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Frontend for remote digest service in KDC

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17885 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-08-18 10:44:40 +00:00
parent 3b766317e8
commit c37191e06e
3 changed files with 360 additions and 0 deletions
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21
kuser/Makefile.am
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@@ -6,7 +6,10 @@ AM_CPPFLAGS += $(INCLUDE_krb4) $(INCLUDE_des) -I$(srcdir)/../lib/krb5
man_MANS = kinit.1 klist.1 kdestroy.1 kgetcred.1
SLC = $(top_builddir)/lib/sl/slc
bin_PROGRAMS = kinit klist kdestroy kgetcred
libexec_PROGRAMS = kdigest
noinst_PROGRAMS = kverify kdecode_ticket generate-requests copy_cred_cache
noinst_MANS = copy_cred_cache.1
@@ -23,6 +26,24 @@ kdestroy_LDADD = $(kinit_LDADD)
klist_LDADD = $(kinit_LDADD)
kdigest_SOURCES = \
kdigest.c \
kdigest-commands.c
kdigest_LDADD = \
$(top_builddir)/lib/krb5/libkrb5.la \
$(LIB_des) \
$(top_builddir)/lib/asn1/libasn1.la \
$(top_builddir)/lib/sl/libsl.la \
$(LIB_roken)
$(kdigest_OBJECTS): kdigest-commands.h
CLEANFILES = kdigest-commands.h kdigest-commands.c
kdigest-commands.c kdigest-commands.h: kdigest-commands.in
$(SLC) $(srcdir)/kdigest-commands.in
LDADD = \
$(top_builddir)/lib/krb5/libkrb5.la \
$(LIB_des) \

152
kuser/kdigest-commands.in Normal file
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@@ -0,0 +1,152 @@
/*
* Copyright (c) 2006 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. 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.
*/
/* $Id$ */
command = {
name = "server-init"
option = {
long = "type"
type = "string"
help = "digest type"
default = "sasl"
}
option = {
long = "digest"
type = "string"
argument = "digest-type"
help = "digest type to use in the algorithm"
}
option = {
long = "cb-type"
type = "string"
argument = "type"
help = "type of channel bindings"
}
option = {
long = "cb-value"
type = "string"
argument = "value"
help = "value of channel bindings"
}
option = {
long = "hostname"
type = "string"
argument = "hostname"
help = "hostname of the server"
}
help = "Sets up a digest context and return initial parameters"
}
command = {
name = "server-request"
option = {
long = "username"
type = "string"
argument = "name"
help = "digest type"
}
option = {
long = "server-nonce"
type = "string"
argument = "nonce"
help = ""
}
option = {
long = "server-identifier"
type = "string"
argument = "nonce"
help = ""
}
option = {
long = "client-nonce"
type = "string"
argument = "nonce"
help = ""
}
option = {
long = "opaque"
type = "string"
argument = "string"
help = ""
}
option = {
long = "authentication-name"
type = "string"
argument = "name"
help = ""
}
option = {
long = "realm"
type = "string"
argument = "realm"
help = ""
}
option = {
long = "method"
type = "string"
argument = "method"
help = ""
}
option = {
long = "uri"
type = "string"
argument = "uri"
help = ""
}
option = {
long = "nounce-count"
type = "string"
argument = "count"
help = ""
}
option = {
long = "qop"
type = "string"
argument = "qop"
help = ""
}
option = {
long = "ccache"
type = "string"
argument = "ccache"
help = "Where the the credential cache is created when the KDC returns tickets"
}
help = "Completes digest negotiation and return final parameters"
}
command = {
name = "help"
name = "?"
argument = "[command]"
min_args = "0"
max_args = "1"
help = "Help! I need somebody."
}

187
kuser/kdigest.c Normal file
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@@ -0,0 +1,187 @@
/*
* Copyright (c) 2006 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. 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"
RCSID("$Id$");
#include <kdigest-commands.h>
#include <hex.h>
#include "crypto-headers.h"
static int version_flag = 0;
static int help_flag = 0;
static struct getargs args[] = {
{"version", 0, arg_flag, &version_flag, "print version", NULL },
{"help", 0, arg_flag, &help_flag, NULL, NULL }
};
static void
usage (int ret)
{
arg_printusage (args, sizeof(args)/sizeof(*args),
NULL, "");
exit (ret);
}
const static char *secret = "secret";
static char server_nonce[16];
static char server_identifier;
int
server_init(struct server_init_options *opt, int argc, char ** argv)
{
char *s;
if (strcasecmp(opt->type_string, "CHAP") != 0)
errx(1, "type not CHAP");
RAND_pseudo_bytes(&server_identifier, sizeof(server_identifier));
RAND_pseudo_bytes(&server_nonce, sizeof(server_nonce));
printf("type=%s\n", opt->type_string);
hex_encode(server_nonce, sizeof(server_nonce), &s);
printf("server-nonce=%s\n", s);
free(s);
printf("identifier=%02X\n", (server_identifier & 0xff));
printf("opaque=bar\n");
return 0;
}
int
server_request(struct server_request_options *opt, int argc, char **argv)
{
MD5_CTX ctx;
char md[16], *h;
if (opt->server_nonce_string == NULL)
errx(1, "server nonce missing");
if (opt->server_identifier_string == NULL)
errx(1, "server identifier missing");
if (opt->opaque_string == NULL)
errx(1, "opaque missing");
if (strcmp(opt->opaque_string, "bar") != 0)
errx(1, "opaque wrong string");
if (hex_decode(opt->server_nonce_string, server_nonce, 16) != 16)
errx(1, "server nonce wrong length");
if (hex_decode(opt->server_identifier_string, &server_identifier, 1) != 1)
errx(1, "server identifier wrong length");
MD5_Init(&ctx);
MD5_Update(&ctx, &server_identifier, 1);
MD5_Update(&ctx, secret, strlen(secret));
MD5_Update(&ctx, server_nonce, 16);
MD5_Final(md, &ctx);
hex_encode(md, 16, &h);
printf("responseData=%s\n", h);
printf("tickets=no\n");
/*
printf("rsp=bar\n");
printf("cb-type=type\n");
printf("cb-binding=binding\n");
printf("hash-a1=bar\n");
printf("message=message here\n");
*/
return 0;
}
/*
*
*/
int
help(void *opt, int argc, char **argv)
{
if(argc == 0) {
sl_help(commands, 1, argv - 1 /* XXX */);
} else {
SL_cmd *c = sl_match (commands, argv[0], 0);
if(c == NULL) {
fprintf (stderr, "No such command: %s. "
"Try \"help\" for a list of commands\n",
argv[0]);
} else {
if(c->func) {
char *fake[] = { NULL, "--help", NULL };
fake[0] = argv[0];
(*c->func)(2, fake);
fprintf(stderr, "\n");
}
if(c->help && *c->help)
fprintf (stderr, "%s\n", c->help);
if((++c)->name && c->func == NULL) {
int f = 0;
fprintf (stderr, "Synonyms:");
while (c->name && c->func == NULL) {
fprintf (stderr, "%s%s", f ? ", " : " ", (c++)->name);
f = 1;
}
fprintf (stderr, "\n");
}
}
}
return 0;
}
int
main(int argc, char **argv)
{
int optidx = 0;
setprogname(argv[0]);
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 == 0) {
help(NULL, argc, argv);
return 1;
}
return sl_command (commands, argc, argv);
}