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 #define SMBT2_SECONDARY 0x0020 /* secondary request */ 58 59 #define SMBRQ_SLOCK(rqp) smb_sl_lock(&(rqp)->sr_slock) 60 #define SMBRQ_SUNLOCK(rqp) smb_sl_unlock(&(rqp)->sr_slock) 61 #define SMBRQ_SLOCKPTR(rqp) (&(rqp)->sr_slock) 62 63 64 enum smbrq_state { 65 SMBRQ_NOTSENT, /* rq have data to send */ 66 SMBRQ_SENT, /* send procedure completed */ 67 SMBRQ_REPLYRECEIVED, 68 SMBRQ_NOTIFIED /* owner notified about completion */ 69 }; 70 71 struct smb_vc; 72 struct smb_t2rq; 73 74 struct smb_rq { 75 enum smbrq_state sr_state; 76 struct smb_vc * sr_vc; 77 struct smb_share* sr_share; 78 u_short sr_mid; 79 u_int32_t sr_seqno; 80 u_int32_t sr_rseqno; 81 struct mbchain sr_rq; 82 u_int8_t sr_rqflags; 83 u_int16_t sr_rqflags2; 84 u_char * sr_wcount; 85 void * sr_bcount; /* Points to 2-byte buffer. */ 86 struct mdchain sr_rp; 87 int sr_rpgen; 88 int sr_rplast; 89 int sr_flags; /* SMBR_* */ 90 int sr_rpsize; 91 struct smb_cred * sr_cred; 92 int sr_timo; 93 int sr_rexmit; 94 int sr_sendcnt; 95 struct timespec sr_timesent; 96 int sr_lerror; 97 u_int8_t * sr_rqsig; 98 void * sr_rqtid; /* Points to 2-byte buffer. */ 99 void * sr_rquid; /* Points to 2-byte buffer. */ 100 u_int8_t sr_errclass; 101 u_int16_t sr_serror; 102 u_int32_t sr_error; 103 u_int8_t sr_rpflags; 104 u_int16_t sr_rpflags2; 105 u_int16_t sr_rptid; 106 u_int16_t sr_rppid; 107 u_int16_t sr_rpuid; 108 u_int16_t sr_rpmid; 109 struct smb_slock sr_slock; /* short term locks */ 110 struct smb_t2rq * sr_t2; 111 TAILQ_ENTRY(smb_rq) sr_link; 112 }; 113 114 struct smb_t2rq { 115 u_int16_t t2_setupcount; 116 u_int16_t * t2_setupdata; 117 u_int16_t t2_setup[2]; /* most of rqs has setupcount of 1 */ 118 u_int8_t t2_maxscount; /* max setup words to return */ 119 u_int16_t t2_maxpcount; /* max param bytes to return */ 120 u_int16_t t2_maxdcount; /* max data bytes to return */ 121 u_int16_t t2_fid; /* for T2 request */ 122 char * t_name; /* for T request, should be zero for T2 */ 123 int t2_flags; /* SMBT2_ */ 124 struct mbchain t2_tparam; /* parameters to transmit */ 125 struct mbchain t2_tdata; /* data to transmit */ 126 struct mdchain t2_rparam; /* received parameters */ 127 struct mdchain t2_rdata; /* received data */ 128 struct smb_cred*t2_cred; 129 struct smb_connobj *t2_source; 130 struct smb_rq * t2_rq; 131 struct smb_vc * t2_vc; 132 }; 133 134 int smb_rq_alloc(struct smb_connobj *layer, u_char cmd, 135 struct smb_cred *scred, struct smb_rq **rqpp); 136 int smb_rq_init(struct smb_rq *rqp, struct smb_connobj *layer, u_char cmd, 137 struct smb_cred *scred); 138 void smb_rq_done(struct smb_rq *rqp); 139 int smb_rq_getrequest(struct smb_rq *rqp, struct mbchain **mbpp); 140 int smb_rq_getreply(struct smb_rq *rqp, struct mdchain **mbpp); 141 void smb_rq_wstart(struct smb_rq *rqp); 142 void smb_rq_wend(struct smb_rq *rqp); 143 void smb_rq_bstart(struct smb_rq *rqp); 144 void smb_rq_bend(struct smb_rq *rqp); 145 int smb_rq_intr(struct smb_rq *rqp); 146 int smb_rq_simple(struct smb_rq *rqp); 147 148 int smb_t2_alloc(struct smb_connobj *layer, u_short setup, struct smb_cred *scred, 149 struct smb_t2rq **rqpp); 150 int smb_t2_init(struct smb_t2rq *rqp, struct smb_connobj *layer, u_short setup, 151 struct smb_cred *scred); 152 void smb_t2_done(struct smb_t2rq *t2p); 153 int smb_t2_request(struct smb_t2rq *t2p); 154 155 #endif /* !_NETSMB_SMB_RQ_H_ */ 156