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netlabel: Remove unneeded in-kernel API functions

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After some discussions with the Smack folks, well just Casey, I now have a
better idea of what Smack wants out of NetLabel in the future so I think it
is now safe to do some API "pruning".  If another LSM comes along that
needs this functionality we can always add it back in, but I don't see any
LSMs on the horizon which might make use of these functions.

Thanks to Rami Rosen who suggested removing netlbl_cfg_cipsov4_del() back
in February 2008.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Reviewed-by: James Morris <jmorris@namei.org>
This commit is contained in:
Paul Moore 2008-10-10 10:16:30 -04:00
parent aa86290089
commit 948a72438d
2 changed files with 23 additions and 74 deletions
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13
include/net/netlabel.h
View file

@ -352,12 +352,9 @@ static inline void netlbl_secattr_free(struct netlbl_lsm_secattr *secattr)
int netlbl_cfg_map_del(const char *domain, struct netlbl_audit *audit_info);
int netlbl_cfg_unlbl_add_map(const char *domain,
struct netlbl_audit *audit_info);
int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def,
struct netlbl_audit *audit_info);
int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def,
const char *domain,
struct netlbl_audit *audit_info);
int netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info);
/*
* LSM security attribute operations
@ -404,22 +401,12 @@ static inline int netlbl_cfg_unlbl_add_map(const char *domain,
{
return -ENOSYS;
}
static inline int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def,
struct netlbl_audit *audit_info)
{
return -ENOSYS;
}
static inline int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def,
const char *domain,
struct netlbl_audit *audit_info)
{
return -ENOSYS;
}
static inline int netlbl_cfg_cipsov4_del(u32 doi,
struct netlbl_audit *audit_info)
{
return -ENOSYS;
}
static inline int netlbl_secattr_catmap_walk(
struct netlbl_lsm_secattr_catmap *catmap,
u32 offset)

84
net/netlabel/netlabel_kapi.c
View file

@ -82,7 +82,7 @@ int netlbl_cfg_unlbl_add_map(const char *domain,
entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (entry == NULL)
goto cfg_unlbl_add_map_failure;
return -ENOMEM;
if (domain != NULL) {
entry->domain = kstrdup(domain, GFP_ATOMIC);
if (entry->domain == NULL)
@ -103,49 +103,6 @@ cfg_unlbl_add_map_failure:
return ret_val;
}
/**
* netlbl_cfg_cipsov4_add - Add a new CIPSOv4 DOI definition
* @doi_def: the DOI definition
* @audit_info: NetLabel audit information
*
* Description:
* Add a new CIPSOv4 DOI definition to the NetLabel subsystem. Returns zero on
* success, negative values on failure.
*
*/
int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def,
struct netlbl_audit *audit_info)
{
int ret_val;
const char *type_str;
struct audit_buffer *audit_buf;
ret_val = cipso_v4_doi_add(doi_def);
audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD,
audit_info);
if (audit_buf != NULL) {
switch (doi_def->type) {
case CIPSO_V4_MAP_STD:
type_str = "std";
break;
case CIPSO_V4_MAP_PASS:
type_str = "pass";
break;
default:
type_str = "(unknown)";
}
audit_log_format(audit_buf,
" cipso_doi=%u cipso_type=%s res=%u",
doi_def->doi,
type_str,
ret_val == 0 ? 1 : 0);
audit_log_end(audit_buf);
}
return ret_val;
}
/**
* netlbl_cfg_cipsov4_add_map - Add a new CIPSOv4 DOI definition and mapping
* @doi_def: the DOI definition
@ -165,10 +122,12 @@ int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def,
{
int ret_val = -ENOMEM;
struct netlbl_dom_map *entry;
const char *type_str;
struct audit_buffer *audit_buf;
entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (entry == NULL)
goto cfg_cipsov4_add_map_failure;
return -ENOMEM;
if (domain != NULL) {
entry->domain = kstrdup(domain, GFP_ATOMIC);
if (entry->domain == NULL)
@ -182,7 +141,7 @@ int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def,
* domain mapping for it. */
rcu_read_lock();
ret_val = netlbl_cfg_cipsov4_add(doi_def, audit_info);
ret_val = cipso_v4_doi_add(doi_def);
if (ret_val != 0)
goto cfg_cipsov4_add_map_failure_unlock;
ret_val = netlbl_domhsh_add(entry, audit_info);
@ -196,6 +155,24 @@ cfg_cipsov4_add_map_failure_remove_doi:
cipso_v4_doi_remove(doi_def->doi, audit_info, netlbl_cipsov4_doi_free);
cfg_cipsov4_add_map_failure_unlock:
rcu_read_unlock();
audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD,
audit_info);
if (audit_buf != NULL) {
switch (doi_def->type) {
case CIPSO_V4_MAP_STD:
type_str = "std";
break;
case CIPSO_V4_MAP_PASS:
type_str = "pass";
break;
default:
type_str = "(unknown)";
}
audit_log_format(audit_buf,
" cipso_doi=%u cipso_type=%s res=%u",
doi_def->doi, type_str, ret_val == 0 ? 1 : 0);
audit_log_end(audit_buf);
}
cfg_cipsov4_add_map_failure:
if (entry != NULL)
kfree(entry->domain);
@ -203,21 +180,6 @@ cfg_cipsov4_add_map_failure:
return ret_val;
}
/**
* netlbl_cfg_cipsov4_del - Removean existing CIPSOv4 DOI definition
* @doi: the CIPSO DOI value
* @audit_info: NetLabel audit information
*
* Description:
* Removes an existing CIPSOv4 DOI definition from the NetLabel subsystem.
* Returns zero on success, negative values on failure.
*
*/
int netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info)
{
return cipso_v4_doi_remove(doi, audit_info, netlbl_cipsov4_doi_free);
}
/*
* Security Attribute Functions
*/