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| Current File : //compat/linux/proc/self/root/usr/include/netsmb/smb_conn.h |
/*-
* 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.
*
* $FreeBSD: release/9.1.0/sys/netsmb/smb_conn.h 230196 2012-01-16 05:15:13Z kevlo $
*/
/*
* Two levels of connection hierarchy
*/
#define SMBL_SM 0
#define SMBL_VC 1
#define SMBL_SHARE 2
#define SMBL_NUM 3
#define SMBL_NONE (-1)
#define SMB_CS_NONE 0x0000
#define SMB_CS_UPPER 0x0001 /* convert passed string to upper case */
#define SMB_CS_LOWER 0x0002 /* convert passed string to lower case */
/*
* Common object flags
*/
#define SMBO_GONE 0x1000000
/*
* access modes
*/
#define SMBM_READ 0400 /* read conn attrs.(like list shares) */
#define SMBM_WRITE 0200 /* modify conn attrs */
#define SMBM_EXEC 0100 /* can send SMB requests */
#define SMBM_READGRP 0040
#define SMBM_WRITEGRP 0020
#define SMBM_EXECGRP 0010
#define SMBM_READOTH 0004
#define SMBM_WRITEOTH 0002
#define SMBM_EXECOTH 0001
#define SMBM_MASK 0777
#define SMBM_EXACT 010000 /* check for specified mode exactly */
#define SMBM_ALL (SMBM_READ | SMBM_WRITE | SMBM_EXEC)
#define SMBM_DEFAULT (SMBM_READ | SMBM_WRITE | SMBM_EXEC)
#define SMBM_ANY_OWNER ((uid_t)-1)
#define SMBM_ANY_GROUP ((gid_t)-1)
/*
* VC flags
*/
#define SMBV_PERMANENT 0x0002
#define SMBV_LONGNAMES 0x0004 /* connection is configured to use long names */
#define SMBV_ENCRYPT 0x0008 /* server asked for encrypted password */
#define SMBV_WIN95 0x0010 /* used to apply bugfixes for this OS */
#define SMBV_PRIVATE 0x0020 /* connection can be used only by creator */
#define SMBV_RECONNECTING 0x0040 /* conn is in the process of reconnection */
#define SMBV_SINGLESHARE 0x0080 /* only one share connecting should be allowed */
#define SMBV_CREATE 0x0100 /* lookup for create operation */
/*#define SMBV_FAILED 0x0200*/ /* last reconnect attempt has failed */
#define SMBV_UNICODE 0x0400 /* connection is configured to use Unicode */
/*
* smb_share flags
*/
#define SMBS_PERMANENT 0x0001
#define SMBS_RECONNECTING 0x0002
#define SMBS_CONNECTED 0x0004
/*
* share types
*/
#define SMB_ST_DISK 0x0 /* A: */
#define SMB_ST_PRINTER 0x1 /* LPT: */
#define SMB_ST_PIPE 0x2 /* IPC */
#define SMB_ST_COMM 0x3 /* COMM */
#define SMB_ST_ANY 0x4
#define SMB_ST_MAX 0x4
#define SMB_ST_NONE 0xff /* not a part of protocol */
/*
* Negotiated protocol parameters
*/
struct smb_sopt {
int sv_proto;
int16_t sv_tz; /* offset in min relative to UTC */
u_int32_t sv_maxtx; /* maximum transmit buf size */
u_char sv_sm; /* security mode */
u_int16_t sv_maxmux; /* max number of outstanding rq's */
u_int16_t sv_maxvcs; /* max number of VCs */
u_int16_t sv_rawmode;
u_int32_t sv_maxraw; /* maximum raw-buffer size */
u_int32_t sv_skey; /* session key */
u_int32_t sv_caps; /* capabilities SMB_CAP_ */
};
/*
* network IO daemon states
*/
enum smbiod_state {
SMBIOD_ST_NOTCONN, /* no connect request was made */
SMBIOD_ST_RECONNECT, /* a [re]connect attempt is in progress */
SMBIOD_ST_TRANACTIVE, /* transport level is up */
SMBIOD_ST_VCACTIVE, /* session established */
SMBIOD_ST_DEAD /* connection broken, transport is down */
};
/*
* Info structures
*/
#define SMB_INFO_NONE 0
#define SMB_INFO_VC 2
#define SMB_INFO_SHARE 3
struct smb_vc_info {
int itype;
int usecount;
uid_t uid; /* user id of connection */
gid_t gid; /* group of connection */
mode_t mode; /* access mode */
int flags;
enum smbiod_state iodstate;
struct smb_sopt sopt;
char srvname[SMB_MAXSRVNAMELEN + 1];
char vcname[128];
};
struct smb_share_info {
int itype;
int usecount;
u_short tid; /* TID */
int type; /* share type */
uid_t uid; /* user id of connection */
gid_t gid; /* group of connection */
mode_t mode; /* access mode */
int flags;
char sname[128];
};
#ifdef _KERNEL
#include <sys/lock.h>
#include <sys/lockmgr.h>
#include <netsmb/smb_subr.h>
#define CONNADDREQ(a1,a2) ((a1)->sa_len == (a2)->sa_len && \
bcmp(a1, a2, (a1)->sa_len) == 0)
struct smb_vc;
struct smb_share;
struct smb_cred;
struct smb_rq;
struct mbdata;
struct smbioc_oshare;
struct smbioc_ossn;
struct uio;
TAILQ_HEAD(smb_rqhead, smb_rq);
#define SMB_DEFRQTIMO 5
#define SMB_DIALECT(vcp) ((vcp)->vc_sopt.sv_proto)
struct smb_tran_desc;
/*
* Connection object
*/
struct smb_connobj;
typedef void smb_co_gone_t (struct smb_connobj *cp, struct smb_cred *scred);
typedef void smb_co_free_t (struct smb_connobj *cp);
#define SMB_CO_LOCK(cp) smb_sl_lock(&(cp)->co_interlock)
#define SMB_CO_UNLOCK(cp) smb_sl_unlock(&(cp)->co_interlock)
struct smb_connobj {
int co_level; /* SMBL_ */
int co_flags;
struct lock co_lock;
struct smb_slock co_interlock;
int co_usecount;
struct smb_connobj * co_parent;
SLIST_HEAD(,smb_connobj)co_children;
SLIST_ENTRY(smb_connobj)co_next;
smb_co_gone_t * co_gone;
smb_co_free_t * co_free;
};
#define SMBCO_FOREACH(var, cp) SLIST_FOREACH((var), &(cp)->co_children, co_next)
/*
* Virtual Circuit (session) to a server.
* This is the most (over)complicated part of SMB protocol.
* For the user security level (usl), each session with different remote
* user name has its own VC.
* It is unclear however, should share security level (ssl) allow additional
* VCs, because user name is not used and can be the same. On other hand,
* multiple VCs allows us to create separate sessions to server on a per
* user basis.
*/
/*
* This lock protects vc_flags
*/
#define SMBC_ST_LOCK(vcp) smb_sl_lock(&(vcp)->vc_stlock)
#define SMBC_ST_UNLOCK(vcp) smb_sl_unlock(&(vcp)->vc_stlock)
struct smb_vc {
struct smb_connobj obj;
char * vc_srvname;
struct sockaddr*vc_paddr; /* server addr */
struct sockaddr*vc_laddr; /* local addr, if any */
char * vc_username;
char * vc_pass; /* password for usl case */
char * vc_domain; /* workgroup/primary domain */
u_int vc_timo; /* default request timeout */
int vc_maxvcs; /* maximum number of VC per connection */
void * vc_tolower; /* local charset */
void * vc_toupper; /* local charset */
void * vc_toserver; /* local charset to server one */
void * vc_tolocal; /* server charset to local one */
void * vc_cp_toserver; /* local charset to server one (using CodePage) */
void * vc_cp_tolocal; /* server charset to local one (using CodePage) */
void * vc_ucs_toserver; /* local charset to server one (using UCS-2) */
void * vc_ucs_tolocal; /* server charset to local one (using UCS-2) */
int vc_number; /* number of this VC from the client side */
int vc_genid;
uid_t vc_uid; /* user id of connection */
gid_t vc_grp; /* group of connection */
mode_t vc_mode; /* access mode */
u_short vc_smbuid; /* unique vc id assigned by server */
u_char vc_hflags; /* or'ed with flags in the smb header */
u_short vc_hflags2; /* or'ed with flags in the smb header */
void * vc_tdata; /* transport control block */
struct smb_tran_desc *vc_tdesc;
int vc_chlen; /* actual challenge length */
u_char vc_ch[SMB_MAXCHALLENGELEN];
u_short vc_mid; /* multiplex id */
struct smb_sopt vc_sopt; /* server options */
int vc_txmax; /* max tx/rx packet size */
int vc_rxmax; /* max readx data size */
int vc_wxmax; /* max writex data size */
struct smbiod * vc_iod;
struct smb_slock vc_stlock;
u_int32_t vc_seqno; /* my next sequence number */
u_int8_t *vc_mackey; /* MAC key */
int vc_mackeylen; /* length of MAC key */
};
#define vc_maxmux vc_sopt.sv_maxmux
#define vc_flags obj.co_flags
#define SMB_UNICODE_STRINGS(vcp) ((vcp)->vc_hflags2 & SMB_FLAGS2_UNICODE)
#define SMB_UNICODE_NAME "UCS-2LE"
/*
* smb_share structure describes connection to the given SMB share (tree).
* Connection to share is always built on top of the VC.
*/
/*
* This lock protects ss_flags
*/
#define SMBS_ST_LOCK(ssp) smb_sl_lock(&(ssp)->ss_stlock)
#define SMBS_ST_LOCKPTR(ssp) (&(ssp)->ss_stlock)
#define SMBS_ST_UNLOCK(ssp) smb_sl_unlock(&(ssp)->ss_stlock)
struct smb_share {
struct smb_connobj obj;
char * ss_name;
u_short ss_tid; /* TID */
int ss_type; /* share type */
uid_t ss_uid; /* user id of connection */
gid_t ss_grp; /* group of connection */
mode_t ss_mode; /* access mode */
int ss_vcgenid;
char * ss_pass; /* password to a share, can be null */
struct smb_slock ss_stlock;
};
#define ss_flags obj.co_flags
#define CPTOVC(cp) ((struct smb_vc*)(cp))
#define VCTOCP(vcp) (&(vcp)->obj)
#define CPTOSS(cp) ((struct smb_share*)(cp))
#define SSTOVC(ssp) CPTOVC(((ssp)->obj.co_parent))
#define SSTOCP(ssp) (&(ssp)->obj)
struct smb_vcspec {
char * srvname;
struct sockaddr*sap;
struct sockaddr*lap;
int flags;
char * username;
char * pass;
char * domain;
mode_t mode;
mode_t rights;
uid_t owner;
gid_t group;
char * localcs;
char * servercs;
struct smb_sharespec *shspec;
struct smb_share *ssp; /* returned */
/*
* The rest is an internal data
*/
struct smb_cred *scred;
};
struct smb_sharespec {
char * name;
char * pass;
mode_t mode;
mode_t rights;
uid_t owner;
gid_t group;
int stype;
/*
* The rest is an internal data
*/
struct smb_cred *scred;
};
/*
* Session level functions
*/
int smb_sm_init(void);
int smb_sm_done(void);
int smb_sm_lookup(struct smb_vcspec *vcspec,
struct smb_sharespec *shspec, struct smb_cred *scred,
struct smb_vc **vcpp);
/*
* Connection object
*/
void smb_co_ref(struct smb_connobj *cp);
void smb_co_rele(struct smb_connobj *cp, struct smb_cred *scred);
int smb_co_get(struct smb_connobj *cp, int flags, struct smb_cred *scred);
void smb_co_put(struct smb_connobj *cp, struct smb_cred *scred);
int smb_co_lock(struct smb_connobj *cp, int flags);
void smb_co_unlock(struct smb_connobj *cp, int flags);
/*
* session level functions
*/
int smb_vc_create(struct smb_vcspec *vcspec,
struct smb_cred *scred, struct smb_vc **vcpp);
int smb_vc_connect(struct smb_vc *vcp, struct smb_cred *scred);
int smb_vc_access(struct smb_vc *vcp, struct smb_cred *scred, mode_t mode);
int smb_vc_get(struct smb_vc *vcp, int flags, struct smb_cred *scred);
void smb_vc_put(struct smb_vc *vcp, struct smb_cred *scred);
void smb_vc_ref(struct smb_vc *vcp);
void smb_vc_rele(struct smb_vc *vcp, struct smb_cred *scred);
int smb_vc_lock(struct smb_vc *vcp, int flags);
void smb_vc_unlock(struct smb_vc *vcp, int flags);
int smb_vc_lookupshare(struct smb_vc *vcp, struct smb_sharespec *shspec,
struct smb_cred *scred, struct smb_share **sspp);
const char * smb_vc_getpass(struct smb_vc *vcp);
u_short smb_vc_nextmid(struct smb_vc *vcp);
/*
* share level functions
*/
int smb_share_create(struct smb_vc *vcp, struct smb_sharespec *shspec,
struct smb_cred *scred, struct smb_share **sspp);
int smb_share_access(struct smb_share *ssp, struct smb_cred *scred, mode_t mode);
void smb_share_ref(struct smb_share *ssp);
void smb_share_rele(struct smb_share *ssp, struct smb_cred *scred);
int smb_share_get(struct smb_share *ssp, int flags, struct smb_cred *scred);
void smb_share_put(struct smb_share *ssp, struct smb_cred *scred);
int smb_share_lock(struct smb_share *ssp, int flags);
void smb_share_unlock(struct smb_share *ssp, int flags);
void smb_share_invalidate(struct smb_share *ssp);
int smb_share_valid(struct smb_share *ssp);
const char * smb_share_getpass(struct smb_share *ssp);
/*
* SMB protocol level functions
*/
int smb_smb_negotiate(struct smb_vc *vcp, struct smb_cred *scred);
int smb_smb_ssnsetup(struct smb_vc *vcp, struct smb_cred *scred);
int smb_smb_ssnclose(struct smb_vc *vcp, struct smb_cred *scred);
int smb_smb_treeconnect(struct smb_share *ssp, struct smb_cred *scred);
int smb_smb_treedisconnect(struct smb_share *ssp, struct smb_cred *scred);
int smb_read(struct smb_share *ssp, u_int16_t fid, struct uio *uio,
struct smb_cred *scred);
int smb_write(struct smb_share *ssp, u_int16_t fid, struct uio *uio,
struct smb_cred *scred);
int smb_smb_echo(struct smb_vc *vcp, struct smb_cred *scred);
/*
* smbiod thread
*/
#define SMBIOD_EV_NEWRQ 0x0001
#define SMBIOD_EV_SHUTDOWN 0x0002
#define SMBIOD_EV_CONNECT 0x0003
#define SMBIOD_EV_DISCONNECT 0x0004
#define SMBIOD_EV_TREECONNECT 0x0005
#define SMBIOD_EV_MASK 0x00ff
#define SMBIOD_EV_SYNC 0x0100
#define SMBIOD_EV_PROCESSING 0x0200
struct smbiod_event {
int ev_type;
int ev_error;
void * ev_ident;
STAILQ_ENTRY(smbiod_event) ev_link;
};
#define SMBIOD_SHUTDOWN 0x0001
struct smbiod {
int iod_id;
int iod_flags;
enum smbiod_state iod_state;
int iod_muxcnt; /* number of active outstanding requests */
int iod_sleeptimo;
struct smb_vc * iod_vc;
struct smb_slock iod_rqlock; /* iod_rqlist, iod_muxwant */
struct smb_rqhead iod_rqlist; /* list of outstanding requests */
int iod_muxwant;
struct proc * iod_p;
struct thread * iod_td;
struct smb_cred iod_scred;
struct smb_slock iod_evlock; /* iod_evlist */
STAILQ_HEAD(,smbiod_event) iod_evlist;
struct timespec iod_lastrqsent;
struct timespec iod_pingtimo;
};
int smb_iod_init(void);
int smb_iod_done(void);
int smb_iod_create(struct smb_vc *vcp);
int smb_iod_destroy(struct smbiod *iod);
int smb_iod_request(struct smbiod *iod, int event, void *ident);
int smb_iod_addrq(struct smb_rq *rqp);
int smb_iod_waitrq(struct smb_rq *rqp);
int smb_iod_removerq(struct smb_rq *rqp);
#endif /* _KERNEL */