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", pa_path_get_filename(argv[0]));
  91                 ret = 0;
  92                 goto finish;
  93             case 'd':
  94                 mode = DUMP;
  95                 break;
  96             case 'e':
  97                 mode = EXPORT;
  98                 break;
  99             case 'i':
 100                 mode = IMPORT;
 101                 break;
 102             case 'r':
 103                 mode = REMOVE;
 104                 break;
 105             case 'c':
 106                 cookie_file = optarg;
 107                 break;
 108             case 'I':
 109                 source = optarg;
 110                 break;
 111             case 'O':
 112                 sink = optarg;
 113                 break;
 114             case 'S':
 115                 server = optarg;
 116                 break;
 117             default:
 118                 fprintf(stderr, "Failed to parse command line.\n");
 119                 goto finish;
 120         }
 121     }
 122
 123     if (!(d = XOpenDisplay(dname))) {
 124         pa_log(__FILE__": XOpenDisplay() failed\n");
 125         goto finish;
 126     }
 127
 128     switch (mode) {
 129         case DUMP: {
 130             char t[1024];
 131             if (!get_x11_prop(d, "POLYP_SERVER", t, sizeof(t)))
 132                 goto finish;
 133
 134             printf("Server: %s\n", t);
 135             if (get_x11_prop(d, "POLYP_SOURCE", t, sizeof(t)))
 136                 printf("Source: %s\n", t);
 137             if (get_x11_prop(d, "POLYP_SINK", t, sizeof(t)))
 138                 printf("Sink: %s\n", t);
 139             if (get_x11_prop(d, "POLYP_COOKIE", t, sizeof(t)))
 140                 printf("Cookie: %s\n", t);
 141
 142             break;
 143         }
 144
 145         case IMPORT: {
 146             char t[1024];
 147             if (!get_x11_prop(d, "POLYP_SERVER", t, sizeof(t)))
 148                 goto finish;
 149
 150             printf("POLYP_SERVER='%s'\nexport POLYP_SERVER\n", t);
 151
 152             if (get_x11_prop(d, "POLYP_SOURCE", t, sizeof(t)))
 153                 printf("POLYP_SOURCE='%s'\nexport POLYP_SOURCE\n", t);
 154             if (get_x11_prop(d, "POLYP_SINK", t, sizeof(t)))
 155                 printf("POLYP_SINK='%s'\nexport POLYP_SINK\n", t);
 156
 157             if (get_x11_prop(d, "POLYP_COOKIE", t, sizeof(t))) {
 158                 uint8_t cookie[PA_NATIVE_COOKIE_LENGTH];
 159                 size_t l;
 160                 if ((l = pa_parsehex(t, cookie, sizeof(cookie))) == (size_t) -1) {
 161                     fprintf(stderr, "Failed to parse cookie data\n");
 162                     goto finish;
 163                 }
 164
 165                 if (pa_authkey_save(cookie_file, cookie, l) < 0) {
 166                     fprintf(stderr, "Failed to save cookie data\n");
 167                     goto finish;
 168                 }
 169             }
 170
 171             break;
 172         }
 173
 174         case EXPORT: {
 175             struct pa_client_conf *c = pa_client_conf_new();
 176             uint8_t cookie[PA_NATIVE_COOKIE_LENGTH];
 177             char hx[PA_NATIVE_COOKIE_LENGTH*2+1];
 178             assert(c);
 179
 180             if (pa_client_conf_load(c, NULL) < 0) {
 181                 fprintf(stderr, "Failed to load client configuration file.\n");
 182                 goto finish;
 183             }
 184
 185             if (pa_client_conf_env(c) < 0) {
 186                 fprintf(stderr, "Failed to read environment configuration data.\n");
 187                 goto finish;
 188             }
 189
 190             del_x11_prop(d, "POLYP_ID");
 191
 192             if (server)
 193                 set_x11_prop(d, "POLYP_SERVER", c->default_server);
 194             else if (c->default_server)
 195                 set_x11_prop(d, "POLYP_SERVER", c->default_server);
 196             else {
 197                 char hn[256];
 198                 pa_get_host_name(hn, sizeof(hn));
 199                 set_x11_prop(d, "POLYP_SERVER", hn);
 200             }
 201
 202             if (sink)
 203                 set_x11_prop(d, "POLYP_SINK", sink);
 204             else if (c->default_sink)
 205                 set_x11_prop(d, "POLYP_SINK", c->default_sink);
 206
 207             if (source)
 208                 set_x11_prop(d, "POLYP_SOURCE", source);
 209             if (c->default_source)
 210                 set_x11_prop(d, "POLYP_SOURCE", c->default_source);
 211
 212             pa_client_conf_free(c);
 213
 214             if (pa_authkey_load_auto(cookie_file, cookie, sizeof(cookie)) < 0) {
 215                 fprintf(stderr, "Failed to load cookie data\n");
 216                 goto finish;
 217             }
 218
 219             set_x11_prop(d, "POLYP_COOKIE", pa_hexstr(cookie, sizeof(cookie), hx, sizeof(hx)));
 220             break;
 221         }
 222
 223         case REMOVE:
 224             del_x11_prop(d, "POLYP_SERVER");
 225             del_x11_prop(d, "POLYP_SINK");
 226             del_x11_prop(d, "POLYP_SOURCE");
 227             del_x11_prop(d, "POLYP_ID");
 228             del_x11_prop(d, "POLYP_COOKIE");
 229             break;
 230
 231         default:
 232             fprintf(stderr, "No yet implemented.\n");
 233             goto finish;
 234     }
 235
 236     ret = 0;
 237
 238 finish:
 239
 240     if (d) {
 241         XSync(d, False);
 242         XCloseDisplay(d);
 243     }
 244
 245     return ret;
 246 }