diff options
Diffstat (limited to 'source3/modules/vfs_aixacl.c')
| -rw-r--r-- | source3/modules/vfs_aixacl.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/source3/modules/vfs_aixacl.c b/source3/modules/vfs_aixacl.c new file mode 100644 index 0000000000..726a7f485e --- /dev/null +++ b/source3/modules/vfs_aixacl.c @@ -0,0 +1,214 @@ +/* + Unix SMB/Netbios implementation. + VFS module to get and set posix acls + Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2006 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" + +extern SMB_ACL_T aixacl_to_smbacl( struct acl *file_acl); +extern struct acl *aixacl_smb_to_aixacl(SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl); + +SMB_ACL_T aixacl_sys_acl_get_file(vfs_handle_struct *handle, + const char *path_p, + SMB_ACL_TYPE_T type) +{ + struct acl *file_acl = (struct acl *)NULL; + struct smb_acl_t *result = (struct smb_acl_t *)NULL; + + int rc = 0; + uid_t user_id; + + /* AIX has no DEFAULT */ + if ( type == SMB_ACL_TYPE_DEFAULT ) + return NULL; + + /* Get the acl using statacl */ + + DEBUG(10,("Entering AIX sys_acl_get_file\n")); + DEBUG(10,("path_p is %s\n",path_p)); + + file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); + + if(file_acl == NULL) { + errno=ENOMEM; + DEBUG(0,("Error in AIX sys_acl_get_file: %d\n",errno)); + return(NULL); + } + + memset(file_acl,0,BUFSIZ); + + rc = statacl((char *)path_p,0,file_acl,BUFSIZ); + if( (rc == -1) && (errno == ENOSPC)) { + struct acl *new_acl = SMB_MALLOC(file_acl->acl_len + sizeof(struct acl)); + if( new_acl == NULL) { + SAFE_FREE(file_acl); + errno = ENOMEM; + return NULL; + } + file_acl = new_acl; + rc = statacl((char *)path_p,0,file_acl,file_acl->acl_len+sizeof(struct acl)); + if( rc == -1) { + DEBUG(0,("statacl returned %d with errno %d\n",rc,errno)); + SAFE_FREE(file_acl); + return(NULL); + } + } + + DEBUG(10,("Got facl and returned it\n")); + + + result = aixacl_to_smbacl(file_acl); + SAFE_FREE(file_acl); + return result; + + /*errno = ENOTSUP; + return NULL;*/ +} + +SMB_ACL_T aixacl_sys_acl_get_fd(vfs_handle_struct *handle, + files_struct *fsp) +{ + + struct acl *file_acl = (struct acl *)NULL; + struct smb_acl_t *result = (struct smb_acl_t *)NULL; + + int rc = 0; + uid_t user_id; + + /* Get the acl using fstatacl */ + + DEBUG(10,("Entering AIX sys_acl_get_fd\n")); + DEBUG(10,("fd is %d\n",fsp->fh->fd)); + file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); + + if(file_acl == NULL) { + errno=ENOMEM; + DEBUG(0,("Error in AIX sys_acl_get_fd is %d\n",errno)); + return(NULL); + } + + memset(file_acl,0,BUFSIZ); + + rc = fstatacl(fsp->fh->fd,0,file_acl,BUFSIZ); + if( (rc == -1) && (errno == ENOSPC)) { + struct acl *new_acl = SMB_MALLOC(file_acl->acl_len + sizeof(struct acl)); + if( new_acl == NULL) { + SAFE_FREE(file_acl); + errno = ENOMEM; + return NULL; + } + file_acl = new_acl; + rc = fstatacl(fsp->fh->fd,0,file_acl,file_acl->acl_len + sizeof(struct acl)); + if( rc == -1) { + DEBUG(0,("fstatacl returned %d with errno %d\n",rc,errno)); + SAFE_FREE(file_acl); + return(NULL); + } + } + + DEBUG(10,("Got facl and returned it\n")); + + result = aixacl_to_smbacl(file_acl); + SAFE_FREE(file_acl); + return result; + + /*errno = ENOTSUP; + return NULL;*/ +} + +int aixacl_sys_acl_set_file(vfs_handle_struct *handle, + const char *name, + SMB_ACL_TYPE_T type, + SMB_ACL_T theacl) +{ + struct acl *file_acl = NULL; + unsigned int rc; + + file_acl = aixacl_smb_to_aixacl(type, theacl); + if (!file_acl) + return -1; + + rc = chacl((char *)name,file_acl,file_acl->acl_len); + DEBUG(10,("errno is %d\n",errno)); + DEBUG(10,("return code is %d\n",rc)); + SAFE_FREE(file_acl); + DEBUG(10,("Exiting the aixacl_sys_acl_set_file\n")); + + return rc; +} + +int aixacl_sys_acl_set_fd(vfs_handle_struct *handle, + files_struct *fsp, + SMB_ACL_T theacl) +{ + struct acl *file_acl = NULL; + unsigned int rc; + + file_acl = aixacl_smb_to_aixacl(SMB_ACL_TYPE_ACCESS, theacl); + if (!file_acl) + return -1; + + rc = fchacl(fsp->fh->fd,file_acl,file_acl->acl_len); + DEBUG(10,("errno is %d\n",errno)); + DEBUG(10,("return code is %d\n",rc)); + SAFE_FREE(file_acl); + DEBUG(10,("Exiting aixacl_sys_acl_set_fd\n")); + + return rc; +} + +int aixacl_sys_acl_delete_def_file(vfs_handle_struct *handle, + const char *path) +{ + return 0; /* otherwise you can't set acl at upper level */ +} + +/* VFS operations structure */ + +static vfs_op_tuple aixacl_op_tuples[] = { + /* Disk operations */ + {SMB_VFS_OP(aixacl_sys_acl_get_file), + SMB_VFS_OP_SYS_ACL_GET_FILE, + SMB_VFS_LAYER_TRANSPARENT}, + + {SMB_VFS_OP(aixacl_sys_acl_get_fd), + SMB_VFS_OP_SYS_ACL_GET_FD, + SMB_VFS_LAYER_TRANSPARENT}, + + {SMB_VFS_OP(aixacl_sys_acl_set_file), + SMB_VFS_OP_SYS_ACL_SET_FILE, + SMB_VFS_LAYER_TRANSPARENT}, + + {SMB_VFS_OP(aixacl_sys_acl_set_fd), + SMB_VFS_OP_SYS_ACL_SET_FD, + SMB_VFS_LAYER_TRANSPARENT}, + + {SMB_VFS_OP(aixacl_sys_acl_delete_def_file), + SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE, + SMB_VFS_LAYER_TRANSPARENT}, + + {SMB_VFS_OP(NULL), + SMB_VFS_OP_NOOP, + SMB_VFS_LAYER_NOOP} +}; + +NTSTATUS vfs_aixacl_init(void); +NTSTATUS vfs_aixacl_init(void) +{ + return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "aixacl", + aixacl_op_tuples); +} |