/*
* Get a password entry by uid and allocate space for it.
*/
struct passwd *
sudo_getpwuid(uid_t uid)
{
struct cache_item key, *item;
struct rbnode *node;
debug_decl(sudo_getpwuid, SUDO_DEBUG_NSS)
key.k.uid = uid;
if ((node = rbfind(pwcache_byuid, &key)) != NULL) {
item = (struct cache_item *) node->data;
goto done;
}
/*
* Cache passwd db entry if it exists or a negative response if not.
*/
#ifdef HAVE_SETAUTHDB
aix_setauthdb(IDtouser(uid));
#endif
item = sudo_make_pwitem(uid, NULL);
if (item == NULL) {
item = ecalloc(1, sizeof(*item));
item->refcnt = 1;
item->k.uid = uid;
/* item->d.pw = NULL; */
}
if (rbinsert(pwcache_byuid, item) != NULL)
fatalx(_("unable to cache uid %u, already exists"),
(unsigned int) uid);
#ifdef HAVE_SETAUTHDB
aix_restoreauthdb();
#endif
done:
item->refcnt++;
debug_return_ptr(item->d.pw);
}
/**
* Get the current user name information.
*
* @param buffer The buffer (of at least MAX_USERID_LENGTH characters) into which the userid is copied.
*/
void SysProcess::getUserID(char *buffer)
{
#if defined( HAVE_GETPWUID )
struct passwd * pstUsrDat;
#endif
#if defined( HAVE_GETPWUID )
pstUsrDat = getpwuid(geteuid());
strncpy( buffer, pstUsrDat->pw_name, MAX_USERID_LENGTH-1);
#elif defined( HAVE_IDTOUSER )
strncpy( buffer, IDtouser(geteuid()), MAX_USERID_LENGTH-1);
#else
strcpy( buffer, "unknown" );
#endif
}
/*
* Get a password entry by uid and allocate space for it.
* Fills in pw_passwd from shadow file if necessary.
*/
struct passwd *
sudo_getpwuid(uid_t uid)
{
struct cache_item key, *item;
struct rbnode *node;
key.k.uid = uid;
if ((node = rbfind(pwcache_byuid, &key)) != NULL) {
item = (struct cache_item *) node->data;
goto done;
}
/*
* Cache passwd db entry if it exists or a negative response if not.
*/
#ifdef HAVE_SETAUTHDB
aix_setauthdb(IDtouser(uid));
#endif
if ((key.d.pw = getpwuid(uid)) != NULL) {
item = make_pwitem(key.d.pw, NULL);
if (rbinsert(pwcache_byuid, item) != NULL)
errorx(1, "unable to cache uid %u (%s), already exists",
(unsigned int) uid, item->d.pw->pw_name);
} else {
item = emalloc(sizeof(*item));
item->refcnt = 1;
item->k.uid = uid;
item->d.pw = NULL;
if (rbinsert(pwcache_byuid, item) != NULL)
errorx(1, "unable to cache uid %u, already exists",
(unsigned int) uid);
}
#ifdef HAVE_SETAUTHDB
aix_restoreauthdb();
#endif
done:
item->refcnt++;
return item->d.pw;
}
