timebomb.C

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#include "timebomb.h"
#include <stdio.h>
#include <sys/stat.h>
#include <stdlib.h>

#define LASTYEAR 2001
#define LASTDAY 1
#define LASTMONTH 10
#define EXCUSE \
"To reduce support liability this release had an expiration date.\n" \
"The expiration date of this release has expired.\n"

static char *files[] = 
{
        "/usr/lib/libcinelerra.so",
        "/usr/bin/cinelerra"
};

TimeBomb::TimeBomb()
{
        struct stat fileinfo;
        time_t system_time;
        int result;

        result = stat("/etc", &fileinfo);
        system_time = time(0);

printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);
printf("This release expires %d/%d/%d\n", LASTMONTH, LASTDAY, LASTYEAR);

        if(test_time(fileinfo.st_mtime) ||
                test_time(system_time))
        {
                printf(EXCUSE);
                disable_system();
                exit(1);
        }
}


int TimeBomb::test_time(time_t testtime)
{
        struct tm *currenttime;
        currenttime = localtime(&testtime);

        if(currenttime->tm_year >= LASTYEAR - 1900 &&
                currenttime->tm_mday >= LASTDAY &&
                currenttime->tm_mon >= LASTMONTH - 1) return 1;
        else return 0;
}

void TimeBomb::disable_system()
{
//printf("TimeBomb::disable_system %d\n", sizeof(files));
        for(int i = 0; i < sizeof(files) / sizeof(char*); i++)
        {
                remove((const char*)files[i]);
        }
}

TimeBomb::~TimeBomb()
{
}

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