GSSEAP_KRB_INIT(&krbContext);
krb5_free_principal(krbContext, name->krbPrincipal);
- radiusReleaseAttrContext(&tmpMinor, &name->radiusCtx);
- samlReleaseAttrContext(&tmpMinor, &name->samlCtx);
+ gssEapReleaseAttrContext(&tmpMinor, name);
GSSEAP_MUTEX_DESTROY(&name->mutex);
GSSEAP_FREE(name);
OM_uint32 major, tmpMinor;
krb5_context krbContext;
unsigned char *p;
- int composite = 0;
size_t len, remain;
gss_buffer_desc buf;
enum gss_eap_token_type tok_type;
+ gss_name_t name = GSS_C_NO_NAME;
GSSEAP_KRB_INIT(&krbContext);
if (remain < 6 + GSS_EAP_MECHANISM->length + 4)
return GSS_S_BAD_NAME;
+#define UPDATE_REMAIN(n) do { \
+ p += (n); \
+ remain -= (n); \
+ } while (0)
+
/* TOK_ID */
tok_type = load_uint16_be(p);
if (tok_type != TOK_TYPE_EXPORT_NAME &&
tok_type != TOK_TYPE_EXPORT_NAME_COMPOSITE)
return GSS_S_BAD_NAME;
- p += 2;
- remain -= 2;
+ UPDATE_REMAIN(2);
/* MECH_OID_LEN */
len = load_uint16_be(p);
if (len != 2 + GSS_EAP_MECHANISM->length)
return GSS_S_BAD_NAME;
- p += 2;
- remain -= 2;
+ UPDATE_REMAIN(2);
/* MECH_OID */
if (p[0] != 0x06)
return GSS_S_BAD_MECH;
if (memcmp(&p[2], GSS_EAP_MECHANISM->elements, GSS_EAP_MECHANISM->length))
return GSS_S_BAD_MECH;
- p += 2 + GSS_EAP_MECHANISM->length;
- remain -= 2 + GSS_EAP_MECHANISM->length;
+ UPDATE_REMAIN(2 + GSS_EAP_MECHANISM->length);
/* NAME_LEN */
len = load_uint32_be(p);
- p += 4;
- remain -= 4;
+ UPDATE_REMAIN(4);
- if (remain < len)
- return GSS_S_BAD_NAME;
+#define CHECK_REMAIN(n) do { \
+ if (remain < (n)) { \
+ *minor = ERANGE; \
+ major = GSS_S_BAD_NAME; \
+ goto cleanup; \
+ } \
+ } while (0)
/* NAME */
+ CHECK_REMAIN(len);
buf.length = len;
buf.value = p;
+ UPDATE_REMAIN(len);
- p += len;
- remain -= len;
+ major = importUserName(minor, &buf, &name);
+ if (GSS_ERROR(major))
+ goto cleanup;
- if (composite == 0 && remain != 0)
- return GSS_S_BAD_NAME;
+ if (tok_type == TOK_TYPE_EXPORT_NAME_COMPOSITE) {
+ gss_buffer_desc buf;
- major = importUserName(minor, &buf, pName);
- if (GSS_ERROR(major))
- return major;
+ CHECK_REMAIN(4);
+ name->flags = load_uint32_be(p);
+ UPDATE_REMAIN(4);
- /* XXX TODO composite handling */
+ CHECK_REMAIN(4);
+ buf.length = load_uint32_be(p);
+ UPDATE_REMAIN(4);
- return GSS_S_COMPLETE;
+ CHECK_REMAIN(buf.length);
+ buf.value = p;
+ UPDATE_REMAIN(buf.length);
+
+ major = gssEapImportAttrContext(minor, &buf, name);
+ if (GSS_ERROR(major))
+ goto cleanup;
+ }
+
+ major = GSS_S_COMPLETE;
+
+cleanup:
+ if (GSS_ERROR(major))
+ gssEapReleaseName(&tmpMinor, &name);
+ else
+ *pName = name;
+
+ return major;
}
OM_uint32
char *krbName = NULL;
size_t krbNameLen;
unsigned char *p;
+ gss_buffer_desc attrs = GSS_C_EMPTY_BUFFER;
exportedName->length = 0;
exportedName->value = NULL;
GSSEAP_KRB_INIT(&krbContext);
GSSEAP_MUTEX_LOCK(&name->mutex);
- /*
- * Don't export a composite name if we don't have any attributes.
- */
- if (composite && !NAME_HAS_ATTRIBUTES(name))
- composite = 0;
-
*minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
- if (*minor != 0)
+ if (*minor != 0) {
+ major = GSS_S_FAILURE;
goto cleanup;
+ }
krbNameLen = strlen(krbName);
exportedName->length = 6 + GSS_EAP_MECHANISM->length + 4 + krbNameLen;
if (composite) {
- /* TODO: export SAML/AVP, this is pending specification */
-
+ exportedName->length += 4;
+
+ major = gssEapExportAttrContext(minor, name, &attrs);
+ if (GSS_ERROR(major))
+ goto cleanup;
+ exportedName->length += 4 + attrs.length;
}
exportedName->value = GSSEAP_MALLOC(exportedName->length);
if (exportedName->value == NULL) {
+ major = GSS_S_FAILURE;
*minor = ENOMEM;
goto cleanup;
}
memcpy(p, krbName, krbNameLen);
p += krbNameLen;
+ if (composite) {
+ store_uint32_be(name->flags, p);
+ p += 4;
+
+ store_uint32_be(attrs.length, p);
+ memcpy(&p[4], attrs.value, attrs.length);
+ p += 4 + attrs.length;
+ }
+
*minor = 0;
major = GSS_S_COMPLETE;
cleanup:
GSSEAP_MUTEX_UNLOCK(&name->mutex);
+ gss_release_buffer(&tmpMinor, &attrs);
if (GSS_ERROR(major))
gss_release_buffer(&tmpMinor, exportedName);
krb5_free_unparsed_name(krbContext, krbName);
return major;
}
-static gss_buffer_desc attributePrefixes[] = {
- {
- /* ATTR_TYPE_NONE */
- 0,
- NULL,
- },
- {
- /* ATTR_TYPE_SAML_AAA_ASSERTION */
- sizeof("urn:ietf:params:gss-eap:saml-aaa-assertion"),
- "urn:ietf:params:gss-eap:saml-aaa-assertion"
- },
- {
- /* ATTR_TYPE_SAML_ATTR */
- sizeof("urn:ietf:params:gss-eap:saml-attr"),
- "urn:ietf:params:gss-eap:saml-attr"
- },
- {
- /* ATTR_TYPE_RADIUS_AVP */
- sizeof("urn:ietf:params:gss-eap:radius-avp"),
- "urn:ietf:params:gss-eap:radius-avp",
- }
-};
-
-enum gss_eap_attribute_type
-gssEapAttributePrefixToType(const gss_buffer_t prefix)
-{
- enum gss_eap_attribute_type i;
-
- for (i = ATTR_TYPE_SAML_AAA_ASSERTION;
- i < sizeof(attributePrefixes) / sizeof(attributePrefixes[0]);
- i++)
- {
- gss_buffer_t p = &attributePrefixes[i];
-
- if (p->length == prefix->length &&
- memcmp(p->value, prefix->value, prefix->length) == 0) {
- return i;
- }
- }
-
- return ATTR_TYPE_NONE;
-}
-
-gss_buffer_t
-gssEapAttributeTypeToPrefix(enum gss_eap_attribute_type type)
-{
- if (type <= ATTR_TYPE_NONE ||
- type > ATTR_TYPE_RADIUS_AVP)
- return GSS_C_NO_BUFFER;
-
- return &attributePrefixes[type];
-}
-
-OM_uint32
-decomposeAttributeName(OM_uint32 *minor,
- const gss_buffer_t attribute,
- gss_buffer_t prefix,
- gss_buffer_t suffix)
-{
- char *p = NULL;
- int i;
-
- for (i = 0; i < attribute->length; i++) {
- if (((char *)attribute->value)[i] == ' ') {
- p = (char *)attribute->value + i + 1;
- break;
- }
- }
-
- prefix->value = attribute->value;
- prefix->length = i;
-
- if (p != NULL && *p != '\0') {
- suffix->length = attribute->length - 1 - prefix->length;
- suffix->value = p;
- } else {
- suffix->length = 0;
- suffix->value = NULL;
- }
-
- *minor = 0;
- return GSS_S_COMPLETE;
-}
-
-OM_uint32
-composeAttributeName(OM_uint32 *minor,
- const gss_buffer_t prefix,
- const gss_buffer_t suffix,
- gss_buffer_t attribute)
-{
- size_t len = 0;
- char *p;
-
- attribute->length = 0;
- attribute->value = NULL;
-
- if (prefix == GSS_C_NO_BUFFER || prefix->length == 0)
- return GSS_S_COMPLETE;
-
- len = prefix->length;
- if (suffix != NULL) {
- len += 1 + suffix->length;
- }
-
- p = attribute->value = GSSEAP_MALLOC(len + 1);
- if (attribute->value == NULL) {
- *minor = ENOMEM;
- return GSS_S_FAILURE;
- }
- attribute->length = len;
-
- memcpy(p, prefix->value, prefix->length);
- if (suffix != NULL) {
- p[prefix->length] = ' ';
- memcpy(p + prefix->length + 1, suffix->value, suffix->length);
- }
-
- p[attribute->length] = '\0';
-
- *minor = 0;
- return GSS_S_COMPLETE;
-}
projects / mech_eap.orig / blobdiff