diff options
Diffstat (limited to 'libselinux/src/stringrep.c')
| -rw-r--r-- | libselinux/src/stringrep.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/libselinux/src/stringrep.c b/libselinux/src/stringrep.c index b3f3120e..b19bce73 100644 --- a/libselinux/src/stringrep.c +++ b/libselinux/src/stringrep.c @@ -152,7 +152,25 @@ static const struct av_inherit { #define NVECTORS ARRAY_SIZE(av_perm_to_string) #define MAXVECTORS 8*sizeof(access_vector_t) -extern int obj_class_compat; +static pthread_once_t once = PTHREAD_ONCE_INIT; + +static int obj_class_compat; + +static void init_obj_class_compat(void) +{ + char path[PATH_MAX]; + struct stat s; + + if (!selinux_mnt) + return; + + snprintf(path,PATH_MAX,"%s/class",selinux_mnt); + if (stat(path,&s) < 0) + return; + + if (S_ISDIR(s.st_mode)) + obj_class_compat = 0; +} struct discover_class_node { char *name; @@ -420,6 +438,8 @@ security_class_t string_to_security_class(const char *s) { struct discover_class_node *node; + __selinux_once(once, init_obj_class_compat); + if (obj_class_compat) return string_to_security_class_compat(s); @@ -441,6 +461,8 @@ access_vector_t string_to_av_perm(security_class_t tclass, const char *s) struct discover_class_node *node; security_class_t kclass = unmap_class(tclass); + __selinux_once(once, init_obj_class_compat); + if (obj_class_compat) return map_perm(tclass, string_to_av_perm_compat(kclass, s)); @@ -462,6 +484,8 @@ const char *security_class_to_string(security_class_t tclass) tclass = unmap_class(tclass); + __selinux_once(once, init_obj_class_compat); + if (obj_class_compat) return security_class_to_string_compat(tclass); @@ -481,6 +505,8 @@ const char *security_av_perm_to_string(security_class_t tclass, av = unmap_perm(tclass, av); tclass = unmap_class(tclass); + __selinux_once(once, init_obj_class_compat); + if (obj_class_compat) return security_av_perm_to_string_compat(tclass,av); |