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/***************************************************************************
$RCSfile$
-------------------
cvs : $Id$
begin : Tue Dec 03 2002
copyright : (C) 2002 by Martin Preuss
email : martin@libchipcard.de

***************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
* MA 02111-1307 USA *
* *
***************************************************************************/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include "directory_p.h"

#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <pwd.h>
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <gwenhywfar/debug.h>


static char gwen_directory_posix__homedir[256];
static int gwen_directory_posix__home_set=0;


GWEN_DIRECTORYDATA *GWEN_Directory_new(){
GWEN_DIRECTORYDATA *d;

GWEN_NEW_OBJECT(GWEN_DIRECTORYDATA, d);
return d;
}


void GWEN_Directory_free(GWEN_DIRECTORYDATA *d){
if (d) {
if (d->handle)
closedir(d->handle);
d->handle=0;
GWEN_FREE_OBJECT(d);
}
}


int GWEN_Directory_Open(GWEN_DIRECTORYDATA *d, const char *n){
assert(d);

d->handle=opendir(n);
if (d->handle==0)
return 1;
return 0;
}


int GWEN_Directory_Close(GWEN_DIRECTORYDATA *d){
int rv;

assert(d);
rv=closedir(d->handle);
d->handle=0;
return rv;
}


int GWEN_Directory_Read(GWEN_DIRECTORYDATA *d,
char *buffer,
unsigned int len){
struct dirent *de;

assert(d);
assert(buffer);
assert(len);
assert(d->handle);

de=readdir(d->handle);
if (de) {
if (len<strlen(de->d_name)+1) {
DBG_ERROR(GWEN_LOGDOMAIN, "Buffer too small");
return 1;
}
strcpy(buffer,de->d_name);
return 0;
}
return 1;
}


int GWEN_Directory_Rewind(GWEN_DIRECTORYDATA *d){
assert(d);
if (d->handle==0)
return 1;
rewinddir(d->handle);
return 0;
}



int GWEN_Directory_GetHomeDirectory(char *buffer, unsigned int size){
if (!gwen_directory_posix__home_set) {
struct passwd *p;

p=getpwuid(geteuid());
if (!p) {
DBG_ERROR(GWEN_LOGDOMAIN, "%s at getpwuid", strerror(errno));
endpwent();
return -1;
}
if (sizeof(gwen_directory_posix__homedir)<strlen(p->pw_dir)+1) {
DBG_ERROR(GWEN_LOGDOMAIN, "Internal: Buffer too small (need %d bytes)",
(int)(strlen(p->pw_dir)+1));
endpwent();
return -1;
}
strcpy(gwen_directory_posix__homedir, p->pw_dir);
gwen_directory_posix__home_set=1;
endpwent();
}

if (size<strlen(gwen_directory_posix__homedir)+1) {
DBG_ERROR(GWEN_LOGDOMAIN, "Buffer too small (need %d bytes)",
(int)(strlen(gwen_directory_posix__homedir)+1));
return -1;
}
strcpy(buffer, gwen_directory_posix__homedir);

return 0;
}




int GWEN_Directory_Create(const char *path){

if (mkdir(path, S_IRUSR | S_IWUSR | S_IXUSR)) {
DBG_INFO(GWEN_LOGDOMAIN, "Error on mkdir(%s): %s",
path, strerror(errno));
return -1;
}
return 0;
}



int GWEN_Directory_CreatePublic(const char *path){

if (mkdir(path,
S_IRUSR | S_IWUSR | S_IXUSR
#ifdef S_IRGRP
| S_IRGRP
#endif
#ifdef S_IXGRP
| S_IXGRP
#endif
#ifdef S_IROTH
| S_IROTH
#endif
#ifdef S_IXOTH
| S_IXOTH
#endif
)) {
DBG_INFO(GWEN_LOGDOMAIN, "Error on mkdir(%s): %s",
path, strerror(errno));
return -1;
}
return 0;
}










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