implement gss_acquire_cred_ex with password support

add missing SPIs to gss_mech_switch s/acquire_cred_ex/acquire_cred_ext/g
2011-03-27 17:29:24 +11:00
parent fedd232ee4
commit 02cf28e20b
14 changed files with 460 additions and 59 deletions
--- a/lib/gssapi/mech/gss_acquire_cred_with_password.c
+++ b/lib/gssapi/mech/gss_acquire_cred_with_password.c
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2011, PADL Software Pty Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of PADL Software nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "mech_locl.h"
+
+OM_uint32
+gss_acquire_cred_with_password(OM_uint32 *minor_status,
+			       const gss_name_t desired_name,
+			       const gss_buffer_t password,
+			       OM_uint32 time_req,
+			       const gss_OID_set desired_mechs,
+			       gss_cred_usage_t cred_usage,
+			       gss_cred_id_t *output_cred_handle,
+			       gss_OID_set *actual_mechs,
+			       OM_uint32 *time_rec)
+{
+    OM_uint32 major_status, tmp_minor;
+
+    if (desired_mechs == GSS_C_NO_OID_SET) {
+	major_status = gss_acquire_cred_ext(minor_status,
+					    desired_name,
+					    GSS_C_CRED_PASSWORD,
+					    password,
+					    time_req,
+					    GSS_C_NO_OID,
+					    cred_usage,
+					    output_cred_handle);
+	if (GSS_ERROR(major_status))
+	    return major_status;
+    } else {
+	size_t i;
+	struct _gss_cred *new_cred;
+
+	new_cred = calloc(1, sizeof(*new_cred));
+	if (new_cred == NULL) {
+	    *minor_status = ENOMEM;
+	    return GSS_S_FAILURE;
+	}
+	HEIM_SLIST_INIT(&new_cred->gc_mc);
+
+	for (i = 0; i < desired_mechs->count; i++) {
+	    struct _gss_cred *tmp_cred = NULL;
+	    struct _gss_mechanism_cred *mc;
+
+	    major_status = gss_acquire_cred_ext(minor_status,
+						desired_name,
+						GSS_C_CRED_PASSWORD,
+						password,
+						time_req,
+						&desired_mechs->elements[i],
+						cred_usage,
+						(gss_cred_id_t *)&tmp_cred);
+	    if (GSS_ERROR(major_status))
+		continue;
+
+	    mc = HEIM_SLIST_FIRST(&tmp_cred->gc_mc);
+	    if (mc) {
+		HEIM_SLIST_REMOVE_HEAD(&tmp_cred->gc_mc, gmc_link);
+		HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link);
+	    }
+
+	    gss_release_cred(&tmp_minor, &tmp_cred);
+	}
+
+	if (!HEIM_SLIST_FIRST(&new_cred->gc_mc)) {
+	    free(new_cred);
+	    *minor_status = 0;
+	    return GSS_S_NO_CRED;
+	}
+    
+	*output_cred_handle = (gss_cred_id_t)new_cred;
+    }
+
+    if (actual_mechs != NULL || time_rec != NULL) {
+	major_status = gss_inquire_cred(minor_status,
+					*output_cred_handle,
+					NULL,
+					time_rec,
+					NULL,
+					actual_mechs);
+	if (GSS_ERROR(major_status)) {
+	    gss_release_cred(&tmp_minor, output_cred_handle);
+	    return major_status;
+	}
+    }
+
+    *minor_status = 0;
+    return GSS_S_COMPLETE;
+}