2 conf.c -- configuration code
3 Copyright (C) 1998 Emphyrio,
4 Copyright (C) 1998,1999,2000 Ivo Timmermans <zarq@iname.com>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 /* Created more dynamic storage for lines read from the config file. --
36 #include "netutl.h" /* for strtoip */
42 int timeout = 0; /* seconds before timeout */
44 typedef struct internal_config_t {
51 These are all the possible configurable values
53 static internal_config_t hazahaza[] = {
54 { "AllowConnect", allowconnect, TYPE_BOOL }, /* Is not used anywhere. Remove? */
55 { "ConnectTo", upstreamip, TYPE_IP },
56 { "ConnectPort", upstreamport, TYPE_INT },
57 { "ListenPort", listenport, TYPE_INT },
58 { "MyOwnVPNIP", myvpnip, TYPE_IP },
59 { "MyVirtualIP", myvpnip, TYPE_IP }, /* an alias */
60 { "Passphrases", passphrasesdir, TYPE_NAME },
61 { "PingTimeout", pingtimeout, TYPE_INT },
62 { "TapDevice", tapdevice, TYPE_NAME },
63 { "KeyExpire", keyexpire, TYPE_INT },
64 { "VpnMask", vpnmask, TYPE_IP },
69 Add given value to the list of configs cfg
72 add_config_val(config_t **cfg, int argtype, char *val)
77 p = (config_t*)xmalloc(sizeof(*p));
83 p->data.val = strtol(val, &q, 0);
88 p->data.ptr = xmalloc(strlen(val) + 1);
89 strcpy(p->data.ptr, val);
92 p->data.ip = strtoip(val);
95 if(!strcasecmp("yes", val))
96 p->data.val = stupid_true;
97 else if(!strcasecmp("no", val))
98 p->data.val = stupid_false;
115 Get variable from a section in a configfile. returns -1 on failure.
118 readconfig(const char *fname, FILE *fp)
120 char *line, *temp_buf;
125 line = (char *)xmalloc(80 * sizeof(char));
126 temp_buf = (char *)xmalloc(80 * sizeof(char));
130 if(fgets(line, 80, fp) == NULL)
133 while(!index(line, '\n'))
135 fgets(temp_buf, (strlen(line)+1) * 80, fp);
138 strcat(line, temp_buf);
139 line = (char *)xrealloc(line, (strlen(line)+1) * sizeof(char));
143 if((p = strtok(line, "\t\n\r =")) == NULL)
144 continue; /* no tokens on this line */
147 continue; /* comment: ignore */
149 for(i = 0; hazahaza[i].name != NULL; i++)
150 if(!strcasecmp(hazahaza[i].name, p))
153 if(!hazahaza[i].name)
155 fprintf(stderr, _("%s: %d: Invalid variable name `%s'.\n"),
160 if(((q = strtok(NULL, "\t\n\r =")) == NULL) || q[0] == '#')
162 fprintf(stderr, _("%s: %d: No value given for `%s'.\n"),
163 fname, lineno, hazahaza[i].name);
167 cfg = add_config_val(&config, hazahaza[i].argtype, q);
170 fprintf(stderr, _("%s: %d: Invalid value `%s' for variable `%s'.\n"),
171 fname, lineno, q, hazahaza[i].name);
175 cfg->which = hazahaza[i].which;
182 wrapper function for readconfig
185 read_config_file(const char *fname)
189 if((fp = fopen (fname, "r")) == NULL)
191 fprintf(stderr, _("Could not open %s: %s\n"), fname, sys_errlist[errno]);
195 if(readconfig(fname, fp))
204 Look up the value of the config option type
207 get_config_val(which_t type)
211 for(p = config; p != NULL; p = p->next)