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-rw-r--r--hmp.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/hmp.c b/hmp.c
index a0752f585e..2b948aad05 100644
--- a/hmp.c
+++ b/hmp.c
@@ -712,3 +712,60 @@ void hmp_eject(Monitor *mon, const QDict *qdict)
qmp_eject(device, true, force, &err);
hmp_handle_error(mon, &err);
}
+
+static void hmp_change_read_arg(Monitor *mon, const char *password,
+ void *opaque)
+{
+ qmp_change_vnc_password(password, NULL);
+ monitor_read_command(mon, 1);
+}
+
+static void cb_hmp_change_bdrv_pwd(Monitor *mon, const char *password,
+ void *opaque)
+{
+ Error *encryption_err = opaque;
+ Error *err = NULL;
+ const char *device;
+
+ device = error_get_field(encryption_err, "device");
+
+ qmp_block_passwd(device, password, &err);
+ hmp_handle_error(mon, &err);
+ error_free(encryption_err);
+
+ monitor_read_command(mon, 1);
+}
+
+void hmp_change(Monitor *mon, const QDict *qdict)
+{
+ const char *device = qdict_get_str(qdict, "device");
+ const char *target = qdict_get_str(qdict, "target");
+ const char *arg = qdict_get_try_str(qdict, "arg");
+ Error *err = NULL;
+
+ if (strcmp(device, "vnc") == 0 &&
+ (strcmp(target, "passwd") == 0 ||
+ strcmp(target, "password") == 0)) {
+ if (!arg) {
+ monitor_read_password(mon, hmp_change_read_arg, NULL);
+ return;
+ }
+ }
+
+ qmp_change(device, target, !!arg, arg, &err);
+ if (error_is_type(err, QERR_DEVICE_ENCRYPTED)) {
+ monitor_printf(mon, "%s (%s) is encrypted.\n",
+ error_get_field(err, "device"),
+ error_get_field(err, "filename"));
+ if (!monitor_get_rs(mon)) {
+ monitor_printf(mon,
+ "terminal does not support password prompting\n");
+ error_free(err);
+ return;
+ }
+ readline_start(monitor_get_rs(mon), "Password: ", 1,
+ cb_hmp_change_bdrv_pwd, err);
+ return;
+ }
+ hmp_handle_error(mon, &err);
+}