new program
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@6486 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
14
appl/kf/Makefile.am
Normal file
14
appl/kf/Makefile.am
Normal file
@@ -0,0 +1,14 @@
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# $Id$
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include $(top_srcdir)/Makefile.am.common
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noinst_PROGRAMS = kf kfd
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kf_SOURCES = kf.c kf_locl.h
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kfd_SOURCES = kfd.c kf_locl.h
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LDADD = $(top_builddir)/lib/krb5/libkrb5.la \
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$(top_builddir)/lib/des/libdes.la \
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$(top_builddir)/lib/asn1/libasn1.la \
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$(LIB_roken)
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363
appl/kf/kf.c
Normal file
363
appl/kf/kf.c
Normal file
@@ -0,0 +1,363 @@
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/*
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* Copyright (c) 1997 - 1999 Kungliga Tekniska H<>gskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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||||
*
|
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* Redistribution and use in source and binary forms, with or without
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* 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.
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||||
*
|
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* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Kungliga Tekniska
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||||
* H<>gskolan and its contributors.
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*
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* 4. 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
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||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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||||
* 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
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* SUCH DAMAGE.
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*/
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#include "kf_locl.h"
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RCSID("$Id$");
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krb5_context context;
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static int help_flag;
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static int version_flag;
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static char *port_str;
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char *service = SERVICE;
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char *remote_name=NULL;
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int forwardable=0;
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char *tk_file=NULL;
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static struct getargs args[] = {
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{ "port", 'p', arg_string, &port_str, "port to connect to", "port" },
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{ "login", 'l',arg_string, &remote_name,"remote login name","login"},
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{ "tkfile", 't',arg_string, &tk_file,"remote ticket file","tkfile"},
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{ "forwardable",'F',arg_flag,&forwardable,
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"Forward forwardable credentials", NULL },
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{ "help", 'h', arg_flag, &help_flag },
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{ "version", 0, arg_flag, &version_flag }
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};
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static int num_args = sizeof(args) / sizeof(args[0]);
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static void
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usage(int code, struct getargs *args, int num_args)
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{
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arg_printusage(args, num_args, NULL, "hosts");
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exit(code);
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}
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static int
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client_setup(krb5_context *context, int *argc, char **argv)
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{
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int optind;
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int port = 0;
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optind = krb5_program_setup(context, *argc, argv, args, num_args, usage);
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if(help_flag)
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(*usage)(0, args, num_args);
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if(version_flag) {
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print_version(NULL);
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exit(0);
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}
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if(port_str){
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struct servent *s = roken_getservbyname(port_str, "tcp");
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if(s)
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port = s->s_port;
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else {
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char *ptr;
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port = strtol (port_str, &ptr, 10);
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if (port == 0 && ptr == port_str)
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errx (1, "Bad port `%s'", port_str);
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port = htons(port);
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}
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}
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if (port == 0)
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port = krb5_getportbyname (*context, PORT, "tcp", PORT_NUM);
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if(*argc - optind < 1)
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usage(1, args, num_args);
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*argc=optind;
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return port;
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}
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static int
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proto (int sock, const char *hostname, const char *service)
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{
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struct sockaddr_in remote, local;
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int addrlen;
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krb5_address remote_addr, local_addr;
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krb5_context context;
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krb5_auth_context auth_context;
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krb5_error_code status;
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krb5_principal server;
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krb5_data data;
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krb5_data packet;
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krb5_data data_send;
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u_int32_t len, net_len;
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krb5_ccache ccache;
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krb5_creds creds;
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krb5_kdc_flags flags;
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krb5_principal principal;
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struct passwd *pwd;
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char ret_string[10];
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char buf[1000];
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addrlen = sizeof(local);
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if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
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|| addrlen != sizeof(local))
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{warn ("getsockname(%s)", hostname);
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return 1;
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}
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addrlen = sizeof(remote);
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if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
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|| addrlen != sizeof(remote))
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{warn ("getpeername(%s)", hostname);
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return 1;
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}
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status = krb5_init_context(&context);
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if (status)
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errx (1, "krb5_init_context: %s",
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krb5_get_err_text(context, status));
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status = krb5_auth_con_init (context, &auth_context);
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if (status)
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{warn ("krb5_auth_con_init: %s",
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krb5_get_err_text(context, status));
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return 1;
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}
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local_addr.addr_type = AF_INET;
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local_addr.address.length = sizeof(local.sin_addr);
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local_addr.address.data = &local.sin_addr;
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remote_addr.addr_type = AF_INET;
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remote_addr.address.length = sizeof(remote.sin_addr);
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remote_addr.address.data = &remote.sin_addr;
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status = krb5_auth_con_setaddrs (context,
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auth_context,
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&local_addr,
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&remote_addr);
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if (status)
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{warn ("krb5_auth_con_setaddr: %s",
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krb5_get_err_text(context, status));
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return 1;
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}
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status = krb5_sname_to_principal (context,
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hostname,
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service,
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KRB5_NT_SRV_HST,
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&server);
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if (status)
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{warn ("krb5_sname_to_principal: %s",
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krb5_get_err_text(context, status));
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return 1;
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}
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status = krb5_sendauth (context,
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&auth_context,
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&sock,
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VERSION,
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NULL,
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server,
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AP_OPTS_MUTUAL_REQUIRED,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL);
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if (status)
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{warn("krb5_sendauth: %s",
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krb5_get_err_text(context, status));
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return 1;
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}
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if (remote_name == NULL)
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{
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pwd = getpwuid (getuid());
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if (pwd == NULL)
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errx (1, "who are you?");
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remote_name=pwd->pw_name;
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}
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krb5_data_zero(&data_send);
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data_send.data=remote_name;
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data_send.length=strlen(remote_name) + 1;
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status=krb5_write_message(context,&sock,&data_send);
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if (status)
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{err(1,"krb5_write_message");
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}
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if (tk_file) snprintf (buf, sizeof(buf), "%s", tk_file);
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else snprintf (buf, sizeof(buf), "");
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data_send.data=buf;
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data_send.length=strlen(buf)+1;
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status=krb5_write_message(context,&sock,&data_send);
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if (status)
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{err(1,"krb5_write_message");
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}
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memset (&creds, 0, sizeof(creds));
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status = krb5_cc_default (context, &ccache);
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if (status) {
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warn ("could not forward creds: krb5_cc_default: %s",
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krb5_get_err_text (context, status));
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}
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status = krb5_cc_get_principal (context, ccache, &principal);
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if (status) {
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warn ("could not forward creds: krb5_cc_get_principal: %s",
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krb5_get_err_text (context, status));
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return 1;
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}
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creds.client = principal;
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status = krb5_build_principal (context,
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&creds.server,
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strlen(principal->realm),
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principal->realm,
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"krbtgt",
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principal->realm,
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NULL);
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if (status) {
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warn ("could not forward creds: krb5_build_principal: %s",
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krb5_get_err_text (context, status));
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return 1;
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}
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creds.times.endtime = 0;
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flags.i = 0;
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flags.b.forwarded = 1;
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flags.b.forwardable = forwardable;
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status = krb5_get_forwarded_creds (context,
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auth_context,
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ccache,
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flags.i,
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hostname,
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&creds,
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&data);
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if (status) {
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warn ("could not forward creds: krb5_get_forwarded_creds: %s",
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krb5_get_err_text (context, status));
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return 1;
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}
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status = krb5_mk_priv (context,
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auth_context,
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&data,
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&packet,
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NULL);
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if (status)
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{warn ("krb5_mk_priv: %s",
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krb5_get_err_text(context, status));
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return 1;}
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len = packet.length;
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net_len = htonl(len);
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if (krb5_net_write (context, &sock, &net_len, 4) != 4)
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{warn("krb5_net_write");
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return 1;}
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if (krb5_net_write (context, &sock, packet.data, len) != len)
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{warn ("krb5_net_write");
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return 1;}
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krb5_data_free (&data);
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if (krb5_net_read (context, &sock, &net_len, 4) != 4)
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err (1, "krb5_net_read");
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len = ntohl(net_len);
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if (krb5_net_read (context, &sock, ret_string, len) != len)
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err (1, "krb5_net_read");
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return(strcmp(ret_string,"ok"));
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}
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static int
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doit (const char *hostname, int port, const char *service)
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{
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struct in_addr **h;
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struct hostent *hostent;
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hostent = roken_gethostbyname (hostname);
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if (hostent == NULL)
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{warn ("gethostbyname '%s' failed: %s",
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hostname,
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hstrerror(h_errno));
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return 1;
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}
|
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for (h = (struct in_addr **)hostent->h_addr_list;
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*h != NULL;
|
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++h) {
|
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struct sockaddr_in addr;
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int s;
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memset (&addr, 0, sizeof(addr));
|
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addr.sin_family = AF_INET;
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addr.sin_port = port;
|
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addr.sin_addr = **h;
|
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|
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s = socket (AF_INET, SOCK_STREAM, 0);
|
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if (s < 0)
|
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err (1, "socket");
|
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if (connect (s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
|
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warn ("connect(%s)", hostname);
|
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close (s);
|
||||
continue;
|
||||
}
|
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return proto (s, hostname, service);
|
||||
}
|
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return 1;
|
||||
}
|
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|
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int
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main(int argc, char **argv)
|
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{ int argcc,port,i;
|
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int ret=0;
|
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|
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argcc=argc;
|
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port=client_setup(&context, &argcc, argv);
|
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|
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for (i=argcc;i<argc;i++)
|
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{ret=doit (argv[i], port, service);
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printf("%s:%s\n",argv[i],ret ? "failed" : "ok");
|
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}
|
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return(ret);
|
||||
}
|
||||
85
appl/kf/kf_locl.h
Normal file
85
appl/kf/kf_locl.h
Normal file
@@ -0,0 +1,85 @@
|
||||
/*
|
||||
* Copyright (c) 1997 - 1999 Kungliga Tekniska H<>gskolan
|
||||
* (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. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Kungliga Tekniska
|
||||
* H<>gskolan and its contributors.
|
||||
*
|
||||
* 4. 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.
|
||||
*/
|
||||
|
||||
/* $Id$ */
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include <config.h>
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
#include <ctype.h>
|
||||
#ifdef HAVE_SYS_TYPES_H
|
||||
#include <sys/types.h>
|
||||
#endif
|
||||
#ifdef HAVE_UNISTD_H
|
||||
#include <unistd.h>
|
||||
#endif
|
||||
#ifdef HAVE_SYS_SOCKET_H
|
||||
#include <sys/socket.h>
|
||||
#endif
|
||||
#ifdef HAVE_NETINET_IN_H
|
||||
#include <netinet/in.h>
|
||||
#endif
|
||||
#ifdef HAVE_NETINET_IN6_H
|
||||
#include <netinet/in6.h>
|
||||
#endif
|
||||
#ifdef HAVE_NETINET6_IN6_H
|
||||
#include <netinet6/in6.h>
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_PWD_H
|
||||
#include <pwd.h>
|
||||
#endif
|
||||
#ifdef HAVE_NETDB_H
|
||||
#include <netdb.h>
|
||||
#endif
|
||||
#ifdef HAVE_SYS_PARAM_H
|
||||
#include <sys/param.h>
|
||||
#endif
|
||||
#include <errno.h>
|
||||
#include <roken.h>
|
||||
#include <getarg.h>
|
||||
#include <err.h>
|
||||
#include <krb5.h>
|
||||
|
||||
#define SERVICE "host"
|
||||
|
||||
#define PORT "kf"
|
||||
#define PORT_NUM 2110
|
||||
333
appl/kf/kfd.c
Normal file
333
appl/kf/kfd.c
Normal file
@@ -0,0 +1,333 @@
|
||||
/*
|
||||
* Copyright (c) 1997 - 1999 Kungliga Tekniska H<>gskolan
|
||||
* (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. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Kungliga Tekniska
|
||||
* H<>gskolan and its contributors.
|
||||
*
|
||||
* 4. 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;
|
||||
char *service = SERVICE;
|
||||
int do_inetd = 0;
|
||||
|
||||
static struct getargs args[] = {
|
||||
{ "port", 'p', arg_string, &port_str, "port to listen to", "port" },
|
||||
{ "inetd",'i',arg_flag,&do_inetd,
|
||||
"Not started from inetd", NULL },
|
||||
{ "help", 'h', arg_flag, &help_flag },
|
||||
{ "version", 0, arg_flag, &version_flag }
|
||||
};
|
||||
|
||||
static int num_args = sizeof(args) / sizeof(args[0]);
|
||||
|
||||
static void
|
||||
usage(int code, struct getargs *args, int num_args)
|
||||
{
|
||||
arg_printusage(args, num_args, NULL, "");
|
||||
exit(code);
|
||||
}
|
||||
|
||||
static int
|
||||
server_setup(krb5_context *context, int argc, char **argv)
|
||||
{
|
||||
int port = 0;
|
||||
int local_argc;
|
||||
|
||||
local_argc = krb5_program_setup(context, argc, argv, args, num_args, usage);
|
||||
|
||||
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 (*context, PORT, "tcp", PORT_NUM);
|
||||
|
||||
if(argv[local_argc] != NULL)
|
||||
usage(1, args, num_args);
|
||||
|
||||
return port;
|
||||
}
|
||||
|
||||
static void
|
||||
syslog_and_die (const char *m, ...)
|
||||
{
|
||||
va_list args;
|
||||
|
||||
va_start(args, m);
|
||||
vsyslog (LOG_ERR, m, args);
|
||||
va_end(args);
|
||||
exit (1);
|
||||
}
|
||||
|
||||
static void
|
||||
syslog_and_cont (const char *m, ...)
|
||||
{
|
||||
va_list args;
|
||||
|
||||
va_start(args, m);
|
||||
vsyslog (LOG_ERR, m, args);
|
||||
va_end(args);
|
||||
return;
|
||||
}
|
||||
|
||||
static int
|
||||
proto (int sock, const char *service)
|
||||
{
|
||||
struct sockaddr_in remote, local;
|
||||
int addrlen;
|
||||
krb5_address remote_addr, local_addr;
|
||||
krb5_auth_context auth_context;
|
||||
krb5_error_code status;
|
||||
krb5_principal server;
|
||||
krb5_ticket *ticket;
|
||||
char *name;
|
||||
char ret_string[10];
|
||||
char hostname[MAXHOSTNAMELEN];
|
||||
krb5_data packet;
|
||||
krb5_data data;
|
||||
krb5_data remotename;
|
||||
krb5_data tk_file;
|
||||
|
||||
u_int32_t len, net_len;
|
||||
krb5_ccache ccache;
|
||||
char ccname[MAXPATHLEN];
|
||||
struct passwd *pwd;
|
||||
|
||||
addrlen = sizeof(local);
|
||||
if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
|
||||
|| addrlen != sizeof(local))
|
||||
syslog_and_die("getsockname: %s",strerror(errno));
|
||||
|
||||
addrlen = sizeof(remote);
|
||||
if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
|
||||
|| addrlen != sizeof(remote))
|
||||
syslog_and_die("getpeername: %s",strerror(errno));
|
||||
|
||||
status = krb5_auth_con_init (context, &auth_context);
|
||||
if (status)
|
||||
syslog_and_die("krb5_auth_con_init: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
|
||||
local_addr.addr_type = AF_INET;
|
||||
local_addr.address.length = sizeof(local.sin_addr);
|
||||
local_addr.address.data = &local.sin_addr;
|
||||
|
||||
remote_addr.addr_type = AF_INET;
|
||||
remote_addr.address.length = sizeof(remote.sin_addr);
|
||||
remote_addr.address.data = &remote.sin_addr;
|
||||
|
||||
status = krb5_auth_con_setaddrs (context,
|
||||
auth_context,
|
||||
&local_addr,
|
||||
&remote_addr);
|
||||
if (status)
|
||||
syslog_and_die("krb5_auth_con_setaddr: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
|
||||
if(gethostname (hostname, sizeof(hostname)) < 0)
|
||||
syslog_and_die("gethostname: %s",strerror(errno));
|
||||
|
||||
status = krb5_sname_to_principal (context,
|
||||
hostname,
|
||||
service,
|
||||
KRB5_NT_SRV_HST,
|
||||
&server);
|
||||
if (status)
|
||||
syslog_and_die("krb5_sname_to_principal: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
|
||||
status = krb5_recvauth (context,
|
||||
&auth_context,
|
||||
&sock,
|
||||
VERSION,
|
||||
server,
|
||||
0,
|
||||
NULL,
|
||||
&ticket);
|
||||
if (status)
|
||||
syslog_and_die("krb5_recvauth: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
|
||||
status = krb5_unparse_name (context,
|
||||
ticket->client,
|
||||
&name);
|
||||
if (status)
|
||||
syslog_and_die("krb5_unparse_name: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
|
||||
status=krb5_read_message (context, &sock, &remotename);
|
||||
if (status)
|
||||
{syslog_and_die("krb5_read_message: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
}
|
||||
status=krb5_read_message (context, &sock, &tk_file);
|
||||
if (status)
|
||||
{syslog_and_die("krb5_read_message: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
}
|
||||
|
||||
krb5_data_zero (&data);
|
||||
krb5_data_zero (&packet);
|
||||
|
||||
if (krb5_net_read (context, &sock, &net_len, 4) != 4)
|
||||
syslog_and_die("krb5_net_read: %s",strerror(errno));
|
||||
|
||||
len = ntohl(net_len);
|
||||
krb5_data_alloc (&packet, len);
|
||||
if (krb5_net_read (context, &sock, packet.data, len) != len)
|
||||
syslog_and_die("krb5_net_read: %s",strerror(errno));
|
||||
|
||||
status = krb5_rd_priv (context,
|
||||
auth_context,
|
||||
&packet,
|
||||
&data,
|
||||
NULL);
|
||||
if (status)
|
||||
{syslog_and_cont("krb5_rd_priv: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
goto out;
|
||||
}
|
||||
|
||||
pwd = getpwnam ((char *)(remotename.data));
|
||||
if (pwd == NULL)
|
||||
{status=1;
|
||||
syslog_and_cont("getpwnam: %s failed",(char *)(remotename.data));
|
||||
goto out;
|
||||
}
|
||||
|
||||
if(!krb5_kuserok (context,
|
||||
ticket->client,
|
||||
(char *)(remotename.data)))
|
||||
{status=1;
|
||||
syslog_and_cont("krb5_kuserok: permission denied");
|
||||
goto out;
|
||||
}
|
||||
|
||||
setgid(pwd->pw_gid);
|
||||
setuid(pwd->pw_uid);
|
||||
|
||||
if (tk_file.length != 1)
|
||||
snprintf (ccname, sizeof(ccname), "%s", (char *)(tk_file.data));
|
||||
else
|
||||
snprintf (ccname, sizeof(ccname), "FILE:/tmp/krb5cc_%u",pwd->pw_uid);
|
||||
|
||||
status = krb5_cc_resolve (context, ccname, &ccache);
|
||||
if (status)
|
||||
{syslog_and_cont("krb5_cc_resolve: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
goto out;
|
||||
}
|
||||
status = krb5_cc_initialize (context, ccache, ticket->client);
|
||||
if (status)
|
||||
{syslog_and_cont("krb5_cc_initialize: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
goto out;
|
||||
|
||||
}
|
||||
status = krb5_rd_cred (context, auth_context, ccache, &data);
|
||||
krb5_cc_close (context, ccache);
|
||||
if (status)
|
||||
{syslog_and_cont("krb5_cc_initialize: %s",
|
||||
krb5_get_err_text(context, status));
|
||||
goto out;
|
||||
|
||||
}
|
||||
syslog_and_cont("%s forwarded ticket to %s,%s",
|
||||
name,
|
||||
(char *)(remotename.data),ccname);
|
||||
out:
|
||||
if (status)
|
||||
{strcpy(ret_string,"no");
|
||||
syslog_and_cont("failed");
|
||||
}
|
||||
else strcpy(ret_string,"ok");
|
||||
|
||||
krb5_data_free (&tk_file);
|
||||
krb5_data_free (&remotename);
|
||||
krb5_data_free (&packet);
|
||||
krb5_data_free (&data);
|
||||
free(name);
|
||||
|
||||
len = strlen(ret_string) + 1;
|
||||
net_len = htonl(len);
|
||||
if (krb5_net_write (context, &sock, &net_len, 4) != 4)
|
||||
return 1;
|
||||
if (krb5_net_write (context, &sock, ret_string, len) != len)
|
||||
return 1;
|
||||
return 0 ;
|
||||
}
|
||||
|
||||
static int
|
||||
doit (int port, const char *service)
|
||||
{
|
||||
if (do_inetd) mini_inetd(port);
|
||||
return proto (STDIN_FILENO, service);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
int port;
|
||||
int ret;
|
||||
|
||||
set_progname (argv[0]);
|
||||
roken_openlog (argv[0], LOG_ODELAY | LOG_PID,LOG_AUTH);
|
||||
port = server_setup(&context, argc, argv);
|
||||
ret=doit (port, service);
|
||||
closelog();
|
||||
return ret;
|
||||
}
|
||||
Reference in New Issue
Block a user