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libclamav: add default.h

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git-svn: trunk@4578
0.95
Tomasz Kojm 17 years ago
parent 188914fe8d
commit 589d8d8e99
10 changed files with 39 additions and 30 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 4
      ChangeLog
  2. 3
      libclamav/Makefile.am
  3. 3
      libclamav/Makefile.in
  4. 7
      libclamav/filetypes.c
  5. 15
      libclamav/matcher-ac.c
  6. 3
      libclamav/matcher-ac.h
  7. 9
      libclamav/matcher.c
  8. 17
      libclamav/others.c
  9. 3
      libclamav/regex_list.c
  10. 5
      unit_tests/check_matchers.c

4
ChangeLog
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@ -1,3 +1,7 @@
Mon Dec 29 19:08:25 CET 2008 (tk)
---------------------------------
* libclamav: add default.h
Tue Dec 23 13:03:42 EET 2008 (edwin)
------------------------------------
* libclamav/pe.c, libclamav/special.c: reset resource type,

3
libclamav/Makefile.am
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@ -260,7 +260,8 @@ libclamav_la_SOURCES = \
version.c\
version.h\
mpool.c\
mpool.h
mpool.h \
default.h
.PHONY: version.h.tmp
version.lo: version.h

3
libclamav/Makefile.in
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@ -559,7 +559,8 @@ libclamav_la_SOURCES = \
version.c\
version.h\
mpool.c\
mpool.h
mpool.h \
default.h
noinst_LTLIBRARIES = libclamav_internal_utils.la
COMMON_CLEANFILES = version.h version.h.tmp *.gcda *.gcno lzma/*.gcda lzma/*.gcno

7
libclamav/filetypes.c
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@ -37,6 +37,7 @@
#include "matcher-ac.h"
#include "str.h"
#include "textdet.h"
#include "default.h"
#include "htmlnorm.h"
#include "entconv.h"
@ -164,7 +165,7 @@ cli_file_t cli_filetype2(int desc, const struct cl_engine *engine)
if(!root)
return ret;
if(cli_ac_initdata(&mdata, root->ac_partsigs, root->ac_lsigs, AC_DEFAULT_TRACKLEN))
if(cli_ac_initdata(&mdata, root->ac_partsigs, root->ac_lsigs, CLI_DEFAULT_AC_TRACKLEN))
return ret;
sret = cli_ac_scanbuff(buff, bread, NULL, NULL, NULL, engine->root[0], &mdata, 0, ret, desc, NULL, AC_SCAN_FT, NULL);
@ -174,7 +175,7 @@ cli_file_t cli_filetype2(int desc, const struct cl_engine *engine)
if(sret >= CL_TYPENO) {
ret = sret;
} else {
if(cli_ac_initdata(&mdata, root->ac_partsigs, root->ac_lsigs, AC_DEFAULT_TRACKLEN))
if(cli_ac_initdata(&mdata, root->ac_partsigs, root->ac_lsigs, CLI_DEFAULT_AC_TRACKLEN))
return ret;
decoded = (unsigned char *) cli_utf16toascii((char *) buff, bread);
@ -209,7 +210,7 @@ cli_file_t cli_filetype2(int desc, const struct cl_engine *engine)
* (just eliminating zeros and matching would introduce false positives */
if(encoding_normalize_toascii(&in_area, encoding, &out_area) >= 0 && out_area.length > 0) {
out_area.buffer[out_area.length] = '\0';
if(cli_ac_initdata(&mdata, root->ac_partsigs, root->ac_lsigs, AC_DEFAULT_TRACKLEN))
if(cli_ac_initdata(&mdata, root->ac_partsigs, root->ac_lsigs, CLI_DEFAULT_AC_TRACKLEN))
return ret;
if(out_area.length > 0) {

15
libclamav/matcher-ac.c
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@ -40,6 +40,7 @@
#include "cltypes.h"
#include "str.h"
#include "readdb.h"
#include "default.h"
#include "mpool.h"
@ -933,7 +934,7 @@ int cli_ac_scanbuff(const unsigned char *buffer, uint32_t length, const char **v
return CL_EMEM;
}
mdata->offmatrix[pt->sigid - 1][0] = cli_malloc(pt->parts * (AC_DEFAULT_TRACKLEN + 1) * sizeof(int32_t));
mdata->offmatrix[pt->sigid - 1][0] = cli_malloc(pt->parts * (CLI_DEFAULT_AC_TRACKLEN + 1) * sizeof(int32_t));
if(!mdata->offmatrix[pt->sigid - 1][0]) {
cli_errmsg("cli_ac_scanbuff: Can't allocate memory for mdata->offmatrix[%u][0]\n", pt->sigid - 1);
free(mdata->offmatrix[pt->sigid - 1]);
@ -942,10 +943,10 @@ int cli_ac_scanbuff(const unsigned char *buffer, uint32_t length, const char **v
free(info.exeinfo.section);
return CL_EMEM;
}
memset(mdata->offmatrix[pt->sigid - 1][0], -1, pt->parts * (AC_DEFAULT_TRACKLEN + 1) * sizeof(int32_t));
memset(mdata->offmatrix[pt->sigid - 1][0], -1, pt->parts * (CLI_DEFAULT_AC_TRACKLEN + 1) * sizeof(int32_t));
mdata->offmatrix[pt->sigid - 1][0][0] = 0;
for(j = 1; j < pt->parts; j++) {
mdata->offmatrix[pt->sigid - 1][j] = mdata->offmatrix[pt->sigid - 1][0] + j * (AC_DEFAULT_TRACKLEN + 1);
mdata->offmatrix[pt->sigid - 1][j] = mdata->offmatrix[pt->sigid - 1][0] + j * (CLI_DEFAULT_AC_TRACKLEN + 1);
mdata->offmatrix[pt->sigid - 1][j][0] = 0;
}
}
@ -953,7 +954,7 @@ int cli_ac_scanbuff(const unsigned char *buffer, uint32_t length, const char **v
if(pt->partno != 1) {
found = 0;
for(j = 1; j <= AC_DEFAULT_TRACKLEN && offmatrix[pt->partno - 2][j] != -1; j++) {
for(j = 1; j <= CLI_DEFAULT_AC_TRACKLEN && offmatrix[pt->partno - 2][j] != -1; j++) {
found = 1;
if(pt->maxdist)
if(realoff - offmatrix[pt->partno - 2][j] > pt->maxdist)
@ -969,7 +970,7 @@ int cli_ac_scanbuff(const unsigned char *buffer, uint32_t length, const char **v
}
if(pt->partno == 1 || (found && (pt->partno != pt->parts))) {
offmatrix[pt->partno - 1][0] %= AC_DEFAULT_TRACKLEN;
offmatrix[pt->partno - 1][0] %= CLI_DEFAULT_AC_TRACKLEN;
offmatrix[pt->partno - 1][0]++;
offmatrix[pt->partno - 1][offmatrix[pt->partno - 1][0]] = offset + matchend;
@ -990,7 +991,7 @@ int cli_ac_scanbuff(const unsigned char *buffer, uint32_t length, const char **v
type = pt->type;
if(ftoffset && (!*ftoffset || (*ftoffset)->cnt < MAX_EMBEDDED_OBJ || type == CL_TYPE_ZIPSFX) && ((ftype == CL_TYPE_MSEXE && type >= CL_TYPE_SFX) || ((ftype == CL_TYPE_MSEXE || ftype == CL_TYPE_ZIP || ftype == CL_TYPE_MSOLE2) && type == CL_TYPE_MSEXE))) {
/* FIXME: we don't know which offset of the first part is the correct one */
for(j = 1; j <= AC_DEFAULT_TRACKLEN && offmatrix[0][j] != -1; j++) {
for(j = 1; j <= CLI_DEFAULT_AC_TRACKLEN && offmatrix[0][j] != -1; j++) {
if(ac_addtype(ftoffset, type, offmatrix[pt->parts - 1][j], ctx)) {
if(info.exeinfo.section)
free(info.exeinfo.section);
@ -999,7 +1000,7 @@ int cli_ac_scanbuff(const unsigned char *buffer, uint32_t length, const char **v
}
}
memset(offmatrix[0], -1, pt->parts * (AC_DEFAULT_TRACKLEN + 1) * sizeof(int32_t));
memset(offmatrix[0], -1, pt->parts * (CLI_DEFAULT_AC_TRACKLEN + 1) * sizeof(int32_t));
for(j = 0; j < pt->parts; j++)
offmatrix[j][0] = 0;
}

3
libclamav/matcher-ac.h
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@ -26,9 +26,6 @@
#include "filetypes.h"
#include "cltypes.h"
#define AC_DEFAULT_MIN_DEPTH 2
#define AC_DEFAULT_MAX_DEPTH 3
#define AC_DEFAULT_TRACKLEN 8
#define AC_CH_MAXDIST 32
#define AC_SCAN_VIR 1

9
libclamav/matcher.c
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@ -43,6 +43,7 @@
#include "special.h"
#include "str.h"
#include "cltypes.h"
#include "default.h"
int cli_scanbuff(const unsigned char *buffer, uint32_t length, cli_ctx *ctx, cli_file_t ftype)
@ -72,7 +73,7 @@ int cli_scanbuff(const unsigned char *buffer, uint32_t length, cli_ctx *ctx, cli
if(troot) {
if((ret = cli_ac_initdata(&mdata, troot->ac_partsigs, troot->ac_lsigs, AC_DEFAULT_TRACKLEN)))
if((ret = cli_ac_initdata(&mdata, troot->ac_partsigs, troot->ac_lsigs, CLI_DEFAULT_AC_TRACKLEN)))
return ret;
if(troot->ac_only || (ret = cli_bm_scanbuff(buffer, length, virname, troot, 0, ftype, -1)) != CL_VIRUS)
@ -84,7 +85,7 @@ int cli_scanbuff(const unsigned char *buffer, uint32_t length, cli_ctx *ctx, cli
return ret;
}
if((ret = cli_ac_initdata(&mdata, groot->ac_partsigs, groot->ac_lsigs, AC_DEFAULT_TRACKLEN)))
if((ret = cli_ac_initdata(&mdata, groot->ac_partsigs, groot->ac_lsigs, CLI_DEFAULT_AC_TRACKLEN)))
return ret;
if(groot->ac_only || (ret = cli_bm_scanbuff(buffer, length, virname, groot, 0, ftype, -1)) != CL_VIRUS)
@ -297,11 +298,11 @@ int cli_scandesc(int desc, cli_ctx *ctx, cli_file_t ftype, uint8_t ftonly, struc
return CL_EMEM;
}
if(!ftonly && (ret = cli_ac_initdata(&gdata, groot->ac_partsigs, groot->ac_lsigs, AC_DEFAULT_TRACKLEN)))
if(!ftonly && (ret = cli_ac_initdata(&gdata, groot->ac_partsigs, groot->ac_lsigs, CLI_DEFAULT_AC_TRACKLEN)))
return ret;
if(troot) {
if((ret = cli_ac_initdata(&tdata, troot->ac_partsigs, troot->ac_lsigs, AC_DEFAULT_TRACKLEN)))
if((ret = cli_ac_initdata(&tdata, troot->ac_partsigs, troot->ac_lsigs, CLI_DEFAULT_AC_TRACKLEN)))
return ret;
}

17
libclamav/others.c
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@ -76,6 +76,7 @@ static pthread_mutex_t cli_gentemp_mutex = PTHREAD_MUTEX_INITIALIZER;
#include "regex/regex.h"
#include "ltdl.h"
#include "matcher-ac.h"
#include "default.h"
#ifndef O_BINARY
#define O_BINARY 0
@ -214,17 +215,17 @@ struct cl_engine *cl_engine_new(void)
}
/* Setup default limits */
new->maxscansize = 104857600;
new->maxfilesize = 26214400;
new->maxreclevel = 16;
new->maxfiles = 10000;
new->min_cc_count = 3;
new->min_ssn_count = 3;
new->maxscansize = CLI_DEFAULT_MAXSCANSIZE;
new->maxfilesize = CLI_DEFAULT_MAXFILESIZE;
new->maxreclevel = CLI_DEFAULT_MAXRECLEVEL;
new->maxfiles = CLI_DEFAULT_MAXFILES;
new->min_cc_count = CLI_DEFAULT_MIN_CC_COUNT;
new->min_ssn_count = CLI_DEFAULT_MIN_SSN_COUNT;
new->refcount = 1;
new->ac_only = 0;
new->ac_mindepth = AC_DEFAULT_MIN_DEPTH;
new->ac_maxdepth = AC_DEFAULT_MAX_DEPTH;
new->ac_mindepth = CLI_DEFAULT_AC_MINDEPTH;
new->ac_maxdepth = CLI_DEFAULT_AC_MAXDEPTH;
#ifdef USE_MPOOL
if(!(new->mempool = mp_create())) {

3
libclamav/regex_list.c
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@ -53,6 +53,7 @@
#include "readdb.h"
#include "jsparse/textbuf.h"
#include "regex_suffix.h"
#include "default.h"
#include "mpool.h"
@ -287,7 +288,7 @@ int regex_list_match(struct regex_matcher* matcher,char* real_url,const char* di
buffer[buffer_len]=0;
cli_dbgmsg("Looking up in regex_list: %s\n", buffer);
if((rc = cli_ac_initdata(&mdata, 0, 0, AC_DEFAULT_TRACKLEN)))
if((rc = cli_ac_initdata(&mdata, 0, 0, CLI_DEFAULT_AC_TRACKLEN)))
return rc;
bufrev = cli_strdup(buffer);

5
unit_tests/check_matchers.c
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@ -30,6 +30,7 @@
#include "../libclamav/matcher.h"
#include "../libclamav/matcher-ac.h"
#include "../libclamav/matcher-bm.h"
#include "../libclamav/default.h"
#include "checks.h"
static const struct ac_testdata_s {
@ -64,7 +65,7 @@ START_TEST (test_ac_scanbuff) {
#ifdef USE_MPOOL
root->mempool = mp_create();
#endif
ret = cli_ac_init(root, AC_DEFAULT_MIN_DEPTH, AC_DEFAULT_MAX_DEPTH);
ret = cli_ac_init(root, CLI_DEFAULT_AC_MINDEPTH, CLI_DEFAULT_AC_MAXDEPTH);
fail_unless(ret == CL_SUCCESS, "cli_ac_init() failed");
for(i = 0; ac_testdata[i].data; i++) {
@ -75,7 +76,7 @@ START_TEST (test_ac_scanbuff) {
ret = cli_ac_buildtrie(root);
fail_unless(ret == CL_SUCCESS, "cli_ac_buildtrie() failed");
ret = cli_ac_initdata(&mdata, root->ac_partsigs, 0, AC_DEFAULT_TRACKLEN);
ret = cli_ac_initdata(&mdata, root->ac_partsigs, 0, CLI_DEFAULT_AC_TRACKLEN);
fail_unless(ret == CL_SUCCESS, "cli_ac_initdata() failed");
for(i = 0; ac_testdata[i].data; i++) {

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