/* * $Header: /home/gene/library/website/docsrc/cgx/RCS/ekko.c,v 395.1 2008/04/20 17:25:46 gene Exp $ * * Copyright (c) 2004 Gene Michael Stover. All rights reserved. */ #include #include #include extern char **environ; extern int getpid (); static void S_Init () { srand (time (NULL) + getpid ()); } static void S_Send (char c) { switch (c) { case '"': printf ("""); break; case '&': printf ("&"); break; case '<': printf ("<"); break; case '>': printf (">"); break; default: printf ("%c", c); } } static void S_SendStr (char str[]) { char *i; for (i = str; *i != '\0'; ++i) { S_Send (*i); } } int main (argc, argv) int argc; char *argv[]; { int rc = 0, c, j; char **i; S_Init (); printf ("Content-Type: text/html"); for (j = 0; j < 5; ++j) { printf ("\r\nSet-Cookie: ekko%d=%d; path=/", j, rand ()); } printf ("\r\n"); printf ("\r\n\n\n"); printf ("\n

Environment

"); printf ("\n

"); for (i = environ; *i != NULL && **i != '\0'; ++i) { S_SendStr (*i); printf ("
\n"); } printf ("\n

"); printf ("\n

From stdin

"); printf ("\n

Here is what your browser sent:

"); printf ("\n
\n");
  while ((c = getchar ()) != -1) {
    S_Send (c);
  }
  printf ("\n
"); printf ("\n

again

"); printf ("\n

End.

\n\n\n"); return rc == 0 ? EXIT_SUCCESS : EXIT_FAILURE; } /* --- end of file --- */