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Diffstat (limited to 'security')
-rw-r--r--security/apparmor/audit.c42
-rw-r--r--security/apparmor/capability.c6
-rw-r--r--security/apparmor/domain.c3
-rw-r--r--security/apparmor/file.c56
-rw-r--r--security/apparmor/include/audit.h28
-rw-r--r--security/apparmor/ipc.c10
-rw-r--r--security/apparmor/lib.c4
-rw-r--r--security/apparmor/lsm.c8
-rw-r--r--security/apparmor/policy.c10
-rw-r--r--security/apparmor/policy_unpack.c20
-rw-r--r--security/apparmor/resource.c12
-rw-r--r--security/lsm_audit.c80
-rw-r--r--security/selinux/avc.c101
-rw-r--r--security/selinux/hooks.c187
-rw-r--r--security/selinux/include/avc.h26
-rw-r--r--security/selinux/include/xfrm.h2
-rw-r--r--security/selinux/selinuxfs.c110
-rw-r--r--security/smack/smack.h23
-rw-r--r--security/smack/smack_access.c14
-rw-r--r--security/smack/smack_lsm.c29
20 files changed, 481 insertions, 290 deletions
diff --git a/security/apparmor/audit.c b/security/apparmor/audit.c
index 5ff67776a5ad..cc3520d39a78 100644
--- a/security/apparmor/audit.c
+++ b/security/apparmor/audit.c
@@ -115,23 +115,23 @@ static void audit_pre(struct audit_buffer *ab, void *ca)
if (aa_g_audit_header) {
audit_log_format(ab, "apparmor=");
- audit_log_string(ab, aa_audit_type[sa->aad.type]);
+ audit_log_string(ab, aa_audit_type[sa->aad->type]);
}
- if (sa->aad.op) {
+ if (sa->aad->op) {
audit_log_format(ab, " operation=");
- audit_log_string(ab, op_table[sa->aad.op]);
+ audit_log_string(ab, op_table[sa->aad->op]);
}
- if (sa->aad.info) {
+ if (sa->aad->info) {
audit_log_format(ab, " info=");
- audit_log_string(ab, sa->aad.info);
- if (sa->aad.error)
- audit_log_format(ab, " error=%d", sa->aad.error);
+ audit_log_string(ab, sa->aad->info);
+ if (sa->aad->error)
+ audit_log_format(ab, " error=%d", sa->aad->error);
}
- if (sa->aad.profile) {
- struct aa_profile *profile = sa->aad.profile;
+ if (sa->aad->profile) {
+ struct aa_profile *profile = sa->aad->profile;
pid_t pid;
rcu_read_lock();
pid = rcu_dereference(tsk->real_parent)->pid;
@@ -145,9 +145,9 @@ static void audit_pre(struct audit_buffer *ab, void *ca)
audit_log_untrustedstring(ab, profile->base.hname);
}
- if (sa->aad.name) {
+ if (sa->aad->name) {
audit_log_format(ab, " name=");
- audit_log_untrustedstring(ab, sa->aad.name);
+ audit_log_untrustedstring(ab, sa->aad->name);
}
}
@@ -159,10 +159,8 @@ static void audit_pre(struct audit_buffer *ab, void *ca)
void aa_audit_msg(int type, struct common_audit_data *sa,
void (*cb) (struct audit_buffer *, void *))
{
- sa->aad.type = type;
- sa->lsm_pre_audit = audit_pre;
- sa->lsm_post_audit = cb;
- common_lsm_audit(sa);
+ sa->aad->type = type;
+ common_lsm_audit(sa, audit_pre, cb);
}
/**
@@ -184,7 +182,7 @@ int aa_audit(int type, struct aa_profile *profile, gfp_t gfp,
BUG_ON(!profile);
if (type == AUDIT_APPARMOR_AUTO) {
- if (likely(!sa->aad.error)) {
+ if (likely(!sa->aad->error)) {
if (AUDIT_MODE(profile) != AUDIT_ALL)
return 0;
type = AUDIT_APPARMOR_AUDIT;
@@ -196,21 +194,21 @@ int aa_audit(int type, struct aa_profile *profile, gfp_t gfp,
if (AUDIT_MODE(profile) == AUDIT_QUIET ||
(type == AUDIT_APPARMOR_DENIED &&
AUDIT_MODE(profile) == AUDIT_QUIET))
- return sa->aad.error;
+ return sa->aad->error;
if (KILL_MODE(profile) && type == AUDIT_APPARMOR_DENIED)
type = AUDIT_APPARMOR_KILL;
if (!unconfined(profile))
- sa->aad.profile = profile;
+ sa->aad->profile = profile;
aa_audit_msg(type, sa, cb);
- if (sa->aad.type == AUDIT_APPARMOR_KILL)
+ if (sa->aad->type == AUDIT_APPARMOR_KILL)
(void)send_sig_info(SIGKILL, NULL, sa->tsk ? sa->tsk : current);
- if (sa->aad.type == AUDIT_APPARMOR_ALLOWED)
- return complain_error(sa->aad.error);
+ if (sa->aad->type == AUDIT_APPARMOR_ALLOWED)
+ return complain_error(sa->aad->error);
- return sa->aad.error;
+ return sa->aad->error;
}
diff --git a/security/apparmor/capability.c b/security/apparmor/capability.c
index 9982c48def4e..088dba3bf7dc 100644
--- a/security/apparmor/capability.c
+++ b/security/apparmor/capability.c
@@ -64,11 +64,13 @@ static int audit_caps(struct aa_profile *profile, struct task_struct *task,
struct audit_cache *ent;
int type = AUDIT_APPARMOR_AUTO;
struct common_audit_data sa;
+ struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, CAP);
+ sa.aad = &aad;
sa.tsk = task;
sa.u.cap = cap;
- sa.aad.op = OP_CAPABLE;
- sa.aad.error = error;
+ sa.aad->op = OP_CAPABLE;
+ sa.aad->error = error;
if (likely(!error)) {
/* test if auditing is being forced */
diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c
index 7c69599a69e1..6327685c101e 100644
--- a/security/apparmor/domain.c
+++ b/security/apparmor/domain.c
@@ -410,7 +410,8 @@ int apparmor_bprm_set_creds(struct linux_binprm *bprm)
* exec\0change_profile
*/
state = aa_dfa_null_transition(profile->file.dfa, state);
- cp = change_profile_perms(profile, cxt->onexec->ns, name,
+ cp = change_profile_perms(profile, cxt->onexec->ns,
+ cxt->onexec->base.name,
AA_MAY_ONEXEC, state);
if (!(cp.allow & AA_MAY_ONEXEC))
diff --git a/security/apparmor/file.c b/security/apparmor/file.c
index 3022c0f4f0db..2f8fcba9ce4b 100644
--- a/security/apparmor/file.c
+++ b/security/apparmor/file.c
@@ -67,22 +67,22 @@ static void file_audit_cb(struct audit_buffer *ab, void *va)
struct common_audit_data *sa = va;
uid_t fsuid = current_fsuid();
- if (sa->aad.fs.request & AA_AUDIT_FILE_MASK) {
+ if (sa->aad->fs.request & AA_AUDIT_FILE_MASK) {
audit_log_format(ab, " requested_mask=");
- audit_file_mask(ab, sa->aad.fs.request);
+ audit_file_mask(ab, sa->aad->fs.request);
}
- if (sa->aad.fs.denied & AA_AUDIT_FILE_MASK) {
+ if (sa->aad->fs.denied & AA_AUDIT_FILE_MASK) {
audit_log_format(ab, " denied_mask=");
- audit_file_mask(ab, sa->aad.fs.denied);
+ audit_file_mask(ab, sa->aad->fs.denied);
}
- if (sa->aad.fs.request & AA_AUDIT_FILE_MASK) {
+ if (sa->aad->fs.request & AA_AUDIT_FILE_MASK) {
audit_log_format(ab, " fsuid=%d", fsuid);
- audit_log_format(ab, " ouid=%d", sa->aad.fs.ouid);
+ audit_log_format(ab, " ouid=%d", sa->aad->fs.ouid);
}
- if (sa->aad.fs.target) {
+ if (sa->aad->fs.target) {
audit_log_format(ab, " target=");
- audit_log_untrustedstring(ab, sa->aad.fs.target);
+ audit_log_untrustedstring(ab, sa->aad->fs.target);
}
}
@@ -107,45 +107,47 @@ int aa_audit_file(struct aa_profile *profile, struct file_perms *perms,
{
int type = AUDIT_APPARMOR_AUTO;
struct common_audit_data sa;
+ struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
- sa.aad.op = op,
- sa.aad.fs.request = request;
- sa.aad.name = name;
- sa.aad.fs.target = target;
- sa.aad.fs.ouid = ouid;
- sa.aad.info = info;
- sa.aad.error = error;
-
- if (likely(!sa.aad.error)) {
+ sa.aad = &aad;
+ aad.op = op,
+ aad.fs.request = request;
+ aad.name = name;
+ aad.fs.target = target;
+ aad.fs.ouid = ouid;
+ aad.info = info;
+ aad.error = error;
+
+ if (likely(!sa.aad->error)) {
u32 mask = perms->audit;
if (unlikely(AUDIT_MODE(profile) == AUDIT_ALL))
mask = 0xffff;
/* mask off perms that are not being force audited */
- sa.aad.fs.request &= mask;
+ sa.aad->fs.request &= mask;
- if (likely(!sa.aad.fs.request))
+ if (likely(!sa.aad->fs.request))
return 0;
type = AUDIT_APPARMOR_AUDIT;
} else {
/* only report permissions that were denied */
- sa.aad.fs.request = sa.aad.fs.request & ~perms->allow;
+ sa.aad->fs.request = sa.aad->fs.request & ~perms->allow;
- if (sa.aad.fs.request & perms->kill)
+ if (sa.aad->fs.request & perms->kill)
type = AUDIT_APPARMOR_KILL;
/* quiet known rejects, assumes quiet and kill do not overlap */
- if ((sa.aad.fs.request & perms->quiet) &&
+ if ((sa.aad->fs.request & perms->quiet) &&
AUDIT_MODE(profile) != AUDIT_NOQUIET &&
AUDIT_MODE(profile) != AUDIT_ALL)
- sa.aad.fs.request &= ~perms->quiet;
+ sa.aad->fs.request &= ~perms->quiet;
- if (!sa.aad.fs.request)
- return COMPLAIN_MODE(profile) ? 0 : sa.aad.error;
+ if (!sa.aad->fs.request)
+ return COMPLAIN_MODE(profile) ? 0 : sa.aad->error;
}
- sa.aad.fs.denied = sa.aad.fs.request & ~perms->allow;
+ sa.aad->fs.denied = sa.aad->fs.request & ~perms->allow;
return aa_audit(type, profile, gfp, &sa, file_audit_cb);
}
@@ -215,6 +217,8 @@ static struct file_perms compute_perms(struct aa_dfa *dfa, unsigned int state,
/* change_profile wasn't determined by ownership in old mapping */
if (ACCEPT_TABLE(dfa)[state] & 0x80000000)
perms.allow |= AA_MAY_CHANGE_PROFILE;
+ if (ACCEPT_TABLE(dfa)[state] & 0x40000000)
+ perms.allow |= AA_MAY_ONEXEC;
return perms;
}
diff --git a/security/apparmor/include/audit.h b/security/apparmor/include/audit.h
index 4ba78c203af1..3868b1e5d5ba 100644
--- a/security/apparmor/include/audit.h
+++ b/security/apparmor/include/audit.h
@@ -103,7 +103,33 @@ enum aa_ops {
};
-/* define a short hand for apparmor_audit_data portion of common_audit_data */
+struct apparmor_audit_data {
+ int error;
+ int op;
+ int type;
+ void *profile;
+ const char *name;
+ const char *info;
+ union {
+ void *target;
+ struct {
+ long pos;
+ void *target;
+ } iface;
+ struct {
+ int rlim;
+ unsigned long max;
+ } rlim;
+ struct {
+ const char *target;
+ u32 request;
+ u32 denied;
+ uid_t ouid;
+ } fs;
+ };
+};
+
+/* define a short hand for apparmor_audit_data structure */
#define aad apparmor_audit_data
void aa_audit_msg(int type, struct common_audit_data *sa,
diff --git a/security/apparmor/ipc.c b/security/apparmor/ipc.c
index 7ee05c6f3c64..c3da93a5150d 100644
--- a/security/apparmor/ipc.c
+++ b/security/apparmor/ipc.c
@@ -26,7 +26,7 @@ static void audit_cb(struct audit_buffer *ab, void *va)
{
struct common_audit_data *sa = va;
audit_log_format(ab, " target=");
- audit_log_untrustedstring(ab, sa->aad.target);
+ audit_log_untrustedstring(ab, sa->aad->target);
}
/**
@@ -41,10 +41,12 @@ static int aa_audit_ptrace(struct aa_profile *profile,
struct aa_profile *target, int error)
{
struct common_audit_data sa;
+ struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
- sa.aad.op = OP_PTRACE;
- sa.aad.target = target;
- sa.aad.error = error;
+ sa.aad = &aad;
+ aad.op = OP_PTRACE;
+ aad.target = target;
+ aad.error = error;
return aa_audit(AUDIT_APPARMOR_AUTO, profile, GFP_ATOMIC, &sa,
audit_cb);
diff --git a/security/apparmor/lib.c b/security/apparmor/lib.c
index 9516948041ad..e75829ba0ff9 100644
--- a/security/apparmor/lib.c
+++ b/security/apparmor/lib.c
@@ -65,8 +65,10 @@ void aa_info_message(const char *str)
{
if (audit_enabled) {
struct common_audit_data sa;
+ struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
- sa.aad.info = str;
+ sa.aad = &aad;
+ aad.info = str;
aa_audit_msg(AUDIT_APPARMOR_STATUS, &sa, NULL);
}
printk(KERN_INFO "AppArmor: %s\n", str);
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index 97ce8fae49b3..ad05d391974d 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -588,10 +588,12 @@ static int apparmor_setprocattr(struct task_struct *task, char *name,
error = aa_setprocattr_permipc(args);
} else {
struct common_audit_data sa;
+ struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
- sa.aad.op = OP_SETPROCATTR;
- sa.aad.info = name;
- sa.aad.error = -EINVAL;
+ sa.aad = &aad;
+ aad.op = OP_SETPROCATTR;
+ aad.info = name;
+ aad.error = -EINVAL;
return aa_audit(AUDIT_APPARMOR_DENIED,
__aa_current_profile(), GFP_KERNEL,
&sa, NULL);
diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c
index 906414383022..f1f7506a464d 100644
--- a/security/apparmor/policy.c
+++ b/security/apparmor/policy.c
@@ -964,11 +964,13 @@ static int audit_policy(int op, gfp_t gfp, const char *name, const char *info,
int error)
{
struct common_audit_data sa;
+ struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
- sa.aad.op = op;
- sa.aad.name = name;
- sa.aad.info = info;
- sa.aad.error = error;
+ sa.aad = &aad;
+ aad.op = op;
+ aad.name = name;
+ aad.info = info;
+ aad.error = error;
return aa_audit(AUDIT_APPARMOR_STATUS, __aa_current_profile(), gfp,
&sa, NULL);
diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c
index 25fd51edc8da..deab7c7e8dc0 100644
--- a/security/apparmor/policy_unpack.c
+++ b/security/apparmor/policy_unpack.c
@@ -70,13 +70,13 @@ struct aa_ext {
static void audit_cb(struct audit_buffer *ab, void *va)
{
struct common_audit_data *sa = va;
- if (sa->aad.iface.target) {
- struct aa_profile *name = sa->aad.iface.target;
+ if (sa->aad->iface.target) {
+ struct aa_profile *name = sa->aad->iface.target;
audit_log_format(ab, " name=");
audit_log_untrustedstring(ab, name->base.hname);
}
- if (sa->aad.iface.pos)
- audit_log_format(ab, " offset=%ld", sa->aad.iface.pos);
+ if (sa->aad->iface.pos)
+ audit_log_format(ab, " offset=%ld", sa->aad->iface.pos);
}
/**
@@ -94,13 +94,15 @@ static int audit_iface(struct aa_profile *new, const char *name,
{
struct aa_profile *profile = __aa_current_profile();
struct common_audit_data sa;
+ struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
+ sa.aad = &aad;
if (e)
- sa.aad.iface.pos = e->pos - e->start;
- sa.aad.iface.target = new;
- sa.aad.name = name;
- sa.aad.info = info;
- sa.aad.error = error;
+ aad.iface.pos = e->pos - e->start;
+ aad.iface.target = new;
+ aad.name = name;
+ aad.info = info;
+ aad.error = error;
return aa_audit(AUDIT_APPARMOR_STATUS, profile, GFP_KERNEL, &sa,
audit_cb);
diff --git a/security/apparmor/resource.c b/security/apparmor/resource.c
index 72c25a4f2cfd..2fe8613efe33 100644
--- a/security/apparmor/resource.c
+++ b/security/apparmor/resource.c
@@ -34,7 +34,7 @@ static void audit_cb(struct audit_buffer *ab, void *va)
struct common_audit_data *sa = va;
audit_log_format(ab, " rlimit=%s value=%lu",
- rlim_names[sa->aad.rlim.rlim], sa->aad.rlim.max);
+ rlim_names[sa->aad->rlim.rlim], sa->aad->rlim.max);
}
/**
@@ -50,12 +50,14 @@ static int audit_resource(struct aa_profile *profile, unsigned int resource,
unsigned long value, int error)
{
struct common_audit_data sa;
+ struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
- sa.aad.op = OP_SETRLIMIT,
- sa.aad.rlim.rlim = resource;
- sa.aad.rlim.max = value;
- sa.aad.error = error;
+ sa.aad = &aad;
+ aad.op = OP_SETRLIMIT,
+ aad.rlim.rlim = resource;
+ aad.rlim.max = value;
+ aad.error = error;
return aa_audit(AUDIT_APPARMOR_AUTO, profile, GFP_KERNEL, &sa,
audit_cb);
}
diff --git a/security/lsm_audit.c b/security/lsm_audit.c
index 8b8f0902f6e5..90c129b0102f 100644
--- a/security/lsm_audit.c
+++ b/security/lsm_audit.c
@@ -49,8 +49,8 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb,
if (ih == NULL)
return -EINVAL;
- ad->u.net.v4info.saddr = ih->saddr;
- ad->u.net.v4info.daddr = ih->daddr;
+ ad->u.net->v4info.saddr = ih->saddr;
+ ad->u.net->v4info.daddr = ih->daddr;
if (proto)
*proto = ih->protocol;
@@ -64,8 +64,8 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb,
if (th == NULL)
break;
- ad->u.net.sport = th->source;
- ad->u.net.dport = th->dest;
+ ad->u.net->sport = th->source;
+ ad->u.net->dport = th->dest;
break;
}
case IPPROTO_UDP: {
@@ -73,8 +73,8 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb,
if (uh == NULL)
break;
- ad->u.net.sport = uh->source;
- ad->u.net.dport = uh->dest;
+ ad->u.net->sport = uh->source;
+ ad->u.net->dport = uh->dest;
break;
}
case IPPROTO_DCCP: {
@@ -82,16 +82,16 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb,
if (dh == NULL)
break;
- ad->u.net.sport = dh->dccph_sport;
- ad->u.net.dport = dh->dccph_dport;
+ ad->u.net->sport = dh->dccph_sport;
+ ad->u.net->dport = dh->dccph_dport;
break;
}
case IPPROTO_SCTP: {
struct sctphdr *sh = sctp_hdr(skb);
if (sh == NULL)
break;
- ad->u.net.sport = sh->source;
- ad->u.net.dport = sh->dest;
+ ad->u.net->sport = sh->source;
+ ad->u.net->dport = sh->dest;
break;
}
default:
@@ -119,8 +119,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb,
ip6 = ipv6_hdr(skb);
if (ip6 == NULL)
return -EINVAL;
- ad->u.net.v6info.saddr = ip6->saddr;
- ad->u.net.v6info.daddr = ip6->daddr;
+ ad->u.net->v6info.saddr = ip6->saddr;
+ ad->u.net->v6info.daddr = ip6->daddr;
ret = 0;
/* IPv6 can have several extension header before the Transport header
* skip them */
@@ -140,8 +140,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb,
if (th == NULL)
break;
- ad->u.net.sport = th->source;
- ad->u.net.dport = th->dest;
+ ad->u.net->sport = th->source;
+ ad->u.net->dport = th->dest;
break;
}
case IPPROTO_UDP: {
@@ -151,8 +151,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb,
if (uh == NULL)
break;
- ad->u.net.sport = uh->source;
- ad->u.net.dport = uh->dest;
+ ad->u.net->sport = uh->source;
+ ad->u.net->dport = uh->dest;
break;
}
case IPPROTO_DCCP: {
@@ -162,8 +162,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb,
if (dh == NULL)
break;
- ad->u.net.sport = dh->dccph_sport;
- ad->u.net.dport = dh->dccph_dport;
+ ad->u.net->sport = dh->dccph_sport;
+ ad->u.net->dport = dh->dccph_dport;
break;
}
case IPPROTO_SCTP: {
@@ -172,8 +172,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb,
sh = skb_header_pointer(skb, offset, sizeof(_sctph), &_sctph);
if (sh == NULL)
break;
- ad->u.net.sport = sh->source;
- ad->u.net.dport = sh->dest;
+ ad->u.net->sport = sh->source;
+ ad->u.net->dport = sh->dest;
break;
}
default:
@@ -281,8 +281,8 @@ static void dump_common_audit_data(struct audit_buffer *ab,
}
break;
case LSM_AUDIT_DATA_NET:
- if (a->u.net.sk) {
- struct sock *sk = a->u.net.sk;
+ if (a->u.net->sk) {
+ struct sock *sk = a->u.net->sk;
struct unix_sock *u;
int len = 0;
char *p = NULL;
@@ -330,29 +330,29 @@ static void dump_common_audit_data(struct audit_buffer *ab,
}
}
- switch (a->u.net.family) {
+ switch (a->u.net->family) {
case AF_INET:
- print_ipv4_addr(ab, a->u.net.v4info.saddr,
- a->u.net.sport,
+ print_ipv4_addr(ab, a->u.net->v4info.saddr,
+ a->u.net->sport,
"saddr", "src");
- print_ipv4_addr(ab, a->u.net.v4info.daddr,
- a->u.net.dport,
+ print_ipv4_addr(ab, a->u.net->v4info.daddr,
+ a->u.net->dport,
"daddr", "dest");
break;
case AF_INET6:
- print_ipv6_addr(ab, &a->u.net.v6info.saddr,
- a->u.net.sport,
+ print_ipv6_addr(ab, &a->u.net->v6info.saddr,
+ a->u.net->sport,
"saddr", "src");
- print_ipv6_addr(ab, &a->u.net.v6info.daddr,
- a->u.net.dport,
+ print_ipv6_addr(ab, &a->u.net->v6info.daddr,
+ a->u.net->dport,
"daddr", "dest");
break;
}
- if (a->u.net.netif > 0) {
+ if (a->u.net->netif > 0) {
struct net_device *dev;
/* NOTE: we always use init's namespace */
- dev = dev_get_by_index(&init_net, a->u.net.netif);
+ dev = dev_get_by_index(&init_net, a->u.net->netif);
if (dev) {
audit_log_format(ab, " netif=%s", dev->name);
dev_put(dev);
@@ -378,11 +378,15 @@ static void dump_common_audit_data(struct audit_buffer *ab,
/**
* common_lsm_audit - generic LSM auditing function
* @a: auxiliary audit data
+ * @pre_audit: lsm-specific pre-audit callback
+ * @post_audit: lsm-specific post-audit callback
*
* setup the audit buffer for common security information
* uses callback to print LSM specific information
*/
-void common_lsm_audit(struct common_audit_data *a)
+void common_lsm_audit(struct common_audit_data *a,
+ void (*pre_audit)(struct audit_buffer *, void *),
+ void (*post_audit)(struct audit_buffer *, void *))
{
struct audit_buffer *ab;
@@ -394,13 +398,13 @@ void common_lsm_audit(struct common_audit_data *a)
if (ab == NULL)
return;
- if (a->lsm_pre_audit)
- a->lsm_pre_audit(ab, a);
+ if (pre_audit)
+ pre_audit(ab, a);
dump_common_audit_data(ab, a);
- if (a->lsm_post_audit)
- a->lsm_post_audit(ab, a);
+ if (post_audit)
+ post_audit(ab, a);
audit_log_end(ab);
}
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index 6989472d0957..8ee42b2a5f19 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -436,9 +436,9 @@ static void avc_audit_pre_callback(struct audit_buffer *ab, void *a)
{
struct common_audit_data *ad = a;
audit_log_format(ab, "avc: %s ",
- ad->selinux_audit_data.denied ? "denied" : "granted");
- avc_dump_av(ab, ad->selinux_audit_data.tclass,
- ad->selinux_audit_data.audited);
+ ad->selinux_audit_data->slad->denied ? "denied" : "granted");
+ avc_dump_av(ab, ad->selinux_audit_data->slad->tclass,
+ ad->selinux_audit_data->slad->audited);
audit_log_format(ab, " for ");
}
@@ -452,22 +452,25 @@ static void avc_audit_post_callback(struct audit_buffer *ab, void *a)
{
struct common_audit_data *ad = a;
audit_log_format(ab, " ");
- avc_dump_query(ab, ad->selinux_audit_data.ssid,
- ad->selinux_audit_data.tsid,
- ad->selinux_audit_data.tclass);
+ avc_dump_query(ab, ad->selinux_audit_data->slad->ssid,
+ ad->selinux_audit_data->slad->tsid,
+ ad->selinux_audit_data->slad->tclass);
}
/* This is the slow part of avc audit with big stack footprint */
static noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass,
u32 requested, u32 audited, u32 denied,
- struct av_decision *avd, struct common_audit_data *a,
+ struct common_audit_data *a,
unsigned flags)
{
struct common_audit_data stack_data;
+ struct selinux_audit_data sad = {0,};
+ struct selinux_late_audit_data slad;
if (!a) {
a = &stack_data;
COMMON_AUDIT_DATA_INIT(a, NONE);
+ a->selinux_audit_data = &sad;
}
/*
@@ -481,15 +484,15 @@ static noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass,
(flags & MAY_NOT_BLOCK))
return -ECHILD;
- a->selinux_audit_data.tclass = tclass;
- a->selinux_audit_data.requested = requested;
- a->selinux_audit_data.ssid = ssid;
- a->selinux_audit_data.tsid = tsid;
- a->selinux_audit_data.audited = audited;
- a->selinux_audit_data.denied = denied;
- a->lsm_pre_audit = avc_audit_pre_callback;
- a->lsm_post_audit = avc_audit_post_callback;
- common_lsm_audit(a);
+ slad.tclass = tclass;
+ slad.requested = requested;
+ slad.ssid = ssid;
+ slad.tsid = tsid;
+ slad.audited = audited;
+ slad.denied = denied;
+
+ a->selinux_audit_data->slad = &slad;
+ common_lsm_audit(a, avc_audit_pre_callback, avc_audit_post_callback);
return 0;
}
@@ -513,7 +516,7 @@ static noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass,
* be performed under a lock, to allow the lock to be released
* before calling the auditing code.
*/
-int avc_audit(u32 ssid, u32 tsid,
+inline int avc_audit(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct av_decision *avd, int result, struct common_audit_data *a,
unsigned flags)
@@ -523,7 +526,7 @@ int avc_audit(u32 ssid, u32 tsid,
if (unlikely(denied)) {
audited = denied & avd->auditdeny;
/*
- * a->selinux_audit_data.auditdeny is TRICKY! Setting a bit in
+ * a->selinux_audit_data->auditdeny is TRICKY! Setting a bit in
* this field means that ANY denials should NOT be audited if
* the policy contains an explicit dontaudit rule for that
* permission. Take notice that this is unrelated to the
@@ -532,15 +535,15 @@ int avc_audit(u32 ssid, u32 tsid,
*
* denied == READ
* avd.auditdeny & ACCESS == 0 (not set means explicit rule)
- * selinux_audit_data.auditdeny & ACCESS == 1
+ * selinux_audit_data->auditdeny & ACCESS == 1
*
* We will NOT audit the denial even though the denied
* permission was READ and the auditdeny checks were for
* ACCESS
*/
if (a &&
- a->selinux_audit_data.auditdeny &&
- !(a->selinux_audit_data.auditdeny & avd->auditdeny))
+ a->selinux_audit_data->auditdeny &&
+ !(a->selinux_audit_data->auditdeny & avd->auditdeny))
audited = 0;
} else if (result)
audited = denied = requested;
@@ -551,7 +554,7 @@ int avc_audit(u32 ssid, u32 tsid,
return slow_avc_audit(ssid, tsid, tclass,
requested, audited, denied,
- avd, a, flags);
+ a, flags);
}
/**
@@ -741,6 +744,41 @@ int avc_ss_reset(u32 seqno)
return rc;
}
+/*
+ * Slow-path helper function for avc_has_perm_noaudit,
+ * when the avc_node lookup fails. We get called with
+ * the RCU read lock held, and need to return with it
+ * still held, but drop if for the security compute.
+ *
+ * Don't inline this, since it's the slow-path and just
+ * results in a bigger stack frame.
+ */
+static noinline struct avc_node *avc_compute_av(u32 ssid, u32 tsid,
+ u16 tclass, struct av_decision *avd)
+{
+ rcu_read_unlock();
+ security_compute_av(ssid, tsid, tclass, avd);
+ rcu_read_lock();
+ return avc_insert(ssid, tsid, tclass, avd);
+}
+
+static noinline int avc_denied(u32 ssid, u32 tsid,
+ u16 tclass, u32 requested,
+ unsigned flags,
+ struct av_decision *avd)
+{
+ if (flags & AVC_STRICT)
+ return -EACCES;
+
+ if (selinux_enforcing && !(avd->flags & AVD_FLAGS_PERMISSIVE))
+ return -EACCES;
+
+ avc_update_node(AVC_CALLBACK_GRANT, requested, ssid,
+ tsid, tclass, avd->seqno);
+ return 0;
+}
+
+
/**
* avc_has_perm_noaudit - Check permissions but perform no auditing.
* @ssid: source security identifier
@@ -761,7 +799,7 @@ int avc_ss_reset(u32 seqno)
* auditing, e.g. in cases where a lock must be held for the check but
* should be released for the auditing.
*/
-int avc_has_perm_noaudit(u32 ssid, u32 tsid,
+inline int avc_has_perm_noaudit(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
unsigned flags,
struct av_decision *avd)
@@ -776,26 +814,15 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
node = avc_lookup(ssid, tsid, tclass);
if (unlikely(!node)) {
- rcu_read_unlock();
- security_compute_av(ssid, tsid, tclass, avd);
- rcu_read_lock();
- node = avc_insert(ssid, tsid, tclass, avd);
+ node = avc_compute_av(ssid, tsid, tclass, avd);
} else {
memcpy(avd, &node->ae.avd, sizeof(*avd));
avd = &node->ae.avd;
}
denied = requested & ~(avd->allowed);
-
- if (denied) {
- if (flags & AVC_STRICT)
- rc = -EACCES;
- else if (!selinux_enforcing || (avd->flags & AVD_FLAGS_PERMISSIVE))
- avc_update_node(AVC_CALLBACK_GRANT, requested, ssid,
- tsid, tclass, avd->seqno);
- else
- rc = -EACCES;
- }
+ if (unlikely(denied))
+ rc = avc_denied(ssid, tsid, tclass, requested, flags, avd);
rcu_read_unlock();
return rc;
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 304929909375..d85b793c9321 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -28,7 +28,6 @@
#include <linux/kernel.h>
#include <linux/tracehook.h>
#include <linux/errno.h>
-#include <linux/ext2_fs.h>
#include <linux/sched.h>
#include <linux/security.h>
#include <linux/xattr.h>
@@ -1421,6 +1420,7 @@ static int cred_has_capability(const struct cred *cred,
int cap, int audit)
{
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
struct av_decision avd;
u16 sclass;
u32 sid = cred_sid(cred);
@@ -1428,6 +1428,7 @@ static int cred_has_capability(const struct cred *cred,
int rc;
COMMON_AUDIT_DATA_INIT(&ad, CAP);
+ ad.selinux_audit_data = &sad;
ad.tsk = current;
ad.u.cap = cap;
@@ -1493,9 +1494,11 @@ static int inode_has_perm_noadp(const struct cred *cred,
unsigned flags)
{
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
COMMON_AUDIT_DATA_INIT(&ad, INODE);
ad.u.inode = inode;
+ ad.selinux_audit_data = &sad;
return inode_has_perm(cred, inode, perms, &ad, flags);
}
@@ -1508,9 +1511,11 @@ static inline int dentry_has_perm(const struct cred *cred,
{
struct inode *inode = dentry->d_inode;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
COMMON_AUDIT_DATA_INIT(&ad, DENTRY);
ad.u.dentry = dentry;
+ ad.selinux_audit_data = &sad;
return inode_has_perm(cred, inode, av, &ad, 0);
}
@@ -1523,9 +1528,11 @@ static inline int path_has_perm(const struct cred *cred,
{
struct inode *inode = path->dentry->d_inode;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
COMMON_AUDIT_DATA_INIT(&ad, PATH);
ad.u.path = *path;
+ ad.selinux_audit_data = &sad;
return inode_has_perm(cred, inode, av, &ad, 0);
}
@@ -1544,11 +1551,13 @@ static int file_has_perm(const struct cred *cred,
struct file_security_struct *fsec = file->f_security;
struct inode *inode = file->f_path.dentry->d_inode;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = cred_sid(cred);
int rc;
COMMON_AUDIT_DATA_INIT(&ad, PATH);
ad.u.path = file->f_path;
+ ad.selinux_audit_data = &sad;
if (sid != fsec->sid) {
rc = avc_has_perm(sid, fsec->sid,
@@ -1578,6 +1587,7 @@ static int may_create(struct inode *dir,
struct superblock_security_struct *sbsec;
u32 sid, newsid;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
int rc;
dsec = dir->i_security;
@@ -1588,6 +1598,7 @@ static int may_create(struct inode *dir,
COMMON_AUDIT_DATA_INIT(&ad, DENTRY);
ad.u.dentry = dentry;
+ ad.selinux_audit_data = &sad;
rc = avc_has_perm(sid, dsec->sid, SECCLASS_DIR,
DIR__ADD_NAME | DIR__SEARCH,
@@ -1632,6 +1643,7 @@ static int may_link(struct inode *dir,
{
struct inode_security_struct *dsec, *isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
u32 av;
int rc;
@@ -1641,6 +1653,7 @@ static int may_link(struct inode *dir,
COMMON_AUDIT_DATA_INIT(&ad, DENTRY);
ad.u.dentry = dentry;
+ ad.selinux_audit_data = &sad;
av = DIR__SEARCH;
av |= (kind ? DIR__REMOVE_NAME : DIR__ADD_NAME);
@@ -1675,6 +1688,7 @@ static inline int may_rename(struct inode *old_dir,
{
struct inode_security_struct *old_dsec, *new_dsec, *old_isec, *new_isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
u32 av;
int old_is_dir, new_is_dir;
@@ -1686,6 +1700,7 @@ static inline int may_rename(struct inode *old_dir,
new_dsec = new_dir->i_security;
COMMON_AUDIT_DATA_INIT(&ad, DENTRY);
+ ad.selinux_audit_data = &sad;
ad.u.dentry = old_dentry;
rc = avc_has_perm(sid, old_dsec->sid, SECCLASS_DIR,
@@ -1971,6 +1986,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
struct task_security_struct *new_tsec;
struct inode_security_struct *isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
struct inode *inode = bprm->file->f_path.dentry->d_inode;
int rc;
@@ -2010,6 +2026,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
}
COMMON_AUDIT_DATA_INIT(&ad, PATH);
+ ad.selinux_audit_data = &sad;
ad.u.path = bprm->file->f_path;
if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID)
@@ -2099,6 +2116,7 @@ static inline void flush_unauthorized_files(const struct cred *cred,
struct files_struct *files)
{
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
struct file *file, *devnull = NULL;
struct tty_struct *tty;
struct fdtable *fdt;
@@ -2136,6 +2154,7 @@ static inline void flush_unauthorized_files(const struct cred *cred,
/* Revalidate access to inherited open files. */
COMMON_AUDIT_DATA_INIT(&ad, INODE);
+ ad.selinux_audit_data = &sad;
spin_lock(&files->file_lock);
for (;;) {
@@ -2147,7 +2166,7 @@ static inline void flush_unauthorized_files(const struct cred *cred,
fdt = files_fdtable(files);
if (i >= fdt->max_fds)
break;
- set = fdt->open_fds->fds_bits[j];
+ set = fdt->open_fds[j];
if (!set)
continue;
spin_unlock(&files->file_lock);
@@ -2473,6 +2492,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
{
const struct cred *cred = current_cred();
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
int rc;
rc = superblock_doinit(sb, data);
@@ -2484,6 +2504,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
return 0;
COMMON_AUDIT_DATA_INIT(&ad, DENTRY);
+ ad.selinux_audit_data = &sad;
ad.u.dentry = sb->s_root;
return superblock_has_perm(cred, sb, FILESYSTEM__MOUNT, &ad);
}
@@ -2492,8 +2513,10 @@ static int selinux_sb_statfs(struct dentry *dentry)
{
const struct cred *cred = current_cred();
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
COMMON_AUDIT_DATA_INIT(&ad, DENTRY);
+ ad.selinux_audit_data = &sad;
ad.u.dentry = dentry->d_sb->s_root;
return superblock_has_perm(cred, dentry->d_sb, FILESYSTEM__GETATTR, &ad);
}
@@ -2657,6 +2680,7 @@ static int selinux_inode_permission(struct inode *inode, int mask)
{
const struct cred *cred = current_cred();
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 perms;
bool from_access;
unsigned flags = mask & MAY_NOT_BLOCK;
@@ -2669,10 +2693,11 @@ static int selinux_inode_permission(struct inode *inode, int mask)
return 0;
COMMON_AUDIT_DATA_INIT(&ad, INODE);
+ ad.selinux_audit_data = &sad;
ad.u.inode = inode;
if (from_access)
- ad.selinux_audit_data.auditdeny |= FILE__AUDIT_ACCESS;
+ ad.selinux_audit_data->auditdeny |= FILE__AUDIT_ACCESS;
perms = file_mask_to_av(inode->i_mode, mask);
@@ -2738,6 +2763,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
struct inode_security_struct *isec = inode->i_security;
struct superblock_security_struct *sbsec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 newsid, sid = current_sid();
int rc = 0;
@@ -2752,6 +2778,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
return -EPERM;
COMMON_AUDIT_DATA_INIT(&ad, DENTRY);
+ ad.selinux_audit_data = &sad;
ad.u.dentry = dentry;
rc = avc_has_perm(sid, isec->sid, isec->sclass,
@@ -2971,15 +2998,15 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd,
/* fall through */
case FIGETBSZ:
/* fall through */
- case EXT2_IOC_GETFLAGS:
+ case FS_IOC_GETFLAGS:
/* fall through */
- case EXT2_IOC_GETVERSION:
+ case FS_IOC_GETVERSION:
error = file_has_perm(cred, file, FILE__GETATTR);
break;
- case EXT2_IOC_SETFLAGS:
+ case FS_IOC_SETFLAGS:
/* fall through */
- case EXT2_IOC_SETVERSION:
+ case FS_IOC_SETVERSION:
error = file_has_perm(cred, file, FILE__SETATTR);
break;
@@ -3346,10 +3373,12 @@ static int selinux_kernel_module_request(char *kmod_name)
{
u32 sid;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
sid = task_sid(current);
COMMON_AUDIT_DATA_INIT(&ad, KMOD);
+ ad.selinux_audit_data = &sad;
ad.u.kmod_name = kmod_name;
return avc_has_perm(sid, SECINITSID_KERNEL, SECCLASS_SYSTEM,
@@ -3488,8 +3517,8 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb,
if (ihlen < sizeof(_iph))
goto out;
- ad->u.net.v4info.saddr = ih->saddr;
- ad->u.net.v4info.daddr = ih->daddr;
+ ad->u.net->v4info.saddr = ih->saddr;
+ ad->u.net->v4info.daddr = ih->daddr;
ret = 0;
if (proto)
@@ -3507,8 +3536,8 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb,
if (th == NULL)
break;
- ad->u.net.sport = th->source;
- ad->u.net.dport = th->dest;
+ ad->u.net->sport = th->source;
+ ad->u.net->dport = th->dest;
break;
}
@@ -3523,8 +3552,8 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb,
if (uh == NULL)
break;
- ad->u.net.sport = uh->source;
- ad->u.net.dport = uh->dest;
+ ad->u.net->sport = uh->source;
+ ad->u.net->dport = uh->dest;
break;
}
@@ -3539,8 +3568,8 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb,
if (dh == NULL)
break;
- ad->u.net.sport = dh->dccph_sport;
- ad->u.net.dport = dh->dccph_dport;
+ ad->u.net->sport = dh->dccph_sport;
+ ad->u.net->dport = dh->dccph_dport;
break;
}
@@ -3567,8 +3596,8 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb,
if (ip6 == NULL)
goto out;
- ad->u.net.v6info.saddr = ip6->saddr;
- ad->u.net.v6info.daddr = ip6->daddr;
+ ad->u.net->v6info.saddr = ip6->saddr;
+ ad->u.net->v6info.daddr = ip6->daddr;
ret = 0;
nexthdr = ip6->nexthdr;
@@ -3588,8 +3617,8 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb,
if (th == NULL)
break;
- ad->u.net.sport = th->source;
- ad->u.net.dport = th->dest;
+ ad->u.net->sport = th->source;
+ ad->u.net->dport = th->dest;
break;
}
@@ -3600,8 +3629,8 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb,
if (uh == NULL)
break;
- ad->u.net.sport = uh->source;
- ad->u.net.dport = uh->dest;
+ ad->u.net->sport = uh->source;
+ ad->u.net->dport = uh->dest;
break;
}
@@ -3612,8 +3641,8 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb,
if (dh == NULL)
break;
- ad->u.net.sport = dh->dccph_sport;
- ad->u.net.dport = dh->dccph_dport;
+ ad->u.net->sport = dh->dccph_sport;
+ ad->u.net->dport = dh->dccph_dport;
break;
}
@@ -3633,13 +3662,13 @@ static int selinux_parse_skb(struct sk_buff *skb, struct common_audit_data *ad,
char *addrp;
int ret;
- switch (ad->u.net.family) {
+ switch (ad->u.net->family) {
case PF_INET:
ret = selinux_parse_skb_ipv4(skb, ad, proto);
if (ret)
goto parse_error;
- addrp = (char *)(src ? &ad->u.net.v4info.saddr :
- &ad->u.net.v4info.daddr);
+ addrp = (char *)(src ? &ad->u.net->v4info.saddr :
+ &ad->u.net->v4info.daddr);
goto okay;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
@@ -3647,8 +3676,8 @@ static int selinux_parse_skb(struct sk_buff *skb, struct common_audit_data *ad,
ret = selinux_parse_skb_ipv6(skb, ad, proto);
if (ret)
goto parse_error;
- addrp = (char *)(src ? &ad->u.net.v6info.saddr :
- &ad->u.net.v6info.daddr);
+ addrp = (char *)(src ? &ad->u.net->v6info.saddr :
+ &ad->u.net->v6info.daddr);
goto okay;
#endif /* IPV6 */
default:
@@ -3722,13 +3751,17 @@ static int sock_has_perm(struct task_struct *task, struct sock *sk, u32 perms)
{
struct sk_security_struct *sksec = sk->sk_security;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
u32 tsid = task_sid(task);
if (sksec->sid == SECINITSID_KERNEL)
return 0;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.sk = sk;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->sk = sk;
return avc_has_perm(tsid, sksec->sid, sksec->sclass, perms, &ad);
}
@@ -3806,6 +3839,8 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
char *addrp;
struct sk_security_struct *sksec = sk->sk_security;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
struct sockaddr_in *addr4 = NULL;
struct sockaddr_in6 *addr6 = NULL;
unsigned short snum;
@@ -3832,8 +3867,10 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
if (err)
goto out;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.sport = htons(snum);
- ad.u.net.family = family;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->sport = htons(snum);
+ ad.u.net->family = family;
err = avc_has_perm(sksec->sid, sid,
sksec->sclass,
SOCKET__NAME_BIND, &ad);
@@ -3865,13 +3902,15 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
goto out;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.sport = htons(snum);
- ad.u.net.family = family;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->sport = htons(snum);
+ ad.u.net->family = family;
if (family == PF_INET)
- ad.u.net.v4info.saddr = addr4->sin_addr.s_addr;
+ ad.u.net->v4info.saddr = addr4->sin_addr.s_addr;
else
- ad.u.net.v6info.saddr = addr6->sin6_addr;
+ ad.u.net->v6info.saddr = addr6->sin6_addr;
err = avc_has_perm(sksec->sid, sid,
sksec->sclass, node_perm, &ad);
@@ -3898,6 +3937,8 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address,
if (sksec->sclass == SECCLASS_TCP_SOCKET ||
sksec->sclass == SECCLASS_DCCP_SOCKET) {
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
struct sockaddr_in *addr4 = NULL;
struct sockaddr_in6 *addr6 = NULL;
unsigned short snum;
@@ -3923,8 +3964,10 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address,
TCP_SOCKET__NAME_CONNECT : DCCP_SOCKET__NAME_CONNECT;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.dport = htons(snum);
- ad.u.net.family = sk->sk_family;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->dport = htons(snum);
+ ad.u.net->family = sk->sk_family;
err = avc_has_perm(sksec->sid, sid, sksec->sclass, perm, &ad);
if (err)
goto out;
@@ -4013,10 +4056,14 @@ static int selinux_socket_unix_stream_connect(struct sock *sock,
struct sk_security_struct *sksec_other = other->sk_security;
struct sk_security_struct *sksec_new = newsk->sk_security;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
int err;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.sk = other;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->sk = other;
err = avc_has_perm(sksec_sock->sid, sksec_other->sid,
sksec_other->sclass,
@@ -4043,9 +4090,13 @@ static int selinux_socket_unix_may_send(struct socket *sock,
struct sk_security_struct *ssec = sock->sk->sk_security;
struct sk_security_struct *osec = other->sk->sk_security;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.sk = other->sk;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->sk = other->sk;
return avc_has_perm(ssec->sid, osec->sid, osec->sclass, SOCKET__SENDTO,
&ad);
@@ -4081,11 +4132,15 @@ static int selinux_sock_rcv_skb_compat(struct sock *sk, struct sk_buff *skb,
struct sk_security_struct *sksec = sk->sk_security;
u32 sk_sid = sksec->sid;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
char *addrp;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.netif = skb->skb_iif;
- ad.u.net.family = family;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->netif = skb->skb_iif;
+ ad.u.net->family = family;
err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL);
if (err)
return err;
@@ -4112,6 +4167,8 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
u16 family = sk->sk_family;
u32 sk_sid = sksec->sid;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
char *addrp;
u8 secmark_active;
u8 peerlbl_active;
@@ -4136,8 +4193,10 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
return 0;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.netif = skb->skb_iif;
- ad.u.net.family = family;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->netif = skb->skb_iif;
+ ad.u.net->family = family;
err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL);
if (err)
return err;
@@ -4472,6 +4531,8 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex,
char *addrp;
u32 peer_sid;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
u8 secmark_active;
u8 netlbl_active;
u8 peerlbl_active;
@@ -4489,8 +4550,10 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex,
return NF_DROP;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.netif = ifindex;
- ad.u.net.family = family;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->netif = ifindex;
+ ad.u.net->family = family;
if (selinux_parse_skb(skb, &ad, &addrp, 1, NULL) != 0)
return NF_DROP;
@@ -4577,6 +4640,8 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
struct sock *sk = skb->sk;
struct sk_security_struct *sksec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
char *addrp;
u8 proto;
@@ -4585,8 +4650,10 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
sksec = sk->sk_security;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.netif = ifindex;
- ad.u.net.family = family;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->netif = ifindex;
+ ad.u.net->family = family;
if (selinux_parse_skb(skb, &ad, &addrp, 0, &proto))
return NF_DROP;
@@ -4608,6 +4675,8 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex,
u32 peer_sid;
struct sock *sk;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
+ struct lsm_network_audit net = {0,};
char *addrp;
u8 secmark_active;
u8 peerlbl_active;
@@ -4654,8 +4723,10 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex,
}
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.netif = ifindex;
- ad.u.net.family = family;
+ ad.selinux_audit_data = &sad;
+ ad.u.net = &net;
+ ad.u.net->netif = ifindex;
+ ad.u.net->family = family;
if (selinux_parse_skb(skb, &ad, &addrp, 0, NULL))
return NF_DROP;
@@ -4770,11 +4841,13 @@ static int ipc_has_perm(struct kern_ipc_perm *ipc_perms,
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
isec = ipc_perms->security;
COMMON_AUDIT_DATA_INIT(&ad, IPC);
+ ad.selinux_audit_data = &sad;
ad.u.ipc_id = ipc_perms->key;
return avc_has_perm(sid, isec->sid, isec->sclass, perms, &ad);
@@ -4795,6 +4868,7 @@ static int selinux_msg_queue_alloc_security(struct msg_queue *msq)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
int rc;
@@ -4805,6 +4879,7 @@ static int selinux_msg_queue_alloc_security(struct msg_queue *msq)
isec = msq->q_perm.security;
COMMON_AUDIT_DATA_INIT(&ad, IPC);
+ ad.selinux_audit_data = &sad;
ad.u.ipc_id = msq->q_perm.key;
rc = avc_has_perm(sid, isec->sid, SECCLASS_MSGQ,
@@ -4825,11 +4900,13 @@ static int selinux_msg_queue_associate(struct msg_queue *msq, int msqflg)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
isec = msq->q_perm.security;
COMMON_AUDIT_DATA_INIT(&ad, IPC);
+ ad.selinux_audit_data = &sad;
ad.u.ipc_id = msq->q_perm.key;
return avc_has_perm(sid, isec->sid, SECCLASS_MSGQ,
@@ -4869,6 +4946,7 @@ static int selinux_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
struct ipc_security_struct *isec;
struct msg_security_struct *msec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
int rc;
@@ -4890,6 +4968,7 @@ static int selinux_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
}
COMMON_AUDIT_DATA_INIT(&ad, IPC);
+ ad.selinux_audit_data = &sad;
ad.u.ipc_id = msq->q_perm.key;
/* Can this process write to the queue? */
@@ -4914,6 +4993,7 @@ static int selinux_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
struct ipc_security_struct *isec;
struct msg_security_struct *msec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = task_sid(target);
int rc;
@@ -4921,6 +5001,7 @@ static int selinux_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
msec = msg->security;
COMMON_AUDIT_DATA_INIT(&ad, IPC);
+ ad.selinux_audit_data = &sad;
ad.u.ipc_id = msq->q_perm.key;
rc = avc_has_perm(sid, isec->sid,
@@ -4936,6 +5017,7 @@ static int selinux_shm_alloc_security(struct shmid_kernel *shp)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
int rc;
@@ -4946,6 +5028,7 @@ static int selinux_shm_alloc_security(struct shmid_kernel *shp)
isec = shp->shm_perm.security;
COMMON_AUDIT_DATA_INIT(&ad, IPC);
+ ad.selinux_audit_data = &sad;
ad.u.ipc_id = shp->shm_perm.key;
rc = avc_has_perm(sid, isec->sid, SECCLASS_SHM,
@@ -4966,11 +5049,13 @@ static int selinux_shm_associate(struct shmid_kernel *shp, int shmflg)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
isec = shp->shm_perm.security;
COMMON_AUDIT_DATA_INIT(&ad, IPC);
+ ad.selinux_audit_data = &sad;
ad.u.ipc_id = shp->shm_perm.key;
return avc_has_perm(sid, isec->sid, SECCLASS_SHM,
@@ -5028,6 +5113,7 @@ static int selinux_sem_alloc_security(struct sem_array *sma)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
int rc;
@@ -5038,6 +5124,7 @@ static int selinux_sem_alloc_security(struct sem_array *sma)
isec = sma->sem_perm.security;
COMMON_AUDIT_DATA_INIT(&ad, IPC);
+ ad.selinux_audit_data = &sad;
ad.u.ipc_id = sma->sem_perm.key;
rc = avc_has_perm(sid, isec->sid, SECCLASS_SEM,
@@ -5058,11 +5145,13 @@ static int selinux_sem_associate(struct sem_array *sma, int semflg)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
+ struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
isec = sma->sem_perm.security;
COMMON_AUDIT_DATA_INIT(&ad, IPC);
+ ad.selinux_audit_data = &sad;
ad.u.ipc_id = sma->sem_perm.key;
return avc_has_perm(sid, isec->sid, SECCLASS_SEM,
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index 47fda963495d..1931370233d7 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -15,7 +15,6 @@
#include <linux/audit.h>
#include <linux/lsm_audit.h>
#include <linux/in6.h>
-#include <asm/system.h>
#include "flask.h"
#include "av_permissions.h"
#include "security.h"
@@ -48,6 +47,31 @@ struct avc_cache_stats {
};
/*
+ * We only need this data after we have decided to send an audit message.
+ */
+struct selinux_late_audit_data {
+ u32 ssid;
+ u32 tsid;
+ u16 tclass;
+ u32 requested;
+ u32 audited;
+ u32 denied;
+ int result;
+};
+
+/*
+ * We collect this at the beginning or during an selinux security operation
+ */
+struct selinux_audit_data {
+ /*
+ * auditdeny is a bit tricky and unintuitive. See the
+ * comments in avc.c for it's meaning and usage.
+ */
+ u32 auditdeny;
+ struct selinux_late_audit_data *slad;
+};
+
+/*
* AVC operations
*/
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index b43813c9e049..c220f314709c 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -7,6 +7,8 @@
#ifndef _SELINUX_XFRM_H_
#define _SELINUX_XFRM_H_
+#include <net/flow.h>
+
int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
struct xfrm_user_sec_ctx *sec_ctx);
int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 48a7d0014b4f..d7018bfa1f00 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -344,7 +344,7 @@ static int sel_make_classes(void);
static int sel_make_policycap(void);
/* declaration for sel_make_class_dirs */
-static int sel_make_dir(struct inode *dir, struct dentry *dentry,
+static struct dentry *sel_make_dir(struct dentry *dir, const char *name,
unsigned long *ino);
static ssize_t sel_read_mls(struct file *filp, char __user *buf,
@@ -1678,13 +1678,9 @@ static int sel_make_class_dir_entries(char *classname, int index,
inode->i_ino = sel_class_to_ino(index);
d_add(dentry, inode);
- dentry = d_alloc_name(dir, "perms");
- if (!dentry)
- return -ENOMEM;
-
- rc = sel_make_dir(dir->d_inode, dentry, &last_class_ino);
- if (rc)
- return rc;
+ dentry = sel_make_dir(dir, "perms", &last_class_ino);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
rc = sel_make_perm_files(classname, index, dentry);
@@ -1733,15 +1729,12 @@ static int sel_make_classes(void)
for (i = 0; i < nclasses; i++) {
struct dentry *class_name_dir;
- rc = -ENOMEM;
- class_name_dir = d_alloc_name(class_dir, classes[i]);
- if (!class_name_dir)
- goto out;
-
- rc = sel_make_dir(class_dir->d_inode, class_name_dir,
+ class_name_dir = sel_make_dir(class_dir, classes[i],
&last_class_ino);
- if (rc)
+ if (IS_ERR(class_name_dir)) {
+ rc = PTR_ERR(class_name_dir);
goto out;
+ }
/* i+1 since class values are 1-indexed */
rc = sel_make_class_dir_entries(classes[i], i + 1,
@@ -1787,14 +1780,20 @@ static int sel_make_policycap(void)
return 0;
}
-static int sel_make_dir(struct inode *dir, struct dentry *dentry,
+static struct dentry *sel_make_dir(struct dentry *dir, const char *name,
unsigned long *ino)
{
+ struct dentry *dentry = d_alloc_name(dir, name);
struct inode *inode;
- inode = sel_make_inode(dir->i_sb, S_IFDIR | S_IRUGO | S_IXUGO);
- if (!inode)
- return -ENOMEM;
+ if (!dentry)
+ return ERR_PTR(-ENOMEM);
+
+ inode = sel_make_inode(dir->d_sb, S_IFDIR | S_IRUGO | S_IXUGO);
+ if (!inode) {
+ dput(dentry);
+ return ERR_PTR(-ENOMEM);
+ }
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
@@ -1803,16 +1802,16 @@ static int sel_make_dir(struct inode *dir, struct dentry *dentry,
inc_nlink(inode);
d_add(dentry, inode);
/* bump link count on parent directory, too */
- inc_nlink(dir);
+ inc_nlink(dir->d_inode);
- return 0;
+ return dentry;
}
static int sel_fill_super(struct super_block *sb, void *data, int silent)
{
int ret;
struct dentry *dentry;
- struct inode *inode, *root_inode;
+ struct inode *inode;
struct inode_security_struct *isec;
static struct tree_descr selinux_files[] = {
@@ -1839,18 +1838,12 @@ static int sel_fill_super(struct super_block *sb, void *data, int silent)
if (ret)
goto err;
- root_inode = sb->s_root->d_inode;
-
- ret = -ENOMEM;
- dentry = d_alloc_name(sb->s_root, BOOL_DIR_NAME);
- if (!dentry)
+ bool_dir = sel_make_dir(sb->s_root, BOOL_DIR_NAME, &sel_last_ino);
+ if (IS_ERR(bool_dir)) {
+ ret = PTR_ERR(bool_dir);
+ bool_dir = NULL;
goto err;
-
- ret = sel_make_dir(root_inode, dentry, &sel_last_ino);
- if (ret)
- goto err;
-
- bool_dir = dentry;
+ }
ret = -ENOMEM;
dentry = d_alloc_name(sb->s_root, NULL_FILE_NAME);
@@ -1872,54 +1865,39 @@ static int sel_fill_super(struct super_block *sb, void *data, int silent)
d_add(dentry, inode);
selinux_null = dentry;
- ret = -ENOMEM;
- dentry = d_alloc_name(sb->s_root, "avc");
- if (!dentry)
- goto err;
-
- ret = sel_make_dir(root_inode, dentry, &sel_last_ino);
- if (ret)
+ dentry = sel_make_dir(sb->s_root, "avc", &sel_last_ino);
+ if (IS_ERR(dentry)) {
+ ret = PTR_ERR(dentry);
goto err;
+ }
ret = sel_make_avc_files(dentry);
if (ret)
goto err;
- ret = -ENOMEM;
- dentry = d_alloc_name(sb->s_root, "initial_contexts");
- if (!dentry)
- goto err;
-
- ret = sel_make_dir(root_inode, dentry, &sel_last_ino);
- if (ret)
+ dentry = sel_make_dir(sb->s_root, "initial_contexts", &sel_last_ino);
+ if (IS_ERR(dentry)) {
+ ret = PTR_ERR(dentry);
goto err;
+ }
ret = sel_make_initcon_files(dentry);
if (ret)
goto err;
- ret = -ENOMEM;
- dentry = d_alloc_name(sb->s_root, "class");
- if (!dentry)
- goto err;
-
- ret = sel_make_dir(root_inode, dentry, &sel_last_ino);
- if (ret)
- goto err;
-
- class_dir = dentry;
-
- ret = -ENOMEM;
- dentry = d_alloc_name(sb->s_root, "policy_capabilities");
- if (!dentry)
+ class_dir = sel_make_dir(sb->s_root, "class", &sel_last_ino);
+ if (IS_ERR(class_dir)) {
+ ret = PTR_ERR(class_dir);
+ class_dir = NULL;
goto err;
+ }
- ret = sel_make_dir(root_inode, dentry, &sel_last_ino);
- if (ret)
+ policycap_dir = sel_make_dir(sb->s_root, "policy_capabilities", &sel_last_ino);
+ if (IS_ERR(policycap_dir)) {
+ ret = PTR_ERR(policycap_dir);
+ policycap_dir = NULL;
goto err;
-
- policycap_dir = dentry;
-
+ }
return 0;
err:
printk(KERN_ERR "SELinux: %s: failed while creating inodes\n",
diff --git a/security/smack/smack.h b/security/smack/smack.h
index 2ad00657b801..4ede719922ed 100644
--- a/security/smack/smack.h
+++ b/security/smack/smack.h
@@ -185,6 +185,15 @@ struct smack_known {
*/
#define SMK_NUM_ACCESS_TYPE 5
+/* SMACK data */
+struct smack_audit_data {
+ const char *function;
+ char *subject;
+ char *object;
+ char *request;
+ int result;
+};
+
/*
* Smack audit data; is empty if CONFIG_AUDIT not set
* to save some stack
@@ -192,6 +201,7 @@ struct smack_known {
struct smk_audit_info {
#ifdef CONFIG_AUDIT
struct common_audit_data a;
+ struct smack_audit_data sad;
#endif
};
/*
@@ -311,7 +321,16 @@ static inline void smk_ad_init(struct smk_audit_info *a, const char *func,
{
memset(a, 0, sizeof(*a));
a->a.type = type;
- a->a.smack_audit_data.function = func;
+ a->a.smack_audit_data = &a->sad;
+ a->a.smack_audit_data->function = func;
+}
+
+static inline void smk_ad_init_net(struct smk_audit_info *a, const char *func,
+ char type, struct lsm_network_audit *net)
+{
+ smk_ad_init(a, func, type);
+ memset(net, 0, sizeof(*net));
+ a->a.u.net = net;
}
static inline void smk_ad_setfield_u_tsk(struct smk_audit_info *a,
@@ -337,7 +356,7 @@ static inline void smk_ad_setfield_u_fs_path(struct smk_audit_info *a,
static inline void smk_ad_setfield_u_net_sk(struct smk_audit_info *a,
struct sock *sk)
{
- a->a.u.net.sk = sk;
+ a->a.u.net->sk = sk;
}
#else /* no AUDIT */
diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
index cc7cb6edba08..c8115f7308f8 100644
--- a/security/smack/smack_access.c
+++ b/security/smack/smack_access.c
@@ -275,9 +275,9 @@ static inline void smack_str_from_perm(char *string, int access)
static void smack_log_callback(struct audit_buffer *ab, void *a)
{
struct common_audit_data *ad = a;
- struct smack_audit_data *sad = &ad->smack_audit_data;
+ struct smack_audit_data *sad = ad->smack_audit_data;
audit_log_format(ab, "lsm=SMACK fn=%s action=%s",
- ad->smack_audit_data.function,
+ ad->smack_audit_data->function,
sad->result ? "denied" : "granted");
audit_log_format(ab, " subject=");
audit_log_untrustedstring(ab, sad->subject);
@@ -310,19 +310,19 @@ void smack_log(char *subject_label, char *object_label, int request,
if (result == 0 && (log_policy & SMACK_AUDIT_ACCEPT) == 0)
return;
- if (a->smack_audit_data.function == NULL)
- a->smack_audit_data.function = "unknown";
+ sad = a->smack_audit_data;
+
+ if (sad->function == NULL)
+ sad->function = "unknown";
/* end preparing the audit data */
- sad = &a->smack_audit_data;
smack_str_from_perm(request_buffer, request);
sad->subject = subject_label;
sad->object = object_label;
sad->request = request_buffer;
sad->result = result;
- a->lsm_pre_audit = smack_log_callback;
- common_lsm_audit(a);
+ common_lsm_audit(a, smack_log_callback, NULL);
}
#else /* #ifdef CONFIG_AUDIT */
void smack_log(char *subject_label, char *object_label, int request,
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index cd667b4089a5..81c03a597112 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -1939,16 +1939,17 @@ static int smack_netlabel_send(struct sock *sk, struct sockaddr_in *sap)
char *hostsp;
struct socket_smack *ssp = sk->sk_security;
struct smk_audit_info ad;
+ struct lsm_network_audit net;
rcu_read_lock();
hostsp = smack_host_label(sap);
if (hostsp != NULL) {
sk_lbl = SMACK_UNLABELED_SOCKET;
#ifdef CONFIG_AUDIT
- smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
- ad.a.u.net.family = sap->sin_family;
- ad.a.u.net.dport = sap->sin_port;
- ad.a.u.net.v4info.daddr = sap->sin_addr.s_addr;
+ smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
+ ad.a.u.net->family = sap->sin_family;
+ ad.a.u.net->dport = sap->sin_port;
+ ad.a.u.net->v4info.daddr = sap->sin_addr.s_addr;
#endif
rc = smk_access(ssp->smk_out, hostsp, MAY_WRITE, &ad);
} else {
@@ -2808,9 +2809,10 @@ static int smack_unix_stream_connect(struct sock *sock,
struct socket_smack *osp = other->sk_security;
struct socket_smack *nsp = newsk->sk_security;
struct smk_audit_info ad;
+ struct lsm_network_audit net;
int rc = 0;
- smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
+ smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
smk_ad_setfield_u_net_sk(&ad, other);
if (!capable(CAP_MAC_OVERRIDE))
@@ -2840,9 +2842,10 @@ static int smack_unix_may_send(struct socket *sock, struct socket *other)
struct socket_smack *ssp = sock->sk->sk_security;
struct socket_smack *osp = other->sk->sk_security;
struct smk_audit_info ad;
+ struct lsm_network_audit net;
int rc = 0;
- smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
+ smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
smk_ad_setfield_u_net_sk(&ad, other->sk);
if (!capable(CAP_MAC_OVERRIDE))
@@ -2990,6 +2993,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
char *csp;
int rc;
struct smk_audit_info ad;
+ struct lsm_network_audit net;
if (sk->sk_family != PF_INET && sk->sk_family != PF_INET6)
return 0;
@@ -3007,9 +3011,9 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
netlbl_secattr_destroy(&secattr);
#ifdef CONFIG_AUDIT
- smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
- ad.a.u.net.family = sk->sk_family;
- ad.a.u.net.netif = skb->skb_iif;
+ smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
+ ad.a.u.net->family = sk->sk_family;
+ ad.a.u.net->netif = skb->skb_iif;
ipv4_skb_to_auditdata(skb, &ad.a, NULL);
#endif
/*
@@ -3152,6 +3156,7 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb,
char *sp;
int rc;
struct smk_audit_info ad;
+ struct lsm_network_audit net;
/* handle mapped IPv4 packets arriving via IPv6 sockets */
if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP))
@@ -3166,9 +3171,9 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb,
netlbl_secattr_destroy(&secattr);
#ifdef CONFIG_AUDIT
- smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
- ad.a.u.net.family = family;
- ad.a.u.net.netif = skb->skb_iif;
+ smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
+ ad.a.u.net->family = family;
+ ad.a.u.net->netif = skb->skb_iif;
ipv4_skb_to_auditdata(skb, &ad.a, NULL);
#endif
/*
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-01 23:43:58 +0300