| File: | src/usr.bin/ssh/scp/../scp.c |
| Warning: | line 1927, column 7 Although the value stored to 'filename' is used in the enclosing expression, the value is never actually read from 'filename' |
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| 1 | /* $OpenBSD: scp.c,v 1.260 2023/10/11 05:42:08 djm Exp $ */ |
| 2 | /* |
| 3 | * scp - secure remote copy. This is basically patched BSD rcp which |
| 4 | * uses ssh to do the data transfer (instead of using rcmd). |
| 5 | * |
| 6 | * NOTE: This version should NOT be suid root. (This uses ssh to |
| 7 | * do the transfer and ssh has the necessary privileges.) |
| 8 | * |
| 9 | * 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi> |
| 10 | * |
| 11 | * As far as I am concerned, the code I have written for this software |
| 12 | * can be used freely for any purpose. Any derived versions of this |
| 13 | * software must be clearly marked as such, and if the derived work is |
| 14 | * incompatible with the protocol description in the RFC file, it must be |
| 15 | * called by a name other than "ssh" or "Secure Shell". |
| 16 | */ |
| 17 | /* |
| 18 | * Copyright (c) 1999 Theo de Raadt. All rights reserved. |
| 19 | * Copyright (c) 1999 Aaron Campbell. All rights reserved. |
| 20 | * |
| 21 | * Redistribution and use in source and binary forms, with or without |
| 22 | * modification, are permitted provided that the following conditions |
| 23 | * are met: |
| 24 | * 1. Redistributions of source code must retain the above copyright |
| 25 | * notice, this list of conditions and the following disclaimer. |
| 26 | * 2. Redistributions in binary form must reproduce the above copyright |
| 27 | * notice, this list of conditions and the following disclaimer in the |
| 28 | * documentation and/or other materials provided with the distribution. |
| 29 | * |
| 30 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 31 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 32 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 33 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 34 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 35 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 36 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 37 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 38 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 39 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 40 | */ |
| 41 | |
| 42 | /* |
| 43 | * Parts from: |
| 44 | * |
| 45 | * Copyright (c) 1983, 1990, 1992, 1993, 1995 |
| 46 | * The Regents of the University of California. All rights reserved. |
| 47 | * |
| 48 | * Redistribution and use in source and binary forms, with or without |
| 49 | * modification, are permitted provided that the following conditions |
| 50 | * are met: |
| 51 | * 1. Redistributions of source code must retain the above copyright |
| 52 | * notice, this list of conditions and the following disclaimer. |
| 53 | * 2. Redistributions in binary form must reproduce the above copyright |
| 54 | * notice, this list of conditions and the following disclaimer in the |
| 55 | * documentation and/or other materials provided with the distribution. |
| 56 | * 3. Neither the name of the University nor the names of its contributors |
| 57 | * may be used to endorse or promote products derived from this software |
| 58 | * without specific prior written permission. |
| 59 | * |
| 60 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 61 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 62 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 63 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 64 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 65 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 66 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 67 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 68 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 69 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 70 | * SUCH DAMAGE. |
| 71 | * |
| 72 | */ |
| 73 | |
| 74 | #include <sys/types.h> |
| 75 | #include <sys/poll.h> |
| 76 | #include <sys/wait.h> |
| 77 | #include <sys/stat.h> |
| 78 | #include <sys/time.h> |
| 79 | #include <sys/uio.h> |
| 80 | |
| 81 | #include <ctype.h> |
| 82 | #include <dirent.h> |
| 83 | #include <errno(*__errno()).h> |
| 84 | #include <fcntl.h> |
| 85 | #include <fnmatch.h> |
| 86 | #include <glob.h> |
| 87 | #include <libgen.h> |
| 88 | #include <locale.h> |
| 89 | #include <pwd.h> |
| 90 | #include <signal.h> |
| 91 | #include <stdarg.h> |
| 92 | #include <stdint.h> |
| 93 | #include <stdio.h> |
| 94 | #include <stdlib.h> |
| 95 | #include <string.h> |
| 96 | #include <time.h> |
| 97 | #include <unistd.h> |
| 98 | #include <limits.h> |
| 99 | #include <util.h> |
| 100 | #include <vis.h> |
| 101 | |
| 102 | #include "xmalloc.h" |
| 103 | #include "ssh.h" |
| 104 | #include "atomicio.h" |
| 105 | #include "pathnames.h" |
| 106 | #include "log.h" |
| 107 | #include "misc.h" |
| 108 | #include "progressmeter.h" |
| 109 | #include "utf8.h" |
| 110 | #include "sftp.h" |
| 111 | |
| 112 | #include "sftp-common.h" |
| 113 | #include "sftp-client.h" |
| 114 | |
| 115 | #define COPY_BUFLEN16384 16384 |
| 116 | |
| 117 | int do_cmd(char *, char *, char *, int, int, char *, int *, int *, pid_t *); |
| 118 | int do_cmd2(char *, char *, int, char *, int, int); |
| 119 | |
| 120 | /* Struct for addargs */ |
| 121 | arglist args; |
| 122 | arglist remote_remote_args; |
| 123 | |
| 124 | /* Bandwidth limit */ |
| 125 | long long limit_kbps = 0; |
| 126 | struct bwlimit bwlimit; |
| 127 | |
| 128 | /* Name of current file being transferred. */ |
| 129 | char *curfile; |
| 130 | |
| 131 | /* This is set to non-zero to enable verbose mode. */ |
| 132 | int verbose_mode = 0; |
| 133 | LogLevel log_level = SYSLOG_LEVEL_INFO; |
| 134 | |
| 135 | /* This is set to zero if the progressmeter is not desired. */ |
| 136 | int showprogress = 1; |
| 137 | |
| 138 | /* |
| 139 | * This is set to non-zero if remote-remote copy should be piped |
| 140 | * through this process. |
| 141 | */ |
| 142 | int throughlocal = 1; |
| 143 | |
| 144 | /* Non-standard port to use for the ssh connection or -1. */ |
| 145 | int sshport = -1; |
| 146 | |
| 147 | /* This is the program to execute for the secured connection. ("ssh" or -S) */ |
| 148 | char *ssh_program = _PATH_SSH_PROGRAM"/usr/bin/ssh"; |
| 149 | |
| 150 | /* This is used to store the pid of ssh_program */ |
| 151 | pid_t do_cmd_pid = -1; |
| 152 | pid_t do_cmd_pid2 = -1; |
| 153 | |
| 154 | /* SFTP copy parameters */ |
| 155 | size_t sftp_copy_buflen; |
| 156 | size_t sftp_nrequests; |
| 157 | |
| 158 | /* Needed for sftp */ |
| 159 | volatile sig_atomic_t interrupted = 0; |
| 160 | |
| 161 | int sftp_glob(struct sftp_conn *, const char *, int, |
| 162 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ |
| 163 | |
| 164 | static void |
| 165 | killchild(int signo) |
| 166 | { |
| 167 | if (do_cmd_pid > 1) { |
| 168 | kill(do_cmd_pid, signo ? signo : SIGTERM15); |
| 169 | (void)waitpid(do_cmd_pid, NULL((void *)0), 0); |
| 170 | } |
| 171 | if (do_cmd_pid2 > 1) { |
| 172 | kill(do_cmd_pid2, signo ? signo : SIGTERM15); |
| 173 | (void)waitpid(do_cmd_pid2, NULL((void *)0), 0); |
| 174 | } |
| 175 | |
| 176 | if (signo) |
| 177 | _exit(1); |
| 178 | exit(1); |
| 179 | } |
| 180 | |
| 181 | static void |
| 182 | suspone(int pid, int signo) |
| 183 | { |
| 184 | int status; |
| 185 | |
| 186 | if (pid > 1) { |
| 187 | kill(pid, signo); |
| 188 | while (waitpid(pid, &status, WUNTRACED0x02) == -1 && |
| 189 | errno(*__errno()) == EINTR4) |
| 190 | ; |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | static void |
| 195 | suspchild(int signo) |
| 196 | { |
| 197 | suspone(do_cmd_pid, signo); |
| 198 | suspone(do_cmd_pid2, signo); |
| 199 | kill(getpid(), SIGSTOP17); |
| 200 | } |
| 201 | |
| 202 | static int |
| 203 | do_local_cmd(arglist *a) |
| 204 | { |
| 205 | u_int i; |
| 206 | int status; |
| 207 | pid_t pid; |
| 208 | |
| 209 | if (a->num == 0) |
| 210 | fatal("do_local_cmd: no arguments")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 210, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "do_local_cmd: no arguments" ); |
| 211 | |
| 212 | if (verbose_mode) { |
| 213 | fprintf(stderr(&__sF[2]), "Executing:"); |
| 214 | for (i = 0; i < a->num; i++) |
| 215 | fmprintf(stderr(&__sF[2]), " %s", a->list[i]); |
| 216 | fprintf(stderr(&__sF[2]), "\n"); |
| 217 | } |
| 218 | if ((pid = fork()) == -1) |
| 219 | fatal("do_local_cmd: fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 219, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "do_local_cmd: fork: %s", strerror ((*__errno()))); |
| 220 | |
| 221 | if (pid == 0) { |
| 222 | execvp(a->list[0], a->list); |
| 223 | perror(a->list[0]); |
| 224 | exit(1); |
| 225 | } |
| 226 | |
| 227 | do_cmd_pid = pid; |
| 228 | ssh_signal(SIGTERM15, killchild); |
| 229 | ssh_signal(SIGINT2, killchild); |
| 230 | ssh_signal(SIGHUP1, killchild); |
| 231 | |
| 232 | while (waitpid(pid, &status, 0) == -1) |
| 233 | if (errno(*__errno()) != EINTR4) |
| 234 | fatal("do_local_cmd: waitpid: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 234, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "do_local_cmd: waitpid: %s" , strerror((*__errno()))); |
| 235 | |
| 236 | do_cmd_pid = -1; |
| 237 | |
| 238 | if (!WIFEXITED(status)(((status) & 0177) == 0) || WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) != 0) |
| 239 | return (-1); |
| 240 | |
| 241 | return (0); |
| 242 | } |
| 243 | |
| 244 | /* |
| 245 | * This function executes the given command as the specified user on the |
| 246 | * given host. This returns < 0 if execution fails, and >= 0 otherwise. This |
| 247 | * assigns the input and output file descriptors on success. |
| 248 | */ |
| 249 | |
| 250 | int |
| 251 | do_cmd(char *program, char *host, char *remuser, int port, int subsystem, |
| 252 | char *cmd, int *fdin, int *fdout, pid_t *pid) |
| 253 | { |
| 254 | int sv[2]; |
| 255 | |
| 256 | if (verbose_mode) |
| 257 | fmprintf(stderr(&__sF[2]), |
| 258 | "Executing: program %s host %s, user %s, command %s\n", |
| 259 | program, host, |
| 260 | remuser ? remuser : "(unspecified)", cmd); |
| 261 | |
| 262 | if (port == -1) |
| 263 | port = sshport; |
| 264 | |
| 265 | /* Create a socket pair for communicating with ssh. */ |
| 266 | if (socketpair(AF_UNIX1, SOCK_STREAM1, 0, sv) == -1) |
| 267 | fatal("socketpair: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 267, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "socketpair: %s", strerror ((*__errno()))); |
| 268 | |
| 269 | ssh_signal(SIGTSTP18, suspchild); |
| 270 | ssh_signal(SIGTTIN21, suspchild); |
| 271 | ssh_signal(SIGTTOU22, suspchild); |
| 272 | |
| 273 | /* Fork a child to execute the command on the remote host using ssh. */ |
| 274 | *pid = fork(); |
| 275 | switch (*pid) { |
| 276 | case -1: |
| 277 | fatal("fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 277, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "fork: %s", strerror((*__errno ()))); |
| 278 | case 0: |
| 279 | /* Child. */ |
| 280 | if (dup2(sv[0], STDIN_FILENO0) == -1 || |
| 281 | dup2(sv[0], STDOUT_FILENO1) == -1) { |
| 282 | perror("dup2"); |
| 283 | _exit(1); |
| 284 | } |
| 285 | close(sv[0]); |
| 286 | close(sv[1]); |
| 287 | replacearg(&args, 0, "%s", program); |
| 288 | if (port != -1) { |
| 289 | addargs(&args, "-p"); |
| 290 | addargs(&args, "%d", port); |
| 291 | } |
| 292 | if (remuser != NULL((void *)0)) { |
| 293 | addargs(&args, "-l"); |
| 294 | addargs(&args, "%s", remuser); |
| 295 | } |
| 296 | if (subsystem) |
| 297 | addargs(&args, "-s"); |
| 298 | addargs(&args, "--"); |
| 299 | addargs(&args, "%s", host); |
| 300 | addargs(&args, "%s", cmd); |
| 301 | |
| 302 | execvp(program, args.list); |
| 303 | perror(program); |
| 304 | _exit(1); |
| 305 | default: |
| 306 | /* Parent. Close the other side, and return the local side. */ |
| 307 | close(sv[0]); |
| 308 | *fdin = sv[1]; |
| 309 | *fdout = sv[1]; |
| 310 | ssh_signal(SIGTERM15, killchild); |
| 311 | ssh_signal(SIGINT2, killchild); |
| 312 | ssh_signal(SIGHUP1, killchild); |
| 313 | return 0; |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | /* |
| 318 | * This function executes a command similar to do_cmd(), but expects the |
| 319 | * input and output descriptors to be setup by a previous call to do_cmd(). |
| 320 | * This way the input and output of two commands can be connected. |
| 321 | */ |
| 322 | int |
| 323 | do_cmd2(char *host, char *remuser, int port, char *cmd, |
| 324 | int fdin, int fdout) |
| 325 | { |
| 326 | int status; |
| 327 | pid_t pid; |
| 328 | |
| 329 | if (verbose_mode) |
| 330 | fmprintf(stderr(&__sF[2]), |
| 331 | "Executing: 2nd program %s host %s, user %s, command %s\n", |
| 332 | ssh_program, host, |
| 333 | remuser ? remuser : "(unspecified)", cmd); |
| 334 | |
| 335 | if (port == -1) |
| 336 | port = sshport; |
| 337 | |
| 338 | /* Fork a child to execute the command on the remote host using ssh. */ |
| 339 | pid = fork(); |
| 340 | if (pid == 0) { |
| 341 | if (dup2(fdin, 0) == -1) |
| 342 | perror("dup2"); |
| 343 | if (dup2(fdout, 1) == -1) |
| 344 | perror("dup2"); |
| 345 | |
| 346 | replacearg(&args, 0, "%s", ssh_program); |
| 347 | if (port != -1) { |
| 348 | addargs(&args, "-p"); |
| 349 | addargs(&args, "%d", port); |
| 350 | } |
| 351 | if (remuser != NULL((void *)0)) { |
| 352 | addargs(&args, "-l"); |
| 353 | addargs(&args, "%s", remuser); |
| 354 | } |
| 355 | addargs(&args, "-oBatchMode=yes"); |
| 356 | addargs(&args, "--"); |
| 357 | addargs(&args, "%s", host); |
| 358 | addargs(&args, "%s", cmd); |
| 359 | |
| 360 | execvp(ssh_program, args.list); |
| 361 | perror(ssh_program); |
| 362 | exit(1); |
| 363 | } else if (pid == -1) { |
| 364 | fatal("fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 364, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "fork: %s", strerror((*__errno ()))); |
| 365 | } |
| 366 | while (waitpid(pid, &status, 0) == -1) |
| 367 | if (errno(*__errno()) != EINTR4) |
| 368 | fatal("do_cmd2: waitpid: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 368, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "do_cmd2: waitpid: %s", strerror ((*__errno()))); |
| 369 | return 0; |
| 370 | } |
| 371 | |
| 372 | typedef struct { |
| 373 | size_t cnt; |
| 374 | char *buf; |
| 375 | } BUF; |
| 376 | |
| 377 | BUF *allocbuf(BUF *, int, int); |
| 378 | void lostconn(int); |
| 379 | int okname(char *); |
| 380 | void run_err(const char *,...) |
| 381 | __attribute__((__format__ (printf, 1, 2))) |
| 382 | __attribute__((__nonnull__ (1))); |
| 383 | int note_err(const char *,...) |
| 384 | __attribute__((__format__ (printf, 1, 2))); |
| 385 | void verifydir(char *); |
| 386 | |
| 387 | struct passwd *pwd; |
| 388 | uid_t userid; |
| 389 | int errs, remin, remout, remin2, remout2; |
| 390 | int Tflag, pflag, iamremote, iamrecursive, targetshouldbedirectory; |
| 391 | |
| 392 | #define CMDNEEDS64 64 |
| 393 | char cmd[CMDNEEDS64]; /* must hold "rcp -r -p -d\0" */ |
| 394 | |
| 395 | enum scp_mode_e { |
| 396 | MODE_SCP, |
| 397 | MODE_SFTP |
| 398 | }; |
| 399 | |
| 400 | int response(void); |
| 401 | void rsource(char *, struct stat *); |
| 402 | void sink(int, char *[], const char *); |
| 403 | void source(int, char *[]); |
| 404 | void tolocal(int, char *[], enum scp_mode_e, char *sftp_direct); |
| 405 | void toremote(int, char *[], enum scp_mode_e, char *sftp_direct); |
| 406 | void usage(void); |
| 407 | |
| 408 | void source_sftp(int, char *, char *, struct sftp_conn *); |
| 409 | void sink_sftp(int, char *, const char *, struct sftp_conn *); |
| 410 | void throughlocal_sftp(struct sftp_conn *, struct sftp_conn *, |
| 411 | char *, char *); |
| 412 | |
| 413 | int |
| 414 | main(int argc, char **argv) |
| 415 | { |
| 416 | int ch, fflag, tflag, status, r, n; |
| 417 | char **newargv, *argv0; |
| 418 | const char *errstr; |
| 419 | extern char *optarg; |
| 420 | extern int optind; |
| 421 | enum scp_mode_e mode = MODE_SFTP; |
| 422 | char *sftp_direct = NULL((void *)0); |
| 423 | long long llv; |
| 424 | |
| 425 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
| 426 | sanitise_stdfd(); |
| 427 | |
| 428 | setlocale(LC_CTYPE2, ""); |
| 429 | |
| 430 | /* Copy argv, because we modify it */ |
| 431 | argv0 = argv[0]; |
| 432 | newargv = xcalloc(MAXIMUM(argc + 1, 1)(((argc + 1) > (1)) ? (argc + 1) : (1)), sizeof(*newargv)); |
| 433 | for (n = 0; n < argc; n++) |
| 434 | newargv[n] = xstrdup(argv[n]); |
| 435 | argv = newargv; |
| 436 | |
| 437 | log_init(argv0, log_level, SYSLOG_FACILITY_USER, 2); |
| 438 | |
| 439 | memset(&args, '\0', sizeof(args)); |
| 440 | memset(&remote_remote_args, '\0', sizeof(remote_remote_args)); |
| 441 | args.list = remote_remote_args.list = NULL((void *)0); |
| 442 | addargs(&args, "%s", ssh_program); |
| 443 | addargs(&args, "-x"); |
| 444 | addargs(&args, "-oPermitLocalCommand=no"); |
| 445 | addargs(&args, "-oClearAllForwardings=yes"); |
| 446 | addargs(&args, "-oRemoteCommand=none"); |
| 447 | addargs(&args, "-oRequestTTY=no"); |
| 448 | |
| 449 | fflag = Tflag = tflag = 0; |
| 450 | while ((ch = getopt(argc, argv, |
| 451 | "12346ABCTdfOpqRrstvD:F:J:M:P:S:c:i:l:o:X:")) != -1) { |
| 452 | switch (ch) { |
| 453 | /* User-visible flags. */ |
| 454 | case '1': |
| 455 | fatal("SSH protocol v.1 is no longer supported")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 455, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "SSH protocol v.1 is no longer supported" ); |
| 456 | break; |
| 457 | case '2': |
| 458 | /* Ignored */ |
| 459 | break; |
| 460 | case 'A': |
| 461 | case '4': |
| 462 | case '6': |
| 463 | case 'C': |
| 464 | addargs(&args, "-%c", ch); |
| 465 | addargs(&remote_remote_args, "-%c", ch); |
| 466 | break; |
| 467 | case 'D': |
| 468 | sftp_direct = optarg; |
| 469 | break; |
| 470 | case '3': |
| 471 | throughlocal = 1; |
| 472 | break; |
| 473 | case 'R': |
| 474 | throughlocal = 0; |
| 475 | break; |
| 476 | case 'o': |
| 477 | case 'c': |
| 478 | case 'i': |
| 479 | case 'F': |
| 480 | case 'J': |
| 481 | addargs(&remote_remote_args, "-%c", ch); |
| 482 | addargs(&remote_remote_args, "%s", optarg); |
| 483 | addargs(&args, "-%c", ch); |
| 484 | addargs(&args, "%s", optarg); |
| 485 | break; |
| 486 | case 'O': |
| 487 | mode = MODE_SCP; |
| 488 | break; |
| 489 | case 's': |
| 490 | mode = MODE_SFTP; |
| 491 | break; |
| 492 | case 'P': |
| 493 | sshport = a2port(optarg); |
| 494 | if (sshport <= 0) |
| 495 | fatal("bad port \"%s\"\n", optarg)sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 495, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "bad port \"%s\"\n", optarg ); |
| 496 | break; |
| 497 | case 'B': |
| 498 | addargs(&remote_remote_args, "-oBatchmode=yes"); |
| 499 | addargs(&args, "-oBatchmode=yes"); |
| 500 | break; |
| 501 | case 'l': |
| 502 | limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024, |
| 503 | &errstr); |
| 504 | if (errstr != NULL((void *)0)) |
| 505 | usage(); |
| 506 | limit_kbps *= 1024; /* kbps */ |
| 507 | bandwidth_limit_init(&bwlimit, limit_kbps, COPY_BUFLEN16384); |
| 508 | break; |
| 509 | case 'p': |
| 510 | pflag = 1; |
| 511 | break; |
| 512 | case 'r': |
| 513 | iamrecursive = 1; |
| 514 | break; |
| 515 | case 'S': |
| 516 | ssh_program = xstrdup(optarg); |
| 517 | break; |
| 518 | case 'v': |
| 519 | addargs(&args, "-v"); |
| 520 | addargs(&remote_remote_args, "-v"); |
| 521 | if (verbose_mode == 0) |
| 522 | log_level = SYSLOG_LEVEL_DEBUG1; |
| 523 | else if (log_level < SYSLOG_LEVEL_DEBUG3) |
| 524 | log_level++; |
| 525 | verbose_mode = 1; |
| 526 | break; |
| 527 | case 'q': |
| 528 | addargs(&args, "-q"); |
| 529 | addargs(&remote_remote_args, "-q"); |
| 530 | showprogress = 0; |
| 531 | break; |
| 532 | case 'X': |
| 533 | /* Please keep in sync with sftp.c -X */ |
| 534 | if (strncmp(optarg, "buffer=", 7) == 0) { |
| 535 | r = scan_scaled(optarg + 7, &llv); |
| 536 | if (r == 0 && (llv <= 0 || llv > 256 * 1024)) { |
| 537 | r = -1; |
| 538 | errno(*__errno()) = EINVAL22; |
| 539 | } |
| 540 | if (r == -1) { |
| 541 | fatal("Invalid buffer size \"%s\": %s",sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 542, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid buffer size \"%s\": %s" , optarg + 7, strerror((*__errno()))) |
| 542 | optarg + 7, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 542, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid buffer size \"%s\": %s" , optarg + 7, strerror((*__errno()))); |
| 543 | } |
| 544 | sftp_copy_buflen = (size_t)llv; |
| 545 | } else if (strncmp(optarg, "nrequests=", 10) == 0) { |
| 546 | llv = strtonum(optarg + 10, 1, 256 * 1024, |
| 547 | &errstr); |
| 548 | if (errstr != NULL((void *)0)) { |
| 549 | fatal("Invalid number of requests "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 550, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests " "\"%s\": %s", optarg + 10, errstr) |
| 550 | "\"%s\": %s", optarg + 10, errstr)sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 550, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests " "\"%s\": %s", optarg + 10, errstr); |
| 551 | } |
| 552 | sftp_nrequests = (size_t)llv; |
| 553 | } else { |
| 554 | fatal("Invalid -X option")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 554, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid -X option"); |
| 555 | } |
| 556 | break; |
| 557 | |
| 558 | /* Server options. */ |
| 559 | case 'd': |
| 560 | targetshouldbedirectory = 1; |
| 561 | break; |
| 562 | case 'f': /* "from" */ |
| 563 | iamremote = 1; |
| 564 | fflag = 1; |
| 565 | break; |
| 566 | case 't': /* "to" */ |
| 567 | iamremote = 1; |
| 568 | tflag = 1; |
| 569 | break; |
| 570 | case 'T': |
| 571 | Tflag = 1; |
| 572 | break; |
| 573 | default: |
| 574 | usage(); |
| 575 | } |
| 576 | } |
| 577 | argc -= optind; |
| 578 | argv += optind; |
| 579 | |
| 580 | log_init(argv0, log_level, SYSLOG_FACILITY_USER, 2); |
| 581 | |
| 582 | /* Do this last because we want the user to be able to override it */ |
| 583 | addargs(&args, "-oForwardAgent=no"); |
| 584 | |
| 585 | if (iamremote) |
| 586 | mode = MODE_SCP; |
| 587 | |
| 588 | if ((pwd = getpwuid(userid = getuid())) == NULL((void *)0)) |
| 589 | fatal("unknown user %u", (u_int) userid)sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 589, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "unknown user %u", (u_int) userid); |
| 590 | |
| 591 | if (!isatty(STDOUT_FILENO1)) |
| 592 | showprogress = 0; |
| 593 | |
| 594 | if (pflag) { |
| 595 | /* Cannot pledge: -p allows setuid/setgid files... */ |
| 596 | } else { |
| 597 | if (pledge("stdio rpath wpath cpath fattr tty proc exec", |
| 598 | NULL((void *)0)) == -1) { |
| 599 | perror("pledge"); |
| 600 | exit(1); |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | remin = STDIN_FILENO0; |
| 605 | remout = STDOUT_FILENO1; |
| 606 | |
| 607 | if (fflag) { |
| 608 | /* Follow "protocol", send data. */ |
| 609 | (void) response(); |
| 610 | source(argc, argv); |
| 611 | exit(errs != 0); |
| 612 | } |
| 613 | if (tflag) { |
| 614 | /* Receive data. */ |
| 615 | sink(argc, argv, NULL((void *)0)); |
| 616 | exit(errs != 0); |
| 617 | } |
| 618 | if (argc < 2) |
| 619 | usage(); |
| 620 | if (argc > 2) |
| 621 | targetshouldbedirectory = 1; |
| 622 | |
| 623 | remin = remout = -1; |
| 624 | do_cmd_pid = -1; |
| 625 | /* Command to be executed on remote system using "ssh". */ |
| 626 | (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", |
| 627 | verbose_mode ? " -v" : "", |
| 628 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
| 629 | targetshouldbedirectory ? " -d" : ""); |
| 630 | |
| 631 | (void) ssh_signal(SIGPIPE13, lostconn); |
| 632 | |
| 633 | if (colon(argv[argc - 1])) /* Dest is remote host. */ |
| 634 | toremote(argc, argv, mode, sftp_direct); |
| 635 | else { |
| 636 | if (targetshouldbedirectory) |
| 637 | verifydir(argv[argc - 1]); |
| 638 | tolocal(argc, argv, mode, sftp_direct); /* Dest is local host. */ |
| 639 | } |
| 640 | /* |
| 641 | * Finally check the exit status of the ssh process, if one was forked |
| 642 | * and no error has occurred yet |
| 643 | */ |
| 644 | if (do_cmd_pid != -1 && (mode == MODE_SFTP || errs == 0)) { |
| 645 | if (remin != -1) |
| 646 | (void) close(remin); |
| 647 | if (remout != -1) |
| 648 | (void) close(remout); |
| 649 | if (waitpid(do_cmd_pid, &status, 0) == -1) |
| 650 | errs = 1; |
| 651 | else { |
| 652 | if (!WIFEXITED(status)(((status) & 0177) == 0) || WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) != 0) |
| 653 | errs = 1; |
| 654 | } |
| 655 | } |
| 656 | exit(errs != 0); |
| 657 | } |
| 658 | |
| 659 | /* Callback from atomicio6 to update progress meter and limit bandwidth */ |
| 660 | static int |
| 661 | scpio(void *_cnt, size_t s) |
| 662 | { |
| 663 | off_t *cnt = (off_t *)_cnt; |
| 664 | |
| 665 | *cnt += s; |
| 666 | refresh_progress_meter(0); |
| 667 | if (limit_kbps > 0) |
| 668 | bandwidth_limit(&bwlimit, s); |
| 669 | return 0; |
| 670 | } |
| 671 | |
| 672 | static int |
| 673 | do_times(int fd, int verb, const struct stat *sb) |
| 674 | { |
| 675 | /* strlen(2^64) == 20; strlen(10^6) == 7 */ |
| 676 | char buf[(20 + 7 + 2) * 2 + 2]; |
| 677 | |
| 678 | (void)snprintf(buf, sizeof(buf), "T%llu 0 %llu 0\n", |
| 679 | (unsigned long long) (sb->st_mtimest_mtim.tv_sec < 0 ? 0 : sb->st_mtimest_mtim.tv_sec), |
| 680 | (unsigned long long) (sb->st_atimest_atim.tv_sec < 0 ? 0 : sb->st_atimest_atim.tv_sec)); |
| 681 | if (verb) { |
| 682 | fprintf(stderr(&__sF[2]), "File mtime %lld atime %lld\n", |
| 683 | (long long)sb->st_mtimest_mtim.tv_sec, (long long)sb->st_atimest_atim.tv_sec); |
| 684 | fprintf(stderr(&__sF[2]), "Sending file timestamps: %s", buf); |
| 685 | } |
| 686 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, fd, buf, strlen(buf)); |
| 687 | return (response()); |
| 688 | } |
| 689 | |
| 690 | static int |
| 691 | parse_scp_uri(const char *uri, char **userp, char **hostp, int *portp, |
| 692 | char **pathp) |
| 693 | { |
| 694 | int r; |
| 695 | |
| 696 | r = parse_uri("scp", uri, userp, hostp, portp, pathp); |
| 697 | if (r == 0 && *pathp == NULL((void *)0)) |
| 698 | *pathp = xstrdup("."); |
| 699 | return r; |
| 700 | } |
| 701 | |
| 702 | /* Appends a string to an array; returns 0 on success, -1 on alloc failure */ |
| 703 | static int |
| 704 | append(char *cp, char ***ap, size_t *np) |
| 705 | { |
| 706 | char **tmp; |
| 707 | |
| 708 | if ((tmp = reallocarray(*ap, *np + 1, sizeof(*tmp))) == NULL((void *)0)) |
| 709 | return -1; |
| 710 | tmp[(*np)] = cp; |
| 711 | (*np)++; |
| 712 | *ap = tmp; |
| 713 | return 0; |
| 714 | } |
| 715 | |
| 716 | /* |
| 717 | * Finds the start and end of the first brace pair in the pattern. |
| 718 | * returns 0 on success or -1 for invalid patterns. |
| 719 | */ |
| 720 | static int |
| 721 | find_brace(const char *pattern, int *startp, int *endp) |
| 722 | { |
| 723 | int i; |
| 724 | int in_bracket, brace_level; |
| 725 | |
| 726 | *startp = *endp = -1; |
| 727 | in_bracket = brace_level = 0; |
| 728 | for (i = 0; i < INT_MAX0x7fffffff && *endp < 0 && pattern[i] != '\0'; i++) { |
| 729 | switch (pattern[i]) { |
| 730 | case '\\': |
| 731 | /* skip next character */ |
| 732 | if (pattern[i + 1] != '\0') |
| 733 | i++; |
| 734 | break; |
| 735 | case '[': |
| 736 | in_bracket = 1; |
| 737 | break; |
| 738 | case ']': |
| 739 | in_bracket = 0; |
| 740 | break; |
| 741 | case '{': |
| 742 | if (in_bracket) |
| 743 | break; |
| 744 | if (pattern[i + 1] == '}') { |
| 745 | /* Protect a single {}, for find(1), like csh */ |
| 746 | i++; /* skip */ |
| 747 | break; |
| 748 | } |
| 749 | if (*startp == -1) |
| 750 | *startp = i; |
| 751 | brace_level++; |
| 752 | break; |
| 753 | case '}': |
| 754 | if (in_bracket) |
| 755 | break; |
| 756 | if (*startp < 0) { |
| 757 | /* Unbalanced brace */ |
| 758 | return -1; |
| 759 | } |
| 760 | if (--brace_level <= 0) |
| 761 | *endp = i; |
| 762 | break; |
| 763 | } |
| 764 | } |
| 765 | /* unbalanced brackets/braces */ |
| 766 | if (*endp < 0 && (*startp >= 0 || in_bracket)) |
| 767 | return -1; |
| 768 | return 0; |
| 769 | } |
| 770 | |
| 771 | /* |
| 772 | * Assembles and records a successfully-expanded pattern, returns -1 on |
| 773 | * alloc failure. |
| 774 | */ |
| 775 | static int |
| 776 | emit_expansion(const char *pattern, int brace_start, int brace_end, |
| 777 | int sel_start, int sel_end, char ***patternsp, size_t *npatternsp) |
| 778 | { |
| 779 | char *cp; |
| 780 | size_t pattern_len; |
| 781 | int o = 0, tail_len; |
| 782 | |
| 783 | if ((pattern_len = strlen(pattern)) == 0 || pattern_len >= INT_MAX0x7fffffff) |
| 784 | return -1; |
| 785 | |
| 786 | tail_len = strlen(pattern + brace_end + 1); |
| 787 | if ((cp = malloc(brace_start + (sel_end - sel_start) + |
| 788 | tail_len + 1)) == NULL((void *)0)) |
| 789 | return -1; |
| 790 | |
| 791 | /* Pattern before initial brace */ |
| 792 | if (brace_start > 0) { |
| 793 | memcpy(cp, pattern, brace_start); |
| 794 | o = brace_start; |
| 795 | } |
| 796 | /* Current braced selection */ |
| 797 | if (sel_end - sel_start > 0) { |
| 798 | memcpy(cp + o, pattern + sel_start, |
| 799 | sel_end - sel_start); |
| 800 | o += sel_end - sel_start; |
| 801 | } |
| 802 | /* Remainder of pattern after closing brace */ |
| 803 | if (tail_len > 0) { |
| 804 | memcpy(cp + o, pattern + brace_end + 1, tail_len); |
| 805 | o += tail_len; |
| 806 | } |
| 807 | cp[o] = '\0'; |
| 808 | if (append(cp, patternsp, npatternsp) != 0) { |
| 809 | free(cp); |
| 810 | return -1; |
| 811 | } |
| 812 | return 0; |
| 813 | } |
| 814 | |
| 815 | /* |
| 816 | * Expand the first encountered brace in pattern, appending the expanded |
| 817 | * patterns it yielded to the *patternsp array. |
| 818 | * |
| 819 | * Returns 0 on success or -1 on allocation failure. |
| 820 | * |
| 821 | * Signals whether expansion was performed via *expanded and whether |
| 822 | * pattern was invalid via *invalid. |
| 823 | */ |
| 824 | static int |
| 825 | brace_expand_one(const char *pattern, char ***patternsp, size_t *npatternsp, |
| 826 | int *expanded, int *invalid) |
| 827 | { |
| 828 | int i; |
| 829 | int in_bracket, brace_start, brace_end, brace_level; |
| 830 | int sel_start, sel_end; |
| 831 | |
| 832 | *invalid = *expanded = 0; |
| 833 | |
| 834 | if (find_brace(pattern, &brace_start, &brace_end) != 0) { |
| 835 | *invalid = 1; |
| 836 | return 0; |
| 837 | } else if (brace_start == -1) |
| 838 | return 0; |
| 839 | |
| 840 | in_bracket = brace_level = 0; |
| 841 | for (i = sel_start = brace_start + 1; i < brace_end; i++) { |
| 842 | switch (pattern[i]) { |
| 843 | case '{': |
| 844 | if (in_bracket) |
| 845 | break; |
| 846 | brace_level++; |
| 847 | break; |
| 848 | case '}': |
| 849 | if (in_bracket) |
| 850 | break; |
| 851 | brace_level--; |
| 852 | break; |
| 853 | case '[': |
| 854 | in_bracket = 1; |
| 855 | break; |
| 856 | case ']': |
| 857 | in_bracket = 0; |
| 858 | break; |
| 859 | case '\\': |
| 860 | if (i < brace_end - 1) |
| 861 | i++; /* skip */ |
| 862 | break; |
| 863 | } |
| 864 | if (pattern[i] == ',' || i == brace_end - 1) { |
| 865 | if (in_bracket || brace_level > 0) |
| 866 | continue; |
| 867 | /* End of a selection, emit an expanded pattern */ |
| 868 | |
| 869 | /* Adjust end index for last selection */ |
| 870 | sel_end = (i == brace_end - 1) ? brace_end : i; |
| 871 | if (emit_expansion(pattern, brace_start, brace_end, |
| 872 | sel_start, sel_end, patternsp, npatternsp) != 0) |
| 873 | return -1; |
| 874 | /* move on to the next selection */ |
| 875 | sel_start = i + 1; |
| 876 | continue; |
| 877 | } |
| 878 | } |
| 879 | if (in_bracket || brace_level > 0) { |
| 880 | *invalid = 1; |
| 881 | return 0; |
| 882 | } |
| 883 | /* success */ |
| 884 | *expanded = 1; |
| 885 | return 0; |
| 886 | } |
| 887 | |
| 888 | /* Expand braces from pattern. Returns 0 on success, -1 on failure */ |
| 889 | static int |
| 890 | brace_expand(const char *pattern, char ***patternsp, size_t *npatternsp) |
| 891 | { |
| 892 | char *cp, *cp2, **active = NULL((void *)0), **done = NULL((void *)0); |
| 893 | size_t i, nactive = 0, ndone = 0; |
| 894 | int ret = -1, invalid = 0, expanded = 0; |
| 895 | |
| 896 | *patternsp = NULL((void *)0); |
| 897 | *npatternsp = 0; |
| 898 | |
| 899 | /* Start the worklist with the original pattern */ |
| 900 | if ((cp = strdup(pattern)) == NULL((void *)0)) |
| 901 | return -1; |
| 902 | if (append(cp, &active, &nactive) != 0) { |
| 903 | free(cp); |
| 904 | return -1; |
| 905 | } |
| 906 | while (nactive > 0) { |
| 907 | cp = active[nactive - 1]; |
| 908 | nactive--; |
| 909 | if (brace_expand_one(cp, &active, &nactive, |
| 910 | &expanded, &invalid) == -1) { |
| 911 | free(cp); |
| 912 | goto fail; |
| 913 | } |
| 914 | if (invalid) |
| 915 | fatal_f("invalid brace pattern \"%s\"", cp)sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 915, 1 , SYSLOG_LEVEL_FATAL, ((void *)0), "invalid brace pattern \"%s\"" , cp); |
| 916 | if (expanded) { |
| 917 | /* |
| 918 | * Current entry expanded to new entries on the |
| 919 | * active list; discard the progenitor pattern. |
| 920 | */ |
| 921 | free(cp); |
| 922 | continue; |
| 923 | } |
| 924 | /* |
| 925 | * Pattern did not expand; append the finename component to |
| 926 | * the completed list |
| 927 | */ |
| 928 | if ((cp2 = strrchr(cp, '/')) != NULL((void *)0)) |
| 929 | *cp2++ = '\0'; |
| 930 | else |
| 931 | cp2 = cp; |
| 932 | if (append(xstrdup(cp2), &done, &ndone) != 0) { |
| 933 | free(cp); |
| 934 | goto fail; |
| 935 | } |
| 936 | free(cp); |
| 937 | } |
| 938 | /* success */ |
| 939 | *patternsp = done; |
| 940 | *npatternsp = ndone; |
| 941 | done = NULL((void *)0); |
| 942 | ndone = 0; |
| 943 | ret = 0; |
| 944 | fail: |
| 945 | for (i = 0; i < nactive; i++) |
| 946 | free(active[i]); |
| 947 | free(active); |
| 948 | for (i = 0; i < ndone; i++) |
| 949 | free(done[i]); |
| 950 | free(done); |
| 951 | return ret; |
| 952 | } |
| 953 | |
| 954 | static struct sftp_conn * |
| 955 | do_sftp_connect(char *host, char *user, int port, char *sftp_direct, |
| 956 | int *reminp, int *remoutp, int *pidp) |
| 957 | { |
| 958 | if (sftp_direct == NULL((void *)0)) { |
| 959 | if (do_cmd(ssh_program, host, user, port, 1, "sftp", |
| 960 | reminp, remoutp, pidp) < 0) |
| 961 | return NULL((void *)0); |
| 962 | |
| 963 | } else { |
| 964 | freeargs(&args); |
| 965 | addargs(&args, "sftp-server"); |
| 966 | if (do_cmd(sftp_direct, host, NULL((void *)0), -1, 0, "sftp", |
| 967 | reminp, remoutp, pidp) < 0) |
| 968 | return NULL((void *)0); |
| 969 | } |
| 970 | return sftp_init(*reminp, *remoutp, |
| 971 | sftp_copy_buflen, sftp_nrequests, limit_kbps); |
| 972 | } |
| 973 | |
| 974 | void |
| 975 | toremote(int argc, char **argv, enum scp_mode_e mode, char *sftp_direct) |
| 976 | { |
| 977 | char *suser = NULL((void *)0), *host = NULL((void *)0), *src = NULL((void *)0); |
| 978 | char *bp, *tuser, *thost, *targ; |
| 979 | int sport = -1, tport = -1; |
| 980 | struct sftp_conn *conn = NULL((void *)0), *conn2 = NULL((void *)0); |
| 981 | arglist alist; |
| 982 | int i, r, status; |
| 983 | struct stat sb; |
| 984 | u_int j; |
| 985 | |
| 986 | memset(&alist, '\0', sizeof(alist)); |
| 987 | alist.list = NULL((void *)0); |
| 988 | |
| 989 | /* Parse target */ |
| 990 | r = parse_scp_uri(argv[argc - 1], &tuser, &thost, &tport, &targ); |
| 991 | if (r == -1) { |
| 992 | fmprintf(stderr(&__sF[2]), "%s: invalid uri\n", argv[argc - 1]); |
| 993 | ++errs; |
| 994 | goto out; |
| 995 | } |
| 996 | if (r != 0) { |
| 997 | if (parse_user_host_path(argv[argc - 1], &tuser, &thost, |
| 998 | &targ) == -1) { |
| 999 | fmprintf(stderr(&__sF[2]), "%s: invalid target\n", argv[argc - 1]); |
| 1000 | ++errs; |
| 1001 | goto out; |
| 1002 | } |
| 1003 | } |
| 1004 | |
| 1005 | /* Parse source files */ |
| 1006 | for (i = 0; i < argc - 1; i++) { |
| 1007 | free(suser); |
| 1008 | free(host); |
| 1009 | free(src); |
| 1010 | r = parse_scp_uri(argv[i], &suser, &host, &sport, &src); |
| 1011 | if (r == -1) { |
| 1012 | fmprintf(stderr(&__sF[2]), "%s: invalid uri\n", argv[i]); |
| 1013 | ++errs; |
| 1014 | continue; |
| 1015 | } |
| 1016 | if (r != 0) { |
| 1017 | parse_user_host_path(argv[i], &suser, &host, &src); |
| 1018 | } |
| 1019 | if (suser != NULL((void *)0) && !okname(suser)) { |
| 1020 | ++errs; |
| 1021 | continue; |
| 1022 | } |
| 1023 | if (host && throughlocal) { /* extended remote to remote */ |
| 1024 | if (mode == MODE_SFTP) { |
| 1025 | if (remin == -1) { |
| 1026 | /* Connect to dest now */ |
| 1027 | conn = do_sftp_connect(thost, tuser, |
| 1028 | tport, sftp_direct, |
| 1029 | &remin, &remout, &do_cmd_pid); |
| 1030 | if (conn == NULL((void *)0)) { |
| 1031 | fatal("Unable to open "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1032, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open " "destination connection" ) |
| 1032 | "destination connection")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1032, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open " "destination connection" ); |
| 1033 | } |
| 1034 | debug3_f("origin in %d out %d pid %ld",sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1035, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "origin in %d out %d pid %ld" , remin, remout, (long)do_cmd_pid) |
| 1035 | remin, remout, (long)do_cmd_pid)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1035, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "origin in %d out %d pid %ld" , remin, remout, (long)do_cmd_pid); |
| 1036 | } |
| 1037 | /* |
| 1038 | * XXX remember suser/host/sport and only |
| 1039 | * reconnect if they change between arguments. |
| 1040 | * would save reconnections for cases like |
| 1041 | * scp -3 hosta:/foo hosta:/bar hostb: |
| 1042 | */ |
| 1043 | /* Connect to origin now */ |
| 1044 | conn2 = do_sftp_connect(host, suser, |
| 1045 | sport, sftp_direct, |
| 1046 | &remin2, &remout2, &do_cmd_pid2); |
| 1047 | if (conn2 == NULL((void *)0)) { |
| 1048 | fatal("Unable to open "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1049, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open " "source connection" ) |
| 1049 | "source connection")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1049, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open " "source connection" ); |
| 1050 | } |
| 1051 | debug3_f("destination in %d out %d pid %ld",sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1052, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "destination in %d out %d pid %ld" , remin2, remout2, (long)do_cmd_pid2) |
| 1052 | remin2, remout2, (long)do_cmd_pid2)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1052, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "destination in %d out %d pid %ld" , remin2, remout2, (long)do_cmd_pid2); |
| 1053 | throughlocal_sftp(conn2, conn, src, targ); |
| 1054 | (void) close(remin2); |
| 1055 | (void) close(remout2); |
| 1056 | remin2 = remout2 = -1; |
| 1057 | if (waitpid(do_cmd_pid2, &status, 0) == -1) |
| 1058 | ++errs; |
| 1059 | else if (!WIFEXITED(status)(((status) & 0177) == 0) || |
| 1060 | WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) != 0) |
| 1061 | ++errs; |
| 1062 | do_cmd_pid2 = -1; |
| 1063 | continue; |
| 1064 | } else { |
| 1065 | xasprintf(&bp, "%s -f %s%s", cmd, |
| 1066 | *src == '-' ? "-- " : "", src); |
| 1067 | if (do_cmd(ssh_program, host, suser, sport, 0, |
| 1068 | bp, &remin, &remout, &do_cmd_pid) < 0) |
| 1069 | exit(1); |
| 1070 | free(bp); |
| 1071 | xasprintf(&bp, "%s -t %s%s", cmd, |
| 1072 | *targ == '-' ? "-- " : "", targ); |
| 1073 | if (do_cmd2(thost, tuser, tport, bp, |
| 1074 | remin, remout) < 0) |
| 1075 | exit(1); |
| 1076 | free(bp); |
| 1077 | (void) close(remin); |
| 1078 | (void) close(remout); |
| 1079 | remin = remout = -1; |
| 1080 | } |
| 1081 | } else if (host) { /* standard remote to remote */ |
| 1082 | /* |
| 1083 | * Second remote user is passed to first remote side |
| 1084 | * via scp command-line. Ensure it contains no obvious |
| 1085 | * shell characters. |
| 1086 | */ |
| 1087 | if (tuser != NULL((void *)0) && !okname(tuser)) { |
| 1088 | ++errs; |
| 1089 | continue; |
| 1090 | } |
| 1091 | if (tport != -1 && tport != SSH_DEFAULT_PORT22) { |
| 1092 | /* This would require the remote support URIs */ |
| 1093 | fatal("target port not supported with two "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1094, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "target port not supported with two " "remote hosts and the -R option") |
| 1094 | "remote hosts and the -R option")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1094, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "target port not supported with two " "remote hosts and the -R option"); |
| 1095 | } |
| 1096 | |
| 1097 | freeargs(&alist); |
| 1098 | addargs(&alist, "%s", ssh_program); |
| 1099 | addargs(&alist, "-x"); |
| 1100 | addargs(&alist, "-oClearAllForwardings=yes"); |
| 1101 | addargs(&alist, "-n"); |
| 1102 | for (j = 0; j < remote_remote_args.num; j++) { |
| 1103 | addargs(&alist, "%s", |
| 1104 | remote_remote_args.list[j]); |
| 1105 | } |
| 1106 | |
| 1107 | if (sport != -1) { |
| 1108 | addargs(&alist, "-p"); |
| 1109 | addargs(&alist, "%d", sport); |
| 1110 | } |
| 1111 | if (suser) { |
| 1112 | addargs(&alist, "-l"); |
| 1113 | addargs(&alist, "%s", suser); |
| 1114 | } |
| 1115 | addargs(&alist, "--"); |
| 1116 | addargs(&alist, "%s", host); |
| 1117 | addargs(&alist, "%s", cmd); |
| 1118 | addargs(&alist, "%s", src); |
| 1119 | addargs(&alist, "%s%s%s:%s", |
| 1120 | tuser ? tuser : "", tuser ? "@" : "", |
| 1121 | thost, targ); |
| 1122 | if (do_local_cmd(&alist) != 0) |
| 1123 | errs = 1; |
| 1124 | } else { /* local to remote */ |
| 1125 | if (mode == MODE_SFTP) { |
| 1126 | /* no need to glob: already done by shell */ |
| 1127 | if (stat(argv[i], &sb) != 0) { |
| 1128 | fatal("stat local \"%s\": %s", argv[i],sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1129, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "stat local \"%s\": %s", argv[i], strerror((*__errno()))) |
| 1129 | strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1129, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "stat local \"%s\": %s", argv[i], strerror((*__errno()))); |
| 1130 | } |
| 1131 | if (remin == -1) { |
| 1132 | /* Connect to remote now */ |
| 1133 | conn = do_sftp_connect(thost, tuser, |
| 1134 | tport, sftp_direct, |
| 1135 | &remin, &remout, &do_cmd_pid); |
| 1136 | if (conn == NULL((void *)0)) { |
| 1137 | fatal("Unable to open sftp "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1138, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open sftp " "connection" ) |
| 1138 | "connection")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1138, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open sftp " "connection" ); |
| 1139 | } |
| 1140 | } |
| 1141 | |
| 1142 | /* The protocol */ |
| 1143 | source_sftp(1, argv[i], targ, conn); |
| 1144 | continue; |
| 1145 | } |
| 1146 | /* SCP */ |
| 1147 | if (remin == -1) { |
| 1148 | xasprintf(&bp, "%s -t %s%s", cmd, |
| 1149 | *targ == '-' ? "-- " : "", targ); |
| 1150 | if (do_cmd(ssh_program, thost, tuser, tport, 0, |
| 1151 | bp, &remin, &remout, &do_cmd_pid) < 0) |
| 1152 | exit(1); |
| 1153 | if (response() < 0) |
| 1154 | exit(1); |
| 1155 | free(bp); |
| 1156 | } |
| 1157 | source(1, argv + i); |
| 1158 | } |
| 1159 | } |
| 1160 | out: |
| 1161 | if (mode == MODE_SFTP) |
| 1162 | free(conn); |
| 1163 | free(tuser); |
| 1164 | free(thost); |
| 1165 | free(targ); |
| 1166 | free(suser); |
| 1167 | free(host); |
| 1168 | free(src); |
| 1169 | } |
| 1170 | |
| 1171 | void |
| 1172 | tolocal(int argc, char **argv, enum scp_mode_e mode, char *sftp_direct) |
| 1173 | { |
| 1174 | char *bp, *host = NULL((void *)0), *src = NULL((void *)0), *suser = NULL((void *)0); |
| 1175 | arglist alist; |
| 1176 | struct sftp_conn *conn = NULL((void *)0); |
| 1177 | int i, r, sport = -1; |
| 1178 | |
| 1179 | memset(&alist, '\0', sizeof(alist)); |
| 1180 | alist.list = NULL((void *)0); |
| 1181 | |
| 1182 | for (i = 0; i < argc - 1; i++) { |
| 1183 | free(suser); |
| 1184 | free(host); |
| 1185 | free(src); |
| 1186 | r = parse_scp_uri(argv[i], &suser, &host, &sport, &src); |
| 1187 | if (r == -1) { |
| 1188 | fmprintf(stderr(&__sF[2]), "%s: invalid uri\n", argv[i]); |
| 1189 | ++errs; |
| 1190 | continue; |
| 1191 | } |
| 1192 | if (r != 0) |
| 1193 | parse_user_host_path(argv[i], &suser, &host, &src); |
| 1194 | if (suser != NULL((void *)0) && !okname(suser)) { |
| 1195 | ++errs; |
| 1196 | continue; |
| 1197 | } |
| 1198 | if (!host) { /* Local to local. */ |
| 1199 | freeargs(&alist); |
| 1200 | addargs(&alist, "%s", _PATH_CP"cp"); |
| 1201 | if (iamrecursive) |
| 1202 | addargs(&alist, "-r"); |
| 1203 | if (pflag) |
| 1204 | addargs(&alist, "-p"); |
| 1205 | addargs(&alist, "--"); |
| 1206 | addargs(&alist, "%s", argv[i]); |
| 1207 | addargs(&alist, "%s", argv[argc-1]); |
| 1208 | if (do_local_cmd(&alist)) |
| 1209 | ++errs; |
| 1210 | continue; |
| 1211 | } |
| 1212 | /* Remote to local. */ |
| 1213 | if (mode == MODE_SFTP) { |
| 1214 | conn = do_sftp_connect(host, suser, sport, |
| 1215 | sftp_direct, &remin, &remout, &do_cmd_pid); |
| 1216 | if (conn == NULL((void *)0)) { |
| 1217 | error("sftp connection failed")sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1217, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "sftp connection failed"); |
| 1218 | ++errs; |
| 1219 | continue; |
| 1220 | } |
| 1221 | |
| 1222 | /* The protocol */ |
| 1223 | sink_sftp(1, argv[argc - 1], src, conn); |
| 1224 | |
| 1225 | free(conn); |
| 1226 | (void) close(remin); |
| 1227 | (void) close(remout); |
| 1228 | remin = remout = -1; |
| 1229 | continue; |
| 1230 | } |
| 1231 | /* SCP */ |
| 1232 | xasprintf(&bp, "%s -f %s%s", |
| 1233 | cmd, *src == '-' ? "-- " : "", src); |
| 1234 | if (do_cmd(ssh_program, host, suser, sport, 0, bp, |
| 1235 | &remin, &remout, &do_cmd_pid) < 0) { |
| 1236 | free(bp); |
| 1237 | ++errs; |
| 1238 | continue; |
| 1239 | } |
| 1240 | free(bp); |
| 1241 | sink(1, argv + argc - 1, src); |
| 1242 | (void) close(remin); |
| 1243 | remin = remout = -1; |
| 1244 | } |
| 1245 | free(suser); |
| 1246 | free(host); |
| 1247 | free(src); |
| 1248 | } |
| 1249 | |
| 1250 | /* Prepare remote path, handling ~ by assuming cwd is the homedir */ |
| 1251 | static char * |
| 1252 | prepare_remote_path(struct sftp_conn *conn, const char *path) |
| 1253 | { |
| 1254 | size_t nslash; |
| 1255 | |
| 1256 | /* Handle ~ prefixed paths */ |
| 1257 | if (*path == '\0' || strcmp(path, "~") == 0) |
| 1258 | return xstrdup("."); |
| 1259 | if (*path != '~') |
| 1260 | return xstrdup(path); |
| 1261 | if (strncmp(path, "~/", 2) == 0) { |
| 1262 | if ((nslash = strspn(path + 2, "/")) == strlen(path + 2)) |
| 1263 | return xstrdup("."); |
| 1264 | return xstrdup(path + 2 + nslash); |
| 1265 | } |
| 1266 | if (sftp_can_expand_path(conn)) |
| 1267 | return sftp_expand_path(conn, path); |
| 1268 | /* No protocol extension */ |
| 1269 | error("server expand-path extension is required "sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1270, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "server expand-path extension is required " "for ~user paths in SFTP mode") |
| 1270 | "for ~user paths in SFTP mode")sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1270, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "server expand-path extension is required " "for ~user paths in SFTP mode"); |
| 1271 | return NULL((void *)0); |
| 1272 | } |
| 1273 | |
| 1274 | void |
| 1275 | source_sftp(int argc, char *src, char *targ, struct sftp_conn *conn) |
| 1276 | { |
| 1277 | char *target = NULL((void *)0), *filename = NULL((void *)0), *abs_dst = NULL((void *)0); |
| 1278 | int src_is_dir, target_is_dir; |
| 1279 | Attrib a; |
| 1280 | struct stat st; |
| 1281 | |
| 1282 | memset(&a, '\0', sizeof(a)); |
| 1283 | if (stat(src, &st) != 0) |
| 1284 | fatal("stat local \"%s\": %s", src, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1284, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "stat local \"%s\": %s", src, strerror((*__errno()))); |
| 1285 | src_is_dir = S_ISDIR(st.st_mode)((st.st_mode & 0170000) == 0040000); |
| 1286 | if ((filename = basename(src)) == NULL((void *)0)) |
| 1287 | fatal("basename \"%s\": %s", src, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1287, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "basename \"%s\": %s", src , strerror((*__errno()))); |
| 1288 | |
| 1289 | /* |
| 1290 | * No need to glob here - the local shell already took care of |
| 1291 | * the expansions |
| 1292 | */ |
| 1293 | if ((target = prepare_remote_path(conn, targ)) == NULL((void *)0)) |
| 1294 | cleanup_exit(255); |
| 1295 | target_is_dir = sftp_remote_is_dir(conn, target); |
| 1296 | if (targetshouldbedirectory && !target_is_dir) { |
| 1297 | debug("target directory \"%s\" does not exist", target)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1297, 0 , SYSLOG_LEVEL_DEBUG1, ((void *)0), "target directory \"%s\" does not exist" , target); |
| 1298 | a.flags = SSH2_FILEXFER_ATTR_PERMISSIONS0x00000004; |
| 1299 | a.perm = st.st_mode | 0700; /* ensure writable */ |
| 1300 | if (sftp_mkdir(conn, target, &a, 1) != 0) |
| 1301 | cleanup_exit(255); /* error already logged */ |
| 1302 | target_is_dir = 1; |
| 1303 | } |
| 1304 | if (target_is_dir) |
| 1305 | abs_dst = sftp_path_append(target, filename); |
| 1306 | else { |
| 1307 | abs_dst = target; |
| 1308 | target = NULL((void *)0); |
| 1309 | } |
| 1310 | debug3_f("copying local %s to remote %s", src, abs_dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1310, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "copying local %s to remote %s" , src, abs_dst); |
| 1311 | |
| 1312 | if (src_is_dir && iamrecursive) { |
| 1313 | if (sftp_upload_dir(conn, src, abs_dst, pflag, |
| 1314 | SFTP_PROGRESS_ONLY2, 0, 0, 1, 1) != 0) { |
| 1315 | error("failed to upload directory %s to %s", src, targ)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1315, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "failed to upload directory %s to %s" , src, targ); |
| 1316 | errs = 1; |
| 1317 | } |
| 1318 | } else if (sftp_upload(conn, src, abs_dst, pflag, 0, 0, 1) != 0) { |
| 1319 | error("failed to upload file %s to %s", src, targ)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1319, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "failed to upload file %s to %s" , src, targ); |
| 1320 | errs = 1; |
| 1321 | } |
| 1322 | |
| 1323 | free(abs_dst); |
| 1324 | free(target); |
| 1325 | } |
| 1326 | |
| 1327 | void |
| 1328 | source(int argc, char **argv) |
| 1329 | { |
| 1330 | struct stat stb; |
| 1331 | static BUF buffer; |
| 1332 | BUF *bp; |
| 1333 | off_t i, statbytes; |
| 1334 | size_t amt, nr; |
| 1335 | int fd = -1, haderr, indx; |
| 1336 | char *last, *name, buf[PATH_MAX1024 + 128], encname[PATH_MAX1024]; |
| 1337 | int len; |
| 1338 | |
| 1339 | for (indx = 0; indx < argc; ++indx) { |
| 1340 | name = argv[indx]; |
| 1341 | statbytes = 0; |
| 1342 | len = strlen(name); |
| 1343 | while (len > 1 && name[len-1] == '/') |
| 1344 | name[--len] = '\0'; |
| 1345 | if ((fd = open(name, O_RDONLY0x0000|O_NONBLOCK0x0004)) == -1) |
| 1346 | goto syserr; |
| 1347 | if (strchr(name, '\n') != NULL((void *)0)) { |
| 1348 | strnvis(encname, name, sizeof(encname), VIS_NL0x10); |
| 1349 | name = encname; |
| 1350 | } |
| 1351 | if (fstat(fd, &stb) == -1) { |
| 1352 | syserr: run_err("%s: %s", name, strerror(errno(*__errno()))); |
| 1353 | goto next; |
| 1354 | } |
| 1355 | if (stb.st_size < 0) { |
| 1356 | run_err("%s: %s", name, "Negative file size"); |
| 1357 | goto next; |
| 1358 | } |
| 1359 | unset_nonblock(fd); |
| 1360 | switch (stb.st_mode & S_IFMT0170000) { |
| 1361 | case S_IFREG0100000: |
| 1362 | break; |
| 1363 | case S_IFDIR0040000: |
| 1364 | if (iamrecursive) { |
| 1365 | rsource(name, &stb); |
| 1366 | goto next; |
| 1367 | } |
| 1368 | /* FALLTHROUGH */ |
| 1369 | default: |
| 1370 | run_err("%s: not a regular file", name); |
| 1371 | goto next; |
| 1372 | } |
| 1373 | if ((last = strrchr(name, '/')) == NULL((void *)0)) |
| 1374 | last = name; |
| 1375 | else |
| 1376 | ++last; |
| 1377 | curfile = last; |
| 1378 | if (pflag) { |
| 1379 | if (do_times(remout, verbose_mode, &stb) < 0) |
| 1380 | goto next; |
| 1381 | } |
| 1382 | #define FILEMODEMASK(0004000|0002000|0000700|0000070|0000007) (S_ISUID0004000|S_ISGID0002000|S_IRWXU0000700|S_IRWXG0000070|S_IRWXO0000007) |
| 1383 | snprintf(buf, sizeof buf, "C%04o %lld %s\n", |
| 1384 | (u_int) (stb.st_mode & FILEMODEMASK(0004000|0002000|0000700|0000070|0000007)), |
| 1385 | (long long)stb.st_size, last); |
| 1386 | if (verbose_mode) |
| 1387 | fmprintf(stderr(&__sF[2]), "Sending file modes: %s", buf); |
| 1388 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, buf, strlen(buf)); |
| 1389 | if (response() < 0) |
| 1390 | goto next; |
| 1391 | if ((bp = allocbuf(&buffer, fd, COPY_BUFLEN16384)) == NULL((void *)0)) { |
| 1392 | next: if (fd != -1) { |
| 1393 | (void) close(fd); |
| 1394 | fd = -1; |
| 1395 | } |
| 1396 | continue; |
| 1397 | } |
| 1398 | if (showprogress) |
| 1399 | start_progress_meter(curfile, stb.st_size, &statbytes); |
| 1400 | set_nonblock(remout); |
| 1401 | for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { |
| 1402 | amt = bp->cnt; |
| 1403 | if (i + (off_t)amt > stb.st_size) |
| 1404 | amt = stb.st_size - i; |
| 1405 | if (!haderr) { |
| 1406 | if ((nr = atomicio(read, fd, |
| 1407 | bp->buf, amt)) != amt) { |
| 1408 | haderr = errno(*__errno()); |
| 1409 | memset(bp->buf + nr, 0, amt - nr); |
| 1410 | } |
| 1411 | } |
| 1412 | /* Keep writing after error to retain sync */ |
| 1413 | if (haderr) { |
| 1414 | (void)atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, bp->buf, amt); |
| 1415 | memset(bp->buf, 0, amt); |
| 1416 | continue; |
| 1417 | } |
| 1418 | if (atomicio6(vwrite(ssize_t (*)(int, void *, size_t))write, remout, bp->buf, amt, scpio, |
| 1419 | &statbytes) != amt) |
| 1420 | haderr = errno(*__errno()); |
| 1421 | } |
| 1422 | unset_nonblock(remout); |
| 1423 | |
| 1424 | if (fd != -1) { |
| 1425 | if (close(fd) == -1 && !haderr) |
| 1426 | haderr = errno(*__errno()); |
| 1427 | fd = -1; |
| 1428 | } |
| 1429 | if (!haderr) |
| 1430 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
| 1431 | else |
| 1432 | run_err("%s: %s", name, strerror(haderr)); |
| 1433 | (void) response(); |
| 1434 | if (showprogress) |
| 1435 | stop_progress_meter(); |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | void |
| 1440 | rsource(char *name, struct stat *statp) |
| 1441 | { |
| 1442 | DIR *dirp; |
| 1443 | struct dirent *dp; |
| 1444 | char *last, *vect[1], path[PATH_MAX1024]; |
| 1445 | |
| 1446 | if (!(dirp = opendir(name))) { |
| 1447 | run_err("%s: %s", name, strerror(errno(*__errno()))); |
| 1448 | return; |
| 1449 | } |
| 1450 | last = strrchr(name, '/'); |
| 1451 | if (last == NULL((void *)0)) |
| 1452 | last = name; |
| 1453 | else |
| 1454 | last++; |
| 1455 | if (pflag) { |
| 1456 | if (do_times(remout, verbose_mode, statp) < 0) { |
| 1457 | closedir(dirp); |
| 1458 | return; |
| 1459 | } |
| 1460 | } |
| 1461 | (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", |
| 1462 | (u_int) (statp->st_mode & FILEMODEMASK(0004000|0002000|0000700|0000070|0000007)), 0, last); |
| 1463 | if (verbose_mode) |
| 1464 | fmprintf(stderr(&__sF[2]), "Entering directory: %s", path); |
| 1465 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, path, strlen(path)); |
| 1466 | if (response() < 0) { |
| 1467 | closedir(dirp); |
| 1468 | return; |
| 1469 | } |
| 1470 | while ((dp = readdir(dirp)) != NULL((void *)0)) { |
| 1471 | if (dp->d_inod_fileno == 0) |
| 1472 | continue; |
| 1473 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) |
| 1474 | continue; |
| 1475 | if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { |
| 1476 | run_err("%s/%s: name too long", name, dp->d_name); |
| 1477 | continue; |
| 1478 | } |
| 1479 | (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); |
| 1480 | vect[0] = path; |
| 1481 | source(1, vect); |
| 1482 | } |
| 1483 | (void) closedir(dirp); |
| 1484 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "E\n", 2); |
| 1485 | (void) response(); |
| 1486 | } |
| 1487 | |
| 1488 | void |
| 1489 | sink_sftp(int argc, char *dst, const char *src, struct sftp_conn *conn) |
| 1490 | { |
| 1491 | char *abs_src = NULL((void *)0); |
| 1492 | char *abs_dst = NULL((void *)0); |
| 1493 | glob_t g; |
| 1494 | char *filename, *tmp = NULL((void *)0); |
| 1495 | int i, r, err = 0, dst_is_dir; |
| 1496 | struct stat st; |
| 1497 | |
| 1498 | memset(&g, 0, sizeof(g)); |
| 1499 | |
| 1500 | /* |
| 1501 | * Here, we need remote glob as SFTP can not depend on remote shell |
| 1502 | * expansions |
| 1503 | */ |
| 1504 | if ((abs_src = prepare_remote_path(conn, src)) == NULL((void *)0)) { |
| 1505 | err = -1; |
| 1506 | goto out; |
| 1507 | } |
| 1508 | |
| 1509 | debug3_f("copying remote %s to local %s", abs_src, dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1509, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "copying remote %s to local %s" , abs_src, dst); |
| 1510 | if ((r = sftp_glob(conn, abs_src, GLOB_NOCHECK0x0010|GLOB_MARK0x0008, |
| 1511 | NULL((void *)0), &g)) != 0) { |
| 1512 | if (r == GLOB_NOSPACE(-1)) |
| 1513 | error("%s: too many glob matches", src)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1513, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: too many glob matches" , src); |
| 1514 | else |
| 1515 | error("%s: %s", src, strerror(ENOENT))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1515, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: %s", src, strerror(2) ); |
| 1516 | err = -1; |
| 1517 | goto out; |
| 1518 | } |
| 1519 | |
| 1520 | /* Did we actually get any matches back from the glob? */ |
| 1521 | if (g.gl_matchc == 0 && g.gl_pathc == 1 && g.gl_pathv[0] != 0) { |
| 1522 | /* |
| 1523 | * If nothing matched but a path returned, then it's probably |
| 1524 | * a GLOB_NOCHECK result. Check whether the unglobbed path |
| 1525 | * exists so we can give a nice error message early. |
| 1526 | */ |
| 1527 | if (sftp_stat(conn, g.gl_pathv[0], 1, NULL((void *)0)) != 0) { |
| 1528 | error("%s: %s", src, strerror(ENOENT))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1528, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: %s", src, strerror(2) ); |
| 1529 | err = -1; |
| 1530 | goto out; |
| 1531 | } |
| 1532 | } |
| 1533 | |
| 1534 | if ((r = stat(dst, &st)) != 0) |
| 1535 | debug2_f("stat local \"%s\": %s", dst, strerror(errno))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1535, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "stat local \"%s\": %s", dst , strerror((*__errno()))); |
| 1536 | dst_is_dir = r == 0 && S_ISDIR(st.st_mode)((st.st_mode & 0170000) == 0040000); |
| 1537 | |
| 1538 | if (g.gl_matchc > 1 && !dst_is_dir) { |
| 1539 | if (r == 0) { |
| 1540 | error("Multiple files match pattern, but destination "sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1541, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple files match pattern, but destination " "\"%s\" is not a directory", dst) |
| 1541 | "\"%s\" is not a directory", dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1541, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple files match pattern, but destination " "\"%s\" is not a directory", dst); |
| 1542 | err = -1; |
| 1543 | goto out; |
| 1544 | } |
| 1545 | debug2_f("creating destination \"%s\"", dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1545, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "creating destination \"%s\"" , dst); |
| 1546 | if (mkdir(dst, 0777) != 0) { |
| 1547 | error("local mkdir \"%s\": %s", dst, strerror(errno))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1547, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "local mkdir \"%s\": %s", dst , strerror((*__errno()))); |
| 1548 | err = -1; |
| 1549 | goto out; |
| 1550 | } |
| 1551 | dst_is_dir = 1; |
| 1552 | } |
| 1553 | |
| 1554 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
| 1555 | tmp = xstrdup(g.gl_pathv[i]); |
| 1556 | if ((filename = basename(tmp)) == NULL((void *)0)) { |
| 1557 | error("basename %s: %s", tmp, strerror(errno))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1557, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "basename %s: %s", tmp, strerror ((*__errno()))); |
| 1558 | err = -1; |
| 1559 | goto out; |
| 1560 | } |
| 1561 | |
| 1562 | if (dst_is_dir) |
| 1563 | abs_dst = sftp_path_append(dst, filename); |
| 1564 | else |
| 1565 | abs_dst = xstrdup(dst); |
| 1566 | |
| 1567 | debug("Fetching %s to %s\n", g.gl_pathv[i], abs_dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1567, 0 , SYSLOG_LEVEL_DEBUG1, ((void *)0), "Fetching %s to %s\n", g. gl_pathv[i], abs_dst); |
| 1568 | if (sftp_globpath_is_dir(g.gl_pathv[i]) && iamrecursive) { |
| 1569 | if (sftp_download_dir(conn, g.gl_pathv[i], abs_dst, |
| 1570 | NULL((void *)0), pflag, SFTP_PROGRESS_ONLY2, 0, 0, 1, 1) == -1) |
| 1571 | err = -1; |
| 1572 | } else { |
| 1573 | if (sftp_download(conn, g.gl_pathv[i], abs_dst, NULL((void *)0), |
| 1574 | pflag, 0, 0, 1) == -1) |
| 1575 | err = -1; |
| 1576 | } |
| 1577 | free(abs_dst); |
| 1578 | abs_dst = NULL((void *)0); |
| 1579 | free(tmp); |
| 1580 | tmp = NULL((void *)0); |
| 1581 | } |
| 1582 | |
| 1583 | out: |
| 1584 | free(abs_src); |
| 1585 | free(tmp); |
| 1586 | globfree(&g); |
| 1587 | if (err == -1) |
| 1588 | errs = 1; |
| 1589 | } |
| 1590 | |
| 1591 | |
| 1592 | #define TYPE_OVERFLOW(type, val)((sizeof(type) == 4 && (val) > 0x7fffffff) || (sizeof (type) == 8 && (val) > 0x7fffffffffffffffLL) || (sizeof (type) != 4 && sizeof(type) != 8)) \ |
| 1593 | ((sizeof(type) == 4 && (val) > INT32_MAX0x7fffffff) || \ |
| 1594 | (sizeof(type) == 8 && (val) > INT64_MAX0x7fffffffffffffffLL) || \ |
| 1595 | (sizeof(type) != 4 && sizeof(type) != 8)) |
| 1596 | |
| 1597 | void |
| 1598 | sink(int argc, char **argv, const char *src) |
| 1599 | { |
| 1600 | static BUF buffer; |
| 1601 | struct stat stb; |
| 1602 | BUF *bp; |
| 1603 | off_t i; |
| 1604 | size_t j, count; |
| 1605 | int amt, exists, first, ofd; |
| 1606 | mode_t mode, omode, mask; |
| 1607 | off_t size, statbytes; |
| 1608 | unsigned long long ull; |
| 1609 | int setimes, targisdir, wrerr; |
| 1610 | char ch, *cp, *np, *targ, *why, *vect[1], buf[2048], visbuf[2048]; |
| 1611 | char **patterns = NULL((void *)0); |
| 1612 | size_t n, npatterns = 0; |
| 1613 | struct timeval tv[2]; |
| 1614 | |
| 1615 | #define atimetv[0] tv[0] |
| 1616 | #define mtimetv[1] tv[1] |
| 1617 | #define SCREWUP(str){ why = str; goto screwup; } { why = str; goto screwup; } |
| 1618 | |
| 1619 | if (TYPE_OVERFLOW(time_t, 0)((sizeof(time_t) == 4 && (0) > 0x7fffffff) || (sizeof (time_t) == 8 && (0) > 0x7fffffffffffffffLL) || (sizeof (time_t) != 4 && sizeof(time_t) != 8)) || TYPE_OVERFLOW(off_t, 0)((sizeof(off_t) == 4 && (0) > 0x7fffffff) || (sizeof (off_t) == 8 && (0) > 0x7fffffffffffffffLL) || (sizeof (off_t) != 4 && sizeof(off_t) != 8))) |
| 1620 | SCREWUP("Unexpected off_t/time_t size"){ why = "Unexpected off_t/time_t size"; goto screwup; }; |
| 1621 | |
| 1622 | setimes = targisdir = 0; |
| 1623 | mask = umask(0); |
| 1624 | if (!pflag) |
| 1625 | (void) umask(mask); |
| 1626 | if (argc != 1) { |
| 1627 | run_err("ambiguous target"); |
| 1628 | exit(1); |
| 1629 | } |
| 1630 | targ = *argv; |
| 1631 | if (targetshouldbedirectory) |
| 1632 | verifydir(targ); |
| 1633 | |
| 1634 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
| 1635 | if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)((stb.st_mode & 0170000) == 0040000)) |
| 1636 | targisdir = 1; |
| 1637 | if (src != NULL((void *)0) && !iamrecursive && !Tflag) { |
| 1638 | /* |
| 1639 | * Prepare to try to restrict incoming filenames to match |
| 1640 | * the requested destination file glob. |
| 1641 | */ |
| 1642 | if (brace_expand(src, &patterns, &npatterns) != 0) |
| 1643 | fatal_f("could not expand pattern")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1643, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "could not expand pattern" ); |
| 1644 | } |
| 1645 | for (first = 1;; first = 0) { |
| 1646 | cp = buf; |
| 1647 | if (atomicio(read, remin, cp, 1) != 1) |
| 1648 | goto done; |
| 1649 | if (*cp++ == '\n') |
| 1650 | SCREWUP("unexpected <newline>"){ why = "unexpected <newline>"; goto screwup; }; |
| 1651 | do { |
| 1652 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
| 1653 | SCREWUP("lost connection"){ why = "lost connection"; goto screwup; }; |
| 1654 | *cp++ = ch; |
| 1655 | } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); |
| 1656 | *cp = 0; |
| 1657 | if (verbose_mode) |
| 1658 | fmprintf(stderr(&__sF[2]), "Sink: %s", buf); |
| 1659 | |
| 1660 | if (buf[0] == '\01' || buf[0] == '\02') { |
| 1661 | if (iamremote == 0) { |
| 1662 | (void) snmprintf(visbuf, sizeof(visbuf), |
| 1663 | NULL((void *)0), "%s", buf + 1); |
| 1664 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, STDERR_FILENO2, |
| 1665 | visbuf, strlen(visbuf)); |
| 1666 | } |
| 1667 | if (buf[0] == '\02') |
| 1668 | exit(1); |
| 1669 | ++errs; |
| 1670 | continue; |
| 1671 | } |
| 1672 | if (buf[0] == 'E') { |
| 1673 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
| 1674 | goto done; |
| 1675 | } |
| 1676 | if (ch == '\n') |
| 1677 | *--cp = 0; |
| 1678 | |
| 1679 | cp = buf; |
| 1680 | if (*cp == 'T') { |
| 1681 | setimes++; |
| 1682 | cp++; |
| 1683 | if (!isdigit((unsigned char)*cp)) |
| 1684 | SCREWUP("mtime.sec not present"){ why = "mtime.sec not present"; goto screwup; }; |
| 1685 | ull = strtoull(cp, &cp, 10); |
| 1686 | if (!cp || *cp++ != ' ') |
| 1687 | SCREWUP("mtime.sec not delimited"){ why = "mtime.sec not delimited"; goto screwup; }; |
| 1688 | if (TYPE_OVERFLOW(time_t, ull)((sizeof(time_t) == 4 && (ull) > 0x7fffffff) || (sizeof (time_t) == 8 && (ull) > 0x7fffffffffffffffLL) || ( sizeof(time_t) != 4 && sizeof(time_t) != 8))) |
| 1689 | setimes = 0; /* out of range */ |
| 1690 | mtimetv[1].tv_sec = ull; |
| 1691 | mtimetv[1].tv_usec = strtol(cp, &cp, 10); |
| 1692 | if (!cp || *cp++ != ' ' || mtimetv[1].tv_usec < 0 || |
| 1693 | mtimetv[1].tv_usec > 999999) |
| 1694 | SCREWUP("mtime.usec not delimited"){ why = "mtime.usec not delimited"; goto screwup; }; |
| 1695 | if (!isdigit((unsigned char)*cp)) |
| 1696 | SCREWUP("atime.sec not present"){ why = "atime.sec not present"; goto screwup; }; |
| 1697 | ull = strtoull(cp, &cp, 10); |
| 1698 | if (!cp || *cp++ != ' ') |
| 1699 | SCREWUP("atime.sec not delimited"){ why = "atime.sec not delimited"; goto screwup; }; |
| 1700 | if (TYPE_OVERFLOW(time_t, ull)((sizeof(time_t) == 4 && (ull) > 0x7fffffff) || (sizeof (time_t) == 8 && (ull) > 0x7fffffffffffffffLL) || ( sizeof(time_t) != 4 && sizeof(time_t) != 8))) |
| 1701 | setimes = 0; /* out of range */ |
| 1702 | atimetv[0].tv_sec = ull; |
| 1703 | atimetv[0].tv_usec = strtol(cp, &cp, 10); |
| 1704 | if (!cp || *cp++ != '\0' || atimetv[0].tv_usec < 0 || |
| 1705 | atimetv[0].tv_usec > 999999) |
| 1706 | SCREWUP("atime.usec not delimited"){ why = "atime.usec not delimited"; goto screwup; }; |
| 1707 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
| 1708 | continue; |
| 1709 | } |
| 1710 | if (*cp != 'C' && *cp != 'D') { |
| 1711 | /* |
| 1712 | * Check for the case "rcp remote:foo\* local:bar". |
| 1713 | * In this case, the line "No match." can be returned |
| 1714 | * by the shell before the rcp command on the remote is |
| 1715 | * executed so the ^Aerror_message convention isn't |
| 1716 | * followed. |
| 1717 | */ |
| 1718 | if (first) { |
| 1719 | run_err("%s", cp); |
| 1720 | exit(1); |
| 1721 | } |
| 1722 | SCREWUP("expected control record"){ why = "expected control record"; goto screwup; }; |
| 1723 | } |
| 1724 | mode = 0; |
| 1725 | for (++cp; cp < buf + 5; cp++) { |
| 1726 | if (*cp < '0' || *cp > '7') |
| 1727 | SCREWUP("bad mode"){ why = "bad mode"; goto screwup; }; |
| 1728 | mode = (mode << 3) | (*cp - '0'); |
| 1729 | } |
| 1730 | if (!pflag) |
| 1731 | mode &= ~mask; |
| 1732 | if (*cp++ != ' ') |
| 1733 | SCREWUP("mode not delimited"){ why = "mode not delimited"; goto screwup; }; |
| 1734 | |
| 1735 | if (!isdigit((unsigned char)*cp)) |
| 1736 | SCREWUP("size not present"){ why = "size not present"; goto screwup; }; |
| 1737 | ull = strtoull(cp, &cp, 10); |
| 1738 | if (!cp || *cp++ != ' ') |
| 1739 | SCREWUP("size not delimited"){ why = "size not delimited"; goto screwup; }; |
| 1740 | if (TYPE_OVERFLOW(off_t, ull)((sizeof(off_t) == 4 && (ull) > 0x7fffffff) || (sizeof (off_t) == 8 && (ull) > 0x7fffffffffffffffLL) || ( sizeof(off_t) != 4 && sizeof(off_t) != 8))) |
| 1741 | SCREWUP("size out of range"){ why = "size out of range"; goto screwup; }; |
| 1742 | size = (off_t)ull; |
| 1743 | |
| 1744 | if (*cp == '\0' || strchr(cp, '/') != NULL((void *)0) || |
| 1745 | strcmp(cp, ".") == 0 || strcmp(cp, "..") == 0) { |
| 1746 | run_err("error: unexpected filename: %s", cp); |
| 1747 | exit(1); |
| 1748 | } |
| 1749 | if (npatterns > 0) { |
| 1750 | for (n = 0; n < npatterns; n++) { |
| 1751 | if (strcmp(patterns[n], cp) == 0 || |
| 1752 | fnmatch(patterns[n], cp, 0) == 0) |
| 1753 | break; |
| 1754 | } |
| 1755 | if (n >= npatterns) { |
| 1756 | debug2_f("incoming filename \"%s\" does not "sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1758, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "incoming filename \"%s\" does not " "match any of %zu expected patterns", cp, npatterns) |
| 1757 | "match any of %zu expected patterns", cp,sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1758, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "incoming filename \"%s\" does not " "match any of %zu expected patterns", cp, npatterns) |
| 1758 | npatterns)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1758, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "incoming filename \"%s\" does not " "match any of %zu expected patterns", cp, npatterns); |
| 1759 | for (n = 0; n < npatterns; n++) { |
| 1760 | debug3_f("expected pattern %zu: \"%s\"",sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1761, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "expected pattern %zu: \"%s\"" , n, patterns[n]) |
| 1761 | n, patterns[n])sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1761, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "expected pattern %zu: \"%s\"" , n, patterns[n]); |
| 1762 | } |
| 1763 | SCREWUP("filename does not match request"){ why = "filename does not match request"; goto screwup; }; |
| 1764 | } |
| 1765 | } |
| 1766 | if (targisdir) { |
| 1767 | static char *namebuf; |
| 1768 | static size_t cursize; |
| 1769 | size_t need; |
| 1770 | |
| 1771 | need = strlen(targ) + strlen(cp) + 250; |
| 1772 | if (need > cursize) { |
| 1773 | free(namebuf); |
| 1774 | namebuf = xmalloc(need); |
| 1775 | cursize = need; |
| 1776 | } |
| 1777 | (void) snprintf(namebuf, need, "%s%s%s", targ, |
| 1778 | strcmp(targ, "/") ? "/" : "", cp); |
| 1779 | np = namebuf; |
| 1780 | } else |
| 1781 | np = targ; |
| 1782 | curfile = cp; |
| 1783 | exists = stat(np, &stb) == 0; |
| 1784 | if (buf[0] == 'D') { |
| 1785 | int mod_flag = pflag; |
| 1786 | if (!iamrecursive) |
| 1787 | SCREWUP("received directory without -r"){ why = "received directory without -r"; goto screwup; }; |
| 1788 | if (exists) { |
| 1789 | if (!S_ISDIR(stb.st_mode)((stb.st_mode & 0170000) == 0040000)) { |
| 1790 | errno(*__errno()) = ENOTDIR20; |
| 1791 | goto bad; |
| 1792 | } |
| 1793 | if (pflag) |
| 1794 | (void) chmod(np, mode); |
| 1795 | } else { |
| 1796 | /* Handle copying from a read-only directory */ |
| 1797 | mod_flag = 1; |
| 1798 | if (mkdir(np, mode | S_IRWXU0000700) == -1) |
| 1799 | goto bad; |
| 1800 | } |
| 1801 | vect[0] = xstrdup(np); |
| 1802 | sink(1, vect, src); |
| 1803 | if (setimes) { |
| 1804 | setimes = 0; |
| 1805 | (void) utimes(vect[0], tv); |
| 1806 | } |
| 1807 | if (mod_flag) |
| 1808 | (void) chmod(vect[0], mode); |
| 1809 | free(vect[0]); |
| 1810 | continue; |
| 1811 | } |
| 1812 | omode = mode; |
| 1813 | mode |= S_IWUSR0000200; |
| 1814 | if ((ofd = open(np, O_WRONLY0x0001|O_CREAT0x0200, mode)) == -1) { |
| 1815 | bad: run_err("%s: %s", np, strerror(errno(*__errno()))); |
| 1816 | continue; |
| 1817 | } |
| 1818 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
| 1819 | if ((bp = allocbuf(&buffer, ofd, COPY_BUFLEN16384)) == NULL((void *)0)) { |
| 1820 | (void) close(ofd); |
| 1821 | continue; |
| 1822 | } |
| 1823 | cp = bp->buf; |
| 1824 | wrerr = 0; |
| 1825 | |
| 1826 | /* |
| 1827 | * NB. do not use run_err() unless immediately followed by |
| 1828 | * exit() below as it may send a spurious reply that might |
| 1829 | * desyncronise us from the peer. Use note_err() instead. |
| 1830 | */ |
| 1831 | statbytes = 0; |
| 1832 | if (showprogress) |
| 1833 | start_progress_meter(curfile, size, &statbytes); |
| 1834 | set_nonblock(remin); |
| 1835 | for (count = i = 0; i < size; i += bp->cnt) { |
| 1836 | amt = bp->cnt; |
| 1837 | if (i + amt > size) |
| 1838 | amt = size - i; |
| 1839 | count += amt; |
| 1840 | do { |
| 1841 | j = atomicio6(read, remin, cp, amt, |
| 1842 | scpio, &statbytes); |
| 1843 | if (j == 0) { |
| 1844 | run_err("%s", j != EPIPE32 ? |
| 1845 | strerror(errno(*__errno())) : |
| 1846 | "dropped connection"); |
| 1847 | exit(1); |
| 1848 | } |
| 1849 | amt -= j; |
| 1850 | cp += j; |
| 1851 | } while (amt > 0); |
| 1852 | |
| 1853 | if (count == bp->cnt) { |
| 1854 | /* Keep reading so we stay sync'd up. */ |
| 1855 | if (!wrerr) { |
| 1856 | if (atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, ofd, bp->buf, |
| 1857 | count) != count) { |
| 1858 | note_err("%s: %s", np, |
| 1859 | strerror(errno(*__errno()))); |
| 1860 | wrerr = 1; |
| 1861 | } |
| 1862 | } |
| 1863 | count = 0; |
| 1864 | cp = bp->buf; |
| 1865 | } |
| 1866 | } |
| 1867 | unset_nonblock(remin); |
| 1868 | if (count != 0 && !wrerr && |
| 1869 | atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, ofd, bp->buf, count) != count) { |
| 1870 | note_err("%s: %s", np, strerror(errno(*__errno()))); |
| 1871 | wrerr = 1; |
| 1872 | } |
| 1873 | if (!wrerr && (!exists || S_ISREG(stb.st_mode)((stb.st_mode & 0170000) == 0100000)) && |
| 1874 | ftruncate(ofd, size) != 0) |
| 1875 | note_err("%s: truncate: %s", np, strerror(errno(*__errno()))); |
| 1876 | if (pflag) { |
| 1877 | if (exists || omode != mode) |
| 1878 | if (fchmod(ofd, omode)) { |
| 1879 | note_err("%s: set mode: %s", |
| 1880 | np, strerror(errno(*__errno()))); |
| 1881 | } |
| 1882 | } else { |
| 1883 | if (!exists && omode != mode) |
| 1884 | if (fchmod(ofd, omode & ~mask)) { |
| 1885 | note_err("%s: set mode: %s", |
| 1886 | np, strerror(errno(*__errno()))); |
| 1887 | } |
| 1888 | } |
| 1889 | if (close(ofd) == -1) |
| 1890 | note_err("%s: close: %s", np, strerror(errno(*__errno()))); |
| 1891 | (void) response(); |
| 1892 | if (showprogress) |
| 1893 | stop_progress_meter(); |
| 1894 | if (setimes && !wrerr) { |
| 1895 | setimes = 0; |
| 1896 | if (utimes(np, tv) == -1) { |
| 1897 | note_err("%s: set times: %s", |
| 1898 | np, strerror(errno(*__errno()))); |
| 1899 | } |
| 1900 | } |
| 1901 | /* If no error was noted then signal success for this file */ |
| 1902 | if (note_err(NULL((void *)0)) == 0) |
| 1903 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
| 1904 | } |
| 1905 | done: |
| 1906 | for (n = 0; n < npatterns; n++) |
| 1907 | free(patterns[n]); |
| 1908 | free(patterns); |
| 1909 | return; |
| 1910 | screwup: |
| 1911 | for (n = 0; n < npatterns; n++) |
| 1912 | free(patterns[n]); |
| 1913 | free(patterns); |
| 1914 | run_err("protocol error: %s", why); |
| 1915 | exit(1); |
| 1916 | } |
| 1917 | |
| 1918 | void |
| 1919 | throughlocal_sftp(struct sftp_conn *from, struct sftp_conn *to, |
| 1920 | char *src, char *targ) |
| 1921 | { |
| 1922 | char *target = NULL((void *)0), *filename = NULL((void *)0), *abs_dst = NULL((void *)0); |
| 1923 | char *abs_src = NULL((void *)0), *tmp = NULL((void *)0); |
| 1924 | glob_t g; |
| 1925 | int i, r, targetisdir, err = 0; |
| 1926 | |
| 1927 | if ((filename = basename(src)) == NULL((void *)0)) |
Although the value stored to 'filename' is used in the enclosing expression, the value is never actually read from 'filename' | |
| 1928 | fatal("basename %s: %s", src, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1928, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "basename %s: %s", src, strerror ((*__errno()))); |
| 1929 | |
| 1930 | if ((abs_src = prepare_remote_path(from, src)) == NULL((void *)0) || |
| 1931 | (target = prepare_remote_path(to, targ)) == NULL((void *)0)) |
| 1932 | cleanup_exit(255); |
| 1933 | memset(&g, 0, sizeof(g)); |
| 1934 | |
| 1935 | targetisdir = sftp_remote_is_dir(to, target); |
| 1936 | if (!targetisdir && targetshouldbedirectory) { |
| 1937 | error("%s: destination is not a directory", targ)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1937, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: destination is not a directory" , targ); |
| 1938 | err = -1; |
| 1939 | goto out; |
| 1940 | } |
| 1941 | |
| 1942 | debug3_f("copying remote %s to remote %s", abs_src, target)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1942, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "copying remote %s to remote %s" , abs_src, target); |
| 1943 | if ((r = sftp_glob(from, abs_src, GLOB_NOCHECK0x0010|GLOB_MARK0x0008, |
| 1944 | NULL((void *)0), &g)) != 0) { |
| 1945 | if (r == GLOB_NOSPACE(-1)) |
| 1946 | error("%s: too many glob matches", src)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1946, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: too many glob matches" , src); |
| 1947 | else |
| 1948 | error("%s: %s", src, strerror(ENOENT))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1948, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: %s", src, strerror(2) ); |
| 1949 | err = -1; |
| 1950 | goto out; |
| 1951 | } |
| 1952 | |
| 1953 | /* Did we actually get any matches back from the glob? */ |
| 1954 | if (g.gl_matchc == 0 && g.gl_pathc == 1 && g.gl_pathv[0] != 0) { |
| 1955 | /* |
| 1956 | * If nothing matched but a path returned, then it's probably |
| 1957 | * a GLOB_NOCHECK result. Check whether the unglobbed path |
| 1958 | * exists so we can give a nice error message early. |
| 1959 | */ |
| 1960 | if (sftp_stat(from, g.gl_pathv[0], 1, NULL((void *)0)) != 0) { |
| 1961 | error("%s: %s", src, strerror(ENOENT))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1961, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: %s", src, strerror(2) ); |
| 1962 | err = -1; |
| 1963 | goto out; |
| 1964 | } |
| 1965 | } |
| 1966 | |
| 1967 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
| 1968 | tmp = xstrdup(g.gl_pathv[i]); |
| 1969 | if ((filename = basename(tmp)) == NULL((void *)0)) { |
| 1970 | error("basename %s: %s", tmp, strerror(errno))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1970, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "basename %s: %s", tmp, strerror ((*__errno()))); |
| 1971 | err = -1; |
| 1972 | goto out; |
| 1973 | } |
| 1974 | |
| 1975 | if (targetisdir) |
| 1976 | abs_dst = sftp_path_append(target, filename); |
| 1977 | else |
| 1978 | abs_dst = xstrdup(target); |
| 1979 | |
| 1980 | debug("Fetching %s to %s\n", g.gl_pathv[i], abs_dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1980, 0 , SYSLOG_LEVEL_DEBUG1, ((void *)0), "Fetching %s to %s\n", g. gl_pathv[i], abs_dst); |
| 1981 | if (sftp_globpath_is_dir(g.gl_pathv[i]) && iamrecursive) { |
| 1982 | if (sftp_crossload_dir(from, to, g.gl_pathv[i], abs_dst, |
| 1983 | NULL((void *)0), pflag, SFTP_PROGRESS_ONLY2, 1) == -1) |
| 1984 | err = -1; |
| 1985 | } else { |
| 1986 | if (sftp_crossload(from, to, g.gl_pathv[i], abs_dst, |
| 1987 | NULL((void *)0), pflag) == -1) |
| 1988 | err = -1; |
| 1989 | } |
| 1990 | free(abs_dst); |
| 1991 | abs_dst = NULL((void *)0); |
| 1992 | free(tmp); |
| 1993 | tmp = NULL((void *)0); |
| 1994 | } |
| 1995 | |
| 1996 | out: |
| 1997 | free(abs_src); |
| 1998 | free(abs_dst); |
| 1999 | free(target); |
| 2000 | free(tmp); |
| 2001 | globfree(&g); |
| 2002 | if (err == -1) |
| 2003 | errs = 1; |
| 2004 | } |
| 2005 | |
| 2006 | int |
| 2007 | response(void) |
| 2008 | { |
| 2009 | char ch, *cp, resp, rbuf[2048], visbuf[2048]; |
| 2010 | |
| 2011 | if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) |
| 2012 | lostconn(0); |
| 2013 | |
| 2014 | cp = rbuf; |
| 2015 | switch (resp) { |
| 2016 | case 0: /* ok */ |
| 2017 | return (0); |
| 2018 | default: |
| 2019 | *cp++ = resp; |
| 2020 | /* FALLTHROUGH */ |
| 2021 | case 1: /* error, followed by error msg */ |
| 2022 | case 2: /* fatal error, "" */ |
| 2023 | do { |
| 2024 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
| 2025 | lostconn(0); |
| 2026 | *cp++ = ch; |
| 2027 | } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); |
| 2028 | |
| 2029 | if (!iamremote) { |
| 2030 | cp[-1] = '\0'; |
| 2031 | (void) snmprintf(visbuf, sizeof(visbuf), |
| 2032 | NULL((void *)0), "%s\n", rbuf); |
| 2033 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, STDERR_FILENO2, |
| 2034 | visbuf, strlen(visbuf)); |
| 2035 | } |
| 2036 | ++errs; |
| 2037 | if (resp == 1) |
| 2038 | return (-1); |
| 2039 | exit(1); |
| 2040 | } |
| 2041 | /* NOTREACHED */ |
| 2042 | } |
| 2043 | |
| 2044 | void |
| 2045 | usage(void) |
| 2046 | { |
| 2047 | (void) fprintf(stderr(&__sF[2]), |
| 2048 | "usage: scp [-346ABCOpqRrsTv] [-c cipher] [-D sftp_server_path] [-F ssh_config]\n" |
| 2049 | " [-i identity_file] [-J destination] [-l limit] [-o ssh_option]\n" |
| 2050 | " [-P port] [-S program] [-X sftp_option] source ... target\n"); |
| 2051 | exit(1); |
| 2052 | } |
| 2053 | |
| 2054 | void |
| 2055 | run_err(const char *fmt,...) |
| 2056 | { |
| 2057 | static FILE *fp; |
| 2058 | va_list ap; |
| 2059 | |
| 2060 | ++errs; |
| 2061 | if (fp != NULL((void *)0) || (remout != -1 && (fp = fdopen(remout, "w")))) { |
| 2062 | (void) fprintf(fp, "%c", 0x01); |
| 2063 | (void) fprintf(fp, "scp: "); |
| 2064 | va_start(ap, fmt)__builtin_va_start((ap), fmt); |
| 2065 | (void) vfprintf(fp, fmt, ap); |
| 2066 | va_end(ap)__builtin_va_end((ap)); |
| 2067 | (void) fprintf(fp, "\n"); |
| 2068 | (void) fflush(fp); |
| 2069 | } |
| 2070 | |
| 2071 | if (!iamremote) { |
| 2072 | va_start(ap, fmt)__builtin_va_start((ap), fmt); |
| 2073 | vfmprintf(stderr(&__sF[2]), fmt, ap); |
| 2074 | va_end(ap)__builtin_va_end((ap)); |
| 2075 | fprintf(stderr(&__sF[2]), "\n"); |
| 2076 | } |
| 2077 | } |
| 2078 | |
| 2079 | /* |
| 2080 | * Notes a sink error for sending at the end of a file transfer. Returns 0 if |
| 2081 | * no error has been noted or -1 otherwise. Use note_err(NULL) to flush |
| 2082 | * any active error at the end of the transfer. |
| 2083 | */ |
| 2084 | int |
| 2085 | note_err(const char *fmt, ...) |
| 2086 | { |
| 2087 | static char *emsg; |
| 2088 | va_list ap; |
| 2089 | |
| 2090 | /* Replay any previously-noted error */ |
| 2091 | if (fmt == NULL((void *)0)) { |
| 2092 | if (emsg == NULL((void *)0)) |
| 2093 | return 0; |
| 2094 | run_err("%s", emsg); |
| 2095 | free(emsg); |
| 2096 | emsg = NULL((void *)0); |
| 2097 | return -1; |
| 2098 | } |
| 2099 | |
| 2100 | errs++; |
| 2101 | /* Prefer first-noted error */ |
| 2102 | if (emsg != NULL((void *)0)) |
| 2103 | return -1; |
| 2104 | |
| 2105 | va_start(ap, fmt)__builtin_va_start((ap), fmt); |
| 2106 | vasnmprintf(&emsg, INT_MAX0x7fffffff, NULL((void *)0), fmt, ap); |
| 2107 | va_end(ap)__builtin_va_end((ap)); |
| 2108 | return -1; |
| 2109 | } |
| 2110 | |
| 2111 | void |
| 2112 | verifydir(char *cp) |
| 2113 | { |
| 2114 | struct stat stb; |
| 2115 | |
| 2116 | if (!stat(cp, &stb)) { |
| 2117 | if (S_ISDIR(stb.st_mode)((stb.st_mode & 0170000) == 0040000)) |
| 2118 | return; |
| 2119 | errno(*__errno()) = ENOTDIR20; |
| 2120 | } |
| 2121 | run_err("%s: %s", cp, strerror(errno(*__errno()))); |
| 2122 | killchild(0); |
| 2123 | } |
| 2124 | |
| 2125 | int |
| 2126 | okname(char *cp0) |
| 2127 | { |
| 2128 | int c; |
| 2129 | char *cp; |
| 2130 | |
| 2131 | cp = cp0; |
| 2132 | do { |
| 2133 | c = (int)*cp; |
| 2134 | if (c & 0200) |
| 2135 | goto bad; |
| 2136 | if (!isalpha(c) && !isdigit((unsigned char)c)) { |
| 2137 | switch (c) { |
| 2138 | case '\'': |
| 2139 | case '"': |
| 2140 | case '`': |
| 2141 | case ' ': |
| 2142 | case '#': |
| 2143 | goto bad; |
| 2144 | default: |
| 2145 | break; |
| 2146 | } |
| 2147 | } |
| 2148 | } while (*++cp); |
| 2149 | return (1); |
| 2150 | |
| 2151 | bad: fmprintf(stderr(&__sF[2]), "%s: invalid user name\n", cp0); |
| 2152 | return (0); |
| 2153 | } |
| 2154 | |
| 2155 | BUF * |
| 2156 | allocbuf(BUF *bp, int fd, int blksize) |
| 2157 | { |
| 2158 | size_t size; |
| 2159 | struct stat stb; |
| 2160 | |
| 2161 | if (fstat(fd, &stb) == -1) { |
| 2162 | run_err("fstat: %s", strerror(errno(*__errno()))); |
| 2163 | return (0); |
| 2164 | } |
| 2165 | size = ROUNDUP(stb.st_blksize, blksize)((((stb.st_blksize)+((blksize)-1))/(blksize))*(blksize)); |
| 2166 | if (size == 0) |
| 2167 | size = blksize; |
| 2168 | if (bp->cnt >= size) |
| 2169 | return (bp); |
| 2170 | bp->buf = xrecallocarray(bp->buf, bp->cnt, size, 1); |
| 2171 | bp->cnt = size; |
| 2172 | return (bp); |
| 2173 | } |
| 2174 | |
| 2175 | void |
| 2176 | lostconn(int signo) |
| 2177 | { |
| 2178 | if (!iamremote) |
| 2179 | (void)write(STDERR_FILENO2, "lost connection\n", 16); |
| 2180 | if (signo) |
| 2181 | _exit(1); |
| 2182 | else |
| 2183 | exit(1); |
| 2184 | } |
| 2185 | |
| 2186 | void |
| 2187 | cleanup_exit(int i) |
| 2188 | { |
| 2189 | if (remin > 0) |
| 2190 | close(remin); |
| 2191 | if (remout > 0) |
| 2192 | close(remout); |
| 2193 | if (remin2 > 0) |
| 2194 | close(remin2); |
| 2195 | if (remout2 > 0) |
| 2196 | close(remout2); |
| 2197 | if (do_cmd_pid > 0) |
| 2198 | (void)waitpid(do_cmd_pid, NULL((void *)0), 0); |
| 2199 | if (do_cmd_pid2 > 0) |
| 2200 | (void)waitpid(do_cmd_pid2, NULL((void *)0), 0); |
| 2201 | exit(i); |
| 2202 | } |