199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/cdefs.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome__FBSDID("$FreeBSD$");

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/param.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/time.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/socket.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/stat.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <string.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <netinet/in.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <netinet/in_systm.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "rpcv2.h"

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "nfsv2.h"

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "stand.h"

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "net.h"

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "netif.h"

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "rpc.h"

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define NFS_DEBUGxx

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define NFSREAD_SIZE 1024

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef OLD_NFSV2

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfsv2_fattrs {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_type;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_mode;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_nlink;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_uid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_gid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_blocksize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_rdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_blocks;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_fsid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fa_fileid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv2_time fa_atime;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv2_time fa_mtime;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv2_time fa_ctime;

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfs_read_args {

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_FHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long off;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long xxx; /* XXX what's this for? */

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfs_read_repl {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long errno;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv2_fattrs fa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long count;

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char data[NFSREAD_SIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifndef NFS_NOSYMLINK

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfs_readlnk_repl {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long errno;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char path[NFS_MAXPATHLEN];

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfs_readdir_args {

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_FHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long cookie;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long count;

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfs_readdir_data {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long fileid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char name[0];

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfs_readdir_off {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long cookie;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long follows;

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfs_iodesc {

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct iodesc *iodesc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome off_t off;

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_FHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv2_fattrs fa; /* all in network order */

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome#else /* !OLD_NFSV2 */

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define NFS_V3MAXFHSIZE 64

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define NFS_VER3 3

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define RPCMNT_VER3 3

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define NFSPROCV3_LOOKUP 3

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define NFSPROCV3_READLINK 5

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define NFSPROCV3_READ 6

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define NFSPROCV3_READDIR 16

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soometypedef struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t val[2];

199767f8919635c4928607450d9e0abb932109ceToomas Soome} n_quad;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfsv3_time {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t nfs_sec;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t nfs_nsec;

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfsv3_fattrs {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fa_type;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fa_mode;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fa_nlink;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fa_uid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fa_gid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_quad fa_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_quad fa_used;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_quad fa_rdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_quad fa_fsid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_quad fa_fileid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv3_time fa_atime;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv3_time fa_mtime;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv3_time fa_ctime;

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfsv3_readdir_repl {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t errno;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t ok;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv3_fattrs fa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t cookiev0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t cookiev1;

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfsv3_readdir_entry {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t follows;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fid0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fid1;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t nameplus[0];

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfs_iodesc {

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct iodesc *iodesc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome off_t off;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fhsize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_V3MAXFHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv3_fattrs fa; /* all in network order */

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t cookie;

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif /* OLD_NFSV2 */

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomeint nfs_open(const char *path, struct open_file *f);

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int nfs_close(struct open_file *f);

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int nfs_read(struct open_file *f, void *buf, size_t size, size_t *resid);

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int nfs_write(struct open_file *f, void *buf, size_t size, size_t *resid);

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic off_t nfs_seek(struct open_file *f, off_t offset, int where);

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int nfs_stat(struct open_file *f, struct stat *sb);

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int nfs_readdir(struct open_file *f, struct dirent *d);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct nfs_iodesc nfs_root_node;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct fs_ops nfs_fsops = {

199767f8919635c4928607450d9e0abb932109ceToomas Soome "nfs",

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_open,

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_close,

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_read,

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_write,

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_seek,

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_stat,

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_readdir

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef OLD_NFSV2

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_getrootfh(struct iodesc *d, char *path, u_char *fhp)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome int len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char path[FNAME_SIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *args;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long errno;

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_FHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *repl;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } sdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } rdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome size_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfs_getrootfh: %s\n", path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome args = &sdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl = &rdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bzero(args, sizeof(*args));

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = strlen(path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (len > sizeof(args->path))

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = sizeof(args->path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->len = htonl(len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(path, args->path, len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = 4 + roundup(len, 4);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = rpc_call(d, RPCPROG_MNT, RPCMNT_VER1, RPCMNT_MOUNT,

199767f8919635c4928607450d9e0abb932109ceToomas Soome args, len, repl, sizeof(*repl));

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == -1) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* errno was set by rpc_call */

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (errno);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc < 4)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EBADRPC);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->errno)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ntohl(repl->errno));

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(repl->fh, fhp, sizeof(repl->fh));

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_lookupfh(struct nfs_iodesc *d, const char *name, struct nfs_iodesc *newfd)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome int len, rlen;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args {

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_FHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char name[FNAME_SIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *args;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long errno;

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_FHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv2_fattrs fa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *repl;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } sdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } rdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome ssize_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("lookupfh: called\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome args = &sdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl = &rdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bzero(args, sizeof(*args));

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(d->fh, args->fh, sizeof(args->fh));

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = strlen(name);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (len > sizeof(args->name))

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = sizeof(args->name);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(name, args->name, len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->len = htonl(len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = 4 + roundup(len, 4);

199767f8919635c4928607450d9e0abb932109ceToomas Soome len += NFS_FHSIZE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome rlen = sizeof(*repl);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = rpc_call(d->iodesc, NFS_PROG, NFS_VER2, NFSPROC_LOOKUP,

199767f8919635c4928607450d9e0abb932109ceToomas Soome args, len, repl, rlen);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == -1)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (errno); /* XXX - from rpc_call */

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc < 4)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->errno) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* saerrno.h now matches NFS error numbers. */

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ntohl(repl->errno));

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy( repl->fh, &newfd->fh, sizeof(newfd->fh));

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(&repl->fa, &newfd->fa, sizeof(newfd->fa));

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifndef NFS_NOSYMLINK

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_readlink(struct nfs_iodesc *d, char *buf)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_FHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } sdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_readlnk_repl d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } rdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome ssize_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("readlink: called\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(d->fh, sdata.fh, NFS_FHSIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = rpc_call(d->iodesc, NFS_PROG, NFS_VER2, NFSPROC_READLINK,

199767f8919635c4928607450d9e0abb932109ceToomas Soome sdata.fh, NFS_FHSIZE,

199767f8919635c4928607450d9e0abb932109ceToomas Soome &rdata.d, sizeof(rdata.d));

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == -1)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (errno);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc < 4)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (rdata.d.errno)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ntohl(rdata.d.errno));

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome rdata.d.len = ntohl(rdata.d.len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (rdata.d.len > NFS_MAXPATHLEN)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ENAMETOOLONG);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(rdata.d.path, buf, rdata.d.len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome buf[rdata.d.len] = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_readdata(struct nfs_iodesc *d, off_t off, void *addr, size_t len)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_read_args *args;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_read_repl *repl;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_read_args d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } sdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_read_repl d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } rdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome size_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome long x;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int hlen, rlen;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome args = &sdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl = &rdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(d->fh, args->fh, NFS_FHSIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->off = htonl((n_long)off);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (len > NFSREAD_SIZE)

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = NFSREAD_SIZE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->len = htonl((n_long)len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->xxx = htonl((n_long)0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome hlen = sizeof(*repl) - NFSREAD_SIZE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = rpc_call(d->iodesc, NFS_PROG, NFS_VER2, NFSPROC_READ,

199767f8919635c4928607450d9e0abb932109ceToomas Soome args, sizeof(*args),

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl, sizeof(*repl));

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == -1) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* errno was already set by rpc_call */

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc < hlen) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome errno = EBADRPC;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->errno) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome errno = ntohl(repl->errno);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome rlen = cc - hlen;

199767f8919635c4928607450d9e0abb932109ceToomas Soome x = ntohl(repl->count);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (rlen < x) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfsread: short packet, %d < %ld\n", rlen, x);

199767f8919635c4928607450d9e0abb932109ceToomas Soome errno = EBADRPC;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return(-1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(repl->data, addr, x);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (x);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_open(const char *upath, struct open_file *f)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct iodesc *desc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_iodesc *currfd;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char buf[2 * NFS_FHSIZE + 3];

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char *fh;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *cp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int i;

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifndef NFS_NOSYMLINK

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_iodesc *newfd;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv2_fattrs *fa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *ncp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int c;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char namebuf[NFS_MAXPATHLEN + 1];

199767f8919635c4928607450d9e0abb932109ceToomas Soome char linkbuf[NFS_MAXPATHLEN + 1];

199767f8919635c4928607450d9e0abb932109ceToomas Soome int nlinks = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome int error;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *path;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfs_open: %s (rootpath=%s)\n", upath, rootpath);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!rootpath[0]) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("no rootpath, no nfs\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ENXIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifndef __i386__

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (strcmp(f->f_dev->dv_name, "net") != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return(EINVAL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#else

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (strcmp(f->f_dev->dv_name, "pxe") != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return(EINVAL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!(desc = socktodesc(*(int *)(f->f_devdata))))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return(EINVAL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Bind to a reserved port. */

199767f8919635c4928607450d9e0abb932109ceToomas Soome desc->myport = htons(--rpc_port);

199767f8919635c4928607450d9e0abb932109ceToomas Soome desc->destip = rootip;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if ((error = nfs_getrootfh(desc, rootpath, nfs_root_node.fh)))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (error);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_root_node.fa.fa_type = htonl(NFDIR);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_root_node.fa.fa_mode = htonl(0755);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_root_node.fa.fa_nlink = htonl(2);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_root_node.iodesc = desc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome fh = &nfs_root_node.fh[0];

199767f8919635c4928607450d9e0abb932109ceToomas Soome buf[0] = 'X';

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp = &buf[1];

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < NFS_FHSIZE; i++, cp += 2)

199767f8919635c4928607450d9e0abb932109ceToomas Soome sprintf(cp, "%02x", fh[i]);

199767f8919635c4928607450d9e0abb932109ceToomas Soome sprintf(cp, "X");

199767f8919635c4928607450d9e0abb932109ceToomas Soome setenv("boot.nfsroot.server", inet_ntoa(rootip), 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome setenv("boot.nfsroot.path", rootpath, 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome setenv("boot.nfsroot.nfshandle", buf, 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Allocate file system specific data structure */

199767f8919635c4928607450d9e0abb932109ceToomas Soome currfd = malloc(sizeof(*newfd));

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (currfd == NULL) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOMEM;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifndef NFS_NOSYMLINK

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(&nfs_root_node, currfd, sizeof(*currfd));

00b631909040bb219a21436e55f74fc367c62176Toomas Soome newfd = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp = path = strdup(upath);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (path == NULL) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOMEM;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome while (*cp) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome while (*cp == '/')

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp++;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (*cp == '\0')

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (currfd->fa.fa_type != htonl(NFDIR)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOTDIR;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* allocate file system specific data structure */

199767f8919635c4928607450d9e0abb932109ceToomas Soome newfd = malloc(sizeof(*newfd));

199767f8919635c4928607450d9e0abb932109ceToomas Soome newfd->iodesc = currfd->iodesc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome {

199767f8919635c4928607450d9e0abb932109ceToomas Soome int len = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome ncp = cp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome while ((c = *cp) != '\0' && c != '/') {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (++len > NFS_MAXNAMLEN) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOENT;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp++;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome *cp = '\0';

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* lookup a file handle */

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = nfs_lookupfh(currfd, ncp, newfd);

199767f8919635c4928607450d9e0abb932109ceToomas Soome *cp = c;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (error)

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (newfd->fa.fa_type == htonl(NFLNK)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome int link_len, len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = nfs_readlink(newfd, linkbuf);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (error)

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome link_len = strlen(linkbuf);

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = strlen(cp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (link_len + len > MAXPATHLEN

199767f8919635c4928607450d9e0abb932109ceToomas Soome || ++nlinks > MAXSYMLINKS) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOENT;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(cp, &namebuf[link_len], len + 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(linkbuf, namebuf, link_len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp = namebuf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (*cp == '/')

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(&nfs_root_node, currfd, sizeof(*currfd));

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome free(newfd);

00b631909040bb219a21436e55f74fc367c62176Toomas Soome newfd = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome continue;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome free(currfd);

199767f8919635c4928607450d9e0abb932109ceToomas Soome currfd = newfd;

00b631909040bb219a21436e55f74fc367c62176Toomas Soome newfd = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomeout:

199767f8919635c4928607450d9e0abb932109ceToomas Soome free(newfd);

199767f8919635c4928607450d9e0abb932109ceToomas Soome free(path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#else

199767f8919635c4928607450d9e0abb932109ceToomas Soome currfd->iodesc = desc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = nfs_lookupfh(&nfs_root_node, upath, currfd);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!error) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome currfd->off = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome f->f_fsdata = (void *)currfd;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfs_open: %s lookupfh failed: %s\n",

199767f8919635c4928607450d9e0abb932109ceToomas Soome path, strerror(error));

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome free(currfd);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (error);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_close(struct open_file *f)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_iodesc *fp = (struct nfs_iodesc *)f->f_fsdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfs_close: fp=0x%lx\n", (u_long)fp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (fp)

199767f8919635c4928607450d9e0abb932109ceToomas Soome free(fp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome f->f_fsdata = (void *)0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_read(struct open_file *f, void *buf, size_t size, size_t *resid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_iodesc *fp = (struct nfs_iodesc *)f->f_fsdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome ssize_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *addr = buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfs_read: size=%lu off=%d\n", (u_long)size,

199767f8919635c4928607450d9e0abb932109ceToomas Soome (int)fp->off);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome while ((int)size > 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome twiddle(16);

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = nfs_readdata(fp, fp->off, (void *)addr, size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* XXX maybe should retry on certain errors */

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == -1) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfs_read: read: %s", strerror(errno));

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (errno); /* XXX - from nfs_readdata */

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfs_read: hit EOF unexpectantly");

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto ret;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome fp->off += cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome addr += cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome size -= cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soomeret:

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (resid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome *resid = size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_write(struct open_file *f, void *buf, size_t size, size_t *resid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EROFS);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_seek(struct open_file *f, off_t offset, int where)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_iodesc *d = (struct nfs_iodesc *)f->f_fsdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long size = ntohl(d->fa.fa_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome switch (where) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome case SEEK_SET:

199767f8919635c4928607450d9e0abb932109ceToomas Soome d->off = offset;

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome case SEEK_CUR:

199767f8919635c4928607450d9e0abb932109ceToomas Soome d->off += offset;

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome case SEEK_END:

199767f8919635c4928607450d9e0abb932109ceToomas Soome d->off = size - offset;

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome default:

199767f8919635c4928607450d9e0abb932109ceToomas Soome errno = EINVAL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (d->off);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomeint nfs_stat_types[8] = {

199767f8919635c4928607450d9e0abb932109ceToomas Soome 0, S_IFREG, S_IFDIR, S_IFBLK, S_IFCHR, S_IFLNK, 0 };

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_stat(struct open_file *f, struct stat *sb)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_iodesc *fp = (struct nfs_iodesc *)f->f_fsdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long ftype, mode;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome ftype = ntohl(fp->fa.fa_type);

199767f8919635c4928607450d9e0abb932109ceToomas Soome mode = ntohl(fp->fa.fa_mode);

199767f8919635c4928607450d9e0abb932109ceToomas Soome mode |= nfs_stat_types[ftype & 7];

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome sb->st_mode = mode;

199767f8919635c4928607450d9e0abb932109ceToomas Soome sb->st_nlink = ntohl(fp->fa.fa_nlink);

199767f8919635c4928607450d9e0abb932109ceToomas Soome sb->st_uid = ntohl(fp->fa.fa_uid);

199767f8919635c4928607450d9e0abb932109ceToomas Soome sb->st_gid = ntohl(fp->fa.fa_gid);

199767f8919635c4928607450d9e0abb932109ceToomas Soome sb->st_size = ntohl(fp->fa.fa_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_readdir(struct open_file *f, struct dirent *d)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_iodesc *fp = (struct nfs_iodesc *)f->f_fsdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_readdir_args *args;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_readdir_data *rd;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_readdir_off *roff = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome static char *buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome static struct nfs_iodesc *pfp = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome static n_long cookie = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome size_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long eof;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_readdir_args d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } sdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome static struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome n_long h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char d[NFS_READDIRSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } rdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (fp != pfp || fp->off != cookie) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome pfp = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome refill:

199767f8919635c4928607450d9e0abb932109ceToomas Soome args = &sdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome bzero(args, sizeof(*args));

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(fp->fh, args->fh, NFS_FHSIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->cookie = htonl(fp->off);

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->count = htonl(NFS_READDIRSIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = rpc_call(fp->iodesc, NFS_PROG, NFS_VER2, NFSPROC_READDIR,

199767f8919635c4928607450d9e0abb932109ceToomas Soome args, sizeof(*args),

199767f8919635c4928607450d9e0abb932109ceToomas Soome rdata.d, sizeof(rdata.d));

199767f8919635c4928607450d9e0abb932109ceToomas Soome buf = rdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome roff = (struct nfs_readdir_off *)buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ntohl(roff->cookie) != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return EIO;

199767f8919635c4928607450d9e0abb932109ceToomas Soome pfp = fp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome cookie = fp->off;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome roff = (struct nfs_readdir_off *)buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ntohl(roff->follows) == 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome eof = ntohl((roff+1)->cookie);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (eof) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome cookie = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return ENOENT;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto refill;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome buf += sizeof(struct nfs_readdir_off);

199767f8919635c4928607450d9e0abb932109ceToomas Soome rd = (struct nfs_readdir_data *)buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome d->d_namlen = ntohl(rd->len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(rd->name, d->d_name, d->d_namlen);

199767f8919635c4928607450d9e0abb932109ceToomas Soome d->d_name[d->d_namlen] = '\0';

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome buf += (sizeof(struct nfs_readdir_data) + roundup(htonl(rd->len),4));

199767f8919635c4928607450d9e0abb932109ceToomas Soome roff = (struct nfs_readdir_off *)buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome fp->off = cookie = ntohl(roff->cookie);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome#else /* !OLD_NFSV2 */

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_getrootfh(struct iodesc *d, char *path, uint32_t *fhlenp, u_char *fhp)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome int len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char path[FNAME_SIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *args;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t errno;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fhsize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_V3MAXFHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t authcnt;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t auth[7];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *repl;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } sdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } rdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome size_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfs_getrootfh: %s\n", path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome args = &sdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl = &rdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bzero(args, sizeof(*args));

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = strlen(path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (len > sizeof(args->path))

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = sizeof(args->path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->len = htonl(len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(path, args->path, len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = sizeof(uint32_t) + roundup(len, sizeof(uint32_t));

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = rpc_call(d, RPCPROG_MNT, RPCMNT_VER3, RPCMNT_MOUNT,

199767f8919635c4928607450d9e0abb932109ceToomas Soome args, len, repl, sizeof(*repl));

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == -1)

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* errno was set by rpc_call */

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (errno);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc < 2 * sizeof (uint32_t))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EBADRPC);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->errno != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ntohl(repl->errno));

199767f8919635c4928607450d9e0abb932109ceToomas Soome *fhlenp = ntohl(repl->fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(repl->fh, fhp, *fhlenp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_lookupfh(struct nfs_iodesc *d, const char *name, struct nfs_iodesc *newfd)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome int len, rlen, pos;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fhsize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fhplusname[1 +

199767f8919635c4928607450d9e0abb932109ceToomas Soome (NFS_V3MAXFHSIZE + FNAME_SIZE) / sizeof(uint32_t)];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *args;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t errno;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fhsize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fhplusattr[(NFS_V3MAXFHSIZE +

199767f8919635c4928607450d9e0abb932109ceToomas Soome 2 * (sizeof(uint32_t) +

199767f8919635c4928607450d9e0abb932109ceToomas Soome sizeof(struct nfsv3_fattrs))) / sizeof(uint32_t)];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *repl;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } sdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } rdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome ssize_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("lookupfh: called\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome args = &sdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl = &rdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bzero(args, sizeof(*args));

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->fhsize = htonl(d->fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(d->fh, args->fhplusname, d->fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = strlen(name);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (len > FNAME_SIZE)

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = FNAME_SIZE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome pos = roundup(d->fhsize, sizeof(uint32_t)) / sizeof(uint32_t);

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->fhplusname[pos++] = htonl(len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(name, &args->fhplusname[pos], len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = sizeof(uint32_t) + pos * sizeof(uint32_t) +

199767f8919635c4928607450d9e0abb932109ceToomas Soome roundup(len, sizeof(uint32_t));

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome rlen = sizeof(*repl);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = rpc_call(d->iodesc, NFS_PROG, NFS_VER3, NFSPROCV3_LOOKUP,

199767f8919635c4928607450d9e0abb932109ceToomas Soome args, len, repl, rlen);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == -1)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (errno); /* XXX - from rpc_call */

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc < 2 * sizeof(uint32_t))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->errno != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* saerrno.h now matches NFS error numbers. */

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ntohl(repl->errno));

199767f8919635c4928607450d9e0abb932109ceToomas Soome newfd->fhsize = ntohl(repl->fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(repl->fhplusattr, &newfd->fh, newfd->fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome pos = roundup(newfd->fhsize, sizeof(uint32_t)) / sizeof(uint32_t);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->fhplusattr[pos++] == 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(&repl->fhplusattr[pos], &newfd->fa, sizeof(newfd->fa));

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifndef NFS_NOSYMLINK

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_readlink(struct nfs_iodesc *d, char *buf)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fhsize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char fh[NFS_V3MAXFHSIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *args;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t errno;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t ok;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv3_fattrs fa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char path[NFS_MAXPATHLEN];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *repl;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } sdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } rdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome ssize_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("readlink: called\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome args = &sdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl = &rdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bzero(args, sizeof(*args));

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->fhsize = htonl(d->fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(d->fh, args->fh, d->fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = rpc_call(d->iodesc, NFS_PROG, NFS_VER3, NFSPROCV3_READLINK,

199767f8919635c4928607450d9e0abb932109ceToomas Soome args, sizeof(uint32_t) + roundup(d->fhsize, sizeof(uint32_t)),

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl, sizeof(*repl));

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == -1)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (errno);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc < 2 * sizeof(uint32_t))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->errno != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ntohl(repl->errno));

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->ok == 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl->len = ntohl(repl->len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->len > NFS_MAXPATHLEN)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ENAMETOOLONG);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(repl->path, buf, repl->len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome buf[repl->len] = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_readdata(struct nfs_iodesc *d, off_t off, void *addr, size_t len)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fhsize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t fhoffcnt[NFS_V3MAXFHSIZE / sizeof(uint32_t) + 3];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *args;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t errno;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t ok;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv3_fattrs fa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t count;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t eof;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char data[NFSREAD_SIZE];

199767f8919635c4928607450d9e0abb932109ceToomas Soome } *repl;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct args d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } sdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t h[RPC_HEADER_WORDS];

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct repl d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } rdata;

199767f8919635c4928607450d9e0abb932109ceToomas Soome size_t cc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome long x;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int hlen, rlen, pos;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome args = &sdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl = &rdata.d;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bzero(args, sizeof(*args));

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->fhsize = htonl(d->fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(d->fh, args->fhoffcnt, d->fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome pos = roundup(d->fhsize, sizeof(uint32_t)) / sizeof(uint32_t);

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->fhoffcnt[pos++] = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->fhoffcnt[pos++] = htonl((uint32_t)off);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (len > NFSREAD_SIZE)

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = NFSREAD_SIZE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome args->fhoffcnt[pos] = htonl((uint32_t)len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome hlen = sizeof(*repl) - NFSREAD_SIZE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome cc = rpc_call(d->iodesc, NFS_PROG, NFS_VER3, NFSPROCV3_READ,

199767f8919635c4928607450d9e0abb932109ceToomas Soome args, 4 * sizeof(uint32_t) + roundup(d->fhsize, sizeof(uint32_t)),

199767f8919635c4928607450d9e0abb932109ceToomas Soome repl, sizeof(*repl));

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc == -1)

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* errno was already set by rpc_call */

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cc < hlen) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome errno = EBADRPC;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (repl->errno != 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome errno = ntohl(repl->errno);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome rlen = cc - hlen;

199767f8919635c4928607450d9e0abb932109ceToomas Soome x = ntohl(repl->count);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (rlen < x) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfsread: short packet, %d < %ld\n", rlen, x);

199767f8919635c4928607450d9e0abb932109ceToomas Soome errno = EBADRPC;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(repl->data, addr, x);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (x);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomenfs_open(const char *upath, struct open_file *f)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct iodesc *desc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_iodesc *currfd;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char buf[2 * NFS_V3MAXFHSIZE + 3];

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char *fh;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *cp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int i;

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifndef NFS_NOSYMLINK

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfs_iodesc *newfd;

199767f8919635c4928607450d9e0abb932109ceToomas Soome struct nfsv3_fattrs *fa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *ncp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int c;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char namebuf[NFS_MAXPATHLEN + 1];

199767f8919635c4928607450d9e0abb932109ceToomas Soome char linkbuf[NFS_MAXPATHLEN + 1];

199767f8919635c4928607450d9e0abb932109ceToomas Soome int nlinks = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome int error;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *path;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef NFS_DEBUG

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (debug)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("nfs_open: %s (rootpath=%s)\n", upath, rootpath);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!rootpath[0]) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("no rootpath, no nfs\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ENXIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifndef __i386__

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (strcmp(f->f_dev->dv_name, "net") != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EINVAL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#else

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (strcmp(f->f_dev->dv_name, "pxe") != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EINVAL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!(desc = socktodesc(*(int *)(f->f_devdata))))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EINVAL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Bind to a reserved port. */

199767f8919635c4928607450d9e0abb932109ceToomas Soome desc->myport = htons(--rpc_port);

199767f8919635c4928607450d9e0abb932109ceToomas Soome desc->destip = rootip;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if ((error = nfs_getrootfh(desc, rootpath, &nfs_root_node.fhsize,

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_root_node.fh)))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (error);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_root_node.fa.fa_type = htonl(NFDIR);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_root_node.fa.fa_mode = htonl(0755);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_root_node.fa.fa_nlink = htonl(2);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nfs_root_node.iodesc = desc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome fh = &nfs_root_node.fh[0];

199767f8919635c4928607450d9e0abb932109ceToomas Soome buf[0] = 'X';

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp = &buf[1];

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < nfs_root_node.fhsize; i++, cp += 2)

199767f8919635c4928607450d9e0abb932109ceToomas Soome sprintf(cp, "%02x", fh[i]);

199767f8919635c4928607450d9e0abb932109ceToomas Soome sprintf(cp, "X");

199767f8919635c4928607450d9e0abb932109ceToomas Soome setenv("boot.nfsroot.server", inet_ntoa(rootip), 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome setenv("boot.nfsroot.path", rootpath, 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome setenv("boot.nfsroot.nfshandle", buf, 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome sprintf(buf, "%d", nfs_root_node.fhsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome setenv("boot.nfsroot.nfshandlelen", buf, 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Allocate file system specific data structure */

199767f8919635c4928607450d9e0abb932109ceToomas Soome currfd = malloc(sizeof(*newfd));

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (currfd == NULL) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOMEM;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifndef NFS_NOSYMLINK

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(&nfs_root_node, currfd, sizeof(*currfd));

00b631909040bb219a21436e55f74fc367c62176Toomas Soome newfd = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp = path = strdup(upath);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (path == NULL) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOMEM;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome while (*cp) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome while (*cp == '/')

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp++;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (*cp == '\0')

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (currfd->fa.fa_type != htonl(NFDIR)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOTDIR;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* allocate file system specific data structure */

199767f8919635c4928607450d9e0abb932109ceToomas Soome newfd = malloc(sizeof(*newfd));

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (newfd == NULL) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOMEM;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome newfd->iodesc = currfd->iodesc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome {

199767f8919635c4928607450d9e0abb932109ceToomas Soome int len = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome ncp = cp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome while ((c = *cp) != '\0' && c != '/') {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (++len > NFS_MAXNAMLEN) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOENT;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp++;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome *cp = '\0';

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* lookup a file handle */

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = nfs_lookupfh(currfd, ncp, newfd);

199767f8919635c4928607450d9e0abb932109ceToomas Soome *cp = c;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (error)

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (newfd->fa.fa_type == htonl(NFLNK)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome int link_len, len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = nfs_readlink(newfd, linkbuf);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (error)

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome link_len = strlen(linkbuf);

199767f8919635c4928607450d9e0abb932109ceToomas Soome len = strlen(cp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (link_len + len > MAXPATHLEN

199767f8919635c4928607450d9e0abb932109ceToomas Soome || ++nlinks > MAXSYMLINKS) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = ENOENT;

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto out;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(cp, &namebuf[link_len], len + 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(linkbuf, namebuf, link_len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome cp = namebuf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (*cp == '/')

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(&nfs_root_node, currfd, sizeof(*currfd));

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome free(newfd);

00b631909040bb219a21436e55f74fc367c62176Toomas Soome newfd = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome continue;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome free(currfd);

199767f8919635c4928607450d9e0abb932109ceToomas Soome currfd = newfd;

00b631909040bb219a21436e55f74fc367c62176Toomas Soome newfd = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome