/* * * Copyright (C) 2012 EXCELIANCE, Emeric Brun * Copyright (C) 2020 HAProxy Technologies, William Lallemand * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * * Configuration parsing for SSL. * This file is split in 3 parts: * - global section parsing * - bind keyword parsing * - server keyword parsing * * Please insert the new keywords at the right place */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /****************** Global Section Parsing ********************************************/ static int ssl_load_global_issuers_from_path(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { char *path; struct dirent **de_list; int i, n; struct stat buf; char *end; char fp[MAXPATHLEN+1]; if (too_many_args(1, args, err, NULL)) return -1; path = args[1]; if (*path == 0 || stat(path, &buf)) { memprintf(err, "%sglobal statement '%s' expects a directory path as an argument.\n", err && *err ? *err : "", args[0]); return -1; } if (S_ISDIR(buf.st_mode) == 0) { memprintf(err, "%sglobal statement '%s': %s is not a directory.\n", err && *err ? *err : "", args[0], path); return -1; } /* strip trailing slashes, including first one */ for (end = path + strlen(path) - 1; end >= path && *end == '/'; end--) *end = 0; /* path already parsed? */ if (global_ssl.issuers_chain_path && strcmp(global_ssl.issuers_chain_path, path) == 0) return 0; /* overwrite old issuers_chain_path */ free(global_ssl.issuers_chain_path); global_ssl.issuers_chain_path = strdup(path); ssl_free_global_issuers(); n = scandir(path, &de_list, 0, alphasort); if (n < 0) { memprintf(err, "%sglobal statement '%s': unable to scan directory '%s' : %s.\n", err && *err ? *err : "", args[0], path, strerror(errno)); return -1; } for (i = 0; i < n; i++) { struct dirent *de = de_list[i]; BIO *in = NULL; char *warn = NULL; snprintf(fp, sizeof(fp), "%s/%s", path, de->d_name); free(de); if (stat(fp, &buf) != 0) { ha_warning("unable to stat certificate from file '%s' : %s.\n", fp, strerror(errno)); goto next; } if (!S_ISREG(buf.st_mode)) goto next; in = BIO_new(BIO_s_file()); if (in == NULL) goto next; if (BIO_read_filename(in, fp) <= 0) goto next; ssl_load_global_issuer_from_BIO(in, fp, &warn); if (warn) { ha_warning("%s", warn); ha_free(&warn); } next: if (in) BIO_free(in); } free(de_list); return 0; } /* parse the "ssl-mode-async" keyword in global section. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_ssl_async(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { #ifdef SSL_MODE_ASYNC global_ssl.async = 1; global.ssl_used_async_engines = nb_engines; return 0; #else memprintf(err, "'%s': openssl library does not support async mode", args[0]); return -1; #endif } #if defined(USE_ENGINE) && !defined(OPENSSL_NO_ENGINE) /* parse the "ssl-engine" keyword in global section. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_ssl_engine(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { char *algo; int ret = -1; if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects a valid engine name as an argument.", args[0]); return ret; } if (*(args[2]) == 0) { /* if no list of algorithms is given, it defaults to ALL */ algo = strdup("ALL"); goto add_engine; } /* otherwise the expected format is ssl-engine algo */ if (strcmp(args[2], "algo") != 0) { memprintf(err, "global statement '%s' expects to have algo keyword.", args[0]); return ret; } if (*(args[3]) == 0) { memprintf(err, "global statement '%s' expects algorithm names as an argument.", args[0]); return ret; } algo = strdup(args[3]); add_engine: if (ssl_init_single_engine(args[1], algo)==0) { openssl_engines_initialized++; ret = 0; } free(algo); return ret; } #endif #ifdef HAVE_SSL_PROVIDERS /* parse the "ssl-propquery" keyword in global section. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_ssl_propquery(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { int ret = -1; if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects a property string as an argument.", args[0]); return ret; } if (EVP_set_default_properties(NULL, args[1])) ret = 0; return ret; } /* parse the "ssl-provider" keyword in global section. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_ssl_provider(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { int ret = -1; if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects a valid engine provider name as an argument.", args[0]); return ret; } if (ssl_init_provider(args[1]) == 0) ret = 0; return ret; } /* parse the "ssl-provider-path" keyword in global section. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_ssl_provider_path(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects a directory path as an argument.", args[0]); return -1; } OSSL_PROVIDER_set_default_search_path(NULL, args[1]); return 0; } #endif /* parse the "ssl-default-bind-ciphers" / "ssl-default-server-ciphers" keywords * in global section. Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_ciphers(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { char **target; target = (args[0][12] == 'b') ? &global_ssl.listen_default_ciphers : &global_ssl.connect_default_ciphers; if (too_many_args(1, args, err, NULL)) return -1; if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects a cipher suite as an argument.", args[0]); return -1; } free(*target); *target = strdup(args[1]); return 0; } /* parse the "ssl-default-bind-ciphersuites" / "ssl-default-server-ciphersuites" keywords * in global section. Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_ciphersuites(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { #ifdef HAVE_SSL_CTX_SET_CIPHERSUITES char **target; target = (args[0][12] == 'b') ? &global_ssl.listen_default_ciphersuites : &global_ssl.connect_default_ciphersuites; if (too_many_args(1, args, err, NULL)) return -1; if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects a cipher suite as an argument.", args[0]); return -1; } free(*target); *target = strdup(args[1]); return 0; #else /* ! HAVE_SSL_CTX_SET_CIPHERSUITES */ memprintf(err, "'%s' not supported for your SSL library (%s).", args[0], OPENSSL_VERSION_TEXT); return -1; #endif } #if defined(SSL_CTX_set1_curves_list) /* * parse the "ssl-default-bind-curves" keyword in a global section. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_curves(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { char **target; target = (args[0][12] == 'b') ? &global_ssl.listen_default_curves : &global_ssl.connect_default_curves; if (too_many_args(1, args, err, NULL)) return -1; if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects a curves suite as an arguments.", args[0]); return -1; } free(*target); *target = strdup(args[1]); return 0; } #endif #if defined(SSL_CTX_set1_sigalgs_list) /* * parse the "ssl-default-bind-sigalgs" and "ssl-default-server-sigalgs" keyword in a global section. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_sigalgs(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { char **target; target = (args[0][12] == 'b') ? &global_ssl.listen_default_sigalgs : &global_ssl.connect_default_sigalgs; if (too_many_args(1, args, err, NULL)) return -1; if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects a curves suite as an arguments.", args[0]); return -1; } free(*target); *target = strdup(args[1]); return 0; } #endif #if defined(SSL_CTX_set1_client_sigalgs_list) /* * parse the "ssl-default-bind-client-sigalgs" keyword in a global section. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_client_sigalgs(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { char **target; target = (args[0][12] == 'b') ? &global_ssl.listen_default_client_sigalgs : &global_ssl.connect_default_client_sigalgs; if (too_many_args(1, args, err, NULL)) return -1; if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects signature algorithms as an arguments.", args[0]); return -1; } free(*target); *target = strdup(args[1]); return 0; } #endif /* parse various global tune.ssl settings consisting in positive integers. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_int(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { int *target; if (strcmp(args[0], "tune.ssl.cachesize") == 0) target = &global.tune.sslcachesize; else if (strcmp(args[0], "tune.ssl.maxrecord") == 0) target = (int *)&global_ssl.max_record; else if (strcmp(args[0], "tune.ssl.hard-maxrecord") == 0) target = (int *)&global_ssl.hard_max_record; else if (strcmp(args[0], "tune.ssl.ssl-ctx-cache-size") == 0) target = &global_ssl.ctx_cache; else if (strcmp(args[0], "maxsslconn") == 0) target = &global.maxsslconn; else if (strcmp(args[0], "tune.ssl.capture-buffer-size") == 0) target = &global_ssl.capture_buffer_size; else if (strcmp(args[0], "tune.ssl.capture-cipherlist-size") == 0) { target = &global_ssl.capture_buffer_size; ha_warning("parsing [%s:%d]: '%s' is deprecated and will be removed in version 2.7. Please use 'tune.ssl.capture-buffer-size' instead.\n", file, line, args[0]); } else { memprintf(err, "'%s' keyword not unhandled (please report this bug).", args[0]); return -1; } if (too_many_args(1, args, err, NULL)) return -1; if (*(args[1]) == 0) { memprintf(err, "'%s' expects an integer argument.", args[0]); return -1; } *target = atoi(args[1]); if (*target < 0) { memprintf(err, "'%s' expects a positive numeric value.", args[0]); return -1; } return 0; } static int ssl_parse_global_capture_buffer(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { int ret; ret = ssl_parse_global_int(args, section_type, curpx, defpx, file, line, err); if (ret != 0) return ret; if (pool_head_ssl_capture) { memprintf(err, "'%s' is already configured.", args[0]); return -1; } pool_head_ssl_capture = create_pool("ssl-capture", sizeof(struct ssl_capture) + global_ssl.capture_buffer_size, MEM_F_SHARED); if (!pool_head_ssl_capture) { memprintf(err, "Out of memory error."); return -1; } return 0; } /* init the SSLKEYLOGFILE pool */ #ifdef HAVE_SSL_KEYLOG static int ssl_parse_global_keylog(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { if (too_many_args(1, args, err, NULL)) return -1; if (strcmp(args[1], "on") == 0) global_ssl.keylog = 1; else if (strcmp(args[1], "off") == 0) global_ssl.keylog = 0; else { memprintf(err, "'%s' expects either 'on' or 'off' but got '%s'.", args[0], args[1]); return -1; } if (pool_head_ssl_keylog) /* already configured */ return 0; pool_head_ssl_keylog = create_pool("ssl-keylogfile", sizeof(struct ssl_keylog), MEM_F_SHARED); if (!pool_head_ssl_keylog) { memprintf(err, "Out of memory error."); return -1; } pool_head_ssl_keylog_str = create_pool("ssl-keylogfile-str", sizeof(char) * SSL_KEYLOG_MAX_SECRET_SIZE, MEM_F_SHARED); if (!pool_head_ssl_keylog_str) { memprintf(err, "Out of memory error."); return -1; } return 0; } #else static int ssl_parse_global_keylog(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { memprintf(err, "'%s' requires at least OpenSSL 1.1.1.", args[0]); return -1; } #endif /* parse "ssl.force-private-cache". * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_private_cache(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { if (too_many_args(0, args, err, NULL)) return -1; global_ssl.private_cache = 1; return 0; } /* parse "ssl.lifetime". * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_lifetime(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { const char *res; if (too_many_args(1, args, err, NULL)) return -1; if (*(args[1]) == 0) { memprintf(err, "'%s' expects ssl sessions in seconds as argument.", args[0]); return -1; } res = parse_time_err(args[1], &global_ssl.life_time, TIME_UNIT_S); if (res == PARSE_TIME_OVER) { memprintf(err, "timer overflow in argument '%s' to <%s> (maximum value is 2147483647 s or ~68 years).", args[1], args[0]); return -1; } else if (res == PARSE_TIME_UNDER) { memprintf(err, "timer underflow in argument '%s' to <%s> (minimum non-null value is 1 s).", args[1], args[0]); return -1; } else if (res) { memprintf(err, "unexpected character '%c' in argument to <%s>.", *res, args[0]); return -1; } return 0; } #ifndef OPENSSL_NO_DH /* parse "ssl-dh-param-file". * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_dh_param_file(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { if (too_many_args(1, args, err, NULL)) return -1; if (*(args[1]) == 0) { memprintf(err, "'%s' expects a file path as an argument.", args[0]); return -1; } if (ssl_sock_load_global_dh_param_from_file(args[1])) { memprintf(err, "'%s': unable to load DH parameters from file <%s>.", args[0], args[1]); return -1; } return 0; } /* parse "ssl.default-dh-param". * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_default_dh(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { if (too_many_args(1, args, err, NULL)) return -1; if (*(args[1]) == 0) { memprintf(err, "'%s' expects an integer argument.", args[0]); return -1; } global_ssl.default_dh_param = atoi(args[1]); if (global_ssl.default_dh_param < 1024) { memprintf(err, "'%s' expects a value >= 1024.", args[0]); return -1; } return 0; } #endif /* * parse "ssl-load-extra-files". * multiple arguments are allowed: "bundle", "sctl", "ocsp", "issuer", "all", "none" */ static int ssl_parse_global_extra_files(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { int i; int gf = SSL_GF_NONE; if (*(args[1]) == 0) goto err_arg; for (i = 1; *args[i]; i++) { if (strcmp("bundle", args[i]) == 0) { gf |= SSL_GF_BUNDLE; } else if (strcmp("sctl", args[i]) == 0) { gf |= SSL_GF_SCTL; } else if (strcmp("ocsp", args[i]) == 0){ gf |= SSL_GF_OCSP; } else if (strcmp("issuer", args[i]) == 0){ gf |= SSL_GF_OCSP_ISSUER; } else if (strcmp("key", args[i]) == 0) { gf |= SSL_GF_KEY; } else if (strcmp("none", args[i]) == 0) { if (gf != SSL_GF_NONE) goto err_alone; gf = SSL_GF_NONE; i++; break; } else if (strcmp("all", args[i]) == 0) { if (gf != SSL_GF_NONE) goto err_alone; gf = SSL_GF_ALL; i++; break; } else { goto err_arg; } } /* break from loop but there are still arguments */ if (*args[i]) goto err_alone; global_ssl.extra_files = gf; return 0; err_alone: memprintf(err, "'%s' 'none' and 'all' can be only used alone", args[0]); return -1; err_arg: memprintf(err, "'%s' expects one or multiple arguments (none, all, bundle, sctl, ocsp, issuer).", args[0]); return -1; } /* parse 'ssl-load-extra-del-ext */ static int ssl_parse_global_extra_noext(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { global_ssl.extra_files_noext = 1; return 0; } /***************************** Bind keyword Parsing ********************************************/ /* for ca-file and ca-verify-file */ static int ssl_bind_parse_ca_file_common(char **args, int cur_arg, char **ca_file_p, int from_cli, char **err) { if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing CAfile path", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } if ((*args[cur_arg + 1] != '/') && (*args[cur_arg + 1] != '@') && global_ssl.ca_base) memprintf(ca_file_p, "%s/%s", global_ssl.ca_base, args[cur_arg + 1]); else memprintf(ca_file_p, "%s", args[cur_arg + 1]); if (!ssl_store_load_locations_file(*ca_file_p, !from_cli, CAFILE_CERT)) { memprintf(err, "'%s' : unable to load %s", args[cur_arg], *ca_file_p); return ERR_ALERT | ERR_FATAL; } return 0; } /* parse the "ca-file" bind keyword */ static int ssl_bind_parse_ca_file(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { return ssl_bind_parse_ca_file_common(args, cur_arg, &conf->ca_file, from_cli, err); } static int bind_parse_ca_file(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_ca_file(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "ca-verify-file" bind keyword */ static int ssl_bind_parse_ca_verify_file(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { return ssl_bind_parse_ca_file_common(args, cur_arg, &conf->ca_verify_file, from_cli, err); } static int bind_parse_ca_verify_file(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_ca_verify_file(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "ca-sign-file" bind keyword */ static int bind_parse_ca_sign_file(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing CAfile path", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } if ((*args[cur_arg + 1] != '/') && (*args[cur_arg + 1] != '@') && global_ssl.ca_base) memprintf(&conf->ca_sign_file, "%s/%s", global_ssl.ca_base, args[cur_arg + 1]); else memprintf(&conf->ca_sign_file, "%s", args[cur_arg + 1]); return 0; } /* parse the "ca-sign-pass" bind keyword */ static int bind_parse_ca_sign_pass(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing CAkey password", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } memprintf(&conf->ca_sign_pass, "%s", args[cur_arg + 1]); return 0; } /* parse the "ciphers" bind keyword */ static int ssl_bind_parse_ciphers(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing cipher suite", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } free(conf->ciphers); conf->ciphers = strdup(args[cur_arg + 1]); return 0; } static int bind_parse_ciphers(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_ciphers(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "ciphersuites" bind keyword */ static int ssl_bind_parse_ciphersuites(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { #ifdef HAVE_SSL_CTX_SET_CIPHERSUITES if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing cipher suite", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } free(conf->ciphersuites); conf->ciphersuites = strdup(args[cur_arg + 1]); return 0; #else memprintf(err, "'%s' keyword not supported for this SSL library version (%s).", args[cur_arg], OPENSSL_VERSION_TEXT); return ERR_ALERT | ERR_FATAL; #endif } static int bind_parse_ciphersuites(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_ciphersuites(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "crt" bind keyword. Returns a set of ERR_* flags possibly with an error in . */ static int bind_parse_crt(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { char path[MAXPATHLEN]; if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing certificate location", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } if ((*args[cur_arg + 1] != '/' ) && global_ssl.crt_base) { if ((strlen(global_ssl.crt_base) + 1 + strlen(args[cur_arg + 1]) + 1) > sizeof(path) || snprintf(path, sizeof(path), "%s/%s", global_ssl.crt_base, args[cur_arg + 1]) > sizeof(path)) { memprintf(err, "'%s' : path too long", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } return ssl_sock_load_cert(path, conf, err); } return ssl_sock_load_cert(args[cur_arg + 1], conf, err); } /* parse the "crt-list" bind keyword. Returns a set of ERR_* flags possibly with an error in . */ static int bind_parse_crt_list(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { int err_code; if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing certificate location", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } err_code = ssl_sock_load_cert_list_file(args[cur_arg + 1], 0, conf, px, err); if (err_code) memprintf(err, "'%s' : %s", args[cur_arg], *err); return err_code; } /* parse the "crl-file" bind keyword */ static int ssl_bind_parse_crl_file(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { #ifndef X509_V_FLAG_CRL_CHECK memprintf(err, "'%s' : library does not support CRL verify", args[cur_arg]); return ERR_ALERT | ERR_FATAL; #else if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing CRLfile path", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } if ((*args[cur_arg + 1] != '/') && (*args[cur_arg + 1] != '@') && global_ssl.ca_base) memprintf(&conf->crl_file, "%s/%s", global_ssl.ca_base, args[cur_arg + 1]); else memprintf(&conf->crl_file, "%s", args[cur_arg + 1]); if (!ssl_store_load_locations_file(conf->crl_file, !from_cli, CAFILE_CRL)) { memprintf(err, "'%s' : unable to load %s", args[cur_arg], conf->crl_file); return ERR_ALERT | ERR_FATAL; } return 0; #endif } static int bind_parse_crl_file(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_crl_file(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "curves" bind keyword keyword */ static int ssl_bind_parse_curves(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { #if defined(SSL_CTX_set1_curves_list) if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing curve suite", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } conf->curves = strdup(args[cur_arg + 1]); return 0; #else memprintf(err, "'%s' : library does not support curve suite", args[cur_arg]); return ERR_ALERT | ERR_FATAL; #endif } static int bind_parse_curves(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_curves(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "sigalgs" bind keyword */ static int ssl_bind_parse_sigalgs(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { #if defined(SSL_CTX_set1_sigalgs_list) if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing signature algorithm list", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } conf->sigalgs = strdup(args[cur_arg + 1]); return 0; #else memprintf(err, "'%s' : library does not support setting signature algorithms", args[cur_arg]); return ERR_ALERT | ERR_FATAL; #endif } static int bind_parse_sigalgs(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_sigalgs(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "client-sigalgs" bind keyword */ static int ssl_bind_parse_client_sigalgs(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { #if defined(SSL_CTX_set1_client_sigalgs_list) if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing signature algorithm list", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } conf->client_sigalgs = strdup(args[cur_arg + 1]); return 0; #else memprintf(err, "'%s' : library does not support setting signature algorithms", args[cur_arg]); return ERR_ALERT | ERR_FATAL; #endif } static int bind_parse_client_sigalgs(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_client_sigalgs(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "ecdhe" bind keyword keyword */ static int ssl_bind_parse_ecdhe(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { #if !defined(SSL_CTX_set_tmp_ecdh) memprintf(err, "'%s' : library does not support elliptic curve Diffie-Hellman (too old)", args[cur_arg]); return ERR_ALERT | ERR_FATAL; #elif defined(OPENSSL_NO_ECDH) memprintf(err, "'%s' : library does not support elliptic curve Diffie-Hellman (disabled via OPENSSL_NO_ECDH)", args[cur_arg]); return ERR_ALERT | ERR_FATAL; #else if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing named curve", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } conf->ecdhe = strdup(args[cur_arg + 1]); return 0; #endif } static int bind_parse_ecdhe(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_ecdhe(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "crt-ignore-err" and "ca-ignore-err" bind keywords */ static int bind_parse_ignore_err(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { int code; char *s1 = NULL, *s2 = NULL; char *token = NULL; char *p = args[cur_arg + 1]; char *str; unsigned long long *ignerr = conf->crt_ignerr_bitfield; if (!*p) { memprintf(err, "'%s' : missing error IDs list", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } if (strcmp(args[cur_arg], "ca-ignore-err") == 0) ignerr = conf->ca_ignerr_bitfield; if (strcmp(p, "all") == 0) { cert_ignerr_bitfield_set_all(ignerr); return 0; } /* copy the string to be able to dump the complete one in case of * error, because strtok_r is writing \0 inside. */ str = strdup(p); if (!str) { memprintf(err, "'%s' : Could not allocate memory", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } s1 = str; while ((token = strtok_r(s1, ",", &s2))) { s1 = NULL; if (isdigit((int)*token)) { code = atoi(token); if ((code <= 0) || (code > SSL_MAX_VFY_ERROR_CODE)) { memprintf(err, "'%s' : ID '%d' out of range (1..%d) in error IDs list '%s'", args[cur_arg], code, SSL_MAX_VFY_ERROR_CODE, args[cur_arg + 1]); free(str); return ERR_ALERT | ERR_FATAL; } } else { code = x509_v_err_str_to_int(token); if (code < 0) { memprintf(err, "'%s' : error constant '%s' unknown in error IDs list '%s'", args[cur_arg], token, args[cur_arg + 1]); free(str); return ERR_ALERT | ERR_FATAL; } } cert_ignerr_bitfield_set(ignerr, code); } free(str); return 0; } /* parse tls_method_options "no-xxx" and "force-xxx" */ static int parse_tls_method_options(char *arg, struct tls_version_filter *methods, char **err) { uint16_t v; char *p; p = strchr(arg, '-'); if (!p) goto fail; p++; if (strcmp(p, "sslv3") == 0) v = CONF_SSLV3; else if (strcmp(p, "tlsv10") == 0) v = CONF_TLSV10; else if (strcmp(p, "tlsv11") == 0) v = CONF_TLSV11; else if (strcmp(p, "tlsv12") == 0) v = CONF_TLSV12; else if (strcmp(p, "tlsv13") == 0) v = CONF_TLSV13; else goto fail; if (!strncmp(arg, "no-", 3)) methods->flags |= methodVersions[v].flag; else if (!strncmp(arg, "force-", 6)) methods->min = methods->max = v; else goto fail; return 0; fail: memprintf(err, "'%s' : option not implemented", arg); return ERR_ALERT | ERR_FATAL; } static int bind_parse_tls_method_options(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return parse_tls_method_options(args[cur_arg], &conf->ssl_conf.ssl_methods, err); } static int srv_parse_tls_method_options(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { return parse_tls_method_options(args[*cur_arg], &newsrv->ssl_ctx.methods, err); } /* parse tls_method min/max: "ssl-min-ver" and "ssl-max-ver" */ static int parse_tls_method_minmax(char **args, int cur_arg, struct tls_version_filter *methods, char **err) { uint16_t i, v = 0; char *argv = args[cur_arg + 1]; if (!*argv) { memprintf(err, "'%s' : missing the ssl/tls version", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } for (i = CONF_TLSV_MIN; i <= CONF_TLSV_MAX; i++) if (strcmp(argv, methodVersions[i].name) == 0) v = i; if (!v) { memprintf(err, "'%s' : unknown ssl/tls version", args[cur_arg + 1]); return ERR_ALERT | ERR_FATAL; } if (strcmp("ssl-min-ver", args[cur_arg]) == 0) methods->min = v; else if (strcmp("ssl-max-ver", args[cur_arg]) == 0) methods->max = v; else { memprintf(err, "'%s' : option not implemented", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } return 0; } static int ssl_bind_parse_tls_method_minmax(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { int ret; #if (HA_OPENSSL_VERSION_NUMBER < 0x10101000L) && !defined(OPENSSL_IS_BORINGSSL) ha_warning("crt-list: ssl-min-ver and ssl-max-ver are not supported with this Openssl version (skipped).\n"); #endif ret = parse_tls_method_minmax(args, cur_arg, &conf->ssl_methods_cfg, err); if (ret != ERR_NONE) return ret; conf->ssl_methods.min = conf->ssl_methods_cfg.min; conf->ssl_methods.max = conf->ssl_methods_cfg.max; return ret; } static int bind_parse_tls_method_minmax(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return parse_tls_method_minmax(args, cur_arg, &conf->ssl_conf.ssl_methods, err); } static int srv_parse_tls_method_minmax(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { return parse_tls_method_minmax(args, *cur_arg, &newsrv->ssl_ctx.methods, err); } /* parse the "no-tls-tickets" bind keyword */ static int bind_parse_no_tls_tickets(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { conf->ssl_options |= BC_SSL_O_NO_TLS_TICKETS; return 0; } /* parse the "allow-0rtt" bind keyword */ static int ssl_bind_parse_allow_0rtt(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { conf->early_data = 1; return 0; } static int bind_parse_allow_0rtt(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { conf->ssl_conf.early_data = 1; return 0; } /* parse the "npn" bind keyword */ static int ssl_bind_parse_npn(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { #if defined(OPENSSL_NPN_NEGOTIATED) && !defined(OPENSSL_NO_NEXTPROTONEG) char *p1, *p2; if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing the comma-delimited NPN protocol suite", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } free(conf->npn_str); /* the NPN string is built as a suite of ( )*, * so we reuse each comma to store the next and need * one more for the end of the string. */ conf->npn_len = strlen(args[cur_arg + 1]) + 1; conf->npn_str = calloc(1, conf->npn_len + 1); if (!conf->npn_str) { memprintf(err, "out of memory"); return ERR_ALERT | ERR_FATAL; } memcpy(conf->npn_str + 1, args[cur_arg + 1], conf->npn_len); /* replace commas with the name length */ p1 = conf->npn_str; p2 = p1 + 1; while (1) { p2 = memchr(p1 + 1, ',', conf->npn_str + conf->npn_len - (p1 + 1)); if (!p2) p2 = p1 + 1 + strlen(p1 + 1); if (p2 - (p1 + 1) > 255) { *p2 = '\0'; memprintf(err, "'%s' : NPN protocol name too long : '%s'", args[cur_arg], p1 + 1); return ERR_ALERT | ERR_FATAL; } *p1 = p2 - (p1 + 1); p1 = p2; if (!*p2) break; *(p2++) = '\0'; } return 0; #else memprintf(err, "'%s' : library does not support TLS NPN extension", args[cur_arg]); return ERR_ALERT | ERR_FATAL; #endif } static int bind_parse_npn(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_npn(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* Parses a alpn string and converts it to the right format for the SSL api */ int ssl_sock_parse_alpn(char *arg, char **alpn_str, int *alpn_len, char **err) { char *p1, *p2, *alpn = NULL; int len, ret = 0; *alpn_str = NULL; *alpn_len = 0; if (!*arg) { memprintf(err, "missing the comma-delimited ALPN protocol suite"); goto error; } /* the ALPN string is built as a suite of ( )*, * so we reuse each comma to store the next and need * one more for the end of the string. */ len = strlen(arg) + 1; alpn = calloc(1, len+1); if (!alpn) { memprintf(err, "'%s' : out of memory", arg); goto error; } memcpy(alpn+1, arg, len); /* replace commas with the name length */ p1 = alpn; p2 = p1 + 1; while (1) { p2 = memchr(p1 + 1, ',', alpn + len - (p1 + 1)); if (!p2) p2 = p1 + 1 + strlen(p1 + 1); if (p2 - (p1 + 1) > 255) { *p2 = '\0'; memprintf(err, "ALPN protocol name too long : '%s'", p1 + 1); goto error; } *p1 = p2 - (p1 + 1); p1 = p2; if (!*p2) break; *(p2++) = '\0'; } *alpn_str = alpn; *alpn_len = len; out: return ret; error: free(alpn); ret = ERR_ALERT | ERR_FATAL; goto out; } /* parse the "alpn" bind keyword */ static int ssl_bind_parse_alpn(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation int ret; free(conf->alpn_str); ret = ssl_sock_parse_alpn(args[cur_arg + 1], &conf->alpn_str, &conf->alpn_len, err); if (ret) memprintf(err, "'%s' : %s", args[cur_arg], *err); return ret; #else memprintf(err, "'%s' : library does not support TLS ALPN extension", args[cur_arg]); return ERR_ALERT | ERR_FATAL; #endif } static int bind_parse_alpn(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_alpn(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "ssl" bind keyword */ static int bind_parse_ssl(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { conf->options |= BC_O_USE_SSL; if (global_ssl.listen_default_ciphers && !conf->ssl_conf.ciphers) conf->ssl_conf.ciphers = strdup(global_ssl.listen_default_ciphers); #if defined(SSL_CTX_set1_curves_list) if (global_ssl.listen_default_curves && !conf->ssl_conf.curves) conf->ssl_conf.curves = strdup(global_ssl.listen_default_curves); #endif #if defined(SSL_CTX_set1_sigalgs_list) if (global_ssl.listen_default_sigalgs && !conf->ssl_conf.sigalgs) conf->ssl_conf.sigalgs = strdup(global_ssl.listen_default_sigalgs); #endif #ifdef HAVE_SSL_CTX_SET_CIPHERSUITES if (global_ssl.listen_default_ciphersuites && !conf->ssl_conf.ciphersuites) conf->ssl_conf.ciphersuites = strdup(global_ssl.listen_default_ciphersuites); #endif conf->ssl_options |= global_ssl.listen_default_ssloptions; conf->ssl_conf.ssl_methods.flags |= global_ssl.listen_default_sslmethods.flags; if (!conf->ssl_conf.ssl_methods.min) conf->ssl_conf.ssl_methods.min = global_ssl.listen_default_sslmethods.min; if (!conf->ssl_conf.ssl_methods.max) conf->ssl_conf.ssl_methods.max = global_ssl.listen_default_sslmethods.max; return 0; } /* parse the "prefer-client-ciphers" bind keyword */ static int bind_parse_pcc(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { conf->ssl_options |= BC_SSL_O_PREF_CLIE_CIPH; return 0; } /* parse the "generate-certificates" bind keyword */ static int bind_parse_generate_certs(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { #if (defined SSL_CTRL_SET_TLSEXT_HOSTNAME && !defined SSL_NO_GENERATE_CERTIFICATES) conf->options |= BC_O_GENERATE_CERTS; #else memprintf(err, "%sthis version of openssl cannot generate SSL certificates.\n", err && *err ? *err : ""); #endif return 0; } /* parse the "strict-sni" bind keyword */ static int bind_parse_strict_sni(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { conf->strict_sni = 1; return 0; } /* parse the "tls-ticket-keys" bind keyword */ static int bind_parse_tls_ticket_keys(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { #if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0) FILE *f = NULL; int i = 0; char thisline[LINESIZE]; struct tls_keys_ref *keys_ref = NULL; if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing TLS ticket keys file path", args[cur_arg]); goto fail; } keys_ref = tlskeys_ref_lookup(args[cur_arg + 1]); if (keys_ref) { keys_ref->refcount++; conf->keys_ref = keys_ref; return 0; } keys_ref = calloc(1, sizeof(*keys_ref)); if (!keys_ref) { memprintf(err, "'%s' : allocation error", args[cur_arg+1]); goto fail; } keys_ref->tlskeys = malloc(TLS_TICKETS_NO * sizeof(union tls_sess_key)); if (!keys_ref->tlskeys) { memprintf(err, "'%s' : allocation error", args[cur_arg+1]); goto fail; } if ((f = fopen(args[cur_arg + 1], "r")) == NULL) { memprintf(err, "'%s' : unable to load ssl tickets keys file", args[cur_arg+1]); goto fail; } keys_ref->filename = strdup(args[cur_arg + 1]); if (!keys_ref->filename) { memprintf(err, "'%s' : allocation error", args[cur_arg+1]); goto fail; } keys_ref->key_size_bits = 0; while (fgets(thisline, sizeof(thisline), f) != NULL) { int len = strlen(thisline); int dec_size; /* Strip newline characters from the end */ if(thisline[len - 1] == '\n') thisline[--len] = 0; if(thisline[len - 1] == '\r') thisline[--len] = 0; dec_size = base64dec(thisline, len, (char *) (keys_ref->tlskeys + i % TLS_TICKETS_NO), sizeof(union tls_sess_key)); if (dec_size < 0) { memprintf(err, "'%s' : unable to decode base64 key on line %d", args[cur_arg+1], i + 1); goto fail; } else if (!keys_ref->key_size_bits && (dec_size == sizeof(struct tls_sess_key_128))) { keys_ref->key_size_bits = 128; } else if (!keys_ref->key_size_bits && (dec_size == sizeof(struct tls_sess_key_256))) { keys_ref->key_size_bits = 256; } else if (((dec_size != sizeof(struct tls_sess_key_128)) && (dec_size != sizeof(struct tls_sess_key_256))) || ((dec_size == sizeof(struct tls_sess_key_128) && (keys_ref->key_size_bits != 128))) || ((dec_size == sizeof(struct tls_sess_key_256) && (keys_ref->key_size_bits != 256)))) { memprintf(err, "'%s' : wrong sized key on line %d", args[cur_arg+1], i + 1); goto fail; } i++; } if (i < TLS_TICKETS_NO) { memprintf(err, "'%s' : please supply at least %d keys in the tls-tickets-file", args[cur_arg+1], TLS_TICKETS_NO); goto fail; } fclose(f); /* Use penultimate key for encryption, handle when TLS_TICKETS_NO = 1 */ i -= 2; keys_ref->tls_ticket_enc_index = i < 0 ? 0 : i % TLS_TICKETS_NO; keys_ref->unique_id = -1; keys_ref->refcount = 1; HA_RWLOCK_INIT(&keys_ref->lock); conf->keys_ref = keys_ref; LIST_INSERT(&tlskeys_reference, &keys_ref->list); return 0; fail: if (f) fclose(f); if (keys_ref) { free(keys_ref->filename); free(keys_ref->tlskeys); free(keys_ref); } return ERR_ALERT | ERR_FATAL; #else memprintf(err, "'%s' : TLS ticket callback extension not supported", args[cur_arg]); return ERR_ALERT | ERR_FATAL; #endif /* SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB */ } /* parse the "verify" bind keyword */ static int ssl_bind_parse_verify(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : missing verify method", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } if (strcmp(args[cur_arg + 1], "none") == 0) conf->verify = SSL_SOCK_VERIFY_NONE; else if (strcmp(args[cur_arg + 1], "optional") == 0) conf->verify = SSL_SOCK_VERIFY_OPTIONAL; else if (strcmp(args[cur_arg + 1], "required") == 0) conf->verify = SSL_SOCK_VERIFY_REQUIRED; else { memprintf(err, "'%s' : unknown verify method '%s', only 'none', 'optional', and 'required' are supported\n", args[cur_arg], args[cur_arg + 1]); return ERR_ALERT | ERR_FATAL; } return 0; } static int bind_parse_verify(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_verify(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "no-alpn" ssl-bind keyword, storing an empty ALPN string */ static int ssl_bind_parse_no_alpn(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { free(conf->alpn_str); conf->alpn_len = 0; conf->alpn_str = strdup(""); if (!conf->alpn_str) { memprintf(err, "'%s' : out of memory", *args); return ERR_ALERT | ERR_FATAL; } return 0; } /* parse the "no-alpn" bind keyword, storing an empty ALPN string */ static int bind_parse_no_alpn(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_no_alpn(args, cur_arg, px, &conf->ssl_conf, 0, err); } /* parse the "no-ca-names" bind keyword */ static int ssl_bind_parse_no_ca_names(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *conf, int from_cli, char **err) { conf->no_ca_names = 1; return 0; } static int bind_parse_no_ca_names(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) { return ssl_bind_parse_no_ca_names(args, cur_arg, px, &conf->ssl_conf, 0, err); } static int ssl_bind_parse_ocsp_update(char **args, int cur_arg, struct proxy *px, struct ssl_bind_conf *ssl_conf, int from_cli, char **err) { if (!*args[cur_arg + 1]) { memprintf(err, "'%s' : expecting ", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } if (strcmp(args[cur_arg + 1], "on") == 0) ssl_conf->ocsp_update = SSL_SOCK_OCSP_UPDATE_ON; else if (strcmp(args[cur_arg + 1], "off") == 0) ssl_conf->ocsp_update = SSL_SOCK_OCSP_UPDATE_OFF; else { memprintf(err, "'%s' : expecting ", args[cur_arg]); return ERR_ALERT | ERR_FATAL; } if (ssl_conf->ocsp_update == SSL_SOCK_OCSP_UPDATE_ON) { /* We might need to create the main ocsp update task */ int ret = ssl_create_ocsp_update_task(err); if (ret) return ret; } return 0; } /***************************** "server" keywords Parsing ********************************************/ /* parse the "npn" bind keyword */ static int srv_parse_npn(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { #if defined(OPENSSL_NPN_NEGOTIATED) && !defined(OPENSSL_NO_NEXTPROTONEG) char *p1, *p2; if (!*args[*cur_arg + 1]) { memprintf(err, "'%s' : missing the comma-delimited NPN protocol suite", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } free(newsrv->ssl_ctx.npn_str); /* the NPN string is built as a suite of ( )*, * so we reuse each comma to store the next and need * one more for the end of the string. */ newsrv->ssl_ctx.npn_len = strlen(args[*cur_arg + 1]) + 1; newsrv->ssl_ctx.npn_str = calloc(1, newsrv->ssl_ctx.npn_len + 1); if (!newsrv->ssl_ctx.npn_str) { memprintf(err, "out of memory"); return ERR_ALERT | ERR_FATAL; } memcpy(newsrv->ssl_ctx.npn_str + 1, args[*cur_arg + 1], newsrv->ssl_ctx.npn_len); /* replace commas with the name length */ p1 = newsrv->ssl_ctx.npn_str; p2 = p1 + 1; while (1) { p2 = memchr(p1 + 1, ',', newsrv->ssl_ctx.npn_str + newsrv->ssl_ctx.npn_len - (p1 + 1)); if (!p2) p2 = p1 + 1 + strlen(p1 + 1); if (p2 - (p1 + 1) > 255) { *p2 = '\0'; memprintf(err, "'%s' : NPN protocol name too long : '%s'", args[*cur_arg], p1 + 1); return ERR_ALERT | ERR_FATAL; } *p1 = p2 - (p1 + 1); p1 = p2; if (!*p2) break; *(p2++) = '\0'; } return 0; #else memprintf(err, "'%s' : library does not support TLS NPN extension", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; #endif } #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation static int parse_alpn(char *alpn, char **out_alpn_str, int *out_alpn_len, char **err) { free(*out_alpn_str); return ssl_sock_parse_alpn(alpn, out_alpn_str, out_alpn_len, err); } #endif /* parse the "alpn" server keyword */ static int srv_parse_alpn(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation int ret = parse_alpn(args[*cur_arg + 1], &newsrv->ssl_ctx.alpn_str, &newsrv->ssl_ctx.alpn_len, err); if (ret) memprintf(err, "'%s' : %s", args[*cur_arg], *err); return ret; #else memprintf(err, "'%s' : library does not support TLS ALPN extension", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; #endif } /* parse the "check-alpn" server keyword */ static int srv_parse_check_alpn(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation int ret = parse_alpn(args[*cur_arg + 1], &newsrv->check.alpn_str, &newsrv->check.alpn_len, err); if (ret) memprintf(err, "'%s' : %s", args[*cur_arg], *err); return ret; #else memprintf(err, "'%s' : library does not support TLS ALPN extension", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; #endif } /* parse the "ca-file" server keyword */ static int srv_parse_ca_file(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { const int create_if_none = newsrv->flags & SRV_F_DYNAMIC ? 0 : 1; if (!*args[*cur_arg + 1]) { memprintf(err, "'%s' : missing CAfile path", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } if ((*args[*cur_arg + 1] != '/') && (*args[*cur_arg + 1] != '@') && global_ssl.ca_base) memprintf(&newsrv->ssl_ctx.ca_file, "%s/%s", global_ssl.ca_base, args[*cur_arg + 1]); else memprintf(&newsrv->ssl_ctx.ca_file, "%s", args[*cur_arg + 1]); if (!ssl_store_load_locations_file(newsrv->ssl_ctx.ca_file, create_if_none, CAFILE_CERT)) { memprintf(err, "'%s' : unable to load %s", args[*cur_arg], newsrv->ssl_ctx.ca_file); return ERR_ALERT | ERR_FATAL; } return 0; } /* parse the "check-sni" server keyword */ static int srv_parse_check_sni(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { if (!*args[*cur_arg + 1]) { memprintf(err, "'%s' : missing SNI", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } newsrv->check.sni = strdup(args[*cur_arg + 1]); if (!newsrv->check.sni) { memprintf(err, "'%s' : failed to allocate memory", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } return 0; } /* common function to init ssl_ctx */ static int ssl_sock_init_srv(struct server *s) { if (global_ssl.connect_default_ciphers && !s->ssl_ctx.ciphers) s->ssl_ctx.ciphers = strdup(global_ssl.connect_default_ciphers); #ifdef HAVE_SSL_CTX_SET_CIPHERSUITES if (global_ssl.connect_default_ciphersuites && !s->ssl_ctx.ciphersuites) { s->ssl_ctx.ciphersuites = strdup(global_ssl.connect_default_ciphersuites); if (!s->ssl_ctx.ciphersuites) return 1; } #endif s->ssl_ctx.options |= global_ssl.connect_default_ssloptions; s->ssl_ctx.methods.flags |= global_ssl.connect_default_sslmethods.flags; if (!s->ssl_ctx.methods.min) s->ssl_ctx.methods.min = global_ssl.connect_default_sslmethods.min; if (!s->ssl_ctx.methods.max) s->ssl_ctx.methods.max = global_ssl.connect_default_sslmethods.max; #if defined(SSL_CTX_set1_sigalgs_list) if (global_ssl.connect_default_sigalgs && !s->ssl_ctx.sigalgs) { s->ssl_ctx.sigalgs = strdup(global_ssl.connect_default_sigalgs); if (!s->ssl_ctx.sigalgs) return 1; } #endif #if defined(SSL_CTX_set1_client_sigalgs_list) if (global_ssl.connect_default_client_sigalgs && !s->ssl_ctx.client_sigalgs) { s->ssl_ctx.client_sigalgs = strdup(global_ssl.connect_default_client_sigalgs); if (!s->ssl_ctx.client_sigalgs) return 1; } #endif #if defined(SSL_CTX_set1_curves_list) if (global_ssl.connect_default_curves && !s->ssl_ctx.curves) { s->ssl_ctx.curves = strdup(global_ssl.connect_default_curves); if (!s->ssl_ctx.curves) return 1; } #endif return 0; } /* parse the "check-ssl" server keyword */ static int srv_parse_check_ssl(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->check.use_ssl = 1; if (ssl_sock_init_srv(newsrv)) { memprintf(err, "'%s' : not enough memory", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } return 0; } /* parse the "ciphers" server keyword */ static int srv_parse_ciphers(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { if (!*args[*cur_arg + 1]) { memprintf(err, "'%s' : missing cipher suite", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } free(newsrv->ssl_ctx.ciphers); newsrv->ssl_ctx.ciphers = strdup(args[*cur_arg + 1]); if (!newsrv->ssl_ctx.ciphers) { memprintf(err, "'%s' : not enough memory", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } return 0; } /* parse the "ciphersuites" server keyword */ static int srv_parse_ciphersuites(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { #ifdef HAVE_SSL_CTX_SET_CIPHERSUITES if (!*args[*cur_arg + 1]) { memprintf(err, "'%s' : missing cipher suite", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } free(newsrv->ssl_ctx.ciphersuites); newsrv->ssl_ctx.ciphersuites = strdup(args[*cur_arg + 1]); if (!newsrv->ssl_ctx.ciphersuites) { memprintf(err, "'%s' : not enough memory", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } return 0; #else /* ! HAVE_SSL_CTX_SET_CIPHERSUITES */ memprintf(err, "'%s' not supported for your SSL library (%s).", args[*cur_arg], OPENSSL_VERSION_TEXT); return ERR_ALERT | ERR_FATAL; #endif } /* parse the "client-sigalgs" server keyword */ static int srv_parse_client_sigalgs(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { #ifndef SSL_CTX_set1_client_sigalgs_list memprintf(err, "'%s' : library does not support setting signature algorithms", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; #else char *arg; arg = args[*cur_arg + 1]; if (!*arg) { memprintf(err, "'%s' : missing signature algorithm list", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } newsrv->ssl_ctx.client_sigalgs = strdup(arg); if (!newsrv->ssl_ctx.client_sigalgs) { memprintf(err, "out of memory"); return ERR_ALERT | ERR_FATAL; } return 0; #endif } /* parse the "crl-file" server keyword */ static int srv_parse_crl_file(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { #ifndef X509_V_FLAG_CRL_CHECK memprintf(err, "'%s' : library does not support CRL verify", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; #else const int create_if_none = newsrv->flags & SRV_F_DYNAMIC ? 0 : 1; if (!*args[*cur_arg + 1]) { memprintf(err, "'%s' : missing CRLfile path", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } if ((*args[*cur_arg + 1] != '/') && (*args[*cur_arg + 1] != '@') && global_ssl.ca_base) memprintf(&newsrv->ssl_ctx.crl_file, "%s/%s", global_ssl.ca_base, args[*cur_arg + 1]); else memprintf(&newsrv->ssl_ctx.crl_file, "%s", args[*cur_arg + 1]); if (!ssl_store_load_locations_file(newsrv->ssl_ctx.crl_file, create_if_none, CAFILE_CRL)) { memprintf(err, "'%s' : unable to load %s", args[*cur_arg], newsrv->ssl_ctx.crl_file); return ERR_ALERT | ERR_FATAL; } return 0; #endif } /* parse the "curves" server keyword */ static int srv_parse_curves(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { #ifndef SSL_CTX_set1_curves_list memprintf(err, "'%s' : library does not support setting curves list", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; #else char *arg; arg = args[*cur_arg + 1]; if (!*arg) { memprintf(err, "'%s' : missing curves list", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } newsrv->ssl_ctx.curves = strdup(arg); if (!newsrv->ssl_ctx.curves) { memprintf(err, "out of memory"); return ERR_ALERT | ERR_FATAL; } return 0; #endif } /* parse the "crt" server keyword */ static int srv_parse_crt(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { if (!*args[*cur_arg + 1]) { memprintf(err, "'%s' : missing certificate file path", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } if ((*args[*cur_arg + 1] != '/') && global_ssl.crt_base) memprintf(&newsrv->ssl_ctx.client_crt, "%s/%s", global_ssl.crt_base, args[*cur_arg + 1]); else memprintf(&newsrv->ssl_ctx.client_crt, "%s", args[*cur_arg + 1]); return 0; } /* parse the "no-check-ssl" server keyword */ static int srv_parse_no_check_ssl(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->check.use_ssl = -1; ha_free(&newsrv->ssl_ctx.ciphers); newsrv->ssl_ctx.options &= ~global_ssl.connect_default_ssloptions; return 0; } /* parse the "no-send-proxy-v2-ssl" server keyword */ static int srv_parse_no_send_proxy_ssl(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->pp_opts &= ~SRV_PP_V2; newsrv->pp_opts &= ~SRV_PP_V2_SSL; return 0; } /* parse the "no-send-proxy-v2-ssl-cn" server keyword */ static int srv_parse_no_send_proxy_cn(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->pp_opts &= ~SRV_PP_V2; newsrv->pp_opts &= ~SRV_PP_V2_SSL; newsrv->pp_opts &= ~SRV_PP_V2_SSL_CN; return 0; } /* parse the "no-ssl" server keyword */ static int srv_parse_no_ssl(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { /* if default-server have use_ssl, prepare ssl settings */ if (newsrv->use_ssl == 1) { if (ssl_sock_init_srv(newsrv)) { memprintf(err, "'%s' : not enough memory", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } } else { ha_free(&newsrv->ssl_ctx.ciphers); } newsrv->use_ssl = -1; return 0; } /* parse the "allow-0rtt" server keyword */ static int srv_parse_allow_0rtt(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->ssl_ctx.options |= SRV_SSL_O_EARLY_DATA; return 0; } /* parse the "no-ssl-reuse" server keyword */ static int srv_parse_no_ssl_reuse(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->ssl_ctx.options |= SRV_SSL_O_NO_REUSE; return 0; } /* parse the "no-tls-tickets" server keyword */ static int srv_parse_no_tls_tickets(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->ssl_ctx.options |= SRV_SSL_O_NO_TLS_TICKETS; return 0; } /* parse the "send-proxy-v2-ssl" server keyword */ static int srv_parse_send_proxy_ssl(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->pp_opts |= SRV_PP_V2; newsrv->pp_opts |= SRV_PP_V2_SSL; return 0; } /* parse the "send-proxy-v2-ssl-cn" server keyword */ static int srv_parse_send_proxy_cn(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->pp_opts |= SRV_PP_V2; newsrv->pp_opts |= SRV_PP_V2_SSL; newsrv->pp_opts |= SRV_PP_V2_SSL_CN; return 0; } /* parse the "sigalgs" server keyword */ static int srv_parse_sigalgs(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { #ifndef SSL_CTX_set1_sigalgs_list memprintf(err, "'%s' : library does not support setting signature algorithms", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; #else char *arg; arg = args[*cur_arg + 1]; if (!*arg) { memprintf(err, "'%s' : missing signature algorithm list", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } newsrv->ssl_ctx.sigalgs = strdup(arg); if (!newsrv->ssl_ctx.sigalgs) { memprintf(err, "out of memory"); return ERR_ALERT | ERR_FATAL; } return 0; #endif } /* parse the "sni" server keyword */ static int srv_parse_sni(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { #ifndef SSL_CTRL_SET_TLSEXT_HOSTNAME memprintf(err, "'%s' : the current SSL library doesn't support the SNI TLS extension", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; #else char *arg; arg = args[*cur_arg + 1]; if (!*arg) { memprintf(err, "'%s' : missing sni expression", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } free(newsrv->sni_expr); newsrv->sni_expr = strdup(arg); if (!newsrv->sni_expr) { memprintf(err, "out of memory"); return ERR_ALERT | ERR_FATAL; } return 0; #endif } /* parse the "ssl" server keyword */ static int srv_parse_ssl(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->use_ssl = 1; if (ssl_sock_init_srv(newsrv)) { memprintf(err, "'%s' : not enough memory", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } return 0; } /* parse the "ssl-reuse" server keyword */ static int srv_parse_ssl_reuse(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->ssl_ctx.options &= ~SRV_SSL_O_NO_REUSE; return 0; } /* parse the "tls-tickets" server keyword */ static int srv_parse_tls_tickets(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { newsrv->ssl_ctx.options &= ~SRV_SSL_O_NO_TLS_TICKETS; return 0; } /* parse the "verify" server keyword */ static int srv_parse_verify(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { if (!*args[*cur_arg + 1]) { memprintf(err, "'%s' : missing verify method", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } if (strcmp(args[*cur_arg + 1], "none") == 0) newsrv->ssl_ctx.verify = SSL_SOCK_VERIFY_NONE; else if (strcmp(args[*cur_arg + 1], "required") == 0) newsrv->ssl_ctx.verify = SSL_SOCK_VERIFY_REQUIRED; else { memprintf(err, "'%s' : unknown verify method '%s', only 'none' and 'required' are supported\n", args[*cur_arg], args[*cur_arg + 1]); return ERR_ALERT | ERR_FATAL; } return 0; } /* parse the "verifyhost" server keyword */ static int srv_parse_verifyhost(char **args, int *cur_arg, struct proxy *px, struct server *newsrv, char **err) { if (!*args[*cur_arg + 1]) { memprintf(err, "'%s' : missing hostname to verify against", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } free(newsrv->ssl_ctx.verify_host); newsrv->ssl_ctx.verify_host = strdup(args[*cur_arg + 1]); if (!newsrv->ssl_ctx.verify_host) { memprintf(err, "'%s' : not enough memory", args[*cur_arg]); return ERR_ALERT | ERR_FATAL; } return 0; } /* parse the "ssl-default-bind-options" keyword in global section */ static int ssl_parse_default_bind_options(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { int i = 1; if (*(args[i]) == 0) { memprintf(err, "global statement '%s' expects an option as an argument.", args[0]); return -1; } while (*(args[i])) { if (strcmp(args[i], "no-tls-tickets") == 0) global_ssl.listen_default_ssloptions |= BC_SSL_O_NO_TLS_TICKETS; else if (strcmp(args[i], "prefer-client-ciphers") == 0) global_ssl.listen_default_ssloptions |= BC_SSL_O_PREF_CLIE_CIPH; else if (strcmp(args[i], "ssl-min-ver") == 0 || strcmp(args[i], "ssl-max-ver") == 0) { if (!parse_tls_method_minmax(args, i, &global_ssl.listen_default_sslmethods, err)) i++; else { memprintf(err, "%s on global statement '%s'.", *err, args[0]); return -1; } } else if (parse_tls_method_options(args[i], &global_ssl.listen_default_sslmethods, err)) { memprintf(err, "unknown option '%s' on global statement '%s'.", args[i], args[0]); return -1; } i++; } return 0; } /* parse the "ssl-default-server-options" keyword in global section */ static int ssl_parse_default_server_options(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { int i = 1; if (*(args[i]) == 0) { memprintf(err, "global statement '%s' expects an option as an argument.", args[0]); return -1; } while (*(args[i])) { if (strcmp(args[i], "no-tls-tickets") == 0) global_ssl.connect_default_ssloptions |= SRV_SSL_O_NO_TLS_TICKETS; else if (strcmp(args[i], "ssl-min-ver") == 0 || strcmp(args[i], "ssl-max-ver") == 0) { if (!parse_tls_method_minmax(args, i, &global_ssl.connect_default_sslmethods, err)) i++; else { memprintf(err, "%s on global statement '%s'.", *err, args[0]); return -1; } } else if (parse_tls_method_options(args[i], &global_ssl.connect_default_sslmethods, err)) { memprintf(err, "unknown option '%s' on global statement '%s'.", args[i], args[0]); return -1; } i++; } return 0; } /* parse the "ca-base" / "crt-base" keywords in global section. * Returns <0 on alert, >0 on warning, 0 on success. */ static int ssl_parse_global_ca_crt_base(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { char **target; target = (args[0][1] == 'a') ? &global_ssl.ca_base : &global_ssl.crt_base; if (too_many_args(1, args, err, NULL)) return -1; if (*target) { memprintf(err, "'%s' already specified.", args[0]); return -1; } if (*(args[1]) == 0) { memprintf(err, "global statement '%s' expects a directory path as an argument.", args[0]); return -1; } *target = strdup(args[1]); return 0; } /* parse the "ssl-skip-self-issued-ca" keyword in global section. */ static int ssl_parse_skip_self_issued_ca(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { #ifdef SSL_CTX_build_cert_chain global_ssl.skip_self_issued_ca = 1; return 0; #else memprintf(err, "global statement '%s' requires at least OpenSSL 1.0.2.", args[0]); return -1; #endif } static int ssl_parse_global_ocsp_maxdelay(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { int value = 0; if (*(args[1]) == 0) { memprintf(err, "'%s' expects an integer argument.", args[0]); return -1; } value = atoi(args[1]); if (value < 0) { memprintf(err, "'%s' expects a positive numeric value.", args[0]); return -1; } if (global_ssl.ocsp_update.delay_min > value) { memprintf(err, "'%s' can not be lower than tune.ssl.ocsp-update.mindelay.", args[0]); return -1; } global_ssl.ocsp_update.delay_max = value; return 0; } static int ssl_parse_global_ocsp_mindelay(char **args, int section_type, struct proxy *curpx, const struct proxy *defpx, const char *file, int line, char **err) { int value = 0; if (*(args[1]) == 0) { memprintf(err, "'%s' expects an integer argument.", args[0]); return -1; } value = atoi(args[1]); if (value < 0) { memprintf(err, "'%s' expects a positive numeric value.", args[0]); return -1; } if (value > global_ssl.ocsp_update.delay_max) { memprintf(err, "'%s' can not be higher than tune.ssl.ocsp-update.maxdelay.", args[0]); return -1; } global_ssl.ocsp_update.delay_min = value; return 0; } /* Note: must not be declared as its list will be overwritten. * Please take care of keeping this list alphabetically sorted, doing so helps * all code contributors. * Optional keywords are also declared with a NULL ->parse() function so that * the config parser can report an appropriate error when a known keyword was * not enabled. */ /* the keywords are used for crt-list parsing, they *MUST* be safe * with their proxy argument NULL and must only fill the ssl_bind_conf */ struct ssl_crtlist_kw ssl_crtlist_kws[] = { { "allow-0rtt", ssl_bind_parse_allow_0rtt, 0 }, /* allow 0-RTT */ { "alpn", ssl_bind_parse_alpn, 1 }, /* set ALPN supported protocols */ { "ca-file", ssl_bind_parse_ca_file, 1 }, /* set CAfile to process ca-names and verify on client cert */ { "ca-verify-file", ssl_bind_parse_ca_verify_file, 1 }, /* set CAverify file to process verify on client cert */ { "ciphers", ssl_bind_parse_ciphers, 1 }, /* set SSL cipher suite */ { "ciphersuites", ssl_bind_parse_ciphersuites, 1 }, /* set TLS 1.3 cipher suite */ { "client-sigalgs", ssl_bind_parse_client_sigalgs, 1 }, /* set SSL client signature algorithms */ { "crl-file", ssl_bind_parse_crl_file, 1 }, /* set certificate revocation list file use on client cert verify */ { "curves", ssl_bind_parse_curves, 1 }, /* set SSL curve suite */ { "ecdhe", ssl_bind_parse_ecdhe, 1 }, /* defines named curve for elliptic curve Diffie-Hellman */ { "no-alpn", ssl_bind_parse_no_alpn, 0 }, /* disable sending ALPN */ { "no-ca-names", ssl_bind_parse_no_ca_names, 0 }, /* do not send ca names to clients (ca_file related) */ { "npn", ssl_bind_parse_npn, 1 }, /* set NPN supported protocols */ { "sigalgs", ssl_bind_parse_sigalgs, 1 }, /* set SSL signature algorithms */ { "ssl-min-ver", ssl_bind_parse_tls_method_minmax,1 }, /* minimum version */ { "ssl-max-ver", ssl_bind_parse_tls_method_minmax,1 }, /* maximum version */ { "verify", ssl_bind_parse_verify, 1 }, /* set SSL verify method */ { "ocsp-update", ssl_bind_parse_ocsp_update, 1 }, /* ocsp update mode (on or off) */ { NULL, NULL, 0 }, }; /* no initcall for ssl_bind_kws, these ones are parsed in the parser loop */ static struct bind_kw_list bind_kws = { "SSL", { }, { { "allow-0rtt", bind_parse_allow_0rtt, 0 }, /* Allow 0RTT */ { "alpn", bind_parse_alpn, 1 }, /* set ALPN supported protocols */ { "ca-file", bind_parse_ca_file, 1 }, /* set CAfile to process ca-names and verify on client cert */ { "ca-verify-file", bind_parse_ca_verify_file, 1 }, /* set CAverify file to process verify on client cert */ { "ca-ignore-err", bind_parse_ignore_err, 1 }, /* set error IDs to ignore on verify depth > 0 */ { "ca-sign-file", bind_parse_ca_sign_file, 1 }, /* set CAFile used to generate and sign server certs */ { "ca-sign-pass", bind_parse_ca_sign_pass, 1 }, /* set CAKey passphrase */ { "ciphers", bind_parse_ciphers, 1 }, /* set SSL cipher suite */ { "ciphersuites", bind_parse_ciphersuites, 1 }, /* set TLS 1.3 cipher suite */ { "client-sigalgs", bind_parse_client_sigalgs, 1 }, /* set SSL client signature algorithms */ { "crl-file", bind_parse_crl_file, 1 }, /* set certificate revocation list file use on client cert verify */ { "crt", bind_parse_crt, 1 }, /* load SSL certificates from this location */ { "crt-ignore-err", bind_parse_ignore_err, 1 }, /* set error IDs to ignore on verify depth == 0 */ { "crt-list", bind_parse_crt_list, 1 }, /* load a list of crt from this location */ { "curves", bind_parse_curves, 1 }, /* set SSL curve suite */ { "ecdhe", bind_parse_ecdhe, 1 }, /* defines named curve for elliptic curve Diffie-Hellman */ { "force-sslv3", bind_parse_tls_method_options, 0 }, /* force SSLv3 */ { "force-tlsv10", bind_parse_tls_method_options, 0 }, /* force TLSv10 */ { "force-tlsv11", bind_parse_tls_method_options, 0 }, /* force TLSv11 */ { "force-tlsv12", bind_parse_tls_method_options, 0 }, /* force TLSv12 */ { "force-tlsv13", bind_parse_tls_method_options, 0 }, /* force TLSv13 */ { "generate-certificates", bind_parse_generate_certs, 0 }, /* enable the server certificates generation */ { "no-alpn", bind_parse_no_alpn, 0 }, /* disable sending ALPN */ { "no-ca-names", bind_parse_no_ca_names, 0 }, /* do not send ca names to clients (ca_file related) */ { "no-sslv3", bind_parse_tls_method_options, 0 }, /* disable SSLv3 */ { "no-tlsv10", bind_parse_tls_method_options, 0 }, /* disable TLSv10 */ { "no-tlsv11", bind_parse_tls_method_options, 0 }, /* disable TLSv11 */ { "no-tlsv12", bind_parse_tls_method_options, 0 }, /* disable TLSv12 */ { "no-tlsv13", bind_parse_tls_method_options, 0 }, /* disable TLSv13 */ { "no-tls-tickets", bind_parse_no_tls_tickets, 0 }, /* disable session resumption tickets */ { "sigalgs", bind_parse_sigalgs, 1 }, /* set SSL signature algorithms */ { "ssl", bind_parse_ssl, 0 }, /* enable SSL processing */ { "ssl-min-ver", bind_parse_tls_method_minmax, 1 }, /* minimum version */ { "ssl-max-ver", bind_parse_tls_method_minmax, 1 }, /* maximum version */ { "strict-sni", bind_parse_strict_sni, 0 }, /* refuse negotiation if sni doesn't match a certificate */ { "tls-ticket-keys", bind_parse_tls_ticket_keys, 1 }, /* set file to load TLS ticket keys from */ { "verify", bind_parse_verify, 1 }, /* set SSL verify method */ { "npn", bind_parse_npn, 1 }, /* set NPN supported protocols */ { "prefer-client-ciphers", bind_parse_pcc, 0 }, /* prefer client ciphers */ { NULL, NULL, 0 }, }}; INITCALL1(STG_REGISTER, bind_register_keywords, &bind_kws); /* Note: must not be declared as its list will be overwritten. * Please take care of keeping this list alphabetically sorted, doing so helps * all code contributors. * Optional keywords are also declared with a NULL ->parse() function so that * the config parser can report an appropriate error when a known keyword was * not enabled. */ static struct srv_kw_list srv_kws = { "SSL", { }, { { "allow-0rtt", srv_parse_allow_0rtt, 0, 1, 1 }, /* Allow using early data on this server */ { "alpn", srv_parse_alpn, 1, 1, 1 }, /* Set ALPN supported protocols */ { "ca-file", srv_parse_ca_file, 1, 1, 1 }, /* set CAfile to process verify server cert */ { "check-alpn", srv_parse_check_alpn, 1, 1, 1 }, /* Set ALPN used for checks */ { "check-sni", srv_parse_check_sni, 1, 1, 1 }, /* set SNI */ { "check-ssl", srv_parse_check_ssl, 0, 1, 1 }, /* enable SSL for health checks */ { "ciphers", srv_parse_ciphers, 1, 1, 1 }, /* select the cipher suite */ { "ciphersuites", srv_parse_ciphersuites, 1, 1, 1 }, /* select the cipher suite */ { "client-sigalgs", srv_parse_client_sigalgs, 1, 1, 1 }, /* signature algorithms */ { "crl-file", srv_parse_crl_file, 1, 1, 1 }, /* set certificate revocation list file use on server cert verify */ { "curves", srv_parse_curves, 1, 1, 1 }, /* set TLS curves list */ { "crt", srv_parse_crt, 1, 1, 1 }, /* set client certificate */ { "force-sslv3", srv_parse_tls_method_options, 0, 1, 1 }, /* force SSLv3 */ { "force-tlsv10", srv_parse_tls_method_options, 0, 1, 1 }, /* force TLSv10 */ { "force-tlsv11", srv_parse_tls_method_options, 0, 1, 1 }, /* force TLSv11 */ { "force-tlsv12", srv_parse_tls_method_options, 0, 1, 1 }, /* force TLSv12 */ { "force-tlsv13", srv_parse_tls_method_options, 0, 1, 1 }, /* force TLSv13 */ { "no-check-ssl", srv_parse_no_check_ssl, 0, 1, 0 }, /* disable SSL for health checks */ { "no-send-proxy-v2-ssl", srv_parse_no_send_proxy_ssl, 0, 1, 0 }, /* do not send PROXY protocol header v2 with SSL info */ { "no-send-proxy-v2-ssl-cn", srv_parse_no_send_proxy_cn, 0, 1, 0 }, /* do not send PROXY protocol header v2 with CN */ { "no-ssl", srv_parse_no_ssl, 0, 1, 0 }, /* disable SSL processing */ { "no-ssl-reuse", srv_parse_no_ssl_reuse, 0, 1, 1 }, /* disable session reuse */ { "no-sslv3", srv_parse_tls_method_options, 0, 0, 1 }, /* disable SSLv3 */ { "no-tlsv10", srv_parse_tls_method_options, 0, 0, 1 }, /* disable TLSv10 */ { "no-tlsv11", srv_parse_tls_method_options, 0, 0, 1 }, /* disable TLSv11 */ { "no-tlsv12", srv_parse_tls_method_options, 0, 0, 1 }, /* disable TLSv12 */ { "no-tlsv13", srv_parse_tls_method_options, 0, 0, 1 }, /* disable TLSv13 */ { "no-tls-tickets", srv_parse_no_tls_tickets, 0, 1, 1 }, /* disable session resumption tickets */ { "npn", srv_parse_npn, 1, 1, 1 }, /* Set NPN supported protocols */ { "send-proxy-v2-ssl", srv_parse_send_proxy_ssl, 0, 1, 1 }, /* send PROXY protocol header v2 with SSL info */ { "send-proxy-v2-ssl-cn", srv_parse_send_proxy_cn, 0, 1, 1 }, /* send PROXY protocol header v2 with CN */ { "sigalgs", srv_parse_sigalgs, 1, 1, 1 }, /* signature algorithms */ { "sni", srv_parse_sni, 1, 1, 1 }, /* send SNI extension */ { "ssl", srv_parse_ssl, 0, 1, 1 }, /* enable SSL processing */ { "ssl-min-ver", srv_parse_tls_method_minmax, 1, 1, 1 }, /* minimum version */ { "ssl-max-ver", srv_parse_tls_method_minmax, 1, 1, 1 }, /* maximum version */ { "ssl-reuse", srv_parse_ssl_reuse, 0, 1, 0 }, /* enable session reuse */ { "tls-tickets", srv_parse_tls_tickets, 0, 1, 1 }, /* enable session resumption tickets */ { "verify", srv_parse_verify, 1, 1, 1 }, /* set SSL verify method */ { "verifyhost", srv_parse_verifyhost, 1, 1, 1 }, /* require that SSL cert verifies for hostname */ { NULL, NULL, 0, 0 }, }}; INITCALL1(STG_REGISTER, srv_register_keywords, &srv_kws); static struct cfg_kw_list cfg_kws = {ILH, { { CFG_GLOBAL, "ca-base", ssl_parse_global_ca_crt_base }, { CFG_GLOBAL, "crt-base", ssl_parse_global_ca_crt_base }, { CFG_GLOBAL, "issuers-chain-path", ssl_load_global_issuers_from_path }, { CFG_GLOBAL, "maxsslconn", ssl_parse_global_int }, { CFG_GLOBAL, "ssl-default-bind-options", ssl_parse_default_bind_options }, { CFG_GLOBAL, "ssl-default-server-options", ssl_parse_default_server_options }, #ifndef OPENSSL_NO_DH { CFG_GLOBAL, "ssl-dh-param-file", ssl_parse_global_dh_param_file }, #endif { CFG_GLOBAL, "ssl-mode-async", ssl_parse_global_ssl_async }, #if defined(USE_ENGINE) && !defined(OPENSSL_NO_ENGINE) { CFG_GLOBAL, "ssl-engine", ssl_parse_global_ssl_engine }, #endif #ifdef HAVE_SSL_PROVIDERS { CFG_GLOBAL, "ssl-propquery", ssl_parse_global_ssl_propquery }, { CFG_GLOBAL, "ssl-provider", ssl_parse_global_ssl_provider }, { CFG_GLOBAL, "ssl-provider-path", ssl_parse_global_ssl_provider_path }, #endif { CFG_GLOBAL, "ssl-skip-self-issued-ca", ssl_parse_skip_self_issued_ca }, { CFG_GLOBAL, "tune.ssl.cachesize", ssl_parse_global_int }, #ifndef OPENSSL_NO_DH { CFG_GLOBAL, "tune.ssl.default-dh-param", ssl_parse_global_default_dh }, #endif { CFG_GLOBAL, "tune.ssl.force-private-cache", ssl_parse_global_private_cache }, { CFG_GLOBAL, "tune.ssl.lifetime", ssl_parse_global_lifetime }, { CFG_GLOBAL, "tune.ssl.maxrecord", ssl_parse_global_int }, { CFG_GLOBAL, "tune.ssl.hard-maxrecord", ssl_parse_global_int }, { CFG_GLOBAL, "tune.ssl.ssl-ctx-cache-size", ssl_parse_global_int }, { CFG_GLOBAL, "tune.ssl.capture-cipherlist-size", ssl_parse_global_capture_buffer }, { CFG_GLOBAL, "tune.ssl.capture-buffer-size", ssl_parse_global_capture_buffer }, { CFG_GLOBAL, "tune.ssl.keylog", ssl_parse_global_keylog }, { CFG_GLOBAL, "ssl-default-bind-ciphers", ssl_parse_global_ciphers }, { CFG_GLOBAL, "ssl-default-server-ciphers", ssl_parse_global_ciphers }, #if defined(SSL_CTX_set1_curves_list) { CFG_GLOBAL, "ssl-default-bind-curves", ssl_parse_global_curves }, { CFG_GLOBAL, "ssl-default-server-curves", ssl_parse_global_curves }, #endif #if defined(SSL_CTX_set1_sigalgs_list) { CFG_GLOBAL, "ssl-default-bind-sigalgs", ssl_parse_global_sigalgs }, { CFG_GLOBAL, "ssl-default-server-sigalgs", ssl_parse_global_sigalgs }, #endif #if defined(SSL_CTX_set1_client_sigalgs_list) { CFG_GLOBAL, "ssl-default-bind-client-sigalgs", ssl_parse_global_client_sigalgs }, { CFG_GLOBAL, "ssl-default-server-client-sigalgs", ssl_parse_global_client_sigalgs }, #endif { CFG_GLOBAL, "ssl-default-bind-ciphersuites", ssl_parse_global_ciphersuites }, { CFG_GLOBAL, "ssl-default-server-ciphersuites", ssl_parse_global_ciphersuites }, { CFG_GLOBAL, "ssl-load-extra-files", ssl_parse_global_extra_files }, { CFG_GLOBAL, "ssl-load-extra-del-ext", ssl_parse_global_extra_noext }, #ifndef OPENSSL_NO_OCSP { CFG_GLOBAL, "tune.ssl.ocsp-update.maxdelay", ssl_parse_global_ocsp_maxdelay }, { CFG_GLOBAL, "tune.ssl.ocsp-update.mindelay", ssl_parse_global_ocsp_mindelay }, #endif { 0, NULL, NULL }, }}; INITCALL1(STG_REGISTER, cfg_register_keywords, &cfg_kws);