ESP-IDF
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Outline
#include "includes.h"
#include "common.h"
#include "eap_i.h"
#include "eap_methods.h"
eap_methods
eap_server_get_eap_method(int, enum eap_type)
eap_server_get_type(const char *, int *)
eap_server_method_alloc(int, int, enum eap_type, const char *)
eap_server_method_free(struct eap_method *)
eap_server_method_register(struct eap_method *)
eap_server_unregister_methods()
eap_server_get_name(int, enum eap_type)
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/wpa_supplicant/src/eap_server/eap_server_methods.c
 
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/* * EAP server method registration * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi> * * This software may be distributed under the terms of the BSD license. * See README for more details. *//* ... */ #include "includes.h" #include "common.h" #include "eap_i.h" #include "eap_methods.h" static struct eap_method *eap_methods; /** * eap_server_get_eap_method - Get EAP method based on type number * @vendor: EAP Vendor-Id (0 = IETF) * @method: EAP type number * Returns: Pointer to EAP method or %NULL if not found *//* ... */ const struct eap_method * eap_server_get_eap_method(int vendor, enum eap_type method) { struct eap_method *m; for (m = eap_methods; m; m = m->next) { if (m->vendor == vendor && m->method == method) return m; }{...} return NULL; }{ ... } /** * eap_server_get_type - Get EAP type for the given EAP method name * @name: EAP method name, e.g., TLS * @vendor: Buffer for returning EAP Vendor-Id * Returns: EAP method type or %EAP_TYPE_NONE if not found * * This function maps EAP type names into EAP type numbers based on the list of * EAP methods included in the build. *//* ... */ enum eap_type 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; }{...} /** * eap_server_method_alloc - Allocate EAP server method structure * @version: Version of the EAP server method interface (set to * EAP_SERVER_METHOD_INTERFACE_VERSION) * @vendor: EAP Vendor-ID (EAP_VENDOR_*) (0 = IETF) * @method: EAP type number (EAP_TYPE_*) * @name: Name of the method (e.g., "TLS") * Returns: Allocated EAP method structure or %NULL on failure * * The returned structure should be freed with eap_server_method_free() when it * is not needed anymore. *//* ... */ struct eap_method * eap_server_method_alloc(int version, int vendor, enum eap_type 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; }{ ... } /** * eap_server_method_free - Free EAP server method structure * @method: Method structure allocated with eap_server_method_alloc() *//* ... */ static void eap_server_method_free(struct eap_method *method) { os_free(method); }{ ... } /** * eap_server_method_register - Register an EAP server method * @method: EAP method to register from eap_server_method_alloc() * Returns: 0 on success, -1 on invalid method, or -2 if a matching EAP method * has already been registered * * Each EAP server method needs to call this function to register itself as a * supported EAP method. The caller must not free the allocated method data * regardless of the return value. *//* ... */ 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) { eap_server_method_free(method); 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) { eap_server_method_free(method); return -2; }{...} last = m; }{...} if (last) last->next = method; else eap_methods = method; return 0; }{ ... } /** * eap_server_unregister_methods - Unregister EAP server methods * * This function is called at program termination to unregister all EAP server * methods. *//* ... */ 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); }{...} }{ ... } /** * eap_server_get_name - Get EAP method name for the given EAP type * @vendor: EAP Vendor-Id (0 = IETF) * @type: EAP method type * Returns: EAP method name, e.g., TLS, or "unknown" if not found * * This function maps EAP type numbers into EAP type names based on the list of * EAP methods included in the build. *//* ... */ const char * eap_server_get_name(int vendor, enum eap_type type) { struct eap_method *m; if (vendor == EAP_VENDOR_IETF && type == EAP_TYPE_EXPANDED) return "expanded"; for (m = eap_methods; m; m = m->next) { if (m->vendor == vendor && m->method == type) return m->name; }{...} return "unknown"; }{ ... }
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