systems.c revision 31068 
1/*
2 *	          System configuration routines
3 *
4 *	    Written by Toshiharu OHNO (tony-o@iij.ad.jp)
5 *
6 *   Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
7 *
8 * Redistribution and use in source and binary forms are permitted
9 * provided that the above copyright notice and this paragraph are
10 * duplicated in all such forms and that any documentation,
11 * advertising materials, and other materials related to such
12 * distribution and use acknowledge that the software was developed
13 * by the Internet Initiative Japan, Inc.  The name of the
14 * IIJ may not be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 *
20 * $Id: systems.c,v 1.19 1997/11/09 06:22:48 brian Exp $
21 *
22 *  TODO:
23 */
24#include <sys/param.h>
25#include <netinet/in.h>
26
27#include <stdio.h>
28#include <stdlib.h>
29#include <string.h>
30#include <unistd.h>
31
32#include "mbuf.h"
33#include "log.h"
34#include "id.h"
35#include "defs.h"
36#include "timer.h"
37#include "fsm.h"
38#include "loadalias.h"
39#include "command.h"
40#include "ipcp.h"
41#include "pathnames.h"
42#include "vars.h"
43#include "server.h"
44#include "systems.h"
45
46FILE *
47OpenSecret(char *file)
48{
49  FILE *fp;
50  char line[100];
51
52  snprintf(line, sizeof line, "%s/%s", _PATH_PPP, file);
53  fp = ID0fopen(line, "r");
54  if (fp == NULL)
55    LogPrintf(LogWARN, "OpenSecret: Can't open %s.\n", line);
56  return (fp);
57}
58
59void
60CloseSecret(FILE * fp)
61{
62  fclose(fp);
63}
64
65int
66SelectSystem(char *name, char *file)
67{
68  FILE *fp;
69  char *cp, *wp;
70  int n, len;
71  u_char olauth;
72  char line[200];
73  char filename[200];
74  int linenum;
75
76  snprintf(filename, sizeof filename, "%s/%s", _PATH_PPP, file);
77  fp = ID0fopen(filename, "r");
78  if (fp == NULL) {
79    LogPrintf(LogDEBUG, "SelectSystem: Can't open %s.\n", filename);
80    return (-1);
81  }
82  LogPrintf(LogDEBUG, "SelectSystem: Checking %s (%s).\n", name, filename);
83
84  linenum = 0;
85  while (fgets(line, sizeof(line), fp)) {
86    linenum++;
87    cp = line;
88    switch (*cp) {
89    case '#':			/* comment */
90      break;
91    case ' ':
92    case '\t':
93      break;
94    default:
95      wp = strpbrk(cp, ":\n");
96      if (wp == NULL) {
97	LogPrintf(LogWARN, "Bad rule in %s (line %d) - missing colon.\n",
98		  filename, linenum);
99	ServerClose();
100	exit(1);
101      }
102      *wp = '\0';
103      if (strcmp(cp, name) == 0) {
104	while (fgets(line, sizeof(line), fp)) {
105	  cp = line;
106	  if (*cp == ' ' || *cp == '\t') {
107	    n = strspn(cp, " \t");
108	    cp += n;
109            len = strlen(cp);
110            if (!len)
111              continue;
112            if (cp[len-1] == '\n')
113              cp[--len] = '\0';
114            if (!len)
115              continue;
116	    LogPrintf(LogCOMMAND, "%s: %s\n", name, cp);
117	    olauth = VarLocalAuth;
118	    if (VarLocalAuth == LOCAL_NO_AUTH)
119	      VarLocalAuth = LOCAL_AUTH;
120	    DecodeCommand(cp, len, 0);
121	    VarLocalAuth = olauth;
122	  } else if (*cp == '#') {
123	    continue;
124	  } else
125	    break;
126	}
127	fclose(fp);
128	return (0);
129      }
130      break;
131    }
132  }
133  fclose(fp);
134  return -1;
135}
136
137int
138LoadCommand(struct cmdtab const * list, int argc, char **argv)
139{
140  char *name;
141
142  if (argc > 0)
143    name = *argv;
144  else
145    name = "default";
146
147  if (SelectSystem(name, CONFFILE) < 0) {
148    LogPrintf(LogWARN, "%s: not found.\n", name);
149    return -1;
150  }
151  return 0;
152}
153
154int
155SaveCommand(struct cmdtab const *list, int argc, char **argv)
156{
157  LogPrintf(LogWARN, "save command is not implemented (yet).\n");
158  return 1;
159}
160