void truncate(char *fname)
{
#ifdef __TURBOC__
struct ftime Ftime;
#else
unsigned short date, time;
#endif
fd = open(fname, O_WRONLY);
#ifdef __TURBOC__ /* Save the time/date */
getftime(fd, &Ftime);
#else
GETFTIME(fd, (FTIME_T *)&date, (FTIME_T *)&time);
#endif
chsize(fd, 0L); /* Truncate the file */
#ifdef __TURBOC__ /* Restore the time/date */
setftime(fd, &Ftime);
#else
SETFTIME(fd, (FTIME_T)date, (FTIME_T)time);
#endif
close(fd);
}
/* ===========================================================================
* Set last updated and accessed time of file f to the DOS time d.
* This is called by dllzip.c to set date/time of the zipfile.
* RCV Removed __TURBOC__ version.
*f :: name of file to change.
d :: dos-style time to change it to.
*/
void stamp( char *f, ulg d ) {
int h; /* file handle */
if ( (h = open( f, O_RDWR | O_BINARY )) != -1 ) { //v1.55 mode changed, was 0
setftime( h, (struct ftime *)&d );
close( h );
}
}
arg_t _link(void)
{
inoptr ino;
inoptr ino2;
inoptr parent2;
char fname[FILENAME_LEN + 1];
if (!(ino = n_open(name1, NULLINOPTR)))
return (-1);
if (getmode(ino) == F_DIR && esuper())
goto nogood;
if (ino->c_node.i_nlink == 0xFFFF) {
udata.u_error = EMLINK;
goto nogood;
}
/* Make sure file2 doesn't exist, and get its parent */
if ((ino2 = n_open(name2, &parent2)) != NULL) {
i_deref(ino2);
i_deref(parent2);
udata.u_error = EEXIST;
goto nogood;
}
if (!parent2)
goto nogood;
if (ino->c_dev != parent2->c_dev) {
i_deref(parent2);
udata.u_error = EXDEV;
goto nogood;
}
filename(name2, fname);
if (!ch_link(parent2, "", fname, ino)) {
i_deref(parent2);
goto nogood;
}
/* Update the link count. */
++ino->c_node.i_nlink;
wr_inode(ino);
setftime(ino, C_TIME);
i_deref(parent2);
i_deref(ino);
return 0;
nogood:
i_deref(ino);
return -1;
}
static int chown_op(inoptr ino)
{
if (ino->c_node.i_uid != udata.u_euid && esuper()) {
i_deref(ino);
return (-1);
}
ino->c_node.i_uid = owner;
ino->c_node.i_gid = group;
setftime(ino, C_TIME);
return 0;
}
uint8_t write_core_image(void)
{
inoptr parent = NULLINODE;
inoptr ino;
udata.u_error = 0;
/* FIXME: need to think more about the case sp is lala */
if (uput("core", (uint8_t *)udata.u_syscall_sp - 5, 5))
return 0;
ino = n_open((char *)udata.u_syscall_sp - 5, &parent);
if (ino) {
i_deref(parent);
return 0;
}
if (parent) {
i_lock(parent);
if ((ino = newfile(parent, "core")) != NULL) {
ino->c_node.i_mode = F_REG | 0400;
setftime(ino, A_TIME | M_TIME | C_TIME);
wr_inode(ino);
f_trunc(ino);
#if 0
/* FIXME address ranges for different models - move core writer
for address spaces into helpers ? */
/* FIXME: need to add some arch specific header bits, and
also pull stuff like the true sp and registers out of
the return stack properly */
corehdr.ch_base = pagemap_base;
corehdr.ch_break = udata.u_break;
corehdr.ch_sp = udata.u_syscall_sp;
corehdr.ch_top = PROGTOP;
udata.u_offset = 0;
udata.u_base = (uint8_t *)&corehdr;
udata.u_sysio = true;
udata.u_count = sizeof(corehdr);
writei(ino, 0);
udata.u_sysio = false;
udata.u_base = (uint8_t *)pagemap_base;
udata.u_count = udata.u_break - pagemap_base;
writei(ino, 0);
udata.u_base = udata.u_sp;
udata.u_count = PROGTOP - (uint32_t)udata.u_sp;
writei(ino, 0);
#endif
i_unlock_deref(ino);
return W_COREDUMP;
}
}
return 0;
}
static int16_t chmod_op(inoptr ino)
{
if (ino->c_node.i_uid != udata.u_euid && esuper()) {
i_deref(ino);
return (-1);
}
ino->c_node.i_mode =
(mode & MODE_MASK) | (ino->c_node.i_mode & F_MASK);
setftime(ino, C_TIME);
return 0;
}
static int chown_op(inoptr ino)
{
if (ino->c_node.i_uid != udata.u_euid && esuper())
return (-1);
if (ino->c_flags & CRDONLY) {
udata.u_error = EROFS;
return -1;
}
ino->c_node.i_uid = owner;
ino->c_node.i_gid = group;
setftime(ino, C_TIME);
return 0;
}
uint8_t write_core_image(void)
{
inoptr parent = NULLINODE;
inoptr ino;
udata.u_error = 0;
/* FIXME: need to think more about the case sp is lala */
if (uput("core", udata.u_syscall_sp - 5, 5))
return 0;
ino = n_open(udata.u_syscall_sp - 5, &parent);
if (ino) {
i_deref(parent);
return 0;
}
if (parent) {
i_lock(parent);
if (ino = newfile(parent, "core")) {
ino->c_node.i_mode = F_REG | 0400;
setftime(ino, A_TIME | M_TIME | C_TIME);
wr_inode(ino);
f_trunc(ino);
/* FIXME: need to add some arch specific header bits, and
also pull stuff like the true sp and registers out of
the return stack properly */
corehdr.ch_base = MAPBASE;
corehdr.ch_break = udata.u_break;
corehdr.ch_sp = udata.u_syscall_sp;
corehdr.ch_top = PROGTOP;
udata.u_offset = 0;
udata.u_base = (uint8_t *)&corehdr;
udata.u_sysio = true;
udata.u_count = sizeof(corehdr);
writei(ino, 0);
udata.u_sysio = false;
udata.u_base = MAPBASE;
udata.u_count = udata.u_break - MAPBASE;
writei(ino, 0);
udata.u_base = udata.u_sp;
udata.u_count = PROGTOP - (uint16_t)udata.u_sp;
writei(ino, 0);
i_unlock_deref(ino);
return W_COREDUMP;
}
}
return 0;
}
static arg_t chmod_op(inoptr ino)
{
if (ino->c_node.i_uid != udata.u_euid && esuper())
return (-1);
if (ino->c_flags & CRDONLY) {
udata.u_error = EROFS;
return -1;
}
ino->c_node.i_mode =
(mode & MODE_MASK) | (ino->c_node.i_mode & F_MASK);
setftime(ino, C_TIME);
return 0;
}
int YMODEMCLASS::EndTransferBinaryFile(void)
{
struct tm *t ;
struct ftime ft ;
CommPutChar (oiConn, ACK) ;
if (hFile!=HFILE_ERROR)
{
if (moddate)
{
putenv ("TZ=GMT0GMT") ;
tzset() ;
t = localtime(&moddate) ;
ft.ft_tsec = t->tm_sec /2 ;
ft.ft_min = t->tm_min ;
ft.ft_hour = t->tm_hour ;
ft.ft_day = t->tm_mday ;
ft.ft_month= t->tm_mon +1 ;
ft.ft_year = t->tm_year-80 ;
setftime(hFile, &ft) ;
}
CloseHandle (hFile) ;
rvDataCount = 0 ;
waittimes = 0 ;
bSeq = bLastSeq =0 ;
dataBlock0 = TRUE ;
lErrorCount =0 ;
if (Status)
{
lpStatus->error = 0 ;
lpStatus->blocksize = 0 ;
lpStatus->blockno = 0 ;
lstrcpy(lpStatus->filename, "") ;
lpStatus->UpdateStatusWindow() ;
if (lpStatus->transferStop) return FT_LOCALCANCEL ;
}
fltr_state = SEND_INIT ;
}
else
{
if(Status)
DestroyWindow(lpStatus->hStatus) ;
}
return FT_SUCCESS;
}
int main(int argc, char *argv[])
{
int fd0, fd1;
#ifdef __TURBOC__
struct ftime Ftime;
#else
unsigned date, time;
#endif
if (3 > argc)
{
puts("Usage: SETIMETO old_filename new_filename");
return EXIT_FAILURE;
}
if (-1 == (fd0 = open(argv[1], O_RDONLY)))
{
printf("Unable to open %s\n", argv[1]);
return EXIT_FAILURE;
}
#ifdef __TURBOC__ /* Save the time/date */
getftime(fd0, &Ftime);
#else
GETFTIME(fd0, &date, &time);
#endif
if (-1 == (fd1 = open(argv[2], O_WRONLY)))
{
printf("Unable to open %s\n", argv[2]);
return EXIT_FAILURE;
}
#ifdef __TURBOC__ /* Set the time/date */
setftime(fd1, &Ftime);
#else
SETFTIME(fd1, date, time);
#endif
close(fd0);
close(fd1);
return EXIT_SUCCESS;
}
/* Helper for the bits shared with rename */
int16_t unlinki(inoptr ino, inoptr pino, char *fname)
{
if (getmode(ino) == F_DIR) {
udata.u_error = EISDIR;
return -1;
}
/* Remove the directory entry (ch_link checks perms) */
if (!ch_link(pino, fname, "", NULLINODE))
return -1;
/* Decrease the link count of the inode */
if (!(ino->c_node.i_nlink--)) {
ino->c_node.i_nlink += 2;
kprintf("_unlink: bad nlink\n");
}
setftime(ino, C_TIME);
return (0);
}
static int utime(char * path, struct utimbuf * times)
{
struct ftime ft;
struct tm * ftm;
int h, r;
ftm=localtime(×->modtime);
h=open(path,O_RDWR);
if (h==-1) return -1;
ft.ft_tsec=ftm->tm_sec/2;
ft.ft_min=ftm->tm_min;
ft.ft_hour=ftm->tm_hour;
ft.ft_day=ftm->tm_mday;
ft.ft_month=ftm->tm_mon;
ft.ft_year=ftm->tm_year-80;
r=setftime(h,&ft);
close(h);
return r;
}
static void SetDate(void)
{
struct ftime filet;
FILE *fp;
if ((fp = fopen ("playgame.exe","r+b")) == NULL)
{
errorbox("Cannot Find PLAYGAME.EXE"," (E)xit");
return;
}
filet.ft_tsec=00;
filet.ft_min=04;
filet.ft_hour=2;
filet.ft_day=11;
filet.ft_month=11;
filet.ft_year=11;
setftime(fileno(fp), &filet);
fclose(fp);
}
arg_t _mknod(void)
{
inoptr ino;
inoptr parent;
char fname[FILENAME_LEN + 1];
udata.u_error = 0;
if (!super() && ((mode & F_MASK) != F_PIPE)) {
udata.u_error = EPERM;
goto nogood3;
}
if ((ino = n_open(name, &parent)) != NULL) {
udata.u_error = EEXIST;
goto nogood;
}
if (!parent) {
udata.u_error = ENOENT;
return (-1);
}
filename(name, fname);
ino = newfile(parent, fname);
if(!ino)
goto nogood3; /* parent inode is derefed in newfile. SN */
/* Initialize mode and dev */
ino->c_node.i_mode = mode & ~udata.u_mask;
ino->c_node.i_addr[0] = isdevice(ino) ? dev : 0;
setftime(ino, A_TIME | M_TIME | C_TIME);
wr_inode(ino);
i_deref(ino);
return (0);
nogood:
i_deref(ino);
i_deref(parent);
nogood3:
return (-1);
}
void FName::SetFileTime(long t)
{
#ifdef WIN32
HANDLE f=CreateFile(Str,GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
if (f==INVALID_HANDLE_VALUE) return;
FILETIME ft;
DosDateTimeToFileTime(HIWORD(t),LOWORD(t),&ft);
::SetFileTime(f,NULL,NULL,&ft);
CloseHandle(f);
#else
int hand;
union Time {
ftime ft;
DWORD dw;
} ft;
ft.dw=t;
if ((hand=open(Str,O_RDONLY))<0) return;
setftime(hand,&ft.ft);
close(hand);
#endif
}
int16_t _utime(void)
{
inoptr ino;
time_t t[2];
if (!valaddr(buf, 2 * sizeof(time_t)))
return (-1);
if (!(ino = n_open(file, NULLINOPTR)))
return (-1);
if (ino->c_node.i_uid != udata.u_euid && esuper()) {
i_deref(ino);
return (-1);
}
uget(buf, t, 2 * sizeof(time_t));
/* FIXME: needs updating once we pack top bits
elsewhere in the inode */
ino->c_node.i_atime = t[0];
ino->c_node.i_mtime = t[1];
setftime(ino, C_TIME);
i_deref(ino);
return (0);
}
arg_t _utime(void)
{
inoptr ino;
time_t t[2];
if (!(ino = n_open(file, NULLINOPTR)))
return (-1);
if (ino->c_flags & CRDONLY) {
udata.u_error = EROFS;
goto out2;
}
/* Special case in the Unix API - NULL means now */
if (buf) {
if (ino->c_node.i_uid != udata.u_euid && esuper())
goto out;
if (!valaddr(buf, 2 * sizeof(time_t)))
goto out2;
uget(buf, t, 2 * sizeof(time_t));
} else {
if (!(getperm(ino) & OTH_WR))
goto out;
rdtime(&t[0]);
memcpy(&t[1], &t[0], sizeof(t[1]));
}
/* FIXME: needs updating once we pack top bits
elsewhere in the inode */
ino->c_node.i_atime = t[0].low;
ino->c_node.i_mtime = t[1].low;
setftime(ino, C_TIME);
i_deref(ino);
return (0);
out:
udata.u_error = EPERM;
out2:
i_deref(ino);
return -1;
}
void copydate(const char *srcfile, const char *dstfile) {
int srchandle=open(srcfile,O_RDONLY);
if(srchandle<0) {
fprintf(stderr,"%s: could not open %s\n",PROGNAME,srcfile);
exit(5);
}
struct ftime dt;
if(getftime(srchandle,&dt)) {
fprintf(stderr,"%s: could get date of %s\n",PROGNAME,srcfile);
exit(5);
}
close(srchandle);
int dsthandle=open(dstfile,O_RDONLY);
if(srchandle<0) {
fprintf(stderr,"%s: could not open %s\n",PROGNAME,dstfile);
exit(5);
}
if(setftime(dsthandle,&dt)) {
fprintf(stderr,"%s: could set date of %s\n",PROGNAME,dstfile);
exit(5);
}
close(dsthandle);
}
int
utime (char *filename, struct utimbuf *utb)
{
struct tm *tm;
struct ftime filetime;
time_t when;
int fd;
int status;
if (utb == 0)
when = time (0);
else
when = utb->modtime;
fd = _open (filename, O_RDWR);
if (fd == -1)
return -1;
tm = localtime (&when);
if (tm->tm_year < 80)
filetime.ft_year = 0;
else
filetime.ft_year = tm->tm_year - 80;
filetime.ft_month = tm->tm_mon + 1;
filetime.ft_day = tm->tm_mday;
if (tm->tm_hour < 0)
filetime.ft_hour = 0;
else
filetime.ft_hour = tm->tm_hour;
filetime.ft_min = tm->tm_min;
filetime.ft_tsec = tm->tm_sec / 2;
status = setftime (fd, &filetime);
_close (fd);
return status;
}
arg_t _execve(void)
{
/* We aren't re-entrant where this matters */
uint8_t hdr[16];
staticfast inoptr ino;
char **nargv; /* In user space */
char **nenvp; /* In user space */
struct s_argblk *abuf, *ebuf;
int argc;
uint16_t progptr;
uint16_t progload;
staticfast uint16_t top;
uint16_t bin_size; /* Will need to be bigger on some cpus */
uint16_t bss;
top = ramtop;
if (!(ino = n_open_lock(name, NULLINOPTR)))
return (-1);
if (!((getperm(ino) & OTH_EX) &&
(ino->c_node.i_mode & F_REG) &&
(ino->c_node.i_mode & (OWN_EX | OTH_EX | GRP_EX)))) {
udata.u_error = EACCES;
goto nogood;
}
setftime(ino, A_TIME);
udata.u_offset = 0;
udata.u_count = 16;
udata.u_base = hdr;
udata.u_sysio = true;
readi(ino, 0);
if (udata.u_done != 16) {
udata.u_error = ENOEXEC;
goto nogood;
}
if (!header_ok(hdr)) {
udata.u_error = ENOEXEC;
goto nogood2;
}
progload = hdr[7] << 8;
if (progload == 0)
progload = PROGLOAD;
top = *(uint16_t *)(hdr + 8);
if (top == 0) /* Legacy 'all space' binary */
top = ramtop;
else /* Requested an amount, so adjust for the base */
top += progload;
bss = *(uint16_t *)(hdr + 14);
/* Binary doesn't fit */
/* FIXME: review overflows */
bin_size = ino->c_node.i_size;
progptr = bin_size + 1024 + bss;
if (progload < PROGLOAD || top - progload < progptr || progptr < bin_size) {
udata.u_error = ENOMEM;
goto nogood2;
}
udata.u_ptab->p_status = P_NOSLEEP;
/* If we made pagemap_realloc keep hold of some defined area we
could in theory just move the arguments up or down as part of
the process - that would save us all this hassle but replace it
with new hassle */
/* Gather the arguments, and put them in temporary buffers. */
abuf = (struct s_argblk *) tmpbuf();
/* Put environment in another buffer. */
ebuf = (struct s_argblk *) tmpbuf();
/* Read args and environment from process memory */
if (rargs(argv, abuf) || rargs(envp, ebuf))
goto nogood3; /* SN */
/* This must be the last test as it makes changes if it works */
/* FIXME: once we sort out chmem we can make stack and data
two elements. We never allocate 'code' as there is no split I/D */
/* This is only safe from deadlocks providing pagemap_realloc doesn't
sleep */
if (pagemap_realloc(0, top - MAPBASE, 0))
goto nogood3;
/* From this point on we are commmited to the exec() completing */
/* Core dump and ptrace permission logic */
#ifdef CONFIG_LEVEL_2
/* Q: should uid == 0 mean we always allow core */
if ((!(getperm(ino) & OTH_RD)) ||
(ino->c_node.i_mode & (SET_UID | SET_GID)))
udata.u_flags |= U_FLAG_NOCORE;
else
udata.u_flags &= ~U_FLAG_NOCORE;
#endif
udata.u_top = top;
udata.u_ptab->p_top = top;
/* setuid, setgid if executable requires it */
if (ino->c_node.i_mode & SET_UID)
udata.u_euid = ino->c_node.i_uid;
if (ino->c_node.i_mode & SET_GID)
udata.u_egid = ino->c_node.i_gid;
/* FIXME: In the execve case we may on some platforms have space
below PROGLOAD to clear... */
/* We are definitely going to succeed with the exec,
* so we can start writing over the old program
*/
uput(hdr, (uint8_t *)progload, 16);
/* At this point, we are committed to reading in and
* executing the program. This call must not block. */
close_on_exec();
/*
* Read in the rest of the program, block by block. We rely upon
* the optimization path in readi to spot this is a big move to user
* space and move it directly.
*/
progptr = progload + 16;
if (bin_size > 16) {
bin_size -= 16;
udata.u_base = (uint8_t *)progptr; /* We copied the first block already */
udata.u_count = bin_size;
udata.u_sysio = false;
readi(ino, 0);
if (udata.u_done != bin_size)
goto nogood4;
progptr += bin_size;
}
/* Wipe the memory in the BSS. We don't wipe the memory above
that on 8bit boxes, but defer it to brk/sbrk() */
uzero((uint8_t *)progptr, bss);
/* Set initial break for program */
udata.u_break = (int)ALIGNUP(progptr + bss);
/* Turn off caught signals */
memset(udata.u_sigvec, 0, sizeof(udata.u_sigvec));
// place the arguments, environment and stack at the top of userspace memory,
// Write back the arguments and the environment
nargv = wargs(((char *) top - 2), abuf, &argc);
nenvp = wargs((char *) (nargv), ebuf, NULL);
// Fill in udata.u_name with program invocation name
uget((void *) ugetw(nargv), udata.u_name, 8);
memcpy(udata.u_ptab->p_name, udata.u_name, 8);
tmpfree(abuf);
tmpfree(ebuf);
i_deref(ino);
/* Shove argc and the address of argv just below envp
FIXME: should flip them in crt0.S of app for R2L setups
so we can get rid of the ifdefs */
#ifdef CONFIG_CALL_R2L /* Arguments are stacked the 'wrong' way around */
uputw((uint16_t) nargv, nenvp - 2);
uputw((uint16_t) argc, nenvp - 1);
#else
uputw((uint16_t) nargv, nenvp - 1);
uputw((uint16_t) argc, nenvp - 2);
#endif
/* Set stack pointer for the program */
udata.u_isp = nenvp - 2;
/* Start execution (never returns) */
udata.u_ptab->p_status = P_RUNNING;
doexec(progload);
/* tidy up in various failure modes */
nogood4:
/* Must not run userspace */
ssig(udata.u_ptab, SIGKILL);
nogood3:
udata.u_ptab->p_status = P_RUNNING;
tmpfree(abuf);
tmpfree(ebuf);
nogood2:
nogood:
i_unlock_deref(ino);
return (-1);
}
int scan(char *filename)
{
struct tifile *ff;
int handle;
longint fdrtotalbytes;
longint totalbytes;
longint databytes;
struct fdrstruc *fdr;
char name[14];
word oldsize;
struct ftime ftime;
byte type,len;
SAY printf("Scanning file %s\n",filename);
if (!openti(filename,&handle))
{
tierror(filename);
return 0;
}
ff=&tifiles[handle];
getftime(ff->doshandle,&ftime);
// Check FDR structure.
fdr=&ff->fdr;
type=fdr->flags;
len=fdr->reclen;
if (!validatename(fdr->name))
{
if (fix)
{
getname(fdr->name,name);
memcpy(fdr->name,name+2,10);
}
}
if (!(type&F_PROGRAM) && len==0)
{
printf("Invalid record length (0)\n");
if (fix)
{
if (fdr->recspersec==1)
len=255; // good guess for xxx/FIX
else
if (fdr->recspersec>1)
len=256/fdr->recspersec; // very approx
else
len=80; // pure guess
// For fixed files, we can tell what the record size is:
// * EOF offset is exact multiple
// * (256*secsused-EOF)/fixrecs is almost it
if (!(type&F_VARIABLE) && fdr->fixrecs)
{
len=(256L*(swapbytes(fdr->secsused)+1)-fdr->eof) /
fdr->fixrecs;
if (fdr->eof)
while (len%fdr->eof)
len--;
}
if (!len)
len=80;
printf("\tAssume %d bytes?\n",len);
if (getyesorno())
fdr->reclen=len;
}
}
fdrtotalbytes=tigetfilesize(handle);
totalbytes=tigetrealfilesize(handle);
if ((fdrtotalbytes+255)/256!=totalbytes/256)
{
printf("File size mismatch in %s\n",filename);
printf("TI Emulator! v5.0- probably made this error.\n");
if (fix)
{
if ((type&F_VARIABLE) && !(type&F_PROGRAM)) // xxx/VAR
{
fdr->fixrecs=totalbytes/256;
fdr->secsused=swapbytes(fdr->fixrecs);
}
else if (type&F_PROGRAM) // program
{
// On a program file, most likely the FDR is
// correct while the filesize is wrong. Sheesh!
//
if (fdrtotalbytes<totalbytes)
if (!ff->doad)
trunc(handle,swapbytes(fdr->secsused));
else ;
else
{
fdr->secsused=swapbytes(totalbytes/256);
fdr->eof=totalbytes&255;
}
}
else if (!(type&F_VARIABLE)) // xxx/FIX
{
// reclen is assumed to be legal from above
//
oldsize=fdr->secsused;
fdr->secsused=swapbytes(
(fdr->fixrecs+fdr->recspersec-1)/fdr->recspersec);
if (oldsize==fdr->secsused && !ff->doad)
trunc(handle,swapbytes(oldsize));
}
}
}
if (fix)
{
// printf("Fixing...\n");
if (!writetifdr(handle))
printf("Error! Couldn't write header!\n");
else
setftime(ff->doshandle,&ftime);
}
closeti(handle);
return 1;
}
void do_one_file(const char *iname, char *oname)
{
int r;
struct stat st;
memset(&st, 0, sizeof(st));
#if (HAVE_LSTAT)
r = lstat(iname, &st);
#else
r = stat(iname, &st);
#endif
if (r != 0)
{
if (errno == ENOENT)
throw FileNotFoundException(iname, errno);
else
throwIOException(iname, errno);
}
if (!(S_ISREG(st.st_mode)))
throwIOException("not a regular file -- skipped");
#if defined(__unix__)
// no special bits may be set
if ((st.st_mode & (S_ISUID | S_ISGID | S_ISVTX)) != 0)
throwIOException("file has special permissions -- skipped");
#endif
if (st.st_size <= 0)
throwIOException("empty file -- skipped");
if (st.st_size < 512)
throwIOException("file is too small -- skipped");
if (!mem_size_valid_bytes(st.st_size))
throwIOException("file is too large -- skipped");
if ((st.st_mode & S_IWUSR) == 0)
{
bool skip = true;
if (opt->output_name)
skip = false;
else if (opt->to_stdout)
skip = false;
else if (opt->backup)
skip = false;
if (skip)
throwIOException("file is write protected -- skipped");
}
InputFile fi;
fi.st = st;
fi.sopen(iname, O_RDONLY | O_BINARY, SH_DENYWR);
#if (USE_FTIME)
struct ftime fi_ftime;
memset(&fi_ftime, 0, sizeof(fi_ftime));
if (opt->preserve_timestamp)
{
if (getftime(fi.getFd(), &fi_ftime) != 0)
throwIOException("cannot determine file timestamp");
}
#endif
// open output file
OutputFile fo;
if (opt->cmd == CMD_COMPRESS || opt->cmd == CMD_DECOMPRESS)
{
if (opt->to_stdout)
{
if (!fo.openStdout(1, opt->force ? true : false))
throwIOException("data not written to a terminal; Use '-f' to force.");
}
else
{
char tname[ACC_FN_PATH_MAX+1];
if (opt->output_name)
strcpy(tname,opt->output_name);
else
{
if (!maketempname(tname, sizeof(tname), iname, ".upx"))
throwIOException("could not create a temporary file name");
}
if (opt->force >= 2)
{
#if (HAVE_CHMOD)
r = chmod(tname, 0777);
IGNORE_ERROR(r);
#endif
r = unlink(tname);
IGNORE_ERROR(r);
}
int flags = O_CREAT | O_WRONLY | O_BINARY;
if (opt->force)
flags |= O_TRUNC;
else
flags |= O_EXCL;
int shmode = SH_DENYWR;
#if defined(__MINT__)
flags |= O_TRUNC;
shmode = O_DENYRW;
#endif
// cannot rely on open() because of umask
//int omode = st.st_mode | 0600;
int omode = 0600;
if (!opt->preserve_mode)
omode = 0666;
fo.sopen(tname,flags,shmode,omode);
// open succeeded - now set oname[]
strcpy(oname,tname);
}
}
// handle command
PackMaster pm(&fi, opt);
if (opt->cmd == CMD_COMPRESS)
pm.pack(&fo);
else if (opt->cmd == CMD_DECOMPRESS)
pm.unpack(&fo);
else if (opt->cmd == CMD_TEST)
pm.test();
else if (opt->cmd == CMD_LIST)
pm.list();
else if (opt->cmd == CMD_FILEINFO)
pm.fileInfo();
else
throwInternalError("invalid command");
// copy time stamp
if (opt->preserve_timestamp && oname[0] && fo.isOpen())
{
#if (USE_FTIME)
r = setftime(fo.getFd(), &fi_ftime);
IGNORE_ERROR(r);
#elif (USE__FUTIME)
struct _utimbuf u;
u.actime = st.st_atime;
u.modtime = st.st_mtime;
r = _futime(fo.getFd(), &u);
IGNORE_ERROR(r);
#endif
}
// close files
fo.closex();
fi.closex();
// rename or delete files
if (oname[0] && !opt->output_name)
{
// FIXME: .exe or .cof etc.
if (!opt->backup)
{
#if (HAVE_CHMOD)
r = chmod(iname, 0777);
IGNORE_ERROR(r);
#endif
File::unlink(iname);
}
else
{
// make backup
char bakname[ACC_FN_PATH_MAX+1];
if (!makebakname(bakname, sizeof(bakname), iname))
throwIOException("could not create a backup file name");
File::rename(iname,bakname);
}
File::rename(oname,iname);
}
// copy file attributes
if (oname[0])
{
oname[0] = 0;
const char *name = opt->output_name ? opt->output_name : iname;
UNUSED(name);
#if (USE_UTIME)
// copy time stamp
if (opt->preserve_timestamp)
{
struct utimbuf u;
u.actime = st.st_atime;
u.modtime = st.st_mtime;
r = utime(name, &u);
IGNORE_ERROR(r);
}
#endif
#if (HAVE_CHMOD)
// copy permissions
if (opt->preserve_mode)
{
r = chmod(name, st.st_mode);
IGNORE_ERROR(r);
}
#endif
#if (HAVE_CHOWN)
// copy the ownership
if (opt->preserve_ownership)
{
r = chown(name, st.st_uid, st.st_gid);
IGNORE_ERROR(r);
}
#endif
}
UiPacker::uiConfirmUpdate();
}
bool ch_link(inoptr wd, char *oldname, char *newname, inoptr nindex)
{
struct direct curentry;
int i;
if(!(getperm(wd) & OTH_WR))
{
udata.u_error = EPERM;
return false;
}
/* Inserting a new blank entry ? */
if (!*newname && nindex != NULLINODE) {
udata.u_error = EEXIST;
return false;
}
/* Search the directory for the desired slot. */
udata.u_offset = 0;
for(;;)
{
udata.u_count = DIR_LEN;
udata.u_base =(char *)&curentry;
udata.u_sysio = true;
readi(wd, 0);
/* Read until EOF or name is found. readi() advances udata.u_offset */
if(udata.u_count == 0 || namecomp(oldname, curentry.d_name))
break;
}
if(udata.u_count == 0 && *oldname)
return false; /* Entry not found */
memcpy(curentry.d_name, newname, FILENAME_LEN);
// pad name with NULLs
for(i = 0; i < FILENAME_LEN; ++i)
if(curentry.d_name[i] == '\0')
break;
for(; i < FILENAME_LEN; ++i)
curentry.d_name[i] = '\0';
if(nindex)
curentry.d_ino = nindex->c_num;
else
curentry.d_ino = 0;
/* If an existing slot is being used, we must back up the file offset */
if(udata.u_count){
udata.u_offset -= DIR_LEN;
}
udata.u_count = DIR_LEN;
udata.u_base = (char*)&curentry;
udata.u_sysio = true;
writei(wd, 0);
if(udata.u_error)
return false;
setftime(wd, A_TIME|M_TIME|C_TIME); /* Sets c_dirty */
/* Update file length to next block */
if(wd->c_node.i_size & BLKMASK)
wd->c_node.i_size += BLKSIZE - (wd->c_node.i_size & BLKMASK);
return true; // success
}
static int inner_copy(
const char *src,
const char *dst,
int replaceOk)
{
int in = -1, out = -1; // file handles
int result = -1; // default to error
int bufsize = 0;
void *buf = NULL;
for(bufsize=0x4000; buf == NULL && bufsize >= 128; bufsize /= 2)
buf = malloc(bufsize);
if (buf==NULL) { /* no errors allowed here! */
static char dummy[4];
buf = dummy;
bufsize = 4;
}
in = open(src,O_RDONLY|O_BINARY);
if (in >= 0) {
out = open(dst, O_BINARY | O_CREAT | O_RDWR |
(replaceOk ? O_TRUNC : O_EXCL),
S_IREAD|S_IWRITE);
if (out >= 0) {
int lastwrite, nbytes;
while ((nbytes = read(in, buf, bufsize)) > 0) {
lastwrite = write(out, buf, nbytes);
if (lastwrite==-1) break;
}
if (lastwrite>=0) {
#ifdef _WIN32
struct _timeb ftime;
#else
struct ftime ftime;
#endif
getftime(in,&ftime);
setftime(out,&ftime);
result = 0;
} else mydir_errno = WRITE_ERROR;
close(out);
// put this here so if fail 'cause of existence,
// we don't remove the unreplaced file!
// also, the file must be closed to remove
if (result) remove(dst);
} else {
mydir_errno = DST_OPEN_ERROR;
switch(errno) {
case EEXIST: mydir_errno = DST_ALREADY_EXIST; break;
}
}
close(in);
} else {
mydir_errno = SRC_OPEN_ERROR;
switch(errno) {
case ENOENT: mydir_errno = SRC_NO_EXIST; break;
}
}
assert(buf);
if (bufsize != 4) free(buf);
return result;
}
arg_t _open(void)
{
int8_t uindex;
int8_t oftindex;
staticfast inoptr ino;
int16_t perm;
staticfast inoptr parent;
char fname[FILENAME_LEN + 1];
int trunc;
int r;
int w;
int j;
parent = NULLINODE;
trunc = flag & O_TRUNC;
r = (flag + 1) & 1;
w = (flag + 1) & 2;
if (O_ACCMODE(flag) == 3 || (flag & O_BADBITS)) {
udata.u_error = EINVAL;
return (-1);
}
if ((uindex = uf_alloc()) == -1)
return (-1);
if ((oftindex = oft_alloc()) == -1)
goto nooft;
ino = n_open(name, &parent);
if (ino) {
i_deref(parent);
/* O_EXCL test */
if ((flag & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) {
udata.u_error = EEXIST;
goto idrop;
}
} else {
/* The n_open failed */
if (udata.u_error == EFAULT)
goto cantopen;
/* New file */
if (!(flag & O_CREAT)) {
udata.u_error = ENOENT;
goto cantopen;
}
filename(name, fname);
/* newfile drops parent for us */
if (parent && (ino = newfile(parent, fname))) {
ino->c_node.i_mode =
(F_REG | (mode & MODE_MASK & ~udata.u_mask));
setftime(ino, A_TIME | M_TIME | C_TIME);
wr_inode(ino);
} else {
udata.u_error = ENFILE; /* FIXME, should be set in newfile
not bodged to a guessed code */
goto cantopen;
}
}
/* Book our slot in case we block opening a device */
of_tab[oftindex].o_inode = ino;
perm = getperm(ino);
if ((r && !(perm & OTH_RD)) || (w && !(perm & OTH_WR))) {
udata.u_error = EACCES;
goto cantopen;
}
if (w) {
if (getmode(ino) == F_DIR ) {
udata.u_error = EISDIR;
goto cantopen;
}
if (ino->c_flags & CRDONLY) {
udata.u_error = EROFS;
goto cantopen;
}
}
if (isdevice(ino)) {
inoptr *iptr = &of_tab[oftindex].o_inode;
/* d_open may block and thus ino may become invalid as may
parent (but we don't need it again). It may also be changed
by the call to dev_openi */
if (dev_openi(iptr, flag) != 0)
goto cantopen;
/* May have changed */
/* get the static pointer back in case it changed via dev
usage or just because we blocked */
ino = *iptr;
}
if (trunc && getmode(ino) == F_REG) {
if (f_trunc(ino))
goto idrop;
for (j = 0; j < OFTSIZE; ++j)
/* Arguably should fix at read/write */
if (of_tab[j].o_inode == ino)
of_tab[j].o_ptr = 0;
}
udata.u_files[uindex] = oftindex;
of_tab[oftindex].o_ptr = 0;
of_tab[oftindex].o_access = flag; /* Save the low bits only */
if (flag & O_CLOEXEC)
udata.u_cloexec |= (1 << oftindex);
/* FIXME: ATIME ? */
/*
* Sleep process if no writer or reader
*/
if (getmode(ino) == F_PIPE && of_tab[oftindex].o_refs == 1
&& !(flag & O_NDELAY))
psleep(ino);
/* From the moment of the psleep ino is invalid */
return (uindex);
idrop:
i_deref(ino);
cantopen:
oft_deref(oftindex); /* This will call i_deref() */
nooft:
udata.u_files[uindex] = NO_FILE;
return (-1);
}
int sbbs_t::exec_misc(csi_t* csi, char *path)
{
char str[512],tmp[512],buf[1025],ch,op,*p,**pp,**pp1,**pp2;
ushort w;
uint i=0,j;
long l,*lp=NULL,*lp1=NULL,*lp2=NULL;
void *vp;
struct dirent *de;
struct tm tm;
switch(*(csi->ip++)) {
case CS_VAR_INSTRUCTION:
switch(*(csi->ip++)) { /* sub-op-code stored as next byte */
case PRINT_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
if(!pp || !*pp) {
lp=getintvar(csi,*(long *)csi->ip);
if(lp)
bprintf("%ld",*lp); }
else
putmsg(cmdstr(*pp,path,csi->str,buf)
,P_SAVEATR|P_NOABORT|P_NOATCODES);
csi->ip+=4;
return(0);
case VAR_PRINTF:
case VAR_PRINTF_LOCAL:
op=*(csi->ip-1);
p=format_string(this, csi);
if(op==VAR_PRINTF)
putmsg(cmdstr(p,path,csi->str,buf),P_SAVEATR|P_NOABORT|P_NOATCODES);
else {
if(online==ON_LOCAL)
eprintf(LOG_INFO,"%s",cmdstr(p,path,csi->str,buf));
else
lputs(LOG_INFO,cmdstr(p,path,csi->str,buf));
}
free(p);
return(0);
case SHOW_VARS:
bprintf("shell str=(%08lX) %s\r\n"
,csi->str,csi->str);
for(i=0;i<csi->str_vars;i++)
bprintf("local str[%d]=(%08lX) (%08lX) %s\r\n"
,i,csi->str_var_name[i]
,csi->str_var[i]
,csi->str_var[i]);
for(i=0;i<csi->int_vars;i++)
bprintf("local int[%d]=(%08lX) (%08lX) %ld\r\n"
,i,csi->int_var_name[i]
,csi->int_var[i]
,csi->int_var[i]);
for(i=0;i<global_str_vars;i++)
bprintf("global str[%d]=(%08lX) (%08lX) %s\r\n"
,i,global_str_var_name[i]
,global_str_var[i]
,global_str_var[i]);
for(i=0;i<global_int_vars;i++)
bprintf("global int[%d]=(%08lX) (%08lX) %ld\r\n"
,i,global_int_var_name[i]
,global_int_var[i]
,global_int_var[i]);
return(0);
case DEFINE_STR_VAR:
if(getstrvar(csi,*(long *)csi->ip)) {
csi->ip+=4;
return(0); }
csi->str_vars++;
csi->str_var=(char **)realloc(csi->str_var
,sizeof(char *)*csi->str_vars);
csi->str_var_name=(long *)realloc(csi->str_var_name
,sizeof(long)*csi->str_vars);
if(csi->str_var==NULL
|| csi->str_var_name==NULL) { /* REALLOC failed */
errormsg(WHERE,ERR_ALLOC,"local str var"
,sizeof(char *)*csi->str_vars);
if(csi->str_var_name) {
free(csi->str_var_name);
csi->str_var_name=0; }
if(csi->str_var) {
free(csi->str_var);
csi->str_var=0; }
csi->str_vars=0; }
else {
csi->str_var_name[csi->str_vars-1]=*(long *)csi->ip;
csi->str_var[csi->str_vars-1]=0; }
csi->ip+=4; /* Skip variable name */
return(0);
case DEFINE_INT_VAR:
if(getintvar(csi,*(long *)csi->ip)) {
csi->ip+=4;
return(0); }
csi->int_vars++;
csi->int_var=(long *)realloc(csi->int_var
,sizeof(char *)*csi->int_vars);
csi->int_var_name=(long *)realloc(csi->int_var_name
,sizeof(long)*csi->int_vars);
if(csi->int_var==NULL
|| csi->int_var_name==NULL) { /* REALLOC failed */
errormsg(WHERE,ERR_ALLOC,"local int var"
,sizeof(char *)*csi->int_vars);
if(csi->int_var_name) {
free(csi->int_var_name);
csi->int_var_name=0; }
if(csi->int_var) {
free(csi->int_var);
csi->int_var=0; }
csi->int_vars=0; }
else {
csi->int_var_name[csi->int_vars-1]=*(long *)csi->ip;
csi->int_var[csi->int_vars-1]=0; }
csi->ip+=4; /* Skip variable name */
return(0);
case DEFINE_GLOBAL_STR_VAR:
if(getstrvar(csi,*(long *)csi->ip)) {
csi->ip+=4;
return(0); }
global_str_vars++;
global_str_var=(char **)realloc(global_str_var
,sizeof(char *)*global_str_vars);
global_str_var_name=(long *)realloc(global_str_var_name
,sizeof(long)*global_str_vars);
if(global_str_var==NULL
|| global_str_var_name==NULL) { /* REALLOC failed */
errormsg(WHERE,ERR_ALLOC,"global str var"
,sizeof(char *)*global_str_vars);
if(global_str_var_name) {
free(global_str_var_name);
global_str_var_name=0; }
if(global_str_var) {
free(global_str_var);
global_str_var=0; }
global_str_vars=0; }
else {
global_str_var_name[global_str_vars-1]=
*(long *)csi->ip;
global_str_var[global_str_vars-1]=0; }
csi->ip+=4; /* Skip variable name */
return(0);
case DEFINE_GLOBAL_INT_VAR:
if(getintvar(csi,*(long *)csi->ip)) {
csi->ip+=4;
return(0); }
global_int_vars++;
global_int_var=(long *)realloc(global_int_var
,sizeof(char *)*global_int_vars);
global_int_var_name=(long *)realloc(global_int_var_name
,sizeof(long)*global_int_vars);
if(global_int_var==NULL
|| global_int_var_name==NULL) { /* REALLOC failed */
errormsg(WHERE,ERR_ALLOC,"local int var"
,sizeof(char *)*global_int_vars);
if(global_int_var_name) {
free(global_int_var_name);
global_int_var_name=0; }
if(global_int_var) {
free(global_int_var);
global_int_var=0; }
global_int_vars=0; }
else {
global_int_var_name[global_int_vars-1]
=*(long *)csi->ip;
global_int_var[global_int_vars-1]=0; }
csi->ip+=4; /* Skip variable name */
return(0);
case SET_STR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
if(pp)
*pp=copystrvar(csi,*pp
,cmdstr((char *)csi->ip,path,csi->str,buf));
while(*(csi->ip++)); /* Find NULL */
return(0);
case SET_INT_VAR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
if(lp)
*lp=*(long *)csi->ip;
csi->ip+=4; /* Skip value */
return(0);
case COMPARE_STR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
if(pp && *pp)
csi->logic=stricmp(*pp
,cmdstr((char *)csi->ip,path,csi->str,buf));
else { /* Uninitialized str var */
if(*(csi->ip)==0) /* Blank static str */
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE; }
while(*(csi->ip++)); /* Find NULL */
return(0);
case STRSTR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
if(pp && *pp && strstr(*pp
,cmdstr((char *)csi->ip,path,csi->str,buf)))
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE;
while(*(csi->ip++)); /* Find NULL */
return(0);
case STRNCMP_VAR:
i=*csi->ip++;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
if(pp && *pp)
csi->logic=strnicmp(*pp
,cmdstr((char *)csi->ip,path,csi->str,buf),i);
else
csi->logic=LOGIC_FALSE;
while(*(csi->ip++)); /* Find NULL */
return(0);
case STRNCMP_VARS:
i=*csi->ip++;
pp1=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
pp2=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp1 && *pp1 && pp2 && *pp2)
csi->logic=strnicmp(*pp1,*pp2,i);
else
csi->logic=LOGIC_FALSE;
return(0);
case STRSTR_VARS:
pp1=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
pp2=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp1 && *pp1 && pp2 && *pp2 && strstr(*pp1,*pp2))
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE;
return(0);
case COMPARE_INT_VAR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
l=*(long *)csi->ip;
csi->ip+=4; /* Skip static value */
if(!lp) { /* Unknown variable */
csi->logic=LOGIC_FALSE;
return(0); }
if(*lp>l)
csi->logic=LOGIC_GREATER;
else if(*lp<l)
csi->logic=LOGIC_LESS;
else
csi->logic=LOGIC_EQUAL;
return(0);
case COMPARE_VARS:
lp1=lp2=0;
pp1=getstrvar(csi,*(long *)csi->ip);
if(!pp1)
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
pp2=getstrvar(csi,*(long *)csi->ip);
if(!pp2)
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
if(((!pp1 || !*pp1) && !lp1)
|| ((!pp2 || !*pp2) && !lp2)) {
if(pp1 && pp2) /* Both unitialized or blank */
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE;
return(0); }
if(pp1) { /* ASCII */
if(!pp2) {
ultoa(*lp2,tmp,10);
csi->logic=stricmp(*pp1,tmp); }
else
csi->logic=stricmp(*pp1,*pp2);
return(0); }
/* Binary */
if(!lp2) {
l=strtol(*pp2,0,0);
if(*lp1>l)
csi->logic=LOGIC_GREATER;
else if(*lp1<l)
csi->logic=LOGIC_LESS;
else
csi->logic=LOGIC_EQUAL;
return(0); }
if(*lp1>*lp2)
csi->logic=LOGIC_GREATER;
else if(*lp1<*lp2)
csi->logic=LOGIC_LESS;
else
csi->logic=LOGIC_EQUAL;
return(0);
case COPY_VAR:
lp1=lp2=0;
pp1=getstrvar(csi,*(long *)csi->ip);
if(!pp1)
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
pp2=getstrvar(csi,*(long *)csi->ip);
if(!pp2)
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
if((!pp1 && !lp1)
|| ((!pp2 || !*pp2) && !lp2)) {
csi->logic=LOGIC_FALSE;
return(0); }
csi->logic=LOGIC_TRUE;
if(pp1) { /* ASCII */
if(!pp2)
ultoa(*lp2,tmp,10);
else
strcpy(tmp,*pp2);
*pp1=copystrvar(csi,*pp1,tmp);
return(0); }
if(!lp2)
*lp1=strtol(*pp2,0,0);
else
*lp1=*lp2;
return(0);
case SWAP_VARS:
lp1=lp2=0;
pp1=getstrvar(csi,*(long *)csi->ip);
if(!pp1)
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
pp2=getstrvar(csi,*(long *)csi->ip);
if(!pp2)
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
if(((!pp1 || !*pp1) && !lp1)
|| ((!pp2 || !*pp2) && !lp2)) {
csi->logic=LOGIC_FALSE;
return(0); }
csi->logic=LOGIC_TRUE;
if(pp1) { /* ASCII */
if(!pp2) {
if(!strnicmp(*pp2,"0x",2)) {
l=strtol((*pp1)+2,0,16);
ultoa(*lp2,tmp,16); }
else {
l=atol(*pp1);
ultoa(*lp2,tmp,10); }
*pp1=copystrvar(csi,*pp1,tmp);
*lp2=l; }
else {
p=*pp1;
*pp1=*pp2;
*pp2=p; }
return(0); }
/* Binary */
if(!lp2) {
if(!strnicmp(*pp2,"0x",2)) {
l=strtol((*pp2)+2,0,16);
ultoa(*lp1,tmp,16); }
else {
l=atol(*pp2);
ultoa(*lp1,tmp,10); }
*pp2=copystrvar(csi,*pp2,tmp);
*lp1=l; }
else {
l=*lp1;
*lp1=*lp2;
*lp2=l; }
return(0);
case CAT_STR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
strcpy(tmp,(char *)csi->ip);
while(*(csi->ip++));
if(pp && *pp)
for(i=0;i<MAX_SYSVARS;i++)
if(*pp==sysvar_p[i])
break;
if(pp && *pp!=csi->str && i==MAX_SYSVARS) {
if(*pp)
*pp=(char *)realloc(*pp,strlen(*pp)+strlen(tmp)+1);
else
*pp=(char *)realloc(*pp,strlen(tmp)+1); }
if(pp && *pp)
strcat(*pp,tmp);
return(0);
case CAT_STR_VARS:
pp1=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip dest variable name */
pp2=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip source variable name */
/* Concatenate an int var to a str var (as char) */
if(pp2==NULL) {
lp=getintvar(csi,*(long *)(csi->ip-4));
if(lp==NULL) {
csi->logic=LOGIC_FALSE;
return(0);
}
pp=pp1;
tmp[0]=(uchar)*lp;
tmp[1]=0;
if(pp && *pp)
for(i=0;i<MAX_SYSVARS;i++)
if(*pp==sysvar_p[i])
break;
if(pp && *pp!=csi->str && i==MAX_SYSVARS) {
if(*pp)
*pp=(char *)realloc(*pp,strlen(*pp)+strlen(tmp)+1);
else
*pp=(char *)realloc(*pp,strlen(tmp)+1); }
if(pp && *pp)
strcat(*pp,tmp);
return(0);
}
if(!pp1 || !pp2 || !*pp2) {
csi->logic=LOGIC_FALSE;
return(0); }
csi->logic=LOGIC_TRUE;
if(*pp1)
for(i=0;i<MAX_SYSVARS;i++)
if(*pp1==sysvar_p[i])
break;
if(*pp1!=csi->str && (!*pp1 || i==MAX_SYSVARS)) {
if(*pp1)
*pp1=(char *)realloc(*pp1,strlen(*pp1)+strlen(*pp2)+1);
else
*pp1=(char *)realloc(*pp1,strlen(*pp2)+1); }
strcat(*pp1,*pp2);
return(0);
case FORMAT_STR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
p=format_string(this, csi);
cmdstr(p,path,csi->str,str);
if(pp)
*pp=copystrvar(csi,*pp,str);
free(p);
return(0);
case FORMAT_TIME_STR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
strcpy(str,(char *)csi->ip);
while(*(csi->ip++)); /* Find NULL */
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && lp) {
if(localtime_r((time_t *)lp,&tm)!=NULL) {
strftime(buf,128,str,&tm);
*pp=copystrvar(csi,*pp,buf);
}
}
return(0);
case TIME_STR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip str variable name */
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip int variable name */
if(pp && lp) {
strcpy(str,timestr((time_t *)lp));
*pp=copystrvar(csi,*pp,str); }
return(0);
case DATE_STR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip str variable name */
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip int variable name */
if(pp && lp) {
unixtodstr(&cfg,*lp,str);
*pp=copystrvar(csi,*pp,str); }
return(0);
case SECOND_STR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip str variable name */
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip int variable name */
if(pp && lp) {
sectostr(*lp,str);
*pp=copystrvar(csi,*pp,str); }
return(0);
case STRUPR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && *pp)
strupr(*pp);
return(0);
case STRLWR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && *pp)
strlwr(*pp);
return(0);
case TRUNCSP_STR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && *pp)
truncsp(*pp);
return(0);
case STRIP_CTRL_STR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && *pp)
strip_ctrl(*pp);
return(0);
case ADD_INT_VAR:
case SUB_INT_VAR:
case MUL_INT_VAR:
case DIV_INT_VAR:
case MOD_INT_VAR:
case AND_INT_VAR:
case OR_INT_VAR:
case NOT_INT_VAR:
case XOR_INT_VAR:
i=*(csi->ip-1);
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
l=*(long *)csi->ip;
csi->ip+=4;
if(!lp)
return(0);
switch(i) {
case ADD_INT_VAR:
*lp+=l;
break;
case SUB_INT_VAR:
*lp-=l;
break;
case MUL_INT_VAR:
*lp*=l;
break;
case DIV_INT_VAR:
*lp/=l;
break;
case MOD_INT_VAR:
*lp%=l;
break;
case AND_INT_VAR:
*lp&=l;
break;
case OR_INT_VAR:
*lp|=l;
break;
case NOT_INT_VAR:
*lp&=~l;
break;
case XOR_INT_VAR:
*lp^=l;
break; }
return(0);
case COMPARE_ANY_BITS:
case COMPARE_ALL_BITS:
i=*(csi->ip-1);
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
l=*(long *)csi->ip;
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(!lp)
return(0);
if(i==COMPARE_ANY_BITS) {
if(((*lp)&l)!=0)
csi->logic=LOGIC_TRUE;
} else {
if(((*lp)&l)==l)
csi->logic=LOGIC_TRUE;
}
return(0);
case ADD_INT_VARS:
case SUB_INT_VARS:
case MUL_INT_VARS:
case DIV_INT_VARS:
case MOD_INT_VARS:
case AND_INT_VARS:
case OR_INT_VARS:
case NOT_INT_VARS:
case XOR_INT_VARS:
i=*(csi->ip-1);
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
lp2=getintvar(csi,*(long *)csi->ip);
if(!lp2) {
pp=getstrvar(csi,*(long *)csi->ip);
if(!pp || !*pp)
return(0);
l=strtol(*pp,0,0); }
else
l=*lp2;
csi->ip+=4;
if(!lp1)
return(0);
switch(i) {
case ADD_INT_VARS:
*lp1+=l;
break;
case SUB_INT_VARS:
*lp1-=l;
break;
case MUL_INT_VARS:
*lp1*=l;
break;
case DIV_INT_VARS:
*lp1/=l;
break;
case MOD_INT_VARS:
*lp1%=l;
break;
case AND_INT_VARS:
*lp1&=l;
break;
case OR_INT_VARS:
*lp1|=l;
break;
case NOT_INT_VARS:
*lp1&=~l;
break;
case XOR_INT_VARS:
*lp1^=l;
break; }
return(0);
case RANDOM_INT_VAR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
l=*(long *)csi->ip;
csi->ip+=4;
if(lp)
*lp=sbbs_random(l);
return(0);
case TIME_INT_VAR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp)
*lp=time(NULL);
return(0);
case DATE_STR_TO_INT:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp && pp && *pp)
*lp=dstrtounix(&cfg,*pp);
return(0);
case STRLEN_INT_VAR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp) {
if(pp && *pp)
*lp=strlen(*pp);
else
*lp=0; }
return(0);
case CRC16_TO_INT:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp) {
if(pp && *pp)
*lp=crc16(*pp,0);
else
*lp=0; }
return(0);
case CRC32_TO_INT:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp) {
if(pp && *pp)
*lp=crc32(*pp,0);
else
*lp=0; }
return(0);
case CHKSUM_TO_INT:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp) {
*lp=0;
if(pp && *pp) {
i=0;
while(*((*pp)+i))
*lp+=(uchar)*((*pp)+(i++)); } }
return(0);
case FLENGTH_TO_INT:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp) {
if(pp && *pp)
*lp=flength(*pp);
else
*lp=0; }
return(0);
case FTIME_TO_INT:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp) {
if(pp && *pp)
*lp=fdate(*pp);
else
*lp=0; }
return(0);
case CHARVAL_TO_INT:
case COPY_FIRST_CHAR: // duplicate functionality - doh!
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp) {
if(pp && *pp)
*lp=**pp;
else
*lp=0; }
return(0);
case GETSTR_VAR:
case GETLINE_VAR:
case GETNAME_VAR:
case GETSTRUPR_VAR:
case GETSTR_MODE:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
i=*(csi->ip++);
csi->logic=LOGIC_FALSE;
switch(*(csi->ip-6)) {
case GETNAME_VAR:
getstr(buf,i,K_UPRLWR);
break;
case GETSTRUPR_VAR:
getstr(buf,i,K_UPPER);
break;
case GETLINE_VAR:
getstr(buf,i,K_LINE);
break;
case GETSTR_MODE:
l=*(long *)csi->ip;
csi->ip+=4;
if(l&K_EDIT) {
if(pp && *pp)
strcpy(buf,*pp);
else
buf[0]=0; }
getstr(buf,i,l);
break;
default:
getstr(buf,i,0); }
if(sys_status&SS_ABORT)
return(0);
if(pp) {
*pp=copystrvar(csi,*pp,buf);
csi->logic=LOGIC_TRUE; }
return(0);
case GETNUM_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
if(!pp)
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
i=*(short *)csi->ip;
csi->ip+=2;
csi->logic=LOGIC_FALSE;
l=getnum(i);
if(!pp && !lp)
return(0);
if(pp) {
if(l<=0)
str[0]=0;
else
ultoa(l,str,10);
*pp=copystrvar(csi,*pp,str);
csi->logic=LOGIC_TRUE;
return(0); }
if(lp) {
*lp=l;
csi->logic=LOGIC_TRUE; }
return(0);
case SHIFT_STR_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
i=*(csi->ip++);
if(!pp || !*pp)
return(0);
if(strlen(*pp)>=i)
memmove(*pp,*pp+i,strlen(*pp)+1);
return(0);
case SHIFT_TO_FIRST_CHAR:
case SHIFT_TO_LAST_CHAR:
i=*(csi->ip-1);
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
ch=*(csi->ip++);
csi->logic=LOGIC_FALSE;
if(!pp || !*pp)
return(0);
if(i==SHIFT_TO_FIRST_CHAR)
p=strchr(*pp,ch);
else /* _TO_LAST_CHAR */
p=strrchr(*pp,ch);
if(p==NULL)
return(0);
csi->logic=LOGIC_TRUE;
i=p-*pp;
if(i>0)
memmove(*pp,*pp+i,strlen(p)+1);
return(0);
case CHKFILE_VAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && *pp && fexistcase(cmdstr(*pp,path,csi->str,buf)))
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE;
return(0);
case PRINTFILE_VAR_MODE:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
i=*(short *)(csi->ip);
csi->ip+=2;
if(pp && *pp)
printfile(*pp,i);
return(0);
case PRINTTAIL_VAR_MODE:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
i=*(short *)(csi->ip);
csi->ip+=2;
j=*csi->ip;
csi->ip++;
if(pp && *pp)
printtail(*pp,j,i);
return(0);
case TELNET_GATE_VAR:
l=*(ulong *)(csi->ip); // Mode
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && *pp)
telnet_gate(*pp,l);
return(0);
case TELNET_GATE_STR:
l=*(ulong *)(csi->ip); // Mode
csi->ip+=4;
strcpy(str,(char *)csi->ip);
while(*(csi->ip++)); /* Find NULL */
telnet_gate(str,l);
return(0);
case COPY_CHAR:
pp=getstrvar(csi,*(long *)csi->ip);
if(pp==NULL)
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp==NULL && lp!=NULL)
*lp=csi->cmd;
else if(pp!=NULL) {
sprintf(tmp,"%c",csi->cmd);
*pp=copystrvar(csi,*pp,tmp);
}
return(0);
case COMPARE_FIRST_CHAR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
ch=*(csi->ip++); /* char const */
if(pp==NULL || *pp==NULL)
csi->logic=LOGIC_FALSE;
else {
if(**pp==ch)
csi->logic=LOGIC_EQUAL;
else if(**pp>ch)
csi->logic=LOGIC_GREATER;
else
csi->logic=LOGIC_LESS;
}
return(0);
case SEND_FILE_VIA:
case RECEIVE_FILE_VIA:
j=*(csi->ip-1);
ch=*(csi->ip++); /* Protocol */
cmdstr((char *)csi->ip,csi->str,csi->str,str);
while(*(csi->ip++)); /* Find NULL */
for(i=0;i<cfg.total_prots;i++)
if(cfg.prot[i]->mnemonic==ch && chk_ar(cfg.prot[i]->ar,&useron))
break;
csi->logic=LOGIC_FALSE;
if(i<cfg.total_prots)
if(protocol(cfg.prot[i],j==SEND_FILE_VIA ? XFER_DOWNLOAD : XFER_UPLOAD
,str,str,true)==0)
csi->logic=LOGIC_TRUE;
return(0);
case SEND_FILE_VIA_VAR:
case RECEIVE_FILE_VIA_VAR:
j=*(csi->ip-1);
ch=*(csi->ip++); /* Protocol */
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
for(i=0;i<cfg.total_prots;i++)
if(cfg.prot[i]->mnemonic==ch && chk_ar(cfg.prot[i]->ar,&useron))
break;
csi->logic=LOGIC_FALSE;
if(!pp || !(*pp))
return(0);
if(i<cfg.total_prots)
if(protocol(cfg.prot[i]
,j==SEND_FILE_VIA_VAR ? XFER_DOWNLOAD : XFER_UPLOAD
,*pp,*pp,true)==0)
csi->logic=LOGIC_TRUE;
return(0);
case MATCHUSER:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp) {
if(pp && *pp)
*lp=matchuser(&cfg, *pp, TRUE /*sysop_alias*/);
else
*lp=0;
}
return(0);
default:
errormsg(WHERE,ERR_CHK,"var sub-instruction",*(csi->ip-1));
return(0); }
case CS_FIO_FUNCTION:
switch(*(csi->ip++)) { /* sub-op-code stored as next byte */
case FIO_OPEN:
case FIO_OPEN_VAR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
w=*(ushort *)csi->ip;
csi->ip+=2;
csi->logic=LOGIC_FALSE;
if(*(csi->ip-7)==FIO_OPEN) {
cmdstr((char *)csi->ip,path,csi->str,str);
while(*(csi->ip++)); } /* skip filename */
else {
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(!pp || !*pp)
return(0);
strcpy(str,*pp); }
if(csi->files>=MAX_FOPENS)
return(0);
if(lp) {
/* Access flags are not cross-platform, so convert */
i=0;
if(w&0x001) i|=O_RDONLY;
if(w&0x002) i|=O_WRONLY;
if(w&0x004) i|=O_RDWR;
if(w&0x040) i|=O_DENYNONE;
if(w&0x100) i|=O_CREAT;
if(w&0x200) i|=O_TRUNC;
if(w&0x400) i|=O_EXCL;
if(w&0x800) i|=O_APPEND;
*lp=(long)fnopen((int *)&j,str,i);
if(*lp) {
for(i=0;i<csi->files;i++)
if(!csi->file[i])
break;
csi->file[i]=(FILE *)*lp;
if(i==csi->files)
csi->files++;
csi->logic=LOGIC_TRUE; } }
return(0);
case FIO_CLOSE:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp && *lp) {
csi->logic=fclose((FILE *)*lp);
for(i=0;i<csi->files;i++)
if(csi->file[i]==(FILE *)*lp)
csi->file[i]=0;
*lp=0;
}
else
csi->logic=LOGIC_FALSE;
return(0);
case FIO_FLUSH:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp && *lp)
csi->logic=fflush((FILE *)*lp);
else
csi->logic=LOGIC_FALSE;
return(0);
case FIO_READ:
case FIO_READ_VAR:
lp1=getintvar(csi,*(long *)csi->ip); /* Handle */
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
if(!pp)
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(*(csi->ip-9)==FIO_READ) {
i=*(short *)csi->ip;
csi->ip+=2; /* Length */ }
else { /* FIO_READ_VAR */
vp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(!vp)
return(0);
i=*(short *)vp; }
if(i>sizeof(buf)-1)
i=sizeof(buf)-1;
if(!lp1 || !(*lp1) || (!pp && !lp2))
return(0);
if(pp) {
if(i<1) {
if(*pp && **pp)
i=strlen(*pp);
else
i=128; }
if((j=fread(buf,1,i,(FILE *)*lp1))==i)
csi->logic=LOGIC_TRUE;
buf[j]=0;
if(csi->etx) {
p=strchr(buf,csi->etx);
if(p) *p=0; }
*pp=copystrvar(csi,*pp,buf); }
else {
*lp2=0;
if(i>4 || i<1) i=4;
if(fread(lp2,1,i,(FILE *)*lp1)==i)
csi->logic=LOGIC_TRUE; }
return(0);
case FIO_READ_LINE:
lp1=getintvar(csi,*(long *)csi->ip); /* Handle */
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
if(!pp)
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(!lp1 || !(*lp1) || feof((FILE *)*lp1) || (!pp && !lp2))
return(0);
csi->logic=LOGIC_TRUE;
for(i=0;i<sizeof(buf)-1;i++) {
if(!fread(buf+i,1,1,(FILE *)*lp1))
break;
if(*(buf+i)==LF) {
i++;
break; } }
buf[i]=0;
if(csi->etx) {
p=strchr(buf,csi->etx);
if(p) *p=0; }
if(pp)
*pp=copystrvar(csi,*pp,buf);
else
*lp2=strtol(buf,0,0);
return(0);
case FIO_WRITE:
case FIO_WRITE_VAR:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
if(!pp)
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(*(csi->ip-9)==FIO_WRITE) {
i=*(short *)csi->ip;
csi->ip+=2; /* Length */ }
else { /* FIO_WRITE_VAR */
vp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(!vp)
return(0);
i=*(short *)vp; }
if(i>sizeof(buf)-1)
i=sizeof(buf)-1;
if(!lp1 || !(*lp1) || (!pp && !lp2) || (pp && !*pp))
return(0);
if(pp) {
j=strlen(*pp);
if(i<1) i=j;
if(j>i) j=i;
if(fwrite(*pp,1,j,(FILE *)*lp1)!=j)
csi->logic=LOGIC_FALSE;
else {
if(j<i) {
memset(buf,csi->etx,i-j);
fwrite(buf,1,i-j,(FILE *)*lp1);
}
csi->logic=LOGIC_TRUE;
}
} else {
if(i<1 || i>4) i=4;
if(fwrite(lp2,1,i,(FILE *)*lp1)==i)
csi->logic=LOGIC_TRUE; }
return(0);
case FIO_GET_LENGTH:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp1 && *lp1 && lp2)
*lp2=filelength(fileno((FILE *)*lp1));
return(0);
case FIO_GET_TIME:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp1 && *lp1 && lp2)
*lp2=filetime(fileno((FILE *)*lp1));
return(0);
case FIO_SET_TIME:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
#if 0 /* ftime */
if(lp1 && *lp1 && lp2) {
ft=unixtoftime(*lp2);
setftime(fileno((FILE *)*lp1),&ft); }
#endif
return(0);
case FIO_EOF:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(lp && *lp)
if(ftell((FILE *)*lp)>=filelength(fileno((FILE *)*lp)))
csi->logic=LOGIC_TRUE;
return(0);
case FIO_GET_POS:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp1 && *lp1 && lp2)
*lp2=ftell((FILE *)*lp1);
return(0);
case FIO_SEEK:
case FIO_SEEK_VAR:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(*(csi->ip-5)==FIO_SEEK) {
l=*(long *)csi->ip;
csi->ip+=4; }
else {
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(!lp2) {
csi->ip+=2;
return(0); }
l=*lp2; }
i=*(short *)csi->ip;
csi->ip+=2;
if(lp1 && *lp1)
if(fseek((FILE *)*lp1,l,i)!=-1)
csi->logic=LOGIC_TRUE;
return(0);
case FIO_LOCK:
case FIO_LOCK_VAR:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(*(csi->ip-5)==FIO_LOCK) {
l=*(long *)csi->ip;
csi->ip+=4;
} else {
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(!lp2)
return(0);
l=*lp2;
}
if(lp1 && *lp1) {
fflush((FILE *)*lp1);
csi->logic=!lock(fileno((FILE *)*lp1),ftell((FILE*)*lp1),l);
}
return(0);
case FIO_UNLOCK:
case FIO_UNLOCK_VAR:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(*(csi->ip-5)==FIO_UNLOCK) {
l=*(long *)csi->ip;
csi->ip+=4;
} else {
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(!lp2)
return(0);
l=*lp2;
}
if(lp1 && *lp1) {
fflush((FILE *)*lp1);
csi->logic=!unlock(fileno((FILE *)*lp1),ftell((FILE*)*lp1),l);
}
return(0);
case FIO_SET_LENGTH:
case FIO_SET_LENGTH_VAR:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(*(csi->ip-5)==FIO_SET_LENGTH) {
l=*(long *)csi->ip;
csi->ip+=4;
} else {
lp2=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(!lp2)
return(0);
l=*lp2; }
if(lp1 && *lp1)
csi->logic=chsize(fileno((FILE *)*lp1),l);
return(0);
case FIO_PRINTF:
lp1=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
p=format_string(this, csi);
if(lp1 && *lp1) {
cmdstr(p,path,csi->str,str);
fwrite(str,1,strlen(str),(FILE *)*lp1);
}
free(p);
return(0);
case FIO_SET_ETX:
csi->etx=*(csi->ip++);
return(0);
case REMOVE_FILE:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && *pp && remove(*pp)==0)
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE;
return(0);
case RENAME_FILE:
case COPY_FILE:
case MOVE_FILE:
pp1=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4; /* Skip variable name */
pp2=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp1 && *pp1 && pp2 && *pp2)
switch(*(csi->ip-9)) {
case RENAME_FILE:
csi->logic=rename(*pp1,*pp2);
break;
case COPY_FILE:
csi->logic=mv(*pp1,*pp2,1);
break;
case MOVE_FILE:
csi->logic=mv(*pp1,*pp2,0);
break; }
else
csi->logic=LOGIC_FALSE;
return(0);
case GET_FILE_ATTRIB:
case SET_FILE_ATTRIB:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && *pp && lp) {
if(*(csi->ip-9)==GET_FILE_ATTRIB)
*lp=getfattr(*pp);
else
*lp=CHMOD(*pp,(int)*lp);
}
return(0);
case MAKE_DIR:
case REMOVE_DIR:
case CHANGE_DIR:
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(pp && *pp)
switch(*(csi->ip-5)) {
case MAKE_DIR:
csi->logic=MKDIR(*pp);
break;
case REMOVE_DIR:
csi->logic=rmdir(*pp);
break;
case CHANGE_DIR:
csi->logic=chdir(*pp);
break; }
else
csi->logic=LOGIC_FALSE;
return(0);
case OPEN_DIR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(pp && *pp && lp) {
*lp=(long)opendir((char *)*pp);
if(*lp)
csi->logic=LOGIC_TRUE; }
return(0);
case READ_DIR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
pp=getstrvar(csi,*(long *)csi->ip);
csi->ip+=4;
csi->logic=LOGIC_FALSE;
if(pp && lp) {
de=readdir((DIR *)(*lp));
if(de!=NULL) {
csi->logic=LOGIC_TRUE;
*pp=copystrvar(csi,*pp,de->d_name); } }
return(0);
case REWIND_DIR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp) {
rewinddir((DIR *)(*lp));
csi->logic=LOGIC_TRUE; }
else
csi->logic=LOGIC_FALSE;
return(0);
case CLOSE_DIR:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(lp && closedir((DIR *)(*lp))==0)
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE;
return(0);
default:
errormsg(WHERE,ERR_CHK,"fio sub-instruction",*(csi->ip-1));
return(0); }
case CS_NET_FUNCTION:
return(exec_net(csi));
case CS_SWITCH:
lp=getintvar(csi,*(long *)csi->ip);
csi->ip+=4;
if(!lp) {
skipto(csi,CS_END_SWITCH);
csi->ip++; }
else {
csi->misc|=CS_IN_SWITCH;
csi->switch_val=*lp; }
return(0);
case CS_CASE:
l=*(long *)csi->ip;
csi->ip+=4;
if(csi->misc&CS_IN_SWITCH && csi->switch_val!=l)
skipto(csi,CS_NEXTCASE);
else
csi->misc&=~CS_IN_SWITCH;
return(0);
case CS_COMPARE_ARS:
i=*(csi->ip++); /* Length of ARS stored as byte before ARS */
csi->logic=!chk_ar(csi->ip,&useron);
csi->ip+=i;
return(0);
case CS_TOGGLE_USER_MISC:
useron.misc^=*(ulong *)csi->ip;
putuserrec(&cfg,useron.number,U_MISC,8,ultoa(useron.misc,tmp,16));
csi->ip+=4;
return(0);
case CS_COMPARE_USER_MISC:
if((useron.misc&*(ulong *)csi->ip)==*(ulong *)csi->ip)
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE;
csi->ip+=4;
return(0);
case CS_TOGGLE_USER_CHAT:
useron.chat^=*(ulong *)csi->ip;
putuserrec(&cfg,useron.number,U_CHAT,8,ultoa(useron.chat,tmp,16));
csi->ip+=4;
return(0);
case CS_COMPARE_USER_CHAT:
if((useron.chat&*(ulong *)csi->ip)==*(ulong *)csi->ip)
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE;
csi->ip+=4;
return(0);
case CS_TOGGLE_USER_QWK:
useron.qwk^=*(ulong *)csi->ip;
putuserrec(&cfg,useron.number,U_QWK,8,ultoa(useron.qwk,tmp,16));
csi->ip+=4;
return(0);
case CS_COMPARE_USER_QWK:
if((useron.qwk&*(ulong *)csi->ip)==*(ulong *)csi->ip)
csi->logic=LOGIC_TRUE;
else
csi->logic=LOGIC_FALSE;
csi->ip+=4;
return(0);
case CS_REPLACE_TEXT:
i=*(ushort *)csi->ip;
csi->ip+=2;
i--;
if(i>=TOTAL_TEXT) {
errormsg(WHERE,ERR_CHK,"replace text #",i);
while(*(csi->ip++)); /* Find NULL */
return(0); }
if(text[i]!=text_sav[i] && text[i]!=nulstr)
free(text[i]);
j=strlen(cmdstr((char *)csi->ip,path,csi->str,buf));
if(!j)
text[i]=nulstr;
else
text[i]=(char *)malloc(j+1);
if(!text[i]) {
errormsg(WHERE,ERR_ALLOC,"replacement text",j);
while(*(csi->ip++)); /* Find NULL */
text[i]=text_sav[i];
return(0); }
if(j)
strcpy(text[i],buf);
while(*(csi->ip++)); /* Find NULL */
return(0);
case CS_USE_INT_VAR: // Self-modifying code!
pp=getstrvar(csi,*(long *)csi->ip);
if(pp && *pp)
l=strtol(*pp,0,0);
else {
lp=getintvar(csi,*(long *)csi->ip);
if(lp)
l=*lp;
else
l=0; }
csi->ip+=4; // Variable
i=*(csi->ip++); // Offset
if(i<1 || csi->ip+1+i>=csi->cs+csi->length) {
errormsg(WHERE,ERR_CHK,"offset",i);
csi->ip++;
return(0); }
switch(*(csi->ip++)) { // Length
case sizeof(char):
*(csi->ip+i)=(char)l;
break;
case sizeof(short):
*((short *)(csi->ip+i))=(short)l;
break;
case sizeof(long):
*((long *)(csi->ip+i))=l;
break;
default:
errormsg(WHERE,ERR_CHK,"length",*(csi->ip-1));
break; }
return(0);
default:
errormsg(WHERE,ERR_CHK,"shell instruction",*(csi->ip-1));
return(0); }
}
arg_t _execve(void)
{
/* Not ideal on stack */
struct binfmt_flat binflat;
inoptr ino;
char **nargv; /* In user space */
char **nenvp; /* In user space */
struct s_argblk *abuf, *ebuf;
int argc;
uint32_t bin_size; /* Will need to be bigger on some cpus */
uaddr_t progbase, top;
uaddr_t go;
uint32_t true_brk;
if (!(ino = n_open_lock(name, NULLINOPTR)))
return (-1);
if (!((getperm(ino) & OTH_EX) &&
(ino->c_node.i_mode & F_REG) &&
(ino->c_node.i_mode & (OWN_EX | OTH_EX | GRP_EX)))) {
udata.u_error = EACCES;
goto nogood;
}
setftime(ino, A_TIME);
udata.u_offset = 0;
udata.u_count = sizeof(struct binfmt_flat);
udata.u_base = (void *)&binflat;
udata.u_sysio = true;
readi(ino, 0);
if (udata.u_done != sizeof(struct binfmt_flat)) {
udata.u_error = ENOEXEC;
goto nogood;
}
/* FIXME: ugly - save this as valid_hdr modifies it */
true_brk = binflat.bss_end;
/* Hard coded for our 68K format. We don't quite use the ucLinux
names, we don't want to load a ucLinux binary in error! */
if (memcmp(binflat.magic, "bFLT", 4) || !valid_hdr(ino, &binflat)) {
udata.u_error = ENOEXEC;
goto nogood2;
}
/* Memory needed */
bin_size = binflat.bss_end + binflat.stack_size;
/* Overflow ? */
if (bin_size < binflat.bss_end) {
udata.u_error = ENOEXEC;
goto nogood2;
}
/* Gather the arguments, and put them in temporary buffers. */
abuf = (struct s_argblk *) tmpbuf();
/* Put environment in another buffer. */
ebuf = (struct s_argblk *) tmpbuf();
/* Read args and environment from process memory */
if (rargs(argv, abuf) || rargs(envp, ebuf))
goto nogood3;
/* This must be the last test as it makes changes if it works */
/* FIXME: need to update this to support split code/data and to fix
stack handling nicely */
/* FIXME: ENOMEM fix needs to go to 16bit ? */
if ((udata.u_error = pagemap_realloc(0, bin_size, 0)) != 0)
goto nogood3;
/* Core dump and ptrace permission logic */
#ifdef CONFIG_LEVEL_2
/* Q: should uid == 0 mean we always allow core */
if ((!(getperm(ino) & OTH_RD)) ||
(ino->c_node.i_mode & (SET_UID | SET_GID)))
udata.u_flags |= U_FLAG_NOCORE;
else
udata.u_flags &= ~U_FLAG_NOCORE;
#endif
udata.u_codebase = progbase = pagemap_base();
/* From this point on we are commmited to the exec() completing
so we can start writing over the old program */
uput(&binflat, (uint8_t *)progbase, sizeof(struct binfmt_flat));
/* setuid, setgid if executable requires it */
if (ino->c_node.i_mode & SET_UID)
udata.u_euid = ino->c_node.i_uid;
if (ino->c_node.i_mode & SET_GID)
udata.u_egid = ino->c_node.i_gid;
top = progbase + bin_size;
udata.u_top = top;
udata.u_ptab->p_top = top;
// kprintf("user space at %p\n", progbase);
// kprintf("top at %p\n", progbase + bin_size);
bin_size = binflat.reloc_start + 4 * binflat.reloc_count;
go = (uint32_t)progbase + binflat.entry;
close_on_exec();
/*
* Read in the rest of the program, block by block. We rely upon
* the optimization path in readi to spot this is a big move to user
* space and move it directly.
*/
if (bin_size > sizeof(struct binfmt_flat)) {
/* We copied the header already */
bin_size -= sizeof(struct binfmt_flat);
udata.u_base = (uint8_t *)progbase +
sizeof(struct binfmt_flat);
udata.u_count = bin_size;
udata.u_sysio = false;
readi(ino, 0);
if (udata.u_done != bin_size)
goto nogood4;
}
/* Header isn't counted in relocations */
relocate(&binflat, progbase, bin_size);
/* This may wipe the relocations */
uzero((uint8_t *)progbase + binflat.data_end,
binflat.bss_end - binflat.data_end + binflat.stack_size);
/* Use of brk eats into the stack allocation */
/* Use the temporary we saved (hack) as we mangled bss_end */
udata.u_break = udata.u_codebase + true_brk;
/* Turn off caught signals */
memset(udata.u_sigvec, 0, sizeof(udata.u_sigvec));
/* place the arguments, environment and stack at the top of userspace memory. */
/* Write back the arguments and the environment */
nargv = wargs(((char *) top - 4), abuf, &argc);
nenvp = wargs((char *) (nargv), ebuf, NULL);
/* Fill in udata.u_name with Program invocation name */
uget((void *) ugetl(nargv, NULL), udata.u_name, 8);
memcpy(udata.u_ptab->p_name, udata.u_name, 8);
tmpfree(abuf);
tmpfree(ebuf);
i_unlock_deref(ino);
/* Shove argc and the address of argv just below envp */
uputl((uint32_t) nargv, nenvp - 1);
uputl((uint32_t) argc, nenvp - 2);
// Set stack pointer for the program
udata.u_isp = nenvp - 2;
/*
* Sort of - it's a good way to deal with all the stupidity of
* random 68K platforms we will have to handle, and a nice place
* to stuff the signal trampoline 8)
*/
install_vdso();
// kprintf("Go = %p ISP = %p\n", go, udata.u_isp);
doexec(go);
nogood4:
/* Must not run userspace */
ssig(udata.u_ptab, SIGKILL);
nogood3:
tmpfree(abuf);
tmpfree(ebuf);
nogood2:
nogood:
i_unlock_deref(ino);
return (-1);
}
