Annotation of src/usr.bin/ssh/sftp.c, Revision 1.220
1.220 ! djm 1: /* $OpenBSD: sftp.c,v 1.219 2022/09/16 03:13:34 djm Exp $ */
1.1 djm 2: /*
1.42 djm 3: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 4: *
1.42 djm 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 djm 8: *
1.42 djm 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 16: */
17:
1.91 deraadt 18: #include <sys/types.h>
1.72 stevesk 19: #include <sys/ioctl.h>
1.73 stevesk 20: #include <sys/wait.h>
1.75 stevesk 21: #include <sys/stat.h>
1.83 stevesk 22: #include <sys/socket.h>
1.100 djm 23: #include <sys/statvfs.h>
1.44 djm 24:
1.97 djm 25: #include <ctype.h>
1.85 stevesk 26: #include <errno.h>
1.44 djm 27: #include <glob.h>
1.57 djm 28: #include <histedit.h>
1.71 stevesk 29: #include <paths.h>
1.111 djm 30: #include <libgen.h>
1.146 dtucker 31: #include <locale.h>
1.74 stevesk 32: #include <signal.h>
1.174 schwarze 33: #include <stdarg.h>
1.89 stevesk 34: #include <stdlib.h>
1.90 stevesk 35: #include <stdio.h>
1.87 stevesk 36: #include <string.h>
1.86 stevesk 37: #include <unistd.h>
1.170 deraadt 38: #include <limits.h>
1.100 djm 39: #include <util.h>
1.1 djm 40:
41: #include "xmalloc.h"
42: #include "log.h"
43: #include "pathnames.h"
1.16 mouring 44: #include "misc.h"
1.174 schwarze 45: #include "utf8.h"
1.1 djm 46:
47: #include "sftp.h"
1.169 djm 48: #include "ssherr.h"
49: #include "sshbuf.h"
1.1 djm 50: #include "sftp-common.h"
51: #include "sftp-client.h"
1.43 djm 52:
1.44 djm 53: /* File to read commands from */
54: FILE* infile;
1.15 mouring 55:
1.44 djm 56: /* Are we in batchfile mode? */
1.39 djm 57: int batchmode = 0;
1.44 djm 58:
59: /* PID of ssh transport process */
1.185 bluhm 60: static volatile pid_t sshpid = -1;
1.7 markus 61:
1.209 djm 62: /* Suppress diagnostic messages */
1.143 djm 63: int quiet = 0;
64:
1.44 djm 65: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 66: int showprogress = 1;
1.44 djm 67:
1.111 djm 68: /* When this option is set, we always recursively download/upload directories */
69: int global_rflag = 0;
70:
1.159 logan 71: /* When this option is set, we resume download or upload if possible */
1.148 djm 72: int global_aflag = 0;
73:
1.111 djm 74: /* When this option is set, the file transfers will always preserve times */
75: int global_pflag = 0;
76:
1.156 djm 77: /* When this option is set, transfers will have fsync() called on each file */
78: int global_fflag = 0;
79:
1.46 djm 80: /* SIGINT received during command processing */
81: volatile sig_atomic_t interrupted = 0;
82:
1.52 djm 83: /* I wish qsort() took a separate ctx for the comparison function...*/
84: int sort_flag;
1.180 djm 85: glob_t *sort_glob;
1.52 djm 86:
1.116 djm 87: /* Context used for commandline completion */
88: struct complete_ctx {
89: struct sftp_conn *conn;
90: char **remote_pathp;
91: };
92:
1.44 djm 93: int remote_glob(struct sftp_conn *, const char *, int,
94: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
95:
96: /* Separators for interactive commands */
97: #define WHITESPACE " \t\r\n"
98:
1.52 djm 99: /* ls flags */
1.119 djm 100: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
101: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
102: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
103: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
104: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
105: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
106: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
107: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
108: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 109:
1.119 djm 110: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 111: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 112:
113: /* Commands for interactive mode */
1.149 djm 114: enum sftp_command {
115: I_CHDIR = 1,
116: I_CHGRP,
117: I_CHMOD,
118: I_CHOWN,
1.214 djm 119: I_COPY,
1.149 djm 120: I_DF,
121: I_GET,
122: I_HELP,
123: I_LCHDIR,
124: I_LINK,
125: I_LLS,
126: I_LMKDIR,
127: I_LPWD,
128: I_LS,
129: I_LUMASK,
130: I_MKDIR,
131: I_PUT,
132: I_PWD,
133: I_QUIT,
1.160 logan 134: I_REGET,
1.149 djm 135: I_RENAME,
1.160 logan 136: I_REPUT,
1.149 djm 137: I_RM,
138: I_RMDIR,
139: I_SHELL,
140: I_SYMLINK,
141: I_VERSION,
142: I_PROGRESS,
143: };
1.44 djm 144:
145: struct CMD {
146: const char *c;
147: const int n;
1.220 ! djm 148: const int t; /* Completion type for the first argument */
! 149: const int t2; /* completion type for the optional second argument */
1.44 djm 150: };
151:
1.116 djm 152: /* Type of completion */
153: #define NOARGS 0
154: #define REMOTE 1
155: #define LOCAL 2
156:
1.44 djm 157: static const struct CMD cmds[] = {
1.220 ! djm 158: { "bye", I_QUIT, NOARGS, NOARGS },
! 159: { "cd", I_CHDIR, REMOTE, NOARGS },
! 160: { "chdir", I_CHDIR, REMOTE, NOARGS },
! 161: { "chgrp", I_CHGRP, REMOTE, NOARGS },
! 162: { "chmod", I_CHMOD, REMOTE, NOARGS },
! 163: { "chown", I_CHOWN, REMOTE, NOARGS },
! 164: { "copy", I_COPY, REMOTE, LOCAL },
! 165: { "cp", I_COPY, REMOTE, LOCAL },
! 166: { "df", I_DF, REMOTE, NOARGS },
! 167: { "dir", I_LS, REMOTE, NOARGS },
! 168: { "exit", I_QUIT, NOARGS, NOARGS },
! 169: { "get", I_GET, REMOTE, LOCAL },
! 170: { "help", I_HELP, NOARGS, NOARGS },
! 171: { "lcd", I_LCHDIR, LOCAL, NOARGS },
! 172: { "lchdir", I_LCHDIR, LOCAL, NOARGS },
! 173: { "lls", I_LLS, LOCAL, NOARGS },
! 174: { "lmkdir", I_LMKDIR, LOCAL, NOARGS },
! 175: { "ln", I_LINK, REMOTE, REMOTE },
! 176: { "lpwd", I_LPWD, LOCAL, NOARGS },
! 177: { "ls", I_LS, REMOTE, NOARGS },
! 178: { "lumask", I_LUMASK, NOARGS, NOARGS },
! 179: { "mkdir", I_MKDIR, REMOTE, NOARGS },
! 180: { "mget", I_GET, REMOTE, LOCAL },
! 181: { "mput", I_PUT, LOCAL, REMOTE },
! 182: { "progress", I_PROGRESS, NOARGS, NOARGS },
! 183: { "put", I_PUT, LOCAL, REMOTE },
! 184: { "pwd", I_PWD, REMOTE, NOARGS },
! 185: { "quit", I_QUIT, NOARGS, NOARGS },
! 186: { "reget", I_REGET, REMOTE, LOCAL },
! 187: { "rename", I_RENAME, REMOTE, REMOTE },
! 188: { "reput", I_REPUT, LOCAL, REMOTE },
! 189: { "rm", I_RM, REMOTE, NOARGS },
! 190: { "rmdir", I_RMDIR, REMOTE, NOARGS },
! 191: { "symlink", I_SYMLINK, REMOTE, REMOTE },
! 192: { "version", I_VERSION, NOARGS, NOARGS },
! 193: { "!", I_SHELL, NOARGS, NOARGS },
! 194: { "?", I_HELP, NOARGS, NOARGS },
! 195: { NULL, -1, -1, -1 }
1.44 djm 196: };
197:
1.96 stevesk 198: /* ARGSUSED */
1.44 djm 199: static void
1.46 djm 200: killchild(int signo)
201: {
1.196 djm 202: pid_t pid;
203:
204: pid = sshpid;
205: if (pid > 1) {
206: kill(pid, SIGTERM);
207: waitpid(pid, NULL, 0);
1.61 dtucker 208: }
1.46 djm 209:
210: _exit(1);
211: }
212:
1.96 stevesk 213: /* ARGSUSED */
1.46 djm 214: static void
1.177 millert 215: suspchild(int signo)
216: {
217: if (sshpid > 1) {
218: kill(sshpid, signo);
219: while (waitpid(sshpid, NULL, WUNTRACED) == -1 && errno == EINTR)
220: continue;
221: }
222: kill(getpid(), SIGSTOP);
223: }
224:
225: /* ARGSUSED */
226: static void
1.46 djm 227: cmd_interrupt(int signo)
228: {
229: const char msg[] = "\rInterrupt \n";
1.59 djm 230: int olderrno = errno;
1.46 djm 231:
1.144 dtucker 232: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 233: interrupted = 1;
1.59 djm 234: errno = olderrno;
1.46 djm 235: }
236:
1.211 schwarze 237: /* ARGSUSED */
238: static void
239: read_interrupt(int signo)
240: {
241: interrupted = 1;
242: }
243:
1.184 djm 244: /*ARGSUSED*/
245: static void
246: sigchld_handler(int sig)
247: {
248: int save_errno = errno;
249: pid_t pid;
250: const char msg[] = "\rConnection closed. \n";
251:
252: /* Report if ssh transport process dies. */
253: while ((pid = waitpid(sshpid, NULL, WNOHANG)) == -1 && errno == EINTR)
254: continue;
1.185 bluhm 255: if (pid == sshpid) {
1.184 djm 256: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.185 bluhm 257: sshpid = -1;
258: }
1.184 djm 259:
260: errno = save_errno;
261: }
262:
1.46 djm 263: static void
1.44 djm 264: help(void)
265: {
1.106 sobrado 266: printf("Available commands:\n"
267: "bye Quit sftp\n"
268: "cd path Change remote directory to 'path'\n"
1.189 djm 269: "chgrp [-h] grp path Change group of file 'path' to 'grp'\n"
270: "chmod [-h] mode path Change permissions of file 'path' to 'mode'\n"
271: "chown [-h] own path Change owner of file 'path' to 'own'\n"
1.214 djm 272: "copy oldpath newpath Copy remote file\n"
273: "cp oldpath newpath Copy remote file\n"
1.106 sobrado 274: "df [-hi] [path] Display statistics for current directory or\n"
275: " filesystem containing 'path'\n"
276: "exit Quit sftp\n"
1.193 jmc 277: "get [-afpR] remote [local] Download file\n"
1.106 sobrado 278: "help Display this help text\n"
279: "lcd path Change local directory to 'path'\n"
280: "lls [ls-options [path]] Display local directory listing\n"
281: "lmkdir path Create local directory\n"
1.132 djm 282: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 283: "lpwd Print local working directory\n"
1.121 jmc 284: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 285: "lumask umask Set local umask to 'umask'\n"
286: "mkdir path Create remote directory\n"
287: "progress Toggle display of progress meter\n"
1.193 jmc 288: "put [-afpR] local [remote] Upload file\n"
1.106 sobrado 289: "pwd Display remote working directory\n"
290: "quit Quit sftp\n"
1.193 jmc 291: "reget [-fpR] remote [local] Resume download file\n"
1.106 sobrado 292: "rename oldpath newpath Rename remote file\n"
1.193 jmc 293: "reput [-fpR] local [remote] Resume upload file\n"
1.106 sobrado 294: "rm path Delete remote file\n"
295: "rmdir path Remove remote directory\n"
296: "symlink oldpath newpath Symlink remote file\n"
297: "version Show SFTP version\n"
298: "!command Execute 'command' in local shell\n"
299: "! Escape to local shell\n"
300: "? Synonym for help\n");
1.44 djm 301: }
302:
303: static void
304: local_do_shell(const char *args)
305: {
306: int status;
307: char *shell;
308: pid_t pid;
309:
310: if (!*args)
311: args = NULL;
312:
1.130 djm 313: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 314: shell = _PATH_BSHELL;
315:
316: if ((pid = fork()) == -1)
317: fatal("Couldn't fork: %s", strerror(errno));
318:
319: if (pid == 0) {
320: /* XXX: child has pipe fds to ssh subproc open - issue? */
321: if (args) {
322: debug3("Executing %s -c \"%s\"", shell, args);
323: execl(shell, shell, "-c", args, (char *)NULL);
324: } else {
325: debug3("Executing %s", shell);
326: execl(shell, shell, (char *)NULL);
327: }
328: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
329: strerror(errno));
330: _exit(1);
331: }
332: while (waitpid(pid, &status, 0) == -1)
333: if (errno != EINTR)
334: fatal("Couldn't wait for child: %s", strerror(errno));
335: if (!WIFEXITED(status))
1.78 djm 336: error("Shell exited abnormally");
1.44 djm 337: else if (WEXITSTATUS(status))
338: error("Shell exited with status %d", WEXITSTATUS(status));
339: }
340:
341: static void
342: local_do_ls(const char *args)
343: {
344: if (!args || !*args)
345: local_do_shell(_PATH_LS);
346: else {
347: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
348: char *buf = xmalloc(len);
349:
350: /* XXX: quoting - rip quoting code from ftp? */
351: snprintf(buf, len, _PATH_LS " %s", args);
352: local_do_shell(buf);
1.145 djm 353: free(buf);
1.44 djm 354: }
355: }
356:
357: /* Strip one path (usually the pwd) from the start of another */
358: static char *
1.175 djm 359: path_strip(const char *path, const char *strip)
1.44 djm 360: {
361: size_t len;
362:
363: if (strip == NULL)
364: return (xstrdup(path));
365:
366: len = strlen(strip);
1.59 djm 367: if (strncmp(path, strip, len) == 0) {
1.44 djm 368: if (strip[len - 1] != '/' && path[len] == '/')
369: len++;
370: return (xstrdup(path + len));
371: }
372:
373: return (xstrdup(path));
374: }
375:
376: static int
1.148 djm 377: parse_getput_flags(const char *cmd, char **argv, int argc,
1.156 djm 378: int *aflag, int *fflag, int *pflag, int *rflag)
1.44 djm 379: {
1.102 martynas 380: extern int opterr, optind, optopt, optreset;
1.97 djm 381: int ch;
1.44 djm 382:
1.97 djm 383: optind = optreset = 1;
384: opterr = 0;
385:
1.156 djm 386: *aflag = *fflag = *rflag = *pflag = 0;
387: while ((ch = getopt(argc, argv, "afPpRr")) != -1) {
1.97 djm 388: switch (ch) {
1.148 djm 389: case 'a':
390: *aflag = 1;
391: break;
1.156 djm 392: case 'f':
393: *fflag = 1;
394: break;
1.44 djm 395: case 'p':
396: case 'P':
397: *pflag = 1;
398: break;
1.111 djm 399: case 'r':
400: case 'R':
401: *rflag = 1;
402: break;
1.44 djm 403: default:
1.102 martynas 404: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 405: return -1;
1.44 djm 406: }
407: }
408:
1.97 djm 409: return optind;
1.44 djm 410: }
411:
412: static int
1.132 djm 413: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
414: {
415: extern int opterr, optind, optopt, optreset;
416: int ch;
417:
418: optind = optreset = 1;
419: opterr = 0;
420:
421: *sflag = 0;
422: while ((ch = getopt(argc, argv, "s")) != -1) {
423: switch (ch) {
424: case 's':
425: *sflag = 1;
426: break;
427: default:
428: error("%s: Invalid flag -%c", cmd, optopt);
429: return -1;
430: }
431: }
432:
433: return optind;
434: }
435:
436: static int
1.152 djm 437: parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag)
438: {
439: extern int opterr, optind, optopt, optreset;
440: int ch;
441:
442: optind = optreset = 1;
443: opterr = 0;
444:
445: *lflag = 0;
446: while ((ch = getopt(argc, argv, "l")) != -1) {
447: switch (ch) {
448: case 'l':
449: *lflag = 1;
450: break;
451: default:
452: error("%s: Invalid flag -%c", cmd, optopt);
453: return -1;
454: }
455: }
456:
457: return optind;
458: }
459:
460: static int
1.97 djm 461: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 462: {
1.102 martynas 463: extern int opterr, optind, optopt, optreset;
1.97 djm 464: int ch;
465:
466: optind = optreset = 1;
467: opterr = 0;
1.44 djm 468:
1.53 djm 469: *lflag = LS_NAME_SORT;
1.119 djm 470: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 471: switch (ch) {
472: case '1':
473: *lflag &= ~VIEW_FLAGS;
474: *lflag |= LS_SHORT_VIEW;
475: break;
476: case 'S':
477: *lflag &= ~SORT_FLAGS;
478: *lflag |= LS_SIZE_SORT;
479: break;
480: case 'a':
481: *lflag |= LS_SHOW_ALL;
482: break;
483: case 'f':
484: *lflag &= ~SORT_FLAGS;
485: break;
1.119 djm 486: case 'h':
487: *lflag |= LS_SI_UNITS;
488: break;
1.97 djm 489: case 'l':
1.119 djm 490: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 491: *lflag |= LS_LONG_VIEW;
492: break;
493: case 'n':
1.119 djm 494: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 495: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
496: break;
497: case 'r':
498: *lflag |= LS_REVERSE_SORT;
499: break;
500: case 't':
501: *lflag &= ~SORT_FLAGS;
502: *lflag |= LS_TIME_SORT;
503: break;
504: default:
1.102 martynas 505: error("ls: Invalid flag -%c", optopt);
1.97 djm 506: return -1;
1.44 djm 507: }
508: }
509:
1.97 djm 510: return optind;
1.44 djm 511: }
512:
513: static int
1.100 djm 514: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
515: {
1.102 martynas 516: extern int opterr, optind, optopt, optreset;
1.100 djm 517: int ch;
518:
519: optind = optreset = 1;
520: opterr = 0;
521:
522: *hflag = *iflag = 0;
523: while ((ch = getopt(argc, argv, "hi")) != -1) {
524: switch (ch) {
525: case 'h':
526: *hflag = 1;
527: break;
528: case 'i':
529: *iflag = 1;
530: break;
531: default:
1.102 martynas 532: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 533: return -1;
534: }
535: }
536:
537: return optind;
538: }
539:
540: static int
1.189 djm 541: parse_ch_flags(const char *cmd, char **argv, int argc, int *hflag)
542: {
543: extern int opterr, optind, optopt, optreset;
544: int ch;
545:
546: optind = optreset = 1;
547: opterr = 0;
548:
549: *hflag = 0;
550: while ((ch = getopt(argc, argv, "h")) != -1) {
551: switch (ch) {
552: case 'h':
553: *hflag = 1;
554: break;
555: default:
556: error("%s: Invalid flag -%c", cmd, optopt);
557: return -1;
558: }
559: }
560:
561: return optind;
562: }
563:
564: static int
1.153 djm 565: parse_no_flags(const char *cmd, char **argv, int argc)
566: {
567: extern int opterr, optind, optopt, optreset;
568: int ch;
569:
570: optind = optreset = 1;
571: opterr = 0;
572:
573: while ((ch = getopt(argc, argv, "")) != -1) {
574: switch (ch) {
575: default:
576: error("%s: Invalid flag -%c", cmd, optopt);
577: return -1;
578: }
579: }
580:
581: return optind;
582: }
583:
1.215 djm 584: static char *
585: escape_glob(const char *s)
586: {
587: size_t i, o, len;
588: char *ret;
589:
590: len = strlen(s);
591: ret = xcalloc(2, len + 1);
592: for (i = o = 0; i < len; i++) {
593: if (strchr("[]?*\\", s[i]) != NULL)
594: ret[o++] = '\\';
595: ret[o++] = s[i];
596: }
597: ret[o++] = '\0';
598: return ret;
599: }
600:
601: static char *
602: make_absolute_pwd_glob(const char *p, const char *pwd)
603: {
604: char *ret, *escpwd;
605:
606: escpwd = escape_glob(pwd);
607: if (p == NULL)
608: return escpwd;
609: ret = make_absolute(xstrdup(p), escpwd);
610: free(escpwd);
611: return ret;
612: }
613:
1.153 djm 614: static int
1.175 djm 615: process_get(struct sftp_conn *conn, const char *src, const char *dst,
616: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 617: {
1.215 djm 618: char *filename, *abs_src = NULL, *abs_dst = NULL, *tmp = NULL;
1.44 djm 619: glob_t g;
1.164 djm 620: int i, r, err = 0;
1.44 djm 621:
1.215 djm 622: abs_src = make_absolute_pwd_glob(src, pwd);
1.111 djm 623: memset(&g, 0, sizeof(g));
1.44 djm 624:
625: debug3("Looking up %s", abs_src);
1.164 djm 626: if ((r = remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) != 0) {
627: if (r == GLOB_NOSPACE) {
628: error("Too many matches for \"%s\".", abs_src);
629: } else {
630: error("File \"%s\" not found.", abs_src);
631: }
1.44 djm 632: err = -1;
633: goto out;
634: }
635:
1.111 djm 636: /*
637: * If multiple matches then dst must be a directory or
638: * unspecified.
639: */
1.205 djm 640: if (g.gl_matchc > 1 && dst != NULL && !local_is_dir(dst)) {
1.111 djm 641: error("Multiple source paths, but destination "
642: "\"%s\" is not a directory", dst);
1.44 djm 643: err = -1;
644: goto out;
645: }
646:
1.46 djm 647: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 648: tmp = xstrdup(g.gl_pathv[i]);
649: if ((filename = basename(tmp)) == NULL) {
650: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 651: free(tmp);
1.44 djm 652: err = -1;
653: goto out;
654: }
655:
656: if (g.gl_matchc == 1 && dst) {
1.205 djm 657: if (local_is_dir(dst)) {
1.111 djm 658: abs_dst = path_append(dst, filename);
659: } else {
1.44 djm 660: abs_dst = xstrdup(dst);
1.111 djm 661: }
1.44 djm 662: } else if (dst) {
1.111 djm 663: abs_dst = path_append(dst, filename);
664: } else {
665: abs_dst = xstrdup(filename);
666: }
1.145 djm 667: free(tmp);
1.44 djm 668:
1.148 djm 669: resume |= global_aflag;
670: if (!quiet && resume)
1.174 schwarze 671: mprintf("Resuming %s to %s\n",
672: g.gl_pathv[i], abs_dst);
1.148 djm 673: else if (!quiet && !resume)
1.174 schwarze 674: mprintf("Fetching %s to %s\n",
675: g.gl_pathv[i], abs_dst);
1.210 djm 676: /* XXX follow link flag */
1.205 djm 677: if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 678: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 679: pflag || global_pflag, 1, resume,
1.216 djm 680: fflag || global_fflag, 0, 0) == -1)
1.111 djm 681: err = -1;
682: } else {
683: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 684: pflag || global_pflag, resume,
1.216 djm 685: fflag || global_fflag, 0) == -1)
1.111 djm 686: err = -1;
687: }
1.145 djm 688: free(abs_dst);
1.44 djm 689: abs_dst = NULL;
690: }
691:
692: out:
1.145 djm 693: free(abs_src);
1.44 djm 694: globfree(&g);
695: return(err);
696: }
697:
698: static int
1.175 djm 699: process_put(struct sftp_conn *conn, const char *src, const char *dst,
700: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 701: {
702: char *tmp_dst = NULL;
703: char *abs_dst = NULL;
1.111 djm 704: char *tmp = NULL, *filename = NULL;
1.44 djm 705: glob_t g;
706: int err = 0;
1.111 djm 707: int i, dst_is_dir = 1;
1.99 djm 708: struct stat sb;
1.44 djm 709:
710: if (dst) {
711: tmp_dst = xstrdup(dst);
712: tmp_dst = make_absolute(tmp_dst, pwd);
713: }
714:
715: memset(&g, 0, sizeof(g));
716: debug3("Looking up %s", src);
1.111 djm 717: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 718: error("File \"%s\" not found.", src);
719: err = -1;
720: goto out;
721: }
722:
1.111 djm 723: /* If we aren't fetching to pwd then stash this status for later */
724: if (tmp_dst != NULL)
725: dst_is_dir = remote_is_dir(conn, tmp_dst);
726:
1.44 djm 727: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 728: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
729: error("Multiple paths match, but destination "
730: "\"%s\" is not a directory", tmp_dst);
1.44 djm 731: err = -1;
732: goto out;
733: }
734:
1.46 djm 735: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 736: if (stat(g.gl_pathv[i], &sb) == -1) {
737: err = -1;
738: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
739: continue;
740: }
1.149 djm 741:
1.111 djm 742: tmp = xstrdup(g.gl_pathv[i]);
743: if ((filename = basename(tmp)) == NULL) {
744: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 745: free(tmp);
1.44 djm 746: err = -1;
747: goto out;
748: }
749:
750: if (g.gl_matchc == 1 && tmp_dst) {
751: /* If directory specified, append filename */
1.111 djm 752: if (dst_is_dir)
753: abs_dst = path_append(tmp_dst, filename);
754: else
1.44 djm 755: abs_dst = xstrdup(tmp_dst);
756: } else if (tmp_dst) {
1.111 djm 757: abs_dst = path_append(tmp_dst, filename);
758: } else {
759: abs_dst = make_absolute(xstrdup(filename), pwd);
760: }
1.145 djm 761: free(tmp);
1.44 djm 762:
1.208 djm 763: resume |= global_aflag;
1.159 logan 764: if (!quiet && resume)
1.174 schwarze 765: mprintf("Resuming upload of %s to %s\n",
766: g.gl_pathv[i], abs_dst);
1.159 logan 767: else if (!quiet && !resume)
1.174 schwarze 768: mprintf("Uploading %s to %s\n",
769: g.gl_pathv[i], abs_dst);
1.210 djm 770: /* XXX follow_link_flag */
1.205 djm 771: if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.111 djm 772: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.159 logan 773: pflag || global_pflag, 1, resume,
1.216 djm 774: fflag || global_fflag, 0, 0) == -1)
1.111 djm 775: err = -1;
776: } else {
777: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.159 logan 778: pflag || global_pflag, resume,
1.216 djm 779: fflag || global_fflag, 0) == -1)
1.111 djm 780: err = -1;
781: }
1.44 djm 782: }
783:
784: out:
1.145 djm 785: free(abs_dst);
786: free(tmp_dst);
1.44 djm 787: globfree(&g);
788: return(err);
789: }
790:
791: static int
792: sdirent_comp(const void *aa, const void *bb)
793: {
794: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
795: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 796: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 797:
1.52 djm 798: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 799: if (sort_flag & LS_NAME_SORT)
1.52 djm 800: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 801: else if (sort_flag & LS_TIME_SORT)
1.52 djm 802: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 803: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 804: return (rmul * NCMP(a->a.size, b->a.size));
805:
806: fatal("Unknown ls sort type");
1.44 djm 807: }
808:
809: /* sftp ls.1 replacement for directories */
810: static int
1.175 djm 811: do_ls_dir(struct sftp_conn *conn, const char *path,
812: const char *strip_path, int lflag)
1.44 djm 813: {
1.64 djm 814: int n;
815: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 816: SFTP_DIRENT **d;
817:
818: if ((n = do_readdir(conn, path, &d)) != 0)
819: return (n);
820:
1.53 djm 821: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 822: u_int m = 0, width = 80;
1.44 djm 823: struct winsize ws;
824: char *tmp;
825:
826: /* Count entries for sort and find longest filename */
1.54 djm 827: for (n = 0; d[n] != NULL; n++) {
828: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
1.176 deraadt 829: m = MAXIMUM(m, strlen(d[n]->filename));
1.54 djm 830: }
1.44 djm 831:
832: /* Add any subpath that also needs to be counted */
833: tmp = path_strip(path, strip_path);
834: m += strlen(tmp);
1.145 djm 835: free(tmp);
1.44 djm 836:
837: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
838: width = ws.ws_col;
839:
840: columns = width / (m + 2);
1.176 deraadt 841: columns = MAXIMUM(columns, 1);
1.44 djm 842: colspace = width / columns;
1.176 deraadt 843: colspace = MINIMUM(colspace, width);
1.44 djm 844: }
845:
1.52 djm 846: if (lflag & SORT_FLAGS) {
1.68 dtucker 847: for (n = 0; d[n] != NULL; n++)
848: ; /* count entries */
1.53 djm 849: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 850: qsort(d, n, sizeof(*d), sdirent_comp);
851: }
1.44 djm 852:
1.46 djm 853: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 854: char *tmp, *fname;
1.54 djm 855:
856: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
857: continue;
1.44 djm 858:
859: tmp = path_append(path, d[n]->filename);
860: fname = path_strip(tmp, strip_path);
1.145 djm 861: free(tmp);
1.44 djm 862:
1.53 djm 863: if (lflag & LS_LONG_VIEW) {
1.119 djm 864: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 865: char *lname;
866: struct stat sb;
867:
868: memset(&sb, 0, sizeof(sb));
869: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 870: lname = ls_file(fname, &sb, 1,
871: (lflag & LS_SI_UNITS));
1.174 schwarze 872: mprintf("%s\n", lname);
1.145 djm 873: free(lname);
1.50 djm 874: } else
1.174 schwarze 875: mprintf("%s\n", d[n]->longname);
1.44 djm 876: } else {
1.174 schwarze 877: mprintf("%-*s", colspace, fname);
1.44 djm 878: if (c >= columns) {
879: printf("\n");
880: c = 1;
881: } else
882: c++;
883: }
884:
1.145 djm 885: free(fname);
1.44 djm 886: }
887:
1.53 djm 888: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 889: printf("\n");
890:
891: free_sftp_dirents(d);
892: return (0);
893: }
894:
1.180 djm 895: static int
896: sglob_comp(const void *aa, const void *bb)
897: {
898: u_int a = *(const u_int *)aa;
899: u_int b = *(const u_int *)bb;
900: const char *ap = sort_glob->gl_pathv[a];
901: const char *bp = sort_glob->gl_pathv[b];
902: const struct stat *as = sort_glob->gl_statv[a];
903: const struct stat *bs = sort_glob->gl_statv[b];
904: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
905:
906: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
907: if (sort_flag & LS_NAME_SORT)
908: return (rmul * strcmp(ap, bp));
1.206 djm 909: else if (sort_flag & LS_TIME_SORT) {
910: if (timespeccmp(&as->st_mtim, &bs->st_mtim, ==))
911: return 0;
912: return timespeccmp(&as->st_mtim, &bs->st_mtim, <) ?
913: rmul : -rmul;
914: } else if (sort_flag & LS_SIZE_SORT)
1.180 djm 915: return (rmul * NCMP(as->st_size, bs->st_size));
916:
917: fatal("Unknown ls sort type");
918: }
919:
1.44 djm 920: /* sftp ls.1 replacement which handles path globs */
921: static int
1.175 djm 922: do_globbed_ls(struct sftp_conn *conn, const char *path,
923: const char *strip_path, int lflag)
1.44 djm 924: {
1.129 djm 925: char *fname, *lname;
1.44 djm 926: glob_t g;
1.164 djm 927: int err, r;
1.129 djm 928: struct winsize ws;
1.180 djm 929: u_int i, j, nentries, *indices = NULL, c = 1;
930: u_int colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 931:
932: memset(&g, 0, sizeof(g));
933:
1.164 djm 934: if ((r = remote_glob(conn, path,
1.133 djm 935: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
1.164 djm 936: NULL, &g)) != 0 ||
1.128 djm 937: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 938: if (g.gl_pathc)
939: globfree(&g);
1.164 djm 940: if (r == GLOB_NOSPACE) {
941: error("Can't ls: Too many matches for \"%s\"", path);
942: } else {
943: error("Can't ls: \"%s\" not found", path);
944: }
1.128 djm 945: return -1;
1.44 djm 946: }
947:
1.46 djm 948: if (interrupted)
949: goto out;
950:
1.44 djm 951: /*
1.60 fgsch 952: * If the glob returns a single match and it is a directory,
953: * then just list its contents.
1.44 djm 954: */
1.128 djm 955: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
956: S_ISDIR(g.gl_statv[0]->st_mode)) {
957: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
958: globfree(&g);
959: return err;
1.44 djm 960: }
961:
1.129 djm 962: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
963: width = ws.ws_col;
964:
1.53 djm 965: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 966: /* Count entries for sort and find longest filename */
967: for (i = 0; g.gl_pathv[i]; i++)
1.176 deraadt 968: m = MAXIMUM(m, strlen(g.gl_pathv[i]));
1.44 djm 969:
970: columns = width / (m + 2);
1.176 deraadt 971: columns = MAXIMUM(columns, 1);
1.44 djm 972: colspace = width / columns;
973: }
974:
1.180 djm 975: /*
976: * Sorting: rather than mess with the contents of glob_t, prepare
977: * an array of indices into it and sort that. For the usual
978: * unsorted case, the indices are just the identity 1=1, 2=2, etc.
979: */
980: for (nentries = 0; g.gl_pathv[nentries] != NULL; nentries++)
981: ; /* count entries */
982: indices = calloc(nentries, sizeof(*indices));
983: for (i = 0; i < nentries; i++)
984: indices[i] = i;
985:
986: if (lflag & SORT_FLAGS) {
987: sort_glob = &g;
988: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
989: qsort(indices, nentries, sizeof(*indices), sglob_comp);
990: sort_glob = NULL;
991: }
992:
993: for (j = 0; j < nentries && !interrupted; j++) {
994: i = indices[j];
1.44 djm 995: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 996: if (lflag & LS_LONG_VIEW) {
1.128 djm 997: if (g.gl_statv[i] == NULL) {
998: error("no stat information for %s", fname);
999: continue;
1000: }
1001: lname = ls_file(fname, g.gl_statv[i], 1,
1002: (lflag & LS_SI_UNITS));
1.174 schwarze 1003: mprintf("%s\n", lname);
1.145 djm 1004: free(lname);
1.44 djm 1005: } else {
1.174 schwarze 1006: mprintf("%-*s", colspace, fname);
1.44 djm 1007: if (c >= columns) {
1008: printf("\n");
1009: c = 1;
1010: } else
1011: c++;
1012: }
1.145 djm 1013: free(fname);
1.44 djm 1014: }
1015:
1.53 djm 1016: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 1017: printf("\n");
1018:
1.46 djm 1019: out:
1.44 djm 1020: if (g.gl_pathc)
1021: globfree(&g);
1.180 djm 1022: free(indices);
1.44 djm 1023:
1.128 djm 1024: return 0;
1.44 djm 1025: }
1026:
1.100 djm 1027: static int
1.175 djm 1028: do_df(struct sftp_conn *conn, const char *path, int hflag, int iflag)
1.100 djm 1029: {
1.101 dtucker 1030: struct sftp_statvfs st;
1.178 djm 1031: char s_used[FMT_SCALED_STRSIZE], s_avail[FMT_SCALED_STRSIZE];
1032: char s_root[FMT_SCALED_STRSIZE], s_total[FMT_SCALED_STRSIZE];
1033: char s_icapacity[16], s_dcapacity[16];
1.100 djm 1034:
1035: if (do_statvfs(conn, path, &st, 1) == -1)
1036: return -1;
1.178 djm 1037: if (st.f_files == 0)
1038: strlcpy(s_icapacity, "ERR", sizeof(s_icapacity));
1039: else {
1040: snprintf(s_icapacity, sizeof(s_icapacity), "%3llu%%",
1041: (unsigned long long)(100 * (st.f_files - st.f_ffree) /
1042: st.f_files));
1043: }
1044: if (st.f_blocks == 0)
1045: strlcpy(s_dcapacity, "ERR", sizeof(s_dcapacity));
1046: else {
1047: snprintf(s_dcapacity, sizeof(s_dcapacity), "%3llu%%",
1048: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
1049: st.f_blocks));
1050: }
1.100 djm 1051: if (iflag) {
1052: printf(" Inodes Used Avail "
1053: "(root) %%Capacity\n");
1.178 djm 1054: printf("%11llu %11llu %11llu %11llu %s\n",
1.100 djm 1055: (unsigned long long)st.f_files,
1056: (unsigned long long)(st.f_files - st.f_ffree),
1057: (unsigned long long)st.f_favail,
1.178 djm 1058: (unsigned long long)st.f_ffree, s_icapacity);
1.100 djm 1059: } else if (hflag) {
1060: strlcpy(s_used, "error", sizeof(s_used));
1061: strlcpy(s_avail, "error", sizeof(s_avail));
1062: strlcpy(s_root, "error", sizeof(s_root));
1063: strlcpy(s_total, "error", sizeof(s_total));
1064: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
1065: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
1066: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
1067: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
1068: printf(" Size Used Avail (root) %%Capacity\n");
1.178 djm 1069: printf("%7sB %7sB %7sB %7sB %s\n",
1070: s_total, s_used, s_avail, s_root, s_dcapacity);
1.100 djm 1071: } else {
1072: printf(" Size Used Avail "
1073: "(root) %%Capacity\n");
1.178 djm 1074: printf("%12llu %12llu %12llu %12llu %s\n",
1.100 djm 1075: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
1076: (unsigned long long)(st.f_frsize *
1077: (st.f_blocks - st.f_bfree) / 1024),
1078: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
1079: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
1.178 djm 1080: s_dcapacity);
1.100 djm 1081: }
1082: return 0;
1083: }
1084:
1.97 djm 1085: /*
1086: * Undo escaping of glob sequences in place. Used to undo extra escaping
1087: * applied in makeargv() when the string is destined for a function that
1088: * does not glob it.
1089: */
1090: static void
1091: undo_glob_escape(char *s)
1092: {
1093: size_t i, j;
1094:
1095: for (i = j = 0;;) {
1096: if (s[i] == '\0') {
1097: s[j] = '\0';
1098: return;
1099: }
1100: if (s[i] != '\\') {
1101: s[j++] = s[i++];
1102: continue;
1103: }
1104: /* s[i] == '\\' */
1105: ++i;
1106: switch (s[i]) {
1107: case '?':
1108: case '[':
1109: case '*':
1110: case '\\':
1111: s[j++] = s[i++];
1112: break;
1113: case '\0':
1114: s[j++] = '\\';
1115: s[j] = '\0';
1116: return;
1117: default:
1118: s[j++] = '\\';
1119: s[j++] = s[i++];
1120: break;
1121: }
1122: }
1123: }
1124:
1125: /*
1126: * Split a string into an argument vector using sh(1)-style quoting,
1127: * comment and escaping rules, but with some tweaks to handle glob(3)
1128: * wildcards.
1.116 djm 1129: * The "sloppy" flag allows for recovery from missing terminating quote, for
1130: * use in parsing incomplete commandlines during tab autocompletion.
1131: *
1.97 djm 1132: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1133: *
1134: * If "lastquote" is not NULL, the quoting character used for the last
1135: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1136: *
1.116 djm 1137: * If "terminated" is not NULL, *terminated will be set to 1 when the
1138: * last argument's quote has been properly terminated or 0 otherwise.
1139: * This parameter is only of use if "sloppy" is set.
1.97 djm 1140: */
1.204 djm 1141: #define MAXARGS 128
1.97 djm 1142: #define MAXARGLEN 8192
1143: static char **
1.116 djm 1144: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1145: u_int *terminated)
1.97 djm 1146: {
1147: int argc, quot;
1148: size_t i, j;
1149: static char argvs[MAXARGLEN];
1150: static char *argv[MAXARGS + 1];
1151: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1152:
1153: *argcp = argc = 0;
1154: if (strlen(arg) > sizeof(argvs) - 1) {
1155: args_too_longs:
1156: error("string too long");
1157: return NULL;
1158: }
1.116 djm 1159: if (terminated != NULL)
1160: *terminated = 1;
1161: if (lastquote != NULL)
1162: *lastquote = '\0';
1.97 djm 1163: state = MA_START;
1164: i = j = 0;
1165: for (;;) {
1.141 markus 1166: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1167: error("Too many arguments.");
1168: return NULL;
1169: }
1.158 deraadt 1170: if (isspace((unsigned char)arg[i])) {
1.97 djm 1171: if (state == MA_UNQUOTED) {
1172: /* Terminate current argument */
1173: argvs[j++] = '\0';
1174: argc++;
1175: state = MA_START;
1176: } else if (state != MA_START)
1177: argvs[j++] = arg[i];
1178: } else if (arg[i] == '"' || arg[i] == '\'') {
1179: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1180: if (state == MA_START) {
1181: argv[argc] = argvs + j;
1182: state = q;
1.116 djm 1183: if (lastquote != NULL)
1184: *lastquote = arg[i];
1.149 djm 1185: } else if (state == MA_UNQUOTED)
1.97 djm 1186: state = q;
1187: else if (state == q)
1188: state = MA_UNQUOTED;
1189: else
1190: argvs[j++] = arg[i];
1191: } else if (arg[i] == '\\') {
1192: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1193: quot = state == MA_SQUOTE ? '\'' : '"';
1194: /* Unescape quote we are in */
1195: /* XXX support \n and friends? */
1196: if (arg[i + 1] == quot) {
1197: i++;
1198: argvs[j++] = arg[i];
1199: } else if (arg[i + 1] == '?' ||
1200: arg[i + 1] == '[' || arg[i + 1] == '*') {
1201: /*
1202: * Special case for sftp: append
1203: * double-escaped glob sequence -
1204: * glob will undo one level of
1205: * escaping. NB. string can grow here.
1206: */
1207: if (j >= sizeof(argvs) - 5)
1208: goto args_too_longs;
1209: argvs[j++] = '\\';
1210: argvs[j++] = arg[i++];
1211: argvs[j++] = '\\';
1212: argvs[j++] = arg[i];
1213: } else {
1214: argvs[j++] = arg[i++];
1215: argvs[j++] = arg[i];
1216: }
1217: } else {
1218: if (state == MA_START) {
1219: argv[argc] = argvs + j;
1220: state = MA_UNQUOTED;
1.116 djm 1221: if (lastquote != NULL)
1222: *lastquote = '\0';
1.97 djm 1223: }
1224: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1225: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1226: /*
1227: * Special case for sftp: append
1228: * escaped glob sequence -
1229: * glob will undo one level of
1230: * escaping.
1231: */
1232: argvs[j++] = arg[i++];
1233: argvs[j++] = arg[i];
1234: } else {
1235: /* Unescape everything */
1236: /* XXX support \n and friends? */
1237: i++;
1238: argvs[j++] = arg[i];
1239: }
1240: }
1241: } else if (arg[i] == '#') {
1242: if (state == MA_SQUOTE || state == MA_DQUOTE)
1243: argvs[j++] = arg[i];
1244: else
1245: goto string_done;
1246: } else if (arg[i] == '\0') {
1247: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1248: if (sloppy) {
1249: state = MA_UNQUOTED;
1250: if (terminated != NULL)
1251: *terminated = 0;
1252: goto string_done;
1253: }
1.97 djm 1254: error("Unterminated quoted argument");
1255: return NULL;
1256: }
1257: string_done:
1258: if (state == MA_UNQUOTED) {
1259: argvs[j++] = '\0';
1260: argc++;
1261: }
1262: break;
1263: } else {
1264: if (state == MA_START) {
1265: argv[argc] = argvs + j;
1266: state = MA_UNQUOTED;
1.116 djm 1267: if (lastquote != NULL)
1268: *lastquote = '\0';
1.97 djm 1269: }
1270: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1271: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1272: /*
1273: * Special case for sftp: escape quoted
1274: * glob(3) wildcards. NB. string can grow
1275: * here.
1276: */
1277: if (j >= sizeof(argvs) - 3)
1278: goto args_too_longs;
1279: argvs[j++] = '\\';
1280: argvs[j++] = arg[i];
1281: } else
1282: argvs[j++] = arg[i];
1283: }
1284: i++;
1285: }
1286: *argcp = argc;
1287: return argv;
1288: }
1289:
1.44 djm 1290: static int
1.187 djm 1291: parse_args(const char **cpp, int *ignore_errors, int *disable_echo, int *aflag,
1.173 djm 1292: int *fflag, int *hflag, int *iflag, int *lflag, int *pflag,
1.159 logan 1293: int *rflag, int *sflag,
1.156 djm 1294: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1295: {
1296: const char *cmd, *cp = *cpp;
1.97 djm 1297: char *cp2, **argv;
1.44 djm 1298: int base = 0;
1.202 dtucker 1299: long long ll;
1.182 djm 1300: int path1_mandatory = 0, i, cmdnum, optidx, argc;
1.44 djm 1301:
1302: /* Skip leading whitespace */
1303: cp = cp + strspn(cp, WHITESPACE);
1304:
1.187 djm 1305: /*
1306: * Check for leading '-' (disable error processing) and '@' (suppress
1307: * command echo)
1308: */
1.156 djm 1309: *ignore_errors = 0;
1.187 djm 1310: *disable_echo = 0;
1311: for (;*cp != '\0'; cp++) {
1312: if (*cp == '-') {
1313: *ignore_errors = 1;
1314: } else if (*cp == '@') {
1315: *disable_echo = 1;
1316: } else {
1317: /* all other characters terminate prefix processing */
1318: break;
1319: }
1.44 djm 1320: }
1.187 djm 1321: cp = cp + strspn(cp, WHITESPACE);
1.118 dtucker 1322:
1323: /* Ignore blank lines and lines which begin with comment '#' char */
1324: if (*cp == '\0' || *cp == '#')
1325: return (0);
1.44 djm 1326:
1.116 djm 1327: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1328: return -1;
1329:
1.44 djm 1330: /* Figure out which command we have */
1.97 djm 1331: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1332: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1333: break;
1334: }
1335: cmdnum = cmds[i].n;
1336: cmd = cmds[i].c;
1337:
1338: /* Special case */
1339: if (*cp == '!') {
1340: cp++;
1341: cmdnum = I_SHELL;
1342: } else if (cmdnum == -1) {
1343: error("Invalid command.");
1.97 djm 1344: return -1;
1.44 djm 1345: }
1346:
1347: /* Get arguments and parse flags */
1.156 djm 1348: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1349: *rflag = *sflag = 0;
1.44 djm 1350: *path1 = *path2 = NULL;
1.97 djm 1351: optidx = 1;
1.44 djm 1352: switch (cmdnum) {
1353: case I_GET:
1.148 djm 1354: case I_REGET:
1.159 logan 1355: case I_REPUT:
1.44 djm 1356: case I_PUT:
1.132 djm 1357: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1358: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1359: return -1;
1.44 djm 1360: /* Get first pathname (mandatory) */
1.97 djm 1361: if (argc - optidx < 1) {
1.44 djm 1362: error("You must specify at least one path after a "
1363: "%s command.", cmd);
1.97 djm 1364: return -1;
1365: }
1366: *path1 = xstrdup(argv[optidx]);
1367: /* Get second pathname (optional) */
1368: if (argc - optidx > 1) {
1369: *path2 = xstrdup(argv[optidx + 1]);
1370: /* Destination is not globbed */
1371: undo_glob_escape(*path2);
1.44 djm 1372: }
1373: break;
1.132 djm 1374: case I_LINK:
1375: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1376: return -1;
1.152 djm 1377: goto parse_two_paths;
1.214 djm 1378: case I_COPY:
1379: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1380: return -1;
1381: goto parse_two_paths;
1.152 djm 1382: case I_RENAME:
1383: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1384: return -1;
1385: goto parse_two_paths;
1.132 djm 1386: case I_SYMLINK:
1.153 djm 1387: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1388: return -1;
1.152 djm 1389: parse_two_paths:
1.97 djm 1390: if (argc - optidx < 2) {
1.44 djm 1391: error("You must specify two paths after a %s "
1392: "command.", cmd);
1.97 djm 1393: return -1;
1.44 djm 1394: }
1.97 djm 1395: *path1 = xstrdup(argv[optidx]);
1396: *path2 = xstrdup(argv[optidx + 1]);
1397: /* Paths are not globbed */
1398: undo_glob_escape(*path1);
1399: undo_glob_escape(*path2);
1.44 djm 1400: break;
1401: case I_RM:
1402: case I_MKDIR:
1403: case I_RMDIR:
1.182 djm 1404: case I_LMKDIR:
1405: path1_mandatory = 1;
1406: /* FALLTHROUGH */
1.44 djm 1407: case I_CHDIR:
1408: case I_LCHDIR:
1.153 djm 1409: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1410: return -1;
1.44 djm 1411: /* Get pathname (mandatory) */
1.97 djm 1412: if (argc - optidx < 1) {
1.182 djm 1413: if (!path1_mandatory)
1414: break; /* return a NULL path1 */
1.44 djm 1415: error("You must specify a path after a %s command.",
1416: cmd);
1.97 djm 1417: return -1;
1.44 djm 1418: }
1.97 djm 1419: *path1 = xstrdup(argv[optidx]);
1420: /* Only "rm" globs */
1421: if (cmdnum != I_RM)
1422: undo_glob_escape(*path1);
1.44 djm 1423: break;
1.100 djm 1424: case I_DF:
1425: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1426: iflag)) == -1)
1427: return -1;
1428: /* Default to current directory if no path specified */
1429: if (argc - optidx < 1)
1430: *path1 = NULL;
1431: else {
1432: *path1 = xstrdup(argv[optidx]);
1433: undo_glob_escape(*path1);
1434: }
1435: break;
1.44 djm 1436: case I_LS:
1.97 djm 1437: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1438: return(-1);
1439: /* Path is optional */
1.97 djm 1440: if (argc - optidx > 0)
1441: *path1 = xstrdup(argv[optidx]);
1.44 djm 1442: break;
1443: case I_LLS:
1.98 djm 1444: /* Skip ls command and following whitespace */
1445: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1446: case I_SHELL:
1447: /* Uses the rest of the line */
1448: break;
1449: case I_LUMASK:
1450: case I_CHMOD:
1451: base = 8;
1.186 dtucker 1452: /* FALLTHROUGH */
1.44 djm 1453: case I_CHOWN:
1454: case I_CHGRP:
1.189 djm 1455: if ((optidx = parse_ch_flags(cmd, argv, argc, hflag)) == -1)
1.153 djm 1456: return -1;
1.44 djm 1457: /* Get numeric arg (mandatory) */
1.97 djm 1458: if (argc - optidx < 1)
1459: goto need_num_arg;
1.93 ray 1460: errno = 0;
1.202 dtucker 1461: ll = strtoll(argv[optidx], &cp2, base);
1.97 djm 1462: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1.202 dtucker 1463: ((ll == LLONG_MIN || ll == LLONG_MAX) && errno == ERANGE) ||
1464: ll < 0 || ll > UINT32_MAX) {
1.97 djm 1465: need_num_arg:
1.44 djm 1466: error("You must supply a numeric argument "
1467: "to the %s command.", cmd);
1.97 djm 1468: return -1;
1.44 djm 1469: }
1.202 dtucker 1470: *n_arg = ll;
1.97 djm 1471: if (cmdnum == I_LUMASK)
1.44 djm 1472: break;
1473: /* Get pathname (mandatory) */
1.97 djm 1474: if (argc - optidx < 2) {
1.44 djm 1475: error("You must specify a path after a %s command.",
1476: cmd);
1.97 djm 1477: return -1;
1.44 djm 1478: }
1.97 djm 1479: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1480: break;
1481: case I_QUIT:
1482: case I_PWD:
1483: case I_LPWD:
1484: case I_HELP:
1485: case I_VERSION:
1486: case I_PROGRESS:
1.153 djm 1487: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1488: return -1;
1.44 djm 1489: break;
1490: default:
1491: fatal("Command not implemented");
1492: }
1493:
1494: *cpp = cp;
1495: return(cmdnum);
1496: }
1497:
1498: static int
1499: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1.187 djm 1500: const char *startdir, int err_abort, int echo_command)
1.44 djm 1501: {
1.187 djm 1502: const char *ocmd = cmd;
1.44 djm 1503: char *path1, *path2, *tmp;
1.187 djm 1504: int ignore_errors = 0, disable_echo = 1;
1505: int aflag = 0, fflag = 0, hflag = 0, iflag = 0;
1.156 djm 1506: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1507: int cmdnum, i;
1.107 dtucker 1508: unsigned long n_arg = 0;
1.44 djm 1509: Attrib a, *aa;
1.170 deraadt 1510: char path_buf[PATH_MAX];
1.44 djm 1511: int err = 0;
1512: glob_t g;
1513:
1514: path1 = path2 = NULL;
1.187 djm 1515: cmdnum = parse_args(&cmd, &ignore_errors, &disable_echo, &aflag, &fflag,
1516: &hflag, &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg,
1517: &path1, &path2);
1.156 djm 1518: if (ignore_errors != 0)
1.44 djm 1519: err_abort = 0;
1520:
1.187 djm 1521: if (echo_command && !disable_echo)
1522: mprintf("sftp> %s\n", ocmd);
1523:
1.44 djm 1524: memset(&g, 0, sizeof(g));
1525:
1526: /* Perform command */
1527: switch (cmdnum) {
1528: case 0:
1529: /* Blank line */
1530: break;
1531: case -1:
1532: /* Unrecognized command */
1533: err = -1;
1534: break;
1.148 djm 1535: case I_REGET:
1536: aflag = 1;
1537: /* FALLTHROUGH */
1.44 djm 1538: case I_GET:
1.148 djm 1539: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1540: rflag, aflag, fflag);
1.44 djm 1541: break;
1.159 logan 1542: case I_REPUT:
1543: aflag = 1;
1544: /* FALLTHROUGH */
1.44 djm 1545: case I_PUT:
1.156 djm 1546: err = process_put(conn, path1, path2, *pwd, pflag,
1.159 logan 1547: rflag, aflag, fflag);
1.214 djm 1548: break;
1549: case I_COPY:
1550: path1 = make_absolute(path1, *pwd);
1551: path2 = make_absolute(path2, *pwd);
1552: err = do_copy(conn, path1, path2);
1.44 djm 1553: break;
1554: case I_RENAME:
1555: path1 = make_absolute(path1, *pwd);
1556: path2 = make_absolute(path2, *pwd);
1.152 djm 1557: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1558: break;
1559: case I_SYMLINK:
1.132 djm 1560: sflag = 1;
1.186 dtucker 1561: /* FALLTHROUGH */
1.132 djm 1562: case I_LINK:
1.151 djm 1563: if (!sflag)
1564: path1 = make_absolute(path1, *pwd);
1.44 djm 1565: path2 = make_absolute(path2, *pwd);
1.132 djm 1566: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1567: break;
1568: case I_RM:
1.215 djm 1569: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1570: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1571: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1572: if (!quiet)
1.174 schwarze 1573: mprintf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1574: err = do_rm(conn, g.gl_pathv[i]);
1575: if (err != 0 && err_abort)
1576: break;
1577: }
1578: break;
1579: case I_MKDIR:
1580: path1 = make_absolute(path1, *pwd);
1581: attrib_clear(&a);
1582: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1583: a.perm = 0777;
1.111 djm 1584: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1585: break;
1586: case I_RMDIR:
1587: path1 = make_absolute(path1, *pwd);
1588: err = do_rmdir(conn, path1);
1589: break;
1590: case I_CHDIR:
1.182 djm 1591: if (path1 == NULL || *path1 == '\0')
1592: path1 = xstrdup(startdir);
1.44 djm 1593: path1 = make_absolute(path1, *pwd);
1594: if ((tmp = do_realpath(conn, path1)) == NULL) {
1595: err = 1;
1596: break;
1597: }
1598: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1599: free(tmp);
1.44 djm 1600: err = 1;
1601: break;
1602: }
1603: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1604: error("Can't change directory: Can't check target");
1.145 djm 1605: free(tmp);
1.44 djm 1606: err = 1;
1607: break;
1608: }
1609: if (!S_ISDIR(aa->perm)) {
1610: error("Can't change directory: \"%s\" is not "
1611: "a directory", tmp);
1.145 djm 1612: free(tmp);
1.44 djm 1613: err = 1;
1614: break;
1615: }
1.145 djm 1616: free(*pwd);
1.44 djm 1617: *pwd = tmp;
1618: break;
1619: case I_LS:
1620: if (!path1) {
1.125 djm 1621: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1622: break;
1623: }
1624:
1625: /* Strip pwd off beginning of non-absolute paths */
1626: tmp = NULL;
1.188 djm 1627: if (!path_absolute(path1))
1.44 djm 1628: tmp = *pwd;
1629:
1.215 djm 1630: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1631: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1632: break;
1633: case I_DF:
1634: /* Default to current directory if no path specified */
1635: if (path1 == NULL)
1636: path1 = xstrdup(*pwd);
1637: path1 = make_absolute(path1, *pwd);
1638: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1639: break;
1640: case I_LCHDIR:
1.182 djm 1641: if (path1 == NULL || *path1 == '\0')
1642: path1 = xstrdup("~");
1.166 deraadt 1643: tmp = tilde_expand_filename(path1, getuid());
1.165 djm 1644: free(path1);
1645: path1 = tmp;
1.44 djm 1646: if (chdir(path1) == -1) {
1647: error("Couldn't change local directory to "
1648: "\"%s\": %s", path1, strerror(errno));
1649: err = 1;
1650: }
1651: break;
1652: case I_LMKDIR:
1653: if (mkdir(path1, 0777) == -1) {
1654: error("Couldn't create local directory "
1655: "\"%s\": %s", path1, strerror(errno));
1656: err = 1;
1657: }
1658: break;
1659: case I_LLS:
1660: local_do_ls(cmd);
1661: break;
1662: case I_SHELL:
1663: local_do_shell(cmd);
1664: break;
1665: case I_LUMASK:
1666: umask(n_arg);
1667: printf("Local umask: %03lo\n", n_arg);
1668: break;
1669: case I_CHMOD:
1.215 djm 1670: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1671: attrib_clear(&a);
1672: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1673: a.perm = n_arg;
1674: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1675: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1676: if (!quiet)
1.174 schwarze 1677: mprintf("Changing mode on %s\n",
1678: g.gl_pathv[i]);
1.189 djm 1679: err = (hflag ? do_lsetstat : do_setstat)(conn,
1680: g.gl_pathv[i], &a);
1.44 djm 1681: if (err != 0 && err_abort)
1682: break;
1683: }
1684: break;
1685: case I_CHOWN:
1686: case I_CHGRP:
1.215 djm 1687: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1688: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1689: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.189 djm 1690: if (!(aa = (hflag ? do_lstat : do_stat)(conn,
1691: g.gl_pathv[i], 0))) {
1.104 djm 1692: if (err_abort) {
1693: err = -1;
1.44 djm 1694: break;
1.104 djm 1695: } else
1.44 djm 1696: continue;
1697: }
1698: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1699: error("Can't get current ownership of "
1700: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1701: if (err_abort) {
1702: err = -1;
1.44 djm 1703: break;
1.104 djm 1704: } else
1.44 djm 1705: continue;
1706: }
1707: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1708: if (cmdnum == I_CHOWN) {
1.143 djm 1709: if (!quiet)
1.174 schwarze 1710: mprintf("Changing owner on %s\n",
1.143 djm 1711: g.gl_pathv[i]);
1.44 djm 1712: aa->uid = n_arg;
1713: } else {
1.143 djm 1714: if (!quiet)
1.174 schwarze 1715: mprintf("Changing group on %s\n",
1.143 djm 1716: g.gl_pathv[i]);
1.44 djm 1717: aa->gid = n_arg;
1718: }
1.189 djm 1719: err = (hflag ? do_lsetstat : do_setstat)(conn,
1720: g.gl_pathv[i], aa);
1.44 djm 1721: if (err != 0 && err_abort)
1722: break;
1723: }
1724: break;
1725: case I_PWD:
1.174 schwarze 1726: mprintf("Remote working directory: %s\n", *pwd);
1.44 djm 1727: break;
1728: case I_LPWD:
1729: if (!getcwd(path_buf, sizeof(path_buf))) {
1730: error("Couldn't get local cwd: %s", strerror(errno));
1731: err = -1;
1732: break;
1733: }
1.174 schwarze 1734: mprintf("Local working directory: %s\n", path_buf);
1.44 djm 1735: break;
1736: case I_QUIT:
1737: /* Processed below */
1738: break;
1739: case I_HELP:
1740: help();
1741: break;
1742: case I_VERSION:
1743: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1744: break;
1745: case I_PROGRESS:
1746: showprogress = !showprogress;
1747: if (showprogress)
1748: printf("Progress meter enabled\n");
1749: else
1750: printf("Progress meter disabled\n");
1751: break;
1752: default:
1753: fatal("%d is not implemented", cmdnum);
1754: }
1755:
1756: if (g.gl_pathc)
1757: globfree(&g);
1.145 djm 1758: free(path1);
1759: free(path2);
1.44 djm 1760:
1761: /* If an unignored error occurs in batch mode we should abort. */
1762: if (err_abort && err != 0)
1763: return (-1);
1764: else if (cmdnum == I_QUIT)
1765: return (1);
1766:
1767: return (0);
1768: }
1769:
1.57 djm 1770: static char *
1771: prompt(EditLine *el)
1772: {
1773: return ("sftp> ");
1774: }
1775:
1.116 djm 1776: /* Display entries in 'list' after skipping the first 'len' chars */
1777: static void
1778: complete_display(char **list, u_int len)
1779: {
1780: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1781: struct winsize ws;
1782: char *tmp;
1783:
1784: /* Count entries for sort and find longest */
1.149 djm 1785: for (y = 0; list[y]; y++)
1.176 deraadt 1786: m = MAXIMUM(m, strlen(list[y]));
1.116 djm 1787:
1788: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1789: width = ws.ws_col;
1790:
1791: m = m > len ? m - len : 0;
1792: columns = width / (m + 2);
1.176 deraadt 1793: columns = MAXIMUM(columns, 1);
1.116 djm 1794: colspace = width / columns;
1.176 deraadt 1795: colspace = MINIMUM(colspace, width);
1.116 djm 1796:
1797: printf("\n");
1798: m = 1;
1799: for (y = 0; list[y]; y++) {
1800: llen = strlen(list[y]);
1801: tmp = llen > len ? list[y] + len : "";
1.174 schwarze 1802: mprintf("%-*s", colspace, tmp);
1.116 djm 1803: if (m >= columns) {
1804: printf("\n");
1805: m = 1;
1806: } else
1807: m++;
1808: }
1809: printf("\n");
1810: }
1811:
1812: /*
1813: * Given a "list" of words that begin with a common prefix of "word",
1814: * attempt to find an autocompletion to extends "word" by the next
1815: * characters common to all entries in "list".
1816: */
1817: static char *
1818: complete_ambiguous(const char *word, char **list, size_t count)
1819: {
1820: if (word == NULL)
1821: return NULL;
1822:
1823: if (count > 0) {
1824: u_int y, matchlen = strlen(list[0]);
1825:
1826: /* Find length of common stem */
1827: for (y = 1; list[y]; y++) {
1828: u_int x;
1829:
1.149 djm 1830: for (x = 0; x < matchlen; x++)
1831: if (list[0][x] != list[y][x])
1.116 djm 1832: break;
1833:
1834: matchlen = x;
1835: }
1836:
1837: if (matchlen > strlen(word)) {
1838: char *tmp = xstrdup(list[0]);
1839:
1.117 dtucker 1840: tmp[matchlen] = '\0';
1.116 djm 1841: return tmp;
1842: }
1.149 djm 1843: }
1.116 djm 1844:
1845: return xstrdup(word);
1846: }
1847:
1848: /* Autocomplete a sftp command */
1849: static int
1850: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1851: int terminated)
1852: {
1853: u_int y, count = 0, cmdlen, tmplen;
1854: char *tmp, **list, argterm[3];
1855: const LineInfo *lf;
1856:
1857: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1858:
1859: /* No command specified: display all available commands */
1860: if (cmd == NULL) {
1861: for (y = 0; cmds[y].c; y++)
1862: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1863:
1.116 djm 1864: list[count] = NULL;
1865: complete_display(list, 0);
1866:
1.149 djm 1867: for (y = 0; list[y] != NULL; y++)
1868: free(list[y]);
1.145 djm 1869: free(list);
1.116 djm 1870: return count;
1871: }
1872:
1873: /* Prepare subset of commands that start with "cmd" */
1874: cmdlen = strlen(cmd);
1875: for (y = 0; cmds[y].c; y++) {
1.149 djm 1876: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1877: list[count++] = xstrdup(cmds[y].c);
1878: }
1879: list[count] = NULL;
1880:
1.134 oga 1881: if (count == 0) {
1.145 djm 1882: free(list);
1.116 djm 1883: return 0;
1.134 oga 1884: }
1.116 djm 1885:
1.183 djm 1886: /* Complete ambiguous command */
1.116 djm 1887: tmp = complete_ambiguous(cmd, list, count);
1888: if (count > 1)
1889: complete_display(list, 0);
1890:
1.149 djm 1891: for (y = 0; list[y]; y++)
1892: free(list[y]);
1.145 djm 1893: free(list);
1.116 djm 1894:
1895: if (tmp != NULL) {
1896: tmplen = strlen(tmp);
1897: cmdlen = strlen(cmd);
1898: /* If cmd may be extended then do so */
1899: if (tmplen > cmdlen)
1900: if (el_insertstr(el, tmp + cmdlen) == -1)
1901: fatal("el_insertstr failed.");
1902: lf = el_line(el);
1903: /* Terminate argument cleanly */
1904: if (count == 1) {
1905: y = 0;
1906: if (!terminated)
1907: argterm[y++] = quote;
1908: if (lastarg || *(lf->cursor) != ' ')
1909: argterm[y++] = ' ';
1910: argterm[y] = '\0';
1911: if (y > 0 && el_insertstr(el, argterm) == -1)
1912: fatal("el_insertstr failed.");
1913: }
1.145 djm 1914: free(tmp);
1.116 djm 1915: }
1916:
1917: return count;
1918: }
1919:
1920: /*
1.220 ! djm 1921: * Determine whether a particular sftp command's arguments (if any) represent
! 1922: * local or remote files. The "cmdarg" argument specifies the actual argument
! 1923: * and accepts values 1 or 2.
1.116 djm 1924: */
1925: static int
1.220 ! djm 1926: complete_is_remote(char *cmd, int cmdarg) {
1.116 djm 1927: int i;
1928:
1929: if (cmd == NULL)
1930: return -1;
1931:
1932: for (i = 0; cmds[i].c; i++) {
1.220 ! djm 1933: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c))) {
! 1934: if (cmdarg == 1)
! 1935: return cmds[i].t;
! 1936: else if (cmdarg == 2)
! 1937: return cmds[i].t2;
! 1938: break;
! 1939: }
1.116 djm 1940: }
1941:
1942: return -1;
1943: }
1944:
1945: /* Autocomplete a filename "file" */
1946: static int
1947: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1948: char *file, int remote, int lastarg, char quote, int terminated)
1949: {
1950: glob_t g;
1.146 dtucker 1951: char *tmp, *tmp2, ins[8];
1.140 dtucker 1952: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1953: int clen;
1.116 djm 1954: const LineInfo *lf;
1.149 djm 1955:
1.116 djm 1956: /* Glob from "file" location */
1957: if (file == NULL)
1958: tmp = xstrdup("*");
1959: else
1960: xasprintf(&tmp, "%s*", file);
1961:
1.139 dtucker 1962: /* Check if the path is absolute. */
1.188 djm 1963: isabs = path_absolute(tmp);
1.139 dtucker 1964:
1.116 djm 1965: memset(&g, 0, sizeof(g));
1966: if (remote != LOCAL) {
1.215 djm 1967: tmp = make_absolute_pwd_glob(tmp, remote_path);
1.116 djm 1968: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1969: } else
1.116 djm 1970: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1971:
1.116 djm 1972: /* Determine length of pwd so we can trim completion display */
1973: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1974: /* Terminate counting on first unescaped glob metacharacter */
1975: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1976: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1977: hadglob = 1;
1978: break;
1979: }
1980: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1981: tmplen++;
1982: if (tmp[tmplen] == '/')
1983: pwdlen = tmplen + 1; /* track last seen '/' */
1984: }
1.145 djm 1985: free(tmp);
1.161 dtucker 1986: tmp = NULL;
1.116 djm 1987:
1.149 djm 1988: if (g.gl_matchc == 0)
1.116 djm 1989: goto out;
1990:
1991: if (g.gl_matchc > 1)
1992: complete_display(g.gl_pathv, pwdlen);
1993:
1994: /* Don't try to extend globs */
1995: if (file == NULL || hadglob)
1996: goto out;
1997:
1998: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1999: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 2000: free(tmp2);
1.116 djm 2001:
2002: if (tmp == NULL)
2003: goto out;
2004:
2005: tmplen = strlen(tmp);
2006: filelen = strlen(file);
2007:
1.140 dtucker 2008: /* Count the number of escaped characters in the input string. */
2009: cesc = isesc = 0;
2010: for (i = 0; i < filelen; i++) {
2011: if (!isesc && file[i] == '\\' && i + 1 < filelen){
2012: isesc = 1;
2013: cesc++;
2014: } else
2015: isesc = 0;
2016: }
2017:
2018: if (tmplen > (filelen - cesc)) {
2019: tmp2 = tmp + filelen - cesc;
1.149 djm 2020: len = strlen(tmp2);
1.116 djm 2021: /* quote argument on way out */
1.146 dtucker 2022: for (i = 0; i < len; i += clen) {
2023: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
2024: (size_t)clen > sizeof(ins) - 2)
2025: fatal("invalid multibyte character");
1.116 djm 2026: ins[0] = '\\';
1.146 dtucker 2027: memcpy(ins + 1, tmp2 + i, clen);
2028: ins[clen + 1] = '\0';
1.116 djm 2029: switch (tmp2[i]) {
2030: case '\'':
2031: case '"':
2032: case '\\':
2033: case '\t':
1.131 sthen 2034: case '[':
1.116 djm 2035: case ' ':
1.140 dtucker 2036: case '#':
2037: case '*':
1.116 djm 2038: if (quote == '\0' || tmp2[i] == quote) {
2039: if (el_insertstr(el, ins) == -1)
2040: fatal("el_insertstr "
2041: "failed.");
2042: break;
2043: }
2044: /* FALLTHROUGH */
2045: default:
2046: if (el_insertstr(el, ins + 1) == -1)
2047: fatal("el_insertstr failed.");
2048: break;
2049: }
2050: }
2051: }
2052:
2053: lf = el_line(el);
2054: if (g.gl_matchc == 1) {
2055: i = 0;
1.162 dtucker 2056: if (!terminated && quote != '\0')
1.116 djm 2057: ins[i++] = quote;
1.120 djm 2058: if (*(lf->cursor - 1) != '/' &&
2059: (lastarg || *(lf->cursor) != ' '))
1.116 djm 2060: ins[i++] = ' ';
2061: ins[i] = '\0';
2062: if (i > 0 && el_insertstr(el, ins) == -1)
2063: fatal("el_insertstr failed.");
2064: }
1.145 djm 2065: free(tmp);
1.116 djm 2066:
2067: out:
2068: globfree(&g);
2069: return g.gl_matchc;
2070: }
2071:
2072: /* tab-completion hook function, called via libedit */
2073: static unsigned char
2074: complete(EditLine *el, int ch)
2075: {
1.149 djm 2076: char **argv, *line, quote;
1.147 djm 2077: int argc, carg;
2078: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 2079: const LineInfo *lf;
2080: struct complete_ctx *complete_ctx;
2081:
2082: lf = el_line(el);
2083: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1.203 djm 2084: fatal_f("el_get failed");
1.116 djm 2085:
2086: /* Figure out which argument the cursor points to */
2087: cursor = lf->cursor - lf->buffer;
1.171 deraadt 2088: line = xmalloc(cursor + 1);
1.116 djm 2089: memcpy(line, lf->buffer, cursor);
2090: line[cursor] = '\0';
2091: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 2092: free(line);
1.116 djm 2093:
2094: /* Get all the arguments on the line */
2095: len = lf->lastchar - lf->buffer;
1.171 deraadt 2096: line = xmalloc(len + 1);
1.116 djm 2097: memcpy(line, lf->buffer, len);
2098: line[len] = '\0';
2099: argv = makeargv(line, &argc, 1, NULL, NULL);
2100:
2101: /* Ensure cursor is at EOL or a argument boundary */
2102: if (line[cursor] != ' ' && line[cursor] != '\0' &&
2103: line[cursor] != '\n') {
1.145 djm 2104: free(line);
1.116 djm 2105: return ret;
2106: }
2107:
2108: if (carg == 0) {
2109: /* Show all available commands */
2110: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
2111: ret = CC_REDISPLAY;
2112: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
2113: /* Handle the command parsing */
2114: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 2115: quote, terminated) != 0)
1.116 djm 2116: ret = CC_REDISPLAY;
2117: } else if (carg >= 1) {
2118: /* Handle file parsing */
1.220 ! djm 2119: int remote = 0;
! 2120: int i = 0, cmdarg = 0;
1.116 djm 2121: char *filematch = NULL;
2122:
2123: if (carg > 1 && line[cursor-1] != ' ')
2124: filematch = argv[carg - 1];
1.220 ! djm 2125:
! 2126: for (i = 1; i < carg; i++) {
! 2127: /* Skip flags */
! 2128: if (argv[i][0] != '-')
! 2129: cmdarg++;
! 2130: }
! 2131:
! 2132: /*
! 2133: * If previous argument is complete, then offer completion
! 2134: * on the next one.
! 2135: */
! 2136: if (line[cursor - 1] == ' ')
! 2137: cmdarg++;
! 2138:
! 2139: remote = complete_is_remote(argv[0], cmdarg);
1.116 djm 2140:
1.219 djm 2141: if ((remote == REMOTE || remote == LOCAL) &&
1.116 djm 2142: complete_match(el, complete_ctx->conn,
2143: *complete_ctx->remote_pathp, filematch,
1.149 djm 2144: remote, carg == argc, quote, terminated) != 0)
1.116 djm 2145: ret = CC_REDISPLAY;
2146: }
2147:
1.149 djm 2148: free(line);
1.116 djm 2149: return ret;
2150: }
2151:
1.182 djm 2152: static int
1.112 djm 2153: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 2154: {
1.116 djm 2155: char *remote_path;
1.182 djm 2156: char *dir = NULL, *startdir = NULL;
1.44 djm 2157: char cmd[2048];
1.66 jaredy 2158: int err, interactive;
1.57 djm 2159: EditLine *el = NULL;
2160: History *hl = NULL;
2161: HistEvent hev;
2162: extern char *__progname;
1.116 djm 2163: struct complete_ctx complete_ctx;
1.57 djm 2164:
2165: if (!batchmode && isatty(STDIN_FILENO)) {
2166: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
2167: fatal("Couldn't initialise editline");
2168: if ((hl = history_init()) == NULL)
2169: fatal("Couldn't initialise editline history");
2170: history(hl, &hev, H_SETSIZE, 100);
2171: el_set(el, EL_HIST, history, hl);
2172:
2173: el_set(el, EL_PROMPT, prompt);
2174: el_set(el, EL_EDITOR, "emacs");
2175: el_set(el, EL_TERMINAL, NULL);
2176: el_set(el, EL_SIGNAL, 1);
2177: el_source(el, NULL);
1.116 djm 2178:
2179: /* Tab Completion */
1.149 djm 2180: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 2181: "Context sensitive argument completion", complete);
1.116 djm 2182: complete_ctx.conn = conn;
2183: complete_ctx.remote_pathp = &remote_path;
2184: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
2185: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 2186: /* enable ctrl-left-arrow and ctrl-right-arrow */
2187: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
1.194 tb 2188: el_set(el, EL_BIND, "\\e\\e[C", "em-next-word", NULL);
1.154 djm 2189: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2190: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2191: /* make ^w match ksh behaviour */
2192: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2193: }
1.44 djm 2194:
1.116 djm 2195: remote_path = do_realpath(conn, ".");
2196: if (remote_path == NULL)
1.44 djm 2197: fatal("Need cwd");
1.182 djm 2198: startdir = xstrdup(remote_path);
1.44 djm 2199:
2200: if (file1 != NULL) {
2201: dir = xstrdup(file1);
1.116 djm 2202: dir = make_absolute(dir, remote_path);
1.44 djm 2203:
2204: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2205: if (!quiet)
1.174 schwarze 2206: mprintf("Changing to: %s\n", dir);
1.44 djm 2207: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2208: if (parse_dispatch_command(conn, cmd,
1.187 djm 2209: &remote_path, startdir, 1, 0) != 0) {
1.145 djm 2210: free(dir);
1.182 djm 2211: free(startdir);
1.145 djm 2212: free(remote_path);
2213: free(conn);
1.44 djm 2214: return (-1);
1.58 markus 2215: }
1.44 djm 2216: } else {
1.137 djm 2217: /* XXX this is wrong wrt quoting */
1.148 djm 2218: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2219: global_aflag ? " -a" : "", dir,
2220: file2 == NULL ? "" : " ",
2221: file2 == NULL ? "" : file2);
1.116 djm 2222: err = parse_dispatch_command(conn, cmd,
1.187 djm 2223: &remote_path, startdir, 1, 0);
1.145 djm 2224: free(dir);
1.182 djm 2225: free(startdir);
1.145 djm 2226: free(remote_path);
2227: free(conn);
1.44 djm 2228: return (err);
2229: }
1.145 djm 2230: free(dir);
1.44 djm 2231: }
2232:
1.168 millert 2233: setvbuf(stdout, NULL, _IOLBF, 0);
2234: setvbuf(infile, NULL, _IOLBF, 0);
1.44 djm 2235:
1.66 jaredy 2236: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2237: err = 0;
2238: for (;;) {
1.212 schwarze 2239: struct sigaction sa;
1.57 djm 2240: const char *line;
2241: int count = 0;
1.44 djm 2242:
1.212 schwarze 2243: interrupted = 0;
2244: memset(&sa, 0, sizeof(sa));
2245: sa.sa_handler = interactive ? read_interrupt : killchild;
2246: if (sigaction(SIGINT, &sa, NULL) == -1) {
2247: debug3("sigaction(%s): %s", strsignal(SIGINT),
2248: strerror(errno));
2249: break;
2250: }
1.57 djm 2251: if (el == NULL) {
1.66 jaredy 2252: if (interactive)
2253: printf("sftp> ");
1.57 djm 2254: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2255: if (interactive)
2256: printf("\n");
1.212 schwarze 2257: if (interrupted)
2258: continue;
1.57 djm 2259: break;
2260: }
2261: } else {
1.116 djm 2262: if ((line = el_gets(el, &count)) == NULL ||
2263: count <= 0) {
1.66 jaredy 2264: printf("\n");
1.211 schwarze 2265: if (interrupted)
2266: continue;
1.57 djm 2267: break;
1.66 jaredy 2268: }
1.57 djm 2269: history(hl, &hev, H_ENTER, line);
2270: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2271: fprintf(stderr, "Error: input line too long\n");
2272: continue;
2273: }
1.44 djm 2274: }
2275:
1.187 djm 2276: cmd[strcspn(cmd, "\n")] = '\0';
1.44 djm 2277:
1.46 djm 2278: /* Handle user interrupts gracefully during commands */
2279: interrupted = 0;
1.197 dtucker 2280: ssh_signal(SIGINT, cmd_interrupt);
1.46 djm 2281:
1.116 djm 2282: err = parse_dispatch_command(conn, cmd, &remote_path,
1.187 djm 2283: startdir, batchmode, !interactive && el == NULL);
1.44 djm 2284: if (err != 0)
2285: break;
2286: }
1.197 dtucker 2287: ssh_signal(SIGCHLD, SIG_DFL);
1.145 djm 2288: free(remote_path);
1.182 djm 2289: free(startdir);
1.145 djm 2290: free(conn);
1.66 jaredy 2291:
2292: if (el != NULL)
2293: el_end(el);
1.44 djm 2294:
2295: /* err == 1 signifies normal "quit" exit */
2296: return (err >= 0 ? 0 : -1);
2297: }
1.34 fgsch 2298:
1.18 itojun 2299: static void
1.36 djm 2300: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2301: {
1.213 djm 2302: int c_in, c_out, inout[2];
1.30 deraadt 2303:
1.1 djm 2304: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2305: fatal("socketpair: %s", strerror(errno));
2306: *in = *out = inout[0];
2307: c_in = c_out = inout[1];
2308:
1.36 djm 2309: if ((sshpid = fork()) == -1)
1.1 djm 2310: fatal("fork: %s", strerror(errno));
1.36 djm 2311: else if (sshpid == 0) {
1.1 djm 2312: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2313: (dup2(c_out, STDOUT_FILENO) == -1)) {
2314: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2315: _exit(1);
1.1 djm 2316: }
2317: close(*in);
2318: close(*out);
2319: close(c_in);
2320: close(c_out);
1.46 djm 2321:
2322: /*
2323: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2324: * ignore SIGINT if we want to gracefully abort commands,
2325: * otherwise the signal will make it to the ssh process and
1.122 guenther 2326: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2327: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2328: */
1.197 dtucker 2329: ssh_signal(SIGINT, SIG_IGN);
2330: ssh_signal(SIGTERM, SIG_DFL);
1.49 dtucker 2331: execvp(path, args);
1.23 djm 2332: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2333: _exit(1);
1.1 djm 2334: }
2335:
1.197 dtucker 2336: ssh_signal(SIGTERM, killchild);
2337: ssh_signal(SIGINT, killchild);
2338: ssh_signal(SIGHUP, killchild);
2339: ssh_signal(SIGTSTP, suspchild);
2340: ssh_signal(SIGTTIN, suspchild);
2341: ssh_signal(SIGTTOU, suspchild);
2342: ssh_signal(SIGCHLD, sigchld_handler);
1.1 djm 2343: close(c_in);
2344: close(c_out);
2345: }
2346:
1.18 itojun 2347: static void
1.1 djm 2348: usage(void)
2349: {
1.25 mpech 2350: extern char *__progname;
1.27 markus 2351:
1.19 stevesk 2352: fprintf(stderr,
1.201 djm 2353: "usage: %s [-46AaCfNpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.218 jmc 2354: " [-D sftp_server_command] [-F ssh_config] [-i identity_file]\n"
1.190 tb 2355: " [-J destination] [-l limit] [-o ssh_option] [-P port]\n"
2356: " [-R num_requests] [-S program] [-s subsystem | sftp_server]\n"
2357: " destination\n",
1.181 millert 2358: __progname);
1.1 djm 2359: exit(1);
2360: }
2361:
1.2 stevesk 2362: int
1.1 djm 2363: main(int argc, char **argv)
2364: {
1.217 djm 2365: int r, in, out, ch, err, tmp, port = -1, noisy = 0;
2366: char *host = NULL, *user, *cp, **cpp, *file2 = NULL;
1.198 dtucker 2367: int debug_level = 0;
1.17 mouring 2368: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2369: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2370: const char *errstr;
1.17 mouring 2371: LogLevel ll = SYSLOG_LEVEL_INFO;
2372: arglist args;
1.3 djm 2373: extern int optind;
2374: extern char *optarg;
1.112 djm 2375: struct sftp_conn *conn;
1.207 djm 2376: size_t copy_buffer_len = 0;
2377: size_t num_requests = 0;
1.126 djm 2378: long long limit_kbps = 0;
1.67 djm 2379:
2380: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2381: sanitise_stdfd();
1.146 dtucker 2382: setlocale(LC_CTYPE, "");
1.1 djm 2383:
1.70 djm 2384: memset(&args, '\0', sizeof(args));
1.17 mouring 2385: args.list = NULL;
1.80 djm 2386: addargs(&args, "%s", ssh_program);
1.17 mouring 2387: addargs(&args, "-oForwardX11 no");
1.69 reyk 2388: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2389: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2390:
1.17 mouring 2391: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2392: infile = stdin;
1.3 djm 2393:
1.109 djm 2394: while ((ch = getopt(argc, argv,
1.201 djm 2395: "1246AafhNpqrvCc:D:i:l:o:s:S:b:B:F:J:P:R:")) != -1) {
1.3 djm 2396: switch (ch) {
1.108 djm 2397: /* Passed through to ssh(1) */
1.201 djm 2398: case 'A':
1.108 djm 2399: case '4':
2400: case '6':
1.3 djm 2401: case 'C':
1.108 djm 2402: addargs(&args, "-%c", ch);
2403: break;
2404: /* Passed through to ssh(1) with argument */
2405: case 'F':
1.190 tb 2406: case 'J':
1.108 djm 2407: case 'c':
2408: case 'i':
2409: case 'o':
1.113 halex 2410: addargs(&args, "-%c", ch);
2411: addargs(&args, "%s", optarg);
1.108 djm 2412: break;
2413: case 'q':
1.143 djm 2414: ll = SYSLOG_LEVEL_ERROR;
2415: quiet = 1;
1.108 djm 2416: showprogress = 0;
2417: addargs(&args, "-%c", ch);
1.3 djm 2418: break;
1.109 djm 2419: case 'P':
1.181 millert 2420: port = a2port(optarg);
2421: if (port <= 0)
2422: fatal("Bad port \"%s\"\n", optarg);
1.109 djm 2423: break;
1.3 djm 2424: case 'v':
1.17 mouring 2425: if (debug_level < 3) {
2426: addargs(&args, "-v");
2427: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2428: }
2429: debug_level++;
1.3 djm 2430: break;
1.7 markus 2431: case '1':
1.198 dtucker 2432: fatal("SSH protocol v.1 is no longer supported");
1.7 markus 2433: break;
1.108 djm 2434: case '2':
1.198 dtucker 2435: /* accept silently */
1.148 djm 2436: break;
2437: case 'a':
2438: global_aflag = 1;
1.7 markus 2439: break;
1.108 djm 2440: case 'B':
2441: copy_buffer_len = strtol(optarg, &cp, 10);
2442: if (copy_buffer_len == 0 || *cp != '\0')
2443: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2444: break;
1.10 deraadt 2445: case 'b':
1.39 djm 2446: if (batchmode)
2447: fatal("Batch file already specified.");
2448:
2449: /* Allow "-" as stdin */
1.56 deraadt 2450: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2451: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2452: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2453: showprogress = 0;
1.143 djm 2454: quiet = batchmode = 1;
1.62 djm 2455: addargs(&args, "-obatchmode yes");
1.156 djm 2456: break;
2457: case 'f':
2458: global_fflag = 1;
1.10 deraadt 2459: break;
1.199 djm 2460: case 'N':
2461: noisy = 1; /* Used to clear quiet mode after getopt */
2462: break;
1.111 djm 2463: case 'p':
2464: global_pflag = 1;
2465: break;
1.109 djm 2466: case 'D':
1.23 djm 2467: sftp_direct = optarg;
1.111 djm 2468: break;
1.126 djm 2469: case 'l':
2470: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2471: &errstr);
2472: if (errstr != NULL)
2473: usage();
2474: limit_kbps *= 1024; /* kbps */
2475: break;
1.111 djm 2476: case 'r':
2477: global_rflag = 1;
1.24 djm 2478: break;
1.26 djm 2479: case 'R':
2480: num_requests = strtol(optarg, &cp, 10);
2481: if (num_requests == 0 || *cp != '\0')
1.27 markus 2482: fatal("Invalid number of requests \"%s\"",
1.26 djm 2483: optarg);
1.108 djm 2484: break;
2485: case 's':
2486: sftp_server = optarg;
2487: break;
2488: case 'S':
2489: ssh_program = optarg;
2490: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2491: break;
1.3 djm 2492: case 'h':
2493: default:
1.1 djm 2494: usage();
2495: }
2496: }
1.201 djm 2497:
2498: /* Do this last because we want the user to be able to override it */
2499: addargs(&args, "-oForwardAgent no");
1.45 djm 2500:
2501: if (!isatty(STDERR_FILENO))
2502: showprogress = 0;
1.199 djm 2503:
2504: if (noisy)
2505: quiet = 0;
1.1 djm 2506:
1.29 markus 2507: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2508:
1.23 djm 2509: if (sftp_direct == NULL) {
2510: if (optind == argc || argc > (optind + 2))
2511: usage();
1.181 millert 2512: argv += optind;
1.23 djm 2513:
1.181 millert 2514: switch (parse_uri("sftp", *argv, &user, &host, &tmp, &file1)) {
2515: case -1:
2516: usage();
2517: break;
2518: case 0:
2519: if (tmp != -1)
2520: port = tmp;
2521: break;
2522: default:
1.192 dtucker 2523: /* Try with user, host and path. */
1.181 millert 2524: if (parse_user_host_path(*argv, &user, &host,
1.192 dtucker 2525: &file1) == 0)
2526: break;
2527: /* Try with user and host. */
2528: if (parse_user_host_port(*argv, &user, &host, NULL)
2529: == 0)
2530: break;
2531: /* Treat as a plain hostname. */
2532: host = xstrdup(*argv);
2533: host = cleanhostname(host);
1.181 millert 2534: break;
1.23 djm 2535: }
1.181 millert 2536: file2 = *(argv + 1);
1.3 djm 2537:
1.23 djm 2538: if (!*host) {
2539: fprintf(stderr, "Missing hostname\n");
1.1 djm 2540: usage();
2541: }
2542:
1.181 millert 2543: if (port != -1)
2544: addargs(&args, "-oPort %d", port);
2545: if (user != NULL) {
2546: addargs(&args, "-l");
2547: addargs(&args, "%s", user);
2548: }
1.23 djm 2549:
2550: /* no subsystem if the server-spec contains a '/' */
2551: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2552: addargs(&args, "-s");
2553:
1.115 guenther 2554: addargs(&args, "--");
1.23 djm 2555: addargs(&args, "%s", host);
1.27 markus 2556: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2557: sftp_server : "sftp"));
2558:
1.36 djm 2559: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2560: } else {
1.217 djm 2561: if ((r = argv_split(sftp_direct, &tmp, &cpp, 1)) != 0)
2562: fatal_r(r, "Parse -D arguments");
2563: if (cpp[0] == 0)
2564: fatal("No sftp server specified via -D");
2565: connect_to_server(cpp[0], cpp, &in, &out);
2566: argv_free(cpp, tmp);
1.1 djm 2567: }
1.70 djm 2568: freeargs(&args);
1.1 djm 2569:
1.126 djm 2570: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2571: if (conn == NULL)
2572: fatal("Couldn't initialise connection to server");
2573:
1.143 djm 2574: if (!quiet) {
1.112 djm 2575: if (sftp_direct == NULL)
2576: fprintf(stderr, "Connected to %s.\n", host);
2577: else
2578: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2579: }
2580:
2581: err = interactive_loop(conn, file1, file2);
1.1 djm 2582:
2583: close(in);
2584: close(out);
1.39 djm 2585: if (batchmode)
1.10 deraadt 2586: fclose(infile);
1.1 djm 2587:
1.185 bluhm 2588: while (waitpid(sshpid, NULL, 0) == -1 && sshpid > 1)
1.28 markus 2589: if (errno != EINTR)
2590: fatal("Couldn't wait for ssh process: %s",
2591: strerror(errno));
1.1 djm 2592:
1.33 djm 2593: exit(err == 0 ? 0 : 1);
1.1 djm 2594: }
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