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authorMarkus Armbruster <armbru@redhat.com>2018-07-03 10:53:37 +0200
committerMarkus Armbruster <armbru@redhat.com>2018-07-03 23:18:56 +0200
commit674ed7228f03150d15703961ea2a59cd744f3beb (patch)
treeed42dce070bd3934e6b9358d1391e29a0be3ff03 /qapi/qmp-dispatch.c
parentd4d7ed731ce47d10ea2a17d663cec42fc0c7d925 (diff)
downloadfocaccia-qemu-674ed7228f03150d15703961ea2a59cd744f3beb.tar.gz
focaccia-qemu-674ed7228f03150d15703961ea2a59cd744f3beb.zip
qmp qemu-ga: Fix qemu-ga not to accept "control"
Commit cf869d53172 "qmp: support out-of-band (oob) execution"
accidentally made qemu-ga accept and ignore "control".  Fix that.

Out-of-band execution in a monitor that doesn't support it now fails
with

    {"error": {"class": "GenericError", "desc": "QMP input member 'control' is unexpected"}}

instead of

    {"error": {"class": "GenericError", "desc": "Please enable out-of-band first for the session during capabilities negotiation"}}

The old description is suboptimal when out-of-band cannot not be
enabled, or the command doesn't support out-of-band execution.

The new description is a bit unspecific, but it'll do.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180703085358.13941-12-armbru@redhat.com>
Diffstat (limited to 'qapi/qmp-dispatch.c')
-rw-r--r--qapi/qmp-dispatch.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
index 3d5d5e110f..0ad0fab8ed 100644
--- a/qapi/qmp-dispatch.c
+++ b/qapi/qmp-dispatch.c
@@ -20,7 +20,8 @@
 #include "qapi/qmp/qbool.h"
 #include "sysemu/sysemu.h"
 
-QDict *qmp_dispatch_check_obj(const QObject *request, Error **errp)
+QDict *qmp_dispatch_check_obj(const QObject *request, bool allow_oob,
+                              Error **errp)
 {
     const QDictEntry *ent;
     const char *arg_name;
@@ -52,7 +53,7 @@ QDict *qmp_dispatch_check_obj(const QObject *request, Error **errp)
                            "QMP input member 'arguments' must be an object");
                 return NULL;
             }
-        } else if (!strcmp(arg_name, "control")) {
+        } else if (!strcmp(arg_name, "control") && allow_oob) {
             if (qobject_type(arg_obj) != QTYPE_QDICT) {
                 error_setg(errp,
                            "QMP input member 'control' must be a dict");
@@ -74,7 +75,7 @@ QDict *qmp_dispatch_check_obj(const QObject *request, Error **errp)
 }
 
 static QObject *do_qmp_dispatch(QmpCommandList *cmds, QObject *request,
-                                Error **errp)
+                                bool allow_oob, Error **errp)
 {
     Error *local_err = NULL;
     const char *command;
@@ -82,7 +83,7 @@ static QObject *do_qmp_dispatch(QmpCommandList *cmds, QObject *request,
     QmpCommand *cmd;
     QObject *ret = NULL;
 
-    dict = qmp_dispatch_check_obj(request, errp);
+    dict = qmp_dispatch_check_obj(request, allow_oob, errp);
     if (!dict) {
         return NULL;
     }
@@ -157,13 +158,14 @@ bool qmp_is_oob(QDict *dict)
     return qbool_get_bool(bool_obj);
 }
 
-QObject *qmp_dispatch(QmpCommandList *cmds, QObject *request)
+QObject *qmp_dispatch(QmpCommandList *cmds, QObject *request,
+                      bool allow_oob)
 {
     Error *err = NULL;
     QObject *ret;
     QDict *rsp;
 
-    ret = do_qmp_dispatch(cmds, request, &err);
+    ret = do_qmp_dispatch(cmds, request, allow_oob, &err);
 
     rsp = qdict_new();
     if (err) {