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eap: Add dynamic EAP method registration

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This commit is contained in:
Denis Kenzior 2015-11-02 21:30:40 -06:00
parent 02eeb82c53
commit cdfc854056
2 changed files with 57 additions and 10 deletions
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51
src/eap.c
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@ -412,15 +412,54 @@ int eap_unregister_method(struct eap_method *method)
return -ENOENT;
}
void eap_init(void) {
eap_methods = l_queue_new();
static void __eap_method_enable(struct eap_method_desc *start,
struct eap_method_desc *stop)
{
struct eap_method_desc *desc;
eap_register_method(&eap_md5);
eap_register_method(&eap_tls);
eap_register_method(&eap_ttls);
l_debug("");
if (start == NULL || stop == NULL)
return;
for (desc = start; desc < stop; desc++) {
if (!desc->init)
continue;
desc->init();
}
}
void eap_exit(void) {
static void __eap_method_disable(struct eap_method_desc *start,
struct eap_method_desc *stop)
{
struct eap_method_desc *desc;
l_debug("");
if (start == NULL || stop == NULL)
return;
for (desc = start; desc < stop; desc++) {
if (!desc->exit)
continue;
desc->exit();
}
}
extern struct eap_method_desc __start___eap[];
extern struct eap_method_desc __stop___eap[];
void eap_init(void)
{
eap_methods = l_queue_new();
__eap_method_enable(__start___eap, __stop___eap);
}
void eap_exit(void)
{
__eap_method_disable(__start___eap, __stop___eap);
l_queue_destroy(eap_methods, NULL);
}

16
src/eap.h
View File

@ -95,6 +95,18 @@ struct eap_method {
const uint8_t *pkt, size_t len);
};
struct eap_method_desc {
const char *name;
int (*init)(void);
void (*exit)(void);
} __attribute__((aligned(8)));
#define EAP_METHOD_BUILTIN(name, init, exit) \
static struct eap_method_desc __eap_builtin_ ## name \
__attribute__((used, section("__eap"), aligned(8))) = { \
#name, init, exit \
}; \
int eap_register_method(struct eap_method *method);
int eap_unregister_method(struct eap_method *method);
@ -117,7 +129,3 @@ void eap_method_error(struct eap_state *eap);
void eap_save_last_id(struct eap_state *eap, uint8_t *last_id);
void eap_restore_last_id(struct eap_state *eap, uint8_t last_id);
extern struct eap_method eap_md5;
extern struct eap_method eap_tls;
extern struct eap_method eap_ttls;