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     .disable_shm = 0,
  66     .cookie_file = NULL,
  67     .cookie_valid = 0,
  68 };
  69
  70 pa_client_conf *pa_client_conf_new(void) {
  71     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  72
  73     c->daemon_binary = pa_xstrdup(PA_BINARY);
  74     c->extra_arguments = pa_xstrdup("--log-target=syslog --exit-idle-time=5");
  75     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  76
  77     return c;
  78 }
  79
  80 void pa_client_conf_free(pa_client_conf *c) {
  81     assert(c);
  82     pa_xfree(c->daemon_binary);
  83     pa_xfree(c->extra_arguments);
  84     pa_xfree(c->default_sink);
  85     pa_xfree(c->default_source);
  86     pa_xfree(c->default_server);
  87     pa_xfree(c->cookie_file);
  88     pa_xfree(c);
  89 }
  90 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  91     FILE *f = NULL;
  92     char *fn = NULL;
  93     int r = -1;
  94
  95     /* Prepare the configuration parse table */
  96     pa_config_item table[] = {
  97         { "daemon-binary",          pa_config_parse_string,  NULL },
  98         { "extra-arguments",        pa_config_parse_string,  NULL },
  99         { "default-sink",           pa_config_parse_string,  NULL },
 100         { "default-source",         pa_config_parse_string,  NULL },
 101         { "default-server",         pa_config_parse_string,  NULL },
 102         { "autospawn",              pa_config_parse_bool,    NULL },
 103         { "cookie-file",            pa_config_parse_string,  NULL },
 104         { "disable-shm",            pa_config_parse_bool,    NULL },
 105         { NULL,                     NULL,                    NULL },
 106     };
 107
 108     table[0].data = &c->daemon_binary;
 109     table[1].data = &c->extra_arguments;
 110     table[2].data = &c->default_sink;
 111     table[3].data = &c->default_source;
 112     table[4].data = &c->default_server;
 113     table[5].data = &c->autospawn;
 114     table[6].data = &c->cookie_file;
 115     table[7].data = &c->disable_shm;
 116
 117     f = filename ?
 118         fopen((fn = pa_xstrdup(filename)), "r") :
 119         pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn, "r");
 120
 121     if (!f && errno != EINTR) {
 122         pa_log("WARNING: failed to open configuration file '%s': %s", fn, pa_cstrerror(errno));
 123         goto finish;
 124     }
 125
 126     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 127
 128     if (!r)
 129         r = pa_client_conf_load_cookie(c);
 130
 131
 132 finish:
 133     pa_xfree(fn);
 134
 135     if (f)
 136         fclose(f);
 137
 138     return r;
 139 }
 140
 141 int pa_client_conf_env(pa_client_conf *c) {
 142     char *e;
 143
 144     if ((e = getenv(ENV_DEFAULT_SINK))) {
 145         pa_xfree(c->default_sink);
 146         c->default_sink = pa_xstrdup(e);
 147     }
 148
 149     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 150         pa_xfree(c->default_source);
 151         c->default_source = pa_xstrdup(e);
 152     }
 153
 154     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 155         pa_xfree(c->default_server);
 156         c->default_server = pa_xstrdup(e);
 157     }
 158
 159     if ((e = getenv(ENV_DAEMON_BINARY))) {
 160         pa_xfree(c->daemon_binary);
 161         c->daemon_binary = pa_xstrdup(e);
 162     }
 163
 164     if ((e = getenv(ENV_COOKIE_FILE))) {
 165         pa_xfree(c->cookie_file);
 166         c->cookie_file = pa_xstrdup(e);
 167
 168         return pa_client_conf_load_cookie(c);
 169     }
 170
 171     return 0;
 172 }
 173
 174 int pa_client_conf_load_cookie(pa_client_conf* c) {
 175     assert(c);
 176
 177     c->cookie_valid = 0;
 178
 179     if (!c->cookie_file)
 180         return -1;
 181
 182     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 183         return -1;
 184
 185     c->cookie_valid = 1;
 186     return 0;
 187 }
 188