Beispiel #1
0
int sys_clone(struct tcb *parent,
	      void *child_stack,
	      unsigned int clone_flags)
{
	unsigned int flags = 0;
	unsigned int sysflags = 0;

	if (!child_stack)
		return -EINVAL;
	BUG_ON((unsigned long)child_stack < 0x10000);

	if (clone_flags & CLONE_VM) {
		flags |= TCB_SHARED_VM;
		sysflags |= TC_SHARE_SPACE;
	}
	if (clone_flags & CLONE_FS)
		flags |= TCB_SHARED_FS;
	if (clone_flags & CLONE_FILES)
		flags |= TCB_SHARED_FILES;
	if (clone_flags & CLONE_THREAD) {
		flags |= TCB_SHARED_TGROUP;
		sysflags |= TC_SHARE_GROUP;
	}
	if (clone_flags & CLONE_PARENT)
		flags |= TCB_SHARED_PARENT;

	return do_clone(parent,
			(unsigned long)child_stack,
			flags, sysflags);
}
Beispiel #2
0
istream* InfonManager::cachedStream(string srcRoot, string srcSpec, bool &doCache){
	doCache=false;
	InfonSourcePtr infSrc(new InfonSource(srcRoot, srcSpec));
	if(infSrc->errorState) {cout<<"\n"<<infSrc->errorDesc<<"\n"; return 0;}
	string repoDir=dataFolder+'/'+infSrc->URI_path;
	sources[infSrc->sourceSpec] = infSrc;	
	if(infSrc->srcType=="git"){
		struct stat buffer; int rc;
		if(stat(repoDir.c_str(), &buffer)==-1){
			cout<<"Cloning "<<infSrc->URI<<" into "<<repoDir<<"\n";
			rc=do_clone(infSrc->URI.c_str(), repoDir.c_str());
			if(rc!=0){return 0;}
		} else { // TODO: update the repository here.
	//			if(it's time to update this repo)
		}
		// if (cache for this stream exists) {
			// Get hash codes of git version and cached version.
			// if(crnt Git hash == cashed hash){
				// append fileSpec to activate cached version
				// fetch code.pr from db
				// return new istrstream(code_pr.c_str());
			// } else {doCache=true; delete items from cache} // later just modify the changed items.
		// } else doCache=true;
		return new fstream(string(repoDir+'/'+infSrc->filePath).c_str());
	} else if(infSrc->srcType=="string"){ return new istringstream(infSrc->filePath.c_str());
	} else if(infSrc->srcType=="file")  { return new fstream(string(repoDir+'/'+infSrc->filePath).c_str());
	} else if(infSrc->srcType=="stdin"){ cout<<"stdin unsupported\n"; return 0;
	} else if(infSrc->srcType=="https"){ cout<<"https unsupported\n"; return 0;
	}
	return 0;
}
Beispiel #3
0
static int do_clone_cb(struct task *newtask, void *data)
{
	int ret;
	struct task *task = data;

	debug(DEBUG_EVENT, "+++ process do clone cb pid=%d, newpid=%d", task->pid, newtask->pid);

	ret = do_clone(task, newtask);
	continue_task(task, 0);
	return ret;
}
Beispiel #4
0
void DialogClone::todo(){
	if (rdbt_clone->isChecked())
	   do_clone();
	if (rdbt_image_save->isChecked()) 
            do_image();
 	if (rdbt_image_restore->isChecked())
           restore_image();
        if (rdbt_partition_save->isChecked()) 
            do_image_partition();
        if (rdbt_partition_restore->isChecked()) 
            restore_image_partition();
 }
Beispiel #5
0
static int handle_child(struct task *task)
{
	struct task *newtask;
	int newpid = task->event.e_un.newpid;

	debug(DEBUG_EVENT, "+++ process child pid=%d, newpid=%d", task->pid, newpid);

	newtask = pid2task(newpid);

	assert(newtask != NULL);

	if (!newtask->stopped) {
		debug(DEBUG_EVENT, "+++ process defer child pid=%d, newpid=%d", task->pid, newpid);
		newtask->defer_func = do_clone_cb;
		newtask->defer_data = task;
		return RET_DEFERED;
	}

	do_clone(task, newtask);
	return continue_task(task, 0);
}
Beispiel #6
0
/*===========================================================================*
 *				main                                         *
 *===========================================================================*/
PUBLIC int main(void)
{
/* This is the main routine of this service. The main loop consists of 
 * three major activities: getting new work, processing the work, and
 * sending the reply. The loop never terminates, unless a panic occurs.
 */
  message m;					/* request message */
  int ipc_status;				/* status code */
  int call_nr, who_e,who_p;			/* call number and caller */
  int result;                 			/* result to return */
  int s;

  /* SEF local startup. */
  sef_local_startup();
  
  if (OK != (s=sys_getmachine(&machine)))
	  panic("couldn't get machine info: %d", s);

  /* Main loop - get work and do it, forever. */         
  while (TRUE) {              

      /* Wait for request message. */
      get_work(&m, &ipc_status);
      who_e = m.m_source;
      if(rs_isokendpt(who_e, &who_p) != OK) {
          panic("message from bogus source: %d", who_e);
      }

      call_nr = m.m_type;

      /* Now determine what to do.  Four types of requests are expected:
       * - Heartbeat messages (notifications from registered system services)
       * - System notifications (synchronous alarm)
       * - User requests (control messages to manage system services)
       * - Ready messages (reply messages from registered services)
       */

      /* Notification messages are control messages and do not need a reply.
       * These include heartbeat messages and system notifications.
       */
      if (is_ipc_notify(ipc_status)) {
          switch (who_p) {
          case CLOCK:
	      do_period(&m);			/* check services status */
	      continue;
	  default:				/* heartbeat notification */
	      if (rproc_ptr[who_p] != NULL) {	/* mark heartbeat time */ 
		  rproc_ptr[who_p]->r_alive_tm = m.NOTIFY_TIMESTAMP;
	      } else {
		  printf("RS: warning: got unexpected notify message from %d\n",
		      m.m_source);
	      }
	  }
      }

      /* If we get this far, this is a normal request.
       * Handle the request and send a reply to the caller. 
       */
      else {
	  if (call_nr != COMMON_GETSYSINFO && 
	  	(call_nr < RS_RQ_BASE || call_nr >= RS_RQ_BASE+0x100))
	  {
		/* Ignore invalid requests. Do not try to reply. */
		printf("RS: warning: got invalid request %d from endpoint %d\n",
			call_nr, m.m_source);
		continue;
	  }

          /* Handler functions are responsible for permission checking. */
          switch(call_nr) {
          /* User requests. */
	  case RS_UP:		result = do_up(&m);		break;
          case RS_DOWN: 	result = do_down(&m); 		break;
          case RS_REFRESH: 	result = do_refresh(&m); 	break;
          case RS_RESTART: 	result = do_restart(&m); 	break;
          case RS_SHUTDOWN: 	result = do_shutdown(&m); 	break;
          case RS_UPDATE: 	result = do_update(&m); 	break;
          case RS_CLONE: 	result = do_clone(&m); 		break;
          case RS_EDIT: 	result = do_edit(&m); 		break;
          case COMMON_GETSYSINFO: 
         			result = do_getsysinfo(&m); 	break;
	  case RS_LOOKUP:	result = do_lookup(&m);		break;
	  /* Ready messages. */
	  case RS_INIT: 	result = do_init_ready(&m); 	break;
	  case RS_LU_PREPARE: 	result = do_upd_ready(&m); 	break;
          default: 
              printf("RS: warning: got unexpected request %d from %d\n",
                  m.m_type, m.m_source);
              result = EINVAL;
          }

          /* Finally send reply message, unless disabled. */
          if (result != EDONTREPLY) {
	      m.m_type = result;
              reply(who_e, NULL, &m);
          }
      }
  }
}
Beispiel #7
0
void
process_command(int descr, dbref player, char *command)
{
	char *arg1;
	char *arg2;
	char *full_command;
	char *p;					/* utility */
	char pbuf[BUFFER_LEN];
	char xbuf[BUFFER_LEN];
	char ybuf[BUFFER_LEN];
	struct timeval starttime;
	struct timeval endtime;
	double totaltime;

	if (command == 0)
		abort();

	/* robustify player */
	if (player < 0 || player >= db_top ||
		(Typeof(player) != TYPE_PLAYER && Typeof(player) != TYPE_THING)) {
		log_status("process_command: bad player %d", player);
		return;
	}

	if ((tp_log_commands || Wizard(OWNER(player)))) {
		if (!(FLAGS(player) & (INTERACTIVE | READMODE))) {
			if (!*command) {
				return; 
			}
			log_command("%s: %s", whowhere(player), command);
		} else {
			if (tp_log_interactive) {
				log_command("%s: %s%s", whowhere(player),
						(FLAGS(player) & (READMODE)) ? "[READ] " : "[INTERP] ", command);
			}
		}
	}

	if (FLAGS(player) & INTERACTIVE) {
		interactive(descr, player, command);
		return;
	}
	/* eat leading whitespace */
	while (*command && isspace(*command))
		command++;

	/* Disable null command once past READ line */
	if (!*command)
		return;

	/* check for single-character commands */
	if (!tp_enable_prefix) {
		if (*command == SAY_TOKEN) {
			snprintf(pbuf, sizeof(pbuf), "say %s", command + 1);
			command = &pbuf[0];
		} else if (*command == POSE_TOKEN) {
			snprintf(pbuf, sizeof(pbuf), "pose %s", command + 1);
			command = &pbuf[0];
		} else if (*command == EXIT_DELIMITER) {
			snprintf(pbuf, sizeof(pbuf), "delimiter %s", command + 1);
			command = &pbuf[0];
		}
	}

	/* profile how long command takes. */
	gettimeofday(&starttime, NULL);

	/* if player is a wizard, and uses overide token to start line... */
	/* ... then do NOT run actions, but run the command they specify. */
	if (!(TrueWizard(OWNER(player)) && (*command == OVERIDE_TOKEN))) {
		if (can_move(descr, player, command, 0)) {
			do_move(descr, player, command, 0);	/* command is exact match for exit */
			*match_args = 0;
			*match_cmdname = 0;
		} else {
			if (tp_enable_prefix) {
				if (*command == SAY_TOKEN) {
					snprintf(pbuf, sizeof(pbuf), "say %s", command + 1);
					command = &pbuf[0];
				} else if (*command == POSE_TOKEN) {
					snprintf(pbuf, sizeof(pbuf), "pose %s", command + 1);
					command = &pbuf[0];
				} else if (*command == EXIT_DELIMITER) {
					snprintf(pbuf, sizeof(pbuf), "delimiter %s", command + 1);
					command = &pbuf[0];
				} else {
					goto bad_pre_command;
				}
				if (can_move(descr, player, command, 0)) {
					do_move(descr, player, command, 0);	/* command is exact match for exit */
					*match_args = 0;
					*match_cmdname = 0;
				} else {
					goto bad_pre_command;
				}
			} else {
				goto bad_pre_command;
			}
		}
	} else {
	  bad_pre_command:
		if (TrueWizard(OWNER(player)) && (*command == OVERIDE_TOKEN))
			command++;
		full_command = strcpyn(xbuf, sizeof(xbuf), command);
		for (; *full_command && !isspace(*full_command); full_command++) ;
		if (*full_command)
			full_command++;

		/* find arg1 -- move over command word */
		command = strcpyn(ybuf, sizeof(ybuf), command);
		for (arg1 = command; *arg1 && !isspace(*arg1); arg1++) ;
		/* truncate command */
		if (*arg1)
			*arg1++ = '\0';

		/* remember command for programs */
		strcpyn(match_args, sizeof(match_args), full_command);
		strcpyn(match_cmdname, sizeof(match_cmdname), command);

		/* move over spaces */
		while (*arg1 && isspace(*arg1))
			arg1++;

		/* find end of arg1, start of arg2 */
		for (arg2 = arg1; *arg2 && *arg2 != ARG_DELIMITER; arg2++) ;

		/* truncate arg1 */
		for (p = arg2 - 1; p >= arg1 && isspace(*p); p--)
			*p = '\0';

		/* go past delimiter if present */
		if (*arg2)
			*arg2++ = '\0';
		while (*arg2 && isspace(*arg2))
			arg2++;

		switch (command[0]) {
		case '@':
			switch (command[1]) {
			case 'a':
			case 'A':
				/* @action, @armageddon, @attach */
				switch (command[2]) {
				case 'c':
				case 'C':
					Matched("@action");
					NOGUEST("@action", player);
					BUILDERONLY("@action", player);
					do_action(descr, player, arg1, arg2);
					break;
				case 'r':
				case 'R':
					if (strcmp(command, "@armageddon"))
						goto bad;
/*
					WIZARDONLY("@armageddon", player);
					PLAYERONLY("@armageddon", player);
*/
					do_armageddon(player, full_command);
					break;
				case 't':
				case 'T':
					Matched("@attach");
					NOGUEST("@attach", player);
					BUILDERONLY("@attach", player);
					do_attach(descr, player, arg1, arg2);
					break;
				default:
					goto bad;
				}
				break;
			case 'b':
			case 'B':
				/* @bless, @boot */
				switch (command[2]) {
				case 'l':
				case 'L':
					Matched("@bless");
					WIZARDONLY("@bless", player);
					PLAYERONLY("@bless", player);
					NOFORCE("@bless", force_level, player);
					do_bless(descr, player, arg1, arg2);
					break;
				case 'o':
				case 'O':
					Matched("@boot");
					WIZARDONLY("@boot", player);
					PLAYERONLY("@boot", player);
					do_boot(player, arg1);
					break;
				default:
					goto bad;
				}
				break;
			case 'c':
			case 'C':
				/* @chlock, @chown, @chown_lock, @clone,
				   @conlock, @contents, @create, @credits */
				switch (command[2]) {
				case 'h':
				case 'H':
					switch (command[3]) {
					case 'l':
					case 'L':
						Matched("@chlock");
						NOGUEST("@chlock", player);
						set_standard_lock(descr, player, arg1, MESGPROP_CHLOCK, "Chown Lock", arg2);
						break;
					case 'o':
					case 'O':
						if(strlen(command) < 7) {
							Matched("@chown");
							do_chown(descr, player, arg1, arg2);
						} else {
							Matched("@chown_lock");
							NOGUEST("@chown_lock", player);
							set_standard_lock(descr, player, arg1, MESGPROP_CHLOCK, "Chown Lock", arg2);
						}
						break;
					default:
						goto bad;
					}
					break;
				case 'l':
				case 'L':
					Matched("@clone");
					NOGUEST("@clone", player);
					BUILDERONLY("@clone", player);
					do_clone(descr, player, arg1);
					break;
				case 'o':
				case 'O':
					switch (command[4]) {
					case 'l':
					case 'L':
						Matched("@conlock");
						NOGUEST("@conlock", player);
						set_standard_lock(descr, player, arg1, MESGPROP_CONLOCK, "Container Lock", arg2);
						break;
					case 't':
					case 'T':
						Matched("@contents");
						do_contents(descr, player, arg1, arg2);
						break;
					default:
						goto bad;
					}
					break;
				case 'r':
				case 'R':
					if (string_compare(command, "@credits")) {
						Matched("@create");
						NOGUEST("@create", player);
						BUILDERONLY("@create", player);
						do_create(player, arg1, arg2);
					} else {
						do_credits(player);
					}
					break;
				default:
					goto bad;
				}
				break;
			case 'd':
			case 'D':
				/* @dbginfo, @describe, @dig, @doing,
				   @drop, @dump */
				switch (command[2]) {
#ifdef DISKBASE
				case 'b':
				case 'B':
					Matched("@dbginfo");
					WIZARDONLY("@dbginfo", player);
					diskbase_debug(player);
					break;
#endif
				case 'e':
				case 'E':
					Matched("@describe");
					NOGUEST("@describe", player);
					set_standard_property(descr, player, arg1, MESGPROP_DESC, "Object Description", arg2);
					break;
				case 'i':
				case 'I':
					Matched("@dig");
					NOGUEST("@dig", player);
					BUILDERONLY("@dig", player);
					do_dig(descr, player, arg1, arg2);
					break;
				case 'o':
				case 'O':
					Matched("@doing");
					if (!tp_who_doing)
						goto bad;
					NOGUEST("@doing", player);
					set_standard_property(descr, player, arg1, MESGPROP_DOING, "Doing", arg2);
					break;
				case 'r':
				case 'R':
					Matched("@drop");
					NOGUEST("@drop", player);
					set_standard_property(descr, player, arg1, MESGPROP_DROP, "Drop Message", arg2);
					break;
				case 'u':
				case 'U':
					Matched("@dump");
					WIZARDONLY("@dump", player);
					PLAYERONLY("@dump", player);
					do_dump(player, full_command);
					break;
				default:
					goto bad;
				}
				break;
			case 'e':
			case 'E':
				/* @edit, @entrances, @examine */
				switch (command[2]) {
				case 'd':
				case 'D':
					Matched("@edit");
					NOGUEST("@edit", player);
					PLAYERONLY("@edit", player);
					MUCKERONLY("@edit", player);
					do_edit(descr, player, arg1);
					break;
				case 'n':
				case 'N':
					Matched("@entrances");
					do_entrances(descr, player, arg1, arg2);
					break;
				case 'x':
				case 'X':
					Matched("@examine");
					GODONLY("@examine", player);
					sane_dump_object(player, arg1);
					break;
				default:
					goto bad;
				}
				break;
			case 'f':
			case 'F':
				/* @fail, @find, @flock, @force, @force_lock */
				switch (command[2]) {
				case 'a':
				case 'A':
					Matched("@fail");
					NOGUEST("@fail", player);
					set_standard_property(descr, player, arg1, MESGPROP_FAIL, "Fail Message", arg2);
					break;
				case 'i':
				case 'I':
					Matched("@find");
					do_find(player, arg1, arg2);
					break;
				case 'l':
				case 'L':
					Matched("@flock");
					NOGUEST("@flock", player);
					NOFORCE("@flock", force_level, player);
					set_standard_lock(descr, player, arg1, MESGPROP_FLOCK, "Force Lock", arg2);
					break;
				case 'o':
				case 'O':
					if(strlen(command) < 7) {
						Matched("@force");
						do_force(descr, player, arg1, arg2);
					} else {
						Matched("@force_lock");
						NOGUEST("@force_lock", player);
						NOFORCE("@force_lock", force_level, player);
						set_standard_lock(descr, player, arg1, MESGPROP_FLOCK, "Force Lock", arg2);
					}
					break;
				default:
					goto bad;
				}
				break;
			case 'h':
			case 'H':
				/* @hashes */
				Matched("@hashes");
				do_hashes(player, arg1);
				break;
			case 'i':
			case 'I':
				/* @idescribe */
				Matched("@idescribe");
				NOGUEST("@idescribe", player);
				set_standard_property(descr, player, arg1, MESGPROP_IDESC, "Inside Description", arg2);
				break;
			case 'k':
			case 'K':
				/* @kill */
				Matched("@kill");
				do_dequeue(descr, player, arg1);
				break;
			case 'l':
			case 'L':
				/* @link, @list, @lock */
				switch (command[2]) {
				case 'i':
				case 'I':
					switch (command[3]) {
					case 'n':
					case 'N':
						Matched("@link");
						NOGUEST("@link", player);
						do_link(descr, player, arg1, arg2);
						break;
					case 's':
					case 'S':
						Matched("@list");
						match_and_list(descr, player, arg1, arg2);
						break;
					default:
						goto bad;
					}
					break;
				case 'o':
				case 'O':
					Matched("@lock");
					NOGUEST("@lock", player);
					set_standard_lock(descr, player, arg1, MESGPROP_LOCK, "Lock", arg2);
					break;
				default:
					goto bad;
				}
				break;
			case 'm':
			case 'M':
				/* @mcpedit, @mcpprogram, @memory, @mpitops,
				   @muftops */
				switch (command[2]) {
#ifdef MCP_SUPPORT
				case 'c':
				case 'C':
					if (string_prefix("@mcpedit", command)) {
						Matched("@mcpedit");
						NOGUEST("@mcpedit", player);
						PLAYERONLY("@mcpedit", player);
						MUCKERONLY("@mcpedit", player);
						do_mcpedit(descr, player, arg1);
						break;
					} else {
						Matched("@mcpprogram");
						NOGUEST("@mcpprogram", player);
						PLAYERONLY("@mcpprogram", player);
						MUCKERONLY("@mcpprogram", player);
						do_mcpprogram(descr, player, arg1);
						break;
					}
#endif
#ifndef NO_MEMORY_COMMAND
				case 'e':
				case 'E':
					Matched("@memory");
					WIZARDONLY("@memory", player);
					do_memory(player);
					break;
#endif
				case 'p':
			    case 'P':
			        Matched("@mpitops");
				WIZARDONLY("@mpitops", player);
			        do_mpi_topprofs(player, arg1);
			        break;
			    case 'u':
			    case 'U':
			        Matched("@muftops");
				WIZARDONLY("@muftops", player);
			        do_muf_topprofs(player, arg1);
			        break;
				default:
					goto bad;
				}
				break;
			case 'n':
			case 'N':
				/* @name, @newpassword */
				switch (command[2]) {
				case 'a':
				case 'A':
					Matched("@name");
					NOGUEST("@name", player);
					do_name(descr, player, arg1, arg2);
					break;
				case 'e':
				case 'E':
					if (strcmp(command, "@newpassword"))
						goto bad;
					WIZARDONLY("@newpassword", player);
					PLAYERONLY("@newpassword", player);
					do_newpassword(player, arg1, arg2);
					break;
				default:
					goto bad;
				}
				break;
			case 'o':
			case 'O':
				/* @odrop, @oecho, @ofail, @open, @osuccess,
				   @owned */
				switch (command[2]) {
				case 'd':
				case 'D':
					Matched("@odrop");
					NOGUEST("@odrop", player);
					set_standard_property(descr, player, arg1, MESGPROP_ODROP, "ODrop Message", arg2);
					break;
				case 'e':
				case 'E':
					Matched("@oecho");
					NOGUEST("@oecho", player);
					set_standard_property(descr, player, arg1, MESGPROP_OECHO, "Outside-echo Prefix", arg2);
					break;
				case 'f':
				case 'F':
					Matched("@ofail");
					NOGUEST("@ofail", player);
					set_standard_property(descr, player, arg1, MESGPROP_OFAIL, "OFail Message", arg2);
					break;
				case 'p':
				case 'P':
					Matched("@open");
					NOGUEST("@open", player);
					BUILDERONLY("@open", player);
					do_open(descr, player, arg1, arg2);
					break;
				case 's':
				case 'S':
					Matched("@osuccess");
					NOGUEST("@osuccess", player);
					set_standard_property(descr, player, arg1, MESGPROP_OSUCC, "OSuccess Message", arg2);
					break;
				case 'w':
				case 'W':
					Matched("@owned");
					do_owned(player, arg1, arg2);
					break;
				default:
					goto bad;
				}
				break;
			case 'p':
			case 'P':
				/* @password, @pcreate, @pecho, @program, 
				   @propset, @ps */
				switch (command[2]) {
				case 'a':
				case 'A':
					Matched("@password");
					PLAYERONLY("@password", player);
					NOGUEST("@password", player);
					do_password(player, arg1, arg2);
					break;
				case 'c':
				case 'C':
					Matched("@pcreate");
					WIZARDONLY("@pcreate", player);
					PLAYERONLY("@pcreate", player);
					do_pcreate(player, arg1, arg2);
					break;
				case 'e':
				case 'E':
					Matched("@pecho");
					NOGUEST("@pecho", player);
					set_standard_property(descr, player, arg1, MESGPROP_PECHO, "Puppet-echo Prefix", arg2);
					break;
				case 'r':
				case 'R':
					if (string_prefix("@program", command)) {
						Matched("@program");
						NOGUEST("@program", player);
						PLAYERONLY("@program", player);
						MUCKERONLY("@program", player);
						do_prog(descr, player, arg1);
						break;
					} else {
						Matched("@propset");
						NOGUEST("@propset", player);
						do_propset(descr, player, arg1, arg2);
						break;
					}
				case 's':
				case 'S':
					Matched("@ps");
					list_events(player);
					break;
				default:
					goto bad;
				}
				break;
			case 'r':
			case 'R':
				/* @recycle, @reconfiguressl, @relink, @restart, @restrict */
				switch (command[3]) {
				case 'c':
				case 'C':
#ifdef USE_SSL
                                        if (!strcmp(command, "@reconfiguressl")) {
                                                WIZARDONLY("@reconfiguressl", player);
                                                PLAYERONLY("@reconfiguressl", player);
                                                do_reconfigure_ssl(player);
                                                break;
                                        }
#endif
                                        Matched("@recycle");
                                        NOGUEST("@recycle", player);
                                        do_recycle(descr, player, arg1);
                                        break;
				case 'l':
				case 'L':
					Matched("@relink");
					NOGUEST("@relink", player);
					do_relink(descr, player, arg1, arg2);
					break;
				case 's':
				case 'S':
					if (!strcmp(command, "@restart")) {
/*
						WIZARDONLY("@restart", player);
						PLAYERONLY("@restart", player);
*/
						do_restart(player);
					} else if (!strcmp(command, "@restrict")) {
						WIZARDONLY("@restrict", player);
						PLAYERONLY("@restrict", player);
						do_restrict(player, arg1);
					} else {
						goto bad;
					}
					break;
				default:
					goto bad;
				}
				break;
			case 's':
			case 'S':
				/* @sanity, @sanchange, @sanfix, @set,
				   @shutdown, @stats, @success, @sweep */
				switch (command[2]) {
				case 'a':
				case 'A':
					if (!strcmp(command, "@sanity")) {
						GODONLY("@sanity", player);
						sanity(player);
					} else if (!strcmp(command, "@sanchange")) {
						GODONLY("@sanchange", player);
						sanechange(player, full_command);
					} else if (!strcmp(command, "@sanfix")) {
						GODONLY("@sanfix", player);
						sanfix(player);
					} else {
						goto bad;
					}
					break;
				case 'e':
				case 'E':
					Matched("@set");
					NOGUEST("@set", player);
					do_set(descr, player, arg1, arg2);
					break;
				case 'h':
				case 'H':
					if (strcmp(command, "@shutdown"))
						goto bad;
/*
					WIZARDONLY("@shutdown", player);
					PLAYERONLY("@shutdown", player);
*/
					do_shutdown(player);
					break;
				case 't':
				case 'T':
					Matched("@stats");
					do_stats(player, arg1);
					break;
				case 'u':
				case 'U':
					Matched("@success");
					NOGUEST("@success", player);
					set_standard_property(descr, player, arg1, MESGPROP_SUCC, "Success Message", arg2);
					break;
				case 'w':
				case 'W':
					Matched("@sweep");
					do_sweep(descr, player, arg1);
					break;
				default:
					goto bad;
				}
				break;
			case 't':
			case 'T':
				/* @teleport, @toad, @trace, @tune */
				switch (command[2]) {
				case 'e':
				case 'E':
					Matched("@teleport");
					do_teleport(descr, player, arg1, arg2);
					break;
				case 'o':
				case 'O':
					if (!strcmp(command, "@toad")) {
						WIZARDONLY("@toad", player);
						PLAYERONLY("@toad", player);
						do_toad(descr, player, arg1, arg2);
					} else if (!strcmp(command, "@tops")) {
						WIZARDONLY("@tops", player);
						do_all_topprofs(player, arg1);
					} else {
						goto bad;
					}
					break;
				case 'r':
				case 'R':
					Matched("@trace");
					do_trace(descr, player, arg1, atoi(arg2));
					break;
				case 'u':
				case 'U':
					Matched("@tune");
					WIZARDONLY("@tune", player);
					PLAYERONLY("@tune", player);
					do_tune(player, arg1, arg2, !!strchr(full_command, ARG_DELIMITER));
					break;
				default:
					goto bad;
				}
				break;
			case 'u':
			case 'U':
				/* @unbless, @unlink, @unlock, @uncompile,
				   @usage */
				switch (command[2]) {
				case 'N':
				case 'n':
					if (string_prefix(command, "@unb")) {
						Matched("@unbless");
						WIZARDONLY("@unbless", player);
						PLAYERONLY("@unbless", player);
						NOFORCE("@unbless", force_level, player);
						do_unbless(descr, player, arg1, arg2);
					} else if (string_prefix(command, "@unli")) {
						Matched("@unlink");
						NOGUEST("@unlink", player);
						do_unlink(descr, player, arg1);
					} else if (string_prefix(command, "@unlo")) {
						Matched("@unlock");
						NOGUEST("@unlock", player);
						set_standard_lock(descr, player, arg1, MESGPROP_LOCK, "Lock", "");
					} else if (string_prefix(command, "@uncom")) {
						Matched("@uncompile");
						WIZARDONLY("@uncompile", player);
						PLAYERONLY("@uncompile", player);
						do_uncompile(player);
					} else {
						goto bad;
					}
					break;
#ifndef NO_USAGE_COMMAND
				case 'S':
				case 's':
					Matched("@usage");
					WIZARDONLY("@usage", player);
					do_usage(player);
					break;
#endif
				default:
					goto bad;
					break;
				}
				break;
			case 'v':
			case 'V':
				/* @version */
				Matched("@version");
				do_version(player);
				break;
			case 'w':
			case 'W':
				/* @wall */
				if (strcmp(command, "@wall"))
					goto bad;
				WIZARDONLY("@wall", player);
				PLAYERONLY("@wall", player);
				do_wall(player, full_command);
				break;
			default:
				goto bad;
			}
			break;
		case 'd':
		case 'D':
			/* disembark, drop */
			switch (command[1]) {
			case 'i':
			case 'I':
				Matched("disembark");
				do_leave(descr, player);
				break;
			case 'r':
			case 'R':
				Matched("drop");
				do_drop(descr, player, arg1, arg2);
				break;
			default:
				goto bad;
			}
			break;
		case 'e':
		case 'E':
			/* examine */
			Matched("examine");
			do_examine(descr, player, arg1, arg2);
			break;
		case 'g':
		case 'G':
			/* get, give, goto, gripe */
			switch (command[1]) {
			case 'e':
			case 'E':
				Matched("get");
				do_get(descr, player, arg1, arg2);
				break;
			case 'i':
			case 'I':
				Matched("give");
				do_give(descr, player, arg1, atoi(arg2));
				break;
			case 'o':
			case 'O':
				Matched("goto");
				do_move(descr, player, arg1, 0);
				break;
			case 'r':
			case 'R':
				if (string_compare(command, "gripe"))
					goto bad;
				do_gripe(player, full_command);
				break;
			default:
				goto bad;
			}
			break;
		case 'h':
		case 'H':
			/* help */
			Matched("help");
			do_help(player, arg1, arg2);
			break;
		case 'i':
		case 'I':
			/* inventory, info */
			if (string_compare(command, "info")) {
				Matched("inventory");
				do_inventory(player);
			} else {
				Matched("info");
				do_info(player, arg1, arg2);
			}
			break;
		case 'k':
		case 'K':
			/* kill */
			Matched("kill");
			do_kill(descr, player, arg1, atoi(arg2));
			break;
		case 'l':
		case 'L':
			/* leave, look */
			if (string_prefix("look", command)) {
				Matched("look");
				do_look_at(descr, player, arg1, arg2);
				break;
			} else {
				Matched("leave");
				do_leave(descr, player);
				break;
			}
		case 'm':
		case 'M':
			/* man, motd, move, mpi */
			if (string_prefix(command, "move")) {
				do_move(descr, player, arg1, 0);
				break;
			} else if (!string_compare(command, "motd")) {
				do_motd(player, full_command);
				break;
			} else if (!string_compare(command, "mpi")) {
				do_mpihelp(player, arg1, arg2);
				break;
			} else {
				if (string_compare(command, "man"))
					goto bad;
				do_man(player, (!*arg1 && !*arg2 && arg1 != arg2) ? "=" : arg1, arg2);
			}
			break;
		case 'n':
		case 'N':
			/* news */
			Matched("news");
			do_news(player, arg1, arg2);
			break;
		case 'p':
		case 'P':
			/* page, pose, put */
			switch (command[1]) {
			case 'a':
			case 'A':
				Matched("page");
				do_page(player, arg1, arg2);
				break;
			case 'o':
			case 'O':
				Matched("pose");
				do_pose(player, full_command);
				break;
			case 'u':
			case 'U':
				Matched("put");
				do_drop(descr, player, arg1, arg2);
				break;
			default:
				goto bad;
			}
			break;
		case 'r':
		case 'R':
			/* read, rob */
			switch (command[1]) {
			case 'e':
			case 'E':
				Matched("read");	/* undocumented alias for look */
				do_look_at(descr, player, arg1, arg2);
				break;
			case 'o':
			case 'O':
				Matched("rob");
				do_rob(descr, player, arg1);
				break;
			default:
				goto bad;
			}
			break;
		case 's':
		case 'S':
			/* say, score */
			switch (command[1]) {
			case 'a':
			case 'A':
				Matched("say");
				do_say(player, full_command);
				break;
			case 'c':
			case 'C':
				Matched("score");
				do_score(player);
				break;
			default:
				goto bad;
			}
			break;
		case 't':
		case 'T':
			/* take, throw */
			switch (command[1]) {
			case 'a':
			case 'A':
				Matched("take");
				do_get(descr, player, arg1, arg2);
				break;
			case 'h':
			case 'H':
				Matched("throw");
				do_drop(descr, player, arg1, arg2);
				break;
			default:
			goto bad;
			}
			break;
		case 'w':
		case 'W':
			/* whisper */
			Matched("whisper");
			do_whisper(descr, player, arg1, arg2);
			break;
		default:
		  bad:
			if (tp_m3_huh != 0)
			{
				char hbuf[BUFFER_LEN];
				snprintf(hbuf,BUFFER_LEN,"HUH? %s", command);
				if(can_move(descr, player, hbuf, 3)) {
					do_move(descr, player, hbuf, 3);
					*match_args = 0;
					*match_cmdname = 0;
					break;
				}
			}	
			notify(player, tp_huh_mesg);
			if (tp_log_failed_commands && !controls(player, LOCATION(player))) {
				log_status("HUH from %s(%d) in %s(%d)[%s]: %s %s",
						   NAME(player), player, NAME(LOCATION(player)),
						   LOCATION(player),
						   NAME(OWNER(LOCATION(player))), command, full_command);
			}
			break;
		}
	}

	/* calculate time command took. */
	gettimeofday(&endtime, NULL);
	if (starttime.tv_usec > endtime.tv_usec) {
		endtime.tv_usec += 1000000;
		endtime.tv_sec -= 1;
	}
	endtime.tv_usec -= starttime.tv_usec;
	endtime.tv_sec -= starttime.tv_sec;

	totaltime = endtime.tv_sec + (endtime.tv_usec * 1.0e-6);
	if (totaltime > (tp_cmd_log_threshold_msec / 1000.0)) {
		log2file(LOG_CMD_TIMES, "%6.3fs, %.16s: %s: %s",
					totaltime, ctime((time_t *)&starttime.tv_sec),
					whowhere(player), command);
	}
}
Beispiel #8
0
 node_output_plug_t *clone() const { return do_clone();}
Beispiel #9
0
 std::auto_ptr<base_event> clone() const
 {
     return do_clone();
 }
Beispiel #10
0
 button_description* clone() const
 {
     button_description* item = do_clone();
     assert(typeid(*this) == typeid(*item) && "do_clone() sliced object!");
     return item;
 }
Beispiel #11
0
 animal* clone() const
 {
     return do_clone();
 }
Beispiel #12
0
Datei: fsx.c Projekt: CzBiX/ceph
void
test(void)
{
	unsigned long	offset;
	unsigned long	size = maxoplen;
	unsigned long	rv = get_random();
	unsigned long	op;

	if (simulatedopcount > 0 && testcalls == simulatedopcount)
		writefileimage();

	testcalls++;

	if (closeprob)
		closeopen = (rv >> 3) < (1u << 28) / (unsigned)closeprob;

	if (debugstart > 0 && testcalls >= debugstart)
		debug = 1;

	if (!quiet && testcalls < simulatedopcount && testcalls % 100000 == 0)
		prt("%lu...\n", testcalls);

	offset = get_random();
	if (randomoplen)
		size = get_random() % (maxoplen + 1);

	/* calculate appropriate op to run */
	if (lite)
		op = rv % OP_MAX_LITE;
	else
		op = rv % OP_MAX_FULL;

	switch (op) {
	case OP_MAPREAD:
		if (!mapped_reads)
			op = OP_READ;
		break;
	case OP_MAPWRITE:
		if (!mapped_writes)
			op = OP_WRITE;
		break;
	case OP_FALLOCATE:
		if (!fallocate_calls) {
			log4(OP_SKIPPED, OP_FALLOCATE, offset, size);
			goto out;
		}
		break;
	case OP_PUNCH_HOLE:
		if (!punch_hole_calls) {
			log4(OP_SKIPPED, OP_PUNCH_HOLE, offset, size);
			goto out;
		}
		break;
	case OP_CLONE:
		/* clone, 8% chance */
		if (!clone_calls || file_size == 0 || get_random() % 100 >= 8) {
			log4(OP_SKIPPED, OP_CLONE, 0, 0);
			goto out;
		}
		break;
	case OP_FLATTEN:
		/* flatten four times as rarely as clone, 2% chance */
		if (get_random() % 100 >= 2) {
			log4(OP_SKIPPED, OP_FLATTEN, 0, 0);
			goto out;
		}
		break;
	}

	switch (op) {
	case OP_READ:
		TRIM_OFF_LEN(offset, size, file_size);
		doread(offset, size);
		break;

	case OP_WRITE:
		TRIM_OFF_LEN(offset, size, maxfilelen);
		dowrite(offset, size);
		break;

	case OP_MAPREAD:
		TRIM_OFF_LEN(offset, size, file_size);
		exit(183);
		break;

	case OP_MAPWRITE:
		TRIM_OFF_LEN(offset, size, maxfilelen);
		exit(182);
		break;

	case OP_TRUNCATE:
		if (!style)
			size = get_random() % maxfilelen;
		dotruncate(size);
		break;

	case OP_PUNCH_HOLE:
		TRIM_OFF_LEN(offset, size, file_size);
		do_punch_hole(offset, size);
		break;

	case OP_CLONE:
		do_clone();
		break;

	case OP_FLATTEN:
		do_flatten();
		break;

	default:
		prterr("test: unknown operation");
		report_failure(42);
		break;
	}

out:
	if (sizechecks && testcalls > simulatedopcount)
		check_size();
	if (closeopen)
		docloseopen();
}
Beispiel #13
0
DivFunc* DivFunc::clone() const { return do_clone(); }
Beispiel #14
0
int main(int argc, char *argv[]) {
    int rc, sync[2];

    pid_t pid = -1;

    siginfo_t status;

    struct mount *mounts = NULL;
    struct netif *netifs = NULL;
    struct cgroup *cgroups = NULL;
    struct user *users = NULL;
#if HAVE_LIBCAP_NG
    struct capability *caps = NULL;
#endif

    char *master;
    _close_ int master_fd = -1;

    char ephemeral_dir[] = "/tmp/pflask-ephemeral-XXXXXX";

    int clone_flags = CLONE_NEWNS  |
                          CLONE_NEWIPC |
                          CLONE_NEWPID |
#ifdef CLONE_NEWCGROUP
                          CLONE_NEWCGROUP |
#endif
                          CLONE_NEWUTS;

    struct gengetopt_args_info args;

    if (cmdline_parser(argc, argv, &args) != 0)
        return 1;

    for (unsigned int i = 0; i < args.mount_given; i++) {
        validate_optlist("--mount", args.mount_arg[i]);
        mount_add_from_spec(&mounts, args.mount_arg[i]);
    }

    for (unsigned int i = 0; i < args.netif_given; i++) {
        clone_flags |= CLONE_NEWNET;

        if (args.netif_arg != NULL) {
            validate_optlist("--netif", args.netif_arg[i]);
            netif_add_from_spec(&netifs, args.netif_arg[i]);
        }
    }

    if (args.user_given && !args.user_map_given) {
        uid_t uid;
        gid_t gid;

        clone_flags |= CLONE_NEWUSER;

        if (user_get_uid_gid(args.user_arg, &uid, &gid)) {
            user_add_map(&users, 'u', uid, uid, 1);
            user_add_map(&users, 'g', gid, gid, 1);
        }
    }

    for (unsigned int i = 0; i < args.user_map_given; i++) {
        size_t count;
        uid_t id, host_id;

        char *start = args.user_map_arg[i], *end = NULL;

        validate_optlist("--user-map", args.user_map_arg[i]);

        clone_flags |= CLONE_NEWUSER;

        id = strtoul(start, &end, 10);
        if (*end != ':')
            fail_printf("Invalid value '%s' for --user-map",
                        args.user_map_arg[i]);

        start = end + 1;

        host_id = strtoul(start, &end, 10);
        if (*end != ':')
            fail_printf("Invalid value '%s' for --user-map",
                        args.user_map_arg[i]);

        start = end + 1;

        count = strtoul(start, &end, 10);
        if (*end != '\0')
            fail_printf("Invalid value '%s' for --user-map",
                        args.user_map_arg[i]);

        user_add_map(&users, 'u', id, host_id, count);
        user_add_map(&users, 'g', id, host_id, count);
    }

    for (unsigned int i = 0; i < args.cgroup_given; i++)
        cgroup_add(&cgroups, args.cgroup_arg[i]);

#if HAVE_LIBCAP_NG
    for (unsigned int i = 0; i < args.caps_given; i++)
        capability_add(&caps, args.caps_arg[i]);
#endif

    if (args.no_userns_flag)
        clone_flags &= ~(CLONE_NEWUSER);

    if (args.no_mountns_flag)
        clone_flags &= ~(CLONE_NEWNS);

    if (args.no_netns_flag)
        clone_flags &= ~(CLONE_NEWNET);

    if (args.no_ipcns_flag)
        clone_flags &= ~(CLONE_NEWIPC);

    if (args.no_utsns_flag)
        clone_flags &= ~(CLONE_NEWUTS);

    if (args.no_pidns_flag)
        clone_flags &= ~(CLONE_NEWPID);

    if (args.attach_given) {
        master_fd = recv_pty(args.attach_arg);
        fail_if(master_fd < 0, "Invalid PID '%u'", args.attach_arg);

        process_pty(master_fd);
        return 0;
    }

    open_master_pty(&master_fd, &master);

    if (args.detach_flag)
        do_daemonize();

    sync_init(sync);

    if (args.ephemeral_flag) {
        if (!mkdtemp(ephemeral_dir))
            sysf_printf("mkdtemp()");
    }

    pid = do_clone(&clone_flags);

    if (!pid) {
        closep(&master_fd);

        rc = prctl(PR_SET_PDEATHSIG, SIGKILL);
        sys_fail_if(rc < 0, "prctl(PR_SET_PDEATHSIG)");

        rc = setsid();
        sys_fail_if(rc < 0, "setsid()");

        sync_barrier_parent(sync, SYNC_START);

        sync_close(sync);

        open_slave_pty(master);

        setup_user(args.user_arg);

        if (args.hostname_given) {
            rc = sethostname(args.hostname_arg,
                             strlen(args.hostname_arg));
            sys_fail_if(rc < 0, "Error setting hostname");
        }

        setup_mount(mounts, args.chroot_arg, args.ephemeral_flag ?
                                               ephemeral_dir : NULL);

        if (args.chroot_given) {
            setup_nodes(args.chroot_arg);

            setup_ptmx(args.chroot_arg);

            setup_symlinks(args.chroot_arg);

            setup_console(args.chroot_arg, master);

            do_chroot(args.chroot_arg);
        }

        if (clone_flags & CLONE_NEWNET)
            config_netif();

        umask(0022);

#if HAVE_LIBCAP_NG
        setup_capabilities(caps);
#endif

        if (args.chdir_given) {
            rc = chdir(args.chdir_arg);
            sys_fail_if(rc < 0, "Error changing cwd");
        }

        if (args.chroot_given) {
            char *term = getenv("TERM");

            if (!args.keepenv_flag)
                clearenv();

            setenv("PATH", "/usr/sbin:/usr/bin:/sbin:/bin", 1);
            setenv("USER", args.user_arg, 1);
            setenv("LOGNAME", args.user_arg, 1);
            if (term)
                setenv("TERM", term, 1);
        }

        for (unsigned int i = 0; i < args.setenv_given; i++) {
            rc = putenv(strdup(args.setenv_arg[i]));
            sys_fail_if(rc != 0, "Error setting environment");
        }

        setenv("container", "pflask", 1);

        if (argc > optind)
            rc = execvpe(argv[optind], argv + optind, environ);
        else
            rc = execle("/bin/bash", "-bash", NULL, environ);

        sys_fail_if(rc < 0, "Error executing command");
    }

    sync_wait_child(sync, SYNC_START);

    if (args.chroot_given && (clone_flags & CLONE_NEWUSER))
        setup_console_owner(master, users);

    setup_cgroup(cgroups, pid);

    setup_netif(netifs, pid);

#ifdef HAVE_DBUS
    register_machine(pid, args.chroot_given ? args.chroot_arg : "");
#endif

    if (clone_flags & CLONE_NEWUSER)
        setup_user_map(users, pid);

    sync_wake_child(sync, SYNC_DONE);

    sync_close(sync);

    if (args.detach_flag)
        serve_pty(master_fd);
    else
        process_pty(master_fd);

    kill(pid, SIGKILL);

    rc = waitid(P_PID, pid, &status, WEXITED);
    sys_fail_if(rc < 0, "Error waiting for child");

    switch (status.si_code) {
    case CLD_EXITED:
        if (status.si_status != 0)
            err_printf("Child failed with code '%d'",
                       status.si_status);
        else
            ok_printf("Child exited");
        break;

    case CLD_KILLED:
        err_printf("Child was terminated by signal '%d'",
                   status.si_status);
        break;

    default:
        err_printf("Child failed");
        break;
    }

    sync_close(sync);

    clean_cgroup(cgroups);

    if (args.ephemeral_flag) {
        rc = rmdir(ephemeral_dir);
        sys_fail_if(rc != 0, "Error deleting ephemeral directory: %s",
                             ephemeral_dir);
    }

    cmdline_parser_free(&args);

    return status.si_status;
}
Beispiel #15
0
 Base*    clone() const                { return do_clone(); }
Beispiel #16
0
/**
 * \brief Create a copy of this allocated with new.
 */
claw::tween::base_tweener* claw::tween::base_tweener::clone() const
{
    return do_clone();
} // base_tweener::clone()
Beispiel #17
0
 virtual theBaseType* clone(void) const
 { /*std::cout << "Cloning a " << m_Type << std::endl;*/
     return dynamic_cast<theBaseType*>(do_clone());
 }
Beispiel #18
0
static int
create_thread (struct pthread *pd, const struct pthread_attr *attr,
	       STACK_VARIABLES_PARMS)
{
#ifdef TLS_TCB_AT_TP
  assert (pd->header.tcb != NULL);
#endif

  /* We rely heavily on various flags the CLONE function understands:

     CLONE_VM, CLONE_FS, CLONE_FILES
	These flags select semantics with shared address space and
	file descriptors according to what POSIX requires.

     CLONE_SIGNAL
	This flag selects the POSIX signal semantics.

     CLONE_SETTLS
	The sixth parameter to CLONE determines the TLS area for the
	new thread.

     CLONE_PARENT_SETTID
	The kernels writes the thread ID of the newly created thread
	into the location pointed to by the fifth parameters to CLONE.

	Note that it would be semantically equivalent to use
	CLONE_CHILD_SETTID but it is be more expensive in the kernel.

     CLONE_CHILD_CLEARTID
	The kernels clears the thread ID of a thread that has called
	sys_exit() in the location pointed to by the seventh parameter
	to CLONE.

     CLONE_DETACHED
	No signal is generated if the thread exists and it is
	automatically reaped.

     The termination signal is chosen to be zero which means no signal
     is sent.  */
  int clone_flags = (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGNAL
		     | CLONE_SETTLS | CLONE_PARENT_SETTID
		     | CLONE_CHILD_CLEARTID | CLONE_SYSVSEM
#if __ASSUME_NO_CLONE_DETACHED == 0
		     | CLONE_DETACHED
#endif
		     | 0);

  if (__builtin_expect (THREAD_GETMEM (THREAD_SELF, report_events), 0))
    {
      /* The parent thread is supposed to report events.  Check whether
	 the TD_CREATE event is needed, too.  */
      const int _idx = __td_eventword (TD_CREATE);
      const uint32_t _mask = __td_eventmask (TD_CREATE);

      if ((_mask & (__nptl_threads_events.event_bits[_idx]
		    | pd->eventbuf.eventmask.event_bits[_idx])) != 0)
	{
	  /* We always must have the thread start stopped.  */
	  pd->stopped_start = true;

	  /* Create the thread.  We always create the thread stopped
	     so that it does not get far before we tell the debugger.  */
	  int res = do_clone (pd, attr, clone_flags, start_thread,
			      STACK_VARIABLES_ARGS, 1);
	  if (res == 0)
	    {
	      /* Now fill in the information about the new thread in
		 the newly created thread's data structure.  We cannot let
		 the new thread do this since we don't know whether it was
		 already scheduled when we send the event.  */
	      pd->eventbuf.eventnum = TD_CREATE;
	      pd->eventbuf.eventdata = pd;

	      /* Enqueue the descriptor.  */
	      do
		pd->nextevent = __nptl_last_event;
	      while (atomic_compare_and_exchange_bool_acq (&__nptl_last_event,
							   pd, pd->nextevent)
		     != 0);

	      /* Now call the function which signals the event.  */
	      __nptl_create_event ();

	      /* And finally restart the new thread.  */
	      lll_unlock (pd->lock);
	    }

	  return res;
	}
    }

#ifdef NEED_DL_SYSINFO
  assert (THREAD_SELF_SYSINFO == THREAD_SYSINFO (pd));
#endif

  /* Determine whether the newly created threads has to be started
     stopped since we have to set the scheduling parameters or set the
     affinity.  */
  bool stopped = false;
  if (attr != NULL && (attr->cpuset != NULL
		       || (attr->flags & ATTR_FLAG_NOTINHERITSCHED) != 0))
    stopped = true;
  pd->stopped_start = stopped;
  pd->parent_cancelhandling = THREAD_GETMEM (THREAD_SELF, cancelhandling);

  /* Actually create the thread.  */
  int res = do_clone (pd, attr, clone_flags, start_thread,
		      STACK_VARIABLES_ARGS, stopped);

  if (res == 0 && stopped)
    /* And finally restart the new thread.  */
    lll_unlock (pd->lock);

  return res;
}
Beispiel #19
0
int main(int argc, char *argv[]) {
	int rc, i;

	pid_t pid  = -1;
	pid_t ppid = getpid();

	uid_t uid = -1;
	gid_t gid = -1;

	_free_ char *user   = NULL;
	_free_ char *dest   = NULL;
	_free_ char *change = NULL;
	_free_ char *env    = NULL;
	_free_ char *cgroup = NULL;

	_close_ int master_fd = -1;

	char *master_name;

	int detach  = 0;
	int keepenv = 0;

	siginfo_t status;

	while ((rc = getopt_long(argc, argv, short_opts, long_opts, &i)) !=-1) {
		switch (rc) {
			case 'm':
				validate_optlist("--mount", optarg);

				add_mount_from_spec(optarg);
				break;

			case 'n':
				clone_flags |= CLONE_NEWNET;

				if (optarg != NULL) {
					validate_optlist("--netif", optarg);

					add_netif_from_spec(optarg);
				}
				break;

			case 'u':
				clone_flags |= CLONE_NEWUSER;

				freep(&user);

				user = strdup(optarg);
				break;

			case 'r':
				freep(&dest);

				dest = realpath(optarg, NULL);
				if (dest == NULL) sysf_printf("realpath()");
				break;

			case 'c':
				freep(&change);

				change = strdup(optarg);
				break;

			case 'g':
				validate_optlist("--cgroup", optarg);
				validate_cgroup_spec(optarg);

				freep(&change);

				cgroup = strdup(optarg);
				break;

			case 'd':
				detach = 1;
				break;

			case 'a': {
				char *end = NULL;
				pid = strtol(optarg, &end, 10);
				if (*end != '\0')
					fail_printf("Invalid value '%s' for --attach", optarg);
				break;
			}

			case 's': {
				validate_optlist("--setenv", optarg);

				if (env != NULL) {
					char *tmp = env;

					rc = asprintf(&env, "%s,%s", env, optarg);
					if (rc < 0) fail_printf("OOM");

					freep(&tmp);
				} else {
					env = strdup(optarg);
				}

				break;
			}

			case 'k':
				keepenv = 1;
				break;

			case 'U':
				clone_flags &= ~(CLONE_NEWUSER);
				break;

			case 'M':
				clone_flags &= ~(CLONE_NEWNS);
				break;

			case 'N':
				clone_flags &= ~(CLONE_NEWNET);
				break;

			case 'I':
				clone_flags &= ~(CLONE_NEWIPC);
				break;

			case 'H':
				clone_flags &= ~(CLONE_NEWUTS);
				break;

			case 'P':
				clone_flags &= ~(CLONE_NEWPID);
				break;

			case '?':
			case 'h':
				help();
				return 0;
		}
	}

	if (pid != -1) {
		master_fd = recv_pty(pid);
		if (master_fd < 0) fail_printf("Invalid PID '%u'", pid);

		pid = -1;
		goto process_fd;
	}

	if (user == NULL) {
		user = strdup("root");
		if (user == NULL) fail_printf("OOM");
	}

	open_master_pty(&master_fd, &master_name);

	uid = getuid();
	gid = getgid();

	if (detach == 1)
		do_daemonize();

	pid = do_clone();

	if (pid == 0) {
		closep(&master_fd);

		open_slave_pty(master_name);

		rc = setsid();
		if (rc < 0) sysf_printf("setsid()");

		rc = prctl(PR_SET_PDEATHSIG, SIGKILL);
		if (rc < 0) sysf_printf("prctl(PR_SET_PDEATHSIG)");

		if (clone_flags & CLONE_NEWUSER)
			map_user_to_user(uid, gid, user);

		do_cgroup(cgroup, ppid);

		do_mount(dest);

		if (dest != NULL) {
			copy_nodes(dest);

			make_ptmx(dest);

			make_symlinks(dest);

			make_console(dest, master_name);

			do_chroot(dest);
		}

		if (clone_flags & CLONE_NEWNET)
			setup_loopback();

		umask(0022);

		/* TODO: drop capabilities */

		do_user(user);

		if (change != NULL) {
			rc = chdir(change);
			if (rc < 0) sysf_printf("chdir()");
		}

		if (dest != NULL) {
			char *term = getenv("TERM");

			if (keepenv == 0)
				clearenv();

			setenv("PATH", "/usr/sbin:/usr/bin:/sbin:/bin", 1);
			setenv("USER", user, 1);
			setenv("LOGNAME", user, 1);
			setenv("TERM", term, 1);
		}

		if (env != NULL) {
			size_t i, c;

			_free_ char **vars = NULL;

			_free_ char *tmp = strdup(env);
			if (tmp == NULL) fail_printf("OOM");

			c = split_str(tmp, &vars, ",");

			for (i = 0; i < c; i++) {
				rc = putenv(strdup(vars[i]));
				if (rc != 0) sysf_printf("putenv()");
			}
		}

		setenv("container", "pflask", 1);

		if (argc > optind)
			rc = execvpe(argv[optind], argv + optind, environ);
		else
			rc = execle("/bin/bash", "-bash", NULL, environ);

		if (rc < 0) sysf_printf("exec()");
	}

	do_netif(pid);

process_fd:
	if (detach == 1)
		serve_pty(master_fd);
	else
		process_pty(master_fd);

	if (pid == -1)
		return 0;

	kill(pid, SIGKILL);

	rc = waitid(P_PID, pid, &status, WEXITED);
	if (rc < 0) sysf_printf("waitid()");

	switch (status.si_code) {
		case CLD_EXITED:
			if (status.si_status != 0)
				err_printf("Child failed with code '%d'",
				           status.si_status);
			else
				ok_printf("Child exited");
			break;

		case CLD_KILLED:
			err_printf("Child was terminated");
			break;

		default:
			err_printf("Child failed");
			break;
	}

	undo_cgroup(cgroup, ppid);

	return status.si_status;
}