2 * declsec.h: Support for the new declarative security attribute
3 * metadata format (2.0)
6 * Sebastien Pouliot <sebastien@ximian.com>
8 * Copyright (C) 2005 Novell, Inc (http://www.novell.com)
9 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
15 #include "mono/metadata/blob.h"
16 #include "mono/metadata/metadata.h"
17 #include "mono/metadata/mono-endian.h"
18 #include "mono/utils/mono-compiler.h"
24 declsec_20_get_classname (const char* p
, const char **rptr
)
30 GString
*res
= g_string_new ("");
31 int len
= mono_metadata_decode_value (p
, &p
);
34 while ((*c
++ != ',') && (cpos
++ < len
));
39 while ((*a
++ != ',') && (apos
++ < len
));
41 if (apos
- cpos
> 1) {
42 g_string_append_printf (res
, "[%.*s]%.*s", apos
- cpos
, c
, cpos
, p
);
44 /* in-assembly type aren't fully qualified (no comma) */
45 g_string_append_printf (res
, "%.*s", cpos
- 1, p
);
53 g_string_free (res
, FALSE
);
58 declsec_20_write_type (GString
*str
, char type
)
61 case MONO_TYPE_BOOLEAN
:
62 g_string_append (str
, "bool");
64 case MONO_TYPE_SZARRAY
:
65 g_string_append (str
, "[]");
67 case MONO_TYPE_SYSTEM_TYPE
:
68 g_string_append (str
, "type");
70 case MONO_TYPE_STRING
:
71 g_string_append (str
, "string");
74 g_warning ("TODO type %d - please fill a bug report on this!", type
);
81 declsec_20_write_value (GString
*str
, char type
, const char *value
)
85 g_string_append_printf (str
, "%d", (unsigned char)*value
);
88 g_string_append_printf (str
, "%d", *value
);
90 case MONO_TYPE_BOOLEAN
:
91 g_string_append_printf (str
, "%s", *value
? "true" : "false");
94 g_string_append_printf (str
, "0x%04X", read16 (value
));
97 g_string_append_printf (str
, "%d", read16 (value
));
100 g_string_append_printf (str
, "%d", (gint16
)read16 (value
));
103 g_string_append_printf (str
, "%d", read32 (value
));
106 g_string_append_printf (str
, "%d", (gint32
)read32 (value
));
109 g_string_append_printf (str
, "%lld", (long long)read64 (value
));
112 g_string_append_printf (str
, "%lld", (long long)read64 (value
));
117 readr4 (value
, &val
);
118 inf
= dis_isinf (val
);
120 g_string_append_printf (str
, "0xFF800000"); /* negative infinity */
122 g_string_append_printf (str
, "0x7F800000"); /* positive infinity */
123 else if (dis_isnan (val
))
124 g_string_append_printf (str
, "0xFFC00000"); /* NaN */
126 g_string_append_printf (str
, "%.8g", val
);
132 readr8 (value
, &val
);
133 inf
= dis_isinf (val
);
135 g_string_append_printf (str
, "0xFFF00000000000000"); /* negative infinity */
137 g_string_append_printf (str
, "0x7FFF0000000000000"); /* positive infinity */
138 else if (isnan (val
))
139 g_string_append_printf (str
, "0xFFF80000000000000"); /* NaN */
141 g_string_append_printf (str
, "%.17g", val
);
144 case MONO_TYPE_STRING
:
145 if (*value
== (char)0xff) {
146 g_string_append (str
, "nullref");
149 int len
= mono_metadata_decode_value (value
, &value
);
150 g_string_append_printf (str
, "'%.*s'", len
, value
);
153 case MONO_TYPE_SYSTEM_TYPE
: {
154 char *cname
= declsec_20_get_classname (value
, NULL
);
155 int len
= mono_metadata_decode_value (value
, &value
);
156 g_string_append (str
, cname
);
165 dump_declsec_entry20 (MonoImage
*m
, const char* p
, const char *indent
)
169 GString
*res
= g_string_new ("");
171 if (*p
++ != MONO_DECLSEC_FORMAT_20
)
174 g_string_append (res
, "{");
176 /* number of encoded permission attributes */
177 num
= mono_metadata_decode_value (p
, &p
);
179 for (i
= 0; i
< num
; i
++) {
180 int len
, j
, pos
= 0, param_len
;
182 char *s
= declsec_20_get_classname (p
, &p
);
183 g_string_append_printf (res
, "%s = {", s
);
186 /* optional parameters length */
187 param_len
= mono_metadata_decode_value (p
, &p
);
188 param_start
= (char *) p
;
190 /* number of parameters */
191 pos
= mono_metadata_decode_value (p
, &p
);
192 for (j
= 0; j
< pos
; j
++) {
197 case MONO_DECLSEC_FIELD
:
198 /* not sure if/how we can get this in a declarative security attribute... */
199 g_string_append (res
, "field ");
201 case MONO_DECLSEC_PROPERTY
:
202 g_string_append (res
, "property ");
205 g_warning ("TODO %d - please fill a bug report on this!", type
);
211 if (type
== MONO_DECLSEC_ENUM
) {
212 s
= declsec_20_get_classname (p
, &p
);
213 len
= mono_metadata_decode_value (p
, &p
);
214 g_string_append_printf (res
, "enum %s '%.*s' = ", s
, len
, p
);
217 /* TODO: we must detect the size of the enum element (from the type ? length ?)
218 * note: ildasm v2 has some problem decoding them too and doesn't
219 * seems to rely on the type (as the other assembly isn't loaded) */
220 g_string_append_printf (res
, "int32(%d)", read32 (p
));
224 if (type
== MONO_TYPE_SZARRAY
) {
226 declsec_20_write_type (res
, arraytype
);
228 declsec_20_write_type (res
, type
);
230 len
= mono_metadata_decode_value (p
, &p
);
231 g_string_append_printf (res
, " '%.*s' = ", len
, p
);
234 if (type
== MONO_TYPE_SZARRAY
) {
236 declsec_20_write_type (res
, type
);
239 g_string_append_printf (res
, "[%d]", elem
);
241 declsec_20_write_type (res
, type
);
244 g_string_append (res
, "(");
246 /* write value - or each element in the array */
247 for (k
= 0; k
< elem
; k
++) {
248 p
= declsec_20_write_value (res
, type
, p
);
249 /* separate array elements */
251 g_string_append (res
, " ");
255 g_string_append_printf (res
, ")\n%s", indent
);
257 g_string_append (res
, ")");
263 g_string_append_printf (res
, "},\n%s", indent
);
265 g_string_append (res
, "}");
268 p
= param_start
+ param_len
;
270 g_string_append (res
, "}");
273 g_string_free (res
, FALSE
);