Annotation of src/usr.bin/ssh/sftp.c, Revision 1.147
1.147 ! djm 1: /* $OpenBSD: sftp.c,v 1.146 2013/06/04 20:42:36 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>
1.146 dtucker 32: #include <locale.h>
1.74 stevesk 33: #include <signal.h>
1.89 stevesk 34: #include <stdlib.h>
1.90 stevesk 35: #include <stdio.h>
1.87 stevesk 36: #include <string.h>
1.86 stevesk 37: #include <unistd.h>
1.100 djm 38: #include <util.h>
1.91 deraadt 39: #include <stdarg.h>
1.1 djm 40:
41: #include "xmalloc.h"
42: #include "log.h"
43: #include "pathnames.h"
1.16 mouring 44: #include "misc.h"
1.1 djm 45:
46: #include "sftp.h"
1.91 deraadt 47: #include "buffer.h"
1.1 djm 48: #include "sftp-common.h"
49: #include "sftp-client.h"
1.43 djm 50:
1.112 djm 51: #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
52: #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
53:
1.44 djm 54: /* File to read commands from */
55: FILE* infile;
1.15 mouring 56:
1.44 djm 57: /* Are we in batchfile mode? */
1.39 djm 58: int batchmode = 0;
1.44 djm 59:
60: /* PID of ssh transport process */
1.36 djm 61: static pid_t sshpid = -1;
1.7 markus 62:
1.143 djm 63: /* Suppress diagnositic messages */
64: int quiet = 0;
65:
1.44 djm 66: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 67: int showprogress = 1;
1.44 djm 68:
1.111 djm 69: /* When this option is set, we always recursively download/upload directories */
70: int global_rflag = 0;
71:
72: /* When this option is set, the file transfers will always preserve times */
73: int global_pflag = 0;
74:
1.46 djm 75: /* SIGINT received during command processing */
76: volatile sig_atomic_t interrupted = 0;
77:
1.52 djm 78: /* I wish qsort() took a separate ctx for the comparison function...*/
79: int sort_flag;
80:
1.116 djm 81: /* Context used for commandline completion */
82: struct complete_ctx {
83: struct sftp_conn *conn;
84: char **remote_pathp;
85: };
86:
1.44 djm 87: int remote_glob(struct sftp_conn *, const char *, int,
88: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
89:
90: /* Separators for interactive commands */
91: #define WHITESPACE " \t\r\n"
92:
1.52 djm 93: /* ls flags */
1.119 djm 94: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
95: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
96: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
97: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
98: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
99: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
100: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
101: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
102: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 103:
1.119 djm 104: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 105: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 106:
107: /* Commands for interactive mode */
108: #define I_CHDIR 1
109: #define I_CHGRP 2
110: #define I_CHMOD 3
111: #define I_CHOWN 4
1.100 djm 112: #define I_DF 24
1.44 djm 113: #define I_GET 5
114: #define I_HELP 6
115: #define I_LCHDIR 7
1.132 djm 116: #define I_LINK 25
1.44 djm 117: #define I_LLS 8
118: #define I_LMKDIR 9
119: #define I_LPWD 10
120: #define I_LS 11
121: #define I_LUMASK 12
122: #define I_MKDIR 13
123: #define I_PUT 14
124: #define I_PWD 15
125: #define I_QUIT 16
126: #define I_RENAME 17
127: #define I_RM 18
128: #define I_RMDIR 19
129: #define I_SHELL 20
130: #define I_SYMLINK 21
131: #define I_VERSION 22
132: #define I_PROGRESS 23
133:
134: struct CMD {
135: const char *c;
136: const int n;
1.116 djm 137: const int t;
1.44 djm 138: };
139:
1.116 djm 140: /* Type of completion */
141: #define NOARGS 0
142: #define REMOTE 1
143: #define LOCAL 2
144:
1.44 djm 145: static const struct CMD cmds[] = {
1.116 djm 146: { "bye", I_QUIT, NOARGS },
147: { "cd", I_CHDIR, REMOTE },
148: { "chdir", I_CHDIR, REMOTE },
149: { "chgrp", I_CHGRP, REMOTE },
150: { "chmod", I_CHMOD, REMOTE },
151: { "chown", I_CHOWN, REMOTE },
152: { "df", I_DF, REMOTE },
153: { "dir", I_LS, REMOTE },
154: { "exit", I_QUIT, NOARGS },
155: { "get", I_GET, REMOTE },
156: { "help", I_HELP, NOARGS },
157: { "lcd", I_LCHDIR, LOCAL },
158: { "lchdir", I_LCHDIR, LOCAL },
159: { "lls", I_LLS, LOCAL },
160: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 161: { "ln", I_LINK, REMOTE },
1.116 djm 162: { "lpwd", I_LPWD, LOCAL },
163: { "ls", I_LS, REMOTE },
164: { "lumask", I_LUMASK, NOARGS },
165: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 166: { "mget", I_GET, REMOTE },
167: { "mput", I_PUT, LOCAL },
1.116 djm 168: { "progress", I_PROGRESS, NOARGS },
169: { "put", I_PUT, LOCAL },
170: { "pwd", I_PWD, REMOTE },
171: { "quit", I_QUIT, NOARGS },
172: { "rename", I_RENAME, REMOTE },
173: { "rm", I_RM, REMOTE },
174: { "rmdir", I_RMDIR, REMOTE },
175: { "symlink", I_SYMLINK, REMOTE },
176: { "version", I_VERSION, NOARGS },
177: { "!", I_SHELL, NOARGS },
178: { "?", I_HELP, NOARGS },
179: { NULL, -1, -1 }
1.44 djm 180: };
181:
1.112 djm 182: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 183:
1.96 stevesk 184: /* ARGSUSED */
1.44 djm 185: static void
1.46 djm 186: killchild(int signo)
187: {
1.61 dtucker 188: if (sshpid > 1) {
1.46 djm 189: kill(sshpid, SIGTERM);
1.61 dtucker 190: waitpid(sshpid, NULL, 0);
191: }
1.46 djm 192:
193: _exit(1);
194: }
195:
1.96 stevesk 196: /* ARGSUSED */
1.46 djm 197: static void
198: cmd_interrupt(int signo)
199: {
200: const char msg[] = "\rInterrupt \n";
1.59 djm 201: int olderrno = errno;
1.46 djm 202:
1.144 dtucker 203: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 204: interrupted = 1;
1.59 djm 205: errno = olderrno;
1.46 djm 206: }
207:
208: static void
1.44 djm 209: help(void)
210: {
1.106 sobrado 211: printf("Available commands:\n"
212: "bye Quit sftp\n"
213: "cd path Change remote directory to 'path'\n"
214: "chgrp grp path Change group of file 'path' to 'grp'\n"
215: "chmod mode path Change permissions of file 'path' to 'mode'\n"
216: "chown own path Change owner of file 'path' to 'own'\n"
217: "df [-hi] [path] Display statistics for current directory or\n"
218: " filesystem containing 'path'\n"
219: "exit Quit sftp\n"
1.121 jmc 220: "get [-Ppr] remote [local] Download file\n"
1.106 sobrado 221: "help Display this help text\n"
222: "lcd path Change local directory to 'path'\n"
223: "lls [ls-options [path]] Display local directory listing\n"
224: "lmkdir path Create local directory\n"
1.132 djm 225: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 226: "lpwd Print local working directory\n"
1.121 jmc 227: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 228: "lumask umask Set local umask to 'umask'\n"
229: "mkdir path Create remote directory\n"
230: "progress Toggle display of progress meter\n"
1.121 jmc 231: "put [-Ppr] local [remote] Upload file\n"
1.106 sobrado 232: "pwd Display remote working directory\n"
233: "quit Quit sftp\n"
234: "rename oldpath newpath Rename remote file\n"
235: "rm path Delete remote file\n"
236: "rmdir path Remove remote directory\n"
237: "symlink oldpath newpath Symlink remote file\n"
238: "version Show SFTP version\n"
239: "!command Execute 'command' in local shell\n"
240: "! Escape to local shell\n"
241: "? Synonym for help\n");
1.44 djm 242: }
243:
244: static void
245: local_do_shell(const char *args)
246: {
247: int status;
248: char *shell;
249: pid_t pid;
250:
251: if (!*args)
252: args = NULL;
253:
1.130 djm 254: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 255: shell = _PATH_BSHELL;
256:
257: if ((pid = fork()) == -1)
258: fatal("Couldn't fork: %s", strerror(errno));
259:
260: if (pid == 0) {
261: /* XXX: child has pipe fds to ssh subproc open - issue? */
262: if (args) {
263: debug3("Executing %s -c \"%s\"", shell, args);
264: execl(shell, shell, "-c", args, (char *)NULL);
265: } else {
266: debug3("Executing %s", shell);
267: execl(shell, shell, (char *)NULL);
268: }
269: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
270: strerror(errno));
271: _exit(1);
272: }
273: while (waitpid(pid, &status, 0) == -1)
274: if (errno != EINTR)
275: fatal("Couldn't wait for child: %s", strerror(errno));
276: if (!WIFEXITED(status))
1.78 djm 277: error("Shell exited abnormally");
1.44 djm 278: else if (WEXITSTATUS(status))
279: error("Shell exited with status %d", WEXITSTATUS(status));
280: }
281:
282: static void
283: local_do_ls(const char *args)
284: {
285: if (!args || !*args)
286: local_do_shell(_PATH_LS);
287: else {
288: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
289: char *buf = xmalloc(len);
290:
291: /* XXX: quoting - rip quoting code from ftp? */
292: snprintf(buf, len, _PATH_LS " %s", args);
293: local_do_shell(buf);
1.145 djm 294: free(buf);
1.44 djm 295: }
296: }
297:
298: /* Strip one path (usually the pwd) from the start of another */
299: static char *
300: path_strip(char *path, char *strip)
301: {
302: size_t len;
303:
304: if (strip == NULL)
305: return (xstrdup(path));
306:
307: len = strlen(strip);
1.59 djm 308: if (strncmp(path, strip, len) == 0) {
1.44 djm 309: if (strip[len - 1] != '/' && path[len] == '/')
310: len++;
311: return (xstrdup(path + len));
312: }
313:
314: return (xstrdup(path));
315: }
316:
317: static char *
318: make_absolute(char *p, char *pwd)
319: {
1.51 avsm 320: char *abs_str;
1.44 djm 321:
322: /* Derelativise */
323: if (p && p[0] != '/') {
1.51 avsm 324: abs_str = path_append(pwd, p);
1.145 djm 325: free(p);
1.51 avsm 326: return(abs_str);
1.44 djm 327: } else
328: return(p);
329: }
330:
331: static int
1.111 djm 332: parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag,
333: int *rflag)
1.44 djm 334: {
1.102 martynas 335: extern int opterr, optind, optopt, optreset;
1.97 djm 336: int ch;
1.44 djm 337:
1.97 djm 338: optind = optreset = 1;
339: opterr = 0;
340:
1.111 djm 341: *rflag = *pflag = 0;
342: while ((ch = getopt(argc, argv, "PpRr")) != -1) {
1.97 djm 343: switch (ch) {
1.44 djm 344: case 'p':
345: case 'P':
346: *pflag = 1;
347: break;
1.111 djm 348: case 'r':
349: case 'R':
350: *rflag = 1;
351: break;
1.44 djm 352: default:
1.102 martynas 353: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 354: return -1;
1.44 djm 355: }
356: }
357:
1.97 djm 358: return optind;
1.44 djm 359: }
360:
361: static int
1.132 djm 362: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
363: {
364: extern int opterr, optind, optopt, optreset;
365: int ch;
366:
367: optind = optreset = 1;
368: opterr = 0;
369:
370: *sflag = 0;
371: while ((ch = getopt(argc, argv, "s")) != -1) {
372: switch (ch) {
373: case 's':
374: *sflag = 1;
375: break;
376: default:
377: error("%s: Invalid flag -%c", cmd, optopt);
378: return -1;
379: }
380: }
381:
382: return optind;
383: }
384:
385: static int
1.97 djm 386: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 387: {
1.102 martynas 388: extern int opterr, optind, optopt, optreset;
1.97 djm 389: int ch;
390:
391: optind = optreset = 1;
392: opterr = 0;
1.44 djm 393:
1.53 djm 394: *lflag = LS_NAME_SORT;
1.119 djm 395: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 396: switch (ch) {
397: case '1':
398: *lflag &= ~VIEW_FLAGS;
399: *lflag |= LS_SHORT_VIEW;
400: break;
401: case 'S':
402: *lflag &= ~SORT_FLAGS;
403: *lflag |= LS_SIZE_SORT;
404: break;
405: case 'a':
406: *lflag |= LS_SHOW_ALL;
407: break;
408: case 'f':
409: *lflag &= ~SORT_FLAGS;
410: break;
1.119 djm 411: case 'h':
412: *lflag |= LS_SI_UNITS;
413: break;
1.97 djm 414: case 'l':
1.119 djm 415: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 416: *lflag |= LS_LONG_VIEW;
417: break;
418: case 'n':
1.119 djm 419: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 420: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
421: break;
422: case 'r':
423: *lflag |= LS_REVERSE_SORT;
424: break;
425: case 't':
426: *lflag &= ~SORT_FLAGS;
427: *lflag |= LS_TIME_SORT;
428: break;
429: default:
1.102 martynas 430: error("ls: Invalid flag -%c", optopt);
1.97 djm 431: return -1;
1.44 djm 432: }
433: }
434:
1.97 djm 435: return optind;
1.44 djm 436: }
437:
438: static int
1.100 djm 439: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
440: {
1.102 martynas 441: extern int opterr, optind, optopt, optreset;
1.100 djm 442: int ch;
443:
444: optind = optreset = 1;
445: opterr = 0;
446:
447: *hflag = *iflag = 0;
448: while ((ch = getopt(argc, argv, "hi")) != -1) {
449: switch (ch) {
450: case 'h':
451: *hflag = 1;
452: break;
453: case 'i':
454: *iflag = 1;
455: break;
456: default:
1.102 martynas 457: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 458: return -1;
459: }
460: }
461:
462: return optind;
463: }
464:
465: static int
1.44 djm 466: is_dir(char *path)
467: {
468: struct stat sb;
469:
470: /* XXX: report errors? */
471: if (stat(path, &sb) == -1)
472: return(0);
473:
1.92 otto 474: return(S_ISDIR(sb.st_mode));
1.44 djm 475: }
476:
477: static int
478: remote_is_dir(struct sftp_conn *conn, char *path)
479: {
480: Attrib *a;
481:
482: /* XXX: report errors? */
483: if ((a = do_stat(conn, path, 1)) == NULL)
484: return(0);
485: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
486: return(0);
1.92 otto 487: return(S_ISDIR(a->perm));
1.44 djm 488: }
489:
1.111 djm 490: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
491: static int
492: pathname_is_dir(char *pathname)
493: {
494: size_t l = strlen(pathname);
495:
496: return l > 0 && pathname[l - 1] == '/';
497: }
498:
1.44 djm 499: static int
1.111 djm 500: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
501: int pflag, int rflag)
1.44 djm 502: {
503: char *abs_src = NULL;
504: char *abs_dst = NULL;
505: glob_t g;
1.111 djm 506: char *filename, *tmp=NULL;
507: int i, err = 0;
1.44 djm 508:
509: abs_src = xstrdup(src);
510: abs_src = make_absolute(abs_src, pwd);
1.111 djm 511: memset(&g, 0, sizeof(g));
1.44 djm 512:
513: debug3("Looking up %s", abs_src);
1.111 djm 514: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 515: error("File \"%s\" not found.", abs_src);
516: err = -1;
517: goto out;
518: }
519:
1.111 djm 520: /*
521: * If multiple matches then dst must be a directory or
522: * unspecified.
523: */
524: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
525: error("Multiple source paths, but destination "
526: "\"%s\" is not a directory", dst);
1.44 djm 527: err = -1;
528: goto out;
529: }
530:
1.46 djm 531: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 532: tmp = xstrdup(g.gl_pathv[i]);
533: if ((filename = basename(tmp)) == NULL) {
534: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 535: free(tmp);
1.44 djm 536: err = -1;
537: goto out;
538: }
539:
540: if (g.gl_matchc == 1 && dst) {
541: if (is_dir(dst)) {
1.111 djm 542: abs_dst = path_append(dst, filename);
543: } else {
1.44 djm 544: abs_dst = xstrdup(dst);
1.111 djm 545: }
1.44 djm 546: } else if (dst) {
1.111 djm 547: abs_dst = path_append(dst, filename);
548: } else {
549: abs_dst = xstrdup(filename);
550: }
1.145 djm 551: free(tmp);
1.44 djm 552:
1.143 djm 553: if (!quiet)
554: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 555: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
556: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
557: pflag || global_pflag, 1) == -1)
558: err = -1;
559: } else {
560: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
561: pflag || global_pflag) == -1)
562: err = -1;
563: }
1.145 djm 564: free(abs_dst);
1.44 djm 565: abs_dst = NULL;
566: }
567:
568: out:
1.145 djm 569: free(abs_src);
1.44 djm 570: globfree(&g);
571: return(err);
572: }
573:
574: static int
1.111 djm 575: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
576: int pflag, int rflag)
1.44 djm 577: {
578: char *tmp_dst = NULL;
579: char *abs_dst = NULL;
1.111 djm 580: char *tmp = NULL, *filename = NULL;
1.44 djm 581: glob_t g;
582: int err = 0;
1.111 djm 583: int i, dst_is_dir = 1;
1.99 djm 584: struct stat sb;
1.44 djm 585:
586: if (dst) {
587: tmp_dst = xstrdup(dst);
588: tmp_dst = make_absolute(tmp_dst, pwd);
589: }
590:
591: memset(&g, 0, sizeof(g));
592: debug3("Looking up %s", src);
1.111 djm 593: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 594: error("File \"%s\" not found.", src);
595: err = -1;
596: goto out;
597: }
598:
1.111 djm 599: /* If we aren't fetching to pwd then stash this status for later */
600: if (tmp_dst != NULL)
601: dst_is_dir = remote_is_dir(conn, tmp_dst);
602:
1.44 djm 603: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 604: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
605: error("Multiple paths match, but destination "
606: "\"%s\" is not a directory", tmp_dst);
1.44 djm 607: err = -1;
608: goto out;
609: }
610:
1.46 djm 611: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 612: if (stat(g.gl_pathv[i], &sb) == -1) {
613: err = -1;
614: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
615: continue;
616: }
1.111 djm 617:
618: tmp = xstrdup(g.gl_pathv[i]);
619: if ((filename = basename(tmp)) == NULL) {
620: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 621: free(tmp);
1.44 djm 622: err = -1;
623: goto out;
624: }
625:
626: if (g.gl_matchc == 1 && tmp_dst) {
627: /* If directory specified, append filename */
1.111 djm 628: if (dst_is_dir)
629: abs_dst = path_append(tmp_dst, filename);
630: else
1.44 djm 631: abs_dst = xstrdup(tmp_dst);
632: } else if (tmp_dst) {
1.111 djm 633: abs_dst = path_append(tmp_dst, filename);
634: } else {
635: abs_dst = make_absolute(xstrdup(filename), pwd);
636: }
1.145 djm 637: free(tmp);
1.44 djm 638:
1.143 djm 639: if (!quiet)
640: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 641: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
642: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
643: pflag || global_pflag, 1) == -1)
644: err = -1;
645: } else {
646: if (do_upload(conn, g.gl_pathv[i], abs_dst,
647: pflag || global_pflag) == -1)
648: err = -1;
649: }
1.44 djm 650: }
651:
652: out:
1.145 djm 653: free(abs_dst);
654: free(tmp_dst);
1.44 djm 655: globfree(&g);
656: return(err);
657: }
658:
659: static int
660: sdirent_comp(const void *aa, const void *bb)
661: {
662: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
663: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 664: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 665:
1.52 djm 666: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 667: if (sort_flag & LS_NAME_SORT)
1.52 djm 668: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 669: else if (sort_flag & LS_TIME_SORT)
1.52 djm 670: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 671: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 672: return (rmul * NCMP(a->a.size, b->a.size));
673:
674: fatal("Unknown ls sort type");
1.44 djm 675: }
676:
677: /* sftp ls.1 replacement for directories */
678: static int
679: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
680: {
1.64 djm 681: int n;
682: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 683: SFTP_DIRENT **d;
684:
685: if ((n = do_readdir(conn, path, &d)) != 0)
686: return (n);
687:
1.53 djm 688: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 689: u_int m = 0, width = 80;
1.44 djm 690: struct winsize ws;
691: char *tmp;
692:
693: /* Count entries for sort and find longest filename */
1.54 djm 694: for (n = 0; d[n] != NULL; n++) {
695: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
696: m = MAX(m, strlen(d[n]->filename));
697: }
1.44 djm 698:
699: /* Add any subpath that also needs to be counted */
700: tmp = path_strip(path, strip_path);
701: m += strlen(tmp);
1.145 djm 702: free(tmp);
1.44 djm 703:
704: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
705: width = ws.ws_col;
706:
707: columns = width / (m + 2);
708: columns = MAX(columns, 1);
709: colspace = width / columns;
710: colspace = MIN(colspace, width);
711: }
712:
1.52 djm 713: if (lflag & SORT_FLAGS) {
1.68 dtucker 714: for (n = 0; d[n] != NULL; n++)
715: ; /* count entries */
1.53 djm 716: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 717: qsort(d, n, sizeof(*d), sdirent_comp);
718: }
1.44 djm 719:
1.46 djm 720: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 721: char *tmp, *fname;
1.54 djm 722:
723: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
724: continue;
1.44 djm 725:
726: tmp = path_append(path, d[n]->filename);
727: fname = path_strip(tmp, strip_path);
1.145 djm 728: free(tmp);
1.44 djm 729:
1.53 djm 730: if (lflag & LS_LONG_VIEW) {
1.119 djm 731: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 732: char *lname;
733: struct stat sb;
734:
735: memset(&sb, 0, sizeof(sb));
736: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 737: lname = ls_file(fname, &sb, 1,
738: (lflag & LS_SI_UNITS));
1.50 djm 739: printf("%s\n", lname);
1.145 djm 740: free(lname);
1.50 djm 741: } else
742: printf("%s\n", d[n]->longname);
1.44 djm 743: } else {
744: printf("%-*s", colspace, fname);
745: if (c >= columns) {
746: printf("\n");
747: c = 1;
748: } else
749: c++;
750: }
751:
1.145 djm 752: free(fname);
1.44 djm 753: }
754:
1.53 djm 755: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 756: printf("\n");
757:
758: free_sftp_dirents(d);
759: return (0);
760: }
761:
762: /* sftp ls.1 replacement which handles path globs */
763: static int
764: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
765: int lflag)
766: {
1.129 djm 767: char *fname, *lname;
1.44 djm 768: glob_t g;
1.128 djm 769: int err;
1.129 djm 770: struct winsize ws;
771: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 772:
773: memset(&g, 0, sizeof(g));
774:
1.128 djm 775: if (remote_glob(conn, path,
1.133 djm 776: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
777: NULL, &g) ||
1.128 djm 778: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 779: if (g.gl_pathc)
780: globfree(&g);
1.44 djm 781: error("Can't ls: \"%s\" not found", path);
1.128 djm 782: return -1;
1.44 djm 783: }
784:
1.46 djm 785: if (interrupted)
786: goto out;
787:
1.44 djm 788: /*
1.60 fgsch 789: * If the glob returns a single match and it is a directory,
790: * then just list its contents.
1.44 djm 791: */
1.128 djm 792: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
793: S_ISDIR(g.gl_statv[0]->st_mode)) {
794: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
795: globfree(&g);
796: return err;
1.44 djm 797: }
798:
1.129 djm 799: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
800: width = ws.ws_col;
801:
1.53 djm 802: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 803: /* Count entries for sort and find longest filename */
804: for (i = 0; g.gl_pathv[i]; i++)
805: m = MAX(m, strlen(g.gl_pathv[i]));
806:
807: columns = width / (m + 2);
808: columns = MAX(columns, 1);
809: colspace = width / columns;
810: }
811:
1.136 dtucker 812: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 813: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 814: if (lflag & LS_LONG_VIEW) {
1.128 djm 815: if (g.gl_statv[i] == NULL) {
816: error("no stat information for %s", fname);
817: continue;
818: }
819: lname = ls_file(fname, g.gl_statv[i], 1,
820: (lflag & LS_SI_UNITS));
1.44 djm 821: printf("%s\n", lname);
1.145 djm 822: free(lname);
1.44 djm 823: } else {
824: printf("%-*s", colspace, fname);
825: if (c >= columns) {
826: printf("\n");
827: c = 1;
828: } else
829: c++;
830: }
1.145 djm 831: free(fname);
1.44 djm 832: }
833:
1.53 djm 834: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 835: printf("\n");
836:
1.46 djm 837: out:
1.44 djm 838: if (g.gl_pathc)
839: globfree(&g);
840:
1.128 djm 841: return 0;
1.44 djm 842: }
843:
1.100 djm 844: static int
845: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
846: {
1.101 dtucker 847: struct sftp_statvfs st;
1.100 djm 848: char s_used[FMT_SCALED_STRSIZE];
849: char s_avail[FMT_SCALED_STRSIZE];
850: char s_root[FMT_SCALED_STRSIZE];
851: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 852: unsigned long long ffree;
1.100 djm 853:
854: if (do_statvfs(conn, path, &st, 1) == -1)
855: return -1;
856: if (iflag) {
1.114 dtucker 857: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 858: printf(" Inodes Used Avail "
859: "(root) %%Capacity\n");
860: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
861: (unsigned long long)st.f_files,
862: (unsigned long long)(st.f_files - st.f_ffree),
863: (unsigned long long)st.f_favail,
1.114 dtucker 864: (unsigned long long)st.f_ffree, ffree);
1.100 djm 865: } else if (hflag) {
866: strlcpy(s_used, "error", sizeof(s_used));
867: strlcpy(s_avail, "error", sizeof(s_avail));
868: strlcpy(s_root, "error", sizeof(s_root));
869: strlcpy(s_total, "error", sizeof(s_total));
870: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
871: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
872: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
873: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
874: printf(" Size Used Avail (root) %%Capacity\n");
875: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
876: s_total, s_used, s_avail, s_root,
877: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
878: st.f_blocks));
879: } else {
880: printf(" Size Used Avail "
881: "(root) %%Capacity\n");
882: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
883: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
884: (unsigned long long)(st.f_frsize *
885: (st.f_blocks - st.f_bfree) / 1024),
886: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
887: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
888: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
889: st.f_blocks));
890: }
891: return 0;
892: }
893:
1.97 djm 894: /*
895: * Undo escaping of glob sequences in place. Used to undo extra escaping
896: * applied in makeargv() when the string is destined for a function that
897: * does not glob it.
898: */
899: static void
900: undo_glob_escape(char *s)
901: {
902: size_t i, j;
903:
904: for (i = j = 0;;) {
905: if (s[i] == '\0') {
906: s[j] = '\0';
907: return;
908: }
909: if (s[i] != '\\') {
910: s[j++] = s[i++];
911: continue;
912: }
913: /* s[i] == '\\' */
914: ++i;
915: switch (s[i]) {
916: case '?':
917: case '[':
918: case '*':
919: case '\\':
920: s[j++] = s[i++];
921: break;
922: case '\0':
923: s[j++] = '\\';
924: s[j] = '\0';
925: return;
926: default:
927: s[j++] = '\\';
928: s[j++] = s[i++];
929: break;
930: }
931: }
932: }
933:
934: /*
935: * Split a string into an argument vector using sh(1)-style quoting,
936: * comment and escaping rules, but with some tweaks to handle glob(3)
937: * wildcards.
1.116 djm 938: * The "sloppy" flag allows for recovery from missing terminating quote, for
939: * use in parsing incomplete commandlines during tab autocompletion.
940: *
1.97 djm 941: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 942: *
943: * If "lastquote" is not NULL, the quoting character used for the last
944: * argument is placed in *lastquote ("\0", "'" or "\"").
945: *
946: * If "terminated" is not NULL, *terminated will be set to 1 when the
947: * last argument's quote has been properly terminated or 0 otherwise.
948: * This parameter is only of use if "sloppy" is set.
1.97 djm 949: */
950: #define MAXARGS 128
951: #define MAXARGLEN 8192
952: static char **
1.116 djm 953: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
954: u_int *terminated)
1.97 djm 955: {
956: int argc, quot;
957: size_t i, j;
958: static char argvs[MAXARGLEN];
959: static char *argv[MAXARGS + 1];
960: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
961:
962: *argcp = argc = 0;
963: if (strlen(arg) > sizeof(argvs) - 1) {
964: args_too_longs:
965: error("string too long");
966: return NULL;
967: }
1.116 djm 968: if (terminated != NULL)
969: *terminated = 1;
970: if (lastquote != NULL)
971: *lastquote = '\0';
1.97 djm 972: state = MA_START;
973: i = j = 0;
974: for (;;) {
1.141 markus 975: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 976: error("Too many arguments.");
977: return NULL;
978: }
1.97 djm 979: if (isspace(arg[i])) {
980: if (state == MA_UNQUOTED) {
981: /* Terminate current argument */
982: argvs[j++] = '\0';
983: argc++;
984: state = MA_START;
985: } else if (state != MA_START)
986: argvs[j++] = arg[i];
987: } else if (arg[i] == '"' || arg[i] == '\'') {
988: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
989: if (state == MA_START) {
990: argv[argc] = argvs + j;
991: state = q;
1.116 djm 992: if (lastquote != NULL)
993: *lastquote = arg[i];
1.97 djm 994: } else if (state == MA_UNQUOTED)
995: state = q;
996: else if (state == q)
997: state = MA_UNQUOTED;
998: else
999: argvs[j++] = arg[i];
1000: } else if (arg[i] == '\\') {
1001: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1002: quot = state == MA_SQUOTE ? '\'' : '"';
1003: /* Unescape quote we are in */
1004: /* XXX support \n and friends? */
1005: if (arg[i + 1] == quot) {
1006: i++;
1007: argvs[j++] = arg[i];
1008: } else if (arg[i + 1] == '?' ||
1009: arg[i + 1] == '[' || arg[i + 1] == '*') {
1010: /*
1011: * Special case for sftp: append
1012: * double-escaped glob sequence -
1013: * glob will undo one level of
1014: * escaping. NB. string can grow here.
1015: */
1016: if (j >= sizeof(argvs) - 5)
1017: goto args_too_longs;
1018: argvs[j++] = '\\';
1019: argvs[j++] = arg[i++];
1020: argvs[j++] = '\\';
1021: argvs[j++] = arg[i];
1022: } else {
1023: argvs[j++] = arg[i++];
1024: argvs[j++] = arg[i];
1025: }
1026: } else {
1027: if (state == MA_START) {
1028: argv[argc] = argvs + j;
1029: state = MA_UNQUOTED;
1.116 djm 1030: if (lastquote != NULL)
1031: *lastquote = '\0';
1.97 djm 1032: }
1033: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1034: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1035: /*
1036: * Special case for sftp: append
1037: * escaped glob sequence -
1038: * glob will undo one level of
1039: * escaping.
1040: */
1041: argvs[j++] = arg[i++];
1042: argvs[j++] = arg[i];
1043: } else {
1044: /* Unescape everything */
1045: /* XXX support \n and friends? */
1046: i++;
1047: argvs[j++] = arg[i];
1048: }
1049: }
1050: } else if (arg[i] == '#') {
1051: if (state == MA_SQUOTE || state == MA_DQUOTE)
1052: argvs[j++] = arg[i];
1053: else
1054: goto string_done;
1055: } else if (arg[i] == '\0') {
1056: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1057: if (sloppy) {
1058: state = MA_UNQUOTED;
1059: if (terminated != NULL)
1060: *terminated = 0;
1061: goto string_done;
1062: }
1.97 djm 1063: error("Unterminated quoted argument");
1064: return NULL;
1065: }
1066: string_done:
1067: if (state == MA_UNQUOTED) {
1068: argvs[j++] = '\0';
1069: argc++;
1070: }
1071: break;
1072: } else {
1073: if (state == MA_START) {
1074: argv[argc] = argvs + j;
1075: state = MA_UNQUOTED;
1.116 djm 1076: if (lastquote != NULL)
1077: *lastquote = '\0';
1.97 djm 1078: }
1079: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1080: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1081: /*
1082: * Special case for sftp: escape quoted
1083: * glob(3) wildcards. NB. string can grow
1084: * here.
1085: */
1086: if (j >= sizeof(argvs) - 3)
1087: goto args_too_longs;
1088: argvs[j++] = '\\';
1089: argvs[j++] = arg[i];
1090: } else
1091: argvs[j++] = arg[i];
1092: }
1093: i++;
1094: }
1095: *argcp = argc;
1096: return argv;
1097: }
1098:
1.44 djm 1099: static int
1.116 djm 1100: parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag,
1.132 djm 1101: int *hflag, int *sflag, unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1102: {
1103: const char *cmd, *cp = *cpp;
1.97 djm 1104: char *cp2, **argv;
1.44 djm 1105: int base = 0;
1106: long l;
1.97 djm 1107: int i, cmdnum, optidx, argc;
1.44 djm 1108:
1109: /* Skip leading whitespace */
1110: cp = cp + strspn(cp, WHITESPACE);
1111:
1112: /* Check for leading '-' (disable error processing) */
1113: *iflag = 0;
1114: if (*cp == '-') {
1115: *iflag = 1;
1116: cp++;
1.118 dtucker 1117: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1118: }
1.118 dtucker 1119:
1120: /* Ignore blank lines and lines which begin with comment '#' char */
1121: if (*cp == '\0' || *cp == '#')
1122: return (0);
1.44 djm 1123:
1.116 djm 1124: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1125: return -1;
1126:
1.44 djm 1127: /* Figure out which command we have */
1.97 djm 1128: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1129: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1130: break;
1131: }
1132: cmdnum = cmds[i].n;
1133: cmd = cmds[i].c;
1134:
1135: /* Special case */
1136: if (*cp == '!') {
1137: cp++;
1138: cmdnum = I_SHELL;
1139: } else if (cmdnum == -1) {
1140: error("Invalid command.");
1.97 djm 1141: return -1;
1.44 djm 1142: }
1143:
1144: /* Get arguments and parse flags */
1.111 djm 1145: *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
1.44 djm 1146: *path1 = *path2 = NULL;
1.97 djm 1147: optidx = 1;
1.44 djm 1148: switch (cmdnum) {
1149: case I_GET:
1150: case I_PUT:
1.132 djm 1151: if ((optidx = parse_getput_flags(cmd, argv, argc,
1152: pflag, rflag)) == -1)
1.97 djm 1153: return -1;
1.44 djm 1154: /* Get first pathname (mandatory) */
1.97 djm 1155: if (argc - optidx < 1) {
1.44 djm 1156: error("You must specify at least one path after a "
1157: "%s command.", cmd);
1.97 djm 1158: return -1;
1159: }
1160: *path1 = xstrdup(argv[optidx]);
1161: /* Get second pathname (optional) */
1162: if (argc - optidx > 1) {
1163: *path2 = xstrdup(argv[optidx + 1]);
1164: /* Destination is not globbed */
1165: undo_glob_escape(*path2);
1.44 djm 1166: }
1167: break;
1.132 djm 1168: case I_LINK:
1169: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1170: return -1;
1171: case I_SYMLINK:
1.44 djm 1172: case I_RENAME:
1.97 djm 1173: if (argc - optidx < 2) {
1.44 djm 1174: error("You must specify two paths after a %s "
1175: "command.", cmd);
1.97 djm 1176: return -1;
1.44 djm 1177: }
1.97 djm 1178: *path1 = xstrdup(argv[optidx]);
1179: *path2 = xstrdup(argv[optidx + 1]);
1180: /* Paths are not globbed */
1181: undo_glob_escape(*path1);
1182: undo_glob_escape(*path2);
1.44 djm 1183: break;
1184: case I_RM:
1185: case I_MKDIR:
1186: case I_RMDIR:
1187: case I_CHDIR:
1188: case I_LCHDIR:
1189: case I_LMKDIR:
1190: /* Get pathname (mandatory) */
1.97 djm 1191: if (argc - optidx < 1) {
1.44 djm 1192: error("You must specify a path after a %s command.",
1193: cmd);
1.97 djm 1194: return -1;
1.44 djm 1195: }
1.97 djm 1196: *path1 = xstrdup(argv[optidx]);
1197: /* Only "rm" globs */
1198: if (cmdnum != I_RM)
1199: undo_glob_escape(*path1);
1.44 djm 1200: break;
1.100 djm 1201: case I_DF:
1202: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1203: iflag)) == -1)
1204: return -1;
1205: /* Default to current directory if no path specified */
1206: if (argc - optidx < 1)
1207: *path1 = NULL;
1208: else {
1209: *path1 = xstrdup(argv[optidx]);
1210: undo_glob_escape(*path1);
1211: }
1212: break;
1.44 djm 1213: case I_LS:
1.97 djm 1214: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1215: return(-1);
1216: /* Path is optional */
1.97 djm 1217: if (argc - optidx > 0)
1218: *path1 = xstrdup(argv[optidx]);
1.44 djm 1219: break;
1220: case I_LLS:
1.98 djm 1221: /* Skip ls command and following whitespace */
1222: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1223: case I_SHELL:
1224: /* Uses the rest of the line */
1225: break;
1226: case I_LUMASK:
1227: case I_CHMOD:
1228: base = 8;
1229: case I_CHOWN:
1230: case I_CHGRP:
1231: /* Get numeric arg (mandatory) */
1.97 djm 1232: if (argc - optidx < 1)
1233: goto need_num_arg;
1.93 ray 1234: errno = 0;
1.97 djm 1235: l = strtol(argv[optidx], &cp2, base);
1236: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1237: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1238: l < 0) {
1239: need_num_arg:
1.44 djm 1240: error("You must supply a numeric argument "
1241: "to the %s command.", cmd);
1.97 djm 1242: return -1;
1.44 djm 1243: }
1244: *n_arg = l;
1.97 djm 1245: if (cmdnum == I_LUMASK)
1.44 djm 1246: break;
1247: /* Get pathname (mandatory) */
1.97 djm 1248: if (argc - optidx < 2) {
1.44 djm 1249: error("You must specify a path after a %s command.",
1250: cmd);
1.97 djm 1251: return -1;
1.44 djm 1252: }
1.97 djm 1253: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1254: break;
1255: case I_QUIT:
1256: case I_PWD:
1257: case I_LPWD:
1258: case I_HELP:
1259: case I_VERSION:
1260: case I_PROGRESS:
1261: break;
1262: default:
1263: fatal("Command not implemented");
1264: }
1265:
1266: *cpp = cp;
1267: return(cmdnum);
1268: }
1269:
1270: static int
1271: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1272: int err_abort)
1273: {
1274: char *path1, *path2, *tmp;
1.132 djm 1275: int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, sflag = 0;
1276: int cmdnum, i;
1.107 dtucker 1277: unsigned long n_arg = 0;
1.44 djm 1278: Attrib a, *aa;
1279: char path_buf[MAXPATHLEN];
1280: int err = 0;
1281: glob_t g;
1282:
1283: path1 = path2 = NULL;
1.132 djm 1284: cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag,
1285: &sflag, &n_arg, &path1, &path2);
1.44 djm 1286:
1287: if (iflag != 0)
1288: err_abort = 0;
1289:
1290: memset(&g, 0, sizeof(g));
1291:
1292: /* Perform command */
1293: switch (cmdnum) {
1294: case 0:
1295: /* Blank line */
1296: break;
1297: case -1:
1298: /* Unrecognized command */
1299: err = -1;
1300: break;
1301: case I_GET:
1.111 djm 1302: err = process_get(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1303: break;
1304: case I_PUT:
1.111 djm 1305: err = process_put(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1306: break;
1307: case I_RENAME:
1308: path1 = make_absolute(path1, *pwd);
1309: path2 = make_absolute(path2, *pwd);
1310: err = do_rename(conn, path1, path2);
1311: break;
1312: case I_SYMLINK:
1.132 djm 1313: sflag = 1;
1314: case I_LINK:
1315: path1 = make_absolute(path1, *pwd);
1.44 djm 1316: path2 = make_absolute(path2, *pwd);
1.132 djm 1317: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1318: break;
1319: case I_RM:
1320: path1 = make_absolute(path1, *pwd);
1321: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1322: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1323: if (!quiet)
1324: printf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1325: err = do_rm(conn, g.gl_pathv[i]);
1326: if (err != 0 && err_abort)
1327: break;
1328: }
1329: break;
1330: case I_MKDIR:
1331: path1 = make_absolute(path1, *pwd);
1332: attrib_clear(&a);
1333: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1334: a.perm = 0777;
1.111 djm 1335: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1336: break;
1337: case I_RMDIR:
1338: path1 = make_absolute(path1, *pwd);
1339: err = do_rmdir(conn, path1);
1340: break;
1341: case I_CHDIR:
1342: path1 = make_absolute(path1, *pwd);
1343: if ((tmp = do_realpath(conn, path1)) == NULL) {
1344: err = 1;
1345: break;
1346: }
1347: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1348: free(tmp);
1.44 djm 1349: err = 1;
1350: break;
1351: }
1352: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1353: error("Can't change directory: Can't check target");
1.145 djm 1354: free(tmp);
1.44 djm 1355: err = 1;
1356: break;
1357: }
1358: if (!S_ISDIR(aa->perm)) {
1359: error("Can't change directory: \"%s\" is not "
1360: "a directory", tmp);
1.145 djm 1361: free(tmp);
1.44 djm 1362: err = 1;
1363: break;
1364: }
1.145 djm 1365: free(*pwd);
1.44 djm 1366: *pwd = tmp;
1367: break;
1368: case I_LS:
1369: if (!path1) {
1.125 djm 1370: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1371: break;
1372: }
1373:
1374: /* Strip pwd off beginning of non-absolute paths */
1375: tmp = NULL;
1376: if (*path1 != '/')
1377: tmp = *pwd;
1378:
1379: path1 = make_absolute(path1, *pwd);
1380: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1381: break;
1382: case I_DF:
1383: /* Default to current directory if no path specified */
1384: if (path1 == NULL)
1385: path1 = xstrdup(*pwd);
1386: path1 = make_absolute(path1, *pwd);
1387: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1388: break;
1389: case I_LCHDIR:
1390: if (chdir(path1) == -1) {
1391: error("Couldn't change local directory to "
1392: "\"%s\": %s", path1, strerror(errno));
1393: err = 1;
1394: }
1395: break;
1396: case I_LMKDIR:
1397: if (mkdir(path1, 0777) == -1) {
1398: error("Couldn't create local directory "
1399: "\"%s\": %s", path1, strerror(errno));
1400: err = 1;
1401: }
1402: break;
1403: case I_LLS:
1404: local_do_ls(cmd);
1405: break;
1406: case I_SHELL:
1407: local_do_shell(cmd);
1408: break;
1409: case I_LUMASK:
1410: umask(n_arg);
1411: printf("Local umask: %03lo\n", n_arg);
1412: break;
1413: case I_CHMOD:
1414: path1 = make_absolute(path1, *pwd);
1415: attrib_clear(&a);
1416: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1417: a.perm = n_arg;
1418: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1419: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1420: if (!quiet)
1421: printf("Changing mode on %s\n", g.gl_pathv[i]);
1.44 djm 1422: err = do_setstat(conn, g.gl_pathv[i], &a);
1423: if (err != 0 && err_abort)
1424: break;
1425: }
1426: break;
1427: case I_CHOWN:
1428: case I_CHGRP:
1429: path1 = make_absolute(path1, *pwd);
1430: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1431: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1432: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1433: if (err_abort) {
1434: err = -1;
1.44 djm 1435: break;
1.104 djm 1436: } else
1.44 djm 1437: continue;
1438: }
1439: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1440: error("Can't get current ownership of "
1441: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1442: if (err_abort) {
1443: err = -1;
1.44 djm 1444: break;
1.104 djm 1445: } else
1.44 djm 1446: continue;
1447: }
1448: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1449: if (cmdnum == I_CHOWN) {
1.143 djm 1450: if (!quiet)
1451: printf("Changing owner on %s\n",
1452: g.gl_pathv[i]);
1.44 djm 1453: aa->uid = n_arg;
1454: } else {
1.143 djm 1455: if (!quiet)
1456: printf("Changing group on %s\n",
1457: g.gl_pathv[i]);
1.44 djm 1458: aa->gid = n_arg;
1459: }
1460: err = do_setstat(conn, g.gl_pathv[i], aa);
1461: if (err != 0 && err_abort)
1462: break;
1463: }
1464: break;
1465: case I_PWD:
1466: printf("Remote working directory: %s\n", *pwd);
1467: break;
1468: case I_LPWD:
1469: if (!getcwd(path_buf, sizeof(path_buf))) {
1470: error("Couldn't get local cwd: %s", strerror(errno));
1471: err = -1;
1472: break;
1473: }
1474: printf("Local working directory: %s\n", path_buf);
1475: break;
1476: case I_QUIT:
1477: /* Processed below */
1478: break;
1479: case I_HELP:
1480: help();
1481: break;
1482: case I_VERSION:
1483: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1484: break;
1485: case I_PROGRESS:
1486: showprogress = !showprogress;
1487: if (showprogress)
1488: printf("Progress meter enabled\n");
1489: else
1490: printf("Progress meter disabled\n");
1491: break;
1492: default:
1493: fatal("%d is not implemented", cmdnum);
1494: }
1495:
1496: if (g.gl_pathc)
1497: globfree(&g);
1.145 djm 1498: free(path1);
1499: free(path2);
1.44 djm 1500:
1501: /* If an unignored error occurs in batch mode we should abort. */
1502: if (err_abort && err != 0)
1503: return (-1);
1504: else if (cmdnum == I_QUIT)
1505: return (1);
1506:
1507: return (0);
1508: }
1509:
1.57 djm 1510: static char *
1511: prompt(EditLine *el)
1512: {
1513: return ("sftp> ");
1514: }
1515:
1.116 djm 1516: /* Display entries in 'list' after skipping the first 'len' chars */
1517: static void
1518: complete_display(char **list, u_int len)
1519: {
1520: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1521: struct winsize ws;
1522: char *tmp;
1523:
1524: /* Count entries for sort and find longest */
1525: for (y = 0; list[y]; y++)
1526: m = MAX(m, strlen(list[y]));
1527:
1528: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1529: width = ws.ws_col;
1530:
1531: m = m > len ? m - len : 0;
1532: columns = width / (m + 2);
1533: columns = MAX(columns, 1);
1534: colspace = width / columns;
1535: colspace = MIN(colspace, width);
1536:
1537: printf("\n");
1538: m = 1;
1539: for (y = 0; list[y]; y++) {
1540: llen = strlen(list[y]);
1541: tmp = llen > len ? list[y] + len : "";
1542: printf("%-*s", colspace, tmp);
1543: if (m >= columns) {
1544: printf("\n");
1545: m = 1;
1546: } else
1547: m++;
1548: }
1549: printf("\n");
1550: }
1551:
1552: /*
1553: * Given a "list" of words that begin with a common prefix of "word",
1554: * attempt to find an autocompletion to extends "word" by the next
1555: * characters common to all entries in "list".
1556: */
1557: static char *
1558: complete_ambiguous(const char *word, char **list, size_t count)
1559: {
1560: if (word == NULL)
1561: return NULL;
1562:
1563: if (count > 0) {
1564: u_int y, matchlen = strlen(list[0]);
1565:
1566: /* Find length of common stem */
1567: for (y = 1; list[y]; y++) {
1568: u_int x;
1569:
1570: for (x = 0; x < matchlen; x++)
1571: if (list[0][x] != list[y][x])
1572: break;
1573:
1574: matchlen = x;
1575: }
1576:
1577: if (matchlen > strlen(word)) {
1578: char *tmp = xstrdup(list[0]);
1579:
1.117 dtucker 1580: tmp[matchlen] = '\0';
1.116 djm 1581: return tmp;
1582: }
1583: }
1584:
1585: return xstrdup(word);
1586: }
1587:
1588: /* Autocomplete a sftp command */
1589: static int
1590: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1591: int terminated)
1592: {
1593: u_int y, count = 0, cmdlen, tmplen;
1594: char *tmp, **list, argterm[3];
1595: const LineInfo *lf;
1596:
1597: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1598:
1599: /* No command specified: display all available commands */
1600: if (cmd == NULL) {
1601: for (y = 0; cmds[y].c; y++)
1602: list[count++] = xstrdup(cmds[y].c);
1603:
1604: list[count] = NULL;
1605: complete_display(list, 0);
1606:
1607: for (y = 0; list[y] != NULL; y++)
1.145 djm 1608: free(list[y]);
1609: free(list);
1.116 djm 1610: return count;
1611: }
1612:
1613: /* Prepare subset of commands that start with "cmd" */
1614: cmdlen = strlen(cmd);
1615: for (y = 0; cmds[y].c; y++) {
1616: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1617: list[count++] = xstrdup(cmds[y].c);
1618: }
1619: list[count] = NULL;
1620:
1.134 oga 1621: if (count == 0) {
1.145 djm 1622: free(list);
1.116 djm 1623: return 0;
1.134 oga 1624: }
1.116 djm 1625:
1626: /* Complete ambigious command */
1627: tmp = complete_ambiguous(cmd, list, count);
1628: if (count > 1)
1629: complete_display(list, 0);
1630:
1631: for (y = 0; list[y]; y++)
1.145 djm 1632: free(list[y]);
1633: free(list);
1.116 djm 1634:
1635: if (tmp != NULL) {
1636: tmplen = strlen(tmp);
1637: cmdlen = strlen(cmd);
1638: /* If cmd may be extended then do so */
1639: if (tmplen > cmdlen)
1640: if (el_insertstr(el, tmp + cmdlen) == -1)
1641: fatal("el_insertstr failed.");
1642: lf = el_line(el);
1643: /* Terminate argument cleanly */
1644: if (count == 1) {
1645: y = 0;
1646: if (!terminated)
1647: argterm[y++] = quote;
1648: if (lastarg || *(lf->cursor) != ' ')
1649: argterm[y++] = ' ';
1650: argterm[y] = '\0';
1651: if (y > 0 && el_insertstr(el, argterm) == -1)
1652: fatal("el_insertstr failed.");
1653: }
1.145 djm 1654: free(tmp);
1.116 djm 1655: }
1656:
1657: return count;
1658: }
1659:
1660: /*
1661: * Determine whether a particular sftp command's arguments (if any)
1662: * represent local or remote files.
1663: */
1664: static int
1665: complete_is_remote(char *cmd) {
1666: int i;
1667:
1668: if (cmd == NULL)
1669: return -1;
1670:
1671: for (i = 0; cmds[i].c; i++) {
1672: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1673: return cmds[i].t;
1674: }
1675:
1676: return -1;
1677: }
1678:
1679: /* Autocomplete a filename "file" */
1680: static int
1681: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1682: char *file, int remote, int lastarg, char quote, int terminated)
1683: {
1684: glob_t g;
1.146 dtucker 1685: char *tmp, *tmp2, ins[8];
1.140 dtucker 1686: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1687: int clen;
1.116 djm 1688: const LineInfo *lf;
1689:
1690: /* Glob from "file" location */
1691: if (file == NULL)
1692: tmp = xstrdup("*");
1693: else
1694: xasprintf(&tmp, "%s*", file);
1695:
1.139 dtucker 1696: /* Check if the path is absolute. */
1697: isabs = tmp[0] == '/';
1698:
1.116 djm 1699: memset(&g, 0, sizeof(g));
1700: if (remote != LOCAL) {
1701: tmp = make_absolute(tmp, remote_path);
1702: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1703: } else
1704: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1705:
1706: /* Determine length of pwd so we can trim completion display */
1707: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1708: /* Terminate counting on first unescaped glob metacharacter */
1709: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1710: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1711: hadglob = 1;
1712: break;
1713: }
1714: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1715: tmplen++;
1716: if (tmp[tmplen] == '/')
1717: pwdlen = tmplen + 1; /* track last seen '/' */
1718: }
1.145 djm 1719: free(tmp);
1.116 djm 1720:
1721: if (g.gl_matchc == 0)
1722: goto out;
1723:
1724: if (g.gl_matchc > 1)
1725: complete_display(g.gl_pathv, pwdlen);
1726:
1727: tmp = NULL;
1728: /* Don't try to extend globs */
1729: if (file == NULL || hadglob)
1730: goto out;
1731:
1732: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1733: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1734: free(tmp2);
1.116 djm 1735:
1736: if (tmp == NULL)
1737: goto out;
1738:
1739: tmplen = strlen(tmp);
1740: filelen = strlen(file);
1741:
1.140 dtucker 1742: /* Count the number of escaped characters in the input string. */
1743: cesc = isesc = 0;
1744: for (i = 0; i < filelen; i++) {
1745: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1746: isesc = 1;
1747: cesc++;
1748: } else
1749: isesc = 0;
1750: }
1751:
1752: if (tmplen > (filelen - cesc)) {
1753: tmp2 = tmp + filelen - cesc;
1.116 djm 1754: len = strlen(tmp2);
1755: /* quote argument on way out */
1.146 dtucker 1756: for (i = 0; i < len; i += clen) {
1757: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
1758: (size_t)clen > sizeof(ins) - 2)
1759: fatal("invalid multibyte character");
1.116 djm 1760: ins[0] = '\\';
1.146 dtucker 1761: memcpy(ins + 1, tmp2 + i, clen);
1762: ins[clen + 1] = '\0';
1.116 djm 1763: switch (tmp2[i]) {
1764: case '\'':
1765: case '"':
1766: case '\\':
1767: case '\t':
1.131 sthen 1768: case '[':
1.116 djm 1769: case ' ':
1.140 dtucker 1770: case '#':
1771: case '*':
1.116 djm 1772: if (quote == '\0' || tmp2[i] == quote) {
1773: if (el_insertstr(el, ins) == -1)
1774: fatal("el_insertstr "
1775: "failed.");
1776: break;
1777: }
1778: /* FALLTHROUGH */
1779: default:
1780: if (el_insertstr(el, ins + 1) == -1)
1781: fatal("el_insertstr failed.");
1782: break;
1783: }
1784: }
1785: }
1786:
1787: lf = el_line(el);
1788: if (g.gl_matchc == 1) {
1789: i = 0;
1790: if (!terminated)
1791: ins[i++] = quote;
1.120 djm 1792: if (*(lf->cursor - 1) != '/' &&
1793: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1794: ins[i++] = ' ';
1795: ins[i] = '\0';
1796: if (i > 0 && el_insertstr(el, ins) == -1)
1797: fatal("el_insertstr failed.");
1798: }
1.145 djm 1799: free(tmp);
1.116 djm 1800:
1801: out:
1802: globfree(&g);
1803: return g.gl_matchc;
1804: }
1805:
1806: /* tab-completion hook function, called via libedit */
1807: static unsigned char
1808: complete(EditLine *el, int ch)
1809: {
1810: char **argv, *line, quote;
1.147 ! djm 1811: int argc, carg;
! 1812: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 1813: const LineInfo *lf;
1814: struct complete_ctx *complete_ctx;
1815:
1816: lf = el_line(el);
1817: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1818: fatal("%s: el_get failed", __func__);
1819:
1820: /* Figure out which argument the cursor points to */
1821: cursor = lf->cursor - lf->buffer;
1822: line = (char *)xmalloc(cursor + 1);
1823: memcpy(line, lf->buffer, cursor);
1824: line[cursor] = '\0';
1825: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 1826: free(line);
1.116 djm 1827:
1828: /* Get all the arguments on the line */
1829: len = lf->lastchar - lf->buffer;
1830: line = (char *)xmalloc(len + 1);
1831: memcpy(line, lf->buffer, len);
1832: line[len] = '\0';
1833: argv = makeargv(line, &argc, 1, NULL, NULL);
1834:
1835: /* Ensure cursor is at EOL or a argument boundary */
1836: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1837: line[cursor] != '\n') {
1.145 djm 1838: free(line);
1.116 djm 1839: return ret;
1840: }
1841:
1842: if (carg == 0) {
1843: /* Show all available commands */
1844: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1845: ret = CC_REDISPLAY;
1846: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1847: /* Handle the command parsing */
1848: if (complete_cmd_parse(el, argv[0], argc == carg,
1849: quote, terminated) != 0)
1850: ret = CC_REDISPLAY;
1851: } else if (carg >= 1) {
1852: /* Handle file parsing */
1853: int remote = complete_is_remote(argv[0]);
1854: char *filematch = NULL;
1855:
1856: if (carg > 1 && line[cursor-1] != ' ')
1857: filematch = argv[carg - 1];
1858:
1859: if (remote != 0 &&
1860: complete_match(el, complete_ctx->conn,
1861: *complete_ctx->remote_pathp, filematch,
1862: remote, carg == argc, quote, terminated) != 0)
1863: ret = CC_REDISPLAY;
1864: }
1865:
1.145 djm 1866: free(line);
1.116 djm 1867: return ret;
1868: }
1869:
1.44 djm 1870: int
1.112 djm 1871: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1872: {
1.116 djm 1873: char *remote_path;
1.44 djm 1874: char *dir = NULL;
1875: char cmd[2048];
1.66 jaredy 1876: int err, interactive;
1.57 djm 1877: EditLine *el = NULL;
1878: History *hl = NULL;
1879: HistEvent hev;
1880: extern char *__progname;
1.116 djm 1881: struct complete_ctx complete_ctx;
1.57 djm 1882:
1883: if (!batchmode && isatty(STDIN_FILENO)) {
1884: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1885: fatal("Couldn't initialise editline");
1886: if ((hl = history_init()) == NULL)
1887: fatal("Couldn't initialise editline history");
1888: history(hl, &hev, H_SETSIZE, 100);
1889: el_set(el, EL_HIST, history, hl);
1890:
1891: el_set(el, EL_PROMPT, prompt);
1892: el_set(el, EL_EDITOR, "emacs");
1893: el_set(el, EL_TERMINAL, NULL);
1894: el_set(el, EL_SIGNAL, 1);
1895: el_source(el, NULL);
1.116 djm 1896:
1897: /* Tab Completion */
1898: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 1899: "Context sensitive argument completion", complete);
1.116 djm 1900: complete_ctx.conn = conn;
1901: complete_ctx.remote_pathp = &remote_path;
1902: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
1903: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.57 djm 1904: }
1.44 djm 1905:
1.116 djm 1906: remote_path = do_realpath(conn, ".");
1907: if (remote_path == NULL)
1.44 djm 1908: fatal("Need cwd");
1909:
1910: if (file1 != NULL) {
1911: dir = xstrdup(file1);
1.116 djm 1912: dir = make_absolute(dir, remote_path);
1.44 djm 1913:
1914: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 1915: if (!quiet)
1916: printf("Changing to: %s\n", dir);
1.44 djm 1917: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 1918: if (parse_dispatch_command(conn, cmd,
1919: &remote_path, 1) != 0) {
1.145 djm 1920: free(dir);
1921: free(remote_path);
1922: free(conn);
1.44 djm 1923: return (-1);
1.58 markus 1924: }
1.44 djm 1925: } else {
1.137 djm 1926: /* XXX this is wrong wrt quoting */
1.44 djm 1927: if (file2 == NULL)
1928: snprintf(cmd, sizeof cmd, "get %s", dir);
1929: else
1930: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1931: file2);
1932:
1.116 djm 1933: err = parse_dispatch_command(conn, cmd,
1934: &remote_path, 1);
1.145 djm 1935: free(dir);
1936: free(remote_path);
1937: free(conn);
1.44 djm 1938: return (err);
1939: }
1.145 djm 1940: free(dir);
1.44 djm 1941: }
1942:
1.135 djm 1943: setlinebuf(stdout);
1944: setlinebuf(infile);
1.44 djm 1945:
1.66 jaredy 1946: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 1947: err = 0;
1948: for (;;) {
1949: char *cp;
1.57 djm 1950: const char *line;
1951: int count = 0;
1.44 djm 1952:
1.46 djm 1953: signal(SIGINT, SIG_IGN);
1954:
1.57 djm 1955: if (el == NULL) {
1.66 jaredy 1956: if (interactive)
1957: printf("sftp> ");
1.57 djm 1958: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 1959: if (interactive)
1960: printf("\n");
1.57 djm 1961: break;
1962: }
1.66 jaredy 1963: if (!interactive) { /* Echo command */
1964: printf("sftp> %s", cmd);
1965: if (strlen(cmd) > 0 &&
1966: cmd[strlen(cmd) - 1] != '\n')
1967: printf("\n");
1968: }
1.57 djm 1969: } else {
1.116 djm 1970: if ((line = el_gets(el, &count)) == NULL ||
1971: count <= 0) {
1.66 jaredy 1972: printf("\n");
1.57 djm 1973: break;
1.66 jaredy 1974: }
1.57 djm 1975: history(hl, &hev, H_ENTER, line);
1976: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1977: fprintf(stderr, "Error: input line too long\n");
1978: continue;
1979: }
1.44 djm 1980: }
1981:
1982: cp = strrchr(cmd, '\n');
1983: if (cp)
1984: *cp = '\0';
1985:
1.46 djm 1986: /* Handle user interrupts gracefully during commands */
1987: interrupted = 0;
1988: signal(SIGINT, cmd_interrupt);
1989:
1.116 djm 1990: err = parse_dispatch_command(conn, cmd, &remote_path,
1991: batchmode);
1.44 djm 1992: if (err != 0)
1993: break;
1994: }
1.145 djm 1995: free(remote_path);
1996: free(conn);
1.66 jaredy 1997:
1998: if (el != NULL)
1999: el_end(el);
1.44 djm 2000:
2001: /* err == 1 signifies normal "quit" exit */
2002: return (err >= 0 ? 0 : -1);
2003: }
1.34 fgsch 2004:
1.18 itojun 2005: static void
1.36 djm 2006: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2007: {
2008: int c_in, c_out;
1.30 deraadt 2009:
1.1 djm 2010: int inout[2];
1.30 deraadt 2011:
1.1 djm 2012: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2013: fatal("socketpair: %s", strerror(errno));
2014: *in = *out = inout[0];
2015: c_in = c_out = inout[1];
2016:
1.36 djm 2017: if ((sshpid = fork()) == -1)
1.1 djm 2018: fatal("fork: %s", strerror(errno));
1.36 djm 2019: else if (sshpid == 0) {
1.1 djm 2020: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2021: (dup2(c_out, STDOUT_FILENO) == -1)) {
2022: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2023: _exit(1);
1.1 djm 2024: }
2025: close(*in);
2026: close(*out);
2027: close(c_in);
2028: close(c_out);
1.46 djm 2029:
2030: /*
2031: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2032: * ignore SIGINT if we want to gracefully abort commands,
2033: * otherwise the signal will make it to the ssh process and
1.122 guenther 2034: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2035: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2036: */
2037: signal(SIGINT, SIG_IGN);
1.122 guenther 2038: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2039: execvp(path, args);
1.23 djm 2040: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2041: _exit(1);
1.1 djm 2042: }
2043:
1.36 djm 2044: signal(SIGTERM, killchild);
2045: signal(SIGINT, killchild);
2046: signal(SIGHUP, killchild);
1.1 djm 2047: close(c_in);
2048: close(c_out);
2049: }
2050:
1.18 itojun 2051: static void
1.1 djm 2052: usage(void)
2053: {
1.25 mpech 2054: extern char *__progname;
1.27 markus 2055:
1.19 stevesk 2056: fprintf(stderr,
1.111 djm 2057: "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2058: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2059: "[-i identity_file] [-l limit]\n"
1.110 jmc 2060: " [-o ssh_option] [-P port] [-R num_requests] "
2061: "[-S program]\n"
1.108 djm 2062: " [-s subsystem | sftp_server] host\n"
1.105 djm 2063: " %s [user@]host[:file ...]\n"
2064: " %s [user@]host[:dir[/]]\n"
1.108 djm 2065: " %s -b batchfile [user@]host\n",
2066: __progname, __progname, __progname, __progname);
1.1 djm 2067: exit(1);
2068: }
2069:
1.2 stevesk 2070: int
1.1 djm 2071: main(int argc, char **argv)
2072: {
1.33 djm 2073: int in, out, ch, err;
1.117 dtucker 2074: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2075: int debug_level = 0, sshver = 2;
2076: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2077: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2078: const char *errstr;
1.17 mouring 2079: LogLevel ll = SYSLOG_LEVEL_INFO;
2080: arglist args;
1.3 djm 2081: extern int optind;
2082: extern char *optarg;
1.112 djm 2083: struct sftp_conn *conn;
2084: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2085: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2086: long long limit_kbps = 0;
1.67 djm 2087:
2088: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2089: sanitise_stdfd();
1.146 dtucker 2090: setlocale(LC_CTYPE, "");
1.1 djm 2091:
1.70 djm 2092: memset(&args, '\0', sizeof(args));
1.17 mouring 2093: args.list = NULL;
1.80 djm 2094: addargs(&args, "%s", ssh_program);
1.17 mouring 2095: addargs(&args, "-oForwardX11 no");
2096: addargs(&args, "-oForwardAgent no");
1.69 reyk 2097: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2098: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2099:
1.17 mouring 2100: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2101: infile = stdin;
1.3 djm 2102:
1.109 djm 2103: while ((ch = getopt(argc, argv,
1.126 djm 2104: "1246hpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2105: switch (ch) {
1.108 djm 2106: /* Passed through to ssh(1) */
2107: case '4':
2108: case '6':
1.3 djm 2109: case 'C':
1.108 djm 2110: addargs(&args, "-%c", ch);
2111: break;
2112: /* Passed through to ssh(1) with argument */
2113: case 'F':
2114: case 'c':
2115: case 'i':
2116: case 'o':
1.113 halex 2117: addargs(&args, "-%c", ch);
2118: addargs(&args, "%s", optarg);
1.108 djm 2119: break;
2120: case 'q':
1.143 djm 2121: ll = SYSLOG_LEVEL_ERROR;
2122: quiet = 1;
1.108 djm 2123: showprogress = 0;
2124: addargs(&args, "-%c", ch);
1.3 djm 2125: break;
1.109 djm 2126: case 'P':
2127: addargs(&args, "-oPort %s", optarg);
2128: break;
1.3 djm 2129: case 'v':
1.17 mouring 2130: if (debug_level < 3) {
2131: addargs(&args, "-v");
2132: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2133: }
2134: debug_level++;
1.3 djm 2135: break;
1.7 markus 2136: case '1':
1.17 mouring 2137: sshver = 1;
1.7 markus 2138: if (sftp_server == NULL)
2139: sftp_server = _PATH_SFTP_SERVER;
2140: break;
1.108 djm 2141: case '2':
2142: sshver = 2;
1.7 markus 2143: break;
1.108 djm 2144: case 'B':
2145: copy_buffer_len = strtol(optarg, &cp, 10);
2146: if (copy_buffer_len == 0 || *cp != '\0')
2147: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2148: break;
1.10 deraadt 2149: case 'b':
1.39 djm 2150: if (batchmode)
2151: fatal("Batch file already specified.");
2152:
2153: /* Allow "-" as stdin */
1.56 deraadt 2154: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2155: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2156: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2157: showprogress = 0;
1.143 djm 2158: quiet = batchmode = 1;
1.62 djm 2159: addargs(&args, "-obatchmode yes");
1.10 deraadt 2160: break;
1.111 djm 2161: case 'p':
2162: global_pflag = 1;
2163: break;
1.109 djm 2164: case 'D':
1.23 djm 2165: sftp_direct = optarg;
1.111 djm 2166: break;
1.126 djm 2167: case 'l':
2168: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2169: &errstr);
2170: if (errstr != NULL)
2171: usage();
2172: limit_kbps *= 1024; /* kbps */
2173: break;
1.111 djm 2174: case 'r':
2175: global_rflag = 1;
1.24 djm 2176: break;
1.26 djm 2177: case 'R':
2178: num_requests = strtol(optarg, &cp, 10);
2179: if (num_requests == 0 || *cp != '\0')
1.27 markus 2180: fatal("Invalid number of requests \"%s\"",
1.26 djm 2181: optarg);
1.108 djm 2182: break;
2183: case 's':
2184: sftp_server = optarg;
2185: break;
2186: case 'S':
2187: ssh_program = optarg;
2188: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2189: break;
1.3 djm 2190: case 'h':
2191: default:
1.1 djm 2192: usage();
2193: }
2194: }
1.45 djm 2195:
2196: if (!isatty(STDERR_FILENO))
2197: showprogress = 0;
1.1 djm 2198:
1.29 markus 2199: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2200:
1.23 djm 2201: if (sftp_direct == NULL) {
2202: if (optind == argc || argc > (optind + 2))
2203: usage();
2204:
2205: userhost = xstrdup(argv[optind]);
2206: file2 = argv[optind+1];
1.1 djm 2207:
1.32 markus 2208: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2209: host = userhost;
2210: else {
2211: *host++ = '\0';
2212: if (!userhost[0]) {
2213: fprintf(stderr, "Missing username\n");
2214: usage();
2215: }
1.115 guenther 2216: addargs(&args, "-l");
2217: addargs(&args, "%s", userhost);
1.41 djm 2218: }
2219:
2220: if ((cp = colon(host)) != NULL) {
2221: *cp++ = '\0';
2222: file1 = cp;
1.23 djm 2223: }
1.3 djm 2224:
1.23 djm 2225: host = cleanhostname(host);
2226: if (!*host) {
2227: fprintf(stderr, "Missing hostname\n");
1.1 djm 2228: usage();
2229: }
2230:
1.23 djm 2231: addargs(&args, "-oProtocol %d", sshver);
2232:
2233: /* no subsystem if the server-spec contains a '/' */
2234: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2235: addargs(&args, "-s");
2236:
1.115 guenther 2237: addargs(&args, "--");
1.23 djm 2238: addargs(&args, "%s", host);
1.27 markus 2239: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2240: sftp_server : "sftp"));
2241:
1.36 djm 2242: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2243: } else {
2244: args.list = NULL;
2245: addargs(&args, "sftp-server");
2246:
1.36 djm 2247: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2248: }
1.70 djm 2249: freeargs(&args);
1.1 djm 2250:
1.126 djm 2251: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2252: if (conn == NULL)
2253: fatal("Couldn't initialise connection to server");
2254:
1.143 djm 2255: if (!quiet) {
1.112 djm 2256: if (sftp_direct == NULL)
2257: fprintf(stderr, "Connected to %s.\n", host);
2258: else
2259: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2260: }
2261:
2262: err = interactive_loop(conn, file1, file2);
1.1 djm 2263:
2264: close(in);
2265: close(out);
1.39 djm 2266: if (batchmode)
1.10 deraadt 2267: fclose(infile);
1.1 djm 2268:
1.28 markus 2269: while (waitpid(sshpid, NULL, 0) == -1)
2270: if (errno != EINTR)
2271: fatal("Couldn't wait for ssh process: %s",
2272: strerror(errno));
1.1 djm 2273:
1.33 djm 2274: exit(err == 0 ? 0 : 1);
1.1 djm 2275: }
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