int
sys_quotactl(struct tcb *tcp)
{
/*
* The Linux kernel only looks at the low 32 bits of command and id
* arguments, but on some 64-bit architectures (s390x) this word
* will have been sign-extended when we see it. The high 1 bits
* don't mean anything, so don't confuse the output with them.
*/
u_int32_t qcmd = tcp->u_arg[0];
u_int32_t cmd = QCMD_CMD(qcmd);
u_int32_t type = QCMD_TYPE(qcmd);
u_int32_t id = tcp->u_arg[2];
if (!verbose(tcp))
return printargs(tcp);
if (entering(tcp))
{
printxval(quotacmds, cmd, "Q_???");
tprintf("|");
printxval(quotatypes, type, "???QUOTA");
tprintf(", ");
printstr(tcp, tcp->u_arg[1], -1);
tprintf(", ");
switch (cmd)
{
case Q_V1_QUOTAON:
case Q_QUOTAON:
printxval(quota_formats, id, "QFMT_VFS_???");
break;
case Q_V1_GETQUOTA:
case Q_V2_GETQUOTA:
case Q_GETQUOTA:
case Q_V1_SETQUOTA:
case Q_V2_SETQUOTA:
case Q_V1_SETUSE:
case Q_V2_SETUSE:
case Q_SETQLIM:
case Q_SETQUOTA:
case Q_XGETQUOTA:
case Q_XSETQLIM:
tprintf("%u", id);
break;
default:
tprintf("%#lx", tcp->u_arg[2]);
break;
}
tprintf(", ");
} else
{
if (!tcp->u_arg[3])
tprintf("NULL");
else
decode_cmd_data(tcp, cmd, tcp->u_arg[3]);
}
return 0;
}
int
main(void)
{
char bogus_special_str[sizeof(void *) * 2 + sizeof("0x")];
char bogus_addr_str[sizeof(void *) * 2 + sizeof("0x")];
char unterminated_str[sizeof(void *) * 2 + sizeof("0x")];
long rc;
struct fs_disk_quota *xdq = tail_alloc(sizeof(*xdq));
struct fs_quota_stat *xqstat = tail_alloc(sizeof(*xqstat));
struct fs_quota_statv *xqstatv = tail_alloc(sizeof(*xqstatv));
uint32_t *flags = tail_alloc(sizeof(*flags));
char *unterminated = tail_memdup(unterminated_data,
sizeof(unterminated_data));
snprintf(bogus_special_str, sizeof(bogus_special_str), "%p",
bogus_special);
snprintf(bogus_addr_str, sizeof(bogus_addr_str), "%p",
bogus_addr);
snprintf(unterminated_str, sizeof(unterminated_str), "%p",
unterminated);
/* Q_XQUOTAON */
*flags = 0xdeadbeef;
check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
ARG_STR(QCMD(Q_XQUOTAON, USRQUOTA)),
ARG_STR("/dev/bogus/"), flags,
"[XFS_QUOTA_UDQ_ACCT|XFS_QUOTA_UDQ_ENFD"
"|XFS_QUOTA_GDQ_ACCT|XFS_QUOTA_GDQ_ENFD"
"|XFS_QUOTA_PDQ_ENFD|0xdeadbec0]");
rc = syscall(__NR_quotactl, QCMD(Q_XQUOTAON, 0xfacefeed), bogus_dev,
bogus_id, bogus_addr);
printf("quotactl(QCMD(Q_XQUOTAON, %#x /* ???QUOTA */)"
", %s, %p) = %s\n",
QCMD_TYPE(QCMD(Q_XQUOTAON, 0xfacefeed)),
bogus_dev_str, bogus_addr, sprintrc(rc));
/* Q_XQUOTAOFF */
check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
ARG_STR(QCMD(Q_XQUOTAOFF, USRQUOTA)),
bogus_special, bogus_special_str,
bogus_addr, bogus_addr_str);
check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
ARG_STR(QCMD(Q_XQUOTAOFF, GRPQUOTA)),
ARG_STR("/dev/bogus/"),
ARG_STR(NULL));
check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
QCMD(Q_XQUOTAOFF, 3),
"QCMD(Q_XQUOTAOFF, 0x3 /* ???QUOTA */)",
ARG_STR("/dev/bogus/"), flags,
"[XFS_QUOTA_UDQ_ACCT|XFS_QUOTA_UDQ_ENFD"
"|XFS_QUOTA_GDQ_ACCT|XFS_QUOTA_GDQ_ENFD"
"|XFS_QUOTA_PDQ_ENFD|0xdeadbec0]");
/* Q_XGETQUOTA */
/* Trying our best to get successful result */
check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_GETQUOTA, USRQUOTA)),
ARG_STR("/dev/sda1"), getuid(), xdq, print_xdisk_quota,
(intptr_t) 1);
check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_GETQUOTA, GRPQUOTA)),
ARG_STR(NULL), -1, xdq, print_xdisk_quota, (intptr_t) 2);
/* Q_XGETNEXTQUOTA */
check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_XGETNEXTQUOTA, USRQUOTA)),
ARG_STR("/dev/sda1"), 0, xdq, print_xdisk_quota,
(intptr_t) 1);
/* Q_XSETQLIM */
check_quota(CQF_NONE, ARG_STR(QCMD(Q_XSETQLIM, PRJQUOTA)),
bogus_special, bogus_special_str, 0, bogus_addr);
fill_memory_ex((char *) xdq, sizeof(*xdq), 0x8e);
check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_XSETQLIM, PRJQUOTA)),
bogus_dev, bogus_dev_str, 3141592653U,
xdq, print_xdisk_quota, (intptr_t) 0);
/* Q_XGETQSTAT */
check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
ARG_STR(QCMD(Q_XGETQSTAT, USRQUOTA)),
ARG_STR("/dev/sda1"), xqstat, print_xquota_stat, (intptr_t) 1);
check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
ARG_STR(QCMD(Q_XGETQSTATV, PRJQUOTA)),
unterminated, unterminated_str,
xqstat + 1, print_xquota_stat, (intptr_t) 2);
/* Q_XGETQSTATV */
check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
ARG_STR(QCMD(Q_XGETQSTAT, USRQUOTA)),
ARG_STR("/dev/sda1"), xqstatv, print_xquota_statv, 1);
check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
ARG_STR(QCMD(Q_XGETQSTATV, GRPQUOTA)),
ARG_STR(NULL), xqstatv, print_xquota_statv, (intptr_t) 2);
/* Q_XQUOTARM */
check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
ARG_STR(QCMD(Q_XQUOTARM, PRJQUOTA)),
bogus_special, bogus_special_str, ARG_STR(NULL));
check_quota(CQF_ID_SKIP,
ARG_STR(QCMD(Q_XQUOTARM, USRQUOTA)),
unterminated, unterminated_str, flags + 1);
*flags = 0xdeadbeef;
check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
ARG_STR(QCMD(Q_XQUOTARM, GRPQUOTA)),
ARG_STR(NULL), flags,
"[XFS_USER_QUOTA|XFS_PROJ_QUOTA"
"|XFS_GROUP_QUOTA|0xdeadbee8]");
/* Q_XQUOTASYNC */
check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
ARG_STR(QCMD(Q_XQUOTASYNC, USRQUOTA)),
bogus_special, bogus_special_str);
check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
QCMD(Q_XQUOTASYNC, 0xfff),
"QCMD(Q_XQUOTASYNC, 0xff /* ???QUOTA */)",
ARG_STR(NULL));
puts("+++ exited with 0 +++");
return 0;
}
