/
mono-config.c
363 lines (316 loc) · 9.14 KB
/
mono-config.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
/*
* mono-config.c
*
* Runtime and assembly configuration file support routines.
*
* Author: Paolo Molaro (lupus@ximian.com)
*
* (C) 2002 Ximian, Inc.
*/
#include "config.h"
#include <glib.h>
#include <string.h>
#include "mono/metadata/loader.h"
#include "mono/metadata/mono-config.h"
static void start_element (GMarkupParseContext *context,
const gchar *element_name,
const gchar **attribute_names,
const gchar **attribute_values,
gpointer user_data,
GError **error);
static void end_element (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error);
static void parse_text (GMarkupParseContext *context,
const gchar *text,
gsize text_len,
gpointer user_data,
GError **error);
static void passthrough (GMarkupParseContext *context,
const gchar *text,
gsize text_len,
gpointer user_data,
GError **error);
static void parse_error (GMarkupParseContext *context,
GError *error,
gpointer user_data);
static const GMarkupParser
mono_parser = {
start_element,
end_element,
parse_text,
passthrough,
parse_error
};
static GHashTable *config_handlers;
/* when this interface is stable, export it. */
typedef struct MonoParseHandler MonoParseHandler;
struct MonoParseHandler {
const char *element_name;
void*(*init) (MonoImage *assembly);
void (*start) (gpointer user_data, const gchar *name,
const gchar **attributes,
const gchar **values);
void (*text) (gpointer user_data, const char *text, gsize test_len);
void (*end) (gpointer user_data, const char *name);
void (*finish) (gpointer user_data);
};
typedef struct {
MonoParseHandler *current;
void *user_data;
MonoImage *assembly;
int inited;
} ParseState;
static void start_element (GMarkupParseContext *context,
const gchar *element_name,
const gchar **attribute_names,
const gchar **attribute_values,
gpointer user_data,
GError **error)
{
ParseState *state = user_data;
if (!state->current) {
state->current = g_hash_table_lookup (config_handlers, element_name);
if (state->current && state->current->init)
state->user_data = state->current->init (state->assembly);
}
if (state->current && state->current->start)
state->current->start (state->user_data, element_name, attribute_names, attribute_values);
}
static void end_element (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error)
{
ParseState *state = user_data;
if (state->current) {
if (state->current->end)
state->current->end (state->user_data, element_name);
if (strcmp (state->current->element_name, element_name) == 0) {
if (state->current->finish)
state->current->finish (state->user_data);
state->current = NULL;
state->user_data = NULL;
}
}
}
static void parse_text (GMarkupParseContext *context,
const gchar *text,
gsize text_len,
gpointer user_data,
GError **error)
{
ParseState *state = user_data;
if (state->current && state->current->text)
state->current->text (state->user_data, text, text_len);
}
static void passthrough (GMarkupParseContext *context,
const gchar *text,
gsize text_len,
gpointer user_data,
GError **error)
{
/* do nothing */
}
static void parse_error (GMarkupParseContext *context,
GError *error,
gpointer user_data)
{
}
typedef struct {
char *dll;
char *target;
MonoImage *assembly;
} DllInfo;
static void*
dllmap_init (MonoImage *assembly) {
DllInfo *info = g_new0 (DllInfo, 1);
info->assembly = assembly;
return info;
}
static void
dllmap_start (gpointer user_data,
const gchar *element_name,
const gchar **attribute_names,
const gchar **attribute_values)
{
int i;
DllInfo *info = user_data;
if (strcmp (element_name, "dllmap") == 0) {
g_free (info->dll);
g_free (info->target);
info->dll = info->target = NULL;
for (i = 0; attribute_names [i]; ++i) {
if (strcmp (attribute_names [i], "dll") == 0)
info->dll = g_strdup (attribute_values [i]);
else if (strcmp (attribute_names [i], "target") == 0)
info->target = g_strdup (attribute_values [i]);
}
mono_dllmap_insert (info->assembly, info->dll, NULL, info->target, NULL);
} else if (strcmp (element_name, "dllentry") == 0) {
const char *name = NULL, *target = NULL, *dll = NULL;
for (i = 0; attribute_names [i]; ++i) {
if (strcmp (attribute_names [i], "dll") == 0)
dll = attribute_values [i];
else if (strcmp (attribute_names [i], "target") == 0)
target = attribute_values [i];
else if (strcmp (attribute_names [i], "name") == 0)
name = attribute_values [i];
}
if (!dll)
dll = info->dll;
mono_dllmap_insert (info->assembly, info->dll, name, dll, target);
}
}
static void
dllmap_finish (gpointer user_data)
{
DllInfo *info = user_data;
g_free (info->dll);
g_free (info->target);
g_free (info);
}
static const MonoParseHandler
dllmap_handler = {
"dllmap",
dllmap_init,
dllmap_start,
NULL, /* text */
NULL, /* end */
dllmap_finish
};
static int inited = 0;
static void
mono_config_init (void)
{
inited = 1;
config_handlers = g_hash_table_new (g_str_hash, g_str_equal);
g_hash_table_insert (config_handlers, (gpointer) dllmap_handler.element_name, (gpointer) &dllmap_handler);
}
/* FIXME: error handling */
/* If assembly is NULL, parse in the global context */
static int
mono_config_parse_file_with_context (ParseState *state, const char *filename)
{
GMarkupParseContext *context;
char *text;
gsize len;
if (!inited)
mono_config_init ();
if (!g_file_get_contents (filename, &text, &len, NULL))
return 0;
context = g_markup_parse_context_new (&mono_parser, 0, state, NULL);
if (g_markup_parse_context_parse (context, text, len, NULL)) {
g_markup_parse_context_end_parse (context, NULL);
}
g_markup_parse_context_free (context);
g_free (text);
return 1;
}
static void
mono_config_parse_file (const char *filename)
{
ParseState state = {NULL};
mono_config_parse_file_with_context (&state, filename);
}
/*
* use the equivalent lookup code from the GAC when available.
* Depending on state, this should give something like:
* aname/version-pubtoken/
* aname/version/
* aname
*/
static char*
get_assembly_filename (MonoImage *image, int state)
{
switch (state) {
case 0:
return g_strdup (image->assembly_name);
default:
return NULL;
}
}
void
mono_config_for_assembly (MonoImage *assembly)
{
ParseState state = {NULL};
int got_it = 0, i;
char *aname, *cfg, *cfg_name;
const char *home;
state.assembly = assembly;
cfg_name = g_strdup_printf ("%s.config", assembly->name);
mono_config_parse_file_with_context (&state, cfg_name);
g_free (cfg_name);
cfg_name = g_strdup_printf ("%s.config", assembly->assembly_name);
home = g_get_home_dir ();
for (i = 0; (aname = get_assembly_filename (assembly, i)) != NULL; ++i) {
cfg = g_build_filename (mono_get_config_dir (), "mono", "assemblies", aname, cfg_name, NULL);
got_it += mono_config_parse_file_with_context (&state, cfg);
g_free (cfg);
#ifndef PLATFORM_WIN32
cfg = g_build_filename (home, ".mono", "assemblies", aname, cfg_name, NULL);
got_it += mono_config_parse_file_with_context (&state, cfg);
g_free (cfg);
#endif
g_free (aname);
if (got_it)
break;
}
g_free (cfg_name);
}
/*
* Pass a NULL filename to parse the default config files
* (or the file in the MONO_CONFIG env var).
*/
void
mono_config_parse (const char *filename) {
const char *home;
char *user_cfg;
char *mono_cfg;
if (filename) {
mono_config_parse_file (filename);
return;
}
home = g_getenv ("MONO_CONFIG");
if (home) {
mono_config_parse_file (home);
return;
}
mono_cfg = g_build_filename (mono_get_config_dir (), "mono", "config", NULL);
mono_config_parse_file (mono_cfg);
g_free (mono_cfg);
#ifndef PLATFORM_WIN32
home = g_get_home_dir ();
user_cfg = g_strconcat (home, G_DIR_SEPARATOR_S, ".mono/config", NULL);
mono_config_parse_file (user_cfg);
g_free (user_cfg);
#endif
}
static char *mono_cfg_dir = NULL;
static void
mono_install_get_config_dir (void)
{
#ifdef PLATFORM_WIN32
int i;
#endif
mono_cfg_dir = g_getenv ("MONO_CFG_DIR");
if (!mono_cfg_dir) {
#ifndef PLATFORM_WIN32
mono_cfg_dir = MONO_CFG_DIR;
#else
mono_cfg_dir = g_strdup (MONO_CFG_DIR);
for (i = strlen (mono_cfg_dir) - 1; i >= 0; i--) {
if (mono_cfg_dir [i] == '/')
((char*) mono_cfg_dir) [i] = '\\';
}
#endif
}
}
const char*
mono_get_config_dir (void)
{
if (!mono_cfg_dir)
mono_install_get_config_dir ();
return mono_cfg_dir;
}