void
PrintDeviceGrabInfo(DeviceIntPtr dev)
{
ClientPtr client;
LocalClientCredRec *lcc;
int i, j;
GrabInfoPtr devGrab = &dev->deviceGrab;
GrabPtr grab = devGrab->grab;
Bool clientIdPrinted = FALSE;
ErrorF("Active grab 0x%lx (%s) on device '%s' (%d):\n",
(unsigned long) grab->resource,
(grab->grabtype == XI2) ? "xi2" :
((grab->grabtype == CORE) ? "core" : "xi1"), dev->name, dev->id);
client = clients[CLIENT_ID(grab->resource)];
if (client) {
pid_t clientpid = GetClientPid(client);
const char *cmdname = GetClientCmdName(client);
const char *cmdargs = GetClientCmdArgs(client);
if ((clientpid > 0) && (cmdname != NULL)) {
ErrorF(" client pid %ld %s %s\n",
(long) clientpid, cmdname, cmdargs ? cmdargs : "");
clientIdPrinted = TRUE;
}
else if (GetLocalClientCreds(client, &lcc) != -1) {
ErrorF(" client pid %ld uid %ld gid %ld\n",
(lcc->fieldsSet & LCC_PID_SET) ? (long) lcc->pid : 0,
(lcc->fieldsSet & LCC_UID_SET) ? (long) lcc->euid : 0,
(lcc->fieldsSet & LCC_GID_SET) ? (long) lcc->egid : 0);
FreeLocalClientCreds(lcc);
clientIdPrinted = TRUE;
}
}
if (!clientIdPrinted) {
ErrorF(" (no client information available for client %d)\n",
CLIENT_ID(grab->resource));
}
/* XXX is this even correct? */
if (devGrab->sync.other)
ErrorF(" grab ID 0x%lx from paired device\n",
(unsigned long) devGrab->sync.other->resource);
ErrorF(" at %ld (from %s grab)%s (device %s, state %d)\n",
(unsigned long) devGrab->grabTime.milliseconds,
devGrab->fromPassiveGrab ? "passive" : "active",
devGrab->implicitGrab ? " (implicit)" : "",
devGrab->sync.frozen ? "frozen" : "thawed", devGrab->sync.state);
if (grab->grabtype == CORE) {
ErrorF(" core event mask 0x%lx\n",
(unsigned long) grab->eventMask);
}
else if (grab->grabtype == XI) {
ErrorF(" xi1 event mask 0x%lx\n",
devGrab->implicitGrab ? (unsigned long) grab->deviceMask :
(unsigned long) grab->eventMask);
}
else if (grab->grabtype == XI2) {
for (i = 0; i < xi2mask_num_masks(grab->xi2mask); i++) {
const unsigned char *mask;
int print;
print = 0;
for (j = 0; j < XI2MASKSIZE; j++) {
mask = xi2mask_get_one_mask(grab->xi2mask, i);
if (mask[j]) {
print = 1;
break;
}
}
if (!print)
continue;
ErrorF(" xi2 event mask for device %d: 0x", dev->id);
for (j = 0; j < xi2mask_mask_size(grab->xi2mask); j++)
ErrorF("%x", mask[j]);
ErrorF("\n");
}
}
if (devGrab->fromPassiveGrab) {
ErrorF(" passive grab type %d, detail 0x%x, "
"activating key %d\n", grab->type, grab->detail.exact,
devGrab->activatingKey);
}
ErrorF(" owner-events %s, kb %d ptr %d, confine %lx, cursor 0x%lx\n",
grab->ownerEvents ? "true" : "false",
grab->keyboardMode, grab->pointerMode,
grab->confineTo ? (unsigned long) grab->confineTo->drawable.id : 0,
grab->cursor ? (unsigned long) grab->cursor->id : 0);
}
static void
AuthAudit (ClientPtr client, Bool letin,
struct sockaddr *saddr, int len,
unsigned int proto_n, char *auth_proto, int auth_id)
{
char addr[128];
char *out = addr;
char client_uid_string[64];
LocalClientCredRec *lcc;
#ifdef XSERVER_DTRACE
pid_t client_pid = -1;
zoneid_t client_zid = -1;
#endif
if (!len)
strcpy(out, "local host");
else
switch (saddr->sa_family)
{
case AF_UNSPEC:
#if defined(UNIXCONN) || defined(LOCALCONN)
case AF_UNIX:
#endif
strcpy(out, "local host");
break;
#if defined(TCPCONN) || defined(STREAMSCONN) || defined(MNX_TCPCONN)
case AF_INET:
sprintf(out, "IP %s",
inet_ntoa(((struct sockaddr_in *) saddr)->sin_addr));
break;
#if defined(IPv6) && defined(AF_INET6)
case AF_INET6: {
char ipaddr[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, &((struct sockaddr_in6 *) saddr)->sin6_addr,
ipaddr, sizeof(ipaddr));
sprintf(out, "IP %s", ipaddr);
}
break;
#endif
#endif
#ifdef DNETCONN
case AF_DECnet:
sprintf(out, "DN %s",
dnet_ntoa(&((struct sockaddr_dn *) saddr)->sdn_add));
break;
#endif
default:
strcpy(out, "unknown address");
}
if (GetLocalClientCreds(client, &lcc) != -1) {
int slen; /* length written to client_uid_string */
strcpy(client_uid_string, " ( ");
slen = 3;
if (lcc->fieldsSet & LCC_UID_SET) {
snprintf(client_uid_string + slen,
sizeof(client_uid_string) - slen,
"uid=%ld ", (long) lcc->euid);
slen = strlen(client_uid_string);
}
if (lcc->fieldsSet & LCC_GID_SET) {
snprintf(client_uid_string + slen,
sizeof(client_uid_string) - slen,
"gid=%ld ", (long) lcc->egid);
slen = strlen(client_uid_string);
}
if (lcc->fieldsSet & LCC_PID_SET) {
#ifdef XSERVER_DTRACE
client_pid = lcc->pid;
#endif
snprintf(client_uid_string + slen,
sizeof(client_uid_string) - slen,
"pid=%ld ", (long) lcc->pid);
slen = strlen(client_uid_string);
}
if (lcc->fieldsSet & LCC_ZID_SET) {
#ifdef XSERVER_DTRACE
client_zid = lcc->zoneid;
#endif
snprintf(client_uid_string + slen,
sizeof(client_uid_string) - slen,
"zoneid=%ld ", (long) lcc->zoneid);
slen = strlen(client_uid_string);
}
snprintf(client_uid_string + slen, sizeof(client_uid_string) - slen,
")");
FreeLocalClientCreds(lcc);
}
else {
client_uid_string[0] = '\0';
}
#ifdef XSERVER_DTRACE
XSERVER_CLIENT_AUTH(client->index, addr, client_pid, client_zid);
#endif
if (auditTrailLevel > 1) {
if (proto_n)
AuditF("client %d %s from %s%s\n Auth name: %.*s ID: %d\n",
client->index, letin ? "connected" : "rejected", addr,
client_uid_string, (int)proto_n, auth_proto, auth_id);
else
AuditF("client %d %s from %s%s\n",
client->index, letin ? "connected" : "rejected", addr,
client_uid_string);
}
}
/*
* Simulate the access() system call for a shared memory segement,
* using the credentials from the client if available
*/
static int
shm_access(ClientPtr client, SHMPERM_TYPE *perm, int readonly)
{
int uid, gid;
mode_t mask;
int uidset = 0, gidset = 0;
LocalClientCredRec *lcc;
if (GetLocalClientCreds(client, &lcc) != -1) {
if (lcc->fieldsSet & LCC_UID_SET) {
uid = lcc->euid;
uidset = 1;
}
if (lcc->fieldsSet & LCC_GID_SET) {
gid = lcc->egid;
gidset = 1;
}
#if defined(HAVE_GETZONEID) && defined(SHMPERM_ZONEID)
if ( ((lcc->fieldsSet & LCC_ZID_SET) == 0) || (lcc->zoneid == -1)
|| (lcc->zoneid != SHMPERM_ZONEID(perm))) {
uidset = 0;
gidset = 0;
}
#endif
FreeLocalClientCreds(lcc);
if (uidset) {
/* User id 0 always gets access */
if (uid == 0) {
return 0;
}
/* Check the owner */
if (SHMPERM_UID(perm) == uid || SHMPERM_CUID(perm) == uid) {
mask = S_IRUSR;
if (!readonly) {
mask |= S_IWUSR;
}
return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1;
}
}
if (gidset) {
/* Check the group */
if (SHMPERM_GID(perm) == gid || SHMPERM_CGID(perm) == gid) {
mask = S_IRGRP;
if (!readonly) {
mask |= S_IWGRP;
}
return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1;
}
}
}
/* Otherwise, check everyone else */
mask = S_IROTH;
if (!readonly) {
mask |= S_IWOTH;
}
return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1;
}
void
PrintDeviceGrabInfo(DeviceIntPtr dev)
{
ClientPtr client;
LocalClientCredRec *lcc;
int i, j;
GrabInfoPtr devGrab = &dev->deviceGrab;
GrabPtr grab = devGrab->grab;
ErrorF("Active grab 0x%lx (%s) on device '%s' (%d):",
(unsigned long) grab->resource,
(grab->grabtype == GRABTYPE_XI2) ? "xi2" :
((grab->grabtype == GRABTYPE_CORE) ? "core" : "xi1"),
dev->name, dev->id);
client = clients[CLIENT_ID(grab->resource)];
if (client && GetLocalClientCreds(client, &lcc) != -1)
{
ErrorF(" client pid %ld uid %ld gid %ld\n",
(lcc->fieldsSet & LCC_PID_SET) ? (long) lcc->pid : 0,
(lcc->fieldsSet & LCC_UID_SET) ? (long) lcc->euid : 0,
(lcc->fieldsSet & LCC_GID_SET) ? (long) lcc->egid : 0);
FreeLocalClientCreds(lcc);
}
else
{
ErrorF(" (no client information available)\n");
}
/* XXX is this even correct? */
if (devGrab->sync.other)
ErrorF(" grab ID 0x%lx from paired device\n",
(unsigned long) devGrab->sync.other->resource);
ErrorF(" at %ld (from %s grab)%s (device %s, state %d)\n",
(unsigned long) devGrab->grabTime.milliseconds,
devGrab->fromPassiveGrab ? "passive" : "active",
devGrab->implicitGrab ? " (implicit)" : "",
devGrab->sync.frozen ? "frozen" : "thawed",
devGrab->sync.state);
if (grab->grabtype == GRABTYPE_CORE)
{
ErrorF(" core event mask 0x%lx\n",
(unsigned long) grab->eventMask);
}
else if (grab->grabtype == GRABTYPE_XI)
{
ErrorF(" xi1 event mask 0x%lx\n",
devGrab->implicitGrab ? (unsigned long) grab->deviceMask :
(unsigned long) grab->eventMask);
}
else if (grab->grabtype == GRABTYPE_XI2)
{
for (i = 0; i < EMASKSIZE; i++)
{
int print;
print = 0;
for (j = 0; j < XI2MASKSIZE; j++)
{
if (grab->xi2mask[i][j])
{
print = 1;
break;
}
}
if (!print)
continue;
ErrorF(" xi2 event mask for device %d: 0x", dev->id);
for (j = 0; j < XI2MASKSIZE; j++)
ErrorF("%x", grab->xi2mask[i][j]);
ErrorF("\n");
}
}
if (devGrab->fromPassiveGrab)
{
ErrorF(" passive grab type %d, detail 0x%x, "
"activating key %d\n", grab->type, grab->detail.exact,
devGrab->activatingKey);
}
ErrorF(" owner-events %s, kb %d ptr %d, confine %lx, cursor 0x%lx\n",
grab->ownerEvents ? "true" : "false",
grab->keyboardMode, grab->pointerMode,
grab->confineTo ? (unsigned long) grab->confineTo->drawable.id : 0,
grab->cursor ? (unsigned long) grab->cursor->id : 0);
}
