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 <assert.h>
  31 #include <unistd.h>
  32 #include <errno.h>
  33 #include <string.h>
  34
  35 #include <pulsecore/core-error.h>
  36 #include <pulse/xmalloc.h>
  37
  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 #ifndef OS_IS_WIN32
  46 # define PATH_SEP "/"
  47 #else
  48 # define PATH_SEP "\\"
  49 #endif
  50
  51 #define DEFAULT_CLIENT_CONFIG_FILE PA_DEFAULT_CONFIG_DIR PATH_SEP "client.conf"
  52 #define DEFAULT_CLIENT_CONFIG_FILE_USER "client.conf"
  53
  54 #define ENV_CLIENT_CONFIG_FILE "PULSE_CLIENTCONFIG"
  55 #define ENV_DEFAULT_SINK "PULSE_SINK"
  56 #define ENV_DEFAULT_SOURCE "PULSE_SOURCE"
  57 #define ENV_DEFAULT_SERVER "PULSE_SERVER"
  58 #define ENV_DAEMON_BINARY "PULSE_BINARY"
  59 #define ENV_COOKIE_FILE "PULSE_COOKIE"
  60
  61 static const pa_client_conf default_conf = {
  62     .daemon_binary = NULL,
  63     .extra_arguments = NULL,
  64     .default_sink = NULL,
  65     .default_source = NULL,
  66     .default_server = NULL,
  67     .autospawn = 0,
  68     .disable_shm = 0,
  69     .cookie_file = NULL,
  70     .cookie_valid = 0,
  71 };
  72
  73 pa_client_conf *pa_client_conf_new(void) {
  74     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  75
  76     c->daemon_binary = pa_xstrdup(PA_BINARY);
  77     c->extra_arguments = pa_xstrdup("--log-target=syslog --exit-idle-time=5");
  78     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  79
  80     return c;
  81 }
  82
  83 void pa_client_conf_free(pa_client_conf *c) {
  84     assert(c);
  85     pa_xfree(c->daemon_binary);
  86     pa_xfree(c->extra_arguments);
  87     pa_xfree(c->default_sink);
  88     pa_xfree(c->default_source);
  89     pa_xfree(c->default_server);
  90     pa_xfree(c->cookie_file);
  91     pa_xfree(c);
  92 }
  93 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  94     FILE *f = NULL;
  95     char *fn = NULL;
  96     int r = -1;
  97
  98     /* Prepare the configuration parse table */
  99     pa_config_item table[] = {
 100         { "daemon-binary",          pa_config_parse_string,  NULL },
 101         { "extra-arguments",        pa_config_parse_string,  NULL },
 102         { "default-sink",           pa_config_parse_string,  NULL },
 103         { "default-source",         pa_config_parse_string,  NULL },
 104         { "default-server",         pa_config_parse_string,  NULL },
 105         { "autospawn",              pa_config_parse_bool,    NULL },
 106         { "cookie-file",            pa_config_parse_string,  NULL },
 107         { "disable-shm",            pa_config_parse_bool,    NULL },
 108         { NULL,                     NULL,                    NULL },
 109     };
 110
 111     table[0].data = &c->daemon_binary;
 112     table[1].data = &c->extra_arguments;
 113     table[2].data = &c->default_sink;
 114     table[3].data = &c->default_source;
 115     table[4].data = &c->default_server;
 116     table[5].data = &c->autospawn;
 117     table[6].data = &c->cookie_file;
 118     table[7].data = &c->disable_shm;
 119
 120     f = filename ?
 121         fopen((fn = pa_xstrdup(filename)), "r") :
 122         pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn, "r");
 123
 124     if (!f && errno != EINTR) {
 125         pa_log("WARNING: failed to open configuration file '%s': %s", fn, pa_cstrerror(errno));
 126         goto finish;
 127     }
 128
 129     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 130
 131     if (!r)
 132         r = pa_client_conf_load_cookie(c);
 133
 134
 135 finish:
 136     pa_xfree(fn);
 137
 138     if (f)
 139         fclose(f);
 140
 141     return r;
 142 }
 143
 144 int pa_client_conf_env(pa_client_conf *c) {
 145     char *e;
 146
 147     if ((e = getenv(ENV_DEFAULT_SINK))) {
 148         pa_xfree(c->default_sink);
 149         c->default_sink = pa_xstrdup(e);
 150     }
 151
 152     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 153         pa_xfree(c->default_source);
 154         c->default_source = pa_xstrdup(e);
 155     }
 156
 157     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 158         pa_xfree(c->default_server);
 159         c->default_server = pa_xstrdup(e);
 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     assert(c);
 179
 180     c->cookie_valid = 0;
 181
 182     if (!c->cookie_file)
 183         return -1;
 184
 185     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 186         return -1;
 187
 188     c->cookie_valid = 1;
 189     return 0;
 190 }
 191