Add some plumbing for exporting names
[mech_eap.git] / util.h
diff --git a/util.h b/util.h
index 246da38..52a585a 100644 (file)
--- a/util.h
+++ b/util.h
 #ifndef _UTIL_H_
 #define _UTIL_H_ 1
 
-/* Helper APIs */
+#include <krb5.h>
+
+#include "util_saml.h"
+#include "util_radius.h"
+
+#define KRB_KEYTYPE(key)        ((key)->enctype)
+
+int
+gssEapSign(krb5_context context,
+           krb5_cksumtype type,
+           size_t rrc,
+           krb5_keyblock *key,
+           krb5_keyusage sign_usage,
+           gss_iov_buffer_desc *iov,
+           int iov_count);
+
+int
+gssEapVerify(krb5_context context,
+             krb5_cksumtype type,
+             size_t rrc,  
+             krb5_keyblock *key,
+             krb5_keyusage sign_usage,
+             gss_iov_buffer_desc *iov,
+             int iov_count,
+             int *valid);
+
+/* util_context.c */
 OM_uint32 gssEapAllocContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
 OM_uint32 gssEapReleaseContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
 
-OM_uint32 gssEapAllocName(OM_uint32 *minor, gss_name_t *pName);
-OM_uint32 gssEapReleaseName(OM_uint32 *minor, gss_name_t *pName);
-
+/* util_cred.c */
 OM_uint32 gssEapAllocCred(OM_uint32 *minor, gss_cred_id_t *pCred);
 OM_uint32 gssEapReleaseCred(OM_uint32 *minor, gss_cred_id_t *pCred);
 
-/* Kerberos token services */
-#define KRB_KEYTYPE(key)        ((key)->enctype)
-
 /* util_crypt.c */
 int
 gssEapEncrypt(krb5_context context, int dce_style, size_t ec,
@@ -104,25 +125,79 @@ gssEapIsIntegrityOnly(gss_iov_buffer_desc *iov, int iov_count);
 int
 gssEapAllocIov(gss_iov_buffer_t iov, size_t size);
 
-/* util_cksum.c */
-int
-gssEapSign(krb5_context context,
-           krb5_cksumtype type,
-           size_t rrc,
-           krb5_keyblock *key,
-           krb5_keyusage sign_usage,
-           gss_iov_buffer_desc *iov,
-           int iov_count);
+OM_uint32
+gssEapDeriveRFC3961Key(OM_uint32 *minor,
+                       gss_buffer_t msk,
+                       krb5_enctype enctype,
+                       krb5_keyblock *pKey);
+
+/* util_krb.c */
+OM_uint32
+gssEapKerberosInit(OM_uint32 *minor, krb5_context *context);
+
+#define GSSEAP_KRB_INIT(ctx) do {                   \
+        OM_uint32 tmpMajor;                         \
+        tmpMajor  = gssEapKerberosInit(minor, ctx); \
+        if (GSS_ERROR(tmpMajor)) {                  \
+            return tmpMajor;                        \
+        }                                           \
+    } while (0)
+
+/* util_mech.c */
+void
+gssEapInternalizeOid(const gss_OID oid,
+                     gss_OID *const pInternalizedOid);
+
+OM_uint32
+gssEapDefaultMech(OM_uint32 *minor,
+                  gss_OID *oid);
+
+OM_uint32
+gssEapIndicateMechs(OM_uint32 *minor,
+                    gss_OID_set *mechs);
+
+OM_uint32
+gssEapEnctypeToOid(OM_uint32 *minor,
+                   krb5_enctype enctype,
+                   gss_OID *pOid);
+
+OM_uint32
+gssEapOidToEnctype(OM_uint32 *minor,
+                   const gss_OID oid,
+                   krb5_enctype *enctype);
 
 int
-gssEapVerify(krb5_context context,
-             krb5_cksumtype type,
-             size_t rrc,  
-             krb5_keyblock *key,
-             krb5_keyusage sign_usage,
-             gss_iov_buffer_desc *iov,
-             int iov_count,
-             int *valid);
+gssEapIsMechanismOid(const gss_OID oid);
+
+/* util_name.c */
+OM_uint32 gssEapAllocName(OM_uint32 *minor, gss_name_t *pName);
+OM_uint32 gssEapReleaseName(OM_uint32 *minor, gss_name_t *pName);
+OM_uint32 gssEapExportName(OM_uint32 *minor,
+                           const gss_name_t name,
+                           gss_buffer_t exportedName,
+                           int composite);
+
+/* util_oid.c */
+OM_uint32
+composeOid(OM_uint32 *minor_status,
+           const char *prefix,
+           size_t prefix_len,
+           int suffix,  
+           gss_OID_desc *oid);
+
+OM_uint32
+decomposeOid(OM_uint32 *minor_status,
+             const char *prefix,
+             size_t prefix_len,
+             gss_OID_desc *oid,
+             int *suffix) ;
+
+static inline int
+oidEqual(const gss_OID_desc *o1, const gss_OID_desc  *o2)
+{
+    return (o1->length == o2->length &&
+            memcmp(o1->elements, o2->elements, o1->length) == 0);
+}
 
 /* util_ordering.c */
 int
@@ -145,9 +220,32 @@ sequenceInit(void **vqueue, uint64_t seqnum,
              int do_replay, int do_sequence, int wide_nums);
 
 /* util_token.c */
+enum gss_eap_token_type {
+    TOK_TYPE_EAP_RESP  = 0x0601,
+    TOK_TYPE_EAP_REQ   = 0x0602,
+    TOK_TYPE_GSS_CB    = 0x0603,
+    TOK_TYPE_MIC       = 0x0404,
+    TOK_TYPE_WRAP      = 0x0504,
+    TOK_TYPE_DELETE    = 0x0405,
+    TOK_TYPE_NONE      = 0xFFFF
+};
+
 size_t
 tokenSize(const gss_OID_desc *mech, size_t body_size);
 
+void
+makeTokenHeader(const gss_OID_desc *mech,
+                size_t body_size,
+                unsigned char **buf,
+                enum gss_eap_token_type tok_type);
+
+int
+verifyTokenHeader(const gss_OID_desc * mech,
+                  size_t *body_size,
+                  unsigned char **buf_in,
+                  size_t toksize_in,
+                  enum gss_eap_token_type tok_type);
+
 /* Helper macros */
 #define GSSEAP_CALLOC(count, size)      (calloc((count), (size)))
 #define GSSEAP_FREE(ptr)                (free((ptr)))
@@ -160,6 +258,25 @@ tokenSize(const gss_OID_desc *mech, size_t body_size);
         return GSS_S_FAILURE;                           \
     } while (0)
 
+#include <pthread.h>
+
+#define GSSEAP_MUTEX                    pthread_mutex_t
+#define GSSEAP_MUTEX_INITIALIZER        PTHREAD_MUTEX_INITIALIZER
+
+#define GSSEAP_MUTEX_INIT(m)            pthread_mutex_init((m), NULL)
+#define GSSEAP_MUTEX_DESTROY(m)         pthread_mutex_destroy((m))
+#define GSSEAP_MUTEX_LOCK(m)            pthread_mutex_lock((m))
+#define GSSEAP_MUTEX_UNLOCK(m)          pthread_mutex_unlock((m))
+
+#define GSSEAP_THREAD_KEY               pthread_key_t
+#define GSSEAP_KEY_CREATE(k, d)         pthread_key_create((k), (d))
+#define GSSEAP_GETSPECIFIC(k)           pthread_getspecific((k))
+#define GSSEAP_SETSPECIFIC(k, d)        pthread_setspecific((k), (d))
+
+#define GSSEAP_THREAD_ONCE              pthread_once_t
+#define GSSEAP_ONCE(o, i)               pthread_once((o), (i))
+#define GSSEAP_ONCE_INITIALIZER         PTHREAD_ONCE_INIT
+
 /* Helper functions */
 static inline void
 store_uint16_be(uint16_t val, void *vp)
@@ -222,11 +339,23 @@ load_uint64_be(const void *cvp)
     return ((uint64_t)load_uint32_be(p) << 32) | load_uint32_be(p + 4);
 }
 
-static inline int
-oidEqual(const gss_OID_desc *o1, const gss_OID_desc  *o2)
+static OM_uint32
+makeStringBuffer(OM_uint32 *minor,
+                 const char *string,
+                 gss_buffer_t buffer)
 {
-    return (o1->length == o2->length &&
-            memcmp(o1->elements, o2->elements, o1->length) == 0);
+    size_t len = strlen(string);
+
+    buffer->value = GSSEAP_MALLOC(len + 1);
+    if (buffer->value == NULL) {
+        *minor = ENOMEM;
+        return GSS_S_FAILURE;
+    }
+    memcpy(buffer->value, string, len + 1);
+    buffer->length = len;
+
+    *minor = 0;
+    return GSS_S_COMPLETE;
 }
 
 #endif /* _UTIL_H_ */