diff options
Diffstat (limited to 'common.h')
| -rw-r--r-- | common.h | 56 |
1 files changed, 56 insertions, 0 deletions
@@ -6,11 +6,67 @@ #ifndef __COMMON_H__ #define __COMMON_H__ +#include <stdbool.h> #include <stdint.h> +#include <stdlib.h> + +#include <netinet/in.h> #define MAX_CONNECTIONS 16 +#define MAX_LINESIZE 4096 + +#define RECV_BUFSIZE 8192 + static const char WG_DYNAMIC_ADDR[] = "fe80::"; static const uint16_t WG_DYNAMIC_PORT = 1337; +#define ITEMS \ + E(WGKEY_UNKNOWN, "") /* must be the first entry */ \ + /* CMD START */ \ + E(WGKEY_REQUEST_IP, "request_ip") \ + E(WGKEY_ENDCMD, "") \ + /* CMD END */ \ + E(WGKEY_INCOMPLETE, "") \ + E(WGKEY_IPV4, "ipv4") \ + E(WGKEY_IPV6, "ipv6") \ + E(WGKEY_LEASETIME, "leasetime") + +#define E(x, y) x, +enum wg_dynamic_key { ITEMS }; +#undef E +#define E(x, y) y, +static const char *const WG_DYNAMIC_KEY[] = { ITEMS }; +#undef E +#undef ITEMS + +struct wg_dynamic_attr { + enum wg_dynamic_key key; + size_t len; + struct wg_dynamic_attr *next; + unsigned char value[]; +}; + +struct wg_dynamic_request { + enum wg_dynamic_key cmd; + uint32_t version; + struct wg_dynamic_attr *first, *last; +}; + +struct wg_combined_ip { + uint16_t family; + union { + struct in_addr ip4; + struct in6_addr ip6; + } ip; + uint8_t cidr; +}; + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +void free_wg_dynamic_request(struct wg_dynamic_request *req); +bool handle_request(int fd, struct wg_dynamic_request *req, + void (*success)(int, struct wg_dynamic_request *req), + void (*error)(int, int)); + #endif |