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Change backlog from 5 to 64 and provide option --listen-backlog.

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* agent/gpg-agent.c (oListenBacklog): New const.
(opts): New option --listen-backlog.
(listen_backlog): New var.
(main): Parse new options.
(create_server_socket): Use var instead of 5.
* dirmngr/dirmngr.c: Likewise.
* scd/scdaemon.c: Likewise.
--

GnuPG-bug-id: 3473
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-12-12 14:14:40 +01:00
parent 17efcd2a2a
commit c81a447190
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
6 changed files with 53 additions and 7 deletions
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15
dirmngr/dirmngr.c
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@ -151,6 +151,7 @@ enum cmd_and_opt_values {
oResolverTimeout,
oConnectTimeout,
oConnectQuickTimeout,
oListenBacklog,
aTest
};
@ -256,6 +257,7 @@ static ARGPARSE_OPTS opts[] = {
ARGPARSE_s_i (oResolverTimeout, "resolver-timeout", "@"),
ARGPARSE_s_i (oConnectTimeout, "connect-timeout", "@"),
ARGPARSE_s_i (oConnectQuickTimeout, "connect-quick-timeout", "@"),
ARGPARSE_s_i (oListenBacklog, "listen-backlog", "@"),
ARGPARSE_group (302,N_("@\n(See the \"info\" manual for a complete listing "
"of all commands and options)\n")),
@ -296,6 +298,10 @@ static const char *redir_socket_name;
POSIX systems). */
static assuan_sock_nonce_t socket_nonce;
/* Value for the listen() backlog argument.
* Change at runtime with --listen-backlog. */
static int listen_backlog = 64;
/* Only if this flag has been set will we remove the socket file. */
static int cleanup_socket;
@ -1019,6 +1025,10 @@ main (int argc, char **argv)
case oSocketName: socket_name = pargs.r.ret_str; break;
case oListenBacklog:
listen_backlog = pargs.r.ret_int;
break;
default : pargs.err = configfp? 1:2; break;
}
}
@ -1263,9 +1273,10 @@ main (int argc, char **argv)
log_error (_("can't set permissions of '%s': %s\n"),
serv_addr.sun_path, strerror (errno));
if (listen (FD2INT (fd), 5) == -1)
if (listen (FD2INT (fd), listen_backlog) == -1)
{
log_error (_("listen() failed: %s\n"), strerror (errno));
log_error ("listen(fd,%d) failed: %s\n",
listen_backlog, strerror (errno));
assuan_sock_close (fd);
dirmngr_exit (1);
}