/* $NetBSD: isakmp_xauth.c,v 1.11.6.2 2009/04/20 13:35:36 tteras Exp $ */
/* Id: isakmp_xauth.c,v 1.38 2006/08/22 18:17:17 manubsd Exp */
/*
* Copyright (C) 2004-2005 Emmanuel Dreyfus
* 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 project 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 PROJECT 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 PROJECT 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 "config.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/queue.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#include <grp.h>
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include <netdb.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <ctype.h>
#include <resolv.h>
#ifdef HAVE_SHADOW_H
#include <shadow.h>
#endif
#include "var.h"
#include "misc.h"
#include "vmbuf.h"
#include "plog.h"
#include "sockmisc.h"
#include "schedule.h"
#include "debug.h"
#include "crypto_openssl.h"
#include "isakmp_var.h"
#include "isakmp.h"
#include "admin.h"
#include "privsep.h"
#include "evt.h"
#include "handler.h"
#include "throttle.h"
#include "remoteconf.h"
#include "isakmp_inf.h"
#include "isakmp_xauth.h"
#include "isakmp_unity.h"
#include "isakmp_cfg.h"
#include "strnames.h"
#include "ipsec_doi.h"
#include "remoteconf.h"
#include "localconf.h"
#ifdef HAVE_LIBRADIUS
#include <radlib.h>
struct rad_handle *radius_auth_state = NULL;
struct rad_handle *radius_acct_state = NULL;
#endif
#ifdef HAVE_LIBPAM
#include <security/pam_appl.h>
static char *PAM_usr = NULL;
static char *PAM_pwd = NULL;
static int PAM_conv(int, const struct pam_message **,
struct pam_response **, void *);
static struct pam_conv PAM_chat = { &PAM_conv, NULL };
#endif
#ifdef HAVE_LIBLDAP
#include "ldap.h"
#include <arpa/inet.h>
struct xauth_ldap_config xauth_ldap_config;
#endif
void
xauth_sendreq(iph1)
struct ph1handle *iph1;
{
vchar_t *buffer;
struct isakmp_pl_attr *attr;
struct isakmp_data *typeattr;
struct isakmp_data *usrattr;
struct isakmp_data *pwdattr;
struct xauth_state *xst = &iph1->mode_cfg->xauth;
size_t tlen;
/* Status checks */
if (iph1->status != PHASE1ST_ESTABLISHED) {
plog(LLV_ERROR, LOCATION, NULL,
"Xauth request while phase 1 is not completed\n");
return;
}
if (xst->status != XAUTHST_NOTYET) {
plog(LLV_ERROR, LOCATION, NULL,
"Xauth request whith Xauth state %d\n", xst->status);
return;
}
plog(LLV_INFO, LOCATION, NULL, "Sending Xauth request\n");
tlen = sizeof(*attr) +
+ sizeof(*typeattr) +
+ sizeof(*usrattr) +
+ sizeof(*pwdattr);
if ((buffer = vmalloc(tlen)) == NULL) {
plog(LLV_ERROR, LOCATION, NULL, "Cannot allocate buffer\n");
return;
}
attr = (struct isakmp_pl_attr *)buffer->v;
memset(attr, 0, tlen);
attr->h.len = htons(tlen);
attr->type = ISAKMP_CFG_REQUEST;
attr->id = htons(eay_random());
typeattr = (struct isakmp_data *)(attr + 1);
typeattr->type = htons(XAUTH_TYPE | ISAKMP_GEN_TV);
typeattr->lorv = htons(XAUTH_TYPE_GENERIC);
usrattr = (struct isakmp_data *)(typeattr + 1);
usrattr->type = htons(XAUTH_USER_NAME | ISAKMP_GEN_TLV);
usrattr->lorv = htons(0);
pwdattr = (struct isakmp_data *)(usrattr + 1);
pwdattr->type = htons(XAUTH_USER_PASSWORD | ISAKMP_GEN_TLV);
pwdattr->lorv = htons(0);
isakmp_cfg_send(iph1, buffer,
ISAKMP_NPTYPE_ATTR, ISAKMP_FLAG_E, 1);
vfree(buffer);
xst->status = XAUTHST_REQSENT;
return;
}
int
xauth_attr_reply(iph1, attr, id)
struct ph1handle *iph1;
struct isakmp_data *attr;
int id;
{
char **outlet = NULL;
size_t alen = 0;
int type;
struct xauth_state *xst = &iph1->mode_cfg->xauth;
if ((iph1->mode_cfg->flags & ISAKMP_CFG_VENDORID_XAUTH) == 0) {
plog(LLV_ERROR, LOCATION, NULL,
"Xauth reply but peer did not declare "
"itself as Xauth capable\n");
return -1;
}
if (xst->status != XAUTHST_REQSENT) {
plog(LLV_ERROR, LOCATION, NULL,
"Xauth reply while Xauth state is %d\n", xst->status);
return -1;
}
type = ntohs(attr->type) & ~ISAKMP_GEN_MASK;
switch (type) {
case XAUTH_TYPE:
switch (ntohs(attr->lorv)) {
case XAUTH_TYPE_GENERIC:
xst->authtype = XAUTH_TYPE_GENERIC;
break;
default:
plog(LLV_WARNING, LOCATION, NULL,
"Unexpected authentication type %d\n",
ntohs(type));
return -1;
}
break;
case XAUTH_USER_NAME:
outlet = &xst->authdata.generic.usr;
break;
case XAUTH_USER_PASSWORD:
outlet = &xst->authdata.generic.pwd;
break;
default:
plog(LLV_WARNING, LOCATION, NULL,
"ignored Xauth attribute %d\n", type);
break;
}
if (outlet != NULL) {
alen = ntohs(attr->lorv);
if ((*outlet = racoon_malloc(alen + 1)) == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"Cannot allocate memory for Xauth Data\n");
return -1;
}
memcpy(*outlet, attr + 1, alen);
(*outlet)[alen] = '\0';
outlet = NULL;
}
if ((xst->authdata.generic.usr != NULL) &&
(xst->authdata.generic.pwd != NULL)) {
int port;
int res;
char *usr = xst->authdata.generic.usr;
char *pwd = xst->authdata.generic.pwd;
time_t throttle_delay = 0;
#if 0 /* Real debug, don't do that at home */
plog(LLV_DEBUG, LOCATION, NULL,
"Got username \"%s\", password \"%s\"\n", usr, pwd);
#endif
strncpy(iph1->mode_cfg->login, usr, LOGINLEN);
iph1->mode_cfg->login[LOGINLEN] = '\0';
res = -1;
if ((port = isakmp_cfg_getport(iph1)) == -1) {
plog(LLV_ERROR, LOCATION, NULL,
"Port pool depleted\n");
goto skip_auth;
}
switch (isakmp_cfg_config.authsource) {
case ISAKMP_CFG_AUTH_SYSTEM:
res = privsep_xauth_login_system(usr, pwd);
break;
#ifdef HAVE_LIBRADIUS
case ISAKMP_CFG_AUTH_RADIUS:
res = xauth_login_radius(iph1, usr, pwd);
break;
#endif
#ifdef HAVE_LIBPAM
case ISAKMP_CFG_AUTH_PAM:
res = privsep_xauth_login_pam(iph1->mode_cfg->port,
iph1->remote, usr, pwd);
break;
#endif
#ifdef HAVE_LIBLDAP
case ISAKMP_CFG_AUTH_LDAP:
res = xauth_login_ldap(iph1, usr, pwd);
break;
#endif
default:
plog(LLV_ERROR, LOCATION, NULL,
"Unexpected authentication source\n");
res = -1;
break;
}
/*
* Optional group authentication
*/
if (!res && (isakmp_cfg_config.groupcount))
res = group_check(iph1,
isakmp_cfg_config.grouplist,
isakmp_cfg_config.groupcount);
/*
* On failure, throttle the connexion for the remote host
* in order to make password attacks more difficult.
*/
throttle_delay = throttle_host(iph1->remote, res) - time(NULL);
if (throttle_delay > 0) {
char *str;
str = saddrwop2str(iph1->remote);
plog(LLV_ERROR, LOCATION, NULL,
"Throttling in action for %s: delay %lds\n",
str, (unsigned long)throttle_delay);
res = -1;
} else {
throttle_delay = 0;
}
skip_auth:
if (throttle_delay != 0) {
struct xauth_reply_arg *xra;
if ((xra = racoon_malloc(sizeof(*xra))) == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"malloc failed, bypass throttling\n");
return xauth_reply(iph1, port, id, res);
}
/*
* We need to store the ph1, but it might have
* disapeared when xauth_reply is called, so
* store the index instead.
*/
xra->index = iph1->index;
xra->port = port;
xra->id = id;
xra->res = res;
sched_new(throttle_delay, xauth_reply_stub, xra);
} else {
return xauth_reply(iph1, port, id, res);
}
}
return 0;
}
void
xauth_reply_stub(args)
void *args;
{
struct xauth_reply_arg *xra = (struct xauth_reply_arg *)args;
struct ph1handle *iph1;
if ((iph1 = getph1byindex(&xra->index)) != NULL)
(void)xauth_reply(iph1, xra->port, xra->id, xra->res);
else
plog(LLV_ERROR, LOCATION, NULL,
"Delayed Xauth reply: phase 1 no longer exists.\n");
racoon_free(xra);
return;
}
int
xauth_reply(iph1, port, id, res)
struct ph1handle *iph1;
int port;
int id;
#if defined(ANDROID_CHANGES)
int res;
#endif
{
struct xauth_state *xst = &iph1->mode_cfg->xauth;
char *usr = xst->authdata.generic.usr;
if (res != 0) {
if (port != -1)
isakmp_cfg_putport(iph1, port);
plog(LLV_INFO, LOCATION, NULL,
"login failed for user \"%s\"\n", usr);
xauth_sendstatus(iph1, XAUTH_STATUS_FAIL, id);
xst->status = XAUTHST_NOTYET;
/* Delete Phase 1 SA */
if (iph1->status == PHASE1ST_ESTABLISHED)
isakmp_info_send_d1(iph1);
remph1(iph1);
delph1(iph1);
return -1;
}
xst->status = XAUTHST_OK;
plog(LLV_INFO, LOCATION, NULL,
"login succeeded for user \"%s\"\n", usr);
xauth_sendstatus(iph1, XAUTH_STATUS_OK, id);
return 0;
}
void
xauth_sendstatus(iph1, status, id)
struct ph1handle *iph1;
int status;
int id;
{
vchar_t *buffer;
struct isakmp_pl_attr *attr;
struct isakmp_data *stattr;
size_t tlen;
tlen = sizeof(*attr) +
+ sizeof(*stattr);
if ((buffer = vmalloc(tlen)) == NULL) {
plog(LLV_ERROR, LOCATION, NULL, "Cannot allocate buffer\n");
return;
}
attr = (struct isakmp_pl_attr *)buffer->v;
memset(attr, 0, tlen);
attr->h.len = htons(tlen);
attr->type = ISAKMP_CFG_SET;
attr->id = htons(id);
stattr = (struct isakmp_data *)(attr + 1);
stattr->type = htons(XAUTH_STATUS | ISAKMP_GEN_TV);
stattr->lorv = htons(status);
isakmp_cfg_send(iph1, buffer,
ISAKMP_NPTYPE_ATTR, ISAKMP_FLAG_E, 1);
vfree(buffer);
return;
}
#ifdef HAVE_LIBRADIUS
int
xauth_radius_init(void)
{
/* For first time use, initialize Radius */
if ((isakmp_cfg_config.authsource == ISAKMP_CFG_AUTH_RADIUS) &&
(radius_auth_state == NULL)) {
if ((radius_auth_state = rad_auth_open()) == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"Cannot init libradius\n");
return -1;
}
if (rad_config(radius_auth_state, NULL) != 0) {
plog(LLV_ERROR, LOCATION, NULL,
"Cannot open librarius config file: %s\n",
rad_strerror(radius_auth_state));
rad_close(radius_auth_state);
radius_auth_state = NULL;
return -1;
}
}
if ((isakmp_cfg_config.accounting == ISAKMP_CFG_ACCT_RADIUS) &&
(radius_acct_state == NULL)) {
if ((radius_acct_state = rad_acct_open()) == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"Cannot init libradius\n");
return -1;
}
if (rad_config(radius_acct_state, NULL) != 0) {
plog(LLV_ERROR, LOCATION, NULL,
"Cannot open librarius config file: %s\n",
rad_strerror(radius_acct_state));
rad_close(radius_acct_state);
radius_acct_state = NULL;
return -1;
}
}
return 0;
}
int
xauth_login_radius(iph1, usr, pwd)
struct ph1handle *iph1;
char *usr;
char *pwd;
{
int res;
const void *data;
size_t len;
int type;
if (rad_create_request(radius_auth_state, RAD_ACCESS_REQUEST) != 0) {
plog(LLV_ERROR, LOCATION, NULL,
"rad_create_request failed: %s\n",
rad_strerror(radius_auth_state));
return -1;
}
if (rad_put_string(radius_auth_state, RAD_USER_NAME, usr) != 0) {
plog(LLV_ERROR, LOCATION, NULL,
"rad_put_string failed: %s\n",
rad_strerror(radius_auth_state));
return -1;
}
if (rad_put_string(radius_auth_state, RAD_USER_PASSWORD, pwd) != 0) {
plog(LLV_ERROR, LOCATION, NULL,
"rad_put_string failed: %s\n",
rad_strerror(radius_auth_state));
return -1;
}
if (isakmp_cfg_radius_common(radius_auth_state, iph1->mode_cfg->port) != 0)
return -1;
switch (res = rad_send_request(radius_auth_state)) {
case RAD_ACCESS_ACCEPT:
while ((type = rad_get_attr(radius_auth_state, &data, &len)) != 0) {
switch (type) {
case RAD_FRAMED_IP_ADDRESS:
iph1->mode_cfg->addr4 = rad_cvt_addr(data);
iph1->mode_cfg->flags
|= ISAKMP_CFG_ADDR4_EXTERN;
break;
case RAD_FRAMED_IP_NETMASK:
iph1->mode_cfg->mask4 = rad_cvt_addr(data);
iph1->mode_cfg->flags
|= ISAKMP_CFG_MASK4_EXTERN;
break;
default:
plog(LLV_INFO, LOCATION, NULL,
"Unexpected attribute: %d\n", type);
break;
}
}
return 0;
break;
case RAD_ACCESS_REJECT:
return -1;
break;
case -1:
plog(LLV_ERROR, LOCATION, NULL,
"rad_send_request failed: %s\n",
rad_strerror(radius_auth_state));
return -1;
break;
default:
plog(LLV_ERROR, LOCATION, NULL,
"rad_send_request returned %d\n", res);
return -1;
break;
}
return -1;
}
#endif
#ifdef HAVE_LIBPAM
static int
PAM_conv(msg_count, msg, rsp, dontcare)
int msg_count;
const struct pam_message **msg;
struct pam_response **rsp;
void *dontcare;
{
int i;
int replies = 0;
struct pam_response *reply = NULL;
if ((reply = racoon_malloc(sizeof(*reply) * msg_count)) == NULL)
return PAM_CONV_ERR;
bzero(reply, sizeof(*reply) * msg_count);
for (i = 0; i < msg_count; i++) {
switch (msg[i]->msg_style) {
case PAM_PROMPT_ECHO_ON:
/* Send the username, libpam frees resp */
reply[i].resp_retcode = PAM_SUCCESS;
if ((reply[i].resp = strdup(PAM_usr)) == NULL) {
plog(LLV_ERROR, LOCATION,
NULL, "strdup failed\n");
exit(1);
}
break;
case PAM_PROMPT_ECHO_OFF:
/* Send the password, libpam frees resp */
reply[i].resp_retcode = PAM_SUCCESS;
if ((reply[i].resp = strdup(PAM_pwd)) == NULL) {
plog(LLV_ERROR, LOCATION,
NULL, "strdup failed\n");
exit(1);
}
break;
case PAM_TEXT_INFO:
case PAM_ERROR_MSG:
reply[i].resp_retcode = PAM_SUCCESS;
reply[i].resp = NULL;
break;
default:
if (reply != NULL)
racoon_free(reply);
return PAM_CONV_ERR;
break;
}
}
if (reply != NULL)
*rsp = reply;
return PAM_SUCCESS;
}
int
xauth_login_pam(port, raddr, usr, pwd)
int port;
struct sockaddr *raddr;
char *usr;
char *pwd;
{
int error;
int res;
const void *data;
size_t len;
int type;
char *remote = NULL;
pam_handle_t *pam = NULL;
if (isakmp_cfg_config.port_pool == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"isakmp_cfg_config.port_pool == NULL\n");
return -1;
}
if ((error = pam_start("racoon", usr,
&PAM_chat, &isakmp_cfg_config.port_pool[port].pam)) != 0) {
if (isakmp_cfg_config.port_pool[port].pam == NULL) {
plog(LLV_ERROR, LOCATION, NULL, "pam_start failed\n");
return -1;
} else {
plog(LLV_ERROR, LOCATION, NULL,
"pam_start failed: %s\n",
pam_strerror(isakmp_cfg_config.port_pool[port].pam,
error));
goto out;
}
}
pam = isakmp_cfg_config.port_pool[port].pam;
if ((remote = strdup(saddrwop2str(raddr))) == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"cannot allocate memory: %s\n", strerror(errno));
goto out;
}
if ((error = pam_set_item(pam, PAM_RHOST, remote)) != 0) {
plog(LLV_ERROR, LOCATION, NULL,
"pam_set_item failed: %s\n",
pam_strerror(pam, error));
goto out;
}
PAM_usr = usr;
PAM_pwd = pwd;
error = pam_authenticate(pam, 0);
PAM_usr = NULL;
PAM_pwd = NULL;
if (error != 0) {
plog(LLV_ERROR, LOCATION, NULL,
"pam_authenticate failed: %s\n",
pam_strerror(pam, error));
goto out;
}
if ((error = pam_acct_mgmt(pam, 0)) != 0) {
plog(LLV_ERROR, LOCATION, NULL,
"pam_acct_mgmt failed: %s\n",
pam_strerror(pam, error));
goto out;
}
if ((error = pam_setcred(pam, 0)) != 0) {
plog(LLV_ERROR, LOCATION, NULL,
"pam_setcred failed: %s\n",
pam_strerror(pam, error));
goto out;
}
if (remote != NULL)
free(remote);
return 0;
out:
pam_end(pam, error);
isakmp_cfg_config.port_pool[port].pam = NULL;
if (remote != NULL)
free(remote);
return -1;
}
#endif
#ifdef HAVE_LIBLDAP
int
xauth_ldap_init(void)
{
int tmplen;
int error = -1;
xauth_ldap_config.pver = 3;
xauth_ldap_config.host = NULL;
xauth_ldap_config.port = LDAP_PORT;
xauth_ldap_config.base = NULL;
xauth_ldap_config.subtree = 0;
xauth_ldap_config.bind_dn = NULL;
xauth_ldap_config.bind_pw = NULL;
xauth_ldap_config.auth_type = LDAP_AUTH_SIMPLE;
xauth_ldap_config.attr_user = NULL;
xauth_ldap_config.attr_addr = NULL;
xauth_ldap_config.attr_mask = NULL;
xauth_ldap_config.attr_group = NULL;
xauth_ldap_config.attr_member = NULL;
/* set default host */
tmplen = strlen(LDAP_DFLT_HOST);
xauth_ldap_config.host = vmalloc(tmplen);
if (xauth_ldap_config.host == NULL)
goto out;
memcpy(xauth_ldap_config.host->v, LDAP_DFLT_HOST, tmplen);
/* set default user naming attribute */
tmplen = strlen(LDAP_DFLT_USER);
xauth_ldap_config.attr_user = vmalloc(tmplen);
if (xauth_ldap_config.attr_user == NULL)
goto out;
memcpy(xauth_ldap_config.attr_user->v, LDAP_DFLT_USER, tmplen);
/* set default address attribute */
tmplen = strlen(LDAP_DFLT_ADDR);
xauth_ldap_config.attr_addr = vmalloc(tmplen);
if (xauth_ldap_config.attr_addr == NULL)
goto out;
memcpy(xauth_ldap_config.attr_addr->v, LDAP_DFLT_ADDR, tmplen);
/* set default netmask attribute */
tmplen = strlen(LDAP_DFLT_MASK);
xauth_ldap_config.attr_mask = vmalloc(tmplen);
if (xauth_ldap_config.attr_mask == NULL)
goto out;
memcpy(xauth_ldap_config.attr_mask->v, LDAP_DFLT_MASK, tmplen);
/* set default group naming attribute */
tmplen = strlen(LDAP_DFLT_GROUP);
xauth_ldap_config.attr_group = vmalloc(tmplen);
if (xauth_ldap_config.attr_group == NULL)
goto out;
memcpy(xauth_ldap_config.attr_group->v, LDAP_DFLT_GROUP, tmplen);
/* set default member attribute */
tmplen = strlen(LDAP_DFLT_MEMBER);
xauth_ldap_config.attr_member = vmalloc(tmplen);
if (xauth_ldap_config.attr_member == NULL)
goto out;
memcpy(xauth_ldap_config.attr_member->v, LDAP_DFLT_MEMBER, tmplen);
error = 0;
out:
if (error != 0)
plog(LLV_ERROR, LOCATION, NULL, "cannot allocate memory\n");
return error;
}
int
xauth_login_ldap(iph1, usr, pwd)
struct ph1handle *iph1;
char *usr;
char *pwd;
{
int rtn = -1;
int res = -1;
LDAP *ld = NULL;
LDAPMessage *lr = NULL;
LDAPMessage *le = NULL;
struct berval cred;
struct berval **bv = NULL;
struct timeval timeout;
char *init = NULL;
char *filter = NULL;
char *atlist[3];
char *basedn = NULL;
char *userdn = NULL;
int tmplen = 0;
int ecount = 0;
int scope = LDAP_SCOPE_ONE;
atlist[0] = NULL;
atlist[1] = NULL;
atlist[2] = NULL;
/* build our initialization url */
tmplen = strlen("ldap://:") + 17;
tmplen += strlen(xauth_ldap_config.host->v);
init = racoon_malloc(tmplen);
if (init == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"unable to alloc ldap init url\n");
goto ldap_end;
}
sprintf(init,"ldap://%s:%d",
xauth_ldap_config.host->v,
xauth_ldap_config.port );
/* initialize the ldap handle */
res = ldap_initialize(&ld, init);
if (res != LDAP_SUCCESS) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_initialize failed: %s\n",
ldap_err2string(res));
goto ldap_end;
}
/* initialize the protocol version */
ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION,
&xauth_ldap_config.pver);
/*
* attempt to bind to the ldap server.
* default to anonymous bind unless a
* user dn and password has been
* specified in our configuration
*/
if ((xauth_ldap_config.bind_dn != NULL)&&
(xauth_ldap_config.bind_pw != NULL))
{
cred.bv_val = xauth_ldap_config.bind_pw->v;
cred.bv_len = strlen( cred.bv_val );
res = ldap_sasl_bind_s(ld,
xauth_ldap_config.bind_dn->v, NULL, &cred,
NULL, NULL, NULL);
}
else
{
res = ldap_sasl_bind_s(ld,
NULL, NULL, NULL,
NULL, NULL, NULL);
}
if (res!=LDAP_SUCCESS) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_sasl_bind_s (search) failed: %s\n",
ldap_err2string(res));
goto ldap_end;
}
/* build an ldap user search filter */
tmplen = strlen(xauth_ldap_config.attr_user->v);
tmplen += 1;
tmplen += strlen(usr);
tmplen += 1;
filter = racoon_malloc(tmplen);
if (filter == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"unable to alloc ldap search filter buffer\n");
goto ldap_end;
}
sprintf(filter, "%s=%s",
xauth_ldap_config.attr_user->v, usr);
/* build our return attribute list */
tmplen = strlen(xauth_ldap_config.attr_addr->v) + 1;
atlist[0] = racoon_malloc(tmplen);
tmplen = strlen(xauth_ldap_config.attr_mask->v) + 1;
atlist[1] = racoon_malloc(tmplen);
if ((atlist[0] == NULL)||(atlist[1] == NULL)) {
plog(LLV_ERROR, LOCATION, NULL,
"unable to alloc ldap attrib list buffer\n");
goto ldap_end;
}
strcpy(atlist[0],xauth_ldap_config.attr_addr->v);
strcpy(atlist[1],xauth_ldap_config.attr_mask->v);
/* attempt to locate the user dn */
if (xauth_ldap_config.base != NULL)
basedn = xauth_ldap_config.base->v;
if (xauth_ldap_config.subtree)
scope = LDAP_SCOPE_SUBTREE;
timeout.tv_sec = 15;
timeout.tv_usec = 0;
res = ldap_search_ext_s(ld, basedn, scope,
filter, atlist, 0, NULL, NULL,
&timeout, 2, &lr);
if (res != LDAP_SUCCESS) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_search_ext_s failed: %s\n",
ldap_err2string(res));
goto ldap_end;
}
/* check the number of ldap entries returned */
ecount = ldap_count_entries(ld, lr);
if (ecount < 1) {
plog(LLV_WARNING, LOCATION, NULL,
"no ldap results for filter \'%s\'\n",
filter);
goto ldap_end;
}
if (ecount > 1) {
plog(LLV_WARNING, LOCATION, NULL,
"multiple (%i) ldap results for filter \'%s\'\n",
ecount, filter);
}
/* obtain the dn from the first result */
le = ldap_first_entry(ld, lr);
if (le == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_first_entry failed: invalid entry returned\n");
goto ldap_end;
}
userdn = ldap_get_dn(ld, le);
if (userdn == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_get_dn failed: invalid string returned\n");
goto ldap_end;
}
/* cache the user dn in the xauth state */
iph1->mode_cfg->xauth.udn = racoon_malloc(strlen(userdn)+1);
strcpy(iph1->mode_cfg->xauth.udn,userdn);
/* retrieve modecfg address */
bv = ldap_get_values_len(ld, le, xauth_ldap_config.attr_addr->v);
if (bv != NULL) {
char tmpaddr[16];
/* sanity check for address value */
if ((bv[0]->bv_len < 7)||(bv[0]->bv_len > 15)) {
plog(LLV_DEBUG, LOCATION, NULL,
"ldap returned invalid modecfg address\n");
ldap_value_free_len(bv);
goto ldap_end;
}
memcpy(tmpaddr,bv[0]->bv_val,bv[0]->bv_len);
tmpaddr[bv[0]->bv_len]=0;
iph1->mode_cfg->addr4.s_addr = inet_addr(tmpaddr);
iph1->mode_cfg->flags |= ISAKMP_CFG_ADDR4_EXTERN;
plog(LLV_INFO, LOCATION, NULL,
"ldap returned modecfg address %s\n", tmpaddr);
ldap_value_free_len(bv);
}
/* retrieve modecfg netmask */
bv = ldap_get_values_len(ld, le, xauth_ldap_config.attr_mask->v);
if (bv != NULL) {
char tmpmask[16];
/* sanity check for netmask value */
if ((bv[0]->bv_len < 7)||(bv[0]->bv_len > 15)) {
plog(LLV_DEBUG, LOCATION, NULL,
"ldap returned invalid modecfg netmask\n");
ldap_value_free_len(bv);
goto ldap_end;
}
memcpy(tmpmask,bv[0]->bv_val,bv[0]->bv_len);
tmpmask[bv[0]->bv_len]=0;
iph1->mode_cfg->mask4.s_addr = inet_addr(tmpmask);
iph1->mode_cfg->flags |= ISAKMP_CFG_MASK4_EXTERN;
plog(LLV_INFO, LOCATION, NULL,
"ldap returned modecfg netmask %s\n", tmpmask);
ldap_value_free_len(bv);
}
/*
* finally, use the dn and the xauth
* password to check the users given
* credentials by attempting to bind
* to the ldap server
*/
plog(LLV_INFO, LOCATION, NULL,
"attempting ldap bind for dn \'%s\'\n", userdn);
cred.bv_val = pwd;
cred.bv_len = strlen( cred.bv_val );
res = ldap_sasl_bind_s(ld,
userdn, NULL, &cred,
NULL, NULL, NULL);
if(res==LDAP_SUCCESS)
rtn = 0;
ldap_end:
/* free ldap resources */
if (userdn != NULL)
ldap_memfree(userdn);
if (atlist[0] != NULL)
racoon_free(atlist[0]);
if (atlist[1] != NULL)
racoon_free(atlist[1]);
if (filter != NULL)
racoon_free(filter);
if (lr != NULL)
ldap_msgfree(lr);
if (init != NULL)
racoon_free(init);
ldap_unbind_ext_s(ld, NULL, NULL);
return rtn;
}
int
xauth_group_ldap(udn, grp)
char * udn;
char * grp;
{
int rtn = -1;
int res = -1;
LDAP *ld = NULL;
LDAPMessage *lr = NULL;
LDAPMessage *le = NULL;
struct berval cred;
struct timeval timeout;
char *init = NULL;
char *filter = NULL;
char *basedn = NULL;
char *groupdn = NULL;
int tmplen = 0;
int ecount = 0;
int scope = LDAP_SCOPE_ONE;
/* build our initialization url */
tmplen = strlen("ldap://:") + 17;
tmplen += strlen(xauth_ldap_config.host->v);
init = racoon_malloc(tmplen);
if (init == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"unable to alloc ldap init url\n");
goto ldap_group_end;
}
sprintf(init,"ldap://%s:%d",
xauth_ldap_config.host->v,
xauth_ldap_config.port );
/* initialize the ldap handle */
res = ldap_initialize(&ld, init);
if (res != LDAP_SUCCESS) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_initialize failed: %s\n",
ldap_err2string(res));
goto ldap_group_end;
}
/* initialize the protocol version */
ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION,
&xauth_ldap_config.pver);
/*
* attempt to bind to the ldap server.
* default to anonymous bind unless a
* user dn and password has been
* specified in our configuration
*/
if ((xauth_ldap_config.bind_dn != NULL)&&
(xauth_ldap_config.bind_pw != NULL))
{
cred.bv_val = xauth_ldap_config.bind_pw->v;
cred.bv_len = strlen( cred.bv_val );
res = ldap_sasl_bind_s(ld,
xauth_ldap_config.bind_dn->v, NULL, &cred,
NULL, NULL, NULL);
}
else
{
res = ldap_sasl_bind_s(ld,
NULL, NULL, NULL,
NULL, NULL, NULL);
}
if (res!=LDAP_SUCCESS) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_sasl_bind_s (search) failed: %s\n",
ldap_err2string(res));
goto ldap_group_end;
}
/* build an ldap group search filter */
tmplen = strlen("(&(=)(=))") + 1;
tmplen += strlen(xauth_ldap_config.attr_group->v);
tmplen += strlen(grp);
tmplen += strlen(xauth_ldap_config.attr_member->v);
tmplen += strlen(udn);
filter = racoon_malloc(tmplen);
if (filter == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"unable to alloc ldap search filter buffer\n");
goto ldap_group_end;
}
sprintf(filter, "(&(%s=%s)(%s=%s))",
xauth_ldap_config.attr_group->v, grp,
xauth_ldap_config.attr_member->v, udn);
/* attempt to locate the group dn */
if (xauth_ldap_config.base != NULL)
basedn = xauth_ldap_config.base->v;
if (xauth_ldap_config.subtree)
scope = LDAP_SCOPE_SUBTREE;
timeout.tv_sec = 15;
timeout.tv_usec = 0;
res = ldap_search_ext_s(ld, basedn, scope,
filter, NULL, 0, NULL, NULL,
&timeout, 2, &lr);
if (res != LDAP_SUCCESS) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_search_ext_s failed: %s\n",
ldap_err2string(res));
goto ldap_group_end;
}
/* check the number of ldap entries returned */
ecount = ldap_count_entries(ld, lr);
if (ecount < 1) {
plog(LLV_WARNING, LOCATION, NULL,
"no ldap results for filter \'%s\'\n",
filter);
goto ldap_group_end;
}
/* success */
rtn = 0;
/* obtain the dn from the first result */
le = ldap_first_entry(ld, lr);
if (le == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_first_entry failed: invalid entry returned\n");
goto ldap_group_end;
}
groupdn = ldap_get_dn(ld, le);
if (groupdn == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"ldap_get_dn failed: invalid string returned\n");
goto ldap_group_end;
}
plog(LLV_INFO, LOCATION, NULL,
"ldap membership group returned \'%s\'\n", groupdn);
ldap_group_end:
/* free ldap resources */
if (groupdn != NULL)
ldap_memfree(groupdn);
if (filter != NULL)
racoon_free(filter);
if (lr != NULL)
ldap_msgfree(lr);
if (init != NULL)
racoon_free(init);
ldap_unbind_ext_s(ld, NULL, NULL);
return rtn;
}
#endif
#ifndef ANDROID_PATCHED
int
xauth_login_system(usr, pwd)
char *usr;
char *pwd;
{
struct passwd *pw;
char *cryptpwd;
char *syscryptpwd;
#ifdef HAVE_SHADOW_H
struct spwd *spw;
if ((spw = getspnam(usr)) == NULL)
return -1;
syscryptpwd = spw->sp_pwdp;
#endif
if ((pw = getpwnam(usr)) == NULL)
return -1;
#ifndef HAVE_SHADOW_H
syscryptpwd = pw->pw_passwd;
#endif
/* No root login. Ever. */
if (pw->pw_uid == 0)
return -1;
if ((cryptpwd = crypt(pwd, syscryptpwd)) == NULL)
return -1;
if (strcmp(cryptpwd, syscryptpwd) == 0)
return 0;
return -1;
}
#endif
int
xauth_group_system(usr, grp)
char * usr;
char * grp;
{
struct group * gr;
char * member;
int index = 0;
gr = getgrnam(grp);
if (gr == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"the system group name \'%s\' is unknown\n",
grp);
return -1;
}
while ((member = gr->gr_mem[index++])!=NULL) {
if (!strcmp(member,usr)) {
plog(LLV_INFO, LOCATION, NULL,
"membership validated\n");
return 0;
}
}
return -1;
}
int
xauth_check(iph1)
struct ph1handle *iph1;
{
struct xauth_state *xst = &iph1->mode_cfg->xauth;
/*
* Only the server side (edge device) really check for Xauth
* status. It does it if the chose authmethod is using Xauth.
* On the client side (roadwarrior), we don't check anything.
*/
switch (AUTHMETHOD(iph1)) {
case OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_R:
case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_R:
case OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_R:
/* The following are not yet implemented */
case OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_R:
case OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_R:
case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_R:
case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_R:
if ((iph1->mode_cfg->flags & ISAKMP_CFG_VENDORID_XAUTH) == 0) {
plog(LLV_ERROR, LOCATION, NULL,
"Hybrid auth negotiated but peer did not "
"announced as Xauth capable\n");
return -1;
}
if (xst->status != XAUTHST_OK) {
plog(LLV_ERROR, LOCATION, NULL,
"Hybrid auth negotiated but peer did not "
"succeed Xauth exchange\n");
return -1;
}
return 0;
break;
default:
return 0;
break;
}
return 0;
}
int
group_check(iph1, grp_list, grp_count)
struct ph1handle *iph1;
char **grp_list;
int grp_count;
{
int res = -1;
int grp_index = 0;
char * usr = NULL;
/* check for presence of modecfg data */
if(iph1->mode_cfg == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"xauth group specified but modecfg not found\n");
return res;
}
/* loop through our group list */
for(; grp_index < grp_count; grp_index++) {
/* check for presence of xauth data */
usr = iph1->mode_cfg->xauth.authdata.generic.usr;
if(usr == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"xauth group specified but xauth not found\n");
return res;
}
/* call appropriate group validation funtion */
switch (isakmp_cfg_config.groupsource) {
case ISAKMP_CFG_GROUP_SYSTEM:
res = xauth_group_system(
usr,
grp_list[grp_index]);
break;
#ifdef HAVE_LIBLDAP
case ISAKMP_CFG_GROUP_LDAP:
res = xauth_group_ldap(
iph1->mode_cfg->xauth.udn,
grp_list[grp_index]);
break;
#endif
default:
/* we should never get here */
plog(LLV_ERROR, LOCATION, NULL,
"Unknown group auth source\n");
break;
}
if( !res ) {
plog(LLV_INFO, LOCATION, NULL,
"user \"%s\" is a member of group \"%s\"\n",
usr,
grp_list[grp_index]);
break;
} else {
plog(LLV_INFO, LOCATION, NULL,
"user \"%s\" is not a member of group \"%s\"\n",
usr,
grp_list[grp_index]);
}
}
return res;
}
vchar_t *
isakmp_xauth_req(iph1, attr)
struct ph1handle *iph1;
struct isakmp_data *attr;
{
int type;
size_t dlen = 0;
int ashort = 0;
int value = 0;
vchar_t *buffer = NULL;
char *mraw = NULL, *mdata;
char *data;
vchar_t *usr = NULL;
vchar_t *pwd = NULL;
size_t skip = 0;
int freepwd = 0;
if ((iph1->mode_cfg->flags & ISAKMP_CFG_VENDORID_XAUTH) == 0) {
plog(LLV_ERROR, LOCATION, NULL,
"Xauth mode config request but peer "
"did not declare itself as Xauth capable\n");
return NULL;
}
type = ntohs(attr->type) & ~ISAKMP_GEN_MASK;
/* Sanity checks */
switch(type) {
case XAUTH_TYPE:
if ((ntohs(attr->type) & ISAKMP_GEN_TV) == 0) {
plog(LLV_ERROR, LOCATION, NULL,
"Unexpected long XAUTH_TYPE attribute\n");
return NULL;
}
if (ntohs(attr->lorv) != XAUTH_TYPE_GENERIC) {
plog(LLV_ERROR, LOCATION, NULL,
"Unsupported Xauth authentication %d\n",
ntohs(attr->lorv));
return NULL;
}
ashort = 1;
dlen = 0;
value = XAUTH_TYPE_GENERIC;
break;
case XAUTH_USER_NAME:
if (!iph1->rmconf->xauth || !iph1->rmconf->xauth->login) {
plog(LLV_ERROR, LOCATION, NULL, "Xauth performed "
"with no login supplied\n");
return NULL;
}
dlen = iph1->rmconf->xauth->login->l - 1;
iph1->rmconf->xauth->state |= XAUTH_SENT_USERNAME;
break;
#ifdef ANDROID_PATCHED
case XAUTH_PASSCODE:
#endif
case XAUTH_USER_PASSWORD:
if (!iph1->rmconf->xauth || !iph1->rmconf->xauth->login)
return NULL;
skip = sizeof(struct ipsecdoi_id_b);
usr = vmalloc(iph1->rmconf->xauth->login->l - 1 + skip);
if (usr == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"Cannot allocate memory\n");
return NULL;
}
memset(usr->v, 0, skip);
memcpy(usr->v + skip,
iph1->rmconf->xauth->login->v,
iph1->rmconf->xauth->login->l - 1);
if (iph1->rmconf->xauth->pass) {
/* A key given through racoonctl */
pwd = iph1->rmconf->xauth->pass;
} else {
if ((pwd = getpskbyname(usr)) == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"No password was found for login %s\n",
iph1->rmconf->xauth->login->v);
vfree(usr);
return NULL;
}
/* We have to free it before returning */
freepwd = 1;
}
vfree(usr);
iph1->rmconf->xauth->state |= XAUTH_SENT_PASSWORD;
dlen = pwd->l;
break;
case XAUTH_MESSAGE:
if ((ntohs(attr->type) & ISAKMP_GEN_TV) == 0) {
dlen = ntohs(attr->lorv);
if (dlen > 0) {
mraw = (char*)(attr + 1);
mdata = binsanitize(mraw, dlen);
if (mdata == NULL) {
plog(LLV_ERROR, LOCATION, iph1->remote,
"Cannot allocate memory\n");
return NULL;
}
plog(LLV_NOTIFY,LOCATION, iph1->remote,
"XAUTH Message: '%s'.\n",
mdata);
racoon_free(mdata);
}
}
return NULL;
default:
plog(LLV_WARNING, LOCATION, NULL,
"Ignored attribute %s\n", s_isakmp_cfg_type(type));
return NULL;
break;
}
if ((buffer = vmalloc(sizeof(*attr) + dlen)) == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"Cannot allocate memory\n");
goto out;
}
attr = (struct isakmp_data *)buffer->v;
if (ashort) {
attr->type = htons(type | ISAKMP_GEN_TV);
attr->lorv = htons(value);
goto out;
}
attr->type = htons(type | ISAKMP_GEN_TLV);
attr->lorv = htons(dlen);
data = (char *)(attr + 1);
switch(type) {
case XAUTH_USER_NAME:
/*
* iph1->rmconf->xauth->login->v is valid,
* we just checked it in the previous switch case
*/
memcpy(data, iph1->rmconf->xauth->login->v, dlen);
break;
#ifdef ANDROID_PATCHED
case XAUTH_PASSCODE:
#endif
case XAUTH_USER_PASSWORD:
memcpy(data, pwd->v, dlen);
break;
default:
break;
}
out:
if (freepwd)
vfree(pwd);
return buffer;
}
vchar_t *
isakmp_xauth_set(iph1, attr)
struct ph1handle *iph1;
struct isakmp_data *attr;
{
int type;
vchar_t *buffer = NULL;
char *data;
struct xauth_state *xst;
size_t dlen = 0;
char* mraw = NULL, *mdata;
if ((iph1->mode_cfg->flags & ISAKMP_CFG_VENDORID_XAUTH) == 0) {
plog(LLV_ERROR, LOCATION, NULL,
"Xauth mode config set but peer "
"did not declare itself as Xauth capable\n");
return NULL;
}
type = ntohs(attr->type) & ~ISAKMP_GEN_MASK;
switch(type) {
case XAUTH_STATUS:
/*
* We should only receive ISAKMP mode_cfg SET XAUTH_STATUS
* when running as a client (initiator).
*/
xst = &iph1->mode_cfg->xauth;
switch(AUTHMETHOD(iph1)) {
case OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_I:
case FICTIVE_AUTH_METHOD_XAUTH_PSKEY_I:
case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_I:
/* Not implemented ... */
case OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_I:
case OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_I:
case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_I:
case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_I:
break;
default:
plog(LLV_ERROR, LOCATION, NULL,
"Unexpected XAUTH_STATUS_OK\n");
return NULL;
break;
}
/* If we got a failure, delete iph1 */
if (ntohs(attr->lorv) != XAUTH_STATUS_OK) {
plog(LLV_ERROR, LOCATION, NULL,
"Xauth authentication failed\n");
EVT_PUSH(iph1->local, iph1->remote,
EVTT_XAUTH_FAILED, NULL);
iph1->mode_cfg->flags |= ISAKMP_CFG_DELETE_PH1;
} else {
EVT_PUSH(iph1->local, iph1->remote,
EVTT_XAUTH_SUCCESS, NULL);
}
/* We acknowledge it */
break;
case XAUTH_MESSAGE:
if ((ntohs(attr->type) & ISAKMP_GEN_TV) == 0) {
dlen = ntohs(attr->lorv);
if (dlen > 0) {
mraw = (char*)(attr + 1);
mdata = binsanitize(mraw, dlen);
if (mdata == NULL) {
plog(LLV_ERROR, LOCATION, iph1->remote,
"Cannot allocate memory\n");
return NULL;
}
plog(LLV_NOTIFY,LOCATION, iph1->remote,
"XAUTH Message: '%s'.\n",
mdata);
racoon_free(mdata);
}
}
default:
plog(LLV_WARNING, LOCATION, NULL,
"Ignored attribute %s\n", s_isakmp_cfg_type(type));
return NULL;
break;
}
if ((buffer = vmalloc(sizeof(*attr))) == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"Cannot allocate memory\n");
return NULL;
}
attr = (struct isakmp_data *)buffer->v;
attr->type = htons(type | ISAKMP_GEN_TV);
attr->lorv = htons(0);
return buffer;
}
void
xauth_rmstate(xst)
struct xauth_state *xst;
{
switch (xst->authtype) {
case XAUTH_TYPE_GENERIC:
if (xst->authdata.generic.usr)
racoon_free(xst->authdata.generic.usr);
if (xst->authdata.generic.pwd)
racoon_free(xst->authdata.generic.pwd);
break;
case XAUTH_TYPE_CHAP:
case XAUTH_TYPE_OTP:
case XAUTH_TYPE_SKEY:
plog(LLV_WARNING, LOCATION, NULL,
"Unsupported authtype %d\n", xst->authtype);
break;
default:
plog(LLV_WARNING, LOCATION, NULL,
"Unexpected authtype %d\n", xst->authtype);
break;
}
#ifdef HAVE_LIBLDAP
if (xst->udn != NULL)
racoon_free(xst->udn);
#endif
return;
}
int
xauth_rmconf_used(xauth_rmconf)
struct xauth_rmconf **xauth_rmconf;
{
if (*xauth_rmconf == NULL) {
*xauth_rmconf = racoon_malloc(sizeof(**xauth_rmconf));
if (*xauth_rmconf == NULL) {
plog(LLV_ERROR, LOCATION, NULL,
"xauth_rmconf_used: malloc failed\n");
return -1;
}
(*xauth_rmconf)->login = NULL;
(*xauth_rmconf)->pass = NULL;
(*xauth_rmconf)->state = 0;
}
return 0;
}
void
xauth_rmconf_delete(xauth_rmconf)
struct xauth_rmconf **xauth_rmconf;
{
if (*xauth_rmconf != NULL) {
if ((*xauth_rmconf)->login != NULL)
vfree((*xauth_rmconf)->login);
if ((*xauth_rmconf)->pass != NULL)
vfree((*xauth_rmconf)->pass);
racoon_free(*xauth_rmconf);
*xauth_rmconf = NULL;
}
return;
}