12 static inline char *ndr_get_field(struct ndr *n)  in ndr_get_field()  argument
14 	return n->data + n->offset;  in ndr_get_field()
17 static int try_to_realloc_ndr_blob(struct ndr *n, size_t sz)  in try_to_realloc_ndr_blob()  argument
21 	data = krealloc(n->data, n->offset + sz + 1024, GFP_KERNEL);  in try_to_realloc_ndr_blob()
25 	n->data = data;  in try_to_realloc_ndr_blob()
26 	n->length += 1024;  in try_to_realloc_ndr_blob()
27 	memset(n->data + n->offset, 0, 1024);  in try_to_realloc_ndr_blob()
31 static int ndr_write_int16(struct ndr *n, __u16 value)  in ndr_write_int16()  argument
33 	if (n->length <= n->offset + sizeof(value)) {  in ndr_write_int16()
36 		ret = try_to_realloc_ndr_blob(n, sizeof(value));  in ndr_write_int16()
41 	*(__le16 *)ndr_get_field(n) = cpu_to_le16(value);  in ndr_write_int16()
42 	n->offset += sizeof(value);  in ndr_write_int16()
46 static int ndr_write_int32(struct ndr *n, __u32 value)  in ndr_write_int32()  argument
48 	if (n->length <= n->offset + sizeof(value)) {  in ndr_write_int32()
51 		ret = try_to_realloc_ndr_blob(n, sizeof(value));  in ndr_write_int32()
56 	*(__le32 *)ndr_get_field(n) = cpu_to_le32(value);  in ndr_write_int32()
57 	n->offset += sizeof(value);  in ndr_write_int32()
61 static int ndr_write_int64(struct ndr *n, __u64 value)  in ndr_write_int64()  argument
63 	if (n->length <= n->offset + sizeof(value)) {  in ndr_write_int64()
66 		ret = try_to_realloc_ndr_blob(n, sizeof(value));  in ndr_write_int64()
71 	*(__le64 *)ndr_get_field(n) = cpu_to_le64(value);  in ndr_write_int64()
72 	n->offset += sizeof(value);  in ndr_write_int64()
76 static int ndr_write_bytes(struct ndr *n, void *value, size_t sz)  in ndr_write_bytes()  argument
78 	if (n->length <= n->offset + sz) {  in ndr_write_bytes()
81 		ret = try_to_realloc_ndr_blob(n, sz);  in ndr_write_bytes()
86 	memcpy(ndr_get_field(n), value, sz);  in ndr_write_bytes()
87 	n->offset += sz;  in ndr_write_bytes()
91 static int ndr_write_string(struct ndr *n, char *value)  in ndr_write_string()  argument
96 	if (n->length <= n->offset + sz) {  in ndr_write_string()
99 		ret = try_to_realloc_ndr_blob(n, sz);  in ndr_write_string()
104 	memcpy(ndr_get_field(n), value, sz);  in ndr_write_string()
105 	n->offset += sz;  in ndr_write_string()
106 	n->offset = ALIGN(n->offset, 2);  in ndr_write_string()
110 static int ndr_read_string(struct ndr *n, void *value, size_t sz)  in ndr_read_string()  argument
114 	if (n->offset + sz > n->length)  in ndr_read_string()
117 	len = strnlen(ndr_get_field(n), sz);  in ndr_read_string()
119 		memcpy(value, ndr_get_field(n), len);  in ndr_read_string()
121 	n->offset += len;  in ndr_read_string()
122 	n->offset = ALIGN(n->offset, 2);  in ndr_read_string()
126 static int ndr_read_bytes(struct ndr *n, void *value, size_t sz)  in ndr_read_bytes()  argument
128 	if (n->offset + sz > n->length)  in ndr_read_bytes()
132 		memcpy(value, ndr_get_field(n), sz);  in ndr_read_bytes()
133 	n->offset += sz;  in ndr_read_bytes()
137 static int ndr_read_int16(struct ndr *n, __u16 *value)  in ndr_read_int16()  argument
139 	if (n->offset + sizeof(__u16) > n->length)  in ndr_read_int16()
143 		*value = le16_to_cpu(*(__le16 *)ndr_get_field(n));  in ndr_read_int16()
144 	n->offset += sizeof(__u16);  in ndr_read_int16()
148 static int ndr_read_int32(struct ndr *n, __u32 *value)  in ndr_read_int32()  argument
150 	if (n->offset + sizeof(__u32) > n->length)  in ndr_read_int32()
154 		*value = le32_to_cpu(*(__le32 *)ndr_get_field(n));  in ndr_read_int32()
155 	n->offset += sizeof(__u32);  in ndr_read_int32()
159 static int ndr_read_int64(struct ndr *n, __u64 *value)  in ndr_read_int64()  argument
161 	if (n->offset + sizeof(__u64) > n->length)  in ndr_read_int64()
165 		*value = le64_to_cpu(*(__le64 *)ndr_get_field(n));  in ndr_read_int64()
166 	n->offset += sizeof(__u64);  in ndr_read_int64()
170 int ndr_encode_dos_attr(struct ndr *n, struct xattr_dos_attrib *da)  in ndr_encode_dos_attr()  argument
175 	n->offset = 0;  in ndr_encode_dos_attr()
176 	n->length = 1024;  in ndr_encode_dos_attr()
177 	n->data = kzalloc(n->length, GFP_KERNEL);  in ndr_encode_dos_attr()
178 	if (!n->data)  in ndr_encode_dos_attr()
183 		ret = ndr_write_string(n, hex_attr);  in ndr_encode_dos_attr()
185 		ret = ndr_write_string(n, "");  in ndr_encode_dos_attr()
190 	ret = ndr_write_int16(n, da->version);  in ndr_encode_dos_attr()
194 	ret = ndr_write_int32(n, da->version);  in ndr_encode_dos_attr()
198 	ret = ndr_write_int32(n, da->flags);  in ndr_encode_dos_attr()
202 	ret = ndr_write_int32(n, da->attr);  in ndr_encode_dos_attr()
207 		ret = ndr_write_int32(n, da->ea_size);  in ndr_encode_dos_attr()
210 		ret = ndr_write_int64(n, da->size);  in ndr_encode_dos_attr()
213 		ret = ndr_write_int64(n, da->alloc_size);  in ndr_encode_dos_attr()
215 		ret = ndr_write_int64(n, da->itime);  in ndr_encode_dos_attr()
220 	ret = ndr_write_int64(n, da->create_time);  in ndr_encode_dos_attr()
225 		ret = ndr_write_int64(n, da->change_time);  in ndr_encode_dos_attr()
229 int ndr_decode_dos_attr(struct ndr *n, struct xattr_dos_attrib *da)  in ndr_decode_dos_attr()  argument
235 	n->offset = 0;  in ndr_decode_dos_attr()
236 	ret = ndr_read_string(n, hex_attr, sizeof(hex_attr));  in ndr_decode_dos_attr()
240 	ret = ndr_read_int16(n, &da->version);  in ndr_decode_dos_attr()
249 	ret = ndr_read_int32(n, &version2);  in ndr_decode_dos_attr()
259 	ret = ndr_read_int32(n, NULL);  in ndr_decode_dos_attr()
263 	ret = ndr_read_int32(n, &da->attr);  in ndr_decode_dos_attr()
268 		ret = ndr_read_int64(n, &da->itime);  in ndr_decode_dos_attr()
272 		ret = ndr_read_int64(n, &da->create_time);  in ndr_decode_dos_attr()
274 		ret = ndr_read_int32(n, NULL);  in ndr_decode_dos_attr()
278 		ret = ndr_read_int64(n, NULL);  in ndr_decode_dos_attr()
282 		ret = ndr_read_int64(n, NULL);  in ndr_decode_dos_attr()
286 		ret = ndr_read_int64(n, &da->create_time);  in ndr_decode_dos_attr()
290 		ret = ndr_read_int64(n, NULL);  in ndr_decode_dos_attr()
296 static int ndr_encode_posix_acl_entry(struct ndr *n, struct xattr_smb_acl *acl)  in ndr_encode_posix_acl_entry()  argument
300 	ret = ndr_write_int32(n, acl->count);  in ndr_encode_posix_acl_entry()
304 	n->offset = ALIGN(n->offset, 8);  in ndr_encode_posix_acl_entry()
305 	ret = ndr_write_int32(n, acl->count);  in ndr_encode_posix_acl_entry()
309 	ret = ndr_write_int32(n, 0);  in ndr_encode_posix_acl_entry()
314 		n->offset = ALIGN(n->offset, 8);  in ndr_encode_posix_acl_entry()
315 		ret = ndr_write_int16(n, acl->entries[i].type);  in ndr_encode_posix_acl_entry()
319 		ret = ndr_write_int16(n, acl->entries[i].type);  in ndr_encode_posix_acl_entry()
324 			n->offset = ALIGN(n->offset, 8);  in ndr_encode_posix_acl_entry()
325 			ret = ndr_write_int64(n, acl->entries[i].uid);  in ndr_encode_posix_acl_entry()
327 			n->offset = ALIGN(n->offset, 8);  in ndr_encode_posix_acl_entry()
328 			ret = ndr_write_int64(n, acl->entries[i].gid);  in ndr_encode_posix_acl_entry()
334 		ret = ndr_write_int32(n, acl->entries[i].perm);  in ndr_encode_posix_acl_entry()
340 int ndr_encode_posix_acl(struct ndr *n,  in ndr_encode_posix_acl()  argument
351 	n->offset = 0;  in ndr_encode_posix_acl()
352 	n->length = 1024;  in ndr_encode_posix_acl()
353 	n->data = kzalloc(n->length, GFP_KERNEL);  in ndr_encode_posix_acl()
354 	if (!n->data)  in ndr_encode_posix_acl()
359 		ret = ndr_write_int32(n, ref_id);  in ndr_encode_posix_acl()
362 		ret = ndr_write_int32(n, 0);  in ndr_encode_posix_acl()
369 		ret = ndr_write_int32(n, ref_id);  in ndr_encode_posix_acl()
372 		ret = ndr_write_int32(n, 0);  in ndr_encode_posix_acl()
378 	ret = ndr_write_int64(n, from_kuid(&init_user_ns, vfsuid_into_kuid(vfsuid)));  in ndr_encode_posix_acl()
382 	ret = ndr_write_int64(n, from_kgid(&init_user_ns, vfsgid_into_kgid(vfsgid)));  in ndr_encode_posix_acl()
385 	ret = ndr_write_int32(n, inode->i_mode);  in ndr_encode_posix_acl()
390 		ret = ndr_encode_posix_acl_entry(n, acl);  in ndr_encode_posix_acl()
392 			ret = ndr_encode_posix_acl_entry(n, def_acl);  in ndr_encode_posix_acl()
397 int ndr_encode_v4_ntacl(struct ndr *n, struct xattr_ntacl *acl)  in ndr_encode_v4_ntacl()  argument
402 	n->offset = 0;  in ndr_encode_v4_ntacl()
403 	n->length = 2048;  in ndr_encode_v4_ntacl()
404 	n->data = kzalloc(n->length, GFP_KERNEL);  in ndr_encode_v4_ntacl()
405 	if (!n->data)  in ndr_encode_v4_ntacl()
408 	ret = ndr_write_int16(n, acl->version);  in ndr_encode_v4_ntacl()
412 	ret = ndr_write_int32(n, acl->version);  in ndr_encode_v4_ntacl()
416 	ret = ndr_write_int16(n, 2);  in ndr_encode_v4_ntacl()
420 	ret = ndr_write_int32(n, ref_id);  in ndr_encode_v4_ntacl()
425 	ret = ndr_write_int16(n, acl->hash_type);  in ndr_encode_v4_ntacl()
429 	ret = ndr_write_bytes(n, acl->hash, XATTR_SD_HASH_SIZE);  in ndr_encode_v4_ntacl()
433 	ret = ndr_write_bytes(n, acl->desc, acl->desc_len);  in ndr_encode_v4_ntacl()
437 	ret = ndr_write_int64(n, acl->current_time);  in ndr_encode_v4_ntacl()
441 	ret = ndr_write_bytes(n, acl->posix_acl_hash, XATTR_SD_HASH_SIZE);  in ndr_encode_v4_ntacl()
446 	ret = ndr_write_bytes(n, acl->sd_buf, acl->sd_size);  in ndr_encode_v4_ntacl()
450 int ndr_decode_v4_ntacl(struct ndr *n, struct xattr_ntacl *acl)  in ndr_decode_v4_ntacl()  argument
455 	n->offset = 0;  in ndr_decode_v4_ntacl()
456 	ret = ndr_read_int16(n, &acl->version);  in ndr_decode_v4_ntacl()
464 	ret = ndr_read_int32(n, &version2);  in ndr_decode_v4_ntacl()
474 	ret = ndr_read_int16(n, NULL);  in ndr_decode_v4_ntacl()
479 	ret = ndr_read_int32(n, NULL);  in ndr_decode_v4_ntacl()
483 	ret = ndr_read_int16(n, &acl->hash_type);  in ndr_decode_v4_ntacl()
487 	ret = ndr_read_bytes(n, acl->hash, XATTR_SD_HASH_SIZE);  in ndr_decode_v4_ntacl()
491 	ndr_read_bytes(n, acl->desc, 10);  in ndr_decode_v4_ntacl()
498 	ret = ndr_read_int64(n, NULL);  in ndr_decode_v4_ntacl()
503 	ret = ndr_read_bytes(n, acl->posix_acl_hash, XATTR_SD_HASH_SIZE);  in ndr_decode_v4_ntacl()
507 	acl->sd_size = n->length - n->offset;  in ndr_decode_v4_ntacl()
512 	ret = ndr_read_bytes(n, acl->sd_buf, acl->sd_size);  in ndr_decode_v4_ntacl()