1 files changed, 542 insertions, 0 deletions

diff --git a/lib/gssapi/test_context.c b/lib/gssapi/test_context.c
new file mode 100644
index 000000000000..e02535aec22a
--- /dev/null
+++ b/lib/gssapi/test_context.c
@@ -0,0 +1,542 @@
+/*
+ * Copyright (c) 2006 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * 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 KTH 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 KTH AND ITS 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 KTH OR ITS 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 "krb5/gsskrb5_locl.h"
+#include <err.h>
+#include <getarg.h>
+#include "test_common.h"
+
+RCSID("$Id: test_context.c 20075 2007-01-31 06:05:19Z lha $");
+
+static char *type_string;
+static char *mech_string;
+static char *ret_mech_string;
+static int dns_canon_flag = -1;
+static int mutual_auth_flag = 0;
+static int dce_style_flag = 0;
+static int wrapunwrap_flag = 0;
+static int getverifymic_flag = 0;
+static int deleg_flag = 0;
+static int version_flag = 0;
+static int verbose_flag = 0;
+static int help_flag	= 0;
+
+static struct {
+    const char *name;
+    gss_OID *oid;
+} o2n[] = {
+    { "krb5", &GSS_KRB5_MECHANISM },
+    { "spnego", &GSS_SPNEGO_MECHANISM },
+    { "ntlm", &GSS_NTLM_MECHANISM },
+    { "sasl-digest-md5", &GSS_SASL_DIGEST_MD5_MECHANISM }
+};
+
+static gss_OID
+string_to_oid(const char *name)
+{
+    int i;
+    for (i = 0; i < sizeof(o2n)/sizeof(o2n[0]); i++)
+	if (strcasecmp(name, o2n[i].name) == 0)
+	    return *o2n[i].oid;
+    errx(1, "name %s not unknown", name);
+}
+
+static const char *
+oid_to_string(const gss_OID oid)
+{
+    int i;
+    for (i = 0; i < sizeof(o2n)/sizeof(o2n[0]); i++)
+	if (gss_oid_equal(oid, *o2n[i].oid))
+	    return o2n[i].name;
+    return "unknown oid";
+}
+
+static void
+loop(gss_OID mechoid,
+     gss_OID nameoid, const char *target,
+     gss_cred_id_t init_cred,
+     gss_ctx_id_t *sctx, gss_ctx_id_t *cctx,
+     gss_OID *actual_mech, 
+     gss_cred_id_t *deleg_cred)
+{
+    int server_done = 0, client_done = 0;
+    OM_uint32 maj_stat, min_stat;
+    gss_name_t gss_target_name;
+    gss_buffer_desc input_token, output_token;
+    OM_uint32 flags = 0, ret_cflags, ret_sflags;
+    gss_OID actual_mech_client; 
+    gss_OID actual_mech_server; 
+
+    *actual_mech = GSS_C_NO_OID;
+
+    flags |= GSS_C_INTEG_FLAG;
+    flags |= GSS_C_CONF_FLAG;
+
+    if (mutual_auth_flag)
+	flags |= GSS_C_MUTUAL_FLAG;
+    if (dce_style_flag)
+	flags |= GSS_C_DCE_STYLE;
+    if (deleg_flag)
+	flags |= GSS_C_DELEG_FLAG;
+
+    input_token.value = rk_UNCONST(target);
+    input_token.length = strlen(target);
+
+    maj_stat = gss_import_name(&min_stat,
+			       &input_token,
+			       nameoid,
+			       &gss_target_name);
+    if (GSS_ERROR(maj_stat))
+	err(1, "import name creds failed with: %d", maj_stat);
+
+    input_token.length = 0;
+    input_token.value = NULL;
+
+    while (!server_done || !client_done) {
+
+	maj_stat = gss_init_sec_context(&min_stat,
+					init_cred,
+					cctx,
+					gss_target_name,
+					mechoid, 
+					flags,
+					0, 
+					NULL,
+					&input_token,
+					&actual_mech_client,
+					&output_token,
+					&ret_cflags,
+					NULL);
+	if (GSS_ERROR(maj_stat))
+	    errx(1, "init_sec_context: %s",
+		 gssapi_err(maj_stat, min_stat, mechoid));
+	if (maj_stat & GSS_S_CONTINUE_NEEDED)
+	    ;
+	else
+	    client_done = 1;
+
+	if (client_done && server_done)
+	    break;
+
+	if (input_token.length != 0)
+	    gss_release_buffer(&min_stat, &input_token);
+
+	maj_stat = gss_accept_sec_context(&min_stat,
+					  sctx,
+					  GSS_C_NO_CREDENTIAL,
+					  &output_token,
+					  GSS_C_NO_CHANNEL_BINDINGS,
+					  NULL,
+					  &actual_mech_server,
+					  &input_token,
+					  &ret_sflags,
+					  NULL,
+					  deleg_cred);
+	if (GSS_ERROR(maj_stat))
+		errx(1, "accept_sec_context: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech_server));
+
+	if (verbose_flag)
+	    printf("%.*s", (int)input_token.length, (char *)input_token.value);
+
+	if (output_token.length != 0)
+	    gss_release_buffer(&min_stat, &output_token);
+
+	if (maj_stat & GSS_S_CONTINUE_NEEDED)
+	    ;
+	else
+	    server_done = 1;
+    }	
+    if (output_token.length != 0)
+	gss_release_buffer(&min_stat, &output_token);
+    if (input_token.length != 0)
+	gss_release_buffer(&min_stat, &input_token);
+    gss_release_name(&min_stat, &gss_target_name);
+
+    if (gss_oid_equal(actual_mech_server, actual_mech_client) == 0)
+	errx(1, "mech mismatch");
+    *actual_mech = actual_mech_server;
+}
+
+static void
+wrapunwrap(gss_ctx_id_t cctx, gss_ctx_id_t sctx, gss_OID mechoid)
+{
+    gss_buffer_desc input_token, output_token, output_token2;
+    OM_uint32 min_stat, maj_stat;
+    int32_t flags = 0;
+    gss_qop_t qop_state;
+    int conf_state;
+
+    input_token.value = "foo";
+    input_token.length = 3;
+
+    maj_stat = gss_wrap(&min_stat, cctx, flags, 0, &input_token,
+			&conf_state, &output_token);
+    if (maj_stat != GSS_S_COMPLETE)
+	errx(1, "gss_wrap failed: %s",
+	     gssapi_err(maj_stat, min_stat, mechoid));
+
+    maj_stat = gss_unwrap(&min_stat, sctx, &output_token,
+			  &output_token2, &conf_state, &qop_state);
+    if (maj_stat != GSS_S_COMPLETE)
+	errx(1, "gss_unwrap failed: %s",
+	     gssapi_err(maj_stat, min_stat, mechoid));
+}
+
+static void
+getverifymic(gss_ctx_id_t cctx, gss_ctx_id_t sctx, gss_OID mechoid)
+{
+    gss_buffer_desc input_token, output_token;
+    OM_uint32 min_stat, maj_stat;
+    gss_qop_t qop_state;
+
+    input_token.value = "bar";
+    input_token.length = 3;
+
+    maj_stat = gss_get_mic(&min_stat, cctx, 0, &input_token,
+			   &output_token);
+    if (maj_stat != GSS_S_COMPLETE)
+	errx(1, "gss_get_mic failed: %s",
+	     gssapi_err(maj_stat, min_stat, mechoid));
+
+    maj_stat = gss_verify_mic(&min_stat, sctx, &input_token,
+			      &output_token, &qop_state);
+    if (maj_stat != GSS_S_COMPLETE)
+	errx(1, "gss_verify_mic failed: %s",
+	     gssapi_err(maj_stat, min_stat, mechoid));
+}
+
+
+/*
+ *
+ */
+
+static struct getargs args[] = {
+    {"name-type",0,	arg_string, &type_string,  "type of name", NULL },
+    {"mech-type",0,	arg_string, &mech_string,  "type of mech", NULL },
+    {"ret-mech-type",0,	arg_string, &ret_mech_string,
+     "type of return mech", NULL },
+    {"dns-canonicalize",0,arg_negative_flag, &dns_canon_flag, 
+     "use dns to canonicalize", NULL },
+    {"mutual-auth",0,	arg_flag,	&mutual_auth_flag,"mutual auth", NULL },
+    {"dce-style",0,	arg_flag,	&dce_style_flag, "dce-style", NULL },
+    {"wrapunwrap",0,	arg_flag,	&wrapunwrap_flag, "wrap/unwrap", NULL },
+    {"getverifymic",0,	arg_flag,	&getverifymic_flag, 
+     "get and verify mic", NULL },
+    {"delegate",0,	arg_flag,	&deleg_flag, "delegate credential", NULL },
+    {"version",	0,	arg_flag,	&version_flag, "print version", NULL },
+    {"verbose",	'v',	arg_flag,	&verbose_flag, "verbose", NULL },
+    {"help",	0,	arg_flag,	&help_flag,  NULL, NULL }
+};
+
+static void
+usage (int ret)
+{
+    arg_printusage (args, sizeof(args)/sizeof(*args),
+		    NULL, "service@host");
+    exit (ret);
+}
+
+int
+main(int argc, char **argv)
+{
+    int optind = 0;
+    OM_uint32 min_stat, maj_stat;
+    gss_ctx_id_t cctx, sctx;
+    void *ctx;
+    gss_OID nameoid, mechoid, actual_mech;
+    gss_cred_id_t deleg_cred = GSS_C_NO_CREDENTIAL;
+
+    setprogname(argv[0]);
+
+    cctx = sctx = GSS_C_NO_CONTEXT;
+
+    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind))
+	usage(1);
+    
+    if (help_flag)
+	usage (0);
+
+    if(version_flag){
+	print_version(NULL);
+	exit(0);
+    }
+
+    argc -= optind;
+    argv += optind;
+
+    if (argc != 1)
+	usage(1);
+
+    if (dns_canon_flag != -1)
+	gsskrb5_set_dns_canonicalize(dns_canon_flag);
+
+    if (type_string == NULL)
+	nameoid = GSS_C_NT_HOSTBASED_SERVICE;
+    else if (strcmp(type_string, "hostbased-service") == 0)
+	nameoid = GSS_C_NT_HOSTBASED_SERVICE;
+    else if (strcmp(type_string, "krb5-principal-name") == 0)
+	nameoid = GSS_KRB5_NT_PRINCIPAL_NAME;
+    else
+	errx(1, "%s not suppported", type_string);
+
+    if (mech_string == NULL)
+	mechoid = GSS_KRB5_MECHANISM;
+    else 
+	mechoid = string_to_oid(mech_string);
+
+    loop(mechoid, nameoid, argv[0], GSS_C_NO_CREDENTIAL,
+	 &sctx, &cctx, &actual_mech, &deleg_cred);
+    
+    if (verbose_flag)
+	printf("resulting mech: %s\n", oid_to_string(actual_mech));
+
+    if (ret_mech_string) {
+	gss_OID retoid;
+
+	retoid = string_to_oid(ret_mech_string);
+
+	if (gss_oid_equal(retoid, actual_mech) == 0)
+	    errx(1, "actual_mech mech is not the expected type %s", 
+		 ret_mech_string);
+    }
+
+    /* XXX should be actual_mech */
+    if (gss_oid_equal(mechoid, GSS_KRB5_MECHANISM)) { 
+	krb5_context context;
+	time_t time, skew;
+	gss_buffer_desc authz_data;
+	gss_buffer_desc in, out1, out2;
+	krb5_keyblock *keyblock, *keyblock2;
+	krb5_timestamp now;
+	krb5_error_code ret;
+
+	ret = krb5_init_context(&context);
+	if (ret)
+	    errx(1, "krb5_init_context");
+
+	ret = krb5_timeofday(context, &now);
+	if (ret) 
+		errx(1, "krb5_timeofday failed");
+	
+	/* client */
+	maj_stat = gss_krb5_export_lucid_sec_context(&min_stat,
+						     &cctx,
+						     1, /* version */
+						     &ctx);
+	if (maj_stat != GSS_S_COMPLETE)
+		errx(1, "gss_krb5_export_lucid_sec_context failed: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech));
+	
+	
+	maj_stat = gss_krb5_free_lucid_sec_context(&maj_stat, ctx);
+	if (maj_stat != GSS_S_COMPLETE)
+	    errx(1, "gss_krb5_free_lucid_sec_context failed: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech));
+	
+	/* server */
+	maj_stat = gss_krb5_export_lucid_sec_context(&min_stat,
+						     &sctx,
+						     1, /* version */
+						     &ctx);
+	if (maj_stat != GSS_S_COMPLETE)
+	    errx(1, "gss_krb5_export_lucid_sec_context failed: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech));
+	maj_stat = gss_krb5_free_lucid_sec_context(&min_stat, ctx);
+	if (maj_stat != GSS_S_COMPLETE)
+	    errx(1, "gss_krb5_free_lucid_sec_context failed: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech));
+
+ 	maj_stat = gsskrb5_extract_authtime_from_sec_context(&min_stat,
+							     sctx,
+							     &time);
+	if (maj_stat != GSS_S_COMPLETE)
+	    errx(1, "gsskrb5_extract_authtime_from_sec_context failed: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech));
+
+	skew = abs(time - now);
+	if (skew > krb5_get_max_time_skew(context)) {
+	    errx(1, "gsskrb5_extract_authtime_from_sec_context failed: "
+		 "time skew too great %llu > %llu", 
+		 (unsigned long long)skew, 
+		 (unsigned long long)krb5_get_max_time_skew(context));
+	}
+
+ 	maj_stat = gsskrb5_extract_service_keyblock(&min_stat,
+						    sctx,
+						    &keyblock);
+	if (maj_stat != GSS_S_COMPLETE)
+	    errx(1, "gsskrb5_export_service_keyblock failed: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech));
+
+	krb5_free_keyblock(context, keyblock);
+
+ 	maj_stat = gsskrb5_get_subkey(&min_stat,
+				      sctx,
+				      &keyblock);
+	if (maj_stat != GSS_S_COMPLETE 
+	    && (!(maj_stat == GSS_S_FAILURE && min_stat == GSS_KRB5_S_KG_NO_SUBKEY)))
+	    errx(1, "gsskrb5_get_subkey server failed: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech));
+
+	if (maj_stat != GSS_S_COMPLETE)
+	    keyblock = NULL;
+	
+ 	maj_stat = gsskrb5_get_subkey(&min_stat,
+				      cctx,
+				      &keyblock2);
+	if (maj_stat != GSS_S_COMPLETE 
+	    && (!(maj_stat == GSS_S_FAILURE && min_stat == GSS_KRB5_S_KG_NO_SUBKEY)))
+	    errx(1, "gsskrb5_get_subkey client failed: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech));
+
+	if (maj_stat != GSS_S_COMPLETE)
+	    keyblock2 = NULL;
+
+	if (keyblock || keyblock2) {
+	    if (keyblock == NULL)
+		errx(1, "server missing token keyblock");
+	    if (keyblock2 == NULL)
+		errx(1, "client missing token keyblock");
+
+	    if (keyblock->keytype != keyblock2->keytype)
+		errx(1, "enctype mismatch");
+	    if (keyblock->keyvalue.length != keyblock2->keyvalue.length)
+		errx(1, "key length mismatch");
+	    if (memcmp(keyblock->keyvalue.data, keyblock2->keyvalue.data, 
+		       keyblock2->keyvalue.length) != 0)
+		errx(1, "key data mismatch");
+	}
+
+	if (keyblock)
+	    krb5_free_keyblock(context, keyblock);
+	if (keyblock2)
+	    krb5_free_keyblock(context, keyblock2);
+
+ 	maj_stat = gsskrb5_get_initiator_subkey(&min_stat,
+						sctx,
+						&keyblock);
+	if (maj_stat != GSS_S_COMPLETE 
+	    && (!(maj_stat == GSS_S_FAILURE && min_stat == GSS_KRB5_S_KG_NO_SUBKEY)))
+	    errx(1, "gsskrb5_get_initiator_subkey failed: %s",
+		     gssapi_err(maj_stat, min_stat, actual_mech));
+
+	if (maj_stat == GSS_S_COMPLETE)
+	    krb5_free_keyblock(context, keyblock);
+
+ 	maj_stat = gsskrb5_extract_authz_data_from_sec_context(&min_stat,
+							       sctx,
+							       128,
+							       &authz_data);
+	if (maj_stat == GSS_S_COMPLETE)
+	    gss_release_buffer(&min_stat, &authz_data);
+
+	krb5_free_context(context);
+
+
+	memset(&out1, 0, sizeof(out1));
+	memset(&out2, 0, sizeof(out2));
+
+	in.value = "foo";
+	in.length = 3;
+
+	gss_pseudo_random(&min_stat, sctx, GSS_C_PRF_KEY_FULL, &in, 
+			  100, &out1);
+	gss_pseudo_random(&min_stat, cctx, GSS_C_PRF_KEY_FULL, &in, 
+			  100, &out2);
+
+	if (out1.length != out2.length)
+	    errx(1, "prf len mismatch");
+	if (memcmp(out1.value, out2.value, out1.length) != 0)
+	    errx(1, "prf data mismatch");
+	
+	gss_release_buffer(&min_stat, &out1);
+
+	gss_pseudo_random(&min_stat, sctx, GSS_C_PRF_KEY_FULL, &in, 
+			  100, &out1);
+
+	if (out1.length != out2.length)
+	    errx(1, "prf len mismatch");
+	if (memcmp(out1.value, out2.value, out1.length) != 0)
+	    errx(1, "prf data mismatch");
+
+	gss_release_buffer(&min_stat, &out1);
+	gss_release_buffer(&min_stat, &out2);
+
+	in.value = "bar";
+	in.length = 3;
+
+	gss_pseudo_random(&min_stat, sctx, GSS_C_PRF_KEY_PARTIAL, &in, 
+			  100, &out1);
+	gss_pseudo_random(&min_stat, cctx, GSS_C_PRF_KEY_PARTIAL, &in, 
+			  100, &out2);
+
+	if (out1.length != out2.length)
+	    errx(1, "prf len mismatch");
+	if (memcmp(out1.value, out2.value, out1.length) != 0)
+	    errx(1, "prf data mismatch");
+
+	gss_release_buffer(&min_stat, &out1);
+	gss_release_buffer(&min_stat, &out2);
+
+	wrapunwrap_flag = 1;
+	getverifymic_flag = 1;
+    }
+
+    if (wrapunwrap_flag) {
+	wrapunwrap(cctx, sctx, actual_mech);
+	wrapunwrap(cctx, sctx, actual_mech);
+	wrapunwrap(sctx, cctx, actual_mech);
+	wrapunwrap(sctx, cctx, actual_mech);
+    }
+    if (getverifymic_flag) {
+	getverifymic(cctx, sctx, actual_mech);
+	getverifymic(cctx, sctx, actual_mech);
+	getverifymic(sctx, cctx, actual_mech);
+	getverifymic(sctx, cctx, actual_mech);
+    }
+
+    gss_delete_sec_context(&min_stat, &cctx, NULL);
+    gss_delete_sec_context(&min_stat, &sctx, NULL);
+
+    if (deleg_cred != GSS_C_NO_CREDENTIAL) {
+
+	loop(mechoid, nameoid, argv[0], deleg_cred, &cctx, &sctx, &actual_mech, NULL);
+
+	gss_delete_sec_context(&min_stat, &cctx, NULL);
+	gss_delete_sec_context(&min_stat, &sctx, NULL);
+
+    }
+
+    return 0;
+}