*
* $Id$
*/
-#include "ircd.h"
+#include "config.h"
+#include "ircd.h"
#include "IPcheck.h"
#include "class.h"
#include "client.h"
#include "crule.h"
#include "hash.h"
#include "ircd_alloc.h"
+#include "ircd_features.h"
#include "ircd_log.h"
#include "ircd_reply.h"
#include "ircd_signal.h"
#include "jupe.h"
#include "list.h"
#include "match.h"
+#include "motd.h"
#include "msg.h"
#include "numeric.h"
#include "numnicks.h"
#include <string.h>
#include <sys/socket.h>
#include <sys/stat.h>
+#include <sys/types.h>
#include <unistd.h>
/*----------------------------------------------------------------------------
* Global data (YUCK!)
*--------------------------------------------------------------------------*/
-struct Client me; // That's me
-struct Client *GlobalClientList = &me; // Pointer to beginning of Client list
-time_t TSoffset = 0; // Offset of timestamps to system clock
-int GlobalRehashFlag = 0; // do a rehash if set
-int GlobalRestartFlag = 0; // do a restart if set
-time_t CurrentTime; // Updated every time we leave select()
-
-char *configfile = CPATH; // Server configuration file
-int debuglevel = -1; // Server debug level
-char *debugmode = ""; // Server debug level
+struct Client me; /* That's me */
+struct Connection me_con; /* That's me too */
+struct Client *GlobalClientList = &me; /* Pointer to beginning of
+ Client list */
+time_t TSoffset = 0;/* Offset of timestamps to system clock */
+int GlobalRehashFlag = 0; /* do a rehash if set */
+int GlobalRestartFlag = 0; /* do a restart if set */
+time_t CurrentTime; /* Updated every time we leave select() */
+
+char *configfile = CPATH; /* Server configuration file */
+int debuglevel = -1; /* Server debug level */
+char *debugmode = ""; /* Server debug level */
static char *dpath = DPATH;
-time_t nextconnect = 1; // time for next try_connections call
-time_t nextping = 1; // same as above for check_pings()
+time_t nextconnect = 1; /* time for next try_connections call */
+time_t nextping = 1; /* same as above for check_pings() */
-static struct Daemon thisServer = { 0 }; // server process info
+static struct Daemon thisServer = { 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0 };
* API: server_die
*--------------------------------------------------------------------------*/
void server_die(const char* message) {
- ircd_log(L_CRIT, "Server terminating: %s", message);
- sendto_opmask_butone(0, SNO_OLDSNO, "Server terminating: %s", message);
+ /* log_write will send out message to both log file and as server notice */
+ log_write(LS_SYSTEM, L_CRIT, 0, "Server terminating: %s", message);
flush_connections(0);
close_connections(1);
thisServer.running = 0;
void server_restart(const char* message) {
static int restarting = 0;
- ircd_log(L_WARNING, "Restarting Server: %s", message);
- if (restarting)
+ /* inhibit sending any server notices; we may be in a loop */
+ log_write(LS_SYSTEM, L_WARNING, LOG_NOSNOTICE, "Restarting Server: %s",
+ message);
+ if (restarting++) /* increment restarting to prevent looping */
return;
sendto_opmask_butone(0, SNO_OLDSNO, "Restarting server: %s", message);
Debug((DEBUG_NOTICE, "Restarting server..."));
flush_connections(0);
- close_log();
+ log_close();
+
close_connections(!(thisServer.bootopt & (BOOT_TTY | BOOT_DEBUG)));
execv(SPATH, thisServer.argv);
/* Have to reopen since it has been closed above */
- open_log(*thisServer.argv);
- ircd_log(L_CRIT, "execv(%s,%s) failed: %m\n", SPATH, *thisServer.argv);
+ log_reopen();
+
+ log_write(LS_SYSTEM, L_CRIT, 0, "execv(%s,%s) failed: %m", SPATH,
+ *thisServer.argv);
Debug((DEBUG_FATAL, "Couldn't restart server \"%s\": %s",
SPATH, (strerror(errno)) ? strerror(errno) : ""));
* write_pidfile
*--------------------------------------------------------------------------*/
static void write_pidfile(void) {
- FILE *pidf;
-
- if (!(pidf = fopen(PPATH, "w+"))) {
- Debug((DEBUG_NOTICE,
- "Error opening pid file \"%s\": %s", PPATH, strerror(errno)));
+ char buff[20];
+
+ if (thisServer.pid_fd >= 0) {
+ memset(buff, 0, sizeof(buff));
+ sprintf(buff, "%5d\n", (int)getpid());
+ if (write(thisServer.pid_fd, buff, strlen(buff)) == -1)
+ Debug((DEBUG_NOTICE, "Error writing to pid file %s: %m",
+ feature_str(FEAT_PPATH)));
return;
}
-
- if (fprintf(pidf, "%5d\n", getpid()) < 5)
- Debug((DEBUG_NOTICE, "Error writing to pid file %s", PPATH));
-
- fclose(pidf);
+ Debug((DEBUG_NOTICE, "Error opening pid file %s: %m",
+ feature_str(FEAT_PPATH)));
}
+/* check_pid
+ *
+ * inputs:
+ * none
+ * returns:
+ * true - if the pid file exists (and is readable), and the pid refered
+ * to in the file is still running.
+ * false - otherwise.
+ */
+static int check_pid(void)
+{
+ struct flock lock;
+
+ lock.l_type = F_WRLCK;
+ lock.l_start = 0;
+ lock.l_whence = SEEK_SET;
+ lock.l_len = 0;
+
+ if ((thisServer.pid_fd = open(feature_str(FEAT_PPATH), O_CREAT | O_RDWR,
+ 0600)) >= 0)
+ return fcntl(thisServer.pid_fd, F_SETLK, &lock);
+
+ return 0;
+}
+
/*----------------------------------------------------------------------------
* try_connections
* is called earlier or later...)
*--------------------------------------------------------------------------*/
static time_t try_connections(void) {
- struct ConfItem *aconf;
- struct Client *cptr;
- struct ConfItem **pconf;
- int connecting;
- int confrq;
- time_t next = 0;
- struct ConfClass *cltmp;
- struct ConfItem *cconf;
- struct ConfItem *con_conf = NULL;
- struct Jupe *ajupe;
- unsigned int con_class = 0;
+ struct ConfItem* aconf;
+ struct Client* cptr;
+ struct ConfItem** pconf;
+ int connecting;
+ int confrq;
+ time_t next = 0;
+ struct ConnectionClass* cltmp;
+ struct ConfItem* con_conf = 0;
+ struct Jupe* ajupe;
+ unsigned int con_class = 0;
connecting = FALSE;
Debug((DEBUG_NOTICE, "Connection check at : %s", myctime(CurrentTime)));
continue;
}
- cltmp = aconf->confClass;
+ cltmp = aconf->conn_class;
confrq = get_con_freq(cltmp);
aconf->hold = CurrentTime + confrq;
if (!cptr && (Links(cltmp) < MaxLinks(cltmp)) &&
(!connecting || (ConClass(cltmp) > con_class))) {
- /* Check connect rules to see if we're allowed to try */
- for (cconf = GlobalConfList; cconf; cconf = cconf->next) {
- if ((cconf->status & CONF_CRULE) && !match(cconf->host, aconf->name))
- if (crule_eval(cconf->passwd))
- break;
- }
- if (!cconf) {
+ /*
+ * Check connect rules to see if we're allowed to try
+ */
+ if (0 == conf_eval_crule(aconf->name, CRULE_MASK)) {
con_class = ConClass(cltmp);
con_conf = aconf;
/* We connect only one at time... */
*--------------------------------------------------------------------------*/
static time_t check_pings(void) {
int expire = 0;
- int next_check = CurrentTime + PINGFREQUENCY;
+ int next_check = CurrentTime;
int max_ping = 0;
int i;
+
+ next_check += feature_int(FEAT_PINGFREQUENCY);
/* Scan through the client table */
for (i=0; i <= HighestFd; i++) {
/* Remove dead clients. */
if (IsDead(cptr)) {
- exit_client(cptr, cptr, &me, cptr->info);
+ exit_client(cptr, cptr, &me, cli_info(cptr));
continue;
}
- max_ping = IsRegistered(cptr) ? get_client_ping(cptr) : CONNECTTIMEOUT;
+ max_ping = IsRegistered(cptr) ? client_get_ping(cptr) :
+ feature_int(FEAT_CONNECTTIMEOUT);
Debug((DEBUG_DEBUG, "check_pings(%s)=status:%s limit: %d current: %d",
- cptr->name, (cptr->flags & FLAGS_PINGSENT) ? "[Ping Sent]" : "[]",
- max_ping, (int)(CurrentTime - cptr->lasttime)));
+ cli_name(cptr), (cli_flags(cptr) & FLAGS_PINGSENT) ? "[Ping Sent]" : "[]",
+ max_ping, (int)(CurrentTime - cli_lasttime(cptr))));
/* Ok, the thing that will happen most frequently, is that someone will
* have sent something recently. Cover this first for speed.
*/
- if (CurrentTime-cptr->lasttime < max_ping) {
- expire = cptr->lasttime + max_ping;
+ if (CurrentTime-cli_lasttime(cptr) < max_ping) {
+ expire = cli_lasttime(cptr) + max_ping;
if (expire < next_check)
next_check = expire;
continue;
}
/* Quit the client after max_ping*2 - they should have answered by now */
- if (CurrentTime-cptr->lasttime >= (max_ping*2) ) {
+ if (CurrentTime-cli_lasttime(cptr) >= (max_ping*2) ) {
/* If it was a server, then tell ops about it. */
if (IsServer(cptr) || IsConnecting(cptr) || IsHandshake(cptr))
sendto_opmask_butone(0, SNO_OLDSNO,
- "No response from %s, closing link", cptr->name);
+ "No response from %s, closing link", cli_name(cptr));
exit_client_msg(cptr, cptr, &me, "Ping timeout");
continue;
}
/* Display message if they have sent a NICK and a USER but no
* nospoof PONG.
*/
- if (*cptr->name && cptr->user && *cptr->user->username) {
+ if (*(cli_name(cptr)) && cli_user(cptr) && *(cli_user(cptr))->username) {
send_reply(cptr, SND_EXPLICIT | ERR_BADPING,
":Your client may not be compatible with this server.");
send_reply(cptr, SND_EXPLICIT | ERR_BADPING,
continue;
}
- if (!(cptr->flags & FLAGS_PINGSENT)) {
+ if (!(cli_flags(cptr) & FLAGS_PINGSENT)) {
/* If we havent PINGed the connection and we havent heard from it in a
* while, PING it to make sure it is still alive.
*/
- cptr->flags |= FLAGS_PINGSENT;
+ cli_flags(cptr) |= FLAGS_PINGSENT;
/* If we're late in noticing don't hold it against them :) */
- cptr->lasttime = CurrentTime - max_ping;
+ cli_lasttime(cptr) = CurrentTime - max_ping;
if (IsUser(cptr))
- sendrawto_one(cptr, MSG_PING " :%s", me.name);
+ sendrawto_one(cptr, MSG_PING " :%s", cli_name(&me));
else
- sendcmdto_one(&me, CMD_PING, cptr, ":%s", me.name);
+ sendcmdto_one(&me, CMD_PING, cptr, ":%s", cli_name(&me));
}
- expire = cptr->lasttime + max_ping * 2;
+ expire = cli_lasttime(cptr) + max_ping * 2;
if (expire < next_check)
next_check=expire;
}
/*----------------------------------------------------------------------------
* parse_command_line
+ * Side Effects: changes GLOBALS me, thisServer, dpath, configfile, debuglevel
+ * debugmode
*--------------------------------------------------------------------------*/
static void parse_command_line(int argc, char** argv) {
const char *options = "d:f:h:ntvx:";
case 't': thisServer.bootopt |= BOOT_TTY; break;
case 'd': dpath = optarg; break;
case 'f': configfile = optarg; break;
- case 'h': ircd_strncpy(me.name, optarg, HOSTLEN); break;
+ case 'h': ircd_strncpy(cli_name(&me), optarg, HOSTLEN); break;
case 'v': printf("ircd %s\n", version); exit(0);
case 'x':
if (delay < 1)
read_message(1);
else
- read_message(IRCD_MIN(delay, TIMESEC));
+ read_message(IRCD_MIN(delay, feature_int(FEAT_TIMESEC)));
/* ...perhaps should not do these loops every time, but only if there is
* some chance of something happening (but, note that conf->hold times may
/* timeout pending queries that haven't been responded to */
timeout_auth_queries(CurrentTime);
- ip_registry_expire();
+ IPcheck_expire();
if (GlobalRehashFlag) {
rehash(&me, 1);
}
}
-
/*----------------------------------------------------------------------------
* check_file_access: random helper function to make sure that a file is
* accessible in a certain way, and complain if not.
#ifdef CHROOTDIR
if (!set_chroot_environment())
- exit(1);
+ return 1;
#endif
#if defined(HAVE_SETRLIMIT) && defined(RLIMIT_CORE)
umask(077); /* better safe than sorry --SRB */
memset(&me, 0, sizeof(me));
- me.fd = -1;
-
- setup_signals();
- initload();
+ memset(&me_con, 0, sizeof(me_con));
+ cli_connect(&me) = &me_con;
+ cli_fd(&me) = -1;
parse_command_line(argc, argv);
if (chdir(dpath)) {
fprintf(stderr, "Fail: Cannot chdir(%s): %s, check DPATH\n", dpath, strerror(errno));
- exit(2);
+ return 2;
}
if (!set_userid_if_needed())
- exit(3);
+ return 3;
/* Check paths for accessibility */
if (!check_file_access(SPATH, 'S', X_OK) ||
- !check_file_access(configfile, 'C', R_OK) ||
- !check_file_access(MPATH, 'M', R_OK) ||
- !check_file_access(RPATH, 'R', R_OK))
- exit(4);
+ !check_file_access(configfile, 'C', R_OK))
+ return 4;
#ifdef DEBUG
if (!check_file_access(LPATH, 'L', W_OK))
- exit(5);
+ return 5;
#endif
+ debug_init(thisServer.bootopt & BOOT_TTY);
+ daemon_init(thisServer.bootopt & BOOT_TTY);
+
+ setup_signals();
+ feature_init(); /* initialize features... */
+ log_init(*argv);
+ if (check_pid()) {
+ Debug((DEBUG_FATAL, "Failed to acquire PID file lock after fork"));
+ exit(2);
+ }
+ set_nomem_handler(outofmemory);
+
+ if (!init_string()) {
+ log_write(LS_SYSTEM, L_CRIT, 0, "Failed to initialize string module");
+ return 6;
+ }
+
+ initload();
init_list();
- hash_init();
- initclass();
+ init_hash();
+ init_class();
initwhowas();
initmsgtree();
initstats();
- debug_init(thisServer.bootopt & BOOT_TTY);
- daemon_init(thisServer.bootopt & BOOT_TTY);
-
- set_nomem_handler(outofmemory);
init_resolver();
- open_log(*argv);
+ motd_init();
- if (!conf_init()) {
- Debug((DEBUG_FATAL, "Failed to read configuration file %s", configfile));
- printf("Couldn't open configuration file %s\n", configfile);
- exit(6);
+ if (!init_conf()) {
+ log_write(LS_SYSTEM, L_CRIT, 0, "Failed to read configuration file %s",
+ configfile);
+ return 7;
}
- if (!init_server_identity()) {
- Debug((DEBUG_FATAL, "Failed to initialize server identity"));
- exit(7);
- }
+ init_server_identity();
uping_init();
- read_tlines();
- rmotd = read_motd(RPATH);
- motd = read_motd(MPATH);
CurrentTime = time(NULL);
- me.from = &me;
SetMe(&me);
+ cli_from(&me) = &me;
make_server(&me);
- me.serv->timestamp = TStime(); /* Abuse own link timestamp as start TS */
- me.serv->prot = atoi(MAJOR_PROTOCOL);
- me.serv->up = &me;
- me.serv->down = NULL;
- me.handler = SERVER_HANDLER;
+ cli_serv(&me)->timestamp = TStime(); /* Abuse own link timestamp as start TS */
+ cli_serv(&me)->prot = atoi(MAJOR_PROTOCOL);
+ cli_serv(&me)->up = &me;
+ cli_serv(&me)->down = NULL;
+ cli_handler(&me) = SERVER_HANDLER;
SetYXXCapacity(&me, MAXCLIENTS);
- me.lasttime = me.since = me.firsttime = CurrentTime;
+ cli_lasttime(&me) = cli_since(&me) = cli_firsttime(&me) = CurrentTime;
hAddClient(&me);
- check_class();
write_pidfile();
init_counters();
Debug((DEBUG_NOTICE, "Server ready..."));
- ircd_log(L_NOTICE, "Server Ready");
+ log_write(LS_SYSTEM, L_NOTICE, 0, "Server Ready");
event_loop();
projects / ircu2.10.12-pk.git / blobdiff