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| author | Paul Moore <paul.moore@hp.com> | 2006-09-28 23:51:47 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-09-29 03:03:09 +0200 |
| commit | 32f50cdee666333168b5203c7864bede159f789e (patch) | |
| tree | c4989cc2521551714f656d60f6b895232ffdeda6 /net/netlabel/netlabel_cipso_v4.c | |
| parent | [TCP]: Fix and simplify microsecond rtt sampling (diff) | |
| download | linux-32f50cdee666333168b5203c7864bede159f789e.tar.xz linux-32f50cdee666333168b5203c7864bede159f789e.zip | |
[NetLabel]: add audit support for configuration changes
This patch adds audit support to NetLabel, including six new audit message
types shown below.
#define AUDIT_MAC_UNLBL_ACCEPT 1406
#define AUDIT_MAC_UNLBL_DENY 1407
#define AUDIT_MAC_CIPSOV4_ADD 1408
#define AUDIT_MAC_CIPSOV4_DEL 1409
#define AUDIT_MAC_MAP_ADD 1410
#define AUDIT_MAC_MAP_DEL 1411
Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlabel/netlabel_cipso_v4.c')
| -rw-r--r-- | net/netlabel/netlabel_cipso_v4.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c index 4125a55f469f..09986ca962a6 100644 --- a/net/netlabel/netlabel_cipso_v4.c +++ b/net/netlabel/netlabel_cipso_v4.c @@ -32,6 +32,7 @@ #include <linux/socket.h> #include <linux/string.h> #include <linux/skbuff.h> +#include <linux/audit.h> #include <net/sock.h> #include <net/netlink.h> #include <net/genetlink.h> @@ -162,8 +163,7 @@ static int netlbl_cipsov4_add_std(struct genl_info *info) int nla_a_rem; int nla_b_rem; - if (!info->attrs[NLBL_CIPSOV4_A_DOI] || - !info->attrs[NLBL_CIPSOV4_A_TAGLST] || + if (!info->attrs[NLBL_CIPSOV4_A_TAGLST] || !info->attrs[NLBL_CIPSOV4_A_MLSLVLLST]) return -EINVAL; @@ -344,8 +344,7 @@ static int netlbl_cipsov4_add_pass(struct genl_info *info) int ret_val; struct cipso_v4_doi *doi_def = NULL; - if (!info->attrs[NLBL_CIPSOV4_A_DOI] || - !info->attrs[NLBL_CIPSOV4_A_TAGLST]) + if (!info->attrs[NLBL_CIPSOV4_A_TAGLST]) return -EINVAL; doi_def = kmalloc(sizeof(*doi_def), GFP_KERNEL); @@ -381,21 +380,35 @@ static int netlbl_cipsov4_add(struct sk_buff *skb, struct genl_info *info) { int ret_val = -EINVAL; - u32 map_type; + u32 type; + u32 doi; + const char *type_str = "(unknown)"; + struct audit_buffer *audit_buf; - if (!info->attrs[NLBL_CIPSOV4_A_MTYPE]) + if (!info->attrs[NLBL_CIPSOV4_A_DOI] || + !info->attrs[NLBL_CIPSOV4_A_MTYPE]) return -EINVAL; - map_type = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_MTYPE]); - switch (map_type) { + type = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_MTYPE]); + switch (type) { case CIPSO_V4_MAP_STD: + type_str = "std"; ret_val = netlbl_cipsov4_add_std(info); break; case CIPSO_V4_MAP_PASS: + type_str = "pass"; ret_val = netlbl_cipsov4_add_pass(info); break; } + if (ret_val == 0) { + doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]); + audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD, + NETLINK_CB(skb).sid); + audit_log_format(audit_buf, " doi=%u type=%s", doi, type_str); + audit_log_end(audit_buf); + } + return ret_val; } @@ -653,11 +666,21 @@ static int netlbl_cipsov4_listall(struct sk_buff *skb, static int netlbl_cipsov4_remove(struct sk_buff *skb, struct genl_info *info) { int ret_val = -EINVAL; - u32 doi; + u32 doi = 0; + struct audit_buffer *audit_buf; if (info->attrs[NLBL_CIPSOV4_A_DOI]) { doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]); - ret_val = cipso_v4_doi_remove(doi, netlbl_cipsov4_doi_free); + ret_val = cipso_v4_doi_remove(doi, + NETLINK_CB(skb).sid, + netlbl_cipsov4_doi_free); + } + + if (ret_val == 0) { + audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_DEL, + NETLINK_CB(skb).sid); + audit_log_format(audit_buf, " doi=%u", doi); + audit_log_end(audit_buf); } return ret_val; |