Merge tag 'upstream/15.8' into buster/updates

Upstream version 15.8

1 files changed, 12 insertions, 4 deletions

diff --git a/httpboot.c b/httpboot.c
index dfa493bf..ac9ea25c 100644
--- a/httpboot.c
+++ b/httpboot.c
@@ -578,7 +578,13 @@ receive_http_response(EFI_HTTP_PROTOCOL *http, VOID **buffer, UINT64 *buf_size)
 	}
 
 	if (*buf_size == 0) {
-		perror(L"Failed to get Content-Lenght\n");
+		perror(L"Failed to get Content-Length\n");
+		goto error;
+	}
+
+	if (*buf_size < rx_message.BodyLength) {
+		efi_status = EFI_BAD_BUFFER_SIZE;
+		perror(L"Invalid Content-Length\n");
 		goto error;
 	}
 
@@ -713,18 +719,20 @@ error:
 }
 
 EFI_STATUS
-httpboot_fetch_buffer (EFI_HANDLE image, VOID **buffer, UINT64 *buf_size)
+httpboot_fetch_buffer (EFI_HANDLE image, VOID **buffer, UINT64 *buf_size,
+		CHAR8 *name)
 {
 	EFI_STATUS efi_status;
 	EFI_HANDLE nic;
-	CHAR8 next_loader[sizeof DEFAULT_LOADER_CHAR];
+	CHAR8 *next_loader;
 	CHAR8 *next_uri = NULL;
 	CHAR8 *hostname = NULL;
 
 	if (!uri)
 		return EFI_NOT_READY;
 
-	translate_slashes(next_loader, DEFAULT_LOADER_CHAR);
+	next_loader = (CHAR8 *)AllocatePool((strlen(name) + 1) * sizeof (CHAR8));
+	translate_slashes(next_loader, name);
 
 	/* Create the URI for the next loader based on the original URI */
 	efi_status = generate_next_uri(uri, next_loader, &next_uri);