Dmitry V. Levin
2094573930
* linux/keyctl.h: Remove. * Makefile.am (EXTRA_DIST): Remove it. * keyctl.c: Do not include <linux/keyctl.h>. * xlat/key_perms.in: Add default values. * xlat/key_reqkeys.in: Likewise. * xlat/key_spec.in: Likewise. * xlat/keyctl_commands.in: Likewise.
350 lines
7.0 KiB
C
350 lines
7.0 KiB
C
#include "defs.h"
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typedef int32_t key_serial_t;
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#include "xlat/key_spec.h"
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static void
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print_keyring_serial_number(key_serial_t id)
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{
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const char *str = xlookup(key_spec, id);
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if (str)
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tprints(str);
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else
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tprintf("%d", id);
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}
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int
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sys_add_key(struct tcb *tcp)
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{
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if (entering(tcp)) {
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/* type */
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printstr(tcp, tcp->u_arg[0], -1);
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/* description */
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tprints(", ");
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printstr(tcp, tcp->u_arg[1], -1);
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/* payload */
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tprints(", ");
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printstr(tcp, tcp->u_arg[2], tcp->u_arg[3]);
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/* payload length */
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tprintf(", %lu, ", tcp->u_arg[3]);
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/* keyring serial number */
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print_keyring_serial_number(tcp->u_arg[4]);
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}
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return 0;
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}
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int
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sys_request_key(struct tcb *tcp)
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{
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if (entering(tcp)) {
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/* type */
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printstr(tcp, tcp->u_arg[0], -1);
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/* description */
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tprints(", ");
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printstr(tcp, tcp->u_arg[1], -1);
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/* callout_info */
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tprints(", ");
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printstr(tcp, tcp->u_arg[2], -1);
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/* keyring serial number */
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tprints(", ");
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print_keyring_serial_number(tcp->u_arg[3]);
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}
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return 0;
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}
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static int
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keyctl_get_keyring_id(struct tcb *tcp, key_serial_t id, int create)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id);
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tprintf(", %d", create);
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}
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return 0;
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}
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static int
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keyctl_join_session_keyring(struct tcb *tcp, long addr)
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{
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if (entering(tcp)) {
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tprints(", ");
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printstr(tcp, addr, -1);
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}
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return 0;
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}
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static int
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keyctl_update_key(struct tcb *tcp, key_serial_t id, long addr, long len)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id);
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tprints(", ");
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printstr(tcp, addr, len);
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tprintf(", %lu", len);
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}
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return 0;
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}
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static int
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keyctl_handle_key(struct tcb *tcp, key_serial_t id)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id);
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}
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return 0;
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}
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static int
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keyctl_handle_key_key(struct tcb *tcp, key_serial_t id1, key_serial_t id2)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id1);
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tprints(", ");
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print_keyring_serial_number(id2);
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}
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return 0;
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}
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static int
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keyctl_read_key(struct tcb *tcp, key_serial_t id, long addr, long len)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id);
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tprints(", ");
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} else {
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if (addr && syserror(tcp))
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tprintf("%#lx", addr);
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else {
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long rval = tcp->u_rval > len ?
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len : (tcp->u_rval ? -1 : 0);
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printstr(tcp, addr, rval);
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}
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tprintf(", %lu", len);
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}
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return 0;
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}
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static int
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keyctl_keyring_search(struct tcb *tcp, key_serial_t id1, long addr1,
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long addr2, key_serial_t id2)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id1);
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tprints(", ");
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printstr(tcp, addr1, -1);
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tprints(", ");
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printstr(tcp, addr2, -1);
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tprints(", ");
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print_keyring_serial_number(id2);
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}
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return 0;
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}
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static int
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keyctl_chown_key(struct tcb *tcp, key_serial_t id, int user, int group)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id);
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tprintf(", %d, %d", user, group);
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}
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return 0;
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}
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static int
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keyctl_instantiate_key(struct tcb *tcp, key_serial_t id1, long addr,
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long len, key_serial_t id2)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id1);
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tprints(", ");
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printstr(tcp, addr, len);
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tprintf(", %lu, ", len);
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print_keyring_serial_number(id2);
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}
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return 0;
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}
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static int
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keyctl_instantiate_key_iov(struct tcb *tcp, key_serial_t id1,
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long addr, long len, key_serial_t id2)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id1);
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tprints(", ");
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tprint_iov(tcp, len, addr, 1);
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tprintf(", %lu, ", len);
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print_keyring_serial_number(id2);
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}
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return 0;
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}
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static int
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keyctl_negate_key(struct tcb *tcp, key_serial_t id1, unsigned timeout,
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key_serial_t id2)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id1);
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tprintf(", %u, ", timeout);
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print_keyring_serial_number(id2);
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}
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return 0;
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}
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static int
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keyctl_reject_key(struct tcb *tcp, key_serial_t id1, unsigned timeout,
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unsigned error, key_serial_t id2)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id1);
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tprintf(", %u, %u, ", timeout, error);
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print_keyring_serial_number(id2);
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}
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return 0;
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}
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static int
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keyctl_set_timeout(struct tcb *tcp, key_serial_t id, unsigned timeout)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id);
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tprintf(", %u", timeout);
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}
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return 0;
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}
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static int
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keyctl_get_persistent(struct tcb *tcp, int uid, key_serial_t id)
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{
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if (entering(tcp)) {
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tprintf(", %d, ", uid);
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print_keyring_serial_number(id);
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}
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return 0;
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}
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#include "xlat/key_perms.h"
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static int
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keyctl_setperm_key(struct tcb *tcp, key_serial_t id, uint32_t perm)
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{
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if (entering(tcp)) {
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tprints(", ");
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print_keyring_serial_number(id);
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tprints(", ");
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printflags(key_perms, perm, "KEY_???");
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}
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return 0;
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}
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#include "xlat/key_reqkeys.h"
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static int
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keyctl_set_reqkey_keyring(struct tcb *tcp, int reqkey)
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{
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if (entering(tcp)) {
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tprints(", ");
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printxval(key_reqkeys, reqkey, "KEY_REQKEY_DEFL_???");
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}
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return 0;
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}
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#include "xlat/keyctl_commands.h"
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int
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sys_keyctl(struct tcb *tcp)
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{
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int cmd = tcp->u_arg[0];
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if (entering(tcp))
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printxval(keyctl_commands, cmd, "KEYCTL_???");
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switch (cmd) {
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case KEYCTL_GET_KEYRING_ID:
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return keyctl_get_keyring_id(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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case KEYCTL_JOIN_SESSION_KEYRING:
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return keyctl_join_session_keyring(tcp, tcp->u_arg[1]);
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case KEYCTL_UPDATE:
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return keyctl_update_key(tcp, tcp->u_arg[1],
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tcp->u_arg[2], tcp->u_arg[3]);
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case KEYCTL_REVOKE:
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case KEYCTL_CLEAR:
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case KEYCTL_INVALIDATE:
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case KEYCTL_ASSUME_AUTHORITY:
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return keyctl_handle_key(tcp, tcp->u_arg[1]);
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case KEYCTL_LINK:
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case KEYCTL_UNLINK:
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return keyctl_handle_key_key(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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case KEYCTL_DESCRIBE:
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case KEYCTL_READ:
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case KEYCTL_GET_SECURITY:
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return keyctl_read_key(tcp, tcp->u_arg[1],
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tcp->u_arg[2], tcp->u_arg[3]);
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case KEYCTL_SEARCH:
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return keyctl_keyring_search(tcp, tcp->u_arg[1], tcp->u_arg[2],
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tcp->u_arg[3], tcp->u_arg[4]);
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case KEYCTL_CHOWN:
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return keyctl_chown_key(tcp, tcp->u_arg[1],
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tcp->u_arg[2], tcp->u_arg[3]);
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case KEYCTL_SETPERM:
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return keyctl_setperm_key(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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case KEYCTL_INSTANTIATE:
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return keyctl_instantiate_key(tcp, tcp->u_arg[1], tcp->u_arg[2],
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tcp->u_arg[3], tcp->u_arg[4]);
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case KEYCTL_NEGATE:
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return keyctl_negate_key(tcp, tcp->u_arg[1],
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tcp->u_arg[2], tcp->u_arg[3]);
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case KEYCTL_SET_REQKEY_KEYRING:
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return keyctl_set_reqkey_keyring(tcp, tcp->u_arg[1]);
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case KEYCTL_SET_TIMEOUT:
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return keyctl_set_timeout(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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case KEYCTL_SESSION_TO_PARENT:
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return 0;
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case KEYCTL_REJECT:
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return keyctl_reject_key(tcp, tcp->u_arg[1], tcp->u_arg[2],
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tcp->u_arg[3], tcp->u_arg[4]);
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case KEYCTL_INSTANTIATE_IOV:
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return keyctl_instantiate_key_iov(tcp, tcp->u_arg[1],
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tcp->u_arg[2], tcp->u_arg[3],
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tcp->u_arg[4]);
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case KEYCTL_GET_PERSISTENT:
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return keyctl_get_persistent(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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default:
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if (entering(tcp))
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tprintf(", %#lx, %#lx, %#lx, %#lx",
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tcp->u_arg[1], tcp->u_arg[2],
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tcp->u_arg[3], tcp->u_arg[4]);
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}
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return 0;
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}
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