2 Unix SMB/CIFS implementation.
4 Manually parsed structures found in DNSP
6 Copyright (C) Andrew Tridgell 2010
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "librpc/gen_ndr/ndr_dnsp.h"
28 _PUBLIC_ void ndr_print_dnsp_name(struct ndr_print *ndr, const char *name,
31 ndr->print(ndr, "%-25s: %s", name, dns_name);
37 _PUBLIC_ enum ndr_err_code ndr_pull_dnsp_name(struct ndr_pull *ndr, int ndr_flags, const char **name)
39 uint8_t len, count, termination;
41 uint32_t total_len, raw_offset;
44 NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &len));
45 NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &count));
47 raw_offset = ndr->offset;
49 ret = talloc_strdup(ndr->current_mem_ctx, "");
51 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp");
55 for (i=0; i<count; i++) {
56 uint8_t sublen, newlen;
57 NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &sublen));
58 newlen = total_len + sublen;
60 newlen++; /* for the '.' */
62 ret = talloc_realloc(ndr->current_mem_ctx, ret, char, newlen);
64 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp");
66 NDR_CHECK(ndr_pull_bytes(ndr, (uint8_t *)&ret[total_len-1], sublen));
73 NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &termination));
74 if (termination != 0) {
75 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp - not NUL terminated");
77 if (ndr->offset > raw_offset + len) {
78 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp - overrun by %u bytes",
79 ndr->offset - (raw_offset + len));
81 /* there could be additional pad bytes */
82 while (ndr->offset < raw_offset + len) {
84 NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &pad));
87 return NDR_ERR_SUCCESS;
90 enum ndr_err_code ndr_push_dnsp_name(struct ndr_push *ndr, int ndr_flags, const char *name)
92 int count, total_len, i;
95 for (count=i=0; name[i]; i++) {
96 if (name[i] == '.') count++;
98 total_len = strlen(name) + 1 + 1;
99 if (total_len > 255 || count > 255) {
100 return ndr_push_error(ndr, NDR_ERR_BUFSIZE,
101 "dns_name of length %d larger than 255", total_len);
103 NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, (uint8_t)total_len));
104 NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, (uint8_t)count));
105 for (i=0; i<count; i++) {
106 const char *p = strchr(name, '.');
107 size_t sublen = p?(p-name):strlen(name);
108 NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, (uint8_t)sublen));
109 NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)name, sublen));
112 NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, 0));
114 return NDR_ERR_SUCCESS;
120 _PUBLIC_ void ndr_print_dnsp_string(struct ndr_print *ndr, const char *name,
121 const char *dns_string)
123 ndr->print(ndr, "%-25s: %s", name, dns_string);
129 _PUBLIC_ enum ndr_err_code ndr_pull_dnsp_string(struct ndr_pull *ndr, int ndr_flags, const char **string)
135 NDR_CHECK(ndr_pull_uint8(ndr, ndr_flags, &len));
137 ret = talloc_strdup(ndr->current_mem_ctx, "");
139 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp");
142 ret = talloc_zero_array(ndr->current_mem_ctx, char, len+1);
144 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Failed to pull dnsp");
146 NDR_CHECK(ndr_pull_bytes(ndr, (uint8_t *)&ret[total_len-1], len));
150 NDR_PULL_ALIGN(ndr, 1);
151 return NDR_ERR_SUCCESS;
154 enum ndr_err_code ndr_push_dnsp_string(struct ndr_push *ndr, int ndr_flags, const char *string)
157 total_len = strlen(string) + 1;
158 if (total_len > 255) {
159 return ndr_push_error(ndr, NDR_ERR_BUFSIZE,
160 "dns_name of length %d larger than 255", total_len);
162 NDR_CHECK(ndr_push_uint8(ndr, ndr_flags, (uint8_t)total_len));
163 NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)string, total_len - 1));
164 NDR_PUSH_ALIGN(ndr, 1);
166 return NDR_ERR_SUCCESS;