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[Qemu-block] [PATCH v2 09/17] qemu-img/qemu-io: don't prompt for passwor


From: Daniel P. Berrange
Subject: [Qemu-block] [PATCH v2 09/17] qemu-img/qemu-io: don't prompt for passwords if not required
Date: Wed, 20 Jan 2016 17:38:51 +0000

The qemu-img/qemu-io tools prompt for disk encryption passwords
regardless of whether any are actually required. Adding a check
on bdrv_key_required() avoids this prompt for disk formats which
have been converted to the QCryptoSecret APIs.

This is just a temporary hack to ensure the block I/O tests
continue to work after each patch, since the last patch will
completely delete all the password prompting code.

Signed-off-by: Daniel P. Berrange <address@hidden>
---
 qemu-img.c | 3 ++-
 qemu-io.c  | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/qemu-img.c b/qemu-img.c
index e79f29b..faf4dbd 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -287,7 +287,8 @@ static BlockBackend *img_open_file(const char *id, const 
char *filename,
     }
 
     bs = blk_bs(blk);
-    if (bdrv_is_encrypted(bs) && !(flags & BDRV_O_NO_IO)) {
+    if (bdrv_is_encrypted(bs) && bdrv_key_required(bs) &&
+        !(flags & BDRV_O_NO_IO)) {
         qprintf(quiet, "Disk image '%s' is encrypted.\n", filename);
         if (qemu_read_password(password, sizeof(password)) < 0) {
             error_report("No password given");
diff --git a/qemu-io.c b/qemu-io.c
index 1c20e9b..98b5cc2 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -72,7 +72,7 @@ static int openfile(char *name, int flags, QDict *opts)
     }
 
     bs = blk_bs(qemuio_blk);
-    if (bdrv_is_encrypted(bs)) {
+    if (bdrv_is_encrypted(bs) && bdrv_key_required(bs)) {
         char password[256];
         printf("Disk image '%s' is encrypted.\n", name);
         if (qemu_read_password(password, sizeof(password)) < 0) {
-- 
2.5.0




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