Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 329 insertions, 0 deletions

diff --git a/third_party/heimdal/kdc/config.c b/third_party/heimdal/kdc/config.c
new file mode 100644
index 0000000..9fd3686
--- /dev/null
+++ b/third_party/heimdal/kdc/config.c
@@ -0,0 +1,329 @@
+/*
+ * Copyright (c) 1997-2007 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Portions Copyright (c) 2009 Apple Inc. 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 "kdc_locl.h"
+#include <getarg.h>
+#include <parse_bytes.h>
+
+#define MAX_REQUEST_MAX 67108864ll /* 64MB, the maximum accepted value of max_request */
+
+struct dbinfo {
+    char *realm;
+    char *dbname;
+    char *mkey_file;
+    struct dbinfo *next;
+};
+
+static char *config_file;	/* location of kdc config file */
+
+static int require_preauth = -1; /* 1 == require preauth for all principals */
+static char *max_request_str;	/* `max_request' as a string */
+
+static int disable_des = -1;
+
+static int builtin_hdb_flag;
+int testing_flag;
+static int help_flag;
+static int version_flag;
+
+/* Should we enable the HTTP hack? */
+int enable_http = -1;
+
+/* Log over requests to the KDC */
+const char *request_log;
+
+/* A string describing on what ports to listen */
+const char *port_str;
+
+krb5_addresses explicit_addresses;
+
+size_t max_request_udp;
+size_t max_request_tcp;
+
+
+static struct getarg_strings addresses_str;	/* addresses to listen on */
+
+char *runas_string;
+char *chroot_string;
+
+
+static struct getargs args[] = {
+    {
+	"config-file",	'c',	arg_string,	&config_file,
+	"location of config file",	"file"
+    },
+    {
+	"require-preauth",	'p',	arg_negative_flag, &require_preauth,
+	"don't require pa-data in as-reqs", NULL
+    },
+    {
+	"max-request",	0,	arg_string, &max_request_str,
+	"max size for a kdc-request", "size"
+    },
+    { "enable-http", 'H', arg_flag, &enable_http, "turn on HTTP support",
+   	 NULL },
+    {	"ports",	'P', 	arg_string, rk_UNCONST(&port_str),
+	"ports to listen to", "portspec"
+    },
+    {
+	"detach",       0 ,      arg_flag, &detach_from_console,
+	"detach from console", NULL
+    },
+    {
+        "daemon-child",       0 ,      arg_flag, &daemon_child,
+        "private argument, do not use", NULL
+    },
+#ifdef __APPLE__
+    {
+        "bonjour",       0 ,      arg_flag, &do_bonjour,
+        "private argument, do not use", NULL
+    },
+#endif
+    {	"addresses",	0,	arg_strings, &addresses_str,
+	"addresses to listen on", "list of addresses" },
+    {	"disable-des",	0,	arg_flag, &disable_des,
+	"disable DES", NULL },
+    {	"builtin-hdb",	0,	arg_flag,   &builtin_hdb_flag,
+	"list builtin hdb backends", NULL},
+    {   "runas-user",	0,	arg_string, &runas_string,
+	"run as this user when connected to network", NULL
+    },
+    {   "chroot",	0,	arg_string, &chroot_string,
+	"chroot directory to run in", NULL
+    },
+    {	"testing",	0,	arg_flag,   &testing_flag, NULL, NULL },
+    {	"help",		'h',	arg_flag,   &help_flag, NULL, NULL },
+    {	"version",	'v',	arg_flag,   &version_flag, NULL, NULL }
+};
+
+static int num_args = sizeof(args) / sizeof(args[0]);
+
+static void
+usage(int ret)
+{
+    arg_printusage (args, num_args, NULL, "");
+    exit (ret);
+}
+
+static void
+add_one_address (krb5_context context, const char *str, int first)
+{
+    krb5_error_code ret;
+    krb5_addresses tmp;
+
+    ret = krb5_parse_address (context, str, &tmp);
+    if (ret)
+	krb5_err (context, 1, ret, "parse_address `%s'", str);
+    if (first)
+	krb5_copy_addresses(context, &tmp, &explicit_addresses);
+    else
+	krb5_append_addresses(context, &explicit_addresses, &tmp);
+    krb5_free_addresses (context, &tmp);
+}
+
+krb5_kdc_configuration *
+configure(krb5_context context, int argc, char **argv, int *optidx)
+{
+    krb5_kdc_configuration *config;
+    krb5_error_code ret;
+    
+    const char *p;
+
+    *optidx = 0;
+
+    while (getarg(args, num_args, argc, argv, optidx))
+	warnx("error at argument `%s'", argv[*optidx]);
+
+    if (help_flag)
+	usage (0);
+
+    if (version_flag) {
+	print_version(NULL);
+	exit(0);
+    }
+
+    if (builtin_hdb_flag) {
+	char *list;
+	ret = hdb_list_builtin(context, &list);
+	if (ret)
+	    krb5_err(context, 1, ret, "listing builtin hdb backends");
+	printf("builtin hdb backends: %s\n", list);
+	free(list);
+	exit(0);
+    }
+
+    if(detach_from_console == -1)
+	detach_from_console = krb5_config_get_bool_default(context, NULL,
+							   FALSE,
+							   "kdc",
+							   "detach", NULL);
+
+    if (detach_from_console && daemon_child == -1)
+        daemon_child = roken_detach_prep(argc, argv, "--daemon-child");
+
+    {
+	char **files;
+	int aret;
+
+	if (config_file == NULL) {
+	    aret = asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
+	    if (aret == -1 || config_file == NULL)
+		errx(1, "out of memory");
+	}
+
+	ret = krb5_prepend_config_files_default(config_file, &files);
+	if (ret)
+	    krb5_err(context, 1, ret, "getting configuration files");
+
+	ret = krb5_set_config_files(context, files);
+	krb5_free_config_files(files);
+	if(ret)
+	    krb5_err(context, 1, ret, "reading configuration files");
+    }
+
+    ret = krb5_kdc_get_config(context, &config);
+    if (ret)
+	krb5_err(context, 1, ret, "krb5_kdc_default_config");
+
+    kdc_openlog(context, "kdc", config);
+
+    ret = krb5_kdc_set_dbinfo(context, config);
+    if (ret)
+	krb5_err(context, 1, ret, "krb5_kdc_set_dbinfo");
+
+    if (max_request_str) {
+        int64_t bytes;
+
+        if ((bytes = parse_bytes(max_request_str, NULL)) < 0)
+            krb5_errx(context, 1, "--max-request must be non-negative");
+
+        if (bytes > MAX_REQUEST_MAX)
+            krb5_errx(context, 1, "--max-request size is too big "
+                      "(must be smaller than %lld)", MAX_REQUEST_MAX);
+
+        max_request_tcp = max_request_udp = bytes;
+    }
+
+    if(max_request_tcp == 0){
+	p = krb5_config_get_string (context,
+				    NULL,
+				    "kdc",
+				    "max-request",
+				    NULL);
+        if (p) {
+            int64_t bytes;
+
+            if ((bytes = parse_bytes(max_request_str, NULL)) < 0)
+                krb5_errx(context, 1, "[kdc] max-request must be non-negative");
+
+            if (bytes > MAX_REQUEST_MAX)
+                krb5_errx(context, 1, "[kdc] max-request size is too big "
+                          "(must be smaller than %lld)", MAX_REQUEST_MAX);
+
+            max_request_tcp = max_request_udp = bytes;
+        }
+    }
+
+    if(require_preauth != -1)
+	config->require_preauth = require_preauth;
+
+    if(port_str == NULL){
+	p = krb5_config_get_string(context, NULL, "kdc", "ports", NULL);
+	if (p != NULL)
+	    port_str = strdup(p);
+    }
+
+    explicit_addresses.len = 0;
+
+    if (addresses_str.num_strings) {
+	int i;
+
+	for (i = 0; i < addresses_str.num_strings; ++i)
+	    add_one_address (context, addresses_str.strings[i], i == 0);
+	free_getarg_strings (&addresses_str);
+    } else {
+	char **foo = krb5_config_get_strings (context, NULL,
+					      "kdc", "addresses", NULL);
+
+	if (foo != NULL) {
+	    add_one_address (context, *foo++, TRUE);
+	    while (*foo)
+		add_one_address (context, *foo++, FALSE);
+	}
+    }
+
+    if(enable_http == -1)
+	enable_http = krb5_config_get_bool(context, NULL, "kdc",
+					   "enable-http", NULL);
+
+    if(request_log == NULL)
+	request_log = krb5_config_get_string(context, NULL,
+					     "kdc",
+					     "kdc-request-log",
+					     NULL);
+
+    if (krb5_config_get_string(context, NULL, "kdc",
+			       "enforce-transited-policy", NULL))
+	krb5_errx(context, 1, "enforce-transited-policy deprecated, "
+		  "use [kdc]transited-policy instead");
+
+    if(max_request_tcp == 0)
+	max_request_tcp = 64 * 1024;
+    if(max_request_udp == 0)
+	max_request_udp = 64 * 1024;
+
+    if (port_str == NULL)
+	port_str = "+";
+
+    if(disable_des == -1)
+	disable_des = krb5_config_get_bool_default(context, NULL,
+						   FALSE,
+						   "kdc",
+						   "disable-des", NULL);
+    if(disable_des) {
+	krb5_enctype_disable(context, ETYPE_DES_CBC_CRC);
+	krb5_enctype_disable(context, ETYPE_DES_CBC_MD4);
+	krb5_enctype_disable(context, ETYPE_DES_CBC_MD5);
+	krb5_enctype_disable(context, ETYPE_DES_CBC_NONE);
+	krb5_enctype_disable(context, ETYPE_DES_CFB64_NONE);
+	krb5_enctype_disable(context, ETYPE_DES_PCBC_NONE);
+    }
+
+    krb5_kdc_plugin_init(context);
+
+    krb5_kdc_pkinit_config(context, config);
+
+    return config;
+}