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https://github.com/irssi/irssi.git
synced 2024-12-04 14:46:39 -05:00
Delete the HAVE_IPV6 ifdef.
Welcome to the future.
This commit is contained in:
LemonBoy
parent
dc03baa0d3
commit
87c0827471
@ -30,17 +30,11 @@
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union sockaddr_union {
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struct sockaddr sa;
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struct sockaddr_in sin;
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#ifdef HAVE_IPV6
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struct sockaddr_in6 sin6;
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#endif
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};
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#ifdef HAVE_IPV6
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# define SIZEOF_SOCKADDR(so) ((so).sa.sa_family == AF_INET6 ? \
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#define SIZEOF_SOCKADDR(so) ((so).sa.sa_family == AF_INET6 ? \
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sizeof(so.sin6) : sizeof(so.sin))
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#else
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# define SIZEOF_SOCKADDR(so) (sizeof(so.sin))
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#endif
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GIOChannel *g_io_channel_new(int handle)
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{
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@ -56,7 +50,7 @@ GIOChannel *g_io_channel_new(int handle)
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IPADDR ip4_any = {
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AF_INET,
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#if defined(HAVE_IPV6) && defined(IN6ADDR_ANY_INIT)
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#if defined(IN6ADDR_ANY_INIT)
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IN6ADDR_ANY_INIT
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#else
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{ INADDR_ANY }
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@ -68,10 +62,8 @@ int net_ip_compare(IPADDR *ip1, IPADDR *ip2)
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if (ip1->family != ip2->family)
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return 0;
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#ifdef HAVE_IPV6
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if (ip1->family == AF_INET6)
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return memcmp(&ip1->ip, &ip2->ip, sizeof(ip1->ip)) == 0;
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#endif
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return memcmp(&ip1->ip, &ip2->ip, 4) == 0;
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}
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@ -80,22 +72,16 @@ int net_ip_compare(IPADDR *ip1, IPADDR *ip2)
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static void sin_set_ip(union sockaddr_union *so, const IPADDR *ip)
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{
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if (ip == NULL) {
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#ifdef HAVE_IPV6
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so->sin6.sin6_family = AF_INET6;
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so->sin6.sin6_addr = in6addr_any;
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#else
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so->sin.sin_family = AF_INET;
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so->sin.sin_addr.s_addr = INADDR_ANY;
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#endif
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return;
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}
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so->sin.sin_family = ip->family;
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#ifdef HAVE_IPV6
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if (ip->family == AF_INET6)
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memcpy(&so->sin6.sin6_addr, &ip->ip, sizeof(ip->ip));
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else
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#endif
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memcpy(&so->sin.sin_addr, &ip->ip, 4);
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}
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@ -103,31 +89,25 @@ void sin_get_ip(const union sockaddr_union *so, IPADDR *ip)
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{
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ip->family = so->sin.sin_family;
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#ifdef HAVE_IPV6
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if (ip->family == AF_INET6)
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memcpy(&ip->ip, &so->sin6.sin6_addr, sizeof(ip->ip));
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else
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#endif
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memcpy(&ip->ip, &so->sin.sin_addr, 4);
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}
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static void sin_set_port(union sockaddr_union *so, int port)
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{
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#ifdef HAVE_IPV6
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if (so->sin.sin_family == AF_INET6)
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so->sin6.sin6_port = htons((unsigned short)port);
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else
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#endif
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so->sin.sin_port = htons((unsigned short)port);
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}
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static int sin_get_port(union sockaddr_union *so)
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{
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#ifdef HAVE_IPV6
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if (so->sin.sin_family == AF_INET6)
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return ntohs(so->sin6.sin6_port);
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#endif
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return ntohs(so->sin.sin_port);
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return ntohs((so->sin.sin_family == AF_INET6) ?
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so->sin6.sin6_port :
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so->sin.sin_port);
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}
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/* Connect to socket */
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@ -272,7 +252,7 @@ GIOChannel *net_listen(IPADDR *my_ip, int *port)
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/* create the socket */
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handle = socket(so.sin.sin_family, SOCK_STREAM, 0);
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#ifdef HAVE_IPV6
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if (handle == -1 && (errno == EINVAL || errno == EAFNOSUPPORT)) {
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/* IPv6 is not supported by OS */
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so.sin.sin_family = AF_INET;
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@ -280,7 +260,7 @@ GIOChannel *net_listen(IPADDR *my_ip, int *port)
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handle = socket(AF_INET, SOCK_STREAM, 0);
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}
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#endif
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if (handle == -1)
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return NULL;
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@ -399,21 +379,15 @@ int net_getsockname(GIOChannel *handle, IPADDR *addr, int *port)
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Returns 0 = ok, others = error code for net_gethosterror() */
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int net_gethostbyname(const char *addr, IPADDR *ip4, IPADDR *ip6)
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{
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#ifdef HAVE_IPV6
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union sockaddr_union *so;
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struct addrinfo hints, *ai, *ailist;
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int ret, count_v4, count_v6, use_v4, use_v6;
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#else
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struct hostent *hp;
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int count;
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#endif
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g_return_val_if_fail(addr != NULL, -1);
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memset(ip4, 0, sizeof(IPADDR));
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memset(ip6, 0, sizeof(IPADDR));
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#ifdef HAVE_IPV6
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memset(&hints, 0, sizeof(struct addrinfo));
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hints.ai_socktype = SOCK_STREAM;
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@ -454,44 +428,21 @@ int net_gethostbyname(const char *addr, IPADDR *ip4, IPADDR *ip6)
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}
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freeaddrinfo(ailist);
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return 0;
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#else
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hp = gethostbyname(addr);
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if (hp == NULL)
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return h_errno;
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/* count IPs */
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count = 0;
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while (hp->h_addr_list[count] != NULL)
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count++;
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if (count == 0)
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return HOST_NOT_FOUND; /* shouldn't happen? */
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/* if there are multiple addresses, return random one */
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ip4->family = AF_INET;
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memcpy(&ip4->ip, hp->h_addr_list[rand() % count], 4);
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return 0;
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#endif
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}
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/* Get name for host, *name should be g_free()'d unless it's NULL.
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Return values are the same as with net_gethostbyname() */
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int net_gethostbyaddr(IPADDR *ip, char **name)
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{
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#ifdef HAVE_IPV6
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union sockaddr_union so;
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int host_error;
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char hostname[NI_MAXHOST];
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#else
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struct hostent *hp;
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#endif
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g_return_val_if_fail(ip != NULL, -1);
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g_return_val_if_fail(name != NULL, -1);
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*name = NULL;
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#ifdef HAVE_IPV6
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memset(&so, 0, sizeof(so));
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sin_set_ip(&so, ip);
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@ -502,36 +453,15 @@ int net_gethostbyaddr(IPADDR *ip, char **name)
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return host_error;
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*name = g_strdup(hostname);
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#else
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if (ip->family != AF_INET) return -1;
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hp = gethostbyaddr((const char *) &ip->ip, 4, AF_INET);
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if (hp == NULL) return -1;
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*name = g_strdup(hp->h_name);
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#endif
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return 0;
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}
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int net_ip2host(IPADDR *ip, char *host)
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{
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#ifdef HAVE_IPV6
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if (!inet_ntop(ip->family, &ip->ip, host, MAX_IP_LEN))
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return -1;
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#else
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unsigned long ip4;
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if (ip->family != AF_INET) {
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strcpy(host, "0.0.0.0");
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} else {
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ip4 = ntohl(ip->ip.s_addr);
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g_snprintf(host, MAX_IP_LEN, "%lu.%lu.%lu.%lu",
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(ip4 & 0xff000000UL) >> 24,
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(ip4 & 0x00ff0000) >> 16,
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(ip4 & 0x0000ff00) >> 8,
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(ip4 & 0x000000ff));
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}
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#endif
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return 0;
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}
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@ -542,12 +472,8 @@ int net_host2ip(const char *host, IPADDR *ip)
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if (strchr(host, ':') != NULL) {
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/* IPv6 */
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ip->family = AF_INET6;
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#ifdef HAVE_IPV6
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if (inet_pton(AF_INET6, host, &ip->ip) == 0)
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return -1;
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#else
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ip->ip.s_addr = 0;
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#endif
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} else {
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/* IPv4 */
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ip->family = AF_INET;
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@ -582,40 +508,20 @@ int net_geterror(GIOChannel *handle)
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/* get error of net_gethostname() */
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const char *net_gethosterror(int error)
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{
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#ifdef HAVE_IPV6
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g_return_val_if_fail(error != 0, NULL);
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return gai_strerror(error);
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#else
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switch (error) {
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case HOST_NOT_FOUND:
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return "Host not found";
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case NO_ADDRESS:
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return "No IP address found for name";
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case NO_RECOVERY:
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return "A non-recovable name server error occurred";
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case TRY_AGAIN:
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return "A temporary error on an authoritative name server";
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}
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/* unknown error */
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return NULL;
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#endif
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}
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/* return TRUE if host lookup failed because it didn't exist (ie. not
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some error with name server) */
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int net_hosterror_notfound(int error)
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{
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#ifdef HAVE_IPV6
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#ifdef EAI_NODATA /* NODATA is deprecated */
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return error != 1 && (error == EAI_NONAME || error == EAI_NODATA);
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#else
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return error != 1 && (error == EAI_NONAME);
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#endif
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#else
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return error == HOST_NOT_FOUND || error == NO_ADDRESS;
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#endif
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}
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/* Get name of TCP service */
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@ -21,19 +21,11 @@
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struct _IPADDR {
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unsigned short family;
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#ifdef HAVE_IPV6
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struct in6_addr ip;
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#else
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struct in_addr ip;
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#endif
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};
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/* maxmimum string length of IP address */
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#ifdef HAVE_IPV6
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# define MAX_IP_LEN INET6_ADDRSTRLEN
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#else
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# define MAX_IP_LEN 20
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#endif
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#define MAX_IP_LEN INET6_ADDRSTRLEN
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#define IPADDR_IS_V6(ip) ((ip)->family != AF_INET)
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