ima: Use correct type for the args_p member of ima_rule_entry.lsm elements

Make args_p be of the char pointer type rather than have it be a void
pointer that gets casted to char pointer when it is used. It is a simple
NUL-terminated string as returned by match_strdup().

Signed-off-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Tyler Hicks 2020-07-09 01:19:08 -05:00 committed by Mimi Zohar
parent 39e5993d0d
commit aa0c0227d3

View File

@ -74,7 +74,7 @@ struct ima_rule_entry {
int pcr;
struct {
void *rule; /* LSM file metadata specific */
void *args_p; /* audit value */
char *args_p; /* audit value */
int type; /* audit type */
} lsm[MAX_LSM_RULES];
char *fsname;
@ -314,7 +314,7 @@ static struct ima_rule_entry *ima_lsm_copy_rule(struct ima_rule_entry *entry)
&nentry->lsm[i].rule);
if (!nentry->lsm[i].rule)
pr_warn("rule for LSM \'%s\' is undefined\n",
(char *)nentry->lsm[i].args_p);
nentry->lsm[i].args_p);
}
return nentry;
}
@ -918,7 +918,7 @@ static int ima_lsm_rule_init(struct ima_rule_entry *entry,
&entry->lsm[lsm_rule].rule);
if (!entry->lsm[lsm_rule].rule) {
pr_warn("rule for LSM \'%s\' is undefined\n",
(char *)entry->lsm[lsm_rule].args_p);
entry->lsm[lsm_rule].args_p);
if (ima_rules == &ima_default_rules) {
kfree(entry->lsm[lsm_rule].args_p);
@ -1684,27 +1684,27 @@ int ima_policy_show(struct seq_file *m, void *v)
switch (i) {
case LSM_OBJ_USER:
seq_printf(m, pt(Opt_obj_user),
(char *)entry->lsm[i].args_p);
entry->lsm[i].args_p);
break;
case LSM_OBJ_ROLE:
seq_printf(m, pt(Opt_obj_role),
(char *)entry->lsm[i].args_p);
entry->lsm[i].args_p);
break;
case LSM_OBJ_TYPE:
seq_printf(m, pt(Opt_obj_type),
(char *)entry->lsm[i].args_p);
entry->lsm[i].args_p);
break;
case LSM_SUBJ_USER:
seq_printf(m, pt(Opt_subj_user),
(char *)entry->lsm[i].args_p);
entry->lsm[i].args_p);
break;
case LSM_SUBJ_ROLE:
seq_printf(m, pt(Opt_subj_role),
(char *)entry->lsm[i].args_p);
entry->lsm[i].args_p);
break;
case LSM_SUBJ_TYPE:
seq_printf(m, pt(Opt_subj_type),
(char *)entry->lsm[i].args_p);
entry->lsm[i].args_p);
break;
}
seq_puts(m, " ");