TUCoPS :: Phreaking Boxes - Red

TUCoPS :: Phreaking Boxes - Red :: cdc-0379.htm
RedBox.C Source code for a tiny Linux redbox
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 ...presents...                    redbox.c
                                                        by Javaman

           __//////\   -cDc- CULT OF THE DEAD COW -cDc-   /\\\\\\__
 Est. 1984   \\\\\\/ cDc paramedia : text #379-07/24/2001 \//////   Est. 1984

    __    _   _    __     _   _    __       _   _      __    _   _      __
   |__heal_the_sick__raise_the_dead__cleanse_the_lepers__cast_out_demons__|

/* redbox.c */
/* Written by Javaman */

#include    /* Yes, this code compiles.                       */
#include     /* gcc -o redbox redbox.c -lm                     */
#include        /* Don't forget to link in the math library.      */
#include       /* This code requires linux and sound support     */
#include  
#include  
#include  
#include 
#include  $#define QUANTIZE 16
#define CHANNELS 1

int main(void) 
{
     int n; /* Were things really better back in the day?  I seem to       */
     unsigned long int i; /* not be able to let go of the past, tend       */
     int sound_fd, status; /* to revel on previous experiences, just       */
     unsigned long int bufsize, arg; /* because it is ... comfortable.     */
     unsigned short int *buf; /* ... as pathetic as a middle-aged          */
     unsigned int samplerate = 32000; /* corporate drone watching tapes    */
     unsigned long int samples = samplerate * .330; /* of his old football */        
     sound_fd = open("/dev/dsp", O_RDWR); /* games from back in the day,   */
     if (sound_fd < 0) { /* when "your mother and I were dating."  But the */
          perror("/dev/dsp"); exit(1); /* warm fuzzy of nostalgia,         */
     } /* knowing that yes, you accomplished something, makes the world    */
     bufsize = samples * sizeof(unsigned short int); /* feel a bit easier  */
     buf = (unsigned short int *) malloc(bufsize); /* to deal with, and    */
     arg = QUANTIZE; /* eventual death acceptable, almost as though we     */
     status = ioctl(sound_fd, SOUND_PCM_WRITE_BITS, &arg); /* have made    */
     if (status == -1) { /* indelible marks upon the history of            */
          perror("SOUND_PCM_WRITE_BITS ioctl failed"); /* whatever.        */
          exit(1); /* But a sigh usually caps off the standard cock-       */
     } /* stroking session of the BBS-dayz bullshit, when we had           */
     if (arg != QUANTIZE) { /* only 32 baud modems.  Maybe it's that       */
          perror("unable to set quantize rate"); /* I need to know         */
          exit(1); /* how little I knew, how young I was, to re-           */
     } /* assure myself of the growth that I have (?) experienced,         */
     arg = samplerate; /* magic marker lines with my handle and the date,  */
     status = ioctl(sound_fd, SOUND_PCM_WRITE_RATE, &arg); /* maybe        */
     if (status == -1) { /* a dial-in or two on some sort of collective    */
          perror("SOUND_PCM_WRITE_RATE ioctl failed"); /* parental         */
          exit(1); /* doorjam belonging to history herself.  It could be   */
     } /* a quest for immortality, for power -- all expressions of sexual  */
     arg = CHANNELS; /* drives -- or maybe a hug for my inner child.       */
     status = ioctl(sound_fd, SOUND_PCM_WRITE_CHANNELS, &arg); /* But I    */
     if (status == -1) { /* am not by any means someone who has any clue   */
          perror("SOUND_PCM_WRITE_CHANNELS ioctl failed"); /* about        */
          exit(1); /* anything, other than distilled problems which        */
     } /* can be expressed in purely logical situations, which is          */
     printf("Bufsize: %i\n", bufsize); /* almost a moot point when dealing */
     for (i = 0; i < samples; i++) { /* with complex systems such          */
          buf[i] = 0; /* as human interaction.  Feeling... like a jazz     */
     } /* note on life, thoughts from the crowds, interacting, loving?     */
     for (n = 0; n < 5; n++) { /* each one special in its own way.         */
          for (i = (n * .066 * samplerate); i < (samplerate * /* It has    */
               (.033 + .066*n)); i++) { /* been said that empathy is what  */
               buf[i] = (unsigned short int) /* sets us apart from the     */
               ((cos(2*M_PI*1700*i/samplerate) + /* animals, but does      */
               cos(2*M_PI*2200*i/samplerate)) * 10000); /* anyone give a   */
          } /* rat's ass about other people when their own lives are at a  */
     } /* crossroads?  Nihilism. The opposite of hippiedom?  The cyclical  */
     printf("Generating tones...\n"); /* nature of the thread, which       */
     status = write(sound_fd, buf, bufsize); /* should just be trashed,    */
     if (status != bufsize) { /* but that is okay.  Vibes can be recorded, */
          perror("wrote wrong number of bytes"); /* saved, reflected       */
     } /* upon, cherished possibly, forgotten probably.                    */
     status = ioctl(sound_fd, SOUND_PCM_SYNC, 0); /* but it can be hoped   */
     if (status == -1) { /* that someone, years from now, reads this,      */
          perror("SOUND_PCM_SYNC ioctl failed"); /* and imagines the       */
     } /* the writer, back in the day, reminiscing on when the sounds      */
     return 0; /* and the medium actually meant freedom of thought, and,   */
     } /* possibly, a shot at eternal life.                                */

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