Re: [PATCH v2 3/3] ui: remove deprecated 'password' option for SPICE

[Fabiano Rosas <farosas@suse.de>]

Daniel P. Berrangé <berrange@redhat.com> writes:

> This has been replaced by the 'password-secret' option,
> which references a 'secret' object instance.
>
> Reviewed-by: Markus Armbruster <armbru@redhat.com>
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

Reviewed-by: Fabiano Rosas <farosas@suse.de>

Just a small detail below.

> ---
>  docs/about/deprecated.rst       |  8 --------
>  docs/about/removed-features.rst |  7 +++++++
>  qemu-options.hx                 |  9 +--------
>  ui/spice-core.c                 | 15 ---------------
>  4 files changed, 8 insertions(+), 31 deletions(-)
>
> diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
> index daf2334040..8fbe7cb5fe 100644
> --- a/docs/about/deprecated.rst
> +++ b/docs/about/deprecated.rst
> @@ -73,14 +73,6 @@ Input parameters that take a size value should only use a size suffix
>  the value is hexadecimal.  That is, '0x20M' is deprecated, and should
>  be written either as '32M' or as '0x2000000'.
>  
> -``-spice password=string`` (since 6.0)
> -''''''''''''''''''''''''''''''''''''''
> -
> -This option is insecure because the SPICE password remains visible in
> -the process listing. This is replaced by the new ``password-secret``
> -option which lets the password be securely provided on the command
> -line using a ``secret`` object instance.
> -
>  ``-smp`` ("parameter=0" SMP configurations) (since 6.2)
>  '''''''''''''''''''''''''''''''''''''''''''''''''''''''
>  
> diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
> index 63df9848fd..2cbb1b7afe 100644
> --- a/docs/about/removed-features.rst
> +++ b/docs/about/removed-features.rst
> @@ -408,6 +408,13 @@ pcspk-audiodev=<name>``.
>  
>  Use ``-device`` instead.
>  
> +``-spice password=string`` (removed in 8.0)
> +'''''''''''''''''''''''''''''''''''''''''''
> +
> +This optionwas insecure because the SPICE password remained visible in

Missing a space here.

> +the process listing. This was replaced by the new ``password-secret``
> +option which lets the password be securely provided on the command
> +line using a ``secret`` object instance.
>  
>  QEMU Machine Protocol (QMP) commands
>  ------------------------------------
> diff --git a/qemu-options.hx b/qemu-options.hx
> index 58efb58072..847d71e567 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -2132,7 +2132,7 @@ DEF("spice", HAS_ARG, QEMU_OPTION_spice,
>      "       [,tls-channel=[main|display|cursor|inputs|record|playback]]\n"
>      "       [,plaintext-channel=[main|display|cursor|inputs|record|playback]]\n"
>      "       [,sasl=on|off][,disable-ticketing=on|off]\n"
> -    "       [,password=<string>][,password-secret=<secret-id>]\n"
> +    "       [,password-secret=<secret-id>]\n"
>      "       [,image-compression=[auto_glz|auto_lz|quic|glz|lz|off]]\n"
>      "       [,jpeg-wan-compression=[auto|never|always]]\n"
>      "       [,zlib-glz-wan-compression=[auto|never|always]]\n"
> @@ -2158,13 +2158,6 @@ SRST
>      ``ipv4=on|off``; \ ``ipv6=on|off``; \ ``unix=on|off``
>          Force using the specified IP version.
>  
> -    ``password=<string>``
> -        Set the password you need to authenticate.
> -
> -        This option is deprecated and insecure because it leaves the
> -        password visible in the process listing. Use ``password-secret``
> -        instead.
> -
>      ``password-secret=<secret-id>``
>          Set the ID of the ``secret`` object containing the password
>          you need to authenticate.
> diff --git a/ui/spice-core.c b/ui/spice-core.c
> index 72f8f1681c..76f7c2bc3d 100644
> --- a/ui/spice-core.c
> +++ b/ui/spice-core.c
> @@ -412,9 +412,6 @@ static QemuOptsList qemu_spice_opts = {
>              .name = "unix",
>              .type = QEMU_OPT_BOOL,
>  #endif
> -        },{
> -            .name = "password",
> -            .type = QEMU_OPT_STRING,
>          },{
>              .name = "password-secret",
>              .type = QEMU_OPT_STRING,
> @@ -666,20 +663,8 @@ static void qemu_spice_init(void)
>      }
>      passwordSecret = qemu_opt_get(opts, "password-secret");
>      if (passwordSecret) {
> -        if (qemu_opt_get(opts, "password")) {
> -            error_report("'password' option is mutually exclusive with "
> -                         "'password-secret'");
> -            exit(1);
> -        }
>          password = qcrypto_secret_lookup_as_utf8(passwordSecret,
>                                                   &error_fatal);
> -    } else {
> -        str = qemu_opt_get(opts, "password");
> -        if (str) {
> -            warn_report("'password' option is deprecated and insecure, "
> -                        "use 'password-secret' instead");
> -            password = g_strdup(str);
> -        }
>      }
>  
>      if (tls_port) {