*
* Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
* Copyright 2005 Hewlett-Packard Development Company, L.P.
- * Copyright (C) 2005 IBM Corporation
+ * Copyright (C) 2005, 2006 IBM Corporation
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* this file -- see entry.S) is based on a GPL'd patch written by
* okir@suse.de and Copyright 2003 SuSE Linux AG.
*
+ * POSIX message queue support added by George Wilson <ltcgcw@us.ibm.com>,
+ * 2006.
+ *
* The support of additional filter rules compares (>, <, >=, <=) was
* added by Dustin Kirkland <dustin.kirkland@us.ibm.com>, 2005.
*
#include <linux/module.h>
#include <linux/mount.h>
#include <linux/socket.h>
+#include <linux/mqueue.h>
#include <linux/audit.h>
#include <linux/personality.h>
#include <linux/time.h>
#define AUDIT_AUX_IPCPERM 0
+struct audit_aux_data_mq_open {
+ struct audit_aux_data d;
+ int oflag;
+ mode_t mode;
+ struct mq_attr attr;
+};
+
+struct audit_aux_data_mq_sendrecv {
+ struct audit_aux_data d;
+ mqd_t mqdes;
+ size_t msg_len;
+ unsigned int msg_prio;
+ struct timespec abs_timeout;
+};
+
+struct audit_aux_data_mq_notify {
+ struct audit_aux_data d;
+ mqd_t mqdes;
+ struct sigevent notification;
+};
+
+struct audit_aux_data_mq_getsetattr {
+ struct audit_aux_data d;
+ mqd_t mqdes;
+ struct mq_attr mqstat;
+};
+
struct audit_aux_data_ipcctl {
struct audit_aux_data d;
struct ipc_perm p;
}
switch (rule->action) {
case AUDIT_NEVER: *state = AUDIT_DISABLED; break;
- case AUDIT_POSSIBLE: *state = AUDIT_BUILD_CONTEXT; break;
case AUDIT_ALWAYS: *state = AUDIT_RECORD_CONTEXT; break;
}
return 1;
continue; /* audit_panic has been called */
switch (aux->type) {
+ case AUDIT_MQ_OPEN: {
+ struct audit_aux_data_mq_open *axi = (void *)aux;
+ audit_log_format(ab,
+ "oflag=0x%x mode=%#o mq_flags=0x%lx mq_maxmsg=%ld "
+ "mq_msgsize=%ld mq_curmsgs=%ld",
+ axi->oflag, axi->mode, axi->attr.mq_flags,
+ axi->attr.mq_maxmsg, axi->attr.mq_msgsize,
+ axi->attr.mq_curmsgs);
+ break; }
+
+ case AUDIT_MQ_SENDRECV: {
+ struct audit_aux_data_mq_sendrecv *axi = (void *)aux;
+ audit_log_format(ab,
+ "mqdes=%d msg_len=%zd msg_prio=%u "
+ "abs_timeout_sec=%ld abs_timeout_nsec=%ld",
+ axi->mqdes, axi->msg_len, axi->msg_prio,
+ axi->abs_timeout.tv_sec, axi->abs_timeout.tv_nsec);
+ break; }
+
+ case AUDIT_MQ_NOTIFY: {
+ struct audit_aux_data_mq_notify *axi = (void *)aux;
+ audit_log_format(ab,
+ "mqdes=%d sigev_signo=%d",
+ axi->mqdes,
+ axi->notification.sigev_signo);
+ break; }
+
+ case AUDIT_MQ_GETSETATTR: {
+ struct audit_aux_data_mq_getsetattr *axi = (void *)aux;
+ audit_log_format(ab,
+ "mqdes=%d mq_flags=0x%lx mq_maxmsg=%ld mq_msgsize=%ld "
+ "mq_curmsgs=%ld ",
+ axi->mqdes,
+ axi->mqstat.mq_flags, axi->mqstat.mq_maxmsg,
+ axi->mqstat.mq_msgsize, axi->mqstat.mq_curmsgs);
+ break; }
+
case AUDIT_IPC: {
struct audit_aux_data_ipcctl *axi = (void *)aux;
audit_log_format(ab,
- " qbytes=%lx iuid=%u igid=%u mode=%x",
- axi->qbytes, axi->uid, axi->gid, axi->mode);
+ "ouid=%u ogid=%u mode=%x",
+ axi->uid, axi->gid, axi->mode);
if (axi->osid != 0) {
char *ctx = NULL;
u32 len;
case AUDIT_IPC_SET_PERM: {
struct audit_aux_data_ipcctl *axi = (void *)aux;
audit_log_format(ab,
- " new qbytes=%lx new iuid=%u new igid=%u new mode=%x",
+ "qbytes=%lx ouid=%u ogid=%u mode=%x",
axi->qbytes, axi->uid, axi->gid, axi->mode);
- if (axi->osid != 0) {
- char *ctx = NULL;
- u32 len;
- if (selinux_ctxid_to_string(
- axi->osid, &ctx, &len)) {
- audit_log_format(ab, " osid=%u",
- axi->osid);
- call_panic = 1;
- } else
- audit_log_format(ab, " obj=%s", ctx);
- kfree(ctx);
- }
break; }
+
case AUDIT_EXECVE: {
struct audit_aux_data_execve *axi = (void *)aux;
int i;
* Add a name to the list of audit names for this context.
* Called from fs/namei.c:getname().
*/
-void audit_getname(const char *name)
+void __audit_getname(const char *name)
{
struct audit_context *context = current->audit_context;
- if (!context || IS_ERR(name) || !name)
+ if (IS_ERR(name) || !name)
return;
if (!context->in_syscall) {
}
/**
- * audit_ipc_obj - record audit data for ipc object
- * @ipcp: ipc permissions
+ * __audit_mq_open - record audit data for a POSIX MQ open
+ * @oflag: open flag
+ * @mode: mode bits
+ * @u_attr: queue attributes
*
* Returns 0 for success or NULL context or < 0 on error.
*/
-int audit_ipc_obj(struct kern_ipc_perm *ipcp)
+int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
{
- struct audit_aux_data_ipcctl *ax;
+ struct audit_aux_data_mq_open *ax;
struct audit_context *context = current->audit_context;
+ if (!audit_enabled)
+ return 0;
+
if (likely(!context))
return 0;
if (!ax)
return -ENOMEM;
+ if (u_attr != NULL) {
+ if (copy_from_user(&ax->attr, u_attr, sizeof(ax->attr))) {
+ kfree(ax);
+ return -EFAULT;
+ }
+ } else
+ memset(&ax->attr, 0, sizeof(ax->attr));
+
+ ax->oflag = oflag;
+ ax->mode = mode;
+
+ ax->d.type = AUDIT_MQ_OPEN;
+ ax->d.next = context->aux;
+ context->aux = (void *)ax;
+ return 0;
+}
+
+/**
+ * __audit_mq_timedsend - record audit data for a POSIX MQ timed send
+ * @mqdes: MQ descriptor
+ * @msg_len: Message length
+ * @msg_prio: Message priority
+ * @abs_timeout: Message timeout in absolute time
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio,
+ const struct timespec __user *u_abs_timeout)
+{
+ struct audit_aux_data_mq_sendrecv *ax;
+ struct audit_context *context = current->audit_context;
+
+ if (!audit_enabled)
+ return 0;
+
+ if (likely(!context))
+ return 0;
+
+ ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+ if (!ax)
+ return -ENOMEM;
+
+ if (u_abs_timeout != NULL) {
+ if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) {
+ kfree(ax);
+ return -EFAULT;
+ }
+ } else
+ memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout));
+
+ ax->mqdes = mqdes;
+ ax->msg_len = msg_len;
+ ax->msg_prio = msg_prio;
+
+ ax->d.type = AUDIT_MQ_SENDRECV;
+ ax->d.next = context->aux;
+ context->aux = (void *)ax;
+ return 0;
+}
+
+/**
+ * __audit_mq_timedreceive - record audit data for a POSIX MQ timed receive
+ * @mqdes: MQ descriptor
+ * @msg_len: Message length
+ * @msg_prio: Message priority
+ * @abs_timeout: Message timeout in absolute time
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len,
+ unsigned int __user *u_msg_prio,
+ const struct timespec __user *u_abs_timeout)
+{
+ struct audit_aux_data_mq_sendrecv *ax;
+ struct audit_context *context = current->audit_context;
+
+ if (!audit_enabled)
+ return 0;
+
+ if (likely(!context))
+ return 0;
+
+ ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+ if (!ax)
+ return -ENOMEM;
+
+ if (u_msg_prio != NULL) {
+ if (get_user(ax->msg_prio, u_msg_prio)) {
+ kfree(ax);
+ return -EFAULT;
+ }
+ } else
+ ax->msg_prio = 0;
+
+ if (u_abs_timeout != NULL) {
+ if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) {
+ kfree(ax);
+ return -EFAULT;
+ }
+ } else
+ memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout));
+
+ ax->mqdes = mqdes;
+ ax->msg_len = msg_len;
+
+ ax->d.type = AUDIT_MQ_SENDRECV;
+ ax->d.next = context->aux;
+ context->aux = (void *)ax;
+ return 0;
+}
+
+/**
+ * __audit_mq_notify - record audit data for a POSIX MQ notify
+ * @mqdes: MQ descriptor
+ * @u_notification: Notification event
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+
+int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
+{
+ struct audit_aux_data_mq_notify *ax;
+ struct audit_context *context = current->audit_context;
+
+ if (!audit_enabled)
+ return 0;
+
+ if (likely(!context))
+ return 0;
+
+ ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+ if (!ax)
+ return -ENOMEM;
+
+ if (u_notification != NULL) {
+ if (copy_from_user(&ax->notification, u_notification, sizeof(ax->notification))) {
+ kfree(ax);
+ return -EFAULT;
+ }
+ } else
+ memset(&ax->notification, 0, sizeof(ax->notification));
+
+ ax->mqdes = mqdes;
+
+ ax->d.type = AUDIT_MQ_NOTIFY;
+ ax->d.next = context->aux;
+ context->aux = (void *)ax;
+ return 0;
+}
+
+/**
+ * __audit_mq_getsetattr - record audit data for a POSIX MQ get/set attribute
+ * @mqdes: MQ descriptor
+ * @mqstat: MQ flags
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
+{
+ struct audit_aux_data_mq_getsetattr *ax;
+ struct audit_context *context = current->audit_context;
+
+ if (!audit_enabled)
+ return 0;
+
+ if (likely(!context))
+ return 0;
+
+ ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+ if (!ax)
+ return -ENOMEM;
+
+ ax->mqdes = mqdes;
+ ax->mqstat = *mqstat;
+
+ ax->d.type = AUDIT_MQ_GETSETATTR;
+ ax->d.next = context->aux;
+ context->aux = (void *)ax;
+ return 0;
+}
+
+/**
+ * audit_ipc_obj - record audit data for ipc object
+ * @ipcp: ipc permissions
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int __audit_ipc_obj(struct kern_ipc_perm *ipcp)
+{
+ struct audit_aux_data_ipcctl *ax;
+ struct audit_context *context = current->audit_context;
+
+ ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+ if (!ax)
+ return -ENOMEM;
+
ax->uid = ipcp->uid;
ax->gid = ipcp->gid;
ax->mode = ipcp->mode;
*
* Returns 0 for success or NULL context or < 0 on error.
*/
-int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp)
+int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
{
struct audit_aux_data_ipcctl *ax;
struct audit_context *context = current->audit_context;
- if (likely(!context))
- return 0;
-
ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
if (!ax)
return -ENOMEM;
ax->uid = uid;
ax->gid = gid;
ax->mode = mode;
- selinux_get_ipc_sid(ipcp, &ax->osid);
ax->d.type = AUDIT_IPC_SET_PERM;
ax->d.next = context->aux;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff