2 * security-manager.c: Security Manager (Unmanaged side)
5 * Sebastien Pouliot <sebastien@ximian.com>
7 * Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
10 #include "security-manager.h"
15 static MonoSecurityManager secman;
16 static MonoBoolean mono_security_manager_activated = FALSE;
17 static MonoBoolean mono_security_manager_enabled = TRUE;
18 static MonoBoolean mono_security_manager_execution = TRUE;
24 mono_security_manager_get_methods (void)
26 /* Already initialized ? */
27 if (secman.securitymanager)
31 secman.securitymanager = mono_class_from_name (mono_defaults.corlib,
32 "System.Security", "SecurityManager");
33 g_assert (secman.securitymanager);
34 if (!secman.securitymanager->inited)
35 mono_class_init (secman.securitymanager);
37 secman.demand = mono_class_get_method_from_name (secman.securitymanager,
39 g_assert (secman.demand);
41 secman.demandchoice = mono_class_get_method_from_name (secman.securitymanager,
42 "InternalDemandChoice", 2);
43 g_assert (secman.demandchoice);
45 secman.inheritancedemand = mono_class_get_method_from_name (secman.securitymanager,
46 "InheritanceDemand", 2);
47 g_assert (secman.inheritancedemand);
49 secman.inheritsecurityexception = mono_class_get_method_from_name (secman.securitymanager,
50 "InheritanceDemandSecurityException", 4);
51 g_assert (secman.inheritsecurityexception);
53 secman.linkdemand = mono_class_get_method_from_name (secman.securitymanager,
55 g_assert (secman.linkdemand);
57 secman.linkdemandunmanaged = mono_class_get_method_from_name (secman.securitymanager,
58 "LinkDemandUnmanaged", 1);
59 g_assert (secman.linkdemandunmanaged);
61 secman.linkdemandfulltrust = mono_class_get_method_from_name (secman.securitymanager,
62 "LinkDemandFullTrust", 1);
63 g_assert (secman.linkdemandfulltrust);
65 secman.linkdemandsecurityexception = mono_class_get_method_from_name (secman.securitymanager,
66 "LinkDemandSecurityException", 3);
67 g_assert (secman.linkdemandsecurityexception);
69 secman.aptc = mono_class_from_name (mono_defaults.corlib, "System.Security",
70 "AllowPartiallyTrustedCallersAttribute");
71 g_assert (secman.aptc);
77 mono_secman_inheritance_check (MonoClass *klass, MonoDeclSecurityActions *demands)
79 MonoSecurityManager* secman = mono_security_manager_get_methods ();
80 MonoDomain *domain = mono_domain_get ();
81 MonoAssembly *assembly = mono_image_get_assembly (klass->image);
82 MonoReflectionAssembly *refass = mono_assembly_get_object (domain, assembly);
89 res = mono_runtime_invoke (secman->inheritancedemand, NULL, args, NULL);
90 return (*(MonoBoolean *) mono_object_unbox (res));
94 mono_secman_inheritancedemand_class (MonoClass *klass, MonoClass *parent)
96 MonoDeclSecurityActions demands;
98 /* don't hide previous results -and- don't calc everything for nothing */
99 if (klass->exception_type != 0)
102 /* Check if there are an InheritanceDemand on the parent class */
103 if (mono_declsec_get_inheritdemands_class (parent, &demands)) {
104 /* If so check the demands on the klass (inheritor) */
105 if (!mono_secman_inheritance_check (klass, &demands)) {
106 /* Keep flags in MonoClass to be able to throw a SecurityException later (if required) */
107 klass->exception_type = MONO_EXCEPTION_SECURITY_INHERITANCEDEMAND;
108 klass->exception_data = NULL;
114 mono_secman_inheritancedemand_method (MonoMethod *override, MonoMethod *base)
116 MonoDeclSecurityActions demands;
118 /* don't hide previous results -and- don't calc everything for nothing */
119 if (override->klass->exception_type != 0)
122 /* Check if there are an InheritanceDemand on the base (virtual) method */
123 if (mono_declsec_get_inheritdemands_method (base, &demands)) {
124 /* If so check the demands on the overriding method */
125 if (!mono_secman_inheritance_check (override->klass, &demands)) {
126 /* Keep flags in MonoClass to be able to throw a SecurityException later (if required) */
127 override->klass->exception_type = MONO_EXCEPTION_SECURITY_INHERITANCEDEMAND;
128 override->klass->exception_data = base;
135 * Note: The security manager is activate once when executing the Mono. This
136 * is not meant to be a turn on/off runtime switch.
139 mono_activate_security_manager (void)
141 mono_security_manager_activated = TRUE;
145 mono_is_security_manager_active (void)
147 return mono_security_manager_activated;
151 * @publickey An encoded (with header) public key
152 * @size The length of the public key
154 * returns TRUE if the public key is the ECMA "key", FALSE otherwise
156 * ECMA key isn't a real public key - it's simply an empty (but valid) header
157 * so it's length (16) and value (00000000000000000400000000000000) are
161 mono_is_ecma_key (const char *publickey, int size)
164 if ((publickey == NULL) || (size != MONO_ECMA_KEY_LENGTH) || (publickey [8] != 0x04))
167 for (i=0; i < size; i++) {
168 if ((publickey [i] != 0x00) && (i != 8))
174 /* System.Security icalls */
177 ves_icall_System_Security_SecurityManager_get_SecurityEnabled (void)
179 if (!mono_security_manager_activated)
181 return mono_security_manager_enabled;
185 ves_icall_System_Security_SecurityManager_set_SecurityEnabled (MonoBoolean value)
187 /* value can be changed only if the security manager is activated */
188 if (mono_security_manager_activated) {
189 mono_security_manager_enabled = value;
194 ves_icall_System_Security_SecurityManager_get_CheckExecutionRights (void)
196 if (!mono_security_manager_activated)
198 return mono_security_manager_execution;
202 ves_icall_System_Security_SecurityManager_set_CheckExecutionRights (MonoBoolean value)
204 /* value can be changed only id the security manager is activated */
205 if (mono_security_manager_activated) {
206 mono_security_manager_execution = value;
211 ves_icall_System_Security_SecurityManager_GetLinkDemandSecurity (MonoReflectionMethod *m, MonoDeclSecurityActions *kactions, MonoDeclSecurityActions *mactions)
213 MonoMethod *method = m->method;
214 /* we want the original as the wrapper is "free" of the security informations */
215 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
216 method = mono_marshal_method_from_wrapper (method);
219 mono_class_init (method->klass);
221 /* if either the method or it's class has security (any type) */
222 if ((method->flags & METHOD_ATTRIBUTE_HAS_SECURITY) || (method->klass->flags & TYPE_ATTRIBUTE_HAS_SECURITY)) {
223 memset (kactions, 0, sizeof (MonoDeclSecurityActions));
224 memset (mactions, 0, sizeof (MonoDeclSecurityActions));
226 /* get any linkdemand (either on the method or it's class) */
227 return mono_declsec_get_linkdemands (method, kactions, mactions);