Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1 | /* |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 2 | * scp - secure remote copy. This is basically patched BSD rcp which |
| 3 | * uses ssh to do the data transfer (instead of using rcmd). |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 4 | * |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 5 | * NOTE: This version should NOT be suid root. (This uses ssh to |
| 6 | * do the transfer and ssh has the necessary privileges.) |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 7 | * |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 8 | * 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi> |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 9 | * |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 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 | /* |
Ben Lindstrom | 92a2e38 | 2001-03-05 06:59:27 +0000 | [diff] [blame] | 17 | * Copyright (c) 1999 Theo de Raadt. All rights reserved. |
| 18 | * Copyright (c) 1999 Aaron Campbell. All rights reserved. |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 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 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 40 | |
| 41 | /* |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 42 | * Parts from: |
| 43 | * |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 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. |
Damien Miller | dafb12e | 2003-06-03 13:06:18 +1000 | [diff] [blame] | 55 | * 3. Neither the name of the University nor the names of its contributors |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 56 | * may be used to endorse or promote products derived from this software |
| 57 | * without specific prior written permission. |
| 58 | * |
| 59 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 60 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 61 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 62 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 63 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 64 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 65 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 66 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 67 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 68 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 69 | * SUCH DAMAGE. |
| 70 | * |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 71 | */ |
| 72 | |
| 73 | #include "includes.h" |
Damien Miller | dafb12e | 2003-06-03 13:06:18 +1000 | [diff] [blame] | 74 | RCSID("$OpenBSD: scp.c,v 1.103 2003/06/03 02:56:16 millert Exp $"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 75 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 76 | #include "xmalloc.h" |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 77 | #include "atomicio.h" |
| 78 | #include "pathnames.h" |
| 79 | #include "log.h" |
Kevin Steves | 93c17d9 | 2001-02-18 03:55:16 +0000 | [diff] [blame] | 80 | #include "misc.h" |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 81 | #include "progressmeter.h" |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 82 | |
Ben Lindstrom | 49a79c0 | 2000-11-17 03:47:20 +0000 | [diff] [blame] | 83 | #ifdef HAVE___PROGNAME |
| 84 | extern char *__progname; |
| 85 | #else |
| 86 | char *__progname; |
| 87 | #endif |
| 88 | |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 89 | void bwlimit(int); |
| 90 | |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 91 | /* Struct for addargs */ |
| 92 | arglist args; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 93 | |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 94 | /* Bandwidth limit */ |
Ben Lindstrom | d54d938 | 2003-03-21 00:55:32 +0000 | [diff] [blame] | 95 | off_t limitbw = 0; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 96 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 97 | /* Name of current file being transferred. */ |
| 98 | char *curfile; |
| 99 | |
| 100 | /* This is set to non-zero to enable verbose mode. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 101 | int verbose_mode = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 102 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 103 | /* This is set to zero if the progressmeter is not desired. */ |
| 104 | int showprogress = 1; |
| 105 | |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 106 | /* This is the program to execute for the secured connection. ("ssh" or -S) */ |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 107 | char *ssh_program = _PATH_SSH_PROGRAM; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 108 | |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 109 | /* This is used to store the pid of ssh_program */ |
| 110 | pid_t do_cmd_pid; |
| 111 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 112 | /* |
| 113 | * This function executes the given command as the specified user on the |
| 114 | * given host. This returns < 0 if execution fails, and >= 0 otherwise. This |
| 115 | * assigns the input and output file descriptors on success. |
| 116 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 117 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 118 | int |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 119 | do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 120 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 121 | int pin[2], pout[2], reserved[2]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 122 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 123 | if (verbose_mode) |
Ben Lindstrom | 2772a3f | 2001-08-06 21:17:12 +0000 | [diff] [blame] | 124 | fprintf(stderr, |
| 125 | "Executing: program %s host %s, user %s, command %s\n", |
| 126 | ssh_program, host, |
| 127 | remuser ? remuser : "(unspecified)", cmd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 128 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 129 | /* |
| 130 | * Reserve two descriptors so that the real pipes won't get |
| 131 | * descriptors 0 and 1 because that will screw up dup2 below. |
| 132 | */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 133 | pipe(reserved); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 134 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 135 | /* Create a socket pair for communicating with ssh. */ |
| 136 | if (pipe(pin) < 0) |
| 137 | fatal("pipe: %s", strerror(errno)); |
| 138 | if (pipe(pout) < 0) |
| 139 | fatal("pipe: %s", strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 140 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 141 | /* Free the reserved descriptors. */ |
| 142 | close(reserved[0]); |
| 143 | close(reserved[1]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 144 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 145 | /* For a child to execute the command on the remote host using ssh. */ |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 146 | do_cmd_pid = fork(); |
| 147 | if (do_cmd_pid == 0) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 148 | /* Child. */ |
| 149 | close(pin[1]); |
| 150 | close(pout[0]); |
| 151 | dup2(pin[0], 0); |
| 152 | dup2(pout[1], 1); |
| 153 | close(pin[0]); |
| 154 | close(pout[1]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 155 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 156 | args.list[0] = ssh_program; |
| 157 | if (remuser != NULL) |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 158 | addargs(&args, "-l%s", remuser); |
| 159 | addargs(&args, "%s", host); |
| 160 | addargs(&args, "%s", cmd); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 161 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 162 | execvp(ssh_program, args.list); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 163 | perror(ssh_program); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 164 | exit(1); |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 165 | } else if (do_cmd_pid == -1) { |
| 166 | fatal("fork: %s", strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 167 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 168 | /* Parent. Close the other side, and return the local side. */ |
| 169 | close(pin[0]); |
| 170 | *fdout = pin[1]; |
| 171 | close(pout[1]); |
| 172 | *fdin = pout[0]; |
| 173 | return 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 174 | } |
| 175 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 176 | typedef struct { |
| 177 | int cnt; |
| 178 | char *buf; |
| 179 | } BUF; |
| 180 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 181 | BUF *allocbuf(BUF *, int, int); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 182 | void lostconn(int); |
| 183 | void nospace(void); |
| 184 | int okname(char *); |
| 185 | void run_err(const char *,...); |
| 186 | void verifydir(char *); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 187 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 188 | struct passwd *pwd; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 189 | uid_t userid; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 190 | int errs, remin, remout; |
| 191 | int pflag, iamremote, iamrecursive, targetshouldbedirectory; |
| 192 | |
| 193 | #define CMDNEEDS 64 |
| 194 | char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ |
| 195 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 196 | int response(void); |
| 197 | void rsource(char *, struct stat *); |
| 198 | void sink(int, char *[]); |
| 199 | void source(int, char *[]); |
| 200 | void tolocal(int, char *[]); |
| 201 | void toremote(char *, int, char *[]); |
| 202 | void usage(void); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 203 | |
| 204 | int |
| 205 | main(argc, argv) |
| 206 | int argc; |
| 207 | char *argv[]; |
| 208 | { |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 209 | int ch, fflag, tflag, status; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 210 | double speed; |
| 211 | char *targ, *endp; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 212 | extern char *optarg; |
| 213 | extern int optind; |
| 214 | |
Ben Lindstrom | 49a79c0 | 2000-11-17 03:47:20 +0000 | [diff] [blame] | 215 | __progname = get_progname(argv[0]); |
| 216 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 217 | args.list = NULL; |
Ben Lindstrom | cb72e4f | 2002-06-21 00:41:51 +0000 | [diff] [blame] | 218 | addargs(&args, "ssh"); /* overwritten with ssh_program */ |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 219 | addargs(&args, "-x"); |
Ben Lindstrom | 4213c55 | 2001-09-12 18:45:09 +0000 | [diff] [blame] | 220 | addargs(&args, "-oForwardAgent no"); |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 221 | addargs(&args, "-oClearAllForwardings yes"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 222 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 223 | fflag = tflag = 0; |
Damien Miller | 8e12147 | 2003-01-24 11:37:38 +1100 | [diff] [blame] | 224 | while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246S:o:F:")) != -1) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 225 | switch (ch) { |
| 226 | /* User-visible flags. */ |
Damien Miller | 8e12147 | 2003-01-24 11:37:38 +1100 | [diff] [blame] | 227 | case '1': |
| 228 | case '2': |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 229 | case '4': |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 230 | case '6': |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 231 | case 'C': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 232 | addargs(&args, "-%c", ch); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 233 | break; |
| 234 | case 'o': |
| 235 | case 'c': |
| 236 | case 'i': |
Ben Lindstrom | 1e24324 | 2001-09-18 05:38:44 +0000 | [diff] [blame] | 237 | case 'F': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 238 | addargs(&args, "-%c%s", ch, optarg); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 239 | break; |
| 240 | case 'P': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 241 | addargs(&args, "-p%s", optarg); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 242 | break; |
| 243 | case 'B': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 244 | addargs(&args, "-oBatchmode yes"); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 245 | break; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 246 | case 'l': |
| 247 | speed = strtod(optarg, &endp); |
| 248 | if (speed <= 0 || *endp != '\0') |
| 249 | usage(); |
Ben Lindstrom | d54d938 | 2003-03-21 00:55:32 +0000 | [diff] [blame] | 250 | limitbw = speed * 1024; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 251 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 252 | case 'p': |
| 253 | pflag = 1; |
| 254 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 255 | case 'r': |
| 256 | iamrecursive = 1; |
| 257 | break; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 258 | case 'S': |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 259 | ssh_program = xstrdup(optarg); |
| 260 | break; |
| 261 | case 'v': |
Ben Lindstrom | 9cc9464 | 2001-06-09 01:15:11 +0000 | [diff] [blame] | 262 | addargs(&args, "-v"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 263 | verbose_mode = 1; |
| 264 | break; |
| 265 | case 'q': |
| 266 | showprogress = 0; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 267 | break; |
| 268 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 269 | /* Server options. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 270 | case 'd': |
| 271 | targetshouldbedirectory = 1; |
| 272 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 273 | case 'f': /* "from" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 274 | iamremote = 1; |
| 275 | fflag = 1; |
| 276 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 277 | case 't': /* "to" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 278 | iamremote = 1; |
| 279 | tflag = 1; |
Damien Miller | 402b331 | 2001-04-14 00:28:42 +1000 | [diff] [blame] | 280 | #ifdef HAVE_CYGWIN |
| 281 | setmode(0, O_BINARY); |
| 282 | #endif |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 283 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 284 | default: |
| 285 | usage(); |
| 286 | } |
| 287 | argc -= optind; |
| 288 | argv += optind; |
| 289 | |
| 290 | if ((pwd = getpwuid(userid = getuid())) == NULL) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 291 | fatal("unknown user %d", (int) userid); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 292 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 293 | if (!isatty(STDERR_FILENO)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 294 | showprogress = 0; |
| 295 | |
| 296 | remin = STDIN_FILENO; |
| 297 | remout = STDOUT_FILENO; |
| 298 | |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 299 | if (fflag) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 300 | /* Follow "protocol", send data. */ |
| 301 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 302 | source(argc, argv); |
| 303 | exit(errs != 0); |
| 304 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 305 | if (tflag) { |
| 306 | /* Receive data. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 307 | sink(argc, argv); |
| 308 | exit(errs != 0); |
| 309 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 310 | if (argc < 2) |
| 311 | usage(); |
| 312 | if (argc > 2) |
| 313 | targetshouldbedirectory = 1; |
| 314 | |
| 315 | remin = remout = -1; |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 316 | do_cmd_pid = -1; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 317 | /* Command to be executed on remote system using "ssh". */ |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 318 | (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", |
| 319 | verbose_mode ? " -v" : "", |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 320 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
| 321 | targetshouldbedirectory ? " -d" : ""); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 322 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 323 | (void) signal(SIGPIPE, lostconn); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 324 | |
| 325 | if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ |
| 326 | toremote(targ, argc, argv); |
| 327 | else { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 328 | tolocal(argc, argv); /* Dest is local host. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 329 | if (targetshouldbedirectory) |
| 330 | verifydir(argv[argc - 1]); |
| 331 | } |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 332 | /* |
| 333 | * Finally check the exit status of the ssh process, if one was forked |
| 334 | * and no error has occured yet |
| 335 | */ |
| 336 | if (do_cmd_pid != -1 && errs == 0) { |
| 337 | if (remin != -1) |
| 338 | (void) close(remin); |
| 339 | if (remout != -1) |
| 340 | (void) close(remout); |
| 341 | if (waitpid(do_cmd_pid, &status, 0) == -1) |
| 342 | errs = 1; |
| 343 | else { |
| 344 | if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) |
| 345 | errs = 1; |
| 346 | } |
| 347 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 348 | exit(errs != 0); |
| 349 | } |
| 350 | |
| 351 | void |
| 352 | toremote(targ, argc, argv) |
| 353 | char *targ, *argv[]; |
| 354 | int argc; |
| 355 | { |
| 356 | int i, len; |
| 357 | char *bp, *host, *src, *suser, *thost, *tuser; |
| 358 | |
| 359 | *targ++ = 0; |
| 360 | if (*targ == 0) |
| 361 | targ = "."; |
| 362 | |
Ben Lindstrom | c276c12 | 2002-12-23 02:14:51 +0000 | [diff] [blame] | 363 | if ((thost = strrchr(argv[argc - 1], '@'))) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 364 | /* user@host */ |
| 365 | *thost++ = 0; |
| 366 | tuser = argv[argc - 1]; |
| 367 | if (*tuser == '\0') |
| 368 | tuser = NULL; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 369 | } else { |
| 370 | thost = argv[argc - 1]; |
| 371 | tuser = NULL; |
| 372 | } |
| 373 | |
| 374 | for (i = 0; i < argc - 1; i++) { |
| 375 | src = colon(argv[i]); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 376 | if (src) { /* remote to remote */ |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 377 | static char *ssh_options = |
Ben Lindstrom | af0c6d6 | 2002-06-09 20:06:29 +0000 | [diff] [blame] | 378 | "-x -o'ClearAllForwardings yes'"; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 379 | *src++ = 0; |
| 380 | if (*src == 0) |
| 381 | src = "."; |
Ben Lindstrom | c276c12 | 2002-12-23 02:14:51 +0000 | [diff] [blame] | 382 | host = strrchr(argv[i], '@'); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 383 | len = strlen(ssh_program) + strlen(argv[i]) + |
| 384 | strlen(src) + (tuser ? strlen(tuser) : 0) + |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 385 | strlen(thost) + strlen(targ) + |
| 386 | strlen(ssh_options) + CMDNEEDS + 20; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 387 | bp = xmalloc(len); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 388 | if (host) { |
| 389 | *host++ = 0; |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 390 | host = cleanhostname(host); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 391 | suser = argv[i]; |
| 392 | if (*suser == '\0') |
| 393 | suser = pwd->pw_name; |
Damien Miller | 0011138 | 2003-03-10 11:21:17 +1100 | [diff] [blame] | 394 | else if (!okname(suser)) { |
| 395 | xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 396 | continue; |
Damien Miller | 0011138 | 2003-03-10 11:21:17 +1100 | [diff] [blame] | 397 | } |
| 398 | if (tuser && !okname(tuser)) { |
| 399 | xfree(bp); |
Damien Miller | eeeeb35 | 2003-02-24 11:52:58 +1100 | [diff] [blame] | 400 | continue; |
Damien Miller | 0011138 | 2003-03-10 11:21:17 +1100 | [diff] [blame] | 401 | } |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 402 | snprintf(bp, len, |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 403 | "%s%s %s -n " |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 404 | "-l %s %s %s %s '%s%s%s:%s'", |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 405 | ssh_program, verbose_mode ? " -v" : "", |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 406 | ssh_options, suser, host, cmd, src, |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 407 | tuser ? tuser : "", tuser ? "@" : "", |
| 408 | thost, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 409 | } else { |
| 410 | host = cleanhostname(argv[i]); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 411 | snprintf(bp, len, |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 412 | "exec %s%s %s -n %s " |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 413 | "%s %s '%s%s%s:%s'", |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 414 | ssh_program, verbose_mode ? " -v" : "", |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 415 | ssh_options, host, cmd, src, |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 416 | tuser ? tuser : "", tuser ? "@" : "", |
| 417 | thost, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 418 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 419 | if (verbose_mode) |
| 420 | fprintf(stderr, "Executing: %s\n", bp); |
| 421 | (void) system(bp); |
| 422 | (void) xfree(bp); |
| 423 | } else { /* local to remote */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 424 | if (remin == -1) { |
| 425 | len = strlen(targ) + CMDNEEDS + 20; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 426 | bp = xmalloc(len); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 427 | (void) snprintf(bp, len, "%s -t %s", cmd, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 428 | host = cleanhostname(thost); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 429 | if (do_cmd(host, tuser, bp, &remin, |
| 430 | &remout, argc) < 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 431 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 432 | if (response() < 0) |
| 433 | exit(1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 434 | (void) xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 435 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 436 | source(1, argv + i); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 437 | } |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | void |
| 442 | tolocal(argc, argv) |
| 443 | int argc; |
| 444 | char *argv[]; |
| 445 | { |
| 446 | int i, len; |
| 447 | char *bp, *host, *src, *suser; |
| 448 | |
| 449 | for (i = 0; i < argc - 1; i++) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 450 | if (!(src = colon(argv[i]))) { /* Local to local. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 451 | len = strlen(_PATH_CP) + strlen(argv[i]) + |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 452 | strlen(argv[argc - 1]) + 20; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 453 | bp = xmalloc(len); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 454 | (void) snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP, |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 455 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
| 456 | argv[i], argv[argc - 1]); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 457 | if (verbose_mode) |
| 458 | fprintf(stderr, "Executing: %s\n", bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 459 | if (system(bp)) |
| 460 | ++errs; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 461 | (void) xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 462 | continue; |
| 463 | } |
| 464 | *src++ = 0; |
| 465 | if (*src == 0) |
| 466 | src = "."; |
Ben Lindstrom | c276c12 | 2002-12-23 02:14:51 +0000 | [diff] [blame] | 467 | if ((host = strrchr(argv[i], '@')) == NULL) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 468 | host = argv[i]; |
| 469 | suser = NULL; |
| 470 | } else { |
| 471 | *host++ = 0; |
| 472 | suser = argv[i]; |
| 473 | if (*suser == '\0') |
| 474 | suser = pwd->pw_name; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 475 | } |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 476 | host = cleanhostname(host); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 477 | len = strlen(src) + CMDNEEDS + 20; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 478 | bp = xmalloc(len); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 479 | (void) snprintf(bp, len, "%s -f %s", cmd, src); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 480 | if (do_cmd(host, suser, bp, &remin, &remout, argc) < 0) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 481 | (void) xfree(bp); |
| 482 | ++errs; |
| 483 | continue; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 484 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 485 | xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 486 | sink(1, argv + argc - 1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 487 | (void) close(remin); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 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; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 500 | off_t i, amt, result, statbytes; |
Ben Lindstrom | 4eda71d | 2001-04-22 17:13:20 +0000 | [diff] [blame] | 501 | int fd, haderr, indx; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 502 | char *last, *name, buf[2048]; |
Ben Lindstrom | d47cf4d | 2001-04-07 01:14:38 +0000 | [diff] [blame] | 503 | int len; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 504 | |
| 505 | for (indx = 0; indx < argc; ++indx) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 506 | name = argv[indx]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 507 | statbytes = 0; |
Ben Lindstrom | d47cf4d | 2001-04-07 01:14:38 +0000 | [diff] [blame] | 508 | len = strlen(name); |
| 509 | while (len > 1 && name[len-1] == '/') |
| 510 | name[--len] = '\0'; |
Ben Lindstrom | 3e45e4c | 2001-10-03 17:30:58 +0000 | [diff] [blame] | 511 | if (strchr(name, '\n') != NULL) { |
| 512 | run_err("%s: skipping, filename contains a newline", |
| 513 | name); |
| 514 | goto next; |
| 515 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 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 | */ |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 545 | (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 546 | (u_long) stb.st_mtime, |
| 547 | (u_long) stb.st_atime); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 548 | (void) atomicio(write, remout, buf, strlen(buf)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 549 | if (response() < 0) |
| 550 | goto next; |
| 551 | } |
| 552 | #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) |
Ben Lindstrom | a4c5766 | 2001-03-17 00:10:20 +0000 | [diff] [blame] | 553 | snprintf(buf, sizeof buf, "C%04o %lld %s\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 554 | (u_int) (stb.st_mode & FILEMODEMASK), |
Ben Lindstrom | 0e7f436 | 2003-04-28 23:30:43 +0000 | [diff] [blame] | 555 | (int64_t)stb.st_size, last); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 556 | if (verbose_mode) { |
| 557 | fprintf(stderr, "Sending file modes: %s", buf); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 558 | } |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 559 | (void) atomicio(write, remout, buf, strlen(buf)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 560 | if (response() < 0) |
| 561 | goto next; |
| 562 | if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 563 | next: (void) close(fd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 564 | continue; |
| 565 | } |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 566 | if (showprogress) |
| 567 | start_progress_meter(curfile, stb.st_size, &statbytes); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 568 | /* Keep writing after an error so that we stay sync'd up. */ |
| 569 | for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { |
| 570 | amt = bp->cnt; |
| 571 | if (i + amt > stb.st_size) |
| 572 | amt = stb.st_size - i; |
| 573 | if (!haderr) { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 574 | result = atomicio(read, fd, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 575 | if (result != amt) |
| 576 | haderr = result >= 0 ? EIO : errno; |
| 577 | } |
| 578 | if (haderr) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 579 | (void) atomicio(write, remout, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 580 | else { |
Damien Miller | 864ea59 | 1999-12-15 11:04:25 +1100 | [diff] [blame] | 581 | result = atomicio(write, remout, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 582 | if (result != amt) |
| 583 | haderr = result >= 0 ? EIO : errno; |
| 584 | statbytes += result; |
| 585 | } |
Ben Lindstrom | d54d938 | 2003-03-21 00:55:32 +0000 | [diff] [blame] | 586 | if (limitbw) |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 587 | bwlimit(amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 588 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 589 | if (showprogress) |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 590 | stop_progress_meter(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 591 | |
| 592 | if (close(fd) < 0 && !haderr) |
| 593 | haderr = errno; |
| 594 | if (!haderr) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 595 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 596 | else |
| 597 | run_err("%s: %s", name, strerror(haderr)); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 598 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 599 | } |
| 600 | } |
| 601 | |
| 602 | void |
| 603 | rsource(name, statp) |
| 604 | char *name; |
| 605 | struct stat *statp; |
| 606 | { |
| 607 | DIR *dirp; |
| 608 | struct dirent *dp; |
| 609 | char *last, *vect[1], path[1100]; |
| 610 | |
| 611 | if (!(dirp = opendir(name))) { |
| 612 | run_err("%s: %s", name, strerror(errno)); |
| 613 | return; |
| 614 | } |
| 615 | last = strrchr(name, '/'); |
| 616 | if (last == 0) |
| 617 | last = name; |
| 618 | else |
| 619 | last++; |
| 620 | if (pflag) { |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 621 | (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 622 | (u_long) statp->st_mtime, |
| 623 | (u_long) statp->st_atime); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 624 | (void) atomicio(write, remout, path, strlen(path)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 625 | if (response() < 0) { |
| 626 | closedir(dirp); |
| 627 | return; |
| 628 | } |
| 629 | } |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 630 | (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 631 | (u_int) (statp->st_mode & FILEMODEMASK), 0, last); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 632 | if (verbose_mode) |
| 633 | fprintf(stderr, "Entering directory: %s", path); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 634 | (void) atomicio(write, remout, path, strlen(path)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 635 | if (response() < 0) { |
| 636 | closedir(dirp); |
| 637 | return; |
| 638 | } |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 639 | while ((dp = readdir(dirp)) != NULL) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 640 | if (dp->d_ino == 0) |
| 641 | continue; |
| 642 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) |
| 643 | continue; |
| 644 | if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { |
| 645 | run_err("%s/%s: name too long", name, dp->d_name); |
| 646 | continue; |
| 647 | } |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 648 | (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 649 | vect[0] = path; |
| 650 | source(1, vect); |
| 651 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 652 | (void) closedir(dirp); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 653 | (void) atomicio(write, remout, "E\n", 2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 654 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 655 | } |
| 656 | |
| 657 | void |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 658 | bwlimit(int amount) |
| 659 | { |
| 660 | static struct timeval bwstart, bwend; |
| 661 | static int lamt, thresh = 16384; |
| 662 | u_int64_t wait; |
| 663 | struct timespec ts, rm; |
| 664 | |
| 665 | if (!timerisset(&bwstart)) { |
| 666 | gettimeofday(&bwstart, NULL); |
| 667 | return; |
| 668 | } |
| 669 | |
| 670 | lamt += amount; |
| 671 | if (lamt < thresh) |
| 672 | return; |
| 673 | |
| 674 | gettimeofday(&bwend, NULL); |
| 675 | timersub(&bwend, &bwstart, &bwend); |
| 676 | if (!timerisset(&bwend)) |
| 677 | return; |
| 678 | |
| 679 | lamt *= 8; |
Ben Lindstrom | d54d938 | 2003-03-21 00:55:32 +0000 | [diff] [blame] | 680 | wait = (double)1000000L * lamt / limitbw; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 681 | |
| 682 | bwstart.tv_sec = wait / 1000000L; |
| 683 | bwstart.tv_usec = wait % 1000000L; |
| 684 | |
| 685 | if (timercmp(&bwstart, &bwend, >)) { |
| 686 | timersub(&bwstart, &bwend, &bwend); |
| 687 | |
| 688 | /* Adjust the wait time */ |
| 689 | if (bwend.tv_sec) { |
| 690 | thresh /= 2; |
| 691 | if (thresh < 2048) |
| 692 | thresh = 2048; |
| 693 | } else if (bwend.tv_usec < 100) { |
| 694 | thresh *= 2; |
| 695 | if (thresh > 32768) |
| 696 | thresh = 32768; |
| 697 | } |
| 698 | |
| 699 | TIMEVAL_TO_TIMESPEC(&bwend, &ts); |
| 700 | while (nanosleep(&ts, &rm) == -1) { |
| 701 | if (errno != EINTR) |
| 702 | break; |
| 703 | ts = rm; |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | lamt = 0; |
| 708 | gettimeofday(&bwstart, NULL); |
| 709 | } |
| 710 | |
| 711 | void |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 712 | sink(argc, argv) |
| 713 | int argc; |
| 714 | char *argv[]; |
| 715 | { |
| 716 | static BUF buffer; |
| 717 | struct stat stb; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 718 | enum { |
| 719 | YES, NO, DISPLAYED |
| 720 | } wrerr; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 721 | BUF *bp; |
| 722 | off_t i, j; |
| 723 | int amt, count, exists, first, mask, mode, ofd, omode; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 724 | off_t size, statbytes; |
Damien Miller | caf6dd6 | 2000-08-29 11:33:50 +1100 | [diff] [blame] | 725 | int setimes, targisdir, wrerrno = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 726 | char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; |
Damien Miller | 62cee00 | 2000-09-23 17:15:56 +1100 | [diff] [blame] | 727 | struct timeval tv[2]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 728 | |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 729 | #define atime tv[0] |
| 730 | #define mtime tv[1] |
Ben Lindstrom | 7d5ed3a | 2001-06-25 04:28:30 +0000 | [diff] [blame] | 731 | #define SCREWUP(str) do { why = str; goto screwup; } while (0) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 732 | |
| 733 | setimes = targisdir = 0; |
| 734 | mask = umask(0); |
| 735 | if (!pflag) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 736 | (void) umask(mask); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 737 | if (argc != 1) { |
| 738 | run_err("ambiguous target"); |
| 739 | exit(1); |
| 740 | } |
| 741 | targ = *argv; |
| 742 | if (targetshouldbedirectory) |
| 743 | verifydir(targ); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 744 | |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 745 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 746 | if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) |
| 747 | targisdir = 1; |
| 748 | for (first = 1;; first = 0) { |
| 749 | cp = buf; |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 750 | if (atomicio(read, remin, cp, 1) <= 0) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 751 | return; |
| 752 | if (*cp++ == '\n') |
| 753 | SCREWUP("unexpected <newline>"); |
| 754 | do { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 755 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 756 | SCREWUP("lost connection"); |
| 757 | *cp++ = ch; |
| 758 | } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); |
| 759 | *cp = 0; |
| 760 | |
| 761 | if (buf[0] == '\01' || buf[0] == '\02') { |
| 762 | if (iamremote == 0) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 763 | (void) atomicio(write, STDERR_FILENO, |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 764 | buf + 1, strlen(buf + 1)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 765 | if (buf[0] == '\02') |
| 766 | exit(1); |
| 767 | ++errs; |
| 768 | continue; |
| 769 | } |
| 770 | if (buf[0] == 'E') { |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 771 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 772 | return; |
| 773 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 774 | if (ch == '\n') |
| 775 | *--cp = 0; |
| 776 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 777 | cp = buf; |
| 778 | if (*cp == 'T') { |
| 779 | setimes++; |
| 780 | cp++; |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 781 | mtime.tv_sec = strtol(cp, &cp, 10); |
| 782 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 783 | SCREWUP("mtime.sec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 784 | mtime.tv_usec = strtol(cp, &cp, 10); |
| 785 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 786 | SCREWUP("mtime.usec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 787 | atime.tv_sec = strtol(cp, &cp, 10); |
| 788 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 789 | SCREWUP("atime.sec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 790 | atime.tv_usec = strtol(cp, &cp, 10); |
| 791 | if (!cp || *cp++ != '\0') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 792 | SCREWUP("atime.usec not delimited"); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 793 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 794 | continue; |
| 795 | } |
| 796 | if (*cp != 'C' && *cp != 'D') { |
| 797 | /* |
| 798 | * Check for the case "rcp remote:foo\* local:bar". |
| 799 | * In this case, the line "No match." can be returned |
| 800 | * by the shell before the rcp command on the remote is |
| 801 | * executed so the ^Aerror_message convention isn't |
| 802 | * followed. |
| 803 | */ |
| 804 | if (first) { |
| 805 | run_err("%s", cp); |
| 806 | exit(1); |
| 807 | } |
| 808 | SCREWUP("expected control record"); |
| 809 | } |
| 810 | mode = 0; |
| 811 | for (++cp; cp < buf + 5; cp++) { |
| 812 | if (*cp < '0' || *cp > '7') |
| 813 | SCREWUP("bad mode"); |
| 814 | mode = (mode << 3) | (*cp - '0'); |
| 815 | } |
| 816 | if (*cp++ != ' ') |
| 817 | SCREWUP("mode not delimited"); |
| 818 | |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 819 | for (size = 0; isdigit(*cp);) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 820 | size = size * 10 + (*cp++ - '0'); |
| 821 | if (*cp++ != ' ') |
| 822 | SCREWUP("size not delimited"); |
| 823 | if (targisdir) { |
| 824 | static char *namebuf; |
| 825 | static int cursize; |
| 826 | size_t need; |
| 827 | |
| 828 | need = strlen(targ) + strlen(cp) + 250; |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 829 | if (need > cursize) { |
| 830 | if (namebuf) |
| 831 | xfree(namebuf); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 832 | namebuf = xmalloc(need); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 833 | cursize = need; |
| 834 | } |
| 835 | (void) snprintf(namebuf, need, "%s%s%s", targ, |
Ben Lindstrom | de3895d | 2002-04-06 18:29:59 +0000 | [diff] [blame] | 836 | strcmp(targ, "/") ? "/" : "", cp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 837 | np = namebuf; |
| 838 | } else |
| 839 | np = targ; |
| 840 | curfile = cp; |
| 841 | exists = stat(np, &stb) == 0; |
| 842 | if (buf[0] == 'D') { |
| 843 | int mod_flag = pflag; |
| 844 | if (exists) { |
| 845 | if (!S_ISDIR(stb.st_mode)) { |
| 846 | errno = ENOTDIR; |
| 847 | goto bad; |
| 848 | } |
| 849 | if (pflag) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 850 | (void) chmod(np, mode); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 851 | } else { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 852 | /* Handle copying from a read-only |
| 853 | directory */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 854 | mod_flag = 1; |
| 855 | if (mkdir(np, mode | S_IRWXU) < 0) |
| 856 | goto bad; |
| 857 | } |
Ben Lindstrom | 550bc54 | 2001-02-10 21:50:00 +0000 | [diff] [blame] | 858 | vect[0] = xstrdup(np); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 859 | sink(1, vect); |
| 860 | if (setimes) { |
| 861 | setimes = 0; |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 862 | if (utimes(vect[0], tv) < 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 863 | run_err("%s: set times: %s", |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 864 | vect[0], strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 865 | } |
| 866 | if (mod_flag) |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 867 | (void) chmod(vect[0], mode); |
| 868 | if (vect[0]) |
| 869 | xfree(vect[0]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 870 | continue; |
| 871 | } |
| 872 | omode = mode; |
| 873 | mode |= S_IWRITE; |
Ben Lindstrom | 7bad55b | 2001-06-05 19:31:41 +0000 | [diff] [blame] | 874 | if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 875 | bad: run_err("%s: %s", np, strerror(errno)); |
| 876 | continue; |
| 877 | } |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 878 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 879 | if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 880 | (void) close(ofd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 881 | continue; |
| 882 | } |
| 883 | cp = bp->buf; |
| 884 | wrerr = NO; |
| 885 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 886 | statbytes = 0; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 887 | if (showprogress) |
| 888 | start_progress_meter(curfile, size, &statbytes); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 889 | for (count = i = 0; i < size; i += 4096) { |
| 890 | amt = 4096; |
| 891 | if (i + amt > size) |
| 892 | amt = size - i; |
| 893 | count += amt; |
| 894 | do { |
Damien Miller | 69b69aa | 2000-10-28 14:19:58 +1100 | [diff] [blame] | 895 | j = read(remin, cp, amt); |
Ben Lindstrom | 2772a3f | 2001-08-06 21:17:12 +0000 | [diff] [blame] | 896 | if (j == -1 && (errno == EINTR || |
| 897 | errno == EAGAIN)) { |
Damien Miller | 69b69aa | 2000-10-28 14:19:58 +1100 | [diff] [blame] | 898 | continue; |
| 899 | } else if (j <= 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 900 | run_err("%s", j ? strerror(errno) : |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 901 | "dropped connection"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 902 | exit(1); |
| 903 | } |
| 904 | amt -= j; |
| 905 | cp += j; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 906 | statbytes += j; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 907 | } while (amt > 0); |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 908 | |
Ben Lindstrom | d54d938 | 2003-03-21 00:55:32 +0000 | [diff] [blame] | 909 | if (limitbw) |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 910 | bwlimit(4096); |
| 911 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 912 | if (count == bp->cnt) { |
| 913 | /* Keep reading so we stay sync'd up. */ |
| 914 | if (wrerr == NO) { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 915 | j = atomicio(write, ofd, bp->buf, count); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 916 | if (j != count) { |
| 917 | wrerr = YES; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 918 | wrerrno = j >= 0 ? EIO : errno; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 919 | } |
| 920 | } |
| 921 | count = 0; |
| 922 | cp = bp->buf; |
| 923 | } |
| 924 | } |
| 925 | if (showprogress) |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 926 | stop_progress_meter(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 927 | if (count != 0 && wrerr == NO && |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 928 | (j = atomicio(write, ofd, bp->buf, count)) != count) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 929 | wrerr = YES; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 930 | wrerrno = j >= 0 ? EIO : errno; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 931 | } |
Damien Miller | 86b781c | 2003-01-10 21:44:48 +1100 | [diff] [blame] | 932 | if (wrerr == NO && ftruncate(ofd, size) != 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 933 | run_err("%s: truncate: %s", np, strerror(errno)); |
| 934 | wrerr = DISPLAYED; |
| 935 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 936 | if (pflag) { |
| 937 | if (exists || omode != mode) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 938 | #ifdef HAVE_FCHMOD |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 939 | if (fchmod(ofd, omode)) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 940 | #else /* HAVE_FCHMOD */ |
| 941 | if (chmod(np, omode)) |
| 942 | #endif /* HAVE_FCHMOD */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 943 | run_err("%s: set mode: %s", |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 944 | np, strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 945 | } else { |
| 946 | if (!exists && omode != mode) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 947 | #ifdef HAVE_FCHMOD |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 948 | if (fchmod(ofd, omode & ~mask)) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 949 | #else /* HAVE_FCHMOD */ |
| 950 | if (chmod(np, omode & ~mask)) |
| 951 | #endif /* HAVE_FCHMOD */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 952 | run_err("%s: set mode: %s", |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 953 | np, strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 954 | } |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 955 | if (close(ofd) == -1) { |
| 956 | wrerr = YES; |
| 957 | wrerrno = errno; |
| 958 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 959 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 960 | if (setimes && wrerr == NO) { |
| 961 | setimes = 0; |
Damien Miller | 62cee00 | 2000-09-23 17:15:56 +1100 | [diff] [blame] | 962 | if (utimes(np, tv) < 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 963 | run_err("%s: set times: %s", |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 964 | np, strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 965 | wrerr = DISPLAYED; |
| 966 | } |
| 967 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 968 | switch (wrerr) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 969 | case YES: |
| 970 | run_err("%s: %s", np, strerror(wrerrno)); |
| 971 | break; |
| 972 | case NO: |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 973 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 974 | break; |
| 975 | case DISPLAYED: |
| 976 | break; |
| 977 | } |
| 978 | } |
| 979 | screwup: |
| 980 | run_err("protocol error: %s", why); |
| 981 | exit(1); |
| 982 | } |
| 983 | |
| 984 | int |
Ben Lindstrom | 3c36bb2 | 2001-12-06 17:55:26 +0000 | [diff] [blame] | 985 | response(void) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 986 | { |
| 987 | char ch, *cp, resp, rbuf[2048]; |
| 988 | |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 989 | if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 990 | lostconn(0); |
| 991 | |
| 992 | cp = rbuf; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 993 | switch (resp) { |
| 994 | case 0: /* ok */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 995 | return (0); |
| 996 | default: |
| 997 | *cp++ = resp; |
| 998 | /* FALLTHROUGH */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 999 | case 1: /* error, followed by error msg */ |
| 1000 | case 2: /* fatal error, "" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1001 | do { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 1002 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1003 | lostconn(0); |
| 1004 | *cp++ = ch; |
| 1005 | } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); |
| 1006 | |
| 1007 | if (!iamremote) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 1008 | (void) atomicio(write, STDERR_FILENO, rbuf, cp - rbuf); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1009 | ++errs; |
| 1010 | if (resp == 1) |
| 1011 | return (-1); |
| 1012 | exit(1); |
| 1013 | } |
| 1014 | /* NOTREACHED */ |
| 1015 | } |
| 1016 | |
| 1017 | void |
Ben Lindstrom | 3c36bb2 | 2001-12-06 17:55:26 +0000 | [diff] [blame] | 1018 | usage(void) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1019 | { |
Ben Lindstrom | 1e24324 | 2001-09-18 05:38:44 +0000 | [diff] [blame] | 1020 | (void) fprintf(stderr, |
Damien Miller | 8e12147 | 2003-01-24 11:37:38 +1100 | [diff] [blame] | 1021 | "usage: scp [-pqrvBC1246] [-F config] [-S program] [-P port]\n" |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 1022 | " [-c cipher] [-i identity] [-l limit] [-o option]\n" |
Ben Lindstrom | 45933dd | 2002-06-21 00:10:58 +0000 | [diff] [blame] | 1023 | " [[user@]host1:]file1 [...] [[user@]host2:]file2\n"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1024 | exit(1); |
| 1025 | } |
| 1026 | |
| 1027 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1028 | run_err(const char *fmt,...) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1029 | { |
| 1030 | static FILE *fp; |
| 1031 | va_list ap; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1032 | |
| 1033 | ++errs; |
| 1034 | if (fp == NULL && !(fp = fdopen(remout, "w"))) |
| 1035 | return; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1036 | (void) fprintf(fp, "%c", 0x01); |
| 1037 | (void) fprintf(fp, "scp: "); |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 1038 | va_start(ap, fmt); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1039 | (void) vfprintf(fp, fmt, ap); |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 1040 | va_end(ap); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1041 | (void) fprintf(fp, "\n"); |
| 1042 | (void) fflush(fp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1043 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1044 | if (!iamremote) { |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 1045 | va_start(ap, fmt); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1046 | vfprintf(stderr, fmt, ap); |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 1047 | va_end(ap); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1048 | fprintf(stderr, "\n"); |
| 1049 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1050 | } |
| 1051 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1052 | void |
| 1053 | verifydir(cp) |
| 1054 | char *cp; |
| 1055 | { |
| 1056 | struct stat stb; |
| 1057 | |
| 1058 | if (!stat(cp, &stb)) { |
| 1059 | if (S_ISDIR(stb.st_mode)) |
| 1060 | return; |
| 1061 | errno = ENOTDIR; |
| 1062 | } |
| 1063 | run_err("%s: %s", cp, strerror(errno)); |
| 1064 | exit(1); |
| 1065 | } |
| 1066 | |
| 1067 | int |
| 1068 | okname(cp0) |
| 1069 | char *cp0; |
| 1070 | { |
| 1071 | int c; |
| 1072 | char *cp; |
| 1073 | |
| 1074 | cp = cp0; |
| 1075 | do { |
Ben Lindstrom | 7d5ed3a | 2001-06-25 04:28:30 +0000 | [diff] [blame] | 1076 | c = (int)*cp; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1077 | if (c & 0200) |
| 1078 | goto bad; |
Damien Miller | eeeeb35 | 2003-02-24 11:52:58 +1100 | [diff] [blame] | 1079 | if (!isalpha(c) && !isdigit(c)) { |
| 1080 | switch (c) { |
| 1081 | case '\'': |
| 1082 | case '"': |
| 1083 | case '`': |
| 1084 | case ' ': |
| 1085 | case '#': |
| 1086 | goto bad; |
| 1087 | default: |
| 1088 | break; |
| 1089 | } |
| 1090 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1091 | } while (*++cp); |
| 1092 | return (1); |
| 1093 | |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 1094 | bad: fprintf(stderr, "%s: invalid user name\n", cp0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1095 | return (0); |
| 1096 | } |
| 1097 | |
| 1098 | BUF * |
| 1099 | allocbuf(bp, fd, blksize) |
| 1100 | BUF *bp; |
| 1101 | int fd, blksize; |
| 1102 | { |
| 1103 | size_t size; |
Tim Rice | 13aae5e | 2001-10-21 17:53:58 -0700 | [diff] [blame] | 1104 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1105 | struct stat stb; |
| 1106 | |
| 1107 | if (fstat(fd, &stb) < 0) { |
| 1108 | run_err("fstat: %s", strerror(errno)); |
| 1109 | return (0); |
| 1110 | } |
Ben Lindstrom | 418e078 | 2002-12-23 02:22:09 +0000 | [diff] [blame] | 1111 | size = roundup(stb.st_blksize, blksize); |
| 1112 | if (size == 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1113 | size = blksize; |
Tim Rice | 13aae5e | 2001-10-21 17:53:58 -0700 | [diff] [blame] | 1114 | #else /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 1115 | size = blksize; |
Tim Rice | 13aae5e | 2001-10-21 17:53:58 -0700 | [diff] [blame] | 1116 | #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1117 | if (bp->cnt >= size) |
| 1118 | return (bp); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1119 | if (bp->buf == NULL) |
| 1120 | bp->buf = xmalloc(size); |
| 1121 | else |
| 1122 | bp->buf = xrealloc(bp->buf, size); |
Ben Lindstrom | 5fccbc2 | 2001-09-12 17:49:48 +0000 | [diff] [blame] | 1123 | memset(bp->buf, 0, size); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1124 | bp->cnt = size; |
| 1125 | return (bp); |
| 1126 | } |
| 1127 | |
| 1128 | void |
| 1129 | lostconn(signo) |
| 1130 | int signo; |
| 1131 | { |
| 1132 | if (!iamremote) |
Ben Lindstrom | 738f51e | 2001-06-21 03:08:58 +0000 | [diff] [blame] | 1133 | write(STDERR_FILENO, "lost connection\n", 16); |
| 1134 | if (signo) |
| 1135 | _exit(1); |
| 1136 | else |
| 1137 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1138 | } |