Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

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

1 files changed, 349 insertions, 0 deletions

diff --git a/third_party/heimdal/appl/kf/kf.c b/third_party/heimdal/appl/kf/kf.c
new file mode 100644
index 0000000..fd4f174
--- /dev/null
+++ b/third_party/heimdal/appl/kf/kf.c
@@ -0,0 +1,349 @@
+/*
+ * Copyright (c) 1997 - 2000, 2002 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 "kf_locl.h"
+RCSID("$Id$");
+
+krb5_context context;
+static int help_flag;
+static int version_flag;
+static char *port_str;
+const char *service     = KF_SERVICE;
+const char *remote_name = NULL;
+int forwardable   = 0;
+const char *ccache_name = NULL;
+
+static struct getargs args[] = {
+    { "port", 'p', arg_string, &port_str, "port to connect to", "port" },
+    { "login", 'l',arg_string, &remote_name,"remote login name","login"},
+    { "ccache", 'c',arg_string, &ccache_name, "remote cred cache","ccache"},
+    { "forwardable",'F',arg_flag,&forwardable,
+       "Forward forwardable credentials", NULL },
+    { "forwardable",'G',arg_negative_flag,&forwardable,
+       "Don't forward forwardable credentials", NULL },
+    { "help", 'h', arg_flag, &help_flag, NULL, NULL },
+    { "version", 0, arg_flag, &version_flag, NULL, NULL }
+};
+
+static int num_args = sizeof(args) / sizeof(args[0]);
+
+static void
+usage(int code, struct getargs *inargs, int num_inargs)
+{
+    arg_printusage(inargs, num_inargs, NULL, "hosts");
+    exit(code);
+}
+
+static int
+client_setup(krb5_context *ctx, int *argc, char **argv)
+{
+    int optidx = 0;
+    int port = 0;
+    int status;
+
+    setprogname (argv[0]);
+
+    status = krb5_init_context (ctx);
+    if (status)
+	errx(1, "krb5_init_context failed: %d", status);
+
+    forwardable = krb5_config_get_bool (*ctx, NULL,
+					"libdefaults",
+					"forwardable",
+					NULL);
+
+    if (getarg (args, num_args, *argc, argv, &optidx))
+	usage(1, args, num_args);
+
+    if(help_flag)
+	usage (0, args, num_args);
+    if(version_flag) {
+	print_version(NULL);
+	exit(0);
+    }
+
+    if(port_str) {
+	struct servent *s = roken_getservbyname(port_str, "tcp");
+	if(s)
+	    port = s->s_port;
+	else {
+	    char *ptr;
+
+	    port = strtol (port_str, &ptr, 10);
+	    if (port == 0 && ptr == port_str)
+		errx (1, "Bad port `%s'", port_str);
+	    port = htons(port);
+	}
+    }
+
+    if (port == 0)
+	port = krb5_getportbyname (*ctx, KF_PORT_NAME, "tcp", KF_PORT_NUM);
+
+    if(*argc - optidx < 1)
+        usage(1, args, num_args);
+    *argc = optidx;
+
+    return port;
+}
+
+/*
+ * forward creds to `hostname'/`service' over `sock'
+ * return 0 iff OK
+ */
+
+static int
+proto (int sock, const char *hostname, const char *svc,
+       char *message, size_t len)
+{
+    krb5_auth_context auth_context;
+    krb5_error_code status;
+    krb5_principal server;
+    krb5_data data;
+    krb5_data data_send;
+
+    krb5_ccache     ccache;
+    krb5_creds      creds;
+    krb5_kdc_flags  flags;
+    krb5_principal  principal;
+
+    status = krb5_auth_con_init (context, &auth_context);
+    if (status) {
+	krb5_warn (context, status, "krb5_auth_con_init");
+	return 1;
+    }
+
+    status = krb5_auth_con_setaddrs_from_fd (context,
+					     auth_context,
+					     &sock);
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn (context, status, "krb5_auth_con_setaddr");
+	return 1;
+    }
+
+    status = krb5_sname_to_principal (context,
+				      hostname,
+				      svc,
+				      KRB5_NT_SRV_HST,
+				      &server);
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn (context, status, "krb5_sname_to_principal");
+	return 1;
+    }
+
+    status = krb5_sendauth (context,
+			    &auth_context,
+			    &sock,
+			    KF_VERSION_1,
+			    NULL,
+			    server,
+			    AP_OPTS_MUTUAL_REQUIRED | AP_OPTS_USE_SUBKEY,
+			    NULL,
+			    NULL,
+			    NULL,
+			    NULL,
+			    NULL,
+			    NULL);
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn(context, status, "krb5_sendauth");
+	return 1;
+    }
+
+    if (ccache_name == NULL)
+	ccache_name = "";
+
+    data_send.data   = (void *)remote_name;
+    data_send.length = strlen(remote_name) + 1;
+    status = krb5_write_priv_message(context, auth_context, &sock, &data_send);
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn (context, status, "krb5_write_message");
+	return 1;
+    }
+    data_send.data   = (void *)ccache_name;
+    data_send.length = strlen(ccache_name)+1;
+    status = krb5_write_priv_message(context, auth_context, &sock, &data_send);
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn (context, status, "krb5_write_message");
+	return 1;
+    }
+
+    memset (&creds, 0, sizeof(creds));
+
+    status = krb5_cc_default (context, &ccache);
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn (context, status, "krb5_cc_default");
+	return 1;
+    }
+
+    status = krb5_cc_get_principal (context, ccache, &principal);
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn (context, status, "krb5_cc_get_principal");
+	return 1;
+    }
+
+    creds.client = principal;
+
+    status = krb5_make_principal (context,
+				  &creds.server,
+				  principal->realm,
+				  KRB5_TGS_NAME,
+				  principal->realm,
+				  NULL);
+
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn (context, status, "krb5_make_principal");
+	return 1;
+    }
+
+    creds.times.endtime = 0;
+
+    flags.i = 0;
+    flags.b.forwarded   = 1;
+    flags.b.forwardable = forwardable;
+
+    status = krb5_get_forwarded_creds (context,
+				       auth_context,
+				       ccache,
+				       flags.i,
+				       hostname,
+				       &creds,
+				       &data);
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn (context, status, "krb5_get_forwarded_creds");
+	return 1;
+    }
+
+    status = krb5_write_priv_message(context, auth_context, &sock, &data);
+
+    if (status) {
+	krb5_auth_con_free(context, auth_context);
+	krb5_warn (context, status, "krb5_mk_priv");
+	return 1;
+    }
+
+    krb5_data_free (&data);
+
+    status = krb5_read_priv_message(context, auth_context, &sock, &data);
+    krb5_auth_con_free(context, auth_context);
+    if (status) {
+	krb5_warn (context, status, "krb5_mk_priv");
+	return 1;
+    }
+    if(data.length >= len) {
+	krb5_warnx (context, "returned string is too long, truncating");
+	memcpy(message, data.data, len);
+	message[len - 1] = '\0';
+    } else {
+	memcpy(message, data.data, data.length);
+	message[data.length] = '\0';
+    }
+    krb5_data_free (&data);
+
+    return strcmp(message, "ok") != 0;
+}
+
+static int
+doit (const char *hostname, int port, const char *svc,
+      char *message, size_t len)
+{
+    struct addrinfo *ai, *a;
+    struct addrinfo hints;
+    int error;
+    char portstr[NI_MAXSERV];
+
+    memset (&hints, 0, sizeof(hints));
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_protocol = IPPROTO_TCP;
+
+    snprintf (portstr, sizeof(portstr), "%u", ntohs(port));
+
+    error = getaddrinfo (hostname, portstr, &hints, &ai);
+    if (error) {
+	errx (1, "getaddrinfo(%s): %s", hostname, gai_strerror(error));
+    }
+
+    for (a = ai; a != NULL; a = a->ai_next) {
+	int s;
+
+	s = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
+	if (s < 0)
+	    continue;
+	if (connect (s, a->ai_addr, a->ai_addrlen) < 0) {
+	    warn ("connect(%s)", hostname);
+	    close (s);
+	    continue;
+	}
+	freeaddrinfo (ai);
+	error = proto(s, hostname, svc, message, len);
+	close(s);
+	return error;
+    }
+    warnx ("failed to contact %s", hostname);
+    freeaddrinfo (ai);
+    return 1;
+}
+
+int
+main(int argc, char **argv)
+{
+    char userbuf[128];
+    int argcc,port,i;
+    int ret=0;
+
+    argcc = argc;
+    port = client_setup(&context, &argcc, argv);
+
+    if (remote_name == NULL) {
+	remote_name = roken_get_username(userbuf, sizeof(userbuf));
+	if (remote_name == NULL)
+	    errx (1, "who are you?");
+    }
+
+    for (i = argcc;i < argc; i++) {
+	char message[128];
+	ret = doit (argv[i], port, service, message, sizeof(message));
+	if(ret == 0)
+	    warnx ("%s: ok", argv[i]);
+	else
+	    warnx ("%s: failed: %s", argv[i], message);
+    }
+    return(ret);
+}