/*
 * Copyright (c) 2014  Roy Keene
 * Copyright (c) 2014, 2015  Roy Keene
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

	}

	return(ctx->uid);
}

/*
 * Determine the GID for the user making the current FUSE filesystem request.
 * This will be used to lookup the user's home directory so we can search for
 * locally modified files.
 */
static gid_t appfs_get_fsgid(void) {
	struct fuse_context *ctx;

	if (!appfs_fuse_started) {
		return(getgid());
	}

		APPFS_DEBUG("error: open failed");

		return(errno * -1);
	}

	fi->fh = fh;

	APPFS_DEBUG("Opened \"%s\" (for \"%s\") with file descriptor %i", real_path, path, fh);

	return(0);
}

static int appfs_fuse_close(const char *path, struct fuse_file_info *fi) {
	int close_ret;

	appfs_get_path_info_cache_rm(path, appfs_get_fsuid());

	return(0);
}

static int appfs_fuse_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi) {
	ssize_t read_ret;
	int retval;

	APPFS_DEBUG("Enter (path = %s, buf, %lli, %lli, fd=%lli)", path, (long long) size, (long long) offset, (long long) fi->fh);
	APPFS_DEBUG("Enter (path = %s, buf, size = %lli, offset = %lli, fd = %lli)", path, (long long) size, (long long) offset, (long long) fi->fh);

	retval = 0;

	while (size != 0) {
		read_ret = pread(fi->fh, buf, size, offset);

		if (read_ret < 0) {

#else
	appfs_threaded_tcl = 0;
#endif

	/**
	 ** Add FUSE arguments which we always supply
	 **/
	fuse_opt_add_arg(args, "-odefault_permissions,fsname=appfs,subtype=appfsd,use_ino,direct_io,entry_timeout=0,attr_timeout=0,big_writes,intr,hard_remove");
	fuse_opt_add_arg(args, "-odefault_permissions,fsname=appfs,subtype=appfsd,use_ino,entry_timeout=0,attr_timeout=0,big_writes,intr,hard_remove");

	if (getuid() == 0) {
		fuse_opt_parse(args, NULL, NULL, NULL);
		fuse_opt_add_arg(args, "-oallow_other");

		/*
		 * This should generally be avoided, but if there are security

						APPFS_DEBUG("Passing option to FUSE: -s");

						fuse_opt_parse(args, NULL, NULL, NULL);
						fuse_opt_add_arg(args, "-s");

						appfs_threaded_tcl = 0;
					} else if (strcmp(optstr, "allow_other") == 0) {
						APPFS_DEBUG("Passing option to FUSE: -o allow_Other");
						APPFS_DEBUG("Passing option to FUSE: -o allow_other");

						fuse_opt_parse(args, NULL, NULL, NULL);
						fuse_opt_add_arg(args, "-oallow_other");
					} else if (strcmp(optstr, "rw") == 0) {
						/* Ignored */
					} else {
						fprintf(stderr, "appfsd: invalid option: \"-o %s\"\n", optstr);