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construct/modules/m_modules.cc

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/* modules/m_modules.c - module for module loading
*
* Copyright (c) 2016 Charybdis Development Team
* Copyright (c) 2016 Elizabeth Myers <elizabeth@interlinked.me>
* Copyright (c) 2016 Jason Volk <jason@zemos.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
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using namespace ircd;
static void m_modlist(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void mo_modload(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void mo_modreload(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void mo_modunload(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void mo_modrestart(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void me_modload(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void me_modlist(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void me_modreload(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void me_modunload(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void me_modrestart(struct MsgBuf *, client::client &, client::client &, int, const char **);
static void do_modload(client::client &, const std::string &);
static void do_modunload(client::client &, const std::string &);
static void do_modreload(client::client &, const std::string &);
static void do_modlist(client::client &, const std::string &);
static void do_modrestart(client::client &);
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/*
struct Message modload_msgtab = {
"MODLOAD", 0, 0, 0, 0,
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_modload, 2}, {mo_modload, 2}}
};
struct Message modunload_msgtab = {
"MODUNLOAD", 0, 0, 0, 0,
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_modunload, 2}, {mo_modunload, 2}}
};
struct Message modreload_msgtab = {
"MODRELOAD", 0, 0, 0, 0,
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_modreload, 2}, {mo_modreload, 2}}
};
struct Message modlist_msgtab = {
"MODLIST", 0, 0, 0, 0,
{mg_unreg, {m_modlist, 0}, mg_ignore, mg_ignore, {me_modlist, 0}, {m_modlist, 0}}
};
struct Message modrestart_msgtab = {
"MODRESTART", 0, 0, 0, 0,
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_modrestart, 0}, {mo_modrestart, 0}}
};
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*/
mapi::header IRCD_MODULE
{
"Provides module management commands",
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mapi::NO_FLAGS
//&modload_msgtab,
//&modunload_msgtab,
//&modreload_msgtab,
//&modlist_msgtab,
//&modrestart_msgtab,
};
// load a module ..
static void
mo_modload(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
if(!IsOperAdmin(&source))
{
sendto_one(&source, form_str(ERR_NOPRIVS),
me.name, source.name, "admin");
return;
}
if(parc > 2)
{
sendto_match_servs(&source, parv[2], CAP_ENCAP, NOCAPS,
"ENCAP %s MODLOAD %s", parv[2], parv[1]);
if(match(parv[2], me.name) == 0)
return;
}
do_modload(source, parv[1]);
}
static void
me_modload(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
if(!find_shared_conf(source.username, source.host, source.servptr->name, SHARED_MODULE))
{
sendto_one_notice(&source, ":*** You do not have an appropriate shared block "
"to load modules on this server.");
return;
}
do_modload(source, parv[1]);
}
// unload a module ..
static void
mo_modunload(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
if(!IsOperAdmin(&source))
{
sendto_one(&source, form_str(ERR_NOPRIVS),
me.name, source.name, "admin");
return;
}
if(parc > 2)
{
sendto_match_servs(&source, parv[2], CAP_ENCAP, NOCAPS,
"ENCAP %s MODUNLOAD %s", parv[2], parv[1]);
if(match(parv[2], me.name) == 0)
return;
}
do_modunload(source, parv[1]);
}
static void
me_modunload(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
if(!find_shared_conf(source.username, source.host, source.servptr->name, SHARED_MODULE))
{
sendto_one_notice(&source, ":*** You do not have an appropriate shared block "
"to load modules on this server.");
return;
}
do_modunload(source, parv[1]);
}
// unload and load in one!
static void
mo_modreload(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
if(!IsOperAdmin(&source))
{
sendto_one(&source, form_str(ERR_NOPRIVS),
me.name, source.name, "admin");
return;
}
if(parc > 2)
{
sendto_match_servs(&source, parv[2], CAP_ENCAP, NOCAPS,
"ENCAP %s MODRELOAD %s", parv[2], parv[1]);
if(match(parv[2], me.name) == 0)
return;
}
do_modreload(source, parv[1]);
}
static void
me_modreload(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
if(!find_shared_conf(source.username, source.host, source.servptr->name, SHARED_MODULE))
{
sendto_one_notice(&source, ":*** You do not have an appropriate shared block "
"to load modules on this server.");
return;
}
do_modreload(source, parv[1]);
}
// list modules ..
static void
m_modlist(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
if(parc > 2)
{
sendto_match_servs(&source, parv[2], CAP_ENCAP, NOCAPS,
"ENCAP %s MODLIST %s", parv[2], parv[1]);
if(match(parv[2], me.name) == 0)
return;
}
do_modlist(source, parc > 1 ? parv[1] : NULL);
}
static void
me_modlist(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
do_modlist(source, parv[1]);
}
// unload and reload all modules
static void
mo_modrestart(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
if(!IsOperAdmin(&source))
{
sendto_one(&source, form_str(ERR_NOPRIVS),
me.name, source.name, "admin");
return;
}
if(parc > 1)
{
sendto_match_servs(&source, parv[1], CAP_ENCAP, NOCAPS,
"ENCAP %s MODRESTART", parv[1]);
if(match(parv[1], me.name) == 0)
return;
}
do_modrestart(source);
}
static void
me_modrestart(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char **parv)
{
if(!find_shared_conf(source.username, source.host, source.servptr->name, SHARED_MODULE))
{
sendto_one_notice(&source, ":*** You do not have an appropriate shared block "
"to load modules on this server.");
return;
}
do_modrestart(source);
}
static void
do_modload(client::client &source,
const std::string &name)
try
{
mods::load(name);
}
catch(const std::exception &e)
{
sendto_one_notice(&source, "%s", e.what());
}
static void
do_modunload(client::client &source,
const std::string &name)
try
{
if(!mods::loaded(name))
{
sendto_one_notice(&source, ":%s is not loaded", name.c_str());
return;
}
mods::unload(name);
}
catch(const std::exception &e)
{
sendto_one_notice(&source, "%s", e.what());
}
static void
do_modreload(client::client &source,
const std::string &name)
{
}
static void
do_modrestart(client::client &source)
{
/*
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unsigned int modnum = 0;
rb_dlink_node *ptr, *nptr;
sendto_one_notice(&source, ":Reloading all modules");
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RB_DLINK_FOREACH_SAFE(ptr, nptr, module_list.head)
{
struct module *mod = (module *)ptr->data;
if(!unload_one_module(mod->name, false))
{
ilog(L_MAIN, "Module Restart: %s was not unloaded %s",
mod->name,
mod->core? "(core module)" : "");
if(!mod->core)
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sendto_realops_snomask(sno::GENERAL, L_NETWIDE,
"Module Restart: %s failed to unload",
mod->name);
continue;
}
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modnum++;
}
load_all_modules(false);
rehash(false);
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sendto_realops_snomask(sno::GENERAL, L_NETWIDE,
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"Module Restart: %u modules unloaded, %lu modules loaded",
modnum, rb_dlink_list_length(&module_list));
ilog(L_MAIN, "Module Restart: %u modules unloaded, %lu modules loaded", modnum, rb_dlink_list_length(&module_list));
*/
}
static void
do_modlist(client::client &source, const std::string &pattern)
{
for(const auto &pit : mods::loaded())
{
const auto &mod(*pit.second);
if(pattern.empty() || match(pattern, name(mod)))
{
sendto_one(&source, form_str(RPL_MODLIST),
me.name,
source.name,
name(mod).c_str(),
ulong(0),
"*",
"*",
"*", //version(mod),
desc(mod));
}
}
sendto_one(&source, form_str(RPL_ENDOFMODLIST),
me.name,
source.name);
}