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1.127 ! jmc 1: /* $OpenBSD: sftp.c,v 1.126 2010/09/22 22:58:51 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>
1.88 stevesk 23: #include <sys/param.h>
1.100 djm 24: #include <sys/statvfs.h>
1.44 djm 25:
1.97 djm 26: #include <ctype.h>
1.85 stevesk 27: #include <errno.h>
1.44 djm 28: #include <glob.h>
1.57 djm 29: #include <histedit.h>
1.71 stevesk 30: #include <paths.h>
1.111 djm 31: #include <libgen.h>
1.74 stevesk 32: #include <signal.h>
1.89 stevesk 33: #include <stdlib.h>
1.90 stevesk 34: #include <stdio.h>
1.87 stevesk 35: #include <string.h>
1.86 stevesk 36: #include <unistd.h>
1.100 djm 37: #include <util.h>
1.91 deraadt 38: #include <stdarg.h>
1.1 djm 39:
40: #include "xmalloc.h"
41: #include "log.h"
42: #include "pathnames.h"
1.16 mouring 43: #include "misc.h"
1.1 djm 44:
45: #include "sftp.h"
1.91 deraadt 46: #include "buffer.h"
1.1 djm 47: #include "sftp-common.h"
48: #include "sftp-client.h"
1.43 djm 49:
1.112 djm 50: #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
51: #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
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 */
1.36 djm 60: static pid_t sshpid = -1;
1.7 markus 61:
1.44 djm 62: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 63: int showprogress = 1;
1.44 djm 64:
1.111 djm 65: /* When this option is set, we always recursively download/upload directories */
66: int global_rflag = 0;
67:
68: /* When this option is set, the file transfers will always preserve times */
69: int global_pflag = 0;
70:
1.46 djm 71: /* SIGINT received during command processing */
72: volatile sig_atomic_t interrupted = 0;
73:
1.52 djm 74: /* I wish qsort() took a separate ctx for the comparison function...*/
75: int sort_flag;
76:
1.116 djm 77: /* Context used for commandline completion */
78: struct complete_ctx {
79: struct sftp_conn *conn;
80: char **remote_pathp;
81: };
82:
1.44 djm 83: int remote_glob(struct sftp_conn *, const char *, int,
84: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
85:
86: /* Separators for interactive commands */
87: #define WHITESPACE " \t\r\n"
88:
1.52 djm 89: /* ls flags */
1.119 djm 90: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
91: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
92: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
93: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
94: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
95: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
96: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
97: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
98: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 99:
1.119 djm 100: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 101: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 102:
103: /* Commands for interactive mode */
104: #define I_CHDIR 1
105: #define I_CHGRP 2
106: #define I_CHMOD 3
107: #define I_CHOWN 4
1.100 djm 108: #define I_DF 24
1.44 djm 109: #define I_GET 5
110: #define I_HELP 6
111: #define I_LCHDIR 7
112: #define I_LLS 8
113: #define I_LMKDIR 9
114: #define I_LPWD 10
115: #define I_LS 11
116: #define I_LUMASK 12
117: #define I_MKDIR 13
118: #define I_PUT 14
119: #define I_PWD 15
120: #define I_QUIT 16
121: #define I_RENAME 17
122: #define I_RM 18
123: #define I_RMDIR 19
124: #define I_SHELL 20
125: #define I_SYMLINK 21
126: #define I_VERSION 22
127: #define I_PROGRESS 23
128:
129: struct CMD {
130: const char *c;
131: const int n;
1.116 djm 132: const int t;
1.44 djm 133: };
134:
1.116 djm 135: /* Type of completion */
136: #define NOARGS 0
137: #define REMOTE 1
138: #define LOCAL 2
139:
1.44 djm 140: static const struct CMD cmds[] = {
1.116 djm 141: { "bye", I_QUIT, NOARGS },
142: { "cd", I_CHDIR, REMOTE },
143: { "chdir", I_CHDIR, REMOTE },
144: { "chgrp", I_CHGRP, REMOTE },
145: { "chmod", I_CHMOD, REMOTE },
146: { "chown", I_CHOWN, REMOTE },
147: { "df", I_DF, REMOTE },
148: { "dir", I_LS, REMOTE },
149: { "exit", I_QUIT, NOARGS },
150: { "get", I_GET, REMOTE },
151: { "help", I_HELP, NOARGS },
152: { "lcd", I_LCHDIR, LOCAL },
153: { "lchdir", I_LCHDIR, LOCAL },
154: { "lls", I_LLS, LOCAL },
155: { "lmkdir", I_LMKDIR, LOCAL },
156: { "ln", I_SYMLINK, REMOTE },
157: { "lpwd", I_LPWD, LOCAL },
158: { "ls", I_LS, REMOTE },
159: { "lumask", I_LUMASK, NOARGS },
160: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 161: { "mget", I_GET, REMOTE },
162: { "mput", I_PUT, LOCAL },
1.116 djm 163: { "progress", I_PROGRESS, NOARGS },
164: { "put", I_PUT, LOCAL },
165: { "pwd", I_PWD, REMOTE },
166: { "quit", I_QUIT, NOARGS },
167: { "rename", I_RENAME, REMOTE },
168: { "rm", I_RM, REMOTE },
169: { "rmdir", I_RMDIR, REMOTE },
170: { "symlink", I_SYMLINK, REMOTE },
171: { "version", I_VERSION, NOARGS },
172: { "!", I_SHELL, NOARGS },
173: { "?", I_HELP, NOARGS },
174: { NULL, -1, -1 }
1.44 djm 175: };
176:
1.112 djm 177: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 178:
1.96 stevesk 179: /* ARGSUSED */
1.44 djm 180: static void
1.46 djm 181: killchild(int signo)
182: {
1.61 dtucker 183: if (sshpid > 1) {
1.46 djm 184: kill(sshpid, SIGTERM);
1.61 dtucker 185: waitpid(sshpid, NULL, 0);
186: }
1.46 djm 187:
188: _exit(1);
189: }
190:
1.96 stevesk 191: /* ARGSUSED */
1.46 djm 192: static void
193: cmd_interrupt(int signo)
194: {
195: const char msg[] = "\rInterrupt \n";
1.59 djm 196: int olderrno = errno;
1.46 djm 197:
198: write(STDERR_FILENO, msg, sizeof(msg) - 1);
199: interrupted = 1;
1.59 djm 200: errno = olderrno;
1.46 djm 201: }
202:
203: static void
1.44 djm 204: help(void)
205: {
1.106 sobrado 206: printf("Available commands:\n"
207: "bye Quit sftp\n"
208: "cd path Change remote directory to 'path'\n"
209: "chgrp grp path Change group of file 'path' to 'grp'\n"
210: "chmod mode path Change permissions of file 'path' to 'mode'\n"
211: "chown own path Change owner of file 'path' to 'own'\n"
212: "df [-hi] [path] Display statistics for current directory or\n"
213: " filesystem containing 'path'\n"
214: "exit Quit sftp\n"
1.121 jmc 215: "get [-Ppr] remote [local] Download file\n"
1.106 sobrado 216: "help Display this help text\n"
217: "lcd path Change local directory to 'path'\n"
218: "lls [ls-options [path]] Display local directory listing\n"
219: "lmkdir path Create local directory\n"
220: "ln oldpath newpath Symlink remote file\n"
221: "lpwd Print local working directory\n"
1.121 jmc 222: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 223: "lumask umask Set local umask to 'umask'\n"
224: "mkdir path Create remote directory\n"
225: "progress Toggle display of progress meter\n"
1.121 jmc 226: "put [-Ppr] local [remote] Upload file\n"
1.106 sobrado 227: "pwd Display remote working directory\n"
228: "quit Quit sftp\n"
229: "rename oldpath newpath Rename remote file\n"
230: "rm path Delete remote file\n"
231: "rmdir path Remove remote directory\n"
232: "symlink oldpath newpath Symlink remote file\n"
233: "version Show SFTP version\n"
234: "!command Execute 'command' in local shell\n"
235: "! Escape to local shell\n"
236: "? Synonym for help\n");
1.44 djm 237: }
238:
239: static void
240: local_do_shell(const char *args)
241: {
242: int status;
243: char *shell;
244: pid_t pid;
245:
246: if (!*args)
247: args = NULL;
248:
249: if ((shell = getenv("SHELL")) == NULL)
250: shell = _PATH_BSHELL;
251:
252: if ((pid = fork()) == -1)
253: fatal("Couldn't fork: %s", strerror(errno));
254:
255: if (pid == 0) {
256: /* XXX: child has pipe fds to ssh subproc open - issue? */
257: if (args) {
258: debug3("Executing %s -c \"%s\"", shell, args);
259: execl(shell, shell, "-c", args, (char *)NULL);
260: } else {
261: debug3("Executing %s", shell);
262: execl(shell, shell, (char *)NULL);
263: }
264: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
265: strerror(errno));
266: _exit(1);
267: }
268: while (waitpid(pid, &status, 0) == -1)
269: if (errno != EINTR)
270: fatal("Couldn't wait for child: %s", strerror(errno));
271: if (!WIFEXITED(status))
1.78 djm 272: error("Shell exited abnormally");
1.44 djm 273: else if (WEXITSTATUS(status))
274: error("Shell exited with status %d", WEXITSTATUS(status));
275: }
276:
277: static void
278: local_do_ls(const char *args)
279: {
280: if (!args || !*args)
281: local_do_shell(_PATH_LS);
282: else {
283: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
284: char *buf = xmalloc(len);
285:
286: /* XXX: quoting - rip quoting code from ftp? */
287: snprintf(buf, len, _PATH_LS " %s", args);
288: local_do_shell(buf);
289: xfree(buf);
290: }
291: }
292:
293: /* Strip one path (usually the pwd) from the start of another */
294: static char *
295: path_strip(char *path, char *strip)
296: {
297: size_t len;
298:
299: if (strip == NULL)
300: return (xstrdup(path));
301:
302: len = strlen(strip);
1.59 djm 303: if (strncmp(path, strip, len) == 0) {
1.44 djm 304: if (strip[len - 1] != '/' && path[len] == '/')
305: len++;
306: return (xstrdup(path + len));
307: }
308:
309: return (xstrdup(path));
310: }
311:
312: static char *
313: make_absolute(char *p, char *pwd)
314: {
1.51 avsm 315: char *abs_str;
1.44 djm 316:
317: /* Derelativise */
318: if (p && p[0] != '/') {
1.51 avsm 319: abs_str = path_append(pwd, p);
1.44 djm 320: xfree(p);
1.51 avsm 321: return(abs_str);
1.44 djm 322: } else
323: return(p);
324: }
325:
326: static int
1.111 djm 327: parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag,
328: int *rflag)
1.44 djm 329: {
1.102 martynas 330: extern int opterr, optind, optopt, optreset;
1.97 djm 331: int ch;
1.44 djm 332:
1.97 djm 333: optind = optreset = 1;
334: opterr = 0;
335:
1.111 djm 336: *rflag = *pflag = 0;
337: while ((ch = getopt(argc, argv, "PpRr")) != -1) {
1.97 djm 338: switch (ch) {
1.44 djm 339: case 'p':
340: case 'P':
341: *pflag = 1;
342: break;
1.111 djm 343: case 'r':
344: case 'R':
345: *rflag = 1;
346: break;
1.44 djm 347: default:
1.102 martynas 348: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 349: return -1;
1.44 djm 350: }
351: }
352:
1.97 djm 353: return optind;
1.44 djm 354: }
355:
356: static int
1.97 djm 357: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 358: {
1.102 martynas 359: extern int opterr, optind, optopt, optreset;
1.97 djm 360: int ch;
361:
362: optind = optreset = 1;
363: opterr = 0;
1.44 djm 364:
1.53 djm 365: *lflag = LS_NAME_SORT;
1.119 djm 366: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 367: switch (ch) {
368: case '1':
369: *lflag &= ~VIEW_FLAGS;
370: *lflag |= LS_SHORT_VIEW;
371: break;
372: case 'S':
373: *lflag &= ~SORT_FLAGS;
374: *lflag |= LS_SIZE_SORT;
375: break;
376: case 'a':
377: *lflag |= LS_SHOW_ALL;
378: break;
379: case 'f':
380: *lflag &= ~SORT_FLAGS;
381: break;
1.119 djm 382: case 'h':
383: *lflag |= LS_SI_UNITS;
384: break;
1.97 djm 385: case 'l':
1.119 djm 386: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 387: *lflag |= LS_LONG_VIEW;
388: break;
389: case 'n':
1.119 djm 390: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 391: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
392: break;
393: case 'r':
394: *lflag |= LS_REVERSE_SORT;
395: break;
396: case 't':
397: *lflag &= ~SORT_FLAGS;
398: *lflag |= LS_TIME_SORT;
399: break;
400: default:
1.102 martynas 401: error("ls: Invalid flag -%c", optopt);
1.97 djm 402: return -1;
1.44 djm 403: }
404: }
405:
1.97 djm 406: return optind;
1.44 djm 407: }
408:
409: static int
1.100 djm 410: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
411: {
1.102 martynas 412: extern int opterr, optind, optopt, optreset;
1.100 djm 413: int ch;
414:
415: optind = optreset = 1;
416: opterr = 0;
417:
418: *hflag = *iflag = 0;
419: while ((ch = getopt(argc, argv, "hi")) != -1) {
420: switch (ch) {
421: case 'h':
422: *hflag = 1;
423: break;
424: case 'i':
425: *iflag = 1;
426: break;
427: default:
1.102 martynas 428: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 429: return -1;
430: }
431: }
432:
433: return optind;
434: }
435:
436: static int
1.44 djm 437: is_dir(char *path)
438: {
439: struct stat sb;
440:
441: /* XXX: report errors? */
442: if (stat(path, &sb) == -1)
443: return(0);
444:
1.92 otto 445: return(S_ISDIR(sb.st_mode));
1.44 djm 446: }
447:
448: static int
449: remote_is_dir(struct sftp_conn *conn, char *path)
450: {
451: Attrib *a;
452:
453: /* XXX: report errors? */
454: if ((a = do_stat(conn, path, 1)) == NULL)
455: return(0);
456: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
457: return(0);
1.92 otto 458: return(S_ISDIR(a->perm));
1.44 djm 459: }
460:
1.111 djm 461: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
462: static int
463: pathname_is_dir(char *pathname)
464: {
465: size_t l = strlen(pathname);
466:
467: return l > 0 && pathname[l - 1] == '/';
468: }
469:
1.44 djm 470: static int
1.111 djm 471: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
472: int pflag, int rflag)
1.44 djm 473: {
474: char *abs_src = NULL;
475: char *abs_dst = NULL;
476: glob_t g;
1.111 djm 477: char *filename, *tmp=NULL;
478: int i, err = 0;
1.44 djm 479:
480: abs_src = xstrdup(src);
481: abs_src = make_absolute(abs_src, pwd);
1.111 djm 482: memset(&g, 0, sizeof(g));
1.44 djm 483:
484: debug3("Looking up %s", abs_src);
1.111 djm 485: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 486: error("File \"%s\" not found.", abs_src);
487: err = -1;
488: goto out;
489: }
490:
1.111 djm 491: /*
492: * If multiple matches then dst must be a directory or
493: * unspecified.
494: */
495: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
496: error("Multiple source paths, but destination "
497: "\"%s\" is not a directory", dst);
1.44 djm 498: err = -1;
499: goto out;
500: }
501:
1.46 djm 502: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 503: tmp = xstrdup(g.gl_pathv[i]);
504: if ((filename = basename(tmp)) == NULL) {
505: error("basename %s: %s", tmp, strerror(errno));
506: xfree(tmp);
1.44 djm 507: err = -1;
508: goto out;
509: }
510:
511: if (g.gl_matchc == 1 && dst) {
512: if (is_dir(dst)) {
1.111 djm 513: abs_dst = path_append(dst, filename);
514: } else {
1.44 djm 515: abs_dst = xstrdup(dst);
1.111 djm 516: }
1.44 djm 517: } else if (dst) {
1.111 djm 518: abs_dst = path_append(dst, filename);
519: } else {
520: abs_dst = xstrdup(filename);
521: }
522: xfree(tmp);
1.44 djm 523:
524: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 525: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
526: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
527: pflag || global_pflag, 1) == -1)
528: err = -1;
529: } else {
530: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
531: pflag || global_pflag) == -1)
532: err = -1;
533: }
1.44 djm 534: xfree(abs_dst);
535: abs_dst = NULL;
536: }
537:
538: out:
539: xfree(abs_src);
540: globfree(&g);
541: return(err);
542: }
543:
544: static int
1.111 djm 545: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
546: int pflag, int rflag)
1.44 djm 547: {
548: char *tmp_dst = NULL;
549: char *abs_dst = NULL;
1.111 djm 550: char *tmp = NULL, *filename = NULL;
1.44 djm 551: glob_t g;
552: int err = 0;
1.111 djm 553: int i, dst_is_dir = 1;
1.99 djm 554: struct stat sb;
1.44 djm 555:
556: if (dst) {
557: tmp_dst = xstrdup(dst);
558: tmp_dst = make_absolute(tmp_dst, pwd);
559: }
560:
561: memset(&g, 0, sizeof(g));
562: debug3("Looking up %s", src);
1.111 djm 563: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 564: error("File \"%s\" not found.", src);
565: err = -1;
566: goto out;
567: }
568:
1.111 djm 569: /* If we aren't fetching to pwd then stash this status for later */
570: if (tmp_dst != NULL)
571: dst_is_dir = remote_is_dir(conn, tmp_dst);
572:
1.44 djm 573: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 574: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
575: error("Multiple paths match, but destination "
576: "\"%s\" is not a directory", tmp_dst);
1.44 djm 577: err = -1;
578: goto out;
579: }
580:
1.46 djm 581: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 582: if (stat(g.gl_pathv[i], &sb) == -1) {
583: err = -1;
584: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
585: continue;
586: }
1.111 djm 587:
588: tmp = xstrdup(g.gl_pathv[i]);
589: if ((filename = basename(tmp)) == NULL) {
590: error("basename %s: %s", tmp, strerror(errno));
591: xfree(tmp);
1.44 djm 592: err = -1;
593: goto out;
594: }
595:
596: if (g.gl_matchc == 1 && tmp_dst) {
597: /* If directory specified, append filename */
1.111 djm 598: if (dst_is_dir)
599: abs_dst = path_append(tmp_dst, filename);
600: else
1.44 djm 601: abs_dst = xstrdup(tmp_dst);
602: } else if (tmp_dst) {
1.111 djm 603: abs_dst = path_append(tmp_dst, filename);
604: } else {
605: abs_dst = make_absolute(xstrdup(filename), pwd);
606: }
607: xfree(tmp);
1.44 djm 608:
609: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 610: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
611: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
612: pflag || global_pflag, 1) == -1)
613: err = -1;
614: } else {
615: if (do_upload(conn, g.gl_pathv[i], abs_dst,
616: pflag || global_pflag) == -1)
617: err = -1;
618: }
1.44 djm 619: }
620:
621: out:
622: if (abs_dst)
623: xfree(abs_dst);
624: if (tmp_dst)
625: xfree(tmp_dst);
626: globfree(&g);
627: return(err);
628: }
629:
630: static int
631: sdirent_comp(const void *aa, const void *bb)
632: {
633: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
634: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 635: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 636:
1.52 djm 637: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 638: if (sort_flag & LS_NAME_SORT)
1.52 djm 639: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 640: else if (sort_flag & LS_TIME_SORT)
1.52 djm 641: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 642: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 643: return (rmul * NCMP(a->a.size, b->a.size));
644:
645: fatal("Unknown ls sort type");
1.44 djm 646: }
647:
648: /* sftp ls.1 replacement for directories */
649: static int
650: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
651: {
1.64 djm 652: int n;
653: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 654: SFTP_DIRENT **d;
655:
656: if ((n = do_readdir(conn, path, &d)) != 0)
657: return (n);
658:
1.53 djm 659: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 660: u_int m = 0, width = 80;
1.44 djm 661: struct winsize ws;
662: char *tmp;
663:
664: /* Count entries for sort and find longest filename */
1.54 djm 665: for (n = 0; d[n] != NULL; n++) {
666: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
667: m = MAX(m, strlen(d[n]->filename));
668: }
1.44 djm 669:
670: /* Add any subpath that also needs to be counted */
671: tmp = path_strip(path, strip_path);
672: m += strlen(tmp);
673: xfree(tmp);
674:
675: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
676: width = ws.ws_col;
677:
678: columns = width / (m + 2);
679: columns = MAX(columns, 1);
680: colspace = width / columns;
681: colspace = MIN(colspace, width);
682: }
683:
1.52 djm 684: if (lflag & SORT_FLAGS) {
1.68 dtucker 685: for (n = 0; d[n] != NULL; n++)
686: ; /* count entries */
1.53 djm 687: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 688: qsort(d, n, sizeof(*d), sdirent_comp);
689: }
1.44 djm 690:
1.46 djm 691: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 692: char *tmp, *fname;
1.54 djm 693:
694: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
695: continue;
1.44 djm 696:
697: tmp = path_append(path, d[n]->filename);
698: fname = path_strip(tmp, strip_path);
699: xfree(tmp);
700:
1.53 djm 701: if (lflag & LS_LONG_VIEW) {
1.119 djm 702: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 703: char *lname;
704: struct stat sb;
705:
706: memset(&sb, 0, sizeof(sb));
707: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 708: lname = ls_file(fname, &sb, 1,
709: (lflag & LS_SI_UNITS));
1.50 djm 710: printf("%s\n", lname);
711: xfree(lname);
712: } else
713: printf("%s\n", d[n]->longname);
1.44 djm 714: } else {
715: printf("%-*s", colspace, fname);
716: if (c >= columns) {
717: printf("\n");
718: c = 1;
719: } else
720: c++;
721: }
722:
723: xfree(fname);
724: }
725:
1.53 djm 726: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 727: printf("\n");
728:
729: free_sftp_dirents(d);
730: return (0);
731: }
732:
733: /* sftp ls.1 replacement which handles path globs */
734: static int
735: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
736: int lflag)
737: {
738: glob_t g;
1.64 djm 739: u_int i, c = 1, colspace = 0, columns = 1;
1.60 fgsch 740: Attrib *a = NULL;
1.44 djm 741:
742: memset(&g, 0, sizeof(g));
743:
744: if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
1.60 fgsch 745: NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
746: if (g.gl_pathc)
747: globfree(&g);
1.44 djm 748: error("Can't ls: \"%s\" not found", path);
749: return (-1);
750: }
751:
1.46 djm 752: if (interrupted)
753: goto out;
754:
1.44 djm 755: /*
1.60 fgsch 756: * If the glob returns a single match and it is a directory,
757: * then just list its contents.
1.44 djm 758: */
1.60 fgsch 759: if (g.gl_matchc == 1) {
760: if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
1.44 djm 761: globfree(&g);
762: return (-1);
763: }
764: if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
765: S_ISDIR(a->perm)) {
1.60 fgsch 766: int err;
767:
768: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
1.44 djm 769: globfree(&g);
1.60 fgsch 770: return (err);
1.44 djm 771: }
772: }
773:
1.53 djm 774: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 775: u_int m = 0, width = 80;
1.44 djm 776: struct winsize ws;
777:
778: /* Count entries for sort and find longest filename */
779: for (i = 0; g.gl_pathv[i]; i++)
780: m = MAX(m, strlen(g.gl_pathv[i]));
781:
782: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
783: width = ws.ws_col;
784:
785: columns = width / (m + 2);
786: columns = MAX(columns, 1);
787: colspace = width / columns;
788: }
789:
1.60 fgsch 790: for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
1.44 djm 791: char *fname;
792:
793: fname = path_strip(g.gl_pathv[i], strip_path);
794:
1.53 djm 795: if (lflag & LS_LONG_VIEW) {
1.44 djm 796: char *lname;
797: struct stat sb;
798:
799: /*
800: * XXX: this is slow - 1 roundtrip per path
801: * A solution to this is to fork glob() and
802: * build a sftp specific version which keeps the
803: * attribs (which currently get thrown away)
804: * that the server returns as well as the filenames.
805: */
806: memset(&sb, 0, sizeof(sb));
1.60 fgsch 807: if (a == NULL)
808: a = do_lstat(conn, g.gl_pathv[i], 1);
1.44 djm 809: if (a != NULL)
810: attrib_to_stat(a, &sb);
1.119 djm 811: lname = ls_file(fname, &sb, 1, (lflag & LS_SI_UNITS));
1.44 djm 812: printf("%s\n", lname);
813: xfree(lname);
814: } else {
815: printf("%-*s", colspace, fname);
816: if (c >= columns) {
817: printf("\n");
818: c = 1;
819: } else
820: c++;
821: }
822: xfree(fname);
823: }
824:
1.53 djm 825: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 826: printf("\n");
827:
1.46 djm 828: out:
1.44 djm 829: if (g.gl_pathc)
830: globfree(&g);
831:
832: return (0);
833: }
834:
1.100 djm 835: static int
836: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
837: {
1.101 dtucker 838: struct sftp_statvfs st;
1.100 djm 839: char s_used[FMT_SCALED_STRSIZE];
840: char s_avail[FMT_SCALED_STRSIZE];
841: char s_root[FMT_SCALED_STRSIZE];
842: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 843: unsigned long long ffree;
1.100 djm 844:
845: if (do_statvfs(conn, path, &st, 1) == -1)
846: return -1;
847: if (iflag) {
1.114 dtucker 848: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 849: printf(" Inodes Used Avail "
850: "(root) %%Capacity\n");
851: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
852: (unsigned long long)st.f_files,
853: (unsigned long long)(st.f_files - st.f_ffree),
854: (unsigned long long)st.f_favail,
1.114 dtucker 855: (unsigned long long)st.f_ffree, ffree);
1.100 djm 856: } else if (hflag) {
857: strlcpy(s_used, "error", sizeof(s_used));
858: strlcpy(s_avail, "error", sizeof(s_avail));
859: strlcpy(s_root, "error", sizeof(s_root));
860: strlcpy(s_total, "error", sizeof(s_total));
861: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
862: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
863: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
864: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
865: printf(" Size Used Avail (root) %%Capacity\n");
866: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
867: s_total, s_used, s_avail, s_root,
868: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
869: st.f_blocks));
870: } else {
871: printf(" Size Used Avail "
872: "(root) %%Capacity\n");
873: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
874: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
875: (unsigned long long)(st.f_frsize *
876: (st.f_blocks - st.f_bfree) / 1024),
877: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
878: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
879: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
880: st.f_blocks));
881: }
882: return 0;
883: }
884:
1.97 djm 885: /*
886: * Undo escaping of glob sequences in place. Used to undo extra escaping
887: * applied in makeargv() when the string is destined for a function that
888: * does not glob it.
889: */
890: static void
891: undo_glob_escape(char *s)
892: {
893: size_t i, j;
894:
895: for (i = j = 0;;) {
896: if (s[i] == '\0') {
897: s[j] = '\0';
898: return;
899: }
900: if (s[i] != '\\') {
901: s[j++] = s[i++];
902: continue;
903: }
904: /* s[i] == '\\' */
905: ++i;
906: switch (s[i]) {
907: case '?':
908: case '[':
909: case '*':
910: case '\\':
911: s[j++] = s[i++];
912: break;
913: case '\0':
914: s[j++] = '\\';
915: s[j] = '\0';
916: return;
917: default:
918: s[j++] = '\\';
919: s[j++] = s[i++];
920: break;
921: }
922: }
923: }
924:
925: /*
926: * Split a string into an argument vector using sh(1)-style quoting,
927: * comment and escaping rules, but with some tweaks to handle glob(3)
928: * wildcards.
1.116 djm 929: * The "sloppy" flag allows for recovery from missing terminating quote, for
930: * use in parsing incomplete commandlines during tab autocompletion.
931: *
1.97 djm 932: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 933: *
934: * If "lastquote" is not NULL, the quoting character used for the last
935: * argument is placed in *lastquote ("\0", "'" or "\"").
936: *
937: * If "terminated" is not NULL, *terminated will be set to 1 when the
938: * last argument's quote has been properly terminated or 0 otherwise.
939: * This parameter is only of use if "sloppy" is set.
1.97 djm 940: */
941: #define MAXARGS 128
942: #define MAXARGLEN 8192
943: static char **
1.116 djm 944: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
945: u_int *terminated)
1.97 djm 946: {
947: int argc, quot;
948: size_t i, j;
949: static char argvs[MAXARGLEN];
950: static char *argv[MAXARGS + 1];
951: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
952:
953: *argcp = argc = 0;
954: if (strlen(arg) > sizeof(argvs) - 1) {
955: args_too_longs:
956: error("string too long");
957: return NULL;
958: }
1.116 djm 959: if (terminated != NULL)
960: *terminated = 1;
961: if (lastquote != NULL)
962: *lastquote = '\0';
1.97 djm 963: state = MA_START;
964: i = j = 0;
965: for (;;) {
966: if (isspace(arg[i])) {
967: if (state == MA_UNQUOTED) {
968: /* Terminate current argument */
969: argvs[j++] = '\0';
970: argc++;
971: state = MA_START;
972: } else if (state != MA_START)
973: argvs[j++] = arg[i];
974: } else if (arg[i] == '"' || arg[i] == '\'') {
975: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
976: if (state == MA_START) {
977: argv[argc] = argvs + j;
978: state = q;
1.116 djm 979: if (lastquote != NULL)
980: *lastquote = arg[i];
1.97 djm 981: } else if (state == MA_UNQUOTED)
982: state = q;
983: else if (state == q)
984: state = MA_UNQUOTED;
985: else
986: argvs[j++] = arg[i];
987: } else if (arg[i] == '\\') {
988: if (state == MA_SQUOTE || state == MA_DQUOTE) {
989: quot = state == MA_SQUOTE ? '\'' : '"';
990: /* Unescape quote we are in */
991: /* XXX support \n and friends? */
992: if (arg[i + 1] == quot) {
993: i++;
994: argvs[j++] = arg[i];
995: } else if (arg[i + 1] == '?' ||
996: arg[i + 1] == '[' || arg[i + 1] == '*') {
997: /*
998: * Special case for sftp: append
999: * double-escaped glob sequence -
1000: * glob will undo one level of
1001: * escaping. NB. string can grow here.
1002: */
1003: if (j >= sizeof(argvs) - 5)
1004: goto args_too_longs;
1005: argvs[j++] = '\\';
1006: argvs[j++] = arg[i++];
1007: argvs[j++] = '\\';
1008: argvs[j++] = arg[i];
1009: } else {
1010: argvs[j++] = arg[i++];
1011: argvs[j++] = arg[i];
1012: }
1013: } else {
1014: if (state == MA_START) {
1015: argv[argc] = argvs + j;
1016: state = MA_UNQUOTED;
1.116 djm 1017: if (lastquote != NULL)
1018: *lastquote = '\0';
1.97 djm 1019: }
1020: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1021: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1022: /*
1023: * Special case for sftp: append
1024: * escaped glob sequence -
1025: * glob will undo one level of
1026: * escaping.
1027: */
1028: argvs[j++] = arg[i++];
1029: argvs[j++] = arg[i];
1030: } else {
1031: /* Unescape everything */
1032: /* XXX support \n and friends? */
1033: i++;
1034: argvs[j++] = arg[i];
1035: }
1036: }
1037: } else if (arg[i] == '#') {
1038: if (state == MA_SQUOTE || state == MA_DQUOTE)
1039: argvs[j++] = arg[i];
1040: else
1041: goto string_done;
1042: } else if (arg[i] == '\0') {
1043: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1044: if (sloppy) {
1045: state = MA_UNQUOTED;
1046: if (terminated != NULL)
1047: *terminated = 0;
1048: goto string_done;
1049: }
1.97 djm 1050: error("Unterminated quoted argument");
1051: return NULL;
1052: }
1053: string_done:
1054: if (state == MA_UNQUOTED) {
1055: argvs[j++] = '\0';
1056: argc++;
1057: }
1058: break;
1059: } else {
1060: if (state == MA_START) {
1061: argv[argc] = argvs + j;
1062: state = MA_UNQUOTED;
1.116 djm 1063: if (lastquote != NULL)
1064: *lastquote = '\0';
1.97 djm 1065: }
1066: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1067: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1068: /*
1069: * Special case for sftp: escape quoted
1070: * glob(3) wildcards. NB. string can grow
1071: * here.
1072: */
1073: if (j >= sizeof(argvs) - 3)
1074: goto args_too_longs;
1075: argvs[j++] = '\\';
1076: argvs[j++] = arg[i];
1077: } else
1078: argvs[j++] = arg[i];
1079: }
1080: i++;
1081: }
1082: *argcp = argc;
1083: return argv;
1084: }
1085:
1.44 djm 1086: static int
1.116 djm 1087: parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag,
1088: int *hflag, unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1089: {
1090: const char *cmd, *cp = *cpp;
1.97 djm 1091: char *cp2, **argv;
1.44 djm 1092: int base = 0;
1093: long l;
1.97 djm 1094: int i, cmdnum, optidx, argc;
1.44 djm 1095:
1096: /* Skip leading whitespace */
1097: cp = cp + strspn(cp, WHITESPACE);
1098:
1099: /* Check for leading '-' (disable error processing) */
1100: *iflag = 0;
1101: if (*cp == '-') {
1102: *iflag = 1;
1103: cp++;
1.118 dtucker 1104: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1105: }
1.118 dtucker 1106:
1107: /* Ignore blank lines and lines which begin with comment '#' char */
1108: if (*cp == '\0' || *cp == '#')
1109: return (0);
1.44 djm 1110:
1.116 djm 1111: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1112: return -1;
1113:
1.44 djm 1114: /* Figure out which command we have */
1.97 djm 1115: for (i = 0; cmds[i].c != NULL; i++) {
1116: if (strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1117: break;
1118: }
1119: cmdnum = cmds[i].n;
1120: cmd = cmds[i].c;
1121:
1122: /* Special case */
1123: if (*cp == '!') {
1124: cp++;
1125: cmdnum = I_SHELL;
1126: } else if (cmdnum == -1) {
1127: error("Invalid command.");
1.97 djm 1128: return -1;
1.44 djm 1129: }
1130:
1131: /* Get arguments and parse flags */
1.111 djm 1132: *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
1.44 djm 1133: *path1 = *path2 = NULL;
1.97 djm 1134: optidx = 1;
1.44 djm 1135: switch (cmdnum) {
1136: case I_GET:
1137: case I_PUT:
1.111 djm 1138: if ((optidx = parse_getput_flags(cmd, argv, argc, pflag, rflag)) == -1)
1.97 djm 1139: return -1;
1.44 djm 1140: /* Get first pathname (mandatory) */
1.97 djm 1141: if (argc - optidx < 1) {
1.44 djm 1142: error("You must specify at least one path after a "
1143: "%s command.", cmd);
1.97 djm 1144: return -1;
1145: }
1146: *path1 = xstrdup(argv[optidx]);
1147: /* Get second pathname (optional) */
1148: if (argc - optidx > 1) {
1149: *path2 = xstrdup(argv[optidx + 1]);
1150: /* Destination is not globbed */
1151: undo_glob_escape(*path2);
1.44 djm 1152: }
1153: break;
1154: case I_RENAME:
1155: case I_SYMLINK:
1.97 djm 1156: if (argc - optidx < 2) {
1.44 djm 1157: error("You must specify two paths after a %s "
1158: "command.", cmd);
1.97 djm 1159: return -1;
1.44 djm 1160: }
1.97 djm 1161: *path1 = xstrdup(argv[optidx]);
1162: *path2 = xstrdup(argv[optidx + 1]);
1163: /* Paths are not globbed */
1164: undo_glob_escape(*path1);
1165: undo_glob_escape(*path2);
1.44 djm 1166: break;
1167: case I_RM:
1168: case I_MKDIR:
1169: case I_RMDIR:
1170: case I_CHDIR:
1171: case I_LCHDIR:
1172: case I_LMKDIR:
1173: /* Get pathname (mandatory) */
1.97 djm 1174: if (argc - optidx < 1) {
1.44 djm 1175: error("You must specify a path after a %s command.",
1176: cmd);
1.97 djm 1177: return -1;
1.44 djm 1178: }
1.97 djm 1179: *path1 = xstrdup(argv[optidx]);
1180: /* Only "rm" globs */
1181: if (cmdnum != I_RM)
1182: undo_glob_escape(*path1);
1.44 djm 1183: break;
1.100 djm 1184: case I_DF:
1185: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1186: iflag)) == -1)
1187: return -1;
1188: /* Default to current directory if no path specified */
1189: if (argc - optidx < 1)
1190: *path1 = NULL;
1191: else {
1192: *path1 = xstrdup(argv[optidx]);
1193: undo_glob_escape(*path1);
1194: }
1195: break;
1.44 djm 1196: case I_LS:
1.97 djm 1197: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1198: return(-1);
1199: /* Path is optional */
1.97 djm 1200: if (argc - optidx > 0)
1201: *path1 = xstrdup(argv[optidx]);
1.44 djm 1202: break;
1203: case I_LLS:
1.98 djm 1204: /* Skip ls command and following whitespace */
1205: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1206: case I_SHELL:
1207: /* Uses the rest of the line */
1208: break;
1209: case I_LUMASK:
1210: case I_CHMOD:
1211: base = 8;
1212: case I_CHOWN:
1213: case I_CHGRP:
1214: /* Get numeric arg (mandatory) */
1.97 djm 1215: if (argc - optidx < 1)
1216: goto need_num_arg;
1.93 ray 1217: errno = 0;
1.97 djm 1218: l = strtol(argv[optidx], &cp2, base);
1219: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1220: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1221: l < 0) {
1222: need_num_arg:
1.44 djm 1223: error("You must supply a numeric argument "
1224: "to the %s command.", cmd);
1.97 djm 1225: return -1;
1.44 djm 1226: }
1227: *n_arg = l;
1.97 djm 1228: if (cmdnum == I_LUMASK)
1.44 djm 1229: break;
1230: /* Get pathname (mandatory) */
1.97 djm 1231: if (argc - optidx < 2) {
1.44 djm 1232: error("You must specify a path after a %s command.",
1233: cmd);
1.97 djm 1234: return -1;
1.44 djm 1235: }
1.97 djm 1236: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1237: break;
1238: case I_QUIT:
1239: case I_PWD:
1240: case I_LPWD:
1241: case I_HELP:
1242: case I_VERSION:
1243: case I_PROGRESS:
1244: break;
1245: default:
1246: fatal("Command not implemented");
1247: }
1248:
1249: *cpp = cp;
1250: return(cmdnum);
1251: }
1252:
1253: static int
1254: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1255: int err_abort)
1256: {
1257: char *path1, *path2, *tmp;
1.111 djm 1258: int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, cmdnum, i;
1.107 dtucker 1259: unsigned long n_arg = 0;
1.44 djm 1260: Attrib a, *aa;
1261: char path_buf[MAXPATHLEN];
1262: int err = 0;
1263: glob_t g;
1264:
1265: path1 = path2 = NULL;
1.111 djm 1266: cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag, &n_arg,
1.44 djm 1267: &path1, &path2);
1268:
1269: if (iflag != 0)
1270: err_abort = 0;
1271:
1272: memset(&g, 0, sizeof(g));
1273:
1274: /* Perform command */
1275: switch (cmdnum) {
1276: case 0:
1277: /* Blank line */
1278: break;
1279: case -1:
1280: /* Unrecognized command */
1281: err = -1;
1282: break;
1283: case I_GET:
1.111 djm 1284: err = process_get(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1285: break;
1286: case I_PUT:
1.111 djm 1287: err = process_put(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1288: break;
1289: case I_RENAME:
1290: path1 = make_absolute(path1, *pwd);
1291: path2 = make_absolute(path2, *pwd);
1292: err = do_rename(conn, path1, path2);
1293: break;
1294: case I_SYMLINK:
1295: path2 = make_absolute(path2, *pwd);
1296: err = do_symlink(conn, path1, path2);
1297: break;
1298: case I_RM:
1299: path1 = make_absolute(path1, *pwd);
1300: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1301: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1302: printf("Removing %s\n", g.gl_pathv[i]);
1303: err = do_rm(conn, g.gl_pathv[i]);
1304: if (err != 0 && err_abort)
1305: break;
1306: }
1307: break;
1308: case I_MKDIR:
1309: path1 = make_absolute(path1, *pwd);
1310: attrib_clear(&a);
1311: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1312: a.perm = 0777;
1.111 djm 1313: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1314: break;
1315: case I_RMDIR:
1316: path1 = make_absolute(path1, *pwd);
1317: err = do_rmdir(conn, path1);
1318: break;
1319: case I_CHDIR:
1320: path1 = make_absolute(path1, *pwd);
1321: if ((tmp = do_realpath(conn, path1)) == NULL) {
1322: err = 1;
1323: break;
1324: }
1325: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1326: xfree(tmp);
1327: err = 1;
1328: break;
1329: }
1330: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1331: error("Can't change directory: Can't check target");
1332: xfree(tmp);
1333: err = 1;
1334: break;
1335: }
1336: if (!S_ISDIR(aa->perm)) {
1337: error("Can't change directory: \"%s\" is not "
1338: "a directory", tmp);
1339: xfree(tmp);
1340: err = 1;
1341: break;
1342: }
1343: xfree(*pwd);
1344: *pwd = tmp;
1345: break;
1346: case I_LS:
1347: if (!path1) {
1.125 djm 1348: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1349: break;
1350: }
1351:
1352: /* Strip pwd off beginning of non-absolute paths */
1353: tmp = NULL;
1354: if (*path1 != '/')
1355: tmp = *pwd;
1356:
1357: path1 = make_absolute(path1, *pwd);
1358: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1359: break;
1360: case I_DF:
1361: /* Default to current directory if no path specified */
1362: if (path1 == NULL)
1363: path1 = xstrdup(*pwd);
1364: path1 = make_absolute(path1, *pwd);
1365: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1366: break;
1367: case I_LCHDIR:
1368: if (chdir(path1) == -1) {
1369: error("Couldn't change local directory to "
1370: "\"%s\": %s", path1, strerror(errno));
1371: err = 1;
1372: }
1373: break;
1374: case I_LMKDIR:
1375: if (mkdir(path1, 0777) == -1) {
1376: error("Couldn't create local directory "
1377: "\"%s\": %s", path1, strerror(errno));
1378: err = 1;
1379: }
1380: break;
1381: case I_LLS:
1382: local_do_ls(cmd);
1383: break;
1384: case I_SHELL:
1385: local_do_shell(cmd);
1386: break;
1387: case I_LUMASK:
1388: umask(n_arg);
1389: printf("Local umask: %03lo\n", n_arg);
1390: break;
1391: case I_CHMOD:
1392: path1 = make_absolute(path1, *pwd);
1393: attrib_clear(&a);
1394: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1395: a.perm = n_arg;
1396: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1397: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1398: printf("Changing mode on %s\n", g.gl_pathv[i]);
1399: err = do_setstat(conn, g.gl_pathv[i], &a);
1400: if (err != 0 && err_abort)
1401: break;
1402: }
1403: break;
1404: case I_CHOWN:
1405: case I_CHGRP:
1406: path1 = make_absolute(path1, *pwd);
1407: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1408: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1409: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1410: if (err_abort) {
1411: err = -1;
1.44 djm 1412: break;
1.104 djm 1413: } else
1.44 djm 1414: continue;
1415: }
1416: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1417: error("Can't get current ownership of "
1418: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1419: if (err_abort) {
1420: err = -1;
1.44 djm 1421: break;
1.104 djm 1422: } else
1.44 djm 1423: continue;
1424: }
1425: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1426: if (cmdnum == I_CHOWN) {
1427: printf("Changing owner on %s\n", g.gl_pathv[i]);
1428: aa->uid = n_arg;
1429: } else {
1430: printf("Changing group on %s\n", g.gl_pathv[i]);
1431: aa->gid = n_arg;
1432: }
1433: err = do_setstat(conn, g.gl_pathv[i], aa);
1434: if (err != 0 && err_abort)
1435: break;
1436: }
1437: break;
1438: case I_PWD:
1439: printf("Remote working directory: %s\n", *pwd);
1440: break;
1441: case I_LPWD:
1442: if (!getcwd(path_buf, sizeof(path_buf))) {
1443: error("Couldn't get local cwd: %s", strerror(errno));
1444: err = -1;
1445: break;
1446: }
1447: printf("Local working directory: %s\n", path_buf);
1448: break;
1449: case I_QUIT:
1450: /* Processed below */
1451: break;
1452: case I_HELP:
1453: help();
1454: break;
1455: case I_VERSION:
1456: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1457: break;
1458: case I_PROGRESS:
1459: showprogress = !showprogress;
1460: if (showprogress)
1461: printf("Progress meter enabled\n");
1462: else
1463: printf("Progress meter disabled\n");
1464: break;
1465: default:
1466: fatal("%d is not implemented", cmdnum);
1467: }
1468:
1469: if (g.gl_pathc)
1470: globfree(&g);
1471: if (path1)
1472: xfree(path1);
1473: if (path2)
1474: xfree(path2);
1475:
1476: /* If an unignored error occurs in batch mode we should abort. */
1477: if (err_abort && err != 0)
1478: return (-1);
1479: else if (cmdnum == I_QUIT)
1480: return (1);
1481:
1482: return (0);
1483: }
1484:
1.57 djm 1485: static char *
1486: prompt(EditLine *el)
1487: {
1488: return ("sftp> ");
1489: }
1490:
1.116 djm 1491: /* Display entries in 'list' after skipping the first 'len' chars */
1492: static void
1493: complete_display(char **list, u_int len)
1494: {
1495: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1496: struct winsize ws;
1497: char *tmp;
1498:
1499: /* Count entries for sort and find longest */
1500: for (y = 0; list[y]; y++)
1501: m = MAX(m, strlen(list[y]));
1502:
1503: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1504: width = ws.ws_col;
1505:
1506: m = m > len ? m - len : 0;
1507: columns = width / (m + 2);
1508: columns = MAX(columns, 1);
1509: colspace = width / columns;
1510: colspace = MIN(colspace, width);
1511:
1512: printf("\n");
1513: m = 1;
1514: for (y = 0; list[y]; y++) {
1515: llen = strlen(list[y]);
1516: tmp = llen > len ? list[y] + len : "";
1517: printf("%-*s", colspace, tmp);
1518: if (m >= columns) {
1519: printf("\n");
1520: m = 1;
1521: } else
1522: m++;
1523: }
1524: printf("\n");
1525: }
1526:
1527: /*
1528: * Given a "list" of words that begin with a common prefix of "word",
1529: * attempt to find an autocompletion to extends "word" by the next
1530: * characters common to all entries in "list".
1531: */
1532: static char *
1533: complete_ambiguous(const char *word, char **list, size_t count)
1534: {
1535: if (word == NULL)
1536: return NULL;
1537:
1538: if (count > 0) {
1539: u_int y, matchlen = strlen(list[0]);
1540:
1541: /* Find length of common stem */
1542: for (y = 1; list[y]; y++) {
1543: u_int x;
1544:
1545: for (x = 0; x < matchlen; x++)
1546: if (list[0][x] != list[y][x])
1547: break;
1548:
1549: matchlen = x;
1550: }
1551:
1552: if (matchlen > strlen(word)) {
1553: char *tmp = xstrdup(list[0]);
1554:
1.117 dtucker 1555: tmp[matchlen] = '\0';
1.116 djm 1556: return tmp;
1557: }
1558: }
1559:
1560: return xstrdup(word);
1561: }
1562:
1563: /* Autocomplete a sftp command */
1564: static int
1565: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1566: int terminated)
1567: {
1568: u_int y, count = 0, cmdlen, tmplen;
1569: char *tmp, **list, argterm[3];
1570: const LineInfo *lf;
1571:
1572: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1573:
1574: /* No command specified: display all available commands */
1575: if (cmd == NULL) {
1576: for (y = 0; cmds[y].c; y++)
1577: list[count++] = xstrdup(cmds[y].c);
1578:
1579: list[count] = NULL;
1580: complete_display(list, 0);
1581:
1582: for (y = 0; list[y] != NULL; y++)
1583: xfree(list[y]);
1584: xfree(list);
1585: return count;
1586: }
1587:
1588: /* Prepare subset of commands that start with "cmd" */
1589: cmdlen = strlen(cmd);
1590: for (y = 0; cmds[y].c; y++) {
1591: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1592: list[count++] = xstrdup(cmds[y].c);
1593: }
1594: list[count] = NULL;
1595:
1596: if (count == 0)
1597: return 0;
1598:
1599: /* Complete ambigious command */
1600: tmp = complete_ambiguous(cmd, list, count);
1601: if (count > 1)
1602: complete_display(list, 0);
1603:
1604: for (y = 0; list[y]; y++)
1605: xfree(list[y]);
1606: xfree(list);
1607:
1608: if (tmp != NULL) {
1609: tmplen = strlen(tmp);
1610: cmdlen = strlen(cmd);
1611: /* If cmd may be extended then do so */
1612: if (tmplen > cmdlen)
1613: if (el_insertstr(el, tmp + cmdlen) == -1)
1614: fatal("el_insertstr failed.");
1615: lf = el_line(el);
1616: /* Terminate argument cleanly */
1617: if (count == 1) {
1618: y = 0;
1619: if (!terminated)
1620: argterm[y++] = quote;
1621: if (lastarg || *(lf->cursor) != ' ')
1622: argterm[y++] = ' ';
1623: argterm[y] = '\0';
1624: if (y > 0 && el_insertstr(el, argterm) == -1)
1625: fatal("el_insertstr failed.");
1626: }
1627: xfree(tmp);
1628: }
1629:
1630: return count;
1631: }
1632:
1633: /*
1634: * Determine whether a particular sftp command's arguments (if any)
1635: * represent local or remote files.
1636: */
1637: static int
1638: complete_is_remote(char *cmd) {
1639: int i;
1640:
1641: if (cmd == NULL)
1642: return -1;
1643:
1644: for (i = 0; cmds[i].c; i++) {
1645: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1646: return cmds[i].t;
1647: }
1648:
1649: return -1;
1650: }
1651:
1652: /* Autocomplete a filename "file" */
1653: static int
1654: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1655: char *file, int remote, int lastarg, char quote, int terminated)
1656: {
1657: glob_t g;
1658: char *tmp, *tmp2, ins[3];
1659: u_int i, hadglob, pwdlen, len, tmplen, filelen;
1660: const LineInfo *lf;
1661:
1662: /* Glob from "file" location */
1663: if (file == NULL)
1664: tmp = xstrdup("*");
1665: else
1666: xasprintf(&tmp, "%s*", file);
1667:
1668: memset(&g, 0, sizeof(g));
1669: if (remote != LOCAL) {
1670: tmp = make_absolute(tmp, remote_path);
1671: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1672: } else
1673: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1674:
1675: /* Determine length of pwd so we can trim completion display */
1676: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1677: /* Terminate counting on first unescaped glob metacharacter */
1678: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1679: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1680: hadglob = 1;
1681: break;
1682: }
1683: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1684: tmplen++;
1685: if (tmp[tmplen] == '/')
1686: pwdlen = tmplen + 1; /* track last seen '/' */
1687: }
1688: xfree(tmp);
1689:
1690: if (g.gl_matchc == 0)
1691: goto out;
1692:
1693: if (g.gl_matchc > 1)
1694: complete_display(g.gl_pathv, pwdlen);
1695:
1696: tmp = NULL;
1697: /* Don't try to extend globs */
1698: if (file == NULL || hadglob)
1699: goto out;
1700:
1701: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1702: tmp = path_strip(tmp2, remote_path);
1703: xfree(tmp2);
1704:
1705: if (tmp == NULL)
1706: goto out;
1707:
1708: tmplen = strlen(tmp);
1709: filelen = strlen(file);
1710:
1711: if (tmplen > filelen) {
1712: tmp2 = tmp + filelen;
1713: len = strlen(tmp2);
1714: /* quote argument on way out */
1715: for (i = 0; i < len; i++) {
1716: ins[0] = '\\';
1717: ins[1] = tmp2[i];
1718: ins[2] = '\0';
1719: switch (tmp2[i]) {
1720: case '\'':
1721: case '"':
1722: case '\\':
1723: case '\t':
1724: case ' ':
1725: if (quote == '\0' || tmp2[i] == quote) {
1726: if (el_insertstr(el, ins) == -1)
1727: fatal("el_insertstr "
1728: "failed.");
1729: break;
1730: }
1731: /* FALLTHROUGH */
1732: default:
1733: if (el_insertstr(el, ins + 1) == -1)
1734: fatal("el_insertstr failed.");
1735: break;
1736: }
1737: }
1738: }
1739:
1740: lf = el_line(el);
1741: if (g.gl_matchc == 1) {
1742: i = 0;
1743: if (!terminated)
1744: ins[i++] = quote;
1.120 djm 1745: if (*(lf->cursor - 1) != '/' &&
1746: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1747: ins[i++] = ' ';
1748: ins[i] = '\0';
1749: if (i > 0 && el_insertstr(el, ins) == -1)
1750: fatal("el_insertstr failed.");
1751: }
1752: xfree(tmp);
1753:
1754: out:
1755: globfree(&g);
1756: return g.gl_matchc;
1757: }
1758:
1759: /* tab-completion hook function, called via libedit */
1760: static unsigned char
1761: complete(EditLine *el, int ch)
1762: {
1763: char **argv, *line, quote;
1764: u_int argc, carg, cursor, len, terminated, ret = CC_ERROR;
1765: const LineInfo *lf;
1766: struct complete_ctx *complete_ctx;
1767:
1768: lf = el_line(el);
1769: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1770: fatal("%s: el_get failed", __func__);
1771:
1772: /* Figure out which argument the cursor points to */
1773: cursor = lf->cursor - lf->buffer;
1774: line = (char *)xmalloc(cursor + 1);
1775: memcpy(line, lf->buffer, cursor);
1776: line[cursor] = '\0';
1777: argv = makeargv(line, &carg, 1, "e, &terminated);
1778: xfree(line);
1779:
1780: /* Get all the arguments on the line */
1781: len = lf->lastchar - lf->buffer;
1782: line = (char *)xmalloc(len + 1);
1783: memcpy(line, lf->buffer, len);
1784: line[len] = '\0';
1785: argv = makeargv(line, &argc, 1, NULL, NULL);
1786:
1787: /* Ensure cursor is at EOL or a argument boundary */
1788: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1789: line[cursor] != '\n') {
1790: xfree(line);
1791: return ret;
1792: }
1793:
1794: if (carg == 0) {
1795: /* Show all available commands */
1796: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1797: ret = CC_REDISPLAY;
1798: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1799: /* Handle the command parsing */
1800: if (complete_cmd_parse(el, argv[0], argc == carg,
1801: quote, terminated) != 0)
1802: ret = CC_REDISPLAY;
1803: } else if (carg >= 1) {
1804: /* Handle file parsing */
1805: int remote = complete_is_remote(argv[0]);
1806: char *filematch = NULL;
1807:
1808: if (carg > 1 && line[cursor-1] != ' ')
1809: filematch = argv[carg - 1];
1810:
1811: if (remote != 0 &&
1812: complete_match(el, complete_ctx->conn,
1813: *complete_ctx->remote_pathp, filematch,
1814: remote, carg == argc, quote, terminated) != 0)
1815: ret = CC_REDISPLAY;
1816: }
1817:
1818: xfree(line);
1819: return ret;
1820: }
1821:
1.44 djm 1822: int
1.112 djm 1823: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1824: {
1.116 djm 1825: char *remote_path;
1.44 djm 1826: char *dir = NULL;
1827: char cmd[2048];
1.66 jaredy 1828: int err, interactive;
1.57 djm 1829: EditLine *el = NULL;
1830: History *hl = NULL;
1831: HistEvent hev;
1832: extern char *__progname;
1.116 djm 1833: struct complete_ctx complete_ctx;
1.57 djm 1834:
1835: if (!batchmode && isatty(STDIN_FILENO)) {
1836: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1837: fatal("Couldn't initialise editline");
1838: if ((hl = history_init()) == NULL)
1839: fatal("Couldn't initialise editline history");
1840: history(hl, &hev, H_SETSIZE, 100);
1841: el_set(el, EL_HIST, history, hl);
1842:
1843: el_set(el, EL_PROMPT, prompt);
1844: el_set(el, EL_EDITOR, "emacs");
1845: el_set(el, EL_TERMINAL, NULL);
1846: el_set(el, EL_SIGNAL, 1);
1847: el_source(el, NULL);
1.116 djm 1848:
1849: /* Tab Completion */
1850: el_set(el, EL_ADDFN, "ftp-complete",
1851: "Context senstive argument completion", complete);
1852: complete_ctx.conn = conn;
1853: complete_ctx.remote_pathp = &remote_path;
1854: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
1855: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.57 djm 1856: }
1.44 djm 1857:
1.116 djm 1858: remote_path = do_realpath(conn, ".");
1859: if (remote_path == NULL)
1.44 djm 1860: fatal("Need cwd");
1861:
1862: if (file1 != NULL) {
1863: dir = xstrdup(file1);
1.116 djm 1864: dir = make_absolute(dir, remote_path);
1.44 djm 1865:
1866: if (remote_is_dir(conn, dir) && file2 == NULL) {
1867: printf("Changing to: %s\n", dir);
1868: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 1869: if (parse_dispatch_command(conn, cmd,
1870: &remote_path, 1) != 0) {
1.58 markus 1871: xfree(dir);
1.116 djm 1872: xfree(remote_path);
1.76 djm 1873: xfree(conn);
1.44 djm 1874: return (-1);
1.58 markus 1875: }
1.44 djm 1876: } else {
1877: if (file2 == NULL)
1878: snprintf(cmd, sizeof cmd, "get %s", dir);
1879: else
1880: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1881: file2);
1882:
1.116 djm 1883: err = parse_dispatch_command(conn, cmd,
1884: &remote_path, 1);
1.44 djm 1885: xfree(dir);
1.116 djm 1886: xfree(remote_path);
1.76 djm 1887: xfree(conn);
1.44 djm 1888: return (err);
1889: }
1890: xfree(dir);
1891: }
1892:
1893: setvbuf(stdout, NULL, _IOLBF, 0);
1894: setvbuf(infile, NULL, _IOLBF, 0);
1895:
1.66 jaredy 1896: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 1897: err = 0;
1898: for (;;) {
1899: char *cp;
1.57 djm 1900: const char *line;
1901: int count = 0;
1.44 djm 1902:
1.46 djm 1903: signal(SIGINT, SIG_IGN);
1904:
1.57 djm 1905: if (el == NULL) {
1.66 jaredy 1906: if (interactive)
1907: printf("sftp> ");
1.57 djm 1908: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 1909: if (interactive)
1910: printf("\n");
1.57 djm 1911: break;
1912: }
1.66 jaredy 1913: if (!interactive) { /* Echo command */
1914: printf("sftp> %s", cmd);
1915: if (strlen(cmd) > 0 &&
1916: cmd[strlen(cmd) - 1] != '\n')
1917: printf("\n");
1918: }
1.57 djm 1919: } else {
1.116 djm 1920: if ((line = el_gets(el, &count)) == NULL ||
1921: count <= 0) {
1.66 jaredy 1922: printf("\n");
1.57 djm 1923: break;
1.66 jaredy 1924: }
1.57 djm 1925: history(hl, &hev, H_ENTER, line);
1926: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1927: fprintf(stderr, "Error: input line too long\n");
1928: continue;
1929: }
1.44 djm 1930: }
1931:
1932: cp = strrchr(cmd, '\n');
1933: if (cp)
1934: *cp = '\0';
1935:
1.46 djm 1936: /* Handle user interrupts gracefully during commands */
1937: interrupted = 0;
1938: signal(SIGINT, cmd_interrupt);
1939:
1.116 djm 1940: err = parse_dispatch_command(conn, cmd, &remote_path,
1941: batchmode);
1.44 djm 1942: if (err != 0)
1943: break;
1944: }
1.116 djm 1945: xfree(remote_path);
1.76 djm 1946: xfree(conn);
1.66 jaredy 1947:
1948: if (el != NULL)
1949: el_end(el);
1.44 djm 1950:
1951: /* err == 1 signifies normal "quit" exit */
1952: return (err >= 0 ? 0 : -1);
1953: }
1.34 fgsch 1954:
1.18 itojun 1955: static void
1.36 djm 1956: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 1957: {
1958: int c_in, c_out;
1.30 deraadt 1959:
1.1 djm 1960: int inout[2];
1.30 deraadt 1961:
1.1 djm 1962: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1963: fatal("socketpair: %s", strerror(errno));
1964: *in = *out = inout[0];
1965: c_in = c_out = inout[1];
1966:
1.36 djm 1967: if ((sshpid = fork()) == -1)
1.1 djm 1968: fatal("fork: %s", strerror(errno));
1.36 djm 1969: else if (sshpid == 0) {
1.1 djm 1970: if ((dup2(c_in, STDIN_FILENO) == -1) ||
1971: (dup2(c_out, STDOUT_FILENO) == -1)) {
1972: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 1973: _exit(1);
1.1 djm 1974: }
1975: close(*in);
1976: close(*out);
1977: close(c_in);
1978: close(c_out);
1.46 djm 1979:
1980: /*
1981: * The underlying ssh is in the same process group, so we must
1.56 deraadt 1982: * ignore SIGINT if we want to gracefully abort commands,
1983: * otherwise the signal will make it to the ssh process and
1.122 guenther 1984: * kill it too. Contrawise, since sftp sends SIGTERMs to the
1985: * underlying ssh, it must *not* ignore that signal.
1.46 djm 1986: */
1987: signal(SIGINT, SIG_IGN);
1.122 guenther 1988: signal(SIGTERM, SIG_DFL);
1.49 dtucker 1989: execvp(path, args);
1.23 djm 1990: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 1991: _exit(1);
1.1 djm 1992: }
1993:
1.36 djm 1994: signal(SIGTERM, killchild);
1995: signal(SIGINT, killchild);
1996: signal(SIGHUP, killchild);
1.1 djm 1997: close(c_in);
1998: close(c_out);
1999: }
2000:
1.18 itojun 2001: static void
1.1 djm 2002: usage(void)
2003: {
1.25 mpech 2004: extern char *__progname;
1.27 markus 2005:
1.19 stevesk 2006: fprintf(stderr,
1.111 djm 2007: "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2008: " [-D sftp_server_path] [-F ssh_config] "
1.127 ! jmc 2009: "[-i identity_file] [-l limit]\n"
1.110 jmc 2010: " [-o ssh_option] [-P port] [-R num_requests] "
2011: "[-S program]\n"
1.108 djm 2012: " [-s subsystem | sftp_server] host\n"
1.105 djm 2013: " %s [user@]host[:file ...]\n"
2014: " %s [user@]host[:dir[/]]\n"
1.108 djm 2015: " %s -b batchfile [user@]host\n",
2016: __progname, __progname, __progname, __progname);
1.1 djm 2017: exit(1);
2018: }
2019:
1.2 stevesk 2020: int
1.1 djm 2021: main(int argc, char **argv)
2022: {
1.33 djm 2023: int in, out, ch, err;
1.117 dtucker 2024: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2025: int debug_level = 0, sshver = 2;
2026: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2027: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2028: const char *errstr;
1.17 mouring 2029: LogLevel ll = SYSLOG_LEVEL_INFO;
2030: arglist args;
1.3 djm 2031: extern int optind;
2032: extern char *optarg;
1.112 djm 2033: struct sftp_conn *conn;
2034: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2035: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2036: long long limit_kbps = 0;
1.67 djm 2037:
2038: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2039: sanitise_stdfd();
1.1 djm 2040:
1.70 djm 2041: memset(&args, '\0', sizeof(args));
1.17 mouring 2042: args.list = NULL;
1.80 djm 2043: addargs(&args, "%s", ssh_program);
1.17 mouring 2044: addargs(&args, "-oForwardX11 no");
2045: addargs(&args, "-oForwardAgent no");
1.69 reyk 2046: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2047: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2048:
1.17 mouring 2049: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2050: infile = stdin;
1.3 djm 2051:
1.109 djm 2052: while ((ch = getopt(argc, argv,
1.126 djm 2053: "1246hpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2054: switch (ch) {
1.108 djm 2055: /* Passed through to ssh(1) */
2056: case '4':
2057: case '6':
1.3 djm 2058: case 'C':
1.108 djm 2059: addargs(&args, "-%c", ch);
2060: break;
2061: /* Passed through to ssh(1) with argument */
2062: case 'F':
2063: case 'c':
2064: case 'i':
2065: case 'o':
1.113 halex 2066: addargs(&args, "-%c", ch);
2067: addargs(&args, "%s", optarg);
1.108 djm 2068: break;
2069: case 'q':
2070: showprogress = 0;
2071: addargs(&args, "-%c", ch);
1.3 djm 2072: break;
1.109 djm 2073: case 'P':
2074: addargs(&args, "-oPort %s", optarg);
2075: break;
1.3 djm 2076: case 'v':
1.17 mouring 2077: if (debug_level < 3) {
2078: addargs(&args, "-v");
2079: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2080: }
2081: debug_level++;
1.3 djm 2082: break;
1.7 markus 2083: case '1':
1.17 mouring 2084: sshver = 1;
1.7 markus 2085: if (sftp_server == NULL)
2086: sftp_server = _PATH_SFTP_SERVER;
2087: break;
1.108 djm 2088: case '2':
2089: sshver = 2;
1.7 markus 2090: break;
1.108 djm 2091: case 'B':
2092: copy_buffer_len = strtol(optarg, &cp, 10);
2093: if (copy_buffer_len == 0 || *cp != '\0')
2094: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2095: break;
1.10 deraadt 2096: case 'b':
1.39 djm 2097: if (batchmode)
2098: fatal("Batch file already specified.");
2099:
2100: /* Allow "-" as stdin */
1.56 deraadt 2101: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2102: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2103: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2104: showprogress = 0;
1.39 djm 2105: batchmode = 1;
1.62 djm 2106: addargs(&args, "-obatchmode yes");
1.10 deraadt 2107: break;
1.111 djm 2108: case 'p':
2109: global_pflag = 1;
2110: break;
1.109 djm 2111: case 'D':
1.23 djm 2112: sftp_direct = optarg;
1.111 djm 2113: break;
1.126 djm 2114: case 'l':
2115: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2116: &errstr);
2117: if (errstr != NULL)
2118: usage();
2119: limit_kbps *= 1024; /* kbps */
2120: break;
1.111 djm 2121: case 'r':
2122: global_rflag = 1;
1.24 djm 2123: break;
1.26 djm 2124: case 'R':
2125: num_requests = strtol(optarg, &cp, 10);
2126: if (num_requests == 0 || *cp != '\0')
1.27 markus 2127: fatal("Invalid number of requests \"%s\"",
1.26 djm 2128: optarg);
1.108 djm 2129: break;
2130: case 's':
2131: sftp_server = optarg;
2132: break;
2133: case 'S':
2134: ssh_program = optarg;
2135: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2136: break;
1.3 djm 2137: case 'h':
2138: default:
1.1 djm 2139: usage();
2140: }
2141: }
1.45 djm 2142:
2143: if (!isatty(STDERR_FILENO))
2144: showprogress = 0;
1.1 djm 2145:
1.29 markus 2146: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2147:
1.23 djm 2148: if (sftp_direct == NULL) {
2149: if (optind == argc || argc > (optind + 2))
2150: usage();
2151:
2152: userhost = xstrdup(argv[optind]);
2153: file2 = argv[optind+1];
1.1 djm 2154:
1.32 markus 2155: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2156: host = userhost;
2157: else {
2158: *host++ = '\0';
2159: if (!userhost[0]) {
2160: fprintf(stderr, "Missing username\n");
2161: usage();
2162: }
1.115 guenther 2163: addargs(&args, "-l");
2164: addargs(&args, "%s", userhost);
1.41 djm 2165: }
2166:
2167: if ((cp = colon(host)) != NULL) {
2168: *cp++ = '\0';
2169: file1 = cp;
1.23 djm 2170: }
1.3 djm 2171:
1.23 djm 2172: host = cleanhostname(host);
2173: if (!*host) {
2174: fprintf(stderr, "Missing hostname\n");
1.1 djm 2175: usage();
2176: }
2177:
1.23 djm 2178: addargs(&args, "-oProtocol %d", sshver);
2179:
2180: /* no subsystem if the server-spec contains a '/' */
2181: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2182: addargs(&args, "-s");
2183:
1.115 guenther 2184: addargs(&args, "--");
1.23 djm 2185: addargs(&args, "%s", host);
1.27 markus 2186: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2187: sftp_server : "sftp"));
2188:
1.36 djm 2189: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2190: } else {
2191: args.list = NULL;
2192: addargs(&args, "sftp-server");
2193:
1.36 djm 2194: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2195: }
1.70 djm 2196: freeargs(&args);
1.1 djm 2197:
1.126 djm 2198: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2199: if (conn == NULL)
2200: fatal("Couldn't initialise connection to server");
2201:
2202: if (!batchmode) {
2203: if (sftp_direct == NULL)
2204: fprintf(stderr, "Connected to %s.\n", host);
2205: else
2206: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2207: }
2208:
2209: err = interactive_loop(conn, file1, file2);
1.1 djm 2210:
2211: close(in);
2212: close(out);
1.39 djm 2213: if (batchmode)
1.10 deraadt 2214: fclose(infile);
1.1 djm 2215:
1.28 markus 2216: while (waitpid(sshpid, NULL, 0) == -1)
2217: if (errno != EINTR)
2218: fatal("Couldn't wait for ssh process: %s",
2219: strerror(errno));
1.1 djm 2220:
1.33 djm 2221: exit(err == 0 ? 0 : 1);
1.1 djm 2222: }