| 1 | /*
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| 2 | * Unix SMB/CIFS implementation.
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| 3 | * Virtual Windows Registry Layer
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| 4 | * Copyright (C) Gerald Carter 2002-2005
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| 5 | * Copyright (C) Michael Adam 2008
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| 6 | *
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| 7 | * This program is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * This program is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 |
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| 21 | /*
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| 22 | * perflib registry backend.
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| 23 | *
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| 24 | * This is a virtual overlay, dynamically presenting perflib values.
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| 25 | */
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| 26 |
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| 27 | #include "includes.h"
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| 28 |
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| 29 | #undef DBGC_CLASS
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| 30 | #define DBGC_CLASS DBGC_REGISTRY
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| 31 |
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| 32 | extern struct registry_ops regdb_ops;
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| 33 |
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| 34 | #define KEY_PERFLIB_NORM "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PERFLIB"
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| 35 | #define KEY_PERFLIB_009_NORM "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PERFLIB/009"
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| 36 |
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| 37 | static int perflib_params(struct regval_ctr *regvals)
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| 38 | {
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| 39 | int base_index = -1;
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| 40 | int last_counter = -1;
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| 41 | int last_help = -1;
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| 42 | int version = 0x00010001;
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| 43 |
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| 44 | base_index = reg_perfcount_get_base_index();
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| 45 | regval_ctr_addvalue(regvals, "Base Index", REG_DWORD, (char *)&base_index, sizeof(base_index));
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| 46 | last_counter = reg_perfcount_get_last_counter(base_index);
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| 47 | regval_ctr_addvalue(regvals, "Last Counter", REG_DWORD, (char *)&last_counter, sizeof(last_counter));
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| 48 | last_help = reg_perfcount_get_last_help(last_counter);
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| 49 | regval_ctr_addvalue(regvals, "Last Help", REG_DWORD, (char *)&last_help, sizeof(last_help));
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| 50 | regval_ctr_addvalue(regvals, "Version", REG_DWORD, (char *)&version, sizeof(version));
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| 51 |
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| 52 | return regval_ctr_numvals( regvals );
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| 53 | }
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| 54 |
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| 55 | static int perflib_009_params(struct regval_ctr *regvals)
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| 56 | {
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| 57 | int base_index;
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| 58 | int buffer_size;
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| 59 | char *buffer = NULL;
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| 60 |
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| 61 | base_index = reg_perfcount_get_base_index();
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| 62 | buffer_size = reg_perfcount_get_counter_names(base_index, &buffer);
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| 63 | regval_ctr_addvalue(regvals, "Counter", REG_MULTI_SZ, buffer, buffer_size);
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| 64 | if(buffer_size > 0)
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| 65 | SAFE_FREE(buffer);
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| 66 | buffer_size = reg_perfcount_get_counter_help(base_index, &buffer);
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| 67 | regval_ctr_addvalue(regvals, "Help", REG_MULTI_SZ, buffer, buffer_size);
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| 68 | if(buffer_size > 0)
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| 69 | SAFE_FREE(buffer);
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| 70 |
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| 71 | return regval_ctr_numvals( regvals );
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| 72 | }
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| 73 |
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| 74 | static int perflib_fetch_values(const char *key, struct regval_ctr *regvals)
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| 75 | {
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| 76 | char *path = NULL;
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| 77 | TALLOC_CTX *ctx = talloc_tos();
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| 78 |
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| 79 | path = talloc_strdup(ctx, key);
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| 80 | if (path == NULL) {
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| 81 | return -1;
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| 82 | }
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| 83 | path = normalize_reg_path(ctx, path);
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| 84 | if (path == NULL) {
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| 85 | return -1;
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| 86 | }
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| 87 |
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| 88 | if (strncmp(path, KEY_PERFLIB_NORM, strlen(path)) == 0) {
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| 89 | return perflib_params(regvals);
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| 90 | } else if (strncmp(path, KEY_PERFLIB_009_NORM, strlen(path)) == 0) {
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| 91 | return perflib_009_params(regvals);
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| 92 | } else {
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| 93 | return 0;
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| 94 | }
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| 95 | }
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| 96 |
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| 97 | static int perflib_fetch_subkeys(const char *key,
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| 98 | struct regsubkey_ctr *subkey_ctr)
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| 99 | {
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| 100 | return regdb_ops.fetch_subkeys(key, subkey_ctr);
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| 101 | }
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| 102 |
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| 103 | struct registry_ops perflib_reg_ops = {
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| 104 | .fetch_values = perflib_fetch_values,
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| 105 | .fetch_subkeys = perflib_fetch_subkeys,
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| 106 | };
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