Changeset - 5b11cfeabe1c
[Not reviewed]
default
0 3 0
ethanzonca - 16 years ago 2009-07-28 00:59:56

Added returns, error messages.
3 files changed with 22 insertions and 9 deletions:
0 comments (0 inline, 0 general)
src/server/slave.c
Show inline comments
 
@@ -62,26 +62,31 @@ for(counter=0; counter<argc; counter++){
 
			fprintf(stderr, "I need more arguments!\n%d is not enough!\n Invoke 'distrenslave -c <username> <emailaddr> to register. \n Already registered? Edit your distrenslave.conf file!\n'", argc - 1);
 
			return 234;
 
		}
 

	
 
		username = argv[2];
 
		email = argv[3];
 

	
 
		if(!strchr(email, '@'))
 
		{
 
			fprintf(stderr, "I want to see an '@' in your email address!\n%s may be good enough for you, but I need more!\n", email);
 
			return 235;
 
		}
 
		register_user(username, email); // register_user returns a uniquely random url to a key */
 
		fprintf(stderr, "You registered, hopefully successfully. Invoke distrenslave with no args now.");
 
		if( register_user(username, email) == 1){
 
			// register_user generates a key, too */
 
			fprintf(stderr,"Registration successfull. You may now invoke distrenslave with no arguments.");
 
		}
 
		else{
 
			fprintf(stderr,"Registration failed. Sorry!");
 
		}
 
	}
 
/* End arg parser */
 

	
 

	
 

	
 
/* Option getter: Creates vars to grab stuff from conf, uses the options include to grab this data */
 
char *username;
 
char *key;
 
username = NULL;
 
key = NULL;
 
cfg_t * my_cfg;
 
cfg_opt_t myopts[] = {
 
@@ -91,25 +96,32 @@ cfg_opt_t myopts[] = {
 
		};
 
struct options_common *commonopts;
 
options_init(argc,argv,&my_cfg, myopts, "slave", &commonopts);
 
/* End option getter */
 

	
 

	
 
/* If there's no key or username in the conf, or if they're at the default (!key/!username) let the user know! */
 
	if(key == NULL || username == NULL || strcmp(key, "!key") == 0 || strcmp(username, "!username") == 0 ){
 
	  fprintf(stderr, "\nYou didn't register!\nPlease register or edit your config. (see -h)\nIf this error persists, check distrenslave.conf to ensure all items are filled.\n", argv[0]);
 
	}
 
	else if(key != NULL && username != NULL || key != "!key" && username != "username" ){
 
		fprintf(stderr, "Your username is %s, and your key is %s.\n",username, key);
 
		login_user(username); // Logs in user to the server
 
		// Logs ya in:
 
		if(login_user(username) == 1){
 
			fprintf(stderr,"You should now be logged into distren.\n");
 
		}
 
		else{
 
			fprintf(stderr,"Login failed. I have no clue why. Goodbye.\n");
 
			return 0;
 
		}
 
	}
 
	else{
 
	  fprintf(stderr,"Something is terribly wrong!!!");
 
	}
 

	
 

	
 

	
 
/* Somewhat pseudo Rendering code */
 
/*
 
	if('slave recieves "start frame#, job#"'){
 
		fprintf(stderr, "Got frame %d in job %d, preparing to render...",framenum,jobnum);
 
		get('http://distren.protofusion.org/srv/job%d.tgz', jobnum); // use curl
src/server/slavefuncs.c
Show inline comments
 
@@ -20,25 +20,25 @@
 
 /*
 
  * Registration on server. Needs attention. Prevent account spamming.
 
  * distrenslave -c username email@example.com
 
 */
 
#include <stdio.h>
 
#include <string.h>
 

	
 

	
 
void ssh_keygen(){
 
	// Give me some args!
 
}
 

	
 
void register_user(char *username, char *email)
 
int register_user(char *username, char *email)
 
{
 
  /*
 
   * Logs into sandboxed user on zserver2 and registers a user. Should eventually generate a key on the server and return it to the user.
 
   * All created user accounts should be sandboxed accordingly, requiring a different skel, and the default shell to be rbash. Also,
 
   * a custom path defined in the .bash_profile of the skel is needed.
 
   */
 
  char *keyname; // Url to the key
 
  char buf[10];
 
  struct execio *testrem;
 
  char *execargv[] =
 
    {
 
      "ssh",
 
@@ -65,39 +65,39 @@ void register_user(char *username, char 
 
    {
 
      if(readlen > 9) {
 
	fprintf(stderr, "!!!! Something is terribly wrong!\n");
 
      }
 
      buf[readlen] = '\0'; // Null-terminating the end of it again based on how large the data is?
 
      fprintf(stderr, "read \"%s\"\n", buf);
 
    }
 
  execio_close(testrem);
 

	
 
  ssh_keygen(); // Should return relative path to keyfile, or jus the keyname
 

	
 
  /* TODO: Scan distrenslave.conf for !username and !key and replace them with "keyname" and the "username" */
 

	
 
  return 1;
 
}
 

	
 

	
 
void login_user(char *username){
 
int login_user(char *username){
 
	// TODO: Why does this segfault???
 
  fprintf(stderr, "Logging you in...");
 
  char *userhost = strcpy(userhost, username);
 
  char *userkey = strcpy(userkey, username);
 
  strcat(userhost, "@protofusion.org"); // Throws @protofusion.org after the username
 
  strcat(userkey,".rsa");
 
  fprintf(stderr, "i'm here");
 
  if(fopen(userkey, "r") == NULL){
 
	  fprintf(stderr,"Your key, %s, has not been found! Re-register or somehow regenerate your key! We need a way to regenerate keys coded in, but we don't have the facilities yet!",userkey);
 
	  return; // Maybe return something?
 
	  return 0;
 
  }
 
  char buf[10];
 
  struct execio *testrem;
 
  char *execargv[] =
 
    {
 
  "ssh",
 
  userhost, // username and hostname
 
  "-i",
 
  userkey, // Key created from registeruser()
 
  "-p",
 
  "23",
 
  "echo",
 
@@ -107,24 +107,25 @@ void login_user(char *username){
 
  size_t readlen;
 
  fprintf(stderr, "Opening stream:\n", execio_open(&testrem, "ssh", execargv));
 
  buf[9] = '\0'; // null-terminating the array...
 
  while(!execio_read(testrem, buf, 9, &readlen)) // What's with the readlen stuff?
 
    {
 
      if(readlen > 9) {
 
	fprintf(stderr, "!!!! Something is terribly wrong!\n");
 
      }
 
    buf[readlen] = '\0'; // Null-terminating the end of it again based on how large the data is?
 
    fprintf(stderr, "read \"%s\"\n", buf);
 
    }
 
  execio_close(testrem);
 
  return 1; // 1 can be like... error-free login...
 
}
 

	
 
/* Replaces username and key in the slave's conf file, currently pseudo */
 

	
 
void conf_replace(char *username, char *key){
 
	// Doesn't delete anything! :D
 
/*
 
	mktemp(); // Gets a new file to put data into
 
	fopen('w'); // Open the file we created in write mode
 
	fopen('r'); // Open the conf file in read-only mode
 
	read(); // Read the created file, scanning for and replacing strings, whie
 
	writ(); // writing out to the newly created file
src/server/slavefuncs.h
Show inline comments
 
@@ -13,19 +13,19 @@
 
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
  GNU Affero General Public License for more details.
 

	
 
  You should have received a copy of the GNU Affero General Public License
 
  along with DistRen.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#ifndef _DISTREN_SLAVEFUNCS_H
 
#define _DISTREN_SLAVEFUNCS_H
 
#include "blendjob.h"
 

	
 
void ssh_keygen();
 
void register_user(char *username, char *email);
 
void login_user(char *username);
 
int register_user(char *username, char *email);
 
int login_user(char *username);
 
void conf_replace(char *username, char *key);
 
void exec_blender(struct blendjob* blendjob, char *input, char *output, int frame);
 

	
 

	
 
#endif
0 comments (0 inline, 0 general)