On Thursday, May 24, 2018 4:11:03 PM EDT Stefan Berger wrote:
> Factor out a common part of integrity_audit_msg() that others
> can also call.

After all of these changes, do you mind sending an example event for testing/
review?

Thanks,
-Steve

> Signed-off-by: Stefan Berger <[email protected]>
> ---
>  security/integrity/integrity.h       | 16 ++++++++++++++++
>  security/integrity/integrity_audit.c | 24 ++++++++++++++++--------
>  2 files changed, 32 insertions(+), 8 deletions(-)
> 
> diff --git a/security/integrity/integrity.h
> b/security/integrity/integrity.h index 5e58e02ba8dc..9f2924cafa53 100644
> --- a/security/integrity/integrity.h
> +++ b/security/integrity/integrity.h
> @@ -15,6 +15,7 @@
>  #include <linux/integrity.h>
>  #include <crypto/sha.h>
>  #include <linux/key.h>
> +#include <linux/audit.h>
> 
>  /* iint action cache flags */
>  #define IMA_MEASURE          0x00000001
> @@ -197,6 +198,11 @@ static inline void evm_load_x509(void)
>  void integrity_audit_msg(int audit_msgno, struct inode *inode,
>                        const unsigned char *fname, const char *op,
>                        const char *cause, int result, int info);
> +
> +void integrity_audit_msg_common(struct audit_buffer *ab, struct inode
> *inode, +                             const unsigned char *fname, const char 
> *op,
> +                             const char *cause, int result);
> +
>  #else
>  static inline void integrity_audit_msg(int audit_msgno, struct inode
> *inode, const unsigned char *fname,
> @@ -204,4 +210,14 @@ static inline void integrity_audit_msg(int
> audit_msgno, struct inode *inode, int result, int info)
>  {
>  }
> +
> +static inline void integrity_audit_msg_common(struct audit_buffer *ab,
> +                                           struct inode *inode,
> +                                           const unsigned char *fname,
> +                                           const char *op,
> +                                           const char *cause,
> +                                           int result)
> +{
> +}
> +
>  #endif
> diff --git a/security/integrity/integrity_audit.c
> b/security/integrity/integrity_audit.c index 8d25d3c4dcca..8f80b7c042a7
> 100644
> --- a/security/integrity/integrity_audit.c
> +++ b/security/integrity/integrity_audit.c
> @@ -28,17 +28,12 @@ static int __init integrity_audit_setup(char *str)
>  }
>  __setup("integrity_audit=", integrity_audit_setup);
> 
> -void integrity_audit_msg(int audit_msgno, struct inode *inode,
> -                      const unsigned char *fname, const char *op,
> -                      const char *cause, int result, int audit_info)
> +void integrity_audit_msg_common(struct audit_buffer *ab, struct inode
> *inode, +                             const unsigned char *fname, const char 
> *op,
> +                             const char *cause, int result)
>  {
> -     struct audit_buffer *ab;
>       char name[TASK_COMM_LEN];
> 
> -     if (!integrity_audit_info && audit_info == 1)   /* Skip info messages */
> -             return;
> -
> -     ab = audit_log_start(current->audit_context, GFP_KERNEL, audit_msgno);
>       audit_log_format(ab, "pid=%d uid=%u auid=%u ses=%u",
>                        task_pid_nr(current),
>                        from_kuid(&init_user_ns, current_cred()->uid),
> @@ -59,5 +54,18 @@ void integrity_audit_msg(int audit_msgno, struct inode
> *inode, audit_log_d_path_exe(ab, current->mm);
>       audit_log_tty(ab, current);
>       audit_log_format(ab, " res=%d", !result);
> +}
> +
> +void integrity_audit_msg(int audit_msgno, struct inode *inode,
> +                      const unsigned char *fname, const char *op,
> +                      const char *cause, int result, int audit_info)
> +{
> +     struct audit_buffer *ab;
> +
> +     if (!integrity_audit_info && audit_info == 1)   /* Skip info messages */
> +             return;
> +
> +     ab = audit_log_start(current->audit_context, GFP_KERNEL, audit_msgno);
> +     integrity_audit_msg_common(ab, inode, fname, op, cause, result);
>       audit_log_end(ab);
>  }




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