int pa_client_conf_env(pa_client_conf *c) {
char *e;
if ((e = getenv(ENV_DEFAULT_SINK))) {
pa_xfree(c->default_sink);
c->default_sink = pa_xstrdup(e);
}
if ((e = getenv(ENV_DEFAULT_SOURCE))) {
pa_xfree(c->default_source);
c->default_source = pa_xstrdup(e);
}
if ((e = getenv(ENV_DEFAULT_SERVER))) {
pa_xfree(c->default_server);
c->default_server = pa_xstrdup(e);
/* We disable autospawning automatically if a specific server was set */
c->autospawn = FALSE;
}
if ((e = getenv(ENV_DAEMON_BINARY))) {
pa_xfree(c->daemon_binary);
c->daemon_binary = pa_xstrdup(e);
}
if ((e = getenv(ENV_COOKIE_FILE))) {
pa_xfree(c->cookie_file);
c->cookie_file = pa_xstrdup(e);
return pa_client_conf_load_cookie(c);
}
return 0;
}
int pa_client_conf_env(pa_client_conf *c) {
char *e;
if ((e = getenv(ENV_DEFAULT_SINK))) {
pa_xfree(c->default_sink);
c->default_sink = pa_xstrdup(e);
}
if ((e = getenv(ENV_DEFAULT_SOURCE))) {
pa_xfree(c->default_source);
c->default_source = pa_xstrdup(e);
}
if ((e = getenv(ENV_DEFAULT_SERVER))) {
pa_xfree(c->default_server);
c->default_server = pa_xstrdup(e);
}
if ((e = getenv(ENV_DAEMON_BINARY))) {
pa_xfree(c->daemon_binary);
c->daemon_binary = pa_xstrdup(e);
}
if ((e = getenv(ENV_COOKIE_FILE))) {
pa_xfree(c->cookie_file);
c->cookie_file = pa_xstrdup(e);
return pa_client_conf_load_cookie(c);
}
return 0;
}
static void setup_context(pa_context *c, pa_iochannel *io) {
uint8_t cookie[PA_NATIVE_COOKIE_LENGTH];
pa_tagstruct *t;
uint32_t tag;
pa_assert(c);
pa_assert(io);
pa_context_ref(c);
pa_assert(!c->pstream);
c->pstream = pa_pstream_new(c->mainloop, io, c->mempool);
pa_pstream_set_die_callback(c->pstream, pstream_die_callback, c);
pa_pstream_set_receive_packet_callback(c->pstream, pstream_packet_callback, c);
pa_pstream_set_receive_memblock_callback(c->pstream, pstream_memblock_callback, c);
pa_assert(!c->pdispatch);
c->pdispatch = pa_pdispatch_new(c->mainloop, c->use_rtclock, command_table, PA_COMMAND_MAX);
if (pa_client_conf_load_cookie(c->conf, cookie, sizeof(cookie)) < 0)
pa_log_info("No cookie loaded. Attempting to connect without.");
t = pa_tagstruct_command(c, PA_COMMAND_AUTH, &tag);
c->do_shm =
pa_mempool_is_shared(c->mempool) &&
c->is_local;
pa_log_debug("SHM possible: %s", pa_yes_no(c->do_shm));
/* Starting with protocol version 13 we use the MSB of the version
* tag for informing the other side if we could do SHM or not.
* Starting from version 31, second MSB is used to flag memfd support. */
pa_tagstruct_putu32(t, PA_PROTOCOL_VERSION | (c->do_shm ? 0x80000000U : 0) |
(c->memfd_on_local ? 0x40000000 : 0));
pa_tagstruct_put_arbitrary(t, cookie, sizeof(cookie));
#ifdef HAVE_CREDS
{
pa_creds ucred;
if (pa_iochannel_creds_supported(io))
pa_iochannel_creds_enable(io);
ucred.uid = getuid();
ucred.gid = getgid();
pa_pstream_send_tagstruct_with_creds(c->pstream, t, &ucred);
}
#else
pa_pstream_send_tagstruct(c->pstream, t);
#endif
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, c, NULL);
pa_context_set_state(c, PA_CONTEXT_AUTHORIZING);
pa_context_unref(c);
}
int pa_client_conf_load(pa_client_conf *c, const char *filename) {
FILE *f = NULL;
char *fn = NULL;
int r = -1;
/* Prepare the configuration parse table */
pa_config_item table[] = {
{ "daemon-binary", pa_config_parse_string, NULL },
{ "extra-arguments", pa_config_parse_string, NULL },
{ "default-sink", pa_config_parse_string, NULL },
{ "default-source", pa_config_parse_string, NULL },
{ "default-server", pa_config_parse_string, NULL },
{ "autospawn", pa_config_parse_bool, NULL },
{ "cookie-file", pa_config_parse_string, NULL },
{ "disable-shm", pa_config_parse_bool, NULL },
{ NULL, NULL, NULL },
};
table[0].data = &c->daemon_binary;
table[1].data = &c->extra_arguments;
table[2].data = &c->default_sink;
table[3].data = &c->default_source;
table[4].data = &c->default_server;
table[5].data = &c->autospawn;
table[6].data = &c->cookie_file;
table[7].data = &c->disable_shm;
f = filename ?
fopen((fn = pa_xstrdup(filename)), "r") :
pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn, "r");
if (!f && errno != EINTR) {
pa_log_warn("Failed to open configuration file '%s': %s", fn, pa_cstrerror(errno));
goto finish;
}
r = f ? pa_config_parse(fn, f, table, NULL) : 0;
if (!r)
r = pa_client_conf_load_cookie(c);
finish:
pa_xfree(fn);
if (f)
fclose(f);
return r;
}
int pa_client_conf_load(pa_client_conf *c, const char *filename) {
FILE *f = NULL;
char *fn = NULL;
int r = -1;
/* Prepare the configuration parse table */
pa_config_item table[] = {
{ "daemon-binary", pa_config_parse_string, &c->daemon_binary, NULL },
{ "extra-arguments", pa_config_parse_string, &c->extra_arguments, NULL },
{ "default-sink", pa_config_parse_string, &c->default_sink, NULL },
{ "default-source", pa_config_parse_string, &c->default_source, NULL },
{ "default-server", pa_config_parse_string, &c->default_server, NULL },
{ "autospawn", pa_config_parse_bool, &c->autospawn, NULL },
{ "cookie-file", pa_config_parse_string, &c->cookie_file, NULL },
{ "disable-shm", pa_config_parse_bool, &c->disable_shm, NULL },
{ "enable-shm", pa_config_parse_not_bool, &c->disable_shm, NULL },
{ "shm-size-bytes", pa_config_parse_size, &c->shm_size, NULL },
{ NULL, NULL, NULL, NULL },
};
if (filename) {
if (!(f = fopen(filename, "r"))) {
pa_log(_("Failed to open configuration file '%s': %s"), fn, pa_cstrerror(errno));
goto finish;
}
fn = pa_xstrdup(fn);
} else {
if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
if (errno != ENOENT)
goto finish;
}
r = f ? pa_config_parse(fn, f, table, NULL) : 0;
if (!r)
r = pa_client_conf_load_cookie(c);
finish:
pa_xfree(fn);
if (f)
fclose(f);
return r;
}