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libsepol: rewrite sepol_string_to_security_class to use hashtab_search

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Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
This commit is contained in:
Stephen Smalley 2016-06-20 16:28:45 -04:00
parent 69da2076e5
commit 28e92c5325
1 changed files with 8 additions and 14 deletions
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18
libsepol/src/services.c
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@ -1152,23 +1152,17 @@ int hidden sepol_compute_av(sepol_security_id_t ssid,
int hidden sepol_string_to_security_class(const char *class_name, int hidden sepol_string_to_security_class(const char *class_name,
sepol_security_class_t *tclass) sepol_security_class_t *tclass)
{ {
char *class = NULL; class_datum_t *tclass_datum;
sepol_security_class_t id;
for (id = 1; id <= policydb->p_classes.nprim; id++) { tclass_datum = hashtab_search(policydb->p_classes.table,
class = policydb->p_class_val_to_name[id - 1]; (hashtab_key_t) class_name);
if (class == NULL) { if (!tclass_datum) {
ERR(NULL, "could not convert %s to class id", class_name); ERR(NULL, "unrecognized class %s", class_name);
return STATUS_ERR; return STATUS_ERR;
} }
if ((strcmp(class, class_name)) == 0) { *tclass = tclass_datum->s.value;
*tclass = id;
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
}
ERR(NULL, "unrecognized class %s", class_name);
return -EINVAL;
}
/* /*
* Return access vector bit associated with the class ID and permission * Return access vector bit associated with the class ID and permission