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e4224f72d4
Structure for a net address. We can expand it later to cover exotic address types (Tor?). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#include "netaddr.h"
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#include <arpa/inet.h>
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#include <ccan/cast/cast.h>
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#include <ccan/tal/str/str.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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void netaddr_to_addrinfo(struct addrinfo *ai, const struct netaddr *a)
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{
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ai->ai_flags = 0;
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ai->ai_family = a->saddr.s.sa_family;
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ai->ai_socktype = a->type;
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ai->ai_protocol = a->protocol;
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ai->ai_addrlen = a->addrlen;
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ai->ai_addr = cast_const(struct sockaddr *, &a->saddr.s);
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ai->ai_canonname = NULL;
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ai->ai_next = NULL;
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}
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char *netaddr_name(const tal_t *ctx, const struct netaddr *a)
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{
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char name[INET6_ADDRSTRLEN];
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const void *sockaddr;
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uint16_t port;
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switch (a->saddr.s.sa_family) {
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case AF_INET:
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sockaddr = &a->saddr.ipv4.sin_addr;
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port = ntohs(a->saddr.ipv4.sin_port);
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break;
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case AF_INET6:
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sockaddr = &a->saddr.ipv6.sin6_addr;
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port = ntohs(a->saddr.ipv6.sin6_port);
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break;
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default:
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return tal_fmt(ctx, "Unknown protocol %u", a->saddr.s.sa_family);
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}
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if (!inet_ntop(a->saddr.s.sa_family, sockaddr, name, sizeof(name)))
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sprintf(name, "Unprintable-%u-address", a->saddr.s.sa_family);
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return tal_fmt(ctx, "%s:%u", name, port);
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}
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