librpc/tools/ndrdump: add support for dcerpc 'pipe' elements in functions

metze

1 files changed, 73 insertions, 5 deletions

diff --git a/librpc/tools/ndrdump.c b/librpc/tools/ndrdump.c
index f0f4eaff4e..284dbcedf9 100644
--- a/librpc/tools/ndrdump.c
+++ b/librpc/tools/ndrdump.c
@@ -137,6 +137,53 @@ static void ndrdump_data(uint8_t *d, uint32_t l, bool force)
 	dump_data_cb(d, l, !force, printf_cb, NULL);
 }
 
+static NTSTATUS ndrdump_pull_and_print_pipes(const char *function,
+				struct ndr_pull *ndr_pull,
+				struct ndr_print *ndr_print,
+				const struct ndr_interface_call_pipes *pipes)
+{
+	NTSTATUS status;
+	enum ndr_err_code ndr_err;
+	uint32_t i;
+
+	for (i=0; i < pipes->num_pipes; i++) {
+		uint64_t idx = 0;
+		while (true) {
+			uint32_t *count;
+			void *c;
+			char *n;
+
+			c = talloc_zero_size(ndr_pull, pipes->pipes[i].chunk_struct_size);
+			talloc_set_name(c, "struct %s", pipes->pipes[i].name);
+			/*
+			 * Note: the first struct member is always
+			 * 'uint32_t count;'
+			 */
+			count = (uint32_t *)c;
+
+			n = talloc_asprintf(c, "%s: %s[%llu]",
+					function, pipes->pipes[i].name,
+					(unsigned long long)idx);
+
+			ndr_err = pipes->pipes[i].ndr_pull(ndr_pull, NDR_SCALARS, c);
+			status = ndr_map_error2ntstatus(ndr_err);
+
+			printf("pull returned %s\n", nt_errstr(status));
+			if (!NT_STATUS_IS_OK(status)) {
+				return status;
+			}
+			pipes->pipes[i].ndr_print(ndr_print, n, c);
+
+			if (*count == 0) {
+				break;
+			}
+			idx++;
+		}
+	}
+
+	return NT_STATUS_OK;
+}
+
  int main(int argc, const char *argv[])
 {
 	const struct ndr_interface_table *p = NULL;
@@ -172,6 +219,8 @@ static void ndrdump_data(uint8_t *d, uint32_t l, bool force)
 		POPT_COMMON_VERSION
 		{ NULL }
 	};
+	struct ndr_interface_call_pipes *in_pipes = NULL;
+	struct ndr_interface_call_pipes *out_pipes = NULL;
 
 	ndr_table_init();
 
@@ -247,19 +296,21 @@ static void ndrdump_data(uint8_t *d, uint32_t l, bool force)
 		exit(1);
 	}
 
+	f = find_function(p, function);
+
 	if (strcmp(inout, "in") == 0 ||
 	    strcmp(inout, "request") == 0) {
 		flags = NDR_IN;
+		in_pipes = &f->in_pipes;
 	} else if (strcmp(inout, "out") == 0 ||
 		   strcmp(inout, "response") == 0) {
 		flags = NDR_OUT;
+		out_pipes = &f->out_pipes;
 	} else {
 		printf("Bad inout value '%s'\n", inout);
 		exit(1);
 	}
 
-	f = find_function(p, function);
-
 	mem_ctx = talloc_init("ndrdump");
 
 	st = talloc_zero_size(mem_ctx, f->struct_size);
@@ -331,6 +382,18 @@ static void ndrdump_data(uint8_t *d, uint32_t l, bool force)
 		ndr_pull->flags |= LIBNDR_FLAG_NDR64;
 	}
 
+	ndr_print = talloc_zero(mem_ctx, struct ndr_print);
+	ndr_print->print = ndr_print_printf_helper;
+	ndr_print->depth = 1;
+
+	if (out_pipes) {
+		status = ndrdump_pull_and_print_pipes(function, ndr_pull, ndr_print, out_pipes);
+		if (!NT_STATUS_IS_OK(status)) {
+			printf("dump FAILED\n");
+			exit(1);
+		}
+	}
+
 	ndr_err = f->ndr_pull(ndr_pull, flags, st);
 	status = ndr_map_error2ntstatus(ndr_err);
 
@@ -348,9 +411,6 @@ static void ndrdump_data(uint8_t *d, uint32_t l, bool force)
 		ndrdump_data(blob.data, blob.length, dumpdata);
 	}
 
-	ndr_print = talloc_zero(mem_ctx, struct ndr_print);
-	ndr_print->print = ndr_print_printf_helper;
-	ndr_print->depth = 1;
 	f->ndr_print(ndr_print, function, flags, st);
 
 	if (!NT_STATUS_IS_OK(status)) {
@@ -358,6 +418,14 @@ static void ndrdump_data(uint8_t *d, uint32_t l, bool force)
 		exit(1);
 	}
 
+	if (in_pipes) {
+		status = ndrdump_pull_and_print_pipes(function, ndr_pull, ndr_print, in_pipes);
+		if (!NT_STATUS_IS_OK(status)) {
+			printf("dump FAILED\n");
+			exit(1);
+		}
+	}
+
 	if (validate) {
 		DATA_BLOB v_blob;
 		struct ndr_push *ndr_v_push;