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/* |
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* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
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* |
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* Copyright (c) 1997-2014 ircd-hybrid development team |
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* Copyright (c) 1997-2018 ircd-hybrid development team |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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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 |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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*/ |
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struct ClassItem * |
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class_make(void) |
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{ |
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struct ClassItem *class = MyCalloc(sizeof(*class)); |
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struct ClassItem *class = xcalloc(sizeof(*class)); |
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|
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class->active = 1; |
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class->con_freq = DEFAULT_CONNECTFREQUENCY; |
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} |
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|
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void |
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class_free(struct ClassItem *class) |
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class_free(struct ClassItem *const class) |
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{ |
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assert(class != class_default); |
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assert(class->active == 0); |
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assert(class->ref_count == 0); |
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|
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dlinkDelete(&class->node, &class_list); |
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MyFree(class->name); |
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MyFree(class); |
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xfree(class->name); |
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xfree(class); |
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} |
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|
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void |
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class_init(void) |
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{ |
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(class_default = class_make())->name = xstrdup("default"); |
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class_default = class_make(); |
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class_default->name = xstrdup("default"); |
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} |
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struct ClassItem * |
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get_class_ptr(const dlink_list *const list) |
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const struct ClassItem * |
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class_get_ptr(const dlink_list *const list) |
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{ |
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const dlink_node *ptr = NULL; |
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const dlink_node *const node = list->head; |
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|
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if ((ptr = list->head)) |
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if (node) |
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{ |
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const struct MaskItem *conf = ptr->data; |
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const struct MaskItem *const conf = node->data; |
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|
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assert(conf->class); |
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assert(conf->type & (CONF_OPER | CONF_CLIENT | CONF_SERVER)); |
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const char * |
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get_client_class(const dlink_list *const list) |
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{ |
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const dlink_node *ptr = NULL; |
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|
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if ((ptr = list->head)) |
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{ |
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const struct MaskItem *conf = ptr->data; |
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|
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assert(conf->class); |
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assert(conf->type & (CONF_OPER | CONF_CLIENT | CONF_SERVER)); |
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|
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return conf->class->name; |
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} |
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|
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return class_default->name; |
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return class_get_ptr(list)->name; |
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} |
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|
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unsigned int |
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get_client_ping(const dlink_list *const list) |
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{ |
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const dlink_node *ptr = NULL; |
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|
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if ((ptr = list->head)) |
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{ |
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const struct MaskItem *conf = ptr->data; |
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|
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assert(conf->class); |
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assert(conf->type & (CONF_OPER | CONF_CLIENT | CONF_SERVER)); |
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|
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return conf->class->ping_freq; |
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} |
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|
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return class_default->ping_freq; |
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return class_get_ptr(list)->ping_freq; |
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} |
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unsigned int |
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get_sendq(const dlink_list *const list) |
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{ |
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const dlink_node *ptr = NULL; |
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|
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if ((ptr = list->head)) |
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{ |
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const struct MaskItem *conf = ptr->data; |
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|
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assert(conf->class); |
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assert(conf->type & (CONF_OPER | CONF_CLIENT | CONF_SERVER)); |
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|
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return conf->class->max_sendq; |
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} |
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|
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return class_default->max_sendq; |
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return class_get_ptr(list)->max_sendq; |
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} |
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|
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unsigned int |
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get_recvq(const dlink_list *const list) |
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{ |
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const dlink_node *ptr = NULL; |
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|
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if ((ptr = list->head)) |
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{ |
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const struct MaskItem *conf = ptr->data; |
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|
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assert(conf->class); |
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assert(conf->type & (CONF_OPER | CONF_CLIENT | CONF_SERVER)); |
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|
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return conf->class->max_recvq; |
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} |
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|
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return class_default->max_recvq; |
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return class_get_ptr(list)->max_recvq; |
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} |
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/* |
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struct ClassItem * |
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class_find(const char *name, int active) |
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{ |
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dlink_node *ptr = NULL; |
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dlink_node *node; |
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|
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DLINK_FOREACH(ptr, class_list.head) |
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DLINK_FOREACH(node, class_list.head) |
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{ |
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struct ClassItem *class = ptr->data; |
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struct ClassItem *class = node->data; |
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|
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if (!irccmp(class->name, name)) |
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return active && !class->active ? NULL : class; |
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void |
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class_mark_for_deletion(void) |
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{ |
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dlink_node *ptr = NULL; |
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dlink_node *node; |
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|
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DLINK_FOREACH_PREV(ptr, class_list.tail->prev) |
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((struct ClassItem *)ptr->data)->active = 0; |
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DLINK_FOREACH_PREV(node, class_list.tail->prev) |
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((struct ClassItem *)node->data)->active = 0; |
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} |
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void |
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class_delete_marked(void) |
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{ |
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dlink_node *ptr = NULL, *ptr_next = NULL; |
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dlink_node *node, *node_next; |
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|
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DLINK_FOREACH_SAFE(ptr, ptr_next, class_list.head) |
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DLINK_FOREACH_SAFE(node, node_next, class_list.head) |
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{ |
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struct ClassItem *class = ptr->data; |
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struct ClassItem *class = node->data; |
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|
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if (!class->active && !class->ref_count) |
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if (class->active == 0 && class->ref_count == 0) |
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{ |
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destroy_cidr_class(class); |
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class_free(class); |
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int |
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cidr_limit_reached(int over_rule, struct irc_ssaddr *ip, struct ClassItem *class) |
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{ |
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dlink_node *ptr = NULL; |
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struct CidrItem *cidr = NULL; |
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dlink_node *node; |
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if (class->number_per_cidr == 0) |
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return 0; |
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if (class->cidr_bitlen_ipv4 == 0) |
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return 0; |
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DLINK_FOREACH(ptr, class->list_ipv4.head) |
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DLINK_FOREACH(node, class->list_ipv4.head) |
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{ |
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cidr = ptr->data; |
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struct CidrItem *cidr = node->data; |
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if (match_ipv4(ip, &cidr->mask, class->cidr_bitlen_ipv4)) |
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{ |
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} |
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} |
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cidr = MyCalloc(sizeof(struct CidrItem)); |
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struct CidrItem *cidr = xcalloc(sizeof(*cidr)); |
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cidr->number_on_this_cidr = 1; |
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cidr->mask = *ip; |
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mask_addr(&cidr->mask, class->cidr_bitlen_ipv4); |
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} |
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else if (class->cidr_bitlen_ipv6 > 0) |
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{ |
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DLINK_FOREACH(ptr, class->list_ipv6.head) |
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DLINK_FOREACH(node, class->list_ipv6.head) |
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{ |
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cidr = ptr->data; |
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struct CidrItem *cidr = node->data; |
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if (match_ipv6(ip, &cidr->mask, class->cidr_bitlen_ipv6)) |
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{ |
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} |
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} |
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cidr = MyCalloc(sizeof(struct CidrItem)); |
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struct CidrItem *cidr = xcalloc(sizeof(*cidr)); |
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cidr->number_on_this_cidr = 1; |
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cidr->mask = *ip; |
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mask_addr(&cidr->mask, class->cidr_bitlen_ipv6); |
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void |
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remove_from_cidr_check(struct irc_ssaddr *ip, struct ClassItem *aclass) |
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{ |
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dlink_node *ptr = NULL; |
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dlink_node *next_ptr = NULL; |
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struct CidrItem *cidr; |
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dlink_node *node, *node_next; |
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|
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if (aclass->number_per_cidr == 0) |
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return; |
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if (aclass->cidr_bitlen_ipv4 == 0) |
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return; |
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|
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DLINK_FOREACH_SAFE(ptr, next_ptr, aclass->list_ipv4.head) |
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DLINK_FOREACH_SAFE(node, node_next, aclass->list_ipv4.head) |
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{ |
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cidr = ptr->data; |
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struct CidrItem *cidr = node->data; |
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|
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if (match_ipv4(ip, &cidr->mask, aclass->cidr_bitlen_ipv4)) |
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{ |
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if (cidr->number_on_this_cidr == 0) |
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{ |
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dlinkDelete(ptr, &aclass->list_ipv4); |
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MyFree(cidr); |
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dlinkDelete(node, &aclass->list_ipv4); |
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xfree(cidr); |
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return; |
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} |
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} |
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} |
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else if (aclass->cidr_bitlen_ipv6 > 0) |
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{ |
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DLINK_FOREACH_SAFE(ptr, next_ptr, aclass->list_ipv6.head) |
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DLINK_FOREACH_SAFE(node, node_next, aclass->list_ipv6.head) |
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{ |
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cidr = ptr->data; |
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struct CidrItem *cidr = node->data; |
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|
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if (match_ipv6(ip, &cidr->mask, aclass->cidr_bitlen_ipv6)) |
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{ |
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|
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if (cidr->number_on_this_cidr == 0) |
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{ |
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dlinkDelete(ptr, &aclass->list_ipv6); |
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MyFree(cidr); |
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dlinkDelete(node, &aclass->list_ipv6); |
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xfree(cidr); |
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return; |
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} |
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} |
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void |
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rebuild_cidr_list(struct ClassItem *class) |
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{ |
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dlink_node *ptr = NULL; |
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dlink_node *node; |
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|
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destroy_cidr_class(class); |
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|
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DLINK_FOREACH(ptr, local_client_list.head) |
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DLINK_FOREACH(node, local_client_list.head) |
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{ |
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struct Client *client_p = ptr->data; |
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struct MaskItem *conf = client_p->localClient->confs.tail->data; |
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struct Client *client_p = node->data; |
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struct MaskItem *conf = client_p->connection->confs.tail->data; |
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|
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if (conf && (conf->type == CONF_CLIENT)) |
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if (conf->class == class) |
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cidr_limit_reached(1, &client_p->localClient->ip, class); |
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cidr_limit_reached(1, &client_p->connection->ip, class); |
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} |
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} |
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|
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static void |
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destroy_cidr_list(dlink_list *list) |
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{ |
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dlink_node *ptr = NULL, *ptr_next = NULL; |
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|
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DLINK_FOREACH_SAFE(ptr, ptr_next, list->head) |
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while (list->head) |
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{ |
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dlinkDelete(ptr, list); |
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MyFree(ptr->data); |
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struct CidrItem *cidr = list->head->data; |
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dlinkDelete(&cidr->node, list); |
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xfree(cidr); |
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} |
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} |
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