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selinux: update type for number of class permissions in services code

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Security classes have only up to 32 permissions, hence using an u16 is
sufficient (while improving padding in struct selinux_mapping).

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Christian Göttsche 2023-08-07 19:11:37 +02:00 committed by Paul Moore
parent df9d474925
commit 002903e1d1
2 changed files with 2 additions and 2 deletions
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2
security/selinux/ss/services.c
View File

@ -97,7 +97,6 @@ static int selinux_set_mapping(struct policydb *pol,
struct selinux_map *out_map)
{
u16 i, j;
unsigned k;
bool print_unknown_handle = false;
/* Find number of classes in the input mapping */
@ -117,6 +116,7 @@ static int selinux_set_mapping(struct policydb *pol,
while (map[j].name) {
const struct security_class_mapping *p_in = map + (j++);
struct selinux_mapping *p_out = out_map->mapping + j;
u16 k;
/* An empty class string skips ahead */
if (!strcmp(p_in->name, "")) {

2
security/selinux/ss/services.h
View File

@ -12,7 +12,7 @@
/* Mapping for a single class */
struct selinux_mapping {
u16 value; /* policy value for class */
unsigned int num_perms; /* number of permissions in class */
u16 num_perms; /* number of permissions in class */
u32 perms[sizeof(u32) * 8]; /* policy values for permissions */
};