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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" | |
6ea3c52a | 78 | RCSID("$OpenBSD: scp.c,v 1.99 2003/01/23 14:01:53 markus 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" |
b65c3807 | 85 | #include "progressmeter.h" |
8efc0c15 | 86 | |
260d427b | 87 | #ifdef HAVE___PROGNAME |
88 | extern char *__progname; | |
89 | #else | |
90 | char *__progname; | |
91 | #endif | |
92 | ||
6ea3c52a | 93 | void bwlimit(int); |
94 | ||
8a624ebf | 95 | /* Struct for addargs */ |
96 | arglist args; | |
94ec8c6b | 97 | |
6ea3c52a | 98 | /* Bandwidth limit */ |
99 | off_t limit = 0; | |
100 | ||
8efc0c15 | 101 | /* Name of current file being transferred. */ |
102 | char *curfile; | |
103 | ||
104 | /* This is set to non-zero to enable verbose mode. */ | |
5260325f | 105 | int verbose_mode = 0; |
8efc0c15 | 106 | |
8efc0c15 | 107 | /* This is set to zero if the progressmeter is not desired. */ |
108 | int showprogress = 1; | |
109 | ||
2e73a022 | 110 | /* This is the program to execute for the secured connection. ("ssh" or -S) */ |
42f11eb2 | 111 | char *ssh_program = _PATH_SSH_PROGRAM; |
2e73a022 | 112 | |
252d1a24 | 113 | /* This is used to store the pid of ssh_program */ |
114 | pid_t do_cmd_pid; | |
115 | ||
aa3378df | 116 | /* |
117 | * This function executes the given command as the specified user on the | |
118 | * given host. This returns < 0 if execution fails, and >= 0 otherwise. This | |
119 | * assigns the input and output file descriptors on success. | |
120 | */ | |
8efc0c15 | 121 | |
6ae2364d | 122 | int |
2e73a022 | 123 | do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc) |
8efc0c15 | 124 | { |
5260325f | 125 | int pin[2], pout[2], reserved[2]; |
126 | ||
127 | if (verbose_mode) | |
0b2988ca | 128 | fprintf(stderr, |
129 | "Executing: program %s host %s, user %s, command %s\n", | |
130 | ssh_program, host, | |
131 | remuser ? remuser : "(unspecified)", cmd); | |
5260325f | 132 | |
aa3378df | 133 | /* |
134 | * Reserve two descriptors so that the real pipes won't get | |
135 | * descriptors 0 and 1 because that will screw up dup2 below. | |
136 | */ | |
5260325f | 137 | pipe(reserved); |
138 | ||
139 | /* Create a socket pair for communicating with ssh. */ | |
140 | if (pipe(pin) < 0) | |
141 | fatal("pipe: %s", strerror(errno)); | |
142 | if (pipe(pout) < 0) | |
143 | fatal("pipe: %s", strerror(errno)); | |
144 | ||
145 | /* Free the reserved descriptors. */ | |
146 | close(reserved[0]); | |
147 | close(reserved[1]); | |
148 | ||
149 | /* For a child to execute the command on the remote host using ssh. */ | |
252d1a24 | 150 | do_cmd_pid = fork(); |
151 | if (do_cmd_pid == 0) { | |
5260325f | 152 | /* Child. */ |
153 | close(pin[1]); | |
154 | close(pout[0]); | |
155 | dup2(pin[0], 0); | |
156 | dup2(pout[1], 1); | |
157 | close(pin[0]); | |
158 | close(pout[1]); | |
159 | ||
94ec8c6b | 160 | args.list[0] = ssh_program; |
161 | if (remuser != NULL) | |
8a624ebf | 162 | addargs(&args, "-l%s", remuser); |
163 | addargs(&args, "%s", host); | |
164 | addargs(&args, "%s", cmd); | |
5260325f | 165 | |
94ec8c6b | 166 | execvp(ssh_program, args.list); |
2e73a022 | 167 | perror(ssh_program); |
5260325f | 168 | exit(1); |
252d1a24 | 169 | } else if (do_cmd_pid == -1) { |
170 | fatal("fork: %s", strerror(errno)); | |
8efc0c15 | 171 | } |
5260325f | 172 | /* Parent. Close the other side, and return the local side. */ |
173 | close(pin[0]); | |
174 | *fdout = pin[1]; | |
175 | close(pout[1]); | |
176 | *fdin = pout[0]; | |
177 | return 0; | |
8efc0c15 | 178 | } |
179 | ||
8efc0c15 | 180 | typedef struct { |
181 | int cnt; | |
182 | char *buf; | |
183 | } BUF; | |
184 | ||
5260325f | 185 | BUF *allocbuf(BUF *, int, int); |
5260325f | 186 | void lostconn(int); |
187 | void nospace(void); | |
188 | int okname(char *); | |
189 | void run_err(const char *,...); | |
190 | void verifydir(char *); | |
8efc0c15 | 191 | |
8efc0c15 | 192 | struct passwd *pwd; |
5260325f | 193 | uid_t userid; |
8efc0c15 | 194 | int errs, remin, remout; |
195 | int pflag, iamremote, iamrecursive, targetshouldbedirectory; | |
196 | ||
197 | #define CMDNEEDS 64 | |
198 | char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ | |
199 | ||
5260325f | 200 | int response(void); |
201 | void rsource(char *, struct stat *); | |
202 | void sink(int, char *[]); | |
203 | void source(int, char *[]); | |
204 | void tolocal(int, char *[]); | |
205 | void toremote(char *, int, char *[]); | |
206 | void usage(void); | |
8efc0c15 | 207 | |
208 | int | |
209 | main(argc, argv) | |
210 | int argc; | |
211 | char *argv[]; | |
212 | { | |
252d1a24 | 213 | int ch, fflag, tflag, status; |
6ea3c52a | 214 | double speed; |
215 | char *targ, *endp; | |
8efc0c15 | 216 | extern char *optarg; |
217 | extern int optind; | |
218 | ||
260d427b | 219 | __progname = get_progname(argv[0]); |
220 | ||
94ec8c6b | 221 | args.list = NULL; |
7203d6bb | 222 | addargs(&args, "ssh"); /* overwritten with ssh_program */ |
8a624ebf | 223 | addargs(&args, "-x"); |
3a222388 | 224 | addargs(&args, "-oForwardAgent no"); |
e1c5bfaf | 225 | addargs(&args, "-oClearAllForwardings yes"); |
94ec8c6b | 226 | |
8efc0c15 | 227 | fflag = tflag = 0; |
6ea3c52a | 228 | while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q46S:o:F:")) != -1) |
5260325f | 229 | switch (ch) { |
230 | /* User-visible flags. */ | |
48e671d5 | 231 | case '4': |
48e671d5 | 232 | case '6': |
94ec8c6b | 233 | case 'C': |
8a624ebf | 234 | addargs(&args, "-%c", ch); |
48e671d5 | 235 | break; |
94ec8c6b | 236 | case 'o': |
237 | case 'c': | |
238 | case 'i': | |
f1278af7 | 239 | case 'F': |
8a624ebf | 240 | addargs(&args, "-%c%s", ch, optarg); |
8efc0c15 | 241 | break; |
242 | case 'P': | |
8a624ebf | 243 | addargs(&args, "-p%s", optarg); |
94ec8c6b | 244 | break; |
245 | case 'B': | |
8a624ebf | 246 | addargs(&args, "-oBatchmode yes"); |
94ec8c6b | 247 | break; |
6ea3c52a | 248 | case 'l': |
249 | speed = strtod(optarg, &endp); | |
250 | if (speed <= 0 || *endp != '\0') | |
251 | usage(); | |
252 | limit = speed * 1024; | |
253 | break; | |
94ec8c6b | 254 | case 'p': |
255 | pflag = 1; | |
5260325f | 256 | break; |
8efc0c15 | 257 | case 'r': |
258 | iamrecursive = 1; | |
259 | break; | |
2e73a022 | 260 | case 'S': |
94ec8c6b | 261 | ssh_program = xstrdup(optarg); |
262 | break; | |
263 | case 'v': | |
4fc334a2 | 264 | addargs(&args, "-v"); |
94ec8c6b | 265 | verbose_mode = 1; |
266 | break; | |
267 | case 'q': | |
268 | showprogress = 0; | |
2e73a022 | 269 | break; |
270 | ||
5260325f | 271 | /* Server options. */ |
8efc0c15 | 272 | case 'd': |
273 | targetshouldbedirectory = 1; | |
274 | break; | |
5260325f | 275 | case 'f': /* "from" */ |
8efc0c15 | 276 | iamremote = 1; |
277 | fflag = 1; | |
278 | break; | |
5260325f | 279 | case 't': /* "to" */ |
8efc0c15 | 280 | iamremote = 1; |
281 | tflag = 1; | |
fe56c12b | 282 | #ifdef HAVE_CYGWIN |
283 | setmode(0, O_BINARY); | |
284 | #endif | |
8efc0c15 | 285 | break; |
8efc0c15 | 286 | default: |
287 | usage(); | |
288 | } | |
289 | argc -= optind; | |
290 | argv += optind; | |
291 | ||
292 | if ((pwd = getpwuid(userid = getuid())) == NULL) | |
5260325f | 293 | fatal("unknown user %d", (int) userid); |
8efc0c15 | 294 | |
5260325f | 295 | if (!isatty(STDERR_FILENO)) |
8efc0c15 | 296 | showprogress = 0; |
297 | ||
298 | remin = STDIN_FILENO; | |
299 | remout = STDOUT_FILENO; | |
300 | ||
2b87da3b | 301 | if (fflag) { |
5260325f | 302 | /* Follow "protocol", send data. */ |
303 | (void) response(); | |
8efc0c15 | 304 | source(argc, argv); |
305 | exit(errs != 0); | |
306 | } | |
5260325f | 307 | if (tflag) { |
308 | /* Receive data. */ | |
8efc0c15 | 309 | sink(argc, argv); |
310 | exit(errs != 0); | |
311 | } | |
8efc0c15 | 312 | if (argc < 2) |
313 | usage(); | |
314 | if (argc > 2) | |
315 | targetshouldbedirectory = 1; | |
316 | ||
317 | remin = remout = -1; | |
252d1a24 | 318 | do_cmd_pid = -1; |
8efc0c15 | 319 | /* Command to be executed on remote system using "ssh". */ |
0ed28836 | 320 | (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", |
321 | verbose_mode ? " -v" : "", | |
2e73a022 | 322 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
323 | targetshouldbedirectory ? " -d" : ""); | |
8efc0c15 | 324 | |
5260325f | 325 | (void) signal(SIGPIPE, lostconn); |
8efc0c15 | 326 | |
327 | if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ | |
328 | toremote(targ, argc, argv); | |
329 | else { | |
5260325f | 330 | tolocal(argc, argv); /* Dest is local host. */ |
8efc0c15 | 331 | if (targetshouldbedirectory) |
332 | verifydir(argv[argc - 1]); | |
333 | } | |
252d1a24 | 334 | /* |
335 | * Finally check the exit status of the ssh process, if one was forked | |
336 | * and no error has occured yet | |
337 | */ | |
338 | if (do_cmd_pid != -1 && errs == 0) { | |
339 | if (remin != -1) | |
340 | (void) close(remin); | |
341 | if (remout != -1) | |
342 | (void) close(remout); | |
343 | if (waitpid(do_cmd_pid, &status, 0) == -1) | |
344 | errs = 1; | |
345 | else { | |
346 | if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) | |
347 | errs = 1; | |
348 | } | |
349 | } | |
8efc0c15 | 350 | exit(errs != 0); |
351 | } | |
352 | ||
353 | void | |
354 | toremote(targ, argc, argv) | |
355 | char *targ, *argv[]; | |
356 | int argc; | |
357 | { | |
358 | int i, len; | |
359 | char *bp, *host, *src, *suser, *thost, *tuser; | |
360 | ||
361 | *targ++ = 0; | |
362 | if (*targ == 0) | |
363 | targ = "."; | |
364 | ||
15748b4d | 365 | if ((thost = strrchr(argv[argc - 1], '@'))) { |
8efc0c15 | 366 | /* user@host */ |
367 | *thost++ = 0; | |
368 | tuser = argv[argc - 1]; | |
369 | if (*tuser == '\0') | |
370 | tuser = NULL; | |
371 | else if (!okname(tuser)) | |
372 | exit(1); | |
373 | } else { | |
374 | thost = argv[argc - 1]; | |
375 | tuser = NULL; | |
376 | } | |
377 | ||
378 | for (i = 0; i < argc - 1; i++) { | |
379 | src = colon(argv[i]); | |
5260325f | 380 | if (src) { /* remote to remote */ |
e1c5bfaf | 381 | static char *ssh_options = |
61eb812e | 382 | "-x -o'ClearAllForwardings yes'"; |
8efc0c15 | 383 | *src++ = 0; |
384 | if (*src == 0) | |
385 | src = "."; | |
15748b4d | 386 | host = strrchr(argv[i], '@'); |
2e73a022 | 387 | len = strlen(ssh_program) + strlen(argv[i]) + |
388 | strlen(src) + (tuser ? strlen(tuser) : 0) + | |
e1c5bfaf | 389 | strlen(thost) + strlen(targ) + |
390 | strlen(ssh_options) + CMDNEEDS + 20; | |
5260325f | 391 | bp = xmalloc(len); |
8efc0c15 | 392 | if (host) { |
393 | *host++ = 0; | |
48e671d5 | 394 | host = cleanhostname(host); |
8efc0c15 | 395 | suser = argv[i]; |
396 | if (*suser == '\0') | |
397 | suser = pwd->pw_name; | |
398 | else if (!okname(suser)) | |
399 | continue; | |
0ed28836 | 400 | snprintf(bp, len, |
e1c5bfaf | 401 | "%s%s %s -n " |
0ed28836 | 402 | "-l %s %s %s %s '%s%s%s:%s'", |
71c0d06a | 403 | ssh_program, verbose_mode ? " -v" : "", |
e1c5bfaf | 404 | ssh_options, suser, host, cmd, src, |
71c0d06a | 405 | tuser ? tuser : "", tuser ? "@" : "", |
406 | thost, targ); | |
48e671d5 | 407 | } else { |
408 | host = cleanhostname(argv[i]); | |
0ed28836 | 409 | snprintf(bp, len, |
e1c5bfaf | 410 | "exec %s%s %s -n %s " |
0ed28836 | 411 | "%s %s '%s%s%s:%s'", |
71c0d06a | 412 | ssh_program, verbose_mode ? " -v" : "", |
e1c5bfaf | 413 | ssh_options, host, cmd, src, |
71c0d06a | 414 | tuser ? tuser : "", tuser ? "@" : "", |
415 | thost, targ); | |
48e671d5 | 416 | } |
5260325f | 417 | if (verbose_mode) |
418 | fprintf(stderr, "Executing: %s\n", bp); | |
419 | (void) system(bp); | |
420 | (void) xfree(bp); | |
421 | } else { /* local to remote */ | |
8efc0c15 | 422 | if (remin == -1) { |
423 | len = strlen(targ) + CMDNEEDS + 20; | |
5260325f | 424 | bp = xmalloc(len); |
0ed28836 | 425 | (void) snprintf(bp, len, "%s -t %s", cmd, targ); |
48e671d5 | 426 | host = cleanhostname(thost); |
2e73a022 | 427 | if (do_cmd(host, tuser, bp, &remin, |
428 | &remout, argc) < 0) | |
5260325f | 429 | exit(1); |
8efc0c15 | 430 | if (response() < 0) |
431 | exit(1); | |
5260325f | 432 | (void) xfree(bp); |
8efc0c15 | 433 | } |
5260325f | 434 | source(1, argv + i); |
8efc0c15 | 435 | } |
436 | } | |
437 | } | |
438 | ||
439 | void | |
440 | tolocal(argc, argv) | |
441 | int argc; | |
442 | char *argv[]; | |
443 | { | |
444 | int i, len; | |
445 | char *bp, *host, *src, *suser; | |
446 | ||
447 | for (i = 0; i < argc - 1; i++) { | |
5260325f | 448 | if (!(src = colon(argv[i]))) { /* Local to local. */ |
8efc0c15 | 449 | len = strlen(_PATH_CP) + strlen(argv[i]) + |
2e73a022 | 450 | strlen(argv[argc - 1]) + 20; |
8efc0c15 | 451 | bp = xmalloc(len); |
0ed28836 | 452 | (void) snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP, |
2e73a022 | 453 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
454 | argv[i], argv[argc - 1]); | |
5260325f | 455 | if (verbose_mode) |
456 | fprintf(stderr, "Executing: %s\n", bp); | |
8efc0c15 | 457 | if (system(bp)) |
458 | ++errs; | |
5260325f | 459 | (void) xfree(bp); |
8efc0c15 | 460 | continue; |
461 | } | |
462 | *src++ = 0; | |
463 | if (*src == 0) | |
464 | src = "."; | |
15748b4d | 465 | if ((host = strrchr(argv[i], '@')) == NULL) { |
8efc0c15 | 466 | host = argv[i]; |
467 | suser = NULL; | |
468 | } else { | |
469 | *host++ = 0; | |
470 | suser = argv[i]; | |
471 | if (*suser == '\0') | |
472 | suser = pwd->pw_name; | |
473 | else if (!okname(suser)) | |
474 | continue; | |
475 | } | |
48e671d5 | 476 | host = cleanhostname(host); |
8efc0c15 | 477 | len = strlen(src) + CMDNEEDS + 20; |
5260325f | 478 | bp = xmalloc(len); |
0ed28836 | 479 | (void) snprintf(bp, len, "%s -f %s", cmd, src); |
2e73a022 | 480 | if (do_cmd(host, suser, bp, &remin, &remout, argc) < 0) { |
5260325f | 481 | (void) xfree(bp); |
482 | ++errs; | |
483 | continue; | |
8efc0c15 | 484 | } |
5260325f | 485 | xfree(bp); |
8efc0c15 | 486 | sink(1, argv + argc - 1); |
5260325f | 487 | (void) close(remin); |
8efc0c15 | 488 | remin = remout = -1; |
489 | } | |
490 | } | |
491 | ||
492 | void | |
493 | source(argc, argv) | |
494 | int argc; | |
495 | char *argv[]; | |
496 | { | |
497 | struct stat stb; | |
498 | static BUF buffer; | |
499 | BUF *bp; | |
b65c3807 | 500 | off_t i, amt, result, statbytes; |
ba917921 | 501 | int fd, haderr, indx; |
8efc0c15 | 502 | char *last, *name, buf[2048]; |
0fc791ba | 503 | int len; |
8efc0c15 | 504 | |
505 | for (indx = 0; indx < argc; ++indx) { | |
5260325f | 506 | name = argv[indx]; |
8efc0c15 | 507 | statbytes = 0; |
0fc791ba | 508 | len = strlen(name); |
509 | while (len > 1 && name[len-1] == '/') | |
510 | name[--len] = '\0'; | |
5720c10e | 511 | if (strchr(name, '\n') != NULL) { |
512 | run_err("%s: skipping, filename contains a newline", | |
513 | name); | |
514 | goto next; | |
515 | } | |
8efc0c15 | 516 | if ((fd = open(name, O_RDONLY, 0)) < 0) |
517 | goto syserr; | |
518 | if (fstat(fd, &stb) < 0) { | |
519 | syserr: run_err("%s: %s", name, strerror(errno)); | |
520 | goto next; | |
521 | } | |
522 | switch (stb.st_mode & S_IFMT) { | |
523 | case S_IFREG: | |
524 | break; | |
525 | case S_IFDIR: | |
526 | if (iamrecursive) { | |
527 | rsource(name, &stb); | |
528 | goto next; | |
529 | } | |
530 | /* FALLTHROUGH */ | |
531 | default: | |
532 | run_err("%s: not a regular file", name); | |
533 | goto next; | |
534 | } | |
535 | if ((last = strrchr(name, '/')) == NULL) | |
536 | last = name; | |
537 | else | |
538 | ++last; | |
539 | curfile = last; | |
540 | if (pflag) { | |
541 | /* | |
542 | * Make it compatible with possible future | |
543 | * versions expecting microseconds. | |
544 | */ | |
0ed28836 | 545 | (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", |
1e3b8b07 | 546 | (u_long) stb.st_mtime, |
547 | (u_long) stb.st_atime); | |
3189621b | 548 | (void) atomicio(write, remout, buf, strlen(buf)); |
8efc0c15 | 549 | if (response() < 0) |
550 | goto next; | |
551 | } | |
552 | #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) | |
30eac028 | 553 | #ifdef HAVE_LONG_LONG_INT |
bf1d27bd | 554 | snprintf(buf, sizeof buf, "C%04o %lld %s\n", |
1e3b8b07 | 555 | (u_int) (stb.st_mode & FILEMODEMASK), |
20a11d35 | 556 | (long long)stb.st_size, last); |
f8f230bf | 557 | #else |
558 | /* XXX: Handle integer overflow? */ | |
d1581d5f | 559 | snprintf(buf, sizeof buf, "C%04o %lu %s\n", |
f8f230bf | 560 | (u_int) (stb.st_mode & FILEMODEMASK), |
d1581d5f | 561 | (u_long) stb.st_size, last); |
f8f230bf | 562 | #endif |
5260325f | 563 | if (verbose_mode) { |
564 | fprintf(stderr, "Sending file modes: %s", buf); | |
5260325f | 565 | } |
3189621b | 566 | (void) atomicio(write, remout, buf, strlen(buf)); |
8efc0c15 | 567 | if (response() < 0) |
568 | goto next; | |
569 | if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) { | |
5260325f | 570 | next: (void) close(fd); |
8efc0c15 | 571 | continue; |
572 | } | |
b65c3807 | 573 | if (showprogress) |
574 | start_progress_meter(curfile, stb.st_size, &statbytes); | |
8efc0c15 | 575 | /* Keep writing after an error so that we stay sync'd up. */ |
576 | for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { | |
577 | amt = bp->cnt; | |
578 | if (i + amt > stb.st_size) | |
579 | amt = stb.st_size - i; | |
580 | if (!haderr) { | |
1d1ffb87 | 581 | result = atomicio(read, fd, bp->buf, amt); |
8efc0c15 | 582 | if (result != amt) |
583 | haderr = result >= 0 ? EIO : errno; | |
584 | } | |
585 | if (haderr) | |
3189621b | 586 | (void) atomicio(write, remout, bp->buf, amt); |
8efc0c15 | 587 | else { |
68227e6d | 588 | result = atomicio(write, remout, bp->buf, amt); |
8efc0c15 | 589 | if (result != amt) |
590 | haderr = result >= 0 ? EIO : errno; | |
591 | statbytes += result; | |
592 | } | |
6ea3c52a | 593 | if (limit) |
594 | bwlimit(amt); | |
8efc0c15 | 595 | } |
5260325f | 596 | if (showprogress) |
b65c3807 | 597 | stop_progress_meter(); |
8efc0c15 | 598 | |
599 | if (close(fd) < 0 && !haderr) | |
600 | haderr = errno; | |
601 | if (!haderr) | |
3189621b | 602 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 603 | else |
604 | run_err("%s: %s", name, strerror(haderr)); | |
5260325f | 605 | (void) response(); |
8efc0c15 | 606 | } |
607 | } | |
608 | ||
609 | void | |
610 | rsource(name, statp) | |
611 | char *name; | |
612 | struct stat *statp; | |
613 | { | |
614 | DIR *dirp; | |
615 | struct dirent *dp; | |
616 | char *last, *vect[1], path[1100]; | |
617 | ||
618 | if (!(dirp = opendir(name))) { | |
619 | run_err("%s: %s", name, strerror(errno)); | |
620 | return; | |
621 | } | |
622 | last = strrchr(name, '/'); | |
623 | if (last == 0) | |
624 | last = name; | |
625 | else | |
626 | last++; | |
627 | if (pflag) { | |
0ed28836 | 628 | (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", |
1e3b8b07 | 629 | (u_long) statp->st_mtime, |
630 | (u_long) statp->st_atime); | |
3189621b | 631 | (void) atomicio(write, remout, path, strlen(path)); |
8efc0c15 | 632 | if (response() < 0) { |
633 | closedir(dirp); | |
634 | return; | |
635 | } | |
636 | } | |
0ed28836 | 637 | (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", |
1e3b8b07 | 638 | (u_int) (statp->st_mode & FILEMODEMASK), 0, last); |
5260325f | 639 | if (verbose_mode) |
640 | fprintf(stderr, "Entering directory: %s", path); | |
3189621b | 641 | (void) atomicio(write, remout, path, strlen(path)); |
8efc0c15 | 642 | if (response() < 0) { |
643 | closedir(dirp); | |
644 | return; | |
645 | } | |
e5ff6ecf | 646 | while ((dp = readdir(dirp)) != NULL) { |
8efc0c15 | 647 | if (dp->d_ino == 0) |
648 | continue; | |
649 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) | |
650 | continue; | |
651 | if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { | |
652 | run_err("%s/%s: name too long", name, dp->d_name); | |
653 | continue; | |
654 | } | |
0ed28836 | 655 | (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); |
8efc0c15 | 656 | vect[0] = path; |
657 | source(1, vect); | |
658 | } | |
5260325f | 659 | (void) closedir(dirp); |
3189621b | 660 | (void) atomicio(write, remout, "E\n", 2); |
5260325f | 661 | (void) response(); |
8efc0c15 | 662 | } |
663 | ||
6ea3c52a | 664 | void |
665 | bwlimit(int amount) | |
666 | { | |
667 | static struct timeval bwstart, bwend; | |
668 | static int lamt, thresh = 16384; | |
669 | u_int64_t wait; | |
670 | struct timespec ts, rm; | |
671 | ||
672 | if (!timerisset(&bwstart)) { | |
673 | gettimeofday(&bwstart, NULL); | |
674 | return; | |
675 | } | |
676 | ||
677 | lamt += amount; | |
678 | if (lamt < thresh) | |
679 | return; | |
680 | ||
681 | gettimeofday(&bwend, NULL); | |
682 | timersub(&bwend, &bwstart, &bwend); | |
683 | if (!timerisset(&bwend)) | |
684 | return; | |
685 | ||
686 | lamt *= 8; | |
687 | wait = (double)1000000L * lamt / limit; | |
688 | ||
689 | bwstart.tv_sec = wait / 1000000L; | |
690 | bwstart.tv_usec = wait % 1000000L; | |
691 | ||
692 | if (timercmp(&bwstart, &bwend, >)) { | |
693 | timersub(&bwstart, &bwend, &bwend); | |
694 | ||
695 | /* Adjust the wait time */ | |
696 | if (bwend.tv_sec) { | |
697 | thresh /= 2; | |
698 | if (thresh < 2048) | |
699 | thresh = 2048; | |
700 | } else if (bwend.tv_usec < 100) { | |
701 | thresh *= 2; | |
702 | if (thresh > 32768) | |
703 | thresh = 32768; | |
704 | } | |
705 | ||
706 | TIMEVAL_TO_TIMESPEC(&bwend, &ts); | |
707 | while (nanosleep(&ts, &rm) == -1) { | |
708 | if (errno != EINTR) | |
709 | break; | |
710 | ts = rm; | |
711 | } | |
712 | } | |
713 | ||
714 | lamt = 0; | |
715 | gettimeofday(&bwstart, NULL); | |
716 | } | |
717 | ||
8efc0c15 | 718 | void |
719 | sink(argc, argv) | |
720 | int argc; | |
721 | char *argv[]; | |
722 | { | |
723 | static BUF buffer; | |
724 | struct stat stb; | |
5260325f | 725 | enum { |
726 | YES, NO, DISPLAYED | |
727 | } wrerr; | |
8efc0c15 | 728 | BUF *bp; |
729 | off_t i, j; | |
730 | int amt, count, exists, first, mask, mode, ofd, omode; | |
b65c3807 | 731 | off_t size, statbytes; |
14a9a859 | 732 | int setimes, targisdir, wrerrno = 0; |
8efc0c15 | 733 | char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; |
188adeb2 | 734 | struct timeval tv[2]; |
8efc0c15 | 735 | |
36967a16 | 736 | #define atime tv[0] |
737 | #define mtime tv[1] | |
cb220a93 | 738 | #define SCREWUP(str) do { why = str; goto screwup; } while (0) |
8efc0c15 | 739 | |
740 | setimes = targisdir = 0; | |
741 | mask = umask(0); | |
742 | if (!pflag) | |
5260325f | 743 | (void) umask(mask); |
8efc0c15 | 744 | if (argc != 1) { |
745 | run_err("ambiguous target"); | |
746 | exit(1); | |
747 | } | |
748 | targ = *argv; | |
749 | if (targetshouldbedirectory) | |
750 | verifydir(targ); | |
5260325f | 751 | |
3189621b | 752 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 753 | if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) |
754 | targisdir = 1; | |
755 | for (first = 1;; first = 0) { | |
756 | cp = buf; | |
1d1ffb87 | 757 | if (atomicio(read, remin, cp, 1) <= 0) |
8efc0c15 | 758 | return; |
759 | if (*cp++ == '\n') | |
760 | SCREWUP("unexpected <newline>"); | |
761 | do { | |
1d1ffb87 | 762 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
8efc0c15 | 763 | SCREWUP("lost connection"); |
764 | *cp++ = ch; | |
765 | } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); | |
766 | *cp = 0; | |
767 | ||
768 | if (buf[0] == '\01' || buf[0] == '\02') { | |
769 | if (iamremote == 0) | |
3189621b | 770 | (void) atomicio(write, STDERR_FILENO, |
71c0d06a | 771 | buf + 1, strlen(buf + 1)); |
8efc0c15 | 772 | if (buf[0] == '\02') |
773 | exit(1); | |
774 | ++errs; | |
775 | continue; | |
776 | } | |
777 | if (buf[0] == 'E') { | |
3189621b | 778 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 779 | return; |
780 | } | |
8efc0c15 | 781 | if (ch == '\n') |
782 | *--cp = 0; | |
783 | ||
8efc0c15 | 784 | cp = buf; |
785 | if (*cp == 'T') { | |
786 | setimes++; | |
787 | cp++; | |
36967a16 | 788 | mtime.tv_sec = strtol(cp, &cp, 10); |
789 | if (!cp || *cp++ != ' ') | |
8efc0c15 | 790 | SCREWUP("mtime.sec not delimited"); |
36967a16 | 791 | mtime.tv_usec = strtol(cp, &cp, 10); |
792 | if (!cp || *cp++ != ' ') | |
8efc0c15 | 793 | SCREWUP("mtime.usec not delimited"); |
36967a16 | 794 | atime.tv_sec = strtol(cp, &cp, 10); |
795 | if (!cp || *cp++ != ' ') | |
8efc0c15 | 796 | SCREWUP("atime.sec not delimited"); |
36967a16 | 797 | atime.tv_usec = strtol(cp, &cp, 10); |
798 | if (!cp || *cp++ != '\0') | |
8efc0c15 | 799 | SCREWUP("atime.usec not delimited"); |
3189621b | 800 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 801 | continue; |
802 | } | |
803 | if (*cp != 'C' && *cp != 'D') { | |
804 | /* | |
805 | * Check for the case "rcp remote:foo\* local:bar". | |
806 | * In this case, the line "No match." can be returned | |
807 | * by the shell before the rcp command on the remote is | |
808 | * executed so the ^Aerror_message convention isn't | |
809 | * followed. | |
810 | */ | |
811 | if (first) { | |
812 | run_err("%s", cp); | |
813 | exit(1); | |
814 | } | |
815 | SCREWUP("expected control record"); | |
816 | } | |
817 | mode = 0; | |
818 | for (++cp; cp < buf + 5; cp++) { | |
819 | if (*cp < '0' || *cp > '7') | |
820 | SCREWUP("bad mode"); | |
821 | mode = (mode << 3) | (*cp - '0'); | |
822 | } | |
823 | if (*cp++ != ' ') | |
824 | SCREWUP("mode not delimited"); | |
825 | ||
e5ff6ecf | 826 | for (size = 0; isdigit(*cp);) |
8efc0c15 | 827 | size = size * 10 + (*cp++ - '0'); |
828 | if (*cp++ != ' ') | |
829 | SCREWUP("size not delimited"); | |
830 | if (targisdir) { | |
831 | static char *namebuf; | |
832 | static int cursize; | |
833 | size_t need; | |
834 | ||
835 | need = strlen(targ) + strlen(cp) + 250; | |
0ed28836 | 836 | if (need > cursize) { |
837 | if (namebuf) | |
838 | xfree(namebuf); | |
5260325f | 839 | namebuf = xmalloc(need); |
0ed28836 | 840 | cursize = need; |
841 | } | |
842 | (void) snprintf(namebuf, need, "%s%s%s", targ, | |
39f9599a | 843 | strcmp(targ, "/") ? "/" : "", cp); |
8efc0c15 | 844 | np = namebuf; |
845 | } else | |
846 | np = targ; | |
847 | curfile = cp; | |
848 | exists = stat(np, &stb) == 0; | |
849 | if (buf[0] == 'D') { | |
850 | int mod_flag = pflag; | |
851 | if (exists) { | |
852 | if (!S_ISDIR(stb.st_mode)) { | |
853 | errno = ENOTDIR; | |
854 | goto bad; | |
855 | } | |
856 | if (pflag) | |
5260325f | 857 | (void) chmod(np, mode); |
8efc0c15 | 858 | } else { |
5260325f | 859 | /* Handle copying from a read-only |
860 | directory */ | |
8efc0c15 | 861 | mod_flag = 1; |
862 | if (mkdir(np, mode | S_IRWXU) < 0) | |
863 | goto bad; | |
864 | } | |
5c470997 | 865 | vect[0] = xstrdup(np); |
8efc0c15 | 866 | sink(1, vect); |
867 | if (setimes) { | |
868 | setimes = 0; | |
e68225b2 | 869 | if (utimes(vect[0], tv) < 0) |
5260325f | 870 | run_err("%s: set times: %s", |
e68225b2 | 871 | vect[0], strerror(errno)); |
8efc0c15 | 872 | } |
873 | if (mod_flag) | |
e68225b2 | 874 | (void) chmod(vect[0], mode); |
875 | if (vect[0]) | |
876 | xfree(vect[0]); | |
8efc0c15 | 877 | continue; |
878 | } | |
879 | omode = mode; | |
880 | mode |= S_IWRITE; | |
3e4fc5f9 | 881 | if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { |
8efc0c15 | 882 | bad: run_err("%s: %s", np, strerror(errno)); |
883 | continue; | |
884 | } | |
3189621b | 885 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 886 | if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) { |
5260325f | 887 | (void) close(ofd); |
8efc0c15 | 888 | continue; |
889 | } | |
890 | cp = bp->buf; | |
891 | wrerr = NO; | |
892 | ||
8efc0c15 | 893 | statbytes = 0; |
b65c3807 | 894 | if (showprogress) |
895 | start_progress_meter(curfile, size, &statbytes); | |
8efc0c15 | 896 | for (count = i = 0; i < size; i += 4096) { |
897 | amt = 4096; | |
898 | if (i + amt > size) | |
899 | amt = size - i; | |
900 | count += amt; | |
901 | do { | |
a22aff1f | 902 | j = read(remin, cp, amt); |
0b2988ca | 903 | if (j == -1 && (errno == EINTR || |
904 | errno == EAGAIN)) { | |
a22aff1f | 905 | continue; |
906 | } else if (j <= 0) { | |
8efc0c15 | 907 | run_err("%s", j ? strerror(errno) : |
e5ff6ecf | 908 | "dropped connection"); |
8efc0c15 | 909 | exit(1); |
910 | } | |
911 | amt -= j; | |
912 | cp += j; | |
5260325f | 913 | statbytes += j; |
8efc0c15 | 914 | } while (amt > 0); |
6ea3c52a | 915 | |
916 | if (limit) | |
917 | bwlimit(4096); | |
918 | ||
8efc0c15 | 919 | if (count == bp->cnt) { |
920 | /* Keep reading so we stay sync'd up. */ | |
921 | if (wrerr == NO) { | |
1d1ffb87 | 922 | j = atomicio(write, ofd, bp->buf, count); |
8efc0c15 | 923 | if (j != count) { |
924 | wrerr = YES; | |
5260325f | 925 | wrerrno = j >= 0 ? EIO : errno; |
8efc0c15 | 926 | } |
927 | } | |
928 | count = 0; | |
929 | cp = bp->buf; | |
930 | } | |
931 | } | |
932 | if (showprogress) | |
b65c3807 | 933 | stop_progress_meter(); |
8efc0c15 | 934 | if (count != 0 && wrerr == NO && |
1d1ffb87 | 935 | (j = atomicio(write, ofd, bp->buf, count)) != count) { |
8efc0c15 | 936 | wrerr = YES; |
5260325f | 937 | wrerrno = j >= 0 ? EIO : errno; |
8efc0c15 | 938 | } |
25a6efd8 | 939 | if (wrerr == NO && ftruncate(ofd, size) != 0) { |
8efc0c15 | 940 | run_err("%s: truncate: %s", np, strerror(errno)); |
941 | wrerr = DISPLAYED; | |
942 | } | |
8efc0c15 | 943 | if (pflag) { |
944 | if (exists || omode != mode) | |
77bb0bca | 945 | #ifdef HAVE_FCHMOD |
8efc0c15 | 946 | if (fchmod(ofd, omode)) |
77bb0bca | 947 | #else /* HAVE_FCHMOD */ |
948 | if (chmod(np, omode)) | |
949 | #endif /* HAVE_FCHMOD */ | |
8efc0c15 | 950 | run_err("%s: set mode: %s", |
e5ff6ecf | 951 | np, strerror(errno)); |
8efc0c15 | 952 | } else { |
953 | if (!exists && omode != mode) | |
77bb0bca | 954 | #ifdef HAVE_FCHMOD |
8efc0c15 | 955 | if (fchmod(ofd, omode & ~mask)) |
77bb0bca | 956 | #else /* HAVE_FCHMOD */ |
957 | if (chmod(np, omode & ~mask)) | |
958 | #endif /* HAVE_FCHMOD */ | |
8efc0c15 | 959 | run_err("%s: set mode: %s", |
e5ff6ecf | 960 | np, strerror(errno)); |
8efc0c15 | 961 | } |
704b1659 | 962 | if (close(ofd) == -1) { |
963 | wrerr = YES; | |
964 | wrerrno = errno; | |
965 | } | |
5260325f | 966 | (void) response(); |
8efc0c15 | 967 | if (setimes && wrerr == NO) { |
968 | setimes = 0; | |
188adeb2 | 969 | if (utimes(np, tv) < 0) { |
8efc0c15 | 970 | run_err("%s: set times: %s", |
e5ff6ecf | 971 | np, strerror(errno)); |
8efc0c15 | 972 | wrerr = DISPLAYED; |
973 | } | |
974 | } | |
5260325f | 975 | switch (wrerr) { |
8efc0c15 | 976 | case YES: |
977 | run_err("%s: %s", np, strerror(wrerrno)); | |
978 | break; | |
979 | case NO: | |
3189621b | 980 | (void) atomicio(write, remout, "", 1); |
8efc0c15 | 981 | break; |
982 | case DISPLAYED: | |
983 | break; | |
984 | } | |
985 | } | |
986 | screwup: | |
987 | run_err("protocol error: %s", why); | |
988 | exit(1); | |
989 | } | |
990 | ||
991 | int | |
d5bb9418 | 992 | response(void) |
8efc0c15 | 993 | { |
994 | char ch, *cp, resp, rbuf[2048]; | |
995 | ||
1d1ffb87 | 996 | if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) |
8efc0c15 | 997 | lostconn(0); |
998 | ||
999 | cp = rbuf; | |
5260325f | 1000 | switch (resp) { |
1001 | case 0: /* ok */ | |
8efc0c15 | 1002 | return (0); |
1003 | default: | |
1004 | *cp++ = resp; | |
1005 | /* FALLTHROUGH */ | |
5260325f | 1006 | case 1: /* error, followed by error msg */ |
1007 | case 2: /* fatal error, "" */ | |
8efc0c15 | 1008 | do { |
1d1ffb87 | 1009 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
8efc0c15 | 1010 | lostconn(0); |
1011 | *cp++ = ch; | |
1012 | } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); | |
1013 | ||
1014 | if (!iamremote) | |
3189621b | 1015 | (void) atomicio(write, STDERR_FILENO, rbuf, cp - rbuf); |
8efc0c15 | 1016 | ++errs; |
1017 | if (resp == 1) | |
1018 | return (-1); | |
1019 | exit(1); | |
1020 | } | |
1021 | /* NOTREACHED */ | |
1022 | } | |
1023 | ||
1024 | void | |
d5bb9418 | 1025 | usage(void) |
8efc0c15 | 1026 | { |
f1278af7 | 1027 | (void) fprintf(stderr, |
3015d321 | 1028 | "usage: scp [-pqrvBC46] [-F config] [-S program] [-P port]\n" |
6ea3c52a | 1029 | " [-c cipher] [-i identity] [-l limit] [-o option]\n" |
3015d321 | 1030 | " [[user@]host1:]file1 [...] [[user@]host2:]file2\n"); |
8efc0c15 | 1031 | exit(1); |
1032 | } | |
1033 | ||
1034 | void | |
5260325f | 1035 | run_err(const char *fmt,...) |
8efc0c15 | 1036 | { |
1037 | static FILE *fp; | |
1038 | va_list ap; | |
8efc0c15 | 1039 | |
1040 | ++errs; | |
1041 | if (fp == NULL && !(fp = fdopen(remout, "w"))) | |
1042 | return; | |
5260325f | 1043 | (void) fprintf(fp, "%c", 0x01); |
1044 | (void) fprintf(fp, "scp: "); | |
b92964b7 | 1045 | va_start(ap, fmt); |
5260325f | 1046 | (void) vfprintf(fp, fmt, ap); |
b92964b7 | 1047 | va_end(ap); |
5260325f | 1048 | (void) fprintf(fp, "\n"); |
1049 | (void) fflush(fp); | |
1050 | ||
1051 | if (!iamremote) { | |
b92964b7 | 1052 | va_start(ap, fmt); |
5260325f | 1053 | vfprintf(stderr, fmt, ap); |
b92964b7 | 1054 | va_end(ap); |
5260325f | 1055 | fprintf(stderr, "\n"); |
1056 | } | |
8efc0c15 | 1057 | } |
1058 | ||
8efc0c15 | 1059 | void |
1060 | verifydir(cp) | |
1061 | char *cp; | |
1062 | { | |
1063 | struct stat stb; | |
1064 | ||
1065 | if (!stat(cp, &stb)) { | |
1066 | if (S_ISDIR(stb.st_mode)) | |
1067 | return; | |
1068 | errno = ENOTDIR; | |
1069 | } | |
1070 | run_err("%s: %s", cp, strerror(errno)); | |
1071 | exit(1); | |
1072 | } | |
1073 | ||
1074 | int | |
1075 | okname(cp0) | |
1076 | char *cp0; | |
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; | |
731c1541 | 1086 | if (!isalpha(c) && !isdigit(c) && |
15748b4d | 1087 | c != '@' && c != '_' && c != '-' && c != '.' && c != '+') |
8efc0c15 | 1088 | goto bad; |
1089 | } while (*++cp); | |
1090 | return (1); | |
1091 | ||
c8d54615 | 1092 | bad: fprintf(stderr, "%s: invalid user name\n", cp0); |
8efc0c15 | 1093 | return (0); |
1094 | } | |
1095 | ||
1096 | BUF * | |
1097 | allocbuf(bp, fd, blksize) | |
1098 | BUF *bp; | |
1099 | int fd, blksize; | |
1100 | { | |
1101 | size_t size; | |
98a7c37b | 1102 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE |
8efc0c15 | 1103 | struct stat stb; |
1104 | ||
1105 | if (fstat(fd, &stb) < 0) { | |
1106 | run_err("fstat: %s", strerror(errno)); | |
1107 | return (0); | |
1108 | } | |
a0a14bcd | 1109 | size = roundup(stb.st_blksize, blksize); |
1110 | if (size == 0) | |
5260325f | 1111 | size = blksize; |
98a7c37b | 1112 | #else /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
2b87da3b | 1113 | size = blksize; |
98a7c37b | 1114 | #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
8efc0c15 | 1115 | if (bp->cnt >= size) |
1116 | return (bp); | |
5260325f | 1117 | if (bp->buf == NULL) |
1118 | bp->buf = xmalloc(size); | |
1119 | else | |
1120 | bp->buf = xrealloc(bp->buf, size); | |
46660a9e | 1121 | memset(bp->buf, 0, size); |
8efc0c15 | 1122 | bp->cnt = size; |
1123 | return (bp); | |
1124 | } | |
1125 | ||
1126 | void | |
1127 | lostconn(signo) | |
1128 | int signo; | |
1129 | { | |
1130 | if (!iamremote) | |
08c260ea | 1131 | write(STDERR_FILENO, "lost connection\n", 16); |
1132 | if (signo) | |
1133 | _exit(1); | |
1134 | else | |
1135 | exit(1); | |
8efc0c15 | 1136 | } |