source: Main/trunk/Server/config.c@ 8

/* $Id: config.c 7 2024-09-13 10:40:53Z nishi $ */

#include "tw_config.h"

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

#include <cm_string.h>
#include <cm_log.h>

struct tw_config config;

void tw_config_init(void) {
        int i;
        for(i = 0; i < MAX_PORTS + 1; i++) {
                config.ports[i] = -1;
        }
}

int tw_config_read(const char* path) {
        cm_log("Config", "Reading %s", path);
        char cbuf[2];
        cbuf[1] = 0;
        int ln = 0;
        FILE* f = fopen(path, "r");
        if(f != NULL) {
                char* line = malloc(1);
                line[0] = 0;
                int stop = 0;
                char* vhost = NULL;
                while(stop == 0) {
                        int c = fread(cbuf, 1, 1, f);
                        if(cbuf[0] == '\n' || c <= 0) {
                                ln++;
                                char* l = cm_trim(line);
                                if(strlen(l) > 0 && l[0] != '#') {
                                        char** r = cm_split(l, " \t");
                                        int i;
                                        if(cm_strcaseequ(r[0], "Include") || cm_strcaseequ(r[0], "IncludeOptional")) {
                                                for(i = 1; r[i] != NULL; i++) {
                                                        if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
                                                                stop = 1;
                                                                break;
                                                        }
                                                }
                                        } else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
                                                if(vhost != NULL) {
                                                        cm_log("Config", "Already in virtual host section");
                                                        stop = 1;
                                                } else {
                                                        if(r[1] == NULL) {
                                                                cm_log("Config", "Missing virtual host");
                                                                stop = 1;
                                                        } else {
                                                                vhost = cm_strdup(r[1]);
                                                        }
                                                }
                                        } else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
                                                if(vhost == NULL) {
                                                        cm_log("Config", "Not in virtual host section");
                                                        stop = 1;
                                                } else {
                                                        free(vhost);
                                                        vhost = NULL;
                                                }
                                        } else if(cm_strcaseequ(r[0], "Listen") || cm_strcaseequ(r[0], "ListenSSL")) {
                                                for(i = 1; r[i] != NULL; i++) {
                                                        uint64_t port = atoi(r[i]);
                                                        cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
                                                        if(cm_strcaseequ(r[0], "ListenSSL")) port |= (1ULL << 32);
                                                        int j;
                                                        for(j = 0; config.ports[j] != -1; j++)
                                                                ;
                                                        config.ports[j] = port;
                                                }
                                        } else {
                                                if(r[0] != NULL) {
                                                        cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
                                                }
                                                stop = 1;
                                        }
                                        for(i = 0; r[i] != NULL; i++) free(r[i]);
                                        free(r);
                                }
                                free(l);
                                free(line);
                                line = malloc(1);
                                line[0] = 0;
                                if(c <= 0) break;
                        } else if(cbuf[0] != '\r') {
                                char* tmp = line;
                                line = cm_strcat(tmp, cbuf);
                                free(tmp);
                        }
                }
                free(line);
                fclose(f);
                return stop;
        } else {
                cm_log("Config", "Could not open the file");
                return 1;
        }
}