code.delx.au - pulseaudio/blob - 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 #include <stdlib.h>
  23 #include <assert.h>
  24 #include <unistd.h>
  25 #include <errno.h>
  26 #include <string.h>
  27
  28 #include "client-conf.h"
  29 #include "xmalloc.h"
  30 #include "log.h"
  31 #include "conf-parser.h"
  32 #include "util.h"
  33 #include "authkey.h"
  34
  35 #ifndef DEFAULT_CONFIG_DIR
  36 #define DEFAULT_CONFIG_DIR "/etc/polypaudio"
  37 #endif
  38
  39 #define DEFAULT_CLIENT_CONFIG_FILE DEFAULT_CONFIG_DIR"/client.conf"
  40 #define DEFAULT_CLIENT_CONFIG_FILE_USER ".polypaudio/client.conf"
  41
  42 #define ENV_CLIENT_CONFIG_FILE "POLYP_CLIENTCONFIG"
  43 #define ENV_DEFAULT_SINK "POLYP_SINK"
  44 #define ENV_DEFAULT_SOURCE "POLYP_SOURCE"
  45 #define ENV_DEFAULT_SERVER "POLYP_SERVER"
  46 #define ENV_DAEMON_BINARY "POLYP_BINARY"
  47 #define ENV_COOKIE_FILE "POLYP_COOKIE"
  48
  49 static const struct pa_client_conf default_conf = {
  50     .daemon_binary = NULL,
  51     .extra_arguments = NULL,
  52     .default_sink = NULL,
  53     .default_source = NULL,
  54     .default_server = NULL,
  55     .autospawn = 0,
  56     .cookie_file = NULL,
  57     .cookie_valid = 0
  58 };
  59
  60 struct pa_client_conf *pa_client_conf_new(void) {
  61     struct pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  62
  63     c->daemon_binary = pa_xstrdup(POLYPAUDIO_BINARY);
  64     c->extra_arguments = pa_xstrdup("--log-target=syslog --exit-idle-time=5");
  65     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  66
  67     return c;
  68 }
  69
  70 void pa_client_conf_free(struct pa_client_conf *c) {
  71     assert(c);
  72     pa_xfree(c->daemon_binary);
  73     pa_xfree(c->extra_arguments);
  74     pa_xfree(c->default_sink);
  75     pa_xfree(c->default_source);
  76     pa_xfree(c->default_server);
  77     pa_xfree(c->cookie_file);
  78     pa_xfree(c);
  79 }
  80 int pa_client_conf_load(struct pa_client_conf *c, const char *filename) {
  81     FILE *f = NULL;
  82     char *fn = NULL;
  83     int r = -1;
  84
  85     /* Prepare the configuration parse table */
  86     struct pa_config_item table[] = {
  87         { "daemon-binary",          pa_config_parse_string,  NULL },
  88         { "extra-arguments",        pa_config_parse_string,  NULL },
  89         { "default-sink",           pa_config_parse_string,  NULL },
  90         { "default-source",         pa_config_parse_string,  NULL },
  91         { "default-server",         pa_config_parse_string,  NULL },
  92         { "autospawn",              pa_config_parse_bool,    NULL },
  93         { "cookie-file",            pa_config_parse_string,  NULL },
  94         { NULL,                     NULL,                    NULL },
  95     };
  96
  97     table[0].data = &c->daemon_binary;
  98     table[1].data = &c->extra_arguments;
  99     table[2].data = &c->default_sink;
 100     table[3].data = &c->default_source;
 101     table[4].data = &c->default_server;
 102     table[5].data = &c->autospawn;
 103     table[6].data = &c->cookie_file;
 104
 105     f = filename ?
 106         fopen((fn = pa_xstrdup(filename)), "r") :
 107         pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn);
 108
 109     if (!f && errno != EINTR) {
 110         pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s\n", filename, strerror(errno));
 111         goto finish;
 112     }
 113
 114     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 115
 116     if (!r)
 117         r = pa_client_conf_load_cookie(c);
 118
 119
 120 finish:
 121     pa_xfree(fn);
 122
 123     if (f)
 124         fclose(f);
 125
 126     return r;
 127 }
 128
 129 int pa_client_conf_env(struct pa_client_conf *c) {
 130     char *e;
 131
 132     if ((e = getenv(ENV_DEFAULT_SINK))) {
 133         pa_xfree(c->default_sink);
 134         c->default_sink = pa_xstrdup(e);
 135     }
 136
 137     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 138         pa_xfree(c->default_source);
 139         c->default_source = pa_xstrdup(e);
 140     }
 141
 142     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 143         pa_xfree(c->default_server);
 144         c->default_server = pa_xstrdup(e);
 145     }
 146
 147     if ((e = getenv(ENV_DAEMON_BINARY))) {
 148         pa_xfree(c->daemon_binary);
 149         c->daemon_binary = pa_xstrdup(e);
 150     }
 151
 152     if ((e = getenv(ENV_COOKIE_FILE))) {
 153         pa_xfree(c->cookie_file);
 154         c->cookie_file = pa_xstrdup(e);
 155
 156         return pa_client_conf_load_cookie(c);
 157     }
 158
 159     return 0;
 160 }
 161
 162 int pa_client_conf_load_cookie(struct pa_client_conf* c) {
 163     assert(c);
 164
 165     c->cookie_valid = 0;
 166
 167     if (!c->cookie_file)
 168         return -1;
 169
 170     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 171         return -1;
 172
 173     c->cookie_valid = 1;
 174     return 0;
 175 }
 176