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Commit | Line | Data |
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8efc0c15 | 1 | /* |
bcbf86ec | 2 | * scp - secure remote copy. This is basically patched BSD rcp which |
3 | * uses ssh to do the data transfer (instead of using rcmd). | |
6ae2364d | 4 | * |
bcbf86ec | 5 | * NOTE: This version should NOT be suid root. (This uses ssh to |
6 | * do the transfer and ssh has the necessary privileges.) | |
6ae2364d | 7 | * |
5260325f | 8 | * 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi> |
6ae2364d | 9 | * |
bcbf86ec | 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 | /* | |
f3c7c613 | 17 | * Copyright (c) 1999 Theo de Raadt. All rights reserved. |
18 | * Copyright (c) 1999 Aaron Campbell. All rights reserved. | |
bcbf86ec | 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 | */ | |
8efc0c15 | 40 | |
41 | /* | |
2e73a022 | 42 | * Parts from: |
43 | * | |
8efc0c15 | 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 | * | |
8efc0c15 | 75 | */ |
76 | ||
77 | #include "includes.h" | |
c3941fa6 | 78 | RCSID("$OpenBSD: scp.c,v 1.77 2001/07/18 16:45:52 mouring Exp $"); |
8efc0c15 | 79 | |
8efc0c15 | 80 | #include "xmalloc.h" |
42f11eb2 | 81 | #include "atomicio.h" |
82 | #include "pathnames.h" | |
83 | #include "log.h" | |
36a358ca | 84 | #include "misc.h" |
8efc0c15 | 85 | |
260d427b | 86 | #ifdef HAVE___PROGNAME |
87 | extern char *__progname; | |
88 | #else | |
89 | char *__progname; | |
90 | #endif | |
91 | ||
8efc0c15 | 92 | /* For progressmeter() -- number of seconds before xfer considered "stalled" */ |
93 | #define STALLTIME 5 | |
94 | ||
a4070484 | 95 | /* Progress meter bar */ |
96 | #define BAR \ | |
97 | "************************************************************"\ | |
98 | "************************************************************"\ | |
99 | "************************************************************"\ | |
100 | "************************************************************" | |
101 | #define MAX_BARLENGTH (sizeof(BAR) - 1) | |
102 | ||
8efc0c15 | 103 | /* Visual statistics about files as they are transferred. */ |
104 | void progressmeter(int); | |
105 | ||
106 | /* Returns width of the terminal (for progress meter calculations). */ | |
107 | int getttywidth(void); | |
2e73a022 | 108 | int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc); |
8efc0c15 | 109 | |
8a624ebf | 110 | /* Struct for addargs */ |
111 | arglist args; | |
94ec8c6b | 112 | |
8efc0c15 | 113 | /* Time a transfer started. */ |
114 | static struct timeval start; | |
115 | ||
116 | /* Number of bytes of current file transferred so far. */ | |
ba917921 | 117 | volatile off_t statbytes; |
8efc0c15 | 118 | |
119 | /* Total size of current file. */ | |
b4ad3727 | 120 | off_t totalbytes = 0; |
8efc0c15 | 121 | |
122 | /* Name of current file being transferred. */ | |
123 | char *curfile; | |
124 | ||
125 | /* This is set to non-zero to enable verbose mode. */ | |
5260325f | 126 | int verbose_mode = 0; |
8efc0c15 | 127 | |
8efc0c15 | 128 | /* This is set to zero if the progressmeter is not desired. */ |
129 | int showprogress = 1; | |
130 | ||
2e73a022 | 131 | /* This is the program to execute for the secured connection. ("ssh" or -S) */ |
42f11eb2 | 132 | char *ssh_program = _PATH_SSH_PROGRAM; |
2e73a022 | 133 | |
aa3378df | 134 | /* |
135 | * This function executes the given command as the specified user on the | |
136 | * given host. This returns < 0 if execution fails, and >= 0 otherwise. This | |
137 | * assigns the input and output file descriptors on success. | |
138 | */ | |
8efc0c15 | 139 | |
6ae2364d | 140 | int |
2e73a022 | 141 | do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc) |
8efc0c15 | 142 | { |
5260325f | 143 | int pin[2], pout[2], reserved[2]; |
144 | ||
145 | if (verbose_mode) | |
94ec8c6b | 146 | fprintf(stderr, "Executing: program %s host %s, user %s, command %s\n", |
147 | ssh_program, host, remuser ? remuser : "(unspecified)", cmd); | |
5260325f | 148 | |
aa3378df | 149 | /* |
150 | * Reserve two descriptors so that the real pipes won't get | |
151 | * descriptors 0 and 1 because that will screw up dup2 below. | |
152 | */ | |
5260325f | 153 | pipe(reserved); |
154 | ||
155 | /* Create a socket pair for communicating with ssh. */ | |
156 | if (pipe(pin) < 0) | |
157 | fatal("pipe: %s", strerror(errno)); | |
158 | if (pipe(pout) < 0) | |
159 | fatal("pipe: %s", strerror(errno)); | |
160 | ||
161 | /* Free the reserved descriptors. */ | |
162 | close(reserved[0]); | |
163 | close(reserved[1]); | |
164 | ||
165 | /* For a child to execute the command on the remote host using ssh. */ | |
94ec8c6b | 166 | if (fork() == 0) { |
5260325f | 167 | /* Child. */ |
168 | close(pin[1]); | |
169 | close(pout[0]); | |
170 | dup2(pin[0], 0); | |
171 | dup2(pout[1], 1); | |
172 | close(pin[0]); | |
173 | close(pout[1]); | |
174 | ||
94ec8c6b | 175 | args.list[0] = ssh_program; |
176 | if (remuser != NULL) | |
8a624ebf | 177 | addargs(&args, "-l%s", remuser); |
178 | addargs(&args, "%s", host); | |
179 | addargs(&args, "%s", cmd); | |
5260325f | 180 | |
94ec8c6b | 181 | execvp(ssh_program, args.list); |
2e73a022 | 182 | perror(ssh_program); |
5260325f | 183 | exit(1); |
8efc0c15 | 184 | } |
5260325f | 185 | /* Parent. Close the other side, and return the local side. */ |
186 | close(pin[0]); | |
187 | *fdout = pin[1]; | |
188 | close(pout[1]); | |
189 | *fdin = pout[0]; | |
190 | return 0; | |
8efc0c15 | 191 | } |
192 | ||
8efc0c15 | 193 | typedef struct { |
194 | int cnt; | |
195 | char *buf; | |
196 | } BUF; | |
197 | ||
5260325f | 198 | BUF *allocbuf(BUF *, int, int); |
5260325f | 199 | void lostconn(int); |
200 | void nospace(void); | |
201 | int okname(char *); | |
202 | void run_err(const char *,...); | |
203 | void verifydir(char *); | |
8efc0c15 | 204 | |
8efc0c15 | 205 | struct passwd *pwd; |
5260325f | 206 | uid_t userid; |
8efc0c15 | 207 | int errs, remin, remout; |
208 | int pflag, iamremote, iamrecursive, targetshouldbedirectory; | |
209 | ||
210 | #define CMDNEEDS 64 | |
211 | char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ | |
212 | ||
396c147e | 213 | int main(int, char *[]); |
5260325f | 214 | int response(void); |
215 | void rsource(char *, struct stat *); | |
216 | void sink(int, char *[]); | |
217 | void source(int, char *[]); | |
218 | void tolocal(int, char *[]); | |
219 | void toremote(char *, int, char *[]); | |
220 | void usage(void); | |
8efc0c15 | 221 | |
222 | int | |
223 | main(argc, argv) | |
224 | int argc; | |
225 | char *argv[]; | |
226 | { | |
227 | int ch, fflag, tflag; | |
228 | char *targ; | |
229 | extern char *optarg; | |
230 | extern int optind; | |
231 | ||
260d427b | 232 | __progname = get_progname(argv[0]); |
233 | ||
94ec8c6b | 234 | args.list = NULL; |
8a624ebf | 235 | addargs(&args, "ssh"); /* overwritten with ssh_program */ |
236 | addargs(&args, "-x"); | |
237 | addargs(&args, "-oFallBackToRsh no"); | |
94ec8c6b | 238 | |
8efc0c15 | 239 | fflag = tflag = 0; |
b5c334cc | 240 | while ((ch = getopt(argc, argv, "dfprtvBCc:i:P:q46S:o:")) != -1) |
5260325f | 241 | switch (ch) { |
242 | /* User-visible flags. */ | |
48e671d5 | 243 | case '4': |
48e671d5 | 244 | case '6': |
94ec8c6b | 245 | case 'C': |
8a624ebf | 246 | addargs(&args, "-%c", ch); |
48e671d5 | 247 | break; |
94ec8c6b | 248 | case 'o': |
249 | case 'c': | |
250 | case 'i': | |
8a624ebf | 251 | addargs(&args, "-%c%s", ch, optarg); |
8efc0c15 | 252 | break; |
253 | case 'P': | |
8a624ebf | 254 | addargs(&args, "-p%s", optarg); |
94ec8c6b | 255 | break; |
256 | case 'B': | |
8a624ebf | 257 | addargs(&args, "-oBatchmode yes"); |
94ec8c6b | 258 | break; |
259 | case 'p': | |
260 | pflag = 1; | |
5260325f | 261 | break; |
8efc0c15 | 262 | case 'r': |
263 | iamrecursive = 1; | |
264 | break; | |
2e73a022 | 265 | case 'S': |
94ec8c6b | 266 | ssh_program = xstrdup(optarg); |
267 | break; | |
268 | case 'v': | |
4fc334a2 | 269 | addargs(&args, "-v"); |
94ec8c6b | 270 | verbose_mode = 1; |
271 | break; | |
272 | case 'q': | |
273 | showprogress = 0; | |
2e73a022 | 274 | break; |
275 | ||
5260325f | 276 | /* Server options. */ |
8efc0c15 | 277 | case 'd': |
278 | targetshouldbedirectory = 1; | |
279 | break; | |
5260325f | 280 | case 'f': /* "from" */ |
8efc0c15 | 281 | iamremote = 1; |
282 | fflag = 1; | |
283 | break; | |
5260325f | 284 | case 't': /* "to" */ |
8efc0c15 | 285 | iamremote = 1; |
286 | tflag = 1; | |
fe56c12b | 287 | #ifdef HAVE_CYGWIN |
288 | setmode(0, O_BINARY); | |
289 | #endif | |
8efc0c15 | 290 | break; |
8efc0c15 | 291 | default: |
292 | usage(); | |
293 | } | |
294 | argc -= optind; | |
295 | argv += optind; | |
296 | ||
297 | if ((pwd = getpwuid(userid = getuid())) == NULL) | |
5260325f | 298 | fatal("unknown user %d", (int) userid); |
8efc0c15 | 299 | |
5260325f | 300 | if (!isatty(STDERR_FILENO)) |
8efc0c15 | 301 | showprogress = 0; |
302 | ||
303 | remin = STDIN_FILENO; | |
304 | remout = STDOUT_FILENO; | |
305 | ||
2b87da3b | 306 | if (fflag) { |
5260325f | 307 | /* Follow "protocol", send data. */ |
308 | (void) response(); | |
8efc0c15 | 309 | source(argc, argv); |
310 | exit(errs != 0); | |
311 | } | |
5260325f | 312 | if (tflag) { |
313 | /* Receive data. */ | |
8efc0c15 | 314 | sink(argc, argv); |
315 | exit(errs != 0); | |
316 | } | |
8efc0c15 | 317 | if (argc < 2) |
318 | usage(); | |
319 | if (argc > 2) | |
320 | targetshouldbedirectory = 1; | |
321 | ||
322 | remin = remout = -1; | |
323 | /* Command to be executed on remote system using "ssh". */ | |
0ed28836 | 324 | (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", |
325 | verbose_mode ? " -v" : "", | |
2e73a022 | 326 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
327 | targetshouldbedirectory ? " -d" : ""); | |
8efc0c15 | 328 | |
5260325f | 329 | (void) signal(SIGPIPE, lostconn); |
8efc0c15 | 330 | |
331 | if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ | |
332 | toremote(targ, argc, argv); | |
333 | else { | |
5260325f | 334 | tolocal(argc, argv); /* Dest is local host. */ |
8efc0c15 | 335 | if (targetshouldbedirectory) |
336 | verifydir(argv[argc - 1]); | |
337 | } | |
338 | exit(errs != 0); | |
339 | } | |
340 | ||
341 | void | |
342 | toremote(targ, argc, argv) | |
343 | char *targ, *argv[]; | |
344 | int argc; | |
345 | { | |
346 | int i, len; | |
347 | char *bp, *host, *src, *suser, *thost, *tuser; | |
348 | ||
349 | *targ++ = 0; | |
350 | if (*targ == 0) | |
351 | targ = "."; | |
352 | ||
353 | if ((thost = strchr(argv[argc - 1], '@'))) { | |
354 | /* user@host */ | |
355 | *thost++ = 0; | |
356 | tuser = argv[argc - 1]; | |
357 | if (*tuser == '\0') | |
358 | tuser = NULL; | |
359 | else if (!okname(tuser)) | |
360 | exit(1); | |
361 | } else { | |
362 | thost = argv[argc - 1]; | |
363 | tuser = NULL; | |
364 | } | |
365 | ||
366 | for (i = 0; i < argc - 1; i++) { | |
367 | src = colon(argv[i]); | |
5260325f | 368 | if (src) { /* remote to remote */ |
8efc0c15 | 369 | *src++ = 0; |
370 | if (*src == 0) | |
371 | src = "."; | |
372 | host = strchr(argv[i], '@'); | |
2e73a022 | 373 | len = strlen(ssh_program) + strlen(argv[i]) + |
374 | strlen(src) + (tuser ? strlen(tuser) : 0) + | |
375 | strlen(thost) + strlen(targ) + CMDNEEDS + 32; | |
5260325f | 376 | bp = xmalloc(len); |
8efc0c15 | 377 | if (host) { |
378 | *host++ = 0; | |
48e671d5 | 379 | host = cleanhostname(host); |
8efc0c15 | 380 | suser = argv[i]; |
381 | if (*suser == '\0') | |
382 | suser = pwd->pw_name; | |
383 | else if (!okname(suser)) | |
384 | continue; | |
0ed28836 | 385 | snprintf(bp, len, |
386 | "%s%s -x -o'FallBackToRsh no' -n " | |
387 | "-l %s %s %s %s '%s%s%s:%s'", | |
71c0d06a | 388 | ssh_program, verbose_mode ? " -v" : "", |
389 | suser, host, cmd, src, | |
390 | tuser ? tuser : "", tuser ? "@" : "", | |
391 | thost, targ); | |
48e671d5 | 392 | } else { |
393 | host = cleanhostname(argv[i]); | |
0ed28836 | 394 | snprintf(bp, len, |
395 | "exec %s%s -x -o'FallBackToRsh no' -n %s " | |
396 | "%s %s '%s%s%s:%s'", | |
71c0d06a | 397 | ssh_program, verbose_mode ? " -v" : "", |
398 | host, cmd, src, | |
399 | tuser ? tuser : "", tuser ? "@" : "", | |
400 | thost, targ); | |
48e671d5 | 401 | } |
5260325f | 402 | if (verbose_mode) |
403 | fprintf(stderr, "Executing: %s\n", bp); | |
404 | (void) system(bp); | |
405 | (void) xfree(bp); | |
406 | } else { /* local to remote */ | |
8efc0c15 | 407 | if (remin == -1) { |
408 | len = strlen(targ) + CMDNEEDS + 20; | |
5260325f | 409 | bp = xmalloc(len); |
0ed28836 | 410 | (void) snprintf(bp, len, "%s -t %s", cmd, targ); |
48e671d5 | 411 | host = cleanhostname(thost); |
2e73a022 | 412 | if (do_cmd(host, tuser, bp, &remin, |
413 | &remout, argc) < 0) | |
5260325f | 414 | exit(1); |
8efc0c15 | 415 | if (response() < 0) |
416 | exit(1); | |
5260325f | 417 | (void) xfree(bp); |
8efc0c15 | 418 | } |
5260325f | 419 | source(1, argv + i); |
8efc0c15 | 420 | } |
421 | } | |
422 | } | |
423 | ||
424 | void | |
425 | tolocal(argc, argv) | |
426 | int argc; | |
427 | char *argv[]; | |
428 | { | |
429 | int i, len; | |
430 | char *bp, *host, *src, *suser; | |
431 | ||
432 | for (i = 0; i < argc - 1; i++) { | |
5260325f | 433 | if (!(src = colon(argv[i]))) { /* Local to local. */ |
8efc0c15 | 434 | len = strlen(_PATH_CP) + strlen(argv[i]) + |
2e73a022 | 435 | strlen(argv[argc - 1]) + 20; |
8efc0c15 | 436 | bp = xmalloc(len); |
0ed28836 | 437 | (void) snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP, |
2e73a022 | 438 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
439 | argv[i], argv[argc - 1]); | |
5260325f | 440 | if (verbose_mode) |
441 | fprintf(stderr, "Executing: %s\n", bp); | |
8efc0c15 | 442 | if (system(bp)) |
443 | ++errs; | |
5260325f | 444 | (void) xfree(bp); |
8efc0c15 | 445 | continue; |
446 | } | |
447 | *src++ = 0; | |
448 | if (*src == 0) | |
449 | src = "."; | |
450 | if ((host = strchr(argv[i], '@')) == NULL) { | |
451 | host = argv[i]; | |
452 | suser = NULL; | |
453 | } else { | |
454 | *host++ = 0; | |
455 | suser = argv[i]; | |
456 | if (*suser == '\0') | |
457 | suser = pwd->pw_name; | |
458 | else if (!okname(suser)) | |
459 | continue; | |
460 | } | |
48e671d5 | 461 | host = cleanhostname(host); |
8efc0c15 | 462 | len = strlen(src) + CMDNEEDS + 20; |
5260325f | 463 | bp = xmalloc(len); |
0ed28836 | 464 | (void) snprintf(bp, len, "%s -f %s", cmd, src); |
2e73a022 | 465 | if (do_cmd(host, suser, bp, &remin, &remout, argc) < 0) { |
5260325f | 466 | (void) xfree(bp); |
467 | ++errs; | |
468 | continue; | |
8efc0c15 | 469 | } |
5260325f | 470 | xfree(bp); |
8efc0c15 | 471 | sink(1, argv + argc - 1); |
5260325f | 472 | (void) close(remin); |
8efc0c15 | 473 | remin = remout = -1; |
474 | } | |
475 | } | |
476 | ||
477 | void | |
478 | source(argc, argv) | |
479 | int argc; | |
480 | char *argv[]; | |
481 | { | |
482 | struct stat stb; | |
483 | static BUF buffer; | |
484 | BUF *bp; | |
ba917921 | 485 | off_t i, amt, result; |
486 | int fd, haderr, indx; | |
8efc0c15 | 487 | char *last, *name, buf[2048]; |
0fc791ba | 488 | int len; |
8efc0c15 | 489 | |
490 | for (indx = 0; indx < argc; ++indx) { | |
5260325f | 491 | name = argv[indx]; |
8efc0c15 | 492 | statbytes = 0; |
0fc791ba | 493 | len = strlen(name); |
494 | while (len > 1 && name[len-1] == '/') | |
495 | name[--len] = '\0'; | |
8efc0c15 | 496 | if ((fd = open(name, O_RDONLY, 0)) < 0) |
497 | goto syserr; | |
498 | if (fstat(fd, &stb) < 0) { | |
499 | syserr: run_err("%s: %s", name, strerror(errno)); | |
500 | goto next; | |
501 | } | |
502 | switch (stb.st_mode & S_IFMT) { | |
503 | case S_IFREG: | |
504 | break; | |
505 | case S_IFDIR: | |
506 | if (iamrecursive) { | |
507 | rsource(name, &stb); | |
508 | goto next; | |
509 | } | |
510 | /* FALLTHROUGH */ | |
511 | default: | |
512 | run_err("%s: not a regular file", name); | |
513 | goto next; | |
514 | } | |
515 | if ((last = strrchr(name, '/')) == NULL) | |
516 | last = name; | |
517 | else | |
518 | ++last; | |
519 | curfile = last; | |
520 | if (pflag) { | |
521 | /* | |
522 | * Make it compatible with possible future | |
523 | * versions expecting microseconds. | |
524 | */ | |
0ed28836 | 525 | (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", |
1e3b8b07 | 526 | (u_long) stb.st_mtime, |
527 | (u_long) stb.st_atime); | |
3189621b | 528 | (void) atomicio(write, remout, buf, strlen(buf)); |
8efc0c15 | 529 | if (response() < 0) |
530 | goto next; | |
531 | } | |
532 | #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) | |
30eac028 | 533 | #ifdef HAVE_LONG_LONG_INT |
bf1d27bd | 534 | snprintf(buf, sizeof buf, "C%04o %lld %s\n", |
1e3b8b07 | 535 | (u_int) (stb.st_mode & FILEMODEMASK), |
ec0ad9c2 | 536 | (long long) stb.st_size, last); |
f8f230bf | 537 | #else |
538 | /* XXX: Handle integer overflow? */ | |
d1581d5f | 539 | snprintf(buf, sizeof buf, "C%04o %lu %s\n", |
f8f230bf | 540 | (u_int) (stb.st_mode & FILEMODEMASK), |
d1581d5f | 541 | (u_long) stb.st_size, last); |
f8f230bf | 542 | #endif |
543 | ||
5260325f | 544 | if (verbose_mode) { |
545 | fprintf(stderr, "Sending file modes: %s", buf); | |
546 | fflush(stderr); | |
547 | } | |
3189621b | 548 | (void) atomicio(write, remout, buf, strlen(buf)); |
8efc0c15 | 549 | if (response() < 0) |
550 | goto next; | |
551 | if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) { | |
5260325f | 552 | next: (void) close(fd); |
8efc0c15 | 553 | continue; |
554 | } | |
8efc0c15 | 555 | if (showprogress) { |
556 | totalbytes = stb.st_size; | |
557 | progressmeter(-1); | |
558 | } | |
8efc0c15 | 559 | /* Keep writing after an error so that we stay sync'd up. */ |
560 | for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { | |
561 | amt = bp->cnt; | |
562 | if (i + amt > stb.st_size) | |
563 | amt = stb.st_size - i; | |
564 | if (!haderr) { | |
1d1ffb87 | 565 | result = atomicio(read, fd, bp->buf, amt); |
8efc0c15 | 566 | if (result != amt) |
567 | haderr = result >= 0 ? EIO : errno; | |
568 | } | |
569 | if (haderr) | |
3189621b | 570 | (void) atomicio(write, remout, bp->buf, amt); |
8efc0c15 | 571 | else { |
68227e6d | 572 | result = atomicio(write, remout, bp->buf, amt); |
8efc0c15 | 573 | if (result != amt) |
574 | haderr = result >= 0 ? EIO : errno; | |
575 | statbytes += result; | |
576 | } | |
577 | } | |
5260325f | 578 | if (showprogress) |
8efc0c15 | 579 | progressmeter(1); |
580 | ||
581 | if (close(fd) < 0 && !haderr) | |
582 | haderr = errno; | |
583 | if (!haderr) | |
3189621b | 584 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 585 | else |
586 | run_err("%s: %s", name, strerror(haderr)); | |
5260325f | 587 | (void) response(); |
8efc0c15 | 588 | } |
589 | } | |
590 | ||
591 | void | |
592 | rsource(name, statp) | |
593 | char *name; | |
594 | struct stat *statp; | |
595 | { | |
596 | DIR *dirp; | |
597 | struct dirent *dp; | |
598 | char *last, *vect[1], path[1100]; | |
599 | ||
600 | if (!(dirp = opendir(name))) { | |
601 | run_err("%s: %s", name, strerror(errno)); | |
602 | return; | |
603 | } | |
604 | last = strrchr(name, '/'); | |
605 | if (last == 0) | |
606 | last = name; | |
607 | else | |
608 | last++; | |
609 | if (pflag) { | |
0ed28836 | 610 | (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", |
1e3b8b07 | 611 | (u_long) statp->st_mtime, |
612 | (u_long) statp->st_atime); | |
3189621b | 613 | (void) atomicio(write, remout, path, strlen(path)); |
8efc0c15 | 614 | if (response() < 0) { |
615 | closedir(dirp); | |
616 | return; | |
617 | } | |
618 | } | |
0ed28836 | 619 | (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", |
1e3b8b07 | 620 | (u_int) (statp->st_mode & FILEMODEMASK), 0, last); |
5260325f | 621 | if (verbose_mode) |
622 | fprintf(stderr, "Entering directory: %s", path); | |
3189621b | 623 | (void) atomicio(write, remout, path, strlen(path)); |
8efc0c15 | 624 | if (response() < 0) { |
625 | closedir(dirp); | |
626 | return; | |
627 | } | |
e5ff6ecf | 628 | while ((dp = readdir(dirp)) != NULL) { |
8efc0c15 | 629 | if (dp->d_ino == 0) |
630 | continue; | |
631 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) | |
632 | continue; | |
633 | if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { | |
634 | run_err("%s/%s: name too long", name, dp->d_name); | |
635 | continue; | |
636 | } | |
0ed28836 | 637 | (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); |
8efc0c15 | 638 | vect[0] = path; |
639 | source(1, vect); | |
640 | } | |
5260325f | 641 | (void) closedir(dirp); |
3189621b | 642 | (void) atomicio(write, remout, "E\n", 2); |
5260325f | 643 | (void) response(); |
8efc0c15 | 644 | } |
645 | ||
646 | void | |
647 | sink(argc, argv) | |
648 | int argc; | |
649 | char *argv[]; | |
650 | { | |
651 | static BUF buffer; | |
652 | struct stat stb; | |
5260325f | 653 | enum { |
654 | YES, NO, DISPLAYED | |
655 | } wrerr; | |
8efc0c15 | 656 | BUF *bp; |
657 | off_t i, j; | |
658 | int amt, count, exists, first, mask, mode, ofd, omode; | |
14a9a859 | 659 | off_t size; |
660 | int setimes, targisdir, wrerrno = 0; | |
8efc0c15 | 661 | char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; |
188adeb2 | 662 | struct timeval tv[2]; |
8efc0c15 | 663 | |
36967a16 | 664 | #define atime tv[0] |
665 | #define mtime tv[1] | |
cb220a93 | 666 | #define SCREWUP(str) do { why = str; goto screwup; } while (0) |
8efc0c15 | 667 | |
668 | setimes = targisdir = 0; | |
669 | mask = umask(0); | |
670 | if (!pflag) | |
5260325f | 671 | (void) umask(mask); |
8efc0c15 | 672 | if (argc != 1) { |
673 | run_err("ambiguous target"); | |
674 | exit(1); | |
675 | } | |
676 | targ = *argv; | |
677 | if (targetshouldbedirectory) | |
678 | verifydir(targ); | |
5260325f | 679 | |
3189621b | 680 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 681 | if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) |
682 | targisdir = 1; | |
683 | for (first = 1;; first = 0) { | |
684 | cp = buf; | |
1d1ffb87 | 685 | if (atomicio(read, remin, cp, 1) <= 0) |
8efc0c15 | 686 | return; |
687 | if (*cp++ == '\n') | |
688 | SCREWUP("unexpected <newline>"); | |
689 | do { | |
1d1ffb87 | 690 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
8efc0c15 | 691 | SCREWUP("lost connection"); |
692 | *cp++ = ch; | |
693 | } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); | |
694 | *cp = 0; | |
695 | ||
696 | if (buf[0] == '\01' || buf[0] == '\02') { | |
697 | if (iamremote == 0) | |
3189621b | 698 | (void) atomicio(write, STDERR_FILENO, |
71c0d06a | 699 | buf + 1, strlen(buf + 1)); |
8efc0c15 | 700 | if (buf[0] == '\02') |
701 | exit(1); | |
702 | ++errs; | |
703 | continue; | |
704 | } | |
705 | if (buf[0] == 'E') { | |
3189621b | 706 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 707 | return; |
708 | } | |
8efc0c15 | 709 | if (ch == '\n') |
710 | *--cp = 0; | |
711 | ||
8efc0c15 | 712 | cp = buf; |
713 | if (*cp == 'T') { | |
714 | setimes++; | |
715 | cp++; | |
36967a16 | 716 | mtime.tv_sec = strtol(cp, &cp, 10); |
717 | if (!cp || *cp++ != ' ') | |
8efc0c15 | 718 | SCREWUP("mtime.sec not delimited"); |
36967a16 | 719 | mtime.tv_usec = strtol(cp, &cp, 10); |
720 | if (!cp || *cp++ != ' ') | |
8efc0c15 | 721 | SCREWUP("mtime.usec not delimited"); |
36967a16 | 722 | atime.tv_sec = strtol(cp, &cp, 10); |
723 | if (!cp || *cp++ != ' ') | |
8efc0c15 | 724 | SCREWUP("atime.sec not delimited"); |
36967a16 | 725 | atime.tv_usec = strtol(cp, &cp, 10); |
726 | if (!cp || *cp++ != '\0') | |
8efc0c15 | 727 | SCREWUP("atime.usec not delimited"); |
3189621b | 728 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 729 | continue; |
730 | } | |
731 | if (*cp != 'C' && *cp != 'D') { | |
732 | /* | |
733 | * Check for the case "rcp remote:foo\* local:bar". | |
734 | * In this case, the line "No match." can be returned | |
735 | * by the shell before the rcp command on the remote is | |
736 | * executed so the ^Aerror_message convention isn't | |
737 | * followed. | |
738 | */ | |
739 | if (first) { | |
740 | run_err("%s", cp); | |
741 | exit(1); | |
742 | } | |
743 | SCREWUP("expected control record"); | |
744 | } | |
745 | mode = 0; | |
746 | for (++cp; cp < buf + 5; cp++) { | |
747 | if (*cp < '0' || *cp > '7') | |
748 | SCREWUP("bad mode"); | |
749 | mode = (mode << 3) | (*cp - '0'); | |
750 | } | |
751 | if (*cp++ != ' ') | |
752 | SCREWUP("mode not delimited"); | |
753 | ||
e5ff6ecf | 754 | for (size = 0; isdigit(*cp);) |
8efc0c15 | 755 | size = size * 10 + (*cp++ - '0'); |
756 | if (*cp++ != ' ') | |
757 | SCREWUP("size not delimited"); | |
758 | if (targisdir) { | |
759 | static char *namebuf; | |
760 | static int cursize; | |
761 | size_t need; | |
762 | ||
763 | need = strlen(targ) + strlen(cp) + 250; | |
0ed28836 | 764 | if (need > cursize) { |
765 | if (namebuf) | |
766 | xfree(namebuf); | |
5260325f | 767 | namebuf = xmalloc(need); |
0ed28836 | 768 | cursize = need; |
769 | } | |
770 | (void) snprintf(namebuf, need, "%s%s%s", targ, | |
2e73a022 | 771 | *targ ? "/" : "", cp); |
8efc0c15 | 772 | np = namebuf; |
773 | } else | |
774 | np = targ; | |
775 | curfile = cp; | |
776 | exists = stat(np, &stb) == 0; | |
777 | if (buf[0] == 'D') { | |
778 | int mod_flag = pflag; | |
779 | if (exists) { | |
780 | if (!S_ISDIR(stb.st_mode)) { | |
781 | errno = ENOTDIR; | |
782 | goto bad; | |
783 | } | |
784 | if (pflag) | |
5260325f | 785 | (void) chmod(np, mode); |
8efc0c15 | 786 | } else { |
5260325f | 787 | /* Handle copying from a read-only |
788 | directory */ | |
8efc0c15 | 789 | mod_flag = 1; |
790 | if (mkdir(np, mode | S_IRWXU) < 0) | |
791 | goto bad; | |
792 | } | |
5c470997 | 793 | vect[0] = xstrdup(np); |
8efc0c15 | 794 | sink(1, vect); |
795 | if (setimes) { | |
796 | setimes = 0; | |
e68225b2 | 797 | if (utimes(vect[0], tv) < 0) |
5260325f | 798 | run_err("%s: set times: %s", |
e68225b2 | 799 | vect[0], strerror(errno)); |
8efc0c15 | 800 | } |
801 | if (mod_flag) | |
e68225b2 | 802 | (void) chmod(vect[0], mode); |
803 | if (vect[0]) | |
804 | xfree(vect[0]); | |
8efc0c15 | 805 | continue; |
806 | } | |
807 | omode = mode; | |
808 | mode |= S_IWRITE; | |
3e4fc5f9 | 809 | if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { |
8efc0c15 | 810 | bad: run_err("%s: %s", np, strerror(errno)); |
811 | continue; | |
812 | } | |
3189621b | 813 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 814 | if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) { |
5260325f | 815 | (void) close(ofd); |
8efc0c15 | 816 | continue; |
817 | } | |
818 | cp = bp->buf; | |
819 | wrerr = NO; | |
820 | ||
821 | if (showprogress) { | |
822 | totalbytes = size; | |
823 | progressmeter(-1); | |
824 | } | |
825 | statbytes = 0; | |
826 | for (count = i = 0; i < size; i += 4096) { | |
827 | amt = 4096; | |
828 | if (i + amt > size) | |
829 | amt = size - i; | |
830 | count += amt; | |
831 | do { | |
a22aff1f | 832 | j = read(remin, cp, amt); |
833 | if (j == -1 && (errno == EINTR || errno == EAGAIN)) { | |
834 | continue; | |
835 | } else if (j <= 0) { | |
8efc0c15 | 836 | run_err("%s", j ? strerror(errno) : |
e5ff6ecf | 837 | "dropped connection"); |
8efc0c15 | 838 | exit(1); |
839 | } | |
840 | amt -= j; | |
841 | cp += j; | |
5260325f | 842 | statbytes += j; |
8efc0c15 | 843 | } while (amt > 0); |
844 | if (count == bp->cnt) { | |
845 | /* Keep reading so we stay sync'd up. */ | |
846 | if (wrerr == NO) { | |
1d1ffb87 | 847 | j = atomicio(write, ofd, bp->buf, count); |
8efc0c15 | 848 | if (j != count) { |
849 | wrerr = YES; | |
5260325f | 850 | wrerrno = j >= 0 ? EIO : errno; |
8efc0c15 | 851 | } |
852 | } | |
853 | count = 0; | |
854 | cp = bp->buf; | |
855 | } | |
856 | } | |
857 | if (showprogress) | |
858 | progressmeter(1); | |
859 | if (count != 0 && wrerr == NO && | |
1d1ffb87 | 860 | (j = atomicio(write, ofd, bp->buf, count)) != count) { |
8efc0c15 | 861 | wrerr = YES; |
5260325f | 862 | wrerrno = j >= 0 ? EIO : errno; |
8efc0c15 | 863 | } |
8efc0c15 | 864 | if (ftruncate(ofd, size)) { |
865 | run_err("%s: truncate: %s", np, strerror(errno)); | |
866 | wrerr = DISPLAYED; | |
867 | } | |
8efc0c15 | 868 | if (pflag) { |
869 | if (exists || omode != mode) | |
77bb0bca | 870 | #ifdef HAVE_FCHMOD |
8efc0c15 | 871 | if (fchmod(ofd, omode)) |
77bb0bca | 872 | #else /* HAVE_FCHMOD */ |
873 | if (chmod(np, omode)) | |
874 | #endif /* HAVE_FCHMOD */ | |
8efc0c15 | 875 | run_err("%s: set mode: %s", |
e5ff6ecf | 876 | np, strerror(errno)); |
8efc0c15 | 877 | } else { |
878 | if (!exists && omode != mode) | |
77bb0bca | 879 | #ifdef HAVE_FCHMOD |
8efc0c15 | 880 | if (fchmod(ofd, omode & ~mask)) |
77bb0bca | 881 | #else /* HAVE_FCHMOD */ |
882 | if (chmod(np, omode & ~mask)) | |
883 | #endif /* HAVE_FCHMOD */ | |
8efc0c15 | 884 | run_err("%s: set mode: %s", |
e5ff6ecf | 885 | np, strerror(errno)); |
8efc0c15 | 886 | } |
704b1659 | 887 | if (close(ofd) == -1) { |
888 | wrerr = YES; | |
889 | wrerrno = errno; | |
890 | } | |
5260325f | 891 | (void) response(); |
8efc0c15 | 892 | if (setimes && wrerr == NO) { |
893 | setimes = 0; | |
188adeb2 | 894 | if (utimes(np, tv) < 0) { |
8efc0c15 | 895 | run_err("%s: set times: %s", |
e5ff6ecf | 896 | np, strerror(errno)); |
8efc0c15 | 897 | wrerr = DISPLAYED; |
898 | } | |
899 | } | |
5260325f | 900 | switch (wrerr) { |
8efc0c15 | 901 | case YES: |
902 | run_err("%s: %s", np, strerror(wrerrno)); | |
903 | break; | |
904 | case NO: | |
3189621b | 905 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 906 | break; |
907 | case DISPLAYED: | |
908 | break; | |
909 | } | |
910 | } | |
911 | screwup: | |
912 | run_err("protocol error: %s", why); | |
913 | exit(1); | |
914 | } | |
915 | ||
916 | int | |
917 | response() | |
918 | { | |
919 | char ch, *cp, resp, rbuf[2048]; | |
920 | ||
1d1ffb87 | 921 | if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) |
8efc0c15 | 922 | lostconn(0); |
923 | ||
924 | cp = rbuf; | |
5260325f | 925 | switch (resp) { |
926 | case 0: /* ok */ | |
8efc0c15 | 927 | return (0); |
928 | default: | |
929 | *cp++ = resp; | |
930 | /* FALLTHROUGH */ | |
5260325f | 931 | case 1: /* error, followed by error msg */ |
932 | case 2: /* fatal error, "" */ | |
8efc0c15 | 933 | do { |
1d1ffb87 | 934 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
8efc0c15 | 935 | lostconn(0); |
936 | *cp++ = ch; | |
937 | } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); | |
938 | ||
939 | if (!iamremote) | |
3189621b | 940 | (void) atomicio(write, STDERR_FILENO, rbuf, cp - rbuf); |
8efc0c15 | 941 | ++errs; |
942 | if (resp == 1) | |
943 | return (-1); | |
944 | exit(1); | |
945 | } | |
946 | /* NOTREACHED */ | |
947 | } | |
948 | ||
949 | void | |
950 | usage() | |
951 | { | |
2e73a022 | 952 | (void) fprintf(stderr, "usage: scp " |
c3941fa6 | 953 | "[-pqrvBC46] [-S ssh] [-P port] [-c cipher] [-i identity] " |
954 | "[-o option] f1 f2\n" | |
03cb2621 | 955 | " or: scp [options] f1 ... fn directory\n"); |
8efc0c15 | 956 | exit(1); |
957 | } | |
958 | ||
959 | void | |
5260325f | 960 | run_err(const char *fmt,...) |
8efc0c15 | 961 | { |
962 | static FILE *fp; | |
963 | va_list ap; | |
8efc0c15 | 964 | |
965 | ++errs; | |
966 | if (fp == NULL && !(fp = fdopen(remout, "w"))) | |
967 | return; | |
5260325f | 968 | (void) fprintf(fp, "%c", 0x01); |
969 | (void) fprintf(fp, "scp: "); | |
b92964b7 | 970 | va_start(ap, fmt); |
5260325f | 971 | (void) vfprintf(fp, fmt, ap); |
b92964b7 | 972 | va_end(ap); |
5260325f | 973 | (void) fprintf(fp, "\n"); |
974 | (void) fflush(fp); | |
975 | ||
976 | if (!iamremote) { | |
b92964b7 | 977 | va_start(ap, fmt); |
5260325f | 978 | vfprintf(stderr, fmt, ap); |
b92964b7 | 979 | va_end(ap); |
5260325f | 980 | fprintf(stderr, "\n"); |
981 | } | |
8efc0c15 | 982 | } |
983 | ||
8efc0c15 | 984 | void |
985 | verifydir(cp) | |
986 | char *cp; | |
987 | { | |
988 | struct stat stb; | |
989 | ||
990 | if (!stat(cp, &stb)) { | |
991 | if (S_ISDIR(stb.st_mode)) | |
992 | return; | |
993 | errno = ENOTDIR; | |
994 | } | |
995 | run_err("%s: %s", cp, strerror(errno)); | |
996 | exit(1); | |
997 | } | |
998 | ||
999 | int | |
1000 | okname(cp0) | |
1001 | char *cp0; | |
1002 | { | |
1003 | int c; | |
1004 | char *cp; | |
1005 | ||
1006 | cp = cp0; | |
1007 | do { | |
cb220a93 | 1008 | c = (int)*cp; |
8efc0c15 | 1009 | if (c & 0200) |
1010 | goto bad; | |
731c1541 | 1011 | if (!isalpha(c) && !isdigit(c) && |
1012 | c != '_' && c != '-' && c != '.' && c != '+') | |
8efc0c15 | 1013 | goto bad; |
1014 | } while (*++cp); | |
1015 | return (1); | |
1016 | ||
c8d54615 | 1017 | bad: fprintf(stderr, "%s: invalid user name\n", cp0); |
8efc0c15 | 1018 | return (0); |
1019 | } | |
1020 | ||
1021 | BUF * | |
1022 | allocbuf(bp, fd, blksize) | |
1023 | BUF *bp; | |
1024 | int fd, blksize; | |
1025 | { | |
1026 | size_t size; | |
77bb0bca | 1027 | #ifdef HAVE_ST_BLKSIZE |
8efc0c15 | 1028 | struct stat stb; |
1029 | ||
1030 | if (fstat(fd, &stb) < 0) { | |
1031 | run_err("fstat: %s", strerror(errno)); | |
1032 | return (0); | |
1033 | } | |
5260325f | 1034 | if (stb.st_blksize == 0) |
1035 | size = blksize; | |
1036 | else | |
1037 | size = blksize + (stb.st_blksize - blksize % stb.st_blksize) % | |
2e73a022 | 1038 | stb.st_blksize; |
77bb0bca | 1039 | #else /* HAVE_ST_BLKSIZE */ |
2b87da3b | 1040 | size = blksize; |
77bb0bca | 1041 | #endif /* HAVE_ST_BLKSIZE */ |
8efc0c15 | 1042 | if (bp->cnt >= size) |
1043 | return (bp); | |
5260325f | 1044 | if (bp->buf == NULL) |
1045 | bp->buf = xmalloc(size); | |
1046 | else | |
1047 | bp->buf = xrealloc(bp->buf, size); | |
8efc0c15 | 1048 | bp->cnt = size; |
1049 | return (bp); | |
1050 | } | |
1051 | ||
1052 | void | |
1053 | lostconn(signo) | |
1054 | int signo; | |
1055 | { | |
1056 | if (!iamremote) | |
08c260ea | 1057 | write(STDERR_FILENO, "lost connection\n", 16); |
1058 | if (signo) | |
1059 | _exit(1); | |
1060 | else | |
1061 | exit(1); | |
8efc0c15 | 1062 | } |
1063 | ||
8efc0c15 | 1064 | |
396c147e | 1065 | static void |
8efc0c15 | 1066 | alarmtimer(int wait) |
1067 | { | |
5260325f | 1068 | struct itimerval itv; |
8efc0c15 | 1069 | |
5260325f | 1070 | itv.it_value.tv_sec = wait; |
1071 | itv.it_value.tv_usec = 0; | |
1072 | itv.it_interval = itv.it_value; | |
1073 | setitimer(ITIMER_REAL, &itv, NULL); | |
8efc0c15 | 1074 | } |
1075 | ||
396c147e | 1076 | static void |
610cd5c6 | 1077 | updateprogressmeter(int ignore) |
8efc0c15 | 1078 | { |
1079 | int save_errno = errno; | |
1080 | ||
1081 | progressmeter(0); | |
1082 | errno = save_errno; | |
1083 | } | |
1084 | ||
396c147e | 1085 | static int |
5ca51e19 | 1086 | foregroundproc(void) |
2bd61362 | 1087 | { |
1088 | static pid_t pgrp = -1; | |
1089 | int ctty_pgrp; | |
1090 | ||
1091 | if (pgrp == -1) | |
1092 | pgrp = getpgrp(); | |
1093 | ||
63fe0529 | 1094 | #ifdef HAVE_TCGETPGRP |
3c62e7eb | 1095 | return ((ctty_pgrp = tcgetpgrp(STDOUT_FILENO)) != -1 && |
1096 | ctty_pgrp == pgrp); | |
1097 | #else | |
5260325f | 1098 | return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 && |
1099 | ctty_pgrp == pgrp)); | |
3c62e7eb | 1100 | #endif |
2bd61362 | 1101 | } |
1102 | ||
8efc0c15 | 1103 | void |
1104 | progressmeter(int flag) | |
1105 | { | |
1106 | static const char prefixes[] = " KMGTP"; | |
1107 | static struct timeval lastupdate; | |
1108 | static off_t lastsize; | |
1109 | struct timeval now, td, wait; | |
1110 | off_t cursize, abbrevsize; | |
1111 | double elapsed; | |
b6573a35 | 1112 | int ratio, barlength, i, remaining; |
8efc0c15 | 1113 | char buf[256]; |
1114 | ||
1115 | if (flag == -1) { | |
5260325f | 1116 | (void) gettimeofday(&start, (struct timezone *) 0); |
8efc0c15 | 1117 | lastupdate = start; |
1118 | lastsize = 0; | |
5260325f | 1119 | } |
2bd61362 | 1120 | if (foregroundproc() == 0) |
1121 | return; | |
1122 | ||
5260325f | 1123 | (void) gettimeofday(&now, (struct timezone *) 0); |
8efc0c15 | 1124 | cursize = statbytes; |
b4ad3727 | 1125 | if (totalbytes != 0) { |
aa3378df | 1126 | ratio = 100.0 * cursize / totalbytes; |
8efc0c15 | 1127 | ratio = MAX(ratio, 0); |
1128 | ratio = MIN(ratio, 100); | |
5260325f | 1129 | } else |
8efc0c15 | 1130 | ratio = 100; |
1131 | ||
5260325f | 1132 | snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio); |
8efc0c15 | 1133 | |
1134 | barlength = getttywidth() - 51; | |
a4070484 | 1135 | barlength = (barlength <= MAX_BARLENGTH)?barlength:MAX_BARLENGTH; |
8efc0c15 | 1136 | if (barlength > 0) { |
1137 | i = barlength * ratio / 100; | |
1138 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), | |
a4070484 | 1139 | "|%.*s%*s|", i, BAR, barlength - i, ""); |
8efc0c15 | 1140 | } |
8efc0c15 | 1141 | i = 0; |
1142 | abbrevsize = cursize; | |
1143 | while (abbrevsize >= 100000 && i < sizeof(prefixes)) { | |
1144 | i++; | |
1145 | abbrevsize >>= 10; | |
1146 | } | |
6a416424 | 1147 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5lu %c%c ", |
2c92c680 | 1148 | (unsigned long) abbrevsize, prefixes[i], |
1149 | prefixes[i] == ' ' ? ' ' : 'B'); | |
8efc0c15 | 1150 | |
1151 | timersub(&now, &lastupdate, &wait); | |
1152 | if (cursize > lastsize) { | |
1153 | lastupdate = now; | |
1154 | lastsize = cursize; | |
1155 | if (wait.tv_sec >= STALLTIME) { | |
1156 | start.tv_sec += wait.tv_sec; | |
1157 | start.tv_usec += wait.tv_usec; | |
1158 | } | |
1159 | wait.tv_sec = 0; | |
1160 | } | |
8efc0c15 | 1161 | timersub(&now, &start, &td); |
1162 | elapsed = td.tv_sec + (td.tv_usec / 1000000.0); | |
1163 | ||
71c0d06a | 1164 | if (flag != 1 && |
1165 | (statbytes <= 0 || elapsed <= 0.0 || cursize > totalbytes)) { | |
8efc0c15 | 1166 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
71c0d06a | 1167 | " --:-- ETA"); |
8efc0c15 | 1168 | } else if (wait.tv_sec >= STALLTIME) { |
1169 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), | |
71c0d06a | 1170 | " - stalled -"); |
8efc0c15 | 1171 | } else { |
d6f24e45 | 1172 | if (flag != 1) |
71c0d06a | 1173 | remaining = (int)(totalbytes / (statbytes / elapsed) - |
1174 | elapsed); | |
d6f24e45 | 1175 | else |
1176 | remaining = elapsed; | |
1177 | ||
5068f573 | 1178 | i = remaining / 3600; |
8efc0c15 | 1179 | if (i) |
1180 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), | |
2e73a022 | 1181 | "%2d:", i); |
8efc0c15 | 1182 | else |
1183 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), | |
2e73a022 | 1184 | " "); |
8efc0c15 | 1185 | i = remaining % 3600; |
1186 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), | |
2e73a022 | 1187 | "%02d:%02d%s", i / 60, i % 60, |
1188 | (flag != 1) ? " ETA" : " "); | |
8efc0c15 | 1189 | } |
1190 | atomicio(write, fileno(stdout), buf, strlen(buf)); | |
1191 | ||
1192 | if (flag == -1) { | |
36a358ca | 1193 | mysignal(SIGALRM, updateprogressmeter); |
8efc0c15 | 1194 | alarmtimer(1); |
1195 | } else if (flag == 1) { | |
1196 | alarmtimer(0); | |
3189621b | 1197 | atomicio(write, fileno(stdout), "\n", 1); |
8efc0c15 | 1198 | statbytes = 0; |
1199 | } | |
1200 | } | |
1201 | ||
1202 | int | |
1203 | getttywidth(void) | |
1204 | { | |
1205 | struct winsize winsize; | |
1206 | ||
1207 | if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1) | |
5260325f | 1208 | return (winsize.ws_col ? winsize.ws_col : 80); |
8efc0c15 | 1209 | else |
5260325f | 1210 | return (80); |
8efc0c15 | 1211 | } |