Much like the ability to filter audit on the uid of an inode collected, we should be able to filter on the gid of the inode.
Signed-off-by: Eric Paris <[email protected]> --- include/linux/audit.h | 1 + kernel/auditfilter.c | 1 + kernel/auditsc.c | 12 ++++++++++++ 3 files changed, 14 insertions(+), 0 deletions(-) diff --git a/include/linux/audit.h b/include/linux/audit.h index 15a87f1..49a19cc 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -224,6 +224,7 @@ #define AUDIT_DIR 107 #define AUDIT_FILETYPE 108 #define AUDIT_OBJ_UID 109 +#define AUDIT_OBJ_GID 110 #define AUDIT_ARG0 200 #define AUDIT_ARG1 (AUDIT_ARG0+1) diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 13e9974..f10605c 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -462,6 +462,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, case AUDIT_ARG2: case AUDIT_ARG3: case AUDIT_OBJ_UID: + case AUDIT_OBJ_GID: break; case AUDIT_ARCH: entry->rule.arch_f = f; diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 4a231e8..4cabcef 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -598,6 +598,18 @@ static int audit_filter_rules(struct task_struct *tsk, } } break; + case AUDIT_OBJ_GID: + if (name) { + result = audit_comparator(name->gid, f->op, f->val); + } else if (ctx) { + list_for_each_entry(n, &ctx->names_list, list) { + if (audit_comparator(n->gid, f->op, f->val)) { + ++result; + break; + } + } + } + break; case AUDIT_WATCH: if (name) result = audit_watch_compare(rule->watch, name->ino, name->dev); -- Linux-audit mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-audit
