1e2f6069cSDag-Erling Smørgrav /* $OpenBSD: scp.c,v 1.166 2010/07/01 13:06:59 millert 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 159e2f6069cSDag-Erling Smørgrav static void 160e2f6069cSDag-Erling Smørgrav suspchild(int signo) 161e2f6069cSDag-Erling Smørgrav { 162e2f6069cSDag-Erling Smørgrav int status; 163e2f6069cSDag-Erling Smørgrav 164e2f6069cSDag-Erling Smørgrav if (do_cmd_pid > 1) { 165e2f6069cSDag-Erling Smørgrav kill(do_cmd_pid, signo); 166e2f6069cSDag-Erling Smørgrav while (waitpid(do_cmd_pid, &status, WUNTRACED) == -1 && 167e2f6069cSDag-Erling Smørgrav errno == EINTR) 168e2f6069cSDag-Erling Smørgrav ; 169e2f6069cSDag-Erling Smørgrav kill(getpid(), SIGSTOP); 170e2f6069cSDag-Erling Smørgrav } 171e2f6069cSDag-Erling Smørgrav } 172e2f6069cSDag-Erling Smørgrav 173b74df5b2SDag-Erling Smørgrav static int 174b74df5b2SDag-Erling Smørgrav do_local_cmd(arglist *a) 175b74df5b2SDag-Erling Smørgrav { 176b74df5b2SDag-Erling Smørgrav u_int i; 177b74df5b2SDag-Erling Smørgrav int status; 178b74df5b2SDag-Erling Smørgrav pid_t pid; 179b74df5b2SDag-Erling Smørgrav 180b74df5b2SDag-Erling Smørgrav if (a->num == 0) 181b74df5b2SDag-Erling Smørgrav fatal("do_local_cmd: no arguments"); 182b74df5b2SDag-Erling Smørgrav 183b74df5b2SDag-Erling Smørgrav if (verbose_mode) { 184b74df5b2SDag-Erling Smørgrav fprintf(stderr, "Executing:"); 185b74df5b2SDag-Erling Smørgrav for (i = 0; i < a->num; i++) 186b74df5b2SDag-Erling Smørgrav fprintf(stderr, " %s", a->list[i]); 187b74df5b2SDag-Erling Smørgrav fprintf(stderr, "\n"); 188b74df5b2SDag-Erling Smørgrav } 189b74df5b2SDag-Erling Smørgrav if ((pid = fork()) == -1) 190b74df5b2SDag-Erling Smørgrav fatal("do_local_cmd: fork: %s", strerror(errno)); 191b74df5b2SDag-Erling Smørgrav 192b74df5b2SDag-Erling Smørgrav if (pid == 0) { 193b74df5b2SDag-Erling Smørgrav execvp(a->list[0], a->list); 194b74df5b2SDag-Erling Smørgrav perror(a->list[0]); 195b74df5b2SDag-Erling Smørgrav exit(1); 196b74df5b2SDag-Erling Smørgrav } 197b74df5b2SDag-Erling Smørgrav 198b74df5b2SDag-Erling Smørgrav do_cmd_pid = pid; 199b74df5b2SDag-Erling Smørgrav signal(SIGTERM, killchild); 200b74df5b2SDag-Erling Smørgrav signal(SIGINT, killchild); 201b74df5b2SDag-Erling Smørgrav signal(SIGHUP, killchild); 202b74df5b2SDag-Erling Smørgrav 203b74df5b2SDag-Erling Smørgrav while (waitpid(pid, &status, 0) == -1) 204b74df5b2SDag-Erling Smørgrav if (errno != EINTR) 205b74df5b2SDag-Erling Smørgrav fatal("do_local_cmd: waitpid: %s", strerror(errno)); 206b74df5b2SDag-Erling Smørgrav 207b74df5b2SDag-Erling Smørgrav do_cmd_pid = -1; 208b74df5b2SDag-Erling Smørgrav 209b74df5b2SDag-Erling Smørgrav if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) 210b74df5b2SDag-Erling Smørgrav return (-1); 211b74df5b2SDag-Erling Smørgrav 212b74df5b2SDag-Erling Smørgrav return (0); 213b74df5b2SDag-Erling Smørgrav } 214b74df5b2SDag-Erling Smørgrav 215511b41d2SMark Murray /* 216511b41d2SMark Murray * This function executes the given command as the specified user on the 217511b41d2SMark Murray * given host. This returns < 0 if execution fails, and >= 0 otherwise. This 218511b41d2SMark Murray * assigns the input and output file descriptors on success. 219511b41d2SMark Murray */ 220511b41d2SMark Murray 221511b41d2SMark Murray int 222333ee039SDag-Erling Smørgrav do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout) 223511b41d2SMark Murray { 224511b41d2SMark Murray int pin[2], pout[2], reserved[2]; 225511b41d2SMark Murray 226511b41d2SMark Murray if (verbose_mode) 227ae1f160dSDag-Erling Smørgrav fprintf(stderr, 228ae1f160dSDag-Erling Smørgrav "Executing: program %s host %s, user %s, command %s\n", 229ae1f160dSDag-Erling Smørgrav ssh_program, host, 230ae1f160dSDag-Erling Smørgrav remuser ? remuser : "(unspecified)", cmd); 231511b41d2SMark Murray 232511b41d2SMark Murray /* 233511b41d2SMark Murray * Reserve two descriptors so that the real pipes won't get 234511b41d2SMark Murray * descriptors 0 and 1 because that will screw up dup2 below. 235511b41d2SMark Murray */ 236333ee039SDag-Erling Smørgrav if (pipe(reserved) < 0) 237333ee039SDag-Erling Smørgrav fatal("pipe: %s", strerror(errno)); 238511b41d2SMark Murray 239511b41d2SMark Murray /* Create a socket pair for communicating with ssh. */ 240511b41d2SMark Murray if (pipe(pin) < 0) 241511b41d2SMark Murray fatal("pipe: %s", strerror(errno)); 242511b41d2SMark Murray if (pipe(pout) < 0) 243511b41d2SMark Murray fatal("pipe: %s", strerror(errno)); 244511b41d2SMark Murray 245511b41d2SMark Murray /* Free the reserved descriptors. */ 246511b41d2SMark Murray close(reserved[0]); 247511b41d2SMark Murray close(reserved[1]); 248511b41d2SMark Murray 249e2f6069cSDag-Erling Smørgrav signal(SIGTSTP, suspchild); 250e2f6069cSDag-Erling Smørgrav signal(SIGTTIN, suspchild); 251e2f6069cSDag-Erling Smørgrav signal(SIGTTOU, suspchild); 252e2f6069cSDag-Erling Smørgrav 253cf2b5f3bSDag-Erling Smørgrav /* Fork a child to execute the command on the remote host using ssh. */ 254e73e9afaSDag-Erling Smørgrav do_cmd_pid = fork(); 255e73e9afaSDag-Erling Smørgrav if (do_cmd_pid == 0) { 256511b41d2SMark Murray /* Child. */ 257511b41d2SMark Murray close(pin[1]); 258511b41d2SMark Murray close(pout[0]); 259511b41d2SMark Murray dup2(pin[0], 0); 260511b41d2SMark Murray dup2(pout[1], 1); 261511b41d2SMark Murray close(pin[0]); 262511b41d2SMark Murray close(pout[1]); 263511b41d2SMark Murray 264b74df5b2SDag-Erling Smørgrav replacearg(&args, 0, "%s", ssh_program); 265b15c8340SDag-Erling Smørgrav if (remuser != NULL) { 266b15c8340SDag-Erling Smørgrav addargs(&args, "-l"); 267b15c8340SDag-Erling Smørgrav addargs(&args, "%s", remuser); 268b15c8340SDag-Erling Smørgrav } 269b15c8340SDag-Erling Smørgrav addargs(&args, "--"); 270ae1f160dSDag-Erling Smørgrav addargs(&args, "%s", host); 271ae1f160dSDag-Erling Smørgrav addargs(&args, "%s", cmd); 272511b41d2SMark Murray 2735b9b2fafSBrian Feldman execvp(ssh_program, args.list); 274b66f2d16SKris Kennaway perror(ssh_program); 275511b41d2SMark Murray exit(1); 276e73e9afaSDag-Erling Smørgrav } else if (do_cmd_pid == -1) { 277e73e9afaSDag-Erling Smørgrav fatal("fork: %s", strerror(errno)); 278511b41d2SMark Murray } 279511b41d2SMark Murray /* Parent. Close the other side, and return the local side. */ 280511b41d2SMark Murray close(pin[0]); 281511b41d2SMark Murray *fdout = pin[1]; 282511b41d2SMark Murray close(pout[1]); 283511b41d2SMark Murray *fdin = pout[0]; 284cf2b5f3bSDag-Erling Smørgrav signal(SIGTERM, killchild); 285cf2b5f3bSDag-Erling Smørgrav signal(SIGINT, killchild); 286cf2b5f3bSDag-Erling Smørgrav signal(SIGHUP, killchild); 287511b41d2SMark Murray return 0; 288511b41d2SMark Murray } 289511b41d2SMark Murray 290511b41d2SMark Murray typedef struct { 291d4ecd108SDag-Erling Smørgrav size_t cnt; 292511b41d2SMark Murray char *buf; 293511b41d2SMark Murray } BUF; 294511b41d2SMark Murray 295511b41d2SMark Murray BUF *allocbuf(BUF *, int, int); 296511b41d2SMark Murray void lostconn(int); 297511b41d2SMark Murray int okname(char *); 298511b41d2SMark Murray void run_err(const char *,...); 299511b41d2SMark Murray void verifydir(char *); 300511b41d2SMark Murray 301511b41d2SMark Murray struct passwd *pwd; 302511b41d2SMark Murray uid_t userid; 303511b41d2SMark Murray int errs, remin, remout; 304511b41d2SMark Murray int pflag, iamremote, iamrecursive, targetshouldbedirectory; 305511b41d2SMark Murray 306511b41d2SMark Murray #define CMDNEEDS 64 307511b41d2SMark Murray char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ 308511b41d2SMark Murray 309511b41d2SMark Murray int response(void); 310511b41d2SMark Murray void rsource(char *, struct stat *); 311511b41d2SMark Murray void sink(int, char *[]); 312511b41d2SMark Murray void source(int, char *[]); 313511b41d2SMark Murray void tolocal(int, char *[]); 314511b41d2SMark Murray void toremote(char *, int, char *[]); 315d4af9e69SDag-Erling Smørgrav size_t scpio(ssize_t (*)(int, void *, size_t), int, void *, size_t, off_t *); 316511b41d2SMark Murray void usage(void); 317511b41d2SMark Murray 318511b41d2SMark Murray int 319cf2b5f3bSDag-Erling Smørgrav main(int argc, char **argv) 320511b41d2SMark Murray { 321333ee039SDag-Erling Smørgrav int ch, fflag, tflag, status, n; 322e73e9afaSDag-Erling Smørgrav double speed; 323333ee039SDag-Erling Smørgrav char *targ, *endp, **newargv; 324511b41d2SMark Murray extern char *optarg; 325511b41d2SMark Murray extern int optind; 326511b41d2SMark Murray 327b74df5b2SDag-Erling Smørgrav /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ 328b74df5b2SDag-Erling Smørgrav sanitise_stdfd(); 329b74df5b2SDag-Erling Smørgrav 330333ee039SDag-Erling Smørgrav /* Copy argv, because we modify it */ 331333ee039SDag-Erling Smørgrav newargv = xcalloc(MAX(argc + 1, 1), sizeof(*newargv)); 332333ee039SDag-Erling Smørgrav for (n = 0; n < argc; n++) 333333ee039SDag-Erling Smørgrav newargv[n] = xstrdup(argv[n]); 334333ee039SDag-Erling Smørgrav argv = newargv; 335333ee039SDag-Erling Smørgrav 336cf2b5f3bSDag-Erling Smørgrav __progname = ssh_get_progname(argv[0]); 33783d2307dSDag-Erling Smørgrav 338b74df5b2SDag-Erling Smørgrav memset(&args, '\0', sizeof(args)); 3395b9b2fafSBrian Feldman args.list = NULL; 340b74df5b2SDag-Erling Smørgrav addargs(&args, "%s", ssh_program); 341ae1f160dSDag-Erling Smørgrav addargs(&args, "-x"); 342ae1f160dSDag-Erling Smørgrav addargs(&args, "-oForwardAgent no"); 343b74df5b2SDag-Erling Smørgrav addargs(&args, "-oPermitLocalCommand no"); 344ae1f160dSDag-Erling Smørgrav addargs(&args, "-oClearAllForwardings yes"); 3455b9b2fafSBrian Feldman 346511b41d2SMark Murray fflag = tflag = 0; 347e73e9afaSDag-Erling Smørgrav while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246S:o:F:")) != -1) 348511b41d2SMark Murray switch (ch) { 349511b41d2SMark Murray /* User-visible flags. */ 350e73e9afaSDag-Erling Smørgrav case '1': 351e73e9afaSDag-Erling Smørgrav case '2': 352511b41d2SMark Murray case '4': 353511b41d2SMark Murray case '6': 3545b9b2fafSBrian Feldman case 'C': 355ae1f160dSDag-Erling Smørgrav addargs(&args, "-%c", ch); 3565b9b2fafSBrian Feldman break; 3575b9b2fafSBrian Feldman case 'o': 3585b9b2fafSBrian Feldman case 'c': 3595b9b2fafSBrian Feldman case 'i': 360ae1f160dSDag-Erling Smørgrav case 'F': 361b15c8340SDag-Erling Smørgrav addargs(&args, "-%c", ch); 362b15c8340SDag-Erling Smørgrav addargs(&args, "%s", optarg); 3635b9b2fafSBrian Feldman break; 3645b9b2fafSBrian Feldman case 'P': 365b15c8340SDag-Erling Smørgrav addargs(&args, "-p"); 366b15c8340SDag-Erling Smørgrav addargs(&args, "%s", optarg); 3675b9b2fafSBrian Feldman break; 3685b9b2fafSBrian Feldman case 'B': 369ae1f160dSDag-Erling Smørgrav addargs(&args, "-oBatchmode yes"); 370511b41d2SMark Murray break; 371e73e9afaSDag-Erling Smørgrav case 'l': 372e73e9afaSDag-Erling Smørgrav speed = strtod(optarg, &endp); 373e73e9afaSDag-Erling Smørgrav if (speed <= 0 || *endp != '\0') 374e73e9afaSDag-Erling Smørgrav usage(); 3751ec0d754SDag-Erling Smørgrav limit_rate = speed * 1024; 376e73e9afaSDag-Erling Smørgrav break; 377511b41d2SMark Murray case 'p': 378511b41d2SMark Murray pflag = 1; 379511b41d2SMark Murray break; 380511b41d2SMark Murray case 'r': 381511b41d2SMark Murray iamrecursive = 1; 382511b41d2SMark Murray break; 383b66f2d16SKris Kennaway case 'S': 3845b9b2fafSBrian Feldman ssh_program = xstrdup(optarg); 3855b9b2fafSBrian Feldman break; 3865b9b2fafSBrian Feldman case 'v': 387ae1f160dSDag-Erling Smørgrav addargs(&args, "-v"); 3885b9b2fafSBrian Feldman verbose_mode = 1; 3895b9b2fafSBrian Feldman break; 3905b9b2fafSBrian Feldman case 'q': 3911ec0d754SDag-Erling Smørgrav addargs(&args, "-q"); 3925b9b2fafSBrian Feldman showprogress = 0; 393b66f2d16SKris Kennaway break; 394b66f2d16SKris Kennaway 395511b41d2SMark Murray /* Server options. */ 396511b41d2SMark Murray case 'd': 397511b41d2SMark Murray targetshouldbedirectory = 1; 398511b41d2SMark Murray break; 399511b41d2SMark Murray case 'f': /* "from" */ 400511b41d2SMark Murray iamremote = 1; 401511b41d2SMark Murray fflag = 1; 402511b41d2SMark Murray break; 403511b41d2SMark Murray case 't': /* "to" */ 404511b41d2SMark Murray iamremote = 1; 405511b41d2SMark Murray tflag = 1; 40683d2307dSDag-Erling Smørgrav #ifdef HAVE_CYGWIN 40783d2307dSDag-Erling Smørgrav setmode(0, O_BINARY); 40883d2307dSDag-Erling Smørgrav #endif 409511b41d2SMark Murray break; 410511b41d2SMark Murray default: 411511b41d2SMark Murray usage(); 412511b41d2SMark Murray } 413511b41d2SMark Murray argc -= optind; 414511b41d2SMark Murray argv += optind; 415511b41d2SMark Murray 416511b41d2SMark Murray if ((pwd = getpwuid(userid = getuid())) == NULL) 417cf2b5f3bSDag-Erling Smørgrav fatal("unknown user %u", (u_int) userid); 418511b41d2SMark Murray 419d4af9e69SDag-Erling Smørgrav if (!isatty(STDOUT_FILENO)) 420511b41d2SMark Murray showprogress = 0; 421511b41d2SMark Murray 422511b41d2SMark Murray remin = STDIN_FILENO; 423511b41d2SMark Murray remout = STDOUT_FILENO; 424511b41d2SMark Murray 425511b41d2SMark Murray if (fflag) { 426511b41d2SMark Murray /* Follow "protocol", send data. */ 427511b41d2SMark Murray (void) response(); 428511b41d2SMark Murray source(argc, argv); 429511b41d2SMark Murray exit(errs != 0); 430511b41d2SMark Murray } 431511b41d2SMark Murray if (tflag) { 432511b41d2SMark Murray /* Receive data. */ 433511b41d2SMark Murray sink(argc, argv); 434511b41d2SMark Murray exit(errs != 0); 435511b41d2SMark Murray } 436511b41d2SMark Murray if (argc < 2) 437511b41d2SMark Murray usage(); 438511b41d2SMark Murray if (argc > 2) 439511b41d2SMark Murray targetshouldbedirectory = 1; 440511b41d2SMark Murray 441511b41d2SMark Murray remin = remout = -1; 442e73e9afaSDag-Erling Smørgrav do_cmd_pid = -1; 443511b41d2SMark Murray /* Command to be executed on remote system using "ssh". */ 4441e8db6e2SBrian Feldman (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", 4451e8db6e2SBrian Feldman verbose_mode ? " -v" : "", 446511b41d2SMark Murray iamrecursive ? " -r" : "", pflag ? " -p" : "", 447511b41d2SMark Murray targetshouldbedirectory ? " -d" : ""); 448511b41d2SMark Murray 449511b41d2SMark Murray (void) signal(SIGPIPE, lostconn); 450511b41d2SMark Murray 451511b41d2SMark Murray if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ 452511b41d2SMark Murray toremote(targ, argc, argv); 453511b41d2SMark Murray else { 454511b41d2SMark Murray if (targetshouldbedirectory) 455511b41d2SMark Murray verifydir(argv[argc - 1]); 456b74df5b2SDag-Erling Smørgrav tolocal(argc, argv); /* Dest is local host. */ 457511b41d2SMark Murray } 458e73e9afaSDag-Erling Smørgrav /* 459e73e9afaSDag-Erling Smørgrav * Finally check the exit status of the ssh process, if one was forked 460cce7d346SDag-Erling Smørgrav * and no error has occurred yet 461e73e9afaSDag-Erling Smørgrav */ 462e73e9afaSDag-Erling Smørgrav if (do_cmd_pid != -1 && errs == 0) { 463e73e9afaSDag-Erling Smørgrav if (remin != -1) 464e73e9afaSDag-Erling Smørgrav (void) close(remin); 465e73e9afaSDag-Erling Smørgrav if (remout != -1) 466e73e9afaSDag-Erling Smørgrav (void) close(remout); 467e73e9afaSDag-Erling Smørgrav if (waitpid(do_cmd_pid, &status, 0) == -1) 468e73e9afaSDag-Erling Smørgrav errs = 1; 469e73e9afaSDag-Erling Smørgrav else { 470e73e9afaSDag-Erling Smørgrav if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) 471e73e9afaSDag-Erling Smørgrav errs = 1; 472e73e9afaSDag-Erling Smørgrav } 473e73e9afaSDag-Erling Smørgrav } 474511b41d2SMark Murray exit(errs != 0); 475511b41d2SMark Murray } 476511b41d2SMark Murray 477d4af9e69SDag-Erling Smørgrav /* 478d4af9e69SDag-Erling Smørgrav * atomicio-like wrapper that also applies bandwidth limits and updates 479d4af9e69SDag-Erling Smørgrav * the progressmeter counter. 480d4af9e69SDag-Erling Smørgrav */ 481d4af9e69SDag-Erling Smørgrav size_t 482d4af9e69SDag-Erling Smørgrav scpio(ssize_t (*f)(int, void *, size_t), int fd, void *_p, size_t l, off_t *c) 483d4af9e69SDag-Erling Smørgrav { 484d4af9e69SDag-Erling Smørgrav u_char *p = (u_char *)_p; 485d4af9e69SDag-Erling Smørgrav size_t offset; 486d4af9e69SDag-Erling Smørgrav ssize_t r; 487d4af9e69SDag-Erling Smørgrav struct pollfd pfd; 488d4af9e69SDag-Erling Smørgrav 489d4af9e69SDag-Erling Smørgrav pfd.fd = fd; 490d4af9e69SDag-Erling Smørgrav pfd.events = f == read ? POLLIN : POLLOUT; 491d4af9e69SDag-Erling Smørgrav for (offset = 0; offset < l;) { 492d4af9e69SDag-Erling Smørgrav r = f(fd, p + offset, l - offset); 493d4af9e69SDag-Erling Smørgrav if (r == 0) { 494d4af9e69SDag-Erling Smørgrav errno = EPIPE; 495d4af9e69SDag-Erling Smørgrav return offset; 496d4af9e69SDag-Erling Smørgrav } 497d4af9e69SDag-Erling Smørgrav if (r < 0) { 498d4af9e69SDag-Erling Smørgrav if (errno == EINTR) 499d4af9e69SDag-Erling Smørgrav continue; 500d4af9e69SDag-Erling Smørgrav if (errno == EAGAIN || errno == EWOULDBLOCK) { 501d4af9e69SDag-Erling Smørgrav (void)poll(&pfd, 1, -1); /* Ignore errors */ 502d4af9e69SDag-Erling Smørgrav continue; 503d4af9e69SDag-Erling Smørgrav } 504d4af9e69SDag-Erling Smørgrav return offset; 505d4af9e69SDag-Erling Smørgrav } 506d4af9e69SDag-Erling Smørgrav offset += (size_t)r; 507d4af9e69SDag-Erling Smørgrav *c += (off_t)r; 508d4af9e69SDag-Erling Smørgrav if (limit_rate) 509d4af9e69SDag-Erling Smørgrav bwlimit(r); 510d4af9e69SDag-Erling Smørgrav } 511d4af9e69SDag-Erling Smørgrav return offset; 512d4af9e69SDag-Erling Smørgrav } 513d4af9e69SDag-Erling Smørgrav 514511b41d2SMark Murray void 515cf2b5f3bSDag-Erling Smørgrav toremote(char *targ, int argc, char **argv) 516511b41d2SMark Murray { 517aa49c926SDag-Erling Smørgrav char *bp, *host, *src, *suser, *thost, *tuser, *arg; 518b74df5b2SDag-Erling Smørgrav arglist alist; 519333ee039SDag-Erling Smørgrav int i; 520b74df5b2SDag-Erling Smørgrav 521b74df5b2SDag-Erling Smørgrav memset(&alist, '\0', sizeof(alist)); 522b74df5b2SDag-Erling Smørgrav alist.list = NULL; 523511b41d2SMark Murray 524511b41d2SMark Murray *targ++ = 0; 525511b41d2SMark Murray if (*targ == 0) 526511b41d2SMark Murray targ = "."; 527511b41d2SMark Murray 528aa49c926SDag-Erling Smørgrav arg = xstrdup(argv[argc - 1]); 529aa49c926SDag-Erling Smørgrav if ((thost = strrchr(arg, '@'))) { 530511b41d2SMark Murray /* user@host */ 531511b41d2SMark Murray *thost++ = 0; 532aa49c926SDag-Erling Smørgrav tuser = arg; 533511b41d2SMark Murray if (*tuser == '\0') 534511b41d2SMark Murray tuser = NULL; 535511b41d2SMark Murray } else { 536aa49c926SDag-Erling Smørgrav thost = arg; 537511b41d2SMark Murray tuser = NULL; 538511b41d2SMark Murray } 539511b41d2SMark Murray 540b74df5b2SDag-Erling Smørgrav if (tuser != NULL && !okname(tuser)) { 541b74df5b2SDag-Erling Smørgrav xfree(arg); 542b74df5b2SDag-Erling Smørgrav return; 543b74df5b2SDag-Erling Smørgrav } 544b74df5b2SDag-Erling Smørgrav 545511b41d2SMark Murray for (i = 0; i < argc - 1; i++) { 546511b41d2SMark Murray src = colon(argv[i]); 547511b41d2SMark Murray if (src) { /* remote to remote */ 548b74df5b2SDag-Erling Smørgrav freeargs(&alist); 549b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", ssh_program); 550b74df5b2SDag-Erling Smørgrav if (verbose_mode) 551b74df5b2SDag-Erling Smørgrav addargs(&alist, "-v"); 552b74df5b2SDag-Erling Smørgrav addargs(&alist, "-x"); 553b74df5b2SDag-Erling Smørgrav addargs(&alist, "-oClearAllForwardings yes"); 554b74df5b2SDag-Erling Smørgrav addargs(&alist, "-n"); 555b74df5b2SDag-Erling Smørgrav 556511b41d2SMark Murray *src++ = 0; 557511b41d2SMark Murray if (*src == 0) 558511b41d2SMark Murray src = "."; 559e73e9afaSDag-Erling Smørgrav host = strrchr(argv[i], '@'); 560b74df5b2SDag-Erling Smørgrav 561511b41d2SMark Murray if (host) { 562511b41d2SMark Murray *host++ = 0; 563511b41d2SMark Murray host = cleanhostname(host); 564511b41d2SMark Murray suser = argv[i]; 565511b41d2SMark Murray if (*suser == '\0') 566511b41d2SMark Murray suser = pwd->pw_name; 567b74df5b2SDag-Erling Smørgrav else if (!okname(suser)) 568511b41d2SMark Murray continue; 569b74df5b2SDag-Erling Smørgrav addargs(&alist, "-l"); 570b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", suser); 571511b41d2SMark Murray } else { 572511b41d2SMark Murray host = cleanhostname(argv[i]); 573b74df5b2SDag-Erling Smørgrav } 574b15c8340SDag-Erling Smørgrav addargs(&alist, "--"); 575b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", host); 576b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", cmd); 577b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", src); 578b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s%s%s:%s", 579511b41d2SMark Murray tuser ? tuser : "", tuser ? "@" : "", 580511b41d2SMark Murray thost, targ); 581b74df5b2SDag-Erling Smørgrav if (do_local_cmd(&alist) != 0) 5821ec0d754SDag-Erling Smørgrav errs = 1; 583511b41d2SMark Murray } else { /* local to remote */ 584511b41d2SMark Murray if (remin == -1) { 585b15c8340SDag-Erling Smørgrav xasprintf(&bp, "%s -t -- %s", cmd, targ); 586511b41d2SMark Murray host = cleanhostname(thost); 587b66f2d16SKris Kennaway if (do_cmd(host, tuser, bp, &remin, 588333ee039SDag-Erling Smørgrav &remout) < 0) 589511b41d2SMark Murray exit(1); 590511b41d2SMark Murray if (response() < 0) 591511b41d2SMark Murray exit(1); 592511b41d2SMark Murray (void) xfree(bp); 593511b41d2SMark Murray } 594511b41d2SMark Murray source(1, argv + i); 595511b41d2SMark Murray } 596511b41d2SMark Murray } 597333ee039SDag-Erling Smørgrav xfree(arg); 598511b41d2SMark Murray } 599511b41d2SMark Murray 600511b41d2SMark Murray void 601cf2b5f3bSDag-Erling Smørgrav tolocal(int argc, char **argv) 602511b41d2SMark Murray { 603511b41d2SMark Murray char *bp, *host, *src, *suser; 604b74df5b2SDag-Erling Smørgrav arglist alist; 605333ee039SDag-Erling Smørgrav int i; 606b74df5b2SDag-Erling Smørgrav 607b74df5b2SDag-Erling Smørgrav memset(&alist, '\0', sizeof(alist)); 608b74df5b2SDag-Erling Smørgrav alist.list = NULL; 609511b41d2SMark Murray 610511b41d2SMark Murray for (i = 0; i < argc - 1; i++) { 611511b41d2SMark Murray if (!(src = colon(argv[i]))) { /* Local to local. */ 612b74df5b2SDag-Erling Smørgrav freeargs(&alist); 613b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", _PATH_CP); 614b74df5b2SDag-Erling Smørgrav if (iamrecursive) 615b74df5b2SDag-Erling Smørgrav addargs(&alist, "-r"); 616b74df5b2SDag-Erling Smørgrav if (pflag) 617b74df5b2SDag-Erling Smørgrav addargs(&alist, "-p"); 618b15c8340SDag-Erling Smørgrav addargs(&alist, "--"); 619b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", argv[i]); 620b74df5b2SDag-Erling Smørgrav addargs(&alist, "%s", argv[argc-1]); 621b74df5b2SDag-Erling Smørgrav if (do_local_cmd(&alist)) 622511b41d2SMark Murray ++errs; 623511b41d2SMark Murray continue; 624511b41d2SMark Murray } 625511b41d2SMark Murray *src++ = 0; 626511b41d2SMark Murray if (*src == 0) 627511b41d2SMark Murray src = "."; 628e73e9afaSDag-Erling Smørgrav if ((host = strrchr(argv[i], '@')) == NULL) { 629511b41d2SMark Murray host = argv[i]; 630511b41d2SMark Murray suser = NULL; 631511b41d2SMark Murray } else { 632511b41d2SMark Murray *host++ = 0; 633511b41d2SMark Murray suser = argv[i]; 634511b41d2SMark Murray if (*suser == '\0') 635511b41d2SMark Murray suser = pwd->pw_name; 636511b41d2SMark Murray } 637511b41d2SMark Murray host = cleanhostname(host); 638b15c8340SDag-Erling Smørgrav xasprintf(&bp, "%s -f -- %s", cmd, src); 639333ee039SDag-Erling Smørgrav if (do_cmd(host, suser, bp, &remin, &remout) < 0) { 640511b41d2SMark Murray (void) xfree(bp); 641511b41d2SMark Murray ++errs; 642511b41d2SMark Murray continue; 643511b41d2SMark Murray } 644511b41d2SMark Murray xfree(bp); 645511b41d2SMark Murray sink(1, argv + argc - 1); 646511b41d2SMark Murray (void) close(remin); 647511b41d2SMark Murray remin = remout = -1; 648511b41d2SMark Murray } 649511b41d2SMark Murray } 650511b41d2SMark Murray 651511b41d2SMark Murray void 652cf2b5f3bSDag-Erling Smørgrav source(int argc, char **argv) 653511b41d2SMark Murray { 654511b41d2SMark Murray struct stat stb; 655511b41d2SMark Murray static BUF buffer; 656511b41d2SMark Murray BUF *bp; 657d4af9e69SDag-Erling Smørgrav off_t i, statbytes; 658d4af9e69SDag-Erling Smørgrav size_t amt; 659d4ecd108SDag-Erling Smørgrav int fd = -1, haderr, indx; 660d4af9e69SDag-Erling Smørgrav char *last, *name, buf[2048], encname[MAXPATHLEN]; 6611e8db6e2SBrian Feldman int len; 662511b41d2SMark Murray 663511b41d2SMark Murray for (indx = 0; indx < argc; ++indx) { 664511b41d2SMark Murray name = argv[indx]; 665511b41d2SMark Murray statbytes = 0; 6661e8db6e2SBrian Feldman len = strlen(name); 6671e8db6e2SBrian Feldman while (len > 1 && name[len-1] == '/') 6681e8db6e2SBrian Feldman name[--len] = '\0'; 669d4af9e69SDag-Erling Smørgrav if ((fd = open(name, O_RDONLY|O_NONBLOCK, 0)) < 0) 670511b41d2SMark Murray goto syserr; 671d4af9e69SDag-Erling Smørgrav if (strchr(name, '\n') != NULL) { 672d4af9e69SDag-Erling Smørgrav strnvis(encname, name, sizeof(encname), VIS_NL); 673d4af9e69SDag-Erling Smørgrav name = encname; 674d4af9e69SDag-Erling Smørgrav } 675511b41d2SMark Murray if (fstat(fd, &stb) < 0) { 676511b41d2SMark Murray syserr: run_err("%s: %s", name, strerror(errno)); 677511b41d2SMark Murray goto next; 678511b41d2SMark Murray } 679d4af9e69SDag-Erling Smørgrav if (stb.st_size < 0) { 680d4af9e69SDag-Erling Smørgrav run_err("%s: %s", name, "Negative file size"); 681d4af9e69SDag-Erling Smørgrav goto next; 682d4af9e69SDag-Erling Smørgrav } 683d4af9e69SDag-Erling Smørgrav unset_nonblock(fd); 684511b41d2SMark Murray switch (stb.st_mode & S_IFMT) { 685511b41d2SMark Murray case S_IFREG: 686511b41d2SMark Murray break; 687511b41d2SMark Murray case S_IFDIR: 688511b41d2SMark Murray if (iamrecursive) { 689511b41d2SMark Murray rsource(name, &stb); 690511b41d2SMark Murray goto next; 691511b41d2SMark Murray } 692511b41d2SMark Murray /* FALLTHROUGH */ 693511b41d2SMark Murray default: 694511b41d2SMark Murray run_err("%s: not a regular file", name); 695511b41d2SMark Murray goto next; 696511b41d2SMark Murray } 697511b41d2SMark Murray if ((last = strrchr(name, '/')) == NULL) 698511b41d2SMark Murray last = name; 699511b41d2SMark Murray else 700511b41d2SMark Murray ++last; 701511b41d2SMark Murray curfile = last; 702511b41d2SMark Murray if (pflag) { 703511b41d2SMark Murray /* 704511b41d2SMark Murray * Make it compatible with possible future 705511b41d2SMark Murray * versions expecting microseconds. 706511b41d2SMark Murray */ 7071e8db6e2SBrian Feldman (void) snprintf(buf, sizeof buf, "T%lu 0 %lu 0\n", 708d4af9e69SDag-Erling Smørgrav (u_long) (stb.st_mtime < 0 ? 0 : stb.st_mtime), 709d4af9e69SDag-Erling Smørgrav (u_long) (stb.st_atime < 0 ? 0 : stb.st_atime)); 710d4af9e69SDag-Erling Smørgrav if (verbose_mode) { 711d4af9e69SDag-Erling Smørgrav fprintf(stderr, "File mtime %ld atime %ld\n", 712d4af9e69SDag-Erling Smørgrav (long)stb.st_mtime, (long)stb.st_atime); 713d4af9e69SDag-Erling Smørgrav fprintf(stderr, "Sending file timestamps: %s", 714d4af9e69SDag-Erling Smørgrav buf); 715d4af9e69SDag-Erling Smørgrav } 716cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, buf, strlen(buf)); 717511b41d2SMark Murray if (response() < 0) 718511b41d2SMark Murray goto next; 719511b41d2SMark Murray } 720511b41d2SMark Murray #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO) 7211e8db6e2SBrian Feldman snprintf(buf, sizeof buf, "C%04o %lld %s\n", 7221e8db6e2SBrian Feldman (u_int) (stb.st_mode & FILEMODEMASK), 723b74df5b2SDag-Erling Smørgrav (long long)stb.st_size, last); 724511b41d2SMark Murray if (verbose_mode) { 725511b41d2SMark Murray fprintf(stderr, "Sending file modes: %s", buf); 726511b41d2SMark Murray } 727cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, buf, strlen(buf)); 728511b41d2SMark Murray if (response() < 0) 729511b41d2SMark Murray goto next; 730d4af9e69SDag-Erling Smørgrav if ((bp = allocbuf(&buffer, fd, COPY_BUFLEN)) == NULL) { 731b74df5b2SDag-Erling Smørgrav next: if (fd != -1) { 732b74df5b2SDag-Erling Smørgrav (void) close(fd); 733b74df5b2SDag-Erling Smørgrav fd = -1; 734b74df5b2SDag-Erling Smørgrav } 735511b41d2SMark Murray continue; 736511b41d2SMark Murray } 737e73e9afaSDag-Erling Smørgrav if (showprogress) 738e73e9afaSDag-Erling Smørgrav start_progress_meter(curfile, stb.st_size, &statbytes); 739d4af9e69SDag-Erling Smørgrav set_nonblock(remout); 740511b41d2SMark Murray for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { 741511b41d2SMark Murray amt = bp->cnt; 742d4af9e69SDag-Erling Smørgrav if (i + (off_t)amt > stb.st_size) 743511b41d2SMark Murray amt = stb.st_size - i; 744511b41d2SMark Murray if (!haderr) { 745d4af9e69SDag-Erling Smørgrav if (atomicio(read, fd, bp->buf, amt) != amt) 746d4ecd108SDag-Erling Smørgrav haderr = errno; 747511b41d2SMark Murray } 748d4af9e69SDag-Erling Smørgrav /* Keep writing after error to retain sync */ 749d4af9e69SDag-Erling Smørgrav if (haderr) { 750cf2b5f3bSDag-Erling Smørgrav (void)atomicio(vwrite, remout, bp->buf, amt); 751d4af9e69SDag-Erling Smørgrav continue; 752d4af9e69SDag-Erling Smørgrav } 753d4af9e69SDag-Erling Smørgrav if (scpio(vwrite, remout, bp->buf, amt, 754d4af9e69SDag-Erling Smørgrav &statbytes) != amt) 755d4ecd108SDag-Erling Smørgrav haderr = errno; 756511b41d2SMark Murray } 757d4af9e69SDag-Erling Smørgrav unset_nonblock(remout); 758511b41d2SMark Murray if (showprogress) 759e73e9afaSDag-Erling Smørgrav stop_progress_meter(); 760511b41d2SMark Murray 761b74df5b2SDag-Erling Smørgrav if (fd != -1) { 762511b41d2SMark Murray if (close(fd) < 0 && !haderr) 763511b41d2SMark Murray haderr = errno; 764b74df5b2SDag-Erling Smørgrav fd = -1; 765b74df5b2SDag-Erling Smørgrav } 766511b41d2SMark Murray if (!haderr) 767cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 768511b41d2SMark Murray else 769511b41d2SMark Murray run_err("%s: %s", name, strerror(haderr)); 770511b41d2SMark Murray (void) response(); 771511b41d2SMark Murray } 772511b41d2SMark Murray } 773511b41d2SMark Murray 774511b41d2SMark Murray void 775cf2b5f3bSDag-Erling Smørgrav rsource(char *name, struct stat *statp) 776511b41d2SMark Murray { 777511b41d2SMark Murray DIR *dirp; 778511b41d2SMark Murray struct dirent *dp; 779511b41d2SMark Murray char *last, *vect[1], path[1100]; 780511b41d2SMark Murray 781511b41d2SMark Murray if (!(dirp = opendir(name))) { 782511b41d2SMark Murray run_err("%s: %s", name, strerror(errno)); 783511b41d2SMark Murray return; 784511b41d2SMark Murray } 785511b41d2SMark Murray last = strrchr(name, '/'); 786511b41d2SMark Murray if (last == 0) 787511b41d2SMark Murray last = name; 788511b41d2SMark Murray else 789511b41d2SMark Murray last++; 790511b41d2SMark Murray if (pflag) { 7911e8db6e2SBrian Feldman (void) snprintf(path, sizeof(path), "T%lu 0 %lu 0\n", 7921e8db6e2SBrian Feldman (u_long) statp->st_mtime, 7931e8db6e2SBrian Feldman (u_long) statp->st_atime); 794cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, path, strlen(path)); 795511b41d2SMark Murray if (response() < 0) { 796511b41d2SMark Murray closedir(dirp); 797511b41d2SMark Murray return; 798511b41d2SMark Murray } 799511b41d2SMark Murray } 8001e8db6e2SBrian Feldman (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", 8011e8db6e2SBrian Feldman (u_int) (statp->st_mode & FILEMODEMASK), 0, last); 802511b41d2SMark Murray if (verbose_mode) 803511b41d2SMark Murray fprintf(stderr, "Entering directory: %s", path); 804cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, path, strlen(path)); 805511b41d2SMark Murray if (response() < 0) { 806511b41d2SMark Murray closedir(dirp); 807511b41d2SMark Murray return; 808511b41d2SMark Murray } 8091e8db6e2SBrian Feldman while ((dp = readdir(dirp)) != NULL) { 810511b41d2SMark Murray if (dp->d_ino == 0) 811511b41d2SMark Murray continue; 812511b41d2SMark Murray if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) 813511b41d2SMark Murray continue; 814511b41d2SMark Murray if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { 815511b41d2SMark Murray run_err("%s/%s: name too long", name, dp->d_name); 816511b41d2SMark Murray continue; 817511b41d2SMark Murray } 8181e8db6e2SBrian Feldman (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); 819511b41d2SMark Murray vect[0] = path; 820511b41d2SMark Murray source(1, vect); 821511b41d2SMark Murray } 822511b41d2SMark Murray (void) closedir(dirp); 823cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "E\n", 2); 824511b41d2SMark Murray (void) response(); 825511b41d2SMark Murray } 826511b41d2SMark Murray 827511b41d2SMark Murray void 828e73e9afaSDag-Erling Smørgrav bwlimit(int amount) 829e73e9afaSDag-Erling Smørgrav { 830e73e9afaSDag-Erling Smørgrav static struct timeval bwstart, bwend; 831e73e9afaSDag-Erling Smørgrav static int lamt, thresh = 16384; 83221e764dfSDag-Erling Smørgrav u_int64_t waitlen; 833e73e9afaSDag-Erling Smørgrav struct timespec ts, rm; 834e73e9afaSDag-Erling Smørgrav 835e73e9afaSDag-Erling Smørgrav if (!timerisset(&bwstart)) { 836e73e9afaSDag-Erling Smørgrav gettimeofday(&bwstart, NULL); 837e73e9afaSDag-Erling Smørgrav return; 838e73e9afaSDag-Erling Smørgrav } 839e73e9afaSDag-Erling Smørgrav 840e73e9afaSDag-Erling Smørgrav lamt += amount; 841e73e9afaSDag-Erling Smørgrav if (lamt < thresh) 842e73e9afaSDag-Erling Smørgrav return; 843e73e9afaSDag-Erling Smørgrav 844e73e9afaSDag-Erling Smørgrav gettimeofday(&bwend, NULL); 845e73e9afaSDag-Erling Smørgrav timersub(&bwend, &bwstart, &bwend); 846e73e9afaSDag-Erling Smørgrav if (!timerisset(&bwend)) 847e73e9afaSDag-Erling Smørgrav return; 848e73e9afaSDag-Erling Smørgrav 849e73e9afaSDag-Erling Smørgrav lamt *= 8; 85021e764dfSDag-Erling Smørgrav waitlen = (double)1000000L * lamt / limit_rate; 851e73e9afaSDag-Erling Smørgrav 85221e764dfSDag-Erling Smørgrav bwstart.tv_sec = waitlen / 1000000L; 85321e764dfSDag-Erling Smørgrav bwstart.tv_usec = waitlen % 1000000L; 854e73e9afaSDag-Erling Smørgrav 855e73e9afaSDag-Erling Smørgrav if (timercmp(&bwstart, &bwend, >)) { 856e73e9afaSDag-Erling Smørgrav timersub(&bwstart, &bwend, &bwend); 857e73e9afaSDag-Erling Smørgrav 858e73e9afaSDag-Erling Smørgrav /* Adjust the wait time */ 859e73e9afaSDag-Erling Smørgrav if (bwend.tv_sec) { 860e73e9afaSDag-Erling Smørgrav thresh /= 2; 861e73e9afaSDag-Erling Smørgrav if (thresh < 2048) 862e73e9afaSDag-Erling Smørgrav thresh = 2048; 863d4af9e69SDag-Erling Smørgrav } else if (bwend.tv_usec < 10000) { 864e73e9afaSDag-Erling Smørgrav thresh *= 2; 865d4af9e69SDag-Erling Smørgrav if (thresh > COPY_BUFLEN * 4) 866d4af9e69SDag-Erling Smørgrav thresh = COPY_BUFLEN * 4; 867e73e9afaSDag-Erling Smørgrav } 868e73e9afaSDag-Erling Smørgrav 869e73e9afaSDag-Erling Smørgrav TIMEVAL_TO_TIMESPEC(&bwend, &ts); 870e73e9afaSDag-Erling Smørgrav while (nanosleep(&ts, &rm) == -1) { 871e73e9afaSDag-Erling Smørgrav if (errno != EINTR) 872e73e9afaSDag-Erling Smørgrav break; 873e73e9afaSDag-Erling Smørgrav ts = rm; 874e73e9afaSDag-Erling Smørgrav } 875e73e9afaSDag-Erling Smørgrav } 876e73e9afaSDag-Erling Smørgrav 877e73e9afaSDag-Erling Smørgrav lamt = 0; 878e73e9afaSDag-Erling Smørgrav gettimeofday(&bwstart, NULL); 879e73e9afaSDag-Erling Smørgrav } 880e73e9afaSDag-Erling Smørgrav 881e73e9afaSDag-Erling Smørgrav void 882cf2b5f3bSDag-Erling Smørgrav sink(int argc, char **argv) 883511b41d2SMark Murray { 884511b41d2SMark Murray static BUF buffer; 885511b41d2SMark Murray struct stat stb; 886511b41d2SMark Murray enum { 887511b41d2SMark Murray YES, NO, DISPLAYED 888511b41d2SMark Murray } wrerr; 889511b41d2SMark Murray BUF *bp; 890d4ecd108SDag-Erling Smørgrav off_t i; 891d4ecd108SDag-Erling Smørgrav size_t j, count; 892333ee039SDag-Erling Smørgrav int amt, exists, first, ofd; 893333ee039SDag-Erling Smørgrav mode_t mode, omode, mask; 894e73e9afaSDag-Erling Smørgrav off_t size, statbytes; 895b66f2d16SKris Kennaway int setimes, targisdir, wrerrno = 0; 896511b41d2SMark Murray char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; 8975b9b2fafSBrian Feldman struct timeval tv[2]; 898511b41d2SMark Murray 8991e8db6e2SBrian Feldman #define atime tv[0] 9001e8db6e2SBrian Feldman #define mtime tv[1] 901aa49c926SDag-Erling Smørgrav #define SCREWUP(str) { why = str; goto screwup; } 902511b41d2SMark Murray 903511b41d2SMark Murray setimes = targisdir = 0; 904511b41d2SMark Murray mask = umask(0); 905511b41d2SMark Murray if (!pflag) 906511b41d2SMark Murray (void) umask(mask); 907511b41d2SMark Murray if (argc != 1) { 908511b41d2SMark Murray run_err("ambiguous target"); 909511b41d2SMark Murray exit(1); 910511b41d2SMark Murray } 911511b41d2SMark Murray targ = *argv; 912511b41d2SMark Murray if (targetshouldbedirectory) 913511b41d2SMark Murray verifydir(targ); 914511b41d2SMark Murray 915cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 916511b41d2SMark Murray if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) 917511b41d2SMark Murray targisdir = 1; 918511b41d2SMark Murray for (first = 1;; first = 0) { 919511b41d2SMark Murray cp = buf; 920d4ecd108SDag-Erling Smørgrav if (atomicio(read, remin, cp, 1) != 1) 921511b41d2SMark Murray return; 922511b41d2SMark Murray if (*cp++ == '\n') 923511b41d2SMark Murray SCREWUP("unexpected <newline>"); 924511b41d2SMark Murray do { 925a04a10f8SKris Kennaway if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) 926511b41d2SMark Murray SCREWUP("lost connection"); 927511b41d2SMark Murray *cp++ = ch; 928511b41d2SMark Murray } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); 929511b41d2SMark Murray *cp = 0; 93021e764dfSDag-Erling Smørgrav if (verbose_mode) 93121e764dfSDag-Erling Smørgrav fprintf(stderr, "Sink: %s", buf); 932511b41d2SMark Murray 933511b41d2SMark Murray if (buf[0] == '\01' || buf[0] == '\02') { 934511b41d2SMark Murray if (iamremote == 0) 935cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, STDERR_FILENO, 936511b41d2SMark Murray buf + 1, strlen(buf + 1)); 937511b41d2SMark Murray if (buf[0] == '\02') 938511b41d2SMark Murray exit(1); 939511b41d2SMark Murray ++errs; 940511b41d2SMark Murray continue; 941511b41d2SMark Murray } 942511b41d2SMark Murray if (buf[0] == 'E') { 943cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 944511b41d2SMark Murray return; 945511b41d2SMark Murray } 946511b41d2SMark Murray if (ch == '\n') 947511b41d2SMark Murray *--cp = 0; 948511b41d2SMark Murray 949511b41d2SMark Murray cp = buf; 950511b41d2SMark Murray if (*cp == 'T') { 951511b41d2SMark Murray setimes++; 952511b41d2SMark Murray cp++; 9531e8db6e2SBrian Feldman mtime.tv_sec = strtol(cp, &cp, 10); 9541e8db6e2SBrian Feldman if (!cp || *cp++ != ' ') 955511b41d2SMark Murray SCREWUP("mtime.sec not delimited"); 9561e8db6e2SBrian Feldman mtime.tv_usec = strtol(cp, &cp, 10); 9571e8db6e2SBrian Feldman if (!cp || *cp++ != ' ') 958511b41d2SMark Murray SCREWUP("mtime.usec not delimited"); 9591e8db6e2SBrian Feldman atime.tv_sec = strtol(cp, &cp, 10); 9601e8db6e2SBrian Feldman if (!cp || *cp++ != ' ') 961511b41d2SMark Murray SCREWUP("atime.sec not delimited"); 9621e8db6e2SBrian Feldman atime.tv_usec = strtol(cp, &cp, 10); 9631e8db6e2SBrian Feldman if (!cp || *cp++ != '\0') 964511b41d2SMark Murray SCREWUP("atime.usec not delimited"); 965cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 966511b41d2SMark Murray continue; 967511b41d2SMark Murray } 968511b41d2SMark Murray if (*cp != 'C' && *cp != 'D') { 969511b41d2SMark Murray /* 970511b41d2SMark Murray * Check for the case "rcp remote:foo\* local:bar". 971511b41d2SMark Murray * In this case, the line "No match." can be returned 972511b41d2SMark Murray * by the shell before the rcp command on the remote is 973511b41d2SMark Murray * executed so the ^Aerror_message convention isn't 974511b41d2SMark Murray * followed. 975511b41d2SMark Murray */ 976511b41d2SMark Murray if (first) { 977511b41d2SMark Murray run_err("%s", cp); 978511b41d2SMark Murray exit(1); 979511b41d2SMark Murray } 980511b41d2SMark Murray SCREWUP("expected control record"); 981511b41d2SMark Murray } 982511b41d2SMark Murray mode = 0; 983511b41d2SMark Murray for (++cp; cp < buf + 5; cp++) { 984511b41d2SMark Murray if (*cp < '0' || *cp > '7') 985511b41d2SMark Murray SCREWUP("bad mode"); 986511b41d2SMark Murray mode = (mode << 3) | (*cp - '0'); 987511b41d2SMark Murray } 988511b41d2SMark Murray if (*cp++ != ' ') 989511b41d2SMark Murray SCREWUP("mode not delimited"); 990511b41d2SMark Murray 9911e8db6e2SBrian Feldman for (size = 0; isdigit(*cp);) 992511b41d2SMark Murray size = size * 10 + (*cp++ - '0'); 993511b41d2SMark Murray if (*cp++ != ' ') 994511b41d2SMark Murray SCREWUP("size not delimited"); 99521e764dfSDag-Erling Smørgrav if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) { 99621e764dfSDag-Erling Smørgrav run_err("error: unexpected filename: %s", cp); 99721e764dfSDag-Erling Smørgrav exit(1); 99821e764dfSDag-Erling Smørgrav } 999511b41d2SMark Murray if (targisdir) { 1000511b41d2SMark Murray static char *namebuf; 1001d4ecd108SDag-Erling Smørgrav static size_t cursize; 1002511b41d2SMark Murray size_t need; 1003511b41d2SMark Murray 1004511b41d2SMark Murray need = strlen(targ) + strlen(cp) + 250; 10051e8db6e2SBrian Feldman if (need > cursize) { 10061e8db6e2SBrian Feldman if (namebuf) 10071e8db6e2SBrian Feldman xfree(namebuf); 1008511b41d2SMark Murray namebuf = xmalloc(need); 10091e8db6e2SBrian Feldman cursize = need; 10101e8db6e2SBrian Feldman } 10111e8db6e2SBrian Feldman (void) snprintf(namebuf, need, "%s%s%s", targ, 1012545d5ecaSDag-Erling Smørgrav strcmp(targ, "/") ? "/" : "", cp); 1013511b41d2SMark Murray np = namebuf; 1014511b41d2SMark Murray } else 1015511b41d2SMark Murray np = targ; 1016511b41d2SMark Murray curfile = cp; 1017511b41d2SMark Murray exists = stat(np, &stb) == 0; 1018511b41d2SMark Murray if (buf[0] == 'D') { 1019511b41d2SMark Murray int mod_flag = pflag; 102021e764dfSDag-Erling Smørgrav if (!iamrecursive) 102121e764dfSDag-Erling Smørgrav SCREWUP("received directory without -r"); 1022511b41d2SMark Murray if (exists) { 1023511b41d2SMark Murray if (!S_ISDIR(stb.st_mode)) { 1024511b41d2SMark Murray errno = ENOTDIR; 1025511b41d2SMark Murray goto bad; 1026511b41d2SMark Murray } 1027511b41d2SMark Murray if (pflag) 1028511b41d2SMark Murray (void) chmod(np, mode); 1029511b41d2SMark Murray } else { 1030511b41d2SMark Murray /* Handle copying from a read-only 1031511b41d2SMark Murray directory */ 1032511b41d2SMark Murray mod_flag = 1; 1033511b41d2SMark Murray if (mkdir(np, mode | S_IRWXU) < 0) 1034511b41d2SMark Murray goto bad; 1035511b41d2SMark Murray } 10361e8db6e2SBrian Feldman vect[0] = xstrdup(np); 1037511b41d2SMark Murray sink(1, vect); 1038511b41d2SMark Murray if (setimes) { 1039511b41d2SMark Murray setimes = 0; 10401e8db6e2SBrian Feldman if (utimes(vect[0], tv) < 0) 1041511b41d2SMark Murray run_err("%s: set times: %s", 10421e8db6e2SBrian Feldman vect[0], strerror(errno)); 1043511b41d2SMark Murray } 1044511b41d2SMark Murray if (mod_flag) 10451e8db6e2SBrian Feldman (void) chmod(vect[0], mode); 10461e8db6e2SBrian Feldman if (vect[0]) 10471e8db6e2SBrian Feldman xfree(vect[0]); 1048511b41d2SMark Murray continue; 1049511b41d2SMark Murray } 1050511b41d2SMark Murray omode = mode; 1051511b41d2SMark Murray mode |= S_IWRITE; 1052ae1f160dSDag-Erling Smørgrav if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { 1053511b41d2SMark Murray bad: run_err("%s: %s", np, strerror(errno)); 1054511b41d2SMark Murray continue; 1055511b41d2SMark Murray } 1056cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 1057d4af9e69SDag-Erling Smørgrav if ((bp = allocbuf(&buffer, ofd, COPY_BUFLEN)) == NULL) { 1058511b41d2SMark Murray (void) close(ofd); 1059511b41d2SMark Murray continue; 1060511b41d2SMark Murray } 1061511b41d2SMark Murray cp = bp->buf; 1062511b41d2SMark Murray wrerr = NO; 1063511b41d2SMark Murray 1064511b41d2SMark Murray statbytes = 0; 1065e73e9afaSDag-Erling Smørgrav if (showprogress) 1066e73e9afaSDag-Erling Smørgrav start_progress_meter(curfile, size, &statbytes); 1067d4af9e69SDag-Erling Smørgrav set_nonblock(remin); 1068d4af9e69SDag-Erling Smørgrav for (count = i = 0; i < size; i += bp->cnt) { 1069d4af9e69SDag-Erling Smørgrav amt = bp->cnt; 1070511b41d2SMark Murray if (i + amt > size) 1071511b41d2SMark Murray amt = size - i; 1072511b41d2SMark Murray count += amt; 1073511b41d2SMark Murray do { 1074d4af9e69SDag-Erling Smørgrav j = scpio(read, remin, cp, amt, &statbytes); 1075d4ecd108SDag-Erling Smørgrav if (j == 0) { 1076d4af9e69SDag-Erling Smørgrav run_err("%s", j != EPIPE ? 1077d4af9e69SDag-Erling Smørgrav strerror(errno) : 1078511b41d2SMark Murray "dropped connection"); 1079511b41d2SMark Murray exit(1); 1080511b41d2SMark Murray } 1081511b41d2SMark Murray amt -= j; 1082511b41d2SMark Murray cp += j; 1083511b41d2SMark Murray } while (amt > 0); 1084e73e9afaSDag-Erling Smørgrav 1085511b41d2SMark Murray if (count == bp->cnt) { 1086511b41d2SMark Murray /* Keep reading so we stay sync'd up. */ 1087511b41d2SMark Murray if (wrerr == NO) { 1088d4ecd108SDag-Erling Smørgrav if (atomicio(vwrite, ofd, bp->buf, 1089d4ecd108SDag-Erling Smørgrav count) != count) { 1090511b41d2SMark Murray wrerr = YES; 1091d4ecd108SDag-Erling Smørgrav wrerrno = errno; 1092511b41d2SMark Murray } 1093511b41d2SMark Murray } 1094511b41d2SMark Murray count = 0; 1095511b41d2SMark Murray cp = bp->buf; 1096511b41d2SMark Murray } 1097511b41d2SMark Murray } 1098d4af9e69SDag-Erling Smørgrav unset_nonblock(remin); 1099511b41d2SMark Murray if (showprogress) 1100e73e9afaSDag-Erling Smørgrav stop_progress_meter(); 1101511b41d2SMark Murray if (count != 0 && wrerr == NO && 1102d4ecd108SDag-Erling Smørgrav atomicio(vwrite, ofd, bp->buf, count) != count) { 1103511b41d2SMark Murray wrerr = YES; 1104d4ecd108SDag-Erling Smørgrav wrerrno = errno; 1105511b41d2SMark Murray } 1106d4af9e69SDag-Erling Smørgrav if (wrerr == NO && (!exists || S_ISREG(stb.st_mode)) && 1107d4af9e69SDag-Erling Smørgrav ftruncate(ofd, size) != 0) { 1108511b41d2SMark Murray run_err("%s: truncate: %s", np, strerror(errno)); 1109511b41d2SMark Murray wrerr = DISPLAYED; 1110511b41d2SMark Murray } 1111511b41d2SMark Murray if (pflag) { 1112511b41d2SMark Murray if (exists || omode != mode) 111383d2307dSDag-Erling Smørgrav #ifdef HAVE_FCHMOD 111421e764dfSDag-Erling Smørgrav if (fchmod(ofd, omode)) { 111583d2307dSDag-Erling Smørgrav #else /* HAVE_FCHMOD */ 111621e764dfSDag-Erling Smørgrav if (chmod(np, omode)) { 111783d2307dSDag-Erling Smørgrav #endif /* HAVE_FCHMOD */ 1118511b41d2SMark Murray run_err("%s: set mode: %s", 1119511b41d2SMark Murray np, strerror(errno)); 112021e764dfSDag-Erling Smørgrav wrerr = DISPLAYED; 112121e764dfSDag-Erling Smørgrav } 1122511b41d2SMark Murray } else { 1123511b41d2SMark Murray if (!exists && omode != mode) 112483d2307dSDag-Erling Smørgrav #ifdef HAVE_FCHMOD 112521e764dfSDag-Erling Smørgrav if (fchmod(ofd, omode & ~mask)) { 112683d2307dSDag-Erling Smørgrav #else /* HAVE_FCHMOD */ 112721e764dfSDag-Erling Smørgrav if (chmod(np, omode & ~mask)) { 112883d2307dSDag-Erling Smørgrav #endif /* HAVE_FCHMOD */ 1129511b41d2SMark Murray run_err("%s: set mode: %s", 1130511b41d2SMark Murray np, strerror(errno)); 113121e764dfSDag-Erling Smørgrav wrerr = DISPLAYED; 113221e764dfSDag-Erling Smørgrav } 1133511b41d2SMark Murray } 1134b66f2d16SKris Kennaway if (close(ofd) == -1) { 1135b66f2d16SKris Kennaway wrerr = YES; 1136b66f2d16SKris Kennaway wrerrno = errno; 1137b66f2d16SKris Kennaway } 1138511b41d2SMark Murray (void) response(); 1139511b41d2SMark Murray if (setimes && wrerr == NO) { 1140511b41d2SMark Murray setimes = 0; 11415b9b2fafSBrian Feldman if (utimes(np, tv) < 0) { 1142511b41d2SMark Murray run_err("%s: set times: %s", 1143511b41d2SMark Murray np, strerror(errno)); 1144511b41d2SMark Murray wrerr = DISPLAYED; 1145511b41d2SMark Murray } 1146511b41d2SMark Murray } 1147511b41d2SMark Murray switch (wrerr) { 1148511b41d2SMark Murray case YES: 1149511b41d2SMark Murray run_err("%s: %s", np, strerror(wrerrno)); 1150511b41d2SMark Murray break; 1151511b41d2SMark Murray case NO: 1152cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, remout, "", 1); 1153511b41d2SMark Murray break; 1154511b41d2SMark Murray case DISPLAYED: 1155511b41d2SMark Murray break; 1156511b41d2SMark Murray } 1157511b41d2SMark Murray } 1158511b41d2SMark Murray screwup: 1159511b41d2SMark Murray run_err("protocol error: %s", why); 1160511b41d2SMark Murray exit(1); 1161511b41d2SMark Murray } 1162511b41d2SMark Murray 1163511b41d2SMark Murray int 1164ae1f160dSDag-Erling Smørgrav response(void) 1165511b41d2SMark Murray { 1166511b41d2SMark Murray char ch, *cp, resp, rbuf[2048]; 1167511b41d2SMark Murray 1168a04a10f8SKris Kennaway if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) 1169511b41d2SMark Murray lostconn(0); 1170511b41d2SMark Murray 1171511b41d2SMark Murray cp = rbuf; 1172511b41d2SMark Murray switch (resp) { 1173511b41d2SMark Murray case 0: /* ok */ 1174511b41d2SMark Murray return (0); 1175511b41d2SMark Murray default: 1176511b41d2SMark Murray *cp++ = resp; 1177511b41d2SMark Murray /* FALLTHROUGH */ 1178511b41d2SMark Murray case 1: /* error, followed by error msg */ 1179511b41d2SMark Murray case 2: /* fatal error, "" */ 1180511b41d2SMark Murray do { 1181a04a10f8SKris Kennaway if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) 1182511b41d2SMark Murray lostconn(0); 1183511b41d2SMark Murray *cp++ = ch; 1184511b41d2SMark Murray } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); 1185511b41d2SMark Murray 1186511b41d2SMark Murray if (!iamremote) 1187cf2b5f3bSDag-Erling Smørgrav (void) atomicio(vwrite, STDERR_FILENO, rbuf, cp - rbuf); 1188511b41d2SMark Murray ++errs; 1189511b41d2SMark Murray if (resp == 1) 1190511b41d2SMark Murray return (-1); 1191511b41d2SMark Murray exit(1); 1192511b41d2SMark Murray } 1193511b41d2SMark Murray /* NOTREACHED */ 1194511b41d2SMark Murray } 1195511b41d2SMark Murray 1196511b41d2SMark Murray void 1197ae1f160dSDag-Erling Smørgrav usage(void) 1198511b41d2SMark Murray { 1199ae1f160dSDag-Erling Smørgrav (void) fprintf(stderr, 12001ec0d754SDag-Erling Smørgrav "usage: scp [-1246BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]\n" 12011ec0d754SDag-Erling Smørgrav " [-l limit] [-o ssh_option] [-P port] [-S program]\n" 1202d4af9e69SDag-Erling Smørgrav " [[user@]host1:]file1 ... [[user@]host2:]file2\n"); 1203511b41d2SMark Murray exit(1); 1204511b41d2SMark Murray } 1205511b41d2SMark Murray 1206511b41d2SMark Murray void 1207511b41d2SMark Murray run_err(const char *fmt,...) 1208511b41d2SMark Murray { 1209511b41d2SMark Murray static FILE *fp; 1210511b41d2SMark Murray va_list ap; 1211511b41d2SMark Murray 1212511b41d2SMark Murray ++errs; 1213333ee039SDag-Erling Smørgrav if (fp != NULL || (remout != -1 && (fp = fdopen(remout, "w")))) { 1214511b41d2SMark Murray (void) fprintf(fp, "%c", 0x01); 1215511b41d2SMark Murray (void) fprintf(fp, "scp: "); 1216ae1f160dSDag-Erling Smørgrav va_start(ap, fmt); 1217511b41d2SMark Murray (void) vfprintf(fp, fmt, ap); 1218ae1f160dSDag-Erling Smørgrav va_end(ap); 1219511b41d2SMark Murray (void) fprintf(fp, "\n"); 1220511b41d2SMark Murray (void) fflush(fp); 1221333ee039SDag-Erling Smørgrav } 1222511b41d2SMark Murray 1223511b41d2SMark Murray if (!iamremote) { 1224ae1f160dSDag-Erling Smørgrav va_start(ap, fmt); 1225511b41d2SMark Murray vfprintf(stderr, fmt, ap); 1226ae1f160dSDag-Erling Smørgrav va_end(ap); 1227511b41d2SMark Murray fprintf(stderr, "\n"); 1228511b41d2SMark Murray } 1229511b41d2SMark Murray } 1230511b41d2SMark Murray 1231511b41d2SMark Murray void 1232cf2b5f3bSDag-Erling Smørgrav verifydir(char *cp) 1233511b41d2SMark Murray { 1234511b41d2SMark Murray struct stat stb; 1235511b41d2SMark Murray 1236511b41d2SMark Murray if (!stat(cp, &stb)) { 1237511b41d2SMark Murray if (S_ISDIR(stb.st_mode)) 1238511b41d2SMark Murray return; 1239511b41d2SMark Murray errno = ENOTDIR; 1240511b41d2SMark Murray } 1241511b41d2SMark Murray run_err("%s: %s", cp, strerror(errno)); 1242d4ecd108SDag-Erling Smørgrav killchild(0); 1243511b41d2SMark Murray } 1244511b41d2SMark Murray 1245511b41d2SMark Murray int 1246cf2b5f3bSDag-Erling Smørgrav okname(char *cp0) 1247511b41d2SMark Murray { 1248511b41d2SMark Murray int c; 1249511b41d2SMark Murray char *cp; 1250511b41d2SMark Murray 1251511b41d2SMark Murray cp = cp0; 1252511b41d2SMark Murray do { 1253ae1f160dSDag-Erling Smørgrav c = (int)*cp; 1254511b41d2SMark Murray if (c & 0200) 1255511b41d2SMark Murray goto bad; 1256e73e9afaSDag-Erling Smørgrav if (!isalpha(c) && !isdigit(c)) { 1257e73e9afaSDag-Erling Smørgrav switch (c) { 1258e73e9afaSDag-Erling Smørgrav case '\'': 1259e73e9afaSDag-Erling Smørgrav case '"': 1260e73e9afaSDag-Erling Smørgrav case '`': 1261e73e9afaSDag-Erling Smørgrav case ' ': 1262e73e9afaSDag-Erling Smørgrav case '#': 1263511b41d2SMark Murray goto bad; 1264e73e9afaSDag-Erling Smørgrav default: 1265e73e9afaSDag-Erling Smørgrav break; 1266e73e9afaSDag-Erling Smørgrav } 1267e73e9afaSDag-Erling Smørgrav } 1268511b41d2SMark Murray } while (*++cp); 1269511b41d2SMark Murray return (1); 1270511b41d2SMark Murray 1271511b41d2SMark Murray bad: fprintf(stderr, "%s: invalid user name\n", cp0); 1272511b41d2SMark Murray return (0); 1273511b41d2SMark Murray } 1274511b41d2SMark Murray 1275511b41d2SMark Murray BUF * 1276cf2b5f3bSDag-Erling Smørgrav allocbuf(BUF *bp, int fd, int blksize) 1277511b41d2SMark Murray { 1278511b41d2SMark Murray size_t size; 127983d2307dSDag-Erling Smørgrav #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE 1280511b41d2SMark Murray struct stat stb; 1281511b41d2SMark Murray 1282511b41d2SMark Murray if (fstat(fd, &stb) < 0) { 1283511b41d2SMark Murray run_err("fstat: %s", strerror(errno)); 1284511b41d2SMark Murray return (0); 1285511b41d2SMark Murray } 1286b6fd52a0SDag-Erling Smørgrav size = roundup(stb.st_blksize, blksize); 1287e73e9afaSDag-Erling Smørgrav if (size == 0) 1288e73e9afaSDag-Erling Smørgrav size = blksize; 128983d2307dSDag-Erling Smørgrav #else /* HAVE_STRUCT_STAT_ST_BLKSIZE */ 129083d2307dSDag-Erling Smørgrav size = blksize; 129183d2307dSDag-Erling Smørgrav #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ 1292511b41d2SMark Murray if (bp->cnt >= size) 1293511b41d2SMark Murray return (bp); 1294511b41d2SMark Murray if (bp->buf == NULL) 1295511b41d2SMark Murray bp->buf = xmalloc(size); 1296511b41d2SMark Murray else 1297333ee039SDag-Erling Smørgrav bp->buf = xrealloc(bp->buf, 1, size); 1298ae1f160dSDag-Erling Smørgrav memset(bp->buf, 0, size); 1299511b41d2SMark Murray bp->cnt = size; 1300511b41d2SMark Murray return (bp); 1301511b41d2SMark Murray } 1302511b41d2SMark Murray 1303511b41d2SMark Murray void 1304cf2b5f3bSDag-Erling Smørgrav lostconn(int signo) 1305511b41d2SMark Murray { 1306511b41d2SMark Murray if (!iamremote) 1307ae1f160dSDag-Erling Smørgrav write(STDERR_FILENO, "lost connection\n", 16); 1308ae1f160dSDag-Erling Smørgrav if (signo) 1309ae1f160dSDag-Erling Smørgrav _exit(1); 1310ae1f160dSDag-Erling Smørgrav else 1311511b41d2SMark Murray exit(1); 1312511b41d2SMark Murray } 1313