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Polyfill IPv6 on non-Linux

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This commit is contained in:
Justine Tunney 2022-09-08 06:06:22 -07:00
parent b73e35c6fa
commit 0547eabcd6
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GPG key ID: BE714B4575D6E328
10 changed files with 185 additions and 78 deletions
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11
libc/sock/sockaddr2linux.c
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@ -19,6 +19,7 @@
#include "libc/macros.internal.h"
#include "libc/sock/internal.h"
#include "libc/sock/struct/sockaddr.internal.h"
#include "libc/sock/struct/sockaddr6-bsd.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/af.h"
#include "libc/sysv/errfuns.h"
@ -42,6 +43,16 @@ void sockaddr2linux(const union sockaddr_storage_bsd *addr, uint32_t addrsize,
out_addr->sin.sin_addr = addr->sin.sin_addr;
*inout_addrsize = sizeof(struct sockaddr_in);
}
} else if (addr->sa.sa_family == AF_INET6) {
if (addrsize >= sizeof(struct sockaddr_in6_bsd) &&
size >= sizeof(struct sockaddr_in6)) {
out_addr->sin6.sin6_family = AF_INET6;
out_addr->sin6.sin6_port = addr->sin6.sin6_port;
out_addr->sin6.sin6_addr = addr->sin6.sin6_addr;
out_addr->sin6.sin6_flowinfo = addr->sin6.sin6_flowinfo;
out_addr->sin6.sin6_scope_id = addr->sin6.sin6_scope_id;
*inout_addrsize = sizeof(struct sockaddr_in6);
}
} else if (addr->sa.sa_family == AF_UNIX) {
if (addrsize >=
sizeof(addr->sun.sun_len) + sizeof(addr->sun.sun_family) &&