1 /* dirmngr.h - Common definitions for the dirmngr
2 * Copyright (C) 2002 Klarälvdalens Datakonsult AB
3 * Copyright (C) 2004, 2015 g10 Code GmbH
4 * Copyright (C) 2014 Werner Koch
6 * This file is part of GnuPG.
8 * GnuPG is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * GnuPG is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, see <https://www.gnu.org/licenses/>.
25 #include "./dirmngr-err.h"
26 #define map_assuan_err(a) \
27 map_assuan_err_with_source (GPG_ERR_SOURCE_DEFAULT, (a))
32 #include "../common/util.h"
33 #include "../common/membuf.h"
34 #include "../common/sysutils.h" /* (gnupg_fd_t) */
35 #include "../common/asshelp.h" /* (assuan_context_t) */
36 #include "../common/i18n.h"
37 #include "http.h" /* (parsed_uri_t) */
39 /* This objects keeps information about a particular LDAP server and
40 is used as item of a single linked list of servers. */
43 struct ldap_server_s* next;
51 typedef struct ldap_server_s *ldap_server_t;
54 /* This objects is used to build a list of URI consisting of the
55 original and the parsed URI. */
58 struct uri_item_s *next;
59 parsed_uri_t parsed_uri; /* The broken down URI. */
60 char uri[1]; /* The original URI. */
62 typedef struct uri_item_s *uri_item_t;
65 /* A list of fingerprints. */
66 struct fingerprint_list_s;
67 typedef struct fingerprint_list_s *fingerprint_list_t;
68 struct fingerprint_list_s
70 fingerprint_list_t next;
75 /* A large struct named "opt" to keep global flags. */
78 unsigned int debug; /* debug flags (DBG_foo_VALUE) */
79 int verbose; /* verbosity level */
80 int quiet; /* be as quiet as possible */
81 int dry_run; /* don't change any persistent data */
82 int batch; /* batch mode */
83 const char *homedir_cache; /* Dir for cache files (/var/cache/dirmngr). */
85 char *config_filename; /* Name of a config file, which will be
86 reread on a HUP if it is not NULL. */
88 char *ldap_wrapper_program; /* Override value for the LDAP wrapper
90 char *http_wrapper_program; /* Override value for the HTTP wrapper
93 int running_detached; /* We are running in detached mode. */
94 int allow_version_check; /* --allow-version-check is active. */
96 int force; /* Force loading outdated CRLs. */
99 unsigned int connect_timeout; /* Timeout for connect. */
100 unsigned int connect_quick_timeout; /* Shorter timeout for connect. */
102 int disable_http; /* Do not use HTTP at all. */
103 int disable_ldap; /* Do not use LDAP at all. */
104 int disable_ipv4; /* Do not use legacy IP addresses. */
105 int disable_ipv6; /* Do not use standard IP addresses. */
106 int honor_http_proxy; /* Honor the http_proxy env variable. */
107 const char *http_proxy; /* The default HTTP proxy. */
108 const char *ldap_proxy; /* Use given LDAP proxy. */
109 int only_ldap_proxy; /* Only use the LDAP proxy; no fallback. */
110 int ignore_http_dp; /* Ignore HTTP CRL distribution points. */
111 int ignore_ldap_dp; /* Ignore LDAP CRL distribution points. */
112 int ignore_ocsp_service_url; /* Ignore OCSP service URLs as given in
115 /* A list of certificate extension OIDs which are ignored so that
116 one can claim that a critical extension has been handled. One
118 strlist_t ignored_cert_extensions;
120 int allow_ocsp; /* Allow using OCSP. */
123 unsigned int ldaptimeout;
125 ldap_server_t ldapservers;
126 int add_new_ldapservers;
128 const char *ocsp_responder; /* Standard OCSP responder's URL. */
129 fingerprint_list_t ocsp_signer; /* The list of fingerprints with allowed
130 standard OCSP signer certificates. */
132 unsigned int ocsp_max_clock_skew; /* Allowed seconds of clocks skew. */
133 unsigned int ocsp_max_period; /* Seconds a response is at maximum
134 considered valid after thisUpdate. */
135 unsigned int ocsp_current_period; /* Seconds a response is considered
136 current after nextUpdate. */
138 strlist_t keyserver; /* List of default keyservers. */
142 #define DBG_X509_VALUE 1 /* debug x.509 parsing */
143 #define DBG_CRYPTO_VALUE 4 /* debug low level crypto */
144 #define DBG_DNS_VALUE 16 /* debug DNS calls. */
145 #define DBG_MEMORY_VALUE 32 /* debug memory allocation stuff */
146 #define DBG_CACHE_VALUE 64 /* debug the caching */
147 #define DBG_MEMSTAT_VALUE 128 /* show memory statistics */
148 #define DBG_HASHING_VALUE 512 /* debug hashing operations */
149 #define DBG_IPC_VALUE 1024 /* debug assuan communication */
150 #define DBG_NETWORK_VALUE 2048 /* debug network I/O. */
151 #define DBG_LOOKUP_VALUE 8192 /* debug lookup details */
152 #define DBG_EXTPROG_VALUE 16384 /* debug external program calls */
154 #define DBG_X509 (opt.debug & DBG_X509_VALUE)
155 #define DBG_CRYPTO (opt.debug & DBG_CRYPTO_VALUE)
156 #define DBG_DNS (opt.debug & DBG_DNS_VALUE)
157 #define DBG_MEMORY (opt.debug & DBG_MEMORY_VALUE)
158 #define DBG_CACHE (opt.debug & DBG_CACHE_VALUE)
159 #define DBG_HASHING (opt.debug & DBG_HASHING_VALUE)
160 #define DBG_IPC (opt.debug & DBG_IPC_VALUE)
161 #define DBG_NETWORK (opt.debug & DBG_NETWORK_VALUE)
162 #define DBG_LOOKUP (opt.debug & DBG_LOOKUP_VALUE)
163 #define DBG_EXTPROG (opt.debug & DBG_EXTPROG_VALUE)
165 /* A simple list of certificate references. FIXME: Better use
166 certlist_t also for references (Store NULL at .cert) */
169 struct cert_ref_s *next;
170 unsigned char fpr[20];
172 typedef struct cert_ref_s *cert_ref_t;
175 /* Forward references; access only through server.c. */
176 struct server_local_s;
178 #if SIZEOF_UNSIGNED_LONG == 8
179 # define SERVER_CONTROL_MAGIC 0x6469726d6e677220
181 # define SERVER_CONTROL_MAGIC 0x6469726d
184 /* Connection control structure. */
185 struct server_control_s
187 unsigned long magic;/* Always has SERVER_CONTROL_MAGIC. */
188 int refcount; /* Count additional references to this object. */
189 int no_server; /* We are not running under server control. */
190 int status_fd; /* Only for non-server mode. */
191 struct server_local_s *server_local;
192 int force_crl_refresh; /* Always load a fresh CRL. */
194 int check_revocations_nest_level; /* Internal to check_revovations. */
195 cert_ref_t ocsp_certs; /* Certificates from the current OCSP
198 int audit_events; /* Send audit events to client. */
199 char *http_proxy; /* The used http_proxy or NULL. */
201 unsigned int timeout; /* Timeout for connect calls in ms. */
203 unsigned int http_no_crl:1; /* Do not check CRLs for https. */
208 void dirmngr_exit( int ); /* Wrapper for exit() */
209 void dirmngr_init_default_ctrl (ctrl_t ctrl);
210 void dirmngr_deinit_default_ctrl (ctrl_t ctrl);
211 void dirmngr_sighup_action (void);
212 const char* dirmngr_get_current_socket_name (void);
213 int dirmngr_use_tor (void);
215 /*-- Various housekeeping functions. --*/
216 void ks_hkp_housekeeping (time_t curtime);
217 void ks_hkp_reload (void);
221 ldap_server_t get_ldapservers_from_ctrl (ctrl_t ctrl);
222 ksba_cert_t get_cert_local (ctrl_t ctrl, const char *issuer);
223 ksba_cert_t get_issuing_cert_local (ctrl_t ctrl, const char *issuer);
224 ksba_cert_t get_cert_local_ski (ctrl_t ctrl,
225 const char *name, ksba_sexp_t keyid);
226 gpg_error_t get_istrusted_from_client (ctrl_t ctrl, const char *hexfpr);
227 int dirmngr_assuan_log_monitor (assuan_context_t ctx, unsigned int cat,
229 void start_command_handler (gnupg_fd_t fd);
230 gpg_error_t dirmngr_status (ctrl_t ctrl, const char *keyword, ...);
231 gpg_error_t dirmngr_status_help (ctrl_t ctrl, const char *text);
232 gpg_error_t dirmngr_status_printf (ctrl_t ctrl, const char *keyword,
234 ...) GPGRT_ATTR_PRINTF(3,4);
235 gpg_error_t dirmngr_tick (ctrl_t ctrl);
237 /*-- http-ntbtls.c --*/
238 /* Note that we don't use a callback for gnutls. */
240 gpg_error_t gnupg_http_tls_verify_cb (void *opaque,
242 http_session_t session,
248 gpg_error_t dirmngr_load_swdb (ctrl_t ctrl, int force);