* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id$
+ */
+/** @file
+ * @brief Miscellaneous server support functions.
+ * @version $Id$
*/
#include "config.h"
#include "hash.h"
#include "ircd.h"
#include "ircd_alloc.h"
+#include "ircd_log.h"
#include "ircd_reply.h"
#include "ircd_string.h"
#include "ircd_snprintf.h"
-#include "ircd_xopen.h"
+#include "ircd_crypt.h"
#include "jupe.h"
#include "list.h"
#include "match.h"
#include "s_misc.h"
#include "s_user.h"
#include "send.h"
-#include "sprintf_irc.h"
#include "struct.h"
#include "sys.h"
#include "userload.h"
-#include <assert.h>
+/* #include <assert.h> -- Now using assert in ircd_log.h */
#include <stdlib.h>
#include <string.h>
+/** Maximum connection count since last restart. */
unsigned int max_connection_count = 0;
+/** Maximum (local) client count since last restart. */
unsigned int max_client_count = 0;
+/** Squit a new (pre-burst) server.
+ * @param cptr Local client that tried to introduce the server.
+ * @param sptr Server to disconnect.
+ * @param host Name of server being disconnected.
+ * @param timestamp Link time of server being disconnected.
+ * @param pattern Format string for squit message.
+ * @return CPTR_KILLED if cptr == sptr, else 0.
+ */
int exit_new_server(struct Client *cptr, struct Client *sptr, const char *host,
time_t timestamp, const char *pattern, ...)
{
return retval;
}
+/** Indicate whether \a a is between \a b and #me (that is, \a b would
+ * be killed if \a a squits).
+ * @param a A server that may be between us and \a b.
+ * @param b A client that may be on the far side of \a a.
+ * @return Non-zero if \a a is between \a b and #me.
+ */
int a_kills_b_too(struct Client *a, struct Client *b)
{
for (; b != a && b != &me; b = cli_serv(b)->up);
return (a == b ? 1 : 0);
}
-/*
- * server_estab
- *
- * May only be called after a SERVER was received from cptr,
- * and thus make_server was called, and serv->prot set. --Run
+/** Handle a connection that has sent a valid PASS and SERVER.
+ * @param cptr New peer server.
+ * @param aconf Connect block for \a cptr.
+ * @return Zero.
*/
int server_estab(struct Client *cptr, struct ConfItem *aconf)
{
struct Client* acptr = 0;
const char* inpath;
- int split, i;
+ int i;
assert(0 != cptr);
assert(0 != cli_local(cptr));
- split = (0 != ircd_strcmp(cli_name(cptr), cli_sockhost(cptr))
- && 0 != ircd_strncmp(cli_info(cptr), "JUPE", 4));
inpath = cli_name(cptr);
if (IsUnknown(cptr)) {
/*
* Pass my info to the new server
*/
- sendrawto_one(cptr, MSG_SERVER " %s 1 %Tu %Tu J%s %s%s :%s", cli_name(&me),
- cli_serv(&me)->timestamp, cli_serv(cptr)->timestamp, MAJOR_PROTOCOL,
- NumServCap(&me), *(cli_info(&me)) ? cli_info(&me) : "IRCers United");
- /*
- * Don't charge this IP# for connecting
- * XXX - if this comes from a server port, it will not have been added
- * to the IP check registry, see add_connection in s_bsd.c
- */
- IPcheck_connect_fail(cli_ip(cptr));
+ sendrawto_one(cptr, MSG_SERVER " %s 1 %Tu %Tu J%s %s%s +%s6 :%s",
+ cli_name(&me), cli_serv(&me)->timestamp,
+ cli_serv(cptr)->timestamp, MAJOR_PROTOCOL, NumServCap(&me),
+ feature_bool(FEAT_HUB) ? "h" : "",
+ *(cli_info(&me)) ? cli_info(&me) : "IRCers United");
}
- det_confs_butmask(cptr, CONF_LEAF | CONF_HUB | CONF_SERVER | CONF_UWORLD);
+ det_confs_butmask(cptr, CONF_SERVER | CONF_UWORLD);
if (!IsHandshake(cptr))
hAddClient(cptr);
SetServer(cptr);
cli_handler(cptr) = SERVER_HANDLER;
Count_unknownbecomesserver(UserStats);
-
- release_dns_reply(cptr);
-
SetBurst(cptr);
/* nextping = CurrentTime; */
if (!match(cli_name(&me), cli_name(cptr)))
continue;
sendcmdto_one(&me, CMD_SERVER, acptr,
- "%s 2 0 %Tu J%02u %s%s 0 :%s", cli_name(cptr),
+ "%s 2 0 %Tu J%02u %s%s +%s%s%s :%s", cli_name(cptr),
cli_serv(cptr)->timestamp, Protocol(cptr), NumServCap(cptr),
- cli_info(cptr));
+ IsHub(cptr) ? "h" : "", IsService(cptr) ? "s" : "",
+ IsIPv6(cptr) ? "6" : "", cli_info(cptr));
}
+ /* Send these as early as possible so that glined users/juped servers can
+ * be removed from the network while the remote server is still chewing
+ * our burst.
+ */
+ gline_burst(cptr);
+ jupe_burst(cptr);
+
/*
* Pass on my client information to the new server
*
* First, pass only servers (idea is that if the link gets
- * cancelled beacause the server was already there,
- * there are no NICK's to be cancelled...). Of course,
+ * canceled because the server was already there,
+ * there are no NICK's to be canceled...). Of course,
* if cancellation occurs, all this info is sent anyway,
* and I guess the link dies when a read is attempted...? --msa
*
if (0 == match(cli_name(&me), cli_name(acptr)))
continue;
- split = (MyConnect(acptr) &&
- 0 != ircd_strcmp(cli_name(acptr), cli_sockhost(acptr)) &&
- 0 != ircd_strncmp(cli_info(acptr), "JUPE", 4));
sendcmdto_one(cli_serv(acptr)->up, CMD_SERVER, cptr,
- "%s %d 0 %Tu %s%u %s%s 0 :%s", cli_name(acptr),
+ "%s %d 0 %Tu %s%u %s%s +%s%s%s :%s", cli_name(acptr),
cli_hopcount(acptr) + 1, cli_serv(acptr)->timestamp,
protocol_str, Protocol(acptr), NumServCap(acptr),
- cli_info(acptr));
+ IsHub(acptr) ? "h" : "", IsService(acptr) ? "s" : "",
+ IsIPv6(acptr) ? "6" : "", cli_info(acptr));
}
}
continue;
if (IsUser(acptr))
{
- char xxx_buf[8];
+ char xxx_buf[25];
char *s = umode_str(acptr);
sendcmdto_one(cli_user(acptr)->server, CMD_NICK, cptr,
"%s %d %Tu %s %s %s%s%s%s %s%s :%s",
cli_name(acptr), cli_hopcount(acptr) + 1, cli_lastnick(acptr),
- cli_user(acptr)->username, cli_user(acptr)->host,
+ cli_user(acptr)->username, cli_user(acptr)->realhost,
*s ? "+" : "", s, *s ? " " : "",
- inttobase64(xxx_buf, ntohl(cli_ip(acptr).s_addr), 6),
+ iptobase64(xxx_buf, &cli_ip(acptr), sizeof(xxx_buf), IsIPv6(cptr)),
NumNick(acptr), cli_info(acptr));
}
}
for (chptr = GlobalChannelList; chptr; chptr = chptr->next)
send_channel_modes(cptr, chptr);
}
- jupe_burst(cptr);
- gline_burst(cptr);
sendcmdto_one(&me, CMD_END_OF_BURST, cptr, "");
return 0;
}