4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
33 #include <X11/Xatom.h>
35 #include <polypcore/module.h>
36 #include <polypcore/sink.h>
37 #include <polypcore/core-scache.h>
38 #include <polypcore/modargs.h>
39 #include <polypcore/xmalloc.h>
40 #include <polypcore/namereg.h>
41 #include <polypcore/log.h>
42 #include <polypcore/x11wrap.h>
43 #include <polypcore/util.h>
44 #include <polypcore/native-common.h>
45 #include <polypcore/authkey-prop.h>
46 #include <polypcore/authkey.h>
47 #include <polypcore/x11prop.h>
48 #include <polypcore/strlist.h>
49 #include <polypcore/props.h>
51 #include "module-x11-publish-symdef.h"
53 PA_MODULE_AUTHOR("Lennart Poettering")
54 PA_MODULE_DESCRIPTION("X11 Credential Publisher")
55 PA_MODULE_VERSION(PACKAGE_VERSION
)
56 PA_MODULE_USAGE("display=<X11 display>")
58 static const char* const valid_modargs
[] = {
68 pa_x11_wrapper
*x11_wrapper
;
71 uint8_t auth_cookie
[PA_NATIVE_COOKIE_LENGTH
];
72 int auth_cookie_in_property
;
75 static int load_key(struct userdata
*u
, const char*fn
) {
78 u
->auth_cookie_in_property
= 0;
80 if (!fn
&& pa_authkey_prop_get(u
->core
, PA_NATIVE_COOKIE_PROPERTY_NAME
, u
->auth_cookie
, sizeof(u
->auth_cookie
)) >= 0) {
81 pa_log_debug(__FILE__
": using already loaded auth cookie.");
82 pa_authkey_prop_ref(u
->core
, PA_NATIVE_COOKIE_PROPERTY_NAME
);
83 u
->auth_cookie_in_property
= 1;
88 fn
= PA_NATIVE_COOKIE_FILE
;
90 if (pa_authkey_load_auto(fn
, u
->auth_cookie
, sizeof(u
->auth_cookie
)) < 0)
93 pa_log_debug(__FILE__
": loading cookie from disk.");
95 if (pa_authkey_prop_put(u
->core
, PA_NATIVE_COOKIE_PROPERTY_NAME
, u
->auth_cookie
, sizeof(u
->auth_cookie
)) >= 0)
96 u
->auth_cookie_in_property
= 1;
101 int pa__init(pa_core
*c
, pa_module
*m
) {
103 pa_modargs
*ma
= NULL
;
104 char hn
[256], un
[128];
105 char hx
[PA_NATIVE_COOKIE_LENGTH
*2+1];
110 if (!(ma
= pa_modargs_new(m
->argument
, valid_modargs
))) {
111 pa_log(__FILE__
": failed to parse module arguments");
115 m
->userdata
= u
= pa_xmalloc(sizeof(struct userdata
));
118 u
->auth_cookie_in_property
= 0;
120 if (load_key(u
, pa_modargs_get_value(ma
, "cookie", NULL
)) < 0)
123 if (!(u
->x11_wrapper
= pa_x11_wrapper_get(c
, pa_modargs_get_value(ma
, "display", NULL
))))
126 u
->display
= pa_x11_wrapper_get_display(u
->x11_wrapper
);
128 if (!(l
= pa_property_get(c
, PA_NATIVE_SERVER_PROPERTY_NAME
)))
131 s
= pa_strlist_tostring(l
);
132 pa_x11_set_prop(u
->display
, "POLYP_SERVER", s
);
135 if (!pa_get_fqdn(hn
, sizeof(hn
)) || !pa_get_user_name(un
, sizeof(un
)))
138 u
->id
= pa_sprintf_malloc("%s@%s/%u", un
, hn
, (unsigned) getpid());
139 pa_x11_set_prop(u
->display
, "POLYP_ID", u
->id
);
141 if ((t
= pa_modargs_get_value(ma
, "source", NULL
)))
142 pa_x11_set_prop(u
->display
, "POLYP_SOURCE", t
);
144 if ((t
= pa_modargs_get_value(ma
, "sink", NULL
)))
145 pa_x11_set_prop(u
->display
, "POLYP_SINK", t
);
147 pa_x11_set_prop(u
->display
, "POLYP_COOKIE", pa_hexstr(u
->auth_cookie
, sizeof(u
->auth_cookie
), hx
, sizeof(hx
)));
160 void pa__done(pa_core
*c
, pa_module
*m
) {
164 if (!(u
= m
->userdata
))
167 if (u
->x11_wrapper
) {
170 /* Yes, here is a race condition */
171 if (!pa_x11_get_prop(u
->display
, "POLYP_ID", t
, sizeof(t
)) || strcmp(t
, u
->id
))
172 pa_log_warn(__FILE__
": Polypaudio information vanished from X11!");
174 pa_x11_del_prop(u
->display
, "POLYP_ID");
175 pa_x11_del_prop(u
->display
, "POLYP_SERVER");
176 pa_x11_del_prop(u
->display
, "POLYP_SINK");
177 pa_x11_del_prop(u
->display
, "POLYP_SOURCE");
178 pa_x11_del_prop(u
->display
, "POLYP_COOKIE");
179 XSync(u
->display
, False
);
184 pa_x11_wrapper_unref(u
->x11_wrapper
);
186 if (u
->auth_cookie_in_property
)
187 pa_authkey_prop_unref(c
, PA_NATIVE_COOKIE_PROPERTY_NAME
);