eap_methods.c

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#include "includes.h"

#include "common.h"
#include "eap_i.h"
#include "eap_methods.h"


static struct eap_method *eap_methods;


const struct eap_method * eap_server_get_eap_method(int vendor, EapType method)
{
        struct eap_method *m;
        for (m = eap_methods; m; m = m->next) {
                if (m->vendor == vendor && m->method == method)
                        return m;
        }
        return NULL;
}


EapType eap_server_get_type(const char *name, int *vendor)
{
        struct eap_method *m;
        for (m = eap_methods; m; m = m->next) {
                if (os_strcmp(m->name, name) == 0) {
                        *vendor = m->vendor;
                        return m->method;
                }
        }
        *vendor = EAP_VENDOR_IETF;
        return EAP_TYPE_NONE;
}


struct eap_method * eap_server_method_alloc(int version, int vendor,
                                            EapType method, const char *name)
{
        struct eap_method *eap;
        eap = os_zalloc(sizeof(*eap));
        if (eap == NULL)
                return NULL;
        eap->version = version;
        eap->vendor = vendor;
        eap->method = method;
        eap->name = name;
        return eap;
}


void eap_server_method_free(struct eap_method *method)
{
        os_free(method);
}


int eap_server_method_register(struct eap_method *method)
{
        struct eap_method *m, *last = NULL;

        if (method == NULL || method->name == NULL ||
            method->version != EAP_SERVER_METHOD_INTERFACE_VERSION)
                return -1;

        for (m = eap_methods; m; m = m->next) {
                if ((m->vendor == method->vendor &&
                     m->method == method->method) ||
                    os_strcmp(m->name, method->name) == 0)
                        return -2;
                last = m;
        }

        if (last)
                last->next = method;
        else
                eap_methods = method;

        return 0;
}


int eap_server_register_methods(void)
{
        int ret = 0;

        if (ret == 0) {
                int eap_server_identity_register(void);
                ret = eap_server_identity_register();
        }

#ifdef EAP_SERVER_MD5
        if (ret == 0) {
                int eap_server_md5_register(void);
                ret = eap_server_md5_register();
        }
#endif /* EAP_SERVER_MD5 */

#ifdef EAP_SERVER_TLS
        if (ret == 0) {
                int eap_server_tls_register(void);
                ret = eap_server_tls_register();
        }
#endif /* EAP_SERVER_TLS */

#ifdef EAP_SERVER_MSCHAPV2
        if (ret == 0) {
                int eap_server_mschapv2_register(void);
                ret = eap_server_mschapv2_register();
        }
#endif /* EAP_SERVER_MSCHAPV2 */

#ifdef EAP_SERVER_PEAP
        if (ret == 0) {
                int eap_server_peap_register(void);
                ret = eap_server_peap_register();
        }
#endif /* EAP_SERVER_PEAP */

#ifdef EAP_SERVER_TLV
        if (ret == 0) {
                int eap_server_tlv_register(void);
                ret = eap_server_tlv_register();
        }
#endif /* EAP_SERVER_TLV */

#ifdef EAP_SERVER_GTC
        if (ret == 0) {
                int eap_server_gtc_register(void);
                ret = eap_server_gtc_register();
        }
#endif /* EAP_SERVER_GTC */

#ifdef EAP_SERVER_TTLS
        if (ret == 0) {
                int eap_server_ttls_register(void);
                ret = eap_server_ttls_register();
        }
#endif /* EAP_SERVER_TTLS */

#ifdef EAP_SERVER_SIM
        if (ret == 0) {
                int eap_server_sim_register(void);
                ret = eap_server_sim_register();
        }
#endif /* EAP_SERVER_SIM */

#ifdef EAP_SERVER_AKA
        if (ret == 0) {
                int eap_server_aka_register(void);
                ret = eap_server_aka_register();
        }
#endif /* EAP_SERVER_AKA */

#ifdef EAP_SERVER_AKA_PRIME
        if (ret == 0) {
                int eap_server_aka_prime_register(void);
                ret = eap_server_aka_prime_register();
        }
#endif /* EAP_SERVER_AKA_PRIME */

#ifdef EAP_SERVER_PAX
        if (ret == 0) {
                int eap_server_pax_register(void);
                ret = eap_server_pax_register();
        }
#endif /* EAP_SERVER_PAX */

#ifdef EAP_SERVER_PSK
        if (ret == 0) {
                int eap_server_psk_register(void);
                ret = eap_server_psk_register();
        }
#endif /* EAP_SERVER_PSK */

#ifdef EAP_SERVER_SAKE
        if (ret == 0) {
                int eap_server_sake_register(void);
                ret = eap_server_sake_register();
        }
#endif /* EAP_SERVER_SAKE */

#ifdef EAP_SERVER_GPSK
        if (ret == 0) {
                int eap_server_gpsk_register(void);
                ret = eap_server_gpsk_register();
        }
#endif /* EAP_SERVER_GPSK */

#ifdef EAP_SERVER_VENDOR_TEST
        if (ret == 0) {
                int eap_server_vendor_test_register(void);
                ret = eap_server_vendor_test_register();
        }
#endif /* EAP_SERVER_VENDOR_TEST */

#ifdef EAP_SERVER_FAST
        if (ret == 0) {
                int eap_server_fast_register(void);
                ret = eap_server_fast_register();
        }
#endif /* EAP_SERVER_FAST */

#ifdef EAP_SERVER_WSC
        if (ret == 0) {
                int eap_server_wsc_register(void);
                ret = eap_server_wsc_register();
        }
#endif /* EAP_SERVER_WSC */

#ifdef EAP_SERVER_IKEV2
        if (ret == 0) {
                int eap_server_ikev2_register(void);
                ret = eap_server_ikev2_register();
        }
#endif /* EAP_SERVER_IKEV2 */

#ifdef EAP_SERVER_TNC
        if (ret == 0) {
                int eap_server_tnc_register(void);
                ret = eap_server_tnc_register();
        }
#endif /* EAP_SERVER_TNC */

        return ret;
}


void eap_server_unregister_methods(void)
{
        struct eap_method *m;

        while (eap_methods) {
                m = eap_methods;
                eap_methods = eap_methods->next;

                if (m->free)
                        m->free(m);
                else
                        eap_server_method_free(m);
        }
}