int readconf ()
{
FILE *cfile;
char *val;
int token;
int declaration = 0;
new_parse (path_dhcpd_conf);
/* Set up the initial dhcp option universe. */
initialize_universes ();
/* Set up the global defaults... */
root_group.default_lease_time = 43200; /* 12 hours. */
root_group.max_lease_time = 86400; /* 24 hours. */
root_group.bootp_lease_cutoff = MAX_TIME;
root_group.boot_unknown_clients = 1;
root_group.allow_bootp = 1;
root_group.allow_booting = 1;
root_group.authoritative = 1;
if ((cfile = fopen (path_dhcpd_conf, "r")) == NULL) {
error ("Can't open %s: %m", path_dhcpd_conf);
}
do {
token = peek_token (&val, cfile);
if (token == EOF)
break;
declaration = parse_statement (cfile, &root_group,
ROOT_GROUP,
(struct host_decl *)0,
declaration);
} while (1);
token = next_token (&val, cfile); /* Clear the peek buffer */
return !warnings_occurred;
}
/*
* client-conf-file :== client-declarations EOF
* client-declarations :== <nil>
* | client-declaration
* | client-declarations client-declaration
*/
int
read_client_conf(void)
{
FILE *cfile;
char *val;
int token;
struct client_config *config;
new_parse(path_dhclient_conf);
/* Set up the initial dhcp option universe. */
initialize_universes();
/* Initialize the top level client configuration. */
memset(&top_level_config, 0, sizeof(top_level_config));
/* Set some defaults... */
top_level_config.timeout = 60;
top_level_config.select_interval = 0;
top_level_config.reboot_timeout = 10;
top_level_config.retry_interval = 300;
top_level_config.backoff_cutoff = 15;
top_level_config.initial_interval = 3;
top_level_config.bootp_policy = ACCEPT;
top_level_config.script_name = client_script_name;
top_level_config.requested_options
[top_level_config.requested_option_count++] = DHO_SUBNET_MASK;
top_level_config.requested_options
[top_level_config.requested_option_count++] = DHO_BROADCAST_ADDRESS;
top_level_config.requested_options
[top_level_config.requested_option_count++] = DHO_TIME_OFFSET;
top_level_config.requested_options
[top_level_config.requested_option_count++] = DHO_CLASSLESS_ROUTES;
top_level_config.requested_options
[top_level_config.requested_option_count++] = DHO_ROUTERS;
top_level_config.requested_options
[top_level_config.requested_option_count++] = DHO_DOMAIN_NAME;
top_level_config.requested_options
[top_level_config.requested_option_count++] =
DHO_DOMAIN_NAME_SERVERS;
top_level_config.requested_options
[top_level_config.requested_option_count++] = DHO_HOST_NAME;
top_level_config.requested_options
[top_level_config.requested_option_count++] = DHO_DOMAIN_SEARCH;
if ((cfile = fopen(path_dhclient_conf, "r")) != NULL) {
do {
token = peek_token(&val, cfile);
if (token == EOF)
break;
parse_client_statement(cfile, NULL, &top_level_config);
} while (1);
token = next_token(&val, cfile); /* Clear the peek buffer */
fclose(cfile);
}
/*
* Set up state and config structures for clients that don't
* have per-interface configuration declarations.
*/
config = NULL;
if (!ifi->client) {
ifi->client = malloc(sizeof(struct client_state));
if (!ifi->client)
error("no memory for client state.");
memset(ifi->client, 0, sizeof(*(ifi->client)));
}
if (!ifi->client->config) {
if (!config) {
config = malloc(sizeof(struct client_config));
if (!config)
error("no memory for client config.");
memcpy(config, &top_level_config,
sizeof(top_level_config));
}
ifi->client->config = config;
}
return (!warnings_occurred);
}
