88 lines
3.3 KiB
C
88 lines
3.3 KiB
C
#ifndef __CAPWAP_NETWORK_HEADER__
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#define __CAPWAP_NETWORK_HEADER__
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#include "array.h"
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#include "list.h"
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/* Standard Configuration */
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#define CAPWAP_CONTROL_PORT 5246
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#define CAPWAP_MAX_PACKET_SIZE 65535
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/* */
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#define CAPWAP_MACADDRESS_EUI48_BUFFER 18
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#define CAPWAP_MACADDRESS_EUI64_BUFFER 24
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#define CAPWAP_MAX_FQDN_SIZE 256
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/* */
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union sockaddr_capwap {
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struct sockaddr sa;
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struct sockaddr_in sin;
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struct sockaddr_in6 sin6;
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struct sockaddr_storage ss;
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};
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struct addr_capwap {
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char fqdn[CAPWAP_MAX_FQDN_SIZE];
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union sockaddr_capwap sockaddr;
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char resolved;
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};
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/* Helper */
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#define CAPWAP_GET_NETWORK_PORT(addr) ntohs((((addr)->ss.ss_family == AF_INET) ? (addr)->sin.sin_port : (((addr)->ss.ss_family == AF_INET6) ? (addr)->sin6.sin6_port : 0)))
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#define CAPWAP_SET_NETWORK_PORT(addr, port) if ((addr)->ss.ss_family == AF_INET) { \
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(addr)->sin.sin_port = htons(port); \
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} else if ((addr)->ss.ss_family == AF_INET6) { \
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(addr)->sin6.sin6_port = htons(port); \
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}
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#define CAPWAP_COPY_NETWORK_PORT(addr1, addr2) if ((addr1)->ss.ss_family == (addr2)->ss.ss_family) { \
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if ((addr1)->ss.ss_family == AF_INET) { \
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(addr1)->sin.sin_port = (addr2)->sin.sin_port; \
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} else if ((addr1)->ss.ss_family == AF_INET6) { \
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(addr1)->sin6.sin6_port = (addr2)->sin6.sin6_port; \
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} \
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}
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/* */
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#define CAPWAP_RECV_ERROR_SOCKET -1
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#define CAPWAP_RECV_ERROR_TIMEOUT -2
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#define CAPWAP_RECV_ERROR_INTR -3
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/* Network struct */
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struct capwap_network {
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union sockaddr_capwap localaddr;
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char bindiface[IFNAMSIZ];
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int socket;
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};
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void capwap_network_init(struct capwap_network* net);
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int capwap_network_set_pollfd(struct capwap_network* net, struct pollfd* fds, int fdscount);
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void capwap_interface_list(struct capwap_network* net, struct capwap_list* list);
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int capwap_get_macaddress_from_interface(const char* interface, char* macaddress);
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int capwap_network_get_localaddress(union sockaddr_capwap* localaddr, union sockaddr_capwap* peeraddr, char* iface);
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int capwap_bind_sockets(struct capwap_network* net);
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int capwap_connect_socket(struct capwap_network* net, union sockaddr_capwap *peeraddr);
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void capwap_close_sockets(struct capwap_network* net);
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int capwap_getsockname(struct capwap_network* net, union sockaddr_capwap *addr);
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int capwap_ipv4_mapped_ipv6(union sockaddr_capwap* addr);
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int capwap_compare_ip(union sockaddr_capwap* addr1, union sockaddr_capwap* addr2);
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int capwap_sendto(int sock, void* buffer, int size, union sockaddr_capwap* toaddr);
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int capwap_sendto_fragmentpacket(int sock, struct capwap_list* fragmentlist, union sockaddr_capwap* toaddr);
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ssize_t capwap_recvfrom(int sock, void *buffer, size_t len,
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union sockaddr_capwap* fromaddr,
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union sockaddr_capwap* toaddr);
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int capwap_address_from_string(const char* ip, union sockaddr_capwap* sockaddr);
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const char* capwap_address_to_string(union sockaddr_capwap* sockaddr, char* ip, int len);
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char* capwap_printf_macaddress(char* buffer, const uint8_t* macaddress, int type);
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int capwap_scanf_macaddress(uint8_t* macaddress, const char* buffer, int type);
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#endif /* __CAPWAP_NETWORK_HEADER__ */
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