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Date: Tue, 19 Aug 2008 13:10:35 -0400
From: Paul Moore <paul.moore@...com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, ramirose@...il.com, casey@...aufler-ca.com
Subject: Re: [PATCH] netlabel: Remove unneeded in-kernel API functions
On Wednesday 13 August 2008 10:55:26 am Paul Moore wrote:
> 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.
Hi Dave,
I didn't see this get pulled into your latest 2.6.27 push but I think
it's a good candidate for 2.6.27, it's dead code removal. If you
disagree, no problem, just let me know so I can throw it on my patchset
for 2.6.28.
Thanks.
> Signed-off-by: Paul Moore <paul.moore@...com>
> ---
>
> include/net/netlabel.h | 13 -------
> net/netlabel/netlabel_kapi.c | 80
> +++++++++++------------------------------- 2 files changed, 21
> insertions(+), 72 deletions(-)
>
> diff --git a/include/net/netlabel.h b/include/net/netlabel.h
> index e4d2d6b..5303749 100644
> --- a/include/net/netlabel.h
> +++ b/include/net/netlabel.h
> @@ -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)
> diff --git a/net/netlabel/netlabel_kapi.c
> b/net/netlabel/netlabel_kapi.c index 39793a1..2a2b8fa 100644
> --- a/net/netlabel/netlabel_kapi.c
> +++ b/net/netlabel/netlabel_kapi.c
> @@ -104,49 +104,6 @@ cfg_unlbl_add_map_failure:
> }
>
> /**
> - * 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
> * @domain: the domain mapping to add
> @@ -165,6 +122,8 @@ 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)
> @@ -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
> */
>
> --
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--
paul moore
linux @ hp
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