/**
* netlbl_req_setattr - Label a request socket using the correct protocol
* @req: the request socket to label
* @secattr: the security attributes
*
* Description:
* Attach the correct label to the given socket using the security attributes
* specified in @secattr. Returns zero on success, negative values on failure.
*
*/
int netlbl_req_setattr(struct request_sock *req,
const struct netlbl_lsm_secattr *secattr)
{
int ret_val;
struct netlbl_dom_map *dom_entry;
struct netlbl_domaddr4_map *af4_entry;
u32 proto_type;
struct cipso_v4_doi *proto_cv4;
rcu_read_lock();
dom_entry = netlbl_domhsh_getentry(secattr->domain);
if (dom_entry == NULL) {
ret_val = -ENOENT;
goto req_setattr_return;
}
switch (req->rsk_ops->family) {
case AF_INET:
if (dom_entry->type == NETLBL_NLTYPE_ADDRSELECT) {
struct inet_request_sock *req_inet = inet_rsk(req);
af4_entry = netlbl_domhsh_getentry_af4(secattr->domain,
req_inet->rmt_addr);
if (af4_entry == NULL) {
ret_val = -ENOENT;
goto req_setattr_return;
}
proto_type = af4_entry->type;
proto_cv4 = af4_entry->type_def.cipsov4;
} else {
proto_type = dom_entry->type;
proto_cv4 = dom_entry->type_def.cipsov4;
}
switch (proto_type) {
case NETLBL_NLTYPE_CIPSOV4:
ret_val = cipso_v4_req_setattr(req, proto_cv4, secattr);
break;
case NETLBL_NLTYPE_UNLABELED:
/* just delete the protocols we support for right now
* but we could remove other protocols if needed */
cipso_v4_req_delattr(req);
ret_val = 0;
break;
default:
ret_val = -ENOENT;
}
break;
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6:
/* since we don't support any IPv6 labeling protocols right
* now we can optimize everything away until we do */
ret_val = 0;
break;
#endif /* IPv6 */
default:
ret_val = -EPROTONOSUPPORT;
}
req_setattr_return:
rcu_read_unlock();
return ret_val;
}
/**
* netlbl_req_setattr - Label a request socket using the correct protocol
* @req: the request socket to label
* @secattr: the security attributes
*
* Description:
* Attach the correct label to the given socket using the security attributes
* specified in @secattr. Returns zero on success, negative values on failure.
*
*/
int netlbl_req_setattr(struct request_sock *req,
const struct netlbl_lsm_secattr *secattr)
{
int ret_val;
struct netlbl_dommap_def *entry;
struct inet_request_sock *ireq = inet_rsk(req);
rcu_read_lock();
switch (req->rsk_ops->family) {
case AF_INET:
entry = netlbl_domhsh_getentry_af4(secattr->domain,
ireq->ir_rmt_addr);
if (entry == NULL) {
ret_val = -ENOENT;
goto req_setattr_return;
}
switch (entry->type) {
case NETLBL_NLTYPE_CIPSOV4:
ret_val = cipso_v4_req_setattr(req,
entry->cipso, secattr);
break;
case NETLBL_NLTYPE_UNLABELED:
netlbl_req_delattr(req);
ret_val = 0;
break;
default:
ret_val = -ENOENT;
}
break;
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6:
entry = netlbl_domhsh_getentry_af6(secattr->domain,
&ireq->ir_v6_rmt_addr);
if (entry == NULL) {
ret_val = -ENOENT;
goto req_setattr_return;
}
switch (entry->type) {
case NETLBL_NLTYPE_CALIPSO:
ret_val = calipso_req_setattr(req,
entry->calipso, secattr);
break;
case NETLBL_NLTYPE_UNLABELED:
netlbl_req_delattr(req);
ret_val = 0;
break;
default:
ret_val = -ENOENT;
}
break;
#endif /* IPv6 */
default:
ret_val = -EPROTONOSUPPORT;
}
req_setattr_return:
rcu_read_unlock();
return ret_val;
}
int netlbl_req_setattr(struct request_sock *req,
const struct netlbl_lsm_secattr *secattr)
{
int ret_val;
struct netlbl_dom_map *dom_entry;
struct netlbl_domaddr4_map *af4_entry;
u32 proto_type;
struct cipso_v4_doi *proto_cv4;
rcu_read_lock();
dom_entry = netlbl_domhsh_getentry(secattr->domain);
if (dom_entry == NULL) {
ret_val = -ENOENT;
goto req_setattr_return;
}
switch (req->rsk_ops->family) {
case AF_INET:
if (dom_entry->type == NETLBL_NLTYPE_ADDRSELECT) {
struct inet_request_sock *req_inet = inet_rsk(req);
af4_entry = netlbl_domhsh_getentry_af4(secattr->domain,
req_inet->rmt_addr);
if (af4_entry == NULL) {
ret_val = -ENOENT;
goto req_setattr_return;
}
proto_type = af4_entry->type;
proto_cv4 = af4_entry->type_def.cipsov4;
} else {
proto_type = dom_entry->type;
proto_cv4 = dom_entry->type_def.cipsov4;
}
switch (proto_type) {
case NETLBL_NLTYPE_CIPSOV4:
ret_val = cipso_v4_req_setattr(req, proto_cv4, secattr);
break;
case NETLBL_NLTYPE_UNLABELED:
cipso_v4_req_delattr(req);
ret_val = 0;
break;
default:
ret_val = -ENOENT;
}
break;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
ret_val = 0;
break;
#endif
default:
ret_val = -EPROTONOSUPPORT;
}
req_setattr_return:
rcu_read_unlock();
return ret_val;
}
/**
* netlbl_req_setattr - Label a request socket using the correct protocol
* @req: the request socket to label
* @secattr: the security attributes
*
* Description:
* Attach the correct label to the given socket using the security attributes
* specified in @secattr. Returns zero on success, negative values on failure.
*
*/
int netlbl_req_setattr(struct request_sock *req,
const struct netlbl_lsm_secattr *secattr)
{
int ret_val;
struct netlbl_dommap_def *entry;
rcu_read_lock();
switch (req->rsk_ops->family) {
case AF_INET:
entry = netlbl_domhsh_getentry_af4(secattr->domain,
inet_rsk(req)->ir_rmt_addr);
if (entry == NULL) {
ret_val = -ENOENT;
goto req_setattr_return;
}
switch (entry->type) {
case NETLBL_NLTYPE_CIPSOV4:
ret_val = cipso_v4_req_setattr(req,
entry->cipso, secattr);
break;
case NETLBL_NLTYPE_UNLABELED:
/* just delete the protocols we support for right now
* but we could remove other protocols if needed */
cipso_v4_req_delattr(req);
ret_val = 0;
break;
default:
ret_val = -ENOENT;
}
break;
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6:
/* since we don't support any IPv6 labeling protocols right
* now we can optimize everything away until we do */
ret_val = 0;
break;
#endif /* IPv6 */
default:
ret_val = -EPROTONOSUPPORT;
}
req_setattr_return:
rcu_read_unlock();
return ret_val;
}