ClamAV 1.0.3
ClamAV open source email, web, and end-point anti-virus toolkit.
clamav.h
1/*
2 * Copyright (C) 2013-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
3 * Copyright (C) 2007-2013 Sourcefire, Inc.
4 *
5 * Authors: Tomasz Kojm
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This program 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.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21
22#ifndef __CLAMAV_H
23#define __CLAMAV_H
24
25#ifdef _WIN32
26#ifndef OWN_WINSOCK
27#include <winsock2.h>
28#endif
29#endif
30
31#include <openssl/ssl.h>
32#include <openssl/err.h>
33
34/* Certain OSs already use 64bit variables in their stat struct */
35#if (!defined(__FreeBSD__) && !defined(__APPLE__))
36#define STAT64_OK 1
37#else
38#define STAT64_OK 0
39#endif
40
41#if defined(HAVE_STAT64) && STAT64_OK
42
43#include <unistd.h>
44
45#define STATBUF struct stat64
46#define CLAMSTAT stat64
47#define LSTAT lstat64
48#define FSTAT fstat64
49#define safe_open(a, b) open(a, b | O_LARGEFILE)
50
51#else
52
53#define STATBUF struct stat
54#define CLAMSTAT stat
55#define LSTAT lstat
56#define FSTAT fstat
57/* Nothing is safe in windows, not even open, safe_open defined under /win32 */
58#ifndef _WIN32
59#define safe_open open
60#endif
61
62#endif
63
64#define UNUSEDPARAM(x) (void)(x)
65
66#include <sys/types.h>
67#include <sys/stat.h>
68#include <stdbool.h>
69
70#include "clamav-types.h"
71#include "clamav-version.h"
72
73#ifdef __cplusplus
74extern "C" {
75#endif
76
77#define CL_COUNT_PRECISION 4096
78
79/* return codes */
80typedef enum cl_error_t {
81 /* libclamav specific */
82 CL_CLEAN = 0,
83 CL_SUCCESS = 0,
84 CL_VIRUS,
85 CL_ENULLARG,
86 CL_EARG,
87 CL_EMALFDB,
88 CL_ECVD,
89 CL_EVERIFY,
90 CL_EUNPACK,
91
92 /* I/O and memory errors */
93 CL_EOPEN,
94 CL_ECREAT,
95 CL_EUNLINK,
96 CL_ESTAT,
97 CL_EREAD,
98 CL_ESEEK,
99 CL_EWRITE,
100 CL_EDUP,
101 CL_EACCES,
102 CL_ETMPFILE,
103 CL_ETMPDIR,
104 CL_EMAP,
105 CL_EMEM,
106 CL_ETIMEOUT,
107
108 /* internal (not reported outside libclamav) */
109 CL_BREAK,
110 CL_EMAXREC,
111 CL_EMAXSIZE,
112 CL_EMAXFILES,
113 CL_EFORMAT,
114 CL_EPARSE,
115 CL_EBYTECODE, /* may be reported in testmode */
116 CL_EBYTECODE_TESTFAIL, /* may be reported in testmode */
117
118 /* c4w error codes */
119 CL_ELOCK,
120 CL_EBUSY,
121 CL_ESTATE,
122
123 CL_VERIFIED, /* The binary has been deemed trusted */
124 CL_ERROR, /* Unspecified / generic error */
125
126 /* no error codes below this line please */
127 CL_ELAST_ERROR
128} cl_error_t;
129
130/* db options */
131// clang-format off
132#define CL_DB_PHISHING 0x2
133#define CL_DB_PHISHING_URLS 0x8
134#define CL_DB_PUA 0x10
135#define CL_DB_CVDNOTMP 0x20 /* obsolete */
136#define CL_DB_OFFICIAL 0x40 /* internal */
137#define CL_DB_PUA_MODE 0x80
138#define CL_DB_PUA_INCLUDE 0x100
139#define CL_DB_PUA_EXCLUDE 0x200
140#define CL_DB_COMPILED 0x400 /* internal */
141#define CL_DB_DIRECTORY 0x800 /* internal */
142#define CL_DB_OFFICIAL_ONLY 0x1000
143#define CL_DB_BYTECODE 0x2000
144#define CL_DB_SIGNED 0x4000 /* internal */
145#define CL_DB_BYTECODE_UNSIGNED 0x8000 /* Caution: You should never run bytecode signatures from untrusted sources. Doing so may result in arbitrary code execution. */
146#define CL_DB_UNSIGNED 0x10000 /* internal */
147#define CL_DB_BYTECODE_STATS 0x20000
148#define CL_DB_ENHANCED 0x40000
149#define CL_DB_PCRE_STATS 0x80000
150#define CL_DB_YARA_EXCLUDE 0x100000
151#define CL_DB_YARA_ONLY 0x200000
152
153/* recommended db settings */
154#define CL_DB_STDOPT (CL_DB_PHISHING | CL_DB_PHISHING_URLS | CL_DB_BYTECODE)
155
156/*** scan options ***/
158 uint32_t general;
159 uint32_t parse;
160 uint32_t heuristic;
161 uint32_t mail;
162 uint32_t dev;
163};
164
165/* general */
166#define CL_SCAN_GENERAL_ALLMATCHES 0x1 /* scan in all-match mode */
167#define CL_SCAN_GENERAL_COLLECT_METADATA 0x2 /* collect metadata (--gen-json) */
168#define CL_SCAN_GENERAL_HEURISTICS 0x4 /* option to enable heuristic alerts */
169#define CL_SCAN_GENERAL_HEURISTIC_PRECEDENCE 0x8 /* allow heuristic match to take precedence. */
170#define CL_SCAN_GENERAL_UNPRIVILEGED 0x10 /* scanner will not have read access to files. */
171
172/* parsing capabilities options */
173#define CL_SCAN_PARSE_ARCHIVE 0x1
174#define CL_SCAN_PARSE_ELF 0x2
175#define CL_SCAN_PARSE_PDF 0x4
176#define CL_SCAN_PARSE_SWF 0x8
177#define CL_SCAN_PARSE_HWP3 0x10
178#define CL_SCAN_PARSE_XMLDOCS 0x20
179#define CL_SCAN_PARSE_MAIL 0x40
180#define CL_SCAN_PARSE_OLE2 0x80
181#define CL_SCAN_PARSE_HTML 0x100
182#define CL_SCAN_PARSE_PE 0x200
183
184/* heuristic alerting options */
185#define CL_SCAN_HEURISTIC_BROKEN 0x2 /* alert on broken PE and broken ELF files */
186#define CL_SCAN_HEURISTIC_EXCEEDS_MAX 0x4 /* alert when files exceed scan limits (filesize, max scansize, or max recursion depth) */
187#define CL_SCAN_HEURISTIC_PHISHING_SSL_MISMATCH 0x8 /* alert on SSL mismatches */
188#define CL_SCAN_HEURISTIC_PHISHING_CLOAK 0x10 /* alert on cloaked URLs in emails */
189#define CL_SCAN_HEURISTIC_MACROS 0x20 /* alert on OLE2 files containing macros */
190#define CL_SCAN_HEURISTIC_ENCRYPTED_ARCHIVE 0x40 /* alert if archive is encrypted (rar, zip, etc) */
191#define CL_SCAN_HEURISTIC_ENCRYPTED_DOC 0x80 /* alert if a document is encrypted (pdf, docx, etc) */
192#define CL_SCAN_HEURISTIC_PARTITION_INTXN 0x100 /* alert if partition table size doesn't make sense */
193#define CL_SCAN_HEURISTIC_STRUCTURED 0x200 /* data loss prevention options, i.e. alert when detecting personal information */
194#define CL_SCAN_HEURISTIC_STRUCTURED_SSN_NORMAL 0x400 /* alert when detecting social security numbers */
195#define CL_SCAN_HEURISTIC_STRUCTURED_SSN_STRIPPED 0x800 /* alert when detecting stripped social security numbers */
196#define CL_SCAN_HEURISTIC_STRUCTURED_CC 0x1000 /* alert when detecting credit card numbers */
197#define CL_SCAN_HEURISTIC_BROKEN_MEDIA 0x2000 /* alert if a file does not match the identified file format, works with JPEG, TIFF, GIF, PNG */
198
199/* mail scanning options */
200#define CL_SCAN_MAIL_PARTIAL_MESSAGE 0x1
201
202/* dev options */
203#define CL_SCAN_DEV_COLLECT_SHA 0x1 /* Enables hash output in sha-collect builds - for internal use only */
204#define CL_SCAN_DEV_COLLECT_PERFORMANCE_INFO 0x2 /* collect performance timings */
205
206/* cl_countsigs options */
207#define CL_COUNTSIGS_OFFICIAL 0x1
208#define CL_COUNTSIGS_UNOFFICIAL 0x2
209#define CL_COUNTSIGS_ALL (CL_COUNTSIGS_OFFICIAL | CL_COUNTSIGS_UNOFFICIAL)
210
211/* For the new engine_options bit field in the engine */
212#define ENGINE_OPTIONS_NONE 0x0
213#define ENGINE_OPTIONS_DISABLE_CACHE 0x1
214#define ENGINE_OPTIONS_FORCE_TO_DISK 0x2
215#define ENGINE_OPTIONS_DISABLE_PE_STATS 0x4
216#define ENGINE_OPTIONS_DISABLE_PE_CERTS 0x8
217#define ENGINE_OPTIONS_PE_DUMPCERTS 0x10
218// clang-format on
219
220struct cl_engine;
221struct cl_settings;
222
223/* ----------------------------------------------------------------------------
224 * Enable global libclamav features.
225 */
226
230extern void cl_debug(void);
231
237extern void cl_always_gen_section_hash(void);
238
239/* ----------------------------------------------------------------------------
240 * Scan engine functions.
241 */
242
251int cl_initialize_crypto(void);
252
259void cl_cleanup_crypto(void);
260
261#define CL_INIT_DEFAULT 0x0
268extern cl_error_t cl_init(unsigned int initoptions);
269
277extern struct cl_engine *cl_engine_new(void);
278
279enum cl_engine_field {
280 CL_ENGINE_MAX_SCANSIZE, /* uint64_t */
281 CL_ENGINE_MAX_FILESIZE, /* uint64_t */
282 CL_ENGINE_MAX_RECURSION, /* uint32_t */
283 CL_ENGINE_MAX_FILES, /* uint32_t */
284 CL_ENGINE_MIN_CC_COUNT, /* uint32_t */
285 CL_ENGINE_MIN_SSN_COUNT, /* uint32_t */
286 CL_ENGINE_PUA_CATEGORIES, /* (char *) */
287 CL_ENGINE_DB_OPTIONS, /* uint32_t */
288 CL_ENGINE_DB_VERSION, /* uint32_t */
289 CL_ENGINE_DB_TIME, /* time_t */
290 CL_ENGINE_AC_ONLY, /* uint32_t */
291 CL_ENGINE_AC_MINDEPTH, /* uint32_t */
292 CL_ENGINE_AC_MAXDEPTH, /* uint32_t */
293 CL_ENGINE_TMPDIR, /* (char *) */
294 CL_ENGINE_KEEPTMP, /* uint32_t */
295 CL_ENGINE_BYTECODE_SECURITY, /* uint32_t */
296 CL_ENGINE_BYTECODE_TIMEOUT, /* uint32_t */
297 CL_ENGINE_BYTECODE_MODE, /* uint32_t */
298 CL_ENGINE_MAX_EMBEDDEDPE, /* uint64_t */
299 CL_ENGINE_MAX_HTMLNORMALIZE, /* uint64_t */
300 CL_ENGINE_MAX_HTMLNOTAGS, /* uint64_t */
301 CL_ENGINE_MAX_SCRIPTNORMALIZE, /* uint64_t */
302 CL_ENGINE_MAX_ZIPTYPERCG, /* uint64_t */
303 CL_ENGINE_FORCETODISK, /* uint32_t */
304 CL_ENGINE_DISABLE_CACHE, /* uint32_t */
305 CL_ENGINE_DISABLE_PE_STATS, /* uint32_t */
306 CL_ENGINE_STATS_TIMEOUT, /* uint32_t */
307 CL_ENGINE_MAX_PARTITIONS, /* uint32_t */
308 CL_ENGINE_MAX_ICONSPE, /* uint32_t */
309 CL_ENGINE_MAX_RECHWP3, /* uint32_t */
310 CL_ENGINE_MAX_SCANTIME, /* uint32_t */
311 CL_ENGINE_PCRE_MATCH_LIMIT, /* uint64_t */
312 CL_ENGINE_PCRE_RECMATCH_LIMIT, /* uint64_t */
313 CL_ENGINE_PCRE_MAX_FILESIZE, /* uint64_t */
314 CL_ENGINE_DISABLE_PE_CERTS, /* uint32_t */
315 CL_ENGINE_PE_DUMPCERTS, /* uint32_t */
316};
317
318enum bytecode_security {
319 CL_BYTECODE_TRUST_ALL = 0, /* obsolete */
320 CL_BYTECODE_TRUST_SIGNED, /* default */
321 CL_BYTECODE_TRUST_NOTHING /* paranoid setting */
322};
323
324enum bytecode_mode {
325 CL_BYTECODE_MODE_AUTO = 0, /* JIT if possible, fallback to interpreter */
326 CL_BYTECODE_MODE_JIT, /* force JIT */
327 CL_BYTECODE_MODE_INTERPRETER, /* force interpreter */
328 CL_BYTECODE_MODE_TEST, /* both JIT and interpreter, compare results, all failures are fatal */
329 CL_BYTECODE_MODE_OFF /* for query only, not settable */
330};
331
333 unsigned char md5[16];
334 size_t len;
335};
336
337typedef struct cli_stats_sections {
338 size_t nsections;
339 struct cli_section_hash *sections;
341
354extern cl_error_t cl_engine_set_num(struct cl_engine *engine, enum cl_engine_field field, long long num);
355
364extern long long cl_engine_get_num(const struct cl_engine *engine, enum cl_engine_field field, int *err);
365
382extern cl_error_t cl_engine_set_str(struct cl_engine *engine, enum cl_engine_field field, const char *str);
383
392extern const char *cl_engine_get_str(const struct cl_engine *engine, enum cl_engine_field field, int *err);
393
402extern struct cl_settings *cl_engine_settings_copy(const struct cl_engine *engine);
403
414extern cl_error_t cl_engine_settings_apply(struct cl_engine *engine, const struct cl_settings *settings);
415
423extern cl_error_t cl_engine_settings_free(struct cl_settings *settings);
424
435extern cl_error_t cl_engine_compile(struct cl_engine *engine);
436
449extern cl_error_t cl_engine_addref(struct cl_engine *engine);
450
461extern cl_error_t cl_engine_free(struct cl_engine *engine);
462
463/* ----------------------------------------------------------------------------
464 * Callback function type definitions.
465 */
466
481typedef cl_error_t (*clcb_pre_cache)(int fd, const char *type, void *context);
490extern void cl_engine_set_clcb_pre_cache(struct cl_engine *engine, clcb_pre_cache callback);
491
492/*
493 * Attributes of each layer in scan.
494 */
495#define LAYER_ATTRIBUTES_NONE 0x0
496#define LAYER_ATTRIBUTES_NORMALIZED 0x1
497#define LAYER_ATTRIBUTES_DECRYPTED 0x2
522typedef cl_error_t (*clcb_file_inspection)(int fd, const char *type, const char **ancestors, size_t parent_file_size,
523 const char *file_name, size_t file_size, const char *file_buffer,
524 uint32_t recursion_level, uint32_t layer_attributes, void *context);
536extern void cl_engine_set_clcb_file_inspection(struct cl_engine *engine, clcb_file_inspection callback);
537
553typedef cl_error_t (*clcb_pre_scan)(int fd, const char *type, void *context);
562extern void cl_engine_set_clcb_pre_scan(struct cl_engine *engine, clcb_pre_scan callback);
563
580typedef cl_error_t (*clcb_post_scan)(int fd, int result, const char *virname, void *context);
589extern void cl_engine_set_clcb_post_scan(struct cl_engine *engine, clcb_post_scan callback);
590
605typedef void (*clcb_virus_found)(int fd, const char *virname, void *context);
614extern void cl_engine_set_clcb_virus_found(struct cl_engine *engine, clcb_virus_found callback);
615
632typedef int (*clcb_sigload)(const char *type, const char *name, unsigned int custom, void *context);
642extern void cl_engine_set_clcb_sigload(struct cl_engine *engine, clcb_sigload callback, void *context);
643
644enum cl_msg {
645 /* leave room for more message levels in the future */
646 CL_MSG_INFO_VERBOSE = 32, /* verbose */
647 CL_MSG_WARN = 64, /* LibClamAV WARNING: */
648 CL_MSG_ERROR = 128 /* LibClamAV ERROR: */
649};
650
665typedef cl_error_t (*clcb_progress)(size_t total_items, size_t now_completed, void *context);
666
677extern void cl_engine_set_clcb_sigload_progress(struct cl_engine *engine, clcb_progress callback, void *context);
678
693extern void cl_engine_set_clcb_engine_compile_progress(struct cl_engine *engine, clcb_progress callback, void *context);
694
709extern void cl_engine_set_clcb_engine_free_progress(struct cl_engine *engine, clcb_progress callback, void *context);
710
734typedef void (*clcb_msg)(enum cl_msg severity, const char *fullmsg, const char *msg, void *context);
740extern void cl_set_clcb_msg(clcb_msg callback);
741
754typedef void (*clcb_hash)(int fd, unsigned long long size, const unsigned char *md5, const char *virname, void *context);
763extern void cl_engine_set_clcb_hash(struct cl_engine *engine, clcb_hash callback);
764
784typedef cl_error_t (*clcb_meta)(const char *container_type, unsigned long fsize_container, const char *filename,
785 unsigned long fsize_real, int is_encrypted, unsigned int filepos_container, void *context);
794extern void cl_engine_set_clcb_meta(struct cl_engine *engine, clcb_meta callback);
795
806typedef int (*clcb_file_props)(const char *j_propstr, int rc, void *cbdata);
815extern void cl_engine_set_clcb_file_props(struct cl_engine *engine, clcb_file_props callback);
816
817/* ----------------------------------------------------------------------------
818 * Statistics/telemetry gathering callbacks.
819 *
820 * The statistics callback functions may be used to implement a telemetry
821 * gathering feature.
822 *
823 * The structure definition for `cbdata` is entirely up to the caller, as are
824 * the implementations of each of the callback functions defined below.
825 */
826
838extern void cl_engine_set_stats_set_cbdata(struct cl_engine *engine, void *cbdata);
839
849typedef void (*clcb_stats_add_sample)(const char *virname, const unsigned char *md5, size_t size, stats_section_t *sections, void *cbdata);
858extern void cl_engine_set_clcb_stats_add_sample(struct cl_engine *engine, clcb_stats_add_sample callback);
859
868typedef void (*clcb_stats_remove_sample)(const char *virname, const unsigned char *md5, size_t size, void *cbdata);
877extern void cl_engine_set_clcb_stats_remove_sample(struct cl_engine *engine, clcb_stats_remove_sample callback);
878
887typedef void (*clcb_stats_decrement_count)(const char *virname, const unsigned char *md5, size_t size, void *cbdata);
896extern void cl_engine_set_clcb_stats_decrement_count(struct cl_engine *engine, clcb_stats_decrement_count callback);
897
904typedef void (*clcb_stats_submit)(struct cl_engine *engine, void *cbdata);
913extern void cl_engine_set_clcb_stats_submit(struct cl_engine *engine, clcb_stats_submit callback);
914
921typedef void (*clcb_stats_flush)(struct cl_engine *engine, void *cbdata);
930extern void cl_engine_set_clcb_stats_flush(struct cl_engine *engine, clcb_stats_flush callback);
931
937typedef size_t (*clcb_stats_get_num)(void *cbdata);
946extern void cl_engine_set_clcb_stats_get_num(struct cl_engine *engine, clcb_stats_get_num callback);
947
953typedef size_t (*clcb_stats_get_size)(void *cbdata);
962extern void cl_engine_set_clcb_stats_get_size(struct cl_engine *engine, clcb_stats_get_size callback);
963
969typedef char *(*clcb_stats_get_hostid)(void *cbdata);
978extern void cl_engine_set_clcb_stats_get_hostid(struct cl_engine *engine, clcb_stats_get_hostid callback);
979
985extern void cl_engine_stats_enable(struct cl_engine *engine);
986
987/* ----------------------------------------------------------------------------
988 * File scanning.
989 */
990
1002extern cl_error_t cl_scandesc(int desc, const char *filename, const char **virname, unsigned long int *scanned, const struct cl_engine *engine, struct cl_scan_options *scanoptions);
1003
1018extern cl_error_t cl_scandesc_callback(int desc, const char *filename, const char **virname, unsigned long int *scanned, const struct cl_engine *engine, struct cl_scan_options *scanoptions, void *context);
1019
1030extern cl_error_t cl_scanfile(const char *filename, const char **virname, unsigned long int *scanned, const struct cl_engine *engine, struct cl_scan_options *scanoptions);
1031
1045extern cl_error_t cl_scanfile_callback(const char *filename, const char **virname, unsigned long int *scanned, const struct cl_engine *engine, struct cl_scan_options *scanoptions, void *context);
1046
1047/* ----------------------------------------------------------------------------
1048 * Database handling.
1049 */
1050
1060extern cl_error_t cl_load(const char *path, struct cl_engine *engine, unsigned int *signo, unsigned int dboptions);
1061
1067extern const char *cl_retdbdir(void);
1068
1069/* ----------------------------------------------------------------------------
1070 * CVD / database functions
1071 */
1072
1073struct cl_cvd { /* field no. */
1074 char *time; /* 2 */
1075 unsigned int version; /* 3 */
1076 unsigned int sigs; /* 4 */
1077 unsigned int fl; /* 5 */
1078 /* padding */
1079 char *md5; /* 6 */
1080 char *dsig; /* 7 */
1081 char *builder; /* 8 */
1082 unsigned int stime; /* 9 */
1083};
1084
1093extern struct cl_cvd *cl_cvdhead(const char *file);
1094
1106extern struct cl_cvd *cl_cvdparse(const char *head);
1107
1114extern cl_error_t cl_cvdverify(const char *file);
1115
1121extern void cl_cvdfree(struct cl_cvd *cvd);
1122
1133extern cl_error_t cl_cvdunpack(const char *file, const char *dir, bool dont_verify);
1134
1135/* ----------------------------------------------------------------------------
1136 * DB directory stat functions.
1137 * Use these functions to watch for database changes.
1138 */
1139
1140struct cl_stat {
1141 char *dir;
1142 STATBUF *stattab;
1143 char **statdname;
1144 unsigned int entries;
1145};
1146
1156extern cl_error_t cl_statinidir(const char *dirname, struct cl_stat *dbstat);
1157
1165extern int cl_statchkdir(const struct cl_stat *dbstat);
1166
1174extern cl_error_t cl_statfree(struct cl_stat *dbstat);
1175
1184extern cl_error_t cl_countsigs(const char *path, unsigned int countoptions, unsigned int *sigs);
1185
1186/* ----------------------------------------------------------------------------
1187 * Software versions.
1188 */
1189
1195extern unsigned int cl_retflevel(void);
1196
1204extern const char *cl_retver(void);
1205
1206/* ----------------------------------------------------------------------------
1207 * Others.
1208 */
1209extern const char *cl_strerror(cl_error_t clerror);
1210
1211/* ----------------------------------------------------------------------------
1212 * Custom data scanning.
1213 */
1214struct cl_fmap;
1215typedef struct cl_fmap cl_fmap_t;
1216
1239typedef off_t (*clcb_pread)(void *handle, void *buf, size_t count, off_t offset);
1240
1258extern cl_fmap_t *cl_fmap_open_handle(void *handle, size_t offset, size_t len,
1259 clcb_pread pread_cb, int use_aging);
1260
1273extern cl_fmap_t *cl_fmap_open_memory(const void *start, size_t len);
1274
1283extern void cl_fmap_close(cl_fmap_t *);
1284
1302extern cl_error_t cl_scanmap_callback(cl_fmap_t *map, const char *filename, const char **virname, unsigned long int *scanned, const struct cl_engine *engine, struct cl_scan_options *scanoptions, void *context);
1303
1304/* ----------------------------------------------------------------------------
1305 * Crypto/hashing functions
1306 */
1307#define MD5_HASH_SIZE 16
1308#define SHA1_HASH_SIZE 20
1309#define SHA256_HASH_SIZE 32
1310#define SHA384_HASH_SIZE 48
1311#define SHA512_HASH_SIZE 64
1312
1323unsigned char *cl_hash_data(const char *alg, const void *buf, size_t len, unsigned char *obuf, unsigned int *olen);
1324
1333unsigned char *cl_hash_file_fd_ctx(EVP_MD_CTX *ctx, int fd, unsigned int *olen);
1334
1343unsigned char *cl_hash_file_fd(int fd, const char *alg, unsigned int *olen);
1344
1353unsigned char *cl_hash_file_fp(FILE *fp, const char *alg, unsigned int *olen);
1354
1364unsigned char *cl_sha256(const void *buf, size_t len, unsigned char *obuf, unsigned int *olen);
1365
1375unsigned char *cl_sha384(const void *buf, size_t len, unsigned char *obuf, unsigned int *olen);
1376
1386unsigned char *cl_sha512(const void *buf, size_t len, unsigned char *obuf, unsigned int *olen);
1387
1397unsigned char *cl_sha1(const void *buf, size_t len, unsigned char *obuf, unsigned int *olen);
1398
1411int cl_verify_signature(EVP_PKEY *pkey, const char *alg, unsigned char *sig, unsigned int siglen, unsigned char *data, size_t datalen, int decode);
1412
1423int cl_verify_signature_hash(EVP_PKEY *pkey, const char *alg, unsigned char *sig, unsigned int siglen, unsigned char *digest);
1424
1435int cl_verify_signature_fd(EVP_PKEY *pkey, const char *alg, unsigned char *sig, unsigned int siglen, int fd);
1436
1447int cl_verify_signature_hash_x509_keyfile(char *x509path, const char *alg, unsigned char *sig, unsigned int siglen, unsigned char *digest);
1448
1459int cl_verify_signature_fd_x509_keyfile(char *x509path, const char *alg, unsigned char *sig, unsigned int siglen, int fd);
1460
1473int cl_verify_signature_x509_keyfile(char *x509path, const char *alg, unsigned char *sig, unsigned int siglen, unsigned char *data, size_t datalen, int decode);
1474
1485int cl_verify_signature_hash_x509(X509 *x509, const char *alg, unsigned char *sig, unsigned int siglen, unsigned char *digest);
1486
1497int cl_verify_signature_fd_x509(X509 *x509, const char *alg, unsigned char *sig, unsigned int siglen, int fd);
1498
1511int cl_verify_signature_x509(X509 *x509, const char *alg, unsigned char *sig, unsigned int siglen, unsigned char *data, size_t datalen, int decode);
1512
1520X509 *cl_get_x509_from_mem(void *data, unsigned int len);
1521
1529int cl_validate_certificate_chain_ts_dir(char *tsdir, char *certpath);
1530
1539int cl_validate_certificate_chain(char **authorities, char *crlpath, char *certpath);
1540
1546X509 *cl_load_cert(const char *certpath);
1547
1554struct tm *cl_ASN1_GetTimeT(ASN1_TIME *timeobj);
1555
1562X509_CRL *cl_load_crl(const char *timeobj);
1563
1574unsigned char *cl_sign_data_keyfile(char *keypath, const char *alg, unsigned char *hash, unsigned int *olen, int encode);
1575
1586unsigned char *cl_sign_data(EVP_PKEY *pkey, const char *alg, unsigned char *hash, unsigned int *olen, int encode);
1587
1598unsigned char *cl_sign_file_fd(int fd, EVP_PKEY *pkey, const char *alg, unsigned int *olen, int encode);
1599
1610unsigned char *cl_sign_file_fp(FILE *fp, EVP_PKEY *pkey, const char *alg, unsigned int *olen, int encode);
1611
1618EVP_PKEY *cl_get_pkey_file(char *keypath);
1619
1620void *cl_hash_init(const char *alg);
1621int cl_update_hash(void *ctx, const void *data, size_t sz);
1622int cl_finish_hash(void *ctx, void *buf);
1623void cl_hash_destroy(void *ctx);
1624
1625#ifdef __cplusplus
1626}
1627#endif
1628
1629#endif /* __CLAMAV_H */
Definition: clamav.h:1073
Definition: clamav.h:157
Definition: clamav.h:1140
Definition: clamav.h:332
Definition: clamav.h:337