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         { "enable-shm",             pa_config_parse_not_bool, &c->disable_shm, NULL },
 107         { "shm-size-bytes",         pa_config_parse_size,     &c->shm_size, NULL },
 108         { NULL,                     NULL,                     NULL, NULL },
 109     };
 110
 111     if (filename) {
 112
 113         if (!(f = fopen(filename, "r"))) {
 114             pa_log(_("Failed to open configuration file '%s': %s"), fn, pa_cstrerror(errno));
 115             goto finish;
 116         }
 117
 118         fn = pa_xstrdup(fn);
 119
 120     } else {
 121
 122         if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
 123             if (errno != ENOENT)
 124                 goto finish;
 125     }
 126
 127     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 128
 129     if (!r)
 130         r = pa_client_conf_load_cookie(c);
 131
 132 finish:
 133     pa_xfree(fn);
 134
 135     if (f)
 136         fclose(f);
 137
 138     return r;
 139 }
 140
 141 int pa_client_conf_env(pa_client_conf *c) {
 142     char *e;
 143
 144     if ((e = getenv(ENV_DEFAULT_SINK))) {
 145         pa_xfree(c->default_sink);
 146         c->default_sink = pa_xstrdup(e);
 147     }
 148
 149     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 150         pa_xfree(c->default_source);
 151         c->default_source = pa_xstrdup(e);
 152     }
 153
 154     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 155         pa_xfree(c->default_server);
 156         c->default_server = pa_xstrdup(e);
 157
 158         /* We disable autospawning automatically if a specific server was set */
 159         c->autospawn = FALSE;
 160     }
 161
 162     if ((e = getenv(ENV_DAEMON_BINARY))) {
 163         pa_xfree(c->daemon_binary);
 164         c->daemon_binary = pa_xstrdup(e);
 165     }
 166
 167     if ((e = getenv(ENV_COOKIE_FILE))) {
 168         pa_xfree(c->cookie_file);
 169         c->cookie_file = pa_xstrdup(e);
 170
 171         return pa_client_conf_load_cookie(c);
 172     }
 173
 174     return 0;
 175 }
 176
 177 int pa_client_conf_load_cookie(pa_client_conf* c) {
 178     pa_assert(c);
 179
 180     if (!c->cookie_file)
 181         return -1;
 182
 183     c->cookie_valid = FALSE;
 184
 185     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 186         return -1;
 187
 188     c->cookie_valid = TRUE;
 189     return 0;
 190 }