From d7e3c500114d71a698ddbc193acb63b930f8f795 Mon Sep 17 00:00:00 2001
From: Luke Howard <lukeh@padl.com>
Date: Tue, 21 Sep 2010 14:42:04 +0200
Subject: [PATCH] set acceptor name

---
 mech_eap/accept_sec_context.c | 42 +++++++++++++++++++++++++++++++++++++-----
 mech_eap/util_radius.cpp      | 13 ++++++++-----
 mech_eap/util_radius.h        |  9 +++++++++
 3 files changed, 54 insertions(+), 10 deletions(-)

diff --git a/mech_eap/accept_sec_context.c b/mech_eap/accept_sec_context.c
index bb182bc..8350272 100644
--- a/mech_eap/accept_sec_context.c
+++ b/mech_eap/accept_sec_context.c
@@ -183,6 +183,34 @@ importInitiatorIdentity(OM_uint32 *minor,
 }
 
 static OM_uint32
+setAcceptorIdentity(OM_uint32 *minor,
+                    gss_ctx_id_t ctx,
+                    VALUE_PAIR **avps)
+{
+    OM_uint32 major, tmpMinor;
+    gss_buffer_desc nameBuf;
+
+    /* Awaits further specification */
+    if (ctx->acceptorName == GSS_C_NO_NAME)
+        return GSS_S_COMPLETE;
+
+    major = gss_display_name(minor, ctx->acceptorName, &nameBuf, NULL);
+    if (GSS_ERROR(major))
+        return major;
+
+    major = addAvpFromBuffer(minor, ctx->acceptorCtx.radHandle, avps,
+                             RADIUS_VENDOR_ATTR_GSS_EAP_ACCEPTOR_SERVICE_NAME,
+                             RADIUS_VENDOR_ID_GSS_EAP,
+                             &nameBuf);
+    if (GSS_ERROR(major))
+        return major;
+
+    gss_release_buffer(&tmpMinor, &nameBuf);
+
+    return major;
+}
+
+static OM_uint32
 eapGssSmAcceptAuthenticate(OM_uint32 *minor,
                            gss_ctx_id_t ctx,
                            gss_cred_id_t cred,
@@ -210,17 +238,21 @@ eapGssSmAcceptAuthenticate(OM_uint32 *minor,
         if (GSS_ERROR(major))
             goto cleanup;
 
-        major = addAvpFromBuffer(minor, rh, &send, PW_USER_NAME, &nameBuf);
+        major = addAvpFromBuffer(minor, rh, &send, PW_USER_NAME, 0, &nameBuf);
+        if (GSS_ERROR(major))
+            goto cleanup;
+
+        major = setAcceptorIdentity(minor, ctx, &send);
         if (GSS_ERROR(major))
             goto cleanup;
     }
 
-    major = addAvpFromBuffer(minor, rh, &send, PW_EAP_MESSAGE, inputToken);
+    major = addAvpFromBuffer(minor, rh, &send, PW_EAP_MESSAGE, 0, inputToken);
     if (GSS_ERROR(major))
         goto cleanup;
 
     if (ctx->acceptorCtx.lastStatus == CHALLENGE_RC) {
-        major = addAvpFromBuffer(minor, rh, &send, PW_STATE,
+        major = addAvpFromBuffer(minor, rh, &send, PW_STATE, 0,
                                  &ctx->acceptorCtx.state);
         if (GSS_ERROR(major))
             goto cleanup;
@@ -250,14 +282,14 @@ eapGssSmAcceptAuthenticate(OM_uint32 *minor,
 
     ctx->acceptorCtx.lastStatus = code;
 
-    major = getBufferFromAvps(minor, received, PW_EAP_MESSAGE,
+    major = getBufferFromAvps(minor, received, PW_EAP_MESSAGE, 0,
                               outputToken, TRUE);
     if ((major == GSS_S_UNAVAILABLE && code != OK_RC) ||
         GSS_ERROR(major))
         goto cleanup;
 
     if (code == CHALLENGE_RC) {
-        major = getBufferFromAvps(minor, received, PW_STATE,
+        major = getBufferFromAvps(minor, received, PW_STATE, 0,
                                   &ctx->acceptorCtx.state, TRUE);
         if (major != GSS_S_UNAVAILABLE && GSS_ERROR(major))
             goto cleanup;
diff --git a/mech_eap/util_radius.cpp b/mech_eap/util_radius.cpp
index 61b1c9c..c9aec8d 100644
--- a/mech_eap/util_radius.cpp
+++ b/mech_eap/util_radius.cpp
@@ -376,9 +376,11 @@ addAvpFromBuffer(OM_uint32 *minor,
                  rc_handle *rh,
                  VALUE_PAIR **vp,
                  int type,
+                 int vendor,
                  gss_buffer_t buffer)
 {
-    if (rc_avpair_add(rh, vp, type, buffer->value, buffer->length, 0) == NULL) {
+    if (rc_avpair_add(rh, vp, type,
+                      buffer->value, buffer->length, vendor) == NULL) {
         return GSS_S_FAILURE;
     }
 
@@ -389,6 +391,7 @@ OM_uint32
 getBufferFromAvps(OM_uint32 *minor,
                   VALUE_PAIR *vps,
                   int type,
+                  int vendor,
                   gss_buffer_t buffer,
                   int concat)
 {
@@ -398,13 +401,13 @@ getBufferFromAvps(OM_uint32 *minor,
     buffer->length = 0;
     buffer->value = NULL;
 
-    vp = rc_avpair_get(vps, type, 0);
+    vp = rc_avpair_get(vps, type, vendor);
     if (vp == NULL)
         return GSS_S_UNAVAILABLE;
 
     do {
         buffer->length += vp->lvalue;
-    } while (concat && (vp = rc_avpair_get(vp->next, type, 0)) != NULL);
+    } while (concat && (vp = rc_avpair_get(vp->next, type, vendor)) != NULL);
 
     buffer->value = GSSEAP_MALLOC(buffer->length);
     if (buffer->value == NULL) {
@@ -414,9 +417,9 @@ getBufferFromAvps(OM_uint32 *minor,
 
     p = (unsigned char *)buffer->value;
 
-    for (vp = rc_avpair_get(vps, type, 0);
+    for (vp = rc_avpair_get(vps, type, vendor);
          concat && vp != NULL;
-         vp = rc_avpair_get(vp->next, type, 0)) {
+         vp = rc_avpair_get(vp->next, type, vendor)) {
         memcpy(p, vp->strvalue, vp->lvalue);
         p += vp->lvalue;
     }
diff --git a/mech_eap/util_radius.h b/mech_eap/util_radius.h
index acc2283..4c10291 100644
--- a/mech_eap/util_radius.h
+++ b/mech_eap/util_radius.h
@@ -110,12 +110,14 @@ addAvpFromBuffer(OM_uint32 *minor,
                  rc_handle *rh,
                  VALUE_PAIR **vp,
                  int type,
+                 int vendor,
                  gss_buffer_t buffer);
 
 OM_uint32
 getBufferFromAvps(OM_uint32 *minor,
                   VALUE_PAIR *vps,
                   int type,
+                  int vendor,
                   gss_buffer_t buffer,
                   int concat);
 
@@ -136,6 +138,13 @@ enum { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY = 16,
        RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY = 17
 };
 
+/* OK, this is completely unassigned */
+#define RADIUS_VENDOR_ID_GSS_EAP   5322
+
+enum { RADIUS_VENDOR_ATTR_GSS_EAP_ACCEPTOR_SERVICE_NAME = 1,
+       RADIUS_VENDOR_ATTR_GSS_EAP_ACCEPTOR_HOST_NAME,
+       RADIUS_VENDOR_ATTR_GSS_EAP_ACCEPTOR_REALM_NAME };
+
 #ifdef __cplusplus
 }
 #endif
-- 
2.1.4