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Re: [Qemu-devel] [PATCH v2] Add SPICE support to add_client monitor comm
From: |
Luiz Capitulino |
Subject: |
Re: [Qemu-devel] [PATCH v2] Add SPICE support to add_client monitor command |
Date: |
Fri, 10 Feb 2012 15:38:52 -0200 |
On Tue, 7 Feb 2012 14:38:40 +0000
"Daniel P. Berrange" <address@hidden> wrote:
> From: "Daniel P. Berrange" <address@hidden>
>
> This is a followup to
>
> http://patchwork.ozlabs.org/patch/121004/
>
> With the acceptance of some new APIs to libspice-server.so it
> is possible to add support for SPICE to the 'add_client'
> monitor command, bringing parity with VNC. Since SPICE can
> use TLS or plain connections, the command also gains a new
> 'tls' parameter to specify whether TLS should be attempted
> on the injected client sockets.
>
> This new feature is only enabled if building against a
> libspice-server >= 0.10.1
>
> * qmp-commands.hx: Add 'tls' parameter & missing doc for
> 'skipauth' parameter
> * monitor.c: Wire up SPICE for 'add_client' command
> * ui/qemu-spice.h, ui/spice-core.c: Add qemu_spice_display_add_client
> API to wire up from monitor
>
> [1]
> http://cgit.freedesktop.org/spice/spice/commit/server/spice.h?id=d55b68b6b44f2499278fa860fb47ff22f5011faa
>
> http://cgit.freedesktop.org/spice/spice/commit/server/spice.h?id=bd07dde530d9504e1cfe7ed5837fc00c26f36716
>
> Signed-off-by: Daniel P. Berrange <address@hidden>
> ---
> monitor.c | 9 +++++++--
> qmp-commands.hx | 6 ++++--
> ui/qemu-spice.h | 1 +
> ui/spice-core.c | 13 +++++++++++++
> 4 files changed, 25 insertions(+), 4 deletions(-)
>
> diff --git a/monitor.c b/monitor.c
> index aadbdcb..0d4daad 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -823,13 +823,18 @@ static int add_graphics_client(Monitor *mon, const
> QDict *qdict, QObject **ret_d
> CharDriverState *s;
>
> if (strcmp(protocol, "spice") == 0) {
> + int fd = monitor_get_fd(mon, fdname);
> + int skipauth = qdict_get_try_bool(qdict, "skipauth", 0);
> + int tls = qdict_get_try_bool(qdict, "tls", 0);
> if (!using_spice) {
> /* correct one? spice isn't a device ,,, */
> qerror_report(QERR_DEVICE_NOT_ACTIVE, "spice");
> return -1;
> }
> - qerror_report(QERR_ADD_CLIENT_FAILED);
> - return -1;
> + if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
> + close(fd);
> + }
> + return 0;
> #ifdef CONFIG_VNC
> } else if (strcmp(protocol, "vnc") == 0) {
> int fd = monitor_get_fd(mon, fdname);
> diff --git a/qmp-commands.hx b/qmp-commands.hx
> index b5e2ab8..82625c8 100644
> --- a/qmp-commands.hx
> +++ b/qmp-commands.hx
> @@ -910,8 +910,8 @@ EQMP
>
> {
> .name = "add_client",
> - .args_type = "protocol:s,fdname:s,skipauth:b?",
> - .params = "protocol fdname skipauth",
> + .args_type = "protocol:s,fdname:s,skipauth:b?,tls:b?",
> + .params = "protocol fdname skipauth tls",
> .help = "add a graphics client",
> .user_print = monitor_user_noop,
> .mhandler.cmd_new = add_graphics_client,
> @@ -927,6 +927,8 @@ Arguments:
>
> - "protocol": protocol name (json-string)
> - "fdname": file descriptor name (json-string)
> +- "skipauth": whether to skip authentication (json-bool)
> +- "tls": whether to perform TLS (json-bool)
Please, mark them as optionals "(json-bool, optional)"
>
> Example:
>
> diff --git a/ui/qemu-spice.h b/ui/qemu-spice.h
> index c35b29c..8932771 100644
> --- a/ui/qemu-spice.h
> +++ b/ui/qemu-spice.h
> @@ -33,6 +33,7 @@ void qemu_spice_init(void);
> void qemu_spice_input_init(void);
> void qemu_spice_audio_init(void);
> void qemu_spice_display_init(DisplayState *ds);
> +int qemu_spice_display_add_client(int csock, int skipauth, int tls);
You also have to add this to the #else /* CONFIG_SPICE */ clause otherwise
it breaks the build when not building spice support.
> int qemu_spice_add_interface(SpiceBaseInstance *sin);
> int qemu_spice_set_passwd(const char *passwd,
> bool fail_if_connected, bool
> disconnect_if_connected);
> diff --git a/ui/spice-core.c b/ui/spice-core.c
> index 5639c6f..d98863e 100644
> --- a/ui/spice-core.c
> +++ b/ui/spice-core.c
> @@ -747,6 +747,19 @@ int qemu_spice_set_pw_expire(time_t expires)
> return qemu_spice_set_ticket(false, false);
> }
>
> +int qemu_spice_display_add_client(int csock, int skipauth, int tls)
> +{
> +#if SPICE_SERVER_VERSION >= 0x000a01
> + if (tls) {
> + return spice_server_add_ssl_client(spice_server, csock, skipauth);
> + } else {
> + return spice_server_add_client(spice_server, csock, skipauth);
> + }
> +#else
> + return -1;
> +#endif
> +}
> +
> static void spice_register_config(void)
> {
> qemu_add_opts(&qemu_spice_opts);