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client.c
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client.c
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/*
chronyd/chronyc - Programs for keeping computer clocks accurate.
**********************************************************************
* Copyright (C) Richard P. Curnow 1997-2003
* Copyright (C) Lonnie Abelbeck 2016, 2018
* Copyright (C) Miroslav Lichvar 2009-2021
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
**********************************************************************
=======================================================================
Command line client for configuring the daemon and obtaining status
from it whilst running.
*/
#include "config.h"
#include "sysincl.h"
#include "array.h"
#include "candm.h"
#include "cmac.h"
#include "logging.h"
#include "memory.h"
#include "nameserv.h"
#include "getdate.h"
#include "cmdparse.h"
#include "pktlength.h"
#include "socket.h"
#include "util.h"
#ifdef FEAT_READLINE
#include <editline/readline.h>
#endif
/* ================================================== */
struct Address {
SCK_AddressType type;
union {
IPSockAddr ip;
char *path;
} addr;
};
static ARR_Instance server_addresses;
static int sock_fd = -1;
static volatile int quit = 0;
static int on_terminal = 0;
static int no_dns = 0;
static int source_names = 0;
static int csv_mode = 0;
/* ================================================== */
/* Log a message. This is a minimalistic replacement of the logging.c
implementation to avoid linking with it and other modules. */
LOG_Severity log_min_severity = LOGS_INFO;
void LOG_Message(LOG_Severity severity,
#if DEBUG > 0
int line_number, const char *filename, const char *function_name,
#endif
const char *format, ...)
{
va_list ap;
if (severity < log_min_severity)
return;
va_start(ap, format);
vfprintf(stderr, format, ap);
putc('\n', stderr);
va_end(ap);
}
/* ================================================== */
/* Read a single line of commands from standard input */
#ifdef FEAT_READLINE
static char **command_name_completion(const char *text, int start, int end);
#endif
static char *
read_line(void)
{
static char line[2048];
static const char *prompt = "chronyc> ";
if (on_terminal) {
#ifdef FEAT_READLINE
char *cmd;
rl_attempted_completion_function = command_name_completion;
rl_basic_word_break_characters = " \t\n\r";
/* save line only if not empty */
cmd = readline(prompt);
if( cmd == NULL ) return( NULL );
/* user pressed return */
if( *cmd != '\0' ) {
strncpy(line, cmd, sizeof(line) - 1);
line[sizeof(line) - 1] = '\0';
add_history(cmd);
/* free the buffer allocated by readline */
Free(cmd);
} else {
/* simulate the user has entered an empty line */
*line = '\0';
}
return( line );
#else
printf("%s", prompt);
fflush(stdout);
#endif
}
if (fgets(line, sizeof(line), stdin)) {
return line;
} else {
return NULL;
}
}
/* ================================================== */
static ARR_Instance
get_addresses(const char *hostnames, int port)
{
struct Address *addr;
ARR_Instance addrs;
char *hostname, *s1, *s2;
IPAddr ip_addrs[DNS_MAX_ADDRESSES];
int i;
addrs = ARR_CreateInstance(sizeof (*addr));
s1 = Strdup(hostnames);
/* Parse the comma-separated list of hostnames */
for (hostname = s1; hostname && *hostname; hostname = s2) {
s2 = strchr(hostname, ',');
if (s2)
*s2++ = '\0';
/* hostname starting with / is considered a path of Unix domain socket */
if (hostname[0] == '/') {
addr = ARR_GetNewElement(addrs);
addr->type = SCK_ADDR_UNIX;
addr->addr.path = Strdup(hostname);
} else {
if (DNS_Name2IPAddress(hostname, ip_addrs, DNS_MAX_ADDRESSES) != DNS_Success) {
DEBUG_LOG("Could not get IP address for %s", hostname);
continue;
}
for (i = 0; i < DNS_MAX_ADDRESSES && ip_addrs[i].family != IPADDR_UNSPEC; i++) {
addr = ARR_GetNewElement(addrs);
addr->type = SCK_ADDR_IP;
addr->addr.ip.ip_addr = ip_addrs[i];
addr->addr.ip.port = port;
DEBUG_LOG("Resolved %s to %s", hostname, UTI_IPToString(&ip_addrs[i]));
}
}
}
Free(s1);
return addrs;
}
/* ================================================== */
static void
free_addresses(ARR_Instance addresses)
{
struct Address *addr;
unsigned int i;
for (i = 0; i < ARR_GetSize(addresses); i++) {
addr = ARR_GetElement(addresses, i);
if (addr->type == SCK_ADDR_UNIX)
Free(addr->addr.path);
}
ARR_DestroyInstance(addresses);
}
/* ================================================== */
/* Initialise the socket used to talk to the daemon */
static int
open_socket(struct Address *addr)
{
char *dir, *local_addr;
size_t local_addr_len;
switch (addr->type) {
case SCK_ADDR_IP:
sock_fd = SCK_OpenUdpSocket(&addr->addr.ip, NULL, NULL, 0);
break;
case SCK_ADDR_UNIX:
/* Construct path of our socket. Use the same directory as the server
socket and include our process ID to allow multiple chronyc instances
running at the same time. */
dir = UTI_PathToDir(addr->addr.path);
local_addr_len = strlen(dir) + 50;
local_addr = Malloc(local_addr_len);
snprintf(local_addr, local_addr_len, "%s/chronyc.%d.sock", dir, (int)getpid());
sock_fd = SCK_OpenUnixDatagramSocket(addr->addr.path, local_addr,
SCK_FLAG_ALL_PERMISSIONS);
Free(dir);
Free(local_addr);
break;
default:
assert(0);
}
if (sock_fd < 0)
return 0;
return 1;
}
/* ================================================== */
static void
close_io(void)
{
if (sock_fd < 0)
return;
SCK_RemoveSocket(sock_fd);
SCK_CloseSocket(sock_fd);
sock_fd = -1;
}
/* ================================================== */
static int
open_io(void)
{
static unsigned int address_index = 0;
struct Address *addr;
/* If a socket is already opened, close it and try the next address */
if (sock_fd >= 0) {
close_io();
address_index++;
}
/* Find an address for which a socket can be opened and connected */
for (; address_index < ARR_GetSize(server_addresses); address_index++) {
addr = ARR_GetElement(server_addresses, address_index);
if (open_socket(addr))
return 1;
close_io();
}
/* Start from the first address if called again */
address_index = 0;
return 0;
}
/* ================================================== */
static void
bits_to_mask(int bits, int family, IPAddr *mask)
{
int i;
mask->family = family;
switch (family) {
case IPADDR_INET4:
if (bits > 32 || bits < 0)
bits = 32;
if (bits > 0) {
mask->addr.in4 = -1;
mask->addr.in4 <<= 32 - bits;
} else {
mask->addr.in4 = 0;
}
break;
case IPADDR_INET6:
if (bits > 128 || bits < 0)
bits = 128;
for (i = 0; i < bits / 8; i++)
mask->addr.in6[i] = 0xff;
if (i < 16)
mask->addr.in6[i++] = (0xff << (8 - bits % 8)) & 0xff;
for (; i < 16; i++)
mask->addr.in6[i] = 0x0;
break;
case IPADDR_ID:
mask->family = IPADDR_UNSPEC;
break;
default:
assert(0);
}
}
/* ================================================== */
static int
parse_source_address(char *word, IPAddr *address)
{
if (UTI_StringToIdIP(word, address))
return 1;
if (DNS_Name2IPAddress(word, address, 1) == DNS_Success)
return 1;
return 0;
}
/* ================================================== */
static int
read_mask_address(char *line, IPAddr *mask, IPAddr *address)
{
unsigned int bits;
char *p, *q;
p = line;
if (!*p) {
mask->family = address->family = IPADDR_UNSPEC;
return 1;
} else {
q = strchr(p, '/');
if (q) {
*q++ = 0;
if (UTI_StringToIP(p, mask)) {
p = q;
if (UTI_StringToIP(p, address)) {
if (address->family == mask->family)
return 1;
} else if (sscanf(p, "%u", &bits) == 1) {
*address = *mask;
bits_to_mask(bits, address->family, mask);
return 1;
}
}
} else {
if (parse_source_address(p, address)) {
bits_to_mask(-1, address->family, mask);
return 1;
} else {
LOG(LOGS_ERR, "Could not get address for hostname");
return 0;
}
}
}
LOG(LOGS_ERR, "Invalid syntax for mask/address");
return 0;
}
/* ================================================== */
static int
process_cmd_offline(CMD_Request *msg, char *line)
{
IPAddr mask, address;
int ok;
if (read_mask_address(line, &mask, &address)) {
UTI_IPHostToNetwork(&mask, &msg->data.offline.mask);
UTI_IPHostToNetwork(&address, &msg->data.offline.address);
msg->command = htons(REQ_OFFLINE);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static int
process_cmd_online(CMD_Request *msg, char *line)
{
IPAddr mask, address;
int ok;
if (read_mask_address(line, &mask, &address)) {
UTI_IPHostToNetwork(&mask, &msg->data.online.mask);
UTI_IPHostToNetwork(&address, &msg->data.online.address);
msg->command = htons(REQ_ONLINE);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static void
process_cmd_onoffline(CMD_Request *msg, char *line)
{
msg->command = htons(REQ_ONOFFLINE);
}
/* ================================================== */
static int
read_address_integer(char *line, IPAddr *address, int *value)
{
char *hostname;
int ok = 0;
hostname = line;
line = CPS_SplitWord(line);
if (sscanf(line, "%d", value) != 1) {
LOG(LOGS_ERR, "Invalid syntax for address value");
ok = 0;
} else {
if (!parse_source_address(hostname, address)) {
LOG(LOGS_ERR, "Could not get address for hostname");
ok = 0;
} else {
ok = 1;
}
}
return ok;
}
/* ================================================== */
static int
read_address_double(char *line, IPAddr *address, double *value)
{
char *hostname;
int ok = 0;
hostname = line;
line = CPS_SplitWord(line);
if (sscanf(line, "%lf", value) != 1) {
LOG(LOGS_ERR, "Invalid syntax for address value");
ok = 0;
} else {
if (!parse_source_address(hostname, address)) {
LOG(LOGS_ERR, "Could not get address for hostname");
ok = 0;
} else {
ok = 1;
}
}
return ok;
}
/* ================================================== */
static int
process_cmd_minpoll(CMD_Request *msg, char *line)
{
IPAddr address;
int minpoll;
int ok;
if (read_address_integer(line, &address, &minpoll)) {
UTI_IPHostToNetwork(&address, &msg->data.modify_minpoll.address);
msg->data.modify_minpoll.new_minpoll = htonl(minpoll);
msg->command = htons(REQ_MODIFY_MINPOLL);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static int
process_cmd_maxpoll(CMD_Request *msg, char *line)
{
IPAddr address;
int maxpoll;
int ok;
if (read_address_integer(line, &address, &maxpoll)) {
UTI_IPHostToNetwork(&address, &msg->data.modify_maxpoll.address);
msg->data.modify_maxpoll.new_maxpoll = htonl(maxpoll);
msg->command = htons(REQ_MODIFY_MAXPOLL);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static int
process_cmd_maxdelay(CMD_Request *msg, char *line)
{
IPAddr address;
double max_delay;
int ok;
if (read_address_double(line, &address, &max_delay)) {
UTI_IPHostToNetwork(&address, &msg->data.modify_maxdelay.address);
msg->data.modify_maxdelay.new_max_delay = UTI_FloatHostToNetwork(max_delay);
msg->command = htons(REQ_MODIFY_MAXDELAY);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static int
process_cmd_maxdelaydevratio(CMD_Request *msg, char *line)
{
IPAddr address;
double max_delay_dev_ratio;
int ok;
if (read_address_double(line, &address, &max_delay_dev_ratio)) {
UTI_IPHostToNetwork(&address, &msg->data.modify_maxdelaydevratio.address);
msg->data.modify_maxdelayratio.new_max_delay_ratio = UTI_FloatHostToNetwork(max_delay_dev_ratio);
msg->command = htons(REQ_MODIFY_MAXDELAYDEVRATIO);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static int
process_cmd_maxdelayratio(CMD_Request *msg, char *line)
{
IPAddr address;
double max_delay_ratio;
int ok;
if (read_address_double(line, &address, &max_delay_ratio)) {
UTI_IPHostToNetwork(&address, &msg->data.modify_maxdelayratio.address);
msg->data.modify_maxdelayratio.new_max_delay_ratio = UTI_FloatHostToNetwork(max_delay_ratio);
msg->command = htons(REQ_MODIFY_MAXDELAYRATIO);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static int
process_cmd_minstratum(CMD_Request *msg, char *line)
{
IPAddr address;
int min_stratum;
int ok;
if (read_address_integer(line, &address, &min_stratum)) {
UTI_IPHostToNetwork(&address, &msg->data.modify_minstratum.address);
msg->data.modify_minstratum.new_min_stratum = htonl(min_stratum);
msg->command = htons(REQ_MODIFY_MINSTRATUM);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static int
process_cmd_polltarget(CMD_Request *msg, char *line)
{
IPAddr address;
int poll_target;
int ok;
if (read_address_integer(line, &address, &poll_target)) {
UTI_IPHostToNetwork(&address, &msg->data.modify_polltarget.address);
msg->data.modify_polltarget.new_poll_target = htonl(poll_target);
msg->command = htons(REQ_MODIFY_POLLTARGET);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static int
process_cmd_maxupdateskew(CMD_Request *msg, char *line)
{
int ok;
double new_max_update_skew;
if (sscanf(line, "%lf", &new_max_update_skew) == 1) {
msg->data.modify_maxupdateskew.new_max_update_skew = UTI_FloatHostToNetwork(new_max_update_skew);
msg->command = htons(REQ_MODIFY_MAXUPDATESKEW);
ok = 1;
} else {
ok = 0;
}
return ok;
}
/* ================================================== */
static void
process_cmd_dump(CMD_Request *msg, char *line)
{
msg->command = htons(REQ_DUMP);
msg->data.dump.pad = htonl(0);
}
/* ================================================== */
static void
process_cmd_writertc(CMD_Request *msg, char *line)
{
msg->command = htons(REQ_WRITERTC);
}
/* ================================================== */
static void
process_cmd_trimrtc(CMD_Request *msg, char *line)
{
msg->command = htons(REQ_TRIMRTC);
}
/* ================================================== */
static void
process_cmd_cyclelogs(CMD_Request *msg, char *line)
{
msg->command = htons(REQ_CYCLELOGS);
}
/* ================================================== */
static int
process_cmd_burst(CMD_Request *msg, char *line)
{
int n_good_samples, n_total_samples;
char *s1, *s2;
IPAddr address, mask;
s1 = line;
s2 = CPS_SplitWord(s1);
CPS_SplitWord(s2);
if (sscanf(s1, "%d/%d", &n_good_samples, &n_total_samples) != 2) {
LOG(LOGS_ERR, "Invalid syntax for burst command");
return 0;
}
mask.family = address.family = IPADDR_UNSPEC;
if (*s2 && !read_mask_address(s2, &mask, &address)) {
return 0;
}
msg->command = htons(REQ_BURST);
msg->data.burst.n_good_samples = ntohl(n_good_samples);
msg->data.burst.n_total_samples = ntohl(n_total_samples);
UTI_IPHostToNetwork(&mask, &msg->data.burst.mask);
UTI_IPHostToNetwork(&address, &msg->data.burst.address);
return 1;
}
/* ================================================== */
static int
process_cmd_local(CMD_Request *msg, char *line)
{
int on_off, stratum = 0, orphan = 0;
double distance = 0.0;
if (!strcmp(line, "off")) {
on_off = 0;
} else if (CPS_ParseLocal(line, &stratum, &orphan, &distance)) {
on_off = 1;
} else {
LOG(LOGS_ERR, "Invalid syntax for local command");
return 0;
}
msg->command = htons(REQ_LOCAL2);
msg->data.local.on_off = htonl(on_off);
msg->data.local.stratum = htonl(stratum);
msg->data.local.distance = UTI_FloatHostToNetwork(distance);
msg->data.local.orphan = htonl(orphan);
return 1;
}
/* ================================================== */
static int
process_cmd_manual(CMD_Request *msg, const char *line)
{
const char *p;
p = line;
if (!strcmp(p, "off")) {
msg->data.manual.option = htonl(0);
} else if (!strcmp(p, "on")) {
msg->data.manual.option = htonl(1);
} else if (!strcmp(p, "reset")) {
msg->data.manual.option = htonl(2);
} else {
LOG(LOGS_ERR, "Invalid syntax for manual command");
return 0;
}
msg->command = htons(REQ_MANUAL);
return 1;
}
/* ================================================== */
static int
process_cmd_allowdeny(CMD_Request *msg, char *line, int cmd, int allcmd)
{
int all, subnet_bits;
IPAddr ip;
if (!CPS_ParseAllowDeny(line, &all, &ip, &subnet_bits)) {
LOG(LOGS_ERR, "Could not read address");
return 0;
}
msg->command = htons(all ? allcmd : cmd);
UTI_IPHostToNetwork(&ip, &msg->data.allow_deny.ip);
msg->data.allow_deny.subnet_bits = htonl(subnet_bits);
return 1;
}
/* ================================================== */
static int
process_cmd_accheck(CMD_Request *msg, char *line)
{
IPAddr ip;
msg->command = htons(REQ_ACCHECK);
if (DNS_Name2IPAddress(line, &ip, 1) == DNS_Success) {
UTI_IPHostToNetwork(&ip, &msg->data.ac_check.ip);
return 1;
} else {
LOG(LOGS_ERR, "Could not read address");
return 0;
}
}
/* ================================================== */
static int
process_cmd_cmdaccheck(CMD_Request *msg, char *line)
{
IPAddr ip;
msg->command = htons(REQ_CMDACCHECK);
if (DNS_Name2IPAddress(line, &ip, 1) == DNS_Success) {
UTI_IPHostToNetwork(&ip, &msg->data.ac_check.ip);
return 1;
} else {
LOG(LOGS_ERR, "Could not read address");
return 0;
}
}
/* ================================================== */
static int
process_cmd_dfreq(CMD_Request *msg, char *line)
{
double dfreq;
msg->command = htons(REQ_DFREQ);
if (sscanf(line, "%lf", &dfreq) != 1) {
LOG(LOGS_ERR, "Invalid value");
return 0;
}
msg->data.dfreq.dfreq = UTI_FloatHostToNetwork(dfreq);
return 1;
}
/* ================================================== */
static int
process_cmd_doffset(CMD_Request *msg, char *line)
{
double doffset;
msg->command = htons(REQ_DOFFSET2);
if (sscanf(line, "%lf", &doffset) != 1) {
LOG(LOGS_ERR, "Invalid value");
return 0;
}
msg->data.doffset.doffset = UTI_FloatHostToNetwork(doffset);
return 1;
}
/* ================================================== */
static int
process_cmd_add_source(CMD_Request *msg, char *line)
{
CPS_NTP_Source data;
IPAddr ip_addr;
int result = 0, status, type;
const char *opt_name, *word;
msg->command = htons(REQ_ADD_SOURCE);
word = line;
line = CPS_SplitWord(line);
if (!strcasecmp(word, "server")) {
type = REQ_ADDSRC_SERVER;
} else if (!strcasecmp(word, "peer")) {
type = REQ_ADDSRC_PEER;
} else if (!strcasecmp(word, "pool")) {
type = REQ_ADDSRC_POOL;
} else {
LOG(LOGS_ERR, "Invalid syntax for add command");
return 0;
}
status = CPS_ParseNTPSourceAdd(line, &data);
switch (status) {
case 0:
LOG(LOGS_ERR, "Invalid syntax for add command");
break;
default:
/* Verify that the address is resolvable (chronyc and chronyd are
assumed to be running on the same host) */
if (strlen(data.name) >= sizeof (msg->data.ntp_source.name) ||
DNS_Name2IPAddress(data.name, &ip_addr, 1) != DNS_Success) {
LOG(LOGS_ERR, "Invalid host/IP address");
break;
}
opt_name = NULL;
if (opt_name) {
LOG(LOGS_ERR, "%s can't be set in chronyc", opt_name);
break;
}
msg->data.ntp_source.type = htonl(type);
if (strlen(data.name) >= sizeof (msg->data.ntp_source.name))
assert(0);
strncpy((char *)msg->data.ntp_source.name, data.name,
sizeof (msg->data.ntp_source.name));
msg->data.ntp_source.port = htonl(data.port);
msg->data.ntp_source.minpoll = htonl(data.params.minpoll);
msg->data.ntp_source.maxpoll = htonl(data.params.maxpoll);
msg->data.ntp_source.presend_minpoll = htonl(data.params.presend_minpoll);
msg->data.ntp_source.min_stratum = htonl(data.params.min_stratum);
msg->data.ntp_source.poll_target = htonl(data.params.poll_target);
msg->data.ntp_source.version = htonl(data.params.version);
msg->data.ntp_source.max_sources = htonl(data.params.max_sources);
msg->data.ntp_source.min_samples = htonl(data.params.min_samples);
msg->data.ntp_source.max_samples = htonl(data.params.max_samples);
msg->data.ntp_source.authkey = htonl(data.params.authkey);
msg->data.ntp_source.nts_port = htonl(data.params.nts_port);
msg->data.ntp_source.max_delay = UTI_FloatHostToNetwork(data.params.max_delay);
msg->data.ntp_source.max_delay_ratio = UTI_FloatHostToNetwork(data.params.max_delay_ratio);
msg->data.ntp_source.max_delay_dev_ratio =
UTI_FloatHostToNetwork(data.params.max_delay_dev_ratio);
msg->data.ntp_source.min_delay = UTI_FloatHostToNetwork(data.params.min_delay);
msg->data.ntp_source.asymmetry = UTI_FloatHostToNetwork(data.params.asymmetry);
msg->data.ntp_source.offset = UTI_FloatHostToNetwork(data.params.offset);
msg->data.ntp_source.flags = htonl(
(data.params.connectivity == SRC_ONLINE ? REQ_ADDSRC_ONLINE : 0) |
(data.params.auto_offline ? REQ_ADDSRC_AUTOOFFLINE : 0) |
(data.params.iburst ? REQ_ADDSRC_IBURST : 0) |
(data.params.interleaved ? REQ_ADDSRC_INTERLEAVED : 0) |
(data.params.burst ? REQ_ADDSRC_BURST : 0) |
(data.params.nts ? REQ_ADDSRC_NTS : 0) |
(data.params.copy ? REQ_ADDSRC_COPY : 0) |
(data.params.ext_fields & NTP_EF_FLAG_EXP1 ? REQ_ADDSRC_EF_EXP1 : 0) |
(data.params.sel_options & SRC_SELECT_PREFER ? REQ_ADDSRC_PREFER : 0) |
(data.params.sel_options & SRC_SELECT_NOSELECT ? REQ_ADDSRC_NOSELECT : 0) |
(data.params.sel_options & SRC_SELECT_TRUST ? REQ_ADDSRC_TRUST : 0) |
(data.params.sel_options & SRC_SELECT_REQUIRE ? REQ_ADDSRC_REQUIRE : 0));
msg->data.ntp_source.filter_length = htonl(data.params.filter_length);
msg->data.ntp_source.cert_set = htonl(data.params.cert_set);
msg->data.ntp_source.max_delay_quant =
UTI_FloatHostToNetwork(data.params.max_delay_quant);
memset(msg->data.ntp_source.reserved, 0, sizeof (msg->data.ntp_source.reserved));
result = 1;
break;
}
return result;
}
/* ================================================== */
static int
process_cmd_delete(CMD_Request *msg, char *line)
{
char *hostname;
int ok = 0;
IPAddr address;
msg->command = htons(REQ_DEL_SOURCE);
hostname = line;
CPS_SplitWord(line);
if (!*hostname) {
LOG(LOGS_ERR, "Invalid syntax for address");
ok = 0;
} else {
if (!parse_source_address(hostname, &address)) {
LOG(LOGS_ERR, "Could not get address for hostname");
ok = 0;
} else {
UTI_IPHostToNetwork(&address, &msg->data.del_source.ip_addr);
ok = 1;
}
}
return ok;
}
/* ================================================== */
static void
give_help(void)