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strip the prefix from ipv4-mapped addresses #73

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strip the prefix from ipv4-mapped addresses #73

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5256307
cast addr to new variable in6_addr
eworm-de Jan 27, 2025
81badcb
strip the prefix from ipv4-mapped addresses
eworm-de Jan 16, 2025
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8 changes: 6 additions & 2 deletions darkhttpd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -797,8 +797,12 @@ static const char *get_address_text(const void *addr) {
#ifdef HAVE_INET6
if (inet6) {
static char text_addr[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, (const struct in6_addr *)addr, text_addr,
INET6_ADDRSTRLEN);
const struct in6_addr *in6_addr = addr;
inet_ntop(AF_INET6, in6_addr, text_addr, INET6_ADDRSTRLEN);
/* IPv4 addresses via dual stack result in mapped IPv6 addresses.
Strip the prefix (::ffff:) for plain IPv4 addresses. */
if (IN6_IS_ADDR_V4MAPPED(in6_addr))
return text_addr + 7;
return text_addr;
} else
#endif
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