docs: document remaining ncp22 legacy directory layouts
This commit is contained in:
Mario Fetka
126
src/nwconn.c
126
src/nwconn.c
@@ -4542,6 +4542,21 @@ static int handle_ncp_serv(void)
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break;
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case 0x2a : { /* Get Eff. Rights of DIR's and Files */
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/*
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* NCP 0x2222/22/42 Get Effective Rights for Directory Entry.
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*
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* SDK request payload after the group header:
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* byte DirHandle
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* byte PathLen
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* byte Path[PathLen]
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*
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* Reply:
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* word AccessRights (Lo-Hi)
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*
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* Parser comparison: current code reads the documented
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* payload offsets and returns the documented Lo-Hi rights
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* word.
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*/
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struct XDATA {
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uint8 eff_rights[2]; /* LO-HI */
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} *xdata = (struct XDATA*) responsedata;
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@@ -4574,6 +4589,22 @@ static int handle_ncp_serv(void)
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break;
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case 0x2b : { /* remove ext trustees */
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/*
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* NCP 0x2222/22/43 Remove Extended Trustee from Dir or File.
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*
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* SDK request payload after the group header:
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* byte DirHandle
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* long ObjectID (Hi-Lo)
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* byte Unused
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* byte PathLen
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* byte Path[PathLen]
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*
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* No reply data.
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*
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* Parser comparison: current code reads DirHandle,
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* ObjectID, the reserved byte, PathLen, and Path at the
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* documented offsets.
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*/
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struct INPUT {
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uint8 header[7]; /* Requestheader */
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uint8 div[3]; /* 0x0, dlen, ufunc */
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@@ -4610,6 +4641,29 @@ static int handle_ncp_serv(void)
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break;
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case 0x2c : { /* Get Volume and Purge Information */
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/*
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* NCP 0x2222/22/44 Get Volume and Purge Information.
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*
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* SDK request payload after the group header:
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* byte VolumeNumber
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*
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* Reply:
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* long TotalBlocks (Hi-Lo in the PDF)
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* long FreeBlocks (Lo-Hi)
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* long PurgeableBlocks (Lo-Hi)
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* long NotYetPurgeableBlocks (Lo-Hi)
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* long TotalDirEntries (Lo-Hi)
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* long AvailableDirEntries (Lo-Hi)
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* byte Reserved[4]
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* byte SectorsPerBlock
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* byte VolumeNameLen
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* byte VolumeName[VolumeNameLen]
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*
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* Parser comparison: request offset matches. The current
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* reply maps Unix filesystem totals to the legacy shape and
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* uses U32_TO_32() for all 32-bit counters; the PDF marks
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* only TotalBlocks as Hi-Lo while the rest are Lo-Hi.
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*/
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/* new Call since V3.11 */
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/* ncpfs need this call */
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int volume = (int) *(p+1);
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@@ -4645,6 +4699,25 @@ static int handle_ncp_serv(void)
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break;
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case 0x2d : { /* Get Direktory Information */
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/*
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* NCP 0x2222/22/45 Get Directory Information.
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*
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* SDK request payload after the group header:
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* byte DirHandle
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*
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* Reply:
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* long TotalBlocks (Lo-Hi)
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* long AvailableBlocks (Lo-Hi)
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* long TotalDirEntries (Lo-Hi)
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* long AvailableDirEntries (Lo-Hi)
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* byte Reserved[4]
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* byte SectorsPerBlock
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* byte VolumeNameLen
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* byte VolumeName[VolumeNameLen]
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*
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* Parser comparison: request offset and reply byte order
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* match the documented legacy directory-information shape.
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*/
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int dir_handle = (int) *(p+1);
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struct XDATA {
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uint8 total_blocks[4];
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@@ -4679,19 +4752,23 @@ static int handle_ncp_serv(void)
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case 0x2e : { /* Rename or Move (old) */
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/*
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* NCP 22 / subfunction 46 (0x2e): Rename Or Move (old)
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* NCP 0x2222/22/46 Rename Or Move (old).
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*
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* Request:
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* byte source directory handle
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* byte search attributes
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* byte source path component count
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* source path components: byte len + bytes, repeated
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* byte destination directory handle
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* byte destination path component count
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* destination path components: byte len + bytes, repeated
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* SDK request payload after the group header:
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* byte SourceDirHandle
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* byte SearchAttribute
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* byte SourcePathComponentCount
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* byte SourcePath[SourcePathLen]
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* byte DestDirHandle
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* byte DestPathComponentCount
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* byte DestPath[DestPathLen]
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*
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* No reply data. This old call uses component-counted
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* paths, unlike the plain length-prefixed NCP 69 rename.
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*
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* Parser comparison: current code decodes both component
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* path lists in the documented order and supports different
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* source/destination handles.
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*/
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uint8 srcpath[256];
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uint8 dstpath[256];
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@@ -4755,6 +4832,22 @@ static int handle_ncp_serv(void)
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#if WITH_NAME_SPACE_CALLS
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case 0x2f : { /* Fill namespace buffer */
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/*
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* NCP 0x2222/22/47 Get Name Space Information.
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*
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* SDK request payload after the group header:
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* byte VolumeNumber
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*
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* Reply is a variable-length namespace/datastream inventory:
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* DefinedNameSpaces, namespace names, DefinedDataStreams,
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* stream-to-namespace mappings, loaded namespaces, volume
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* namespaces, and volume data streams.
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*
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* Parser comparison: request offset matches. Reply is built
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* by fill_namespace_buffer(); it reports MARS-NWE's known
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* DOS/MAC/NFS/FTAM/OS2 namespace table and loaded/volume
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* namespace lists in the documented variable layout.
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*/
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/* ncopy use this call */
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int volume = (int) *(p+1);
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/* (p+2) == 0xe4 or 0xe2 sometimes ???? */
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@@ -4767,6 +4860,21 @@ static int handle_ncp_serv(void)
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break;
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case 0x30 : { /* Get Name Space Directory Entry */
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/*
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* NCP 0x2222/22/48 Get Name Space Directory Entry.
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*
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* SDK request payload after the group header:
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* byte VolumeNumber
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* long DOSSequence
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* byte NameSpace
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*
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* Reply is the namespace-specific directory-entry record.
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*
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* Parser comparison: request offset matches. The PDF does
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* not label DOSSequence byte order; current code reads it
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* with GET_32() and get_namespace_dir_entry() returns the
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* DOS NW_SCAN_DIR_INFO-shaped entry for the resolved base.
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*/
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int volume = (int) *(p+1);
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uint32 basehandle = GET_32(p+2);
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int namespace = (int) *(p+6);
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