1 /*
2  * Copyright 2009 Hans Leidekker for CodeWeavers
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17  */
18 
19 #pragma once
20 
21 #include "wine/debug.h"
22 #include "wine/heap.h"
23 #include "wine/list.h"
24 #include "wine/unicode.h"
25 
26 IClientSecurity client_security DECLSPEC_HIDDEN;
27 struct list *table_list DECLSPEC_HIDDEN;
28 
29 enum param_direction
30 {
31     PARAM_OUT   = -1,
32     PARAM_INOUT = 0,
33     PARAM_IN    = 1
34 };
35 
36 #define CIM_TYPE_MASK    0x00000fff
37 
38 #define COL_TYPE_MASK    0x0000ffff
39 #define COL_FLAG_DYNAMIC 0x00010000
40 #define COL_FLAG_KEY     0x00020000
41 #define COL_FLAG_METHOD  0x00040000
42 
43 typedef HRESULT (class_method)(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **);
44 
45 enum operator
46 {
47     OP_EQ      = 1,
48     OP_AND     = 2,
49     OP_OR      = 3,
50     OP_GT      = 4,
51     OP_LT      = 5,
52     OP_LE      = 6,
53     OP_GE      = 7,
54     OP_NE      = 8,
55     OP_ISNULL  = 9,
56     OP_NOTNULL = 10,
57     OP_LIKE    = 11,
58     OP_NOT     = 12
59 };
60 
61 struct expr;
62 struct complex_expr
63 {
64     enum operator op;
65     struct expr *left;
66     struct expr *right;
67 };
68 
69 enum expr_type
70 {
71     EXPR_COMPLEX = 1,
72     EXPR_UNARY   = 2,
73     EXPR_PROPVAL = 3,
74     EXPR_SVAL    = 4,
75     EXPR_IVAL    = 5,
76     EXPR_BVAL    = 6
77 };
78 
79 struct expr
80 {
81     enum expr_type type;
82     union
83     {
84         struct complex_expr expr;
85         const struct property *propval;
86         const WCHAR *sval;
87         int ival;
88     } u;
89 };
90 
91 struct column
92 {
93     const WCHAR *name;
94     UINT type;
95     VARTYPE vartype; /* 0 for default mapping */
96 };
97 
98 enum fill_status
99 {
100     FILL_STATUS_FAILED = -1,
101     FILL_STATUS_UNFILTERED,
102     FILL_STATUS_FILTERED
103 };
104 
105 #define TABLE_FLAG_DYNAMIC 0x00000001
106 
107 struct table
108 {
109     const WCHAR *name;
110     UINT num_cols;
111     const struct column *columns;
112     UINT num_rows;
113     UINT num_rows_allocated;
114     BYTE *data;
115     enum fill_status (*fill)(struct table *, const struct expr *cond);
116     UINT flags;
117     struct list entry;
118     LONG refs;
119 };
120 
121 struct property
122 {
123     const WCHAR *name;
124     const WCHAR *class;
125     const struct property *next;
126 };
127 
128 struct array
129 {
130     UINT count;
131     void *ptr;
132 };
133 
134 struct field
135 {
136     UINT type;
137     VARTYPE vartype; /* 0 for default mapping */
138     union
139     {
140         LONGLONG ival;
141         WCHAR *sval;
142         struct array *aval;
143     } u;
144 };
145 
146 struct record
147 {
148     UINT count;
149     struct field *fields;
150     struct table *table;
151 };
152 
153 struct view
154 {
155     const struct property *proplist;
156     struct table *table;
157     const struct expr *cond;
158     UINT *result;
159     UINT  count;
160 };
161 
162 struct query
163 {
164     LONG refs;
165     struct view *view;
166     struct list mem;
167 };
168 
169 struct query *create_query(void) DECLSPEC_HIDDEN;
170 void free_query( struct query * ) DECLSPEC_HIDDEN;
171 struct query *addref_query( struct query * ) DECLSPEC_HIDDEN;
172 void release_query( struct query *query ) DECLSPEC_HIDDEN;
173 HRESULT exec_query( const WCHAR *, IEnumWbemClassObject ** ) DECLSPEC_HIDDEN;
174 HRESULT parse_query( const WCHAR *, struct view **, struct list * ) DECLSPEC_HIDDEN;
175 HRESULT create_view( const struct property *, const WCHAR *, const struct expr *,
176                      struct view ** ) DECLSPEC_HIDDEN;
177 void destroy_view( struct view * ) DECLSPEC_HIDDEN;
178 HRESULT execute_view( struct view * ) DECLSPEC_HIDDEN;
179 void init_table_list( void ) DECLSPEC_HIDDEN;
180 struct table *grab_table( const WCHAR * ) DECLSPEC_HIDDEN;
181 struct table *addref_table( struct table * ) DECLSPEC_HIDDEN;
182 void release_table( struct table * ) DECLSPEC_HIDDEN;
183 struct table *create_table( const WCHAR *, UINT, const struct column *, UINT, UINT, BYTE *,
184                             enum fill_status (*)(struct table *, const struct expr *) ) DECLSPEC_HIDDEN;
185 BOOL add_table( struct table * ) DECLSPEC_HIDDEN;
186 void free_columns( struct column *, UINT ) DECLSPEC_HIDDEN;
187 void free_row_values( const struct table *, UINT ) DECLSPEC_HIDDEN;
188 void clear_table( struct table * ) DECLSPEC_HIDDEN;
189 void free_table( struct table * ) DECLSPEC_HIDDEN;
190 UINT get_type_size( CIMTYPE ) DECLSPEC_HIDDEN;
191 HRESULT eval_cond( const struct table *, UINT, const struct expr *, LONGLONG *, UINT * ) DECLSPEC_HIDDEN;
192 HRESULT get_column_index( const struct table *, const WCHAR *, UINT * ) DECLSPEC_HIDDEN;
193 HRESULT get_value( const struct table *, UINT, UINT, LONGLONG * ) DECLSPEC_HIDDEN;
194 BSTR get_value_bstr( const struct table *, UINT, UINT ) DECLSPEC_HIDDEN;
195 HRESULT set_value( const struct table *, UINT, UINT, LONGLONG, CIMTYPE ) DECLSPEC_HIDDEN;
196 BOOL is_method( const struct table *, UINT ) DECLSPEC_HIDDEN;
197 HRESULT get_method( const struct table *, const WCHAR *, class_method ** ) DECLSPEC_HIDDEN;
198 HRESULT get_propval( const struct view *, UINT, const WCHAR *, VARIANT *,
199                      CIMTYPE *, LONG * ) DECLSPEC_HIDDEN;
200 HRESULT put_propval( const struct view *, UINT, const WCHAR *, VARIANT *, CIMTYPE ) DECLSPEC_HIDDEN;
201 HRESULT to_longlong( VARIANT *, LONGLONG *, CIMTYPE * ) DECLSPEC_HIDDEN;
202 SAFEARRAY *to_safearray( const struct array *, CIMTYPE ) DECLSPEC_HIDDEN;
203 VARTYPE to_vartype( CIMTYPE ) DECLSPEC_HIDDEN;
204 void destroy_array( struct array *, CIMTYPE ) DECLSPEC_HIDDEN;
205 BOOL is_selected_prop( const struct view *, const WCHAR * ) DECLSPEC_HIDDEN;
206 HRESULT get_properties( const struct view *, LONG, SAFEARRAY ** ) DECLSPEC_HIDDEN;
207 HRESULT get_object( const WCHAR *, IWbemClassObject ** ) DECLSPEC_HIDDEN;
208 BSTR get_method_name( const WCHAR *, UINT ) DECLSPEC_HIDDEN;
209 void set_variant( VARTYPE, LONGLONG, void *, VARIANT * ) DECLSPEC_HIDDEN;
210 HRESULT create_signature( const WCHAR *, const WCHAR *, enum param_direction,
211                           IWbemClassObject ** ) DECLSPEC_HIDDEN;
212 
213 HRESULT WbemLocator_create(LPVOID *) DECLSPEC_HIDDEN;
214 HRESULT WbemServices_create(const WCHAR *, LPVOID *) DECLSPEC_HIDDEN;
215 HRESULT create_class_object(const WCHAR *, IEnumWbemClassObject *, UINT,
216                             struct record *, IWbemClassObject **) DECLSPEC_HIDDEN;
217 HRESULT EnumWbemClassObject_create(struct query *, LPVOID *) DECLSPEC_HIDDEN;
218 HRESULT WbemQualifierSet_create(const WCHAR *, const WCHAR *, LPVOID *) DECLSPEC_HIDDEN;
219 
220 HRESULT process_get_owner(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
221 HRESULT reg_create_key(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
222 HRESULT reg_enum_key(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
223 HRESULT reg_enum_values(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
224 HRESULT reg_get_stringvalue(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
225 HRESULT service_pause_service(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
226 HRESULT service_resume_service(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
227 HRESULT service_start_service(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
228 HRESULT service_stop_service(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
229 HRESULT security_get_sd(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
230 HRESULT security_set_sd(IWbemClassObject *, IWbemClassObject *, IWbemClassObject **) DECLSPEC_HIDDEN;
231 
232 static inline WCHAR *heap_strdupW( const WCHAR *src )
233 {
234     WCHAR *dst;
235     if (!src) return NULL;
236     if ((dst = heap_alloc( (strlenW( src ) + 1) * sizeof(WCHAR) ))) strcpyW( dst, src );
237     return dst;
238 }
239 
240 static const WCHAR class_processW[] = {'W','i','n','3','2','_','P','r','o','c','e','s','s',0};
241 static const WCHAR class_serviceW[] = {'W','i','n','3','2','_','S','e','r','v','i','c','e',0};
242 static const WCHAR class_stdregprovW[] = {'S','t','d','R','e','g','P','r','o','v',0};
243 static const WCHAR class_systemsecurityW[] = {'_','_','S','y','s','t','e','m','S','e','c','u','r','i','t','y',0};
244 
245 static const WCHAR prop_nameW[] = {'N','a','m','e',0};
246 
247 static const WCHAR method_createkeyW[] = {'C','r','e','a','t','e','K','e','y',0};
248 static const WCHAR method_enumkeyW[] = {'E','n','u','m','K','e','y',0};
249 static const WCHAR method_enumvaluesW[] = {'E','n','u','m','V','a','l','u','e','s',0};
250 static const WCHAR method_getownerW[] = {'G','e','t','O','w','n','e','r',0};
251 static const WCHAR method_getsdW[] = {'G','e','t','S','D',0};
252 static const WCHAR method_getstringvalueW[] = {'G','e','t','S','t','r','i','n','g','V','a','l','u','e',0};
253 static const WCHAR method_pauseserviceW[] = {'P','a','u','s','e','S','e','r','v','i','c','e',0};
254 static const WCHAR method_resumeserviceW[] = {'R','e','s','u','m','e','S','e','r','v','i','c','e',0};
255 static const WCHAR method_setsdW[] = {'S','e','t','S','D',0};
256 static const WCHAR method_startserviceW[] = {'S','t','a','r','t','S','e','r','v','i','c','e',0};
257 static const WCHAR method_stopserviceW[] = {'S','t','o','p','S','e','r','v','i','c','e',0};
258 
259 static const WCHAR param_defkeyW[] = {'h','D','e','f','K','e','y',0};
260 static const WCHAR param_domainW[] = {'D','o','m','a','i','n',0};
261 static const WCHAR param_namesW[] = {'s','N','a','m','e','s',0};
262 static const WCHAR param_returnvalueW[] = {'R','e','t','u','r','n','V','a','l','u','e',0};
263 static const WCHAR param_sdW[] = {'S','D',0};
264 static const WCHAR param_subkeynameW[] = {'s','S','u','b','K','e','y','N','a','m','e',0};
265 static const WCHAR param_typesW[] = {'T','y','p','e','s',0};
266 static const WCHAR param_userW[] = {'U','s','e','r',0};
267 static const WCHAR param_valueW[] = {'s','V','a','l','u','e',0};
268 static const WCHAR param_valuenameW[] = {'s','V','a','l','u','e','N','a','m','e',0};
269