[Qemu-devel] [PATCH] qemu-img: add support for --object with 'dd' command

[Qemu-devel] [PATCH] qemu-img: add support for --object with 'dd' command

[Daniel P. Berrange]

The qemu-img dd command added --image-opts support, but missed
the corresponding --object support. This prevented passing
secrets (eg auth passwords) needed by certain disk images.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
---
 qemu-img.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/qemu-img.c b/qemu-img.c
index 6949b73..138e37b 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -3948,6 +3948,7 @@ static int img_dd(int argc, char **argv)
     };
     const struct option long_options[] = {
         { "help", no_argument, 0, 'h'},
+        { "object", required_argument, 0, OPTION_OBJECT},
         { "image-opts", no_argument, 0, OPTION_IMAGE_OPTS},
         { 0, 0, 0, 0 }
     };
@@ -3970,6 +3971,14 @@ static int img_dd(int argc, char **argv)
         case 'h':
             help();
             break;
+        case OPTION_OBJECT: {
+            QemuOpts *opts;
+            opts = qemu_opts_parse_noisily(&qemu_object_opts,
+                                           optarg, true);
+            if (!opts) {
+                return 1;
+            }
+        }   break;
         case OPTION_IMAGE_OPTS:
             image_opts = true;
             break;
@@ -4014,6 +4023,13 @@ static int img_dd(int argc, char **argv)
         ret = -1;
         goto out;
     }
+
+    if (qemu_opts_foreach(&qemu_object_opts,
+                          user_creatable_add_opts_foreach,
+                          NULL, NULL)) {
+        return 1;
+    }
+
     blk1 = img_open(image_opts, in.filename, fmt, 0, false, false);
 
     if (!blk1) {
-- 
2.9.3

Re: [Qemu-devel] [PATCH] qemu-img: add support for --object with 'dd' command

[Eric Blake]

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On 01/03/2017 11:00 AM, Daniel P. Berrange wrote:
> The qemu-img dd command added --image-opts support, but missed
> the corresponding --object support. This prevented passing
> secrets (eg auth passwords) needed by certain disk images.
> 
> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
> ---
>  qemu-img.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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