config.c

#include <stdlib.h>
#include <string.h>

#include "config.h"
#include "y.tab.h"

extern struct config_interfaces *cur_if;
extern struct config_ssid *cur_ssid;
FILE           *yyin;
int 		    yyparse();

const char 	config_file[] = "/etc/wlan-daemon.conf";

void 
clear_ssid(struct config_ssid * ssid) {
        if (!ssid)
            return;
        clear_ssid(ssid->next);
        free(ssid);
}

void 
clear_config(struct config_interfaces * conf) {
        if (!conf)
            return;
        clear_ssid(conf->ssids);
        clear_config(conf->next);
        free(conf);
}

int 
parse_config() {
        FILE           *fp = fopen(config_file, "r");

        if (!fp)
            return 1;
        config = 0;
        cur_if = 0;
        cur_ssid = 0;
        yyin = fp;
        yyparse();
        fclose(fp);
        struct config_interfaces *cur = config;
        while (cur) {
            printf("config: %s (", cur->if_name);
            struct config_ssid *c2 = cur->ssids;
            while (c2) {
                printf(" %s", c2->ssid_name);
                c2 = c2->next;
            }
            printf(" )\n");
            cur = cur->next;
        }
        return 0;
}

struct config_interfaces *
find_config(char *interface) {
        struct config_interfaces *cur = config;

        while (cur) {
            if (strcmp(cur->if_name, interface) == 0)
                return cur;
            cur = cur->next;
        }
        return 0;
}