5 |
* |
* |
6 |
* Copyright (C) 2005-2009 NTT DATA CORPORATION |
* Copyright (C) 2005-2009 NTT DATA CORPORATION |
7 |
* |
* |
8 |
* Version: 1.6.8-pre 2009/05/08 |
* Version: 1.6.8 2009/05/28 |
9 |
* |
* |
10 |
* This file is applicable to both 2.4.30 and 2.6.11 and later. |
* This file is applicable to both 2.4.30 and 2.6.11 and later. |
11 |
* See README.ccs for ChangeLog. |
* See README.ccs for ChangeLog. |
80 |
if (!saved_group_name) |
if (!saved_group_name) |
81 |
return NULL; |
return NULL; |
82 |
entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
83 |
/***** WRITER SECTION START *****/ |
mutex_lock(&ccs_policy_lock); |
84 |
down_write(&ccs_policy_lock); |
list_for_each_entry_rcu(group, &ccs_address_group_list, list) { |
|
list_for_each_entry(group, &ccs_address_group_list, list) { |
|
85 |
if (saved_group_name != group->group_name) |
if (saved_group_name != group->group_name) |
86 |
continue; |
continue; |
87 |
atomic_inc(&group->users); |
atomic_inc(&group->users); |
93 |
entry->group_name = saved_group_name; |
entry->group_name = saved_group_name; |
94 |
saved_group_name = NULL; |
saved_group_name = NULL; |
95 |
atomic_set(&entry->users, 1); |
atomic_set(&entry->users, 1); |
96 |
list_add_tail(&entry->list, &ccs_address_group_list); |
list_add_tail_rcu(&entry->list, &ccs_address_group_list); |
97 |
group = entry; |
group = entry; |
98 |
entry = NULL; |
entry = NULL; |
99 |
error = 0; |
error = 0; |
100 |
} |
} |
101 |
up_write(&ccs_policy_lock); |
mutex_unlock(&ccs_policy_lock); |
|
/***** WRITER SECTION END *****/ |
|
102 |
ccs_put_name(saved_group_name); |
ccs_put_name(saved_group_name); |
103 |
kfree(entry); |
kfree(entry); |
104 |
return !error ? group : NULL; |
return !error ? group : NULL; |
144 |
} |
} |
145 |
if (!is_delete) |
if (!is_delete) |
146 |
entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
147 |
/***** WRITER SECTION START *****/ |
mutex_lock(&ccs_policy_lock); |
148 |
down_write(&ccs_policy_lock); |
list_for_each_entry_rcu(member, &group->address_group_member_list, |
149 |
list_for_each_entry(member, &group->address_group_member_list, list) { |
list) { |
150 |
if (member->is_ipv6 != is_ipv6) |
if (member->is_ipv6 != is_ipv6) |
151 |
continue; |
continue; |
152 |
if (is_ipv6) { |
if (is_ipv6) { |
173 |
entry->min.ipv4 = min_ipv4_address; |
entry->min.ipv4 = min_ipv4_address; |
174 |
entry->max.ipv4 = max_ipv4_address; |
entry->max.ipv4 = max_ipv4_address; |
175 |
} |
} |
176 |
list_add_tail(&entry->list, &group->address_group_member_list); |
list_add_tail_rcu(&entry->list, |
177 |
|
&group->address_group_member_list); |
178 |
entry = NULL; |
entry = NULL; |
179 |
error = 0; |
error = 0; |
180 |
} |
} |
181 |
up_write(&ccs_policy_lock); |
mutex_unlock(&ccs_policy_lock); |
|
/***** WRITER SECTION END *****/ |
|
182 |
out: |
out: |
183 |
ccs_put_ipv6_address(saved_min_address); |
ccs_put_ipv6_address(saved_min_address); |
184 |
ccs_put_ipv6_address(saved_max_address); |
ccs_put_ipv6_address(saved_max_address); |
279 |
struct ccs_address_group_member *member; |
struct ccs_address_group_member *member; |
280 |
const u32 ip = ntohl(*address); |
const u32 ip = ntohl(*address); |
281 |
bool matched = false; |
bool matched = false; |
282 |
list_for_each_entry(member, &group->address_group_member_list, list) { |
list_for_each_entry_rcu(member, &group->address_group_member_list, |
283 |
|
list) { |
284 |
if (member->is_deleted) |
if (member->is_deleted) |
285 |
continue; |
continue; |
286 |
if (member->is_ipv6) { |
if (member->is_ipv6) { |
307 |
* @head: Pointer to "struct ccs_io_buffer". |
* @head: Pointer to "struct ccs_io_buffer". |
308 |
* |
* |
309 |
* Returns true on success, false otherwise. |
* Returns true on success, false otherwise. |
310 |
|
* |
311 |
|
* Caller holds srcu_read_lock(&ccs_ss). |
312 |
*/ |
*/ |
313 |
bool ccs_read_address_group_policy(struct ccs_io_buffer *head) |
bool ccs_read_address_group_policy(struct ccs_io_buffer *head) |
314 |
{ |
{ |
315 |
struct list_head *gpos; |
struct list_head *gpos; |
316 |
struct list_head *mpos; |
struct list_head *mpos; |
317 |
bool done = true; |
bool done = true; |
318 |
/***** READER SECTION START *****/ |
list_for_each_cookie(gpos, head->read_var1, &ccs_address_group_list) { |
|
down_read(&ccs_policy_lock); |
|
|
list_for_each_cookie(gpos, head->read_var1.u.list, |
|
|
&ccs_address_group_list) { |
|
319 |
struct ccs_address_group_entry *group; |
struct ccs_address_group_entry *group; |
320 |
group = list_entry(gpos, struct ccs_address_group_entry, list); |
group = list_entry(gpos, struct ccs_address_group_entry, list); |
321 |
list_for_each_cookie(mpos, head->read_var2.u.list, |
list_for_each_cookie(mpos, head->read_var2, |
322 |
&group->address_group_member_list) { |
&group->address_group_member_list) { |
323 |
char buf[128]; |
char buf[128]; |
324 |
struct ccs_address_group_member *member; |
struct ccs_address_group_member *member; |
325 |
member = list_entry(mpos, |
member = list_entry(mpos, |
364 |
if (!done) |
if (!done) |
365 |
break; |
break; |
366 |
} |
} |
|
up_read(&ccs_policy_lock); |
|
|
/***** READER SECTION END *****/ |
|
367 |
return done; |
return done; |
368 |
} |
} |
369 |
|
|
481 |
if (is_delete) |
if (is_delete) |
482 |
goto delete; |
goto delete; |
483 |
entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
484 |
/***** WRITER SECTION START *****/ |
mutex_lock(&ccs_policy_lock); |
485 |
down_write(&ccs_policy_lock); |
list_for_each_entry_rcu(ptr, &domain->acl_info_list, list) { |
|
list_for_each_entry(ptr, &domain->acl_info_list, list) { |
|
486 |
struct ccs_ip_network_acl_record *acl; |
struct ccs_ip_network_acl_record *acl; |
487 |
if (ccs_acl_type1(ptr) != TYPE_IP_NETWORK_ACL) |
if (ccs_acl_type1(ptr) != TYPE_IP_NETWORK_ACL) |
488 |
continue; |
continue; |
530 |
error = ccs_add_domain_acl(domain, &entry->head); |
error = ccs_add_domain_acl(domain, &entry->head); |
531 |
entry = NULL; |
entry = NULL; |
532 |
} |
} |
533 |
up_write(&ccs_policy_lock); |
mutex_unlock(&ccs_policy_lock); |
|
/***** WRITER SECTION END *****/ |
|
534 |
goto out; |
goto out; |
535 |
delete: |
delete: |
536 |
/***** WRITER SECTION START *****/ |
mutex_lock(&ccs_policy_lock); |
537 |
down_write(&ccs_policy_lock); |
list_for_each_entry_rcu(ptr, &domain->acl_info_list, list) { |
|
list_for_each_entry(ptr, &domain->acl_info_list, list) { |
|
538 |
struct ccs_ip_network_acl_record *acl; |
struct ccs_ip_network_acl_record *acl; |
539 |
if (ccs_acl_type2(ptr) != TYPE_IP_NETWORK_ACL) |
if (ccs_acl_type2(ptr) != TYPE_IP_NETWORK_ACL) |
540 |
continue; |
continue; |
560 |
error = ccs_del_domain_acl(ptr); |
error = ccs_del_domain_acl(ptr); |
561 |
break; |
break; |
562 |
} |
} |
563 |
up_write(&ccs_policy_lock); |
mutex_unlock(&ccs_policy_lock); |
|
/***** WRITER SECTION END *****/ |
|
564 |
out: |
out: |
565 |
ccs_put_ipv6_address(saved_min_address); |
ccs_put_ipv6_address(saved_min_address); |
566 |
ccs_put_ipv6_address(saved_max_address); |
ccs_put_ipv6_address(saved_max_address); |
578 |
* @port: Port number. |
* @port: Port number. |
579 |
* |
* |
580 |
* Returns 0 on success, negative value otherwise. |
* Returns 0 on success, negative value otherwise. |
581 |
|
* |
582 |
|
* Caller holds srcu_read_lock(&ccs_ss). |
583 |
*/ |
*/ |
584 |
static int ccs_check_network_entry(const bool is_ipv6, const u8 operation, |
static int ccs_check_network_entry(const bool is_ipv6, const u8 operation, |
585 |
const u32 *address, const u16 port) |
const u32 *address, const u16 port) |
602 |
goto done; |
goto done; |
603 |
} |
} |
604 |
retry: |
retry: |
605 |
/***** READER SECTION START *****/ |
list_for_each_entry_rcu(ptr, &r.domain->acl_info_list, list) { |
|
down_read(&ccs_policy_lock); |
|
|
list_for_each_entry(ptr, &r.cookie.u.domain->acl_info_list, list) { |
|
606 |
struct ccs_ip_network_acl_record *acl; |
struct ccs_ip_network_acl_record *acl; |
607 |
if (ccs_acl_type2(ptr) != TYPE_IP_NETWORK_ACL) |
if (ccs_acl_type2(ptr) != TYPE_IP_NETWORK_ACL) |
608 |
continue; |
continue; |
624 |
memcmp(address, acl->u.ipv6.max, 16) > 0) |
memcmp(address, acl->u.ipv6.max, 16) > 0) |
625 |
continue; |
continue; |
626 |
} |
} |
627 |
r.condition_cookie.u.cond = ptr->cond; |
r.cond = ptr->cond; |
628 |
found = true; |
found = true; |
629 |
break; |
break; |
630 |
} |
} |
|
up_read(&ccs_policy_lock); |
|
|
/***** READER SECTION END *****/ |
|
631 |
memset(buf, 0, sizeof(buf)); |
memset(buf, 0, sizeof(buf)); |
632 |
if (is_ipv6) |
if (is_ipv6) |
633 |
ccs_print_ipv6(buf, sizeof(buf), |
ccs_print_ipv6(buf, sizeof(buf), |
639 |
error = 0; |
error = 0; |
640 |
goto done; |
goto done; |
641 |
} |
} |
642 |
if (ccs_verbose_mode(r.cookie.u.domain)) |
if (ccs_verbose_mode(r.domain)) |
643 |
printk(KERN_WARNING "TOMOYO-%s: %s to %s %u denied for %s\n", |
printk(KERN_WARNING "TOMOYO-%s: %s to %s %u denied for %s\n", |
644 |
ccs_get_msg(is_enforce), keyword, buf, port, |
ccs_get_msg(is_enforce), keyword, buf, port, |
645 |
ccs_get_last_name(r.cookie.u.domain)); |
ccs_get_last_name(r.domain)); |
646 |
if (is_enforce) { |
if (is_enforce) { |
647 |
int err = ccs_check_supervisor(&r, KEYWORD_ALLOW_NETWORK |
int err = ccs_check_supervisor(&r, KEYWORD_ALLOW_NETWORK |
648 |
"%s %s %u\n", keyword, buf, |
"%s %s %u\n", keyword, buf, |
652 |
error = err; |
error = err; |
653 |
goto done; |
goto done; |
654 |
} |
} |
655 |
if (r.mode == 1 && ccs_domain_quota_ok(r.cookie.u.domain)) { |
if (r.mode == 1 && ccs_domain_quota_ok(r.domain)) { |
656 |
struct ccs_condition *cond = ccs_handler_cond(); |
struct ccs_condition *cond = ccs_handler_cond(); |
657 |
ccs_update_network_entry(operation, is_ipv6 ? |
ccs_update_network_entry(operation, is_ipv6 ? |
658 |
IP_RECORD_TYPE_IPv6 : |
IP_RECORD_TYPE_IPv6 : |
659 |
IP_RECORD_TYPE_IPv4, |
IP_RECORD_TYPE_IPv4, |
660 |
NULL, address, address, port, port, |
NULL, address, address, port, port, |
661 |
r.cookie.u.domain, cond, false); |
r.domain, cond, false); |
662 |
ccs_put_condition(cond); |
ccs_put_condition(cond); |
663 |
} |
} |
664 |
error = 0; |
error = 0; |