1 /* audit.h - Definitions for the audit subsystem
2 * Copyright (C) 2007 Free Software Foundation, Inc.
4 * This file is part of GnuPG.
6 * GnuPG is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * GnuPG is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <https://www.gnu.org/licenses/>.
20 #ifndef GNUPG_COMMON_AUDIT_H
21 #define GNUPG_COMMON_AUDIT_H
26 typedef struct audit_ctx_s *audit_ctx_t;
28 /* Constants for the audit type. */
31 AUDIT_TYPE_NONE = 0, /* No type set. */
32 AUDIT_TYPE_ENCRYPT, /* Data encryption. */
33 AUDIT_TYPE_SIGN, /* Signature creation. */
34 AUDIT_TYPE_DECRYPT, /* Data decryption. */
35 AUDIT_TYPE_VERIFY /* Signature verification. */
39 /* The events we support. */
43 /* No such event. Its value shall be 0 and no other values shall
44 be assigned to the other enum symbols. This is required so
45 that the exaudit.awk script comes up with correct values
46 without running cc. */
49 /* All preparations done so that the actual processing can start
50 now. This indicates that all parameters are okay and we can
51 start to process the actual data. */
53 AUDIT_AGENT_READY, /* err */
54 /* Indicates whether the gpg-agent is available. For some
55 operations the agent is not required and thus no such event
58 AUDIT_DIRMNGR_READY, /* err */
59 /* Indicates whether the Dirmngr is available. For some
60 operations the Dirmngr is not required and thus no such event
63 AUDIT_GPG_READY, /* err */
64 /* Indicates whether the Gpg engine is available. */
66 AUDIT_GPGSM_READY, /* err */
67 /* Indicates whether the Gpgsm engine is available. */
69 AUDIT_G13_READY, /* err */
70 /* Indicates whether the G13 engine is available. */
73 /* Data to be processed has been seen. */
75 AUDIT_DETACHED_SIGNATURE,
76 /* The signature is a detached one. */
79 /* A certifciate only signature has been detected. */
81 AUDIT_DATA_HASH_ALGO, /* int */
82 /* The hash algo given as argument is used for the data. This
83 event will be repeated for all hash algorithms used with the
86 AUDIT_ATTR_HASH_ALGO, /* int */
87 /* The hash algo given as argument is used to hash the message
88 digest and other signed attributes of this signature. */
90 AUDIT_DATA_CIPHER_ALGO, /* int */
91 /* The cipher algo given as argument is used for this data. */
93 AUDIT_BAD_DATA_HASH_ALGO, /* string */
94 /* The hash algo as specified by the signature can't be used.
95 STRING is the description of this algorithm which usually is an
96 OID string. STRING may be NULL. */
98 AUDIT_BAD_DATA_CIPHER_ALGO, /* string */
99 /* The symmetric cipher algorithm is not supported. STRING is the
100 description of this algorithm which usually is an OID string.
101 STRING may be NULL. */
103 AUDIT_DATA_HASHING, /* ok_err */
104 /* Logs the result of the data hashing. */
106 AUDIT_READ_ERROR, /* ok_err */
107 /* A generic read error occurred. */
109 AUDIT_WRITE_ERROR, /* ok_err */
110 /* A generic write error occurred. */
113 /* The program was used in an inappropriate way; For example by
114 passing a data object while the signature does not expect one
117 AUDIT_SAVE_CERT, /* cert, ok_err */
118 /* Save the certificate received in a message. */
120 AUDIT_NEW_SIG, /* int */
121 /* Start the verification of a new signature for the last data
122 object. The argument is the signature number as used
123 internally by the program. */
125 AUDIT_SIG_NAME, /* string */
126 /* The name of a signer. This is the name or other identification
127 data as known from the signature and not the name from the
128 certificate used for verification. An example for STRING when
129 using CMS is: "#1234/CN=Prostetnic Vogon Jeltz". */
131 AUDIT_SIG_STATUS, /* string */
132 /* The signature status of the current signer. This is the last
133 audit information for one signature. STRING gives the status:
135 "error" - there was a problem checking this or any signature.
136 "unsupported" - the signature type is not supported.
137 "no-cert" - The certificate of the signer was not found (the
138 S/N+issuer of the signer is already in the log).
139 "bad" - bad signature
140 "good" - good signature
143 AUDIT_NEW_RECP, /* int */
144 /* A new recipient has been seen during decryption. The argument
145 is the recipient number as used internally by the program. */
147 AUDIT_RECP_NAME, /* string */
148 /* The name of a recipient. This is the name or other identification
149 data as known from the decryption and not the name from the
150 certificate used for decryption. An example for STRING when
151 using CMS is: "#1234/CN=Prostetnic Vogon Jeltz". */
153 AUDIT_RECP_RESULT, /* ok_err */
154 /* The status of the session key decryption. This is only written
155 for recipients tried. */
157 AUDIT_DECRYPTION_RESULT, /* ok_err */
158 /* The status of the entire decryption. The decryption was
159 successful if the error code is 0. */
161 AUDIT_VALIDATE_CHAIN,
162 /* Start the validation of a certificate chain. */
165 AUDIT_CHAIN_CERT, /* cert */
166 AUDIT_CHAIN_ROOTCERT,/* cert */
168 /* These 4 events are used to log the certificates making up a
169 certificate chain. ROOTCERT is used for the trustanchor and
170 CERT for all other certificates. */
172 AUDIT_CHAIN_STATUS, /* err */
173 /* Tells the final status of the chain validation. */
175 AUDIT_ROOT_TRUSTED, /* cert, err */
176 /* Tells whether the root certificate is trusted. This event is
177 emitted during chain validation. */
179 AUDIT_CRL_CHECK, /* err */
180 /* Tells the status of a CRL or OCSP check. */
182 AUDIT_GOT_RECIPIENTS, /* int */
183 /* Records the number of recipients to be used for encryption.
184 This includes the recipients set by --encrypt-to but records 0
185 if no real recipient has been given. */
187 AUDIT_SESSION_KEY, /* string */
188 /* Mark the creation or availibility of the session key. The
189 parameter is the algorithm ID. */
191 AUDIT_ENCRYPTED_TO, /* cert, err */
192 /* Records the certificate used for encryption and whether the
193 session key could be encrypted to it (err==0). */
195 AUDIT_ENCRYPTION_DONE,
196 /* Encryption succeeded. */
198 AUDIT_SIGNED_BY, /* cert, err */
199 /* Records the certificate used for signed and whether the signure
200 could be created (if err==0). */
203 /* Signing succeeded. */
206 AUDIT_LAST_EVENT /* Marker for parsing this list. */
211 audit_ctx_t audit_new (void);
212 void audit_release (audit_ctx_t ctx);
213 void audit_set_type (audit_ctx_t ctx, audit_type_t type);
214 void audit_log (audit_ctx_t ctx, audit_event_t event);
215 void audit_log_ok (audit_ctx_t ctx, audit_event_t event, gpg_error_t err);
216 void audit_log_i (audit_ctx_t ctx, audit_event_t event, int value);
217 void audit_log_s (audit_ctx_t ctx, audit_event_t event, const char *value);
218 void audit_log_cert (audit_ctx_t ctx, audit_event_t event,
219 ksba_cert_t cert, gpg_error_t err);
221 void audit_print_result (audit_ctx_t ctx, estream_t stream, int use_html);
225 #endif /*GNUPG_COMMON_AUDIT_H*/