diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/net.c | 34 | ||||
-rw-r--r-- | lib/net.h | 44 |
2 files changed, 52 insertions, 26 deletions
@@ -177,33 +177,29 @@ net_hash(const net_addr *n) case NET_ROA6: return NET_HASH(n, roa6); case NET_FLOW4: return NET_HASH(n, flow4); case NET_FLOW6: return NET_HASH(n, flow6); + case NET_MPLS: return NET_HASH(n, mpls); default: bug("invalid type"); } } +#define NET_VALIDATE(a,t) net_validate_##t((const net_addr_##t *) a) + int -net_validate(const net_addr *N) +net_validate(const net_addr *n) { - switch (N->type) + switch (n->type) { - case NET_IP4: - case NET_VPN4: - case NET_ROA4: - case NET_FLOW4: - return net_validate_ip4((net_addr_ip4 *) N); - - case NET_IP6: - case NET_VPN6: - case NET_ROA6: - case NET_FLOW6: - return net_validate_ip6((net_addr_ip6 *) N); - - case NET_MPLS: - return net_validate_mpls((net_addr_mpls *) N); - - default: - return 0; + case NET_IP4: return NET_VALIDATE(n, ip4); + case NET_IP6: return NET_VALIDATE(n, ip6); + case NET_VPN4: return NET_VALIDATE(n, vpn4); + case NET_VPN6: return NET_VALIDATE(n, vpn6); + case NET_ROA4: return NET_VALIDATE(n, roa4); + case NET_ROA6: return NET_VALIDATE(n, roa6); + case NET_FLOW4: return NET_VALIDATE(n, flow4); + case NET_FLOW6: return NET_VALIDATE(n, flow6); + case NET_MPLS: return NET_VALIDATE(n, mpls); + default: return 0; } } @@ -37,6 +37,7 @@ #define NB_IP (NB_IP4 | NB_IP6) #define NB_VPN (NB_VPN4 | NB_VPN6) #define NB_FLOW (NB_FLOW4 | NB_FLOW6) +#define NB_DEST (NB_IP | NB_VPN | NB_MPLS) #define NB_ANY 0xffffffff @@ -457,23 +458,52 @@ static inline u32 net_hash_mpls(const net_addr_mpls *n) u32 net_hash(const net_addr *a); -static inline int net_validate_ip4(const net_addr_ip4 *n) +static inline int net_validate_px4(const ip4_addr prefix, uint pxlen) +{ + return (pxlen <= IP4_MAX_PREFIX_LENGTH) && + ip4_zero(ip4_and(prefix, ip4_not(ip4_mkmask(pxlen)))); +} + +static inline int net_validate_px6(const ip6_addr prefix, uint pxlen) { - return (n->pxlen <= IP4_MAX_PREFIX_LENGTH) && - ip4_zero(ip4_and(n->prefix, ip4_not(ip4_mkmask(n->pxlen)))); + return (pxlen <= IP6_MAX_PREFIX_LENGTH) && + ip6_zero(ip6_and(prefix, ip6_not(ip6_mkmask(pxlen)))); } +static inline int net_validate_ip4(const net_addr_ip4 *n) +{ return net_validate_px4(n->prefix, n->pxlen); } + static inline int net_validate_ip6(const net_addr_ip6 *n) +{ return net_validate_px6(n->prefix, n->pxlen); } + +static inline int net_validate_vpn4(const net_addr_vpn4 *n) +{ return net_validate_px4(n->prefix, n->pxlen); } + +static inline int net_validate_vpn6(const net_addr_vpn6 *n) +{ return net_validate_px6(n->prefix, n->pxlen); } + +static inline int net_validate_roa4(const net_addr_roa4 *n) { - return (n->pxlen <= IP6_MAX_PREFIX_LENGTH) && - ip6_zero(ip6_and(n->prefix, ip6_not(ip6_mkmask(n->pxlen)))); + return net_validate_px4(n->prefix, n->pxlen) && + (n->pxlen <= n->max_pxlen) && (n->max_pxlen <= IP4_MAX_PREFIX_LENGTH); } -static inline int net_validate_mpls(const net_addr_mpls *n) +static inline int net_validate_roa6(const net_addr_roa6 *n) { - return n->label < (1 << 20); + return net_validate_px6(n->prefix, n->pxlen) && + (n->pxlen <= n->max_pxlen) && (n->max_pxlen <= IP6_MAX_PREFIX_LENGTH); } +// FIXME: Better check, call flow_validate? +static inline int net_validate_flow4(const net_addr_flow4 *n) +{ return net_validate_px4(n->prefix, n->pxlen); } + +static inline int net_validate_flow6(const net_addr_flow6 *n) +{ return net_validate_px6(n->prefix, n->pxlen); } + +static inline int net_validate_mpls(const net_addr_mpls *n) +{ return n->label < (1 << 20); } + int net_validate(const net_addr *N); |