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)
14 #include "mono/metadata/blob.h"
15 #include "mono/metadata/metadata.h"
16 #include "mono/metadata/mono-endian.h"
17 #include "mono/utils/mono-compiler.h"
22 declsec_20_get_classname (const char* p, const char **rptr)
28 GString *res = g_string_new ("");
29 int len = mono_metadata_decode_value (p, &p);
32 while ((*c++ != ',') && (cpos++ < len));
37 while ((*a++ != ',') && (apos++ < len));
39 if (apos - cpos > 1) {
40 g_string_append_printf (res, "[%.*s]%.*s", apos - cpos, c, cpos, p);
42 /* in-assembly type aren't fully qualified (no comma) */
43 g_string_append_printf (res, "%.*s", cpos - 1, p);
51 g_string_free (res, FALSE);
56 declsec_20_write_type (GString *str, char type)
59 case MONO_TYPE_BOOLEAN:
60 g_string_append (str, "bool");
62 case MONO_TYPE_SZARRAY:
63 g_string_append (str, "[]");
65 case MONO_TYPE_SYSTEM_TYPE:
66 g_string_append (str, "type");
68 case MONO_TYPE_STRING:
69 g_string_append (str, "string");
72 g_warning ("TODO type %d - please fill a bug report on this!", type);
79 declsec_20_write_value (GString *str, char type, const char *value)
83 g_string_append_printf (str, "%d", (unsigned char)*value);
86 g_string_append_printf (str, "%d", *value);
88 case MONO_TYPE_BOOLEAN:
89 g_string_append_printf (str, "%s", *value ? "true" : "false");
92 g_string_append_printf (str, "0x%04X", read16 (value));
95 g_string_append_printf (str, "%d", read16 (value));
98 g_string_append_printf (str, "%d", (gint16)read16 (value));
101 g_string_append_printf (str, "%d", read32 (value));
104 g_string_append_printf (str, "%d", (gint32)read32 (value));
107 g_string_append_printf (str, "%lld", (long long)read64 (value));
110 g_string_append_printf (str, "%lld", (long long)read64 (value));
115 readr4 (value, &val);
118 g_string_append_printf (str, "0xFF800000"); /* negative infinity */
120 g_string_append_printf (str, "0x7F800000"); /* positive infinity */
121 else if (isnan (val))
122 g_string_append_printf (str, "0xFFC00000"); /* NaN */
124 g_string_append_printf (str, "%.8g", val);
130 readr8 (value, &val);
133 g_string_append_printf (str, "0xFFF00000000000000"); /* negative infinity */
135 g_string_append_printf (str, "0x7FFF0000000000000"); /* positive infinity */
136 else if (isnan (val))
137 g_string_append_printf (str, "0xFFF80000000000000"); /* NaN */
139 g_string_append_printf (str, "%.17g", val);
142 case MONO_TYPE_STRING:
143 if (*value == (char)0xff) {
144 g_string_append (str, "nullref");
147 int len = mono_metadata_decode_value (value, &value);
148 g_string_append_printf (str, "'%.*s'", len, value);
151 case MONO_TYPE_SYSTEM_TYPE: {
152 char *cname = declsec_20_get_classname (value, NULL);
153 int len = mono_metadata_decode_value (value, &value);
154 g_string_append (str, cname);
163 dump_declsec_entry20 (MonoImage *m, const char* p, const char *indent)
167 GString *res = g_string_new ("");
169 if (*p++ != MONO_DECLSEC_FORMAT_20)
172 g_string_append (res, "{");
174 /* number of encoded permission attributes */
175 num = mono_metadata_decode_value (p, &p);
177 for (i = 0; i < num; i++) {
178 int len, j, pos = 0, param_len;
180 char *s = declsec_20_get_classname (p, &p);
181 g_string_append_printf (res, "%s = {", s);
184 /* optional parameters length */
185 param_len = mono_metadata_decode_value (p, &p);
186 param_start = (char *) p;
188 /* number of parameters */
189 pos = mono_metadata_decode_value (p, &p);
190 for (j = 0; j < pos; j++) {
195 case MONO_DECLSEC_FIELD:
196 /* not sure if/how we can get this in a declarative security attribute... */
197 g_string_append (res, "field ");
199 case MONO_DECLSEC_PROPERTY:
200 g_string_append (res, "property ");
203 g_warning ("TODO %d - please fill a bug report on this!", type);
209 if (type == MONO_DECLSEC_ENUM) {
210 s = declsec_20_get_classname (p, &p);
211 len = mono_metadata_decode_value (p, &p);
212 g_string_append_printf (res, "enum %s '%.*s' = ", s, len, p);
215 /* TODO: we must detect the size of the enum element (from the type ? length ?)
216 * note: ildasm v2 has some problem decoding them too and doesn't
217 * seems to rely on the type (as the other assembly isn't loaded) */
218 g_string_append_printf (res, "int32(%d)", read32 (p));
222 if (type == MONO_TYPE_SZARRAY) {
224 declsec_20_write_type (res, arraytype);
226 declsec_20_write_type (res, type);
228 len = mono_metadata_decode_value (p, &p);
229 g_string_append_printf (res, " '%.*s' = ", len, p);
232 if (type == MONO_TYPE_SZARRAY) {
234 declsec_20_write_type (res, type);
237 g_string_append_printf (res, "[%d]", elem);
239 declsec_20_write_type (res, type);
242 g_string_append (res, "(");
244 /* write value - or each element in the array */
245 for (k = 0; k < elem; k++) {
246 p = declsec_20_write_value (res, type, p);
247 /* separate array elements */
249 g_string_append (res, " ");
253 g_string_append_printf (res, ")\n%s", indent);
255 g_string_append (res, ")");
261 g_string_append_printf (res, "},\n%s", indent);
263 g_string_append (res, "}");
266 p = param_start + param_len;
268 g_string_append (res, "}");
271 g_string_free (res, FALSE);