int main(int argc, char* argv[])
{
signal(SIGINT, signal_term);
signal(SIGTERM, signal_term);
int daemon_mode = (argc > 1 && strcmp(argv[1], "-d") == 0) ? 1 : 0;
if (daemon_mode) {
if (file_exists(file_pid)) {
perror("already running");
exit(1);
}
pid_t pid = fork();
// fork failed
if (pid < 0) {
return -1;
} else if (pid != 0) {
// fork successed, parent exit
return 0;
}
write_pid();
setsid();
chdir("/");
umask(0755);
close(0);
close(1);
close(2);
}
lcd_connect();
lcd_reset();
lcd_clear();
lcd_toggle_backlight();
sleep(1);
do {
show_hostname();
show_time();
show_uptime();
show_mems();
show_loads();
show_diskspace(DEFAULT_DISKSPACE_DIR);
show_ip(DEFAULT_NETWORK_INTERFACE);
show_traffic(DEFAULT_NETWORK_INTERFACE);
sleep(10);
} while (!signal_term_received);
lcd_clear();
lcd_reset();
lcd_disconnect();
unlink(file_pid);
return 0;
}
int main(int argc, char **argv) {
pr_scoreboard_entry_t *score = NULL;
pid_t mpid = 0;
time_t uptime = 0;
unsigned int count = 0, total = 0;
int c = 0, res = 0;
char *server_name = NULL;
struct scoreboard_class classes[MAX_CLASSES];
char *cp, *progname = *argv;
const char *cmdopts = "S:c:f:ho:v";
unsigned char verbose = FALSE;
unsigned long outform = 0;
memset(classes, 0, MAX_CLASSES * sizeof(struct scoreboard_class));
cp = strrchr(progname, '/');
if (cp != NULL)
progname = cp+1;
opterr = 0;
while ((c =
#ifdef HAVE_GETOPT_LONG
getopt_long(argc, argv, cmdopts, opts, NULL)
#else /* HAVE_GETOPT_LONG */
getopt(argc, argv, cmdopts)
#endif /* HAVE_GETOPT_LONG */
) != -1) {
switch (c) {
case 'h':
show_usage(progname, 0);
case 'v':
verbose = TRUE;
break;
case 'f':
util_set_scoreboard(optarg);
break;
case 'c':
config_filename = strdup(optarg);
break;
case 'o':
/* Check the given outform parameter. */
if (strcmp(optarg, "compat") == 0) {
outform |= OF_COMPAT;
break;
} else if (strcmp(optarg, "oneline") == 0) {
outform |= OF_ONELINE;
break;
}
fprintf(stderr, "unknown outform value: '%s'\n", optarg);
return 1;
case 'S':
server_name = strdup(optarg);
break;
case '?':
fprintf(stderr, "unknown option: %c\n", (char) optopt);
show_usage(progname, 1);
}
}
/* First attempt to check the supplied/default scoreboard path. If this is
* incorrect, try the config file kludge.
*/
if (check_scoreboard_file() < 0) {
char *path;
path = util_scan_config(config_filename, "ScoreboardFile");
if (path) {
util_set_scoreboard(path);
free(path);
}
if (check_scoreboard_file() < 0) {
fprintf(stderr, "%s: %s\n", util_get_scoreboard(), strerror(errno));
fprintf(stderr, "(Perhaps you need to specify the ScoreboardFile with -f, or change\n");
fprintf(stderr," the compile-time default directory?)\n");
exit(1);
}
}
count = 0;
if ((res = util_open_scoreboard(O_RDONLY)) < 0) {
switch (res) {
case -1:
fprintf(stderr, "unable to open scoreboard: %s\n", strerror(errno));
return 1;
case UTIL_SCORE_ERR_BAD_MAGIC:
fprintf(stderr, "scoreboard is corrupted or old\n");
return 1;
case UTIL_SCORE_ERR_OLDER_VERSION:
fprintf(stderr, "scoreboard version is too old\n");
return 1;
case UTIL_SCORE_ERR_NEWER_VERSION:
fprintf(stderr, "scoreboard version is too new\n");
return 1;
}
}
mpid = util_scoreboard_get_daemon_pid();
uptime = util_scoreboard_get_daemon_uptime();
if (!mpid) {
printf("inetd FTP daemon:\n");
} else {
printf("standalone FTP daemon [%u], up for %s\n", (unsigned int) mpid,
show_uptime(uptime));
}
if (server_name)
printf("ProFTPD Server '%s'\n", server_name);
while ((score = util_scoreboard_entry_read()) != NULL) {
int downloading = FALSE, uploading = FALSE;
register unsigned int i = 0;
/* If a ServerName was given, skip unless the scoreboard entry matches. */
if (server_name &&
strcmp(server_name, score->sce_server_label) != 0)
continue;
if (!count++) {
if (total)
printf(" - %d user%s\n\n", total, total > 1 ? "s" : "");
total = 0;
}
/* Tally up per-Class counters. */
for (i = 0; i != MAX_CLASSES; i++) {
if (classes[i].score_class == 0) {
classes[i].score_class = strdup(score->sce_class);
classes[i].score_count++;
break;
}
if (strcasecmp(classes[i].score_class, score->sce_class) == 0) {
classes[i].score_count++;
break;
}
}
total++;
if (strcmp(score->sce_cmd, "RETR") == 0 ||
strcmp(score->sce_cmd, "READ") == 0 ||
strcmp(score->sce_cmd, "scp download") == 0) {
downloading = TRUE;
} else {
if (strcmp(score->sce_cmd, "STOR") == 0 ||
strcmp(score->sce_cmd, "STOU") == 0 ||
strcmp(score->sce_cmd, "APPE") == 0 ||
strcmp(score->sce_cmd, "WRITE") == 0 ||
strcmp(score->sce_cmd, "scp upload") == 0) {
uploading = TRUE;
}
}
if (outform & OF_COMPAT) {
if ((downloading || uploading) &&
score->sce_xfer_size > 0) {
if (downloading) {
printf("%5d %-6s (%s%%) %s %s\n", (int) score->sce_pid,
show_time(&score->sce_begin_idle),
percent_complete(score->sce_xfer_size, score->sce_xfer_done),
score->sce_cmd, score->sce_cmd_arg);
} else {
printf("%5d %-6s (n/a) %s %s\n", (int) score->sce_pid,
show_time(&score->sce_begin_idle), score->sce_cmd,
score->sce_cmd_arg);
}
} else {
printf("%5d %-6s %s %s\n", (int) score->sce_pid,
show_time(&score->sce_begin_idle), score->sce_cmd,
score->sce_cmd_arg);
}
if (verbose) {
if (score->sce_client_addr[0]) {
printf(" (host: %s [%s])\n", score->sce_client_name,
score->sce_client_addr);
}
if (score->sce_protocol[0]) {
printf(" (protocol: %s)\n", score->sce_protocol);
}
if (score->sce_cwd[0]) {
printf(" (cwd: %s)\n", score->sce_cwd);
}
if (score->sce_class[0]) {
printf(" (class: %s)\n", score->sce_class);
}
}
continue;
}
/* Has the client authenticated yet, or not? */
if (strcmp(score->sce_user, "(none)")) {
/* Is the client idle? */
if (strcmp(score->sce_cmd, "idle") == 0) {
/* These printf() calls needs to be split up, as show_time() returns
* a pointer to a static buffer, and pushing two invocations onto
* the stack means that the times thus formatted will be incorrect.
*/
printf("%5d %-8s [%6s] ", (int) score->sce_pid,
score->sce_user, show_time(&score->sce_begin_session));
printf("%6s %s", show_time(&score->sce_begin_idle), score->sce_cmd);
if (verbose && !(outform & OF_ONELINE))
printf("\n");
} else {
if (downloading) {
printf("%5d %-8s [%6s] (%3s%%) %s %s", (int) score->sce_pid,
score->sce_user, show_time(&score->sce_begin_session),
percent_complete(score->sce_xfer_size, score->sce_xfer_done),
score->sce_cmd, score->sce_cmd_arg);
} else {
printf("%5d %-8s [%6s] (n/a) %s %s", (int) score->sce_pid,
score->sce_user, show_time(&score->sce_begin_session),
score->sce_cmd, score->sce_cmd_arg);
}
if (verbose) {
printf("%sKB/s: %3.2f%s",
(outform & OF_ONELINE) ? " " : "\n\t",
(score->sce_xfer_len / 1024.0) /
(score->sce_xfer_elapsed / 1000),
(outform & OF_ONELINE) ? "" : "\n");
}
}
/* Display additional information, if requested. */
if (verbose) {
if (score->sce_client_addr[0]) {
printf("%sclient: %s [%s]%s",
(outform & OF_ONELINE) ? " " : "\t",
score->sce_client_name, score->sce_client_addr,
(outform & OF_ONELINE) ? "" : "\n");
}
if (score->sce_server_addr[0]) {
printf("%sserver: %s (%s)%s",
(outform & OF_ONELINE) ? " " : "\t",
score->sce_server_addr, score->sce_server_label,
(outform & OF_ONELINE) ? "" : "\n");
}
if (score->sce_protocol[0]) {
printf("%sprotocol: %s%s",
(outform & OF_ONELINE) ? " " : "\t",
score->sce_protocol,
(outform & OF_ONELINE) ? "" : "\n");
}
if (score->sce_cwd[0]) {
printf("%slocation: %s%s",
(outform & OF_ONELINE) ? " " : "\t",
score->sce_cwd,
(outform & OF_ONELINE) ? "" : "\n");
}
if (score->sce_class[0]) {
printf("%sclass: %s",
(outform & OF_ONELINE) ? " " : "\t",
score->sce_class);
}
printf("%s", "\n");
} else {
printf("%s", "\n");
}
} else {
printf("%5d %-8s [%6s] (authenticating)", (int) score->sce_pid,
score->sce_user, show_time(&score->sce_begin_session));
/* Display additional information, if requested. */
if (verbose) {
if (score->sce_client_addr[0]) {
printf("%sclient: %s [%s]%s",
(outform & OF_ONELINE) ? " " : "\n\t",
score->sce_client_name, score->sce_client_addr,
(outform & OF_ONELINE) ? "" : "\n");
}
if (score->sce_server_addr[0]) {
printf("%sserver: %s (%s)%s",
(outform & OF_ONELINE) ? " " : "\t",
score->sce_server_addr, score->sce_server_label,
(outform & OF_ONELINE) ? "" : "\n");
}
if (score->sce_protocol[0]) {
printf("%sprotocol: %s%s",
(outform & OF_ONELINE) ? " " : "\t",
score->sce_protocol,
(outform & OF_ONELINE) ? "" : "\n");
}
if (score->sce_class[0]) {
printf("%sclass: %s",
(outform & OF_ONELINE) ? " " : "\t",
score->sce_class);
}
}
printf("%s", "\n");
}
}
util_close_scoreboard();
if (total) {
register unsigned int i = 0;
for (i = 0; i != MAX_CLASSES; i++) {
if (classes[i].score_class == 0)
break;
printf("Service class %-20s - %3lu user%s\n", classes[i].score_class,
classes[i].score_count, classes[i].score_count > 1 ? "s" : "");
}
} else {
printf("no users connected\n");
}
if (server_name) {
free(server_name);
server_name = NULL;
}
return 0;
}