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nfsd.c
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nfsd.c
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#include "vxWorks.h"
#include "rpc/rpc.h"
#include "stdio.h"
#include "stdioLib.h"
#include "in.h"
#include "ioLib.h"
#include "socket.h"
#include "nfs_prot.h"
#include "stat.h"
#include "iosLib.h"
#include "memLib.h"
#include "limits.h"
#include "ctype.h"
#include "errno.h"
#include "errnoLib.h"
#include "fcntl.h"
#include "pathLib.h"
#include "mount.h"
#include "blkIo.h"
#include "rt11FsLib.h"
#include "dosFsLib.h"
#include "dirent.h"
#include "stdarg.h"
#include "hashLib.h"
#include "symLib.h"
#define MAX_EXPORTS 20 /* XXX */
char *nfsd_exportfs[] = { /* XXX */
"/rt11/",
"/msdog/",
"/",
"/usr",
"/home",
"/hack",
"/maxtor",
0
};
typedef struct {
int type;
char opaque[NFS_FHSIZE - sizeof(int)];
} vxfh_t;
typedef struct {
u_int mode;
u_int uid;
u_int gid;
u_int size;
u_int atime;
u_int mtime;
} mysattr_t;
void nfsd();
void mountd();
char *fh2path();
void nfsd_debug(char *,...);
void nfsd_debugno();
void path_to_all_lower();
int nfsd_debug_on = 1; /* XXX */
int nfsd_task_id = 0;
int nfsd_task_priority = 100;
int nfsd_task_options = 0;
int nfsd_task_stacksize = 10 * 1024; /* too big? */
int mountd_task_id = 0;
int mountd_task_priority = 99;
int mountd_task_options = 0;
int mountd_task_stacksize = 10 * 1024;
int rt11_create_size = 100 * 1024; /* XXX */
int msdog_bytes_per_block = 512;
int nfsd_optimal_tsize = 8196;
SYMTAB_ID nfsd_pathtab;
static char nfsd_buffer[NFS_MAXDATA], path_buffer[PATH_MAX];
extern int rt11FsDrvNum, dosFsDrvNum;
#define NFSD_MSDOS_TYPE 'm'
void
nfs_start(char *pathtab_name)
{
FILE *fp;
char path[PATH_MAX];
int id;
if ((nfsd_task_id = taskSpawn("tNfsd", nfsd_task_priority,
nfsd_task_options, nfsd_task_stacksize,
nfsd, 0)) != ERROR &&
(mountd_task_id = taskSpawn("tMountd", mountd_task_priority,
mountd_task_options, mountd_task_stacksize,
mountd, 0)) != ERROR) {
nfsd_debug("nfs_start: nfsd and mountd started OK\n");
if (!pathtab_name)
return;
nfsd_pathtab = symTblCreate(8, FALSE, memSysPartId);
if (!nfsd_pathtab) {
nfsd_debug("nfs_start: can't create nfsd_pathtab\n");
return;
}
if ((fp = fopen(pathtab_name, "r")) == 0) {
symTblDelete(nfsd_pathtab);
nfsd_debug("nfs_start: can't open pathtab file <%s>\n",
pathtab_name);
return;
}
while (fgets(nfsd_buffer, sizeof(nfsd_buffer), fp)) {
sscanf(nfsd_buffer, "%s %d", path, &id);
path_to_all_lower(path);
if (symAdd(nfsd_pathtab, path, (char *) id,
(SYM_TYPE) NFSD_MSDOS_TYPE, 0) == ERROR) {
symTblDelete(nfsd_pathtab);
nfsd_debug("nfs_start: can't add path <%s>\n",
path);
return;
}
nfsd_debug("nfs_start: added path <%s> id %x\n",
path, id);
}
nfsd_debug("nfs_start: %d paths added to pathtab\n",
nfsd_pathtab->nsymbols);
} else {
nfsd_debug("nfs_start: didn't work\n");
if (nfsd_task_id != ERROR)
taskDelete(nfsd_task_id);
}
}
ftype
mode2type(u_long mode)
{
switch (mode & S_IFMT) {
case S_IFIFO:
return NFFIFO;
case S_IFCHR:
return NFCHR;
case S_IFDIR:
return NFDIR;
case S_IFBLK:
return NFBLK;
case S_IFREG:
return NFREG;
case S_IFLNK:
return NFLNK;
case S_IFSOCK:
return NFSOCK;
}
return NFBAD;
}
void
path_to_all_lower(char *pathp)
{
for (; pathp && *pathp; pathp++) {
if (isupper(*pathp))
*pathp = tolower(*pathp);
}
}
char *
fh2path(vxfh_t * fhp)
{
int *value;
SYM_TYPE type;
if (fhp->type == rt11FsDrvNum)
return (fhp->opaque);
if (fhp->type == dosFsDrvNum) {
value = (int *) fhp->opaque;
/*
* XXX optimize -- prolly just can return
* ((SYMBOL)value)->name if symbol names are alloc'ed out of
* a separate memory partition, in exactly duplicate order.
*/
if (symFindByValue(nfsd_pathtab, *value, path_buffer,
value, &type) == ERROR) {
nfsd_debug("fh2path failed for fstype %d, val = %d\n",
fhp->type, *value);
return;
}
path_to_all_lower(path_buffer);
return path_buffer;
}
nfsd_debug("fh2path failed fhp->type = %d\n", fhp->type);
return NULL;
}
STATUS
newfh(vxfh_t * vxfhp, char *fullpath)
{
DEV_HDR *devhdrp;
SYMBOL *sp, *sp2;
int fd;
char *valuep, type;
if ((fd = open(fullpath, O_RDONLY, 0)) < 0)
return ERROR;
if ((devhdrp = iosFdDevFind(fd)) == NULL) {
close(fd);
return ERROR;
}
if (devhdrp->drvNum == rt11FsDrvNum) {
vxfhp->type = rt11FsDrvNum;
strcpy(vxfhp->opaque, fullpath);
close(fd);
return OK;
}
if (devhdrp->drvNum == dosFsDrvNum) {
path_to_all_lower(fullpath);
if (symFindByName(nfsd_pathtab, fullpath, &valuep,
&type) == OK) {
vxfhp->type = dosFsDrvNum;
*((int *) (vxfhp->opaque)) = (int) valuep;
close(fd);
nfsd_debug("newfh: return existing valuep %x <%s>\n",
valuep, fullpath);
return OK;
}
if (!(sp = symAlloc(nfsd_pathtab, fullpath, 0,
(SYM_TYPE) NFSD_MSDOS_TYPE, 0))) {
nfsd_debug("newfh: can't symAlloc sp %x <%s>\n",
sp, fullpath);
nfsd_debugno();
close(fd);
return ERROR;
}
sp->value = (char *) sp;
if (symTblAdd(nfsd_pathtab, sp) == ERROR) {
/*
* XXX -- only try 2 times if it fails. highly
* unlikely hash will collide two times in a row with
* different values. but this is obviously imperfect.
*/
if (!(sp2 = symAlloc(nfsd_pathtab, fullpath, 0,
(SYM_TYPE) NFSD_MSDOS_TYPE, 0))) {
nfsd_debug("newfh: can't symAlloc sp2 <%s>\n",
fullpath);
close(fd);
symFree(nfsd_pathtab, sp);
return ERROR;
}
symFree(nfsd_pathtab, sp);
sp = sp2;
sp->value = (char *) sp;
if (symTblAdd(nfsd_pathtab, sp) == ERROR) {
nfsd_debugno();
nfsd_debug("newfh: couldn't add <%s>\n",
fullpath);
symFree(nfsd_pathtab, sp);
close(fd);
return ERROR;
}
}
nfsd_debug("newfh: <%s> added as <%x>\n",
fullpath, sp);
nfsd_debug("newfh: total %d paths are in pathtab now.\n",
nfsd_pathtab->nsymbols);
vxfhp->type = dosFsDrvNum;
*((int *) (vxfhp->opaque)) = (int) sp;
close(fd);
return OK;
}
close(fd);
return ERROR;
}
void
nfsd()
{
struct sockaddr_in sin;
int sock;
bzero(&sin, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = htons(NFS_PORT);
sin.sin_addr.s_addr = INADDR_ANY;
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
nfsd_debug("nfsd: can't create nfsd socket\n");
return;
}
if (bind(sock, &sin, sizeof(sin)) < 0) {
nfsd_debug("nfsd: can't bind to port %d\n", NFS_PORT);
return;
}
rpcTaskInit();
nfsd_main(sock);
}
void *
nfsproc_null_2()
{
static char dummy = (char) 0;
return ((void *) &dummy);
}
int
rt11id(DEV_HDR * devhdrp, char *pathp)
{
RT_VOL_DESC *volp = (RT_VOL_DESC *) devhdrp;
REQ_DIR_ENTRY rde;
int fd;
if (strcmp(devhdrp->name, pathp) == 0)
return 0;
pathp += strlen(pathp) - 1;
while (*pathp-- != '/');
pathp += 2;
fd = open(devhdrp->name, O_RDONLY, 0);
if (fd < 0)
return -1;
for (rde.entryNum = 0; ioctl(fd, FIODIRENTRY, (int) &rde) == OK;
rde.entryNum++) {
if (strcmp(rde.name, pathp) == 0) {
close(fd);
return rde.entryNum + 1;
}
}
close(fd);
return -1;
}
STATUS
get_attrstat(char *pathp, struct fattr * fattrp, vxfh_t * fhp)
{
struct stat stat_holder;
DEV_HDR *devhdrp;
int fd = 0, junk;
if (stat(pathp, &stat_holder) == OK) {
fattrp->type = mode2type(stat_holder.st_mode);
fattrp->mode = stat_holder.st_mode;
fattrp->nlink = stat_holder.st_nlink;
fattrp->uid = stat_holder.st_uid;
fattrp->gid = stat_holder.st_gid;
fattrp->size = stat_holder.st_size;
fattrp->blocksize = stat_holder.st_blksize;
fattrp->rdev = stat_holder.st_rdev;
fattrp->blocks = stat_holder.st_blocks;
fattrp->fileid = 0xfeedface; /* XXX */
fattrp->atime.seconds = stat_holder.st_atime;
fattrp->mtime.seconds = stat_holder.st_mtime;
fattrp->ctime.seconds = stat_holder.st_ctime;
if ((fd = open(pathp, O_RDONLY, 0)) &&
(devhdrp = iosFdDevFind(fd))) {
close(fd);
fattrp->fsid = devhdrp->drvNum;
if (devhdrp->drvNum == rt11FsDrvNum) {
/*
* hand kludge up reasonable values for RT11
*/
fattrp->mode |= S_IRWXU | S_IRWXG | S_IRWXO;
/*
* i dunno why rt11 does this! but fix it.
*/
if (fattrp->mode & S_IFIFO) {
fattrp->mode &= ~S_IFIFO;
fattrp->mode |= S_IFREG;
}
fattrp->blocksize = RT_BYTES_PER_BLOCK;
fattrp->blocks = fattrp->size /
RT_BYTES_PER_BLOCK;
if (fattrp->blocks == 0 && fattrp->size > 0)
fattrp->blocks = 1;
fattrp->fileid = rt11id(devhdrp, pathp);
} else if (devhdrp->drvNum == dosFsDrvNum) {
/*
* XXX msdog filesys don't return blocksize
* and blocks... hack on top of hack.
*/
fattrp->blocksize = msdog_bytes_per_block;
fattrp->blocks =
fattrp->size / msdog_bytes_per_block;
if (fattrp->blocks == 0 && fattrp->size > 0)
fattrp->blocks = 1;
fattrp->fileid = *((int *) (fhp->opaque));
}
}
nfsd_debug("get_attrstat: stat ok, path=<%s>\n", pathp);
nfsd_debug("f %d t %d m 0%o u %d g %d sz %d bs %d b %d i %x ",
fattrp->fsid,
fattrp->type,
fattrp->mode,
fattrp->uid,
fattrp->gid,
fattrp->size,
fattrp->blocksize,
fattrp->blocks,
fattrp->fileid);
nfsd_debug("atime %x mtime %x\n",
fattrp->atime,
fattrp->mtime);
return (OK);
}
nfsd_debugno();
nfsd_debug("get_attrstat: stat failed, path=<%s>\n", pathp);
if (fd)
close(fd);
return (ERROR);
}
attrstat *
nfsproc_getattr_2(nfs_fh * fhp, struct svc_req * reqp)
{
int fd;
struct fattr *fattrp;
static attrstat attrstat, *attrstatp;
char *pathp;
nfsd_debug("getattr\n");
attrstatp = &attrstat;
bzero(attrstatp, sizeof(*attrstatp));
fattrp = &attrstatp->attrstat_u.attributes;
if ((pathp = fh2path((vxfh_t *) fhp)) == NULL) {
attrstat.status = NFSERR_NOENT;
return (&attrstat);
}
if (get_attrstat(pathp, fattrp, (vxfh_t *) fhp) == OK) {
attrstat.status = NFS_OK;
return (&attrstat);
}
attrstat.status = errnoGet();
return (&attrstat);
}
attrstat *
nfsproc_setattr_2(sattrargs * sattrargp, struct svc_req * reqp)
{
static attrstat attrstat;
struct stat filestat;
vxfh_t *vxfhp;
char *pathp;
mysattr_t *msp;
struct sattr *sp;
nfsd_debug("setattr: mode %x uid %x gid %x sz %x atime %x mtime %x\n",
sattrargp->attributes.mode,
sattrargp->attributes.uid,
sattrargp->attributes.gid,
sattrargp->attributes.size,
sattrargp->attributes.atime,
sattrargp->attributes.mtime
);
bzero(&attrstat, sizeof(attrstat));
vxfhp = (vxfh_t *) (&sattrargp->file);
if ((pathp = fh2path(vxfhp)) == NULL) {
attrstat.status = NFSERR_NOENT;
return (&attrstat);
}
if (vxfhp->type == dosFsDrvNum) {
msp = (mysattr_t *) & (vxfhp->opaque[4]);
sp = &sattrargp->attributes;
msp->mode = sp->mode;
msp->uid = sp->uid;
msp->gid = sp->gid;
msp->size = sp->size;
msp->atime = sp->atime.seconds;
msp->mtime = sp->mtime.seconds;
}
attrstat.status = NFS_OK;
return (&attrstat);
}
void *
nfsproc_root_2()
{ /* obsolete */
static char dummy = (char) 0;
nfsd_debug("root\n");
return ((void *) &dummy);
}
diropres *
nfsproc_lookup_2(diropargs * diropargp, struct svc_req * reqp)
{
static diropres diropres;
char fullpath[PATH_MAX + 1];
char *pathp;
vxfh_t *vxfhp;
nfsd_debug("lookup\n");
bzero(&diropres, sizeof(diropres));
vxfhp = (vxfh_t *) & (diropargp->dir);
if ((pathp = fh2path(vxfhp)) == NULL) {
diropres.status = NFSERR_NOENT;
return (&diropres);
}
vxfhp = (vxfh_t *) & diropres.diropres_u.diropres.file;
if (pathCat(pathp, diropargp->name, fullpath) == OK &&
newfh(vxfhp, fullpath) == OK &&
get_attrstat(fullpath,
&diropres.diropres_u.diropres.attributes,
vxfhp) == OK) {
diropres.status = NFS_OK;
return (&diropres);
}
diropres.status = NFSERR_NOENT;
return (&diropres);
}
readlinkres *
nfsproc_readlink_2(nfs_fh * fhp, struct svc_req * reqp)
{
static readlinkres readlinkres;
nfsd_debug("linkres\n");
bzero(&readlinkres, sizeof(readlinkres));
readlinkres.status = NFS_OK;
return (&readlinkres);
}
readres *
nfsproc_read_2(readargs * readargp, struct svc_req * reqp)
{
static readres readres;
int fd;
char *pathp;
nfsd_debug("read\n");
bzero(&readres, sizeof(readres));
if ((pathp = fh2path((vxfh_t *) & (readargp->file))) == NULL) {
readres.status = NFSERR_NOENT;
return (&readres);
}
if ((fd = open((char *) pathp, O_RDONLY, 0)) < 0) {
readres.status = NFSERR_NXIO;
return (&readres);
}
if (lseek(fd, readargp->offset, SEEK_SET) < 0 ||
(readres.readres_u.reply.data.data_len =
read(fd, nfsd_buffer, readargp->count)) < 0 ||
get_attrstat(pathp, &readres.readres_u.reply.attributes,
(vxfh_t *) & (readargp->file)) != OK) {
readres.status = NFSERR_IO;
close(fd);
return (&readres);
}
readres.status = NFS_OK;
readres.readres_u.reply.data.data_val = nfsd_buffer;
close(fd);
return (&readres);
}
void *
nfsproc_writecache_2()
{ /* future -- nfs v.3 */
static char dummy = (char) 0;
nfsd_debug("writecache\n");
return ((void *) &dummy);
}
attrstat *
nfsproc_write_2(writeargs * writeargp, struct svc_req * reqp)
{
static attrstat attrstat;
int fd;
char *pathp;
vxfh_t *vxfhp;
nfsd_debug("write\n");
bzero(&attrstat, sizeof(attrstat));
vxfhp = (vxfh_t *) & (writeargp->file);
if ((pathp = fh2path(vxfhp)) == NULL) {
attrstat.status = NFSERR_NOENT;
return (&attrstat);
}
if ((fd = open((char *) pathp, O_WRONLY, 0)) < 0) {
attrstat.status = NFSERR_NXIO;
nfsd_debugno();
return (&attrstat);
}
nfsd_debug("writearg begoff %d off %d totlen %d len %d\n",
writeargp->beginoffset, /* unused */
writeargp->offset,
writeargp->totalcount, /* unused */
writeargp->data.data_len);
if (lseek(fd, writeargp->offset, SEEK_SET) < 0 ||
write(fd, writeargp->data.data_val,
writeargp->data.data_len) < 0) {
nfsd_debugno();
attrstat.status = NFSERR_IO;
close(fd);
return (&attrstat);
}
close(fd);
if (get_attrstat((char *) pathp,
&(attrstat.attrstat_u.attributes), vxfhp) != OK) {
attrstat.status = errnoGet();
return (&attrstat);
}
attrstat.status = NFS_OK;
return (&attrstat);
}
diropres *
nfsproc_create_2(createargs * createargp, struct svc_req * reqp)
{
static diropres diropres;
struct stat stat_holder;
char *pathp;
char fullpath[PATH_MAX];
vxfh_t *vxfhp;
int fd;
nfsd_debug("create\n");
bzero(&diropres, sizeof(diropres));
vxfhp = (vxfh_t *) & (createargp->where.dir);
if ((pathp = fh2path(vxfhp)) == NULL) {
diropres.status = NFSERR_NOENT;
return (&diropres);
}
if (pathCat(pathp, createargp->where.name, fullpath) != OK) {
diropres.status = errnoGet();
return (&diropres);
}
if (stat(fullpath, &stat_holder) == OK) {
diropres.status = NFSERR_EXIST;
return (&diropres);
}
nfsd_debug("creat: mode %x uid %x gid %x sz %x atime %x mtime %x\n",
createargp->attributes.mode,
createargp->attributes.uid,
createargp->attributes.gid,
createargp->attributes.size,
createargp->attributes.atime,
createargp->attributes.mtime
);
if ((fd = open(fullpath, O_RDWR | O_CREAT | O_TRUNC,
createargp->attributes.mode)) < 0) {
diropres.status = errnoGet();
return (&diropres);
}
if (vxfhp->type == rt11FsDrvNum) {
lseek(fd, rt11_create_size, SEEK_SET);
write(fd, "$", 1);
}
close(fd);
vxfhp = (vxfh_t *) & diropres.diropres_u.diropres.file;
if (newfh(vxfhp, fullpath) == OK &&
get_attrstat(fullpath,
&diropres.diropres_u.diropres.attributes,
vxfhp) == OK) {
diropres.status = NFS_OK;
return (&diropres);
}
diropres.status = errnoGet();
return (&diropres);
}
nfsstat *
nfsproc_remove_2(diropargs * diropargp, struct svc_req * reqp)
{
static nfsstat nfsstat;
vxfh_t *vxfhp;
char *pathp;
char fullpath[PATH_MAX + 1];
nfsd_debug("remove\n");
bzero(&nfsstat, sizeof(nfsstat));
vxfhp = (vxfh_t *) & (diropargp->dir);
if ((pathp = fh2path(vxfhp)) == NULL) {
nfsstat = NFSERR_NOENT;
return (&nfsstat);
}
if (pathCat(pathp, diropargp->name, fullpath) == ERROR) {
nfsstat = NFSERR_IO;
return (&nfsstat);
}
nfsd_debug("remove: path <%s>\n", fullpath);
if (remove(fullpath) == ERROR) {
nfsstat = NFSERR_NOENT;
nfsd_debugno();
return (&nfsstat);
}
if (symRemove(nfsd_pathtab, fullpath,
(SYM_TYPE) NFSD_MSDOS_TYPE) != OK) {
nfsstat = NFSERR_IO; /* XXX bogus */
nfsd_debugno();
return (&nfsstat);
}
nfsstat = NFS_OK;
return (&nfsstat);
}
nfsstat *
nfsproc_rename_2(renameargs * renameargp, struct svc_req * reqp)
{
static nfsstat nfsstat;
char *pathp;
char from[PATH_MAX];
char to[PATH_MAX];
vxfh_t *vxfhp;
nfsd_debug("rename\n");
bzero(&nfsstat, sizeof(nfsstat));
vxfhp = (vxfh_t *) & (renameargp->from);
if ((pathp = fh2path(vxfhp)) == NULL) {
nfsstat = NFSERR_NOENT;
return (&nfsstat);
}
if (pathCat(pathp, renameargp->from.name, from) == ERROR) {
nfsstat = NFSERR_IO;
return (&nfsstat);
}
vxfhp = (vxfh_t *) & (renameargp->to);
if ((pathp = fh2path(vxfhp)) == NULL) {
nfsstat = NFSERR_NOENT;
return (&nfsstat);
}
if (pathCat(pathp, renameargp->to.name, to) == ERROR) {
nfsstat = NFSERR_IO;
return (&nfsstat);
}
if (rename(from, to) == ERROR) {
nfsstat = errnoGet();
return (&nfsstat);
}
nfsstat = NFS_OK;
return (&nfsstat);
}
nfsstat *
nfsproc_link_2(linkargs * linkargp, struct svc_req * reqp)
{
static nfsstat nfsstat;
nfsd_debug("link\n");
bzero(&nfsstat, sizeof(nfsstat));
return (&nfsstat);
}
nfsstat *
nfsproc_symlink_2(symlinkargs * symlinkargp, struct svc_req * reqp)
{
static nfsstat nfsstat;
nfsd_debug("symlink\n");
bzero(&nfsstat, sizeof(nfsstat));
return (&nfsstat);
}
diropres *
nfsproc_mkdir_2(createargs * createargp, struct svc_req * reqp)
{
static diropres diropres;
vxfh_t *vxfhp;
char *pathp;
struct stat stat_holder;
char fullpath[PATH_MAX];
nfsd_debug("mkdir\n");
bzero(&diropres, sizeof(diropres));
vxfhp = (vxfh_t *) & (createargp->where.dir);
if (vxfhp->type != dosFsDrvNum) {
diropres.status = NFSERR_IO; /* XXX bogus */
return (&diropres);
}
if ((pathp = fh2path(vxfhp)) == NULL) {
diropres.status = NFSERR_NOENT;
return (&diropres);
}
if (pathCat(pathp, createargp->where.name, fullpath) != OK) {
diropres.status = errnoGet();
return (&diropres);
}
if (stat(fullpath, &stat_holder) == OK) {
diropres.status = NFSERR_EXIST;
return (&diropres);
}
nfsd_debug("mkdir: attrib.mode 0%o\n", createargp->attributes.mode);
if (mkdir(fullpath) == ERROR) {
diropres.status = errnoGet();
return (&diropres);
}
if (newfh(vxfhp, fullpath) == OK &&
get_attrstat(fullpath,
&diropres.diropres_u.diropres.attributes,
vxfhp) == OK) {
diropres.status = NFS_OK;
return (&diropres);
}
diropres.status = errnoGet();
return (&diropres);
}
nfsstat *
nfsproc_rmdir_2(diropargs * diropargp, struct svc_req * reqp)
{
static nfsstat nfsstat;
vxfh_t *vxfhp;
char *pathp;
char fullpath[PATH_MAX + 1];
nfsd_debug("rmdir\n");
bzero(&nfsstat, sizeof(nfsstat));
vxfhp = (vxfh_t *) & (diropargp->dir);
if (vxfhp->type != dosFsDrvNum) {
nfsstat = NFSERR_IO; /* XXX bogus */
return (&nfsstat);
}
if ((pathp = fh2path(vxfhp)) == NULL) {
nfsstat = NFSERR_NOENT;
return (&nfsstat);
}
if (pathCat(pathp, diropargp->name, fullpath) == ERROR) {
nfsstat = NFSERR_IO;
return (&nfsstat);
}
nfsd_debug("rmdir: path <%s>\n", fullpath);
if (rmdir(fullpath) == ERROR) {
nfsstat = NFSERR_NOENT;
nfsd_debugno();
return (&nfsstat);
}
nfsstat = NFS_OK;
if (symRemove(nfsd_pathtab, fullpath,
(SYM_TYPE) NFSD_MSDOS_TYPE) != OK) {
nfsstat = NFSERR_IO; /* XXX bogus */
nfsd_debugno();
return (&nfsstat);
}
return (&nfsstat);
}
struct entry nfsd_direntries[128]; /* XXX yucko! */
readdirres *
nfsproc_readdir_2(readdirargs * readdirargp, struct svc_req * reqp)
{
static readdirres readdirres;
DIR *dirp;
struct dirent *direntp;
char *pathp;
vxfh_t *vxfhp;
int fd;
REQ_DIR_ENTRY rde;
struct dirlist *repp;
entry **enp;
int ix;
int entnum;
nfsd_debug("readdir\n");
bzero(&readdirres, sizeof(readdirres));
vxfhp = (vxfh_t *) & (readdirargp->dir);
if ((pathp = fh2path(vxfhp)) == NULL) {
readdirres.status = errnoGet();
return (&readdirres);
}
fd = open(pathp, O_RDONLY, 0);
if (fd < 0) {
readdirres.status = errnoGet();
return (&readdirres);
}
repp = &readdirres.readdirres_u.reply;
enp = &repp->entries;
readdirargp->count = min(readdirargp->count, NFS_MAXDATA);
nfsd_debug("readdir: path <%s> cookie %d count %d\n",
pathp,
*(int *) (&(readdirargp->cookie)),
readdirargp->count);
if (vxfhp->type == rt11FsDrvNum) {
for (rde.entryNum = *(int *) (&(readdirargp->cookie)), ix = 0;
ioctl(fd, FIODIRENTRY, (int) &rde) == OK &&
ix < sizeof(nfsd_buffer) &&
ix < readdirargp->count;
rde.entryNum++) {
*enp = &nfsd_direntries[rde.entryNum];
(*enp)->fileid = rde.entryNum + 1;
(*enp)->name = &nfsd_buffer[ix];
strcpy((*enp)->name, rde.name);
ix += strlen(rde.name) + 1;
*(int *) (&((*enp)->cookie)) = rde.entryNum + 1;
enp = &((*enp)->nextentry);
}
*enp = NULL;
repp->eof = TRUE; /* XXX */
close(fd);
nfsd_debug("readdir: entryNum %d ix %d\n", rde.entryNum, ix);
readdirres.status = NFS_OK;
} else if (vxfhp->type == dosFsDrvNum) {
close(fd);
if ((dirp = opendir(pathp)) == NULL) {