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activate SHM support on the server side only when new client supports it and when client and server have the same UID.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1277 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-08-18 23:44:35 +00:00
parent c313b23d5f
commit e33abc3089
1 changed files with 23 additions and 2 deletions
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25
src/pulsecore/protocol-native.c
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@ -961,6 +961,15 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t
(unsigned long) creds->uid,
(unsigned long) creds->gid,
success);
if (c->version >= 10 &&
pa_mempool_is_shared(c->protocol->core->mempool) &&
creds->uid == getuid()) {
pa_pstream_use_shm(c->pstream, 1);
pa_log_info("Enabled SHM for new connection");
}
}
#endif
@ -982,7 +991,21 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t
reply = reply_new(tag);
pa_tagstruct_putu32(reply, PA_PROTOCOL_VERSION);
#ifdef HAVE_CREDS
{
/* SHM support is only enabled after both sides made sure they are the same user. */
pa_creds ucred;
ucred.uid = getuid();
ucred.gid = getgid();
pa_pstream_send_tagstruct_with_creds(c->pstream, reply, &ucred);
}
#else
pa_pstream_send_tagstruct(c->pstream, reply);
#endif
}
static void command_set_client_name(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
@ -2353,8 +2376,6 @@ static void on_connection(PA_GCC_UNUSED pa_socket_server*s, pa_iochannel *io, vo
c->pstream = pa_pstream_new(p->core->mainloop, io, p->core->mempool);
assert(c->pstream);
pa_pstream_use_shm(c->pstream, 1);
pa_pstream_set_recieve_packet_callback(c->pstream, pstream_packet_callback, c);
pa_pstream_set_recieve_memblock_callback(c->pstream, pstream_memblock_callback, c);
pa_pstream_set_die_callback(c->pstream, pstream_die_callback, c);