X-Git-Url: http://git.pk910.de/?a=blobdiff_plain;f=ircd%2Fm_kill.c;h=b038bc884d496e770eec2c25badfadc3e967a2ea;hb=74de0986e40ba8bf85d71e4b574aa6a109a08c10;hp=dd5b36ad6da8e1e5e89155811e8190e085ffb7a1;hpb=fda0e2796ececf42f7a36f8066cc63fa1ef736fc;p=ircu2.10.12-pk.git diff --git a/ircd/m_kill.c b/ircd/m_kill.c index dd5b36a..b038bc8 100644 --- a/ircd/m_kill.c +++ b/ircd/m_kill.c @@ -79,19 +79,15 @@ * note: it is guaranteed that parv[0]..parv[parc-1] are all * non-NULL pointers. */ -#if 0 -/* - * No need to include handlers.h here the signatures must match - * and we don't need to force a rebuild of all the handlers everytime - * we add a new one to the list. --Bleep - */ -#include "handlers.h" -#endif /* 0 */ +#include "config.h" + #include "client.h" #include "hash.h" #include "ircd.h" +#include "ircd_features.h" #include "ircd_log.h" #include "ircd_reply.h" +#include "ircd_snprintf.h" #include "ircd_string.h" #include "msg.h" #include "numeric.h" @@ -100,11 +96,73 @@ #include "send.h" #include "whowas.h" -#include +/* #include -- Now using assert in ircd_log.h */ #include /* - * ms_kill - server message handler template + * do_kill - Performs the generic work involved in killing a client + * + */ +static int do_kill(struct Client* cptr, struct Client* sptr, + struct Client* victim, char* inpath, char* path, char* msg) +{ + assert(0 != cptr); + assert(0 != sptr); + assert(!IsServer(victim)); + + /* + * Notify all *local* opers about the KILL (this includes the one + * originating the kill, if from this server--the special numeric + * reply message is not generated anymore). + * + * Note: "victim->name" is used instead of "user" because we may + * have changed the target because of the nickname change. + */ + sendto_opmask_butone(0, IsServer(sptr) ? SNO_SERVKILL : SNO_OPERKILL, + "Received KILL message for %s from %s Path: %s!%s %s", + get_client_name(victim, SHOW_IP), cli_name(sptr), + inpath, path, msg); + log_write_kill(victim, sptr, inpath, path, msg); + + /* + * And pass on the message to other servers. Note, that if KILL + * was changed, the message has to be sent to all links, also + * back. + * Client suicide kills are NOT passed on --SRB + */ + if (IsServer(cptr) || !MyConnect(victim)) { + sendcmdto_serv_butone(sptr, CMD_KILL, cptr, "%C :%s!%s %s", victim, + inpath, path, msg); + + /* + * Set FLAG_KILLED. This prevents exit_one_client from sending + * the unnecessary QUIT for this. (This flag should never be + * set in any other place) + */ + SetFlag(victim, FLAG_KILLED); + } + + /* + * Tell the victim she/he has been zapped, but *only* if + * the victim is on current server--no sense in sending the + * notification chasing the above kill, it won't get far + * anyway (as this user don't exist there any more either) + * In accordance with the new hiding rules, the victim + * always sees the kill as coming from me. + */ + if (MyConnect(victim)) + sendcmdto_one(feature_bool(FEAT_HIS_KILLWHO) ? &his : sptr, CMD_KILL, + victim, "%C :%s %s", victim, feature_bool(FEAT_HIS_KILLWHO) + ? feature_str(FEAT_HIS_SERVERNAME) : cli_name(sptr), msg); + return exit_client_msg(cptr, victim, feature_bool(FEAT_HIS_KILLWHO) + ? &me : sptr, "Killed (%s %s)", + feature_bool(FEAT_HIS_KILLWHO) ? + feature_str(FEAT_HIS_SERVERNAME) : cli_name(sptr), + msg); +} + +/* + * ms_kill - server message handler * * NOTE: IsServer(cptr) == true; * @@ -115,11 +173,8 @@ int ms_kill(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) { struct Client* victim; - const char* inpath; - char* user; char* path; - char* killer; - char buf[BUFSIZE]; + char* msg; assert(0 != cptr); assert(0 != sptr); @@ -129,12 +184,18 @@ int ms_kill(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) * XXX - a server sending less than 3 params could really desync * things */ - if (parc < 3) + if (parc < 3) { + protocol_violation(sptr,"Too few arguments for KILL"); return need_more_params(sptr, "KILL"); + } - user = parv[1]; path = parv[parc - 1]; /* Either defined or NULL (parc >= 3) */ + if (!(msg = strchr(path, ' '))) /* Extract out the message */ + msg = "(No reason supplied)"; + else + *(msg++) = '\0'; /* Remove first character (space) and terminate path */ + if (!(victim = findNUser(parv[1]))) { if (IsUser(sptr)) sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :KILL target disconnected " @@ -142,28 +203,6 @@ int ms_kill(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) return 0; } - /* - * Notify all *local* opers about the KILL (this includes the one - * originating the kill, if from this server--the special numeric - * reply message is not generated anymore). - * - * Note: "victim->name" is used instead of "user" because we may - * have changed the target because of the nickname change. - */ - inpath = cli_name(cptr); - - sendto_opmask_butone(0, IsServer(sptr) ? SNO_SERVKILL : SNO_OPERKILL, - "Received KILL message for %s. From %s Path: %C!%s", - get_client_name(victim,SHOW_IP), parv[0], cptr, path); - - log_write_kill(victim, sptr, cli_name(cptr), path); - /* - * And pass on the message to other servers. Note, that if KILL - * was changed, the message has to be sent to all links, also - * back. - */ - sendcmdto_serv_butone(sptr, CMD_KILL, cptr, "%C :%s!%s", victim, cli_name(cptr), - path); /* * We *can* have crossed a NICK with this numeric... --Run * @@ -180,45 +219,15 @@ int ms_kill(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) * Bounce the kill back to the originator, if the client can't be found * by the next hop (short lag) the bounce won't propagate further. */ - if (MyConnect(victim)) - sendcmdto_one(&me, CMD_KILL, cptr, "%C :%s!%s (Ghost 5 Numeric Collided)", - victim, cli_name(cptr), path); - /* - * Set FLAGS_KILLED. This prevents exit_one_client from sending - * the unnecessary QUIT for this. (This flag should never be - * set in any other place) - */ - cli_flags(victim) |= FLAGS_KILLED; - - /* - * Tell the victim she/he has been zapped, but *only* if - * the victim is on current server--no sense in sending the - * notification chasing the above kill, it won't get far - * anyway (as this user don't exist there any more either) - */ - if (MyConnect(victim)) - sendcmdto_one(sptr, CMD_KILL, victim, "%C :%s!%s", victim, NumServ(cptr), - path); - /* - * the first space in path will be at the end of the - * opers name: - * bla.bla.bla!host.net.dom!opername (comment) - */ - if ((killer = strchr(path, ' '))) { - while (killer > path && '!' != *killer) - --killer; - if ('!' == *killer) - ++killer; + if (MyConnect(victim)) { + sendcmdto_one(&me, CMD_KILL, cptr, "%C :%s (Ghost 5 Numeric Collided)", + victim, path); } - else - killer = path; - sprintf_irc(buf, "Killed (%s)", killer); - - return exit_client(cptr, victim, sptr, buf); + return do_kill(cptr, sptr, victim, cli_name(cptr), path, msg); } /* - * mo_kill - oper message handler template + * mo_kill - oper message handler * * NOTE: IsPrivileged(sptr), IsAnOper(sptr) == true * IsServer(cptr), IsServer(sptr) == false @@ -230,11 +239,8 @@ int ms_kill(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) int mo_kill(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) { struct Client* victim; - const char* inpath; char* user; - char* path; - char* comment; - char buf[BUFSIZE]; + char msg[TOPICLEN + 3]; /* (, ), and \0 */ assert(0 != cptr); assert(0 != sptr); @@ -244,15 +250,15 @@ int mo_kill(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) assert(cptr == sptr); assert(IsAnOper(sptr)); -#if defined(OPER_KILL) - if (parc < 3 || EmptyString(parv[parc - 1])) return need_more_params(sptr, "KILL"); user = parv[1]; + ircd_snprintf(0, msg, sizeof(msg), "(%.*s)", TOPICLEN, parv[parc - 1]); + if (!(victim = FindClient(user))) { /* - * If the user has recently changed nick, we automaticly + * If the user has recently changed nick, we automatically * rewrite the KILL for this new nickname--this keeps * servers in synch when nick change and kill collide */ @@ -262,7 +268,7 @@ int mo_kill(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :Changed KILL %s into %s", sptr, user, cli_name(victim)); } - if (!MyConnect(victim) && IsLocOp(cptr)) + if (!HasPriv(sptr, MyConnect(victim) ? PRIV_LOCAL_KILL : PRIV_KILL)) return send_reply(sptr, ERR_NOPRIVILEGES); if (IsServer(victim) || IsMe(victim)) { @@ -275,306 +281,11 @@ int mo_kill(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) return send_reply(sptr, ERR_ISCHANSERVICE, "KILL", cli_name(victim)); -#ifdef LOCAL_KILL_ONLY - if (!MyConnect(victim)) { - sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :Nick %s isnt on your server", sptr, - cli_name(victim)); + if (!MyConnect(victim) && !HasPriv(sptr, PRIV_KILL)) { + sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :Nick %s isn't on your server", + sptr, cli_name(victim)); return 0; } -#endif - /* - * The kill originates from this server, initialize path. - * (In which case the 'path' may contain user suplied - * explanation ...or some nasty comment, sigh... >;-) - * - * ...!operhost!oper - * ...!operhost!oper (comment) - */ - - comment = parv[parc - 1]; /* Either defined or NULL (parc >= 3) */ - - if (strlen(comment) > TOPICLEN) - comment[TOPICLEN] = '\0'; - - inpath = cli_user(sptr)->host; - - sprintf_irc(buf, - "%s%s (%s)", cli_name(cptr), IsOper(sptr) ? "" : "(L)", comment); - path = buf; - - /* - * Notify all *local* opers about the KILL (this includes the one - * originating the kill, if from this server--the special numeric - * reply message is not generated anymore). - * - * Note: "victim->name" is used instead of "user" because we may - * have changed the target because of the nickname change. - */ - sendto_opmask_butone(0, SNO_OPERKILL, - "Received KILL message for %s. From %s Path: %s!%s", - get_client_name(victim,SHOW_IP), parv[0], inpath, path); - - log_write_kill(victim, sptr, inpath, path); - /* - * And pass on the message to other servers. Note, that if KILL - * was changed, the message has to be sent to all links, also - * back. - * Suicide kills are NOT passed on --SRB - */ - if (!MyConnect(victim)) { - sendcmdto_serv_butone(sptr, CMD_KILL, cptr, "%C :%s!%s", victim, inpath, - path); - - /* - * Set FLAGS_KILLED. This prevents exit_one_client from sending - * the unnecessary QUIT for this. (This flag should never be - * set in any other place) - */ - cli_flags(victim) |= FLAGS_KILLED; - - sprintf_irc(buf, "Killed by %s (%s)", cli_name(sptr), comment); - } - else { - /* - * Tell the victim she/he has been zapped, but *only* if - * the victim is on current server--no sense in sending the - * notification chasing the above kill, it won't get far - * anyway (as this user don't exist there any more either) - */ - sendcmdto_one(sptr, CMD_KILL, victim, "%C :%s!%s", victim, inpath, path); - sprintf_irc(buf, "Local kill by %s (%s)", cli_name(sptr), comment); - } - - return exit_client(cptr, victim, sptr, buf); - -#else /* !defined(OPER_KILL) */ - - return send_reply(sptr, ERR_NOPRIVILEGES); - -#endif /* !defined(OPER_KILL) */ + return do_kill(cptr, sptr, victim, cli_user(sptr)->host, cli_name(sptr), + msg); } - -#if 0 -/* - * m_kill - * - * parv[0] = sender prefix - * parv[1] = kill victim - * parv[parc-1] = kill path - */ -int m_kill(struct Client *cptr, struct Client *sptr, int parc, char *parv[]) -{ - struct Client* acptr; - const char* inpath = get_client_name(cptr, HIDE_IP); - char* user; - char* path; - char* killer; - int chasing = 0; - char buf[BUFSIZE]; - char buf2[BUFSIZE]; - - if (parc < 3 || *parv[1] == '\0') - return need_more_params(sptr, parv[0], "KILL"); - - user = parv[1]; - path = parv[parc - 1]; /* Either defined or NULL (parc >= 3) */ - -#ifdef OPER_KILL - if (!IsPrivileged(cptr)) - { - sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]); /* XXX DEAD */ - return 0; - } -#else - if (!IsServer(cptr)) - { - sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]); /* XXX DEAD */ - return 0; - } -#endif - if (IsAnOper(cptr)) - { - if (EmptyString(path)) - return need_more_params(sptr, parv[0], "KILL"); - - if (strlen(path) > TOPICLEN) - path[TOPICLEN] = '\0'; - } - - if (MyUser(sptr)) - { - if (!(acptr = FindClient(user))) - { - /* - * If the user has recently changed nick, we automaticly - * rewrite the KILL for this new nickname--this keeps - * servers in synch when nick change and kill collide - */ - if (!(acptr = get_history(user, (long)15))) - { - sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name, parv[0], user); /* XXX DEAD */ - return 0; - } - sendto_one(sptr, ":%s NOTICE %s :Changed KILL %s into %s", /* XXX DEAD */ - me.name, parv[0], user, acptr->name); - chasing = 1; - } - } - else if (!(acptr = findNUser(user))) - { - if (IsUser(sptr)) - sendto_one(sptr, /* XXX DEAD */ - "%s NOTICE %s%s :KILL target disconnected before I got him :(", - NumServ(&me), NumNick(sptr)); - return 0; - } - if (!MyConnect(acptr) && IsLocOp(cptr)) - { - sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]); /* XXX DEAD */ - return 0; - } - if (IsServer(acptr) || IsMe(acptr)) - { - sendto_one(sptr, err_str(ERR_CANTKILLSERVER), me.name, parv[0]); /* XXX DEAD */ - return 0; - } - - /* if the user is +k, prevent a kill from local user */ - if (IsChannelService(acptr) && MyUser(sptr)) - { - sendto_one(sptr, err_str(ERR_ISCHANSERVICE), me.name, /* XXX DEAD */ - parv[0], "KILL", acptr->name); - return 0; - } - -#ifdef LOCAL_KILL_ONLY - if (MyConnect(sptr) && !MyConnect(acptr)) - { - sendto_one(sptr, ":%s NOTICE %s :Nick %s isnt on your server", /* XXX DEAD */ - me.name, parv[0], acptr->name); - return 0; - } -#endif - if (!IsServer(cptr)) - { - /* - * The kill originates from this server, initialize path. - * (In which case the 'path' may contain user suplied - * explanation ...or some nasty comment, sigh... >;-) - * - * ...!operhost!oper - * ...!operhost!oper (comment) - */ - inpath = cptr->sockhost; - - if (!EmptyString(path)) - { - sprintf_irc(buf, - "%s%s (%s)", cptr->name, IsOper(sptr) ? "" : "(L)", path); - path = buf; - } - else - path = cptr->name; - } - else if (EmptyString(path)) - path = "*no-path*"; /* Bogus server sending??? */ - /* - * Notify all *local* opers about the KILL (this includes the one - * originating the kill, if from this server--the special numeric - * reply message is not generated anymore). - * - * Note: "acptr->name" is used instead of "user" because we may - * have changed the target because of the nickname change. - */ - if (IsLocOp(sptr) && !MyConnect(acptr)) - { - sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]); /* XXX DEAD */ - return 0; - } - sendto_op_mask(IsServer(sptr) ? SNO_SERVKILL : SNO_OPERKILL, /* XXX DEAD */ - "Received KILL message for %s. From %s Path: %s!%s", - acptr->name, parv[0], inpath, path); -#if defined(USE_SYSLOG) && defined(SYSLOG_KILL) - if (MyUser(acptr)) - { /* get more infos when your local - clients are killed -- _dl */ - if (IsServer(sptr)) - ircd_log(L_TRACE, /* XXX DEAD */ - "A local client %s!%s@%s KILLED from %s [%s] Path: %s!%s)", - acptr->name, acptr->user->username, acptr->user->host, - parv[0], sptr->name, inpath, path); - else - ircd_log(L_TRACE, /* XXX DEAD */ - "A local client %s!%s@%s KILLED by %s [%s!%s@%s] (%s!%s)", - acptr->name, acptr->user->username, acptr->user->host, - parv[0], sptr->name, sptr->user->username, sptr->user->host, - inpath, path); - } - else if (IsOper(sptr)) - ircd_log(L_TRACE, "KILL From %s For %s Path %s!%s", /* XXX DEAD */ - parv[0], acptr->name, inpath, path); -#endif - /* - * And pass on the message to other servers. Note, that if KILL - * was changed, the message has to be sent to all links, also - * back. - * Suicide kills are NOT passed on --SRB - */ - if (!MyConnect(acptr) || !MyConnect(sptr) || !IsAnOper(sptr)) - { - sendto_highprot_butone(cptr, 10, ":%s " TOK_KILL " %s%s :%s!%s", /* XXX DEAD */ - parv[0], NumNick(acptr), inpath, path); - /* We *can* have crossed a NICK with this numeric... --Run */ - /* Note the following situation: - * KILL SAA --> X - * <-- S NICK ... SAA | <-- SAA QUIT <-- S NICK ... SAA <-- SQUIT S - * Where the KILL reaches point X before the QUIT does. - * This would then *still* cause an orphan because the KILL doesn't reach S - * (because of the SQUIT), the QUIT is ignored (because of the KILL) - * and the second NICK ... SAA causes an orphan on the server at the - * right (which then isn't removed when the SQUIT arrives). - * Therefore we still need to detect numeric nick collisions too. - */ - if (MyConnect(acptr) && IsServer(cptr)) - sendto_one(cptr, "%s " TOK_KILL " %s%s :%s!%s (Ghost5)", /* XXX DEAD */ - NumServ(&me), NumNick(acptr), inpath, path); - acptr->flags |= FLAGS_KILLED; - } - - /* - * Tell the victim she/he has been zapped, but *only* if - * the victim is on current server--no sense in sending the - * notification chasing the above kill, it won't get far - * anyway (as this user don't exist there any more either) - */ - if (MyConnect(acptr)) - sendto_prefix_one(acptr, sptr, ":%s KILL %s :%s!%s", /* XXX DEAD */ - parv[0], acptr->name, inpath, path); - /* - * Set FLAGS_KILLED. This prevents exit_one_client from sending - * the unnecessary QUIT for this. (This flag should never be - * set in any other place) - */ - if (MyConnect(acptr) && MyConnect(sptr) && IsAnOper(sptr)) - sprintf_irc(buf2, "Local kill by %s (%s)", sptr->name, - EmptyString(parv[parc - 1]) ? sptr->name : parv[parc - 1]); - else - { - if ((killer = strchr(path, ' '))) - { - while (*killer && *killer != '!') - killer--; - if (!*killer) - killer = path; - else - killer++; - } - else - killer = path; - sprintf_irc(buf2, "Killed (%s)", killer); - } - return exit_client(cptr, acptr, sptr, buf2); -} - -#endif /* 0 */ -