+ }
+
+ if (fct_start == NULL &&
+ __nss_passwd_lookup(&startp, fct_name, &fct_start) != 0) {
+ free(buf);
+ return NSS_STATUS_UNAVAIL;
+ }
+ nip = startp;
+ fct.ptr = fct_start;
+ do {
+ morebuf:
+ if (fct.l == _nss_nonlocal_getpwuid_r)
+ status = NSS_STATUS_NOTFOUND;
+ else
+ status = DL_CALL_FCT(fct.l, (uid, &pwbuf, buf, buflen, errnop));
+ if (status == NSS_STATUS_TRYAGAIN && *errnop == ERANGE) {
+ free(buf);
+ buflen *= 2;
+ buf = malloc(buflen);
+ errno = old_errno;
+ if (buf == NULL) {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ goto morebuf;
+ }
+ } while (__nss_next(&nip, fct_name, &fct.ptr, status, 0) == 0);
+
+ if (status == NSS_STATUS_SUCCESS) {
+ syslog(LOG_ERR, "nss_nonlocal: possible spoofing attack: non-local user %s has same UID as local user %s!\n", user, pwbuf.pw_name);
+ status = NSS_STATUS_NOTFOUND;
+ } else if (status != NSS_STATUS_TRYAGAIN) {
+ status = NSS_STATUS_SUCCESS;
+ }
+
+ free(buf);
+ return status;