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The capwap data channel migrated from userspace to kernalspace

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This commit is contained in:
vemax78
2014-09-10 21:58:23 +02:00
parent 71006a9121
commit 8d9985fdea
104 changed files with 6967 additions and 4840 deletions
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89
src/common/capwap_network.h
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@ -12,87 +12,62 @@
#define CAPWAP_MACADDRESS_EUI48_BUFFER 18
#define CAPWAP_MACADDRESS_EUI64_BUFFER 24
/* Helper */
#define CAPWAP_GET_NETWORK_PORT(address) ntohs((((address)->ss_family == AF_INET) ? ((struct sockaddr_in*)(address))->sin_port : ((struct sockaddr_in6*)(address))->sin6_port))
#define CAPWAP_SET_NETWORK_PORT(address, port) if ((address)->ss_family == AF_INET) { \
((struct sockaddr_in*)(address))->sin_port = htons(port); \
} else if ((address)->ss_family == AF_INET6) { \
((struct sockaddr_in6*)(address))->sin6_port = htons(port); \
}
/* */
#define CAPWAP_MAX_SOCKETS 4
#define CAPWAP_SOCKET_IPV4_UDP 0
#define CAPWAP_SOCKET_IPV4_UDPLITE 1
#define CAPWAP_SOCKET_IPV6_UDP 2
#define CAPWAP_SOCKET_IPV6_UDPLITE 3
union sockaddr_capwap {
struct sockaddr sa;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
struct sockaddr_storage ss;
};
/* Helper */
#define CAPWAP_GET_NETWORK_PORT(addr) ntohs((((addr)->ss.ss_family == AF_INET) ? (addr)->sin.sin_port : (addr)->sin6.sin6_port))
#define CAPWAP_SET_NETWORK_PORT(addr, port) if ((addr)->ss.ss_family == AF_INET) { \
(addr)->sin.sin_port = htons(port); \
} else if ((addr)->ss.ss_family == AF_INET6) { \
(addr)->sin6.sin6_port = htons(port); \
}
#define CAPWAP_COPY_NETWORK_PORT(addr1, addr2) if ((addr1)->ss.ss_family == (addr2)->ss.ss_family) { \
if ((addr1)->ss.ss_family == AF_INET) { \
(addr1)->sin.sin_port = (addr2)->sin.sin_port; \
} else if ((addr1)->ss.ss_family == AF_INET6) { \
(addr1)->sin6.sin6_port = (addr2)->sin6.sin6_port; \
} \
}
/* */
#define CAPWAP_RECV_ERROR_SOCKET -1
#define CAPWAP_RECV_ERROR_TIMEOUT -2
#define CAPWAP_RECV_ERROR_INTR -3
/* Socket Flags */
#define CAPWAP_IPV6ONLY_FLAG 0x00000001
/* Network struct */
struct capwap_network {
int sock_family; /* Address family used by the server. */
unsigned short bind_sock_ctrl_port; /* Port number to listen control protocol. */
char bind_interface[IFNAMSIZ];
int sock_ctrl[CAPWAP_MAX_SOCKETS];
int bind_ctrl_flags;
int sock_data[CAPWAP_MAX_SOCKETS];
int bind_data_flags;
};
#define CAPWAP_SOCKET_UDP 0
#define CAPWAP_SOCKET_UDPLITE 1
/* Network socket */
struct capwap_socket {
int type;
int family;
int socket[2];
int isctrlsocket;
};
/* Network connection info */
struct capwap_connection {
struct capwap_socket socket;
struct sockaddr_storage localaddr;
struct sockaddr_storage remoteaddr;
union sockaddr_capwap localaddr;
char bindiface[IFNAMSIZ];
int socket;
};
void capwap_network_init(struct capwap_network* net);
int capwap_network_set_pollfd(struct capwap_network* net, struct pollfd* fds, int fdscount);
void capwap_interface_list(struct capwap_network* net, struct capwap_list* list);
int capwap_get_macaddress_from_interface(const char* interface, char* macaddress);
#define CAPWAP_DATA_SOCKET 0
#define CAPWAP_CTRL_SOCKET 1
int capwap_get_socket(struct capwap_network* net, int socketfamily, int socketprotocol, int isctrlsocket);
void capwap_get_network_socket(struct capwap_network* net, struct capwap_socket* sock, int fd);
int capwap_network_get_localaddress(union sockaddr_capwap* localaddr, union sockaddr_capwap* peeraddr, char* iface);
int capwap_bind_sockets(struct capwap_network* net);
void capwap_close_sockets(struct capwap_network* net);
int capwap_compare_ip(struct sockaddr_storage* addr1, struct sockaddr_storage* addr2);
int capwap_ipv4_mapped_ipv6(union sockaddr_capwap* addr);
int capwap_compare_ip(union sockaddr_capwap* addr1, union sockaddr_capwap* addr2);
int capwap_sendto(int sock, void* buffer, int size, struct sockaddr_storage* sendfromaddr, struct sockaddr_storage* sendtoaddr);
int capwap_sendto_fragmentpacket(int sock, struct capwap_list* fragmentlist, struct sockaddr_storage* sendfromaddr, struct sockaddr_storage* sendtoaddr);
int capwap_sendto(int sock, void* buffer, int size, union sockaddr_capwap* toaddr);
int capwap_sendto_fragmentpacket(int sock, struct capwap_list* fragmentlist, union sockaddr_capwap* toaddr);
int capwap_wait_recvready(struct pollfd* fds, int fdscount, struct capwap_timeout* timeout);
int capwap_recvfrom_fd(int fd, void* buffer, int* size, struct sockaddr_storage* recvfromaddr, struct sockaddr_storage* recvtoaddr);
int capwap_recvfrom(struct pollfd* fds, int fdscount, void* buffer, int* size, struct sockaddr_storage* recvfromaddr, struct sockaddr_storage* recvtoaddr, struct capwap_timeout* timeout);
int capwap_recvfrom(int sock, void* buffer, int* size, union sockaddr_capwap* fromaddr, union sockaddr_capwap* toaddr);
int capwap_ipv4_mapped_ipv6(struct sockaddr_storage* source, struct sockaddr_storage* dest);
int capwap_address_from_string(const char* ip, struct sockaddr_storage* address);
int capwap_get_localaddress_by_remoteaddress(struct sockaddr_storage* local, struct sockaddr_storage* remote, char* oif, int ipv6dualstack);
int capwap_address_from_string(const char* ip, union sockaddr_capwap* sockaddr);
char* capwap_printf_macaddress(char* buffer, const uint8_t* macaddress, int type);
int capwap_scanf_macaddress(uint8_t* macaddress, const char* buffer, int type);