| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* Copyright 2017 greenbytes GmbH (https://www.greenbytes.de) |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <assert.h> |
| |
| #include <apr_lib.h> |
| #include <apr_strings.h> |
| |
| #include <httpd.h> |
| #include <http_core.h> |
| #include <http_config.h> |
| #include <http_log.h> |
| #include <http_vhost.h> |
| |
| #include "md.h" |
| #include "md_crypt.h" |
| #include "md_util.h" |
| #include "mod_md_private.h" |
| #include "mod_md_config.h" |
| |
| #define MD_CMD_MD "MDomain" |
| #define MD_CMD_OLD_MD "ManagedDomain" |
| #define MD_CMD_MD_SECTION "<MDomainSet" |
| #define MD_CMD_MD_OLD_SECTION "<ManagedDomain" |
| #define MD_CMD_BASE_SERVER "MDBaseServer" |
| #define MD_CMD_CA "MDCertificateAuthority" |
| #define MD_CMD_CAAGREEMENT "MDCertificateAgreement" |
| #define MD_CMD_CACHALLENGES "MDCAChallenges" |
| #define MD_CMD_CAPROTO "MDCertificateProtocol" |
| #define MD_CMD_DRIVEMODE "MDDriveMode" |
| #define MD_CMD_MEMBER "MDMember" |
| #define MD_CMD_MEMBERS "MDMembers" |
| #define MD_CMD_MUSTSTAPLE "MDMustStaple" |
| #define MD_CMD_NOTIFYCMD "MDNotifyCmd" |
| #define MD_CMD_PORTMAP "MDPortMap" |
| #define MD_CMD_PKEYS "MDPrivateKeys" |
| #define MD_CMD_PROXY "MDHttpProxy" |
| #define MD_CMD_RENEWWINDOW "MDRenewWindow" |
| #define MD_CMD_REQUIREHTTPS "MDRequireHttps" |
| #define MD_CMD_STOREDIR "MDStoreDir" |
| |
| #define DEF_VAL (-1) |
| |
| /* Default settings for the global conf */ |
| static md_mod_conf_t defmc = { |
| NULL, |
| "md", |
| NULL, |
| NULL, |
| 80, |
| 443, |
| 0, |
| 0, |
| 0, |
| MD_HSTS_MAX_AGE_DEFAULT, |
| NULL, |
| NULL, |
| NULL, |
| }; |
| |
| /* Default server specific setting */ |
| static md_srv_conf_t defconf = { |
| "default", |
| NULL, |
| &defmc, |
| |
| 1, |
| MD_REQUIRE_OFF, |
| MD_DRIVE_AUTO, |
| 0, |
| NULL, |
| apr_time_from_sec(90 * MD_SECS_PER_DAY), /* If the cert lifetime were 90 days, renew */ |
| apr_time_from_sec(30 * MD_SECS_PER_DAY), /* 30 days before. Adjust to actual lifetime */ |
| MD_ACME_DEF_URL, |
| "ACME", |
| NULL, |
| NULL, |
| NULL, |
| NULL, |
| }; |
| |
| static md_mod_conf_t *mod_md_config; |
| |
| static apr_status_t cleanup_mod_config(void *dummy) |
| { |
| (void)dummy; |
| mod_md_config = NULL; |
| return APR_SUCCESS; |
| } |
| |
| static md_mod_conf_t *md_mod_conf_get(apr_pool_t *pool, int create) |
| { |
| if (mod_md_config) { |
| return mod_md_config; /* reused for lifetime of the pool */ |
| } |
| |
| if (create) { |
| mod_md_config = apr_pcalloc(pool, sizeof(*mod_md_config)); |
| memcpy(mod_md_config, &defmc, sizeof(*mod_md_config)); |
| mod_md_config->mds = apr_array_make(pool, 5, sizeof(const md_t *)); |
| mod_md_config->unused_names = apr_array_make(pool, 5, sizeof(const md_t *)); |
| |
| apr_pool_cleanup_register(pool, NULL, cleanup_mod_config, apr_pool_cleanup_null); |
| } |
| |
| return mod_md_config; |
| } |
| |
| #define CONF_S_NAME(s) (s && s->server_hostname? s->server_hostname : "default") |
| |
| static void srv_conf_props_clear(md_srv_conf_t *sc) |
| { |
| sc->transitive = DEF_VAL; |
| sc->require_https = MD_REQUIRE_UNSET; |
| sc->drive_mode = DEF_VAL; |
| sc->must_staple = DEF_VAL; |
| sc->pkey_spec = NULL; |
| sc->renew_norm = DEF_VAL; |
| sc->renew_window = DEF_VAL; |
| sc->ca_url = NULL; |
| sc->ca_proto = NULL; |
| sc->ca_agreement = NULL; |
| sc->ca_challenges = NULL; |
| } |
| |
| static void srv_conf_props_copy(md_srv_conf_t *to, const md_srv_conf_t *from) |
| { |
| to->transitive = from->transitive; |
| to->require_https = from->require_https; |
| to->drive_mode = from->drive_mode; |
| to->must_staple = from->must_staple; |
| to->pkey_spec = from->pkey_spec; |
| to->renew_norm = from->renew_norm; |
| to->renew_window = from->renew_window; |
| to->ca_url = from->ca_url; |
| to->ca_proto = from->ca_proto; |
| to->ca_agreement = from->ca_agreement; |
| to->ca_challenges = from->ca_challenges; |
| } |
| |
| static void srv_conf_props_apply(md_t *md, const md_srv_conf_t *from, apr_pool_t *p) |
| { |
| if (from->require_https != MD_REQUIRE_UNSET) md->require_https = from->require_https; |
| if (from->transitive != DEF_VAL) md->transitive = from->transitive; |
| if (from->drive_mode != DEF_VAL) md->drive_mode = from->drive_mode; |
| if (from->must_staple != DEF_VAL) md->must_staple = from->must_staple; |
| if (from->pkey_spec) md->pkey_spec = from->pkey_spec; |
| if (from->renew_norm != DEF_VAL) md->renew_norm = from->renew_norm; |
| if (from->renew_window != DEF_VAL) md->renew_window = from->renew_window; |
| |
| if (from->ca_url) md->ca_url = from->ca_url; |
| if (from->ca_proto) md->ca_proto = from->ca_proto; |
| if (from->ca_agreement) md->ca_agreement = from->ca_agreement; |
| if (from->ca_challenges) md->ca_challenges = apr_array_copy(p, from->ca_challenges); |
| } |
| |
| void *md_config_create_svr(apr_pool_t *pool, server_rec *s) |
| { |
| md_srv_conf_t *conf = (md_srv_conf_t *)apr_pcalloc(pool, sizeof(md_srv_conf_t)); |
| |
| conf->name = apr_pstrcat(pool, "srv[", CONF_S_NAME(s), "]", NULL); |
| conf->s = s; |
| conf->mc = md_mod_conf_get(pool, 1); |
| |
| srv_conf_props_clear(conf); |
| |
| return conf; |
| } |
| |
| static void *md_config_merge(apr_pool_t *pool, void *basev, void *addv) |
| { |
| md_srv_conf_t *base = (md_srv_conf_t *)basev; |
| md_srv_conf_t *add = (md_srv_conf_t *)addv; |
| md_srv_conf_t *nsc; |
| char *name = apr_pstrcat(pool, "[", CONF_S_NAME(add->s), ", ", CONF_S_NAME(base->s), "]", NULL); |
| |
| nsc = (md_srv_conf_t *)apr_pcalloc(pool, sizeof(md_srv_conf_t)); |
| nsc->name = name; |
| nsc->mc = add->mc? add->mc : base->mc; |
| nsc->assigned = add->assigned? add->assigned : base->assigned; |
| |
| nsc->transitive = (add->transitive != DEF_VAL)? add->transitive : base->transitive; |
| nsc->require_https = (add->require_https != MD_REQUIRE_UNSET)? add->require_https : base->require_https; |
| nsc->drive_mode = (add->drive_mode != DEF_VAL)? add->drive_mode : base->drive_mode; |
| nsc->must_staple = (add->must_staple != DEF_VAL)? add->must_staple : base->must_staple; |
| nsc->pkey_spec = add->pkey_spec? add->pkey_spec : base->pkey_spec; |
| nsc->renew_window = (add->renew_norm != DEF_VAL)? add->renew_norm : base->renew_norm; |
| nsc->renew_window = (add->renew_window != DEF_VAL)? add->renew_window : base->renew_window; |
| |
| nsc->ca_url = add->ca_url? add->ca_url : base->ca_url; |
| nsc->ca_proto = add->ca_proto? add->ca_proto : base->ca_proto; |
| nsc->ca_agreement = add->ca_agreement? add->ca_agreement : base->ca_agreement; |
| nsc->ca_challenges = (add->ca_challenges? apr_array_copy(pool, add->ca_challenges) |
| : (base->ca_challenges? apr_array_copy(pool, base->ca_challenges) : NULL)); |
| nsc->current = NULL; |
| nsc->assigned = NULL; |
| |
| return nsc; |
| } |
| |
| void *md_config_merge_svr(apr_pool_t *pool, void *basev, void *addv) |
| { |
| return md_config_merge(pool, basev, addv); |
| } |
| |
| static int inside_section(cmd_parms *cmd, const char *section) { |
| ap_directive_t *d; |
| for (d = cmd->directive->parent; d; d = d->parent) { |
| if (!ap_cstr_casecmp(d->directive, section)) { |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| static int inside_md_section(cmd_parms *cmd) { |
| return (inside_section(cmd, MD_CMD_MD_SECTION) || inside_section(cmd, MD_CMD_MD_OLD_SECTION)); |
| } |
| |
| static const char *md_section_check(cmd_parms *cmd) { |
| if (!inside_md_section(cmd)) { |
| return apr_pstrcat(cmd->pool, cmd->cmd->name, " is only valid inside a '", |
| MD_CMD_MD_SECTION, "' context, not here", NULL); |
| } |
| return NULL; |
| } |
| |
| static void add_domain_name(apr_array_header_t *domains, const char *name, apr_pool_t *p) |
| { |
| if (md_array_str_index(domains, name, 0, 0) < 0) { |
| APR_ARRAY_PUSH(domains, char *) = md_util_str_tolower(apr_pstrdup(p, name)); |
| } |
| } |
| |
| static const char *set_transitive(int *ptransitive, const char *value) |
| { |
| if (!apr_strnatcasecmp("auto", value)) { |
| *ptransitive = 1; |
| return NULL; |
| } |
| else if (!apr_strnatcasecmp("manual", value)) { |
| *ptransitive = 0; |
| return NULL; |
| } |
| return "unknown value, use \"auto|manual\""; |
| } |
| |
| static const char *md_config_sec_start(cmd_parms *cmd, void *mconfig, const char *arg) |
| { |
| md_srv_conf_t *sc; |
| md_srv_conf_t save; |
| const char *endp; |
| const char *err, *name; |
| apr_array_header_t *domains; |
| md_t *md; |
| int transitive = -1; |
| |
| (void)mconfig; |
| if ((err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| |
| sc = md_config_get(cmd->server); |
| endp = ap_strrchr_c(arg, '>'); |
| if (endp == NULL) { |
| return MD_CMD_MD_SECTION "> directive missing closing '>'"; |
| } |
| |
| arg = apr_pstrndup(cmd->pool, arg, (apr_size_t)(endp-arg)); |
| if (!arg || !*arg) { |
| return MD_CMD_MD_SECTION " > section must specify a unique domain name"; |
| } |
| |
| name = ap_getword_white(cmd->pool, &arg); |
| domains = apr_array_make(cmd->pool, 5, sizeof(const char *)); |
| add_domain_name(domains, name, cmd->pool); |
| while (*arg != '\0') { |
| name = ap_getword_white(cmd->pool, &arg); |
| if (NULL != set_transitive(&transitive, name)) { |
| add_domain_name(domains, name, cmd->pool); |
| } |
| } |
| |
| if (domains->nelts == 0) { |
| return "needs at least one domain name"; |
| } |
| |
| md = md_create(cmd->pool, domains); |
| if (transitive >= 0) { |
| md->transitive = transitive; |
| } |
| |
| /* Save the current settings in this srv_conf and apply+restore at the |
| * end of this section */ |
| memcpy(&save, sc, sizeof(save)); |
| srv_conf_props_clear(sc); |
| sc->current = md; |
| |
| if (NULL == (err = ap_walk_config(cmd->directive->first_child, cmd, cmd->context))) { |
| srv_conf_props_apply(md, sc, cmd->pool); |
| APR_ARRAY_PUSH(sc->mc->mds, const md_t *) = md; |
| } |
| |
| sc->current = NULL; |
| srv_conf_props_copy(sc, &save); |
| |
| return err; |
| } |
| |
| static const char *md_config_sec_add_members(cmd_parms *cmd, void *dc, |
| int argc, char *const argv[]) |
| { |
| md_srv_conf_t *sc = md_config_get(cmd->server); |
| const char *err; |
| int i; |
| |
| (void)dc; |
| if (NULL != (err = md_section_check(cmd))) { |
| if (argc == 1) { |
| /* only these values are allowed outside a section */ |
| return set_transitive(&sc->transitive, argv[0]); |
| } |
| return err; |
| } |
| |
| assert(sc->current); |
| for (i = 0; i < argc; ++i) { |
| if (NULL != set_transitive(&sc->transitive, argv[i])) { |
| add_domain_name(sc->current->domains, argv[i], cmd->pool); |
| } |
| } |
| return NULL; |
| } |
| |
| static const char *md_config_set_names(cmd_parms *cmd, void *dc, |
| int argc, char *const argv[]) |
| { |
| md_srv_conf_t *sc = md_config_get(cmd->server); |
| apr_array_header_t *domains = apr_array_make(cmd->pool, 5, sizeof(const char *)); |
| const char *err; |
| md_t *md; |
| int i, transitive = -1; |
| |
| (void)dc; |
| err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE); |
| if (err) { |
| return err; |
| } |
| |
| for (i = 0; i < argc; ++i) { |
| if (NULL != set_transitive(&transitive, argv[i])) { |
| add_domain_name(domains, argv[i], cmd->pool); |
| } |
| } |
| |
| if (domains->nelts == 0) { |
| return "needs at least one domain name"; |
| } |
| md = md_create(cmd->pool, domains); |
| |
| if (transitive >= 0) { |
| md->transitive = transitive; |
| } |
| |
| if (cmd->config_file) { |
| md->defn_name = cmd->config_file->name; |
| md->defn_line_number = cmd->config_file->line_number; |
| } |
| |
| APR_ARRAY_PUSH(sc->mc->mds, md_t *) = md; |
| |
| return NULL; |
| } |
| |
| static const char *md_config_set_ca(cmd_parms *cmd, void *dc, const char *value) |
| { |
| md_srv_conf_t *sc = md_config_get(cmd->server); |
| const char *err; |
| |
| (void)dc; |
| if (!inside_md_section(cmd) && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| sc->ca_url = value; |
| return NULL; |
| } |
| |
| static const char *md_config_set_ca_proto(cmd_parms *cmd, void *dc, const char *value) |
| { |
| md_srv_conf_t *config = md_config_get(cmd->server); |
| const char *err; |
| |
| (void)dc; |
| if (!inside_md_section(cmd) && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| config->ca_proto = value; |
| return NULL; |
| } |
| |
| static const char *md_config_set_agreement(cmd_parms *cmd, void *dc, const char *value) |
| { |
| md_srv_conf_t *config = md_config_get(cmd->server); |
| const char *err; |
| |
| (void)dc; |
| if (!inside_md_section(cmd) && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| config->ca_agreement = value; |
| return NULL; |
| } |
| |
| static const char *md_config_set_drive_mode(cmd_parms *cmd, void *dc, const char *value) |
| { |
| md_srv_conf_t *config = md_config_get(cmd->server); |
| const char *err; |
| md_drive_mode_t drive_mode; |
| |
| (void)dc; |
| if (!apr_strnatcasecmp("auto", value) || !apr_strnatcasecmp("automatic", value)) { |
| drive_mode = MD_DRIVE_AUTO; |
| } |
| else if (!apr_strnatcasecmp("always", value)) { |
| drive_mode = MD_DRIVE_ALWAYS; |
| } |
| else if (!apr_strnatcasecmp("manual", value) || !apr_strnatcasecmp("stick", value)) { |
| drive_mode = MD_DRIVE_MANUAL; |
| } |
| else { |
| return apr_pstrcat(cmd->pool, "unknown MDDriveMode ", value, NULL); |
| } |
| |
| if (!inside_md_section(cmd) && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| config->drive_mode = drive_mode; |
| return NULL; |
| } |
| |
| static const char *md_config_set_must_staple(cmd_parms *cmd, void *dc, const char *value) |
| { |
| md_srv_conf_t *config = md_config_get(cmd->server); |
| const char *err; |
| |
| (void)dc; |
| if (!inside_md_section(cmd) && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| |
| if (!apr_strnatcasecmp("off", value)) { |
| config->must_staple = 0; |
| } |
| else if (!apr_strnatcasecmp("on", value)) { |
| config->must_staple = 1; |
| } |
| else { |
| return apr_pstrcat(cmd->pool, "unknown '", value, |
| "', supported parameter values are 'on' and 'off'", NULL); |
| } |
| return NULL; |
| } |
| |
| static const char *md_config_set_base_server(cmd_parms *cmd, void *dc, const char *value) |
| { |
| md_srv_conf_t *config = md_config_get(cmd->server); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| (void)dc; |
| if (!err) { |
| if (!apr_strnatcasecmp("off", value)) { |
| config->mc->manage_base_server = 0; |
| } |
| else if (!apr_strnatcasecmp("on", value)) { |
| config->mc->manage_base_server = 1; |
| } |
| else { |
| err = apr_pstrcat(cmd->pool, "unknown '", value, |
| "', supported parameter values are 'on' and 'off'", NULL); |
| } |
| } |
| return err; |
| } |
| |
| static const char *md_config_set_require_https(cmd_parms *cmd, void *dc, const char *value) |
| { |
| md_srv_conf_t *config = md_config_get(cmd->server); |
| const char *err; |
| |
| (void)dc; |
| if (!inside_md_section(cmd) && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| |
| if (!apr_strnatcasecmp("off", value)) { |
| config->require_https = MD_REQUIRE_OFF; |
| } |
| else if (!apr_strnatcasecmp(MD_KEY_TEMPORARY, value)) { |
| config->require_https = MD_REQUIRE_TEMPORARY; |
| } |
| else if (!apr_strnatcasecmp(MD_KEY_PERMANENT, value)) { |
| config->require_https = MD_REQUIRE_PERMANENT; |
| } |
| else { |
| return apr_pstrcat(cmd->pool, "unknown '", value, |
| "', supported parameter values are 'temporary' and 'permanent'", NULL); |
| } |
| return NULL; |
| } |
| |
| static apr_status_t duration_parse(const char *value, apr_interval_time_t *ptimeout, |
| const char *def_unit) |
| { |
| char *endp; |
| long funits = 1; |
| apr_status_t rv; |
| apr_int64_t n; |
| |
| n = apr_strtoi64(value, &endp, 10); |
| if (errno) { |
| return errno; |
| } |
| if (!endp || !*endp) { |
| if (strcmp(def_unit, "d") == 0) { |
| def_unit = "s"; |
| funits = MD_SECS_PER_DAY; |
| } |
| } |
| else if (endp == value) { |
| return APR_EINVAL; |
| } |
| else if (*endp == 'd') { |
| *ptimeout = apr_time_from_sec(n * MD_SECS_PER_DAY); |
| return APR_SUCCESS; |
| } |
| else { |
| def_unit = endp; |
| } |
| rv = ap_timeout_parameter_parse(value, ptimeout, def_unit); |
| if (APR_SUCCESS == rv && funits > 1) { |
| *ptimeout *= funits; |
| } |
| return rv; |
| } |
| |
| static apr_status_t percentage_parse(const char *value, int *ppercent) |
| { |
| char *endp; |
| apr_int64_t n; |
| |
| n = apr_strtoi64(value, &endp, 10); |
| if (errno) { |
| return errno; |
| } |
| if (*endp == '%') { |
| if (n < 0 || n >= 100) { |
| return APR_BADARG; |
| } |
| *ppercent = (int)n; |
| return APR_SUCCESS; |
| } |
| return APR_EINVAL; |
| } |
| |
| static const char *md_config_set_renew_window(cmd_parms *cmd, void *dc, const char *value) |
| { |
| md_srv_conf_t *config = md_config_get(cmd->server); |
| const char *err; |
| apr_interval_time_t timeout; |
| int percent = 0; |
| |
| (void)dc; |
| if (!inside_md_section(cmd) |
| && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| |
| /* Inspired by http_core.c */ |
| if (duration_parse(value, &timeout, "d") == APR_SUCCESS) { |
| config->renew_norm = 0; |
| config->renew_window = timeout; |
| return NULL; |
| } |
| else { |
| switch (percentage_parse(value, &percent)) { |
| case APR_SUCCESS: |
| config->renew_norm = apr_time_from_sec(100 * MD_SECS_PER_DAY); |
| config->renew_window = apr_time_from_sec(percent * MD_SECS_PER_DAY); |
| return NULL; |
| case APR_BADARG: |
| return "MDRenewWindow as percent must be less than 100"; |
| } |
| } |
| return "MDRenewWindow has unrecognized format"; |
| } |
| |
| static const char *md_config_set_proxy(cmd_parms *cmd, void *arg, const char *value) |
| { |
| md_srv_conf_t *sc = md_config_get(cmd->server); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| if (err) { |
| return err; |
| } |
| md_util_abs_http_uri_check(cmd->pool, value, &err); |
| if (err) { |
| return err; |
| } |
| sc->mc->proxy_url = value; |
| (void)arg; |
| return NULL; |
| } |
| |
| static const char *md_config_set_store_dir(cmd_parms *cmd, void *arg, const char *value) |
| { |
| md_srv_conf_t *sc = md_config_get(cmd->server); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| if (err) { |
| return err; |
| } |
| sc->mc->base_dir = value; |
| (void)arg; |
| return NULL; |
| } |
| |
| static const char *set_port_map(md_mod_conf_t *mc, const char *value) |
| { |
| int net_port, local_port; |
| char *endp; |
| |
| net_port = (int)apr_strtoi64(value, &endp, 10); |
| if (errno) { |
| return "unable to parse first port number"; |
| } |
| if (!endp || *endp != ':') { |
| return "no ':' after first port number"; |
| } |
| ++endp; |
| if (*endp == '-') { |
| local_port = 0; |
| } |
| else { |
| local_port = (int)apr_strtoi64(endp, &endp, 10); |
| if (errno) { |
| return "unable to parse second port number"; |
| } |
| if (local_port <= 0 || local_port > 65535) { |
| return "invalid number for port map, must be in ]0,65535]"; |
| } |
| } |
| switch (net_port) { |
| case 80: |
| mc->local_80 = local_port; |
| break; |
| case 443: |
| mc->local_443 = local_port; |
| break; |
| default: |
| return "mapped port number must be 80 or 443"; |
| } |
| return NULL; |
| } |
| |
| static const char *md_config_set_port_map(cmd_parms *cmd, void *arg, |
| const char *v1, const char *v2) |
| { |
| md_srv_conf_t *sc = md_config_get(cmd->server); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| (void)arg; |
| if (!err) { |
| err = set_port_map(sc->mc, v1); |
| } |
| if (!err && v2) { |
| err = set_port_map(sc->mc, v2); |
| } |
| return err; |
| } |
| |
| static const char *md_config_set_cha_tyes(cmd_parms *cmd, void *dc, |
| int argc, char *const argv[]) |
| { |
| md_srv_conf_t *config = md_config_get(cmd->server); |
| apr_array_header_t **pcha, *ca_challenges; |
| const char *err; |
| int i; |
| |
| (void)dc; |
| if (!inside_md_section(cmd) |
| && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| pcha = &config->ca_challenges; |
| |
| ca_challenges = *pcha; |
| if (!ca_challenges) { |
| *pcha = ca_challenges = apr_array_make(cmd->pool, 5, sizeof(const char *)); |
| } |
| for (i = 0; i < argc; ++i) { |
| APR_ARRAY_PUSH(ca_challenges, const char *) = argv[i]; |
| } |
| |
| return NULL; |
| } |
| |
| static const char *md_config_set_pkeys(cmd_parms *cmd, void *dc, |
| int argc, char *const argv[]) |
| { |
| md_srv_conf_t *config = md_config_get(cmd->server); |
| const char *err, *ptype; |
| apr_int64_t bits; |
| |
| (void)dc; |
| if (!inside_md_section(cmd) |
| && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) { |
| return err; |
| } |
| if (argc <= 0) { |
| return "needs to specify the private key type"; |
| } |
| |
| ptype = argv[0]; |
| if (!apr_strnatcasecmp("Default", ptype)) { |
| if (argc > 1) { |
| return "type 'Default' takes no parameter"; |
| } |
| if (!config->pkey_spec) { |
| config->pkey_spec = apr_pcalloc(cmd->pool, sizeof(*config->pkey_spec)); |
| } |
| config->pkey_spec->type = MD_PKEY_TYPE_DEFAULT; |
| return NULL; |
| } |
| else if (!apr_strnatcasecmp("RSA", ptype)) { |
| if (argc == 1) { |
| bits = MD_PKEY_RSA_BITS_DEF; |
| } |
| else if (argc == 2) { |
| bits = (int)apr_atoi64(argv[1]); |
| if (bits < MD_PKEY_RSA_BITS_MIN || bits >= INT_MAX) { |
| return apr_psprintf(cmd->pool, "must be %d or higher in order to be considered " |
| "safe. Too large a value will slow down everything. Larger then 4096 probably does " |
| "not make sense unless quantum cryptography really changes spin.", |
| MD_PKEY_RSA_BITS_MIN); |
| } |
| } |
| else { |
| return "key type 'RSA' has only one optional parameter, the number of bits"; |
| } |
| |
| if (!config->pkey_spec) { |
| config->pkey_spec = apr_pcalloc(cmd->pool, sizeof(*config->pkey_spec)); |
| } |
| config->pkey_spec->type = MD_PKEY_TYPE_RSA; |
| config->pkey_spec->params.rsa.bits = (unsigned int)bits; |
| return NULL; |
| } |
| return apr_pstrcat(cmd->pool, "unsupported private key type \"", ptype, "\"", NULL); |
| } |
| |
| static const char *md_config_set_notify_cmd(cmd_parms *cmd, void *arg, const char *value) |
| { |
| md_srv_conf_t *sc = md_config_get(cmd->server); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| if (err) { |
| return err; |
| } |
| sc->mc->notify_cmd = value; |
| (void)arg; |
| return NULL; |
| } |
| |
| static const char *md_config_set_names_old(cmd_parms *cmd, void *dc, |
| int argc, char *const argv[]) |
| { |
| ap_log_error( APLOG_MARK, APLOG_WARNING, 0, cmd->server, |
| "mod_md: directive 'ManagedDomain' is deprecated, replace with 'MDomain'."); |
| return md_config_set_names(cmd, dc, argc, argv); |
| } |
| |
| static const char *md_config_sec_start_old(cmd_parms *cmd, void *mconfig, const char *arg) |
| { |
| ap_log_error( APLOG_MARK, APLOG_WARNING, 0, cmd->server, |
| "mod_md: directive '<ManagedDomain' is deprecated, replace with '<MDomainSet'."); |
| return md_config_sec_start(cmd, mconfig, arg); |
| } |
| |
| const command_rec md_cmds[] = { |
| AP_INIT_TAKE1( MD_CMD_CA, md_config_set_ca, NULL, RSRC_CONF, |
| "URL of CA issuing the certificates"), |
| AP_INIT_TAKE1( MD_CMD_CAAGREEMENT, md_config_set_agreement, NULL, RSRC_CONF, |
| "URL of CA Terms-of-Service agreement you accept"), |
| AP_INIT_TAKE_ARGV( MD_CMD_CACHALLENGES, md_config_set_cha_tyes, NULL, RSRC_CONF, |
| "A list of challenge types to be used."), |
| AP_INIT_TAKE1( MD_CMD_CAPROTO, md_config_set_ca_proto, NULL, RSRC_CONF, |
| "Protocol used to obtain/renew certificates"), |
| AP_INIT_TAKE1( MD_CMD_DRIVEMODE, md_config_set_drive_mode, NULL, RSRC_CONF, |
| "method of obtaining certificates for the managed domain"), |
| AP_INIT_TAKE_ARGV( MD_CMD_MD, md_config_set_names, NULL, RSRC_CONF, |
| "A group of server names with one certificate"), |
| AP_INIT_RAW_ARGS( MD_CMD_MD_SECTION, md_config_sec_start, NULL, RSRC_CONF, |
| "Container for a managed domain with common settings and certificate."), |
| AP_INIT_TAKE_ARGV( MD_CMD_MEMBER, md_config_sec_add_members, NULL, RSRC_CONF, |
| "Define domain name(s) part of the Managed Domain. Use 'auto' or " |
| "'manual' to enable/disable auto adding names from virtual hosts."), |
| AP_INIT_TAKE_ARGV( MD_CMD_MEMBERS, md_config_sec_add_members, NULL, RSRC_CONF, |
| "Define domain name(s) part of the Managed Domain. Use 'auto' or " |
| "'manual' to enable/disable auto adding names from virtual hosts."), |
| AP_INIT_TAKE1( MD_CMD_MUSTSTAPLE, md_config_set_must_staple, NULL, RSRC_CONF, |
| "Enable/Disable the Must-Staple flag for new certificates."), |
| AP_INIT_TAKE12( MD_CMD_PORTMAP, md_config_set_port_map, NULL, RSRC_CONF, |
| "Declare the mapped ports 80 and 443 on the local server. E.g. 80:8000 " |
| "to indicate that the server port 8000 is reachable as port 80 from the " |
| "internet. Use 80:- to indicate that port 80 is not reachable from " |
| "the outside."), |
| AP_INIT_TAKE_ARGV( MD_CMD_PKEYS, md_config_set_pkeys, NULL, RSRC_CONF, |
| "set the type and parameters for private key generation"), |
| AP_INIT_TAKE1( MD_CMD_PROXY, md_config_set_proxy, NULL, RSRC_CONF, |
| "URL of a HTTP(S) proxy to use for outgoing connections"), |
| AP_INIT_TAKE1( MD_CMD_STOREDIR, md_config_set_store_dir, NULL, RSRC_CONF, |
| "the directory for file system storage of managed domain data."), |
| AP_INIT_TAKE1( MD_CMD_RENEWWINDOW, md_config_set_renew_window, NULL, RSRC_CONF, |
| "Time length for renewal before certificate expires (defaults to days)"), |
| AP_INIT_TAKE1( MD_CMD_REQUIREHTTPS, md_config_set_require_https, NULL, RSRC_CONF, |
| "Redirect non-secure requests to the https: equivalent."), |
| AP_INIT_TAKE1( MD_CMD_NOTIFYCMD, md_config_set_notify_cmd, NULL, RSRC_CONF, |
| "set the command to run when signup/renew of domain is complete."), |
| AP_INIT_TAKE1( MD_CMD_BASE_SERVER, md_config_set_base_server, NULL, RSRC_CONF, |
| "allow managing of base server outside virtual hosts."), |
| |
| /* This will disappear soon */ |
| AP_INIT_TAKE_ARGV( MD_CMD_OLD_MD, md_config_set_names_old, NULL, RSRC_CONF, |
| "Deprecated, replace with 'MDomain'."), |
| AP_INIT_RAW_ARGS( MD_CMD_MD_OLD_SECTION, md_config_sec_start_old, NULL, RSRC_CONF, |
| "Deprecated, replace with '<MDomainSet'."), |
| /* */ |
| |
| AP_INIT_TAKE1(NULL, NULL, NULL, RSRC_CONF, NULL) |
| }; |
| |
| apr_status_t md_config_post_config(server_rec *s, apr_pool_t *p) |
| { |
| md_srv_conf_t *sc; |
| md_mod_conf_t *mc; |
| |
| sc = md_config_get(s); |
| mc = sc->mc; |
| |
| mc->hsts_header = NULL; |
| if (mc->hsts_max_age > 0) { |
| mc->hsts_header = apr_psprintf(p, "max-age=%d", mc->hsts_max_age); |
| } |
| |
| return APR_SUCCESS; |
| } |
| |
| static md_srv_conf_t *config_get_int(server_rec *s, apr_pool_t *p) |
| { |
| md_srv_conf_t *sc = (md_srv_conf_t *)ap_get_module_config(s->module_config, &md_module); |
| ap_assert(sc); |
| if (sc->s != s && p) { |
| sc = md_config_merge(p, &defconf, sc); |
| sc->name = apr_pstrcat(p, CONF_S_NAME(s), sc->name, NULL); |
| sc->mc = md_mod_conf_get(p, 1); |
| ap_set_module_config(s->module_config, &md_module, sc); |
| } |
| return sc; |
| } |
| |
| md_srv_conf_t *md_config_get(server_rec *s) |
| { |
| return config_get_int(s, NULL); |
| } |
| |
| md_srv_conf_t *md_config_get_unique(server_rec *s, apr_pool_t *p) |
| { |
| assert(p); |
| return config_get_int(s, p); |
| } |
| |
| md_srv_conf_t *md_config_cget(conn_rec *c) |
| { |
| return md_config_get(c->base_server); |
| } |
| |
| const char *md_config_gets(const md_srv_conf_t *sc, md_config_var_t var) |
| { |
| switch (var) { |
| case MD_CONFIG_CA_URL: |
| return sc->ca_url? sc->ca_url : defconf.ca_url; |
| case MD_CONFIG_CA_PROTO: |
| return sc->ca_proto? sc->ca_proto : defconf.ca_proto; |
| case MD_CONFIG_BASE_DIR: |
| return sc->mc->base_dir; |
| case MD_CONFIG_PROXY: |
| return sc->mc->proxy_url; |
| case MD_CONFIG_CA_AGREEMENT: |
| return sc->ca_agreement? sc->ca_agreement : defconf.ca_agreement; |
| case MD_CONFIG_NOTIFY_CMD: |
| return sc->mc->notify_cmd; |
| default: |
| return NULL; |
| } |
| } |
| |
| int md_config_geti(const md_srv_conf_t *sc, md_config_var_t var) |
| { |
| switch (var) { |
| case MD_CONFIG_DRIVE_MODE: |
| return (sc->drive_mode != DEF_VAL)? sc->drive_mode : defconf.drive_mode; |
| case MD_CONFIG_LOCAL_80: |
| return sc->mc->local_80; |
| case MD_CONFIG_LOCAL_443: |
| return sc->mc->local_443; |
| case MD_CONFIG_TRANSITIVE: |
| return (sc->transitive != DEF_VAL)? sc->transitive : defconf.transitive; |
| case MD_CONFIG_REQUIRE_HTTPS: |
| return (sc->require_https != MD_REQUIRE_UNSET)? sc->require_https : defconf.require_https; |
| case MD_CONFIG_MUST_STAPLE: |
| return (sc->must_staple != DEF_VAL)? sc->must_staple : defconf.must_staple; |
| default: |
| return 0; |
| } |
| } |
| |
| apr_interval_time_t md_config_get_interval(const md_srv_conf_t *sc, md_config_var_t var) |
| { |
| switch (var) { |
| case MD_CONFIG_RENEW_NORM: |
| return (sc->renew_norm != DEF_VAL)? sc->renew_norm : defconf.renew_norm; |
| case MD_CONFIG_RENEW_WINDOW: |
| return (sc->renew_window != DEF_VAL)? sc->renew_window : defconf.renew_window; |
| default: |
| return 0; |
| } |
| } |