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| -rw-r--r-- | dirmngr/dirmngr.h | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/dirmngr/dirmngr.h b/dirmngr/dirmngr.h new file mode 100644 index 0000000..fed4599 --- /dev/null +++ b/dirmngr/dirmngr.h @@ -0,0 +1,288 @@ +/* dirmngr.h - Common definitions for the dirmngr + * Copyright (C) 2002 Klarälvdalens Datakonsult AB + * Copyright (C) 2004, 2015 g10 Code GmbH + * Copyright (C) 2014 Werner Koch + * + * This file is part of GnuPG. + * + * GnuPG 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 3 of the License, or + * (at your option) any later version. + * + * GnuPG is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses/>. + * + * SPDX-License-Identifier: GPL-3.0+ + */ + +#ifndef DIRMNGR_H +#define DIRMNGR_H + +#include "./dirmngr-err.h" +#define map_assuan_err(a) \ + map_assuan_err_with_source (GPG_ERR_SOURCE_DEFAULT, (a)) +#include <errno.h> +#include <gcrypt.h> +#include <ksba.h> + +#include "../common/util.h" +#include "../common/membuf.h" +#include "../common/sysutils.h" /* (gnupg_fd_t) */ +#include "../common/asshelp.h" /* (assuan_context_t) */ +#include "../common/i18n.h" +#include "dirmngr-status.h" +#include "http.h" /* (parsed_uri_t) */ + +/* This objects keeps information about a particular LDAP server and + is used as item of a single linked list of servers. */ +struct ldap_server_s +{ + struct ldap_server_s* next; + + char *host; + int port; + char *user; + char *pass; + char *base; + + unsigned int starttls:1; /* Use STARTTLS. */ + unsigned int ldap_over_tls:1; /* Use LDAP over an TLS tunnel */ + unsigned int ntds:1; /* Use Active Directory authentication. */ + unsigned int areconly:1; /* Set LDAP_OPT_AREC_EXCLUSIVE. */ +}; +typedef struct ldap_server_s *ldap_server_t; + + +/* This objects is used to build a list of URI consisting of the + original and the parsed URI. */ +struct uri_item_s +{ + struct uri_item_s *next; + parsed_uri_t parsed_uri; /* The broken down URI. */ + char uri[1]; /* The original URI. */ +}; +typedef struct uri_item_s *uri_item_t; + + +/* A list of fingerprints. */ +struct fingerprint_list_s; +typedef struct fingerprint_list_s *fingerprint_list_t; +struct fingerprint_list_s +{ + fingerprint_list_t next; + char binlen; /* If this is not 0 hexfpr actually carries a binary fpr. */ + char hexfpr[20+20+1]; +}; + + +/* A large struct named "opt" to keep global flags. */ +EXTERN_UNLESS_MAIN_MODULE +struct +{ + unsigned int debug; /* debug flags (DBG_foo_VALUE) */ + int verbose; /* verbosity level */ + int quiet; /* be as quiet as possible */ + int dry_run; /* don't change any persistent data */ + int batch; /* batch mode */ + const char *homedir_cache; /* Dir for cache files (/var/cache/dirmngr). */ + + char *config_filename; /* Name of a config file, which will be + reread on a HUP if it is not NULL. */ + + char *ldap_wrapper_program; /* Override value for the LDAP wrapper + program. */ + char *http_wrapper_program; /* Override value for the HTTP wrapper + program. */ + + int running_detached; /* We are running in detached mode. */ + int allow_version_check; /* --allow-version-check is active. */ + + int force; /* Force loading outdated CRLs. */ + + + unsigned int connect_timeout; /* Timeout for connect. */ + unsigned int connect_quick_timeout; /* Shorter timeout for connect. */ + + int disable_http; /* Do not use HTTP at all. */ + int disable_ldap; /* Do not use LDAP at all. */ + int disable_ipv4; /* Do not use legacy IP addresses. */ + int disable_ipv6; /* Do not use standard IP addresses. */ + int honor_http_proxy; /* Honor the http_proxy env variable. */ + const char *http_proxy; /* The default HTTP proxy. */ + const char *ldap_proxy; /* Use given LDAP proxy. */ + int only_ldap_proxy; /* Only use the LDAP proxy; no fallback. */ + int ignore_http_dp; /* Ignore HTTP CRL distribution points. */ + int ignore_ldap_dp; /* Ignore LDAP CRL distribution points. */ + int ignore_ocsp_service_url; /* Ignore OCSP service URLs as given in + the certificate. */ + + /* A list of fingerprints of certififcates we should completely + * ignore. These are all stored in binary format. */ + fingerprint_list_t ignored_certs; + + /* A list of certificate extension OIDs which are ignored so that + one can claim that a critical extension has been handled. One + OID per string. */ + strlist_t ignored_cert_extensions; + + /* Allow expired certificates in the cache. */ + int debug_cache_expired_certs; + + int allow_ocsp; /* Allow using OCSP. */ + + int max_replies; + unsigned int ldaptimeout; + + ldap_server_t ldapservers; + int add_new_ldapservers; + + const char *ocsp_responder; /* Standard OCSP responder's URL. */ + fingerprint_list_t ocsp_signer; /* The list of fingerprints with allowed + standard OCSP signer certificates. */ + + unsigned int ocsp_max_clock_skew; /* Allowed seconds of clocks skew. */ + unsigned int ocsp_max_period; /* Seconds a response is at maximum + considered valid after thisUpdate. */ + unsigned int ocsp_current_period; /* Seconds a response is considered + current after nextUpdate. */ + + strlist_t keyserver; /* List of default keyservers. */ +} opt; + + +#define DBG_X509_VALUE 1 /* debug x.509 parsing */ +#define DBG_CRYPTO_VALUE 4 /* debug low level crypto */ +#define DBG_DNS_VALUE 16 /* debug DNS calls. */ +#define DBG_MEMORY_VALUE 32 /* debug memory allocation stuff */ +#define DBG_CACHE_VALUE 64 /* debug the caching */ +#define DBG_MEMSTAT_VALUE 128 /* show memory statistics */ +#define DBG_HASHING_VALUE 512 /* debug hashing operations */ +#define DBG_IPC_VALUE 1024 /* debug assuan communication */ +#define DBG_NETWORK_VALUE 2048 /* debug network I/O. */ +#define DBG_LOOKUP_VALUE 8192 /* debug lookup details */ +#define DBG_EXTPROG_VALUE 16384 /* debug external program calls */ + +#define DBG_X509 (opt.debug & DBG_X509_VALUE) +#define DBG_CRYPTO (opt.debug & DBG_CRYPTO_VALUE) +#define DBG_DNS (opt.debug & DBG_DNS_VALUE) +#define DBG_MEMORY (opt.debug & DBG_MEMORY_VALUE) +#define DBG_CACHE (opt.debug & DBG_CACHE_VALUE) +#define DBG_HASHING (opt.debug & DBG_HASHING_VALUE) +#define DBG_IPC (opt.debug & DBG_IPC_VALUE) +#define DBG_NETWORK (opt.debug & DBG_NETWORK_VALUE) +#define DBG_LOOKUP (opt.debug & DBG_LOOKUP_VALUE) +#define DBG_EXTPROG (opt.debug & DBG_EXTPROG_VALUE) + +/* A simple list of certificate references. FIXME: Better use + certlist_t also for references (Store NULL at .cert) */ +struct cert_ref_s +{ + struct cert_ref_s *next; + unsigned char fpr[20]; +}; +typedef struct cert_ref_s *cert_ref_t; + +/* Forward reference; access only via ks-engine-ldap.c. */ +struct ks_engine_ldap_local_s; + +/* Forward reference; access only through server.c. */ +struct server_local_s; + +#if SIZEOF_UNSIGNED_LONG == 8 +# define SERVER_CONTROL_MAGIC 0x6469726d6e677220 +#else +# define SERVER_CONTROL_MAGIC 0x6469726d +#endif + +/* Connection control structure. */ +struct server_control_s +{ + unsigned long magic;/* Always has SERVER_CONTROL_MAGIC. */ + int refcount; /* Count additional references to this object. */ + int no_server; /* We are not running under server control. */ + int status_fd; /* Only for non-server mode. */ + struct server_local_s *server_local; + struct ks_engine_ldap_local_s *ks_get_state; + int force_crl_refresh; /* Always load a fresh CRL. */ + + int check_revocations_nest_level; /* Internal to check_revovations. */ + cert_ref_t ocsp_certs; /* Certificates from the current OCSP + response. */ + + int audit_events; /* Send audit events to client. */ + char *http_proxy; /* The used http_proxy or NULL. */ + + unsigned int timeout; /* Timeout for connect calls in ms. */ + + unsigned int http_no_crl:1; /* Do not check CRLs for https. */ +}; + + +/*-- dirmngr.c --*/ +void dirmngr_exit( int ); /* Wrapper for exit() */ +void dirmngr_init_default_ctrl (ctrl_t ctrl); +void dirmngr_deinit_default_ctrl (ctrl_t ctrl); +void dirmngr_sighup_action (void); +const char* dirmngr_get_current_socket_name (void); +int dirmngr_use_tor (void); +int dirmngr_never_use_tor_p (void); + +/*-- Various housekeeping functions. --*/ +void ks_hkp_housekeeping (time_t curtime); +void ks_hkp_reload (void); + + +/*-- server.c --*/ +ldap_server_t get_ldapservers_from_ctrl (ctrl_t ctrl); +ksba_cert_t get_cert_local (ctrl_t ctrl, const char *issuer); +ksba_cert_t get_issuing_cert_local (ctrl_t ctrl, const char *issuer); +ksba_cert_t get_cert_local_ski (ctrl_t ctrl, + const char *name, ksba_sexp_t keyid); +gpg_error_t get_istrusted_from_client (ctrl_t ctrl, const char *hexfpr); +int dirmngr_assuan_log_monitor (assuan_context_t ctx, unsigned int cat, + const char *msg); +void start_command_handler (gnupg_fd_t fd, unsigned int session_id); +gpg_error_t dirmngr_tick (ctrl_t ctrl); + +/* (See also dirmngr-status.h) */ + +/*-- http-ntbtls.c --*/ +/* Note that we don't use a callback for gnutls. */ + +gpg_error_t gnupg_http_tls_verify_cb (void *opaque, + http_t http, + http_session_t session, + unsigned int flags, + void *tls_context); + + +/*-- loadswdb.c --*/ +gpg_error_t dirmngr_load_swdb (ctrl_t ctrl, int force); + + +/*-- domaininfo.c --*/ +void domaininfo_print_stats (void); +int domaininfo_is_wkd_not_supported (const char *domain); +void domaininfo_set_no_name (const char *domain); +void domaininfo_set_wkd_supported (const char *domain); +void domaininfo_set_wkd_not_supported (const char *domain); +void domaininfo_set_wkd_not_found (const char *domain); + +/*-- workqueue.c --*/ +typedef const char *(*wqtask_t)(ctrl_t ctrl, const char *args); + +void workqueue_dump_queue (ctrl_t ctrl); +gpg_error_t workqueue_add_task (wqtask_t func, const char *args, + unsigned int session_id, int need_network); +void workqueue_run_global_tasks (ctrl_t ctrl, int with_network); +void workqueue_run_post_session_tasks (unsigned int session_id); + + + +#endif /*DIRMNGR_H*/ |