/* * 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. * 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: src/sys/fs/smbfs/smbfs_smb.c,v 1.1.2.2 2003/01/17 08:20:26 tjr Exp $ * $DragonFly: src/sys/vfs/smbfs/smbfs_smb.c,v 1.7 2005/02/17 14:00:10 joerg Exp $ */ #include #include #include #include #include #include #include #include #include #ifdef USE_MD5_HASH #include #endif #include #include #include #include #include "smbfs.h" #include "smbfs_node.h" #include "smbfs_subr.h" /* * Lack of inode numbers leads us to the problem of generating them. * Partially this problem can be solved by having a dir/file cache * with inode numbers generated from the incremented by one counter. * However this way will require too much kernel memory, gives all * sorts of locking and consistency problems, not to mentinon counter overflows. * So, I'm decided to use a hash function to generate pseudo random (and unique) * inode numbers. */ static long smbfs_getino(struct smbnode *dnp, const char *name, int nmlen) { #ifdef USE_MD5_HASH MD5_CTX md5; u_int32_t state[4]; long ino; int i; MD5Init(&md5); MD5Update(&md5, name, nmlen); MD5Final((u_char *)state, &md5); for (i = 0, ino = 0; i < 4; i++) ino += state[i]; return dnp->n_ino + ino; #endif u_int32_t ino; ino = dnp->n_ino + smbfs_hash(name, nmlen); if (ino <= 2) ino += 3; return ino; } static int smbfs_smb_lockandx(struct smbnode *np, int op, u_int32_t pid, off_t start, off_t end, struct smb_cred *scred) { struct smb_share *ssp = np->n_mount->sm_share; struct smb_rq rq, *rqp = &rq; struct mbchain *mbp; u_char ltype = 0; int error; if (op == SMB_LOCK_SHARED) ltype |= SMB_LOCKING_ANDX_SHARED_LOCK; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_LOCKING_ANDX, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_uint8(mbp, 0xff); /* secondary command */ mb_put_uint8(mbp, 0); /* MBZ */ mb_put_uint16le(mbp, 0); mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM); mb_put_uint8(mbp, ltype); /* locktype */ mb_put_uint8(mbp, 0); /* oplocklevel - 0 seems is NO_OPLOCK */ mb_put_uint32le(mbp, 0); /* timeout - break immediately */ mb_put_uint16le(mbp, op == SMB_LOCK_RELEASE ? 1 : 0); mb_put_uint16le(mbp, op == SMB_LOCK_RELEASE ? 0 : 1); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint16le(mbp, pid); mb_put_uint32le(mbp, start); mb_put_uint32le(mbp, end - start); smb_rq_bend(rqp); error = smb_rq_simple(rqp); smb_rq_done(rqp); return error; } int smbfs_smb_lock(struct smbnode *np, int op, caddr_t id, off_t start, off_t end, struct smb_cred *scred) { struct smb_share *ssp = np->n_mount->sm_share; if (SMB_DIALECT(SSTOVC(ssp)) < SMB_DIALECT_LANMAN1_0) /* * TODO: use LOCK_BYTE_RANGE here. */ return EINVAL; else return smbfs_smb_lockandx(np, op, (u_int32_t)id, start, end, scred); } int smbfs_smb_statfs2(struct smb_share *ssp, struct statfs *sbp, struct smb_cred *scred) { struct smb_t2rq *t2p; struct mbchain *mbp; struct mdchain *mdp; u_int16_t bsize; u_int32_t units, bpu, funits; int error; error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_QUERY_FS_INFORMATION, scred, &t2p); if (error) return error; mbp = &t2p->t2_tparam; mb_init(mbp); mb_put_uint16le(mbp, SMB_INFO_ALLOCATION); t2p->t2_maxpcount = 4; t2p->t2_maxdcount = 4 * 4 + 2; error = smb_t2_request(t2p); if (error) { smb_t2_done(t2p); return error; } mdp = &t2p->t2_rdata; md_get_uint32(mdp, NULL); /* fs id */ md_get_uint32le(mdp, &bpu); md_get_uint32le(mdp, &units); md_get_uint32le(mdp, &funits); md_get_uint16le(mdp, &bsize); sbp->f_bsize = bpu * bsize; /* fundamental file system block size */ sbp->f_blocks= units; /* total data blocks in file system */ sbp->f_bfree = funits; /* free blocks in fs */ sbp->f_bavail= funits; /* free blocks avail to non-superuser */ sbp->f_files = 0xffff; /* total file nodes in file system */ sbp->f_ffree = 0xffff; /* free file nodes in fs */ smb_t2_done(t2p); return 0; } int smbfs_smb_statfs(struct smb_share *ssp, struct statfs *sbp, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct mdchain *mdp; u_int16_t units, bpu, bsize, funits; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_QUERY_INFORMATION_DISK, scred); if (error) return error; smb_rq_wstart(rqp); smb_rq_wend(rqp); smb_rq_bstart(rqp); smb_rq_bend(rqp); error = smb_rq_simple(rqp); if (error) { smb_rq_done(rqp); return error; } smb_rq_getreply(rqp, &mdp); md_get_uint16le(mdp, &units); md_get_uint16le(mdp, &bpu); md_get_uint16le(mdp, &bsize); md_get_uint16le(mdp, &funits); sbp->f_bsize = bpu * bsize; /* fundamental file system block size */ sbp->f_blocks= units; /* total data blocks in file system */ sbp->f_bfree = funits; /* free blocks in fs */ sbp->f_bavail= funits; /* free blocks avail to non-superuser */ sbp->f_files = 0xffff; /* total file nodes in file system */ sbp->f_ffree = 0xffff; /* free file nodes in fs */ smb_rq_done(rqp); return 0; } int smbfs_smb_setfsize(struct smbnode *np, int newsize, struct smb_cred *scred) { struct smb_share *ssp = np->n_mount->sm_share; struct smb_rq rq, *rqp = &rq; struct mbchain *mbp; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_WRITE, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM); mb_put_uint16le(mbp, 0); mb_put_uint32le(mbp, newsize); mb_put_uint16le(mbp, 0); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_DATA); mb_put_uint16le(mbp, 0); smb_rq_bend(rqp); error = smb_rq_simple(rqp); smb_rq_done(rqp); return error; } /* * Set DOS file attributes. mtime should be NULL for dialects above lm10 */ int smbfs_smb_setpattr(struct smbnode *np, u_int16_t attr, struct timespec *mtime, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct smb_share *ssp = np->n_mount->sm_share; struct mbchain *mbp; u_long time; int error, svtz; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_SET_INFORMATION, scred); if (error) return error; svtz = SSTOVC(ssp)->vc_sopt.sv_tz; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_uint16le(mbp, attr); if (mtime) { smb_time_local2server(mtime, svtz, &time); } else time = 0; mb_put_uint32le(mbp, time); /* mtime */ mb_put_mem(mbp, NULL, 5 * 2, MB_MZERO); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_ASCII); do { error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0); if (error) break; mb_put_uint8(mbp, SMB_DT_ASCII); mb_put_uint8(mbp, 0); smb_rq_bend(rqp); error = smb_rq_simple(rqp); SMBERROR("%d\n", error); if (error) break; } while(0); smb_rq_done(rqp); return error; } /* * Note, win95 doesn't support this call. */ int smbfs_smb_setptime2(struct smbnode *np, struct timespec *mtime, struct timespec *atime, int attr, struct smb_cred *scred) { struct smb_t2rq *t2p; struct smb_share *ssp = np->n_mount->sm_share; struct smb_vc *vcp = SSTOVC(ssp); struct mbchain *mbp; u_int16_t date, time; int error, tzoff; error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_PATH_INFORMATION, scred, &t2p); if (error) return error; mbp = &t2p->t2_tparam; mb_init(mbp); mb_put_uint16le(mbp, SMB_INFO_STANDARD); mb_put_uint32le(mbp, 0); /* MBZ */ error = smbfs_fullpath(mbp, vcp, np, NULL, 0); if (error) { smb_t2_done(t2p); return error; } tzoff = vcp->vc_sopt.sv_tz; mbp = &t2p->t2_tdata; mb_init(mbp); mb_put_uint32le(mbp, 0); /* creation time */ if (atime) smb_time_unix2dos(atime, tzoff, &date, &time, NULL); else time = date = 0; mb_put_uint16le(mbp, date); mb_put_uint16le(mbp, time); if (mtime) smb_time_unix2dos(mtime, tzoff, &date, &time, NULL); else time = date = 0; mb_put_uint16le(mbp, date); mb_put_uint16le(mbp, time); mb_put_uint32le(mbp, 0); /* file size */ mb_put_uint32le(mbp, 0); /* allocation unit size */ mb_put_uint16le(mbp, attr); /* DOS attr */ mb_put_uint32le(mbp, 0); /* EA size */ t2p->t2_maxpcount = 5 * 2; t2p->t2_maxdcount = vcp->vc_txmax; error = smb_t2_request(t2p); smb_t2_done(t2p); return error; } /* * NT level. Specially for win9x */ int smbfs_smb_setpattrNT(struct smbnode *np, u_short attr, struct timespec *mtime, struct timespec *atime, struct smb_cred *scred) { struct smb_t2rq *t2p; struct smb_share *ssp = np->n_mount->sm_share; struct smb_vc *vcp = SSTOVC(ssp); struct mbchain *mbp; int64_t tm; int error, tzoff; error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_PATH_INFORMATION, scred, &t2p); if (error) return error; mbp = &t2p->t2_tparam; mb_init(mbp); mb_put_uint16le(mbp, SMB_SET_FILE_BASIC_INFO); mb_put_uint32le(mbp, 0); /* MBZ */ error = smbfs_fullpath(mbp, vcp, np, NULL, 0); if (error) { smb_t2_done(t2p); return error; } tzoff = vcp->vc_sopt.sv_tz; mbp = &t2p->t2_tdata; mb_init(mbp); mb_put_int64le(mbp, 0); /* creation time */ if (atime) { smb_time_local2NT(atime, tzoff, &tm); } else tm = 0; mb_put_int64le(mbp, tm); if (mtime) { smb_time_local2NT(mtime, tzoff, &tm); } else tm = 0; mb_put_int64le(mbp, tm); mb_put_int64le(mbp, tm); /* change time */ mb_put_uint32le(mbp, attr); /* attr */ t2p->t2_maxpcount = 24; t2p->t2_maxdcount = 56; error = smb_t2_request(t2p); smb_t2_done(t2p); return error; } /* * Set file atime and mtime. Doesn't supported by core dialect. */ int smbfs_smb_setftime(struct smbnode *np, struct timespec *mtime, struct timespec *atime, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct smb_share *ssp = np->n_mount->sm_share; struct mbchain *mbp; u_int16_t date, time; int error, tzoff; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_SET_INFORMATION2, scred); if (error) return error; tzoff = SSTOVC(ssp)->vc_sopt.sv_tz; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM); mb_put_uint32le(mbp, 0); /* creation time */ if (atime) smb_time_unix2dos(atime, tzoff, &date, &time, NULL); else time = date = 0; mb_put_uint16le(mbp, date); mb_put_uint16le(mbp, time); if (mtime) smb_time_unix2dos(mtime, tzoff, &date, &time, NULL); else time = date = 0; mb_put_uint16le(mbp, date); mb_put_uint16le(mbp, time); smb_rq_wend(rqp); smb_rq_bstart(rqp); smb_rq_bend(rqp); error = smb_rq_simple(rqp); SMBSDEBUG("%d\n", error); smb_rq_done(rqp); return error; } /* * Set DOS file attributes. * Looks like this call can be used only if CAP_NT_SMBS bit is on. */ int smbfs_smb_setfattrNT(struct smbnode *np, u_int16_t attr, struct timespec *mtime, struct timespec *atime, struct smb_cred *scred) { struct smb_t2rq *t2p; struct smb_share *ssp = np->n_mount->sm_share; struct mbchain *mbp; int64_t tm; int error, svtz; error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_FILE_INFORMATION, scred, &t2p); if (error) return error; svtz = SSTOVC(ssp)->vc_sopt.sv_tz; mbp = &t2p->t2_tparam; mb_init(mbp); mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM); mb_put_uint16le(mbp, SMB_SET_FILE_BASIC_INFO); mb_put_uint32le(mbp, 0); mbp = &t2p->t2_tdata; mb_init(mbp); mb_put_int64le(mbp, 0); /* creation time */ if (atime) { smb_time_local2NT(atime, svtz, &tm); } else tm = 0; mb_put_int64le(mbp, tm); if (mtime) { smb_time_local2NT(mtime, svtz, &tm); } else tm = 0; mb_put_int64le(mbp, tm); mb_put_int64le(mbp, tm); /* change time */ mb_put_uint16le(mbp, attr); mb_put_uint32le(mbp, 0); /* padding */ mb_put_uint16le(mbp, 0); t2p->t2_maxpcount = 2; t2p->t2_maxdcount = 0; error = smb_t2_request(t2p); smb_t2_done(t2p); return error; } int smbfs_smb_open(struct smbnode *np, int accmode, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct smb_share *ssp = np->n_mount->sm_share; struct mbchain *mbp; struct mdchain *mdp; u_int8_t wc; u_int16_t fid, wattr, grantedmode; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_OPEN, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_uint16le(mbp, accmode); mb_put_uint16le(mbp, SMB_FA_SYSTEM | SMB_FA_HIDDEN); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_ASCII); do { error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0); if (error) break; smb_rq_bend(rqp); error = smb_rq_simple(rqp); if (error) break; smb_rq_getreply(rqp, &mdp); if (md_get_uint8(mdp, &wc) != 0 || wc != 7) { error = EBADRPC; break; } md_get_uint16(mdp, &fid); md_get_uint16le(mdp, &wattr); md_get_uint32(mdp, NULL); /* mtime */ md_get_uint32(mdp, NULL); /* fsize */ md_get_uint16le(mdp, &grantedmode); /* * TODO: refresh attributes from this reply */ } while(0); smb_rq_done(rqp); if (error) return error; np->n_fid = fid; np->n_rwstate = grantedmode; return 0; } int smbfs_smb_close(struct smb_share *ssp, u_int16_t fid, struct timespec *mtime, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct mbchain *mbp; u_long time; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CLOSE, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_mem(mbp, (caddr_t)&fid, sizeof(fid), MB_MSYSTEM); if (mtime) { smb_time_local2server(mtime, SSTOVC(ssp)->vc_sopt.sv_tz, &time); } else time = 0; mb_put_uint32le(mbp, time); smb_rq_wend(rqp); smb_rq_bstart(rqp); smb_rq_bend(rqp); error = smb_rq_simple(rqp); smb_rq_done(rqp); return error; } int smbfs_smb_create(struct smbnode *dnp, const char *name, int nmlen, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct smb_share *ssp = dnp->n_mount->sm_share; struct mbchain *mbp; struct mdchain *mdp; struct timespec ctime; u_int8_t wc; u_int16_t fid; u_long tm; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CREATE, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_uint16le(mbp, SMB_FA_ARCHIVE); /* attributes */ nanotime(&ctime); smb_time_local2server(&ctime, SSTOVC(ssp)->vc_sopt.sv_tz, &tm); mb_put_uint32le(mbp, tm); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_ASCII); error = smbfs_fullpath(mbp, SSTOVC(ssp), dnp, name, nmlen); if (!error) { smb_rq_bend(rqp); error = smb_rq_simple(rqp); if (!error) { smb_rq_getreply(rqp, &mdp); md_get_uint8(mdp, &wc); if (wc == 1) md_get_uint16(mdp, &fid); else error = EBADRPC; } } smb_rq_done(rqp); if (error) return error; smbfs_smb_close(ssp, fid, &ctime, scred); return error; } int smbfs_smb_delete(struct smbnode *np, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct smb_share *ssp = np->n_mount->sm_share; struct mbchain *mbp; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_DELETE, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_uint16le(mbp, SMB_FA_SYSTEM | SMB_FA_HIDDEN); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_ASCII); error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0); if (!error) { smb_rq_bend(rqp); error = smb_rq_simple(rqp); } smb_rq_done(rqp); return error; } int smbfs_smb_rename(struct smbnode *src, struct smbnode *tdnp, const char *tname, int tnmlen, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct smb_share *ssp = src->n_mount->sm_share; struct mbchain *mbp; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_RENAME, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_uint16le(mbp, SMB_FA_SYSTEM | SMB_FA_HIDDEN); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_ASCII); do { error = smbfs_fullpath(mbp, SSTOVC(ssp), src, NULL, 0); if (error) break; mb_put_uint8(mbp, SMB_DT_ASCII); error = smbfs_fullpath(mbp, SSTOVC(ssp), tdnp, tname, tnmlen); if (error) break; smb_rq_bend(rqp); error = smb_rq_simple(rqp); } while(0); smb_rq_done(rqp); return error; } int smbfs_smb_move(struct smbnode *src, struct smbnode *tdnp, const char *tname, int tnmlen, u_int16_t flags, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct smb_share *ssp = src->n_mount->sm_share; struct mbchain *mbp; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_MOVE, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_uint16le(mbp, SMB_TID_UNKNOWN); mb_put_uint16le(mbp, 0x20); /* delete target file */ mb_put_uint16le(mbp, flags); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_ASCII); do { error = smbfs_fullpath(mbp, SSTOVC(ssp), src, NULL, 0); if (error) break; mb_put_uint8(mbp, SMB_DT_ASCII); error = smbfs_fullpath(mbp, SSTOVC(ssp), tdnp, tname, tnmlen); if (error) break; smb_rq_bend(rqp); error = smb_rq_simple(rqp); } while(0); smb_rq_done(rqp); return error; } int smbfs_smb_mkdir(struct smbnode *dnp, const char *name, int len, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct smb_share *ssp = dnp->n_mount->sm_share; struct mbchain *mbp; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CREATE_DIRECTORY, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_ASCII); error = smbfs_fullpath(mbp, SSTOVC(ssp), dnp, name, len); if (!error) { smb_rq_bend(rqp); error = smb_rq_simple(rqp); } smb_rq_done(rqp); return error; } int smbfs_smb_rmdir(struct smbnode *np, struct smb_cred *scred) { struct smb_rq rq, *rqp = &rq; struct smb_share *ssp = np->n_mount->sm_share; struct mbchain *mbp; int error; error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_DELETE_DIRECTORY, scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_ASCII); error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0); if (!error) { smb_rq_bend(rqp); error = smb_rq_simple(rqp); } smb_rq_done(rqp); return error; } static int smbfs_smb_search(struct smbfs_fctx *ctx) { struct smb_vc *vcp = SSTOVC(ctx->f_ssp); struct smb_rq *rqp; struct mbchain *mbp; struct mdchain *mdp; u_int8_t wc, bt; u_int16_t ec, dlen, bc; int maxent, error, iseof = 0; maxent = min(ctx->f_left, (vcp->vc_txmax - SMB_HDRLEN - 3) / SMB_DENTRYLEN); if (ctx->f_rq) { smb_rq_done(ctx->f_rq); ctx->f_rq = NULL; } error = smb_rq_alloc(SSTOCP(ctx->f_ssp), SMB_COM_SEARCH, ctx->f_scred, &rqp); if (error) return error; ctx->f_rq = rqp; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_uint16le(mbp, maxent); /* max entries to return */ mb_put_uint16le(mbp, ctx->f_attrmask); smb_rq_wend(rqp); smb_rq_bstart(rqp); mb_put_uint8(mbp, SMB_DT_ASCII); /* buffer format */ if (ctx->f_flags & SMBFS_RDD_FINDFIRST) { error = smbfs_fullpath(mbp, vcp, ctx->f_dnp, ctx->f_wildcard, ctx->f_wclen); if (error) return error; mb_put_uint8(mbp, SMB_DT_VARIABLE); mb_put_uint16le(mbp, 0); /* context length */ ctx->f_flags &= ~SMBFS_RDD_FINDFIRST; } else { mb_put_uint8(mbp, 0); /* file name length */ mb_put_uint8(mbp, SMB_DT_VARIABLE); mb_put_uint16le(mbp, SMB_SKEYLEN); mb_put_mem(mbp, ctx->f_skey, SMB_SKEYLEN, MB_MSYSTEM); } smb_rq_bend(rqp); error = smb_rq_simple(rqp); if (error) { if (rqp->sr_errclass == ERRDOS && rqp->sr_serror == ERRnofiles) { error = 0; iseof = 1; ctx->f_flags |= SMBFS_RDD_EOF; } else return error; } smb_rq_getreply(rqp, &mdp); md_get_uint8(mdp, &wc); if (wc != 1) return iseof ? ENOENT : EBADRPC; md_get_uint16le(mdp, &ec); if (ec == 0) return ENOENT; ctx->f_ecnt = ec; md_get_uint16le(mdp, &bc); if (bc < 3) return EBADRPC; bc -= 3; md_get_uint8(mdp, &bt); if (bt != SMB_DT_VARIABLE) return EBADRPC; md_get_uint16le(mdp, &dlen); if (dlen != bc || dlen % SMB_DENTRYLEN != 0) return EBADRPC; return 0; } static int smbfs_findopenLM1(struct smbfs_fctx *ctx, struct smbnode *dnp, const char *wildcard, int wclen, int attr, struct smb_cred *scred) { ctx->f_attrmask = attr; if (wildcard) { if (wclen == 1 && wildcard[0] == '*') { ctx->f_wildcard = "*.*"; ctx->f_wclen = 3; } else { ctx->f_wildcard = wildcard; ctx->f_wclen = wclen; } } else { ctx->f_wildcard = NULL; ctx->f_wclen = 0; } ctx->f_name = ctx->f_fname; return 0; } static int smbfs_findnextLM1(struct smbfs_fctx *ctx, int limit) { struct mdchain *mbp; struct smb_rq *rqp; char *cp; u_int8_t battr; u_int16_t date, time; u_int32_t size; int error; if (ctx->f_ecnt == 0) { if (ctx->f_flags & SMBFS_RDD_EOF) return ENOENT; ctx->f_left = ctx->f_limit = limit; error = smbfs_smb_search(ctx); if (error) return error; } rqp = ctx->f_rq; smb_rq_getreply(rqp, &mbp); md_get_mem(mbp, ctx->f_skey, SMB_SKEYLEN, MB_MSYSTEM); md_get_uint8(mbp, &battr); md_get_uint16le(mbp, &time); md_get_uint16le(mbp, &date); md_get_uint32le(mbp, &size); cp = ctx->f_name; md_get_mem(mbp, cp, sizeof(ctx->f_fname), MB_MSYSTEM); cp[sizeof(ctx->f_fname) - 1] = 0; cp += strlen(cp) - 1; while (*cp == ' ' && cp >= ctx->f_name) *cp-- = 0; ctx->f_attr.fa_attr = battr; smb_dos2unixtime(date, time, 0, rqp->sr_vc->vc_sopt.sv_tz, &ctx->f_attr.fa_mtime); ctx->f_attr.fa_size = size; ctx->f_nmlen = strlen(ctx->f_name); ctx->f_ecnt--; ctx->f_left--; return 0; } static int smbfs_findcloseLM1(struct smbfs_fctx *ctx) { if (ctx->f_rq) smb_rq_done(ctx->f_rq); return 0; } /* * TRANS2_FIND_FIRST2/NEXT2, used for NT LM12 dialect */ static int smbfs_smb_trans2find2(struct smbfs_fctx *ctx) { struct smb_t2rq *t2p; struct smb_vc *vcp = SSTOVC(ctx->f_ssp); struct mbchain *mbp; struct mdchain *mdp; u_int16_t tw, flags; int error; if (ctx->f_t2) { smb_t2_done(ctx->f_t2); ctx->f_t2 = NULL; } ctx->f_flags &= ~SMBFS_RDD_GOTRNAME; flags = 8 | 2; /* | */ if (ctx->f_flags & SMBFS_RDD_FINDSINGLE) { flags |= 1; /* close search after this request */ ctx->f_flags |= SMBFS_RDD_NOCLOSE; } if (ctx->f_flags & SMBFS_RDD_FINDFIRST) { error = smb_t2_alloc(SSTOCP(ctx->f_ssp), SMB_TRANS2_FIND_FIRST2, ctx->f_scred, &t2p); if (error) return error; ctx->f_t2 = t2p; mbp = &t2p->t2_tparam; mb_init(mbp); mb_put_uint16le(mbp, ctx->f_attrmask); mb_put_uint16le(mbp, ctx->f_limit); mb_put_uint16le(mbp, flags); mb_put_uint16le(mbp, ctx->f_infolevel); mb_put_uint32le(mbp, 0); error = smbfs_fullpath(mbp, vcp, ctx->f_dnp, ctx->f_wildcard, ctx->f_wclen); if (error) return error; } else { error = smb_t2_alloc(SSTOCP(ctx->f_ssp), SMB_TRANS2_FIND_NEXT2, ctx->f_scred, &t2p); if (error) return error; ctx->f_t2 = t2p; mbp = &t2p->t2_tparam; mb_init(mbp); mb_put_mem(mbp, (caddr_t)&ctx->f_Sid, 2, MB_MSYSTEM); mb_put_uint16le(mbp, ctx->f_limit); mb_put_uint16le(mbp, ctx->f_infolevel); mb_put_uint32le(mbp, 0); /* resume key */ mb_put_uint16le(mbp, flags); if (ctx->f_rname) mb_put_mem(mbp, ctx->f_rname, strlen(ctx->f_rname) + 1, MB_MSYSTEM); else mb_put_uint8(mbp, 0); /* resume file name */ #if 0 struct timeval tv; tv.tv_sec = 0; tv.tv_usec = 200 * 1000; /* 200ms */ if (vcp->vc_flags & SMBC_WIN95) { /* * some implementations suggests to sleep here * for 200ms, due to the bug in the Win95. * I've didn't notice any problem, but put code * for it. */ tsleep(&flags, 0, "fix95", tvtohz_high(&tv)); } #endif } t2p->t2_maxpcount = 5 * 2; t2p->t2_maxdcount = vcp->vc_txmax; error = smb_t2_request(t2p); if (error) return error; mdp = &t2p->t2_rparam; if (ctx->f_flags & SMBFS_RDD_FINDFIRST) { if ((error = md_get_uint16(mdp, &ctx->f_Sid)) != 0) return error; ctx->f_flags &= ~SMBFS_RDD_FINDFIRST; } if ((error = md_get_uint16le(mdp, &tw)) != 0) return error; ctx->f_ecnt = tw; if ((error = md_get_uint16le(mdp, &tw)) != 0) return error; if (tw) ctx->f_flags |= SMBFS_RDD_EOF | SMBFS_RDD_NOCLOSE; if ((error = md_get_uint16le(mdp, &tw)) != 0) return error; if ((error = md_get_uint16le(mdp, &tw)) != 0) return error; if (ctx->f_ecnt == 0) return ENOENT; ctx->f_rnameofs = tw; mdp = &t2p->t2_rdata; if (mdp->md_top == NULL) { printf("bug: ecnt = %d, but data is NULL (please report)\n", ctx->f_ecnt); return ENOENT; } if (mdp->md_top->m_len == 0) { printf("bug: ecnt = %d, but m_len = 0 and m_next = %p (please report)\n", ctx->f_ecnt,mbp->mb_top->m_next); return ENOENT; } ctx->f_eofs = 0; return 0; } static int smbfs_smb_findclose2(struct smbfs_fctx *ctx) { struct smb_rq rq, *rqp = &rq; struct mbchain *mbp; int error; error = smb_rq_init(rqp, SSTOCP(ctx->f_ssp), SMB_COM_FIND_CLOSE2, ctx->f_scred); if (error) return error; smb_rq_getrequest(rqp, &mbp); smb_rq_wstart(rqp); mb_put_mem(mbp, (caddr_t)&ctx->f_Sid, 2, MB_MSYSTEM); smb_rq_wend(rqp); smb_rq_bstart(rqp); smb_rq_bend(rqp); error = smb_rq_simple(rqp); smb_rq_done(rqp); return error; } static int smbfs_findopenLM2(struct smbfs_fctx *ctx, struct smbnode *dnp, const char *wildcard, int wclen, int attr, struct smb_cred *scred) { ctx->f_name = malloc(SMB_MAXFNAMELEN, M_SMBFSDATA, M_WAITOK); if (ctx->f_name == NULL) return ENOMEM; ctx->f_infolevel = SMB_DIALECT(SSTOVC(ctx->f_ssp)) < SMB_DIALECT_NTLM0_12 ? SMB_INFO_STANDARD : SMB_FIND_FILE_DIRECTORY_INFO; ctx->f_attrmask = attr; ctx->f_wildcard = wildcard; ctx->f_wclen = wclen; return 0; } static int smbfs_findnextLM2(struct smbfs_fctx *ctx, int limit) { struct mdchain *mbp; struct smb_t2rq *t2p; char *cp; u_int8_t tb; u_int16_t date, time, wattr; u_int32_t size, next, dattr; int64_t lint; int error, svtz, cnt, fxsz, nmlen, recsz; if (ctx->f_ecnt == 0) { if (ctx->f_flags & SMBFS_RDD_EOF) return ENOENT; ctx->f_left = ctx->f_limit = limit; error = smbfs_smb_trans2find2(ctx); if (error) return error; } t2p = ctx->f_t2; mbp = &t2p->t2_rdata; svtz = SSTOVC(ctx->f_ssp)->vc_sopt.sv_tz; switch (ctx->f_infolevel) { case SMB_INFO_STANDARD: next = 0; fxsz = 0; md_get_uint16le(mbp, &date); md_get_uint16le(mbp, &time); /* creation time */ md_get_uint16le(mbp, &date); md_get_uint16le(mbp, &time); /* access time */ smb_dos2unixtime(date, time, 0, svtz, &ctx->f_attr.fa_atime); md_get_uint16le(mbp, &date); md_get_uint16le(mbp, &time); /* access time */ smb_dos2unixtime(date, time, 0, svtz, &ctx->f_attr.fa_mtime); md_get_uint32le(mbp, &size); ctx->f_attr.fa_size = size; md_get_uint32(mbp, NULL); /* allocation size */ md_get_uint16le(mbp, &wattr); ctx->f_attr.fa_attr = wattr; md_get_uint8(mbp, &tb); size = nmlen = tb; fxsz = 23; recsz = next = 24 + nmlen; /* docs misses zero byte at end */ break; case SMB_FIND_FILE_DIRECTORY_INFO: md_get_uint32le(mbp, &next); md_get_uint32(mbp, NULL); /* file index */ md_get_int64(mbp, NULL); /* creation time */ md_get_int64le(mbp, &lint); smb_time_NT2local(lint, svtz, &ctx->f_attr.fa_atime); md_get_int64le(mbp, &lint); smb_time_NT2local(lint, svtz, &ctx->f_attr.fa_mtime); md_get_int64le(mbp, &lint); smb_time_NT2local(lint, svtz, &ctx->f_attr.fa_ctime); md_get_int64le(mbp, &lint); /* file size */ ctx->f_attr.fa_size = lint; md_get_int64(mbp, NULL); /* real size (should use) */ md_get_uint32(mbp, &dattr); /* EA */ ctx->f_attr.fa_attr = dattr; md_get_uint32le(mbp, &size); /* name len */ fxsz = 64; recsz = next ? next : fxsz + size; break; default: SMBERROR("unexpected info level %d\n", ctx->f_infolevel); return EINVAL; } nmlen = min(size, SMB_MAXFNAMELEN); cp = ctx->f_name; error = md_get_mem(mbp, cp, nmlen, MB_MSYSTEM); if (error) return error; if (next) { cnt = next - nmlen - fxsz; if (cnt > 0) md_get_mem(mbp, NULL, cnt, MB_MSYSTEM); else if (cnt < 0) { SMBERROR("out of sync\n"); return EBADRPC; } } if (nmlen && cp[nmlen - 1] == 0) nmlen--; if (nmlen == 0) return EBADRPC; next = ctx->f_eofs + recsz; if (ctx->f_rnameofs && (ctx->f_flags & SMBFS_RDD_GOTRNAME) == 0 && (ctx->f_rnameofs >= ctx->f_eofs && ctx->f_rnameofs < next)) { /* * Server needs a resume filename. */ if (ctx->f_rnamelen <= nmlen) { if (ctx->f_rname) free(ctx->f_rname, M_SMBFSDATA); ctx->f_rname = malloc(nmlen + 1, M_SMBFSDATA, M_WAITOK); ctx->f_rnamelen = nmlen; } bcopy(ctx->f_name, ctx->f_rname, nmlen); ctx->f_rname[nmlen] = 0; ctx->f_flags |= SMBFS_RDD_GOTRNAME; } ctx->f_nmlen = nmlen; ctx->f_eofs = next; ctx->f_ecnt--; ctx->f_left--; return 0; } static int smbfs_findcloseLM2(struct smbfs_fctx *ctx) { if (ctx->f_name) free(ctx->f_name, M_SMBFSDATA); if (ctx->f_t2) smb_t2_done(ctx->f_t2); if ((ctx->f_flags & SMBFS_RDD_NOCLOSE) == 0) smbfs_smb_findclose2(ctx); return 0; } int smbfs_findopen(struct smbnode *dnp, const char *wildcard, int wclen, int attr, struct smb_cred *scred, struct smbfs_fctx **ctxpp) { struct smbfs_fctx *ctx; int error; ctx = malloc(sizeof(*ctx), M_SMBFSDATA, M_WAITOK); if (ctx == NULL) return ENOMEM; bzero(ctx, sizeof(*ctx)); ctx->f_ssp = dnp->n_mount->sm_share; ctx->f_dnp = dnp; ctx->f_flags = SMBFS_RDD_FINDFIRST; ctx->f_scred = scred; if (SMB_DIALECT(SSTOVC(ctx->f_ssp)) < SMB_DIALECT_LANMAN2_0 || (dnp->n_mount->sm_args.flags & SMBFS_MOUNT_NO_LONG)) { ctx->f_flags |= SMBFS_RDD_USESEARCH; error = smbfs_findopenLM1(ctx, dnp, wildcard, wclen, attr, scred); } else error = smbfs_findopenLM2(ctx, dnp, wildcard, wclen, attr, scred); if (error) smbfs_findclose(ctx, scred); else *ctxpp = ctx; return error; } int smbfs_findnext(struct smbfs_fctx *ctx, int limit, struct smb_cred *scred) { int error; if (limit == 0) limit = 1000000; else if (limit > 1) limit *= 4; /* imperical */ ctx->f_scred = scred; for (;;) { if (ctx->f_flags & SMBFS_RDD_USESEARCH) { error = smbfs_findnextLM1(ctx, limit); } else error = smbfs_findnextLM2(ctx, limit); if (error) return error; if ((ctx->f_nmlen == 1 && ctx->f_name[0] == '.') || (ctx->f_nmlen == 2 && ctx->f_name[0] == '.' && ctx->f_name[1] == '.')) continue; break; } smbfs_fname_tolocal(SSTOVC(ctx->f_ssp), ctx->f_name, ctx->f_nmlen, ctx->f_dnp->n_mount->sm_caseopt); ctx->f_attr.fa_ino = smbfs_getino(ctx->f_dnp, ctx->f_name, ctx->f_nmlen); return 0; } int smbfs_findclose(struct smbfs_fctx *ctx, struct smb_cred *scred) { ctx->f_scred = scred; if (ctx->f_flags & SMBFS_RDD_USESEARCH) { smbfs_findcloseLM1(ctx); } else smbfs_findcloseLM2(ctx); if (ctx->f_rname) free(ctx->f_rname, M_SMBFSDATA); free(ctx, M_SMBFSDATA); return 0; } int smbfs_smb_lookup(struct smbnode *dnp, const char *name, int nmlen, struct smbfattr *fap, struct smb_cred *scred) { struct smbfs_fctx *ctx; int error; if (dnp == NULL || (dnp->n_ino == 2 && name == NULL)) { bzero(fap, sizeof(*fap)); fap->fa_attr = SMB_FA_DIR; fap->fa_ino = 2; return 0; } if (nmlen == 1 && name[0] == '.') { error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred); return error; } else if (nmlen == 2 && name[0] == '.' && name[1] == '.') { error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap, scred); printf("%s: knows NOTHING about '..'\n", __func__); return error; } error = smbfs_findopen(dnp, name, nmlen, SMB_FA_SYSTEM | SMB_FA_HIDDEN | SMB_FA_DIR, scred, &ctx); if (error) return error; ctx->f_flags |= SMBFS_RDD_FINDSINGLE; error = smbfs_findnext(ctx, 1, scred); if (error == 0) { *fap = ctx->f_attr; if (name == NULL) fap->fa_ino = dnp->n_ino; } smbfs_findclose(ctx, scred); return error; }