blob: e77557e96794bf2ffeada2e1d128750e93403cba [file] [log] [blame]
#include "defs.h"
typedef int32_t key_serial_t;
#include "xlat/key_spec.h"
static void
print_keyring_serial_number(key_serial_t id)
{
const char *str = xlookup(key_spec, id);
if (str)
tprints(str);
else
tprintf("%d", id);
}
int
sys_add_key(struct tcb *tcp)
{
if (entering(tcp)) {
/* type */
printstr(tcp, tcp->u_arg[0], -1);
/* description */
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
/* payload */
tprints(", ");
printstr(tcp, tcp->u_arg[2], tcp->u_arg[3]);
/* payload length */
tprintf(", %lu, ", tcp->u_arg[3]);
/* keyring serial number */
print_keyring_serial_number(tcp->u_arg[4]);
}
return 0;
}
int
sys_request_key(struct tcb *tcp)
{
if (entering(tcp)) {
/* type */
printstr(tcp, tcp->u_arg[0], -1);
/* description */
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
/* callout_info */
tprints(", ");
printstr(tcp, tcp->u_arg[2], -1);
/* keyring serial number */
tprints(", ");
print_keyring_serial_number(tcp->u_arg[3]);
}
return 0;
}
static int
keyctl_get_keyring_id(struct tcb *tcp, key_serial_t id, int create)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id);
tprintf(", %d", create);
}
return 0;
}
static int
keyctl_join_session_keyring(struct tcb *tcp, long addr)
{
if (entering(tcp)) {
tprints(", ");
printstr(tcp, addr, -1);
}
return 0;
}
static int
keyctl_update_key(struct tcb *tcp, key_serial_t id, long addr, long len)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id);
tprints(", ");
printstr(tcp, addr, len);
tprintf(", %lu", len);
}
return 0;
}
static int
keyctl_handle_key(struct tcb *tcp, key_serial_t id)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id);
}
return 0;
}
static int
keyctl_handle_key_key(struct tcb *tcp, key_serial_t id1, key_serial_t id2)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id1);
tprints(", ");
print_keyring_serial_number(id2);
}
return 0;
}
static int
keyctl_read_key(struct tcb *tcp, key_serial_t id, long addr, long len)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id);
tprints(", ");
} else {
if (addr && syserror(tcp))
tprintf("%#lx", addr);
else {
long rval = tcp->u_rval > len ?
len : (tcp->u_rval ? -1 : 0);
printstr(tcp, addr, rval);
}
tprintf(", %lu", len);
}
return 0;
}
static int
keyctl_keyring_search(struct tcb *tcp, key_serial_t id1, long addr1,
long addr2, key_serial_t id2)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id1);
tprints(", ");
printstr(tcp, addr1, -1);
tprints(", ");
printstr(tcp, addr2, -1);
tprints(", ");
print_keyring_serial_number(id2);
}
return 0;
}
static int
keyctl_chown_key(struct tcb *tcp, key_serial_t id, int user, int group)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id);
tprintf(", %d, %d", user, group);
}
return 0;
}
static int
keyctl_instantiate_key(struct tcb *tcp, key_serial_t id1, long addr,
long len, key_serial_t id2)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id1);
tprints(", ");
printstr(tcp, addr, len);
tprintf(", %lu, ", len);
print_keyring_serial_number(id2);
}
return 0;
}
static int
keyctl_instantiate_key_iov(struct tcb *tcp, key_serial_t id1,
long addr, long len, key_serial_t id2)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id1);
tprints(", ");
tprint_iov(tcp, len, addr, 1);
tprintf(", %lu, ", len);
print_keyring_serial_number(id2);
}
return 0;
}
static int
keyctl_negate_key(struct tcb *tcp, key_serial_t id1, unsigned timeout,
key_serial_t id2)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id1);
tprintf(", %u, ", timeout);
print_keyring_serial_number(id2);
}
return 0;
}
static int
keyctl_reject_key(struct tcb *tcp, key_serial_t id1, unsigned timeout,
unsigned error, key_serial_t id2)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id1);
tprintf(", %u, %u, ", timeout, error);
print_keyring_serial_number(id2);
}
return 0;
}
static int
keyctl_set_timeout(struct tcb *tcp, key_serial_t id, unsigned timeout)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id);
tprintf(", %u", timeout);
}
return 0;
}
static int
keyctl_get_persistent(struct tcb *tcp, int uid, key_serial_t id)
{
if (entering(tcp)) {
tprintf(", %d, ", uid);
print_keyring_serial_number(id);
}
return 0;
}
#include "xlat/key_perms.h"
static int
keyctl_setperm_key(struct tcb *tcp, key_serial_t id, uint32_t perm)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id);
tprints(", ");
printflags(key_perms, perm, "KEY_???");
}
return 0;
}
#include "xlat/key_reqkeys.h"
static int
keyctl_set_reqkey_keyring(struct tcb *tcp, int reqkey)
{
if (entering(tcp)) {
tprints(", ");
printxval(key_reqkeys, reqkey, "KEY_REQKEY_DEFL_???");
}
return 0;
}
#include "xlat/keyctl_commands.h"
int
sys_keyctl(struct tcb *tcp)
{
int cmd = tcp->u_arg[0];
if (entering(tcp))
printxval(keyctl_commands, cmd, "KEYCTL_???");
switch (cmd) {
case KEYCTL_GET_KEYRING_ID:
return keyctl_get_keyring_id(tcp, tcp->u_arg[1], tcp->u_arg[2]);
case KEYCTL_JOIN_SESSION_KEYRING:
return keyctl_join_session_keyring(tcp, tcp->u_arg[1]);
case KEYCTL_UPDATE:
return keyctl_update_key(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3]);
case KEYCTL_REVOKE:
case KEYCTL_CLEAR:
case KEYCTL_INVALIDATE:
case KEYCTL_ASSUME_AUTHORITY:
return keyctl_handle_key(tcp, tcp->u_arg[1]);
case KEYCTL_LINK:
case KEYCTL_UNLINK:
return keyctl_handle_key_key(tcp, tcp->u_arg[1], tcp->u_arg[2]);
case KEYCTL_DESCRIBE:
case KEYCTL_READ:
case KEYCTL_GET_SECURITY:
return keyctl_read_key(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3]);
case KEYCTL_SEARCH:
return keyctl_keyring_search(tcp, tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
case KEYCTL_CHOWN:
return keyctl_chown_key(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3]);
case KEYCTL_SETPERM:
return keyctl_setperm_key(tcp, tcp->u_arg[1], tcp->u_arg[2]);
case KEYCTL_INSTANTIATE:
return keyctl_instantiate_key(tcp, tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
case KEYCTL_NEGATE:
return keyctl_negate_key(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3]);
case KEYCTL_SET_REQKEY_KEYRING:
return keyctl_set_reqkey_keyring(tcp, tcp->u_arg[1]);
case KEYCTL_SET_TIMEOUT:
return keyctl_set_timeout(tcp, tcp->u_arg[1], tcp->u_arg[2]);
case KEYCTL_SESSION_TO_PARENT:
return 0;
case KEYCTL_REJECT:
return keyctl_reject_key(tcp, tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
case KEYCTL_INSTANTIATE_IOV:
return keyctl_instantiate_key_iov(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3],
tcp->u_arg[4]);
case KEYCTL_GET_PERSISTENT:
return keyctl_get_persistent(tcp, tcp->u_arg[1], tcp->u_arg[2]);
default:
if (entering(tcp))
tprintf(", %#lx, %#lx, %#lx, %#lx",
tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
}
return 0;
}