Send acceptor name and verify

[mech_eap.git] / mech_eap / init_sec_context.c

diff --git a/mech_eap/init_sec_context.c b/mech_eap/init_sec_context.c
index a123626..fa4d832 100644 (file)
--- a/mech_eap/init_sec_context.c
+++ b/mech_eap/init_sec_context.c
@@ -561,17 +561,36 @@ eapGssSmInitAcceptorName(OM_uint32 *minor,
                                   outputToken, NULL);
         if (GSS_ERROR(major))
             return major;
-    } else if (inputToken != GSS_C_NO_BUFFER &&
-               ctx->acceptorName == GSS_C_NO_NAME) {
-        /* Accept target name hint from acceptor */
+    } else if (inputToken != GSS_C_NO_BUFFER) {
+        /* Accept target name hint from acceptor or verify acceptor*/
+       gss_name_t importedName;
         major = gssEapImportName(minor, inputToken,
                                  GSS_C_NT_USER_NAME,
                                  ctx->mechanismUsed,
-                                 &ctx->acceptorName);
+                                 &importedName);
         if (GSS_ERROR(major))
             return major;
+       if (ctx->acceptorName) {
+           /* verify name */
+           int equal = 0;
+           OM_uint32 ignoredMinor = 0;
+           major = gss_compare_name(minor, importedName,
+                                    ctx->acceptorName, &equal);
+           gss_release_name(&ignoredMinor, &importedName);
+           if (GSS_ERROR(major))
+               return major;
+           if (!equal) {
+               *minor = GSSEAP_BAD_CONTEXT_TOKEN;
+               return GSS_S_DEFECTIVE_TOKEN;
+           }
+       } else {
+           /* accept acceptor name hint */
+           ctx->acceptorName = importedName;
+           importedName = NULL;
+       }
     }
 
+
     /*
      * Currently, other parts of the code assume that the acceptor name
      * is available, hence this check.
@@ -892,7 +911,8 @@ static struct gss_eap_sm eapGssInitiatorSm[] = {
     {
         ITOK_TYPE_ACCEPTOR_NAME_RESP,
         ITOK_TYPE_ACCEPTOR_NAME_REQ,
-        GSSEAP_STATE_INITIAL | GSSEAP_STATE_AUTHENTICATE,
+        GSSEAP_STATE_INITIAL | GSSEAP_STATE_AUTHENTICATE
+       | GSSEAP_STATE_ACCEPTOR_EXTS ,
         0,
         eapGssSmInitAcceptorName
     },