X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Flists.c;h=cde928f6bf9c0301b260d5fb25b1cf89b2dbfaca;hp=e16cdd7087ad1e3f1e0a23e7853e706cc1b43bc9;hb=03628dbeaf40a9de34b3eb6d5bf6dd34eed8248c;hpb=8adff5922376676c2eeb49de1cbab86cc345b887 diff --git a/src/ngircd/lists.c b/src/ngircd/lists.c index e16cdd70..cde928f6 100644 --- a/src/ngircd/lists.c +++ b/src/ngircd/lists.c @@ -7,21 +7,21 @@ * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * Please read the file COPYING, README and AUTHORS for more information. - * - * Management of IRC lists: ban, invite, ... */ #include "portab.h" -static char UNUSED id[] = "$Id: lists.c,v 1.17 2005/03/19 18:43:49 fw Exp $"; +/** + * @file + * Management of IRC lists: ban, invite, etc. + */ #include "imp.h" #include #include "defines.h" #include "conn.h" -#include "client.h" #include "channel.h" #include "log.h" #include "match.h" @@ -35,330 +35,134 @@ static char UNUSED id[] = "$Id: lists.c,v 1.17 2005/03/19 18:43:49 fw Exp $"; #include "exp.h" #include "lists.h" +#define MASK_LEN (2*CLIENT_HOST_LEN) -#define MASK_LEN 2*CLIENT_HOST_LEN - - -typedef struct _C2C -{ - struct _C2C *next; +struct list_elem { + struct list_elem *next; char mask[MASK_LEN]; - CHANNEL *channel; bool onlyonce; -} C2C; - - -LOCAL C2C *My_Invites, *My_Bans; - +}; -LOCAL C2C *New_C2C PARAMS(( char *Mask, CHANNEL *Chan, bool OnlyOnce )); -LOCAL bool Check_List PARAMS(( C2C **Cl2Chan, CLIENT *Client, CHANNEL *Chan )); -LOCAL bool Already_Registered PARAMS(( C2C *Cl2Chan, char *Mask, CHANNEL *Chan )); - - - -GLOBAL void -Lists_Init( void ) +GLOBAL const char * +Lists_GetMask(const struct list_elem *e) { - /* Modul initialisieren */ + return e->mask; +} - My_Invites = My_Bans = NULL; -} /* Lists_Init */ - -GLOBAL void -Lists_Exit( void ) +GLOBAL struct list_elem* +Lists_GetFirst(const struct list_head *h) { - /* Modul abmelden */ + return h->first; +} - C2C *c2c, *next; - /* Invite-Lists freigeben */ - c2c = My_Invites; - while( c2c ) - { - next = c2c->next; - free( c2c ); - c2c = next; - } - - /* Ban-Lists freigeben */ - c2c = My_Bans; - while( c2c ) - { - next = c2c->next; - free( c2c ); - c2c = next; - } -} /* Lists_Exit */ - - -GLOBAL bool -Lists_CheckInvited( CLIENT *Client, CHANNEL *Chan ) +GLOBAL struct list_elem* +Lists_GetNext(const struct list_elem *e) { - return Check_List( &My_Invites, Client, Chan ); -} /* Lists_CheckInvited */ + return e->next; +} -GLOBAL bool -Lists_IsInviteEntry( char *Mask, CHANNEL *Chan ) +bool +Lists_Add(struct list_head *header, const char *Mask, bool OnlyOnce ) { + struct list_elem *e, *newelem; + + assert( header != NULL ); assert( Mask != NULL ); - assert( Chan != NULL ); - - return Already_Registered( My_Invites, Mask, Chan ); -} /* Lists_IsInviteEntry */ + if (Lists_CheckDupeMask(header, Mask )) return true; -GLOBAL bool -Lists_AddInvited( char *Mask, CHANNEL *Chan, bool OnlyOnce ) -{ - C2C *c2c; + e = Lists_GetFirst(header); - assert( Mask != NULL ); - assert( Chan != NULL ); - - if( Already_Registered( My_Invites, Mask, Chan )) return true; - - c2c = New_C2C( Mask, Chan, OnlyOnce ); - if( ! c2c ) - { - Log( LOG_ERR, "Can't add new invite list entry!" ); + newelem = malloc(sizeof(struct list_elem)); + if( ! newelem ) { + Log( LOG_EMERG, "Can't allocate memory for new Ban/Invite entry!" ); return false; } - /* verketten */ - c2c->next = My_Invites; - My_Invites = c2c; + strlcpy( newelem->mask, Mask, sizeof( newelem->mask )); + newelem->onlyonce = OnlyOnce; + newelem->next = e; + header->first = newelem; - Log( LOG_DEBUG, "Added \"%s\" to invite list for \"%s\".", Mask, Channel_Name( Chan )); return true; -} /* Lists_AddInvited */ - - -GLOBAL void -Lists_DelInvited( char *Mask, CHANNEL *Chan ) -{ - C2C *c2c, *last, *next; - - assert( Mask != NULL ); - assert( Chan != NULL ); - - last = NULL; - c2c = My_Invites; - while( c2c ) - { - next = c2c->next; - if(( c2c->channel == Chan ) && ( strcasecmp( c2c->mask, Mask ) == 0 )) - { - /* dieser Eintrag muss geloescht werden */ - Log( LOG_DEBUG, "Deleted \"%s\" from invite list for \"%s\"." , c2c->mask, Channel_Name( Chan )); - if( last ) last->next = next; - else My_Invites = next; - free( c2c ); - } - else last = c2c; - c2c = next; - } -} /* Lists_DelInvited */ - - -GLOBAL bool -Lists_ShowInvites( CLIENT *Client, CHANNEL *Channel ) -{ - C2C *c2c; - - assert( Client != NULL ); - assert( Channel != NULL ); - - c2c = My_Invites; - while( c2c ) - { - if( c2c->channel == Channel ) - { - /* Eintrag fuer Channel gefunden; ausgeben: */ - if( ! IRC_WriteStrClient( Client, RPL_INVITELIST_MSG, Client_ID( Client ), Channel_Name( Channel ), c2c->mask )) return DISCONNECTED; - } - c2c = c2c->next; - } - return IRC_WriteStrClient( Client, RPL_ENDOFINVITELIST_MSG, Client_ID( Client ), Channel_Name( Channel )); -} /* Lists_ShowInvites */ - - -GLOBAL bool -Lists_SendInvites( CLIENT *Client ) -{ - C2C *c2c; - - assert( Client != NULL ); - - c2c = My_Invites; - while( c2c ) - { - if( ! IRC_WriteStrClient( Client, "MODE %s +I %s", Channel_Name( c2c->channel ), c2c->mask )) return DISCONNECTED; - c2c = c2c->next; - } - return CONNECTED; -} /* Lists_SendInvites */ - - -GLOBAL bool -Lists_SendBans( CLIENT *Client ) -{ - C2C *c2c; - - assert( Client != NULL ); - - c2c = My_Bans; - while( c2c ) - { - if( ! IRC_WriteStrClient( Client, "MODE %s +b %s", Channel_Name( c2c->channel ), c2c->mask )) return DISCONNECTED; - c2c = c2c->next; - } - return CONNECTED; -} /* Lists_SendBans */ +} -GLOBAL bool -Lists_CheckBanned( CLIENT *Client, CHANNEL *Chan ) +static void +Lists_Unlink(struct list_head *header, struct list_elem *p, struct list_elem *victim) { - return Check_List( &My_Bans, Client, Chan ); -} /* Lists_CheckBanned */ + assert(victim != NULL); + assert(header != NULL); + if (p) p->next = victim->next; + else header->first = victim->next; -GLOBAL bool -Lists_IsBanEntry( char *Mask, CHANNEL *Chan ) -{ - assert( Mask != NULL ); - assert( Chan != NULL ); - - return Already_Registered( My_Bans, Mask, Chan ); -} /* Lists_IsBanEntry */ - - -GLOBAL bool -Lists_AddBanned( char *Mask, CHANNEL *Chan ) -{ - C2C *c2c; - - assert( Mask != NULL ); - assert( Chan != NULL ); - - if( Already_Registered( My_Bans, Mask, Chan )) return true; - - c2c = New_C2C( Mask, Chan, false ); - if( ! c2c ) - { - Log( LOG_ERR, "Can't add new ban list entry!" ); - return false; - } - - /* verketten */ - c2c->next = My_Bans; - My_Bans = c2c; - - Log( LOG_DEBUG, "Added \"%s\" to ban list for \"%s\".", Mask, Channel_Name( Chan )); - return true; -} /* Lists_AddBanned */ + free(victim); +} GLOBAL void -Lists_DelBanned( char *Mask, CHANNEL *Chan ) +Lists_Del(struct list_head *header, const char *Mask) { - C2C *c2c, *last, *next; + struct list_elem *e, *last, *victim; + assert( header != NULL ); assert( Mask != NULL ); - assert( Chan != NULL ); last = NULL; - c2c = My_Bans; - while( c2c ) - { - next = c2c->next; - if(( c2c->channel == Chan ) && ( strcasecmp( c2c->mask, Mask ) == 0 )) - { - /* dieser Eintrag muss geloescht werden */ - Log( LOG_DEBUG, "Deleted \"%s\" from ban list for \"%s\"." , c2c->mask, Channel_Name( Chan )); - if( last ) last->next = next; - else My_Bans = next; - free( c2c ); + e = Lists_GetFirst(header); + while( e ) { + if(strcasecmp( e->mask, Mask ) == 0 ) { + LogDebug("Deleted \"%s\" from list", e->mask); + victim = e; + e = victim->next; + Lists_Unlink(header, last, victim); + continue; } - else last = c2c; - c2c = next; + last = e; + e = e->next; } -} /* Lists_DelBanned */ +} -GLOBAL bool -Lists_ShowBans( CLIENT *Client, CHANNEL *Channel ) +GLOBAL void +Lists_Free(struct list_head *head) { - C2C *c2c; + struct list_elem *e, *victim; - assert( Client != NULL ); - assert( Channel != NULL ); + assert(head != NULL); - c2c = My_Bans; - while( c2c ) - { - if( c2c->channel == Channel ) - { - /* Eintrag fuer Channel gefunden; ausgeben: */ - if( ! IRC_WriteStrClient( Client, RPL_BANLIST_MSG, Client_ID( Client ), Channel_Name( Channel ), c2c->mask )) return DISCONNECTED; - } - c2c = c2c->next; + e = head->first; + head->first = NULL; + while (e) { + LogDebug("Deleted \"%s\" from invite list" , e->mask); + victim = e; + e = e->next; + free( victim ); } - return IRC_WriteStrClient( Client, RPL_ENDOFBANLIST_MSG, Client_ID( Client ), Channel_Name( Channel )); -} /* Lists_ShowBans */ +} -GLOBAL void -Lists_DeleteChannel( CHANNEL *Chan ) +GLOBAL bool +Lists_CheckDupeMask(const struct list_head *h, const char *Mask ) { - /* Channel wurde geloescht, Invite- und Ban-Lists aufraeumen */ - - C2C *c2c, *last, *next; - - /* Invite-List */ - last = NULL; - c2c = My_Invites; - while( c2c ) - { - next = c2c->next; - if( c2c->channel == Chan ) - { - /* dieser Eintrag muss geloescht werden */ - Log( LOG_DEBUG, "Deleted \"%s\" from invite list for \"%s\"." , c2c->mask, Channel_Name( Chan )); - if( last ) last->next = next; - else My_Invites = next; - free( c2c ); - } - else last = c2c; - c2c = next; - } - - /* Ban-List */ - last = NULL; - c2c = My_Bans; - while( c2c ) - { - next = c2c->next; - if( c2c->channel == Chan ) - { - /* dieser Eintrag muss geloescht werden */ - Log( LOG_DEBUG, "Deleted \"%s\" from ban list for \"%s\"." , c2c->mask, Channel_Name( Chan )); - if( last ) last->next = next; - else My_Bans = next; - free( c2c ); - } - else last = c2c; - c2c = next; + struct list_elem *e; + e = h->first; + while (e) { + if (strcasecmp( e->mask, Mask ) == 0 ) + return true; + e = e->next; } -} /* Lists_DeleteChannel */ + return false; +} -GLOBAL char * -Lists_MakeMask( char *Pattern ) +GLOBAL const char * +Lists_MakeMask(const char *Pattern) { /* This function generats a valid IRC mask of "any" string. This * mask is only valid until the next call to Lists_MakeMask(), @@ -407,82 +211,30 @@ Lists_MakeMask( char *Pattern ) } /* Lists_MakeMask */ -LOCAL C2C * -New_C2C( char *Mask, CHANNEL *Chan, bool OnlyOnce ) -{ - C2C *c2c; - - assert( Mask != NULL ); - assert( Chan != NULL ); - - /* Speicher fuer Eintrag anfordern */ - c2c = (C2C *)malloc( sizeof( C2C )); - if( ! c2c ) - { - Log( LOG_EMERG, "Can't allocate memory! [New_C2C]" ); - return NULL; - } - - strlcpy( c2c->mask, Mask, sizeof( c2c->mask )); - c2c->channel = Chan; - c2c->onlyonce = OnlyOnce; - - return c2c; -} /* New_C2C */ - -LOCAL bool -Check_List( C2C **Cl2Chan, CLIENT *Client, CHANNEL *Chan ) +bool +Lists_Check( struct list_head *header, CLIENT *Client) { - C2C *c2c, *last; + struct list_elem *e, *last; - assert( Cl2Chan != NULL ); - assert( Client != NULL ); - assert( Chan != NULL ); + assert( header != NULL ); - c2c = *Cl2Chan; + e = header->first; last = NULL; - while( c2c ) - { - if( c2c->channel == Chan ) - { - /* Ok, richtiger Channel. Passt die Maske? */ - if( Match( c2c->mask, Client_Mask( Client ))) - { - /* Treffer! */ - if( c2c->onlyonce ) - { - /* Eintrag loeschen */ - Log( LOG_DEBUG, "Deleted \"%s\" from %s list for \"%s\".", c2c->mask, *Cl2Chan == My_Invites ? "invite" : "ban", Channel_Name( Chan )); - if( last ) last->next = c2c->next; - else *Cl2Chan = c2c->next; - free( c2c ); - } - return true; + while( e ) { + if( Match( e->mask, Client_Mask( Client ))) { + if( e->onlyonce ) { /* delete entry */ + LogDebug("Deleted \"%s\" from list", e->mask); + Lists_Unlink(header, last, e); } + return true; } - last = c2c; - c2c = c2c->next; + last = e; + e = e->next; } return false; -} /* Check_List */ - - -LOCAL bool -Already_Registered( C2C *List, char *Mask, CHANNEL *Chan ) -{ - C2C *c2c; - - c2c = List; - while( c2c ) - { - if(( c2c->channel == Chan ) && ( strcasecmp( c2c->mask, Mask ) == 0 )) return true; - c2c = c2c->next; - } - return false; -} /* Already_Registered */ - +} /* -eof- */