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/*-------------------------------------------------------------------------
*
* main.c
* Stub main() routine for the postgres backend.
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/main/main.c,v 1.32 2000/10/07 14:39:07 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include <pwd.h>
#include <unistd.h>
#if defined(__alpha__) && !defined(linux)
#include <sys/sysinfo.h>
#include "machine/hal_sysinfo.h"
#define ASSEMBLER
#include <sys/proc.h>
#undef ASSEMBLER
#endif
#ifdef USE_LOCALE
#include <locale.h>
#endif
#include "miscadmin.h"
#include "bootstrap/bootstrap.h"
#include "tcop/tcopprot.h"
#define NOROOTEXEC "\
\n\"root\" execution of the PostgreSQL backend is not permitted.\n\n\
The backend must be started under its own userid to prevent\n\
a possible system security compromise. See the INSTALL file for\n\
more information on how to properly start the postmaster.\n\n"
int
main(int argc, char *argv[])
{
int len;
#if defined(__alpha__)
#ifdef NOFIXADE
int buffer[] = {SSIN_UACPROC, UAC_SIGBUS};
#endif /* NOFIXADE */
#ifdef NOPRINTADE
int buffer[] = {SSIN_UACPROC, UAC_NOPRINT};
#endif /* NOPRINTADE */
#endif
#ifdef USE_LOCALE
setlocale(LC_CTYPE, ""); /* take locale information from an
* environment */
setlocale(LC_COLLATE, "");
setlocale(LC_MONETARY, "");
#endif
#if defined(NOFIXADE) || defined(NOPRINTADE)
/*
* Must be first so that the bootstrap code calls it, too. (Only
* needed on some RISC architectures.)
*/
#if defined(ultrix4)
syscall(SYS_sysmips, MIPS_FIXADE, 0, NULL, NULL, NULL);
#endif
#if defined(__alpha__)
if (setsysinfo(SSI_NVPAIRS, buffer, 1, (caddr_t) NULL,
(unsigned long) NULL) < 0)
elog(NOTICE, "setsysinfo failed: %d\n", errno);
#endif
#endif /* NOFIXADE || NOPRINTADE */
/*
* use one executable for both postgres and postmaster, invoke one or
* the other depending on the name of the executable
*/
len = strlen(argv[0]);
/* OK this is going to seem weird, but BeOS is presently basically
* a single user system. There is work going on, but at present it'll
* say that every user is uid 0, i.e. root. We'll inhibit this check
* until Be get the system working with multiple users!!
*/
#ifndef __BEOS__
if (!geteuid())
{
fprintf(stderr, "%s", NOROOTEXEC);
exit(1);
}
#endif /* __BEOS__ */
#ifdef __BEOS__
/* Specific beos actions on startup */
beos_startup(argc,argv);
#endif
if (len >= 10 && !strcmp(argv[0] + len - 10, "postmaster"))
exit(PostmasterMain(argc, argv));
/*
* if the first argument is "-boot", then invoke the backend in
* bootstrap mode
*/
if (argc > 1 && strcmp(argv[1], "-boot") == 0)
exit(BootstrapMain(argc - 1, argv + 1)); /* remove the -boot arg
* from the command line */
else
{
struct passwd *pw;
pw = getpwuid(geteuid());
if (!pw)
{
fprintf(stderr, "%s: invalid current euid", argv[0]);
exit(1);
}
exit(PostgresMain(argc, argv, argc, argv, pw->pw_name));
}
}
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