Esempio n. 1
0
 // Resolution order for ambiguous imports:
 // (1) filename as given
 // (2) underscore + given
 // (3) underscore + given + extension
 // (4) given + extension
 std::vector<Sass_Queued> resolve_includes(const std::string& root, const std::string& file)
 {
   std::string filename = join_paths(root, file);
   // supported extensions
   const std::vector<std::string> exts = {
     ".scss", ".sass", ".css"
   };
   // split the filename
   std::string base(dir_name(file));
   std::string name(base_name(file));
   std::vector<Sass_Queued> includes;
   // create full path (maybe relative)
   std::string rel_path(join_paths(base, name));
   std::string abs_path(join_paths(root, rel_path));
   if (file_exists(abs_path)) includes.push_back(Sass_Queued(rel_path, abs_path, 0));
   // next test variation with underscore
   rel_path = join_paths(base, "_" + name);
   abs_path = join_paths(root, rel_path);
   if (file_exists(abs_path)) includes.push_back(Sass_Queued(rel_path, abs_path, 0));
   // next test exts plus underscore
   for(auto ext : exts) {
     rel_path = join_paths(base, "_" + name + ext);
     abs_path = join_paths(root, rel_path);
     if (file_exists(abs_path)) includes.push_back(Sass_Queued(rel_path, abs_path, 0));
   }
   // next test plain name with exts
   for(auto ext : exts) {
     rel_path = join_paths(base, name + ext);
     abs_path = join_paths(root, rel_path);
     if (file_exists(abs_path)) includes.push_back(Sass_Queued(rel_path, abs_path, 0));
   }
   // nothing found
   return includes;
 }
static Image *add_image(
	ImageManager *manager,
	char *name,
	MemoryManager memory)
{
	char * const full_name = join_paths(manager->directory, name, memory);
	Image image;

	if (!full_name)
	{
		return NULL;
	}

	image.name = name;
	image.surface = load_texture(full_name, manager->format);
	Deallocator_free(memory.deallocator, full_name);

	if (!image.surface)
	{
		return NULL;
	}

	if (!Vector_push_back(&manager->images, &image, sizeof(image), memory.allocator))
	{
		SDL_FreeSurface(image.surface);
		return NULL;
	}

	return ((Image *)Vector_end(&manager->images)) - 1;
}
/* Build the upload_directories array by converting upload_subdirectories to
 * absolute path names. The generated paths don't have a trailing slash. */
static int initialize_upload_directories() {
  upload_directories = calloc(num_upload_subdirectories,
                              sizeof(upload_directories[0]));
  if (upload_directories == NULL) {
    syslog(LOG_ERR,
           "initialize_upload_directories:calloc: %s",
           strerror(errno));
    return -1;
  }
  int idx;
  for (idx = 0; idx < num_upload_subdirectories; ++idx) {
    char absolute_path[PATH_MAX + 1];
    if (join_paths(UPLOADS_ROOT, upload_subdirectories[idx], absolute_path)) {
      return -1;
    }
    upload_directories[idx] = strdup(absolute_path);
    if (upload_directories[idx] == NULL) {
      syslog(LOG_ERR,
             "upload_directories:strdup(\"%s\"): %s",
             absolute_path,
             strerror(errno));
      return -1;
    }
  }
  return 0;
}
Esempio n. 4
0
/* Transform all path components of the given entry. This includes hardlink and
 * symlink paths as well as the destination path.
 *
 * Returns 0 on success, 1 where the file does not need to be extracted and <0
 * on error.
 */
static int transform_all_paths(struct archive_entry *entry, const char *dest)
{
    char *path;
    const char *filename;
    int r;

    r = transform_dest_path(entry, dest);
    if (r)
        return r;

    /* Next transform hardlink and symlink destinations. */
    filename = archive_entry_hardlink(entry);
    if (filename) {
        /* Apply the same transform to the hardlink path as was applied
         * to the destination path.
         */
        path = join_paths(dest, filename);
        if (!path) {
            opkg_msg(ERROR, "Not extracting '%s': Hardlink to nowhere.\n",
                     archive_entry_pathname(entry));
            return 1;
        }

        archive_entry_set_hardlink(entry, path);
        free(path);
    }

    /* Currently no transform to perform for symlinks. */

    return 0;
}
Esempio n. 5
0
File: x9.c Progetto: loogica/x9
void
    search_files(DIR *root,
                 const char *rel_path,
                 char *current_path,
                 int level)
{
    int index = 0;
    struct dirent *current;
    char full_path_name[MAXPATHLEN];

    chdir(rel_path);
    strcpy(full_path_name, current_path);

    while ((current = readdir(root)) != NULL) {
        join_paths(full_path_name, full_path_name, current->d_name);

        if (current->d_type == DT_DIR && CHECK_IGNORED(current->d_name)) {
            search_files(opendir(current->d_name),
                         current->d_name,
                         full_path_name,
                         ++level);

            chdir("..");
        } else if (CHECK_IGNORED(current->d_name)) {
            if ((index = find_file(full_path_name)) >= 0)
                printf("%-20s %s\n", obvious_projects[index],
                                           full_path_name);
        }

        remove_component(full_path_name, current->d_name);

    }

    closedir(root);
}
Esempio n. 6
0
int chdir(const char *src)
{
    int rv;
    struct file *file;
    char cwd_buf[CURRENTDIR_MAX];

    if (this_fs->fs_ops->chdir)
	return this_fs->fs_ops->chdir(this_fs, src);

    /* Otherwise it is a "conventional filesystem" */
    rv = searchdir(src);
    if (rv < 0)
	return rv;

    file = handle_to_file(rv);
    if (file->inode->mode != DT_DIR) {
	_close_file(file);
	return -1;
    }

    put_inode(this_fs->cwd);
    this_fs->cwd = get_inode(file->inode);
    _close_file(file);

    /* Save the current working directory */
    realpath(cwd_buf, src, CURRENTDIR_MAX);

    /* Make sure the cwd_name ends in a slash, it's supposed to be a prefix */
    join_paths(this_fs->cwd_name, CURRENTDIR_MAX, cwd_buf, "/");

    return 0;
}
Esempio n. 7
0
void test_join_paths(void** state)
{
  const char* dir = "/this/is/the/whole/";
  const char* file = "path";
  char path[FILENAME_MAX];
  join_paths(dir, file, path);
  assert_true(!strcmp(path, "/this/is/the/whole/path"));
}
Esempio n. 8
0
static void run_boot_hooks(struct boot_task *task)
{
	struct dirent **hooks;
	int i, n;

	n = scandir(boot_hook_dir, &hooks, hook_filter, hook_cmp);
	if (n < 1)
		return;

	update_status(task->status_fn, task->status_arg, BOOT_STATUS_INFO,
			_("running boot hooks"));

	boot_hook_setenv(task);

	for (i = 0; i < n; i++) {
		const char *argv[2] = { NULL, NULL };
		struct process *process;
		char *path;
		int rc;

		path = join_paths(task, boot_hook_dir, hooks[i]->d_name);

		if (access(path, X_OK)) {
			talloc_free(path);
			continue;
		}

		process = process_create(task);

		argv[0] = path;
		process->path = path;
		process->argv = argv;
		process->keep_stdout = true;

		pb_log("running boot hook %s\n", hooks[i]->d_name);

		rc = process_run_sync(process);
		if (rc) {
			pb_log("boot hook exec failed!\n");

		} else if (WIFEXITED(process->exit_status) &&
			   WEXITSTATUS(process->exit_status)
				== BOOT_HOOK_EXIT_UPDATE) {
			/* if the hook returned with BOOT_HOOK_EXIT_UPDATE,
			 * then we process stdout to look for updated params
			 */
			boot_hook_update(task, hooks[i]->d_name,
					process->stdout_buf);
			boot_hook_setenv(task);
		}

		process_release(process);
		talloc_free(path);
	}

	free(hooks);
}
Esempio n. 9
0
File: test_x9.c Progetto: loogica/x9
void
    test_join_paths(void)
{
    char result_path1[100];
    char result_path2[100];
    char result_path3[100];

    const char *path1 = ".";
    const char *path2 = "src";
    const char *path3 = "module";

    join_paths(result_path1, path1, path2);
    join_paths(result_path2, result_path1, path3);
    join_paths(result_path3, path2, path3);

    assert(0 == strcmp(result_path1, "./src"));
    assert(0 == strcmp(result_path2, "./src/module"));
    assert(0 == strcmp(result_path3, "src/module"));
}
Esempio n. 10
0
size_t realpath(char *dst, const char *src, size_t bufsize)
{
    if (this_fs->fs_ops->realpath) {
	return this_fs->fs_ops->realpath(this_fs, dst, src, bufsize);
    } else {
	/* Filesystems with "common" pathname resolution */
	return join_paths(dst, bufsize, 
			  src[0] == '/' ? "" : this_fs->cwd_name,
			  src);
    }
}
Esempio n. 11
0
int linux_test_truncate(arg_temp *args_struct)
{
	char path[200];
	char message[200];
	int output=0;
	join_paths(linux_struct.root_path,args_struct->string1, path );
	sprintf(message,"file path: %s\n",path);	
	print_message(3,message);

	output=truncate(path,args_struct->int1);
	return output;
}
Esempio n. 12
0
/* Transform the destination path of the given entry.
 *
 * Returns 0 on success, 1 where the file does not need to be extracted and <0
 * on error.
 */
static int transform_dest_path(struct archive_entry *entry, const char *dest)
{
    char *path;
    const char *filename;

    filename = archive_entry_pathname(entry);

    path = join_paths(dest, filename);
    if (!path)
        return 1;

    archive_entry_set_pathname(entry, path);
    free(path);

    return 0;
}
Common::InSaveFile *DefaultSaveFileManager::openForLoading(const char *filename) {
	char buf[256];
	join_paths(filename, getSavePath(), buf, sizeof(buf));

#ifdef USE_ZLIB
	GzipSaveFile *sf = new GzipSaveFile(buf, false);
#else
	StdioSaveFile *sf = new StdioSaveFile(buf, false);
#endif

	if (!sf->isOpen()) {
		delete sf;
		sf = 0;
	}
	return sf;
}
/* Build the upload_subdirectories array
 * by scanning UPLOADS_ROOT for subdirectories. */
static int initialize_upload_subdirectories() {
  DIR* handle = opendir(UPLOADS_ROOT);
  if (handle == NULL) {
    syslog(LOG_ERR,
           "initialize_upload_subdirectories:opendir(\"%s\"): %s",
           UPLOADS_ROOT,
           strerror(errno));
    return -1;
  }
  struct dirent* entry;
  while ((entry = readdir(handle))) {
    if (entry->d_name[0] == '.') {  /* Skip hidden, ".", and ".." */
      continue;
    }
    char absolute_filename[PATH_MAX + 1];
    if (join_paths(UPLOADS_ROOT, entry->d_name, absolute_filename)) {
      return -1;
    }
    struct stat dir_info;
    if (stat(absolute_filename, &dir_info)) {
      syslog(LOG_ERR,
             "initialize_upload_subdirectories:stat(\"%s\"): %s",
             absolute_filename,
             strerror(errno));
      return -1;
    }
    if (S_ISDIR(dir_info.st_mode)) {
      ++num_upload_subdirectories;
      upload_subdirectories = realloc(
          upload_subdirectories,
          num_upload_subdirectories * sizeof(upload_subdirectories[0]));
      if (upload_subdirectories == NULL) {
        syslog(LOG_ERR,
               "initialize_upload_subdirectories:realloc: %s",
               strerror(errno));
        return -1;
      }
      upload_subdirectories[num_upload_subdirectories - 1]
          = strdup(entry->d_name);
    }
  }
  (void)closedir(handle);
  return 0;
}
Esempio n. 15
0
File: main.cpp Progetto: avakar/gh
static bool open_wd(gitdb & db, git_wd & wd, string_view path)
{
	std::string apath = absolute_path(clean_path(path));
	path = apath;

	while (!path.empty())
	{
		std::string nonbare_path = join_paths(path, ".git");
		if (file::is_directory(nonbare_path))
		{
			db.open(nonbare_path);
			wd.open(db, path);
			return true;
		}

		path = path_head(path);
	}
	return false;
}
Esempio n. 16
0
void hardcore_mapgen(int (*map)[mapX][mapY], int *endX, int *endY) {
    int x, y;
    
    // reset map
    for (y=0; y<mapY; y++)
        for (x=0; x<mapX; x++)
            (*map)[x][y] = 0;
    
    // generate path starting from every empty block
    for (y = 0; y<mapY/3; y++)
        for (x = 0; x<mapX/3; x++)
            if (is_taken(x, y, map) == 0) // check if block is empty
                mapgen(map,x,y,map, endX, endY); // generate path
    
    // generate final route
    int final_map[mapX][mapY] = {0};
    mapgen(map, 0, 0, &final_map, endX, endY);
    
    // remove walls between paths to merge them
    join_paths(map);
}
Esempio n. 17
0
/**
 * Copy in @guest_path the canonicalization (see `man 3 realpath`) of
 * @user_path regarding to @tracee->root.  The path to canonicalize
 * could be either absolute or relative to @guest_path. When the last
 * component of @user_path is a link, it is dereferenced only if
 * @deref_final is true -- it is useful for syscalls like lstat(2).
 * The parameter @recursion_level should be set to 0 unless you know
 * what you are doing. This function returns -errno if an error
 * occured, otherwise it returns 0.
 */
int canonicalize(Tracee *tracee, const char *user_path, bool deref_final,
		 char guest_path[PATH_MAX], unsigned int recursion_level)
{
	char scratch_path[PATH_MAX];
	Finality finality;
	const char *cursor;
	int status;

	/* Avoid infinite loop on circular links.  */
	if (recursion_level > MAXSYMLINKS)
		return -ELOOP;

	/* Sanity checks.  */
	assert(user_path != NULL);
	assert(guest_path != NULL);
	assert(user_path != guest_path);

	if (strnlen(guest_path, PATH_MAX) >= PATH_MAX)
		return -ENAMETOOLONG;

	if (user_path[0] != '/') {
		/* Ensure 'guest_path' contains an absolute base of
		 * the relative `user_path`.  */
		if (guest_path[0] != '/')
			return -EINVAL;
	}
	else
		strcpy(guest_path, "/");

	/* Canonicalize recursely 'user_path' into 'guest_path'.  */
	cursor = user_path;
	finality = NOT_FINAL;
	while (!IS_FINAL(finality)) {
		Comparison comparison;
		char component[NAME_MAX];
		char host_path[PATH_MAX];

		finality = next_component(component, &cursor);
		status = (int) finality;
		if (status < 0)
			return status;

		if (strcmp(component, ".") == 0) {
			if (IS_FINAL(finality))
				finality = FINAL_DOT;
			continue;
		}

		if (strcmp(component, "..") == 0) {
			pop_component(guest_path);
			if (IS_FINAL(finality))
				finality = FINAL_SLASH;
			continue;
		}

		status = join_paths(2, scratch_path, guest_path, component);
		if (status < 0)
			return status;

		/* Resolve bindings and check that a non-final
		 * component exists and either is a directory or is a
		 * symlink.  For this latter case, we check that the
		 * symlink points to a directory once it is
		 * canonicalized, at the end of this loop.  */
		status = substitute_binding_stat(tracee, finality, recursion_level, scratch_path, host_path);
		if (status < 0)
			return status;

		/* Nothing special to do if it's not a link or if we
		 * explicitly ask to not dereference 'user_path', as
		 * required by syscalls like lstat(2). Obviously, this
		 * later condition does not apply to intermediate path
		 * components.  Errors are explicitly ignored since
		 * they should be handled by the caller. */
		if (status <= 0 || (finality == FINAL_NORMAL && !deref_final)) {
			strcpy(scratch_path, guest_path);
			status = join_paths(2, guest_path, scratch_path, component);
			if (status < 0)
				return status;
			continue;
		}

		/* It's a link, so we have to dereference *and*
		 * canonicalize to ensure we are not going outside the
		 * new root.  */
		comparison = compare_paths("/proc", guest_path);
		switch (comparison) {
		case PATHS_ARE_EQUAL:
		case PATH1_IS_PREFIX:
			/* Some links in "/proc" are generated
			 * dynamically by the kernel.  PRoot has to
			 * emulate some of them.  */
			status = readlink_proc(tracee, scratch_path,
					       guest_path, component, comparison);
			switch (status) {
			case CANONICALIZE:
				/* The symlink is already dereferenced,
				 * now canonicalize it.  */
				goto canon;

			case DONT_CANONICALIZE:
				/* If and only very final, this symlink
				 * shouldn't be dereferenced nor canonicalized.  */
				if (finality == FINAL_NORMAL) {
					strcpy(guest_path, scratch_path);
					return 0;
				}
				break;

			default:
				if (status < 0)
					return status;
			}

		default:
			break;
		}

		status = readlink(host_path, scratch_path, sizeof(scratch_path));
		if (status < 0)
			return status;
		else if (status == sizeof(scratch_path))
			return -ENAMETOOLONG;
		scratch_path[status] = '\0';

		/* Remove the leading "root" part if needed, it's
		 * useful for "/proc/self/cwd/" for instance.  */
		status = detranslate_path(tracee, scratch_path, host_path);
		if (status < 0)
			return status;

	canon:
		/* Canonicalize recursively the referee in case it
		 * is/contains a link, moreover if it is not an
		 * absolute link then it is relative to
		 * 'guest_path'. */
		status = canonicalize(tracee, scratch_path, true, guest_path, recursion_level + 1);
		if (status < 0)
			return status;

		/* Check that a non-final canonicalized/dereferenced
		 * symlink exists and is a directory.  */
		status = substitute_binding_stat(tracee, finality, recursion_level, guest_path, host_path);
		if (status < 0)
			return status;

		/* Here, 'guest_path' shouldn't be a symlink anymore,
		 * unless it is a named file descriptor.  */
		assert(status != 1 || sscanf(guest_path, "/proc/%*d/fd/%d", &status) == 1);
	}

	/* At the exit stage of the first level of recursion,
	 * `guest_path` is fully canonicalized but a terminating '/'
	 * or a terminating '.' may be required to keep the initial
	 * semantic of `user_path`.  */
	if (recursion_level == 0) {
		switch (finality) {
		case FINAL_NORMAL:
			break;

		case FINAL_SLASH:
			strcpy(scratch_path, guest_path);
			status = join_paths(2, guest_path, scratch_path, "");
			if (status < 0)
				return status;
			break;

		case FINAL_DOT:
			strcpy(scratch_path, guest_path);
			status = join_paths(2, guest_path, scratch_path, ".");
			if (status < 0)
				return status;
			break;

		default:
			assert(0);
		}
	}

	return 0;
}
Esempio n. 18
0
File: path.c Progetto: ivoire/PRoot
/**
 * Copy in @result the equivalent of "@tracee->root + canon(@dir_fd +
 * @user_path)".  If @user_path is not absolute then it is relative to
 * the directory referred by the descriptor @dir_fd (AT_FDCWD is for
 * the current working directory).  See the documentation of
 * canonicalize() for the meaning of @deref_final.  This function
 * returns -errno if an error occured, otherwise 0.
 */
int translate_path(Tracee *tracee, char result[PATH_MAX], int dir_fd,
		const char *user_path, bool deref_final)
{
	char guest_path[PATH_MAX];
	int status;

	/* Use "/" as the base if it is an absolute guest path. */
	if (user_path[0] == '/') {
		strcpy(result, "/");
	}
	/* It is relative to a directory referred by a descriptor, see
	 * openat(2) for details. */
	else if (dir_fd != AT_FDCWD) {
		/* /proc/@tracee->pid/fd/@dir_fd -> result.  */
		status = readlink_proc_pid_fd(tracee->pid, dir_fd, result);
		if (status < 0)
			return status;

		/* Named file descriptors may reference special
		 * objects like pipes, sockets, inodes, ...  Such
		 * objects do not belong to the file-system.  */
		if (result[0] != '/')
			return -ENOTDIR;

		/* Remove the leading "root" part of the base
		 * (required!). */
		status = detranslate_path(tracee, result, NULL);
		if (status < 0)
			return status;
	}
	/* It is relative to the current working directory.  */
	else {
		status = getcwd2(tracee, result);
		if (status < 0)
			return status;
	}

	VERBOSE(tracee, 2, "pid %d: translate(\"%s\" + \"%s\")",
		tracee != NULL ? tracee->pid : 0, result, user_path);

	status = notify_extensions(tracee, GUEST_PATH, (intptr_t) result, (intptr_t) user_path);
	if (status < 0)
		return status;
	if (status > 0)
		goto skip;

	/* So far "result" was used as a base path, it's time to join
	 * it to the user path.  */
	assert(result[0] == '/');
	status = join_paths(2, guest_path, result, user_path);
	if (status < 0)
		return status;
	strcpy(result, "/");

	/* Canonicalize regarding the new root. */
	status = canonicalize(tracee, guest_path, deref_final, result, 0);
	if (status < 0)
		return status;

	/* Final binding substitution to convert "result" into a host
	 * path, since canonicalize() works from the guest
	 * point-of-view.  */
	status = substitute_binding(tracee, GUEST, result);
	if (status < 0)
		return status;

skip:
	VERBOSE(tracee, 2, "pid %d:          -> \"%s\"",
		tracee != NULL ? tracee->pid : 0, result);
	return 0;
}
int main(int argc, char** argv) {
  if (argc != 2) {
    strncpy(uploads_url, DEFAULT_UPLOADS_URL, MAX_URL_LENGTH);
  } else {
    strncpy(uploads_url, argv[1], MAX_URL_LENGTH);
  }

  openlog("bismark-data-transmit", LOG_PERROR, LOG_USER);

  if (read_bismark_id()) {
    return 1;
  }

  if (initialize_upload_subdirectories() || initialize_upload_directories()) {
    return 1;
  }

  failure_counters = calloc(num_upload_subdirectories,
                            sizeof(failure_counters[0]));
  if (failure_counters == NULL) {
    syslog(LOG_ERR, "main:calloc: %s", strerror(errno));
    return 1;
  }
  if (write_upload_failures_log()) {
    return 1;
  }

  if (initialize_curl()) {
    return 1;
  }

  /* Initialize inotify */
  int inotify_handle = inotify_init();
  if (inotify_handle < 0) {
    syslog(LOG_ERR, "main:inotify_init: %s", strerror(errno));
    return 1;
  }
  int idx;
  watch_descriptors = calloc(num_upload_subdirectories,
                             sizeof(watch_descriptors[0]));
  if (watch_descriptors == NULL) {
    syslog(LOG_ERR, "main:calloc: %s", strerror(errno));
    return 1;
  }
  for (idx = 0; idx < num_upload_subdirectories; ++idx) {
    watch_descriptors[idx] = inotify_add_watch(inotify_handle,
                                               upload_directories[idx],
                                               IN_MOVED_TO);
    if (watch_descriptors[idx] < 0) {
      syslog(LOG_ERR,
             "main:inotify_add_watch(\"%s\"): %s",
             upload_directories[idx],
             strerror(errno));
      return 1;
    }
    syslog(LOG_INFO, "Watching %s", upload_directories[idx]);
  }

  time_t current_time = time(NULL);
  if (current_time < 0) {
    syslog(LOG_ERR, "main:time: %s", strerror(errno));
    return 1;
  }
  time_t last_retry_time = current_time - RETRY_INTERVAL_SECONDS;

  while (1) {
    current_time = time(NULL);
    if (current_time < 0) {
      syslog(LOG_ERR, "main:time: %s", strerror(errno));
      return 1;
    }

    fd_set select_set;
    FD_ZERO(&select_set);
    FD_SET(inotify_handle, &select_set);
    struct timeval select_timeout;
    select_timeout.tv_sec =
        RETRY_INTERVAL_SECONDS - (current_time - last_retry_time);
    if (select_timeout.tv_sec < 0) {
      select_timeout.tv_sec = 0;
    }
    select_timeout.tv_usec = 0;
    int select_result = select(
        inotify_handle + 1, &select_set, NULL, NULL, &select_timeout);
    if (select_result < 0) {
      syslog(LOG_ERR, "main:select: %s", strerror(errno));
      curl_easy_cleanup(curl_handle);
      return 1;
    } else if (select_result > 0) {
      if (FD_ISSET(inotify_handle, &select_set)) {
        char events_buffer[BUF_LEN];
        int length = read(inotify_handle, events_buffer, BUF_LEN);
        if (length < 0) {
          syslog(LOG_ERR, "main:read: %s", strerror(errno));
          curl_easy_cleanup(curl_handle);
          return 1;
        }
        int offset = 0;
        while (offset < length) {
          struct inotify_event* event \
            = (struct inotify_event*)(events_buffer + offset);
          if (event->len && (event->mask & IN_MOVED_TO)) {
            int idx;
            for (idx = 0; idx < num_upload_subdirectories; ++idx) {
              if (event->wd == watch_descriptors[idx]) {
                char absolute_path[PATH_MAX + 1];
                if (join_paths(
                      upload_directories[idx], event->name, absolute_path)) {
                  break;
                }
                syslog(LOG_INFO, "File move detected: %s", absolute_path);
                if (!curl_send(absolute_path, upload_subdirectories[idx])) {
                  if (unlink(absolute_path)) {
                    syslog(LOG_ERR,
                           "main:unlink(\"%s\"): %s",
                           absolute_path,
                           strerror(errno));
                  }
                }
                break;
              }
            }
          }
          offset += sizeof(*event) + event->len;
        }
      }
    } else if (select_result == 0) {
      current_time = time(NULL);
      if (current_time < 0) {
        syslog(LOG_ERR, "main:time: %s", strerror(errno));
        return 1;
      }
      retry_uploads(current_time);
      last_retry_time = time(NULL);
      if (last_retry_time < 0) {
        syslog(LOG_ERR, "main:time: %s", strerror(errno));
        return 1;
      }
    }
  }
  return 0;
}
static void retry_uploads(time_t current_time) {
  upload_list_t files_to_sort;
  upload_list_init(&files_to_sort);
  int new_upload_failure = 0;

  syslog(LOG_INFO, "Checking for uploads to retry");

  int idx;
  for (idx = 0; idx < num_upload_subdirectories; ++idx) {
    DIR* handle = opendir(upload_directories[idx]);
    if (handle == NULL) {
      syslog(LOG_ERR,
          "retry_uploads:opendir(\"%s\"): %s",
          upload_directories[idx],
          strerror(errno));
      continue;
    }
    struct dirent* entry;
    while ((entry = readdir(handle))) {
      char absolute_path[PATH_MAX + 1];
      if (join_paths(upload_directories[idx], entry->d_name, absolute_path)) {
        continue;
      }
      struct stat file_info;
      if (stat(absolute_path, &file_info)) {
        syslog(LOG_ERR,
            "retry_uploads:stat(\"%s\"): %s",
            absolute_path,
            strerror(errno));
        continue;
      }
      if (S_ISREG(file_info.st_mode) || S_ISLNK(file_info.st_mode)) {
        if (current_time - file_info.st_ctime > RETRY_INTERVAL_SECONDS) {
          syslog(LOG_INFO, "Retrying file: %s", absolute_path);
          if (curl_send(absolute_path, upload_subdirectories[idx]) == 0) {
            if (unlink(absolute_path)) {
              syslog(LOG_ERR,
                  "retry_uploads:unlink(\"%s\"): %s",
                  absolute_path,
                  strerror(errno));
            } else {
              continue;
            }
          }
        }

        upload_list_append(&files_to_sort,
            absolute_path,
            file_info.st_ctime,
            file_info.st_blocks,
            idx);
      }
    }
    if (closedir(handle)) {
      syslog(LOG_ERR, "retry_uploads:closedir: %s", strerror(errno));
    }
  }

  if (files_to_sort.entries != NULL) {
    upload_list_sort(&files_to_sort);
    int total_blocks = 0;
    for (idx = 0; idx < files_to_sort.length; ++idx) {
      upload_entry_t* entry = &files_to_sort.entries[idx];
      if (total_blocks + entry->size > MAX_UPLOADS_BLOCKS) {
        syslog(LOG_INFO,
               "Removing old upload: %s",
               files_to_sort.entries[idx].filename);
        if (unlink(files_to_sort.entries[idx].filename)) {
          syslog(LOG_ERR,
                 "retry_uploads:unlink(\"%s\"): %s",
                 files_to_sort.entries[idx].filename,
                 strerror(errno));
        } else {
          log_upload_failure(files_to_sort.entries[idx].index);
          new_upload_failure = 1;
        }
      } else {
        total_blocks += entry->size;
      }
    }
  }
  upload_list_destroy(&files_to_sort);

  if (new_upload_failure) {
    (void)write_upload_failures_log();
  }
}
Esempio n. 21
0
/* A generic subtree traversing.  Returns zero on success, otherwise non-zero is
 * returned. */
static int
traverse_subtree(const char path[], subtree_visitor visitor, void *param)
{
	DIR *dir;
	struct dirent *d;
	int result;
	VisitResult enter_result;

	dir = os_opendir(path);
	if(dir == NULL)
	{
		return 1;
	}

	enter_result = visitor(path, VA_DIR_ENTER, param);
	if(enter_result == VR_ERROR)
	{
		(void)os_closedir(dir);
		return 1;
	}

	result = 0;
	while((d = os_readdir(dir)) != NULL)
	{
		char *full_path;

		if(is_builtin_dir(d->d_name))
		{
			continue;
		}

		full_path = join_paths(path, d->d_name);
		if(entry_is_link(full_path, d))
		{
			/* Treat symbolic links to directories as files as well. */
			result = visitor(full_path, VA_FILE, param);
		}
		else if(entry_is_dir(full_path, d))
		{
			result = traverse_subtree(full_path, visitor, param);
		}
		else
		{
			result = visitor(full_path, VA_FILE, param);
		}
		free(full_path);

		if(result != 0)
		{
			break;
		}
	}
	(void)os_closedir(dir);

	if(result == 0 && enter_result != VR_SKIP_DIR_LEAVE &&
			enter_result != VR_CANCELLED)
	{
		result = visitor(path, VA_DIR_LEAVE, param);
	}

	return result;
}
Esempio n. 22
0
int main(int argc, char* argv[])
{
	char* collection = NULL;
	char* platform = NULL;
	char* prefix = NULL;
	char* generation_string = strdup(DEFAULT_GENERATION);

	const char* argv0 = argv[0];
	for ( int i = 0; i < argc; i++ )
	{
		const char* arg = argv[i];
		if ( arg[0] != '-' || !arg[1] )
			continue;
		argv[i] = NULL;
		if ( !strcmp(arg, "--") )
			break;
		if ( arg[1] != '-' )
		{
			char c;
			while ( (c = *++arg) ) switch ( c )
			{
			default:
				fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, c);
				help(stderr, argv0);
				exit(1);
			}
		}
		else if ( !strcmp(arg, "--help") )
			help(stdout, argv0), exit(0);
		else if ( !strcmp(arg, "--version") )
			version(stdout, argv0), exit(0);
		else if ( GET_OPTION_VARIABLE("--collection", &collection) ) { }
		else if ( GET_OPTION_VARIABLE("--platform", &platform) ) { }
		else if ( GET_OPTION_VARIABLE("--prefix", &prefix) ) { }
		else if ( GET_OPTION_VARIABLE("--generation", &generation_string) ) { }
		else if ( !strcmp(arg, "--disable-multiarch") )
		{
			// TODO: After releasing Sortix 1.1, delete this compatibility that
			//       lets Sortix 1.0 build. This option used to disable
			//       compatibility with Sortix 0.9.
		}
		else
		{
			fprintf(stderr, "%s: unknown option: %s\n", argv0, arg);
			help(stderr, argv0);
			exit(1);
		}
	}

	if ( argc == 1 )
	{
		help(stdout, argv0);
		exit(0);
	}

	compact_arguments(&argc, &argv);

	ParseOptionalCommandLineCollectionPrefix(&collection, &argc, &argv);
	VerifyCommandLineCollection(&collection);

	int generation = atoi(generation_string);
	free(generation_string);

	if ( !prefix )
		prefix = strdup(collection);

	if ( argc == 1 )
	{
		error(0, 0, "error: no command specified.");
		exit(1);
	}

	const char* cmd = argv[1];
	if ( !strcmp(cmd, "create") )
	{
		if ( !platform && !(platform = GetBuildTriplet()) )
			error(1, errno, "unable to determine platform, use --platform");

		char* tix_path = join_paths(collection, "tix");
		if ( mkdir_p(tix_path, 0755) != 0 )
			error(1, errno, "mkdir: `%s'", tix_path);

		char* tixdb_path = strdup(tix_path);

		char* tixinfo_path = join_paths(tixdb_path, "tixinfo");
		if ( mkdir_p(tixinfo_path, 0755) != 0 )
			error(1, errno, "mkdir: `%s'", tixinfo_path);
		free(tixinfo_path);

		char* manifest_path = join_paths(tixdb_path, "manifest");
		if ( mkdir_p(manifest_path, 0755) != 0 )
			error(1, errno, "mkdir: `%s'", manifest_path);
		free(manifest_path);

		char* collection_conf_path = join_paths(tixdb_path, "collection.conf");
		FILE* conf_fp = fopen(collection_conf_path, "wx");
		if ( !conf_fp && errno == EEXIST )
			error(1, 0, "error: `%s' already exists, a tix collection is "
			            "already installed at `%s'.", collection_conf_path,
		                collection);
		fprintf(conf_fp, "tix.version=1\n");
		fprintf(conf_fp, "tix.class=collection\n");
		fprintf(conf_fp, "collection.generation=%i\n", generation);
		fprintf(conf_fp, "collection.prefix=%s\n", !strcmp(prefix, "/") ? "" :
		                                           prefix);
		fprintf(conf_fp, "collection.platform=%s\n", platform);
		fclose(conf_fp);
		free(collection_conf_path);

		const char* repo_list_path = join_paths(tixdb_path, "repository.list");
		FILE* repo_list_fp = fopen(repo_list_path, "w");
		if ( !repo_list_fp )
			error(1, errno, "`%s'", repo_list_path);
		fclose(repo_list_fp);

		const char* inst_list_path = join_paths(tixdb_path, "installed.list");
		FILE* inst_list_fp = fopen(inst_list_path, "w");
		if ( !inst_list_fp )
			error(1, errno, "`%s'", inst_list_path);
		fclose(inst_list_fp);

		return 0;
	}
	else
	{
		fprintf(stderr, "%s: unknown command: `%s'\n", argv0, cmd);
		exit(1);
	}

	return 0;
}
Esempio n. 23
0
void execdiff(int tree_a, const char* tree_a_path,
              int tree_b, const char* tree_b_path,
              const char* relpath)
{
	DIR* dir_b = fdopendupdir(tree_b);
	if ( !dir_b )
		error(1, errno, "fdopendupdir(`%s`)", tree_b_path);
	struct dirent* entry;
	while ( (entry = readdir(dir_b)) )
	{
		if ( !strcmp(entry->d_name, ".") || !strcmp(entry->d_name, "..") )
			continue;

		char* subrelpath = join_paths(relpath, entry->d_name);

		int diropenflags = O_RDONLY | O_DIRECTORY | O_NOFOLLOW;
		int subtree_b = openat(tree_b, entry->d_name, diropenflags);
		if ( 0 <= subtree_b )
		{
			char* subtree_b_path = join_paths(tree_b_path, entry->d_name);
			int subtree_a = openat(tree_a, entry->d_name, diropenflags);
			if ( subtree_a < 0 )
			{
				if ( !(errno == ENOTDIR || errno == ELOOP || errno == ENOENT) )
					error(1, errno, "`%s/%s`", tree_b_path, entry->d_name);
				execdiff(-1, NULL, subtree_b, subtree_b_path, subrelpath);
				free(subtree_b_path);
				close(subtree_b);
				free(subrelpath);
				continue;
			}
			char* subtree_a_path = join_paths(tree_a_path, entry->d_name);
			execdiff(subtree_a, subtree_a_path, subtree_b, subtree_b_path,
			         subrelpath);
			free(subtree_a_path);
			close(subtree_a);
			free(subtree_b_path);
			close(subtree_b);
			free(subrelpath);
			continue;
		}
		else if ( !(errno == ENOTDIR || errno == ELOOP) )
			error(1, errno, "`%s/%s`", tree_b_path, entry->d_name);

		int a_executableness = ftestexecutableat(tree_a, entry->d_name);
		int b_executableness = ftestexecutableat(tree_b, entry->d_name);

		if ( (a_executableness == 1) && (b_executableness == 0) )
		{
			printf("chmod -x -- '");
			for ( size_t i = 0; subrelpath[i]; i++ )
				if ( subrelpath[i] == '\'' )
					printf("'\\''");
				else
					putchar(subrelpath[i]);
			printf("'\n");
		}

		if ( (a_executableness != 1) && (b_executableness == 1) )
		{
			printf("chmod +x -- '");
			for ( size_t i = 0; subrelpath[i]; i++ )
				if ( subrelpath[i] == '\'' )
					printf("'\\''");
				else
					putchar(subrelpath[i]);
			printf("'\n");
		}

		free(subrelpath);
		continue;
	}
	closedir(dir_b);
}
Esempio n. 24
0
/**
 * Translate the input arguments of the current @tracee's syscall in the
 * @tracee->pid process area. This function sets @tracee->status to
 * -errno if an error occured from the tracee's point-of-view (EFAULT
 * for instance), otherwise 0.
 */
int translate_syscall_enter(Tracee *tracee)
{
	int flags;
	int dirfd;
	int olddirfd;
	int newdirfd;

	int status;
	int status2;

	char path[PATH_MAX];
	char oldpath[PATH_MAX];
	char newpath[PATH_MAX];

	word_t syscall_number;
	bool special = false;

	status = notify_extensions(tracee, SYSCALL_ENTER_START, 0, 0);
	if (status < 0)
		goto end;
	if (status > 0)
		return 0;

	/* Translate input arguments. */
	syscall_number = get_sysnum(tracee, ORIGINAL);
	switch (syscall_number) {
	default:
		/* Nothing to do. */
		status = 0;
		break;

	case PR_execve:
		status = translate_execve_enter(tracee);
		break;

	case PR_ptrace:
		status = translate_ptrace_enter(tracee);
		break;

	case PR_wait4:
	case PR_waitpid:
		status = translate_wait_enter(tracee);
		break;

	case PR_brk:
		translate_brk_enter(tracee);
		status = 0;
		break;

	case PR_getcwd:
		set_sysnum(tracee, PR_void);
		status = 0;
		break;

	case PR_fchdir:
	case PR_chdir: {
		struct stat statl;
		char *tmp;

		/* The ending "." ensures an error will be reported if
		 * path does not exist or if it is not a directory.  */
		if (syscall_number == PR_chdir) {
			status = get_sysarg_path(tracee, path, SYSARG_1);
			if (status < 0)
				break;

			status = join_paths(2, oldpath, path, ".");
			if (status < 0)
				break;

			dirfd = AT_FDCWD;
		}
		else {
			strcpy(oldpath, ".");
			dirfd = peek_reg(tracee, CURRENT, SYSARG_1);
		}

		status = translate_path(tracee, path, dirfd, oldpath, true);
		if (status < 0)
			break;

		status = lstat(path, &statl);
		if (status < 0)
			break;

		/* Check this directory is accessible.  */
		if ((statl.st_mode & S_IXUSR) == 0)
			return -EACCES;

		/* Sadly this method doesn't detranslate statefully,
		 * this means that there's an ambiguity when several
		 * bindings are from the same host path:
		 *
		 *    $ proot -m /tmp:/a -m /tmp:/b fchdir_getcwd /a
		 *    /b
		 *
		 *    $ proot -m /tmp:/b -m /tmp:/a fchdir_getcwd /a
		 *    /a
		 *
		 * A solution would be to follow each file descriptor
		 * just like it is done for cwd.
		 */

		status = detranslate_path(tracee, path, NULL);
		if (status < 0)
			break;

		/* Remove the trailing "/" or "/.".  */
		chop_finality(path);

		tmp = talloc_strdup(tracee->fs, path);
		if (tmp == NULL) {
			status = -ENOMEM;
			break;
		}
		TALLOC_FREE(tracee->fs->cwd);

		tracee->fs->cwd = tmp;
		talloc_set_name_const(tracee->fs->cwd, "$cwd");

		set_sysnum(tracee, PR_void);
		status = 0;
		break;
	}

	case PR_bind:
	case PR_connect: {
		word_t address;
		word_t size;

		address = peek_reg(tracee, CURRENT, SYSARG_2);
		size    = peek_reg(tracee, CURRENT, SYSARG_3);

		status = translate_socketcall_enter(tracee, &address, size);
		if (status <= 0)
			break;

		poke_reg(tracee, SYSARG_2, address);
		poke_reg(tracee, SYSARG_3, sizeof(struct sockaddr_un));

		status = 0;
		break;
	}

#define SYSARG_ADDR(n) (args_addr + ((n) - 1) * sizeof_word(tracee))

#define PEEK_WORD(addr, forced_errno)		\
	peek_word(tracee, addr);		\
	if (errno != 0) {			\
		status = forced_errno ?: -errno; \
		break;				\
	}

#define POKE_WORD(addr, value)			\
	poke_word(tracee, addr, value);		\
	if (errno != 0) {			\
		status = -errno;		\
		break;				\
	}

	case PR_accept:
	case PR_accept4:
		/* Nothing special to do if no sockaddr was specified.  */
		if (peek_reg(tracee, ORIGINAL, SYSARG_2) == 0) {
			status = 0;
			break;
		}
		special = true;
		/* Fall through.  */
	case PR_getsockname:
	case PR_getpeername:{
		int size;

		/* Remember: PEEK_WORD puts -errno in status and breaks if an
		 * error occured.  */
		size = (int) PEEK_WORD(peek_reg(tracee, ORIGINAL, SYSARG_3), special ? -EINVAL : 0);

		/* The "size" argument is both used as an input parameter
		 * (max. size) and as an output parameter (actual size).  The
		 * exit stage needs to know the max. size to not overwrite
		 * anything, that's why it is copied in the 6th argument
		 * (unused) before the kernel updates it.  */
		poke_reg(tracee, SYSARG_6, size);

		status = 0;
		break;
	}

	case PR_socketcall: {
		word_t args_addr;
		word_t sock_addr_saved;
		word_t sock_addr;
		word_t size_addr;
		word_t size;

		args_addr = peek_reg(tracee, CURRENT, SYSARG_2);

		switch (peek_reg(tracee, CURRENT, SYSARG_1)) {
		case SYS_BIND:
		case SYS_CONNECT:
			/* Handle these cases below.  */
			status = 1;
			break;

		case SYS_ACCEPT:
		case SYS_ACCEPT4:
			/* Nothing special to do if no sockaddr was specified.  */
			sock_addr = PEEK_WORD(SYSARG_ADDR(2), 0);
			if (sock_addr == 0) {
				status = 0;
				break;
			}
			special = true;
			/* Fall through.  */
		case SYS_GETSOCKNAME:
		case SYS_GETPEERNAME:
			/* Remember: PEEK_WORD puts -errno in status and breaks
			 * if an error occured.  */
			size_addr =  PEEK_WORD(SYSARG_ADDR(3), 0);
			size = (int) PEEK_WORD(size_addr, special ? -EINVAL : 0);

			/* See case PR_accept for explanation.  */
			poke_reg(tracee, SYSARG_6, size);
			status = 0;
			break;

		default:
			status = 0;
			break;
		}

		/* An error occured or there's nothing else to do.  */
		if (status <= 0)
			break;

		/* Remember: PEEK_WORD puts -errno in status and breaks if an
		 * error occured.  */
		sock_addr = PEEK_WORD(SYSARG_ADDR(2), 0);
		size      = PEEK_WORD(SYSARG_ADDR(3), 0);

		sock_addr_saved = sock_addr;
		status = translate_socketcall_enter(tracee, &sock_addr, size);
		if (status <= 0)
			break;

		/* These parameters are used/restored at the exit stage.  */
		poke_reg(tracee, SYSARG_5, sock_addr_saved);
		poke_reg(tracee, SYSARG_6, size);

		/* Remember: POKE_WORD puts -errno in status and breaks if an
		 * error occured.  */
		POKE_WORD(SYSARG_ADDR(2), sock_addr);
		POKE_WORD(SYSARG_ADDR(3), sizeof(struct sockaddr_un));

		status = 0;
		break;
	}

#undef SYSARG_ADDR
#undef PEEK_WORD
#undef POKE_WORD

	case PR_access:
	case PR_acct:
	case PR_chmod:
	case PR_chown:
	case PR_chown32:
	case PR_chroot:
	case PR_getxattr:
	case PR_listxattr:
	case PR_mknod:
	case PR_oldstat:
	case PR_creat:
	case PR_removexattr:
	case PR_setxattr:
	case PR_stat:
	case PR_stat64:
	case PR_statfs:
	case PR_statfs64:
	case PR_swapoff:
	case PR_swapon:
	case PR_truncate:
	case PR_truncate64:
	case PR_umount:
	case PR_umount2:
	case PR_uselib:
	case PR_utime:
	case PR_utimes:
		status = translate_sysarg(tracee, SYSARG_1, REGULAR);
		break;

	case PR_open:
		flags = peek_reg(tracee, CURRENT, SYSARG_2);

		if (   ((flags & O_NOFOLLOW) != 0)
		    || ((flags & O_EXCL) != 0 && (flags & O_CREAT) != 0))
			status = translate_sysarg(tracee, SYSARG_1, SYMLINK);
		else
			status = translate_sysarg(tracee, SYSARG_1, REGULAR);
		break;

	case PR_fchownat:
	case PR_fstatat64:
	case PR_newfstatat:
	case PR_utimensat:
	case PR_name_to_handle_at:
		dirfd = peek_reg(tracee, CURRENT, SYSARG_1);

		status = get_sysarg_path(tracee, path, SYSARG_2);
		if (status < 0)
			break;

		flags = (  syscall_number == PR_fchownat
			|| syscall_number == PR_name_to_handle_at)
			? peek_reg(tracee, CURRENT, SYSARG_5)
			: peek_reg(tracee, CURRENT, SYSARG_4);

		if ((flags & AT_SYMLINK_NOFOLLOW) != 0)
			status = translate_path2(tracee, dirfd, path, SYSARG_2, SYMLINK);
		else
			status = translate_path2(tracee, dirfd, path, SYSARG_2, REGULAR);
		break;

	case PR_fchmodat:
	case PR_faccessat:
	case PR_futimesat:
	case PR_mknodat:
		dirfd = peek_reg(tracee, CURRENT, SYSARG_1);

		status = get_sysarg_path(tracee, path, SYSARG_2);
		if (status < 0)
			break;

		status = translate_path2(tracee, dirfd, path, SYSARG_2, REGULAR);
		break;

	case PR_inotify_add_watch:
		flags = peek_reg(tracee, CURRENT, SYSARG_3);

		if ((flags & IN_DONT_FOLLOW) != 0)
			status = translate_sysarg(tracee, SYSARG_2, SYMLINK);
		else
			status = translate_sysarg(tracee, SYSARG_2, REGULAR);
		break;

	case PR_readlink:
	case PR_lchown:
	case PR_lchown32:
	case PR_lgetxattr:
	case PR_llistxattr:
	case PR_lremovexattr:
	case PR_lsetxattr:
	case PR_lstat:
	case PR_lstat64:
	case PR_oldlstat:
	case PR_unlink:
	case PR_rmdir:
	case PR_mkdir:
		status = translate_sysarg(tracee, SYSARG_1, SYMLINK);
		break;

	case PR_pivot_root:
		status = translate_sysarg(tracee, SYSARG_1, REGULAR);
		if (status < 0)
			break;

		status = translate_sysarg(tracee, SYSARG_2, REGULAR);
		break;

	case PR_linkat:
		olddirfd = peek_reg(tracee, CURRENT, SYSARG_1);
		newdirfd = peek_reg(tracee, CURRENT, SYSARG_3);
		flags    = peek_reg(tracee, CURRENT, SYSARG_5);

		status = get_sysarg_path(tracee, oldpath, SYSARG_2);
		if (status < 0)
			break;

		status = get_sysarg_path(tracee, newpath, SYSARG_4);
		if (status < 0)
			break;

		if ((flags & AT_SYMLINK_FOLLOW) != 0)
			status = translate_path2(tracee, olddirfd, oldpath, SYSARG_2, REGULAR);
		else
			status = translate_path2(tracee, olddirfd, oldpath, SYSARG_2, SYMLINK);
		if (status < 0)
			break;

		status = translate_path2(tracee, newdirfd, newpath, SYSARG_4, SYMLINK);
		break;

	case PR_mount:
		status = get_sysarg_path(tracee, path, SYSARG_1);
		if (status < 0)
			break;

		/* The following check covers only 90% of the cases. */
		if (path[0] == '/' || path[0] == '.') {
			status = translate_path2(tracee, AT_FDCWD, path, SYSARG_1, REGULAR);
			if (status < 0)
				break;
		}

		status = translate_sysarg(tracee, SYSARG_2, REGULAR);
		break;

	case PR_openat:
		dirfd = peek_reg(tracee, CURRENT, SYSARG_1);
		flags = peek_reg(tracee, CURRENT, SYSARG_3);

		status = get_sysarg_path(tracee, path, SYSARG_2);
		if (status < 0)
			break;

		if (   ((flags & O_NOFOLLOW) != 0)
			|| ((flags & O_EXCL) != 0 && (flags & O_CREAT) != 0))
			status = translate_path2(tracee, dirfd, path, SYSARG_2, SYMLINK);
		else
			status = translate_path2(tracee, dirfd, path, SYSARG_2, REGULAR);
		break;

	case PR_readlinkat:
	case PR_unlinkat:
	case PR_mkdirat:
		dirfd = peek_reg(tracee, CURRENT, SYSARG_1);

		status = get_sysarg_path(tracee, path, SYSARG_2);
		if (status < 0)
			break;

		status = translate_path2(tracee, dirfd, path, SYSARG_2, SYMLINK);
		break;

	case PR_link:
	case PR_rename:
		status = translate_sysarg(tracee, SYSARG_1, SYMLINK);
		if (status < 0)
			break;

		status = translate_sysarg(tracee, SYSARG_2, SYMLINK);
		break;

	case PR_renameat:
		olddirfd = peek_reg(tracee, CURRENT, SYSARG_1);
		newdirfd = peek_reg(tracee, CURRENT, SYSARG_3);

		status = get_sysarg_path(tracee, oldpath, SYSARG_2);
		if (status < 0)
			break;

		status = get_sysarg_path(tracee, newpath, SYSARG_4);
		if (status < 0)
			break;

		status = translate_path2(tracee, olddirfd, oldpath, SYSARG_2, SYMLINK);
		if (status < 0)
			break;

		status = translate_path2(tracee, newdirfd, newpath, SYSARG_4, SYMLINK);
		break;

	case PR_symlink:
		status = translate_sysarg(tracee, SYSARG_2, SYMLINK);
		break;

	case PR_symlinkat:
		newdirfd = peek_reg(tracee, CURRENT, SYSARG_2);

		status = get_sysarg_path(tracee, newpath, SYSARG_3);
		if (status < 0)
			break;

		status = translate_path2(tracee, newdirfd, newpath, SYSARG_3, SYMLINK);
		break;
	}

end:
	status2 = notify_extensions(tracee, SYSCALL_ENTER_END, status, 0);
	if (status2 < 0)
		status = status2;

	return status;
}
Esempio n. 25
0
static int init_chain(const char* target)
{
	init_early();
	prepare_block_devices();
	load_fstab();
	if ( atexit(init_chain_atexit) != 0 )
		fatal("atexit: %m");
	if ( !mkdtemp(chain_location) )
		fatal("mkdtemp: /tmp/fs.XXXXXX: %m");
	chain_location_made = true;
	bool found_root = false;
	for ( size_t i = 0; i < mountpoints_used; i++ )
	{
		struct mountpoint* mountpoint = &mountpoints[i];
		if ( !strcmp(mountpoint->entry.fs_file, "/") )
			found_root = true;
		char* absolute = join_paths(chain_location, mountpoint->absolute);
		free(mountpoint->absolute);
		mountpoint->absolute = absolute;
	}
	if ( !found_root )
		fatal("/etc/fstab: Root filesystem not found in filesystem table");
	if ( atexit(mountpoints_unmount) != 0 )
		fatal("atexit: %m");
	mountpoints_mount(true);
	snprintf(chain_location_dev, sizeof(chain_location_dev), "%s/dev",
	         chain_location);
	if ( mkdir(chain_location_dev, 755) < 0 && errno != EEXIST )
		fatal("mkdir: %s: %m", chain_location_dev);
	int old_dev_fd = open("/dev", O_DIRECTORY | O_RDONLY);
	if ( old_dev_fd < 0 )
		fatal("%s: %m", "/dev");
	int new_dev_fd = open(chain_location_dev, O_DIRECTORY | O_RDONLY);
	if ( new_dev_fd < 0 )
		fatal("%s: %m", chain_location_dev);
	if ( fsm_fsbind(old_dev_fd, new_dev_fd, 0) < 0 )
		fatal("mount: `%s' onto `%s': %m", "/dev", chain_location_dev);
	close(new_dev_fd);
	close(old_dev_fd);
	int result;
	while ( true )
	{
		pid_t child_pid = fork();
		if ( child_pid < 0 )
			fatal("fork: %m");
		if ( !child_pid )
		{
			if ( chroot(chain_location) < 0 )
				fatal("chroot: %s: %m", chain_location);
			if ( chdir("/") < 0 )
				fatal("chdir: %s: %m", chain_location);
			if ( !strcmp(target, "chain-merge") )
			{
				const char* argv[] = { "sysmerge", "--booting", NULL };
				execv("/sysmerge/sbin/sysmerge", (char* const*) argv);
				fatal("Failed to run automatic update: %s: %m", argv[0]);
			}
			else
			{
				unsetenv("INIT_PID");
				const char* argv[] = { "init", NULL };
				execv("/sbin/init", (char* const*) argv);
				fatal("Failed to load chain init: %s: %m", argv[0]);
			}
		}
		int status;
		if ( waitpid(child_pid, &status, 0) < 0 )
			fatal("waitpid");
		const char* back = ": Trying to bring it back up again";
		if ( !strcmp(target, "chain-merge") )
		{
			if ( WIFEXITED(status) && WEXITSTATUS(status) == 0 )
			{
				target = "chain";
				continue;
			}
			if ( WIFEXITED(status) )
				fatal("Automatic upgrade failed: Exit status %i",
				      WEXITSTATUS(status));
			else if ( WIFSIGNALED(status) )
				fatal("Automatic upgrade failed: %s",
				      strsignal(WTERMSIG(status)));
			else
				fatal("Automatic upgrade failed: Unexpected unusual termination");
		}
		if ( WIFEXITED(status) )
		{
			result = WEXITSTATUS(status);
			break;
		}
		else if ( WIFSIGNALED(status) )
			note("chain init: %s%s", strsignal(WTERMSIG(status)), back);
		else
			note("chain init: Unexpected unusual termination%s", back);
	}
	mountpoints_unmount();
	init_chain_atexit();
	return result;
}
Esempio n. 26
0
 // create an absolute path by resolving relative paths with cwd
 std::string rel2abs(const std::string& path, const std::string& base, const std::string& cwd)
 {
   return make_canonical_path(join_paths(join_paths(cwd, base), path));
 }
Esempio n. 27
0
int main(int argc, char **argv)
{
	int RC;
	pthread_attr_t attr;
	default_pthead_attr(&attr);
	pthread_mutex_init(&keep_alive_mutex, NULL);
	/* Lock the keep-alive mutex */
	pthread_mutex_lock(&keep_alive_mutex);

	/* Allocate a new parallel_wrapper structure */
	parallel_wrapper *par_wrapper = (parallel_wrapper *)calloc(1, sizeof(struct parallel_wrapper));
	if (par_wrapper == (parallel_wrapper *)NULL)
	{
		print(PRNT_ERR, "Unable to allocate space for parallel wrapper\n");
		return 1;
	}
	/* Install command signal handlers */
	signal(SIGINT, handle_exit_signal);
	signal(SIGTERM, handle_exit_signal);
	signal(SIGHUP, handle_exit_signal);

	/* Create structures for this machine */
	par_wrapper -> this_machine = calloc(1, sizeof(struct machine));
	if (par_wrapper -> this_machine == (machine *)NULL)
	{
		print(PRNT_ERR, "Unable to allocate space for this machine\n");
		return 1;
	}

	/* Fill in the default values for port ranges */
	par_wrapper -> low_port = LOW_PORT;
	par_wrapper -> high_port = HIGH_PORT;
	/* Fill in other default values */
	par_wrapper -> this_machine -> rank = -1;
	par_wrapper -> num_procs = -1; 
	par_wrapper -> command_socket = -1;
	par_wrapper -> pgid = -1;
	par_wrapper -> ka_interval = KA_INTERVAL;
	par_wrapper -> timeout = TIMEOUT;
	/* Default mutex state */
	pthread_mutex_init(&par_wrapper -> mutex, NULL);
	/* Allocate a list of symlinks */
	par_wrapper -> symlinks = sll_get_list();
	/* Get the initial working directory */
	par_wrapper -> this_machine -> iwd = getcwd(NULL, 0); /* Allocates space */
	/* Determine our name */
	uid_t uid = getuid();
	struct passwd *user_stats = getpwuid(uid);
	if (user_stats == (struct passwd *)NULL)
	{
		print(PRNT_WARN, "Unable to determine the name of the current user - assuming 'nobody'\n");
		par_wrapper -> this_machine -> user = strdup("nobody");
	}
	else
	{
		par_wrapper -> this_machine -> user = strdup(user_stats -> pw_name);	

	}

	/* Parse environment variables and command line arguments */
	parse_environment_vars(par_wrapper);
	parse_args(argc, argv, par_wrapper);

	/* Set the environment variables */
	set_environment_vars(par_wrapper);

	/* Check that required values are filled in */
	if (par_wrapper -> this_machine -> rank < 0)
	{
		print(PRNT_ERR, "Invalid rank (%d). Environment variable or command option not set.\n", 
			par_wrapper -> this_machine -> rank);
		return 2;
	}
	if (par_wrapper -> num_procs < 0)
	{
		print(PRNT_ERR, "Invalid number of processors (%d). Environment variable or command option not set.\n",
			par_wrapper -> num_procs);
		return 2;
	}
	if (par_wrapper -> timeout <= (2*par_wrapper -> ka_interval))
	{
		print(PRNT_WARN, "Keep-alive interval and timeout too close. Using default values.\n");
		par_wrapper -> timeout = TIMEOUT;
		par_wrapper -> ka_interval = KA_INTERVAL;
	}

	/* Get the IP address for this machine */
	par_wrapper -> this_machine -> ip_addr = get_ip_addr();
	debug(PRNT_INFO, "IP Addr: %s\n", par_wrapper -> this_machine -> ip_addr);
	if (par_wrapper -> this_machine -> ip_addr == (char *)NULL)
	{
		print(PRNT_ERR, "Unable to get the IP address for this machine\n");
		return 2;
	}
	
	/* Get a command port for this machine */
	RC = get_bound_dgram_socket_by_range(par_wrapper -> low_port, 
		par_wrapper -> high_port, &par_wrapper -> this_machine -> port, 
		&par_wrapper -> command_socket);		
	if (RC != 0)
	{
		print(PRNT_ERR, "Unable to bind to command socket\n");
		return 2;
	}
	else
	{
		debug(PRNT_INFO, "Bound to command port: %d\n", par_wrapper -> this_machine -> port);
	}

	/** 
	 * If this is rank 0, point rank 0 to this_machine, otherwise allocate
	 * a new structure for the master
	 */
	if (par_wrapper -> this_machine -> rank == MASTER)
	{
		par_wrapper -> master = par_wrapper -> this_machine;
		par_wrapper -> machines = (machine **) calloc(par_wrapper -> num_procs, sizeof(machine *));
		if (par_wrapper -> machines == (machine **)NULL)
		{
			print(PRNT_ERR, "Unable to allocate space for machines array\n");
			return 3;
		}
		par_wrapper -> machines[0] = par_wrapper -> master;
	}
	else
	{
		par_wrapper -> master = (machine *)calloc(1, sizeof(struct machine));
		if (par_wrapper -> master == (machine *)NULL)
		{
			print(PRNT_ERR, "Unable to allocate space for master\n");
			return 2;
		}
		par_wrapper -> master -> rank = MASTER;
	}
	
	/* Create the scratch directory */
	create_scratch(par_wrapper);

	/* Gather the necessary chirp information */
	RC = chirp_info(par_wrapper);
	if (RC != 0)
	{
		print(PRNT_ERR, "Failure sending/recieving chirp information\n");
		return 2;
	}

	/* Create the listener */
	pthread_create(&par_wrapper -> listener, &attr, &udp_server, (void *)par_wrapper);

	/* If I am the MASTER, wait for all ranks to register */
	if (par_wrapper -> this_machine -> rank == MASTER)
	{
		int i, j;
		j = 0; /* Timeout = 0 */
		while ( 1 )
		{
			int finished = 1;
			for (i = 0; i < par_wrapper -> num_procs; i++)
			{
				if (par_wrapper -> machines[i] == NULL)
				{
					finished = 0;
				}
				
				if ((j % par_wrapper -> ka_interval) == 0 && par_wrapper -> machines[i] == NULL)
				{
					debug(PRNT_INFO, "Waiting for registration from rank %d\n", i);
				}
			}
			j++; /* Waiting for timeout */
			if (j >= par_wrapper -> timeout)
			{
				finished = 1;
				for (i = 0; i < par_wrapper -> num_procs; i++)
				{
					if (par_wrapper -> machines[i] == NULL)
					{
						print(PRNT_WARN, "Rank %d not registered - giving up on it\n", i);
					}
				}
			}	
			if (finished == 1)
			{
				break;
			}
			sleep(1);
		}
		debug(PRNT_INFO, "Finished machine registration.\n", par_wrapper -> num_procs);
		/* Create the machines file */
		RC = create_machine_file(par_wrapper);
		if (RC != 0)
		{
			print(PRNT_ERR, "Unable to create the machines files");
			cleanup(par_wrapper, 5);
		}
		RC = create_ssh_config(par_wrapper);
		if (RC != 0)
		{
			print(PRNT_ERR, "Unable to create the machines files");
			cleanup(par_wrapper, 5);
		}
	}
	else /* Register with the master */
	{
		struct timeval old_time = par_wrapper -> master -> last_alive;
		while ( 1 )
		{
			RC = register_cmd(par_wrapper -> command_socket, par_wrapper -> this_machine -> rank,
				par_wrapper -> this_machine -> cpus,
				par_wrapper -> this_machine -> iwd, par_wrapper -> this_machine -> user, par_wrapper -> master -> ip_addr, 
				par_wrapper -> master -> port);		
			sleep(1);
			if (RC == 0 && 
			   ((old_time.tv_sec != par_wrapper -> master -> last_alive.tv_sec) || 
			   (old_time.tv_usec != par_wrapper -> master -> last_alive.tv_usec)))
			{
				break;
			}
			debug(PRNT_INFO, "Waiting for ACK from mater\n"); 
			/* Retrieve chirp information (in case it changed since the last time) */
			chirp_info(par_wrapper);
		}
	}

	/* MASTER - Identify unique hosts */
	if (par_wrapper -> this_machine -> rank == MASTER)
	{
		int i, j;
		for (i = 0; i < par_wrapper -> num_procs; i++)
		{
			if (par_wrapper -> machines[i] == (machine *)NULL)
			{
				continue;
			}
			/* All machines are initially unique */
			par_wrapper -> machines[i] -> unique = 1; 
		}
		for (i = 0; i < par_wrapper -> num_procs; i++)
		{
			if (par_wrapper -> machines[i] == (machine *)NULL)
			{
				continue;
			}
			if (par_wrapper -> machines[i] -> unique == 0)
			{
				continue; /* This host is already not unique */
			}
			for (j = i + 1; j < par_wrapper -> num_procs; j++)
			{
				if (par_wrapper -> machines[j] == (machine *)NULL)
				{
					continue;
				}
				if (par_wrapper -> machines[j] -> unique == 0)
				{
					continue; /* This host is already not unique */
				}	
				if (strcmp(par_wrapper -> machines[i] -> ip_addr, par_wrapper -> machines[j] -> ip_addr) == 0)
				{
					par_wrapper -> machines[j] -> unique = 0;
					debug(PRNT_INFO, "Rank %d (%s:%d) is not unique (some host as %d).\n", 
							j, par_wrapper -> machines[j] -> ip_addr, 
							par_wrapper -> machines[j] -> port, i);
				}	
			}
		}
	}
	
	int shared_fs = 1; /* Flag which denotes a shared fs */

	/* If I am rank 0 - determine if we need to create a fake file system */
	if (par_wrapper -> this_machine -> rank == MASTER)
	{
		int i;
		for (i = 0; i < par_wrapper -> num_procs; i++)
		{
			if (par_wrapper -> machines[i] == (machine *)NULL)
			{
				continue;
			}
			if (strcmp(par_wrapper -> machines[i] -> iwd, par_wrapper -> master -> iwd) != 0)
			{
				shared_fs = 0;
			}
		}
		if (shared_fs == 0)
		{
			char fake_fs[1024];
			time_t curr_time = time(NULL);
			snprintf(fake_fs, 1024, "/tmp/condor_hydra_%d_%ld", par_wrapper -> cluster_id, 
					(long)curr_time);
			debug(PRNT_INFO, "Using fake file system (%s). IWD's across ranks differ\n", fake_fs);
			for (i = 0; i < par_wrapper -> num_procs; i++)
			{
				if (par_wrapper -> machines[i] == (machine *)NULL)
				{
					continue;
				}
				if (! par_wrapper -> machines[i] -> unique)
				{
					continue;
				}
				/* Send the command to create softlinks */
				struct timeval old_time = par_wrapper -> machines[i] -> last_alive;
				while ( 1 )
				{
					RC = create_link(par_wrapper -> command_socket, par_wrapper -> machines[i] -> iwd,
							fake_fs, par_wrapper -> machines[i] -> ip_addr, 
							par_wrapper -> machines[i] -> port);
					usleep(100000); /* Sleep for 1/10th of a second */
					if (RC == 0 && 
					   ((old_time.tv_sec != par_wrapper -> machines[i] -> last_alive.tv_sec) || 
					   (old_time.tv_usec != par_wrapper -> machines[i] -> last_alive.tv_usec)))
					{
						break;
					}
					debug(PRNT_INFO, "Waiting for ACK from rank %d\n", i);
				}
			}
			par_wrapper -> shared_fs = strdup(fake_fs);
		}
		else 
		{
			par_wrapper -> shared_fs = strdup(par_wrapper -> master -> iwd);
			debug(PRNT_INFO, "Using a shared file system, IWD = %s\n", par_wrapper -> master -> iwd);
		}
	}
	/* Unlock the keepalive mutex */
	pthread_mutex_unlock(&keep_alive_mutex);

	/* Start up the MPI executable */
	if (par_wrapper -> this_machine -> rank == MASTER)
	{
		par_wrapper -> child_pid = fork();
		if (par_wrapper -> child_pid == (pid_t) -1)
		{
			print(PRNT_ERR, "Fork failed\n");
			cleanup(par_wrapper, 10);
		}
		else if (par_wrapper -> child_pid == (pid_t) 0)
		{
			/* I am the child */
			prctl(PR_SET_PDEATHSIG, SIGTERM);
			/* Set environment variables */
			char *machine_file = join_paths(par_wrapper -> scratch_dir, MACHINE_FILE);
			char *ssh_config = join_paths(par_wrapper -> scratch_dir, SSH_CONFIG);
			setenv("MACHINE_FILE", machine_file, 1); 
			setenv("SSH_CONFIG", ssh_config, 1);
		   	free(machine_file);
			free(ssh_config);	
			char *ssh_wrapper = join_paths(par_wrapper -> scratch_dir, SSH_WRAPPER);
			setenv("SSH_WRAPPER", ssh_wrapper, 1);
			free(ssh_wrapper);
			char temp_str[1024];
			
			snprintf(temp_str, 1024, "%d", par_wrapper -> num_procs);
			setenv("NUM_MACHINES", temp_str, 1);
		
			/* Determine the total number of cpus allocated to this task */
			int total_cpus = 0;
			int i;
			for (i = 0; i < par_wrapper -> num_procs; i++)
			{
				if (par_wrapper -> machines[i] == (machine *)NULL)
				{
					continue;
				}
				total_cpus += par_wrapper -> machines[i] -> cpus;
			}
			snprintf(temp_str, 1024, "%d", total_cpus);
			setenv("CPUS", temp_str, 1);
			setenv("NUM_PROCS", temp_str, 1);

			snprintf(temp_str, 1024, "%d", par_wrapper -> this_machine -> rank);
			setenv("RANK", temp_str, 1);
			
			snprintf(temp_str, 1024, "%d", par_wrapper -> cluster_id);
			setenv("CLUSTER_ID", temp_str, 1);
			
			snprintf(temp_str, 1024, "%d", par_wrapper -> this_machine -> port);
			setenv("CMD_PORT", temp_str, 1);
			
			snprintf(temp_str, 1024, "%d", par_wrapper -> this_machine -> cpus);
			setenv("REQUEST_CPUS", temp_str, 1);

			setenv("SCRATCH_DIR", par_wrapper -> scratch_dir, 1);
			setenv("IWD", par_wrapper -> this_machine -> iwd, 1);
			setenv("IP_ADDR", par_wrapper -> this_machine -> ip_addr, 1);
			setenv("TRANSFER_FILES", shared_fs != 0 ? "TRUE" : "FALSE", 1); 
			setenv("SHARED_FS", shared_fs != 0 ? par_wrapper -> this_machine -> iwd : par_wrapper -> shared_fs, 1);
			setenv("SHARED_DIR", shared_fs != 0 ? par_wrapper -> this_machine -> iwd : par_wrapper -> shared_fs, 1);
			setenv("SCHEDD_IWD", par_wrapper -> this_machine -> schedd_iwd, 1);
			/* TODO: SSH ENVS */

			/* Search in path */
			int process_RC = execvp(par_wrapper -> executable[0], &par_wrapper -> executable[0]);
			if (process_RC != 0)
			{
				print(PRNT_ERR, "%s\n", get_exec_error_msg(errno, par_wrapper -> executable[0]));
			}
			exit(process_RC);	
		}
		else
		{
			/* I am the parent */
			int child_status = 0;
			/* Create a new group for the child processes */
			par_wrapper -> pgid = setpgid(par_wrapper -> child_pid, 
					par_wrapper -> child_pid);			
			if (par_wrapper -> pgid < 0)
			{
				print(PRNT_WARN, "Unable to set process group for children\n");
			}
			
			waitpid(par_wrapper -> child_pid, &child_status, WUNTRACED); /* Wait for the child to finish */
			cleanup(par_wrapper, child_status);
		}
	}

	/* Always wait for the listener */
	pthread_join(par_wrapper -> listener, NULL);

	return 0;
}
Esempio n. 28
0
/**
 * @brief main of scepclient
 *
 * @param argc number of arguments
 * @param argv pointer to the argument values
 */
int main(int argc, char **argv)
{
    /* external values */
    extern char * optarg;
    extern int optind;

    /* type of input and output files */
    typedef enum {
        PKCS1      =  0x01,
        PKCS10     =  0x02,
        PKCS7      =  0x04,
        CERT_SELF  =  0x08,
        CERT       =  0x10,
        CACERT_ENC =  0x20,
        CACERT_SIG =  0x40,
    } scep_filetype_t;

    /* filetype to read from, defaults to "generate a key" */
    scep_filetype_t filetype_in = 0;

    /* filetype to write to, no default here */
    scep_filetype_t filetype_out = 0;

    /* input files */
    char *file_in_pkcs1      = DEFAULT_FILENAME_PKCS1;
    char *file_in_pkcs10     = DEFAULT_FILENAME_PKCS10;
    char *file_in_cert_self  = DEFAULT_FILENAME_CERT_SELF;
    char *file_in_cacert_enc = DEFAULT_FILENAME_CACERT_ENC;
    char *file_in_cacert_sig = DEFAULT_FILENAME_CACERT_SIG;

    /* output files */
    char *file_out_pkcs1     = DEFAULT_FILENAME_PKCS1;
    char *file_out_pkcs10    = DEFAULT_FILENAME_PKCS10;
    char *file_out_pkcs7     = DEFAULT_FILENAME_PKCS7;
    char *file_out_cert_self = DEFAULT_FILENAME_CERT_SELF;
    char *file_out_cert      = DEFAULT_FILENAME_CERT;
    char *file_out_ca_cert   = DEFAULT_FILENAME_CACERT_ENC;

    /* by default user certificate is requested */
    bool request_ca_certificate = FALSE;

    /* by default existing files are not overwritten */
    bool force = FALSE;

    /* length of RSA key in bits */
    u_int rsa_keylength = DEFAULT_RSA_KEY_LENGTH;

    /* validity of self-signed certificate */
    time_t validity  = DEFAULT_CERT_VALIDITY;
    time_t notBefore = 0;
    time_t notAfter  = 0;

    /* distinguished name for requested certificate, ASCII format */
    char *distinguishedName = NULL;

    /* challenge password */
    char challenge_password_buffer[MAX_PASSWORD_LENGTH];

    /* symmetric encryption algorithm used by pkcs7, default is DES */
    encryption_algorithm_t pkcs7_symmetric_cipher = ENCR_DES;
    size_t pkcs7_key_size = 0;

    /* digest algorithm used by pkcs7, default is MD5 */
    hash_algorithm_t pkcs7_digest_alg = HASH_MD5;

    /* signature algorithm used by pkcs10, default is MD5 */
    hash_algorithm_t pkcs10_signature_alg = HASH_MD5;

    /* URL of the SCEP-Server */
    char *scep_url = NULL;

    /* Name of CA to fetch CA certs for */
    char *ca_name = "CAIdentifier";

    /* http request method, default is GET */
    bool http_get_request = TRUE;

    /* poll interval time in manual mode in seconds */
    u_int poll_interval = DEFAULT_POLL_INTERVAL;

    /* maximum poll time */
    u_int max_poll_time = 0;

    err_t ugh = NULL;

    /* initialize library */
    if (!library_init(NULL))
    {
        library_deinit();
        exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
    }
    if (lib->integrity &&
            !lib->integrity->check_file(lib->integrity, "scepclient", argv[0]))
    {
        fprintf(stderr, "integrity check of scepclient failed\n");
        library_deinit();
        exit(SS_RC_DAEMON_INTEGRITY);
    }

    /* initialize global variables */
    pkcs1             = chunk_empty;
    pkcs7             = chunk_empty;
    serialNumber      = chunk_empty;
    transID           = chunk_empty;
    fingerprint       = chunk_empty;
    encoding          = chunk_empty;
    pkcs10_encoding   = chunk_empty;
    issuerAndSubject  = chunk_empty;
    challengePassword = chunk_empty;
    getCertInitial    = chunk_empty;
    scep_response     = chunk_empty;
    subjectAltNames   = linked_list_create();
    options           = options_create();

    for (;;)
    {
        static const struct option long_opts[] = {
            /* name, has_arg, flag, val */
            { "help", no_argument, NULL, 'h' },
            { "version", no_argument, NULL, 'v' },
            { "optionsfrom", required_argument, NULL, '+' },
            { "quiet", no_argument, NULL, 'q' },
            { "debug", required_argument, NULL, 'l' },
            { "in", required_argument, NULL, 'i' },
            { "out", required_argument, NULL, 'o' },
            { "force", no_argument, NULL, 'f' },
            { "httptimeout", required_argument, NULL, 'T' },
            { "keylength", required_argument, NULL, 'k' },
            { "dn", required_argument, NULL, 'd' },
            { "days", required_argument, NULL, 'D' },
            { "startdate", required_argument, NULL, 'S' },
            { "enddate", required_argument, NULL, 'E' },
            { "subjectAltName", required_argument, NULL, 's' },
            { "password", required_argument, NULL, 'p' },
            { "algorithm", required_argument, NULL, 'a' },
            { "url", required_argument, NULL, 'u' },
            { "caname", required_argument, NULL, 'c'},
            { "method", required_argument, NULL, 'm' },
            { "interval", required_argument, NULL, 't' },
            { "maxpolltime", required_argument, NULL, 'x' },
            { 0,0,0,0 }
        };

        /* parse next option */
        int c = getopt_long(argc, argv, "hv+:qi:o:fk:d:s:p:a:u:c:m:t:x:APRCMS", long_opts, NULL);

        switch (c)
        {
        case EOF:       /* end of flags */
            break;

        case 'h':       /* --help */
            usage(NULL);

        case 'v':       /* --version */
            version();

        case 'q':       /* --quiet */
            log_to_stderr = FALSE;
            continue;

        case 'l':		/* --debug <level> */
            default_loglevel = atoi(optarg);
            continue;

        case 'i':       /* --in <type> [= <filename>] */
        {
            char *filename = strstr(optarg, "=");

            if (filename)
            {
                /* replace '=' by '\0' */
                *filename = '\0';
                /* set pointer to start of filename */
                filename++;
            }
            if (strcaseeq("pkcs1", optarg))
            {
                filetype_in |= PKCS1;
                if (filename)
                    file_in_pkcs1 = filename;
            }
            else if (strcaseeq("pkcs10", optarg))
            {
                filetype_in |= PKCS10;
                if (filename)
                    file_in_pkcs10 = filename;
            }
            else if (strcaseeq("cacert-enc", optarg))
            {
                filetype_in |= CACERT_ENC;
                if (filename)
                    file_in_cacert_enc = filename;
            }
            else if (strcaseeq("cacert-sig", optarg))
            {
                filetype_in |= CACERT_SIG;
                if (filename)
                    file_in_cacert_sig = filename;
            }
            else if (strcaseeq("cert-self", optarg))
            {
                filetype_in |= CERT_SELF;
                if (filename)
                    file_in_cert_self = filename;
            }
            else
            {
                usage("invalid --in file type");
            }
            continue;
        }

        case 'o':       /* --out <type> [= <filename>] */
        {
            char *filename = strstr(optarg, "=");

            if (filename)
            {
                /* replace '=' by '\0' */
                *filename = '\0';
                /* set pointer to start of filename */
                filename++;
            }
            if (strcaseeq("pkcs1", optarg))
            {
                filetype_out |= PKCS1;
                if (filename)
                    file_out_pkcs1 = filename;
            }
            else if (strcaseeq("pkcs10", optarg))
            {
                filetype_out |= PKCS10;
                if (filename)
                    file_out_pkcs10 = filename;
            }
            else if (strcaseeq("pkcs7", optarg))
            {
                filetype_out |= PKCS7;
                if (filename)
                    file_out_pkcs7 = filename;
            }
            else if (strcaseeq("cert-self", optarg))
            {
                filetype_out |= CERT_SELF;
                if (filename)
                    file_out_cert_self = filename;
            }
            else if (strcaseeq("cert", optarg))
            {
                filetype_out |= CERT;
                if (filename)
                    file_out_cert = filename;
            }
            else if (strcaseeq("cacert", optarg))
            {
                request_ca_certificate = TRUE;
                if (filename)
                    file_out_ca_cert = filename;
            }
            else
            {
                usage("invalid --out file type");
            }
            continue;
        }

        case 'f':       /* --force */
            force = TRUE;
            continue;

        case 'T':       /* --httptimeout */
            http_timeout = atoi(optarg);
            if (http_timeout <= 0)
            {
                usage("invalid httptimeout specified");
            }
            continue;

        case '+':       /* --optionsfrom <filename> */
            if (!options->from(options, optarg, &argc, &argv, optind))
            {
                exit_scepclient("optionsfrom failed");
            }
            continue;

        case 'k':        /* --keylength <length> */
        {
            div_t q;

            rsa_keylength = atoi(optarg);
            if (rsa_keylength == 0)
                usage("invalid keylength");

            /* check if key length is a multiple of 8 bits */
            q = div(rsa_keylength, 2*BITS_PER_BYTE);
            if (q.rem != 0)
            {
                exit_scepclient("keylength is not a multiple of %d bits!"
                                , 2*BITS_PER_BYTE);
            }
            continue;
        }

        case 'D':       /* --days */
            if (optarg == NULL || !isdigit(optarg[0]))
            {
                usage("missing number of days");
            }
            else
            {
                char *endptr;
                long days = strtol(optarg, &endptr, 0);

                if (*endptr != '\0' || endptr == optarg
                        || days <= 0)
                    usage("<days> must be a positive number");
                validity = 24*3600*days;
            }
            continue;

        case 'S':       /* --startdate */
            if (optarg == NULL || strlen(optarg) != 13 || optarg[12] != 'Z')
            {
                usage("date format must be YYMMDDHHMMSSZ");
            }
            else
            {
                chunk_t date = { optarg, 13 };
                notBefore = asn1_to_time(&date, ASN1_UTCTIME);
            }
            continue;

        case 'E':       /* --enddate */
            if (optarg == NULL || strlen(optarg) != 13 || optarg[12] != 'Z')
            {
                usage("date format must be YYMMDDHHMMSSZ");
            }
            else
            {
                chunk_t date = { optarg, 13 };
                notAfter = asn1_to_time(&date, ASN1_UTCTIME);
            }
            continue;

        case 'd':       /* --dn */
            if (distinguishedName)
            {
                usage("only one distinguished name allowed");
            }
            distinguishedName = optarg;
            continue;

        case 's':       /* --subjectAltName */
        {
            char *value = strstr(optarg, "=");

            if (value)
            {
                /* replace '=' by '\0' */
                *value = '\0';
                /* set pointer to start of value */
                value++;
            }

            if (strcaseeq("email", optarg) ||
                    strcaseeq("dns", optarg) ||
                    strcaseeq("ip", optarg))
            {
                subjectAltNames->insert_last(subjectAltNames,
                                             identification_create_from_string(value));
                continue;
            }
            else
            {
                usage("invalid --subjectAltName type");
                continue;
            }
        }

        case 'p':       /* --password */
            if (challengePassword.len > 0)
            {
                usage("only one challenge password allowed");
            }
            if (strcaseeq("%prompt", optarg))
            {
                printf("Challenge password: "******"challenge password could not be read");
                }
            }
            else
            {
                challengePassword.ptr = optarg;
                challengePassword.len = strlen(optarg);
            }
            continue;

        case 'u':       /* -- url */
            if (scep_url)
            {
                usage("only one URL argument allowed");
            }
            scep_url = optarg;
            continue;

        case 'c':       /* -- caname */
            ca_name = optarg;
            continue;

        case 'm':       /* --method */
            if (strcaseeq("get", optarg))
            {
                http_get_request = TRUE;
            }
            else if (strcaseeq("post", optarg))
            {
                http_get_request = FALSE;
            }
            else
            {
                usage("invalid http request method specified");
            }
            continue;

        case 't':       /* --interval */
            poll_interval = atoi(optarg);
            if (poll_interval <= 0)
            {
                usage("invalid interval specified");
            }
            continue;

        case 'x':       /* --maxpolltime */
            max_poll_time = atoi(optarg);
            continue;

        case 'a':       /*--algorithm [<type>=]algo */
        {
            const proposal_token_t *token;
            char *type = optarg;
            char *algo = strstr(optarg, "=");

            if (algo)
            {
                *algo = '\0';
                algo++;
            }
            else
            {
                type = "enc";
                algo = optarg;
            }

            if (strcaseeq("enc", type))
            {
                token = lib->proposal->get_token(lib->proposal, algo);
                if (token == NULL || token->type != ENCRYPTION_ALGORITHM)
                {
                    usage("invalid algorithm specified");
                }
                pkcs7_symmetric_cipher = token->algorithm;
                pkcs7_key_size = token->keysize;
                if (encryption_algorithm_to_oid(token->algorithm,
                                                token->keysize) == OID_UNKNOWN)
                {
                    usage("unsupported encryption algorithm specified");
                }
            }
            else if (strcaseeq("dgst", type) ||
                     strcaseeq("sig", type))
            {
                hash_algorithm_t hash;

                token = lib->proposal->get_token(lib->proposal, algo);
                if (token == NULL || token->type != INTEGRITY_ALGORITHM)
                {
                    usage("invalid algorithm specified");
                }
                hash = hasher_algorithm_from_integrity(token->algorithm,
                                                       NULL);
                if (hash == OID_UNKNOWN)
                {
                    usage("invalid algorithm specified");
                }
                if (strcaseeq("dgst", type))
                {
                    pkcs7_digest_alg = hash;
                }
                else
                {
                    pkcs10_signature_alg = hash;
                }
            }
            else
            {
                usage("invalid --algorithm type");
            }
            continue;
        }
        default:
            usage("unknown option");
        }
        /* break from loop */
        break;
    }

    init_log("scepclient");

    /* load plugins, further infrastructure may need it */
    if (!lib->plugins->load(lib->plugins, NULL,
                            lib->settings->get_str(lib->settings, "scepclient.load", PLUGINS)))
    {
        exit_scepclient("plugin loading failed");
    }
    DBG1(DBG_APP, "  loaded plugins: %s",
         lib->plugins->loaded_plugins(lib->plugins));

    if ((filetype_out == 0) && (!request_ca_certificate))
    {
        usage("--out filetype required");
    }
    if (request_ca_certificate && (filetype_out > 0 || filetype_in > 0))
    {
        usage("in CA certificate request, no other --in or --out option allowed");
    }

    /* check if url is given, if cert output defined */
    if (((filetype_out & CERT) || request_ca_certificate) && !scep_url)
    {
        usage("URL of SCEP server required");
    }

    /* check for sanity of --in/--out */
    if (!filetype_in && (filetype_in > filetype_out))
    {
        usage("cannot generate --out of given --in!");
    }

    /* get CA cert */
    if (request_ca_certificate)
    {
        char ca_path[PATH_MAX];
        container_t *container;
        pkcs7_t *pkcs7;

        if (!scep_http_request(scep_url, chunk_create(ca_name, strlen(ca_name)),
                               SCEP_GET_CA_CERT, http_get_request,
                               http_timeout, &scep_response))
        {
            exit_scepclient("did not receive a valid scep response");
        }

        join_paths(ca_path, sizeof(ca_path), CA_CERT_PATH, file_out_ca_cert);

        pkcs7 = lib->creds->create(lib->creds, CRED_CONTAINER, CONTAINER_PKCS7,
                                   BUILD_BLOB_ASN1_DER, scep_response, BUILD_END);

        if (!pkcs7)
        {   /* no PKCS#7 encoded CA+RA certificates, assume simple CA cert */

            DBG1(DBG_APP, "unable to parse PKCS#7, assuming plain CA cert");
            if (!chunk_write(scep_response, ca_path, "ca cert",  0022, force))
            {
                exit_scepclient("could not write ca cert file '%s'", ca_path);
            }
        }
        else
        {
            enumerator_t *enumerator;
            certificate_t *cert;
            int ra_certs = 0, ca_certs = 0;
            int ra_index = 1, ca_index = 1;

            enumerator = pkcs7->create_cert_enumerator(pkcs7);
            while (enumerator->enumerate(enumerator, &cert))
            {
                x509_t *x509 = (x509_t*)cert;
                if (x509->get_flags(x509) & X509_CA)
                {
                    ca_certs++;
                }
                else
                {
                    ra_certs++;
                }
            }
            enumerator->destroy(enumerator);

            enumerator = pkcs7->create_cert_enumerator(pkcs7);
            while (enumerator->enumerate(enumerator, &cert))
            {
                x509_t *x509 = (x509_t*)cert;
                bool ca_cert = x509->get_flags(x509) & X509_CA;
                char cert_path[PATH_MAX], *path = ca_path;

                if (ca_cert && ca_certs > 1)
                {
                    add_path_suffix(cert_path, sizeof(cert_path), ca_path,
                                    "-%.1d", ca_index++);
                    path = cert_path;
                }
                else if (!ca_cert)
                {   /* use CA name as base for RA certs */
                    if (ra_certs > 1)
                    {
                        add_path_suffix(cert_path, sizeof(cert_path), ca_path,
                                        "-ra-%.1d", ra_index++);
                    }
                    else
                    {
                        add_path_suffix(cert_path, sizeof(cert_path), ca_path,
                                        "-ra");
                    }
                    path = cert_path;
                }

                if (!cert->get_encoding(cert, CERT_ASN1_DER, &encoding) ||
                        !chunk_write(encoding, path,
                                     ca_cert ? "ca cert" : "ra cert", 0022, force))
                {
                    exit_scepclient("could not write cert file '%s'", path);
                }
                chunk_free(&encoding);
            }
            enumerator->destroy(enumerator);
            container = &pkcs7->container;
            container->destroy(container);
        }
        exit_scepclient(NULL); /* no further output required */
    }

    creds = mem_cred_create();
    lib->credmgr->add_set(lib->credmgr, &creds->set);

    /*
     * input of PKCS#1 file
     */
    if (filetype_in & PKCS1)    /* load an RSA key pair from file */
    {
        char path[PATH_MAX];

        join_paths(path, sizeof(path), PRIVATE_KEY_PATH, file_in_pkcs1);

        private_key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
                                         BUILD_FROM_FILE, path, BUILD_END);
    }
    else                                /* generate an RSA key pair */
    {
        private_key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
                                         BUILD_KEY_SIZE, rsa_keylength,
                                         BUILD_END);
    }
    if (private_key == NULL)
    {
        exit_scepclient("no RSA private key available");
    }
    creds->add_key(creds, private_key->get_ref(private_key));
    public_key = private_key->get_public_key(private_key);

    /* check for minimum key length */
    if (private_key->get_keysize(private_key) < RSA_MIN_OCTETS / BITS_PER_BYTE)
    {
        exit_scepclient("length of RSA key has to be at least %d bits",
                        RSA_MIN_OCTETS * BITS_PER_BYTE);
    }

    /*
     * input of PKCS#10 file
     */
    if (filetype_in & PKCS10)
    {
        char path[PATH_MAX];

        join_paths(path, sizeof(path), REQ_PATH, file_in_pkcs10);

        pkcs10_req = lib->creds->create(lib->creds, CRED_CERTIFICATE,
                                        CERT_PKCS10_REQUEST, BUILD_FROM_FILE,
                                        path, BUILD_END);
        if (!pkcs10_req)
        {
            exit_scepclient("could not read certificate request '%s'", path);
        }
        subject = pkcs10_req->get_subject(pkcs10_req);
        subject = subject->clone(subject);
    }
    else
    {
        if (distinguishedName == NULL)
        {
            char buf[BUF_LEN];
            int n = sprintf(buf, DEFAULT_DN);

            /* set the common name to the hostname */
            if (gethostname(buf + n, BUF_LEN - n) || strlen(buf) == n)
            {
                exit_scepclient("no hostname defined, use "
                                "--dn <distinguished name> option");
            }
            distinguishedName = buf;
        }

        DBG2(DBG_APP, "dn: '%s'", distinguishedName);
        subject = identification_create_from_string(distinguishedName);
        if (subject->get_type(subject) != ID_DER_ASN1_DN)
        {
            exit_scepclient("parsing of distinguished name failed");
        }

        DBG2(DBG_APP, "building pkcs10 object:");
        pkcs10_req = lib->creds->create(lib->creds, CRED_CERTIFICATE,
                                        CERT_PKCS10_REQUEST,
                                        BUILD_SIGNING_KEY, private_key,
                                        BUILD_SUBJECT, subject,
                                        BUILD_SUBJECT_ALTNAMES, subjectAltNames,
                                        BUILD_CHALLENGE_PWD, challengePassword,
                                        BUILD_DIGEST_ALG, pkcs10_signature_alg,
                                        BUILD_END);
        if (!pkcs10_req)
        {
            exit_scepclient("generating pkcs10 request failed");
        }
    }
    pkcs10_req->get_encoding(pkcs10_req, CERT_ASN1_DER, &pkcs10_encoding);
    fingerprint = scep_generate_pkcs10_fingerprint(pkcs10_encoding);
    DBG1(DBG_APP, "  fingerprint:    %s", fingerprint.ptr);

    /*
     * output of PKCS#10 file
     */
    if (filetype_out & PKCS10)
    {
        char path[PATH_MAX];

        join_paths(path, sizeof(path), REQ_PATH, file_out_pkcs10);

        if (!chunk_write(pkcs10_encoding, path, "pkcs10",  0022, force))
        {
            exit_scepclient("could not write pkcs10 file '%s'", path);
        }
        filetype_out &= ~PKCS10;   /* delete PKCS10 flag */
    }

    if (!filetype_out)
    {
        exit_scepclient(NULL); /* no further output required */
    }

    /*
     * output of PKCS#1 file
     */
    if (filetype_out & PKCS1)
    {
        char path[PATH_MAX];

        join_paths(path, sizeof(path), PRIVATE_KEY_PATH, file_out_pkcs1);

        DBG2(DBG_APP, "building pkcs1 object:");
        if (!private_key->get_encoding(private_key, PRIVKEY_ASN1_DER, &pkcs1) ||
                !chunk_write(pkcs1, path, "pkcs1", 0066, force))
        {
            exit_scepclient("could not write pkcs1 file '%s'", path);
        }
        filetype_out &= ~PKCS1;   /* delete PKCS1 flag */
    }

    if (!filetype_out)
    {
        exit_scepclient(NULL); /* no further output required */
    }

    scep_generate_transaction_id(public_key, &transID, &serialNumber);
    DBG1(DBG_APP, "  transaction ID: %.*s", (int)transID.len, transID.ptr);

    /*
     * read or generate self-signed X.509 certificate
     */
    if (filetype_in & CERT_SELF)
    {
        char path[PATH_MAX];

        join_paths(path, sizeof(path), HOST_CERT_PATH, file_in_cert_self);

        x509_signer = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
                                         BUILD_FROM_FILE, path, BUILD_END);
        if (!x509_signer)
        {
            exit_scepclient("could not read certificate file '%s'", path);
        }
    }
    else
    {
        notBefore = notBefore ? notBefore : time(NULL);
        notAfter  = notAfter  ? notAfter  : (notBefore + validity);
        x509_signer = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
                                         BUILD_SIGNING_KEY, private_key,
                                         BUILD_PUBLIC_KEY, public_key,
                                         BUILD_SUBJECT, subject,
                                         BUILD_NOT_BEFORE_TIME, notBefore,
                                         BUILD_NOT_AFTER_TIME, notAfter,
                                         BUILD_SERIAL, serialNumber,
                                         BUILD_SUBJECT_ALTNAMES, subjectAltNames,
                                         BUILD_END);
        if (!x509_signer)
        {
            exit_scepclient("generating certificate failed");
        }
    }
    creds->add_cert(creds, TRUE, x509_signer->get_ref(x509_signer));

    /*
     * output of self-signed X.509 certificate file
     */
    if (filetype_out & CERT_SELF)
    {
        char path[PATH_MAX];

        join_paths(path, sizeof(path), HOST_CERT_PATH, file_out_cert_self);

        if (!x509_signer->get_encoding(x509_signer, CERT_ASN1_DER, &encoding))
        {
            exit_scepclient("encoding certificate failed");
        }
        if (!chunk_write(encoding, path, "self-signed cert", 0022, force))
        {
            exit_scepclient("could not write self-signed cert file '%s'", path);
        }
        chunk_free(&encoding);
        filetype_out &= ~CERT_SELF;   /* delete CERT_SELF flag */
    }

    if (!filetype_out)
    {
        exit_scepclient(NULL); /* no further output required */
    }

    /*
     * load ca encryption certificate
     */
    {
        char path[PATH_MAX];

        join_paths(path, sizeof(path), CA_CERT_PATH, file_in_cacert_enc);

        x509_ca_enc = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
                                         BUILD_FROM_FILE, path, BUILD_END);
        if (!x509_ca_enc)
        {
            exit_scepclient("could not load encryption cacert file '%s'", path);
        }
    }

    /*
     * input of PKCS#7 file
     */
    if (filetype_in & PKCS7)
    {
        /* user wants to load a pkcs7 encrypted request
         * operation is not yet supported!
         * would require additional parsing of transaction-id

           pkcs7 = pkcs7_read_from_file(file_in_pkcs7);

         */
    }
    else
    {
        DBG2(DBG_APP, "building pkcs7 request");
        pkcs7 = scep_build_request(pkcs10_encoding,
                                   transID, SCEP_PKCSReq_MSG, x509_ca_enc,
                                   pkcs7_symmetric_cipher, pkcs7_key_size,
                                   x509_signer, pkcs7_digest_alg, private_key);
        if (!pkcs7.ptr)
        {
            exit_scepclient("failed to build pkcs7 request");
        }
    }

    /*
     * output pkcs7 encrypted and signed certificate request
     */
    if (filetype_out & PKCS7)
    {
        char path[PATH_MAX];

        join_paths(path, sizeof(path), REQ_PATH, file_out_pkcs7);

        if (!chunk_write(pkcs7, path, "pkcs7 encrypted request", 0022, force))
        {
            exit_scepclient("could not write pkcs7 file '%s'", path);
        }
        filetype_out &= ~PKCS7;   /* delete PKCS7 flag */
    }

    if (!filetype_out)
    {
        exit_scepclient(NULL); /* no further output required */
    }

    /*
     * output certificate fetch from SCEP server
     */
    if (filetype_out & CERT)
    {
        bool stored = FALSE;
        certificate_t *cert;
        enumerator_t  *enumerator;
        char path[PATH_MAX];
        time_t poll_start = 0;
        pkcs7_t *p7;
        container_t *container = NULL;
        chunk_t chunk;
        scep_attributes_t attrs = empty_scep_attributes;

        join_paths(path, sizeof(path), CA_CERT_PATH, file_in_cacert_sig);

        x509_ca_sig = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
                                         BUILD_FROM_FILE, path, BUILD_END);
        if (!x509_ca_sig)
        {
            exit_scepclient("could not load signature cacert file '%s'", path);
        }

        creds->add_cert(creds, TRUE, x509_ca_sig->get_ref(x509_ca_sig));

        if (!scep_http_request(scep_url, pkcs7, SCEP_PKI_OPERATION,
                               http_get_request, http_timeout, &scep_response))
        {
            exit_scepclient("did not receive a valid scep response");
        }
        ugh = scep_parse_response(scep_response, transID, &container, &attrs);
        if (ugh != NULL)
        {
            exit_scepclient(ugh);
        }

        /* in case of manual mode, we are going into a polling loop */
        if (attrs.pkiStatus == SCEP_PENDING)
        {
            identification_t *issuer = x509_ca_sig->get_subject(x509_ca_sig);

            DBG1(DBG_APP, "  scep request pending, polling every %d seconds",
                 poll_interval);
            poll_start = time_monotonic(NULL);
            issuerAndSubject = asn1_wrap(ASN1_SEQUENCE, "cc",
                                         issuer->get_encoding(issuer),
                                         subject);
        }
        while (attrs.pkiStatus == SCEP_PENDING)
        {
            if (max_poll_time > 0 &&
                    (time_monotonic(NULL) - poll_start >= max_poll_time))
            {
                exit_scepclient("maximum poll time reached: %d seconds"
                                , max_poll_time);
            }
            DBG2(DBG_APP, "going to sleep for %d seconds", poll_interval);
            sleep(poll_interval);
            free(scep_response.ptr);
            container->destroy(container);

            DBG2(DBG_APP, "fingerprint:    %.*s",
                 (int)fingerprint.len, fingerprint.ptr);
            DBG2(DBG_APP, "transaction ID: %.*s",
                 (int)transID.len, transID.ptr);

            chunk_free(&getCertInitial);
            getCertInitial = scep_build_request(issuerAndSubject,
                                                transID, SCEP_GetCertInitial_MSG, x509_ca_enc,
                                                pkcs7_symmetric_cipher, pkcs7_key_size,
                                                x509_signer, pkcs7_digest_alg, private_key);
            if (!getCertInitial.ptr)
            {
                exit_scepclient("failed to build scep request");
            }
            if (!scep_http_request(scep_url, getCertInitial, SCEP_PKI_OPERATION,
                                   http_get_request, http_timeout, &scep_response))
            {
                exit_scepclient("did not receive a valid scep response");
            }
            ugh = scep_parse_response(scep_response, transID, &container, &attrs);
            if (ugh != NULL)
            {
                exit_scepclient(ugh);
            }
        }

        if (attrs.pkiStatus != SCEP_SUCCESS)
        {
            container->destroy(container);
            exit_scepclient("reply status is not 'SUCCESS'");
        }

        if (!container->get_data(container, &chunk))
        {
            container->destroy(container);
            exit_scepclient("extracting signed-data failed");
        }
        container->destroy(container);

        /* decrypt enveloped-data container */
        container = lib->creds->create(lib->creds,
                                       CRED_CONTAINER, CONTAINER_PKCS7,
                                       BUILD_BLOB_ASN1_DER, chunk,
                                       BUILD_END);
        free(chunk.ptr);
        if (!container)
        {
            exit_scepclient("could not decrypt envelopedData");
        }

        if (!container->get_data(container, &chunk))
        {
            container->destroy(container);
            exit_scepclient("extracting encrypted-data failed");
        }
        container->destroy(container);

        /* parse signed-data container */
        container = lib->creds->create(lib->creds,
                                       CRED_CONTAINER, CONTAINER_PKCS7,
                                       BUILD_BLOB_ASN1_DER, chunk,
                                       BUILD_END);
        free(chunk.ptr);
        if (!container)
        {
            exit_scepclient("could not parse singed-data");
        }
        /* no need to verify the signed-data container, the signature does NOT
         * cover the contained certificates */

        /* store the end entity certificate */
        join_paths(path, sizeof(path), HOST_CERT_PATH, file_out_cert);

        p7 = (pkcs7_t*)container;
        enumerator = p7->create_cert_enumerator(p7);
        while (enumerator->enumerate(enumerator, &cert))
        {
            x509_t *x509 = (x509_t*)cert;

            if (!(x509->get_flags(x509) & X509_CA))
            {
                if (stored)
                {
                    exit_scepclient("multiple certs received, only first stored");
                }
                if (!cert->get_encoding(cert, CERT_ASN1_DER, &encoding) ||
                        !chunk_write(encoding, path, "requested cert", 0022, force))
                {
                    exit_scepclient("could not write cert file '%s'", path);
                }
                chunk_free(&encoding);
                stored = TRUE;
            }
        }
        enumerator->destroy(enumerator);
        container->destroy(container);
        chunk_free(&attrs.transID);
        chunk_free(&attrs.senderNonce);
        chunk_free(&attrs.recipientNonce);

        filetype_out &= ~CERT;   /* delete CERT flag */
    }

    exit_scepclient(NULL);
    return -1; /* should never be reached */
}