1b15c8340SDag-Erling Smørgrav /* $OpenBSD: scp.c,v 1.165 2009/12/20 07:28:36 guenther 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); 247b15c8340SDag-Erling Smørgrav if (remuser != NULL) { 248b15c8340SDag-Erling Smørgrav addargs(&args, "-l"); 249b15c8340SDag-Erling Smørgrav addargs(&args, "%s", remuser); 250b15c8340SDag-Erling Smørgrav } 251b15c8340SDag-Erling Smørgrav addargs(&args, "--"); 252ae1f160dSDag-Erling Smørgrav addargs(&args, "%s", host); 253ae1f160dSDag-Erling Smørgrav addargs(&args, "%s", cmd); 254511b41d2SMark Murray 2555b9b2fafSBrian Feldman execvp(ssh_program, args.list); 256b66f2d16SKris Kennaway perror(ssh_program); 257511b41d2SMark Murray exit(1); 258e73e9afaSDag-Erling Smørgrav } else if (do_cmd_pid == -1) { 259e73e9afaSDag-Erling Smørgrav fatal("fork: %s", strerror(errno)); 260511b41d2SMark Murray } 261511b41d2SMark Murray /* Parent. Close the other side, and return the local side. */ 262511b41d2SMark Murray close(pin[0]); 263511b41d2SMark Murray *fdout = pin[1]; 264511b41d2SMark Murray close(pout[1]); 265511b41d2SMark Murray *fdin = pout[0]; 266cf2b5f3bSDag-Erling Smørgrav signal(SIGTERM, killchild); 267cf2b5f3bSDag-Erling Smørgrav signal(SIGINT, killchild); 268cf2b5f3bSDag-Erling Smørgrav signal(SIGHUP, killchild); 269511b41d2SMark Murray return 0; 270511b41d2SMark Murray } 271511b41d2SMark Murray 272511b41d2SMark Murray typedef struct { 273d4ecd108SDag-Erling Smørgrav size_t cnt; 274511b41d2SMark Murray char *buf; 275511b41d2SMark Murray } BUF; 276511b41d2SMark Murray 277511b41d2SMark Murray BUF *allocbuf(BUF *, int, int); 278511b41d2SMark Murray void lostconn(int); 279511b41d2SMark Murray int okname(char *); 280511b41d2SMark Murray void run_err(const char *,...); 281511b41d2SMark Murray void verifydir(char *); 282511b41d2SMark Murray 283511b41d2SMark Murray struct passwd *pwd; 284511b41d2SMark Murray uid_t userid; 285511b41d2SMark Murray int errs, remin, remout; 286511b41d2SMark Murray int pflag, iamremote, iamrecursive, targetshouldbedirectory; 287511b41d2SMark Murray 288511b41d2SMark Murray #define CMDNEEDS 64 289511b41d2SMark Murray char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ 290511b41d2SMark Murray 291511b41d2SMark Murray int response(void); 292511b41d2SMark Murray void rsource(char *, struct stat *); 293511b41d2SMark Murray void sink(int, char *[]); 294511b41d2SMark Murray void source(int, char *[]); 295511b41d2SMark Murray void tolocal(int, char *[]); 296511b41d2SMark Murray void toremote(char *, int, char *[]); 297d4af9e69SDag-Erling Smørgrav size_t scpio(ssize_t (*)(int, void *, size_t), int, void *, size_t, off_t *); 298511b41d2SMark Murray void usage(void); 299511b41d2SMark Murray 300511b41d2SMark Murray int 301cf2b5f3bSDag-Erling Smørgrav main(int argc, char **argv) 302511b41d2SMark Murray { 303333ee039SDag-Erling Smørgrav int ch, fflag, tflag, status, n; 304e73e9afaSDag-Erling Smørgrav double speed; 305333ee039SDag-Erling Smørgrav char *targ, *endp, **newargv; 306511b41d2SMark Murray extern char *optarg; 307511b41d2SMark Murray extern int optind; 308511b41d2SMark Murray 309b74df5b2SDag-Erling Smørgrav /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ 310b74df5b2SDag-Erling Smørgrav sanitise_stdfd(); 311b74df5b2SDag-Erling Smørgrav 312333ee039SDag-Erling Smørgrav /* Copy argv, because we modify it */ 313333ee039SDag-Erling Smørgrav newargv = xcalloc(MAX(argc + 1, 1), sizeof(*newargv)); 314333ee039SDag-Erling Smørgrav for (n = 0; n < argc; n++) 315333ee039SDag-Erling Smørgrav newargv[n] = xstrdup(argv[n]); 316333ee039SDag-Erling Smørgrav argv = newargv; 317333ee039SDag-Erling Smørgrav 318cf2b5f3bSDag-Erling Smørgrav __progname = ssh_get_progname(argv[0]); 31983d2307dSDag-Erling Smørgrav 320b74df5b2SDag-Erling Smørgrav memset(&args, '\0', sizeof(args)); 3215b9b2fafSBrian Feldman args.list = NULL; 322b74df5b2SDag-Erling Smørgrav addargs(&args, "%s", ssh_program); 323ae1f160dSDag-Erling Smørgrav addargs(&args, "-x"); 324ae1f160dSDag-Erling Smørgrav addargs(&args, "-oForwardAgent no"); 325b74df5b2SDag-Erling Smørgrav addargs(&args, "-oPermitLocalCommand no"); 326ae1f160dSDag-Erling Smørgrav addargs(&args, "-oClearAllForwardings yes"); 3275b9b2fafSBrian Feldman 328511b41d2SMark Murray fflag = tflag = 0; 329e73e9afaSDag-Erling Smørgrav while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246S:o:F:")) != -1) 330511b41d2SMark Murray switch (ch) { 331511b41d2SMark Murray /* User-visible flags. */ 332e73e9afaSDag-Erling Smørgrav case '1': 333e73e9afaSDag-Erling Smørgrav case '2': 334511b41d2SMark Murray case '4': 335511b41d2SMark Murray case '6': 3365b9b2fafSBrian Feldman case 'C': 337ae1f160dSDag-Erling Smørgrav addargs(&args, "-%c", ch); 3385b9b2fafSBrian Feldman break; 3395b9b2fafSBrian Feldman case 'o': 3405b9b2fafSBrian Feldman case 'c': 3415b9b2fafSBrian Feldman case 'i': 342ae1f160dSDag-Erling Smørgrav case 'F': 343b15c8340SDag-Erling Smørgrav addargs(&args, "-%c", ch); 344b15c8340SDag-Erling Smørgrav addargs(&args, "%s", optarg); 3455b9b2fafSBrian Feldman break; 3465b9b2fafSBrian Feldman case 'P': 347b15c8340SDag-Erling Smørgrav addargs(&args, "-p"); 348b15c8340SDag-Erling Smørgrav addargs(&args, "%s", optarg); 3495b9b2fafSBrian Feldman break; 3505b9b2fafSBrian Feldman case 'B': 351ae1f160dSDag-Erling Smørgrav addargs(&args, "-oBatchmode yes"); 352511b41d2SMark Murray break; 353e73e9afaSDag-Erling Smørgrav case 'l': 354e73e9afaSDag-Erling Smørgrav speed = strtod(optarg, &endp); 355e73e9afaSDag-Erling Smørgrav if (speed <= 0 || *endp != '\0') 356e73e9afaSDag-Erling Smørgrav usage(); 3571ec0d754SDag-Erling Smørgrav limit_rate = speed * 1024; 358e73e9afaSDag-Erling Smørgrav break; 359511b41d2SMark Murray case 'p': 360511b41d2SMark Murray pflag = 1; 361511b41d2SMark Murray break; 362511b41d2SMark Murray case 'r': 363511b41d2SMark Murray iamrecursive = 1; 364511b41d2SMark Murray break; 365b66f2d16SKris Kennaway case 'S': 3665b9b2fafSBrian Feldman ssh_program = xstrdup(optarg); 3675b9b2fafSBrian Feldman break; 3685b9b2fafSBrian Feldman case 'v': 369ae1f160dSDag-Erling Smørgrav addargs(&args, "-v"); 3705b9b2fafSBrian Feldman verbose_mode = 1; 3715b9b2fafSBrian Feldman break; 3725b9b2fafSBrian Feldman case 'q': 3731ec0d754SDag-Erling Smørgrav addargs(&args, "-q"); 3745b9b2fafSBrian Feldman showprogress = 0; 375b66f2d16SKris Kennaway break; 376b66f2d16SKris Kennaway 377511b41d2SMark Murray /* Server options. */ 378511b41d2SMark Murray case 'd': 379511b41d2SMark Murray targetshouldbedirectory = 1; 380511b41d2SMark Murray break; 381511b41d2SMark Murray case 'f': /* "from" */ 382511b41d2SMark Murray iamremote = 1; 383511b41d2SMark Murray fflag = 1; 384511b41d2SMark Murray break; 385511b41d2SMark Murray case 't': /* "to" */ 386511b41d2SMark Murray iamremote = 1; 387511b41d2SMark Murray tflag = 1; 38883d2307dSDag-Erling Smørgrav #ifdef HAVE_CYGWIN 38983d2307dSDag-Erling Smørgrav setmode(0, O_BINARY); 39083d2307dSDag-Erling Smørgrav #endif 391511b41d2SMark Murray break; 392511b41d2SMark Murray default: 393511b41d2SMark Murray usage(); 394511b41d2SMark Murray } 395511b41d2SMark Murray argc -= optind; 396511b41d2SMark Murray argv += optind; 397511b41d2SMark Murray 398511b41d2SMark Murray if ((pwd = getpwuid(userid = getuid())) == NULL) 399cf2b5f3bSDag-Erling Smørgrav fatal("unknown user %u", (u_int) userid); 400511b41d2SMark Murray 401d4af9e69SDag-Erling Smørgrav if (!isatty(STDOUT_FILENO)) 402511b41d2SMark Murray showprogress = 0; 403511b41d2SMark Murray 404511b41d2SMark Murray remin = STDIN_FILENO; 405511b41d2SMark Murray remout = STDOUT_FILENO; 406511b41d2SMark Murray 407511b41d2SMark Murray if (fflag) { 408511b41d2SMark Murray /* Follow "protocol", send data. */ 409511b41d2SMark Murray (void) response(); 410511b41d2SMark Murray source(argc, argv); 411511b41d2SMark Murray exit(errs != 0); 412511b41d2SMark Murray } 413511b41d2SMark Murray if (tflag) { 414511b41d2SMark Murray /* Receive data. */ 415511b41d2SMark Murray sink(argc, argv); 416511b41d2SMark Murray exit(errs != 0); 417511b41d2SMark Murray } 418511b41d2SMark Murray if (argc < 2) 419511b41d2SMark Murray usage(); 420511b41d2SMark Murray if (argc > 2) 421511b41d2SMark Murray targetshouldbedirectory = 1; 422511b41d2SMark Murray 423511b41d2SMark Murray remin = remout = -1; 424e73e9afaSDag-Erling Smørgrav do_cmd_pid = -1; 425511b41d2SMark Murray /* Command to be executed on remote system using "ssh". */ 4261e8db6e2SBrian Feldman (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", 4271e8db6e2SBrian Feldman verbose_mode ? " -v" : "", 428511b41d2SMark Murray iamrecursive ? " -r" : "", pflag ? " -p" : "", 429511b41d2SMark Murray targetshouldbedirectory ? " -d" : ""); 430511b41d2SMark Murray 431511b41d2SMark Murray (void) signal(SIGPIPE, lostconn); 432511b41d2SMark Murray 433511b41d2SMark Murray if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ 434511b41d2SMark Murray toremote(targ, argc, argv); 435511b41d2SMark Murray else { 436511b41d2SMark Murray if (targetshouldbedirectory) 437511b41d2SMark Murray verifydir(argv[argc - 1]); 438b74df5b2SDag-Erling Smørgrav tolocal(argc, argv); /* Dest is local host. */ 439511b41d2SMark Murray } 440e73e9afaSDag-Erling Smørgrav /* 441e73e9afaSDag-Erling Smørgrav * Finally check the exit status of the ssh process, if one was forked 442cce7d346SDag-Erling Smørgrav * and no error has occurred yet 443e73e9afaSDag-Erling Smørgrav */ 444e73e9afaSDag-Erling Smørgrav if (do_cmd_pid != -1 && errs == 0) { 445e73e9afaSDag-Erling Smørgrav if (remin != -1) 446e73e9afaSDag-Erling Smørgrav (void) close(remin); 447e73e9afaSDag-Erling Smørgrav if (remout != -1) 448e73e9afaSDag-Erling Smørgrav (void) close(remout); 449e73e9afaSDag-Erling Smørgrav if (waitpid(do_cmd_pid, &status, 0) == -1) 450e73e9afaSDag-Erling Smørgrav errs = 1; 451e73e9afaSDag-Erling Smørgrav else { 452e73e9afaSDag-Erling Smørgrav if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) 453e73e9afaSDag-Erling Smørgrav errs = 1; 454e73e9afaSDag-Erling Smørgrav } 455e73e9afaSDag-Erling Smørgrav } 456511b41d2SMark Murray exit(errs != 0); 457511b41d2SMark Murray } 458511b41d2SMark Murray 459d4af9e69SDag-Erling Smørgrav /* 460d4af9e69SDag-Erling Smørgrav * atomicio-like wrapper that also applies bandwidth limits and updates 461d4af9e69SDag-Erling Smørgrav * the progressmeter counter. 462d4af9e69SDag-Erling Smørgrav */ 463d4af9e69SDag-Erling Smørgrav size_t 464d4af9e69SDag-Erling Smørgrav scpio(ssize_t (*f)(int, void *, size_t), int fd, void *_p, size_t l, off_t *c) 465d4af9e69SDag-Erling Smørgrav { 466d4af9e69SDag-Erling Smørgrav u_char *p = (u_char *)_p; 467d4af9e69SDag-Erling Smørgrav size_t offset; 468d4af9e69SDag-Erling Smørgrav ssize_t r; 469d4af9e69SDag-Erling Smørgrav struct pollfd pfd; 470d4af9e69SDag-Erling Smørgrav 471d4af9e69SDag-Erling Smørgrav pfd.fd = fd; 472d4af9e69SDag-Erling Smørgrav pfd.events = f == read ? POLLIN : POLLOUT; 473d4af9e69SDag-Erling Smørgrav for (offset = 0; offset < l;) { 474d4af9e69SDag-Erling Smørgrav r = f(fd, p + offset, l - offset); 475d4af9e69SDag-Erling Smørgrav if (r == 0) { 476d4af9e69SDag-Erling Smørgrav errno = EPIPE; 477d4af9e69SDag-Erling Smørgrav return offset; 478d4af9e69SDag-Erling Smørgrav } 479d4af9e69SDag-Erling Smørgrav if (r < 0) { 480d4af9e69SDag-Erling Smørgrav if (errno == EINTR) 481d4af9e69SDag-Erling Smørgrav continue; 482d4af9e69SDag-Erling Smørgrav if (errno == EAGAIN || errno == EWOULDBLOCK) { 483d4af9e69SDag-Erling Smørgrav (void)poll(&pfd, 1, -1); /* Ignore errors */ 484d4af9e69SDag-Erling Smørgrav continue; 485d4af9e69SDag-Erling Smørgrav } 486d4af9e69SDag-Erling Smørgrav return offset; 487d4af9e69SDag-Erling Smørgrav } 488d4af9e69SDag-Erling Smørgrav offset += (size_t)r; 489d4af9e69SDag-Erling Smørgrav *c += (off_t)r; 490d4af9e69SDag-Erling Smørgrav if (limit_rate) 491d4af9e69SDag-Erling Smørgrav bwlimit(r); 492d4af9e69SDag-Erling Smørgrav } 493d4af9e69SDag-Erling Smørgrav return offset; 494d4af9e69SDag-Erling Smørgrav } 495d4af9e69SDag-Erling Smørgrav 496511b41d2SMark Murray void 497cf2b5f3bSDag-Erling Smørgrav toremote(char *targ, int argc, char **argv) 498511b41d2SMark Murray { 499aa49c926SDag-Erling Smørgrav char *bp, *host, *src, *suser, *thost, *tuser, *arg; 500b74df5b2SDag-Erling Smørgrav arglist alist; 501333ee039SDag-Erling Smørgrav int i; 502b74df5b2SDag-Erling Smørgrav 503b74df5b2SDag-Erling Smørgrav memset(&alist, '\0', sizeof(alist)); 504b74df5b2SDag-Erling Smørgrav alist.list = NULL; 505511b41d2SMark Murray 506511b41d2SMark Murray *targ++ = 0; 507511b41d2SMark Murray if (*targ == 0) 508511b41d2SMark Murray targ = "."; 509511b41d2SMark Murray 510aa49c926SDag-Erling Smørgrav arg = xstrdup(argv[argc - 1]); 511aa49c926SDag-Erling Smørgrav if ((thost = strrchr(arg, '@'))) { 512511b41d2SMark Murray /* user@host */ 513511b41d2SMark Murray *thost++ = 0; 514aa49c926SDag-Erling Smørgrav tuser = arg; 515511b41d2SMark Murray if (*tuser == '\0') 516511b41d2SMark Murray tuser = NULL; 517511b41d2SMark Murray } else { 518aa49c926SDag-Erling Smørgrav thost = arg; 519511b41d2SMark Murray tuser = NULL; 520511b41d2SMark Murray } 521511b41d2SMark Murray 522b74df5b2SDag-Erling Smørgrav if (tuser != NULL && !okname(tuser)) { 523b74df5b2SDag-Erling Smørgrav xfree(arg); 524b74df5b2SDag-Erling Smørgrav return; 525b74df5b2SDag-Erling Smørgrav } 526b74df5b2SDag-Erling Smørgrav 527511b41d2SMark Murray for (i = 0; i < argc - 1; i++) { 528511b41d2SMark Murray src = colon(argv[i]); 529511b41d2SMark Murray if (src) { /* remote to remote */ 530b74df5b2SDag-Erling Smørgrav freeargs(&alist); 531b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", ssh_program); 532b74df5b2SDag-Erling Smørgrav if (verbose_mode) 533b74df5b2SDag-Erling Smørgrav addargs(&alist, "-v"); 534b74df5b2SDag-Erling Smørgrav addargs(&alist, "-x"); 535b74df5b2SDag-Erling Smørgrav addargs(&alist, "-oClearAllForwardings yes"); 536b74df5b2SDag-Erling Smørgrav addargs(&alist, "-n"); 537b74df5b2SDag-Erling Smørgrav 538511b41d2SMark Murray *src++ = 0; 539511b41d2SMark Murray if (*src == 0) 540511b41d2SMark Murray src = "."; 541e73e9afaSDag-Erling Smørgrav host = strrchr(argv[i], '@'); 542b74df5b2SDag-Erling Smørgrav 543511b41d2SMark Murray if (host) { 544511b41d2SMark Murray *host++ = 0; 545511b41d2SMark Murray host = cleanhostname(host); 546511b41d2SMark Murray suser = argv[i]; 547511b41d2SMark Murray if (*suser == '\0') 548511b41d2SMark Murray suser = pwd->pw_name; 549b74df5b2SDag-Erling Smørgrav else if (!okname(suser)) 550511b41d2SMark Murray continue; 551b74df5b2SDag-Erling Smørgrav addargs(&alist, "-l"); 552b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", suser); 553511b41d2SMark Murray } else { 554511b41d2SMark Murray host = cleanhostname(argv[i]); 555b74df5b2SDag-Erling Smørgrav } 556b15c8340SDag-Erling Smørgrav addargs(&alist, "--"); 557b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", host); 558b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", cmd); 559b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", src); 560b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s%s%s:%s", 561511b41d2SMark Murray tuser ? tuser : "", tuser ? "@" : "", 562511b41d2SMark Murray thost, targ); 563b74df5b2SDag-Erling Smørgrav if (do_local_cmd(&alist) != 0) 5641ec0d754SDag-Erling Smørgrav errs = 1; 565511b41d2SMark Murray } else { /* local to remote */ 566511b41d2SMark Murray if (remin == -1) { 567b15c8340SDag-Erling Smørgrav xasprintf(&bp, "%s -t -- %s", cmd, targ); 568511b41d2SMark Murray host = cleanhostname(thost); 569b66f2d16SKris Kennaway if (do_cmd(host, tuser, bp, &remin, 570333ee039SDag-Erling Smørgrav &remout) < 0) 571511b41d2SMark Murray exit(1); 572511b41d2SMark Murray if (response() < 0) 573511b41d2SMark Murray exit(1); 574511b41d2SMark Murray (void) xfree(bp); 575511b41d2SMark Murray } 576511b41d2SMark Murray source(1, argv + i); 577511b41d2SMark Murray } 578511b41d2SMark Murray } 579333ee039SDag-Erling Smørgrav xfree(arg); 580511b41d2SMark Murray } 581511b41d2SMark Murray 582511b41d2SMark Murray void 583cf2b5f3bSDag-Erling Smørgrav tolocal(int argc, char **argv) 584511b41d2SMark Murray { 585511b41d2SMark Murray char *bp, *host, *src, *suser; 586b74df5b2SDag-Erling Smørgrav arglist alist; 587333ee039SDag-Erling Smørgrav int i; 588b74df5b2SDag-Erling Smørgrav 589b74df5b2SDag-Erling Smørgrav memset(&alist, '\0', sizeof(alist)); 590b74df5b2SDag-Erling Smørgrav alist.list = NULL; 591511b41d2SMark Murray 592511b41d2SMark Murray for (i = 0; i < argc - 1; i++) { 593511b41d2SMark Murray if (!(src = colon(argv[i]))) { /* Local to local. */ 594b74df5b2SDag-Erling Smørgrav freeargs(&alist); 595b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", _PATH_CP); 596b74df5b2SDag-Erling Smørgrav if (iamrecursive) 597b74df5b2SDag-Erling Smørgrav addargs(&alist, "-r"); 598b74df5b2SDag-Erling Smørgrav if (pflag) 599b74df5b2SDag-Erling Smørgrav addargs(&alist, "-p"); 600b15c8340SDag-Erling Smørgrav addargs(&alist, "--"); 601b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", argv[i]); 602b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", argv[argc-1]); 603b74df5b2SDag-Erling Smørgrav if (do_local_cmd(&alist)) 604511b41d2SMark Murray ++errs; 605511b41d2SMark Murray continue; 606511b41d2SMark Murray } 607511b41d2SMark Murray *src++ = 0; 608511b41d2SMark Murray if (*src == 0) 609511b41d2SMark Murray src = "."; 610e73e9afaSDag-Erling Smørgrav if ((host = strrchr(argv[i], '@')) == NULL) { 611511b41d2SMark Murray host = argv[i]; 612511b41d2SMark Murray suser = NULL; 613511b41d2SMark Murray } else { 614511b41d2SMark Murray *host++ = 0; 615511b41d2SMark Murray suser = argv[i]; 616511b41d2SMark Murray if (*suser == '\0') 617511b41d2SMark Murray suser = pwd->pw_name; 618511b41d2SMark Murray } 619511b41d2SMark Murray host = cleanhostname(host); 620b15c8340SDag-Erling Smørgrav xasprintf(&bp, "%s -f -- %s", cmd, src); 621333ee039SDag-Erling Smørgrav if (do_cmd(host, suser, bp, &remin, &remout) < 0) { 622511b41d2SMark Murray (void) xfree(bp); 623511b41d2SMark Murray ++errs; 624511b41d2SMark Murray continue; 625511b41d2SMark Murray } 626511b41d2SMark Murray xfree(bp); 627511b41d2SMark Murray sink(1, argv + argc - 1); 628511b41d2SMark Murray (void) close(remin); 629511b41d2SMark Murray remin = remout = -1; 630511b41d2SMark Murray } 631511b41d2SMark Murray } 632511b41d2SMark Murray 633511b41d2SMark Murray void 634cf2b5f3bSDag-Erling Smørgrav source(int argc, char **argv) 635511b41d2SMark Murray { 636511b41d2SMark Murray struct stat stb; 637511b41d2SMark Murray static BUF buffer; 638511b41d2SMark Murray BUF *bp; 639d4af9e69SDag-Erling Smørgrav off_t i, statbytes; 640d4af9e69SDag-Erling Smørgrav size_t amt; 641d4ecd108SDag-Erling Smørgrav int fd = -1, haderr, indx; 642d4af9e69SDag-Erling Smørgrav char *last, *name, buf[2048], encname[MAXPATHLEN]; 6431e8db6e2SBrian Feldman int len; 644511b41d2SMark Murray 645511b41d2SMark Murray for (indx = 0; indx < argc; ++indx) { 646511b41d2SMark Murray name = argv[indx]; 647511b41d2SMark Murray statbytes = 0; 6481e8db6e2SBrian Feldman len = strlen(name); 6491e8db6e2SBrian Feldman while (len > 1 && name[len-1] == '/') 6501e8db6e2SBrian Feldman name[--len] = '\0'; 651d4af9e69SDag-Erling Smørgrav if ((fd = open(name, O_RDONLY|O_NONBLOCK, 0)) < 0) 652511b41d2SMark Murray goto syserr; 653d4af9e69SDag-Erling Smørgrav if (strchr(name, '\n') != NULL) { 654d4af9e69SDag-Erling Smørgrav strnvis(encname, name, sizeof(encname), VIS_NL); 655d4af9e69SDag-Erling Smørgrav name = encname; 656d4af9e69SDag-Erling Smørgrav } 657511b41d2SMark Murray if (fstat(fd, &stb) < 0) { 658511b41d2SMark Murray syserr: run_err("%s: %s", name, strerror(errno)); 659511b41d2SMark Murray goto next; 660511b41d2SMark Murray } 661d4af9e69SDag-Erling Smørgrav if (stb.st_size < 0) { 662d4af9e69SDag-Erling Smørgrav run_err("%s: %s", name, "Negative file size"); 663d4af9e69SDag-Erling Smørgrav goto next; 664d4af9e69SDag-Erling Smørgrav } 665d4af9e69SDag-Erling Smørgrav unset_nonblock(fd); 666511b41d2SMark Murray switch (stb.st_mode & S_IFMT) { 667511b41d2SMark Murray case S_IFREG: 668511b41d2SMark Murray break; 669511b41d2SMark Murray case S_IFDIR: 670511b41d2SMark Murray if (iamrecursive) { 671511b41d2SMark Murray rsource(name, &stb); 672511b41d2SMark Murray goto next; 673511b41d2SMark Murray } 674511b41d2SMark Murray /* FALLTHROUGH */ 675511b41d2SMark Murray default: 676511b41d2SMark Murray run_err("%s: not a regular file", name); 677511b41d2SMark Murray goto next; 678511b41d2SMark Murray } 679511b41d2SMark Murray if ((last = strrchr(name, '/')) == NULL) 680511b41d2SMark Murray last = name; 681511b41d2SMark Murray else 682511b41d2SMark Murray ++last; 683511b41d2SMark Murray curfile = last; 684511b41d2SMark Murray if (pflag) { 685511b41d2SMark Murray /* 686511b41d2SMark Murray * Make it compatible with possible future 687511b41d2SMark Murray * versions expecting microseconds. 688511b41d2SMark Murray */ 6891e8db6e2SBrian Feldman (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", 690d4af9e69SDag-Erling Smørgrav (u_long) (stb.st_mtime < 0 ? 0 : stb.st_mtime), 691d4af9e69SDag-Erling Smørgrav (u_long) (stb.st_atime < 0 ? 0 : stb.st_atime)); 692d4af9e69SDag-Erling Smørgrav if (verbose_mode) { 693d4af9e69SDag-Erling Smørgrav fprintf(stderr, "File mtime %ld atime %ld\n", 694d4af9e69SDag-Erling Smørgrav (long)stb.st_mtime, (long)stb.st_atime); 695d4af9e69SDag-Erling Smørgrav fprintf(stderr, "Sending file timestamps: %s", 696d4af9e69SDag-Erling Smørgrav buf); 697d4af9e69SDag-Erling Smørgrav } 698cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, buf, strlen(buf)); 699511b41d2SMark Murray if (response() < 0) 700511b41d2SMark Murray goto next; 701511b41d2SMark Murray } 702511b41d2SMark Murray #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) 7031e8db6e2SBrian Feldman snprintf(buf, sizeof buf, "C%04o %lld %s\n", 7041e8db6e2SBrian Feldman (u_int) (stb.st_mode & FILEMODEMASK), 705b74df5b2SDag-Erling Smørgrav (long long)stb.st_size, last); 706511b41d2SMark Murray if (verbose_mode) { 707511b41d2SMark Murray fprintf(stderr, "Sending file modes: %s", buf); 708511b41d2SMark Murray } 709cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, buf, strlen(buf)); 710511b41d2SMark Murray if (response() < 0) 711511b41d2SMark Murray goto next; 712d4af9e69SDag-Erling Smørgrav if ((bp = allocbuf(&buffer, fd, COPY_BUFLEN)) == NULL) { 713b74df5b2SDag-Erling Smørgrav next: if (fd != -1) { 714b74df5b2SDag-Erling Smørgrav (void) close(fd); 715b74df5b2SDag-Erling Smørgrav fd = -1; 716b74df5b2SDag-Erling Smørgrav } 717511b41d2SMark Murray continue; 718511b41d2SMark Murray } 719e73e9afaSDag-Erling Smørgrav if (showprogress) 720e73e9afaSDag-Erling Smørgrav start_progress_meter(curfile, stb.st_size, &statbytes); 721d4af9e69SDag-Erling Smørgrav set_nonblock(remout); 722511b41d2SMark Murray for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { 723511b41d2SMark Murray amt = bp->cnt; 724d4af9e69SDag-Erling Smørgrav if (i + (off_t)amt > stb.st_size) 725511b41d2SMark Murray amt = stb.st_size - i; 726511b41d2SMark Murray if (!haderr) { 727d4af9e69SDag-Erling Smørgrav if (atomicio(read, fd, bp->buf, amt) != amt) 728d4ecd108SDag-Erling Smørgrav haderr = errno; 729511b41d2SMark Murray } 730d4af9e69SDag-Erling Smørgrav /* Keep writing after error to retain sync */ 731d4af9e69SDag-Erling Smørgrav if (haderr) { 732cf2b5f3bSDag-Erling Smørgrav (void)atomicio(vwrite, remout, bp->buf, amt); 733d4af9e69SDag-Erling Smørgrav continue; 734d4af9e69SDag-Erling Smørgrav } 735d4af9e69SDag-Erling Smørgrav if (scpio(vwrite, remout, bp->buf, amt, 736d4af9e69SDag-Erling Smørgrav &statbytes) != amt) 737d4ecd108SDag-Erling Smørgrav haderr = errno; 738511b41d2SMark Murray } 739d4af9e69SDag-Erling Smørgrav unset_nonblock(remout); 740511b41d2SMark Murray if (showprogress) 741e73e9afaSDag-Erling Smørgrav stop_progress_meter(); 742511b41d2SMark Murray 743b74df5b2SDag-Erling Smørgrav if (fd != -1) { 744511b41d2SMark Murray if (close(fd) < 0 && !haderr) 745511b41d2SMark Murray haderr = errno; 746b74df5b2SDag-Erling Smørgrav fd = -1; 747b74df5b2SDag-Erling Smørgrav } 748511b41d2SMark Murray if (!haderr) 749cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 750511b41d2SMark Murray else 751511b41d2SMark Murray run_err("%s: %s", name, strerror(haderr)); 752511b41d2SMark Murray (void) response(); 753511b41d2SMark Murray } 754511b41d2SMark Murray } 755511b41d2SMark Murray 756511b41d2SMark Murray void 757cf2b5f3bSDag-Erling Smørgrav rsource(char *name, struct stat *statp) 758511b41d2SMark Murray { 759511b41d2SMark Murray DIR *dirp; 760511b41d2SMark Murray struct dirent *dp; 761511b41d2SMark Murray char *last, *vect[1], path[1100]; 762511b41d2SMark Murray 763511b41d2SMark Murray if (!(dirp = opendir(name))) { 764511b41d2SMark Murray run_err("%s: %s", name, strerror(errno)); 765511b41d2SMark Murray return; 766511b41d2SMark Murray } 767511b41d2SMark Murray last = strrchr(name, '/'); 768511b41d2SMark Murray if (last == 0) 769511b41d2SMark Murray last = name; 770511b41d2SMark Murray else 771511b41d2SMark Murray last++; 772511b41d2SMark Murray if (pflag) { 7731e8db6e2SBrian Feldman (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", 7741e8db6e2SBrian Feldman (u_long) statp->st_mtime, 7751e8db6e2SBrian Feldman (u_long) statp->st_atime); 776cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, path, strlen(path)); 777511b41d2SMark Murray if (response() < 0) { 778511b41d2SMark Murray closedir(dirp); 779511b41d2SMark Murray return; 780511b41d2SMark Murray } 781511b41d2SMark Murray } 7821e8db6e2SBrian Feldman (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", 7831e8db6e2SBrian Feldman (u_int) (statp->st_mode & FILEMODEMASK), 0, last); 784511b41d2SMark Murray if (verbose_mode) 785511b41d2SMark Murray fprintf(stderr, "Entering directory: %s", path); 786cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, path, strlen(path)); 787511b41d2SMark Murray if (response() < 0) { 788511b41d2SMark Murray closedir(dirp); 789511b41d2SMark Murray return; 790511b41d2SMark Murray } 7911e8db6e2SBrian Feldman while ((dp = readdir(dirp)) != NULL) { 792511b41d2SMark Murray if (dp->d_ino == 0) 793511b41d2SMark Murray continue; 794511b41d2SMark Murray if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) 795511b41d2SMark Murray continue; 796511b41d2SMark Murray if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { 797511b41d2SMark Murray run_err("%s/%s: name too long", name, dp->d_name); 798511b41d2SMark Murray continue; 799511b41d2SMark Murray } 8001e8db6e2SBrian Feldman (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); 801511b41d2SMark Murray vect[0] = path; 802511b41d2SMark Murray source(1, vect); 803511b41d2SMark Murray } 804511b41d2SMark Murray (void) closedir(dirp); 805cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "E\n", 2); 806511b41d2SMark Murray (void) response(); 807511b41d2SMark Murray } 808511b41d2SMark Murray 809511b41d2SMark Murray void 810e73e9afaSDag-Erling Smørgrav bwlimit(int amount) 811e73e9afaSDag-Erling Smørgrav { 812e73e9afaSDag-Erling Smørgrav static struct timeval bwstart, bwend; 813e73e9afaSDag-Erling Smørgrav static int lamt, thresh = 16384; 81421e764dfSDag-Erling Smørgrav u_int64_t waitlen; 815e73e9afaSDag-Erling Smørgrav struct timespec ts, rm; 816e73e9afaSDag-Erling Smørgrav 817e73e9afaSDag-Erling Smørgrav if (!timerisset(&bwstart)) { 818e73e9afaSDag-Erling Smørgrav gettimeofday(&bwstart, NULL); 819e73e9afaSDag-Erling Smørgrav return; 820e73e9afaSDag-Erling Smørgrav } 821e73e9afaSDag-Erling Smørgrav 822e73e9afaSDag-Erling Smørgrav lamt += amount; 823e73e9afaSDag-Erling Smørgrav if (lamt < thresh) 824e73e9afaSDag-Erling Smørgrav return; 825e73e9afaSDag-Erling Smørgrav 826e73e9afaSDag-Erling Smørgrav gettimeofday(&bwend, NULL); 827e73e9afaSDag-Erling Smørgrav timersub(&bwend, &bwstart, &bwend); 828e73e9afaSDag-Erling Smørgrav if (!timerisset(&bwend)) 829e73e9afaSDag-Erling Smørgrav return; 830e73e9afaSDag-Erling Smørgrav 831e73e9afaSDag-Erling Smørgrav lamt *= 8; 83221e764dfSDag-Erling Smørgrav waitlen = (double)1000000L * lamt / limit_rate; 833e73e9afaSDag-Erling Smørgrav 83421e764dfSDag-Erling Smørgrav bwstart.tv_sec = waitlen / 1000000L; 83521e764dfSDag-Erling Smørgrav bwstart.tv_usec = waitlen % 1000000L; 836e73e9afaSDag-Erling Smørgrav 837e73e9afaSDag-Erling Smørgrav if (timercmp(&bwstart, &bwend, >)) { 838e73e9afaSDag-Erling Smørgrav timersub(&bwstart, &bwend, &bwend); 839e73e9afaSDag-Erling Smørgrav 840e73e9afaSDag-Erling Smørgrav /* Adjust the wait time */ 841e73e9afaSDag-Erling Smørgrav if (bwend.tv_sec) { 842e73e9afaSDag-Erling Smørgrav thresh /= 2; 843e73e9afaSDag-Erling Smørgrav if (thresh < 2048) 844e73e9afaSDag-Erling Smørgrav thresh = 2048; 845d4af9e69SDag-Erling Smørgrav } else if (bwend.tv_usec < 10000) { 846e73e9afaSDag-Erling Smørgrav thresh *= 2; 847d4af9e69SDag-Erling Smørgrav if (thresh > COPY_BUFLEN * 4) 848d4af9e69SDag-Erling Smørgrav thresh = COPY_BUFLEN * 4; 849e73e9afaSDag-Erling Smørgrav } 850e73e9afaSDag-Erling Smørgrav 851e73e9afaSDag-Erling Smørgrav TIMEVAL_TO_TIMESPEC(&bwend, &ts); 852e73e9afaSDag-Erling Smørgrav while (nanosleep(&ts, &rm) == -1) { 853e73e9afaSDag-Erling Smørgrav if (errno != EINTR) 854e73e9afaSDag-Erling Smørgrav break; 855e73e9afaSDag-Erling Smørgrav ts = rm; 856e73e9afaSDag-Erling Smørgrav } 857e73e9afaSDag-Erling Smørgrav } 858e73e9afaSDag-Erling Smørgrav 859e73e9afaSDag-Erling Smørgrav lamt = 0; 860e73e9afaSDag-Erling Smørgrav gettimeofday(&bwstart, NULL); 861e73e9afaSDag-Erling Smørgrav } 862e73e9afaSDag-Erling Smørgrav 863e73e9afaSDag-Erling Smørgrav void 864cf2b5f3bSDag-Erling Smørgrav sink(int argc, char **argv) 865511b41d2SMark Murray { 866511b41d2SMark Murray static BUF buffer; 867511b41d2SMark Murray struct stat stb; 868511b41d2SMark Murray enum { 869511b41d2SMark Murray YES, NO, DISPLAYED 870511b41d2SMark Murray } wrerr; 871511b41d2SMark Murray BUF *bp; 872d4ecd108SDag-Erling Smørgrav off_t i; 873d4ecd108SDag-Erling Smørgrav size_t j, count; 874333ee039SDag-Erling Smørgrav int amt, exists, first, ofd; 875333ee039SDag-Erling Smørgrav mode_t mode, omode, mask; 876e73e9afaSDag-Erling Smørgrav off_t size, statbytes; 877b66f2d16SKris Kennaway int setimes, targisdir, wrerrno = 0; 878511b41d2SMark Murray char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; 8795b9b2fafSBrian Feldman struct timeval tv[2]; 880511b41d2SMark Murray 8811e8db6e2SBrian Feldman #define atime tv[0] 8821e8db6e2SBrian Feldman #define mtime tv[1] 883aa49c926SDag-Erling Smørgrav #define SCREWUP(str) { why = str; goto screwup; } 884511b41d2SMark Murray 885511b41d2SMark Murray setimes = targisdir = 0; 886511b41d2SMark Murray mask = umask(0); 887511b41d2SMark Murray if (!pflag) 888511b41d2SMark Murray (void) umask(mask); 889511b41d2SMark Murray if (argc != 1) { 890511b41d2SMark Murray run_err("ambiguous target"); 891511b41d2SMark Murray exit(1); 892511b41d2SMark Murray } 893511b41d2SMark Murray targ = *argv; 894511b41d2SMark Murray if (targetshouldbedirectory) 895511b41d2SMark Murray verifydir(targ); 896511b41d2SMark Murray 897cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 898511b41d2SMark Murray if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) 899511b41d2SMark Murray targisdir = 1; 900511b41d2SMark Murray for (first = 1;; first = 0) { 901511b41d2SMark Murray cp = buf; 902d4ecd108SDag-Erling Smørgrav if (atomicio(read, remin, cp, 1) != 1) 903511b41d2SMark Murray return; 904511b41d2SMark Murray if (*cp++ == '\n') 905511b41d2SMark Murray SCREWUP("unexpected <newline>"); 906511b41d2SMark Murray do { 907a04a10f8SKris Kennaway if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) 908511b41d2SMark Murray SCREWUP("lost connection"); 909511b41d2SMark Murray *cp++ = ch; 910511b41d2SMark Murray } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); 911511b41d2SMark Murray *cp = 0; 91221e764dfSDag-Erling Smørgrav if (verbose_mode) 91321e764dfSDag-Erling Smørgrav fprintf(stderr, "Sink: %s", buf); 914511b41d2SMark Murray 915511b41d2SMark Murray if (buf[0] == '\01' || buf[0] == '\02') { 916511b41d2SMark Murray if (iamremote == 0) 917cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, STDERR_FILENO, 918511b41d2SMark Murray buf + 1, strlen(buf + 1)); 919511b41d2SMark Murray if (buf[0] == '\02') 920511b41d2SMark Murray exit(1); 921511b41d2SMark Murray ++errs; 922511b41d2SMark Murray continue; 923511b41d2SMark Murray } 924511b41d2SMark Murray if (buf[0] == 'E') { 925cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 926511b41d2SMark Murray return; 927511b41d2SMark Murray } 928511b41d2SMark Murray if (ch == '\n') 929511b41d2SMark Murray *--cp = 0; 930511b41d2SMark Murray 931511b41d2SMark Murray cp = buf; 932511b41d2SMark Murray if (*cp == 'T') { 933511b41d2SMark Murray setimes++; 934511b41d2SMark Murray cp++; 9351e8db6e2SBrian Feldman mtime.tv_sec = strtol(cp, &cp, 10); 9361e8db6e2SBrian Feldman if (!cp || *cp++ != ' ') 937511b41d2SMark Murray SCREWUP("mtime.sec not delimited"); 9381e8db6e2SBrian Feldman mtime.tv_usec = strtol(cp, &cp, 10); 9391e8db6e2SBrian Feldman if (!cp || *cp++ != ' ') 940511b41d2SMark Murray SCREWUP("mtime.usec not delimited"); 9411e8db6e2SBrian Feldman atime.tv_sec = strtol(cp, &cp, 10); 9421e8db6e2SBrian Feldman if (!cp || *cp++ != ' ') 943511b41d2SMark Murray SCREWUP("atime.sec not delimited"); 9441e8db6e2SBrian Feldman atime.tv_usec = strtol(cp, &cp, 10); 9451e8db6e2SBrian Feldman if (!cp || *cp++ != '\0') 946511b41d2SMark Murray SCREWUP("atime.usec not delimited"); 947cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 948511b41d2SMark Murray continue; 949511b41d2SMark Murray } 950511b41d2SMark Murray if (*cp != 'C' && *cp != 'D') { 951511b41d2SMark Murray /* 952511b41d2SMark Murray * Check for the case "rcp remote:foo\* local:bar". 953511b41d2SMark Murray * In this case, the line "No match." can be returned 954511b41d2SMark Murray * by the shell before the rcp command on the remote is 955511b41d2SMark Murray * executed so the ^Aerror_message convention isn't 956511b41d2SMark Murray * followed. 957511b41d2SMark Murray */ 958511b41d2SMark Murray if (first) { 959511b41d2SMark Murray run_err("%s", cp); 960511b41d2SMark Murray exit(1); 961511b41d2SMark Murray } 962511b41d2SMark Murray SCREWUP("expected control record"); 963511b41d2SMark Murray } 964511b41d2SMark Murray mode = 0; 965511b41d2SMark Murray for (++cp; cp < buf + 5; cp++) { 966511b41d2SMark Murray if (*cp < '0' || *cp > '7') 967511b41d2SMark Murray SCREWUP("bad mode"); 968511b41d2SMark Murray mode = (mode << 3) | (*cp - '0'); 969511b41d2SMark Murray } 970511b41d2SMark Murray if (*cp++ != ' ') 971511b41d2SMark Murray SCREWUP("mode not delimited"); 972511b41d2SMark Murray 9731e8db6e2SBrian Feldman for (size = 0; isdigit(*cp);) 974511b41d2SMark Murray size = size * 10 + (*cp++ - '0'); 975511b41d2SMark Murray if (*cp++ != ' ') 976511b41d2SMark Murray SCREWUP("size not delimited"); 97721e764dfSDag-Erling Smørgrav if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) { 97821e764dfSDag-Erling Smørgrav run_err("error: unexpected filename: %s", cp); 97921e764dfSDag-Erling Smørgrav exit(1); 98021e764dfSDag-Erling Smørgrav } 981511b41d2SMark Murray if (targisdir) { 982511b41d2SMark Murray static char *namebuf; 983d4ecd108SDag-Erling Smørgrav static size_t cursize; 984511b41d2SMark Murray size_t need; 985511b41d2SMark Murray 986511b41d2SMark Murray need = strlen(targ) + strlen(cp) + 250; 9871e8db6e2SBrian Feldman if (need > cursize) { 9881e8db6e2SBrian Feldman if (namebuf) 9891e8db6e2SBrian Feldman xfree(namebuf); 990511b41d2SMark Murray namebuf = xmalloc(need); 9911e8db6e2SBrian Feldman cursize = need; 9921e8db6e2SBrian Feldman } 9931e8db6e2SBrian Feldman (void) snprintf(namebuf, need, "%s%s%s", targ, 994545d5ecaSDag-Erling Smørgrav strcmp(targ, "/") ? "/" : "", cp); 995511b41d2SMark Murray np = namebuf; 996511b41d2SMark Murray } else 997511b41d2SMark Murray np = targ; 998511b41d2SMark Murray curfile = cp; 999511b41d2SMark Murray exists = stat(np, &stb) == 0; 1000511b41d2SMark Murray if (buf[0] == 'D') { 1001511b41d2SMark Murray int mod_flag = pflag; 100221e764dfSDag-Erling Smørgrav if (!iamrecursive) 100321e764dfSDag-Erling Smørgrav SCREWUP("received directory without -r"); 1004511b41d2SMark Murray if (exists) { 1005511b41d2SMark Murray if (!S_ISDIR(stb.st_mode)) { 1006511b41d2SMark Murray errno = ENOTDIR; 1007511b41d2SMark Murray goto bad; 1008511b41d2SMark Murray } 1009511b41d2SMark Murray if (pflag) 1010511b41d2SMark Murray (void) chmod(np, mode); 1011511b41d2SMark Murray } else { 1012511b41d2SMark Murray /* Handle copying from a read-only 1013511b41d2SMark Murray directory */ 1014511b41d2SMark Murray mod_flag = 1; 1015511b41d2SMark Murray if (mkdir(np, mode | S_IRWXU) < 0) 1016511b41d2SMark Murray goto bad; 1017511b41d2SMark Murray } 10181e8db6e2SBrian Feldman vect[0] = xstrdup(np); 1019511b41d2SMark Murray sink(1, vect); 1020511b41d2SMark Murray if (setimes) { 1021511b41d2SMark Murray setimes = 0; 10221e8db6e2SBrian Feldman if (utimes(vect[0], tv) < 0) 1023511b41d2SMark Murray run_err("%s: set times: %s", 10241e8db6e2SBrian Feldman vect[0], strerror(errno)); 1025511b41d2SMark Murray } 1026511b41d2SMark Murray if (mod_flag) 10271e8db6e2SBrian Feldman (void) chmod(vect[0], mode); 10281e8db6e2SBrian Feldman if (vect[0]) 10291e8db6e2SBrian Feldman xfree(vect[0]); 1030511b41d2SMark Murray continue; 1031511b41d2SMark Murray } 1032511b41d2SMark Murray omode = mode; 1033511b41d2SMark Murray mode |= S_IWRITE; 1034ae1f160dSDag-Erling Smørgrav if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { 1035511b41d2SMark Murray bad: run_err("%s: %s", np, strerror(errno)); 1036511b41d2SMark Murray continue; 1037511b41d2SMark Murray } 1038cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 1039d4af9e69SDag-Erling Smørgrav if ((bp = allocbuf(&buffer, ofd, COPY_BUFLEN)) == NULL) { 1040511b41d2SMark Murray (void) close(ofd); 1041511b41d2SMark Murray continue; 1042511b41d2SMark Murray } 1043511b41d2SMark Murray cp = bp->buf; 1044511b41d2SMark Murray wrerr = NO; 1045511b41d2SMark Murray 1046511b41d2SMark Murray statbytes = 0; 1047e73e9afaSDag-Erling Smørgrav if (showprogress) 1048e73e9afaSDag-Erling Smørgrav start_progress_meter(curfile, size, &statbytes); 1049d4af9e69SDag-Erling Smørgrav set_nonblock(remin); 1050d4af9e69SDag-Erling Smørgrav for (count = i = 0; i < size; i += bp->cnt) { 1051d4af9e69SDag-Erling Smørgrav amt = bp->cnt; 1052511b41d2SMark Murray if (i + amt > size) 1053511b41d2SMark Murray amt = size - i; 1054511b41d2SMark Murray count += amt; 1055511b41d2SMark Murray do { 1056d4af9e69SDag-Erling Smørgrav j = scpio(read, remin, cp, amt, &statbytes); 1057d4ecd108SDag-Erling Smørgrav if (j == 0) { 1058d4af9e69SDag-Erling Smørgrav run_err("%s", j != EPIPE ? 1059d4af9e69SDag-Erling Smørgrav strerror(errno) : 1060511b41d2SMark Murray "dropped connection"); 1061511b41d2SMark Murray exit(1); 1062511b41d2SMark Murray } 1063511b41d2SMark Murray amt -= j; 1064511b41d2SMark Murray cp += j; 1065511b41d2SMark Murray } while (amt > 0); 1066e73e9afaSDag-Erling Smørgrav 1067511b41d2SMark Murray if (count == bp->cnt) { 1068511b41d2SMark Murray /* Keep reading so we stay sync'd up. */ 1069511b41d2SMark Murray if (wrerr == NO) { 1070d4ecd108SDag-Erling Smørgrav if (atomicio(vwrite, ofd, bp->buf, 1071d4ecd108SDag-Erling Smørgrav count) != count) { 1072511b41d2SMark Murray wrerr = YES; 1073d4ecd108SDag-Erling Smørgrav wrerrno = errno; 1074511b41d2SMark Murray } 1075511b41d2SMark Murray } 1076511b41d2SMark Murray count = 0; 1077511b41d2SMark Murray cp = bp->buf; 1078511b41d2SMark Murray } 1079511b41d2SMark Murray } 1080d4af9e69SDag-Erling Smørgrav unset_nonblock(remin); 1081511b41d2SMark Murray if (showprogress) 1082e73e9afaSDag-Erling Smørgrav stop_progress_meter(); 1083511b41d2SMark Murray if (count != 0 && wrerr == NO && 1084d4ecd108SDag-Erling Smørgrav atomicio(vwrite, ofd, bp->buf, count) != count) { 1085511b41d2SMark Murray wrerr = YES; 1086d4ecd108SDag-Erling Smørgrav wrerrno = errno; 1087511b41d2SMark Murray } 1088d4af9e69SDag-Erling Smørgrav if (wrerr == NO && (!exists || S_ISREG(stb.st_mode)) && 1089d4af9e69SDag-Erling Smørgrav ftruncate(ofd, size) != 0) { 1090511b41d2SMark Murray run_err("%s: truncate: %s", np, strerror(errno)); 1091511b41d2SMark Murray wrerr = DISPLAYED; 1092511b41d2SMark Murray } 1093511b41d2SMark Murray if (pflag) { 1094511b41d2SMark Murray if (exists || omode != mode) 109583d2307dSDag-Erling Smørgrav #ifdef HAVE_FCHMOD 109621e764dfSDag-Erling Smørgrav if (fchmod(ofd, omode)) { 109783d2307dSDag-Erling Smørgrav #else /* HAVE_FCHMOD */ 109821e764dfSDag-Erling Smørgrav if (chmod(np, omode)) { 109983d2307dSDag-Erling Smørgrav #endif /* HAVE_FCHMOD */ 1100511b41d2SMark Murray run_err("%s: set mode: %s", 1101511b41d2SMark Murray np, strerror(errno)); 110221e764dfSDag-Erling Smørgrav wrerr = DISPLAYED; 110321e764dfSDag-Erling Smørgrav } 1104511b41d2SMark Murray } else { 1105511b41d2SMark Murray if (!exists && omode != mode) 110683d2307dSDag-Erling Smørgrav #ifdef HAVE_FCHMOD 110721e764dfSDag-Erling Smørgrav if (fchmod(ofd, omode & ~mask)) { 110883d2307dSDag-Erling Smørgrav #else /* HAVE_FCHMOD */ 110921e764dfSDag-Erling Smørgrav if (chmod(np, omode & ~mask)) { 111083d2307dSDag-Erling Smørgrav #endif /* HAVE_FCHMOD */ 1111511b41d2SMark Murray run_err("%s: set mode: %s", 1112511b41d2SMark Murray np, strerror(errno)); 111321e764dfSDag-Erling Smørgrav wrerr = DISPLAYED; 111421e764dfSDag-Erling Smørgrav } 1115511b41d2SMark Murray } 1116b66f2d16SKris Kennaway if (close(ofd) == -1) { 1117b66f2d16SKris Kennaway wrerr = YES; 1118b66f2d16SKris Kennaway wrerrno = errno; 1119b66f2d16SKris Kennaway } 1120511b41d2SMark Murray (void) response(); 1121511b41d2SMark Murray if (setimes && wrerr == NO) { 1122511b41d2SMark Murray setimes = 0; 11235b9b2fafSBrian Feldman if (utimes(np, tv) < 0) { 1124511b41d2SMark Murray run_err("%s: set times: %s", 1125511b41d2SMark Murray np, strerror(errno)); 1126511b41d2SMark Murray wrerr = DISPLAYED; 1127511b41d2SMark Murray } 1128511b41d2SMark Murray } 1129511b41d2SMark Murray switch (wrerr) { 1130511b41d2SMark Murray case YES: 1131511b41d2SMark Murray run_err("%s: %s", np, strerror(wrerrno)); 1132511b41d2SMark Murray break; 1133511b41d2SMark Murray case NO: 1134cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 1135511b41d2SMark Murray break; 1136511b41d2SMark Murray case DISPLAYED: 1137511b41d2SMark Murray break; 1138511b41d2SMark Murray } 1139511b41d2SMark Murray } 1140511b41d2SMark Murray screwup: 1141511b41d2SMark Murray run_err("protocol error: %s", why); 1142511b41d2SMark Murray exit(1); 1143511b41d2SMark Murray } 1144511b41d2SMark Murray 1145511b41d2SMark Murray int 1146ae1f160dSDag-Erling Smørgrav response(void) 1147511b41d2SMark Murray { 1148511b41d2SMark Murray char ch, *cp, resp, rbuf[2048]; 1149511b41d2SMark Murray 1150a04a10f8SKris Kennaway if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) 1151511b41d2SMark Murray lostconn(0); 1152511b41d2SMark Murray 1153511b41d2SMark Murray cp = rbuf; 1154511b41d2SMark Murray switch (resp) { 1155511b41d2SMark Murray case 0: /* ok */ 1156511b41d2SMark Murray return (0); 1157511b41d2SMark Murray default: 1158511b41d2SMark Murray *cp++ = resp; 1159511b41d2SMark Murray /* FALLTHROUGH */ 1160511b41d2SMark Murray case 1: /* error, followed by error msg */ 1161511b41d2SMark Murray case 2: /* fatal error, "" */ 1162511b41d2SMark Murray do { 1163a04a10f8SKris Kennaway if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) 1164511b41d2SMark Murray lostconn(0); 1165511b41d2SMark Murray *cp++ = ch; 1166511b41d2SMark Murray } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); 1167511b41d2SMark Murray 1168511b41d2SMark Murray if (!iamremote) 1169cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, STDERR_FILENO, rbuf, cp - rbuf); 1170511b41d2SMark Murray ++errs; 1171511b41d2SMark Murray if (resp == 1) 1172511b41d2SMark Murray return (-1); 1173511b41d2SMark Murray exit(1); 1174511b41d2SMark Murray } 1175511b41d2SMark Murray /* NOTREACHED */ 1176511b41d2SMark Murray } 1177511b41d2SMark Murray 1178511b41d2SMark Murray void 1179ae1f160dSDag-Erling Smørgrav usage(void) 1180511b41d2SMark Murray { 1181ae1f160dSDag-Erling Smørgrav (void) fprintf(stderr, 11821ec0d754SDag-Erling Smørgrav "usage: scp [-1246BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]\n" 11831ec0d754SDag-Erling Smørgrav " [-l limit] [-o ssh_option] [-P port] [-S program]\n" 1184d4af9e69SDag-Erling Smørgrav " [[user@]host1:]file1 ... [[user@]host2:]file2\n"); 1185511b41d2SMark Murray exit(1); 1186511b41d2SMark Murray } 1187511b41d2SMark Murray 1188511b41d2SMark Murray void 1189511b41d2SMark Murray run_err(const char *fmt,...) 1190511b41d2SMark Murray { 1191511b41d2SMark Murray static FILE *fp; 1192511b41d2SMark Murray va_list ap; 1193511b41d2SMark Murray 1194511b41d2SMark Murray ++errs; 1195333ee039SDag-Erling Smørgrav if (fp != NULL || (remout != -1 && (fp = fdopen(remout, "w")))) { 1196511b41d2SMark Murray (void) fprintf(fp, "%c", 0x01); 1197511b41d2SMark Murray (void) fprintf(fp, "scp: "); 1198ae1f160dSDag-Erling Smørgrav va_start(ap, fmt); 1199511b41d2SMark Murray (void) vfprintf(fp, fmt, ap); 1200ae1f160dSDag-Erling Smørgrav va_end(ap); 1201511b41d2SMark Murray (void) fprintf(fp, "\n"); 1202511b41d2SMark Murray (void) fflush(fp); 1203333ee039SDag-Erling Smørgrav } 1204511b41d2SMark Murray 1205511b41d2SMark Murray if (!iamremote) { 1206ae1f160dSDag-Erling Smørgrav va_start(ap, fmt); 1207511b41d2SMark Murray vfprintf(stderr, fmt, ap); 1208ae1f160dSDag-Erling Smørgrav va_end(ap); 1209511b41d2SMark Murray fprintf(stderr, "\n"); 1210511b41d2SMark Murray } 1211511b41d2SMark Murray } 1212511b41d2SMark Murray 1213511b41d2SMark Murray void 1214cf2b5f3bSDag-Erling Smørgrav verifydir(char *cp) 1215511b41d2SMark Murray { 1216511b41d2SMark Murray struct stat stb; 1217511b41d2SMark Murray 1218511b41d2SMark Murray if (!stat(cp, &stb)) { 1219511b41d2SMark Murray if (S_ISDIR(stb.st_mode)) 1220511b41d2SMark Murray return; 1221511b41d2SMark Murray errno = ENOTDIR; 1222511b41d2SMark Murray } 1223511b41d2SMark Murray run_err("%s: %s", cp, strerror(errno)); 1224d4ecd108SDag-Erling Smørgrav killchild(0); 1225511b41d2SMark Murray } 1226511b41d2SMark Murray 1227511b41d2SMark Murray int 1228cf2b5f3bSDag-Erling Smørgrav okname(char *cp0) 1229511b41d2SMark Murray { 1230511b41d2SMark Murray int c; 1231511b41d2SMark Murray char *cp; 1232511b41d2SMark Murray 1233511b41d2SMark Murray cp = cp0; 1234511b41d2SMark Murray do { 1235ae1f160dSDag-Erling Smørgrav c = (int)*cp; 1236511b41d2SMark Murray if (c & 0200) 1237511b41d2SMark Murray goto bad; 1238e73e9afaSDag-Erling Smørgrav if (!isalpha(c) && !isdigit(c)) { 1239e73e9afaSDag-Erling Smørgrav switch (c) { 1240e73e9afaSDag-Erling Smørgrav case '\'': 1241e73e9afaSDag-Erling Smørgrav case '"': 1242e73e9afaSDag-Erling Smørgrav case '`': 1243e73e9afaSDag-Erling Smørgrav case ' ': 1244e73e9afaSDag-Erling Smørgrav case '#': 1245511b41d2SMark Murray goto bad; 1246e73e9afaSDag-Erling Smørgrav default: 1247e73e9afaSDag-Erling Smørgrav break; 1248e73e9afaSDag-Erling Smørgrav } 1249e73e9afaSDag-Erling Smørgrav } 1250511b41d2SMark Murray } while (*++cp); 1251511b41d2SMark Murray return (1); 1252511b41d2SMark Murray 1253511b41d2SMark Murray bad: fprintf(stderr, "%s: invalid user name\n", cp0); 1254511b41d2SMark Murray return (0); 1255511b41d2SMark Murray } 1256511b41d2SMark Murray 1257511b41d2SMark Murray BUF * 1258cf2b5f3bSDag-Erling Smørgrav allocbuf(BUF *bp, int fd, int blksize) 1259511b41d2SMark Murray { 1260511b41d2SMark Murray size_t size; 126183d2307dSDag-Erling Smørgrav #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE 1262511b41d2SMark Murray struct stat stb; 1263511b41d2SMark Murray 1264511b41d2SMark Murray if (fstat(fd, &stb) < 0) { 1265511b41d2SMark Murray run_err("fstat: %s", strerror(errno)); 1266511b41d2SMark Murray return (0); 1267511b41d2SMark Murray } 1268b6fd52a0SDag-Erling Smørgrav size = roundup(stb.st_blksize, blksize); 1269e73e9afaSDag-Erling Smørgrav if (size == 0) 1270e73e9afaSDag-Erling Smørgrav size = blksize; 127183d2307dSDag-Erling Smørgrav #else /* HAVE_STRUCT_STAT_ST_BLKSIZE */ 127283d2307dSDag-Erling Smørgrav size = blksize; 127383d2307dSDag-Erling Smørgrav #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ 1274511b41d2SMark Murray if (bp->cnt >= size) 1275511b41d2SMark Murray return (bp); 1276511b41d2SMark Murray if (bp->buf == NULL) 1277511b41d2SMark Murray bp->buf = xmalloc(size); 1278511b41d2SMark Murray else 1279333ee039SDag-Erling Smørgrav bp->buf = xrealloc(bp->buf, 1, size); 1280ae1f160dSDag-Erling Smørgrav memset(bp->buf, 0, size); 1281511b41d2SMark Murray bp->cnt = size; 1282511b41d2SMark Murray return (bp); 1283511b41d2SMark Murray } 1284511b41d2SMark Murray 1285511b41d2SMark Murray void 1286cf2b5f3bSDag-Erling Smørgrav lostconn(int signo) 1287511b41d2SMark Murray { 1288511b41d2SMark Murray if (!iamremote) 1289ae1f160dSDag-Erling Smørgrav write(STDERR_FILENO, "lost connection\n", 16); 1290ae1f160dSDag-Erling Smørgrav if (signo) 1291ae1f160dSDag-Erling Smørgrav _exit(1); 1292ae1f160dSDag-Erling Smørgrav else 1293511b41d2SMark Murray exit(1); 1294511b41d2SMark Murray } 1295