1cce7d346SDag-Erling Smørgrav /* $OpenBSD: scp.c,v 1.164 2008/10/10 04:55:16 stevesk Exp $ */ 2511b41d2SMark Murray /* 3b66f2d16SKris Kennaway * scp - secure remote copy. This is basically patched BSD rcp which 4b66f2d16SKris Kennaway * uses ssh to do the data transfer (instead of using rcmd). 5511b41d2SMark Murray * 6b66f2d16SKris Kennaway * NOTE: This version should NOT be suid root. (This uses ssh to 7b66f2d16SKris Kennaway * do the transfer and ssh has the necessary privileges.) 8511b41d2SMark Murray * 9511b41d2SMark Murray * 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi> 10511b41d2SMark Murray * 11b66f2d16SKris Kennaway * As far as I am concerned, the code I have written for this software 12b66f2d16SKris Kennaway * can be used freely for any purpose. Any derived versions of this 13b66f2d16SKris Kennaway * software must be clearly marked as such, and if the derived work is 14b66f2d16SKris Kennaway * incompatible with the protocol description in the RFC file, it must be 15b66f2d16SKris Kennaway * called by a name other than "ssh" or "Secure Shell". 16b66f2d16SKris Kennaway */ 17b66f2d16SKris Kennaway /* 18b66f2d16SKris Kennaway * Copyright (c) 1999 Theo de Raadt. All rights reserved. 19b66f2d16SKris Kennaway * Copyright (c) 1999 Aaron Campbell. All rights reserved. 20b66f2d16SKris Kennaway * 21b66f2d16SKris Kennaway * Redistribution and use in source and binary forms, with or without 22b66f2d16SKris Kennaway * modification, are permitted provided that the following conditions 23b66f2d16SKris Kennaway * are met: 24b66f2d16SKris Kennaway * 1. Redistributions of source code must retain the above copyright 25b66f2d16SKris Kennaway * notice, this list of conditions and the following disclaimer. 26b66f2d16SKris Kennaway * 2. Redistributions in binary form must reproduce the above copyright 27b66f2d16SKris Kennaway * notice, this list of conditions and the following disclaimer in the 28b66f2d16SKris Kennaway * documentation and/or other materials provided with the distribution. 29b66f2d16SKris Kennaway * 30b66f2d16SKris Kennaway * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 31b66f2d16SKris Kennaway * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 32b66f2d16SKris Kennaway * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 33b66f2d16SKris Kennaway * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 34b66f2d16SKris Kennaway * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 35b66f2d16SKris Kennaway * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36b66f2d16SKris Kennaway * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37b66f2d16SKris Kennaway * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38b66f2d16SKris Kennaway * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 39b66f2d16SKris Kennaway * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40511b41d2SMark Murray */ 41511b41d2SMark Murray 42511b41d2SMark Murray /* 43b66f2d16SKris Kennaway * Parts from: 44b66f2d16SKris Kennaway * 45511b41d2SMark Murray * Copyright (c) 1983, 1990, 1992, 1993, 1995 46511b41d2SMark Murray * The Regents of the University of California. All rights reserved. 47511b41d2SMark Murray * 48511b41d2SMark Murray * Redistribution and use in source and binary forms, with or without 49511b41d2SMark Murray * modification, are permitted provided that the following conditions 50511b41d2SMark Murray * are met: 51511b41d2SMark Murray * 1. Redistributions of source code must retain the above copyright 52511b41d2SMark Murray * notice, this list of conditions and the following disclaimer. 53511b41d2SMark Murray * 2. Redistributions in binary form must reproduce the above copyright 54511b41d2SMark Murray * notice, this list of conditions and the following disclaimer in the 55511b41d2SMark Murray * documentation and/or other materials provided with the distribution. 56cf2b5f3bSDag-Erling Smørgrav * 3. Neither the name of the University nor the names of its contributors 57511b41d2SMark Murray * may be used to endorse or promote products derived from this software 58511b41d2SMark Murray * without specific prior written permission. 59511b41d2SMark Murray * 60511b41d2SMark Murray * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61511b41d2SMark Murray * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62511b41d2SMark Murray * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63511b41d2SMark Murray * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64511b41d2SMark Murray * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65511b41d2SMark Murray * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66511b41d2SMark Murray * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67511b41d2SMark Murray * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68511b41d2SMark Murray * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69511b41d2SMark Murray * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70511b41d2SMark Murray * SUCH DAMAGE. 71511b41d2SMark Murray * 72511b41d2SMark Murray */ 73511b41d2SMark Murray 74511b41d2SMark Murray #include "includes.h" 75333ee039SDag-Erling Smørgrav 76333ee039SDag-Erling Smørgrav #include <sys/types.h> 77333ee039SDag-Erling Smørgrav #include <sys/param.h> 78333ee039SDag-Erling Smørgrav #ifdef HAVE_SYS_STAT_H 79333ee039SDag-Erling Smørgrav # include <sys/stat.h> 80333ee039SDag-Erling Smørgrav #endif 81d4af9e69SDag-Erling Smørgrav #ifdef HAVE_POLL_H 82d4af9e69SDag-Erling Smørgrav #include <poll.h> 83d4af9e69SDag-Erling Smørgrav #else 84d4af9e69SDag-Erling Smørgrav # ifdef HAVE_SYS_POLL_H 85d4af9e69SDag-Erling Smørgrav # include <sys/poll.h> 86d4af9e69SDag-Erling Smørgrav # endif 87d4af9e69SDag-Erling Smørgrav #endif 88333ee039SDag-Erling Smørgrav #ifdef HAVE_SYS_TIME_H 89333ee039SDag-Erling Smørgrav # include <sys/time.h> 90333ee039SDag-Erling Smørgrav #endif 91333ee039SDag-Erling Smørgrav #include <sys/wait.h> 92333ee039SDag-Erling Smørgrav #include <sys/uio.h> 93333ee039SDag-Erling Smørgrav 94333ee039SDag-Erling Smørgrav #include <ctype.h> 95333ee039SDag-Erling Smørgrav #include <dirent.h> 96333ee039SDag-Erling Smørgrav #include <errno.h> 97333ee039SDag-Erling Smørgrav #include <fcntl.h> 98333ee039SDag-Erling Smørgrav #include <pwd.h> 99333ee039SDag-Erling Smørgrav #include <signal.h> 100333ee039SDag-Erling Smørgrav #include <stdarg.h> 101333ee039SDag-Erling Smørgrav #include <stdio.h> 102333ee039SDag-Erling Smørgrav #include <stdlib.h> 103333ee039SDag-Erling Smørgrav #include <string.h> 104333ee039SDag-Erling Smørgrav #include <time.h> 105333ee039SDag-Erling Smørgrav #include <unistd.h> 106d4af9e69SDag-Erling Smørgrav #if defined(HAVE_STRNVIS) && defined(HAVE_VIS_H) 107d4af9e69SDag-Erling Smørgrav #include <vis.h> 108d4af9e69SDag-Erling Smørgrav #endif 109511b41d2SMark Murray 110511b41d2SMark Murray #include "xmalloc.h" 1111e8db6e2SBrian Feldman #include "atomicio.h" 1121e8db6e2SBrian Feldman #include "pathnames.h" 1131e8db6e2SBrian Feldman #include "log.h" 114ae1f160dSDag-Erling Smørgrav #include "misc.h" 115e73e9afaSDag-Erling Smørgrav #include "progressmeter.h" 116511b41d2SMark Murray 11783d2307dSDag-Erling Smørgrav extern char *__progname; 11883d2307dSDag-Erling Smørgrav 119d4af9e69SDag-Erling Smørgrav #define COPY_BUFLEN 16384 120d4af9e69SDag-Erling Smørgrav 121333ee039SDag-Erling Smørgrav int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout); 122333ee039SDag-Erling Smørgrav 123e73e9afaSDag-Erling Smørgrav void bwlimit(int); 124511b41d2SMark Murray 125ae1f160dSDag-Erling Smørgrav /* Struct for addargs */ 126ae1f160dSDag-Erling Smørgrav arglist args; 1275b9b2fafSBrian Feldman 128e73e9afaSDag-Erling Smørgrav /* Bandwidth limit */ 1291ec0d754SDag-Erling Smørgrav off_t limit_rate = 0; 130511b41d2SMark Murray 131511b41d2SMark Murray /* Name of current file being transferred. */ 132511b41d2SMark Murray char *curfile; 133511b41d2SMark Murray 134511b41d2SMark Murray /* This is set to non-zero to enable verbose mode. */ 135511b41d2SMark Murray int verbose_mode = 0; 136511b41d2SMark Murray 137511b41d2SMark Murray /* This is set to zero if the progressmeter is not desired. */ 138511b41d2SMark Murray int showprogress = 1; 139511b41d2SMark Murray 140b66f2d16SKris Kennaway /* This is the program to execute for the secured connection. ("ssh" or -S) */ 1411e8db6e2SBrian Feldman char *ssh_program = _PATH_SSH_PROGRAM; 142b66f2d16SKris Kennaway 143e73e9afaSDag-Erling Smørgrav /* This is used to store the pid of ssh_program */ 144cf2b5f3bSDag-Erling Smørgrav pid_t do_cmd_pid = -1; 145cf2b5f3bSDag-Erling Smørgrav 146cf2b5f3bSDag-Erling Smørgrav static void 147cf2b5f3bSDag-Erling Smørgrav killchild(int signo) 148cf2b5f3bSDag-Erling Smørgrav { 149aa49c926SDag-Erling Smørgrav if (do_cmd_pid > 1) { 150d4ecd108SDag-Erling Smørgrav kill(do_cmd_pid, signo ? signo : SIGTERM); 151aa49c926SDag-Erling Smørgrav waitpid(do_cmd_pid, NULL, 0); 152aa49c926SDag-Erling Smørgrav } 153cf2b5f3bSDag-Erling Smørgrav 154d4ecd108SDag-Erling Smørgrav if (signo) 155cf2b5f3bSDag-Erling Smørgrav _exit(1); 156d4ecd108SDag-Erling Smørgrav exit(1); 157cf2b5f3bSDag-Erling Smørgrav } 158e73e9afaSDag-Erling Smørgrav 159b74df5b2SDag-Erling Smørgrav static int 160b74df5b2SDag-Erling Smørgrav do_local_cmd(arglist *a) 161b74df5b2SDag-Erling Smørgrav { 162b74df5b2SDag-Erling Smørgrav u_int i; 163b74df5b2SDag-Erling Smørgrav int status; 164b74df5b2SDag-Erling Smørgrav pid_t pid; 165b74df5b2SDag-Erling Smørgrav 166b74df5b2SDag-Erling Smørgrav if (a->num == 0) 167b74df5b2SDag-Erling Smørgrav fatal("do_local_cmd: no arguments"); 168b74df5b2SDag-Erling Smørgrav 169b74df5b2SDag-Erling Smørgrav if (verbose_mode) { 170b74df5b2SDag-Erling Smørgrav fprintf(stderr, "Executing:"); 171b74df5b2SDag-Erling Smørgrav for (i = 0; i < a->num; i++) 172b74df5b2SDag-Erling Smørgrav fprintf(stderr, " %s", a->list[i]); 173b74df5b2SDag-Erling Smørgrav fprintf(stderr, "\n"); 174b74df5b2SDag-Erling Smørgrav } 175b74df5b2SDag-Erling Smørgrav if ((pid = fork()) == -1) 176b74df5b2SDag-Erling Smørgrav fatal("do_local_cmd: fork: %s", strerror(errno)); 177b74df5b2SDag-Erling Smørgrav 178b74df5b2SDag-Erling Smørgrav if (pid == 0) { 179b74df5b2SDag-Erling Smørgrav execvp(a->list[0], a->list); 180b74df5b2SDag-Erling Smørgrav perror(a->list[0]); 181b74df5b2SDag-Erling Smørgrav exit(1); 182b74df5b2SDag-Erling Smørgrav } 183b74df5b2SDag-Erling Smørgrav 184b74df5b2SDag-Erling Smørgrav do_cmd_pid = pid; 185b74df5b2SDag-Erling Smørgrav signal(SIGTERM, killchild); 186b74df5b2SDag-Erling Smørgrav signal(SIGINT, killchild); 187b74df5b2SDag-Erling Smørgrav signal(SIGHUP, killchild); 188b74df5b2SDag-Erling Smørgrav 189b74df5b2SDag-Erling Smørgrav while (waitpid(pid, &status, 0) == -1) 190b74df5b2SDag-Erling Smørgrav if (errno != EINTR) 191b74df5b2SDag-Erling Smørgrav fatal("do_local_cmd: waitpid: %s", strerror(errno)); 192b74df5b2SDag-Erling Smørgrav 193b74df5b2SDag-Erling Smørgrav do_cmd_pid = -1; 194b74df5b2SDag-Erling Smørgrav 195b74df5b2SDag-Erling Smørgrav if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) 196b74df5b2SDag-Erling Smørgrav return (-1); 197b74df5b2SDag-Erling Smørgrav 198b74df5b2SDag-Erling Smørgrav return (0); 199b74df5b2SDag-Erling Smørgrav } 200b74df5b2SDag-Erling Smørgrav 201511b41d2SMark Murray /* 202511b41d2SMark Murray * This function executes the given command as the specified user on the 203511b41d2SMark Murray * given host. This returns < 0 if execution fails, and >= 0 otherwise. This 204511b41d2SMark Murray * assigns the input and output file descriptors on success. 205511b41d2SMark Murray */ 206511b41d2SMark Murray 207511b41d2SMark Murray int 208333ee039SDag-Erling Smørgrav do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout) 209511b41d2SMark Murray { 210511b41d2SMark Murray int pin[2], pout[2], reserved[2]; 211511b41d2SMark Murray 212511b41d2SMark Murray if (verbose_mode) 213ae1f160dSDag-Erling Smørgrav fprintf(stderr, 214ae1f160dSDag-Erling Smørgrav "Executing: program %s host %s, user %s, command %s\n", 215ae1f160dSDag-Erling Smørgrav ssh_program, host, 216ae1f160dSDag-Erling Smørgrav remuser ? remuser : "(unspecified)", cmd); 217511b41d2SMark Murray 218511b41d2SMark Murray /* 219511b41d2SMark Murray * Reserve two descriptors so that the real pipes won't get 220511b41d2SMark Murray * descriptors 0 and 1 because that will screw up dup2 below. 221511b41d2SMark Murray */ 222333ee039SDag-Erling Smørgrav if (pipe(reserved) < 0) 223333ee039SDag-Erling Smørgrav fatal("pipe: %s", strerror(errno)); 224511b41d2SMark Murray 225511b41d2SMark Murray /* Create a socket pair for communicating with ssh. */ 226511b41d2SMark Murray if (pipe(pin) < 0) 227511b41d2SMark Murray fatal("pipe: %s", strerror(errno)); 228511b41d2SMark Murray if (pipe(pout) < 0) 229511b41d2SMark Murray fatal("pipe: %s", strerror(errno)); 230511b41d2SMark Murray 231511b41d2SMark Murray /* Free the reserved descriptors. */ 232511b41d2SMark Murray close(reserved[0]); 233511b41d2SMark Murray close(reserved[1]); 234511b41d2SMark Murray 235cf2b5f3bSDag-Erling Smørgrav /* Fork a child to execute the command on the remote host using ssh. */ 236e73e9afaSDag-Erling Smørgrav do_cmd_pid = fork(); 237e73e9afaSDag-Erling Smørgrav if (do_cmd_pid == 0) { 238511b41d2SMark Murray /* Child. */ 239511b41d2SMark Murray close(pin[1]); 240511b41d2SMark Murray close(pout[0]); 241511b41d2SMark Murray dup2(pin[0], 0); 242511b41d2SMark Murray dup2(pout[1], 1); 243511b41d2SMark Murray close(pin[0]); 244511b41d2SMark Murray close(pout[1]); 245511b41d2SMark Murray 246b74df5b2SDag-Erling Smørgrav replacearg(&args, 0, "%s", ssh_program); 2475b9b2fafSBrian Feldman if (remuser != NULL) 248ae1f160dSDag-Erling Smørgrav addargs(&args, "-l%s", remuser); 249ae1f160dSDag-Erling Smørgrav addargs(&args, "%s", host); 250ae1f160dSDag-Erling Smørgrav addargs(&args, "%s", cmd); 251511b41d2SMark Murray 2525b9b2fafSBrian Feldman execvp(ssh_program, args.list); 253b66f2d16SKris Kennaway perror(ssh_program); 254511b41d2SMark Murray exit(1); 255e73e9afaSDag-Erling Smørgrav } else if (do_cmd_pid == -1) { 256e73e9afaSDag-Erling Smørgrav fatal("fork: %s", strerror(errno)); 257511b41d2SMark Murray } 258511b41d2SMark Murray /* Parent. Close the other side, and return the local side. */ 259511b41d2SMark Murray close(pin[0]); 260511b41d2SMark Murray *fdout = pin[1]; 261511b41d2SMark Murray close(pout[1]); 262511b41d2SMark Murray *fdin = pout[0]; 263cf2b5f3bSDag-Erling Smørgrav signal(SIGTERM, killchild); 264cf2b5f3bSDag-Erling Smørgrav signal(SIGINT, killchild); 265cf2b5f3bSDag-Erling Smørgrav signal(SIGHUP, killchild); 266511b41d2SMark Murray return 0; 267511b41d2SMark Murray } 268511b41d2SMark Murray 269511b41d2SMark Murray typedef struct { 270d4ecd108SDag-Erling Smørgrav size_t cnt; 271511b41d2SMark Murray char *buf; 272511b41d2SMark Murray } BUF; 273511b41d2SMark Murray 274511b41d2SMark Murray BUF *allocbuf(BUF *, int, int); 275511b41d2SMark Murray void lostconn(int); 276511b41d2SMark Murray int okname(char *); 277511b41d2SMark Murray void run_err(const char *,...); 278511b41d2SMark Murray void verifydir(char *); 279511b41d2SMark Murray 280511b41d2SMark Murray struct passwd *pwd; 281511b41d2SMark Murray uid_t userid; 282511b41d2SMark Murray int errs, remin, remout; 283511b41d2SMark Murray int pflag, iamremote, iamrecursive, targetshouldbedirectory; 284511b41d2SMark Murray 285511b41d2SMark Murray #define CMDNEEDS 64 286511b41d2SMark Murray char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ 287511b41d2SMark Murray 288511b41d2SMark Murray int response(void); 289511b41d2SMark Murray void rsource(char *, struct stat *); 290511b41d2SMark Murray void sink(int, char *[]); 291511b41d2SMark Murray void source(int, char *[]); 292511b41d2SMark Murray void tolocal(int, char *[]); 293511b41d2SMark Murray void toremote(char *, int, char *[]); 294d4af9e69SDag-Erling Smørgrav size_t scpio(ssize_t (*)(int, void *, size_t), int, void *, size_t, off_t *); 295511b41d2SMark Murray void usage(void); 296511b41d2SMark Murray 297511b41d2SMark Murray int 298cf2b5f3bSDag-Erling Smørgrav main(int argc, char **argv) 299511b41d2SMark Murray { 300333ee039SDag-Erling Smørgrav int ch, fflag, tflag, status, n; 301e73e9afaSDag-Erling Smørgrav double speed; 302333ee039SDag-Erling Smørgrav char *targ, *endp, **newargv; 303511b41d2SMark Murray extern char *optarg; 304511b41d2SMark Murray extern int optind; 305511b41d2SMark Murray 306b74df5b2SDag-Erling Smørgrav /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ 307b74df5b2SDag-Erling Smørgrav sanitise_stdfd(); 308b74df5b2SDag-Erling Smørgrav 309333ee039SDag-Erling Smørgrav /* Copy argv, because we modify it */ 310333ee039SDag-Erling Smørgrav newargv = xcalloc(MAX(argc + 1, 1), sizeof(*newargv)); 311333ee039SDag-Erling Smørgrav for (n = 0; n < argc; n++) 312333ee039SDag-Erling Smørgrav newargv[n] = xstrdup(argv[n]); 313333ee039SDag-Erling Smørgrav argv = newargv; 314333ee039SDag-Erling Smørgrav 315cf2b5f3bSDag-Erling Smørgrav __progname = ssh_get_progname(argv[0]); 31683d2307dSDag-Erling Smørgrav 317b74df5b2SDag-Erling Smørgrav memset(&args, '\0', sizeof(args)); 3185b9b2fafSBrian Feldman args.list = NULL; 319b74df5b2SDag-Erling Smørgrav addargs(&args, "%s", ssh_program); 320ae1f160dSDag-Erling Smørgrav addargs(&args, "-x"); 321ae1f160dSDag-Erling Smørgrav addargs(&args, "-oForwardAgent no"); 322b74df5b2SDag-Erling Smørgrav addargs(&args, "-oPermitLocalCommand no"); 323ae1f160dSDag-Erling Smørgrav addargs(&args, "-oClearAllForwardings yes"); 3245b9b2fafSBrian Feldman 325511b41d2SMark Murray fflag = tflag = 0; 326e73e9afaSDag-Erling Smørgrav while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246S:o:F:")) != -1) 327511b41d2SMark Murray switch (ch) { 328511b41d2SMark Murray /* User-visible flags. */ 329e73e9afaSDag-Erling Smørgrav case '1': 330e73e9afaSDag-Erling Smørgrav case '2': 331511b41d2SMark Murray case '4': 332511b41d2SMark Murray case '6': 3335b9b2fafSBrian Feldman case 'C': 334ae1f160dSDag-Erling Smørgrav addargs(&args, "-%c", ch); 3355b9b2fafSBrian Feldman break; 3365b9b2fafSBrian Feldman case 'o': 3375b9b2fafSBrian Feldman case 'c': 3385b9b2fafSBrian Feldman case 'i': 339ae1f160dSDag-Erling Smørgrav case 'F': 340ae1f160dSDag-Erling Smørgrav addargs(&args, "-%c%s", ch, optarg); 3415b9b2fafSBrian Feldman break; 3425b9b2fafSBrian Feldman case 'P': 343ae1f160dSDag-Erling Smørgrav addargs(&args, "-p%s", optarg); 3445b9b2fafSBrian Feldman break; 3455b9b2fafSBrian Feldman case 'B': 346ae1f160dSDag-Erling Smørgrav addargs(&args, "-oBatchmode yes"); 347511b41d2SMark Murray break; 348e73e9afaSDag-Erling Smørgrav case 'l': 349e73e9afaSDag-Erling Smørgrav speed = strtod(optarg, &endp); 350e73e9afaSDag-Erling Smørgrav if (speed <= 0 || *endp != '\0') 351e73e9afaSDag-Erling Smørgrav usage(); 3521ec0d754SDag-Erling Smørgrav limit_rate = speed * 1024; 353e73e9afaSDag-Erling Smørgrav break; 354511b41d2SMark Murray case 'p': 355511b41d2SMark Murray pflag = 1; 356511b41d2SMark Murray break; 357511b41d2SMark Murray case 'r': 358511b41d2SMark Murray iamrecursive = 1; 359511b41d2SMark Murray break; 360b66f2d16SKris Kennaway case 'S': 3615b9b2fafSBrian Feldman ssh_program = xstrdup(optarg); 3625b9b2fafSBrian Feldman break; 3635b9b2fafSBrian Feldman case 'v': 364ae1f160dSDag-Erling Smørgrav addargs(&args, "-v"); 3655b9b2fafSBrian Feldman verbose_mode = 1; 3665b9b2fafSBrian Feldman break; 3675b9b2fafSBrian Feldman case 'q': 3681ec0d754SDag-Erling Smørgrav addargs(&args, "-q"); 3695b9b2fafSBrian Feldman showprogress = 0; 370b66f2d16SKris Kennaway break; 371b66f2d16SKris Kennaway 372511b41d2SMark Murray /* Server options. */ 373511b41d2SMark Murray case 'd': 374511b41d2SMark Murray targetshouldbedirectory = 1; 375511b41d2SMark Murray break; 376511b41d2SMark Murray case 'f': /* "from" */ 377511b41d2SMark Murray iamremote = 1; 378511b41d2SMark Murray fflag = 1; 379511b41d2SMark Murray break; 380511b41d2SMark Murray case 't': /* "to" */ 381511b41d2SMark Murray iamremote = 1; 382511b41d2SMark Murray tflag = 1; 38383d2307dSDag-Erling Smørgrav #ifdef HAVE_CYGWIN 38483d2307dSDag-Erling Smørgrav setmode(0, O_BINARY); 38583d2307dSDag-Erling Smørgrav #endif 386511b41d2SMark Murray break; 387511b41d2SMark Murray default: 388511b41d2SMark Murray usage(); 389511b41d2SMark Murray } 390511b41d2SMark Murray argc -= optind; 391511b41d2SMark Murray argv += optind; 392511b41d2SMark Murray 393511b41d2SMark Murray if ((pwd = getpwuid(userid = getuid())) == NULL) 394cf2b5f3bSDag-Erling Smørgrav fatal("unknown user %u", (u_int) userid); 395511b41d2SMark Murray 396d4af9e69SDag-Erling Smørgrav if (!isatty(STDOUT_FILENO)) 397511b41d2SMark Murray showprogress = 0; 398511b41d2SMark Murray 399511b41d2SMark Murray remin = STDIN_FILENO; 400511b41d2SMark Murray remout = STDOUT_FILENO; 401511b41d2SMark Murray 402511b41d2SMark Murray if (fflag) { 403511b41d2SMark Murray /* Follow "protocol", send data. */ 404511b41d2SMark Murray (void) response(); 405511b41d2SMark Murray source(argc, argv); 406511b41d2SMark Murray exit(errs != 0); 407511b41d2SMark Murray } 408511b41d2SMark Murray if (tflag) { 409511b41d2SMark Murray /* Receive data. */ 410511b41d2SMark Murray sink(argc, argv); 411511b41d2SMark Murray exit(errs != 0); 412511b41d2SMark Murray } 413511b41d2SMark Murray if (argc < 2) 414511b41d2SMark Murray usage(); 415511b41d2SMark Murray if (argc > 2) 416511b41d2SMark Murray targetshouldbedirectory = 1; 417511b41d2SMark Murray 418511b41d2SMark Murray remin = remout = -1; 419e73e9afaSDag-Erling Smørgrav do_cmd_pid = -1; 420511b41d2SMark Murray /* Command to be executed on remote system using "ssh". */ 4211e8db6e2SBrian Feldman (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", 4221e8db6e2SBrian Feldman verbose_mode ? " -v" : "", 423511b41d2SMark Murray iamrecursive ? " -r" : "", pflag ? " -p" : "", 424511b41d2SMark Murray targetshouldbedirectory ? " -d" : ""); 425511b41d2SMark Murray 426511b41d2SMark Murray (void) signal(SIGPIPE, lostconn); 427511b41d2SMark Murray 428511b41d2SMark Murray if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ 429511b41d2SMark Murray toremote(targ, argc, argv); 430511b41d2SMark Murray else { 431511b41d2SMark Murray if (targetshouldbedirectory) 432511b41d2SMark Murray verifydir(argv[argc - 1]); 433b74df5b2SDag-Erling Smørgrav tolocal(argc, argv); /* Dest is local host. */ 434511b41d2SMark Murray } 435e73e9afaSDag-Erling Smørgrav /* 436e73e9afaSDag-Erling Smørgrav * Finally check the exit status of the ssh process, if one was forked 437cce7d346SDag-Erling Smørgrav * and no error has occurred yet 438e73e9afaSDag-Erling Smørgrav */ 439e73e9afaSDag-Erling Smørgrav if (do_cmd_pid != -1 && errs == 0) { 440e73e9afaSDag-Erling Smørgrav if (remin != -1) 441e73e9afaSDag-Erling Smørgrav (void) close(remin); 442e73e9afaSDag-Erling Smørgrav if (remout != -1) 443e73e9afaSDag-Erling Smørgrav (void) close(remout); 444e73e9afaSDag-Erling Smørgrav if (waitpid(do_cmd_pid, &status, 0) == -1) 445e73e9afaSDag-Erling Smørgrav errs = 1; 446e73e9afaSDag-Erling Smørgrav else { 447e73e9afaSDag-Erling Smørgrav if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) 448e73e9afaSDag-Erling Smørgrav errs = 1; 449e73e9afaSDag-Erling Smørgrav } 450e73e9afaSDag-Erling Smørgrav } 451511b41d2SMark Murray exit(errs != 0); 452511b41d2SMark Murray } 453511b41d2SMark Murray 454d4af9e69SDag-Erling Smørgrav /* 455d4af9e69SDag-Erling Smørgrav * atomicio-like wrapper that also applies bandwidth limits and updates 456d4af9e69SDag-Erling Smørgrav * the progressmeter counter. 457d4af9e69SDag-Erling Smørgrav */ 458d4af9e69SDag-Erling Smørgrav size_t 459d4af9e69SDag-Erling Smørgrav scpio(ssize_t (*f)(int, void *, size_t), int fd, void *_p, size_t l, off_t *c) 460d4af9e69SDag-Erling Smørgrav { 461d4af9e69SDag-Erling Smørgrav u_char *p = (u_char *)_p; 462d4af9e69SDag-Erling Smørgrav size_t offset; 463d4af9e69SDag-Erling Smørgrav ssize_t r; 464d4af9e69SDag-Erling Smørgrav struct pollfd pfd; 465d4af9e69SDag-Erling Smørgrav 466d4af9e69SDag-Erling Smørgrav pfd.fd = fd; 467d4af9e69SDag-Erling Smørgrav pfd.events = f == read ? POLLIN : POLLOUT; 468d4af9e69SDag-Erling Smørgrav for (offset = 0; offset < l;) { 469d4af9e69SDag-Erling Smørgrav r = f(fd, p + offset, l - offset); 470d4af9e69SDag-Erling Smørgrav if (r == 0) { 471d4af9e69SDag-Erling Smørgrav errno = EPIPE; 472d4af9e69SDag-Erling Smørgrav return offset; 473d4af9e69SDag-Erling Smørgrav } 474d4af9e69SDag-Erling Smørgrav if (r < 0) { 475d4af9e69SDag-Erling Smørgrav if (errno == EINTR) 476d4af9e69SDag-Erling Smørgrav continue; 477d4af9e69SDag-Erling Smørgrav if (errno == EAGAIN || errno == EWOULDBLOCK) { 478d4af9e69SDag-Erling Smørgrav (void)poll(&pfd, 1, -1); /* Ignore errors */ 479d4af9e69SDag-Erling Smørgrav continue; 480d4af9e69SDag-Erling Smørgrav } 481d4af9e69SDag-Erling Smørgrav return offset; 482d4af9e69SDag-Erling Smørgrav } 483d4af9e69SDag-Erling Smørgrav offset += (size_t)r; 484d4af9e69SDag-Erling Smørgrav *c += (off_t)r; 485d4af9e69SDag-Erling Smørgrav if (limit_rate) 486d4af9e69SDag-Erling Smørgrav bwlimit(r); 487d4af9e69SDag-Erling Smørgrav } 488d4af9e69SDag-Erling Smørgrav return offset; 489d4af9e69SDag-Erling Smørgrav } 490d4af9e69SDag-Erling Smørgrav 491511b41d2SMark Murray void 492cf2b5f3bSDag-Erling Smørgrav toremote(char *targ, int argc, char **argv) 493511b41d2SMark Murray { 494aa49c926SDag-Erling Smørgrav char *bp, *host, *src, *suser, *thost, *tuser, *arg; 495b74df5b2SDag-Erling Smørgrav arglist alist; 496333ee039SDag-Erling Smørgrav int i; 497b74df5b2SDag-Erling Smørgrav 498b74df5b2SDag-Erling Smørgrav memset(&alist, '\0', sizeof(alist)); 499b74df5b2SDag-Erling Smørgrav alist.list = NULL; 500511b41d2SMark Murray 501511b41d2SMark Murray *targ++ = 0; 502511b41d2SMark Murray if (*targ == 0) 503511b41d2SMark Murray targ = "."; 504511b41d2SMark Murray 505aa49c926SDag-Erling Smørgrav arg = xstrdup(argv[argc - 1]); 506aa49c926SDag-Erling Smørgrav if ((thost = strrchr(arg, '@'))) { 507511b41d2SMark Murray /* user@host */ 508511b41d2SMark Murray *thost++ = 0; 509aa49c926SDag-Erling Smørgrav tuser = arg; 510511b41d2SMark Murray if (*tuser == '\0') 511511b41d2SMark Murray tuser = NULL; 512511b41d2SMark Murray } else { 513aa49c926SDag-Erling Smørgrav thost = arg; 514511b41d2SMark Murray tuser = NULL; 515511b41d2SMark Murray } 516511b41d2SMark Murray 517b74df5b2SDag-Erling Smørgrav if (tuser != NULL && !okname(tuser)) { 518b74df5b2SDag-Erling Smørgrav xfree(arg); 519b74df5b2SDag-Erling Smørgrav return; 520b74df5b2SDag-Erling Smørgrav } 521b74df5b2SDag-Erling Smørgrav 522511b41d2SMark Murray for (i = 0; i < argc - 1; i++) { 523511b41d2SMark Murray src = colon(argv[i]); 524511b41d2SMark Murray if (src) { /* remote to remote */ 525b74df5b2SDag-Erling Smørgrav freeargs(&alist); 526b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", ssh_program); 527b74df5b2SDag-Erling Smørgrav if (verbose_mode) 528b74df5b2SDag-Erling Smørgrav addargs(&alist, "-v"); 529b74df5b2SDag-Erling Smørgrav addargs(&alist, "-x"); 530b74df5b2SDag-Erling Smørgrav addargs(&alist, "-oClearAllForwardings yes"); 531b74df5b2SDag-Erling Smørgrav addargs(&alist, "-n"); 532b74df5b2SDag-Erling Smørgrav 533511b41d2SMark Murray *src++ = 0; 534511b41d2SMark Murray if (*src == 0) 535511b41d2SMark Murray src = "."; 536e73e9afaSDag-Erling Smørgrav host = strrchr(argv[i], '@'); 537b74df5b2SDag-Erling Smørgrav 538511b41d2SMark Murray if (host) { 539511b41d2SMark Murray *host++ = 0; 540511b41d2SMark Murray host = cleanhostname(host); 541511b41d2SMark Murray suser = argv[i]; 542511b41d2SMark Murray if (*suser == '\0') 543511b41d2SMark Murray suser = pwd->pw_name; 544b74df5b2SDag-Erling Smørgrav else if (!okname(suser)) 545511b41d2SMark Murray continue; 546b74df5b2SDag-Erling Smørgrav addargs(&alist, "-l"); 547b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", suser); 548511b41d2SMark Murray } else { 549511b41d2SMark Murray host = cleanhostname(argv[i]); 550b74df5b2SDag-Erling Smørgrav } 551b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", host); 552b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", cmd); 553b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", src); 554b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s%s%s:%s", 555511b41d2SMark Murray tuser ? tuser : "", tuser ? "@" : "", 556511b41d2SMark Murray thost, targ); 557b74df5b2SDag-Erling Smørgrav if (do_local_cmd(&alist) != 0) 5581ec0d754SDag-Erling Smørgrav errs = 1; 559511b41d2SMark Murray } else { /* local to remote */ 560511b41d2SMark Murray if (remin == -1) { 561333ee039SDag-Erling Smørgrav xasprintf(&bp, "%s -t %s", cmd, targ); 562511b41d2SMark Murray host = cleanhostname(thost); 563b66f2d16SKris Kennaway if (do_cmd(host, tuser, bp, &remin, 564333ee039SDag-Erling Smørgrav &remout) < 0) 565511b41d2SMark Murray exit(1); 566511b41d2SMark Murray if (response() < 0) 567511b41d2SMark Murray exit(1); 568511b41d2SMark Murray (void) xfree(bp); 569511b41d2SMark Murray } 570511b41d2SMark Murray source(1, argv + i); 571511b41d2SMark Murray } 572511b41d2SMark Murray } 573333ee039SDag-Erling Smørgrav xfree(arg); 574511b41d2SMark Murray } 575511b41d2SMark Murray 576511b41d2SMark Murray void 577cf2b5f3bSDag-Erling Smørgrav tolocal(int argc, char **argv) 578511b41d2SMark Murray { 579511b41d2SMark Murray char *bp, *host, *src, *suser; 580b74df5b2SDag-Erling Smørgrav arglist alist; 581333ee039SDag-Erling Smørgrav int i; 582b74df5b2SDag-Erling Smørgrav 583b74df5b2SDag-Erling Smørgrav memset(&alist, '\0', sizeof(alist)); 584b74df5b2SDag-Erling Smørgrav alist.list = NULL; 585511b41d2SMark Murray 586511b41d2SMark Murray for (i = 0; i < argc - 1; i++) { 587511b41d2SMark Murray if (!(src = colon(argv[i]))) { /* Local to local. */ 588b74df5b2SDag-Erling Smørgrav freeargs(&alist); 589b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", _PATH_CP); 590b74df5b2SDag-Erling Smørgrav if (iamrecursive) 591b74df5b2SDag-Erling Smørgrav addargs(&alist, "-r"); 592b74df5b2SDag-Erling Smørgrav if (pflag) 593b74df5b2SDag-Erling Smørgrav addargs(&alist, "-p"); 594b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", argv[i]); 595b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", argv[argc-1]); 596b74df5b2SDag-Erling Smørgrav if (do_local_cmd(&alist)) 597511b41d2SMark Murray ++errs; 598511b41d2SMark Murray continue; 599511b41d2SMark Murray } 600511b41d2SMark Murray *src++ = 0; 601511b41d2SMark Murray if (*src == 0) 602511b41d2SMark Murray src = "."; 603e73e9afaSDag-Erling Smørgrav if ((host = strrchr(argv[i], '@')) == NULL) { 604511b41d2SMark Murray host = argv[i]; 605511b41d2SMark Murray suser = NULL; 606511b41d2SMark Murray } else { 607511b41d2SMark Murray *host++ = 0; 608511b41d2SMark Murray suser = argv[i]; 609511b41d2SMark Murray if (*suser == '\0') 610511b41d2SMark Murray suser = pwd->pw_name; 611511b41d2SMark Murray } 612511b41d2SMark Murray host = cleanhostname(host); 613333ee039SDag-Erling Smørgrav xasprintf(&bp, "%s -f %s", cmd, src); 614333ee039SDag-Erling Smørgrav if (do_cmd(host, suser, bp, &remin, &remout) < 0) { 615511b41d2SMark Murray (void) xfree(bp); 616511b41d2SMark Murray ++errs; 617511b41d2SMark Murray continue; 618511b41d2SMark Murray } 619511b41d2SMark Murray xfree(bp); 620511b41d2SMark Murray sink(1, argv + argc - 1); 621511b41d2SMark Murray (void) close(remin); 622511b41d2SMark Murray remin = remout = -1; 623511b41d2SMark Murray } 624511b41d2SMark Murray } 625511b41d2SMark Murray 626511b41d2SMark Murray void 627cf2b5f3bSDag-Erling Smørgrav source(int argc, char **argv) 628511b41d2SMark Murray { 629511b41d2SMark Murray struct stat stb; 630511b41d2SMark Murray static BUF buffer; 631511b41d2SMark Murray BUF *bp; 632d4af9e69SDag-Erling Smørgrav off_t i, statbytes; 633d4af9e69SDag-Erling Smørgrav size_t amt; 634d4ecd108SDag-Erling Smørgrav int fd = -1, haderr, indx; 635d4af9e69SDag-Erling Smørgrav char *last, *name, buf[2048], encname[MAXPATHLEN]; 6361e8db6e2SBrian Feldman int len; 637511b41d2SMark Murray 638511b41d2SMark Murray for (indx = 0; indx < argc; ++indx) { 639511b41d2SMark Murray name = argv[indx]; 640511b41d2SMark Murray statbytes = 0; 6411e8db6e2SBrian Feldman len = strlen(name); 6421e8db6e2SBrian Feldman while (len > 1 && name[len-1] == '/') 6431e8db6e2SBrian Feldman name[--len] = '\0'; 644d4af9e69SDag-Erling Smørgrav if ((fd = open(name, O_RDONLY|O_NONBLOCK, 0)) < 0) 645511b41d2SMark Murray goto syserr; 646d4af9e69SDag-Erling Smørgrav if (strchr(name, '\n') != NULL) { 647d4af9e69SDag-Erling Smørgrav strnvis(encname, name, sizeof(encname), VIS_NL); 648d4af9e69SDag-Erling Smørgrav name = encname; 649d4af9e69SDag-Erling Smørgrav } 650511b41d2SMark Murray if (fstat(fd, &stb) < 0) { 651511b41d2SMark Murray syserr: run_err("%s: %s", name, strerror(errno)); 652511b41d2SMark Murray goto next; 653511b41d2SMark Murray } 654d4af9e69SDag-Erling Smørgrav if (stb.st_size < 0) { 655d4af9e69SDag-Erling Smørgrav run_err("%s: %s", name, "Negative file size"); 656d4af9e69SDag-Erling Smørgrav goto next; 657d4af9e69SDag-Erling Smørgrav } 658d4af9e69SDag-Erling Smørgrav unset_nonblock(fd); 659511b41d2SMark Murray switch (stb.st_mode & S_IFMT) { 660511b41d2SMark Murray case S_IFREG: 661511b41d2SMark Murray break; 662511b41d2SMark Murray case S_IFDIR: 663511b41d2SMark Murray if (iamrecursive) { 664511b41d2SMark Murray rsource(name, &stb); 665511b41d2SMark Murray goto next; 666511b41d2SMark Murray } 667511b41d2SMark Murray /* FALLTHROUGH */ 668511b41d2SMark Murray default: 669511b41d2SMark Murray run_err("%s: not a regular file", name); 670511b41d2SMark Murray goto next; 671511b41d2SMark Murray } 672511b41d2SMark Murray if ((last = strrchr(name, '/')) == NULL) 673511b41d2SMark Murray last = name; 674511b41d2SMark Murray else 675511b41d2SMark Murray ++last; 676511b41d2SMark Murray curfile = last; 677511b41d2SMark Murray if (pflag) { 678511b41d2SMark Murray /* 679511b41d2SMark Murray * Make it compatible with possible future 680511b41d2SMark Murray * versions expecting microseconds. 681511b41d2SMark Murray */ 6821e8db6e2SBrian Feldman (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", 683d4af9e69SDag-Erling Smørgrav (u_long) (stb.st_mtime < 0 ? 0 : stb.st_mtime), 684d4af9e69SDag-Erling Smørgrav (u_long) (stb.st_atime < 0 ? 0 : stb.st_atime)); 685d4af9e69SDag-Erling Smørgrav if (verbose_mode) { 686d4af9e69SDag-Erling Smørgrav fprintf(stderr, "File mtime %ld atime %ld\n", 687d4af9e69SDag-Erling Smørgrav (long)stb.st_mtime, (long)stb.st_atime); 688d4af9e69SDag-Erling Smørgrav fprintf(stderr, "Sending file timestamps: %s", 689d4af9e69SDag-Erling Smørgrav buf); 690d4af9e69SDag-Erling Smørgrav } 691cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, buf, strlen(buf)); 692511b41d2SMark Murray if (response() < 0) 693511b41d2SMark Murray goto next; 694511b41d2SMark Murray } 695511b41d2SMark Murray #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) 6961e8db6e2SBrian Feldman snprintf(buf, sizeof buf, "C%04o %lld %s\n", 6971e8db6e2SBrian Feldman (u_int) (stb.st_mode & FILEMODEMASK), 698b74df5b2SDag-Erling Smørgrav (long long)stb.st_size, last); 699511b41d2SMark Murray if (verbose_mode) { 700511b41d2SMark Murray fprintf(stderr, "Sending file modes: %s", buf); 701511b41d2SMark Murray } 702cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, buf, strlen(buf)); 703511b41d2SMark Murray if (response() < 0) 704511b41d2SMark Murray goto next; 705d4af9e69SDag-Erling Smørgrav if ((bp = allocbuf(&buffer, fd, COPY_BUFLEN)) == NULL) { 706b74df5b2SDag-Erling Smørgrav next: if (fd != -1) { 707b74df5b2SDag-Erling Smørgrav (void) close(fd); 708b74df5b2SDag-Erling Smørgrav fd = -1; 709b74df5b2SDag-Erling Smørgrav } 710511b41d2SMark Murray continue; 711511b41d2SMark Murray } 712e73e9afaSDag-Erling Smørgrav if (showprogress) 713e73e9afaSDag-Erling Smørgrav start_progress_meter(curfile, stb.st_size, &statbytes); 714d4af9e69SDag-Erling Smørgrav set_nonblock(remout); 715511b41d2SMark Murray for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { 716511b41d2SMark Murray amt = bp->cnt; 717d4af9e69SDag-Erling Smørgrav if (i + (off_t)amt > stb.st_size) 718511b41d2SMark Murray amt = stb.st_size - i; 719511b41d2SMark Murray if (!haderr) { 720d4af9e69SDag-Erling Smørgrav if (atomicio(read, fd, bp->buf, amt) != amt) 721d4ecd108SDag-Erling Smørgrav haderr = errno; 722511b41d2SMark Murray } 723d4af9e69SDag-Erling Smørgrav /* Keep writing after error to retain sync */ 724d4af9e69SDag-Erling Smørgrav if (haderr) { 725cf2b5f3bSDag-Erling Smørgrav (void)atomicio(vwrite, remout, bp->buf, amt); 726d4af9e69SDag-Erling Smørgrav continue; 727d4af9e69SDag-Erling Smørgrav } 728d4af9e69SDag-Erling Smørgrav if (scpio(vwrite, remout, bp->buf, amt, 729d4af9e69SDag-Erling Smørgrav &statbytes) != amt) 730d4ecd108SDag-Erling Smørgrav haderr = errno; 731511b41d2SMark Murray } 732d4af9e69SDag-Erling Smørgrav unset_nonblock(remout); 733511b41d2SMark Murray if (showprogress) 734e73e9afaSDag-Erling Smørgrav stop_progress_meter(); 735511b41d2SMark Murray 736b74df5b2SDag-Erling Smørgrav if (fd != -1) { 737511b41d2SMark Murray if (close(fd) < 0 && !haderr) 738511b41d2SMark Murray haderr = errno; 739b74df5b2SDag-Erling Smørgrav fd = -1; 740b74df5b2SDag-Erling Smørgrav } 741511b41d2SMark Murray if (!haderr) 742cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 743511b41d2SMark Murray else 744511b41d2SMark Murray run_err("%s: %s", name, strerror(haderr)); 745511b41d2SMark Murray (void) response(); 746511b41d2SMark Murray } 747511b41d2SMark Murray } 748511b41d2SMark Murray 749511b41d2SMark Murray void 750cf2b5f3bSDag-Erling Smørgrav rsource(char *name, struct stat *statp) 751511b41d2SMark Murray { 752511b41d2SMark Murray DIR *dirp; 753511b41d2SMark Murray struct dirent *dp; 754511b41d2SMark Murray char *last, *vect[1], path[1100]; 755511b41d2SMark Murray 756511b41d2SMark Murray if (!(dirp = opendir(name))) { 757511b41d2SMark Murray run_err("%s: %s", name, strerror(errno)); 758511b41d2SMark Murray return; 759511b41d2SMark Murray } 760511b41d2SMark Murray last = strrchr(name, '/'); 761511b41d2SMark Murray if (last == 0) 762511b41d2SMark Murray last = name; 763511b41d2SMark Murray else 764511b41d2SMark Murray last++; 765511b41d2SMark Murray if (pflag) { 7661e8db6e2SBrian Feldman (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", 7671e8db6e2SBrian Feldman (u_long) statp->st_mtime, 7681e8db6e2SBrian Feldman (u_long) statp->st_atime); 769cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, path, strlen(path)); 770511b41d2SMark Murray if (response() < 0) { 771511b41d2SMark Murray closedir(dirp); 772511b41d2SMark Murray return; 773511b41d2SMark Murray } 774511b41d2SMark Murray } 7751e8db6e2SBrian Feldman (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", 7761e8db6e2SBrian Feldman (u_int) (statp->st_mode & FILEMODEMASK), 0, last); 777511b41d2SMark Murray if (verbose_mode) 778511b41d2SMark Murray fprintf(stderr, "Entering directory: %s", path); 779cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, path, strlen(path)); 780511b41d2SMark Murray if (response() < 0) { 781511b41d2SMark Murray closedir(dirp); 782511b41d2SMark Murray return; 783511b41d2SMark Murray } 7841e8db6e2SBrian Feldman while ((dp = readdir(dirp)) != NULL) { 785511b41d2SMark Murray if (dp->d_ino == 0) 786511b41d2SMark Murray continue; 787511b41d2SMark Murray if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) 788511b41d2SMark Murray continue; 789511b41d2SMark Murray if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { 790511b41d2SMark Murray run_err("%s/%s: name too long", name, dp->d_name); 791511b41d2SMark Murray continue; 792511b41d2SMark Murray } 7931e8db6e2SBrian Feldman (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); 794511b41d2SMark Murray vect[0] = path; 795511b41d2SMark Murray source(1, vect); 796511b41d2SMark Murray } 797511b41d2SMark Murray (void) closedir(dirp); 798cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "E\n", 2); 799511b41d2SMark Murray (void) response(); 800511b41d2SMark Murray } 801511b41d2SMark Murray 802511b41d2SMark Murray void 803e73e9afaSDag-Erling Smørgrav bwlimit(int amount) 804e73e9afaSDag-Erling Smørgrav { 805e73e9afaSDag-Erling Smørgrav static struct timeval bwstart, bwend; 806e73e9afaSDag-Erling Smørgrav static int lamt, thresh = 16384; 80721e764dfSDag-Erling Smørgrav u_int64_t waitlen; 808e73e9afaSDag-Erling Smørgrav struct timespec ts, rm; 809e73e9afaSDag-Erling Smørgrav 810e73e9afaSDag-Erling Smørgrav if (!timerisset(&bwstart)) { 811e73e9afaSDag-Erling Smørgrav gettimeofday(&bwstart, NULL); 812e73e9afaSDag-Erling Smørgrav return; 813e73e9afaSDag-Erling Smørgrav } 814e73e9afaSDag-Erling Smørgrav 815e73e9afaSDag-Erling Smørgrav lamt += amount; 816e73e9afaSDag-Erling Smørgrav if (lamt < thresh) 817e73e9afaSDag-Erling Smørgrav return; 818e73e9afaSDag-Erling Smørgrav 819e73e9afaSDag-Erling Smørgrav gettimeofday(&bwend, NULL); 820e73e9afaSDag-Erling Smørgrav timersub(&bwend, &bwstart, &bwend); 821e73e9afaSDag-Erling Smørgrav if (!timerisset(&bwend)) 822e73e9afaSDag-Erling Smørgrav return; 823e73e9afaSDag-Erling Smørgrav 824e73e9afaSDag-Erling Smørgrav lamt *= 8; 82521e764dfSDag-Erling Smørgrav waitlen = (double)1000000L * lamt / limit_rate; 826e73e9afaSDag-Erling Smørgrav 82721e764dfSDag-Erling Smørgrav bwstart.tv_sec = waitlen / 1000000L; 82821e764dfSDag-Erling Smørgrav bwstart.tv_usec = waitlen % 1000000L; 829e73e9afaSDag-Erling Smørgrav 830e73e9afaSDag-Erling Smørgrav if (timercmp(&bwstart, &bwend, >)) { 831e73e9afaSDag-Erling Smørgrav timersub(&bwstart, &bwend, &bwend); 832e73e9afaSDag-Erling Smørgrav 833e73e9afaSDag-Erling Smørgrav /* Adjust the wait time */ 834e73e9afaSDag-Erling Smørgrav if (bwend.tv_sec) { 835e73e9afaSDag-Erling Smørgrav thresh /= 2; 836e73e9afaSDag-Erling Smørgrav if (thresh < 2048) 837e73e9afaSDag-Erling Smørgrav thresh = 2048; 838d4af9e69SDag-Erling Smørgrav } else if (bwend.tv_usec < 10000) { 839e73e9afaSDag-Erling Smørgrav thresh *= 2; 840d4af9e69SDag-Erling Smørgrav if (thresh > COPY_BUFLEN * 4) 841d4af9e69SDag-Erling Smørgrav thresh = COPY_BUFLEN * 4; 842e73e9afaSDag-Erling Smørgrav } 843e73e9afaSDag-Erling Smørgrav 844e73e9afaSDag-Erling Smørgrav TIMEVAL_TO_TIMESPEC(&bwend, &ts); 845e73e9afaSDag-Erling Smørgrav while (nanosleep(&ts, &rm) == -1) { 846e73e9afaSDag-Erling Smørgrav if (errno != EINTR) 847e73e9afaSDag-Erling Smørgrav break; 848e73e9afaSDag-Erling Smørgrav ts = rm; 849e73e9afaSDag-Erling Smørgrav } 850e73e9afaSDag-Erling Smørgrav } 851e73e9afaSDag-Erling Smørgrav 852e73e9afaSDag-Erling Smørgrav lamt = 0; 853e73e9afaSDag-Erling Smørgrav gettimeofday(&bwstart, NULL); 854e73e9afaSDag-Erling Smørgrav } 855e73e9afaSDag-Erling Smørgrav 856e73e9afaSDag-Erling Smørgrav void 857cf2b5f3bSDag-Erling Smørgrav sink(int argc, char **argv) 858511b41d2SMark Murray { 859511b41d2SMark Murray static BUF buffer; 860511b41d2SMark Murray struct stat stb; 861511b41d2SMark Murray enum { 862511b41d2SMark Murray YES, NO, DISPLAYED 863511b41d2SMark Murray } wrerr; 864511b41d2SMark Murray BUF *bp; 865d4ecd108SDag-Erling Smørgrav off_t i; 866d4ecd108SDag-Erling Smørgrav size_t j, count; 867333ee039SDag-Erling Smørgrav int amt, exists, first, ofd; 868333ee039SDag-Erling Smørgrav mode_t mode, omode, mask; 869e73e9afaSDag-Erling Smørgrav off_t size, statbytes; 870b66f2d16SKris Kennaway int setimes, targisdir, wrerrno = 0; 871511b41d2SMark Murray char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; 8725b9b2fafSBrian Feldman struct timeval tv[2]; 873511b41d2SMark Murray 8741e8db6e2SBrian Feldman #define atime tv[0] 8751e8db6e2SBrian Feldman #define mtime tv[1] 876aa49c926SDag-Erling Smørgrav #define SCREWUP(str) { why = str; goto screwup; } 877511b41d2SMark Murray 878511b41d2SMark Murray setimes = targisdir = 0; 879511b41d2SMark Murray mask = umask(0); 880511b41d2SMark Murray if (!pflag) 881511b41d2SMark Murray (void) umask(mask); 882511b41d2SMark Murray if (argc != 1) { 883511b41d2SMark Murray run_err("ambiguous target"); 884511b41d2SMark Murray exit(1); 885511b41d2SMark Murray } 886511b41d2SMark Murray targ = *argv; 887511b41d2SMark Murray if (targetshouldbedirectory) 888511b41d2SMark Murray verifydir(targ); 889511b41d2SMark Murray 890cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 891511b41d2SMark Murray if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) 892511b41d2SMark Murray targisdir = 1; 893511b41d2SMark Murray for (first = 1;; first = 0) { 894511b41d2SMark Murray cp = buf; 895d4ecd108SDag-Erling Smørgrav if (atomicio(read, remin, cp, 1) != 1) 896511b41d2SMark Murray return; 897511b41d2SMark Murray if (*cp++ == '\n') 898511b41d2SMark Murray SCREWUP("unexpected <newline>"); 899511b41d2SMark Murray do { 900a04a10f8SKris Kennaway if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) 901511b41d2SMark Murray SCREWUP("lost connection"); 902511b41d2SMark Murray *cp++ = ch; 903511b41d2SMark Murray } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); 904511b41d2SMark Murray *cp = 0; 90521e764dfSDag-Erling Smørgrav if (verbose_mode) 90621e764dfSDag-Erling Smørgrav fprintf(stderr, "Sink: %s", buf); 907511b41d2SMark Murray 908511b41d2SMark Murray if (buf[0] == '\01' || buf[0] == '\02') { 909511b41d2SMark Murray if (iamremote == 0) 910cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, STDERR_FILENO, 911511b41d2SMark Murray buf + 1, strlen(buf + 1)); 912511b41d2SMark Murray if (buf[0] == '\02') 913511b41d2SMark Murray exit(1); 914511b41d2SMark Murray ++errs; 915511b41d2SMark Murray continue; 916511b41d2SMark Murray } 917511b41d2SMark Murray if (buf[0] == 'E') { 918cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 919511b41d2SMark Murray return; 920511b41d2SMark Murray } 921511b41d2SMark Murray if (ch == '\n') 922511b41d2SMark Murray *--cp = 0; 923511b41d2SMark Murray 924511b41d2SMark Murray cp = buf; 925511b41d2SMark Murray if (*cp == 'T') { 926511b41d2SMark Murray setimes++; 927511b41d2SMark Murray cp++; 9281e8db6e2SBrian Feldman mtime.tv_sec = strtol(cp, &cp, 10); 9291e8db6e2SBrian Feldman if (!cp || *cp++ != ' ') 930511b41d2SMark Murray SCREWUP("mtime.sec not delimited"); 9311e8db6e2SBrian Feldman mtime.tv_usec = strtol(cp, &cp, 10); 9321e8db6e2SBrian Feldman if (!cp || *cp++ != ' ') 933511b41d2SMark Murray SCREWUP("mtime.usec not delimited"); 9341e8db6e2SBrian Feldman atime.tv_sec = strtol(cp, &cp, 10); 9351e8db6e2SBrian Feldman if (!cp || *cp++ != ' ') 936511b41d2SMark Murray SCREWUP("atime.sec not delimited"); 9371e8db6e2SBrian Feldman atime.tv_usec = strtol(cp, &cp, 10); 9381e8db6e2SBrian Feldman if (!cp || *cp++ != '\0') 939511b41d2SMark Murray SCREWUP("atime.usec not delimited"); 940cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 941511b41d2SMark Murray continue; 942511b41d2SMark Murray } 943511b41d2SMark Murray if (*cp != 'C' && *cp != 'D') { 944511b41d2SMark Murray /* 945511b41d2SMark Murray * Check for the case "rcp remote:foo\* local:bar". 946511b41d2SMark Murray * In this case, the line "No match." can be returned 947511b41d2SMark Murray * by the shell before the rcp command on the remote is 948511b41d2SMark Murray * executed so the ^Aerror_message convention isn't 949511b41d2SMark Murray * followed. 950511b41d2SMark Murray */ 951511b41d2SMark Murray if (first) { 952511b41d2SMark Murray run_err("%s", cp); 953511b41d2SMark Murray exit(1); 954511b41d2SMark Murray } 955511b41d2SMark Murray SCREWUP("expected control record"); 956511b41d2SMark Murray } 957511b41d2SMark Murray mode = 0; 958511b41d2SMark Murray for (++cp; cp < buf + 5; cp++) { 959511b41d2SMark Murray if (*cp < '0' || *cp > '7') 960511b41d2SMark Murray SCREWUP("bad mode"); 961511b41d2SMark Murray mode = (mode << 3) | (*cp - '0'); 962511b41d2SMark Murray } 963511b41d2SMark Murray if (*cp++ != ' ') 964511b41d2SMark Murray SCREWUP("mode not delimited"); 965511b41d2SMark Murray 9661e8db6e2SBrian Feldman for (size = 0; isdigit(*cp);) 967511b41d2SMark Murray size = size * 10 + (*cp++ - '0'); 968511b41d2SMark Murray if (*cp++ != ' ') 969511b41d2SMark Murray SCREWUP("size not delimited"); 97021e764dfSDag-Erling Smørgrav if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) { 97121e764dfSDag-Erling Smørgrav run_err("error: unexpected filename: %s", cp); 97221e764dfSDag-Erling Smørgrav exit(1); 97321e764dfSDag-Erling Smørgrav } 974511b41d2SMark Murray if (targisdir) { 975511b41d2SMark Murray static char *namebuf; 976d4ecd108SDag-Erling Smørgrav static size_t cursize; 977511b41d2SMark Murray size_t need; 978511b41d2SMark Murray 979511b41d2SMark Murray need = strlen(targ) + strlen(cp) + 250; 9801e8db6e2SBrian Feldman if (need > cursize) { 9811e8db6e2SBrian Feldman if (namebuf) 9821e8db6e2SBrian Feldman xfree(namebuf); 983511b41d2SMark Murray namebuf = xmalloc(need); 9841e8db6e2SBrian Feldman cursize = need; 9851e8db6e2SBrian Feldman } 9861e8db6e2SBrian Feldman (void) snprintf(namebuf, need, "%s%s%s", targ, 987545d5ecaSDag-Erling Smørgrav strcmp(targ, "/") ? "/" : "", cp); 988511b41d2SMark Murray np = namebuf; 989511b41d2SMark Murray } else 990511b41d2SMark Murray np = targ; 991511b41d2SMark Murray curfile = cp; 992511b41d2SMark Murray exists = stat(np, &stb) == 0; 993511b41d2SMark Murray if (buf[0] == 'D') { 994511b41d2SMark Murray int mod_flag = pflag; 99521e764dfSDag-Erling Smørgrav if (!iamrecursive) 99621e764dfSDag-Erling Smørgrav SCREWUP("received directory without -r"); 997511b41d2SMark Murray if (exists) { 998511b41d2SMark Murray if (!S_ISDIR(stb.st_mode)) { 999511b41d2SMark Murray errno = ENOTDIR; 1000511b41d2SMark Murray goto bad; 1001511b41d2SMark Murray } 1002511b41d2SMark Murray if (pflag) 1003511b41d2SMark Murray (void) chmod(np, mode); 1004511b41d2SMark Murray } else { 1005511b41d2SMark Murray /* Handle copying from a read-only 1006511b41d2SMark Murray directory */ 1007511b41d2SMark Murray mod_flag = 1; 1008511b41d2SMark Murray if (mkdir(np, mode | S_IRWXU) < 0) 1009511b41d2SMark Murray goto bad; 1010511b41d2SMark Murray } 10111e8db6e2SBrian Feldman vect[0] = xstrdup(np); 1012511b41d2SMark Murray sink(1, vect); 1013511b41d2SMark Murray if (setimes) { 1014511b41d2SMark Murray setimes = 0; 10151e8db6e2SBrian Feldman if (utimes(vect[0], tv) < 0) 1016511b41d2SMark Murray run_err("%s: set times: %s", 10171e8db6e2SBrian Feldman vect[0], strerror(errno)); 1018511b41d2SMark Murray } 1019511b41d2SMark Murray if (mod_flag) 10201e8db6e2SBrian Feldman (void) chmod(vect[0], mode); 10211e8db6e2SBrian Feldman if (vect[0]) 10221e8db6e2SBrian Feldman xfree(vect[0]); 1023511b41d2SMark Murray continue; 1024511b41d2SMark Murray } 1025511b41d2SMark Murray omode = mode; 1026511b41d2SMark Murray mode |= S_IWRITE; 1027ae1f160dSDag-Erling Smørgrav if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { 1028511b41d2SMark Murray bad: run_err("%s: %s", np, strerror(errno)); 1029511b41d2SMark Murray continue; 1030511b41d2SMark Murray } 1031cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 1032d4af9e69SDag-Erling Smørgrav if ((bp = allocbuf(&buffer, ofd, COPY_BUFLEN)) == NULL) { 1033511b41d2SMark Murray (void) close(ofd); 1034511b41d2SMark Murray continue; 1035511b41d2SMark Murray } 1036511b41d2SMark Murray cp = bp->buf; 1037511b41d2SMark Murray wrerr = NO; 1038511b41d2SMark Murray 1039511b41d2SMark Murray statbytes = 0; 1040e73e9afaSDag-Erling Smørgrav if (showprogress) 1041e73e9afaSDag-Erling Smørgrav start_progress_meter(curfile, size, &statbytes); 1042d4af9e69SDag-Erling Smørgrav set_nonblock(remin); 1043d4af9e69SDag-Erling Smørgrav for (count = i = 0; i < size; i += bp->cnt) { 1044d4af9e69SDag-Erling Smørgrav amt = bp->cnt; 1045511b41d2SMark Murray if (i + amt > size) 1046511b41d2SMark Murray amt = size - i; 1047511b41d2SMark Murray count += amt; 1048511b41d2SMark Murray do { 1049d4af9e69SDag-Erling Smørgrav j = scpio(read, remin, cp, amt, &statbytes); 1050d4ecd108SDag-Erling Smørgrav if (j == 0) { 1051d4af9e69SDag-Erling Smørgrav run_err("%s", j != EPIPE ? 1052d4af9e69SDag-Erling Smørgrav strerror(errno) : 1053511b41d2SMark Murray "dropped connection"); 1054511b41d2SMark Murray exit(1); 1055511b41d2SMark Murray } 1056511b41d2SMark Murray amt -= j; 1057511b41d2SMark Murray cp += j; 1058511b41d2SMark Murray } while (amt > 0); 1059e73e9afaSDag-Erling Smørgrav 1060511b41d2SMark Murray if (count == bp->cnt) { 1061511b41d2SMark Murray /* Keep reading so we stay sync'd up. */ 1062511b41d2SMark Murray if (wrerr == NO) { 1063d4ecd108SDag-Erling Smørgrav if (atomicio(vwrite, ofd, bp->buf, 1064d4ecd108SDag-Erling Smørgrav count) != count) { 1065511b41d2SMark Murray wrerr = YES; 1066d4ecd108SDag-Erling Smørgrav wrerrno = errno; 1067511b41d2SMark Murray } 1068511b41d2SMark Murray } 1069511b41d2SMark Murray count = 0; 1070511b41d2SMark Murray cp = bp->buf; 1071511b41d2SMark Murray } 1072511b41d2SMark Murray } 1073d4af9e69SDag-Erling Smørgrav unset_nonblock(remin); 1074511b41d2SMark Murray if (showprogress) 1075e73e9afaSDag-Erling Smørgrav stop_progress_meter(); 1076511b41d2SMark Murray if (count != 0 && wrerr == NO && 1077d4ecd108SDag-Erling Smørgrav atomicio(vwrite, ofd, bp->buf, count) != count) { 1078511b41d2SMark Murray wrerr = YES; 1079d4ecd108SDag-Erling Smørgrav wrerrno = errno; 1080511b41d2SMark Murray } 1081d4af9e69SDag-Erling Smørgrav if (wrerr == NO && (!exists || S_ISREG(stb.st_mode)) && 1082d4af9e69SDag-Erling Smørgrav ftruncate(ofd, size) != 0) { 1083511b41d2SMark Murray run_err("%s: truncate: %s", np, strerror(errno)); 1084511b41d2SMark Murray wrerr = DISPLAYED; 1085511b41d2SMark Murray } 1086511b41d2SMark Murray if (pflag) { 1087511b41d2SMark Murray if (exists || omode != mode) 108883d2307dSDag-Erling Smørgrav #ifdef HAVE_FCHMOD 108921e764dfSDag-Erling Smørgrav if (fchmod(ofd, omode)) { 109083d2307dSDag-Erling Smørgrav #else /* HAVE_FCHMOD */ 109121e764dfSDag-Erling Smørgrav if (chmod(np, omode)) { 109283d2307dSDag-Erling Smørgrav #endif /* HAVE_FCHMOD */ 1093511b41d2SMark Murray run_err("%s: set mode: %s", 1094511b41d2SMark Murray np, strerror(errno)); 109521e764dfSDag-Erling Smørgrav wrerr = DISPLAYED; 109621e764dfSDag-Erling Smørgrav } 1097511b41d2SMark Murray } else { 1098511b41d2SMark Murray if (!exists && omode != mode) 109983d2307dSDag-Erling Smørgrav #ifdef HAVE_FCHMOD 110021e764dfSDag-Erling Smørgrav if (fchmod(ofd, omode & ~mask)) { 110183d2307dSDag-Erling Smørgrav #else /* HAVE_FCHMOD */ 110221e764dfSDag-Erling Smørgrav if (chmod(np, omode & ~mask)) { 110383d2307dSDag-Erling Smørgrav #endif /* HAVE_FCHMOD */ 1104511b41d2SMark Murray run_err("%s: set mode: %s", 1105511b41d2SMark Murray np, strerror(errno)); 110621e764dfSDag-Erling Smørgrav wrerr = DISPLAYED; 110721e764dfSDag-Erling Smørgrav } 1108511b41d2SMark Murray } 1109b66f2d16SKris Kennaway if (close(ofd) == -1) { 1110b66f2d16SKris Kennaway wrerr = YES; 1111b66f2d16SKris Kennaway wrerrno = errno; 1112b66f2d16SKris Kennaway } 1113511b41d2SMark Murray (void) response(); 1114511b41d2SMark Murray if (setimes && wrerr == NO) { 1115511b41d2SMark Murray setimes = 0; 11165b9b2fafSBrian Feldman if (utimes(np, tv) < 0) { 1117511b41d2SMark Murray run_err("%s: set times: %s", 1118511b41d2SMark Murray np, strerror(errno)); 1119511b41d2SMark Murray wrerr = DISPLAYED; 1120511b41d2SMark Murray } 1121511b41d2SMark Murray } 1122511b41d2SMark Murray switch (wrerr) { 1123511b41d2SMark Murray case YES: 1124511b41d2SMark Murray run_err("%s: %s", np, strerror(wrerrno)); 1125511b41d2SMark Murray break; 1126511b41d2SMark Murray case NO: 1127cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 1128511b41d2SMark Murray break; 1129511b41d2SMark Murray case DISPLAYED: 1130511b41d2SMark Murray break; 1131511b41d2SMark Murray } 1132511b41d2SMark Murray } 1133511b41d2SMark Murray screwup: 1134511b41d2SMark Murray run_err("protocol error: %s", why); 1135511b41d2SMark Murray exit(1); 1136511b41d2SMark Murray } 1137511b41d2SMark Murray 1138511b41d2SMark Murray int 1139ae1f160dSDag-Erling Smørgrav response(void) 1140511b41d2SMark Murray { 1141511b41d2SMark Murray char ch, *cp, resp, rbuf[2048]; 1142511b41d2SMark Murray 1143a04a10f8SKris Kennaway if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) 1144511b41d2SMark Murray lostconn(0); 1145511b41d2SMark Murray 1146511b41d2SMark Murray cp = rbuf; 1147511b41d2SMark Murray switch (resp) { 1148511b41d2SMark Murray case 0: /* ok */ 1149511b41d2SMark Murray return (0); 1150511b41d2SMark Murray default: 1151511b41d2SMark Murray *cp++ = resp; 1152511b41d2SMark Murray /* FALLTHROUGH */ 1153511b41d2SMark Murray case 1: /* error, followed by error msg */ 1154511b41d2SMark Murray case 2: /* fatal error, "" */ 1155511b41d2SMark Murray do { 1156a04a10f8SKris Kennaway if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) 1157511b41d2SMark Murray lostconn(0); 1158511b41d2SMark Murray *cp++ = ch; 1159511b41d2SMark Murray } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); 1160511b41d2SMark Murray 1161511b41d2SMark Murray if (!iamremote) 1162cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, STDERR_FILENO, rbuf, cp - rbuf); 1163511b41d2SMark Murray ++errs; 1164511b41d2SMark Murray if (resp == 1) 1165511b41d2SMark Murray return (-1); 1166511b41d2SMark Murray exit(1); 1167511b41d2SMark Murray } 1168511b41d2SMark Murray /* NOTREACHED */ 1169511b41d2SMark Murray } 1170511b41d2SMark Murray 1171511b41d2SMark Murray void 1172ae1f160dSDag-Erling Smørgrav usage(void) 1173511b41d2SMark Murray { 1174ae1f160dSDag-Erling Smørgrav (void) fprintf(stderr, 11751ec0d754SDag-Erling Smørgrav "usage: scp [-1246BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]\n" 11761ec0d754SDag-Erling Smørgrav " [-l limit] [-o ssh_option] [-P port] [-S program]\n" 1177d4af9e69SDag-Erling Smørgrav " [[user@]host1:]file1 ... [[user@]host2:]file2\n"); 1178511b41d2SMark Murray exit(1); 1179511b41d2SMark Murray } 1180511b41d2SMark Murray 1181511b41d2SMark Murray void 1182511b41d2SMark Murray run_err(const char *fmt,...) 1183511b41d2SMark Murray { 1184511b41d2SMark Murray static FILE *fp; 1185511b41d2SMark Murray va_list ap; 1186511b41d2SMark Murray 1187511b41d2SMark Murray ++errs; 1188333ee039SDag-Erling Smørgrav if (fp != NULL || (remout != -1 && (fp = fdopen(remout, "w")))) { 1189511b41d2SMark Murray (void) fprintf(fp, "%c", 0x01); 1190511b41d2SMark Murray (void) fprintf(fp, "scp: "); 1191ae1f160dSDag-Erling Smørgrav va_start(ap, fmt); 1192511b41d2SMark Murray (void) vfprintf(fp, fmt, ap); 1193ae1f160dSDag-Erling Smørgrav va_end(ap); 1194511b41d2SMark Murray (void) fprintf(fp, "\n"); 1195511b41d2SMark Murray (void) fflush(fp); 1196333ee039SDag-Erling Smørgrav } 1197511b41d2SMark Murray 1198511b41d2SMark Murray if (!iamremote) { 1199ae1f160dSDag-Erling Smørgrav va_start(ap, fmt); 1200511b41d2SMark Murray vfprintf(stderr, fmt, ap); 1201ae1f160dSDag-Erling Smørgrav va_end(ap); 1202511b41d2SMark Murray fprintf(stderr, "\n"); 1203511b41d2SMark Murray } 1204511b41d2SMark Murray } 1205511b41d2SMark Murray 1206511b41d2SMark Murray void 1207cf2b5f3bSDag-Erling Smørgrav verifydir(char *cp) 1208511b41d2SMark Murray { 1209511b41d2SMark Murray struct stat stb; 1210511b41d2SMark Murray 1211511b41d2SMark Murray if (!stat(cp, &stb)) { 1212511b41d2SMark Murray if (S_ISDIR(stb.st_mode)) 1213511b41d2SMark Murray return; 1214511b41d2SMark Murray errno = ENOTDIR; 1215511b41d2SMark Murray } 1216511b41d2SMark Murray run_err("%s: %s", cp, strerror(errno)); 1217d4ecd108SDag-Erling Smørgrav killchild(0); 1218511b41d2SMark Murray } 1219511b41d2SMark Murray 1220511b41d2SMark Murray int 1221cf2b5f3bSDag-Erling Smørgrav okname(char *cp0) 1222511b41d2SMark Murray { 1223511b41d2SMark Murray int c; 1224511b41d2SMark Murray char *cp; 1225511b41d2SMark Murray 1226511b41d2SMark Murray cp = cp0; 1227511b41d2SMark Murray do { 1228ae1f160dSDag-Erling Smørgrav c = (int)*cp; 1229511b41d2SMark Murray if (c & 0200) 1230511b41d2SMark Murray goto bad; 1231e73e9afaSDag-Erling Smørgrav if (!isalpha(c) && !isdigit(c)) { 1232e73e9afaSDag-Erling Smørgrav switch (c) { 1233e73e9afaSDag-Erling Smørgrav case '\'': 1234e73e9afaSDag-Erling Smørgrav case '"': 1235e73e9afaSDag-Erling Smørgrav case '`': 1236e73e9afaSDag-Erling Smørgrav case ' ': 1237e73e9afaSDag-Erling Smørgrav case '#': 1238511b41d2SMark Murray goto bad; 1239e73e9afaSDag-Erling Smørgrav default: 1240e73e9afaSDag-Erling Smørgrav break; 1241e73e9afaSDag-Erling Smørgrav } 1242e73e9afaSDag-Erling Smørgrav } 1243511b41d2SMark Murray } while (*++cp); 1244511b41d2SMark Murray return (1); 1245511b41d2SMark Murray 1246511b41d2SMark Murray bad: fprintf(stderr, "%s: invalid user name\n", cp0); 1247511b41d2SMark Murray return (0); 1248511b41d2SMark Murray } 1249511b41d2SMark Murray 1250511b41d2SMark Murray BUF * 1251cf2b5f3bSDag-Erling Smørgrav allocbuf(BUF *bp, int fd, int blksize) 1252511b41d2SMark Murray { 1253511b41d2SMark Murray size_t size; 125483d2307dSDag-Erling Smørgrav #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE 1255511b41d2SMark Murray struct stat stb; 1256511b41d2SMark Murray 1257511b41d2SMark Murray if (fstat(fd, &stb) < 0) { 1258511b41d2SMark Murray run_err("fstat: %s", strerror(errno)); 1259511b41d2SMark Murray return (0); 1260511b41d2SMark Murray } 1261b6fd52a0SDag-Erling Smørgrav size = roundup(stb.st_blksize, blksize); 1262e73e9afaSDag-Erling Smørgrav if (size == 0) 1263e73e9afaSDag-Erling Smørgrav size = blksize; 126483d2307dSDag-Erling Smørgrav #else /* HAVE_STRUCT_STAT_ST_BLKSIZE */ 126583d2307dSDag-Erling Smørgrav size = blksize; 126683d2307dSDag-Erling Smørgrav #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ 1267511b41d2SMark Murray if (bp->cnt >= size) 1268511b41d2SMark Murray return (bp); 1269511b41d2SMark Murray if (bp->buf == NULL) 1270511b41d2SMark Murray bp->buf = xmalloc(size); 1271511b41d2SMark Murray else 1272333ee039SDag-Erling Smørgrav bp->buf = xrealloc(bp->buf, 1, size); 1273ae1f160dSDag-Erling Smørgrav memset(bp->buf, 0, size); 1274511b41d2SMark Murray bp->cnt = size; 1275511b41d2SMark Murray return (bp); 1276511b41d2SMark Murray } 1277511b41d2SMark Murray 1278511b41d2SMark Murray void 1279cf2b5f3bSDag-Erling Smørgrav lostconn(int signo) 1280511b41d2SMark Murray { 1281511b41d2SMark Murray if (!iamremote) 1282ae1f160dSDag-Erling Smørgrav write(STDERR_FILENO, "lost connection\n", 16); 1283ae1f160dSDag-Erling Smørgrav if (signo) 1284ae1f160dSDag-Erling Smørgrav _exit(1); 1285ae1f160dSDag-Erling Smørgrav else 1286511b41d2SMark Murray exit(1); 1287511b41d2SMark Murray } 1288