/*
* Unix SMB/CIFS implementation.
* Virtual Windows Registry Layer
*
* Copyright (C) Marcin Krzysztof Porwit 2005,
* Copyright (C) Gerald (Jerry) Carter 2005.
*
* This program 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.
*
* This program 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 .
*/
#include "includes.h"
#include "system/filesys.h"
#include "../librpc/gen_ndr/perfcount.h"
#include "registry.h"
#include "reg_perfcount.h"
#include "../libcli/registry/util_reg.h"
#include "util_tdb.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_REGISTRY
#define PERFCOUNT_MAX_LEN 256
#define PERFCOUNTDIR "perfmon"
#define NAMES_DB "names.tdb"
#define DATA_DB "data.tdb"
struct PERF_OBJECT_TYPE *_reg_perfcount_find_obj(struct PERF_DATA_BLOCK *block, int objind);
/*********************************************************************
*********************************************************************/
/* returns perfcount path for dbname allocated on talloc_tos */
static char *counters_directory(const char *dbname)
{
char *dir_path = NULL;
char *db_subpath = NULL;
char *ret = NULL;
dir_path = state_path(talloc_tos(), PERFCOUNTDIR);
if (dir_path == NULL) {
return NULL;
}
if (!directory_create_or_exist(dir_path, 0755)) {
TALLOC_FREE(dir_path);
return NULL;
}
db_subpath = talloc_asprintf(dir_path, "%s/%s", PERFCOUNTDIR, dbname);
if (db_subpath == NULL) {
TALLOC_FREE(dir_path);
return NULL;
}
ret = state_path(talloc_tos(), db_subpath);
TALLOC_FREE(dir_path);
return ret;
}
/*********************************************************************
*********************************************************************/
uint32_t reg_perfcount_get_base_index(void)
{
char *fname;
TDB_CONTEXT *names;
TDB_DATA kbuf, dbuf;
char key[] = "1";
uint32_t retval = 0;
char buf[PERFCOUNT_MAX_LEN];
fname = counters_directory(NAMES_DB);
if (fname == NULL) {
return 0;
}
names = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
if ( !names ) {
DEBUG(2, ("reg_perfcount_get_base_index: unable to open [%s].\n", fname));
TALLOC_FREE(fname);
return 0;
}
/* needs to read the value of key "1" from the counter_names.tdb file, as that is
where the total number of counters is stored. We're assuming no holes in the
enumeration.
The format for the counter_names.tdb file is:
key value
1 num_counters
2 perf_counter1
3 perf_counter1_help
4 perf_counter2
5 perf_counter2_help
even_num perf_counter
even_num+1 perf_counter_help
and so on.
So last_counter becomes num_counters*2, and last_help will be last_counter+1 */
kbuf = string_tdb_data(key);
dbuf = tdb_fetch(names, kbuf);
if(dbuf.dptr == NULL)
{
DEBUG(1, ("reg_perfcount_get_base_index: failed to find key \'1\' in [%s].\n", fname));
tdb_close(names);
TALLOC_FREE(fname);
return 0;
}
tdb_close(names);
TALLOC_FREE(fname);
memset(buf, 0, PERFCOUNT_MAX_LEN);
memcpy(buf, dbuf.dptr, dbuf.dsize);
retval = (uint32_t)atoi(buf);
SAFE_FREE(dbuf.dptr);
return retval;
}
/*********************************************************************
*********************************************************************/
uint32_t reg_perfcount_get_last_counter(uint32_t base_index)
{
uint32_t retval;
if(base_index == 0)
retval = 0;
else
retval = base_index * 2;
return retval;
}
/*********************************************************************
*********************************************************************/
uint32_t reg_perfcount_get_last_help(uint32_t last_counter)
{
uint32_t retval;
if(last_counter == 0)
retval = 0;
else
retval = last_counter + 1;
return retval;
}
/*********************************************************************
*********************************************************************/
static uint32_t _reg_perfcount_multi_sz_from_tdb(TDB_CONTEXT *tdb,
int keyval,
char **retbuf,
uint32_t buffer_size)
{
TDB_DATA kbuf, dbuf;
char temp[PERFCOUNT_MAX_LEN] = {0};
char *buf1 = *retbuf;
char *p = NULL;
uint32_t working_size = 0;
DATA_BLOB name_index, name;
bool ok;
snprintf(temp, sizeof(temp), "%d", keyval);
kbuf = string_tdb_data(temp);
dbuf = tdb_fetch(tdb, kbuf);
if(dbuf.dptr == NULL)
{
/* If a key isn't there, just bypass it -- this really shouldn't
happen unless someone's mucking around with the tdb */
DEBUG(3, ("_reg_perfcount_multi_sz_from_tdb: failed to find key [%s] in [%s].\n",
temp, tdb_name(tdb)));
return buffer_size;
}
/* First encode the name_index */
working_size = (kbuf.dsize + 1)*sizeof(uint16_t);
/* SMB_REALLOC frees buf1 on error */
p = (char *)SMB_REALLOC(buf1, buffer_size + working_size);
if (p == NULL) {
buffer_size = 0;
return buffer_size;
}
buf1 = p;
ok = push_reg_sz(talloc_tos(), &name_index, (const char *)kbuf.dptr);
if (!ok) {
SAFE_FREE(buf1);
buffer_size = 0;
return buffer_size;
}
memcpy(buf1+buffer_size, (char *)name_index.data, working_size);
buffer_size += working_size;
/* Now encode the actual name */
working_size = (dbuf.dsize + 1)*sizeof(uint16_t);
/* SMB_REALLOC frees buf1 on error */
p = (char *)SMB_REALLOC(buf1, buffer_size + working_size);
if (p == NULL) {
buffer_size = 0;
return buffer_size;
}
buf1 = p;
memset(temp, 0, sizeof(temp));
memcpy(temp, dbuf.dptr, dbuf.dsize);
SAFE_FREE(dbuf.dptr);
ok = push_reg_sz(talloc_tos(), &name, temp);
if (!ok) {
SAFE_FREE(buf1);
buffer_size = 0;
return buffer_size;
}
memcpy(buf1+buffer_size, (char *)name.data, working_size);
buffer_size += working_size;
*retbuf = buf1;
return buffer_size;
}
/*********************************************************************
*********************************************************************/
uint32_t reg_perfcount_get_counter_help(uint32_t base_index, char **retbuf)
{
char *buf1 = NULL;
uint32_t buffer_size = 0;
TDB_CONTEXT *names;
char *fname;
int i;
if (base_index == 0) {
return 0;
}
fname = counters_directory(NAMES_DB);
if (fname == NULL) {
return 0;
}
names = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
if (names == NULL) {
DEBUG(1, ("reg_perfcount_get_counter_help: unable to open [%s].\n", fname));
TALLOC_FREE(fname);
return 0;
}
TALLOC_FREE(fname);
for(i = 1; i <= base_index; i++)
{
buffer_size = _reg_perfcount_multi_sz_from_tdb(names, (i*2)+1, retbuf, buffer_size);
}
tdb_close(names);
/* Now terminate the MULTI_SZ with a double unicode NULL */
buf1 = *retbuf;
buf1 = (char *)SMB_REALLOC(buf1, buffer_size + 2);
if(!buf1) {
buffer_size = 0;
} else {
buf1[buffer_size++] = '\0';
buf1[buffer_size++] = '\0';
}
*retbuf = buf1;
return buffer_size;
}
/*********************************************************************
*********************************************************************/
uint32_t reg_perfcount_get_counter_names(uint32_t base_index, char **retbuf)
{
char *buf1 = NULL;
uint32_t buffer_size = 0;
TDB_CONTEXT *names;
char *fname;
int i;
if (base_index == 0) {
return 0;
}
fname = counters_directory(NAMES_DB);
if (fname == NULL) {
return 0;
}
names = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
if (names == NULL) {
DEBUG(1, ("reg_perfcount_get_counter_names: unable to open [%s].\n", fname));
TALLOC_FREE(fname);
return 0;
}
TALLOC_FREE(fname);
buffer_size = _reg_perfcount_multi_sz_from_tdb(names, 1, retbuf, buffer_size);
for(i = 1; i <= base_index; i++)
{
buffer_size = _reg_perfcount_multi_sz_from_tdb(names, i*2, retbuf, buffer_size);
}
tdb_close(names);
/* Now terminate the MULTI_SZ with a double unicode NULL */
buf1 = *retbuf;
buf1 = (char *)SMB_REALLOC(buf1, buffer_size + 2);
if(!buf1) {
buffer_size = 0;
} else {
buf1[buffer_size++] = '\0';
buf1[buffer_size++] = '\0';
}
*retbuf=buf1;
return buffer_size;
}
/*********************************************************************
*********************************************************************/
static void _reg_perfcount_make_key(TDB_DATA *key,
char *buf,
int buflen,
int key_part1,
const char *key_part2)
{
memset(buf, 0, buflen);
if(key_part2 != NULL)
snprintf(buf, buflen,"%d%s", key_part1, key_part2);
else
snprintf(buf, buflen, "%d", key_part1);
*key = string_tdb_data(buf);
return;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_isparent(TDB_DATA data)
{
if(data.dsize > 0)
{
if(data.dptr[0] == 'p')
return True;
else
return False;
}
return False;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_ischild(TDB_DATA data)
{
if(data.dsize > 0)
{
if(data.dptr[0] == 'c')
return True;
else
return False;
}
return False;
}
/*********************************************************************
*********************************************************************/
static uint32_t _reg_perfcount_get_numinst(int objInd, TDB_CONTEXT *names)
{
TDB_DATA key, data;
char buf[PERFCOUNT_MAX_LEN];
_reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, objInd, "inst");
data = tdb_fetch(names, key);
if(data.dptr == NULL)
return (uint32_t)PERF_NO_INSTANCES;
memset(buf, 0, PERFCOUNT_MAX_LEN);
memcpy(buf, data.dptr, data.dsize);
SAFE_FREE(data.dptr);
return (uint32_t)atoi(buf);
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_add_instance(struct PERF_OBJECT_TYPE *obj,
TALLOC_CTX *mem_ctx,
int instInd,
TDB_CONTEXT *names);
static bool _reg_perfcount_add_object(struct PERF_DATA_BLOCK *block,
TALLOC_CTX *mem_ctx,
int num,
TDB_DATA data,
TDB_CONTEXT *names)
{
int i;
bool success = True;
struct PERF_OBJECT_TYPE *obj;
block->objects = (struct PERF_OBJECT_TYPE *)talloc_realloc(mem_ctx,
block->objects,
struct PERF_OBJECT_TYPE,
block->NumObjectTypes+1);
if(block->objects == NULL)
return False;
obj = &(block->objects[block->NumObjectTypes]);
memset((void *)&(block->objects[block->NumObjectTypes]), 0, sizeof(struct PERF_OBJECT_TYPE));
block->objects[block->NumObjectTypes].ObjectNameTitleIndex = num;
block->objects[block->NumObjectTypes].ObjectNameTitlePointer = 0;
block->objects[block->NumObjectTypes].ObjectHelpTitleIndex = num+1;
block->objects[block->NumObjectTypes].ObjectHelpTitlePointer = 0;
block->objects[block->NumObjectTypes].NumCounters = 0;
block->objects[block->NumObjectTypes].DefaultCounter = 0;
block->objects[block->NumObjectTypes].NumInstances = _reg_perfcount_get_numinst(num, names);
block->objects[block->NumObjectTypes].counters = NULL;
block->objects[block->NumObjectTypes].instances = NULL;
block->objects[block->NumObjectTypes].counter_data.ByteLength = sizeof(uint32_t);
block->objects[block->NumObjectTypes].counter_data.data = NULL;
block->objects[block->NumObjectTypes].DetailLevel = PERF_DETAIL_NOVICE;
block->NumObjectTypes+=1;
for(i = 0; i < (int)obj->NumInstances; i++) {
success = _reg_perfcount_add_instance(obj, mem_ctx, i, names);
}
return success;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_get_counter_data(TDB_DATA key, TDB_DATA *data)
{
TDB_CONTEXT *counters;
char *fname;
fname = counters_directory(DATA_DB);
if (fname == NULL) {
return false;
}
counters = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
if (counters == NULL) {
DEBUG(1, ("reg_perfcount_get_counter_data: unable to open [%s].\n", fname));
TALLOC_FREE(fname);
return False;
}
TALLOC_FREE(fname);
*data = tdb_fetch(counters, key);
tdb_close(counters);
return True;
}
/*********************************************************************
*********************************************************************/
static uint32_t _reg_perfcount_get_size_field(uint32_t CounterType)
{
uint32_t retval;
retval = CounterType;
/* First mask out reserved lower 8 bits */
retval = retval & 0xFFFFFF00;
retval = retval << 22;
retval = retval >> 22;
return retval;
}
/*********************************************************************
*********************************************************************/
static uint32_t _reg_perfcount_compute_scale(int64_t data)
{
int scale = 0;
if(data == 0)
return scale;
while(data > 100)
{
data /= 10;
scale--;
}
while(data < 10)
{
data *= 10;
scale++;
}
return (uint32_t)scale;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_get_counter_info(struct PERF_DATA_BLOCK *block,
TALLOC_CTX *mem_ctx,
int CounterIndex,
struct PERF_OBJECT_TYPE *obj,
TDB_CONTEXT *names)
{
TDB_DATA key, data;
char buf[PERFCOUNT_MAX_LEN];
size_t dsize, padding;
long int data32, dbuf[2];
int64_t data64;
uint32_t counter_size;
obj->counters[obj->NumCounters].DefaultScale = 0;
dbuf[0] = dbuf[1] = 0;
padding = 0;
_reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, CounterIndex, "type");
data = tdb_fetch(names, key);
if(data.dptr == NULL)
{
DEBUG(3, ("_reg_perfcount_get_counter_info: No type data for counter [%d].\n", CounterIndex));
return False;
}
memset(buf, 0, PERFCOUNT_MAX_LEN);
memcpy(buf, data.dptr, data.dsize);
obj->counters[obj->NumCounters].CounterType = atoi(buf);
DEBUG(10, ("_reg_perfcount_get_counter_info: Got type [%d] for counter [%d].\n",
obj->counters[obj->NumCounters].CounterType, CounterIndex));
SAFE_FREE(data.dptr);
/* Fetch the actual data */
_reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, CounterIndex, "");
_reg_perfcount_get_counter_data(key, &data);
if(data.dptr == NULL)
{
DEBUG(3, ("_reg_perfcount_get_counter_info: No counter data for counter [%d].\n", CounterIndex));
return False;
}
counter_size = _reg_perfcount_get_size_field(obj->counters[obj->NumCounters].CounterType);
if(counter_size == PERF_SIZE_DWORD)
{
dsize = sizeof(data32);
memset(buf, 0, PERFCOUNT_MAX_LEN);
memcpy(buf, data.dptr, data.dsize);
data32 = strtol(buf, NULL, 0);
if((obj->counters[obj->NumCounters].CounterType & 0x00000F00) == PERF_TYPE_NUMBER)
obj->counters[obj->NumCounters].DefaultScale = _reg_perfcount_compute_scale((int64_t)data32);
else
obj->counters[obj->NumCounters].DefaultScale = 0;
dbuf[0] = data32;
padding = (dsize - (obj->counter_data.ByteLength%dsize)) % dsize;
}
else if(counter_size == PERF_SIZE_LARGE)
{
dsize = sizeof(data64);
memset(buf, 0, PERFCOUNT_MAX_LEN);
memcpy(buf, data.dptr, data.dsize);
data64 = atof(buf);
if((obj->counters[obj->NumCounters].CounterType & 0x00000F00) == PERF_TYPE_NUMBER)
obj->counters[obj->NumCounters].DefaultScale = _reg_perfcount_compute_scale(data64);
else
obj->counters[obj->NumCounters].DefaultScale = 0;
memcpy((void *)dbuf, (const void *)&data64, dsize);
padding = (dsize - (obj->counter_data.ByteLength%dsize)) % dsize;
}
else /* PERF_SIZE_VARIABLE_LEN */
{
dsize = data.dsize;
memset(buf, 0, PERFCOUNT_MAX_LEN);
memcpy(buf, data.dptr, data.dsize);
}
SAFE_FREE(data.dptr);
obj->counter_data.ByteLength += dsize + padding;
obj->counter_data.data = talloc_realloc(mem_ctx,
obj->counter_data.data,
uint8_t,
obj->counter_data.ByteLength - sizeof(uint32_t));
if(obj->counter_data.data == NULL)
return False;
if(dbuf[0] != 0 || dbuf[1] != 0)
{
memcpy((void *)(obj->counter_data.data +
(obj->counter_data.ByteLength - (sizeof(uint32_t) + dsize))),
(const void *)dbuf, dsize);
}
else
{
/* Handling PERF_SIZE_VARIABLE_LEN */
memcpy((void *)(obj->counter_data.data +
(obj->counter_data.ByteLength - (sizeof(uint32_t) + dsize))),
(const void *)buf, dsize);
}
obj->counters[obj->NumCounters].CounterOffset = obj->counter_data.ByteLength - dsize;
if(obj->counters[obj->NumCounters].CounterOffset % dsize != 0)
{
DEBUG(3,("Improperly aligned counter [%d]\n", obj->NumCounters));
}
obj->counters[obj->NumCounters].CounterSize = dsize;
return True;
}
/*********************************************************************
*********************************************************************/
struct PERF_OBJECT_TYPE *_reg_perfcount_find_obj(struct PERF_DATA_BLOCK *block, int objind)
{
int i;
struct PERF_OBJECT_TYPE *obj = NULL;
for(i = 0; i < block->NumObjectTypes; i++)
{
if(block->objects[i].ObjectNameTitleIndex == objind)
{
obj = &(block->objects[i]);
}
}
return obj;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_add_counter(struct PERF_DATA_BLOCK *block,
TALLOC_CTX *mem_ctx,
int num,
TDB_DATA data,
TDB_CONTEXT *names)
{
char *begin, *end, *start, *stop;
int parent;
struct PERF_OBJECT_TYPE *obj;
bool success = True;
char buf[PERFCOUNT_MAX_LEN];
obj = NULL;
memset(buf, 0, PERFCOUNT_MAX_LEN);
memcpy(buf, data.dptr, data.dsize);
begin = strchr(buf, '[');
end = strchr(buf, ']');
if(begin == NULL || end == NULL)
return False;
start = begin+1;
while(start < end) {
stop = strchr(start, ',');
if(stop == NULL)
stop = end;
*stop = '\0';
parent = atoi(start);
obj = _reg_perfcount_find_obj(block, parent);
if(obj == NULL) {
/* At this point we require that the parent object exist.
This can probably be handled better at some later time */
DEBUG(3, ("_reg_perfcount_add_counter: Could not find parent object [%d] for counter [%d].\n",
parent, num));
return False;
}
obj->counters = (struct PERF_COUNTER_DEFINITION *)talloc_realloc(mem_ctx,
obj->counters,
struct PERF_COUNTER_DEFINITION,
obj->NumCounters+1);
if(obj->counters == NULL)
return False;
memset((void *)&(obj->counters[obj->NumCounters]), 0, sizeof(struct PERF_COUNTER_DEFINITION));
obj->counters[obj->NumCounters].CounterNameTitleIndex=num;
obj->counters[obj->NumCounters].CounterHelpTitleIndex=num+1;
obj->counters[obj->NumCounters].DetailLevel = PERF_DETAIL_NOVICE;
obj->counters[obj->NumCounters].ByteLength = sizeof(struct PERF_COUNTER_DEFINITION);
success = _reg_perfcount_get_counter_info(block, mem_ctx, num, obj, names);
obj->NumCounters += 1;
start = stop + 1;
}
/* Handle case of Objects/Counters without any counter data, which would suggest
that the required instances are not there yet, so change NumInstances from
PERF_NO_INSTANCES to 0 */
return success;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_get_instance_info(struct PERF_INSTANCE_DEFINITION *inst,
TALLOC_CTX *mem_ctx,
int instId,
struct PERF_OBJECT_TYPE *obj,
TDB_CONTEXT *names)
{
TDB_DATA key, data;
char buf[PERFCOUNT_MAX_LEN] = {0};
char temp[32] = {0};
smb_ucs2_t *name = NULL;
int pad;
/* First grab the instance data from the data file */
snprintf(temp, sizeof(temp), "i%d", instId);
_reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, obj->ObjectNameTitleIndex, temp);
if (!_reg_perfcount_get_counter_data(key, &data)) {
DEBUG(3, ("_reg_perfcount_get_counter_data failed\n"));
return false;
}
if(data.dptr == NULL)
{
DEBUG(3, ("_reg_perfcount_get_instance_info: No instance data for instance [%s].\n",
buf));
return False;
}
inst->counter_data.ByteLength = data.dsize + sizeof(inst->counter_data.ByteLength);
inst->counter_data.data = talloc_realloc(mem_ctx,
inst->counter_data.data,
uint8_t,
data.dsize);
if(inst->counter_data.data == NULL)
return False;
memset(inst->counter_data.data, 0, data.dsize);
memcpy(inst->counter_data.data, data.dptr, data.dsize);
SAFE_FREE(data.dptr);
/* Fetch instance name */
snprintf(temp, sizeof(temp), "i%dname", instId);
_reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, obj->ObjectNameTitleIndex, temp);
data = tdb_fetch(names, key);
if(data.dptr == NULL)
{
/* Not actually an error, but possibly unintended? -- just logging FYI */
DEBUG(3, ("_reg_perfcount_get_instance_info: No instance name for instance [%s].\n",
buf));
inst->NameLength = 0;
}
else
{
memset(buf, 0, PERFCOUNT_MAX_LEN);
memcpy(buf, data.dptr, MIN(PERFCOUNT_MAX_LEN-1,data.dsize));
buf[PERFCOUNT_MAX_LEN-1] = '\0';
inst->NameLength = rpcstr_push_talloc(mem_ctx, &name, buf);
if (inst->NameLength == (uint32_t)-1 || !name) {
SAFE_FREE(data.dptr);
return False;
}
inst->data = talloc_realloc(mem_ctx,
inst->data,
uint8_t,
inst->NameLength);
if (inst->data == NULL) {
SAFE_FREE(data.dptr);
return False;
}
memcpy(inst->data, name, inst->NameLength);
SAFE_FREE(data.dptr);
}
inst->ParentObjectTitleIndex = 0;
inst->ParentObjectTitlePointer = 0;
inst->UniqueID = PERF_NO_UNIQUE_ID;
inst->NameOffset = 6 * sizeof(uint32_t);
inst->ByteLength = inst->NameOffset + inst->NameLength;
/* Need to be aligned on a 64-bit boundary here for counter_data */
if((pad = (inst->ByteLength % 8)))
{
pad = 8 - pad;
inst->data = talloc_realloc(mem_ctx,
inst->data,
uint8_t,
inst->NameLength + pad);
memset(inst->data + inst->NameLength, 0, pad);
inst->ByteLength += pad;
}
return True;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_add_instance(struct PERF_OBJECT_TYPE *obj,
TALLOC_CTX *mem_ctx,
int instInd,
TDB_CONTEXT *names)
{
struct PERF_INSTANCE_DEFINITION *inst;
if(obj->instances == NULL) {
obj->instances = talloc_realloc(mem_ctx,
obj->instances,
struct PERF_INSTANCE_DEFINITION,
obj->NumInstances);
}
if(obj->instances == NULL)
return False;
memset(&(obj->instances[instInd]), 0, sizeof(struct PERF_INSTANCE_DEFINITION));
inst = &(obj->instances[instInd]);
return _reg_perfcount_get_instance_info(inst, mem_ctx, instInd, obj, names);
}
/*********************************************************************
*********************************************************************/
static int _reg_perfcount_assemble_global(struct PERF_DATA_BLOCK *block,
TALLOC_CTX *mem_ctx,
int base_index,
TDB_CONTEXT *names)
{
bool success;
int i, j, retval = 0;
char keybuf[PERFCOUNT_MAX_LEN];
TDB_DATA key, data;
for(i = 1; i <= base_index; i++)
{
j = i*2;
_reg_perfcount_make_key(&key, keybuf, PERFCOUNT_MAX_LEN, j, "rel");
data = tdb_fetch(names, key);
if(data.dptr != NULL)
{
if(_reg_perfcount_isparent(data))
success = _reg_perfcount_add_object(block, mem_ctx, j, data, names);
else if(_reg_perfcount_ischild(data))
success = _reg_perfcount_add_counter(block, mem_ctx, j, data, names);
else
{
DEBUG(3, ("Bogus relationship [%s] for counter [%d].\n", data.dptr, j));
success = False;
}
if(success == False)
{
DEBUG(3, ("_reg_perfcount_assemble_global: Failed to add new relationship for counter [%d].\n", j));
retval = -1;
}
SAFE_FREE(data.dptr);
}
else
DEBUG(3, ("NULL relationship for counter [%d] using key [%s].\n", j, keybuf));
}
return retval;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_get_64(uint64_t *retval,
TDB_CONTEXT *tdb,
int key_part1,
const char *key_part2)
{
TDB_DATA key, data;
char buf[PERFCOUNT_MAX_LEN];
_reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, key_part1, key_part2);
data = tdb_fetch(tdb, key);
if(data.dptr == NULL)
{
DEBUG(3,("_reg_perfcount_get_64: No data found for key [%s].\n", key.dptr));
return False;
}
memset(buf, 0, PERFCOUNT_MAX_LEN);
memcpy(buf, data.dptr, data.dsize);
SAFE_FREE(data.dptr);
*retval = atof(buf);
return True;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_init_data_block_perf(struct PERF_DATA_BLOCK *block,
TDB_CONTEXT *names)
{
uint64_t PerfFreq, PerfTime, PerfTime100nSec;
TDB_CONTEXT *counters;
bool status = False;
char *fname;
fname = counters_directory(DATA_DB);
if (fname == NULL) {
return false;
}
counters = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
if (counters == NULL) {
DEBUG(1, ("reg_perfcount_init_data_block_perf: unable to open [%s].\n", fname));
TALLOC_FREE(fname);
return False;
}
TALLOC_FREE(fname);
status = _reg_perfcount_get_64(&PerfFreq, names, 0, "PerfFreq");
if(status == False)
{
tdb_close(counters);
return status;
}
memcpy((void *)&(block->PerfFreq), (const void *)&PerfFreq, sizeof(PerfFreq));
status = _reg_perfcount_get_64(&PerfTime, counters, 0, "PerfTime");
if(status == False)
{
tdb_close(counters);
return status;
}
memcpy((void *)&(block->PerfTime), (const void *)&PerfTime, sizeof(PerfTime));
status = _reg_perfcount_get_64(&PerfTime100nSec, counters, 0, "PerfTime100nSec");
if(status == False)
{
tdb_close(counters);
return status;
}
memcpy((void *)&(block->PerfTime100nSec), (const void *)&PerfTime100nSec, sizeof(PerfTime100nSec));
tdb_close(counters);
return True;
}
/*******************************************************************
********************************************************************/
static bool make_systemtime(struct SYSTEMTIME *systime, struct tm *unixtime)
{
systime->year=unixtime->tm_year+1900;
systime->month=unixtime->tm_mon+1;
systime->dayofweek=unixtime->tm_wday;
systime->day=unixtime->tm_mday;
systime->hour=unixtime->tm_hour;
systime->minute=unixtime->tm_min;
systime->second=unixtime->tm_sec;
systime->milliseconds=0;
return True;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_init_data_block(struct PERF_DATA_BLOCK *block,
TALLOC_CTX *mem_ctx, TDB_CONTEXT *names,
bool bigendian_data)
{
smb_ucs2_t *temp = NULL;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
time_t tm;
size_t sz;
sz = rpcstr_push_talloc(tmp_ctx, &temp, "PERF");
if ((sz == -1) || (temp == NULL)) {
goto err_out;
}
memcpy(block->Signature, temp, strlen_w(temp) *2);
if(bigendian_data)
block->LittleEndian = 0;
else
block->LittleEndian = 1;
block->Version = 1;
block->Revision = 1;
block->TotalByteLength = 0;
block->NumObjectTypes = 0;
block->DefaultObject = -1;
block->objects = NULL;
tm = time(NULL);
make_systemtime(&(block->SystemTime), gmtime(&tm));
_reg_perfcount_init_data_block_perf(block, names);
sz = rpcstr_push_talloc(tmp_ctx, &temp, lp_netbios_name());
if ((sz == -1) || (temp == NULL)) {
goto err_out;
}
block->SystemNameLength = (strlen_w(temp) * 2) + 2;
block->data = talloc_zero_array(mem_ctx, uint8_t, block->SystemNameLength + (8 - (block->SystemNameLength % 8)));
if (block->data == NULL) {
goto err_out;
}
memcpy(block->data, temp, block->SystemNameLength);
block->SystemNameOffset = sizeof(struct PERF_DATA_BLOCK) - sizeof(block->objects) - sizeof(block->data);
block->HeaderLength = block->SystemNameOffset + block->SystemNameLength;
/* Make sure to adjust for 64-bit alignment for when we finish writing the system name,
so that the PERF_OBJECT_TYPE struct comes out 64-bit aligned */
block->HeaderLength += 8 - (block->HeaderLength % 8);
talloc_free(tmp_ctx);
return true;
err_out:
talloc_free(tmp_ctx);
return false;
}
/*********************************************************************
*********************************************************************/
static uint32_t _reg_perfcount_perf_data_block_fixup(struct PERF_DATA_BLOCK *block, TALLOC_CTX *mem_ctx)
{
int obj, cnt, inst, pad, i;
struct PERF_OBJECT_TYPE *object;
struct PERF_INSTANCE_DEFINITION *instance;
struct PERF_COUNTER_DEFINITION *counter;
struct PERF_COUNTER_BLOCK *counter_data;
char *temp = NULL, *src_addr, *dst_addr;
block->TotalByteLength = 0;
object = block->objects;
for(obj = 0; obj < block->NumObjectTypes; obj++)
{
object[obj].TotalByteLength = 0;
object[obj].DefinitionLength = 0;
instance = object[obj].instances;
counter = object[obj].counters;
for(cnt = 0; cnt < object[obj].NumCounters; cnt++)
{
object[obj].TotalByteLength += counter[cnt].ByteLength;
object[obj].DefinitionLength += counter[cnt].ByteLength;
}
if(object[obj].NumInstances != PERF_NO_INSTANCES)
{
for(inst = 0; inst < object[obj].NumInstances; inst++)
{
instance = &(object[obj].instances[inst]);
object[obj].TotalByteLength += instance->ByteLength;
counter_data = &(instance->counter_data);
counter = &(object[obj].counters[object[obj].NumCounters - 1]);
counter_data->ByteLength = counter->CounterOffset + counter->CounterSize + sizeof(counter_data->ByteLength);
temp = talloc_realloc(mem_ctx,
temp,
char,
counter_data->ByteLength- sizeof(counter_data->ByteLength));
if (temp == NULL) {
return 0;
}
memset(temp, 0, counter_data->ByteLength - sizeof(counter_data->ByteLength));
src_addr = (char *)counter_data->data;
for(i = 0; i < object[obj].NumCounters; i++)
{
counter = &(object[obj].counters[i]);
dst_addr = temp + counter->CounterOffset - sizeof(counter_data->ByteLength);
memcpy(dst_addr, src_addr, counter->CounterSize);
src_addr += counter->CounterSize;
}
/* Make sure to be 64-bit aligned */
if((pad = (counter_data->ByteLength % 8)))
{
pad = 8 - pad;
}
counter_data->data = talloc_realloc(mem_ctx,
counter_data->data,
uint8_t,
counter_data->ByteLength - sizeof(counter_data->ByteLength) + pad);
if (counter_data->data == NULL) {
return 0;
}
memset(counter_data->data, 0, counter_data->ByteLength - sizeof(counter_data->ByteLength) + pad);
memcpy(counter_data->data, temp, counter_data->ByteLength - sizeof(counter_data->ByteLength));
counter_data->ByteLength += pad;
object[obj].TotalByteLength += counter_data->ByteLength;
}
}
else
{
/* Need to be 64-bit aligned at the end of the counter_data block, so pad counter_data to a 64-bit boundary,
so that the next PERF_OBJECT_TYPE can start on a 64-bit alignment */
if((pad = (object[obj].counter_data.ByteLength % 8)))
{
pad = 8 - pad;
object[obj].counter_data.data = talloc_realloc(mem_ctx,
object[obj].counter_data.data,
uint8_t,
object[obj].counter_data.ByteLength + pad);
memset((void *)(object[obj].counter_data.data + object[obj].counter_data.ByteLength), 0, pad);
object[obj].counter_data.ByteLength += pad;
}
object[obj].TotalByteLength += object[obj].counter_data.ByteLength;
}
object[obj].HeaderLength = sizeof(*object) - (sizeof(counter) + sizeof(instance) + sizeof(struct PERF_COUNTER_BLOCK));
object[obj].TotalByteLength += object[obj].HeaderLength;
object[obj].DefinitionLength += object[obj].HeaderLength;
block->TotalByteLength += object[obj].TotalByteLength;
}
return block->TotalByteLength;
}
/*********************************************************************
*********************************************************************/
static uint32_t reg_perfcount_get_perf_data_block(uint32_t base_index,
TALLOC_CTX *mem_ctx,
struct PERF_DATA_BLOCK *block,
const char *object_ids,
bool bigendian_data)
{
uint32_t buffer_size = 0;
char *fname;
TDB_CONTEXT *names;
int retval = 0;
fname = counters_directory(NAMES_DB);
if (fname == NULL) {
return 0;
}
names = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
if(names == NULL)
{
DEBUG(1, ("reg_perfcount_get_perf_data_block: unable to open [%s].\n", fname));
TALLOC_FREE(fname);
return 0;
}
TALLOC_FREE(fname);
if (!_reg_perfcount_init_data_block(block, mem_ctx, names, bigendian_data)) {
DEBUG(0, ("_reg_perfcount_init_data_block failed\n"));
tdb_close(names);
return 0;
}
retval = _reg_perfcount_assemble_global(block, mem_ctx, base_index, names);
buffer_size = _reg_perfcount_perf_data_block_fixup(block, mem_ctx);
tdb_close(names);
if (retval == -1) {
return 0;
}
return buffer_size + block->HeaderLength;
}
/*******************************************************************
********************************************************************/
static bool smb_io_system_time(const char *desc, prs_struct *ps, int depth, struct SYSTEMTIME *systime)
{
if(!prs_uint16("year", ps, depth, &systime->year))
return False;
if(!prs_uint16("month", ps, depth, &systime->month))
return False;
if(!prs_uint16("dayofweek", ps, depth, &systime->dayofweek))
return False;
if(!prs_uint16("day", ps, depth, &systime->day))
return False;
if(!prs_uint16("hour", ps, depth, &systime->hour))
return False;
if(!prs_uint16("minute", ps, depth, &systime->minute))
return False;
if(!prs_uint16("second", ps, depth, &systime->second))
return False;
if(!prs_uint16("milliseconds", ps, depth, &systime->milliseconds))
return False;
return True;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_marshall_perf_data_block(prs_struct *ps, struct PERF_DATA_BLOCK block, int depth)
{
int i;
prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_data_block");
depth++;
if(!prs_align(ps))
return False;
for(i = 0; i < 4; i++)
{
if(!prs_uint16("Signature", ps, depth, &block.Signature[i]))
return False;
}
if(!prs_uint32("Little Endian", ps, depth, &block.LittleEndian))
return False;
if(!prs_uint32("Version", ps, depth, &block.Version))
return False;
if(!prs_uint32("Revision", ps, depth, &block.Revision))
return False;
if(!prs_uint32("TotalByteLength", ps, depth, &block.TotalByteLength))
return False;
if(!prs_uint32("HeaderLength", ps, depth, &block.HeaderLength))
return False;
if(!prs_uint32("NumObjectTypes", ps, depth, &block.NumObjectTypes))
return False;
if(!prs_uint32("DefaultObject", ps, depth, &block.DefaultObject))
return False;
if(!smb_io_system_time("SystemTime", ps, depth, &block.SystemTime))
return False;
if(!prs_uint32("Padding", ps, depth, &block.Padding))
return False;
if(!prs_align_uint64(ps))
return False;
if(!prs_uint64("PerfTime", ps, depth, &block.PerfTime))
return False;
if(!prs_uint64("PerfFreq", ps, depth, &block.PerfFreq))
return False;
if(!prs_uint64("PerfTime100nSec", ps, depth, &block.PerfTime100nSec))
return False;
if(!prs_uint32("SystemNameLength", ps, depth, &block.SystemNameLength))
return False;
if(!prs_uint32("SystemNameOffset", ps, depth, &block.SystemNameOffset))
return False;
/* hack to make sure we're 64-bit aligned at the end of this whole mess */
if(!prs_uint8s(False, "SystemName", ps, depth, block.data,
block.HeaderLength - block.SystemNameOffset))
return False;
return True;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_marshall_perf_counters(prs_struct *ps,
struct PERF_OBJECT_TYPE object,
int depth)
{
int cnt;
struct PERF_COUNTER_DEFINITION counter;
prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_counters");
depth++;
for(cnt = 0; cnt < object.NumCounters; cnt++)
{
counter = object.counters[cnt];
if(!prs_align(ps))
return False;
if(!prs_uint32("ByteLength", ps, depth, &counter.ByteLength))
return False;
if(!prs_uint32("CounterNameTitleIndex", ps, depth, &counter.CounterNameTitleIndex))
return False;
if(!prs_uint32("CounterNameTitlePointer", ps, depth, &counter.CounterNameTitlePointer))
return False;
if(!prs_uint32("CounterHelpTitleIndex", ps, depth, &counter.CounterHelpTitleIndex))
return False;
if(!prs_uint32("CounterHelpTitlePointer", ps, depth, &counter.CounterHelpTitlePointer))
return False;
if(!prs_uint32("DefaultScale", ps, depth, &counter.DefaultScale))
return False;
if(!prs_uint32("DetailLevel", ps, depth, &counter.DetailLevel))
return False;
if(!prs_uint32("CounterType", ps, depth, &counter.CounterType))
return False;
if(!prs_uint32("CounterSize", ps, depth, &counter.CounterSize))
return False;
if(!prs_uint32("CounterOffset", ps, depth, &counter.CounterOffset))
return False;
}
return True;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_marshall_perf_counter_data(prs_struct *ps,
struct PERF_COUNTER_BLOCK counter_data,
int depth)
{
prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_counter_data");
depth++;
if(!prs_align_uint64(ps))
return False;
if(!prs_uint32("ByteLength", ps, depth, &counter_data.ByteLength))
return False;
if(!prs_uint8s(False, "CounterData", ps, depth, counter_data.data, counter_data.ByteLength - sizeof(uint32_t)))
return False;
if(!prs_align_uint64(ps))
return False;
return True;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_marshall_perf_instances(prs_struct *ps,
struct PERF_OBJECT_TYPE object,
int depth)
{
struct PERF_INSTANCE_DEFINITION instance;
int inst;
prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_instances");
depth++;
for(inst = 0; inst < object.NumInstances; inst++)
{
instance = object.instances[inst];
if(!prs_align(ps))
return False;
if(!prs_uint32("ByteLength", ps, depth, &instance.ByteLength))
return False;
if(!prs_uint32("ParentObjectTitleIndex", ps, depth, &instance.ParentObjectTitleIndex))
return False;
if(!prs_uint32("ParentObjectTitlePointer", ps, depth, &instance.ParentObjectTitlePointer))
return False;
if(!prs_uint32("UniqueID", ps, depth, &instance.UniqueID))
return False;
if(!prs_uint32("NameOffset", ps, depth, &instance.NameOffset))
return False;
if(!prs_uint32("NameLength", ps, depth, &instance.NameLength))
return False;
if(!prs_uint8s(False, "InstanceName", ps, depth, instance.data,
instance.ByteLength - instance.NameOffset))
return False;
if(_reg_perfcount_marshall_perf_counter_data(ps, instance.counter_data, depth) == False)
return False;
}
return True;
}
/*********************************************************************
*********************************************************************/
static bool _reg_perfcount_marshall_perf_objects(prs_struct *ps, struct PERF_DATA_BLOCK block, int depth)
{
int obj;
struct PERF_OBJECT_TYPE object;
prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_objects");
depth++;
for(obj = 0; obj < block.NumObjectTypes; obj++)
{
object = block.objects[obj];
if(!prs_align(ps))
return False;
if(!prs_uint32("TotalByteLength", ps, depth, &object.TotalByteLength))
return False;
if(!prs_uint32("DefinitionLength", ps, depth, &object.DefinitionLength))
return False;
if(!prs_uint32("HeaderLength", ps, depth, &object.HeaderLength))
return False;
if(!prs_uint32("ObjectNameTitleIndex", ps, depth, &object.ObjectNameTitleIndex))
return False;
if(!prs_uint32("ObjectNameTitlePointer", ps, depth, &object.ObjectNameTitlePointer))
return False;
if(!prs_uint32("ObjectHelpTitleIndex", ps, depth, &object.ObjectHelpTitleIndex))
return False;
if(!prs_uint32("ObjectHelpTitlePointer", ps, depth, &object.ObjectHelpTitlePointer))
return False;
if(!prs_uint32("DetailLevel", ps, depth, &object.DetailLevel))
return False;
if(!prs_uint32("NumCounters", ps, depth, &object.NumCounters))
return False;
if(!prs_uint32("DefaultCounter", ps, depth, &object.DefaultCounter))
return False;
if(!prs_uint32("NumInstances", ps, depth, &object.NumInstances))
return False;
if(!prs_uint32("CodePage", ps, depth, &object.CodePage))
return False;
if(!prs_align_uint64(ps))
return False;
if(!prs_uint64("PerfTime", ps, depth, &object.PerfTime))
return False;
if(!prs_uint64("PerfFreq", ps, depth, &object.PerfFreq))
return False;
/* Now do the counters */
/* If no instances, encode counter_data */
/* If instances, encode instace plus counter data for each instance */
if(_reg_perfcount_marshall_perf_counters(ps, object, depth) == False)
return False;
if(object.NumInstances == PERF_NO_INSTANCES)
{
if(_reg_perfcount_marshall_perf_counter_data(ps, object.counter_data, depth) == False)
return False;
}
else
{
if(_reg_perfcount_marshall_perf_instances(ps, object, depth) == False)
return False;
}
}
return True;
}
/*********************************************************************
*********************************************************************/
WERROR reg_perfcount_get_hkpd(prs_struct *ps, uint32_t max_buf_size, uint32_t *outbuf_len, const char *object_ids)
{
/*
* For a detailed description of the layout of this structure,
* see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/perfmon/base/performance_data_format.asp
*
* By 2006-11-23 this link did not work anymore, I found something
* promising under
* http://msdn2.microsoft.com/en-us/library/aa373105.aspx -- vl
*/
struct PERF_DATA_BLOCK block;
uint32_t buffer_size, base_index;
buffer_size = 0;
base_index = reg_perfcount_get_base_index();
ZERO_STRUCT(block);
buffer_size = reg_perfcount_get_perf_data_block(base_index, ps->mem_ctx, &block, object_ids, ps->bigendian_data);
if(buffer_size < max_buf_size)
{
*outbuf_len = buffer_size;
if (!_reg_perfcount_marshall_perf_data_block(ps, block, 0))
return WERR_NOT_ENOUGH_MEMORY;
if (!_reg_perfcount_marshall_perf_objects(ps, block, 0))
return WERR_NOT_ENOUGH_MEMORY;
return WERR_OK;
}
else
{
*outbuf_len = max_buf_size;
if (!_reg_perfcount_marshall_perf_data_block(ps, block, 0))
return WERR_NOT_ENOUGH_MEMORY;
return WERR_INSUFFICIENT_BUFFER;
}
}