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nfqws: special case for ip looking hostnames

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bol-van
2025-08-01 11:21:23 +03:00
parent 2d704a859d
commit dfe36aee4c
9 changed files with 109 additions and 35 deletions
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53
nfq/helpers.c
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@@ -124,6 +124,59 @@ void expand_bits(void *target, const void *source, unsigned int source_bitlen, u
if ((bitlen &= 7)) ((uint8_t*)target)[bytelen] = ((uint8_t*)source)[bytelen] & (~((1 << (8-bitlen)) - 1));
}
// " [fd00::1]"
// "[fd00::1]:8000"
// "127.0.0.1"
// " 127.0.0.1:8000"
bool strip_host_to_ip(char *host)
{
size_t l;
char *h,*p;
uint8_t addr[16];
for (h = host ; *h==' ' || *h=='\t' ; h++);
l = strlen(h);
if (l>=2)
{
if (*h=='[')
{
// ipv6 ?
for (p=++h ; *p && *p!=']' ; p++);
if (*p==']')
{
l = p-h;
memmove(host,h,l);
host[l]=0;
return inet_pton(AF_INET6, host, addr)>0;
}
}
else
{
if (inet_pton(AF_INET6, h, addr)>0)
{
// ipv6 ?
if (host!=h)
{
l = strlen(h);
memmove(host,h,l);
host[l]=0;
}
return true;
}
else
{
// ipv4 ?
for (p=h ; *p && *p!=':' ; p++);
l = p-h;
if (host!=h) memmove(host,h,l);
host[l]=0;
return inet_pton(AF_INET, host, addr)>0;
}
}
}
return false;
}
void ntop46(const struct sockaddr *sa, char *str, size_t len)
{
if (!len) return;