Annotation of src/usr.bin/ssh/sftp.c, Revision 1.145
1.145 ! djm 1: /* $OpenBSD: sftp.c,v 1.144 2013/05/16 09:08:41 dtucker 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:
1.143 djm 62: /* Suppress diagnositic messages */
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:
71: /* When this option is set, the file transfers will always preserve times */
72: int global_pflag = 0;
73:
1.46 djm 74: /* SIGINT received during command processing */
75: volatile sig_atomic_t interrupted = 0;
76:
1.52 djm 77: /* I wish qsort() took a separate ctx for the comparison function...*/
78: int sort_flag;
79:
1.116 djm 80: /* Context used for commandline completion */
81: struct complete_ctx {
82: struct sftp_conn *conn;
83: char **remote_pathp;
84: };
85:
1.44 djm 86: int remote_glob(struct sftp_conn *, const char *, int,
87: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
88:
89: /* Separators for interactive commands */
90: #define WHITESPACE " \t\r\n"
91:
1.52 djm 92: /* ls flags */
1.119 djm 93: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
94: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
95: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
96: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
97: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
98: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
99: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
100: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
101: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 102:
1.119 djm 103: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 104: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 105:
106: /* Commands for interactive mode */
107: #define I_CHDIR 1
108: #define I_CHGRP 2
109: #define I_CHMOD 3
110: #define I_CHOWN 4
1.100 djm 111: #define I_DF 24
1.44 djm 112: #define I_GET 5
113: #define I_HELP 6
114: #define I_LCHDIR 7
1.132 djm 115: #define I_LINK 25
1.44 djm 116: #define I_LLS 8
117: #define I_LMKDIR 9
118: #define I_LPWD 10
119: #define I_LS 11
120: #define I_LUMASK 12
121: #define I_MKDIR 13
122: #define I_PUT 14
123: #define I_PWD 15
124: #define I_QUIT 16
125: #define I_RENAME 17
126: #define I_RM 18
127: #define I_RMDIR 19
128: #define I_SHELL 20
129: #define I_SYMLINK 21
130: #define I_VERSION 22
131: #define I_PROGRESS 23
132:
133: struct CMD {
134: const char *c;
135: const int n;
1.116 djm 136: const int t;
1.44 djm 137: };
138:
1.116 djm 139: /* Type of completion */
140: #define NOARGS 0
141: #define REMOTE 1
142: #define LOCAL 2
143:
1.44 djm 144: static const struct CMD cmds[] = {
1.116 djm 145: { "bye", I_QUIT, NOARGS },
146: { "cd", I_CHDIR, REMOTE },
147: { "chdir", I_CHDIR, REMOTE },
148: { "chgrp", I_CHGRP, REMOTE },
149: { "chmod", I_CHMOD, REMOTE },
150: { "chown", I_CHOWN, REMOTE },
151: { "df", I_DF, REMOTE },
152: { "dir", I_LS, REMOTE },
153: { "exit", I_QUIT, NOARGS },
154: { "get", I_GET, REMOTE },
155: { "help", I_HELP, NOARGS },
156: { "lcd", I_LCHDIR, LOCAL },
157: { "lchdir", I_LCHDIR, LOCAL },
158: { "lls", I_LLS, LOCAL },
159: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 160: { "ln", I_LINK, REMOTE },
1.116 djm 161: { "lpwd", I_LPWD, LOCAL },
162: { "ls", I_LS, REMOTE },
163: { "lumask", I_LUMASK, NOARGS },
164: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 165: { "mget", I_GET, REMOTE },
166: { "mput", I_PUT, LOCAL },
1.116 djm 167: { "progress", I_PROGRESS, NOARGS },
168: { "put", I_PUT, LOCAL },
169: { "pwd", I_PWD, REMOTE },
170: { "quit", I_QUIT, NOARGS },
171: { "rename", I_RENAME, REMOTE },
172: { "rm", I_RM, REMOTE },
173: { "rmdir", I_RMDIR, REMOTE },
174: { "symlink", I_SYMLINK, REMOTE },
175: { "version", I_VERSION, NOARGS },
176: { "!", I_SHELL, NOARGS },
177: { "?", I_HELP, NOARGS },
178: { NULL, -1, -1 }
1.44 djm 179: };
180:
1.112 djm 181: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 182:
1.96 stevesk 183: /* ARGSUSED */
1.44 djm 184: static void
1.46 djm 185: killchild(int signo)
186: {
1.61 dtucker 187: if (sshpid > 1) {
1.46 djm 188: kill(sshpid, SIGTERM);
1.61 dtucker 189: waitpid(sshpid, NULL, 0);
190: }
1.46 djm 191:
192: _exit(1);
193: }
194:
1.96 stevesk 195: /* ARGSUSED */
1.46 djm 196: static void
197: cmd_interrupt(int signo)
198: {
199: const char msg[] = "\rInterrupt \n";
1.59 djm 200: int olderrno = errno;
1.46 djm 201:
1.144 dtucker 202: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 203: interrupted = 1;
1.59 djm 204: errno = olderrno;
1.46 djm 205: }
206:
207: static void
1.44 djm 208: help(void)
209: {
1.106 sobrado 210: printf("Available commands:\n"
211: "bye Quit sftp\n"
212: "cd path Change remote directory to 'path'\n"
213: "chgrp grp path Change group of file 'path' to 'grp'\n"
214: "chmod mode path Change permissions of file 'path' to 'mode'\n"
215: "chown own path Change owner of file 'path' to 'own'\n"
216: "df [-hi] [path] Display statistics for current directory or\n"
217: " filesystem containing 'path'\n"
218: "exit Quit sftp\n"
1.121 jmc 219: "get [-Ppr] remote [local] Download file\n"
1.106 sobrado 220: "help Display this help text\n"
221: "lcd path Change local directory to 'path'\n"
222: "lls [ls-options [path]] Display local directory listing\n"
223: "lmkdir path Create local directory\n"
1.132 djm 224: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 225: "lpwd Print local working directory\n"
1.121 jmc 226: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 227: "lumask umask Set local umask to 'umask'\n"
228: "mkdir path Create remote directory\n"
229: "progress Toggle display of progress meter\n"
1.121 jmc 230: "put [-Ppr] local [remote] Upload file\n"
1.106 sobrado 231: "pwd Display remote working directory\n"
232: "quit Quit sftp\n"
233: "rename oldpath newpath Rename remote file\n"
234: "rm path Delete remote file\n"
235: "rmdir path Remove remote directory\n"
236: "symlink oldpath newpath Symlink remote file\n"
237: "version Show SFTP version\n"
238: "!command Execute 'command' in local shell\n"
239: "! Escape to local shell\n"
240: "? Synonym for help\n");
1.44 djm 241: }
242:
243: static void
244: local_do_shell(const char *args)
245: {
246: int status;
247: char *shell;
248: pid_t pid;
249:
250: if (!*args)
251: args = NULL;
252:
1.130 djm 253: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 254: shell = _PATH_BSHELL;
255:
256: if ((pid = fork()) == -1)
257: fatal("Couldn't fork: %s", strerror(errno));
258:
259: if (pid == 0) {
260: /* XXX: child has pipe fds to ssh subproc open - issue? */
261: if (args) {
262: debug3("Executing %s -c \"%s\"", shell, args);
263: execl(shell, shell, "-c", args, (char *)NULL);
264: } else {
265: debug3("Executing %s", shell);
266: execl(shell, shell, (char *)NULL);
267: }
268: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
269: strerror(errno));
270: _exit(1);
271: }
272: while (waitpid(pid, &status, 0) == -1)
273: if (errno != EINTR)
274: fatal("Couldn't wait for child: %s", strerror(errno));
275: if (!WIFEXITED(status))
1.78 djm 276: error("Shell exited abnormally");
1.44 djm 277: else if (WEXITSTATUS(status))
278: error("Shell exited with status %d", WEXITSTATUS(status));
279: }
280:
281: static void
282: local_do_ls(const char *args)
283: {
284: if (!args || !*args)
285: local_do_shell(_PATH_LS);
286: else {
287: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
288: char *buf = xmalloc(len);
289:
290: /* XXX: quoting - rip quoting code from ftp? */
291: snprintf(buf, len, _PATH_LS " %s", args);
292: local_do_shell(buf);
1.145 ! djm 293: free(buf);
1.44 djm 294: }
295: }
296:
297: /* Strip one path (usually the pwd) from the start of another */
298: static char *
299: path_strip(char *path, char *strip)
300: {
301: size_t len;
302:
303: if (strip == NULL)
304: return (xstrdup(path));
305:
306: len = strlen(strip);
1.59 djm 307: if (strncmp(path, strip, len) == 0) {
1.44 djm 308: if (strip[len - 1] != '/' && path[len] == '/')
309: len++;
310: return (xstrdup(path + len));
311: }
312:
313: return (xstrdup(path));
314: }
315:
316: static char *
317: make_absolute(char *p, char *pwd)
318: {
1.51 avsm 319: char *abs_str;
1.44 djm 320:
321: /* Derelativise */
322: if (p && p[0] != '/') {
1.51 avsm 323: abs_str = path_append(pwd, p);
1.145 ! djm 324: free(p);
1.51 avsm 325: return(abs_str);
1.44 djm 326: } else
327: return(p);
328: }
329:
330: static int
1.111 djm 331: parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag,
332: int *rflag)
1.44 djm 333: {
1.102 martynas 334: extern int opterr, optind, optopt, optreset;
1.97 djm 335: int ch;
1.44 djm 336:
1.97 djm 337: optind = optreset = 1;
338: opterr = 0;
339:
1.111 djm 340: *rflag = *pflag = 0;
341: while ((ch = getopt(argc, argv, "PpRr")) != -1) {
1.97 djm 342: switch (ch) {
1.44 djm 343: case 'p':
344: case 'P':
345: *pflag = 1;
346: break;
1.111 djm 347: case 'r':
348: case 'R':
349: *rflag = 1;
350: break;
1.44 djm 351: default:
1.102 martynas 352: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 353: return -1;
1.44 djm 354: }
355: }
356:
1.97 djm 357: return optind;
1.44 djm 358: }
359:
360: static int
1.132 djm 361: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
362: {
363: extern int opterr, optind, optopt, optreset;
364: int ch;
365:
366: optind = optreset = 1;
367: opterr = 0;
368:
369: *sflag = 0;
370: while ((ch = getopt(argc, argv, "s")) != -1) {
371: switch (ch) {
372: case 's':
373: *sflag = 1;
374: break;
375: default:
376: error("%s: Invalid flag -%c", cmd, optopt);
377: return -1;
378: }
379: }
380:
381: return optind;
382: }
383:
384: static int
1.97 djm 385: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 386: {
1.102 martynas 387: extern int opterr, optind, optopt, optreset;
1.97 djm 388: int ch;
389:
390: optind = optreset = 1;
391: opterr = 0;
1.44 djm 392:
1.53 djm 393: *lflag = LS_NAME_SORT;
1.119 djm 394: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 395: switch (ch) {
396: case '1':
397: *lflag &= ~VIEW_FLAGS;
398: *lflag |= LS_SHORT_VIEW;
399: break;
400: case 'S':
401: *lflag &= ~SORT_FLAGS;
402: *lflag |= LS_SIZE_SORT;
403: break;
404: case 'a':
405: *lflag |= LS_SHOW_ALL;
406: break;
407: case 'f':
408: *lflag &= ~SORT_FLAGS;
409: break;
1.119 djm 410: case 'h':
411: *lflag |= LS_SI_UNITS;
412: break;
1.97 djm 413: case 'l':
1.119 djm 414: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 415: *lflag |= LS_LONG_VIEW;
416: break;
417: case 'n':
1.119 djm 418: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 419: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
420: break;
421: case 'r':
422: *lflag |= LS_REVERSE_SORT;
423: break;
424: case 't':
425: *lflag &= ~SORT_FLAGS;
426: *lflag |= LS_TIME_SORT;
427: break;
428: default:
1.102 martynas 429: error("ls: Invalid flag -%c", optopt);
1.97 djm 430: return -1;
1.44 djm 431: }
432: }
433:
1.97 djm 434: return optind;
1.44 djm 435: }
436:
437: static int
1.100 djm 438: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
439: {
1.102 martynas 440: extern int opterr, optind, optopt, optreset;
1.100 djm 441: int ch;
442:
443: optind = optreset = 1;
444: opterr = 0;
445:
446: *hflag = *iflag = 0;
447: while ((ch = getopt(argc, argv, "hi")) != -1) {
448: switch (ch) {
449: case 'h':
450: *hflag = 1;
451: break;
452: case 'i':
453: *iflag = 1;
454: break;
455: default:
1.102 martynas 456: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 457: return -1;
458: }
459: }
460:
461: return optind;
462: }
463:
464: static int
1.44 djm 465: is_dir(char *path)
466: {
467: struct stat sb;
468:
469: /* XXX: report errors? */
470: if (stat(path, &sb) == -1)
471: return(0);
472:
1.92 otto 473: return(S_ISDIR(sb.st_mode));
1.44 djm 474: }
475:
476: static int
477: remote_is_dir(struct sftp_conn *conn, char *path)
478: {
479: Attrib *a;
480:
481: /* XXX: report errors? */
482: if ((a = do_stat(conn, path, 1)) == NULL)
483: return(0);
484: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
485: return(0);
1.92 otto 486: return(S_ISDIR(a->perm));
1.44 djm 487: }
488:
1.111 djm 489: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
490: static int
491: pathname_is_dir(char *pathname)
492: {
493: size_t l = strlen(pathname);
494:
495: return l > 0 && pathname[l - 1] == '/';
496: }
497:
1.44 djm 498: static int
1.111 djm 499: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
500: int pflag, int rflag)
1.44 djm 501: {
502: char *abs_src = NULL;
503: char *abs_dst = NULL;
504: glob_t g;
1.111 djm 505: char *filename, *tmp=NULL;
506: int i, err = 0;
1.44 djm 507:
508: abs_src = xstrdup(src);
509: abs_src = make_absolute(abs_src, pwd);
1.111 djm 510: memset(&g, 0, sizeof(g));
1.44 djm 511:
512: debug3("Looking up %s", abs_src);
1.111 djm 513: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 514: error("File \"%s\" not found.", abs_src);
515: err = -1;
516: goto out;
517: }
518:
1.111 djm 519: /*
520: * If multiple matches then dst must be a directory or
521: * unspecified.
522: */
523: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
524: error("Multiple source paths, but destination "
525: "\"%s\" is not a directory", dst);
1.44 djm 526: err = -1;
527: goto out;
528: }
529:
1.46 djm 530: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 531: tmp = xstrdup(g.gl_pathv[i]);
532: if ((filename = basename(tmp)) == NULL) {
533: error("basename %s: %s", tmp, strerror(errno));
1.145 ! djm 534: free(tmp);
1.44 djm 535: err = -1;
536: goto out;
537: }
538:
539: if (g.gl_matchc == 1 && dst) {
540: if (is_dir(dst)) {
1.111 djm 541: abs_dst = path_append(dst, filename);
542: } else {
1.44 djm 543: abs_dst = xstrdup(dst);
1.111 djm 544: }
1.44 djm 545: } else if (dst) {
1.111 djm 546: abs_dst = path_append(dst, filename);
547: } else {
548: abs_dst = xstrdup(filename);
549: }
1.145 ! djm 550: free(tmp);
1.44 djm 551:
1.143 djm 552: if (!quiet)
553: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 554: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
555: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
556: pflag || global_pflag, 1) == -1)
557: err = -1;
558: } else {
559: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
560: pflag || global_pflag) == -1)
561: err = -1;
562: }
1.145 ! djm 563: free(abs_dst);
1.44 djm 564: abs_dst = NULL;
565: }
566:
567: out:
1.145 ! djm 568: free(abs_src);
1.44 djm 569: globfree(&g);
570: return(err);
571: }
572:
573: static int
1.111 djm 574: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
575: int pflag, int rflag)
1.44 djm 576: {
577: char *tmp_dst = NULL;
578: char *abs_dst = NULL;
1.111 djm 579: char *tmp = NULL, *filename = NULL;
1.44 djm 580: glob_t g;
581: int err = 0;
1.111 djm 582: int i, dst_is_dir = 1;
1.99 djm 583: struct stat sb;
1.44 djm 584:
585: if (dst) {
586: tmp_dst = xstrdup(dst);
587: tmp_dst = make_absolute(tmp_dst, pwd);
588: }
589:
590: memset(&g, 0, sizeof(g));
591: debug3("Looking up %s", src);
1.111 djm 592: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 593: error("File \"%s\" not found.", src);
594: err = -1;
595: goto out;
596: }
597:
1.111 djm 598: /* If we aren't fetching to pwd then stash this status for later */
599: if (tmp_dst != NULL)
600: dst_is_dir = remote_is_dir(conn, tmp_dst);
601:
1.44 djm 602: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 603: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
604: error("Multiple paths match, but destination "
605: "\"%s\" is not a directory", tmp_dst);
1.44 djm 606: err = -1;
607: goto out;
608: }
609:
1.46 djm 610: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 611: if (stat(g.gl_pathv[i], &sb) == -1) {
612: err = -1;
613: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
614: continue;
615: }
1.111 djm 616:
617: tmp = xstrdup(g.gl_pathv[i]);
618: if ((filename = basename(tmp)) == NULL) {
619: error("basename %s: %s", tmp, strerror(errno));
1.145 ! djm 620: free(tmp);
1.44 djm 621: err = -1;
622: goto out;
623: }
624:
625: if (g.gl_matchc == 1 && tmp_dst) {
626: /* If directory specified, append filename */
1.111 djm 627: if (dst_is_dir)
628: abs_dst = path_append(tmp_dst, filename);
629: else
1.44 djm 630: abs_dst = xstrdup(tmp_dst);
631: } else if (tmp_dst) {
1.111 djm 632: abs_dst = path_append(tmp_dst, filename);
633: } else {
634: abs_dst = make_absolute(xstrdup(filename), pwd);
635: }
1.145 ! djm 636: free(tmp);
1.44 djm 637:
1.143 djm 638: if (!quiet)
639: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 640: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
641: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
642: pflag || global_pflag, 1) == -1)
643: err = -1;
644: } else {
645: if (do_upload(conn, g.gl_pathv[i], abs_dst,
646: pflag || global_pflag) == -1)
647: err = -1;
648: }
1.44 djm 649: }
650:
651: out:
1.145 ! djm 652: free(abs_dst);
! 653: free(tmp_dst);
1.44 djm 654: globfree(&g);
655: return(err);
656: }
657:
658: static int
659: sdirent_comp(const void *aa, const void *bb)
660: {
661: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
662: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 663: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 664:
1.52 djm 665: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 666: if (sort_flag & LS_NAME_SORT)
1.52 djm 667: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 668: else if (sort_flag & LS_TIME_SORT)
1.52 djm 669: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 670: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 671: return (rmul * NCMP(a->a.size, b->a.size));
672:
673: fatal("Unknown ls sort type");
1.44 djm 674: }
675:
676: /* sftp ls.1 replacement for directories */
677: static int
678: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
679: {
1.64 djm 680: int n;
681: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 682: SFTP_DIRENT **d;
683:
684: if ((n = do_readdir(conn, path, &d)) != 0)
685: return (n);
686:
1.53 djm 687: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 688: u_int m = 0, width = 80;
1.44 djm 689: struct winsize ws;
690: char *tmp;
691:
692: /* Count entries for sort and find longest filename */
1.54 djm 693: for (n = 0; d[n] != NULL; n++) {
694: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
695: m = MAX(m, strlen(d[n]->filename));
696: }
1.44 djm 697:
698: /* Add any subpath that also needs to be counted */
699: tmp = path_strip(path, strip_path);
700: m += strlen(tmp);
1.145 ! djm 701: free(tmp);
1.44 djm 702:
703: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
704: width = ws.ws_col;
705:
706: columns = width / (m + 2);
707: columns = MAX(columns, 1);
708: colspace = width / columns;
709: colspace = MIN(colspace, width);
710: }
711:
1.52 djm 712: if (lflag & SORT_FLAGS) {
1.68 dtucker 713: for (n = 0; d[n] != NULL; n++)
714: ; /* count entries */
1.53 djm 715: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 716: qsort(d, n, sizeof(*d), sdirent_comp);
717: }
1.44 djm 718:
1.46 djm 719: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 720: char *tmp, *fname;
1.54 djm 721:
722: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
723: continue;
1.44 djm 724:
725: tmp = path_append(path, d[n]->filename);
726: fname = path_strip(tmp, strip_path);
1.145 ! djm 727: free(tmp);
1.44 djm 728:
1.53 djm 729: if (lflag & LS_LONG_VIEW) {
1.119 djm 730: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 731: char *lname;
732: struct stat sb;
733:
734: memset(&sb, 0, sizeof(sb));
735: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 736: lname = ls_file(fname, &sb, 1,
737: (lflag & LS_SI_UNITS));
1.50 djm 738: printf("%s\n", lname);
1.145 ! djm 739: free(lname);
1.50 djm 740: } else
741: printf("%s\n", d[n]->longname);
1.44 djm 742: } else {
743: printf("%-*s", colspace, fname);
744: if (c >= columns) {
745: printf("\n");
746: c = 1;
747: } else
748: c++;
749: }
750:
1.145 ! djm 751: free(fname);
1.44 djm 752: }
753:
1.53 djm 754: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 755: printf("\n");
756:
757: free_sftp_dirents(d);
758: return (0);
759: }
760:
761: /* sftp ls.1 replacement which handles path globs */
762: static int
763: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
764: int lflag)
765: {
1.129 djm 766: char *fname, *lname;
1.44 djm 767: glob_t g;
1.128 djm 768: int err;
1.129 djm 769: struct winsize ws;
770: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 771:
772: memset(&g, 0, sizeof(g));
773:
1.128 djm 774: if (remote_glob(conn, path,
1.133 djm 775: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
776: NULL, &g) ||
1.128 djm 777: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 778: if (g.gl_pathc)
779: globfree(&g);
1.44 djm 780: error("Can't ls: \"%s\" not found", path);
1.128 djm 781: return -1;
1.44 djm 782: }
783:
1.46 djm 784: if (interrupted)
785: goto out;
786:
1.44 djm 787: /*
1.60 fgsch 788: * If the glob returns a single match and it is a directory,
789: * then just list its contents.
1.44 djm 790: */
1.128 djm 791: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
792: S_ISDIR(g.gl_statv[0]->st_mode)) {
793: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
794: globfree(&g);
795: return err;
1.44 djm 796: }
797:
1.129 djm 798: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
799: width = ws.ws_col;
800:
1.53 djm 801: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 802: /* Count entries for sort and find longest filename */
803: for (i = 0; g.gl_pathv[i]; i++)
804: m = MAX(m, strlen(g.gl_pathv[i]));
805:
806: columns = width / (m + 2);
807: columns = MAX(columns, 1);
808: colspace = width / columns;
809: }
810:
1.136 dtucker 811: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 812: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 813: if (lflag & LS_LONG_VIEW) {
1.128 djm 814: if (g.gl_statv[i] == NULL) {
815: error("no stat information for %s", fname);
816: continue;
817: }
818: lname = ls_file(fname, g.gl_statv[i], 1,
819: (lflag & LS_SI_UNITS));
1.44 djm 820: printf("%s\n", lname);
1.145 ! djm 821: free(lname);
1.44 djm 822: } else {
823: printf("%-*s", colspace, fname);
824: if (c >= columns) {
825: printf("\n");
826: c = 1;
827: } else
828: c++;
829: }
1.145 ! djm 830: free(fname);
1.44 djm 831: }
832:
1.53 djm 833: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 834: printf("\n");
835:
1.46 djm 836: out:
1.44 djm 837: if (g.gl_pathc)
838: globfree(&g);
839:
1.128 djm 840: return 0;
1.44 djm 841: }
842:
1.100 djm 843: static int
844: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
845: {
1.101 dtucker 846: struct sftp_statvfs st;
1.100 djm 847: char s_used[FMT_SCALED_STRSIZE];
848: char s_avail[FMT_SCALED_STRSIZE];
849: char s_root[FMT_SCALED_STRSIZE];
850: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 851: unsigned long long ffree;
1.100 djm 852:
853: if (do_statvfs(conn, path, &st, 1) == -1)
854: return -1;
855: if (iflag) {
1.114 dtucker 856: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 857: printf(" Inodes Used Avail "
858: "(root) %%Capacity\n");
859: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
860: (unsigned long long)st.f_files,
861: (unsigned long long)(st.f_files - st.f_ffree),
862: (unsigned long long)st.f_favail,
1.114 dtucker 863: (unsigned long long)st.f_ffree, ffree);
1.100 djm 864: } else if (hflag) {
865: strlcpy(s_used, "error", sizeof(s_used));
866: strlcpy(s_avail, "error", sizeof(s_avail));
867: strlcpy(s_root, "error", sizeof(s_root));
868: strlcpy(s_total, "error", sizeof(s_total));
869: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
870: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
871: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
872: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
873: printf(" Size Used Avail (root) %%Capacity\n");
874: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
875: s_total, s_used, s_avail, s_root,
876: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
877: st.f_blocks));
878: } else {
879: printf(" Size Used Avail "
880: "(root) %%Capacity\n");
881: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
882: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
883: (unsigned long long)(st.f_frsize *
884: (st.f_blocks - st.f_bfree) / 1024),
885: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
886: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
887: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
888: st.f_blocks));
889: }
890: return 0;
891: }
892:
1.97 djm 893: /*
894: * Undo escaping of glob sequences in place. Used to undo extra escaping
895: * applied in makeargv() when the string is destined for a function that
896: * does not glob it.
897: */
898: static void
899: undo_glob_escape(char *s)
900: {
901: size_t i, j;
902:
903: for (i = j = 0;;) {
904: if (s[i] == '\0') {
905: s[j] = '\0';
906: return;
907: }
908: if (s[i] != '\\') {
909: s[j++] = s[i++];
910: continue;
911: }
912: /* s[i] == '\\' */
913: ++i;
914: switch (s[i]) {
915: case '?':
916: case '[':
917: case '*':
918: case '\\':
919: s[j++] = s[i++];
920: break;
921: case '\0':
922: s[j++] = '\\';
923: s[j] = '\0';
924: return;
925: default:
926: s[j++] = '\\';
927: s[j++] = s[i++];
928: break;
929: }
930: }
931: }
932:
933: /*
934: * Split a string into an argument vector using sh(1)-style quoting,
935: * comment and escaping rules, but with some tweaks to handle glob(3)
936: * wildcards.
1.116 djm 937: * The "sloppy" flag allows for recovery from missing terminating quote, for
938: * use in parsing incomplete commandlines during tab autocompletion.
939: *
1.97 djm 940: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 941: *
942: * If "lastquote" is not NULL, the quoting character used for the last
943: * argument is placed in *lastquote ("\0", "'" or "\"").
944: *
945: * If "terminated" is not NULL, *terminated will be set to 1 when the
946: * last argument's quote has been properly terminated or 0 otherwise.
947: * This parameter is only of use if "sloppy" is set.
1.97 djm 948: */
949: #define MAXARGS 128
950: #define MAXARGLEN 8192
951: static char **
1.116 djm 952: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
953: u_int *terminated)
1.97 djm 954: {
955: int argc, quot;
956: size_t i, j;
957: static char argvs[MAXARGLEN];
958: static char *argv[MAXARGS + 1];
959: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
960:
961: *argcp = argc = 0;
962: if (strlen(arg) > sizeof(argvs) - 1) {
963: args_too_longs:
964: error("string too long");
965: return NULL;
966: }
1.116 djm 967: if (terminated != NULL)
968: *terminated = 1;
969: if (lastquote != NULL)
970: *lastquote = '\0';
1.97 djm 971: state = MA_START;
972: i = j = 0;
973: for (;;) {
1.141 markus 974: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 975: error("Too many arguments.");
976: return NULL;
977: }
1.97 djm 978: if (isspace(arg[i])) {
979: if (state == MA_UNQUOTED) {
980: /* Terminate current argument */
981: argvs[j++] = '\0';
982: argc++;
983: state = MA_START;
984: } else if (state != MA_START)
985: argvs[j++] = arg[i];
986: } else if (arg[i] == '"' || arg[i] == '\'') {
987: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
988: if (state == MA_START) {
989: argv[argc] = argvs + j;
990: state = q;
1.116 djm 991: if (lastquote != NULL)
992: *lastquote = arg[i];
1.97 djm 993: } else if (state == MA_UNQUOTED)
994: state = q;
995: else if (state == q)
996: state = MA_UNQUOTED;
997: else
998: argvs[j++] = arg[i];
999: } else if (arg[i] == '\\') {
1000: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1001: quot = state == MA_SQUOTE ? '\'' : '"';
1002: /* Unescape quote we are in */
1003: /* XXX support \n and friends? */
1004: if (arg[i + 1] == quot) {
1005: i++;
1006: argvs[j++] = arg[i];
1007: } else if (arg[i + 1] == '?' ||
1008: arg[i + 1] == '[' || arg[i + 1] == '*') {
1009: /*
1010: * Special case for sftp: append
1011: * double-escaped glob sequence -
1012: * glob will undo one level of
1013: * escaping. NB. string can grow here.
1014: */
1015: if (j >= sizeof(argvs) - 5)
1016: goto args_too_longs;
1017: argvs[j++] = '\\';
1018: argvs[j++] = arg[i++];
1019: argvs[j++] = '\\';
1020: argvs[j++] = arg[i];
1021: } else {
1022: argvs[j++] = arg[i++];
1023: argvs[j++] = arg[i];
1024: }
1025: } else {
1026: if (state == MA_START) {
1027: argv[argc] = argvs + j;
1028: state = MA_UNQUOTED;
1.116 djm 1029: if (lastquote != NULL)
1030: *lastquote = '\0';
1.97 djm 1031: }
1032: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1033: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1034: /*
1035: * Special case for sftp: append
1036: * escaped glob sequence -
1037: * glob will undo one level of
1038: * escaping.
1039: */
1040: argvs[j++] = arg[i++];
1041: argvs[j++] = arg[i];
1042: } else {
1043: /* Unescape everything */
1044: /* XXX support \n and friends? */
1045: i++;
1046: argvs[j++] = arg[i];
1047: }
1048: }
1049: } else if (arg[i] == '#') {
1050: if (state == MA_SQUOTE || state == MA_DQUOTE)
1051: argvs[j++] = arg[i];
1052: else
1053: goto string_done;
1054: } else if (arg[i] == '\0') {
1055: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1056: if (sloppy) {
1057: state = MA_UNQUOTED;
1058: if (terminated != NULL)
1059: *terminated = 0;
1060: goto string_done;
1061: }
1.97 djm 1062: error("Unterminated quoted argument");
1063: return NULL;
1064: }
1065: string_done:
1066: if (state == MA_UNQUOTED) {
1067: argvs[j++] = '\0';
1068: argc++;
1069: }
1070: break;
1071: } else {
1072: if (state == MA_START) {
1073: argv[argc] = argvs + j;
1074: state = MA_UNQUOTED;
1.116 djm 1075: if (lastquote != NULL)
1076: *lastquote = '\0';
1.97 djm 1077: }
1078: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1079: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1080: /*
1081: * Special case for sftp: escape quoted
1082: * glob(3) wildcards. NB. string can grow
1083: * here.
1084: */
1085: if (j >= sizeof(argvs) - 3)
1086: goto args_too_longs;
1087: argvs[j++] = '\\';
1088: argvs[j++] = arg[i];
1089: } else
1090: argvs[j++] = arg[i];
1091: }
1092: i++;
1093: }
1094: *argcp = argc;
1095: return argv;
1096: }
1097:
1.44 djm 1098: static int
1.116 djm 1099: parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag,
1.132 djm 1100: int *hflag, int *sflag, unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1101: {
1102: const char *cmd, *cp = *cpp;
1.97 djm 1103: char *cp2, **argv;
1.44 djm 1104: int base = 0;
1105: long l;
1.97 djm 1106: int i, cmdnum, optidx, argc;
1.44 djm 1107:
1108: /* Skip leading whitespace */
1109: cp = cp + strspn(cp, WHITESPACE);
1110:
1111: /* Check for leading '-' (disable error processing) */
1112: *iflag = 0;
1113: if (*cp == '-') {
1114: *iflag = 1;
1115: cp++;
1.118 dtucker 1116: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1117: }
1.118 dtucker 1118:
1119: /* Ignore blank lines and lines which begin with comment '#' char */
1120: if (*cp == '\0' || *cp == '#')
1121: return (0);
1.44 djm 1122:
1.116 djm 1123: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1124: return -1;
1125:
1.44 djm 1126: /* Figure out which command we have */
1.97 djm 1127: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1128: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1129: break;
1130: }
1131: cmdnum = cmds[i].n;
1132: cmd = cmds[i].c;
1133:
1134: /* Special case */
1135: if (*cp == '!') {
1136: cp++;
1137: cmdnum = I_SHELL;
1138: } else if (cmdnum == -1) {
1139: error("Invalid command.");
1.97 djm 1140: return -1;
1.44 djm 1141: }
1142:
1143: /* Get arguments and parse flags */
1.111 djm 1144: *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
1.44 djm 1145: *path1 = *path2 = NULL;
1.97 djm 1146: optidx = 1;
1.44 djm 1147: switch (cmdnum) {
1148: case I_GET:
1149: case I_PUT:
1.132 djm 1150: if ((optidx = parse_getput_flags(cmd, argv, argc,
1151: pflag, rflag)) == -1)
1.97 djm 1152: return -1;
1.44 djm 1153: /* Get first pathname (mandatory) */
1.97 djm 1154: if (argc - optidx < 1) {
1.44 djm 1155: error("You must specify at least one path after a "
1156: "%s command.", cmd);
1.97 djm 1157: return -1;
1158: }
1159: *path1 = xstrdup(argv[optidx]);
1160: /* Get second pathname (optional) */
1161: if (argc - optidx > 1) {
1162: *path2 = xstrdup(argv[optidx + 1]);
1163: /* Destination is not globbed */
1164: undo_glob_escape(*path2);
1.44 djm 1165: }
1166: break;
1.132 djm 1167: case I_LINK:
1168: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1169: return -1;
1170: case I_SYMLINK:
1.44 djm 1171: case I_RENAME:
1.97 djm 1172: if (argc - optidx < 2) {
1.44 djm 1173: error("You must specify two paths after a %s "
1174: "command.", cmd);
1.97 djm 1175: return -1;
1.44 djm 1176: }
1.97 djm 1177: *path1 = xstrdup(argv[optidx]);
1178: *path2 = xstrdup(argv[optidx + 1]);
1179: /* Paths are not globbed */
1180: undo_glob_escape(*path1);
1181: undo_glob_escape(*path2);
1.44 djm 1182: break;
1183: case I_RM:
1184: case I_MKDIR:
1185: case I_RMDIR:
1186: case I_CHDIR:
1187: case I_LCHDIR:
1188: case I_LMKDIR:
1189: /* Get pathname (mandatory) */
1.97 djm 1190: if (argc - optidx < 1) {
1.44 djm 1191: error("You must specify a path after a %s command.",
1192: cmd);
1.97 djm 1193: return -1;
1.44 djm 1194: }
1.97 djm 1195: *path1 = xstrdup(argv[optidx]);
1196: /* Only "rm" globs */
1197: if (cmdnum != I_RM)
1198: undo_glob_escape(*path1);
1.44 djm 1199: break;
1.100 djm 1200: case I_DF:
1201: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1202: iflag)) == -1)
1203: return -1;
1204: /* Default to current directory if no path specified */
1205: if (argc - optidx < 1)
1206: *path1 = NULL;
1207: else {
1208: *path1 = xstrdup(argv[optidx]);
1209: undo_glob_escape(*path1);
1210: }
1211: break;
1.44 djm 1212: case I_LS:
1.97 djm 1213: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1214: return(-1);
1215: /* Path is optional */
1.97 djm 1216: if (argc - optidx > 0)
1217: *path1 = xstrdup(argv[optidx]);
1.44 djm 1218: break;
1219: case I_LLS:
1.98 djm 1220: /* Skip ls command and following whitespace */
1221: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1222: case I_SHELL:
1223: /* Uses the rest of the line */
1224: break;
1225: case I_LUMASK:
1226: case I_CHMOD:
1227: base = 8;
1228: case I_CHOWN:
1229: case I_CHGRP:
1230: /* Get numeric arg (mandatory) */
1.97 djm 1231: if (argc - optidx < 1)
1232: goto need_num_arg;
1.93 ray 1233: errno = 0;
1.97 djm 1234: l = strtol(argv[optidx], &cp2, base);
1235: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1236: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1237: l < 0) {
1238: need_num_arg:
1.44 djm 1239: error("You must supply a numeric argument "
1240: "to the %s command.", cmd);
1.97 djm 1241: return -1;
1.44 djm 1242: }
1243: *n_arg = l;
1.97 djm 1244: if (cmdnum == I_LUMASK)
1.44 djm 1245: break;
1246: /* Get pathname (mandatory) */
1.97 djm 1247: if (argc - optidx < 2) {
1.44 djm 1248: error("You must specify a path after a %s command.",
1249: cmd);
1.97 djm 1250: return -1;
1.44 djm 1251: }
1.97 djm 1252: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1253: break;
1254: case I_QUIT:
1255: case I_PWD:
1256: case I_LPWD:
1257: case I_HELP:
1258: case I_VERSION:
1259: case I_PROGRESS:
1260: break;
1261: default:
1262: fatal("Command not implemented");
1263: }
1264:
1265: *cpp = cp;
1266: return(cmdnum);
1267: }
1268:
1269: static int
1270: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1271: int err_abort)
1272: {
1273: char *path1, *path2, *tmp;
1.132 djm 1274: int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, sflag = 0;
1275: int cmdnum, i;
1.107 dtucker 1276: unsigned long n_arg = 0;
1.44 djm 1277: Attrib a, *aa;
1278: char path_buf[MAXPATHLEN];
1279: int err = 0;
1280: glob_t g;
1281:
1282: path1 = path2 = NULL;
1.132 djm 1283: cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag,
1284: &sflag, &n_arg, &path1, &path2);
1.44 djm 1285:
1286: if (iflag != 0)
1287: err_abort = 0;
1288:
1289: memset(&g, 0, sizeof(g));
1290:
1291: /* Perform command */
1292: switch (cmdnum) {
1293: case 0:
1294: /* Blank line */
1295: break;
1296: case -1:
1297: /* Unrecognized command */
1298: err = -1;
1299: break;
1300: case I_GET:
1.111 djm 1301: err = process_get(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1302: break;
1303: case I_PUT:
1.111 djm 1304: err = process_put(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1305: break;
1306: case I_RENAME:
1307: path1 = make_absolute(path1, *pwd);
1308: path2 = make_absolute(path2, *pwd);
1309: err = do_rename(conn, path1, path2);
1310: break;
1311: case I_SYMLINK:
1.132 djm 1312: sflag = 1;
1313: case I_LINK:
1314: path1 = make_absolute(path1, *pwd);
1.44 djm 1315: path2 = make_absolute(path2, *pwd);
1.132 djm 1316: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1317: break;
1318: case I_RM:
1319: path1 = make_absolute(path1, *pwd);
1320: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1321: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1322: if (!quiet)
1323: printf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1324: err = do_rm(conn, g.gl_pathv[i]);
1325: if (err != 0 && err_abort)
1326: break;
1327: }
1328: break;
1329: case I_MKDIR:
1330: path1 = make_absolute(path1, *pwd);
1331: attrib_clear(&a);
1332: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1333: a.perm = 0777;
1.111 djm 1334: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1335: break;
1336: case I_RMDIR:
1337: path1 = make_absolute(path1, *pwd);
1338: err = do_rmdir(conn, path1);
1339: break;
1340: case I_CHDIR:
1341: path1 = make_absolute(path1, *pwd);
1342: if ((tmp = do_realpath(conn, path1)) == NULL) {
1343: err = 1;
1344: break;
1345: }
1346: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 ! djm 1347: free(tmp);
1.44 djm 1348: err = 1;
1349: break;
1350: }
1351: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1352: error("Can't change directory: Can't check target");
1.145 ! djm 1353: free(tmp);
1.44 djm 1354: err = 1;
1355: break;
1356: }
1357: if (!S_ISDIR(aa->perm)) {
1358: error("Can't change directory: \"%s\" is not "
1359: "a directory", tmp);
1.145 ! djm 1360: free(tmp);
1.44 djm 1361: err = 1;
1362: break;
1363: }
1.145 ! djm 1364: free(*pwd);
1.44 djm 1365: *pwd = tmp;
1366: break;
1367: case I_LS:
1368: if (!path1) {
1.125 djm 1369: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1370: break;
1371: }
1372:
1373: /* Strip pwd off beginning of non-absolute paths */
1374: tmp = NULL;
1375: if (*path1 != '/')
1376: tmp = *pwd;
1377:
1378: path1 = make_absolute(path1, *pwd);
1379: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1380: break;
1381: case I_DF:
1382: /* Default to current directory if no path specified */
1383: if (path1 == NULL)
1384: path1 = xstrdup(*pwd);
1385: path1 = make_absolute(path1, *pwd);
1386: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1387: break;
1388: case I_LCHDIR:
1389: if (chdir(path1) == -1) {
1390: error("Couldn't change local directory to "
1391: "\"%s\": %s", path1, strerror(errno));
1392: err = 1;
1393: }
1394: break;
1395: case I_LMKDIR:
1396: if (mkdir(path1, 0777) == -1) {
1397: error("Couldn't create local directory "
1398: "\"%s\": %s", path1, strerror(errno));
1399: err = 1;
1400: }
1401: break;
1402: case I_LLS:
1403: local_do_ls(cmd);
1404: break;
1405: case I_SHELL:
1406: local_do_shell(cmd);
1407: break;
1408: case I_LUMASK:
1409: umask(n_arg);
1410: printf("Local umask: %03lo\n", n_arg);
1411: break;
1412: case I_CHMOD:
1413: path1 = make_absolute(path1, *pwd);
1414: attrib_clear(&a);
1415: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1416: a.perm = n_arg;
1417: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1418: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1419: if (!quiet)
1420: printf("Changing mode on %s\n", g.gl_pathv[i]);
1.44 djm 1421: err = do_setstat(conn, g.gl_pathv[i], &a);
1422: if (err != 0 && err_abort)
1423: break;
1424: }
1425: break;
1426: case I_CHOWN:
1427: case I_CHGRP:
1428: path1 = make_absolute(path1, *pwd);
1429: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1430: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1431: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1432: if (err_abort) {
1433: err = -1;
1.44 djm 1434: break;
1.104 djm 1435: } else
1.44 djm 1436: continue;
1437: }
1438: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1439: error("Can't get current ownership of "
1440: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1441: if (err_abort) {
1442: err = -1;
1.44 djm 1443: break;
1.104 djm 1444: } else
1.44 djm 1445: continue;
1446: }
1447: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1448: if (cmdnum == I_CHOWN) {
1.143 djm 1449: if (!quiet)
1450: printf("Changing owner on %s\n",
1451: g.gl_pathv[i]);
1.44 djm 1452: aa->uid = n_arg;
1453: } else {
1.143 djm 1454: if (!quiet)
1455: printf("Changing group on %s\n",
1456: g.gl_pathv[i]);
1.44 djm 1457: aa->gid = n_arg;
1458: }
1459: err = do_setstat(conn, g.gl_pathv[i], aa);
1460: if (err != 0 && err_abort)
1461: break;
1462: }
1463: break;
1464: case I_PWD:
1465: printf("Remote working directory: %s\n", *pwd);
1466: break;
1467: case I_LPWD:
1468: if (!getcwd(path_buf, sizeof(path_buf))) {
1469: error("Couldn't get local cwd: %s", strerror(errno));
1470: err = -1;
1471: break;
1472: }
1473: printf("Local working directory: %s\n", path_buf);
1474: break;
1475: case I_QUIT:
1476: /* Processed below */
1477: break;
1478: case I_HELP:
1479: help();
1480: break;
1481: case I_VERSION:
1482: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1483: break;
1484: case I_PROGRESS:
1485: showprogress = !showprogress;
1486: if (showprogress)
1487: printf("Progress meter enabled\n");
1488: else
1489: printf("Progress meter disabled\n");
1490: break;
1491: default:
1492: fatal("%d is not implemented", cmdnum);
1493: }
1494:
1495: if (g.gl_pathc)
1496: globfree(&g);
1.145 ! djm 1497: free(path1);
! 1498: free(path2);
1.44 djm 1499:
1500: /* If an unignored error occurs in batch mode we should abort. */
1501: if (err_abort && err != 0)
1502: return (-1);
1503: else if (cmdnum == I_QUIT)
1504: return (1);
1505:
1506: return (0);
1507: }
1508:
1.57 djm 1509: static char *
1510: prompt(EditLine *el)
1511: {
1512: return ("sftp> ");
1513: }
1514:
1.116 djm 1515: /* Display entries in 'list' after skipping the first 'len' chars */
1516: static void
1517: complete_display(char **list, u_int len)
1518: {
1519: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1520: struct winsize ws;
1521: char *tmp;
1522:
1523: /* Count entries for sort and find longest */
1524: for (y = 0; list[y]; y++)
1525: m = MAX(m, strlen(list[y]));
1526:
1527: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1528: width = ws.ws_col;
1529:
1530: m = m > len ? m - len : 0;
1531: columns = width / (m + 2);
1532: columns = MAX(columns, 1);
1533: colspace = width / columns;
1534: colspace = MIN(colspace, width);
1535:
1536: printf("\n");
1537: m = 1;
1538: for (y = 0; list[y]; y++) {
1539: llen = strlen(list[y]);
1540: tmp = llen > len ? list[y] + len : "";
1541: printf("%-*s", colspace, tmp);
1542: if (m >= columns) {
1543: printf("\n");
1544: m = 1;
1545: } else
1546: m++;
1547: }
1548: printf("\n");
1549: }
1550:
1551: /*
1552: * Given a "list" of words that begin with a common prefix of "word",
1553: * attempt to find an autocompletion to extends "word" by the next
1554: * characters common to all entries in "list".
1555: */
1556: static char *
1557: complete_ambiguous(const char *word, char **list, size_t count)
1558: {
1559: if (word == NULL)
1560: return NULL;
1561:
1562: if (count > 0) {
1563: u_int y, matchlen = strlen(list[0]);
1564:
1565: /* Find length of common stem */
1566: for (y = 1; list[y]; y++) {
1567: u_int x;
1568:
1569: for (x = 0; x < matchlen; x++)
1570: if (list[0][x] != list[y][x])
1571: break;
1572:
1573: matchlen = x;
1574: }
1575:
1576: if (matchlen > strlen(word)) {
1577: char *tmp = xstrdup(list[0]);
1578:
1.117 dtucker 1579: tmp[matchlen] = '\0';
1.116 djm 1580: return tmp;
1581: }
1582: }
1583:
1584: return xstrdup(word);
1585: }
1586:
1587: /* Autocomplete a sftp command */
1588: static int
1589: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1590: int terminated)
1591: {
1592: u_int y, count = 0, cmdlen, tmplen;
1593: char *tmp, **list, argterm[3];
1594: const LineInfo *lf;
1595:
1596: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1597:
1598: /* No command specified: display all available commands */
1599: if (cmd == NULL) {
1600: for (y = 0; cmds[y].c; y++)
1601: list[count++] = xstrdup(cmds[y].c);
1602:
1603: list[count] = NULL;
1604: complete_display(list, 0);
1605:
1606: for (y = 0; list[y] != NULL; y++)
1.145 ! djm 1607: free(list[y]);
! 1608: free(list);
1.116 djm 1609: return count;
1610: }
1611:
1612: /* Prepare subset of commands that start with "cmd" */
1613: cmdlen = strlen(cmd);
1614: for (y = 0; cmds[y].c; y++) {
1615: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1616: list[count++] = xstrdup(cmds[y].c);
1617: }
1618: list[count] = NULL;
1619:
1.134 oga 1620: if (count == 0) {
1.145 ! djm 1621: free(list);
1.116 djm 1622: return 0;
1.134 oga 1623: }
1.116 djm 1624:
1625: /* Complete ambigious command */
1626: tmp = complete_ambiguous(cmd, list, count);
1627: if (count > 1)
1628: complete_display(list, 0);
1629:
1630: for (y = 0; list[y]; y++)
1.145 ! djm 1631: free(list[y]);
! 1632: free(list);
1.116 djm 1633:
1634: if (tmp != NULL) {
1635: tmplen = strlen(tmp);
1636: cmdlen = strlen(cmd);
1637: /* If cmd may be extended then do so */
1638: if (tmplen > cmdlen)
1639: if (el_insertstr(el, tmp + cmdlen) == -1)
1640: fatal("el_insertstr failed.");
1641: lf = el_line(el);
1642: /* Terminate argument cleanly */
1643: if (count == 1) {
1644: y = 0;
1645: if (!terminated)
1646: argterm[y++] = quote;
1647: if (lastarg || *(lf->cursor) != ' ')
1648: argterm[y++] = ' ';
1649: argterm[y] = '\0';
1650: if (y > 0 && el_insertstr(el, argterm) == -1)
1651: fatal("el_insertstr failed.");
1652: }
1.145 ! djm 1653: free(tmp);
1.116 djm 1654: }
1655:
1656: return count;
1657: }
1658:
1659: /*
1660: * Determine whether a particular sftp command's arguments (if any)
1661: * represent local or remote files.
1662: */
1663: static int
1664: complete_is_remote(char *cmd) {
1665: int i;
1666:
1667: if (cmd == NULL)
1668: return -1;
1669:
1670: for (i = 0; cmds[i].c; i++) {
1671: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1672: return cmds[i].t;
1673: }
1674:
1675: return -1;
1676: }
1677:
1678: /* Autocomplete a filename "file" */
1679: static int
1680: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1681: char *file, int remote, int lastarg, char quote, int terminated)
1682: {
1683: glob_t g;
1684: char *tmp, *tmp2, ins[3];
1.140 dtucker 1685: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.116 djm 1686: const LineInfo *lf;
1687:
1688: /* Glob from "file" location */
1689: if (file == NULL)
1690: tmp = xstrdup("*");
1691: else
1692: xasprintf(&tmp, "%s*", file);
1693:
1.139 dtucker 1694: /* Check if the path is absolute. */
1695: isabs = tmp[0] == '/';
1696:
1.116 djm 1697: memset(&g, 0, sizeof(g));
1698: if (remote != LOCAL) {
1699: tmp = make_absolute(tmp, remote_path);
1700: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1701: } else
1702: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1703:
1704: /* Determine length of pwd so we can trim completion display */
1705: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1706: /* Terminate counting on first unescaped glob metacharacter */
1707: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1708: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1709: hadglob = 1;
1710: break;
1711: }
1712: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1713: tmplen++;
1714: if (tmp[tmplen] == '/')
1715: pwdlen = tmplen + 1; /* track last seen '/' */
1716: }
1.145 ! djm 1717: free(tmp);
1.116 djm 1718:
1719: if (g.gl_matchc == 0)
1720: goto out;
1721:
1722: if (g.gl_matchc > 1)
1723: complete_display(g.gl_pathv, pwdlen);
1724:
1725: tmp = NULL;
1726: /* Don't try to extend globs */
1727: if (file == NULL || hadglob)
1728: goto out;
1729:
1730: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1731: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 ! djm 1732: free(tmp2);
1.116 djm 1733:
1734: if (tmp == NULL)
1735: goto out;
1736:
1737: tmplen = strlen(tmp);
1738: filelen = strlen(file);
1739:
1.140 dtucker 1740: /* Count the number of escaped characters in the input string. */
1741: cesc = isesc = 0;
1742: for (i = 0; i < filelen; i++) {
1743: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1744: isesc = 1;
1745: cesc++;
1746: } else
1747: isesc = 0;
1748: }
1749:
1750: if (tmplen > (filelen - cesc)) {
1751: tmp2 = tmp + filelen - cesc;
1.116 djm 1752: len = strlen(tmp2);
1753: /* quote argument on way out */
1754: for (i = 0; i < len; i++) {
1755: ins[0] = '\\';
1756: ins[1] = tmp2[i];
1757: ins[2] = '\0';
1758: switch (tmp2[i]) {
1759: case '\'':
1760: case '"':
1761: case '\\':
1762: case '\t':
1.131 sthen 1763: case '[':
1.116 djm 1764: case ' ':
1.140 dtucker 1765: case '#':
1766: case '*':
1.116 djm 1767: if (quote == '\0' || tmp2[i] == quote) {
1768: if (el_insertstr(el, ins) == -1)
1769: fatal("el_insertstr "
1770: "failed.");
1771: break;
1772: }
1773: /* FALLTHROUGH */
1774: default:
1775: if (el_insertstr(el, ins + 1) == -1)
1776: fatal("el_insertstr failed.");
1777: break;
1778: }
1779: }
1780: }
1781:
1782: lf = el_line(el);
1783: if (g.gl_matchc == 1) {
1784: i = 0;
1785: if (!terminated)
1786: ins[i++] = quote;
1.120 djm 1787: if (*(lf->cursor - 1) != '/' &&
1788: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1789: ins[i++] = ' ';
1790: ins[i] = '\0';
1791: if (i > 0 && el_insertstr(el, ins) == -1)
1792: fatal("el_insertstr failed.");
1793: }
1.145 ! djm 1794: free(tmp);
1.116 djm 1795:
1796: out:
1797: globfree(&g);
1798: return g.gl_matchc;
1799: }
1800:
1801: /* tab-completion hook function, called via libedit */
1802: static unsigned char
1803: complete(EditLine *el, int ch)
1804: {
1805: char **argv, *line, quote;
1806: u_int argc, carg, cursor, len, terminated, ret = CC_ERROR;
1807: const LineInfo *lf;
1808: struct complete_ctx *complete_ctx;
1809:
1810: lf = el_line(el);
1811: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1812: fatal("%s: el_get failed", __func__);
1813:
1814: /* Figure out which argument the cursor points to */
1815: cursor = lf->cursor - lf->buffer;
1816: line = (char *)xmalloc(cursor + 1);
1817: memcpy(line, lf->buffer, cursor);
1818: line[cursor] = '\0';
1819: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 ! djm 1820: free(line);
1.116 djm 1821:
1822: /* Get all the arguments on the line */
1823: len = lf->lastchar - lf->buffer;
1824: line = (char *)xmalloc(len + 1);
1825: memcpy(line, lf->buffer, len);
1826: line[len] = '\0';
1827: argv = makeargv(line, &argc, 1, NULL, NULL);
1828:
1829: /* Ensure cursor is at EOL or a argument boundary */
1830: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1831: line[cursor] != '\n') {
1.145 ! djm 1832: free(line);
1.116 djm 1833: return ret;
1834: }
1835:
1836: if (carg == 0) {
1837: /* Show all available commands */
1838: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1839: ret = CC_REDISPLAY;
1840: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1841: /* Handle the command parsing */
1842: if (complete_cmd_parse(el, argv[0], argc == carg,
1843: quote, terminated) != 0)
1844: ret = CC_REDISPLAY;
1845: } else if (carg >= 1) {
1846: /* Handle file parsing */
1847: int remote = complete_is_remote(argv[0]);
1848: char *filematch = NULL;
1849:
1850: if (carg > 1 && line[cursor-1] != ' ')
1851: filematch = argv[carg - 1];
1852:
1853: if (remote != 0 &&
1854: complete_match(el, complete_ctx->conn,
1855: *complete_ctx->remote_pathp, filematch,
1856: remote, carg == argc, quote, terminated) != 0)
1857: ret = CC_REDISPLAY;
1858: }
1859:
1.145 ! djm 1860: free(line);
1.116 djm 1861: return ret;
1862: }
1863:
1.44 djm 1864: int
1.112 djm 1865: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1866: {
1.116 djm 1867: char *remote_path;
1.44 djm 1868: char *dir = NULL;
1869: char cmd[2048];
1.66 jaredy 1870: int err, interactive;
1.57 djm 1871: EditLine *el = NULL;
1872: History *hl = NULL;
1873: HistEvent hev;
1874: extern char *__progname;
1.116 djm 1875: struct complete_ctx complete_ctx;
1.57 djm 1876:
1877: if (!batchmode && isatty(STDIN_FILENO)) {
1878: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1879: fatal("Couldn't initialise editline");
1880: if ((hl = history_init()) == NULL)
1881: fatal("Couldn't initialise editline history");
1882: history(hl, &hev, H_SETSIZE, 100);
1883: el_set(el, EL_HIST, history, hl);
1884:
1885: el_set(el, EL_PROMPT, prompt);
1886: el_set(el, EL_EDITOR, "emacs");
1887: el_set(el, EL_TERMINAL, NULL);
1888: el_set(el, EL_SIGNAL, 1);
1889: el_source(el, NULL);
1.116 djm 1890:
1891: /* Tab Completion */
1892: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 1893: "Context sensitive argument completion", complete);
1.116 djm 1894: complete_ctx.conn = conn;
1895: complete_ctx.remote_pathp = &remote_path;
1896: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
1897: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.57 djm 1898: }
1.44 djm 1899:
1.116 djm 1900: remote_path = do_realpath(conn, ".");
1901: if (remote_path == NULL)
1.44 djm 1902: fatal("Need cwd");
1903:
1904: if (file1 != NULL) {
1905: dir = xstrdup(file1);
1.116 djm 1906: dir = make_absolute(dir, remote_path);
1.44 djm 1907:
1908: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 1909: if (!quiet)
1910: printf("Changing to: %s\n", dir);
1.44 djm 1911: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 1912: if (parse_dispatch_command(conn, cmd,
1913: &remote_path, 1) != 0) {
1.145 ! djm 1914: free(dir);
! 1915: free(remote_path);
! 1916: free(conn);
1.44 djm 1917: return (-1);
1.58 markus 1918: }
1.44 djm 1919: } else {
1.137 djm 1920: /* XXX this is wrong wrt quoting */
1.44 djm 1921: if (file2 == NULL)
1922: snprintf(cmd, sizeof cmd, "get %s", dir);
1923: else
1924: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1925: file2);
1926:
1.116 djm 1927: err = parse_dispatch_command(conn, cmd,
1928: &remote_path, 1);
1.145 ! djm 1929: free(dir);
! 1930: free(remote_path);
! 1931: free(conn);
1.44 djm 1932: return (err);
1933: }
1.145 ! djm 1934: free(dir);
1.44 djm 1935: }
1936:
1.135 djm 1937: setlinebuf(stdout);
1938: setlinebuf(infile);
1.44 djm 1939:
1.66 jaredy 1940: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 1941: err = 0;
1942: for (;;) {
1943: char *cp;
1.57 djm 1944: const char *line;
1945: int count = 0;
1.44 djm 1946:
1.46 djm 1947: signal(SIGINT, SIG_IGN);
1948:
1.57 djm 1949: if (el == NULL) {
1.66 jaredy 1950: if (interactive)
1951: printf("sftp> ");
1.57 djm 1952: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 1953: if (interactive)
1954: printf("\n");
1.57 djm 1955: break;
1956: }
1.66 jaredy 1957: if (!interactive) { /* Echo command */
1958: printf("sftp> %s", cmd);
1959: if (strlen(cmd) > 0 &&
1960: cmd[strlen(cmd) - 1] != '\n')
1961: printf("\n");
1962: }
1.57 djm 1963: } else {
1.116 djm 1964: if ((line = el_gets(el, &count)) == NULL ||
1965: count <= 0) {
1.66 jaredy 1966: printf("\n");
1.57 djm 1967: break;
1.66 jaredy 1968: }
1.57 djm 1969: history(hl, &hev, H_ENTER, line);
1970: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1971: fprintf(stderr, "Error: input line too long\n");
1972: continue;
1973: }
1.44 djm 1974: }
1975:
1976: cp = strrchr(cmd, '\n');
1977: if (cp)
1978: *cp = '\0';
1979:
1.46 djm 1980: /* Handle user interrupts gracefully during commands */
1981: interrupted = 0;
1982: signal(SIGINT, cmd_interrupt);
1983:
1.116 djm 1984: err = parse_dispatch_command(conn, cmd, &remote_path,
1985: batchmode);
1.44 djm 1986: if (err != 0)
1987: break;
1988: }
1.145 ! djm 1989: free(remote_path);
! 1990: free(conn);
1.66 jaredy 1991:
1992: if (el != NULL)
1993: el_end(el);
1.44 djm 1994:
1995: /* err == 1 signifies normal "quit" exit */
1996: return (err >= 0 ? 0 : -1);
1997: }
1.34 fgsch 1998:
1.18 itojun 1999: static void
1.36 djm 2000: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2001: {
2002: int c_in, c_out;
1.30 deraadt 2003:
1.1 djm 2004: int inout[2];
1.30 deraadt 2005:
1.1 djm 2006: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2007: fatal("socketpair: %s", strerror(errno));
2008: *in = *out = inout[0];
2009: c_in = c_out = inout[1];
2010:
1.36 djm 2011: if ((sshpid = fork()) == -1)
1.1 djm 2012: fatal("fork: %s", strerror(errno));
1.36 djm 2013: else if (sshpid == 0) {
1.1 djm 2014: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2015: (dup2(c_out, STDOUT_FILENO) == -1)) {
2016: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2017: _exit(1);
1.1 djm 2018: }
2019: close(*in);
2020: close(*out);
2021: close(c_in);
2022: close(c_out);
1.46 djm 2023:
2024: /*
2025: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2026: * ignore SIGINT if we want to gracefully abort commands,
2027: * otherwise the signal will make it to the ssh process and
1.122 guenther 2028: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2029: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2030: */
2031: signal(SIGINT, SIG_IGN);
1.122 guenther 2032: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2033: execvp(path, args);
1.23 djm 2034: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2035: _exit(1);
1.1 djm 2036: }
2037:
1.36 djm 2038: signal(SIGTERM, killchild);
2039: signal(SIGINT, killchild);
2040: signal(SIGHUP, killchild);
1.1 djm 2041: close(c_in);
2042: close(c_out);
2043: }
2044:
1.18 itojun 2045: static void
1.1 djm 2046: usage(void)
2047: {
1.25 mpech 2048: extern char *__progname;
1.27 markus 2049:
1.19 stevesk 2050: fprintf(stderr,
1.111 djm 2051: "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2052: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2053: "[-i identity_file] [-l limit]\n"
1.110 jmc 2054: " [-o ssh_option] [-P port] [-R num_requests] "
2055: "[-S program]\n"
1.108 djm 2056: " [-s subsystem | sftp_server] host\n"
1.105 djm 2057: " %s [user@]host[:file ...]\n"
2058: " %s [user@]host[:dir[/]]\n"
1.108 djm 2059: " %s -b batchfile [user@]host\n",
2060: __progname, __progname, __progname, __progname);
1.1 djm 2061: exit(1);
2062: }
2063:
1.2 stevesk 2064: int
1.1 djm 2065: main(int argc, char **argv)
2066: {
1.33 djm 2067: int in, out, ch, err;
1.117 dtucker 2068: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2069: int debug_level = 0, sshver = 2;
2070: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2071: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2072: const char *errstr;
1.17 mouring 2073: LogLevel ll = SYSLOG_LEVEL_INFO;
2074: arglist args;
1.3 djm 2075: extern int optind;
2076: extern char *optarg;
1.112 djm 2077: struct sftp_conn *conn;
2078: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2079: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2080: long long limit_kbps = 0;
1.67 djm 2081:
2082: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2083: sanitise_stdfd();
1.1 djm 2084:
1.70 djm 2085: memset(&args, '\0', sizeof(args));
1.17 mouring 2086: args.list = NULL;
1.80 djm 2087: addargs(&args, "%s", ssh_program);
1.17 mouring 2088: addargs(&args, "-oForwardX11 no");
2089: addargs(&args, "-oForwardAgent no");
1.69 reyk 2090: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2091: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2092:
1.17 mouring 2093: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2094: infile = stdin;
1.3 djm 2095:
1.109 djm 2096: while ((ch = getopt(argc, argv,
1.126 djm 2097: "1246hpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2098: switch (ch) {
1.108 djm 2099: /* Passed through to ssh(1) */
2100: case '4':
2101: case '6':
1.3 djm 2102: case 'C':
1.108 djm 2103: addargs(&args, "-%c", ch);
2104: break;
2105: /* Passed through to ssh(1) with argument */
2106: case 'F':
2107: case 'c':
2108: case 'i':
2109: case 'o':
1.113 halex 2110: addargs(&args, "-%c", ch);
2111: addargs(&args, "%s", optarg);
1.108 djm 2112: break;
2113: case 'q':
1.143 djm 2114: ll = SYSLOG_LEVEL_ERROR;
2115: quiet = 1;
1.108 djm 2116: showprogress = 0;
2117: addargs(&args, "-%c", ch);
1.3 djm 2118: break;
1.109 djm 2119: case 'P':
2120: addargs(&args, "-oPort %s", optarg);
2121: break;
1.3 djm 2122: case 'v':
1.17 mouring 2123: if (debug_level < 3) {
2124: addargs(&args, "-v");
2125: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2126: }
2127: debug_level++;
1.3 djm 2128: break;
1.7 markus 2129: case '1':
1.17 mouring 2130: sshver = 1;
1.7 markus 2131: if (sftp_server == NULL)
2132: sftp_server = _PATH_SFTP_SERVER;
2133: break;
1.108 djm 2134: case '2':
2135: sshver = 2;
1.7 markus 2136: break;
1.108 djm 2137: case 'B':
2138: copy_buffer_len = strtol(optarg, &cp, 10);
2139: if (copy_buffer_len == 0 || *cp != '\0')
2140: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2141: break;
1.10 deraadt 2142: case 'b':
1.39 djm 2143: if (batchmode)
2144: fatal("Batch file already specified.");
2145:
2146: /* Allow "-" as stdin */
1.56 deraadt 2147: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2148: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2149: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2150: showprogress = 0;
1.143 djm 2151: quiet = batchmode = 1;
1.62 djm 2152: addargs(&args, "-obatchmode yes");
1.10 deraadt 2153: break;
1.111 djm 2154: case 'p':
2155: global_pflag = 1;
2156: break;
1.109 djm 2157: case 'D':
1.23 djm 2158: sftp_direct = optarg;
1.111 djm 2159: break;
1.126 djm 2160: case 'l':
2161: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2162: &errstr);
2163: if (errstr != NULL)
2164: usage();
2165: limit_kbps *= 1024; /* kbps */
2166: break;
1.111 djm 2167: case 'r':
2168: global_rflag = 1;
1.24 djm 2169: break;
1.26 djm 2170: case 'R':
2171: num_requests = strtol(optarg, &cp, 10);
2172: if (num_requests == 0 || *cp != '\0')
1.27 markus 2173: fatal("Invalid number of requests \"%s\"",
1.26 djm 2174: optarg);
1.108 djm 2175: break;
2176: case 's':
2177: sftp_server = optarg;
2178: break;
2179: case 'S':
2180: ssh_program = optarg;
2181: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2182: break;
1.3 djm 2183: case 'h':
2184: default:
1.1 djm 2185: usage();
2186: }
2187: }
1.45 djm 2188:
2189: if (!isatty(STDERR_FILENO))
2190: showprogress = 0;
1.1 djm 2191:
1.29 markus 2192: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2193:
1.23 djm 2194: if (sftp_direct == NULL) {
2195: if (optind == argc || argc > (optind + 2))
2196: usage();
2197:
2198: userhost = xstrdup(argv[optind]);
2199: file2 = argv[optind+1];
1.1 djm 2200:
1.32 markus 2201: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2202: host = userhost;
2203: else {
2204: *host++ = '\0';
2205: if (!userhost[0]) {
2206: fprintf(stderr, "Missing username\n");
2207: usage();
2208: }
1.115 guenther 2209: addargs(&args, "-l");
2210: addargs(&args, "%s", userhost);
1.41 djm 2211: }
2212:
2213: if ((cp = colon(host)) != NULL) {
2214: *cp++ = '\0';
2215: file1 = cp;
1.23 djm 2216: }
1.3 djm 2217:
1.23 djm 2218: host = cleanhostname(host);
2219: if (!*host) {
2220: fprintf(stderr, "Missing hostname\n");
1.1 djm 2221: usage();
2222: }
2223:
1.23 djm 2224: addargs(&args, "-oProtocol %d", sshver);
2225:
2226: /* no subsystem if the server-spec contains a '/' */
2227: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2228: addargs(&args, "-s");
2229:
1.115 guenther 2230: addargs(&args, "--");
1.23 djm 2231: addargs(&args, "%s", host);
1.27 markus 2232: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2233: sftp_server : "sftp"));
2234:
1.36 djm 2235: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2236: } else {
2237: args.list = NULL;
2238: addargs(&args, "sftp-server");
2239:
1.36 djm 2240: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2241: }
1.70 djm 2242: freeargs(&args);
1.1 djm 2243:
1.126 djm 2244: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2245: if (conn == NULL)
2246: fatal("Couldn't initialise connection to server");
2247:
1.143 djm 2248: if (!quiet) {
1.112 djm 2249: if (sftp_direct == NULL)
2250: fprintf(stderr, "Connected to %s.\n", host);
2251: else
2252: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2253: }
2254:
2255: err = interactive_loop(conn, file1, file2);
1.1 djm 2256:
2257: close(in);
2258: close(out);
1.39 djm 2259: if (batchmode)
1.10 deraadt 2260: fclose(infile);
1.1 djm 2261:
1.28 markus 2262: while (waitpid(sshpid, NULL, 0) == -1)
2263: if (errno != EINTR)
2264: fatal("Couldn't wait for ssh process: %s",
2265: strerror(errno));
1.1 djm 2266:
1.33 djm 2267: exit(err == 0 ? 0 : 1);
1.1 djm 2268: }
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