79af761b0dfdeb3eab36c5c12517e4e508b9234d
[kamenim/samba.git] / source3 / rpc_server / srv_spoolss_util.c
1 /*
2  *  Unix SMB/CIFS implementation.
3  *
4  *  SPOOLSS RPC Pipe server / winreg client routines
5  *
6  *  Copyright (c) 2010      Andreas Schneider <asn@samba.org>
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 3 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
20  */
21
22 #include "includes.h"
23 #include "srv_spoolss_util.h"
24 #include "../librpc/gen_ndr/srv_winreg.h"
25 #include "../librpc/gen_ndr/cli_winreg.h"
26
27 #define TOP_LEVEL_PRINT_KEY "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Print"
28 #define TOP_LEVEL_PRINT_PRINTERS_KEY TOP_LEVEL_PRINT_KEY "\\Printers"
29 #define TOP_LEVEL_CONTROL_KEY "SYSTEM\\CurrentControlSet\\Control\\Print"
30 #define TOP_LEVEL_CONTROL_FORMS_KEY TOP_LEVEL_CONTROL_KEY "\\Forms"
31
32 /*        FLAGS,                NAME,                              with,   height,   left, top, right, bottom */
33 static const struct spoolss_FormInfo1 builtin_forms1[] = {
34         { SPOOLSS_FORM_BUILTIN, "Letter",                         {0x34b5c,0x44368}, {0x0,0x0,0x34b5c,0x44368} },
35         { SPOOLSS_FORM_BUILTIN, "Letter Small",                   {0x34b5c,0x44368}, {0x0,0x0,0x34b5c,0x44368} },
36         { SPOOLSS_FORM_BUILTIN, "Tabloid",                        {0x44368,0x696b8}, {0x0,0x0,0x44368,0x696b8} },
37         { SPOOLSS_FORM_BUILTIN, "Ledger",                         {0x696b8,0x44368}, {0x0,0x0,0x696b8,0x44368} },
38         { SPOOLSS_FORM_BUILTIN, "Legal",                          {0x34b5c,0x56d10}, {0x0,0x0,0x34b5c,0x56d10} },
39         { SPOOLSS_FORM_BUILTIN, "Statement",                      {0x221b4,0x34b5c}, {0x0,0x0,0x221b4,0x34b5c} },
40         { SPOOLSS_FORM_BUILTIN, "Executive",                      {0x2cf56,0x411cc}, {0x0,0x0,0x2cf56,0x411cc} },
41         { SPOOLSS_FORM_BUILTIN, "A3",                             {0x48828,0x668a0}, {0x0,0x0,0x48828,0x668a0} },
42         { SPOOLSS_FORM_BUILTIN, "A4",                             {0x33450,0x48828}, {0x0,0x0,0x33450,0x48828} },
43         { SPOOLSS_FORM_BUILTIN, "A4 Small",                       {0x33450,0x48828}, {0x0,0x0,0x33450,0x48828} },
44         { SPOOLSS_FORM_BUILTIN, "A5",                             {0x24220,0x33450}, {0x0,0x0,0x24220,0x33450} },
45         { SPOOLSS_FORM_BUILTIN, "B4 (JIS)",                       {0x3ebe8,0x58de0}, {0x0,0x0,0x3ebe8,0x58de0} },
46         { SPOOLSS_FORM_BUILTIN, "B5 (JIS)",                       {0x2c6f0,0x3ebe8}, {0x0,0x0,0x2c6f0,0x3ebe8} },
47         { SPOOLSS_FORM_BUILTIN, "Folio",                          {0x34b5c,0x509d8}, {0x0,0x0,0x34b5c,0x509d8} },
48         { SPOOLSS_FORM_BUILTIN, "Quarto",                         {0x347d8,0x43238}, {0x0,0x0,0x347d8,0x43238} },
49         { SPOOLSS_FORM_BUILTIN, "10x14",                          {0x3e030,0x56d10}, {0x0,0x0,0x3e030,0x56d10} },
50         { SPOOLSS_FORM_BUILTIN, "11x17",                          {0x44368,0x696b8}, {0x0,0x0,0x44368,0x696b8} },
51         { SPOOLSS_FORM_BUILTIN, "Note",                           {0x34b5c,0x44368}, {0x0,0x0,0x34b5c,0x44368} },
52         { SPOOLSS_FORM_BUILTIN, "Envelope #9",                    {0x18079,0x37091}, {0x0,0x0,0x18079,0x37091} },
53         { SPOOLSS_FORM_BUILTIN, "Envelope #10",                   {0x19947,0x3ae94}, {0x0,0x0,0x19947,0x3ae94} },
54         { SPOOLSS_FORM_BUILTIN, "Envelope #11",                   {0x1be7c,0x40565}, {0x0,0x0,0x1be7c,0x40565} },
55         { SPOOLSS_FORM_BUILTIN, "Envelope #12",                   {0x1d74a,0x44368}, {0x0,0x0,0x1d74a,0x44368} },
56         { SPOOLSS_FORM_BUILTIN, "Envelope #14",                   {0x1f018,0x47504}, {0x0,0x0,0x1f018,0x47504} },
57         { SPOOLSS_FORM_BUILTIN, "C size sheet",                   {0x696b8,0x886d0}, {0x0,0x0,0x696b8,0x886d0} },
58         { SPOOLSS_FORM_BUILTIN, "D size sheet",                   {0x886d0,0xd2d70}, {0x0,0x0,0x886d0,0xd2d70} },
59         { SPOOLSS_FORM_BUILTIN, "E size sheet",                   {0xd2d70,0x110da0},{0x0,0x0,0xd2d70,0x110da0} },
60         { SPOOLSS_FORM_BUILTIN, "Envelope DL",                    {0x1adb0,0x35b60}, {0x0,0x0,0x1adb0,0x35b60} },
61         { SPOOLSS_FORM_BUILTIN, "Envelope C5",                    {0x278d0,0x37e88}, {0x0,0x0,0x278d0,0x37e88} },
62         { SPOOLSS_FORM_BUILTIN, "Envelope C3",                    {0x4f1a0,0x6fd10}, {0x0,0x0,0x4f1a0,0x6fd10} },
63         { SPOOLSS_FORM_BUILTIN, "Envelope C4",                    {0x37e88,0x4f1a0}, {0x0,0x0,0x37e88,0x4f1a0} },
64         { SPOOLSS_FORM_BUILTIN, "Envelope C6",                    {0x1bd50,0x278d0}, {0x0,0x0,0x1bd50,0x278d0} },
65         { SPOOLSS_FORM_BUILTIN, "Envelope C65",                   {0x1bd50,0x37e88}, {0x0,0x0,0x1bd50,0x37e88} },
66         { SPOOLSS_FORM_BUILTIN, "Envelope B4",                    {0x3d090,0x562e8}, {0x0,0x0,0x3d090,0x562e8} },
67         { SPOOLSS_FORM_BUILTIN, "Envelope B5",                    {0x2af80,0x3d090}, {0x0,0x0,0x2af80,0x3d090} },
68         { SPOOLSS_FORM_BUILTIN, "Envelope B6",                    {0x2af80,0x1e848}, {0x0,0x0,0x2af80,0x1e848} },
69         { SPOOLSS_FORM_BUILTIN, "Envelope",                       {0x1adb0,0x38270}, {0x0,0x0,0x1adb0,0x38270} },
70         { SPOOLSS_FORM_BUILTIN, "Envelope Monarch",               {0x18079,0x2e824}, {0x0,0x0,0x18079,0x2e824} },
71         { SPOOLSS_FORM_BUILTIN, "6 3/4 Envelope",                 {0x167ab,0x284ec}, {0x0,0x0,0x167ab,0x284ec} },
72         { SPOOLSS_FORM_BUILTIN, "US Std Fanfold",                 {0x5c3e1,0x44368}, {0x0,0x0,0x5c3e1,0x44368} },
73         { SPOOLSS_FORM_BUILTIN, "German Std Fanfold",             {0x34b5c,0x4a6a0}, {0x0,0x0,0x34b5c,0x4a6a0} },
74         { SPOOLSS_FORM_BUILTIN, "German Legal Fanfold",           {0x34b5c,0x509d8}, {0x0,0x0,0x34b5c,0x509d8} },
75         { SPOOLSS_FORM_BUILTIN, "B4 (ISO)",                       {0x3d090,0x562e8}, {0x0,0x0,0x3d090,0x562e8} },
76         { SPOOLSS_FORM_BUILTIN, "Japanese Postcard",              {0x186a0,0x24220}, {0x0,0x0,0x186a0,0x24220} },
77         { SPOOLSS_FORM_BUILTIN, "9x11",                           {0x37cf8,0x44368}, {0x0,0x0,0x37cf8,0x44368} },
78         { SPOOLSS_FORM_BUILTIN, "10x11",                          {0x3e030,0x44368}, {0x0,0x0,0x3e030,0x44368} },
79         { SPOOLSS_FORM_BUILTIN, "15x11",                          {0x5d048,0x44368}, {0x0,0x0,0x5d048,0x44368} },
80         { SPOOLSS_FORM_BUILTIN, "Envelope Invite",                {0x35b60,0x35b60}, {0x0,0x0,0x35b60,0x35b60} },
81         { SPOOLSS_FORM_BUILTIN, "Reserved48",                     {0x1,0x1},         {0x0,0x0,0x1,0x1} },
82         { SPOOLSS_FORM_BUILTIN, "Reserved49",                     {0x1,0x1},         {0x0,0x0,0x1,0x1} },
83         { SPOOLSS_FORM_BUILTIN, "Letter Extra",                   {0x3ae94,0x4a6a0}, {0x0,0x0,0x3ae94,0x4a6a0} },
84         { SPOOLSS_FORM_BUILTIN, "Legal Extra",                    {0x3ae94,0x5d048}, {0x0,0x0,0x3ae94,0x5d048} },
85         { SPOOLSS_FORM_BUILTIN, "Tabloid Extra",                  {0x4a6a0,0x6f9f0}, {0x0,0x0,0x4a6a0,0x6f9f0} },
86         { SPOOLSS_FORM_BUILTIN, "A4 Extra",                       {0x397c2,0x4eb16}, {0x0,0x0,0x397c2,0x4eb16} },
87         { SPOOLSS_FORM_BUILTIN, "Letter Transverse",              {0x34b5c,0x44368}, {0x0,0x0,0x34b5c,0x44368} },
88         { SPOOLSS_FORM_BUILTIN, "A4 Transverse",                  {0x33450,0x48828}, {0x0,0x0,0x33450,0x48828} },
89         { SPOOLSS_FORM_BUILTIN, "Letter Extra Transverse",        {0x3ae94,0x4a6a0}, {0x0,0x0,0x3ae94,0x4a6a0} },
90         { SPOOLSS_FORM_BUILTIN, "Super A",                        {0x376b8,0x56ea0}, {0x0,0x0,0x376b8,0x56ea0} },
91         { SPOOLSS_FORM_BUILTIN, "Super B",                        {0x4a768,0x76e58}, {0x0,0x0,0x4a768,0x76e58} },
92         { SPOOLSS_FORM_BUILTIN, "Letter Plus",                    {0x34b5c,0x4eb16}, {0x0,0x0,0x34b5c,0x4eb16} },
93         { SPOOLSS_FORM_BUILTIN, "A4 Plus",                        {0x33450,0x50910}, {0x0,0x0,0x33450,0x50910} },
94         { SPOOLSS_FORM_BUILTIN, "A5 Transverse",                  {0x24220,0x33450}, {0x0,0x0,0x24220,0x33450} },
95         { SPOOLSS_FORM_BUILTIN, "B5 (JIS) Transverse",            {0x2c6f0,0x3ebe8}, {0x0,0x0,0x2c6f0,0x3ebe8} },
96         { SPOOLSS_FORM_BUILTIN, "A3 Extra",                       {0x4e9d0,0x6ca48}, {0x0,0x0,0x4e9d0,0x6ca48} },
97         { SPOOLSS_FORM_BUILTIN, "A5 Extra",                       {0x2a7b0,0x395f8}, {0x0,0x0,0x2a7b0,0x395f8} },
98         { SPOOLSS_FORM_BUILTIN, "B5 (ISO) Extra",                 {0x31128,0x43620}, {0x0,0x0,0x31128,0x43620} },
99         { SPOOLSS_FORM_BUILTIN, "A2",                             {0x668a0,0x91050}, {0x0,0x0,0x668a0,0x91050} },
100         { SPOOLSS_FORM_BUILTIN, "A3 Transverse",                  {0x48828,0x668a0}, {0x0,0x0,0x48828,0x668a0} },
101         { SPOOLSS_FORM_BUILTIN, "A3 Extra Transverse",            {0x4e9d0,0x6ca48}, {0x0,0x0,0x4e9d0,0x6ca48} },
102         { SPOOLSS_FORM_BUILTIN, "Japanese Double Postcard",       {0x30d40,0x24220}, {0x0,0x0,0x30d40,0x24220} },
103         { SPOOLSS_FORM_BUILTIN, "A6",                             {0x19a28,0x24220}, {0x0,0x0,0x19a28,0x24220} },
104         { SPOOLSS_FORM_BUILTIN, "Japanese Envelope Kaku #2",      {0x3a980,0x510e0}, {0x0,0x0,0x3a980,0x510e0} },
105         { SPOOLSS_FORM_BUILTIN, "Japanese Envelope Kaku #3",      {0x34bc0,0x43a08}, {0x0,0x0,0x34bc0,0x43a08} },
106         { SPOOLSS_FORM_BUILTIN, "Japanese Envelope Chou #3",      {0x1d4c0,0x395f8}, {0x0,0x0,0x1d4c0,0x395f8} },
107         { SPOOLSS_FORM_BUILTIN, "Japanese Envelope Chou #4",      {0x15f90,0x320c8}, {0x0,0x0,0x15f90,0x320c8} },
108         { SPOOLSS_FORM_BUILTIN, "Letter Rotated",                 {0x44368,0x34b5c}, {0x0,0x0,0x44368,0x34b5c} },
109         { SPOOLSS_FORM_BUILTIN, "A3 Rotated",                     {0x668a0,0x48828}, {0x0,0x0,0x668a0,0x48828} },
110         { SPOOLSS_FORM_BUILTIN, "A4 Rotated",                     {0x48828,0x33450}, {0x0,0x0,0x48828,0x33450} },
111         { SPOOLSS_FORM_BUILTIN, "A5 Rotated",                     {0x33450,0x24220}, {0x0,0x0,0x33450,0x24220} },
112         { SPOOLSS_FORM_BUILTIN, "B4 (JIS) Rotated",               {0x58de0,0x3ebe8}, {0x0,0x0,0x58de0,0x3ebe8} },
113         { SPOOLSS_FORM_BUILTIN, "B5 (JIS) Rotated",               {0x3ebe8,0x2c6f0}, {0x0,0x0,0x3ebe8,0x2c6f0} },
114         { SPOOLSS_FORM_BUILTIN, "Japanese Postcard Rotated",      {0x24220,0x186a0}, {0x0,0x0,0x24220,0x186a0} },
115         { SPOOLSS_FORM_BUILTIN, "Double Japan Postcard Rotated",  {0x24220,0x30d40}, {0x0,0x0,0x24220,0x30d40} },
116         { SPOOLSS_FORM_BUILTIN, "A6 Rotated",                     {0x24220,0x19a28}, {0x0,0x0,0x24220,0x19a28} },
117         { SPOOLSS_FORM_BUILTIN, "Japan Envelope Kaku #2 Rotated", {0x510e0,0x3a980}, {0x0,0x0,0x510e0,0x3a980} },
118         { SPOOLSS_FORM_BUILTIN, "Japan Envelope Kaku #3 Rotated", {0x43a08,0x34bc0}, {0x0,0x0,0x43a08,0x34bc0} },
119         { SPOOLSS_FORM_BUILTIN, "Japan Envelope Chou #3 Rotated", {0x395f8,0x1d4c0}, {0x0,0x0,0x395f8,0x1d4c0} },
120         { SPOOLSS_FORM_BUILTIN, "Japan Envelope Chou #4 Rotated", {0x320c8,0x15f90}, {0x0,0x0,0x320c8,0x15f90} },
121         { SPOOLSS_FORM_BUILTIN, "B6 (JIS)",                       {0x1f400,0x2c6f0}, {0x0,0x0,0x1f400,0x2c6f0} },
122         { SPOOLSS_FORM_BUILTIN, "B6 (JIS) Rotated",               {0x2c6f0,0x1f400}, {0x0,0x0,0x2c6f0,0x1f400} },
123         { SPOOLSS_FORM_BUILTIN, "12x11",                          {0x4a724,0x443e1}, {0x0,0x0,0x4a724,0x443e1} },
124         { SPOOLSS_FORM_BUILTIN, "Japan Envelope You #4",          {0x19a28,0x395f8}, {0x0,0x0,0x19a28,0x395f8} },
125         { SPOOLSS_FORM_BUILTIN, "Japan Envelope You #4 Rotated",  {0x395f8,0x19a28}, {0x0,0x0,0x395f8,0x19a28} },
126         { SPOOLSS_FORM_BUILTIN, "PRC 16K",                        {0x2de60,0x3f7a0}, {0x0,0x0,0x2de60,0x3f7a0} },
127         { SPOOLSS_FORM_BUILTIN, "PRC 32K",                        {0x1fbd0,0x2cec0}, {0x0,0x0,0x1fbd0,0x2cec0} },
128         { SPOOLSS_FORM_BUILTIN, "PRC 32K(Big)",                   {0x222e0,0x318f8}, {0x0,0x0,0x222e0,0x318f8} },
129         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #1",                {0x18e70,0x28488}, {0x0,0x0,0x18e70,0x28488} },
130         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #2",                {0x18e70,0x2af80}, {0x0,0x0,0x18e70,0x2af80} },
131         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #3",                {0x1e848,0x2af80}, {0x0,0x0,0x1e848,0x2af80} },
132         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #4",                {0x1adb0,0x32c80}, {0x0,0x0,0x1adb0,0x32c80} },
133         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #5",                {0x1adb0,0x35b60}, {0x0,0x0,0x1adb0,0x35b60} },
134         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #6",                {0x1d4c0,0x38270}, {0x0,0x0,0x1d4c0,0x38270} },
135         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #7",                {0x27100,0x38270}, {0x0,0x0,0x27100,0x38270} },
136         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #8",                {0x1d4c0,0x4b708}, {0x0,0x0,0x1d4c0,0x4b708} },
137         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #9",                {0x37e88,0x4f1a0}, {0x0,0x0,0x37e88,0x4f1a0} },
138         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #10",               {0x4f1a0,0x6fd10}, {0x0,0x0,0x4f1a0,0x6fd10} },
139         { SPOOLSS_FORM_BUILTIN, "PRC 16K Rotated",                {0x3f7a0,0x2de60}, {0x0,0x0,0x3f7a0,0x2de60} },
140         { SPOOLSS_FORM_BUILTIN, "PRC 32K Rotated",                {0x2cec0,0x1fbd0}, {0x0,0x0,0x2cec0,0x1fbd0} },
141         { SPOOLSS_FORM_BUILTIN, "PRC 32K(Big) Rotated",           {0x318f8,0x222e0}, {0x0,0x0,0x318f8,0x222e0} },
142         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #1 Rotated",        {0x28488,0x18e70}, {0x0,0x0,0x28488,0x18e70} },
143         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #2 Rotated",        {0x2af80,0x18e70}, {0x0,0x0,0x2af80,0x18e70} },
144         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #3 Rotated",        {0x2af80,0x1e848}, {0x0,0x0,0x2af80,0x1e848} },
145         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #4 Rotated",        {0x32c80,0x1adb0}, {0x0,0x0,0x32c80,0x1adb0} },
146         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #5 Rotated",        {0x35b60,0x1adb0}, {0x0,0x0,0x35b60,0x1adb0} },
147         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #6 Rotated",        {0x38270,0x1d4c0}, {0x0,0x0,0x38270,0x1d4c0} },
148         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #7 Rotated",        {0x38270,0x27100}, {0x0,0x0,0x38270,0x27100} },
149         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #8 Rotated",        {0x4b708,0x1d4c0}, {0x0,0x0,0x4b708,0x1d4c0} },
150         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #9 Rotated",        {0x4f1a0,0x37e88}, {0x0,0x0,0x4f1a0,0x37e88} },
151         { SPOOLSS_FORM_BUILTIN, "PRC Envelope #10 Rotated",       {0x6fd10,0x4f1a0}, {0x0,0x0,0x6fd10,0x4f1a0} }
152 };
153
154 /********************************************************************
155  static helper functions
156 ********************************************************************/
157
158 /****************************************************************************
159  Update the changeid time.
160 ****************************************************************************/
161 /**
162  * @internal
163  *
164  * @brief Update the ChangeID time of a printer.
165  *
166  * This is SO NASTY as some drivers need this to change, others need it
167  * static. This value will change every second, and I must hope that this
168  * is enough..... DON'T CHANGE THIS CODE WITHOUT A TEST MATRIX THE SIZE OF
169  * UTAH ! JRA.
170  *
171  * @return              The ChangeID.
172  */
173 static uint32_t winreg_printer_rev_changeid(void)
174 {
175         struct timeval tv;
176
177         get_process_uptime(&tv);
178
179 #if 1   /* JERRY */
180         /* Return changeid as msec since spooler restart */
181         return tv.tv_sec * 1000 + tv.tv_usec / 1000;
182 #else
183         /*
184          * This setting seems to work well but is too untested
185          * to replace the above calculation.  Left in for experiementation
186          * of the reader            --jerry (Tue Mar 12 09:15:05 CST 2002)
187          */
188         return tv.tv_sec * 10 + tv.tv_usec / 100000;
189 #endif
190 }
191
192 /**
193  * @internal
194  *
195  * @brief Connect to the interal winreg server and open the given printer key.
196  *
197  * The function will create the needed subkeys if they don't exist.
198  *
199  * @param[in]  mem_ctx       The memory context to use.
200  *
201  * @param[in]  server_info   The supplied server info.
202  *
203  * @param[out] winreg_pipe   A pointer for the winreg rpc client pipe.
204  *
205  * @param[in]  path          The path to the key to open.
206  *
207  * @param[in]  key           The key to open.
208  *
209  * @param[in]  create_key    Set to true if the key should be created if it
210  *                           doesn't exist.
211  *
212  * @param[in]  access_mask   The access mask to open the key.
213  *
214  * @param[out] hive_handle   A policy handle for the opened hive.
215  *
216  * @param[out] key_handle    A policy handle for the opened key.
217  *
218  * @return                   WERR_OK on success, the corresponding DOS error
219  *                           code if something gone wrong.
220  */
221 static WERROR winreg_printer_openkey(TALLOC_CTX *mem_ctx,
222                               struct auth_serversupplied_info *server_info,
223                               struct rpc_pipe_client **winreg_pipe,
224                               const char *path,
225                               const char *key,
226                               bool create_key,
227                               uint32_t access_mask,
228                               struct policy_handle *hive_handle,
229                               struct policy_handle *key_handle)
230 {
231         struct rpc_pipe_client *pipe_handle;
232         struct winreg_String wkey, wkeyclass;
233         char *keyname;
234         NTSTATUS status;
235         WERROR result = WERR_OK;
236
237         /* create winreg connection */
238         status = rpc_pipe_open_internal(mem_ctx,
239                                         &ndr_table_winreg.syntax_id,
240                                         rpc_winreg_dispatch,
241                                         server_info,
242                                         &pipe_handle);
243         if (!NT_STATUS_IS_OK(status)) {
244                 DEBUG(0, ("winreg_printer_openkey: Could not connect to winreg_pipe: %s\n",
245                           nt_errstr(status)));
246                 return ntstatus_to_werror(status);
247         }
248
249         status = rpccli_winreg_OpenHKLM(pipe_handle,
250                                         mem_ctx,
251                                         NULL,
252                                         access_mask,
253                                         hive_handle,
254                                         &result);
255         if (!NT_STATUS_IS_OK(status)) {
256                 DEBUG(0, ("winreg_printer_openkey: Could not open HKLM hive: %s\n",
257                           nt_errstr(status)));
258                 talloc_free(pipe_handle);
259                 if (!W_ERROR_IS_OK(result)) {
260                         return result;
261                 }
262                 return ntstatus_to_werror(status);
263         }
264
265         if (key && *key) {
266                 keyname = talloc_asprintf(mem_ctx, "%s\\%s", path, key);
267         } else {
268                 keyname = talloc_strdup(mem_ctx, path);
269         }
270         if (keyname == NULL) {
271                 talloc_free(pipe_handle);
272                 return WERR_NOMEM;
273         }
274
275         ZERO_STRUCT(wkey);
276         wkey.name = keyname;
277
278         if (create_key) {
279                 enum winreg_CreateAction action = REG_ACTION_NONE;
280
281                 ZERO_STRUCT(wkeyclass);
282                 wkeyclass.name = "";
283
284                 status = rpccli_winreg_CreateKey(pipe_handle,
285                                                  mem_ctx,
286                                                  hive_handle,
287                                                  wkey,
288                                                  wkeyclass,
289                                                  0,
290                                                  access_mask,
291                                                  NULL,
292                                                  key_handle,
293                                                  &action,
294                                                  &result);
295                 switch (action) {
296                         case REG_ACTION_NONE:
297                                 DEBUG(8, ("winreg_printer_openkey:createkey did nothing -- huh?\n"));
298                                 break;
299                         case REG_CREATED_NEW_KEY:
300                                 DEBUG(8, ("winreg_printer_openkey: createkey created %s\n", keyname));
301                                 break;
302                         case REG_OPENED_EXISTING_KEY:
303                                 DEBUG(8, ("winreg_printer_openkey: createkey opened existing %s\n", keyname));
304                                 break;
305                 }
306         } else {
307                 status = rpccli_winreg_OpenKey(pipe_handle,
308                                                mem_ctx,
309                                                hive_handle,
310                                                wkey,
311                                                0,
312                                                access_mask,
313                                                key_handle,
314                                                &result);
315         }
316         if (!NT_STATUS_IS_OK(status)) {
317                 talloc_free(pipe_handle);
318                 if (!W_ERROR_IS_OK(result)) {
319                         return result;
320                 }
321                 return ntstatus_to_werror(status);
322         }
323
324         *winreg_pipe = pipe_handle;
325
326         return WERR_OK;
327 }
328
329 /**
330  * @brief Create the registry keyname for the given printer.
331  *
332  * @param[in]  mem_ctx  The memory context to use.
333  *
334  * @param[in]  printer  The name of the printer to get the registry key.
335  *
336  * @return     The registry key or NULL on error.
337  */
338 static char *winreg_printer_data_keyname(TALLOC_CTX *mem_ctx, const char *printer) {
339         return talloc_asprintf(mem_ctx, "%s\\%s", TOP_LEVEL_PRINT_PRINTERS_KEY, printer);
340 }
341
342 /**
343  * @internal
344  *
345  * @brief Enumerate values of an opened key handle and retrieve the data.
346  *
347  * @param[in]  mem_ctx  The memory context to use.
348  *
349  * @param[in]  pipe_handle The pipe handle for the rpc connection.
350  *
351  * @param[in]  key_hnd  The opened key handle.
352  *
353  * @param[out] pnum_values A pointer to store he number of values found.
354  *
355  * @param[out] pnum_values A pointer to store the number of values we found.
356  *
357  * @return                   WERR_OK on success, the corresponding DOS error
358  *                           code if something gone wrong.
359  */
360 static WERROR winreg_printer_enumvalues(TALLOC_CTX *mem_ctx,
361                                         struct rpc_pipe_client *pipe_handle,
362                                         struct policy_handle *key_hnd,
363                                         uint32_t *pnum_values,
364                                         struct spoolss_PrinterEnumValues **penum_values)
365 {
366         TALLOC_CTX *tmp_ctx;
367         uint32_t num_subkeys, max_subkeylen, max_classlen;
368         uint32_t num_values, max_valnamelen, max_valbufsize;
369         uint32_t secdescsize;
370         uint32_t i;
371         NTTIME last_changed_time;
372         struct winreg_String classname;
373
374         struct spoolss_PrinterEnumValues *enum_values;
375
376         WERROR result = WERR_OK;
377         NTSTATUS status;
378
379         tmp_ctx = talloc_new(mem_ctx);
380         if (tmp_ctx == NULL) {
381                 return WERR_NOMEM;
382         }
383
384         ZERO_STRUCT(classname);
385
386         status = rpccli_winreg_QueryInfoKey(pipe_handle,
387                                             tmp_ctx,
388                                             key_hnd,
389                                             &classname,
390                                             &num_subkeys,
391                                             &max_subkeylen,
392                                             &max_classlen,
393                                             &num_values,
394                                             &max_valnamelen,
395                                             &max_valbufsize,
396                                             &secdescsize,
397                                             &last_changed_time,
398                                             &result);
399         if (!NT_STATUS_IS_OK(status)) {
400                 DEBUG(0, ("winreg_printer_enumvalues: Could not query info: %s\n",
401                           nt_errstr(status)));
402                 if (!W_ERROR_IS_OK(result)) {
403                         goto error;
404                 }
405                 result = ntstatus_to_werror(status);
406                 goto error;
407         }
408
409         if (num_values == 0) {
410                 *pnum_values = 0;
411                 TALLOC_FREE(tmp_ctx);
412                 return WERR_OK;
413         }
414
415         enum_values = TALLOC_ARRAY(tmp_ctx, struct spoolss_PrinterEnumValues, num_values);
416         if (enum_values == NULL) {
417                 result = WERR_NOMEM;
418                 goto error;
419         }
420
421         for (i = 0; i < num_values; i++) {
422                 struct spoolss_PrinterEnumValues val;
423                 struct winreg_ValNameBuf name_buf;
424                 enum winreg_Type type = REG_NONE;
425                 uint8_t *data = NULL;
426                 uint32_t data_size;
427                 uint32_t length;
428                 char n = '\0';;
429
430                 name_buf.name = &n;
431                 name_buf.size = max_valnamelen + 2;
432                 name_buf.length = 0;
433
434                 data_size = max_valbufsize;
435                 data = (uint8_t *) TALLOC(tmp_ctx, data_size);
436                 length = 0;
437
438                 status = rpccli_winreg_EnumValue(pipe_handle,
439                                                  tmp_ctx,
440                                                  key_hnd,
441                                                  i,
442                                                  &name_buf,
443                                                  &type,
444                                                  data,
445                                                  &data_size,
446                                                  &length,
447                                                  &result);
448                 if (W_ERROR_EQUAL(result, WERR_NO_MORE_ITEMS) ) {
449                         result = WERR_OK;
450                         status = NT_STATUS_OK;
451                         break;
452                 }
453
454                 if (!NT_STATUS_IS_OK(status)) {
455                         DEBUG(0, ("winreg_printer_enumvalues: Could not enumerate values: %s\n",
456                                   nt_errstr(status)));
457                         if (!W_ERROR_IS_OK(result)) {
458                                 goto error;
459                         }
460                         result = ntstatus_to_werror(status);
461                         goto error;
462                 }
463
464                 if (name_buf.name == NULL) {
465                         result = WERR_INVALID_PARAMETER;
466                         goto error;
467                 }
468
469                 val.value_name = talloc_strdup(enum_values, name_buf.name);
470                 if (val.value_name == NULL) {
471                         result = WERR_NOMEM;
472                         goto error;
473                 }
474                 val.value_name_len = strlen_m_term(val.value_name) * 2;
475
476                 val.type = type;
477                 val.data_length = data_size;
478                 val.data = NULL;
479                 if (val.data_length) {
480                         val.data = talloc(enum_values, DATA_BLOB);
481                         if (val.data == NULL) {
482                                 result = WERR_NOMEM;
483                                 goto error;
484                         }
485                         *val.data = data_blob_talloc(enum_values, data, data_size);
486                 }
487
488                 enum_values[i] = val;
489         }
490
491         *pnum_values = num_values;
492         if (penum_values) {
493                 *penum_values = talloc_move(mem_ctx, &enum_values);
494         }
495
496         result = WERR_OK;
497
498  error:
499         TALLOC_FREE(tmp_ctx);
500         return result;
501 }
502
503 /**
504  * @internal
505  *
506  * @brief Enumerate subkeys of an opened key handle and get the names.
507  *
508  * @param[in]  mem_ctx  The memory context to use.
509  *
510  * @param[in]  pipe_handle The pipe handle for the rpc connection.
511  *
512  * @param[in]  key_hnd  The opened key handle.
513  *
514  * @param[in]  pnum_subkeys A pointer to store the number of found subkeys.
515  *
516  * @param[in]  psubkeys A pointer to an array to store the found names of
517  *                      subkeys.
518  *
519  * @return                   WERR_OK on success, the corresponding DOS error
520  *                           code if something gone wrong.
521  */
522 static WERROR winreg_printer_enumkeys(TALLOC_CTX *mem_ctx,
523                                       struct rpc_pipe_client *pipe_handle,
524                                       struct policy_handle *key_hnd,
525                                       uint32_t *pnum_subkeys,
526                                       const char ***psubkeys)
527 {
528         TALLOC_CTX *tmp_ctx;
529         const char **subkeys;
530         uint32_t num_subkeys, max_subkeylen, max_classlen;
531         uint32_t num_values, max_valnamelen, max_valbufsize;
532         uint32_t i;
533         NTTIME last_changed_time;
534         uint32_t secdescsize;
535         struct winreg_String classname;
536         WERROR result = WERR_OK;
537         NTSTATUS status;
538
539         tmp_ctx = talloc_new(mem_ctx);
540         if (tmp_ctx == NULL) {
541                 return WERR_NOMEM;
542         }
543
544         ZERO_STRUCT(classname);
545
546         status = rpccli_winreg_QueryInfoKey(pipe_handle,
547                                             tmp_ctx,
548                                             key_hnd,
549                                             &classname,
550                                             &num_subkeys,
551                                             &max_subkeylen,
552                                             &max_classlen,
553                                             &num_values,
554                                             &max_valnamelen,
555                                             &max_valbufsize,
556                                             &secdescsize,
557                                             &last_changed_time,
558                                             &result);
559         if (!NT_STATUS_IS_OK(status)) {
560                 DEBUG(0, ("winreg_printer_enumkeys: Could not query info: %s\n",
561                           nt_errstr(status)));
562                 if (!W_ERROR_IS_OK(result)) {
563                         goto error;
564                 }
565                 result = ntstatus_to_werror(status);
566                 goto error;
567         }
568
569         subkeys = talloc_zero_array(tmp_ctx, const char *, num_subkeys + 2);
570         if (subkeys == NULL) {
571                 result = WERR_NOMEM;
572                 goto error;
573         }
574
575         if (num_subkeys == 0) {
576                 subkeys[0] = talloc_strdup(subkeys, "");
577                 if (subkeys[0] == NULL) {
578                         result = WERR_NOMEM;
579                         goto error;
580                 }
581                 *pnum_subkeys = 0;
582                 if (psubkeys) {
583                         *psubkeys = talloc_move(mem_ctx, &subkeys);
584                 }
585
586                 TALLOC_FREE(tmp_ctx);
587                 return WERR_OK;
588         }
589
590         for (i = 0; i < num_subkeys; i++) {
591                 char c = '\0';
592                 char n = '\0';
593                 char *name = NULL;
594                 struct winreg_StringBuf class_buf;
595                 struct winreg_StringBuf name_buf;
596                 NTTIME modtime;
597
598                 class_buf.name = &c;
599                 class_buf.size = max_classlen + 2;
600                 class_buf.length = 0;
601
602                 name_buf.name = &n;
603                 name_buf.size = max_subkeylen + 2;
604                 name_buf.length = 0;
605
606                 ZERO_STRUCT(modtime);
607
608                 status = rpccli_winreg_EnumKey(pipe_handle,
609                                                tmp_ctx,
610                                                key_hnd,
611                                                i,
612                                                &name_buf,
613                                                &class_buf,
614                                                &modtime,
615                                                &result);
616                 if (W_ERROR_EQUAL(result, WERR_NO_MORE_ITEMS) ) {
617                         result = WERR_OK;
618                         status = NT_STATUS_OK;
619                         break;
620                 }
621
622                 if (!NT_STATUS_IS_OK(status)) {
623                         DEBUG(0, ("winreg_printer_enumkeys: Could not enumerate keys: %s\n",
624                                   nt_errstr(status)));
625                         if (!W_ERROR_IS_OK(result)) {
626                                 goto error;
627                         }
628                         result = ntstatus_to_werror(status);
629                         goto error;
630                 }
631
632                 if (name_buf.name == NULL) {
633                         result = WERR_INVALID_PARAMETER;
634                         goto error;
635                 }
636
637                 name = talloc_strdup(subkeys, name_buf.name);
638                 if (name == NULL) {
639                         result = WERR_NOMEM;
640                         goto error;
641                 }
642
643                 subkeys[i] = name;
644         }
645
646         *pnum_subkeys = num_subkeys;
647         if (psubkeys) {
648                 *psubkeys = talloc_move(mem_ctx, &subkeys);
649         }
650
651  error:
652         TALLOC_FREE(tmp_ctx);
653         return result;
654 }
655
656 /**
657  * @internal
658  *
659  * @brief A function to delete a key and its subkeys recurively.
660  *
661  * @param[in]  mem_ctx  The memory context to use.
662  *
663  * @param[in]  pipe_handle The pipe handle for the rpc connection.
664  *
665  * @param[in]  hive_handle A opened hive handle to the key.
666  *
667  * @param[in]  access_mask The access mask to access the key.
668  *
669  * @param[in]  key      The key to delete
670  *
671  * @return              WERR_OK on success, the corresponding DOS error
672  *                      code if something gone wrong.
673  */
674 static WERROR winreg_printer_delete_subkeys(TALLOC_CTX *mem_ctx,
675                                             struct rpc_pipe_client *pipe_handle,
676                                             struct policy_handle *hive_handle,
677                                             uint32_t access_mask,
678                                             const char *key)
679 {
680         const char **subkeys = NULL;
681         uint32_t num_subkeys = 0;
682         struct policy_handle key_hnd;
683         struct winreg_String wkey;
684         WERROR result = WERR_OK;
685         NTSTATUS status;
686         uint32_t i;
687
688         ZERO_STRUCT(key_hnd);
689         wkey.name = key;
690
691         DEBUG(2, ("winreg_printer_delete_subkeys: delete key %s\n", key));
692         /* open the key */
693         status = rpccli_winreg_OpenKey(pipe_handle,
694                                        mem_ctx,
695                                        hive_handle,
696                                        wkey,
697                                        0,
698                                        access_mask,
699                                        &key_hnd,
700                                        &result);
701         if (!NT_STATUS_IS_OK(status)) {
702                 DEBUG(0, ("winreg_printer_delete_subkeys: Could not open key %s: %s\n",
703                           wkey.name, nt_errstr(status)));
704                 if (!W_ERROR_IS_OK(result)) {
705                         return result;
706                 }
707                 return ntstatus_to_werror(status);
708         }
709
710         result = winreg_printer_enumkeys(mem_ctx,
711                                          pipe_handle,
712                                          &key_hnd,
713                                          &num_subkeys,
714                                          &subkeys);
715         if (!W_ERROR_IS_OK(result)) {
716                 goto done;
717         }
718
719         for (i = 0; i < num_subkeys; i++) {
720                 /* create key + subkey */
721                 char *subkey = talloc_asprintf(mem_ctx, "%s\\%s", key, subkeys[i]);
722                 if (subkey == NULL) {
723                         goto done;
724                 }
725
726                 DEBUG(2, ("winreg_printer_delete_subkeys: delete subkey %s\n", subkey));
727                 result = winreg_printer_delete_subkeys(mem_ctx,
728                                                        pipe_handle,
729                                                        hive_handle,
730                                                        access_mask,
731                                                        subkey);
732                 if (!W_ERROR_IS_OK(result)) {
733                         goto done;
734                 }
735         }
736
737         if (is_valid_policy_hnd(&key_hnd)) {
738                 rpccli_winreg_CloseKey(pipe_handle, mem_ctx, &key_hnd, NULL);
739         }
740
741         wkey.name = key;
742
743         status = rpccli_winreg_DeleteKey(pipe_handle,
744                                          mem_ctx,
745                                          hive_handle,
746                                          wkey,
747                                          &result);
748
749 done:
750         if (is_valid_policy_hnd(&key_hnd)) {
751                 rpccli_winreg_CloseKey(pipe_handle, mem_ctx, &key_hnd, NULL);
752         }
753
754         return result;
755 }
756
757 static WERROR winreg_printer_write_sz(TALLOC_CTX *mem_ctx,
758                                       struct rpc_pipe_client *pipe_handle,
759                                       struct policy_handle *key_handle,
760                                       const char *value,
761                                       const char *data)
762 {
763         struct winreg_String wvalue;
764         DATA_BLOB blob;
765         WERROR result = WERR_OK;
766         NTSTATUS status;
767
768         wvalue.name = value;
769         if (data == NULL) {
770                 blob = data_blob_string_const("");
771         } else {
772                 if (!push_reg_sz(mem_ctx, NULL, &blob, data)) {
773                         DEBUG(0, ("winreg_printer_write_sz: Could not marshall string %s for %s\n",
774                                 data, wvalue.name));
775                         return WERR_NOMEM;
776                 }
777         }
778         status = rpccli_winreg_SetValue(pipe_handle,
779                                         mem_ctx,
780                                         key_handle,
781                                         wvalue,
782                                         REG_SZ,
783                                         blob.data,
784                                         blob.length,
785                                         &result);
786         if (!NT_STATUS_IS_OK(status)) {
787                 DEBUG(0, ("winreg_printer_write_sz: Could not set value %s: %s\n",
788                         wvalue.name, win_errstr(result)));
789                 if (!W_ERROR_IS_OK(result)) {
790                         result = ntstatus_to_werror(status);
791                 }
792         }
793
794         return result;
795 }
796
797 static WERROR winreg_printer_write_dword(TALLOC_CTX *mem_ctx,
798                                          struct rpc_pipe_client *pipe_handle,
799                                          struct policy_handle *key_handle,
800                                          const char *value,
801                                          uint32_t data)
802 {
803         struct winreg_String wvalue;
804         DATA_BLOB blob;
805         WERROR result = WERR_OK;
806         NTSTATUS status;
807
808         wvalue.name = value;
809         blob = data_blob_talloc(mem_ctx, NULL, 4);
810         SIVAL(blob.data, 0, data);
811
812         status = rpccli_winreg_SetValue(pipe_handle,
813                                         mem_ctx,
814                                         key_handle,
815                                         wvalue,
816                                         REG_DWORD,
817                                         blob.data,
818                                         blob.length,
819                                         &result);
820         if (!NT_STATUS_IS_OK(status)) {
821                 DEBUG(0, ("winreg_printer_write_dword: Could not set value %s: %s\n",
822                         wvalue.name, win_errstr(result)));
823                 if (!W_ERROR_IS_OK(result)) {
824                         result = ntstatus_to_werror(status);
825                 }
826         }
827
828         return result;
829 }
830
831 static WERROR winreg_printer_write_binary(TALLOC_CTX *mem_ctx,
832                                           struct rpc_pipe_client *pipe_handle,
833                                           struct policy_handle *key_handle,
834                                           const char *value,
835                                           DATA_BLOB blob)
836 {
837         struct winreg_String wvalue;
838         WERROR result = WERR_OK;
839         NTSTATUS status;
840
841         wvalue.name = value;
842         status = rpccli_winreg_SetValue(pipe_handle,
843                                         mem_ctx,
844                                         key_handle,
845                                         wvalue,
846                                         REG_BINARY,
847                                         blob.data,
848                                         blob.length,
849                                         &result);
850         if (!NT_STATUS_IS_OK(status)) {
851                 DEBUG(0, ("winreg_printer_write_binary: Could not set value %s: %s\n",
852                         wvalue.name, win_errstr(result)));
853                 if (!W_ERROR_IS_OK(result)) {
854                         result = ntstatus_to_werror(status);
855                 }
856         }
857
858         return result;
859 }
860
861 static WERROR winreg_printer_query_dword(TALLOC_CTX *mem_ctx,
862                                          struct rpc_pipe_client *pipe_handle,
863                                          struct policy_handle *key_handle,
864                                          const char *value,
865                                          uint32_t *data)
866 {
867         struct winreg_String wvalue;
868         enum winreg_Type type;
869         WERROR result = WERR_OK;
870         uint32_t value_len = 0;
871         NTSTATUS status;
872         DATA_BLOB blob;
873
874         wvalue.name = value;
875         status = rpccli_winreg_QueryValue(pipe_handle,
876                                           mem_ctx,
877                                           key_handle,
878                                           &wvalue,
879                                           &type,
880                                           NULL,
881                                           (uint32_t *) &blob.length,
882                                           &value_len,
883                                           &result);
884         if (!NT_STATUS_IS_OK(status)) {
885                 DEBUG(0, ("winreg_printer_query_dword: Could not query value %s: %s\n",
886                           wvalue.name, nt_errstr(status)));
887                 if (!W_ERROR_IS_OK(result)) {
888                         goto done;
889                 }
890                 result = ntstatus_to_werror(status);
891                 goto done;
892         }
893
894         if (type != REG_DWORD) {
895                 result = WERR_INVALID_DATATYPE;
896                 goto done;
897         }
898
899         if (blob.length != 4) {
900                 result = WERR_INVALID_DATA;
901                 goto done;
902         }
903
904         blob.data = (uint8_t *) TALLOC(mem_ctx, blob.length);
905         if (blob.data == NULL) {
906                 result = WERR_NOMEM;
907                 goto done;
908         }
909         value_len = 0;
910
911         status = rpccli_winreg_QueryValue(pipe_handle,
912                                           mem_ctx,
913                                           key_handle,
914                                           &wvalue,
915                                           &type,
916                                           blob.data,
917                                           (uint32_t *) &blob.length,
918                                           &value_len,
919                                           &result);
920         if (!NT_STATUS_IS_OK(status)) {
921                 DEBUG(0, ("winreg_printer_query_dword: Could not query value %s: %s\n",
922                           wvalue.name, nt_errstr(status)));
923                 if (!W_ERROR_IS_OK(result)) {
924                         result = ntstatus_to_werror(status);
925                 }
926                 goto done;
927         }
928
929         if (data) {
930                 *data = IVAL(blob.data, 0);
931         }
932 done:
933         return result;
934 }
935
936 static WERROR winreg_printer_write_multi_sz(TALLOC_CTX *mem_ctx,
937                                             struct rpc_pipe_client *pipe_handle,
938                                             struct policy_handle *key_handle,
939                                             const char *value,
940                                             const char **data)
941 {
942         struct winreg_String wvalue;
943         DATA_BLOB blob;
944         WERROR result = WERR_OK;
945         NTSTATUS status;
946
947         wvalue.name = value;
948         if (!push_reg_multi_sz(mem_ctx, NULL, &blob, data)) {
949                 return WERR_NOMEM;
950         }
951         status = rpccli_winreg_SetValue(pipe_handle,
952                                         mem_ctx,
953                                         key_handle,
954                                         wvalue,
955                                         REG_MULTI_SZ,
956                                         blob.data,
957                                         blob.length,
958                                         &result);
959         if (!NT_STATUS_IS_OK(status)) {
960                 DEBUG(0, ("winreg_printer_write_multi_sz: Could not set value %s: %s\n",
961                         wvalue.name, win_errstr(result)));
962                 if (!W_ERROR_IS_OK(result)) {
963                         result = ntstatus_to_werror(status);
964                 }
965         }
966
967         return result;
968 }
969
970 static WERROR winreg_printer_opendriver(TALLOC_CTX *mem_ctx,
971                                         struct auth_serversupplied_info *server_info,
972                                         const char *drivername,
973                                         const char *architecture,
974                                         uint32_t version,
975                                         uint32_t access_mask,
976                                         bool create,
977                                         struct rpc_pipe_client **winreg_pipe,
978                                         struct policy_handle *hive_hnd,
979                                         struct policy_handle *key_hnd)
980 {
981         WERROR result;
982         char *key_name;
983
984         key_name = talloc_asprintf(mem_ctx, "%s\\Environments\\%s\\Drivers\\Version-%u",
985                                    TOP_LEVEL_CONTROL_KEY,
986                                    architecture, version);
987         if (!key_name) {
988                 return WERR_NOMEM;
989         }
990
991         result = winreg_printer_openkey(mem_ctx,
992                                         server_info,
993                                         winreg_pipe,
994                                         key_name,
995                                         drivername,
996                                         create,
997                                         access_mask,
998                                         hive_hnd,
999                                         key_hnd);
1000         return result;
1001 }
1002
1003 static WERROR winreg_enumval_to_dword(TALLOC_CTX *mem_ctx,
1004                                       struct spoolss_PrinterEnumValues *v,
1005                                       const char *valuename, uint32_t *dw)
1006 {
1007         /* just return if it is not the one we are looking for */
1008         if (strcmp(valuename, v->value_name) != 0) {
1009                 return WERR_NOT_FOUND;
1010         }
1011
1012         if (v->type != REG_DWORD) {
1013                 return WERR_INVALID_DATATYPE;
1014         }
1015
1016         *dw = IVAL(v->data->data, 0);
1017         return WERR_OK;
1018 }
1019
1020 static WERROR winreg_enumval_to_sz(TALLOC_CTX *mem_ctx,
1021                                    struct spoolss_PrinterEnumValues *v,
1022                                    const char *valuename, const char **_str)
1023 {
1024         /* just return if it is not the one we are looking for */
1025         if (strcmp(valuename, v->value_name) != 0) {
1026                 return WERR_NOT_FOUND;
1027         }
1028
1029         if (v->type != REG_SZ) {
1030                 return WERR_INVALID_DATATYPE;
1031         }
1032
1033         if (!pull_reg_sz(mem_ctx, NULL, v->data, _str)) {
1034                 return WERR_NOMEM;
1035         }
1036
1037         return WERR_OK;
1038 }
1039
1040 static WERROR winreg_enumval_to_multi_sz(TALLOC_CTX *mem_ctx,
1041                                          struct spoolss_PrinterEnumValues *v,
1042                                          const char *valuename,
1043                                          const char ***array)
1044 {
1045         /* just return if it is not the one we are looking for */
1046         if (strcmp(valuename, v->value_name) != 0) {
1047                 return WERR_NOT_FOUND;
1048         }
1049
1050         if (v->type != REG_MULTI_SZ) {
1051                 return WERR_INVALID_DATATYPE;
1052         }
1053
1054         if (!pull_reg_multi_sz(mem_ctx, NULL, v->data, array)) {
1055                 return WERR_NOMEM;
1056         }
1057
1058         return WERR_OK;
1059 }
1060
1061 /********************************************************************
1062  Public winreg function for spoolss
1063 ********************************************************************/
1064
1065 /* Set printer data over the winreg pipe. */
1066 WERROR winreg_set_printer_dataex(TALLOC_CTX *mem_ctx,
1067                                  struct auth_serversupplied_info *server_info,
1068                                  const char *printer,
1069                                  const char *key,
1070                                  const char *value,
1071                                  enum winreg_Type type,
1072                                  uint8_t *data,
1073                                  uint32_t data_size)
1074 {
1075         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1076         struct rpc_pipe_client *winreg_pipe = NULL;
1077         struct policy_handle hive_hnd, key_hnd;
1078         struct winreg_String wvalue;
1079         char *path;
1080         WERROR result = WERR_OK;
1081         NTSTATUS status;
1082         TALLOC_CTX *tmp_ctx;
1083
1084         tmp_ctx = talloc_new(mem_ctx);
1085         if (tmp_ctx == NULL) {
1086                 return WERR_NOMEM;
1087         }
1088
1089         path = winreg_printer_data_keyname(tmp_ctx, printer);
1090         if (path == NULL) {
1091                 TALLOC_FREE(tmp_ctx);
1092                 return WERR_NOMEM;
1093         }
1094
1095         ZERO_STRUCT(hive_hnd);
1096         ZERO_STRUCT(key_hnd);
1097
1098         DEBUG(8, ("winreg_set_printer_dataex: Open printer key %s, value %s, access_mask: 0x%05x for [%s]\n",
1099                         key, value, access_mask, printer));
1100         result = winreg_printer_openkey(tmp_ctx,
1101                                         server_info,
1102                                         &winreg_pipe,
1103                                         path,
1104                                         key,
1105                                         true,
1106                                         access_mask,
1107                                         &hive_hnd,
1108                                         &key_hnd);
1109         if (!W_ERROR_IS_OK(result)) {
1110                 DEBUG(0, ("winreg_set_printer_dataex: Could not open key %s: %s\n",
1111                           key, win_errstr(result)));
1112                 goto done;
1113         }
1114
1115         wvalue.name = value;
1116         status = rpccli_winreg_SetValue(winreg_pipe,
1117                                         tmp_ctx,
1118                                         &key_hnd,
1119                                         wvalue,
1120                                         type,
1121                                         data,
1122                                         data_size,
1123                                         &result);
1124         if (!NT_STATUS_IS_OK(status)) {
1125                 DEBUG(0, ("winreg_set_printer_dataex: Could not set value %s: %s\n",
1126                           value, nt_errstr(status)));
1127                 if (!W_ERROR_IS_OK(result)) {
1128                         goto done;
1129                 }
1130                 result = ntstatus_to_werror(status);
1131                 goto done;
1132         }
1133
1134         result = WERR_OK;
1135 done:
1136         if (winreg_pipe != NULL) {
1137                 if (is_valid_policy_hnd(&key_hnd)) {
1138                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1139                 }
1140                 if (is_valid_policy_hnd(&hive_hnd)) {
1141                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1142                 }
1143         }
1144
1145         TALLOC_FREE(tmp_ctx);
1146         return result;
1147 }
1148
1149 /* Get printer data over a winreg pipe. */
1150 WERROR winreg_get_printer_dataex(TALLOC_CTX *mem_ctx,
1151                                  struct auth_serversupplied_info *server_info,
1152                                  const char *printer,
1153                                  const char *key,
1154                                  const char *value,
1155                                  enum winreg_Type *type,
1156                                  uint8_t **data,
1157                                  uint32_t *data_size)
1158 {
1159         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1160         struct rpc_pipe_client *winreg_pipe = NULL;
1161         struct policy_handle hive_hnd, key_hnd;
1162         struct winreg_String wvalue;
1163         enum winreg_Type type_in;
1164         char *path;
1165         uint8_t *data_in;
1166         uint32_t data_in_size = 0;
1167         uint32_t value_len = 0;
1168         WERROR result = WERR_OK;
1169         NTSTATUS status;
1170         TALLOC_CTX *tmp_ctx;
1171
1172         tmp_ctx = talloc_new(mem_ctx);
1173         if (tmp_ctx == NULL) {
1174                 return WERR_NOMEM;
1175         }
1176
1177         path = winreg_printer_data_keyname(tmp_ctx, printer);
1178         if (path == NULL) {
1179                 TALLOC_FREE(tmp_ctx);
1180                 return WERR_NOMEM;
1181         }
1182
1183         ZERO_STRUCT(hive_hnd);
1184         ZERO_STRUCT(key_hnd);
1185
1186         result = winreg_printer_openkey(tmp_ctx,
1187                                         server_info,
1188                                         &winreg_pipe,
1189                                         path,
1190                                         key,
1191                                         false,
1192                                         access_mask,
1193                                         &hive_hnd,
1194                                         &key_hnd);
1195         if (!W_ERROR_IS_OK(result)) {
1196                 DEBUG(0, ("winreg_get_printer_dataex: Could not open key %s: %s\n",
1197                           key, win_errstr(result)));
1198                 goto done;
1199         }
1200
1201         wvalue.name = value;
1202
1203         /*
1204          * call QueryValue once with data == NULL to get the
1205          * needed memory size to be allocated, then allocate
1206          * data buffer and call again.
1207          */
1208         status = rpccli_winreg_QueryValue(winreg_pipe,
1209                                           tmp_ctx,
1210                                           &key_hnd,
1211                                           &wvalue,
1212                                           &type_in,
1213                                           NULL,
1214                                           &data_in_size,
1215                                           &value_len,
1216                                           &result);
1217         if (!NT_STATUS_IS_OK(status)) {
1218                 DEBUG(0, ("winreg_get_printer_dataex: Could not query value %s: %s\n",
1219                           value, nt_errstr(status)));
1220                 if (!W_ERROR_IS_OK(result)) {
1221                         goto done;
1222                 }
1223                 result = ntstatus_to_werror(status);
1224                 goto done;
1225         }
1226
1227         data_in = (uint8_t *) TALLOC(tmp_ctx, data_in_size);
1228         if (data_in == NULL) {
1229                 result = WERR_NOMEM;
1230                 goto done;
1231         }
1232         value_len = 0;
1233
1234         status = rpccli_winreg_QueryValue(winreg_pipe,
1235                                           tmp_ctx,
1236                                           &key_hnd,
1237                                           &wvalue,
1238                                           &type_in,
1239                                           data_in,
1240                                           &data_in_size,
1241                                           &value_len,
1242                                           &result);
1243         if (!NT_STATUS_IS_OK(status)) {
1244                 DEBUG(0, ("winreg_get_printer_dataex: Could not query value %s: %s\n",
1245                           value, nt_errstr(status)));
1246                 if (!W_ERROR_IS_OK(result)) {
1247                         result = ntstatus_to_werror(status);
1248                 }
1249                 goto done;
1250         }
1251
1252         *type = type_in;
1253         *data_size = data_in_size;
1254         if (data_in_size) {
1255                 *data = talloc_move(mem_ctx, &data_in);
1256         }
1257
1258         result = WERR_OK;
1259 done:
1260         if (winreg_pipe != NULL) {
1261                 if (is_valid_policy_hnd(&key_hnd)) {
1262                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1263                 }
1264                 if (is_valid_policy_hnd(&hive_hnd)) {
1265                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1266                 }
1267         }
1268
1269         TALLOC_FREE(tmp_ctx);
1270         return result;
1271 }
1272
1273 /* Enumerate on the values of a given key and provide the data. */
1274 WERROR winreg_enum_printer_dataex(TALLOC_CTX *mem_ctx,
1275                                   struct auth_serversupplied_info *server_info,
1276                                   const char *printer,
1277                                   const char *key,
1278                                   uint32_t *pnum_values,
1279                                   struct spoolss_PrinterEnumValues **penum_values)
1280 {
1281         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1282         struct rpc_pipe_client *winreg_pipe = NULL;
1283         struct policy_handle hive_hnd, key_hnd;
1284
1285         struct spoolss_PrinterEnumValues *enum_values = NULL;
1286         uint32_t num_values = 0;
1287         char *path;
1288         WERROR result = WERR_OK;
1289
1290         TALLOC_CTX *tmp_ctx;
1291
1292         tmp_ctx = talloc_new(mem_ctx);
1293         if (tmp_ctx == NULL) {
1294                 return WERR_NOMEM;
1295         }
1296
1297         path = winreg_printer_data_keyname(tmp_ctx, printer);
1298         if (path == NULL) {
1299                 TALLOC_FREE(tmp_ctx);
1300                 return WERR_NOMEM;
1301         }
1302
1303         result = winreg_printer_openkey(tmp_ctx,
1304                                         server_info,
1305                                         &winreg_pipe,
1306                                         path,
1307                                         key,
1308                                         false,
1309                                         access_mask,
1310                                         &hive_hnd,
1311                                         &key_hnd);
1312         if (!W_ERROR_IS_OK(result)) {
1313                 DEBUG(0, ("winreg_enum_printer_dataex: Could not open key %s: %s\n",
1314                           key, win_errstr(result)));
1315                 goto done;
1316         }
1317
1318         result = winreg_printer_enumvalues(tmp_ctx,
1319                                            winreg_pipe,
1320                                            &key_hnd,
1321                                            &num_values,
1322                                            &enum_values);
1323         if (!W_ERROR_IS_OK(result)) {
1324                 DEBUG(0, ("winreg_enum_printer_dataex: Could not enumerate values in %s: %s\n",
1325                           key, win_errstr(result)));
1326                 goto done;
1327         }
1328
1329         *pnum_values = num_values;
1330         if (penum_values) {
1331                 *penum_values = talloc_move(mem_ctx, &enum_values);
1332         }
1333
1334         result = WERR_OK;
1335 done:
1336         if (winreg_pipe != NULL) {
1337                 if (is_valid_policy_hnd(&key_hnd)) {
1338                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1339                 }
1340                 if (is_valid_policy_hnd(&hive_hnd)) {
1341                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1342                 }
1343         }
1344
1345         TALLOC_FREE(tmp_ctx);
1346         return result;
1347 }
1348
1349 /* Delete printer data over a winreg pipe. */
1350 WERROR winreg_delete_printer_dataex(TALLOC_CTX *mem_ctx,
1351                                     struct auth_serversupplied_info *server_info,
1352                                     const char *printer,
1353                                     const char *key,
1354                                     const char *value)
1355 {
1356         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1357         struct rpc_pipe_client *winreg_pipe = NULL;
1358         struct policy_handle hive_hnd, key_hnd;
1359         struct winreg_String wvalue;
1360         char *path;
1361         WERROR result = WERR_OK;
1362         NTSTATUS status;
1363
1364         TALLOC_CTX *tmp_ctx;
1365
1366         tmp_ctx = talloc_new(mem_ctx);
1367         if (tmp_ctx == NULL) {
1368                 return WERR_NOMEM;
1369         }
1370
1371         path = winreg_printer_data_keyname(tmp_ctx, printer);
1372         if (path == NULL) {
1373                 TALLOC_FREE(tmp_ctx);
1374                 return WERR_NOMEM;
1375         }
1376
1377         ZERO_STRUCT(hive_hnd);
1378         ZERO_STRUCT(key_hnd);
1379
1380         result = winreg_printer_openkey(tmp_ctx,
1381                                         server_info,
1382                                         &winreg_pipe,
1383                                         path,
1384                                         key,
1385                                         false,
1386                                         access_mask,
1387                                         &hive_hnd,
1388                                         &key_hnd);
1389         if (!W_ERROR_IS_OK(result)) {
1390                 DEBUG(0, ("winreg_delete_printer_dataex: Could not open key %s: %s\n",
1391                           key, win_errstr(result)));
1392                 goto done;
1393         }
1394
1395         wvalue.name = value;
1396         status = rpccli_winreg_DeleteValue(winreg_pipe,
1397                                            tmp_ctx,
1398                                            &key_hnd,
1399                                            wvalue,
1400                                            &result);
1401         if (!NT_STATUS_IS_OK(status)) {
1402                 DEBUG(0, ("winreg_delete_printer_dataex: Could not delete value %s: %s\n",
1403                           value, nt_errstr(status)));
1404                 if (!W_ERROR_IS_OK(result)) {
1405                         goto done;
1406                 }
1407                 result = ntstatus_to_werror(status);
1408                 goto done;
1409         }
1410
1411         result = WERR_OK;
1412 done:
1413         if (winreg_pipe != NULL) {
1414                 if (is_valid_policy_hnd(&key_hnd)) {
1415                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1416                 }
1417                 if (is_valid_policy_hnd(&hive_hnd)) {
1418                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1419                 }
1420         }
1421
1422         TALLOC_FREE(tmp_ctx);
1423         return result;
1424 }
1425
1426 /* Enumerate on the subkeys of a given key and provide the data. */
1427 WERROR winreg_enum_printer_key(TALLOC_CTX *mem_ctx,
1428                                struct auth_serversupplied_info *server_info,
1429                                const char *printer,
1430                                const char *key,
1431                                uint32_t *pnum_subkeys,
1432                                const char ***psubkeys)
1433 {
1434         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1435         struct rpc_pipe_client *winreg_pipe = NULL;
1436         struct policy_handle hive_hnd, key_hnd;
1437         char *path;
1438         const char **subkeys = NULL;
1439         uint32_t num_subkeys = -1;
1440
1441         WERROR result = WERR_OK;
1442
1443         TALLOC_CTX *tmp_ctx;
1444
1445         tmp_ctx = talloc_new(mem_ctx);
1446         if (tmp_ctx == NULL) {
1447                 return WERR_NOMEM;
1448         }
1449
1450         path = winreg_printer_data_keyname(tmp_ctx, printer);
1451         if (path == NULL) {
1452                 TALLOC_FREE(tmp_ctx);
1453                 return WERR_NOMEM;
1454         }
1455
1456         ZERO_STRUCT(hive_hnd);
1457         ZERO_STRUCT(key_hnd);
1458
1459         result = winreg_printer_openkey(tmp_ctx,
1460                                         server_info,
1461                                         &winreg_pipe,
1462                                         path,
1463                                         key,
1464                                         false,
1465                                         access_mask,
1466                                         &hive_hnd,
1467                                         &key_hnd);
1468         if (!W_ERROR_IS_OK(result)) {
1469                 DEBUG(0, ("winreg_enum_printer_key: Could not open key %s: %s\n",
1470                           key, win_errstr(result)));
1471                 goto done;
1472         }
1473
1474         result = winreg_printer_enumkeys(tmp_ctx,
1475                                          winreg_pipe,
1476                                          &key_hnd,
1477                                          &num_subkeys,
1478                                          &subkeys);
1479         if (!W_ERROR_IS_OK(result)) {
1480                 DEBUG(0, ("winreg_enum_printer_key: Could not enumerate subkeys in %s: %s\n",
1481                           key, win_errstr(result)));
1482                 goto done;
1483         }
1484
1485         *pnum_subkeys = num_subkeys;
1486         if (psubkeys) {
1487                 *psubkeys = talloc_move(mem_ctx, &subkeys);
1488         }
1489
1490         result = WERR_OK;
1491 done:
1492         if (winreg_pipe != NULL) {
1493                 if (is_valid_policy_hnd(&key_hnd)) {
1494                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1495                 }
1496                 if (is_valid_policy_hnd(&hive_hnd)) {
1497                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1498                 }
1499         }
1500
1501         TALLOC_FREE(tmp_ctx);
1502         return result;
1503 }
1504
1505 /* Delete a key with subkeys of a given printer. */
1506 WERROR winreg_delete_printer_key(TALLOC_CTX *mem_ctx,
1507                                  struct auth_serversupplied_info *server_info,
1508                                  const char *printer,
1509                                  const char *key)
1510 {
1511         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1512         struct rpc_pipe_client *winreg_pipe = NULL;
1513         struct policy_handle hive_hnd, key_hnd;
1514         char *keyname;
1515         char *path;
1516         WERROR result;
1517         TALLOC_CTX *tmp_ctx;
1518
1519         tmp_ctx = talloc_new(mem_ctx);
1520         if (tmp_ctx == NULL) {
1521                 return WERR_NOMEM;
1522         }
1523
1524         path = winreg_printer_data_keyname(tmp_ctx, printer);
1525         if (path == NULL) {
1526                 TALLOC_FREE(tmp_ctx);
1527                 return WERR_NOMEM;
1528         }
1529
1530         result = winreg_printer_openkey(tmp_ctx,
1531                                         server_info,
1532                                         &winreg_pipe,
1533                                         path,
1534                                         key,
1535                                         false,
1536                                         access_mask,
1537                                         &hive_hnd,
1538                                         &key_hnd);
1539         if (!W_ERROR_IS_OK(result)) {
1540                 /* key doesn't exist */
1541                 if (W_ERROR_EQUAL(result, WERR_BADFILE)) {
1542                         result = WERR_OK;
1543                         goto done;
1544                 }
1545
1546                 DEBUG(0, ("winreg_delete_printer_key: Could not open key %s: %s\n",
1547                           key, win_errstr(result)));
1548                 goto done;
1549         }
1550
1551         if (is_valid_policy_hnd(&key_hnd)) {
1552                 rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1553         }
1554
1555         keyname = talloc_asprintf(tmp_ctx,
1556                                   "%s\\%s",
1557                                   path,
1558                                   key);
1559         if (keyname == NULL) {
1560                 result = WERR_NOMEM;
1561                 goto done;
1562         }
1563
1564         result = winreg_printer_delete_subkeys(tmp_ctx,
1565                                                winreg_pipe,
1566                                                &hive_hnd,
1567                                                access_mask,
1568                                                keyname);
1569         if (!W_ERROR_IS_OK(result)) {
1570                 DEBUG(0, ("winreg_delete_printer_key: Could not delete key %s: %s\n",
1571                           key, win_errstr(result)));
1572                 goto done;
1573         }
1574
1575 done:
1576         if (winreg_pipe != NULL) {
1577                 if (is_valid_policy_hnd(&key_hnd)) {
1578                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1579                 }
1580                 if (is_valid_policy_hnd(&hive_hnd)) {
1581                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1582                 }
1583         }
1584
1585         TALLOC_FREE(tmp_ctx);
1586         return result;
1587 }
1588
1589 WERROR winreg_printer_update_changeid(TALLOC_CTX *mem_ctx,
1590                                       struct auth_serversupplied_info *server_info,
1591                                       const char *printer)
1592 {
1593         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1594         struct rpc_pipe_client *winreg_pipe = NULL;
1595         struct policy_handle hive_hnd, key_hnd;
1596         char *path;
1597         WERROR result;
1598         TALLOC_CTX *tmp_ctx;
1599
1600         tmp_ctx = talloc_new(mem_ctx);
1601         if (tmp_ctx == NULL) {
1602                 return WERR_NOMEM;
1603         }
1604
1605         path = winreg_printer_data_keyname(tmp_ctx, printer);
1606         if (path == NULL) {
1607                 TALLOC_FREE(tmp_ctx);
1608                 return WERR_NOMEM;
1609         }
1610
1611         ZERO_STRUCT(hive_hnd);
1612         ZERO_STRUCT(key_hnd);
1613
1614         result = winreg_printer_openkey(tmp_ctx,
1615                                         server_info,
1616                                         &winreg_pipe,
1617                                         path,
1618                                         "",
1619                                         false,
1620                                         access_mask,
1621                                         &hive_hnd,
1622                                         &key_hnd);
1623         if (!W_ERROR_IS_OK(result)) {
1624                 DEBUG(0, ("winreg_printer_update_changeid: Could not open key %s: %s\n",
1625                           path, win_errstr(result)));
1626                 goto done;
1627         }
1628
1629         result = winreg_printer_write_dword(tmp_ctx,
1630                                             winreg_pipe,
1631                                             &key_hnd,
1632                                             "ChangeID",
1633                                             winreg_printer_rev_changeid());
1634         if (!W_ERROR_IS_OK(result)) {
1635                 goto done;
1636         }
1637
1638         result = WERR_OK;
1639 done:
1640         if (winreg_pipe != NULL) {
1641                 if (is_valid_policy_hnd(&key_hnd)) {
1642                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1643                 }
1644                 if (is_valid_policy_hnd(&hive_hnd)) {
1645                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1646                 }
1647         }
1648
1649         TALLOC_FREE(tmp_ctx);
1650         return result;
1651 }
1652
1653 WERROR winreg_printer_get_changeid(TALLOC_CTX *mem_ctx,
1654                                    struct auth_serversupplied_info *server_info,
1655                                    const char *printer,
1656                                    uint32_t *pchangeid)
1657 {
1658         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1659         struct rpc_pipe_client *winreg_pipe = NULL;
1660         struct policy_handle hive_hnd, key_hnd;
1661         uint32_t changeid = 0;
1662         char *path;
1663         WERROR result;
1664         TALLOC_CTX *tmp_ctx;
1665
1666         tmp_ctx = talloc_new(mem_ctx);
1667         if (tmp_ctx == NULL) {
1668                 return WERR_NOMEM;
1669         }
1670
1671         path = winreg_printer_data_keyname(tmp_ctx, printer);
1672         if (path == NULL) {
1673                 TALLOC_FREE(tmp_ctx);
1674                 return WERR_NOMEM;
1675         }
1676
1677         ZERO_STRUCT(hive_hnd);
1678         ZERO_STRUCT(key_hnd);
1679
1680         result = winreg_printer_openkey(tmp_ctx,
1681                                         server_info,
1682                                         &winreg_pipe,
1683                                         path,
1684                                         "",
1685                                         false,
1686                                         access_mask,
1687                                         &hive_hnd,
1688                                         &key_hnd);
1689         if (!W_ERROR_IS_OK(result)) {
1690                 DEBUG(0, ("winreg_printer_get_changeid: Could not open key %s: %s\n",
1691                           path, win_errstr(result)));
1692                 goto done;
1693         }
1694
1695         DEBUG(0, ("winreg_printer_get_changeid: get changeid from %s\n", path));
1696         result = winreg_printer_query_dword(tmp_ctx,
1697                                             winreg_pipe,
1698                                             &key_hnd,
1699                                             "ChangeID",
1700                                             &changeid);
1701         if (!W_ERROR_IS_OK(result)) {
1702                 goto done;
1703         }
1704
1705         if (pchangeid) {
1706                 *pchangeid = changeid;
1707         }
1708
1709         result = WERR_OK;
1710 done:
1711         if (winreg_pipe != NULL) {
1712                 if (is_valid_policy_hnd(&key_hnd)) {
1713                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1714                 }
1715                 if (is_valid_policy_hnd(&hive_hnd)) {
1716                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1717                 }
1718         }
1719
1720         TALLOC_FREE(tmp_ctx);
1721         return result;
1722 }
1723
1724 /*
1725  * The special behaviour of the spoolss forms is documented at the website:
1726  *
1727  * Managing Win32 Printserver Forms
1728  * http://unixwiz.net/techtips/winspooler-forms.html
1729  */
1730
1731 WERROR winreg_printer_addform1(TALLOC_CTX *mem_ctx,
1732                                struct auth_serversupplied_info *server_info,
1733                                struct spoolss_AddFormInfo1 *form)
1734 {
1735         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1736         struct rpc_pipe_client *winreg_pipe = NULL;
1737         struct policy_handle hive_hnd, key_hnd;
1738         struct winreg_String wvalue;
1739         DATA_BLOB blob;
1740         uint32_t num_info = 0;
1741         union spoolss_FormInfo *info = NULL;
1742         uint32_t i;
1743         WERROR result;
1744         NTSTATUS status;
1745         TALLOC_CTX *tmp_ctx;
1746
1747         tmp_ctx = talloc_new(mem_ctx);
1748         if (tmp_ctx == NULL) {
1749                 return WERR_NOMEM;
1750         }
1751
1752         ZERO_STRUCT(hive_hnd);
1753         ZERO_STRUCT(key_hnd);
1754
1755         result = winreg_printer_openkey(tmp_ctx,
1756                                         server_info,
1757                                         &winreg_pipe,
1758                                         TOP_LEVEL_CONTROL_FORMS_KEY,
1759                                         "",
1760                                         true,
1761                                         access_mask,
1762                                         &hive_hnd,
1763                                         &key_hnd);
1764         if (!W_ERROR_IS_OK(result)) {
1765                 DEBUG(0, ("winreg_printer_addform1: Could not open key %s: %s\n",
1766                           TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
1767                 goto done;
1768         }
1769
1770         result = winreg_printer_enumforms1(tmp_ctx, server_info, &num_info, &info);
1771         if (!W_ERROR_IS_OK(result)) {
1772                 DEBUG(0, ("winreg_printer_addform: Could not enum keys %s: %s\n",
1773                           TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
1774                 goto done;
1775         }
1776
1777         /* If form name already exists or is builtin return ALREADY_EXISTS */
1778         for (i = 0; i < num_info; i++) {
1779                 if (strequal(info[i].info1.form_name, form->form_name)) {
1780                         result = WERR_FILE_EXISTS;
1781                         goto done;
1782                 }
1783         }
1784
1785         wvalue.name = form->form_name;
1786
1787         blob = data_blob_talloc(tmp_ctx, NULL, 32);
1788         SIVAL(blob.data,  0, form->size.width);
1789         SIVAL(blob.data,  4, form->size.height);
1790         SIVAL(blob.data,  8, form->area.left);
1791         SIVAL(blob.data, 12, form->area.top);
1792         SIVAL(blob.data, 16, form->area.right);
1793         SIVAL(blob.data, 20, form->area.bottom);
1794         SIVAL(blob.data, 24, num_info + 1); /* FIXME */
1795         SIVAL(blob.data, 28, form->flags);
1796
1797         status = rpccli_winreg_SetValue(winreg_pipe,
1798                                         tmp_ctx,
1799                                         &key_hnd,
1800                                         wvalue,
1801                                         REG_BINARY,
1802                                         blob.data,
1803                                         blob.length,
1804                                         &result);
1805         if (!NT_STATUS_IS_OK(status)) {
1806                 DEBUG(0, ("winreg_printer_addform1: Could not set value %s: %s\n",
1807                           wvalue.name, nt_errstr(status)));
1808                 if (!W_ERROR_IS_OK(result)) {
1809                         goto done;
1810                 }
1811                 result = ntstatus_to_werror(status);
1812                 goto done;
1813         }
1814
1815         result = WERR_OK;
1816 done:
1817         if (winreg_pipe != NULL) {
1818                 if (is_valid_policy_hnd(&key_hnd)) {
1819                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1820                 }
1821                 if (is_valid_policy_hnd(&hive_hnd)) {
1822                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1823                 }
1824         }
1825
1826         TALLOC_FREE(info);
1827         TALLOC_FREE(tmp_ctx);
1828         return result;
1829 }
1830
1831 WERROR winreg_printer_enumforms1(TALLOC_CTX *mem_ctx,
1832                                  struct auth_serversupplied_info *server_info,
1833                                  uint32_t *pnum_info,
1834                                  union spoolss_FormInfo **pinfo)
1835 {
1836         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1837         struct rpc_pipe_client *winreg_pipe = NULL;
1838         struct policy_handle hive_hnd, key_hnd;
1839         union spoolss_FormInfo *info;
1840         struct spoolss_PrinterEnumValues *enum_values = NULL;
1841         uint32_t num_values = 0;
1842         uint32_t num_builtin = ARRAY_SIZE(builtin_forms1);
1843         uint32_t i;
1844         WERROR result;
1845         TALLOC_CTX *tmp_ctx;
1846
1847         tmp_ctx = talloc_new(mem_ctx);
1848         if (tmp_ctx == NULL) {
1849                 return WERR_NOMEM;
1850         }
1851
1852         ZERO_STRUCT(hive_hnd);
1853         ZERO_STRUCT(key_hnd);
1854
1855         result = winreg_printer_openkey(tmp_ctx,
1856                                         server_info,
1857                                         &winreg_pipe,
1858                                         TOP_LEVEL_CONTROL_FORMS_KEY,
1859                                         "",
1860                                         true,
1861                                         access_mask,
1862                                         &hive_hnd,
1863                                         &key_hnd);
1864         if (!W_ERROR_IS_OK(result)) {
1865                 /* key doesn't exist */
1866                 if (W_ERROR_EQUAL(result, WERR_BADFILE)) {
1867                         result = WERR_OK;
1868                         goto done;
1869                 }
1870
1871                 DEBUG(0, ("winreg_printer_enumforms1: Could not open key %s: %s\n",
1872                           TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
1873                 goto done;
1874         }
1875
1876         result = winreg_printer_enumvalues(tmp_ctx,
1877                                            winreg_pipe,
1878                                            &key_hnd,
1879                                            &num_values,
1880                                            &enum_values);
1881         if (!W_ERROR_IS_OK(result)) {
1882                 DEBUG(0, ("winreg_printer_enumforms1: Could not enumerate values in %s: %s\n",
1883                           TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
1884                 goto done;
1885         }
1886
1887         info = TALLOC_ARRAY(tmp_ctx, union spoolss_FormInfo, num_builtin + num_values);
1888         if (info == NULL) {
1889                 result = WERR_NOMEM;
1890                 goto done;
1891         }
1892
1893         /* Enumerate BUILTIN forms */
1894         for (i = 0; i < num_builtin; i++) {
1895                 info[i].info1 = builtin_forms1[i];
1896         }
1897
1898         /* Enumerate registry forms */
1899         for (i = 0; i < num_values; i++) {
1900                 union spoolss_FormInfo val;
1901
1902                 if (enum_values[i].type != REG_BINARY ||
1903                     enum_values[i].data_length != 32) {
1904                         continue;
1905                 }
1906
1907                 val.info1.form_name = talloc_strdup(info, enum_values[i].value_name);
1908                 if (val.info1.form_name == NULL) {
1909                         result = WERR_NOMEM;
1910                         goto done;
1911                 }
1912
1913                 val.info1.size.width  = IVAL(enum_values[i].data->data,  0);
1914                 val.info1.size.height = IVAL(enum_values[i].data->data,  4);
1915                 val.info1.area.left   = IVAL(enum_values[i].data->data,  8);
1916                 val.info1.area.top    = IVAL(enum_values[i].data->data, 12);
1917                 val.info1.area.right  = IVAL(enum_values[i].data->data, 16);
1918                 val.info1.area.bottom = IVAL(enum_values[i].data->data, 20);
1919                 /* skip form index      IVAL(enum_values[i].data->data, 24)));*/
1920                 val.info1.flags       = IVAL(enum_values[i].data->data, 28);
1921
1922                 info[i + num_builtin] = val;
1923         }
1924
1925         *pnum_info = num_builtin + num_values;
1926         if (pinfo) {
1927                 *pinfo = talloc_move(mem_ctx, &info);
1928         }
1929
1930 done:
1931         if (winreg_pipe != NULL) {
1932                 if (is_valid_policy_hnd(&key_hnd)) {
1933                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
1934                 }
1935                 if (is_valid_policy_hnd(&hive_hnd)) {
1936                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
1937                 }
1938         }
1939
1940         TALLOC_FREE(enum_values);
1941         TALLOC_FREE(tmp_ctx);
1942         return result;
1943 }
1944
1945 WERROR winreg_printer_deleteform1(TALLOC_CTX *mem_ctx,
1946                                   struct auth_serversupplied_info *server_info,
1947                                   const char *form_name)
1948 {
1949         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
1950         struct rpc_pipe_client *winreg_pipe = NULL;
1951         struct policy_handle hive_hnd, key_hnd;
1952         struct winreg_String wvalue;
1953         uint32_t num_builtin = ARRAY_SIZE(builtin_forms1);
1954         uint32_t i;
1955         WERROR result = WERR_OK;
1956         NTSTATUS status;
1957         TALLOC_CTX *tmp_ctx;
1958
1959         for (i = 0; i < num_builtin; i++) {
1960                 if (strequal(builtin_forms1[i].form_name, form_name)) {
1961                         return WERR_INVALID_PARAMETER;
1962                 }
1963         }
1964
1965         tmp_ctx = talloc_new(mem_ctx);
1966         if (tmp_ctx == NULL) {
1967                 return WERR_NOMEM;
1968         }
1969
1970         ZERO_STRUCT(hive_hnd);
1971         ZERO_STRUCT(key_hnd);
1972
1973         result = winreg_printer_openkey(tmp_ctx,
1974                                         server_info,
1975                                         &winreg_pipe,
1976                                         TOP_LEVEL_CONTROL_FORMS_KEY,
1977                                         "",
1978                                         false,
1979                                         access_mask,
1980                                         &hive_hnd,
1981                                         &key_hnd);
1982         if (!W_ERROR_IS_OK(result)) {
1983                 DEBUG(0, ("winreg_printer_deleteform1: Could not open key %s: %s\n",
1984                           TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
1985                 if (W_ERROR_EQUAL(result, WERR_BADFILE)) {
1986                         result = WERR_INVALID_FORM_NAME;
1987                 }
1988                 goto done;
1989         }
1990
1991         wvalue.name = form_name;
1992         status = rpccli_winreg_DeleteValue(winreg_pipe,
1993                                            tmp_ctx,
1994                                            &key_hnd,
1995                                            wvalue,
1996                                            &result);
1997         if (!NT_STATUS_IS_OK(status)) {
1998                 /* If the value doesn't exist, return WERR_INVALID_FORM_NAME */
1999                 if (W_ERROR_EQUAL(result, WERR_BADFILE)) {
2000                         result = WERR_INVALID_FORM_NAME;
2001                         goto done;
2002                 }
2003                 DEBUG(0, ("winreg_printer_delteform1: Could not delete value %s: %s\n",
2004                           wvalue.name, nt_errstr(status)));
2005                 if (!W_ERROR_IS_OK(result)) {
2006                         goto done;
2007                 }
2008                 result = ntstatus_to_werror(status);
2009                 goto done;
2010         }
2011
2012         result = WERR_OK;
2013 done:
2014         if (winreg_pipe != NULL) {
2015                 if (is_valid_policy_hnd(&key_hnd)) {
2016                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
2017                 }
2018                 if (is_valid_policy_hnd(&hive_hnd)) {
2019                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
2020                 }
2021         }
2022
2023         TALLOC_FREE(tmp_ctx);
2024         return result;
2025 }
2026
2027 WERROR winreg_printer_setform1(TALLOC_CTX *mem_ctx,
2028                                struct auth_serversupplied_info *server_info,
2029                                const char *form_name,
2030                                struct spoolss_AddFormInfo1 *form)
2031 {
2032         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
2033         struct rpc_pipe_client *winreg_pipe = NULL;
2034         struct policy_handle hive_hnd, key_hnd;
2035         struct winreg_String wvalue;
2036         DATA_BLOB blob;
2037         uint32_t num_builtin = ARRAY_SIZE(builtin_forms1);
2038         uint32_t i;
2039         WERROR result;
2040         NTSTATUS status;
2041         TALLOC_CTX *tmp_ctx = NULL;
2042
2043         for (i = 0; i < num_builtin; i++) {
2044                 if (strequal(builtin_forms1[i].form_name, form->form_name)) {
2045                         result = WERR_INVALID_PARAM;
2046                         goto done;
2047                 }
2048         }
2049
2050         tmp_ctx = talloc_new(mem_ctx);
2051         if (tmp_ctx == NULL) {
2052                 return WERR_NOMEM;
2053         }
2054
2055         ZERO_STRUCT(hive_hnd);
2056         ZERO_STRUCT(key_hnd);
2057
2058         result = winreg_printer_openkey(tmp_ctx,
2059                                         server_info,
2060                                         &winreg_pipe,
2061                                         TOP_LEVEL_CONTROL_FORMS_KEY,
2062                                         "",
2063                                         true,
2064                                         access_mask,
2065                                         &hive_hnd,
2066                                         &key_hnd);
2067         if (!W_ERROR_IS_OK(result)) {
2068                 DEBUG(0, ("winreg_printer_setform1: Could not open key %s: %s\n",
2069                           TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
2070                 goto done;
2071         }
2072
2073         /* If form_name != form->form_name then we renamed the form */
2074         if (strequal(form_name, form->form_name)) {
2075                 result = winreg_printer_deleteform1(tmp_ctx, server_info, form_name);
2076                 if (!W_ERROR_IS_OK(result)) {
2077                         DEBUG(0, ("winreg_printer_setform1: Could not open key %s: %s\n",
2078                                   TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
2079                         goto done;
2080                 }
2081         }
2082
2083         wvalue.name = form->form_name;
2084
2085         blob = data_blob_talloc(tmp_ctx, NULL, 32);
2086         SIVAL(blob.data,  0, form->size.width);
2087         SIVAL(blob.data,  4, form->size.height);
2088         SIVAL(blob.data,  8, form->area.left);
2089         SIVAL(blob.data, 12, form->area.top);
2090         SIVAL(blob.data, 16, form->area.right);
2091         SIVAL(blob.data, 20, form->area.bottom);
2092         SIVAL(blob.data, 24, 42);
2093         SIVAL(blob.data, 28, form->flags);
2094
2095         status = rpccli_winreg_SetValue(winreg_pipe,
2096                                         tmp_ctx,
2097                                         &key_hnd,
2098                                         wvalue,
2099                                         REG_BINARY,
2100                                         blob.data,
2101                                         blob.length,
2102                                         &result);
2103         if (!NT_STATUS_IS_OK(status)) {
2104                 DEBUG(0, ("winreg_printer_setform1: Could not set value %s: %s\n",
2105                           wvalue.name, nt_errstr(status)));
2106                 if (!W_ERROR_IS_OK(result)) {
2107                         goto done;
2108                 }
2109                 result = ntstatus_to_werror(status);
2110                 goto done;
2111         }
2112
2113         result = WERR_OK;
2114 done:
2115         if (winreg_pipe != NULL) {
2116                 if (is_valid_policy_hnd(&key_hnd)) {
2117                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
2118                 }
2119                 if (is_valid_policy_hnd(&hive_hnd)) {
2120                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
2121                 }
2122         }
2123
2124         TALLOC_FREE(tmp_ctx);
2125         return result;
2126 }
2127
2128 WERROR winreg_printer_getform1(TALLOC_CTX *mem_ctx,
2129                                struct auth_serversupplied_info *server_info,
2130                                const char *form_name,
2131                                struct spoolss_FormInfo1 *r)
2132 {
2133         uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
2134         struct rpc_pipe_client *winreg_pipe = NULL;
2135         struct policy_handle hive_hnd, key_hnd;
2136         struct winreg_String wvalue;
2137         enum winreg_Type type_in;
2138         uint8_t *data_in;
2139         uint32_t data_in_size = 0;
2140         uint32_t value_len = 0;
2141         uint32_t num_builtin = ARRAY_SIZE(builtin_forms1);
2142         uint32_t i;
2143         WERROR result;
2144         NTSTATUS status;
2145         TALLOC_CTX *tmp_ctx;
2146
2147         /* check builtin forms first */
2148         for (i = 0; i < num_builtin; i++) {
2149                 if (strequal(builtin_forms1[i].form_name, form_name)) {
2150                         *r = builtin_forms1[i];
2151                         return WERR_OK;
2152                 }
2153         }
2154
2155         tmp_ctx = talloc_new(mem_ctx);
2156         if (tmp_ctx == NULL) {
2157                 return WERR_NOMEM;
2158         }
2159
2160         ZERO_STRUCT(hive_hnd);
2161         ZERO_STRUCT(key_hnd);
2162
2163         result = winreg_printer_openkey(tmp_ctx,
2164                                         server_info,
2165                                         &winreg_pipe,
2166                                         TOP_LEVEL_CONTROL_FORMS_KEY,
2167                                         "",
2168                                         true,
2169                                         access_mask,
2170                                         &hive_hnd,
2171                                         &key_hnd);
2172         if (!W_ERROR_IS_OK(result)) {
2173                 DEBUG(0, ("winreg_printer_getform1: Could not open key %s: %s\n",
2174                           TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
2175                 goto done;
2176         }
2177
2178         wvalue.name = form_name;
2179
2180         /*
2181          * call QueryValue once with data == NULL to get the
2182          * needed memory size to be allocated, then allocate
2183          * data buffer and call again.
2184          */
2185         status = rpccli_winreg_QueryValue(winreg_pipe,
2186                                           tmp_ctx,
2187                                           &key_hnd,
2188                                           &wvalue,
2189                                           &type_in,
2190                                           NULL,
2191                                           &data_in_size,
2192                                           &value_len,
2193                                           &result);
2194         if (!NT_STATUS_IS_OK(status)) {
2195                 DEBUG(0, ("winreg_printer_getform1: Could not query value %s: %s\n",
2196                           wvalue.name, nt_errstr(status)));
2197                 if (!W_ERROR_IS_OK(result)) {
2198                         goto done;
2199                 }
2200                 result = ntstatus_to_werror(status);
2201                 goto done;
2202         }
2203
2204         data_in = (uint8_t *) TALLOC(tmp_ctx, data_in_size);
2205         if (data_in == NULL) {
2206                 result = WERR_NOMEM;
2207                 goto done;
2208         }
2209         value_len = 0;
2210
2211         status = rpccli_winreg_QueryValue(winreg_pipe,
2212                                           tmp_ctx,
2213                                           &key_hnd,
2214                                           &wvalue,
2215                                           &type_in,
2216                                           data_in,
2217                                           &data_in_size,
2218                                           &value_len,
2219                                           &result);
2220         if (!NT_STATUS_IS_OK(status)) {
2221                 DEBUG(0, ("winreg_printer_getform1: Could not query value %s: %s\n",
2222                           wvalue.name, nt_errstr(status)));
2223                 if (!W_ERROR_IS_OK(result)) {
2224                         goto done;
2225                 }
2226                 result = ntstatus_to_werror(status);
2227                 goto done;
2228         }
2229
2230         r->form_name = talloc_strdup(mem_ctx, form_name);
2231         if (r->form_name == NULL) {
2232                 result = WERR_NOMEM;
2233                 goto done;
2234         }
2235
2236         r->size.width  = IVAL(data_in,  0);
2237         r->size.height = IVAL(data_in,  4);
2238         r->area.left   = IVAL(data_in,  8);
2239         r->area.top    = IVAL(data_in, 12);
2240         r->area.right  = IVAL(data_in, 16);
2241         r->area.bottom = IVAL(data_in, 20);
2242         /* skip index    IVAL(data_in, 24)));*/
2243         r->flags       = IVAL(data_in, 28);
2244
2245         result = WERR_OK;
2246 done:
2247         if (winreg_pipe != NULL) {
2248                 if (is_valid_policy_hnd(&key_hnd)) {
2249                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
2250                 }
2251                 if (is_valid_policy_hnd(&hive_hnd)) {
2252                         rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
2253                 }
2254         }
2255
2256         TALLOC_FREE(tmp_ctx);
2257         return result;
2258 }