1 files changed, 162 insertions, 0 deletions
diff --git a/devel/efivar/files/patch-src_efivarfs.c b/devel/efivar/files/patch-src_efivarfs.c
new file mode 100644
index 000000000000..1ca8a549aba8
--- /dev/null
+++ b/devel/efivar/files/patch-src_efivarfs.c
@@ -0,0 +1,162 @@
+--- src/efivarfs.c.orig	2024-01-31 20:08:46 UTC
++++ src/efivarfs.c
+@@ -9,20 +9,32 @@
+ #include <err.h>
+ #include <errno.h>
+ #include <fcntl.h>
+-#include <linux/magic.h>
++#if defined(__linux__)
++#  include <linux/magic.h>
++#endif
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+ #include <sys/mman.h>
+ #include <sys/types.h>
++#include <sys/param.h>
++#include <sys/mount.h>
+ #include <sys/stat.h>
+ #include <sys/uio.h>
+-#include <sys/vfs.h>
++#if defined(__linux__)
++#  include <sys/vfs.h>
++#endif
+ #include <unistd.h>
+ 
++#if defined(__FreeBSD__)
++#  undef LIST_HEAD
++#endif
++
+ #include "efivar.h"
+ 
+-#include <linux/fs.h>
++#if defined(__linux__)
++#  include <linux/fs.h>
++#endif
+ 
+ #ifndef EFIVARFS_MAGIC
+ #  define EFIVARFS_MAGIC 0xde5e81e4
+@@ -102,6 +114,7 @@ efivarfs_set_fd_immutable(int fd, int immutable)
+ static int
+ efivarfs_set_fd_immutable(int fd, int immutable)
+ {
++#if defined(__linux__)
+ 	unsigned int flags;
+ 	int rc = 0;
+ 
+@@ -124,11 +137,42 @@ efivarfs_set_fd_immutable(int fd, int immutable)
+ 	}
+ 
+ 	return rc;
++#elif defined(__FreeBSD__)
++	struct stat sb;
++	int rc = 0;
++	unsigned long flags;
++
++	if (fstat(fd, &sb) == -1) {
++		if (errno == EBADF)
++			rc = 0;
++		else
++			efi_error("fstat(%d) failed", fd);
++		return rc;
++	}
++
++	flags = sb.st_flags;
++
++	if ((immutable && !(flags & UF_IMMUTABLE)) ||
++	    (!immutable && (flags & UF_IMMUTABLE))) {
++		if (immutable)
++			flags |= UF_IMMUTABLE;
++		else
++			flags &= ~UF_IMMUTABLE;
++
++		if (chflagsat(fd, "", flags, AT_EMPTY_PATH) == -1) {
++			efi_error("chflagsat(%d) failed\n", fd);
++			rc = -1;
++		}
++	}
++
++	return rc;
++#endif
+ }
+ 
+ static int
+ efivarfs_make_fd_mutable(int fd, unsigned long *orig_attrs)
+ {
++#if defined(__linux__)
+ 	unsigned long mutable_attrs = 0;
+ 
+ 	*orig_attrs = 0;
+@@ -145,6 +189,26 @@ efivarfs_make_fd_mutable(int fd, unsigned long *orig_a
+ 		return -1;
+ 
+ 	return 0;
++#elif defined(__FreeBSD__)
++	struct stat sb;
++
++	*orig_attrs = 0;
++
++	if (fstat(fd, &sb) == -1)
++		return -1;
++
++	*orig_attrs = sb.st_flags;
++
++	// if the file is not immutable, nothing to do
++	if ((sb.st_flags & UF_IMMUTABLE) == 0)
++		return 0;
++
++	// remove user immutable flag
++	if (chflagsat(fd, "", sb.st_flags & ~UF_IMMUTABLE, AT_EMPTY_PATH) == -1)
++		return -1;
++
++	return 0;
++#endif
+ }
+ 
+ static int
+@@ -375,10 +439,17 @@ efivarfs_set_variable(efi_guid_t guid, const char *nam
+ 			goto err;
+ 		}
+ 
++#if defined(__linux__)
+ 		/* if the file is indeed immutable, clear and remember it */
+ 		if (efivarfs_make_fd_mutable(rfd, &orig_attrs) == 0 &&
+ 		    (orig_attrs & FS_IMMUTABLE_FL))
+ 			restore_immutable_fd = rfd;
++#elif defined(__FreeBSD__)
++		/* if the file is indeed immutable, clear and remember it */
++		if (efivarfs_make_fd_mutable(rfd, &orig_attrs) == 0 &&
++		    (orig_attrs & UF_IMMUTABLE))
++			restore_immutable_fd = rfd;
++#endif
+ 	}
+ 
+ 	/*
+@@ -414,9 +485,15 @@ efivarfs_set_variable(efi_guid_t guid, const char *nam
+ 	 * immediately, and the write() below would fail otherwise.
+ 	 */
+ 	if (rfd == -1) {
++#if defined(__linux__)
+ 		if (efivarfs_make_fd_mutable(wfd, &orig_attrs) == 0 &&
+ 		    (orig_attrs & FS_IMMUTABLE_FL))
+ 			restore_immutable_fd = wfd;
++#elif defined(__FreeBSD__)
++		if (efivarfs_make_fd_mutable(wfd, &orig_attrs) == 0 &&
++		    (orig_attrs & UF_IMMUTABLE))
++			restore_immutable_fd = wfd;
++#endif
+ 	} else {
+ 		/* make sure rfd and wfd refer to the same file */
+ 		struct stat wfd_stat;
+@@ -452,7 +529,11 @@ err:
+ 	if (ret == -1 && rfd == -1 && wfd != -1 && unlink(path) == -1)
+ 		efi_error("failed to unlink %s", path);
+ 
++#if defined(__linux__)
+ 	ioctl(restore_immutable_fd, FS_IOC_SETFLAGS, &orig_attrs);
++#elif defined(__FreeBSD__)
++	chflagsat(restore_immutable_fd, "", orig_attrs, AT_EMPTY_PATH);
++#endif
+ 
+ 	if (wfd >= 0)
+ 		close(wfd);