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

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of polypaudio.
   5
   6   polypaudio 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   polypaudio 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 polypaudio; 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 <polypcore/xmalloc.h>
  33 #include <polypcore/log.h>
  34 #include <polypcore/conf-parser.h>
  35 #include <polypcore/util.h>
  36 #include <polypcore/authkey.h>
  37
  38 #include "client-conf.h"
  39
  40 #ifndef DEFAULT_CONFIG_DIR
  41 # ifndef OS_IS_WIN32
  42 #  define DEFAULT_CONFIG_DIR "/etc/polypaudio"
  43 # else
  44 #  define DEFAULT_CONFIG_DIR "%POLYP_ROOT%"
  45 # endif
  46 #endif
  47
  48 #ifndef OS_IS_WIN32
  49 # define PATH_SEP "/"
  50 #else
  51 # define PATH_SEP "\\"
  52 #endif
  53
  54 #define DEFAULT_CLIENT_CONFIG_FILE DEFAULT_CONFIG_DIR PATH_SEP "client.conf"
  55 #define DEFAULT_CLIENT_CONFIG_FILE_USER ".polypaudio" PATH_SEP "client.conf"
  56
  57 #define ENV_CLIENT_CONFIG_FILE "POLYP_CLIENTCONFIG"
  58 #define ENV_DEFAULT_SINK "POLYP_SINK"
  59 #define ENV_DEFAULT_SOURCE "POLYP_SOURCE"
  60 #define ENV_DEFAULT_SERVER "POLYP_SERVER"
  61 #define ENV_DAEMON_BINARY "POLYP_BINARY"
  62 #define ENV_COOKIE_FILE "POLYP_COOKIE"
  63
  64 static const pa_client_conf default_conf = {
  65     .daemon_binary = NULL,
  66     .extra_arguments = NULL,
  67     .default_sink = NULL,
  68     .default_source = NULL,
  69     .default_server = NULL,
  70     .autospawn = 0,
  71     .cookie_file = NULL,
  72     .cookie_valid = 0
  73 };
  74
  75 pa_client_conf *pa_client_conf_new(void) {
  76     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  77
  78     c->daemon_binary = pa_xstrdup(POLYPAUDIO_BINARY);
  79     c->extra_arguments = pa_xstrdup("--log-target=syslog --exit-idle-time=5");
  80     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  81
  82     return c;
  83 }
  84
  85 void pa_client_conf_free(pa_client_conf *c) {
  86     assert(c);
  87     pa_xfree(c->daemon_binary);
  88     pa_xfree(c->extra_arguments);
  89     pa_xfree(c->default_sink);
  90     pa_xfree(c->default_source);
  91     pa_xfree(c->default_server);
  92     pa_xfree(c->cookie_file);
  93     pa_xfree(c);
  94 }
  95 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  96     FILE *f = NULL;
  97     char *fn = NULL;
  98     int r = -1;
  99
 100     /* Prepare the configuration parse table */
 101     pa_config_item table[] = {
 102         { "daemon-binary",          pa_config_parse_string,  NULL },
 103         { "extra-arguments",        pa_config_parse_string,  NULL },
 104         { "default-sink",           pa_config_parse_string,  NULL },
 105         { "default-source",         pa_config_parse_string,  NULL },
 106         { "default-server",         pa_config_parse_string,  NULL },
 107         { "autospawn",              pa_config_parse_bool,    NULL },
 108         { "cookie-file",            pa_config_parse_string,  NULL },
 109         { NULL,                     NULL,                    NULL },
 110     };
 111
 112     table[0].data = &c->daemon_binary;
 113     table[1].data = &c->extra_arguments;
 114     table[2].data = &c->default_sink;
 115     table[3].data = &c->default_source;
 116     table[4].data = &c->default_server;
 117     table[5].data = &c->autospawn;
 118     table[6].data = &c->cookie_file;
 119
 120     f = filename ?
 121         fopen((fn = pa_xstrdup(filename)), "r") :
 122         pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn);
 123
 124     if (!f && errno != EINTR) {
 125         pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s", filename, strerror(errno));
 126         goto finish;
 127     }
 128
 129     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 130
 131     if (!r)
 132         r = pa_client_conf_load_cookie(c);
 133
 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     assert(c);
 179
 180     c->cookie_valid = 0;
 181
 182     if (!c->cookie_file)
 183         return -1;
 184
 185     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 186         return -1;
 187
 188     c->cookie_valid = 1;
 189     return 0;
 190 }
 191