diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/selinux/ss/services.c | 43 |
1 files changed, 4 insertions, 39 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 3b42b154d87..4a2bf212057 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -516,16 +516,14 @@ static void type_attribute_bounds_av(struct context *scontext, u16 tclass, struct av_decision *avd) { - struct context lo_scontext; - struct context lo_tcontext; - struct av_decision lo_avd; struct type_datum *source = policydb.type_val_to_struct[scontext->type - 1]; - struct type_datum *target - = policydb.type_val_to_struct[tcontext->type - 1]; - u32 masked = 0; if (source->bounds) { + struct context lo_scontext; + struct av_decision lo_avd; + u32 masked; + memset(&lo_avd, 0, sizeof(lo_avd)); memcpy(&lo_scontext, scontext, sizeof(lo_scontext)); @@ -538,40 +536,7 @@ static void type_attribute_bounds_av(struct context *scontext, if ((lo_avd.allowed & avd->allowed) == avd->allowed) return; /* no masked permission */ masked = ~lo_avd.allowed & avd->allowed; - } - - if (target->bounds) { - memset(&lo_avd, 0, sizeof(lo_avd)); - - memcpy(&lo_tcontext, tcontext, sizeof(lo_tcontext)); - lo_tcontext.type = target->bounds; - - context_struct_compute_av(scontext, - &lo_tcontext, - tclass, - &lo_avd); - if ((lo_avd.allowed & avd->allowed) == avd->allowed) - return; /* no masked permission */ - masked = ~lo_avd.allowed & avd->allowed; - } - - if (source->bounds && target->bounds) { - memset(&lo_avd, 0, sizeof(lo_avd)); - /* - * lo_scontext and lo_tcontext are already - * set up. - */ - - context_struct_compute_av(&lo_scontext, - &lo_tcontext, - tclass, - &lo_avd); - if ((lo_avd.allowed & avd->allowed) == avd->allowed) - return; /* no masked permission */ - masked = ~lo_avd.allowed & avd->allowed; - } - if (masked) { /* mask violated permissions */ avd->allowed &= ~masked; |