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Fix compilation warnings with libselinux 3.1 in contrib/sepgsql/

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Upstream SELinux has recently marked security_context_t as officially
deprecated, causing warnings with -Wdeprecated-declarations.  This is
considered as legacy code for some time now by upstream as
security_context_t got removed from most of the code tree during the
development of 2.3 back in 2014.

This removes all the references to security_context_t in sepgsql/ to be
consistent with SELinux, fixing the warnings.  Note that this does not
impact the minimum version of libselinux supported.

This has been applied first as 1f32136 for 14~, but no other branches
got the call.  This is in line with the recent project policy to have no
warnings in branches where builds should still be supported (9.2~ as of
today).  Per discussion with Tom Lane and Álvaro Herrera.

Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/20200813012735.GC11663@paquier.xyz
Discussion: https://postgr.es/m/20221103181028.raqta27jcuypor4l@alvherre.pgsql
Backpatch-through: 9.2
This commit is contained in:
Michael Paquier 2022-11-09 09:40:06 +09:00
parent ee4c440144
commit a5171b8800
3 changed files with 12 additions and 12 deletions
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10
contrib/sepgsql/label.c
View File

@ -130,7 +130,7 @@ sepgsql_set_client_label(const char *new_label)
tcontext = client_label_peer;
else
{
if (security_check_context_raw((security_context_t) new_label) < 0)
if (security_check_context_raw(new_label) < 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_NAME),
errmsg("SELinux: invalid security label: \"%s\"",
@ -470,9 +470,9 @@ sepgsql_get_label(Oid classId, Oid objectId, int32 subId)
object.objectSubId = subId;
label = GetSecurityLabel(&object, SEPGSQL_LABEL_TAG);
if (!label || security_check_context_raw((security_context_t) label))
if (!label || security_check_context_raw(label))
{
security_context_t unlabeled;
char *unlabeled;
if (security_get_initial_context_raw("unlabeled", &unlabeled) < 0)
ereport(ERROR,
@ -507,7 +507,7 @@ sepgsql_object_relabel(const ObjectAddress *object, const char *seclabel)
* context of selinux.
*/
if (seclabel &&
security_check_context_raw((security_context_t) seclabel) < 0)
security_check_context_raw(seclabel) < 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_NAME),
errmsg("SELinux: invalid security label: \"%s\"", seclabel)));
@ -746,7 +746,7 @@ exec_object_restorecon(struct selabel_handle * sehnd, Oid catalogId)
char *objname;
int objtype = 1234;
ObjectAddress object;
security_context_t context;
char *context;
/*
* The way to determine object name depends on object classes. So, any

10
contrib/sepgsql/selinux.c
View File

@ -767,8 +767,8 @@ sepgsql_compute_avd(const char *scontext,
* Ask SELinux what is allowed set of permissions on a pair of the
* security contexts and the given object class.
*/
if (security_compute_av_flags_raw((security_context_t) scontext,
(security_context_t) tcontext,
if (security_compute_av_flags_raw(scontext,
tcontext,
tclass_ex, 0, &avd_ex) < 0)
ereport(ERROR,
(errcode(ERRCODE_INTERNAL_ERROR),
@ -839,7 +839,7 @@ sepgsql_compute_create(const char *scontext,
uint16 tclass,
const char *objname)
{
security_context_t ncontext;
char *ncontext;
security_class_t tclass_ex;
const char *tclass_name;
char *result;
@ -854,8 +854,8 @@ sepgsql_compute_create(const char *scontext,
* Ask SELinux what is the default context for the given object class on a
* pair of security contexts
*/
if (security_compute_create_name_raw((security_context_t) scontext,
(security_context_t) tcontext,
if (security_compute_create_name_raw(scontext,
tcontext,
tclass_ex,
objname,
&ncontext) < 0)

4
contrib/sepgsql/uavc.c
View File

@ -177,7 +177,7 @@ sepgsql_avc_unlabeled(void)
{
if (!avc_unlabeled)
{
security_context_t unlabeled;
char *unlabeled;
if (security_get_initial_context_raw("unlabeled", &unlabeled) < 0)
ereport(ERROR,
@ -225,7 +225,7 @@ sepgsql_avc_compute(const char *scontext, const char *tcontext, uint16 tclass)
* policy is reloaded, validation status shall be kept, so we also cache
* whether the supplied security context was valid, or not.
*/
if (security_check_context_raw((security_context_t) tcontext) != 0)
if (security_check_context_raw(tcontext) != 0)
ucontext = sepgsql_avc_unlabeled();
/*