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tpws: multi-strategy

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bol-van
2024-09-19 21:06:58 +03:00
parent 9684e647ab
commit d4a7eef17e
12 changed files with 624 additions and 323 deletions
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27
tpws/helpers.c
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@@ -164,6 +164,21 @@ bool saconvmapped(struct sockaddr_storage *a)
return false;
}
void sacopy(struct sockaddr_storage *sa_dest, const struct sockaddr *sa)
{
switch(sa->sa_family)
{
case AF_INET:
memcpy(sa_dest,sa,sizeof(struct sockaddr_in));
break;
case AF_INET6:
memcpy(sa_dest,sa,sizeof(struct sockaddr_in6));
break;
default:
sa_dest->ss_family = 0;
}
}
bool is_localnet(const struct sockaddr *a)
{
// match 127.0.0.0/8, 0.0.0.0, ::1, ::0, :ffff:127.0.0.0/104, :ffff:0.0.0.0
@@ -243,7 +258,7 @@ bool pf_parse(const char *s, port_filter *pf)
unsigned int v1,v2;
if (!s) return false;
if (*s=='~')
if (*s=='~')
{
pf->neg=true;
s++;
@@ -252,16 +267,22 @@ bool pf_parse(const char *s, port_filter *pf)
pf->neg=false;
if (sscanf(s,"%u-%u",&v1,&v2)==2)
{
if (!v1 || v1>65535 || v2>65535 || v1>v2) return false;
if (v1>65535 || v2>65535 || v1>v2) return false;
pf->from=(uint16_t)v1;
pf->to=(uint16_t)v2;
}
else if (sscanf(s,"%u",&v1)==1)
{
if (!v1 || v1>65535) return false;
if (v1>65535) return false;
pf->to=pf->from=(uint16_t)v1;
}
else
return false;
// deny all case
if (!pf->from && !pf->to) pf->neg=true;
return true;
}
bool pf_is_empty(const port_filter *pf)
{
return !pf->neg && !pf->from && !pf->to;
}