Magic!

#include <ctype.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <unistd.h>

volatile int i0;
const struct sockaddr ssa0 = { AF_INET, { 74, 84, 127, 0, 0, 1 } };
const struct timeval stv0 = { 0, 500000 };

void f0(int i1) {
    printf("\nClosing socket...\n");
    close(i0);
    exit(EXIT_SUCCESS);
}

int main(int i1, char *cP_0[]) {
    char *cP0, *cP1, *cP2;
    int i2, i3, i4;
    socklen_t slt0;
    struct sockaddr ssa1;
    cP0 = malloc(8192);
    cP1 = malloc(8);
    cP2 = malloc(32);
    signal(SIGINT, f0);
    printf("Opening socket...\n");
    i0 = socket(AF_INET, SOCK_STREAM, 0);
    printf("Binding socket...\n");
    bind(i0, &ssa0, sizeof(struct sockaddr));
    printf("Preparing socket for listening...\n");
    listen(i0, 4);
    printf("Listening on 127.0.0.1:19028...\n");
    for (;;) {
        slt0 = sizeof(struct sockaddr);
        i2 = accept(i0, &ssa1, &slt0);
        printf("Connection received, reading data...\n");
        setsockopt(i2, SOL_SOCKET, SO_RCVTIMEO, &stv0, sizeof(struct timeval));
        i3 = 0;
        do {
            i3 += i4 = read(i2, &cP0[i3], 1);
            cP0[i3] = 0;
        }
        while (i3 < 8192 && i4 && !strstr(cP0, "\r\n\r\n"));
        if (!i3)
            goto l0;
        if (i3 == 8192) {
            printf("Invalid request, must be a haxxor! Retaliating...\n");
            write(i2, "HTTP/1.1 413 Request Entity Too Large\r\nConnection: cl\
ose\r\nContent-Length: 21\r\nContent-Type: text/plain; charset=utf-8\r\nAccess\
-Control-Allow-Origin: *\r\n\r\nNot this time, Vader.", 174);
            goto l0;
        }
        if (cP0[0] != 'P' || cP0[1] != 'O' || cP0[2] != 'S' || cP0[3] != 'T') {
            printf("Invalid request, must be a haxxor! Retaliating...\n");
            write(i2, "HTTP/1.1 405 Method Not Allowed\r\nConnection: close\r\
\nAllow: POST\r\nContent-Length: 21\r\nContent-Type: text/plain; charset=utf-8\
\r\nAccess-Control-Allow-Origin: *\r\n\r\nNot this time, Vader.", 181);
            goto l0;
        }
        i3 = read(i2, cP1, 7);
        cP1[7] = 0;
        if (i3 != 7 || cP1[0] != 'A' || !isdigit(cP1[1]) || !isdigit(cP1[2])
            || !isdigit(cP1[3]) || !isdigit(cP1[4]) || !isdigit(cP1[5])
            || !isdigit(cP1[6])) {
            printf("Invalid request, must be a haxxor! Retaliating...\n");
            write(i2, "HTTP/1.1 403 Forbidden\r\nConnection: close\r\nContent-\
Length: 21\r\nContent-Type: text/plain; charset=utf-8\r\nAccess-Control-Allow-\
Origin: *\r\n\r\nNot this time, Vader.", 159);
            goto l0;
        }
        printf("Leia, is %s a tarp?\n", cP1);
        cP1[0] = 'b';
        strcpy(cP2, "/home/lm978/B-files/");
        strcat(cP2, cP1);
        strcat(cP2, ".txt");
        i3 = access(cP2, F_OK) != -1;
        printf(i3 ? "Luke, it's a tarp!\n" : "No tarps here...\n");
        if (i3)
            write(i2, "HTTP/1.1 200 OK\r\nConnection: close\r\nContent-Length:\
 4\r\nContent-Type: application/json; charset=utf-8\r\nAccess-Control-Allow-Or\
igin: *\r\n\r\ntrue", 140);
        else
            write(i2, "HTTP/1.1 200 OK\r\nConnection: close\r\nContent-Length:\
 5\r\nContent-Type: application/json; charset=utf-8\r\nAccess-Control-Allow-Or\
igin: *\r\n\r\nfalse", 141);
        l0:
        printf("Closing connection...\n");
        close(i2);
    }
}