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* add new --system command line parameter to the daemon for running PulseAudio as system-wide instance

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* add PA_ prefixes to all global #defines
* modify auth-by-creds: define a new group "pulse-access" which is used for authentication
* add proper privilige dropping when running in --system mode
* create runtime directory once on startup and not by each module seperately


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1105 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-07-19 17:44:19 +00:00
parent 9db70682d6
commit 9c87a65ce9
28 changed files with 403 additions and 135 deletions
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24
src/pulse/context.c
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@ -33,6 +33,8 @@
#include <errno.h>
#include <signal.h>
#include <limits.h>
#include <sys/socket.h>
#include <sys/un.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
@ -270,7 +272,7 @@ static void pstream_die_callback(pa_pstream *p, void *userdata) {
pa_context_fail(c, PA_ERR_CONNECTIONTERMINATED);
}
static void pstream_packet_callback(pa_pstream *p, pa_packet *packet, const void *creds, void *userdata) {
static void pstream_packet_callback(pa_pstream *p, pa_packet *packet, const struct ucred *creds, void *userdata) {
pa_context *c = userdata;
assert(p);
@ -420,7 +422,23 @@ static void setup_context(pa_context *c, pa_iochannel *io) {
t = pa_tagstruct_command(c, PA_COMMAND_AUTH, &tag);
pa_tagstruct_putu32(t, PA_PROTOCOL_VERSION);
pa_tagstruct_put_arbitrary(t, c->conf->cookie, sizeof(c->conf->cookie));
pa_pstream_send_tagstruct_with_creds(c->pstream, t, 1);
#ifdef SCM_CREDENTIALS
{
struct ucred ucred;
ucred.pid = getpid();
ucred.uid = getuid();
if ((ucred.gid = pa_get_gid_of_group(PA_ACCESS_GROUP)) == (gid_t) -1)
ucred.gid = getgid();
pa_pstream_send_tagstruct_with_creds(c->pstream, t, &ucred);
}
#else
pa_pstream_send_tagstruct_with_creds(c->pstream, t, NULL);
#endif
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, c, NULL);
pa_context_set_state(c, PA_CONTEXT_AUTHORIZING);
@ -680,7 +698,7 @@ int pa_context_connect(
char lf[PATH_MAX];
pa_runtime_path(AUTOSPAWN_LOCK, lf, sizeof(lf));
pa_make_secure_parent_dir(lf);
pa_make_secure_parent_dir(lf, 0700, getuid(), getgid());
assert(c->autospawn_lock_fd <= 0);
c->autospawn_lock_fd = pa_lock_lockfile(lf);