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| author | Steve French <sfrench@us.ibm.com> | 2007-09-28 22:28:55 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2007-09-28 22:28:55 +0000 |
| commit | 7f8ed420f80c91176dfd27c8089f22cab5c9ba78 (patch) | |
| tree | bd3cea6554c3e59230c83fa7e9912740e178b00c /fs/cifs/connect.c | |
| parent | 407f61a2b482ab9a6d03549ab9513e4a823ae4a2 (diff) | |
| download | lwn-7f8ed420f80c91176dfd27c8089f22cab5c9ba78.tar.gz lwn-7f8ed420f80c91176dfd27c8089f22cab5c9ba78.zip | |
[CIFS] CIFS support for named pipes (part 1)
This allows cifs to mount to ipc shares (IPC$)
which will allow user space applications to
layer over authenticated cifs connections
(useful for Wine and others that would want
to put DCE/RPC over CIFS or run CIFS named
pipes)
Acked-by: Rob Shearman <rob@codeweavers.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/connect.c')
| -rw-r--r-- | fs/cifs/connect.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index e43cb880f54a..21cac15ed9a7 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2186,8 +2186,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb, tcon->ses = pSesInfo; /* do not care if following two calls succeed - informational */ - CIFSSMBQFSDeviceInfo(xid, tcon); - CIFSSMBQFSAttributeInfo(xid, tcon); + if (!tcon->ipc) { + CIFSSMBQFSDeviceInfo(xid, tcon); + CIFSSMBQFSAttributeInfo(xid, tcon); + } /* tell server which Unix caps we support */ if (tcon->ses->capabilities & CAP_UNIX) @@ -3385,6 +3387,18 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr = pByteArea(smb_buffer_response); length = strnlen(bcc_ptr, BCC(smb_buffer_response) - 2); /* skip service field (NB: this field is always ASCII) */ + if (length == 3) { + if ((bcc_ptr[0] == 'I') && (bcc_ptr[1] == 'P') && + (bcc_ptr[2] == 'C')) { + cFYI(1, ("IPC connection")); + tcon->ipc = 1; + } + } else if (length == 2) { + if ((bcc_ptr[0] == 'A') && (bcc_ptr[1] == ':')) { + /* the most common case */ + cFYI(1, ("disk share connection")); + } + } bcc_ptr += length + 1; strncpy(tcon->treeName, tree, MAX_TREE_SIZE); if (smb_buffer->Flags2 & SMBFLG2_UNICODE) { |