util/mkhtemp: new utility (hardened mktemp)

part of the same code library as nvmutil.

as part of this, i renamed util/nvmutil
to util/libreboot-utils/ because it is
now a multi-utility codebase.

this is more efficient, since i also wish
to use mkhtemp (function) in nvmutil.

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 0 insertions, 134 deletions

diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
deleted file mode 100644
index 266654e8..00000000
--- a/util/nvmutil/nvmutil.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* SPDX-License-Identifier: MIT
- * Copyright (c) 2022-2026 Leah Rowe <leah@libreboot.org>
- *
- * This tool lets you modify Intel GbE NVM (Gigabit Ethernet
- * Non-Volatile Memory) images, e.g. change the MAC address.
- * These images configure your Intel Gigabit Ethernet adapter.
- */
-
-#ifdef __OpenBSD__
-/* for pledge/unveil test:
- */
-#include <sys/param.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "include/common.h"
-
-int
-main(int argc, char *argv[])
-{
-	struct xstate *x;
-
-	struct commands *cmd;
-	struct xfile *f;
-
-	size_t c;
-
-	int rval;
-	char *test = NULL;
-	int fd = -1;
-	rval = new_tmpdir(&fd, &test);
-	if (rval < 0)
-		err_no_cleanup(errno, "TESTERR: ");
-
-	printf("TEST: %s\n", test);
-	exit(1);
-
-/* https://man.openbsd.org/pledge.2
-   https://man.openbsd.org/unveil.2     */
-#if defined(__OpenBSD__) && defined(OpenBSD)
-#if (OpenBSD) >= 604
-	if (pledge("stdio flock rpath wpath cpath unveil", NULL) == -1)
-		err_no_cleanup(errno, "pledge plus unveil, main");
-	if (unveil("/dev/null", "r") == -1)
-		err_no_cleanup(errno, "unveil r: /dev/null");
-#elif (OpenBSD) >= 509
-	if (pledge("stdio flock rpath wpath cpath", NULL) == -1)
-		err_no_cleanup(errno, "pledge, main");
-#endif
-#endif
-
-#ifndef S_ISREG
-	err_no_cleanup(ECANCELED,
-	    "Can't determine file types (S_ISREG undefined)");
-#endif
-#if ((CHAR_BIT) != 8)
-	err_no_cleanup(ECANCELED, "Unsupported char size");
-#endif
-
-	x = xstart(argc, argv);
-
-	if (x == NULL)
-		err_no_cleanup(ECANCELED, "NULL state on init");
-
-	cmd = &x->cmd[x->i];
-	f = &x->f;
-
-/* https://man.openbsd.org/pledge.2
-   https://man.openbsd.org/unveil.2     */
-#if defined(__OpenBSD__) && defined(OpenBSD)
-#if (OpenBSD) >= 604
-
-	if ((us.cmd[i].flags & O_ACCMODE) == O_RDONLY) {
-		if (unveil(us.f.fname, "r") == -1)
-			err(errno, "%s: unveil r", us.f.fname);
-	} else {
-		if (unveil(us.f.fname, "rwc") == -1)
-			err(errno, "%s: unveil rw", us.f.fname);
-	}
-
-	if (unveil(us.f.tname, "rwc") == -1)
-		err(errno, "unveil rwc: %s", us.f.tname);
-
-	if (unveil(NULL, NULL) == -1)
-		err(errno, "unveil block (rw)");
-
-	if (pledge("stdio flock rpath wpath cpath", NULL) == -1)
-		err(errno, "pledge (kill unveil)");
-
-#elif (OpenBSD) >= 509
-	if (pledge("stdio flock rpath wpath cpath", NULL) == -1)
-		err(errno, "pledge");
-#endif
-#endif
-
-	if (cmd->run == NULL)
-		err(errno, "Command not set");
-
-	open_gbe_file();
-
-	copy_gbe();
-	read_checksums();
-
-	cmd->run();
-
-	for (c = 0; c < items(x->cmd); c++)
-		x->cmd[c].run = cmd_helper_err;
-
-	if ((cmd->flags & O_ACCMODE) == O_RDWR)
-		write_to_gbe_bin();
-
-	if (exit_cleanup() == -1)
-		err(EIO, "%s: close", f->fname);
-
-	if (f->io_err_gbe_bin)
-		err(EIO, "%s: error writing final file");
-
-	if (f->tname != NULL) {
-		free(f->tname);
-		f->tname = NULL;
-	}
-
-	return EXIT_SUCCESS;
-}