s4:heimdal: build samba4kgetcred

metze

1 files changed, 235 insertions, 0 deletions

diff --git a/source4/heimdal/kuser/kgetcred.c b/source4/heimdal/kuser/kgetcred.c
new file mode 100644
index 0000000000..7742eca408
--- /dev/null
+++ b/source4/heimdal/kuser/kgetcred.c
@@ -0,0 +1,235 @@
+/*
+ * Copyright (c) 1997 - 2008 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 the Institute 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 THE INSTITUTE 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 THE INSTITUTE 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 "kuser_locl.h"
+
+static char *cache_str;
+static char *out_cache_str;
+static char *delegation_cred_str;
+static char *etype_str;
+static int transit_flag = 1;
+static int forwardable_flag;
+static int canonicalize_flag;
+static char *impersonate_str;
+static char *nametype_str;
+static int version_flag;
+static int help_flag;
+
+struct getargs args[] = {
+    { "cache",		'c', arg_string, &cache_str,
+      NP_("credential cache to use", ""), "cache"},
+    { "out-cache",	0,   arg_string, &out_cache_str,
+      NP_("credential cache to store credential in", ""), "cache"},
+    { "delegation-credential-cache",0,arg_string, &delegation_cred_str,
+      NP_("where to find the ticket use for delegation", ""), "cache"},
+    { "canonicalize",	0, arg_flag, &canonicalize_flag,
+      NP_("canonicalize the principal", ""), NULL },
+    { "forwardable",	0, arg_flag, &forwardable_flag,
+      NP_("forwardable ticket requested", ""), NULL},
+    { "transit-check",	0,   arg_negative_flag, &transit_flag, NULL, NULL },
+    { "enctype",	'e', arg_string, &etype_str,
+      NP_("encryption type to use", ""), "enctype"},
+    { "impersonate",	0,   arg_string, &impersonate_str,
+      NP_("client to impersonate", ""), "principal"},
+    { "name-type",		0,   arg_string, &nametype_str, NULL, NULL },
+    { "version", 	0,   arg_flag, &version_flag, NULL, NULL },
+    { "help",		0,   arg_flag, &help_flag, NULL, NULL }
+};
+
+static void
+usage (int ret)
+{
+    arg_printusage (args,
+		    sizeof(args)/sizeof(*args),
+		    NULL,
+		    "service");
+    exit (ret);
+}
+
+int
+main(int argc, char **argv)
+{
+    krb5_error_code ret;
+    krb5_context context;
+    krb5_ccache cache;
+    krb5_creds *out;
+    int optidx = 0;
+    krb5_get_creds_opt opt;
+    krb5_principal server;
+    krb5_principal impersonate = NULL;
+
+    setprogname (argv[0]);
+
+    ret = krb5_init_context (&context);
+    if (ret)
+	errx(1, "krb5_init_context failed: %d", ret);
+
+    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
+	usage(1);
+
+    if (help_flag)
+	usage (0);
+
+    if(version_flag) {
+	print_version(NULL);
+	exit(0);
+    }
+
+    argc -= optidx;
+    argv += optidx;
+
+    if (argc != 1)
+	usage (1);
+
+    if(cache_str) {
+	ret = krb5_cc_resolve(context, cache_str, &cache);
+	if (ret)
+	    krb5_err (context, 1, ret, "%s", cache_str);
+    } else {
+	ret = krb5_cc_default (context, &cache);
+	if (ret)
+	    krb5_err (context, 1, ret, "krb5_cc_resolve");
+    }
+
+    ret = krb5_get_creds_opt_alloc(context, &opt);
+    if (ret)
+	krb5_err (context, 1, ret, "krb5_get_creds_opt_alloc");
+
+    if (etype_str) {
+	krb5_enctype enctype;
+
+	ret = krb5_string_to_enctype(context, etype_str, &enctype);
+	if (ret)
+	    krb5_errx (context, 1, N_("unrecognized enctype: %s", ""),
+		       etype_str);
+	krb5_get_creds_opt_set_enctype(context, opt, enctype);
+    }
+
+    if (impersonate_str) {
+	ret = krb5_parse_name(context, impersonate_str, &impersonate);
+	if (ret)
+	    krb5_err (context, 1, ret, "krb5_parse_name %s", impersonate_str);
+	krb5_get_creds_opt_set_impersonate(context, opt, impersonate);
+	krb5_get_creds_opt_add_options(context, opt, KRB5_GC_NO_STORE);
+    }
+
+    if (out_cache_str)
+	krb5_get_creds_opt_add_options(context, opt, KRB5_GC_NO_STORE);
+
+    if (forwardable_flag)
+	krb5_get_creds_opt_add_options(context, opt, KRB5_GC_FORWARDABLE);
+    if (!transit_flag)
+	krb5_get_creds_opt_add_options(context, opt, KRB5_GC_NO_TRANSIT_CHECK);
+    if (canonicalize_flag)
+	krb5_get_creds_opt_add_options(context, opt, KRB5_GC_CANONICALIZE);
+
+    if (delegation_cred_str) {
+	krb5_ccache id;
+	krb5_creds c, mc;
+	Ticket ticket;
+
+	krb5_cc_clear_mcred(&mc);
+	ret = krb5_cc_get_principal(context, cache, &mc.server);
+	if (ret)
+	    krb5_err (context, 1, ret, "krb5_cc_get_principal");
+
+	ret = krb5_cc_resolve(context, delegation_cred_str, &id);
+	if(ret)
+	    krb5_err (context, 1, ret, "krb5_cc_resolve");
+
+	ret = krb5_cc_retrieve_cred(context, id, 0, &mc, &c);
+	if(ret)
+	    krb5_err (context, 1, ret, "krb5_cc_retrieve_cred");
+
+	ret = decode_Ticket(c.ticket.data, c.ticket.length, &ticket, NULL);
+	if (ret) {
+	    krb5_clear_error_message(context);
+	    krb5_err (context, 1, ret, "decode_Ticket");
+	}
+	krb5_free_cred_contents(context, &c);
+
+	ret = krb5_get_creds_opt_set_ticket(context, opt, &ticket);
+	if(ret)
+	    krb5_err (context, 1, ret, "krb5_get_creds_opt_set_ticket");
+	free_Ticket(&ticket);
+
+	krb5_cc_close (context, id);
+	krb5_free_principal(context, mc.server);
+
+	krb5_get_creds_opt_add_options(context, opt,
+				       KRB5_GC_CONSTRAINED_DELEGATION);
+    }
+
+    ret = krb5_parse_name(context, argv[0], &server);
+    if (ret)
+	krb5_err (context, 1, ret, "krb5_parse_name %s", argv[0]);
+
+    if (nametype_str) {
+	int32_t nametype;
+
+	ret = krb5_parse_nametype(context, nametype_str, &nametype);
+	if (ret)
+	    krb5_err(context, 1, ret, "krb5_parse_nametype");
+
+	server->name.name_type = (NAME_TYPE)nametype;
+    }
+
+    ret = krb5_get_creds(context, opt, cache, server, &out);
+    if (ret)
+	krb5_err (context, 1, ret, "krb5_get_creds");
+
+    if (out_cache_str) {
+	krb5_ccache id;
+
+	ret = krb5_cc_resolve(context, out_cache_str, &id);
+	if(ret)
+	    krb5_err (context, 1, ret, "krb5_cc_resolve");
+
+	ret = krb5_cc_initialize(context, id, out->client);
+	if(ret)
+	    krb5_err (context, 1, ret, "krb5_cc_initialize");
+
+	ret = krb5_cc_store_cred(context, id, out);
+	if(ret)
+	    krb5_err (context, 1, ret, "krb5_cc_store_cred");
+	krb5_cc_close (context, id);
+    }
+
+    krb5_free_creds(context, out);
+    krb5_free_principal(context, server);
+    krb5_get_creds_opt_free(context, opt);
+    krb5_cc_close (context, cache);
+    krb5_free_context (context);
+
+    return 0;
+}