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     .auto_connect_display = FALSE
  68 };
  69
  70 pa_client_conf *pa_client_conf_new(void) {
  71     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  72
  73     c->daemon_binary = pa_xstrdup(PA_BINARY);
  74     c->extra_arguments = pa_xstrdup("--log-target=syslog");
  75     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  76
  77     return c;
  78 }
  79
  80 void pa_client_conf_free(pa_client_conf *c) {
  81     pa_assert(c);
  82     pa_xfree(c->daemon_binary);
  83     pa_xfree(c->extra_arguments);
  84     pa_xfree(c->default_sink);
  85     pa_xfree(c->default_source);
  86     pa_xfree(c->default_server);
  87     pa_xfree(c->default_dbus_server);
  88     pa_xfree(c->cookie_file);
  89     pa_xfree(c);
  90 }
  91
  92 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  93     FILE *f = NULL;
  94     char *fn = NULL;
  95     int r = -1;
  96
  97     /* Prepare the configuration parse table */
  98     pa_config_item table[] = {
  99         { "daemon-binary",          pa_config_parse_string,   &c->daemon_binary, NULL },
 100         { "extra-arguments",        pa_config_parse_string,   &c->extra_arguments, NULL },
 101         { "default-sink",           pa_config_parse_string,   &c->default_sink, NULL },
 102         { "default-source",         pa_config_parse_string,   &c->default_source, NULL },
 103         { "default-server",         pa_config_parse_string,   &c->default_server, NULL },
 104         { "default-dbus-server",    pa_config_parse_string,   &c->default_dbus_server, NULL },
 105         { "autospawn",              pa_config_parse_bool,     &c->autospawn, NULL },
 106         { "cookie-file",            pa_config_parse_string,   &c->cookie_file, NULL },
 107         { "disable-shm",            pa_config_parse_bool,     &c->disable_shm, NULL },
 108         { "enable-shm",             pa_config_parse_not_bool, &c->disable_shm, NULL },
 109         { "shm-size-bytes",         pa_config_parse_size,     &c->shm_size, NULL },
 110         { "auto-connect-localhost", pa_config_parse_bool,     &c->auto_connect_localhost, NULL },
 111         { "auto-connect-display",   pa_config_parse_bool,     &c->auto_connect_display, NULL },
 112         { NULL,                     NULL,                     NULL, NULL },
 113     };
 114
 115     if (filename) {
 116
 117         if (!(f = pa_fopen_cloexec(filename, "r"))) {
 118             pa_log(_("Failed to open configuration file '%s': %s"), fn, pa_cstrerror(errno));
 119             goto finish;
 120         }
 121
 122         fn = pa_xstrdup(fn);
 123
 124     } else {
 125
 126         if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
 127             if (errno != ENOENT)
 128                 goto finish;
 129     }
 130
 131     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 132
 133     if (!r)
 134         r = pa_client_conf_load_cookie(c);
 135
 136 finish:
 137     pa_xfree(fn);
 138
 139     if (f)
 140         fclose(f);
 141
 142     return r;
 143 }
 144
 145 int pa_client_conf_env(pa_client_conf *c) {
 146     char *e;
 147
 148     if ((e = getenv(ENV_DEFAULT_SINK))) {
 149         pa_xfree(c->default_sink);
 150         c->default_sink = pa_xstrdup(e);
 151     }
 152
 153     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 154         pa_xfree(c->default_source);
 155         c->default_source = pa_xstrdup(e);
 156     }
 157
 158     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 159         pa_xfree(c->default_server);
 160         c->default_server = pa_xstrdup(e);
 161
 162         /* We disable autospawning automatically if a specific server was set */
 163         c->autospawn = FALSE;
 164     }
 165
 166     if ((e = getenv(ENV_DAEMON_BINARY))) {
 167         pa_xfree(c->daemon_binary);
 168         c->daemon_binary = pa_xstrdup(e);
 169     }
 170
 171     if ((e = getenv(ENV_COOKIE_FILE))) {
 172         pa_xfree(c->cookie_file);
 173         c->cookie_file = pa_xstrdup(e);
 174
 175         return pa_client_conf_load_cookie(c);
 176     }
 177
 178     return 0;
 179 }
 180
 181 int pa_client_conf_load_cookie(pa_client_conf* c) {
 182     pa_assert(c);
 183
 184     if (!c->cookie_file)
 185         return -1;
 186
 187     c->cookie_valid = FALSE;
 188
 189     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 190         return -1;
 191
 192     c->cookie_valid = TRUE;
 193     return 0;
 194 }