AKP
be3eece61c
Add `.clang-format` Update `checkPacket.c` Update `parser.c` Update `readFirewall.c` Update `types.c`
82 lines
No EOL
1.5 KiB
C
82 lines
No EOL
1.5 KiB
C
//
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// Created by akp on 06/10/23.
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//
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#include "akpa_util.c"
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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struct IP {
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unsigned char val[4];
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};
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int compare_ip(struct IP *a, struct IP *b) {
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int result = 0;
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for (int i = 0; i < 4 && result == 0; i += 1) {
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result = akpa_numcmp(a->val[i], b->val[i]);
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}
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return result;
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}
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struct IPRange {
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struct IP start;
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struct IP *end;
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};
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typedef unsigned short Port;
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struct PortRange {
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Port start;
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Port *end;
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};
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struct Rule {
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struct IPRange ip;
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struct PortRange port;
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};
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int compare_rule(struct Rule *a, struct Rule *b) {
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int result = compare_ip(&a->ip.start, &b->ip.start);
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if (result == 0) {
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result = akpa_numcmp(a->port.start, b->port.start);
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}
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return result;
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}
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int compare_rule_v(const void *a, const void *b) {
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return compare_rule(*((struct Rule **)a), *((struct Rule **)b));
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}
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void free_rule(struct Rule *r) {
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if (r->ip.end != NULL) {
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free(r->ip.end);
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}
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if (r->port.end != NULL) {
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free(r->port.end);
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}
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free(r);
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}
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void print_ip(struct IP *ip) {
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printf("%d.%d.%d.%d", ip->val[0], ip->val[1], ip->val[2], ip->val[3]);
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}
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void print_port(Port port) { printf("%d", port); }
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void print_rule(struct Rule *r) {
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print_ip(&r->ip.start);
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if (r->ip.end != NULL) {
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printf("-");
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print_ip(r->ip.end);
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}
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printf(" ");
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print_port(r->port.start);
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if (r->port.end != NULL) {
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printf("-");
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print_port(*r->port.end);
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}
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} |