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     .auto_connect_localhost = FALSE
  67 };
  68
  69 pa_client_conf *pa_client_conf_new(void) {
  70     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  71
  72     c->daemon_binary = pa_xstrdup(PA_BINARY);
  73     c->extra_arguments = pa_xstrdup("--log-target=syslog");
  74     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  75
  76     return c;
  77 }
  78
  79 void pa_client_conf_free(pa_client_conf *c) {
  80     pa_assert(c);
  81     pa_xfree(c->daemon_binary);
  82     pa_xfree(c->extra_arguments);
  83     pa_xfree(c->default_sink);
  84     pa_xfree(c->default_source);
  85     pa_xfree(c->default_server);
  86     pa_xfree(c->default_dbus_server);
  87     pa_xfree(c->cookie_file);
  88     pa_xfree(c);
  89 }
  90
  91 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  92     FILE *f = NULL;
  93     char *fn = NULL;
  94     int r = -1;
  95
  96     /* Prepare the configuration parse table */
  97     pa_config_item table[] = {
  98         { "daemon-binary",          pa_config_parse_string,   &c->daemon_binary, NULL },
  99         { "extra-arguments",        pa_config_parse_string,   &c->extra_arguments, NULL },
 100         { "default-sink",           pa_config_parse_string,   &c->default_sink, NULL },
 101         { "default-source",         pa_config_parse_string,   &c->default_source, NULL },
 102         { "default-server",         pa_config_parse_string,   &c->default_server, NULL },
 103         { "default-dbus-server",    pa_config_parse_string,   &c->default_dbus_server, NULL },
 104         { "autospawn",              pa_config_parse_bool,     &c->autospawn, NULL },
 105         { "cookie-file",            pa_config_parse_string,   &c->cookie_file, NULL },
 106         { "disable-shm",            pa_config_parse_bool,     &c->disable_shm, NULL },
 107         { "enable-shm",             pa_config_parse_not_bool, &c->disable_shm, NULL },
 108         { "shm-size-bytes",         pa_config_parse_size,     &c->shm_size, NULL },
 109         { "auto-connect-localhost", pa_config_parse_bool,     &c->auto_connect_localhost, NULL },
 110         { NULL,                     NULL,                     NULL, NULL },
 111     };
 112
 113     if (filename) {
 114
 115         if (!(f = pa_fopen_cloexec(filename, "r"))) {
 116             pa_log(_("Failed to open configuration file '%s': %s"), fn, pa_cstrerror(errno));
 117             goto finish;
 118         }
 119
 120         fn = pa_xstrdup(fn);
 121
 122     } else {
 123
 124         if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
 125             if (errno != ENOENT)
 126                 goto finish;
 127     }
 128
 129     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 130
 131     if (!r)
 132         r = pa_client_conf_load_cookie(c);
 133
 134 finish:
 135     pa_xfree(fn);
 136
 137     if (f)
 138         fclose(f);
 139
 140     return r;
 141 }
 142
 143 int pa_client_conf_env(pa_client_conf *c) {
 144     char *e;
 145
 146     if ((e = getenv(ENV_DEFAULT_SINK))) {
 147         pa_xfree(c->default_sink);
 148         c->default_sink = pa_xstrdup(e);
 149     }
 150
 151     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 152         pa_xfree(c->default_source);
 153         c->default_source = pa_xstrdup(e);
 154     }
 155
 156     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 157         pa_xfree(c->default_server);
 158         c->default_server = pa_xstrdup(e);
 159
 160         /* We disable autospawning automatically if a specific server was set */
 161         c->autospawn = FALSE;
 162     }
 163
 164     if ((e = getenv(ENV_DAEMON_BINARY))) {
 165         pa_xfree(c->daemon_binary);
 166         c->daemon_binary = pa_xstrdup(e);
 167     }
 168
 169     if ((e = getenv(ENV_COOKIE_FILE))) {
 170         pa_xfree(c->cookie_file);
 171         c->cookie_file = pa_xstrdup(e);
 172
 173         return pa_client_conf_load_cookie(c);
 174     }
 175
 176     return 0;
 177 }
 178
 179 int pa_client_conf_load_cookie(pa_client_conf* c) {
 180     pa_assert(c);
 181
 182     if (!c->cookie_file)
 183         return -1;
 184
 185     c->cookie_valid = FALSE;
 186
 187     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 188         return -1;
 189
 190     c->cookie_valid = TRUE;
 191     return 0;
 192 }