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tpws: move portfilter code

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bol-van
2024-04-26 17:23:03 +03:00
parent f48617e1a3
commit 147af10b61
5 changed files with 41 additions and 43 deletions
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32
tpws/helpers.c
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@@ -229,3 +229,35 @@ time_t file_mod_time(const char *filename)
struct stat st;
return stat(filename,&st)==-1 ? 0 : st.st_mtime;
}
bool pf_in_range(uint16_t port, const port_filter *pf)
{
return port && ((!pf->from && !pf->to || port>=pf->from && port<=pf->to) ^ pf->neg);
}
bool pf_parse(const char *s, port_filter *pf)
{
unsigned int v1,v2;
if (!s) return false;
if (*s=='~')
{
pf->neg=true;
s++;
}
else
pf->neg=false;
if (sscanf(s,"%u-%u",&v1,&v2)==2)
{
if (!v1 || 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;
pf->to=pf->from=(uint16_t)v1;
}
else
return false;
return true;
}