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/* |
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* modules.c -- handles: |
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* support for modules in eggdrop |
4 |
* |
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* by Darrin Smith (beldin@light.iinet.net.au) |
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* |
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* $Id: modules.c,v 1.3.2.2 2010/11/17 13:58:37 pseudo Exp $ |
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*/ |
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/* |
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* Copyright (C) 1997 Robey Pointer |
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* Copyright (C) 1999 - 2010 Eggheads Development Team |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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#include <ctype.h> |
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#include "main.h" |
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#include "modules.h" |
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#include "tandem.h" |
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#include "md5/md5.h" |
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#include "users.h" |
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|
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#ifndef STATIC |
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# ifdef MOD_USE_SHL |
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# include <dl.h> |
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# endif |
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# ifdef MOD_USE_DYLD |
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# include <mach-o/dyld.h> |
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# define DYLDFLAGS NSLINKMODULE_OPTION_BINDNOW|NSLINKMODULE_OPTION_PRIVATE|NSLINKMODULE_OPTION_RETURN_ON_ERROR |
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# endif |
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# ifdef MOD_USE_RLD |
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# ifdef HAVE_MACH_O_RLD_H |
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# include <mach-o/rld.h> |
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# else |
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# ifdef HAVE_RLD_H |
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# indluce <rld.h> |
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# endif |
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# endif |
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# endif |
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# ifdef MOD_USE_LOADER |
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# include <loader.h> |
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# endif |
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|
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# ifdef MOD_USE_DL |
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# ifdef DLOPEN_1 |
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char *dlerror(); |
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void *dlopen(const char *, int); |
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int dlclose(void *); |
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void *dlsym(void *, char *); |
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# define DLFLAGS 1 |
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# else /* DLOPEN_1 */ |
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# include <dlfcn.h> |
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|
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# ifndef RTLD_GLOBAL |
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# define RTLD_GLOBAL 0 |
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# endif |
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# ifndef RTLD_NOW |
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# define RTLD_NOW 1 |
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# endif |
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# ifdef RTLD_LAZY |
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# define DLFLAGS RTLD_LAZY|RTLD_GLOBAL |
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# else |
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# define DLFLAGS RTLD_NOW|RTLD_GLOBAL |
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# endif |
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# endif /* DLOPEN_1 */ |
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# endif /* MOD_USE_DL */ |
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#endif /* !STATIC */ |
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|
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|
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|
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extern struct dcc_t *dcc; |
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extern struct userrec *userlist, *lastuser; |
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extern struct chanset_t *chanset; |
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|
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extern char tempdir[], botnetnick[], botname[], origbotname[], botuser[], |
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admin[], userfile[], ver[], notify_new[], helpdir[], version[], |
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quit_msg[], log_ts[]; |
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|
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extern int parties, noshare, dcc_total, egg_numver, userfile_perm, do_restart, |
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ignore_time, must_be_owner, raw_log, max_dcc, make_userfile, |
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default_flags, require_p, share_greet, use_invites, use_exempts, |
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password_timeout, force_expire, protect_readonly, reserved_port_min, |
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reserved_port_max, copy_to_tmp, quiet_reject; |
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|
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#ifdef IPV6 |
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extern int pref_af; |
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#endif |
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|
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#ifdef TLS |
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extern int tls_vfyclients, tls_vfydcc, tls_vfybots; |
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#endif |
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|
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extern party_t *party; |
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extern time_t now, online_since; |
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extern tand_t *tandbot; |
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extern Tcl_Interp *interp; |
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extern sock_list *socklist; |
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|
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int cmd_die(); |
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int xtra_kill(); |
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int xtra_unpack(); |
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static int module_rename(char *name, char *newname); |
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|
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#ifndef STATIC |
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char moddir[121] = "modules/"; |
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#endif |
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|
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#ifdef STATIC |
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struct static_list { |
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struct static_list *next; |
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char *name; |
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char *(*func) (); |
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} *static_modules = NULL; |
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|
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void check_static(char *name, char *(*func) ()) |
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{ |
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struct static_list *p = nmalloc(sizeof(struct static_list)); |
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|
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p->name = nmalloc(strlen(name) + 1); |
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strcpy(p->name, name); |
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p->func = func; |
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p->next = static_modules; |
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static_modules = p; |
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} |
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#endif /* STATIC */ |
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|
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|
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/* The null functions */ |
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void null_func() |
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{ |
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} |
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|
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char *charp_func() |
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{ |
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return NULL; |
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} |
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|
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int minus_func() |
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{ |
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return -1; |
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} |
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|
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int false_func() |
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{ |
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return 0; |
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} |
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|
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|
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/* The REAL hooks. When these are called, a return of 0 indicates unhandled; |
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* 1 indicates handled. */ |
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struct hook_entry *hook_list[REAL_HOOKS]; |
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|
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static void null_share(int idx, char *x) |
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{ |
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if ((x[0] == 'u') && (x[1] == 'n')) { |
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putlog(LOG_BOTS, "*", _("User file rejected by %s: %s"), dcc[idx].nick, x + 3); |
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dcc[idx].status &= ~STAT_OFFERED; |
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if (!(dcc[idx].status & STAT_GETTING)) { |
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dcc[idx].status &= ~STAT_SHARE; |
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} |
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} else if ((x[0] != 'v') && (x[0] != 'e')) { |
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dprintf(idx, "s un Not sharing userfile.\n"); |
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} |
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} |
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|
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void (*encrypt_pass) (char *, char *) = 0; |
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char *(*encrypt_string) (char *, char *) = 0; |
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char *(*decrypt_string) (char *, char *) = 0; |
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void (*shareout) () = null_func; |
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void (*sharein) (int, char *) = null_share; |
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void (*qserver) (int, char *, int) = (void (*)(int, char *, int)) null_func; |
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void (*add_mode) () = null_func; |
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int (*match_noterej) (struct userrec *, char *) = |
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(int (*)(struct userrec *, char *)) false_func; |
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int (*rfc_casecmp) (const char *, const char *) = _rfc_casecmp; |
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int (*rfc_ncasecmp) (const char *, const char *, int) = _rfc_ncasecmp; |
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int (*rfc_toupper) (int) = _rfc_toupper; |
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int (*rfc_tolower) (int) = _rfc_tolower; |
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void (*dns_hostbyip) (sockname_t *) = block_dns_hostbyip; |
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void (*dns_ipbyhost) (char *) = block_dns_ipbyhost; |
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|
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module_entry *module_list; |
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dependancy *dependancy_list = NULL; |
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|
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/* The horrible global lookup table for functions |
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* BUT it makes the whole thing *much* more portable than letting each |
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* OS screw up the symbols their own special way :/ |
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*/ |
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Function global_table[] = { |
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/* 0 - 3 */ |
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(Function) mod_malloc, |
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(Function) mod_free, |
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#ifdef DEBUG_CONTEXT |
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(Function) eggContext, |
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#else |
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(Function) 0, |
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#endif |
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(Function) module_rename, |
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/* 4 - 7 */ |
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(Function) module_register, |
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(Function) module_find, |
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(Function) module_depend, |
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(Function) module_undepend, |
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/* 8 - 11 */ |
217 |
(Function) add_bind_table, |
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(Function) del_bind_table, |
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(Function) find_bind_table, |
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(Function) check_tcl_bind, |
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/* 12 - 15 */ |
222 |
(Function) add_builtins, |
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(Function) rem_builtins, |
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(Function) add_tcl_commands, |
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(Function) rem_tcl_commands, |
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/* 16 - 19 */ |
227 |
(Function) add_tcl_ints, |
228 |
(Function) rem_tcl_ints, |
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(Function) add_tcl_strings, |
230 |
(Function) rem_tcl_strings, |
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/* 20 - 23 */ |
232 |
(Function) base64_to_int, |
233 |
(Function) int_to_base64, |
234 |
(Function) int_to_base10, |
235 |
(Function) simple_sprintf, |
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/* 24 - 27 */ |
237 |
(Function) botnet_send_zapf, |
238 |
(Function) botnet_send_zapf_broad, |
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(Function) botnet_send_unlinked, |
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(Function) botnet_send_bye, |
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/* 28 - 31 */ |
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(Function) botnet_send_chat, |
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(Function) botnet_send_filereject, |
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(Function) botnet_send_filesend, |
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(Function) botnet_send_filereq, |
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/* 32 - 35 */ |
247 |
(Function) botnet_send_join_idx, |
248 |
(Function) botnet_send_part_idx, |
249 |
(Function) updatebot, |
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(Function) nextbot, |
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/* 36 - 39 */ |
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(Function) zapfbot, |
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(Function) n_free, |
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(Function) u_pass_match, |
255 |
(Function) _user_malloc, |
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/* 40 - 43 */ |
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(Function) get_user, |
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(Function) set_user, |
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(Function) add_entry_type, |
260 |
(Function) del_entry_type, |
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/* 44 - 47 */ |
262 |
(Function) get_user_flagrec, |
263 |
(Function) set_user_flagrec, |
264 |
(Function) get_user_by_host, |
265 |
(Function) get_user_by_handle, |
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/* 48 - 51 */ |
267 |
(Function) find_entry_type, |
268 |
(Function) find_user_entry, |
269 |
(Function) adduser, |
270 |
(Function) deluser, |
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/* 52 - 55 */ |
272 |
(Function) addhost_by_handle, |
273 |
(Function) delhost_by_handle, |
274 |
(Function) readuserfile, |
275 |
(Function) write_userfile, |
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/* 56 - 59 */ |
277 |
(Function) geticon, |
278 |
(Function) clear_chanlist, |
279 |
(Function) reaffirm_owners, |
280 |
(Function) change_handle, |
281 |
/* 60 - 63 */ |
282 |
(Function) write_user, |
283 |
(Function) clear_userlist, |
284 |
(Function) count_users, |
285 |
(Function) sanity_check, |
286 |
/* 64 - 67 */ |
287 |
(Function) break_down_flags, |
288 |
(Function) build_flags, |
289 |
(Function) flagrec_eq, |
290 |
(Function) flagrec_ok, |
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/* 68 - 71 */ |
292 |
(Function) & shareout, |
293 |
(Function) dprintf, |
294 |
(Function) chatout, |
295 |
(Function) chanout_but, |
296 |
/* 72 - 75 */ |
297 |
(Function) check_validity, |
298 |
(Function) egg_list_delete, |
299 |
(Function) egg_list_append, |
300 |
(Function) egg_list_contains, |
301 |
/* 76 - 79 */ |
302 |
(Function) answer, |
303 |
(Function) getvhost, |
304 |
#ifdef TLS |
305 |
(Function) ssl_handshake, |
306 |
#else |
307 |
(Function) 0, |
308 |
#endif |
309 |
(Function) tputs, |
310 |
/* 80 - 83 */ |
311 |
(Function) new_dcc, |
312 |
(Function) lostdcc, |
313 |
(Function) getsock, |
314 |
(Function) killsock, |
315 |
/* 84 - 87 */ |
316 |
(Function) open_listen, |
317 |
(Function) getdccaddr, |
318 |
(Function) _get_data_ptr, |
319 |
(Function) open_telnet, |
320 |
/* 88 - 91 */ |
321 |
(Function) check_tcl_event, |
322 |
(Function) 0, /* egg_memcpy -- UNUSED! (pseudo) */ |
323 |
(Function) my_atoul, |
324 |
(Function) my_strcpy, |
325 |
/* 92 - 95 */ |
326 |
(Function) & dcc, /* struct dcc_t * */ |
327 |
(Function) & chanset, /* struct chanset_t * */ |
328 |
(Function) & userlist, /* struct userrec * */ |
329 |
(Function) & lastuser, /* struct userrec * */ |
330 |
/* 96 - 99 */ |
331 |
(Function) & global_bans, /* struct banrec * */ |
332 |
(Function) & global_ign, /* struct igrec * */ |
333 |
(Function) & password_timeout, /* int */ |
334 |
(Function) & share_greet, /* int */ |
335 |
/* 100 - 103 */ |
336 |
(Function) & max_dcc, /* int */ |
337 |
(Function) & require_p, /* int */ |
338 |
(Function) & ignore_time, /* int */ |
339 |
#ifdef TLS |
340 |
(Function) dcc_fingerprint, |
341 |
#else |
342 |
(Function) 0, /* was use_console_r <Wcc[02/02/03]> */ |
343 |
#endif |
344 |
/* 104 - 107 */ |
345 |
(Function) & reserved_port_min, |
346 |
(Function) & reserved_port_max, |
347 |
(Function) & raw_log, /* int */ |
348 |
(Function) & noshare, /* int */ |
349 |
/* 108 - 111 */ |
350 |
#ifdef TLS |
351 |
(Function) & tls_vfybots, /* int */ |
352 |
#else |
353 |
(Function) 0, /* gban_total -- UNUSED! (Eule) */ |
354 |
#endif |
355 |
(Function) & make_userfile, /* int */ |
356 |
(Function) & default_flags, /* int */ |
357 |
(Function) & dcc_total, /* int */ |
358 |
/* 112 - 115 */ |
359 |
(Function) tempdir, /* char * */ |
360 |
#ifdef TLS |
361 |
(Function) & tls_vfyclients, /* int */ |
362 |
(Function) & tls_vfydcc, /* int */ |
363 |
#else |
364 |
(Function) 0, /* was natip -- use getmyip() instead */ |
365 |
(Function) 0, /* was myip -- use getvhost() instead */ |
366 |
#endif |
367 |
(Function) origbotname, /* char * */ |
368 |
/* 116 - 119 */ |
369 |
(Function) botuser, /* char * */ |
370 |
(Function) admin, /* char * */ |
371 |
(Function) userfile, /* char * */ |
372 |
(Function) ver, /* char * */ |
373 |
/* 120 - 123 */ |
374 |
(Function) notify_new, /* char * */ |
375 |
(Function) helpdir, /* char * */ |
376 |
(Function) version, /* char * */ |
377 |
(Function) botnetnick, /* char * */ |
378 |
/* 124 - 127 */ |
379 |
(Function) & DCC_CHAT_PASS, /* struct dcc_table * */ |
380 |
(Function) & DCC_BOT, /* struct dcc_table * */ |
381 |
(Function) & DCC_LOST, /* struct dcc_table * */ |
382 |
(Function) & DCC_CHAT, /* struct dcc_table * */ |
383 |
/* 128 - 131 */ |
384 |
(Function) & interp, /* Tcl_Interp * */ |
385 |
(Function) & now, /* time_t */ |
386 |
(Function) findanyidx, |
387 |
(Function) findchan, |
388 |
/* 132 - 135 */ |
389 |
(Function) cmd_die, |
390 |
(Function) days, |
391 |
(Function) daysago, |
392 |
(Function) daysdur, |
393 |
/* 136 - 139 */ |
394 |
(Function) ismember, |
395 |
(Function) newsplit, |
396 |
(Function) splitnick, |
397 |
(Function) splitc, |
398 |
/* 140 - 143 */ |
399 |
(Function) addignore, |
400 |
(Function) match_ignore, |
401 |
(Function) delignore, |
402 |
(Function) fatal, |
403 |
/* 144 - 147 */ |
404 |
(Function) xtra_kill, |
405 |
(Function) xtra_unpack, |
406 |
(Function) movefile, |
407 |
(Function) copyfile, |
408 |
/* 148 - 151 */ |
409 |
(Function) do_tcl, |
410 |
(Function) readtclprog, |
411 |
(Function) 0, /* was get_language() */ |
412 |
(Function) def_get, |
413 |
/* 152 - 155 */ |
414 |
(Function) makepass, |
415 |
(Function) _wild_match, |
416 |
(Function) maskaddr, |
417 |
(Function) show_motd, |
418 |
/* 156 - 159 */ |
419 |
(Function) tellhelp, |
420 |
(Function) showhelp, |
421 |
(Function) add_help_reference, |
422 |
(Function) rem_help_reference, |
423 |
/* 160 - 163 */ |
424 |
(Function) touch_laston, |
425 |
(Function) & add_mode, /* Function * */ |
426 |
(Function) rmspace, |
427 |
(Function) in_chain, |
428 |
/* 164 - 167 */ |
429 |
(Function) add_note, |
430 |
(Function) 0, |
431 |
(Function) detect_dcc_flood, |
432 |
(Function) flush_lines, |
433 |
/* 168 - 171 */ |
434 |
(Function) expected_memory, |
435 |
(Function) tell_mem_status, |
436 |
(Function) & do_restart, /* int */ |
437 |
(Function) check_tcl_filt, |
438 |
/* 172 - 175 */ |
439 |
(Function) add_hook, |
440 |
(Function) del_hook, |
441 |
(Function) & H_dcc, /* p_tcl_bind_list * */ |
442 |
(Function) & H_filt, /* p_tcl_bind_list * */ |
443 |
/* 176 - 179 */ |
444 |
(Function) & H_chon, /* p_tcl_bind_list * */ |
445 |
(Function) & H_chof, /* p_tcl_bind_list * */ |
446 |
(Function) & H_load, /* p_tcl_bind_list * */ |
447 |
(Function) & H_unld, /* p_tcl_bind_list * */ |
448 |
/* 180 - 183 */ |
449 |
(Function) & H_chat, /* p_tcl_bind_list * */ |
450 |
(Function) & H_act, /* p_tcl_bind_list * */ |
451 |
(Function) & H_bcst, /* p_tcl_bind_list * */ |
452 |
(Function) & H_bot, /* p_tcl_bind_list * */ |
453 |
/* 184 - 187 */ |
454 |
(Function) & H_link, /* p_tcl_bind_list * */ |
455 |
(Function) & H_disc, /* p_tcl_bind_list * */ |
456 |
(Function) & H_away, /* p_tcl_bind_list * */ |
457 |
(Function) & H_nkch, /* p_tcl_bind_list * */ |
458 |
/* 188 - 191 */ |
459 |
(Function) & USERENTRY_BOTADDR, /* struct user_entry_type * */ |
460 |
(Function) & USERENTRY_BOTFL, /* struct user_entry_type * */ |
461 |
(Function) & USERENTRY_HOSTS, /* struct user_entry_type * */ |
462 |
(Function) & USERENTRY_PASS, /* struct user_entry_type * */ |
463 |
/* 192 - 195 */ |
464 |
(Function) & USERENTRY_XTRA, /* struct user_entry_type * */ |
465 |
(Function) user_del_chan, |
466 |
(Function) & USERENTRY_INFO, /* struct user_entry_type * */ |
467 |
(Function) & USERENTRY_COMMENT, /* struct user_entry_type * */ |
468 |
/* 196 - 199 */ |
469 |
(Function) & USERENTRY_LASTON, /* struct user_entry_type * */ |
470 |
(Function) putlog, |
471 |
(Function) botnet_send_chan, |
472 |
(Function) list_type_kill, |
473 |
/* 200 - 203 */ |
474 |
(Function) logmodes, |
475 |
(Function) masktype, |
476 |
(Function) stripmodes, |
477 |
(Function) stripmasktype, |
478 |
/* 204 - 207 */ |
479 |
(Function) sub_lang, |
480 |
(Function) & online_since, /* time_t * */ |
481 |
(Function) 0, |
482 |
(Function) check_dcc_attrs, |
483 |
/* 208 - 211 */ |
484 |
(Function) check_dcc_chanattrs, |
485 |
(Function) add_tcl_coups, |
486 |
(Function) rem_tcl_coups, |
487 |
(Function) botname, |
488 |
/* 212 - 215 */ |
489 |
(Function) 0, /* remove_gunk() -- UNUSED! (drummer) */ |
490 |
(Function) check_tcl_chjn, |
491 |
(Function) sanitycheck_dcc, |
492 |
(Function) isowner, |
493 |
/* 216 - 219 */ |
494 |
(Function) 0, /* min_dcc_port -- UNUSED! (guppy) */ |
495 |
(Function) 0, /* max_dcc_port -- UNUSED! (guppy) */ |
496 |
(Function) & rfc_casecmp, /* Function * */ |
497 |
(Function) & rfc_ncasecmp, /* Function * */ |
498 |
/* 220 - 223 */ |
499 |
(Function) & global_exempts, /* struct exemptrec * */ |
500 |
(Function) & global_invites, /* struct inviterec * */ |
501 |
(Function) 0, /* ginvite_total -- UNUSED! (Eule) */ |
502 |
(Function) 0, /* gexempt_total -- UNUSED! (Eule) */ |
503 |
/* 224 - 227 */ |
504 |
(Function) & H_event, /* p_tcl_bind_list * */ |
505 |
(Function) & use_exempts, /* int */ |
506 |
(Function) & use_invites, /* int */ |
507 |
(Function) & force_expire, /* int */ |
508 |
/* 228 - 231 */ |
509 |
(Function) 0, |
510 |
(Function) _user_realloc, |
511 |
(Function) mod_realloc, |
512 |
(Function) xtra_set, |
513 |
/* 232 - 235 */ |
514 |
#ifdef DEBUG_CONTEXT |
515 |
(Function) eggContextNote, |
516 |
#else |
517 |
(Function) 0, |
518 |
#endif |
519 |
#ifdef DEBUG_ASSERT |
520 |
(Function) eggAssert, |
521 |
#else |
522 |
(Function) 0, |
523 |
#endif |
524 |
(Function) allocsock, |
525 |
(Function) call_hostbyip, |
526 |
/* 236 - 239 */ |
527 |
(Function) call_ipbyhost, |
528 |
(Function) iptostr, |
529 |
(Function) & DCC_DNSWAIT, /* struct dcc_table * */ |
530 |
(Function) hostsanitycheck_dcc, |
531 |
/* 240 - 243 */ |
532 |
(Function) dcc_dnsipbyhost, |
533 |
(Function) dcc_dnshostbyip, |
534 |
(Function) changeover_dcc, |
535 |
(Function) make_rand_str, |
536 |
/* 244 - 247 */ |
537 |
(Function) & protect_readonly, /* int */ |
538 |
(Function) findchan_by_dname, |
539 |
(Function) removedcc, |
540 |
(Function) & userfile_perm, /* int */ |
541 |
/* 248 - 251 */ |
542 |
(Function) sock_has_data, |
543 |
(Function) bots_in_subtree, |
544 |
(Function) users_in_subtree, |
545 |
(Function) egg_inet_aton, |
546 |
/* 252 - 255 */ |
547 |
(Function) egg_snprintf, |
548 |
(Function) egg_vsnprintf, |
549 |
(Function) 0, |
550 |
(Function) egg_strcasecmp, |
551 |
/* 256 - 259 */ |
552 |
(Function) egg_strncasecmp, |
553 |
(Function) is_file, |
554 |
(Function) & must_be_owner, /* int */ |
555 |
(Function) & tandbot, /* tand_t * */ |
556 |
/* 260 - 263 */ |
557 |
(Function) & party, /* party_t * */ |
558 |
(Function) open_address_listen, |
559 |
(Function) str_escape, |
560 |
(Function) strchr_unescape, |
561 |
/* 264 - 267 */ |
562 |
(Function) str_unescape, |
563 |
(Function) egg_strcatn, |
564 |
(Function) clear_chanlist_member, |
565 |
(Function) fixfrom, |
566 |
/* 268 - 271 */ |
567 |
(Function) & socklist, /* sock_list * */ |
568 |
(Function) sockoptions, |
569 |
(Function) flush_inbuf, |
570 |
(Function) kill_bot, |
571 |
/* 272 - 275 */ |
572 |
(Function) quit_msg, /* char * */ |
573 |
(Function) module_load, |
574 |
(Function) module_unload, |
575 |
(Function) & parties, /* int */ |
576 |
/* 276 - 279 */ |
577 |
(Function) tell_bottree, |
578 |
(Function) MD5_Init, |
579 |
(Function) MD5_Update, |
580 |
(Function) MD5_Final, |
581 |
/* 280 - 283 */ |
582 |
(Function) _wild_match_per, |
583 |
(Function) killtransfer, |
584 |
(Function) write_ignores, |
585 |
(Function) & copy_to_tmp, /* int */ |
586 |
/* 284 - 287 */ |
587 |
(Function) & quiet_reject, /* int */ |
588 |
(Function) file_readable, |
589 |
(Function) setsockname, |
590 |
(Function) open_telnet_raw, |
591 |
/* 288 - 291 */ |
592 |
#ifdef IPV6 |
593 |
(Function) & pref_af, /* int */ |
594 |
#else |
595 |
(Function) 0, /* IPv6 leftovers: 288 */ |
596 |
#endif |
597 |
(Function) strip_mirc_codes, |
598 |
(Function) check_ansi, |
599 |
(Function) oatoi, |
600 |
/* 292 - 295 */ |
601 |
(Function) str_isdigit, |
602 |
(Function) remove_crlf, |
603 |
(Function) addr_match, |
604 |
(Function) mask_match, |
605 |
/* 296 - 299 */ |
606 |
(Function) check_conflags, |
607 |
(Function) increase_socks_max, |
608 |
(Function) log_ts |
609 |
}; |
610 |
|
611 |
void init_modules(void) |
612 |
{ |
613 |
int i; |
614 |
|
615 |
module_list = nmalloc(sizeof(module_entry)); |
616 |
module_list->name = nmalloc(8); |
617 |
strcpy(module_list->name, "eggdrop"); |
618 |
module_list->major = (egg_numver) / 10000; |
619 |
module_list->minor = (egg_numver / 100) % 100; |
620 |
#ifndef STATIC |
621 |
module_list->hand = NULL; |
622 |
#endif |
623 |
module_list->next = NULL; |
624 |
module_list->funcs = NULL; |
625 |
for (i = 0; i < REAL_HOOKS; i++) |
626 |
hook_list[i] = NULL; |
627 |
} |
628 |
|
629 |
int expmem_modules(int y) |
630 |
{ |
631 |
int c = 0, i; |
632 |
module_entry *p; |
633 |
dependancy *d; |
634 |
struct hook_entry *q; |
635 |
Function *f; |
636 |
#ifdef STATIC |
637 |
struct static_list *s; |
638 |
|
639 |
for (s = static_modules; s; s = s->next) |
640 |
c += sizeof(struct static_list) + strlen(s->name) + 1; |
641 |
#endif |
642 |
|
643 |
for (i = 0; i < REAL_HOOKS; i++) |
644 |
for (q = hook_list[i]; q; q = q->next) |
645 |
c += sizeof(struct hook_entry); |
646 |
|
647 |
for (d = dependancy_list; d; d = d->next) |
648 |
c += sizeof(dependancy); |
649 |
|
650 |
for (p = module_list; p; p = p->next) { |
651 |
c += sizeof(module_entry); |
652 |
c += strlen(p->name) + 1; |
653 |
f = p->funcs; |
654 |
if (f && f[MODCALL_EXPMEM] && !y) |
655 |
c += (int) (f[MODCALL_EXPMEM] ()); |
656 |
} |
657 |
return c; |
658 |
} |
659 |
|
660 |
int module_register(char *name, Function *funcs, int major, int minor) |
661 |
{ |
662 |
module_entry *p; |
663 |
|
664 |
for (p = module_list; p && p->name; p = p->next) { |
665 |
if (!egg_strcasecmp(name, p->name)) { |
666 |
p->major = major; |
667 |
p->minor = minor; |
668 |
p->funcs = funcs; |
669 |
return 1; |
670 |
} |
671 |
} |
672 |
|
673 |
return 0; |
674 |
} |
675 |
|
676 |
const char *module_load(char *name) |
677 |
{ |
678 |
module_entry *p; |
679 |
char *e; |
680 |
Function f; |
681 |
#ifdef STATIC |
682 |
struct static_list *sl; |
683 |
#endif |
684 |
|
685 |
#ifndef STATIC |
686 |
char workbuf[1024]; |
687 |
# ifdef MOD_USE_SHL |
688 |
shl_t hand; |
689 |
# endif |
690 |
# ifdef MOD_USE_DYLD |
691 |
NSObjectFileImage file; |
692 |
NSObjectFileImageReturnCode ret; |
693 |
NSModule hand; |
694 |
NSSymbol sym; |
695 |
# endif |
696 |
# ifdef MOD_USE_RLD |
697 |
long ret; |
698 |
# endif |
699 |
# ifdef MOD_USE_LOADER |
700 |
ldr_module_t hand; |
701 |
# endif |
702 |
# ifdef MOD_USE_DL |
703 |
void *hand; |
704 |
# endif |
705 |
#endif /* !STATIC */ |
706 |
|
707 |
if (module_find(name, 0, 0) != NULL) |
708 |
return _("Already loaded."); |
709 |
|
710 |
#ifndef STATIC |
711 |
if (moddir[0] != '/') { |
712 |
if (getcwd(workbuf, 1024) == NULL) |
713 |
return _("Can't determine current directory."); |
714 |
sprintf(&(workbuf[strlen(workbuf)]), "/%s%s." EGG_MOD_EXT, moddir, name); |
715 |
} else { |
716 |
sprintf(workbuf, "%s%s." EGG_MOD_EXT, moddir, name); |
717 |
} |
718 |
|
719 |
# ifdef MOD_USE_SHL |
720 |
hand = shl_load(workbuf, BIND_IMMEDIATE, 0L); |
721 |
if (!hand) |
722 |
return _("Can't load module."); |
723 |
sprintf(workbuf, "%s_start", name); |
724 |
if (shl_findsym(&hand, workbuf, (short) TYPE_PROCEDURE, (void *) &f)) |
725 |
f = NULL; |
726 |
if (f == NULL) { |
727 |
/* Some OS's require a _ to be prepended to the symbol name (Darwin, etc). */ |
728 |
sprintf(workbuf, "_%s_start", name); |
729 |
if (shl_findsym(&hand, workbuf, (short) TYPE_PROCEDURE, (void *) &f)) |
730 |
f = NULL; |
731 |
} |
732 |
if (f == NULL) { |
733 |
shl_unload(hand); |
734 |
return _("No start function defined."); |
735 |
} |
736 |
# endif /* MOD_USE_SHL */ |
737 |
|
738 |
# ifdef MOD_USE_DYLD |
739 |
ret = NSCreateObjectFileImageFromFile(workbuf, &file); |
740 |
if (ret != NSObjectFileImageSuccess) |
741 |
return _("Can't load module."); |
742 |
hand = NSLinkModule(file, workbuf, DYLDFLAGS); |
743 |
sprintf(workbuf, "_%s_start", name); |
744 |
sym = NSLookupSymbolInModule(hand, workbuf); |
745 |
if (sym) |
746 |
f = (Function) NSAddressOfSymbol(sym); |
747 |
else |
748 |
f = NULL; |
749 |
if (f == NULL) { |
750 |
NSUnLinkModule(hand, NSUNLINKMODULE_OPTION_NONE); |
751 |
return _("No start function defined."); |
752 |
} |
753 |
# endif /* MOD_USE_DYLD */ |
754 |
|
755 |
# ifdef MOD_USE_RLD |
756 |
ret = rld_load(NULL, (struct mach_header **) 0, workbuf, (const char *) 0); |
757 |
if (!ret) |
758 |
return _("Can't load module."); |
759 |
sprintf(workbuf, "_%s_start", name); |
760 |
ret = rld_lookup(NULL, workbuf, &f) |
761 |
if (!ret || f == NULL) |
762 |
return _("No start function defined."); |
763 |
/* There isn't a reliable way to unload at this point... just keep it loaded. */ |
764 |
# endif /* MOD_USE_DYLD */ |
765 |
|
766 |
# ifdef MOD_USE_LOADER |
767 |
hand = load(workbuf, LDR_NOFLAGS); |
768 |
if (hand == LDR_NULL_MODULE) |
769 |
return _("Can't load module."); |
770 |
sprintf(workbuf, "%s_start", name); |
771 |
f = (Function) ldr_lookup_package(hand, workbuf); |
772 |
if (f == NULL) { |
773 |
sprintf(workbuf, "_%s_start", name); |
774 |
f = (Function) ldr_lookup_package(hand, workbuf); |
775 |
} |
776 |
if (f == NULL) { |
777 |
unload(hand); |
778 |
return _("No start function defined."); |
779 |
} |
780 |
# endif /* MOD_USE_LOADER */ |
781 |
|
782 |
# ifdef MOD_USE_DL |
783 |
hand = dlopen(workbuf, DLFLAGS); |
784 |
if (!hand) |
785 |
return dlerror(); |
786 |
sprintf(workbuf, "%s_start", name); |
787 |
f = (Function) dlsym(hand, workbuf); |
788 |
if (f == NULL) { |
789 |
sprintf(workbuf, "_%s_start", name); |
790 |
f = (Function) dlsym(hand, workbuf); |
791 |
} |
792 |
if (f == NULL) { |
793 |
dlclose(hand); |
794 |
return _("No start function defined."); |
795 |
} |
796 |
# endif /* MOD_USE_DL */ |
797 |
#endif /* !STATIC */ |
798 |
|
799 |
#ifdef STATIC |
800 |
for (sl = static_modules; sl && egg_strcasecmp(sl->name, name); sl = sl->next); |
801 |
if (!sl) |
802 |
return _("Unknown module."); |
803 |
f = (Function) sl->func; |
804 |
#endif /* STATIC */ |
805 |
|
806 |
p = nmalloc(sizeof(module_entry)); |
807 |
if (p == NULL) |
808 |
return _("Malloc error"); |
809 |
p->name = nmalloc(strlen(name) + 1); |
810 |
strcpy(p->name, name); |
811 |
p->major = 0; |
812 |
p->minor = 0; |
813 |
#ifndef STATIC |
814 |
p->hand = hand; |
815 |
#endif |
816 |
p->funcs = 0; |
817 |
p->next = module_list; |
818 |
module_list = p; |
819 |
e = (((char *(*)()) f) (global_table)); |
820 |
if (e) { |
821 |
module_list = module_list->next; |
822 |
nfree(p->name); |
823 |
nfree(p); |
824 |
return e; |
825 |
} |
826 |
check_tcl_load(name); |
827 |
|
828 |
if (0) |
829 |
putlog(LOG_MISC, "*", _("Module loaded: %-16s (with lang support)"), name); |
830 |
else |
831 |
putlog(LOG_MISC, "*", _("Module loaded: %-16s"), name); |
832 |
|
833 |
return NULL; |
834 |
} |
835 |
|
836 |
char *module_unload(char *name, char *user) |
837 |
{ |
838 |
module_entry *p = module_list, *o = NULL; |
839 |
char *e; |
840 |
Function *f; |
841 |
|
842 |
while (p) { |
843 |
if ((p->name != NULL) && !strcmp(name, p->name)) { |
844 |
dependancy *d; |
845 |
|
846 |
for (d = dependancy_list; d; d = d->next) |
847 |
if (d->needed == p) |
848 |
return _("Needed by another module"); |
849 |
|
850 |
f = p->funcs; |
851 |
if (f && !f[MODCALL_CLOSE]) |
852 |
return _("No close function"); |
853 |
if (f) { |
854 |
check_tcl_unld(name); |
855 |
e = (((char *(*)()) f[MODCALL_CLOSE]) (user)); |
856 |
if (e != NULL) |
857 |
return e; |
858 |
#ifndef STATIC |
859 |
# ifdef MOD_USE_SHL |
860 |
shl_unload(p->hand); |
861 |
# endif |
862 |
# ifdef MOD_USE_DYLD |
863 |
NSUnLinkModule(p->hand, NSUNLINKMODULE_OPTION_NONE); |
864 |
# endif |
865 |
# ifdef MOD_USE_LOADER |
866 |
unload(p->hand); |
867 |
# endif |
868 |
# ifdef MOD_USE_DL |
869 |
dlclose(p->hand); |
870 |
# endif |
871 |
#endif /* !STATIC */ |
872 |
} |
873 |
nfree(p->name); |
874 |
if (o == NULL) |
875 |
module_list = p->next; |
876 |
else |
877 |
o->next = p->next; |
878 |
nfree(p); |
879 |
putlog(LOG_MISC, "*", "%s %s", _("Module unloaded:"), name); |
880 |
return NULL; |
881 |
} |
882 |
o = p; |
883 |
p = p->next; |
884 |
} |
885 |
|
886 |
return _("No such module"); |
887 |
} |
888 |
|
889 |
module_entry *module_find(char *name, int major, int minor) |
890 |
{ |
891 |
module_entry *p; |
892 |
|
893 |
for (p = module_list; p && p->name; p = p->next) { |
894 |
if ((major == p->major || !major) && minor <= p->minor && |
895 |
!egg_strcasecmp(name, p->name)) |
896 |
return p; |
897 |
} |
898 |
return NULL; |
899 |
} |
900 |
|
901 |
static int module_rename(char *name, char *newname) |
902 |
{ |
903 |
module_entry *p; |
904 |
|
905 |
for (p = module_list; p; p = p->next) |
906 |
if (!egg_strcasecmp(newname, p->name)) |
907 |
return 0; |
908 |
|
909 |
for (p = module_list; p && p->name; p = p->next) { |
910 |
if (!egg_strcasecmp(name, p->name)) { |
911 |
nfree(p->name); |
912 |
p->name = nmalloc(strlen(newname) + 1); |
913 |
strcpy(p->name, newname); |
914 |
return 1; |
915 |
} |
916 |
} |
917 |
return 0; |
918 |
} |
919 |
|
920 |
Function *module_depend(char *name1, char *name2, int major, int minor) |
921 |
{ |
922 |
module_entry *p = module_find(name2, major, minor); |
923 |
module_entry *o = module_find(name1, 0, 0); |
924 |
dependancy *d; |
925 |
|
926 |
if (!p) { |
927 |
if (module_load(name2)) |
928 |
return 0; |
929 |
p = module_find(name2, major, minor); |
930 |
} |
931 |
if (!p || !o) |
932 |
return 0; |
933 |
d = nmalloc(sizeof(dependancy)); |
934 |
|
935 |
d->needed = p; |
936 |
d->needing = o; |
937 |
d->next = dependancy_list; |
938 |
d->major = major; |
939 |
d->minor = minor; |
940 |
dependancy_list = d; |
941 |
return p->funcs ? p->funcs : (Function *) 1; |
942 |
} |
943 |
|
944 |
int module_undepend(char *name1) |
945 |
{ |
946 |
int ok = 0; |
947 |
module_entry *p = module_find(name1, 0, 0); |
948 |
dependancy *d = dependancy_list, *o = NULL; |
949 |
|
950 |
if (p == NULL) |
951 |
return 0; |
952 |
while (d != NULL) { |
953 |
if (d->needing == p) { |
954 |
if (o == NULL) { |
955 |
dependancy_list = d->next; |
956 |
} else { |
957 |
o->next = d->next; |
958 |
} |
959 |
nfree(d); |
960 |
if (o == NULL) |
961 |
d = dependancy_list; |
962 |
else |
963 |
d = o->next; |
964 |
ok++; |
965 |
} else { |
966 |
o = d; |
967 |
d = d->next; |
968 |
} |
969 |
} |
970 |
return ok; |
971 |
} |
972 |
|
973 |
void *mod_malloc(int size, const char *modname, const char *filename, int line) |
974 |
{ |
975 |
#ifdef DEBUG_MEM |
976 |
char x[100], *p; |
977 |
|
978 |
p = strrchr(filename, '/'); |
979 |
egg_snprintf(x, sizeof x, "%s:%s", modname, p ? p + 1 : filename); |
980 |
x[19] = 0; |
981 |
return n_malloc(size, x, line); |
982 |
#else |
983 |
return nmalloc(size); |
984 |
#endif |
985 |
} |
986 |
|
987 |
void *mod_realloc(void *ptr, int size, const char *modname, |
988 |
const char *filename, int line) |
989 |
{ |
990 |
#ifdef DEBUG_MEM |
991 |
char x[100], *p; |
992 |
|
993 |
p = strrchr(filename, '/'); |
994 |
egg_snprintf(x, sizeof x, "%s:%s", modname, p ? p + 1 : filename); |
995 |
x[19] = 0; |
996 |
return n_realloc(ptr, size, x, line); |
997 |
#else |
998 |
return nrealloc(ptr, size); |
999 |
#endif |
1000 |
} |
1001 |
|
1002 |
void mod_free(void *ptr, const char *modname, const char *filename, int line) |
1003 |
{ |
1004 |
char x[100], *p; |
1005 |
|
1006 |
p = strrchr(filename, '/'); |
1007 |
egg_snprintf(x, sizeof x, "%s:%s", modname, p ? p + 1 : filename); |
1008 |
x[19] = 0; |
1009 |
n_free(ptr, x, line); |
1010 |
} |
1011 |
|
1012 |
/* Hooks, various tables of functions to call on certain events |
1013 |
*/ |
1014 |
void add_hook(int hook_num, Function func) |
1015 |
{ |
1016 |
if (hook_num < REAL_HOOKS) { |
1017 |
struct hook_entry *p; |
1018 |
|
1019 |
for (p = hook_list[hook_num]; p; p = p->next) |
1020 |
if (p->func == func) |
1021 |
return; /* Don't add it if it's already there */ |
1022 |
p = nmalloc(sizeof(struct hook_entry)); |
1023 |
|
1024 |
p->next = hook_list[hook_num]; |
1025 |
hook_list[hook_num] = p; |
1026 |
p->func = func; |
1027 |
} else |
1028 |
switch (hook_num) { |
1029 |
case HOOK_ENCRYPT_PASS: |
1030 |
encrypt_pass = (void (*)(char *, char *)) func; |
1031 |
break; |
1032 |
case HOOK_ENCRYPT_STRING: |
1033 |
encrypt_string = (char *(*)(char *, char *)) func; |
1034 |
break; |
1035 |
case HOOK_DECRYPT_STRING: |
1036 |
decrypt_string = (char *(*)(char *, char *)) func; |
1037 |
break; |
1038 |
case HOOK_SHAREOUT: |
1039 |
shareout = (void (*)()) func; |
1040 |
break; |
1041 |
case HOOK_SHAREIN: |
1042 |
sharein = (void (*)(int, char *)) func; |
1043 |
break; |
1044 |
case HOOK_QSERV: |
1045 |
if (qserver == (void (*)(int, char *, int)) null_func) |
1046 |
qserver = (void (*)(int, char *, int)) func; |
1047 |
break; |
1048 |
case HOOK_ADD_MODE: |
1049 |
if (add_mode == (void (*)()) null_func) |
1050 |
add_mode = (void (*)()) func; |
1051 |
break; |
1052 |
/* special hook <drummer> */ |
1053 |
case HOOK_RFC_CASECMP: |
1054 |
if (func == NULL) { |
1055 |
rfc_casecmp = egg_strcasecmp; |
1056 |
rfc_ncasecmp = |
1057 |
(int (*)(const char *, const char *, int)) egg_strncasecmp; |
1058 |
rfc_tolower = tolower; |
1059 |
rfc_toupper = toupper; |
1060 |
} else { |
1061 |
rfc_casecmp = _rfc_casecmp; |
1062 |
rfc_ncasecmp = _rfc_ncasecmp; |
1063 |
rfc_tolower = _rfc_tolower; |
1064 |
rfc_toupper = _rfc_toupper; |
1065 |
} |
1066 |
break; |
1067 |
case HOOK_MATCH_NOTEREJ: |
1068 |
if (match_noterej == false_func) |
1069 |
match_noterej = (int (*)(struct userrec *, char *)) func; |
1070 |
break; |
1071 |
case HOOK_DNS_HOSTBYIP: |
1072 |
if (dns_hostbyip == block_dns_hostbyip) |
1073 |
dns_hostbyip = (void (*)(sockname_t *)) func; |
1074 |
break; |
1075 |
case HOOK_DNS_IPBYHOST: |
1076 |
if (dns_ipbyhost == block_dns_ipbyhost) |
1077 |
dns_ipbyhost = (void (*)(char *)) func; |
1078 |
break; |
1079 |
} |
1080 |
} |
1081 |
|
1082 |
void del_hook(int hook_num, Function func) |
1083 |
{ |
1084 |
if (hook_num < REAL_HOOKS) { |
1085 |
struct hook_entry *p = hook_list[hook_num], *o = NULL; |
1086 |
|
1087 |
while (p) { |
1088 |
if (p->func == func) { |
1089 |
if (o == NULL) |
1090 |
hook_list[hook_num] = p->next; |
1091 |
else |
1092 |
o->next = p->next; |
1093 |
nfree(p); |
1094 |
break; |
1095 |
} |
1096 |
o = p; |
1097 |
p = p->next; |
1098 |
} |
1099 |
} else |
1100 |
switch (hook_num) { |
1101 |
case HOOK_ENCRYPT_PASS: |
1102 |
if (encrypt_pass == (void (*)(char *, char *)) func) |
1103 |
encrypt_pass = (void (*)(char *, char *)) null_func; |
1104 |
break; |
1105 |
case HOOK_ENCRYPT_STRING: |
1106 |
if (encrypt_string == (char *(*)(char *, char *)) func) |
1107 |
encrypt_string = (char *(*)(char *, char *)) null_func; |
1108 |
break; |
1109 |
case HOOK_DECRYPT_STRING: |
1110 |
if (decrypt_string == (char *(*)(char *, char *)) func) |
1111 |
decrypt_string = (char *(*)(char *, char *)) null_func; |
1112 |
break; |
1113 |
case HOOK_SHAREOUT: |
1114 |
if (shareout == (void (*)()) func) |
1115 |
shareout = null_func; |
1116 |
break; |
1117 |
case HOOK_SHAREIN: |
1118 |
if (sharein == (void (*)(int, char *)) func) |
1119 |
sharein = null_share; |
1120 |
break; |
1121 |
case HOOK_QSERV: |
1122 |
if (qserver == (void (*)(int, char *, int)) func) |
1123 |
qserver = null_func; |
1124 |
break; |
1125 |
case HOOK_ADD_MODE: |
1126 |
if (add_mode == (void (*)()) func) |
1127 |
add_mode = null_func; |
1128 |
break; |
1129 |
case HOOK_MATCH_NOTEREJ: |
1130 |
if (match_noterej == (int (*)(struct userrec *, char *)) func) |
1131 |
match_noterej = false_func; |
1132 |
break; |
1133 |
case HOOK_DNS_HOSTBYIP: |
1134 |
if (dns_hostbyip == (void (*)(sockname_t *)) func) |
1135 |
dns_hostbyip = block_dns_hostbyip; |
1136 |
break; |
1137 |
case HOOK_DNS_IPBYHOST: |
1138 |
if (dns_ipbyhost == (void (*)(char *)) func) |
1139 |
dns_ipbyhost = block_dns_ipbyhost; |
1140 |
break; |
1141 |
} |
1142 |
} |
1143 |
|
1144 |
int call_hook_cccc(int hooknum, char *a, char *b, char *c, char *d) |
1145 |
{ |
1146 |
struct hook_entry *p, *pn; |
1147 |
int f = 0; |
1148 |
|
1149 |
if (hooknum >= REAL_HOOKS) |
1150 |
return 0; |
1151 |
p = hook_list[hooknum]; |
1152 |
for (p = hook_list[hooknum]; p && !f; p = pn) { |
1153 |
pn = p->next; |
1154 |
f = p->func(a, b, c, d); |
1155 |
} |
1156 |
return f; |
1157 |
} |
1158 |
|
1159 |
void do_module_report(int idx, int details, char *which) |
1160 |
{ |
1161 |
module_entry *p = module_list; |
1162 |
|
1163 |
if (p && !which) |
1164 |
dprintf(idx, _("Loaded module information:\n")); |
1165 |
for (; p; p = p->next) { |
1166 |
if (!which || !egg_strcasecmp(which, p->name)) { |
1167 |
dependancy *d; |
1168 |
|
1169 |
if (details) |
1170 |
dprintf(idx, _(" Module: %s, v %d.%d\n"), p->name ? p->name : "CORE", |
1171 |
p->major, p->minor); |
1172 |
if (details > 1) { |
1173 |
for (d = dependancy_list; d; d = d->next) |
1174 |
if (d->needing == p) |
1175 |
dprintf(idx, _(" requires: %s, v %d.%d\n"), d->needed->name, |
1176 |
d->major, d->minor); |
1177 |
} |
1178 |
if (p->funcs) { |
1179 |
Function f = p->funcs[MODCALL_REPORT]; |
1180 |
|
1181 |
if (f != NULL) |
1182 |
f(idx, details); |
1183 |
} |
1184 |
if (which) |
1185 |
return; |
1186 |
} |
1187 |
} |
1188 |
if (which) |
1189 |
dprintf(idx, _("No such module.\n")); |
1190 |
} |