Damien Miller | 57cf638 | 2006-07-10 21:13:46 +1000 | [diff] [blame^] | 1 | /* $OpenBSD: scp.c,v 1.144 2006/07/09 15:15:10 stevesk Exp $ */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2 | /* |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 3 | * scp - secure remote copy. This is basically patched BSD rcp which |
| 4 | * uses ssh to do the data transfer (instead of using rcmd). |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 5 | * |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 6 | * NOTE: This version should NOT be suid root. (This uses ssh to |
| 7 | * do the transfer and ssh has the necessary privileges.) |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 8 | * |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 9 | * 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi> |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 10 | * |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 11 | * As far as I am concerned, the code I have written for this software |
| 12 | * can be used freely for any purpose. Any derived versions of this |
| 13 | * software must be clearly marked as such, and if the derived work is |
| 14 | * incompatible with the protocol description in the RFC file, it must be |
| 15 | * called by a name other than "ssh" or "Secure Shell". |
| 16 | */ |
| 17 | /* |
Ben Lindstrom | 92a2e38 | 2001-03-05 06:59:27 +0000 | [diff] [blame] | 18 | * Copyright (c) 1999 Theo de Raadt. All rights reserved. |
| 19 | * Copyright (c) 1999 Aaron Campbell. All rights reserved. |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 20 | * |
| 21 | * Redistribution and use in source and binary forms, with or without |
| 22 | * modification, are permitted provided that the following conditions |
| 23 | * are met: |
| 24 | * 1. Redistributions of source code must retain the above copyright |
| 25 | * notice, this list of conditions and the following disclaimer. |
| 26 | * 2. Redistributions in binary form must reproduce the above copyright |
| 27 | * notice, this list of conditions and the following disclaimer in the |
| 28 | * documentation and/or other materials provided with the distribution. |
| 29 | * |
| 30 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 31 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 32 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 33 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 34 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 35 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 36 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 37 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 38 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 39 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 40 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 41 | |
| 42 | /* |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 43 | * Parts from: |
| 44 | * |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 45 | * Copyright (c) 1983, 1990, 1992, 1993, 1995 |
| 46 | * The Regents of the University of California. All rights reserved. |
| 47 | * |
| 48 | * Redistribution and use in source and binary forms, with or without |
| 49 | * modification, are permitted provided that the following conditions |
| 50 | * are met: |
| 51 | * 1. Redistributions of source code must retain the above copyright |
| 52 | * notice, this list of conditions and the following disclaimer. |
| 53 | * 2. Redistributions in binary form must reproduce the above copyright |
| 54 | * notice, this list of conditions and the following disclaimer in the |
| 55 | * documentation and/or other materials provided with the distribution. |
Damien Miller | dafb12e | 2003-06-03 13:06:18 +1000 | [diff] [blame] | 56 | * 3. Neither the name of the University nor the names of its contributors |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 57 | * may be used to endorse or promote products derived from this software |
| 58 | * without specific prior written permission. |
| 59 | * |
| 60 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 61 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 62 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 63 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 64 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 65 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 66 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 67 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 68 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 69 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 70 | * SUCH DAMAGE. |
| 71 | * |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 72 | */ |
| 73 | |
| 74 | #include "includes.h" |
Damien Miller | 9cf6d07 | 2006-03-15 11:29:24 +1100 | [diff] [blame] | 75 | |
| 76 | #include <sys/types.h> |
Damien Miller | f17883e | 2006-03-15 11:45:54 +1100 | [diff] [blame] | 77 | #ifdef HAVE_SYS_STAT_H |
| 78 | # include <sys/stat.h> |
| 79 | #endif |
Damien Miller | 9cf6d07 | 2006-03-15 11:29:24 +1100 | [diff] [blame] | 80 | #include <sys/wait.h> |
Damien Miller | 88f254b | 2006-03-15 11:25:13 +1100 | [diff] [blame] | 81 | |
Damien Miller | c7b0636 | 2006-03-15 11:53:45 +1100 | [diff] [blame] | 82 | #include <ctype.h> |
Damien Miller | 88f254b | 2006-03-15 11:25:13 +1100 | [diff] [blame] | 83 | #include <dirent.h> |
Damien Miller | 57cf638 | 2006-07-10 21:13:46 +1000 | [diff] [blame^] | 84 | #include <fcntl.h> |
Damien Miller | 9f2abc4 | 2006-07-10 20:53:08 +1000 | [diff] [blame] | 85 | #include <pwd.h> |
Damien Miller | 6ff3cad | 2006-03-15 11:52:09 +1100 | [diff] [blame] | 86 | #include <signal.h> |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 87 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 88 | #include "xmalloc.h" |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 89 | #include "atomicio.h" |
| 90 | #include "pathnames.h" |
| 91 | #include "log.h" |
Kevin Steves | 93c17d9 | 2001-02-18 03:55:16 +0000 | [diff] [blame] | 92 | #include "misc.h" |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 93 | #include "progressmeter.h" |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 94 | |
Ben Lindstrom | 49a79c0 | 2000-11-17 03:47:20 +0000 | [diff] [blame] | 95 | extern char *__progname; |
Ben Lindstrom | 49a79c0 | 2000-11-17 03:47:20 +0000 | [diff] [blame] | 96 | |
Damien Miller | 07aa132 | 2006-04-23 12:04:27 +1000 | [diff] [blame] | 97 | int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout); |
| 98 | |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 99 | void bwlimit(int); |
| 100 | |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 101 | /* Struct for addargs */ |
| 102 | arglist args; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 103 | |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 104 | /* Bandwidth limit */ |
Damien Miller | 4da295c | 2003-11-22 14:39:04 +1100 | [diff] [blame] | 105 | off_t limit_rate = 0; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 106 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 107 | /* Name of current file being transferred. */ |
| 108 | char *curfile; |
| 109 | |
| 110 | /* This is set to non-zero to enable verbose mode. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 111 | int verbose_mode = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 112 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 113 | /* This is set to zero if the progressmeter is not desired. */ |
| 114 | int showprogress = 1; |
| 115 | |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 116 | /* 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] | 117 | char *ssh_program = _PATH_SSH_PROGRAM; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 118 | |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 119 | /* This is used to store the pid of ssh_program */ |
Damien Miller | b69aaa8 | 2003-06-04 22:51:24 +1000 | [diff] [blame] | 120 | pid_t do_cmd_pid = -1; |
| 121 | |
| 122 | static void |
| 123 | killchild(int signo) |
| 124 | { |
Darren Tucker | ba66df8 | 2005-01-24 21:57:40 +1100 | [diff] [blame] | 125 | if (do_cmd_pid > 1) { |
Darren Tucker | fc4f2dd | 2005-06-01 23:01:12 +1000 | [diff] [blame] | 126 | kill(do_cmd_pid, signo ? signo : SIGTERM); |
Darren Tucker | ba66df8 | 2005-01-24 21:57:40 +1100 | [diff] [blame] | 127 | waitpid(do_cmd_pid, NULL, 0); |
| 128 | } |
Damien Miller | b69aaa8 | 2003-06-04 22:51:24 +1000 | [diff] [blame] | 129 | |
Darren Tucker | fc4f2dd | 2005-06-01 23:01:12 +1000 | [diff] [blame] | 130 | if (signo) |
| 131 | _exit(1); |
| 132 | exit(1); |
Damien Miller | b69aaa8 | 2003-06-04 22:51:24 +1000 | [diff] [blame] | 133 | } |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 134 | |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 135 | static int |
| 136 | do_local_cmd(arglist *a) |
| 137 | { |
| 138 | u_int i; |
| 139 | int status; |
| 140 | pid_t pid; |
| 141 | |
| 142 | if (a->num == 0) |
| 143 | fatal("do_local_cmd: no arguments"); |
| 144 | |
| 145 | if (verbose_mode) { |
| 146 | fprintf(stderr, "Executing:"); |
| 147 | for (i = 0; i < a->num; i++) |
| 148 | fprintf(stderr, " %s", a->list[i]); |
| 149 | fprintf(stderr, "\n"); |
| 150 | } |
| 151 | if ((pid = fork()) == -1) |
| 152 | fatal("do_local_cmd: fork: %s", strerror(errno)); |
| 153 | |
| 154 | if (pid == 0) { |
| 155 | execvp(a->list[0], a->list); |
| 156 | perror(a->list[0]); |
| 157 | exit(1); |
| 158 | } |
| 159 | |
| 160 | do_cmd_pid = pid; |
| 161 | signal(SIGTERM, killchild); |
| 162 | signal(SIGINT, killchild); |
| 163 | signal(SIGHUP, killchild); |
| 164 | |
| 165 | while (waitpid(pid, &status, 0) == -1) |
| 166 | if (errno != EINTR) |
| 167 | fatal("do_local_cmd: waitpid: %s", strerror(errno)); |
| 168 | |
| 169 | do_cmd_pid = -1; |
| 170 | |
| 171 | if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) |
| 172 | return (-1); |
| 173 | |
| 174 | return (0); |
| 175 | } |
| 176 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 177 | /* |
| 178 | * This function executes the given command as the specified user on the |
| 179 | * given host. This returns < 0 if execution fails, and >= 0 otherwise. This |
| 180 | * assigns the input and output file descriptors on success. |
| 181 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 182 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 183 | int |
Damien Miller | 07aa132 | 2006-04-23 12:04:27 +1000 | [diff] [blame] | 184 | do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 185 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 186 | int pin[2], pout[2], reserved[2]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 187 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 188 | if (verbose_mode) |
Ben Lindstrom | 2772a3f | 2001-08-06 21:17:12 +0000 | [diff] [blame] | 189 | fprintf(stderr, |
| 190 | "Executing: program %s host %s, user %s, command %s\n", |
| 191 | ssh_program, host, |
| 192 | remuser ? remuser : "(unspecified)", cmd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 193 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 194 | /* |
| 195 | * Reserve two descriptors so that the real pipes won't get |
| 196 | * descriptors 0 and 1 because that will screw up dup2 below. |
| 197 | */ |
Damien Miller | 40b5985 | 2006-06-13 13:00:25 +1000 | [diff] [blame] | 198 | if (pipe(reserved) < 0) |
| 199 | fatal("pipe: %s", strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 200 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 201 | /* Create a socket pair for communicating with ssh. */ |
| 202 | if (pipe(pin) < 0) |
| 203 | fatal("pipe: %s", strerror(errno)); |
| 204 | if (pipe(pout) < 0) |
| 205 | fatal("pipe: %s", strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 206 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 207 | /* Free the reserved descriptors. */ |
| 208 | close(reserved[0]); |
| 209 | close(reserved[1]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 210 | |
Damien Miller | b2cdcb5 | 2003-06-18 20:26:34 +1000 | [diff] [blame] | 211 | /* Fork a child to execute the command on the remote host using ssh. */ |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 212 | do_cmd_pid = fork(); |
| 213 | if (do_cmd_pid == 0) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 214 | /* Child. */ |
| 215 | close(pin[1]); |
| 216 | close(pout[0]); |
| 217 | dup2(pin[0], 0); |
| 218 | dup2(pout[1], 1); |
| 219 | close(pin[0]); |
| 220 | close(pout[1]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 221 | |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 222 | replacearg(&args, 0, "%s", ssh_program); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 223 | if (remuser != NULL) |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 224 | addargs(&args, "-l%s", remuser); |
| 225 | addargs(&args, "%s", host); |
| 226 | addargs(&args, "%s", cmd); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 227 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 228 | execvp(ssh_program, args.list); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 229 | perror(ssh_program); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 230 | exit(1); |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 231 | } else if (do_cmd_pid == -1) { |
| 232 | fatal("fork: %s", strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 233 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 234 | /* Parent. Close the other side, and return the local side. */ |
| 235 | close(pin[0]); |
| 236 | *fdout = pin[1]; |
| 237 | close(pout[1]); |
| 238 | *fdin = pout[0]; |
Damien Miller | b69aaa8 | 2003-06-04 22:51:24 +1000 | [diff] [blame] | 239 | signal(SIGTERM, killchild); |
| 240 | signal(SIGINT, killchild); |
| 241 | signal(SIGHUP, killchild); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 242 | return 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 243 | } |
| 244 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 245 | typedef struct { |
Damien Miller | eccb9de | 2005-06-17 12:59:34 +1000 | [diff] [blame] | 246 | size_t cnt; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 247 | char *buf; |
| 248 | } BUF; |
| 249 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 250 | BUF *allocbuf(BUF *, int, int); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 251 | void lostconn(int); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 252 | int okname(char *); |
| 253 | void run_err(const char *,...); |
| 254 | void verifydir(char *); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 255 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 256 | struct passwd *pwd; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 257 | uid_t userid; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 258 | int errs, remin, remout; |
| 259 | int pflag, iamremote, iamrecursive, targetshouldbedirectory; |
| 260 | |
| 261 | #define CMDNEEDS 64 |
| 262 | char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ |
| 263 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 264 | int response(void); |
| 265 | void rsource(char *, struct stat *); |
| 266 | void sink(int, char *[]); |
| 267 | void source(int, char *[]); |
| 268 | void tolocal(int, char *[]); |
| 269 | void toremote(char *, int, char *[]); |
| 270 | void usage(void); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 271 | |
| 272 | int |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 273 | main(int argc, char **argv) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 274 | { |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 275 | int ch, fflag, tflag, status; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 276 | double speed; |
| 277 | char *targ, *endp; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 278 | extern char *optarg; |
| 279 | extern int optind; |
| 280 | |
Darren Tucker | ce321d8 | 2005-10-03 18:11:24 +1000 | [diff] [blame] | 281 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
| 282 | sanitise_stdfd(); |
| 283 | |
Damien Miller | 59d3d5b | 2003-08-22 09:34:41 +1000 | [diff] [blame] | 284 | __progname = ssh_get_progname(argv[0]); |
Ben Lindstrom | 49a79c0 | 2000-11-17 03:47:20 +0000 | [diff] [blame] | 285 | |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 286 | memset(&args, '\0', sizeof(args)); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 287 | args.list = NULL; |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 288 | addargs(&args, "%s", ssh_program); |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 289 | addargs(&args, "-x"); |
Ben Lindstrom | 4213c55 | 2001-09-12 18:45:09 +0000 | [diff] [blame] | 290 | addargs(&args, "-oForwardAgent no"); |
Damien Miller | d27b947 | 2005-12-13 19:29:02 +1100 | [diff] [blame] | 291 | addargs(&args, "-oPermitLocalCommand no"); |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 292 | addargs(&args, "-oClearAllForwardings yes"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 293 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 294 | fflag = tflag = 0; |
Damien Miller | 8e12147 | 2003-01-24 11:37:38 +1100 | [diff] [blame] | 295 | while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246S:o:F:")) != -1) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 296 | switch (ch) { |
| 297 | /* User-visible flags. */ |
Damien Miller | 8e12147 | 2003-01-24 11:37:38 +1100 | [diff] [blame] | 298 | case '1': |
| 299 | case '2': |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 300 | case '4': |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 301 | case '6': |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 302 | case 'C': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 303 | addargs(&args, "-%c", ch); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 304 | break; |
| 305 | case 'o': |
| 306 | case 'c': |
| 307 | case 'i': |
Ben Lindstrom | 1e24324 | 2001-09-18 05:38:44 +0000 | [diff] [blame] | 308 | case 'F': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 309 | addargs(&args, "-%c%s", ch, optarg); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 310 | break; |
| 311 | case 'P': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 312 | addargs(&args, "-p%s", optarg); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 313 | break; |
| 314 | case 'B': |
Ben Lindstrom | 387c472 | 2001-05-08 20:27:25 +0000 | [diff] [blame] | 315 | addargs(&args, "-oBatchmode yes"); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 316 | break; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 317 | case 'l': |
| 318 | speed = strtod(optarg, &endp); |
| 319 | if (speed <= 0 || *endp != '\0') |
| 320 | usage(); |
Damien Miller | 4da295c | 2003-11-22 14:39:04 +1100 | [diff] [blame] | 321 | limit_rate = speed * 1024; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 322 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 323 | case 'p': |
| 324 | pflag = 1; |
| 325 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 326 | case 'r': |
| 327 | iamrecursive = 1; |
| 328 | break; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 329 | case 'S': |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 330 | ssh_program = xstrdup(optarg); |
| 331 | break; |
| 332 | case 'v': |
Ben Lindstrom | 9cc9464 | 2001-06-09 01:15:11 +0000 | [diff] [blame] | 333 | addargs(&args, "-v"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 334 | verbose_mode = 1; |
| 335 | break; |
| 336 | case 'q': |
Damien Miller | c1f2792 | 2003-11-17 21:19:05 +1100 | [diff] [blame] | 337 | addargs(&args, "-q"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 338 | showprogress = 0; |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 339 | break; |
| 340 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 341 | /* Server options. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 342 | case 'd': |
| 343 | targetshouldbedirectory = 1; |
| 344 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 345 | case 'f': /* "from" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 346 | iamremote = 1; |
| 347 | fflag = 1; |
| 348 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 349 | case 't': /* "to" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 350 | iamremote = 1; |
| 351 | tflag = 1; |
Damien Miller | 402b331 | 2001-04-14 00:28:42 +1000 | [diff] [blame] | 352 | #ifdef HAVE_CYGWIN |
| 353 | setmode(0, O_BINARY); |
| 354 | #endif |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 355 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 356 | default: |
| 357 | usage(); |
| 358 | } |
| 359 | argc -= optind; |
| 360 | argv += optind; |
| 361 | |
| 362 | if ((pwd = getpwuid(userid = getuid())) == NULL) |
Darren Tucker | 03a29ba | 2003-07-19 20:07:45 +1000 | [diff] [blame] | 363 | fatal("unknown user %u", (u_int) userid); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 364 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 365 | if (!isatty(STDERR_FILENO)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 366 | showprogress = 0; |
| 367 | |
| 368 | remin = STDIN_FILENO; |
| 369 | remout = STDOUT_FILENO; |
| 370 | |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 371 | if (fflag) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 372 | /* Follow "protocol", send data. */ |
| 373 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 374 | source(argc, argv); |
| 375 | exit(errs != 0); |
| 376 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 377 | if (tflag) { |
| 378 | /* Receive data. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 379 | sink(argc, argv); |
| 380 | exit(errs != 0); |
| 381 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 382 | if (argc < 2) |
| 383 | usage(); |
| 384 | if (argc > 2) |
| 385 | targetshouldbedirectory = 1; |
| 386 | |
| 387 | remin = remout = -1; |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 388 | do_cmd_pid = -1; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 389 | /* Command to be executed on remote system using "ssh". */ |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 390 | (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", |
| 391 | verbose_mode ? " -v" : "", |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 392 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
| 393 | targetshouldbedirectory ? " -d" : ""); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 394 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 395 | (void) signal(SIGPIPE, lostconn); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 396 | |
| 397 | if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ |
| 398 | toremote(targ, argc, argv); |
| 399 | else { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 400 | if (targetshouldbedirectory) |
| 401 | verifydir(argv[argc - 1]); |
Damien Miller | 923f1ce | 2006-01-31 22:11:37 +1100 | [diff] [blame] | 402 | tolocal(argc, argv); /* Dest is local host. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 403 | } |
Ben Lindstrom | 007eb91 | 2002-11-09 15:54:08 +0000 | [diff] [blame] | 404 | /* |
| 405 | * Finally check the exit status of the ssh process, if one was forked |
| 406 | * and no error has occured yet |
| 407 | */ |
| 408 | if (do_cmd_pid != -1 && errs == 0) { |
| 409 | if (remin != -1) |
| 410 | (void) close(remin); |
| 411 | if (remout != -1) |
| 412 | (void) close(remout); |
| 413 | if (waitpid(do_cmd_pid, &status, 0) == -1) |
| 414 | errs = 1; |
| 415 | else { |
| 416 | if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) |
| 417 | errs = 1; |
| 418 | } |
| 419 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 420 | exit(errs != 0); |
| 421 | } |
| 422 | |
| 423 | void |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 424 | toremote(char *targ, int argc, char **argv) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 425 | { |
Damien Miller | 3dae15c | 2005-04-03 10:16:11 +1000 | [diff] [blame] | 426 | char *bp, *host, *src, *suser, *thost, *tuser, *arg; |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 427 | arglist alist; |
Damien Miller | 07aa132 | 2006-04-23 12:04:27 +1000 | [diff] [blame] | 428 | int i; |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 429 | |
| 430 | memset(&alist, '\0', sizeof(alist)); |
| 431 | alist.list = NULL; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 432 | |
| 433 | *targ++ = 0; |
| 434 | if (*targ == 0) |
| 435 | targ = "."; |
| 436 | |
Damien Miller | 4942de5 | 2005-04-03 10:16:39 +1000 | [diff] [blame] | 437 | arg = xstrdup(argv[argc - 1]); |
Damien Miller | 3dae15c | 2005-04-03 10:16:11 +1000 | [diff] [blame] | 438 | if ((thost = strrchr(arg, '@'))) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 439 | /* user@host */ |
| 440 | *thost++ = 0; |
Damien Miller | 3dae15c | 2005-04-03 10:16:11 +1000 | [diff] [blame] | 441 | tuser = arg; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 442 | if (*tuser == '\0') |
| 443 | tuser = NULL; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 444 | } else { |
Damien Miller | 3dae15c | 2005-04-03 10:16:11 +1000 | [diff] [blame] | 445 | thost = arg; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 446 | tuser = NULL; |
| 447 | } |
| 448 | |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 449 | if (tuser != NULL && !okname(tuser)) { |
| 450 | xfree(arg); |
| 451 | return; |
| 452 | } |
| 453 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 454 | for (i = 0; i < argc - 1; i++) { |
| 455 | src = colon(argv[i]); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 456 | if (src) { /* remote to remote */ |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 457 | freeargs(&alist); |
| 458 | addargs(&alist, "%s", ssh_program); |
| 459 | if (verbose_mode) |
| 460 | addargs(&alist, "-v"); |
| 461 | addargs(&alist, "-x"); |
| 462 | addargs(&alist, "-oClearAllForwardings yes"); |
| 463 | addargs(&alist, "-n"); |
| 464 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 465 | *src++ = 0; |
| 466 | if (*src == 0) |
| 467 | src = "."; |
Ben Lindstrom | c276c12 | 2002-12-23 02:14:51 +0000 | [diff] [blame] | 468 | host = strrchr(argv[i], '@'); |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 469 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 470 | if (host) { |
| 471 | *host++ = 0; |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 472 | host = cleanhostname(host); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 473 | suser = argv[i]; |
| 474 | if (*suser == '\0') |
| 475 | suser = pwd->pw_name; |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 476 | else if (!okname(suser)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 477 | continue; |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 478 | addargs(&alist, "-l"); |
| 479 | addargs(&alist, "%s", suser); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 480 | } else { |
| 481 | host = cleanhostname(argv[i]); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 482 | } |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 483 | addargs(&alist, "%s", host); |
| 484 | addargs(&alist, "%s", cmd); |
| 485 | addargs(&alist, "%s", src); |
| 486 | addargs(&alist, "%s%s%s:%s", |
| 487 | tuser ? tuser : "", tuser ? "@" : "", |
| 488 | thost, targ); |
| 489 | if (do_local_cmd(&alist) != 0) |
Darren Tucker | 8654d16 | 2003-09-22 21:14:55 +1000 | [diff] [blame] | 490 | errs = 1; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 491 | } else { /* local to remote */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 492 | if (remin == -1) { |
Damien Miller | 7a656f7 | 2006-04-23 12:04:46 +1000 | [diff] [blame] | 493 | xasprintf(&bp, "%s -t %s", cmd, targ); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 494 | host = cleanhostname(thost); |
Damien Miller | ad833b3 | 2000-08-23 10:46:23 +1000 | [diff] [blame] | 495 | if (do_cmd(host, tuser, bp, &remin, |
Damien Miller | 07aa132 | 2006-04-23 12:04:27 +1000 | [diff] [blame] | 496 | &remout) < 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 497 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 498 | if (response() < 0) |
| 499 | exit(1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 500 | (void) xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 501 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 502 | source(1, argv + i); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 503 | } |
| 504 | } |
Damien Miller | 40b5985 | 2006-06-13 13:00:25 +1000 | [diff] [blame] | 505 | xfree(arg); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | void |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 509 | tolocal(int argc, char **argv) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 510 | { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 511 | char *bp, *host, *src, *suser; |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 512 | arglist alist; |
Damien Miller | 07aa132 | 2006-04-23 12:04:27 +1000 | [diff] [blame] | 513 | int i; |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 514 | |
| 515 | memset(&alist, '\0', sizeof(alist)); |
| 516 | alist.list = NULL; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 517 | |
| 518 | for (i = 0; i < argc - 1; i++) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 519 | if (!(src = colon(argv[i]))) { /* Local to local. */ |
Damien Miller | 3eec6b7 | 2006-01-31 21:49:27 +1100 | [diff] [blame] | 520 | freeargs(&alist); |
| 521 | addargs(&alist, "%s", _PATH_CP); |
| 522 | if (iamrecursive) |
| 523 | addargs(&alist, "-r"); |
| 524 | if (pflag) |
| 525 | addargs(&alist, "-p"); |
| 526 | addargs(&alist, "%s", argv[i]); |
| 527 | addargs(&alist, "%s", argv[argc-1]); |
| 528 | if (do_local_cmd(&alist)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 529 | ++errs; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 530 | continue; |
| 531 | } |
| 532 | *src++ = 0; |
| 533 | if (*src == 0) |
| 534 | src = "."; |
Ben Lindstrom | c276c12 | 2002-12-23 02:14:51 +0000 | [diff] [blame] | 535 | if ((host = strrchr(argv[i], '@')) == NULL) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 536 | host = argv[i]; |
| 537 | suser = NULL; |
| 538 | } else { |
| 539 | *host++ = 0; |
| 540 | suser = argv[i]; |
| 541 | if (*suser == '\0') |
| 542 | suser = pwd->pw_name; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 543 | } |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 544 | host = cleanhostname(host); |
Damien Miller | 7a656f7 | 2006-04-23 12:04:46 +1000 | [diff] [blame] | 545 | xasprintf(&bp, "%s -f %s", cmd, src); |
Damien Miller | 07aa132 | 2006-04-23 12:04:27 +1000 | [diff] [blame] | 546 | if (do_cmd(host, suser, bp, &remin, &remout) < 0) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 547 | (void) xfree(bp); |
| 548 | ++errs; |
| 549 | continue; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 550 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 551 | xfree(bp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 552 | sink(1, argv + argc - 1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 553 | (void) close(remin); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 554 | remin = remout = -1; |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | void |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 559 | source(int argc, char **argv) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 560 | { |
| 561 | struct stat stb; |
| 562 | static BUF buffer; |
| 563 | BUF *bp; |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 564 | off_t i, amt, statbytes; |
| 565 | size_t result; |
Darren Tucker | 4085853 | 2005-08-02 17:07:07 +1000 | [diff] [blame] | 566 | int fd = -1, haderr, indx; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 567 | char *last, *name, buf[2048]; |
Ben Lindstrom | d47cf4d | 2001-04-07 01:14:38 +0000 | [diff] [blame] | 568 | int len; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 569 | |
| 570 | for (indx = 0; indx < argc; ++indx) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 571 | name = argv[indx]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 572 | statbytes = 0; |
Ben Lindstrom | d47cf4d | 2001-04-07 01:14:38 +0000 | [diff] [blame] | 573 | len = strlen(name); |
| 574 | while (len > 1 && name[len-1] == '/') |
| 575 | name[--len] = '\0'; |
Ben Lindstrom | 3e45e4c | 2001-10-03 17:30:58 +0000 | [diff] [blame] | 576 | if (strchr(name, '\n') != NULL) { |
| 577 | run_err("%s: skipping, filename contains a newline", |
| 578 | name); |
| 579 | goto next; |
| 580 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 581 | if ((fd = open(name, O_RDONLY, 0)) < 0) |
| 582 | goto syserr; |
| 583 | if (fstat(fd, &stb) < 0) { |
| 584 | syserr: run_err("%s: %s", name, strerror(errno)); |
| 585 | goto next; |
| 586 | } |
| 587 | switch (stb.st_mode & S_IFMT) { |
| 588 | case S_IFREG: |
| 589 | break; |
| 590 | case S_IFDIR: |
| 591 | if (iamrecursive) { |
| 592 | rsource(name, &stb); |
| 593 | goto next; |
| 594 | } |
| 595 | /* FALLTHROUGH */ |
| 596 | default: |
| 597 | run_err("%s: not a regular file", name); |
| 598 | goto next; |
| 599 | } |
| 600 | if ((last = strrchr(name, '/')) == NULL) |
| 601 | last = name; |
| 602 | else |
| 603 | ++last; |
| 604 | curfile = last; |
| 605 | if (pflag) { |
| 606 | /* |
| 607 | * Make it compatible with possible future |
| 608 | * versions expecting microseconds. |
| 609 | */ |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 610 | (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 611 | (u_long) stb.st_mtime, |
| 612 | (u_long) stb.st_atime); |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 613 | (void) atomicio(vwrite, remout, buf, strlen(buf)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 614 | if (response() < 0) |
| 615 | goto next; |
| 616 | } |
| 617 | #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) |
Ben Lindstrom | a4c5766 | 2001-03-17 00:10:20 +0000 | [diff] [blame] | 618 | snprintf(buf, sizeof buf, "C%04o %lld %s\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 619 | (u_int) (stb.st_mode & FILEMODEMASK), |
Darren Tucker | e0be304 | 2005-11-25 14:44:55 +1100 | [diff] [blame] | 620 | (long long)stb.st_size, last); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 621 | if (verbose_mode) { |
| 622 | fprintf(stderr, "Sending file modes: %s", buf); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 623 | } |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 624 | (void) atomicio(vwrite, remout, buf, strlen(buf)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 625 | if (response() < 0) |
| 626 | goto next; |
| 627 | if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) { |
Darren Tucker | 33f86bc | 2005-11-22 19:38:06 +1100 | [diff] [blame] | 628 | next: if (fd != -1) { |
| 629 | (void) close(fd); |
| 630 | fd = -1; |
| 631 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 632 | continue; |
| 633 | } |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 634 | if (showprogress) |
| 635 | start_progress_meter(curfile, stb.st_size, &statbytes); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 636 | /* Keep writing after an error so that we stay sync'd up. */ |
| 637 | for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { |
| 638 | amt = bp->cnt; |
| 639 | if (i + amt > stb.st_size) |
| 640 | amt = stb.st_size - i; |
| 641 | if (!haderr) { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 642 | result = atomicio(read, fd, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 643 | if (result != amt) |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 644 | haderr = errno; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 645 | } |
| 646 | if (haderr) |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 647 | (void) atomicio(vwrite, remout, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 648 | else { |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 649 | result = atomicio(vwrite, remout, bp->buf, amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 650 | if (result != amt) |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 651 | haderr = errno; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 652 | statbytes += result; |
| 653 | } |
Damien Miller | 4da295c | 2003-11-22 14:39:04 +1100 | [diff] [blame] | 654 | if (limit_rate) |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 655 | bwlimit(amt); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 656 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 657 | if (showprogress) |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 658 | stop_progress_meter(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 659 | |
Darren Tucker | 33f86bc | 2005-11-22 19:38:06 +1100 | [diff] [blame] | 660 | if (fd != -1) { |
| 661 | if (close(fd) < 0 && !haderr) |
| 662 | haderr = errno; |
| 663 | fd = -1; |
| 664 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 665 | if (!haderr) |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 666 | (void) atomicio(vwrite, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 667 | else |
| 668 | run_err("%s: %s", name, strerror(haderr)); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 669 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 670 | } |
| 671 | } |
| 672 | |
| 673 | void |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 674 | rsource(char *name, struct stat *statp) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 675 | { |
| 676 | DIR *dirp; |
| 677 | struct dirent *dp; |
| 678 | char *last, *vect[1], path[1100]; |
| 679 | |
| 680 | if (!(dirp = opendir(name))) { |
| 681 | run_err("%s: %s", name, strerror(errno)); |
| 682 | return; |
| 683 | } |
| 684 | last = strrchr(name, '/'); |
| 685 | if (last == 0) |
| 686 | last = name; |
| 687 | else |
| 688 | last++; |
| 689 | if (pflag) { |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 690 | (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 691 | (u_long) statp->st_mtime, |
| 692 | (u_long) statp->st_atime); |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 693 | (void) atomicio(vwrite, remout, path, strlen(path)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 694 | if (response() < 0) { |
| 695 | closedir(dirp); |
| 696 | return; |
| 697 | } |
| 698 | } |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 699 | (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 700 | (u_int) (statp->st_mode & FILEMODEMASK), 0, last); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 701 | if (verbose_mode) |
| 702 | fprintf(stderr, "Entering directory: %s", path); |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 703 | (void) atomicio(vwrite, remout, path, strlen(path)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 704 | if (response() < 0) { |
| 705 | closedir(dirp); |
| 706 | return; |
| 707 | } |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 708 | while ((dp = readdir(dirp)) != NULL) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 709 | if (dp->d_ino == 0) |
| 710 | continue; |
| 711 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) |
| 712 | continue; |
| 713 | if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { |
| 714 | run_err("%s/%s: name too long", name, dp->d_name); |
| 715 | continue; |
| 716 | } |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 717 | (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 718 | vect[0] = path; |
| 719 | source(1, vect); |
| 720 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 721 | (void) closedir(dirp); |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 722 | (void) atomicio(vwrite, remout, "E\n", 2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 723 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 724 | } |
| 725 | |
| 726 | void |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 727 | bwlimit(int amount) |
| 728 | { |
| 729 | static struct timeval bwstart, bwend; |
| 730 | static int lamt, thresh = 16384; |
Darren Tucker | 3f9fdc7 | 2004-06-22 12:56:01 +1000 | [diff] [blame] | 731 | u_int64_t waitlen; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 732 | struct timespec ts, rm; |
| 733 | |
| 734 | if (!timerisset(&bwstart)) { |
| 735 | gettimeofday(&bwstart, NULL); |
| 736 | return; |
| 737 | } |
| 738 | |
| 739 | lamt += amount; |
| 740 | if (lamt < thresh) |
| 741 | return; |
| 742 | |
| 743 | gettimeofday(&bwend, NULL); |
| 744 | timersub(&bwend, &bwstart, &bwend); |
| 745 | if (!timerisset(&bwend)) |
| 746 | return; |
| 747 | |
| 748 | lamt *= 8; |
Darren Tucker | 3f9fdc7 | 2004-06-22 12:56:01 +1000 | [diff] [blame] | 749 | waitlen = (double)1000000L * lamt / limit_rate; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 750 | |
Darren Tucker | 3f9fdc7 | 2004-06-22 12:56:01 +1000 | [diff] [blame] | 751 | bwstart.tv_sec = waitlen / 1000000L; |
| 752 | bwstart.tv_usec = waitlen % 1000000L; |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 753 | |
| 754 | if (timercmp(&bwstart, &bwend, >)) { |
| 755 | timersub(&bwstart, &bwend, &bwend); |
| 756 | |
| 757 | /* Adjust the wait time */ |
| 758 | if (bwend.tv_sec) { |
| 759 | thresh /= 2; |
| 760 | if (thresh < 2048) |
| 761 | thresh = 2048; |
| 762 | } else if (bwend.tv_usec < 100) { |
| 763 | thresh *= 2; |
| 764 | if (thresh > 32768) |
| 765 | thresh = 32768; |
| 766 | } |
| 767 | |
| 768 | TIMEVAL_TO_TIMESPEC(&bwend, &ts); |
| 769 | while (nanosleep(&ts, &rm) == -1) { |
| 770 | if (errno != EINTR) |
| 771 | break; |
| 772 | ts = rm; |
| 773 | } |
| 774 | } |
| 775 | |
| 776 | lamt = 0; |
| 777 | gettimeofday(&bwstart, NULL); |
| 778 | } |
| 779 | |
| 780 | void |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 781 | sink(int argc, char **argv) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 782 | { |
| 783 | static BUF buffer; |
| 784 | struct stat stb; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 785 | enum { |
| 786 | YES, NO, DISPLAYED |
| 787 | } wrerr; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 788 | BUF *bp; |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 789 | off_t i; |
Damien Miller | eccb9de | 2005-06-17 12:59:34 +1000 | [diff] [blame] | 790 | size_t j, count; |
Damien Miller | 07aa132 | 2006-04-23 12:04:27 +1000 | [diff] [blame] | 791 | int amt, exists, first, ofd; |
| 792 | mode_t mode, omode, mask; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 793 | off_t size, statbytes; |
Damien Miller | caf6dd6 | 2000-08-29 11:33:50 +1100 | [diff] [blame] | 794 | int setimes, targisdir, wrerrno = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 795 | char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; |
Damien Miller | 62cee00 | 2000-09-23 17:15:56 +1100 | [diff] [blame] | 796 | struct timeval tv[2]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 797 | |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 798 | #define atime tv[0] |
| 799 | #define mtime tv[1] |
Darren Tucker | f30e1ac | 2004-11-05 20:10:02 +1100 | [diff] [blame] | 800 | #define SCREWUP(str) { why = str; goto screwup; } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 801 | |
| 802 | setimes = targisdir = 0; |
| 803 | mask = umask(0); |
| 804 | if (!pflag) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 805 | (void) umask(mask); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 806 | if (argc != 1) { |
| 807 | run_err("ambiguous target"); |
| 808 | exit(1); |
| 809 | } |
| 810 | targ = *argv; |
| 811 | if (targetshouldbedirectory) |
| 812 | verifydir(targ); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 813 | |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 814 | (void) atomicio(vwrite, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 815 | if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) |
| 816 | targisdir = 1; |
| 817 | for (first = 1;; first = 0) { |
| 818 | cp = buf; |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 819 | if (atomicio(read, remin, cp, 1) != 1) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 820 | return; |
| 821 | if (*cp++ == '\n') |
| 822 | SCREWUP("unexpected <newline>"); |
| 823 | do { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 824 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 825 | SCREWUP("lost connection"); |
| 826 | *cp++ = ch; |
| 827 | } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); |
| 828 | *cp = 0; |
Darren Tucker | bddc2b0 | 2004-04-19 23:50:16 +1000 | [diff] [blame] | 829 | if (verbose_mode) |
| 830 | fprintf(stderr, "Sink: %s", buf); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 831 | |
| 832 | if (buf[0] == '\01' || buf[0] == '\02') { |
| 833 | if (iamremote == 0) |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 834 | (void) atomicio(vwrite, STDERR_FILENO, |
Kevin Steves | 7d00ba4 | 2000-12-15 23:03:10 +0000 | [diff] [blame] | 835 | buf + 1, strlen(buf + 1)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 836 | if (buf[0] == '\02') |
| 837 | exit(1); |
| 838 | ++errs; |
| 839 | continue; |
| 840 | } |
| 841 | if (buf[0] == 'E') { |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 842 | (void) atomicio(vwrite, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 843 | return; |
| 844 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 845 | if (ch == '\n') |
| 846 | *--cp = 0; |
| 847 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 848 | cp = buf; |
| 849 | if (*cp == 'T') { |
| 850 | setimes++; |
| 851 | cp++; |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 852 | mtime.tv_sec = strtol(cp, &cp, 10); |
| 853 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 854 | SCREWUP("mtime.sec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 855 | mtime.tv_usec = strtol(cp, &cp, 10); |
| 856 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 857 | SCREWUP("mtime.usec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 858 | atime.tv_sec = strtol(cp, &cp, 10); |
| 859 | if (!cp || *cp++ != ' ') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 860 | SCREWUP("atime.sec not delimited"); |
Ben Lindstrom | f719a20 | 2001-04-14 23:14:22 +0000 | [diff] [blame] | 861 | atime.tv_usec = strtol(cp, &cp, 10); |
| 862 | if (!cp || *cp++ != '\0') |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 863 | SCREWUP("atime.usec not delimited"); |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 864 | (void) atomicio(vwrite, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 865 | continue; |
| 866 | } |
| 867 | if (*cp != 'C' && *cp != 'D') { |
| 868 | /* |
| 869 | * Check for the case "rcp remote:foo\* local:bar". |
| 870 | * In this case, the line "No match." can be returned |
| 871 | * by the shell before the rcp command on the remote is |
| 872 | * executed so the ^Aerror_message convention isn't |
| 873 | * followed. |
| 874 | */ |
| 875 | if (first) { |
| 876 | run_err("%s", cp); |
| 877 | exit(1); |
| 878 | } |
| 879 | SCREWUP("expected control record"); |
| 880 | } |
| 881 | mode = 0; |
| 882 | for (++cp; cp < buf + 5; cp++) { |
| 883 | if (*cp < '0' || *cp > '7') |
| 884 | SCREWUP("bad mode"); |
| 885 | mode = (mode << 3) | (*cp - '0'); |
| 886 | } |
| 887 | if (*cp++ != ' ') |
| 888 | SCREWUP("mode not delimited"); |
| 889 | |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 890 | for (size = 0; isdigit(*cp);) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 891 | size = size * 10 + (*cp++ - '0'); |
| 892 | if (*cp++ != ' ') |
| 893 | SCREWUP("size not delimited"); |
Darren Tucker | bddc2b0 | 2004-04-19 23:50:16 +1000 | [diff] [blame] | 894 | if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) { |
| 895 | run_err("error: unexpected filename: %s", cp); |
| 896 | exit(1); |
| 897 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 898 | if (targisdir) { |
| 899 | static char *namebuf; |
Damien Miller | eccb9de | 2005-06-17 12:59:34 +1000 | [diff] [blame] | 900 | static size_t cursize; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 901 | size_t need; |
| 902 | |
| 903 | need = strlen(targ) + strlen(cp) + 250; |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 904 | if (need > cursize) { |
| 905 | if (namebuf) |
| 906 | xfree(namebuf); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 907 | namebuf = xmalloc(need); |
Ben Lindstrom | f6b7b09 | 2001-02-09 01:23:39 +0000 | [diff] [blame] | 908 | cursize = need; |
| 909 | } |
| 910 | (void) snprintf(namebuf, need, "%s%s%s", targ, |
Ben Lindstrom | de3895d | 2002-04-06 18:29:59 +0000 | [diff] [blame] | 911 | strcmp(targ, "/") ? "/" : "", cp); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 912 | np = namebuf; |
| 913 | } else |
| 914 | np = targ; |
| 915 | curfile = cp; |
| 916 | exists = stat(np, &stb) == 0; |
| 917 | if (buf[0] == 'D') { |
| 918 | int mod_flag = pflag; |
Darren Tucker | bddc2b0 | 2004-04-19 23:50:16 +1000 | [diff] [blame] | 919 | if (!iamrecursive) |
| 920 | SCREWUP("received directory without -r"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 921 | if (exists) { |
| 922 | if (!S_ISDIR(stb.st_mode)) { |
| 923 | errno = ENOTDIR; |
| 924 | goto bad; |
| 925 | } |
| 926 | if (pflag) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 927 | (void) chmod(np, mode); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 928 | } else { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 929 | /* Handle copying from a read-only |
| 930 | directory */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 931 | mod_flag = 1; |
| 932 | if (mkdir(np, mode | S_IRWXU) < 0) |
| 933 | goto bad; |
| 934 | } |
Ben Lindstrom | 550bc54 | 2001-02-10 21:50:00 +0000 | [diff] [blame] | 935 | vect[0] = xstrdup(np); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 936 | sink(1, vect); |
| 937 | if (setimes) { |
| 938 | setimes = 0; |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 939 | if (utimes(vect[0], tv) < 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 940 | run_err("%s: set times: %s", |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 941 | vect[0], strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 942 | } |
| 943 | if (mod_flag) |
Damien Miller | 225736c | 2001-02-19 21:51:08 +1100 | [diff] [blame] | 944 | (void) chmod(vect[0], mode); |
| 945 | if (vect[0]) |
| 946 | xfree(vect[0]); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 947 | continue; |
| 948 | } |
| 949 | omode = mode; |
| 950 | mode |= S_IWRITE; |
Ben Lindstrom | 7bad55b | 2001-06-05 19:31:41 +0000 | [diff] [blame] | 951 | if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 952 | bad: run_err("%s: %s", np, strerror(errno)); |
| 953 | continue; |
| 954 | } |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 955 | (void) atomicio(vwrite, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 956 | if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 957 | (void) close(ofd); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 958 | continue; |
| 959 | } |
| 960 | cp = bp->buf; |
| 961 | wrerr = NO; |
| 962 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 963 | statbytes = 0; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 964 | if (showprogress) |
| 965 | start_progress_meter(curfile, size, &statbytes); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 966 | for (count = i = 0; i < size; i += 4096) { |
| 967 | amt = 4096; |
| 968 | if (i + amt > size) |
| 969 | amt = size - i; |
| 970 | count += amt; |
| 971 | do { |
Darren Tucker | fe6649d | 2004-08-13 21:19:37 +1000 | [diff] [blame] | 972 | j = atomicio(read, remin, cp, amt); |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 973 | if (j == 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 974 | run_err("%s", j ? strerror(errno) : |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 975 | "dropped connection"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 976 | exit(1); |
| 977 | } |
| 978 | amt -= j; |
| 979 | cp += j; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 980 | statbytes += j; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 981 | } while (amt > 0); |
Damien Miller | 787b2ec | 2003-11-21 23:56:47 +1100 | [diff] [blame] | 982 | |
Damien Miller | 4da295c | 2003-11-22 14:39:04 +1100 | [diff] [blame] | 983 | if (limit_rate) |
Damien Miller | ff74d74 | 2003-01-24 11:36:58 +1100 | [diff] [blame] | 984 | bwlimit(4096); |
| 985 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 986 | if (count == bp->cnt) { |
| 987 | /* Keep reading so we stay sync'd up. */ |
| 988 | if (wrerr == NO) { |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 989 | if (atomicio(vwrite, ofd, bp->buf, |
| 990 | count) != count) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 991 | wrerr = YES; |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 992 | wrerrno = errno; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 993 | } |
| 994 | } |
| 995 | count = 0; |
| 996 | cp = bp->buf; |
| 997 | } |
| 998 | } |
| 999 | if (showprogress) |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1000 | stop_progress_meter(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1001 | if (count != 0 && wrerr == NO && |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 1002 | atomicio(vwrite, ofd, bp->buf, count) != count) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1003 | wrerr = YES; |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 1004 | wrerrno = errno; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1005 | } |
Damien Miller | 86b781c | 2003-01-10 21:44:48 +1100 | [diff] [blame] | 1006 | if (wrerr == NO && ftruncate(ofd, size) != 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1007 | run_err("%s: truncate: %s", np, strerror(errno)); |
| 1008 | wrerr = DISPLAYED; |
| 1009 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1010 | if (pflag) { |
| 1011 | if (exists || omode != mode) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 1012 | #ifdef HAVE_FCHMOD |
Darren Tucker | e1f1705 | 2004-07-08 23:11:44 +1000 | [diff] [blame] | 1013 | if (fchmod(ofd, omode)) { |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 1014 | #else /* HAVE_FCHMOD */ |
Darren Tucker | e1f1705 | 2004-07-08 23:11:44 +1000 | [diff] [blame] | 1015 | if (chmod(np, omode)) { |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 1016 | #endif /* HAVE_FCHMOD */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1017 | run_err("%s: set mode: %s", |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 1018 | np, strerror(errno)); |
Darren Tucker | e1f1705 | 2004-07-08 23:11:44 +1000 | [diff] [blame] | 1019 | wrerr = DISPLAYED; |
| 1020 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1021 | } else { |
| 1022 | if (!exists && omode != mode) |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 1023 | #ifdef HAVE_FCHMOD |
Darren Tucker | e1f1705 | 2004-07-08 23:11:44 +1000 | [diff] [blame] | 1024 | if (fchmod(ofd, omode & ~mask)) { |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 1025 | #else /* HAVE_FCHMOD */ |
Darren Tucker | e1f1705 | 2004-07-08 23:11:44 +1000 | [diff] [blame] | 1026 | if (chmod(np, omode & ~mask)) { |
Damien Miller | 78315eb | 2000-09-29 23:01:36 +1100 | [diff] [blame] | 1027 | #endif /* HAVE_FCHMOD */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1028 | run_err("%s: set mode: %s", |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 1029 | np, strerror(errno)); |
Darren Tucker | e1f1705 | 2004-07-08 23:11:44 +1000 | [diff] [blame] | 1030 | wrerr = DISPLAYED; |
| 1031 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1032 | } |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 1033 | if (close(ofd) == -1) { |
| 1034 | wrerr = YES; |
| 1035 | wrerrno = errno; |
| 1036 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1037 | (void) response(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1038 | if (setimes && wrerr == NO) { |
| 1039 | setimes = 0; |
Damien Miller | 62cee00 | 2000-09-23 17:15:56 +1100 | [diff] [blame] | 1040 | if (utimes(np, tv) < 0) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1041 | run_err("%s: set times: %s", |
Ben Lindstrom | bd47226 | 2001-03-29 00:39:55 +0000 | [diff] [blame] | 1042 | np, strerror(errno)); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1043 | wrerr = DISPLAYED; |
| 1044 | } |
| 1045 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1046 | switch (wrerr) { |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1047 | case YES: |
| 1048 | run_err("%s: %s", np, strerror(wrerrno)); |
| 1049 | break; |
| 1050 | case NO: |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 1051 | (void) atomicio(vwrite, remout, "", 1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1052 | break; |
| 1053 | case DISPLAYED: |
| 1054 | break; |
| 1055 | } |
| 1056 | } |
| 1057 | screwup: |
| 1058 | run_err("protocol error: %s", why); |
| 1059 | exit(1); |
| 1060 | } |
| 1061 | |
| 1062 | int |
Ben Lindstrom | 3c36bb2 | 2001-12-06 17:55:26 +0000 | [diff] [blame] | 1063 | response(void) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1064 | { |
| 1065 | char ch, *cp, resp, rbuf[2048]; |
| 1066 | |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 1067 | if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1068 | lostconn(0); |
| 1069 | |
| 1070 | cp = rbuf; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1071 | switch (resp) { |
| 1072 | case 0: /* ok */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1073 | return (0); |
| 1074 | default: |
| 1075 | *cp++ = resp; |
| 1076 | /* FALLTHROUGH */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1077 | case 1: /* error, followed by error msg */ |
| 1078 | case 2: /* fatal error, "" */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1079 | do { |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 1080 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1081 | lostconn(0); |
| 1082 | *cp++ = ch; |
| 1083 | } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); |
| 1084 | |
| 1085 | if (!iamremote) |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 1086 | (void) atomicio(vwrite, STDERR_FILENO, rbuf, cp - rbuf); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1087 | ++errs; |
| 1088 | if (resp == 1) |
| 1089 | return (-1); |
| 1090 | exit(1); |
| 1091 | } |
| 1092 | /* NOTREACHED */ |
| 1093 | } |
| 1094 | |
| 1095 | void |
Ben Lindstrom | 3c36bb2 | 2001-12-06 17:55:26 +0000 | [diff] [blame] | 1096 | usage(void) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1097 | { |
Ben Lindstrom | 1e24324 | 2001-09-18 05:38:44 +0000 | [diff] [blame] | 1098 | (void) fprintf(stderr, |
Darren Tucker | 1f20394 | 2003-10-15 15:50:42 +1000 | [diff] [blame] | 1099 | "usage: scp [-1246BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]\n" |
| 1100 | " [-l limit] [-o ssh_option] [-P port] [-S program]\n" |
Ben Lindstrom | 45933dd | 2002-06-21 00:10:58 +0000 | [diff] [blame] | 1101 | " [[user@]host1:]file1 [...] [[user@]host2:]file2\n"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1102 | exit(1); |
| 1103 | } |
| 1104 | |
| 1105 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1106 | run_err(const char *fmt,...) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1107 | { |
| 1108 | static FILE *fp; |
| 1109 | va_list ap; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1110 | |
| 1111 | ++errs; |
Damien Miller | 745570c | 2006-03-26 13:49:43 +1100 | [diff] [blame] | 1112 | if (fp != NULL || (remout != -1 && (fp = fdopen(remout, "w")))) { |
| 1113 | (void) fprintf(fp, "%c", 0x01); |
| 1114 | (void) fprintf(fp, "scp: "); |
| 1115 | va_start(ap, fmt); |
| 1116 | (void) vfprintf(fp, fmt, ap); |
| 1117 | va_end(ap); |
| 1118 | (void) fprintf(fp, "\n"); |
| 1119 | (void) fflush(fp); |
| 1120 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1121 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1122 | if (!iamremote) { |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 1123 | va_start(ap, fmt); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1124 | vfprintf(stderr, fmt, ap); |
Damien Miller | 03783f0 | 1999-12-31 09:16:40 +1100 | [diff] [blame] | 1125 | va_end(ap); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1126 | fprintf(stderr, "\n"); |
| 1127 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1128 | } |
| 1129 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1130 | void |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 1131 | verifydir(char *cp) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1132 | { |
| 1133 | struct stat stb; |
| 1134 | |
| 1135 | if (!stat(cp, &stb)) { |
| 1136 | if (S_ISDIR(stb.st_mode)) |
| 1137 | return; |
| 1138 | errno = ENOTDIR; |
| 1139 | } |
| 1140 | run_err("%s: %s", cp, strerror(errno)); |
Darren Tucker | fc4f2dd | 2005-06-01 23:01:12 +1000 | [diff] [blame] | 1141 | killchild(0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1142 | } |
| 1143 | |
| 1144 | int |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 1145 | okname(char *cp0) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1146 | { |
| 1147 | int c; |
| 1148 | char *cp; |
| 1149 | |
| 1150 | cp = cp0; |
| 1151 | do { |
Ben Lindstrom | 7d5ed3a | 2001-06-25 04:28:30 +0000 | [diff] [blame] | 1152 | c = (int)*cp; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1153 | if (c & 0200) |
| 1154 | goto bad; |
Damien Miller | eeeeb35 | 2003-02-24 11:52:58 +1100 | [diff] [blame] | 1155 | if (!isalpha(c) && !isdigit(c)) { |
| 1156 | switch (c) { |
| 1157 | case '\'': |
| 1158 | case '"': |
| 1159 | case '`': |
| 1160 | case ' ': |
| 1161 | case '#': |
| 1162 | goto bad; |
| 1163 | default: |
| 1164 | break; |
| 1165 | } |
| 1166 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1167 | } while (*++cp); |
| 1168 | return (1); |
| 1169 | |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 1170 | bad: fprintf(stderr, "%s: invalid user name\n", cp0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1171 | return (0); |
| 1172 | } |
| 1173 | |
| 1174 | BUF * |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 1175 | allocbuf(BUF *bp, int fd, int blksize) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1176 | { |
| 1177 | size_t size; |
Tim Rice | 13aae5e | 2001-10-21 17:53:58 -0700 | [diff] [blame] | 1178 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1179 | struct stat stb; |
| 1180 | |
| 1181 | if (fstat(fd, &stb) < 0) { |
| 1182 | run_err("fstat: %s", strerror(errno)); |
| 1183 | return (0); |
| 1184 | } |
Ben Lindstrom | 418e078 | 2002-12-23 02:22:09 +0000 | [diff] [blame] | 1185 | size = roundup(stb.st_blksize, blksize); |
| 1186 | if (size == 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1187 | size = blksize; |
Tim Rice | 13aae5e | 2001-10-21 17:53:58 -0700 | [diff] [blame] | 1188 | #else /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 1189 | size = blksize; |
Tim Rice | 13aae5e | 2001-10-21 17:53:58 -0700 | [diff] [blame] | 1190 | #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1191 | if (bp->cnt >= size) |
| 1192 | return (bp); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1193 | if (bp->buf == NULL) |
| 1194 | bp->buf = xmalloc(size); |
| 1195 | else |
Damien Miller | 3681209 | 2006-03-26 14:22:47 +1100 | [diff] [blame] | 1196 | bp->buf = xrealloc(bp->buf, 1, size); |
Ben Lindstrom | 5fccbc2 | 2001-09-12 17:49:48 +0000 | [diff] [blame] | 1197 | memset(bp->buf, 0, size); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1198 | bp->cnt = size; |
| 1199 | return (bp); |
| 1200 | } |
| 1201 | |
| 1202 | void |
Damien Miller | 65d1f57 | 2003-06-04 22:51:08 +1000 | [diff] [blame] | 1203 | lostconn(int signo) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1204 | { |
| 1205 | if (!iamremote) |
Ben Lindstrom | 738f51e | 2001-06-21 03:08:58 +0000 | [diff] [blame] | 1206 | write(STDERR_FILENO, "lost connection\n", 16); |
| 1207 | if (signo) |
| 1208 | _exit(1); |
| 1209 | else |
| 1210 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1211 | } |