lbutils: remove xpledge/xunveil, just call them direct

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

util/libreboot-utils/include/common.h

@@ -357,8 +357,6 @@ void write_mac_part(size_t partnum);
 
 size_t page_remain(const void *p);
 long pagesize(void);
-int xunveilx(const char *path, const char *permissions);
-int xpledgex(const char *promises, const char *execpromises);
 char *smalloc(char **buf, size_t size);
 void *vmalloc(void **buf, size_t size);
 size_t slen(const char *scmp, size_t maxlen,

util/libreboot-utils/lib/string.c

@@ -620,32 +620,3 @@ lbsetprogname(char *argv0)
 
 	return progname;
 }
-
-/* https://man.openbsd.org/pledge.2
-   https://man.openbsd.org/unveil.2     */
-int
-xpledgex(const char *promises, const char *execpromises)
-{
-	int saved_errno = errno;
-	(void) promises, (void) execpromises, (void) saved_errno;
-	errno = 0;
-#ifdef __OpenBSD__
-	if (pledge(promises, execpromises) == -1)
-		exitf("pledge");
-#endif
-	reset_caller_errno(0);
-	return 0;
-}
-int
-xunveilx(const char *path, const char *permissions)
-{
-	int saved_errno = errno;
-	(void) path, (void) permissions, (void) saved_errno;
-	errno = 0;
-#ifdef __OpenBSD__
-	if (pledge(promises, execpromises) == -1)
-		exitf("pledge");
-#endif
-	reset_caller_errno(0);
-	return 0;
-}

util/libreboot-utils/lottery.c

@@ -24,8 +24,11 @@ main(int argc, char **argv)
 	(void) errhook(exit_cleanup);
 	(void) lbsetprogname(argv[0]);
 
+#ifdef __OpenBSD__
 	/* https://man.openbsd.org/pledge.2 */
-	xpledgex("stdio", NULL);
+	if (pledge("stdio", NULL) == -1)
+		exitf("pledge");
+#endif
 
 	buf = rmalloc(size);
 	if (!vcmp(buf, buf + (size >> 1), size >> 1))

util/libreboot-utils/mkhtemp.c

@@ -59,8 +59,11 @@ main(int argc, char *argv[])
 	(void) errhook(exit_cleanup);
 	(void) lbsetprogname(argv[0]);
 
+#ifdef __OpenBSD__
 	/* https://man.openbsd.org/pledge.2 */
-	xpledgex("stdio flock rpath wpath cpath", NULL);
+	if (pledge("stdio flock rpath wpath cpath", NULL) == -1)
+		exitf("pledge");
+#endif
 
 	while ((c =
 	    getopt(argc, argv, "qdp:")) != -1) {
@@ -117,7 +120,10 @@ main(int argc, char *argv[])
 	    tmpdir, template) < 0)
 		exitf("%s", s);
 
-	xpledgex("stdio", NULL);
+#ifdef __OpenBSD__
+	if (pledge("stdio", NULL) == -1)
+		exitf("pledge");
+#endif
 
 	if (s == NULL)
 		exitf("bad string initialisation");

util/libreboot-utils/nvmutil.c

@@ -38,10 +38,14 @@ main(int argc, char *argv[])
 
 	(void) errhook(exit_cleanup);
 
+#ifdef __OpenBSD
 	/* https://man.openbsd.org/pledge.2 */
 	/* https://man.openbsd.org/unveil.2 */
-	xpledgex("stdio flock rpath wpath cpath unveil", NULL);
+	if (pledge("stdio flock rpath wpath cpath unveil", NULL) == -1)
-	xunveilx("/dev/urandom", "r");
+		exitf("pledge");
+	if (unveil("/dev/urandom", "r") == -1)
+		exitf("unveil");
+#endif	
 
 #ifndef S_ISREG
 	exitf(
@@ -62,14 +66,22 @@ main(int argc, char *argv[])
 	cmd = &x->cmd[x->i];
 	f = &x->f;
 
-	if ((cmd->flags & O_ACCMODE) == O_RDONLY)
+#ifdef __OpenBSD__
-		xunveilx(f->fname, "r");
+	if ((cmd->flags & O_ACCMODE) == O_RDONLY) {
-	else
+		if (unveil(f->fname, "r") == -1)
-		xunveilx(f->fname, "rwc");
+			exitf("unveil");
+	} else {
+		if (unveil(f->fname, "rwc") == -1)
+			exitf("unveil");
+	}
 
-	xunveilx(f->tname, "rwc");
+	if (unveil(f->tname, "rwc") == -1)
-	xunveilx(NULL, NULL);
+		exitf("unveil");
-	xpledgex("stdio flock rpath wpath cpath", NULL);
+	if (unveil(NULL, NULL) == -1)
+		exitf("unveil");
+	if (pledge("stdio flock rpath wpath cpath", NULL) == -1)
+		exitf("pledge");
+#endif
 
 	if (cmd->run == NULL)
 		exitf("Command not set");