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Fix another logic bug that came out of recent syslogd refactoring and exposed by

Browse source 
the r316874: don't call shutdown(2) on all sockets, but only net ones, which seems
to be the behaviour existed before that refactoring. Also don't call listen(2)
in datagram sockets and fix misplaced debug messages while I am here.

Reported by: peter
This commit is contained in:
Maxim Sobolev 2017-04-15 18:20:11 +00:00
parent e0427caa47
commit 023653459a
1 changed files with 10 additions and 5 deletions
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15
usr.sbin/syslogd/syslogd.c
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@ -3003,10 +3003,14 @@ socksetup(struct peer *pe)
continue;
}
dprintf("new socket fd is %d\n", s);
listen(s, 5);
if (res->ai_socktype != SOCK_DGRAM) {
listen(s, 5);
}
sl_recv = socklist_recv_sock;
dprintf("shutdown\n");
if (SecureMode || res->ai_family == AF_LOCAL) {
#if defined(INET) || defined(INET6)
if (SecureMode && (res->ai_family == AF_INET ||
res->ai_family == AF_INET6)) {
dprintf("shutdown\n");
/* Forbid communication in secure mode. */
if (shutdown(s, SHUT_RD) < 0 &&
errno != ENOTCONN) {
@ -3014,10 +3018,11 @@ socksetup(struct peer *pe)
if (!Debug)
die(0);
}
dprintf("listening on socket\n");
sl_recv = NULL;
} else
dprintf("sending on socket\n");
#endif
dprintf("listening on socket\n");
dprintf("sending on socket\n");
addsock(res->ai_addr, res->ai_addrlen,
&(struct socklist){
.sl_socket = s,