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DEFINITIONS
This source file includes following definitions.
- aixacl_sys_acl_get_file
- aixacl_sys_acl_get_fd
- aixacl_sys_acl_set_file
- aixacl_sys_acl_set_fd
- aixacl_sys_acl_delete_def_file
- vfs_aixacl_init
1 /*
2 Unix SMB/Netbios implementation.
3 VFS module to get and set posix acls
4 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2006
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "includes.h"
21
22 extern SMB_ACL_T aixacl_to_smbacl( struct acl *file_acl);
23 extern struct acl *aixacl_smb_to_aixacl(SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
24
25 SMB_ACL_T aixacl_sys_acl_get_file(vfs_handle_struct *handle,
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26 const char *path_p,
27 SMB_ACL_TYPE_T type)
28 {
29 struct acl *file_acl = (struct acl *)NULL;
30 struct smb_acl_t *result = (struct smb_acl_t *)NULL;
31
32 int rc = 0;
33 uid_t user_id;
34
35 /* AIX has no DEFAULT */
36 if ( type == SMB_ACL_TYPE_DEFAULT )
37 return NULL;
38
39 /* Get the acl using statacl */
40
41 DEBUG(10,("Entering AIX sys_acl_get_file\n"));
42 DEBUG(10,("path_p is %s\n",path_p));
43
44 file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
45
46 if(file_acl == NULL) {
47 errno=ENOMEM;
48 DEBUG(0,("Error in AIX sys_acl_get_file: %d\n",errno));
49 return(NULL);
50 }
51
52 memset(file_acl,0,BUFSIZ);
53
54 rc = statacl((char *)path_p,0,file_acl,BUFSIZ);
55 if( (rc == -1) && (errno == ENOSPC)) {
56 struct acl *new_acl = SMB_MALLOC(file_acl->acl_len + sizeof(struct acl));
57 if( new_acl == NULL) {
58 SAFE_FREE(file_acl);
59 errno = ENOMEM;
60 return NULL;
61 }
62 file_acl = new_acl;
63 rc = statacl((char *)path_p,0,file_acl,file_acl->acl_len+sizeof(struct acl));
64 if( rc == -1) {
65 DEBUG(0,("statacl returned %d with errno %d\n",rc,errno));
66 SAFE_FREE(file_acl);
67 return(NULL);
68 }
69 }
70
71 DEBUG(10,("Got facl and returned it\n"));
72
73
74 result = aixacl_to_smbacl(file_acl);
75 SAFE_FREE(file_acl);
76 return result;
77
78 /*errno = ENOTSUP;
79 return NULL;*/
80 }
81
82 SMB_ACL_T aixacl_sys_acl_get_fd(vfs_handle_struct *handle,
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83 files_struct *fsp)
84 {
85
86 struct acl *file_acl = (struct acl *)NULL;
87 struct smb_acl_t *result = (struct smb_acl_t *)NULL;
88
89 int rc = 0;
90 uid_t user_id;
91
92 /* Get the acl using fstatacl */
93
94 DEBUG(10,("Entering AIX sys_acl_get_fd\n"));
95 DEBUG(10,("fd is %d\n",fsp->fh->fd));
96 file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
97
98 if(file_acl == NULL) {
99 errno=ENOMEM;
100 DEBUG(0,("Error in AIX sys_acl_get_fd is %d\n",errno));
101 return(NULL);
102 }
103
104 memset(file_acl,0,BUFSIZ);
105
106 rc = fstatacl(fsp->fh->fd,0,file_acl,BUFSIZ);
107 if( (rc == -1) && (errno == ENOSPC)) {
108 struct acl *new_acl = SMB_MALLOC(file_acl->acl_len + sizeof(struct acl));
109 if( new_acl == NULL) {
110 SAFE_FREE(file_acl);
111 errno = ENOMEM;
112 return NULL;
113 }
114 file_acl = new_acl;
115 rc = fstatacl(fsp->fh->fd,0,file_acl,file_acl->acl_len + sizeof(struct acl));
116 if( rc == -1) {
117 DEBUG(0,("fstatacl returned %d with errno %d\n",rc,errno));
118 SAFE_FREE(file_acl);
119 return(NULL);
120 }
121 }
122
123 DEBUG(10,("Got facl and returned it\n"));
124
125 result = aixacl_to_smbacl(file_acl);
126 SAFE_FREE(file_acl);
127 return result;
128
129 /*errno = ENOTSUP;
130 return NULL;*/
131 }
132
133 int aixacl_sys_acl_set_file(vfs_handle_struct *handle,
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134 const char *name,
135 SMB_ACL_TYPE_T type,
136 SMB_ACL_T theacl)
137 {
138 struct acl *file_acl = NULL;
139 unsigned int rc;
140
141 file_acl = aixacl_smb_to_aixacl(type, theacl);
142 if (!file_acl)
143 return -1;
144
145 rc = chacl((char *)name,file_acl,file_acl->acl_len);
146 DEBUG(10,("errno is %d\n",errno));
147 DEBUG(10,("return code is %d\n",rc));
148 SAFE_FREE(file_acl);
149 DEBUG(10,("Exiting the aixacl_sys_acl_set_file\n"));
150
151 return rc;
152 }
153
154 int aixacl_sys_acl_set_fd(vfs_handle_struct *handle,
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155 files_struct *fsp,
156 SMB_ACL_T theacl)
157 {
158 struct acl *file_acl = NULL;
159 unsigned int rc;
160
161 file_acl = aixacl_smb_to_aixacl(SMB_ACL_TYPE_ACCESS, theacl);
162 if (!file_acl)
163 return -1;
164
165 rc = fchacl(fsp->fh->fd,file_acl,file_acl->acl_len);
166 DEBUG(10,("errno is %d\n",errno));
167 DEBUG(10,("return code is %d\n",rc));
168 SAFE_FREE(file_acl);
169 DEBUG(10,("Exiting aixacl_sys_acl_set_fd\n"));
170
171 return rc;
172 }
173
174 int aixacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
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175 const char *path)
176 {
177 return 0; /* otherwise you can't set acl at upper level */
178 }
179
180 /* VFS operations structure */
181
182 static vfs_op_tuple aixacl_op_tuples[] = {
183 /* Disk operations */
184 {SMB_VFS_OP(aixacl_sys_acl_get_file),
185 SMB_VFS_OP_SYS_ACL_GET_FILE,
186 SMB_VFS_LAYER_TRANSPARENT},
187
188 {SMB_VFS_OP(aixacl_sys_acl_get_fd),
189 SMB_VFS_OP_SYS_ACL_GET_FD,
190 SMB_VFS_LAYER_TRANSPARENT},
191
192 {SMB_VFS_OP(aixacl_sys_acl_set_file),
193 SMB_VFS_OP_SYS_ACL_SET_FILE,
194 SMB_VFS_LAYER_TRANSPARENT},
195
196 {SMB_VFS_OP(aixacl_sys_acl_set_fd),
197 SMB_VFS_OP_SYS_ACL_SET_FD,
198 SMB_VFS_LAYER_TRANSPARENT},
199
200 {SMB_VFS_OP(aixacl_sys_acl_delete_def_file),
201 SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
202 SMB_VFS_LAYER_TRANSPARENT},
203
204 {SMB_VFS_OP(NULL),
205 SMB_VFS_OP_NOOP,
206 SMB_VFS_LAYER_NOOP}
207 };
208
209 NTSTATUS vfs_aixacl_init(void);
210 NTSTATUS vfs_aixacl_init(void)
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211 {
212 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "aixacl",
213 aixacl_op_tuples);
214 }