diff options
| author | Jeff Layton <jlayton@redhat.com> | 2012-10-10 23:25:28 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-13 04:15:08 +0400 |
| commit | 7ac86265dc8f665cc49d6e60a125e608cd2fca14 (patch) | |
| tree | 9e7941e2d8dfb2106c5fb28504531dafc72e14e6 /include | |
| parent | 91a27b2a756784714e924e5e854b919273082d26 (diff) | |
| download | linux-7ac86265dc8f665cc49d6e60a125e608cd2fca14.tar.xz | |
audit: allow audit code to satisfy getname requests from its names_list
Currently, if we call getname() on a userland string more than once,
we'll get multiple copies of the string and multiple audit_names
records.
Add a function that will allow the audit_names code to satisfy getname
requests using info from the audit_names list, avoiding a new allocation
and audit_names records.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/audit.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h index 94d29164803f..d5d7952ab7d8 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -471,6 +471,7 @@ extern void __audit_syscall_entry(int arch, int major, unsigned long a0, unsigned long a1, unsigned long a2, unsigned long a3); extern void __audit_syscall_exit(int ret_success, long ret_value); +extern struct filename *__audit_reusename(const __user char *uptr); extern void __audit_getname(struct filename *name); extern void audit_putname(struct filename *name); extern void __audit_inode(const char *name, const struct dentry *dentry, @@ -507,6 +508,12 @@ static inline void audit_syscall_exit(void *pt_regs) __audit_syscall_exit(success, return_code); } } +static inline struct filename *audit_reusename(const __user char *name) +{ + if (unlikely(!audit_dummy_context())) + return __audit_reusename(name); + return NULL; +} static inline void audit_getname(struct filename *name) { if (unlikely(!audit_dummy_context())) @@ -665,6 +672,10 @@ static inline int audit_dummy_context(void) { return 1; } +static inline struct filename *audit_reusename(const __user char *name) +{ + return NULL; +} static inline void audit_getname(struct filename *name) { } static inline void audit_putname(struct filename *name) |