Revision 67867308 linux-user/syscall.c
| b/linux-user/syscall.c | ||
|---|---|---|
| 65 | 65 |
|
| 66 | 66 |
//#define DEBUG |
| 67 | 67 |
|
| 68 |
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) |
|
| 69 |
/* 16 bit uid wrappers emulation */ |
|
| 70 |
#define USE_UID16 |
|
| 71 |
#endif |
|
| 72 |
|
|
| 68 | 73 |
//#include <linux/msdos_fs.h> |
| 69 | 74 |
#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
|
| 70 | 75 |
#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
|
| ... | ... | |
| 1264 | 1269 |
new_env->regs[13] = newsp; |
| 1265 | 1270 |
new_env->regs[0] = 0; |
| 1266 | 1271 |
#elif defined(TARGET_SPARC) |
| 1267 |
printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
|
|
| 1272 |
printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
|
|
| 1273 |
#elif defined(TARGET_PPC) |
|
| 1274 |
if (!newsp) |
|
| 1275 |
newsp = env->gpr[1]; |
|
| 1276 |
new_env->gpr[1] = newsp; |
|
| 1277 |
{
|
|
| 1278 |
int i; |
|
| 1279 |
for (i = 7; i < 32; i++) |
|
| 1280 |
new_env->gpr[i] = 0; |
|
| 1281 |
} |
|
| 1268 | 1282 |
#else |
| 1269 | 1283 |
#error unsupported target CPU |
| 1270 | 1284 |
#endif |
| ... | ... | |
| 1325 | 1339 |
return ret; |
| 1326 | 1340 |
} |
| 1327 | 1341 |
|
| 1342 |
#ifdef USE_UID16 |
|
| 1328 | 1343 |
|
| 1329 |
#define high2lowuid(x) (x) |
|
| 1330 |
#define high2lowgid(x) (x) |
|
| 1331 |
#define low2highuid(x) (x) |
|
| 1332 |
#define low2highgid(x) (x) |
|
| 1344 |
static inline int high2lowuid(int uid) |
|
| 1345 |
{
|
|
| 1346 |
if (uid > 65535) |
|
| 1347 |
return 65534; |
|
| 1348 |
else |
|
| 1349 |
return uid; |
|
| 1350 |
} |
|
| 1351 |
|
|
| 1352 |
static inline int high2lowgid(int gid) |
|
| 1353 |
{
|
|
| 1354 |
if (gid > 65535) |
|
| 1355 |
return 65534; |
|
| 1356 |
else |
|
| 1357 |
return gid; |
|
| 1358 |
} |
|
| 1359 |
|
|
| 1360 |
static inline int low2highuid(int uid) |
|
| 1361 |
{
|
|
| 1362 |
if ((int16_t)uid == -1) |
|
| 1363 |
return -1; |
|
| 1364 |
else |
|
| 1365 |
return uid; |
|
| 1366 |
} |
|
| 1367 |
|
|
| 1368 |
static inline int low2highgid(int gid) |
|
| 1369 |
{
|
|
| 1370 |
if ((int16_t)gid == -1) |
|
| 1371 |
return -1; |
|
| 1372 |
else |
|
| 1373 |
return gid; |
|
| 1374 |
} |
|
| 1375 |
|
|
| 1376 |
#endif /* USE_UID16 */ |
|
| 1333 | 1377 |
|
| 1334 | 1378 |
void syscall_init(void) |
| 1335 | 1379 |
{
|
| ... | ... | |
| 1472 | 1516 |
case TARGET_NR_chmod: |
| 1473 | 1517 |
ret = get_errno(chmod((const char *)arg1, arg2)); |
| 1474 | 1518 |
break; |
| 1475 |
case TARGET_NR_lchown: |
|
| 1476 |
ret = get_errno(chown((const char *)arg1, arg2, arg3)); |
|
| 1477 |
break; |
|
| 1478 | 1519 |
#ifdef TARGET_NR_break |
| 1479 | 1520 |
case TARGET_NR_break: |
| 1480 | 1521 |
goto unimplemented; |
| ... | ... | |
| 1495 | 1536 |
case TARGET_NR_umount: |
| 1496 | 1537 |
ret = get_errno(umount((const char *)arg1)); |
| 1497 | 1538 |
break; |
| 1498 |
case TARGET_NR_setuid: |
|
| 1499 |
ret = get_errno(setuid(low2highuid(arg1))); |
|
| 1500 |
break; |
|
| 1501 |
case TARGET_NR_getuid: |
|
| 1502 |
ret = get_errno(getuid()); |
|
| 1503 |
break; |
|
| 1504 | 1539 |
case TARGET_NR_stime: |
| 1505 | 1540 |
{
|
| 1506 | 1541 |
int *time_ptr = (int *)arg1; |
| ... | ... | |
| 1596 | 1631 |
case TARGET_NR_prof: |
| 1597 | 1632 |
goto unimplemented; |
| 1598 | 1633 |
#endif |
| 1599 |
case TARGET_NR_setgid: |
|
| 1600 |
ret = get_errno(setgid(low2highgid(arg1))); |
|
| 1601 |
break; |
|
| 1602 |
case TARGET_NR_getgid: |
|
| 1603 |
ret = get_errno(getgid()); |
|
| 1604 |
break; |
|
| 1605 | 1634 |
case TARGET_NR_signal: |
| 1606 | 1635 |
goto unimplemented; |
| 1607 |
case TARGET_NR_geteuid: |
|
| 1608 |
ret = get_errno(geteuid()); |
|
| 1609 |
break; |
|
| 1610 |
case TARGET_NR_getegid: |
|
| 1611 |
ret = get_errno(getegid()); |
|
| 1612 |
break; |
|
| 1636 |
|
|
| 1613 | 1637 |
case TARGET_NR_acct: |
| 1614 | 1638 |
goto unimplemented; |
| 1615 | 1639 |
case TARGET_NR_umount2: |
| ... | ... | |
| 1844 | 1868 |
/* NOTE: ret is eax, so not transcoding must be done */ |
| 1845 | 1869 |
ret = do_rt_sigreturn(cpu_env); |
| 1846 | 1870 |
break; |
| 1847 |
case TARGET_NR_setreuid: |
|
| 1848 |
ret = get_errno(setreuid(arg1, arg2)); |
|
| 1849 |
break; |
|
| 1850 |
case TARGET_NR_setregid: |
|
| 1851 |
ret = get_errno(setregid(arg1, arg2)); |
|
| 1852 |
break; |
|
| 1853 | 1871 |
case TARGET_NR_sethostname: |
| 1854 | 1872 |
ret = get_errno(sethostname((const char *)arg1, arg2)); |
| 1855 | 1873 |
break; |
| ... | ... | |
| 1906 | 1924 |
ret = get_errno(settimeofday(&tv, NULL)); |
| 1907 | 1925 |
} |
| 1908 | 1926 |
break; |
| 1909 |
case TARGET_NR_getgroups: |
|
| 1910 |
{
|
|
| 1911 |
int gidsetsize = arg1; |
|
| 1912 |
uint16_t *target_grouplist = (void *)arg2; |
|
| 1913 |
gid_t *grouplist; |
|
| 1914 |
int i; |
|
| 1915 |
|
|
| 1916 |
grouplist = alloca(gidsetsize * sizeof(gid_t)); |
|
| 1917 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
|
| 1918 |
if (!is_error(ret)) {
|
|
| 1919 |
for(i = 0;i < gidsetsize; i++) |
|
| 1920 |
target_grouplist[i] = tswap16(grouplist[i]); |
|
| 1921 |
} |
|
| 1922 |
} |
|
| 1923 |
break; |
|
| 1924 |
case TARGET_NR_setgroups: |
|
| 1925 |
{
|
|
| 1926 |
int gidsetsize = arg1; |
|
| 1927 |
uint16_t *target_grouplist = (void *)arg2; |
|
| 1928 |
gid_t *grouplist; |
|
| 1929 |
int i; |
|
| 1930 |
|
|
| 1931 |
grouplist = alloca(gidsetsize * sizeof(gid_t)); |
|
| 1932 |
for(i = 0;i < gidsetsize; i++) |
|
| 1933 |
grouplist[i] = tswap16(target_grouplist[i]); |
|
| 1934 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
|
| 1935 |
} |
|
| 1936 |
break; |
|
| 1937 | 1927 |
case TARGET_NR_select: |
| 1938 | 1928 |
{
|
| 1939 | 1929 |
struct target_sel_arg_struct *sel = (void *)arg1; |
| ... | ... | |
| 2026 | 2016 |
case TARGET_NR_fchmod: |
| 2027 | 2017 |
ret = get_errno(fchmod(arg1, arg2)); |
| 2028 | 2018 |
break; |
| 2029 |
case TARGET_NR_fchown: |
|
| 2030 |
ret = get_errno(fchown(arg1, arg2, arg3)); |
|
| 2031 |
break; |
|
| 2032 | 2019 |
case TARGET_NR_getpriority: |
| 2033 | 2020 |
ret = get_errno(getpriority(arg1, arg2)); |
| 2034 | 2021 |
break; |
| ... | ... | |
| 2121 | 2108 |
struct target_stat *target_st = (void *)arg2; |
| 2122 | 2109 |
target_st->st_dev = tswap16(st.st_dev); |
| 2123 | 2110 |
target_st->st_ino = tswapl(st.st_ino); |
| 2111 |
#if defined(TARGET_PPC) |
|
| 2112 |
target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ |
|
| 2113 |
target_st->st_uid = tswap32(st.st_uid); |
|
| 2114 |
target_st->st_gid = tswap32(st.st_gid); |
|
| 2115 |
#else |
|
| 2124 | 2116 |
target_st->st_mode = tswap16(st.st_mode); |
| 2125 |
target_st->st_nlink = tswap16(st.st_nlink); |
|
| 2126 | 2117 |
target_st->st_uid = tswap16(st.st_uid); |
| 2127 | 2118 |
target_st->st_gid = tswap16(st.st_gid); |
| 2119 |
#endif |
|
| 2120 |
target_st->st_nlink = tswap16(st.st_nlink); |
|
| 2128 | 2121 |
target_st->st_rdev = tswap16(st.st_rdev); |
| 2129 | 2122 |
target_st->st_size = tswapl(st.st_size); |
| 2130 | 2123 |
target_st->st_blksize = tswapl(st.st_blksize); |
| ... | ... | |
| 2230 | 2223 |
break; |
| 2231 | 2224 |
case TARGET_NR_afs_syscall: |
| 2232 | 2225 |
goto unimplemented; |
| 2233 |
case TARGET_NR_setfsuid: |
|
| 2234 |
ret = get_errno(setfsuid(arg1)); |
|
| 2235 |
break; |
|
| 2236 |
case TARGET_NR_setfsgid: |
|
| 2237 |
ret = get_errno(setfsgid(arg1)); |
|
| 2238 |
break; |
|
| 2239 | 2226 |
case TARGET_NR__llseek: |
| 2240 | 2227 |
{
|
| 2241 | 2228 |
int64_t res; |
| ... | ... | |
| 2465 | 2452 |
} |
| 2466 | 2453 |
} |
| 2467 | 2454 |
break; |
| 2468 |
#ifdef TARGET_NR_setresuid |
|
| 2469 |
case TARGET_NR_setresuid: |
|
| 2470 |
ret = get_errno(setresuid(low2highuid(arg1), |
|
| 2471 |
low2highuid(arg2), |
|
| 2472 |
low2highuid(arg3))); |
|
| 2473 |
break; |
|
| 2474 |
#endif |
|
| 2475 |
#ifdef TARGET_NR_getresuid |
|
| 2476 |
case TARGET_NR_getresuid: |
|
| 2477 |
{
|
|
| 2478 |
int ruid, euid, suid; |
|
| 2479 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
|
| 2480 |
if (!is_error(ret)) {
|
|
| 2481 |
*(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); |
|
| 2482 |
*(uint16_t *)arg2 = tswap16(high2lowuid(euid)); |
|
| 2483 |
*(uint16_t *)arg3 = tswap16(high2lowuid(suid)); |
|
| 2484 |
} |
|
| 2485 |
} |
|
| 2486 |
break; |
|
| 2487 |
#endif |
|
| 2488 |
#ifdef TARGET_NR_getresgid |
|
| 2489 |
case TARGET_NR_setresgid: |
|
| 2490 |
ret = get_errno(setresgid(low2highgid(arg1), |
|
| 2491 |
low2highgid(arg2), |
|
| 2492 |
low2highgid(arg3))); |
|
| 2493 |
break; |
|
| 2494 |
#endif |
|
| 2495 |
#ifdef TARGET_NR_getresgid |
|
| 2496 |
case TARGET_NR_getresgid: |
|
| 2497 |
{
|
|
| 2498 |
int rgid, egid, sgid; |
|
| 2499 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
|
| 2500 |
if (!is_error(ret)) {
|
|
| 2501 |
*(uint16_t *)arg1 = high2lowgid(tswap16(rgid)); |
|
| 2502 |
*(uint16_t *)arg2 = high2lowgid(tswap16(egid)); |
|
| 2503 |
*(uint16_t *)arg3 = high2lowgid(tswap16(sgid)); |
|
| 2504 |
} |
|
| 2505 |
} |
|
| 2506 |
break; |
|
| 2507 |
#endif |
|
| 2508 | 2455 |
case TARGET_NR_query_module: |
| 2509 | 2456 |
goto unimplemented; |
| 2510 | 2457 |
case TARGET_NR_nfsservctl: |
| 2511 | 2458 |
goto unimplemented; |
| 2512 | 2459 |
case TARGET_NR_prctl: |
| 2513 | 2460 |
goto unimplemented; |
| 2461 |
#ifdef TARGET_NR_pread |
|
| 2514 | 2462 |
case TARGET_NR_pread: |
| 2515 | 2463 |
page_unprotect_range((void *)arg2, arg3); |
| 2516 | 2464 |
ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4)); |
| ... | ... | |
| 2518 | 2466 |
case TARGET_NR_pwrite: |
| 2519 | 2467 |
ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4)); |
| 2520 | 2468 |
break; |
| 2521 |
case TARGET_NR_chown: |
|
| 2522 |
ret = get_errno(chown((const char *)arg1, arg2, arg3)); |
|
| 2523 |
break; |
|
| 2469 |
#endif |
|
| 2524 | 2470 |
case TARGET_NR_getcwd: |
| 2525 | 2471 |
ret = get_errno(sys_getcwd1((char *)arg1, arg2)); |
| 2526 | 2472 |
break; |
| ... | ... | |
| 2594 | 2540 |
} |
| 2595 | 2541 |
break; |
| 2596 | 2542 |
|
| 2543 |
#ifdef USE_UID16 |
|
| 2544 |
case TARGET_NR_lchown: |
|
| 2545 |
ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); |
|
| 2546 |
break; |
|
| 2547 |
case TARGET_NR_getuid: |
|
| 2548 |
ret = get_errno(high2lowuid(getuid())); |
|
| 2549 |
break; |
|
| 2550 |
case TARGET_NR_getgid: |
|
| 2551 |
ret = get_errno(high2lowgid(getgid())); |
|
| 2552 |
break; |
|
| 2553 |
case TARGET_NR_geteuid: |
|
| 2554 |
ret = get_errno(high2lowuid(geteuid())); |
|
| 2555 |
break; |
|
| 2556 |
case TARGET_NR_getegid: |
|
| 2557 |
ret = get_errno(high2lowgid(getegid())); |
|
| 2558 |
break; |
|
| 2559 |
case TARGET_NR_setreuid: |
|
| 2560 |
ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
|
| 2561 |
break; |
|
| 2562 |
case TARGET_NR_setregid: |
|
| 2563 |
ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
|
| 2564 |
break; |
|
| 2565 |
case TARGET_NR_getgroups: |
|
| 2566 |
{
|
|
| 2567 |
int gidsetsize = arg1; |
|
| 2568 |
uint16_t *target_grouplist = (void *)arg2; |
|
| 2569 |
gid_t *grouplist; |
|
| 2570 |
int i; |
|
| 2571 |
|
|
| 2572 |
grouplist = alloca(gidsetsize * sizeof(gid_t)); |
|
| 2573 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
|
| 2574 |
if (!is_error(ret)) {
|
|
| 2575 |
for(i = 0;i < gidsetsize; i++) |
|
| 2576 |
target_grouplist[i] = tswap16(grouplist[i]); |
|
| 2577 |
} |
|
| 2578 |
} |
|
| 2579 |
break; |
|
| 2580 |
case TARGET_NR_setgroups: |
|
| 2581 |
{
|
|
| 2582 |
int gidsetsize = arg1; |
|
| 2583 |
uint16_t *target_grouplist = (void *)arg2; |
|
| 2584 |
gid_t *grouplist; |
|
| 2585 |
int i; |
|
| 2586 |
|
|
| 2587 |
grouplist = alloca(gidsetsize * sizeof(gid_t)); |
|
| 2588 |
for(i = 0;i < gidsetsize; i++) |
|
| 2589 |
grouplist[i] = tswap16(target_grouplist[i]); |
|
| 2590 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
|
| 2591 |
} |
|
| 2592 |
break; |
|
| 2593 |
case TARGET_NR_fchown: |
|
| 2594 |
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
|
| 2595 |
break; |
|
| 2596 |
#ifdef TARGET_NR_setresuid |
|
| 2597 |
case TARGET_NR_setresuid: |
|
| 2598 |
ret = get_errno(setresuid(low2highuid(arg1), |
|
| 2599 |
low2highuid(arg2), |
|
| 2600 |
low2highuid(arg3))); |
|
| 2601 |
break; |
|
| 2602 |
#endif |
|
| 2603 |
#ifdef TARGET_NR_getresuid |
|
| 2604 |
case TARGET_NR_getresuid: |
|
| 2605 |
{
|
|
| 2606 |
int ruid, euid, suid; |
|
| 2607 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
|
| 2608 |
if (!is_error(ret)) {
|
|
| 2609 |
*(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); |
|
| 2610 |
*(uint16_t *)arg2 = tswap16(high2lowuid(euid)); |
|
| 2611 |
*(uint16_t *)arg3 = tswap16(high2lowuid(suid)); |
|
| 2612 |
} |
|
| 2613 |
} |
|
| 2614 |
break; |
|
| 2615 |
#endif |
|
| 2616 |
#ifdef TARGET_NR_getresgid |
|
| 2617 |
case TARGET_NR_setresgid: |
|
| 2618 |
ret = get_errno(setresgid(low2highgid(arg1), |
|
| 2619 |
low2highgid(arg2), |
|
| 2620 |
low2highgid(arg3))); |
|
| 2621 |
break; |
|
| 2622 |
#endif |
|
| 2623 |
#ifdef TARGET_NR_getresgid |
|
| 2624 |
case TARGET_NR_getresgid: |
|
| 2625 |
{
|
|
| 2626 |
int rgid, egid, sgid; |
|
| 2627 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
|
| 2628 |
if (!is_error(ret)) {
|
|
| 2629 |
*(uint16_t *)arg1 = tswap16(high2lowgid(rgid)); |
|
| 2630 |
*(uint16_t *)arg2 = tswap16(high2lowgid(egid)); |
|
| 2631 |
*(uint16_t *)arg3 = tswap16(high2lowgid(sgid)); |
|
| 2632 |
} |
|
| 2633 |
} |
|
| 2634 |
break; |
|
| 2635 |
#endif |
|
| 2636 |
case TARGET_NR_chown: |
|
| 2637 |
ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); |
|
| 2638 |
break; |
|
| 2639 |
case TARGET_NR_setuid: |
|
| 2640 |
ret = get_errno(setuid(low2highuid(arg1))); |
|
| 2641 |
break; |
|
| 2642 |
case TARGET_NR_setgid: |
|
| 2643 |
ret = get_errno(setgid(low2highgid(arg1))); |
|
| 2644 |
break; |
|
| 2645 |
case TARGET_NR_setfsuid: |
|
| 2646 |
ret = get_errno(setfsuid(arg1)); |
|
| 2647 |
break; |
|
| 2648 |
case TARGET_NR_setfsgid: |
|
| 2649 |
ret = get_errno(setfsgid(arg1)); |
|
| 2650 |
break; |
|
| 2651 |
#endif /* USE_UID16 */ |
|
| 2652 |
|
|
| 2597 | 2653 |
case TARGET_NR_lchown32: |
| 2598 | 2654 |
ret = get_errno(lchown((const char *)arg1, arg2, arg3)); |
| 2599 | 2655 |
break; |
| ... | ... | |
| 2665 | 2721 |
case TARGET_NR_setfsgid32: |
| 2666 | 2722 |
ret = get_errno(setfsgid(arg1)); |
| 2667 | 2723 |
break; |
| 2724 |
|
|
| 2668 | 2725 |
case TARGET_NR_pivot_root: |
| 2669 | 2726 |
goto unimplemented; |
| 2670 | 2727 |
case TARGET_NR_mincore: |
Also available in: Unified diff