diff options
Diffstat (limited to 'third_party/heimdal/appl/kf')
| -rw-r--r-- | third_party/heimdal/appl/kf/Makefile.am | 20 | ||||
| -rw-r--r-- | third_party/heimdal/appl/kf/NTMakefile | 35 | ||||
| -rw-r--r-- | third_party/heimdal/appl/kf/kf.1 | 112 | ||||
| -rw-r--r-- | third_party/heimdal/appl/kf/kf.c | 349 | ||||
| -rw-r--r-- | third_party/heimdal/appl/kf/kf_locl.h | 81 | ||||
| -rw-r--r-- | third_party/heimdal/appl/kf/kfd.8 | 85 | ||||
| -rw-r--r-- | third_party/heimdal/appl/kf/kfd.c | 311 |
7 files changed, 993 insertions, 0 deletions
diff --git a/third_party/heimdal/appl/kf/Makefile.am b/third_party/heimdal/appl/kf/Makefile.am new file mode 100644 index 0000000..0b38057 --- /dev/null +++ b/third_party/heimdal/appl/kf/Makefile.am @@ -0,0 +1,20 @@ +# $Id$ + +include $(top_srcdir)/Makefile.am.common + +bin_PROGRAMS = kf + +libexec_PROGRAMS = kfd + +man_MANS = kf.1 kfd.8 + +kf_SOURCES = kf.c kf_locl.h + +kfd_SOURCES = kfd.c kf_locl.h + +LDADD = $(top_builddir)/lib/krb5/libkrb5.la \ + $(LIB_hcrypto) \ + $(top_builddir)/lib/asn1/libasn1.la \ + $(LIB_roken) + +EXTRA_DIST = NTMakefile $(man_MANS) diff --git a/third_party/heimdal/appl/kf/NTMakefile b/third_party/heimdal/appl/kf/NTMakefile new file mode 100644 index 0000000..6ade4ab --- /dev/null +++ b/third_party/heimdal/appl/kf/NTMakefile @@ -0,0 +1,35 @@ +######################################################################## +# +# Copyright (c) 2009, Secure Endpoints 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: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - 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. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 +# COPYRIGHT HOLDER 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. +# + +RELDIR=appl\kf + +!include ../../windows/NTMakefile.w32 + diff --git a/third_party/heimdal/appl/kf/kf.1 b/third_party/heimdal/appl/kf/kf.1 new file mode 100644 index 0000000..290e6bb --- /dev/null +++ b/third_party/heimdal/appl/kf/kf.1 @@ -0,0 +1,112 @@ +.\" Copyright (c) 2000 - 2001 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. +.\" +.\" $Id$ +.\" +.Dd July 2, 2000 +.Dt KF 1 +.Os +.Sh NAME +.Nm kf +.Nd securely forward tickets +.Sh SYNOPSIS +.Nm +.Oo +.Fl p Ar port | +.Fl Fl port Ns = Ns Ar port +.Oc +.Oo +.Fl l Ar login | +.Fl Fl login Ns = Ns Ar login +.Oc +.Oo +.Fl c Ar ccache | +.Fl Fl ccache Ns = Ns Ar ccache +.Oc +.Op Fl F | -forwardable +.Op Fl G | -no-forwardable +.Op Fl h | -help +.Op Fl Fl version +.Ar host ... +.Sh DESCRIPTION +The +.Nm +program forwards tickets to a remote host through an authenticated +and encrypted stream. +Options supported are: +.Bl -tag -width indent +.It Xo +.Fl p Ar port , +.Fl Fl port Ns = Ns Ar port +.Xc +port to connect to +.It Xo +.Fl l Ar login , +.Fl Fl login Ns = Ns Ar login +.Xc +remote login name +.It Xo +.Fl c Ar ccache , +.Fl Fl ccache Ns = Ns Ar ccache +.Xc +remote cred cache +.It Fl F , -forwardable +forward forwardable credentials +.It Fl G , -no-forwardable +do not forward forwardable credentials +.It Fl h , -help +.It Fl Fl version +.El +.Pp +.Nm +is useful when you do not want to enter your password on a remote host +but want to have your tickets one for example AFS. +.Pp +In order for +.Nm +to work you will need to acquire your initial ticket with forwardable +flag, i.e. +.Nm kinit Fl Fl forwardable . +.Pp +.Nm telnet +is able to forward tickets by itself. +.\".Sh ENVIRONMENT +.\".Sh FILES +.\".Sh EXAMPLES +.\".Sh DIAGNOSTICS +.Sh SEE ALSO +.Xr kinit 1 , +.Xr telnet 1 , +.Xr kfd 8 +.\".Sh STANDARDS +.\".Sh HISTORY +.\".Sh AUTHORS +.\".Sh BUGS 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); +} diff --git a/third_party/heimdal/appl/kf/kf_locl.h b/third_party/heimdal/appl/kf/kf_locl.h new file mode 100644 index 0000000..3ddee48 --- /dev/null +++ b/third_party/heimdal/appl/kf/kf_locl.h @@ -0,0 +1,81 @@ +/* + * Copyright (c) 1997 - 1999, 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. + */ + +/* $Id$ */ + +#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 KF_SERVICE "host" + +#define KF_PORT_NAME "kf" +#define KF_PORT_NUM 2110 +#define KF_VERSION_1 "KFWDV0.1" diff --git a/third_party/heimdal/appl/kf/kfd.8 b/third_party/heimdal/appl/kf/kfd.8 new file mode 100644 index 0000000..4b8b822 --- /dev/null +++ b/third_party/heimdal/appl/kf/kfd.8 @@ -0,0 +1,85 @@ +.\" Copyright (c) 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. +.\" +.\" $Id$ +.\" +.Dd July 2, 2000 +.Dt KFD 8 +.Os +.Sh NAME +.Nm kfd +.Nd receive forwarded tickets +.Sh SYNOPSIS +.Nm +.Oo +.Fl p Ar port | +.Fl Fl port Ns = Ns Ar port +.Oc +.Op Fl i | -inetd +.Oo +.Fl R Ar regpag | +.Fl Fl regpag Ns = Ns Ar regpag +.Oc +.Op Fl h | -help +.Op Fl Fl version +.Sh DESCRIPTION +This is the daemon for +.Xr kf 1 . +Supported options: +.Bl -tag -width indent +.It Xo +.Fl p Ar port , +.Fl Fl port Ns = Ns Ar port +.Xc +port to listen to +.It Fl i , -inetd +not started from inetd +.It Xo +.Fl R Ar regpag , +.Fl Fl regpag= Ns Ar regpag +.Xc +path to regpag binary +.El +.\".Sh ENVIRONMENT +.\".Sh FILES +.Sh EXAMPLES +Put the following in +.Pa /etc/inetd.conf : +.Bd -literal +kf stream tcp nowait root /usr/heimdal/libexec/kfd kfd +.Ed +.\".Sh DIAGNOSTICS +.Sh SEE ALSO +.Xr kf 1 +.\".Sh STANDARDS +.\".Sh HISTORY +.\".Sh AUTHORS +.\".Sh BUGS diff --git a/third_party/heimdal/appl/kf/kfd.c b/third_party/heimdal/appl/kf/kfd.c new file mode 100644 index 0000000..9099bab --- /dev/null +++ b/third_party/heimdal/appl/kf/kfd.c @@ -0,0 +1,311 @@ +/* + * Copyright (c) 1997 - 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; +char krb5_tkfile[MAXPATHLEN]; + +static int help_flag; +static int version_flag; +static char *port_str; +char *service = KF_SERVICE; +int do_inetd = 0; +static char *regpag_str=NULL; + +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 }, + { "regpag",'R',arg_string,®pag_str,"path to regpag binary","regpag"}, + { "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, ""); + exit(code); +} + +static int +server_setup(krb5_context *ctx, int argc, char **argv) +{ + int port = 0; + int local_argc; + + local_argc = krb5_program_setup(ctx, 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 (*ctx, KF_PORT_NAME, "tcp", KF_PORT_NUM); + + if(argv[local_argc] != NULL) + usage(1, args, num_args); + + return port; +} + +static int protocol_version; + +static krb5_boolean +kfd_match_version(const void *arg, const char *version) +{ + if(strcmp(version, KF_VERSION_1) == 0) { + protocol_version = 1; + return TRUE; + } else if (strlen(version) == 4 && + version[0] == '0' && + version[1] == '.' && + (version[2] == '4' || version[2] == '3') && + islower((unsigned char)version[3])) { + protocol_version = 0; + return TRUE; + } + return FALSE; +} + +static int +proto (int sock, const char *svc) +{ + 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 data; + krb5_data remotename; + krb5_data tk_file; + krb5_ccache ccache; + char ccname[MAXPATHLEN]; + struct passwd *pwd; + + status = krb5_auth_con_init (context, &auth_context); + if (status) + krb5_err(context, 1, status, "krb5_auth_con_init"); + + status = krb5_auth_con_setaddrs_from_fd (context, + auth_context, + &sock); + if (status) + krb5_err(context, 1, status, "krb5_auth_con_setaddr"); + + if(gethostname (hostname, sizeof(hostname)) < 0) + krb5_err(context, 1, errno, "gethostname"); + + status = krb5_sname_to_principal (context, + hostname, + svc, + KRB5_NT_SRV_HST, + &server); + if (status) + krb5_err(context, 1, status, "krb5_sname_to_principal"); + + status = krb5_recvauth_match_version (context, + &auth_context, + &sock, + kfd_match_version, + NULL, + server, + 0, + NULL, + &ticket); + if (status) + krb5_err(context, 1, status, "krb5_recvauth"); + + status = krb5_unparse_name (context, + ticket->client, + &name); + if (status) + krb5_err(context, 1, status, "krb5_unparse_name"); + + if(protocol_version == 0) { + data.data = "old clnt"; /* XXX old clients only had room for + 10 bytes of message, and also + didn't show it to the user */ + data.length = strlen(data.data) + 1; + krb5_write_message(context, &sock, &data); + sleep(2); /* XXX give client time to finish */ + krb5_errx(context, 1, "old client; exiting"); + } + + status=krb5_read_priv_message (context, auth_context, + &sock, &remotename); + if (status) + krb5_err(context, 1, status, "krb5_read_message"); + status=krb5_read_priv_message (context, auth_context, + &sock, &tk_file); + if (status) + krb5_err(context, 1, status, "krb5_read_message"); + + krb5_data_zero (&data); + + if(((char*)remotename.data)[remotename.length-1] != '\0') + krb5_errx(context, 1, "unterminated received"); + if(((char*)tk_file.data)[tk_file.length-1] != '\0') + krb5_errx(context, 1, "unterminated received"); + + status = krb5_read_priv_message(context, auth_context, &sock, &data); + + if (status) { + krb5_err(context, 1, errno, "krb5_read_priv_message"); + goto out; + } + + pwd = getpwnam ((char *)(remotename.data)); + if (pwd == NULL) { + status=1; + krb5_warnx(context, "getpwnam: %s failed",(char *)(remotename.data)); + goto out; + } + + if(!krb5_kuserok (context, + ticket->client, + (char *)(remotename.data))) { + status=1; + krb5_warnx(context, "krb5_kuserok: permission denied"); + goto out; + } + + if (setgid(pwd->pw_gid) < 0) { + krb5_warn(context, errno, "setgid"); + goto out; + } + if (setuid(pwd->pw_uid) < 0) { + krb5_warn(context, errno, "setuid"); + goto out; + } + + if (tk_file.length != 1) + snprintf (ccname, sizeof(ccname), "%s", (char *)(tk_file.data)); + else + snprintf (ccname, sizeof(ccname), "FILE:/tmp/krb5cc_%lu", + (unsigned long)pwd->pw_uid); + + status = krb5_cc_resolve (context, ccname, &ccache); + if (status) { + krb5_warn(context, status, "krb5_cc_resolve"); + goto out; + } + status = krb5_cc_initialize (context, ccache, ticket->client); + if (status) { + krb5_warn(context, status, "krb5_cc_initialize"); + goto out; + } + status = krb5_rd_cred2 (context, auth_context, ccache, &data); + krb5_cc_close (context, ccache); + if (status) { + krb5_warn(context, status, "krb5_rd_cred"); + goto out; + + } + strlcpy(krb5_tkfile,ccname,sizeof(krb5_tkfile)); + krb5_warnx(context, "%s forwarded ticket to %s,%s", + name, + (char *)(remotename.data),ccname); + out: + if (status) { + strlcpy(ret_string, "no", sizeof(ret_string)); + krb5_warnx(context, "failed"); + } else { + strlcpy(ret_string, "ok", sizeof(ret_string)); + } + + krb5_data_free (&tk_file); + krb5_data_free (&remotename); + krb5_data_free (&data); + free(name); + + data.data = ret_string; + data.length = strlen(ret_string) + 1; + status = krb5_write_priv_message(context, auth_context, &sock, &data); + krb5_auth_con_free(context, auth_context); + + return status; +} + +static int +doit (int port, const char *svc) +{ + if (do_inetd) + mini_inetd(port, NULL); + return proto (STDIN_FILENO, svc); +} + +int +main(int argc, char **argv) +{ + int port; + int ret; + krb5_log_facility *fac; + + setprogname (argv[0]); + roken_openlog (argv[0], LOG_ODELAY | LOG_PID,LOG_AUTH); + port = server_setup(&context, argc, argv); + ret = krb5_openlog(context, "kfd", &fac); + if(ret) krb5_err(context, 1, ret, "krb5_openlog"); + ret = krb5_set_warn_dest(context, fac); + if(ret) krb5_err(context, 1, ret, "krb5_set_warn_dest"); + + ret = doit (port, service); + closelog(); + if (ret == 0 && regpag_str != NULL) + ret = execl(regpag_str, "regpag", "-t", krb5_tkfile, "-r", NULL); + return ret; +} |