Merge branch 'master' into ext-mic

[moonshot.git] / moonshot / mech_eap / init_sec_context.c

diff --git a/moonshot/mech_eap/init_sec_context.c b/moonshot/mech_eap/init_sec_context.c
index 930eb32..061bd38 100644 (file)
--- a/moonshot/mech_eap/init_sec_context.c
+++ b/moonshot/mech_eap/init_sec_context.c
@@ -195,15 +195,14 @@ extern int wpa_debug_level;
 #endif
 
 static OM_uint32
-peerConfigInit(OM_uint32 *minor,
-               gss_cred_id_t cred,
-               gss_ctx_id_t ctx)
+peerConfigInit(OM_uint32 *minor, gss_ctx_id_t ctx)
 {
     OM_uint32 major;
     krb5_context krbContext;
     struct eap_peer_config *eapPeerConfig = &ctx->initiatorCtx.eapPeerConfig;
     gss_buffer_desc identity = GSS_C_EMPTY_BUFFER;
     gss_buffer_desc realm = GSS_C_EMPTY_BUFFER;
+    gss_cred_id_t cred = ctx->cred;
 
     eapPeerConfig->identity = NULL;
     eapPeerConfig->identity_len = 0;
@@ -254,6 +253,11 @@ peerConfigInit(OM_uint32 *minor,
     eapPeerConfig->password = (unsigned char *)cred->password.value;
     eapPeerConfig->password_len = cred->password.length;
 
+    /* certs */
+    eapPeerConfig->ca_cert = (unsigned char *)cred->caCertificate.value;
+    eapPeerConfig->subject_match = (unsigned char *)cred->subjectNameConstraint.value;
+    eapPeerConfig->altsubject_match = (unsigned char *)cred->subjectAltNameConstraint.value;
+
     *minor = 0;
     return GSS_S_COMPLETE;
 }
@@ -341,7 +345,6 @@ initReady(OM_uint32 *minor, gss_ctx_id_t ctx, OM_uint32 reqFlags)
 
 static OM_uint32
 initBegin(OM_uint32 *minor,
-          gss_cred_id_t cred,
           gss_ctx_id_t ctx,
           gss_name_t target,
           gss_OID mech,
@@ -350,6 +353,7 @@ initBegin(OM_uint32 *minor,
           gss_channel_bindings_t chanBindings GSSEAP_UNUSED)
 {
     OM_uint32 major;
+    gss_cred_id_t cred = ctx->cred;
 
     assert(cred != GSS_C_NO_CREDENTIAL);
 
@@ -634,7 +638,7 @@ eapGssSmInitIdentity(OM_uint32 *minor,
 
 static OM_uint32
 eapGssSmInitAuthenticate(OM_uint32 *minor,
-                         gss_cred_id_t cred,
+                         gss_cred_id_t cred GSSEAP_UNUSED,
                          gss_ctx_id_t ctx,
                          gss_name_t target GSSEAP_UNUSED,
                          gss_OID mech GSSEAP_UNUSED,
@@ -647,14 +651,13 @@ eapGssSmInitAuthenticate(OM_uint32 *minor,
 {
     OM_uint32 major;
     OM_uint32 tmpMinor;
-    int code;
     struct wpabuf *resp = NULL;
 
     *minor = 0;
 
     assert(inputToken != GSS_C_NO_BUFFER);
 
-    major = peerConfigInit(minor, cred, ctx);
+    major = peerConfigInit(minor, ctx);
     if (GSS_ERROR(major))
         goto cleanup;
 
@@ -668,7 +671,7 @@ eapGssSmInitAuthenticate(OM_uint32 *minor,
 
     major = GSS_S_CONTINUE_NEEDED;
 
-    code = eap_peer_sm_step(ctx->initiatorCtx.eap);
+    eap_peer_sm_step(ctx->initiatorCtx.eap);
     if (ctx->flags & CTX_FLAG_EAP_RESP) {
         ctx->flags &= ~(CTX_FLAG_EAP_RESP);
 
@@ -715,6 +718,30 @@ cleanup:
 }
 
 static OM_uint32
+eapGssSmInitGssFlags(OM_uint32 *minor,
+                     gss_cred_id_t cred GSSEAP_UNUSED,
+                     gss_ctx_id_t ctx,
+                     gss_name_t target GSSEAP_UNUSED,
+                     gss_OID mech GSSEAP_UNUSED,
+                     OM_uint32 reqFlags GSSEAP_UNUSED,
+                     OM_uint32 timeReq GSSEAP_UNUSED,
+                     gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
+                     gss_buffer_t inputToken GSSEAP_UNUSED,
+                     gss_buffer_t outputToken,
+                     OM_uint32 *smFlags GSSEAP_UNUSED)
+{
+    unsigned char wireFlags[4];
+    gss_buffer_desc flagsBuf;
+
+    store_uint32_be(ctx->gssFlags & GSSEAP_WIRE_FLAGS_MASK, wireFlags);
+
+    flagsBuf.length = sizeof(wireFlags);
+    flagsBuf.value = wireFlags;
+
+    return duplicateBuffer(minor, &flagsBuf, outputToken);
+}
+
+static OM_uint32
 eapGssSmInitGssChannelBindings(OM_uint32 *minor,
                                gss_cred_id_t cred GSSEAP_UNUSED,
                                gss_ctx_id_t ctx,
@@ -746,6 +773,33 @@ eapGssSmInitGssChannelBindings(OM_uint32 *minor,
     return GSS_S_CONTINUE_NEEDED;
 }
 
+static OM_uint32
+eapGssSmInitInitiatorMIC(OM_uint32 *minor,
+                         gss_cred_id_t cred GSSEAP_UNUSED,
+                         gss_ctx_id_t ctx,
+                         gss_name_t target GSSEAP_UNUSED,
+                         gss_OID mech GSSEAP_UNUSED,
+                         OM_uint32 reqFlags GSSEAP_UNUSED,
+                         OM_uint32 timeReq GSSEAP_UNUSED,
+                         gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
+                         gss_buffer_t inputToken GSSEAP_UNUSED,
+                         gss_buffer_t outputToken,
+                         OM_uint32 *smFlags)
+{
+    OM_uint32 major;
+
+    major = gssEapMakeTokenMIC(minor, ctx, outputToken);
+    if (GSS_ERROR(major))
+        return major;
+
+    GSSEAP_SM_TRANSITION_NEXT(ctx);
+
+    *minor = 0;
+    *smFlags |= SM_FLAG_OUTPUT_TOKEN_CRITICAL;
+
+    return GSS_S_CONTINUE_NEEDED;
+}
+ 
 #ifdef GSSEAP_ENABLE_REAUTH
 static OM_uint32
 eapGssSmInitReauthCreds(OM_uint32 *minor,
@@ -774,39 +828,24 @@ eapGssSmInitReauthCreds(OM_uint32 *minor,
 #endif /* GSSEAP_ENABLE_REAUTH */
 
 static OM_uint32
-eapGssSmInitCompleteInitiatorExts(OM_uint32 *minor,
-                                  gss_cred_id_t cred GSSEAP_UNUSED,
-                                  gss_ctx_id_t ctx,
-                                  gss_name_t target GSSEAP_UNUSED,
-                                  gss_OID mech GSSEAP_UNUSED,
-                                  OM_uint32 reqFlags GSSEAP_UNUSED,
-                                  OM_uint32 timeReq GSSEAP_UNUSED,
-                                  gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
-                                  gss_buffer_t inputToken GSSEAP_UNUSED,
-                                  gss_buffer_t outputToken GSSEAP_UNUSED,
-                                  OM_uint32 *smFlags)
+eapGssSmInitAcceptorMIC(OM_uint32 *minor,
+                        gss_cred_id_t cred GSSEAP_UNUSED,
+                        gss_ctx_id_t ctx,
+                        gss_name_t target GSSEAP_UNUSED,
+                        gss_OID mech GSSEAP_UNUSED,
+                        OM_uint32 reqFlags GSSEAP_UNUSED,
+                        OM_uint32 timeReq GSSEAP_UNUSED,
+                        gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
+                        gss_buffer_t inputToken,
+                        gss_buffer_t outputToken GSSEAP_UNUSED,
+                        OM_uint32 *smFlags GSSEAP_UNUSED)
 {
-    GSSEAP_SM_TRANSITION_NEXT(ctx);
-
-    *minor = 0;
-    *smFlags |= SM_FLAG_FORCE_SEND_TOKEN;
+    OM_uint32 major;
 
-    return GSS_S_CONTINUE_NEEDED;
-}
+    major = gssEapVerifyTokenMIC(minor, ctx, inputToken);
+    if (GSS_ERROR(major))
+        return major;
 
-static OM_uint32
-eapGssSmInitCompleteAcceptorExts(OM_uint32 *minor,
-                                 gss_cred_id_t cred GSSEAP_UNUSED,
-                                 gss_ctx_id_t ctx,
-                                 gss_name_t target GSSEAP_UNUSED,
-                                 gss_OID mech GSSEAP_UNUSED,
-                                 OM_uint32 reqFlags GSSEAP_UNUSED,
-                                 OM_uint32 timeReq GSSEAP_UNUSED,
-                                 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
-                                 gss_buffer_t inputToken GSSEAP_UNUSED,
-                                 gss_buffer_t outputToken GSSEAP_UNUSED,
-                                 OM_uint32 *smFlags GSSEAP_UNUSED)
-{
     GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_ESTABLISHED);
 
     *minor = 0;
@@ -866,6 +905,13 @@ static struct gss_eap_sm eapGssInitiatorSm[] = {
     },
     {
         ITOK_TYPE_NONE,
+        ITOK_TYPE_GSS_FLAGS,
+        GSSEAP_STATE_INITIATOR_EXTS,
+        0,
+        eapGssSmInitGssFlags
+    },
+    {
+        ITOK_TYPE_NONE,
         ITOK_TYPE_GSS_CHANNEL_BINDINGS,
         GSSEAP_STATE_INITIATOR_EXTS,
         SM_ITOK_FLAG_REQUIRED,
@@ -873,10 +919,10 @@ static struct gss_eap_sm eapGssInitiatorSm[] = {
     },
     {
         ITOK_TYPE_NONE,
-        ITOK_TYPE_NONE,
+        ITOK_TYPE_INITIATOR_MIC,
         GSSEAP_STATE_INITIATOR_EXTS,
-        0,
-        eapGssSmInitCompleteInitiatorExts
+        SM_ITOK_FLAG_REQUIRED,
+        eapGssSmInitInitiatorMIC
     },
 #ifdef GSSEAP_ENABLE_REAUTH
     {
@@ -889,11 +935,11 @@ static struct gss_eap_sm eapGssInitiatorSm[] = {
 #endif
     /* other extensions go here */
     {
-        ITOK_TYPE_NONE,
+        ITOK_TYPE_ACCEPTOR_MIC,
         ITOK_TYPE_NONE,
         GSSEAP_STATE_ACCEPTOR_EXTS,
-        0,
-        eapGssSmInitCompleteAcceptorExts
+        SM_ITOK_FLAG_REQUIRED,
+        eapGssSmInitAcceptorMIC
     }
 };
 
@@ -939,34 +985,24 @@ gss_init_sec_context(OM_uint32 *minor,
 
     GSSEAP_MUTEX_LOCK(&ctx->mutex);
 
-    if (cred == GSS_C_NO_CREDENTIAL) {
-        if (ctx->defaultCred == GSS_C_NO_CREDENTIAL) {
-            major = gssEapAcquireCred(minor,
-                                      GSS_C_NO_NAME,
-                                      GSS_C_NO_BUFFER,
-                                      time_req,
-                                      GSS_C_NO_OID_SET,
-                                      GSS_C_INITIATE,
-                                      &ctx->defaultCred,
-                                      NULL,
-                                      NULL);
-            if (GSS_ERROR(major))
-                goto cleanup;
-        }
+    if (cred != GSS_C_NO_CREDENTIAL)
+        GSSEAP_MUTEX_LOCK(&cred->mutex);
 
-        cred = ctx->defaultCred;
+    if (ctx->cred == GSS_C_NO_CREDENTIAL) {
+        major = gssEapResolveInitiatorCred(minor, cred, target_name, &ctx->cred);
+        if (GSS_ERROR(major))
+            goto cleanup;
+
+        assert(ctx->cred != GSS_C_NO_CREDENTIAL);
     }
 
-    GSSEAP_MUTEX_LOCK(&cred->mutex);
+    GSSEAP_MUTEX_LOCK(&ctx->cred->mutex);
 
-    if ((cred->flags & CRED_FLAG_INITIATE) == 0) {
-        major = GSS_S_NO_CRED;
-        *minor = GSSEAP_CRED_USAGE_MISMATCH;
-        goto cleanup;
-    }
+    assert(ctx->cred->flags & CRED_FLAG_RESOLVED);
+    assert(ctx->cred->flags & CRED_FLAG_INITIATE);
 
     if (initialContextToken) {
-        major = initBegin(minor, cred, ctx, target_name, mech_type,
+        major = initBegin(minor, ctx, target_name, mech_type,
                           req_flags, time_req, input_chan_bindings);
         if (GSS_ERROR(major))
             goto cleanup;
@@ -1007,6 +1043,8 @@ gss_init_sec_context(OM_uint32 *minor,
 cleanup:
     if (cred != GSS_C_NO_CREDENTIAL)
         GSSEAP_MUTEX_UNLOCK(&cred->mutex);
+    if (ctx->cred != GSS_C_NO_CREDENTIAL)
+        GSSEAP_MUTEX_UNLOCK(&ctx->cred->mutex);
     GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
 
     if (GSS_ERROR(major))