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Store the data in the "user.SmbReparse" xattr. Only allow this on
regular files. Windows does it for directories too, but we can not
allow this: Setting a symlink reparse point in a xattr on a directory
would go unnoticed by our openat2-optimization. If someone really
needs this, we could have a VFS module disallowing openat2 and doing
the appropriate checks on every openat-call.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We'll need this in many places, for example when listing directories
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
test_create_reparse shows that the length checks need to be precise,
not just checking for overflow.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We only need to transmit the file_id and share_file_id. Next patch
will show why :-)
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
dom_sid_string() does an implicit talloc_strdup() which is not
necessary here.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
GUID_buf_string is supposed to never fail except if the guid passed in
is NULL. Our only current caller already checks
that. dbwrap_purge_bystring() could actually fail, so put the result
into a variable for the debugger.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
(state->current_sid == NULL) is true if and only if we could not
assign state->current_sid because num_sids was too small. Make that
more explicit.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Error: INTEGER_OVERFLOW (CWE-190):
ldb-2.9.0/common/ldb_ldif.c:84: tainted_data_return: Called function "read(f, buf, size)", and a possible return value may be less than zero.
ldb-2.9.0/common/ldb_ldif.c:84: cast_overflow: An assign that casts to a different type, which might trigger an overflow.
ldb-2.9.0/common/ldb_ldif.c:92: overflow: The expression "size" is considered to have possibly overflowed.
ldb-2.9.0/common/ldb_ldif.c:84: overflow_sink: "size", which might be negative, is passed to "read(f, buf, size)". [Note: The source code implementation of the function has been overridden by a builtin model.]
82| buf = (char *)value->data;
83| while (count < statbuf.st_size) {
84|-> bytes = read(f, buf, size);
85| if (bytes == -1) {
86| talloc_free(value->data);
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Apr 30 15:33:32 UTC 2024 on atb-devel-224
Error: INTEGER_OVERFLOW (CWE-190):
ldb-2.9.0/common/ldb_msg.c:1235: tainted_data_argument: The check "i < msg2->num_elements" contains the tainted expression "i" which causes "msg2->num_elements" to be considered tainted.
ldb-2.9.0/common/ldb_msg.c:1253: overflow: The expression "msg2->num_elements - (i + 1U)" is deemed underflowed because at least one of its arguments has underflowed.
ldb-2.9.0/common/ldb_msg.c:1253: overflow: The expression "32UL * (msg2->num_elements - (i + 1U))" is deemed underflowed because at least one of its arguments has underflowed.
ldb-2.9.0/common/ldb_msg.c:1253: overflow_sink: "32UL * (msg2->num_elements - (i + 1U))", which might have underflowed, is passed to "memmove(el2, el2 + 1, 32UL * (msg2->num_elements - (i + 1U)))". [Note: The source code implementation of the function has been overridden by a builtin model.]
1251| talloc_free(discard_const_p(char, el2->name));
1252| if ((i+1) < msg2->num_elements) {
1253|-> memmove(el2, el2+1, sizeof(struct ldb_message_element) *
1254| (msg2->num_elements - (i+1)));
1255| }
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Inherit-only flag applies only to the container it was set to and it
shouldn't be automatically propagated to children.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15636
Signed-off-by: Anna Popova <popova.anna235@gmail.com>
Reviewed-by: Noel Power <noel.power@suse.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Mon Apr 29 10:56:48 UTC 2024 on atb-devel-224
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15636
Signed-off-by: Anna Popova <popova.anna235@gmail.com>
Reviewed-by: Noel Power <noel.power@suse.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Direct leak of 885 byte(s) in 1 object(s) allocated from:
#0 0x7f261b8dc03f in malloc (/lib64/libasan.so.8+0xdc03f) (BuildId: 3e1694ad218c99a8b1b69231666a27df63cf19d0)
#1 0x7f261b2c2bc2 in __talloc_with_prefix ../../lib/talloc/talloc.c:783
#2 0x7f261b2c543c in _talloc_pool ../../lib/talloc/talloc.c:838
#3 0x7f261b2c543c in _talloc_pooled_object ../../lib/talloc/talloc.c:906
#4 0x7f261a69cac9 in __tevent_req_create ../../lib/tevent/tevent_req.c:98
#5 0x7f261a75bf55 in cli_full_connection_creds_send ../../source3/libsmb/cliconnect.c:3455
#6 0x7f261a75c4b7 in cli_full_connection_creds ../../source3/libsmb/cliconnect.c:3818
#7 0x7f261b70d39f in libnet_join_connect_dc_ipc ../../source3/libnet/libnet_join.c:1146
#8 0x7f261b715794 in libnet_join_lookup_dc_rpc ../../source3/libnet/libnet_join.c:1188
#9 0x7f261b715794 in libnet_DomainJoin ../../source3/libnet/libnet_join.c:2812
#10 0x7f261b715794 in libnet_Join ../../source3/libnet/libnet_join.c:3040
#11 0x555bd93671ea in net_ads_join ../../source3/utils/net_ads.c:1855
#12 0x555bd9415ca9 in net_join ../../source3/utils/net_join.c:45
#13 0x555bd940b972 in net_run_function ../../source3/utils/net_util.c:464
#14 0x555bd9363129 in main ../../source3/utils/net.c:1372
#15 0x7f2616a281af in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
