*
* $Id$
*/
+#include "config.h"
+
#include "gline.h"
#include "client.h"
#include "ircd.h"
#include "ircd_alloc.h"
+#include "ircd_features.h"
+#include "ircd_log.h"
+#include "ircd_policy.h"
+#include "ircd_reply.h"
+#include "ircd_snprintf.h"
#include "ircd_string.h"
#include "match.h"
#include "numeric.h"
#include "s_bsd.h"
+#include "s_debug.h"
#include "s_misc.h"
#include "send.h"
#include "struct.h"
+#include "support.h"
+#include "msg.h"
+#include "numnicks.h"
+#include "numeric.h"
#include "sys.h" /* FALSE bleah */
+#include "whocmds.h"
#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <arpa/inet.h> /* for inet_ntoa */
+
+#define CHECK_APPROVED 0 /* Mask is acceptable */
+#define CHECK_OVERRIDABLE 1 /* Mask is acceptable, but not by default */
+#define CHECK_REJECTED 2 /* Mask is totally unacceptable */
+
+#define MASK_WILD_0 0x01 /* Wildcards in the last position */
+#define MASK_WILD_1 0x02 /* Wildcards in the next-to-last position */
+
+#define MASK_WILD_MASK 0x03 /* Mask out the positional wildcards */
+
+#define MASK_WILDS 0x10 /* Mask contains wildcards */
+#define MASK_IP 0x20 /* Mask is an IP address */
+#define MASK_HALT 0x40 /* Finished processing mask */
struct Gline* GlobalGlineList = 0;
struct Gline* BadChanGlineList = 0;
+static void
+canon_userhost(char *userhost, char **user_p, char **host_p, char *def_user)
+{
+ char *tmp;
+
+ if (!(tmp = strchr(userhost, '@'))) {
+ *user_p = def_user;
+ *host_p = userhost;
+ } else {
+ *user_p = userhost;
+ *(tmp++) = '\0';
+ *host_p = tmp;
+ }
+}
-struct Gline *make_gline(int is_ipmask, char *host, char *reason,
- char *name, time_t expire)
+static struct Gline *
+make_gline(char *user, char *host, char *reason, time_t expire, time_t lastmod,
+ unsigned int flags)
{
- struct Gline *agline;
+ struct Gline *gline, *sgline, *after = 0;
+
+ if (!(flags & GLINE_BADCHAN)) { /* search for overlapping glines first */
+
+ for (gline = GlobalGlineList; gline; gline = sgline) {
+ sgline = gline->gl_next;
+
+ if (gline->gl_expire <= CurrentTime)
+ gline_free(gline);
+ else if ((gline->gl_flags & GLINE_LOCAL) != (flags & GLINE_LOCAL))
+ continue;
+ else if (!mmatch(gline->gl_user, user) && /* gline contains new mask */
+ !mmatch(gline->gl_host, host)) {
+ if (expire <= gline->gl_expire) /* will expire before wider gline */
+ return 0;
+ else
+ after = gline; /* stick new gline after this one */
+ } else if (!mmatch(user, gline->gl_user) && /* new mask contains gline */
+ !mmatch(host, gline->gl_host) &&
+ gline->gl_expire <= expire) /* gline expires before new one */
+ gline_free(gline); /* save some memory */
+ }
+ }
-#ifdef BADCHAN
- int gtype = 0;
- if ('#' == *host || '&' == *host || '+' == *host)
- gtype = 1; /* BAD CHANNEL GLINE */
-#endif
+ gline = (struct Gline *)MyMalloc(sizeof(struct Gline)); /* alloc memory */
+ assert(0 != gline);
+
+ DupString(gline->gl_reason, reason); /* initialize gline... */
+ gline->gl_expire = expire;
+ gline->gl_lastmod = lastmod;
+ gline->gl_flags = flags & GLINE_MASK;
+
+ if (flags & GLINE_BADCHAN) { /* set a BADCHAN gline */
+ DupString(gline->gl_user, user); /* first, remember channel */
+ gline->gl_host = 0;
+
+ gline->gl_next = BadChanGlineList; /* then link it into list */
+ gline->gl_prev_p = &BadChanGlineList;
+ if (BadChanGlineList)
+ BadChanGlineList->gl_prev_p = &gline->gl_next;
+ BadChanGlineList = gline;
+ } else {
+ DupString(gline->gl_user, user); /* remember them... */
+ DupString(gline->gl_host, host);
+
+ if (check_if_ipmask(host)) { /* mark if it's an IP mask */
+ int class;
+ char ipname[16];
+ int ad[4] = { 0 };
+ int bits2 = 0;
+
+ class = sscanf(host,"%d.%d.%d.%d/%d",
+ &ad[0],&ad[1],&ad[2],&ad[3], &bits2);
+ if (class!=5) {
+ gline->bits=class*8;
+ }
+ else {
+ gline->bits=bits2;
+ }
+ sprintf_irc(ipname,"%d.%d.%d.%d",ad[0],ad[1],ad[2],ad[3]);
+ gline->ipnum.s_addr = inet_addr(ipname);
+ Debug((DEBUG_DEBUG,"IP gline: %08x/%i",gline->ipnum.s_addr,gline->bits));
+ gline->gl_flags |= GLINE_IPMASK;
+ }
- agline = (struct Gline*) MyMalloc(sizeof(struct Gline)); /* alloc memory */
- assert(0 != agline);
- DupString(agline->host, host); /* copy vital information */
- DupString(agline->reason, reason);
- DupString(agline->name, name);
- agline->expire = expire;
- agline->gflags = GLINE_ACTIVE; /* gline is active */
- if (is_ipmask)
- SetGlineIsIpMask(agline);
-#ifdef BADCHAN
- if (gtype)
- {
- agline->next = BadChanGlineList; /* link it into the list */
- return (BadChanGlineList = agline);
+ if (after) {
+ gline->gl_next = after->gl_next;
+ gline->gl_prev_p = &after->gl_next;
+ if (after->gl_next)
+ after->gl_next->gl_prev_p = &gline->gl_next;
+ after->gl_next = gline;
+ } else {
+ gline->gl_next = GlobalGlineList; /* then link it into list */
+ gline->gl_prev_p = &GlobalGlineList;
+ if (GlobalGlineList)
+ GlobalGlineList->gl_prev_p = &gline->gl_next;
+ GlobalGlineList = gline;
+ }
}
-#endif
- agline->next = GlobalGlineList; /* link it into the list */
- return (GlobalGlineList = agline);
+
+ return gline;
}
-struct Gline *find_gline(struct Client *cptr, struct Gline **pgline)
+static int
+do_gline(struct Client *cptr, struct Client *sptr, struct Gline *gline)
{
- struct Gline* gline = GlobalGlineList;
- struct Gline* prev = 0;
+ struct Client *acptr;
+ int fd, retval = 0, tval;
- while (gline) {
+ if (!GlineIsActive(gline)) /* no action taken on inactive glines */
+ return 0;
+
+ for (fd = HighestFd; fd >= 0; --fd) {
/*
- * look through all glines
+ * get the users!
*/
- if (gline->expire <= TStime()) {
- /*
- * handle expired glines
- */
- free_gline(gline, prev);
- gline = prev ? prev->next : GlobalGlineList;
- if (!gline)
- break; /* gline == NULL means gline == NULL */
- continue;
+ if ((acptr = LocalClientArray[fd])) {
+ if (!cli_user(acptr))
+ continue;
+
+ if (cli_user(acptr)->username &&
+ match (gline->gl_user, (cli_user(acptr))->username) != 0)
+ continue;
+
+ if (GlineIsIpMask(gline)) {
+ Debug((DEBUG_DEBUG,"IP gline: %08x %08x/%i",(cli_ip(cptr)).s_addr,gline->ipnum.s_addr,gline->bits));
+ if (((cli_ip(acptr)).s_addr & NETMASK(gline->bits)) != gline->ipnum.s_addr)
+ continue;
+ }
+ else {
+ if (match(gline->gl_host, cli_sockhost(acptr)) != 0)
+ continue;
+ }
+
+ /* ok, here's one that got G-lined */
+ send_reply(acptr, SND_EXPLICIT | ERR_YOUREBANNEDCREEP, ":%s",
+ gline->gl_reason);
+
+ /* let the ops know about it */
+ sendto_opmask_butone(0, SNO_GLINE, "G-line active for %s",
+ get_client_name(acptr, TRUE));
+
+ /* and get rid of him */
+ if ((tval = exit_client_msg(cptr, acptr, &me, "G-lined (%s)",
+ gline->gl_reason)))
+ retval = tval; /* retain killed status */
}
+ }
+ return retval;
+}
- /* Does gline match? */
- /* Added a check against the user's IP address as well -Kev */
- if ((GlineIsIpMask(gline) ?
- match(gline->host, ircd_ntoa((const char*) &cptr->ip)) :
- match(gline->host, cptr->sockhost)) == 0 &&
- match(gline->name, cptr->user->username) == 0) {
- if (pgline)
- *pgline = prev; /* If they need it, give them the previous gline
- entry (probably for free_gline, below) */
- return gline;
+/*
+ * This routine implements the mask checking applied to local
+ * G-lines. Basically, host masks must have a minimum of two non-wild
+ * domain fields, and IP masks must have a minimum of 16 bits. If the
+ * mask has even one wild-card, OVERRIDABLE is returned, assuming the
+ * other check doesn't fail.
+ */
+static int
+gline_checkmask(char *mask)
+{
+ unsigned int flags = MASK_IP;
+ unsigned int dots = 0;
+ unsigned int ipmask = 0;
+
+ for (; *mask; mask++) { /* go through given mask */
+ if (*mask == '.') { /* it's a separator; advance positional wilds */
+ flags = (flags & ~MASK_WILD_MASK) | ((flags << 1) & MASK_WILD_MASK);
+ dots++;
+
+ if ((flags & (MASK_IP | MASK_WILDS)) == MASK_IP)
+ ipmask += 8; /* It's an IP with no wilds, count bits */
+ } else if (*mask == '*' || *mask == '?')
+ flags |= MASK_WILD_0 | MASK_WILDS; /* found a wildcard */
+ else if (*mask == '/') { /* n.n.n.n/n notation; parse bit specifier */
+ ipmask = strtoul(++mask, &mask, 10);
+
+ if (*mask || dots != 3 || ipmask > 32 || /* sanity-check to date */
+ (flags & (MASK_WILDS | MASK_IP)) != MASK_IP)
+ return CHECK_REJECTED; /* how strange... */
+
+ if (ipmask < 32) /* it's a masked address; mark wilds */
+ flags |= MASK_WILDS;
+
+ flags |= MASK_HALT; /* Halt the ipmask calculation */
+
+ break; /* get out of the loop */
+ } else if (!IsDigit(*mask)) {
+ flags &= ~MASK_IP; /* not an IP anymore! */
+ ipmask = 0;
}
+ }
- prev = gline;
- gline = gline->next;
+ /* Sanity-check quads */
+ if (dots > 3 || (!(flags & MASK_WILDS) && dots < 3)) {
+ flags &= ~MASK_IP;
+ ipmask = 0;
}
- return 0; /* found no glines */
+ /* update bit count if necessary */
+ if ((flags & (MASK_IP | MASK_WILDS | MASK_HALT)) == MASK_IP)
+ ipmask += 8;
+
+ /* Check to see that it's not too wide of a mask */
+ if (flags & MASK_WILDS &&
+ ((!(flags & MASK_IP) && (dots < 2 || flags & MASK_WILD_MASK)) ||
+ (flags & MASK_IP && ipmask < 16)))
+ return CHECK_REJECTED; /* to wide, reject */
+
+ /* Ok, it's approved; require override if it has wildcards, though */
+ return flags & MASK_WILDS ? CHECK_OVERRIDABLE : CHECK_APPROVED;
}
-void free_gline(struct Gline* gline, struct Gline* prev)
+int
+gline_propagate(struct Client *cptr, struct Client *sptr, struct Gline *gline)
{
- assert(0 != gline);
- if (prev)
- prev->next = gline->next; /* squeeze agline out */
- else {
-#ifdef BADCHAN
- assert(0 != gline->host);
- if ('#' == *gline->host ||
- '&' == *gline->host ||
- '+' == *gline->host) {
- BadChanGlineList = gline->next;
- }
+ if (GlineIsLocal(gline) || (IsUser(sptr) && !gline->gl_lastmod))
+ return 0;
+
+ if (gline->gl_lastmod)
+ sendcmdto_serv_butone(sptr, CMD_GLINE, cptr, "* %c%s%s%s %Tu %Tu :%s",
+ GlineIsRemActive(gline) ? '+' : '-', gline->gl_user,
+ GlineIsBadChan(gline) ? "" : "@",
+ GlineIsBadChan(gline) ? "" : gline->gl_host,
+ gline->gl_expire - CurrentTime, gline->gl_lastmod,
+ gline->gl_reason);
+ else
+ sendcmdto_serv_butone(sptr, CMD_GLINE, cptr,
+ (GlineIsRemActive(gline) ?
+ "* +%s%s%s %Tu :%s" : "* -%s%s%s"),
+ gline->gl_user, GlineIsBadChan(gline) ? "" : "@",
+ GlineIsBadChan(gline) ? "" : gline->gl_host,
+ gline->gl_expire - CurrentTime, gline->gl_reason);
+
+ return 0;
+}
+
+int
+gline_add(struct Client *cptr, struct Client *sptr, char *userhost,
+ char *reason, time_t expire, time_t lastmod, unsigned int flags)
+{
+ struct Gline *agline;
+ char uhmask[USERLEN + HOSTLEN + 2];
+ char *user, *host;
+ int tmp;
+
+ assert(0 != userhost);
+ assert(0 != reason);
+
+ /* NO_OLD_GLINE allows *@#channel to work correctly */
+ if (*userhost == '#' || *userhost == '&' || *userhost == '+'
+# ifndef NO_OLD_GLINE
+ || userhost[2] == '#' || userhost[2] == '&' || userhost[2] == '+'
+# endif /* OLD_GLINE */
+ ) {
+ if ((flags & GLINE_LOCAL) && !HasPriv(sptr, PRIV_LOCAL_BADCHAN))
+ return send_reply(sptr, ERR_NOPRIVILEGES);
+
+ flags |= GLINE_BADCHAN;
+# ifndef NO_OLD_GLINE
+ if (userhost[2] == '#' || userhost[2] == '&' || userhost[2] == '+')
+ user = userhost + 2;
else
-#endif
- GlobalGlineList = gline->next;
+# endif /* OLD_GLINE */
+ user = userhost;
+ host = 0;
+ } else {
+ canon_userhost(userhost, &user, &host, "*");
+ if (sizeof(uhmask) <
+ ircd_snprintf(0, uhmask, sizeof(uhmask), "%s@%s", user, host))
+ return send_reply(sptr, ERR_LONGMASK);
+ else if (MyUser(sptr) || (IsUser(sptr) && flags & GLINE_LOCAL)) {
+ switch (gline_checkmask(host)) {
+ case CHECK_OVERRIDABLE: /* oper overrided restriction */
+ if (flags & GLINE_OPERFORCE)
+ break;
+ /*FALLTHROUGH*/
+ case CHECK_REJECTED:
+ return send_reply(sptr, ERR_MASKTOOWIDE, uhmask);
+ break;
+ }
+
+ if ((tmp = count_users(uhmask)) >=
+ feature_int(FEAT_GLINEMAXUSERCOUNT) && !(flags & GLINE_OPERFORCE))
+ return send_reply(sptr, ERR_TOOMANYUSERS, tmp);
+ }
}
- MyFree(gline->host); /* and free up the memory */
- MyFree(gline->reason);
- MyFree(gline->name);
- MyFree(gline);
+ /*
+ * You cannot set a negative (or zero) expire time, nor can you set an
+ * expiration time for greater than GLINE_MAX_EXPIRE.
+ */
+ if (!(flags & GLINE_FORCE) && (expire <= 0 || expire > GLINE_MAX_EXPIRE)) {
+ if (!IsServer(sptr) && MyConnect(sptr))
+ send_reply(sptr, ERR_BADEXPIRE, expire);
+ return 0;
+ }
+
+ expire += CurrentTime; /* convert from lifetime to timestamp */
+
+ /* Inform ops... */
+ sendto_opmask_butone(0, SNO_GLINE, "%s adding %s %s for %s%s%s, expiring at "
+ "%Tu: %s",
+#ifdef HEAD_IN_SAND_SNOTICES
+ cli_name(sptr),
+#else
+ IsServer(sptr) ? cli_name(sptr) :
+ cli_name((cli_user(sptr))->server),
+#endif
+ flags & GLINE_LOCAL ? "local" : "global",
+ flags & GLINE_BADCHAN ? "BADCHAN" : "GLINE", user,
+ flags & GLINE_BADCHAN ? "" : "@",
+ flags & GLINE_BADCHAN ? "" : host,
+ expire + TSoffset, reason);
+
+ /* and log it */
+ log_write(LS_GLINE, L_INFO, LOG_NOSNOTICE,
+ "%#C adding %s %s for %s, expiring at %Tu: %s", sptr,
+ flags & GLINE_LOCAL ? "local" : "global",
+ flags & GLINE_BADCHAN ? "BADCHAN" : "GLINE", userhost,
+ expire + TSoffset, reason);
+
+ /* make the gline */
+ agline = make_gline(user, host, reason, expire, lastmod, flags);
+
+ if (!agline) /* if it overlapped, silently return */
+ return 0;
+
+ gline_propagate(cptr, sptr, agline);
+
+ if (GlineIsBadChan(agline))
+ return 0;
+
+ return do_gline(cptr, sptr, agline); /* knock off users if necessary */
}
-void gline_remove_expired(time_t now)
+int
+gline_activate(struct Client *cptr, struct Client *sptr, struct Gline *gline,
+ time_t lastmod, unsigned int flags)
{
- struct Gline* gline;
- struct Gline* prev = 0;
-
- for (gline = GlobalGlineList; gline; gline = gline->next) {
- if (gline->expire < now) {
- free_gline(gline, prev);
- gline = (prev) ? prev : GlobalGlineList;
- if (!gline)
- break;
- continue;
+ unsigned int saveflags = 0;
+
+ assert(0 != gline);
+
+ saveflags = gline->gl_flags;
+
+ if (flags & GLINE_LOCAL)
+ gline->gl_flags &= ~GLINE_LDEACT;
+ else {
+ gline->gl_flags |= GLINE_ACTIVE;
+
+ if (gline->gl_lastmod) {
+ if (gline->gl_lastmod >= lastmod) /* force lastmod to increase */
+ gline->gl_lastmod++;
+ else
+ gline->gl_lastmod = lastmod;
}
- prev = gline;
}
+
+ if ((saveflags & GLINE_ACTMASK) == GLINE_ACTIVE)
+ return 0; /* was active to begin with */
+
+ /* Inform ops and log it */
+ sendto_opmask_butone(0, SNO_GLINE, "%s activating global %s for %s%s%s, "
+ "expiring at %Tu: %s",
+#ifdef HEAD_IN_SAND_SNOTICES
+ cli_name(sptr),
+#else
+ IsServer(sptr) ? cli_name(sptr) :
+ cli_name((cli_user(sptr))->server),
+#endif
+ GlineIsBadChan(gline) ? "BADCHAN" : "GLINE",
+ gline->gl_user, GlineIsBadChan(gline) ? "" : "@",
+ GlineIsBadChan(gline) ? "" : gline->gl_host,
+ gline->gl_expire + TSoffset, gline->gl_reason);
+
+ log_write(LS_GLINE, L_INFO, LOG_NOSNOTICE,
+ "%#C activating global %s for %s%s%s, expiring at %Tu: %s", sptr,
+ GlineIsBadChan(gline) ? "BADCHAN" : "GLINE", gline->gl_user,
+ GlineIsBadChan(gline) ? "" : "@",
+ GlineIsBadChan(gline) ? "" : gline->gl_host,
+ gline->gl_expire + TSoffset, gline->gl_reason);
+
+ if (!(flags & GLINE_LOCAL)) /* don't propagate local changes */
+ gline_propagate(cptr, sptr, gline);
+
+ return GlineIsBadChan(gline) ? 0 : do_gline(cptr, sptr, gline);
}
-#ifdef BADCHAN
-int bad_channel(const char* name)
-{
- struct Gline* agline = BadChanGlineList;
+int
+gline_deactivate(struct Client *cptr, struct Client *sptr, struct Gline *gline,
+ time_t lastmod, unsigned int flags)
+{
+ unsigned int saveflags = 0;
+ char *msg;
+
+ assert(0 != gline);
- while (agline)
- {
- if ((agline->gflags & GLINE_ACTIVE) && (agline->expire > TStime()) &&
- !mmatch(agline->host, name)) {
- return 1;
+ saveflags = gline->gl_flags;
+
+ if (GlineIsLocal(gline))
+ msg = "removing local";
+ else if (!gline->gl_lastmod && !(flags & GLINE_LOCAL)) {
+ msg = "removing global";
+ gline->gl_flags &= ~GLINE_ACTIVE; /* propagate a -<mask> */
+ } else {
+ msg = "deactivating global";
+
+ if (flags & GLINE_LOCAL)
+ gline->gl_flags |= GLINE_LDEACT;
+ else {
+ gline->gl_flags &= ~GLINE_ACTIVE;
+
+ if (gline->gl_lastmod) {
+ if (gline->gl_lastmod >= lastmod)
+ gline->gl_lastmod++;
+ else
+ gline->gl_lastmod = lastmod;
+ }
}
- agline = agline->next;
+
+ if ((saveflags & GLINE_ACTMASK) != GLINE_ACTIVE)
+ return 0; /* was inactive to begin with */
}
+
+ /* Inform ops and log it */
+ sendto_opmask_butone(0, SNO_GLINE, "%s %s %s for %s%s%s, expiring at %Tu: "
+ "%s",
+#ifdef HEAD_IN_SAND_SNOTICES
+ cli_name(sptr),
+#else
+ IsServer(sptr) ? cli_name(sptr) :
+ cli_name((cli_user(sptr))->server),
+#endif
+ msg, GlineIsBadChan(gline) ? "BADCHAN" : "GLINE",
+ gline->gl_user, GlineIsBadChan(gline) ? "" : "@",
+ GlineIsBadChan(gline) ? "" : gline->gl_host,
+ gline->gl_expire + TSoffset, gline->gl_reason);
+
+ log_write(LS_GLINE, L_INFO, LOG_NOSNOTICE,
+ "%#C %s %s for %s%s%s, expiring at %Tu: %s", sptr, msg,
+ GlineIsBadChan(gline) ? "BADCHAN" : "GLINE", gline->gl_user,
+ GlineIsBadChan(gline) ? "" : "@",
+ GlineIsBadChan(gline) ? "" : gline->gl_host,
+ gline->gl_expire + TSoffset, gline->gl_reason);
+
+ if (!(flags & GLINE_LOCAL)) /* don't propagate local changes */
+ gline_propagate(cptr, sptr, gline);
+
+ /* if it's a local gline or a Uworld gline (and not locally deactivated).. */
+ if (GlineIsLocal(gline) || (!gline->gl_lastmod && !(flags & GLINE_LOCAL)))
+ gline_free(gline); /* get rid of it */
+
return 0;
}
-void bad_channel_remove_expired(time_t now)
+struct Gline *
+gline_find(char *userhost, unsigned int flags)
{
- struct Gline* gline;
- struct Gline* prev = 0;
-
- for (gline = BadChanGlineList; gline; gline = gline->next) {
- if (gline->expire < now) {
- free_gline(gline, prev);
- gline = (prev) ? prev : BadChanGlineList;
- if (!gline)
- break;
+ struct Gline *gline;
+ struct Gline *sgline;
+ char *user, *host, *t_uh;
+
+ if (flags & (GLINE_BADCHAN | GLINE_ANY)) {
+ for (gline = BadChanGlineList; gline; gline = sgline) {
+ sgline = gline->gl_next;
+
+ if (gline->gl_expire <= CurrentTime)
+ gline_free(gline);
+ else if ((flags & GLINE_GLOBAL && gline->gl_flags & GLINE_LOCAL) ||
+ (flags & GLINE_LASTMOD && !gline->gl_lastmod))
+ continue;
+ else if ((flags & GLINE_EXACT ? ircd_strcmp(gline->gl_user, userhost) :
+ match(gline->gl_user, userhost)) == 0)
+ return gline;
+ }
+ }
+
+ if ((flags & (GLINE_BADCHAN | GLINE_ANY)) == GLINE_BADCHAN ||
+ *userhost == '#' || *userhost == '&' || *userhost == '+'
+#ifndef NO_OLD_GLINE
+ || userhost[2] == '#' || userhost[2] == '&' || userhost[2] == '+'
+#endif /* NO_OLD_GLINE */
+ )
+ return 0;
+
+ DupString(t_uh, userhost);
+ canon_userhost(t_uh, &user, &host, 0);
+
+ for (gline = GlobalGlineList; gline; gline = sgline) {
+ sgline = gline->gl_next;
+
+ if (gline->gl_expire <= CurrentTime)
+ gline_free(gline);
+ else if ((flags & GLINE_GLOBAL && gline->gl_flags & GLINE_LOCAL) ||
+ (flags & GLINE_LASTMOD && !gline->gl_lastmod))
continue;
+ else if (flags & GLINE_EXACT) {
+ if (ircd_strcmp(gline->gl_host, host) == 0 &&
+ ((!user && ircd_strcmp(gline->gl_user, "*") == 0) ||
+ ircd_strcmp(gline->gl_user, user) == 0))
+ break;
+ } else {
+ if (match(gline->gl_host, host) == 0 &&
+ ((!user && ircd_strcmp(gline->gl_user, "*") == 0) ||
+ match(gline->gl_user, user) == 0))
+ break;
}
- prev = gline;
}
+
+ MyFree(t_uh);
+
+ return gline;
}
-#endif
+struct Gline *
+gline_lookup(struct Client *cptr, unsigned int flags)
+{
+ struct Gline *gline;
+ struct Gline *sgline;
+
+ for (gline = GlobalGlineList; gline; gline = sgline) {
+ sgline = gline->gl_next;
+
+ if (gline->gl_expire <= CurrentTime) {
+ gline_free(gline);
+ continue;
+ }
+
+ if ((flags & GLINE_GLOBAL && gline->gl_flags & GLINE_LOCAL) ||
+ (flags & GLINE_LASTMOD && !gline->gl_lastmod))
+ continue;
+
+ if (match(gline->gl_user, (cli_user(cptr))->username) != 0)
+ continue;
+
+ if (GlineIsIpMask(gline)) {
+ Debug((DEBUG_DEBUG,"IP gline: %08x %08x/%i",(cli_ip(cptr)).s_addr,gline->ipnum.s_addr,gline->bits));
+ if (((cli_ip(cptr)).s_addr & NETMASK(gline->bits)) != gline->ipnum.s_addr)
+ continue;
+ }
+ else {
+ if (match(gline->gl_host, (cli_user(cptr))->host) != 0)
+ continue;
+ }
+ return gline;
+ }
+ /*
+ * No Glines matched
+ */
+ return 0;
+}
+
+void
+gline_free(struct Gline *gline)
+{
+ assert(0 != gline);
+ *gline->gl_prev_p = gline->gl_next; /* squeeze this gline out */
+ if (gline->gl_next)
+ gline->gl_next->gl_prev_p = gline->gl_prev_p;
-void add_gline(struct Client *sptr, int ip_mask, char *host, char *comment,
- char *user, time_t expire, int local)
+ MyFree(gline->gl_user); /* free up the memory */
+ if (gline->gl_host)
+ MyFree(gline->gl_host);
+ MyFree(gline->gl_reason);
+ MyFree(gline);
+}
+
+void
+gline_burst(struct Client *cptr)
{
- struct Client *acptr;
- struct Gline *agline;
- int fd;
- int gtype = 0;
- assert(0 != host);
+ struct Gline *gline;
+ struct Gline *sgline;
+
+ for (gline = GlobalGlineList; gline; gline = sgline) { /* all glines */
+ sgline = gline->gl_next;
+
+ if (gline->gl_expire <= CurrentTime) /* expire any that need expiring */
+ gline_free(gline);
+ else if (!GlineIsLocal(gline) && gline->gl_lastmod)
+ sendcmdto_one(&me, CMD_GLINE, cptr, "* %c%s@%s %Tu %Tu :%s",
+ GlineIsRemActive(gline) ? '+' : '-', gline->gl_user,
+ gline->gl_host, gline->gl_expire - CurrentTime,
+ gline->gl_lastmod, gline->gl_reason);
+ }
-#ifdef BADCHAN
- if ('#' == *host || '&' == *host || '+' == *host)
- gtype = 1; /* BAD CHANNEL */
-#endif
+ for (gline = BadChanGlineList; gline; gline = sgline) { /* all glines */
+ sgline = gline->gl_next;
- /* Inform ops */
- sendto_op_mask(SNO_GLINE,
- "%s adding %s%s for %s@%s, expiring at " TIME_T_FMT ": %s", sptr->name,
- local ? "local " : "",
- gtype ? "BADCHAN" : "GLINE", user, host, expire, comment);
-
-#ifdef GPATH
- write_log(GPATH,
- "# " TIME_T_FMT " %s adding %s %s for %s@%s, expiring at " TIME_T_FMT
- ": %s\n", TStime(), sptr->name, local ? "local" : "global",
- gtype ? "BADCHAN" : "GLINE", user, host, expire, comment);
-
- /* this can be inserted into the conf */
- if (!gtype)
- write_log(GPATH, "%c:%s:%s:%s\n", ip_mask ? 'k' : 'K', host, comment,
- user);
-#endif /* GPATH */
-
- agline = make_gline(ip_mask, host, comment, user, expire);
- if (local)
- SetGlineIsLocal(agline);
-
-#ifdef BADCHAN
- if (gtype)
- return;
-#endif
+ if (gline->gl_expire <= CurrentTime) /* expire any that need expiring */
+ gline_free(gline);
+ else if (!GlineIsLocal(gline) && gline->gl_lastmod)
+ sendcmdto_one(&me, CMD_GLINE, cptr, "* %c%s %Tu %Tu :%s",
+ GlineIsRemActive(gline) ? '+' : '-', gline->gl_user,
+ gline->gl_expire - CurrentTime, gline->gl_lastmod,
+ gline->gl_reason);
+ }
+}
- for (fd = HighestFd; fd >= 0; --fd) {
- /*
- * get the users!
- */
- if ((acptr = LocalClientArray[fd])) {
- if (!acptr->user)
- continue;
-#if 0
- /*
- * whee!! :)
- */
- if (!acptr->user || strlen(acptr->sockhost) > HOSTLEN ||
- (acptr->user->username ? strlen(acptr->user->username) : 0) > HOSTLEN)
- continue; /* these tests right out of
- find_kill for safety's sake */
-#endif
+int
+gline_resend(struct Client *cptr, struct Gline *gline)
+{
+ if (GlineIsLocal(gline) || !gline->gl_lastmod)
+ return 0;
- if ((GlineIsIpMask(agline) ? match(agline->host, acptr->sock_ip) :
- match(agline->host, acptr->sockhost)) == 0 &&
- (!acptr->user->username ||
- match(agline->name, acptr->user->username) == 0))
- {
+ sendcmdto_one(&me, CMD_GLINE, cptr, "* %c%s%s%s %Tu %Tu :%s",
+ GlineIsRemActive(gline) ? '+' : '-', gline->gl_user,
+ GlineIsBadChan(gline) ? "" : "@",
+ GlineIsBadChan(gline) ? "" : gline->gl_host,
+ gline->gl_expire - CurrentTime, gline->gl_lastmod,
+ gline->gl_reason);
- /* ok, he was the one that got G-lined */
- sendto_one(acptr, ":%s %d %s :*** %s.", me.name,
- ERR_YOUREBANNEDCREEP, acptr->name, agline->reason);
+ return 0;
+}
- /* let the ops know about my first kill */
- sendto_op_mask(SNO_GLINE, "G-line active for %s",
- get_client_name(acptr, FALSE));
+int
+gline_list(struct Client *sptr, char *userhost)
+{
+ struct Gline *gline;
+ struct Gline *sgline;
+
+ if (userhost) {
+ if (!(gline = gline_find(userhost, GLINE_ANY))) /* no such gline */
+ return send_reply(sptr, ERR_NOSUCHGLINE, userhost);
+
+ /* send gline information along */
+ send_reply(sptr, RPL_GLIST, gline->gl_user,
+ GlineIsBadChan(gline) ? "" : "@",
+ GlineIsBadChan(gline) ? "" : gline->gl_host,
+ gline->gl_expire + TSoffset,
+ GlineIsLocal(gline) ? cli_name(&me) : "*",
+ GlineIsActive(gline) ? '+' : '-', gline->gl_reason);
+ } else {
+ for (gline = GlobalGlineList; gline; gline = sgline) {
+ sgline = gline->gl_next;
+
+ if (gline->gl_expire <= CurrentTime)
+ gline_free(gline);
+ else
+ send_reply(sptr, RPL_GLIST, gline->gl_user, "@", gline->gl_host,
+ gline->gl_expire + TSoffset,
+ GlineIsLocal(gline) ? cli_name(&me) : "*",
+ GlineIsActive(gline) ? '+' : '-', gline->gl_reason);
+ }
- /* and get rid of him */
- if (sptr != acptr)
- exit_client(sptr->from, acptr, &me, "G-lined");
- }
+ for (gline = BadChanGlineList; gline; gline = sgline) {
+ sgline = gline->gl_next;
+
+ if (gline->gl_expire <= CurrentTime)
+ gline_free(gline);
+ else
+ send_reply(sptr, RPL_GLIST, gline->gl_user, "", "",
+ gline->gl_expire + TSoffset,
+ GlineIsLocal(gline) ? cli_name(&me) : "*",
+ GlineIsActive(gline) ? '+' : '-', gline->gl_reason);
}
}
+
+ /* end of gline information */
+ return send_reply(sptr, RPL_ENDOFGLIST);
}
+void
+gline_stats(struct Client *sptr)
+{
+ struct Gline *gline;
+ struct Gline *sgline;
+
+ for (gline = GlobalGlineList; gline; gline = sgline) {
+ sgline = gline->gl_next;
+
+ if (gline->gl_expire <= CurrentTime)
+ gline_free(gline);
+ else
+ send_reply(sptr, RPL_STATSGLINE, 'G', gline->gl_user, gline->gl_host,
+ gline->gl_expire + TSoffset, gline->gl_reason);
+ }
+}
projects / ircu2.10.12-pk.git / blobdiff