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Add propagated xlines, like klines.

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This commit is contained in:
Jilles Tjoelker 2010-03-16 23:05:50 +01:00
parent 34e02db66b
commit 3cbbfb2556
7 changed files with 149 additions and 44 deletions
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8
doc/reference.conf
View file

@ -1030,10 +1030,10 @@ general {
*/
warn_no_nline = yes;
/* use propagated bans: KLINE sets fully propagated bans. That means
* the klines are part of the netburst and restarted/split servers
* will get them, but they will not apply to 3.2 and older servers
* at all.
/* use propagated bans: KLINE and XLINE set fully propagated bans.
* That means the bans are part of the netburst and restarted/split
* servers will get them, but they will not apply to 3.2 and older
* servers at all.
*/
use_propagated_bans = yes;

2
help/opers/stats
View file

@ -36,7 +36,7 @@ X f - Shows File Descriptors
* U - Shows shared blocks (Old U: lines)
u - Shows server uptime
^ v - Shows connected servers and brief status information
* x - Shows temporary gecos bans
* x - Shows temporary and global gecos bans
* X - Shows gecos bans (Old X: lines)
^ y - Shows connection classes (Old Y: lines)
* z - Shows memory stats

1
include/s_conf.h
View file

@ -327,6 +327,7 @@ extern void free_conf(struct ConfItem *);
extern rb_dlink_node *find_prop_ban(unsigned int status, const char *user, const char *host);
extern void deactivate_conf(struct ConfItem *, rb_dlink_node *);
extern void replace_old_ban(struct ConfItem *);
extern void read_conf_files(int cold);

25
modules/core/m_ban.c
View file

@ -89,6 +89,10 @@ ms_ban(struct Client *client_p, struct Client *source_p, int parc, const char *p
ntype = CONF_KILL;
stype = "K-Line";
break;
case 'X':
ntype = CONF_XLINE;
stype = "X-Line";
break;
default:
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
"Unknown BAN type %s from %s",
@ -199,10 +203,12 @@ ms_ban(struct Client *client_p, struct Client *source_p, int parc, const char *p
aconf->user ? "@" : "",
aconf->host,
parv[parc - 1]);
ilog(L_KLINE, "%s %s %d %s %s %s", parv[1],
ilog(L_KLINE, "%s %s %d %s%s%s %s", parv[1],
IsServer(source_p) ? source_p->name : get_oper_name(source_p),
(hold - rb_current_time()) / 60,
aconf->user, aconf->host,
aconf->user ? aconf->user : "",
aconf->user ? " " : "",
aconf->host,
parv[parc - 1]);
aconf->status &= ~CONF_ILLEGAL;
}
@ -217,9 +223,11 @@ ms_ban(struct Client *client_p, struct Client *source_p, int parc, const char *p
aconf->host,
strcmp(parv[7], "*") ? " on behalf of " : "",
strcmp(parv[7], "*") ? parv[7] : "");
ilog(L_KLINE, "U%s %s %s %s", parv[1],
ilog(L_KLINE, "U%s %s %s%s %s", parv[1],
IsServer(source_p) ? source_p->name : get_oper_name(source_p),
aconf->user, aconf->host);
aconf->user ? aconf->user : "",
aconf->user ? " " : "",
aconf->host);
}
switch (ntype)
{
@ -244,6 +252,15 @@ ms_ban(struct Client *client_p, struct Client *source_p, int parc, const char *p
check_klines();
}
break;
case CONF_XLINE:
if (aconf->status & CONF_ILLEGAL)
remove_reject_mask(aconf->host, NULL);
else
{
rb_dlinkAddAlloc(aconf, &xline_conf_list);
check_xlines();
}
break;
}
sendto_server(client_p, NULL, CAP_BAN|CAP_TS6, NOCAPS,
":%s BAN %s %s %s %s %s %s %s :%s",

23
modules/m_kline.c
View file

@ -584,32 +584,11 @@ static void
apply_prop_kline(struct Client *source_p, struct ConfItem *aconf,
const char *reason, const char *oper_reason, int tkline_time)
{
rb_dlink_node *ptr;
struct ConfItem *oldconf;
aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
aconf->hold = rb_current_time() + tkline_time;
aconf->lifetime = aconf->hold;
ptr = find_prop_ban(aconf->status, aconf->user, aconf->host);
if(ptr != NULL)
{
oldconf = ptr->data;
/* Remember at least as long as the old one. */
if(oldconf->lifetime > aconf->lifetime)
aconf->lifetime = oldconf->lifetime;
/* Force creation time to increase. */
if(oldconf->created >= aconf->created)
aconf->created = oldconf->created + 1;
/* Leave at least one second of validity. */
if(aconf->hold <= aconf->created)
aconf->hold = aconf->created + 1;
if(aconf->lifetime < aconf->hold)
aconf->lifetime = aconf->hold;
/* Tell deactivate_conf() to destroy it. */
oldconf->lifetime = rb_current_time();
deactivate_conf(oldconf, ptr);
}
replace_old_ban(aconf);
rb_dlinkAddAlloc(aconf, &prop_bans);
add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf);

104
modules/m_xline.c
View file

@ -79,7 +79,7 @@ DECLARE_MODULE_AV1(xline, NULL, NULL, xline_clist, NULL, NULL, "$Revision$");
static int valid_xline(struct Client *, const char *, const char *);
static void apply_xline(struct Client *client_p, const char *name,
const char *reason, int temp_time);
const char *reason, int temp_time, int propagated);
static void propagate_xline(struct Client *source_p, const char *target,
int temp_time, const char *name, const char *type, const char *reason);
static void cluster_xline(struct Client *source_p, int temp_time,
@ -89,7 +89,8 @@ static void handle_remote_xline(struct Client *source_p, int temp_time,
const char *name, const char *reason);
static void handle_remote_unxline(struct Client *source_p, const char *name);
static void remove_xline(struct Client *source_p, const char *name);
static void remove_xline(struct Client *source_p, const char *name,
int propagated);
/* m_xline()
@ -107,6 +108,7 @@ mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char
const char *target_server = NULL;
int temp_time;
int loc = 1;
int propagated = ConfigFileEntry.use_propagated_bans;
if(!IsOperXline(source_p))
{
@ -152,8 +154,11 @@ mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char
if(!match(target_server, me.name))
return 0;
/* Set as local-only. */
propagated = 0;
}
else if(rb_dlink_list_length(&cluster_conf_list) > 0)
else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
cluster_xline(source_p, temp_time, name, reason);
if((aconf = find_xline_mask(name)) != NULL)
@ -166,7 +171,13 @@ mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char
if(!valid_xline(source_p, name, reason))
return 0;
apply_xline(source_p, name, reason, temp_time);
if(propagated && temp_time == 0)
{
sendto_one_notice(source_p, ":Cannot set a permanent global ban");
return 0;
}
apply_xline(source_p, name, reason, temp_time, propagated);
return 0;
}
@ -226,7 +237,7 @@ handle_remote_xline(struct Client *source_p, int temp_time, const char *name, co
return;
}
apply_xline(source_p, name, reason, temp_time);
apply_xline(source_p, name, reason, temp_time, 0);
}
/* valid_xline()
@ -270,8 +281,9 @@ valid_xline(struct Client *source_p, const char *gecos, const char *reason)
}
void
apply_xline(struct Client *source_p, const char *name, const char *reason, int temp_time)
apply_xline(struct Client *source_p, const char *name, const char *reason, int temp_time, int propagated)
{
rb_dlink_node *ptr;
struct ConfItem *aconf;
aconf = make_conf();
@ -283,7 +295,32 @@ apply_xline(struct Client *source_p, const char *name, const char *reason, int t
aconf->info.oper = operhash_add(get_oper_name(source_p));
if(temp_time > 0)
if(propagated)
{
aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
aconf->hold = rb_current_time() + temp_time;
aconf->lifetime = aconf->hold;
replace_old_ban(aconf);
rb_dlinkAddAlloc(aconf, &prop_bans);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s added global %d min. X-Line for [%s] [%s]",
get_oper_name(source_p), temp_time / 60,
aconf->host, reason);
ilog(L_KLINE, "X %s %d %s %s",
get_oper_name(source_p), temp_time / 60, name, reason);
sendto_one_notice(source_p, ":Added global %d min. X-Line [%s]",
temp_time / 60, aconf->host);
sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
":%s BAN X * %s %lu %d %d * :%s",
source_p->id, aconf->host,
(unsigned long)aconf->created,
(int)(aconf->hold - aconf->created),
(int)(aconf->lifetime - aconf->created),
reason);
}
else if(temp_time > 0)
{
aconf->hold = rb_current_time() + temp_time;
@ -366,6 +403,8 @@ cluster_xline(struct Client *source_p, int temp_time, const char *name, const ch
static int
mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
int propagated = 1;
if(!IsOperXline(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
@ -385,11 +424,12 @@ mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const cha
if(match(parv[3], me.name) == 0)
return 0;
}
else if(rb_dlink_list_length(&cluster_conf_list))
cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", parv[1]);
remove_xline(source_p, parv[1]);
propagated = 0;
}
/* cluster{} moved to remove_xline */
remove_xline(source_p, parv[1], propagated);
return 0;
}
@ -434,13 +474,13 @@ handle_remote_unxline(struct Client *source_p, const char *name)
source_p->servptr->name, SHARED_UNXLINE))
return;
remove_xline(source_p, name);
remove_xline(source_p, name, 0);
return;
}
static void
remove_xline(struct Client *source_p, const char *name)
remove_xline(struct Client *source_p, const char *name, int propagated)
{
struct ConfItem *aconf;
rb_dlink_node *ptr;
@ -451,6 +491,41 @@ remove_xline(struct Client *source_p, const char *name)
if(!irccmp(aconf->host, name))
{
if(aconf->lifetime)
{
if(!propagated)
{
sendto_one_notice(source_p, ":Cannot remove global X-Line %s on specific servers", name);
return;
}
ptr = rb_dlinkFind(aconf, &prop_bans);
if(ptr == NULL)
return;
sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s has removed the global X-Line for: [%s]",
get_oper_name(source_p), name);
ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
if(aconf->created < rb_current_time())
aconf->created = rb_current_time();
else
aconf->created++;
aconf->hold = aconf->created;
operhash_delete(aconf->info.oper);
aconf->info.oper = operhash_add(get_oper_name(source_p));
aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
":%s BAN X * %s %lu %d %d * :*",
source_p->id, aconf->host,
(unsigned long)aconf->created,
0,
(int)(aconf->lifetime - aconf->created));
remove_reject_mask(aconf->host, NULL);
deactivate_conf(aconf, ptr);
return;
}
else if(MyClient(source_p) && rb_dlink_list_length(&cluster_conf_list))
cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
if(!aconf->hold)
{
bandb_del(BANDB_XLINE, aconf->host, NULL);
@ -477,6 +552,9 @@ remove_xline(struct Client *source_p, const char *name)
}
}
if(MyClient(source_p) && rb_dlink_list_length(&cluster_conf_list))
cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
sendto_one_notice(source_p, ":No X-Line for %s", name);
return;

30
src/s_conf.c
View file

@ -1064,6 +1064,36 @@ deactivate_conf(struct ConfItem *aconf, rb_dlink_node *ptr)
}
}
/* Given a new ban ConfItem, look for any matching ban, update the lifetime
* from it and delete it.
*/
void
replace_old_ban(struct ConfItem *aconf)
{
rb_dlink_node *ptr;
struct ConfItem *oldconf;
ptr = find_prop_ban(aconf->status, aconf->user, aconf->host);
if(ptr != NULL)
{
oldconf = ptr->data;
/* Remember at least as long as the old one. */
if(oldconf->lifetime > aconf->lifetime)
aconf->lifetime = oldconf->lifetime;
/* Force creation time to increase. */
if(oldconf->created >= aconf->created)
aconf->created = oldconf->created + 1;
/* Leave at least one second of validity. */
if(aconf->hold <= aconf->created)
aconf->hold = aconf->created + 1;
if(aconf->lifetime < aconf->hold)
aconf->lifetime = aconf->hold;
/* Tell deactivate_conf() to destroy it. */
oldconf->lifetime = rb_current_time();
deactivate_conf(oldconf, ptr);
}
}
static void
expire_prop_bans(void *list)
{