static enum nss_status internal_nis_getspent_r (struct spwd *sp, char *buffer, size_t buflen) { struct parser_data *data = (void *) buffer; char *domain, *result, *outkey; int len, keylen, parse_res; if (yp_get_default_domain (&domain)) return NSS_STATUS_UNAVAIL; /* Get the next entry until we found a correct one. */ do { enum nss_status retval; char *p; if (new_start) retval = yperr2nss (yp_first (domain, "shadow.byname", &outkey, &keylen, &result, &len)); else retval = yperr2nss ( yp_next (domain, "shadow.byname", oldkey, oldkeylen, &outkey, &keylen, &result, &len)); if (retval != NSS_STATUS_SUCCESS) { if (retval == NSS_STATUS_TRYAGAIN) __set_errno (EAGAIN); return retval; } if ((size_t) (len + 1) > buflen) { free (result); __set_errno (ERANGE); return NSS_STATUS_TRYAGAIN; } p = strncpy (buffer, result, len); buffer[len] = '\0'; while (isspace (*p)) ++p; free (result); parse_res = _nss_files_parse_spent (p, sp, data, buflen); if (!parse_res && errno == ERANGE) return NSS_STATUS_TRYAGAIN; free (oldkey); oldkey = outkey; oldkeylen = keylen; new_start = 0; } while (!parse_res); return NSS_STATUS_SUCCESS; }
enum nss_status _nss_nis_getspnam_r (const char *name, struct spwd *sp, char *buffer, size_t buflen, int *errnop) { struct parser_data *data = (void *) buffer; enum nss_status retval; char *domain, *result, *p; int len, parse_res; if (name == NULL) { *errnop = EINVAL; return NSS_STATUS_UNAVAIL; } if (yp_get_default_domain (&domain)) return NSS_STATUS_UNAVAIL; retval = yperr2nss (yp_match (domain, "shadow.byname", name, strlen (name), &result, &len)); if (retval != NSS_STATUS_SUCCESS) { if (retval == NSS_STATUS_NOTFOUND) *errnop = ENOENT; else if (retval == NSS_STATUS_TRYAGAIN) *errnop = errno; return retval; } if ((size_t) (len + 1) > buflen) { free (result); *errnop = ERANGE; return NSS_STATUS_TRYAGAIN; } p = strncpy (buffer, result, len); buffer[len] = '\0'; while (isspace (*p)) ++p; free (result); parse_res = _nss_files_parse_spent (p, sp, data, buflen, errnop); if (parse_res < 1) { if (parse_res == -1) return NSS_STATUS_TRYAGAIN; else { *errnop = ENOENT; return NSS_STATUS_NOTFOUND; } } return NSS_STATUS_SUCCESS; }