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     .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 }