xref: /reactos/dll/win32/rpcrt4/rpc_defs.h (revision 87a48c83)
1 /*
2  * RPC definitions
3  *
4  * Copyright 2001-2002 Ove Kåven, TransGaming Technologies
5  * Copyright 2004 Filip Navara
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21 
22 #ifndef __WINE_RPC_DEFS_H
23 #define __WINE_RPC_DEFS_H
24 
25 #include "pshpack1.h"
26 typedef struct
27 {
28   unsigned char rpc_ver;          /* RPC major version (5) */
29   unsigned char rpc_ver_minor;    /* RPC minor version (0) */
30   unsigned char ptype;            /* Packet type (PKT_*) */
31   unsigned char flags;
32   unsigned char drep[4];          /* Data representation */
33   unsigned short frag_len;        /* Data size in bytes including header and tail. */
34   unsigned short auth_len;        /* Authentication length  */
35   unsigned int  call_id;          /* Call identifier. */
36 } RpcPktCommonHdr;
37 
38 typedef struct
39 {
40   RpcPktCommonHdr common;
41   unsigned int   alloc_hint;      /* Data size in bytes excluding header and tail. */
42   unsigned short context_id;      /* Presentation context identifier */
43   unsigned short opnum;
44 } RpcPktRequestHdr;
45 
46 typedef struct
47 {
48   RpcPktCommonHdr common;
49   unsigned int   alloc_hint;      /* Data size in bytes excluding header and tail. */
50   unsigned short context_id;      /* Presentation context identifier */
51   unsigned char cancel_count;
52   unsigned char reserved;
53 } RpcPktResponseHdr;
54 
55 typedef struct
56 {
57   RpcPktCommonHdr common;
58   unsigned int   alloc_hint;      /* Data size in bytes excluding header and tail. */
59   unsigned short context_id;      /* Presentation context identifier */
60   unsigned char cancel_count;     /* Received cancel count */
61   unsigned char reserved;         /* Force alignment! */
62   unsigned int  status;           /* Runtime fault code (RPC_STATUS) */
63   unsigned int  reserved2;
64 } RpcPktFaultHdr;
65 
66 typedef struct
67 {
68   unsigned short context_id;      /* Presentation context identifier */
69   unsigned char num_syntaxes;     /* Number of syntaxes */
70   unsigned char reserved;         /* For alignment */
71   RPC_SYNTAX_IDENTIFIER abstract_syntax;
72   RPC_SYNTAX_IDENTIFIER transfer_syntaxes[ANYSIZE_ARRAY]; /* size_is(num_syntaxes) */
73 } RpcContextElement;
74 
75 typedef struct
76 {
77   RpcPktCommonHdr common;
78   unsigned short max_tsize;       /* Maximum transmission fragment size */
79   unsigned short max_rsize;       /* Maximum receive fragment size */
80   unsigned int  assoc_gid;        /* Associated group id */
81   unsigned char num_elements;     /* Number of elements */
82   unsigned char padding[3];       /* Force alignment! */
83   /*
84    * Following this header are these fields:
85    *  RpcContextElement context_elements[num_elements]
86    */
87 } RpcPktBindHdr;
88 
89 typedef struct
90 {
91   unsigned short length;  /* Length of the string including null terminator */
92   char string[ANYSIZE_ARRAY]; /* String data in single byte, null terminated form */
93 } RpcAddressString;
94 
95 typedef struct
96 {
97   unsigned short result;
98   unsigned short reason;
99   RPC_SYNTAX_IDENTIFIER transfer_syntax;
100 } RpcResult;
101 
102 typedef struct
103 {
104   unsigned char num_results;       /* Number of results */
105   unsigned char reserved[3];       /* Force alignment! */
106   RpcResult results[ANYSIZE_ARRAY]; /* size_is(num_results) */
107 } RpcResultList;
108 
109 typedef struct
110 {
111   RpcPktCommonHdr common;
112   unsigned short max_tsize;       /* Maximum transmission fragment size */
113   unsigned short max_rsize;       /* Maximum receive fragment size */
114   unsigned int assoc_gid;         /* Associated group id */
115   /*
116    * Following this header are these fields:
117    *   RpcAddressString server_address;
118    *   [0 - 3 bytes of padding so that results is 4-byte aligned]
119    *   RpcResultList results;
120    */
121 } RpcPktBindAckHdr;
122 
123 typedef struct
124 {
125   RpcPktCommonHdr common;
126   unsigned short reject_reason;
127   unsigned char protocols_count;
128   struct {
129     unsigned char rpc_ver;
130     unsigned char rpc_ver_minor;
131   } protocols[ANYSIZE_ARRAY];
132 } RpcPktBindNAckHdr;
133 
134 /* undocumented packet sent during RPC over HTTP */
135 typedef struct
136 {
137   RpcPktCommonHdr common;
138   unsigned short flags;
139   unsigned short num_data_items;
140 } RpcPktHttpHdr;
141 
142 /* AUTH3 packet */
143 typedef struct
144 {
145   RpcPktCommonHdr common;
146   unsigned int pad; /* ignored */
147 } RpcPktAuth3Hdr;
148 
149 /* Union representing all possible packet headers */
150 typedef union
151 {
152   RpcPktCommonHdr common;
153   RpcPktRequestHdr request;
154   RpcPktResponseHdr response;
155   RpcPktFaultHdr fault;
156   RpcPktBindHdr bind;
157   RpcPktBindAckHdr bind_ack;
158   RpcPktBindNAckHdr bind_nack;
159   RpcPktHttpHdr http;
160   RpcPktAuth3Hdr auth3;
161 } RpcPktHdr;
162 
163 typedef struct
164 {
165   unsigned char auth_type;       /* authentication scheme in use */
166   unsigned char auth_level;      /* RPC_C_AUTHN_LEVEL* */
167   unsigned char auth_pad_length; /* length of padding to restore n % 4 alignment */
168   unsigned char auth_reserved;   /* reserved, must be zero */
169   unsigned int  auth_context_id; /* unique value for the authenticated connection */
170 } RpcAuthVerifier;
171 #include "poppack.h"
172 
173 #define RPC_AUTH_VERIFIER_LEN(common_hdr) \
174     ((common_hdr)->auth_len ? (common_hdr)->auth_len + sizeof(RpcAuthVerifier) : 0)
175 
176 #define RPC_VER_MAJOR             5
177 #define RPC_VER_MINOR             0
178 
179 #define RPC_FLG_FIRST             1
180 #define RPC_FLG_LAST              2
181 #define RPC_FLG_OBJECT_UUID    0x80
182 
183 #define RPC_MIN_PACKET_SIZE  0x1000
184 #define RPC_MAX_PACKET_SIZE  0x16D0
185 
186 enum rpc_packet_type
187 {
188     PKT_REQUEST = 0,
189     PKT_PING = 1,
190     PKT_RESPONSE = 2,
191     PKT_FAULT = 3,
192     PKT_WORKING = 4,
193     PKT_NOCALL = 5,
194     PKT_REJECT = 6,
195     PKT_ACK = 7,
196     PKT_CL_CANCEL = 8,
197     PKT_FACK = 9,
198     PKT_CANCEL_ACK = 10,
199     PKT_BIND = 11,
200     PKT_BIND_ACK = 12,
201     PKT_BIND_NACK = 13,
202     PKT_ALTER_CONTEXT = 14,
203     PKT_ALTER_CONTEXT_RESP = 15,
204     PKT_AUTH3 = 16,
205     PKT_SHUTDOWN = 17,
206     PKT_CO_CANCEL = 18,
207     PKT_ORPHANED = 19,
208     PKT_HTTP = 20,
209 };
210 
211 #define RESULT_ACCEPT               0
212 #define RESULT_USER_REJECTION       1
213 #define RESULT_PROVIDER_REJECTION   2
214 
215 #define REASON_NONE                             0
216 #define REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED    1
217 #define REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED  2
218 #define REASON_LOCAL_LIMIT_EXCEEDED             3
219 
220 #define REJECT_REASON_NOT_SPECIFIED            0
221 #define REJECT_TEMPORARY_CONGESTION            1
222 #define REJECT_LOCAL_LIMIT_EXCEEDED            2
223 #define REJECT_CALLED_PADDR_UNKNOWN            3 /* not used */
224 #define REJECT_PROTOCOL_VERSION_NOT_SUPPORTED  4
225 #define REJECT_DEFAULT_CONTEXT_NOT_SUPPORTED   5 /* not used */
226 #define REJECT_USER_DATA_NOT_READABLE          6 /* not used */
227 #define REJECT_NO_PSAP_AVAILABLE               7 /* not used */
228 #define REJECT_UNKNOWN_AUTHN_SERVICE           8
229 #define REJECT_INVALID_CHECKSUM                9
230 
231 #define NCADG_IP_UDP   0x08
232 #define NCACN_IP_TCP   0x07
233 #define NCADG_IPX      0x0E
234 #define NCACN_SPX      0x0C
235 #define NCACN_NB_NB    0x12
236 #define NCACN_NB_IPX   0x0D
237 #define NCACN_DNET_NSP 0x04
238 #define NCACN_HTTP     0x1F
239 
240 /* FreeDCE: TWR_C_FLR_PROT_ID_IP */
241 #define TWR_IP 0x09
242 
243 #endif  /* __WINE_RPC_DEFS_H */
244