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Allow sepgsql labels to depend on object name.

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The main change here is to call security_compute_create_name_raw()
rather than security_compute_create_raw().  This ups the minimum
requirement for libselinux from 2.0.99 to 2.1.10, but it looks
like most distributions will have picked that up before 9.3 is out.

KaiGai Kohei
This commit is contained in:
Robert Haas
2013-03-28 15:38:35 -04:00
parent ae7f1c3ef2
commit 0f05840bf4
13 changed files with 104 additions and 40 deletions
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13
contrib/sepgsql/schema.c
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@ -42,6 +42,7 @@ sepgsql_schema_post_create(Oid namespaceId)
char *tcontext;
char *ncontext;
char audit_name[NAMEDATALEN + 20];
const char *nsp_name;
ObjectAddress object;
Form_pg_namespace nspForm;
@ -67,17 +68,21 @@ sepgsql_schema_post_create(Oid namespaceId)
elog(ERROR, "catalog lookup failed for namespace %u", namespaceId);
nspForm = (Form_pg_namespace) GETSTRUCT(tuple);
nsp_name = NameStr(nspForm->nspname);
if (strncmp(nsp_name, "pg_temp_", 8) == 0)
nsp_name = "pg_temp";
else if (strncmp(nsp_name, "pg_toast_temp_", 14) == 0)
nsp_name = "pg_toast_temp";
tcontext = sepgsql_get_label(DatabaseRelationId, MyDatabaseId, 0);
ncontext = sepgsql_compute_create(sepgsql_get_client_label(),
tcontext,
SEPG_CLASS_DB_SCHEMA);
SEPG_CLASS_DB_SCHEMA,
nsp_name);
/*
* check db_schema:{create}
*/
snprintf(audit_name, sizeof(audit_name),
"schema %s", NameStr(nspForm->nspname));
snprintf(audit_name, sizeof(audit_name), "schema %s", nsp_name);
sepgsql_avc_check_perms_label(ncontext,
SEPG_CLASS_DB_SCHEMA,
SEPG_DB_SCHEMA__CREATE,