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32780f7403
mars-nwe/namspace.c
Mario Fetka 32780f7403 mars_nwe-0.97.pl04
2011-11-13 00:38:56 +01:00

1164 lines
36 KiB
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/* namspace.c 13-May-96 : NameSpace Services, mars_nwe */
/* !!!!!!!!!!!! NOTE !!!!!!!!!! */
/* Its very dirty till now. */
/* namespace calls should be only activated for testings */
/* (C)opyright (C) 1993,1996 Martin Stover, Marburg, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "net.h"
#include <dirent.h>
#include <utime.h>
#ifndef LINUX
#include <errno.h>
#endif
#include "nwvolume.h"
#include "connect.h"
#include "nwfile.h"
#include "unxfile.h"
#include "namspace.h"
#if WITH_NAME_SPACE_CALLS
#define NW_PATH /* */
typedef struct {
int volume; /* Volume Number */
int has_wild; /* fn has wildcards */
struct stat statb; /* stat buff */
uint8 *fn; /* points to last entry of path */
uint8 path[512]; /* path + fn */
} N_NW_PATH;
typedef struct {
DIR *fdir; /* for dir searches */
uint8 *kpath; /* points one after unixname */
uint8 *unixname; /* is allocates fullname of path */
/* + 257 Byte for filename. */
} DIR_SEARCH_STRUCT;
typedef struct {
uint32 basehandle;
int namespace; /* namespace of this entry */
int slot; /* act slot in table */
int locked; /* if locked then do not remove */
DIR_SEARCH_STRUCT *dir; /* for dir searches */
N_NW_PATH nwpath;
} DIR_BASE_ENTRY;
static DIR_BASE_ENTRY *dir_base[MAX_DIR_BASE_ENTRIES];
static int anz_dbe = 0;
static void init_nwpath(N_NW_PATH *nwpath)
{
nwpath->volume = -1;
nwpath->has_wild = 0;
nwpath->fn = nwpath->path;
*(nwpath->path) = '\0';
}
static char *xnwpath_2_unix(N_NW_PATH *nwpath, int modus,
int allocate_extra, uint8 *extra_path)
/*
* returns complete UNIX path
* modus & 1 : ignore fn, (only path)
* modus & 2 : no '/' at end
*
* if allocate_extra > 0, then the returned buffer must be
* deallocated later
*/
{
static char *last_unixname=NULL;
char *unixname;
int len;
int volume = nwpath->volume;
int len_extra = (extra_path) ? strlen(extra_path) : 0;
char *p, *pp;
if (volume < 0 || volume >= used_nw_volumes || !nw_volumes[volume].unixnamlen ) {
char *errorstr="Z/Z/Z";
errorp(0, "xnwpath_2_unix", "volume=%d not ok", volume);
len = strlen(errorstr);
unixname=xmalloc(len_extra+allocate_extra+len+10);
strcpy(unixname, errorstr);
} else {
int m = ((modus & 1) && nwpath->fn > nwpath->path) /* last path = fn */
? nwpath->fn - nwpath->path
: strlen((char*)nwpath->path);
len = nw_volumes[volume].unixnamlen;
unixname=xmalloc(len_extra+allocate_extra+m+len+10);
memcpy(unixname, nw_volumes[volume].unixname, len);
/* first UNIXNAME VOLUME */
p = pp = unixname+len;
memcpy(p, nwpath->path, m); /* path or partiell path */
len += m;
p += m;
if ((modus & 2) && *(p-1) == '/' ) {
if (p > unixname+1) {
--p;
--len;
} else {
*p++ = '.';
++len;
}
} else if (len_extra) {
if (*(p-1) != '/') {
*p++='/';
len++;
}
memcpy(p, extra_path, len_extra);
p += len_extra;
len += len_extra;
}
*p = '\0';
if (nw_volumes[volume].options & VOL_OPTION_DOWNSHIFT)
downstr((uint8*)pp);
}
if (!allocate_extra) {
xfree(last_unixname);
last_unixname=unixname;
}
return(unixname);
}
#define nwpath_2_unix(nwpath, modus) \
xnwpath_2_unix((nwpath), (modus), 0, NULL)
#define nwpath_2_unix1(nwpath, modus, extrabytes) \
xnwpath_2_unix((nwpath), (modus), (extrabytes), NULL)
#define nwpath_2_unix2(nwpath, modus, extrabytes, extrastr) \
xnwpath_2_unix((nwpath), (modus), (extrabytes), extrastr)
static void free_dbe_dir(DIR_BASE_ENTRY *dbe)
{
DIR_SEARCH_STRUCT *d = dbe->dir;
if (NULL != d) {
if (d->fdir) closedir(d->fdir);
xfree(d->unixname);
xfree(dbe->dir);
}
}
static int allocate_dbe_dir(DIR_BASE_ENTRY *dbe)
{
DIR_SEARCH_STRUCT *d=(DIR_SEARCH_STRUCT*) xcmalloc(sizeof(DIR_SEARCH_STRUCT));
if (dbe->dir) free_dbe_dir(dbe);
dbe->dir = d;
d->unixname = (uint8*)nwpath_2_unix1(&(dbe->nwpath), 2, 258);
XDPRINTF((4, 0, "UNIXNAME='%s'", d->unixname));
d->fdir = opendir(d->unixname);
if (NULL == d->fdir) {
free_dbe_dir(dbe);
return(-0xff);
} else {
d->kpath = d->unixname+strlen(d->unixname);
*(d->kpath) = '/';
*(++(d->kpath)) = '\0';
return(0);
}
}
static void free_dbe_ptr(DIR_BASE_ENTRY *dbe)
{
if (dbe != (DIR_BASE_ENTRY*)NULL) {
free_dbe_dir(dbe);
xfree(dbe);
}
}
static int base_open_seek_dir(DIR_BASE_ENTRY *dbe, uint32 offset)
{
int result = ((dbe->nwpath.statb.st_mode & S_IFMT) != S_IFDIR) ? -0xff : 0;
if (!result) {
if (offset == MAX_U32) {
free_dbe_dir(dbe);
offset = 0L;
}
if (NULL == dbe->dir) result=allocate_dbe_dir(dbe);
if (result > -1) seekdir(dbe->dir->fdir, offset);
}
if (result < 0 && NULL != dbe->dir) free_dbe_dir(dbe);
XDPRINTF((3, 0, "base_open_seek_dir offset=%d, result=%d", offset, result));
return(result);
}
static DIR_BASE_ENTRY *allocate_dbe_p(int namespace)
/* returns new allocated dir_base_entry */
{
int j=-1;
int to_use=-1;
DIR_BASE_ENTRY **pdbe=(DIR_BASE_ENTRY**) NULL;
if (namespace) return(NULL); /* TODO: more namespaces */
while (++j < anz_dbe && NULL != *(pdbe = &(dir_base[j])) ){
if (to_use < 0 && !(*pdbe)->basehandle && !(*pdbe)->locked) to_use=j;
}
if (j == anz_dbe) {
if (anz_dbe == MAX_DIR_BASE_ENTRIES) { /* return(-0xff); */
if (to_use > -1) j=to_use;
else while (j--) {
pdbe = &(dir_base[j]);
if (!(*pdbe)->locked) break; /* remove last not locked from list */
}
free_dbe_ptr(*pdbe);
} else pdbe = &(dir_base[anz_dbe++]);
}
*pdbe = (DIR_BASE_ENTRY*)xcmalloc(sizeof(DIR_BASE_ENTRY));
(*pdbe)->namespace = namespace;
(*pdbe)->slot = j;
init_nwpath(&((*pdbe)->nwpath));
return(*pdbe);
}
static void xx_free_dbe_p(DIR_BASE_ENTRY **dbe)
{
if (NULL != dbe && NULL != *dbe) {
int slot = (*dbe)->slot;
free_dbe_ptr(*dbe);
dir_base[slot] = *dbe = (DIR_BASE_ENTRY*)NULL;
if (slot+1 == anz_dbe) {
while (anz_dbe && ((DIR_BASE_ENTRY*)NULL == dir_base[anz_dbe-1]) )
--anz_dbe;
}
}
}
#define free_dbe_p(dbe) xx_free_dbe_p(&(dbe))
#define free_dbe(dbase) \
xx_free_dbe_p(((dbase) > -1 && (dbase) < anz_dbe) ? &(dir_base[dbase]) : NULL)
static int touch_handle_entry_p(DIR_BASE_ENTRY *dbe)
/* routine touchs this entry and returns the new offset */
{
int dbase = (NULL != dbe) ? dbe->slot : -1;
XDPRINTF((4, 0, "touch_handle_entry entry dbase=%d", dbase));
if (dbase > 2) {
DIR_BASE_ENTRY **dbp=&(dir_base[dbase]);
while (dbase--) {
*dbp = *(dbp-1);
if (*dbp) (*dbp)->slot = dbase+1;
--dbp;
}
dbase=0;
dir_base[0] = dbe;
dbe->slot = 0;
}
XDPRINTF((4, 0, "touch_handle_entry return dbase=%d", dbase));
return(dbase);
}
#define touch_handle_entry(dbase) \
touch_handle_entry_p(((dbase) > -1 && (dbase) < anz_dbe) ? dir_base[dbase] : NULL)
char *debug_nwpath_name(N_NW_PATH *p)
/* only for debugging */
{
#if DO_DEBUG
static char *nwpathname=NULL;
char volname[300];
int len;
if (nw_get_volume_name(p->volume, volname) < 1)
sprintf(volname, "<%d=NOT-OK>", (int)p->volume);
len = strlen(volname) + strlen(p->path) + strlen(p->fn) + 30;
xfree(nwpathname);
nwpathname=xmalloc(len);
sprintf(nwpathname, "`%s:%s`,fn=`%s`", volname, p->path, p->fn);
#else
static char nwpathname[2];
nwpathname[0]='\0';
nwpathname[1]='\0';
#endif
return(nwpathname);
}
static int get_comp_pathes_size(NW_HPATH *nwp, uint8 *pp_pathes)
/* returns size of path components in bytes */
{
int k = -1;
int size = 0;
while (++k < nwp->components) {
int len = (int) *(pp_pathes++);
pp_pathes+= len;
size += len;
size++;
}
return(size);
}
static int add_hpath_to_nwpath(N_NW_PATH *nwpath,
NW_HPATH *nwp, uint8 *pp_pathes)
/* Routine adds nwp to nwpath */
/* nwpath must be setup correctly before entry */
/* return > -1 if ok */
{
int result = 0;
int k = -1;
uint8 *pp = nwpath->path+strlen(nwpath->path);
XDPRINTF((2, 0, "entry add_hpath_to_nwpath: %s",
debug_nwpath_name(nwpath)));
while (!result && ++k < nwp->components) {
int len = (int) *(pp_pathes++);
uint8 *p = pp_pathes;
pp_pathes+=len;
if (!k && nwpath->volume == -1) { /* first component is volume */
if ((nwpath->volume=nw_get_volume_number(p, len)) < 0) {
result = nwpath->volume;
goto leave_build_nwpath;
}
} else { /* here is path (+ fn ) */
int i=len;
if (pp > nwpath->path) { /* not the first entry */
*pp='/';
*++pp='\0';
}
while (i--) {
if (*p == 0xae) *pp++ = '.';
else if (*p > 0x60 && *p < 0x7b) {
*pp++ = *p - 0x20; /* all is upshift */
} else if (*p == 0xaa || *p == '*' ) {
*pp++ = '*';
nwpath->has_wild++;
} else if (*p == 0xbf || *p == '?' ) {
*pp++ = '?';
nwpath->has_wild++;
} else if (*p == '/' || *p == '\\') {
*pp++ = '/';
} else if (*p == ':') { /* extract volume */
int vlen = (int) (pp - nwpath->path);
if ((nwpath->volume=nw_get_volume_number(nwpath->path, vlen)) < 0) {
result = nwpath->volume;
goto leave_build_nwpath;
}
pp=nwpath->path;
*pp='\0';
} else *pp++ = *p;
p++;
} /* while */
*pp = '\0';
} /* else */
} /* while */
if (nwpath->volume < 0) result=-0x9c;
leave_build_nwpath:
XDPRINTF((2, 0, "add_hpath_to_nwpath: result=0x%x, %s",
result, debug_nwpath_name(nwpath)));
return(result);
}
static int nwp_stat(N_NW_PATH *nwpath, char *debstr)
{
uint8 *uname=nwpath_2_unix1(nwpath, 2, 1);
int result=stat(uname, &(nwpath->statb));
if (nw_debug) {
char xdebstr[2];
if (!debstr) {
xdebstr[0]='\0';
debstr = xdebstr;
}
XDPRINTF((4, 0, "nwp_stat:%s:%d,`%s`",
debstr,
result,
debug_nwpath_name(nwpath)));
}
xfree(uname);
return(result);
}
static uint32 build_base_handle(N_NW_PATH *nwpath, int namespace)
/* returns basehandle of path, or 0 if not exist !! */
/* nwpath must be filled, namespace must be specified */
{
uint32 basehandle=0L;
if (!nwp_stat(nwpath, "build_base_handle")) {
DEV_NAMESPACE_MAP dnm;
dnm.dev = nwpath->statb.st_dev;
dnm.namespace = namespace;
basehandle = nw_vol_inode_to_handle(nwpath->volume,
nwpath->statb.st_ino,
&dnm);
}
return(basehandle);
}
static int find_base_entry(int volume, uint32 basehandle)
{
int k=-1;
while (++k < anz_dbe) {
DIR_BASE_ENTRY *e=dir_base[k];
if ( (DIR_BASE_ENTRY*)NULL != e
&& basehandle == e->basehandle
&& volume == e->nwpath.volume) return(k);
}
return(-0x9b);
}
static int insert_get_base_entry(DIR_BASE_ENTRY *dbe,
int namespace, int creatmode)
{
N_NW_PATH *nwpath = &(dbe->nwpath);
uint32 basehandle = build_base_handle(nwpath, namespace);
if (!basehandle && creatmode) { /* now creat the entry (file or dir) */
int result = 0;
char *unname = nwpath_2_unix(nwpath, 2);
if (get_volume_options(nwpath->volume, 1) &
VOL_OPTION_READONLY) return(-0x8a);
if (creatmode & FILE_ATTR_DIR) {
/* creat dir */
if (mkdir(unname, 0777)) result=-0x84;
} else {
/* creat file */
if ((result = creat(unname, 0777)) > -1) {
close(result);
result = 0;
} else result=-0x84;
}
if (result) return(result);
basehandle = build_base_handle(nwpath, namespace);
}
if (basehandle) {
int k=-1;
while (++k < anz_dbe) {
DIR_BASE_ENTRY *e=dir_base[k];
if ( (DIR_BASE_ENTRY*)NULL != e
&& basehandle == e->basehandle
&& nwpath->volume == e->nwpath.volume) {
free_dbe_p(e);
dbe->basehandle = basehandle;
return(touch_handle_entry_p(dbe));
}
} /* while */
/* now i know that it's a new base entry */
dbe->basehandle = basehandle;
return(touch_handle_entry_p(dbe));
}
return(-0xff); /* invalid path = -0x9c, -0xff no matching files */
}
static int build_dos_base(NW_HPATH *nwp,
uint8 *pathes,
DIR_BASE_ENTRY *dbe,
int mode,
uint8 *rets)
/* routine returns the actual dbe entry offset or */
/* < 0 if error */
/* if mode == 1, then last_path will be ignored and will be put */
/* into the rets variable */
{
N_NW_PATH *nwpath=&(dbe->nwpath);
int result=0;
if (!nwp->flag) { /* short handle */
int dir_handle = nwp->base[0];
if (dir_handle > 0 && --dir_handle < (int)used_dirs
&& dirs[dir_handle].inode) {
int llen = strlen(dirs[dir_handle].path);
nwpath->volume = dirs[dir_handle].volume;
memcpy(nwpath->path, dirs[dir_handle].path, llen+1);
if (llen && *(nwpath->path + llen -1) == '/')
*(nwpath->path+llen-1) = '\0';
result = (nwpath->volume > -1) ? 0 : -0x98;
} else result = -0x9b;
} else if (nwp->flag == 1) { /* basehandle */
uint32 basehandle = GET_32(nwp->base);
int k = -1;
result = -0x9b; /* here wrong dir_handle should mean wrong basehandle */
while (++k < anz_dbe) {
if (k != dbe->slot) {
DIR_BASE_ENTRY *e=dir_base[k];
if ( (DIR_BASE_ENTRY*)NULL != e
&& e->nwpath.volume == nwp->volume
&& e->basehandle == basehandle) {
nwpath->volume = e->nwpath.volume;
strcpy(nwpath->path, e->nwpath.path);
result = (nwpath->volume > -1) ? 0 : -0x98;
break;
}
}
}
} else if (nwp->flag != 0xff) result=-0xff;
if (!result) {
if ((result = add_hpath_to_nwpath(nwpath, nwp, pathes)) > -1) {
char *pp=strrchr((char*)nwpath->path, '/');
if (mode) {
if (pp) {
if (rets) strcpy(rets, pp+1);
*(pp)=0;
pp=strrchr((char*)nwpath->path, '/');
} else {
if (rets) strcpy(rets, nwpath->path);
*(nwpath->path) = '\0';
}
}
nwpath->fn = (pp) ? (uint8*)pp+1 : nwpath->path;
result = insert_get_base_entry(dbe, NAME_DOS, 0);
}
}
return(result);
}
int nw_generate_dir_path(int namespace,
NW_HPATH *nwp,
uint8 *ns_dir_base,
uint8 *dos_dir_base)
/* returns Volume Number >=0 or errcode < 0 if error */
{
DIR_BASE_ENTRY *dbe=allocate_dbe_p(namespace);
int result = -0xfb;
if (NULL != dbe) {
if ((result = build_dos_base(nwp, nwp->pathes, dbe, 0, NULL)) > -1) {
U32_TO_32(dbe->basehandle, ns_dir_base); /* LOW - HIGH */
U32_TO_32(dbe->basehandle, dos_dir_base);
XDPRINTF((3, 0, "nw_generate_dir_path path=%s, result=%d, basehandle=0x%x",
debug_nwpath_name(&(dbe->nwpath)), result, dbe->basehandle));
result= dbe->nwpath.volume;
} else free_dbe_p(dbe);
}
if (result < 0) {
XDPRINTF((3, 0, "nw_generate_dir_path NOT OK result=-0x%x", -result));
}
return(result);
}
static int build_dir_info(DIR_BASE_ENTRY *dbe, uint32 infomask, uint8 *p)
{
N_NW_PATH *nwpath=&(dbe->nwpath);
struct stat *stb=&(nwpath->statb);
int result = 76;
memset(p, 0, result);
if (infomask & INFO_MSK_DATA_STREAM_SPACE) {
U32_TO_32(stb->st_size, p);
}
p += 4;
if (infomask & INFO_MSK_ATTRIBUTE_INFO) {
uint32 mask=0L;
if (S_ISDIR(stb->st_mode)) mask |= FILE_ATTR_DIR;
U32_TO_32(mask, p);
p += 4;
U16_TO_16((uint16)(mask & 0xFFFF), p);
p +=2;
} else p+=6;
if (infomask & INFO_MSK_DATA_STREAM_SIZE) {
U32_TO_32(stb->st_size, p);
}
p +=4;
if (infomask & INFO_MSK_TOTAL_DATA_STREAM_SIZE) {
U32_TO_32(stb->st_size, p);
p +=4;
U16_TO_16(0, p);
p +=2;
} else p+=6;
if (infomask & INFO_MSK_CREAT_INFO) {
xun_time_2_nw(stb->st_mtime, p);
p +=2;
xun_date_2_nw(stb->st_mtime, p);
p +=2;
U32_TO_32(1, p);
p +=4;
} else p+=8;
if (infomask & INFO_MSK_MODIFY_INFO) {
xun_time_2_nw(stb->st_mtime, p);
p +=2;
xun_date_2_nw(stb->st_mtime, p);
p +=2;
U32_TO_32(1, p);
p +=4;
xun_date_2_nw(stb->st_atime, p); /* access date */
p +=2;
} else p+=10;
if (infomask & INFO_MSK_ARCHIVE_INFO) {
xun_time_2_nw(0, p);
p +=2;
xun_date_2_nw(0, p);
p +=2;
U32_TO_32(0, p);
p +=4;
} else p+=8;
if (infomask & INFO_MSK_RIGHTS_INFO) {
U16_TO_16(0, p);
}
p +=2;
if (infomask & INFO_MSK_DIR_ENTRY_INFO) {
U32_TO_32(dbe->basehandle, p);
p +=4;
U32_TO_32(dbe->basehandle, p);
p +=4;
U32_TO_32(nwpath->volume, p);
p +=4;
} else p+=12;
if (infomask & INFO_MSK_EXT_ATTRIBUTES) {
U32_TO_32(0, p); /* Ext Attr Data Size */
p +=4;
U32_TO_32(0, p); /* Ext Attr Count */
p +=4;
U32_TO_32(0, p); /* Ext Attr Key Size */
p +=4;
} else p+=12;
if (infomask & INFO_MSK_NAME_SPACE_INFO){
U32_TO_32(0, p); /* Creator of the name space number */
}
p +=4;
/* ---------------------------------------------- */
if (infomask & INFO_MSK_ENTRY_NAME) {
*p = (uint8) strlen(nwpath->fn);
result++;
if (*p) {
memcpy(p+1, nwpath->fn, (int) *p);
result += (int) *p;
}
}
XDPRINTF((3, 0, "build_dir_info:path=%s, result=%d, basehandle=0x%x, mask=0x%lx",
debug_nwpath_name(nwpath), result, dbe->basehandle, infomask));
return(result);
}
int nw_optain_file_dir_info(int namespace, NW_HPATH *nwp,
int destnamspace,
int searchattrib, uint32 infomask,
uint8 *responsedata)
/* returns sizeof info_mask
* the sizeof info_mask is NOT related by the infomask.
* But the _valid_ info is.
*/
{
DIR_BASE_ENTRY *dbe = allocate_dbe_p(namespace);
int result = -0xfb;
if (NULL != dbe) {
if ((result = build_dos_base(nwp, nwp->pathes, dbe, 0, NULL)) > -1) {
nwp_stat(&(dbe->nwpath), "nw_optain_file_dir_info");
result = build_dir_info(dbe, infomask, responsedata);
} else free_dbe_p(dbe);
}
if (result < 0) {
XDPRINTF((3, 0, "nw_optain_file_dir_info NOT OK result=-0x%x", -result));
}
return(result);
}
static int nw_init_search(int namespace,
NW_HPATH *nwp,
uint8 *responsedata)
{
DIR_BASE_ENTRY *dbe=allocate_dbe_p(namespace);
int result = -0xfb;
if (NULL != dbe) {
if ((result = build_dos_base(nwp, nwp->pathes, dbe, 0, NULL)) > -1) {
result = base_open_seek_dir(dbe, 0L);
if (result > -1) {
*responsedata++ = dbe->nwpath.volume;
U32_TO_32(dbe->basehandle, responsedata);
responsedata+=4;
U32_TO_32(0L, responsedata); /* searchsequenz */
result = 9;
}
XDPRINTF((3, 0, "nw_init_search path=%s, result=%d, basehandle=0x%x",
debug_nwpath_name(&(dbe->nwpath)), result, dbe->basehandle));
} else free_dbe_p(dbe);
}
if (result < 0) {
XDPRINTF((3, 0, "nw_init_search NOT OK result=%d", result));
}
return(result);
}
int get_add_new_entry(DIR_BASE_ENTRY *qbe, uint8 *path, int creatmode)
{
DIR_BASE_ENTRY *dbe=allocate_dbe_p(qbe->namespace);
if (NULL != dbe) {
N_NW_PATH *nwpath=&(dbe->nwpath);
int result = -0x9c;
nwpath->volume = qbe->nwpath.volume;
strcpy(nwpath->path, qbe->nwpath.path);
nwpath->fn = nwpath->path+strlen(nwpath->path);
if (nwpath->fn > nwpath->path && *(nwpath->fn-1) != '/') {
*(nwpath->fn) = '/';
*(++nwpath->fn) = '\0';
}
strcpy(nwpath->fn, path);
result = insert_get_base_entry(dbe, qbe->namespace, creatmode);
if (result < 0) free_dbe_p(dbe);
return(result);
}
return(-1);
}
int nw_search_file_dir(int namespace, int datastream,
uint32 searchattrib, uint32 infomask,
int volume, uint32 basehandle, uint32 sequence,
int len, uint8 *path, uint8 *responsedata)
{
int result = find_base_entry(volume, basehandle);
if (result > -1) {
DIR_BASE_ENTRY *dbe=dir_base[result];
if ((result = base_open_seek_dir(dbe, sequence)) > -1) {
uint8 entry[256];
struct dirent *dirbuff;
struct stat statb;
int dest_entry=-1;
DIR_SEARCH_STRUCT *ds=dbe->dir;
int vol_options = get_volume_options(volume, 0);
dbe->locked++;
strmaxcpy(entry, path, min(255, len));
if (vol_options & VOL_OPTION_DOWNSHIFT) downstr(entry);
XDPRINTF((5,0,"nw_search_file_dir searchpath=%s", entry));
while ((dirbuff = readdir(ds->fdir)) != (struct dirent*)NULL){
if (dirbuff->d_ino) {
uint8 *name=(uint8*)(dirbuff->d_name);
XDPRINTF((10,0,"nw_search_file_dir Name=%s",
name));
if ( (name[0] != '.' && (
(!strcmp(name, entry)) ||
(entry[0] == '*' && entry[1] == '\0')
|| fn_match(name, entry, vol_options)))) {
strcpy(ds->kpath, name);
XDPRINTF((5,0,"nw_search_file_dir Name found=%s unixname=%s",
name, ds->unixname));
if (!stat(ds->unixname, &statb)) {
int flag= (searchattrib & W_SEARCH_ATTR_ALL) == W_SEARCH_ATTR_ALL;
if (!flag) {
if (S_ISDIR(statb.st_mode))
flag=(searchattrib & FILE_ATTR_DIR);
else
flag = !(searchattrib & FILE_ATTR_DIR);
}
if (flag) {
strcpy(entry, name);
if (vol_options & VOL_OPTION_DOWNSHIFT) upstr(entry);
if ((dest_entry = get_add_new_entry(dbe, entry, 0)) > -1)
break;
}
} else {
XDPRINTF((5,0,"nw_search_file_dir stat error"));
}
}
} /* if */
} /* while */
*(ds->kpath) = '\0';
if (dest_entry > -1) {
DIR_BASE_ENTRY *dest_dbe=dir_base[dest_entry];
(void) nwp_stat(&(dest_dbe->nwpath), "nw_search_file_dir");
sequence = (uint32) telldir(ds->fdir);
*responsedata = (uint8) volume;
responsedata++;
U32_TO_32(basehandle, responsedata);
responsedata+=4;
U32_TO_32(sequence, responsedata);
responsedata+=4;
*responsedata = (uint8) 0; /* reserved */
responsedata++;
result = 10 +
build_dir_info(dest_dbe,
infomask|INFO_MSK_NAME_SPACE_INFO,
responsedata);
} else
result=-0xff; /* no files matching */
dbe->locked=0;
} /* if result */
}
return(result);
}
static int nw_open_creat_file_or_dir(int namespace,
int opencreatmode,
int attrib, uint32 infomask,
uint32 creatattrib,
int access_rights,
NW_HPATH *nwp, uint8 *pathes,
uint8 *responsedata)
{
DIR_BASE_ENTRY *dbe=allocate_dbe_p(namespace);
int result = -0xfb;
if (NULL != dbe) {
int exist=-1;
uint8 last_part[258];
*last_part='\0';
if ((result = build_dos_base(nwp, pathes, dbe, 0, NULL)) > -1) {
exist = result;
} else if (opencreatmode & OPC_MODE_CREAT) {
result = build_dos_base(nwp, pathes, dbe, 1, last_part);
if (result > -1)
result = get_add_new_entry(dbe, last_part,
(creatattrib & FILE_ATTR_DIR) ? FILE_ATTR_DIR : 1);
}
if (result > -1) {
uint32 fhandle=0L;
int actionresult=0;
if (exist < 0) actionresult |= OPC_ACTION_CREAT;
if (!(creatattrib & FILE_ATTR_DIR)) {
int creatmode=0; /* open */
int attrib=0;
if (opencreatmode & (OPC_MODE_OPEN | OPC_MODE_CREAT) ) {
if (opencreatmode & OPC_MODE_CREAT) {
#if 0
if (exist > -1 && !(opencreatmode & OPC_MODE_REPLACE))
creatmode=2;
else
#endif
creatmode = 1;
}
if ((result = file_creat_open(dbe->nwpath.volume,
nwpath_2_unix(&dbe->nwpath, 2), &(dbe->nwpath.statb),
attrib, access_rights, creatmode)) > -1) {
fhandle = (uint32) result;
actionresult |= OPC_ACTION_OPEN; /* FILE OPEN */
if (exist > -1 && (opencreatmode & OPC_MODE_REPLACE))
actionresult |= OPC_ACTION_REPLACE; /* FILE REPLACED */
}
} else result=-0xff;
} else if (exist > -1) result=-0x84;
if (result > -1) {
U32_TO_BE32(fhandle, responsedata);
responsedata += 4;
*responsedata =(uint8) actionresult;
responsedata++ ;
result = 5 + build_dir_info(dbe,infomask, responsedata);
}
} else free_dbe_p(dbe);
}
XDPRINTF((3, 0, "nw_open_creat mode=0x%x, creatattr=0x%x, access=0x%x, attr=0x%x, result=%d",
opencreatmode, creatattrib, access_rights, attrib, result));
return(result);
}
static int nw_delete_file_dir(int namespace, int searchattrib,
NW_HPATH *nwp)
{
DIR_BASE_ENTRY *dbe = allocate_dbe_p(namespace);
int result = -0xfb;
if (dbe != NULL) {
if ((result = build_dos_base(nwp, nwp->pathes, dbe, 0, NULL)) > -1) {
uint8 *unname=(uint8*)nwpath_2_unix(&(dbe->nwpath), 2);
if (get_volume_options(dbe->nwpath.volume, 1) &
VOL_OPTION_READONLY) result = -0x8a;
else {
if (S_ISDIR(dbe->nwpath.statb.st_mode)) {
free_dbe_p(dbe);
result = rmdir(unname);
} else {
if (-1 < (result = unlink(unname)))
free_dbe_p(dbe);
}
if (result < 0) {
switch (errno) {
case EEXIST: result=-0xa0; /* dir not empty */
default: result=-0x8a; /* No privilegs */
}
} else
result = 0;
}
} else free_dbe_p(dbe);
}
return(result);
}
static int nw_alloc_short_dir_handle(int namespace, int hmode,
NW_HPATH *nwp, int task, int *volume)
{
DIR_BASE_ENTRY *dbe=allocate_dbe_p(namespace);
int result = -0xfb;
if (NULL != dbe) {
if ((result = build_dos_base(nwp, nwp->pathes, dbe, 0, NULL)) > -1) {
if (S_ISDIR(dbe->nwpath.statb.st_mode)) {
result=xinsert_new_dir(dbe->nwpath.volume, dbe->nwpath.path,
dbe->nwpath.statb.st_ino, 300, hmode, task);
*volume=dbe->nwpath.volume;
} else result=-0xff;
} else free_dbe_p(dbe);
}
return(result);
}
static int nw_rename_file_dir(int namespace,
NW_HPATH *nwps, uint8 *pathes_s,
NW_HPATH *nwpd, uint8 *pathes_d,
int searchattrib,
int renameflag)
{
DIR_BASE_ENTRY *dbe_s = allocate_dbe_p(namespace);
DIR_BASE_ENTRY *dbe_d = (NULL != dbe_s) ? allocate_dbe_p(namespace) : NULL;
int result = -0xfb;
if (dbe_d &&
(result = build_dos_base(nwps, pathes_s, dbe_s, 0, NULL)) > -1) {
uint8 last_part[258];
uint8 *unname_s=
(uint8*)nwpath_2_unix1(&(dbe_s->nwpath), 2, 1);
if ((result = build_dos_base(nwpd, pathes_d, dbe_d,
1, last_part)) > -1) {
uint8 *unname_d =
(uint8*)nwpath_2_unix2(&(dbe_d->nwpath), 0, 1, last_part);
if (get_volume_options(dbe_s->nwpath.volume, 1) &
VOL_OPTION_READONLY) result= EROFS;
else if (get_volume_options(dbe_d->nwpath.volume, 1) &
VOL_OPTION_READONLY) result= EROFS;
else {
if (S_ISDIR(dbe_s->nwpath.statb.st_mode))
result = unx_mvdir(unname_s, unname_d);
else
result = unx_mvfile(unname_s, unname_d);
}
XDPRINTF((5, 0, "Rename:%d '%s' -> '%s'", result, unname_s, unname_d));
xfree(unname_d);
switch (result) {
case 0 : break;
case EEXIST : result = -0x92; break;
case EROFS : result = -0x8b; break;
default : result = -0x8b;
}
if (!result) {
free_dbe_p(dbe_s);
if ((result=get_add_new_entry(dbe_d, last_part, 0)) > -1)
result = 0;
}
} else free_dbe_p(dbe_d);
xfree(unname_s);
} else free_dbe_p(dbe_s);
return(result);
}
int handle_func_0x57(uint8 *p, uint8 *responsedata, int task)
{
int result = -0xfb; /* unknown request */
int ufunc = (int) *p++; /* now p locates at 4 byte boundary */
int namespace = (int) *p; /* for most calls */
XDPRINTF((3, 0, "0x57 call ufunc=0x%x namespace=%d", ufunc, namespace));
switch (ufunc) {
case 0x01 : /* open creat file or subdir */
{
/* NW PATH STRUC */
int opencreatmode = *(p+1);
int attrib = (int) GET_16(p+2); /* LOW-HI */
uint32 infomask = GET_32(p+4); /* LOW-HI */
uint32 creatattrib = GET_32(p+8);
int access_rights = (int) GET_16(p+12); /* LOW-HI */
NW_HPATH nwpathstruct;
memcpy(&nwpathstruct, p+14, sizeof(nwpathstruct));
result = nw_open_creat_file_or_dir(namespace, opencreatmode,
attrib, infomask, creatattrib, access_rights,
&nwpathstruct, p+21, responsedata);
}
break;
case 0x02 : /* Initialize Search */
{
/* NW PATH STRUC */
NW_HPATH *nwpathstruct = (NW_HPATH *) (p+2);
result = nw_init_search(namespace, nwpathstruct, responsedata);
}
break;
case 0x03 : /* Search for File or DIR */
{
/* NW PATH STRUC */
int datastream = (int) *(p+1);
int searchattrib = (int) GET_16(p+2); /* LOW-HI */
uint32 infomask = GET_32(p+4); /* LOW-HI */
int volume = *(p+8);
uint32 basehandle = GET_32(p+9); /* LOW-HI */
uint32 sequence = GET_32(p+13); /* LOW-HI */
int len = *(p+17);
uint8 *path = p+18;
result = nw_search_file_dir(namespace, datastream,
searchattrib, infomask,
volume, basehandle, sequence,
len, path, responsedata);
}
break;
case 0x04 : /* rename File or Dir */
{
int renameflag = *(p+1);
int searchattrib = (int) GET_16(p+2); /* LOW-HI */
NW_HPATH nwps;
NW_HPATH nwpd;
int size;
p+=4;
memcpy(&nwps, p, 7); p+=7;
memcpy(&nwpd, p, 7); p+=7;
size = get_comp_pathes_size(&nwps, p);
result = nw_rename_file_dir(namespace,
&nwps, p, &nwpd, p+size, searchattrib, renameflag);
}
break;
case 0x06 : /* Obtain File or Subdir Info */
{
int destnamspace = (int) p+1;
int searchattrib = (int) GET_16(p+2); /* LOW-HI */
uint32 infomask = GET_32(p+4); /* LOW-HI */
NW_HPATH *nwpathstruct = (NW_HPATH *) (p+8);
result = nw_optain_file_dir_info(namespace, nwpathstruct,
destnamspace,
searchattrib, infomask,
responsedata);
}
break;
case 0x07 : /* Modify File or Dir Info */
{
}
break;
case 0x08 : /* Delete a File or Subdir */
{
int searchattrib = (int) GET_16(p+2); /* LOW-HI */
NW_HPATH *nwpathstruct = (NW_HPATH *) (p+4);
result = nw_delete_file_dir(namespace, searchattrib, nwpathstruct);
}
break;
case 0x09 : /* Set short Dir Handle*/
{
}
break;
case 0x0c : /* alloc short dir Handle */
{
int hmode = (int) GET_16(p+2); /* 0=p, 1=temp, 2=speztemp */
NW_HPATH *nwp = (NW_HPATH *)(p+4);
struct OUTPUT {
uint8 dir_handle;
uint8 volume;
uint8 reserved[4];
} *xdata= (struct OUTPUT*)responsedata;
int volume;
result = nw_alloc_short_dir_handle(namespace, hmode, nwp, task,
&volume);
if (result > -1) {
xdata->dir_handle = (uint8) result;
xdata->volume = (uint8) volume;
U32_TO_32(0L, xdata->reserved);
result=sizeof(struct OUTPUT);
}
}
break;
case 0x15 : /* Get Path String from short dir new */
{
int dir_handle=(int) *(p+1);
result=nw_get_directory_path(dir_handle, responsedata+1);
if (result > -1) {
*responsedata=(uint8) result;
result+=1;
}
}
break;
case 0x16 : /* Generate Dir BASE and VolNumber */
{
NW_HPATH *nwpathstruct = (NW_HPATH *) (p+4);
struct OUTPUT {
uint8 ns_dir_base[4]; /* BASEHANDLE */
uint8 dos_dir_base[4]; /* BASEHANDLE */
uint8 volume; /* Volumenumber*/
} *xdata= (struct OUTPUT*)responsedata;
result = nw_generate_dir_path(namespace,
nwpathstruct, xdata->ns_dir_base, xdata->dos_dir_base);
if (result >-1 ) {
xdata->volume = result;
result = sizeof(struct OUTPUT);
}
}
break;
case 0x18 : /* Get Name Spaces Loaded*/
{
int volume=*(p+2);
struct OUTPUT {
uint8 anz_name_spaces;
uint8 name_space_list[1];
} *xdata= (struct OUTPUT*)responsedata;
result=get_volume_options(volume, 0);
if (result >-1) {
xdata->anz_name_spaces = (uint8) 1;
xdata->name_space_list[0] = (uint8) NAME_DOS;
result=xdata->anz_name_spaces+1;
}
}
break;
case 0x1a : /* Get Huge NS Info new*/
{
}
break;
case 0x1c : /* GetFullPathString new*/
{
}
break;
case 0x1d : /* GetEffDirRights new */
{
}
break;
default : result = -0xfb; /* unknown request */
} /* switch */
return(result);
}
int handle_func_0x56(uint8 *p, uint8 *responsedata, int task)
/* extended attribute calls */
{
int result = -0xfb; /* unknown request */
int ufunc = (int) *p++; /* now p locates at 4 byte boundary */
XDPRINTF((3, 0, "0x56 call ufunc=0x%x", ufunc));
switch (ufunc) {
#if 0
case 0x03 : /* read extended attribute */
{
int flags = GET_BE16(p);
/* next 2 entries only if flags bits 0-1 = 00 */
int volume = (int)GET_32(p+2);
uint32 basehandle = (int)GET_32(p+6);
struct OUTPUT {
uint8 errorcode[4]; /* ???? */
uint8 ttl_v_length[4]; /* ???? */
uint8 ea_handle[4]; /* ???? */
uint8 access[4]; /* ???? */
uint8 value_length[2]; /* ???? */
uint8 value[2];
} *xdata= (struct OUTPUT*)responsedata;
memset(xdata, 0, sizeof(struct OUTPUT));
/* U32_TO_BE32(1, xdata->errorcode); */
result = sizeof(struct OUTPUT);
}
break;
#endif
default : result = -0xfb; /* unknown request */
} /* switch */
return(result);
}
#endif
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