static int notsane_extended(const struct part_iter *iter)
{
const struct disk_dos_part_entry *dp;
uint32_t end_ebr;
dp = ((struct disk_dos_mbr *)iter->data)->table;
if (!dp[1].ostype)
return 0;
if (!ost_is_nondata(dp[1].ostype)) {
error("2nd EBR entry must be extended or empty.\n");
return -1;
}
end_ebr = dp[1].start_lba + dp[1].length;
if (!dp[1].start_lba ||
!dp[1].length ||
!sane(dp[1].start_lba, dp[1].length) ||
end_ebr > iter->sub.dos.bebr_size) {
error("Insane extended partition.\n");
return -1;
}
return 0;
}
static int notsane_extended(const struct part_iter *iter)
{
const struct disk_dos_part_entry *dp;
uint32_t end_ebr;
dp = ((struct disk_dos_mbr *)iter->data)->table;
if (!dp[1].ostype)
return 0;
if (!ost_is_nondata(dp[1].ostype)) {
error("The 2nd EBR entry must be extended or empty.");
return -1;
}
if (iter->flags & PIF_RELAX)
return 0;
end_ebr = dp[1].start_lba + dp[1].length;
if (!dp[1].start_lba ||
!dp[1].length ||
!sane(dp[1].start_lba, dp[1].length) ||
end_ebr > iter->dos.bebr_siz) {
error("Extended partition (EBR) with invalid offset and/or length.");
return -1;
}
return 0;
}
static int notsane_logical(const struct part_iter *iter)
{
const struct disk_dos_part_entry *dp;
uint32_t end_log;
dp = ((struct disk_dos_mbr *)iter->data)->table;
if (!dp[0].ostype)
return 0;
if (ost_is_ext(dp[0].ostype)) {
error("1st EBR entry must be data or empty.\n");
return -1;
}
end_log = dp[0].start_lba + dp[0].length;
if (!dp[0].start_lba ||
!dp[0].length ||
!sane(dp[0].start_lba, dp[0].length) ||
end_log > iter->sub.dos.ebr_size) {
error("Insane logical partition.\n");
return -1;
}
return 0;
}
static int notsane_logical(const struct part_iter *iter)
{
const struct disk_dos_part_entry *dp;
uint32_t end_log;
dp = ((struct disk_dos_mbr *)iter->data)->table;
if (!dp[0].ostype)
return 0;
if (ost_is_ext(dp[0].ostype)) {
error("The 1st EBR entry must be data or empty.");
return -1;
}
if (iter->flags & PIF_RELAX)
return 0;
end_log = dp[0].start_lba + dp[0].length;
if (!dp[0].start_lba ||
!dp[0].length ||
!sane(dp[0].start_lba, dp[0].length) ||
end_log > iter->dos.nebr_siz) {
error("Logical partition (in EBR) with invalid offset and/or length.");
return -1;
}
return 0;
}
static int notsane_gpt_hdr(const struct disk_info *di, const struct disk_gpt_header *gpth, int flags)
{
uint64_t gpt_loff; /* offset to GPT partition list in sectors */
uint64_t gpt_lsiz; /* size of GPT partition list in bytes */
uint64_t gpt_lcnt; /* size of GPT partition in sectors */
uint64_t gpt_sec; /* secondary gpt header */
if (!(flags & PIF_STRICT))
return 0;
if (gpth->lba_alt < gpth->lba_cur)
gpt_sec = gpth->lba_cur;
else
gpt_sec = gpth->lba_alt;
gpt_loff = gpth->lba_table;
gpt_lsiz = (uint64_t)gpth->part_size * gpth->part_count;
gpt_lcnt = (gpt_lsiz + di->bps - 1) / di->bps;
/*
* disk_read_sectors allows reading of max 255 sectors, so we use
* it as a sanity check base. EFI doesn't specify max (AFAIK).
*/
if (gpt_loff < 2 || !gpt_lsiz || gpt_lcnt > 255u ||
gpth->lba_first_usable > gpth->lba_last_usable ||
!sane(gpt_loff, gpt_lcnt) ||
(gpt_loff + gpt_lcnt > gpth->lba_first_usable && gpt_loff <= gpth->lba_last_usable) ||
gpt_loff + gpt_lcnt > gpt_sec ||
((flags & PIF_STRICTER) && (gpt_sec >= di->lbacnt)) ||
gpth->part_size < sizeof(struct disk_gpt_part_entry))
return -1;
return 0;
}
static int notsane_primary(const struct part_iter *iter)
{
const struct disk_dos_part_entry *dp;
dp = ((struct disk_dos_mbr *)iter->data)->table + iter->index0;
if (!dp->ostype)
return 0;
if (!dp->start_lba ||
!dp->length ||
!sane(dp->start_lba, dp->length) ||
dp->start_lba + dp->length > iter->di.lbacnt) {
error("Insane primary (MBR) partition.\n");
return -1;
}
return 0;
}
static int notsane_primary(const struct part_iter *iter)
{
const struct disk_dos_part_entry *dp;
dp = ((struct disk_dos_mbr *)iter->data)->table + iter->index0;
if (!dp->ostype)
return 0;
if (iter->flags & PIF_RELAX)
return 0;
if (!dp->start_lba ||
!dp->length ||
!sane(dp->start_lba, dp->length) ||
dp->start_lba + dp->length > iter->di.lbacnt) {
error("Primary partition (in MBR) with invalid offset and/or length.");
return -1;
}
return 0;
}
/**
* pi_begin() - check disk, validate, and get proper iterator
* @di: diskinfo struct pointer
*
* This function checks the disk for GPT or legacy partition table and allocates
* an appropriate iterator.
**/
struct part_iter *pi_begin(const struct disk_info *di, int stepall)
{
int setraw = 0;
struct part_iter *iter = NULL;
struct disk_dos_mbr *mbr = NULL;
struct disk_gpt_header *gpth = NULL;
struct disk_gpt_part_entry *gptl = NULL;
/* Read MBR */
if (!(mbr = disk_read_sectors(di, 0, 1))) {
error("Couldn't read first disk sector.\n");
goto bail;
}
setraw = -1;
/* Check for MBR magic*/
if (mbr->sig != disk_mbr_sig_magic) {
error("No MBR magic.\n");
goto bail;
}
/* Check for GPT protective MBR */
if (mbr->table[0].ostype == 0xEE) {
if (!(gpth = disk_read_sectors(di, 1, 1))) {
error("Couldn't read potential GPT header.\n");
goto bail;
}
}
if (gpth && gpth->rev.uint32 == 0x00010000 &&
!memcmp(gpth->sig, disk_gpt_sig_magic, sizeof(disk_gpt_sig_magic))) {
/* looks like GPT v1.0 */
uint64_t gpt_loff; /* offset to GPT partition list in sectors */
uint64_t gpt_lsiz; /* size of GPT partition list in bytes */
uint64_t gpt_lcnt; /* size of GPT partition in sectors */
#ifdef DEBUG
puts("Looks like a GPT v1.0 disk.");
disk_gpt_header_dump(gpth);
#endif
/* Verify checksum, fallback to backup, then bail if invalid */
if (gpt_check_hdr_crc(di, &gpth))
goto bail;
gpt_loff = gpth->lba_table;
gpt_lsiz = (uint64_t)gpth->part_size * gpth->part_count;
gpt_lcnt = (gpt_lsiz + di->bps - 1) / di->bps;
/*
* disk_read_sectors allows reading of max 255 sectors, so we use
* it as a sanity check base. EFI doesn't specify max (AFAIK).
* Apart from that, some extensive sanity checks.
*/
if (!gpt_loff || !gpt_lsiz || gpt_lcnt > 255u ||
gpth->lba_first_usable > gpth->lba_last_usable ||
!sane(gpt_loff, gpt_lcnt) ||
gpt_loff + gpt_lcnt > gpth->lba_first_usable ||
!sane(gpth->lba_last_usable, gpt_lcnt) ||
gpth->lba_last_usable + gpt_lcnt >= gpth->lba_alt ||
gpth->lba_alt >= di->lbacnt ||
gpth->part_size < sizeof(struct disk_gpt_part_entry)) {
error("Invalid GPT header's values.\n");
goto bail;
}
if (!(gptl = disk_read_sectors(di, gpt_loff, (uint8_t)gpt_lcnt))) {
error("Couldn't read GPT partition list.\n");
goto bail;
}
/* Check array checksum(s). */
if (check_crc(gpth->table_chksum, (const uint8_t *)gptl, (unsigned int)gpt_lsiz)) {
error("WARNING: GPT partition list checksum invalid, trying backup.\n");
free(gptl);
/* secondary array directly precedes secondary header */
if (!(gptl = disk_read_sectors(di, gpth->lba_alt - gpt_lcnt, (uint8_t)gpt_lcnt))) {
error("Couldn't read backup GPT partition list.\n");
goto bail;
}
if (check_crc(gpth->table_chksum, (const uint8_t *)gptl, (unsigned int)gpt_lsiz)) {
error("Backup GPT partition list checksum invalid.\n");
goto bail;
}
}
/* allocate iterator and exit */
iter = pi_new(typegpt, di, stepall, gpth, gptl);
} else {
/* looks like MBR */
iter = pi_new(typedos, di, stepall, mbr);
}
setraw = 0;
bail:
if (setraw) {
error("WARNING: treating disk as raw.\n");
iter = pi_new(typeraw, di, stepall);
}
free(mbr);
free(gpth);
free(gptl);
return iter;
}
int lpd_main(int argc UNUSED_PARAM, char *argv[])
{
int spooling = spooling; // for compiler
char *s, *queue;
char *filenames[2];
// goto spool directory
if (*++argv)
xchdir(*argv++);
// error messages of xfuncs will be sent over network
xdup2(STDOUT_FILENO, STDERR_FILENO);
// nullify ctrl/data filenames
memset(filenames, 0, sizeof(filenames));
// read command
s = queue = xmalloc_read_stdin();
// we understand only "receive job" command
if (2 != *queue) {
unsupported_cmd:
printf("Command %02x %s\n",
(unsigned char)s[0], "is not supported");
goto err_exit;
}
// parse command: "2 | QUEUE_NAME | '\n'"
queue++;
// protect against "/../" attacks
// *strchrnul(queue, '\n') = '\0'; - redundant, sane() will do
if (!*sane(queue))
return EXIT_FAILURE;
// queue is a directory -> chdir to it and enter spooling mode
spooling = chdir(queue) + 1; // 0: cannot chdir, 1: done
// we don't free(s), we might need "queue" var later
while (1) {
char *fname;
int fd;
// int is easier than ssize_t: can use xatoi_u,
// and can correctly display error returns (-1)
int expected_len, real_len;
// signal OK
safe_write(STDOUT_FILENO, "", 1);
// get subcommand
// valid s must be of form: "SUBCMD | LEN | space | FNAME"
// N.B. we bail out on any error
s = xmalloc_read_stdin();
if (!s) { // (probably) EOF
char *p, *q, var[2];
// non-spooling mode or no spool helper specified
if (!spooling || !*argv)
return EXIT_SUCCESS; // the only non-error exit
// spooling mode but we didn't see both ctrlfile & datafile
if (spooling != 7)
goto err_exit; // reject job
// spooling mode and spool helper specified -> exec spool helper
// (we exit 127 if helper cannot be executed)
var[1] = '\0';
// read and delete ctrlfile
q = xmalloc_xopen_read_close(filenames[0], NULL);
unlink(filenames[0]);
// provide datafile name
// we can use leaky setenv since we are about to exec or exit
xsetenv("DATAFILE", filenames[1]);
// parse control file by "\n"
while ((p = strchr(q, '\n')) != NULL && isalpha(*q)) {
*p++ = '\0';
// q is a line of <SYM><VALUE>,
// we are setting environment string <SYM>=<VALUE>.
// Ignoring "l<datafile>", exporting others:
if (*q != 'l') {
var[0] = *q++;
xsetenv(var, q);
}
q = p; // next line
}
// helper should not talk over network.
// this call reopens stdio fds to "/dev/null"
// (no daemonization is done)
bb_daemonize_or_rexec(DAEMON_DEVNULL_STDIO | DAEMON_ONLY_SANITIZE, NULL);
BB_EXECVP(*argv, argv);
exit(127);
}
// validate input.
// we understand only "control file" or "data file" cmds
if (2 != s[0] && 3 != s[0])
goto unsupported_cmd;
if (spooling & (1 << (s[0]-1))) {
printf("Duplicated subcommand\n");
goto err_exit;
}
// get filename
*strchrnul(s, '\n') = '\0';
fname = strchr(s, ' ');
if (!fname) {
// bad_fname:
printf("No or bad filename\n");
goto err_exit;
}
*fname++ = '\0';
// // s[0]==2: ctrlfile, must start with 'c'
// // s[0]==3: datafile, must start with 'd'
// if (fname[0] != s[0] + ('c'-2))
// goto bad_fname;
// get length
expected_len = bb_strtou(s + 1, NULL, 10);
if (errno || expected_len < 0) {
printf("Bad length\n");
goto err_exit;
}
if (2 == s[0] && expected_len > 16 * 1024) {
// SECURITY:
// ctrlfile can't be big (we want to read it back later!)
printf("File is too big\n");
goto err_exit;
}
// open the file
if (spooling) {
// spooling mode: dump both files
// job in flight has mode 0200 "only writable"
sane(fname);
fd = open3_or_warn(fname, O_CREAT | O_WRONLY | O_TRUNC | O_EXCL, 0200);
if (fd < 0)
goto err_exit;
filenames[s[0] - 2] = xstrdup(fname);
} else {
// non-spooling mode:
// 2: control file (ignoring), 3: data file
fd = -1;
if (3 == s[0])
fd = xopen(queue, O_RDWR | O_APPEND);
}
// signal OK
safe_write(STDOUT_FILENO, "", 1);
// copy the file
real_len = bb_copyfd_size(STDIN_FILENO, fd, expected_len);
if (real_len != expected_len) {
printf("Expected %d but got %d bytes\n",
expected_len, real_len);
goto err_exit;
}
// get EOF indicator, see whether it is NUL (ok)
// (and don't trash s[0]!)
if (safe_read(STDIN_FILENO, &s[1], 1) != 1 || s[1] != 0) {
// don't send error msg to peer - it obviously
// doesn't follow the protocol, so probably
// it can't understand us either
goto err_exit;
}
if (spooling) {
// chmod completely downloaded file as "readable+writable"
fchmod(fd, 0600);
// accumulate dump state
// N.B. after all files are dumped spooling should be 1+2+4==7
spooling |= (1 << (s[0]-1)); // bit 1: ctrlfile; bit 2: datafile
}
free(s);
close(fd); // NB: can do close(-1). Who cares?
// NB: don't do "signal OK" write here, it will be done
// at the top of the loop
} // while (1)
err_exit:
// don't keep corrupted files
if (spooling) {
#define i spooling
for (i = 2; --i >= 0; )
if (filenames[i])
unlink(filenames[i]);
}
return EXIT_FAILURE;
}
/* pi_begin() - validate and and get proper iterator for a disk described by di */
struct part_iter *pi_begin(const struct disk_info *di, int flags)
{
int gptprot, ret = -1;
struct part_iter *iter;
struct disk_dos_mbr *mbr = NULL;
struct disk_gpt_header *gpth = NULL;
struct disk_gpt_part_entry *gptl = NULL;
/* Preallocate iterator */
if (!(iter = pi_alloc()))
goto bail;
/* Read MBR */
if (!(mbr = disk_read_sectors(di, 0, 1))) {
error("Couldn't read the first disk sector.");
goto bail;
}
/* Check for MBR magic */
if (mbr->sig != disk_mbr_sig_magic) {
warn("No MBR magic, treating disk as raw.");
/* looks like RAW */
ret = pi_ctor(iter, di, flags);
goto bail;
}
/* Check for GPT protective MBR */
gptprot = 0;
for (size_t i = 0; i < 4; i++)
gptprot |= (mbr->table[i].ostype == 0xEE);
if (gptprot && !(flags & PIF_PREFMBR)) {
if (!(gpth = disk_read_sectors(di, 1, 1))) {
error("Couldn't read potential GPT header.");
goto bail;
}
}
if (gpth && gpth->rev.uint32 == 0x00010000 &&
!memcmp(gpth->sig, disk_gpt_sig_magic, sizeof gpth->sig)) {
/* looks like GPT v1.0 */
uint64_t gpt_loff; /* offset to GPT partition list in sectors */
uint64_t gpt_lsiz; /* size of GPT partition list in bytes */
uint64_t gpt_lcnt; /* size of GPT partition in sectors */
#ifdef DEBUG
dprintf("Looks like a GPT v1.0 disk.\n");
disk_gpt_header_dump(gpth);
#endif
/* Verify checksum, fallback to backup, then bail if invalid */
if (gpt_check_hdr_crc(di, &gpth))
goto bail;
gpt_loff = gpth->lba_table;
gpt_lsiz = (uint64_t)gpth->part_size * gpth->part_count;
gpt_lcnt = (gpt_lsiz + di->bps - 1) / di->bps;
/*
* disk_read_sectors allows reading of max 255 sectors, so we use
* it as a sanity check base. EFI doesn't specify max (AFAIK).
* Apart from that, some extensive sanity checks.
*/
if (!(flags & PIF_RELAX) && (
!gpt_loff || !gpt_lsiz || gpt_lcnt > 255u ||
gpth->lba_first_usable > gpth->lba_last_usable ||
!sane(gpt_loff, gpt_lcnt) ||
gpt_loff + gpt_lcnt > gpth->lba_first_usable ||
!sane(gpth->lba_last_usable, gpt_lcnt) ||
gpth->lba_last_usable + gpt_lcnt >= gpth->lba_alt ||
gpth->lba_alt >= di->lbacnt ||
gpth->part_size < sizeof *gptl)) {
error("Invalid GPT header's values.");
goto bail;
}
if (!(gptl = disk_read_sectors(di, gpt_loff, gpt_lcnt))) {
error("Couldn't read GPT partition list.");
goto bail;
}
/* Check array checksum(s). */
if (!valid_crc(gpth->table_chksum, (const uint8_t *)gptl, (unsigned int)gpt_lsiz)) {
warn("Checksum of the main GPT partition list is invalid, trying backup.");
free(gptl);
/* secondary array directly precedes secondary header */
if (!(gptl = disk_read_sectors(di, gpth->lba_alt - gpt_lcnt, gpt_lcnt))) {
error("Couldn't read backup GPT partition list.");
goto bail;
}
if (!valid_crc(gpth->table_chksum, (const uint8_t *)gptl, gpt_lsiz)) {
error("Checksum of the backup GPT partition list is invalid, giving up.");
goto bail;
}
}
/* looks like GPT */
ret = pi_gpt_ctor(iter, di, flags, gpth, gptl);
} else {
/* looks like MBR */
ret = pi_dos_ctor(iter, di, flags, mbr);
}
bail:
if (ret < 0)
free(iter);
free(mbr);
free(gpth);
free(gptl);
return iter;
}
static void set(char *argv[], struct termios *sp)
{
const Tty_t *tp;
register int c,off;
char *cp;
char *ep;
while(cp = *argv++)
{
off = 0;
if(*cp=='-')
{
cp++;
off=1;
}
if(!(tp=lookup(cp)) || (off && (tp->type!=BIT) && (tp->type!=TABS)))
error(ERROR_exit(1),"%s: unknown mode",cp);
switch(tp->type)
{
case CHAR:
if(off)
error(ERROR_exit(1),"%s: unknown mode",cp);
if(!*argv)
error(ERROR_exit(1),"missing argument to %s",cp);
c = gettchar(*argv++);
if(c>=0)
sp->c_cc[tp->mask] = c;
else
sp->c_cc[tp->mask] = _POSIX_VDISABLE;
break;
case BIT: case BITS:
switch(tp->field)
{
case C_FLAG:
if(off)
sp->c_cflag &= ~tp->mask;
else
sp->c_cflag |= tp->mask;
break;
case I_FLAG:
if(off)
sp->c_iflag &= ~tp->mask;
else
sp->c_iflag |= tp->mask;
break;
case O_FLAG:
sp->c_oflag &= ~tp->mask;
sp->c_oflag |= tp->val;
break;
case L_FLAG:
if(off)
sp->c_lflag &= ~tp->mask;
else
sp->c_lflag |= tp->mask;
break;
}
break;
case TABS:
sp->c_oflag &= ~tp->mask;
if(off)
sp->c_oflag |= tp->val;
break;
#ifdef TIOCSWINSZ
case WIND:
{
struct winsize win;
int n;
if(ioctl(0,TIOCGWINSZ,&win)<0)
error(ERROR_system(1),"cannot set %s",tp->name);
if(!(cp= *argv))
{
sfprintf(sfstdout,"%d\n",tp->mask?win.ws_col:win.ws_row);
break;
}
argv++;
n=strtol(cp,&cp,10);
if(*cp)
error(ERROR_system(1),"%d: invalid number of %s",argv[-1],tp->name);
if(tp->mask)
win.ws_col = n;
else
win.ws_row = n;
if(ioctl(0,TIOCSWINSZ,&win)<0)
error(ERROR_system(1),"cannot set %s",tp->name);
break;
}
#endif
case NUM:
cp = *argv;
if (!cp)
{
if (tp->field == C_SPEED)
{
if (tp = getspeed(*tp->name == 'i' ? cfgetispeed(sp) : cfgetospeed(sp)))
sfprintf(sfstdout, "%s\n", tp->name);
break;
}
error(ERROR_exit(1), "%s: missing numeric argument", tp->name);
}
argv++;
c = (int)strtol(cp, &ep, 10);
if (*ep)
error(ERROR_exit(1), "%s: %s: numeric argument expected", tp->name, cp);
switch (tp->field)
{
#if _mem_c_line_termios
case C_LINE:
sp->c_line = c;
break;
#endif
case C_SPEED:
if(getspeed(c))
{
if (*tp->name != 'o')
cfsetispeed(sp, c);
if (*tp->name != 'i')
cfsetospeed(sp, c);
}
else
error(ERROR_exit(1), "%s: %s: invalid speed", tp->name, cp);
break;
case T_CHAR:
sp->c_cc[tp->mask] = c;
break;
}
break;
case SPEED:
cfsetospeed(sp, tp->mask);
cfsetispeed(sp, tp->mask);
break;
case SIZE:
sp->c_cflag &= ~CSIZE;
sp->c_cflag |= tp->mask;
break;
case SANE:
sane(sp);
break;
#if defined(OLCUC) && defined(IUCLC)
case CASE:
if(off)
{
sp->c_iflag |= IUCLC;
sp->c_oflag |= OLCUC;
}
else
{
sp->c_iflag &= ~IUCLC;
sp->c_oflag &= ~OLCUC;
}
break;
#endif /* OLCUC && IUCLC */
}
}
}
static void output(struct termios *sp, int flags)
{
const Tty_t *tp;
struct termios tty;
register int delim = ' ';
register int i,off,off2;
char schar[2];
unsigned int ispeed = cfgetispeed(sp);
unsigned int ospeed = cfgetospeed(sp);
if(flags&G_FLAG)
{
gout(sp);
return;
}
tty = *sp;
sane(&tty);
for(i=0; i < elementsof(Ttable); i++)
{
tp= &Ttable[i];
if(tp->flags&IG)
{
if(tp->flags&NL)
sfputc(sfstdout,'\n');
continue;
}
switch(tp->type)
{
case BIT:
case BITS:
off = off2 = 1;
switch(tp->field)
{
case C_FLAG:
if(sp->c_cflag&tp->mask)
off = 0;
if(tty.c_cflag&tp->mask)
off2 = 0;
break;
case I_FLAG:
if(sp->c_iflag&tp->mask)
off = 0;
if(tty.c_iflag&tp->mask)
off2 = 0;
break;
case O_FLAG:
if((sp->c_oflag&tp->mask)==tp->val)
off = 0;
if(tty.c_oflag&tp->mask)
off2 = 0;
break;
case L_FLAG:
if(sp->c_lflag&tp->mask)
off = 0;
if(tty.c_lflag&tp->mask)
off2 = 0;
}
if(tp->flags&NL)
delim = '\n';
if(!flags && off==off2)
continue;
if(!off)
sfprintf(sfstdout,"%s%c",tp->name,delim);
else if(tp->type==BIT)
sfprintf(sfstdout,"-%s%c",tp->name,delim);
delim = ' ';
break;
case CHAR:
off = sp->c_cc[tp->mask];
if(tp->flags&NL)
delim = '\n';
if(!flags && off==(unsigned char)tty.c_cc[tp->mask])
continue;
if(off==_POSIX_VDISABLE)
sfprintf(sfstdout,"%s = <undef>;%c",tp->name,delim);
else if(isprint(off&0xff))
sfprintf(sfstdout,"%s = %c;%c",tp->name,off,delim);
else
#if CC_NATIVE == CC_ASCII
sfprintf(sfstdout,"%s = ^%c;%c",tp->name,off==0177?'?':(off^0100),delim);
#else
{
off = ccmapc(off, CC_NATIVE, CC_ASCII);
sfprintf(sfstdout,"%s = ^%c;%c",tp->name,off==0177?'?':ccmapc(off^0100,CC_ASCII,CC_NATIVE),delim);
}
#endif
delim = ' ';
break;
case SIZE:
if((sp->c_cflag&CSIZE)!=tp->mask)
continue;
if(flags || (sp->c_cflag&CSIZE) != (tty.c_cflag&CSIZE))
sfprintf(sfstdout,"%s ",tp->name);
break;
case SPEED:
if(tp->mask==ispeed)
{
if(ispeed!=ospeed)
schar[0]='i';
else
schar[0]=0;
}
else if(tp->mask==ospeed)
schar[0]='o';
else
continue;
schar[1] = 0;
#ifdef TIOCSWINSZ
{
struct winsize win;
off = ioctl(0,TIOCGWINSZ,&win);
if(off>=0)
sfprintf(sfstdout,"%sspeed %s baud; rows %d; columns %d;\n",schar,tp->name,win.ws_row,win.ws_col);
}
if(off<0)
#endif
sfprintf(sfstdout,"%sspeed %s baud;\n",schar,tp->name);
}
}
if(delim=='\n')
sfputc(sfstdout,'\n');
}