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" |
Damien Miller | 86b781c | 2003-01-10 21:44:48 +1100 | [diff] [blame^] | 78 | RCSID("$OpenBSD: scp.c,v 1.98 2003/01/10 10:29:35 djm 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 | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 85 | #include "progressmeter.h" |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 86 | |
Ben Lindstrom | 49a79c0 | 2000-11-17 03:47:20 +0000 | [diff] [blame] | 87 | #ifdef HAVE___PROGNAME |
| 88 | extern char *__progname; |
| 89 | #else |
| 90 | char *__progname; |
| 91 | #endif |
| 92 | |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 93 | /* Struct for addargs */ |
| 94 | arglist args; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 95 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 96 | /* Name of current file being transferred. */ |
| 97 | char *curfile; |
| 98 | |
| 99 | /* This is set to non-zero to enable verbose mode. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 100 | int verbose_mode = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 101 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 102 | /* This is set to zero if the progressmeter is not desired. */ |
| 103 | int showprogress = 1; |
| 104 | |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 105 | /* 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] | 106 | char *ssh_program = _PATH_SSH_PROGRAM; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 107 | |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 108 | /* This is used to store the pid of ssh_program */ |
| 109 | pid_t do_cmd_pid; |
| 110 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 111 | /* |
| 112 | * This function executes the given command as the specified user on the |
| 113 | * given host. This returns < 0 if execution fails, and >= 0 otherwise. This |
| 114 | * assigns the input and output file descriptors on success. |
| 115 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 116 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 117 | int |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 118 | 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] | 119 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 120 | int pin[2], pout[2], reserved[2]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 121 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 122 | if (verbose_mode) |
Ben Lindstrom | 2772a3f | 2001-08-06 21:17:12 +0000 | [diff] [blame] | 123 | fprintf(stderr, |
| 124 | "Executing: program %s host %s, user %s, command %s\n", |
| 125 | ssh_program, host, |
| 126 | remuser ? remuser : "(unspecified)", cmd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 127 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 128 | /* |
| 129 | * Reserve two descriptors so that the real pipes won't get |
| 130 | * descriptors 0 and 1 because that will screw up dup2 below. |
| 131 | */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 132 | pipe(reserved); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 133 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 134 | /* Create a socket pair for communicating with ssh. */ |
| 135 | if (pipe(pin) < 0) |
| 136 | fatal("pipe: %s", strerror(errno)); |
| 137 | if (pipe(pout) < 0) |
| 138 | fatal("pipe: %s", strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 139 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 140 | /* Free the reserved descriptors. */ |
| 141 | close(reserved[0]); |
| 142 | close(reserved[1]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 143 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 144 | /* 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] | 145 | do_cmd_pid = fork(); |
| 146 | if (do_cmd_pid == 0) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 147 | /* Child. */ |
| 148 | close(pin[1]); |
| 149 | close(pout[0]); |
| 150 | dup2(pin[0], 0); |
| 151 | dup2(pout[1], 1); |
| 152 | close(pin[0]); |
| 153 | close(pout[1]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 154 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 155 | args.list[0] = ssh_program; |
| 156 | if (remuser != NULL) |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 157 | addargs(&args, "-l%s", remuser); |
| 158 | addargs(&args, "%s", host); |
| 159 | addargs(&args, "%s", cmd); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 160 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 161 | execvp(ssh_program, args.list); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 162 | perror(ssh_program); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 163 | exit(1); |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 164 | } else if (do_cmd_pid == -1) { |
| 165 | fatal("fork: %s", strerror(errno)); |
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 | /* Parent. Close the other side, and return the local side. */ |
| 168 | close(pin[0]); |
| 169 | *fdout = pin[1]; |
| 170 | close(pout[1]); |
| 171 | *fdin = pout[0]; |
| 172 | return 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 173 | } |
| 174 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 175 | typedef struct { |
| 176 | int cnt; |
| 177 | char *buf; |
| 178 | } BUF; |
| 179 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 180 | BUF *allocbuf(BUF *, int, int); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 181 | void lostconn(int); |
| 182 | void nospace(void); |
| 183 | int okname(char *); |
| 184 | void run_err(const char *,...); |
| 185 | void verifydir(char *); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 186 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 187 | struct passwd *pwd; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 188 | uid_t userid; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 189 | int errs, remin, remout; |
| 190 | int pflag, iamremote, iamrecursive, targetshouldbedirectory; |
| 191 | |
| 192 | #define CMDNEEDS 64 |
| 193 | char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ |
| 194 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 195 | int response(void); |
| 196 | void rsource(char *, struct stat *); |
| 197 | void sink(int, char *[]); |
| 198 | void source(int, char *[]); |
| 199 | void tolocal(int, char *[]); |
| 200 | void toremote(char *, int, char *[]); |
| 201 | void usage(void); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 202 | |
| 203 | int |
| 204 | main(argc, argv) |
| 205 | int argc; |
| 206 | char *argv[]; |
| 207 | { |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 208 | int ch, fflag, tflag, status; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 209 | char *targ; |
| 210 | extern char *optarg; |
| 211 | extern int optind; |
| 212 | |
Ben Lindstrom | 49a79c0 | 2000-11-17 03:47:20 +0000 | [diff] [blame] | 213 | __progname = get_progname(argv[0]); |
| 214 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 215 | args.list = NULL; |
Ben Lindstrom | cb72e4f | 2002-06-21 00:41:51 +0000 | [diff] [blame] | 216 | addargs(&args, "ssh"); /* overwritten with ssh_program */ |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 217 | addargs(&args, "-x"); |
Ben Lindstrom | 4213c55 | 2001-09-12 18:45:09 +0000 | [diff] [blame] | 218 | addargs(&args, "-oForwardAgent no"); |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 219 | addargs(&args, "-oClearAllForwardings yes"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 220 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 221 | fflag = tflag = 0; |
Ben Lindstrom | 1e24324 | 2001-09-18 05:38:44 +0000 | [diff] [blame] | 222 | while ((ch = getopt(argc, argv, "dfprtvBCc:i:P:q46S:o:F:")) != -1) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 223 | switch (ch) { |
| 224 | /* User-visible flags. */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 225 | case '4': |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 226 | case '6': |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 227 | case 'C': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 228 | addargs(&args, "-%c", ch); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 229 | break; |
| 230 | case 'o': |
| 231 | case 'c': |
| 232 | case 'i': |
Ben Lindstrom | 1e24324 | 2001-09-18 05:38:44 +0000 | [diff] [blame] | 233 | case 'F': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 234 | addargs(&args, "-%c%s", ch, optarg); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 235 | break; |
| 236 | case 'P': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 237 | addargs(&args, "-p%s", optarg); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 238 | break; |
| 239 | case 'B': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 240 | addargs(&args, "-oBatchmode yes"); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 241 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 242 | case 'p': |
| 243 | pflag = 1; |
| 244 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 245 | case 'r': |
| 246 | iamrecursive = 1; |
| 247 | break; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 248 | case 'S': |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 249 | ssh_program = xstrdup(optarg); |
| 250 | break; |
| 251 | case 'v': |
Ben Lindstrom | 9cc9464 | 2001-06-09 01:15:11 +0000 | [diff] [blame] | 252 | addargs(&args, "-v"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 253 | verbose_mode = 1; |
| 254 | break; |
| 255 | case 'q': |
| 256 | showprogress = 0; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 257 | break; |
| 258 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 259 | /* Server options. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 260 | case 'd': |
| 261 | targetshouldbedirectory = 1; |
| 262 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 263 | case 'f': /* "from" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 264 | iamremote = 1; |
| 265 | fflag = 1; |
| 266 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 267 | case 't': /* "to" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 268 | iamremote = 1; |
| 269 | tflag = 1; |
Damien Miller | 402b331 | 2001-04-14 00:28:42 +1000 | [diff] [blame] | 270 | #ifdef HAVE_CYGWIN |
| 271 | setmode(0, O_BINARY); |
| 272 | #endif |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 273 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 274 | default: |
| 275 | usage(); |
| 276 | } |
| 277 | argc -= optind; |
| 278 | argv += optind; |
| 279 | |
| 280 | if ((pwd = getpwuid(userid = getuid())) == NULL) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 281 | fatal("unknown user %d", (int) userid); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 282 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 283 | if (!isatty(STDERR_FILENO)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 284 | showprogress = 0; |
| 285 | |
| 286 | remin = STDIN_FILENO; |
| 287 | remout = STDOUT_FILENO; |
| 288 | |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 289 | if (fflag) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 290 | /* Follow "protocol", send data. */ |
| 291 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 292 | source(argc, argv); |
| 293 | exit(errs != 0); |
| 294 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 295 | if (tflag) { |
| 296 | /* Receive data. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 297 | sink(argc, argv); |
| 298 | exit(errs != 0); |
| 299 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 300 | if (argc < 2) |
| 301 | usage(); |
| 302 | if (argc > 2) |
| 303 | targetshouldbedirectory = 1; |
| 304 | |
| 305 | remin = remout = -1; |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 306 | do_cmd_pid = -1; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 307 | /* Command to be executed on remote system using "ssh". */ |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 308 | (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", |
| 309 | verbose_mode ? " -v" : "", |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 310 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
| 311 | targetshouldbedirectory ? " -d" : ""); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 312 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 313 | (void) signal(SIGPIPE, lostconn); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 314 | |
| 315 | if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ |
| 316 | toremote(targ, argc, argv); |
| 317 | else { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 318 | tolocal(argc, argv); /* Dest is local host. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 319 | if (targetshouldbedirectory) |
| 320 | verifydir(argv[argc - 1]); |
| 321 | } |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 322 | /* |
| 323 | * Finally check the exit status of the ssh process, if one was forked |
| 324 | * and no error has occured yet |
| 325 | */ |
| 326 | if (do_cmd_pid != -1 && errs == 0) { |
| 327 | if (remin != -1) |
| 328 | (void) close(remin); |
| 329 | if (remout != -1) |
| 330 | (void) close(remout); |
| 331 | if (waitpid(do_cmd_pid, &status, 0) == -1) |
| 332 | errs = 1; |
| 333 | else { |
| 334 | if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) |
| 335 | errs = 1; |
| 336 | } |
| 337 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 338 | exit(errs != 0); |
| 339 | } |
| 340 | |
| 341 | void |
| 342 | toremote(targ, argc, argv) |
| 343 | char *targ, *argv[]; |
| 344 | int argc; |
| 345 | { |
| 346 | int i, len; |
| 347 | char *bp, *host, *src, *suser, *thost, *tuser; |
| 348 | |
| 349 | *targ++ = 0; |
| 350 | if (*targ == 0) |
| 351 | targ = "."; |
| 352 | |
Ben Lindstrom | c276c12 | 2002-12-23 02:14:51 +0000 | [diff] [blame] | 353 | if ((thost = strrchr(argv[argc - 1], '@'))) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 354 | /* user@host */ |
| 355 | *thost++ = 0; |
| 356 | tuser = argv[argc - 1]; |
| 357 | if (*tuser == '\0') |
| 358 | tuser = NULL; |
| 359 | else if (!okname(tuser)) |
| 360 | exit(1); |
| 361 | } else { |
| 362 | thost = argv[argc - 1]; |
| 363 | tuser = NULL; |
| 364 | } |
| 365 | |
| 366 | for (i = 0; i < argc - 1; i++) { |
| 367 | src = colon(argv[i]); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 368 | if (src) { /* remote to remote */ |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 369 | static char *ssh_options = |
Ben Lindstrom | af0c6d6 | 2002-06-09 20:06:29 +0000 | [diff] [blame] | 370 | "-x -o'ClearAllForwardings yes'"; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 371 | *src++ = 0; |
| 372 | if (*src == 0) |
| 373 | src = "."; |
Ben Lindstrom | c276c12 | 2002-12-23 02:14:51 +0000 | [diff] [blame] | 374 | host = strrchr(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) + |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 377 | strlen(thost) + strlen(targ) + |
| 378 | strlen(ssh_options) + CMDNEEDS + 20; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 379 | bp = xmalloc(len); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 380 | if (host) { |
| 381 | *host++ = 0; |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 382 | host = cleanhostname(host); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 383 | suser = argv[i]; |
| 384 | if (*suser == '\0') |
| 385 | suser = pwd->pw_name; |
| 386 | else if (!okname(suser)) |
| 387 | continue; |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 388 | snprintf(bp, len, |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 389 | "%s%s %s -n " |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 390 | "-l %s %s %s %s '%s%s%s:%s'", |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 391 | ssh_program, verbose_mode ? " -v" : "", |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 392 | ssh_options, suser, host, cmd, src, |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 393 | tuser ? tuser : "", tuser ? "@" : "", |
| 394 | thost, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 395 | } else { |
| 396 | host = cleanhostname(argv[i]); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 397 | snprintf(bp, len, |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 398 | "exec %s%s %s -n %s " |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 399 | "%s %s '%s%s%s:%s'", |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 400 | ssh_program, verbose_mode ? " -v" : "", |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 401 | ssh_options, host, cmd, src, |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 402 | tuser ? tuser : "", tuser ? "@" : "", |
| 403 | thost, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 404 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 405 | if (verbose_mode) |
| 406 | fprintf(stderr, "Executing: %s\n", bp); |
| 407 | (void) system(bp); |
| 408 | (void) xfree(bp); |
| 409 | } else { /* local to remote */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 410 | if (remin == -1) { |
| 411 | len = strlen(targ) + CMDNEEDS + 20; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 412 | bp = xmalloc(len); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 413 | (void) snprintf(bp, len, "%s -t %s", cmd, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 414 | host = cleanhostname(thost); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 415 | if (do_cmd(host, tuser, bp, &remin, |
| 416 | &remout, argc) < 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 417 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 418 | if (response() < 0) |
| 419 | exit(1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 420 | (void) xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 421 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 422 | source(1, argv + i); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 423 | } |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | void |
| 428 | tolocal(argc, argv) |
| 429 | int argc; |
| 430 | char *argv[]; |
| 431 | { |
| 432 | int i, len; |
| 433 | char *bp, *host, *src, *suser; |
| 434 | |
| 435 | for (i = 0; i < argc - 1; i++) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 436 | if (!(src = colon(argv[i]))) { /* Local to local. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 437 | len = strlen(_PATH_CP) + strlen(argv[i]) + |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 438 | strlen(argv[argc - 1]) + 20; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 439 | bp = xmalloc(len); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 440 | (void) snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP, |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 441 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
| 442 | argv[i], argv[argc - 1]); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 443 | if (verbose_mode) |
| 444 | fprintf(stderr, "Executing: %s\n", bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 445 | if (system(bp)) |
| 446 | ++errs; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 447 | (void) xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 448 | continue; |
| 449 | } |
| 450 | *src++ = 0; |
| 451 | if (*src == 0) |
| 452 | src = "."; |
Ben Lindstrom | c276c12 | 2002-12-23 02:14:51 +0000 | [diff] [blame] | 453 | if ((host = strrchr(argv[i], '@')) == NULL) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 454 | host = argv[i]; |
| 455 | suser = NULL; |
| 456 | } else { |
| 457 | *host++ = 0; |
| 458 | suser = argv[i]; |
| 459 | if (*suser == '\0') |
| 460 | suser = pwd->pw_name; |
| 461 | else if (!okname(suser)) |
| 462 | continue; |
| 463 | } |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 464 | host = cleanhostname(host); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 465 | len = strlen(src) + CMDNEEDS + 20; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 466 | bp = xmalloc(len); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 467 | (void) snprintf(bp, len, "%s -f %s", cmd, src); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 468 | if (do_cmd(host, suser, bp, &remin, &remout, argc) < 0) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 469 | (void) xfree(bp); |
| 470 | ++errs; |
| 471 | continue; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 472 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 473 | xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 474 | sink(1, argv + argc - 1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 475 | (void) close(remin); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 476 | remin = remout = -1; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | void |
| 481 | source(argc, argv) |
| 482 | int argc; |
| 483 | char *argv[]; |
| 484 | { |
| 485 | struct stat stb; |
| 486 | static BUF buffer; |
| 487 | BUF *bp; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 488 | off_t i, amt, result, statbytes; |
Ben Lindstrom | 4eda71d | 2001-04-22 17:13:20 +0000 | [diff] [blame] | 489 | int fd, haderr, indx; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 490 | char *last, *name, buf[2048]; |
Ben Lindstrom | d47cf4d | 2001-04-07 01:14:38 +0000 | [diff] [blame] | 491 | int len; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 492 | |
| 493 | for (indx = 0; indx < argc; ++indx) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 494 | name = argv[indx]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 495 | statbytes = 0; |
Ben Lindstrom | d47cf4d | 2001-04-07 01:14:38 +0000 | [diff] [blame] | 496 | len = strlen(name); |
| 497 | while (len > 1 && name[len-1] == '/') |
| 498 | name[--len] = '\0'; |
Ben Lindstrom | 3e45e4c | 2001-10-03 17:30:58 +0000 | [diff] [blame] | 499 | if (strchr(name, '\n') != NULL) { |
| 500 | run_err("%s: skipping, filename contains a newline", |
| 501 | name); |
| 502 | goto next; |
| 503 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 504 | if ((fd = open(name, O_RDONLY, 0)) < 0) |
| 505 | goto syserr; |
| 506 | if (fstat(fd, &stb) < 0) { |
| 507 | syserr: run_err("%s: %s", name, strerror(errno)); |
| 508 | goto next; |
| 509 | } |
| 510 | switch (stb.st_mode & S_IFMT) { |
| 511 | case S_IFREG: |
| 512 | break; |
| 513 | case S_IFDIR: |
| 514 | if (iamrecursive) { |
| 515 | rsource(name, &stb); |
| 516 | goto next; |
| 517 | } |
| 518 | /* FALLTHROUGH */ |
| 519 | default: |
| 520 | run_err("%s: not a regular file", name); |
| 521 | goto next; |
| 522 | } |
| 523 | if ((last = strrchr(name, '/')) == NULL) |
| 524 | last = name; |
| 525 | else |
| 526 | ++last; |
| 527 | curfile = last; |
| 528 | if (pflag) { |
| 529 | /* |
| 530 | * Make it compatible with possible future |
| 531 | * versions expecting microseconds. |
| 532 | */ |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 533 | (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 534 | (u_long) stb.st_mtime, |
| 535 | (u_long) stb.st_atime); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 536 | (void) atomicio(write, remout, buf, strlen(buf)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 537 | if (response() < 0) |
| 538 | goto next; |
| 539 | } |
| 540 | #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) |
Damien Miller | 753b1c0 | 2001-03-19 12:56:14 +1100 | [diff] [blame] | 541 | #ifdef HAVE_LONG_LONG_INT |
Ben Lindstrom | a4c5766 | 2001-03-17 00:10:20 +0000 | [diff] [blame] | 542 | snprintf(buf, sizeof buf, "C%04o %lld %s\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 543 | (u_int) (stb.st_mode & FILEMODEMASK), |
Kevin Steves | 399ec97 | 2002-03-05 18:59:45 +0000 | [diff] [blame] | 544 | (long long)stb.st_size, last); |
Damien Miller | ffd0e10 | 2001-03-19 12:45:02 +1100 | [diff] [blame] | 545 | #else |
| 546 | /* XXX: Handle integer overflow? */ |
Ben Lindstrom | 8feff45 | 2001-03-19 03:09:40 +0000 | [diff] [blame] | 547 | snprintf(buf, sizeof buf, "C%04o %lu %s\n", |
Damien Miller | ffd0e10 | 2001-03-19 12:45:02 +1100 | [diff] [blame] | 548 | (u_int) (stb.st_mode & FILEMODEMASK), |
Ben Lindstrom | 8feff45 | 2001-03-19 03:09:40 +0000 | [diff] [blame] | 549 | (u_long) stb.st_size, last); |
Damien Miller | ffd0e10 | 2001-03-19 12:45:02 +1100 | [diff] [blame] | 550 | #endif |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 551 | if (verbose_mode) { |
| 552 | fprintf(stderr, "Sending file modes: %s", buf); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 553 | } |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 554 | (void) atomicio(write, remout, buf, strlen(buf)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 555 | if (response() < 0) |
| 556 | goto next; |
| 557 | if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 558 | next: (void) close(fd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 559 | continue; |
| 560 | } |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 561 | if (showprogress) |
| 562 | start_progress_meter(curfile, stb.st_size, &statbytes); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 563 | /* Keep writing after an error so that we stay sync'd up. */ |
| 564 | for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { |
| 565 | amt = bp->cnt; |
| 566 | if (i + amt > stb.st_size) |
| 567 | amt = stb.st_size - i; |
| 568 | if (!haderr) { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 569 | result = atomicio(read, fd, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 570 | if (result != amt) |
| 571 | haderr = result >= 0 ? EIO : errno; |
| 572 | } |
| 573 | if (haderr) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 574 | (void) atomicio(write, remout, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 575 | else { |
Damien Miller | 864ea59 | 1999-12-15 11:04:25 +1100 | [diff] [blame] | 576 | result = atomicio(write, remout, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 577 | if (result != amt) |
| 578 | haderr = result >= 0 ? EIO : errno; |
| 579 | statbytes += result; |
| 580 | } |
| 581 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 582 | if (showprogress) |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 583 | stop_progress_meter(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 584 | |
| 585 | if (close(fd) < 0 && !haderr) |
| 586 | haderr = errno; |
| 587 | if (!haderr) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 588 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 589 | else |
| 590 | run_err("%s: %s", name, strerror(haderr)); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 591 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 592 | } |
| 593 | } |
| 594 | |
| 595 | void |
| 596 | rsource(name, statp) |
| 597 | char *name; |
| 598 | struct stat *statp; |
| 599 | { |
| 600 | DIR *dirp; |
| 601 | struct dirent *dp; |
| 602 | char *last, *vect[1], path[1100]; |
| 603 | |
| 604 | if (!(dirp = opendir(name))) { |
| 605 | run_err("%s: %s", name, strerror(errno)); |
| 606 | return; |
| 607 | } |
| 608 | last = strrchr(name, '/'); |
| 609 | if (last == 0) |
| 610 | last = name; |
| 611 | else |
| 612 | last++; |
| 613 | if (pflag) { |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 614 | (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 615 | (u_long) statp->st_mtime, |
| 616 | (u_long) statp->st_atime); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 617 | (void) atomicio(write, remout, path, strlen(path)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 618 | if (response() < 0) { |
| 619 | closedir(dirp); |
| 620 | return; |
| 621 | } |
| 622 | } |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 623 | (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 624 | (u_int) (statp->st_mode & FILEMODEMASK), 0, last); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 625 | if (verbose_mode) |
| 626 | fprintf(stderr, "Entering directory: %s", path); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 627 | (void) atomicio(write, remout, path, strlen(path)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 628 | if (response() < 0) { |
| 629 | closedir(dirp); |
| 630 | return; |
| 631 | } |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 632 | while ((dp = readdir(dirp)) != NULL) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 633 | if (dp->d_ino == 0) |
| 634 | continue; |
| 635 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) |
| 636 | continue; |
| 637 | if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { |
| 638 | run_err("%s/%s: name too long", name, dp->d_name); |
| 639 | continue; |
| 640 | } |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 641 | (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 642 | vect[0] = path; |
| 643 | source(1, vect); |
| 644 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 645 | (void) closedir(dirp); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 646 | (void) atomicio(write, remout, "E\n", 2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 647 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 648 | } |
| 649 | |
| 650 | void |
| 651 | sink(argc, argv) |
| 652 | int argc; |
| 653 | char *argv[]; |
| 654 | { |
| 655 | static BUF buffer; |
| 656 | struct stat stb; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 657 | enum { |
| 658 | YES, NO, DISPLAYED |
| 659 | } wrerr; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 660 | BUF *bp; |
| 661 | off_t i, j; |
| 662 | int amt, count, exists, first, mask, mode, ofd, omode; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 663 | off_t size, statbytes; |
Damien Miller | caf6dd6 | 2000-08-29 11:33:50 +1100 | [diff] [blame] | 664 | int setimes, targisdir, wrerrno = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 665 | char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; |
Damien Miller | 62cee00 | 2000-09-23 17:15:56 +1100 | [diff] [blame] | 666 | struct timeval tv[2]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 667 | |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 668 | #define atime tv[0] |
| 669 | #define mtime tv[1] |
Ben Lindstrom | 7d5ed3a | 2001-06-25 04:28:30 +0000 | [diff] [blame] | 670 | #define SCREWUP(str) do { why = str; goto screwup; } while (0) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 671 | |
| 672 | setimes = targisdir = 0; |
| 673 | mask = umask(0); |
| 674 | if (!pflag) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 675 | (void) umask(mask); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 676 | if (argc != 1) { |
| 677 | run_err("ambiguous target"); |
| 678 | exit(1); |
| 679 | } |
| 680 | targ = *argv; |
| 681 | if (targetshouldbedirectory) |
| 682 | verifydir(targ); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 683 | |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 684 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 685 | if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) |
| 686 | targisdir = 1; |
| 687 | for (first = 1;; first = 0) { |
| 688 | cp = buf; |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 689 | if (atomicio(read, remin, cp, 1) <= 0) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 690 | return; |
| 691 | if (*cp++ == '\n') |
| 692 | SCREWUP("unexpected <newline>"); |
| 693 | do { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 694 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 695 | SCREWUP("lost connection"); |
| 696 | *cp++ = ch; |
| 697 | } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); |
| 698 | *cp = 0; |
| 699 | |
| 700 | if (buf[0] == '\01' || buf[0] == '\02') { |
| 701 | if (iamremote == 0) |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 702 | (void) atomicio(write, STDERR_FILENO, |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 703 | buf + 1, strlen(buf + 1)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 704 | if (buf[0] == '\02') |
| 705 | exit(1); |
| 706 | ++errs; |
| 707 | continue; |
| 708 | } |
| 709 | if (buf[0] == 'E') { |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 710 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 711 | return; |
| 712 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 713 | if (ch == '\n') |
| 714 | *--cp = 0; |
| 715 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 716 | cp = buf; |
| 717 | if (*cp == 'T') { |
| 718 | setimes++; |
| 719 | cp++; |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 720 | mtime.tv_sec = strtol(cp, &cp, 10); |
| 721 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 722 | SCREWUP("mtime.sec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 723 | mtime.tv_usec = strtol(cp, &cp, 10); |
| 724 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 725 | SCREWUP("mtime.usec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 726 | atime.tv_sec = strtol(cp, &cp, 10); |
| 727 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 728 | SCREWUP("atime.sec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 729 | atime.tv_usec = strtol(cp, &cp, 10); |
| 730 | if (!cp || *cp++ != '\0') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 731 | SCREWUP("atime.usec not delimited"); |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 732 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 733 | continue; |
| 734 | } |
| 735 | if (*cp != 'C' && *cp != 'D') { |
| 736 | /* |
| 737 | * Check for the case "rcp remote:foo\* local:bar". |
| 738 | * In this case, the line "No match." can be returned |
| 739 | * by the shell before the rcp command on the remote is |
| 740 | * executed so the ^Aerror_message convention isn't |
| 741 | * followed. |
| 742 | */ |
| 743 | if (first) { |
| 744 | run_err("%s", cp); |
| 745 | exit(1); |
| 746 | } |
| 747 | SCREWUP("expected control record"); |
| 748 | } |
| 749 | mode = 0; |
| 750 | for (++cp; cp < buf + 5; cp++) { |
| 751 | if (*cp < '0' || *cp > '7') |
| 752 | SCREWUP("bad mode"); |
| 753 | mode = (mode << 3) | (*cp - '0'); |
| 754 | } |
| 755 | if (*cp++ != ' ') |
| 756 | SCREWUP("mode not delimited"); |
| 757 | |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 758 | for (size = 0; isdigit(*cp);) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 759 | size = size * 10 + (*cp++ - '0'); |
| 760 | if (*cp++ != ' ') |
| 761 | SCREWUP("size not delimited"); |
| 762 | if (targisdir) { |
| 763 | static char *namebuf; |
| 764 | static int cursize; |
| 765 | size_t need; |
| 766 | |
| 767 | need = strlen(targ) + strlen(cp) + 250; |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 768 | if (need > cursize) { |
| 769 | if (namebuf) |
| 770 | xfree(namebuf); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 771 | namebuf = xmalloc(need); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 772 | cursize = need; |
| 773 | } |
| 774 | (void) snprintf(namebuf, need, "%s%s%s", targ, |
Ben Lindstrom | de3895d | 2002-04-06 18:29:59 +0000 | [diff] [blame] | 775 | strcmp(targ, "/") ? "/" : "", cp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 776 | np = namebuf; |
| 777 | } else |
| 778 | np = targ; |
| 779 | curfile = cp; |
| 780 | exists = stat(np, &stb) == 0; |
| 781 | if (buf[0] == 'D') { |
| 782 | int mod_flag = pflag; |
| 783 | if (exists) { |
| 784 | if (!S_ISDIR(stb.st_mode)) { |
| 785 | errno = ENOTDIR; |
| 786 | goto bad; |
| 787 | } |
| 788 | if (pflag) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 789 | (void) chmod(np, mode); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 790 | } else { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 791 | /* Handle copying from a read-only |
| 792 | directory */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 793 | mod_flag = 1; |
| 794 | if (mkdir(np, mode | S_IRWXU) < 0) |
| 795 | goto bad; |
| 796 | } |
Ben Lindstrom | 550bc54 | 2001-02-10 21:50:00 +0000 | [diff] [blame] | 797 | vect[0] = xstrdup(np); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 798 | sink(1, vect); |
| 799 | if (setimes) { |
| 800 | setimes = 0; |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 801 | if (utimes(vect[0], tv) < 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 802 | run_err("%s: set times: %s", |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 803 | vect[0], strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 804 | } |
| 805 | if (mod_flag) |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 806 | (void) chmod(vect[0], mode); |
| 807 | if (vect[0]) |
| 808 | xfree(vect[0]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 809 | continue; |
| 810 | } |
| 811 | omode = mode; |
| 812 | mode |= S_IWRITE; |
Ben Lindstrom | 7bad55b | 2001-06-05 19:31:41 +0000 | [diff] [blame] | 813 | if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 814 | bad: run_err("%s: %s", np, strerror(errno)); |
| 815 | continue; |
| 816 | } |
Damien Miller | 35dabd0 | 2000-05-01 21:10:33 +1000 | [diff] [blame] | 817 | (void) atomicio(write, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 818 | if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 819 | (void) close(ofd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 820 | continue; |
| 821 | } |
| 822 | cp = bp->buf; |
| 823 | wrerr = NO; |
| 824 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 825 | statbytes = 0; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 826 | if (showprogress) |
| 827 | start_progress_meter(curfile, size, &statbytes); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 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) |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 861 | stop_progress_meter(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 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 | 86b781c | 2003-01-10 21:44:48 +1100 | [diff] [blame^] | 867 | if (wrerr == NO && ftruncate(ofd, size) != 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 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 |
Ben Lindstrom | 3c36bb2 | 2001-12-06 17:55:26 +0000 | [diff] [blame] | 920 | response(void) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 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 |
Ben Lindstrom | 3c36bb2 | 2001-12-06 17:55:26 +0000 | [diff] [blame] | 953 | usage(void) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 954 | { |
Ben Lindstrom | 1e24324 | 2001-09-18 05:38:44 +0000 | [diff] [blame] | 955 | (void) fprintf(stderr, |
Ben Lindstrom | 45933dd | 2002-06-21 00:10:58 +0000 | [diff] [blame] | 956 | "usage: scp [-pqrvBC46] [-F config] [-S program] [-P port]\n" |
| 957 | " [-c cipher] [-i identity] [-o option]\n" |
| 958 | " [[user@]host1:]file1 [...] [[user@]host2:]file2\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) && |
Ben Lindstrom | c276c12 | 2002-12-23 02:14:51 +0000 | [diff] [blame] | 1015 | c != '@' && 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; |
Tim Rice | 13aae5e | 2001-10-21 17:53:58 -0700 | [diff] [blame] | 1030 | #ifdef HAVE_STRUCT_STAT_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 | } |
Ben Lindstrom | 418e078 | 2002-12-23 02:22:09 +0000 | [diff] [blame] | 1037 | size = roundup(stb.st_blksize, blksize); |
| 1038 | if (size == 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1039 | size = blksize; |
Tim Rice | 13aae5e | 2001-10-21 17:53:58 -0700 | [diff] [blame] | 1040 | #else /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 1041 | size = blksize; |
Tim Rice | 13aae5e | 2001-10-21 17:53:58 -0700 | [diff] [blame] | 1042 | #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1043 | if (bp->cnt >= size) |
| 1044 | return (bp); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1045 | if (bp->buf == NULL) |
| 1046 | bp->buf = xmalloc(size); |
| 1047 | else |
| 1048 | bp->buf = xrealloc(bp->buf, size); |
Ben Lindstrom | 5fccbc2 | 2001-09-12 17:49:48 +0000 | [diff] [blame] | 1049 | memset(bp->buf, 0, size); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1050 | bp->cnt = size; |
| 1051 | return (bp); |
| 1052 | } |
| 1053 | |
| 1054 | void |
| 1055 | lostconn(signo) |
| 1056 | int signo; |
| 1057 | { |
| 1058 | if (!iamremote) |
Ben Lindstrom | 738f51e | 2001-06-21 03:08:58 +0000 | [diff] [blame] | 1059 | write(STDERR_FILENO, "lost connection\n", 16); |
| 1060 | if (signo) |
| 1061 | _exit(1); |
| 1062 | else |
| 1063 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1064 | } |