mn_config.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "fileio.h"
#include "debug.h"
#include "auth.h"
#include "mn.h"

Include dependency graph for mn_config.c:

Go to the source code of this file.

Data Structures
struct	load_mn_data
Defines
#define	DEBUG_FLAG   'M'
Functions
int	load_mn (struct mn_config *cfg, char *program_name, char *config_file)

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Define Documentation

#define DEBUG_FLAG   'M'

Definition at line 27 of file mn_config.c.

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Function Documentation

int load_mn	(	struct mn_config *	cfg,
		char *	program_name,
		char *	config_file
	)

Definition at line 543 of file mn_config.c.

References mn_config::alt_ha_ip_addrs, mn_config::auth_alg, load_mn_data::cfg, mn_config::fa_spi_list, FALSE, mn_config::ha_ip_addr_orig, mn_config::home_net_addr, mn_config::home_net_addr_plen, mn_config::home_net_subnet_bc, mn_config::ignore_iflist, mn, MN_DEFAULT_SYSLOG_FACILITY, MN_DEFAULT_TUNNEL_LIFETIME, mn_config::mn_default_tunnel_lifetime, mn_config::mn_home_ip_addr_orig, MNDECAPS_ROUTE_DEFAULT, mn_config::mndecaps_route_handling, mn_config::replay_meth, mn_config::shared_secret_len, mn_config::socket_priority, mn_config::solicitation_interval, mn_config::syslog_facility, TRUE, TUNMODE_AUTO_REVERSE, mn_config::tunneling_mode, mn_config::udp_port, mn_config::use_hadisc, and mn_config::wlan_ap_poll_interval.

Referenced by mn_init().

                                                                          {
        FILE *file;
        struct load_mn_data mn;
        int i;

        mn.cfg = cfg;
        memset(cfg, '\0', sizeof(struct mn_config));
        cfg->mn_default_tunnel_lifetime = MN_DEFAULT_TUNNEL_LIFETIME;
        cfg->syslog_facility = MN_DEFAULT_SYSLOG_FACILITY;

        cfg->shared_secret_len = -1;
        cfg->auth_alg = 1;
        cfg->replay_meth = 1;
        cfg->udp_port = 434;
        cfg->socket_priority = -1;
        cfg->home_net_addr_plen = -1;
        cfg->mndecaps_route_handling = MNDECAPS_ROUTE_DEFAULT;
        cfg->tunneling_mode = TUNMODE_AUTO_REVERSE;
        cfg->wlan_ap_poll_interval = -1;
        cfg->solicitation_interval = -1;
        mn.process_fa_spi_list = FALSE;
        mn.process_ignore_iflist = FALSE;
        list_init(&cfg->fa_spi_list);
        list_init(&cfg->ignore_iflist);
        list_init(&cfg->alt_ha_ip_addrs);

#ifdef BIND_UDP_SOCKET
        cfg->bind_addr.s_addr = INADDR_ANY;
        cfg->bind_port = htons(cfg->udp_port);
#endif

        file = fopen(config_file, "r");
        if (file == NULL) {
                fprintf(stderr,
                        "%s: Could not open configuration file '%s'.\n",
                        program_name, config_file);
                return FALSE;
        }
        if (load_data(&mn, file, process_load_mn) == FALSE) {
                fprintf(stderr,
                        "load_mn: Error while interpreting file '%s'!\n",
                        config_file);
                fclose(file);
                return FALSE;
        }
        fclose(file);

        if (cfg->home_net_addr_plen > -1) {
                /* determine home net's subnet-direct broadcast address */
                __u32 ones = 0;
                for (i = cfg->home_net_addr_plen; i < 32; i++) {
                        ones |= 1 << (31 - i);
                }
                cfg->home_net_subnet_bc.s_addr = cfg->home_net_addr.s_addr |
                        htonl(ones);
        }

        if (cfg->ha_ip_addr.s_addr == 0)
                cfg->use_hadisc = TRUE;

        cfg->ha_ip_addr_orig.s_addr = cfg->ha_ip_addr.s_addr;
        cfg->mn_home_ip_addr_orig.s_addr = cfg->mn_home_ip_addr.s_addr;

        return check_config_data(cfg);
}

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