/*
* Get the audit state information from the current process.
* Return EFAULT if copyout fails.
*/
int
getaudit_addr(caddr_t info_p, int len)
{
STRUCT_DECL(auditinfo_addr, info);
const auditinfo_addr_t *ainfo;
model_t model;
if (secpolicy_audit_getattr(CRED(), B_FALSE) != 0)
return (EPERM);
model = get_udatamodel();
STRUCT_INIT(info, model);
if (len < STRUCT_SIZE(info))
return (EOVERFLOW);
ainfo = crgetauinfo(CRED());
if (ainfo == NULL)
return (EINVAL);
STRUCT_FSET(info, ai_auid, ainfo->ai_auid);
STRUCT_FSET(info, ai_mask, ainfo->ai_mask);
#ifdef _LP64
if (model == DATAMODEL_ILP32) {
dev32_t dev;
/* convert internal 64 bit form to 32 bit version */
if (cmpldev(&dev, ainfo->ai_termid.at_port) == 0) {
return (EOVERFLOW);
}
STRUCT_FSET(info, ai_termid.at_port, dev);
} else
STRUCT_FSET(info, ai_termid.at_port, ainfo->ai_termid.at_port);
#else
STRUCT_FSET(info, ai_termid.at_port, ainfo->ai_termid.at_port);
#endif
STRUCT_FSET(info, ai_termid.at_type, ainfo->ai_termid.at_type);
STRUCT_FSET(info, ai_termid.at_addr[0], ainfo->ai_termid.at_addr[0]);
STRUCT_FSET(info, ai_termid.at_addr[1], ainfo->ai_termid.at_addr[1]);
STRUCT_FSET(info, ai_termid.at_addr[2], ainfo->ai_termid.at_addr[2]);
STRUCT_FSET(info, ai_termid.at_addr[3], ainfo->ai_termid.at_addr[3]);
STRUCT_FSET(info, ai_asid, ainfo->ai_asid);
if (copyout(STRUCT_BUF(info), info_p, STRUCT_SIZE(info)))
return (EFAULT);
return (0);
}
/*
* Return the audit user ID for the current process. Currently only
* the privileged processes may see the audit id. That may change.
* If copyout is unsucessful return EFAULT.
*/
int
getauid(caddr_t auid_p)
{
const auditinfo_addr_t *ainfo;
if (secpolicy_audit_getattr(CRED(), B_FALSE) != 0)
return (EPERM);
ainfo = crgetauinfo(CRED());
if (ainfo == NULL)
return (EINVAL);
if (copyout(&ainfo->ai_auid, auid_p, sizeof (au_id_t)))
return (EFAULT);
return (0);
}
/*
* Get the audit state information from the current process.
* Return EFAULT if copyout fails.
*/
static int
getaudit(caddr_t info_p)
{
STRUCT_DECL(auditinfo, info);
const auditinfo_addr_t *ainfo;
model_t model;
if (secpolicy_audit_getattr(CRED()) != 0)
return (EPERM);
model = get_udatamodel();
STRUCT_INIT(info, model);
ainfo = crgetauinfo(CRED());
if (ainfo == NULL)
return (EINVAL);
/* trying to read a process with an IPv6 address? */
if (ainfo->ai_termid.at_type == AU_IPv6)
return (EOVERFLOW);
STRUCT_FSET(info, ai_auid, ainfo->ai_auid);
STRUCT_FSET(info, ai_mask, ainfo->ai_mask);
#ifdef _LP64
if (model == DATAMODEL_ILP32) {
dev32_t dev;
/* convert internal 64 bit form to 32 bit version */
if (cmpldev(&dev, ainfo->ai_termid.at_port) == 0) {
return (EOVERFLOW);
}
STRUCT_FSET(info, ai_termid.port, dev);
} else
STRUCT_FSET(info, ai_termid.port, ainfo->ai_termid.at_port);
#else
STRUCT_FSET(info, ai_termid.port, ainfo->ai_termid.at_port);
#endif
STRUCT_FSET(info, ai_termid.machine, ainfo->ai_termid.at_addr[0]);
STRUCT_FSET(info, ai_asid, ainfo->ai_asid);
if (copyout(STRUCT_BUF(info), info_p, STRUCT_SIZE(info)))
return (EFAULT);
return (0);
}
static int
setsmask(caddr_t data)
{
STRUCT_DECL(auditinfo, user_info);
struct proc *p;
const auditinfo_addr_t *ainfo;
model_t model;
/* setsmask not applicable in non-global zones without perzone policy */
if (!(audit_policy & AUDIT_PERZONE) && (!INGLOBALZONE(curproc)))
return (EINVAL);
model = get_udatamodel();
STRUCT_INIT(user_info, model);
if (copyin(data, STRUCT_BUF(user_info), STRUCT_SIZE(user_info)))
return (EFAULT);
mutex_enter(&pidlock); /* lock the process queue against updates */
for (p = practive; p != NULL; p = p->p_next) {
cred_t *cr;
/* if in non-global zone only modify processes in same zone */
if (!HASZONEACCESS(curproc, p->p_zone->zone_id))
continue;
mutex_enter(&p->p_lock); /* so process doesn't go away */
/* skip system processes and ones being created or going away */
if (p->p_stat == SIDL || p->p_stat == SZOMB ||
(p->p_flag & (SSYS | SEXITING | SEXITLWPS))) {
mutex_exit(&p->p_lock);
continue;
}
mutex_enter(&p->p_crlock);
crhold(cr = p->p_cred);
mutex_exit(&p->p_crlock);
ainfo = crgetauinfo(cr);
if (ainfo == NULL) {
mutex_exit(&p->p_lock);
crfree(cr);
continue;
}
if (ainfo->ai_asid == STRUCT_FGET(user_info, ai_asid)) {
au_mask_t mask;
int err;
/*
* Here's a process which matches the specified asid.
* If its mask doesn't already match the new mask,
* save the new mask in the pad, to be picked up
* next syscall.
*/
mask = STRUCT_FGET(user_info, ai_mask);
err = bcmp(&mask, &ainfo->ai_mask, sizeof (au_mask_t));
crfree(cr);
if (err != 0) {
struct p_audit_data *pad = P2A(p);
ASSERT(pad != NULL);
mutex_enter(&(pad->pad_lock));
pad->pad_flags |= PAD_SETMASK;
pad->pad_newmask = mask;
mutex_exit(&(pad->pad_lock));
/*
* No need to call set_proc_pre_sys(), since
* t_pre_sys is ALWAYS on when audit is
* enabled...due to syscall auditing.
*/
}
} else {
crfree(cr);
}
mutex_exit(&p->p_lock);
}
mutex_exit(&pidlock);
return (0);
}
static int
getpinfo_addr(caddr_t data, int len)
{
STRUCT_DECL(auditpinfo_addr, apinfo);
proc_t *proc;
const auditinfo_addr_t *ainfo;
model_t model;
cred_t *cr, *newcred;
model = get_udatamodel();
STRUCT_INIT(apinfo, model);
if (len < STRUCT_SIZE(apinfo))
return (EOVERFLOW);
if (copyin(data, STRUCT_BUF(apinfo), STRUCT_SIZE(apinfo)))
return (EFAULT);
newcred = cralloc();
mutex_enter(&pidlock);
if ((proc = prfind(STRUCT_FGET(apinfo, ap_pid))) == NULL) {
mutex_exit(&pidlock);
crfree(newcred);
return (ESRCH);
}
mutex_enter(&proc->p_lock); /* so process doesn't go away */
mutex_exit(&pidlock);
audit_update_context(proc, newcred); /* make sure it's up-to-date */
mutex_enter(&proc->p_crlock);
crhold(cr = proc->p_cred);
mutex_exit(&proc->p_crlock);
mutex_exit(&proc->p_lock);
ainfo = crgetauinfo(cr);
if (ainfo == NULL) {
crfree(cr);
return (EINVAL);
}
STRUCT_FSET(apinfo, ap_auid, ainfo->ai_auid);
STRUCT_FSET(apinfo, ap_asid, ainfo->ai_asid);
#ifdef _LP64
if (model == DATAMODEL_ILP32) {
dev32_t dev;
/* convert internal 64 bit form to 32 bit version */
if (cmpldev(&dev, ainfo->ai_termid.at_port) == 0) {
crfree(cr);
return (EOVERFLOW);
}
STRUCT_FSET(apinfo, ap_termid.at_port, dev);
} else
STRUCT_FSET(apinfo, ap_termid.at_port,
ainfo->ai_termid.at_port);
#else
STRUCT_FSET(apinfo, ap_termid.at_port, ainfo->ai_termid.at_port);
#endif
STRUCT_FSET(apinfo, ap_termid.at_type, ainfo->ai_termid.at_type);
STRUCT_FSET(apinfo, ap_termid.at_addr[0], ainfo->ai_termid.at_addr[0]);
STRUCT_FSET(apinfo, ap_termid.at_addr[1], ainfo->ai_termid.at_addr[1]);
STRUCT_FSET(apinfo, ap_termid.at_addr[2], ainfo->ai_termid.at_addr[2]);
STRUCT_FSET(apinfo, ap_termid.at_addr[3], ainfo->ai_termid.at_addr[3]);
STRUCT_FSET(apinfo, ap_mask, ainfo->ai_mask);
crfree(cr);
if (copyout(STRUCT_BUF(apinfo), data, STRUCT_SIZE(apinfo)))
return (EFAULT);
return (0);
}
