OpenSolaris_b135/lib/smbsrv/libsmb/common/smb_api_door_calls.c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Door calls invoked by CLIs to obtain various SMB door service provided
* by SMB daemon.
*/
#include <fcntl.h>
#include <syslog.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include <unistd.h>
#include <assert.h>
#include <smbsrv/libsmb.h>
#include <smbsrv/wintypes.h>
#include <smbsrv/smb_door_svc.h>
#include <smbsrv/smb_common_door.h>
/*
* Given a SID, make a door call to get the associated name.
*
* Returns 0 if the door call is successful, otherwise -1.
*
* If 0 is returned, the lookup result will be available in a_status.
* NT_STATUS_SUCCESS The SID was mapped to a name.
* NT_STATUS_NONE_MAPPED The SID could not be mapped to a name.
*/
int
smb_lookup_sid(const char *sid, lsa_account_t *acct)
{
door_arg_t arg;
char *buf;
size_t len;
int opcode = SMB_DR_LOOKUP_SID;
int fd;
int rc;
assert((sid != NULL) && (acct != NULL));
bzero(acct, sizeof (lsa_account_t));
(void) strlcpy(acct->a_sid, sid, SMB_SID_STRSZ);
if ((fd = open(SMB_DR_SVC_NAME, O_RDONLY)) < 0)
return (-1);
buf = smb_dr_encode_common(opcode, acct, lsa_account_xdr, &len);
if (buf == NULL) {
(void) close(fd);
return (-1);
}
smb_dr_clnt_setup(&arg, buf, len);
if ((rc = smb_dr_clnt_call(fd, &arg)) == 0) {
buf = arg.rbuf + SMB_DR_DATA_OFFSET;
len = arg.rsize - SMB_DR_DATA_OFFSET;
rc = smb_dr_decode_common(buf, len, lsa_account_xdr, acct);
}
smb_dr_clnt_cleanup(&arg);
(void) close(fd);
return (rc);
}
/*
* Given a name, make a door call to get the associated SID.
*
* Returns 0 if the door call is successful, otherwise -1.
*
* If 0 is returned, the lookup result will be available in a_status.
* NT_STATUS_SUCCESS The name was mapped to a SID.
* NT_STATUS_NONE_MAPPED The name could not be mapped to a SID.
*/
int
smb_lookup_name(const char *name, sid_type_t sidtype, lsa_account_t *acct)
{
char tmp[MAXNAMELEN];
door_arg_t arg;
char *buf;
char *dp = NULL;
char *np = NULL;
size_t len;
int opcode = SMB_DR_LOOKUP_NAME;
int fd;
int rc;
assert((name != NULL) && (acct != NULL));
(void) strlcpy(tmp, name, MAXNAMELEN);
smb_name_parse(tmp, &np, &dp);
bzero(acct, sizeof (lsa_account_t));
acct->a_sidtype = sidtype;
if (dp != NULL && np != NULL) {
(void) strlcpy(acct->a_domain, dp, MAXNAMELEN);
(void) strlcpy(acct->a_name, np, MAXNAMELEN);
} else {
(void) strlcpy(acct->a_name, name, MAXNAMELEN);
}
if ((fd = open(SMB_DR_SVC_NAME, O_RDONLY)) < 0)
return (-1);
buf = smb_dr_encode_common(opcode, acct, lsa_account_xdr, &len);
if (buf == NULL) {
(void) close(fd);
return (-1);
}
smb_dr_clnt_setup(&arg, buf, len);
if ((rc = smb_dr_clnt_call(fd, &arg)) == 0) {
buf = arg.rbuf + SMB_DR_DATA_OFFSET;
len = arg.rsize - SMB_DR_DATA_OFFSET;
rc = smb_dr_decode_common(buf, len, lsa_account_xdr, acct);
}
smb_dr_clnt_cleanup(&arg);
(void) close(fd);
return (rc);
}
uint32_t
smb_join(smb_joininfo_t *jdi)
{
door_arg_t arg;
char *buf;
size_t len;
int opcode = SMB_DR_JOIN;
uint32_t status;
int fd, rc;
if (jdi == NULL)
return (NT_STATUS_INVALID_PARAMETER);
if ((fd = open(SMB_DR_SVC_NAME, O_RDONLY)) < 0)
return (NT_STATUS_INTERNAL_ERROR);
buf = smb_dr_encode_common(opcode, jdi, xdr_smb_dr_joininfo_t, &len);
if (buf == NULL) {
(void) close(fd);
return (NT_STATUS_INTERNAL_ERROR);
}
smb_dr_clnt_setup(&arg, buf, len);
if (smb_dr_clnt_call(fd, &arg) == 0) {
buf = arg.rbuf + SMB_DR_DATA_OFFSET;
len = arg.rsize - SMB_DR_DATA_OFFSET;
rc = smb_dr_decode_common(buf, len, xdr_uint32_t, &status);
if (rc != 0)
status = NT_STATUS_INTERNAL_ERROR;
} else {
status = NT_STATUS_INTERNAL_ERROR;
}
smb_dr_clnt_cleanup(&arg);
(void) close(fd);
return (status);
}
/*
* Gets information about the Domain Controller in the joined resource domain.
*
* Returns: NT_STATUS_SUCCESS if the successful in getting
* domain information.
*/
uint32_t
smb_get_dcinfo(char *namebuf, uint32_t namebuflen, smb_inaddr_t *ipaddr)
{
door_arg_t arg;
char *buf;
size_t len;
int opcode = SMB_DR_GET_DCINFO;
int fd;
char *srvname = NULL;
struct hostent *h;
int error_num;
assert((namebuf != NULL) && (namebuflen != 0));
*namebuf = '\0';
if ((fd = open(SMB_DR_SVC_NAME, O_RDONLY)) < 0)
return (NT_STATUS_INTERNAL_ERROR);
if ((buf = smb_dr_set_opcode(opcode, &len)) == NULL) {
(void) close(fd);
return (NT_STATUS_INTERNAL_ERROR);
}
smb_dr_clnt_setup(&arg, buf, len);
if (smb_dr_clnt_call(fd, &arg) == 0) {
buf = arg.rbuf + SMB_DR_DATA_OFFSET;
len = arg.rsize - SMB_DR_DATA_OFFSET;
srvname = smb_dr_decode_string(buf, len);
}
smb_dr_clnt_cleanup(&arg);
(void) close(fd);
if (srvname) {
(void) strlcpy(namebuf, srvname, namebuflen);
if ((h = smb_gethostbyname(srvname, &error_num)) == NULL) {
bzero(ipaddr, sizeof (smb_inaddr_t));
} else {
(void) memcpy(ipaddr, h->h_addr, h->h_length);
ipaddr->a_family = h->h_addrtype;
freehostent(h);
}
xdr_free(xdr_string, (char *)&srvname);
}
return (NT_STATUS_SUCCESS);
}
bool_t
xdr_smb_dr_joininfo_t(XDR *xdrs, smb_joininfo_t *objp)
{
if (!xdr_vector(xdrs, (char *)objp->domain_name, MAXHOSTNAMELEN,
sizeof (char), (xdrproc_t)xdr_char))
return (FALSE);
if (!xdr_vector(xdrs, (char *)objp->domain_username,
SMB_USERNAME_MAXLEN + 1, sizeof (char), (xdrproc_t)xdr_char))
return (FALSE);
if (!xdr_vector(xdrs, (char *)objp->domain_passwd,
SMB_PASSWD_MAXLEN + 1, sizeof (char), (xdrproc_t)xdr_char))
return (FALSE);
if (!xdr_uint32_t(xdrs, &objp->mode))
return (FALSE);
return (TRUE);
}
/*
* Parameters:
* fqdn (input) - fully-qualified domain name
* srvbuf (output) - fully-qualified hostname of the AD server found
* by this function.
* srvbuflen (input) - length of the 'buf'
*
* Return:
* B_TRUE if an AD server is found. Otherwise, returns B_FALSE;
*
* The buffer passed in should be big enough to hold a fully-qualified
* hostname (MAXHOSTNAMELEN); otherwise, a truncated string will be
* returned. On error, an empty string will be returned.
*/
boolean_t
smb_find_ads_server(char *fqdn, char *srvbuf, int srvbuflen)
{
door_arg_t arg;
char *buf;
size_t len;
int opcode = SMB_DR_ADS_FIND_HOST;
char *server = NULL;
int fd;
boolean_t found = B_FALSE;
if (!srvbuf)
return (B_FALSE);
*srvbuf = '\0';
if (!fqdn)
return (B_FALSE);
if ((fd = open(SMB_DR_SVC_NAME, O_RDONLY)) < 0)
return (B_FALSE);
if ((buf = smb_dr_encode_string(opcode, fqdn, &len)) == 0) {
(void) close(fd);
return (B_FALSE);
}
smb_dr_clnt_setup(&arg, buf, len);
if (smb_dr_clnt_call(fd, &arg) == 0) {
buf = arg.rbuf + SMB_DR_DATA_OFFSET;
len = arg.rsize - SMB_DR_DATA_OFFSET;
if ((server = smb_dr_decode_string(buf, len)) != NULL) {
if (*server != '\0') {
(void) strlcpy(srvbuf, server, srvbuflen);
found = B_TRUE;
}
xdr_free(xdr_string, (char *)&server);
}
}
smb_dr_clnt_cleanup(&arg);
(void) close(fd);
return (found);
}