--- /dev/null
+/* parser auto-generated by pidl */
+
+#include "includes.h"
+#include "librpc/gen_ndr/ndr_xattr.h"
+
+_PUBLIC_ enum ndr_err_code ndr_push_tdb_xattr(struct ndr_push *ndr, int ndr_flags, const struct tdb_xattr *r)
+{
+ if (ndr_flags & NDR_SCALARS) {
+ NDR_CHECK(ndr_push_align(ndr, 4));
+ {
+ uint32_t _flags_save_string = ndr->flags;
+ ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_UTF8|LIBNDR_FLAG_STR_NULLTERM);
+ NDR_CHECK(ndr_push_string(ndr, NDR_SCALARS, r->name));
+ ndr->flags = _flags_save_string;
+ }
+ NDR_CHECK(ndr_push_DATA_BLOB(ndr, NDR_SCALARS, r->value));
+ }
+ if (ndr_flags & NDR_BUFFERS) {
+ }
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ enum ndr_err_code ndr_pull_tdb_xattr(struct ndr_pull *ndr, int ndr_flags, struct tdb_xattr *r)
+{
+ if (ndr_flags & NDR_SCALARS) {
+ NDR_CHECK(ndr_pull_align(ndr, 4));
+ {
+ uint32_t _flags_save_string = ndr->flags;
+ ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_UTF8|LIBNDR_FLAG_STR_NULLTERM);
+ NDR_CHECK(ndr_pull_string(ndr, NDR_SCALARS, &r->name));
+ ndr->flags = _flags_save_string;
+ }
+ NDR_CHECK(ndr_pull_DATA_BLOB(ndr, NDR_SCALARS, &r->value));
+ }
+ if (ndr_flags & NDR_BUFFERS) {
+ }
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ void ndr_print_tdb_xattr(struct ndr_print *ndr, const char *name, const struct tdb_xattr *r)
+{
+ ndr_print_struct(ndr, name, "tdb_xattr");
+ ndr->depth++;
+ ndr_print_string(ndr, "name", r->name);
+ ndr_print_DATA_BLOB(ndr, "value", r->value);
+ ndr->depth--;
+}
+
+_PUBLIC_ enum ndr_err_code ndr_push_tdb_xattrs(struct ndr_push *ndr, int ndr_flags, const struct tdb_xattrs *r)
+{
+ uint32_t cntr_xattrs_0;
+ if (ndr_flags & NDR_SCALARS) {
+ NDR_CHECK(ndr_push_align(ndr, 4));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->num_xattrs));
+ for (cntr_xattrs_0 = 0; cntr_xattrs_0 < r->num_xattrs; cntr_xattrs_0++) {
+ NDR_CHECK(ndr_push_tdb_xattr(ndr, NDR_SCALARS, &r->xattrs[cntr_xattrs_0]));
+ }
+ }
+ if (ndr_flags & NDR_BUFFERS) {
+ }
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ enum ndr_err_code ndr_pull_tdb_xattrs(struct ndr_pull *ndr, int ndr_flags, struct tdb_xattrs *r)
+{
+ uint32_t cntr_xattrs_0;
+ TALLOC_CTX *_mem_save_xattrs_0;
+ if (ndr_flags & NDR_SCALARS) {
+ NDR_CHECK(ndr_pull_align(ndr, 4));
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->num_xattrs));
+ NDR_PULL_ALLOC_N(ndr, r->xattrs, r->num_xattrs);
+ _mem_save_xattrs_0 = NDR_PULL_GET_MEM_CTX(ndr);
+ NDR_PULL_SET_MEM_CTX(ndr, r->xattrs, 0);
+ for (cntr_xattrs_0 = 0; cntr_xattrs_0 < r->num_xattrs; cntr_xattrs_0++) {
+ NDR_CHECK(ndr_pull_tdb_xattr(ndr, NDR_SCALARS, &r->xattrs[cntr_xattrs_0]));
+ }
+ NDR_PULL_SET_MEM_CTX(ndr, _mem_save_xattrs_0, 0);
+ }
+ if (ndr_flags & NDR_BUFFERS) {
+ }
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ void ndr_print_tdb_xattrs(struct ndr_print *ndr, const char *name, const struct tdb_xattrs *r)
+{
+ uint32_t cntr_xattrs_0;
+ ndr_print_struct(ndr, name, "tdb_xattrs");
+ ndr->depth++;
+ ndr_print_uint32(ndr, "num_xattrs", r->num_xattrs);
+ ndr->print(ndr, "%s: ARRAY(%d)", "xattrs", r->num_xattrs);
+ ndr->depth++;
+ for (cntr_xattrs_0=0;cntr_xattrs_0<r->num_xattrs;cntr_xattrs_0++) {
+ char *idx_0=NULL;
+ asprintf(&idx_0, "[%d]", cntr_xattrs_0);
+ if (idx_0) {
+ ndr_print_tdb_xattr(ndr, "xattrs", &r->xattrs[cntr_xattrs_0]);
+ free(idx_0);
+ }
+ }
+ ndr->depth--;
+ ndr->depth--;
+}
--- /dev/null
+/*
+ * Store posix-level xattrs in a tdb
+ *
+ * Copyright (C) Volker Lendecke, 2007
+ *
+ * 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"
+#include "librpc/gen_ndr/xattr.h"
+#include "librpc/gen_ndr/ndr_xattr.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_VFS
+
+/*
+ * unmarshall tdb_xattrs
+ */
+
+static NTSTATUS ea_tdb_pull_attrs(TALLOC_CTX *mem_ctx,
+ const TDB_DATA *data,
+ struct tdb_xattrs **presult)
+{
+ DATA_BLOB blob;
+ enum ndr_err_code ndr_err;
+ struct tdb_xattrs *result;
+
+ if (!(result = TALLOC_ZERO_P(mem_ctx, struct tdb_xattrs))) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (data->dsize == 0) {
+ *presult = result;
+ return NT_STATUS_OK;
+ }
+
+ blob = data_blob_const(data->dptr, data->dsize);
+
+ ndr_err = ndr_pull_struct_blob(
+ &blob, result, result,
+ (ndr_pull_flags_fn_t)ndr_pull_tdb_xattrs);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(0, ("ndr_pull_tdb_xattrs failed: %s\n",
+ ndr_errstr(ndr_err)));
+ TALLOC_FREE(result);
+ return ndr_map_error2ntstatus(ndr_err);;
+ }
+
+ *presult = result;
+ return NT_STATUS_OK;
+}
+
+/*
+ * marshall tdb_xattrs
+ */
+
+static NTSTATUS ea_tdb_push_attrs(TALLOC_CTX *mem_ctx,
+ const struct tdb_xattrs *attribs,
+ TDB_DATA *data)
+{
+ DATA_BLOB blob;
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_push_struct_blob(
+ &blob, mem_ctx, attribs,
+ (ndr_push_flags_fn_t)ndr_push_tdb_xattrs);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(0, ("ndr_push_tdb_xattrs failed: %s\n",
+ ndr_errstr(ndr_err)));
+ return ndr_map_error2ntstatus(ndr_err);;
+ }
+
+ *data = make_tdb_data(blob.data, blob.length);
+ return NT_STATUS_OK;
+}
+
+/*
+ * Load tdb_xattrs for a file from the tdb
+ */
+
+static NTSTATUS ea_tdb_load_attrs(TALLOC_CTX *mem_ctx,
+ struct db_context *db_ctx,
+ const struct file_id *id,
+ struct tdb_xattrs **presult)
+{
+ uint8 id_buf[16];
+ NTSTATUS status;
+ TDB_DATA data;
+
+ push_file_id_16((char *)id_buf, id);
+
+ if (db_ctx->fetch(db_ctx, mem_ctx,
+ make_tdb_data(id_buf, sizeof(id_buf)),
+ &data) == -1) {
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ status = ea_tdb_pull_attrs(mem_ctx, &data, presult);
+ TALLOC_FREE(data.dptr);
+ return NT_STATUS_OK;
+}
+
+/*
+ * fetch_lock the tdb_ea record for a file
+ */
+
+static struct db_record *ea_tdb_lock_attrs(TALLOC_CTX *mem_ctx,
+ struct db_context *db_ctx,
+ const struct file_id *id)
+{
+ uint8 id_buf[16];
+ push_file_id_16((char *)id_buf, id);
+ return db_ctx->fetch_locked(db_ctx, mem_ctx,
+ make_tdb_data(id_buf, sizeof(id_buf)));
+}
+
+/*
+ * Save tdb_xattrs to a previously fetch_locked record
+ */
+
+static NTSTATUS ea_tdb_save_attrs(struct db_record *rec,
+ const struct tdb_xattrs *attribs)
+{
+ TDB_DATA data;
+ NTSTATUS status;
+
+ status = ea_tdb_push_attrs(talloc_tos(), attribs, &data);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("ea_tdb_push_attrs failed: %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+
+ status = rec->store(rec, data, 0);
+
+ TALLOC_FREE(data.dptr);
+
+ return status;
+}
+
+/*
+ * Worker routine for getxattr and fgetxattr
+ */
+
+static ssize_t ea_tdb_getattr(struct db_context *db_ctx,
+ const struct file_id *id,
+ const char *name, void *value, size_t size)
+{
+ struct tdb_xattrs *attribs;
+ uint32_t i;
+ ssize_t result = -1;
+ NTSTATUS status;
+
+ status = ea_tdb_load_attrs(talloc_tos(), db_ctx, id, &attribs);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("ea_tdb_fetch_attrs failed: %s\n",
+ nt_errstr(status)));
+ errno = EINVAL;
+ return -1;
+ }
+
+ for (i=0; i<attribs->num_xattrs; i++) {
+ if (strcmp(attribs->xattrs[i].name, name) == 0) {
+ break;
+ }
+ }
+
+ if (i == attribs->num_xattrs) {
+ errno = ENOATTR;
+ goto fail;
+ }
+
+ if (attribs->xattrs[i].value.length > size) {
+ errno = ERANGE;
+ goto fail;
+ }
+
+ memcpy(value, attribs->xattrs[i].value.data,
+ attribs->xattrs[i].value.length);
+ result = attribs->xattrs[i].value.length;
+
+ fail:
+ TALLOC_FREE(attribs);
+ return result;
+}
+
+static ssize_t ea_tdb_getxattr(struct vfs_handle_struct *handle,
+ const char *path, const char *name,
+ void *value, size_t size)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ return ea_tdb_getattr(db, &id, name, value, size);
+}
+
+static ssize_t ea_tdb_fgetxattr(struct vfs_handle_struct *handle,
+ struct files_struct *fsp,
+ const char *name, void *value, size_t size)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ return ea_tdb_getattr(db, &id, name, value, size);
+}
+
+/*
+ * Worker routine for setxattr and fsetxattr
+ */
+
+static int ea_tdb_setattr(struct db_context *db_ctx,
+ const struct file_id *id, const char *name,
+ const void *value, size_t size, int flags)
+{
+ NTSTATUS status;
+ struct db_record *rec;
+ struct tdb_xattrs *attribs;
+ uint32_t i;
+
+ rec = ea_tdb_lock_attrs(talloc_tos(), db_ctx, id);
+
+ if (rec == NULL) {
+ DEBUG(0, ("ea_tdb_lock_attrs failed\n"));
+ errno = EINVAL;
+ return -1;
+ }
+
+ status = ea_tdb_pull_attrs(rec, &rec->value, &attribs);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("ea_tdb_fetch_attrs failed: %s\n",
+ nt_errstr(status)));
+ TALLOC_FREE(rec);
+ return -1;
+ }
+
+ for (i=0; i<attribs->num_xattrs; i++) {
+ if (strcmp(attribs->xattrs[i].name, name) == 0) {
+ break;
+ }
+ }
+
+ if (i == attribs->num_xattrs) {
+ struct tdb_xattr *tmp;
+
+ tmp = TALLOC_REALLOC_ARRAY(
+ attribs, attribs->xattrs, struct tdb_xattr,
+ attribs->num_xattrs + 1);
+
+ if (tmp == NULL) {
+ DEBUG(0, ("TALLOC_REALLOC_ARRAY failed\n"));
+ TALLOC_FREE(rec);
+ errno = ENOMEM;
+ return -1;
+ }
+
+ attribs->xattrs = tmp;
+ attribs->num_xattrs += 1;
+ }
+
+ attribs->xattrs[i].name = name;
+ attribs->xattrs[i].value.data = CONST_DISCARD(uint8 *, value);
+ attribs->xattrs[i].value.length = size;
+
+ status = ea_tdb_save_attrs(rec, attribs);
+
+ TALLOC_FREE(rec);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("save failed: %s\n", nt_errstr(status)));
+ return -1;
+ }
+
+ return 0;
+}
+
+static int ea_tdb_setxattr(struct vfs_handle_struct *handle,
+ const char *path, const char *name,
+ const void *value, size_t size, int flags)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ return ea_tdb_setattr(db, &id, name, value, size, flags);
+}
+
+static int ea_tdb_fsetxattr(struct vfs_handle_struct *handle,
+ struct files_struct *fsp,
+ const char *name, const void *value,
+ size_t size, int flags)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ return ea_tdb_setattr(db, &id, name, value, size, flags);
+}
+
+/*
+ * Worker routine for listxattr and flistxattr
+ */
+
+static ssize_t ea_tdb_listattr(struct db_context *db_ctx,
+ const struct file_id *id, char *list,
+ size_t size)
+{
+ NTSTATUS status;
+ struct tdb_xattrs *attribs;
+ uint32_t i;
+ size_t len = 0;
+
+ status = ea_tdb_load_attrs(talloc_tos(), db_ctx, id, &attribs);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("ea_tdb_fetch_attrs failed: %s\n",
+ nt_errstr(status)));
+ errno = EINVAL;
+ return -1;
+ }
+
+ DEBUG(10, ("ea_tdb_listattr: Found %d xattrs\n", attribs->num_xattrs));
+
+ for (i=0; i<attribs->num_xattrs; i++) {
+ size_t tmp;
+
+ DEBUG(10, ("ea_tdb_listattr: xattrs[i].name: %s\n",
+ attribs->xattrs[i].name));
+
+ tmp = strlen(attribs->xattrs[i].name);
+
+ /*
+ * Try to protect against overflow
+ */
+
+ if (len + (tmp+1) < len) {
+ TALLOC_FREE(attribs);
+ errno = EINVAL;
+ return -1;
+ }
+
+ /*
+ * Take care of the terminating NULL
+ */
+ len += (tmp + 1);
+ }
+
+ if (len > size) {
+ TALLOC_FREE(attribs);
+ errno = ERANGE;
+ return -1;
+ }
+
+ len = 0;
+
+ for (i=0; i<attribs->num_xattrs; i++) {
+ strlcpy(list+len, attribs->xattrs[i].name,
+ size-len);
+ len += (strlen(attribs->xattrs[i].name) + 1);
+ }
+
+ TALLOC_FREE(attribs);
+ return len;
+}
+
+static ssize_t ea_tdb_listxattr(struct vfs_handle_struct *handle,
+ const char *path, char *list, size_t size)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ return ea_tdb_listattr(db, &id, list, size);
+}
+
+static ssize_t ea_tdb_flistxattr(struct vfs_handle_struct *handle,
+ struct files_struct *fsp, char *list,
+ size_t size)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ return ea_tdb_listattr(db, &id, list, size);
+}
+
+/*
+ * Worker routine for removexattr and fremovexattr
+ */
+
+static int ea_tdb_removeattr(struct db_context *db_ctx,
+ const struct file_id *id, const char *name)
+{
+ NTSTATUS status;
+ struct db_record *rec;
+ struct tdb_xattrs *attribs;
+ uint32_t i;
+
+ rec = ea_tdb_lock_attrs(talloc_tos(), db_ctx, id);
+
+ if (rec == NULL) {
+ DEBUG(0, ("ea_tdb_lock_attrs failed\n"));
+ errno = EINVAL;
+ return -1;
+ }
+
+ status = ea_tdb_pull_attrs(rec, &rec->value, &attribs);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("ea_tdb_fetch_attrs failed: %s\n",
+ nt_errstr(status)));
+ TALLOC_FREE(rec);
+ return -1;
+ }
+
+ for (i=0; i<attribs->num_xattrs; i++) {
+ if (strcmp(attribs->xattrs[i].name, name) == 0) {
+ break;
+ }
+ }
+
+ if (i == attribs->num_xattrs) {
+ TALLOC_FREE(rec);
+ errno = ENOATTR;
+ return -1;
+ }
+
+ attribs->xattrs[i] =
+ attribs->xattrs[attribs->num_xattrs-1];
+ attribs->num_xattrs -= 1;
+
+ if (attribs->num_xattrs == 0) {
+ rec->delete_rec(rec);
+ TALLOC_FREE(rec);
+ return 0;
+ }
+
+ status = ea_tdb_save_attrs(rec, attribs);
+
+ TALLOC_FREE(rec);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("save failed: %s\n", nt_errstr(status)));
+ return -1;
+ }
+
+ return 0;
+}
+
+static int ea_tdb_removexattr(struct vfs_handle_struct *handle,
+ const char *path, const char *name)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ return ea_tdb_removeattr(db, &id, name);
+}
+
+static int ea_tdb_fremovexattr(struct vfs_handle_struct *handle,
+ struct files_struct *fsp, const char *name)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ return ea_tdb_removeattr(db, &id, name);
+}
+
+/*
+ * Open the tdb file upon VFS_CONNECT
+ */
+
+static bool ea_tdb_init(int snum, struct db_context **p_db)
+{
+ struct db_context *db;
+ const char *dbname;
+
+ dbname = lp_parm_const_string(snum, "ea", "tdb", lock_path("eas.tdb"));
+
+ if (dbname == NULL) {
+ errno = ENOTSUP;
+ return false;
+ }
+
+ become_root();
+ db = db_open(NULL, dbname, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
+ unbecome_root();
+
+ if (db == NULL) {
+ errno = ENOTSUP;
+ return false;
+ }
+
+ *p_db = db;
+ return true;
+}
+
+/*
+ * On unlink we need to delete the tdb record
+ */
+static int ea_tdb_unlink(vfs_handle_struct *handle, const char *path)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+ struct db_record *rec;
+ int ret;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ return -1;
+ }
+
+ ret = SMB_VFS_NEXT_UNLINK(handle, path);
+
+ if (ret == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ rec = ea_tdb_lock_attrs(talloc_tos(), db, &id);
+
+ /*
+ * If rec == NULL there's not much we can do about it
+ */
+
+ if (rec != NULL) {
+ rec->delete_rec(rec);
+ TALLOC_FREE(rec);
+ }
+
+ return 0;
+}
+
+/*
+ * On rmdir we need to delete the tdb record
+ */
+static int ea_tdb_rmdir(vfs_handle_struct *handle, const char *path)
+{
+ SMB_STRUCT_STAT sbuf;
+ struct file_id id;
+ struct db_context *db;
+ struct db_record *rec;
+ int ret;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
+
+ if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ return -1;
+ }
+
+ ret = SMB_VFS_NEXT_RMDIR(handle, path);
+
+ if (ret == -1) {
+ return -1;
+ }
+
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+
+ rec = ea_tdb_lock_attrs(talloc_tos(), db, &id);
+
+ /*
+ * If rec == NULL there's not much we can do about it
+ */
+
+ if (rec != NULL) {
+ rec->delete_rec(rec);
+ TALLOC_FREE(rec);
+ }
+
+ return 0;
+}
+
+/*
+ * Destructor for the VFS private data
+ */
+
+static void close_ea_db(void **data)
+{
+ struct db_context **p_db = (struct db_context **)data;
+ TALLOC_FREE(*p_db);
+}
+
+static int ea_tdb_connect(vfs_handle_struct *handle, const char *service,
+ const char *user)
+{
+ fstring sname;
+ int res, snum;
+ struct db_context *db;
+
+ res = SMB_VFS_NEXT_CONNECT(handle, service, user);
+ if (res < 0) {
+ return res;
+ }
+
+ fstrcpy(sname, service);
+ snum = find_service(sname);
+ if (snum == -1) {
+ /*
+ * Should not happen, but we should not fail just *here*.
+ */
+ return 0;
+ }
+
+ if (!ea_tdb_init(snum, &db)) {
+ DEBUG(5, ("Could not init ea tdb\n"));
+ lp_do_parameter(snum, "ea support", "False");
+ return 0;
+ }
+
+ lp_do_parameter(snum, "ea support", "True");
+
+ SMB_VFS_HANDLE_SET_DATA(handle, db, close_ea_db,
+ struct db_context, return -1);
+
+ return 0;
+}
+
+/* VFS operations structure */
+
+static const vfs_op_tuple ea_tdb_ops[] = {
+ {SMB_VFS_OP(ea_tdb_getxattr), SMB_VFS_OP_GETXATTR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_fgetxattr), SMB_VFS_OP_FGETXATTR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_setxattr), SMB_VFS_OP_SETXATTR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_fsetxattr), SMB_VFS_OP_FSETXATTR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_listxattr), SMB_VFS_OP_LISTXATTR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_flistxattr), SMB_VFS_OP_FLISTXATTR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_removexattr), SMB_VFS_OP_REMOVEXATTR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_fremovexattr), SMB_VFS_OP_FREMOVEXATTR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_unlink), SMB_VFS_OP_UNLINK,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_rmdir), SMB_VFS_OP_RMDIR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(ea_tdb_connect), SMB_VFS_OP_CONNECT,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
+};
+
+NTSTATUS vfs_ea_tdb_init(void);
+NTSTATUS vfs_ea_tdb_init(void)
+{
+ return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "ea_tdb",
+ ea_tdb_ops);
+}
git.samba.org / ira / wip.git / commitdiff