main.c

#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <dirent.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>

#include "main.h"
#include "parser.h"

void* service_thread(void *arg) {
    service_t *svc = (service_t*)arg;
    int status;

    printf("Starting service: %s\n", svc->name);

    pid_t pid = fork();

    if (pid == 0) {
        execl("/bin/sh", "sh", "-c", svc->exec, NULL);
        perror("exec");
        exit(1);
    }

    wait(&status);

    printf("Service exited: %s with status: %d\n", svc->name, status);

    free(svc);
    return NULL;
}

int start_service(char *service) {
    char path[512];
    snprintf(path, sizeof(path), "%s/%s", SERVICE_DIR, service);

    printf("SERVICE: %s\n", service);

    service_t *svc = malloc(sizeof(service_t));
    memset(svc, 0, sizeof(service_t));

    strcpy(svc->name, service);

    parse_service(path, svc);

    if (strlen(svc->exec) == 0) {
        free(svc);
        return -1;
    }

    pthread_t thread;
    pthread_create(&thread, NULL, service_thread, svc);
    pthread_detach(thread);
}

int main() {

    printf("LSID init starting...\n");

    DIR *dir = opendir(SERVICE_DIR);
    if (!dir) {
        perror("opendir");
        return 1;
    }

    struct dirent *entry;

    while ((entry = readdir(dir))) {

        if (!strstr(entry->d_name, ".service"))
            continue;

        start_service(entry->d_name);

    }

    closedir(dir);

    while (1)
        sleep(60);

    return 0;
}