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Autoselect ipv4/ipv6

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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
This commit is contained in:
Adrien Gallouët
2018-02-15 14:10:28 +00:00
parent 219e17edb6
commit 6e5e2dea64
2 changed files with 13 additions and 3 deletions
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14
mud.c
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@@ -29,6 +29,12 @@
#define MSG_CONFIRM 0
#endif
#if defined __linux__
#define MUD_V4V6 1
#else
#define MUD_V4V6 0
#endif
#if defined IP_PKTINFO
#define MUD_PKTINFO IP_PKTINFO
#define MUD_PKTINFO_SRC(X) &((struct in_pktinfo *)(X))->ipi_addr
@@ -776,7 +782,7 @@ mud_set_aes(struct mud *mud)
}
struct mud *
mud_create(struct sockaddr *addr, int v4, int v6)
mud_create(struct sockaddr *addr)
{
if (!addr)
return NULL;
@@ -786,14 +792,19 @@ mud_create(struct sockaddr *addr, int v4, int v6)
if (now >> 48)
return NULL;
int v4, v6;
socklen_t addrlen = 0;
switch (addr->sa_family) {
case AF_INET:
addrlen = sizeof(struct sockaddr_in);
v4 = 1;
v6 = 0;
break;
case AF_INET6:
addrlen = sizeof(struct sockaddr_in6);
v4 = MUD_V4V6;
v6 = 1;
break;
default:
return NULL;
@@ -808,7 +819,6 @@ mud_create(struct sockaddr *addr, int v4, int v6)
return NULL;
memset(mud, 0, sizeof(struct mud));
mud->fd = socket(addr->sa_family, SOCK_DGRAM, IPPROTO_UDP);
if ((mud->fd == -1) ||