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Remove some warnings found by running scripts/kernel-doc,
which is caused by using 'make W=1'.
fs/ksmbd/misc.c:30: warning: Function parameter or member 'str' not
described in 'match_pattern'
fs/ksmbd/misc.c:30: warning: Excess function parameter 'string'
description in 'match_pattern'
fs/ksmbd/misc.c:163: warning: Function parameter or member 'share' not
described in 'convert_to_nt_pathname'
fs/ksmbd/misc.c:163: warning: Function parameter or member 'path' not
described in 'convert_to_nt_pathname'
fs/ksmbd/misc.c:163: warning: Excess function parameter 'filename'
description in 'convert_to_nt_pathname'
fs/ksmbd/misc.c:163: warning: Excess function parameter 'sharepath'
description in 'convert_to_nt_pathname'
fs/ksmbd/misc.c:259: warning: Function parameter or member 'share' not
described in 'convert_to_unix_name'
fs/ksmbd/misc.c:259: warning: Function parameter or member 'name' not
described in 'convert_to_unix_name'
fs/ksmbd/misc.c:259: warning: Excess function parameter 'path'
description in 'convert_to_unix_name'
fs/ksmbd/misc.c:259: warning: Excess function parameter 'tid'
description in 'convert_to_unix_name'
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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If the filename is change by underlying rename the server, fp->filename
and real filename can be different. This patch remove the uses of
fp->filename in ksmbd and replace it with d_path().
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The kmalloc() does not have a NULL check. This code can be re-written
slightly cleaner to just use the kstrdup().
Fixes: 265fd1991c1d ("ksmbd: use LOOKUP_BENEATH to prevent the out of share access")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Acked-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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instead of removing '..' in a given path, call
kern_path with LOOKUP_BENEATH flag to prevent
the out of share access.
ran various test on this:
smb2-cat-async smb://127.0.0.1/homes/../out_of_share
smb2-cat-async smb://127.0.0.1/homes/foo/../../out_of_share
smbclient //127.0.0.1/homes -c "mkdir ../foo2"
smbclient //127.0.0.1/homes -c "rename bar ../bar"
Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Cc: Ralph Boehme <slow@samba.org>
Tested-by: Steve French <smfrench@gmail.com>
Tested-by: Namjae Jeon <linkinjeon@kernel.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Because of .., files outside the share directory
could be accessed. To prevent this, normalize
the given path and remove all . and ..
components.
In addition to the usual large set of regression tests (smbtorture
and xfstests), ran various tests on this to specifically check
path name validation including libsmb2 tests to verify path
normalization:
./examples/smb2-ls-async smb://172.30.1.15/homes2/../
./examples/smb2-ls-async smb://172.30.1.15/homes2/foo/../
./examples/smb2-ls-async smb://172.30.1.15/homes2/foo/../../
./examples/smb2-ls-async smb://172.30.1.15/homes2/foo/../
./examples/smb2-ls-async smb://172.30.1.15/homes2/foo/..bar/
./examples/smb2-ls-async smb://172.30.1.15/homes2/foo/bar../
./examples/smb2-ls-async smb://172.30.1.15/homes2/foo/bar..
./examples/smb2-ls-async smb://172.30.1.15/homes2/foo/bar../../../../
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Move fs/cifsd to fs/ksmbd and rename the remaining cifsd name to ksmbd.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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