90 lines
No EOL
1.7 KiB
C
90 lines
No EOL
1.7 KiB
C
//
|
|
// Created by akp on 06/10/23.
|
|
//
|
|
#pragma once
|
|
|
|
#include "akpa_util.c"
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
struct IP {
|
|
unsigned char val[4];
|
|
};
|
|
|
|
int compare_ip(struct IP *a, struct IP *b) {
|
|
int result = 0;
|
|
for (int i = 0; i < 4 && result == 0; i += 1) {
|
|
result = akpa_numcmp(a->val[i], b->val[i]);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
struct IPRange {
|
|
struct IP start;
|
|
struct IP *end;
|
|
};
|
|
|
|
typedef unsigned short Port;
|
|
|
|
struct PortRange {
|
|
Port start;
|
|
Port *end;
|
|
};
|
|
|
|
struct Rule {
|
|
struct IPRange ip;
|
|
struct PortRange port;
|
|
};
|
|
|
|
int compare_rule(struct Rule *a, struct Rule *b) {
|
|
int result = compare_ip(&a->ip.start, &b->ip.start);
|
|
|
|
if (result == 0) {
|
|
result = akpa_numcmp(a->port.start, b->port.start);
|
|
}
|
|
|
|
if (result == 0) {
|
|
if ((a->port.end != NULL) || (b->port.end != NULL)) {
|
|
result = akpa_numcmp(*a->port.end, *b->port.end);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
int compare_rule_v(const void *a, const void *b) {
|
|
return compare_rule(*((struct Rule **)a), *((struct Rule **)b));
|
|
}
|
|
|
|
void free_rule(struct Rule *r) {
|
|
if (r->ip.end != NULL) {
|
|
free(r->ip.end);
|
|
}
|
|
if (r->port.end != NULL) {
|
|
free(r->port.end);
|
|
}
|
|
free(r);
|
|
}
|
|
|
|
void print_ip(struct IP *ip) {
|
|
printf("%d.%d.%d.%d", ip->val[0], ip->val[1], ip->val[2], ip->val[3]);
|
|
}
|
|
|
|
void print_port(Port port) { printf("%d", port); }
|
|
|
|
void print_rule(struct Rule *r) {
|
|
print_ip(&r->ip.start);
|
|
if (r->ip.end != NULL) {
|
|
printf("-");
|
|
print_ip(r->ip.end);
|
|
}
|
|
|
|
printf(" ");
|
|
|
|
print_port(r->port.start);
|
|
if (r->port.end != NULL) {
|
|
printf("-");
|
|
print_port(*r->port.end);
|
|
}
|
|
} |