{
struct ndr_pull *ndr;
- ndr = talloc_p(mem_ctx, struct ndr_pull);
+ ndr = talloc_zero(mem_ctx, struct ndr_pull);
if (!ndr) return NULL;
- ndr->flags = 0;
ndr->data = blob->data;
ndr->data_size = blob->length;
- ndr->offset = 0;
- ndr->ptr_count = 0;
- ndr->relative_list = NULL;
return ndr;
}
{
struct ndr_push *ndr;
- ndr = talloc(mem_ctx, sizeof(*ndr));
+ ndr = talloc_zero(mem_ctx, struct ndr_push);
if (!ndr) {
return NULL;
}
ndr->flags = 0;
ndr->alloc_size = NDR_BASE_MARSHALL_SIZE;
- ndr->data = talloc(ndr, ndr->alloc_size);
+ ndr->data = talloc_array(ndr, uint8_t, ndr->alloc_size);
if (!ndr->data) {
return NULL;
}
- ndr->offset = 0;
- ndr->ptr_count = 0;
- ndr->relative_list = NULL;
return ndr;
}
if (size > ndr->alloc_size) {
ndr->alloc_size = size;
}
- ndr->data = talloc_realloc(ndr, ndr->data, ndr->alloc_size);
+ ndr->data = talloc_realloc(ndr, ndr->data, uint8_t, ndr->alloc_size);
if (!ndr->data) {
return ndr_push_error(ndr, NDR_ERR_ALLOC, "Failed to push_expand to %u",
ndr->alloc_size);
{
struct ndr_print *ndr;
- ndr = talloc_p(NULL, struct ndr_print);
+ ndr = talloc(NULL, struct ndr_print);
if (!ndr) return;
ndr->print = ndr_print_debug_helper;
ndr->depth = 1;
{
struct ndr_print *ndr;
- ndr = talloc_p(NULL, struct ndr_print);
+ ndr = talloc(NULL, struct ndr_print);
if (!ndr) return;
ndr->print = ndr_print_debug_helper;
ndr->depth = 1;
{
struct ndr_print *ndr;
- ndr = talloc_p(NULL, struct ndr_print);
+ ndr = talloc(NULL, struct ndr_print);
if (!ndr) return;
ndr->print = ndr_print_debug_helper;
ndr->depth = 1;
switch (err) {
case NDR_ERR_BUFSIZE:
return NT_STATUS_BUFFER_TOO_SMALL;
+ case NDR_ERR_TOKEN:
+ return NT_STATUS_INTERNAL_ERROR;
case NDR_ERR_ALLOC:
return NT_STATUS_NO_MEMORY;
+ case NDR_ERR_ARRAY_SIZE:
+ return NT_STATUS_ARRAY_BOUNDS_EXCEEDED;
default:
break;
}
handle subcontext buffers, which in midl land are user-marshalled, but
we use magic in pidl to make them easier to cope with
*/
-static NTSTATUS ndr_pull_subcontext_header(struct ndr_pull *ndr,
+NTSTATUS ndr_pull_subcontext_header(struct ndr_pull *ndr,
size_t sub_size,
struct ndr_pull *ndr2)
{
+ ndr2->flags = ndr->flags;
+
switch (sub_size) {
case 0: {
uint32_t size = ndr->data_size - ndr->offset;
- if (size == 0) return NT_STATUS_OK;
NDR_CHECK(ndr_pull_subcontext(ndr, ndr2, size));
break;
}
case 2: {
uint16_t size;
- NDR_CHECK(ndr_pull_uint16(ndr, &size));
- if (size == 0) return NT_STATUS_OK;
+ NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &size));
NDR_CHECK(ndr_pull_subcontext(ndr, ndr2, size));
break;
}
case 4: {
uint32_t size;
- NDR_CHECK(ndr_pull_uint32(ndr, &size));
- if (size == 0) return NT_STATUS_OK;
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &size));
NDR_CHECK(ndr_pull_subcontext(ndr, ndr2, size));
break;
}
return NT_STATUS_OK;
}
-/*
- handle subcontext buffers, which in midl land are user-marshalled, but
- we use magic in pidl to make them easier to cope with
-*/
-NTSTATUS ndr_pull_subcontext_fn(struct ndr_pull *ndr, size_t sub_size,
- void *base, ndr_pull_fn_t fn)
-{
- struct ndr_pull *ndr2;
- NDR_ALLOC(ndr, ndr2);
- NDR_CHECK(ndr_pull_subcontext_header(ndr, sub_size, ndr2));
- NDR_CHECK(fn(ndr2, base));
- if (sub_size) {
- NDR_CHECK(ndr_pull_advance(ndr, ndr2->data_size));
- } else {
- NDR_CHECK(ndr_pull_advance(ndr, ndr2->offset));
- }
- return NT_STATUS_OK;
-}
-
-
-NTSTATUS ndr_pull_subcontext_flags_fn(struct ndr_pull *ndr, size_t sub_size,
- void *base, ndr_pull_flags_fn_t fn)
-{
- struct ndr_pull *ndr2;
- NDR_ALLOC(ndr, ndr2);
- NDR_CHECK(ndr_pull_subcontext_header(ndr, sub_size, ndr2));
- NDR_CHECK(fn(ndr2, NDR_SCALARS|NDR_BUFFERS, base));
- if (sub_size) {
- NDR_CHECK(ndr_pull_advance(ndr, ndr2->data_size));
- } else {
- NDR_CHECK(ndr_pull_advance(ndr, ndr2->offset));
- }
- return NT_STATUS_OK;
-}
-
-NTSTATUS ndr_pull_subcontext_union_fn(struct ndr_pull *ndr, size_t sub_size,
- uint32_t level, void *base, ndr_pull_union_fn_t fn)
-{
- struct ndr_pull *ndr2;
-
- NDR_ALLOC(ndr, ndr2);
- NDR_CHECK(ndr_pull_subcontext_header(ndr, sub_size, ndr2));
- NDR_CHECK(fn(ndr2, NDR_SCALARS|NDR_BUFFERS, level, base));
- if (sub_size) {
- NDR_CHECK(ndr_pull_advance(ndr, ndr2->data_size));
- } else {
- NDR_CHECK(ndr_pull_advance(ndr, ndr2->offset));
- }
- return NT_STATUS_OK;
-}
-
-
/*
push a subcontext header
*/
-static NTSTATUS ndr_push_subcontext_header(struct ndr_push *ndr,
+NTSTATUS ndr_push_subcontext_header(struct ndr_push *ndr,
size_t sub_size,
struct ndr_push *ndr2)
{
break;
case 2:
- NDR_CHECK(ndr_push_uint16(ndr, ndr2->offset));
+ NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, ndr2->offset));
break;
case 4:
- NDR_CHECK(ndr_push_uint32(ndr, ndr2->offset));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, ndr2->offset));
break;
default:
return NT_STATUS_OK;
}
-/*
- handle subcontext buffers, which in midl land are user-marshalled, but
- we use magic in pidl to make them easier to cope with
-*/
-NTSTATUS ndr_push_subcontext_fn(struct ndr_push *ndr, size_t sub_size,
- void *base, ndr_push_fn_t fn)
-{
- struct ndr_push *ndr2;
-
- ndr2 = ndr_push_init_ctx(ndr);
- if (!ndr2) return NT_STATUS_NO_MEMORY;
-
- ndr2->flags = ndr->flags;
- NDR_CHECK(fn(ndr2, base));
- NDR_CHECK(ndr_push_subcontext_header(ndr, sub_size, ndr2));
- NDR_CHECK(ndr_push_bytes(ndr, ndr2->data, ndr2->offset));
- return NT_STATUS_OK;
-}
-
-/*
- handle subcontext buffers for function that take a flags arg
-*/
-NTSTATUS ndr_push_subcontext_flags_fn(struct ndr_push *ndr, size_t sub_size,
- void *base, ndr_push_flags_fn_t fn)
-{
- struct ndr_push *ndr2;
-
- ndr2 = ndr_push_init_ctx(ndr);
- if (!ndr2) return NT_STATUS_NO_MEMORY;
-
- ndr2->flags = ndr->flags;
- NDR_CHECK(fn(ndr2, NDR_SCALARS|NDR_BUFFERS, base));
- NDR_CHECK(ndr_push_subcontext_header(ndr, sub_size, ndr2));
- NDR_CHECK(ndr_push_bytes(ndr, ndr2->data, ndr2->offset));
- return NT_STATUS_OK;
-}
-
-/*
- handle subcontext buffers for function that take a union
-*/
-NTSTATUS ndr_push_subcontext_union_fn(struct ndr_push *ndr, size_t sub_size,
- uint32_t level, void *base, ndr_push_union_fn_t fn)
-{
- struct ndr_push *ndr2;
-
- ndr2 = ndr_push_init_ctx(ndr);
- if (!ndr2) return NT_STATUS_NO_MEMORY;
-
- ndr2->flags = ndr->flags;
- NDR_CHECK(fn(ndr2, NDR_SCALARS|NDR_BUFFERS, level, base));
- NDR_CHECK(ndr_push_subcontext_header(ndr, sub_size, ndr2));
- NDR_CHECK(ndr_push_bytes(ndr, ndr2->data, ndr2->offset));
- return NT_STATUS_OK;
-}
-
-
/*
mark the start of a structure
*/
uint32_t value)
{
struct ndr_token_list *tok;
- tok = talloc_p(mem_ctx, struct ndr_token_list);
+ tok = talloc(mem_ctx, struct ndr_token_list);
if (tok == NULL) {
return NT_STATUS_NO_MEMORY;
}
/*
retrieve a token from a ndr context
*/
-static uint32_t ndr_token_retrieve(struct ndr_token_list **list, const void *key)
+static NTSTATUS ndr_token_retrieve(struct ndr_token_list **list, const void *key, uint32_t *v)
{
struct ndr_token_list *tok;
for (tok=*list;tok;tok=tok->next) {
if (tok->key == key) {
DLIST_REMOVE((*list), tok);
+ *v = tok->value;
+ return NT_STATUS_OK;
+ }
+ }
+ return ndr_map_error(NDR_ERR_TOKEN);
+}
+
+/*
+ peek at but don't removed a token from a ndr context
+*/
+static uint32_t ndr_token_peek(struct ndr_token_list **list, const void *key)
+{
+ struct ndr_token_list *tok;
+ for (tok=*list;tok;tok=tok->next) {
+ if (tok->key == key) {
return tok->value;
}
}
return 0;
}
+/*
+ pull an array size field and add it to the array_size_list token list
+*/
+NTSTATUS ndr_pull_array_size(struct ndr_pull *ndr, const void *p)
+{
+ uint32_t size;
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &size));
+ return ndr_token_store(ndr, &ndr->array_size_list, p, size);
+}
+
+/*
+ get the stored array size field
+*/
+uint32_t ndr_get_array_size(struct ndr_pull *ndr, const void *p)
+{
+ return ndr_token_peek(&ndr->array_size_list, p);
+}
+
+/*
+ check the stored array size field
+*/
+NTSTATUS ndr_check_array_size(struct ndr_pull *ndr, void *p, uint32_t size)
+{
+ uint32_t stored;
+ NDR_CHECK(ndr_token_retrieve(&ndr->array_size_list, p, &stored));
+ if (stored != size) {
+ return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
+ "Bad array size - got %u expected %u\n",
+ stored, size);
+ }
+ return NT_STATUS_OK;
+}
+
+/*
+ pull an array length field and add it to the array_length_list token list
+*/
+NTSTATUS ndr_pull_array_length(struct ndr_pull *ndr, const void *p)
+{
+ uint32_t length, offset;
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &offset));
+ if (offset != 0) {
+ return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
+ "non-zero array offset %u\n", offset);
+ }
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &length));
+ return ndr_token_store(ndr, &ndr->array_length_list, p, length);
+}
+
+/*
+ get the stored array length field
+*/
+uint32_t ndr_get_array_length(struct ndr_pull *ndr, const void *p)
+{
+ return ndr_token_peek(&ndr->array_length_list, p);
+}
+
+/*
+ check the stored array length field
+*/
+NTSTATUS ndr_check_array_length(struct ndr_pull *ndr, void *p, uint32_t length)
+{
+ uint32_t stored;
+ NDR_CHECK(ndr_token_retrieve(&ndr->array_length_list, p, &stored));
+ if (stored != length) {
+ return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
+ "Bad array length - got %u expected %u\n",
+ stored, length);
+ }
+ return NT_STATUS_OK;
+}
+
+/*
+ store a switch value
+ */
+NTSTATUS ndr_push_set_switch_value(struct ndr_push *ndr, const void *p, uint32_t val)
+{
+ return ndr_token_store(ndr, &ndr->switch_list, p, val);
+}
+
+NTSTATUS ndr_pull_set_switch_value(struct ndr_pull *ndr, const void *p, uint32_t val)
+{
+ return ndr_token_store(ndr, &ndr->switch_list, p, val);
+}
+
+/*
+ retrieve a switch value
+ */
+uint32_t ndr_push_get_switch_value(struct ndr_push *ndr, const void *p)
+{
+ return ndr_token_peek(&ndr->switch_list, p);
+}
+
+uint32_t ndr_pull_get_switch_value(struct ndr_pull *ndr, const void *p)
+{
+ return ndr_token_peek(&ndr->switch_list, p);
+}
/*
pull a relative object - stage1
called during SCALARS processing
*/
-NTSTATUS ndr_pull_relative1(struct ndr_pull *ndr, const void *p, uint32_t rel_offset)
+NTSTATUS ndr_pull_relative_ptr1(struct ndr_pull *ndr, const void *p, uint32_t rel_offset)
{
if (ndr->flags & LIBNDR_FLAG_RELATIVE_CURRENT) {
return ndr_token_store(ndr, &ndr->relative_list, p,
pull a relative object - stage2
called during BUFFERS processing
*/
-NTSTATUS ndr_pull_relative2(struct ndr_pull *ndr, const void *p)
+NTSTATUS ndr_pull_relative_ptr2(struct ndr_pull *ndr, const void *p)
{
uint32_t rel_offset;
- rel_offset = ndr_token_retrieve(&ndr->relative_list, p);
- if (rel_offset == 0) {
- return NT_STATUS_INTERNAL_ERROR;
- }
+ NDR_CHECK(ndr_token_retrieve(&ndr->relative_list, p, &rel_offset));
return ndr_pull_set_offset(ndr, rel_offset);
}
push a relative object - stage1
this is called during SCALARS processing
*/
-NTSTATUS ndr_push_relative1(struct ndr_push *ndr, const void *p)
+NTSTATUS ndr_push_relative_ptr1(struct ndr_push *ndr, const void *p)
{
if (p == NULL) {
- NDR_CHECK(ndr_push_uint32(ndr, 0));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
return NT_STATUS_OK;
}
NDR_CHECK(ndr_push_align(ndr, 4));
NDR_CHECK(ndr_token_store(ndr, &ndr->relative_list, p, ndr->offset));
- return ndr_push_uint32(ndr, 0xFFFFFFFF);
+ return ndr_push_uint32(ndr, NDR_SCALARS, 0xFFFFFFFF);
}
/*
push a relative object - stage2
this is called during buffers processing
*/
-NTSTATUS ndr_push_relative2(struct ndr_push *ndr, const void *p)
+NTSTATUS ndr_push_relative_ptr2(struct ndr_push *ndr, const void *p)
{
struct ndr_push_save save;
if (p == NULL) {
}
NDR_CHECK(ndr_push_align(ndr, 4));
ndr_push_save(ndr, &save);
- ndr->offset = ndr_token_retrieve(&ndr->relative_list, p);
- if (ndr->offset == 0) {
- return NT_STATUS_INTERNAL_ERROR;
- }
+ NDR_CHECK(ndr_token_retrieve(&ndr->relative_list, p, &ndr->offset));
if (ndr->flags & LIBNDR_FLAG_RELATIVE_CURRENT) {
- NDR_CHECK(ndr_push_uint32(ndr, save.offset - ndr->offset));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, save.offset - ndr->offset));
} else {
- NDR_CHECK(ndr_push_uint32(ndr, save.offset));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, save.offset));
}
ndr_push_restore(ndr, &save);
return NT_STATUS_OK;
}
-
-/*
- pull a union from a blob using NDR
-*/
-NTSTATUS ndr_pull_union_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, uint32_t level, void *p,
- ndr_pull_union_fn_t fn)
-{
- struct ndr_pull *ndr;
- ndr = ndr_pull_init_blob(blob, mem_ctx);
- if (!ndr) {
- return NT_STATUS_NO_MEMORY;
- }
- return fn(ndr, NDR_SCALARS|NDR_BUFFERS, level, p);
-}
-
/*
pull a struct from a blob using NDR
*/
return NT_STATUS_OK;
}
+
+/*
+ generic ndr_size_*() handler for structures
+*/
+size_t ndr_size_struct(const void *p, int flags, ndr_push_flags_fn_t push)
+{
+ struct ndr_push *ndr;
+ NTSTATUS status;
+ size_t ret;
+
+ /* avoid recursion */
+ if (flags & LIBNDR_FLAG_NO_NDR_SIZE) return 0;
+
+ ndr = ndr_push_init_ctx(NULL);
+ if (!ndr) return 0;
+ ndr->flags |= flags | LIBNDR_FLAG_NO_NDR_SIZE;
+ status = push(ndr, NDR_SCALARS|NDR_BUFFERS, discard_const(p));
+ if (!NT_STATUS_IS_OK(status)) {
+ return 0;
+ }
+ ret = ndr->offset;
+ talloc_free(ndr);
+ return ret;
+}
+
+/*
+ generic ndr_size_*() handler for unions
+*/
+size_t ndr_size_union(const void *p, int flags, uint32_t level, ndr_push_flags_fn_t push)
+{
+ struct ndr_push *ndr;
+ NTSTATUS status;
+ size_t ret;
+
+ /* avoid recursion */
+ if (flags & LIBNDR_FLAG_NO_NDR_SIZE) return 0;
+
+ ndr = ndr_push_init_ctx(NULL);
+ if (!ndr) return 0;
+ ndr->flags |= flags | LIBNDR_FLAG_NO_NDR_SIZE;
+ ndr_push_set_switch_value(ndr, p, level);
+ status = push(ndr, NDR_SCALARS|NDR_BUFFERS, discard_const(p));
+ if (!NT_STATUS_IS_OK(status)) {
+ return 0;
+ }
+ ret = ndr->offset;
+ talloc_free(ndr);
+ return ret;
+}
git.samba.org / samba.git / blobdiff