void
zap_leaf_byteswap(zap_leaf_phys_t *buf, int size)
{
int i;
zap_leaf_t l;
l.l_bs = highbit(size)-1;
l.l_phys = buf;
buf->l_hdr.lh_block_type = BSWAP_64(buf->l_hdr.lh_block_type);
buf->l_hdr.lh_prefix = BSWAP_64(buf->l_hdr.lh_prefix);
buf->l_hdr.lh_magic = BSWAP_32(buf->l_hdr.lh_magic);
buf->l_hdr.lh_nfree = BSWAP_16(buf->l_hdr.lh_nfree);
buf->l_hdr.lh_nentries = BSWAP_16(buf->l_hdr.lh_nentries);
buf->l_hdr.lh_prefix_len = BSWAP_16(buf->l_hdr.lh_prefix_len);
buf->l_hdr.lh_freelist = BSWAP_16(buf->l_hdr.lh_freelist);
for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++)
buf->l_hash[i] = BSWAP_16(buf->l_hash[i]);
for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) {
zap_leaf_chunk_t *lc = &ZAP_LEAF_CHUNK(&l, i);
struct zap_leaf_entry *le;
switch (lc->l_free.lf_type) {
case ZAP_CHUNK_ENTRY:
le = &lc->l_entry;
le->le_type = BSWAP_8(le->le_type);
le->le_value_intlen = BSWAP_8(le->le_value_intlen);
le->le_next = BSWAP_16(le->le_next);
le->le_name_chunk = BSWAP_16(le->le_name_chunk);
le->le_name_numints = BSWAP_16(le->le_name_numints);
le->le_value_chunk = BSWAP_16(le->le_value_chunk);
le->le_value_numints = BSWAP_16(le->le_value_numints);
le->le_cd = BSWAP_32(le->le_cd);
le->le_hash = BSWAP_64(le->le_hash);
break;
case ZAP_CHUNK_FREE:
lc->l_free.lf_type = BSWAP_8(lc->l_free.lf_type);
lc->l_free.lf_next = BSWAP_16(lc->l_free.lf_next);
break;
case ZAP_CHUNK_ARRAY:
lc->l_array.la_type = BSWAP_8(lc->l_array.la_type);
lc->l_array.la_next = BSWAP_16(lc->l_array.la_next);
/* la_array doesn't need swapping */
break;
default:
ASSERT(!"bad leaf type");
}
}
}
/*
* multi-session authcode generation for MD2
* H(password + session_id + msg + session_seq + password)
*
* Use OpenSSL implementation of MD2 algorithm if found.
* This function is analogous to ipmi_auth_md5
*/
uint8_t * ipmi_auth_md2(struct ipmi_session * s, uint8_t * data, int data_len)
{
#ifdef HAVE_CRYPTO_MD2
MD2_CTX ctx;
static uint8_t md[16];
uint32_t temp;
#if WORDS_BIGENDIAN
temp = BSWAP_32(s->in_seq);
#else
temp = s->in_seq;
#endif
memset(md, 0, 16);
memset(&ctx, 0, sizeof(MD2_CTX));
MD2_Init(&ctx);
MD2_Update(&ctx, (const uint8_t *)s->authcode, 16);
MD2_Update(&ctx, (const uint8_t *)&s->session_id, 4);
MD2_Update(&ctx, (const uint8_t *)data, data_len);
MD2_Update(&ctx, (const uint8_t *)&temp, sizeof(uint32_t));
MD2_Update(&ctx, (const uint8_t *)s->authcode, 16);
MD2_Final(md, &ctx);
//if (verbose > 3)
// printf(" MD2 AuthCode : %s\n", buf2str(md, 16));
return md;
#else /*HAVE_CRYPTO_MD2*/
static uint8_t md[16];
memset(md, 0, 16);
printf("WARNING: No internal support for MD2! "
"Please re-compile with OpenSSL.\n");
return md;
#endif /*HAVE_CRYPTO_MD2*/
}
/*
* multi-session authcode generation for MD5
* H(password + session_id + msg + session_seq + password)
*
* Use OpenSSL implementation of MD5 algorithm if found
*/
uint8_t * ipmi_auth_md5(struct ipmi_session * s, uint8_t * data, int data_len)
{
md5_state_t state;
static md5_byte_t digest[16];
uint32_t temp;
memset(digest, 0, 16);
memset(&state, 0, sizeof(md5_state_t));
md5_init(&state);
md5_append(&state, (const md5_byte_t *)s->authcode, 16);
md5_append(&state, (const md5_byte_t *)&s->session_id, 4);
md5_append(&state, (const md5_byte_t *)data, data_len);
if(!isLittleEndian())
temp = BSWAP_32(s->in_seq);
else
temp = s->in_seq;
md5_append(&state, (const md5_byte_t *)&temp, 4);
md5_append(&state, (const md5_byte_t *)s->authcode, 16);
md5_finish(&state, digest);
if (verbose > 3)
printf(" MD5 AuthCode : %s\n", buf2str(digest, 16));
return digest;
}
static int
decode (const void *ptr)
{
#if defined(sun) && defined(__SVR4)
if (sizeof (int) == 4)
#ifdef _BIG_ENDIAN
return *(const int *) ptr;
#else
return BSWAP_32 (*(const int *) ptr);
#endif
#else
if ((BYTE_ORDER == BIG_ENDIAN) && sizeof (int) == 4)
return *(const int *) ptr;
else if (BYTE_ORDER == LITTLE_ENDIAN && sizeof (int) == 4)
return bswap_32 (*(const int *) ptr);
#endif
else
{
const unsigned char *p = ptr;
int result = *p & (1 << (CHAR_BIT - 1)) ? ~0 : 0;
result = (result << 8) | *p++;
result = (result << 8) | *p++;
result = (result << 8) | *p++;
result = (result << 8) | *p++;
return result;
}
}
void union_test() {
union {
uint64_t ull;
uint8_t c[8];
double d;
} x = { .ull = 0x123456789abcdef0 };
printf("%02X %02X %02X %02X %02X %02X %02X %02X\n",
x.c[0], x.c[1], x.c[2], x.c[3],
x.c[4], x.c[5], x.c[6], x.c[7]);
printf("%llu\n", x.ull);
x.d = 1.2344999991522893623141499119810760021209716796875;
printf("%02X %02X %02X %02X %02X %02X %02X %02X\n",
x.c[0], x.c[1], x.c[2], x.c[3],
x.c[4], x.c[5], x.c[6], x.c[7]);
printf("%e\n", x.d);
x.ull = 0x3FF3C08312345678;
printf("%02X %02X %02X %02X %02X %02X %02X %02X\n",
x.c[0], x.c[1], x.c[2], x.c[3],
x.c[4], x.c[5], x.c[6], x.c[7]);
}
static void test_b32() {
unsigned char * c;
uint32_t x = 0x12345678;
c = (unsigned char *)&x;
printf("%02X %02X %02X %02X\n", c[0], c[1], c[2], c[3]);
uint32_t y = BSWAP_32(x);
c = (unsigned char *)&y;
printf("%02X %02X %02X %02X\n", c[0], c[1], c[2], c[3]);
}
static int
sa_build_index(sa_handle_t *hdl, sa_buf_type_t buftype)
{
sa_hdr_phys_t *sa_hdr_phys;
dmu_buf_impl_t *db = SA_GET_DB(hdl, buftype);
dmu_object_type_t bonustype = SA_BONUSTYPE_FROM_DB(db);
sa_os_t *sa = hdl->sa_os->os_sa;
sa_idx_tab_t *idx_tab;
sa_hdr_phys = SA_GET_HDR(hdl, buftype);
mutex_enter(&sa->sa_lock);
/* Do we need to byteswap? */
/* only check if not old znode */
if (IS_SA_BONUSTYPE(bonustype) && sa_hdr_phys->sa_magic != SA_MAGIC &&
sa_hdr_phys->sa_magic != 0) {
VERIFY(BSWAP_32(sa_hdr_phys->sa_magic) == SA_MAGIC);
sa_byteswap(hdl, buftype);
}
idx_tab = sa_find_idx_tab(hdl->sa_os, bonustype, sa_hdr_phys);
if (buftype == SA_BONUS)
hdl->sa_bonus_tab = idx_tab;
else
hdl->sa_spill_tab = idx_tab;
mutex_exit(&sa->sa_lock);
return (0);
}
static void
ipmi_pef_get_status(struct ipmi_intf * intf)
{ /*
// report the PEF status
*/
struct ipmi_rs * rsp;
struct ipmi_rq req;
struct pef_cfgparm_selector psel;
char tbuf[40];
uint32_t timei;
time_t ts;
memset(&req, 0, sizeof(req));
req.msg.netfn = IPMI_NETFN_SE;
req.msg.cmd = IPMI_CMD_GET_LAST_PROCESSED_EVT_ID;
rsp = ipmi_pef_msg_exchange(intf, &req, "Last S/W processed ID");
if (!rsp) {
lprintf(LOG_ERR, " **Error retrieving %s",
"Last S/W processed ID");
return;
}
memcpy(&timei, rsp->data, sizeof(timei));
#if WORDS_BIGENDIAN
timei = BSWAP_32(timei);
#endif
ts = (time_t)timei;
strftime(tbuf, sizeof(tbuf), "%m/%d/%Y %H:%M:%S", gmtime(&ts));
ipmi_pef_print_str("Last SEL addition", tbuf);
ipmi_pef_print_2xd("Last SEL record ID", rsp->data[5], rsp->data[4]);
ipmi_pef_print_2xd("Last S/W processed ID", rsp->data[7], rsp->data[6]);
ipmi_pef_print_2xd("Last BMC processed ID", rsp->data[9], rsp->data[8]);
memset(&psel, 0, sizeof(psel));
psel.id = PEF_CFGPARM_ID_PEF_CONTROL;
memset(&req, 0, sizeof(req));
req.msg.netfn = IPMI_NETFN_SE;
req.msg.cmd = IPMI_CMD_GET_PEF_CONFIG_PARMS;
req.msg.data = (uint8_t *)&psel;
req.msg.data_len = sizeof(psel);
rsp = ipmi_pef_msg_exchange(intf, &req, "PEF control");
if (!rsp) {
lprintf(LOG_ERR, " **Error retrieving %s",
"PEF control");
return;
}
ipmi_pef_print_flags(&pef_b2s_control, P_ABLE, rsp->data[1]);
psel.id = PEF_CFGPARM_ID_PEF_ACTION;
rsp = ipmi_pef_msg_exchange(intf, &req, "PEF action");
if (!rsp) {
lprintf(LOG_ERR, " **Error retrieving %s",
"PEF action");
return;
}
ipmi_pef_print_flags(&pef_b2s_actions, P_ACTV, rsp->data[1]);
}
void
zfs_znode_byteswap(void *buf, size_t size)
{
znode_phys_t *zp = buf;
ASSERT(size >= sizeof (znode_phys_t));
zp->zp_crtime[0] = BSWAP_64(zp->zp_crtime[0]);
zp->zp_crtime[1] = BSWAP_64(zp->zp_crtime[1]);
zp->zp_atime[0] = BSWAP_64(zp->zp_atime[0]);
zp->zp_atime[1] = BSWAP_64(zp->zp_atime[1]);
zp->zp_mtime[0] = BSWAP_64(zp->zp_mtime[0]);
zp->zp_mtime[1] = BSWAP_64(zp->zp_mtime[1]);
zp->zp_ctime[0] = BSWAP_64(zp->zp_ctime[0]);
zp->zp_ctime[1] = BSWAP_64(zp->zp_ctime[1]);
zp->zp_gen = BSWAP_64(zp->zp_gen);
zp->zp_mode = BSWAP_64(zp->zp_mode);
zp->zp_size = BSWAP_64(zp->zp_size);
zp->zp_parent = BSWAP_64(zp->zp_parent);
zp->zp_links = BSWAP_64(zp->zp_links);
zp->zp_xattr = BSWAP_64(zp->zp_xattr);
zp->zp_rdev = BSWAP_64(zp->zp_rdev);
zp->zp_flags = BSWAP_64(zp->zp_flags);
zp->zp_uid = BSWAP_64(zp->zp_uid);
zp->zp_gid = BSWAP_64(zp->zp_gid);
zp->zp_zap = BSWAP_64(zp->zp_zap);
zp->zp_s2size = BSWAP_64(zp->zp_s2size);
zp->zp_s2ptruncgen = BSWAP_32(zp->zp_s2ptruncgen);
zp->zp_s2gen = BSWAP_32(zp->zp_s2gen);
zp->zp_s2fid = BSWAP_64(zp->zp_s2fid);
zp->zp_acl.z_acl_extern_obj = BSWAP_64(zp->zp_acl.z_acl_extern_obj);
zp->zp_acl.z_acl_size = BSWAP_32(zp->zp_acl.z_acl_size);
zp->zp_acl.z_acl_version = BSWAP_16(zp->zp_acl.z_acl_version);
zp->zp_acl.z_acl_count = BSWAP_16(zp->zp_acl.z_acl_count);
if (zp->zp_acl.z_acl_version == ZFS_ACL_VERSION) {
zfs_acl_byteswap((void *)&zp->zp_acl.z_ace_data[0],
ZFS_ACE_SPACE);
} else {
zfs_oldace_byteswap((ace_t *)&zp->zp_acl.z_ace_data[0],
ACE_SLOT_CNT);
}
}
static void
mzap_byteswap(mzap_phys_t *buf, size_t size)
{
int i, maximum;
buf->mz_block_type = BSWAP_64(buf->mz_block_type);
buf->mz_salt = BSWAP_64(buf->mz_salt);
maximum = (size / MZAP_ENT_LEN) - 1;
for (i = 0; i < maximum; i++) {
buf->mz_chunk[i].mze_value =
BSWAP_64(buf->mz_chunk[i].mze_value);
buf->mz_chunk[i].mze_cd =
BSWAP_32(buf->mz_chunk[i].mze_cd);
}
}
static int decode(const void *ptr)
{
#if defined(sun) && defined(__SVR4)
if (sizeof(int) == 4) {
#if defined(_BIG_ENDIAN)
return *(const int *)ptr;
#else
return BSWAP_32(*(const int *)ptr);
#endif
#else
if ((BYTE_ORDER == BIG_ENDIAN) && sizeof(int) == 4) {
return *(const int *)ptr;
} else if (BYTE_ORDER == LITTLE_ENDIAN && sizeof(int) == 4) {
return (int)bswap_32(*(const unsigned int *)ptr);
#endif
} else {
const unsigned char *p = ptr;
int result = *p & (1 << (CHAR_BIT - 1)) ? ~0 : 0;
/* cppcheck-suppress shiftNegative */
result = (result << 8) | *p++;
result = (result << 8) | *p++;
result = (result << 8) | *p++;
result = (result << 8) | *p++;
return result;
}
}
static char *zname_from_stridx(char *str, size_t idx)
{
size_t i;
size_t size;
char *ret;
i = idx;
while (str[i] != '\0') {
i++;
}
size = i - idx;
str += idx;
ret = (char *)malloc(size + 1);
ret = strncpy(ret, str, size);
ret[size] = '\0';
return ret;
}
void
fletcher_4_byteswap(const void *buf, uint64_t size, zio_cksum_t *zcp)
{
const uint32_t *ip = buf;
const uint32_t *ipend = ip + (size / sizeof (uint32_t));
uint64_t a, b, c, d;
for (a = b = c = d = 0; ip < ipend; ip++) {
a += BSWAP_32(ip[0]);
b += a;
c += b;
d += c;
}
ZIO_SET_CHECKSUM(zcp, a, b, c, d);
}
static void
fletcher_4_scalar_byteswap(const void *buf, uint64_t size, zio_cksum_t *zcp)
{
const uint32_t *ip = buf;
const uint32_t *ipend = ip + (size / sizeof (uint32_t));
uint64_t a, b, c, d;
a = zcp->zc_word[0];
b = zcp->zc_word[1];
c = zcp->zc_word[2];
d = zcp->zc_word[3];
for (; ip < ipend; ip++) {
a += BSWAP_32(ip[0]);
b += a;
c += b;
d += c;
}
ZIO_SET_CHECKSUM(zcp, a, b, c, d);
}
void
sa_byteswap(sa_handle_t *hdl, sa_buf_type_t buftype)
{
sa_hdr_phys_t *sa_hdr_phys = SA_GET_HDR(hdl, buftype);
dmu_buf_impl_t *db;
sa_os_t *sa = hdl->sa_os->os_sa;
int num_lengths = 1;
int i;
ASSERT(MUTEX_HELD(&sa->sa_lock));
if (sa_hdr_phys->sa_magic == SA_MAGIC)
return;
db = SA_GET_DB(hdl, buftype);
if (buftype == SA_SPILL) {
arc_release(db->db_buf, NULL);
arc_buf_thaw(db->db_buf);
}
sa_hdr_phys->sa_magic = BSWAP_32(sa_hdr_phys->sa_magic);
sa_hdr_phys->sa_layout_info = BSWAP_16(sa_hdr_phys->sa_layout_info);
/*
* Determine number of variable lenghts in header
* The standard 8 byte header has one for free and a
* 16 byte header would have 4 + 1;
*/
if (SA_HDR_SIZE(sa_hdr_phys) > 8)
num_lengths += (SA_HDR_SIZE(sa_hdr_phys) - 8) >> 1;
for (i = 0; i != num_lengths; i++)
sa_hdr_phys->sa_lengths[i] =
BSWAP_16(sa_hdr_phys->sa_lengths[i]);
sa_attr_iter(hdl->sa_os, sa_hdr_phys, DMU_OT_SA,
sa_byteswap_cb, NULL, hdl);
if (buftype == SA_SPILL)
arc_buf_freeze(((dmu_buf_impl_t *)hdl->sa_spill)->db_buf);
}
static void
fletcher_4_scalar_byteswap(fletcher_4_ctx_t *ctx, const void *buf,
uint64_t size)
{
const uint32_t *ip = buf;
const uint32_t *ipend = ip + (size / sizeof (uint32_t));
uint64_t a, b, c, d;
a = ctx->scalar.zc_word[0];
b = ctx->scalar.zc_word[1];
c = ctx->scalar.zc_word[2];
d = ctx->scalar.zc_word[3];
for (; ip < ipend; ip++) {
a += BSWAP_32(ip[0]);
b += a;
c += b;
d += c;
}
ZIO_SET_CHECKSUM(&ctx->scalar, a, b, c, d);
}
static void
fletcher_4_superscalar4_byteswap(fletcher_4_ctx_t *ctx,
const void *buf, uint64_t size)
{
const uint32_t *ip = buf;
const uint32_t *ipend = ip + (size / sizeof (uint32_t));
uint64_t a, b, c, d;
uint64_t a2, b2, c2, d2;
uint64_t a3, b3, c3, d3;
uint64_t a4, b4, c4, d4;
a = ctx->superscalar[0].v[0];
b = ctx->superscalar[1].v[0];
c = ctx->superscalar[2].v[0];
d = ctx->superscalar[3].v[0];
a2 = ctx->superscalar[0].v[1];
b2 = ctx->superscalar[1].v[1];
c2 = ctx->superscalar[2].v[1];
d2 = ctx->superscalar[3].v[1];
a3 = ctx->superscalar[0].v[2];
b3 = ctx->superscalar[1].v[2];
c3 = ctx->superscalar[2].v[2];
d3 = ctx->superscalar[3].v[2];
a4 = ctx->superscalar[0].v[3];
b4 = ctx->superscalar[1].v[3];
c4 = ctx->superscalar[2].v[3];
d4 = ctx->superscalar[3].v[3];
for (; ip < ipend; ip += 4) {
a += BSWAP_32(ip[0]);
a2 += BSWAP_32(ip[1]);
a3 += BSWAP_32(ip[2]);
a4 += BSWAP_32(ip[3]);
b += a;
b2 += a2;
b3 += a3;
b4 += a4;
c += b;
c2 += b2;
c3 += b3;
c4 += b4;
d += c;
d2 += c2;
d3 += c3;
d4 += c4;
}
ctx->superscalar[0].v[0] = a;
ctx->superscalar[1].v[0] = b;
ctx->superscalar[2].v[0] = c;
ctx->superscalar[3].v[0] = d;
ctx->superscalar[0].v[1] = a2;
ctx->superscalar[1].v[1] = b2;
ctx->superscalar[2].v[1] = c2;
ctx->superscalar[3].v[1] = d2;
ctx->superscalar[0].v[2] = a3;
ctx->superscalar[1].v[2] = b3;
ctx->superscalar[2].v[2] = c3;
ctx->superscalar[3].v[2] = d3;
ctx->superscalar[0].v[3] = a4;
ctx->superscalar[1].v[3] = b4;
ctx->superscalar[2].v[3] = c4;
ctx->superscalar[3].v[3] = d4;
}
/*
* swap ace_t and ace_oject_t
*/
void
zfs_ace_byteswap(void *buf, size_t size, boolean_t zfs_layout)
{
caddr_t end;
caddr_t ptr;
zfs_ace_t *zacep;
ace_t *acep;
uint16_t entry_type;
size_t entry_size;
int ace_type;
end = (caddr_t)buf + size;
ptr = buf;
while (ptr < end) {
if (zfs_layout) {
/*
* Avoid overrun. Embedded aces can have one
* of several sizes. We don't know exactly
* how many our present, only the size of the
* buffer containing them. That size may be
* larger than needed to hold the aces
* present. As long as we do not do any
* swapping beyond the end of our block we are
* okay. It it safe to swap any non-ace data
* within the block since it is just zeros.
*/
if (ptr + sizeof (zfs_ace_hdr_t) > end) {
break;
}
zacep = (zfs_ace_t *)ptr;
zacep->z_hdr.z_access_mask =
BSWAP_32(zacep->z_hdr.z_access_mask);
zacep->z_hdr.z_flags = BSWAP_16(zacep->z_hdr.z_flags);
ace_type = zacep->z_hdr.z_type =
BSWAP_16(zacep->z_hdr.z_type);
entry_type = zacep->z_hdr.z_flags & ACE_TYPE_FLAGS;
} else {
/* Overrun avoidance */
if (ptr + sizeof (ace_t) > end) {
break;
}
acep = (ace_t *)ptr;
acep->a_access_mask = BSWAP_32(acep->a_access_mask);
acep->a_flags = BSWAP_16(acep->a_flags);
ace_type = acep->a_type = BSWAP_16(acep->a_type);
acep->a_who = BSWAP_32(acep->a_who);
entry_type = acep->a_flags & ACE_TYPE_FLAGS;
}
switch (entry_type) {
case ACE_OWNER:
case ACE_EVERYONE:
case (ACE_IDENTIFIER_GROUP | ACE_GROUP):
entry_size = zfs_layout ?
sizeof (zfs_ace_hdr_t) : sizeof (ace_t);
break;
case ACE_IDENTIFIER_GROUP:
default:
/* Overrun avoidance */
if (zfs_layout) {
if (ptr + sizeof (zfs_ace_t) <= end) {
zacep->z_fuid = BSWAP_64(zacep->z_fuid);
} else {
entry_size = sizeof (zfs_ace_t);
break;
}
}
switch (ace_type) {
case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE:
case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE:
case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE:
case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE:
entry_size = zfs_layout ?
sizeof (zfs_object_ace_t) :
sizeof (ace_object_t);
break;
default:
entry_size = zfs_layout ? sizeof (zfs_ace_t) :
sizeof (ace_t);
break;
}
}
ptr = ptr + entry_size;
}
}
int
uconv_u16tou32(const uint16_t *u16s, size_t *utf16len,
uint32_t *u32s, size_t *utf32len, int flag)
{
int inendian;
int outendian;
size_t u16l;
size_t u32l;
uint32_t hi;
uint32_t lo;
boolean_t do_not_ignore_null;
/*
* Do preliminary validity checks on parameters and collect info on
* endians.
*/
if (u16s == NULL || utf16len == NULL)
return (EILSEQ);
if (u32s == NULL || utf32len == NULL)
return (E2BIG);
if (check_endian(flag, &inendian, &outendian) != 0)
return (EBADF);
/*
* Initialize input and output parameter buffer indices and
* temporary variables.
*/
u16l = u32l = 0;
hi = 0;
do_not_ignore_null = ((flag & UCONV_IGNORE_NULL) == 0);
/*
* Check on the BOM at the beginning of the input buffer if required
* and if there is indeed one, process it.
*/
if ((flag & UCONV_IN_ACCEPT_BOM) &&
check_bom16(u16s, *utf16len, &inendian))
u16l++;
/*
* Reset inendian and outendian so that after this point, those can be
* used as condition values.
*/
inendian &= UCONV_IN_NAT_ENDIAN;
outendian &= UCONV_OUT_NAT_ENDIAN;
/*
* If there is something in the input buffer and if necessary and
* requested, save the BOM at the output buffer.
*/
if (*utf16len > 0 && *utf32len > 0 && (flag & UCONV_OUT_EMIT_BOM))
u32s[u32l++] = (outendian) ? UCONV_BOM_NORMAL :
UCONV_BOM_SWAPPED_32;
/*
* Do conversion; if encounter a surrogate pair, assemble high and
* low pair values to form a UTF-32 character. If a half of a pair
* exists alone, then, either it is an illegal (EILSEQ) or
* invalid (EINVAL) value.
*/
for (; u16l < *utf16len; u16l++) {
if (u16s[u16l] == 0 && do_not_ignore_null)
break;
lo = (uint32_t)((inendian) ? u16s[u16l] : BSWAP_16(u16s[u16l]));
if (lo >= UCONV_U16_HI_MIN && lo <= UCONV_U16_HI_MAX) {
if (hi)
return (EILSEQ);
hi = lo;
continue;
} else if (lo >= UCONV_U16_LO_MIN && lo <= UCONV_U16_LO_MAX) {
if (! hi)
return (EILSEQ);
lo = (((hi - UCONV_U16_HI_MIN) * UCONV_U16_BIT_SHIFT +
lo - UCONV_U16_LO_MIN) & UCONV_U16_BIT_MASK)
+ UCONV_U16_START;
hi = 0;
} else if (hi) {
return (EILSEQ);
}
if (u32l >= *utf32len)
return (E2BIG);
u32s[u32l++] = (outendian) ? lo : BSWAP_32(lo);
}
/*
* If high half didn't see low half, then, it's most likely the input
* parameter is incomplete.
*/
if (hi)
return (EINVAL);
/*
* Save the number of consumed and saved characters. They do not
* include terminating NULL character (U+0000) at the end of
* the input buffer (even when UCONV_IGNORE_NULL isn't specified and
* the input buffer length is big enough to include the terminating
* NULL character).
*/
*utf16len = u16l;
*utf32len = u32l;
return (0);
}
static int
zfs_space_delta_cb(dmu_object_type_t bonustype, void *data,
uint64_t *userp, uint64_t *groupp)
{
/*
* Is it a valid type of object to track?
*/
if (bonustype != DMU_OT_ZNODE && bonustype != DMU_OT_SA)
return (SET_ERROR(ENOENT));
/*
* If we have a NULL data pointer
* then assume the id's aren't changing and
* return EEXIST to the dmu to let it know to
* use the same ids
*/
if (data == NULL)
return (SET_ERROR(EEXIST));
if (bonustype == DMU_OT_ZNODE) {
znode_phys_t *znp = data;
*userp = znp->zp_uid;
*groupp = znp->zp_gid;
} else {
int hdrsize;
sa_hdr_phys_t *sap = data;
sa_hdr_phys_t sa = *sap;
boolean_t swap = B_FALSE;
ASSERT(bonustype == DMU_OT_SA);
if (sa.sa_magic == 0) {
/*
* This should only happen for newly created
* files that haven't had the znode data filled
* in yet.
*/
*userp = 0;
*groupp = 0;
return (0);
}
if (sa.sa_magic == BSWAP_32(SA_MAGIC)) {
sa.sa_magic = SA_MAGIC;
sa.sa_layout_info = BSWAP_16(sa.sa_layout_info);
swap = B_TRUE;
} else {
VERIFY3U(sa.sa_magic, ==, SA_MAGIC);
}
hdrsize = sa_hdrsize(&sa);
VERIFY3U(hdrsize, >=, sizeof (sa_hdr_phys_t));
*userp = *((uint64_t *)((uintptr_t)data + hdrsize +
SA_UID_OFFSET));
*groupp = *((uint64_t *)((uintptr_t)data + hdrsize +
SA_GID_OFFSET));
if (swap) {
*userp = BSWAP_64(*userp);
*groupp = BSWAP_64(*groupp);
}
}
return (0);
}
/*
* swap ace_t and ace_oject_t
*/
void
zfs_ace_byteswap(void *buf, size_t size, boolean_t zfs_layout)
{
#ifdef TODO
caddr_t end;
caddr_t ptr;
zfs_ace_t *zacep;
ace_t *acep;
uint16_t entry_type;
size_t entry_size;
int ace_type;
end = (caddr_t)buf + size;
ptr = buf;
while (ptr < end) {
if (zfs_layout) {
zacep = (zfs_ace_t *)ptr;
zacep->z_hdr.z_access_mask =
BSWAP_32(zacep->z_hdr.z_access_mask);
zacep->z_hdr.z_flags = BSWAP_16(zacep->z_hdr.z_flags);
ace_type = zacep->z_hdr.z_type =
BSWAP_16(zacep->z_hdr.z_type);
entry_type = zacep->z_hdr.z_flags & ACE_TYPE_FLAGS;
} else {
acep = (ace_t *)ptr;
acep->a_access_mask = BSWAP_32(acep->a_access_mask);
acep->a_flags = BSWAP_16(acep->a_flags);
ace_type = acep->a_type = BSWAP_16(acep->a_type);
acep->a_who = BSWAP_32(acep->a_who);
entry_type = acep->a_flags & ACE_TYPE_FLAGS;
}
switch (entry_type) {
case ACE_OWNER:
case ACE_EVERYONE:
case (ACE_IDENTIFIER_GROUP | ACE_GROUP):
entry_size = zfs_layout ?
sizeof (zfs_ace_hdr_t) : sizeof (ace_t);
break;
case ACE_IDENTIFIER_GROUP:
default:
if (zfs_layout) {
zacep->z_fuid = BSWAP_64(zacep->z_fuid);
}
switch (ace_type) {
case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE:
case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE:
case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE:
case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE:
entry_size = zfs_layout ?
sizeof (zfs_object_ace_t) :
sizeof (ace_object_t);
break;
default:
entry_size = zfs_layout ? sizeof (zfs_ace_t) :
sizeof (ace_t);
break;
}
}
ptr = ptr + entry_size;
}
#else /* TODO */
panic("%s:%u: TODO", __func__, __LINE__);
#endif /* TODO */
}
int
main(int argc, char *argv[])
{
char *buf = malloc(INITIAL_BUFLEN);
dmu_replay_record_t thedrr;
dmu_replay_record_t *drr = &thedrr;
struct drr_begin *drrb = &thedrr.drr_u.drr_begin;
struct drr_end *drre = &thedrr.drr_u.drr_end;
struct drr_object *drro = &thedrr.drr_u.drr_object;
struct drr_freeobjects *drrfo = &thedrr.drr_u.drr_freeobjects;
struct drr_write *drrw = &thedrr.drr_u.drr_write;
struct drr_write_byref *drrwbr = &thedrr.drr_u.drr_write_byref;
struct drr_free *drrf = &thedrr.drr_u.drr_free;
struct drr_spill *drrs = &thedrr.drr_u.drr_spill;
char c;
boolean_t verbose = B_FALSE;
boolean_t first = B_TRUE;
int err;
zio_cksum_t zc = { 0 };
zio_cksum_t pcksum = { 0 };
while ((c = getopt(argc, argv, ":vC")) != -1) {
switch (c) {
case 'C':
do_cksum = B_FALSE;
break;
case 'v':
verbose = B_TRUE;
break;
case ':':
(void) fprintf(stderr,
"missing argument for '%c' option\n", optopt);
usage();
break;
case '?':
(void) fprintf(stderr, "invalid option '%c'\n",
optopt);
usage();
}
}
if (isatty(STDIN_FILENO)) {
(void) fprintf(stderr,
"Error: Backup stream can not be read "
"from a terminal.\n"
"You must redirect standard input.\n");
exit(1);
}
send_stream = stdin;
pcksum = zc;
while (ssread(drr, sizeof (dmu_replay_record_t), &zc)) {
if (first) {
if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
do_byteswap = B_TRUE;
if (do_cksum) {
ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
/*
* recalculate header checksum now
* that we know it needs to be
* byteswapped.
*/
fletcher_4_incremental_byteswap(drr,
sizeof (dmu_replay_record_t), &zc);
}
} else if (drrb->drr_magic != DMU_BACKUP_MAGIC) {
(void) fprintf(stderr, "Invalid stream "
"(bad magic number)\n");
exit(1);
}
first = B_FALSE;
}
if (do_byteswap) {
drr->drr_type = BSWAP_32(drr->drr_type);
drr->drr_payloadlen =
BSWAP_32(drr->drr_payloadlen);
}
/*
* At this point, the leading fields of the replay record
* (drr_type and drr_payloadlen) have been byte-swapped if
* necessary, but the rest of the data structure (the
* union of type-specific structures) is still in its
* original state.
*/
if (drr->drr_type >= DRR_NUMTYPES) {
(void) printf("INVALID record found: type 0x%x\n",
drr->drr_type);
(void) printf("Aborting.\n");
exit(1);
}
drr_record_count[drr->drr_type]++;
switch (drr->drr_type) {
case DRR_BEGIN:
if (do_byteswap) {
drrb->drr_magic = BSWAP_64(drrb->drr_magic);
drrb->drr_versioninfo =
BSWAP_64(drrb->drr_versioninfo);
drrb->drr_creation_time =
BSWAP_64(drrb->drr_creation_time);
drrb->drr_type = BSWAP_32(drrb->drr_type);
drrb->drr_flags = BSWAP_32(drrb->drr_flags);
drrb->drr_toguid = BSWAP_64(drrb->drr_toguid);
drrb->drr_fromguid =
BSWAP_64(drrb->drr_fromguid);
}
(void) printf("BEGIN record\n");
(void) printf("\thdrtype = %lld\n",
DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo));
(void) printf("\tfeatures = %llx\n",
DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo));
(void) printf("\tmagic = %llx\n",
(u_longlong_t)drrb->drr_magic);
(void) printf("\tcreation_time = %llx\n",
(u_longlong_t)drrb->drr_creation_time);
(void) printf("\ttype = %u\n", drrb->drr_type);
(void) printf("\tflags = 0x%x\n", drrb->drr_flags);
(void) printf("\ttoguid = %llx\n",
(u_longlong_t)drrb->drr_toguid);
(void) printf("\tfromguid = %llx\n",
(u_longlong_t)drrb->drr_fromguid);
(void) printf("\ttoname = %s\n", drrb->drr_toname);
if (verbose)
(void) printf("\n");
if ((DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo) ==
DMU_COMPOUNDSTREAM) && drr->drr_payloadlen != 0) {
nvlist_t *nv;
int sz = drr->drr_payloadlen;
if (sz > 1<<20) {
free(buf);
buf = malloc(sz);
}
(void) ssread(buf, sz, &zc);
if (ferror(send_stream))
perror("fread");
err = nvlist_unpack(buf, sz, &nv, 0);
if (err)
perror(strerror(err));
nvlist_print(stdout, nv);
nvlist_free(nv);
}
break;
case DRR_END:
if (do_byteswap) {
drre->drr_checksum.zc_word[0] =
BSWAP_64(drre->drr_checksum.zc_word[0]);
drre->drr_checksum.zc_word[1] =
BSWAP_64(drre->drr_checksum.zc_word[1]);
drre->drr_checksum.zc_word[2] =
BSWAP_64(drre->drr_checksum.zc_word[2]);
drre->drr_checksum.zc_word[3] =
BSWAP_64(drre->drr_checksum.zc_word[3]);
}
/*
* We compare against the *previous* checksum
* value, because the stored checksum is of
* everything before the DRR_END record.
*/
if (do_cksum && !ZIO_CHECKSUM_EQUAL(drre->drr_checksum,
pcksum)) {
(void) printf("Expected checksum differs from "
"checksum in stream.\n");
(void) printf("Expected checksum = %"
FX64 "/%" FX64 "/%" FX64 "/%" FX64 "\n",
pcksum.zc_word[0],
pcksum.zc_word[1],
pcksum.zc_word[2],
pcksum.zc_word[3]);
}
(void) printf("END checksum = %" FX64 "/%" FX64 "/%" FX64 "/%" FX64 "\n",
drre->drr_checksum.zc_word[0],
drre->drr_checksum.zc_word[1],
drre->drr_checksum.zc_word[2],
drre->drr_checksum.zc_word[3]);
ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
break;
case DRR_OBJECT:
if (do_byteswap) {
drro->drr_object = BSWAP_64(drro->drr_object);
drro->drr_type = BSWAP_32(drro->drr_type);
drro->drr_bonustype =
BSWAP_32(drro->drr_bonustype);
drro->drr_blksz = BSWAP_32(drro->drr_blksz);
drro->drr_bonuslen =
BSWAP_32(drro->drr_bonuslen);
drro->drr_toguid = BSWAP_64(drro->drr_toguid);
}
if (verbose) {
(void) printf("OBJECT object = %llu type = %u "
"bonustype = %u blksz = %u bonuslen = %u\n",
(u_longlong_t)drro->drr_object,
drro->drr_type,
drro->drr_bonustype,
drro->drr_blksz,
drro->drr_bonuslen);
}
if (drro->drr_bonuslen > 0) {
(void) ssread(buf, P2ROUNDUP(drro->drr_bonuslen,
8), &zc);
}
break;
case DRR_FREEOBJECTS:
if (do_byteswap) {
drrfo->drr_firstobj =
BSWAP_64(drrfo->drr_firstobj);
drrfo->drr_numobjs =
BSWAP_64(drrfo->drr_numobjs);
drrfo->drr_toguid = BSWAP_64(drrfo->drr_toguid);
}
if (verbose) {
(void) printf("FREEOBJECTS firstobj = %llu "
"numobjs = %llu\n",
(u_longlong_t)drrfo->drr_firstobj,
(u_longlong_t)drrfo->drr_numobjs);
}
break;
case DRR_WRITE:
if (do_byteswap) {
drrw->drr_object = BSWAP_64(drrw->drr_object);
drrw->drr_type = BSWAP_32(drrw->drr_type);
drrw->drr_offset = BSWAP_64(drrw->drr_offset);
drrw->drr_length = BSWAP_64(drrw->drr_length);
drrw->drr_toguid = BSWAP_64(drrw->drr_toguid);
drrw->drr_key.ddk_prop =
BSWAP_64(drrw->drr_key.ddk_prop);
}
if (verbose) {
(void) printf("WRITE object = %llu type = %u "
"checksum type = %u\n"
"offset = %llu length = %llu "
"props = %llx\n",
(u_longlong_t)drrw->drr_object,
drrw->drr_type,
drrw->drr_checksumtype,
(u_longlong_t)drrw->drr_offset,
(u_longlong_t)drrw->drr_length,
(u_longlong_t)drrw->drr_key.ddk_prop);
}
(void) ssread(buf, drrw->drr_length, &zc);
total_write_size += drrw->drr_length;
break;
case DRR_WRITE_BYREF:
if (do_byteswap) {
drrwbr->drr_object =
BSWAP_64(drrwbr->drr_object);
drrwbr->drr_offset =
BSWAP_64(drrwbr->drr_offset);
drrwbr->drr_length =
BSWAP_64(drrwbr->drr_length);
drrwbr->drr_toguid =
BSWAP_64(drrwbr->drr_toguid);
drrwbr->drr_refguid =
BSWAP_64(drrwbr->drr_refguid);
drrwbr->drr_refobject =
BSWAP_64(drrwbr->drr_refobject);
drrwbr->drr_refoffset =
BSWAP_64(drrwbr->drr_refoffset);
drrwbr->drr_key.ddk_prop =
BSWAP_64(drrwbr->drr_key.ddk_prop);
}
if (verbose) {
(void) printf("WRITE_BYREF object = %llu "
"checksum type = %u props = %llx\n"
"offset = %llu length = %llu\n"
"toguid = %llx refguid = %llx\n"
"refobject = %llu refoffset = %llu\n",
(u_longlong_t)drrwbr->drr_object,
drrwbr->drr_checksumtype,
(u_longlong_t)drrwbr->drr_key.ddk_prop,
(u_longlong_t)drrwbr->drr_offset,
(u_longlong_t)drrwbr->drr_length,
(u_longlong_t)drrwbr->drr_toguid,
(u_longlong_t)drrwbr->drr_refguid,
(u_longlong_t)drrwbr->drr_refobject,
(u_longlong_t)drrwbr->drr_refoffset);
}
break;
case DRR_FREE:
if (do_byteswap) {
drrf->drr_object = BSWAP_64(drrf->drr_object);
drrf->drr_offset = BSWAP_64(drrf->drr_offset);
drrf->drr_length = BSWAP_64(drrf->drr_length);
}
if (verbose) {
(void) printf("FREE object = %llu "
"offset = %llu length = %lld\n",
(u_longlong_t)drrf->drr_object,
(u_longlong_t)drrf->drr_offset,
(longlong_t)drrf->drr_length);
}
break;
case DRR_SPILL:
if (do_byteswap) {
drrs->drr_object = BSWAP_64(drrs->drr_object);
drrs->drr_length = BSWAP_64(drrs->drr_length);
}
if (verbose) {
(void) printf("SPILL block for object = %" FU64
"length = %" FU64 "\n", drrs->drr_object,
drrs->drr_length);
}
(void) ssread(buf, drrs->drr_length, &zc);
break;
}
pcksum = zc;
}
free(buf);
/* Print final summary */
(void) printf("SUMMARY:\n");
(void) printf("\tTotal DRR_BEGIN records = %lld\n",
(u_longlong_t)drr_record_count[DRR_BEGIN]);
(void) printf("\tTotal DRR_END records = %lld\n",
(u_longlong_t)drr_record_count[DRR_END]);
(void) printf("\tTotal DRR_OBJECT records = %lld\n",
(u_longlong_t)drr_record_count[DRR_OBJECT]);
(void) printf("\tTotal DRR_FREEOBJECTS records = %lld\n",
(u_longlong_t)drr_record_count[DRR_FREEOBJECTS]);
(void) printf("\tTotal DRR_WRITE records = %lld\n",
(u_longlong_t)drr_record_count[DRR_WRITE]);
(void) printf("\tTotal DRR_FREE records = %lld\n",
(u_longlong_t)drr_record_count[DRR_FREE]);
(void) printf("\tTotal DRR_SPILL records = %lld\n",
(u_longlong_t)drr_record_count[DRR_SPILL]);
(void) printf("\tTotal records = %lld\n",
(u_longlong_t)(drr_record_count[DRR_BEGIN] +
drr_record_count[DRR_OBJECT] +
drr_record_count[DRR_FREEOBJECTS] +
drr_record_count[DRR_WRITE] +
drr_record_count[DRR_FREE] +
drr_record_count[DRR_SPILL] +
drr_record_count[DRR_END]));
(void) printf("\tTotal write size = %lld (0x%llx)\n",
(u_longlong_t)total_write_size, (u_longlong_t)total_write_size);
(void) printf("\tTotal stream length = %lld (0x%llx)\n",
(u_longlong_t)total_stream_len, (u_longlong_t)total_stream_len);
return (0);
}
DWORD CALLBACK ArpScanThread(CArpScanner * cls)
{
/* Initialize WinPCAP */
//TWinPCAP pcap;
if (cls->pcap.LoadPCAP())
{
/* Get adapter parameters */
IN_ADDR adapter_ip;
unsigned char adapter_mac[6];
/* Get IP and MAC */
cls->pcap.GetAdapterIP(cls->sci_Adapter, &adapter_ip, NULL);
cls->pcap.GetAdapterMAC(cls->sci_Adapter, adapter_mac);
/* Clear all contexts */
for (int i = 0; i < MAX_CONCURRENT_SCANS; i++)
{
cls->scan_ctx[i].addr.S_un.S_addr = 0; /* IP address we send packet for */
cls->scan_ctx[i].replied = false; /* was out request replied at least one time */
cls->scan_ctx[i].timeout = 0; /* when will this request time out */
cls->scan_ctx[i].requested = false; /* the request was sent and waiting for response */
}
/* Set starting ip address */
IN_ADDR current_ip = cls->sci_StartIP;
/* start WinPCAP adapter capturing */
if (cls->pcap.OpenAdapter(cls->sci_Adapter))
{
/* Scan started */
cls->scanned_host_count = 0;
__raise cls->OnScanStart();
/* prepare */
DWORD last_arp_sent = 0;
/* loop while there are waiting scans and ending IP is not reached */
do
{
/* check for received packets, parse them, verify context and raise OnScanHost events */
CheckPCAPPackets(cls, &cls->pcap, &adapter_ip);
/* check for context freeing and allocate next IP */
for (int i = 0; i < MAX_CONCURRENT_SCANS; i++)
{
/* check for timeout */
if (cls->scan_ctx[i].timeout < GetTickCount())
{
/* requested but unreplied */
if (cls->scan_ctx[i].requested && !cls->scan_ctx[i].replied)
{
CComBSTR tmp_ip(inet_ntoa(cls->scan_ctx[i].addr));
cls->scanned_host_count++;
/* 1 = functional, 0 = demo */
#if 1
/* Actual - signal a timeout */
CComBSTR tmp_mac("");
__raise cls->OnScanHost(tmp_ip.Copy(), tmp_mac.Copy(), -1);
#else
/* Demo - random results */
if (rand() % 2)
{
unsigned char t_mac[6];
char t_mac_txt[18];
for (int i = 0; i < 6; t_mac[i++] = rand() & 0xFF);
MAC2TXT(t_mac_txt, t_mac);
CComBSTR tmp_mac(t_mac_txt);
__raise cls->OnScanHost(tmp_ip.Copy(), tmp_mac.Copy(), rand() % 1000);
}
else
{
CComBSTR tmp_mac("");
__raise cls->OnScanHost(tmp_ip.Copy(), tmp_mac.Copy(), -1);
}
#endif
}
else if (cls->scan_ctx[i].requested && cls->scan_ctx[i].replied)
{
/* just count a host - events were raised in CheckPCAPPackets */
cls->scanned_host_count++;
}
/* in case of timeout mark the context as not requested */
cls->scan_ctx[i].requested = false;
}
/* is the context free so we can use it (and last request was sent enough time ago ? */
if ((!cls->scan_ctx[i].requested) &&
(BSWAP_32(current_ip.S_un.S_addr) <= BSWAP_32(cls->sci_EndIP.S_un.S_addr)) &&
(GetTickCount() > (last_arp_sent + (MAX_ARP_SCAN_TIMEOUT / MAX_CONCURRENT_SCANS))))
{
/* initialize a context with new address and timeout */
cls->scan_ctx[i].timeout = GetTickCount() + MAX_ARP_SCAN_TIMEOUT;
cls->scan_ctx[i].addr.S_un.S_addr = current_ip.S_un.S_addr;
cls->scan_ctx[i].requested = true;
cls->scan_ctx[i].replied = false;
/* craft an ARP Request packet and Send it to the network */
TIPv4ARP arp_pkt;
ARP_PrepareRequest(&arp_pkt, adapter_mac, adapter_ip, current_ip);
cls->pcap.SendPacket(NULL, NULL, 0x0806, (unsigned char *)&arp_pkt, sizeof(arp_pkt));
last_arp_sent = GetTickCount();
/* jump to next address */
current_ip.S_un.S_addr = BSWAP_32(BSWAP_32(current_ip.S_un.S_addr) + 1);
}
}
/* Give up some CPU time */
Sleep(1);
} while (cls->ScansActive() && !cls->terminate_scan);
/* Scan ended */
__raise cls->OnStartStop();
/* close adapter */
cls->pcap.CloseAdapter();
}
else
{
/* error opening adapter */
__raise cls->OnScanError(E_COULD_NOT_OPEN_ADAPTER);
}
}
else
{
/* error loading WinPCAP */
__raise cls->OnScanError(E_WINPCAP_NOT_FOUND);
}
/* Perform thread cleanup */
CloseHandle(cls->scan_thread);
cls->scan_thread = NULL;
return 0;
}
