1 files changed, 0 insertions, 593 deletions

diff --git a/trust/save.c b/trust/save.c
deleted file mode 100644
index 66c9050..0000000
--- a/trust/save.c
+++ /dev/null
@@ -1,593 +0,0 @@
-/*
- * Copyright (c) 2013, Red Hat Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- *     * Redistributions of source code must retain the above
- *       copyright notice, this list of conditions and the
- *       following disclaimer.
- *     * Redistributions in binary form must reproduce the
- *       above copyright notice, this list of conditions and
- *       the following disclaimer in the documentation and/or
- *       other materials provided with the distribution.
- *     * The names of contributors to this software may not be
- *       used to endorse or promote products derived from this
- *       software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
- * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * Author: Stef Walter <stefw@redhat.com>
- */
-
-#include "config.h"
-
-#include "buffer.h"
-#include "debug.h"
-#include "dict.h"
-#include "message.h"
-#include "save.h"
-
-#include <sys/stat.h>
-
-#include <assert.h>
-#include <dirent.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-struct _p11_save_file {
-	char *bare;
-	char *extension;
-	char *temp;
-	int fd;
-	int flags;
-};
-
-struct _p11_save_dir {
-	p11_dict *cache;
-	char *path;
-	int flags;
-};
-
-static char *   make_unique_name    (const char *bare,
-                                     const char *extension,
-                                     int (*check) (void *, char *),
-                                     void *data);
-
-bool
-p11_save_write_and_finish (p11_save_file *file,
-                           const void *data,
-                           ssize_t length)
-{
-	bool ret;
-
-	if (!file)
-		return false;
-
-	ret = p11_save_write (file, data, length);
-	if (!p11_save_finish_file (file, NULL, ret))
-		ret = false;
-
-	return ret;
-}
-
-p11_save_file *
-p11_save_open_file (const char *path,
-                    const char *extension,
-                    int flags)
-{
-	p11_save_file *file;
-	char *temp;
-	int fd;
-
-	return_val_if_fail (path != NULL, NULL);
-
-	if (extension == NULL)
-		extension = "";
-
-	if (asprintf (&temp, "%s%s.XXXXXX", path, extension) < 0)
-		return_val_if_reached (NULL);
-
-	fd = mkstemp (temp);
-	if (fd < 0) {
-		p11_message_err (errno, "couldn't create file: %s%s", path, extension);
-		free (temp);
-		return NULL;
-	}
-
-	file = calloc (1, sizeof (p11_save_file));
-	return_val_if_fail (file != NULL, NULL);
-	file->temp = temp;
-	file->bare = strdup (path);
-	return_val_if_fail (file->bare != NULL, NULL);
-	file->extension = strdup (extension);
-	return_val_if_fail (file->extension != NULL, NULL);
-	file->flags = flags;
-	file->fd = fd;
-
-	return file;
-}
-
-bool
-p11_save_write (p11_save_file *file,
-                const void *data,
-                ssize_t length)
-{
-	const unsigned char *buf = data;
-	ssize_t written = 0;
-	ssize_t res;
-
-	if (!file)
-		return false;
-
-	/* Automatically calculate length */
-	if (length < 0) {
-		if (!data)
-			return true;
-		length = strlen (data);
-	}
-
-	while (written < length) {
-		res = write (file->fd, buf + written, length - written);
-		if (res <= 0) {
-			if (errno == EAGAIN || errno == EINTR)
-				continue;
-			p11_message_err (errno, "couldn't write to file: %s", file->temp);
-			return false;
-		} else {
-			written += res;
-		}
-	}
-
-	return true;
-}
-
-static void
-filo_free (p11_save_file *file)
-{
-	free (file->temp);
-	free (file->bare);
-	free (file->extension);
-	free (file);
-}
-
-#ifdef OS_UNIX
-
-static int
-on_unique_try_link (void *data,
-                    char *path)
-{
-	p11_save_file *file = data;
-
-	if (link (file->temp, path) < 0) {
-		if (errno == EEXIST)
-			return 0; /* Continue trying other names */
-		p11_message_err (errno, "couldn't complete writing of file: %s", path);
-		return -1;
-	}
-
-	return 1; /* All done */
-}
-
-#else /* OS_WIN32 */
-
-static int
-on_unique_try_rename (void *data,
-                      char *path)
-{
-	p11_save_file *file = data;
-
-	if (rename (file->temp, path) < 0) {
-		if (errno == EEXIST)
-			return 0; /* Continue trying other names */
-		p11_message ("couldn't complete writing of file: %s", path);
-		return -1;
-	}
-
-	return 1; /* All done */
-}
-
-#endif /* OS_WIN32 */
-
-bool
-p11_save_finish_file (p11_save_file *file,
-                      char **path_out,
-                      bool commit)
-{
-	bool ret = true;
-	char *path;
-
-	if (!file)
-		return false;
-
-	if (!commit) {
-		close (file->fd);
-		unlink (file->temp);
-		filo_free (file);
-		return true;
-	}
-
-	if (asprintf (&path, "%s%s", file->bare, file->extension) < 0)
-		return_val_if_reached (false);
-
-	if (close (file->fd) < 0) {
-		p11_message_err (errno, "couldn't write file: %s", file->temp);
-		ret = false;
-
-#ifdef OS_UNIX
-	/* Set the mode of the file, readable by everyone, but not writable */
-	} else if (chmod (file->temp, S_IRUSR | S_IRGRP | S_IROTH) < 0) {
-		p11_message_err (errno, "couldn't set file permissions: %s", file->temp);
-		ret = false;
-
-	/* Atomically rename the tempfile over the filename */
-	} else if (file->flags & P11_SAVE_OVERWRITE) {
-		if (rename (file->temp, path) < 0) {
-			p11_message_err (errno, "couldn't complete writing file: %s", path);
-			ret = false;
-		} else {
-			unlink (file->temp);
-		}
-
-	/* Create a unique name if requested unique file name */
-	} else if (file->flags & P11_SAVE_UNIQUE) {
-		free (path);
-		path = make_unique_name (file->bare, file->extension,
-		                         on_unique_try_link, file);
-		if (!path)
-			ret = false;
-		unlink (file->temp);
-
-	/* When not overwriting, link will fail if filename exists. */
-	} else {
-		if (link (file->temp, path) < 0) {
-			p11_message_err (errno, "couldn't complete writing of file: %s", path);
-			ret = false;
-		}
-		unlink (file->temp);
-
-#else /* OS_WIN32 */
-
-	/* Windows does not do atomic renames, so delete original file first */
-	} else {
-		/* Create a unique name if requested unique file name */
-		if (file->flags & P11_SAVE_UNIQUE) {
-			free (path);
-			path = make_unique_name (file->bare, file->extension,
-			                         on_unique_try_rename, file);
-			if (!path)
-				ret = false;
-
-		} else if ((file->flags & P11_SAVE_OVERWRITE) &&
-			    unlink (path) < 0 && errno != ENOENT) {
-			p11_message_err (errno, "couldn't remove original file: %s", path);
-			ret = false;
-		}
-
-		if (ret == true &&
-		    rename (file->temp, path) < 0) {
-			p11_message_err (errno, "couldn't complete writing file: %s", path);
-			ret = false;
-		}
-
-		unlink (file->temp);
-
-#endif /* OS_WIN32 */
-	}
-
-	if (ret && path_out) {
-		*path_out = path;
-		path = NULL;
-	}
-
-	free (path);
-	filo_free (file);
-	return ret;
-}
-
-p11_save_dir *
-p11_save_open_directory (const char *path,
-                         int flags)
-{
-#ifdef OS_UNIX
-	struct stat sb;
-#endif
-	p11_save_dir *dir;
-
-	return_val_if_fail (path != NULL, NULL);
-
-#ifdef OS_UNIX
-	/* We update the permissions when we finish writing */
-	if (mkdir (path, S_IRWXU) < 0) {
-#else /* OS_WIN32 */
-	if (mkdir (path) < 0) {
-#endif
-		/* Some random error, report it */
-		if (errno != EEXIST) {
-			p11_message_err (errno, "couldn't create directory: %s", path);
-
-		/* The directory exists and we're not overwriting */
-		} else if (!(flags & P11_SAVE_OVERWRITE)) {
-			p11_message ("directory already exists: %s", path);
-			return NULL;
-		}
-#ifdef OS_UNIX
-		/*
-		 * If the directory exists on unix, we may have restricted
-		 * the directory permissions to read-only. We have to change
-		 * them back to writable in order for things to work.
-		 */
-		if (stat (path, &sb) >= 0) {
-			if ((sb.st_mode & S_IRWXU) != S_IRWXU &&
-			    chmod (path, S_IRWXU | sb.st_mode) < 0) {
-				p11_message_err (errno, "couldn't make directory writable: %s", path);
-				return NULL;
-			}
-		}
-#endif /* OS_UNIX */
-	}
-
-	dir = calloc (1, sizeof (p11_save_dir));
-	return_val_if_fail (dir != NULL, NULL);
-
-	dir->path = strdup (path);
-	return_val_if_fail (dir->path != NULL, NULL);
-
-	dir->cache = p11_dict_new (p11_dict_str_hash, p11_dict_str_equal, free, NULL);
-	return_val_if_fail (dir->cache != NULL, NULL);
-
-	dir->flags = flags;
-	return dir;
-}
-
-static char *
-make_unique_name (const char *bare,
-                  const char *extension,
-                  int (*check) (void *, char *),
-                  void *data)
-{
-	char unique[16];
-	p11_buffer buf;
-	int ret;
-	int i;
-
-	assert (bare != NULL);
-	assert (check != NULL);
-
-	p11_buffer_init_null (&buf, 0);
-
-	for (i = 0; true; i++) {
-
-		p11_buffer_reset (&buf, 64);
-
-		switch (i) {
-
-		/*
-		 * For the first iteration, just build the filename as
-		 * provided by the caller.
-		 */
-		case 0:
-			p11_buffer_add (&buf, bare, -1);
-			break;
-
-		/*
-		 * On later iterations we try to add a numeric .N suffix
-		 * before the extension, so the resulting file might look
-		 * like filename.1.ext.
-		 *
-		 * As a special case if the extension is already '.0' then
-		 * just just keep incerementing that.
-		 */
-		case 1:
-			if (extension && strcmp (extension, ".0") == 0)
-				extension = NULL;
-			/* fall through */
-
-		default:
-			p11_buffer_add (&buf, bare, -1);
-			snprintf (unique, sizeof (unique), ".%d", i);
-			p11_buffer_add (&buf, unique, -1);
-			break;
-		}
-
-		if (extension)
-			p11_buffer_add (&buf, extension, -1);
-
-		return_val_if_fail (p11_buffer_ok (&buf), NULL);
-
-		ret = check (data, buf.data);
-		if (ret < 0)
-			return NULL;
-		else if (ret > 0)
-			return p11_buffer_steal (&buf, NULL);
-	}
-
-	assert_not_reached ();
-}
-
-static int
-on_unique_check_dir (void *data,
-                     char *name)
-{
-	p11_save_dir *dir = data;
-
-	if (!p11_dict_get (dir->cache, name))
-		return 1;
-
-	return 0; /* Keep looking */
-}
-
-p11_save_file *
-p11_save_open_file_in (p11_save_dir *dir,
-                       const char *basename,
-                       const char *extension)
-{
-	p11_save_file *file = NULL;
-	char *name;
-	char *path;
-
-	return_val_if_fail (dir != NULL, NULL);
-	return_val_if_fail (basename != NULL, NULL);
-
-	name = make_unique_name (basename, extension, on_unique_check_dir, dir);
-	return_val_if_fail (name != NULL, NULL);
-
-	if (asprintf (&path, "%s/%s", dir->path, name) < 0)
-		return_val_if_reached (NULL);
-
-	file = p11_save_open_file (path, NULL, dir->flags);
-
-	if (file) {
-		if (!p11_dict_set (dir->cache, name, name))
-			return_val_if_reached (NULL);
-		name = NULL;
-	}
-
-	free (name);
-	free (path);
-
-	return file;
-}
-
-#ifdef OS_UNIX
-
-bool
-p11_save_symlink_in (p11_save_dir *dir,
-                     const char *linkname,
-                     const char *extension,
-                     const char *destination)
-{
-	char *name;
-	char *path;
-	bool ret;
-
-	return_val_if_fail (dir != NULL, false);
-	return_val_if_fail (linkname != NULL, false);
-	return_val_if_fail (destination != NULL, false);
-
-	name = make_unique_name (linkname, extension, on_unique_check_dir, dir);
-	return_val_if_fail (name != NULL, false);
-
-	if (asprintf (&path, "%s/%s", dir->path, name) < 0)
-		return_val_if_reached (false);
-
-	unlink (path);
-
-	if (symlink (destination, path) < 0) {
-		p11_message_err (errno, "couldn't create symlink: %s", path);
-		ret = false;
-	} else {
-		if (!p11_dict_set (dir->cache, name, name))
-			return_val_if_reached (false);
-		name = NULL;
-		ret = true;
-	}
-
-	free (path);
-	free (name);
-
-	return ret;
-}
-
-#endif /* OS_UNIX */
-
-static bool
-cleanup_directory (const char *directory,
-                   p11_dict *cache)
-{
-	struct dirent *dp;
-	struct stat st;
-	p11_dict *remove;
-	p11_dictiter iter;
-	char *path;
-	DIR *dir;
-	bool ret;
-
-	/* First we load all the modules */
-	dir = opendir (directory);
-	if (!dir) {
-		p11_message_err (errno, "couldn't list directory: %s", directory);
-		return false;
-	}
-
-	remove = p11_dict_new (p11_dict_str_hash, p11_dict_str_equal, free, NULL);
-
-	while ((dp = readdir (dir)) != NULL) {
-		if (p11_dict_get (cache, dp->d_name))
-			continue;
-
-		if (asprintf (&path, "%s/%s", directory, dp->d_name) < 0)
-			return_val_if_reached (false);
-
-
-		if (stat (path, &st) >= 0 && !S_ISDIR (st.st_mode)) {
-			if (!p11_dict_set (remove, path, path))
-				return_val_if_reached (false);
-		} else {
-			free (path);
-		}
-	}
-
-	closedir (dir);
-
-	ret = true;
-
-	/* Remove all the files still in the cache */
-	p11_dict_iterate (remove, &iter);
-	while (p11_dict_next (&iter, (void **)&path, NULL)) {
-		if (unlink (path) < 0 && errno != ENOENT) {
-			p11_message_err (errno, "couldn't remove file: %s", path);
-			ret = false;
-			break;
-		}
-	}
-
-	p11_dict_free (remove);
-
-	return ret;
-}
-
-bool
-p11_save_finish_directory (p11_save_dir *dir,
-                           bool commit)
-{
-	bool ret = true;
-
-	if (!dir)
-		return false;
-
-	if (commit) {
-		if (dir->flags & P11_SAVE_OVERWRITE)
-			ret = cleanup_directory (dir->path, dir->cache);
-
-#ifdef OS_UNIX
-		/* Try to set the mode of the directory to readable */
-		if (ret && chmod (dir->path, S_IRUSR | S_IXUSR | S_IRGRP |
-		                             S_IXGRP | S_IROTH | S_IXOTH) < 0) {
-			p11_message_err (errno, "couldn't set directory permissions: %s", dir->path);
-			ret = false;
-		}
-#endif /* OS_UNIX */
-	}
-
-	p11_dict_free (dir->cache);
-	free (dir->path);
-	free (dir);
-
-	return ret;
-}