235 lines
8.3 KiB
C
235 lines
8.3 KiB
C
/*-
|
|
* Copyright (c) 1999, 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Boris Popov.
|
|
* 4. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#ifndef _NETNCP_NCP_CONN_H_
|
|
#define _NETNCP_NCP_CONN_H_
|
|
|
|
#ifndef _NETINET_IN_H_
|
|
#include <netinet/in.h>
|
|
#endif
|
|
|
|
#ifndef _NETIPX_IPX_H_
|
|
#include <netipx/ipx.h>
|
|
#endif
|
|
|
|
#ifndef _SYS_SOCKET_H_
|
|
#include <sys/socket.h>
|
|
#endif
|
|
|
|
/* type of transport we use */
|
|
/*#define NCP_ON_IPX 0
|
|
#define NCP_ON_TCP 1*/
|
|
|
|
/* flags field in conn structure */
|
|
#define NCPFL_SOCONN 0x0001 /* socket layer is up */
|
|
#define NCPFL_ATTACHED 0x0002 /* ncp layer is up */
|
|
#define NCPFL_LOGGED 0x0004 /* logged in to server */
|
|
#define NCPFL_INVALID 0x0008 /* last request was not completed */
|
|
#define NCPFL_INTR 0x0010 /* interrupted call */
|
|
#define NCPFL_RESTORING 0x0020 /* trying to reconnect */
|
|
#define NCPFL_PERMANENT 0x0040 /* no way to kill conn, when this set */
|
|
#define NCPFL_PRIMARY 0x0080 /* have meaning only for owner */
|
|
#define NCPFL_WASATTACHED 0x0100 /* there was at least one successfull connect */
|
|
#define NCPFL_WASLOGGED 0x0200 /* there was at least one successfull login */
|
|
#define NCPFL_SIGNACTIVE 0x1000 /* packet signing active */
|
|
#define NCPFL_SIGNWANTED 0x2000 /* signing should start */
|
|
|
|
/* access mode for connection */
|
|
#define NCPM_READ 0400 /* able to fetch conn params */
|
|
#define NCPM_WRITE 0200 /* modify/close */
|
|
#define NCPM_EXECUTE 0100 /* run requests */
|
|
|
|
#define NCP_DEFAULT_OWNER ((uid_t)-1)
|
|
#define NCP_DEFAULT_GROUP ((uid_t)-1)
|
|
|
|
|
|
/* args used to create connection */
|
|
#define ncp_conn_loginfo ncp_conn_args
|
|
struct ncp_conn_args {
|
|
int opt;
|
|
#define NCP_OPT_WDOG 1 /* need watch dog socket */
|
|
#define NCP_OPT_MSG 2 /* need message socket */
|
|
#define NCP_OPT_SIGN 4 /* signatures wanted */
|
|
#define NCP_OPT_BIND 8 /* force bindery login */
|
|
#define NCP_OPT_PERMANENT 0x10 /* only for refernce, completly ignored */
|
|
#define NCP_OPT_NOUPCASEPASS 0x20 /* leave password as is */
|
|
int sig_level; /* wanted signature level */
|
|
char server[NCP_BINDERY_NAME_LEN+1];
|
|
char *user;
|
|
char *password;
|
|
u_int32_t objtype;
|
|
union {
|
|
struct sockaddr addr;
|
|
struct sockaddr_ipx ipxaddr;
|
|
struct sockaddr_in inaddr;
|
|
} addr;
|
|
int timeout; /* ncp rq timeout */
|
|
int retry_count; /* counts to give an error */
|
|
uid_t owner; /* proposed owner of connection */
|
|
gid_t group; /* proposed group of connection */
|
|
mode_t access_mode; /* R/W - can do rq's, X - can see the conn */
|
|
};
|
|
|
|
#define ipxaddr addr.ipxaddr
|
|
#define inaddr addr.inaddr
|
|
#define saddr addr.addr
|
|
|
|
/* user side structure to issue ncp calls */
|
|
struct ncp_buf {
|
|
int rqsize; /* request size without ncp header */
|
|
int rpsize; /* reply size minus ncp header */
|
|
int cc; /* completion code */
|
|
int cs; /* connection state */
|
|
char packet[NCP_MAX_PACKET_SIZE];/* Here we prepare requests and receive replies */
|
|
};
|
|
|
|
/*
|
|
* Connection status, returned via sysctl(vfs.nwfs.connstat)
|
|
*/
|
|
struct ncp_conn_stat {
|
|
struct ncp_conn_args li;
|
|
int connRef;
|
|
int ref_cnt;
|
|
int connid;
|
|
int buffer_size;
|
|
int flags;
|
|
int sign_active;
|
|
uid_t owner;
|
|
gid_t group;
|
|
char user[NCP_MAXUSERNAMELEN+1];
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#ifndef LK_SHARED
|
|
#include <sys/lockmgr.h>
|
|
#endif
|
|
|
|
struct socket;
|
|
struct u_cred;
|
|
|
|
SLIST_HEAD(ncp_conn_head,ncp_conn);
|
|
|
|
struct ncp_rq;
|
|
struct ncp_conn;
|
|
|
|
/*
|
|
* External and internal processes can reference connection only by handle.
|
|
* This gives us a freedom in maintance of underlying connections.
|
|
*/
|
|
struct ncp_handle {
|
|
SLIST_ENTRY(ncp_handle) nh_next;
|
|
int nh_id; /* handle id */
|
|
struct ncp_conn*nh_conn; /* which conn we are refernce */
|
|
struct thread * nh_td; /* who owns the handle */
|
|
int nh_ref; /* one process can asquire many handles, but we return the one */
|
|
};
|
|
|
|
/*
|
|
* Describes any connection to server
|
|
*/
|
|
struct ncp_conn {
|
|
SLIST_ENTRY(ncp_conn) nc_next;
|
|
struct ncp_conn_args li;
|
|
struct ucred *nc_owner;
|
|
gid_t nc_group;
|
|
int flags;
|
|
int nc_id;
|
|
struct socket *ncp_so;
|
|
struct socket *wdg_so;
|
|
struct socket *msg_so;
|
|
struct socket *bc_so;
|
|
int ref_cnt; /* how many handles leased */
|
|
SLIST_HEAD(ncp_ref_hd,ncp_ref) ref_list;/* list of handles */
|
|
struct lock nc_lock; /* excl locks */
|
|
int nc_lwant; /* number of wanted locks */
|
|
struct thread *td; /* pid currently operates */
|
|
struct ucred *ucred; /* usr currently operates */
|
|
/* Fields used to process ncp requests */
|
|
int connid; /* assigned by server */
|
|
u_int8_t seq;
|
|
int buffer_size; /* Negotiated bufsize */
|
|
/* Fields used to make packet signatures */
|
|
u_int32_t sign_root[2];
|
|
u_int32_t sign_state[4]; /* md4 state */
|
|
#ifdef NCPBURST
|
|
/* Fields used for packet bursting */
|
|
u_long bc_pktseq; /* raw packet sequence */
|
|
u_short bc_seq; /* burst sequence */
|
|
u_long bc_locid; /* local connection id */
|
|
u_long bc_remid; /* remote connection id */
|
|
u_long bc_pktsize; /* negotiated burst packet size */
|
|
#endif
|
|
};
|
|
|
|
int ncp_conn_init(void);
|
|
int ncp_conn_destroy(void);
|
|
int ncp_conn_alloc(struct ncp_conn_args *cap,
|
|
struct thread *td, struct ucred *cred, struct ncp_conn **connid);
|
|
int ncp_conn_free(struct ncp_conn *conn);
|
|
int ncp_conn_access(struct ncp_conn *conn,struct ucred *cred,mode_t mode);
|
|
int ncp_conn_lock(struct ncp_conn *conn,struct thread *td, struct ucred *cred,int mode);
|
|
void ncp_conn_unlock(struct ncp_conn *conn,struct thread *td);
|
|
int ncp_conn_assert_locked(struct ncp_conn *conn,const char *checker,struct thread *td);
|
|
void ncp_conn_invalidate(struct ncp_conn *ncp);
|
|
int ncp_conn_invalid(struct ncp_conn *ncp);
|
|
/*int ncp_conn_ref(struct ncp_conn *conn, pid_t pid);
|
|
int ncp_conn_rm_ref(struct ncp_conn *conn, pid_t pid, int force);
|
|
void ncp_conn_list_rm_ref(pid_t pid);*/
|
|
int ncp_conn_getbyref(int connRef,struct thread *td, struct ucred *cred, int mode,
|
|
struct ncp_conn **connpp);
|
|
int ncp_conn_getbyli(struct ncp_conn_loginfo *li,struct thread *td, struct ucred *cred,
|
|
int mode, struct ncp_conn **connpp);
|
|
int ncp_conn_setprimary(struct ncp_conn *conn, int on);
|
|
int ncp_conn_locklist(int flags, struct thread *td);
|
|
void ncp_conn_unlocklist(struct thread *td);
|
|
int ncp_conn_gethandle(struct ncp_conn *conn, struct thread *td, struct ncp_handle **handle);
|
|
int ncp_conn_puthandle(struct ncp_handle *handle, struct thread *td, int force);
|
|
int ncp_conn_findhandle(int connHandle, struct thread *td, struct ncp_handle **handle);
|
|
int ncp_conn_getattached(struct ncp_conn_args *li,struct thread *td, struct ucred *cred,int mode, struct ncp_conn **connpp);
|
|
int ncp_conn_putprochandles(struct thread *td);
|
|
int ncp_conn_getinfo(struct ncp_conn *ncp, struct ncp_conn_stat *ncs);
|
|
|
|
int ncp_conn_reconnect(struct ncp_conn *ncp);
|
|
int ncp_conn_login(struct ncp_conn *conn, struct thread *td, struct ucred *cred);
|
|
|
|
extern struct ncp_conn_head conn_list;
|
|
extern int ncp_burst_enabled;
|
|
|
|
#ifdef MALLOC_DECLARE
|
|
MALLOC_DECLARE(M_NCPDATA);
|
|
#endif
|
|
|
|
#endif /* _KERNEL */
|
|
#endif /* _NCP_CONN_H_ */
|