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nfqws: multi strategy

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This commit is contained in:
bol-van
2024-09-17 19:57:21 +03:00
parent 8c94e3230e
commit c532ec4f75
30 changed files with 919 additions and 461 deletions
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28
nfq/helpers.c
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@@ -1,12 +1,13 @@
#define _GNU_SOURCE
#include "helpers.h"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/stat.h>
#include <libgen.h>
#include "params.h"
@@ -320,7 +321,7 @@ 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++;
@@ -329,19 +330,25 @@ 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;
}
void fill_random_bytes(uint8_t *p,size_t sz)
{
@@ -364,3 +371,16 @@ void fill_random_az09(uint8_t *p,size_t sz)
p[k] = rnd<10 ? rnd+'0' : 'a'+rnd-10;
}
}
bool cd_to_exe_dir(const char *argv0)
{
char *s,*d;
bool bOK=false;
if ((s = strdup(argv0)))
{
if ((d = dirname(s)))
bOK = !chdir(d);
free(s);
}
return bOK;
}