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

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   6
   7   PulseAudio is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU Lesser General Public License as published
   9   by the Free Software Foundation; either version 2 of the License,
  10   or (at your option) any later version.
  11
  12   PulseAudio is distributed in the hope that it will be useful, but
  13   WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15   General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public License
  18   along with PulseAudio; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  20   USA.
  21 ***/
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <stdlib.h>
  28 #include <unistd.h>
  29 #include <errno.h>
  30 #include <string.h>
  31
  32 #include <pulse/xmalloc.h>
  33 #include <pulse/i18n.h>
  34
  35 #include <pulsecore/macro.h>
  36 #include <pulsecore/core-error.h>
  37 #include <pulsecore/log.h>
  38 #include <pulsecore/conf-parser.h>
  39 #include <pulsecore/core-util.h>
  40 #include <pulsecore/authkey.h>
  41
  42 #include "client-conf.h"
  43
  44 #define DEFAULT_CLIENT_CONFIG_FILE PA_DEFAULT_CONFIG_DIR PA_PATH_SEP "client.conf"
  45 #define DEFAULT_CLIENT_CONFIG_FILE_USER "client.conf"
  46
  47 #define ENV_CLIENT_CONFIG_FILE "PULSE_CLIENTCONFIG"
  48 #define ENV_DEFAULT_SINK "PULSE_SINK"
  49 #define ENV_DEFAULT_SOURCE "PULSE_SOURCE"
  50 #define ENV_DEFAULT_SERVER "PULSE_SERVER"
  51 #define ENV_DAEMON_BINARY "PULSE_BINARY"
  52 #define ENV_COOKIE_FILE "PULSE_COOKIE"
  53
  54 static const pa_client_conf default_conf = {
  55     .daemon_binary = NULL,
  56     .extra_arguments = NULL,
  57     .default_sink = NULL,
  58     .default_source = NULL,
  59     .default_server = NULL,
  60     .autospawn = TRUE,
  61     .disable_shm = FALSE,
  62     .cookie_file = NULL,
  63     .cookie_valid = FALSE,
  64 };
  65
  66 pa_client_conf *pa_client_conf_new(void) {
  67     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  68
  69     c->daemon_binary = pa_xstrdup(PA_BINARY);
  70     c->extra_arguments = pa_xstrdup("--log-target=syslog");
  71     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  72
  73     return c;
  74 }
  75
  76 void pa_client_conf_free(pa_client_conf *c) {
  77     pa_assert(c);
  78     pa_xfree(c->daemon_binary);
  79     pa_xfree(c->extra_arguments);
  80     pa_xfree(c->default_sink);
  81     pa_xfree(c->default_source);
  82     pa_xfree(c->default_server);
  83     pa_xfree(c->cookie_file);
  84     pa_xfree(c);
  85 }
  86
  87 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  88     FILE *f = NULL;
  89     char *fn = NULL;
  90     int r = -1;
  91
  92     /* Prepare the configuration parse table */
  93     pa_config_item table[] = {
  94         { "daemon-binary",          pa_config_parse_string,  NULL },
  95         { "extra-arguments",        pa_config_parse_string,  NULL },
  96         { "default-sink",           pa_config_parse_string,  NULL },
  97         { "default-source",         pa_config_parse_string,  NULL },
  98         { "default-server",         pa_config_parse_string,  NULL },
  99         { "autospawn",              pa_config_parse_bool,    NULL },
 100         { "cookie-file",            pa_config_parse_string,  NULL },
 101         { "disable-shm",            pa_config_parse_bool,    NULL },
 102         { NULL,                     NULL,                    NULL },
 103     };
 104
 105     table[0].data = &c->daemon_binary;
 106     table[1].data = &c->extra_arguments;
 107     table[2].data = &c->default_sink;
 108     table[3].data = &c->default_source;
 109     table[4].data = &c->default_server;
 110     table[5].data = &c->autospawn;
 111     table[6].data = &c->cookie_file;
 112     table[7].data = &c->disable_shm;
 113
 114     if (filename) {
 115
 116         if (!(f = fopen(filename, "r"))) {
 117             pa_log(_("Failed to open configuration file '%s': %s"), fn, pa_cstrerror(errno));
 118             goto finish;
 119         }
 120
 121         fn = pa_xstrdup(fn);
 122
 123     } else {
 124
 125         if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
 126             if (errno != ENOENT)
 127                 goto finish;
 128     }
 129
 130     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 131
 132     if (!r)
 133         r = pa_client_conf_load_cookie(c);
 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     pa_assert(c);
 179
 180     if (!c->cookie_file)
 181         return -1;
 182
 183     c->cookie_valid = FALSE;
 184
 185     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 186         return -1;
 187
 188     c->cookie_valid = TRUE;
 189     return 0;
 190 }