Adding upstream version 2.4.57.upstream/2.4.57

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 330 insertions, 0 deletions

diff --git a/modules/md/md.h b/modules/md/md.h
new file mode 100644
index 0000000..1d75d10
--- /dev/null
+++ b/modules/md/md.h
@@ -0,0 +1,330 @@
+/* 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.
+ */
+
+#ifndef mod_md_md_h
+#define mod_md_md_h
+
+#include <apr_time.h>
+
+#include "md_time.h"
+#include "md_version.h"
+
+struct apr_array_header_t;
+struct apr_hash_t;
+struct md_json_t;
+struct md_cert_t;
+struct md_job_t;
+struct md_pkey_t;
+struct md_result_t;
+struct md_store_t;
+struct md_srv_conf_t;
+struct md_pkey_spec_t;
+
+#define MD_PKEY_RSA_BITS_MIN       2048
+#define MD_PKEY_RSA_BITS_DEF       2048
+
+/* Minimum age for the HSTS header (RFC 6797), considered appropriate by Mozilla Security */
+#define MD_HSTS_HEADER             "Strict-Transport-Security"
+#define MD_HSTS_MAX_AGE_DEFAULT    15768000
+
+#define PROTO_ACME_TLS_1        "acme-tls/1"
+
+#define MD_TIME_LIFE_NORM           (apr_time_from_sec(100 * MD_SECS_PER_DAY))
+#define MD_TIME_RENEW_WINDOW_DEF    (apr_time_from_sec(33 * MD_SECS_PER_DAY))
+#define MD_TIME_WARN_WINDOW_DEF     (apr_time_from_sec(10 * MD_SECS_PER_DAY))
+#define MD_TIME_OCSP_KEEP_NORM      (apr_time_from_sec(7 * MD_SECS_PER_DAY))
+
+#define MD_OTHER                "other"
+
+typedef enum {
+    MD_S_UNKNOWN = 0,               /* MD has not been analysed yet */
+    MD_S_INCOMPLETE = 1,            /* MD is missing necessary information, cannot go live */
+    MD_S_COMPLETE = 2,              /* MD has all necessary information, can go live */
+    MD_S_EXPIRED_DEPRECATED = 3,    /* deprecated */
+    MD_S_ERROR = 4,                 /* MD data is flawed, unable to be processed as is */ 
+    MD_S_MISSING_INFORMATION = 5,     /* User has not agreed to ToS */
+} md_state_t;
+
+typedef enum {
+    MD_REQUIRE_UNSET = -1,
+    MD_REQUIRE_OFF,
+    MD_REQUIRE_TEMPORARY,
+    MD_REQUIRE_PERMANENT,
+} md_require_t;
+
+typedef enum {
+    MD_RENEW_DEFAULT = -1,          /* default value */
+    MD_RENEW_MANUAL,                /* manually triggered renewal of certificate */
+    MD_RENEW_AUTO,                  /* automatic process performed by httpd */
+    MD_RENEW_ALWAYS,                /* always renewed by httpd, even if not necessary */
+} md_renew_mode_t;
+
+typedef struct md_t md_t;
+struct md_t {
+    const char *name;               /* unique name of this MD */
+    struct apr_array_header_t *domains; /* all DNS names this MD includes */
+    struct apr_array_header_t *contacts;   /* list of contact uris, e.g. mailto:xxx */
+
+    int transitive;                 /* != 0 iff VirtualHost names/aliases are auto-added */
+    md_require_t require_https;     /* Iff https: is required for this MD */
+    
+    int renew_mode;                 /* mode of obtaining credentials */
+    struct md_pkeys_spec_t *pks;    /* specification for generating private keys */
+    int must_staple;                /* certificates should set the OCSP Must Staple extension */
+    md_timeslice_t *renew_window;   /* time before expiration that starts renewal */
+    md_timeslice_t *warn_window;    /* time before expiration that warnings are sent out */
+    
+    const char *ca_proto;           /* protocol used vs CA (e.g. ACME) */
+    struct apr_array_header_t *ca_urls; /* urls of CAs */
+    const char *ca_effective;       /* url of CA used */
+    const char *ca_account;         /* account used at CA */
+    const char *ca_agreement;       /* accepted agreement uri between CA and user */
+    struct apr_array_header_t *ca_challenges; /* challenge types configured for this MD */
+    struct apr_array_header_t *cert_files; /* != NULL iff pubcerts explicitly configured */
+    struct apr_array_header_t *pkey_files; /* != NULL iff privkeys explicitly configured */
+    const char *ca_eab_kid;         /* optional KEYID for external account binding */
+    const char *ca_eab_hmac;        /* optional HMAC for external account binding */
+
+    md_state_t state;               /* state of this MD */
+    const char *state_descr;        /* description of state of NULL */
+    
+    struct apr_array_header_t *acme_tls_1_domains; /* domains supporting "acme-tls/1" protocol */
+    int stapling;                   /* if OCSP stapling is enabled */
+    const char *dns01_cmd;          /* DNS challenge command, override global command */
+
+    int watched;               /* if certificate is supervised (renew or expiration warning) */
+    const struct md_srv_conf_t *sc; /* server config where it was defined or NULL */
+    const char *defn_name;          /* config file this MD was defined */
+    unsigned defn_line_number;      /* line number of definition */
+    
+    const char *configured_name;    /* name this MD was configured with, if different */
+};
+
+#define MD_KEY_ACCOUNT          "account"
+#define MD_KEY_ACME_TLS_1       "acme-tls/1"
+#define MD_KEY_ACTIVATION_DELAY "activation-delay"
+#define MD_KEY_ACTIVITY         "activity"
+#define MD_KEY_AGREEMENT        "agreement"
+#define MD_KEY_AUTHORIZATIONS   "authorizations"
+#define MD_KEY_BITS             "bits"
+#define MD_KEY_CA               "ca"
+#define MD_KEY_CA_URL           "ca-url"
+#define MD_KEY_CERT             "cert"
+#define MD_KEY_CERT_FILES       "cert-files"
+#define MD_KEY_CERTIFICATE      "certificate"
+#define MD_KEY_CHALLENGE        "challenge"
+#define MD_KEY_CHALLENGES       "challenges"
+#define MD_KEY_CMD_DNS01        "cmd-dns-01"
+#define MD_KEY_COMPLETE         "complete"
+#define MD_KEY_CONTACT          "contact"
+#define MD_KEY_CONTACTS         "contacts"
+#define MD_KEY_CSR              "csr"
+#define MD_KEY_CURVE            "curve"
+#define MD_KEY_DETAIL           "detail"
+#define MD_KEY_DISABLED         "disabled"
+#define MD_KEY_DIR              "dir"
+#define MD_KEY_DOMAIN           "domain"
+#define MD_KEY_DOMAINS          "domains"
+#define MD_KEY_EAB              "eab"
+#define MD_KEY_EAB_REQUIRED     "externalAccountRequired"
+#define MD_KEY_ENTRIES          "entries"
+#define MD_KEY_ERRORED          "errored"
+#define MD_KEY_ERROR            "error"
+#define MD_KEY_ERRORS           "errors"
+#define MD_KEY_EXPIRES          "expires"
+#define MD_KEY_FINALIZE         "finalize"
+#define MD_KEY_FINISHED         "finished"
+#define MD_KEY_FROM             "from"
+#define MD_KEY_GOOD             "good"
+#define MD_KEY_HMAC             "hmac"
+#define MD_KEY_HTTP             "http"
+#define MD_KEY_HTTPS            "https"
+#define MD_KEY_ID               "id"
+#define MD_KEY_IDENTIFIER       "identifier"
+#define MD_KEY_KEY              "key"
+#define MD_KEY_KID              "kid"
+#define MD_KEY_KEYAUTHZ         "keyAuthorization"
+#define MD_KEY_LAST             "last"
+#define MD_KEY_LAST_RUN         "last-run"
+#define MD_KEY_LOCATION         "location"
+#define MD_KEY_LOG              "log"
+#define MD_KEY_MDS              "managed-domains"
+#define MD_KEY_MESSAGE          "message"
+#define MD_KEY_MUST_STAPLE      "must-staple"
+#define MD_KEY_NAME             "name"
+#define MD_KEY_NEXT_RUN         "next-run"
+#define MD_KEY_NOTIFIED         "notified"
+#define MD_KEY_NOTIFIED_RENEWED "notified-renewed"
+#define MD_KEY_OCSP             "ocsp"
+#define MD_KEY_OCSPS            "ocsps"
+#define MD_KEY_ORDERS           "orders"
+#define MD_KEY_PERMANENT        "permanent"
+#define MD_KEY_PKEY             "privkey"
+#define MD_KEY_PKEY_FILES       "pkey-files"
+#define MD_KEY_PROBLEM          "problem"
+#define MD_KEY_PROTO            "proto"
+#define MD_KEY_READY            "ready"
+#define MD_KEY_REGISTRATION     "registration"
+#define MD_KEY_RENEW            "renew"
+#define MD_KEY_RENEW_AT         "renew-at"
+#define MD_KEY_RENEW_MODE       "renew-mode"
+#define MD_KEY_RENEWAL          "renewal"
+#define MD_KEY_RENEWING         "renewing"
+#define MD_KEY_RENEW_WINDOW     "renew-window"
+#define MD_KEY_REQUIRE_HTTPS    "require-https"
+#define MD_KEY_RESOURCE         "resource"
+#define MD_KEY_RESPONSE         "response"
+#define MD_KEY_REVOKED          "revoked"
+#define MD_KEY_SERIAL           "serial"
+#define MD_KEY_SHA256_FINGERPRINT  "sha256-fingerprint"
+#define MD_KEY_STAPLING         "stapling"
+#define MD_KEY_STATE            "state"
+#define MD_KEY_STATE_DESCR      "state-descr"
+#define MD_KEY_STATUS           "status"
+#define MD_KEY_STORE            "store"
+#define MD_KEY_SUBPROBLEMS      "subproblems"
+#define MD_KEY_TEMPORARY        "temporary"
+#define MD_KEY_TOS              "termsOfService"
+#define MD_KEY_TOKEN            "token"
+#define MD_KEY_TOTAL            "total"
+#define MD_KEY_TRANSITIVE       "transitive"
+#define MD_KEY_TYPE             "type"
+#define MD_KEY_UNKNOWN          "unknown"
+#define MD_KEY_UNTIL            "until"
+#define MD_KEY_URL              "url"
+#define MD_KEY_URLS             "urls"
+#define MD_KEY_URI              "uri"
+#define MD_KEY_VALID            "valid"
+#define MD_KEY_VALID_FROM       "valid-from"
+#define MD_KEY_VALUE            "value"
+#define MD_KEY_VERSION          "version"
+#define MD_KEY_WATCHED          "watched"
+#define MD_KEY_WHEN             "when"
+#define MD_KEY_WARN_WINDOW      "warn-window"
+
+/* Check if a string member of a new MD (n) has 
+ * a value and if it differs from the old MD o
+ */
+#define MD_VAL_UPDATE(n,o,s)    ((n)->s != (o)->s)
+#define MD_SVAL_UPDATE(n,o,s)   ((n)->s && (!(o)->s || strcmp((n)->s, (o)->s)))
+
+/**
+ * Determine if the Managed Domain contains a specific domain name.
+ */
+int md_contains(const md_t *md, const char *domain, int case_sensitive);
+
+/**
+ * Determine if the names of the two managed domains overlap.
+ */
+int md_domains_overlap(const md_t *md1, const md_t *md2);
+
+/**
+ * Determine if the domain names are equal.
+ */
+int md_equal_domains(const md_t *md1, const md_t *md2, int case_sensitive);
+
+/**
+ * Determine if the domains in md1 contain all domains of md2.
+ */
+int md_contains_domains(const md_t *md1, const md_t *md2);
+
+/**
+ * Get one common domain name of the two managed domains or NULL.
+ */
+const char *md_common_name(const md_t *md1, const md_t *md2);
+
+/**
+ * Get the number of common domains.
+ */
+apr_size_t md_common_name_count(const md_t *md1, const md_t *md2);
+
+/**
+ * Look up a managed domain by its name.
+ */
+md_t *md_get_by_name(struct apr_array_header_t *mds, const char *name);
+
+/**
+ * Look up a managed domain by a DNS name it contains.
+ */
+md_t *md_get_by_domain(struct apr_array_header_t *mds, const char *domain);
+
+/**
+ * Find a managed domain, different from the given one, that has overlaps
+ * in the domain list.
+ */
+md_t *md_get_by_dns_overlap(struct apr_array_header_t *mds, const md_t *md);
+
+/**
+ * Create and empty md record, structures initialized.
+ */
+md_t *md_create_empty(apr_pool_t *p);
+
+/**
+ * Create a managed domain, given a list of domain names.
+ */
+md_t *md_create(apr_pool_t *p, struct apr_array_header_t *domains);
+
+/**
+ * Deep copy an md record into another pool.
+ */
+md_t *md_clone(apr_pool_t *p, const md_t *src);
+
+/**
+ * Shallow copy an md record into another pool.
+ */
+md_t *md_copy(apr_pool_t *p, const md_t *src);
+
+/** 
+ * Convert the managed domain into a JSON representation and vice versa. 
+ *
+ * This reads and writes the following information: name, domains, ca_url, ca_proto and state.
+ */
+struct md_json_t *md_to_json(const md_t *md, apr_pool_t *p);
+md_t *md_from_json(struct md_json_t *json, apr_pool_t *p);
+
+/**
+ * Same as md_to_json(), but with sensitive fields stripped.
+ */
+struct md_json_t *md_to_public_json(const md_t *md, apr_pool_t *p);
+
+int md_is_covered_by_alt_names(const md_t *md, const struct apr_array_header_t* alt_names);
+
+/* how many certificates this domain has/will eventually have. */
+int md_cert_count(const md_t *md);
+
+const char *md_get_ca_name_from_url(apr_pool_t *p, const char *url);
+apr_status_t md_get_ca_url_from_name(const char **purl, apr_pool_t *p, const char *name);
+
+/**************************************************************************************************/
+/* notifications */
+
+typedef apr_status_t md_job_notify_cb(struct md_job_t *job, const char *reason, 
+                                      struct md_result_t *result, apr_pool_t *p, void *baton);
+
+/**************************************************************************************************/
+/* domain credentials */
+
+typedef struct md_pubcert_t md_pubcert_t;
+struct md_pubcert_t {
+    struct apr_array_header_t *certs;     /* chain of const md_cert*, leaf cert first */
+    struct apr_array_header_t *alt_names; /* alt-names of leaf cert */
+    const char *cert_file;                /* file path of chain */
+    const char *key_file;                 /* file path of key for leaf cert */
+};
+
+#define MD_OK(c)                    (APR_SUCCESS == (rv = c))
+
+#endif /* mod_md_md_h */