/**************************************************************************** * Eldhamud Codebase V2.2 * * ------------------------------------------------------------------------ * * EldhaMUD code (C) 2003-2008 by Robert Powell (Tommi) * * ------------------------------------------------------------------------ * * Original SMAUG 1.4a written by Thoric (Derek Snider) with Altrag, * * Blodkai, Haus, Narn, Scryn, Swordbearer, Tricops, Gorog, Rennard, * * Grishnakh, Fireblade, and Nivek. * * * * Original MERC 2.1 code by Hatchet, Furey, and Kahn. * * * * Original DikuMUD code by: Hans Staerfeldt, Katja Nyboe, Tom Madsen, * * Michael Seifert, and Sebastian Hammer. * * ------------------------------------------------------------------------ * * Ban module by Shaddai * ****************************************************************************/ #include <string.h> #include <ctype.h> #include <stdio.h> #include <time.h> #include "./Headers/mud.h" /* Local functions */ void fread_ban args( ( FILE * fp, int type ) ); bool check_expire args( ( BAN_DATA * ban ) ); void dispose_ban args( ( BAN_DATA * ban, int type ) ); void free_ban args( ( BAN_DATA * pban ) ); /* Global Variables */ BAN_DATA *first_ban; BAN_DATA *last_ban; /* * Load all those nasty bans up :) * Shaddai */ void load_banlist( void ) { char buf[MAX_STRING_LENGTH]; char *word; FILE *fp; bool fMatch = FALSE; if( !( fp = fopen( SYSTEM_DIR BAN_LIST, "r" ) ) ) { bug( "Save_banlist: Cannot open " BAN_LIST, 0 ); perror( BAN_LIST ); return; } for( ;; ) { word = feof( fp ) ? "END" : fread_word( fp ); fMatch = FALSE; switch ( UPPER( word[0] ) ) { case 'E': if( !str_cmp( word, "END" ) ) /*File should always contain END */ { fclose( fp ); log_string( "Done." ); return; } case 'S': if( !str_cmp( word, "SITE" ) ) { fread_ban( fp, BAN_SITE ); fMatch = TRUE; } break; } if( !fMatch ) { sprintf( buf, "Load_banlist: no match: %s", word ); bug( buf, 0 ); } /* End of switch statement */ } /* End of for loop */ } /* * Load up one Class or one race ban structure. */ void fread_ban( FILE * fp, int type ) { BAN_DATA *pban; int i = 0; CREATE( pban, BAN_DATA, 1 ); pban->name = fread_string_nohash( fp ); pban->level = fread_number( fp ); pban->duration = fread_number( fp ); pban->unban_date = fread_number( fp ); if( type == BAN_SITE ) { /* Sites have 2 extra numbers written out */ pban->prefix = fread_number( fp ); pban->suffix = fread_number( fp ); } pban->warn = fread_number( fp ); pban->ban_by = fread_string_nohash( fp ); pban->ban_time = fread_string_nohash( fp ); pban->note = fread_string( fp ); /* * Need to lookup the Class or race number if it is of that type */ if( type == BAN_SITE ) for( i = 0; i < strlen( pban->name ); i++ ) { if( pban->name[i] == '@' ) { char *temp; char *temp2; temp = str_dup( pban->name ); temp[i] = STRING_NULL; temp2 = &pban->name[i + 1]; DISPOSE( pban->name ); pban->name = str_dup( temp2 ); DISPOSE( temp ); break; } } if( type == BAN_SITE ) LINK( pban, first_ban, last_ban, next, prev ); else /* Bad type throw out the ban structure */ { bug( "Fread_ban: Bad type %d", type ); free_ban( pban ); } return; } /* * Saves all bans, for sites, Classes and races. * Shaddai */ void save_banlist( void ) { BAN_DATA *pban; FILE *fp; fclose( fpReserve ); if( !( fp = fopen( SYSTEM_DIR BAN_LIST, "w" ) ) ) { bug( "Save_banlist: Cannot open " BAN_LIST, 0 ); perror( BAN_LIST ); fpReserve = fopen( NULL_FILE, "r" ); return; } /* * Print out all the site bans */ for( pban = first_ban; pban; pban = pban->next ) { fprintf( fp, "SITE\n" ); fprintf( fp, "%s~\n", pban->name ); fprintf( fp, "%d %d %d %d %d %d\n", pban->level, pban->duration, pban->unban_date, pban->prefix, pban->suffix, pban->warn ); fprintf( fp, "%s~\n%s~\n%s~\n", pban->ban_by, pban->ban_time, pban->note ); } fprintf( fp, "END\n" ); /* File must have an END even if empty */ fclose( fp ); fpReserve = fopen( NULL_FILE, "r" ); return; } /* * The main command for ban, lots of arguments so be carefull what you * change here. Shaddai */ void do_ban( CHAR_DATA * ch, char *argument ) { char arg1[MAX_INPUT_LENGTH]; char arg2[MAX_INPUT_LENGTH]; char arg3[MAX_INPUT_LENGTH]; char arg4[MAX_INPUT_LENGTH]; char *temp; BAN_DATA *pban; int value = 0, btime; if( IS_NPC( ch ) ) /* Don't want mobs banning sites ;) */ { send_to_char( "Monsters are too dumb to do that!\r\n", ch ); return; } if( !ch->desc ) /* No desc means no go :) */ { bug( "do_ban: no descriptor", 0 ); return; } set_char_color( AT_IMMORT, ch ); argument = one_argument( argument, arg1 ); argument = one_argument( argument, arg2 ); argument = one_argument( argument, arg3 ); argument = one_argument( argument, arg4 ); /* * Do we have a time duration for the ban? */ if( arg4[0] != STRING_NULL && is_number( arg4 ) ) btime = atoi( arg4 ); else btime = -1; /* * -1 is default, but no reason the time should be greater than 1000 * * or less than 1, after all if it is greater than 1000 you are talking * * around 3 years. */ if( btime != -1 && ( btime < 1 || btime > 1000 ) ) { send_to_char( "Time value is -1 (forever) or from 1 to 1000.\r\n", ch ); return; } /* * Need to be carefull with sub-states or everything will get messed up. */ switch ( ch->substate ) { default: bug( "do_ban: illegal substate", 0 ); return; case SUB_RESTRICTED: send_to_char( "You cannot use this command from within another command.\r\n", ch ); return; case SUB_NONE: ch->tempnum = SUB_NONE; break; /* * Returning to end the editing of the note */ case SUB_BAN_DESC: add_ban( ch, "", "", 0, 0 ); return; } if( arg1[0] == STRING_NULL ) goto syntax_message; /* * If no args are sent after the Class/site/race, show the current banned * * items. Shaddai */ if( !str_cmp( arg1, "site" ) ) { if( arg2[0] == STRING_NULL ) { show_bans( ch, BAN_SITE ); return; } /* * Are they high enough to ban sites? */ if( get_trust( ch ) < sysdata.ban_site_level ) { ch_printf( ch, "You must be %d level to add bans.\r\n", sysdata.ban_site_level ); return; } if( arg3[0] == STRING_NULL ) goto syntax_message; if( !add_ban( ch, arg2, arg3, btime, BAN_SITE ) ) return; } else if( !str_cmp( arg1, "show" ) ) { /* * This will show the note attached to a ban */ if( arg2[0] == STRING_NULL || arg3[0] == STRING_NULL ) goto syntax_message; temp = arg3; if( arg3[0] == '#' ) /* Use #1 to show the first ban */ { temp = arg3; temp++; if( !is_number( temp ) ) { send_to_char( "Which ban # to show?\r\n", ch ); return; } value = atoi( temp ); if( value < 1 ) { send_to_char( "You must specify a number greater than 0.\r\n", ch ); return; } } if( !str_cmp( arg2, "site" ) ) { pban = first_ban; if( temp[0] == '*' ) temp++; if( temp[strlen( temp ) - 1] == '*' ) temp[strlen( temp ) - 1] = STRING_NULL; } else goto syntax_message; for( ; pban; pban = pban->next ) if( value == 1 || !str_cmp( pban->name, temp ) ) break; else if( value > 1 ) value--; if( !pban ) { send_to_char( "No such ban.\r\n", ch ); return; } ch_printf( ch, "Banned by: %s\r\n", pban->ban_by ); send_to_char( pban->note, ch ); return; } else goto syntax_message; return; /* Catch all syntax message, make sure that return stays above this or you * will get the syntax message everytime you issue the command even if it * is a valid one. Shaddai */ syntax_message: send_to_char( "Syntax: ban site <address> <type> <duration>\r\n", ch ); send_to_char( "Syntax: ban show <field> <number>\r\n", ch ); send_to_char( "Ban site lists current bans.\r\n", ch ); send_to_char( "Duration is the length of the ban in days.\r\n", ch ); send_to_char( "Type can be: newbie, mortal, all, warn or level.\r\n", ch ); send_to_char( "In ban show, the <field> is site, race or Class,", ch ); send_to_char( " and the <number> is the ban number.\r\n", ch ); return; } /* * Allow a already banned site/Class or race. Shaddai */ void do_allow( CHAR_DATA * ch, char *argument ) { BAN_DATA *pban; char arg1[MAX_INPUT_LENGTH]; char arg2[MAX_INPUT_LENGTH]; char *temp = NULL; bool fMatch = FALSE; int value = 0; if( IS_NPC( ch ) ) /* No mobs allowing sites */ { send_to_char( "Monsters are too dumb to do that!\r\n", ch ); return; } if( !ch->desc ) /* No desc is a bad thing */ { bug( "do_allow: no descriptor", 0 ); return; } argument = one_argument( argument, arg1 ); argument = one_argument( argument, arg2 ); set_char_color( AT_IMMORT, ch ); if( arg1[0] == STRING_NULL || arg2[0] == STRING_NULL ) goto syntax_message; if( arg2[0] == '#' ) /* Use #1 to ban the first ban in the list specified */ { temp = arg2; temp++; if( !is_number( temp ) ) { send_to_char( "Which ban # to allow?\r\n", ch ); return; } value = atoi( temp ); } if( !str_cmp( arg1, "site" ) ) { if( !value ) { if( strlen( arg2 ) < 2 ) { send_to_char( "You have to have at least 2 chars for a ban\r\n", ch ); send_to_char( "If you are trying to allow by number use #\r\n", ch ); return; } temp = arg2; if( arg2[0] == '*' ) temp++; if( temp[strlen( temp ) - 1] == '*' ) temp[strlen( temp ) - 1] = STRING_NULL; } for( pban = first_ban; pban; pban = pban->next ) { /* * Need to make sure we dispose properly of the ban_data * * Or memory problems will be created. * * Shaddai */ if( value == 1 || !str_cmp( pban->name, temp ) ) { fMatch = TRUE; dispose_ban( pban, BAN_SITE ); break; } if( value > 1 ) value--; } } else goto syntax_message; if( fMatch ) { save_banlist( ); ch_printf( ch, "%s is now allowed.\r\n", arg2 ); } else ch_printf( ch, "%s was not banned.\r\n", arg2 ); return; /* * Make sure that return above stays in! */ syntax_message: send_to_char( "Syntax: allow site <address>\r\n", ch ); return; } /* * Sets the warn flag on bans. */ void do_warn( CHAR_DATA * ch, char *argument ) { char arg1[MAX_STRING_LENGTH]; char arg2[MAX_STRING_LENGTH]; char *name; int count = -1, type; BAN_DATA *pban, *start, *end; /* * Don't want mobs or link-deads doing this. */ if( IS_NPC( ch ) ) { send_to_char( "Monsters are too dumb to do that!\r\n", ch ); return; } if( !ch->desc ) { bug( "do_warn: no descriptor", 0 ); return; } argument = one_argument( argument, arg1 ); argument = one_argument( argument, arg2 ); if( arg1[0] == STRING_NULL || arg2[0] == STRING_NULL ) goto syntax_message; if( arg2[0] == '#' ) { name = arg2; name++; if( !is_number( name ) ) goto syntax_message; count = atoi( name ); if( count < 1 ) { send_to_char( "The number has to be above 0.\r\n", ch ); return; } } /* * We simply set up which ban list we will be looking at here. */ if( !str_cmp( arg1, "site" ) ) type = BAN_SITE; else type = -1; if( type == BAN_SITE ) { pban = first_ban; start = first_ban; end = last_ban; } else goto syntax_message; for( ; pban && count != 0; count--, pban = pban->next ) if( count == -1 && !str_cmp( pban->name, arg2 ) ) break; if( pban ) { /* * If it is just a warn delete it, otherwise remove the warn flag. */ if( pban->warn ) { if( pban->level == BAN_WARN ) { dispose_ban( pban, type ); send_to_char( "Warn has been deleted.\r\n", ch ); } else { pban->warn = FALSE; send_to_char( "Warn turned off.\r\n", ch ); } } else { pban->warn = TRUE; send_to_char( "Warn turned on.\r\n", ch ); } save_banlist( ); } else { ch_printf( ch, "%s was not found in the ban list.\r\n", arg2 ); return; } return; /* * The above return has to stay in! */ syntax_message: send_to_char( "Syntax: warn site <field>\r\n", ch ); send_to_char( "Field is either #(ban_number) or the site/Class/race.\r\n", ch ); send_to_char( "Example: warn Class #1\r\n", ch ); return; } /* * This actually puts the new ban into the proper linked list and * initializes its data. Shaddai */ int add_ban( CHAR_DATA * ch, char *arg1, char *arg2, int btime, int type ) { char arg[MAX_STRING_LENGTH]; char buf[MAX_STRING_LENGTH]; BAN_DATA *pban, *temp; struct tm *tms; char *name; int level; /* * Should we check to see if they have dropped link sometime in between * * writing the note and now? Not sure but for right now we won't since * * do_ban checks for that. Shaddai */ switch ( ch->substate ) { default: bug( "%s", "add_ban: illegal substate" ); return 0; case SUB_RESTRICTED: send_to_char( "You cannot use this command from within another command.\r\n", ch ); return 0; case SUB_NONE: { one_argument( arg1, arg ); smash_tilde( arg ); /* Make sure the immortals don't put a ~ in it. */ if( arg[0] == STRING_NULL || arg2[0] == STRING_NULL ) return 0; if( is_number( arg2 ) ) { level = atoi( arg2 ); if( level < 0 || level > LEVEL_SUPREME ) { ch_printf( ch, "Level range is from 0 to %d.\r\n", LEVEL_SUPREME ); return 0; } } else if( !str_cmp( arg2, "all" ) ) level = LEVEL_SUPREME; else if( !str_cmp( arg2, "newbie" ) ) level = 1; else if( !str_cmp( arg2, "mortal" ) ) level = LEVEL_AVATAR; else if( !str_cmp( arg2, "warn" ) ) level = BAN_WARN; else { bug( "%s", "Bad string for flag in add_ban." ); return 0; } switch ( type ) { case BAN_SITE: { bool prefix = FALSE, suffix = FALSE, user_name = FALSE; char *temp_host = NULL, *temp_user = NULL; int x; for( x = 0; x < strlen( arg ); x++ ) { if( arg[x] == '@' ) { user_name = TRUE; temp_host = str_dup( &arg[x + 1] ); arg[x] = STRING_NULL; temp_user = str_dup( arg ); break; } } if( !user_name ) name = arg; else name = temp_host; if( !name ) /* Double check to make sure name isnt null */ { /* * Free this stuff if its there */ if( user_name ) { DISPOSE( temp_host ); DISPOSE( temp_user ); } send_to_char( "Name was null.\r\n", ch ); return 0; } if( name[0] == '*' ) { prefix = TRUE; name++; } if( name[strlen( name ) - 1] == '*' ) { suffix = TRUE; name[strlen( name ) - 1] = STRING_NULL; } for( temp = first_ban; temp; temp = temp->next ) { if( !str_cmp( temp->name, name ) ) { if( temp->level == level && ( prefix && temp->prefix ) && ( suffix && temp->suffix ) ) { /* * Free this stuff if its there */ if( user_name ) { DISPOSE( temp_host ); DISPOSE( temp_user ); } send_to_char( "That entry already exists.\r\n", ch ); return 0; } else { temp->suffix = suffix; temp->prefix = prefix; if( temp->level == BAN_WARN ) temp->warn = TRUE; temp->level = level; sprintf( buf, "%24.24s", ctime( ¤t_time ) ); temp->ban_time = str_dup( buf ); if( btime > 0 ) { temp->duration = btime; tms = localtime( ¤t_time ); tms->tm_mday += btime; temp->unban_date = mktime( tms ); } else { temp->duration = -1; temp->unban_date = -1; } if( temp->ban_by ) DISPOSE( temp->ban_by ); if( user_name ) { DISPOSE( temp_host ); DISPOSE( temp_user ); } temp->ban_by = str_dup( ch->name ); send_to_char( "Updated entry.\r\n", ch ); return 1; } } } CREATE( pban, BAN_DATA, 1 ); pban->ban_by = str_dup( ch->name ); pban->suffix = suffix; pban->prefix = prefix; pban->name = str_dup( name ); pban->level = level; if( user_name ) { DISPOSE( temp_host ); DISPOSE( temp_user ); } LINK( pban, first_ban, last_ban, next, prev ); break; } default: bug( "Bad type in add_ban: %d.", type ); return 0; } sprintf( buf, "%24.24s", ctime( ¤t_time ) ); pban->ban_time = str_dup( buf ); if( btime > 0 ) { pban->duration = btime; tms = localtime( ¤t_time ); tms->tm_mday += btime; pban->unban_date = mktime( tms ); } else { pban->duration = -1; pban->unban_date = -1; } if( pban->level == BAN_WARN ) pban->warn = TRUE; ch->substate = SUB_BAN_DESC; ch->dest_buf = pban; if( !pban->note ) pban->note = STRALLOC( "" );; start_editing( ch, pban->note ); save_banlist( ); return 1; } case SUB_BAN_DESC: pban = ( BAN_DATA * ) ch->dest_buf; if( !pban ) { bug( "%s", "do_ban: sub_ban_desc: NULL ch->dest_buf" ); ch->substate = SUB_NONE; return 0; } if( pban->note ) STRFREE( pban->note ); pban->note = copy_buffer( ch ); stop_editing( ch ); ch->substate = ch->tempnum; save_banlist( ); if( pban->duration > 0 ) { ch_printf( ch, "%s banned for %d days.\r\n", pban->name, pban->duration ); } else { ch_printf( ch, "%s banned forever.\r\n", pban->name ); } return 1; } return 1; } /* * Print the bans out to the screen. Shaddai */ void show_bans( CHAR_DATA * ch, int type ) { BAN_DATA *pban; int bnum; set_pager_color( AT_IMMORT, ch ); switch ( type ) { case BAN_SITE: send_to_pager( "Banned sites:\r\n", ch ); send_to_pager( "[ #] Warn (Lv) Time By For Site\r\n", ch ); send_to_pager( "---- ---- ---- ------------------------ --------------- ---- ---------------\r\n", ch ); pban = first_ban; set_pager_color( AT_PLAIN, ch ); for( bnum = 1; pban; pban = pban->next, bnum++ ) { pager_printf( ch, "[%2d] %-4s (%2d) %-24s %-15s %4d %c%s%c\r\n", bnum, ( pban->warn ) ? "YES" : "no", pban->level, pban->ban_time, pban->ban_by, pban->duration, ( pban->prefix ) ? '*' : ' ', pban->name, ( pban->suffix ) ? '*' : ' ' ); } return; default: bug( "Bad type in show_bans: %d", type ); return; } send_to_pager( "---- ---- ---- ------------------------ --------------- ---- ---------------\r\n", ch ); set_pager_color( AT_PLAIN, ch ); for( bnum = 1; pban; pban = pban->next, bnum++ ) pager_printf( ch, "[%2d] %-4s (%2d) %-24s %-15s %4d %s\r\n", bnum, ( pban->warn ) ? "YES" : "no", pban->level, pban->ban_time, pban->ban_by, pban->duration, pban->name ); return; } /* * Check for totally banned sites. Need this because we don't have a * char struct yet. Shaddai */ bool check_total_bans( DESCRIPTOR_DATA * d ) { BAN_DATA *pban; char new_host[MAX_STRING_LENGTH]; int i; for( i = 0; i < ( int )strlen( d->host ); i++ ) new_host[i] = LOWER( d->host[i] ); new_host[i] = STRING_NULL; for( pban = first_ban; pban; pban = pban->next ) { if( pban->level != LEVEL_SUPREME ) continue; if( pban->prefix && pban->suffix && strstr( pban->name, new_host ) ) { if( check_expire( pban ) ) { dispose_ban( pban, BAN_SITE ); save_banlist( ); return FALSE; } else return TRUE; } /* * Bug of switched checks noticed by Cronel */ if( pban->suffix && !str_prefix( pban->name, new_host ) ) { if( check_expire( pban ) ) { dispose_ban( pban, BAN_SITE ); save_banlist( ); return FALSE; } else return TRUE; } if( pban->prefix && !str_suffix( pban->name, new_host ) ) { if( check_expire( pban ) ) { dispose_ban( pban, BAN_SITE ); save_banlist( ); return FALSE; } else return TRUE; } if( !str_cmp( pban->name, new_host ) ) { if( check_expire( pban ) ) { dispose_ban( pban, BAN_SITE ); save_banlist( ); return FALSE; } else return TRUE; } } return FALSE; } /* * The workhose, checks for bans on sites/Classes and races. Shaddai */ bool check_bans( CHAR_DATA * ch, int type ) { char buf[MAX_STRING_LENGTH]; BAN_DATA *pban; char new_host[MAX_STRING_LENGTH]; int i; bool fMatch = FALSE; switch ( type ) { case BAN_SITE: pban = first_ban; for( i = 0; i < ( int )( strlen( ch->desc->host ) ); i++ ) new_host[i] = LOWER( ch->desc->host[i] ); new_host[i] = STRING_NULL; break; default: bug( "Ban type in check_bans: %d.", type ); return FALSE; } for( ; pban; pban = pban->next ) { if( type == BAN_SITE ) { if( pban->prefix && pban->suffix && strstr( pban->name, new_host ) ) fMatch = TRUE; else if( pban->prefix && !str_suffix( pban->name, new_host ) ) fMatch = TRUE; else if( pban->suffix && !str_prefix( pban->name, new_host ) ) fMatch = TRUE; else if( !str_cmp( pban->name, new_host ) ) fMatch = TRUE; if( fMatch ) { if( check_expire( pban ) ) { dispose_ban( pban, BAN_SITE ); save_banlist( ); return FALSE; } if( ch->level > pban->level ) { if( pban->warn ) { sprintf( buf, "%s logging in from site %s.", ch->name, ch->desc->host ); log_string_plus( buf, LOG_WARN, sysdata.log_level ); } return FALSE; } else return TRUE; } } } return FALSE; } bool check_expire( BAN_DATA * pban ) { char buf[MAX_STRING_LENGTH]; if( pban->unban_date < 0 ) return FALSE; if( pban->unban_date <= current_time ) { sprintf( buf, "%s ban has expired.", pban->name ); log_string_plus( buf, LOG_WARN, sysdata.log_level ); return TRUE; } return FALSE; } void dispose_ban( BAN_DATA * pban, int type ) { if( !pban ) return; if( type != BAN_SITE ) { bug( "Dispose_ban: Unknown Ban Type %d.", type ); return; } switch ( type ) { case BAN_SITE: UNLINK( pban, first_ban, last_ban, next, prev ); break; } free_ban( pban ); return; } void free_ban( BAN_DATA * pban ) { if( pban->name ) DISPOSE( pban->name ); if( pban->ban_time ) DISPOSE( pban->ban_time ); if( pban->note ) STRFREE( pban->note ); if( pban->ban_by ) DISPOSE( pban->ban_by ); if( pban->ban_time ) DISPOSE( pban->ban_time ); DISPOSE( pban ); }