#include "slavefuncs.h"

#include "blendjob.h"

#include "execio.h"

#include <stdio.h>

#include <string.h>

#include <unistd.h>

#include <stdlib.h>

#include <sys/stat.h>

#include <fcntl.h>

/** Converts an integer to a string, in ANSI C, thanks to Dom_ (http://www.signalsondisplay.com/) */

char *int_to_str(int nbr)

{

  int   div;

  int   len;

  int   i;

  char  *res;

  res = malloc(4 * sizeof(*res)); // Was xmalloc, hopefully it still works :D

  i = 0;

  while (i < 3)

    res[i++] = '\0';

  res[3] = '\0';

  i = 0;

  div = 1;

  len = 1;

  while (nbr / div >= 10)

    {

      div *= 10;

      len++;

    }

  while (len)

    {

      res[i++] = '0' + (nbr / div);

      len--;

      nbr %= div;

      div /= 10;

    }

  return (res);

}

/** Generates a SSH key with ssh-keygen */

int ssh_keygen(){

	/* Checks to see if the keys are already present. */

	int status;

	struct stat buffer;

	status = stat(SYSCONFDIR "/distren.id_rsa", &buffer);

	if(status != -1){

		return 0;

	}

	/* start execio code */

	char *command = "ssh-keygen"; // @TODO: append .exe if win32?

	int ret;

	char *cmd[] = { command, "-q", "-f", SYSCONFDIR "/distren.id_rsa", "-N", "", (char *)NULL }; // TODO: Give me the correct args!

	char buf[10];

	struct execio *testrem;

	size_t readlen;

	ret = execio_open(&testrem, command, cmd); // This path will be absolute for testing, should be relative to install on production

	buf[9] = '\0'; // null-terminating the array...

	while(!execio_read(testrem, buf, 9, &readlen))

	    {

	      if(readlen > 9) {

		fprintf(stderr, "Something is terribly wrong!\n");

	      }

	      buf[readlen] = '\0';

	      fprintf(stderr, "read \"%s\"\n", buf);

	    }

	execio_close(testrem);

	/* end execio code */

	// Supposedly execio returns 1 if it has bad args.

	if(ret == 1){

		fprintf(stderr, "Generating your key failed. Ensure that ssh-keygen is present!\n"); // Use different executor that searches the path? there is one...

		return 0;

	}

	else{

		fprintf(stderr,"We successfully generated your key! Yay!\n");

		return 1;

	}

return 0;

}

/** Registers the user on the DistRen server */

int register_user(char *username, char *email)

{

/* Note: this code moved here from after the useradd code, so useradd doesn't happen if there is an existing key, etc */

  /* puts the person's username in the conf */

  if(conf_replace(username) == 0){

	fprintf(stderr, "Failed!\n");

	return 0;

	}

  /* generates keys for login, @TODO: pub key must somehow be sent to the server. */

  if(ssh_keygen() == 0){