Re: [PATCH 4/4] qemu: Escape commas for qemuBuildGrapicsSPICECommandLine

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On 06/18/2018 01:57 PM, Anya Harter wrote:
> Add comma escaping for cfg->spiceTLSx509certdir and
> graphics->data.spice.rendernode.
> 
> Signed-off-by: Anya Harter <aharter@xxxxxxxxxx>
> ---
>  src/qemu/qemu_command.c                 | 11 ++++++++---
>  tests/qemuxml2argvdata/name-escape.args |  5 +++--
>  tests/qemuxml2argvdata/name-escape.xml  |  1 +
>  tests/qemuxml2argvtest.c                |  5 +++++
>  4 files changed, 17 insertions(+), 5 deletions(-)
> 
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index a9a5e200e9..36dccea9b2 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -7974,8 +7974,11 @@ qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg,
>          !cfg->spicePassword)
>          virBufferAddLit(&opt, "disable-ticketing,");
>  
> -    if (hasSecure)
> -        virBufferAsprintf(&opt, "x509-dir=%s,", cfg->spiceTLSx509certdir);
> +    if (hasSecure) {
> +        virBufferAddLit(&opt, "x509-dir=");
> +        virQEMUBuildBufferEscapeComma(&opt, cfg->spiceTLSx509certdir);
> +        virBufferAsprintf(&opt, ",");

make syntax-check would have told you:

src/qemu/qemu_command.c:7980:        virBufferAsprintf(&opt, ",");
src/qemu/qemu_command.c:8090:            virBufferAsprintf(&opt, ",");

So here and below, I changed to virBufferAddLit before pushing.

> +    }
>  
>      switch (graphics->data.spice.defaultMode) {
>      case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE:
> @@ -8082,7 +8085,9 @@ qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg,
>                  goto error;
>              }
>  
> -            virBufferAsprintf(&opt, "rendernode=%s,", graphics->data.spice.rendernode);
> +            virBufferAddLit(&opt, "rendernode=");
> +            virQEMUBuildBufferEscapeComma(&opt, graphics->data.spice.rendernode);
> +            virBufferAsprintf(&opt, ",");
>          }
>      }

Reviewed-by: John Ferlan <jferlan@xxxxxxxxxx>

John

>From the last time I passed through this when Sukrit posted patches,
still to do are qemuBuildHostNetStr, qemuBuildDiskThrottling (for group
name), and various qemuBuildNetworkDriveURI, qemuBuildNetworkDriveStr,
and qemuGetDriveSourceString.

[...]

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