From: Ondrej Mosnacek <omosnace@redhat.com> To: Paul Moore <paul@paul-moore.com> Cc: selinux@vger.kernel.org, linux-audit@redhat.com, linux-security-module@vger.kernel.org, "Thiébaud Weksteen" <tweek@google.com>, "Peter Enderborg" <peter.enderborg@sony.com>, "Michal Sekletar" <msekleta@redhat.com>, "Zdenek Pytela" <zpytela@redhat.com> Subject: [PATCH 1/2] audit: introduce a struct to represent an audit timestamp Date: Mon, 19 Dec 2022 18:54:48 +0100 [thread overview] Message-ID: <20221219175449.1657640-2-omosnace@redhat.com> (raw) In-Reply-To: <20221219175449.1657640-1-omosnace@redhat.com> Join the two fields that comprise an audit timestamp into a common structure. This will be used further in later commits. Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com> --- include/linux/audit.h | 5 +++++ kernel/audit.c | 16 ++++++++-------- kernel/audit.h | 4 ++-- kernel/auditsc.c | 9 ++++----- 4 files changed, 19 insertions(+), 15 deletions(-) diff --git a/include/linux/audit.h b/include/linux/audit.h index 3608992848d3..788ab93c3be4 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -84,6 +84,11 @@ enum audit_ntp_type { AUDIT_NTP_NVALS /* count */ }; +struct audit_timestamp { + struct timespec64 t; + unsigned int serial; +}; + #ifdef CONFIG_AUDITSYSCALL struct audit_ntp_val { long long oldval, newval; diff --git a/kernel/audit.c b/kernel/audit.c index 9bc0b0301198..aded2d69ea69 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1818,11 +1818,11 @@ unsigned int audit_serial(void) } static inline void audit_get_stamp(struct audit_context *ctx, - struct timespec64 *t, unsigned int *serial) + struct audit_timestamp *ts) { - if (!ctx || !auditsc_get_stamp(ctx, t, serial)) { - ktime_get_coarse_real_ts64(t); - *serial = audit_serial(); + if (!ctx || !auditsc_get_stamp(ctx, ts)) { + ktime_get_coarse_real_ts64(&ts->t); + ts->serial = audit_serial(); } } @@ -1845,8 +1845,7 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type) { struct audit_buffer *ab; - struct timespec64 t; - unsigned int serial; + struct audit_timestamp ts; if (audit_initialized != AUDIT_INITIALIZED) return NULL; @@ -1901,12 +1900,13 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, return NULL; } - audit_get_stamp(ab->ctx, &t, &serial); + audit_get_stamp(ab->ctx, &ts); /* cancel dummy context to enable supporting records */ if (ctx) ctx->dummy = 0; audit_log_format(ab, "audit(%llu.%03lu:%u): ", - (unsigned long long)t.tv_sec, t.tv_nsec/1000000, serial); + (unsigned long long)ts.t.tv_sec, ts.t.tv_nsec/1000000, + ts.serial); return ab; } diff --git a/kernel/audit.h b/kernel/audit.h index c57b008b9914..e3ea00ea399a 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -262,7 +262,7 @@ extern void audit_put_tty(struct tty_struct *tty); #ifdef CONFIG_AUDITSYSCALL extern unsigned int audit_serial(void); extern int auditsc_get_stamp(struct audit_context *ctx, - struct timespec64 *t, unsigned int *serial); + struct audit_timestamp *ts); extern void audit_put_watch(struct audit_watch *watch); extern void audit_get_watch(struct audit_watch *watch); @@ -303,7 +303,7 @@ extern void audit_filter_inodes(struct task_struct *tsk, struct audit_context *ctx); extern struct list_head *audit_killed_trees(void); #else /* CONFIG_AUDITSYSCALL */ -#define auditsc_get_stamp(c, t, s) 0 +#define auditsc_get_stamp(c, ts) 0 #define audit_put_watch(w) do { } while (0) #define audit_get_watch(w) do { } while (0) #define audit_to_watch(k, p, l, o) (-EINVAL) diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 9f8c05228d6d..061009ba9959 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -2513,16 +2513,15 @@ EXPORT_SYMBOL_GPL(__audit_inode_child); * * Also sets the context as auditable. */ -int auditsc_get_stamp(struct audit_context *ctx, - struct timespec64 *t, unsigned int *serial) +int auditsc_get_stamp(struct audit_context *ctx, struct audit_timestamp *ts) { if (ctx->context == AUDIT_CTX_UNUSED) return 0; if (!ctx->serial) ctx->serial = audit_serial(); - t->tv_sec = ctx->ctime.tv_sec; - t->tv_nsec = ctx->ctime.tv_nsec; - *serial = ctx->serial; + ts->t.tv_sec = ctx->ctime.tv_sec; + ts->t.tv_nsec = ctx->ctime.tv_nsec; + ts->serial = ctx->serial; if (!ctx->prio) { ctx->prio = 1; ctx->current_state = AUDIT_STATE_RECORD; -- 2.38.1
WARNING: multiple messages have this Message-ID (diff)
From: Ondrej Mosnacek <omosnace@redhat.com> To: Paul Moore <paul@paul-moore.com> Cc: "Thiébaud Weksteen" <tweek@google.com>, selinux@vger.kernel.org, "Peter Enderborg" <peter.enderborg@sony.com>, linux-security-module@vger.kernel.org, linux-audit@redhat.com, "Zdenek Pytela" <zpytela@redhat.com>, "Michal Sekletar" <msekleta@redhat.com> Subject: [PATCH 1/2] audit: introduce a struct to represent an audit timestamp Date: Mon, 19 Dec 2022 18:54:48 +0100 [thread overview] Message-ID: <20221219175449.1657640-2-omosnace@redhat.com> (raw) In-Reply-To: <20221219175449.1657640-1-omosnace@redhat.com> Join the two fields that comprise an audit timestamp into a common structure. This will be used further in later commits. Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com> --- include/linux/audit.h | 5 +++++ kernel/audit.c | 16 ++++++++-------- kernel/audit.h | 4 ++-- kernel/auditsc.c | 9 ++++----- 4 files changed, 19 insertions(+), 15 deletions(-) diff --git a/include/linux/audit.h b/include/linux/audit.h index 3608992848d3..788ab93c3be4 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -84,6 +84,11 @@ enum audit_ntp_type { AUDIT_NTP_NVALS /* count */ }; +struct audit_timestamp { + struct timespec64 t; + unsigned int serial; +}; + #ifdef CONFIG_AUDITSYSCALL struct audit_ntp_val { long long oldval, newval; diff --git a/kernel/audit.c b/kernel/audit.c index 9bc0b0301198..aded2d69ea69 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1818,11 +1818,11 @@ unsigned int audit_serial(void) } static inline void audit_get_stamp(struct audit_context *ctx, - struct timespec64 *t, unsigned int *serial) + struct audit_timestamp *ts) { - if (!ctx || !auditsc_get_stamp(ctx, t, serial)) { - ktime_get_coarse_real_ts64(t); - *serial = audit_serial(); + if (!ctx || !auditsc_get_stamp(ctx, ts)) { + ktime_get_coarse_real_ts64(&ts->t); + ts->serial = audit_serial(); } } @@ -1845,8 +1845,7 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type) { struct audit_buffer *ab; - struct timespec64 t; - unsigned int serial; + struct audit_timestamp ts; if (audit_initialized != AUDIT_INITIALIZED) return NULL; @@ -1901,12 +1900,13 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, return NULL; } - audit_get_stamp(ab->ctx, &t, &serial); + audit_get_stamp(ab->ctx, &ts); /* cancel dummy context to enable supporting records */ if (ctx) ctx->dummy = 0; audit_log_format(ab, "audit(%llu.%03lu:%u): ", - (unsigned long long)t.tv_sec, t.tv_nsec/1000000, serial); + (unsigned long long)ts.t.tv_sec, ts.t.tv_nsec/1000000, + ts.serial); return ab; } diff --git a/kernel/audit.h b/kernel/audit.h index c57b008b9914..e3ea00ea399a 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -262,7 +262,7 @@ extern void audit_put_tty(struct tty_struct *tty); #ifdef CONFIG_AUDITSYSCALL extern unsigned int audit_serial(void); extern int auditsc_get_stamp(struct audit_context *ctx, - struct timespec64 *t, unsigned int *serial); + struct audit_timestamp *ts); extern void audit_put_watch(struct audit_watch *watch); extern void audit_get_watch(struct audit_watch *watch); @@ -303,7 +303,7 @@ extern void audit_filter_inodes(struct task_struct *tsk, struct audit_context *ctx); extern struct list_head *audit_killed_trees(void); #else /* CONFIG_AUDITSYSCALL */ -#define auditsc_get_stamp(c, t, s) 0 +#define auditsc_get_stamp(c, ts) 0 #define audit_put_watch(w) do { } while (0) #define audit_get_watch(w) do { } while (0) #define audit_to_watch(k, p, l, o) (-EINVAL) diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 9f8c05228d6d..061009ba9959 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -2513,16 +2513,15 @@ EXPORT_SYMBOL_GPL(__audit_inode_child); * * Also sets the context as auditable. */ -int auditsc_get_stamp(struct audit_context *ctx, - struct timespec64 *t, unsigned int *serial) +int auditsc_get_stamp(struct audit_context *ctx, struct audit_timestamp *ts) { if (ctx->context == AUDIT_CTX_UNUSED) return 0; if (!ctx->serial) ctx->serial = audit_serial(); - t->tv_sec = ctx->ctime.tv_sec; - t->tv_nsec = ctx->ctime.tv_nsec; - *serial = ctx->serial; + ts->t.tv_sec = ctx->ctime.tv_sec; + ts->t.tv_nsec = ctx->ctime.tv_nsec; + ts->serial = ctx->serial; if (!ctx->prio) { ctx->prio = 1; ctx->current_state = AUDIT_STATE_RECORD; -- 2.38.1 -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit
next prev parent reply other threads:[~2022-12-19 17:55 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-12-19 17:54 [PATCH 0/2] Provide matching audit timestamp in the SELinux AVC trace event Ondrej Mosnacek 2022-12-19 17:54 ` Ondrej Mosnacek 2022-12-19 17:54 ` Ondrej Mosnacek [this message] 2022-12-19 17:54 ` [PATCH 1/2] audit: introduce a struct to represent an audit timestamp Ondrej Mosnacek 2022-12-19 18:47 ` Casey Schaufler 2022-12-19 18:47 ` Casey Schaufler 2022-12-19 22:24 ` Paul Moore 2022-12-19 22:24 ` Paul Moore
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