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         { "shm-size-bytes",         pa_config_parse_size,    &c->shm_size, NULL },
 104         { NULL,                     NULL,                    NULL, NULL },
 105     };
 106
 107     if (filename) {
 108
 109         if (!(f = fopen(filename, "r"))) {
 110             pa_log(_("Failed to open configuration file '%s': %s"), fn, pa_cstrerror(errno));
 111             goto finish;
 112         }
 113
 114         fn = pa_xstrdup(fn);
 115
 116     } else {
 117
 118         if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
 119             if (errno != ENOENT)
 120                 goto finish;
 121     }
 122
 123     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 124
 125     if (!r)
 126         r = pa_client_conf_load_cookie(c);
 127
 128 finish:
 129     pa_xfree(fn);
 130
 131     if (f)
 132         fclose(f);
 133
 134     return r;
 135 }
 136
 137 int pa_client_conf_env(pa_client_conf *c) {
 138     char *e;
 139
 140     if ((e = getenv(ENV_DEFAULT_SINK))) {
 141         pa_xfree(c->default_sink);
 142         c->default_sink = pa_xstrdup(e);
 143     }
 144
 145     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 146         pa_xfree(c->default_source);
 147         c->default_source = pa_xstrdup(e);
 148     }
 149
 150     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 151         pa_xfree(c->default_server);
 152         c->default_server = pa_xstrdup(e);
 153
 154         /* We disable autospawning automatically if a specific server was set */
 155         c->autospawn = FALSE;
 156     }
 157
 158     if ((e = getenv(ENV_DAEMON_BINARY))) {
 159         pa_xfree(c->daemon_binary);
 160         c->daemon_binary = pa_xstrdup(e);
 161     }
 162
 163     if ((e = getenv(ENV_COOKIE_FILE))) {
 164         pa_xfree(c->cookie_file);
 165         c->cookie_file = pa_xstrdup(e);
 166
 167         return pa_client_conf_load_cookie(c);
 168     }
 169
 170     return 0;
 171 }
 172
 173 int pa_client_conf_load_cookie(pa_client_conf* c) {
 174     pa_assert(c);
 175
 176     if (!c->cookie_file)
 177         return -1;
 178
 179     c->cookie_valid = FALSE;
 180
 181     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 182         return -1;
 183
 184     c->cookie_valid = TRUE;
 185     return 0;
 186 }