mac_filter.c

来自「API」· C语言 代码 · 共 26 行

#include <stdio.h>

#include "all.h"

int mac_filter(char *bankid)
{
	FILE *fp;
	char path[64];

	sprintf(path, "%s/etc/MAC_FILTER", getenv("WORKDIR"));

	if ((fp = fopen(path, "r")) == NULL) return(1);

	while (!feof(fp)) {
		fscanf(fp, "%s\n", path);

		if (!memcmp(path, bankid, 4)) {
			fclose(fp);
			return(0);
		}
	}

	fclose(fp);
	return(1);
}