code.delx.au - pulseaudio/blob - src/pulse/client-conf.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   6
   7   PulseAudio is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU Lesser General Public License as published
   9   by the Free Software Foundation; either version 2.1 of the License,
  10   or (at your option) any later version.
  11
  12   PulseAudio is distributed in the hope that it will be useful, but
  13   WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15   General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public License
  18   along with PulseAudio; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  20   USA.
  21 ***/
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <stdlib.h>
  28 #include <unistd.h>
  29 #include <errno.h>
  30 #include <string.h>
  31
  32 #include <pulse/xmalloc.h>
  33 #include <pulse/i18n.h>
  34
  35 #include <pulsecore/macro.h>
  36 #include <pulsecore/core-error.h>
  37 #include <pulsecore/log.h>
  38 #include <pulsecore/conf-parser.h>
  39 #include <pulsecore/core-util.h>
  40 #include <pulsecore/authkey.h>
  41
  42 #include "client-conf.h"
  43
  44 #define DEFAULT_CLIENT_CONFIG_FILE PA_DEFAULT_CONFIG_DIR PA_PATH_SEP "client.conf"
  45 #define DEFAULT_CLIENT_CONFIG_FILE_USER "client.conf"
  46
  47 #define ENV_CLIENT_CONFIG_FILE "PULSE_CLIENTCONFIG"
  48 #define ENV_DEFAULT_SINK "PULSE_SINK"
  49 #define ENV_DEFAULT_SOURCE "PULSE_SOURCE"
  50 #define ENV_DEFAULT_SERVER "PULSE_SERVER"
  51 #define ENV_DAEMON_BINARY "PULSE_BINARY"
  52 #define ENV_COOKIE_FILE "PULSE_COOKIE"
  53
  54 static const pa_client_conf default_conf = {
  55     .daemon_binary = NULL,
  56     .extra_arguments = NULL,
  57     .default_sink = NULL,
  58     .default_source = NULL,
  59     .default_server = NULL,
  60     .default_dbus_server = NULL,
  61     .autospawn = TRUE,
  62     .disable_shm = FALSE,
  63     .cookie_file = NULL,
  64     .cookie_valid = FALSE,
  65     .shm_size = 0
  66 };
  67
  68 pa_client_conf *pa_client_conf_new(void) {
  69     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  70
  71     c->daemon_binary = pa_xstrdup(PA_BINARY);
  72     c->extra_arguments = pa_xstrdup("--log-target=syslog");
  73     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  74
  75     return c;
  76 }
  77
  78 void pa_client_conf_free(pa_client_conf *c) {
  79     pa_assert(c);
  80     pa_xfree(c->daemon_binary);
  81     pa_xfree(c->extra_arguments);
  82     pa_xfree(c->default_sink);
  83     pa_xfree(c->default_source);
  84     pa_xfree(c->default_server);
  85     pa_xfree(c->default_dbus_server);
  86     pa_xfree(c->cookie_file);
  87     pa_xfree(c);
  88 }
  89
  90 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  91     FILE *f = NULL;
  92     char *fn = NULL;
  93     int r = -1;
  94
  95     /* Prepare the configuration parse table */
  96     pa_config_item table[] = {
  97         { "daemon-binary",          pa_config_parse_string,  &c->daemon_binary, NULL },
  98         { "extra-arguments",        pa_config_parse_string,  &c->extra_arguments, NULL },
  99         { "default-sink",           pa_config_parse_string,  &c->default_sink, NULL },
 100         { "default-source",         pa_config_parse_string,  &c->default_source, NULL },
 101         { "default-server",         pa_config_parse_string,  &c->default_server, NULL },
 102         { "default-dbus-server",    pa_config_parse_string,  &c->default_dbus_server, NULL },
 103         { "autospawn",              pa_config_parse_bool,    &c->autospawn, NULL },
 104         { "cookie-file",            pa_config_parse_string,  &c->cookie_file, NULL },
 105         { "disable-shm",            pa_config_parse_bool,    &c->disable_shm, NULL },
 106         { "shm-size-bytes",         pa_config_parse_size,    &c->shm_size, NULL },
 107         { NULL,                     NULL,                    NULL, NULL },
 108     };
 109
 110     if (filename) {
 111
 112         if (!(f = fopen(filename, "r"))) {
 113             pa_log(_("Failed to open configuration file '%s': %s"), fn, pa_cstrerror(errno));
 114             goto finish;
 115         }
 116
 117         fn = pa_xstrdup(fn);
 118
 119     } else {
 120
 121         if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
 122             if (errno != ENOENT)
 123                 goto finish;
 124     }
 125
 126     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 127
 128     if (!r)
 129         r = pa_client_conf_load_cookie(c);
 130
 131 finish:
 132     pa_xfree(fn);
 133
 134     if (f)
 135         fclose(f);
 136
 137     return r;
 138 }
 139
 140 int pa_client_conf_env(pa_client_conf *c) {
 141     char *e;
 142
 143     if ((e = getenv(ENV_DEFAULT_SINK))) {
 144         pa_xfree(c->default_sink);
 145         c->default_sink = pa_xstrdup(e);
 146     }
 147
 148     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 149         pa_xfree(c->default_source);
 150         c->default_source = pa_xstrdup(e);
 151     }
 152
 153     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 154         pa_xfree(c->default_server);
 155         c->default_server = pa_xstrdup(e);
 156
 157         /* We disable autospawning automatically if a specific server was set */
 158         c->autospawn = FALSE;
 159     }
 160
 161     if ((e = getenv(ENV_DAEMON_BINARY))) {
 162         pa_xfree(c->daemon_binary);
 163         c->daemon_binary = pa_xstrdup(e);
 164     }
 165
 166     if ((e = getenv(ENV_COOKIE_FILE))) {
 167         pa_xfree(c->cookie_file);
 168         c->cookie_file = pa_xstrdup(e);
 169
 170         return pa_client_conf_load_cookie(c);
 171     }
 172
 173     return 0;
 174 }
 175
 176 int pa_client_conf_load_cookie(pa_client_conf* c) {
 177     pa_assert(c);
 178
 179     if (!c->cookie_file)
 180         return -1;
 181
 182     c->cookie_valid = FALSE;
 183
 184     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 185         return -1;
 186
 187     c->cookie_valid = TRUE;
 188     return 0;
 189 }