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smb3: display security information in /proc/fs/cifs/DebugData more accurately
When the server required encryption (but we didn't connect to it with the "seal" mount option) we weren't displaying in /proc/fs/cifs/DebugData that the tcon for that share was encrypted. Similarly we were not displaying that signing was required when ses->sign was enabled (we only checked ses->server->sign). This makes it easier to debug when in fact the connection is signed (or sealed), whether for performance or security questions. Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
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1 changed files with 7 additions and 1 deletions
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@ -115,7 +115,9 @@ static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon)
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seq_puts(m, " type: CDROM ");
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else
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seq_printf(m, " type: %d ", dev_type);
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if (tcon->seal)
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if ((tcon->seal) ||
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(tcon->ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) ||
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(tcon->share_flags & SHI1005_FLAGS_ENCRYPT_DATA))
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seq_printf(m, " Encrypted");
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if (tcon->nocase)
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seq_printf(m, " nocase");
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@ -371,6 +373,10 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
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atomic_read(&server->in_send),
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atomic_read(&server->num_waiters));
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#endif
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if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA)
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seq_puts(m, " encrypted");
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if (ses->sign)
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seq_puts(m, " signed");
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seq_puts(m, "\n\tShares:");
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j = 0;
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