1 /* 2 * Copyright (c) 2000-2001, Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Boris Popov. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 #ifndef _NETSMB_SMB_RQ_H_ 35 #define _NETSMB_SMB_RQ_H_ 36 37 #ifndef MB_MSYSTEM 38 #include <sys/mchain.h> 39 #endif 40 41 #define SMBR_ALLOCED 0x0001 /* structure was malloced */ 42 #define SMBR_SENT 0x0002 /* request successfully transmitted */ 43 #define SMBR_REXMIT 0x0004 /* request should be retransmitted */ 44 #define SMBR_INTR 0x0008 /* request interrupted */ 45 #define SMBR_RESTART 0x0010 /* request should be repeated if possible */ 46 #define SMBR_NORESTART 0x0020 /* request is not restartable */ 47 #define SMBR_MULTIPACKET 0x0040 /* multiple packets can be sent and received */ 48 #define SMBR_INTERNAL 0x0080 /* request is internal to smbrqd */ 49 #define SMBR_XLOCK 0x0100 /* request locked and can't be moved */ 50 #define SMBR_XLOCKWANT 0x0200 /* waiter on XLOCK */ 51 52 #define SMBT2_ALLSENT 0x0001 /* all data and params are sent */ 53 #define SMBT2_ALLRECV 0x0002 /* all data and params are received */ 54 #define SMBT2_ALLOCED 0x0004 55 #define SMBT2_RESTART 0x0008 56 #define SMBT2_NORESTART 0x0010 57 58 #define SMBRQ_SLOCK(rqp) smb_sl_lock(&(rqp)->sr_slock) 59 #define SMBRQ_SUNLOCK(rqp) smb_sl_unlock(&(rqp)->sr_slock) 60 #define SMBRQ_SLOCKPTR(rqp) (&(rqp)->sr_slock) 61 62 63 enum smbrq_state { 64 SMBRQ_NOTSENT, /* rq have data to send */ 65 SMBRQ_SENT, /* send procedure completed */ 66 SMBRQ_REPLYRECEIVED, 67 SMBRQ_NOTIFIED /* owner notified about completion */ 68 }; 69 70 struct smb_vc; 71 struct smb_t2rq; 72 73 struct smb_rq { 74 enum smbrq_state sr_state; 75 struct smb_vc * sr_vc; 76 struct smb_share* sr_share; 77 u_short sr_mid; 78 struct mbchain sr_rq; 79 u_int8_t sr_rqflags; 80 u_int16_t sr_rqflags2; 81 u_char * sr_wcount; 82 u_short * sr_bcount; 83 struct mdchain sr_rp; 84 int sr_rpgen; 85 int sr_rplast; 86 int sr_flags; /* SMBR_* */ 87 int sr_rpsize; 88 struct smb_cred * sr_cred; 89 int sr_timo; 90 int sr_rexmit; 91 int sr_sendcnt; 92 struct timespec sr_timesent; 93 int sr_lerror; 94 u_int16_t * sr_rqtid; 95 u_int16_t * sr_rquid; 96 u_int8_t sr_errclass; 97 u_int16_t sr_serror; 98 u_int32_t sr_error; 99 u_int8_t sr_rpflags; 100 u_int16_t sr_rpflags2; 101 u_int16_t sr_rptid; 102 u_int16_t sr_rppid; 103 u_int16_t sr_rpuid; 104 u_int16_t sr_rpmid; 105 struct smb_slock sr_slock; /* short term locks */ 106 /* struct smb_t2rq*sr_t2;*/ 107 TAILQ_ENTRY(smb_rq) sr_link; 108 }; 109 110 struct smb_t2rq { 111 u_int16_t t2_setupcount; 112 u_int16_t * t2_setupdata; 113 u_int16_t t2_setup[2]; /* most of rqs has setupcount of 1 */ 114 u_int8_t t2_maxscount; /* max setup words to return */ 115 u_int16_t t2_maxpcount; /* max param bytes to return */ 116 u_int16_t t2_maxdcount; /* max data bytes to return */ 117 u_int16_t t2_fid; /* for T2 request */ 118 char * t_name; /* for T request, should be zero for T2 */ 119 int t2_flags; /* SMBT2_ */ 120 struct mbchain t2_tparam; /* parameters to transmit */ 121 struct mbchain t2_tdata; /* data to transmit */ 122 struct mdchain t2_rparam; /* received paramters */ 123 struct mdchain t2_rdata; /* received data */ 124 struct smb_cred*t2_cred; 125 struct smb_connobj *t2_source; 126 struct smb_rq * t2_rq; 127 struct smb_vc * t2_vc; 128 }; 129 130 int smb_rq_alloc(struct smb_connobj *layer, u_char cmd, 131 struct smb_cred *scred, struct smb_rq **rqpp); 132 int smb_rq_init(struct smb_rq *rqp, struct smb_connobj *layer, u_char cmd, 133 struct smb_cred *scred); 134 void smb_rq_done(struct smb_rq *rqp); 135 int smb_rq_getrequest(struct smb_rq *rqp, struct mbchain **mbpp); 136 int smb_rq_getreply(struct smb_rq *rqp, struct mdchain **mbpp); 137 void smb_rq_wstart(struct smb_rq *rqp); 138 void smb_rq_wend(struct smb_rq *rqp); 139 void smb_rq_bstart(struct smb_rq *rqp); 140 void smb_rq_bend(struct smb_rq *rqp); 141 int smb_rq_intr(struct smb_rq *rqp); 142 int smb_rq_simple(struct smb_rq *rqp); 143 144 int smb_t2_alloc(struct smb_connobj *layer, u_short setup, struct smb_cred *scred, 145 struct smb_t2rq **rqpp); 146 int smb_t2_init(struct smb_t2rq *rqp, struct smb_connobj *layer, u_short setup, 147 struct smb_cred *scred); 148 void smb_t2_done(struct smb_t2rq *t2p); 149 int smb_t2_request(struct smb_t2rq *t2p); 150 151 #endif /* !_NETSMB_SMB_RQ_H_ */ 152