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. |
| 55 | * 3. All advertising materials mentioning features or use of this software |
| 56 | * must display the following acknowledgement: |
| 57 | * This product includes software developed by the University of |
| 58 | * California, Berkeley and its contributors. |
| 59 | * 4. Neither the name of the University nor the names of its contributors |
| 60 | * may be used to endorse or promote products derived from this software |
| 61 | * without specific prior written permission. |
| 62 | * |
| 63 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 64 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 65 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 66 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 67 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 68 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 69 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 70 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 71 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 72 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 73 | * SUCH DAMAGE. |
| 74 | * |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 75 | */ |
| 76 | |
| 77 | #include "includes.h" |
Ben Lindstrom | 2772a3f | 2001-08-06 21:17:12 +0000 | [diff] [blame] | 78 | RCSID("$OpenBSD: scp.c,v 1.78 2001/07/27 17:26:16 deraadt Exp $"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 79 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 80 | #include "xmalloc.h" |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 81 | #include "atomicio.h" |
| 82 | #include "pathnames.h" |
| 83 | #include "log.h" |
Kevin Steves | 93c17d9 | 2001-02-18 03:55:16 +0000 | [diff] [blame] | 84 | #include "misc.h" |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 85 | |
Ben Lindstrom | 49a79c0 | 2000-11-17 03:47:20 +0000 | [diff] [blame] | 86 | #ifdef HAVE___PROGNAME |
| 87 | extern char *__progname; |
| 88 | #else |
| 89 | char *__progname; |
| 90 | #endif |
| 91 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 92 | /* For progressmeter() -- number of seconds before xfer considered "stalled" */ |
| 93 | #define STALLTIME 5 |
| 94 | |
Damien Miller | 484118e | 2000-07-02 19:13:56 +1000 | [diff] [blame] | 95 | /* Progress meter bar */ |
| 96 | #define BAR \ |
| 97 | "************************************************************"\ |
| 98 | "************************************************************"\ |
| 99 | "************************************************************"\ |
| 100 | "************************************************************" |
| 101 | #define MAX_BARLENGTH (sizeof(BAR) - 1) |
| 102 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 103 | /* Visual statistics about files as they are transferred. */ |
| 104 | void progressmeter(int); |
| 105 | |
| 106 | /* Returns width of the terminal (for progress meter calculations). */ |
| 107 | int getttywidth(void); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 108 | int 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] | 109 | |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 110 | /* Struct for addargs */ |
| 111 | arglist args; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 112 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 113 | /* Time a transfer started. */ |
| 114 | static struct timeval start; |
| 115 | |
| 116 | /* Number of bytes of current file transferred so far. */ |
Ben Lindstrom | 4eda71d | 2001-04-22 17:13:20 +0000 | [diff] [blame] | 117 | volatile off_t statbytes; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 118 | |
| 119 | /* Total size of current file. */ |
Damien Miller | a2d6efe | 1999-11-13 13:22:46 +1100 | [diff] [blame] | 120 | off_t totalbytes = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 121 | |
| 122 | /* Name of current file being transferred. */ |
| 123 | char *curfile; |
| 124 | |
| 125 | /* This is set to non-zero to enable verbose mode. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 126 | int verbose_mode = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 127 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 128 | /* This is set to zero if the progressmeter is not desired. */ |
| 129 | int showprogress = 1; |
| 130 | |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 131 | /* 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] | 132 | char *ssh_program = _PATH_SSH_PROGRAM; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 133 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 134 | /* |
| 135 | * This function executes the given command as the specified user on the |
| 136 | * given host. This returns < 0 if execution fails, and >= 0 otherwise. This |
| 137 | * assigns the input and output file descriptors on success. |
| 138 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 139 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 140 | int |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 141 | 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] | 142 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 143 | int pin[2], pout[2], reserved[2]; |
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 | if (verbose_mode) |
Ben Lindstrom | 2772a3f | 2001-08-06 21:17:12 +0000 | [diff] [blame] | 146 | fprintf(stderr, |
| 147 | "Executing: program %s host %s, user %s, command %s\n", |
| 148 | ssh_program, host, |
| 149 | remuser ? remuser : "(unspecified)", cmd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 150 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 151 | /* |
| 152 | * Reserve two descriptors so that the real pipes won't get |
| 153 | * descriptors 0 and 1 because that will screw up dup2 below. |
| 154 | */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 155 | pipe(reserved); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 156 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 157 | /* Create a socket pair for communicating with ssh. */ |
| 158 | if (pipe(pin) < 0) |
| 159 | fatal("pipe: %s", strerror(errno)); |
| 160 | if (pipe(pout) < 0) |
| 161 | fatal("pipe: %s", strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 162 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 163 | /* Free the reserved descriptors. */ |
| 164 | close(reserved[0]); |
| 165 | close(reserved[1]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 166 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 167 | /* For a child to execute the command on the remote host using ssh. */ |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 168 | if (fork() == 0) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 169 | /* Child. */ |
| 170 | close(pin[1]); |
| 171 | close(pout[0]); |
| 172 | dup2(pin[0], 0); |
| 173 | dup2(pout[1], 1); |
| 174 | close(pin[0]); |
| 175 | close(pout[1]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 176 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 177 | args.list[0] = ssh_program; |
| 178 | if (remuser != NULL) |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 179 | addargs(&args, "-l%s", remuser); |
| 180 | addargs(&args, "%s", host); |
| 181 | addargs(&args, "%s", cmd); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 182 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 183 | execvp(ssh_program, args.list); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 184 | perror(ssh_program); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 185 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 186 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 187 | /* Parent. Close the other side, and return the local side. */ |
| 188 | close(pin[0]); |
| 189 | *fdout = pin[1]; |
| 190 | close(pout[1]); |
| 191 | *fdin = pout[0]; |
| 192 | return 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 193 | } |
| 194 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 195 | typedef struct { |
| 196 | int cnt; |
| 197 | char *buf; |
| 198 | } BUF; |
| 199 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 200 | BUF *allocbuf(BUF *, int, int); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 201 | void lostconn(int); |
| 202 | void nospace(void); |
| 203 | int okname(char *); |
| 204 | void run_err(const char *,...); |
| 205 | void verifydir(char *); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 206 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 207 | struct passwd *pwd; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 208 | uid_t userid; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 209 | int errs, remin, remout; |
| 210 | int pflag, iamremote, iamrecursive, targetshouldbedirectory; |
| 211 | |
| 212 | #define CMDNEEDS 64 |
| 213 | char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ |
| 214 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 215 | int main(int, char *[]); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 216 | int response(void); |
| 217 | void rsource(char *, struct stat *); |
| 218 | void sink(int, char *[]); |
| 219 | void source(int, char *[]); |
| 220 | void tolocal(int, char *[]); |
| 221 | void toremote(char *, int, char *[]); |
| 222 | void usage(void); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 223 | |
| 224 | int |
| 225 | main(argc, argv) |
| 226 | int argc; |
| 227 | char *argv[]; |
| 228 | { |
| 229 | int ch, fflag, tflag; |
| 230 | char *targ; |
| 231 | extern char *optarg; |
| 232 | extern int optind; |
| 233 | |
Ben Lindstrom | 49a79c0 | 2000-11-17 03:47:20 +0000 | [diff] [blame] | 234 | __progname = get_progname(argv[0]); |
| 235 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 236 | args.list = NULL; |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 237 | addargs(&args, "ssh"); /* overwritten with ssh_program */ |
| 238 | addargs(&args, "-x"); |
| 239 | addargs(&args, "-oFallBackToRsh no"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 240 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 241 | fflag = tflag = 0; |
Ben Lindstrom | bf555ba | 2001-01-18 02:04:35 +0000 | [diff] [blame] | 242 | while ((ch = getopt(argc, argv, "dfprtvBCc:i:P:q46S:o:")) != -1) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 243 | switch (ch) { |
| 244 | /* User-visible flags. */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 245 | case '4': |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 246 | case '6': |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 247 | case 'C': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 248 | addargs(&args, "-%c", ch); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 249 | break; |
| 250 | case 'o': |
| 251 | case 'c': |
| 252 | case 'i': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 253 | addargs(&args, "-%c%s", ch, optarg); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 254 | break; |
| 255 | case 'P': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 256 | addargs(&args, "-p%s", optarg); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 257 | break; |
| 258 | case 'B': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 259 | addargs(&args, "-oBatchmode yes"); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 260 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 261 | case 'p': |
| 262 | pflag = 1; |
| 263 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 264 | case 'r': |
| 265 | iamrecursive = 1; |
| 266 | break; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 267 | case 'S': |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 268 | ssh_program = xstrdup(optarg); |
| 269 | break; |
| 270 | case 'v': |
Ben Lindstrom | 9cc9464 | 2001-06-09 01:15:11 +0000 | [diff] [blame] | 271 | addargs(&args, "-v"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 272 | verbose_mode = 1; |
| 273 | break; |
| 274 | case 'q': |
| 275 | showprogress = 0; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 276 | break; |
| 277 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 278 | /* Server options. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 279 | case 'd': |
| 280 | targetshouldbedirectory = 1; |
| 281 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 282 | case 'f': /* "from" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 283 | iamremote = 1; |
| 284 | fflag = 1; |
| 285 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 286 | case 't': /* "to" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 287 | iamremote = 1; |
| 288 | tflag = 1; |
Damien Miller | 402b331 | 2001-04-14 00:28:42 +1000 | [diff] [blame] | 289 | #ifdef HAVE_CYGWIN |
| 290 | setmode(0, O_BINARY); |
| 291 | #endif |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 292 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 293 | default: |
| 294 | usage(); |
| 295 | } |
| 296 | argc -= optind; |
| 297 | argv += optind; |
| 298 | |
| 299 | if ((pwd = getpwuid(userid = getuid())) == NULL) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 300 | fatal("unknown user %d", (int) userid); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 301 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 302 | if (!isatty(STDERR_FILENO)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 303 | showprogress = 0; |
| 304 | |
| 305 | remin = STDIN_FILENO; |
| 306 | remout = STDOUT_FILENO; |
| 307 | |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 308 | if (fflag) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 309 | /* Follow "protocol", send data. */ |
| 310 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 311 | source(argc, argv); |
| 312 | exit(errs != 0); |
| 313 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 314 | if (tflag) { |
| 315 | /* Receive data. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 316 | sink(argc, argv); |
| 317 | exit(errs != 0); |
| 318 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 319 | if (argc < 2) |
| 320 | usage(); |
| 321 | if (argc > 2) |
| 322 | targetshouldbedirectory = 1; |
| 323 | |
| 324 | remin = remout = -1; |
| 325 | /* Command to be executed on remote system using "ssh". */ |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 326 | (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", |
| 327 | verbose_mode ? " -v" : "", |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 328 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
| 329 | targetshouldbedirectory ? " -d" : ""); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 330 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 331 | (void) signal(SIGPIPE, lostconn); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 332 | |
| 333 | if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ |
| 334 | toremote(targ, argc, argv); |
| 335 | else { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 336 | tolocal(argc, argv); /* Dest is local host. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 337 | if (targetshouldbedirectory) |
| 338 | verifydir(argv[argc - 1]); |
| 339 | } |
| 340 | exit(errs != 0); |
| 341 | } |
| 342 | |
| 343 | void |
| 344 | toremote(targ, argc, argv) |
| 345 | char *targ, *argv[]; |
| 346 | int argc; |
| 347 | { |
| 348 | int i, len; |
| 349 | char *bp, *host, *src, *suser, *thost, *tuser; |
| 350 | |
| 351 | *targ++ = 0; |
| 352 | if (*targ == 0) |
| 353 | targ = "."; |
| 354 | |
| 355 | if ((thost = strchr(argv[argc - 1], '@'))) { |
| 356 | /* user@host */ |
| 357 | *thost++ = 0; |
| 358 | tuser = argv[argc - 1]; |
| 359 | if (*tuser == '\0') |
| 360 | tuser = NULL; |
| 361 | else if (!okname(tuser)) |
| 362 | exit(1); |
| 363 | } else { |
| 364 | thost = argv[argc - 1]; |
| 365 | tuser = NULL; |
| 366 | } |
| 367 | |
| 368 | for (i = 0; i < argc - 1; i++) { |
| 369 | src = colon(argv[i]); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 370 | if (src) { /* remote to remote */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 371 | *src++ = 0; |
| 372 | if (*src == 0) |
| 373 | src = "."; |
| 374 | host = strchr(argv[i], '@'); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 375 | len = strlen(ssh_program) + strlen(argv[i]) + |
| 376 | strlen(src) + (tuser ? strlen(tuser) : 0) + |
| 377 | strlen(thost) + strlen(targ) + CMDNEEDS + 32; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 378 | bp = xmalloc(len); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 379 | if (host) { |
| 380 | *host++ = 0; |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 381 | host = cleanhostname(host); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 382 | suser = argv[i]; |
| 383 | if (*suser == '\0') |
| 384 | suser = pwd->pw_name; |
| 385 | else if (!okname(suser)) |
| 386 | continue; |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 387 | snprintf(bp, len, |
| 388 | "%s%s -x -o'FallBackToRsh no' -n " |
| 389 | "-l %s %s %s %s '%s%s%s:%s'", |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 390 | ssh_program, verbose_mode ? " -v" : "", |
| 391 | suser, host, cmd, src, |
| 392 | tuser ? tuser : "", tuser ? "@" : "", |
| 393 | thost, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 394 | } else { |
| 395 | host = cleanhostname(argv[i]); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 396 | snprintf(bp, len, |
| 397 | "exec %s%s -x -o'FallBackToRsh no' -n %s " |
| 398 | "%s %s '%s%s%s:%s'", |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 399 | ssh_program, verbose_mode ? " -v" : "", |
| 400 | host, cmd, src, |
| 401 | tuser ? tuser : "", tuser ? "@" : "", |
| 402 | thost, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 403 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 404 | if (verbose_mode) |
| 405 | fprintf(stderr, "Executing: %s\n", bp); |
| 406 | (void) system(bp); |
| 407 | (void) xfree(bp); |
| 408 | } else { /* local to remote */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 409 | if (remin == -1) { |
| 410 | len = strlen(targ) + CMDNEEDS + 20; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 411 | bp = xmalloc(len); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 412 | (void) snprintf(bp, len, "%s -t %s", cmd, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 413 | host = cleanhostname(thost); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 414 | if (do_cmd(host, tuser, bp, &remin, |
| 415 | &remout, argc) < 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 416 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 417 | if (response() < 0) |
| 418 | exit(1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 419 | (void) xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 420 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 421 | source(1, argv + i); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 422 | } |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | void |
| 427 | tolocal(argc, argv) |
| 428 | int argc; |
| 429 | char *argv[]; |
| 430 | { |
| 431 | int i, len; |
| 432 | char *bp, *host, *src, *suser; |
| 433 | |
| 434 | for (i = 0; i < argc - 1; i++) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 435 | if (!(src = colon(argv[i]))) { /* Local to local. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 436 | len = strlen(_PATH_CP) + strlen(argv[i]) + |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 437 | strlen(argv[argc - 1]) + 20; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 438 | bp = xmalloc(len); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 439 | (void) snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP, |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 440 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
| 441 | argv[i], argv[argc - 1]); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 442 | if (verbose_mode) |
| 443 | fprintf(stderr, "Executing: %s\n", bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 444 | if (system(bp)) |
| 445 | ++errs; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 446 | (void) xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 447 | continue; |
| 448 | } |
| 449 | *src++ = 0; |
| 450 | if (*src == 0) |
| 451 | src = "."; |
| 452 | if ((host = strchr(argv[i], '@')) == NULL) { |
| 453 | host = argv[i]; |
| 454 | suser = NULL; |
| 455 | } else { |
| 456 | *host++ = 0; |
| 457 | suser = argv[i]; |
| 458 | if (*suser == '\0') |
| 459 | suser = pwd->pw_name; |
| 460 | else if (!okname(suser)) |
| 461 | continue; |
| 462 | } |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 463 | host = cleanhostname(host); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 464 | len = strlen(src) + CMDNEEDS + 20; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 465 | bp = xmalloc(len); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 466 | (void) snprintf(bp, len, "%s -f %s", cmd, src); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 467 | if (do_cmd(host, suser, bp, &remin, &remout, argc) < 0) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 468 | (void) xfree(bp); |
| 469 | ++errs; |
| 470 | continue; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 471 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 472 | xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 473 | sink(1, argv + argc - 1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 474 | (void) close(remin); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 475 | remin = remout = -1; |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | void |
| 480 | source(argc, argv) |
| 481 | int argc; |
| 482 | char *argv[]; |
| 483 | { |
| 484 | struct stat stb; |
| 485 | static BUF buffer; |
| 486 | BUF *bp; |
Ben Lindstrom | 4eda71d | 2001-04-22 17:13:20 +0000 | [diff] [blame] | 487 | off_t i, amt, result; |
| 488 | int fd, haderr, indx; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 489 | char *last, *name, buf[2048]; |
Ben Lindstrom | d47cf4d | 2001-04-07 01:14:38 +0000 | [diff] [blame] | 490 | int len; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 491 | |
| 492 | for (indx = 0; indx < argc; ++indx) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 493 | name = argv[indx]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 494 | statbytes = 0; |
Ben Lindstrom | d47cf4d | 2001-04-07 01:14:38 +0000 | [diff] [blame] | 495 | len = strlen(name); |
| 496 | while (len > 1 && name[len-1] == '/') |
| 497 | name[--len] = '\0'; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 498 | if ((fd = open(name, O_RDONLY, 0)) < 0) |
| 499 | goto syserr; |
| 500 | if (fstat(fd, &stb) < 0) { |
| 501 | syserr: run_err("%s: %s", name, strerror(errno)); |
| 502 | goto next; |
| 503 | } |
| 504 | switch (stb.st_mode & S_IFMT) { |
| 505 | case S_IFREG: |
| 506 | break; |
| 507 | case S_IFDIR: |
| 508 | if (iamrecursive) { |
| 509 | rsource(name, &stb); |
| 510 | goto next; |
| 511 | } |
| 512 | /* FALLTHROUGH */ |
| 513 | default: |
| 514 | run_err("%s: not a regular file", name); |
| 515 | goto next; |
| 516 | } |
| 517 | if ((last = strrchr(name, '/')) == NULL) |
| 518 | last = name; |
| 519 | else |
| 520 | ++last; |
| 521 | curfile = last; |
| 522 | if (pflag) { |
| 523 | /* |
| 524 | * Make it compatible with possible future |
| 525 | * versions expecting microseconds. |
| 526 | */ |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 527 | (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 528 | (u_long) stb.st_mtime, |
| 529 | (u_long) stb.st_atime); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 530 | (void) atomicio(write, remout, buf, strlen(buf)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 531 | if (response() < 0) |
| 532 | goto next; |
| 533 | } |
| 534 | #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) |
Damien Miller | 753b1c0 | 2001-03-19 12:56:14 +1100 | [diff] [blame] | 535 | #ifdef HAVE_LONG_LONG_INT |
Ben Lindstrom | a4c5766 | 2001-03-17 00:10:20 +0000 | [diff] [blame] | 536 | snprintf(buf, sizeof buf, "C%04o %lld %s\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 537 | (u_int) (stb.st_mode & FILEMODEMASK), |
Ben Lindstrom | fea7278 | 2001-03-17 18:07:46 +0000 | [diff] [blame] | 538 | (long long) stb.st_size, last); |
Damien Miller | ffd0e10 | 2001-03-19 12:45:02 +1100 | [diff] [blame] | 539 | #else |
| 540 | /* XXX: Handle integer overflow? */ |
Ben Lindstrom | 8feff45 | 2001-03-19 03:09:40 +0000 | [diff] [blame] | 541 | snprintf(buf, sizeof buf, "C%04o %lu %s\n", |
Damien Miller | ffd0e10 | 2001-03-19 12:45:02 +1100 | [diff] [blame] | 542 | (u_int) (stb.st_mode & FILEMODEMASK), |
Ben Lindstrom | 8feff45 | 2001-03-19 03:09:40 +0000 | [diff] [blame] | 543 | (u_long) stb.st_size, last); |
Damien Miller | ffd0e10 | 2001-03-19 12:45:02 +1100 | [diff] [blame] | 544 | #endif |
| 545 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 546 | if (verbose_mode) { |
| 547 | fprintf(stderr, "Sending file modes: %s", buf); |
| 548 | fflush(stderr); |
| 549 | } |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 550 | (void) atomicio(write, remout, buf, strlen(buf)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 551 | if (response() < 0) |
| 552 | goto next; |
| 553 | if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 554 | next: (void) close(fd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 555 | continue; |
| 556 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 557 | if (showprogress) { |
| 558 | totalbytes = stb.st_size; |
| 559 | progressmeter(-1); |
| 560 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 561 | /* Keep writing after an error so that we stay sync'd up. */ |
| 562 | for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { |
| 563 | amt = bp->cnt; |
| 564 | if (i + amt > stb.st_size) |
| 565 | amt = stb.st_size - i; |
| 566 | if (!haderr) { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 567 | result = atomicio(read, fd, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 568 | if (result != amt) |
| 569 | haderr = result >= 0 ? EIO : errno; |
| 570 | } |
| 571 | if (haderr) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 572 | (void) atomicio(write, remout, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 573 | else { |
Damien Miller | 864ea59 | 1999-12-15 11:04:25 +1100 | [diff] [blame] | 574 | result = atomicio(write, remout, 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 | statbytes += result; |
| 578 | } |
| 579 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 580 | if (showprogress) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 581 | progressmeter(1); |
| 582 | |
| 583 | if (close(fd) < 0 && !haderr) |
| 584 | haderr = errno; |
| 585 | if (!haderr) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 586 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 587 | else |
| 588 | run_err("%s: %s", name, strerror(haderr)); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 589 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 590 | } |
| 591 | } |
| 592 | |
| 593 | void |
| 594 | rsource(name, statp) |
| 595 | char *name; |
| 596 | struct stat *statp; |
| 597 | { |
| 598 | DIR *dirp; |
| 599 | struct dirent *dp; |
| 600 | char *last, *vect[1], path[1100]; |
| 601 | |
| 602 | if (!(dirp = opendir(name))) { |
| 603 | run_err("%s: %s", name, strerror(errno)); |
| 604 | return; |
| 605 | } |
| 606 | last = strrchr(name, '/'); |
| 607 | if (last == 0) |
| 608 | last = name; |
| 609 | else |
| 610 | last++; |
| 611 | if (pflag) { |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 612 | (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 613 | (u_long) statp->st_mtime, |
| 614 | (u_long) statp->st_atime); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 615 | (void) atomicio(write, remout, path, strlen(path)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 616 | if (response() < 0) { |
| 617 | closedir(dirp); |
| 618 | return; |
| 619 | } |
| 620 | } |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 621 | (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 622 | (u_int) (statp->st_mode & FILEMODEMASK), 0, last); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 623 | if (verbose_mode) |
| 624 | fprintf(stderr, "Entering directory: %s", path); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 625 | (void) atomicio(write, remout, path, strlen(path)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 626 | if (response() < 0) { |
| 627 | closedir(dirp); |
| 628 | return; |
| 629 | } |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 630 | while ((dp = readdir(dirp)) != NULL) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 631 | if (dp->d_ino == 0) |
| 632 | continue; |
| 633 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) |
| 634 | continue; |
| 635 | if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { |
| 636 | run_err("%s/%s: name too long", name, dp->d_name); |
| 637 | continue; |
| 638 | } |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 639 | (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 640 | vect[0] = path; |
| 641 | source(1, vect); |
| 642 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 643 | (void) closedir(dirp); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 644 | (void) atomicio(write, remout, "E\n", 2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 645 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 646 | } |
| 647 | |
| 648 | void |
| 649 | sink(argc, argv) |
| 650 | int argc; |
| 651 | char *argv[]; |
| 652 | { |
| 653 | static BUF buffer; |
| 654 | struct stat stb; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 655 | enum { |
| 656 | YES, NO, DISPLAYED |
| 657 | } wrerr; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 658 | BUF *bp; |
| 659 | off_t i, j; |
| 660 | int amt, count, exists, first, mask, mode, ofd, omode; |
Damien Miller | caf6dd6 | 2000-08-29 11:33:50 +1100 | [diff] [blame] | 661 | off_t size; |
| 662 | int setimes, targisdir, wrerrno = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 663 | char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; |
Damien Miller | 62cee00 | 2000-09-23 17:15:56 +1100 | [diff] [blame] | 664 | struct timeval tv[2]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 665 | |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 666 | #define atime tv[0] |
| 667 | #define mtime tv[1] |
Ben Lindstrom | 7d5ed3a | 2001-06-25 04:28:30 +0000 | [diff] [blame] | 668 | #define SCREWUP(str) do { why = str; goto screwup; } while (0) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 669 | |
| 670 | setimes = targisdir = 0; |
| 671 | mask = umask(0); |
| 672 | if (!pflag) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 673 | (void) umask(mask); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 674 | if (argc != 1) { |
| 675 | run_err("ambiguous target"); |
| 676 | exit(1); |
| 677 | } |
| 678 | targ = *argv; |
| 679 | if (targetshouldbedirectory) |
| 680 | verifydir(targ); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 681 | |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 682 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 683 | if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) |
| 684 | targisdir = 1; |
| 685 | for (first = 1;; first = 0) { |
| 686 | cp = buf; |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 687 | if (atomicio(read, remin, cp, 1) <= 0) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 688 | return; |
| 689 | if (*cp++ == '\n') |
| 690 | SCREWUP("unexpected <newline>"); |
| 691 | do { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 692 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 693 | SCREWUP("lost connection"); |
| 694 | *cp++ = ch; |
| 695 | } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); |
| 696 | *cp = 0; |
| 697 | |
| 698 | if (buf[0] == '\01' || buf[0] == '\02') { |
| 699 | if (iamremote == 0) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 700 | (void) atomicio(write, STDERR_FILENO, |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 701 | buf + 1, strlen(buf + 1)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 702 | if (buf[0] == '\02') |
| 703 | exit(1); |
| 704 | ++errs; |
| 705 | continue; |
| 706 | } |
| 707 | if (buf[0] == 'E') { |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 708 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 709 | return; |
| 710 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 711 | if (ch == '\n') |
| 712 | *--cp = 0; |
| 713 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 714 | cp = buf; |
| 715 | if (*cp == 'T') { |
| 716 | setimes++; |
| 717 | cp++; |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 718 | mtime.tv_sec = strtol(cp, &cp, 10); |
| 719 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 720 | SCREWUP("mtime.sec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 721 | mtime.tv_usec = strtol(cp, &cp, 10); |
| 722 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 723 | SCREWUP("mtime.usec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 724 | atime.tv_sec = strtol(cp, &cp, 10); |
| 725 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 726 | SCREWUP("atime.sec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 727 | atime.tv_usec = strtol(cp, &cp, 10); |
| 728 | if (!cp || *cp++ != '\0') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 729 | SCREWUP("atime.usec not delimited"); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 730 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 731 | continue; |
| 732 | } |
| 733 | if (*cp != 'C' && *cp != 'D') { |
| 734 | /* |
| 735 | * Check for the case "rcp remote:foo\* local:bar". |
| 736 | * In this case, the line "No match." can be returned |
| 737 | * by the shell before the rcp command on the remote is |
| 738 | * executed so the ^Aerror_message convention isn't |
| 739 | * followed. |
| 740 | */ |
| 741 | if (first) { |
| 742 | run_err("%s", cp); |
| 743 | exit(1); |
| 744 | } |
| 745 | SCREWUP("expected control record"); |
| 746 | } |
| 747 | mode = 0; |
| 748 | for (++cp; cp < buf + 5; cp++) { |
| 749 | if (*cp < '0' || *cp > '7') |
| 750 | SCREWUP("bad mode"); |
| 751 | mode = (mode << 3) | (*cp - '0'); |
| 752 | } |
| 753 | if (*cp++ != ' ') |
| 754 | SCREWUP("mode not delimited"); |
| 755 | |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 756 | for (size = 0; isdigit(*cp);) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 757 | size = size * 10 + (*cp++ - '0'); |
| 758 | if (*cp++ != ' ') |
| 759 | SCREWUP("size not delimited"); |
| 760 | if (targisdir) { |
| 761 | static char *namebuf; |
| 762 | static int cursize; |
| 763 | size_t need; |
| 764 | |
| 765 | need = strlen(targ) + strlen(cp) + 250; |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 766 | if (need > cursize) { |
| 767 | if (namebuf) |
| 768 | xfree(namebuf); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 769 | namebuf = xmalloc(need); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 770 | cursize = need; |
| 771 | } |
| 772 | (void) snprintf(namebuf, need, "%s%s%s", targ, |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 773 | *targ ? "/" : "", cp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 774 | np = namebuf; |
| 775 | } else |
| 776 | np = targ; |
| 777 | curfile = cp; |
| 778 | exists = stat(np, &stb) == 0; |
| 779 | if (buf[0] == 'D') { |
| 780 | int mod_flag = pflag; |
| 781 | if (exists) { |
| 782 | if (!S_ISDIR(stb.st_mode)) { |
| 783 | errno = ENOTDIR; |
| 784 | goto bad; |
| 785 | } |
| 786 | if (pflag) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 787 | (void) chmod(np, mode); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 788 | } else { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 789 | /* Handle copying from a read-only |
| 790 | directory */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 791 | mod_flag = 1; |
| 792 | if (mkdir(np, mode | S_IRWXU) < 0) |
| 793 | goto bad; |
| 794 | } |
Ben Lindstrom | 550bc54 | 2001-02-10 21:50:00 +0000 | [diff] [blame] | 795 | vect[0] = xstrdup(np); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 796 | sink(1, vect); |
| 797 | if (setimes) { |
| 798 | setimes = 0; |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 799 | if (utimes(vect[0], tv) < 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 800 | run_err("%s: set times: %s", |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 801 | vect[0], strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 802 | } |
| 803 | if (mod_flag) |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 804 | (void) chmod(vect[0], mode); |
| 805 | if (vect[0]) |
| 806 | xfree(vect[0]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 807 | continue; |
| 808 | } |
| 809 | omode = mode; |
| 810 | mode |= S_IWRITE; |
Ben Lindstrom | 7bad55b | 2001-06-05 19:31:41 +0000 | [diff] [blame] | 811 | if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 812 | bad: run_err("%s: %s", np, strerror(errno)); |
| 813 | continue; |
| 814 | } |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 815 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 816 | if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 817 | (void) close(ofd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 818 | continue; |
| 819 | } |
| 820 | cp = bp->buf; |
| 821 | wrerr = NO; |
| 822 | |
| 823 | if (showprogress) { |
| 824 | totalbytes = size; |
| 825 | progressmeter(-1); |
| 826 | } |
| 827 | statbytes = 0; |
| 828 | for (count = i = 0; i < size; i += 4096) { |
| 829 | amt = 4096; |
| 830 | if (i + amt > size) |
| 831 | amt = size - i; |
| 832 | count += amt; |
| 833 | do { |
Damien Miller | 69b69aa | 2000-10-28 14:19:58 +1100 | [diff] [blame] | 834 | j = read(remin, cp, amt); |
Ben Lindstrom | 2772a3f | 2001-08-06 21:17:12 +0000 | [diff] [blame] | 835 | if (j == -1 && (errno == EINTR || |
| 836 | errno == EAGAIN)) { |
Damien Miller | 69b69aa | 2000-10-28 14:19:58 +1100 | [diff] [blame] | 837 | continue; |
| 838 | } else if (j <= 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 839 | run_err("%s", j ? strerror(errno) : |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 840 | "dropped connection"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 841 | exit(1); |
| 842 | } |
| 843 | amt -= j; |
| 844 | cp += j; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 845 | statbytes += j; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 846 | } while (amt > 0); |
| 847 | if (count == bp->cnt) { |
| 848 | /* Keep reading so we stay sync'd up. */ |
| 849 | if (wrerr == NO) { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 850 | j = atomicio(write, ofd, bp->buf, count); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 851 | if (j != count) { |
| 852 | wrerr = YES; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 853 | wrerrno = j >= 0 ? EIO : errno; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 854 | } |
| 855 | } |
| 856 | count = 0; |
| 857 | cp = bp->buf; |
| 858 | } |
| 859 | } |
| 860 | if (showprogress) |
| 861 | progressmeter(1); |
| 862 | if (count != 0 && wrerr == NO && |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 863 | (j = atomicio(write, ofd, bp->buf, count)) != count) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 864 | wrerr = YES; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 865 | wrerrno = j >= 0 ? EIO : errno; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 866 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 867 | if (ftruncate(ofd, size)) { |
| 868 | run_err("%s: truncate: %s", np, strerror(errno)); |
| 869 | wrerr = DISPLAYED; |
| 870 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 871 | if (pflag) { |
| 872 | if (exists || omode != mode) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 873 | #ifdef HAVE_FCHMOD |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 874 | if (fchmod(ofd, omode)) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 875 | #else /* HAVE_FCHMOD */ |
| 876 | if (chmod(np, omode)) |
| 877 | #endif /* HAVE_FCHMOD */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 878 | run_err("%s: set mode: %s", |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 879 | np, strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 880 | } else { |
| 881 | if (!exists && omode != mode) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 882 | #ifdef HAVE_FCHMOD |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 883 | if (fchmod(ofd, omode & ~mask)) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 884 | #else /* HAVE_FCHMOD */ |
| 885 | if (chmod(np, omode & ~mask)) |
| 886 | #endif /* HAVE_FCHMOD */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 887 | run_err("%s: set mode: %s", |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 888 | np, strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 889 | } |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 890 | if (close(ofd) == -1) { |
| 891 | wrerr = YES; |
| 892 | wrerrno = errno; |
| 893 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 894 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 895 | if (setimes && wrerr == NO) { |
| 896 | setimes = 0; |
Damien Miller | 62cee00 | 2000-09-23 17:15:56 +1100 | [diff] [blame] | 897 | if (utimes(np, tv) < 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 898 | run_err("%s: set times: %s", |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 899 | np, strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 900 | wrerr = DISPLAYED; |
| 901 | } |
| 902 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 903 | switch (wrerr) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 904 | case YES: |
| 905 | run_err("%s: %s", np, strerror(wrerrno)); |
| 906 | break; |
| 907 | case NO: |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 908 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 909 | break; |
| 910 | case DISPLAYED: |
| 911 | break; |
| 912 | } |
| 913 | } |
| 914 | screwup: |
| 915 | run_err("protocol error: %s", why); |
| 916 | exit(1); |
| 917 | } |
| 918 | |
| 919 | int |
| 920 | response() |
| 921 | { |
| 922 | char ch, *cp, resp, rbuf[2048]; |
| 923 | |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 924 | if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 925 | lostconn(0); |
| 926 | |
| 927 | cp = rbuf; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 928 | switch (resp) { |
| 929 | case 0: /* ok */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 930 | return (0); |
| 931 | default: |
| 932 | *cp++ = resp; |
| 933 | /* FALLTHROUGH */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 934 | case 1: /* error, followed by error msg */ |
| 935 | case 2: /* fatal error, "" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 936 | do { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 937 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 938 | lostconn(0); |
| 939 | *cp++ = ch; |
| 940 | } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); |
| 941 | |
| 942 | if (!iamremote) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 943 | (void) atomicio(write, STDERR_FILENO, rbuf, cp - rbuf); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 944 | ++errs; |
| 945 | if (resp == 1) |
| 946 | return (-1); |
| 947 | exit(1); |
| 948 | } |
| 949 | /* NOTREACHED */ |
| 950 | } |
| 951 | |
| 952 | void |
| 953 | usage() |
| 954 | { |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 955 | (void) fprintf(stderr, "usage: scp " |
Ben Lindstrom | dc00c93 | 2001-07-18 16:50:33 +0000 | [diff] [blame] | 956 | "[-pqrvBC46] [-S ssh] [-P port] [-c cipher] [-i identity] " |
| 957 | "[-o option] f1 f2\n" |
Ben Lindstrom | ff2618c | 2001-03-29 00:43:54 +0000 | [diff] [blame] | 958 | " or: scp [options] f1 ... fn directory\n"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 959 | exit(1); |
| 960 | } |
| 961 | |
| 962 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 963 | run_err(const char *fmt,...) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 964 | { |
| 965 | static FILE *fp; |
| 966 | va_list ap; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 967 | |
| 968 | ++errs; |
| 969 | if (fp == NULL && !(fp = fdopen(remout, "w"))) |
| 970 | return; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 971 | (void) fprintf(fp, "%c", 0x01); |
| 972 | (void) fprintf(fp, "scp: "); |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 973 | va_start(ap, fmt); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 974 | (void) vfprintf(fp, fmt, ap); |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 975 | va_end(ap); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 976 | (void) fprintf(fp, "\n"); |
| 977 | (void) fflush(fp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 978 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 979 | if (!iamremote) { |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 980 | va_start(ap, fmt); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 981 | vfprintf(stderr, fmt, ap); |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 982 | va_end(ap); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 983 | fprintf(stderr, "\n"); |
| 984 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 985 | } |
| 986 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 987 | void |
| 988 | verifydir(cp) |
| 989 | char *cp; |
| 990 | { |
| 991 | struct stat stb; |
| 992 | |
| 993 | if (!stat(cp, &stb)) { |
| 994 | if (S_ISDIR(stb.st_mode)) |
| 995 | return; |
| 996 | errno = ENOTDIR; |
| 997 | } |
| 998 | run_err("%s: %s", cp, strerror(errno)); |
| 999 | exit(1); |
| 1000 | } |
| 1001 | |
| 1002 | int |
| 1003 | okname(cp0) |
| 1004 | char *cp0; |
| 1005 | { |
| 1006 | int c; |
| 1007 | char *cp; |
| 1008 | |
| 1009 | cp = cp0; |
| 1010 | do { |
Ben Lindstrom | 7d5ed3a | 2001-06-25 04:28:30 +0000 | [diff] [blame] | 1011 | c = (int)*cp; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1012 | if (c & 0200) |
| 1013 | goto bad; |
Kevin Steves | 8daed18 | 2000-12-16 19:21:03 +0000 | [diff] [blame] | 1014 | if (!isalpha(c) && !isdigit(c) && |
| 1015 | c != '_' && c != '-' && c != '.' && c != '+') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1016 | goto bad; |
| 1017 | } while (*++cp); |
| 1018 | return (1); |
| 1019 | |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 1020 | bad: fprintf(stderr, "%s: invalid user name\n", cp0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1021 | return (0); |
| 1022 | } |
| 1023 | |
| 1024 | BUF * |
| 1025 | allocbuf(bp, fd, blksize) |
| 1026 | BUF *bp; |
| 1027 | int fd, blksize; |
| 1028 | { |
| 1029 | size_t size; |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 1030 | #ifdef HAVE_ST_BLKSIZE |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1031 | struct stat stb; |
| 1032 | |
| 1033 | if (fstat(fd, &stb) < 0) { |
| 1034 | run_err("fstat: %s", strerror(errno)); |
| 1035 | return (0); |
| 1036 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1037 | if (stb.st_blksize == 0) |
| 1038 | size = blksize; |
| 1039 | else |
| 1040 | size = blksize + (stb.st_blksize - blksize % stb.st_blksize) % |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 1041 | stb.st_blksize; |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 1042 | #else /* HAVE_ST_BLKSIZE */ |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 1043 | size = blksize; |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 1044 | #endif /* HAVE_ST_BLKSIZE */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1045 | if (bp->cnt >= size) |
| 1046 | return (bp); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1047 | if (bp->buf == NULL) |
| 1048 | bp->buf = xmalloc(size); |
| 1049 | else |
| 1050 | bp->buf = xrealloc(bp->buf, size); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1051 | bp->cnt = size; |
| 1052 | return (bp); |
| 1053 | } |
| 1054 | |
| 1055 | void |
| 1056 | lostconn(signo) |
| 1057 | int signo; |
| 1058 | { |
| 1059 | if (!iamremote) |
Ben Lindstrom | 738f51e | 2001-06-21 03:08:58 +0000 | [diff] [blame] | 1060 | write(STDERR_FILENO, "lost connection\n", 16); |
| 1061 | if (signo) |
| 1062 | _exit(1); |
| 1063 | else |
| 1064 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1065 | } |
| 1066 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1067 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 1068 | static void |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1069 | alarmtimer(int wait) |
| 1070 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1071 | struct itimerval itv; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1072 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1073 | itv.it_value.tv_sec = wait; |
| 1074 | itv.it_value.tv_usec = 0; |
| 1075 | itv.it_interval = itv.it_value; |
| 1076 | setitimer(ITIMER_REAL, &itv, NULL); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1077 | } |
| 1078 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 1079 | static void |
Damien Miller | 7684ee1 | 2000-03-17 23:40:15 +1100 | [diff] [blame] | 1080 | updateprogressmeter(int ignore) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1081 | { |
| 1082 | int save_errno = errno; |
| 1083 | |
| 1084 | progressmeter(0); |
| 1085 | errno = save_errno; |
| 1086 | } |
| 1087 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 1088 | static int |
Ben Lindstrom | 31ca54a | 2001-02-09 02:11:24 +0000 | [diff] [blame] | 1089 | foregroundproc(void) |
Damien Miller | 81428f9 | 1999-11-18 09:28:11 +1100 | [diff] [blame] | 1090 | { |
| 1091 | static pid_t pgrp = -1; |
| 1092 | int ctty_pgrp; |
| 1093 | |
| 1094 | if (pgrp == -1) |
| 1095 | pgrp = getpgrp(); |
| 1096 | |
Ben Lindstrom | dd5c5a3 | 2001-02-02 18:58:33 +0000 | [diff] [blame] | 1097 | #ifdef HAVE_TCGETPGRP |
Damien Miller | bac2d8a | 2000-09-05 16:13:06 +1100 | [diff] [blame] | 1098 | return ((ctty_pgrp = tcgetpgrp(STDOUT_FILENO)) != -1 && |
| 1099 | ctty_pgrp == pgrp); |
| 1100 | #else |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1101 | return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 && |
| 1102 | ctty_pgrp == pgrp)); |
Damien Miller | bac2d8a | 2000-09-05 16:13:06 +1100 | [diff] [blame] | 1103 | #endif |
Damien Miller | 81428f9 | 1999-11-18 09:28:11 +1100 | [diff] [blame] | 1104 | } |
| 1105 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1106 | void |
| 1107 | progressmeter(int flag) |
| 1108 | { |
| 1109 | static const char prefixes[] = " KMGTP"; |
| 1110 | static struct timeval lastupdate; |
| 1111 | static off_t lastsize; |
| 1112 | struct timeval now, td, wait; |
| 1113 | off_t cursize, abbrevsize; |
| 1114 | double elapsed; |
Damien Miller | 7c64ba3 | 1999-11-11 21:39:50 +1100 | [diff] [blame] | 1115 | int ratio, barlength, i, remaining; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1116 | char buf[256]; |
| 1117 | |
| 1118 | if (flag == -1) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1119 | (void) gettimeofday(&start, (struct timezone *) 0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1120 | lastupdate = start; |
| 1121 | lastsize = 0; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1122 | } |
Damien Miller | 81428f9 | 1999-11-18 09:28:11 +1100 | [diff] [blame] | 1123 | if (foregroundproc() == 0) |
| 1124 | return; |
| 1125 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1126 | (void) gettimeofday(&now, (struct timezone *) 0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1127 | cursize = statbytes; |
Damien Miller | a2d6efe | 1999-11-13 13:22:46 +1100 | [diff] [blame] | 1128 | if (totalbytes != 0) { |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 1129 | ratio = 100.0 * cursize / totalbytes; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1130 | ratio = MAX(ratio, 0); |
| 1131 | ratio = MIN(ratio, 100); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1132 | } else |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1133 | ratio = 100; |
| 1134 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1135 | snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1136 | |
| 1137 | barlength = getttywidth() - 51; |
Damien Miller | 484118e | 2000-07-02 19:13:56 +1000 | [diff] [blame] | 1138 | barlength = (barlength <= MAX_BARLENGTH)?barlength:MAX_BARLENGTH; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1139 | if (barlength > 0) { |
| 1140 | i = barlength * ratio / 100; |
| 1141 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
Damien Miller | 484118e | 2000-07-02 19:13:56 +1000 | [diff] [blame] | 1142 | "|%.*s%*s|", i, BAR, barlength - i, ""); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1143 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1144 | i = 0; |
| 1145 | abbrevsize = cursize; |
| 1146 | while (abbrevsize >= 100000 && i < sizeof(prefixes)) { |
| 1147 | i++; |
| 1148 | abbrevsize >>= 10; |
| 1149 | } |
Kevin Steves | adf74cd | 2001-02-05 14:22:50 +0000 | [diff] [blame] | 1150 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5lu %c%c ", |
Kevin Steves | d2e0d7d | 2001-02-11 14:19:40 +0000 | [diff] [blame] | 1151 | (unsigned long) abbrevsize, prefixes[i], |
| 1152 | prefixes[i] == ' ' ? ' ' : 'B'); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1153 | |
| 1154 | timersub(&now, &lastupdate, &wait); |
| 1155 | if (cursize > lastsize) { |
| 1156 | lastupdate = now; |
| 1157 | lastsize = cursize; |
| 1158 | if (wait.tv_sec >= STALLTIME) { |
| 1159 | start.tv_sec += wait.tv_sec; |
| 1160 | start.tv_usec += wait.tv_usec; |
| 1161 | } |
| 1162 | wait.tv_sec = 0; |
| 1163 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1164 | timersub(&now, &start, &td); |
| 1165 | elapsed = td.tv_sec + (td.tv_usec / 1000000.0); |
| 1166 | |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 1167 | if (flag != 1 && |
| 1168 | (statbytes <= 0 || elapsed <= 0.0 || cursize > totalbytes)) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1169 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 1170 | " --:-- ETA"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1171 | } else if (wait.tv_sec >= STALLTIME) { |
| 1172 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 1173 | " - stalled -"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1174 | } else { |
Damien Miller | 8bb73be | 2000-04-19 16:26:12 +1000 | [diff] [blame] | 1175 | if (flag != 1) |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 1176 | remaining = (int)(totalbytes / (statbytes / elapsed) - |
| 1177 | elapsed); |
Damien Miller | 8bb73be | 2000-04-19 16:26:12 +1000 | [diff] [blame] | 1178 | else |
| 1179 | remaining = elapsed; |
| 1180 | |
Damien Miller | 01ab4a2 | 1999-10-28 15:23:30 +1000 | [diff] [blame] | 1181 | i = remaining / 3600; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1182 | if (i) |
| 1183 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 1184 | "%2d:", i); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1185 | else |
| 1186 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 1187 | " "); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1188 | i = remaining % 3600; |
| 1189 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 1190 | "%02d:%02d%s", i / 60, i % 60, |
| 1191 | (flag != 1) ? " ETA" : " "); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1192 | } |
| 1193 | atomicio(write, fileno(stdout), buf, strlen(buf)); |
| 1194 | |
| 1195 | if (flag == -1) { |
Kevin Steves | 93c17d9 | 2001-02-18 03:55:16 +0000 | [diff] [blame] | 1196 | mysignal(SIGALRM, updateprogressmeter); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1197 | alarmtimer(1); |
| 1198 | } else if (flag == 1) { |
| 1199 | alarmtimer(0); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 1200 | atomicio(write, fileno(stdout), "\n", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1201 | statbytes = 0; |
| 1202 | } |
| 1203 | } |
| 1204 | |
| 1205 | int |
| 1206 | getttywidth(void) |
| 1207 | { |
| 1208 | struct winsize winsize; |
| 1209 | |
| 1210 | if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1211 | return (winsize.ws_col ? winsize.ws_col : 80); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1212 | else |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1213 | return (80); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1214 | } |