xref: /openbmc/qemu/ui/ui-qmp-cmds.c (revision dd84028f)
1 /*
2  * QMP commands related to UI
3  *
4  * Copyright IBM, Corp. 2011
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2.  See
10  * the COPYING file in the top-level directory.
11  *
12  * Contributions after 2012-01-13 are licensed under the terms of the
13  * GNU GPL, version 2 or (at your option) any later version.
14  */
15 
16 #include "qemu/osdep.h"
17 #include "monitor/qmp-helpers.h"
18 #include "qapi/qapi-commands-ui.h"
19 #include "qapi/qmp/qerror.h"
20 #include "qemu/cutils.h"
21 #include "ui/console.h"
22 #include "ui/dbus-display.h"
23 #include "ui/qemu-spice.h"
24 
25 void qmp_set_password(SetPasswordOptions *opts, Error **errp)
26 {
27     int rc;
28 
29     if (opts->protocol == DISPLAY_PROTOCOL_SPICE) {
30         if (!qemu_using_spice(errp)) {
31             return;
32         }
33         rc = qemu_spice.set_passwd(opts->password,
34                 opts->connected == SET_PASSWORD_ACTION_FAIL,
35                 opts->connected == SET_PASSWORD_ACTION_DISCONNECT);
36     } else {
37         assert(opts->protocol == DISPLAY_PROTOCOL_VNC);
38         if (opts->connected != SET_PASSWORD_ACTION_KEEP) {
39             /* vnc supports "connected=keep" only */
40             error_setg(errp, QERR_INVALID_PARAMETER, "connected");
41             return;
42         }
43         /*
44          * Note that setting an empty password will not disable login
45          * through this interface.
46          */
47         rc = vnc_display_password(opts->u.vnc.display, opts->password);
48     }
49 
50     if (rc != 0) {
51         error_setg(errp, "Could not set password");
52     }
53 }
54 
55 void qmp_expire_password(ExpirePasswordOptions *opts, Error **errp)
56 {
57     time_t when;
58     int rc;
59     const char *whenstr = opts->time;
60     const char *numstr = NULL;
61     uint64_t num;
62 
63     if (strcmp(whenstr, "now") == 0) {
64         when = 0;
65     } else if (strcmp(whenstr, "never") == 0) {
66         when = TIME_MAX;
67     } else if (whenstr[0] == '+') {
68         when = time(NULL);
69         numstr = whenstr + 1;
70     } else {
71         when = 0;
72         numstr = whenstr;
73     }
74 
75     if (numstr) {
76         if (qemu_strtou64(numstr, NULL, 10, &num) < 0) {
77             error_setg(errp, "Parameter 'time' doesn't take value '%s'",
78                        whenstr);
79             return;
80         }
81         when += num;
82     }
83 
84     if (opts->protocol == DISPLAY_PROTOCOL_SPICE) {
85         if (!qemu_using_spice(errp)) {
86             return;
87         }
88         rc = qemu_spice.set_pw_expire(when);
89     } else {
90         assert(opts->protocol == DISPLAY_PROTOCOL_VNC);
91         rc = vnc_display_pw_expire(opts->u.vnc.display, when);
92     }
93 
94     if (rc != 0) {
95         error_setg(errp, "Could not set password expire time");
96     }
97 }
98 
99 #ifdef CONFIG_VNC
100 void qmp_change_vnc_password(const char *password, Error **errp)
101 {
102     if (vnc_display_password(NULL, password) < 0) {
103         error_setg(errp, "Could not set password");
104     }
105 }
106 #endif
107 
108 bool qmp_add_client_spice(int fd, bool has_skipauth, bool skipauth,
109                           bool has_tls, bool tls, Error **errp)
110 {
111     if (!qemu_using_spice(errp)) {
112         return false;
113     }
114     skipauth = has_skipauth ? skipauth : false;
115     tls = has_tls ? tls : false;
116     if (qemu_spice.display_add_client(fd, skipauth, tls) < 0) {
117         error_setg(errp, "spice failed to add client");
118         return false;
119     }
120     return true;
121 }
122 
123 #ifdef CONFIG_VNC
124 bool qmp_add_client_vnc(int fd, bool has_skipauth, bool skipauth,
125                         bool has_tls, bool tls, Error **errp)
126 {
127     skipauth = has_skipauth ? skipauth : false;
128     vnc_display_add_client(NULL, fd, skipauth);
129     return true;
130 }
131 #endif
132 
133 #ifdef CONFIG_DBUS_DISPLAY
134 bool qmp_add_client_dbus_display(int fd, bool has_skipauth, bool skipauth,
135                                  bool has_tls, bool tls, Error **errp)
136 {
137     if (!qemu_using_dbus_display(errp)) {
138         return false;
139     }
140     if (!qemu_dbus_display.add_client(fd, errp)) {
141         return false;
142     }
143     return true;
144 }
145 #endif
146 
147 void qmp_display_reload(DisplayReloadOptions *arg, Error **errp)
148 {
149     switch (arg->type) {
150     case DISPLAY_RELOAD_TYPE_VNC:
151 #ifdef CONFIG_VNC
152         if (arg->u.vnc.has_tls_certs && arg->u.vnc.tls_certs) {
153             vnc_display_reload_certs(NULL, errp);
154         }
155 #else
156         error_setg(errp, "vnc is invalid, missing 'CONFIG_VNC'");
157 #endif
158         break;
159     default:
160         abort();
161     }
162 }
163 
164 void qmp_display_update(DisplayUpdateOptions *arg, Error **errp)
165 {
166     switch (arg->type) {
167     case DISPLAY_UPDATE_TYPE_VNC:
168 #ifdef CONFIG_VNC
169         vnc_display_update(&arg->u.vnc, errp);
170 #else
171         error_setg(errp, "vnc is invalid, missing 'CONFIG_VNC'");
172 #endif
173         break;
174     default:
175         abort();
176     }
177 }
178 
179 void qmp_client_migrate_info(const char *protocol, const char *hostname,
180                              bool has_port, int64_t port,
181                              bool has_tls_port, int64_t tls_port,
182                              const char *cert_subject,
183                              Error **errp)
184 {
185     if (strcmp(protocol, "spice") == 0) {
186         if (!qemu_using_spice(errp)) {
187             return;
188         }
189 
190         if (!has_port && !has_tls_port) {
191             error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
192             return;
193         }
194 
195         if (qemu_spice.migrate_info(hostname,
196                                     has_port ? port : -1,
197                                     has_tls_port ? tls_port : -1,
198                                     cert_subject)) {
199             error_setg(errp, "Could not set up display for migration");
200             return;
201         }
202         return;
203     }
204 
205     error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "'spice'");
206 }
207