/* * 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 <http://www.gnu.org/licenses/>. */ #include "includes.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" PERF_OBJECT_TYPE *_reg_perfcount_find_obj(PERF_DATA_BLOCK *block, int objind); /********************************************************************* *********************************************************************/ static char *counters_directory(const char *dbname) { char *path = NULL; char *ret = NULL; TALLOC_CTX *ctx = talloc_tos(); if (!dbname) return NULL; path = talloc_asprintf(ctx, "%s/%s", PERFCOUNTDIR, dbname); if (!path) { return NULL; } ret = talloc_strdup(ctx, state_path(path)); TALLOC_FREE(path); return ret; } /********************************************************************* *********************************************************************/ void perfcount_init_keys( void ) { char *p = state_path(PERFCOUNTDIR); /* no registry keys; just create the perfmon directory */ if ( !directory_exist( p, NULL ) ) mkdir( p, 0755 ); return; } /********************************************************************* *********************************************************************/ uint32 reg_perfcount_get_base_index(void) { const char *fname = counters_directory( NAMES_DB ); TDB_CONTEXT *names; TDB_DATA kbuf, dbuf; char key[] = "1"; uint32 retval = 0; char buf[PERFCOUNT_MAX_LEN]; names = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444); if ( !names ) { DEBUG(1, ("reg_perfcount_get_base_index: unable to open [%s].\n", 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> even_num+1 perf_counter<even_num>_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); return 0; } else { tdb_close(names); memset(buf, 0, PERFCOUNT_MAX_LEN); memcpy(buf, dbuf.dptr, dbuf.dsize); retval = (uint32)atoi(buf); SAFE_FREE(dbuf.dptr); return retval; } return 0; } /********************************************************************* *********************************************************************/ uint32 reg_perfcount_get_last_counter(uint32 base_index) { uint32 retval; if(base_index == 0) retval = 0; else retval = base_index * 2; return retval; } /********************************************************************* *********************************************************************/ uint32 reg_perfcount_get_last_help(uint32 last_counter) { uint32 retval; if(last_counter == 0) retval = 0; else retval = last_counter + 1; return retval; } /********************************************************************* *********************************************************************/ static uint32 _reg_perfcount_multi_sz_from_tdb(TDB_CONTEXT *tdb, int keyval, char **retbuf, uint32 buffer_size) { TDB_DATA kbuf, dbuf; char temp[256]; char *buf1 = *retbuf; uint32 working_size = 0; UNISTR2 name_index, name; memset(temp, 0, sizeof(temp)); 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); buf1 = (char *)SMB_REALLOC(buf1, buffer_size + working_size); if(!buf1) { buffer_size = 0; return buffer_size; } init_unistr2(&name_index, (const char *)kbuf.dptr, UNI_STR_TERMINATE); memcpy(buf1+buffer_size, (char *)name_index.buffer, working_size); buffer_size += working_size; /* Now encode the actual name */ working_size = (dbuf.dsize + 1)*sizeof(uint16); buf1 = (char *)SMB_REALLOC(buf1, buffer_size + working_size); if(!buf1) { buffer_size = 0; return buffer_size; } memset(temp, 0, sizeof(temp)); memcpy(temp, dbuf.dptr, dbuf.dsize); SAFE_FREE(dbuf.dptr); init_unistr2(&name, temp, UNI_STR_TERMINATE); memcpy(buf1+buffer_size, (char *)name.buffer, working_size); buffer_size += working_size; *retbuf = buf1; return buffer_size; } /********************************************************************* *********************************************************************/ uint32 reg_perfcount_get_counter_help(uint32 base_index, char **retbuf) { char *buf1 = NULL; uint32 buffer_size = 0; TDB_CONTEXT *names; const char *fname = counters_directory( NAMES_DB ); int i; if(base_index == 0) 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)); return 0; } 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 reg_perfcount_get_counter_names(uint32 base_index, char **retbuf) { char *buf1 = NULL; uint32 buffer_size = 0; TDB_CONTEXT *names; const char *fname = counters_directory( NAMES_DB ); int i; if(base_index == 0) 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)); return 0; } 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 _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)PERF_NO_INSTANCES; memset(buf, 0, PERFCOUNT_MAX_LEN); memcpy(buf, data.dptr, data.dsize); SAFE_FREE(data.dptr); return (uint32)atoi(buf); } /********************************************************************* *********************************************************************/ static bool _reg_perfcount_add_object(PERF_DATA_BLOCK *block, prs_struct *ps, int num, TDB_DATA data, TDB_CONTEXT *names) { int i; bool success = True; PERF_OBJECT_TYPE *obj; block->objects = (PERF_OBJECT_TYPE *)TALLOC_REALLOC_ARRAY(ps->mem_ctx, block->objects, 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(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); 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, ps, i, names); } return success; } /********************************************************************* *********************************************************************/ bool _reg_perfcount_get_counter_data(TDB_DATA key, TDB_DATA *data) { TDB_CONTEXT *counters; const char *fname = counters_directory( DATA_DB ); 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)); return False; } *data = tdb_fetch(counters, key); tdb_close(counters); return True; } /********************************************************************* *********************************************************************/ static uint32 _reg_perfcount_get_size_field(uint32 CounterType) { uint32 retval; retval = CounterType; /* First mask out reserved lower 8 bits */ retval = retval & 0xFFFFFF00; retval = retval << 22; retval = retval >> 22; return retval; } /********************************************************************* *********************************************************************/ static uint32 _reg_perfcount_compute_scale(SMB_BIG_INT data) { int scale = 0; if(data == 0) return scale; while(data > 100) { data /= 10; scale--; } while(data < 10) { data *= 10; scale++; } return (uint32)scale; } /********************************************************************* *********************************************************************/ static bool _reg_perfcount_get_counter_info(PERF_DATA_BLOCK *block, prs_struct *ps, int CounterIndex, 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]; SMB_BIG_INT data64; uint32 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((SMB_BIG_INT)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_ARRAY(ps->mem_ctx, obj->counter_data.data, uint8, obj->counter_data.ByteLength - sizeof(uint32)); 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) + dsize))), (const void *)dbuf, dsize); } else { /* Handling PERF_SIZE_VARIABLE_LEN */ memcpy((void *)(obj->counter_data.data + (obj->counter_data.ByteLength - (sizeof(uint32) + 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; } /********************************************************************* *********************************************************************/ PERF_OBJECT_TYPE *_reg_perfcount_find_obj(PERF_DATA_BLOCK *block, int objind) { int i; 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(PERF_DATA_BLOCK *block, prs_struct *ps, int num, TDB_DATA data, TDB_CONTEXT *names) { char *begin, *end, *start, *stop; int parent; 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 = index(buf, '['); end = index(buf, ']'); if(begin == NULL || end == NULL) return False; start = begin+1; while(start < end) { stop = index(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 = (PERF_COUNTER_DEFINITION *)TALLOC_REALLOC_ARRAY(ps->mem_ctx, obj->counters, PERF_COUNTER_DEFINITION, obj->NumCounters+1); if(obj->counters == NULL) return False; memset((void *)&(obj->counters[obj->NumCounters]), 0, sizeof(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(PERF_COUNTER_DEFINITION); success = _reg_perfcount_get_counter_info(block, ps, 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; } /********************************************************************* *********************************************************************/ bool _reg_perfcount_get_instance_info(PERF_INSTANCE_DEFINITION *inst, prs_struct *ps, int instId, PERF_OBJECT_TYPE *obj, TDB_CONTEXT *names) { TDB_DATA key, data; char buf[PERFCOUNT_MAX_LEN], temp[PERFCOUNT_MAX_LEN]; smb_ucs2_t *name = NULL; int pad; /* First grab the instance data from the data file */ memset(temp, 0, PERFCOUNT_MAX_LEN); snprintf(temp, PERFCOUNT_MAX_LEN, "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_ARRAY(ps->mem_ctx, inst->counter_data.data, uint8, 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 */ memset(temp, 0, PERFCOUNT_MAX_LEN); snprintf(temp, PERFCOUNT_MAX_LEN, "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(ps->mem_ctx, &name, buf); if (inst->NameLength == (uint32_t)-1 || !name) { SAFE_FREE(data.dptr); return False; } inst->data = TALLOC_REALLOC_ARRAY(ps->mem_ctx, inst->data, uint8, 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); 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_ARRAY(ps->mem_ctx, inst->data, uint8, inst->NameLength + pad); memset(inst->data + inst->NameLength, 0, pad); inst->ByteLength += pad; } return True; } /********************************************************************* *********************************************************************/ bool _reg_perfcount_add_instance(PERF_OBJECT_TYPE *obj, prs_struct *ps, int instInd, TDB_CONTEXT *names) { PERF_INSTANCE_DEFINITION *inst; if(obj->instances == NULL) { obj->instances = TALLOC_REALLOC_ARRAY(ps->mem_ctx, obj->instances, PERF_INSTANCE_DEFINITION, obj->NumInstances); } if(obj->instances == NULL) return False; memset(&(obj->instances[instInd]), 0, sizeof(PERF_INSTANCE_DEFINITION)); inst = &(obj->instances[instInd]); return _reg_perfcount_get_instance_info(inst, ps, instInd, obj, names); } /********************************************************************* *********************************************************************/ static int _reg_perfcount_assemble_global(PERF_DATA_BLOCK *block, prs_struct *ps, 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, ps, j, data, names); else if(_reg_perfcount_ischild(data)) success = _reg_perfcount_add_counter(block, ps, 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(SMB_BIG_UINT *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(PERF_DATA_BLOCK *block, TDB_CONTEXT *names) { SMB_BIG_UINT PerfFreq, PerfTime, PerfTime100nSec; TDB_CONTEXT *counters; bool status = False; const char *fname = counters_directory( DATA_DB ); 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)); return False; } 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 _reg_perfcount_init_data_block(PERF_DATA_BLOCK *block, prs_struct *ps, TDB_CONTEXT *names) { smb_ucs2_t *temp = NULL; time_t tm; if (rpcstr_push_talloc(ps->mem_ctx, &temp, "PERF")==(size_t)-1) { return false; } if (!temp) { return false; } memcpy(block->Signature, temp, strlen_w(temp) *2); if(ps->bigendian_data == RPC_BIG_ENDIAN) 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); memset(temp, 0, sizeof(temp)); rpcstr_push((void *)temp, global_myname(), sizeof(temp), STR_TERMINATE); block->SystemNameLength = (strlen_w(temp) * 2) + 2; block->data = TALLOC_ZERO_ARRAY(ps->mem_ctx, uint8, block->SystemNameLength + (8 - (block->SystemNameLength % 8))); if (block->data == NULL) { return False; } memcpy(block->data, temp, block->SystemNameLength); block->SystemNameOffset = sizeof(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); return True; } /********************************************************************* *********************************************************************/ static uint32 _reg_perfcount_perf_data_block_fixup(PERF_DATA_BLOCK *block, prs_struct *ps) { int obj, cnt, inst, pad, i; PERF_OBJECT_TYPE *object; PERF_INSTANCE_DEFINITION *instance; PERF_COUNTER_DEFINITION *counter; 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_ARRAY(ps->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_ARRAY(ps->mem_ctx, counter_data->data, uint8, 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_ARRAY(ps->mem_ctx, object[obj].counter_data.data, uint8, 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(PERF_COUNTER_BLOCK)); object[obj].TotalByteLength += object[obj].HeaderLength; object[obj].DefinitionLength += object[obj].HeaderLength; block->TotalByteLength += object[obj].TotalByteLength; } return block->TotalByteLength; } /********************************************************************* *********************************************************************/ uint32 reg_perfcount_get_perf_data_block(uint32 base_index, prs_struct *ps, PERF_DATA_BLOCK *block, const char *object_ids) { uint32 buffer_size = 0; const char *fname = counters_directory( NAMES_DB ); TDB_CONTEXT *names; int retval = 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)); return 0; } if (!_reg_perfcount_init_data_block(block, ps, names)) { DEBUG(0, ("_reg_perfcount_init_data_block failed\n")); tdb_close(names); return 0; } reg_perfcount_get_last_counter(base_index); if(object_ids == NULL) { /* we're getting a request for "Global" here */ retval = _reg_perfcount_assemble_global(block, ps, base_index, names); } else { /* we're getting a request for a specific set of PERF_OBJECT_TYPES */ retval = _reg_perfcount_assemble_global(block, ps, base_index, names); } buffer_size = _reg_perfcount_perf_data_block_fixup(block, ps); tdb_close(names); if (retval == -1) { return 0; } return buffer_size + block->HeaderLength; } /********************************************************************* *********************************************************************/ static bool _reg_perfcount_marshall_perf_data_block(prs_struct *ps, 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(!spoolss_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, PERF_OBJECT_TYPE object, int depth) { int cnt; 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, 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))) return False; if(!prs_align_uint64(ps)) return False; return True; } /********************************************************************* *********************************************************************/ static bool _reg_perfcount_marshall_perf_instances(prs_struct *ps, PERF_OBJECT_TYPE object, int depth) { 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, PERF_DATA_BLOCK block, int depth) { int obj; 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; } /********************************************************************* *********************************************************************/ static bool _reg_perfcount_marshall_hkpd(prs_struct *ps, PERF_DATA_BLOCK block) { int depth = 0; if(_reg_perfcount_marshall_perf_data_block(ps, block, depth) == True) { if(_reg_perfcount_marshall_perf_objects(ps, block, depth) == True) return True; } return False; } /********************************************************************* *********************************************************************/ WERROR reg_perfcount_get_hkpd(prs_struct *ps, uint32 max_buf_size, uint32 *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 */ PERF_DATA_BLOCK block; uint32 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, &block, object_ids); if(buffer_size < max_buf_size) { *outbuf_len = buffer_size; if(_reg_perfcount_marshall_hkpd(ps, block) == True) return WERR_OK; else return WERR_NOMEM; } else { *outbuf_len = max_buf_size; _reg_perfcount_marshall_perf_data_block(ps, block, 0); return WERR_INSUFFICIENT_BUFFER; } }