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remove support for change_hat 1.4

Browse source 
change_hat 1.4 was an experiement is more directly controlling change_hat
by adding hat rulles to the profile. It has not been used since the
original experiment (4 years).  So remove it

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>
Acked-by: Steve Beattie <steve@nxnw.org>
This commit is contained in:
John Johansen 2013-09-27 16:15:00 -07:00 • committed by Tyler Hicks
parent 59dc00bc30
commit dc76404590
4 changed files with 0 additions and 80 deletions
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4
parser/parser.h
View file

@ -217,9 +217,6 @@ struct var_string {
#define BOOL int
#define FLAG_CHANGEHAT_1_4 2
#define FLAG_CHANGEHAT_1_5 3
extern int preprocess_only;
#define PATH_CHROOT_REL 0x1
@ -283,7 +280,6 @@ extern int net_af_max_override;
extern int kernel_load;
extern int kernel_supports_network;
extern int kernel_supports_mount;
extern int flag_changehat_version;
extern int conf_verbose;
extern int conf_quiet;
extern int names_only;

1
parser/parser_common.c
View file

@ -27,7 +27,6 @@ int net_af_max_override = -1; /* use kernel to determine af_max */
int kernel_load = 1;
int kernel_supports_network = 1; /* kernel supports network rules */
int kernel_supports_mount = 0; /* kernel supports mount rules */
int flag_changehat_version = FLAG_CHANGEHAT_1_5;
int conf_verbose = 0;
int conf_quiet = 0;
int names_only = 0;

7
parser/parser_main.c
View file

@ -854,13 +854,6 @@ static void get_flags_string(char **flags, char *flags_file) {
(*flags)[size] = 0;
fclose(f);
pos = strstr(*flags, "change_hat=");
if (pos) {
if (strncmp(pos, "change_hat=1.4", 14) == 0)
flag_changehat_version = FLAG_CHANGEHAT_1_4;
//fprintf(stderr, "flags string: %s\n", flags_string);
//fprintf(stderr, "changehat %d\n", flag_changehat_version);
}
return;
fail:

68
parser/parser_policy.c
View file

@ -397,28 +397,6 @@ static void __add_hat_rules_parent(const void *nodep, const VISIT value,
if ((*t)->local)
return;
/* add rule to grant permission to change_hat
* An opensuse 11.0, AA 2.3 requirement,
* rules are added to the parent of the hat
*/
if ((flag_changehat_version == FLAG_CHANGEHAT_1_4) &&
(*t)->parent) {
char *buffer = (char *) malloc(strlen((*t)->name) + 1);
if (!buffer) {
PERROR("Memory allocation error\n");
exit(1);
}
strcpy(buffer, (*t)->name);
entry = new_entry(NULL, buffer, AA_CHANGE_HAT, NULL);
if (!entry) {
PERROR("Memory allocation error\n");
exit(1);
}
add_entry_to_policy((*t)->parent, entry);
}
entry = new_entry(NULL, strdup(CHANGEHAT_PATH), AA_MAY_WRITE, NULL);
if (!entry) {
PERROR(_("ERROR adding hat access rule for profile %s\n"),
@ -430,56 +408,10 @@ static void __add_hat_rules_parent(const void *nodep, const VISIT value,
twalk((*t)->hat_table, __add_hat_rules_parent);
}
/* Deprecated: used to support changehat rules of AppArmor 2.3
* add the same hat rules to the hats as the parent so that hats can
* change to sibling hats
*/
static void __add_hat_rules_hats(const void *nodep, const VISIT value,
const int __unused depth)
{
struct codomain **t = (struct codomain **) nodep;
if (value == preorder || value == endorder)
return;
/* don't add hat rules if a parent profile with no hats */
if (!(*t)->hat_table && !(*t)->parent)
return;
/* don't add hat rules for local_profiles */
if ((*t)->local)
return;
/* hat */
if ((*t)->parent) {
struct cod_entry *entry, *new_ent;
list_for_each((*t)->parent->entries, entry) {
if (entry->mode & AA_CHANGE_HAT) {
char *buffer = strdup(entry->name);
if (!buffer) {
PERROR("Memory allocation error\n");
exit(1);
}
new_ent = new_entry(NULL, buffer,
AA_CHANGE_HAT, NULL);
if (!entry) {
PERROR("Memory allocation error\n");
exit(1);
}
add_entry_to_policy((*t), new_ent);
}
}
}
twalk((*t)->hat_table, __add_hat_rules_hats);
}
static int add_hat_rules(void)
{
twalk(policy_list, __add_hat_rules_parent);
/* support hat rules of AppArmor 2.3 in opensuse 11.0 */
if (flag_changehat_version == FLAG_CHANGEHAT_1_4)
twalk(policy_list, __add_hat_rules_hats);
return 0;
}