ngIRCd GIT Updates

ngircd-commits@lists.barton.de

2443 Diskussionen

Alexander Barton : New local functions Check_Oper() and No_Privileges().
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: 926204cacd05f49f24e79d0af404c2da4cfdbe3a URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=926204ca… Author: Alexander Barton <alex(a)barton.de> Date: Sun Apr 13 19:25:46 2008 +0200 New local functions Check_Oper() and No_Privileges(). --- src/ngircd/irc-oper.c | 53 ++++++++++++++++++++++++++++++++++++------------- 1 files changed, 39 insertions(+), 14 deletions(-) diff --git a/src/ngircd/irc-oper.c b/src/ngircd/irc-oper.c index 736163c..7033031 100644 --- a/src/ngircd/irc-oper.c +++ b/src/ngircd/irc-oper.c @@ -50,6 +50,35 @@ Bad_OperPass(CLIENT *Client, char *errtoken, char *errmsg) } /* Bad_OperPass */ +/** + * Check that the client is an IRC operator allowed to administer this server. + */ +static bool +Check_Oper(CLIENT * Client) +{ + if (!Client_HasMode(Client, 'o')) + return false; + if (!Client_OperByMe(Client) && !Conf_AllowRemoteOper) + return false; + /* The client is an local IRC operator, or this server is configured + * to trust remote operators. */ + return true; +} /* CheckOper */ + + +/** + * Return and log a "no privileges" message. + */ +static bool +No_Privileges(CLIENT * Client, REQUEST * Req) +{ + Log(LOG_NOTICE, "No privileges: client \"%s\", command \"%s\"", + Client_Mask(Client), Req->command); + return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG, + Client_ID(Client)); +} /* PermissionDenied */ + + GLOBAL bool IRC_OPER( CLIENT *Client, REQUEST *Req ) { @@ -98,10 +127,8 @@ IRC_DIE(CLIENT * Client, REQUEST * Req) assert(Client != NULL); assert(Req != NULL); - /* Not a local IRC operator? */ - if ((!Client_HasMode(Client, 'o')) || (!Client_OperByMe(Client))) - return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG, - Client_ID(Client)); + if (!Check_Oper(Client)) + return No_Privileges(Client, Req); /* Bad number of parameters? */ #ifdef STRICT_RFC @@ -140,8 +167,8 @@ IRC_REHASH( CLIENT *Client, REQUEST *Req ) assert( Client != NULL ); assert( Req != NULL ); - /* Not a local IRC operator? */ - if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client )); + if (!Check_Oper(Client)) + return No_Privileges(Client, Req); /* Bad number of parameters? */ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); @@ -161,8 +188,8 @@ IRC_RESTART( CLIENT *Client, REQUEST *Req ) assert( Client != NULL ); assert( Req != NULL ); - /* Not a local IRC operator? */ - if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client )); + if (!Check_Oper(Client)) + return No_Privileges(Client, Req); /* Bad number of parameters? */ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); @@ -183,10 +210,8 @@ IRC_CONNECT(CLIENT * Client, REQUEST * Req) assert(Client != NULL); assert(Req != NULL); - /* Not a local IRC operator? */ - if ((!Client_HasMode(Client, 'o')) || (!Client_OperByMe(Client))) - return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG, - Client_ID(Client)); + if (!Check_Oper(Client)) + return No_Privileges(Client, Req); /* Bad number of parameters? */ if ((Req->argc != 1) && (Req->argc != 2) && (Req->argc != 5)) @@ -241,8 +266,8 @@ IRC_DISCONNECT(CLIENT *Client, REQUEST *Req ) assert( Client != NULL ); assert( Req != NULL ); - /* Not a local IRC operator? */ - if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client )); + if (!Check_Oper(Client)) + return No_Privileges(Client, Req); /* Bad number of parameters? */ if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );

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Alexander Barton : Code cleanup of IRC_SQUIT() in preparation to deal with bug #73.
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: bce16c2864309d5fc7da8d0591120466303aa966 URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=bce16c28… Author: Alexander Barton <alex(a)barton.de> Date: Wed Apr 9 19:49:34 2008 +0200 Code cleanup of IRC_SQUIT() in preparation to deal with bug #73. --- src/ngircd/irc-server.c | 63 +++++++++++++++++++++++++++------------------- 1 files changed, 37 insertions(+), 26 deletions(-) diff --git a/src/ngircd/irc-server.c b/src/ngircd/irc-server.c index 3c34c20..b75a34f 100644 --- a/src/ngircd/irc-server.c +++ b/src/ngircd/irc-server.c @@ -266,44 +266,55 @@ IRC_NJOIN( CLIENT *Client, REQUEST *Req ) } /* IRC_NJOIN */ +/** + * Handler for the IRC command "SQUIT". + * See RFC 2813 section 4.1.2 and RFC 2812 section 3.1.8. + */ GLOBAL bool -IRC_SQUIT( CLIENT *Client, REQUEST *Req ) +IRC_SQUIT(CLIENT * Client, REQUEST * Req) { CLIENT *target; char msg[LINE_LEN + 64]; - assert( Client != NULL ); - assert( Req != NULL ); + assert(Client != NULL); + assert(Req != NULL); - if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + /* Bad number of arguments? */ + if (Req->argc != 2) + return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, + Client_ID(Client), Req->command); - Log( LOG_DEBUG, "Got SQUIT from %s for \"%s\": \"%s\" ...", Client_ID( Client ), Req->argv[0], Req->argv[1] ); + Log(LOG_DEBUG, "Got SQUIT from %s for \"%s\": \"%s\" ...", + Client_ID(Client), Req->argv[0], Req->argv[1]); - target = Client_Search( Req->argv[0] ); - if( ! target ) - { - Log( LOG_WARNING, "Got SQUIT from %s for unknown server \"%s\"!?", Client_ID( Client ), Req->argv[0] ); + target = Client_Search(Req->argv[0]); + if (!target) { + /* The server is (already) unknown */ + Log(LOG_WARNING, + "Got SQUIT from %s for unknown server \"%s\"!?", + Client_ID(Client), Req->argv[0]); return CONNECTED; } - if( Req->argv[1][0] ) - { - if( strlen( Req->argv[1] ) > LINE_LEN ) Req->argv[1][LINE_LEN] = '\0'; - snprintf( msg, sizeof( msg ), "%s (SQUIT from %s).", Req->argv[1], Client_ID( Client )); - } - else snprintf( msg, sizeof( msg ), "Got SQUIT from %s.", Client_ID( Client )); - - if( Client_Conn( target ) > NONE ) - { - /* This server has the connection */ - if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], true); - else Conn_Close( Client_Conn( target ), msg, NULL, true); + if (Req->argv[1][0]) { + if (strlen(Req->argv[1]) > LINE_LEN) + Req->argv[1][LINE_LEN] = '\0'; + snprintf(msg, sizeof(msg), "%s (SQUIT from %s).", Req->argv[1], + Client_ID(Client)); + } else + snprintf(msg, sizeof(msg), "Got SQUIT from %s.", + Client_ID(Client)); + + if (Client_Conn(target) > NONE) { + /* We are directly connected to this server */ + if (Req->argv[1][0]) + Conn_Close(Client_Conn(target), msg, Req->argv[1], + true); + else + Conn_Close(Client_Conn(target), msg, NULL, true); return DISCONNECTED; - } - else - { - /* connection was on another server */ - Client_Destroy( target, msg, Req->argv[1], false ); + } else { + Client_Destroy(target, msg, Req->argv[1], false); return CONNECTED; } } /* IRC_SQUIT */

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Alexander Barton : Code cleanup of IRC_DISCONNECT().
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: 9a7499af8bb3c4b781492fef216c86cf7ab04134 URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=9a7499af… Author: Alexander Barton <alex(a)barton.de> Date: Sun Apr 13 03:19:29 2008 +0200 Code cleanup of IRC_DISCONNECT(). --- src/ngircd/irc-oper.c | 37 +++++++++++++++++++++++-------------- 1 files changed, 23 insertions(+), 14 deletions(-) diff --git a/src/ngircd/irc-oper.c b/src/ngircd/irc-oper.c index 7033031..868d0ad 100644 --- a/src/ngircd/irc-oper.c +++ b/src/ngircd/irc-oper.c @@ -1,6 +1,6 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001,2002 by Alexander Barton (alex(a)barton.de) + * Copyright (c)2001-2008 Alexander Barton (alex(a)barton.de) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -256,34 +256,43 @@ IRC_CONNECT(CLIENT * Client, REQUEST * Req) } /* IRC_CONNECT */ +/** + * Disconnect (and disable) configured server. + */ GLOBAL bool -IRC_DISCONNECT(CLIENT *Client, REQUEST *Req ) +IRC_DISCONNECT(CLIENT * Client, REQUEST * Req) { - /* Disconnect and disable configured server */ - CONN_ID my_conn; - assert( Client != NULL ); - assert( Req != NULL ); + assert(Client != NULL); + assert(Req != NULL); if (!Check_Oper(Client)) return No_Privileges(Client, Req); /* Bad number of parameters? */ - if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + if (Req->argc != 1) + return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, + Client_ID(Client), Req->command); - Log( LOG_NOTICE|LOG_snotice, "Got DISCONNECT command from \"%s\" for0 \"%s\".", Client_Mask( Client ), Req->argv[0]); + Log(LOG_NOTICE | LOG_snotice, + "Got DISCONNECT command from \"%s\" for \"%s\".", + Client_Mask(Client), Req->argv[0]); /* Save ID of this connection */ - my_conn = Client_Conn( Client ); + my_conn = Client_Conn(Client); - /* Connect configured server */ - if( ! Conf_DisableServer( Req->argv[0] )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] ); + /* Disconnect configured server */ + if (!Conf_DisableServer(Req->argv[0])) + return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG, + Client_ID(Client), Req->argv[0]); /* Are we still connected or were we killed, too? */ - if( Conn_GetClient( my_conn )) return CONNECTED; - else return DISCONNECTED; -} /* IRC_CONNECT */ + if (Conn_GetClient(my_conn)) + return CONNECTED; + else + return DISCONNECTED; +} /* IRC_DISCONNECT */ GLOBAL bool

1 0

Alexander Barton : New function IRC_SendWallops().
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: eaaf0c3bd5ce4f48205ca928fba994d0c44e59b2 URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=eaaf0c3b… Author: Alexander Barton <alex(a)barton.de> Date: Tue May 6 15:30:29 2008 +0200 New function IRC_SendWallops(). Implement new global function IRC_SendWallops() that can be called by other functions to generate WALLOPS messages to users with +w mode. --- src/ngircd/irc-oper.c | 26 ++++---------------------- src/ngircd/irc-write.c | 30 +++++++++++++++++++++++++++++- src/ngircd/irc-write.h | 3 +++ 3 files changed, 36 insertions(+), 23 deletions(-) diff --git a/src/ngircd/irc-oper.c b/src/ngircd/irc-oper.c index 868d0ad..aae071b 100644 --- a/src/ngircd/irc-oper.c +++ b/src/ngircd/irc-oper.c @@ -298,8 +298,7 @@ IRC_DISCONNECT(CLIENT * Client, REQUEST * Req) GLOBAL bool IRC_WALLOPS( CLIENT *Client, REQUEST *Req ) { - CLIENT *to, *from; - int client_type; + CLIENT *from; assert( Client != NULL ); assert( Req != NULL ); @@ -307,8 +306,7 @@ IRC_WALLOPS( CLIENT *Client, REQUEST *Req ) if (Req->argc != 1) return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command); - client_type = Client_Type(Client); - switch (client_type) { + switch (Client_Type(Client)) { case CLIENT_USER: if (!Client_OperByMe(Client)) return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG, Client_ID(Client)); @@ -324,25 +322,9 @@ IRC_WALLOPS( CLIENT *Client, REQUEST *Req ) if (!from) return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID(Client), Req->prefix); - for (to=Client_First(); to != NULL; to=Client_Next(to)) { - if (Client_Conn(to) < 0) /* no local connection or WALLOPS origin */ - continue; - - client_type = Client_Type(to); - switch (client_type) { - case CLIENT_USER: - if (Client_HasMode(to, 'w')) - IRC_WriteStrClientPrefix(to, from, "WALLOPS :%s", Req->argv[0]); - break; - case CLIENT_SERVER: - if (to != Client) - IRC_WriteStrClientPrefix(to, from, "WALLOPS :%s", Req->argv[0]); - break; - } - } + IRC_SendWallops(Client, from, Req->argv[0]); return CONNECTED; -} - +} /* IRC_WALLOPS */ /* -eof- */ diff --git a/src/ngircd/irc-write.c b/src/ngircd/irc-write.c index ea0f5f8..dae78e5 100644 --- a/src/ngircd/irc-write.c +++ b/src/ngircd/irc-write.c @@ -1,6 +1,6 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001-2005 by Alexander Barton (alex(a)barton.de) + * Copyright (c)2001-2008 Alexander Barton (alex(a)barton.de) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -405,6 +405,34 @@ va_dcl } /* IRC_WriteStrRelatedPrefix */ +/** + * Send WALLOPS message. + */ +GLOBAL void +IRC_SendWallops(CLIENT *Client, CLIENT *From, const char *Message) +{ + CLIENT *to; + + for (to=Client_First(); to != NULL; to=Client_Next(to)) { + if (Client_Conn(to) == NONE) /* no local connection */ + continue; + + switch (Client_Type(to)) { + case CLIENT_USER: + if (Client_HasMode(to, 'w')) + IRC_WriteStrClientPrefix(to, From, + "WALLOPS :%s", Message); + break; + case CLIENT_SERVER: + if (to != Client) + IRC_WriteStrClientPrefix(to, From, + "WALLOPS :%s", Message); + break; + } + } +} /* IRC_SendWallops */ + + GLOBAL void IRC_SetPenalty( CLIENT *Client, time_t Seconds ) { diff --git a/src/ngircd/irc-write.h b/src/ngircd/irc-write.h index 51c8f0c..5bac0de 100644 --- a/src/ngircd/irc-write.h +++ b/src/ngircd/irc-write.h @@ -35,6 +35,9 @@ GLOBAL void IRC_WriteStrServersPrefixFlag_CB PARAMS((CLIENT *ExceptOf, GLOBAL bool IRC_WriteStrRelatedPrefix PARAMS((CLIENT *Client, CLIENT *Prefix, bool Remote, char *Format, ...)); +GLOBAL void IRC_SendWallops PARAMS((CLIENT *Client, CLIENT *From, + const char *Message)); + GLOBAL void IRC_SetPenalty PARAMS((CLIENT *Client, time_t Seconds)); #endif

1 0

Alexander Barton : CONNECT, DISCONNECT: generate WALLOPS messages
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: 30b584c2e8632f94312dc9575fccc510a2b437c0 URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=30b584c2… Author: Alexander Barton <alex(a)barton.de> Date: Tue May 6 17:51:45 2008 +0200 CONNECT, DISCONNECT: generate WALLOPS messages --- src/ngircd/irc-oper.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/src/ngircd/irc-oper.c b/src/ngircd/irc-oper.c index aae071b..0824149 100644 --- a/src/ngircd/irc-oper.c +++ b/src/ngircd/irc-oper.c @@ -16,6 +16,7 @@ #include "imp.h" #include <assert.h> +#include <stdio.h> #include <stdlib.h> #include <string.h> @@ -206,6 +207,7 @@ IRC_RESTART( CLIENT *Client, REQUEST *Req ) GLOBAL bool IRC_CONNECT(CLIENT * Client, REQUEST * Req) { + char msg[LINE_LEN + 64]; assert(Client != NULL); assert(Req != NULL); @@ -223,6 +225,10 @@ IRC_CONNECT(CLIENT * Client, REQUEST * Req) return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command); + snprintf(msg, sizeof(msg), "Received CONNECT %s from %s", + Req->argv[0], Client_ID(Client)); + IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), msg); + Log(LOG_NOTICE | LOG_snotice, "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask(Client), Req->argv[0]); @@ -263,6 +269,7 @@ GLOBAL bool IRC_DISCONNECT(CLIENT * Client, REQUEST * Req) { CONN_ID my_conn; + char msg[LINE_LEN + 64]; assert(Client != NULL); assert(Req != NULL); @@ -275,6 +282,10 @@ IRC_DISCONNECT(CLIENT * Client, REQUEST * Req) return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command); + snprintf(msg, sizeof(msg), "Received DISCONNECT %s from %s", + Req->argv[0], Client_ID(Client)); + IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), msg); + Log(LOG_NOTICE | LOG_snotice, "Got DISCONNECT command from \"%s\" for \"%s\".", Client_Mask(Client), Req->argv[0]);

1 0

Alexander Barton : IRC_SendWallops(): support format string and variable parameter lists.
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: 7d6de7c352f7b91b396cbdb6f2d194e2422b35b3 URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=7d6de7c3… Author: Alexander Barton <alex(a)barton.de> Date: Tue Jul 22 16:54:12 2008 +0200 IRC_SendWallops(): support format string and variable parameter lists. --- src/ngircd/irc-oper.c | 17 +++++++---------- src/ngircd/irc-write.c | 25 ++++++++++++++++++++++--- src/ngircd/irc-write.h | 2 +- 3 files changed, 30 insertions(+), 14 deletions(-) diff --git a/src/ngircd/irc-oper.c b/src/ngircd/irc-oper.c index 0824149..544fe67 100644 --- a/src/ngircd/irc-oper.c +++ b/src/ngircd/irc-oper.c @@ -207,8 +207,6 @@ IRC_RESTART( CLIENT *Client, REQUEST *Req ) GLOBAL bool IRC_CONNECT(CLIENT * Client, REQUEST * Req) { - char msg[LINE_LEN + 64]; - assert(Client != NULL); assert(Req != NULL); @@ -225,9 +223,9 @@ IRC_CONNECT(CLIENT * Client, REQUEST * Req) return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command); - snprintf(msg, sizeof(msg), "Received CONNECT %s from %s", - Req->argv[0], Client_ID(Client)); - IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), msg); + IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), + "Received CONNECT %s from %s", + Req->argv[0], Client_ID(Client)); Log(LOG_NOTICE | LOG_snotice, "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask(Client), @@ -269,7 +267,6 @@ GLOBAL bool IRC_DISCONNECT(CLIENT * Client, REQUEST * Req) { CONN_ID my_conn; - char msg[LINE_LEN + 64]; assert(Client != NULL); assert(Req != NULL); @@ -282,9 +279,9 @@ IRC_DISCONNECT(CLIENT * Client, REQUEST * Req) return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command); - snprintf(msg, sizeof(msg), "Received DISCONNECT %s from %s", - Req->argv[0], Client_ID(Client)); - IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), msg); + IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), + "Received DISCONNECT %s from %s", + Req->argv[0], Client_ID(Client)); Log(LOG_NOTICE | LOG_snotice, "Got DISCONNECT command from \"%s\" for \"%s\".", @@ -333,7 +330,7 @@ IRC_WALLOPS( CLIENT *Client, REQUEST *Req ) if (!from) return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID(Client), Req->prefix); - IRC_SendWallops(Client, from, Req->argv[0]); + IRC_SendWallops(Client, from, "%s", Req->argv[0]); return CONNECTED; } /* IRC_WALLOPS */ diff --git a/src/ngircd/irc-write.c b/src/ngircd/irc-write.c index dae78e5..9b5b5e2 100644 --- a/src/ngircd/irc-write.c +++ b/src/ngircd/irc-write.c @@ -408,11 +408,30 @@ va_dcl /** * Send WALLOPS message. */ +#ifdef PROTOTYPES +GLOBAL void +IRC_SendWallops(CLIENT *Client, CLIENT *From, const char *Format, ...) +#else GLOBAL void -IRC_SendWallops(CLIENT *Client, CLIENT *From, const char *Message) +IRC_SendWallops(Client, From, Format, va_alist ) +CLIENT *Client; +CLIENT *From; +char *Format; +va_dcl +#endif { + va_list ap; + char msg[1000]; CLIENT *to; +#ifdef PROTOTYPES + va_start(ap, Format); +#else + va_start(ap); +#endif + vsnprintf(msg, 1000, Format, ap); + va_end(ap); + for (to=Client_First(); to != NULL; to=Client_Next(to)) { if (Client_Conn(to) == NONE) /* no local connection */ continue; @@ -421,12 +440,12 @@ IRC_SendWallops(CLIENT *Client, CLIENT *From, const char *Message) case CLIENT_USER: if (Client_HasMode(to, 'w')) IRC_WriteStrClientPrefix(to, From, - "WALLOPS :%s", Message); + "WALLOPS :%s", msg); break; case CLIENT_SERVER: if (to != Client) IRC_WriteStrClientPrefix(to, From, - "WALLOPS :%s", Message); + "WALLOPS :%s", msg); break; } } diff --git a/src/ngircd/irc-write.h b/src/ngircd/irc-write.h index 5bac0de..a984997 100644 --- a/src/ngircd/irc-write.h +++ b/src/ngircd/irc-write.h @@ -36,7 +36,7 @@ GLOBAL bool IRC_WriteStrRelatedPrefix PARAMS((CLIENT *Client, CLIENT *Prefix, bool Remote, char *Format, ...)); GLOBAL void IRC_SendWallops PARAMS((CLIENT *Client, CLIENT *From, - const char *Message)); + const char *Format, ...)); GLOBAL void IRC_SetPenalty PARAMS((CLIENT *Client, time_t Seconds));

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Alexander Barton : No_Privileges(): handle forwarded messages.
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: 45b1a45c979d0418591a1c62204d5a607cf86cde URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=45b1a45c… Author: Alexander Barton <alex(a)barton.de> Date: Tue Jul 22 18:33:44 2008 +0200 No_Privileges(): handle forwarded messages. --- src/ngircd/irc-oper.c | 20 ++++++++++++++++---- 1 files changed, 16 insertions(+), 4 deletions(-) diff --git a/src/ngircd/irc-oper.c b/src/ngircd/irc-oper.c index 544fe67..e7dfee6 100644 --- a/src/ngircd/irc-oper.c +++ b/src/ngircd/irc-oper.c @@ -73,10 +73,22 @@ Check_Oper(CLIENT * Client) static bool No_Privileges(CLIENT * Client, REQUEST * Req) { - Log(LOG_NOTICE, "No privileges: client \"%s\", command \"%s\"", - Client_Mask(Client), Req->command); - return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG, - Client_ID(Client)); + CLIENT *from = NULL; + + if (Req->prefix) + from = Client_Search(Req->prefix); + + if (from) { + Log(LOG_NOTICE, "No privileges: client \"%s\" (%s), command \"%s\"", + Req->prefix, Client_Mask(Client), Req->command); + return IRC_WriteStrClient(from, ERR_NOPRIVILEGES_MSG, + Client_ID(from)); + } else { + Log(LOG_NOTICE, "No privileges: client \"%s\", command \"%s\"", + Client_Mask(Client), Req->command); + return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG, + Client_ID(Client)); + } } /* PermissionDenied */

1 0

Alexander Barton : Check_Oper(): check origin of forwarded messages instead of server.
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: 4a3e40bc95e783145855da611fa5944401a9c2c9 URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=4a3e40bc… Author: Alexander Barton <alex(a)barton.de> Date: Tue Jul 22 18:35:35 2008 +0200 Check_Oper(): check origin of forwarded messages instead of server. --- src/ngircd/irc-oper.c | 27 +++++++++++++++++++-------- 1 files changed, 19 insertions(+), 8 deletions(-) diff --git a/src/ngircd/irc-oper.c b/src/ngircd/irc-oper.c index e7dfee6..656e959 100644 --- a/src/ngircd/irc-oper.c +++ b/src/ngircd/irc-oper.c @@ -55,11 +55,22 @@ Bad_OperPass(CLIENT *Client, char *errtoken, char *errmsg) * Check that the client is an IRC operator allowed to administer this server. */ static bool -Check_Oper(CLIENT * Client) +Check_Oper(CLIENT * Client, REQUEST * Req) { - if (!Client_HasMode(Client, 'o')) + CLIENT *c; + + assert(Client != NULL); + assert(Req != NULL); + + if (Client_Type(Client) == CLIENT_SERVER && Req->prefix) + c = Client_Search(Req->prefix); + else + c = Client; + if (!c) + return false; + if (!Client_HasMode(c, 'o')) return false; - if (!Client_OperByMe(Client) && !Conf_AllowRemoteOper) + if (!Client_OperByMe(c) && !Conf_AllowRemoteOper) return false; /* The client is an local IRC operator, or this server is configured * to trust remote operators. */ @@ -140,7 +151,7 @@ IRC_DIE(CLIENT * Client, REQUEST * Req) assert(Client != NULL); assert(Req != NULL); - if (!Check_Oper(Client)) + if (!Check_Oper(Client, Req)) return No_Privileges(Client, Req); /* Bad number of parameters? */ @@ -180,7 +191,7 @@ IRC_REHASH( CLIENT *Client, REQUEST *Req ) assert( Client != NULL ); assert( Req != NULL ); - if (!Check_Oper(Client)) + if (!Check_Oper(Client, Req)) return No_Privileges(Client, Req); /* Bad number of parameters? */ @@ -201,7 +212,7 @@ IRC_RESTART( CLIENT *Client, REQUEST *Req ) assert( Client != NULL ); assert( Req != NULL ); - if (!Check_Oper(Client)) + if (!Check_Oper(Client, Req)) return No_Privileges(Client, Req); /* Bad number of parameters? */ @@ -222,7 +233,7 @@ IRC_CONNECT(CLIENT * Client, REQUEST * Req) assert(Client != NULL); assert(Req != NULL); - if (!Check_Oper(Client)) + if (!Check_Oper(Client, Req)) return No_Privileges(Client, Req); /* Bad number of parameters? */ @@ -283,7 +294,7 @@ IRC_DISCONNECT(CLIENT * Client, REQUEST * Req) assert(Client != NULL); assert(Req != NULL); - if (!Check_Oper(Client)) + if (!Check_Oper(Client, Req)) return No_Privileges(Client, Req); /* Bad number of parameters? */

1 0

Alexander Barton : Allow forwarding of CONNECT commands.
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: 113bd34878c17f730d8fb878157b0dbba9380326 URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=113bd348… Author: Alexander Barton <alex(a)barton.de> Date: Tue Jul 22 18:38:05 2008 +0200 Allow forwarding of CONNECT commands. The syntax of the CONNECT command now is: - CONNECT <server-id> - CONNECT <server-id> <port> - CONNECT <server-id> <port> <target> - CONNECT <server-id> <port> <host> <my-pwd> <peer-pwd> - CONNECT <server-id> <port> <host> <my-pwd> <peer-pwd> <target> Note: the configuration option "AllowRemoteOper" mus be enabled on the target server to allow forwarding of CONNECT commands. --- src/ngircd/irc-oper.c | 61 ++++++++++++++++++++++++++++++++++++++---------- src/ngircd/parse.c | 2 +- 2 files changed, 49 insertions(+), 14 deletions(-) diff --git a/src/ngircd/irc-oper.c b/src/ngircd/irc-oper.c index 656e959..f67e947 100644 --- a/src/ngircd/irc-oper.c +++ b/src/ngircd/irc-oper.c @@ -230,6 +230,8 @@ IRC_RESTART( CLIENT *Client, REQUEST *Req ) GLOBAL bool IRC_CONNECT(CLIENT * Client, REQUEST * Req) { + CLIENT *from, *target; + assert(Client != NULL); assert(Req != NULL); @@ -237,7 +239,8 @@ IRC_CONNECT(CLIENT * Client, REQUEST * Req) return No_Privileges(Client, Req); /* Bad number of parameters? */ - if ((Req->argc != 1) && (Req->argc != 2) && (Req->argc != 5)) + if (Req->argc != 1 && Req->argc != 2 && Req->argc != 3 && + Req->argc != 5 && Req->argc != 6) return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command); @@ -246,36 +249,68 @@ IRC_CONNECT(CLIENT * Client, REQUEST * Req) return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command); - IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), - "Received CONNECT %s from %s", - Req->argv[0], Client_ID(Client)); + from = Client; + target = Client_ThisServer(); + + if (Req->argc == 3 || Req->argc == 6) { + /* This CONNECT has a target parameter */ + if (Client_Type(Client) == CLIENT_SERVER) + from = Client_Search(Req->prefix); + if (! from) + return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, + Client_ID(Client), Req->prefix); + + target = (Req->argc == 3) ? Client_Search(Req->argv[2]) + : Client_Search(Req->argv[5]); + if (! target || Client_Type(target) != CLIENT_SERVER) + return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG, + Client_ID(from), Req->argv[0]); + } + + if (target != Client_ThisServer()) { + /* Forward CONNECT command ... */ + if (Req->argc == 3) + IRC_WriteStrClientPrefix(target, from, + "CONNECT %s %s :%s", Req->argv[0], + Req->argv[1], Req->argv[2]); + else + IRC_WriteStrClientPrefix(target, from, + "CONNECT %s %s %s %s %s :%s", Req->argv[0], + Req->argv[1], Req->argv[2], Req->argv[3], + Req->argv[4], Req->argv[5]); + return CONNECTED; + } Log(LOG_NOTICE | LOG_snotice, - "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask(Client), + "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask(from), Req->argv[0]); + IRC_SendWallops(Client_ThisServer(), Client_ThisServer(), + "Received CONNECT %s from %s", + Req->argv[0], Client_ID(from)); switch (Req->argc) { case 1: if (!Conf_EnablePassiveServer(Req->argv[0])) - return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG, - Client_ID(Client), + return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG, + Client_ID(from), Req->argv[0]); - break; + break; case 2: + case 3: /* Connect configured server */ if (!Conf_EnableServer (Req->argv[0], (UINT16) atoi(Req->argv[1]))) - return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG, - Client_ID(Client), + return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG, + Client_ID(from), Req->argv[0]); - break; + break; default: /* Add server */ if (!Conf_AddServer (Req->argv[0], (UINT16) atoi(Req->argv[1]), Req->argv[2], Req->argv[3], Req->argv[4])) - return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG, - Client_ID(Client), + return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG, + Client_ID(from), Req->argv[0]); } diff --git a/src/ngircd/parse.c b/src/ngircd/parse.c index 5e3f08d..6d53525 100644 --- a/src/ngircd/parse.c +++ b/src/ngircd/parse.c @@ -59,7 +59,7 @@ static COMMAND My_Commands[] = { { "ADMIN", IRC_ADMIN, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 }, { "AWAY", IRC_AWAY, CLIENT_USER, 0, 0, 0 }, - { "CONNECT", IRC_CONNECT, CLIENT_USER, 0, 0, 0 }, + { "CONNECT", IRC_CONNECT, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 }, { "DIE", IRC_DIE, CLIENT_USER, 0, 0, 0 }, { "DISCONNECT", IRC_DISCONNECT, CLIENT_USER, 0, 0, 0 }, { "ERROR", IRC_ERROR, 0xFFFF, 0, 0, 0 },

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Alexander Barton : New configuration option "AllowRemoteOper"
by alex＠arthur.barton.de 30 Sep '09

30 Sep '09

Module: ngircd.git Branch: master Commit: f78b0c61e967c66386803a3dc77069c66bd664de URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=f78b0c61… Author: Alexander Barton <alex(a)barton.de> Date: Sun Apr 13 16:39:08 2008 +0200 New configuration option "AllowRemoteOper" Added new configuration option "AllowRemoteOper" to control whether remote IRC operators are allowed to use administrative commands that affect this server or not This commit introduces the configuration variable, but actually no function is using it. That's up for the next patches to come ... --- doc/sample-ngircd.conf | 4 ++ man/ngircd.conf.5.tmpl | 5 +++ src/ngircd/conf.c | 94 +++++++++++++++++++++++++++--------------------- src/ngircd/conf.h | 13 ++++--- 4 files changed, 70 insertions(+), 46 deletions(-) diff --git a/doc/sample-ngircd.conf b/doc/sample-ngircd.conf index 0d0061b..b945224 100644 --- a/doc/sample-ngircd.conf +++ b/doc/sample-ngircd.conf @@ -115,6 +115,10 @@ # server? (This is a compatibility hack for ircd-irc2 servers) ;OperServerMode = no + # Are remote IRC operators allowed to control this server, e. g. + # use commands like CONNECT, SQUIT, DIE, ...? + ;AllowRemoteOper = no + # Allow Pre-Defined Channels only (see Section [Channels]) ;PredefChannelsOnly = no diff --git a/man/ngircd.conf.5.tmpl b/man/ngircd.conf.5.tmpl index a725af6..d9e6f46 100644 --- a/man/ngircd.conf.5.tmpl +++ b/man/ngircd.conf.5.tmpl @@ -179,6 +179,11 @@ If \fBOperCanUseMode\fR is enabled, this may lead the compatibility problems wit Servers that run the ircd-irc2 Software. This Option "masks" mode requests by non-chanops as if they were coming from the server. Default: no. .TP +\fBAllowRemoteOper\fR +Are IRC operators connected to remote servers allowed to control this server, +e. g. are they allowed to use administrative commands like CONNECT, DIE, +SQUIT, ... that affect this server? Default: no. +.TP \fBPredefChannelsOnly\fR If enabled, no new channels can be created. Useful if you do not want to have channels other than those defined in diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c index c50f8f9..c728d55 100644 --- a/src/ngircd/conf.c +++ b/src/ngircd/conf.c @@ -263,7 +263,6 @@ Conf_Test( void ) printf( " PidFile = %s\n", Conf_PidFile); printf(" Listen = %s\n", Conf_ListenAddress); fputs(" Ports = ", stdout); - ports_puts(&Conf_ListenPorts); #ifdef SSL_SUPPORT fputs(" SSLPorts = ", stdout); @@ -272,29 +271,34 @@ Conf_Test( void ) config_valid = false; #endif - pwd = getpwuid( Conf_UID ); - if( pwd ) printf( " ServerUID = %s\n", pwd->pw_name ); - else printf( " ServerUID = %ld\n", (long)Conf_UID ); - grp = getgrgid( Conf_GID ); - if( grp ) printf( " ServerGID = %s\n", grp->gr_name ); - else printf( " ServerGID = %ld\n", (long)Conf_GID ); - printf( " PingTimeout = %d\n", Conf_PingTimeout ); - printf( " PongTimeout = %d\n", Conf_PongTimeout ); - printf( " ConnectRetry = %d\n", Conf_ConnectRetry ); - printf( " OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode)); - printf( " OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode)); - printf( " PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly)); - printf( " NoDNS = %s\n", yesno_to_str(Conf_NoDNS)); - printf( " NoIdent = %s\n", yesno_to_str(Conf_NoIdent)); + pwd = getpwuid(Conf_UID); + if (pwd) + printf(" ServerUID = %s\n", pwd->pw_name); + else + printf(" ServerUID = %ld\n", (long)Conf_UID); + grp = getgrgid(Conf_GID); + if (grp) + printf(" ServerGID = %s\n", grp->gr_name); + else + printf(" ServerGID = %ld\n", (long)Conf_GID); + printf(" PingTimeout = %d\n", Conf_PingTimeout); + printf(" PongTimeout = %d\n", Conf_PongTimeout); + printf(" ConnectRetry = %d\n", Conf_ConnectRetry); + printf(" OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode)); + printf(" OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode)); + printf(" AllowRemoteOper = %s\n", yesno_to_str(Conf_AllowRemoteOper)); + printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly)); + printf(" NoDNS = %s\n", yesno_to_str(Conf_NoDNS)); + printf(" NoIdent = %s\n", yesno_to_str(Conf_NoIdent)); #ifdef WANT_IPV6 printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6)); printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4)); #endif - printf( " MaxConnections = %ld\n", Conf_MaxConnections); - printf( " MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP); - printf( " MaxJoins = %d\n", Conf_MaxJoins>0 ? Conf_MaxJoins : -1); - printf( " MaxNickLength = %u\n\n", Conf_MaxNickLength - 1); + printf(" MaxConnections = %ld\n", Conf_MaxConnections); + printf(" MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP); + printf(" MaxJoins = %d\n", Conf_MaxJoins > 0 ? Conf_MaxJoins : -1); + printf(" MaxNickLength = %u\n\n", Conf_MaxNickLength - 1); for( i = 0; i < Conf_Oper_Count; i++ ) { if( ! Conf_Oper[i].name[0] ) continue; @@ -511,47 +515,47 @@ Conf_IsService(int ConfServer, const char *Nick) } /* Conf_IsService */ +/** + * Initialize configuration settings with their default values. + */ static void -Set_Defaults( bool InitServers ) +Set_Defaults(bool InitServers) { - /* Initialize configuration variables with default values. */ - int i; - strcpy( Conf_ServerName, "" ); - snprintf( Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s", PACKAGE_NAME, PACKAGE_VERSION ); - strcpy( Conf_ServerPwd, "" ); - - strcpy( Conf_ServerAdmin1, "" ); - strcpy( Conf_ServerAdmin2, "" ); - strcpy( Conf_ServerAdminMail, "" ); - - strlcpy( Conf_MotdFile, SYSCONFDIR, sizeof( Conf_MotdFile )); - strlcat( Conf_MotdFile, MOTD_FILE, sizeof( Conf_MotdFile )); + strcpy(Conf_ServerName, ""); + snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s", + PACKAGE_NAME, PACKAGE_VERSION); + strcpy(Conf_ServerPwd, ""); - strlcpy( Conf_MotdPhrase, MOTD_PHRASE, sizeof( Conf_MotdPhrase )); + strcpy(Conf_ServerAdmin1, ""); + strcpy(Conf_ServerAdmin2, ""); + strcpy(Conf_ServerAdminMail, ""); - strlcpy( Conf_Chroot, CHROOT_DIR, sizeof( Conf_Chroot )); + strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile)); + strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile)); + strlcpy(Conf_MotdPhrase, MOTD_PHRASE, sizeof(Conf_MotdPhrase)); - strlcpy( Conf_PidFile, PID_FILE, sizeof( Conf_PidFile )); + Conf_UID = Conf_GID = 0; + strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot)); + strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile)); free(Conf_ListenAddress); Conf_ListenAddress = NULL; - Conf_UID = Conf_GID = 0; Conf_PingTimeout = 120; Conf_PongTimeout = 20; - Conf_ConnectRetry = 60; + Conf_NoDNS = false; + Conf_NoIdent = false; Conf_Oper_Count = 0; Conf_Channel_Count = 0; Conf_OperCanMode = false; - Conf_NoDNS = false; - Conf_NoIdent = false; - Conf_PredefChannelsOnly = false; Conf_OperServerMode = false; + Conf_AllowRemoteOper = false; + Conf_PredefChannelsOnly = false; Conf_ConnectIPv4 = true; Conf_ConnectIPv6 = true; @@ -562,7 +566,10 @@ Set_Defaults( bool InitServers ) Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT; /* Initialize server configuration structures */ - if( InitServers ) for( i = 0; i < MAX_SERVERS; Init_Server_Struct( &Conf_Server[i++] )); + if (InitServers) { + for (i = 0; i < MAX_SERVERS; + Init_Server_Struct(&Conf_Server[i++])); + } } /* Set_Defaults */ @@ -974,6 +981,11 @@ Handle_GLOBAL( int Line, char *Var, char *Arg ) Conf_OperServerMode = Check_ArgIsTrue( Arg ); return; } + if(strcasecmp(Var, "AllowRemoteOper") == 0) { + /* Are remote IRC operators allowed to control this server? */ + Conf_AllowRemoteOper = Check_ArgIsTrue(Arg); + return; + } if( strcasecmp( Var, "MaxConnections" ) == 0 ) { /* Maximum number of connections. 0 -> "no limit". */ #ifdef HAVE_ISDIGIT diff --git a/src/ngircd/conf.h b/src/ngircd/conf.h index 9bdecde..2308e4c 100644 --- a/src/ngircd/conf.h +++ b/src/ngircd/conf.h @@ -140,6 +140,14 @@ GLOBAL bool Conf_PredefChannelsOnly; /* Are IRC operators allowed to always use MODE? */ GLOBAL bool Conf_OperCanMode; +/* If an IRC op gives chanop privileges without being a chanop, + * ircd2 will ignore the command. This enables a workaround: + * It masks the command as coming from the server */ +GLOBAL bool Conf_OperServerMode; + +/* Are remote IRC operators allowed to manage this server? */ +GLOBAL bool Conf_AllowRemoteOper; + /* Disable all DNS functions? */ GLOBAL bool Conf_NoDNS; @@ -155,11 +163,6 @@ GLOBAL bool Conf_ConnectIPv6; /* same as above, but for ipv4 hosts, default: yes */ GLOBAL bool Conf_ConnectIPv4; -/* If an IRC op gives chanop privileges without being a chanop, - * ircd2 will ignore the command. This enables a workaround: - * It masks the command as coming from the server */ -GLOBAL bool Conf_OperServerMode; - /* Maximum number of connections to this server */ GLOBAL long Conf_MaxConnections;

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