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-rw-r--r--librpc/ndr/libndr.h2
-rw-r--r--librpc/ndr/ndr.c34
2 files changed, 36 insertions, 0 deletions
diff --git a/librpc/ndr/libndr.h b/librpc/ndr/libndr.h
index 64c858d950..8c59bb9bb0 100644
--- a/librpc/ndr/libndr.h
+++ b/librpc/ndr/libndr.h
@@ -469,6 +469,8 @@ enum ndr_err_code ndr_check_array_size(struct ndr_pull *ndr, void *p, uint32_t s
enum ndr_err_code ndr_pull_array_length(struct ndr_pull *ndr, const void *p);
uint32_t ndr_get_array_length(struct ndr_pull *ndr, const void *p);
enum ndr_err_code ndr_check_array_length(struct ndr_pull *ndr, void *p, uint32_t length);
+enum ndr_err_code ndr_push_pipe_chunk_trailer(struct ndr_push *ndr, int ndr_flags, uint32_t count);
+enum ndr_err_code ndr_check_pipe_chunk_trailer(struct ndr_pull *ndr, int ndr_flags, uint32_t count);
enum ndr_err_code ndr_push_set_switch_value(struct ndr_push *ndr, const void *p, uint32_t val);
enum ndr_err_code ndr_pull_set_switch_value(struct ndr_pull *ndr, const void *p, uint32_t val);
enum ndr_err_code ndr_print_set_switch_value(struct ndr_print *ndr, const void *p, uint32_t val);
diff --git a/librpc/ndr/ndr.c b/librpc/ndr/ndr.c
index cfeb231487..56d1fab05e 100644
--- a/librpc/ndr/ndr.c
+++ b/librpc/ndr/ndr.c
@@ -829,6 +829,40 @@ _PUBLIC_ enum ndr_err_code ndr_check_array_length(struct ndr_pull *ndr, void *p,
return NDR_ERR_SUCCESS;
}
+_PUBLIC_ enum ndr_err_code ndr_push_pipe_chunk_trailer(struct ndr_push *ndr, int ndr_flags, uint32_t count)
+{
+ if (ndr->flags & LIBNDR_FLAG_NDR64) {
+ int64_t tmp = 0 - (int64_t)count;
+ uint64_t ncount = tmp;
+
+ NDR_CHECK(ndr_push_hyper(ndr, ndr_flags, ncount));
+ }
+
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ enum ndr_err_code ndr_check_pipe_chunk_trailer(struct ndr_pull *ndr, int ndr_flags, uint32_t count)
+{
+ if (ndr->flags & LIBNDR_FLAG_NDR64) {
+ int64_t tmp = 0 - (int64_t)count;
+ uint64_t ncount1 = tmp;
+ uint64_t ncount2;
+
+ NDR_CHECK(ndr_pull_hyper(ndr, ndr_flags, &ncount2));
+ if (ncount1 == ncount2) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
+ "Bad pipe trailer[%lld should be %lld] size was %lu\"",
+ (unsigned long long)ncount2,
+ (unsigned long long)ncount1,
+ (unsigned long)count);
+ }
+
+ return NDR_ERR_SUCCESS;
+}
+
/*
store a switch value
*/