mirror of
https://github.com/matrix-construct/construct
synced 2024-11-25 16:22:35 +01:00
LIST: use new sendq system to reimplement SAFELIST differently.
This is more like ratbox, but with the same filtering etc. features, and also using the hard sendq limit.
This commit is contained in:
William Pitcock
parent
9a5958119c
commit
e835592cfc
1 changed files with 19 additions and 130 deletions
149
modules/m_list.c
149
modules/m_list.c
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@ -52,8 +52,6 @@
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#include "s_assert.h"
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#include "logger.h"
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static rb_dlink_list safelisting_clients = { NULL, NULL, 0 };
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static int _modinit(void);
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static void _moddeinit(void);
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@ -62,12 +60,8 @@ static int mo_list(struct Client *, struct Client *, int, const char **);
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static void list_one_channel(struct Client *source_p, struct Channel *chptr, int visible);
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static void safelist_check_cliexit(hook_data_client_exit * hdata);
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static void safelist_client_instantiate(struct Client *, struct ListClient *);
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static void safelist_client_release(struct Client *);
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static void safelist_one_channel(struct Client *source_p, struct Channel *chptr);
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static void safelist_iterate_client(struct Client *source_p);
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static void safelist_iterate_clients(void *unused);
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static void safelist_channel_named(struct Client *source_p, const char *name, int operspy);
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struct Message list_msgtab = {
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@ -77,19 +71,10 @@ struct Message list_msgtab = {
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mapi_clist_av1 list_clist[] = { &list_msgtab, NULL };
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mapi_hfn_list_av1 list_hfnlist[] = {
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{"client_exit", (hookfn) safelist_check_cliexit},
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{NULL, NULL}
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};
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DECLARE_MODULE_AV1(list, _modinit, _moddeinit, list_clist, NULL, list_hfnlist, "$Revision: 3372 $");
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static struct ev_entry *iterate_clients_ev = NULL;
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DECLARE_MODULE_AV1(list, _modinit, _moddeinit, list_clist, NULL, NULL, "$Revision: 3372 $");
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static int _modinit(void)
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{
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iterate_clients_ev = rb_event_add("safelist_iterate_clients", safelist_iterate_clients, NULL, 3);
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/* ELIST=[tokens]:
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*
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* M = mask search
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@ -106,23 +91,10 @@ static int _modinit(void)
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static void _moddeinit(void)
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{
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rb_event_delete(iterate_clients_ev);
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delete_isupport("SAFELIST");
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delete_isupport("ELIST");
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}
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static void safelist_check_cliexit(hook_data_client_exit * hdata)
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{
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/* Cancel the safelist request if we are disconnecting
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* from the server. That way it doesn't core. :P --nenolod
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*/
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if (MyClient(hdata->target) && hdata->target->localClient->safelist_data != NULL)
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{
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safelist_client_release(hdata->target);
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}
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}
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/* m_list()
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* parv[1] = channel
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*
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@ -133,13 +105,6 @@ static int m_list(struct Client *client_p, struct Client *source_p, int parc, co
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{
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static time_t last_used = 0L;
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if (source_p->localClient->safelist_data != NULL)
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{
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sendto_one_notice(source_p, ":/LIST aborted");
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safelist_client_release(source_p);
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return 0;
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}
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if (parc < 2 || !IsChannelName(parv[1]))
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{
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/* pace this due to the sheer traffic involved */
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@ -166,13 +131,11 @@ static int mo_list(struct Client *client_p, struct Client *source_p, int parc, c
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char *args = NULL;
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int i;
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int operspy = 0;
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int sendq_limit = get_sendq_hard(client_p);
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rb_dlink_node *ptr;
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if (source_p->localClient->safelist_data != NULL)
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{
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sendto_one_notice(source_p, ":/LIST aborted");
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safelist_client_release(source_p);
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return 0;
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}
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sendq_limit /= 10;
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sendq_limit *= 9;
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if (parc > 1)
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{
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@ -284,7 +247,20 @@ static int mo_list(struct Client *client_p, struct Client *source_p, int parc, c
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}
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}
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safelist_client_instantiate(source_p, params);
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sendto_one(client_p, form_str(RPL_LISTSTART), me.name, client_p->name);
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RB_DLINK_FOREACH(ptr, global_channel_list.head)
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{
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safelist_one_channel(client_p, ptr->data);
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if (rb_linebuf_len(&client_p->localClient->buf_sendq) > sendq_limit)
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{
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sendto_one(source_p, form_str(ERR_TOOMANYMATCHES), me.name, source_p->name, "LIST");
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break;
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}
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}
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sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
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return 0;
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}
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@ -331,58 +307,6 @@ static int safelist_sendq_exceeded(struct Client *client_p)
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return NO;
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}
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/*
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* safelist_client_instantiate()
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*
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* inputs - pointer to Client to be listed,
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* pointer to ListClient for params
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* outputs - none
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* side effects - the safelist process begins for a
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* client.
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*
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* Please do not ever call this on a non-local client.
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* If you do, you will get SIGSEGV.
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*/
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static void safelist_client_instantiate(struct Client *client_p, struct ListClient *params)
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{
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s_assert(MyClient(client_p));
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s_assert(params != NULL);
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client_p->localClient->safelist_data = params;
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sendto_one(client_p, form_str(RPL_LISTSTART), me.name, client_p->name);
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/* pop the client onto the queue for processing */
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rb_dlinkAddAlloc(client_p, &safelisting_clients);
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/* give the user some initial data to work with */
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safelist_iterate_client(client_p);
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}
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/*
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* safelist_client_release()
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*
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* inputs - pointer to Client being listed on
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* outputs - none
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* side effects - the client is no longer being
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* listed
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*
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* Please do not ever call this on a non-local client.
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* If you do, you will get SIGSEGV.
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*/
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static void safelist_client_release(struct Client *client_p)
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{
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s_assert(MyClient(client_p));
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rb_dlinkFindDestroy(client_p, &safelisting_clients);
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rb_free(client_p->localClient->safelist_data);
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client_p->localClient->safelist_data = NULL;
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sendto_one(client_p, form_str(RPL_LISTEND), me.name, client_p->name);
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}
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/*
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* safelist_channel_named()
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*
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@ -462,38 +386,3 @@ static void safelist_one_channel(struct Client *source_p, struct Channel *chptr)
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list_one_channel(source_p, chptr, visible);
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}
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/*
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* safelist_iterate_client()
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*
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* inputs - client pointer
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* outputs - none
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* side effects - the client's sendq is filled up again
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*/
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static void safelist_iterate_client(struct Client *source_p)
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{
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rb_dlink_node *ptr;
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int iter;
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for (iter = source_p->localClient->safelist_data->hash_indice; iter < CH_MAX; iter++)
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{
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if (safelist_sendq_exceeded(source_p->from) == YES)
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{
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source_p->localClient->safelist_data->hash_indice = iter;
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return;
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}
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RB_DLINK_FOREACH(ptr, channelTable[iter].head)
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safelist_one_channel(source_p, (struct Channel *) ptr->data);
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}
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safelist_client_release(source_p);
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}
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static void safelist_iterate_clients(void *unused)
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{
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rb_dlink_node *n, *n2;
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RB_DLINK_FOREACH_SAFE(n, n2, safelisting_clients.head)
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safelist_iterate_client((struct Client *)n->data);
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}
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