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/***************************************************************************
*
* $Header: /usr/local/cvsroot/utils/ytree/passwd.c,v 1.13 2007/04/01 13:33:36 werner Exp $
*
* Handhabung von User-Nummern / Namen
*
***************************************************************************/
#include "ytree.h"
#ifdef WIN32
#include <pwd.h>
#else
typedef struct
{
int uid;
char name[OWNER_NAME_MAX + 1];
} PasswdEntry;
extern struct passwd *getpwent(void);
#if !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined( __FreeBSD__ ) && !defined( OSF1 ) && !defined( __APPLE__ )
extern void setpwent(void);
#endif
static PasswdEntry *passwd_array;
static unsigned int passwd_count;
#endif /* WIN32 */
int ReadPasswdEntries(void)
{
#ifndef WIN32
int i;
struct passwd *pwd_ptr;
for( passwd_count=0; getpwent(); passwd_count++ )
;
setpwent();
if( passwd_array )
{
free( passwd_array );
passwd_array = NULL;
}
if( passwd_count == 0 )
{
passwd_array = NULL;
}
else
{
if( ( passwd_array = (PasswdEntry *) calloc( passwd_count,
sizeof( PasswdEntry )
) ) == NULL )
{
ERROR_MSG( "Calloc Failed" );
passwd_array = NULL;
passwd_count = 0;
return( 1 );
}
}
for(i=0; i < (int)passwd_count; i++)
{
if( ( pwd_ptr = getpwent() ) == NULL )
{
ERROR_MSG( "Getpwent Failed" );
if( passwd_array) free( passwd_array );
passwd_array = NULL;
passwd_count = 0;
return( 1 );
}
passwd_array[i].uid = pwd_ptr->pw_uid;
(void) strcpy( passwd_array[i].name, pwd_ptr->pw_name );
}
#endif /* WIN32 */
return( 0 );
}
char *GetPasswdName(unsigned int uid)
{
#ifdef WIN32
struct passwd *pwd_ptr;
pwd_ptr = getpwuid( uid );
if( pwd_ptr ) return( pwd_ptr->pw_name );
else return( NULL );
#else
int i;
for( i=0; i < (int)passwd_count; i++ )
{
if( passwd_array[i].uid == (int)uid )
return( passwd_array[i].name );
}
return( NULL );
#endif /* WIN32 */
}
int GetPasswdUid(char *name)
{
#ifdef WIN32
struct passwd *pwd_ptr;
pwd_ptr = getpwnam( name );
if( pwd_ptr ) return( pwd_ptr->pw_uid );
else return( -1 );
#else
int i;
for( i=0; i < (int)passwd_count; i++ )
{
if( !strcmp( name, passwd_array[i].name ) )
return( (int) passwd_array[i].uid );
}
return( -1 );
#endif /* WIN32 */
}
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