code.delx.au - pulseaudio/blob - polyp/pax11publish.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of polypaudio.
   5
   6   polypaudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU 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.
  10
  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.
  15
  16   You should have received a copy of the GNU 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
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <stdio.h>
  27 #include <getopt.h>
  28 #include <string.h>
  29 #include <assert.h>
  30
  31 #include <X11/Xlib.h>
  32 #include <X11/Xatom.h>
  33
  34 #include "util.h"
  35 #include "log.h"
  36 #include "authkey.h"
  37 #include "native-common.h"
  38 #include "client-conf.h"
  39
  40 static void set_x11_prop(Display *d, const char *name, const char *data) {
  41     Atom a = XInternAtom(d, name, False);
  42     XChangeProperty(d, RootWindow(d, 0), a, XA_STRING, 8, PropModeReplace, (unsigned char*) data, strlen(data)+1);
  43 }
  44
  45 static void del_x11_prop(Display *d, const char *name) {
  46     Atom a = XInternAtom(d, name, False);
  47     XDeleteProperty(d, RootWindow(d, 0), a);
  48 }
  49
  50 static char* get_x11_prop(Display *d, const char *name, char *p, size_t l) {
  51     Atom actual_type;
  52     int actual_format;
  53     unsigned long nitems;
  54     unsigned long nbytes_after;
  55     unsigned char *prop = NULL;
  56     char *ret = NULL;
  57
  58     Atom a = XInternAtom(d, name, False);
  59     if (XGetWindowProperty(d, RootWindow(d, 0), a, 0, (l+2)/4, False, XA_STRING, &actual_type, &actual_format, &nitems, &nbytes_after, &prop) != Success)
  60         goto finish;
  61
  62     if (actual_type != XA_STRING)
  63         goto finish;
  64
  65     memcpy(p, prop, nitems);
  66     p[nitems] = 0;
  67
  68     ret = p;
  69
  70 finish:
  71
  72     if (prop)
  73         XFree(prop);
  74
  75     return ret;
  76 }
  77
  78 int main(int argc, char *argv[]) {
  79     const char *dname = NULL, *sink = NULL, *source = NULL, *server = NULL, *cookie_file = PA_NATIVE_COOKIE_FILE;
  80     int c, ret = 1;
  81     Display *d = NULL;
  82     enum { DUMP, EXPORT, IMPORT, REMOVE } mode = DUMP;
  83
  84     while ((c = getopt(argc, argv, "deiD:S:O:I:c:hr")) != -1) {
  85         switch (c) {
  86             case 'D' :
  87                 dname = optarg;
  88                 break;
  89             case 'h':
  90                 printf("%s [-D display] [-S server] [-O sink] [-I source] [-c file]  [-d|-e|-i|-r]\n\n"
  91                        " -d    Show current Polypaudio data attached to X11 display (default)\n"
  92                        " -e    Export local Polypaudio data to X11 display\n"
  93                        " -i    Import Polypaudio data from X11 display to local environment variables and cookie file.\n"
  94                        " -r    Remove Polypaudio data from X11 display\n",
  95                        pa_path_get_filename(argv[0]));
  96                 ret = 0;
  97                 goto finish;
  98             case 'd':
  99                 mode = DUMP;
 100                 break;
 101             case 'e':
 102                 mode = EXPORT;
 103                 break;
 104             case 'i':
 105                 mode = IMPORT;
 106                 break;
 107             case 'r':
 108                 mode = REMOVE;
 109                 break;
 110             case 'c':
 111                 cookie_file = optarg;
 112                 break;
 113             case 'I':
 114                 source = optarg;
 115                 break;
 116             case 'O':
 117                 sink = optarg;
 118                 break;
 119             case 'S':
 120                 server = optarg;
 121                 break;
 122             default:
 123                 fprintf(stderr, "Failed to parse command line.\n");
 124                 goto finish;
 125         }
 126     }
 127
 128     if (!(d = XOpenDisplay(dname))) {
 129         pa_log(__FILE__": XOpenDisplay() failed\n");
 130         goto finish;
 131     }
 132
 133     switch (mode) {
 134         case DUMP: {
 135             char t[1024];
 136             if (!get_x11_prop(d, "POLYP_SERVER", t, sizeof(t)))
 137                 goto finish;
 138
 139             printf("Server: %s\n", t);
 140             if (get_x11_prop(d, "POLYP_SOURCE", t, sizeof(t)))
 141                 printf("Source: %s\n", t);
 142             if (get_x11_prop(d, "POLYP_SINK", t, sizeof(t)))
 143                 printf("Sink: %s\n", t);
 144             if (get_x11_prop(d, "POLYP_COOKIE", t, sizeof(t)))
 145                 printf("Cookie: %s\n", t);
 146
 147             break;
 148         }
 149
 150         case IMPORT: {
 151             char t[1024];
 152             if (!get_x11_prop(d, "POLYP_SERVER", t, sizeof(t)))
 153                 goto finish;
 154
 155             printf("POLYP_SERVER='%s'\nexport POLYP_SERVER\n", t);
 156
 157             if (get_x11_prop(d, "POLYP_SOURCE", t, sizeof(t)))
 158                 printf("POLYP_SOURCE='%s'\nexport POLYP_SOURCE\n", t);
 159             if (get_x11_prop(d, "POLYP_SINK", t, sizeof(t)))
 160                 printf("POLYP_SINK='%s'\nexport POLYP_SINK\n", t);
 161
 162             if (get_x11_prop(d, "POLYP_COOKIE", t, sizeof(t))) {
 163                 uint8_t cookie[PA_NATIVE_COOKIE_LENGTH];
 164                 size_t l;
 165                 if ((l = pa_parsehex(t, cookie, sizeof(cookie))) == (size_t) -1) {
 166                     fprintf(stderr, "Failed to parse cookie data\n");
 167                     goto finish;
 168                 }
 169
 170                 if (pa_authkey_save(cookie_file, cookie, l) < 0) {
 171                     fprintf(stderr, "Failed to save cookie data\n");
 172                     goto finish;
 173                 }
 174             }
 175
 176             break;
 177         }
 178
 179         case EXPORT: {
 180             struct pa_client_conf *c = pa_client_conf_new();
 181             uint8_t cookie[PA_NATIVE_COOKIE_LENGTH];
 182             char hx[PA_NATIVE_COOKIE_LENGTH*2+1];
 183             assert(c);
 184
 185             if (pa_client_conf_load(c, NULL) < 0) {
 186                 fprintf(stderr, "Failed to load client configuration file.\n");
 187                 goto finish;
 188             }
 189
 190             if (pa_client_conf_env(c) < 0) {
 191                 fprintf(stderr, "Failed to read environment configuration data.\n");
 192                 goto finish;
 193             }
 194
 195             del_x11_prop(d, "POLYP_ID");
 196
 197             if (server)
 198                 set_x11_prop(d, "POLYP_SERVER", c->default_server);
 199             else if (c->default_server)
 200                 set_x11_prop(d, "POLYP_SERVER", c->default_server);
 201             else {
 202                 char hn[256];
 203                 if (!pa_get_fqdn(hn, sizeof(hn))) {
 204                     fprintf(stderr, "Failed to get FQDN.\n");
 205                     goto finish;
 206                 }
 207
 208                 set_x11_prop(d, "POLYP_SERVER", hn);
 209             }
 210
 211             if (sink)
 212                 set_x11_prop(d, "POLYP_SINK", sink);
 213             else if (c->default_sink)
 214                 set_x11_prop(d, "POLYP_SINK", c->default_sink);
 215
 216             if (source)
 217                 set_x11_prop(d, "POLYP_SOURCE", source);
 218             if (c->default_source)
 219                 set_x11_prop(d, "POLYP_SOURCE", c->default_source);
 220
 221             pa_client_conf_free(c);
 222
 223             if (pa_authkey_load_auto(cookie_file, cookie, sizeof(cookie)) < 0) {
 224                 fprintf(stderr, "Failed to load cookie data\n");
 225                 goto finish;
 226             }
 227
 228             set_x11_prop(d, "POLYP_COOKIE", pa_hexstr(cookie, sizeof(cookie), hx, sizeof(hx)));
 229             break;
 230         }
 231
 232         case REMOVE:
 233             del_x11_prop(d, "POLYP_SERVER");
 234             del_x11_prop(d, "POLYP_SINK");
 235             del_x11_prop(d, "POLYP_SOURCE");
 236             del_x11_prop(d, "POLYP_ID");
 237             del_x11_prop(d, "POLYP_COOKIE");
 238             break;
 239
 240         default:
 241             fprintf(stderr, "No yet implemented.\n");
 242             goto finish;
 243     }
 244
 245     ret = 0;
 246
 247 finish:
 248
 249     if (d) {
 250         XSync(d, False);
 251         XCloseDisplay(d);
 252     }
 253
 254     return ret;
 255 }