diff options
| author | Paulo Alcantara <pc@manguebit.com> | 2024-02-12 00:19:31 +0100 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2024-02-12 19:47:21 +0100 |
| commit | 8bde59b20de06339d598e8b05e5195f7c631c38b (patch) | |
| tree | 747b1929632fba1ae016734c5b53622135886921 /fs | |
| parent | smb: client: set correct id, uid and cruid for multiuser automounts (diff) | |
| download | linux-8bde59b20de06339d598e8b05e5195f7c631c38b.tar.xz linux-8bde59b20de06339d598e8b05e5195f7c631c38b.zip | |
smb: client: handle path separator of created SMB symlinks
Convert path separator to CIFS_DIR_SEP(cifs_sb) from symlink target
before sending it over the wire otherwise the created SMB symlink may
become innaccesible from server side.
Fixes: 514d793e27a3 ("smb: client: allow creating symlinks via reparse points")
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/smb/client/smb2ops.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c index 6b3c384ead0d..4695433fcf39 100644 --- a/fs/smb/client/smb2ops.c +++ b/fs/smb/client/smb2ops.c @@ -5217,7 +5217,7 @@ static int smb2_create_reparse_symlink(const unsigned int xid, struct inode *new; struct kvec iov; __le16 *path; - char *sym; + char *sym, sep = CIFS_DIR_SEP(cifs_sb); u16 len, plen; int rc = 0; @@ -5231,7 +5231,8 @@ static int smb2_create_reparse_symlink(const unsigned int xid, .symlink_target = sym, }; - path = cifs_convert_path_to_utf16(symname, cifs_sb); + convert_delimiter(sym, sep); + path = cifs_convert_path_to_utf16(sym, cifs_sb); if (!path) { rc = -ENOMEM; goto out; @@ -5254,7 +5255,10 @@ static int smb2_create_reparse_symlink(const unsigned int xid, buf->PrintNameLength = cpu_to_le16(plen); memcpy(buf->PathBuffer, path, plen); buf->Flags = cpu_to_le32(*symname != '/' ? SYMLINK_FLAG_RELATIVE : 0); + if (*sym != sep) + buf->Flags = cpu_to_le32(SYMLINK_FLAG_RELATIVE); + convert_delimiter(sym, '/'); iov.iov_base = buf; iov.iov_len = len; new = smb2_get_reparse_inode(&data, inode->i_sb, xid, |