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/* gpgsm.h - Global definitions for GpgSM
* Copyright (C) 2001, 2003, 2004, 2007, 2009,
* 2010 Free Software Foundation, Inc.
*
* 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/>.
*/
#ifndef GPGSM_H
#define GPGSM_H
#ifdef GPG_ERR_SOURCE_DEFAULT
#error GPG_ERR_SOURCE_DEFAULT already defined
#endif
#define GPG_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_GPGSM
#include <gpg-error.h>
#include <ksba.h>
#include "../common/util.h"
#include "../common/status.h"
#include "../common/audit.h"
#include "../common/session-env.h"
#include "../common/ksba-io-support.h"
#include "../common/compliance.h"
#define MAX_DIGEST_LEN 64
/* 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 batch; /* run in batch mode, i.e w/o any user interaction */
int answer_yes; /* assume yes on most questions */
int answer_no; /* assume no on most questions */
int dry_run; /* don't change any persistent data */
int no_homedir_creation;
const char *config_filename; /* Name of the used config file. */
const char *agent_program;
session_env_t session_env;
char *lc_ctype;
char *lc_messages;
int autostart;
const char *dirmngr_program;
int disable_dirmngr; /* Do not do any dirmngr calls. */
const char *protect_tool_program;
char *outfile; /* name of output file */
int with_key_data;/* include raw key in the column delimted output */
int fingerprint; /* list fingerprints in all key listings */
int with_md5_fingerprint; /* Also print an MD5 fingerprint for
standard key listings. */
int with_keygrip; /* Option --with-keygrip active. */
int pinentry_mode;
int request_origin;
int armor; /* force base64 armoring (see also ctrl.with_base64) */
int no_armor; /* don't try to figure out whether data is base64 armored*/
const char *p12_charset; /* Use this charset for encoding the
pkcs#12 passphrase. */
const char *def_cipher_algoid; /* cipher algorithm to use if
nothing else is specified */
int def_compress_algo; /* Ditto for compress algorithm */
int forced_digest_algo; /* User forced hash algorithm. */
char *def_recipient; /* userID of the default recipient */
int def_recipient_self; /* The default recipient is the default key */
int no_encrypt_to; /* Ignore all as encrypt to marked recipients. */
char *local_user; /* NULL or argument to -u */
int extra_digest_algo; /* A digest algorithm also used for
verification of signatures. */
int skip_verify; /* do not check signatures on data */
int lock_once; /* Keep lock once they are set */
int ignore_time_conflict; /* Ignore certain time conflicts */
int no_crl_check; /* Don't do a CRL check */
int no_trusted_cert_crl_check; /* Don't run a CRL check for trusted certs. */
int force_crl_refresh; /* Force refreshing the CRL. */
int enable_issuer_based_crl_check; /* Backward compatibility hack. */
int enable_ocsp; /* Default to use OCSP checks. */
char *policy_file; /* full pathname of policy file */
int no_policy_check; /* ignore certificate policies */
int no_chain_validation; /* Bypass all cert chain validity tests */
int ignore_expiration; /* Ignore the notAfter validity checks. */
int auto_issuer_key_retrieve; /* try to retrieve a missing issuer key. */
int qualsig_approval; /* Set to true if this software has
officially been approved to create an
verify qualified signatures. This is a
runtime option in case we want to check
the integrity of the software at
runtime. */
unsigned int min_rsa_length; /* Used for compliance checks. */
strlist_t keyserver;
/* 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;
/* A list of OIDs which will be used to ignore certificates with
* sunch an OID during --learn-card. */
strlist_t ignore_cert_with_oid;
/* The current compliance mode. */
enum gnupg_compliance_mode compliance;
/* Fail if an operation can't be done in the requested compliance
* mode. */
int require_compliance;
/* Enable always-trust mode - note that there is also server option
* for this. */
int always_trust;
/* Compatibility flags (COMPAT_FLAG_xxxx). */
unsigned int compat_flags;
} opt;
/* Debug values and macros. */
#define DBG_X509_VALUE 1 /* debug x.509 data reading/writing */
#define DBG_MPI_VALUE 2 /* debug mpi details */
#define DBG_CRYPTO_VALUE 4 /* debug low level crypto */
#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_X509 (opt.debug & DBG_X509_VALUE)
#define DBG_CRYPTO (opt.debug & DBG_CRYPTO_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)
/* Compatibility flags */
/* Telesec RSA cards produced for NRW in 2022 came with only the
* keyAgreement bit set. This flag allows there use for encryption
* anyway. Example cert:
* Issuer: /CN=DOI CA 10a/OU=DOI/O=PKI-1-Verwaltung/C=DE
* key usage: digitalSignature nonRepudiation keyAgreement
* policies: 1.3.6.1.4.1.7924.1.1:N:
*/
#define COMPAT_ALLOW_KA_TO_ENCR 1
#define COMPAT_ALLOW_ECC_ENCR 2
/* Forward declaration for an object defined in server.c */
struct server_local_s;
/* Session control object. This object is passed down to most
functions. Note that the default values for it are set by
gpgsm_init_default_ctrl(). */
struct server_control_s
{
int no_server; /* We are not running under server control */
int status_fd; /* Only for non-server mode */
struct server_local_s *server_local;
audit_ctx_t audit; /* NULL or a context for the audit subsystem. */
int agent_seen; /* Flag indicating that the gpg-agent has been
accessed. */
int with_colons; /* Use column delimited output format */
int with_secret; /* Mark secret keys in a public key listing. */
int with_chain; /* Include the certifying certs in a listing */
int with_validation;/* Validate each key while listing. */
int with_ephemeral_keys; /* Include ephemeral flagged keys in the
keylisting. */
int autodetect_encoding; /* Try to detect the input encoding */
int is_pem; /* Is in PEM format */
int is_base64; /* is in plain base-64 format */
/* If > 0 a hint with the expected number of input data bytes. This
* is not necessary an exact number but intended to be used for
* progress info and to decide on how to allocate buffers. */
uint64_t input_size_hint;
int create_base64; /* Create base64 encoded output */
int create_pem; /* create PEM output */
const char *pem_name; /* PEM name to use */
int include_certs; /* -1 to send all certificates in the chain
along with a signature or the number of
certificates up the chain (0 = none, 1 = only
signer) */
int use_ocsp; /* Set to true if OCSP should be used. */
int validation_model; /* 0 := standard model (shell),
1 := chain model,
2 := STEED model. */
int offline; /* If true gpgsm won't do any network access. */
int always_trust; /* True in always-trust mode; see also
* opt.always-trust. */
/* The current time. Used as a helper in certchain.c. */
ksba_isotime_t current_time;
};
/* An object to keep a list of certificates. */
struct certlist_s
{
struct certlist_s *next;
ksba_cert_t cert;
int is_encrypt_to; /* True if the certificate has been set through
the --encrypto-to option. */
int pk_algo; /* The PK_ALGO from CERT or 0 if not yet known. */
int hash_algo; /* Used to track the hash algorithm to use. */
const char *hash_algo_oid; /* And the corresponding OID. */
};
typedef struct certlist_s *certlist_t;
/* A structure carrying information about trusted root certificates. */
struct rootca_flags_s
{
unsigned int valid:1; /* The rest of the structure has valid
information. */
unsigned int relax:1; /* Relax checking of root certificates. */
unsigned int chain_model:1; /* Root requires the use of the chain model. */
unsigned int qualified:1; /* Root CA used for qualfied signatures. */
};
/*-- gpgsm.c --*/
extern int gpgsm_errors_seen;
void gpgsm_exit (int rc);
void gpgsm_init_default_ctrl (struct server_control_s *ctrl);
int gpgsm_parse_validation_model (const char *model);
/*-- server.c --*/
void gpgsm_server (certlist_t default_recplist);
gpg_error_t gpgsm_status (ctrl_t ctrl, int no, const char *text);
gpg_error_t gpgsm_status2 (ctrl_t ctrl, int no, ...) GPGRT_ATTR_SENTINEL(0);
gpg_error_t gpgsm_status_with_err_code (ctrl_t ctrl, int no, const char *text,
gpg_err_code_t ec);
gpg_error_t gpgsm_status_with_error (ctrl_t ctrl, int no, const char *text,
gpg_error_t err);
gpg_error_t gpgsm_progress_cb (ctrl_t ctrl, uint64_t current, uint64_t total);
gpg_error_t gpgsm_proxy_pinentry_notify (ctrl_t ctrl,
const unsigned char *line);
/*-- fingerprint --*/
unsigned char *gpgsm_get_fingerprint (ksba_cert_t cert, int algo,
unsigned char *array, int *r_len);
char *gpgsm_get_fingerprint_string (ksba_cert_t cert, int algo);
char *gpgsm_get_fingerprint_hexstring (ksba_cert_t cert, int algo);
unsigned long gpgsm_get_short_fingerprint (ksba_cert_t cert,
unsigned long *r_high);
unsigned char *gpgsm_get_keygrip (ksba_cert_t cert, unsigned char *array);
char *gpgsm_get_keygrip_hexstring (ksba_cert_t cert);
int gpgsm_get_key_algo_info (ksba_cert_t cert, unsigned int *nbits);
int gpgsm_get_key_algo_info2 (ksba_cert_t cert, unsigned int *nbits,
char **r_curve);
int gpgsm_is_ecc_key (ksba_cert_t cert);
char *gpgsm_pubkey_algo_string (ksba_cert_t cert, int *r_algoid);
char *gpgsm_get_certid (ksba_cert_t cert);
/*-- certdump.c --*/
void gpgsm_print_serial (estream_t fp, ksba_const_sexp_t p);
void gpgsm_print_serial_decimal (estream_t fp, ksba_const_sexp_t sn);
void gpgsm_print_time (estream_t fp, ksba_isotime_t t);
void gpgsm_print_name2 (FILE *fp, const char *string, int translate);
void gpgsm_print_name (FILE *fp, const char *string);
void gpgsm_es_print_name (estream_t fp, const char *string);
void gpgsm_es_print_name2 (estream_t fp, const char *string, int translate);
void gpgsm_cert_log_name (const char *text, ksba_cert_t cert);
void gpgsm_dump_cert (const char *text, ksba_cert_t cert);
void gpgsm_dump_serial (ksba_const_sexp_t p);
void gpgsm_dump_time (ksba_isotime_t t);
void gpgsm_dump_string (const char *string);
char *gpgsm_format_serial (ksba_const_sexp_t p);
char *gpgsm_format_name2 (const char *name, int translate);
char *gpgsm_format_name (const char *name);
char *gpgsm_format_sn_issuer (ksba_sexp_t sn, const char *issuer);
char *gpgsm_fpr_and_name_for_status (ksba_cert_t cert);
char *gpgsm_format_keydesc (ksba_cert_t cert);
/*-- certcheck.c --*/
int gpgsm_check_cert_sig (ksba_cert_t issuer_cert, ksba_cert_t cert);
int gpgsm_check_cms_signature (ksba_cert_t cert, gcry_sexp_t sigval,
gcry_md_hd_t md,
int hash_algo, unsigned int pkalgoflags,
int *r_pkalgo);
/* fixme: move create functions to another file */
int gpgsm_create_cms_signature (ctrl_t ctrl,
ksba_cert_t cert, gcry_md_hd_t md, int mdalgo,
unsigned char **r_sigval);
/*-- certchain.c --*/
/* Flags used with gpgsm_validate_chain. */
#define VALIDATE_FLAG_NO_DIRMNGR 1
#define VALIDATE_FLAG_CHAIN_MODEL 2
#define VALIDATE_FLAG_STEED 4
#define VALIDATE_FLAG_BYPASS 8 /* No actual validation. */
int gpgsm_walk_cert_chain (ctrl_t ctrl,
ksba_cert_t start, ksba_cert_t *r_next);
int gpgsm_is_root_cert (ksba_cert_t cert);
int gpgsm_validate_chain (ctrl_t ctrl, ksba_cert_t cert,
ksba_isotime_t checktime,
ksba_isotime_t r_exptime,
int listmode, estream_t listfp,
unsigned int flags, unsigned int *retflags);
int gpgsm_basic_cert_check (ctrl_t ctrl, ksba_cert_t cert);
/*-- certlist.c --*/
int gpgsm_cert_use_sign_p (ksba_cert_t cert, int silent);
int gpgsm_cert_use_encrypt_p (ksba_cert_t cert);
int gpgsm_cert_use_verify_p (ksba_cert_t cert);
int gpgsm_cert_use_decrypt_p (ksba_cert_t cert);
int gpgsm_cert_use_cert_p (ksba_cert_t cert);
int gpgsm_cert_use_ocsp_p (ksba_cert_t cert);
int gpgsm_cert_has_well_known_private_key (ksba_cert_t cert);
int gpgsm_certs_identical_p (ksba_cert_t cert_a, ksba_cert_t cert_b);
int gpgsm_add_cert_to_certlist (ctrl_t ctrl, ksba_cert_t cert,
certlist_t *listaddr, int is_encrypt_to);
int gpgsm_add_to_certlist (ctrl_t ctrl, const char *name, int secret,
certlist_t *listaddr, int is_encrypt_to);
void gpgsm_release_certlist (certlist_t list);
#define FIND_CERT_ALLOW_AMBIG 1
#define FIND_CERT_WITH_EPHEM 2
int gpgsm_find_cert (ctrl_t ctrl, const char *name, ksba_sexp_t keyid,
ksba_cert_t *r_cert, unsigned int flags);
/*-- keylist.c --*/
gpg_error_t gpgsm_list_keys (ctrl_t ctrl, strlist_t names,
estream_t fp, unsigned int mode);
/*-- import.c --*/
int gpgsm_import (ctrl_t ctrl, int in_fd, int reimport_mode);
int gpgsm_import_files (ctrl_t ctrl, int nfiles, char **files,
int (*of)(const char *fname));
/*-- export.c --*/
void gpgsm_export (ctrl_t ctrl, strlist_t names, estream_t stream);
void gpgsm_p12_export (ctrl_t ctrl, const char *name, estream_t stream,
int rawmode);
/*-- delete.c --*/
int gpgsm_delete (ctrl_t ctrl, strlist_t names);
/*-- verify.c --*/
int gpgsm_verify (ctrl_t ctrl, int in_fd, int data_fd, estream_t out_fp);
/*-- sign.c --*/
int gpgsm_get_default_cert (ctrl_t ctrl, ksba_cert_t *r_cert);
int gpgsm_sign (ctrl_t ctrl, certlist_t signerlist,
int data_fd, int detached, estream_t out_fp);
/*-- encrypt.c --*/
int gpgsm_encrypt (ctrl_t ctrl, certlist_t recplist,
int in_fd, estream_t out_fp);
/*-- decrypt.c --*/
gpg_error_t hash_ecc_cms_shared_info (gcry_md_hd_t hash_hd,
const char *wrap_algo_str,
unsigned int keylen,
const void *ukm, unsigned int ukmlen);
int gpgsm_decrypt (ctrl_t ctrl, int in_fd, estream_t out_fp);
/*-- certreqgen.c --*/
int gpgsm_genkey (ctrl_t ctrl, estream_t in_stream, estream_t out_stream);
/*-- certreqgen-ui.c --*/
void gpgsm_gencertreq_tty (ctrl_t ctrl, estream_t out_stream);
/*-- qualified.c --*/
gpg_error_t gpgsm_is_in_qualified_list (ctrl_t ctrl, ksba_cert_t cert,
char *country);
gpg_error_t gpgsm_qualified_consent (ctrl_t ctrl, ksba_cert_t cert);
gpg_error_t gpgsm_not_qualified_warning (ctrl_t ctrl, ksba_cert_t cert);
/*-- call-agent.c --*/
int gpgsm_agent_pksign (ctrl_t ctrl, const char *keygrip, const char *desc,
unsigned char *digest,
size_t digestlen,
int digestalgo,
unsigned char **r_buf, size_t *r_buflen);
int gpgsm_scd_pksign (ctrl_t ctrl, const char *keyid, const char *desc,
unsigned char *digest, size_t digestlen, int digestalgo,
unsigned char **r_buf, size_t *r_buflen);
int gpgsm_agent_pkdecrypt (ctrl_t ctrl, const char *keygrip, const char *desc,
ksba_const_sexp_t ciphertext,
char **r_buf, size_t *r_buflen);
int gpgsm_agent_genkey (ctrl_t ctrl,
ksba_const_sexp_t keyparms, ksba_sexp_t *r_pubkey);
int gpgsm_agent_readkey (ctrl_t ctrl, int fromcard, const char *hexkeygrip,
ksba_sexp_t *r_pubkey);
int gpgsm_agent_scd_serialno (ctrl_t ctrl, char **r_serialno);
int gpgsm_agent_scd_keypairinfo (ctrl_t ctrl, strlist_t *r_list);
int gpgsm_agent_istrusted (ctrl_t ctrl, ksba_cert_t cert, const char *hexfpr,
struct rootca_flags_s *rootca_flags);
int gpgsm_agent_havekey (ctrl_t ctrl, const char *hexkeygrip);
int gpgsm_agent_marktrusted (ctrl_t ctrl, ksba_cert_t cert);
int gpgsm_agent_learn (ctrl_t ctrl);
int gpgsm_agent_passwd (ctrl_t ctrl, const char *hexkeygrip, const char *desc);
gpg_error_t gpgsm_agent_get_confirmation (ctrl_t ctrl, const char *desc);
gpg_error_t gpgsm_agent_send_nop (ctrl_t ctrl);
gpg_error_t gpgsm_agent_keyinfo (ctrl_t ctrl, const char *hexkeygrip,
char **r_serialno);
gpg_error_t gpgsm_agent_ask_passphrase (ctrl_t ctrl, const char *desc_msg,
int repeat, char **r_passphrase);
gpg_error_t gpgsm_agent_keywrap_key (ctrl_t ctrl, int forexport,
void **r_kek, size_t *r_keklen);
gpg_error_t gpgsm_agent_import_key (ctrl_t ctrl,
const void *key, size_t keylen);
gpg_error_t gpgsm_agent_export_key (ctrl_t ctrl, const char *keygrip,
const char *desc,
unsigned char **r_result,
size_t *r_resultlen);
/*-- call-dirmngr.c --*/
int gpgsm_dirmngr_isvalid (ctrl_t ctrl,
ksba_cert_t cert, ksba_cert_t issuer_cert,
int use_ocsp);
int gpgsm_dirmngr_lookup (ctrl_t ctrl, strlist_t names, const char *uri,
int cache_only,
void (*cb)(void*, ksba_cert_t), void *cb_value);
int gpgsm_dirmngr_run_command (ctrl_t ctrl, const char *command,
int argc, char **argv);
/*-- misc.c --*/
void setup_pinentry_env (void);
gpg_error_t transform_sigval (const unsigned char *sigval, size_t sigvallen,
int mdalgo,
unsigned char **r_newsigval,
size_t *r_newsigvallen);
gcry_sexp_t gpgsm_ksba_cms_get_sig_val (ksba_cms_t cms, int idx);
int gpgsm_get_hash_algo_from_sigval (gcry_sexp_t sigval,
unsigned int *r_pkalgo_flags);
#endif /*GPGSM_H*/

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