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/*
* $Id$
*/
#include <stdio.h>
#include <sys/types.h>
#include <grp.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
static struct group gr_group; /* password structure */
static FILE *group_fp;
static char groupname[8];
static char password[1024];
static char groups[1024];
static char *gr_mem[16] = { } ;
struct group *
getgrnam (name)
const char *name;
{
FILE *fp;
char buf[1024];
if ((fp = fopen ("/etc/group", "r")) == NULL)
{
return NULL;
}
while (fgets (buf, sizeof (buf), fp))
{
sscanf (buf, "%[^:]:%[^:]:%d:%s\n",
groupname, password, &gr_group.gr_gid,
groups);
gr_group.gr_name = groupname;
gr_group.gr_passwd = password;
gr_group.gr_mem = gr_mem ;
if (!strcmp (groupname, name))
{
fclose (fp);
return &gr_group;
}
}
fclose (fp);
return NULL;
}
struct group *
getgrgid (gid_t gid)
{
FILE *fp;
char buf[1024];
if ((fp = fopen ("/etc/group", "r")) == NULL)
{
return NULL;
}
while (fgets (buf, sizeof (buf), fp))
{
sscanf (buf, "%[^:]:%[^:]:%d:%s\n",
groupname, password, &gr_group.gr_gid,
groups);
gr_group.gr_name = groupname;
gr_group.gr_passwd = password;
gr_group.gr_mem = gr_mem ;
if (gid == gr_group.gr_gid)
{
fclose (fp);
return &gr_group;
}
}
fclose (fp);
return NULL;
}
struct group *
getgrent ()
{
char buf[1024];
if (group_fp == NULL)
return NULL;
if (fgets (buf, sizeof (buf), group_fp) == NULL)
return NULL;
sscanf (buf, "%[^:]:%[^:]:%d:%s\n",
groupname, password, &gr_group.gr_gid,
groups);
gr_group.gr_name = groupname;
gr_group.gr_passwd = password;
gr_group.gr_mem = gr_mem ;
return &gr_group;
}
void
setgrent ()
{
if (group_fp != NULL)
fclose (group_fp);
group_fp = fopen ("/etc/group", "r");
}
void
endgrent ()
{
if (group_fp != NULL)
fclose (group_fp);
}
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