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-rw-r--r--common.h39
1 files changed, 18 insertions, 21 deletions
diff --git a/common.h b/common.h
index c44e6c7..0e97f97 100644
--- a/common.h
+++ b/common.h
@@ -15,11 +15,8 @@
#include "netlink.h"
#define MAX_CONNECTIONS 16
-
#define MAX_LINESIZE 4096
-
#define RECV_BUFSIZE 8192
-
#define MAX_RESPONSE_SIZE 8192
static const char WG_DYNAMIC_ADDR[] = "fe80::";
@@ -27,11 +24,11 @@ static const uint16_t WG_DYNAMIC_PORT = 970; /* ASCII sum of "wireguard" */
#define ITEMS \
E(WGKEY_UNKNOWN, "") /* must be the first entry */ \
+ E(WGKEY_EOMSG, "") \
/* 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_LEASESTART, "leasestart") \
@@ -50,6 +47,7 @@ static const char *const WG_DYNAMIC_KEY[] = { ITEMS };
#define ITEMS \
E(E_NO_ERROR, "Success") /* must be the first entry */ \
E(E_INVALID_REQ, "Invalid request") \
+ E(E_UNSUPP_PROTO, "Unsupported protocol") \
E(E_IP_UNAVAIL, "Chosen IP unavailable")
#define E(x, y) x,
@@ -60,22 +58,21 @@ static const char *const WG_DYNAMIC_ERR[] = { 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;
- int fd;
- wg_key pubkey;
- struct in6_addr lladdr;
unsigned char *buf;
- size_t buflen;
- struct wg_dynamic_attr *first, *last;
+ size_t len; /* <= MAX_LINESIZE */
+ void *result;
+};
+
+struct wg_dynamic_request_ip {
+ struct in_addr ipv4;
+ struct in6_addr ipv6;
+ uint8_t cidrv4, cidrv6;
+ uint32_t leasetime, start, wg_errno;
+ bool has_ipv4, has_ipv6;
+ char *errmsg;
};
struct wg_combined_ip {
@@ -89,14 +86,14 @@ struct wg_combined_ip {
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+int handle_request(int fd, struct wg_dynamic_request *req,
+ unsigned char buf[RECV_BUFSIZE + MAX_LINESIZE],
+ size_t *remaining);
void free_wg_dynamic_request(struct wg_dynamic_request *req);
-bool handle_request(struct wg_dynamic_request *req,
- bool (*success)(struct wg_dynamic_request *),
- bool (*error)(struct wg_dynamic_request *, int));
-bool send_message(struct wg_dynamic_request *req, const void *buf, size_t len);
+size_t serialize_request_ip(bool include_header, char *buf, size_t len,
+ struct wg_dynamic_request_ip *rip);
void print_to_buf(char *buf, size_t bufsize, size_t *offset, char *fmt, ...);
uint32_t current_time();
-void close_connection(struct wg_dynamic_request *req);
bool is_link_local(unsigned char *addr);
void iface_get_all_addrs(uint8_t family, mnl_cb_t data_cb, void *cb_data);
int data_attr_cb(const struct nlattr *attr, void *data);