summaryrefslogtreecommitdiff
path: root/source3/librpc/ndr/ndr_misc.c
blob: 54face8d7a03d3e38fb64b7272f74f4c7cc34d92 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
/* 
   Unix SMB/CIFS implementation.

   UUID/GUID/policy_handle functions

   Copyright (C) Theodore Ts'o               1996, 1997,
   Copyright (C) Jim McDonough                     2002.
   Copyright (C) Andrew Tridgell                   2003.
   Copyright (C) Stefan (metze) Metzmacher         2004.
   
   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 2 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, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"

NTSTATUS ndr_push_GUID(struct ndr_push *ndr, int ndr_flags, const struct GUID *r)
{
	if (ndr_flags & NDR_SCALARS) {
		NDR_CHECK(ndr_push_align(ndr, 4));
		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->time_low));
		NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->time_mid));
		NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->time_hi_and_version));
		NDR_CHECK(ndr_push_array_uint8(ndr, NDR_SCALARS, r->clock_seq, 2));
		NDR_CHECK(ndr_push_array_uint8(ndr, NDR_SCALARS, r->node, 6));
	}
	if (ndr_flags & NDR_BUFFERS) {
	}
	return NT_STATUS_OK;
}

NTSTATUS ndr_pull_GUID(struct ndr_pull *ndr, int ndr_flags, struct GUID *r)
{
	if (ndr_flags & NDR_SCALARS) {
		NDR_CHECK(ndr_pull_align(ndr, 4));
		NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->time_low));
		NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->time_mid));
		NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->time_hi_and_version));
		NDR_CHECK(ndr_pull_array_uint8(ndr, NDR_SCALARS, r->clock_seq, 2));
		NDR_CHECK(ndr_pull_array_uint8(ndr, NDR_SCALARS, r->node, 6));
	}
	if (ndr_flags & NDR_BUFFERS) {
	}
	return NT_STATUS_OK;
}

size_t ndr_size_GUID(const struct GUID *r, int flags)
{
	return ndr_size_struct(r, flags, (ndr_push_flags_fn_t)ndr_push_GUID);
}

/**
  build a GUID from a string
*/
NTSTATUS GUID_from_string(const char *s, struct GUID *guid)
{
	NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
	uint32_t time_low;
	uint32_t time_mid, time_hi_and_version;
	uint32_t clock_seq[2];
	uint32_t node[6];
	int i;

	if (s == NULL) {
		return NT_STATUS_INVALID_PARAMETER;
	}

	if (11 == sscanf(s, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
			 &time_low, &time_mid, &time_hi_and_version, 
			 &clock_seq[0], &clock_seq[1],
			 &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
	        status = NT_STATUS_OK;
	} else if (11 == sscanf(s, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
				&time_low, &time_mid, &time_hi_and_version, 
				&clock_seq[0], &clock_seq[1],
				&node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
		status = NT_STATUS_OK;
	}

	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	guid->time_low = time_low;
	guid->time_mid = time_mid;
	guid->time_hi_and_version = time_hi_and_version;
	guid->clock_seq[0] = clock_seq[0];
	guid->clock_seq[1] = clock_seq[1];
	for (i=0;i<6;i++) {
		guid->node[i] = node[i];
	}

	return NT_STATUS_OK;
}

/**
 * generate a random GUID
 */
struct GUID GUID_random(void)
{
	struct GUID guid;

	generate_random_buffer((uint8_t *)&guid, sizeof(guid));
	guid.clock_seq[0] = (guid.clock_seq[0] & 0x3F) | 0x80;
	guid.time_hi_and_version = (guid.time_hi_and_version & 0x0FFF) | 0x4000;

	return guid;
}

/**
 * generate an empty GUID 
 */
struct GUID GUID_zero(void)
{
	struct GUID guid;

	ZERO_STRUCT(guid);

	return guid;
}

/**
 * see if a range of memory is all zero. A NULL pointer is considered
 * to be all zero 
 */
BOOL all_zero(const uint8_t *ptr, size_t size)
{
	int i;
	if (!ptr) return True;
	for (i=0;i<size;i++) {
		if (ptr[i]) return False;
	}
	return True;
}


BOOL GUID_all_zero(const struct GUID *u)
{
	if (u->time_low != 0 ||
	    u->time_mid != 0 ||
	    u->time_hi_and_version != 0 ||
	    u->clock_seq[0] != 0 ||
	    u->clock_seq[1] != 0 ||
	    !all_zero(u->node, 6)) {
		return False;
	}
	return True;
}

BOOL GUID_equal(const struct GUID *u1, const struct GUID *u2)
{
	if (u1->time_low != u2->time_low ||
	    u1->time_mid != u2->time_mid ||
	    u1->time_hi_and_version != u2->time_hi_and_version ||
	    u1->clock_seq[0] != u2->clock_seq[0] ||
	    u1->clock_seq[1] != u2->clock_seq[1] ||
	    memcmp(u1->node, u2->node, 6) != 0) {
		return False;
	}
	return True;
}

/**
  its useful to be able to display these in debugging messages
*/
char *GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid)
{
	return talloc_asprintf(mem_ctx, 
			       "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
			       guid->time_low, guid->time_mid,
			       guid->time_hi_and_version,
			       guid->clock_seq[0],
			       guid->clock_seq[1],
			       guid->node[0], guid->node[1],
			       guid->node[2], guid->node[3],
			       guid->node[4], guid->node[5]);
}

char *GUID_string2(TALLOC_CTX *mem_ctx, const struct GUID *guid)
{
	char *ret, *s = GUID_string(mem_ctx, guid);
	ret = talloc_asprintf(mem_ctx, "{%s}", s);
	talloc_free(s);
	return ret;
}

void ndr_print_GUID(struct ndr_print *ndr, const char *name, const struct GUID *guid)
{
	ndr->print(ndr, "%-25s: %s", name, GUID_string(ndr, guid));
}

BOOL policy_handle_empty(struct policy_handle *h) 
{
	return (h->handle_type == 0 && GUID_all_zero(&h->uuid));
}

NTSTATUS ndr_push_policy_handle(struct ndr_push *ndr, int ndr_flags, const struct policy_handle *r)
{
	if (ndr_flags & NDR_SCALARS) {
		NDR_CHECK(ndr_push_align(ndr, 4));
		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->handle_type));
		NDR_CHECK(ndr_push_GUID(ndr, NDR_SCALARS, &r->uuid));
	}
	if (ndr_flags & NDR_BUFFERS) {
	}
	return NT_STATUS_OK;
}

NTSTATUS ndr_pull_policy_handle(struct ndr_pull *ndr, int ndr_flags, struct policy_handle *r)
{
	if (ndr_flags & NDR_SCALARS) {
		NDR_CHECK(ndr_pull_align(ndr, 4));
		NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->handle_type));
		NDR_CHECK(ndr_pull_GUID(ndr, NDR_SCALARS, &r->uuid));
	}
	if (ndr_flags & NDR_BUFFERS) {
	}
	return NT_STATUS_OK;
}

void ndr_print_policy_handle(struct ndr_print *ndr, const char *name, const struct policy_handle *r)
{
	ndr_print_struct(ndr, name, "policy_handle");
	ndr->depth++;
	ndr_print_uint32(ndr, "handle_type", r->handle_type);
	ndr_print_GUID(ndr, "uuid", &r->uuid);
	ndr->depth--;
}

NTSTATUS ndr_push_server_id(struct ndr_push *ndr, int ndr_flags, const struct server_id *r)
{
	if (ndr_flags & NDR_SCALARS) {
		NDR_CHECK(ndr_push_align(ndr, 4));
		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS,
					  (uint32_t)r->id.pid));
	}
	if (ndr_flags & NDR_BUFFERS) {
	}
	return NT_STATUS_OK;
}

NTSTATUS ndr_pull_server_id(struct ndr_pull *ndr, int ndr_flags, struct server_id *r)
{
	if (ndr_flags & NDR_SCALARS) {
		uint32_t pid;
		NDR_CHECK(ndr_pull_align(ndr, 4));
		NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &pid));
		r->id.pid = (pid_t)pid;
	}
	if (ndr_flags & NDR_BUFFERS) {
	}
	return NT_STATUS_OK;
}

void ndr_print_server_id(struct ndr_print *ndr, const char *name, const struct server_id *r)
{
	ndr_print_struct(ndr, name, "server_id");
	ndr->depth++;
	ndr_print_uint32(ndr, "id", (uint32_t)r->id.pid);
	ndr->depth--;
}