lwall@netlabs.com (Larry Wall) (04/15/91)
Submitted-by: Larry Wall <lwall@netlabs.com>
Posting-number: Volume 18, Issue 21
Archive-name: perl/part03
[There are 36 kits for perl version 4.0.]
#! /bin/sh
# Make a new directory for the perl sources, cd to it, and run kits 1
# thru 36 through sh. When all 36 kits have been run, read README.
echo "This is perl 4.0 kit 3 (of 36). If kit 3 is complete, the line"
echo '"'"End of kit 3 (of 36)"'" will echo at the end.'
echo ""
export PATH || (echo "You didn't use sh, you clunch." ; kill $$)
mkdir 2>/dev/null
echo Extracting doio.c:AA
sed >doio.c:AA <<'!STUFFY!FUNK!' -e 's/X//'
X/* $RCSfile: doio.c,v $$Revision: 4.0.1.1 $$Date: 91/04/11 17:41:06 $
X *
X * Copyright (c) 1989, Larry Wall
X *
X * You may distribute under the terms of the GNU General Public License
X * as specified in the README file that comes with the perl 3.0 kit.
X *
X * $Log: doio.c,v $
X * Revision 4.0.1.1 91/04/11 17:41:06 lwall
X * patch1: hopefully straightened out some of the Xenix mess
X *
X * Revision 4.0 91/03/20 01:07:06 lwall
X * 4.0 baseline.
X *
X */
X
X#include "EXTERN.h"
X#include "perl.h"
X
X#ifdef HAS_SOCKET
X#include <sys/socket.h>
X#include <netdb.h>
X#endif
X
X#ifdef HAS_SELECT
X#ifdef I_SYS_SELECT
X#ifndef I_SYS_TIME
X#include <sys/select.h>
X#endif
X#endif
X#endif
X
X#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
X#include <sys/ipc.h>
X#ifdef HAS_MSG
X#include <sys/msg.h>
X#endif
X#ifdef HAS_SEM
X#include <sys/sem.h>
X#endif
X#ifdef HAS_SHM
X#include <sys/shm.h>
X#endif
X#endif
X
X#ifdef I_PWD
X#include <pwd.h>
X#endif
X#ifdef I_GRP
X#include <grp.h>
X#endif
X#ifdef I_UTIME
X#include <utime.h>
X#endif
X#ifdef I_FCNTL
X#include <fcntl.h>
X#endif
X#ifdef I_SYS_FILE
X#include <sys/file.h>
X#endif
X
Xint laststatval = -1;
Xint laststype = O_STAT;
X
Xbool
Xdo_open(stab,name,len)
XSTAB *stab;
Xregister char *name;
Xint len;
X{
X FILE *fp;
X register STIO *stio = stab_io(stab);
X char *myname = savestr(name);
X int result;
X int fd;
X int writing = 0;
X char mode[3]; /* stdio file mode ("r\0" or "r+\0") */
X
X name = myname;
X forkprocess = 1; /* assume true if no fork */
X while (len && isspace(name[len-1]))
X name[--len] = '\0';
X if (!stio)
X stio = stab_io(stab) = stio_new();
X else if (stio->ifp) {
X fd = fileno(stio->ifp);
X if (stio->type == '|')
X result = mypclose(stio->ifp);
X else if (stio->type == '-')
X result = 0;
X else if (stio->ifp != stio->ofp) {
X if (stio->ofp) {
X result = fclose(stio->ofp);
X fclose(stio->ifp); /* clear stdio, fd already closed */
X }
X else
X result = fclose(stio->ifp);
X }
X else
X result = fclose(stio->ifp);
X if (result == EOF && fd > 2)
X fprintf(stderr,"Warning: unable to close filehandle %s properly.\n",
X stab_name(stab));
X stio->ofp = stio->ifp = Nullfp;
X }
X if (*name == '+' && len > 1 && name[len-1] != '|') { /* scary */
X mode[1] = *name++;
X mode[2] = '\0';
X --len;
X writing = 1;
X }
X else {
X mode[1] = '\0';
X }
X stio->type = *name;
X if (*name == '|') {
X for (name++; isspace(*name); name++) ;
X#ifdef TAINT
X taintenv();
X taintproper("Insecure dependency in piped open");
X#endif
X fp = mypopen(name,"w");
X writing = 1;
X }
X else if (*name == '>') {
X#ifdef TAINT
X taintproper("Insecure dependency in open");
X#endif
X name++;
X if (*name == '>') {
X mode[0] = stio->type = 'a';
X name++;
X }
X else
X mode[0] = 'w';
X writing = 1;
X if (*name == '&') {
X duplicity:
X name++;
X while (isspace(*name))
X name++;
X if (isdigit(*name))
X fd = atoi(name);
X else {
X stab = stabent(name,FALSE);
X if (!stab || !stab_io(stab))
X return FALSE;
X if (stab_io(stab) && stab_io(stab)->ifp) {
X fd = fileno(stab_io(stab)->ifp);
X if (stab_io(stab)->type == 's')
X stio->type = 's';
X }
X else
X fd = -1;
X }
X if (!(fp = fdopen(fd = dup(fd),mode))) {
X close(fd);
X }
X }
X else {
X while (isspace(*name))
X name++;
X if (strEQ(name,"-")) {
X fp = stdout;
X stio->type = '-';
X }
X else {
X fp = fopen(name,mode);
X }
X }
X }
X else {
X if (*name == '<') {
X mode[0] = 'r';
X name++;
X while (isspace(*name))
X name++;
X if (*name == '&')
X goto duplicity;
X if (strEQ(name,"-")) {
X fp = stdin;
X stio->type = '-';
X }
X else
X fp = fopen(name,mode);
X }
X else if (name[len-1] == '|') {
X#ifdef TAINT
X taintenv();
X taintproper("Insecure dependency in piped open");
X#endif
X name[--len] = '\0';
X while (len && isspace(name[len-1]))
X name[--len] = '\0';
X for (; isspace(*name); name++) ;
X fp = mypopen(name,"r");
X stio->type = '|';
X }
X else {
X stio->type = '<';
X for (; isspace(*name); name++) ;
X if (strEQ(name,"-")) {
X fp = stdin;
X stio->type = '-';
X }
X else
X fp = fopen(name,"r");
X }
X }
X Safefree(myname);
X if (!fp)
X return FALSE;
X if (stio->type &&
X stio->type != '|' && stio->type != '-') {
X if (fstat(fileno(fp),&statbuf) < 0) {
X (void)fclose(fp);
X return FALSE;
X }
X if (S_ISSOCK(statbuf.st_mode))
X stio->type = 's'; /* in case a socket was passed in to us */
X#ifdef S_IFMT
X else if (!(statbuf.st_mode & S_IFMT))
X stio->type = 's'; /* some OS's return 0 on fstat()ed socket */
X#endif
X }
X#if defined(HAS_FCNTL) && defined(F_SETFD)
X fd = fileno(fp);
X fcntl(fd,F_SETFD,fd >= 3);
X#endif
X stio->ifp = fp;
X if (writing) {
X if (stio->type != 's')
X stio->ofp = fp;
X else
X if (!(stio->ofp = fdopen(fileno(fp),"w"))) {
X fclose(fp);
X stio->ifp = Nullfp;
X }
X }
X return TRUE;
X}
X
XFILE *
Xnextargv(stab)
Xregister STAB *stab;
X{
X register STR *str;
X int filedev;
X int fileino;
X int fileuid;
X int filegid;
X static int filemode = 0;
X static int lastfd;
X static char *oldname;
X
X if (!argvoutstab)
X argvoutstab = stabent("ARGVOUT",TRUE);
X if (filemode & (S_ISUID|S_ISGID)) {
X fflush(stab_io(argvoutstab)->ifp); /* chmod must follow last write */
X#ifdef HAS_FCHMOD
X (void)fchmod(lastfd,filemode);
X#else
X (void)chmod(oldname,filemode);
X#endif
X }
X filemode = 0;
X while (alen(stab_xarray(stab)) >= 0) {
X str = ashift(stab_xarray(stab));
X str_sset(stab_val(stab),str);
X STABSET(stab_val(stab));
X oldname = str_get(stab_val(stab));
X if (do_open(stab,oldname,stab_val(stab)->str_cur)) {
X if (inplace) {
X#ifdef TAINT
X taintproper("Insecure dependency in inplace open");
X#endif
X if (strEQ(oldname,"-")) {
X str_free(str);
X defoutstab = stabent("STDOUT",TRUE);
X return stab_io(stab)->ifp;
X }
X filedev = statbuf.st_dev;
X fileino = statbuf.st_ino;
X filemode = statbuf.st_mode;
X fileuid = statbuf.st_uid;
X filegid = statbuf.st_gid;
X if (!S_ISREG(filemode)) {
X warn("Can't do inplace edit: %s is not a regular file",
X oldname );
X do_close(stab,FALSE);
X str_free(str);
X continue;
X }
X if (*inplace) {
X#ifdef SUFFIX
X add_suffix(str,inplace);
X#else
X str_cat(str,inplace);
X#endif
X#ifndef FLEXFILENAMES
X if (stat(str->str_ptr,&statbuf) >= 0
X && statbuf.st_dev == filedev
X && statbuf.st_ino == fileino ) {
X warn("Can't do inplace edit: %s > 14 characters",
X str->str_ptr );
X do_close(stab,FALSE);
X str_free(str);
X continue;
X }
X#endif
X#ifdef HAS_RENAME
X#ifndef MSDOS
X if (rename(oldname,str->str_ptr) < 0) {
X warn("Can't rename %s to %s: %s, skipping file",
X oldname, str->str_ptr, strerror(errno) );
X do_close(stab,FALSE);
X str_free(str);
X continue;
X }
X#else
X do_close(stab,FALSE);
X (void)unlink(str->str_ptr);
X (void)rename(oldname,str->str_ptr);
X do_open(stab,str->str_ptr,stab_val(stab)->str_cur);
X#endif /* MSDOS */
X#else
X (void)UNLINK(str->str_ptr);
X if (link(oldname,str->str_ptr) < 0) {
X warn("Can't rename %s to %s: %s, skipping file",
X oldname, str->str_ptr, strerror(errno) );
X do_close(stab,FALSE);
X str_free(str);
X continue;
X }
X (void)UNLINK(oldname);
X#endif
X }
X else {
X#ifndef MSDOS
X if (UNLINK(oldname) < 0) {
X warn("Can't rename %s to %s: %s, skipping file",
X oldname, str->str_ptr, strerror(errno) );
X do_close(stab,FALSE);
X str_free(str);
X continue;
X }
X#else
X fatal("Can't do inplace edit without backup");
X#endif
X }
X
X str_nset(str,">",1);
X str_cat(str,oldname);
X errno = 0; /* in case sprintf set errno */
X if (!do_open(argvoutstab,str->str_ptr,str->str_cur)) {
X warn("Can't do inplace edit on %s: %s",
X oldname, strerror(errno) );
X do_close(stab,FALSE);
X str_free(str);
X continue;
X }
X defoutstab = argvoutstab;
X lastfd = fileno(stab_io(argvoutstab)->ifp);
X (void)fstat(lastfd,&statbuf);
X#ifdef HAS_FCHMOD
X (void)fchmod(lastfd,filemode);
X#else
X (void)chmod(oldname,filemode);
X#endif
X if (fileuid != statbuf.st_uid || filegid != statbuf.st_gid) {
X#ifdef HAS_FCHOWN
X (void)fchown(lastfd,fileuid,filegid);
X#else
X#ifdef HAS_CHOWN
X (void)chown(oldname,fileuid,filegid);
X#endif
X#endif
X }
X }
X str_free(str);
X return stab_io(stab)->ifp;
X }
X else
X fprintf(stderr,"Can't open %s: %s\n",str_get(str), strerror(errno));
X str_free(str);
X }
X if (inplace) {
X (void)do_close(argvoutstab,FALSE);
X defoutstab = stabent("STDOUT",TRUE);
X }
X return Nullfp;
X}
X
X#ifdef HAS_PIPE
Xvoid
Xdo_pipe(str, rstab, wstab)
XSTR *str;
XSTAB *rstab;
XSTAB *wstab;
X{
X register STIO *rstio;
X register STIO *wstio;
X int fd[2];
X
X if (!rstab)
X goto badexit;
X if (!wstab)
X goto badexit;
X
X rstio = stab_io(rstab);
X wstio = stab_io(wstab);
X
X if (!rstio)
X rstio = stab_io(rstab) = stio_new();
X else if (rstio->ifp)
X do_close(rstab,FALSE);
X if (!wstio)
X wstio = stab_io(wstab) = stio_new();
X else if (wstio->ifp)
X do_close(wstab,FALSE);
X
X if (pipe(fd) < 0)
X goto badexit;
X rstio->ifp = fdopen(fd[0], "r");
X wstio->ofp = fdopen(fd[1], "w");
X wstio->ifp = wstio->ofp;
X rstio->type = '<';
X wstio->type = '>';
X if (!rstio->ifp || !wstio->ofp) {
X if (rstio->ifp) fclose(rstio->ifp);
X else close(fd[0]);
X if (wstio->ofp) fclose(wstio->ofp);
X else close(fd[1]);
X goto badexit;
X }
X
X str_sset(str,&str_yes);
X return;
X
Xbadexit:
X str_sset(str,&str_undef);
X return;
X}
X#endif
X
Xbool
Xdo_close(stab,explicit)
XSTAB *stab;
Xbool explicit;
X{
X bool retval = FALSE;
X register STIO *stio;
X int status;
X
X if (!stab)
X stab = argvstab;
X if (!stab)
X return FALSE;
X stio = stab_io(stab);
X if (!stio) { /* never opened */
X if (dowarn && explicit)
X warn("Close on unopened file <%s>",stab_name(stab));
X return FALSE;
X }
X if (stio->ifp) {
X if (stio->type == '|') {
X status = mypclose(stio->ifp);
X retval = (status == 0);
X statusvalue = (unsigned short)status & 0xffff;
X }
X else if (stio->type == '-')
X retval = TRUE;
X else {
X if (stio->ofp && stio->ofp != stio->ifp) { /* a socket */
X retval = (fclose(stio->ofp) != EOF);
X fclose(stio->ifp); /* clear stdio, fd already closed */
X }
X else
X retval = (fclose(stio->ifp) != EOF);
X }
X stio->ofp = stio->ifp = Nullfp;
X }
X if (explicit)
X stio->lines = 0;
X stio->type = ' ';
X return retval;
X}
X
Xbool
Xdo_eof(stab)
XSTAB *stab;
X{
X register STIO *stio;
X int ch;
X
X if (!stab) { /* eof() */
X if (argvstab)
X stio = stab_io(argvstab);
X else
X return TRUE;
X }
X else
X stio = stab_io(stab);
X
X if (!stio)
X return TRUE;
X
X while (stio->ifp) {
X
X#ifdef STDSTDIO /* (the code works without this) */
X if (stio->ifp->_cnt > 0) /* cheat a little, since */
X return FALSE; /* this is the most usual case */
X#endif
X
X ch = getc(stio->ifp);
X if (ch != EOF) {
X (void)ungetc(ch, stio->ifp);
X return FALSE;
X }
X#ifdef STDSTDIO
X if (stio->ifp->_cnt < -1)
X stio->ifp->_cnt = -1;
X#endif
X if (!stab) { /* not necessarily a real EOF yet? */
X if (!nextargv(argvstab)) /* get another fp handy */
X return TRUE;
X }
X else
X return TRUE; /* normal fp, definitely end of file */
X }
X return TRUE;
X}
X
Xlong
Xdo_tell(stab)
XSTAB *stab;
X{
X register STIO *stio;
X
X if (!stab)
X goto phooey;
X
X stio = stab_io(stab);
X if (!stio || !stio->ifp)
X goto phooey;
X
X if (feof(stio->ifp))
X (void)fseek (stio->ifp, 0L, 2); /* ultrix 1.2 workaround */
X
X return ftell(stio->ifp);
X
Xphooey:
X if (dowarn)
X warn("tell() on unopened file");
X return -1L;
X}
X
Xbool
Xdo_seek(stab, pos, whence)
XSTAB *stab;
Xlong pos;
Xint whence;
X{
X register STIO *stio;
X
X if (!stab)
X goto nuts;
X
X stio = stab_io(stab);
X if (!stio || !stio->ifp)
X goto nuts;
X
X if (feof(stio->ifp))
X (void)fseek (stio->ifp, 0L, 2); /* ultrix 1.2 workaround */
X
X return fseek(stio->ifp, pos, whence) >= 0;
X
Xnuts:
X if (dowarn)
X warn("seek() on unopened file");
X return FALSE;
X}
X
Xint
Xdo_ctl(optype,stab,func,argstr)
Xint optype;
XSTAB *stab;
Xint func;
XSTR *argstr;
X{
X register STIO *stio;
X register char *s;
X int retval;
X
X if (!stab || !argstr)
X return -1;
X stio = stab_io(stab);
X if (!stio)
X return -1;
X
X if (argstr->str_pok || !argstr->str_nok) {
X if (!argstr->str_pok)
X s = str_get(argstr);
X
X#ifdef IOCPARM_MASK
X#ifndef IOCPARM_LEN
X#define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
X#endif
X#endif
X#ifdef IOCPARM_LEN
X retval = IOCPARM_LEN(func); /* on BSDish systes we're safe */
X#else
X retval = 256; /* otherwise guess at what's safe */
X#endif
X if (argstr->str_cur < retval) {
X Str_Grow(argstr,retval+1);
X argstr->str_cur = retval;
X }
X
X s = argstr->str_ptr;
X s[argstr->str_cur] = 17; /* a little sanity check here */
X }
X else {
X retval = (int)str_gnum(argstr);
X#ifdef MSDOS
X s = (char*)(long)retval; /* ouch */
X#else
X s = (char*)retval; /* ouch */
X#endif
X }
X
X#ifndef lint
X if (optype == O_IOCTL)
X retval = ioctl(fileno(stio->ifp), func, s);
X else
X#ifdef MSDOS
X fatal("fcntl is not implemented");
X#else
X#ifdef HAS_FCNTL
X retval = fcntl(fileno(stio->ifp), func, s);
X#else
X fatal("fcntl is not implemented");
X#endif
X#endif
X#else /* lint */
X retval = 0;
X#endif /* lint */
X
X if (argstr->str_pok) {
X if (s[argstr->str_cur] != 17)
X fatal("Return value overflowed string");
X s[argstr->str_cur] = 0; /* put our null back */
X }
X return retval;
X}
X
Xint
Xdo_stat(str,arg,gimme,arglast)
XSTR *str;
Xregister ARG *arg;
Xint gimme;
Xint *arglast;
X{
X register ARRAY *ary = stack;
X register int sp = arglast[0] + 1;
X int max = 13;
X
X if ((arg[1].arg_type & A_MASK) == A_WORD) {
X tmpstab = arg[1].arg_ptr.arg_stab;
X if (tmpstab != defstab) {
X laststype = O_STAT;
X statstab = tmpstab;
X str_set(statname,"");
X if (!stab_io(tmpstab) || !stab_io(tmpstab)->ifp ||
X fstat(fileno(stab_io(tmpstab)->ifp),&statcache) < 0) {
X max = 0;
X laststatval = -1;
X }
X }
X else if (laststatval < 0)
X max = 0;
X }
X else {
X str_set(statname,str_get(ary->ary_array[sp]));
X statstab = Nullstab;
X#ifdef HAS_LSTAT
X laststype = arg->arg_type;
X if (arg->arg_type == O_LSTAT)
X laststatval = lstat(str_get(statname),&statcache);
X else
X#endif
X laststatval = stat(str_get(statname),&statcache);
X if (laststatval < 0)
X max = 0;
X }
X
X if (gimme != G_ARRAY) {
X if (max)
X str_sset(str,&str_yes);
X else
X str_sset(str,&str_undef);
X STABSET(str);
X ary->ary_array[sp] = str;
X return sp;
X }
X sp--;
X if (max) {
X#ifndef lint
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_dev)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_ino)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_mode)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_nlink)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_uid)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_gid)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_rdev)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_size)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_atime)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_mtime)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_ctime)));
X#ifdef STATBLOCKS
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_blksize)));
X (void)astore(ary,++sp,
X str_2mortal(str_nmake((double)statcache.st_blocks)));
X#else
X (void)astore(ary,++sp,
X str_2mortal(str_make("",0)));
X (void)astore(ary,++sp,
X str_2mortal(str_make("",0)));
X#endif
X#else /* lint */
X (void)astore(ary,++sp,str_nmake(0.0));
X#endif /* lint */
X }
X return sp;
X}
X
X#if !defined(HAS_TRUNCATE) && !defined(HAS_CHSIZE) && defined(F_FREESP)
X /* code courtesy of William Kucharski */
X#define HAS_CHSIZE
X
Xint chsize(fd, length)
Xint fd; /* file descriptor */
Xoff_t length; /* length to set file to */
X{
X extern long lseek();
X struct flock fl;
X struct stat filebuf;
X
X if (fstat(fd, &filebuf) < 0)
X return -1;
X
X if (filebuf.st_size < length) {
X
X /* extend file length */
X
X if ((lseek(fd, (length - 1), 0)) < 0)
X return -1;
X
X /* write a "0" byte */
X
X if ((write(fd, "", 1)) != 1)
X return -1;
X }
X else {
X /* truncate length */
X
X fl.l_whence = 0;
X fl.l_len = 0;
X fl.l_start = length;
X fl.l_type = F_WRLCK; /* write lock on file space */
X
X /*
X * This relies on the UNDOCUMENTED F_FREESP argument to
X * fcntl(2), which truncates the file so that it ends at the
X * position indicated by fl.l_start.
X *
X * Will minor miracles never cease?
X */
X
X if (fcntl(fd, F_FREESP, &fl) < 0)
X return -1;
X
X }
X
X return 0;
X}
X#endif /* F_FREESP */
X
Xint
Xdo_truncate(str,arg,gimme,arglast)
XSTR *str;
Xregister ARG *arg;
Xint gimme;
Xint *arglast;
X{
X register ARRAY *ary = stack;
X register int sp = arglast[0] + 1;
X off_t len = (off_t)str_gnum(ary->ary_array[sp+1]);
X int result = 1;
X STAB *tmpstab;
X
X#if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE)
X#ifdef HAS_TRUNCATE
X if ((arg[1].arg_type & A_MASK) == A_WORD) {
X tmpstab = arg[1].arg_ptr.arg_stab;
X if (!stab_io(tmpstab) ||
X ftruncate(fileno(stab_io(tmpstab)->ifp), len) < 0)
X result = 0;
X }
X else if (truncate(str_get(ary->ary_array[sp]), len) < 0)
X result = 0;
X#else
X if ((arg[1].arg_type & A_MASK) == A_WORD) {
X tmpstab = arg[1].arg_ptr.arg_stab;
X if (!stab_io(tmpstab) ||
X chsize(fileno(stab_io(tmpstab)->ifp), len) < 0)
X result = 0;
X }
X else {
X int tmpfd;
X
X if ((tmpfd = open(str_get(ary->ary_array[sp]), 0)) < 0)
X result = 0;
X else {
X if (chsize(tmpfd, len) < 0)
X result = 0;
X close(tmpfd);
X }
X }
X#endif
X
X if (result)
X str_sset(str,&str_yes);
X else
X str_sset(str,&str_undef);
X STABSET(str);
X ary->ary_array[sp] = str;
X return sp;
X#else
X fatal("truncate not implemented");
X#endif
X}
X
Xint
Xlooks_like_number(str)
XSTR *str;
X{
X register char *s;
X register char *send;
X
X if (!str->str_pok)
X return TRUE;
X s = str->str_ptr;
X send = s + str->str_cur;
X while (isspace(*s))
X s++;
X if (s >= send)
X return FALSE;
X if (*s == '+' || *s == '-')
X s++;
X while (isdigit(*s))
X s++;
X if (s == send)
X return TRUE;
X if (*s == '.')
X s++;
X else if (s == str->str_ptr)
X return FALSE;
X while (isdigit(*s))
X s++;
X if (s == send)
X return TRUE;
X if (*s == 'e' || *s == 'E') {
X s++;
X if (*s == '+' || *s == '-')
X s++;
X while (isdigit(*s))
X s++;
X }
X while (isspace(*s))
X s++;
X if (s >= send)
X return TRUE;
X return FALSE;
X}
X
Xbool
Xdo_print(str,fp)
Xregister STR *str;
XFILE *fp;
X{
X register char *tmps;
X
X if (!fp) {
X if (dowarn)
X warn("print to unopened file");
X return FALSE;
X }
X if (!str)
X return TRUE;
X if (ofmt &&
X ((str->str_nok && str->str_u.str_nval != 0.0)
X || (looks_like_number(str) && str_gnum(str) != 0.0) ) ) {
X fprintf(fp, ofmt, str->str_u.str_nval);
X return !ferror(fp);
X }
X else {
X tmps = str_get(str);
X if (*tmps == 'S' && tmps[1] == 't' && tmps[2] == 'B' && tmps[3] == '\0'
X && str->str_cur == sizeof(STBP) && strlen(tmps) < str->str_cur) {
X STR *tmpstr = str_mortal(&str_undef);
X stab_fullname(tmpstr,((STAB*)str));/* a stab value, be nice */
X str = tmpstr;
X tmps = str->str_ptr;
X putc('*',fp);
X }
X if (str->str_cur && (fwrite(tmps,1,str->str_cur,fp) == 0 || ferror(fp)))
X return FALSE;
X }
X return TRUE;
X}
X
Xbool
Xdo_aprint(arg,fp,arglast)
Xregister ARG *arg;
Xregister FILE *fp;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register int retval;
X register int items = arglast[2] - sp;
X
X if (!fp) {
X if (dowarn)
X warn("print to unopened file");
X return FALSE;
X }
X st += ++sp;
X if (arg->arg_type == O_PRTF) {
X do_sprintf(arg->arg_ptr.arg_str,items,st);
X retval = do_print(arg->arg_ptr.arg_str,fp);
X }
X else {
X retval = (items <= 0);
X for (; items > 0; items--,st++) {
X if (retval && ofslen) {
X if (fwrite(ofs, 1, ofslen, fp) == 0 || ferror(fp)) {
X retval = FALSE;
X break;
X }
X }
X if (!(retval = do_print(*st, fp)))
X break;
X }
X if (retval && orslen)
X if (fwrite(ors, 1, orslen, fp) == 0 || ferror(fp))
X retval = FALSE;
X }
X return retval;
X}
X
Xint
Xmystat(arg,str)
XARG *arg;
XSTR *str;
X{
X STIO *stio;
X
X laststype = O_STAT;
X if (arg[1].arg_type & A_DONT) {
X stio = stab_io(arg[1].arg_ptr.arg_stab);
X if (stio && stio->ifp) {
X statstab = arg[1].arg_ptr.arg_stab;
X str_set(statname,"");
X return (laststatval = fstat(fileno(stio->ifp), &statcache));
X }
X else {
X if (arg[1].arg_ptr.arg_stab == defstab)
X return laststatval;
X if (dowarn)
X warn("Stat on unopened file <%s>",
X stab_name(arg[1].arg_ptr.arg_stab));
X statstab = Nullstab;
X str_set(statname,"");
X return (laststatval = -1);
X }
X }
X else {
X statstab = Nullstab;
X str_set(statname,str_get(str));
X return (laststatval = stat(str_get(str),&statcache));
X }
X}
X
Xint
Xmylstat(arg,str)
XARG *arg;
XSTR *str;
X{
X if (arg[1].arg_type & A_DONT) {
X if (arg[1].arg_ptr.arg_stab == defstab) {
X if (laststype != O_LSTAT)
X fatal("The stat preceding -l _ wasn't an lstat");
X return laststatval;
X }
X fatal("You can't use -l on a filehandle");
X }
X
X laststype = O_LSTAT;
X statstab = Nullstab;
X str_set(statname,str_get(str));
X#ifdef HAS_LSTAT
X return (laststatval = lstat(str_get(str),&statcache));
X#else
X return (laststatval = stat(str_get(str),&statcache));
X#endif
X}
X
XSTR *
Xdo_fttext(arg,str)
Xregister ARG *arg;
XSTR *str;
X{
X int i;
X int len;
X int odd = 0;
X STDCHAR tbuf[512];
X register STDCHAR *s;
X register STIO *stio;
X
X if (arg[1].arg_type & A_DONT) {
X if (arg[1].arg_ptr.arg_stab == defstab) {
X if (statstab)
X stio = stab_io(statstab);
X else {
X str = statname;
X goto really_filename;
X }
X }
X else {
X statstab = arg[1].arg_ptr.arg_stab;
X str_set(statname,"");
X stio = stab_io(statstab);
X }
X if (stio && stio->ifp) {
X#ifdef STDSTDIO
X fstat(fileno(stio->ifp),&statcache);
X if (stio->ifp->_cnt <= 0) {
X i = getc(stio->ifp);
X if (i != EOF)
X (void)ungetc(i,stio->ifp);
X }
X if (stio->ifp->_cnt <= 0) /* null file is anything */
X return &str_yes;
X len = stio->ifp->_cnt + (stio->ifp->_ptr - stio->ifp->_base);
X s = stio->ifp->_base;
X#else
X fatal("-T and -B not implemented on filehandles\n");
X#endif
X }
X else {
X if (dowarn)
X warn("Test on unopened file <%s>",
X stab_name(arg[1].arg_ptr.arg_stab));
X return &str_undef;
X }
X }
X else {
X statstab = Nullstab;
X str_set(statname,str_get(str));
X really_filename:
X i = open(str_get(str),0);
X if (i < 0)
X return &str_undef;
X fstat(i,&statcache);
X len = read(i,tbuf,512);
X (void)close(i);
X if (len <= 0) /* null file is anything */
X return &str_yes;
X s = tbuf;
X }
X
X /* now scan s to look for textiness */
X
X for (i = 0; i < len; i++,s++) {
X if (!*s) { /* null never allowed in text */
X odd += len;
X break;
X }
X else if (*s & 128)
X odd++;
X else if (*s < 32 &&
X *s != '\n' && *s != '\r' && *s != '\b' &&
X *s != '\t' && *s != '\f' && *s != 27)
X odd++;
X }
X
X if ((odd * 10 > len) == (arg->arg_type == O_FTTEXT)) /* allow 10% odd */
X return &str_no;
X else
X return &str_yes;
X}
X
Xbool
Xdo_aexec(really,arglast)
XSTR *really;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register int items = arglast[2] - sp;
X register char **a;
X char **argv;
X char *tmps;
X
X if (items) {
X New(401,argv, items+1, char*);
X a = argv;
X for (st += ++sp; items > 0; items--,st++) {
X if (*st)
X *a++ = str_get(*st);
X else
X *a++ = "";
X }
X *a = Nullch;
X#ifdef TAINT
X if (*argv[0] != '/') /* will execvp use PATH? */
X taintenv(); /* testing IFS here is overkill, probably */
X#endif
X if (really && *(tmps = str_get(really)))
X execvp(tmps,argv);
X else
X execvp(argv[0],argv);
X Safefree(argv);
X }
X return FALSE;
X}
X
Xstatic char **Argv = Null(char **);
Xstatic char *Cmd = Nullch;
X
Xvoid
Xdo_execfree()
X{
X if (Argv) {
X Safefree(Argv);
X Argv = Null(char **);
X }
X if (Cmd) {
X Safefree(Cmd);
X Cmd = Nullch;
X }
X}
X
Xbool
Xdo_exec(cmd)
Xchar *cmd;
X{
X register char **a;
X register char *s;
X char flags[10];
X
X#ifdef TAINT
X taintenv();
X taintproper("Insecure dependency in exec");
X#endif
X
X /* save an extra exec if possible */
X
X#ifdef CSH
X if (strnEQ(cmd,cshname,cshlen) && strnEQ(cmd+cshlen," -c",3)) {
X strcpy(flags,"-c");
X s = cmd+cshlen+3;
X if (*s == 'f') {
X s++;
X strcat(flags,"f");
X }
X if (*s == ' ')
X s++;
X if (*s++ == '\'') {
X char *ncmd = s;
X
X while (*s)
X s++;
X if (s[-1] == '\n')
X *--s = '\0';
X if (s[-1] == '\'') {
X *--s = '\0';
X execl(cshname,"csh", flags,ncmd,(char*)0);
X *s = '\'';
X return FALSE;
X }
X }
X }
X#endif /* CSH */
X
X /* see if there are shell metacharacters in it */
X
X for (s = cmd; *s && isalpha(*s); s++) ; /* catch VAR=val gizmo */
X if (*s == '=')
X goto doshell;
X for (s = cmd; *s; s++) {
X if (*s != ' ' && !isalpha(*s) && index("$&*(){}[]'\";\\|?<>~`\n",*s)) {
X if (*s == '\n' && !s[1]) {
X *s = '\0';
X break;
X }
X doshell:
X execl("/bin/sh","sh","-c",cmd,(char*)0);
X return FALSE;
X }
X }
X New(402,Argv, (s - cmd) / 2 + 2, char*);
X Cmd = nsavestr(cmd, s-cmd);
X a = Argv;
X for (s = Cmd; *s;) {
X while (*s && isspace(*s)) s++;
X if (*s)
X *(a++) = s;
X while (*s && !isspace(*s)) s++;
X if (*s)
X *s++ = '\0';
X }
X *a = Nullch;
X if (Argv[0]) {
X execvp(Argv[0],Argv);
X if (errno == ENOEXEC) { /* for system V NIH syndrome */
X do_execfree();
X goto doshell;
X }
X }
X do_execfree();
X return FALSE;
X}
X
X#ifdef HAS_SOCKET
Xint
Xdo_socket(stab, arglast)
XSTAB *stab;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register STIO *stio;
X int domain, type, protocol, fd;
X
X if (!stab)
X return FALSE;
X
X stio = stab_io(stab);
X if (!stio)
X stio = stab_io(stab) = stio_new();
X else if (stio->ifp)
X do_close(stab,FALSE);
X
X domain = (int)str_gnum(st[++sp]);
X type = (int)str_gnum(st[++sp]);
X protocol = (int)str_gnum(st[++sp]);
X#ifdef TAINT
X taintproper("Insecure dependency in socket");
X#endif
X fd = socket(domain,type,protocol);
X if (fd < 0)
X return FALSE;
X stio->ifp = fdopen(fd, "r"); /* stdio gets confused about sockets */
X stio->ofp = fdopen(fd, "w");
X stio->type = 's';
X if (!stio->ifp || !stio->ofp) {
X if (stio->ifp) fclose(stio->ifp);
X if (stio->ofp) fclose(stio->ofp);
X if (!stio->ifp && !stio->ofp) close(fd);
X return FALSE;
X }
X
X return TRUE;
X}
X
Xint
Xdo_bind(stab, arglast)
XSTAB *stab;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register STIO *stio;
X char *addr;
X
X if (!stab)
X goto nuts;
X
X stio = stab_io(stab);
X if (!stio || !stio->ifp)
X goto nuts;
X
X addr = str_get(st[++sp]);
X#ifdef TAINT
X taintproper("Insecure dependency in bind");
X#endif
X return bind(fileno(stio->ifp), addr, st[sp]->str_cur) >= 0;
X
Xnuts:
X if (dowarn)
X warn("bind() on closed fd");
X return FALSE;
X
X}
X
Xint
Xdo_connect(stab, arglast)
XSTAB *stab;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register STIO *stio;
X char *addr;
X
X if (!stab)
X goto nuts;
X
X stio = stab_io(stab);
X if (!stio || !stio->ifp)
X goto nuts;
X
X addr = str_get(st[++sp]);
X#ifdef TAINT
X taintproper("Insecure dependency in connect");
X#endif
X return connect(fileno(stio->ifp), addr, st[sp]->str_cur) >= 0;
X
Xnuts:
X if (dowarn)
X warn("connect() on closed fd");
X return FALSE;
X
X}
X
Xint
Xdo_listen(stab, arglast)
XSTAB *stab;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register STIO *stio;
X int backlog;
X
X if (!stab)
X goto nuts;
X
X stio = stab_io(stab);
X if (!stio || !stio->ifp)
X goto nuts;
X
X backlog = (int)str_gnum(st[++sp]);
X return listen(fileno(stio->ifp), backlog) >= 0;
X
Xnuts:
X if (dowarn)
X warn("listen() on closed fd");
X return FALSE;
X}
X
Xvoid
Xdo_accept(str, nstab, gstab)
XSTR *str;
XSTAB *nstab;
XSTAB *gstab;
X{
X register STIO *nstio;
X register STIO *gstio;
X int len = sizeof buf;
X int fd;
X
X if (!nstab)
X goto badexit;
X if (!gstab)
X goto nuts;
X
X gstio = stab_io(gstab);
X nstio = stab_io(nstab);
X
X if (!gstio || !gstio->ifp)
X goto nuts;
X if (!nstio)
X nstio = stab_io(nstab) = stio_new();
X else if (nstio->ifp)
X do_close(nstab,FALSE);
X
X fd = accept(fileno(gstio->ifp),buf,&len);
X if (fd < 0)
X goto badexit;
X nstio->ifp = fdopen(fd, "r");
X nstio->ofp = fdopen(fd, "w");
X nstio->type = 's';
X if (!nstio->ifp || !nstio->ofp) {
X if (nstio->ifp) fclose(nstio->ifp);
X if (nstio->ofp) fclose(nstio->ofp);
X if (!nstio->ifp && !nstio->ofp) close(fd);
X goto badexit;
X }
X
X str_nset(str, buf, len);
X return;
X
Xnuts:
X if (dowarn)
X warn("accept() on closed fd");
Xbadexit:
X str_sset(str,&str_undef);
X return;
X}
X
Xint
Xdo_shutdown(stab, arglast)
XSTAB *stab;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register STIO *stio;
X int how;
X
X if (!stab)
X goto nuts;
X
X stio = stab_io(stab);
X if (!stio || !stio->ifp)
X goto nuts;
X
X how = (int)str_gnum(st[++sp]);
X return shutdown(fileno(stio->ifp), how) >= 0;
X
Xnuts:
X if (dowarn)
X warn("shutdown() on closed fd");
X return FALSE;
X
X}
X
Xint
Xdo_sopt(optype, stab, arglast)
Xint optype;
XSTAB *stab;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register STIO *stio;
X int fd;
X int lvl;
X int optname;
X
X if (!stab)
X goto nuts;
X
X stio = stab_io(stab);
X if (!stio || !stio->ifp)
X goto nuts;
X
X fd = fileno(stio->ifp);
X lvl = (int)str_gnum(st[sp+1]);
X optname = (int)str_gnum(st[sp+2]);
X switch (optype) {
X case O_GSOCKOPT:
X st[sp] = str_2mortal(str_new(257));
X st[sp]->str_cur = 256;
X st[sp]->str_pok = 1;
X if (getsockopt(fd, lvl, optname, st[sp]->str_ptr, &st[sp]->str_cur) < 0)
X goto nuts;
X break;
X case O_SSOCKOPT:
X st[sp] = st[sp+3];
X if (setsockopt(fd, lvl, optname, st[sp]->str_ptr, st[sp]->str_cur) < 0)
X goto nuts;
X st[sp] = &str_yes;
X break;
X }
X
X return sp;
X
Xnuts:
X if (dowarn)
X warn("[gs]etsockopt() on closed fd");
X st[sp] = &str_undef;
X return sp;
X
X}
X
Xint
Xdo_getsockname(optype, stab, arglast)
Xint optype;
XSTAB *stab;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register STIO *stio;
X int fd;
X
X if (!stab)
X goto nuts;
X
X stio = stab_io(stab);
X if (!stio || !stio->ifp)
X goto nuts;
X
X st[sp] = str_2mortal(str_new(257));
X st[sp]->str_cur = 256;
X st[sp]->str_pok = 1;
X fd = fileno(stio->ifp);
X switch (optype) {
X case O_GETSOCKNAME:
X if (getsockname(fd, st[sp]->str_ptr, &st[sp]->str_cur) < 0)
X goto nuts2;
X break;
X case O_GETPEERNAME:
X if (getpeername(fd, st[sp]->str_ptr, &st[sp]->str_cur) < 0)
X goto nuts2;
X break;
X }
X
X return sp;
X
Xnuts:
X if (dowarn)
X warn("get{sock,peer}name() on closed fd");
Xnuts2:
X st[sp] = &str_undef;
X return sp;
X
X}
X
Xint
Xdo_ghent(which,gimme,arglast)
Xint which;
Xint gimme;
Xint *arglast;
X{
X register ARRAY *ary = stack;
X register int sp = arglast[0];
X register char **elem;
X register STR *str;
X struct hostent *gethostbyname();
X struct hostent *gethostbyaddr();
X#ifdef HAS_GETHOSTENT
X struct hostent *gethostent();
X#endif
X struct hostent *hent;
X unsigned long len;
X
X if (gimme != G_ARRAY) {
X astore(ary, ++sp, str_mortal(&str_undef));
X return sp;
X }
X
X if (which == O_GHBYNAME) {
X char *name = str_get(ary->ary_array[sp+1]);
X
X hent = gethostbyname(name);
X }
X else if (which == O_GHBYADDR) {
X STR *addrstr = ary->ary_array[sp+1];
X int addrtype = (int)str_gnum(ary->ary_array[sp+2]);
X char *addr = str_get(addrstr);
X
X hent = gethostbyaddr(addr,addrstr->str_cur,addrtype);
X }
X else
X#ifdef HAS_GETHOSTENT
X hent = gethostent();
X#else
X fatal("gethostent not implemented");
X#endif
X if (hent) {
X#ifndef lint
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, hent->h_name);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X for (elem = hent->h_aliases; *elem; elem++) {
X str_cat(str, *elem);
X if (elem[1])
X str_ncat(str," ",1);
X }
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_numset(str, (double)hent->h_addrtype);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X len = hent->h_length;
X str_numset(str, (double)len);
X#ifdef h_addr
X for (elem = hent->h_addr_list; *elem; elem++) {
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_nset(str, *elem, len);
X }
X#else
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_nset(str, hent->h_addr, len);
X#endif /* h_addr */
X#else /* lint */
X elem = Nullch;
X elem = elem;
X (void)astore(ary, ++sp, str_mortal(&str_no));
X#endif /* lint */
X }
X
X return sp;
X}
X
Xint
Xdo_gnent(which,gimme,arglast)
Xint which;
Xint gimme;
Xint *arglast;
X{
X register ARRAY *ary = stack;
X register int sp = arglast[0];
X register char **elem;
X register STR *str;
X struct netent *getnetbyname();
X struct netent *getnetbyaddr();
X struct netent *getnetent();
X struct netent *nent;
X
X if (gimme != G_ARRAY) {
X astore(ary, ++sp, str_mortal(&str_undef));
X return sp;
X }
X
X if (which == O_GNBYNAME) {
X char *name = str_get(ary->ary_array[sp+1]);
X
X nent = getnetbyname(name);
X }
X else if (which == O_GNBYADDR) {
X unsigned long addr = U_L(str_gnum(ary->ary_array[sp+1]));
X int addrtype = (int)str_gnum(ary->ary_array[sp+2]);
X
X nent = getnetbyaddr((long)addr,addrtype);
X }
X else
X nent = getnetent();
X
X if (nent) {
X#ifndef lint
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, nent->n_name);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X for (elem = nent->n_aliases; *elem; elem++) {
X str_cat(str, *elem);
X if (elem[1])
X str_ncat(str," ",1);
X }
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_numset(str, (double)nent->n_addrtype);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_numset(str, (double)nent->n_net);
X#else /* lint */
X elem = Nullch;
X elem = elem;
X (void)astore(ary, ++sp, str_mortal(&str_no));
X#endif /* lint */
X }
X
X return sp;
X}
X
Xint
Xdo_gpent(which,gimme,arglast)
Xint which;
Xint gimme;
Xint *arglast;
X{
X register ARRAY *ary = stack;
X register int sp = arglast[0];
X register char **elem;
X register STR *str;
X struct protoent *getprotobyname();
X struct protoent *getprotobynumber();
X struct protoent *getprotoent();
X struct protoent *pent;
X
X if (gimme != G_ARRAY) {
X astore(ary, ++sp, str_mortal(&str_undef));
X return sp;
X }
X
X if (which == O_GPBYNAME) {
X char *name = str_get(ary->ary_array[sp+1]);
X
X pent = getprotobyname(name);
X }
X else if (which == O_GPBYNUMBER) {
X int proto = (int)str_gnum(ary->ary_array[sp+1]);
X
X pent = getprotobynumber(proto);
X }
X else
X pent = getprotoent();
X
X if (pent) {
X#ifndef lint
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, pent->p_name);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X for (elem = pent->p_aliases; *elem; elem++) {
X str_cat(str, *elem);
X if (elem[1])
X str_ncat(str," ",1);
X }
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_numset(str, (double)pent->p_proto);
X#else /* lint */
X elem = Nullch;
X elem = elem;
X (void)astore(ary, ++sp, str_mortal(&str_no));
X#endif /* lint */
X }
X
X return sp;
X}
X
Xint
Xdo_gsent(which,gimme,arglast)
Xint which;
Xint gimme;
Xint *arglast;
X{
X register ARRAY *ary = stack;
X register int sp = arglast[0];
X register char **elem;
X register STR *str;
X struct servent *getservbyname();
X struct servent *getservbynumber();
X struct servent *getservent();
X struct servent *sent;
X
X if (gimme != G_ARRAY) {
X astore(ary, ++sp, str_mortal(&str_undef));
X return sp;
X }
X
X if (which == O_GSBYNAME) {
X char *name = str_get(ary->ary_array[sp+1]);
X char *proto = str_get(ary->ary_array[sp+2]);
X
X if (proto && !*proto)
X proto = Nullch;
X
X sent = getservbyname(name,proto);
X }
X else if (which == O_GSBYPORT) {
X int port = (int)str_gnum(ary->ary_array[sp+1]);
X char *proto = str_get(ary->ary_array[sp+2]);
X
X sent = getservbyport(port,proto);
X }
X else
X sent = getservent();
X if (sent) {
X#ifndef lint
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, sent->s_name);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X for (elem = sent->s_aliases; *elem; elem++) {
X str_cat(str, *elem);
X if (elem[1])
X str_ncat(str," ",1);
X }
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X#ifdef HAS_NTOHS
X str_numset(str, (double)ntohs(sent->s_port));
X#else
X str_numset(str, (double)(sent->s_port));
X#endif
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, sent->s_proto);
X#else /* lint */
X elem = Nullch;
X elem = elem;
X (void)astore(ary, ++sp, str_mortal(&str_no));
X#endif /* lint */
X }
X
X return sp;
X}
X
X#endif /* HAS_SOCKET */
X
X#ifdef HAS_SELECT
Xint
Xdo_select(gimme,arglast)
Xint gimme;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[0];
X register int i;
X register int j;
X register char *s;
X register STR *str;
X double value;
X int maxlen = 0;
X int nfound;
X struct timeval timebuf;
X struct timeval *tbuf = &timebuf;
X int growsize;
X#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
X int masksize;
X int offset;
X char *fd_sets[4];
X int k;
X
X#if BYTEORDER & 0xf0000
X#define ORDERBYTE (0x88888888 - BYTEORDER)
X#else
X#define ORDERBYTE (0x4444 - BYTEORDER)
X#endif
X
X#endif
X
X for (i = 1; i <= 3; i++) {
X j = st[sp+i]->str_cur;
X if (maxlen < j)
X maxlen = j;
X }
X
X#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
X growsize = maxlen; /* little endians can use vecs directly */
X#else
X#ifdef NFDBITS
X
X#ifndef NBBY
X#define NBBY 8
X#endif
X
X masksize = NFDBITS / NBBY;
X#else
X masksize = sizeof(long); /* documented int, everyone seems to use long */
X#endif
X growsize = maxlen + (masksize - (maxlen % masksize));
X Zero(&fd_sets[0], 4, char*);
X#endif
X
X for (i = 1; i <= 3; i++) {
X str = st[sp+i];
X j = str->str_len;
X if (j < growsize) {
X if (str->str_pok) {
X Str_Grow(str,growsize);
X s = str_get(str) + j;
X while (++j <= growsize) {
X *s++ = '\0';
X }
X }
X else if (str->str_ptr) {
X Safefree(str->str_ptr);
X str->str_ptr = Nullch;
X }
X }
X#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
X s = str->str_ptr;
X if (s) {
X New(403, fd_sets[i], growsize, char);
X for (offset = 0; offset < growsize; offset += masksize) {
X for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
X fd_sets[i][j+offset] = s[(k % masksize) + offset];
X }
X }
X#endif
X }
X str = st[sp+4];
X if (str->str_nok || str->str_pok) {
X value = str_gnum(str);
X if (value < 0.0)
X value = 0.0;
X timebuf.tv_sec = (long)value;
X value -= (double)timebuf.tv_sec;
X timebuf.tv_usec = (long)(value * 1000000.0);
X }
X else
X tbuf = Null(struct timeval*);
X
X#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
X nfound = select(
X maxlen * 8,
X st[sp+1]->str_ptr,
X st[sp+2]->str_ptr,
X st[sp+3]->str_ptr,
X tbuf);
X#else
X nfound = select(
X maxlen * 8,
X fd_sets[1],
X fd_sets[2],
X fd_sets[3],
X tbuf);
X for (i = 1; i <= 3; i++) {
X if (fd_sets[i]) {
X str = st[sp+i];
X s = str->str_ptr;
X for (offset = 0; offset < growsize; offset += masksize) {
X for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
X s[(k % masksize) + offset] = fd_sets[i][j+offset];
X }
X }
X }
X#endif
X
X st[++sp] = str_mortal(&str_no);
X str_numset(st[sp], (double)nfound);
X if (gimme == G_ARRAY && tbuf) {
X value = (double)(timebuf.tv_sec) +
X (double)(timebuf.tv_usec) / 1000000.0;
X st[++sp] = str_mortal(&str_no);
X str_numset(st[sp], value);
X }
X return sp;
X}
X#endif /* SELECT */
X
X#ifdef HAS_SOCKET
Xint
Xdo_spair(stab1, stab2, arglast)
XSTAB *stab1;
XSTAB *stab2;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[2];
X register STIO *stio1;
X register STIO *stio2;
X int domain, type, protocol, fd[2];
X
X if (!stab1 || !stab2)
X return FALSE;
X
X stio1 = stab_io(stab1);
X stio2 = stab_io(stab2);
X if (!stio1)
X stio1 = stab_io(stab1) = stio_new();
X else if (stio1->ifp)
X do_close(stab1,FALSE);
X if (!stio2)
X stio2 = stab_io(stab2) = stio_new();
X else if (stio2->ifp)
X do_close(stab2,FALSE);
X
X domain = (int)str_gnum(st[++sp]);
X type = (int)str_gnum(st[++sp]);
X protocol = (int)str_gnum(st[++sp]);
X#ifdef TAINT
X taintproper("Insecure dependency in socketpair");
X#endif
X#ifdef HAS_SOCKETPAIR
X if (socketpair(domain,type,protocol,fd) < 0)
X return FALSE;
X#else
X fatal("Socketpair unimplemented");
X#endif
X stio1->ifp = fdopen(fd[0], "r");
X stio1->ofp = fdopen(fd[0], "w");
X stio1->type = 's';
X stio2->ifp = fdopen(fd[1], "r");
X stio2->ofp = fdopen(fd[1], "w");
X stio2->type = 's';
X if (!stio1->ifp || !stio1->ofp || !stio2->ifp || !stio2->ofp) {
X if (stio1->ifp) fclose(stio1->ifp);
X if (stio1->ofp) fclose(stio1->ofp);
X if (!stio1->ifp && !stio1->ofp) close(fd[0]);
X if (stio2->ifp) fclose(stio2->ifp);
X if (stio2->ofp) fclose(stio2->ofp);
X if (!stio2->ifp && !stio2->ofp) close(fd[1]);
X return FALSE;
X }
X
X return TRUE;
X}
X
X#endif /* HAS_SOCKET */
X
Xint
Xdo_gpwent(which,gimme,arglast)
Xint which;
Xint gimme;
Xint *arglast;
X{
X#ifdef I_PWD
X register ARRAY *ary = stack;
X register int sp = arglast[0];
X register STR *str;
X struct passwd *getpwnam();
X struct passwd *getpwuid();
X struct passwd *getpwent();
X struct passwd *pwent;
X
X if (gimme != G_ARRAY) {
X astore(ary, ++sp, str_mortal(&str_undef));
X return sp;
X }
X
X if (which == O_GPWNAM) {
X char *name = str_get(ary->ary_array[sp+1]);
X
X pwent = getpwnam(name);
X }
X else if (which == O_GPWUID) {
X int uid = (int)str_gnum(ary->ary_array[sp+1]);
X
X pwent = getpwuid(uid);
X }
X else
X pwent = getpwent();
X
X if (pwent) {
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, pwent->pw_name);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, pwent->pw_passwd);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_numset(str, (double)pwent->pw_uid);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_numset(str, (double)pwent->pw_gid);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X#ifdef PWCHANGE
X str_numset(str, (double)pwent->pw_change);
X#else
X#ifdef PWQUOTA
X str_numset(str, (double)pwent->pw_quota);
X#else
X#ifdef PWAGE
X str_set(str, pwent->pw_age);
X#endif
X#endif
X#endif
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X#ifdef PWCLASS
X str_set(str,pwent->pw_class);
X#else
X#ifdef PWCOMMENT
X str_set(str, pwent->pw_comment);
X#endif
X#endif
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, pwent->pw_gecos);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, pwent->pw_dir);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, pwent->pw_shell);
X#ifdef PWEXPIRE
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_numset(str, (double)pwent->pw_expire);
X#endif
X }
X
X return sp;
X#else
X fatal("password routines not implemented");
X#endif
X}
X
Xint
Xdo_ggrent(which,gimme,arglast)
Xint which;
Xint gimme;
Xint *arglast;
X{
X#ifdef I_GRP
X register ARRAY *ary = stack;
X register int sp = arglast[0];
X register char **elem;
X register STR *str;
X struct group *getgrnam();
X struct group *getgrgid();
X struct group *getgrent();
X struct group *grent;
X
X if (gimme != G_ARRAY) {
X astore(ary, ++sp, str_mortal(&str_undef));
X return sp;
X }
X
X if (which == O_GGRNAM) {
X char *name = str_get(ary->ary_array[sp+1]);
X
X grent = getgrnam(name);
X }
X else if (which == O_GGRGID) {
X int gid = (int)str_gnum(ary->ary_array[sp+1]);
X
X grent = getgrgid(gid);
X }
X else
X grent = getgrent();
X
X if (grent) {
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, grent->gr_name);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_set(str, grent->gr_passwd);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X str_numset(str, (double)grent->gr_gid);
X (void)astore(ary, ++sp, str = str_mortal(&str_no));
X for (elem = grent->gr_mem; *elem; elem++) {
X str_cat(str, *elem);
X if (elem[1])
X str_ncat(str," ",1);
X }
X }
X
X return sp;
X#else
X fatal("group routines not implemented");
X#endif
X}
X
Xint
Xdo_dirop(optype,stab,gimme,arglast)
Xint optype;
XSTAB *stab;
Xint gimme;
Xint *arglast;
X{
X#if defined(DIRENT) && defined(HAS_READDIR)
X register ARRAY *ary = stack;
X register STR **st = ary->ary_array;
X register int sp = arglast[1];
X register STIO *stio;
X long along;
X#ifndef telldir
X long telldir();
X#endif
X struct DIRENT *readdir();
X register struct DIRENT *dp;
X
X if (!stab)
X goto nope;
X if (!(stio = stab_io(stab)))
X stio = stab_io(stab) = stio_new();
X if (!stio->dirp && optype != O_OPENDIR)
X goto nope;
X st[sp] = &str_yes;
X switch (optype) {
X case O_OPENDIR:
X if (stio->dirp)
X closedir(stio->dirp);
X if (!(stio->dirp = opendir(str_get(st[sp+1]))))
X goto nope;
X break;
X case O_READDIR:
X if (gimme == G_ARRAY) {
X --sp;
X while (dp = readdir(stio->dirp)) {
X#ifdef DIRNAMLEN
X (void)astore(ary,++sp,
X str_2mortal(str_make(dp->d_name,dp->d_namlen)));
X#else
X (void)astore(ary,++sp,
X str_2mortal(str_make(dp->d_name,0)));
X#endif
X }
X }
X else {
X if (!(dp = readdir(stio->dirp)))
X goto nope;
X st[sp] = str_mortal(&str_undef);
X#ifdef DIRNAMLEN
X str_nset(st[sp], dp->d_name, dp->d_namlen);
X#else
X str_set(st[sp], dp->d_name);
X#endif
X }
X break;
X#if MACH
X case O_TELLDIR:
X case O_SEEKDIR:
X goto nope;
X#else
X case O_TELLDIR:
X st[sp] = str_mortal(&str_undef);
X str_numset(st[sp], (double)telldir(stio->dirp));
X break;
X case O_SEEKDIR:
X st[sp] = str_mortal(&str_undef);
X along = (long)str_gnum(st[sp+1]);
X (void)seekdir(stio->dirp,along);
X break;
X#endif
X case O_REWINDDIR:
X st[sp] = str_mortal(&str_undef);
X (void)rewinddir(stio->dirp);
X break;
X case O_CLOSEDIR:
X st[sp] = str_mortal(&str_undef);
X (void)closedir(stio->dirp);
X stio->dirp = 0;
X break;
X }
X return sp;
X
Xnope:
X st[sp] = &str_undef;
X return sp;
X
X#else
X fatal("Unimplemented directory operation");
X#endif
X}
X
Xapply(type,arglast)
Xint type;
Xint *arglast;
X{
X register STR **st = stack->ary_array;
X register int sp = arglast[1];
X register int items = arglast[2] - sp;
X register int val;
X register int val2;
X register int tot = 0;
X char *s;
X
X#ifdef TAINT
X for (st += ++sp; items--; st++)
X tainted |= (*st)->str_tainted;
X st = stack->ary_array;
X sp = arglast[1];
X items = arglast[2] - sp;
X#endif
X switch (type) {
X case O_CHMOD:
X#ifdef TAINT
X taintproper("Insecure dependency in chmod");
X#endif
X if (--items > 0) {
X tot = items;
X val = (int)str_gnum(st[++sp]);
X while (items--) {
X if (chmod(str_get(st[++sp]),val))
X tot--;
X }
X }
X break;
X#ifdef HAS_CHOWN
X case O_CHOWN:
X#ifdef TAINT
X taintproper("Insecure dependency in chown");
X#endif
X if (items > 2) {
X items -= 2;
X tot = items;
X val = (int)str_gnum(st[++sp]);
X val2 = (int)str_gnum(st[++sp]);
X while (items--) {
X if (chown(str_get(st[++sp]),val,val2))
X tot--;
X }
X }
X break;
X#endif
X#ifdef HAS_KILL
X case O_KILL:
X#ifdef TAINT
X taintproper("Insecure dependency in kill");
X#endif
X if (--items > 0) {
X tot = items;
X s = str_get(st[++sp]);
X if (isupper(*s)) {
X if (*s == 'S' && s[1] == 'I' && s[2] == 'G')
X s += 3;
X if (!(val = whichsig(s)))
X fatal("Unrecognized signal name \"%s\"",s);
X }
X else
X val = (int)str_gnum(st[sp]);
X if (val < 0) {
X val = -val;
X while (items--) {
X int proc = (int)str_gnum(st[++sp]);
X#ifdef HAS_KILLPG
X if (killpg(proc,val)) /* BSD */
X#else
X if (kill(-proc,val)) /* SYSV */
X#endif
X tot--;
X }
!STUFFY!FUNK!
echo " "
echo "End of kit 3 (of 36)"
cat /dev/null >kit3isdone
run=''
config=''
for iskit in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36; do
if test -f kit${iskit}isdone; then
run="$run $iskit"
else
todo="$todo $iskit"
fi
done
case $todo in
'')
echo "You have run all your kits. Please read README and then type Configure."
for combo in *:AA; do
if test -f "$combo"; then
realfile=`basename $combo :AA`
cat $realfile:[A-Z][A-Z] >$realfile
rm -rf $realfile:[A-Z][A-Z]
fi
done
rm -rf kit*isdone
chmod 755 Configure
;;
*) echo "You have run$run."
echo "You still need to run$todo."
;;
esac
: Someone might mail this, so...
exit
exit 0 # Just in case...
--
Kent Landfield INTERNET: kent@sparky.IMD.Sterling.COM
Sterling Software, IMD UUCP: uunet!sparky!kent
Phone: (402) 291-8300 FAX: (402) 291-4362
Please send comp.sources.misc-related mail to kent@uunet.uu.net.