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-rw-r--r--source4/utils/ndrdump.c50
1 files changed, 41 insertions, 9 deletions
diff --git a/source4/utils/ndrdump.c b/source4/utils/ndrdump.c
index 8c4f1fef77..22e4e6f8f6 100644
--- a/source4/utils/ndrdump.c
+++ b/source4/utils/ndrdump.c
@@ -97,9 +97,11 @@ static void show_functions(const struct dcerpc_interface_table *p)
poptContext pc;
NTSTATUS status;
void *st;
+ const char *ctx_filename = NULL;
int opt;
struct ndr_print *pr;
struct poptOption long_options[] = {
+ {"context-file", 'c', POPT_ARG_STRING, &ctx_filename, 0, "In-filename to parse first", "CTX-FILE" },
POPT_AUTOHELP
POPT_TABLEEND
};
@@ -148,6 +150,44 @@ static void show_functions(const struct dcerpc_interface_table *p)
f = find_function(p, function);
+ mem_ctx = talloc_init("ndrdump");
+
+ st = talloc_zero(mem_ctx, f->struct_size);
+ if (!st) {
+ printf("Unable to allocate %d bytes\n", f->struct_size);
+ exit(1);
+ }
+
+ if (ctx_filename) {
+ if (flags == NDR_IN) {
+ printf("Context file can only be used for \"out\" packages\n");
+ exit(1);
+ }
+
+ data = file_load(ctx_filename, &size);
+ if (!data) {
+ perror(ctx_filename);
+ exit(1);
+ }
+
+ blob.data = data;
+ blob.length = size;
+
+ ndr = ndr_pull_init_blob(&blob, mem_ctx);
+
+ status = f->ndr_pull(ndr, NDR_IN, st);
+
+ if (ndr->offset != ndr->data_size) {
+ printf("WARNING! %d unread bytes while parsing context file\n", ndr->data_size - ndr->offset);
+ exit(1);
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("pull for context file returned %s\n", nt_errstr(status));
+ exit(1);
+ }
+ }
+
data = file_load(filename, &size);
if (!data) {
perror(filename);
@@ -157,16 +197,8 @@ static void show_functions(const struct dcerpc_interface_table *p)
blob.data = data;
blob.length = size;
- mem_ctx = talloc_init("ndrdump");
-
ndr = ndr_pull_init_blob(&blob, mem_ctx);
- st = talloc_zero(mem_ctx, f->struct_size);
- if (!st) {
- printf("Unable to allocate %d bytes\n", f->struct_size);
- exit(1);
- }
-
if (flags == NDR_OUT) {
ndr->flags |= LIBNDR_FLAG_REF_ALLOC;
}
@@ -183,7 +215,7 @@ static void show_functions(const struct dcerpc_interface_table *p)
pr = talloc_p(NULL, struct ndr_print);
pr->print = ndr_print_debug_helper;
pr->depth = 1;
- f->ndr_print(pr, function, flags, st);
+ f->ndr_print(pr, function, flags | NDR_IN, st);
if (!NT_STATUS_IS_OK(status) ||
ndr->offset != ndr->data_size) {