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101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*-------------------------------------------------------------------------
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*
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* libpq_be.h
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* This file contains definitions for structures and externs used
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* by the postmaster during client authentication.
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*
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* Note that this is backend-internal and is NOT exported to clients.
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* Structs that need to be client-visible are in pqcomm.h.
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*
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*
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* Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/libpq/libpq-be.h,v 1.48 2004/08/29 05:06:56 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef LIBPQ_BE_H
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#define LIBPQ_BE_H
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef USE_SSL
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#include <openssl/ssl.h>
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#include <openssl/err.h>
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#endif
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#include "libpq/hba.h"
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#include "libpq/pqcomm.h"
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typedef enum CAC_state
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{
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CAC_OK, CAC_STARTUP, CAC_SHUTDOWN, CAC_RECOVERY, CAC_TOOMANY
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} CAC_state;
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/*
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* This is used by the postmaster in its communication with frontends. It
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* contains all state information needed during this communication before the
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* backend is run. The Port structure is kept in malloc'd memory and is
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* still available when a backend is running (see MyProcPort). The data
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* it points to must also be malloc'd, or else palloc'd in TopMemoryContext,
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* so that it survives into PostgresMain execution!
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*/
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typedef struct Port
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{
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int sock; /* File descriptor */
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ProtocolVersion proto; /* FE/BE protocol version */
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SockAddr laddr; /* local addr (postmaster) */
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SockAddr raddr; /* remote addr (client) */
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char *remote_host; /* name (or ip addr) of remote host */
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char *remote_port; /* text rep of remote port */
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CAC_state canAcceptConnections; /* postmaster connection status */
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/*
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* Information that needs to be saved from the startup packet and
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* passed into backend execution. "char *" fields are NULL if not
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* set. guc_options points to a List of alternating option names and
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* values.
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*/
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char *database_name;
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char *user_name;
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char *cmdline_options;
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List *guc_options;
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/*
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* Information that needs to be held during the authentication cycle.
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*/
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UserAuth auth_method;
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char *auth_arg;
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char md5Salt[4]; /* Password salt */
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char cryptSalt[2]; /* Password salt */
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/*
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* Information that really has no business at all being in struct
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* Port, but since it gets used by elog.c in the same way as
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* database_name and other members of this struct, we may as well keep
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* it here.
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*/
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const char *commandTag; /* current command tag */
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struct timeval session_start; /* for session duration logging */
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/*
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* SSL structures
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*/
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#ifdef USE_SSL
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SSL *ssl;
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X509 *peer;
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char peer_dn[128 + 1];
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char peer_cn[SM_USER + 1];
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unsigned long count;
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#endif
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} Port;
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extern ProtocolVersion FrontendProtocol;
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#endif /* LIBPQ_BE_H */
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