code.delx.au - pulseaudio/blob - src/pulse/client-conf.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   Copyright 2004-2006 Lennart Poettering
   7   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   8
   9   PulseAudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   PulseAudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include <stdlib.h>
  30 #include <unistd.h>
  31 #include <errno.h>
  32 #include <string.h>
  33
  34 #include <pulse/xmalloc.h>
  35
  36 #include <pulsecore/macro.h>
  37 #include <pulsecore/core-error.h>
  38 #include <pulsecore/log.h>
  39 #include <pulsecore/conf-parser.h>
  40 #include <pulsecore/core-util.h>
  41 #include <pulsecore/authkey.h>
  42
  43 #include "client-conf.h"
  44
  45 #define DEFAULT_CLIENT_CONFIG_FILE PA_DEFAULT_CONFIG_DIR PA_PATH_SEP "client.conf"
  46 #define DEFAULT_CLIENT_CONFIG_FILE_USER "client.conf"
  47
  48 #define ENV_CLIENT_CONFIG_FILE "PULSE_CLIENTCONFIG"
  49 #define ENV_DEFAULT_SINK "PULSE_SINK"
  50 #define ENV_DEFAULT_SOURCE "PULSE_SOURCE"
  51 #define ENV_DEFAULT_SERVER "PULSE_SERVER"
  52 #define ENV_DAEMON_BINARY "PULSE_BINARY"
  53 #define ENV_COOKIE_FILE "PULSE_COOKIE"
  54
  55 static const pa_client_conf default_conf = {
  56     .daemon_binary = NULL,
  57     .extra_arguments = NULL,
  58     .default_sink = NULL,
  59     .default_source = NULL,
  60     .default_server = NULL,
  61     .autospawn = 0,
  62     .disable_shm = 0,
  63     .cookie_file = NULL,
  64     .cookie_valid = 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 --exit-idle-time=5");
  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,  NULL },
  96         { "extra-arguments",        pa_config_parse_string,  NULL },
  97         { "default-sink",           pa_config_parse_string,  NULL },
  98         { "default-source",         pa_config_parse_string,  NULL },
  99         { "default-server",         pa_config_parse_string,  NULL },
 100         { "autospawn",              pa_config_parse_bool,    NULL },
 101         { "cookie-file",            pa_config_parse_string,  NULL },
 102         { "disable-shm",            pa_config_parse_bool,    NULL },
 103         { NULL,                     NULL,                    NULL },
 104     };
 105
 106     table[0].data = &c->daemon_binary;
 107     table[1].data = &c->extra_arguments;
 108     table[2].data = &c->default_sink;
 109     table[3].data = &c->default_source;
 110     table[4].data = &c->default_server;
 111     table[5].data = &c->autospawn;
 112     table[6].data = &c->cookie_file;
 113     table[7].data = &c->disable_shm;
 114
 115     f = filename ?
 116         fopen((fn = pa_xstrdup(filename)), "r") :
 117         pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn, "r");
 118
 119     if (!f && errno != EINTR) {
 120         pa_log_warn("Failed to open configuration file '%s': %s", fn, pa_cstrerror(errno));
 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
 130 finish:
 131     pa_xfree(fn);
 132
 133     if (f)
 134         fclose(f);
 135
 136     return r;
 137 }
 138
 139 int pa_client_conf_env(pa_client_conf *c) {
 140     char *e;
 141
 142     if ((e = getenv(ENV_DEFAULT_SINK))) {
 143         pa_xfree(c->default_sink);
 144         c->default_sink = pa_xstrdup(e);
 145     }
 146
 147     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 148         pa_xfree(c->default_source);
 149         c->default_source = pa_xstrdup(e);
 150     }
 151
 152     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 153         pa_xfree(c->default_server);
 154         c->default_server = pa_xstrdup(e);
 155     }
 156
 157     if ((e = getenv(ENV_DAEMON_BINARY))) {
 158         pa_xfree(c->daemon_binary);
 159         c->daemon_binary = pa_xstrdup(e);
 160     }
 161
 162     if ((e = getenv(ENV_COOKIE_FILE))) {
 163         pa_xfree(c->cookie_file);
 164         c->cookie_file = pa_xstrdup(e);
 165
 166         return pa_client_conf_load_cookie(c);
 167     }
 168
 169     return 0;
 170 }
 171
 172 int pa_client_conf_load_cookie(pa_client_conf* c) {
 173     pa_assert(c);
 174
 175     c->cookie_valid = 0;
 176
 177     if (!c->cookie_file)
 178         return -1;
 179
 180     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 181         return -1;
 182
 183     c->cookie_valid = 1;
 184     return 0;
 185 }
 186