* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*/
#include "includes.h"
-RCSID("$OpenBSD: scp.c,v 1.85 2001/10/01 08:06:28 markus Exp $");
+RCSID("$OpenBSD: scp.c,v 1.125 2005/07/27 10:39:03 dtucker Exp $");
#include "xmalloc.h"
#include "atomicio.h"
#include "pathnames.h"
#include "log.h"
#include "misc.h"
+#include "progressmeter.h"
-#ifdef HAVE___PROGNAME
extern char *__progname;
-#else
-char *__progname;
-#endif
-
-/* For progressmeter() -- number of seconds before xfer considered "stalled" */
-#define STALLTIME 5
-/* alarm() interval for updating progress meter */
-#define PROGRESSTIME 1
-
-/* Progress meter bar */
-#define BAR \
- "************************************************************"\
- "************************************************************"\
- "************************************************************"\
- "************************************************************"
-#define MAX_BARLENGTH (sizeof(BAR) - 1)
-
-/* Visual statistics about files as they are transferred. */
-void progressmeter(int);
-/* Returns width of the terminal (for progress meter calculations). */
-int getttywidth(void);
-int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc);
+void bwlimit(int);
/* Struct for addargs */
arglist args;
-/* Time a transfer started. */
-static struct timeval start;
-
-/* Number of bytes of current file transferred so far. */
-volatile off_t statbytes;
-
-/* Total size of current file. */
-off_t totalbytes = 0;
+/* Bandwidth limit */
+off_t limit_rate = 0;
/* Name of current file being transferred. */
char *curfile;
/* This is the program to execute for the secured connection. ("ssh" or -S) */
char *ssh_program = _PATH_SSH_PROGRAM;
+/* This is used to store the pid of ssh_program */
+pid_t do_cmd_pid = -1;
+
+static void
+killchild(int signo)
+{
+ if (do_cmd_pid > 1) {
+ kill(do_cmd_pid, signo ? signo : SIGTERM);
+ waitpid(do_cmd_pid, NULL, 0);
+ }
+
+ if (signo)
+ _exit(1);
+ exit(1);
+}
+
/*
* This function executes the given command as the specified user on the
* given host. This returns < 0 if execution fails, and >= 0 otherwise. This
close(reserved[0]);
close(reserved[1]);
- /* For a child to execute the command on the remote host using ssh. */
- if (fork() == 0) {
+ /* Fork a child to execute the command on the remote host using ssh. */
+ do_cmd_pid = fork();
+ if (do_cmd_pid == 0) {
/* Child. */
close(pin[1]);
close(pout[0]);
execvp(ssh_program, args.list);
perror(ssh_program);
exit(1);
+ } else if (do_cmd_pid == -1) {
+ fatal("fork: %s", strerror(errno));
}
/* Parent. Close the other side, and return the local side. */
close(pin[0]);
*fdout = pin[1];
close(pout[1]);
*fdin = pout[0];
+ signal(SIGTERM, killchild);
+ signal(SIGINT, killchild);
+ signal(SIGHUP, killchild);
return 0;
}
typedef struct {
- int cnt;
+ size_t cnt;
char *buf;
} BUF;
void usage(void);
int
-main(argc, argv)
- int argc;
- char *argv[];
+main(int argc, char **argv)
{
- int ch, fflag, tflag;
- char *targ;
+ int ch, fflag, tflag, status;
+ double speed;
+ char *targ, *endp;
extern char *optarg;
extern int optind;
- __progname = get_progname(argv[0]);
+ __progname = ssh_get_progname(argv[0]);
args.list = NULL;
- addargs(&args, "ssh"); /* overwritten with ssh_program */
+ addargs(&args, "ssh"); /* overwritten with ssh_program */
addargs(&args, "-x");
addargs(&args, "-oForwardAgent no");
- addargs(&args, "-oFallBackToRsh no");
addargs(&args, "-oClearAllForwardings yes");
fflag = tflag = 0;
- while ((ch = getopt(argc, argv, "dfprtvBCc:i:P:q46S:o:F:")) != -1)
+ while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246zS:o:F:w:")) != -1)
switch (ch) {
/* User-visible flags. */
+ case '1':
+ case '2':
case '4':
case '6':
case 'C':
+ case 'z':
addargs(&args, "-%c", ch);
break;
case 'o':
case 'B':
addargs(&args, "-oBatchmode yes");
break;
+ case 'l':
+ speed = strtod(optarg, &endp);
+ if (speed <= 0 || *endp != '\0')
+ usage();
+ limit_rate = speed * 1024;
+ break;
case 'p':
pflag = 1;
break;
verbose_mode = 1;
break;
case 'q':
+ addargs(&args, "-q");
showprogress = 0;
break;
setmode(0, O_BINARY);
#endif
break;
+ case 'w':
+ addargs(&args, "-w%s", optarg);
+ break;
default:
usage();
}
argv += optind;
if ((pwd = getpwuid(userid = getuid())) == NULL)
- fatal("unknown user %d", (int) userid);
+ fatal("unknown user %u", (u_int) userid);
if (!isatty(STDERR_FILENO))
showprogress = 0;
targetshouldbedirectory = 1;
remin = remout = -1;
+ do_cmd_pid = -1;
/* Command to be executed on remote system using "ssh". */
(void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s",
verbose_mode ? " -v" : "",
if (targetshouldbedirectory)
verifydir(argv[argc - 1]);
}
+ /*
+ * Finally check the exit status of the ssh process, if one was forked
+ * and no error has occured yet
+ */
+ if (do_cmd_pid != -1 && errs == 0) {
+ if (remin != -1)
+ (void) close(remin);
+ if (remout != -1)
+ (void) close(remout);
+ if (waitpid(do_cmd_pid, &status, 0) == -1)
+ errs = 1;
+ else {
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
+ errs = 1;
+ }
+ }
exit(errs != 0);
}
void
-toremote(targ, argc, argv)
- char *targ, *argv[];
- int argc;
+toremote(char *targ, int argc, char **argv)
{
int i, len;
- char *bp, *host, *src, *suser, *thost, *tuser;
+ char *bp, *host, *src, *suser, *thost, *tuser, *arg;
*targ++ = 0;
if (*targ == 0)
targ = ".";
- if ((thost = strchr(argv[argc - 1], '@'))) {
+ arg = xstrdup(argv[argc - 1]);
+ if ((thost = strrchr(arg, '@'))) {
/* user@host */
*thost++ = 0;
- tuser = argv[argc - 1];
+ tuser = arg;
if (*tuser == '\0')
tuser = NULL;
- else if (!okname(tuser))
- exit(1);
} else {
- thost = argv[argc - 1];
+ thost = arg;
tuser = NULL;
}
src = colon(argv[i]);
if (src) { /* remote to remote */
static char *ssh_options =
- "-x -o'FallBackToRsh no' "
- "-o'ClearAllForwardings yes'";
+ "-x -o'ClearAllForwardings yes'";
*src++ = 0;
if (*src == 0)
src = ".";
- host = strchr(argv[i], '@');
+ host = strrchr(argv[i], '@');
len = strlen(ssh_program) + strlen(argv[i]) +
strlen(src) + (tuser ? strlen(tuser) : 0) +
strlen(thost) + strlen(targ) +
suser = argv[i];
if (*suser == '\0')
suser = pwd->pw_name;
- else if (!okname(suser))
+ else if (!okname(suser)) {
+ xfree(bp);
continue;
+ }
+ if (tuser && !okname(tuser)) {
+ xfree(bp);
+ continue;
+ }
snprintf(bp, len,
"%s%s %s -n "
"-l %s %s %s %s '%s%s%s:%s'",
}
if (verbose_mode)
fprintf(stderr, "Executing: %s\n", bp);
- (void) system(bp);
+ if (system(bp) != 0)
+ errs = 1;
(void) xfree(bp);
} else { /* local to remote */
if (remin == -1) {
}
void
-tolocal(argc, argv)
- int argc;
- char *argv[];
+tolocal(int argc, char **argv)
{
int i, len;
char *bp, *host, *src, *suser;
*src++ = 0;
if (*src == 0)
src = ".";
- if ((host = strchr(argv[i], '@')) == NULL) {
+ if ((host = strrchr(argv[i], '@')) == NULL) {
host = argv[i];
suser = NULL;
} else {
suser = argv[i];
if (*suser == '\0')
suser = pwd->pw_name;
- else if (!okname(suser))
- continue;
}
host = cleanhostname(host);
len = strlen(src) + CMDNEEDS + 20;
}
void
-source(argc, argv)
- int argc;
- char *argv[];
+source(int argc, char **argv)
{
struct stat stb;
static BUF buffer;
BUF *bp;
- off_t i, amt, result;
- int fd, haderr, indx;
- char *last, *name, buf[2048];
+ off_t i, amt, statbytes;
+ size_t result;
+ int fd = -1, haderr, indx;
+ char *last, *name, buf[16384];
int len;
for (indx = 0; indx < argc; ++indx) {
(void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n",
(u_long) stb.st_mtime,
(u_long) stb.st_atime);
- (void) atomicio(write, remout, buf, strlen(buf));
+ (void) atomicio(vwrite, remout, buf, strlen(buf));
if (response() < 0)
goto next;
}
#define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO)
-#ifdef HAVE_LONG_LONG_INT
snprintf(buf, sizeof buf, "C%04o %lld %s\n",
(u_int) (stb.st_mode & FILEMODEMASK),
- (long long) stb.st_size, last);
-#else
- /* XXX: Handle integer overflow? */
- snprintf(buf, sizeof buf, "C%04o %lu %s\n",
- (u_int) (stb.st_mode & FILEMODEMASK),
- (u_long) stb.st_size, last);
-#endif
-
+ (int64_t)stb.st_size, last);
if (verbose_mode) {
fprintf(stderr, "Sending file modes: %s", buf);
- fflush(stderr);
}
- (void) atomicio(write, remout, buf, strlen(buf));
+ (void) atomicio(vwrite, remout, buf, strlen(buf));
if (response() < 0)
goto next;
- if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) {
+ /* this change decreases the number of read/write syscalls*/
+ /* when scp acts as data source. this is the critical change*/
+ /* buf can actually remain at 2k but increasing both to 16k*/
+ /* seemed to make sense*/
+ if ((bp = allocbuf(&buffer, fd, sizeof(buf))) == NULL) {
next: (void) close(fd);
continue;
}
- if (showprogress) {
- totalbytes = stb.st_size;
- progressmeter(-1);
- }
+ if (showprogress)
+ start_progress_meter(curfile, stb.st_size, &statbytes);
/* Keep writing after an error so that we stay sync'd up. */
for (haderr = i = 0; i < stb.st_size; i += bp->cnt) {
amt = bp->cnt;
if (!haderr) {
result = atomicio(read, fd, bp->buf, amt);
if (result != amt)
- haderr = result >= 0 ? EIO : errno;
+ haderr = errno;
}
if (haderr)
- (void) atomicio(write, remout, bp->buf, amt);
+ (void) atomicio(vwrite, remout, bp->buf, amt);
else {
- result = atomicio(write, remout, bp->buf, amt);
+ result = atomicio(vwrite, remout, bp->buf, amt);
if (result != amt)
- haderr = result >= 0 ? EIO : errno;
+ haderr = errno;
statbytes += result;
}
+ if (limit_rate)
+ bwlimit(amt);
}
if (showprogress)
- progressmeter(1);
+ stop_progress_meter();
if (close(fd) < 0 && !haderr)
haderr = errno;
if (!haderr)
- (void) atomicio(write, remout, "", 1);
+ (void) atomicio(vwrite, remout, "", 1);
else
run_err("%s: %s", name, strerror(haderr));
(void) response();
}
void
-rsource(name, statp)
- char *name;
- struct stat *statp;
+rsource(char *name, struct stat *statp)
{
DIR *dirp;
struct dirent *dp;
(void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n",
(u_long) statp->st_mtime,
(u_long) statp->st_atime);
- (void) atomicio(write, remout, path, strlen(path));
+ (void) atomicio(vwrite, remout, path, strlen(path));
if (response() < 0) {
closedir(dirp);
return;
(u_int) (statp->st_mode & FILEMODEMASK), 0, last);
if (verbose_mode)
fprintf(stderr, "Entering directory: %s", path);
- (void) atomicio(write, remout, path, strlen(path));
+ (void) atomicio(vwrite, remout, path, strlen(path));
if (response() < 0) {
closedir(dirp);
return;
source(1, vect);
}
(void) closedir(dirp);
- (void) atomicio(write, remout, "E\n", 2);
+ (void) atomicio(vwrite, remout, "E\n", 2);
(void) response();
}
void
-sink(argc, argv)
- int argc;
- char *argv[];
+bwlimit(int amount)
+{
+ static struct timeval bwstart, bwend;
+ static int lamt, thresh = 16384;
+ u_int64_t waitlen;
+ struct timespec ts, rm;
+
+ if (!timerisset(&bwstart)) {
+ gettimeofday(&bwstart, NULL);
+ return;
+ }
+
+ lamt += amount;
+ if (lamt < thresh)
+ return;
+
+ gettimeofday(&bwend, NULL);
+ timersub(&bwend, &bwstart, &bwend);
+ if (!timerisset(&bwend))
+ return;
+
+ lamt *= 8;
+ waitlen = (double)1000000L * lamt / limit_rate;
+
+ bwstart.tv_sec = waitlen / 1000000L;
+ bwstart.tv_usec = waitlen % 1000000L;
+
+ if (timercmp(&bwstart, &bwend, >)) {
+ timersub(&bwstart, &bwend, &bwend);
+
+ /* Adjust the wait time */
+ if (bwend.tv_sec) {
+ thresh /= 2;
+ if (thresh < 2048)
+ thresh = 2048;
+ } else if (bwend.tv_usec < 100) {
+ thresh *= 2;
+ if (thresh > 32768)
+ thresh = 32768;
+ }
+
+ TIMEVAL_TO_TIMESPEC(&bwend, &ts);
+ while (nanosleep(&ts, &rm) == -1) {
+ if (errno != EINTR)
+ break;
+ ts = rm;
+ }
+ }
+
+ lamt = 0;
+ gettimeofday(&bwstart, NULL);
+}
+
+void
+sink(int argc, char **argv)
{
static BUF buffer;
struct stat stb;
YES, NO, DISPLAYED
} wrerr;
BUF *bp;
- off_t i, j;
- int amt, count, exists, first, mask, mode, ofd, omode;
- off_t size;
+ off_t i;
+ size_t j, count;
+ int amt, exists, first, mask, mode, ofd, omode;
+ off_t size, statbytes;
int setimes, targisdir, wrerrno = 0;
- char ch, *cp, *np, *targ, *why, *vect[1], buf[2048];
+ char ch, *cp, *np, *targ, *why, *vect[1], buf[16384];
struct timeval tv[2];
#define atime tv[0]
#define mtime tv[1]
-#define SCREWUP(str) do { why = str; goto screwup; } while (0)
+#define SCREWUP(str) { why = str; goto screwup; }
setimes = targisdir = 0;
mask = umask(0);
if (targetshouldbedirectory)
verifydir(targ);
- (void) atomicio(write, remout, "", 1);
+ (void) atomicio(vwrite, remout, "", 1);
if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode))
targisdir = 1;
for (first = 1;; first = 0) {
cp = buf;
- if (atomicio(read, remin, cp, 1) <= 0)
+ if (atomicio(read, remin, cp, 1) != 1)
return;
if (*cp++ == '\n')
SCREWUP("unexpected <newline>");
*cp++ = ch;
} while (cp < &buf[sizeof(buf) - 1] && ch != '\n');
*cp = 0;
+ if (verbose_mode)
+ fprintf(stderr, "Sink: %s", buf);
if (buf[0] == '\01' || buf[0] == '\02') {
if (iamremote == 0)
- (void) atomicio(write, STDERR_FILENO,
+ (void) atomicio(vwrite, STDERR_FILENO,
buf + 1, strlen(buf + 1));
if (buf[0] == '\02')
exit(1);
continue;
}
if (buf[0] == 'E') {
- (void) atomicio(write, remout, "", 1);
+ (void) atomicio(vwrite, remout, "", 1);
return;
}
if (ch == '\n')
atime.tv_usec = strtol(cp, &cp, 10);
if (!cp || *cp++ != '\0')
SCREWUP("atime.usec not delimited");
- (void) atomicio(write, remout, "", 1);
+ (void) atomicio(vwrite, remout, "", 1);
continue;
}
if (*cp != 'C' && *cp != 'D') {
size = size * 10 + (*cp++ - '0');
if (*cp++ != ' ')
SCREWUP("size not delimited");
+ if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) {
+ run_err("error: unexpected filename: %s", cp);
+ exit(1);
+ }
if (targisdir) {
static char *namebuf;
- static int cursize;
+ static size_t cursize;
size_t need;
need = strlen(targ) + strlen(cp) + 250;
cursize = need;
}
(void) snprintf(namebuf, need, "%s%s%s", targ,
- *targ ? "/" : "", cp);
+ strcmp(targ, "/") ? "/" : "", cp);
np = namebuf;
} else
np = targ;
exists = stat(np, &stb) == 0;
if (buf[0] == 'D') {
int mod_flag = pflag;
+ if (!iamrecursive)
+ SCREWUP("received directory without -r");
if (exists) {
if (!S_ISDIR(stb.st_mode)) {
errno = ENOTDIR;
bad: run_err("%s: %s", np, strerror(errno));
continue;
}
- (void) atomicio(write, remout, "", 1);
- if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) {
+ (void) atomicio(vwrite, remout, "", 1);
+ if ((bp = allocbuf(&buffer, ofd, sizeof(buf))) == NULL) {
(void) close(ofd);
continue;
}
cp = bp->buf;
wrerr = NO;
- if (showprogress) {
- totalbytes = size;
- progressmeter(-1);
- }
statbytes = 0;
- for (count = i = 0; i < size; i += 4096) {
- amt = 4096;
+ if (showprogress)
+ start_progress_meter(curfile, size, &statbytes);
+ for (count = i = 0; i < size; i += sizeof(buf)) {
+ amt = sizeof(buf);
if (i + amt > size)
amt = size - i;
count += amt;
do {
- j = read(remin, cp, amt);
- if (j == -1 && (errno == EINTR ||
- errno == EAGAIN)) {
- continue;
- } else if (j <= 0) {
+ j = atomicio(read, remin, cp, amt);
+ if (j == 0) {
run_err("%s", j ? strerror(errno) :
"dropped connection");
exit(1);
cp += j;
statbytes += j;
} while (amt > 0);
+
+ if (limit_rate)
+ bwlimit(sizeof(buf));
+
if (count == bp->cnt) {
/* Keep reading so we stay sync'd up. */
if (wrerr == NO) {
- j = atomicio(write, ofd, bp->buf, count);
- if (j != count) {
+ if (atomicio(vwrite, ofd, bp->buf,
+ count) != count) {
wrerr = YES;
- wrerrno = j >= 0 ? EIO : errno;
+ wrerrno = errno;
}
}
count = 0;
}
}
if (showprogress)
- progressmeter(1);
+ stop_progress_meter();
if (count != 0 && wrerr == NO &&
- (j = atomicio(write, ofd, bp->buf, count)) != count) {
+ atomicio(vwrite, ofd, bp->buf, count) != count) {
wrerr = YES;
- wrerrno = j >= 0 ? EIO : errno;
+ wrerrno = errno;
}
- if (ftruncate(ofd, size)) {
+ if (wrerr == NO && ftruncate(ofd, size) != 0) {
run_err("%s: truncate: %s", np, strerror(errno));
wrerr = DISPLAYED;
}
if (pflag) {
if (exists || omode != mode)
#ifdef HAVE_FCHMOD
- if (fchmod(ofd, omode))
+ if (fchmod(ofd, omode)) {
#else /* HAVE_FCHMOD */
- if (chmod(np, omode))
+ if (chmod(np, omode)) {
#endif /* HAVE_FCHMOD */
run_err("%s: set mode: %s",
np, strerror(errno));
+ wrerr = DISPLAYED;
+ }
} else {
if (!exists && omode != mode)
#ifdef HAVE_FCHMOD
- if (fchmod(ofd, omode & ~mask))
+ if (fchmod(ofd, omode & ~mask)) {
#else /* HAVE_FCHMOD */
- if (chmod(np, omode & ~mask))
+ if (chmod(np, omode & ~mask)) {
#endif /* HAVE_FCHMOD */
run_err("%s: set mode: %s",
np, strerror(errno));
+ wrerr = DISPLAYED;
+ }
}
if (close(ofd) == -1) {
wrerr = YES;
run_err("%s: %s", np, strerror(wrerrno));
break;
case NO:
- (void) atomicio(write, remout, "", 1);
+ (void) atomicio(vwrite, remout, "", 1);
break;
case DISPLAYED:
break;
}
int
-response()
+response(void)
{
char ch, *cp, resp, rbuf[2048];
} while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n');
if (!iamremote)
- (void) atomicio(write, STDERR_FILENO, rbuf, cp - rbuf);
+ (void) atomicio(vwrite, STDERR_FILENO, rbuf, cp - rbuf);
++errs;
if (resp == 1)
return (-1);
}
void
-usage()
+usage(void)
{
(void) fprintf(stderr,
- "usage: scp [-pqrvBC46] [-F config] [-S ssh] [-P port] [-c cipher] [-i identity]\n"
- " [-o option] f1 f2\n"
- " or: scp [options] f1 ... fn directory\n");
+ "usage: scp [-1246BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]\n"
+ " [-l limit] [-o ssh_option] [-P port] [-w buffer size] [-S program]\n"
+ " [[user@]host1:]file1 [...] [[user@]host2:]file2\n");
exit(1);
}
}
void
-verifydir(cp)
- char *cp;
+verifydir(char *cp)
{
struct stat stb;
errno = ENOTDIR;
}
run_err("%s: %s", cp, strerror(errno));
- exit(1);
+ killchild(0);
}
int
-okname(cp0)
- char *cp0;
+okname(char *cp0)
{
int c;
char *cp;
c = (int)*cp;
if (c & 0200)
goto bad;
- if (!isalpha(c) && !isdigit(c) &&
- c != '_' && c != '-' && c != '.' && c != '+')
- goto bad;
+ if (!isalpha(c) && !isdigit(c)) {
+ switch (c) {
+ case '\'':
+ case '"':
+ case '`':
+ case ' ':
+ case '#':
+ goto bad;
+ default:
+ break;
+ }
+ }
} while (*++cp);
return (1);
}
BUF *
-allocbuf(bp, fd, blksize)
- BUF *bp;
- int fd, blksize;
+allocbuf(BUF *bp, int fd, int blksize)
{
size_t size;
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
run_err("fstat: %s", strerror(errno));
return (0);
}
- if (stb.st_blksize == 0)
+ size = roundup(stb.st_blksize, blksize);
+ if (size == 0)
size = blksize;
- else
- size = blksize + (stb.st_blksize - blksize % stb.st_blksize) %
- stb.st_blksize;
#else /* HAVE_STRUCT_STAT_ST_BLKSIZE */
size = blksize;
#endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */
}
void
-lostconn(signo)
- int signo;
+lostconn(int signo)
{
if (!iamremote)
write(STDERR_FILENO, "lost connection\n", 16);
else
exit(1);
}
-
-static void
-updateprogressmeter(int ignore)
-{
- int save_errno = errno;
-
- progressmeter(0);
- signal(SIGALRM, updateprogressmeter);
- alarm(PROGRESSTIME);
- errno = save_errno;
-}
-
-static int
-foregroundproc(void)
-{
- static pid_t pgrp = -1;
- int ctty_pgrp;
-
- if (pgrp == -1)
- pgrp = getpgrp();
-
-#ifdef HAVE_TCGETPGRP
- return ((ctty_pgrp = tcgetpgrp(STDOUT_FILENO)) != -1 &&
- ctty_pgrp == pgrp);
-#else
- return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
- ctty_pgrp == pgrp));
-#endif
-}
-
-void
-progressmeter(int flag)
-{
- static const char prefixes[] = " KMGTP";
- static struct timeval lastupdate;
- static off_t lastsize;
- struct timeval now, td, wait;
- off_t cursize, abbrevsize;
- double elapsed;
- int ratio, barlength, i, remaining;
- char buf[256];
-
- if (flag == -1) {
- (void) gettimeofday(&start, (struct timezone *) 0);
- lastupdate = start;
- lastsize = 0;
- }
- if (foregroundproc() == 0)
- return;
-
- (void) gettimeofday(&now, (struct timezone *) 0);
- cursize = statbytes;
- if (totalbytes != 0) {
- ratio = 100.0 * cursize / totalbytes;
- ratio = MAX(ratio, 0);
- ratio = MIN(ratio, 100);
- } else
- ratio = 100;
-
- snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio);
-
- barlength = getttywidth() - 51;
- barlength = (barlength <= MAX_BARLENGTH)?barlength:MAX_BARLENGTH;
- if (barlength > 0) {
- i = barlength * ratio / 100;
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- "|%.*s%*s|", i, BAR, barlength - i, "");
- }
- i = 0;
- abbrevsize = cursize;
- while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
- i++;
- abbrevsize >>= 10;
- }
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5lu %c%c ",
- (unsigned long) abbrevsize, prefixes[i],
- prefixes[i] == ' ' ? ' ' : 'B');
-
- timersub(&now, &lastupdate, &wait);
- if (cursize > lastsize) {
- lastupdate = now;
- lastsize = cursize;
- if (wait.tv_sec >= STALLTIME) {
- start.tv_sec += wait.tv_sec;
- start.tv_usec += wait.tv_usec;
- }
- wait.tv_sec = 0;
- }
- timersub(&now, &start, &td);
- elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
-
- if (flag != 1 &&
- (statbytes <= 0 || elapsed <= 0.0 || cursize > totalbytes)) {
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- " --:-- ETA");
- } else if (wait.tv_sec >= STALLTIME) {
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- " - stalled -");
- } else {
- if (flag != 1)
- remaining = (int)(totalbytes / (statbytes / elapsed) -
- elapsed);
- else
- remaining = elapsed;
-
- i = remaining / 3600;
- if (i)
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- "%2d:", i);
- else
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- " ");
- i = remaining % 3600;
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- "%02d:%02d%s", i / 60, i % 60,
- (flag != 1) ? " ETA" : " ");
- }
- atomicio(write, fileno(stdout), buf, strlen(buf));
-
- if (flag == -1) {
- mysignal(SIGALRM, updateprogressmeter);
- alarm(PROGRESSTIME);
- } else if (flag == 1) {
- alarm(0);
- atomicio(write, fileno(stdout), "\n", 1);
- statbytes = 0;
- }
-}
-
-int
-getttywidth(void)
-{
- struct winsize winsize;
-
- if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1)
- return (winsize.ws_col ? winsize.ws_col : 80);
- else
- return (80);
-}
andersk / gssapi-openssh.git / blobdiff