/*-
* Copyright (c) 2000-2001 Boris Popov
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/proc.h>
#include <sys/fcntl.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/sysctl.h>
#include <sys/mbuf.h>
#include <sys/iconv.h>
#include <netsmb/smb.h>
#include <netsmb/smb_conn.h>
#include <netsmb/smb_rq.h>
#include <netsmb/smb_subr.h>
#include <netsmb/smb_dev.h>
/*
* helpers for nsmb device. Can be moved to the smb_dev.c file.
*/
static void smb_usr_vcspec_free(struct smb_vcspec *spec);
static int
smb_usr_vc2spec(struct smbioc_ossn *dp, struct smb_vcspec *spec)
{
int flags = 0;
bzero(spec, sizeof(*spec));
#ifdef NETSMB_NO_ANON_USER
if (dp->ioc_user[0] == 0)
return EINVAL;
#endif
if (dp->ioc_server == NULL)
return EINVAL;
if (dp->ioc_localcs[0] == 0) {
SMBERROR("no local charset ?\n");
return EINVAL;
}
spec->sap = smb_memdupin(dp->ioc_server, dp->ioc_svlen);
if (spec->sap == NULL)
return ENOMEM;
if (dp->ioc_local) {
spec->lap = smb_memdupin(dp->ioc_local, dp->ioc_lolen);
if (spec->lap == NULL) {
smb_usr_vcspec_free(spec);
return ENOMEM;
}
}
spec->srvname = dp->ioc_srvname;
spec->pass = dp->ioc_password;
spec->domain = dp->ioc_workgroup;
spec->username = dp->ioc_user;
spec->mode = dp->ioc_mode;
spec->rights = dp->ioc_rights;
spec->owner = dp->ioc_owner;
spec->group = dp->ioc_group;
spec->localcs = dp->ioc_localcs;
spec->servercs = dp->ioc_servercs;
if (dp->ioc_opt & SMBVOPT_PRIVATE)
flags |= SMBV_PRIVATE;
if (dp->ioc_opt & SMBVOPT_SINGLESHARE)
flags |= SMBV_PRIVATE | SMBV_SINGLESHARE;
spec->flags = flags;
return 0;
}
static void
smb_usr_vcspec_free(struct smb_vcspec *spec)
{
if (spec->sap)
smb_memfree(spec->sap);
if (spec->lap)
smb_memfree(spec->lap);
}
static int
smb_usr_share2spec(struct smbioc_oshare *dp, struct smb_sharespec *spec)
{
bzero(spec, sizeof(*spec));
spec->mode = dp->ioc_mode;
spec->rights = dp->ioc_rights;
spec->owner = dp->ioc_owner;
spec->group = dp->ioc_group;
spec->name = dp->ioc_share;
spec->stype = dp->ioc_stype;
spec->pass = dp->ioc_password;
return 0;
}
int
smb_usr_lookup(struct smbioc_lookup *dp, struct smb_cred *scred,
struct smb_vc **vcpp, struct smb_share **sspp)
{
struct smb_vc *vcp = NULL;
struct smb_vcspec vspec;
struct smb_sharespec sspec, *sspecp = NULL;
int error;
if (dp->ioc_level < SMBL_VC || dp->ioc_level > SMBL_SHARE)
return EINVAL;
error = smb_usr_vc2spec(&dp->ioc_ssn, &vspec);
if (error)
return error;
if (dp->ioc_flags & SMBLK_CREATE)
vspec.flags |= SMBV_CREATE;
if (dp->ioc_level >= SMBL_SHARE) {
error = smb_usr_share2spec(&dp->ioc_sh, &sspec);
if (error)
goto out;
sspecp = &sspec;
}
error = smb_sm_lookup(&vspec, sspecp, scred, &vcp);
if (error == 0) {
*vcpp = vcp;
*sspp = vspec.ssp;
}
out:
smb_usr_vcspec_free(&vspec);
return error;
}
/*
* Connect to the resource specified by smbioc_ossn structure.
* It may either find an existing connection or try to establish a new one.
* If no errors occured smb_vc returned locked and referenced.
*/
int
smb_usr_opensession(struct smbioc_ossn *dp, struct smb_cred *scred,
struct smb_vc **vcpp)
{
struct smb_vc *vcp = NULL;
struct smb_vcspec vspec;
int error;
error = smb_usr_vc2spec(dp, &vspec);
if (error)
return error;
if (dp->ioc_opt & SMBVOPT_CREATE)
vspec.flags |= SMBV_CREATE;
error = smb_sm_lookup(&vspec, NULL, scred, &vcp);
smb_usr_vcspec_free(&vspec);
return error;
}
int
smb_usr_openshare(struct smb_vc *vcp, struct smbioc_oshare *dp,
struct smb_cred *scred, struct smb_share **sspp)
{
struct smb_share *ssp;
struct smb_sharespec shspec;
int error;
error = smb_usr_share2spec(dp, &shspec);
if (error)
return error;
error = smb_vc_lookupshare(vcp, &shspec, scred, &ssp);
if (error == 0) {
*sspp = ssp;
return 0;
}
if ((dp->ioc_opt & SMBSOPT_CREATE) == 0)
return error;
error = smb_share_create(vcp, &shspec, scred, &ssp);
if (error)
return error;
error = smb_smb_treeconnect(ssp, scred);
if (error) {
smb_share_put(ssp, scred);
} else
*sspp = ssp;
return error;
}
int
smb_usr_simplerequest(struct smb_share *ssp, struct smbioc_rq *dp,
struct smb_cred *scred)
{
struct smb_rq rq, *rqp = &rq;
struct mbchain *mbp;
struct mdchain *mdp;
u_int8_t wc;
u_int16_t bc;
int error;
switch (dp->ioc_cmd) {
case SMB_COM_TRANSACTION2:
case SMB_COM_TRANSACTION2_SECONDARY:
case SMB_COM_CLOSE_AND_TREE_DISC:
case SMB_COM_TREE_CONNECT:
case SMB_COM_TREE_DISCONNECT:
case SMB_COM_NEGOTIATE:
case SMB_COM_SESSION_SETUP_ANDX:
case SMB_COM_LOGOFF_ANDX:
case SMB_COM_TREE_CONNECT_ANDX:
return EPERM;
}
error = smb_rq_init(rqp, SSTOCP(ssp), dp->ioc_cmd, scred);
if (error)
return error;
mbp = &rqp->sr_rq;
smb_rq_wstart(rqp);
error = mb_put_mem(mbp, dp->ioc_twords, dp->ioc_twc * 2, MB_MUSER);
if (error)
goto bad;
smb_rq_wend(rqp);
smb_rq_bstart(rqp);
error = mb_put_mem(mbp, dp->ioc_tbytes, dp->ioc_tbc, MB_MUSER);
if (error)
goto bad;
smb_rq_bend(rqp);
error = smb_rq_simple(rqp);
if (error)
goto bad;
mdp = &rqp->sr_rp;
md_get_uint8(mdp, &wc);
dp->ioc_rwc = wc;
wc *= 2;
if (wc > dp->ioc_rpbufsz) {
error = EBADRPC;
goto bad;
}
error = md_get_mem(mdp, dp->ioc_rpbuf, wc, MB_MUSER);
if (error)
goto bad;
md_get_uint16le(mdp, &bc);
if ((wc + bc) > dp->ioc_rpbufsz) {
error = EBADRPC;
goto bad;
}
dp->ioc_rbc = bc;
error = md_get_mem(mdp, dp->ioc_rpbuf + wc, bc, MB_MUSER);
bad:
dp->ioc_errclass = rqp->sr_errclass;
dp->ioc_serror = rqp->sr_serror;
dp->ioc_error = rqp->sr_error;
smb_rq_done(rqp);
return error;
}
static int
smb_cpdatain(struct mbchain *mbp, int len, caddr_t data)
{
int error;
if (len == 0)
return 0;
error = mb_init(mbp);
if (error)
return error;
return mb_put_mem(mbp, data, len, MB_MUSER);
}
int
smb_usr_t2request(struct smb_share *ssp, struct smbioc_t2rq *dp,
struct smb_cred *scred)
{
struct smb_t2rq t2, *t2p = &t2;
struct mdchain *mdp;
int error, len;
if (dp->ioc_setupcnt > 3)
return EINVAL;
error = smb_t2_init(t2p, SSTOCP(ssp), dp->ioc_setup[0], scred);
if (error)
return error;
len = t2p->t2_setupcount = dp->ioc_setupcnt;
if (len > 1)
t2p->t2_setupdata = dp->ioc_setup;
if (dp->ioc_name) {
t2p->t_name = smb_strdupin(dp->ioc_name, 128);
if (t2p->t_name == NULL) {
error = ENOMEM;
goto bad;
}
}
t2p->t2_maxscount = 0;
t2p->t2_maxpcount = dp->ioc_rparamcnt;
t2p->t2_maxdcount = dp->ioc_rdatacnt;
error = smb_cpdatain(&t2p->t2_tparam, dp->ioc_tparamcnt, dp->ioc_tparam);
if (error)
goto bad;
error = smb_cpdatain(&t2p->t2_tdata, dp->ioc_tdatacnt, dp->ioc_tdata);
if (error)
goto bad;
error = smb_t2_request(t2p);
if (error)
goto bad;
mdp = &t2p->t2_rparam;
if (mdp->md_top) {
len = m_fixhdr(mdp->md_top);
if (len > dp->ioc_rparamcnt) {
error = EMSGSIZE;
goto bad;
}
dp->ioc_rparamcnt = len;
error = md_get_mem(mdp, dp->ioc_rparam, len, MB_MUSER);
if (error)
goto bad;
} else
dp->ioc_rparamcnt = 0;
mdp = &t2p->t2_rdata;
if (mdp->md_top) {
len = m_fixhdr(mdp->md_top);
if (len > dp->ioc_rdatacnt) {
error = EMSGSIZE;
goto bad;
}
dp->ioc_rdatacnt = len;
error = md_get_mem(mdp, dp->ioc_rdata, len, MB_MUSER);
} else
dp->ioc_rdatacnt = 0;
bad:
if (t2p->t_name)
smb_strfree(t2p->t_name);
smb_t2_done(t2p);
return error;
}
