Annotation of src/usr.bin/ssh/sftp.c, Revision 1.161
1.161 ! dtucker 1: /* $OpenBSD: sftp.c,v 1.160 2014/04/22 10:07:12 logan 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:
1.159 logan 72: /* When this option is set, we resume download or upload if possible */
1.148 djm 73: int global_aflag = 0;
74:
1.111 djm 75: /* When this option is set, the file transfers will always preserve times */
76: int global_pflag = 0;
77:
1.156 djm 78: /* When this option is set, transfers will have fsync() called on each file */
79: int global_fflag = 0;
80:
1.46 djm 81: /* SIGINT received during command processing */
82: volatile sig_atomic_t interrupted = 0;
83:
1.52 djm 84: /* I wish qsort() took a separate ctx for the comparison function...*/
85: int sort_flag;
86:
1.116 djm 87: /* Context used for commandline completion */
88: struct complete_ctx {
89: struct sftp_conn *conn;
90: char **remote_pathp;
91: };
92:
1.44 djm 93: int remote_glob(struct sftp_conn *, const char *, int,
94: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
95:
96: /* Separators for interactive commands */
97: #define WHITESPACE " \t\r\n"
98:
1.52 djm 99: /* ls flags */
1.119 djm 100: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
101: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
102: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
103: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
104: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
105: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
106: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
107: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
108: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 109:
1.119 djm 110: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 111: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 112:
113: /* Commands for interactive mode */
1.149 djm 114: enum sftp_command {
115: I_CHDIR = 1,
116: I_CHGRP,
117: I_CHMOD,
118: I_CHOWN,
119: I_DF,
120: I_GET,
121: I_HELP,
122: I_LCHDIR,
123: I_LINK,
124: I_LLS,
125: I_LMKDIR,
126: I_LPWD,
127: I_LS,
128: I_LUMASK,
129: I_MKDIR,
130: I_PUT,
131: I_PWD,
132: I_QUIT,
1.160 logan 133: I_REGET,
1.149 djm 134: I_RENAME,
1.160 logan 135: I_REPUT,
1.149 djm 136: I_RM,
137: I_RMDIR,
138: I_SHELL,
139: I_SYMLINK,
140: I_VERSION,
141: I_PROGRESS,
142: };
1.44 djm 143:
144: struct CMD {
145: const char *c;
146: const int n;
1.116 djm 147: const int t;
1.44 djm 148: };
149:
1.116 djm 150: /* Type of completion */
151: #define NOARGS 0
152: #define REMOTE 1
153: #define LOCAL 2
154:
1.44 djm 155: static const struct CMD cmds[] = {
1.116 djm 156: { "bye", I_QUIT, NOARGS },
157: { "cd", I_CHDIR, REMOTE },
158: { "chdir", I_CHDIR, REMOTE },
159: { "chgrp", I_CHGRP, REMOTE },
160: { "chmod", I_CHMOD, REMOTE },
161: { "chown", I_CHOWN, REMOTE },
162: { "df", I_DF, REMOTE },
163: { "dir", I_LS, REMOTE },
164: { "exit", I_QUIT, NOARGS },
165: { "get", I_GET, REMOTE },
166: { "help", I_HELP, NOARGS },
167: { "lcd", I_LCHDIR, LOCAL },
168: { "lchdir", I_LCHDIR, LOCAL },
169: { "lls", I_LLS, LOCAL },
170: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 171: { "ln", I_LINK, REMOTE },
1.116 djm 172: { "lpwd", I_LPWD, LOCAL },
173: { "ls", I_LS, REMOTE },
174: { "lumask", I_LUMASK, NOARGS },
175: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 176: { "mget", I_GET, REMOTE },
177: { "mput", I_PUT, LOCAL },
1.116 djm 178: { "progress", I_PROGRESS, NOARGS },
179: { "put", I_PUT, LOCAL },
180: { "pwd", I_PWD, REMOTE },
181: { "quit", I_QUIT, NOARGS },
1.148 djm 182: { "reget", I_REGET, REMOTE },
1.116 djm 183: { "rename", I_RENAME, REMOTE },
1.159 logan 184: { "reput", I_REPUT, LOCAL },
1.116 djm 185: { "rm", I_RM, REMOTE },
186: { "rmdir", I_RMDIR, REMOTE },
187: { "symlink", I_SYMLINK, REMOTE },
188: { "version", I_VERSION, NOARGS },
189: { "!", I_SHELL, NOARGS },
190: { "?", I_HELP, NOARGS },
191: { NULL, -1, -1 }
1.44 djm 192: };
193:
1.112 djm 194: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 195:
1.96 stevesk 196: /* ARGSUSED */
1.44 djm 197: static void
1.46 djm 198: killchild(int signo)
199: {
1.61 dtucker 200: if (sshpid > 1) {
1.46 djm 201: kill(sshpid, SIGTERM);
1.61 dtucker 202: waitpid(sshpid, NULL, 0);
203: }
1.46 djm 204:
205: _exit(1);
206: }
207:
1.96 stevesk 208: /* ARGSUSED */
1.46 djm 209: static void
210: cmd_interrupt(int signo)
211: {
212: const char msg[] = "\rInterrupt \n";
1.59 djm 213: int olderrno = errno;
1.46 djm 214:
1.144 dtucker 215: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 216: interrupted = 1;
1.59 djm 217: errno = olderrno;
1.46 djm 218: }
219:
220: static void
1.44 djm 221: help(void)
222: {
1.106 sobrado 223: printf("Available commands:\n"
224: "bye Quit sftp\n"
225: "cd path Change remote directory to 'path'\n"
226: "chgrp grp path Change group of file 'path' to 'grp'\n"
227: "chmod mode path Change permissions of file 'path' to 'mode'\n"
228: "chown own path Change owner of file 'path' to 'own'\n"
229: "df [-hi] [path] Display statistics for current directory or\n"
230: " filesystem containing 'path'\n"
231: "exit Quit sftp\n"
1.121 jmc 232: "get [-Ppr] remote [local] Download file\n"
1.148 djm 233: "reget remote [local] Resume download file\n"
1.159 logan 234: "reput [local] remote Resume upload file\n"
1.106 sobrado 235: "help Display this help text\n"
236: "lcd path Change local directory to 'path'\n"
237: "lls [ls-options [path]] Display local directory listing\n"
238: "lmkdir path Create local directory\n"
1.132 djm 239: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 240: "lpwd Print local working directory\n"
1.121 jmc 241: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 242: "lumask umask Set local umask to 'umask'\n"
243: "mkdir path Create remote directory\n"
244: "progress Toggle display of progress meter\n"
1.121 jmc 245: "put [-Ppr] local [remote] Upload file\n"
1.106 sobrado 246: "pwd Display remote working directory\n"
247: "quit Quit sftp\n"
248: "rename oldpath newpath Rename remote file\n"
249: "rm path Delete remote file\n"
250: "rmdir path Remove remote directory\n"
251: "symlink oldpath newpath Symlink remote file\n"
252: "version Show SFTP version\n"
253: "!command Execute 'command' in local shell\n"
254: "! Escape to local shell\n"
255: "? Synonym for help\n");
1.44 djm 256: }
257:
258: static void
259: local_do_shell(const char *args)
260: {
261: int status;
262: char *shell;
263: pid_t pid;
264:
265: if (!*args)
266: args = NULL;
267:
1.130 djm 268: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 269: shell = _PATH_BSHELL;
270:
271: if ((pid = fork()) == -1)
272: fatal("Couldn't fork: %s", strerror(errno));
273:
274: if (pid == 0) {
275: /* XXX: child has pipe fds to ssh subproc open - issue? */
276: if (args) {
277: debug3("Executing %s -c \"%s\"", shell, args);
278: execl(shell, shell, "-c", args, (char *)NULL);
279: } else {
280: debug3("Executing %s", shell);
281: execl(shell, shell, (char *)NULL);
282: }
283: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
284: strerror(errno));
285: _exit(1);
286: }
287: while (waitpid(pid, &status, 0) == -1)
288: if (errno != EINTR)
289: fatal("Couldn't wait for child: %s", strerror(errno));
290: if (!WIFEXITED(status))
1.78 djm 291: error("Shell exited abnormally");
1.44 djm 292: else if (WEXITSTATUS(status))
293: error("Shell exited with status %d", WEXITSTATUS(status));
294: }
295:
296: static void
297: local_do_ls(const char *args)
298: {
299: if (!args || !*args)
300: local_do_shell(_PATH_LS);
301: else {
302: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
303: char *buf = xmalloc(len);
304:
305: /* XXX: quoting - rip quoting code from ftp? */
306: snprintf(buf, len, _PATH_LS " %s", args);
307: local_do_shell(buf);
1.145 djm 308: free(buf);
1.44 djm 309: }
310: }
311:
312: /* Strip one path (usually the pwd) from the start of another */
313: static char *
314: path_strip(char *path, char *strip)
315: {
316: size_t len;
317:
318: if (strip == NULL)
319: return (xstrdup(path));
320:
321: len = strlen(strip);
1.59 djm 322: if (strncmp(path, strip, len) == 0) {
1.44 djm 323: if (strip[len - 1] != '/' && path[len] == '/')
324: len++;
325: return (xstrdup(path + len));
326: }
327:
328: return (xstrdup(path));
329: }
330:
331: static char *
332: make_absolute(char *p, char *pwd)
333: {
1.51 avsm 334: char *abs_str;
1.44 djm 335:
336: /* Derelativise */
337: if (p && p[0] != '/') {
1.51 avsm 338: abs_str = path_append(pwd, p);
1.145 djm 339: free(p);
1.51 avsm 340: return(abs_str);
1.44 djm 341: } else
342: return(p);
343: }
344:
345: static int
1.148 djm 346: parse_getput_flags(const char *cmd, char **argv, int argc,
1.156 djm 347: int *aflag, int *fflag, int *pflag, int *rflag)
1.44 djm 348: {
1.102 martynas 349: extern int opterr, optind, optopt, optreset;
1.97 djm 350: int ch;
1.44 djm 351:
1.97 djm 352: optind = optreset = 1;
353: opterr = 0;
354:
1.156 djm 355: *aflag = *fflag = *rflag = *pflag = 0;
356: while ((ch = getopt(argc, argv, "afPpRr")) != -1) {
1.97 djm 357: switch (ch) {
1.148 djm 358: case 'a':
359: *aflag = 1;
360: break;
1.156 djm 361: case 'f':
362: *fflag = 1;
363: break;
1.44 djm 364: case 'p':
365: case 'P':
366: *pflag = 1;
367: break;
1.111 djm 368: case 'r':
369: case 'R':
370: *rflag = 1;
371: break;
1.44 djm 372: default:
1.102 martynas 373: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 374: return -1;
1.44 djm 375: }
376: }
377:
1.97 djm 378: return optind;
1.44 djm 379: }
380:
381: static int
1.132 djm 382: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
383: {
384: extern int opterr, optind, optopt, optreset;
385: int ch;
386:
387: optind = optreset = 1;
388: opterr = 0;
389:
390: *sflag = 0;
391: while ((ch = getopt(argc, argv, "s")) != -1) {
392: switch (ch) {
393: case 's':
394: *sflag = 1;
395: break;
396: default:
397: error("%s: Invalid flag -%c", cmd, optopt);
398: return -1;
399: }
400: }
401:
402: return optind;
403: }
404:
405: static int
1.152 djm 406: parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag)
407: {
408: extern int opterr, optind, optopt, optreset;
409: int ch;
410:
411: optind = optreset = 1;
412: opterr = 0;
413:
414: *lflag = 0;
415: while ((ch = getopt(argc, argv, "l")) != -1) {
416: switch (ch) {
417: case 'l':
418: *lflag = 1;
419: break;
420: default:
421: error("%s: Invalid flag -%c", cmd, optopt);
422: return -1;
423: }
424: }
425:
426: return optind;
427: }
428:
429: static int
1.97 djm 430: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 431: {
1.102 martynas 432: extern int opterr, optind, optopt, optreset;
1.97 djm 433: int ch;
434:
435: optind = optreset = 1;
436: opterr = 0;
1.44 djm 437:
1.53 djm 438: *lflag = LS_NAME_SORT;
1.119 djm 439: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 440: switch (ch) {
441: case '1':
442: *lflag &= ~VIEW_FLAGS;
443: *lflag |= LS_SHORT_VIEW;
444: break;
445: case 'S':
446: *lflag &= ~SORT_FLAGS;
447: *lflag |= LS_SIZE_SORT;
448: break;
449: case 'a':
450: *lflag |= LS_SHOW_ALL;
451: break;
452: case 'f':
453: *lflag &= ~SORT_FLAGS;
454: break;
1.119 djm 455: case 'h':
456: *lflag |= LS_SI_UNITS;
457: break;
1.97 djm 458: case 'l':
1.119 djm 459: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 460: *lflag |= LS_LONG_VIEW;
461: break;
462: case 'n':
1.119 djm 463: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 464: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
465: break;
466: case 'r':
467: *lflag |= LS_REVERSE_SORT;
468: break;
469: case 't':
470: *lflag &= ~SORT_FLAGS;
471: *lflag |= LS_TIME_SORT;
472: break;
473: default:
1.102 martynas 474: error("ls: Invalid flag -%c", optopt);
1.97 djm 475: return -1;
1.44 djm 476: }
477: }
478:
1.97 djm 479: return optind;
1.44 djm 480: }
481:
482: static int
1.100 djm 483: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
484: {
1.102 martynas 485: extern int opterr, optind, optopt, optreset;
1.100 djm 486: int ch;
487:
488: optind = optreset = 1;
489: opterr = 0;
490:
491: *hflag = *iflag = 0;
492: while ((ch = getopt(argc, argv, "hi")) != -1) {
493: switch (ch) {
494: case 'h':
495: *hflag = 1;
496: break;
497: case 'i':
498: *iflag = 1;
499: break;
500: default:
1.102 martynas 501: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 502: return -1;
503: }
504: }
505:
506: return optind;
507: }
508:
509: static int
1.153 djm 510: parse_no_flags(const char *cmd, char **argv, int argc)
511: {
512: extern int opterr, optind, optopt, optreset;
513: int ch;
514:
515: optind = optreset = 1;
516: opterr = 0;
517:
518: while ((ch = getopt(argc, argv, "")) != -1) {
519: switch (ch) {
520: default:
521: error("%s: Invalid flag -%c", cmd, optopt);
522: return -1;
523: }
524: }
525:
526: return optind;
527: }
528:
529: static int
1.44 djm 530: is_dir(char *path)
531: {
532: struct stat sb;
533:
534: /* XXX: report errors? */
535: if (stat(path, &sb) == -1)
536: return(0);
537:
1.92 otto 538: return(S_ISDIR(sb.st_mode));
1.44 djm 539: }
540:
541: static int
542: remote_is_dir(struct sftp_conn *conn, char *path)
543: {
544: Attrib *a;
545:
546: /* XXX: report errors? */
547: if ((a = do_stat(conn, path, 1)) == NULL)
548: return(0);
549: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
550: return(0);
1.92 otto 551: return(S_ISDIR(a->perm));
1.44 djm 552: }
553:
1.111 djm 554: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
555: static int
556: pathname_is_dir(char *pathname)
557: {
558: size_t l = strlen(pathname);
559:
560: return l > 0 && pathname[l - 1] == '/';
561: }
562:
1.44 djm 563: static int
1.111 djm 564: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
1.156 djm 565: int pflag, int rflag, int resume, int fflag)
1.44 djm 566: {
567: char *abs_src = NULL;
568: char *abs_dst = NULL;
569: glob_t g;
1.111 djm 570: char *filename, *tmp=NULL;
571: int i, err = 0;
1.44 djm 572:
573: abs_src = xstrdup(src);
574: abs_src = make_absolute(abs_src, pwd);
1.111 djm 575: memset(&g, 0, sizeof(g));
1.44 djm 576:
577: debug3("Looking up %s", abs_src);
1.111 djm 578: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 579: error("File \"%s\" not found.", abs_src);
580: err = -1;
581: goto out;
582: }
583:
1.111 djm 584: /*
585: * If multiple matches then dst must be a directory or
586: * unspecified.
587: */
588: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
589: error("Multiple source paths, but destination "
590: "\"%s\" is not a directory", dst);
1.44 djm 591: err = -1;
592: goto out;
593: }
594:
1.46 djm 595: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 596: tmp = xstrdup(g.gl_pathv[i]);
597: if ((filename = basename(tmp)) == NULL) {
598: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 599: free(tmp);
1.44 djm 600: err = -1;
601: goto out;
602: }
603:
604: if (g.gl_matchc == 1 && dst) {
605: if (is_dir(dst)) {
1.111 djm 606: abs_dst = path_append(dst, filename);
607: } else {
1.44 djm 608: abs_dst = xstrdup(dst);
1.111 djm 609: }
1.44 djm 610: } else if (dst) {
1.111 djm 611: abs_dst = path_append(dst, filename);
612: } else {
613: abs_dst = xstrdup(filename);
614: }
1.145 djm 615: free(tmp);
1.44 djm 616:
1.148 djm 617: resume |= global_aflag;
618: if (!quiet && resume)
619: printf("Resuming %s to %s\n", g.gl_pathv[i], abs_dst);
620: else if (!quiet && !resume)
1.143 djm 621: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 622: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 623: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 624: pflag || global_pflag, 1, resume,
625: fflag || global_fflag) == -1)
1.111 djm 626: err = -1;
627: } else {
628: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 629: pflag || global_pflag, resume,
630: fflag || global_fflag) == -1)
1.111 djm 631: err = -1;
632: }
1.145 djm 633: free(abs_dst);
1.44 djm 634: abs_dst = NULL;
635: }
636:
637: out:
1.145 djm 638: free(abs_src);
1.44 djm 639: globfree(&g);
640: return(err);
641: }
642:
643: static int
1.111 djm 644: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
1.159 logan 645: int pflag, int rflag, int resume, int fflag)
1.44 djm 646: {
647: char *tmp_dst = NULL;
648: char *abs_dst = NULL;
1.111 djm 649: char *tmp = NULL, *filename = NULL;
1.44 djm 650: glob_t g;
651: int err = 0;
1.111 djm 652: int i, dst_is_dir = 1;
1.99 djm 653: struct stat sb;
1.44 djm 654:
655: if (dst) {
656: tmp_dst = xstrdup(dst);
657: tmp_dst = make_absolute(tmp_dst, pwd);
658: }
659:
660: memset(&g, 0, sizeof(g));
661: debug3("Looking up %s", src);
1.111 djm 662: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 663: error("File \"%s\" not found.", src);
664: err = -1;
665: goto out;
666: }
667:
1.111 djm 668: /* If we aren't fetching to pwd then stash this status for later */
669: if (tmp_dst != NULL)
670: dst_is_dir = remote_is_dir(conn, tmp_dst);
671:
1.44 djm 672: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 673: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
674: error("Multiple paths match, but destination "
675: "\"%s\" is not a directory", tmp_dst);
1.44 djm 676: err = -1;
677: goto out;
678: }
679:
1.46 djm 680: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 681: if (stat(g.gl_pathv[i], &sb) == -1) {
682: err = -1;
683: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
684: continue;
685: }
1.149 djm 686:
1.111 djm 687: tmp = xstrdup(g.gl_pathv[i]);
688: if ((filename = basename(tmp)) == NULL) {
689: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 690: free(tmp);
1.44 djm 691: err = -1;
692: goto out;
693: }
694:
695: if (g.gl_matchc == 1 && tmp_dst) {
696: /* If directory specified, append filename */
1.111 djm 697: if (dst_is_dir)
698: abs_dst = path_append(tmp_dst, filename);
699: else
1.44 djm 700: abs_dst = xstrdup(tmp_dst);
701: } else if (tmp_dst) {
1.111 djm 702: abs_dst = path_append(tmp_dst, filename);
703: } else {
704: abs_dst = make_absolute(xstrdup(filename), pwd);
705: }
1.145 djm 706: free(tmp);
1.44 djm 707:
1.159 logan 708: resume |= global_aflag;
709: if (!quiet && resume)
710: printf("Resuming upload of %s to %s\n", g.gl_pathv[i],
711: abs_dst);
712: else if (!quiet && !resume)
1.143 djm 713: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 714: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
715: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.159 logan 716: pflag || global_pflag, 1, resume,
1.156 djm 717: fflag || global_fflag) == -1)
1.111 djm 718: err = -1;
719: } else {
720: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.159 logan 721: pflag || global_pflag, resume,
1.156 djm 722: fflag || global_fflag) == -1)
1.111 djm 723: err = -1;
724: }
1.44 djm 725: }
726:
727: out:
1.145 djm 728: free(abs_dst);
729: free(tmp_dst);
1.44 djm 730: globfree(&g);
731: return(err);
732: }
733:
734: static int
735: sdirent_comp(const void *aa, const void *bb)
736: {
737: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
738: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 739: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 740:
1.52 djm 741: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 742: if (sort_flag & LS_NAME_SORT)
1.52 djm 743: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 744: else if (sort_flag & LS_TIME_SORT)
1.52 djm 745: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 746: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 747: return (rmul * NCMP(a->a.size, b->a.size));
748:
749: fatal("Unknown ls sort type");
1.44 djm 750: }
751:
752: /* sftp ls.1 replacement for directories */
753: static int
754: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
755: {
1.64 djm 756: int n;
757: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 758: SFTP_DIRENT **d;
759:
760: if ((n = do_readdir(conn, path, &d)) != 0)
761: return (n);
762:
1.53 djm 763: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 764: u_int m = 0, width = 80;
1.44 djm 765: struct winsize ws;
766: char *tmp;
767:
768: /* Count entries for sort and find longest filename */
1.54 djm 769: for (n = 0; d[n] != NULL; n++) {
770: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
771: m = MAX(m, strlen(d[n]->filename));
772: }
1.44 djm 773:
774: /* Add any subpath that also needs to be counted */
775: tmp = path_strip(path, strip_path);
776: m += strlen(tmp);
1.145 djm 777: free(tmp);
1.44 djm 778:
779: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
780: width = ws.ws_col;
781:
782: columns = width / (m + 2);
783: columns = MAX(columns, 1);
784: colspace = width / columns;
785: colspace = MIN(colspace, width);
786: }
787:
1.52 djm 788: if (lflag & SORT_FLAGS) {
1.68 dtucker 789: for (n = 0; d[n] != NULL; n++)
790: ; /* count entries */
1.53 djm 791: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 792: qsort(d, n, sizeof(*d), sdirent_comp);
793: }
1.44 djm 794:
1.46 djm 795: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 796: char *tmp, *fname;
1.54 djm 797:
798: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
799: continue;
1.44 djm 800:
801: tmp = path_append(path, d[n]->filename);
802: fname = path_strip(tmp, strip_path);
1.145 djm 803: free(tmp);
1.44 djm 804:
1.53 djm 805: if (lflag & LS_LONG_VIEW) {
1.119 djm 806: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 807: char *lname;
808: struct stat sb;
809:
810: memset(&sb, 0, sizeof(sb));
811: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 812: lname = ls_file(fname, &sb, 1,
813: (lflag & LS_SI_UNITS));
1.50 djm 814: printf("%s\n", lname);
1.145 djm 815: free(lname);
1.50 djm 816: } else
817: printf("%s\n", d[n]->longname);
1.44 djm 818: } else {
819: printf("%-*s", colspace, fname);
820: if (c >= columns) {
821: printf("\n");
822: c = 1;
823: } else
824: c++;
825: }
826:
1.145 djm 827: free(fname);
1.44 djm 828: }
829:
1.53 djm 830: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 831: printf("\n");
832:
833: free_sftp_dirents(d);
834: return (0);
835: }
836:
837: /* sftp ls.1 replacement which handles path globs */
838: static int
839: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
840: int lflag)
841: {
1.129 djm 842: char *fname, *lname;
1.44 djm 843: glob_t g;
1.128 djm 844: int err;
1.129 djm 845: struct winsize ws;
846: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 847:
848: memset(&g, 0, sizeof(g));
849:
1.128 djm 850: if (remote_glob(conn, path,
1.133 djm 851: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
852: NULL, &g) ||
1.128 djm 853: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 854: if (g.gl_pathc)
855: globfree(&g);
1.44 djm 856: error("Can't ls: \"%s\" not found", path);
1.128 djm 857: return -1;
1.44 djm 858: }
859:
1.46 djm 860: if (interrupted)
861: goto out;
862:
1.44 djm 863: /*
1.60 fgsch 864: * If the glob returns a single match and it is a directory,
865: * then just list its contents.
1.44 djm 866: */
1.128 djm 867: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
868: S_ISDIR(g.gl_statv[0]->st_mode)) {
869: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
870: globfree(&g);
871: return err;
1.44 djm 872: }
873:
1.129 djm 874: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
875: width = ws.ws_col;
876:
1.53 djm 877: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 878: /* Count entries for sort and find longest filename */
879: for (i = 0; g.gl_pathv[i]; i++)
880: m = MAX(m, strlen(g.gl_pathv[i]));
881:
882: columns = width / (m + 2);
883: columns = MAX(columns, 1);
884: colspace = width / columns;
885: }
886:
1.136 dtucker 887: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 888: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 889: if (lflag & LS_LONG_VIEW) {
1.128 djm 890: if (g.gl_statv[i] == NULL) {
891: error("no stat information for %s", fname);
892: continue;
893: }
894: lname = ls_file(fname, g.gl_statv[i], 1,
895: (lflag & LS_SI_UNITS));
1.44 djm 896: printf("%s\n", lname);
1.145 djm 897: free(lname);
1.44 djm 898: } else {
899: printf("%-*s", colspace, fname);
900: if (c >= columns) {
901: printf("\n");
902: c = 1;
903: } else
904: c++;
905: }
1.145 djm 906: free(fname);
1.44 djm 907: }
908:
1.53 djm 909: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 910: printf("\n");
911:
1.46 djm 912: out:
1.44 djm 913: if (g.gl_pathc)
914: globfree(&g);
915:
1.128 djm 916: return 0;
1.44 djm 917: }
918:
1.100 djm 919: static int
920: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
921: {
1.101 dtucker 922: struct sftp_statvfs st;
1.100 djm 923: char s_used[FMT_SCALED_STRSIZE];
924: char s_avail[FMT_SCALED_STRSIZE];
925: char s_root[FMT_SCALED_STRSIZE];
926: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 927: unsigned long long ffree;
1.100 djm 928:
929: if (do_statvfs(conn, path, &st, 1) == -1)
930: return -1;
931: if (iflag) {
1.114 dtucker 932: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 933: printf(" Inodes Used Avail "
934: "(root) %%Capacity\n");
935: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
936: (unsigned long long)st.f_files,
937: (unsigned long long)(st.f_files - st.f_ffree),
938: (unsigned long long)st.f_favail,
1.114 dtucker 939: (unsigned long long)st.f_ffree, ffree);
1.100 djm 940: } else if (hflag) {
941: strlcpy(s_used, "error", sizeof(s_used));
942: strlcpy(s_avail, "error", sizeof(s_avail));
943: strlcpy(s_root, "error", sizeof(s_root));
944: strlcpy(s_total, "error", sizeof(s_total));
945: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
946: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
947: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
948: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
949: printf(" Size Used Avail (root) %%Capacity\n");
950: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
951: s_total, s_used, s_avail, s_root,
952: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
953: st.f_blocks));
954: } else {
955: printf(" Size Used Avail "
956: "(root) %%Capacity\n");
957: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
958: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
959: (unsigned long long)(st.f_frsize *
960: (st.f_blocks - st.f_bfree) / 1024),
961: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
962: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
963: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
964: st.f_blocks));
965: }
966: return 0;
967: }
968:
1.97 djm 969: /*
970: * Undo escaping of glob sequences in place. Used to undo extra escaping
971: * applied in makeargv() when the string is destined for a function that
972: * does not glob it.
973: */
974: static void
975: undo_glob_escape(char *s)
976: {
977: size_t i, j;
978:
979: for (i = j = 0;;) {
980: if (s[i] == '\0') {
981: s[j] = '\0';
982: return;
983: }
984: if (s[i] != '\\') {
985: s[j++] = s[i++];
986: continue;
987: }
988: /* s[i] == '\\' */
989: ++i;
990: switch (s[i]) {
991: case '?':
992: case '[':
993: case '*':
994: case '\\':
995: s[j++] = s[i++];
996: break;
997: case '\0':
998: s[j++] = '\\';
999: s[j] = '\0';
1000: return;
1001: default:
1002: s[j++] = '\\';
1003: s[j++] = s[i++];
1004: break;
1005: }
1006: }
1007: }
1008:
1009: /*
1010: * Split a string into an argument vector using sh(1)-style quoting,
1011: * comment and escaping rules, but with some tweaks to handle glob(3)
1012: * wildcards.
1.116 djm 1013: * The "sloppy" flag allows for recovery from missing terminating quote, for
1014: * use in parsing incomplete commandlines during tab autocompletion.
1015: *
1.97 djm 1016: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1017: *
1018: * If "lastquote" is not NULL, the quoting character used for the last
1019: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1020: *
1.116 djm 1021: * If "terminated" is not NULL, *terminated will be set to 1 when the
1022: * last argument's quote has been properly terminated or 0 otherwise.
1023: * This parameter is only of use if "sloppy" is set.
1.97 djm 1024: */
1025: #define MAXARGS 128
1026: #define MAXARGLEN 8192
1027: static char **
1.116 djm 1028: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1029: u_int *terminated)
1.97 djm 1030: {
1031: int argc, quot;
1032: size_t i, j;
1033: static char argvs[MAXARGLEN];
1034: static char *argv[MAXARGS + 1];
1035: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1036:
1037: *argcp = argc = 0;
1038: if (strlen(arg) > sizeof(argvs) - 1) {
1039: args_too_longs:
1040: error("string too long");
1041: return NULL;
1042: }
1.116 djm 1043: if (terminated != NULL)
1044: *terminated = 1;
1045: if (lastquote != NULL)
1046: *lastquote = '\0';
1.97 djm 1047: state = MA_START;
1048: i = j = 0;
1049: for (;;) {
1.141 markus 1050: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1051: error("Too many arguments.");
1052: return NULL;
1053: }
1.158 deraadt 1054: if (isspace((unsigned char)arg[i])) {
1.97 djm 1055: if (state == MA_UNQUOTED) {
1056: /* Terminate current argument */
1057: argvs[j++] = '\0';
1058: argc++;
1059: state = MA_START;
1060: } else if (state != MA_START)
1061: argvs[j++] = arg[i];
1062: } else if (arg[i] == '"' || arg[i] == '\'') {
1063: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1064: if (state == MA_START) {
1065: argv[argc] = argvs + j;
1066: state = q;
1.116 djm 1067: if (lastquote != NULL)
1068: *lastquote = arg[i];
1.149 djm 1069: } else if (state == MA_UNQUOTED)
1.97 djm 1070: state = q;
1071: else if (state == q)
1072: state = MA_UNQUOTED;
1073: else
1074: argvs[j++] = arg[i];
1075: } else if (arg[i] == '\\') {
1076: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1077: quot = state == MA_SQUOTE ? '\'' : '"';
1078: /* Unescape quote we are in */
1079: /* XXX support \n and friends? */
1080: if (arg[i + 1] == quot) {
1081: i++;
1082: argvs[j++] = arg[i];
1083: } else if (arg[i + 1] == '?' ||
1084: arg[i + 1] == '[' || arg[i + 1] == '*') {
1085: /*
1086: * Special case for sftp: append
1087: * double-escaped glob sequence -
1088: * glob will undo one level of
1089: * escaping. NB. string can grow here.
1090: */
1091: if (j >= sizeof(argvs) - 5)
1092: goto args_too_longs;
1093: argvs[j++] = '\\';
1094: argvs[j++] = arg[i++];
1095: argvs[j++] = '\\';
1096: argvs[j++] = arg[i];
1097: } else {
1098: argvs[j++] = arg[i++];
1099: argvs[j++] = arg[i];
1100: }
1101: } else {
1102: if (state == MA_START) {
1103: argv[argc] = argvs + j;
1104: state = MA_UNQUOTED;
1.116 djm 1105: if (lastquote != NULL)
1106: *lastquote = '\0';
1.97 djm 1107: }
1108: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1109: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1110: /*
1111: * Special case for sftp: append
1112: * escaped glob sequence -
1113: * glob will undo one level of
1114: * escaping.
1115: */
1116: argvs[j++] = arg[i++];
1117: argvs[j++] = arg[i];
1118: } else {
1119: /* Unescape everything */
1120: /* XXX support \n and friends? */
1121: i++;
1122: argvs[j++] = arg[i];
1123: }
1124: }
1125: } else if (arg[i] == '#') {
1126: if (state == MA_SQUOTE || state == MA_DQUOTE)
1127: argvs[j++] = arg[i];
1128: else
1129: goto string_done;
1130: } else if (arg[i] == '\0') {
1131: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1132: if (sloppy) {
1133: state = MA_UNQUOTED;
1134: if (terminated != NULL)
1135: *terminated = 0;
1136: goto string_done;
1137: }
1.97 djm 1138: error("Unterminated quoted argument");
1139: return NULL;
1140: }
1141: string_done:
1142: if (state == MA_UNQUOTED) {
1143: argvs[j++] = '\0';
1144: argc++;
1145: }
1146: break;
1147: } else {
1148: if (state == MA_START) {
1149: argv[argc] = argvs + j;
1150: state = MA_UNQUOTED;
1.116 djm 1151: if (lastquote != NULL)
1152: *lastquote = '\0';
1.97 djm 1153: }
1154: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1155: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1156: /*
1157: * Special case for sftp: escape quoted
1158: * glob(3) wildcards. NB. string can grow
1159: * here.
1160: */
1161: if (j >= sizeof(argvs) - 3)
1162: goto args_too_longs;
1163: argvs[j++] = '\\';
1164: argvs[j++] = arg[i];
1165: } else
1166: argvs[j++] = arg[i];
1167: }
1168: i++;
1169: }
1170: *argcp = argc;
1171: return argv;
1172: }
1173:
1.44 djm 1174: static int
1.159 logan 1175: parse_args(const char **cpp, int *ignore_errors, int *aflag,
1176: int *fflag, int *hflag, int *iflag, int *lflag, int *pflag,
1177: int *rflag, int *sflag,
1.156 djm 1178: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1179: {
1180: const char *cmd, *cp = *cpp;
1.97 djm 1181: char *cp2, **argv;
1.44 djm 1182: int base = 0;
1183: long l;
1.97 djm 1184: int i, cmdnum, optidx, argc;
1.44 djm 1185:
1186: /* Skip leading whitespace */
1187: cp = cp + strspn(cp, WHITESPACE);
1188:
1189: /* Check for leading '-' (disable error processing) */
1.156 djm 1190: *ignore_errors = 0;
1.44 djm 1191: if (*cp == '-') {
1.156 djm 1192: *ignore_errors = 1;
1.44 djm 1193: cp++;
1.118 dtucker 1194: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1195: }
1.118 dtucker 1196:
1197: /* Ignore blank lines and lines which begin with comment '#' char */
1198: if (*cp == '\0' || *cp == '#')
1199: return (0);
1.44 djm 1200:
1.116 djm 1201: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1202: return -1;
1203:
1.44 djm 1204: /* Figure out which command we have */
1.97 djm 1205: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1206: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1207: break;
1208: }
1209: cmdnum = cmds[i].n;
1210: cmd = cmds[i].c;
1211:
1212: /* Special case */
1213: if (*cp == '!') {
1214: cp++;
1215: cmdnum = I_SHELL;
1216: } else if (cmdnum == -1) {
1217: error("Invalid command.");
1.97 djm 1218: return -1;
1.44 djm 1219: }
1220:
1221: /* Get arguments and parse flags */
1.156 djm 1222: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1223: *rflag = *sflag = 0;
1.44 djm 1224: *path1 = *path2 = NULL;
1.97 djm 1225: optidx = 1;
1.44 djm 1226: switch (cmdnum) {
1227: case I_GET:
1.148 djm 1228: case I_REGET:
1.159 logan 1229: case I_REPUT:
1.44 djm 1230: case I_PUT:
1.132 djm 1231: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1232: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1233: return -1;
1.44 djm 1234: /* Get first pathname (mandatory) */
1.97 djm 1235: if (argc - optidx < 1) {
1.44 djm 1236: error("You must specify at least one path after a "
1237: "%s command.", cmd);
1.97 djm 1238: return -1;
1239: }
1240: *path1 = xstrdup(argv[optidx]);
1241: /* Get second pathname (optional) */
1242: if (argc - optidx > 1) {
1243: *path2 = xstrdup(argv[optidx + 1]);
1244: /* Destination is not globbed */
1245: undo_glob_escape(*path2);
1.44 djm 1246: }
1247: break;
1.132 djm 1248: case I_LINK:
1249: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1250: return -1;
1.152 djm 1251: goto parse_two_paths;
1252: case I_RENAME:
1253: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1254: return -1;
1255: goto parse_two_paths;
1.132 djm 1256: case I_SYMLINK:
1.153 djm 1257: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1258: return -1;
1.152 djm 1259: parse_two_paths:
1.97 djm 1260: if (argc - optidx < 2) {
1.44 djm 1261: error("You must specify two paths after a %s "
1262: "command.", cmd);
1.97 djm 1263: return -1;
1.44 djm 1264: }
1.97 djm 1265: *path1 = xstrdup(argv[optidx]);
1266: *path2 = xstrdup(argv[optidx + 1]);
1267: /* Paths are not globbed */
1268: undo_glob_escape(*path1);
1269: undo_glob_escape(*path2);
1.44 djm 1270: break;
1271: case I_RM:
1272: case I_MKDIR:
1273: case I_RMDIR:
1274: case I_CHDIR:
1275: case I_LCHDIR:
1276: case I_LMKDIR:
1.153 djm 1277: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1278: return -1;
1.44 djm 1279: /* Get pathname (mandatory) */
1.97 djm 1280: if (argc - optidx < 1) {
1.44 djm 1281: error("You must specify a path after a %s command.",
1282: cmd);
1.97 djm 1283: return -1;
1.44 djm 1284: }
1.97 djm 1285: *path1 = xstrdup(argv[optidx]);
1286: /* Only "rm" globs */
1287: if (cmdnum != I_RM)
1288: undo_glob_escape(*path1);
1.44 djm 1289: break;
1.100 djm 1290: case I_DF:
1291: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1292: iflag)) == -1)
1293: return -1;
1294: /* Default to current directory if no path specified */
1295: if (argc - optidx < 1)
1296: *path1 = NULL;
1297: else {
1298: *path1 = xstrdup(argv[optidx]);
1299: undo_glob_escape(*path1);
1300: }
1301: break;
1.44 djm 1302: case I_LS:
1.97 djm 1303: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1304: return(-1);
1305: /* Path is optional */
1.97 djm 1306: if (argc - optidx > 0)
1307: *path1 = xstrdup(argv[optidx]);
1.44 djm 1308: break;
1309: case I_LLS:
1.98 djm 1310: /* Skip ls command and following whitespace */
1311: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1312: case I_SHELL:
1313: /* Uses the rest of the line */
1314: break;
1315: case I_LUMASK:
1316: case I_CHMOD:
1317: base = 8;
1318: case I_CHOWN:
1319: case I_CHGRP:
1.153 djm 1320: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1321: return -1;
1.44 djm 1322: /* Get numeric arg (mandatory) */
1.97 djm 1323: if (argc - optidx < 1)
1324: goto need_num_arg;
1.93 ray 1325: errno = 0;
1.97 djm 1326: l = strtol(argv[optidx], &cp2, base);
1327: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1328: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1329: l < 0) {
1330: need_num_arg:
1.44 djm 1331: error("You must supply a numeric argument "
1332: "to the %s command.", cmd);
1.97 djm 1333: return -1;
1.44 djm 1334: }
1335: *n_arg = l;
1.97 djm 1336: if (cmdnum == I_LUMASK)
1.44 djm 1337: break;
1338: /* Get pathname (mandatory) */
1.97 djm 1339: if (argc - optidx < 2) {
1.44 djm 1340: error("You must specify a path after a %s command.",
1341: cmd);
1.97 djm 1342: return -1;
1.44 djm 1343: }
1.97 djm 1344: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1345: break;
1346: case I_QUIT:
1347: case I_PWD:
1348: case I_LPWD:
1349: case I_HELP:
1350: case I_VERSION:
1351: case I_PROGRESS:
1.153 djm 1352: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1353: return -1;
1.44 djm 1354: break;
1355: default:
1356: fatal("Command not implemented");
1357: }
1358:
1359: *cpp = cp;
1360: return(cmdnum);
1361: }
1362:
1363: static int
1364: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1365: int err_abort)
1366: {
1367: char *path1, *path2, *tmp;
1.159 logan 1368: int ignore_errors = 0, aflag = 0, fflag = 0, hflag = 0,
1369: iflag = 0;
1.156 djm 1370: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1371: int cmdnum, i;
1.107 dtucker 1372: unsigned long n_arg = 0;
1.44 djm 1373: Attrib a, *aa;
1374: char path_buf[MAXPATHLEN];
1375: int err = 0;
1376: glob_t g;
1377:
1378: path1 = path2 = NULL;
1.156 djm 1379: cmdnum = parse_args(&cmd, &ignore_errors, &aflag, &fflag, &hflag,
1380: &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg, &path1, &path2);
1381: if (ignore_errors != 0)
1.44 djm 1382: err_abort = 0;
1383:
1384: memset(&g, 0, sizeof(g));
1385:
1386: /* Perform command */
1387: switch (cmdnum) {
1388: case 0:
1389: /* Blank line */
1390: break;
1391: case -1:
1392: /* Unrecognized command */
1393: err = -1;
1394: break;
1.148 djm 1395: case I_REGET:
1396: aflag = 1;
1397: /* FALLTHROUGH */
1.44 djm 1398: case I_GET:
1.148 djm 1399: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1400: rflag, aflag, fflag);
1.44 djm 1401: break;
1.159 logan 1402: case I_REPUT:
1403: aflag = 1;
1404: /* FALLTHROUGH */
1.44 djm 1405: case I_PUT:
1.156 djm 1406: err = process_put(conn, path1, path2, *pwd, pflag,
1.159 logan 1407: rflag, aflag, fflag);
1.44 djm 1408: break;
1409: case I_RENAME:
1410: path1 = make_absolute(path1, *pwd);
1411: path2 = make_absolute(path2, *pwd);
1.152 djm 1412: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1413: break;
1414: case I_SYMLINK:
1.132 djm 1415: sflag = 1;
1416: case I_LINK:
1.151 djm 1417: if (!sflag)
1418: path1 = make_absolute(path1, *pwd);
1.44 djm 1419: path2 = make_absolute(path2, *pwd);
1.132 djm 1420: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1421: break;
1422: case I_RM:
1423: path1 = make_absolute(path1, *pwd);
1424: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1425: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1426: if (!quiet)
1427: printf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1428: err = do_rm(conn, g.gl_pathv[i]);
1429: if (err != 0 && err_abort)
1430: break;
1431: }
1432: break;
1433: case I_MKDIR:
1434: path1 = make_absolute(path1, *pwd);
1435: attrib_clear(&a);
1436: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1437: a.perm = 0777;
1.111 djm 1438: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1439: break;
1440: case I_RMDIR:
1441: path1 = make_absolute(path1, *pwd);
1442: err = do_rmdir(conn, path1);
1443: break;
1444: case I_CHDIR:
1445: path1 = make_absolute(path1, *pwd);
1446: if ((tmp = do_realpath(conn, path1)) == NULL) {
1447: err = 1;
1448: break;
1449: }
1450: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1451: free(tmp);
1.44 djm 1452: err = 1;
1453: break;
1454: }
1455: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1456: error("Can't change directory: Can't check target");
1.145 djm 1457: free(tmp);
1.44 djm 1458: err = 1;
1459: break;
1460: }
1461: if (!S_ISDIR(aa->perm)) {
1462: error("Can't change directory: \"%s\" is not "
1463: "a directory", tmp);
1.145 djm 1464: free(tmp);
1.44 djm 1465: err = 1;
1466: break;
1467: }
1.145 djm 1468: free(*pwd);
1.44 djm 1469: *pwd = tmp;
1470: break;
1471: case I_LS:
1472: if (!path1) {
1.125 djm 1473: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1474: break;
1475: }
1476:
1477: /* Strip pwd off beginning of non-absolute paths */
1478: tmp = NULL;
1479: if (*path1 != '/')
1480: tmp = *pwd;
1481:
1482: path1 = make_absolute(path1, *pwd);
1483: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1484: break;
1485: case I_DF:
1486: /* Default to current directory if no path specified */
1487: if (path1 == NULL)
1488: path1 = xstrdup(*pwd);
1489: path1 = make_absolute(path1, *pwd);
1490: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1491: break;
1492: case I_LCHDIR:
1493: if (chdir(path1) == -1) {
1494: error("Couldn't change local directory to "
1495: "\"%s\": %s", path1, strerror(errno));
1496: err = 1;
1497: }
1498: break;
1499: case I_LMKDIR:
1500: if (mkdir(path1, 0777) == -1) {
1501: error("Couldn't create local directory "
1502: "\"%s\": %s", path1, strerror(errno));
1503: err = 1;
1504: }
1505: break;
1506: case I_LLS:
1507: local_do_ls(cmd);
1508: break;
1509: case I_SHELL:
1510: local_do_shell(cmd);
1511: break;
1512: case I_LUMASK:
1513: umask(n_arg);
1514: printf("Local umask: %03lo\n", n_arg);
1515: break;
1516: case I_CHMOD:
1517: path1 = make_absolute(path1, *pwd);
1518: attrib_clear(&a);
1519: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1520: a.perm = n_arg;
1521: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1522: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1523: if (!quiet)
1524: printf("Changing mode on %s\n", g.gl_pathv[i]);
1.44 djm 1525: err = do_setstat(conn, g.gl_pathv[i], &a);
1526: if (err != 0 && err_abort)
1527: break;
1528: }
1529: break;
1530: case I_CHOWN:
1531: case I_CHGRP:
1532: path1 = make_absolute(path1, *pwd);
1533: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1534: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1535: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1536: if (err_abort) {
1537: err = -1;
1.44 djm 1538: break;
1.104 djm 1539: } else
1.44 djm 1540: continue;
1541: }
1542: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1543: error("Can't get current ownership of "
1544: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1545: if (err_abort) {
1546: err = -1;
1.44 djm 1547: break;
1.104 djm 1548: } else
1.44 djm 1549: continue;
1550: }
1551: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1552: if (cmdnum == I_CHOWN) {
1.143 djm 1553: if (!quiet)
1554: printf("Changing owner on %s\n",
1555: g.gl_pathv[i]);
1.44 djm 1556: aa->uid = n_arg;
1557: } else {
1.143 djm 1558: if (!quiet)
1559: printf("Changing group on %s\n",
1560: g.gl_pathv[i]);
1.44 djm 1561: aa->gid = n_arg;
1562: }
1563: err = do_setstat(conn, g.gl_pathv[i], aa);
1564: if (err != 0 && err_abort)
1565: break;
1566: }
1567: break;
1568: case I_PWD:
1569: printf("Remote working directory: %s\n", *pwd);
1570: break;
1571: case I_LPWD:
1572: if (!getcwd(path_buf, sizeof(path_buf))) {
1573: error("Couldn't get local cwd: %s", strerror(errno));
1574: err = -1;
1575: break;
1576: }
1577: printf("Local working directory: %s\n", path_buf);
1578: break;
1579: case I_QUIT:
1580: /* Processed below */
1581: break;
1582: case I_HELP:
1583: help();
1584: break;
1585: case I_VERSION:
1586: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1587: break;
1588: case I_PROGRESS:
1589: showprogress = !showprogress;
1590: if (showprogress)
1591: printf("Progress meter enabled\n");
1592: else
1593: printf("Progress meter disabled\n");
1594: break;
1595: default:
1596: fatal("%d is not implemented", cmdnum);
1597: }
1598:
1599: if (g.gl_pathc)
1600: globfree(&g);
1.145 djm 1601: free(path1);
1602: free(path2);
1.44 djm 1603:
1604: /* If an unignored error occurs in batch mode we should abort. */
1605: if (err_abort && err != 0)
1606: return (-1);
1607: else if (cmdnum == I_QUIT)
1608: return (1);
1609:
1610: return (0);
1611: }
1612:
1.57 djm 1613: static char *
1614: prompt(EditLine *el)
1615: {
1616: return ("sftp> ");
1617: }
1618:
1.116 djm 1619: /* Display entries in 'list' after skipping the first 'len' chars */
1620: static void
1621: complete_display(char **list, u_int len)
1622: {
1623: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1624: struct winsize ws;
1625: char *tmp;
1626:
1627: /* Count entries for sort and find longest */
1.149 djm 1628: for (y = 0; list[y]; y++)
1.116 djm 1629: m = MAX(m, strlen(list[y]));
1630:
1631: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1632: width = ws.ws_col;
1633:
1634: m = m > len ? m - len : 0;
1635: columns = width / (m + 2);
1636: columns = MAX(columns, 1);
1637: colspace = width / columns;
1638: colspace = MIN(colspace, width);
1639:
1640: printf("\n");
1641: m = 1;
1642: for (y = 0; list[y]; y++) {
1643: llen = strlen(list[y]);
1644: tmp = llen > len ? list[y] + len : "";
1645: printf("%-*s", colspace, tmp);
1646: if (m >= columns) {
1647: printf("\n");
1648: m = 1;
1649: } else
1650: m++;
1651: }
1652: printf("\n");
1653: }
1654:
1655: /*
1656: * Given a "list" of words that begin with a common prefix of "word",
1657: * attempt to find an autocompletion to extends "word" by the next
1658: * characters common to all entries in "list".
1659: */
1660: static char *
1661: complete_ambiguous(const char *word, char **list, size_t count)
1662: {
1663: if (word == NULL)
1664: return NULL;
1665:
1666: if (count > 0) {
1667: u_int y, matchlen = strlen(list[0]);
1668:
1669: /* Find length of common stem */
1670: for (y = 1; list[y]; y++) {
1671: u_int x;
1672:
1.149 djm 1673: for (x = 0; x < matchlen; x++)
1674: if (list[0][x] != list[y][x])
1.116 djm 1675: break;
1676:
1677: matchlen = x;
1678: }
1679:
1680: if (matchlen > strlen(word)) {
1681: char *tmp = xstrdup(list[0]);
1682:
1.117 dtucker 1683: tmp[matchlen] = '\0';
1.116 djm 1684: return tmp;
1685: }
1.149 djm 1686: }
1.116 djm 1687:
1688: return xstrdup(word);
1689: }
1690:
1691: /* Autocomplete a sftp command */
1692: static int
1693: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1694: int terminated)
1695: {
1696: u_int y, count = 0, cmdlen, tmplen;
1697: char *tmp, **list, argterm[3];
1698: const LineInfo *lf;
1699:
1700: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1701:
1702: /* No command specified: display all available commands */
1703: if (cmd == NULL) {
1704: for (y = 0; cmds[y].c; y++)
1705: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1706:
1.116 djm 1707: list[count] = NULL;
1708: complete_display(list, 0);
1709:
1.149 djm 1710: for (y = 0; list[y] != NULL; y++)
1711: free(list[y]);
1.145 djm 1712: free(list);
1.116 djm 1713: return count;
1714: }
1715:
1716: /* Prepare subset of commands that start with "cmd" */
1717: cmdlen = strlen(cmd);
1718: for (y = 0; cmds[y].c; y++) {
1.149 djm 1719: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1720: list[count++] = xstrdup(cmds[y].c);
1721: }
1722: list[count] = NULL;
1723:
1.134 oga 1724: if (count == 0) {
1.145 djm 1725: free(list);
1.116 djm 1726: return 0;
1.134 oga 1727: }
1.116 djm 1728:
1729: /* Complete ambigious command */
1730: tmp = complete_ambiguous(cmd, list, count);
1731: if (count > 1)
1732: complete_display(list, 0);
1733:
1.149 djm 1734: for (y = 0; list[y]; y++)
1735: free(list[y]);
1.145 djm 1736: free(list);
1.116 djm 1737:
1738: if (tmp != NULL) {
1739: tmplen = strlen(tmp);
1740: cmdlen = strlen(cmd);
1741: /* If cmd may be extended then do so */
1742: if (tmplen > cmdlen)
1743: if (el_insertstr(el, tmp + cmdlen) == -1)
1744: fatal("el_insertstr failed.");
1745: lf = el_line(el);
1746: /* Terminate argument cleanly */
1747: if (count == 1) {
1748: y = 0;
1749: if (!terminated)
1750: argterm[y++] = quote;
1751: if (lastarg || *(lf->cursor) != ' ')
1752: argterm[y++] = ' ';
1753: argterm[y] = '\0';
1754: if (y > 0 && el_insertstr(el, argterm) == -1)
1755: fatal("el_insertstr failed.");
1756: }
1.145 djm 1757: free(tmp);
1.116 djm 1758: }
1759:
1760: return count;
1761: }
1762:
1763: /*
1764: * Determine whether a particular sftp command's arguments (if any)
1765: * represent local or remote files.
1766: */
1767: static int
1768: complete_is_remote(char *cmd) {
1769: int i;
1770:
1771: if (cmd == NULL)
1772: return -1;
1773:
1774: for (i = 0; cmds[i].c; i++) {
1.149 djm 1775: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1.116 djm 1776: return cmds[i].t;
1777: }
1778:
1779: return -1;
1780: }
1781:
1782: /* Autocomplete a filename "file" */
1783: static int
1784: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1785: char *file, int remote, int lastarg, char quote, int terminated)
1786: {
1787: glob_t g;
1.146 dtucker 1788: char *tmp, *tmp2, ins[8];
1.140 dtucker 1789: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1790: int clen;
1.116 djm 1791: const LineInfo *lf;
1.149 djm 1792:
1.116 djm 1793: /* Glob from "file" location */
1794: if (file == NULL)
1795: tmp = xstrdup("*");
1796: else
1797: xasprintf(&tmp, "%s*", file);
1798:
1.139 dtucker 1799: /* Check if the path is absolute. */
1800: isabs = tmp[0] == '/';
1801:
1.116 djm 1802: memset(&g, 0, sizeof(g));
1803: if (remote != LOCAL) {
1804: tmp = make_absolute(tmp, remote_path);
1805: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1806: } else
1.116 djm 1807: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1808:
1.116 djm 1809: /* Determine length of pwd so we can trim completion display */
1810: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1811: /* Terminate counting on first unescaped glob metacharacter */
1812: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1813: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1814: hadglob = 1;
1815: break;
1816: }
1817: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1818: tmplen++;
1819: if (tmp[tmplen] == '/')
1820: pwdlen = tmplen + 1; /* track last seen '/' */
1821: }
1.145 djm 1822: free(tmp);
1.161 ! dtucker 1823: tmp = NULL;
1.116 djm 1824:
1.149 djm 1825: if (g.gl_matchc == 0)
1.116 djm 1826: goto out;
1827:
1828: if (g.gl_matchc > 1)
1829: complete_display(g.gl_pathv, pwdlen);
1830:
1831: /* Don't try to extend globs */
1832: if (file == NULL || hadglob)
1833: goto out;
1834:
1835: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1836: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1837: free(tmp2);
1.116 djm 1838:
1839: if (tmp == NULL)
1840: goto out;
1841:
1842: tmplen = strlen(tmp);
1843: filelen = strlen(file);
1844:
1.140 dtucker 1845: /* Count the number of escaped characters in the input string. */
1846: cesc = isesc = 0;
1847: for (i = 0; i < filelen; i++) {
1848: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1849: isesc = 1;
1850: cesc++;
1851: } else
1852: isesc = 0;
1853: }
1854:
1855: if (tmplen > (filelen - cesc)) {
1856: tmp2 = tmp + filelen - cesc;
1.149 djm 1857: len = strlen(tmp2);
1.116 djm 1858: /* quote argument on way out */
1.146 dtucker 1859: for (i = 0; i < len; i += clen) {
1860: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
1861: (size_t)clen > sizeof(ins) - 2)
1862: fatal("invalid multibyte character");
1.116 djm 1863: ins[0] = '\\';
1.146 dtucker 1864: memcpy(ins + 1, tmp2 + i, clen);
1865: ins[clen + 1] = '\0';
1.116 djm 1866: switch (tmp2[i]) {
1867: case '\'':
1868: case '"':
1869: case '\\':
1870: case '\t':
1.131 sthen 1871: case '[':
1.116 djm 1872: case ' ':
1.140 dtucker 1873: case '#':
1874: case '*':
1.116 djm 1875: if (quote == '\0' || tmp2[i] == quote) {
1876: if (el_insertstr(el, ins) == -1)
1877: fatal("el_insertstr "
1878: "failed.");
1879: break;
1880: }
1881: /* FALLTHROUGH */
1882: default:
1883: if (el_insertstr(el, ins + 1) == -1)
1884: fatal("el_insertstr failed.");
1885: break;
1886: }
1887: }
1888: }
1889:
1890: lf = el_line(el);
1891: if (g.gl_matchc == 1) {
1892: i = 0;
1893: if (!terminated)
1894: ins[i++] = quote;
1.120 djm 1895: if (*(lf->cursor - 1) != '/' &&
1896: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1897: ins[i++] = ' ';
1898: ins[i] = '\0';
1899: if (i > 0 && el_insertstr(el, ins) == -1)
1900: fatal("el_insertstr failed.");
1901: }
1.145 djm 1902: free(tmp);
1.116 djm 1903:
1904: out:
1905: globfree(&g);
1906: return g.gl_matchc;
1907: }
1908:
1909: /* tab-completion hook function, called via libedit */
1910: static unsigned char
1911: complete(EditLine *el, int ch)
1912: {
1.149 djm 1913: char **argv, *line, quote;
1.147 djm 1914: int argc, carg;
1915: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 1916: const LineInfo *lf;
1917: struct complete_ctx *complete_ctx;
1918:
1919: lf = el_line(el);
1920: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1921: fatal("%s: el_get failed", __func__);
1922:
1923: /* Figure out which argument the cursor points to */
1924: cursor = lf->cursor - lf->buffer;
1925: line = (char *)xmalloc(cursor + 1);
1926: memcpy(line, lf->buffer, cursor);
1927: line[cursor] = '\0';
1928: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 1929: free(line);
1.116 djm 1930:
1931: /* Get all the arguments on the line */
1932: len = lf->lastchar - lf->buffer;
1933: line = (char *)xmalloc(len + 1);
1934: memcpy(line, lf->buffer, len);
1935: line[len] = '\0';
1936: argv = makeargv(line, &argc, 1, NULL, NULL);
1937:
1938: /* Ensure cursor is at EOL or a argument boundary */
1939: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1940: line[cursor] != '\n') {
1.145 djm 1941: free(line);
1.116 djm 1942: return ret;
1943: }
1944:
1945: if (carg == 0) {
1946: /* Show all available commands */
1947: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1948: ret = CC_REDISPLAY;
1949: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1950: /* Handle the command parsing */
1951: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 1952: quote, terminated) != 0)
1.116 djm 1953: ret = CC_REDISPLAY;
1954: } else if (carg >= 1) {
1955: /* Handle file parsing */
1956: int remote = complete_is_remote(argv[0]);
1957: char *filematch = NULL;
1958:
1959: if (carg > 1 && line[cursor-1] != ' ')
1960: filematch = argv[carg - 1];
1961:
1962: if (remote != 0 &&
1963: complete_match(el, complete_ctx->conn,
1964: *complete_ctx->remote_pathp, filematch,
1.149 djm 1965: remote, carg == argc, quote, terminated) != 0)
1.116 djm 1966: ret = CC_REDISPLAY;
1967: }
1968:
1.149 djm 1969: free(line);
1.116 djm 1970: return ret;
1971: }
1972:
1.44 djm 1973: int
1.112 djm 1974: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1975: {
1.116 djm 1976: char *remote_path;
1.44 djm 1977: char *dir = NULL;
1978: char cmd[2048];
1.66 jaredy 1979: int err, interactive;
1.57 djm 1980: EditLine *el = NULL;
1981: History *hl = NULL;
1982: HistEvent hev;
1983: extern char *__progname;
1.116 djm 1984: struct complete_ctx complete_ctx;
1.57 djm 1985:
1986: if (!batchmode && isatty(STDIN_FILENO)) {
1987: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1988: fatal("Couldn't initialise editline");
1989: if ((hl = history_init()) == NULL)
1990: fatal("Couldn't initialise editline history");
1991: history(hl, &hev, H_SETSIZE, 100);
1992: el_set(el, EL_HIST, history, hl);
1993:
1994: el_set(el, EL_PROMPT, prompt);
1995: el_set(el, EL_EDITOR, "emacs");
1996: el_set(el, EL_TERMINAL, NULL);
1997: el_set(el, EL_SIGNAL, 1);
1998: el_source(el, NULL);
1.116 djm 1999:
2000: /* Tab Completion */
1.149 djm 2001: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 2002: "Context sensitive argument completion", complete);
1.116 djm 2003: complete_ctx.conn = conn;
2004: complete_ctx.remote_pathp = &remote_path;
2005: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
2006: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 2007: /* enable ctrl-left-arrow and ctrl-right-arrow */
2008: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
2009: el_set(el, EL_BIND, "\\e[5C", "em-next-word", NULL);
2010: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2011: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2012: /* make ^w match ksh behaviour */
2013: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2014: }
1.44 djm 2015:
1.116 djm 2016: remote_path = do_realpath(conn, ".");
2017: if (remote_path == NULL)
1.44 djm 2018: fatal("Need cwd");
2019:
2020: if (file1 != NULL) {
2021: dir = xstrdup(file1);
1.116 djm 2022: dir = make_absolute(dir, remote_path);
1.44 djm 2023:
2024: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2025: if (!quiet)
2026: printf("Changing to: %s\n", dir);
1.44 djm 2027: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2028: if (parse_dispatch_command(conn, cmd,
2029: &remote_path, 1) != 0) {
1.145 djm 2030: free(dir);
2031: free(remote_path);
2032: free(conn);
1.44 djm 2033: return (-1);
1.58 markus 2034: }
1.44 djm 2035: } else {
1.137 djm 2036: /* XXX this is wrong wrt quoting */
1.148 djm 2037: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2038: global_aflag ? " -a" : "", dir,
2039: file2 == NULL ? "" : " ",
2040: file2 == NULL ? "" : file2);
1.116 djm 2041: err = parse_dispatch_command(conn, cmd,
2042: &remote_path, 1);
1.145 djm 2043: free(dir);
2044: free(remote_path);
2045: free(conn);
1.44 djm 2046: return (err);
2047: }
1.145 djm 2048: free(dir);
1.44 djm 2049: }
2050:
1.135 djm 2051: setlinebuf(stdout);
2052: setlinebuf(infile);
1.44 djm 2053:
1.66 jaredy 2054: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2055: err = 0;
2056: for (;;) {
2057: char *cp;
1.57 djm 2058: const char *line;
2059: int count = 0;
1.44 djm 2060:
1.46 djm 2061: signal(SIGINT, SIG_IGN);
2062:
1.57 djm 2063: if (el == NULL) {
1.66 jaredy 2064: if (interactive)
2065: printf("sftp> ");
1.57 djm 2066: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2067: if (interactive)
2068: printf("\n");
1.57 djm 2069: break;
2070: }
1.66 jaredy 2071: if (!interactive) { /* Echo command */
2072: printf("sftp> %s", cmd);
2073: if (strlen(cmd) > 0 &&
2074: cmd[strlen(cmd) - 1] != '\n')
2075: printf("\n");
2076: }
1.57 djm 2077: } else {
1.116 djm 2078: if ((line = el_gets(el, &count)) == NULL ||
2079: count <= 0) {
1.66 jaredy 2080: printf("\n");
1.57 djm 2081: break;
1.66 jaredy 2082: }
1.57 djm 2083: history(hl, &hev, H_ENTER, line);
2084: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2085: fprintf(stderr, "Error: input line too long\n");
2086: continue;
2087: }
1.44 djm 2088: }
2089:
2090: cp = strrchr(cmd, '\n');
2091: if (cp)
2092: *cp = '\0';
2093:
1.46 djm 2094: /* Handle user interrupts gracefully during commands */
2095: interrupted = 0;
2096: signal(SIGINT, cmd_interrupt);
2097:
1.116 djm 2098: err = parse_dispatch_command(conn, cmd, &remote_path,
2099: batchmode);
1.44 djm 2100: if (err != 0)
2101: break;
2102: }
1.145 djm 2103: free(remote_path);
2104: free(conn);
1.66 jaredy 2105:
2106: if (el != NULL)
2107: el_end(el);
1.44 djm 2108:
2109: /* err == 1 signifies normal "quit" exit */
2110: return (err >= 0 ? 0 : -1);
2111: }
1.34 fgsch 2112:
1.18 itojun 2113: static void
1.36 djm 2114: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2115: {
2116: int c_in, c_out;
1.30 deraadt 2117:
1.1 djm 2118: int inout[2];
1.30 deraadt 2119:
1.1 djm 2120: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2121: fatal("socketpair: %s", strerror(errno));
2122: *in = *out = inout[0];
2123: c_in = c_out = inout[1];
2124:
1.36 djm 2125: if ((sshpid = fork()) == -1)
1.1 djm 2126: fatal("fork: %s", strerror(errno));
1.36 djm 2127: else if (sshpid == 0) {
1.1 djm 2128: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2129: (dup2(c_out, STDOUT_FILENO) == -1)) {
2130: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2131: _exit(1);
1.1 djm 2132: }
2133: close(*in);
2134: close(*out);
2135: close(c_in);
2136: close(c_out);
1.46 djm 2137:
2138: /*
2139: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2140: * ignore SIGINT if we want to gracefully abort commands,
2141: * otherwise the signal will make it to the ssh process and
1.122 guenther 2142: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2143: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2144: */
2145: signal(SIGINT, SIG_IGN);
1.122 guenther 2146: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2147: execvp(path, args);
1.23 djm 2148: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2149: _exit(1);
1.1 djm 2150: }
2151:
1.36 djm 2152: signal(SIGTERM, killchild);
2153: signal(SIGINT, killchild);
2154: signal(SIGHUP, killchild);
1.1 djm 2155: close(c_in);
2156: close(c_out);
2157: }
2158:
1.18 itojun 2159: static void
1.1 djm 2160: usage(void)
2161: {
1.25 mpech 2162: extern char *__progname;
1.27 markus 2163:
1.19 stevesk 2164: fprintf(stderr,
1.157 jmc 2165: "usage: %s [-1246aCfpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2166: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2167: "[-i identity_file] [-l limit]\n"
1.110 jmc 2168: " [-o ssh_option] [-P port] [-R num_requests] "
2169: "[-S program]\n"
1.108 djm 2170: " [-s subsystem | sftp_server] host\n"
1.105 djm 2171: " %s [user@]host[:file ...]\n"
2172: " %s [user@]host[:dir[/]]\n"
1.108 djm 2173: " %s -b batchfile [user@]host\n",
2174: __progname, __progname, __progname, __progname);
1.1 djm 2175: exit(1);
2176: }
2177:
1.2 stevesk 2178: int
1.1 djm 2179: main(int argc, char **argv)
2180: {
1.33 djm 2181: int in, out, ch, err;
1.117 dtucker 2182: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2183: int debug_level = 0, sshver = 2;
2184: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2185: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2186: const char *errstr;
1.17 mouring 2187: LogLevel ll = SYSLOG_LEVEL_INFO;
2188: arglist args;
1.3 djm 2189: extern int optind;
2190: extern char *optarg;
1.112 djm 2191: struct sftp_conn *conn;
2192: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2193: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2194: long long limit_kbps = 0;
1.67 djm 2195:
2196: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2197: sanitise_stdfd();
1.146 dtucker 2198: setlocale(LC_CTYPE, "");
1.1 djm 2199:
1.70 djm 2200: memset(&args, '\0', sizeof(args));
1.17 mouring 2201: args.list = NULL;
1.80 djm 2202: addargs(&args, "%s", ssh_program);
1.17 mouring 2203: addargs(&args, "-oForwardX11 no");
2204: addargs(&args, "-oForwardAgent no");
1.69 reyk 2205: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2206: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2207:
1.17 mouring 2208: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2209: infile = stdin;
1.3 djm 2210:
1.109 djm 2211: while ((ch = getopt(argc, argv,
1.156 djm 2212: "1246afhpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2213: switch (ch) {
1.108 djm 2214: /* Passed through to ssh(1) */
2215: case '4':
2216: case '6':
1.3 djm 2217: case 'C':
1.108 djm 2218: addargs(&args, "-%c", ch);
2219: break;
2220: /* Passed through to ssh(1) with argument */
2221: case 'F':
2222: case 'c':
2223: case 'i':
2224: case 'o':
1.113 halex 2225: addargs(&args, "-%c", ch);
2226: addargs(&args, "%s", optarg);
1.108 djm 2227: break;
2228: case 'q':
1.143 djm 2229: ll = SYSLOG_LEVEL_ERROR;
2230: quiet = 1;
1.108 djm 2231: showprogress = 0;
2232: addargs(&args, "-%c", ch);
1.3 djm 2233: break;
1.109 djm 2234: case 'P':
2235: addargs(&args, "-oPort %s", optarg);
2236: break;
1.3 djm 2237: case 'v':
1.17 mouring 2238: if (debug_level < 3) {
2239: addargs(&args, "-v");
2240: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2241: }
2242: debug_level++;
1.3 djm 2243: break;
1.7 markus 2244: case '1':
1.17 mouring 2245: sshver = 1;
1.7 markus 2246: if (sftp_server == NULL)
2247: sftp_server = _PATH_SFTP_SERVER;
2248: break;
1.108 djm 2249: case '2':
2250: sshver = 2;
1.148 djm 2251: break;
2252: case 'a':
2253: global_aflag = 1;
1.7 markus 2254: break;
1.108 djm 2255: case 'B':
2256: copy_buffer_len = strtol(optarg, &cp, 10);
2257: if (copy_buffer_len == 0 || *cp != '\0')
2258: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2259: break;
1.10 deraadt 2260: case 'b':
1.39 djm 2261: if (batchmode)
2262: fatal("Batch file already specified.");
2263:
2264: /* Allow "-" as stdin */
1.56 deraadt 2265: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2266: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2267: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2268: showprogress = 0;
1.143 djm 2269: quiet = batchmode = 1;
1.62 djm 2270: addargs(&args, "-obatchmode yes");
1.156 djm 2271: break;
2272: case 'f':
2273: global_fflag = 1;
1.10 deraadt 2274: break;
1.111 djm 2275: case 'p':
2276: global_pflag = 1;
2277: break;
1.109 djm 2278: case 'D':
1.23 djm 2279: sftp_direct = optarg;
1.111 djm 2280: break;
1.126 djm 2281: case 'l':
2282: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2283: &errstr);
2284: if (errstr != NULL)
2285: usage();
2286: limit_kbps *= 1024; /* kbps */
2287: break;
1.111 djm 2288: case 'r':
2289: global_rflag = 1;
1.24 djm 2290: break;
1.26 djm 2291: case 'R':
2292: num_requests = strtol(optarg, &cp, 10);
2293: if (num_requests == 0 || *cp != '\0')
1.27 markus 2294: fatal("Invalid number of requests \"%s\"",
1.26 djm 2295: optarg);
1.108 djm 2296: break;
2297: case 's':
2298: sftp_server = optarg;
2299: break;
2300: case 'S':
2301: ssh_program = optarg;
2302: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2303: break;
1.3 djm 2304: case 'h':
2305: default:
1.1 djm 2306: usage();
2307: }
2308: }
1.45 djm 2309:
2310: if (!isatty(STDERR_FILENO))
2311: showprogress = 0;
1.1 djm 2312:
1.29 markus 2313: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2314:
1.23 djm 2315: if (sftp_direct == NULL) {
2316: if (optind == argc || argc > (optind + 2))
2317: usage();
2318:
2319: userhost = xstrdup(argv[optind]);
2320: file2 = argv[optind+1];
1.1 djm 2321:
1.32 markus 2322: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2323: host = userhost;
2324: else {
2325: *host++ = '\0';
2326: if (!userhost[0]) {
2327: fprintf(stderr, "Missing username\n");
2328: usage();
2329: }
1.115 guenther 2330: addargs(&args, "-l");
2331: addargs(&args, "%s", userhost);
1.41 djm 2332: }
2333:
2334: if ((cp = colon(host)) != NULL) {
2335: *cp++ = '\0';
2336: file1 = cp;
1.23 djm 2337: }
1.3 djm 2338:
1.23 djm 2339: host = cleanhostname(host);
2340: if (!*host) {
2341: fprintf(stderr, "Missing hostname\n");
1.1 djm 2342: usage();
2343: }
2344:
1.23 djm 2345: addargs(&args, "-oProtocol %d", sshver);
2346:
2347: /* no subsystem if the server-spec contains a '/' */
2348: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2349: addargs(&args, "-s");
2350:
1.115 guenther 2351: addargs(&args, "--");
1.23 djm 2352: addargs(&args, "%s", host);
1.27 markus 2353: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2354: sftp_server : "sftp"));
2355:
1.36 djm 2356: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2357: } else {
2358: args.list = NULL;
2359: addargs(&args, "sftp-server");
2360:
1.36 djm 2361: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2362: }
1.70 djm 2363: freeargs(&args);
1.1 djm 2364:
1.126 djm 2365: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2366: if (conn == NULL)
2367: fatal("Couldn't initialise connection to server");
2368:
1.143 djm 2369: if (!quiet) {
1.112 djm 2370: if (sftp_direct == NULL)
2371: fprintf(stderr, "Connected to %s.\n", host);
2372: else
2373: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2374: }
2375:
2376: err = interactive_loop(conn, file1, file2);
1.1 djm 2377:
2378: close(in);
2379: close(out);
1.39 djm 2380: if (batchmode)
1.10 deraadt 2381: fclose(infile);
1.1 djm 2382:
1.28 markus 2383: while (waitpid(sshpid, NULL, 0) == -1)
2384: if (errno != EINTR)
2385: fatal("Couldn't wait for ssh process: %s",
2386: strerror(errno));
1.1 djm 2387:
1.33 djm 2388: exit(err == 0 ? 0 : 1);
1.1 djm 2389: }
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