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#include "bitcoin/pullpush.h"
#include "netaddr.h"
#include <arpa/inet.h>
#include <assert.h>
#include <ccan/cast/cast.h>
#include <ccan/endian/endian.h>
#include <ccan/short_types/short_types.h>
#include <ccan/str/hex/hex.h>
#include <ccan/tal/str/str.h>
#include <common/type_to_string.h>
#include <common/utils.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
void netaddr_to_addrinfo(struct addrinfo *ai, const struct netaddr *a)
{
ai->ai_flags = 0;
ai->ai_family = a->saddr.s.sa_family;
ai->ai_socktype = a->type;
ai->ai_protocol = a->protocol;
ai->ai_addrlen = a->addrlen;
ai->ai_addr = cast_const(struct sockaddr *, &a->saddr.s);
ai->ai_canonname = NULL;
ai->ai_next = NULL;
}
char *netaddr_name(const tal_t *ctx, const struct netaddr *a)
{
char name[INET6_ADDRSTRLEN];
const void *sockaddr;
uint16_t port;
switch (a->saddr.s.sa_family) {
case AF_INET:
sockaddr = &a->saddr.ipv4.sin_addr;
port = ntohs(a->saddr.ipv4.sin_port);
break;
case AF_INET6:
sockaddr = &a->saddr.ipv6.sin6_addr;
port = ntohs(a->saddr.ipv6.sin6_port);
break;
default:
return tal_fmt(ctx, "Unknown protocol %u", a->saddr.s.sa_family);
}
if (!inet_ntop(a->saddr.s.sa_family, sockaddr, name, sizeof(name)))
sprintf(name, "Unprintable-%u-address", a->saddr.s.sa_family);
return tal_fmt(ctx, "%s:%u", name, port);
}
char *netaddr_to_hex(const tal_t *ctx, const struct netaddr *a)
{
u8 *blob = tal_arr(ctx, u8, 0);
char *hex;
push_le32(a->type, push, &blob);
push_le32(a->protocol, push, &blob);
push_le32(a->addrlen, push, &blob);
assert(a->addrlen <= sizeof(a->saddr));
push(&a->saddr, a->addrlen, &blob);
hex = tal_hex(ctx, blob);
tal_free(blob);
return hex;
}
bool netaddr_from_blob(const void *linear, size_t len, struct netaddr *a)
{
const u8 *p = linear;
a->type = pull_le32(&p, &len);
a->protocol = pull_le32(&p, &len);
a->addrlen = pull_le32(&p, &len);
if (a->addrlen > sizeof(a->saddr))
return false;
pull(&p, &len, &a->saddr, a->addrlen);
return p != NULL && len == 0;
}
bool netaddr_from_fd(int fd, int type, int protocol, struct netaddr *a)
{
a->type = type;
a->protocol = protocol;
a->addrlen = sizeof(a->saddr);
return getpeername(fd, &a->saddr.s, &a->addrlen) == 0;
}
REGISTER_TYPE_TO_STRING(netaddr, netaddr_name);