Deleted Added
full compact
scp.c (107857) scp.c (113911)
1/*
2 * scp - secure remote copy. This is basically patched BSD rcp which
3 * uses ssh to do the data transfer (instead of using rcmd).
4 *
5 * NOTE: This version should NOT be suid root. (This uses ssh to
6 * do the transfer and ssh has the necessary privileges.)
7 *
8 * 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi>
9 *
10 * As far as I am concerned, the code I have written for this software
11 * can be used freely for any purpose. Any derived versions of this
12 * software must be clearly marked as such, and if the derived work is
13 * incompatible with the protocol description in the RFC file, it must be
14 * called by a name other than "ssh" or "Secure Shell".
15 */
16/*
17 * Copyright (c) 1999 Theo de Raadt. All rights reserved.
18 * Copyright (c) 1999 Aaron Campbell. All rights reserved.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
30 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
31 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
32 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
33 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
34 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
38 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 */
40
41/*
42 * Parts from:
43 *
44 * Copyright (c) 1983, 1990, 1992, 1993, 1995
45 * The Regents of the University of California. All rights reserved.
46 *
47 * Redistribution and use in source and binary forms, with or without
48 * modification, are permitted provided that the following conditions
49 * are met:
50 * 1. Redistributions of source code must retain the above copyright
51 * notice, this list of conditions and the following disclaimer.
52 * 2. Redistributions in binary form must reproduce the above copyright
53 * notice, this list of conditions and the following disclaimer in the
54 * documentation and/or other materials provided with the distribution.
55 * 3. All advertising materials mentioning features or use of this software
56 * must display the following acknowledgement:
57 * This product includes software developed by the University of
58 * California, Berkeley and its contributors.
59 * 4. Neither the name of the University nor the names of its contributors
60 * may be used to endorse or promote products derived from this software
61 * without specific prior written permission.
62 *
63 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
64 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
65 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
66 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
67 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
68 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
69 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
70 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
71 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
72 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
73 * SUCH DAMAGE.
74 *
75 */
76
77#include "includes.h"
1/*
2 * scp - secure remote copy. This is basically patched BSD rcp which
3 * uses ssh to do the data transfer (instead of using rcmd).
4 *
5 * NOTE: This version should NOT be suid root. (This uses ssh to
6 * do the transfer and ssh has the necessary privileges.)
7 *
8 * 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi>
9 *
10 * As far as I am concerned, the code I have written for this software
11 * can be used freely for any purpose. Any derived versions of this
12 * software must be clearly marked as such, and if the derived work is
13 * incompatible with the protocol description in the RFC file, it must be
14 * called by a name other than "ssh" or "Secure Shell".
15 */
16/*
17 * Copyright (c) 1999 Theo de Raadt. All rights reserved.
18 * Copyright (c) 1999 Aaron Campbell. All rights reserved.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
30 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
31 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
32 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
33 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
34 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
38 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 */
40
41/*
42 * Parts from:
43 *
44 * Copyright (c) 1983, 1990, 1992, 1993, 1995
45 * The Regents of the University of California. All rights reserved.
46 *
47 * Redistribution and use in source and binary forms, with or without
48 * modification, are permitted provided that the following conditions
49 * are met:
50 * 1. Redistributions of source code must retain the above copyright
51 * notice, this list of conditions and the following disclaimer.
52 * 2. Redistributions in binary form must reproduce the above copyright
53 * notice, this list of conditions and the following disclaimer in the
54 * documentation and/or other materials provided with the distribution.
55 * 3. All advertising materials mentioning features or use of this software
56 * must display the following acknowledgement:
57 * This product includes software developed by the University of
58 * California, Berkeley and its contributors.
59 * 4. Neither the name of the University nor the names of its contributors
60 * may be used to endorse or promote products derived from this software
61 * without specific prior written permission.
62 *
63 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
64 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
65 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
66 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
67 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
68 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
69 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
70 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
71 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
72 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
73 * SUCH DAMAGE.
74 *
75 */
76
77#include "includes.h"
78RCSID("$OpenBSD: scp.c,v 1.91 2002/06/19 00:27:55 deraadt Exp $");
79RCSID("$FreeBSD: head/crypto/openssh/scp.c 107857 2002-12-14 13:38:49Z des $");
78RCSID("$OpenBSD: scp.c,v 1.102 2003/03/05 22:33:43 markus Exp $");
79RCSID("$FreeBSD: head/crypto/openssh/scp.c 113911 2003-04-23 17:13:13Z des $");
80
81#include "xmalloc.h"
82#include "atomicio.h"
83#include "pathnames.h"
84#include "log.h"
85#include "misc.h"
80
81#include "xmalloc.h"
82#include "atomicio.h"
83#include "pathnames.h"
84#include "log.h"
85#include "misc.h"
86#include "progressmeter.h"
86
87#ifdef HAVE___PROGNAME
88extern char *__progname;
89#else
90char *__progname;
91#endif
92
87
88#ifdef HAVE___PROGNAME
89extern char *__progname;
90#else
91char *__progname;
92#endif
93
93/* For progressmeter() -- number of seconds before xfer considered "stalled" */
94#define STALLTIME 5
95/* alarm() interval for updating progress meter */
96#define PROGRESSTIME 1
94void bwlimit(int);
97
95
98/* Visual statistics about files as they are transferred. */
99void progressmeter(int);
100
101/* Returns width of the terminal (for progress meter calculations). */
102int getttywidth(void);
103int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc);
104
105/* Struct for addargs */
106arglist args;
107
96/* Struct for addargs */
97arglist args;
98
108/* Time a transfer started. */
109static struct timeval start;
99/* Bandwidth limit */
100off_t limitbw = 0;
110
101
111/* Number of bytes of current file transferred so far. */
112volatile off_t statbytes;
113
114/* Total size of current file. */
115off_t totalbytes = 0;
116
117/* Name of current file being transferred. */
118char *curfile;
119
120/* This is set to non-zero to enable verbose mode. */
121int verbose_mode = 0;
122
123/* This is set to zero if the progressmeter is not desired. */
124int showprogress = 1;
125
126/* This is the program to execute for the secured connection. ("ssh" or -S) */
127char *ssh_program = _PATH_SSH_PROGRAM;
128
102/* Name of current file being transferred. */
103char *curfile;
104
105/* This is set to non-zero to enable verbose mode. */
106int verbose_mode = 0;
107
108/* This is set to zero if the progressmeter is not desired. */
109int showprogress = 1;
110
111/* This is the program to execute for the secured connection. ("ssh" or -S) */
112char *ssh_program = _PATH_SSH_PROGRAM;
113
114/* This is used to store the pid of ssh_program */
115pid_t do_cmd_pid;
116
129/*
130 * This function executes the given command as the specified user on the
131 * given host. This returns < 0 if execution fails, and >= 0 otherwise. This
132 * assigns the input and output file descriptors on success.
133 */
134
135int
136do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc)
137{
138 int pin[2], pout[2], reserved[2];
139
140 if (verbose_mode)
141 fprintf(stderr,
142 "Executing: program %s host %s, user %s, command %s\n",
143 ssh_program, host,
144 remuser ? remuser : "(unspecified)", cmd);
145
146 /*
147 * Reserve two descriptors so that the real pipes won't get
148 * descriptors 0 and 1 because that will screw up dup2 below.
149 */
150 pipe(reserved);
151
152 /* Create a socket pair for communicating with ssh. */
153 if (pipe(pin) < 0)
154 fatal("pipe: %s", strerror(errno));
155 if (pipe(pout) < 0)
156 fatal("pipe: %s", strerror(errno));
157
158 /* Free the reserved descriptors. */
159 close(reserved[0]);
160 close(reserved[1]);
161
162 /* For a child to execute the command on the remote host using ssh. */
117/*
118 * This function executes the given command as the specified user on the
119 * given host. This returns < 0 if execution fails, and >= 0 otherwise. This
120 * assigns the input and output file descriptors on success.
121 */
122
123int
124do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc)
125{
126 int pin[2], pout[2], reserved[2];
127
128 if (verbose_mode)
129 fprintf(stderr,
130 "Executing: program %s host %s, user %s, command %s\n",
131 ssh_program, host,
132 remuser ? remuser : "(unspecified)", cmd);
133
134 /*
135 * Reserve two descriptors so that the real pipes won't get
136 * descriptors 0 and 1 because that will screw up dup2 below.
137 */
138 pipe(reserved);
139
140 /* Create a socket pair for communicating with ssh. */
141 if (pipe(pin) < 0)
142 fatal("pipe: %s", strerror(errno));
143 if (pipe(pout) < 0)
144 fatal("pipe: %s", strerror(errno));
145
146 /* Free the reserved descriptors. */
147 close(reserved[0]);
148 close(reserved[1]);
149
150 /* For a child to execute the command on the remote host using ssh. */
163 if (fork() == 0) {
151 do_cmd_pid = fork();
152 if (do_cmd_pid == 0) {
164 /* Child. */
165 close(pin[1]);
166 close(pout[0]);
167 dup2(pin[0], 0);
168 dup2(pout[1], 1);
169 close(pin[0]);
170 close(pout[1]);
171
172 args.list[0] = ssh_program;
173 if (remuser != NULL)
174 addargs(&args, "-l%s", remuser);
175 addargs(&args, "%s", host);
176 addargs(&args, "%s", cmd);
177
178 execvp(ssh_program, args.list);
179 perror(ssh_program);
180 exit(1);
153 /* Child. */
154 close(pin[1]);
155 close(pout[0]);
156 dup2(pin[0], 0);
157 dup2(pout[1], 1);
158 close(pin[0]);
159 close(pout[1]);
160
161 args.list[0] = ssh_program;
162 if (remuser != NULL)
163 addargs(&args, "-l%s", remuser);
164 addargs(&args, "%s", host);
165 addargs(&args, "%s", cmd);
166
167 execvp(ssh_program, args.list);
168 perror(ssh_program);
169 exit(1);
170 } else if (do_cmd_pid == -1) {
171 fatal("fork: %s", strerror(errno));
181 }
182 /* Parent. Close the other side, and return the local side. */
183 close(pin[0]);
184 *fdout = pin[1];
185 close(pout[1]);
186 *fdin = pout[0];
187 return 0;
188}
189
190typedef struct {
191 int cnt;
192 char *buf;
193} BUF;
194
195BUF *allocbuf(BUF *, int, int);
196void lostconn(int);
197void nospace(void);
198int okname(char *);
199void run_err(const char *,...);
200void verifydir(char *);
201
202struct passwd *pwd;
203uid_t userid;
204int errs, remin, remout;
205int pflag, iamremote, iamrecursive, targetshouldbedirectory;
206
207#define CMDNEEDS 64
208char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */
209
210int response(void);
211void rsource(char *, struct stat *);
212void sink(int, char *[]);
213void source(int, char *[]);
214void tolocal(int, char *[]);
215void toremote(char *, int, char *[]);
216void usage(void);
217
218int
219main(argc, argv)
220 int argc;
221 char *argv[];
222{
172 }
173 /* Parent. Close the other side, and return the local side. */
174 close(pin[0]);
175 *fdout = pin[1];
176 close(pout[1]);
177 *fdin = pout[0];
178 return 0;
179}
180
181typedef struct {
182 int cnt;
183 char *buf;
184} BUF;
185
186BUF *allocbuf(BUF *, int, int);
187void lostconn(int);
188void nospace(void);
189int okname(char *);
190void run_err(const char *,...);
191void verifydir(char *);
192
193struct passwd *pwd;
194uid_t userid;
195int errs, remin, remout;
196int pflag, iamremote, iamrecursive, targetshouldbedirectory;
197
198#define CMDNEEDS 64
199char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */
200
201int response(void);
202void rsource(char *, struct stat *);
203void sink(int, char *[]);
204void source(int, char *[]);
205void tolocal(int, char *[]);
206void toremote(char *, int, char *[]);
207void usage(void);
208
209int
210main(argc, argv)
211 int argc;
212 char *argv[];
213{
223 int ch, fflag, tflag;
224 char *targ;
214 int ch, fflag, tflag, status;
215 double speed;
216 char *targ, *endp;
225 extern char *optarg;
226 extern int optind;
227
228 __progname = get_progname(argv[0]);
229
230 args.list = NULL;
231 addargs(&args, "ssh"); /* overwritten with ssh_program */
232 addargs(&args, "-x");
233 addargs(&args, "-oForwardAgent no");
234 addargs(&args, "-oClearAllForwardings yes");
235
236 fflag = tflag = 0;
217 extern char *optarg;
218 extern int optind;
219
220 __progname = get_progname(argv[0]);
221
222 args.list = NULL;
223 addargs(&args, "ssh"); /* overwritten with ssh_program */
224 addargs(&args, "-x");
225 addargs(&args, "-oForwardAgent no");
226 addargs(&args, "-oClearAllForwardings yes");
227
228 fflag = tflag = 0;
237 while ((ch = getopt(argc, argv, "dfprtvBCc:i:P:q46S:o:F:")) != -1)
229 while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246S:o:F:")) != -1)
238 switch (ch) {
239 /* User-visible flags. */
230 switch (ch) {
231 /* User-visible flags. */
232 case '1':
233 case '2':
240 case '4':
241 case '6':
242 case 'C':
243 addargs(&args, "-%c", ch);
244 break;
245 case 'o':
246 case 'c':
247 case 'i':
248 case 'F':
249 addargs(&args, "-%c%s", ch, optarg);
250 break;
251 case 'P':
252 addargs(&args, "-p%s", optarg);
253 break;
254 case 'B':
255 addargs(&args, "-oBatchmode yes");
256 break;
234 case '4':
235 case '6':
236 case 'C':
237 addargs(&args, "-%c", ch);
238 break;
239 case 'o':
240 case 'c':
241 case 'i':
242 case 'F':
243 addargs(&args, "-%c%s", ch, optarg);
244 break;
245 case 'P':
246 addargs(&args, "-p%s", optarg);
247 break;
248 case 'B':
249 addargs(&args, "-oBatchmode yes");
250 break;
251 case 'l':
252 speed = strtod(optarg, &endp);
253 if (speed <= 0 || *endp != '\0')
254 usage();
255 limitbw = speed * 1024;
256 break;
257 case 'p':
258 pflag = 1;
259 break;
260 case 'r':
261 iamrecursive = 1;
262 break;
263 case 'S':
264 ssh_program = xstrdup(optarg);
265 break;
266 case 'v':
267 addargs(&args, "-v");
268 verbose_mode = 1;
269 break;
270 case 'q':
271 showprogress = 0;
272 break;
273
274 /* Server options. */
275 case 'd':
276 targetshouldbedirectory = 1;
277 break;
278 case 'f': /* "from" */
279 iamremote = 1;
280 fflag = 1;
281 break;
282 case 't': /* "to" */
283 iamremote = 1;
284 tflag = 1;
285#ifdef HAVE_CYGWIN
286 setmode(0, O_BINARY);
287#endif
288 break;
289 default:
290 usage();
291 }
292 argc -= optind;
293 argv += optind;
294
295 if ((pwd = getpwuid(userid = getuid())) == NULL)
296 fatal("unknown user %d", (int) userid);
297
298 if (!isatty(STDERR_FILENO))
299 showprogress = 0;
300
301 remin = STDIN_FILENO;
302 remout = STDOUT_FILENO;
303
304 if (fflag) {
305 /* Follow "protocol", send data. */
306 (void) response();
307 source(argc, argv);
308 exit(errs != 0);
309 }
310 if (tflag) {
311 /* Receive data. */
312 sink(argc, argv);
313 exit(errs != 0);
314 }
315 if (argc < 2)
316 usage();
317 if (argc > 2)
318 targetshouldbedirectory = 1;
319
320 remin = remout = -1;
257 case 'p':
258 pflag = 1;
259 break;
260 case 'r':
261 iamrecursive = 1;
262 break;
263 case 'S':
264 ssh_program = xstrdup(optarg);
265 break;
266 case 'v':
267 addargs(&args, "-v");
268 verbose_mode = 1;
269 break;
270 case 'q':
271 showprogress = 0;
272 break;
273
274 /* Server options. */
275 case 'd':
276 targetshouldbedirectory = 1;
277 break;
278 case 'f': /* "from" */
279 iamremote = 1;
280 fflag = 1;
281 break;
282 case 't': /* "to" */
283 iamremote = 1;
284 tflag = 1;
285#ifdef HAVE_CYGWIN
286 setmode(0, O_BINARY);
287#endif
288 break;
289 default:
290 usage();
291 }
292 argc -= optind;
293 argv += optind;
294
295 if ((pwd = getpwuid(userid = getuid())) == NULL)
296 fatal("unknown user %d", (int) userid);
297
298 if (!isatty(STDERR_FILENO))
299 showprogress = 0;
300
301 remin = STDIN_FILENO;
302 remout = STDOUT_FILENO;
303
304 if (fflag) {
305 /* Follow "protocol", send data. */
306 (void) response();
307 source(argc, argv);
308 exit(errs != 0);
309 }
310 if (tflag) {
311 /* Receive data. */
312 sink(argc, argv);
313 exit(errs != 0);
314 }
315 if (argc < 2)
316 usage();
317 if (argc > 2)
318 targetshouldbedirectory = 1;
319
320 remin = remout = -1;
321 do_cmd_pid = -1;
321 /* Command to be executed on remote system using "ssh". */
322 (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s",
323 verbose_mode ? " -v" : "",
324 iamrecursive ? " -r" : "", pflag ? " -p" : "",
325 targetshouldbedirectory ? " -d" : "");
326
327 (void) signal(SIGPIPE, lostconn);
328
329 if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */
330 toremote(targ, argc, argv);
331 else {
332 tolocal(argc, argv); /* Dest is local host. */
333 if (targetshouldbedirectory)
334 verifydir(argv[argc - 1]);
335 }
322 /* Command to be executed on remote system using "ssh". */
323 (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s",
324 verbose_mode ? " -v" : "",
325 iamrecursive ? " -r" : "", pflag ? " -p" : "",
326 targetshouldbedirectory ? " -d" : "");
327
328 (void) signal(SIGPIPE, lostconn);
329
330 if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */
331 toremote(targ, argc, argv);
332 else {
333 tolocal(argc, argv); /* Dest is local host. */
334 if (targetshouldbedirectory)
335 verifydir(argv[argc - 1]);
336 }
337 /*
338 * Finally check the exit status of the ssh process, if one was forked
339 * and no error has occured yet
340 */
341 if (do_cmd_pid != -1 && errs == 0) {
342 if (remin != -1)
343 (void) close(remin);
344 if (remout != -1)
345 (void) close(remout);
346 if (waitpid(do_cmd_pid, &status, 0) == -1)
347 errs = 1;
348 else {
349 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
350 errs = 1;
351 }
352 }
336 exit(errs != 0);
337}
338
339void
340toremote(targ, argc, argv)
341 char *targ, *argv[];
342 int argc;
343{
344 int i, len;
345 char *bp, *host, *src, *suser, *thost, *tuser;
346
347 *targ++ = 0;
348 if (*targ == 0)
349 targ = ".";
350
353 exit(errs != 0);
354}
355
356void
357toremote(targ, argc, argv)
358 char *targ, *argv[];
359 int argc;
360{
361 int i, len;
362 char *bp, *host, *src, *suser, *thost, *tuser;
363
364 *targ++ = 0;
365 if (*targ == 0)
366 targ = ".";
367
351 if ((thost = strchr(argv[argc - 1], '@'))) {
368 if ((thost = strrchr(argv[argc - 1], '@'))) {
352 /* user@host */
353 *thost++ = 0;
354 tuser = argv[argc - 1];
355 if (*tuser == '\0')
356 tuser = NULL;
369 /* user@host */
370 *thost++ = 0;
371 tuser = argv[argc - 1];
372 if (*tuser == '\0')
373 tuser = NULL;
357 else if (!okname(tuser))
358 exit(1);
359 } else {
360 thost = argv[argc - 1];
361 tuser = NULL;
362 }
363
364 for (i = 0; i < argc - 1; i++) {
365 src = colon(argv[i]);
366 if (src) { /* remote to remote */
367 static char *ssh_options =
368 "-x -o'ClearAllForwardings yes'";
369 *src++ = 0;
370 if (*src == 0)
371 src = ".";
374 } else {
375 thost = argv[argc - 1];
376 tuser = NULL;
377 }
378
379 for (i = 0; i < argc - 1; i++) {
380 src = colon(argv[i]);
381 if (src) { /* remote to remote */
382 static char *ssh_options =
383 "-x -o'ClearAllForwardings yes'";
384 *src++ = 0;
385 if (*src == 0)
386 src = ".";
372 host = strchr(argv[i], '@');
387 host = strrchr(argv[i], '@');
373 len = strlen(ssh_program) + strlen(argv[i]) +
374 strlen(src) + (tuser ? strlen(tuser) : 0) +
375 strlen(thost) + strlen(targ) +
376 strlen(ssh_options) + CMDNEEDS + 20;
377 bp = xmalloc(len);
378 if (host) {
379 *host++ = 0;
380 host = cleanhostname(host);
381 suser = argv[i];
382 if (*suser == '\0')
383 suser = pwd->pw_name;
388 len = strlen(ssh_program) + strlen(argv[i]) +
389 strlen(src) + (tuser ? strlen(tuser) : 0) +
390 strlen(thost) + strlen(targ) +
391 strlen(ssh_options) + CMDNEEDS + 20;
392 bp = xmalloc(len);
393 if (host) {
394 *host++ = 0;
395 host = cleanhostname(host);
396 suser = argv[i];
397 if (*suser == '\0')
398 suser = pwd->pw_name;
384 else if (!okname(suser))
399 else if (!okname(suser)) {
400 xfree(bp);
385 continue;
401 continue;
402 }
403 if (tuser && !okname(tuser)) {
404 xfree(bp);
405 continue;
406 }
386 snprintf(bp, len,
387 "%s%s %s -n "
388 "-l %s %s %s %s '%s%s%s:%s'",
389 ssh_program, verbose_mode ? " -v" : "",
390 ssh_options, suser, host, cmd, src,
391 tuser ? tuser : "", tuser ? "@" : "",
392 thost, targ);
393 } else {
394 host = cleanhostname(argv[i]);
395 snprintf(bp, len,
396 "exec %s%s %s -n %s "
397 "%s %s '%s%s%s:%s'",
398 ssh_program, verbose_mode ? " -v" : "",
399 ssh_options, host, cmd, src,
400 tuser ? tuser : "", tuser ? "@" : "",
401 thost, targ);
402 }
403 if (verbose_mode)
404 fprintf(stderr, "Executing: %s\n", bp);
405 (void) system(bp);
406 (void) xfree(bp);
407 } else { /* local to remote */
408 if (remin == -1) {
409 len = strlen(targ) + CMDNEEDS + 20;
410 bp = xmalloc(len);
411 (void) snprintf(bp, len, "%s -t %s", cmd, targ);
412 host = cleanhostname(thost);
413 if (do_cmd(host, tuser, bp, &remin,
414 &remout, argc) < 0)
415 exit(1);
416 if (response() < 0)
417 exit(1);
418 (void) xfree(bp);
419 }
420 source(1, argv + i);
421 }
422 }
423}
424
425void
426tolocal(argc, argv)
427 int argc;
428 char *argv[];
429{
430 int i, len;
431 char *bp, *host, *src, *suser;
432
433 for (i = 0; i < argc - 1; i++) {
434 if (!(src = colon(argv[i]))) { /* Local to local. */
435 len = strlen(_PATH_CP) + strlen(argv[i]) +
436 strlen(argv[argc - 1]) + 20;
437 bp = xmalloc(len);
438 (void) snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP,
439 iamrecursive ? " -r" : "", pflag ? " -p" : "",
440 argv[i], argv[argc - 1]);
441 if (verbose_mode)
442 fprintf(stderr, "Executing: %s\n", bp);
443 if (system(bp))
444 ++errs;
445 (void) xfree(bp);
446 continue;
447 }
448 *src++ = 0;
449 if (*src == 0)
450 src = ".";
407 snprintf(bp, len,
408 "%s%s %s -n "
409 "-l %s %s %s %s '%s%s%s:%s'",
410 ssh_program, verbose_mode ? " -v" : "",
411 ssh_options, suser, host, cmd, src,
412 tuser ? tuser : "", tuser ? "@" : "",
413 thost, targ);
414 } else {
415 host = cleanhostname(argv[i]);
416 snprintf(bp, len,
417 "exec %s%s %s -n %s "
418 "%s %s '%s%s%s:%s'",
419 ssh_program, verbose_mode ? " -v" : "",
420 ssh_options, host, cmd, src,
421 tuser ? tuser : "", tuser ? "@" : "",
422 thost, targ);
423 }
424 if (verbose_mode)
425 fprintf(stderr, "Executing: %s\n", bp);
426 (void) system(bp);
427 (void) xfree(bp);
428 } else { /* local to remote */
429 if (remin == -1) {
430 len = strlen(targ) + CMDNEEDS + 20;
431 bp = xmalloc(len);
432 (void) snprintf(bp, len, "%s -t %s", cmd, targ);
433 host = cleanhostname(thost);
434 if (do_cmd(host, tuser, bp, &remin,
435 &remout, argc) < 0)
436 exit(1);
437 if (response() < 0)
438 exit(1);
439 (void) xfree(bp);
440 }
441 source(1, argv + i);
442 }
443 }
444}
445
446void
447tolocal(argc, argv)
448 int argc;
449 char *argv[];
450{
451 int i, len;
452 char *bp, *host, *src, *suser;
453
454 for (i = 0; i < argc - 1; i++) {
455 if (!(src = colon(argv[i]))) { /* Local to local. */
456 len = strlen(_PATH_CP) + strlen(argv[i]) +
457 strlen(argv[argc - 1]) + 20;
458 bp = xmalloc(len);
459 (void) snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP,
460 iamrecursive ? " -r" : "", pflag ? " -p" : "",
461 argv[i], argv[argc - 1]);
462 if (verbose_mode)
463 fprintf(stderr, "Executing: %s\n", bp);
464 if (system(bp))
465 ++errs;
466 (void) xfree(bp);
467 continue;
468 }
469 *src++ = 0;
470 if (*src == 0)
471 src = ".";
451 if ((host = strchr(argv[i], '@')) == NULL) {
472 if ((host = strrchr(argv[i], '@')) == NULL) {
452 host = argv[i];
453 suser = NULL;
454 } else {
455 *host++ = 0;
456 suser = argv[i];
457 if (*suser == '\0')
458 suser = pwd->pw_name;
473 host = argv[i];
474 suser = NULL;
475 } else {
476 *host++ = 0;
477 suser = argv[i];
478 if (*suser == '\0')
479 suser = pwd->pw_name;
459 else if (!okname(suser))
460 continue;
461 }
462 host = cleanhostname(host);
463 len = strlen(src) + CMDNEEDS + 20;
464 bp = xmalloc(len);
465 (void) snprintf(bp, len, "%s -f %s", cmd, src);
466 if (do_cmd(host, suser, bp, &remin, &remout, argc) < 0) {
467 (void) xfree(bp);
468 ++errs;
469 continue;
470 }
471 xfree(bp);
472 sink(1, argv + argc - 1);
473 (void) close(remin);
474 remin = remout = -1;
475 }
476}
477
478void
479source(argc, argv)
480 int argc;
481 char *argv[];
482{
483 struct stat stb;
484 static BUF buffer;
485 BUF *bp;
480 }
481 host = cleanhostname(host);
482 len = strlen(src) + CMDNEEDS + 20;
483 bp = xmalloc(len);
484 (void) snprintf(bp, len, "%s -f %s", cmd, src);
485 if (do_cmd(host, suser, bp, &remin, &remout, argc) < 0) {
486 (void) xfree(bp);
487 ++errs;
488 continue;
489 }
490 xfree(bp);
491 sink(1, argv + argc - 1);
492 (void) close(remin);
493 remin = remout = -1;
494 }
495}
496
497void
498source(argc, argv)
499 int argc;
500 char *argv[];
501{
502 struct stat stb;
503 static BUF buffer;
504 BUF *bp;
486 off_t i, amt, result;
505 off_t i, amt, result, statbytes;
487 int fd, haderr, indx;
488 char *last, *name, buf[2048];
489 int len;
490
491 for (indx = 0; indx < argc; ++indx) {
492 name = argv[indx];
493 statbytes = 0;
494 len = strlen(name);
495 while (len > 1 && name[len-1] == '/')
496 name[--len] = '\0';
497 if (strchr(name, '\n') != NULL) {
498 run_err("%s: skipping, filename contains a newline",
499 name);
500 goto next;
501 }
502 if ((fd = open(name, O_RDONLY, 0)) < 0)
503 goto syserr;
504 if (fstat(fd, &stb) < 0) {
505syserr: run_err("%s: %s", name, strerror(errno));
506 goto next;
507 }
508 switch (stb.st_mode & S_IFMT) {
509 case S_IFREG:
510 break;
511 case S_IFDIR:
512 if (iamrecursive) {
513 rsource(name, &stb);
514 goto next;
515 }
516 /* FALLTHROUGH */
517 default:
518 run_err("%s: not a regular file", name);
519 goto next;
520 }
521 if ((last = strrchr(name, '/')) == NULL)
522 last = name;
523 else
524 ++last;
525 curfile = last;
526 if (pflag) {
527 /*
528 * Make it compatible with possible future
529 * versions expecting microseconds.
530 */
531 (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n",
532 (u_long) stb.st_mtime,
533 (u_long) stb.st_atime);
534 (void) atomicio(write, remout, buf, strlen(buf));
535 if (response() < 0)
536 goto next;
537 }
538#define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO)
539#ifdef HAVE_LONG_LONG_INT
540 snprintf(buf, sizeof buf, "C%04o %lld %s\n",
541 (u_int) (stb.st_mode & FILEMODEMASK),
542 (long long)stb.st_size, last);
543#else
544 /* XXX: Handle integer overflow? */
545 snprintf(buf, sizeof buf, "C%04o %lu %s\n",
546 (u_int) (stb.st_mode & FILEMODEMASK),
547 (u_long) stb.st_size, last);
548#endif
549 if (verbose_mode) {
550 fprintf(stderr, "Sending file modes: %s", buf);
506 int fd, haderr, indx;
507 char *last, *name, buf[2048];
508 int len;
509
510 for (indx = 0; indx < argc; ++indx) {
511 name = argv[indx];
512 statbytes = 0;
513 len = strlen(name);
514 while (len > 1 && name[len-1] == '/')
515 name[--len] = '\0';
516 if (strchr(name, '\n') != NULL) {
517 run_err("%s: skipping, filename contains a newline",
518 name);
519 goto next;
520 }
521 if ((fd = open(name, O_RDONLY, 0)) < 0)
522 goto syserr;
523 if (fstat(fd, &stb) < 0) {
524syserr: run_err("%s: %s", name, strerror(errno));
525 goto next;
526 }
527 switch (stb.st_mode & S_IFMT) {
528 case S_IFREG:
529 break;
530 case S_IFDIR:
531 if (iamrecursive) {
532 rsource(name, &stb);
533 goto next;
534 }
535 /* FALLTHROUGH */
536 default:
537 run_err("%s: not a regular file", name);
538 goto next;
539 }
540 if ((last = strrchr(name, '/')) == NULL)
541 last = name;
542 else
543 ++last;
544 curfile = last;
545 if (pflag) {
546 /*
547 * Make it compatible with possible future
548 * versions expecting microseconds.
549 */
550 (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n",
551 (u_long) stb.st_mtime,
552 (u_long) stb.st_atime);
553 (void) atomicio(write, remout, buf, strlen(buf));
554 if (response() < 0)
555 goto next;
556 }
557#define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO)
558#ifdef HAVE_LONG_LONG_INT
559 snprintf(buf, sizeof buf, "C%04o %lld %s\n",
560 (u_int) (stb.st_mode & FILEMODEMASK),
561 (long long)stb.st_size, last);
562#else
563 /* XXX: Handle integer overflow? */
564 snprintf(buf, sizeof buf, "C%04o %lu %s\n",
565 (u_int) (stb.st_mode & FILEMODEMASK),
566 (u_long) stb.st_size, last);
567#endif
568 if (verbose_mode) {
569 fprintf(stderr, "Sending file modes: %s", buf);
551 fflush(stderr);
552 }
553 (void) atomicio(write, remout, buf, strlen(buf));
554 if (response() < 0)
555 goto next;
556 if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) {
557next: (void) close(fd);
558 continue;
559 }
570 }
571 (void) atomicio(write, remout, buf, strlen(buf));
572 if (response() < 0)
573 goto next;
574 if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) {
575next: (void) close(fd);
576 continue;
577 }
560 if (showprogress) {
561 totalbytes = stb.st_size;
562 progressmeter(-1);
563 }
578 if (showprogress)
579 start_progress_meter(curfile, stb.st_size, &statbytes);
564 /* Keep writing after an error so that we stay sync'd up. */
565 for (haderr = i = 0; i < stb.st_size; i += bp->cnt) {
566 amt = bp->cnt;
567 if (i + amt > stb.st_size)
568 amt = stb.st_size - i;
569 if (!haderr) {
570 result = atomicio(read, fd, bp->buf, amt);
571 if (result != amt)
572 haderr = result >= 0 ? EIO : errno;
573 }
574 if (haderr)
575 (void) atomicio(write, remout, bp->buf, amt);
576 else {
577 result = atomicio(write, remout, bp->buf, amt);
578 if (result != amt)
579 haderr = result >= 0 ? EIO : errno;
580 statbytes += result;
581 }
580 /* Keep writing after an error so that we stay sync'd up. */
581 for (haderr = i = 0; i < stb.st_size; i += bp->cnt) {
582 amt = bp->cnt;
583 if (i + amt > stb.st_size)
584 amt = stb.st_size - i;
585 if (!haderr) {
586 result = atomicio(read, fd, bp->buf, amt);
587 if (result != amt)
588 haderr = result >= 0 ? EIO : errno;
589 }
590 if (haderr)
591 (void) atomicio(write, remout, bp->buf, amt);
592 else {
593 result = atomicio(write, remout, bp->buf, amt);
594 if (result != amt)
595 haderr = result >= 0 ? EIO : errno;
596 statbytes += result;
597 }
598 if (limitbw)
599 bwlimit(amt);
582 }
583 if (showprogress)
600 }
601 if (showprogress)
584 progressmeter(1);
602 stop_progress_meter();
585
586 if (close(fd) < 0 && !haderr)
587 haderr = errno;
588 if (!haderr)
589 (void) atomicio(write, remout, "", 1);
590 else
591 run_err("%s: %s", name, strerror(haderr));
592 (void) response();
593 }
594}
595
596void
597rsource(name, statp)
598 char *name;
599 struct stat *statp;
600{
601 DIR *dirp;
602 struct dirent *dp;
603 char *last, *vect[1], path[1100];
604
605 if (!(dirp = opendir(name))) {
606 run_err("%s: %s", name, strerror(errno));
607 return;
608 }
609 last = strrchr(name, '/');
610 if (last == 0)
611 last = name;
612 else
613 last++;
614 if (pflag) {
615 (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n",
616 (u_long) statp->st_mtime,
617 (u_long) statp->st_atime);
618 (void) atomicio(write, remout, path, strlen(path));
619 if (response() < 0) {
620 closedir(dirp);
621 return;
622 }
623 }
624 (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n",
625 (u_int) (statp->st_mode & FILEMODEMASK), 0, last);
626 if (verbose_mode)
627 fprintf(stderr, "Entering directory: %s", path);
628 (void) atomicio(write, remout, path, strlen(path));
629 if (response() < 0) {
630 closedir(dirp);
631 return;
632 }
633 while ((dp = readdir(dirp)) != NULL) {
634 if (dp->d_ino == 0)
635 continue;
636 if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
637 continue;
638 if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) {
639 run_err("%s/%s: name too long", name, dp->d_name);
640 continue;
641 }
642 (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name);
643 vect[0] = path;
644 source(1, vect);
645 }
646 (void) closedir(dirp);
647 (void) atomicio(write, remout, "E\n", 2);
648 (void) response();
649}
650
651void
603
604 if (close(fd) < 0 && !haderr)
605 haderr = errno;
606 if (!haderr)
607 (void) atomicio(write, remout, "", 1);
608 else
609 run_err("%s: %s", name, strerror(haderr));
610 (void) response();
611 }
612}
613
614void
615rsource(name, statp)
616 char *name;
617 struct stat *statp;
618{
619 DIR *dirp;
620 struct dirent *dp;
621 char *last, *vect[1], path[1100];
622
623 if (!(dirp = opendir(name))) {
624 run_err("%s: %s", name, strerror(errno));
625 return;
626 }
627 last = strrchr(name, '/');
628 if (last == 0)
629 last = name;
630 else
631 last++;
632 if (pflag) {
633 (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n",
634 (u_long) statp->st_mtime,
635 (u_long) statp->st_atime);
636 (void) atomicio(write, remout, path, strlen(path));
637 if (response() < 0) {
638 closedir(dirp);
639 return;
640 }
641 }
642 (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n",
643 (u_int) (statp->st_mode & FILEMODEMASK), 0, last);
644 if (verbose_mode)
645 fprintf(stderr, "Entering directory: %s", path);
646 (void) atomicio(write, remout, path, strlen(path));
647 if (response() < 0) {
648 closedir(dirp);
649 return;
650 }
651 while ((dp = readdir(dirp)) != NULL) {
652 if (dp->d_ino == 0)
653 continue;
654 if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
655 continue;
656 if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) {
657 run_err("%s/%s: name too long", name, dp->d_name);
658 continue;
659 }
660 (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name);
661 vect[0] = path;
662 source(1, vect);
663 }
664 (void) closedir(dirp);
665 (void) atomicio(write, remout, "E\n", 2);
666 (void) response();
667}
668
669void
670bwlimit(int amount)
671{
672 static struct timeval bwstart, bwend;
673 static int lamt, thresh = 16384;
674 u_int64_t wait;
675 struct timespec ts, rm;
676
677 if (!timerisset(&bwstart)) {
678 gettimeofday(&bwstart, NULL);
679 return;
680 }
681
682 lamt += amount;
683 if (lamt < thresh)
684 return;
685
686 gettimeofday(&bwend, NULL);
687 timersub(&bwend, &bwstart, &bwend);
688 if (!timerisset(&bwend))
689 return;
690
691 lamt *= 8;
692 wait = (double)1000000L * lamt / limitbw;
693
694 bwstart.tv_sec = wait / 1000000L;
695 bwstart.tv_usec = wait % 1000000L;
696
697 if (timercmp(&bwstart, &bwend, >)) {
698 timersub(&bwstart, &bwend, &bwend);
699
700 /* Adjust the wait time */
701 if (bwend.tv_sec) {
702 thresh /= 2;
703 if (thresh < 2048)
704 thresh = 2048;
705 } else if (bwend.tv_usec < 100) {
706 thresh *= 2;
707 if (thresh > 32768)
708 thresh = 32768;
709 }
710
711 TIMEVAL_TO_TIMESPEC(&bwend, &ts);
712 while (nanosleep(&ts, &rm) == -1) {
713 if (errno != EINTR)
714 break;
715 ts = rm;
716 }
717 }
718
719 lamt = 0;
720 gettimeofday(&bwstart, NULL);
721}
722
723void
652sink(argc, argv)
653 int argc;
654 char *argv[];
655{
656 static BUF buffer;
657 struct stat stb;
658 enum {
659 YES, NO, DISPLAYED
660 } wrerr;
661 BUF *bp;
662 off_t i, j;
663 int amt, count, exists, first, mask, mode, ofd, omode;
724sink(argc, argv)
725 int argc;
726 char *argv[];
727{
728 static BUF buffer;
729 struct stat stb;
730 enum {
731 YES, NO, DISPLAYED
732 } wrerr;
733 BUF *bp;
734 off_t i, j;
735 int amt, count, exists, first, mask, mode, ofd, omode;
664 off_t size;
736 off_t size, statbytes;
665 int setimes, targisdir, wrerrno = 0;
666 char ch, *cp, *np, *targ, *why, *vect[1], buf[2048];
667 struct timeval tv[2];
668
669#define atime tv[0]
670#define mtime tv[1]
671#define SCREWUP(str) do { why = str; goto screwup; } while (0)
672
673 setimes = targisdir = 0;
674 mask = umask(0);
675 if (!pflag)
676 (void) umask(mask);
677 if (argc != 1) {
678 run_err("ambiguous target");
679 exit(1);
680 }
681 targ = *argv;
682 if (targetshouldbedirectory)
683 verifydir(targ);
684
685 (void) atomicio(write, remout, "", 1);
686 if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode))
687 targisdir = 1;
688 for (first = 1;; first = 0) {
689 cp = buf;
690 if (atomicio(read, remin, cp, 1) <= 0)
691 return;
692 if (*cp++ == '\n')
693 SCREWUP("unexpected <newline>");
694 do {
695 if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch))
696 SCREWUP("lost connection");
697 *cp++ = ch;
698 } while (cp < &buf[sizeof(buf) - 1] && ch != '\n');
699 *cp = 0;
700
701 if (buf[0] == '\01' || buf[0] == '\02') {
702 if (iamremote == 0)
703 (void) atomicio(write, STDERR_FILENO,
704 buf + 1, strlen(buf + 1));
705 if (buf[0] == '\02')
706 exit(1);
707 ++errs;
708 continue;
709 }
710 if (buf[0] == 'E') {
711 (void) atomicio(write, remout, "", 1);
712 return;
713 }
714 if (ch == '\n')
715 *--cp = 0;
716
717 cp = buf;
718 if (*cp == 'T') {
719 setimes++;
720 cp++;
721 mtime.tv_sec = strtol(cp, &cp, 10);
722 if (!cp || *cp++ != ' ')
723 SCREWUP("mtime.sec not delimited");
724 mtime.tv_usec = strtol(cp, &cp, 10);
725 if (!cp || *cp++ != ' ')
726 SCREWUP("mtime.usec not delimited");
727 atime.tv_sec = strtol(cp, &cp, 10);
728 if (!cp || *cp++ != ' ')
729 SCREWUP("atime.sec not delimited");
730 atime.tv_usec = strtol(cp, &cp, 10);
731 if (!cp || *cp++ != '\0')
732 SCREWUP("atime.usec not delimited");
733 (void) atomicio(write, remout, "", 1);
734 continue;
735 }
736 if (*cp != 'C' && *cp != 'D') {
737 /*
738 * Check for the case "rcp remote:foo\* local:bar".
739 * In this case, the line "No match." can be returned
740 * by the shell before the rcp command on the remote is
741 * executed so the ^Aerror_message convention isn't
742 * followed.
743 */
744 if (first) {
745 run_err("%s", cp);
746 exit(1);
747 }
748 SCREWUP("expected control record");
749 }
750 mode = 0;
751 for (++cp; cp < buf + 5; cp++) {
752 if (*cp < '0' || *cp > '7')
753 SCREWUP("bad mode");
754 mode = (mode << 3) | (*cp - '0');
755 }
756 if (*cp++ != ' ')
757 SCREWUP("mode not delimited");
758
759 for (size = 0; isdigit(*cp);)
760 size = size * 10 + (*cp++ - '0');
761 if (*cp++ != ' ')
762 SCREWUP("size not delimited");
763 if (targisdir) {
764 static char *namebuf;
765 static int cursize;
766 size_t need;
767
768 need = strlen(targ) + strlen(cp) + 250;
769 if (need > cursize) {
770 if (namebuf)
771 xfree(namebuf);
772 namebuf = xmalloc(need);
773 cursize = need;
774 }
775 (void) snprintf(namebuf, need, "%s%s%s", targ,
776 strcmp(targ, "/") ? "/" : "", cp);
777 np = namebuf;
778 } else
779 np = targ;
780 curfile = cp;
781 exists = stat(np, &stb) == 0;
782 if (buf[0] == 'D') {
783 int mod_flag = pflag;
784 if (exists) {
785 if (!S_ISDIR(stb.st_mode)) {
786 errno = ENOTDIR;
787 goto bad;
788 }
789 if (pflag)
790 (void) chmod(np, mode);
791 } else {
792 /* Handle copying from a read-only
793 directory */
794 mod_flag = 1;
795 if (mkdir(np, mode | S_IRWXU) < 0)
796 goto bad;
797 }
798 vect[0] = xstrdup(np);
799 sink(1, vect);
800 if (setimes) {
801 setimes = 0;
802 if (utimes(vect[0], tv) < 0)
803 run_err("%s: set times: %s",
804 vect[0], strerror(errno));
805 }
806 if (mod_flag)
807 (void) chmod(vect[0], mode);
808 if (vect[0])
809 xfree(vect[0]);
810 continue;
811 }
812 omode = mode;
813 mode |= S_IWRITE;
814 if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) {
815bad: run_err("%s: %s", np, strerror(errno));
816 continue;
817 }
818 (void) atomicio(write, remout, "", 1);
819 if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) {
820 (void) close(ofd);
821 continue;
822 }
823 cp = bp->buf;
824 wrerr = NO;
825
737 int setimes, targisdir, wrerrno = 0;
738 char ch, *cp, *np, *targ, *why, *vect[1], buf[2048];
739 struct timeval tv[2];
740
741#define atime tv[0]
742#define mtime tv[1]
743#define SCREWUP(str) do { why = str; goto screwup; } while (0)
744
745 setimes = targisdir = 0;
746 mask = umask(0);
747 if (!pflag)
748 (void) umask(mask);
749 if (argc != 1) {
750 run_err("ambiguous target");
751 exit(1);
752 }
753 targ = *argv;
754 if (targetshouldbedirectory)
755 verifydir(targ);
756
757 (void) atomicio(write, remout, "", 1);
758 if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode))
759 targisdir = 1;
760 for (first = 1;; first = 0) {
761 cp = buf;
762 if (atomicio(read, remin, cp, 1) <= 0)
763 return;
764 if (*cp++ == '\n')
765 SCREWUP("unexpected <newline>");
766 do {
767 if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch))
768 SCREWUP("lost connection");
769 *cp++ = ch;
770 } while (cp < &buf[sizeof(buf) - 1] && ch != '\n');
771 *cp = 0;
772
773 if (buf[0] == '\01' || buf[0] == '\02') {
774 if (iamremote == 0)
775 (void) atomicio(write, STDERR_FILENO,
776 buf + 1, strlen(buf + 1));
777 if (buf[0] == '\02')
778 exit(1);
779 ++errs;
780 continue;
781 }
782 if (buf[0] == 'E') {
783 (void) atomicio(write, remout, "", 1);
784 return;
785 }
786 if (ch == '\n')
787 *--cp = 0;
788
789 cp = buf;
790 if (*cp == 'T') {
791 setimes++;
792 cp++;
793 mtime.tv_sec = strtol(cp, &cp, 10);
794 if (!cp || *cp++ != ' ')
795 SCREWUP("mtime.sec not delimited");
796 mtime.tv_usec = strtol(cp, &cp, 10);
797 if (!cp || *cp++ != ' ')
798 SCREWUP("mtime.usec not delimited");
799 atime.tv_sec = strtol(cp, &cp, 10);
800 if (!cp || *cp++ != ' ')
801 SCREWUP("atime.sec not delimited");
802 atime.tv_usec = strtol(cp, &cp, 10);
803 if (!cp || *cp++ != '\0')
804 SCREWUP("atime.usec not delimited");
805 (void) atomicio(write, remout, "", 1);
806 continue;
807 }
808 if (*cp != 'C' && *cp != 'D') {
809 /*
810 * Check for the case "rcp remote:foo\* local:bar".
811 * In this case, the line "No match." can be returned
812 * by the shell before the rcp command on the remote is
813 * executed so the ^Aerror_message convention isn't
814 * followed.
815 */
816 if (first) {
817 run_err("%s", cp);
818 exit(1);
819 }
820 SCREWUP("expected control record");
821 }
822 mode = 0;
823 for (++cp; cp < buf + 5; cp++) {
824 if (*cp < '0' || *cp > '7')
825 SCREWUP("bad mode");
826 mode = (mode << 3) | (*cp - '0');
827 }
828 if (*cp++ != ' ')
829 SCREWUP("mode not delimited");
830
831 for (size = 0; isdigit(*cp);)
832 size = size * 10 + (*cp++ - '0');
833 if (*cp++ != ' ')
834 SCREWUP("size not delimited");
835 if (targisdir) {
836 static char *namebuf;
837 static int cursize;
838 size_t need;
839
840 need = strlen(targ) + strlen(cp) + 250;
841 if (need > cursize) {
842 if (namebuf)
843 xfree(namebuf);
844 namebuf = xmalloc(need);
845 cursize = need;
846 }
847 (void) snprintf(namebuf, need, "%s%s%s", targ,
848 strcmp(targ, "/") ? "/" : "", cp);
849 np = namebuf;
850 } else
851 np = targ;
852 curfile = cp;
853 exists = stat(np, &stb) == 0;
854 if (buf[0] == 'D') {
855 int mod_flag = pflag;
856 if (exists) {
857 if (!S_ISDIR(stb.st_mode)) {
858 errno = ENOTDIR;
859 goto bad;
860 }
861 if (pflag)
862 (void) chmod(np, mode);
863 } else {
864 /* Handle copying from a read-only
865 directory */
866 mod_flag = 1;
867 if (mkdir(np, mode | S_IRWXU) < 0)
868 goto bad;
869 }
870 vect[0] = xstrdup(np);
871 sink(1, vect);
872 if (setimes) {
873 setimes = 0;
874 if (utimes(vect[0], tv) < 0)
875 run_err("%s: set times: %s",
876 vect[0], strerror(errno));
877 }
878 if (mod_flag)
879 (void) chmod(vect[0], mode);
880 if (vect[0])
881 xfree(vect[0]);
882 continue;
883 }
884 omode = mode;
885 mode |= S_IWRITE;
886 if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) {
887bad: run_err("%s: %s", np, strerror(errno));
888 continue;
889 }
890 (void) atomicio(write, remout, "", 1);
891 if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) {
892 (void) close(ofd);
893 continue;
894 }
895 cp = bp->buf;
896 wrerr = NO;
897
826 if (showprogress) {
827 totalbytes = size;
828 progressmeter(-1);
829 }
830 statbytes = 0;
898 statbytes = 0;
899 if (showprogress)
900 start_progress_meter(curfile, size, &statbytes);
831 for (count = i = 0; i < size; i += 4096) {
832 amt = 4096;
833 if (i + amt > size)
834 amt = size - i;
835 count += amt;
836 do {
837 j = read(remin, cp, amt);
838 if (j == -1 && (errno == EINTR ||
839 errno == EAGAIN)) {
840 continue;
841 } else if (j <= 0) {
842 run_err("%s", j ? strerror(errno) :
843 "dropped connection");
844 exit(1);
845 }
846 amt -= j;
847 cp += j;
848 statbytes += j;
849 } while (amt > 0);
901 for (count = i = 0; i < size; i += 4096) {
902 amt = 4096;
903 if (i + amt > size)
904 amt = size - i;
905 count += amt;
906 do {
907 j = read(remin, cp, amt);
908 if (j == -1 && (errno == EINTR ||
909 errno == EAGAIN)) {
910 continue;
911 } else if (j <= 0) {
912 run_err("%s", j ? strerror(errno) :
913 "dropped connection");
914 exit(1);
915 }
916 amt -= j;
917 cp += j;
918 statbytes += j;
919 } while (amt > 0);
920
921 if (limitbw)
922 bwlimit(4096);
923
850 if (count == bp->cnt) {
851 /* Keep reading so we stay sync'd up. */
852 if (wrerr == NO) {
853 j = atomicio(write, ofd, bp->buf, count);
854 if (j != count) {
855 wrerr = YES;
856 wrerrno = j >= 0 ? EIO : errno;
857 }
858 }
859 count = 0;
860 cp = bp->buf;
861 }
862 }
863 if (showprogress)
924 if (count == bp->cnt) {
925 /* Keep reading so we stay sync'd up. */
926 if (wrerr == NO) {
927 j = atomicio(write, ofd, bp->buf, count);
928 if (j != count) {
929 wrerr = YES;
930 wrerrno = j >= 0 ? EIO : errno;
931 }
932 }
933 count = 0;
934 cp = bp->buf;
935 }
936 }
937 if (showprogress)
864 progressmeter(1);
938 stop_progress_meter();
865 if (count != 0 && wrerr == NO &&
866 (j = atomicio(write, ofd, bp->buf, count)) != count) {
867 wrerr = YES;
868 wrerrno = j >= 0 ? EIO : errno;
869 }
939 if (count != 0 && wrerr == NO &&
940 (j = atomicio(write, ofd, bp->buf, count)) != count) {
941 wrerr = YES;
942 wrerrno = j >= 0 ? EIO : errno;
943 }
870 if (ftruncate(ofd, size)) {
944 if (wrerr == NO && ftruncate(ofd, size) != 0) {
871 run_err("%s: truncate: %s", np, strerror(errno));
872 wrerr = DISPLAYED;
873 }
874 if (pflag) {
875 if (exists || omode != mode)
876#ifdef HAVE_FCHMOD
877 if (fchmod(ofd, omode))
878#else /* HAVE_FCHMOD */
879 if (chmod(np, omode))
880#endif /* HAVE_FCHMOD */
881 run_err("%s: set mode: %s",
882 np, strerror(errno));
883 } else {
884 if (!exists && omode != mode)
885#ifdef HAVE_FCHMOD
886 if (fchmod(ofd, omode & ~mask))
887#else /* HAVE_FCHMOD */
888 if (chmod(np, omode & ~mask))
889#endif /* HAVE_FCHMOD */
890 run_err("%s: set mode: %s",
891 np, strerror(errno));
892 }
893 if (close(ofd) == -1) {
894 wrerr = YES;
895 wrerrno = errno;
896 }
897 (void) response();
898 if (setimes && wrerr == NO) {
899 setimes = 0;
900 if (utimes(np, tv) < 0) {
901 run_err("%s: set times: %s",
902 np, strerror(errno));
903 wrerr = DISPLAYED;
904 }
905 }
906 switch (wrerr) {
907 case YES:
908 run_err("%s: %s", np, strerror(wrerrno));
909 break;
910 case NO:
911 (void) atomicio(write, remout, "", 1);
912 break;
913 case DISPLAYED:
914 break;
915 }
916 }
917screwup:
918 run_err("protocol error: %s", why);
919 exit(1);
920}
921
922int
923response(void)
924{
925 char ch, *cp, resp, rbuf[2048];
926
927 if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp))
928 lostconn(0);
929
930 cp = rbuf;
931 switch (resp) {
932 case 0: /* ok */
933 return (0);
934 default:
935 *cp++ = resp;
936 /* FALLTHROUGH */
937 case 1: /* error, followed by error msg */
938 case 2: /* fatal error, "" */
939 do {
940 if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch))
941 lostconn(0);
942 *cp++ = ch;
943 } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n');
944
945 if (!iamremote)
946 (void) atomicio(write, STDERR_FILENO, rbuf, cp - rbuf);
947 ++errs;
948 if (resp == 1)
949 return (-1);
950 exit(1);
951 }
952 /* NOTREACHED */
953}
954
955void
956usage(void)
957{
958 (void) fprintf(stderr,
945 run_err("%s: truncate: %s", np, strerror(errno));
946 wrerr = DISPLAYED;
947 }
948 if (pflag) {
949 if (exists || omode != mode)
950#ifdef HAVE_FCHMOD
951 if (fchmod(ofd, omode))
952#else /* HAVE_FCHMOD */
953 if (chmod(np, omode))
954#endif /* HAVE_FCHMOD */
955 run_err("%s: set mode: %s",
956 np, strerror(errno));
957 } else {
958 if (!exists && omode != mode)
959#ifdef HAVE_FCHMOD
960 if (fchmod(ofd, omode & ~mask))
961#else /* HAVE_FCHMOD */
962 if (chmod(np, omode & ~mask))
963#endif /* HAVE_FCHMOD */
964 run_err("%s: set mode: %s",
965 np, strerror(errno));
966 }
967 if (close(ofd) == -1) {
968 wrerr = YES;
969 wrerrno = errno;
970 }
971 (void) response();
972 if (setimes && wrerr == NO) {
973 setimes = 0;
974 if (utimes(np, tv) < 0) {
975 run_err("%s: set times: %s",
976 np, strerror(errno));
977 wrerr = DISPLAYED;
978 }
979 }
980 switch (wrerr) {
981 case YES:
982 run_err("%s: %s", np, strerror(wrerrno));
983 break;
984 case NO:
985 (void) atomicio(write, remout, "", 1);
986 break;
987 case DISPLAYED:
988 break;
989 }
990 }
991screwup:
992 run_err("protocol error: %s", why);
993 exit(1);
994}
995
996int
997response(void)
998{
999 char ch, *cp, resp, rbuf[2048];
1000
1001 if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp))
1002 lostconn(0);
1003
1004 cp = rbuf;
1005 switch (resp) {
1006 case 0: /* ok */
1007 return (0);
1008 default:
1009 *cp++ = resp;
1010 /* FALLTHROUGH */
1011 case 1: /* error, followed by error msg */
1012 case 2: /* fatal error, "" */
1013 do {
1014 if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch))
1015 lostconn(0);
1016 *cp++ = ch;
1017 } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n');
1018
1019 if (!iamremote)
1020 (void) atomicio(write, STDERR_FILENO, rbuf, cp - rbuf);
1021 ++errs;
1022 if (resp == 1)
1023 return (-1);
1024 exit(1);
1025 }
1026 /* NOTREACHED */
1027}
1028
1029void
1030usage(void)
1031{
1032 (void) fprintf(stderr,
959 "usage: scp [-pqrvBC46] [-F config] [-S program] [-P port]\n"
960 " [-c cipher] [-i identity] [-o option]\n"
1033 "usage: scp [-pqrvBC1246] [-F config] [-S program] [-P port]\n"
1034 " [-c cipher] [-i identity] [-l limit] [-o option]\n"
961 " [[user@]host1:]file1 [...] [[user@]host2:]file2\n");
962 exit(1);
963}
964
965void
966run_err(const char *fmt,...)
967{
968 static FILE *fp;
969 va_list ap;
970
971 ++errs;
972 if (fp == NULL && !(fp = fdopen(remout, "w")))
973 return;
974 (void) fprintf(fp, "%c", 0x01);
975 (void) fprintf(fp, "scp: ");
976 va_start(ap, fmt);
977 (void) vfprintf(fp, fmt, ap);
978 va_end(ap);
979 (void) fprintf(fp, "\n");
980 (void) fflush(fp);
981
982 if (!iamremote) {
983 va_start(ap, fmt);
984 vfprintf(stderr, fmt, ap);
985 va_end(ap);
986 fprintf(stderr, "\n");
987 }
988}
989
990void
991verifydir(cp)
992 char *cp;
993{
994 struct stat stb;
995
996 if (!stat(cp, &stb)) {
997 if (S_ISDIR(stb.st_mode))
998 return;
999 errno = ENOTDIR;
1000 }
1001 run_err("%s: %s", cp, strerror(errno));
1002 exit(1);
1003}
1004
1005int
1006okname(cp0)
1007 char *cp0;
1008{
1009 int c;
1010 char *cp;
1011
1012 cp = cp0;
1013 do {
1014 c = (int)*cp;
1015 if (c & 0200)
1016 goto bad;
1035 " [[user@]host1:]file1 [...] [[user@]host2:]file2\n");
1036 exit(1);
1037}
1038
1039void
1040run_err(const char *fmt,...)
1041{
1042 static FILE *fp;
1043 va_list ap;
1044
1045 ++errs;
1046 if (fp == NULL && !(fp = fdopen(remout, "w")))
1047 return;
1048 (void) fprintf(fp, "%c", 0x01);
1049 (void) fprintf(fp, "scp: ");
1050 va_start(ap, fmt);
1051 (void) vfprintf(fp, fmt, ap);
1052 va_end(ap);
1053 (void) fprintf(fp, "\n");
1054 (void) fflush(fp);
1055
1056 if (!iamremote) {
1057 va_start(ap, fmt);
1058 vfprintf(stderr, fmt, ap);
1059 va_end(ap);
1060 fprintf(stderr, "\n");
1061 }
1062}
1063
1064void
1065verifydir(cp)
1066 char *cp;
1067{
1068 struct stat stb;
1069
1070 if (!stat(cp, &stb)) {
1071 if (S_ISDIR(stb.st_mode))
1072 return;
1073 errno = ENOTDIR;
1074 }
1075 run_err("%s: %s", cp, strerror(errno));
1076 exit(1);
1077}
1078
1079int
1080okname(cp0)
1081 char *cp0;
1082{
1083 int c;
1084 char *cp;
1085
1086 cp = cp0;
1087 do {
1088 c = (int)*cp;
1089 if (c & 0200)
1090 goto bad;
1017 if (!isalpha(c) && !isdigit(c) &&
1018 c != '_' && c != '-' && c != '.' && c != '+')
1019 goto bad;
1091 if (!isalpha(c) && !isdigit(c)) {
1092 switch (c) {
1093 case '\'':
1094 case '"':
1095 case '`':
1096 case ' ':
1097 case '#':
1098 goto bad;
1099 default:
1100 break;
1101 }
1102 }
1020 } while (*++cp);
1021 return (1);
1022
1023bad: fprintf(stderr, "%s: invalid user name\n", cp0);
1024 return (0);
1025}
1026
1027BUF *
1028allocbuf(bp, fd, blksize)
1029 BUF *bp;
1030 int fd, blksize;
1031{
1032 size_t size;
1033#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
1034 struct stat stb;
1035
1036 if (fstat(fd, &stb) < 0) {
1037 run_err("fstat: %s", strerror(errno));
1038 return (0);
1039 }
1103 } while (*++cp);
1104 return (1);
1105
1106bad: fprintf(stderr, "%s: invalid user name\n", cp0);
1107 return (0);
1108}
1109
1110BUF *
1111allocbuf(bp, fd, blksize)
1112 BUF *bp;
1113 int fd, blksize;
1114{
1115 size_t size;
1116#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
1117 struct stat stb;
1118
1119 if (fstat(fd, &stb) < 0) {
1120 run_err("fstat: %s", strerror(errno));
1121 return (0);
1122 }
1040 if (stb.st_blksize == 0)
1123 size = roundup(stb.st_blksize, blksize);
1124 if (size == 0)
1041 size = blksize;
1125 size = blksize;
1042 else
1043 size = roundup(stb.st_blksize, blksize);
1044#else /* HAVE_STRUCT_STAT_ST_BLKSIZE */
1045 size = blksize;
1046#endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */
1047 if (bp->cnt >= size)
1048 return (bp);
1049 if (bp->buf == NULL)
1050 bp->buf = xmalloc(size);
1051 else
1052 bp->buf = xrealloc(bp->buf, size);
1053 memset(bp->buf, 0, size);
1054 bp->cnt = size;
1055 return (bp);
1056}
1057
1058void
1059lostconn(signo)
1060 int signo;
1061{
1062 if (!iamremote)
1063 write(STDERR_FILENO, "lost connection\n", 16);
1064 if (signo)
1065 _exit(1);
1066 else
1067 exit(1);
1068}
1126#else /* HAVE_STRUCT_STAT_ST_BLKSIZE */
1127 size = blksize;
1128#endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */
1129 if (bp->cnt >= size)
1130 return (bp);
1131 if (bp->buf == NULL)
1132 bp->buf = xmalloc(size);
1133 else
1134 bp->buf = xrealloc(bp->buf, size);
1135 memset(bp->buf, 0, size);
1136 bp->cnt = size;
1137 return (bp);
1138}
1139
1140void
1141lostconn(signo)
1142 int signo;
1143{
1144 if (!iamremote)
1145 write(STDERR_FILENO, "lost connection\n", 16);
1146 if (signo)
1147 _exit(1);
1148 else
1149 exit(1);
1150}
1069
1070static void
1071updateprogressmeter(int ignore)
1072{
1073 int save_errno = errno;
1074
1075 progressmeter(0);
1076 signal(SIGALRM, updateprogressmeter);
1077 alarm(PROGRESSTIME);
1078 errno = save_errno;
1079}
1080
1081static int
1082foregroundproc(void)
1083{
1084 static pid_t pgrp = -1;
1085 int ctty_pgrp;
1086
1087 if (pgrp == -1)
1088 pgrp = getpgrp();
1089
1090#ifdef HAVE_TCGETPGRP
1091 return ((ctty_pgrp = tcgetpgrp(STDOUT_FILENO)) != -1 &&
1092 ctty_pgrp == pgrp);
1093#else
1094 return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
1095 ctty_pgrp == pgrp));
1096#endif
1097}
1098
1099void
1100progressmeter(int flag)
1101{
1102 static const char prefixes[] = " KMGTP";
1103 static struct timeval lastupdate;
1104 static off_t lastsize;
1105 struct timeval now, td, wait;
1106 off_t cursize, abbrevsize;
1107 double elapsed;
1108 int ratio, barlength, i, remaining;
1109 char buf[512];
1110
1111 if (flag == -1) {
1112 (void) gettimeofday(&start, (struct timezone *) 0);
1113 lastupdate = start;
1114 lastsize = 0;
1115 }
1116 if (foregroundproc() == 0)
1117 return;
1118
1119 (void) gettimeofday(&now, (struct timezone *) 0);
1120 cursize = statbytes;
1121 if (totalbytes != 0) {
1122 ratio = 100.0 * cursize / totalbytes;
1123 ratio = MAX(ratio, 0);
1124 ratio = MIN(ratio, 100);
1125 } else
1126 ratio = 100;
1127
1128 snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio);
1129
1130 barlength = getttywidth() - 51;
1131 if (barlength > 0) {
1132 i = barlength * ratio / 100;
1133 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1134 "|%.*s%*s|", i,
1135 "*******************************************************"
1136 "*******************************************************"
1137 "*******************************************************"
1138 "*******************************************************"
1139 "*******************************************************"
1140 "*******************************************************"
1141 "*******************************************************",
1142 barlength - i, "");
1143 }
1144 i = 0;
1145 abbrevsize = cursize;
1146 while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
1147 i++;
1148 abbrevsize >>= 10;
1149 }
1150 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5lu %c%c ",
1151 (unsigned long) abbrevsize, prefixes[i],
1152 prefixes[i] == ' ' ? ' ' : 'B');
1153
1154 timersub(&now, &lastupdate, &wait);
1155 if (cursize > lastsize) {
1156 lastupdate = now;
1157 lastsize = cursize;
1158 if (wait.tv_sec >= STALLTIME) {
1159 start.tv_sec += wait.tv_sec;
1160 start.tv_usec += wait.tv_usec;
1161 }
1162 wait.tv_sec = 0;
1163 }
1164 timersub(&now, &start, &td);
1165 elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
1166
1167 if (flag != 1 &&
1168 (statbytes <= 0 || elapsed <= 0.0 || cursize > totalbytes)) {
1169 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1170 " --:-- ETA");
1171 } else if (wait.tv_sec >= STALLTIME) {
1172 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1173 " - stalled -");
1174 } else {
1175 if (flag != 1)
1176 remaining = (int)(totalbytes / (statbytes / elapsed) -
1177 elapsed);
1178 else
1179 remaining = elapsed;
1180
1181 i = remaining / 3600;
1182 if (i)
1183 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1184 "%2d:", i);
1185 else
1186 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1187 " ");
1188 i = remaining % 3600;
1189 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1190 "%02d:%02d%s", i / 60, i % 60,
1191 (flag != 1) ? " ETA" : " ");
1192 }
1193 atomicio(write, fileno(stdout), buf, strlen(buf));
1194
1195 if (flag == -1) {
1196 mysignal(SIGALRM, updateprogressmeter);
1197 alarm(PROGRESSTIME);
1198 } else if (flag == 1) {
1199 alarm(0);
1200 atomicio(write, fileno(stdout), "\n", 1);
1201 statbytes = 0;
1202 }
1203}
1204
1205int
1206getttywidth(void)
1207{
1208 struct winsize winsize;
1209
1210 if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1)
1211 return (winsize.ws_col ? winsize.ws_col : 80);
1212 else
1213 return (80);
1214}