qapi: Convert expire_password

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

console.h

@@ -4,7 +4,6 @@
 #include "qemu-char.h"
 #include "qdict.h"
 #include "notify.h"
-#include "qerror.h"
 #include "monitor.h"
 
 /* keyboard/mouse support */
@@ -388,7 +387,6 @@ static inline int vnc_display_password(DisplayState *ds, const char *password)
 }
 static inline int vnc_display_pw_expire(DisplayState *ds, time_t expires)
 {
-    qerror_report(QERR_FEATURE_DISABLED, "vnc");
     return -ENODEV;
 };
 #endif

hmp-commands.hx

@@ -1239,8 +1239,7 @@ ETEXI
         .args_type  = "protocol:s,time:s",
         .params     = "protocol time",
         .help       = "set spice/vnc password expire-time",
-        .user_print = monitor_user_noop,
+        .mhandler.cmd = hmp_expire_password,
-        .mhandler.cmd_new = expire_password,
     },
 
 STEXI

hmp.c

@@ -692,3 +692,13 @@ void hmp_set_password(Monitor *mon, const QDict *qdict)
     qmp_set_password(protocol, password, !!connected, connected, &err);
     hmp_handle_error(mon, &err);
 }
+
+void hmp_expire_password(Monitor *mon, const QDict *qdict)
+{
+    const char *protocol  = qdict_get_str(qdict, "protocol");
+    const char *whenstr = qdict_get_str(qdict, "time");
+    Error *err = NULL;
+
+    qmp_expire_password(protocol, whenstr, &err);
+    hmp_handle_error(mon, &err);
+}

hmp.h

@@ -50,5 +50,6 @@ void hmp_migrate_cancel(Monitor *mon, const QDict *qdict);
 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict);
 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict);
 void hmp_set_password(Monitor *mon, const QDict *qdict);
+void hmp_expire_password(Monitor *mon, const QDict *qdict);
 
 #endif

monitor.c

@@ -884,45 +884,6 @@ static int do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
     return ret;
 }
 
-static int expire_password(Monitor *mon, const QDict *qdict, QObject **ret_data)
-{
-    const char *protocol  = qdict_get_str(qdict, "protocol");
-    const char *whenstr = qdict_get_str(qdict, "time");
-    time_t when;
-    int rc;
-
-    if (strcmp(whenstr, "now") == 0) {
-        when = 0;
-    } else if (strcmp(whenstr, "never") == 0) {
-        when = TIME_MAX;
-    } else if (whenstr[0] == '+') {
-        when = time(NULL) + strtoull(whenstr+1, NULL, 10);
-    } else {
-        when = strtoull(whenstr, NULL, 10);
-    }
-
-    if (strcmp(protocol, "spice") == 0) {
-        if (!using_spice) {
-            /* correct one? spice isn't a device ,,, */
-            qerror_report(QERR_DEVICE_NOT_ACTIVE, "spice");
-            return -1;
-        }
-        rc = qemu_spice_set_pw_expire(when);
-        if (rc != 0) {
-            qerror_report(QERR_SET_PASSWD_FAILED);
-            return -1;
-        }
-        return 0;
-    }
-
-    if (strcmp(protocol, "vnc") == 0) {
-        return vnc_display_pw_expire(NULL, when);
-    }
-
-    qerror_report(QERR_INVALID_PARAMETER, "protocol");
-    return -1;
-}
-
 static int add_graphics_client(Monitor *mon, const QDict *qdict, QObject **ret_data)
 {
     const char *protocol  = qdict_get_str(qdict, "protocol");

qapi-schema.json

@@ -1304,3 +1304,30 @@
 ##
 { 'command': 'set_password',
   'data': {'protocol': 'str', 'password': 'str', '*connected': 'str'} }
+
+##
+# @expire_password:
+#
+# Expire the password of a remote display server.
+#
+# @protocol: the name of the remote display protocol `vnc' or `spice'
+#
+# @time: when to expire the password.
+#        `now' to expire the password immediately
+#        `never' to cancel password expiration
+#        `+INT' where INT is the number of seconds from now (integer)
+#        `INT' where INT is the absolute time in seconds
+#
+# Returns: Nothing on success
+#          If @protocol is `spice' and Spice is not active, DeviceNotFound
+#          If an error occurs setting password expiration, SetPasswdFailed
+#          If @protocol is not `spice' or 'vnc', InvalidParameter
+#
+# Since: 0.14.0
+#
+# Notes: Time is relative to the server and currently there is no way to
+#        coordinate server time with client time.  It is not recommended to
+#        use the absolute time version of the @time parameter unless you're
+#        sure you are on the same machine as the QEMU instance.
+##
+{ 'command': 'expire_password', 'data': {'protocol': 'str', 'time': 'str'} }

qmp-commands.hx

@@ -877,10 +877,7 @@ EQMP
     {
         .name       = "expire_password",
         .args_type  = "protocol:s,time:s",
-        .params     = "protocol time",
+        .mhandler.cmd_new = qmp_marshal_input_expire_password,
-        .help       = "set spice/vnc password expire-time",
-        .user_print = monitor_user_noop,
-        .mhandler.cmd_new = expire_password,
     },
 
 SQMP

qmp.c

@@ -303,3 +303,43 @@ void qmp_set_password(const char *protocol, const char *password,
 
     error_set(errp, QERR_INVALID_PARAMETER, "protocol");
 }
+
+void qmp_expire_password(const char *protocol, const char *whenstr,
+                         Error **errp)
+{
+    time_t when;
+    int rc;
+
+    if (strcmp(whenstr, "now") == 0) {
+        when = 0;
+    } else if (strcmp(whenstr, "never") == 0) {
+        when = TIME_MAX;
+    } else if (whenstr[0] == '+') {
+        when = time(NULL) + strtoull(whenstr+1, NULL, 10);
+    } else {
+        when = strtoull(whenstr, NULL, 10);
+    }
+
+    if (strcmp(protocol, "spice") == 0) {
+        if (!using_spice) {
+            /* correct one? spice isn't a device ,,, */
+            error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
+            return;
+        }
+        rc = qemu_spice_set_pw_expire(when);
+        if (rc != 0) {
+            error_set(errp, QERR_SET_PASSWD_FAILED);
+        }
+        return;
+    }
+
+    if (strcmp(protocol, "vnc") == 0) {
+        rc = vnc_display_pw_expire(NULL, when);
+        if (rc != 0) {
+            error_set(errp, QERR_SET_PASSWD_FAILED);
+        }
+        return;
+    }
+
+    error_set(errp, QERR_INVALID_PARAMETER, "protocol");
+}