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- no longer put ACLs at end of dump

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- connect as appropriate user in pg_restore with db connection
- dump owner of rule in pg_dump
This commit is contained in:
Philip Warner 2000-07-24 06:24:26 +00:00
parent cd9f0ca545
commit bb080400f8
6 changed files with 122 additions and 147 deletions
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2
src/bin/pg_dump/Makefile
View File

@ -4,7 +4,7 @@
#
# Copyright (c) 1994, Regents of the University of California
#
# $Header: /cvsroot/pgsql/src/bin/pg_dump/Makefile,v 1.20 2000/07/21 11:40:08 pjw Exp $
# $Header: /cvsroot/pgsql/src/bin/pg_dump/Makefile,v 1.21 2000/07/24 06:24:26 pjw Exp $
#
#-------------------------------------------------------------------------

44
src/bin/pg_dump/pg_backup_archiver.c
View File

@ -43,6 +43,8 @@ static int _tocSortCompareByIDNum(const void *p1, const void *p2);
static ArchiveHandle* _allocAH(const char* FileSpec, const ArchiveFormat fmt,
int compression, ArchiveMode mode);
static int _printTocEntry(ArchiveHandle* AH, TocEntry* te, RestoreOptions *ropt);
static void _reconnectAsOwner(ArchiveHandle* AH, TocEntry* te);
static int _tocEntryRequired(TocEntry* te, RestoreOptions *ropt);
static void _disableTriggers(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt);
static void _enableTriggers(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt);
@ -153,6 +155,12 @@ void RestoreArchive(Archive* AHX, RestoreOptions *ropt)
/* Work out what, if anything, we want from this entry */
reqs = _tocEntryRequired(te, ropt);
/* Reconnect if necessary */
if (reqs != 0)
{
_reconnectAsOwner(AH, te);
}
if ( (reqs & 1) != 0) /* We want the schema */
{
ahlog(AH, 1, "Creating %s %s\n", te->desc, te->name);
@ -772,6 +780,14 @@ void ahlog(ArchiveHandle* AH, int level, const char *fmt, ...)
va_end(ap);
}
/*
* Single place for logic which says 'We are restoring to a direct DB connection'.
*/
int RestoringToDB(ArchiveHandle* AH)
{
return (AH->ropt && AH->ropt->useDB && AH->connection);
}
/*
* Write buffer to the output file (usually stdout). This is user for
* outputting 'restore' scripts etc. It is even possible for an archive
@ -798,7 +814,7 @@ int ahwrite(const void *ptr, size_t size, size_t nmemb, ArchiveHandle* AH)
* If we're doing a restore, and it's direct to DB, and we're connected
* then send it to the DB.
*/
if (AH->ropt && AH->ropt->useDB && AH->connection)
if (RestoringToDB(AH))
return ExecuteSqlCommandBuf(AH, (void*)ptr, size*nmemb);
else
return fwrite((void*)ptr, size, nmemb, AH->OF);
@ -1335,22 +1351,32 @@ static int _tocEntryRequired(TocEntry* te, RestoreOptions *ropt)
return res;
}
static void _reconnectAsOwner(ArchiveHandle* AH, TocEntry* te)
{
if (te->owner && strlen(te->owner) != 0 && strcmp(AH->currUser, te->owner) != 0) {
if (RestoringToDB(AH))
{
ReconnectDatabase(AH, te->owner);
//todo pjw - ???? fix for db connection...
}
else
{
ahprintf(AH, "\\connect - %s\n", te->owner);
}
AH->currUser = te->owner;
}
}
static int _printTocEntry(ArchiveHandle* AH, TocEntry* te, RestoreOptions *ropt)
{
ahprintf(AH, "--\n-- TOC Entry ID %d (OID %s)\n--\n-- Name: %s Type: %s Owner: %s\n",
te->id, te->oid, te->name, te->desc, te->owner);
if (AH->PrintExtraTocPtr != NULL) {
(*AH->PrintExtraTocPtr)(AH, te);
(*AH->PrintExtraTocPtr)(AH, te);
}
ahprintf(AH, "--\n\n");
if (te->owner && strlen(te->owner) != 0 && strcmp(AH->currUser, te->owner) != 0) {
//todo pjw - fix for db connection...
//ahprintf(AH, "\\connect - %s\n", te->owner);
AH->currUser = te->owner;
}
ahprintf(AH, "%s\n", te->defn);
ahprintf(AH, "%s\n", te->defn);
return 1;
}

2
src/bin/pg_dump/pg_backup_archiver.h
View File

@ -264,6 +264,8 @@ extern int isValidTarHeader(char *header);
extern OutputContext SetOutput(ArchiveHandle* AH, char *filename, int compression);
extern void ResetOutput(ArchiveHandle* AH, OutputContext savedContext);
extern int RestoringToDB(ArchiveHandle* AH);
extern int ReconnectDatabase(ArchiveHandle *AH, char *newUser);
int ahwrite(const void *ptr, size_t size, size_t nmemb, ArchiveHandle* AH);
int ahprintf(ArchiveHandle* AH, const char *fmt, ...);

93
src/bin/pg_dump/pg_backup_db.c
View File

@ -48,20 +48,26 @@ _prompt_for_password(char *username, char *password)
t;
#endif
fprintf(stderr, "Username: ");
fflush(stderr);
fgets(username, 100, stdin);
length = strlen(username);
/* skip rest of the line */
if (length > 0 && username[length - 1] != '\n')
/*
* Allow for forcing a specific username
*/
if (strlen(username) == 0)
{
do
fprintf(stderr, "Username: ");
fflush(stderr);
fgets(username, 100, stdin);
length = strlen(username);
/* skip rest of the line */
if (length > 0 && username[length - 1] != '\n')
{
fgets(buf, 512, stdin);
} while (buf[strlen(buf) - 1] != '\n');
do
{
fgets(buf, 512, stdin);
} while (buf[strlen(buf) - 1] != '\n');
}
if (length > 0 && username[length - 1] == '\n')
username[length - 1] = '\0';
}
if (length > 0 && username[length - 1] == '\n')
username[length - 1] = '\0';
#ifdef HAVE_TERMIOS_H
tcgetattr(0, &t);
@ -125,17 +131,69 @@ _check_database_version(ArchiveHandle *AH, bool ignoreVersion)
PQclear(res);
}
int ReconnectDatabase(ArchiveHandle *AH, char *newUser)
{
int need_pass;
PGconn *newConn;
char password[100];
char *pwparam = NULL;
int badPwd = 0;
int noPwd = 0;
ahlog(AH, 1, "Connecting as %s\n", newUser);
do
{
need_pass = false;
newConn = PQsetdbLogin(PQhost(AH->connection), PQport(AH->connection),
NULL, NULL, PQdb(AH->connection),
newUser, pwparam);
if (!newConn)
die_horribly(AH, "%s: Failed to reconnect (PQsetdbLogin failed).\n", progname);
if (PQstatus(newConn) == CONNECTION_BAD)
{
noPwd = (strcmp(PQerrorMessage(newConn), "fe_sendauth: no password supplied\n") == 0);
badPwd = (strncmp(PQerrorMessage(newConn), "Password authentication failed for user", 39)
== 0);
if (noPwd || badPwd)
{
if (badPwd)
fprintf(stderr, "Password incorrect\n");
fprintf(stderr, "Connecting to %s as %s\n", PQdb(AH->connection), newUser);
need_pass = true;
_prompt_for_password(newUser, password);
pwparam = password;
}
else
die_horribly(AH, "%s: Could not reconnect. %s\n", progname, PQerrorMessage(newConn));
}
} while (need_pass);
PQfinish(AH->connection);
AH->connection = newConn;
strcpy(AH->username, newUser);
return 1;
}
PGconn* ConnectDatabase(Archive *AHX,
const char* dbname,
const char* pghost,
const char* pgport,
const int reqPwd,
const int ignoreVersion)
const int reqPwd,
const int ignoreVersion)
{
ArchiveHandle *AH = (ArchiveHandle*)AHX;
char connect_string[512] = "";
char tmp_string[128];
char password[100];
char connect_string[512] = "";
char tmp_string[128];
char password[100];
if (AH->connection)
die_horribly(AH, "%s: already connected to database\n", progname);
@ -168,6 +226,7 @@ PGconn* ConnectDatabase(Archive *AHX,
if (reqPwd)
{
AH->username[0] = '\0';
_prompt_for_password(AH->username, password);
strcat(connect_string, "authtype=password ");
sprintf(tmp_string, "user=%s ", AH->username);
@ -188,6 +247,8 @@ PGconn* ConnectDatabase(Archive *AHX,
/* check for version mismatch */
_check_database_version(AH, ignoreVersion);
AH->currUser = PQuser(AH->connection);
return AH->connection;
}

115
src/bin/pg_dump/pg_backup_plain_text.c
View File

@ -1,115 +0,0 @@
/*-------------------------------------------------------------------------
*
* pg_backup_plain_text.c
*
* This file is copied from the 'custom' format file, but dumps data into
* directly to a text file, and the TOC into the 'main' file.
*
* See the headers to pg_restore for more details.
*
* Copyright (c) 2000, Philip Warner
* Rights are granted to use this software in any way so long
* as this notice is not removed.
*
* The author is not responsible for loss or damages that may
* result from it's use.
*
*
* IDENTIFICATION
*
* Modifications - 01-Jul-2000 - pjw@rhyme.com.au
*
* Initial version.
*
*-------------------------------------------------------------------------
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h> /* for dup */
#include "pg_backup.h"
#include "pg_backup_archiver.h"
static void _ArchiveEntry(ArchiveHandle* AH, TocEntry* te);
static void _StartData(ArchiveHandle* AH, TocEntry* te);
static int _WriteData(ArchiveHandle* AH, const void* data, int dLen);
static void _EndData(ArchiveHandle* AH, TocEntry* te);
static int _WriteByte(ArchiveHandle* AH, const int i);
static int _WriteBuf(ArchiveHandle* AH, const void* buf, int len);
static void _CloseArchive(ArchiveHandle* AH);
static void _PrintTocData(ArchiveHandle* AH, TocEntry* te, RestoreOptions *ropt);
/*
* Initializer
*/
void InitArchiveFmt_PlainText(ArchiveHandle* AH)
{
/* Assuming static functions, this can be copied for each format. */
AH->ArchiveEntryPtr = _ArchiveEntry;
AH->StartDataPtr = _StartData;
AH->WriteDataPtr = _WriteData;
AH->EndDataPtr = _EndData;
AH->WriteBytePtr = _WriteByte;
AH->WriteBufPtr = _WriteBuf;
AH->ClosePtr = _CloseArchive;
AH->PrintTocDataPtr = _PrintTocData;
/*
* Now prevent reading...
*/
if (AH->mode == archModeRead)
die_horribly("%s: This format can not be read\n");
}
/*
* - Start a new TOC entry
*/
static void _ArchiveEntry(ArchiveHandle* AH, TocEntry* te)
{
/* Don't need to do anything */
}
static void _StartData(ArchiveHandle* AH, TocEntry* te)
{
ahprintf(AH, "--\n-- Data for TOC Entry ID %d (OID %s) %s %s\n--\n\n",
te->id, te->oid, te->desc, te->name);
}
static int _WriteData(ArchiveHandle* AH, const void* data, int dLen)
{
ahwrite(data, 1, dLen, AH);
return dLen;
}
static void _EndData(ArchiveHandle* AH, TocEntry* te)
{
ahprintf(AH, "\n\n");
}
/*
* Print data for a given TOC entry
*/
static void _PrintTocData(ArchiveHandle* AH, TocEntry* te, RestoreOptions *ropt)
{
if (*te->dataDumper)
(*te->dataDumper)((Archive*)AH, te->oid, te->dataDumperArg);
}
static int _WriteByte(ArchiveHandle* AH, const int i)
{
/* Don't do anything */
return 0;
}
static int _WriteBuf(ArchiveHandle* AH, const void* buf, int len)
{
/* Don't do anything */
return len;
}
static void _CloseArchive(ArchiveHandle* AH)
{
/* Nothing to do */
}

13
src/bin/pg_dump/pg_dump.c
View File

@ -22,7 +22,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.160 2000/07/21 11:40:08 pjw Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.161 2000/07/24 06:24:26 pjw Exp $
*
* Modifications - 6/10/96 - dave@bensoft.com - version 1.13.dhb
*
@ -883,7 +883,6 @@ main(int argc, char **argv)
MoveToEnd(g_fout, "INDEX");
MoveToEnd(g_fout, "TRIGGER");
MoveToEnd(g_fout, "RULE");
MoveToEnd(g_fout, "ACL");
if (plainText)
{
@ -3819,6 +3818,7 @@ dumpRules(Archive *fout, const char *tablename,
int i_definition;
int i_oid;
int i_owner;
int i_rulename;
if (g_verbose)
@ -3837,8 +3837,9 @@ dumpRules(Archive *fout, const char *tablename,
* Get all rules defined for this table
*/
resetPQExpBuffer(query);
appendPQExpBuffer(query, "SELECT pg_get_ruledef(pg_rewrite.rulename) "
"AS definition, pg_rewrite.oid, pg_rewrite.rulename FROM pg_rewrite, pg_class "
appendPQExpBuffer(query, "SELECT pg_get_ruledef(pg_rewrite.rulename) AS definition,"
"pg_get_userbyid(pg_class.relowner) AS viewowner, "
"pg_rewrite.oid, pg_rewrite.rulename FROM pg_rewrite, pg_class "
"WHERE pg_class.relname = '%s' "
"AND pg_rewrite.ev_class = pg_class.oid "
"ORDER BY pg_rewrite.oid",
@ -3854,6 +3855,7 @@ dumpRules(Archive *fout, const char *tablename,
nrules = PQntuples(res);
i_definition = PQfnumber(res, "definition");
i_owner = PQfnumber(res, "viewowner");
i_oid = PQfnumber(res, "oid");
i_rulename = PQfnumber(res, "rulename");
@ -3863,10 +3865,9 @@ dumpRules(Archive *fout, const char *tablename,
for (i = 0; i < nrules; i++)
{
ArchiveEntry(fout, PQgetvalue(res, i, i_oid), PQgetvalue(res, i, i_rulename),
"RULE", NULL, PQgetvalue(res, i, i_definition),
"", "", "", NULL, NULL);
"", "", PQgetvalue(res, i, i_owner), NULL, NULL);
/* Dump rule comments */