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netlabel: Update kernel configuration API

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Update the NetLabel kernel API to expose the new features added in kernel
releases 2.6.25 and 2.6.28: the static/fallback label functionality and network
address based selectors.

Signed-off-by: Paul Moore <paul.moore@hp.com>
This commit is contained in:
Paul Moore
2008-12-31 12:54:11 -05:00
parent 6a94cb7306
commit 6c2e8ac095
10 changed files with 570 additions and 151 deletions
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61
net/netlabel/netlabel_cipso_v4.c
View File

@@ -130,6 +130,7 @@ static int netlbl_cipsov4_add_common(struct genl_info *info,
/**
* netlbl_cipsov4_add_std - Adds a CIPSO V4 DOI definition
* @info: the Generic NETLINK info block
* @audit_info: NetLabel audit information
*
* Description:
* Create a new CIPSO_V4_MAP_TRANS DOI definition based on the given ADD
@@ -137,7 +138,8 @@ static int netlbl_cipsov4_add_common(struct genl_info *info,
* non-zero on error.
*
*/
static int netlbl_cipsov4_add_std(struct genl_info *info)
static int netlbl_cipsov4_add_std(struct genl_info *info,
struct netlbl_audit *audit_info)
{
int ret_val = -EINVAL;
struct cipso_v4_doi *doi_def = NULL;
@@ -316,7 +318,7 @@ static int netlbl_cipsov4_add_std(struct genl_info *info)
}
}
ret_val = cipso_v4_doi_add(doi_def);
ret_val = cipso_v4_doi_add(doi_def, audit_info);
if (ret_val != 0)
goto add_std_failure;
return 0;
@@ -330,6 +332,7 @@ add_std_failure:
/**
* netlbl_cipsov4_add_pass - Adds a CIPSO V4 DOI definition
* @info: the Generic NETLINK info block
* @audit_info: NetLabel audit information
*
* Description:
* Create a new CIPSO_V4_MAP_PASS DOI definition based on the given ADD message
@@ -337,7 +340,8 @@ add_std_failure:
* error.
*
*/
static int netlbl_cipsov4_add_pass(struct genl_info *info)
static int netlbl_cipsov4_add_pass(struct genl_info *info,
struct netlbl_audit *audit_info)
{
int ret_val;
struct cipso_v4_doi *doi_def = NULL;
@@ -354,7 +358,7 @@ static int netlbl_cipsov4_add_pass(struct genl_info *info)
if (ret_val != 0)
goto add_pass_failure;
ret_val = cipso_v4_doi_add(doi_def);
ret_val = cipso_v4_doi_add(doi_def, audit_info);
if (ret_val != 0)
goto add_pass_failure;
return 0;
@@ -367,6 +371,7 @@ add_pass_failure:
/**
* netlbl_cipsov4_add_local - Adds a CIPSO V4 DOI definition
* @info: the Generic NETLINK info block
* @audit_info: NetLabel audit information
*
* Description:
* Create a new CIPSO_V4_MAP_LOCAL DOI definition based on the given ADD
@@ -374,7 +379,8 @@ add_pass_failure:
* non-zero on error.
*
*/
static int netlbl_cipsov4_add_local(struct genl_info *info)
static int netlbl_cipsov4_add_local(struct genl_info *info,
struct netlbl_audit *audit_info)
{
int ret_val;
struct cipso_v4_doi *doi_def = NULL;
@@ -391,7 +397,7 @@ static int netlbl_cipsov4_add_local(struct genl_info *info)
if (ret_val != 0)
goto add_local_failure;
ret_val = cipso_v4_doi_add(doi_def);
ret_val = cipso_v4_doi_add(doi_def, audit_info);
if (ret_val != 0)
goto add_local_failure;
return 0;
@@ -415,48 +421,31 @@ static int netlbl_cipsov4_add(struct sk_buff *skb, struct genl_info *info)
{
int ret_val = -EINVAL;
u32 type;
u32 doi;
const char *type_str = "(unknown)";
struct audit_buffer *audit_buf;
struct netlbl_audit audit_info;
if (!info->attrs[NLBL_CIPSOV4_A_DOI] ||
!info->attrs[NLBL_CIPSOV4_A_MTYPE])
return -EINVAL;
doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]);
netlbl_netlink_auditinfo(skb, &audit_info);
type = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_MTYPE]);
switch (type) {
switch (nla_get_u32(info->attrs[NLBL_CIPSOV4_A_MTYPE])) {
case CIPSO_V4_MAP_TRANS:
type_str = "trans";
ret_val = netlbl_cipsov4_add_std(info);
ret_val = netlbl_cipsov4_add_std(info, &audit_info);
break;
case CIPSO_V4_MAP_PASS:
type_str = "pass";
ret_val = netlbl_cipsov4_add_pass(info);
ret_val = netlbl_cipsov4_add_pass(info, &audit_info);
break;
case CIPSO_V4_MAP_LOCAL:
type_str = "local";
ret_val = netlbl_cipsov4_add_local(info);
ret_val = netlbl_cipsov4_add_local(info, &audit_info);
break;
}
if (ret_val == 0)
atomic_inc(&netlabel_mgmt_protocount);
audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD,
&audit_info);
if (audit_buf != NULL) {
audit_log_format(audit_buf,
" cipso_doi=%u cipso_type=%s res=%u",
doi,
type_str,
ret_val == 0 ? 1 : 0);
audit_log_end(audit_buf);
}
return ret_val;
}
@@ -725,9 +714,7 @@ static int netlbl_cipsov4_remove_cb(struct netlbl_dom_map *entry, void *arg)
static int netlbl_cipsov4_remove(struct sk_buff *skb, struct genl_info *info)
{
int ret_val = -EINVAL;
u32 doi = 0;
struct netlbl_domhsh_walk_arg cb_arg;
struct audit_buffer *audit_buf;
struct netlbl_audit audit_info;
u32 skip_bkt = 0;
u32 skip_chain = 0;
@@ -735,29 +722,17 @@ static int netlbl_cipsov4_remove(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NLBL_CIPSOV4_A_DOI])
return -EINVAL;
doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]);
netlbl_netlink_auditinfo(skb, &audit_info);
cb_arg.doi = doi;
cb_arg.doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]);
cb_arg.audit_info = &audit_info;
ret_val = netlbl_domhsh_walk(&skip_bkt, &skip_chain,
netlbl_cipsov4_remove_cb, &cb_arg);
if (ret_val == 0 || ret_val == -ENOENT) {
ret_val = cipso_v4_doi_remove(doi, &audit_info);
ret_val = cipso_v4_doi_remove(cb_arg.doi, &audit_info);
if (ret_val == 0)
atomic_dec(&netlabel_mgmt_protocount);
}
audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_DEL,
&audit_info);
if (audit_buf != NULL) {
audit_log_format(audit_buf,
" cipso_doi=%u res=%u",
doi,
ret_val == 0 ? 1 : 0);
audit_log_end(audit_buf);
}
return ret_val;
}