void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes)
{
centscreen_mode_t newmode, curmode;
newmode.handle = newmode.mode = newmode.logx = newmode.logy = -1;
newmode.physx = width;
newmode.physy = height;
newmode.plan = planes;
Vwrite(0, &newmode, &curmode);
/* Disable screensaver */
Vread(&newmode);
newmode.mode &= ~(CSCREEN_SAVER|CSCREEN_ENERGYSTAR);
Vwrite(0, &newmode, &curmode);
}
static void *
xdlsym(void *handle, const char *symbol)
{
void *res = dlsym(handle, symbol);
if (res==0) {
char const *error = dlerror();
Vwrite(2, symbol, strlen(symbol));
Vwrite(2, ": ", 2);
Vwrite(2, error, strlen(error));
Vwrite(2, "\n", 2);
_exit(255);
}
return res;
}
int main(int UNUSED argc, char *argv[])
{
int fd = open(argv[1], O_NOFOLLOW|O_NONBLOCK|O_RDONLY|O_NOCTTY);
struct stat st;
off_t size;
struct {
volatile unsigned int canary0;
volatile unsigned int canary1;
HashPath d;
volatile unsigned int canary2;
volatile unsigned int canary3;
} __attribute__((__packed__)) d_path;
d_path.canary0 = 0x12345678;
d_path.canary1 = 0x21436587;
d_path.canary2 = 0x89abcdef;
d_path.canary3 = 0x98badcfe;
memset(d_path.d, 0x66, sizeof d_path.d);
ensc_crypto_init();
global_info.hash_conf.method = ensc_crypto_hash_find(argv[2]);
assert(ensc_crypto_hashctx_init(&global_info.hash_context,
global_info.hash_conf.method)!=-1);
assert(fstat(fd, &st)!=-1);
// set members of st to defined values so that the hash (which is
// influenced by them) is predictable
size = st.st_size;
memset(&st, 0, sizeof st);
st.st_size = size;
assert(calculateHashFromFD(fd, d_path.d, &st));
assert(d_path.canary0 == 0x12345678);
assert(d_path.canary1 == 0x21436587);
assert(d_path.canary2 == 0x89abcdef);
assert(d_path.canary3 == 0x98badcfe);
Vwrite(1, d_path.d, strlen(d_path.d));
Vwrite(1, "\n", 1);
ensc_crypto_hashctx_free(&global_info.hash_context);
return 0;
}
void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle)
{
centscreen_mode_t newmode, curmode;
/* Restore old video mode */
newmode.handle = prev_handle;
newmode.mode = newmode.physx = newmode.physy = newmode.plan =
newmode.logx = newmode.logy = -1;
Vwrite(0, &newmode, &curmode);
}
static int
assumeNonNull(PathInfo const *cfgdir, char const *file, char const *val)
{
if (val!=0) return 0;
WRITE_MSG(2, "vserver-start: no value configured for '");
Vwrite (2, cfgdir->d, cfgdir->l);
WRITE_MSG(2, "/");
WRITE_STR(2, file);
WRITE_STR(2, "'\n");
return 1;
}
static size_t
findUtsIdx(char const *str, size_t len)
{
size_t i;
for (i=0; i<DIM_OF(UTS_STRINGS); ++i)
if (UTS_STRINGS[i]!=0 && strncasecmp(UTS_STRINGS[i], str, len)==0)
return i;
WRITE_MSG(2, "Tag '");
Vwrite (2, str, len);
WRITE_STR(2, "' not recognized\n");
exit(wrapper_exit_code);
}
static void
parseUMask(char const *str, struct vc_umask *umask)
{
struct vc_err_listparser err;
int rc;
rc = vc_list2umask(str, 0, &err, umask);
if (rc==-1) {
WRITE_MSG(2, "Unknown namespace '");
Vwrite(2, err.ptr, err.len);
WRITE_MSG(2, "'\n");
exit(wrapper_exit_code);
}
}
static void
parseCCaps(char const *str, struct vc_ctx_caps *caps)
{
struct vc_err_listparser err;
int rc;
rc = vc_list2ccap(str,0, &err, caps);
if (rc==-1) {
WRITE_MSG(2, "Unknown ccap '");
Vwrite(2, err.ptr, err.len);
WRITE_MSG(2, "'\n");
exit(wrapper_exit_code);
}
}
static void
parseFlags(char const *str, struct vc_ctx_flags *flags)
{
struct vc_err_listparser err;
int rc;
rc = vc_list2cflag(str,0, &err, flags);
if (rc==-1) {
WRITE_MSG(2, "Unknown flag '");
Vwrite(2, err.ptr, err.len);
WRITE_MSG(2, "'\n");
exit(wrapper_exit_code);
}
}
int main (int argc, char *argv[])
{
int idx = 1;
struct stat st;
if (argc>=2) {
if (strcmp(argv[1], "--help") ==0) showHelp(argv[0]);
if (strcmp(argv[1], "--version")==0) showVersion();
if (strcmp(argv[1], "--") ==0) ++idx;
}
if (argc<idx+1)
WRITE_MSG(2, "No filename specified; use '--help' for more information\n");
else if (stat(argv[idx], &st)==-1)
PERROR_Q("stat", argv[idx]);
else {
time_t now = time(NULL);
time_t since = now - st.st_mtime;
int days = since / (24*60*60);
int today = since % (24*60*60);
int hours = today / (60*60);
int minutes = (today % (60*60)) / 60;
char buf[3*sizeof(time_t)*3 + 128];
size_t l = 0;
if (days > 0) {
l = utilvserver_fmt_ulong(buf, days);
buf[l++] = ' ';
#define MSG "days, "
memcpy(buf+l, MSG, sizeof(MSG)-1); l += sizeof(MSG)-1;
}
if (hours<10) buf[l++] = '0';
l += utilvserver_fmt_ulong(buf+l, hours);
buf[l++] = ':';
if (minutes<10) buf[l++] = '0';
l += utilvserver_fmt_ulong(buf+l, minutes);
buf[l++] = '\n';
Vwrite(1, buf, l);
return EXIT_SUCCESS;
}
return EXIT_FAILURE;
}
static void
printReducecap(struct __user_cap_data_struct *user)
{
int i;
WRITE_MSG(1, " Capability Effective Permitted Inheritable\n");
for (i=0;; ++i) {
size_t const len = 23 + 10*2 + 4+2;
char const * text = vc_cap2text(i);
int bit = 1<<i;
size_t l;
char buf[len];
if (text==0) break;
memset(buf, ' ', sizeof buf);
buf[len-1] = '\n';
l = MIN(strlen(text), 22);
memcpy(buf, text, l);
buf[23 + 10*0 + 4] = (user->effective & bit) ? 'X' : ' ';
buf[23 + 10*1 + 4] = (user->permitted & bit) ? 'X' : ' ';
buf[23 + 10*2 + 4] = (user->inheritable & bit) ? 'X' : ' ';
Vwrite(1, buf, len);
}
}
int main (int argc, char *argv[])
{
uint32_t remove = 0;
bool do_show = false;
uint32_t flags = 0;
pid_t pid = 0;
#ifdef VC_ENABLE_API_LEGACY
bool show_obsolete_warning = true;
#endif
while (1) {
int c = getopt_long(argc, argv, "+", CMDLINE_OPTIONS, 0);
if (c==-1) break;
#ifdef VC_ENABLE_API_LEGACY
if (c>=CMD_OBSOLETE_CHOWN && c<=CMD_OBSOLETE_X_QUOTACTL) {
if (show_obsolete_warning) {
WRITE_MSG(2, "reducecap: warning, obsolete CLI used\n");
show_obsolete_warning = false;
}
remove = getCap(OBSOLETE_MAPPING[c-CMD_OBSOLETE_CHOWN]);
continue;
}
#endif
switch (c) {
case CMD_HELP : showHelp(1, argv[0], 0);
case CMD_VERSION : showVersion();
case CMD_SHOW : do_show = true; break;
case CMD_PID : pid = atoi(optarg); break;
#if defined(VC_ENABLE_API_COMPAT) || defined(VC_ENABLE_API_LEGACY)
case CMD_SECURE : remove = vc_get_insecurebcaps(); break;
case CMD_CAP : remove = getCap(optarg); break;
case CMD_FLAG : {
struct vc_err_listparser err;
flags = vc_list2cflag_compat(optarg, 0, &err);
if (err.ptr!=0) {
WRITE_MSG(2, "Unknown flag '");
Vwrite(2, err.ptr, err.len);
WRITE_MSG(2, "'\n");
exit(wrapper_exit_code);
}
break;
}
#else
case CMD_SECURE :
case CMD_CAP :
case CMD_FLAG : flags = 0; remove = 0; break;
#endif
}
}
if (!do_show && optind==argc) {
WRITE_MSG(2, "No command given; use '--help' for more information\n");
exit(wrapper_exit_code);
}
if (!do_show && pid!=0) {
WRITE_MSG(2, "A pid can be specified in '--show' mode only; use '--help' for more information\n");
exit(wrapper_exit_code);
}
if (do_show && optind==argc)
show(pid);
#if defined(VC_ENABLE_API_COMPAT) || defined(VC_ENABLE_API_LEGACY)
else {
Evc_new_s_context(VC_SAMECTX, remove, flags);
if (do_show) show(pid);
WRITE_MSG(2, "Executing\n");
Eexecvp(argv[optind], argv+optind);
}
#else
else if (do_show)
bool
Iface_read(struct Interface *res, PathInfo *cfgdir,
struct Interface const *dflt)
{
char const * extip;
char const * ip;
char const * mask;
char const * prefix;
char const * bcast;
bool rc = false;
// skip 'disabled' interfaces
if (readEntryFlag(cfgdir, "disabled", false)) return true;
ip = readEntryStr (cfgdir, "ip", 0);
mask = readEntryStr (cfgdir, "mask", 0);
prefix = readEntryStr (cfgdir, "prefix", 0);
extip = readEntryStr (cfgdir, "extip", 0);
bcast = readEntryStr (cfgdir, "bcast", 0);
res->mac = readEntryStr (cfgdir, "mac", 0);
res->name = readEntryStr (cfgdir, "name", 0);
res->dev = readEntryStr (cfgdir, "dev", dflt ? dflt->dev : 0);
res->scope = readEntryStr (cfgdir, "scope", dflt ? dflt->scope : 0);
res->nodev = readEntryFlag(cfgdir, "nodev", false);
res->direct = !readEntryFlag(cfgdir, "indirect", false);
res->up = !readEntryFlag(cfgdir, "down", false);
if (dflt && (
assumeNonNull(cfgdir, "ip", ip) +
assumeNonNull(cfgdir, "dev", res->dev) +
(dflt->addr.ipv4.mask>0) ? 0 : (
(mask ? 0 : assumeNonNull(cfgdir, "prefix", prefix)) +
(prefix ? 0 : assumeNonNull(cfgdir, "mask", mask))
)))
goto err;
if (mask && prefix) {
WRITE_MSG(2, "vserver-start: both 'prefix' and 'mask' specified in '");
Vwrite (2, cfgdir->d, cfgdir->l);
WRITE_MSG(2, "'\n");
goto err;
}
if (bcast)
res->addr.ipv4.bcast = inet_addr(bcast);
if (ip)
res->addr.ipv4.ip = inet_addr(ip);
if (extip)
res->addr.ipv4.extip = inet_addr(extip);
if (prefix) {
int p = atoi(prefix);
if (p==0) {
WRITE_MSG(2, "vserver-start: invalid 'prefix' specified in '");
Vwrite (2, cfgdir->d, cfgdir->l);
WRITE_MSG(2, "'\n");
goto err;
}
res->addr.ipv4.mask = htonl(-1u << (32-p));
}
else if (mask)
res->addr.ipv4.mask = inet_addr(mask);
else if (dflt)
res->addr.ipv4.mask = dflt->addr.ipv4.mask;
rc = true;
err:
free(const_cast(void *)(bcast));
free(const_cast(void *)(extip));
free(const_cast(void *)(ip));
free(const_cast(void *)(mask));
free(const_cast(void *)(prefix));
return rc;
}
