mirror of
https://github.com/clearml/dropbear
synced 2025-06-26 18:17:32 +00:00
Update to scp from OpenSSH portable 4.3p2
--HG-- extra : convert_revision : e2bccdd6ba49edd575b1d0272c7dfee5f9f7acf6
This commit is contained in:
Matt Johnston
parent
a7a5365af2
commit
3a5c4b68bb
@ -252,6 +252,8 @@ etc) slower (perhaps by 50%). Recommended for most small systems. */
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#define _PATH_TTY "/dev/tty"
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#define _PATH_CP "/bin/cp"
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/* Timeouts in seconds */
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#define SELECT_TIMEOUT 20
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@ -24,7 +24,7 @@
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*/
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#include "includes.h"
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/*RCSID("OpenBSD: progressmeter.c,v 1.15 2003/08/31 12:14:22 markus Exp ");*/
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/*RCSID("$OpenBSD: progressmeter.c,v 1.24 2005/06/07 13:25:23 jaredy Exp $");*/
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#include "progressmeter.h"
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#include "atomicio.h"
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@ -43,21 +43,26 @@ static int can_output(void);
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static void format_size(char *, int, off_t);
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static void format_rate(char *, int, off_t);
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/* window resizing */
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static void sig_winch(int);
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static void setscreensize(void);
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/* updates the progressmeter to reflect the current state of the transfer */
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void refresh_progress_meter(void);
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/* signal handler for updating the progress meter */
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static void update_progress_meter(int);
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static time_t start; /* start progress */
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static time_t last_update; /* last progress update */
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static char *file; /* name of the file being transferred */
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static off_t end_pos; /* ending position of transfer */
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static off_t cur_pos; /* transfer position as of last refresh */
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static time_t start; /* start progress */
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static time_t last_update; /* last progress update */
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static char *file; /* name of the file being transferred */
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static off_t end_pos; /* ending position of transfer */
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static off_t cur_pos; /* transfer position as of last refresh */
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static volatile off_t *counter; /* progress counter */
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static long stalled; /* how long we have been stalled */
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static int bytes_per_second; /* current speed in bytes per second */
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static int win_size; /* terminal window size */
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static long stalled; /* how long we have been stalled */
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static int bytes_per_second; /* current speed in bytes per second */
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static int win_size; /* terminal window size */
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static volatile sig_atomic_t win_resized; /* for window resizing */
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/* units for format_size */
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static const char unit[] = " KMGT";
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@ -81,8 +86,8 @@ format_rate(char *buf, int size, off_t bytes)
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bytes = (bytes + 512) / 1024;
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}
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snprintf(buf, size, "%3lld.%1lld%c%s",
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(int64_t) bytes / 100,
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(int64_t) (bytes + 5) / 10 % 10,
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(long long) (bytes + 5) / 100,
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(long long) (bytes + 5) / 10 % 10,
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unit[i],
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i ? "B" : " ");
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}
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@ -95,7 +100,7 @@ format_size(char *buf, int size, off_t bytes)
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for (i = 0; bytes >= 10000 && unit[i] != 'T'; i++)
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bytes = (bytes + 512) / 1024;
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snprintf(buf, size, "%4lld%c%s",
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(int64_t) bytes,
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(long long) bytes,
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unit[i],
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i ? "B" : " ");
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}
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@ -108,7 +113,7 @@ refresh_progress_meter(void)
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off_t transferred;
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double elapsed;
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int percent;
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int bytes_left;
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off_t bytes_left;
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int cur_speed;
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int hours, minutes, seconds;
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int i, len;
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@ -121,14 +126,18 @@ refresh_progress_meter(void)
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if (bytes_left > 0)
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elapsed = now - last_update;
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else
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else {
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elapsed = now - start;
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/* Calculate true total speed when done */
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transferred = end_pos;
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bytes_per_second = 0;
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}
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/* calculate speed */
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if (elapsed != 0)
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cur_speed = (transferred / elapsed);
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else
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cur_speed = 0;
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cur_speed = transferred;
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#define AGE_FACTOR 0.9
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if (bytes_per_second != 0) {
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@ -144,6 +153,8 @@ refresh_progress_meter(void)
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len = snprintf(buf, file_len + 1, "\r%s", file);
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if (len < 0)
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len = 0;
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if (len >= file_len + 1)
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len = file_len;
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for (i = len; i < file_len; i++ )
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buf[i] = ' ';
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buf[file_len] = '\0';
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@ -164,7 +175,7 @@ refresh_progress_meter(void)
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/* bandwidth usage */
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format_rate(buf + strlen(buf), win_size - strlen(buf),
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bytes_per_second);
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(off_t)bytes_per_second);
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strlcat(buf, "/s ", win_size);
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/* ETA */
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@ -201,7 +212,7 @@ refresh_progress_meter(void)
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strlcat(buf, " ", win_size);
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}
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atomicio(vwrite, STDOUT_FILENO, buf, win_size);
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atomicio(vwrite, STDOUT_FILENO, buf, win_size - 1);
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last_update = now;
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}
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@ -212,6 +223,10 @@ update_progress_meter(int ignore)
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save_errno = errno;
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if (win_resized) {
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setscreensize();
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win_resized = 0;
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}
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if (can_output())
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refresh_progress_meter();
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@ -221,32 +236,22 @@ update_progress_meter(int ignore)
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}
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void
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start_progress_meter(char *f, off_t filesize, off_t *stat)
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start_progress_meter(char *f, off_t filesize, off_t *ctr)
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{
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struct winsize winsize;
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start = last_update = time(NULL);
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file = f;
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end_pos = filesize;
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cur_pos = 0;
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counter = stat;
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counter = ctr;
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stalled = 0;
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bytes_per_second = 0;
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if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize) != -1 &&
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winsize.ws_col != 0) {
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if (winsize.ws_col > MAX_WINSIZE)
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win_size = MAX_WINSIZE;
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else
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win_size = winsize.ws_col;
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} else
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win_size = DEFAULT_WINSIZE;
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win_size += 1; /* trailing \0 */
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setscreensize();
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if (can_output())
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refresh_progress_meter();
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signal(SIGALRM, update_progress_meter);
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signal(SIGWINCH, sig_winch);
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alarm(UPDATE_INTERVAL);
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}
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@ -264,4 +269,26 @@ stop_progress_meter(void)
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atomicio(vwrite, STDOUT_FILENO, "\n", 1);
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}
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static void
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sig_winch(int sig)
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{
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win_resized = 1;
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}
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static void
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setscreensize(void)
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{
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struct winsize winsize;
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if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize) != -1 &&
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winsize.ws_col != 0) {
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if (winsize.ws_col > MAX_WINSIZE)
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win_size = MAX_WINSIZE;
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else
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win_size = winsize.ws_col;
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} else
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win_size = DEFAULT_WINSIZE;
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win_size += 1; /* trailing \0 */
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}
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#endif /* PROGRESS_METER */
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343
scp.c
343
scp.c
@ -71,40 +71,20 @@
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*/
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#include "includes.h"
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/*RCSID("$OpenBSD: scp.c,v 1.130 2006/01/31 10:35:43 djm Exp $");*/
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#include "atomicio.h"
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#include "compat.h"
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#include "scpmisc.h"
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#include "progressmeter.h"
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#define _PATH_CP "/bin/cp"
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#ifndef TIMEVAL_TO_TIMESPEC
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#define TIMEVAL_TO_TIMESPEC(tv, ts) { \
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(ts)->tv_sec = (tv)->tv_sec; \
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(ts)->tv_nsec = (tv)->tv_usec * 1000; \
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}
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#endif
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#ifndef timersub
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#define timersub(tvp, uvp, vvp) \
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do { \
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(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
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(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
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if ((vvp)->tv_usec < 0) { \
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(vvp)->tv_sec--; \
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(vvp)->tv_usec += 1000000; \
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} \
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} while (/* CONSTCOND */ 0)
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#endif /* timersub */
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void bwlimit(int);
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/* Struct for addargs */
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arglist args;
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/* Bandwidth limit */
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off_t limitbw = 0;
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off_t limit_rate = 0;
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/* Name of current file being transferred. */
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char *curfile;
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@ -112,10 +92,8 @@ char *curfile;
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/* This is set to non-zero to enable verbose mode. */
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int verbose_mode = 0;
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#ifdef PROGRESS_METER
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/* This is set to zero if the progressmeter is not desired. */
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int showprogress = 1;
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#endif
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/* This is the program to execute for the secured connection. ("ssh" or -S) */
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char *ssh_program = _PATH_SSH_PROGRAM;
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@ -126,10 +104,56 @@ pid_t do_cmd_pid = -1;
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static void
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killchild(int signo)
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{
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if (do_cmd_pid > 1)
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kill(do_cmd_pid, signo);
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if (do_cmd_pid > 1) {
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kill(do_cmd_pid, signo ? signo : SIGTERM);
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waitpid(do_cmd_pid, NULL, 0);
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}
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_exit(1);
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if (signo)
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_exit(1);
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exit(1);
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}
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static int
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do_local_cmd(arglist *a)
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{
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u_int i;
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int status;
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pid_t pid;
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if (a->num == 0)
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fatal("do_local_cmd: no arguments");
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if (verbose_mode) {
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fprintf(stderr, "Executing:");
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for (i = 0; i < a->num; i++)
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fprintf(stderr, " %s", a->list[i]);
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fprintf(stderr, "\n");
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}
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if ((pid = fork()) == -1)
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fatal("do_local_cmd: fork: %s", strerror(errno));
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if (pid == 0) {
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execvp(a->list[0], a->list);
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perror(a->list[0]);
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exit(1);
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}
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do_cmd_pid = pid;
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signal(SIGTERM, killchild);
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signal(SIGINT, killchild);
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signal(SIGHUP, killchild);
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while (waitpid(pid, &status, 0) == -1)
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if (errno != EINTR)
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fatal("do_local_cmd: waitpid: %s", strerror(errno));
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do_cmd_pid = -1;
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if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
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return (-1);
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return (0);
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}
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/*
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@ -156,11 +180,10 @@ do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc)
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pipe(reserved);
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/* Create a socket pair for communicating with ssh. */
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if (pipe(pin) < 0 || pipe(pout) < 0)
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{
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fprintf(stderr, "Fatal error: pipe: %s\n", strerror(errno));
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exit(1);
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}
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if (pipe(pin) < 0)
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fatal("pipe: %s", strerror(errno));
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if (pipe(pout) < 0)
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fatal("pipe: %s", strerror(errno));
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/* Free the reserved descriptors. */
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close(reserved[0]);
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@ -169,19 +192,20 @@ do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc)
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/* uClinux needs to build the args here before vforking,
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otherwise we do it later on. */
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#ifdef __uClinux__
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args.list[0] = ssh_program;
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if (remuser != NULL)
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addargs(&args, "-l%s", remuser);
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addargs(&args, "%s", host);
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addargs(&args, "%s", cmd);
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replacearg(&args, 0, "%s", ssh_program);
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if (remuser != NULL)
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addargs(&args, "-l%s", remuser);
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addargs(&args, "%s", host);
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addargs(&args, "%s", cmd);
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#endif /* __uClinux__ */
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/* Fork a child to execute the command on the remote host using ssh. */
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#ifdef __uClinux__
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#ifndef __uClinux__
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do_cmd_pid = vfork();
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#else
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do_cmd_pid = fork();
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#endif /* __uClinux__ */
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if (do_cmd_pid == 0) {
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/* Child. */
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close(pin[1]);
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@ -192,38 +216,39 @@ do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc)
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close(pout[1]);
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#ifndef __uClinux__
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args.list[0] = ssh_program;
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if (remuser != NULL) {
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addargs(&args, "-l");
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addargs(&args, "%s", remuser);
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}
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replacearg(&args, 0, "%s", ssh_program);
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if (remuser != NULL)
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addargs(&args, "-l%s", remuser);
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addargs(&args, "%s", host);
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addargs(&args, "%s", cmd);
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#endif
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#endif /* __uClinux__ */
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execvp(ssh_program, args.list);
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perror(ssh_program);
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exit(1);
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} else if (do_cmd_pid == -1) {
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fprintf(stderr, "Fatal error: fork: %s\n", strerror(errno));
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exit(1);
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fatal("fork: %s", strerror(errno));
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}
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#ifdef __uClinux__
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/* clean up command */
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/* pop cmd */
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xfree(args->list[--args->num]);
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args->list[args->num]=NULL;
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xfree(args->list[args->num-1]);
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args->list[args->num-1]=NULL;
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args->num--;
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/* pop host */
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xfree(args->list[--args->num-1]);
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args->list[args->num]=NULL;
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xfree(args->list[args->num-1]);
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args->list[args->num-1]=NULL;
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args->num--;
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/* pop user */
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if (remuser != NULL) {
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xfree(args->list[--args->num-1]);
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args->list[args->num]=NULL;
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xfree(args->list[args->num-1]);
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args->list[args->num-1]=NULL;
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args->num--;
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}
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#endif /* __uClinux__ */
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/* Parent. Close the other side, and return the local side. */
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close(pin[0]);
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*fdout = pin[1];
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@ -236,7 +261,7 @@ do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc)
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}
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typedef struct {
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int cnt;
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size_t cnt;
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char *buf;
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} BUF;
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@ -267,6 +292,7 @@ void usage(void);
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#if defined(DBMULTI_scp) && defined(DROPBEAR_MULTI)
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int scp_main(int argc, char **argv)
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#else
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int
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main(int argc, char **argv)
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#endif
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{
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@ -276,10 +302,15 @@ main(int argc, char **argv)
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extern char *optarg;
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extern int optind;
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/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
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sanitise_stdfd();
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memset(&args, '\0', sizeof(args));
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args.list = NULL;
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addargs(&args, "ssh"); /* overwritten with ssh_program */
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addargs(&args, "%s", ssh_program);
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addargs(&args, "-x");
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addargs(&args, "-oForwardAgent no");
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addargs(&args, "-oPermitLocalCommand no");
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addargs(&args, "-oClearAllForwardings yes");
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fflag = tflag = 0;
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@ -309,7 +340,7 @@ main(int argc, char **argv)
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speed = strtod(optarg, &endp);
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if (speed <= 0 || *endp != '\0')
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usage();
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limitbw = speed * 1024;
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limit_rate = speed * 1024;
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break;
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case 'p':
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pflag = 1;
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@ -326,6 +357,7 @@ main(int argc, char **argv)
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break;
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#ifdef PROGRESS_METER
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case 'q':
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addargs(&args, "-q");
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showprogress = 0;
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break;
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#endif
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@ -351,14 +383,11 @@ main(int argc, char **argv)
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argc -= optind;
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argv += optind;
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if ((pwd = getpwuid(userid = getuid())) == NULL) {
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fprintf(stderr, "unknown user %u", (u_int) userid);
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}
|
||||
if ((pwd = getpwuid(userid = getuid())) == NULL)
|
||||
fatal("unknown user %u", (u_int) userid);
|
||||
|
||||
#ifdef PROGRESS_METER
|
||||
if (!isatty(STDERR_FILENO))
|
||||
showprogress = 0;
|
||||
#endif
|
||||
|
||||
remin = STDIN_FILENO;
|
||||
remout = STDOUT_FILENO;
|
||||
@ -392,9 +421,9 @@ main(int argc, char **argv)
|
||||
if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */
|
||||
toremote(targ, argc, argv);
|
||||
else {
|
||||
tolocal(argc, argv); /* Dest is local host. */
|
||||
if (targetshouldbedirectory)
|
||||
verifydir(argv[argc - 1]);
|
||||
tolocal(argc, argv); /* Dest is local host. */
|
||||
}
|
||||
/*
|
||||
* Finally check the exit status of the ssh process, if one was forked
|
||||
@ -414,78 +443,76 @@ main(int argc, char **argv)
|
||||
}
|
||||
exit(errs != 0);
|
||||
}
|
||||
#endif /* DBMULTI stuff */
|
||||
#endif /* DBMULTI_scp stuff */
|
||||
|
||||
void
|
||||
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;
|
||||
arglist alist;
|
||||
|
||||
memset(&alist, '\0', sizeof(alist));
|
||||
alist.list = NULL;
|
||||
|
||||
*targ++ = 0;
|
||||
if (*targ == 0)
|
||||
targ = ".";
|
||||
|
||||
if ((thost = strrchr(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 {
|
||||
thost = argv[argc - 1];
|
||||
thost = arg;
|
||||
tuser = NULL;
|
||||
}
|
||||
|
||||
if (tuser != NULL && !okname(tuser)) {
|
||||
xfree(arg);
|
||||
return;
|
||||
}
|
||||
|
||||
for (i = 0; i < argc - 1; i++) {
|
||||
src = colon(argv[i]);
|
||||
if (src) { /* remote to remote */
|
||||
static char *ssh_options =
|
||||
"-x -o'ClearAllForwardings yes'";
|
||||
freeargs(&alist);
|
||||
addargs(&alist, "%s", ssh_program);
|
||||
if (verbose_mode)
|
||||
addargs(&alist, "-v");
|
||||
addargs(&alist, "-x");
|
||||
addargs(&alist, "-oClearAllForwardings yes");
|
||||
addargs(&alist, "-n");
|
||||
|
||||
*src++ = 0;
|
||||
if (*src == 0)
|
||||
src = ".";
|
||||
host = strrchr(argv[i], '@');
|
||||
len = strlen(ssh_program) + strlen(argv[i]) +
|
||||
strlen(src) + (tuser ? strlen(tuser) : 0) +
|
||||
strlen(thost) + strlen(targ) +
|
||||
strlen(ssh_options) + CMDNEEDS + 20;
|
||||
bp = xmalloc(len);
|
||||
|
||||
if (host) {
|
||||
*host++ = 0;
|
||||
host = cleanhostname(host);
|
||||
suser = argv[i];
|
||||
if (*suser == '\0')
|
||||
suser = pwd->pw_name;
|
||||
else if (!okname(suser)) {
|
||||
xfree(bp);
|
||||
else if (!okname(suser))
|
||||
continue;
|
||||
}
|
||||
if (tuser && !okname(tuser)) {
|
||||
xfree(bp);
|
||||
continue;
|
||||
}
|
||||
snprintf(bp, len,
|
||||
"%s%s %s -n "
|
||||
"-l %s %s %s %s '%s%s%s:%s'",
|
||||
ssh_program, verbose_mode ? " -v" : "",
|
||||
ssh_options, suser, host, cmd, src,
|
||||
tuser ? tuser : "", tuser ? "@" : "",
|
||||
thost, targ);
|
||||
addargs(&alist, "-l");
|
||||
addargs(&alist, "%s", suser);
|
||||
} else {
|
||||
host = cleanhostname(argv[i]);
|
||||
snprintf(bp, len,
|
||||
"exec %s%s %s -n %s "
|
||||
"%s %s '%s%s%s:%s'",
|
||||
ssh_program, verbose_mode ? " -v" : "",
|
||||
ssh_options, host, cmd, src,
|
||||
tuser ? tuser : "", tuser ? "@" : "",
|
||||
thost, targ);
|
||||
}
|
||||
if (verbose_mode)
|
||||
fprintf(stderr, "Executing: %s\n", bp);
|
||||
(void) system(bp);
|
||||
(void) xfree(bp);
|
||||
addargs(&alist, "%s", host);
|
||||
addargs(&alist, "%s", cmd);
|
||||
addargs(&alist, "%s", src);
|
||||
addargs(&alist, "%s%s%s:%s",
|
||||
tuser ? tuser : "", tuser ? "@" : "",
|
||||
thost, targ);
|
||||
if (do_local_cmd(&alist) != 0)
|
||||
errs = 1;
|
||||
} else { /* local to remote */
|
||||
if (remin == -1) {
|
||||
len = strlen(targ) + CMDNEEDS + 20;
|
||||
@ -509,20 +536,23 @@ tolocal(int argc, char **argv)
|
||||
{
|
||||
int i, len;
|
||||
char *bp, *host, *src, *suser;
|
||||
arglist alist;
|
||||
|
||||
memset(&alist, '\0', sizeof(alist));
|
||||
alist.list = NULL;
|
||||
|
||||
for (i = 0; i < argc - 1; i++) {
|
||||
if (!(src = colon(argv[i]))) { /* Local to local. */
|
||||
len = strlen(_PATH_CP) + strlen(argv[i]) +
|
||||
strlen(argv[argc - 1]) + 20;
|
||||
bp = xmalloc(len);
|
||||
(void) snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP,
|
||||
iamrecursive ? " -r" : "", pflag ? " -p" : "",
|
||||
argv[i], argv[argc - 1]);
|
||||
if (verbose_mode)
|
||||
fprintf(stderr, "Executing: %s\n", bp);
|
||||
if (system(bp))
|
||||
freeargs(&alist);
|
||||
addargs(&alist, "%s", _PATH_CP);
|
||||
if (iamrecursive)
|
||||
addargs(&alist, "-r");
|
||||
if (pflag)
|
||||
addargs(&alist, "-p");
|
||||
addargs(&alist, "%s", argv[i]);
|
||||
addargs(&alist, "%s", argv[argc-1]);
|
||||
if (do_local_cmd(&alist))
|
||||
++errs;
|
||||
(void) xfree(bp);
|
||||
continue;
|
||||
}
|
||||
*src++ = 0;
|
||||
@ -559,8 +589,9 @@ source(int argc, char **argv)
|
||||
struct stat stb;
|
||||
static BUF buffer;
|
||||
BUF *bp;
|
||||
off_t i, amt, result, statbytes;
|
||||
int fd, haderr, indx;
|
||||
off_t i, amt, statbytes;
|
||||
size_t result;
|
||||
int fd = -1, haderr, indx;
|
||||
char *last, *name, buf[2048];
|
||||
int len;
|
||||
|
||||
@ -614,7 +645,7 @@ syserr: run_err("%s: %s", name, strerror(errno));
|
||||
#define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO)
|
||||
snprintf(buf, sizeof buf, "C%04o %lld %s\n",
|
||||
(u_int) (stb.st_mode & FILEMODEMASK),
|
||||
(int64_t)stb.st_size, last);
|
||||
(long long)stb.st_size, last);
|
||||
if (verbose_mode) {
|
||||
fprintf(stderr, "Sending file modes: %s", buf);
|
||||
}
|
||||
@ -622,10 +653,13 @@ syserr: run_err("%s: %s", name, strerror(errno));
|
||||
if (response() < 0)
|
||||
goto next;
|
||||
if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) {
|
||||
next: (void) close(fd);
|
||||
next: if (fd != -1) {
|
||||
(void) close(fd);
|
||||
fd = -1;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
#ifdef PROGRESS_METER
|
||||
#if PROGRESS_METER
|
||||
if (showprogress)
|
||||
start_progress_meter(curfile, stb.st_size, &statbytes);
|
||||
#endif
|
||||
@ -637,17 +671,17 @@ next: (void) close(fd);
|
||||
if (!haderr) {
|
||||
result = atomicio(read, fd, bp->buf, amt);
|
||||
if (result != amt)
|
||||
haderr = result >= 0 ? EIO : errno;
|
||||
haderr = errno;
|
||||
}
|
||||
if (haderr)
|
||||
(void) atomicio(vwrite, remout, bp->buf, amt);
|
||||
else {
|
||||
result = atomicio(vwrite, remout, bp->buf, amt);
|
||||
if (result != amt)
|
||||
haderr = result >= 0 ? EIO : errno;
|
||||
haderr = errno;
|
||||
statbytes += result;
|
||||
}
|
||||
if (limitbw)
|
||||
if (limit_rate)
|
||||
bwlimit(amt);
|
||||
}
|
||||
#ifdef PROGRESS_METER
|
||||
@ -655,8 +689,11 @@ next: (void) close(fd);
|
||||
stop_progress_meter();
|
||||
#endif
|
||||
|
||||
if (close(fd) < 0 && !haderr)
|
||||
haderr = errno;
|
||||
if (fd != -1) {
|
||||
if (close(fd) < 0 && !haderr)
|
||||
haderr = errno;
|
||||
fd = -1;
|
||||
}
|
||||
if (!haderr)
|
||||
(void) atomicio(vwrite, remout, "", 1);
|
||||
else
|
||||
@ -723,7 +760,7 @@ bwlimit(int amount)
|
||||
{
|
||||
static struct timeval bwstart, bwend;
|
||||
static int lamt, thresh = 16384;
|
||||
uint64_t wait;
|
||||
u_int64_t waitlen;
|
||||
struct timespec ts, rm;
|
||||
|
||||
if (!timerisset(&bwstart)) {
|
||||
@ -741,10 +778,10 @@ bwlimit(int amount)
|
||||
return;
|
||||
|
||||
lamt *= 8;
|
||||
wait = (double)1000000L * lamt / limitbw;
|
||||
waitlen = (double)1000000L * lamt / limit_rate;
|
||||
|
||||
bwstart.tv_sec = wait / 1000000L;
|
||||
bwstart.tv_usec = wait % 1000000L;
|
||||
bwstart.tv_sec = waitlen / 1000000L;
|
||||
bwstart.tv_usec = waitlen % 1000000L;
|
||||
|
||||
if (timercmp(&bwstart, &bwend, >)) {
|
||||
timersub(&bwstart, &bwend, &bwend);
|
||||
@ -781,8 +818,9 @@ sink(int argc, char **argv)
|
||||
YES, NO, DISPLAYED
|
||||
} wrerr;
|
||||
BUF *bp;
|
||||
off_t i, j;
|
||||
int amt, count, exists, first, mask, mode, ofd, omode;
|
||||
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];
|
||||
@ -790,7 +828,7 @@ sink(int argc, char **argv)
|
||||
|
||||
#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);
|
||||
@ -809,7 +847,7 @@ sink(int argc, char **argv)
|
||||
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>");
|
||||
@ -819,6 +857,8 @@ sink(int argc, char **argv)
|
||||
*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)
|
||||
@ -882,9 +922,13 @@ sink(int argc, char **argv)
|
||||
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;
|
||||
@ -903,6 +947,8 @@ sink(int argc, char **argv)
|
||||
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;
|
||||
@ -956,11 +1002,8 @@ bad: run_err("%s: %s", np, strerror(errno));
|
||||
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);
|
||||
@ -969,17 +1012,17 @@ bad: run_err("%s: %s", np, strerror(errno));
|
||||
cp += j;
|
||||
statbytes += j;
|
||||
} while (amt > 0);
|
||||
|
||||
if (limitbw)
|
||||
|
||||
if (limit_rate)
|
||||
bwlimit(4096);
|
||||
|
||||
if (count == bp->cnt) {
|
||||
/* Keep reading so we stay sync'd up. */
|
||||
if (wrerr == NO) {
|
||||
j = atomicio(vwrite, 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;
|
||||
@ -991,9 +1034,9 @@ bad: run_err("%s: %s", np, strerror(errno));
|
||||
stop_progress_meter();
|
||||
#endif
|
||||
if (count != 0 && wrerr == NO &&
|
||||
(j = atomicio(vwrite, ofd, bp->buf, count)) != count) {
|
||||
atomicio(vwrite, ofd, bp->buf, count) != count) {
|
||||
wrerr = YES;
|
||||
wrerrno = j >= 0 ? EIO : errno;
|
||||
wrerrno = errno;
|
||||
}
|
||||
if (wrerr == NO && ftruncate(ofd, size) != 0) {
|
||||
run_err("%s: truncate: %s", np, strerror(errno));
|
||||
@ -1002,21 +1045,25 @@ bad: run_err("%s: %s", np, strerror(errno));
|
||||
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;
|
||||
@ -1084,8 +1131,8 @@ void
|
||||
usage(void)
|
||||
{
|
||||
(void) fprintf(stderr,
|
||||
"usage: scp [-pqrvBC1246] [-F config] [-S program] [-P port]\n"
|
||||
" [-c cipher] [-i identity] [-l limit] [-o option]\n"
|
||||
"usage: scp [-1246BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]\n"
|
||||
" [-l limit] [-o ssh_option] [-P port] [-S program]\n"
|
||||
" [[user@]host1:]file1 [...] [[user@]host2:]file2\n");
|
||||
exit(1);
|
||||
}
|
||||
@ -1126,7 +1173,7 @@ verifydir(char *cp)
|
||||
errno = ENOTDIR;
|
||||
}
|
||||
run_err("%s: %s", cp, strerror(errno));
|
||||
exit(1);
|
||||
killchild(0);
|
||||
}
|
||||
|
||||
int
|
||||
|
||||
95
scpmisc.c
95
scpmisc.c
@ -140,12 +140,15 @@ void
|
||||
addargs(arglist *args, char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
char buf[1024];
|
||||
int nalloc;
|
||||
char *cp;
|
||||
u_int nalloc;
|
||||
int r;
|
||||
|
||||
va_start(ap, fmt);
|
||||
vsnprintf(buf, sizeof(buf), fmt, ap);
|
||||
r = vasprintf(&cp, fmt, ap);
|
||||
va_end(ap);
|
||||
if (r == -1)
|
||||
fatal("addargs: argument too long");
|
||||
|
||||
nalloc = args->nalloc;
|
||||
if (args->list == NULL) {
|
||||
@ -156,6 +159,90 @@ addargs(arglist *args, char *fmt, ...)
|
||||
|
||||
args->list = xrealloc(args->list, nalloc * sizeof(char *));
|
||||
args->nalloc = nalloc;
|
||||
args->list[args->num++] = xstrdup(buf);
|
||||
args->list[args->num++] = cp;
|
||||
args->list[args->num] = NULL;
|
||||
}
|
||||
|
||||
void
|
||||
replacearg(arglist *args, u_int which, char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
char *cp;
|
||||
int r;
|
||||
|
||||
va_start(ap, fmt);
|
||||
r = vasprintf(&cp, fmt, ap);
|
||||
va_end(ap);
|
||||
if (r == -1)
|
||||
fatal("replacearg: argument too long");
|
||||
|
||||
if (which >= args->num)
|
||||
fatal("replacearg: tried to replace invalid arg %d >= %d",
|
||||
which, args->num);
|
||||
xfree(args->list[which]);
|
||||
args->list[which] = cp;
|
||||
}
|
||||
|
||||
void
|
||||
freeargs(arglist *args)
|
||||
{
|
||||
u_int i;
|
||||
|
||||
if (args->list != NULL) {
|
||||
for (i = 0; i < args->num; i++)
|
||||
xfree(args->list[i]);
|
||||
xfree(args->list);
|
||||
args->nalloc = args->num = 0;
|
||||
args->list = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* NB. duplicate __progname in case it is an alias for argv[0]
|
||||
* Otherwise it may get clobbered by setproctitle()
|
||||
*/
|
||||
char *ssh_get_progname(char *argv0)
|
||||
{
|
||||
char *p;
|
||||
|
||||
if (argv0 == NULL)
|
||||
return ("unknown"); /* XXX */
|
||||
p = strrchr(argv0, '/');
|
||||
if (p == NULL)
|
||||
p = argv0;
|
||||
else
|
||||
p++;
|
||||
|
||||
return (xstrdup(p));
|
||||
}
|
||||
|
||||
void fatal(char* fmt,...)
|
||||
{
|
||||
va_list args;
|
||||
va_start(args, fmt);
|
||||
vfprintf(stderr, fmt, args);
|
||||
va_end(args);
|
||||
exit(255);
|
||||
}
|
||||
|
||||
void
|
||||
sanitise_stdfd(void)
|
||||
{
|
||||
int nullfd, dupfd;
|
||||
|
||||
if ((nullfd = dupfd = open(_PATH_DEVNULL, O_RDWR)) == -1) {
|
||||
fprintf(stderr, "Couldn't open /dev/null: %s", strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
while (++dupfd <= 2) {
|
||||
/* Only clobber closed fds */
|
||||
if (fcntl(dupfd, F_GETFL, 0) >= 0)
|
||||
continue;
|
||||
if (dup2(nullfd, dupfd) == -1) {
|
||||
fprintf(stderr, "dup2: %s", strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
if (nullfd > 2)
|
||||
close(nullfd);
|
||||
}
|
||||
|
||||
@ -34,6 +34,8 @@ struct arglist {
|
||||
int nalloc;
|
||||
};
|
||||
void addargs(arglist *, char *, ...);
|
||||
void replacearg(arglist *, u_int, char *, ...);
|
||||
void freeargs(arglist *);
|
||||
|
||||
/* from xmalloc.h */
|
||||
void *xmalloc(size_t);
|
||||
@ -41,4 +43,6 @@ void *xrealloc(void *, size_t);
|
||||
void xfree(void *);
|
||||
char *xstrdup(const char *);
|
||||
|
||||
|
||||
char *ssh_get_progname(char *);
|
||||
void fatal(char* fmt,...);
|
||||
void sanitise_stdfd(void);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user