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0ff2ce543e
in the RPC code. This change was prompted by trying to save a long (>256) character comment in the printer properties page. The new system associates a TALLOC_CTX with the pipe struct, and frees the pool on return of a complete PDU. A global TALLOC_CTX is used for the odd buffer allocated in the BUFFERxx code, and is freed in the main loop. This code works with insure, and seems to be free of memory leaks and crashes (so far) but there are probably the occasional problem with code that uses UNISTRxx structs on the stack and expects them to contain storage without doing a init_unistrXX(). This means that rpcclient will probably be horribly broken. A TALLOC_CTX also needed associating with the struct cli_state also, to make the prs_xx code there work. The main interface change is the addition of a TALLOC_CTX to the prs_init calls - used for dynamic allocation in the prs_XXX calls. Now this is in place it should make dynamic allocation of all RPC memory on unmarshall *much* easier to fix. Jeremy.
269 lines
6.1 KiB
C
269 lines
6.1 KiB
C
/*
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Unix SMB/Netbios implementation.
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Version 1.9.
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SMB parameters and setup
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Copyright (C) Andrew Tridgell 1992-1997
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Copyright (C) Luke Kenneth Casson Leighton 1996-1997
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Copyright (C) Paul Ashton 1997
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _NT_DOMAIN_H /* _NT_DOMAIN_H */
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#define _NT_DOMAIN_H
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/* dce/rpc support */
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#include "rpc_dce.h"
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/* miscellaneous structures / defines */
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#include "rpc_misc.h"
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#include "rpc_creds.h"
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#include "talloc.h"
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/*
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* A bunch of stuff that was put into smb.h
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* in the NTDOM branch - it didn't belong there.
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*/
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#define CHECK_STRUCT(data) \
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{ \
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if ((data)->struct_start != 0xfefefefe || \
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(data)->struct_end != 0xdcdcdcdc) \
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{ \
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DEBUG(0,("uninitialised structure (%s, %d)\n", \
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FUNCTION_MACRO, __LINE__)); \
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sleep(30); \
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} \
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}
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typedef struct _prs_struct
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{
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BOOL io; /* parsing in or out of data stream */
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/*
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* If the (incoming) data is big-endian. On output we are
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* always little-endian.
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*/
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BOOL bigendian_data;
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uint8 align; /* data alignment */
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BOOL is_dynamic; /* Do we own this memory or not ? */
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uint32 data_offset; /* Current working offset into data. */
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uint32 buffer_size; /* Current allocated size of the buffer. */
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uint32 grow_size; /* size requested via prs_grow() calls */
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char *data_p; /* The buffer itself. */
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TALLOC_CTX *mem_ctx; /* When unmarshalling, use this.... */
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} prs_struct;
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/*
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* Defines for io member of prs_struct.
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*/
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#define MARSHALL 0
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#define UNMARSHALL 1
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#define MARSHALLING(ps) (!(ps)->io)
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#define UNMARSHALLING(ps) ((ps)->io)
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typedef struct _output_data {
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/*
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* Raw RPC output data. This does not include RPC headers or footers.
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*/
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prs_struct rdata;
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/* The amount of data sent from the current rdata struct. */
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uint32 data_sent_length;
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/*
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* The current PDU being returned. This inclues
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* headers, data and authentication footer.
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*/
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unsigned char current_pdu[MAX_PDU_FRAG_LEN];
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/* The amount of data in the current_pdu buffer. */
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uint32 current_pdu_len;
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/* The amount of data sent from the current PDU. */
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uint32 current_pdu_sent;
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} output_data;
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typedef struct _input_data {
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/*
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* This is the current incoming pdu. The data here
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* is collected via multiple writes until a complete
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* pdu is seen, then the data is copied into the in_data
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* structure. The maximum size of this is 0x1630 (MAX_PDU_FRAG_LEN).
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*/
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unsigned char current_in_pdu[MAX_PDU_FRAG_LEN];
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/*
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* The amount of data needed to complete the in_pdu.
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* If this is zero, then we are at the start of a new
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* pdu.
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*/
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uint32 pdu_needed_len;
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/*
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* The amount of data received so far in the in_pdu.
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* If this is zero, then we are at the start of a new
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* pdu.
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*/
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uint32 pdu_received_len;
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/*
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* This is the collection of input data with all
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* the rpc headers and auth footers removed.
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* The maximum length of this (1Mb) is strictly enforced.
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*/
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prs_struct data;
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} input_data;
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struct msrpc_state
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{
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fstring pipe_name;
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struct user_creds usr;
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struct ntdom_info nt;
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int fd;
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BOOL redirect;
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BOOL initialised;
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char *inbuf;
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char *outbuf;
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uint32 pid;
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};
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typedef struct pipes_struct
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{
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struct pipes_struct *next, *prev;
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int pnum;
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connection_struct *conn;
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uint16 vuid;
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BOOL open; /* open connection */
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uint16 device_state;
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uint16 priority;
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fstring name;
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fstring pipe_srv_name;
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RPC_HDR hdr; /* Incoming RPC header. */
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RPC_HDR_REQ hdr_req; /* Incoming request header. */
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uint32 ntlmssp_chal_flags; /* Client challenge flags. */
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BOOL ntlmssp_auth_requested; /* If the client wanted authenticated rpc. */
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BOOL ntlmssp_auth_validated; /* If the client *got* authenticated rpc. */
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unsigned char challenge[8];
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unsigned char ntlmssp_hash[258];
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uint32 ntlmssp_seq_num;
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/*
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* Windows user info.
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*/
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fstring user_name;
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fstring domain;
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fstring wks;
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/*
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* Unix user name and credentials.
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*/
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fstring pipe_user_name;
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struct current_user pipe_user;
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/*
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* Set to true when an RPC bind has been done on this pipe.
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*/
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BOOL pipe_bound;
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/*
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* Set to true when we should return fault PDU's for everything.
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*/
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BOOL fault_state;
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/*
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* Struct to deal with multiple pdu inputs.
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*/
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input_data in_data;
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/*
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* Struct to deal with multiple pdu outputs.
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*/
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output_data out_data;
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/* When replying to an SMBtrans, this is the maximum amount of
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data that can be sent in the initial reply. */
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int max_trans_reply;
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/* talloc context to use when allocating memory on this pipe. */
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TALLOC_CTX *mem_ctx;
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} pipes_struct;
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struct api_struct
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{
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char *name;
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uint8 opnum;
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BOOL (*fn) (pipes_struct *);
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};
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typedef struct
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{
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uint32 rid;
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char *name;
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} rid_name;
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struct acct_info
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{
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fstring acct_name; /* account name */
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uint32 smb_userid; /* domain-relative RID */
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};
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/*
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* higher order functions for use with msrpc client code
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*/
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#define PRINT_INFO_FN(fn)\
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void (*fn)(const char*, uint32, uint32, void *const *const)
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#define JOB_INFO_FN(fn)\
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void (*fn)(const char*, const char*, uint32, uint32, void *const *const)
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/* end higher order functions */
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/* security descriptor structures */
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#include "rpc_secdes.h"
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/* different dce/rpc pipes */
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#include "rpc_lsa.h"
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#include "rpc_netlogon.h"
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#include "rpc_reg.h"
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#if OLD_NTDOMAIN
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#include "rpc_samr_old.h"
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#else
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#include "rpc_samr.h"
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#endif
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#include "rpc_srvsvc.h"
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#include "rpc_wkssvc.h"
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#include "rpc_spoolss.h"
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#include "rpc_dfs.h"
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#include "sids.h"
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#endif /* _NT_DOMAIN_H */
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