From f713884b1766396aab4f0fb75a7cc7b8cb8319bb Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@dell.com>
Date: Tue, 11 Jul 2017 10:35:37 -0500
Subject: [PATCH] create the 'fw' directory on the ESP if it doesn't exist

---
 linux/libfwup.c | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/linux/libfwup.c b/linux/libfwup.c
index 4aa2bf3..d37f644 100644
--- a/linux/libfwup.c
+++ b/linux/libfwup.c
@@ -1177,6 +1177,8 @@ get_existing_media_path(update_info *info)
 static int
 get_fd_and_media_path(update_info *info, char **path)
 {
+	struct stat st;
+	char *directory = NULL;
 	char *fullpath = NULL;
 	int fd = -1;
 	int rc;
@@ -1193,13 +1195,28 @@ get_fd_and_media_path(update_info *info, char **path)
 		}
 	} else {
 		/* fall back to creating a new file from scratch */
-		rc = asprintf(&fullpath,
-			      "/boot/efi/EFI/%s/fw/fwupdate-XXXXXX.cap",
+		rc = asprintf(&directory,
+			      "/boot/efi/EFI/%s/fw",
 			      FWUP_EFI_DIR_NAME);
 		if (rc < 0) {
-			efi_error("asprintf failed");
+			efi_error("asprintf directory failed");
 			return fd;
 		}
+		if (stat(directory, &st) != 0 ||
+		    (st.st_mode & S_IFDIR) == 0) {
+			rc = mkdir(directory, 0775);
+			if (rc < 0) {
+				efi_error("failed to make %s", directory);
+				goto out;
+			}
+		}
+		rc = asprintf(&fullpath,
+			      "%s/fwupdate-XXXXXX.cap",
+			      directory);
+		if (rc < 0) {
+			efi_error("asprintf fullpath failed");
+			goto out;
+		}
 		fd = mkostemps(fullpath, 4, O_CREAT|O_TRUNC|O_CLOEXEC);
 		if (fd < 0) {
 			efi_error("mkostemps(%s) failed", fullpath);
@@ -1213,6 +1230,7 @@ get_fd_and_media_path(update_info *info, char **path)
 		fullpath = NULL;
 	}
 out:
+	free(directory);
 	free(fullpath);
 	return fd;
 }