90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
/* $NetBSD: config.c,v 1.5 1998/07/15 07:31:56 msaitoh Exp $ */
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/*
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** config.c This file handles the config file
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**
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** This program is in the public domain and may be used freely by anyone
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** who wants to.
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**
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** Last update: 6 Dec 1992
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**
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** Please send bug fixes/bug reports to: Peter Eriksson <pen@lysator.liu.se>
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include "error.h"
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#include "identd.h"
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#include "paths.h"
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#define MAXLINE 1024
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#define MAXNETS 1024
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u_long localnet[MAXNETS], localmask[MAXNETS];
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int netcnt;
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int parse_config(path, silent_flag)
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char *path;
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int silent_flag;
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{
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FILE *fp;
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char *start, buf[MAXLINE];
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if (!path)
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path = PATH_CONFIG;
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fp = fopen(path, "r");
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if (!fp)
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{
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if (silent_flag)
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return 0;
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ERROR1("error opening %s", path);
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}
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netcnt = 0;
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while ((start = fgets(buf, sizeof buf, fp)) != NULL) {
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char *net, *mask;
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char *cmd = strtok(buf, " \t");
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if (cmd) {
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if (!strcmp("trusted-net:", cmd)) {
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if (netcnt >= MAXNETS) {
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if (!silent_flag)
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ERROR1("too many networks defined in %s", path);
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return 0;
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}
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net = strtok(NULL, " \t");
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if (net) {
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localnet[netcnt] = inet_network(net);
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mask = strtok(NULL, " \t");
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if (mask) {
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localmask[netcnt] = inet_network(mask);
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} else {
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localmask[netcnt] = 0xFFFFFFFFL;
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}
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if ((localnet[netcnt] & localmask[netcnt]) == localnet[netcnt]) {
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netcnt++;
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} else if (!silent_flag) {
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ERROR1("netmask does not match network %s", net);
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}
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} else {
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if (!silent_flag)
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ERROR2("format error in %s cmd %s", path, cmd);
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}
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} else if (*cmd != '#') {
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ERROR2("unknown config statement %s in file %s", cmd, path);
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}
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}
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}
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fclose(fp);
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return 0;
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}
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