diff options
Diffstat (limited to 'net/netlabel/netlabel_unlabeled.h')
| -rw-r--r-- | net/netlabel/netlabel_unlabeled.h | 145 |
1 files changed, 144 insertions, 1 deletions
diff --git a/net/netlabel/netlabel_unlabeled.h b/net/netlabel/netlabel_unlabeled.h index c2917fbb42c..06b1301ac07 100644 --- a/net/netlabel/netlabel_unlabeled.h +++ b/net/netlabel/netlabel_unlabeled.h @@ -36,6 +36,116 @@ /* * The following NetLabel payloads are supported by the Unlabeled subsystem. * + * o STATICADD + * This message is sent from an application to add a new static label for + * incoming unlabeled connections. + * + * Required attributes: + * + * NLBL_UNLABEL_A_IFACE + * NLBL_UNLABEL_A_SECCTX + * + * If IPv4 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV4ADDR + * NLBL_UNLABEL_A_IPV4MASK + * + * If IPv6 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV6ADDR + * NLBL_UNLABEL_A_IPV6MASK + * + * o STATICREMOVE + * This message is sent from an application to remove an existing static + * label for incoming unlabeled connections. + * + * Required attributes: + * + * NLBL_UNLABEL_A_IFACE + * + * If IPv4 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV4ADDR + * NLBL_UNLABEL_A_IPV4MASK + * + * If IPv6 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV6ADDR + * NLBL_UNLABEL_A_IPV6MASK + * + * o STATICLIST + * This message can be sent either from an application or by the kernel in + * response to an application generated STATICLIST message. When sent by an + * application there is no payload and the NLM_F_DUMP flag should be set. + * The kernel should response with a series of the following messages. + * + * Required attributes: + * + * NLBL_UNLABEL_A_IFACE + * NLBL_UNLABEL_A_SECCTX + * + * If IPv4 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV4ADDR + * NLBL_UNLABEL_A_IPV4MASK + * + * If IPv6 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV6ADDR + * NLBL_UNLABEL_A_IPV6MASK + * + * o STATICADDDEF + * This message is sent from an application to set the default static + * label for incoming unlabeled connections. + * + * Required attribute: + * + * NLBL_UNLABEL_A_SECCTX + * + * If IPv4 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV4ADDR + * NLBL_UNLABEL_A_IPV4MASK + * + * If IPv6 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV6ADDR + * NLBL_UNLABEL_A_IPV6MASK + * + * o STATICREMOVEDEF + * This message is sent from an application to remove the existing default + * static label for incoming unlabeled connections. + * + * If IPv4 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV4ADDR + * NLBL_UNLABEL_A_IPV4MASK + * + * If IPv6 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV6ADDR + * NLBL_UNLABEL_A_IPV6MASK + * + * o STATICLISTDEF + * This message can be sent either from an application or by the kernel in + * response to an application generated STATICLISTDEF message. When sent by + * an application there is no payload and the NLM_F_DUMP flag should be set. + * The kernel should response with the following message. + * + * Required attribute: + * + * NLBL_UNLABEL_A_SECCTX + * + * If IPv4 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV4ADDR + * NLBL_UNLABEL_A_IPV4MASK + * + * If IPv6 is specified the following attributes are required: + * + * NLBL_UNLABEL_A_IPV6ADDR + * NLBL_UNLABEL_A_IPV6MASK + * * o ACCEPT * This message is sent from an application to specify if the kernel should * allow unlabled packets to pass if they do not match any of the static @@ -62,6 +172,12 @@ enum { NLBL_UNLABEL_C_UNSPEC, NLBL_UNLABEL_C_ACCEPT, NLBL_UNLABEL_C_LIST, + NLBL_UNLABEL_C_STATICADD, + NLBL_UNLABEL_C_STATICREMOVE, + NLBL_UNLABEL_C_STATICLIST, + NLBL_UNLABEL_C_STATICADDDEF, + NLBL_UNLABEL_C_STATICREMOVEDEF, + NLBL_UNLABEL_C_STATICLISTDEF, __NLBL_UNLABEL_C_MAX, }; #define NLBL_UNLABEL_C_MAX (__NLBL_UNLABEL_C_MAX - 1) @@ -73,6 +189,24 @@ enum { /* (NLA_U8) * if true then unlabeled packets are allowed to pass, else unlabeled * packets are rejected */ + NLBL_UNLABEL_A_IPV6ADDR, + /* (NLA_BINARY, struct in6_addr) + * an IPv6 address */ + NLBL_UNLABEL_A_IPV6MASK, + /* (NLA_BINARY, struct in6_addr) + * an IPv6 address mask */ + NLBL_UNLABEL_A_IPV4ADDR, + /* (NLA_BINARY, struct in_addr) + * an IPv4 address */ + NLBL_UNLABEL_A_IPV4MASK, + /* (NLA_BINARY, struct in_addr) + * and IPv4 address mask */ + NLBL_UNLABEL_A_IFACE, + /* (NLA_NULL_STRING) + * network interface */ + NLBL_UNLABEL_A_SECCTX, + /* (NLA_BINARY) + * a LSM specific security context */ __NLBL_UNLABEL_A_MAX, }; #define NLBL_UNLABEL_A_MAX (__NLBL_UNLABEL_A_MAX - 1) @@ -80,8 +214,17 @@ enum { /* NetLabel protocol functions */ int netlbl_unlabel_genl_init(void); +/* Unlabeled connection hash table size */ +/* XXX - currently this number is an uneducated guess */ +#define NETLBL_UNLHSH_BITSIZE 7 + +/* General Unlabeled init function */ +int netlbl_unlabel_init(u32 size); + /* Process Unlabeled incoming network packets */ -int netlbl_unlabel_getattr(struct netlbl_lsm_secattr *secattr); +int netlbl_unlabel_getattr(const struct sk_buff *skb, + u16 family, + struct netlbl_lsm_secattr *secattr); /* Set the default configuration to allow Unlabeled packets */ int netlbl_unlabel_defconf(void); |