| Current Path : /usr/src/crypto/heimdal/appl/gssmask/ |
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| Current File : //usr/src/crypto/heimdal/appl/gssmask/gssmask.c |
/*
* Copyright (c) 2006 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 KTH 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 KTH AND ITS 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 KTH OR ITS 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 "common.h"
RCSID("$Id: gssmask.c 21229 2007-06-20 10:19:19Z lha $");
/*
*
*/
enum handle_type { handle_context, handle_cred };
struct handle {
int32_t idx;
enum handle_type type;
void *ptr;
struct handle *next;
};
struct client {
krb5_storage *sock;
krb5_storage *logging;
char *moniker;
int32_t nHandle;
struct handle *handles;
struct sockaddr_storage sa;
socklen_t salen;
char servername[MAXHOSTNAMELEN];
};
FILE *logfile;
static char *targetname;
krb5_context context;
/*
*
*/
static void
logmessage(struct client *c, const char *file, unsigned int lineno,
int level, const char *fmt, ...)
{
char *message;
va_list ap;
int32_t ackid;
va_start(ap, fmt);
vasprintf(&message, fmt, ap);
va_end(ap);
if (logfile)
fprintf(logfile, "%s:%u: %d %s\n", file, lineno, level, message);
if (c->logging) {
if (krb5_store_int32(c->logging, eLogInfo) != 0)
errx(1, "krb5_store_int32: log level");
if (krb5_store_string(c->logging, file) != 0)
errx(1, "krb5_store_string: filename");
if (krb5_store_int32(c->logging, lineno) != 0)
errx(1, "krb5_store_string: filename");
if (krb5_store_string(c->logging, message) != 0)
errx(1, "krb5_store_string: message");
if (krb5_ret_int32(c->logging, &ackid) != 0)
errx(1, "krb5_ret_int32: ackid");
}
free(message);
}
/*
*
*/
static int32_t
add_handle(struct client *c, enum handle_type type, void *data)
{
struct handle *h;
h = ecalloc(1, sizeof(*h));
h->idx = ++c->nHandle;
h->type = type;
h->ptr = data;
h->next = c->handles;
c->handles = h;
return h->idx;
}
static void
del_handle(struct handle **h, int32_t idx)
{
OM_uint32 min_stat;
if (idx == 0)
return;
while (*h) {
if ((*h)->idx == idx) {
struct handle *p = *h;
*h = (*h)->next;
switch(p->type) {
case handle_context: {
gss_ctx_id_t c = p->ptr;
gss_delete_sec_context(&min_stat, &c, NULL);
break; }
case handle_cred: {
gss_cred_id_t c = p->ptr;
gss_release_cred(&min_stat, &c);
break; }
}
free(p);
return;
}
h = &((*h)->next);
}
errx(1, "tried to delete an unexisting handle");
}
static void *
find_handle(struct handle *h, int32_t idx, enum handle_type type)
{
if (idx == 0)
return NULL;
while (h) {
if (h->idx == idx) {
if (type == h->type)
return h->ptr;
errx(1, "monger switched type on handle!");
}
h = h->next;
}
return NULL;
}
static int32_t
convert_gss_to_gsm(OM_uint32 maj_stat)
{
switch(maj_stat) {
case 0:
return GSMERR_OK;
case GSS_S_CONTINUE_NEEDED:
return GSMERR_CONTINUE_NEEDED;
case GSS_S_DEFECTIVE_TOKEN:
return GSMERR_INVALID_TOKEN;
case GSS_S_BAD_MIC:
return GSMERR_AP_MODIFIED;
default:
return GSMERR_ERROR;
}
}
static int32_t
convert_krb5_to_gsm(krb5_error_code ret)
{
switch(ret) {
case 0:
return GSMERR_OK;
default:
return GSMERR_ERROR;
}
}
/*
*
*/
static int32_t
acquire_cred(struct client *c,
krb5_principal principal,
krb5_get_init_creds_opt *opt,
int32_t *handle)
{
krb5_error_code ret;
krb5_creds cred;
krb5_ccache id;
gss_cred_id_t gcred;
OM_uint32 maj_stat, min_stat;
*handle = 0;
krb5_get_init_creds_opt_set_forwardable (opt, 1);
krb5_get_init_creds_opt_set_renew_life (opt, 3600 * 24 * 30);
memset(&cred, 0, sizeof(cred));
ret = krb5_get_init_creds_password (context,
&cred,
principal,
NULL,
NULL,
NULL,
0,
NULL,
opt);
if (ret) {
logmessage(c, __FILE__, __LINE__, 0,
"krb5_get_init_creds failed: %d", ret);
return convert_krb5_to_gsm(ret);
}
ret = krb5_cc_new_unique(context, "MEMORY", NULL, &id);
if (ret)
krb5_err (context, 1, ret, "krb5_cc_initialize");
ret = krb5_cc_initialize (context, id, cred.client);
if (ret)
krb5_err (context, 1, ret, "krb5_cc_initialize");
ret = krb5_cc_store_cred (context, id, &cred);
if (ret)
krb5_err (context, 1, ret, "krb5_cc_store_cred");
krb5_free_cred_contents (context, &cred);
maj_stat = gss_krb5_import_cred(&min_stat,
id,
NULL,
NULL,
&gcred);
krb5_cc_close(context, id);
if (maj_stat) {
logmessage(c, __FILE__, __LINE__, 0,
"krb5 import creds failed with: %d", maj_stat);
return convert_gss_to_gsm(maj_stat);
}
*handle = add_handle(c, handle_cred, gcred);
return 0;
}
/*
*
*/
#define HandleOP(h) \
handle##h(enum gssMaggotOp op, struct client *c)
/*
*
*/
static int
HandleOP(GetVersionInfo)
{
put32(c, GSSMAGGOTPROTOCOL);
errx(1, "GetVersionInfo");
}
static int
HandleOP(GoodBye)
{
struct handle *h = c->handles;
int i = 0;
while (h) {
h = h->next;
i++;
}
if (i != 0)
logmessage(c, __FILE__, __LINE__, 0,
"Did not toast all resources: %d", i);
return 1;
}
static int
HandleOP(InitContext)
{
OM_uint32 maj_stat, min_stat, ret_flags;
int32_t hContext, hCred, flags;
krb5_data target_name, in_token;
int32_t new_context_id = 0, gsm_error = 0;
krb5_data out_token = { 0 , NULL };
gss_ctx_id_t ctx;
gss_cred_id_t creds;
gss_name_t gss_target_name;
gss_buffer_desc input_token, output_token;
gss_OID oid = GSS_C_NO_OID;
gss_buffer_t input_token_ptr = GSS_C_NO_BUFFER;
ret32(c, hContext);
ret32(c, hCred);
ret32(c, flags);
retdata(c, target_name);
retdata(c, in_token);
logmessage(c, __FILE__, __LINE__, 0,
"targetname: <%.*s>", (int)target_name.length,
(char *)target_name.data);
ctx = find_handle(c->handles, hContext, handle_context);
if (ctx == NULL)
hContext = 0;
creds = find_handle(c->handles, hCred, handle_cred);
if (creds == NULL)
abort();
input_token.length = target_name.length;
input_token.value = target_name.data;
maj_stat = gss_import_name(&min_stat,
&input_token,
GSS_KRB5_NT_PRINCIPAL_NAME,
&gss_target_name);
if (GSS_ERROR(maj_stat)) {
logmessage(c, __FILE__, __LINE__, 0,
"import name creds failed with: %d", maj_stat);
gsm_error = convert_gss_to_gsm(maj_stat);
goto out;
}
/* oid from flags */
if (in_token.length) {
input_token.length = in_token.length;
input_token.value = in_token.data;
input_token_ptr = &input_token;
if (ctx == NULL)
krb5_errx(context, 1, "initcreds, context NULL, but not first req");
} else {
input_token.length = 0;
input_token.value = NULL;
if (ctx)
krb5_errx(context, 1, "initcreds, context not NULL, but first req");
}
if ((flags & GSS_C_DELEG_FLAG) != 0)
logmessage(c, __FILE__, __LINE__, 0, "init_sec_context delegating");
if ((flags & GSS_C_DCE_STYLE) != 0)
logmessage(c, __FILE__, __LINE__, 0, "init_sec_context dce-style");
maj_stat = gss_init_sec_context(&min_stat,
creds,
&ctx,
gss_target_name,
oid,
flags & 0x7f,
0,
NULL,
input_token_ptr,
NULL,
&output_token,
&ret_flags,
NULL);
if (GSS_ERROR(maj_stat)) {
if (hContext != 0)
del_handle(&c->handles, hContext);
new_context_id = 0;
logmessage(c, __FILE__, __LINE__, 0,
"gss_init_sec_context returns code: %d/%d",
maj_stat, min_stat);
} else {
if (input_token.length == 0)
new_context_id = add_handle(c, handle_context, ctx);
else
new_context_id = hContext;
}
gsm_error = convert_gss_to_gsm(maj_stat);
if (output_token.length) {
out_token.data = output_token.value;
out_token.length = output_token.length;
}
out:
logmessage(c, __FILE__, __LINE__, 0,
"InitContext return code: %d", gsm_error);
put32(c, new_context_id);
put32(c, gsm_error);
putdata(c, out_token);
gss_release_name(&min_stat, &gss_target_name);
if (output_token.length)
gss_release_buffer(&min_stat, &output_token);
krb5_data_free(&in_token);
krb5_data_free(&target_name);
return 0;
}
static int
HandleOP(AcceptContext)
{
OM_uint32 maj_stat, min_stat, ret_flags;
int32_t hContext, deleg_hcred, flags;
krb5_data in_token;
int32_t new_context_id = 0, gsm_error = 0;
krb5_data out_token = { 0 , NULL };
gss_ctx_id_t ctx;
gss_cred_id_t deleg_cred = GSS_C_NO_CREDENTIAL;
gss_buffer_desc input_token, output_token;
gss_buffer_t input_token_ptr = GSS_C_NO_BUFFER;
ret32(c, hContext);
ret32(c, flags);
retdata(c, in_token);
ctx = find_handle(c->handles, hContext, handle_context);
if (ctx == NULL)
hContext = 0;
if (in_token.length) {
input_token.length = in_token.length;
input_token.value = in_token.data;
input_token_ptr = &input_token;
} else {
input_token.length = 0;
input_token.value = NULL;
}
maj_stat = gss_accept_sec_context(&min_stat,
&ctx,
GSS_C_NO_CREDENTIAL,
&input_token,
GSS_C_NO_CHANNEL_BINDINGS,
NULL,
NULL,
&output_token,
&ret_flags,
NULL,
&deleg_cred);
if (GSS_ERROR(maj_stat)) {
if (hContext != 0)
del_handle(&c->handles, hContext);
logmessage(c, __FILE__, __LINE__, 0,
"gss_accept_sec_context returns code: %d/%d",
maj_stat, min_stat);
new_context_id = 0;
} else {
if (hContext == 0)
new_context_id = add_handle(c, handle_context, ctx);
else
new_context_id = hContext;
}
if (output_token.length) {
out_token.data = output_token.value;
out_token.length = output_token.length;
}
if ((ret_flags & GSS_C_DCE_STYLE) != 0)
logmessage(c, __FILE__, __LINE__, 0, "accept_sec_context dce-style");
if ((ret_flags & GSS_C_DELEG_FLAG) != 0) {
deleg_hcred = add_handle(c, handle_cred, deleg_cred);
logmessage(c, __FILE__, __LINE__, 0,
"accept_context delegated handle: %d", deleg_hcred);
} else {
gss_release_cred(&min_stat, &deleg_cred);
deleg_hcred = 0;
}
gsm_error = convert_gss_to_gsm(maj_stat);
put32(c, new_context_id);
put32(c, gsm_error);
putdata(c, out_token);
put32(c, deleg_hcred);
if (output_token.length)
gss_release_buffer(&min_stat, &output_token);
krb5_data_free(&in_token);
return 0;
}
static int
HandleOP(ToastResource)
{
int32_t handle;
ret32(c, handle);
logmessage(c, __FILE__, __LINE__, 0, "toasting %d", handle);
del_handle(&c->handles, handle);
put32(c, GSMERR_OK);
return 0;
}
static int
HandleOP(AcquireCreds)
{
char *name, *password;
int32_t gsm_error, flags, handle = 0;
krb5_principal principal = NULL;
krb5_get_init_creds_opt *opt = NULL;
krb5_error_code ret;
retstring(c, name);
retstring(c, password);
ret32(c, flags);
logmessage(c, __FILE__, __LINE__, 0,
"username: %s password: %s", name, password);
ret = krb5_parse_name(context, name, &principal);
if (ret) {
gsm_error = convert_krb5_to_gsm(ret);
goto out;
}
ret = krb5_get_init_creds_opt_alloc (context, &opt);
if (ret)
krb5_err(context, 1, ret, "krb5_get_init_creds_opt_alloc");
krb5_get_init_creds_opt_set_pa_password(context, opt, password, NULL);
gsm_error = acquire_cred(c, principal, opt, &handle);
out:
logmessage(c, __FILE__, __LINE__, 0,
"AcquireCreds handle: %d return code: %d", handle, gsm_error);
if (opt)
krb5_get_init_creds_opt_free (context, opt);
if (principal)
krb5_free_principal(context, principal);
free(name);
free(password);
put32(c, gsm_error);
put32(c, handle);
return 0;
}
static int
HandleOP(Sign)
{
OM_uint32 maj_stat, min_stat;
int32_t hContext, flags, seqno;
krb5_data token;
gss_ctx_id_t ctx;
gss_buffer_desc input_token, output_token;
ret32(c, hContext);
ret32(c, flags);
ret32(c, seqno);
retdata(c, token);
ctx = find_handle(c->handles, hContext, handle_context);
if (ctx == NULL)
errx(1, "sign: reference to unknown context");
input_token.length = token.length;
input_token.value = token.data;
maj_stat = gss_get_mic(&min_stat, ctx, 0, &input_token,
&output_token);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_get_mic failed");
krb5_data_free(&token);
token.data = output_token.value;
token.length = output_token.length;
put32(c, 0); /* XXX fix gsm_error */
putdata(c, token);
gss_release_buffer(&min_stat, &output_token);
return 0;
}
static int
HandleOP(Verify)
{
OM_uint32 maj_stat, min_stat;
int32_t hContext, flags, seqno;
krb5_data msg, mic;
gss_ctx_id_t ctx;
gss_buffer_desc msg_token, mic_token;
gss_qop_t qop;
ret32(c, hContext);
ctx = find_handle(c->handles, hContext, handle_context);
if (ctx == NULL)
errx(1, "verify: reference to unknown context");
ret32(c, flags);
ret32(c, seqno);
retdata(c, msg);
msg_token.length = msg.length;
msg_token.value = msg.data;
retdata(c, mic);
mic_token.length = mic.length;
mic_token.value = mic.data;
maj_stat = gss_verify_mic(&min_stat, ctx, &msg_token,
&mic_token, &qop);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_verify_mic failed");
krb5_data_free(&mic);
krb5_data_free(&msg);
put32(c, 0); /* XXX fix gsm_error */
return 0;
}
static int
HandleOP(GetVersionAndCapabilities)
{
int32_t cap = HAS_MONIKER;
char name[256] = "unknown", *str;
if (targetname)
cap |= ISSERVER; /* is server */
#ifdef HAVE_UNAME
{
struct utsname ut;
if (uname(&ut) == 0) {
snprintf(name, sizeof(name), "%s-%s-%s",
ut.sysname, ut.version, ut.machine);
}
}
#endif
asprintf(&str, "gssmask %s %s", PACKAGE_STRING, name);
put32(c, GSSMAGGOTPROTOCOL);
put32(c, cap);
putstring(c, str);
free(str);
return 0;
}
static int
HandleOP(GetTargetName)
{
if (targetname)
putstring(c, targetname);
else
putstring(c, "");
return 0;
}
static int
HandleOP(SetLoggingSocket)
{
int32_t portnum;
int fd, ret;
ret32(c, portnum);
logmessage(c, __FILE__, __LINE__, 0,
"logging port on peer is: %d", (int)portnum);
socket_set_port((struct sockaddr *)(&c->sa), htons(portnum));
fd = socket(((struct sockaddr *)&c->sa)->sa_family, SOCK_STREAM, 0);
if (fd < 0)
return 0;
ret = connect(fd, (struct sockaddr *)&c->sa, c->salen);
if (ret < 0) {
logmessage(c, __FILE__, __LINE__, 0, "failed connect to log port: %s",
strerror(errno));
close(fd);
return 0;
}
if (c->logging)
krb5_storage_free(c->logging);
c->logging = krb5_storage_from_fd(fd);
close(fd);
krb5_store_int32(c->logging, eLogSetMoniker);
store_string(c->logging, c->moniker);
logmessage(c, __FILE__, __LINE__, 0, "logging turned on");
return 0;
}
static int
HandleOP(ChangePassword)
{
errx(1, "ChangePassword");
}
static int
HandleOP(SetPasswordSelf)
{
errx(1, "SetPasswordSelf");
}
static int
HandleOP(Wrap)
{
OM_uint32 maj_stat, min_stat;
int32_t hContext, flags, seqno;
krb5_data token;
gss_ctx_id_t ctx;
gss_buffer_desc input_token, output_token;
int conf_state;
ret32(c, hContext);
ret32(c, flags);
ret32(c, seqno);
retdata(c, token);
ctx = find_handle(c->handles, hContext, handle_context);
if (ctx == NULL)
errx(1, "wrap: reference to unknown context");
input_token.length = token.length;
input_token.value = token.data;
maj_stat = gss_wrap(&min_stat, ctx, flags, 0, &input_token,
&conf_state, &output_token);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_wrap failed");
krb5_data_free(&token);
token.data = output_token.value;
token.length = output_token.length;
put32(c, 0); /* XXX fix gsm_error */
putdata(c, token);
gss_release_buffer(&min_stat, &output_token);
return 0;
}
static int
HandleOP(Unwrap)
{
OM_uint32 maj_stat, min_stat;
int32_t hContext, flags, seqno;
krb5_data token;
gss_ctx_id_t ctx;
gss_buffer_desc input_token, output_token;
int conf_state;
gss_qop_t qop_state;
ret32(c, hContext);
ret32(c, flags);
ret32(c, seqno);
retdata(c, token);
ctx = find_handle(c->handles, hContext, handle_context);
if (ctx == NULL)
errx(1, "unwrap: reference to unknown context");
input_token.length = token.length;
input_token.value = token.data;
maj_stat = gss_unwrap(&min_stat, ctx, &input_token,
&output_token, &conf_state, &qop_state);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_unwrap failed: %d/%d", maj_stat, min_stat);
krb5_data_free(&token);
if (maj_stat == GSS_S_COMPLETE) {
token.data = output_token.value;
token.length = output_token.length;
} else {
token.data = NULL;
token.length = 0;
}
put32(c, 0); /* XXX fix gsm_error */
putdata(c, token);
if (maj_stat == GSS_S_COMPLETE)
gss_release_buffer(&min_stat, &output_token);
return 0;
}
static int
HandleOP(Encrypt)
{
return handleWrap(op, c);
}
static int
HandleOP(Decrypt)
{
return handleUnwrap(op, c);
}
static int
HandleOP(ConnectLoggingService2)
{
errx(1, "ConnectLoggingService2");
}
static int
HandleOP(GetMoniker)
{
putstring(c, c->moniker);
return 0;
}
static int
HandleOP(CallExtension)
{
errx(1, "CallExtension");
}
static int
HandleOP(AcquirePKInitCreds)
{
int32_t flags;
krb5_data pfxdata;
ret32(c, flags);
retdata(c, pfxdata);
/* get credentials */
krb5_data_free(&pfxdata);
put32(c, -1); /* hResource */
put32(c, GSMERR_NOT_SUPPORTED);
return 0;
}
/*
*
*/
struct handler {
enum gssMaggotOp op;
const char *name;
int (*func)(enum gssMaggotOp, struct client *);
};
#define S(a) { e##a, #a, handle##a }
struct handler handlers[] = {
S(GetVersionInfo),
S(GoodBye),
S(InitContext),
S(AcceptContext),
S(ToastResource),
S(AcquireCreds),
S(Encrypt),
S(Decrypt),
S(Sign),
S(Verify),
S(GetVersionAndCapabilities),
S(GetTargetName),
S(SetLoggingSocket),
S(ChangePassword),
S(SetPasswordSelf),
S(Wrap),
S(Unwrap),
S(ConnectLoggingService2),
S(GetMoniker),
S(CallExtension),
S(AcquirePKInitCreds)
};
#undef S
/*
*
*/
static struct handler *
find_op(int32_t op)
{
int i;
for (i = 0; i < sizeof(handlers)/sizeof(handlers[0]); i++)
if (handlers[i].op == op)
return &handlers[i];
return NULL;
}
static struct client *
create_client(int fd, int port, const char *moniker)
{
struct client *c;
c = ecalloc(1, sizeof(*c));
if (moniker) {
c->moniker = estrdup(moniker);
} else {
char hostname[MAXHOSTNAMELEN];
gethostname(hostname, sizeof(hostname));
asprintf(&c->moniker, "gssmask: %s:%d", hostname, port);
}
{
c->salen = sizeof(c->sa);
getpeername(fd, (struct sockaddr *)&c->sa, &c->salen);
getnameinfo((struct sockaddr *)&c->sa, c->salen,
c->servername, sizeof(c->servername),
NULL, 0, NI_NUMERICHOST);
}
c->sock = krb5_storage_from_fd(fd);
if (c->sock == NULL)
errx(1, "krb5_storage_from_fd");
close(fd);
return c;
}
static void
free_client(struct client *c)
{
while(c->handles)
del_handle(&c->handles, c->handles->idx);
free(c->moniker);
krb5_storage_free(c->sock);
if (c->logging)
krb5_storage_free(c->logging);
free(c);
}
static void *
handleServer(void *ptr)
{
struct handler *handler;
struct client *c;
int32_t op;
c = (struct client *)ptr;
while(1) {
ret32(c, op);
handler = find_op(op);
if (handler == NULL) {
logmessage(c, __FILE__, __LINE__, 0,
"op %d not supported", (int)op);
exit(1);
}
logmessage(c, __FILE__, __LINE__, 0,
"---> Got op %s from server %s",
handler->name, c->servername);
if ((handler->func)(handler->op, c))
break;
}
return NULL;
}
static char *port_str;
static int version_flag;
static int help_flag;
static char *logfile_str;
static char *moniker_str;
static int port = 4711;
struct getargs args[] = {
{ "spn", 0, arg_string, &targetname, "This host's SPN",
"service/host@REALM" },
{ "port", 'p', arg_string, &port_str, "Use this port",
"number-of-service" },
{ "logfile", 0, arg_string, &logfile_str, "logfile",
"number-of-service" },
{ "moniker", 0, arg_string, &moniker_str, "nickname",
"name" },
{ "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[0]),
NULL,
"");
exit (ret);
}
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);
return 0;
}
if (optidx != argc)
usage (1);
if (port_str) {
char *ptr;
port = strtol (port_str, &ptr, 10);
if (port == 0 && ptr == port_str)
errx (1, "Bad port `%s'", port_str);
}
krb5_init_context(&context);
{
const char *lf = logfile_str;
if (lf == NULL)
lf = "/dev/tty";
logfile = fopen(lf, "w");
if (logfile == NULL)
err(1, "error opening %s", lf);
}
mini_inetd(htons(port));
fprintf(logfile, "connected\n");
{
struct client *c;
c = create_client(0, port, moniker_str);
/* close(0); */
handleServer(c);
free_client(c);
}
krb5_free_context(context);
return 0;
}