1139776Simp/*- 266539Sbp * Copyright (c) 1999, 2000 Boris Popov 351852Sbp * All rights reserved. 451852Sbp * 551852Sbp * Redistribution and use in source and binary forms, with or without 651852Sbp * modification, are permitted provided that the following conditions 751852Sbp * are met: 851852Sbp * 1. Redistributions of source code must retain the above copyright 951852Sbp * notice, this list of conditions and the following disclaimer. 1051852Sbp * 2. Redistributions in binary form must reproduce the above copyright 1151852Sbp * notice, this list of conditions and the following disclaimer in the 1251852Sbp * documentation and/or other materials provided with the distribution. 1351852Sbp * 1451852Sbp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1551852Sbp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1651852Sbp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1751852Sbp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1851852Sbp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1951852Sbp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2051852Sbp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2151852Sbp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2251852Sbp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2351852Sbp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2451852Sbp * SUCH DAMAGE. 2551852Sbp * 2651852Sbp * $FreeBSD$ 2751852Sbp */ 2851852Sbp 2951852Sbp#include <sys/param.h> 3051852Sbp#include <sys/systm.h> 3151852Sbp#include <sys/proc.h> 3251852Sbp#include <sys/kernel.h> 3351852Sbp#include <sys/sysctl.h> 3451852Sbp#include <sys/vnode.h> 3551852Sbp#include <sys/mount.h> 3651852Sbp#include <sys/stat.h> 3751852Sbp#include <sys/malloc.h> 3860041Sphk#include <sys/bio.h> 3951852Sbp#include <sys/buf.h> 4051852Sbp 4151852Sbp#include <netncp/ncp.h> 4251852Sbp#include <netncp/ncp_conn.h> 4351852Sbp#include <netncp/ncp_subr.h> 4451852Sbp#include <netncp/ncp_ncp.h> 4551852Sbp#include <netncp/ncp_nls.h> 4651852Sbp 4777223Sru#include <fs/nwfs/nwfs.h> 4877223Sru#include <fs/nwfs/nwfs_node.h> 4977223Sru#include <fs/nwfs/nwfs_subr.h> 5051852Sbp 5151852Sbpint nwfs_debuglevel = 0; 5251852Sbp 5351852Sbpstatic int nwfs_version = NWFS_VERSION; 5451852Sbp 5551852SbpSYSCTL_DECL(_vfs_nwfs); 5696755StrhodesSYSCTL_NODE(_vfs, OID_AUTO, nwfs, CTLFLAG_RW, 0, "Netware filesystem"); 5751852SbpSYSCTL_INT(_vfs_nwfs, OID_AUTO, version, CTLFLAG_RD, &nwfs_version, 0, ""); 5851852SbpSYSCTL_INT(_vfs_nwfs, OID_AUTO, debuglevel, CTLFLAG_RW, &nwfs_debuglevel, 0, ""); 5951852Sbp 6059755SpeterMODULE_DEPEND(nwfs, ncp, 1, 1, 1); 6174637SbpMODULE_DEPEND(nwfs, libmchain, 1, 1, 1); 6259755Speter 63138486Sphkstatic vfs_cmount_t nwfs_cmount; 64138486Sphkstatic vfs_mount_t nwfs_mount; 65116271Sphkstatic vfs_quotactl_t nwfs_quotactl; 66116271Sphkstatic vfs_root_t nwfs_root; 67116271Sphkstatic vfs_statfs_t nwfs_statfs; 68116271Sphkstatic vfs_unmount_t nwfs_unmount; 69116271Sphkstatic vfs_init_t nwfs_init; 70116271Sphkstatic vfs_uninit_t nwfs_uninit; 7151852Sbp 7251852Sbpstatic struct vfsops nwfs_vfsops = { 73116271Sphk .vfs_init = nwfs_init, 74138486Sphk .vfs_mount = nwfs_mount, 75138486Sphk .vfs_cmount = nwfs_cmount, 76116271Sphk .vfs_quotactl = nwfs_quotactl, 77116271Sphk .vfs_root = nwfs_root, 78116271Sphk .vfs_statfs = nwfs_statfs, 79116271Sphk .vfs_sync = vfs_stdsync, 80116271Sphk .vfs_uninit = nwfs_uninit, 81116271Sphk .vfs_unmount = nwfs_unmount, 8251852Sbp}; 8351852Sbp 8451852Sbp 8551852SbpVFS_SET(nwfs_vfsops, nwfs, VFCF_NETWORK); 8651852Sbp 8751852Sbpint nwfs_pbuf_freecnt = -1; /* start out unlimited */ 8851852Sbpstatic int nwfsid = 1; 8951852Sbp 9051852Sbpstatic int 9151852Sbpnwfs_initnls(struct nwmount *nmp) { 9251852Sbp char *pc, *pe; 9351852Sbp int error = 0; 9451852Sbp#define COPY_TABLE(t,d) { \ 9551852Sbp if (t) { \ 9651852Sbp error = copyin((t), pc, 256); \ 9751852Sbp if (error) break; \ 9851852Sbp } else \ 9951852Sbp bcopy(d, pc, 256); \ 10051852Sbp (t) = pc; pc += 256; \ 10151852Sbp } 10251852Sbp 10351852Sbp nmp->m.nls.opt |= NWHP_NLS | NWHP_DOS; 10451852Sbp if ((nmp->m.flags & NWFS_MOUNT_HAVE_NLS) == 0) { 10552814Sarchie nmp->m.nls.to_lower = ncp_defnls.to_lower; 10652814Sarchie nmp->m.nls.to_upper = ncp_defnls.to_upper; 10751852Sbp nmp->m.nls.n2u = ncp_defnls.n2u; 10851852Sbp nmp->m.nls.u2n = ncp_defnls.u2n; 10951852Sbp return 0; 11051852Sbp } 111184205Sdes pe = malloc(256 * 4, M_NWFSDATA, M_WAITOK); 11251852Sbp pc = pe; 11351852Sbp do { 11452814Sarchie COPY_TABLE(nmp->m.nls.to_lower, ncp_defnls.to_lower); 11552814Sarchie COPY_TABLE(nmp->m.nls.to_upper, ncp_defnls.to_upper); 11651852Sbp COPY_TABLE(nmp->m.nls.n2u, ncp_defnls.n2u); 11751852Sbp COPY_TABLE(nmp->m.nls.u2n, ncp_defnls.u2n); 11851852Sbp } while(0); 11951852Sbp if (error) { 12051852Sbp free(pe, M_NWFSDATA); 12151852Sbp return error; 12251852Sbp } 12351852Sbp return 0; 12451852Sbp} 125138486Sphk 126230725Smckusickstatic int nwfs_cmount(struct mntarg *ma, void *data, uint64_t flags) 127138486Sphk{ 128138486Sphk struct nwfs_args args; /* will hold data from mount request */ 129138486Sphk int error; 130138486Sphk 131153400Sdes error = copyin(data, &args, sizeof(struct nwfs_args)); 132138486Sphk if (error) 133138486Sphk return (error); 134138486Sphk 135138486Sphk /* 136138486Sphk * XXX: cheap cop-out here, args contains a structure I don't 137138486Sphk * XXX: know how we should handle, and I don't see any immediate 138138486Sphk * XXX: prospect of avoiding a mount_nwfs(8) binary anyway. 139138486Sphk */ 140138486Sphk ma = mount_arg(ma, "nwfs_args", &args, sizeof args); 141138486Sphk 142138486Sphk error = kernel_mount(ma, flags); 143138486Sphk 144138486Sphk return (error); 145138486Sphk} 146138486Sphk 14751852Sbp/* 14851852Sbp * mp - path - addr in user space of mount point (ie /usr or whatever) 14951852Sbp * data - addr in user space of mount params 15051852Sbp */ 151191990Sattiliostatic int nwfs_mount(struct mount *mp) 15251852Sbp{ 15351852Sbp struct nwfs_args args; /* will hold data from mount request */ 15451852Sbp int error; 15551852Sbp struct nwmount *nmp = NULL; 15651852Sbp struct ncp_conn *conn = NULL; 15751852Sbp struct ncp_handle *handle = NULL; 15851852Sbp struct vnode *vp; 159191990Sattilio struct thread *td; 16051852Sbp char *pc,*pe; 16151852Sbp 162191990Sattilio td = curthread; 163137479Sphk if (mp->mnt_flag & MNT_ROOTFS) 164137479Sphk return (EOPNOTSUPP); 16551852Sbp if (mp->mnt_flag & MNT_UPDATE) { 16651852Sbp nwfs_printf("MNT_UPDATE not implemented"); 16751852Sbp return (EOPNOTSUPP); 16851852Sbp } 169150761Sphk error = vfs_copyopt(mp->mnt_optnew, "nwfs_args", &args, sizeof args); 17051852Sbp if (error) 17151852Sbp return (error); 17251852Sbp if (args.version != NWFS_VERSION) { 17351852Sbp nwfs_printf("mount version mismatch: kernel=%d, mount=%d\n",NWFS_VERSION,args.version); 17451852Sbp return (1); 17551852Sbp } 17691406Sjhb error = ncp_conn_getbyref(args.connRef, td , td->td_ucred,NCPM_EXECUTE,&conn); 17751852Sbp if (error) { 17851852Sbp nwfs_printf("invalid connection refernce %d\n",args.connRef); 17951852Sbp return (error); 18051852Sbp } 18151852Sbp error = ncp_conn_gethandle(conn, NULL, &handle); 18251852Sbp if (error) { 18351852Sbp nwfs_printf("can't get connection handle\n"); 18451852Sbp return (error); 18551852Sbp } 18683366Sjulian ncp_conn_unlock(conn, td); /* we keep the ref */ 18751852Sbp mp->mnt_stat.f_iosize = conn->buffer_size; 18851852Sbp /* We must malloc our own mount info */ 189213363Salc nmp = malloc(sizeof(struct nwmount), M_NWFSDATA, M_WAITOK | M_ZERO); 19051852Sbp if (nmp == NULL) { 19151852Sbp nwfs_printf("could not alloc nwmount\n"); 19251852Sbp error = ENOMEM; 19351852Sbp goto bad; 19451852Sbp } 195172697Salfred mp->mnt_data = nmp; 19651852Sbp nmp->connh = handle; 19751852Sbp nmp->n_root = NULL; 19851852Sbp nmp->n_id = nwfsid++; 19951852Sbp nmp->m = args; 20051852Sbp nmp->m.file_mode = (nmp->m.file_mode & 20151852Sbp (S_IRWXU|S_IRWXG|S_IRWXO)) | S_IFREG; 20251852Sbp nmp->m.dir_mode = (nmp->m.dir_mode & 20351852Sbp (S_IRWXU|S_IRWXG|S_IRWXO)) | S_IFDIR; 20451852Sbp if ((error = nwfs_initnls(nmp)) != 0) goto bad; 20551852Sbp pc = mp->mnt_stat.f_mntfromname; 20651852Sbp pe = pc+sizeof(mp->mnt_stat.f_mntfromname); 20751852Sbp bzero(pc, MNAMELEN); 20851852Sbp *(pc++) = '/'; 20951852Sbp pc = index(strncpy(pc, conn->li.server, pe-pc-2),0); 21051852Sbp if (pc < pe-1) { 21151852Sbp *(pc++) = ':'; 21251852Sbp pc=index(strncpy(pc, conn->li.user, pe-pc-2),0); 21351852Sbp if (pc < pe-1) { 21451852Sbp *(pc++) = '/'; 21551852Sbp strncpy(pc, nmp->m.mounted_vol, pe-pc-2); 21651852Sbp } 21751852Sbp } 21851852Sbp /* protect against invalid mount points */ 21951852Sbp nmp->m.mount_point[sizeof(nmp->m.mount_point)-1] = '\0'; 22051852Sbp vfs_getnewfsid(mp); 221191990Sattilio error = nwfs_root(mp, LK_EXCLUSIVE, &vp); 22251852Sbp if (error) 22351852Sbp goto bad; 22451852Sbp /* 22551852Sbp * Lose the lock but keep the ref. 22651852Sbp */ 227175294Sattilio VOP_UNLOCK(vp, 0); 228103936Sjeff NCPVODEBUG("rootvp.vrefcnt=%d\n",vrefcnt(vp)); 22951852Sbp return error; 23051852Sbpbad: 23151852Sbp if (nmp) 23251852Sbp free(nmp, M_NWFSDATA); 23351852Sbp if (handle) 23451852Sbp ncp_conn_puthandle(handle, NULL, 0); 23551852Sbp return error; 23651852Sbp} 23751852Sbp 23851852Sbp/* Unmount the filesystem described by mp. */ 23951852Sbpstatic int 240191990Sattilionwfs_unmount(struct mount *mp, int mntflags) 24151852Sbp{ 242191990Sattilio struct thread *td; 24351852Sbp struct nwmount *nmp = VFSTONWFS(mp); 24451852Sbp struct ncp_conn *conn; 24551852Sbp int error, flags; 24651852Sbp 24751852Sbp NCPVODEBUG("nwfs_unmount: flags=%04x\n",mntflags); 248191990Sattilio td = curthread; 24951852Sbp flags = 0; 25051852Sbp if (mntflags & MNT_FORCE) 25151852Sbp flags |= FORCECLOSE; 25276688Siedowse /* There is 1 extra root vnode reference from nwfs_mount(). */ 253132023Salfred error = vflush(mp, 1, flags, td); 25476688Siedowse if (error) 25551852Sbp return (error); 25651852Sbp conn = NWFSTOCONN(nmp); 25751852Sbp ncp_conn_puthandle(nmp->connh,NULL,0); 25891406Sjhb if (ncp_conn_lock(conn, td, td->td_ucred,NCPM_WRITE | NCPM_EXECUTE) == 0) { 25974062Sbp if(ncp_conn_free(conn)) 26083366Sjulian ncp_conn_unlock(conn, td); 26151852Sbp } 262172697Salfred mp->mnt_data = NULL; 26351852Sbp if (nmp->m.flags & NWFS_MOUNT_HAVE_NLS) 26452814Sarchie free(nmp->m.nls.to_lower, M_NWFSDATA); 26551852Sbp free(nmp, M_NWFSDATA); 266162647Stegge MNT_ILOCK(mp); 26751852Sbp mp->mnt_flag &= ~MNT_LOCAL; 268162647Stegge MNT_IUNLOCK(mp); 26951852Sbp return (error); 27051852Sbp} 27151852Sbp 27251852Sbp/* Return locked vnode to root of a filesystem */ 27351852Sbpstatic int 274191990Sattilionwfs_root(struct mount *mp, int flags, struct vnode **vpp) { 27551852Sbp struct vnode *vp; 27651852Sbp struct nwmount *nmp; 27751852Sbp struct nwnode *np; 27851852Sbp struct ncp_conn *conn; 27951852Sbp struct nw_entry_info fattr; 280191990Sattilio struct thread *td; 281191990Sattilio struct ucred *cred; 28251852Sbp int error, nsf, opt; 28351852Sbp u_char vol; 28451852Sbp 285191990Sattilio td = curthread; 286191990Sattilio cred = td->td_ucred; 287191990Sattilio 28851852Sbp nmp = VFSTONWFS(mp); 28951852Sbp conn = NWFSTOCONN(nmp); 29051852Sbp if (nmp->n_root) { 29151852Sbp *vpp = NWTOV(nmp->n_root); 29283366Sjulian while (vget(*vpp, LK_EXCLUSIVE, curthread) != 0) 29366540Sbp ; 29451852Sbp return 0; 29551852Sbp } 29651852Sbp error = ncp_lookup_volume(conn, nmp->m.mounted_vol, &vol, 29783366Sjulian &nmp->n_rootent.f_id, td, cred); 29851852Sbp if (error) 29951852Sbp return ENOENT; 30051852Sbp nmp->n_volume = vol; 30183366Sjulian error = ncp_get_namespaces(conn, vol, &nsf, td, cred); 30251852Sbp if (error) 30351852Sbp return ENOENT; 30451852Sbp if (nsf & NW_NSB_OS2) { 30551852Sbp NCPVODEBUG("volume %s has os2 namespace\n",nmp->m.mounted_vol); 30651852Sbp if ((nmp->m.flags & NWFS_MOUNT_NO_OS2) == 0) { 30751852Sbp nmp->name_space = NW_NS_OS2; 30851852Sbp nmp->m.nls.opt &= ~NWHP_DOS; 30951852Sbp } 31051852Sbp } 31151852Sbp opt = nmp->m.nls.opt; 31251852Sbp nsf = opt & (NWHP_UPPER | NWHP_LOWER); 31351852Sbp if (opt & NWHP_DOS) { 31451852Sbp if (nsf == (NWHP_UPPER | NWHP_LOWER)) { 31551852Sbp nmp->m.nls.opt &= ~(NWHP_LOWER | NWHP_UPPER); 31651852Sbp } else if (nsf == 0) { 31751852Sbp nmp->m.nls.opt |= NWHP_LOWER; 31851852Sbp } 31951852Sbp } else { 32051852Sbp if (nsf == (NWHP_UPPER | NWHP_LOWER)) { 32151852Sbp nmp->m.nls.opt &= ~(NWHP_LOWER | NWHP_UPPER); 32251852Sbp } 32351852Sbp } 32451852Sbp if (nmp->m.root_path[0]) { 32551852Sbp nmp->m.root_path[0]--; 32651852Sbp error = ncp_obtain_info(nmp, nmp->n_rootent.f_id, 32783366Sjulian -nmp->m.root_path[0], nmp->m.root_path, &fattr, td, cred); 32851852Sbp if (error) { 32951852Sbp NCPFATAL("Invalid root path specified\n"); 33051852Sbp return ENOENT; 33151852Sbp } 33251852Sbp nmp->n_rootent.f_parent = fattr.dirEntNum; 33351852Sbp nmp->m.root_path[0]++; 33451852Sbp error = ncp_obtain_info(nmp, nmp->n_rootent.f_id, 33583366Sjulian -nmp->m.root_path[0], nmp->m.root_path, &fattr, td, cred); 33651852Sbp if (error) { 33751852Sbp NCPFATAL("Invalid root path specified\n"); 33851852Sbp return ENOENT; 33951852Sbp } 34051852Sbp nmp->n_rootent.f_id = fattr.dirEntNum; 34151852Sbp } else { 34251852Sbp error = ncp_obtain_info(nmp, nmp->n_rootent.f_id, 34383366Sjulian 0, NULL, &fattr, td, cred); 34451852Sbp if (error) { 34551852Sbp NCPFATAL("Can't obtain volume info\n"); 34651852Sbp return ENOENT; 34751852Sbp } 34874064Sbp fattr.nameLen = strlen(strcpy(fattr.entryName, "#.ROOT")); 34951852Sbp nmp->n_rootent.f_parent = nmp->n_rootent.f_id; 35051852Sbp } 35151852Sbp error = nwfs_nget(mp, nmp->n_rootent, &fattr, NULL, &vp); 35251852Sbp if (error) 35351852Sbp return (error); 354101308Sjeff vp->v_vflag |= VV_ROOT; 35551852Sbp np = VTONW(vp); 35651852Sbp if (nmp->m.root_path[0] == 0) 35751852Sbp np->n_flag |= NVOLUME; 35851852Sbp nmp->n_root = np; 35983366Sjulian/* error = VOP_GETATTR(vp, &vattr, cred, td); 36051852Sbp if (error) { 36151852Sbp vput(vp); 36251852Sbp NCPFATAL("Can't get root directory entry\n"); 36351852Sbp return error; 36451852Sbp }*/ 36551852Sbp *vpp = vp; 36651852Sbp return (0); 36751852Sbp} 36851852Sbp 36951852Sbp/* 37051852Sbp * Do operations associated with quotas, not supported 37151852Sbp */ 37251852Sbp/* ARGSUSED */ 37351852Sbpstatic int 374191990Sattilionwfs_quotactl(mp, cmd, uid, arg) 37551852Sbp struct mount *mp; 37651852Sbp int cmd; 37751852Sbp uid_t uid; 378153400Sdes void *arg; 37951852Sbp{ 38051852Sbp NCPVODEBUG("return EOPNOTSUPP\n"); 38151852Sbp return (EOPNOTSUPP); 38251852Sbp} 38351852Sbp 38451852Sbp/*ARGSUSED*/ 38551852Sbpint 38651852Sbpnwfs_init(struct vfsconf *vfsp) 38751852Sbp{ 38851852Sbp nwfs_hash_init(); 38951852Sbp nwfs_pbuf_freecnt = nswbuf / 2 + 1; 39051852Sbp NCPVODEBUG("always happy to load!\n"); 39151852Sbp return (0); 39251852Sbp} 39351852Sbp 39451852Sbp/*ARGSUSED*/ 39551852Sbpint 39651852Sbpnwfs_uninit(struct vfsconf *vfsp) 39751852Sbp{ 39851852Sbp 39951852Sbp nwfs_hash_free(); 40051852Sbp NCPVODEBUG("unloaded\n"); 40151852Sbp return (0); 40251852Sbp} 40351852Sbp 40451852Sbp/* 40551852Sbp * nwfs_statfs call 40651852Sbp */ 40751852Sbpint 408191990Sattilionwfs_statfs(mp, sbp) 40951852Sbp struct mount *mp; 41066539Sbp struct statfs *sbp; 41151852Sbp{ 41251852Sbp struct nwmount *nmp = VFSTONWFS(mp); 413191990Sattilio struct thread *td = curthread; 41451852Sbp int error = 0, secsize; 41551852Sbp struct nwnode *np = nmp->n_root; 41651852Sbp struct ncp_volume_info vi; 41751852Sbp 41851852Sbp if (np == NULL) return EINVAL; 41983366Sjulian error = ncp_get_volume_info_with_number(NWFSTOCONN(nmp), 42091406Sjhb nmp->n_volume, &vi, td, td->td_ucred); 42151852Sbp if (error) return error; 42251852Sbp secsize = 512; /* XXX how to get real value ??? */ 42396755Strhodes /* fundamental filesystem block size */ 42451852Sbp sbp->f_bsize = vi.sectors_per_block*secsize; 42551852Sbp /* optimal transfer block size */ 42651852Sbp sbp->f_iosize = NWFSTOCONN(nmp)->buffer_size; 42796755Strhodes /* total data blocks in filesystem */ 42851852Sbp sbp->f_blocks= vi.total_blocks; 42951852Sbp /* free blocks in fs */ 43051852Sbp sbp->f_bfree = vi.free_blocks + vi.purgeable_blocks; 43151852Sbp /* free blocks avail to non-superuser */ 43251852Sbp sbp->f_bavail= vi.free_blocks+vi.purgeable_blocks; 43396755Strhodes /* total file nodes in filesystem */ 43451852Sbp sbp->f_files = vi.total_dir_entries; 43551852Sbp /* free file nodes in fs */ 43651852Sbp sbp->f_ffree = vi.available_dir_entries; 43751852Sbp sbp->f_flags = 0; /* copy of mount exported flags */ 43851852Sbp return 0; 43951852Sbp} 440