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cmdmon: don't create socket when cmdport is 0

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This commit is contained in:
Miroslav Lichvar 2014-06-30 12:36:52 +02:00
parent cc1c6c94e3
commit 129aa587c6
2 changed files with 12 additions and 12 deletions
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3
chrony.texi.in
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@ -1447,7 +1447,8 @@ There is also a @code{cmddeny all} directive with similar behaviour to the
The @code{cmdport} directive allows the port that is used for run-time
command and monitoring (via the program @code{chronyc}) to be altered
from its default (323/udp).
from its default (323/udp). If set to 0, @code{chronyd} will not open the
port, this is useful to disable the @code{chronyc} access completely.
An example shows the syntax

21
cmdmon.c
View file

@ -171,22 +171,19 @@ static ADF_AuthTable access_auth_table;
/* ================================================== */
/* Forward prototypes */
static int prepare_socket(int family);
static void read_from_cmd_socket(void *anything);
/* ================================================== */
static int
prepare_socket(int family)
prepare_socket(int family, int port_number)
{
int port_number, sock_fd;
int sock_fd;
socklen_t my_addr_len;
union sockaddr_in46 my_addr;
IPAddr bind_address;
int on_off = 1;
port_number = CNF_GetCommandPort();
sock_fd = socket(family, SOCK_DGRAM, 0);
if (sock_fd < 0) {
LOG(LOGS_ERR, LOGF_CmdMon, "Could not open %s command socket : %s",
@ -265,7 +262,7 @@ prepare_socket(int family)
void
CAM_Initialise(int family)
{
int i;
int i, port_number;
assert(!initialised);
initialised = 1;
@ -293,18 +290,20 @@ CAM_Initialise(int family)
free_replies = NULL;
kept_replies.next = NULL;
if (family == IPADDR_UNSPEC || family == IPADDR_INET4)
sock_fd4 = prepare_socket(AF_INET);
port_number = CNF_GetCommandPort();
if (port_number && (family == IPADDR_UNSPEC || family == IPADDR_INET4))
sock_fd4 = prepare_socket(AF_INET, port_number);
else
sock_fd4 = -1;
#ifdef HAVE_IPV6
if (family == IPADDR_UNSPEC || family == IPADDR_INET6)
sock_fd6 = prepare_socket(AF_INET6);
if (port_number && (family == IPADDR_UNSPEC || family == IPADDR_INET6))
sock_fd6 = prepare_socket(AF_INET6, port_number);
else
sock_fd6 = -1;
#endif
if (sock_fd4 < 0
if (port_number && sock_fd4 < 0
#ifdef HAVE_IPV6
&& sock_fd6 < 0
#endif