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Diffstat (limited to 'security/selinux/ss')
-rw-r--r--security/selinux/ss/avtab.c40
-rw-r--r--security/selinux/ss/conditional.c16
-rw-r--r--security/selinux/ss/ebitmap.c14
-rw-r--r--security/selinux/ss/policydb.c65
-rw-r--r--security/selinux/ss/policydb.h2
-rw-r--r--security/selinux/ss/services.c69
6 files changed, 121 insertions, 85 deletions
diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c
index cd10e27fc9e..916e73a18bc 100644
--- a/security/selinux/ss/avtab.c
+++ b/security/selinux/ss/avtab.c
@@ -280,8 +280,8 @@ int avtab_alloc(struct avtab *h, u32 nrules)
h->nel = 0;
h->nslot = nslot;
h->mask = mask;
- printk(KERN_DEBUG "SELinux:%d avtab hash slots allocated. "
- "Num of rules:%d\n", h->nslot, nrules);
+ printk(KERN_DEBUG "SELinux: %d avtab hash slots, %d rules.\n",
+ h->nslot, nrules);
return 0;
}
@@ -345,18 +345,18 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
if (vers < POLICYDB_VERSION_AVTAB) {
rc = next_entry(buf32, fp, sizeof(u32));
if (rc < 0) {
- printk(KERN_ERR "security: avtab: truncated entry\n");
+ printk(KERN_ERR "SELinux: avtab: truncated entry\n");
return -1;
}
items2 = le32_to_cpu(buf32[0]);
if (items2 > ARRAY_SIZE(buf32)) {
- printk(KERN_ERR "security: avtab: entry overflow\n");
+ printk(KERN_ERR "SELinux: avtab: entry overflow\n");
return -1;
}
rc = next_entry(buf32, fp, sizeof(u32)*items2);
if (rc < 0) {
- printk(KERN_ERR "security: avtab: truncated entry\n");
+ printk(KERN_ERR "SELinux: avtab: truncated entry\n");
return -1;
}
items = 0;
@@ -364,19 +364,19 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
val = le32_to_cpu(buf32[items++]);
key.source_type = (u16)val;
if (key.source_type != val) {
- printk("security: avtab: truncated source type\n");
+ printk("SELinux: avtab: truncated source type\n");
return -1;
}
val = le32_to_cpu(buf32[items++]);
key.target_type = (u16)val;
if (key.target_type != val) {
- printk("security: avtab: truncated target type\n");
+ printk("SELinux: avtab: truncated target type\n");
return -1;
}
val = le32_to_cpu(buf32[items++]);
key.target_class = (u16)val;
if (key.target_class != val) {
- printk("security: avtab: truncated target class\n");
+ printk("SELinux: avtab: truncated target class\n");
return -1;
}
@@ -384,12 +384,12 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
enabled = (val & AVTAB_ENABLED_OLD) ? AVTAB_ENABLED : 0;
if (!(val & (AVTAB_AV | AVTAB_TYPE))) {
- printk("security: avtab: null entry\n");
+ printk("SELinux: avtab: null entry\n");
return -1;
}
if ((val & AVTAB_AV) &&
(val & AVTAB_TYPE)) {
- printk("security: avtab: entry has both access vectors and types\n");
+ printk("SELinux: avtab: entry has both access vectors and types\n");
return -1;
}
@@ -403,7 +403,7 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
}
if (items != items2) {
- printk("security: avtab: entry only had %d items, expected %d\n", items2, items);
+ printk("SELinux: avtab: entry only had %d items, expected %d\n", items2, items);
return -1;
}
return 0;
@@ -411,7 +411,7 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
rc = next_entry(buf16, fp, sizeof(u16)*4);
if (rc < 0) {
- printk("security: avtab: truncated entry\n");
+ printk("SELinux: avtab: truncated entry\n");
return -1;
}
@@ -424,7 +424,7 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
if (!policydb_type_isvalid(pol, key.source_type) ||
!policydb_type_isvalid(pol, key.target_type) ||
!policydb_class_isvalid(pol, key.target_class)) {
- printk(KERN_WARNING "security: avtab: invalid type or class\n");
+ printk(KERN_WARNING "SELinux: avtab: invalid type or class\n");
return -1;
}
@@ -435,19 +435,19 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
}
if (!set || set > 1) {
printk(KERN_WARNING
- "security: avtab: more than one specifier\n");
+ "SELinux: avtab: more than one specifier\n");
return -1;
}
rc = next_entry(buf32, fp, sizeof(u32));
if (rc < 0) {
- printk("security: avtab: truncated entry\n");
+ printk("SELinux: avtab: truncated entry\n");
return -1;
}
datum.data = le32_to_cpu(*buf32);
if ((key.specified & AVTAB_TYPE) &&
!policydb_type_isvalid(pol, datum.data)) {
- printk(KERN_WARNING "security: avtab: invalid type\n");
+ printk(KERN_WARNING "SELinux: avtab: invalid type\n");
return -1;
}
return insertf(a, &key, &datum, p);
@@ -468,12 +468,12 @@ int avtab_read(struct avtab *a, void *fp, struct policydb *pol)
rc = next_entry(buf, fp, sizeof(u32));
if (rc < 0) {
- printk(KERN_ERR "security: avtab: truncated table\n");
+ printk(KERN_ERR "SELinux: avtab: truncated table\n");
goto bad;
}
nel = le32_to_cpu(buf[0]);
if (!nel) {
- printk(KERN_ERR "security: avtab: table is empty\n");
+ printk(KERN_ERR "SELinux: avtab: table is empty\n");
rc = -EINVAL;
goto bad;
}
@@ -486,9 +486,9 @@ int avtab_read(struct avtab *a, void *fp, struct policydb *pol)
rc = avtab_read_item(a, fp, pol, avtab_insertf, NULL);
if (rc) {
if (rc == -ENOMEM)
- printk(KERN_ERR "security: avtab: out of memory\n");
+ printk(KERN_ERR "SELinux: avtab: out of memory\n");
else if (rc == -EEXIST)
- printk(KERN_ERR "security: avtab: duplicate entry\n");
+ printk(KERN_ERR "SELinux: avtab: duplicate entry\n");
else
rc = -EINVAL;
goto bad;
diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index 50ad85d4b77..a996cf1d378 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -96,7 +96,7 @@ int evaluate_cond_node(struct policydb *p, struct cond_node *node)
if (new_state != node->cur_state) {
node->cur_state = new_state;
if (new_state == -1)
- printk(KERN_ERR "security: expression result was undefined - disabling all rules.\n");
+ printk(KERN_ERR "SELinux: expression result was undefined - disabling all rules.\n");
/* turn the rules on or off */
for (cur = node->true_list; cur != NULL; cur = cur->next) {
if (new_state <= 0) {
@@ -276,7 +276,7 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum
*/
if (k->specified & AVTAB_TYPE) {
if (avtab_search(&p->te_avtab, k)) {
- printk("security: type rule already exists outside of a conditional.");
+ printk("SELinux: type rule already exists outside of a conditional.");
goto err;
}
/*
@@ -291,7 +291,7 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum
node_ptr = avtab_search_node(&p->te_cond_avtab, k);
if (node_ptr) {
if (avtab_search_node_next(node_ptr, k->specified)) {
- printk("security: too many conflicting type rules.");
+ printk("SELinux: too many conflicting type rules.");
goto err;
}
found = 0;
@@ -302,13 +302,13 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum
}
}
if (!found) {
- printk("security: conflicting type rules.\n");
+ printk("SELinux: conflicting type rules.\n");
goto err;
}
}
} else {
if (avtab_search(&p->te_cond_avtab, k)) {
- printk("security: conflicting type rules when adding type rule for true.\n");
+ printk("SELinux: conflicting type rules when adding type rule for true.\n");
goto err;
}
}
@@ -316,7 +316,7 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum
node_ptr = avtab_insert_nonunique(&p->te_cond_avtab, k, d);
if (!node_ptr) {
- printk("security: could not insert rule.");
+ printk("SELinux: could not insert rule.");
goto err;
}
@@ -376,12 +376,12 @@ static int cond_read_av_list(struct policydb *p, void *fp, struct cond_av_list *
static int expr_isvalid(struct policydb *p, struct cond_expr *expr)
{
if (expr->expr_type <= 0 || expr->expr_type > COND_LAST) {
- printk("security: conditional expressions uses unknown operator.\n");
+ printk("SELinux: conditional expressions uses unknown operator.\n");
return 0;
}
if (expr->bool > p->p_bools.nprim) {
- printk("security: conditional expressions uses unknown bool.\n");
+ printk("SELinux: conditional expressions uses unknown bool.\n");
return 0;
}
return 1;
diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c
index 920b5e36a1a..e499af474b3 100644
--- a/security/selinux/ss/ebitmap.c
+++ b/security/selinux/ss/ebitmap.c
@@ -364,7 +364,7 @@ int ebitmap_read(struct ebitmap *e, void *fp)
count = le32_to_cpu(buf[2]);
if (mapunit != sizeof(u64) * 8) {
- printk(KERN_ERR "security: ebitmap: map size %u does not "
+ printk(KERN_ERR "SELinux: ebitmap: map size %u does not "
"match my size %Zd (high bit was %d)\n",
mapunit, sizeof(u64) * 8, e->highbit);
goto bad;
@@ -382,19 +382,19 @@ int ebitmap_read(struct ebitmap *e, void *fp)
for (i = 0; i < count; i++) {
rc = next_entry(&startbit, fp, sizeof(u32));
if (rc < 0) {
- printk(KERN_ERR "security: ebitmap: truncated map\n");
+ printk(KERN_ERR "SELinux: ebitmap: truncated map\n");
goto bad;
}
startbit = le32_to_cpu(startbit);
if (startbit & (mapunit - 1)) {
- printk(KERN_ERR "security: ebitmap start bit (%d) is "
+ printk(KERN_ERR "SELinux: ebitmap start bit (%d) is "
"not a multiple of the map unit size (%u)\n",
startbit, mapunit);
goto bad;
}
if (startbit > e->highbit - mapunit) {
- printk(KERN_ERR "security: ebitmap start bit (%d) is "
+ printk(KERN_ERR "SELinux: ebitmap start bit (%d) is "
"beyond the end of the bitmap (%u)\n",
startbit, (e->highbit - mapunit));
goto bad;
@@ -405,7 +405,7 @@ int ebitmap_read(struct ebitmap *e, void *fp)
tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
if (!tmp) {
printk(KERN_ERR
- "security: ebitmap: out of memory\n");
+ "SELinux: ebitmap: out of memory\n");
rc = -ENOMEM;
goto bad;
}
@@ -418,7 +418,7 @@ int ebitmap_read(struct ebitmap *e, void *fp)
}
n = tmp;
} else if (startbit <= n->startbit) {
- printk(KERN_ERR "security: ebitmap: start bit %d"
+ printk(KERN_ERR "SELinux: ebitmap: start bit %d"
" comes after start bit %d\n",
startbit, n->startbit);
goto bad;
@@ -426,7 +426,7 @@ int ebitmap_read(struct ebitmap *e, void *fp)
rc = next_entry(&map, fp, sizeof(u64));
if (rc < 0) {
- printk(KERN_ERR "security: ebitmap: truncated map\n");
+ printk(KERN_ERR "SELinux: ebitmap: truncated map\n");
goto bad;
}
map = le64_to_cpu(map);
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index bd7d6a00342..6bdb0ff6a92 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -111,6 +111,11 @@ static struct policydb_compat_info policydb_compat[] = {
.version = POLICYDB_VERSION_POLCAP,
.sym_num = SYM_NUM,
.ocon_num = OCON_NUM,
+ },
+ {
+ .version = POLICYDB_VERSION_PERMISSIVE,
+ .sym_num = SYM_NUM,
+ .ocon_num = OCON_NUM,
}
};
@@ -194,6 +199,7 @@ static int policydb_init(struct policydb *p)
goto out_free_symtab;
ebitmap_init(&p->policycaps);
+ ebitmap_init(&p->permissive_map);
out:
return rc;
@@ -401,14 +407,14 @@ static int policydb_index_others(struct policydb *p)
{
int i, rc = 0;
- printk(KERN_DEBUG "security: %d users, %d roles, %d types, %d bools",
+ printk(KERN_DEBUG "SELinux: %d users, %d roles, %d types, %d bools",
p->p_users.nprim, p->p_roles.nprim, p->p_types.nprim, p->p_bools.nprim);
if (selinux_mls_enabled)
printk(", %d sens, %d cats", p->p_levels.nprim,
p->p_cats.nprim);
printk("\n");
- printk(KERN_DEBUG "security: %d classes, %d rules\n",
+ printk(KERN_DEBUG "SELinux: %d classes, %d rules\n",
p->p_classes.nprim, p->te_avtab.nel);
#ifdef DEBUG_HASHES
@@ -687,6 +693,7 @@ void policydb_destroy(struct policydb *p)
kfree(p->type_attr_map);
kfree(p->undefined_perms);
ebitmap_destroy(&p->policycaps);
+ ebitmap_destroy(&p->permissive_map);
return;
}
@@ -702,20 +709,20 @@ int policydb_load_isids(struct policydb *p, struct sidtab *s)
rc = sidtab_init(s);
if (rc) {
- printk(KERN_ERR "security: out of memory on SID table init\n");
+ printk(KERN_ERR "SELinux: out of memory on SID table init\n");
goto out;
}
head = p->ocontexts[OCON_ISID];
for (c = head; c; c = c->next) {
if (!c->context[0].user) {
- printk(KERN_ERR "security: SID %s was never "
+ printk(KERN_ERR "SELinux: SID %s was never "
"defined.\n", c->u.name);
rc = -EINVAL;
goto out;
}
if (sidtab_insert(s, c->sid[0], &c->context[0])) {
- printk(KERN_ERR "security: unable to load initial "
+ printk(KERN_ERR "SELinux: unable to load initial "
"SID %s.\n", c->u.name);
rc = -EINVAL;
goto out;
@@ -809,13 +816,13 @@ static int mls_read_range_helper(struct mls_range *r, void *fp)
items = le32_to_cpu(buf[0]);
if (items > ARRAY_SIZE(buf)) {
- printk(KERN_ERR "security: mls: range overflow\n");
+ printk(KERN_ERR "SELinux: mls: range overflow\n");
rc = -EINVAL;
goto out;
}
rc = next_entry(buf, fp, sizeof(u32) * items);
if (rc < 0) {
- printk(KERN_ERR "security: mls: truncated range\n");
+ printk(KERN_ERR "SELinux: mls: truncated range\n");
goto out;
}
r->level[0].sens = le32_to_cpu(buf[0]);
@@ -826,21 +833,21 @@ static int mls_read_range_helper(struct mls_range *r, void *fp)
rc = ebitmap_read(&r->level[0].cat, fp);
if (rc) {
- printk(KERN_ERR "security: mls: error reading low "
+ printk(KERN_ERR "SELinux: mls: error reading low "
"categories\n");
goto out;
}
if (items > 1) {
rc = ebitmap_read(&r->level[1].cat, fp);
if (rc) {
- printk(KERN_ERR "security: mls: error reading high "
+ printk(KERN_ERR "SELinux: mls: error reading high "
"categories\n");
goto bad_high;
}
} else {
rc = ebitmap_cpy(&r->level[1].cat, &r->level[0].cat);
if (rc) {
- printk(KERN_ERR "security: mls: out of memory\n");
+ printk(KERN_ERR "SELinux: mls: out of memory\n");
goto bad_high;
}
}
@@ -866,7 +873,7 @@ static int context_read_and_validate(struct context *c,
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0) {
- printk(KERN_ERR "security: context truncated\n");
+ printk(KERN_ERR "SELinux: context truncated\n");
goto out;
}
c->user = le32_to_cpu(buf[0]);
@@ -874,7 +881,7 @@ static int context_read_and_validate(struct context *c,
c->type = le32_to_cpu(buf[2]);
if (p->policyvers >= POLICYDB_VERSION_MLS) {
if (mls_read_range_helper(&c->range, fp)) {
- printk(KERN_ERR "security: error reading MLS range of "
+ printk(KERN_ERR "SELinux: error reading MLS range of "
"context\n");
rc = -EINVAL;
goto out;
@@ -882,7 +889,7 @@ static int context_read_and_validate(struct context *c,
}
if (!policydb_context_isvalid(p, c)) {
- printk(KERN_ERR "security: invalid security context\n");
+ printk(KERN_ERR "SELinux: invalid security context\n");
context_destroy(c);
rc = -EINVAL;
}
@@ -1128,7 +1135,7 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp)
cladatum->comdatum = hashtab_search(p->p_commons.table,
cladatum->comkey);
if (!cladatum->comdatum) {
- printk(KERN_ERR "security: unknown common %s\n",
+ printk(KERN_ERR "SELinux: unknown common %s\n",
cladatum->comkey);
rc = -EINVAL;
goto bad;
@@ -1283,13 +1290,13 @@ static int mls_read_level(struct mls_level *lp, void *fp)
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0) {
- printk(KERN_ERR "security: mls: truncated level\n");
+ printk(KERN_ERR "SELinux: mls: truncated level\n");
goto bad;
}
lp->sens = le32_to_cpu(buf[0]);
if (ebitmap_read(&lp->cat, fp)) {
- printk(KERN_ERR "security: mls: error reading level "
+ printk(KERN_ERR "SELinux: mls: error reading level "
"categories\n");
goto bad;
}
@@ -1491,7 +1498,7 @@ int policydb_read(struct policydb *p, void *fp)
goto bad;
if (le32_to_cpu(buf[0]) != POLICYDB_MAGIC) {
- printk(KERN_ERR "security: policydb magic number 0x%x does "
+ printk(KERN_ERR "SELinux: policydb magic number 0x%x does "
"not match expected magic number 0x%x\n",
le32_to_cpu(buf[0]), POLICYDB_MAGIC);
goto bad;
@@ -1499,27 +1506,27 @@ int policydb_read(struct policydb *p, void *fp)
len = le32_to_cpu(buf[1]);
if (len != strlen(POLICYDB_STRING)) {
- printk(KERN_ERR "security: policydb string length %d does not "
+ printk(KERN_ERR "SELinux: policydb string length %d does not "
"match expected length %Zu\n",
len, strlen(POLICYDB_STRING));
goto bad;
}
policydb_str = kmalloc(len + 1,GFP_KERNEL);
if (!policydb_str) {
- printk(KERN_ERR "security: unable to allocate memory for policydb "
+ printk(KERN_ERR "SELinux: unable to allocate memory for policydb "
"string of length %d\n", len);
rc = -ENOMEM;
goto bad;
}
rc = next_entry(policydb_str, fp, len);
if (rc < 0) {
- printk(KERN_ERR "security: truncated policydb string identifier\n");
+ printk(KERN_ERR "SELinux: truncated policydb string identifier\n");
kfree(policydb_str);
goto bad;
}
policydb_str[len] = 0;
if (strcmp(policydb_str, POLICYDB_STRING)) {
- printk(KERN_ERR "security: policydb string %s does not match "
+ printk(KERN_ERR "SELinux: policydb string %s does not match "
"my string %s\n", policydb_str, POLICYDB_STRING);
kfree(policydb_str);
goto bad;
@@ -1536,7 +1543,7 @@ int policydb_read(struct policydb *p, void *fp)
p->policyvers = le32_to_cpu(buf[0]);
if (p->policyvers < POLICYDB_VERSION_MIN ||
p->policyvers > POLICYDB_VERSION_MAX) {
- printk(KERN_ERR "security: policydb version %d does not match "
+ printk(KERN_ERR "SELinux: policydb version %d does not match "
"my version range %d-%d\n",
le32_to_cpu(buf[0]), POLICYDB_VERSION_MIN, POLICYDB_VERSION_MAX);
goto bad;
@@ -1570,16 +1577,20 @@ int policydb_read(struct policydb *p, void *fp)
ebitmap_read(&p->policycaps, fp) != 0)
goto bad;
+ if (p->policyvers >= POLICYDB_VERSION_PERMISSIVE &&
+ ebitmap_read(&p->permissive_map, fp) != 0)
+ goto bad;
+
info = policydb_lookup_compat(p->policyvers);
if (!info) {
- printk(KERN_ERR "security: unable to find policy compat info "
+ printk(KERN_ERR "SELinux: unable to find policy compat info "
"for version %d\n", p->policyvers);
goto bad;
}
if (le32_to_cpu(buf[2]) != info->sym_num ||
le32_to_cpu(buf[3]) != info->ocon_num) {
- printk(KERN_ERR "security: policydb table sizes (%d,%d) do "
+ printk(KERN_ERR "SELinux: policydb table sizes (%d,%d) do "
"not match mine (%d,%d)\n", le32_to_cpu(buf[2]),
le32_to_cpu(buf[3]),
info->sym_num, info->ocon_num);
@@ -1823,7 +1834,7 @@ int policydb_read(struct policydb *p, void *fp)
for (genfs_p = NULL, genfs = p->genfs; genfs;
genfs_p = genfs, genfs = genfs->next) {
if (strcmp(newgenfs->fstype, genfs->fstype) == 0) {
- printk(KERN_ERR "security: dup genfs "
+ printk(KERN_ERR "SELinux: dup genfs "
"fstype %s\n", newgenfs->fstype);
kfree(newgenfs->fstype);
kfree(newgenfs);
@@ -1873,7 +1884,7 @@ int policydb_read(struct policydb *p, void *fp)
if (!strcmp(newc->u.name, c->u.name) &&
(!c->v.sclass || !newc->v.sclass ||
newc->v.sclass == c->v.sclass)) {
- printk(KERN_ERR "security: dup genfs "
+ printk(KERN_ERR "SELinux: dup genfs "
"entry (%s,%s)\n",
newgenfs->fstype, c->u.name);
goto bad_newc;
@@ -1931,7 +1942,7 @@ int policydb_read(struct policydb *p, void *fp)
if (rc)
goto bad;
if (!mls_range_isvalid(p, &rt->target_range)) {
- printk(KERN_WARNING "security: rangetrans: invalid range\n");
+ printk(KERN_WARNING "SELinux: rangetrans: invalid range\n");
goto bad;
}
lrt = rt;
diff --git a/security/selinux/ss/policydb.h b/security/selinux/ss/policydb.h
index c4ce996e202..ba593a3da87 100644
--- a/security/selinux/ss/policydb.h
+++ b/security/selinux/ss/policydb.h
@@ -243,6 +243,8 @@ struct policydb {
struct ebitmap policycaps;
+ struct ebitmap permissive_map;
+
unsigned int policyvers;
unsigned int reject_unknown : 1;
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 3f2bad28ee7..d75050819b0 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -40,6 +40,7 @@
#include <linux/sched.h>
#include <linux/audit.h>
#include <linux/mutex.h>
+#include <linux/selinux.h>
#include <net/netlabel.h>
#include "flask.h"
@@ -61,6 +62,7 @@ extern void selnl_notify_policyload(u32 seqno);
unsigned int policydb_loaded_version;
int selinux_policycap_netpeer;
+int selinux_policycap_openperm;
/*
* This is declared in avc.c
@@ -412,10 +414,35 @@ static int context_struct_compute_av(struct context *scontext,
return 0;
inval_class:
- printk(KERN_ERR "%s: unrecognized class %d\n", __FUNCTION__, tclass);
+ printk(KERN_ERR "%s: unrecognized class %d\n", __func__, tclass);
return -EINVAL;
}
+/*
+ * Given a sid find if the type has the permissive flag set
+ */
+int security_permissive_sid(u32 sid)
+{
+ struct context *context;
+ u32 type;
+ int rc;
+
+ POLICY_RDLOCK;
+
+ context = sidtab_search(&sidtab, sid);
+ BUG_ON(!context);
+
+ type = context->type;
+ /*
+ * we are intentionally using type here, not type-1, the 0th bit may
+ * someday indicate that we are globally setting permissive in policy.
+ */
+ rc = ebitmap_get_bit(&policydb.permissive_map, type);
+
+ POLICY_RDUNLOCK;
+ return rc;
+}
+
static int security_validtrans_handle_fail(struct context *ocontext,
struct context *ncontext,
struct context *tcontext,
@@ -1096,7 +1123,7 @@ static int validate_classes(struct policydb *p)
continue;
if (i > p->p_classes.nprim) {
printk(KERN_INFO
- "security: class %s not defined in policy\n",
+ "SELinux: class %s not defined in policy\n",
def_class);
if (p->reject_unknown)
return -EINVAL;
@@ -1107,7 +1134,7 @@ static int validate_classes(struct policydb *p)
pol_class = p->p_class_val_to_name[i-1];
if (strcmp(pol_class, def_class)) {
printk(KERN_ERR
- "security: class %d is incorrect, found %s but should be %s\n",
+ "SELinux: class %d is incorrect, found %s but should be %s\n",
i, pol_class, def_class);
return -EINVAL;
}
@@ -1125,7 +1152,7 @@ static int validate_classes(struct policydb *p)
nprim = 1 << (perms->nprim - 1);
if (perm_val > nprim) {
printk(KERN_INFO
- "security: permission %s in class %s not defined in policy\n",
+ "SELinux: permission %s in class %s not defined in policy\n",
def_perm, pol_class);
if (p->reject_unknown)
return -EINVAL;
@@ -1136,14 +1163,14 @@ static int validate_classes(struct policydb *p)
perdatum = hashtab_search(perms->table, def_perm);
if (perdatum == NULL) {
printk(KERN_ERR
- "security: permission %s in class %s not found in policy, bad policy\n",
+ "SELinux: permission %s in class %s not found in policy, bad policy\n",
def_perm, pol_class);
return -EINVAL;
}
pol_val = 1 << (perdatum->value - 1);
if (pol_val != perm_val) {
printk(KERN_ERR
- "security: permission %s in class %s has incorrect value\n",
+ "SELinux: permission %s in class %s has incorrect value\n",
def_perm, pol_class);
return -EINVAL;
}
@@ -1157,7 +1184,7 @@ static int validate_classes(struct policydb *p)
BUG_ON(!cladatum);
if (!cladatum->comdatum) {
printk(KERN_ERR
- "security: class %s should have an inherits clause but does not\n",
+ "SELinux: class %s should have an inherits clause but does not\n",
pol_class);
return -EINVAL;
}
@@ -1172,7 +1199,7 @@ static int validate_classes(struct policydb *p)
def_perm = kdefs->av_inherit[i].common_pts[j];
if (j >= perms->nprim) {
printk(KERN_INFO
- "security: permission %s in class %s not defined in policy\n",
+ "SELinux: permission %s in class %s not defined in policy\n",
def_perm, pol_class);
if (p->reject_unknown)
return -EINVAL;
@@ -1183,13 +1210,13 @@ static int validate_classes(struct policydb *p)
perdatum = hashtab_search(perms->table, def_perm);
if (perdatum == NULL) {
printk(KERN_ERR
- "security: permission %s in class %s not found in policy, bad policy\n",
+ "SELinux: permission %s in class %s not found in policy, bad policy\n",
def_perm, pol_class);
return -EINVAL;
}
if (perdatum->value != j + 1) {
printk(KERN_ERR
- "security: permission %s in class %s has incorrect value\n",
+ "SELinux: permission %s in class %s has incorrect value\n",
def_perm, pol_class);
return -EINVAL;
}
@@ -1219,7 +1246,7 @@ static inline int convert_context_handle_invalid_context(struct context *context
u32 len;
context_struct_to_string(context, &s, &len);
- printk(KERN_ERR "security: context %s is invalid\n", s);
+ printk(KERN_ERR "SELinux: context %s is invalid\n", s);
kfree(s);
}
return rc;
@@ -1299,7 +1326,7 @@ out:
bad:
context_struct_to_string(&oldc, &s, &len);
context_destroy(&oldc);
- printk(KERN_ERR "security: invalidating context %s\n", s);
+ printk(KERN_ERR "SELinux: invalidating context %s\n", s);
kfree(s);
goto out;
}
@@ -1308,6 +1335,8 @@ static void security_load_policycaps(void)
{
selinux_policycap_netpeer = ebitmap_get_bit(&policydb.policycaps,
POLICYDB_CAPABILITY_NETPEER);
+ selinux_policycap_openperm = ebitmap_get_bit(&policydb.policycaps,
+ POLICYDB_CAPABILITY_OPENPERM);
}
extern void selinux_complete_init(void);
@@ -1350,7 +1379,7 @@ int security_load_policy(void *data, size_t len)
/* Verify that the kernel defined classes are correct. */
if (validate_classes(&policydb)) {
printk(KERN_ERR
- "security: the definition of a class is incorrect\n");
+ "SELinux: the definition of a class is incorrect\n");
LOAD_UNLOCK;
sidtab_destroy(&sidtab);
policydb_destroy(&policydb);
@@ -1384,14 +1413,14 @@ int security_load_policy(void *data, size_t len)
/* Verify that the kernel defined classes are correct. */
if (validate_classes(&newpolicydb)) {
printk(KERN_ERR
- "security: the definition of a class is incorrect\n");
+ "SELinux: the definition of a class is incorrect\n");
rc = -EINVAL;
goto err;
}
rc = security_preserve_bools(&newpolicydb);
if (rc) {
- printk(KERN_ERR "security: unable to preserve booleans\n");
+ printk(KERN_ERR "SELinux: unable to preserve booleans\n");
goto err;
}
@@ -1443,17 +1472,11 @@ err:
/**
* security_port_sid - Obtain the SID for a port.
- * @domain: communication domain aka address family
- * @type: socket type
* @protocol: protocol number
* @port: port number
* @out_sid: security identifier
*/
-int security_port_sid(u16 domain,
- u16 type,
- u8 protocol,
- u16 port,
- u32 *out_sid)
+int security_port_sid(u8 protocol, u16 port, u32 *out_sid)
{
struct ocontext *c;
int rc = 0;
@@ -2203,7 +2226,7 @@ int security_get_permissions(char *class, char ***perms, int *nperms)
match = hashtab_search(policydb.p_classes.table, class);
if (!match) {
printk(KERN_ERR "%s: unrecognized class %s\n",
- __FUNCTION__, class);
+ __func__, class);
rc = -EINVAL;
goto out;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 10:06:56 +0000