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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. | |
d981089c | 55 | * 3. Neither the name of the University nor the names of its contributors |
8efc0c15 | 56 | * may be used to endorse or promote products derived from this software |
57 | * without specific prior written permission. | |
58 | * | |
59 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
60 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
61 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
62 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
63 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
64 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
65 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
66 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
67 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
68 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
69 | * SUCH DAMAGE. | |
70 | * | |
8efc0c15 | 71 | */ |
72 | ||
73 | #include "includes.h" | |
3c03ad3f | 74 | RCSID("$OpenBSD: scp.c,v 1.119 2005/01/24 10:22:06 dtucker Exp $"); |
8efc0c15 | 75 | |
8efc0c15 | 76 | #include "xmalloc.h" |
42f11eb2 | 77 | #include "atomicio.h" |
78 | #include "pathnames.h" | |
79 | #include "log.h" | |
36a358ca | 80 | #include "misc.h" |
b65c3807 | 81 | #include "progressmeter.h" |
8efc0c15 | 82 | |
260d427b | 83 | extern char *__progname; |
260d427b | 84 | |
6ea3c52a | 85 | void bwlimit(int); |
86 | ||
8a624ebf | 87 | /* Struct for addargs */ |
88 | arglist args; | |
94ec8c6b | 89 | |
6ea3c52a | 90 | /* Bandwidth limit */ |
10adbb52 | 91 | off_t limit_rate = 0; |
6ea3c52a | 92 | |
8efc0c15 | 93 | /* Name of current file being transferred. */ |
94 | char *curfile; | |
95 | ||
96 | /* This is set to non-zero to enable verbose mode. */ | |
5260325f | 97 | int verbose_mode = 0; |
8efc0c15 | 98 | |
8efc0c15 | 99 | /* This is set to zero if the progressmeter is not desired. */ |
100 | int showprogress = 1; | |
101 | ||
2e73a022 | 102 | /* This is the program to execute for the secured connection. ("ssh" or -S) */ |
42f11eb2 | 103 | char *ssh_program = _PATH_SSH_PROGRAM; |
2e73a022 | 104 | |
252d1a24 | 105 | /* This is used to store the pid of ssh_program */ |
0f764b2f | 106 | pid_t do_cmd_pid = -1; |
107 | ||
108 | static void | |
109 | killchild(int signo) | |
110 | { | |
3c03ad3f | 111 | if (do_cmd_pid > 1) { |
0f764b2f | 112 | kill(do_cmd_pid, signo); |
3c03ad3f | 113 | waitpid(do_cmd_pid, NULL, 0); |
114 | } | |
0f764b2f | 115 | |
116 | _exit(1); | |
117 | } | |
252d1a24 | 118 | |
aa3378df | 119 | /* |
120 | * This function executes the given command as the specified user on the | |
121 | * given host. This returns < 0 if execution fails, and >= 0 otherwise. This | |
122 | * assigns the input and output file descriptors on success. | |
123 | */ | |
8efc0c15 | 124 | |
6ae2364d | 125 | int |
2e73a022 | 126 | do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc) |
8efc0c15 | 127 | { |
5260325f | 128 | int pin[2], pout[2], reserved[2]; |
129 | ||
130 | if (verbose_mode) | |
0b2988ca | 131 | fprintf(stderr, |
132 | "Executing: program %s host %s, user %s, command %s\n", | |
133 | ssh_program, host, | |
134 | remuser ? remuser : "(unspecified)", cmd); | |
5260325f | 135 | |
aa3378df | 136 | /* |
137 | * Reserve two descriptors so that the real pipes won't get | |
138 | * descriptors 0 and 1 because that will screw up dup2 below. | |
139 | */ | |
5260325f | 140 | pipe(reserved); |
141 | ||
142 | /* Create a socket pair for communicating with ssh. */ | |
143 | if (pipe(pin) < 0) | |
144 | fatal("pipe: %s", strerror(errno)); | |
145 | if (pipe(pout) < 0) | |
146 | fatal("pipe: %s", strerror(errno)); | |
147 | ||
148 | /* Free the reserved descriptors. */ | |
149 | close(reserved[0]); | |
150 | close(reserved[1]); | |
151 | ||
1fb23629 | 152 | /* Fork a child to execute the command on the remote host using ssh. */ |
252d1a24 | 153 | do_cmd_pid = fork(); |
154 | if (do_cmd_pid == 0) { | |
5260325f | 155 | /* Child. */ |
156 | close(pin[1]); | |
157 | close(pout[0]); | |
158 | dup2(pin[0], 0); | |
159 | dup2(pout[1], 1); | |
160 | close(pin[0]); | |
161 | close(pout[1]); | |
162 | ||
94ec8c6b | 163 | args.list[0] = ssh_program; |
164 | if (remuser != NULL) | |
8a624ebf | 165 | addargs(&args, "-l%s", remuser); |
166 | addargs(&args, "%s", host); | |
167 | addargs(&args, "%s", cmd); | |
5260325f | 168 | |
94ec8c6b | 169 | execvp(ssh_program, args.list); |
2e73a022 | 170 | perror(ssh_program); |
5260325f | 171 | exit(1); |
252d1a24 | 172 | } else if (do_cmd_pid == -1) { |
173 | fatal("fork: %s", strerror(errno)); | |
8efc0c15 | 174 | } |
5260325f | 175 | /* Parent. Close the other side, and return the local side. */ |
176 | close(pin[0]); | |
177 | *fdout = pin[1]; | |
178 | close(pout[1]); | |
179 | *fdin = pout[0]; | |
0f764b2f | 180 | signal(SIGTERM, killchild); |
181 | signal(SIGINT, killchild); | |
182 | signal(SIGHUP, killchild); | |
5260325f | 183 | return 0; |
8efc0c15 | 184 | } |
185 | ||
8efc0c15 | 186 | typedef struct { |
187 | int cnt; | |
188 | char *buf; | |
189 | } BUF; | |
190 | ||
5260325f | 191 | BUF *allocbuf(BUF *, int, int); |
5260325f | 192 | void lostconn(int); |
193 | void nospace(void); | |
194 | int okname(char *); | |
195 | void run_err(const char *,...); | |
196 | void verifydir(char *); | |
8efc0c15 | 197 | |
8efc0c15 | 198 | struct passwd *pwd; |
5260325f | 199 | uid_t userid; |
8efc0c15 | 200 | int errs, remin, remout; |
201 | int pflag, iamremote, iamrecursive, targetshouldbedirectory; | |
202 | ||
203 | #define CMDNEEDS 64 | |
204 | char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ | |
205 | ||
5260325f | 206 | int response(void); |
207 | void rsource(char *, struct stat *); | |
208 | void sink(int, char *[]); | |
209 | void source(int, char *[]); | |
210 | void tolocal(int, char *[]); | |
211 | void toremote(char *, int, char *[]); | |
212 | void usage(void); | |
8efc0c15 | 213 | |
214 | int | |
cf3248b8 | 215 | main(int argc, char **argv) |
8efc0c15 | 216 | { |
252d1a24 | 217 | int ch, fflag, tflag, status; |
6ea3c52a | 218 | double speed; |
219 | char *targ, *endp; | |
8efc0c15 | 220 | extern char *optarg; |
221 | extern int optind; | |
222 | ||
fda04d7d | 223 | __progname = ssh_get_progname(argv[0]); |
260d427b | 224 | |
94ec8c6b | 225 | args.list = NULL; |
7203d6bb | 226 | addargs(&args, "ssh"); /* overwritten with ssh_program */ |
8a624ebf | 227 | addargs(&args, "-x"); |
3a222388 | 228 | addargs(&args, "-oForwardAgent no"); |
e1c5bfaf | 229 | addargs(&args, "-oClearAllForwardings yes"); |
94ec8c6b | 230 | |
8efc0c15 | 231 | fflag = tflag = 0; |
e6b15f23 | 232 | while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246S:o:F:")) != -1) |
5260325f | 233 | switch (ch) { |
234 | /* User-visible flags. */ | |
e6b15f23 | 235 | case '1': |
236 | case '2': | |
48e671d5 | 237 | case '4': |
48e671d5 | 238 | case '6': |
94ec8c6b | 239 | case 'C': |
8a624ebf | 240 | addargs(&args, "-%c", ch); |
48e671d5 | 241 | break; |
94ec8c6b | 242 | case 'o': |
243 | case 'c': | |
244 | case 'i': | |
f1278af7 | 245 | case 'F': |
8a624ebf | 246 | addargs(&args, "-%c%s", ch, optarg); |
8efc0c15 | 247 | break; |
248 | case 'P': | |
8a624ebf | 249 | addargs(&args, "-p%s", optarg); |
94ec8c6b | 250 | break; |
251 | case 'B': | |
8a624ebf | 252 | addargs(&args, "-oBatchmode yes"); |
94ec8c6b | 253 | break; |
6ea3c52a | 254 | case 'l': |
255 | speed = strtod(optarg, &endp); | |
256 | if (speed <= 0 || *endp != '\0') | |
257 | usage(); | |
10adbb52 | 258 | limit_rate = speed * 1024; |
6ea3c52a | 259 | break; |
94ec8c6b | 260 | case 'p': |
261 | pflag = 1; | |
5260325f | 262 | break; |
8efc0c15 | 263 | case 'r': |
264 | iamrecursive = 1; | |
265 | break; | |
2e73a022 | 266 | case 'S': |
94ec8c6b | 267 | ssh_program = xstrdup(optarg); |
268 | break; | |
269 | case 'v': | |
4fc334a2 | 270 | addargs(&args, "-v"); |
94ec8c6b | 271 | verbose_mode = 1; |
272 | break; | |
273 | case 'q': | |
15c8e3fd | 274 | addargs(&args, "-q"); |
94ec8c6b | 275 | showprogress = 0; |
2e73a022 | 276 | break; |
277 | ||
5260325f | 278 | /* Server options. */ |
8efc0c15 | 279 | case 'd': |
280 | targetshouldbedirectory = 1; | |
281 | break; | |
5260325f | 282 | case 'f': /* "from" */ |
8efc0c15 | 283 | iamremote = 1; |
284 | fflag = 1; | |
285 | break; | |
5260325f | 286 | case 't': /* "to" */ |
8efc0c15 | 287 | iamremote = 1; |
288 | tflag = 1; | |
fe56c12b | 289 | #ifdef HAVE_CYGWIN |
290 | setmode(0, O_BINARY); | |
291 | #endif | |
8efc0c15 | 292 | break; |
8efc0c15 | 293 | default: |
294 | usage(); | |
295 | } | |
296 | argc -= optind; | |
297 | argv += optind; | |
298 | ||
299 | if ((pwd = getpwuid(userid = getuid())) == NULL) | |
261bd618 | 300 | fatal("unknown user %u", (u_int) userid); |
8efc0c15 | 301 | |
5260325f | 302 | if (!isatty(STDERR_FILENO)) |
8efc0c15 | 303 | showprogress = 0; |
304 | ||
305 | remin = STDIN_FILENO; | |
306 | remout = STDOUT_FILENO; | |
307 | ||
2b87da3b | 308 | if (fflag) { |
5260325f | 309 | /* Follow "protocol", send data. */ |
310 | (void) response(); | |
8efc0c15 | 311 | source(argc, argv); |
312 | exit(errs != 0); | |
313 | } | |
5260325f | 314 | if (tflag) { |
315 | /* Receive data. */ | |
8efc0c15 | 316 | sink(argc, argv); |
317 | exit(errs != 0); | |
318 | } | |
8efc0c15 | 319 | if (argc < 2) |
320 | usage(); | |
321 | if (argc > 2) | |
322 | targetshouldbedirectory = 1; | |
323 | ||
324 | remin = remout = -1; | |
252d1a24 | 325 | do_cmd_pid = -1; |
8efc0c15 | 326 | /* Command to be executed on remote system using "ssh". */ |
0ed28836 | 327 | (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", |
328 | verbose_mode ? " -v" : "", | |
2e73a022 | 329 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
330 | targetshouldbedirectory ? " -d" : ""); | |
8efc0c15 | 331 | |
5260325f | 332 | (void) signal(SIGPIPE, lostconn); |
8efc0c15 | 333 | |
334 | if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ | |
335 | toremote(targ, argc, argv); | |
336 | else { | |
5260325f | 337 | tolocal(argc, argv); /* Dest is local host. */ |
8efc0c15 | 338 | if (targetshouldbedirectory) |
339 | verifydir(argv[argc - 1]); | |
340 | } | |
252d1a24 | 341 | /* |
342 | * Finally check the exit status of the ssh process, if one was forked | |
343 | * and no error has occured yet | |
344 | */ | |
345 | if (do_cmd_pid != -1 && errs == 0) { | |
346 | if (remin != -1) | |
347 | (void) close(remin); | |
348 | if (remout != -1) | |
349 | (void) close(remout); | |
350 | if (waitpid(do_cmd_pid, &status, 0) == -1) | |
351 | errs = 1; | |
352 | else { | |
353 | if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) | |
354 | errs = 1; | |
355 | } | |
356 | } | |
8efc0c15 | 357 | exit(errs != 0); |
358 | } | |
359 | ||
360 | void | |
cf3248b8 | 361 | toremote(char *targ, int argc, char **argv) |
8efc0c15 | 362 | { |
363 | int i, len; | |
364 | char *bp, *host, *src, *suser, *thost, *tuser; | |
365 | ||
366 | *targ++ = 0; | |
367 | if (*targ == 0) | |
368 | targ = "."; | |
369 | ||
15748b4d | 370 | if ((thost = strrchr(argv[argc - 1], '@'))) { |
8efc0c15 | 371 | /* user@host */ |
372 | *thost++ = 0; | |
373 | tuser = argv[argc - 1]; | |
374 | if (*tuser == '\0') | |
375 | tuser = NULL; | |
8efc0c15 | 376 | } else { |
377 | thost = argv[argc - 1]; | |
378 | tuser = NULL; | |
379 | } | |
380 | ||
381 | for (i = 0; i < argc - 1; i++) { | |
382 | src = colon(argv[i]); | |
5260325f | 383 | if (src) { /* remote to remote */ |
e1c5bfaf | 384 | static char *ssh_options = |
61eb812e | 385 | "-x -o'ClearAllForwardings yes'"; |
8efc0c15 | 386 | *src++ = 0; |
387 | if (*src == 0) | |
388 | src = "."; | |
15748b4d | 389 | host = strrchr(argv[i], '@'); |
2e73a022 | 390 | len = strlen(ssh_program) + strlen(argv[i]) + |
391 | strlen(src) + (tuser ? strlen(tuser) : 0) + | |
e1c5bfaf | 392 | strlen(thost) + strlen(targ) + |
393 | strlen(ssh_options) + CMDNEEDS + 20; | |
5260325f | 394 | bp = xmalloc(len); |
8efc0c15 | 395 | if (host) { |
396 | *host++ = 0; | |
48e671d5 | 397 | host = cleanhostname(host); |
8efc0c15 | 398 | suser = argv[i]; |
399 | if (*suser == '\0') | |
400 | suser = pwd->pw_name; | |
3e2f2431 | 401 | else if (!okname(suser)) { |
402 | xfree(bp); | |
8efc0c15 | 403 | continue; |
3e2f2431 | 404 | } |
405 | if (tuser && !okname(tuser)) { | |
406 | xfree(bp); | |
0ec7661a | 407 | continue; |
3e2f2431 | 408 | } |
0ed28836 | 409 | snprintf(bp, len, |
e1c5bfaf | 410 | "%s%s %s -n " |
0ed28836 | 411 | "-l %s %s %s %s '%s%s%s:%s'", |
71c0d06a | 412 | ssh_program, verbose_mode ? " -v" : "", |
e1c5bfaf | 413 | ssh_options, suser, host, cmd, src, |
71c0d06a | 414 | tuser ? tuser : "", tuser ? "@" : "", |
415 | thost, targ); | |
48e671d5 | 416 | } else { |
417 | host = cleanhostname(argv[i]); | |
0ed28836 | 418 | snprintf(bp, len, |
e1c5bfaf | 419 | "exec %s%s %s -n %s " |
0ed28836 | 420 | "%s %s '%s%s%s:%s'", |
71c0d06a | 421 | ssh_program, verbose_mode ? " -v" : "", |
e1c5bfaf | 422 | ssh_options, host, cmd, src, |
71c0d06a | 423 | tuser ? tuser : "", tuser ? "@" : "", |
424 | thost, targ); | |
48e671d5 | 425 | } |
5260325f | 426 | if (verbose_mode) |
427 | fprintf(stderr, "Executing: %s\n", bp); | |
815a8407 | 428 | if (system(bp) != 0) |
429 | errs = 1; | |
5260325f | 430 | (void) xfree(bp); |
431 | } else { /* local to remote */ | |
8efc0c15 | 432 | if (remin == -1) { |
433 | len = strlen(targ) + CMDNEEDS + 20; | |
5260325f | 434 | bp = xmalloc(len); |
0ed28836 | 435 | (void) snprintf(bp, len, "%s -t %s", cmd, targ); |
48e671d5 | 436 | host = cleanhostname(thost); |
2e73a022 | 437 | if (do_cmd(host, tuser, bp, &remin, |
438 | &remout, argc) < 0) | |
5260325f | 439 | exit(1); |
8efc0c15 | 440 | if (response() < 0) |
441 | exit(1); | |
5260325f | 442 | (void) xfree(bp); |
8efc0c15 | 443 | } |
5260325f | 444 | source(1, argv + i); |
8efc0c15 | 445 | } |
446 | } | |
447 | } | |
448 | ||
449 | void | |
cf3248b8 | 450 | tolocal(int argc, char **argv) |
8efc0c15 | 451 | { |
452 | int i, len; | |
453 | char *bp, *host, *src, *suser; | |
454 | ||
455 | for (i = 0; i < argc - 1; i++) { | |
5260325f | 456 | if (!(src = colon(argv[i]))) { /* Local to local. */ |
8efc0c15 | 457 | len = strlen(_PATH_CP) + strlen(argv[i]) + |
2e73a022 | 458 | strlen(argv[argc - 1]) + 20; |
8efc0c15 | 459 | bp = xmalloc(len); |
0ed28836 | 460 | (void) snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP, |
2e73a022 | 461 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
462 | argv[i], argv[argc - 1]); | |
5260325f | 463 | if (verbose_mode) |
464 | fprintf(stderr, "Executing: %s\n", bp); | |
8efc0c15 | 465 | if (system(bp)) |
466 | ++errs; | |
5260325f | 467 | (void) xfree(bp); |
8efc0c15 | 468 | continue; |
469 | } | |
470 | *src++ = 0; | |
471 | if (*src == 0) | |
472 | src = "."; | |
15748b4d | 473 | if ((host = strrchr(argv[i], '@')) == NULL) { |
8efc0c15 | 474 | host = argv[i]; |
475 | suser = NULL; | |
476 | } else { | |
477 | *host++ = 0; | |
478 | suser = argv[i]; | |
479 | if (*suser == '\0') | |
480 | suser = pwd->pw_name; | |
8efc0c15 | 481 | } |
48e671d5 | 482 | host = cleanhostname(host); |
8efc0c15 | 483 | len = strlen(src) + CMDNEEDS + 20; |
5260325f | 484 | bp = xmalloc(len); |
0ed28836 | 485 | (void) snprintf(bp, len, "%s -f %s", cmd, src); |
2e73a022 | 486 | if (do_cmd(host, suser, bp, &remin, &remout, argc) < 0) { |
5260325f | 487 | (void) xfree(bp); |
488 | ++errs; | |
489 | continue; | |
8efc0c15 | 490 | } |
5260325f | 491 | xfree(bp); |
8efc0c15 | 492 | sink(1, argv + argc - 1); |
5260325f | 493 | (void) close(remin); |
8efc0c15 | 494 | remin = remout = -1; |
495 | } | |
496 | } | |
497 | ||
498 | void | |
cf3248b8 | 499 | source(int argc, char **argv) |
8efc0c15 | 500 | { |
501 | struct stat stb; | |
502 | static BUF buffer; | |
503 | BUF *bp; | |
b65c3807 | 504 | off_t i, amt, result, statbytes; |
ba917921 | 505 | int fd, haderr, indx; |
8efc0c15 | 506 | char *last, *name, buf[2048]; |
0fc791ba | 507 | int len; |
8efc0c15 | 508 | |
509 | for (indx = 0; indx < argc; ++indx) { | |
5260325f | 510 | name = argv[indx]; |
8efc0c15 | 511 | statbytes = 0; |
0fc791ba | 512 | len = strlen(name); |
513 | while (len > 1 && name[len-1] == '/') | |
514 | name[--len] = '\0'; | |
5720c10e | 515 | if (strchr(name, '\n') != NULL) { |
516 | run_err("%s: skipping, filename contains a newline", | |
517 | name); | |
518 | goto next; | |
519 | } | |
8efc0c15 | 520 | if ((fd = open(name, O_RDONLY, 0)) < 0) |
521 | goto syserr; | |
522 | if (fstat(fd, &stb) < 0) { | |
523 | syserr: run_err("%s: %s", name, strerror(errno)); | |
524 | goto next; | |
525 | } | |
526 | switch (stb.st_mode & S_IFMT) { | |
527 | case S_IFREG: | |
528 | break; | |
529 | case S_IFDIR: | |
530 | if (iamrecursive) { | |
531 | rsource(name, &stb); | |
532 | goto next; | |
533 | } | |
534 | /* FALLTHROUGH */ | |
535 | default: | |
536 | run_err("%s: not a regular file", name); | |
537 | goto next; | |
538 | } | |
539 | if ((last = strrchr(name, '/')) == NULL) | |
540 | last = name; | |
541 | else | |
542 | ++last; | |
543 | curfile = last; | |
544 | if (pflag) { | |
545 | /* | |
546 | * Make it compatible with possible future | |
547 | * versions expecting microseconds. | |
548 | */ | |
0ed28836 | 549 | (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", |
1e3b8b07 | 550 | (u_long) stb.st_mtime, |
551 | (u_long) stb.st_atime); | |
dc54438a | 552 | (void) atomicio(vwrite, remout, buf, strlen(buf)); |
8efc0c15 | 553 | if (response() < 0) |
554 | goto next; | |
555 | } | |
556 | #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) | |
bf1d27bd | 557 | snprintf(buf, sizeof buf, "C%04o %lld %s\n", |
1e3b8b07 | 558 | (u_int) (stb.st_mode & FILEMODEMASK), |
ded9dd18 | 559 | (int64_t)stb.st_size, last); |
5260325f | 560 | if (verbose_mode) { |
561 | fprintf(stderr, "Sending file modes: %s", buf); | |
5260325f | 562 | } |
dc54438a | 563 | (void) atomicio(vwrite, remout, buf, strlen(buf)); |
8efc0c15 | 564 | if (response() < 0) |
565 | goto next; | |
566 | if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) { | |
5260325f | 567 | next: (void) close(fd); |
8efc0c15 | 568 | continue; |
569 | } | |
b65c3807 | 570 | if (showprogress) |
571 | start_progress_meter(curfile, stb.st_size, &statbytes); | |
8efc0c15 | 572 | /* Keep writing after an error so that we stay sync'd up. */ |
573 | for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { | |
574 | amt = bp->cnt; | |
575 | if (i + amt > stb.st_size) | |
576 | amt = stb.st_size - i; | |
577 | if (!haderr) { | |
1d1ffb87 | 578 | result = atomicio(read, fd, bp->buf, amt); |
8efc0c15 | 579 | if (result != amt) |
580 | haderr = result >= 0 ? EIO : errno; | |
581 | } | |
582 | if (haderr) | |
dc54438a | 583 | (void) atomicio(vwrite, remout, bp->buf, amt); |
8efc0c15 | 584 | else { |
dc54438a | 585 | result = atomicio(vwrite, remout, bp->buf, amt); |
8efc0c15 | 586 | if (result != amt) |
587 | haderr = result >= 0 ? EIO : errno; | |
588 | statbytes += result; | |
589 | } | |
10adbb52 | 590 | if (limit_rate) |
6ea3c52a | 591 | bwlimit(amt); |
8efc0c15 | 592 | } |
5260325f | 593 | if (showprogress) |
b65c3807 | 594 | stop_progress_meter(); |
8efc0c15 | 595 | |
596 | if (close(fd) < 0 && !haderr) | |
597 | haderr = errno; | |
598 | if (!haderr) | |
dc54438a | 599 | (void) atomicio(vwrite, remout, "", 1); |
8efc0c15 | 600 | else |
601 | run_err("%s: %s", name, strerror(haderr)); | |
5260325f | 602 | (void) response(); |
8efc0c15 | 603 | } |
604 | } | |
605 | ||
606 | void | |
cf3248b8 | 607 | rsource(char *name, struct stat *statp) |
8efc0c15 | 608 | { |
609 | DIR *dirp; | |
610 | struct dirent *dp; | |
611 | char *last, *vect[1], path[1100]; | |
612 | ||
613 | if (!(dirp = opendir(name))) { | |
614 | run_err("%s: %s", name, strerror(errno)); | |
615 | return; | |
616 | } | |
617 | last = strrchr(name, '/'); | |
618 | if (last == 0) | |
619 | last = name; | |
620 | else | |
621 | last++; | |
622 | if (pflag) { | |
0ed28836 | 623 | (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", |
1e3b8b07 | 624 | (u_long) statp->st_mtime, |
625 | (u_long) statp->st_atime); | |
dc54438a | 626 | (void) atomicio(vwrite, remout, path, strlen(path)); |
8efc0c15 | 627 | if (response() < 0) { |
628 | closedir(dirp); | |
629 | return; | |
630 | } | |
631 | } | |
0ed28836 | 632 | (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", |
1e3b8b07 | 633 | (u_int) (statp->st_mode & FILEMODEMASK), 0, last); |
5260325f | 634 | if (verbose_mode) |
635 | fprintf(stderr, "Entering directory: %s", path); | |
dc54438a | 636 | (void) atomicio(vwrite, remout, path, strlen(path)); |
8efc0c15 | 637 | if (response() < 0) { |
638 | closedir(dirp); | |
639 | return; | |
640 | } | |
e5ff6ecf | 641 | while ((dp = readdir(dirp)) != NULL) { |
8efc0c15 | 642 | if (dp->d_ino == 0) |
643 | continue; | |
644 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) | |
645 | continue; | |
646 | if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { | |
647 | run_err("%s/%s: name too long", name, dp->d_name); | |
648 | continue; | |
649 | } | |
0ed28836 | 650 | (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); |
8efc0c15 | 651 | vect[0] = path; |
652 | source(1, vect); | |
653 | } | |
5260325f | 654 | (void) closedir(dirp); |
dc54438a | 655 | (void) atomicio(vwrite, remout, "E\n", 2); |
5260325f | 656 | (void) response(); |
8efc0c15 | 657 | } |
658 | ||
6ea3c52a | 659 | void |
660 | bwlimit(int amount) | |
661 | { | |
662 | static struct timeval bwstart, bwend; | |
663 | static int lamt, thresh = 16384; | |
ca75d7de | 664 | u_int64_t waitlen; |
6ea3c52a | 665 | struct timespec ts, rm; |
666 | ||
667 | if (!timerisset(&bwstart)) { | |
668 | gettimeofday(&bwstart, NULL); | |
669 | return; | |
670 | } | |
671 | ||
672 | lamt += amount; | |
673 | if (lamt < thresh) | |
674 | return; | |
675 | ||
676 | gettimeofday(&bwend, NULL); | |
677 | timersub(&bwend, &bwstart, &bwend); | |
678 | if (!timerisset(&bwend)) | |
679 | return; | |
680 | ||
681 | lamt *= 8; | |
ca75d7de | 682 | waitlen = (double)1000000L * lamt / limit_rate; |
6ea3c52a | 683 | |
ca75d7de | 684 | bwstart.tv_sec = waitlen / 1000000L; |
685 | bwstart.tv_usec = waitlen % 1000000L; | |
6ea3c52a | 686 | |
687 | if (timercmp(&bwstart, &bwend, >)) { | |
688 | timersub(&bwstart, &bwend, &bwend); | |
689 | ||
690 | /* Adjust the wait time */ | |
691 | if (bwend.tv_sec) { | |
692 | thresh /= 2; | |
693 | if (thresh < 2048) | |
694 | thresh = 2048; | |
695 | } else if (bwend.tv_usec < 100) { | |
696 | thresh *= 2; | |
697 | if (thresh > 32768) | |
698 | thresh = 32768; | |
699 | } | |
700 | ||
701 | TIMEVAL_TO_TIMESPEC(&bwend, &ts); | |
702 | while (nanosleep(&ts, &rm) == -1) { | |
703 | if (errno != EINTR) | |
704 | break; | |
705 | ts = rm; | |
706 | } | |
707 | } | |
708 | ||
709 | lamt = 0; | |
710 | gettimeofday(&bwstart, NULL); | |
711 | } | |
712 | ||
8efc0c15 | 713 | void |
cf3248b8 | 714 | sink(int argc, char **argv) |
8efc0c15 | 715 | { |
716 | static BUF buffer; | |
717 | struct stat stb; | |
5260325f | 718 | enum { |
719 | YES, NO, DISPLAYED | |
720 | } wrerr; | |
8efc0c15 | 721 | BUF *bp; |
722 | off_t i, j; | |
723 | int amt, count, exists, first, mask, mode, ofd, omode; | |
b65c3807 | 724 | off_t size, statbytes; |
14a9a859 | 725 | int setimes, targisdir, wrerrno = 0; |
8efc0c15 | 726 | char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; |
188adeb2 | 727 | struct timeval tv[2]; |
8efc0c15 | 728 | |
36967a16 | 729 | #define atime tv[0] |
730 | #define mtime tv[1] | |
007607ab | 731 | #define SCREWUP(str) { why = str; goto screwup; } |
8efc0c15 | 732 | |
733 | setimes = targisdir = 0; | |
734 | mask = umask(0); | |
735 | if (!pflag) | |
5260325f | 736 | (void) umask(mask); |
8efc0c15 | 737 | if (argc != 1) { |
738 | run_err("ambiguous target"); | |
739 | exit(1); | |
740 | } | |
741 | targ = *argv; | |
742 | if (targetshouldbedirectory) | |
743 | verifydir(targ); | |
5260325f | 744 | |
dc54438a | 745 | (void) atomicio(vwrite, remout, "", 1); |
8efc0c15 | 746 | if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) |
747 | targisdir = 1; | |
748 | for (first = 1;; first = 0) { | |
749 | cp = buf; | |
1d1ffb87 | 750 | if (atomicio(read, remin, cp, 1) <= 0) |
8efc0c15 | 751 | return; |
752 | if (*cp++ == '\n') | |
753 | SCREWUP("unexpected <newline>"); | |
754 | do { | |
1d1ffb87 | 755 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
8efc0c15 | 756 | SCREWUP("lost connection"); |
757 | *cp++ = ch; | |
758 | } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); | |
759 | *cp = 0; | |
f09aa22c | 760 | if (verbose_mode) |
761 | fprintf(stderr, "Sink: %s", buf); | |
8efc0c15 | 762 | |
763 | if (buf[0] == '\01' || buf[0] == '\02') { | |
764 | if (iamremote == 0) | |
dc54438a | 765 | (void) atomicio(vwrite, STDERR_FILENO, |
71c0d06a | 766 | buf + 1, strlen(buf + 1)); |
8efc0c15 | 767 | if (buf[0] == '\02') |
768 | exit(1); | |
769 | ++errs; | |
770 | continue; | |
771 | } | |
772 | if (buf[0] == 'E') { | |
dc54438a | 773 | (void) atomicio(vwrite, remout, "", 1); |
8efc0c15 | 774 | return; |
775 | } | |
8efc0c15 | 776 | if (ch == '\n') |
777 | *--cp = 0; | |
778 | ||
8efc0c15 | 779 | cp = buf; |
780 | if (*cp == 'T') { | |
781 | setimes++; | |
782 | cp++; | |
36967a16 | 783 | mtime.tv_sec = strtol(cp, &cp, 10); |
784 | if (!cp || *cp++ != ' ') | |
8efc0c15 | 785 | SCREWUP("mtime.sec not delimited"); |
36967a16 | 786 | mtime.tv_usec = strtol(cp, &cp, 10); |
787 | if (!cp || *cp++ != ' ') | |
8efc0c15 | 788 | SCREWUP("mtime.usec not delimited"); |
36967a16 | 789 | atime.tv_sec = strtol(cp, &cp, 10); |
790 | if (!cp || *cp++ != ' ') | |
8efc0c15 | 791 | SCREWUP("atime.sec not delimited"); |
36967a16 | 792 | atime.tv_usec = strtol(cp, &cp, 10); |
793 | if (!cp || *cp++ != '\0') | |
8efc0c15 | 794 | SCREWUP("atime.usec not delimited"); |
dc54438a | 795 | (void) atomicio(vwrite, remout, "", 1); |
8efc0c15 | 796 | continue; |
797 | } | |
798 | if (*cp != 'C' && *cp != 'D') { | |
799 | /* | |
800 | * Check for the case "rcp remote:foo\* local:bar". | |
801 | * In this case, the line "No match." can be returned | |
802 | * by the shell before the rcp command on the remote is | |
803 | * executed so the ^Aerror_message convention isn't | |
804 | * followed. | |
805 | */ | |
806 | if (first) { | |
807 | run_err("%s", cp); | |
808 | exit(1); | |
809 | } | |
810 | SCREWUP("expected control record"); | |
811 | } | |
812 | mode = 0; | |
813 | for (++cp; cp < buf + 5; cp++) { | |
814 | if (*cp < '0' || *cp > '7') | |
815 | SCREWUP("bad mode"); | |
816 | mode = (mode << 3) | (*cp - '0'); | |
817 | } | |
818 | if (*cp++ != ' ') | |
819 | SCREWUP("mode not delimited"); | |
820 | ||
e5ff6ecf | 821 | for (size = 0; isdigit(*cp);) |
8efc0c15 | 822 | size = size * 10 + (*cp++ - '0'); |
823 | if (*cp++ != ' ') | |
824 | SCREWUP("size not delimited"); | |
f09aa22c | 825 | if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) { |
826 | run_err("error: unexpected filename: %s", cp); | |
827 | exit(1); | |
828 | } | |
8efc0c15 | 829 | if (targisdir) { |
830 | static char *namebuf; | |
831 | static int cursize; | |
832 | size_t need; | |
833 | ||
834 | need = strlen(targ) + strlen(cp) + 250; | |
0ed28836 | 835 | if (need > cursize) { |
836 | if (namebuf) | |
837 | xfree(namebuf); | |
5260325f | 838 | namebuf = xmalloc(need); |
0ed28836 | 839 | cursize = need; |
840 | } | |
841 | (void) snprintf(namebuf, need, "%s%s%s", targ, | |
39f9599a | 842 | strcmp(targ, "/") ? "/" : "", cp); |
8efc0c15 | 843 | np = namebuf; |
844 | } else | |
845 | np = targ; | |
846 | curfile = cp; | |
847 | exists = stat(np, &stb) == 0; | |
848 | if (buf[0] == 'D') { | |
849 | int mod_flag = pflag; | |
f09aa22c | 850 | if (!iamrecursive) |
851 | SCREWUP("received directory without -r"); | |
8efc0c15 | 852 | if (exists) { |
853 | if (!S_ISDIR(stb.st_mode)) { | |
854 | errno = ENOTDIR; | |
855 | goto bad; | |
856 | } | |
857 | if (pflag) | |
5260325f | 858 | (void) chmod(np, mode); |
8efc0c15 | 859 | } else { |
5260325f | 860 | /* Handle copying from a read-only |
861 | directory */ | |
8efc0c15 | 862 | mod_flag = 1; |
863 | if (mkdir(np, mode | S_IRWXU) < 0) | |
864 | goto bad; | |
865 | } | |
5c470997 | 866 | vect[0] = xstrdup(np); |
8efc0c15 | 867 | sink(1, vect); |
868 | if (setimes) { | |
869 | setimes = 0; | |
e68225b2 | 870 | if (utimes(vect[0], tv) < 0) |
5260325f | 871 | run_err("%s: set times: %s", |
e68225b2 | 872 | vect[0], strerror(errno)); |
8efc0c15 | 873 | } |
874 | if (mod_flag) | |
e68225b2 | 875 | (void) chmod(vect[0], mode); |
876 | if (vect[0]) | |
877 | xfree(vect[0]); | |
8efc0c15 | 878 | continue; |
879 | } | |
880 | omode = mode; | |
881 | mode |= S_IWRITE; | |
3e4fc5f9 | 882 | if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { |
8efc0c15 | 883 | bad: run_err("%s: %s", np, strerror(errno)); |
884 | continue; | |
885 | } | |
dc54438a | 886 | (void) atomicio(vwrite, remout, "", 1); |
8efc0c15 | 887 | if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) { |
5260325f | 888 | (void) close(ofd); |
8efc0c15 | 889 | continue; |
890 | } | |
891 | cp = bp->buf; | |
892 | wrerr = NO; | |
893 | ||
8efc0c15 | 894 | statbytes = 0; |
b65c3807 | 895 | if (showprogress) |
896 | start_progress_meter(curfile, size, &statbytes); | |
8efc0c15 | 897 | for (count = i = 0; i < size; i += 4096) { |
898 | amt = 4096; | |
899 | if (i + amt > size) | |
900 | amt = size - i; | |
901 | count += amt; | |
902 | do { | |
f581b6e8 | 903 | j = atomicio(read, remin, cp, amt); |
904 | if (j <= 0) { | |
8efc0c15 | 905 | run_err("%s", j ? strerror(errno) : |
e5ff6ecf | 906 | "dropped connection"); |
8efc0c15 | 907 | exit(1); |
908 | } | |
909 | amt -= j; | |
910 | cp += j; | |
5260325f | 911 | statbytes += j; |
8efc0c15 | 912 | } while (amt > 0); |
b6453d99 | 913 | |
10adbb52 | 914 | if (limit_rate) |
6ea3c52a | 915 | bwlimit(4096); |
916 | ||
8efc0c15 | 917 | if (count == bp->cnt) { |
918 | /* Keep reading so we stay sync'd up. */ | |
919 | if (wrerr == NO) { | |
dc54438a | 920 | j = atomicio(vwrite, ofd, bp->buf, count); |
8efc0c15 | 921 | if (j != count) { |
922 | wrerr = YES; | |
5260325f | 923 | wrerrno = j >= 0 ? EIO : errno; |
8efc0c15 | 924 | } |
925 | } | |
926 | count = 0; | |
927 | cp = bp->buf; | |
928 | } | |
929 | } | |
930 | if (showprogress) | |
b65c3807 | 931 | stop_progress_meter(); |
8efc0c15 | 932 | if (count != 0 && wrerr == NO && |
dc54438a | 933 | (j = atomicio(vwrite, ofd, bp->buf, count)) != count) { |
8efc0c15 | 934 | wrerr = YES; |
5260325f | 935 | wrerrno = j >= 0 ? EIO : errno; |
8efc0c15 | 936 | } |
25a6efd8 | 937 | if (wrerr == NO && ftruncate(ofd, size) != 0) { |
8efc0c15 | 938 | run_err("%s: truncate: %s", np, strerror(errno)); |
939 | wrerr = DISPLAYED; | |
940 | } | |
8efc0c15 | 941 | if (pflag) { |
942 | if (exists || omode != mode) | |
77bb0bca | 943 | #ifdef HAVE_FCHMOD |
7e693c81 | 944 | if (fchmod(ofd, omode)) { |
77bb0bca | 945 | #else /* HAVE_FCHMOD */ |
7e693c81 | 946 | if (chmod(np, omode)) { |
77bb0bca | 947 | #endif /* HAVE_FCHMOD */ |
8efc0c15 | 948 | run_err("%s: set mode: %s", |
e5ff6ecf | 949 | np, strerror(errno)); |
7e693c81 | 950 | wrerr = DISPLAYED; |
951 | } | |
8efc0c15 | 952 | } else { |
953 | if (!exists && omode != mode) | |
77bb0bca | 954 | #ifdef HAVE_FCHMOD |
7e693c81 | 955 | if (fchmod(ofd, omode & ~mask)) { |
77bb0bca | 956 | #else /* HAVE_FCHMOD */ |
7e693c81 | 957 | if (chmod(np, omode & ~mask)) { |
77bb0bca | 958 | #endif /* HAVE_FCHMOD */ |
8efc0c15 | 959 | run_err("%s: set mode: %s", |
e5ff6ecf | 960 | np, strerror(errno)); |
7e693c81 | 961 | wrerr = DISPLAYED; |
962 | } | |
8efc0c15 | 963 | } |
704b1659 | 964 | if (close(ofd) == -1) { |
965 | wrerr = YES; | |
966 | wrerrno = errno; | |
967 | } | |
5260325f | 968 | (void) response(); |
8efc0c15 | 969 | if (setimes && wrerr == NO) { |
970 | setimes = 0; | |
188adeb2 | 971 | if (utimes(np, tv) < 0) { |
8efc0c15 | 972 | run_err("%s: set times: %s", |
e5ff6ecf | 973 | np, strerror(errno)); |
8efc0c15 | 974 | wrerr = DISPLAYED; |
975 | } | |
976 | } | |
5260325f | 977 | switch (wrerr) { |
8efc0c15 | 978 | case YES: |
979 | run_err("%s: %s", np, strerror(wrerrno)); | |
980 | break; | |
981 | case NO: | |
dc54438a | 982 | (void) atomicio(vwrite, remout, "", 1); |
8efc0c15 | 983 | break; |
984 | case DISPLAYED: | |
985 | break; | |
986 | } | |
987 | } | |
988 | screwup: | |
989 | run_err("protocol error: %s", why); | |
990 | exit(1); | |
991 | } | |
992 | ||
993 | int | |
d5bb9418 | 994 | response(void) |
8efc0c15 | 995 | { |
996 | char ch, *cp, resp, rbuf[2048]; | |
997 | ||
1d1ffb87 | 998 | if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) |
8efc0c15 | 999 | lostconn(0); |
1000 | ||
1001 | cp = rbuf; | |
5260325f | 1002 | switch (resp) { |
1003 | case 0: /* ok */ | |
8efc0c15 | 1004 | return (0); |
1005 | default: | |
1006 | *cp++ = resp; | |
1007 | /* FALLTHROUGH */ | |
5260325f | 1008 | case 1: /* error, followed by error msg */ |
1009 | case 2: /* fatal error, "" */ | |
8efc0c15 | 1010 | do { |
1d1ffb87 | 1011 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
8efc0c15 | 1012 | lostconn(0); |
1013 | *cp++ = ch; | |
1014 | } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); | |
1015 | ||
1016 | if (!iamremote) | |
dc54438a | 1017 | (void) atomicio(vwrite, STDERR_FILENO, rbuf, cp - rbuf); |
8efc0c15 | 1018 | ++errs; |
1019 | if (resp == 1) | |
1020 | return (-1); | |
1021 | exit(1); | |
1022 | } | |
1023 | /* NOTREACHED */ | |
1024 | } | |
1025 | ||
1026 | void | |
d5bb9418 | 1027 | usage(void) |
8efc0c15 | 1028 | { |
f1278af7 | 1029 | (void) fprintf(stderr, |
433e60ac | 1030 | "usage: scp [-1246BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]\n" |
1031 | " [-l limit] [-o ssh_option] [-P port] [-S program]\n" | |
3015d321 | 1032 | " [[user@]host1:]file1 [...] [[user@]host2:]file2\n"); |
8efc0c15 | 1033 | exit(1); |
1034 | } | |
1035 | ||
1036 | void | |
5260325f | 1037 | run_err(const char *fmt,...) |
8efc0c15 | 1038 | { |
1039 | static FILE *fp; | |
1040 | va_list ap; | |
8efc0c15 | 1041 | |
1042 | ++errs; | |
1043 | if (fp == NULL && !(fp = fdopen(remout, "w"))) | |
1044 | return; | |
5260325f | 1045 | (void) fprintf(fp, "%c", 0x01); |
1046 | (void) fprintf(fp, "scp: "); | |
b92964b7 | 1047 | va_start(ap, fmt); |
5260325f | 1048 | (void) vfprintf(fp, fmt, ap); |
b92964b7 | 1049 | va_end(ap); |
5260325f | 1050 | (void) fprintf(fp, "\n"); |
1051 | (void) fflush(fp); | |
1052 | ||
1053 | if (!iamremote) { | |
b92964b7 | 1054 | va_start(ap, fmt); |
5260325f | 1055 | vfprintf(stderr, fmt, ap); |
b92964b7 | 1056 | va_end(ap); |
5260325f | 1057 | fprintf(stderr, "\n"); |
1058 | } | |
8efc0c15 | 1059 | } |
1060 | ||
8efc0c15 | 1061 | void |
cf3248b8 | 1062 | verifydir(char *cp) |
8efc0c15 | 1063 | { |
1064 | struct stat stb; | |
1065 | ||
1066 | if (!stat(cp, &stb)) { | |
1067 | if (S_ISDIR(stb.st_mode)) | |
1068 | return; | |
1069 | errno = ENOTDIR; | |
1070 | } | |
1071 | run_err("%s: %s", cp, strerror(errno)); | |
1072 | exit(1); | |
1073 | } | |
1074 | ||
1075 | int | |
cf3248b8 | 1076 | okname(char *cp0) |
8efc0c15 | 1077 | { |
1078 | int c; | |
1079 | char *cp; | |
1080 | ||
1081 | cp = cp0; | |
1082 | do { | |
cb220a93 | 1083 | c = (int)*cp; |
8efc0c15 | 1084 | if (c & 0200) |
1085 | goto bad; | |
0ec7661a | 1086 | if (!isalpha(c) && !isdigit(c)) { |
1087 | switch (c) { | |
1088 | case '\'': | |
1089 | case '"': | |
1090 | case '`': | |
1091 | case ' ': | |
1092 | case '#': | |
1093 | goto bad; | |
1094 | default: | |
1095 | break; | |
1096 | } | |
1097 | } | |
8efc0c15 | 1098 | } while (*++cp); |
1099 | return (1); | |
1100 | ||
c8d54615 | 1101 | bad: fprintf(stderr, "%s: invalid user name\n", cp0); |
8efc0c15 | 1102 | return (0); |
1103 | } | |
1104 | ||
1105 | BUF * | |
cf3248b8 | 1106 | allocbuf(BUF *bp, int fd, int blksize) |
8efc0c15 | 1107 | { |
1108 | size_t size; | |
98a7c37b | 1109 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE |
8efc0c15 | 1110 | struct stat stb; |
1111 | ||
1112 | if (fstat(fd, &stb) < 0) { | |
1113 | run_err("fstat: %s", strerror(errno)); | |
1114 | return (0); | |
1115 | } | |
a0a14bcd | 1116 | size = roundup(stb.st_blksize, blksize); |
1117 | if (size == 0) | |
5260325f | 1118 | size = blksize; |
98a7c37b | 1119 | #else /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
2b87da3b | 1120 | size = blksize; |
98a7c37b | 1121 | #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
8efc0c15 | 1122 | if (bp->cnt >= size) |
1123 | return (bp); | |
5260325f | 1124 | if (bp->buf == NULL) |
1125 | bp->buf = xmalloc(size); | |
1126 | else | |
1127 | bp->buf = xrealloc(bp->buf, size); | |
46660a9e | 1128 | memset(bp->buf, 0, size); |
8efc0c15 | 1129 | bp->cnt = size; |
1130 | return (bp); | |
1131 | } | |
1132 | ||
1133 | void | |
cf3248b8 | 1134 | lostconn(int signo) |
8efc0c15 | 1135 | { |
1136 | if (!iamremote) | |
08c260ea | 1137 | write(STDERR_FILENO, "lost connection\n", 16); |
1138 | if (signo) | |
1139 | _exit(1); | |
1140 | else | |
1141 | exit(1); | |
8efc0c15 | 1142 | } |