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vfs_worm: add connect function to cache parameters

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Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This commit is contained in:
Björn Jacke 2023-12-30 19:53:36 +01:00 committed by Bjoern Jacke
parent e84437eae6
commit 5c2286ecf5
1 changed files with 42 additions and 2 deletions
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44
source3/modules/vfs_worm.c
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@ -22,6 +22,41 @@
#include "system/filesys.h"
#include "libcli/security/security.h"
struct worm_config_data {
double grace_period;
};
static int vfs_worm_connect(struct vfs_handle_struct *handle,
const char *service, const char *user)
{
struct worm_config_data *config = NULL;
int ret;
ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
if (ret < 0) {
return ret;
}
if (IS_IPC(handle->conn) || IS_PRINT(handle->conn)) {
return 0;
}
config = talloc_zero(handle->conn, struct worm_config_data);
if (config == NULL) {
DBG_ERR("talloc_zero() failed\n");
errno = ENOMEM;
return -1;
}
config->grace_period = lp_parm_int(SNUM(handle->conn), "worm",
"grace_period", 3600);
SMB_VFS_HANDLE_SET_DATA(handle, config,
NULL, struct worm_config_data,
return -1);
return 0;
}
static NTSTATUS vfs_worm_create_file(vfs_handle_struct *handle,
struct smb_request *req,
struct files_struct *dirfsp,
@ -48,12 +83,16 @@ static NTSTATUS vfs_worm_create_file(vfs_handle_struct *handle,
FILE_WRITE_ATTRIBUTES | DELETE_ACCESS |
WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS;
NTSTATUS status;
struct worm_config_data *config = NULL;
SMB_VFS_HANDLE_GET_DATA(handle, config,
struct worm_config_data,
return NT_STATUS_INTERNAL_ERROR);
if (VALID_STAT(smb_fname->st)) {
double age;
age = timespec_elapsed(&smb_fname->st.st_ex_ctime);
if (age > lp_parm_int(SNUM(handle->conn), "worm",
"grace_period", 3600)) {
if (age > config->grace_period) {
readonly = true;
}
}
@ -83,6 +122,7 @@ static NTSTATUS vfs_worm_create_file(vfs_handle_struct *handle,
}
static struct vfs_fn_pointers vfs_worm_fns = {
.connect_fn = vfs_worm_connect,
.create_file_fn = vfs_worm_create_file,
};