1 files changed, 263 insertions, 0 deletions
diff --git a/librpc/ndr/ndr_dnsp.c b/librpc/ndr/ndr_dnsp.c
new file mode 100644
index 0000000..b4cad86
--- /dev/null
+++ b/librpc/ndr/ndr_dnsp.c
@@ -0,0 +1,263 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Manually parsed structures found in DNSP
+
+   Copyright (C) Andrew Tridgell 2010
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "librpc/gen_ndr/ndr_dnsp.h"
+
+/*
+  print a dnsp_name
+*/
+_PUBLIC_ void ndr_print_dnsp_name(struct ndr_print *ndr, const char *name,
+				  const char *dns_name)
+{
+	ndr->print(ndr, "%-25s: %s", name, dns_name);
+}
+
+/*
+  pull a dnsp_name
+*/
+_PUBLIC_ enum ndr_err_code ndr_pull_dnsp_name(struct ndr_pull *ndr, ndr_flags_type ndr_flags, const char **name)
+{
+	uint8_t len, count, termination;
+	int i;
+	uint32_t total_len, raw_offset;
+	char *ret;
+
+	NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &len));
+	NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &count));
+
+	raw_offset = ndr->offset;
+
+	ret = talloc_strdup(ndr->current_mem_ctx, "");
+	if (!ret) {
+		return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp_name");
+	}
+	total_len = 1;
+
+	for (i=0; i<count; i++) {
+		uint8_t sublen, newlen;
+		NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &sublen));
+		newlen = total_len + sublen;
+		if (newlen < total_len) {
+			return ndr_pull_error(ndr, NDR_ERR_RANGE,
+					      "Failed to pull dnsp_name");
+		}
+		if (i != count-1) {
+			if (newlen == UINT8_MAX) {
+				return ndr_pull_error(
+					ndr, NDR_ERR_RANGE,
+					"Failed to pull dnsp_name");
+			}
+			newlen++; /* for the '.' */
+		}
+		ret = talloc_realloc(ndr->current_mem_ctx, ret, char, newlen);
+		if (!ret) {
+			return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp_name");
+		}
+		NDR_CHECK(ndr_pull_bytes(ndr, (uint8_t *)&ret[total_len-1], sublen));
+		if (i != count-1) {
+			ret[newlen-2] = '.';
+		}
+		ret[newlen-1] = 0;
+		total_len = newlen;
+	}
+	NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &termination));
+	if (termination != 0) {
+		return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp_name - not NUL terminated");
+	}
+	if (ndr->offset > raw_offset + len) {
+		return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp_name - overrun by %"PRIu32" bytes",
+				      ndr->offset - (raw_offset + len));
+	}
+	/* there could be additional pad bytes */
+	while (ndr->offset < raw_offset + len) {
+		uint8_t pad;
+		NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &pad));
+	}
+	(*name) = ret;
+	return NDR_ERR_SUCCESS;
+}
+
+enum ndr_err_code ndr_push_dnsp_name(struct ndr_push *ndr, ndr_flags_type ndr_flags, const char *name)
+{
+	int count, total_len, i;
+
+	/* count the dots */
+	for (count=i=0; name[i]; i++) {
+		if (name[i] == '.') count++;
+	}
+	total_len = strlen(name) + 1;
+
+	/*
+	 * cope with names ending in '.'
+	 */
+	if (name[0] == '\0') {
+		/*
+		 * Don't access name[-1] for the "" input, which has
+		 * the same meaning as a lone '.'.
+		 *
+		 * This allows a round-trip of a dnsRecord from
+		 * Windows of a MX record of '.'
+		 */
+	} else if (name[strlen(name)-1] != '.') {
+		total_len++;
+		count++;
+	}
+	if (total_len > 255 || count > 255) {
+		return ndr_push_error(ndr, NDR_ERR_BUFSIZE,
+				      "dns_name of length %d larger than 255", total_len);
+	}
+	NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, (uint8_t)total_len));
+	NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, (uint8_t)count));
+	for (i=0; i<count; i++) {
+		const char *p = strchr(name, '.');
+		size_t sublen = p?(p-name):strlen(name);
+		NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, (uint8_t)sublen));
+		NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)name, sublen));
+		name += sublen + 1;
+	}
+	NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, 0));
+
+	return NDR_ERR_SUCCESS;
+}
+
+/*
+  print a dnsp_string
+*/
+_PUBLIC_ void ndr_print_dnsp_string(struct ndr_print *ndr, const char *name,
+				    const char *dns_string)
+{
+	ndr->print(ndr, "%-25s: %s", name, dns_string);
+}
+
+/*
+  pull a dnsp_string
+*/
+_PUBLIC_ enum ndr_err_code ndr_pull_dnsp_string(struct ndr_pull *ndr, ndr_flags_type ndr_flags, const char **string)
+{
+	uint8_t len;
+	char *ret;
+
+	NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &len));
+
+	ret = talloc_zero_array(ndr->current_mem_ctx, char, len + 1);
+	if (!ret) {
+		return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp_string");
+	}
+	NDR_CHECK(ndr_pull_bytes(ndr, (uint8_t *)ret, len));
+
+	(*string) = ret;
+	NDR_PULL_ALIGN(ndr, 1);
+	return NDR_ERR_SUCCESS;
+}
+
+enum ndr_err_code ndr_push_dnsp_string(struct ndr_push *ndr, ndr_flags_type ndr_flags, const char *string)
+{
+	int total_len;
+	total_len = strlen(string);
+	if (total_len > 255) {
+		return ndr_push_error(ndr, NDR_ERR_BUFSIZE,
+				      "dns_name of length %d larger than 255", total_len);
+	}
+	NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, (uint8_t)total_len));
+	NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)string, total_len));
+
+	return NDR_ERR_SUCCESS;
+}
+
+/*
+ * print a dnsp_string_list
+ */
+_PUBLIC_ void ndr_print_dnsp_string_list(struct ndr_print *ndr, const char *name,
+					 const struct dnsp_string_list *list)
+{
+	uint32_t i;
+
+	ndr->no_newline = true;
+	for (i=0; i<ndr->depth; i++) {
+		ndr->print(ndr, "    ");
+	}
+	ndr->print(ndr, "%-25s:", name);
+	for (i=0; i<list->count; i++) {
+		ndr->print(ndr, " \"%s\"", list->str[i]);
+	}
+	ndr->print(ndr, "\n");
+	ndr->no_newline = false;
+}
+
+/*
+ * pull a dnsp_string_list
+ */
+_PUBLIC_ enum ndr_err_code ndr_pull_dnsp_string_list(struct ndr_pull *ndr, ndr_flags_type ndr_flags, struct dnsp_string_list *list)
+{
+	list->count = 0;
+	list->str = talloc_array(ndr->current_mem_ctx, const char *,
+				 list->count);
+	if (! list->str) {
+		return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp_string_list");
+	}
+
+	while (ndr->offset < ndr->data_size) {
+		list->str = talloc_realloc(ndr->current_mem_ctx, list->str,
+					   const char *, list->count+1);
+		if (! list->str) {
+			return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp_string_list");
+		}
+		NDR_CHECK(ndr_pull_dnsp_string(ndr, ndr_flags, &list->str[list->count]));
+		list->count++;
+	}
+
+	return NDR_ERR_SUCCESS;
+}
+
+enum ndr_err_code ndr_push_dnsp_string_list(struct ndr_push *ndr, ndr_flags_type ndr_flags, const struct dnsp_string_list *list)
+{
+	uint8_t i;
+
+	for (i=0; i<list->count; i++) {
+		NDR_CHECK(ndr_push_dnsp_string(ndr, ndr_flags, list->str[i]));
+	}
+	return NDR_ERR_SUCCESS;
+}
+
+enum ndr_err_code ndr_dnsp_string_list_copy(TALLOC_CTX *mem_ctx,
+					    const struct dnsp_string_list *src,
+					    struct dnsp_string_list *dst)
+{
+	size_t i;
+
+	dst->count = 0;
+	dst->str = talloc_zero_array(mem_ctx, const char *, src->count);
+	if (dst->str == NULL) {
+		return NDR_ERR_ALLOC;
+	}
+
+	for (i = 0; i < src->count; i++) {
+		dst->str[i] = talloc_strdup(dst->str, src->str[i]);
+		if (dst->str[i] == NULL) {
+			TALLOC_FREE(dst->str);
+			return NDR_ERR_ALLOC;
+		}
+	}
+
+	dst->count = src->count;
+	return NDR_ERR_SUCCESS;
+}