source: vendor/3.5.0/source3/modules/vfs_aixacl.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 4.8 KB
Line 
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
22extern SMB_ACL_T aixacl_to_smbacl( struct acl *file_acl);
23extern struct acl *aixacl_smb_to_aixacl(SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
24
25SMB_ACL_T aixacl_sys_acl_get_file(vfs_handle_struct *handle,
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
82SMB_ACL_T aixacl_sys_acl_get_fd(vfs_handle_struct *handle,
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
133int aixacl_sys_acl_set_file(vfs_handle_struct *handle,
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
154int aixacl_sys_acl_set_fd(vfs_handle_struct *handle,
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
174int aixacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
175 const char *path)
176{
177 return 0; /* otherwise you can't set acl at upper level */
178}
179
180static struct vfs_fn_pointers vfs_aixacl_fns = {
181 .sys_acl_get_file = aixacl_sys_acl_get_file,
182 .sys_acl_get_fd = aixacl_sys_acl_get_fd,
183 .sys_acl_set_file = aixacl_sys_acl_set_file,
184 .sys_acl_set_fd = aixacl_sys_acl_set_fd,
185 .sys_acl_delete_def_file = aixacl_sys_acl_delete_def_file,
186};
187
188NTSTATUS vfs_aixacl_init(void);
189NTSTATUS vfs_aixacl_init(void)
190{
191 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "aixacl",
192 &vfs_aixacl_fns);
193}
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