/* init permission_names */
if (common_dat &&
- hashtab_map(common_dat->permissions.table,
+ hashtab_map(&common_dat->permissions.table,
dump_masked_av_helper, permission_names) < 0)
goto out;
- if (hashtab_map(tclass_dat->permissions.table,
+ if (hashtab_map(&tclass_dat->permissions.table,
dump_masked_av_helper, permission_names) < 0)
goto out;
*p++ = 0;
- usrdatum = hashtab_search(pol->p_users.table, scontextp);
+ usrdatum = hashtab_search(&pol->p_users.table, scontextp);
if (!usrdatum)
goto out;
*p++ = 0;
- role = hashtab_search(pol->p_roles.table, scontextp);
+ role = hashtab_search(&pol->p_roles.table, scontextp);
if (!role)
goto out;
ctx->role = role->value;
oldc = *p;
*p++ = 0;
- typdatum = hashtab_search(pol->p_types.table, scontextp);
+ typdatum = hashtab_search(&pol->p_types.table, scontextp);
if (!typdatum || typdatum->attribute)
goto out;
return rc;
}
-int context_add_hash(struct policydb *policydb,
- struct context *context)
-{
- int rc;
- char *str;
- int len;
-
- if (context->str) {
- context->hash = context_compute_hash(context->str);
- } else {
- rc = context_struct_to_string(policydb, context,
- &str, &len);
- if (rc)
- return rc;
- context->hash = context_compute_hash(str);
- kfree(str);
- }
- return 0;
-}
-
-static int context_struct_to_sid(struct selinux_state *state,
- struct context *context, u32 *sid)
-{
- int rc;
- struct sidtab *sidtab = state->ss->sidtab;
- struct policydb *policydb = &state->ss->policydb;
-
- if (!context->hash) {
- rc = context_add_hash(policydb, context);
- if (rc)
- return rc;
- }
-
- return sidtab_context_to_sid(sidtab, context, sid);
-}
-
static int security_context_to_sid_core(struct selinux_state *state,
const char *scontext, u32 scontext_len,
u32 *sid, u32 def_sid, gfp_t gfp_flags,
str = NULL;
} else if (rc)
goto out_unlock;
- rc = context_struct_to_sid(state, &context, sid);
+ rc = sidtab_context_to_sid(sidtab, &context, sid);
context_destroy(&context);
out_unlock:
read_unlock(&state->ss->policy_rwlock);
ft.tclass = tclass;
ft.name = objname;
- datum = hashtab_search(policydb->filename_trans, &ft);
+ datum = hashtab_search(&policydb->filename_trans, &ft);
while (datum) {
if (ebitmap_get_bit(&datum->stypes, stype - 1)) {
newcontext->type = datum->otype;
struct class_datum *cladatum = NULL;
struct context *scontext, *tcontext, newcontext;
struct sidtab_entry *sentry, *tentry;
- struct role_trans *roletr = NULL;
struct avtab_key avkey;
struct avtab_datum *avdatum;
struct avtab_node *node;
} else if (cladatum && cladatum->default_role == DEFAULT_TARGET) {
newcontext.role = tcontext->role;
} else {
- if ((tclass == policydb->process_class) || (sock == true))
+ if ((tclass == policydb->process_class) || sock)
newcontext.role = scontext->role;
else
newcontext.role = OBJECT_R_VAL;
} else if (cladatum && cladatum->default_type == DEFAULT_TARGET) {
newcontext.type = tcontext->type;
} else {
- if ((tclass == policydb->process_class) || (sock == true)) {
+ if ((tclass == policydb->process_class) || sock) {
/* Use the type of process. */
newcontext.type = scontext->type;
} else {
/* Check for class-specific changes. */
if (specified & AVTAB_TRANSITION) {
/* Look for a role transition rule. */
- for (roletr = policydb->role_tr; roletr;
- roletr = roletr->next) {
- if ((roletr->role == scontext->role) &&
- (roletr->type == tcontext->type) &&
- (roletr->tclass == tclass)) {
- /* Use the role transition rule. */
- newcontext.role = roletr->new_role;
- break;
- }
- }
+ struct role_trans_datum *rtd;
+ struct role_trans_key rtk = {
+ .role = scontext->role,
+ .type = tcontext->type,
+ .tclass = tclass,
+ };
+
+ rtd = hashtab_search(&policydb->role_tr, &rtk);
+ if (rtd)
+ newcontext.role = rtd->new_role;
}
/* Set the MLS attributes.
goto out_unlock;
}
/* Obtain the sid for the context. */
- rc = context_struct_to_sid(state, &newcontext, out_sid);
+ rc = sidtab_context_to_sid(sidtab, &newcontext, out_sid);
out_unlock:
read_unlock(&state->ss->policy_rwlock);
context_destroy(&newcontext);
context_init(newc);
newc->str = s;
newc->len = oldc->len;
- newc->hash = oldc->hash;
return 0;
}
kfree(s);
/* Convert the user. */
rc = -EINVAL;
- usrdatum = hashtab_search(args->newp->p_users.table,
+ usrdatum = hashtab_search(&args->newp->p_users.table,
sym_name(args->oldp,
SYM_USERS, oldc->user - 1));
if (!usrdatum)
/* Convert the role. */
rc = -EINVAL;
- role = hashtab_search(args->newp->p_roles.table,
+ role = hashtab_search(&args->newp->p_roles.table,
sym_name(args->oldp, SYM_ROLES, oldc->role - 1));
if (!role)
goto bad;
/* Convert the type. */
rc = -EINVAL;
- typdatum = hashtab_search(args->newp->p_types.table,
+ typdatum = hashtab_search(&args->newp->p_types.table,
sym_name(args->oldp,
SYM_TYPES, oldc->type - 1));
if (!typdatum)
goto bad;
}
- rc = context_add_hash(args->newp, newc);
- if (rc)
- goto bad;
-
return 0;
bad:
/* Map old representation to string and save it. */
context_destroy(newc);
newc->str = s;
newc->len = len;
- newc->hash = context_compute_hash(s);
pr_info("SELinux: Context %s became invalid (unmapped).\n",
newc->str);
return 0;
u8 protocol, u16 port, u32 *out_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
struct ocontext *c;
int rc = 0;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_PORT];
while (c) {
if (c) {
if (!c->sid[0]) {
- rc = context_struct_to_sid(state, &c->context[0],
+ rc = sidtab_context_to_sid(sidtab, &c->context[0],
&c->sid[0]);
if (rc)
goto out;
u64 subnet_prefix, u16 pkey_num, u32 *out_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
struct ocontext *c;
int rc = 0;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_IBPKEY];
while (c) {
if (c) {
if (!c->sid[0]) {
- rc = context_struct_to_sid(state,
+ rc = sidtab_context_to_sid(sidtab,
&c->context[0],
&c->sid[0]);
if (rc)
const char *dev_name, u8 port_num, u32 *out_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
struct ocontext *c;
int rc = 0;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_IBENDPORT];
while (c) {
if (c) {
if (!c->sid[0]) {
- rc = context_struct_to_sid(state, &c->context[0],
+ rc = sidtab_context_to_sid(sidtab, &c->context[0],
&c->sid[0]);
if (rc)
goto out;
char *name, u32 *if_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
int rc = 0;
struct ocontext *c;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_NETIF];
while (c) {
if (c) {
if (!c->sid[0] || !c->sid[1]) {
- rc = context_struct_to_sid(state, &c->context[0],
+ rc = sidtab_context_to_sid(sidtab, &c->context[0],
&c->sid[0]);
if (rc)
goto out;
- rc = context_struct_to_sid(state, &c->context[1],
+ rc = sidtab_context_to_sid(sidtab, &c->context[1],
&c->sid[1]);
if (rc)
goto out;
u32 *out_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
int rc;
struct ocontext *c;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
switch (domain) {
case AF_INET: {
if (c) {
if (!c->sid[0]) {
- rc = context_struct_to_sid(state,
+ rc = sidtab_context_to_sid(sidtab,
&c->context[0],
&c->sid[0]);
if (rc)
goto out_unlock;
rc = -EINVAL;
- user = hashtab_search(policydb->p_users.table, username);
+ user = hashtab_search(&policydb->p_users.table, username);
if (!user)
goto out_unlock;
usercon.role = i + 1;
ebitmap_for_each_positive_bit(&role->types, tnode, j) {
usercon.type = j + 1;
- /*
- * The same context struct is reused here so the hash
- * must be reset.
- */
- usercon.hash = 0;
if (mls_setup_user_range(policydb, fromcon, user,
&usercon))
continue;
- rc = context_struct_to_sid(state, &usercon, &sid);
+ rc = sidtab_context_to_sid(sidtab, &usercon, &sid);
if (rc)
goto out_unlock;
if (mynel < maxnel) {
u32 *sid)
{
struct policydb *policydb = &state->ss->policydb;
+ struct sidtab *sidtab = state->ss->sidtab;
int len;
u16 sclass;
struct genfs *genfs;
goto out;
if (!c->sid[0]) {
- rc = context_struct_to_sid(state, &c->context[0], &c->sid[0]);
+ rc = sidtab_context_to_sid(sidtab, &c->context[0], &c->sid[0]);
if (rc)
goto out;
}
int security_fs_use(struct selinux_state *state, struct super_block *sb)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
int rc = 0;
struct ocontext *c;
struct superblock_security_struct *sbsec = sb->s_security;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_FSUSE];
while (c) {
if (c) {
sbsec->behavior = c->v.behavior;
if (!c->sid[0]) {
- rc = context_struct_to_sid(state, &c->context[0],
+ rc = sidtab_context_to_sid(sidtab, &c->context[0],
&c->sid[0]);
if (rc)
goto out;
if (rc)
goto out;
for (i = 0; i < nbools; i++) {
- booldatum = hashtab_search(policydb->p_bools.table, bnames[i]);
+ booldatum = hashtab_search(&policydb->p_bools.table, bnames[i]);
if (booldatum)
booldatum->state = bvalues[i];
}
goto out_unlock;
}
}
- rc = context_struct_to_sid(state, &newcon, new_sid);
+ rc = sidtab_context_to_sid(sidtab, &newcon, new_sid);
out_unlock:
read_unlock(&state->ss->policy_rwlock);
context_destroy(&newcon);
if (!*classes)
goto out;
- rc = hashtab_map(policydb->p_classes.table, get_classes_callback,
- *classes);
+ rc = hashtab_map(&policydb->p_classes.table, get_classes_callback,
+ *classes);
if (rc) {
int i;
for (i = 0; i < *nclasses; i++)
read_lock(&state->ss->policy_rwlock);
rc = -EINVAL;
- match = hashtab_search(policydb->p_classes.table, class);
+ match = hashtab_search(&policydb->p_classes.table, class);
if (!match) {
pr_err("SELinux: %s: unrecognized class %s\n",
__func__, class);
goto out;
if (match->comdatum) {
- rc = hashtab_map(match->comdatum->permissions.table,
- get_permissions_callback, *perms);
+ rc = hashtab_map(&match->comdatum->permissions.table,
+ get_permissions_callback, *perms);
if (rc)
goto err;
}
- rc = hashtab_map(match->permissions.table, get_permissions_callback,
- *perms);
+ rc = hashtab_map(&match->permissions.table, get_permissions_callback,
+ *perms);
if (rc)
goto err;
case AUDIT_SUBJ_USER:
case AUDIT_OBJ_USER:
rc = -EINVAL;
- userdatum = hashtab_search(policydb->p_users.table, rulestr);
+ userdatum = hashtab_search(&policydb->p_users.table, rulestr);
if (!userdatum)
goto out;
tmprule->au_ctxt.user = userdatum->value;
case AUDIT_SUBJ_ROLE:
case AUDIT_OBJ_ROLE:
rc = -EINVAL;
- roledatum = hashtab_search(policydb->p_roles.table, rulestr);
+ roledatum = hashtab_search(&policydb->p_roles.table, rulestr);
if (!roledatum)
goto out;
tmprule->au_ctxt.role = roledatum->value;
case AUDIT_SUBJ_TYPE:
case AUDIT_OBJ_TYPE:
rc = -EINVAL;
- typedatum = hashtab_search(policydb->p_types.table, rulestr);
+ typedatum = hashtab_search(&policydb->p_types.table, rulestr);
if (!typedatum)
goto out;
tmprule->au_ctxt.type = typedatum->value;
if (!mls_context_isvalid(policydb, &ctx_new))
goto out_free;
- rc = context_struct_to_sid(state, &ctx_new, sid);
+ rc = sidtab_context_to_sid(sidtab, &ctx_new, sid);
if (rc)
goto out_free;
git.samba.org / sfrench / cifs-2.6.git / blobdiff