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 2.1 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     .shm_size = 0
  65 };
  66
  67 pa_client_conf *pa_client_conf_new(void) {
  68     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  69
  70     c->daemon_binary = pa_xstrdup(PA_BINARY);
  71     c->extra_arguments = pa_xstrdup("--log-target=syslog");
  72     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  73
  74     return c;
  75 }
  76
  77 void pa_client_conf_free(pa_client_conf *c) {
  78     pa_assert(c);
  79     pa_xfree(c->daemon_binary);
  80     pa_xfree(c->extra_arguments);
  81     pa_xfree(c->default_sink);
  82     pa_xfree(c->default_source);
  83     pa_xfree(c->default_server);
  84     pa_xfree(c->cookie_file);
  85     pa_xfree(c);
  86 }
  87
  88 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  89     FILE *f = NULL;
  90     char *fn = NULL;
  91     int r = -1;
  92
  93     /* Prepare the configuration parse table */
  94     pa_config_item table[] = {
  95         { "daemon-binary",          pa_config_parse_string,  NULL, NULL },
  96         { "extra-arguments",        pa_config_parse_string,  NULL, NULL },
  97         { "default-sink",           pa_config_parse_string,  NULL, NULL },
  98         { "default-source",         pa_config_parse_string,  NULL, NULL },
  99         { "default-server",         pa_config_parse_string,  NULL, NULL },
 100         { "autospawn",              pa_config_parse_bool,    NULL, NULL },
 101         { "cookie-file",            pa_config_parse_string,  NULL, NULL },
 102         { "disable-shm",            pa_config_parse_bool,    NULL, NULL },
 103         { "shm-size-bytes",         pa_config_parse_size,    NULL, NULL },
 104         { NULL,                     NULL,                    NULL, NULL },
 105     };
 106
 107     table[0].data = &c->daemon_binary;
 108     table[1].data = &c->extra_arguments;
 109     table[2].data = &c->default_sink;
 110     table[3].data = &c->default_source;
 111     table[4].data = &c->default_server;
 112     table[5].data = &c->autospawn;
 113     table[6].data = &c->cookie_file;
 114     table[7].data = &c->disable_shm;
 115     table[8].data = &c->shm_size;
 116
 117     if (filename) {
 118
 119         if (!(f = fopen(filename, "r"))) {
 120             pa_log(_("Failed to open configuration file '%s': %s"), fn, pa_cstrerror(errno));
 121             goto finish;
 122         }
 123
 124         fn = pa_xstrdup(fn);
 125
 126     } else {
 127
 128         if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
 129             if (errno != ENOENT)
 130                 goto finish;
 131     }
 132
 133     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 134
 135     if (!r)
 136         r = pa_client_conf_load_cookie(c);
 137
 138 finish:
 139     pa_xfree(fn);
 140
 141     if (f)
 142         fclose(f);
 143
 144     return r;
 145 }
 146
 147 int pa_client_conf_env(pa_client_conf *c) {
 148     char *e;
 149
 150     if ((e = getenv(ENV_DEFAULT_SINK))) {
 151         pa_xfree(c->default_sink);
 152         c->default_sink = pa_xstrdup(e);
 153     }
 154
 155     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 156         pa_xfree(c->default_source);
 157         c->default_source = pa_xstrdup(e);
 158     }
 159
 160     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 161         pa_xfree(c->default_server);
 162         c->default_server = pa_xstrdup(e);
 163     }
 164
 165     if ((e = getenv(ENV_DAEMON_BINARY))) {
 166         pa_xfree(c->daemon_binary);
 167         c->daemon_binary = pa_xstrdup(e);
 168     }
 169
 170     if ((e = getenv(ENV_COOKIE_FILE))) {
 171         pa_xfree(c->cookie_file);
 172         c->cookie_file = pa_xstrdup(e);
 173
 174         return pa_client_conf_load_cookie(c);
 175     }
 176
 177     return 0;
 178 }
 179
 180 int pa_client_conf_load_cookie(pa_client_conf* c) {
 181     pa_assert(c);
 182
 183     if (!c->cookie_file)
 184         return -1;
 185
 186     c->cookie_valid = FALSE;
 187
 188     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 189         return -1;
 190
 191     c->cookie_valid = TRUE;
 192     return 0;
 193 }