Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 1 | /* |
| 2 | * fs/cifs/cifsacl.c |
| 3 | * |
| 4 | * Copyright (C) International Business Machines Corp., 2007 |
| 5 | * Author(s): Steve French (sfrench@us.ibm.com) |
| 6 | * |
| 7 | * Contains the routines for mapping CIFS/NTFS ACLs |
| 8 | * |
| 9 | * This library is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU Lesser General Public License as published |
| 11 | * by the Free Software Foundation; either version 2.1 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This library is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 17 | * the GNU Lesser General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public License |
| 20 | * along with this library; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | */ |
| 23 | |
Steve French | 6587400 | 2007-09-25 19:53:44 +0000 | [diff] [blame] | 24 | #include <linux/fs.h> |
| 25 | #include "cifspdu.h" |
| 26 | #include "cifsglob.h" |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 27 | #include "cifsacl.h" |
Steve French | 6587400 | 2007-09-25 19:53:44 +0000 | [diff] [blame] | 28 | #include "cifsproto.h" |
| 29 | #include "cifs_debug.h" |
Steve French | 6587400 | 2007-09-25 19:53:44 +0000 | [diff] [blame] | 30 | |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 31 | |
| 32 | #ifdef CONFIG_CIFS_EXPERIMENTAL |
| 33 | |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 34 | static struct cifs_wksid wksidarr[NUM_WK_SIDS] = { |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 35 | {{1, 0, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0} }, "null user"}, |
| 36 | {{1, 1, {0, 0, 0, 0, 0, 1}, {0, 0, 0, 0, 0} }, "nobody"}, |
Dave Kleikamp | ce51ae1 | 2007-10-16 21:35:39 +0000 | [diff] [blame] | 37 | {{1, 1, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(11), 0, 0, 0, 0} }, "net-users"}, |
| 38 | {{1, 1, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(18), 0, 0, 0, 0} }, "sys"}, |
| 39 | {{1, 2, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(32), cpu_to_le32(544), 0, 0, 0} }, "root"}, |
| 40 | {{1, 2, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(32), cpu_to_le32(545), 0, 0, 0} }, "users"}, |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 41 | {{1, 2, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(32), cpu_to_le32(546), 0, 0, 0} }, "guest"} } |
| 42 | ; |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 43 | |
| 44 | |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 45 | /* security id for everyone */ |
| 46 | static const struct cifs_sid sid_everyone = |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 47 | {1, 1, {0, 0, 0, 0, 0, 0}, {} }; |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 48 | /* group users */ |
| 49 | static const struct cifs_sid sid_user = |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 50 | {1, 2 , {0, 0, 0, 0, 0, 5}, {} }; |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 51 | |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 52 | |
| 53 | int match_sid(struct cifs_sid *ctsid) |
| 54 | { |
| 55 | int i, j; |
| 56 | int num_subauth, num_sat, num_saw; |
| 57 | struct cifs_sid *cwsid; |
| 58 | |
| 59 | if (!ctsid) |
| 60 | return (-1); |
| 61 | |
| 62 | for (i = 0; i < NUM_WK_SIDS; ++i) { |
| 63 | cwsid = &(wksidarr[i].cifssid); |
| 64 | |
| 65 | /* compare the revision */ |
| 66 | if (ctsid->revision != cwsid->revision) |
| 67 | continue; |
| 68 | |
| 69 | /* compare all of the six auth values */ |
| 70 | for (j = 0; j < 6; ++j) { |
| 71 | if (ctsid->authority[j] != cwsid->authority[j]) |
| 72 | break; |
| 73 | } |
| 74 | if (j < 6) |
| 75 | continue; /* all of the auth values did not match */ |
| 76 | |
| 77 | /* compare all of the subauth values if any */ |
Dave Kleikamp | ce51ae1 | 2007-10-16 21:35:39 +0000 | [diff] [blame] | 78 | num_sat = ctsid->num_subauth; |
| 79 | num_saw = cwsid->num_subauth; |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 80 | num_subauth = num_sat < num_saw ? num_sat : num_saw; |
| 81 | if (num_subauth) { |
| 82 | for (j = 0; j < num_subauth; ++j) { |
| 83 | if (ctsid->sub_auth[j] != cwsid->sub_auth[j]) |
| 84 | break; |
| 85 | } |
| 86 | if (j < num_subauth) |
| 87 | continue; /* all sub_auth values do not match */ |
| 88 | } |
| 89 | |
| 90 | cFYI(1, ("matching sid: %s\n", wksidarr[i].sidname)); |
| 91 | return (0); /* sids compare/match */ |
| 92 | } |
| 93 | |
| 94 | cFYI(1, ("No matching sid")); |
| 95 | return (-1); |
| 96 | } |
| 97 | |
Steve French | a750e77 | 2007-10-17 22:50:39 +0000 | [diff] [blame] | 98 | /* if the two SIDs (roughly equivalent to a UUID for a user or group) are |
| 99 | the same returns 1, if they do not match returns 0 */ |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 100 | int compare_sids(struct cifs_sid *ctsid, struct cifs_sid *cwsid) |
| 101 | { |
| 102 | int i; |
| 103 | int num_subauth, num_sat, num_saw; |
| 104 | |
| 105 | if ((!ctsid) || (!cwsid)) |
Steve French | a750e77 | 2007-10-17 22:50:39 +0000 | [diff] [blame] | 106 | return (0); |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 107 | |
| 108 | /* compare the revision */ |
| 109 | if (ctsid->revision != cwsid->revision) |
Steve French | a750e77 | 2007-10-17 22:50:39 +0000 | [diff] [blame] | 110 | return (0); |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 111 | |
| 112 | /* compare all of the six auth values */ |
| 113 | for (i = 0; i < 6; ++i) { |
| 114 | if (ctsid->authority[i] != cwsid->authority[i]) |
Steve French | a750e77 | 2007-10-17 22:50:39 +0000 | [diff] [blame] | 115 | return (0); |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | /* compare all of the subauth values if any */ |
Steve French | adbc035 | 2007-10-17 02:12:46 +0000 | [diff] [blame] | 119 | num_sat = ctsid->num_subauth; |
Steve French | adddd49 | 2007-10-17 02:48:17 +0000 | [diff] [blame] | 120 | num_saw = cwsid->num_subauth; |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 121 | num_subauth = num_sat < num_saw ? num_sat : num_saw; |
| 122 | if (num_subauth) { |
| 123 | for (i = 0; i < num_subauth; ++i) { |
| 124 | if (ctsid->sub_auth[i] != cwsid->sub_auth[i]) |
Steve French | a750e77 | 2007-10-17 22:50:39 +0000 | [diff] [blame] | 125 | return (0); |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 126 | } |
| 127 | } |
| 128 | |
Steve French | a750e77 | 2007-10-17 22:50:39 +0000 | [diff] [blame] | 129 | return (1); /* sids compare/match */ |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 130 | } |
| 131 | |
Steve French | 4879b44 | 2007-10-19 21:57:39 +0000 | [diff] [blame] | 132 | void get_mode_from_acl(struct inode * inode, const char * path) |
| 133 | { |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 134 | |
| 135 | cFYI(1, ("get mode from ACL for %s", path)); |
Steve French | 4879b44 | 2007-10-19 21:57:39 +0000 | [diff] [blame] | 136 | |
| 137 | if (inode == NULL) |
| 138 | return; |
| 139 | |
| 140 | /* find an open readable handle |
| 141 | if handle found |
| 142 | lock handle |
| 143 | else open file |
| 144 | if no open file can not hurt to check if path is null |
| 145 | GetCIFSACL |
| 146 | for all ACEs in ACL { |
| 147 | if U or G or O |
| 148 | inode->i_mode = parse_ace(file_type, UG or O, ace->perms, inode->i_mode) |
| 149 | else continue |
| 150 | } |
| 151 | if handle open close it |
| 152 | else unlock handle */ |
| 153 | |
| 154 | return; |
| 155 | } |
| 156 | |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 157 | |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 158 | static void parse_ace(struct cifs_ace *pace, char *end_of_acl) |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 159 | { |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 160 | int num_subauth; |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 161 | |
| 162 | /* validate that we do not go past end of acl */ |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 163 | |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 164 | if (le16_to_cpu(pace->size) < 16) { |
| 165 | cERROR(1, ("ACE too small, %d", le16_to_cpu(pace->size))); |
| 166 | return; |
| 167 | } |
| 168 | |
| 169 | if (end_of_acl < (char *)pace + le16_to_cpu(pace->size)) { |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 170 | cERROR(1, ("ACL too small to parse ACE")); |
| 171 | return; |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 172 | } |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 173 | |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 174 | num_subauth = pace->sid.num_subauth; |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 175 | if (num_subauth) { |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 176 | #ifdef CONFIG_CIFS_DEBUG2 |
Steve French | 8f18c13 | 2007-10-12 18:54:12 +0000 | [diff] [blame] | 177 | int i; |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 178 | cFYI(1, ("ACE revision %d num_auth %d type %d flags %d size %d", |
| 179 | pace->sid.revision, pace->sid.num_subauth, pace->type, |
| 180 | pace->flags, pace->size)); |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 181 | for (i = 0; i < num_subauth; ++i) { |
| 182 | cFYI(1, ("ACE sub_auth[%d]: 0x%x", i, |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 183 | le32_to_cpu(pace->sid.sub_auth[i]))); |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 184 | } |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 185 | |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 186 | /* BB add length check to make sure that we do not have huge |
| 187 | num auths and therefore go off the end */ |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 188 | #endif |
| 189 | } |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 190 | |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 191 | return; |
| 192 | } |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 193 | |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 194 | |
Steve French | a750e77 | 2007-10-17 22:50:39 +0000 | [diff] [blame] | 195 | static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl, |
Steve French | d628ddb | 2007-10-17 23:06:07 +0000 | [diff] [blame] | 196 | struct cifs_sid *pownersid, struct cifs_sid *pgrpsid) |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 197 | { |
| 198 | int i; |
| 199 | int num_aces = 0; |
| 200 | int acl_size; |
| 201 | char *acl_base; |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 202 | struct cifs_ace **ppace; |
| 203 | |
| 204 | /* BB need to add parm so we can store the SID BB */ |
| 205 | |
| 206 | /* validate that we do not go past end of acl */ |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 207 | if (end_of_acl < (char *)pdacl + le16_to_cpu(pdacl->size)) { |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 208 | cERROR(1, ("ACL too small to parse DACL")); |
| 209 | return; |
| 210 | } |
| 211 | |
| 212 | #ifdef CONFIG_CIFS_DEBUG2 |
| 213 | cFYI(1, ("DACL revision %d size %d num aces %d", |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 214 | le16_to_cpu(pdacl->revision), le16_to_cpu(pdacl->size), |
| 215 | le32_to_cpu(pdacl->num_aces))); |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 216 | #endif |
| 217 | |
| 218 | acl_base = (char *)pdacl; |
| 219 | acl_size = sizeof(struct cifs_acl); |
| 220 | |
Steve French | adbc035 | 2007-10-17 02:12:46 +0000 | [diff] [blame] | 221 | num_aces = le32_to_cpu(pdacl->num_aces); |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 222 | if (num_aces > 0) { |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 223 | ppace = kmalloc(num_aces * sizeof(struct cifs_ace *), |
| 224 | GFP_KERNEL); |
| 225 | |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 226 | /* cifscred->cecount = pdacl->num_aces; |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 227 | cifscred->aces = kmalloc(num_aces * |
| 228 | sizeof(struct cifs_ace *), GFP_KERNEL);*/ |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 229 | |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 230 | for (i = 0; i < num_aces; ++i) { |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 231 | ppace[i] = (struct cifs_ace *) (acl_base + acl_size); |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 232 | |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 233 | parse_ace(ppace[i], end_of_acl); |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 234 | |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 235 | /* memcpy((void *)(&(cifscred->aces[i])), |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 236 | (void *)ppace[i], |
| 237 | sizeof(struct cifs_ace)); */ |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 238 | |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 239 | acl_base = (char *)ppace[i]; |
| 240 | acl_size = le16_to_cpu(ppace[i]->size); |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | kfree(ppace); |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | return; |
| 247 | } |
| 248 | |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 249 | |
| 250 | static int parse_sid(struct cifs_sid *psid, char *end_of_acl) |
| 251 | { |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 252 | |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 253 | /* BB need to add parm so we can store the SID BB */ |
| 254 | |
| 255 | /* validate that we do not go past end of acl */ |
| 256 | if (end_of_acl < (char *)psid + sizeof(struct cifs_sid)) { |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 257 | cERROR(1, ("ACL too small to parse SID")); |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 258 | return -EINVAL; |
| 259 | } |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 260 | |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 261 | if (psid->num_subauth) { |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 262 | #ifdef CONFIG_CIFS_DEBUG2 |
Steve French | 8f18c13 | 2007-10-12 18:54:12 +0000 | [diff] [blame] | 263 | int i; |
Steve French | 44093ca | 2007-10-23 21:22:55 +0000 | [diff] [blame^] | 264 | cFYI(1, ("SID revision %d num_auth %d", |
| 265 | psid->revision, psid->num_subauth)); |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 266 | |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 267 | for (i = 0; i < psid->num_subauth; i++) { |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 268 | cFYI(1, ("SID sub_auth[%d]: 0x%x ", i, |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 269 | le32_to_cpu(psid->sub_auth[i]))); |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 270 | } |
| 271 | |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 272 | /* BB add length check to make sure that we do not have huge |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 273 | num auths and therefore go off the end */ |
Steve French | d12fd12 | 2007-10-03 19:43:19 +0000 | [diff] [blame] | 274 | cFYI(1, ("RID 0x%x", |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 275 | le32_to_cpu(psid->sub_auth[psid->num_subauth-1]))); |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 276 | #endif |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 277 | } |
| 278 | |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 279 | return 0; |
| 280 | } |
| 281 | |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 282 | |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 283 | /* Convert CIFS ACL to POSIX form */ |
| 284 | int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len) |
| 285 | { |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 286 | int rc; |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 287 | struct cifs_sid *owner_sid_ptr, *group_sid_ptr; |
| 288 | struct cifs_acl *dacl_ptr; /* no need for SACL ptr */ |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 289 | char *end_of_acl = ((char *)pntsd) + acl_len; |
| 290 | |
| 291 | owner_sid_ptr = (struct cifs_sid *)((char *)pntsd + |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 292 | le32_to_cpu(pntsd->osidoffset)); |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 293 | group_sid_ptr = (struct cifs_sid *)((char *)pntsd + |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 294 | le32_to_cpu(pntsd->gsidoffset)); |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 295 | dacl_ptr = (struct cifs_acl *)((char *)pntsd + |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 296 | le32_to_cpu(pntsd->dacloffset)); |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 297 | #ifdef CONFIG_CIFS_DEBUG2 |
| 298 | cFYI(1, ("revision %d type 0x%x ooffset 0x%x goffset 0x%x " |
| 299 | "sacloffset 0x%x dacloffset 0x%x", |
Steve French | af6f461 | 2007-10-16 18:40:37 +0000 | [diff] [blame] | 300 | pntsd->revision, pntsd->type, le32_to_cpu(pntsd->osidoffset), |
| 301 | le32_to_cpu(pntsd->gsidoffset), |
| 302 | le32_to_cpu(pntsd->sacloffset), |
Dave Kleikamp | ce51ae1 | 2007-10-16 21:35:39 +0000 | [diff] [blame] | 303 | le32_to_cpu(pntsd->dacloffset))); |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 304 | #endif |
| 305 | rc = parse_sid(owner_sid_ptr, end_of_acl); |
| 306 | if (rc) |
| 307 | return rc; |
| 308 | |
| 309 | rc = parse_sid(group_sid_ptr, end_of_acl); |
| 310 | if (rc) |
| 311 | return rc; |
| 312 | |
Steve French | a750e77 | 2007-10-17 22:50:39 +0000 | [diff] [blame] | 313 | parse_dacl(dacl_ptr, end_of_acl, owner_sid_ptr, group_sid_ptr); |
Shirish Pargaonkar | d0d66c4 | 2007-10-03 18:22:19 +0000 | [diff] [blame] | 314 | |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 315 | /* cifscred->uid = owner_sid_ptr->rid; |
| 316 | cifscred->gid = group_sid_ptr->rid; |
| 317 | memcpy((void *)(&(cifscred->osid)), (void *)owner_sid_ptr, |
| 318 | sizeof (struct cifs_sid)); |
| 319 | memcpy((void *)(&(cifscred->gsid)), (void *)group_sid_ptr, |
| 320 | sizeof (struct cifs_sid)); */ |
| 321 | |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 322 | |
Steve French | bcb0203 | 2007-09-25 16:17:24 +0000 | [diff] [blame] | 323 | return (0); |
| 324 | } |
Steve French | 297647c | 2007-10-12 04:11:59 +0000 | [diff] [blame] | 325 | #endif /* CONFIG_CIFS_EXPERIMENTAL */ |