#include "librpc/gen_ndr/ndr_nbt.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "system/locale.h"
-
-/* don't allow an unlimited number of name components */
-#define MAX_COMPONENTS 10
-
-/**
- print a nbt string
-*/
-_PUBLIC_ void ndr_print_nbt_string(struct ndr_print *ndr, const char *name, const char *s)
-{
- ndr_print_string(ndr, name, s);
-}
-
-/*
- pull one component of a nbt_string
-*/
-static enum ndr_err_code ndr_pull_component(struct ndr_pull *ndr,
- uint8_t **component,
- uint32_t *offset,
- uint32_t *max_offset)
-{
- uint8_t len;
- uint_t loops = 0;
- while (loops < 5) {
- if (*offset >= ndr->data_size) {
- return ndr_pull_error(ndr, NDR_ERR_STRING,
- "BAD NBT NAME component");
- }
- len = ndr->data[*offset];
- if (len == 0) {
- *offset += 1;
- *max_offset = MAX(*max_offset, *offset);
- *component = NULL;
- return NDR_ERR_SUCCESS;
- }
- if ((len & 0xC0) == 0xC0) {
- /* its a label pointer */
- if (1 + *offset >= ndr->data_size) {
- return ndr_pull_error(ndr, NDR_ERR_STRING,
- "BAD NBT NAME component");
- }
- *max_offset = MAX(*max_offset, *offset + 2);
- *offset = ((len&0x3F)<<8) | ndr->data[1 + *offset];
- *max_offset = MAX(*max_offset, *offset);
- loops++;
- continue;
- }
- if ((len & 0xC0) != 0) {
- /* its a reserved length field */
- return ndr_pull_error(ndr, NDR_ERR_STRING,
- "BAD NBT NAME component");
- }
- if (*offset + len + 2 > ndr->data_size) {
- return ndr_pull_error(ndr, NDR_ERR_STRING,
- "BAD NBT NAME component");
- }
- *component = (uint8_t*)talloc_strndup(ndr, (const char *)&ndr->data[1 + *offset], len);
- NDR_ERR_HAVE_NO_MEMORY(*component);
- *offset += len + 1;
- *max_offset = MAX(*max_offset, *offset);
- return NDR_ERR_SUCCESS;
- }
-
- /* too many pointers */
- return ndr_pull_error(ndr, NDR_ERR_STRING, "BAD NBT NAME component");
-}
-
-/**
- pull a nbt_string from the wire
-*/
-_PUBLIC_ enum ndr_err_code ndr_pull_nbt_string(struct ndr_pull *ndr, int ndr_flags, const char **s)
-{
- uint32_t offset = ndr->offset;
- uint32_t max_offset = offset;
- unsigned num_components;
- char *name;
-
- if (!(ndr_flags & NDR_SCALARS)) {
- return NDR_ERR_SUCCESS;
- }
-
- name = NULL;
-
- /* break up name into a list of components */
- for (num_components=0;num_components<MAX_COMPONENTS;num_components++) {
- uint8_t *component = NULL;
- NDR_CHECK(ndr_pull_component(ndr, &component, &offset, &max_offset));
- if (component == NULL) break;
- if (name) {
- name = talloc_asprintf_append_buffer(name, ".%s", component);
- NDR_ERR_HAVE_NO_MEMORY(name);
- } else {
- name = (char *)component;
- }
- }
- if (num_components == MAX_COMPONENTS) {
- return ndr_pull_error(ndr, NDR_ERR_STRING,
- "BAD NBT NAME too many components");
- }
- if (num_components == 0) {
- name = talloc_strdup(ndr, "");
- NDR_ERR_HAVE_NO_MEMORY(name);
- }
-
- (*s) = name;
- ndr->offset = max_offset;
-
- return NDR_ERR_SUCCESS;
-}
-
-/**
- push a nbt string to the wire
-*/
-_PUBLIC_ enum ndr_err_code ndr_push_nbt_string(struct ndr_push *ndr, int ndr_flags, const char *s)
-{
- if (!(ndr_flags & NDR_SCALARS)) {
- return NDR_ERR_SUCCESS;
- }
-
- while (s && *s) {
- enum ndr_err_code ndr_err;
- char *compname;
- size_t complen;
- uint32_t offset;
-
- /* see if we have pushed the remaing string allready,
- * if so we use a label pointer to this string
- */
- ndr_err = ndr_token_retrieve_cmp_fn(&ndr->nbt_string_list, s, &offset, (comparison_fn_t)strcmp, false);
- if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- uint8_t b[2];
-
- if (offset > 0x3FFF) {
- return ndr_push_error(ndr, NDR_ERR_STRING,
- "offset for nbt string label pointer %u[%08X] > 0x00003FFF",
- offset, offset);
- }
-
- b[0] = 0xC0 | (offset>>8);
- b[1] = (offset & 0xFF);
-
- return ndr_push_bytes(ndr, b, 2);
- }
-
- complen = strcspn(s, ".");
-
- /* we need to make sure the length fits into 6 bytes */
- if (complen > 0x3F) {
- return ndr_push_error(ndr, NDR_ERR_STRING,
- "component length %u[%08X] > 0x0000003F",
- (unsigned)complen, (unsigned)complen);
- }
-
- compname = talloc_asprintf(ndr, "%c%*.*s",
- (unsigned char)complen,
- (unsigned char)complen,
- (unsigned char)complen, s);
- NDR_ERR_HAVE_NO_MEMORY(compname);
-
- /* remember the current componemt + the rest of the string
- * so it can be reused later
- */
- NDR_CHECK(ndr_token_store(ndr, &ndr->nbt_string_list, s, ndr->offset));
-
- /* push just this component into the blob */
- NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)compname, complen+1));
- talloc_free(compname);
-
- s += complen;
- if (*s == '.') s++;
- }
-
- /* if we reach the end of the string and have pushed the last component
- * without using a label pointer, we need to terminate the string
- */
- return ndr_push_bytes(ndr, (const uint8_t *)"", 1);
-}
-
+#include "lib/util/util_net.h"
/*
decompress a 'compressed' name component
/**
push a nbt name into a blob
*/
-_PUBLIC_ NTSTATUS nbt_name_to_blob(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, DATA_BLOB *blob, struct nbt_name *name)
+_PUBLIC_ NTSTATUS nbt_name_to_blob(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, struct nbt_name *name)
{
enum ndr_err_code ndr_err;
- ndr_err = ndr_push_struct_blob(blob, mem_ctx, iconv_convenience, name, (ndr_push_flags_fn_t)ndr_push_nbt_name);
+ ndr_err = ndr_push_struct_blob(blob, mem_ctx, name, (ndr_push_flags_fn_t)ndr_push_nbt_name);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return ndr_map_error2ntstatus(ndr_err);
}
{
enum ndr_err_code ndr_err;
- ndr_err = ndr_pull_struct_blob(blob, mem_ctx, NULL, name,
+ ndr_err = ndr_pull_struct_blob(blob, mem_ctx, name,
(ndr_pull_flags_fn_t)ndr_pull_nbt_name);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return ndr_map_error2ntstatus(ndr_err);
git.samba.org / mat / samba.git / blobdiff