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authorAl Viro <viro@zeniv.linux.org.uk>2008-11-12 18:37:41 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2008-12-09 02:27:38 -0500
commita64e64944f4b8ce3288519555dbaa0232414b8ac (patch)
tree6b37f5444c49379580b6b4fead84a75ca474d0ab
parenta3f07114e3359fb98683069ae397220e8992a24a (diff)
downloadlinux-a64e64944f4b8ce3288519555dbaa0232414b8ac.tar.bz2
[PATCH] return records for fork() both to child and parent
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--include/linux/audit.h2
-rw-r--r--kernel/auditsc.c17
-rw-r--r--kernel/fork.c1
3 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 6272a395d43c..1b2a6a5c1876 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -391,6 +391,7 @@ extern int audit_classify_arch(int arch);
#ifdef CONFIG_AUDITSYSCALL
/* These are defined in auditsc.c */
/* Public API */
+extern void audit_finish_fork(struct task_struct *child);
extern int audit_alloc(struct task_struct *task);
extern void audit_free(struct task_struct *task);
extern void audit_syscall_entry(int arch,
@@ -504,6 +505,7 @@ static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
extern int audit_n_rules;
extern int audit_signals;
#else
+#define audit_finish_fork(t)
#define audit_alloc(t) ({ 0; })
#define audit_free(t) do { ; } while (0)
#define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0)
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index cf5bc2f5f9c3..de8468050afa 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1548,6 +1548,23 @@ void audit_syscall_entry(int arch, int major,
context->ppid = 0;
}
+void audit_finish_fork(struct task_struct *child)
+{
+ struct audit_context *ctx = current->audit_context;
+ struct audit_context *p = child->audit_context;
+ if (!p || !ctx || !ctx->auditable)
+ return;
+ p->arch = ctx->arch;
+ p->major = ctx->major;
+ memcpy(p->argv, ctx->argv, sizeof(ctx->argv));
+ p->ctime = ctx->ctime;
+ p->dummy = ctx->dummy;
+ p->auditable = ctx->auditable;
+ p->in_syscall = ctx->in_syscall;
+ p->filterkey = kstrdup(ctx->filterkey, GFP_KERNEL);
+ p->ppid = current->pid;
+}
+
/**
* audit_syscall_exit - deallocate audit context after a system call
* @tsk: task being audited
diff --git a/kernel/fork.c b/kernel/fork.c
index 2a372a0e206f..8d6a7dd9282b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1398,6 +1398,7 @@ long do_fork(unsigned long clone_flags,
init_completion(&vfork);
}
+ audit_finish_fork(p);
tracehook_report_clone(trace, regs, clone_flags, nr, p);
/*