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     .autospawn = TRUE,
  61     .disable_shm = FALSE,
  62     .cookie_file = NULL,
  63     .cookie_valid = FALSE,
  64     .shm_size = 0
  65 };
  66
  67 pa_client_conf *pa_client_conf_new(void) {
  68     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  69
  70     c->daemon_binary = pa_xstrdup(PA_BINARY);
  71     c->extra_arguments = pa_xstrdup("--log-target=syslog");
  72     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  73
  74     return c;
  75 }
  76
  77 void pa_client_conf_free(pa_client_conf *c) {
  78     pa_assert(c);
  79     pa_xfree(c->daemon_binary);
  80     pa_xfree(c->extra_arguments);
  81     pa_xfree(c->default_sink);
  82     pa_xfree(c->default_source);
  83     pa_xfree(c->default_server);
  84     pa_xfree(c->cookie_file);
  85     pa_xfree(c);
  86 }
  87
  88 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  89     FILE *f = NULL;
  90     char *fn = NULL;
  91     int r = -1;
  92
  93     /* Prepare the configuration parse table */
  94     pa_config_item table[] = {
  95         { "daemon-binary",          pa_config_parse_string,   &c->daemon_binary, NULL },
  96         { "extra-arguments",        pa_config_parse_string,   &c->extra_arguments, NULL },
  97         { "default-sink",           pa_config_parse_string,   &c->default_sink, NULL },
  98         { "default-source",         pa_config_parse_string,   &c->default_source, NULL },
  99         { "default-server",         pa_config_parse_string,   &c->default_server, NULL },
 100         { "autospawn",              pa_config_parse_bool,     &c->autospawn, NULL },
 101         { "cookie-file",            pa_config_parse_string,   &c->cookie_file, NULL },
 102         { "disable-shm",            pa_config_parse_bool,     &c->disable_shm, NULL },
 103         { "enable-shm",             pa_config_parse_not_bool, &c->disable_shm, NULL },
 104         { "shm-size-bytes",         pa_config_parse_size,     &c->shm_size, NULL },
 105         { NULL,                     NULL,                     NULL, NULL },
 106     };
 107
 108     if (filename) {
 109
 110         if (!(f = fopen(filename, "r"))) {
 111             pa_log(_("Failed to open configuration file '%s': %s"), fn, pa_cstrerror(errno));
 112             goto finish;
 113         }
 114
 115         fn = pa_xstrdup(fn);
 116
 117     } else {
 118
 119         if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
 120             if (errno != ENOENT)
 121                 goto finish;
 122     }
 123
 124     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 125
 126     if (!r)
 127         r = pa_client_conf_load_cookie(c);
 128
 129 finish:
 130     pa_xfree(fn);
 131
 132     if (f)
 133         fclose(f);
 134
 135     return r;
 136 }
 137
 138 int pa_client_conf_env(pa_client_conf *c) {
 139     char *e;
 140
 141     if ((e = getenv(ENV_DEFAULT_SINK))) {
 142         pa_xfree(c->default_sink);
 143         c->default_sink = pa_xstrdup(e);
 144     }
 145
 146     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 147         pa_xfree(c->default_source);
 148         c->default_source = pa_xstrdup(e);
 149     }
 150
 151     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 152         pa_xfree(c->default_server);
 153         c->default_server = pa_xstrdup(e);
 154
 155         /* We disable autospawning automatically if a specific server was set */
 156         c->autospawn = FALSE;
 157     }
 158
 159     if ((e = getenv(ENV_DAEMON_BINARY))) {
 160         pa_xfree(c->daemon_binary);
 161         c->daemon_binary = pa_xstrdup(e);
 162     }
 163
 164     if ((e = getenv(ENV_COOKIE_FILE))) {
 165         pa_xfree(c->cookie_file);
 166         c->cookie_file = pa_xstrdup(e);
 167
 168         return pa_client_conf_load_cookie(c);
 169     }
 170
 171     return 0;
 172 }
 173
 174 int pa_client_conf_load_cookie(pa_client_conf* c) {
 175     pa_assert(c);
 176
 177     if (!c->cookie_file)
 178         return -1;
 179
 180     c->cookie_valid = FALSE;
 181
 182     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 183         return -1;
 184
 185     c->cookie_valid = TRUE;
 186     return 0;
 187 }