lokinet/llarp/exit_route.c

#include <arpa/inet.h>
#include <llarp/bencode.h>
#include <llarp/exit_route.h>
#include <llarp/string.h>

bool llarp_xr_bencode(struct llarp_xr* xr, llarp_buffer_t* buff) {
  char addr_buff[128] = {0};
  const char* addr;

  if (!bencode_start_dict(buff)) return false;

  /** gateway */
  addr = inet_ntop(AF_INET6, &xr->gateway, addr_buff, sizeof(addr_buff));
  if (!addr) return false;
  if (!bencode_write_bytestring(buff, "a", 1)) return false;
  if (!bencode_write_bytestring(buff, addr, strnlen(addr, sizeof(addr_buff))))
    return false;

  /** netmask */
  addr = inet_ntop(AF_INET6, &xr->netmask, addr_buff, sizeof(addr_buff));
  if (!addr) return false;
  if (!bencode_write_bytestring(buff, "b", 1)) return false;
  if (!bencode_write_bytestring(buff, addr, strnlen(addr, sizeof(addr_buff))))
    return false;

  /** source */
  addr = inet_ntop(AF_INET6, &xr->source, addr_buff, sizeof(addr_buff));
  if (!addr) return false;
  if (!bencode_write_bytestring(buff, "c", 1)) return false;
  if (!bencode_write_bytestring(buff, addr, strnlen(addr, sizeof(addr_buff))))
    return false;

  /** lifetime */
  if (!bencode_write_bytestring(buff, "l", 1)) return false;
  if (!bencode_write_uint64(buff, xr->lifetime)) return false;

  /** version */
  if (!bencode_write_version_entry(buff)) return false;

  /* end */
  return bencode_end(buff);
}