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 OS_IS_WIN32
  43 # define PATH_SEP "/"
  44 #else
  45 # define PATH_SEP "\\"
  46 #endif
  47
  48 #define DEFAULT_CLIENT_CONFIG_FILE PA_DEFAULT_CONFIG_DIR PATH_SEP "client.conf"
  49 #define DEFAULT_CLIENT_CONFIG_FILE_USER "client.conf"
  50
  51 #define ENV_CLIENT_CONFIG_FILE "PULSE_CLIENTCONFIG"
  52 #define ENV_DEFAULT_SINK "PULSE_SINK"
  53 #define ENV_DEFAULT_SOURCE "PULSE_SOURCE"
  54 #define ENV_DEFAULT_SERVER "PULSE_SERVER"
  55 #define ENV_DAEMON_BINARY "PULSE_BINARY"
  56 #define ENV_COOKIE_FILE "PULSE_COOKIE"
  57
  58 static const pa_client_conf default_conf = {
  59     .daemon_binary = NULL,
  60     .extra_arguments = NULL,
  61     .default_sink = NULL,
  62     .default_source = NULL,
  63     .default_server = NULL,
  64     .autospawn = 0,
  65     .cookie_file = NULL,
  66     .cookie_valid = 0,
  67 };
  68
  69 pa_client_conf *pa_client_conf_new(void) {
  70     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  71
  72     c->daemon_binary = pa_xstrdup(PA_BINARY);
  73     c->extra_arguments = pa_xstrdup("--log-target=syslog --exit-idle-time=5");
  74     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  75
  76     return c;
  77 }
  78
  79 void pa_client_conf_free(pa_client_conf *c) {
  80     assert(c);
  81     pa_xfree(c->daemon_binary);
  82     pa_xfree(c->extra_arguments);
  83     pa_xfree(c->default_sink);
  84     pa_xfree(c->default_source);
  85     pa_xfree(c->default_server);
  86     pa_xfree(c->cookie_file);
  87     pa_xfree(c);
  88 }
  89 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  90     FILE *f = NULL;
  91     char *fn = NULL;
  92     int r = -1;
  93
  94     /* Prepare the configuration parse table */
  95     pa_config_item table[] = {
  96         { "daemon-binary",          pa_config_parse_string,  NULL },
  97         { "extra-arguments",        pa_config_parse_string,  NULL },
  98         { "default-sink",           pa_config_parse_string,  NULL },
  99         { "default-source",         pa_config_parse_string,  NULL },
 100         { "default-server",         pa_config_parse_string,  NULL },
 101         { "autospawn",              pa_config_parse_bool,    NULL },
 102         { "cookie-file",            pa_config_parse_string,  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
 114     f = filename ?
 115         fopen((fn = pa_xstrdup(filename)), "r") :
 116         pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn, "r");
 117
 118     if (!f && errno != EINTR) {
 119         pa_log("WARNING: failed to open configuration file '%s': %s", fn, pa_cstrerror(errno));
 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
 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
 156     if ((e = getenv(ENV_DAEMON_BINARY))) {
 157         pa_xfree(c->daemon_binary);
 158         c->daemon_binary = pa_xstrdup(e);
 159     }
 160
 161     if ((e = getenv(ENV_COOKIE_FILE))) {
 162         pa_xfree(c->cookie_file);
 163         c->cookie_file = pa_xstrdup(e);
 164
 165         return pa_client_conf_load_cookie(c);
 166     }
 167
 168     return 0;
 169 }
 170
 171 int pa_client_conf_load_cookie(pa_client_conf* c) {
 172     assert(c);
 173
 174     c->cookie_valid = 0;
 175
 176     if (!c->cookie_file)
 177         return -1;
 178
 179     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 180         return -1;
 181
 182     c->cookie_valid = 1;
 183     return 0;
 184 }
 185