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

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <stdlib.h>
  27 #include <assert.h>
  28 #include <unistd.h>
  29 #include <errno.h>
  30 #include <string.h>
  31
  32 #include <pulsecore/core-error.h>
  33 #include <pulse/xmalloc.h>
  34
  35 #include <pulsecore/log.h>
  36 #include <pulsecore/conf-parser.h>
  37 #include <pulsecore/core-util.h>
  38 #include <pulsecore/authkey.h>
  39
  40 #include "client-conf.h"
  41
  42 #ifndef DEFAULT_CONFIG_DIR
  43 # ifndef OS_IS_WIN32
  44 #  define DEFAULT_CONFIG_DIR "/etc/pulse"
  45 # else
  46 #  define DEFAULT_CONFIG_DIR "%PULSE_ROOT%"
  47 # endif
  48 #endif
  49
  50 #ifndef OS_IS_WIN32
  51 # define PATH_SEP "/"
  52 #else
  53 # define PATH_SEP "\\"
  54 #endif
  55
  56 #define DEFAULT_CLIENT_CONFIG_FILE DEFAULT_CONFIG_DIR PATH_SEP "client.conf"
  57 #define DEFAULT_CLIENT_CONFIG_FILE_USER ".pulse" PATH_SEP "client.conf"
  58
  59 #define ENV_CLIENT_CONFIG_FILE "PULSE_CLIENTCONFIG"
  60 #define ENV_DEFAULT_SINK "PULSE_SINK"
  61 #define ENV_DEFAULT_SOURCE "PULSE_SOURCE"
  62 #define ENV_DEFAULT_SERVER "PULSE_SERVER"
  63 #define ENV_DAEMON_BINARY "PULSE_BINARY"
  64 #define ENV_COOKIE_FILE "PULSE_COOKIE"
  65
  66 static const pa_client_conf default_conf = {
  67     .daemon_binary = NULL,
  68     .extra_arguments = NULL,
  69     .default_sink = NULL,
  70     .default_source = NULL,
  71     .default_server = NULL,
  72     .autospawn = 0,
  73     .cookie_file = NULL,
  74     .cookie_valid = 0
  75 };
  76
  77 pa_client_conf *pa_client_conf_new(void) {
  78     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  79
  80     c->daemon_binary = pa_xstrdup(PULSEAUDIO_BINARY);
  81     c->extra_arguments = pa_xstrdup("--log-target=syslog --exit-idle-time=5");
  82     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  83
  84     return c;
  85 }
  86
  87 void pa_client_conf_free(pa_client_conf *c) {
  88     assert(c);
  89     pa_xfree(c->daemon_binary);
  90     pa_xfree(c->extra_arguments);
  91     pa_xfree(c->default_sink);
  92     pa_xfree(c->default_source);
  93     pa_xfree(c->default_server);
  94     pa_xfree(c->cookie_file);
  95     pa_xfree(c);
  96 }
  97 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  98     FILE *f = NULL;
  99     char *fn = NULL;
 100     int r = -1;
 101
 102     /* Prepare the configuration parse table */
 103     pa_config_item table[] = {
 104         { "daemon-binary",          pa_config_parse_string,  NULL },
 105         { "extra-arguments",        pa_config_parse_string,  NULL },
 106         { "default-sink",           pa_config_parse_string,  NULL },
 107         { "default-source",         pa_config_parse_string,  NULL },
 108         { "default-server",         pa_config_parse_string,  NULL },
 109         { "autospawn",              pa_config_parse_bool,    NULL },
 110         { "cookie-file",            pa_config_parse_string,  NULL },
 111         { NULL,                     NULL,                    NULL },
 112     };
 113
 114     table[0].data = &c->daemon_binary;
 115     table[1].data = &c->extra_arguments;
 116     table[2].data = &c->default_sink;
 117     table[3].data = &c->default_source;
 118     table[4].data = &c->default_server;
 119     table[5].data = &c->autospawn;
 120     table[6].data = &c->cookie_file;
 121
 122     f = filename ?
 123         fopen((fn = pa_xstrdup(filename)), "r") :
 124         pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn, "r");
 125
 126     if (!f && errno != EINTR) {
 127         pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s", fn, pa_cstrerror(errno));
 128         goto finish;
 129     }
 130
 131     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 132
 133     if (!r)
 134         r = pa_client_conf_load_cookie(c);
 135
 136
 137 finish:
 138     pa_xfree(fn);
 139
 140     if (f)
 141         fclose(f);
 142
 143     return r;
 144 }
 145
 146 int pa_client_conf_env(pa_client_conf *c) {
 147     char *e;
 148
 149     if ((e = getenv(ENV_DEFAULT_SINK))) {
 150         pa_xfree(c->default_sink);
 151         c->default_sink = pa_xstrdup(e);
 152     }
 153
 154     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 155         pa_xfree(c->default_source);
 156         c->default_source = pa_xstrdup(e);
 157     }
 158
 159     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 160         pa_xfree(c->default_server);
 161         c->default_server = pa_xstrdup(e);
 162     }
 163
 164     if ((e = getenv(ENV_DAEMON_BINARY))) {
 165         pa_xfree(c->daemon_binary);
 166         c->daemon_binary = pa_xstrdup(e);
 167     }
 168
 169     if ((e = getenv(ENV_COOKIE_FILE))) {
 170         pa_xfree(c->cookie_file);
 171         c->cookie_file = pa_xstrdup(e);
 172
 173         return pa_client_conf_load_cookie(c);
 174     }
 175
 176     return 0;
 177 }
 178
 179 int pa_client_conf_load_cookie(pa_client_conf* c) {
 180     assert(c);
 181
 182     c->cookie_valid = 0;
 183
 184     if (!c->cookie_file)
 185         return -1;
 186
 187     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 188         return -1;
 189
 190     c->cookie_valid = 1;
 191     return 0;
 192 }
 193