORINGSSL) |
| 938 | CERT_TYPE_SCTL, |
| 939 | #endif |
| 940 | CERT_TYPE_MAX, |
| 941 | }; |
| 942 | |
| 943 | struct { |
| 944 | const char *ext; |
| 945 | int type; |
| 946 | int (*load)(const char *path, char *payload, struct cert_key_and_chain *ckch, char **err); |
| 947 | /* add a parsing callback */ |
| 948 | } cert_exts[CERT_TYPE_MAX+1] = { |
| 949 | [CERT_TYPE_PEM] = { "", CERT_TYPE_PEM, &ssl_sock_load_pem_into_ckch }, /* default mode, no extensions */ |
| 950 | [CERT_TYPE_KEY] = { "key", CERT_TYPE_KEY, &ssl_sock_load_key_into_ckch }, |
| 951 | #if ((defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP) || defined OPENSSL_IS_BORINGSSL) |
| 952 | [CERT_TYPE_OCSP] = { "ocsp", CERT_TYPE_OCSP, &ssl_sock_load_ocsp_response_from_file }, |
| 953 | #endif |
| 954 | #if (HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined OPENSSL_NO_TLSEXT && !defined OPENSSL_IS_BORINGSSL) |
| 955 | [CERT_TYPE_SCTL] = { "sctl", CERT_TYPE_SCTL, &ssl_sock_load_sctl_from_file }, |
| 956 | #endif |
| 957 | [CERT_TYPE_ISSUER] = { "issuer", CERT_TYPE_ISSUER, &ssl_sock_load_issuer_file_into_ckch }, |
| 958 | [CERT_TYPE_MAX] = { NULL, CERT_TYPE_MAX, NULL }, |
| 959 | }; |
| 960 | |
| 961 | |
| 962 | /* release function of the `show ssl cert' command */ |
| 963 | static void cli_release_show_cert(struct appctx *appctx) |
| 964 | { |
| 965 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 966 | } |
| 967 | |
| 968 | /* IO handler of "show ssl cert <filename>" */ |
| 969 | static int cli_io_handler_show_cert(struct appctx *appctx) |
| 970 | { |
| 971 | struct buffer *trash = alloc_trash_chunk(); |
| 972 | struct ebmb_node *node; |
| 973 | struct stream_interface *si = appctx->owner; |
| 974 | struct ckch_store *ckchs; |
| 975 | |
| 976 | if (trash == NULL) |
| 977 | return 1; |
| 978 | |
| 979 | if (!appctx->ctx.ssl.old_ckchs) { |
| 980 | if (ckchs_transaction.old_ckchs) { |
| 981 | ckchs = ckchs_transaction.old_ckchs; |
| 982 | chunk_appendf(trash, "# transaction\n"); |
| 983 | if (!ckchs->multi) { |
| 984 | chunk_appendf(trash, "*%s\n", ckchs->path); |
| 985 | #if HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL |
| 986 | } else { |
| 987 | int n; |
| 988 | |
| 989 | chunk_appendf(trash, "*%s:", ckchs->path); |
| 990 | for (n = 0; n < SSL_SOCK_NUM_KEYTYPES; n++) { |
| 991 | if (ckchs->ckch[n].cert) |
| 992 | chunk_appendf(trash, " %s.%s\n", ckchs->path, SSL_SOCK_KEYTYPE_NAMES[n]); |
| 993 | } |
| 994 | chunk_appendf(trash, "\n"); |
| 995 | #endif |
| 996 | } |
| 997 | } |
| 998 | } |
| 999 | |
| 1000 | if (!appctx->ctx.cli.p0) { |
| 1001 | chunk_appendf(trash, "# filename\n"); |
| 1002 | node = ebmb_first(&ckchs_tree); |
| 1003 | } else { |
| 1004 | node = &((struct ckch_store *)appctx->ctx.cli.p0)->node; |
| 1005 | } |
| 1006 | while (node) { |
| 1007 | ckchs = ebmb_entry(node, struct ckch_store, node); |
| 1008 | if (!ckchs->multi) { |
| 1009 | chunk_appendf(trash, "%s\n", ckchs->path); |
| 1010 | #if HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL |
| 1011 | } else { |
| 1012 | int n; |
| 1013 | |
| 1014 | chunk_appendf(trash, "%s:", ckchs->path); |
| 1015 | for (n = 0; n < SSL_SOCK_NUM_KEYTYPES; n++) { |
| 1016 | if (ckchs->ckch[n].cert) |
| 1017 | chunk_appendf(trash, " %s.%s", ckchs->path, SSL_SOCK_KEYTYPE_NAMES[n]); |
| 1018 | } |
| 1019 | chunk_appendf(trash, "\n"); |
| 1020 | #endif |
| 1021 | } |
| 1022 | |
| 1023 | node = ebmb_next(node); |
| 1024 | if (ci_putchk(si_ic(si), trash) == -1) { |
| 1025 | si_rx_room_blk(si); |
| 1026 | goto yield; |
| 1027 | } |
| 1028 | } |
| 1029 | |
| 1030 | appctx->ctx.cli.p0 = NULL; |
| 1031 | free_trash_chunk(trash); |
| 1032 | return 1; |
| 1033 | yield: |
| 1034 | |
| 1035 | free_trash_chunk(trash); |
| 1036 | appctx->ctx.cli.p0 = ckchs; |
| 1037 | return 0; /* should come back */ |
| 1038 | } |
| 1039 | |
| 1040 | /* |
| 1041 | * Extract and format the DNS SAN extensions and copy result into a chuink |
| 1042 | * Return 0; |
| 1043 | */ |
| 1044 | #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME |
| 1045 | static int ssl_sock_get_san_oneline(X509 *cert, struct buffer *out) |
| 1046 | { |
| 1047 | int i; |
| 1048 | char *str; |
| 1049 | STACK_OF(GENERAL_NAME) *names = NULL; |
| 1050 | |
| 1051 | names = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL); |
| 1052 | if (names) { |
| 1053 | for (i = 0; i < sk_GENERAL_NAME_num(names); i++) { |
| 1054 | GENERAL_NAME *name = sk_GENERAL_NAME_value(names, i); |
| 1055 | if (i > 0) |
| 1056 | chunk_appendf(out, ", "); |
| 1057 | if (name->type == GEN_DNS) { |
| 1058 | if (ASN1_STRING_to_UTF8((unsigned char **)&str, name->d.dNSName) >= 0) { |
| 1059 | chunk_appendf(out, "DNS:%s", str); |
| 1060 | OPENSSL_free(str); |
| 1061 | } |
| 1062 | } |
| 1063 | } |
| 1064 | sk_GENERAL_NAME_pop_free(names, GENERAL_NAME_free); |
| 1065 | } |
| 1066 | return 0; |
| 1067 | } |
| 1068 | #endif |
| 1069 | |
| 1070 | |
| 1071 | |
| 1072 | |
| 1073 | /* IO handler of the details "show ssl cert <filename>" */ |
| 1074 | static int cli_io_handler_show_cert_detail(struct appctx *appctx) |
| 1075 | { |
| 1076 | struct stream_interface *si = appctx->owner; |
| 1077 | struct ckch_store *ckchs = appctx->ctx.cli.p0; |
| 1078 | struct buffer *out = alloc_trash_chunk(); |
| 1079 | struct buffer *tmp = alloc_trash_chunk(); |
| 1080 | X509_NAME *name = NULL; |
| 1081 | STACK_OF(X509) *chain; |
| 1082 | unsigned int len = 0; |
| 1083 | int write = -1; |
| 1084 | BIO *bio = NULL; |
| 1085 | int i; |
| 1086 | |
| 1087 | if (!tmp || !out) |
| 1088 | goto end_no_putchk; |
| 1089 | |
| 1090 | if (!ckchs->multi) { |
| 1091 | chunk_appendf(out, "Filename: "); |
| 1092 | if (ckchs == ckchs_transaction.new_ckchs) |
| 1093 | chunk_appendf(out, "*"); |
| 1094 | chunk_appendf(out, "%s\n", ckchs->path); |
| 1095 | |
| 1096 | chunk_appendf(out, "Status: "); |
| 1097 | if (ckchs->ckch->cert == NULL) |
| 1098 | chunk_appendf(out, "Empty\n"); |
| 1099 | else if (LIST_ISEMPTY(&ckchs->ckch_inst)) |
| 1100 | chunk_appendf(out, "Unused\n"); |
| 1101 | else |
| 1102 | chunk_appendf(out, "Used\n"); |
| 1103 | |
| 1104 | if (ckchs->ckch->cert == NULL) |
| 1105 | goto end; |
| 1106 | |
| 1107 | chain = ckchs->ckch->chain; |
| 1108 | if (chain == NULL) { |
| 1109 | struct issuer_chain *issuer; |
| 1110 | issuer = ssl_get0_issuer_chain(ckchs->ckch->cert); |
| 1111 | if (issuer) { |
| 1112 | chain = issuer->chain; |
| 1113 | chunk_appendf(out, "Chain Filename: "); |
| 1114 | chunk_appendf(out, "%s\n", issuer->path); |
| 1115 | } |
| 1116 | } |
| 1117 | chunk_appendf(out, "Serial: "); |
| 1118 | if (ssl_sock_get_serial(ckchs->ckch->cert, tmp) == -1) |
| 1119 | goto end; |
| 1120 | dump_binary(out, tmp->area, tmp->data); |
| 1121 | chunk_appendf(out, "\n"); |
| 1122 | |
| 1123 | chunk_appendf(out, "notBefore: "); |
| 1124 | chunk_reset(tmp); |
| 1125 | if ((bio = BIO_new(BIO_s_mem())) == NULL) |
| 1126 | goto end; |
| 1127 | if (ASN1_TIME_print(bio, X509_getm_notBefore(ckchs->ckch->cert)) == 0) |
| 1128 | goto end; |
| 1129 | write = BIO_read(bio, tmp->area, tmp->size-1); |
| 1130 | tmp->area[write] = '\0'; |
| 1131 | BIO_free(bio); |
| 1132 | bio = NULL; |
| 1133 | chunk_appendf(out, "%s\n", tmp->area); |
| 1134 | |
| 1135 | chunk_appendf(out, "notAfter: "); |
| 1136 | chunk_reset(tmp); |
| 1137 | if ((bio = BIO_new(BIO_s_mem())) == NULL) |
| 1138 | goto end; |
| 1139 | if (ASN1_TIME_print(bio, X509_getm_notAfter(ckchs->ckch->cert)) == 0) |
| 1140 | goto end; |
| 1141 | if ((write = BIO_read(bio, tmp->area, tmp->size-1)) <= 0) |
| 1142 | goto end; |
| 1143 | tmp->area[write] = '\0'; |
| 1144 | BIO_free(bio); |
| 1145 | bio = NULL; |
| 1146 | chunk_appendf(out, "%s\n", tmp->area); |
| 1147 | |
| 1148 | #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME |
| 1149 | chunk_appendf(out, "Subject Alternative Name: "); |
| 1150 | if (ssl_sock_get_san_oneline(ckchs->ckch->cert, out) == -1) |
| 1151 | goto end; |
| 1152 | *(out->area + out->data) = '\0'; |
| 1153 | chunk_appendf(out, "\n"); |
| 1154 | #endif |
| 1155 | chunk_reset(tmp); |
| 1156 | chunk_appendf(out, "Algorithm: "); |
| 1157 | if (cert_get_pkey_algo(ckchs->ckch->cert, tmp) == 0) |
| 1158 | goto end; |
| 1159 | chunk_appendf(out, "%s\n", tmp->area); |
| 1160 | |
| 1161 | chunk_reset(tmp); |
| 1162 | chunk_appendf(out, "SHA1 FingerPrint: "); |
| 1163 | if (X509_digest(ckchs->ckch->cert, EVP_sha1(), (unsigned char *) tmp->area, &len) == 0) |
| 1164 | goto end; |
| 1165 | tmp->data = len; |
| 1166 | dump_binary(out, tmp->area, tmp->data); |
| 1167 | chunk_appendf(out, "\n"); |
| 1168 | |
| 1169 | chunk_appendf(out, "Subject: "); |
| 1170 | if ((name = X509_get_subject_name(ckchs->ckch->cert)) == NULL) |
| 1171 | goto end; |
| 1172 | if ((ssl_sock_get_dn_oneline(name, tmp)) == -1) |
| 1173 | goto end; |
| 1174 | *(tmp->area + tmp->data) = '\0'; |
| 1175 | chunk_appendf(out, "%s\n", tmp->area); |
| 1176 | |
| 1177 | chunk_appendf(out, "Issuer: "); |
| 1178 | if ((name = X509_get_issuer_name(ckchs->ckch->cert)) == NULL) |
| 1179 | goto end; |
| 1180 | if ((ssl_sock_get_dn_oneline(name, tmp)) == -1) |
| 1181 | goto end; |
| 1182 | *(tmp->area + tmp->data) = '\0'; |
| 1183 | chunk_appendf(out, "%s\n", tmp->area); |
| 1184 | |
| 1185 | /* Displays subject of each certificate in the chain */ |
| 1186 | for (i = 0; i < sk_X509_num(chain); i++) { |
| 1187 | X509 *ca = sk_X509_value(chain, i); |
| 1188 | |
| 1189 | chunk_appendf(out, "Chain Subject: "); |
| 1190 | if ((name = X509_get_subject_name(ca)) == NULL) |
| 1191 | goto end; |
| 1192 | if ((ssl_sock_get_dn_oneline(name, tmp)) == -1) |
| 1193 | goto end; |
| 1194 | *(tmp->area + tmp->data) = '\0'; |
| 1195 | chunk_appendf(out, "%s\n", tmp->area); |
| 1196 | |
| 1197 | chunk_appendf(out, "Chain Issuer: "); |
| 1198 | if ((name = X509_get_issuer_name(ca)) == NULL) |
| 1199 | goto end; |
| 1200 | if ((ssl_sock_get_dn_oneline(name, tmp)) == -1) |
| 1201 | goto end; |
| 1202 | *(tmp->area + tmp->data) = '\0'; |
| 1203 | chunk_appendf(out, "%s\n", tmp->area); |
| 1204 | } |
| 1205 | } |
| 1206 | |
| 1207 | end: |
| 1208 | if (ci_putchk(si_ic(si), out) == -1) { |
| 1209 | si_rx_room_blk(si); |
| 1210 | goto yield; |
| 1211 | } |
| 1212 | |
| 1213 | end_no_putchk: |
| 1214 | if (bio) |
| 1215 | BIO_free(bio); |
| 1216 | free_trash_chunk(tmp); |
| 1217 | free_trash_chunk(out); |
| 1218 | return 1; |
| 1219 | yield: |
| 1220 | free_trash_chunk(tmp); |
| 1221 | free_trash_chunk(out); |
| 1222 | return 0; /* should come back */ |
| 1223 | } |
| 1224 | |
| 1225 | /* parsing function for 'show ssl cert [certfile]' */ |
| 1226 | static int cli_parse_show_cert(char **args, char *payload, struct appctx *appctx, void *private) |
| 1227 | { |
| 1228 | struct ckch_store *ckchs; |
| 1229 | |
| 1230 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 1231 | return cli_err(appctx, "Can't allocate memory!\n"); |
| 1232 | |
| 1233 | /* The operations on the CKCH architecture are locked so we can |
| 1234 | * manipulate ckch_store and ckch_inst */ |
| 1235 | if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock)) |
| 1236 | return cli_err(appctx, "Can't show!\nOperations on certificates are currently locked!\n"); |
| 1237 | |
| 1238 | /* check if there is a certificate to lookup */ |
| 1239 | if (*args[3]) { |
| 1240 | if (*args[3] == '*') { |
| 1241 | if (!ckchs_transaction.new_ckchs) |
| 1242 | goto error; |
| 1243 | |
| 1244 | ckchs = ckchs_transaction.new_ckchs; |
| 1245 | |
| 1246 | if (strcmp(args[3] + 1, ckchs->path)) |
| 1247 | goto error; |
| 1248 | |
| 1249 | } else { |
| 1250 | if ((ckchs = ckchs_lookup(args[3])) == NULL) |
| 1251 | goto error; |
| 1252 | |
| 1253 | } |
| 1254 | |
| 1255 | if (ckchs->multi) |
| 1256 | goto error; |
| 1257 | |
| 1258 | appctx->ctx.cli.p0 = ckchs; |
| 1259 | /* use the IO handler that shows details */ |
| 1260 | appctx->io_handler = cli_io_handler_show_cert_detail; |
| 1261 | } |
| 1262 | |
| 1263 | return 0; |
| 1264 | |
| 1265 | error: |
| 1266 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1267 | return cli_err(appctx, "Can't display the certificate: Not found or the certificate is a bundle!\n"); |
| 1268 | } |
| 1269 | |
| 1270 | /* release function of the `set ssl cert' command, free things and unlock the spinlock */ |
| 1271 | static void cli_release_commit_cert(struct appctx *appctx) |
| 1272 | { |
| 1273 | struct ckch_store *new_ckchs; |
| 1274 | |
| 1275 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1276 | |
| 1277 | if (appctx->st2 != SETCERT_ST_FIN) { |
| 1278 | /* free every new sni_ctx and the new store, which are not in the trees so no spinlock there */ |
| 1279 | new_ckchs = appctx->ctx.ssl.new_ckchs; |
| 1280 | |
| 1281 | /* if the allocation failed, we need to free everything from the temporary list */ |
| 1282 | ckch_store_free(new_ckchs); |
| 1283 | } |
| 1284 | } |
| 1285 | |
| 1286 | /* |
| 1287 | * This function tries to create the new ckch_inst and their SNIs |
| 1288 | */ |
| 1289 | static int cli_io_handler_commit_cert(struct appctx *appctx) |
| 1290 | { |
| 1291 | struct stream_interface *si = appctx->owner; |
| 1292 | int y = 0; |
| 1293 | char *err = NULL; |
| 1294 | int errcode = 0; |
| 1295 | struct ckch_store *old_ckchs, *new_ckchs = NULL; |
| 1296 | struct ckch_inst *ckchi, *ckchis; |
| 1297 | struct buffer *trash = alloc_trash_chunk(); |
| 1298 | struct sni_ctx *sc0, *sc0s; |
| 1299 | struct crtlist_entry *entry; |
| 1300 | |
| 1301 | if (trash == NULL) |
| 1302 | goto error; |
| 1303 | |
| 1304 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 1305 | goto error; |
| 1306 | |
| 1307 | while (1) { |
| 1308 | switch (appctx->st2) { |
| 1309 | case SETCERT_ST_INIT: |
| 1310 | /* This state just print the update message */ |
| 1311 | chunk_printf(trash, "Committing %s", ckchs_transaction.path); |
| 1312 | if (ci_putchk(si_ic(si), trash) == -1) { |
| 1313 | si_rx_room_blk(si); |
| 1314 | goto yield; |
| 1315 | } |
| 1316 | appctx->st2 = SETCERT_ST_GEN; |
| 1317 | /* fallthrough */ |
| 1318 | case SETCERT_ST_GEN: |
| 1319 | /* |
| 1320 | * This state generates the ckch instances with their |
| 1321 | * sni_ctxs and SSL_CTX. |
| 1322 | * |
| 1323 | * Since the SSL_CTX generation can be CPU consumer, we |
| 1324 | * yield every 10 instances. |
| 1325 | */ |
| 1326 | |
| 1327 | old_ckchs = appctx->ctx.ssl.old_ckchs; |
| 1328 | new_ckchs = appctx->ctx.ssl.new_ckchs; |
| 1329 | |
| 1330 | if (!new_ckchs) |
| 1331 | continue; |
| 1332 | |
| 1333 | /* get the next ckchi to regenerate */ |
| 1334 | ckchi = appctx->ctx.ssl.next_ckchi; |
| 1335 | /* we didn't start yet, set it to the first elem */ |
| 1336 | if (ckchi == NULL) |
| 1337 | ckchi = LIST_ELEM(old_ckchs->ckch_inst.n, typeof(ckchi), by_ckchs); |
| 1338 | |
| 1339 | /* walk through the old ckch_inst and creates new ckch_inst using the updated ckchs */ |
| 1340 | list_for_each_entry_from(ckchi, &old_ckchs->ckch_inst, by_ckchs) { |
| 1341 | struct ckch_inst *new_inst; |
| 1342 | char **sni_filter = NULL; |
| 1343 | int fcount = 0; |
| 1344 | |
| 1345 | /* it takes a lot of CPU to creates SSL_CTXs, so we yield every 10 CKCH instances */ |
| 1346 | if (y >= 10) { |
| 1347 | /* save the next ckchi to compute */ |
| 1348 | appctx->ctx.ssl.next_ckchi = ckchi; |
| 1349 | goto yield; |
| 1350 | } |
| 1351 | |
| 1352 | if (ckchi->crtlist_entry) { |
| 1353 | sni_filter = ckchi->crtlist_entry->filters; |
| 1354 | fcount = ckchi->crtlist_entry->fcount; |
| 1355 | } |
| 1356 | |
| 1357 | if (new_ckchs->multi) |
| 1358 | errcode |= ckch_inst_new_load_multi_store(new_ckchs->path, new_ckchs, ckchi->bind_conf, ckchi->ssl_conf, sni_filter, fcount, &new_inst, &err); |
| 1359 | else |
| 1360 | errcode |= ckch_inst_new_load_store(new_ckchs->path, new_ckchs, ckchi->bind_conf, ckchi->ssl_conf, sni_filter, fcount, &new_inst, &err); |
| 1361 | |
| 1362 | if (errcode & ERR_CODE) |
| 1363 | goto error; |
| 1364 | |
| 1365 | /* if the previous ckchi was used as the default */ |
| 1366 | if (ckchi->is_default) |
| 1367 | new_inst->is_default = 1; |
| 1368 | |
| 1369 | /* we need to initialize the SSL_CTX generated */ |
| 1370 | /* this iterate on the newly generated SNIs in the new instance to prepare their SSL_CTX */ |
| 1371 | list_for_each_entry_safe(sc0, sc0s, &new_inst->sni_ctx, by_ckch_inst) { |
| 1372 | if (!sc0->order) { /* we initialized only the first SSL_CTX because it's the same in the other sni_ctx's */ |
| 1373 | errcode |= ssl_sock_prepare_ctx(ckchi->bind_conf, ckchi->ssl_conf, sc0->ctx, &err); |
| 1374 | if (errcode & ERR_CODE) |
| 1375 | goto error; |
| 1376 | } |
| 1377 | } |
| 1378 | |
| 1379 | |
| 1380 | /* display one dot per new instance */ |
| 1381 | chunk_appendf(trash, "."); |
| 1382 | /* link the new ckch_inst to the duplicate */ |
| 1383 | LIST_ADDQ(&new_ckchs->ckch_inst, &new_inst->by_ckchs); |
| 1384 | y++; |
| 1385 | } |
| 1386 | appctx->st2 = SETCERT_ST_INSERT; |
| 1387 | /* fallthrough */ |
| 1388 | case SETCERT_ST_INSERT: |
| 1389 | /* The generation is finished, we can insert everything */ |
| 1390 | |
| 1391 | old_ckchs = appctx->ctx.ssl.old_ckchs; |
| 1392 | new_ckchs = appctx->ctx.ssl.new_ckchs; |
| 1393 | |
| 1394 | if (!new_ckchs) |
| 1395 | continue; |
| 1396 | |
| 1397 | /* get the list of crtlist_entry in the old store, and update the pointers to the store */ |
| 1398 | LIST_SPLICE(&new_ckchs->crtlist_entry, &old_ckchs->crtlist_entry); |
| 1399 | list_for_each_entry(entry, &new_ckchs->crtlist_entry, by_ckch_store) { |
| 1400 | ebpt_delete(&entry->node); |
| 1401 | /* change the ptr and reinsert the node */ |
| 1402 | entry->node.key = new_ckchs; |
| 1403 | ebpt_insert(&entry->crtlist->entries, &entry->node); |
| 1404 | } |
| 1405 | |
| 1406 | /* First, we insert every new SNIs in the trees, also replace the default_ctx */ |
| 1407 | list_for_each_entry_safe(ckchi, ckchis, &new_ckchs->ckch_inst, by_ckchs) { |
| 1408 | HA_RWLOCK_WRLOCK(SNI_LOCK, &ckchi->bind_conf->sni_lock); |
| 1409 | ssl_sock_load_cert_sni(ckchi, ckchi->bind_conf); |
| 1410 | HA_RWLOCK_WRUNLOCK(SNI_LOCK, &ckchi->bind_conf->sni_lock); |
| 1411 | } |
| 1412 | |
| 1413 | /* delete the old sni_ctx, the old ckch_insts and the ckch_store */ |
| 1414 | list_for_each_entry_safe(ckchi, ckchis, &old_ckchs->ckch_inst, by_ckchs) { |
| 1415 | struct bind_conf __maybe_unused *bind_conf = ckchi->bind_conf; |
| 1416 | |
| 1417 | HA_RWLOCK_WRLOCK(SNI_LOCK, &bind_conf->sni_lock); |
| 1418 | ckch_inst_free(ckchi); |
| 1419 | HA_RWLOCK_WRUNLOCK(SNI_LOCK, &bind_conf->sni_lock); |
| 1420 | } |
| 1421 | |
| 1422 | /* Replace the old ckchs by the new one */ |
| 1423 | ckch_store_free(old_ckchs); |
| 1424 | ebst_insert(&ckchs_tree, &new_ckchs->node); |
| 1425 | appctx->st2 = SETCERT_ST_FIN; |
| 1426 | /* fallthrough */ |
| 1427 | case SETCERT_ST_FIN: |
| 1428 | /* we achieved the transaction, we can set everything to NULL */ |
| 1429 | free(ckchs_transaction.path); |
| 1430 | ckchs_transaction.path = NULL; |
| 1431 | ckchs_transaction.new_ckchs = NULL; |
| 1432 | ckchs_transaction.old_ckchs = NULL; |
| 1433 | goto end; |
| 1434 | } |
| 1435 | } |
| 1436 | end: |
| 1437 | |
| 1438 | chunk_appendf(trash, "\n"); |
| 1439 | if (errcode & ERR_WARN) |
| 1440 | chunk_appendf(trash, "%s", err); |
| 1441 | chunk_appendf(trash, "Success!\n"); |
| 1442 | if (ci_putchk(si_ic(si), trash) == -1) |
| 1443 | si_rx_room_blk(si); |
| 1444 | free_trash_chunk(trash); |
| 1445 | /* success: call the release function and don't come back */ |
| 1446 | return 1; |
| 1447 | yield: |
| 1448 | /* store the state */ |
| 1449 | if (ci_putchk(si_ic(si), trash) == -1) |
| 1450 | si_rx_room_blk(si); |
| 1451 | free_trash_chunk(trash); |
| 1452 | si_rx_endp_more(si); /* let's come back later */ |
| 1453 | return 0; /* should come back */ |
| 1454 | |
| 1455 | error: |
| 1456 | /* spin unlock and free are done in the release function */ |
| 1457 | if (trash) { |
| 1458 | chunk_appendf(trash, "\n%sFailed!\n", err); |
| 1459 | if (ci_putchk(si_ic(si), trash) == -1) |
| 1460 | si_rx_room_blk(si); |
| 1461 | free_trash_chunk(trash); |
| 1462 | } |
| 1463 | /* error: call the release function and don't come back */ |
| 1464 | return 1; |
| 1465 | } |
| 1466 | |
| 1467 | /* |
| 1468 | * Parsing function of 'commit ssl cert' |
| 1469 | */ |
| 1470 | static int cli_parse_commit_cert(char **args, char *payload, struct appctx *appctx, void *private) |
| 1471 | { |
| 1472 | char *err = NULL; |
| 1473 | |
| 1474 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1475 | return 1; |
| 1476 | |
| 1477 | if (!*args[3]) |
| 1478 | return cli_err(appctx, "'commit ssl cert expects a filename\n"); |
| 1479 | |
| 1480 | /* The operations on the CKCH architecture are locked so we can |
| 1481 | * manipulate ckch_store and ckch_inst */ |
| 1482 | if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock)) |
| 1483 | return cli_err(appctx, "Can't commit the certificate!\nOperations on certificates are currently locked!\n"); |
| 1484 | |
| 1485 | if (!ckchs_transaction.path) { |
| 1486 | memprintf(&err, "No ongoing transaction! !\n"); |
| 1487 | goto error; |
| 1488 | } |
| 1489 | |
| 1490 | if (strcmp(ckchs_transaction.path, args[3]) != 0) { |
| 1491 | memprintf(&err, "The ongoing transaction is about '%s' but you are trying to set '%s'\n", ckchs_transaction.path, args[3]); |
| 1492 | goto error; |
| 1493 | } |
| 1494 | |
| 1495 | #if HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL |
| 1496 | if (ckchs_transaction.new_ckchs->multi) { |
| 1497 | int n; |
| 1498 | |
| 1499 | for (n = 0; n < SSL_SOCK_NUM_KEYTYPES; n++) { |
| 1500 | if (ckchs_transaction.new_ckchs->ckch[n].cert && !X509_check_private_key(ckchs_transaction.new_ckchs->ckch[n].cert, ckchs_transaction.new_ckchs->ckch[n].key)) { |
| 1501 | memprintf(&err, "inconsistencies between private key and certificate loaded '%s'.\n", ckchs_transaction.path); |
| 1502 | goto error; |
| 1503 | } |
| 1504 | } |
| 1505 | } else |
| 1506 | #endif |
| 1507 | { |
| 1508 | if (!X509_check_private_key(ckchs_transaction.new_ckchs->ckch->cert, ckchs_transaction.new_ckchs->ckch->key)) { |
| 1509 | memprintf(&err, "inconsistencies between private key and certificate loaded '%s'.\n", ckchs_transaction.path); |
| 1510 | goto error; |
| 1511 | } |
| 1512 | } |
| 1513 | |
| 1514 | /* init the appctx structure */ |
| 1515 | appctx->st2 = SETCERT_ST_INIT; |
| 1516 | appctx->ctx.ssl.next_ckchi = NULL; |
| 1517 | appctx->ctx.ssl.new_ckchs = ckchs_transaction.new_ckchs; |
| 1518 | appctx->ctx.ssl.old_ckchs = ckchs_transaction.old_ckchs; |
| 1519 | |
| 1520 | /* we don't unlock there, it will be unlock after the IO handler, in the release handler */ |
| 1521 | return 0; |
| 1522 | |
| 1523 | error: |
| 1524 | |
| 1525 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1526 | err = memprintf(&err, "%sCan't commit %s!\n", err ? err : "", args[3]); |
| 1527 | |
| 1528 | return cli_dynerr(appctx, err); |
| 1529 | } |
| 1530 | |
| 1531 | |
| 1532 | |
| 1533 | |
| 1534 | /* |
| 1535 | * Parsing function of `set ssl cert`, it updates or creates a temporary ckch. |
| 1536 | */ |
| 1537 | static int cli_parse_set_cert(char **args, char *payload, struct appctx *appctx, void *private) |
| 1538 | { |
| 1539 | struct ckch_store *new_ckchs = NULL; |
| 1540 | struct ckch_store *old_ckchs = NULL; |
| 1541 | char *err = NULL; |
| 1542 | int i; |
| 1543 | int bundle = -1; /* TRUE if >= 0 (ckch index) */ |
| 1544 | int errcode = 0; |
| 1545 | char *end; |
| 1546 | int type = CERT_TYPE_PEM; |
| 1547 | struct cert_key_and_chain *ckch; |
| 1548 | struct buffer *buf; |
| 1549 | |
| 1550 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1551 | return 1; |
| 1552 | |
William Lallemand | da8584c | 2020-05-14 10:14:37 +0200 | [diff] [blame] | 1553 | if (!*args[3] || !payload) |
| 1554 | return cli_err(appctx, "'set ssl cert expects a filename and a certificate as a payload\n"); |
| 1555 | |
| 1556 | /* The operations on the CKCH architecture are locked so we can |
| 1557 | * manipulate ckch_store and ckch_inst */ |
| 1558 | if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock)) |
| 1559 | return cli_err(appctx, "Can't update the certificate!\nOperations on certificates are currently locked!\n"); |
| 1560 | |
William Lallemand | e5ff4ad | 2020-06-08 09:40:37 +0200 | [diff] [blame] | 1561 | if ((buf = alloc_trash_chunk()) == NULL) |
| 1562 | return cli_err(appctx, "Can't allocate memory\n"); |
| 1563 | |
William Lallemand | da8584c | 2020-05-14 10:14:37 +0200 | [diff] [blame] | 1564 | if (!chunk_strcpy(buf, args[3])) { |
| 1565 | memprintf(&err, "%sCan't allocate memory\n", err ? err : ""); |
| 1566 | errcode |= ERR_ALERT | ERR_FATAL; |
| 1567 | goto end; |
| 1568 | } |
| 1569 | |
| 1570 | /* check which type of file we want to update */ |
| 1571 | for (i = 0; cert_exts[i].type < CERT_TYPE_MAX; i++) { |
| 1572 | end = strrchr(buf->area, '.'); |
| 1573 | if (end && *cert_exts[i].ext && (!strcmp(end + 1, cert_exts[i].ext))) { |
| 1574 | *end = '\0'; |
| 1575 | type = cert_exts[i].type; |
| 1576 | break; |
| 1577 | } |
| 1578 | } |
| 1579 | |
| 1580 | appctx->ctx.ssl.old_ckchs = NULL; |
| 1581 | appctx->ctx.ssl.new_ckchs = NULL; |
| 1582 | |
| 1583 | /* if there is an ongoing transaction */ |
| 1584 | if (ckchs_transaction.path) { |
| 1585 | /* if the ongoing transaction is a bundle, we need to find which part of the bundle need to be updated */ |
| 1586 | #if HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL |
| 1587 | if (ckchs_transaction.new_ckchs->multi) { |
| 1588 | char *end; |
| 1589 | int j; |
| 1590 | |
| 1591 | /* check if it was used in a bundle by removing the |
| 1592 | * .dsa/.rsa/.ecdsa at the end of the filename */ |
| 1593 | end = strrchr(buf->area, '.'); |
| 1594 | for (j = 0; end && j < SSL_SOCK_NUM_KEYTYPES; j++) { |
| 1595 | if (!strcmp(end + 1, SSL_SOCK_KEYTYPE_NAMES[j])) { |
| 1596 | bundle = j; /* keep the type of certificate so we insert it at the right place */ |
| 1597 | *end = '\0'; /* it's a bundle let's end the string*/ |
| 1598 | break; |
| 1599 | } |
| 1600 | } |
| 1601 | if (bundle < 0) { |
| 1602 | memprintf(&err, "The ongoing transaction is the '%s' bundle. You need to specify which part of the bundle you want to update ('%s.{rsa,ecdsa,dsa}')\n", ckchs_transaction.path, buf->area); |
| 1603 | errcode |= ERR_ALERT | ERR_FATAL; |
| 1604 | goto end; |
| 1605 | } |
| 1606 | } |
| 1607 | #endif |
| 1608 | |
| 1609 | /* if there is an ongoing transaction, check if this is the same file */ |
| 1610 | if (strcmp(ckchs_transaction.path, buf->area) != 0) { |
| 1611 | memprintf(&err, "The ongoing transaction is about '%s' but you are trying to set '%s'\n", ckchs_transaction.path, buf->area); |
| 1612 | errcode |= ERR_ALERT | ERR_FATAL; |
| 1613 | goto end; |
| 1614 | } |
| 1615 | |
| 1616 | appctx->ctx.ssl.old_ckchs = ckchs_transaction.new_ckchs; |
| 1617 | |
| 1618 | } else { |
| 1619 | struct ckch_store *find_ckchs[2] = { NULL, NULL }; |
| 1620 | |
| 1621 | /* lookup for the certificate in the tree: |
| 1622 | * check if this is used as a bundle AND as a unique certificate */ |
| 1623 | for (i = 0; i < 2; i++) { |
| 1624 | |
| 1625 | if ((find_ckchs[i] = ckchs_lookup(buf->area)) != NULL) { |
| 1626 | /* only the bundle name is in the tree and you should |
| 1627 | * never update a bundle name, only a filename */ |
| 1628 | if (bundle < 0 && find_ckchs[i]->multi) { |
| 1629 | /* we tried to look for a non-bundle and we found a bundle */ |
| 1630 | memprintf(&err, "%s%s is a multi-cert bundle. Try updating %s.{dsa,rsa,ecdsa}\n", |
| 1631 | err ? err : "", args[3], args[3]); |
| 1632 | errcode |= ERR_ALERT | ERR_FATAL; |
| 1633 | goto end; |
| 1634 | } |
| 1635 | /* If we want a bundle but this is not a bundle |
| 1636 | * example: When you try to update <file>.rsa, but |
| 1637 | * <file> is a regular file */ |
| 1638 | if (bundle >= 0 && find_ckchs[i]->multi == 0) { |
| 1639 | find_ckchs[i] = NULL; |
| 1640 | break; |
| 1641 | } |
| 1642 | } |
| 1643 | #if HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL |
| 1644 | { |
| 1645 | char *end; |
| 1646 | int j; |
| 1647 | |
| 1648 | /* check if it was used in a bundle by removing the |
| 1649 | * .dsa/.rsa/.ecdsa at the end of the filename */ |
| 1650 | end = strrchr(buf->area, '.'); |
| 1651 | for (j = 0; end && j < SSL_SOCK_NUM_KEYTYPES; j++) { |
| 1652 | if (!strcmp(end + 1, SSL_SOCK_KEYTYPE_NAMES[j])) { |
| 1653 | bundle = j; /* keep the type of certificate so we insert it at the right place */ |
| 1654 | *end = '\0'; /* it's a bundle let's end the string*/ |
| 1655 | break; |
| 1656 | } |
| 1657 | } |
| 1658 | if (bundle < 0) /* we didn't find a bundle extension */ |
| 1659 | break; |
| 1660 | } |
| 1661 | #else |
| 1662 | /* bundles are not supported here, so we don't need to lookup again */ |
| 1663 | break; |
| 1664 | #endif |
| 1665 | } |
| 1666 | |
| 1667 | if (find_ckchs[0] && find_ckchs[1]) { |
| 1668 | memprintf(&err, "%sUpdating a certificate which is used in the HAProxy configuration as a bundle and as a unique certificate is not supported. ('%s' and '%s')\n", |
| 1669 | err ? err : "", find_ckchs[0]->path, find_ckchs[1]->path); |
| 1670 | errcode |= ERR_ALERT | ERR_FATAL; |
| 1671 | goto end; |
| 1672 | } |
| 1673 | |
| 1674 | appctx->ctx.ssl.old_ckchs = find_ckchs[0] ? find_ckchs[0] : find_ckchs[1]; |
| 1675 | } |
| 1676 | |
| 1677 | if (!appctx->ctx.ssl.old_ckchs) { |
| 1678 | memprintf(&err, "%sCan't replace a certificate which is not referenced by the configuration!\n", |
| 1679 | err ? err : ""); |
| 1680 | errcode |= ERR_ALERT | ERR_FATAL; |
| 1681 | goto end; |
| 1682 | } |
| 1683 | |
| 1684 | if (!appctx->ctx.ssl.path) { |
| 1685 | /* this is a new transaction, set the path of the transaction */ |
| 1686 | appctx->ctx.ssl.path = strdup(appctx->ctx.ssl.old_ckchs->path); |
| 1687 | if (!appctx->ctx.ssl.path) { |
| 1688 | memprintf(&err, "%sCan't allocate memory\n", err ? err : ""); |
| 1689 | errcode |= ERR_ALERT | ERR_FATAL; |
| 1690 | goto end; |
| 1691 | } |
| 1692 | } |
| 1693 | |
| 1694 | old_ckchs = appctx->ctx.ssl.old_ckchs; |
| 1695 | |
| 1696 | /* duplicate the ckch store */ |
| 1697 | new_ckchs = ckchs_dup(old_ckchs); |
| 1698 | if (!new_ckchs) { |
| 1699 | memprintf(&err, "%sCannot allocate memory!\n", |
| 1700 | err ? err : ""); |
| 1701 | errcode |= ERR_ALERT | ERR_FATAL; |
| 1702 | goto end; |
| 1703 | } |
| 1704 | |
| 1705 | if (!new_ckchs->multi) |
| 1706 | ckch = new_ckchs->ckch; |
| 1707 | else |
| 1708 | ckch = &new_ckchs->ckch[bundle]; |
| 1709 | |
| 1710 | /* appply the change on the duplicate */ |
| 1711 | if (cert_exts[type].load(buf->area, payload, ckch, &err) != 0) { |
| 1712 | memprintf(&err, "%sCan't load the payload\n", err ? err : ""); |
| 1713 | errcode |= ERR_ALERT | ERR_FATAL; |
| 1714 | goto end; |
| 1715 | } |
| 1716 | |
| 1717 | appctx->ctx.ssl.new_ckchs = new_ckchs; |
| 1718 | |
| 1719 | /* we succeed, we can save the ckchs in the transaction */ |
| 1720 | |
| 1721 | /* if there wasn't a transaction, update the old ckchs */ |
| 1722 | if (!ckchs_transaction.old_ckchs) { |
| 1723 | ckchs_transaction.old_ckchs = appctx->ctx.ssl.old_ckchs; |
| 1724 | ckchs_transaction.path = appctx->ctx.ssl.path; |
| 1725 | err = memprintf(&err, "Transaction created for certificate %s!\n", ckchs_transaction.path); |
| 1726 | } else { |
| 1727 | err = memprintf(&err, "Transaction updated for certificate %s!\n", ckchs_transaction.path); |
| 1728 | |
| 1729 | } |
| 1730 | |
| 1731 | /* free the previous ckchs if there was a transaction */ |
| 1732 | ckch_store_free(ckchs_transaction.new_ckchs); |
| 1733 | |
| 1734 | ckchs_transaction.new_ckchs = appctx->ctx.ssl.new_ckchs; |
| 1735 | |
| 1736 | |
| 1737 | /* creates the SNI ctxs later in the IO handler */ |
| 1738 | |
| 1739 | end: |
| 1740 | free_trash_chunk(buf); |
| 1741 | |
| 1742 | if (errcode & ERR_CODE) { |
| 1743 | |
| 1744 | ckch_store_free(appctx->ctx.ssl.new_ckchs); |
| 1745 | appctx->ctx.ssl.new_ckchs = NULL; |
| 1746 | |
| 1747 | appctx->ctx.ssl.old_ckchs = NULL; |
| 1748 | |
| 1749 | free(appctx->ctx.ssl.path); |
| 1750 | appctx->ctx.ssl.path = NULL; |
| 1751 | |
| 1752 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1753 | return cli_dynerr(appctx, memprintf(&err, "%sCan't update %s!\n", err ? err : "", args[3])); |
| 1754 | } else { |
| 1755 | |
| 1756 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1757 | return cli_dynmsg(appctx, LOG_NOTICE, err); |
| 1758 | } |
| 1759 | /* TODO: handle the ERR_WARN which are not handled because of the io_handler */ |
| 1760 | } |
| 1761 | |
| 1762 | /* parsing function of 'abort ssl cert' */ |
| 1763 | static int cli_parse_abort_cert(char **args, char *payload, struct appctx *appctx, void *private) |
| 1764 | { |
| 1765 | char *err = NULL; |
| 1766 | |
| 1767 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1768 | return 1; |
| 1769 | |
| 1770 | if (!*args[3]) |
| 1771 | return cli_err(appctx, "'abort ssl cert' expects a filename\n"); |
| 1772 | |
| 1773 | /* The operations on the CKCH architecture are locked so we can |
| 1774 | * manipulate ckch_store and ckch_inst */ |
| 1775 | if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock)) |
| 1776 | return cli_err(appctx, "Can't abort!\nOperations on certificates are currently locked!\n"); |
| 1777 | |
| 1778 | if (!ckchs_transaction.path) { |
| 1779 | memprintf(&err, "No ongoing transaction!\n"); |
| 1780 | goto error; |
| 1781 | } |
| 1782 | |
| 1783 | if (strcmp(ckchs_transaction.path, args[3]) != 0) { |
| 1784 | memprintf(&err, "The ongoing transaction is about '%s' but you are trying to abort a transaction for '%s'\n", ckchs_transaction.path, args[3]); |
| 1785 | goto error; |
| 1786 | } |
| 1787 | |
| 1788 | /* Only free the ckchs there, because the SNI and instances were not generated yet */ |
| 1789 | ckch_store_free(ckchs_transaction.new_ckchs); |
| 1790 | ckchs_transaction.new_ckchs = NULL; |
| 1791 | ckch_store_free(ckchs_transaction.old_ckchs); |
| 1792 | ckchs_transaction.old_ckchs = NULL; |
| 1793 | free(ckchs_transaction.path); |
| 1794 | ckchs_transaction.path = NULL; |
| 1795 | |
| 1796 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1797 | |
| 1798 | err = memprintf(&err, "Transaction aborted for certificate '%s'!\n", args[3]); |
| 1799 | return cli_dynmsg(appctx, LOG_NOTICE, err); |
| 1800 | |
| 1801 | error: |
| 1802 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1803 | |
| 1804 | return cli_dynerr(appctx, err); |
| 1805 | } |
| 1806 | |
| 1807 | /* parsing function of 'new ssl cert' */ |
| 1808 | static int cli_parse_new_cert(char **args, char *payload, struct appctx *appctx, void *private) |
| 1809 | { |
| 1810 | struct ckch_store *store; |
| 1811 | char *err = NULL; |
| 1812 | char *path; |
| 1813 | |
| 1814 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1815 | return 1; |
| 1816 | |
| 1817 | if (!*args[3]) |
| 1818 | return cli_err(appctx, "'new ssl cert' expects a filename\n"); |
| 1819 | |
| 1820 | path = args[3]; |
| 1821 | |
| 1822 | /* The operations on the CKCH architecture are locked so we can |
| 1823 | * manipulate ckch_store and ckch_inst */ |
| 1824 | if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock)) |
| 1825 | return cli_err(appctx, "Can't create a certificate!\nOperations on certificates are currently locked!\n"); |
| 1826 | |
| 1827 | store = ckchs_lookup(path); |
| 1828 | if (store != NULL) { |
| 1829 | memprintf(&err, "Certificate '%s' already exists!\n", path); |
| 1830 | store = NULL; /* we don't want to free it */ |
| 1831 | goto error; |
| 1832 | } |
| 1833 | /* we won't support multi-certificate bundle here */ |
| 1834 | store = ckch_store_new(path, 1); |
| 1835 | if (!store) { |
| 1836 | memprintf(&err, "unable to allocate memory.\n"); |
| 1837 | goto error; |
| 1838 | } |
| 1839 | |
| 1840 | /* insert into the ckchs tree */ |
| 1841 | ebst_insert(&ckchs_tree, &store->node); |
| 1842 | memprintf(&err, "New empty certificate store '%s'!\n", args[3]); |
| 1843 | |
| 1844 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1845 | return cli_dynmsg(appctx, LOG_NOTICE, err); |
| 1846 | error: |
| 1847 | free(store); |
| 1848 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1849 | return cli_dynerr(appctx, err); |
| 1850 | } |
| 1851 | |
| 1852 | /* parsing function of 'del ssl cert' */ |
| 1853 | static int cli_parse_del_cert(char **args, char *payload, struct appctx *appctx, void *private) |
| 1854 | { |
| 1855 | struct ckch_store *store; |
| 1856 | char *err = NULL; |
| 1857 | char *filename; |
| 1858 | |
| 1859 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1860 | return 1; |
| 1861 | |
| 1862 | if (!*args[3]) |
| 1863 | return cli_err(appctx, "'del ssl cert' expects a certificate name\n"); |
| 1864 | |
| 1865 | if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock)) |
| 1866 | return cli_err(appctx, "Can't delete the certificate!\nOperations on certificates are currently locked!\n"); |
| 1867 | |
| 1868 | filename = args[3]; |
| 1869 | |
| 1870 | store = ckchs_lookup(filename); |
| 1871 | if (store == NULL) { |
| 1872 | memprintf(&err, "certificate '%s' doesn't exist!\n", filename); |
| 1873 | goto error; |
| 1874 | } |
| 1875 | if (!LIST_ISEMPTY(&store->ckch_inst)) { |
| 1876 | memprintf(&err, "certificate '%s' in use, can't be deleted!\n", filename); |
| 1877 | goto error; |
| 1878 | } |
| 1879 | |
| 1880 | ebmb_delete(&store->node); |
| 1881 | ckch_store_free(store); |
| 1882 | |
| 1883 | memprintf(&err, "Certificate '%s' deleted!\n", filename); |
| 1884 | |
| 1885 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1886 | return cli_dynmsg(appctx, LOG_NOTICE, err); |
| 1887 | |
| 1888 | error: |
| 1889 | memprintf(&err, "Can't remove the certificate: %s\n", err ? err : ""); |
| 1890 | HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock); |
| 1891 | return cli_dynerr(appctx, err); |
| 1892 | } |
| 1893 | |
| 1894 | |
| 1895 | /* register cli keywords */ |
| 1896 | static struct cli_kw_list cli_kws = {{ },{ |
| 1897 | { { "new", "ssl", "cert", NULL }, "new ssl cert <certfile> : create a new certificate file to be used in a crt-list or a directory", cli_parse_new_cert, NULL, NULL }, |
| 1898 | { { "set", "ssl", "cert", NULL }, "set ssl cert <certfile> <payload> : replace a certificate file", cli_parse_set_cert, NULL, NULL }, |
| 1899 | { { "commit", "ssl", "cert", NULL }, "commit ssl cert <certfile> : commit a certificate file", cli_parse_commit_cert, cli_io_handler_commit_cert, cli_release_commit_cert }, |
| 1900 | { { "abort", "ssl", "cert", NULL }, "abort ssl cert <certfile> : abort a transaction for a certificate file", cli_parse_abort_cert, NULL, NULL }, |
| 1901 | { { "del", "ssl", "cert", NULL }, "del ssl cert <certfile> : delete an unused certificate file", cli_parse_del_cert, NULL, NULL }, |
| 1902 | { { "show", "ssl", "cert", NULL }, "show ssl cert [<certfile>] : display the SSL certificates used in memory, or the details of a <certfile>", cli_parse_show_cert, cli_io_handler_show_cert, cli_release_show_cert }, |
| 1903 | { { NULL }, NULL, NULL, NULL } |
| 1904 | }}; |
| 1905 | |
| 1906 | INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws); |
| 1907 | |