Annotation of src/usr.bin/ssh/sftp.c, Revision 1.166
1.166 ! deraadt 1: /* $OpenBSD: sftp.c,v 1.165 2014/08/19 23:57:18 djm Exp $ */
1.1 djm 2: /*
1.42 djm 3: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 4: *
1.42 djm 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 djm 8: *
1.42 djm 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 16: */
17:
1.91 deraadt 18: #include <sys/types.h>
1.72 stevesk 19: #include <sys/ioctl.h>
1.73 stevesk 20: #include <sys/wait.h>
1.75 stevesk 21: #include <sys/stat.h>
1.83 stevesk 22: #include <sys/socket.h>
1.88 stevesk 23: #include <sys/param.h>
1.100 djm 24: #include <sys/statvfs.h>
1.44 djm 25:
1.97 djm 26: #include <ctype.h>
1.85 stevesk 27: #include <errno.h>
1.44 djm 28: #include <glob.h>
1.57 djm 29: #include <histedit.h>
1.71 stevesk 30: #include <paths.h>
1.111 djm 31: #include <libgen.h>
1.146 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;
1.164 djm 571: int i, r, 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);
1.164 djm 578: if ((r = remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) != 0) {
579: if (r == GLOB_NOSPACE) {
580: error("Too many matches for \"%s\".", abs_src);
581: } else {
582: error("File \"%s\" not found.", abs_src);
583: }
1.44 djm 584: err = -1;
585: goto out;
586: }
587:
1.111 djm 588: /*
589: * If multiple matches then dst must be a directory or
590: * unspecified.
591: */
592: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
593: error("Multiple source paths, but destination "
594: "\"%s\" is not a directory", dst);
1.44 djm 595: err = -1;
596: goto out;
597: }
598:
1.46 djm 599: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 600: tmp = xstrdup(g.gl_pathv[i]);
601: if ((filename = basename(tmp)) == NULL) {
602: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 603: free(tmp);
1.44 djm 604: err = -1;
605: goto out;
606: }
607:
608: if (g.gl_matchc == 1 && dst) {
609: if (is_dir(dst)) {
1.111 djm 610: abs_dst = path_append(dst, filename);
611: } else {
1.44 djm 612: abs_dst = xstrdup(dst);
1.111 djm 613: }
1.44 djm 614: } else if (dst) {
1.111 djm 615: abs_dst = path_append(dst, filename);
616: } else {
617: abs_dst = xstrdup(filename);
618: }
1.145 djm 619: free(tmp);
1.44 djm 620:
1.148 djm 621: resume |= global_aflag;
622: if (!quiet && resume)
623: printf("Resuming %s to %s\n", g.gl_pathv[i], abs_dst);
624: else if (!quiet && !resume)
1.143 djm 625: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 626: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 627: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 628: pflag || global_pflag, 1, resume,
629: fflag || global_fflag) == -1)
1.111 djm 630: err = -1;
631: } else {
632: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 633: pflag || global_pflag, resume,
634: fflag || global_fflag) == -1)
1.111 djm 635: err = -1;
636: }
1.145 djm 637: free(abs_dst);
1.44 djm 638: abs_dst = NULL;
639: }
640:
641: out:
1.145 djm 642: free(abs_src);
1.44 djm 643: globfree(&g);
644: return(err);
645: }
646:
647: static int
1.111 djm 648: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
1.159 logan 649: int pflag, int rflag, int resume, int fflag)
1.44 djm 650: {
651: char *tmp_dst = NULL;
652: char *abs_dst = NULL;
1.111 djm 653: char *tmp = NULL, *filename = NULL;
1.44 djm 654: glob_t g;
655: int err = 0;
1.111 djm 656: int i, dst_is_dir = 1;
1.99 djm 657: struct stat sb;
1.44 djm 658:
659: if (dst) {
660: tmp_dst = xstrdup(dst);
661: tmp_dst = make_absolute(tmp_dst, pwd);
662: }
663:
664: memset(&g, 0, sizeof(g));
665: debug3("Looking up %s", src);
1.111 djm 666: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 667: error("File \"%s\" not found.", src);
668: err = -1;
669: goto out;
670: }
671:
1.111 djm 672: /* If we aren't fetching to pwd then stash this status for later */
673: if (tmp_dst != NULL)
674: dst_is_dir = remote_is_dir(conn, tmp_dst);
675:
1.44 djm 676: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 677: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
678: error("Multiple paths match, but destination "
679: "\"%s\" is not a directory", tmp_dst);
1.44 djm 680: err = -1;
681: goto out;
682: }
683:
1.46 djm 684: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 685: if (stat(g.gl_pathv[i], &sb) == -1) {
686: err = -1;
687: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
688: continue;
689: }
1.149 djm 690:
1.111 djm 691: tmp = xstrdup(g.gl_pathv[i]);
692: if ((filename = basename(tmp)) == NULL) {
693: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 694: free(tmp);
1.44 djm 695: err = -1;
696: goto out;
697: }
698:
699: if (g.gl_matchc == 1 && tmp_dst) {
700: /* If directory specified, append filename */
1.111 djm 701: if (dst_is_dir)
702: abs_dst = path_append(tmp_dst, filename);
703: else
1.44 djm 704: abs_dst = xstrdup(tmp_dst);
705: } else if (tmp_dst) {
1.111 djm 706: abs_dst = path_append(tmp_dst, filename);
707: } else {
708: abs_dst = make_absolute(xstrdup(filename), pwd);
709: }
1.145 djm 710: free(tmp);
1.44 djm 711:
1.159 logan 712: resume |= global_aflag;
713: if (!quiet && resume)
1.163 logan 714: printf("Resuming upload of %s to %s\n", g.gl_pathv[i],
1.159 logan 715: abs_dst);
716: else if (!quiet && !resume)
1.143 djm 717: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 718: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
719: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.159 logan 720: pflag || global_pflag, 1, resume,
1.156 djm 721: fflag || global_fflag) == -1)
1.111 djm 722: err = -1;
723: } else {
724: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.159 logan 725: pflag || global_pflag, resume,
1.156 djm 726: fflag || global_fflag) == -1)
1.111 djm 727: err = -1;
728: }
1.44 djm 729: }
730:
731: out:
1.145 djm 732: free(abs_dst);
733: free(tmp_dst);
1.44 djm 734: globfree(&g);
735: return(err);
736: }
737:
738: static int
739: sdirent_comp(const void *aa, const void *bb)
740: {
741: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
742: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 743: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 744:
1.52 djm 745: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 746: if (sort_flag & LS_NAME_SORT)
1.52 djm 747: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 748: else if (sort_flag & LS_TIME_SORT)
1.52 djm 749: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 750: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 751: return (rmul * NCMP(a->a.size, b->a.size));
752:
753: fatal("Unknown ls sort type");
1.44 djm 754: }
755:
756: /* sftp ls.1 replacement for directories */
757: static int
758: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
759: {
1.64 djm 760: int n;
761: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 762: SFTP_DIRENT **d;
763:
764: if ((n = do_readdir(conn, path, &d)) != 0)
765: return (n);
766:
1.53 djm 767: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 768: u_int m = 0, width = 80;
1.44 djm 769: struct winsize ws;
770: char *tmp;
771:
772: /* Count entries for sort and find longest filename */
1.54 djm 773: for (n = 0; d[n] != NULL; n++) {
774: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
775: m = MAX(m, strlen(d[n]->filename));
776: }
1.44 djm 777:
778: /* Add any subpath that also needs to be counted */
779: tmp = path_strip(path, strip_path);
780: m += strlen(tmp);
1.145 djm 781: free(tmp);
1.44 djm 782:
783: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
784: width = ws.ws_col;
785:
786: columns = width / (m + 2);
787: columns = MAX(columns, 1);
788: colspace = width / columns;
789: colspace = MIN(colspace, width);
790: }
791:
1.52 djm 792: if (lflag & SORT_FLAGS) {
1.68 dtucker 793: for (n = 0; d[n] != NULL; n++)
794: ; /* count entries */
1.53 djm 795: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 796: qsort(d, n, sizeof(*d), sdirent_comp);
797: }
1.44 djm 798:
1.46 djm 799: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 800: char *tmp, *fname;
1.54 djm 801:
802: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
803: continue;
1.44 djm 804:
805: tmp = path_append(path, d[n]->filename);
806: fname = path_strip(tmp, strip_path);
1.145 djm 807: free(tmp);
1.44 djm 808:
1.53 djm 809: if (lflag & LS_LONG_VIEW) {
1.119 djm 810: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 811: char *lname;
812: struct stat sb;
813:
814: memset(&sb, 0, sizeof(sb));
815: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 816: lname = ls_file(fname, &sb, 1,
817: (lflag & LS_SI_UNITS));
1.50 djm 818: printf("%s\n", lname);
1.145 djm 819: free(lname);
1.50 djm 820: } else
821: printf("%s\n", d[n]->longname);
1.44 djm 822: } else {
823: printf("%-*s", colspace, fname);
824: if (c >= columns) {
825: printf("\n");
826: c = 1;
827: } else
828: c++;
829: }
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:
837: free_sftp_dirents(d);
838: return (0);
839: }
840:
841: /* sftp ls.1 replacement which handles path globs */
842: static int
843: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
844: int lflag)
845: {
1.129 djm 846: char *fname, *lname;
1.44 djm 847: glob_t g;
1.164 djm 848: int err, r;
1.129 djm 849: struct winsize ws;
850: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 851:
852: memset(&g, 0, sizeof(g));
853:
1.164 djm 854: if ((r = remote_glob(conn, path,
1.133 djm 855: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
1.164 djm 856: NULL, &g)) != 0 ||
1.128 djm 857: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 858: if (g.gl_pathc)
859: globfree(&g);
1.164 djm 860: if (r == GLOB_NOSPACE) {
861: error("Can't ls: Too many matches for \"%s\"", path);
862: } else {
863: error("Can't ls: \"%s\" not found", path);
864: }
1.128 djm 865: return -1;
1.44 djm 866: }
867:
1.46 djm 868: if (interrupted)
869: goto out;
870:
1.44 djm 871: /*
1.60 fgsch 872: * If the glob returns a single match and it is a directory,
873: * then just list its contents.
1.44 djm 874: */
1.128 djm 875: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
876: S_ISDIR(g.gl_statv[0]->st_mode)) {
877: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
878: globfree(&g);
879: return err;
1.44 djm 880: }
881:
1.129 djm 882: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
883: width = ws.ws_col;
884:
1.53 djm 885: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 886: /* Count entries for sort and find longest filename */
887: for (i = 0; g.gl_pathv[i]; i++)
888: m = MAX(m, strlen(g.gl_pathv[i]));
889:
890: columns = width / (m + 2);
891: columns = MAX(columns, 1);
892: colspace = width / columns;
893: }
894:
1.136 dtucker 895: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 896: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 897: if (lflag & LS_LONG_VIEW) {
1.128 djm 898: if (g.gl_statv[i] == NULL) {
899: error("no stat information for %s", fname);
900: continue;
901: }
902: lname = ls_file(fname, g.gl_statv[i], 1,
903: (lflag & LS_SI_UNITS));
1.44 djm 904: printf("%s\n", lname);
1.145 djm 905: free(lname);
1.44 djm 906: } else {
907: printf("%-*s", colspace, fname);
908: if (c >= columns) {
909: printf("\n");
910: c = 1;
911: } else
912: c++;
913: }
1.145 djm 914: free(fname);
1.44 djm 915: }
916:
1.53 djm 917: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 918: printf("\n");
919:
1.46 djm 920: out:
1.44 djm 921: if (g.gl_pathc)
922: globfree(&g);
923:
1.128 djm 924: return 0;
1.44 djm 925: }
926:
1.100 djm 927: static int
928: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
929: {
1.101 dtucker 930: struct sftp_statvfs st;
1.100 djm 931: char s_used[FMT_SCALED_STRSIZE];
932: char s_avail[FMT_SCALED_STRSIZE];
933: char s_root[FMT_SCALED_STRSIZE];
934: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 935: unsigned long long ffree;
1.100 djm 936:
937: if (do_statvfs(conn, path, &st, 1) == -1)
938: return -1;
939: if (iflag) {
1.114 dtucker 940: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 941: printf(" Inodes Used Avail "
942: "(root) %%Capacity\n");
943: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
944: (unsigned long long)st.f_files,
945: (unsigned long long)(st.f_files - st.f_ffree),
946: (unsigned long long)st.f_favail,
1.114 dtucker 947: (unsigned long long)st.f_ffree, ffree);
1.100 djm 948: } else if (hflag) {
949: strlcpy(s_used, "error", sizeof(s_used));
950: strlcpy(s_avail, "error", sizeof(s_avail));
951: strlcpy(s_root, "error", sizeof(s_root));
952: strlcpy(s_total, "error", sizeof(s_total));
953: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
954: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
955: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
956: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
957: printf(" Size Used Avail (root) %%Capacity\n");
958: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
959: s_total, s_used, s_avail, s_root,
960: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
961: st.f_blocks));
962: } else {
963: printf(" Size Used Avail "
964: "(root) %%Capacity\n");
965: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
966: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
967: (unsigned long long)(st.f_frsize *
968: (st.f_blocks - st.f_bfree) / 1024),
969: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
970: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
971: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
972: st.f_blocks));
973: }
974: return 0;
975: }
976:
1.97 djm 977: /*
978: * Undo escaping of glob sequences in place. Used to undo extra escaping
979: * applied in makeargv() when the string is destined for a function that
980: * does not glob it.
981: */
982: static void
983: undo_glob_escape(char *s)
984: {
985: size_t i, j;
986:
987: for (i = j = 0;;) {
988: if (s[i] == '\0') {
989: s[j] = '\0';
990: return;
991: }
992: if (s[i] != '\\') {
993: s[j++] = s[i++];
994: continue;
995: }
996: /* s[i] == '\\' */
997: ++i;
998: switch (s[i]) {
999: case '?':
1000: case '[':
1001: case '*':
1002: case '\\':
1003: s[j++] = s[i++];
1004: break;
1005: case '\0':
1006: s[j++] = '\\';
1007: s[j] = '\0';
1008: return;
1009: default:
1010: s[j++] = '\\';
1011: s[j++] = s[i++];
1012: break;
1013: }
1014: }
1015: }
1016:
1017: /*
1018: * Split a string into an argument vector using sh(1)-style quoting,
1019: * comment and escaping rules, but with some tweaks to handle glob(3)
1020: * wildcards.
1.116 djm 1021: * The "sloppy" flag allows for recovery from missing terminating quote, for
1022: * use in parsing incomplete commandlines during tab autocompletion.
1023: *
1.97 djm 1024: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1025: *
1026: * If "lastquote" is not NULL, the quoting character used for the last
1027: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1028: *
1.116 djm 1029: * If "terminated" is not NULL, *terminated will be set to 1 when the
1030: * last argument's quote has been properly terminated or 0 otherwise.
1031: * This parameter is only of use if "sloppy" is set.
1.97 djm 1032: */
1033: #define MAXARGS 128
1034: #define MAXARGLEN 8192
1035: static char **
1.116 djm 1036: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1037: u_int *terminated)
1.97 djm 1038: {
1039: int argc, quot;
1040: size_t i, j;
1041: static char argvs[MAXARGLEN];
1042: static char *argv[MAXARGS + 1];
1043: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1044:
1045: *argcp = argc = 0;
1046: if (strlen(arg) > sizeof(argvs) - 1) {
1047: args_too_longs:
1048: error("string too long");
1049: return NULL;
1050: }
1.116 djm 1051: if (terminated != NULL)
1052: *terminated = 1;
1053: if (lastquote != NULL)
1054: *lastquote = '\0';
1.97 djm 1055: state = MA_START;
1056: i = j = 0;
1057: for (;;) {
1.141 markus 1058: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1059: error("Too many arguments.");
1060: return NULL;
1061: }
1.158 deraadt 1062: if (isspace((unsigned char)arg[i])) {
1.97 djm 1063: if (state == MA_UNQUOTED) {
1064: /* Terminate current argument */
1065: argvs[j++] = '\0';
1066: argc++;
1067: state = MA_START;
1068: } else if (state != MA_START)
1069: argvs[j++] = arg[i];
1070: } else if (arg[i] == '"' || arg[i] == '\'') {
1071: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1072: if (state == MA_START) {
1073: argv[argc] = argvs + j;
1074: state = q;
1.116 djm 1075: if (lastquote != NULL)
1076: *lastquote = arg[i];
1.149 djm 1077: } else if (state == MA_UNQUOTED)
1.97 djm 1078: state = q;
1079: else if (state == q)
1080: state = MA_UNQUOTED;
1081: else
1082: argvs[j++] = arg[i];
1083: } else if (arg[i] == '\\') {
1084: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1085: quot = state == MA_SQUOTE ? '\'' : '"';
1086: /* Unescape quote we are in */
1087: /* XXX support \n and friends? */
1088: if (arg[i + 1] == quot) {
1089: i++;
1090: argvs[j++] = arg[i];
1091: } else if (arg[i + 1] == '?' ||
1092: arg[i + 1] == '[' || arg[i + 1] == '*') {
1093: /*
1094: * Special case for sftp: append
1095: * double-escaped glob sequence -
1096: * glob will undo one level of
1097: * escaping. NB. string can grow here.
1098: */
1099: if (j >= sizeof(argvs) - 5)
1100: goto args_too_longs;
1101: argvs[j++] = '\\';
1102: argvs[j++] = arg[i++];
1103: argvs[j++] = '\\';
1104: argvs[j++] = arg[i];
1105: } else {
1106: argvs[j++] = arg[i++];
1107: argvs[j++] = arg[i];
1108: }
1109: } else {
1110: if (state == MA_START) {
1111: argv[argc] = argvs + j;
1112: state = MA_UNQUOTED;
1.116 djm 1113: if (lastquote != NULL)
1114: *lastquote = '\0';
1.97 djm 1115: }
1116: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1117: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1118: /*
1119: * Special case for sftp: append
1120: * escaped glob sequence -
1121: * glob will undo one level of
1122: * escaping.
1123: */
1124: argvs[j++] = arg[i++];
1125: argvs[j++] = arg[i];
1126: } else {
1127: /* Unescape everything */
1128: /* XXX support \n and friends? */
1129: i++;
1130: argvs[j++] = arg[i];
1131: }
1132: }
1133: } else if (arg[i] == '#') {
1134: if (state == MA_SQUOTE || state == MA_DQUOTE)
1135: argvs[j++] = arg[i];
1136: else
1137: goto string_done;
1138: } else if (arg[i] == '\0') {
1139: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1140: if (sloppy) {
1141: state = MA_UNQUOTED;
1142: if (terminated != NULL)
1143: *terminated = 0;
1144: goto string_done;
1145: }
1.97 djm 1146: error("Unterminated quoted argument");
1147: return NULL;
1148: }
1149: string_done:
1150: if (state == MA_UNQUOTED) {
1151: argvs[j++] = '\0';
1152: argc++;
1153: }
1154: break;
1155: } else {
1156: if (state == MA_START) {
1157: argv[argc] = argvs + j;
1158: state = MA_UNQUOTED;
1.116 djm 1159: if (lastquote != NULL)
1160: *lastquote = '\0';
1.97 djm 1161: }
1162: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1163: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1164: /*
1165: * Special case for sftp: escape quoted
1166: * glob(3) wildcards. NB. string can grow
1167: * here.
1168: */
1169: if (j >= sizeof(argvs) - 3)
1170: goto args_too_longs;
1171: argvs[j++] = '\\';
1172: argvs[j++] = arg[i];
1173: } else
1174: argvs[j++] = arg[i];
1175: }
1176: i++;
1177: }
1178: *argcp = argc;
1179: return argv;
1180: }
1181:
1.44 djm 1182: static int
1.159 logan 1183: parse_args(const char **cpp, int *ignore_errors, int *aflag,
1184: int *fflag, int *hflag, int *iflag, int *lflag, int *pflag,
1185: int *rflag, int *sflag,
1.156 djm 1186: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1187: {
1188: const char *cmd, *cp = *cpp;
1.97 djm 1189: char *cp2, **argv;
1.44 djm 1190: int base = 0;
1191: long l;
1.97 djm 1192: int i, cmdnum, optidx, argc;
1.44 djm 1193:
1194: /* Skip leading whitespace */
1195: cp = cp + strspn(cp, WHITESPACE);
1196:
1197: /* Check for leading '-' (disable error processing) */
1.156 djm 1198: *ignore_errors = 0;
1.44 djm 1199: if (*cp == '-') {
1.156 djm 1200: *ignore_errors = 1;
1.44 djm 1201: cp++;
1.118 dtucker 1202: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1203: }
1.118 dtucker 1204:
1205: /* Ignore blank lines and lines which begin with comment '#' char */
1206: if (*cp == '\0' || *cp == '#')
1207: return (0);
1.44 djm 1208:
1.116 djm 1209: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1210: return -1;
1211:
1.44 djm 1212: /* Figure out which command we have */
1.97 djm 1213: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1214: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1215: break;
1216: }
1217: cmdnum = cmds[i].n;
1218: cmd = cmds[i].c;
1219:
1220: /* Special case */
1221: if (*cp == '!') {
1222: cp++;
1223: cmdnum = I_SHELL;
1224: } else if (cmdnum == -1) {
1225: error("Invalid command.");
1.97 djm 1226: return -1;
1.44 djm 1227: }
1228:
1229: /* Get arguments and parse flags */
1.156 djm 1230: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1231: *rflag = *sflag = 0;
1.44 djm 1232: *path1 = *path2 = NULL;
1.97 djm 1233: optidx = 1;
1.44 djm 1234: switch (cmdnum) {
1235: case I_GET:
1.148 djm 1236: case I_REGET:
1.159 logan 1237: case I_REPUT:
1.44 djm 1238: case I_PUT:
1.132 djm 1239: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1240: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1241: return -1;
1.44 djm 1242: /* Get first pathname (mandatory) */
1.97 djm 1243: if (argc - optidx < 1) {
1.44 djm 1244: error("You must specify at least one path after a "
1245: "%s command.", cmd);
1.97 djm 1246: return -1;
1247: }
1248: *path1 = xstrdup(argv[optidx]);
1249: /* Get second pathname (optional) */
1250: if (argc - optidx > 1) {
1251: *path2 = xstrdup(argv[optidx + 1]);
1252: /* Destination is not globbed */
1253: undo_glob_escape(*path2);
1.44 djm 1254: }
1255: break;
1.132 djm 1256: case I_LINK:
1257: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1258: return -1;
1.152 djm 1259: goto parse_two_paths;
1260: case I_RENAME:
1261: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1262: return -1;
1263: goto parse_two_paths;
1.132 djm 1264: case I_SYMLINK:
1.153 djm 1265: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1266: return -1;
1.152 djm 1267: parse_two_paths:
1.97 djm 1268: if (argc - optidx < 2) {
1.44 djm 1269: error("You must specify two paths after a %s "
1270: "command.", cmd);
1.97 djm 1271: return -1;
1.44 djm 1272: }
1.97 djm 1273: *path1 = xstrdup(argv[optidx]);
1274: *path2 = xstrdup(argv[optidx + 1]);
1275: /* Paths are not globbed */
1276: undo_glob_escape(*path1);
1277: undo_glob_escape(*path2);
1.44 djm 1278: break;
1279: case I_RM:
1280: case I_MKDIR:
1281: case I_RMDIR:
1282: case I_CHDIR:
1283: case I_LCHDIR:
1284: case I_LMKDIR:
1.153 djm 1285: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1286: return -1;
1.44 djm 1287: /* Get pathname (mandatory) */
1.97 djm 1288: if (argc - optidx < 1) {
1.44 djm 1289: error("You must specify a path after a %s command.",
1290: cmd);
1.97 djm 1291: return -1;
1.44 djm 1292: }
1.97 djm 1293: *path1 = xstrdup(argv[optidx]);
1294: /* Only "rm" globs */
1295: if (cmdnum != I_RM)
1296: undo_glob_escape(*path1);
1.44 djm 1297: break;
1.100 djm 1298: case I_DF:
1299: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1300: iflag)) == -1)
1301: return -1;
1302: /* Default to current directory if no path specified */
1303: if (argc - optidx < 1)
1304: *path1 = NULL;
1305: else {
1306: *path1 = xstrdup(argv[optidx]);
1307: undo_glob_escape(*path1);
1308: }
1309: break;
1.44 djm 1310: case I_LS:
1.97 djm 1311: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1312: return(-1);
1313: /* Path is optional */
1.97 djm 1314: if (argc - optidx > 0)
1315: *path1 = xstrdup(argv[optidx]);
1.44 djm 1316: break;
1317: case I_LLS:
1.98 djm 1318: /* Skip ls command and following whitespace */
1319: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1320: case I_SHELL:
1321: /* Uses the rest of the line */
1322: break;
1323: case I_LUMASK:
1324: case I_CHMOD:
1325: base = 8;
1326: case I_CHOWN:
1327: case I_CHGRP:
1.153 djm 1328: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1329: return -1;
1.44 djm 1330: /* Get numeric arg (mandatory) */
1.97 djm 1331: if (argc - optidx < 1)
1332: goto need_num_arg;
1.93 ray 1333: errno = 0;
1.97 djm 1334: l = strtol(argv[optidx], &cp2, base);
1335: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1336: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1337: l < 0) {
1338: need_num_arg:
1.44 djm 1339: error("You must supply a numeric argument "
1340: "to the %s command.", cmd);
1.97 djm 1341: return -1;
1.44 djm 1342: }
1343: *n_arg = l;
1.97 djm 1344: if (cmdnum == I_LUMASK)
1.44 djm 1345: break;
1346: /* Get pathname (mandatory) */
1.97 djm 1347: if (argc - optidx < 2) {
1.44 djm 1348: error("You must specify a path after a %s command.",
1349: cmd);
1.97 djm 1350: return -1;
1.44 djm 1351: }
1.97 djm 1352: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1353: break;
1354: case I_QUIT:
1355: case I_PWD:
1356: case I_LPWD:
1357: case I_HELP:
1358: case I_VERSION:
1359: case I_PROGRESS:
1.153 djm 1360: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1361: return -1;
1.44 djm 1362: break;
1363: default:
1364: fatal("Command not implemented");
1365: }
1366:
1367: *cpp = cp;
1368: return(cmdnum);
1369: }
1370:
1371: static int
1372: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1373: int err_abort)
1374: {
1375: char *path1, *path2, *tmp;
1.159 logan 1376: int ignore_errors = 0, aflag = 0, fflag = 0, hflag = 0,
1377: iflag = 0;
1.156 djm 1378: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1379: int cmdnum, i;
1.107 dtucker 1380: unsigned long n_arg = 0;
1.44 djm 1381: Attrib a, *aa;
1382: char path_buf[MAXPATHLEN];
1383: int err = 0;
1384: glob_t g;
1385:
1386: path1 = path2 = NULL;
1.156 djm 1387: cmdnum = parse_args(&cmd, &ignore_errors, &aflag, &fflag, &hflag,
1388: &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg, &path1, &path2);
1389: if (ignore_errors != 0)
1.44 djm 1390: err_abort = 0;
1391:
1392: memset(&g, 0, sizeof(g));
1393:
1394: /* Perform command */
1395: switch (cmdnum) {
1396: case 0:
1397: /* Blank line */
1398: break;
1399: case -1:
1400: /* Unrecognized command */
1401: err = -1;
1402: break;
1.148 djm 1403: case I_REGET:
1404: aflag = 1;
1405: /* FALLTHROUGH */
1.44 djm 1406: case I_GET:
1.148 djm 1407: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1408: rflag, aflag, fflag);
1.44 djm 1409: break;
1.159 logan 1410: case I_REPUT:
1411: aflag = 1;
1412: /* FALLTHROUGH */
1.44 djm 1413: case I_PUT:
1.156 djm 1414: err = process_put(conn, path1, path2, *pwd, pflag,
1.159 logan 1415: rflag, aflag, fflag);
1.44 djm 1416: break;
1417: case I_RENAME:
1418: path1 = make_absolute(path1, *pwd);
1419: path2 = make_absolute(path2, *pwd);
1.152 djm 1420: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1421: break;
1422: case I_SYMLINK:
1.132 djm 1423: sflag = 1;
1424: case I_LINK:
1.151 djm 1425: if (!sflag)
1426: path1 = make_absolute(path1, *pwd);
1.44 djm 1427: path2 = make_absolute(path2, *pwd);
1.132 djm 1428: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1429: break;
1430: case I_RM:
1431: path1 = make_absolute(path1, *pwd);
1432: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1433: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1434: if (!quiet)
1435: printf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1436: err = do_rm(conn, g.gl_pathv[i]);
1437: if (err != 0 && err_abort)
1438: break;
1439: }
1440: break;
1441: case I_MKDIR:
1442: path1 = make_absolute(path1, *pwd);
1443: attrib_clear(&a);
1444: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1445: a.perm = 0777;
1.111 djm 1446: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1447: break;
1448: case I_RMDIR:
1449: path1 = make_absolute(path1, *pwd);
1450: err = do_rmdir(conn, path1);
1451: break;
1452: case I_CHDIR:
1453: path1 = make_absolute(path1, *pwd);
1454: if ((tmp = do_realpath(conn, path1)) == NULL) {
1455: err = 1;
1456: break;
1457: }
1458: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1459: free(tmp);
1.44 djm 1460: err = 1;
1461: break;
1462: }
1463: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1464: error("Can't change directory: Can't check target");
1.145 djm 1465: free(tmp);
1.44 djm 1466: err = 1;
1467: break;
1468: }
1469: if (!S_ISDIR(aa->perm)) {
1470: error("Can't change directory: \"%s\" is not "
1471: "a directory", tmp);
1.145 djm 1472: free(tmp);
1.44 djm 1473: err = 1;
1474: break;
1475: }
1.145 djm 1476: free(*pwd);
1.44 djm 1477: *pwd = tmp;
1478: break;
1479: case I_LS:
1480: if (!path1) {
1.125 djm 1481: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1482: break;
1483: }
1484:
1485: /* Strip pwd off beginning of non-absolute paths */
1486: tmp = NULL;
1487: if (*path1 != '/')
1488: tmp = *pwd;
1489:
1490: path1 = make_absolute(path1, *pwd);
1491: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1492: break;
1493: case I_DF:
1494: /* Default to current directory if no path specified */
1495: if (path1 == NULL)
1496: path1 = xstrdup(*pwd);
1497: path1 = make_absolute(path1, *pwd);
1498: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1499: break;
1500: case I_LCHDIR:
1.166 ! deraadt 1501: tmp = tilde_expand_filename(path1, getuid());
1.165 djm 1502: free(path1);
1503: path1 = tmp;
1.44 djm 1504: if (chdir(path1) == -1) {
1505: error("Couldn't change local directory to "
1506: "\"%s\": %s", path1, strerror(errno));
1507: err = 1;
1508: }
1509: break;
1510: case I_LMKDIR:
1511: if (mkdir(path1, 0777) == -1) {
1512: error("Couldn't create local directory "
1513: "\"%s\": %s", path1, strerror(errno));
1514: err = 1;
1515: }
1516: break;
1517: case I_LLS:
1518: local_do_ls(cmd);
1519: break;
1520: case I_SHELL:
1521: local_do_shell(cmd);
1522: break;
1523: case I_LUMASK:
1524: umask(n_arg);
1525: printf("Local umask: %03lo\n", n_arg);
1526: break;
1527: case I_CHMOD:
1528: path1 = make_absolute(path1, *pwd);
1529: attrib_clear(&a);
1530: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1531: a.perm = n_arg;
1532: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1533: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1534: if (!quiet)
1535: printf("Changing mode on %s\n", g.gl_pathv[i]);
1.44 djm 1536: err = do_setstat(conn, g.gl_pathv[i], &a);
1537: if (err != 0 && err_abort)
1538: break;
1539: }
1540: break;
1541: case I_CHOWN:
1542: case I_CHGRP:
1543: path1 = make_absolute(path1, *pwd);
1544: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1545: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1546: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1547: if (err_abort) {
1548: err = -1;
1.44 djm 1549: break;
1.104 djm 1550: } else
1.44 djm 1551: continue;
1552: }
1553: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1554: error("Can't get current ownership of "
1555: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1556: if (err_abort) {
1557: err = -1;
1.44 djm 1558: break;
1.104 djm 1559: } else
1.44 djm 1560: continue;
1561: }
1562: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1563: if (cmdnum == I_CHOWN) {
1.143 djm 1564: if (!quiet)
1565: printf("Changing owner on %s\n",
1566: g.gl_pathv[i]);
1.44 djm 1567: aa->uid = n_arg;
1568: } else {
1.143 djm 1569: if (!quiet)
1570: printf("Changing group on %s\n",
1571: g.gl_pathv[i]);
1.44 djm 1572: aa->gid = n_arg;
1573: }
1574: err = do_setstat(conn, g.gl_pathv[i], aa);
1575: if (err != 0 && err_abort)
1576: break;
1577: }
1578: break;
1579: case I_PWD:
1580: printf("Remote working directory: %s\n", *pwd);
1581: break;
1582: case I_LPWD:
1583: if (!getcwd(path_buf, sizeof(path_buf))) {
1584: error("Couldn't get local cwd: %s", strerror(errno));
1585: err = -1;
1586: break;
1587: }
1588: printf("Local working directory: %s\n", path_buf);
1589: break;
1590: case I_QUIT:
1591: /* Processed below */
1592: break;
1593: case I_HELP:
1594: help();
1595: break;
1596: case I_VERSION:
1597: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1598: break;
1599: case I_PROGRESS:
1600: showprogress = !showprogress;
1601: if (showprogress)
1602: printf("Progress meter enabled\n");
1603: else
1604: printf("Progress meter disabled\n");
1605: break;
1606: default:
1607: fatal("%d is not implemented", cmdnum);
1608: }
1609:
1610: if (g.gl_pathc)
1611: globfree(&g);
1.145 djm 1612: free(path1);
1613: free(path2);
1.44 djm 1614:
1615: /* If an unignored error occurs in batch mode we should abort. */
1616: if (err_abort && err != 0)
1617: return (-1);
1618: else if (cmdnum == I_QUIT)
1619: return (1);
1620:
1621: return (0);
1622: }
1623:
1.57 djm 1624: static char *
1625: prompt(EditLine *el)
1626: {
1627: return ("sftp> ");
1628: }
1629:
1.116 djm 1630: /* Display entries in 'list' after skipping the first 'len' chars */
1631: static void
1632: complete_display(char **list, u_int len)
1633: {
1634: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1635: struct winsize ws;
1636: char *tmp;
1637:
1638: /* Count entries for sort and find longest */
1.149 djm 1639: for (y = 0; list[y]; y++)
1.116 djm 1640: m = MAX(m, strlen(list[y]));
1641:
1642: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1643: width = ws.ws_col;
1644:
1645: m = m > len ? m - len : 0;
1646: columns = width / (m + 2);
1647: columns = MAX(columns, 1);
1648: colspace = width / columns;
1649: colspace = MIN(colspace, width);
1650:
1651: printf("\n");
1652: m = 1;
1653: for (y = 0; list[y]; y++) {
1654: llen = strlen(list[y]);
1655: tmp = llen > len ? list[y] + len : "";
1656: printf("%-*s", colspace, tmp);
1657: if (m >= columns) {
1658: printf("\n");
1659: m = 1;
1660: } else
1661: m++;
1662: }
1663: printf("\n");
1664: }
1665:
1666: /*
1667: * Given a "list" of words that begin with a common prefix of "word",
1668: * attempt to find an autocompletion to extends "word" by the next
1669: * characters common to all entries in "list".
1670: */
1671: static char *
1672: complete_ambiguous(const char *word, char **list, size_t count)
1673: {
1674: if (word == NULL)
1675: return NULL;
1676:
1677: if (count > 0) {
1678: u_int y, matchlen = strlen(list[0]);
1679:
1680: /* Find length of common stem */
1681: for (y = 1; list[y]; y++) {
1682: u_int x;
1683:
1.149 djm 1684: for (x = 0; x < matchlen; x++)
1685: if (list[0][x] != list[y][x])
1.116 djm 1686: break;
1687:
1688: matchlen = x;
1689: }
1690:
1691: if (matchlen > strlen(word)) {
1692: char *tmp = xstrdup(list[0]);
1693:
1.117 dtucker 1694: tmp[matchlen] = '\0';
1.116 djm 1695: return tmp;
1696: }
1.149 djm 1697: }
1.116 djm 1698:
1699: return xstrdup(word);
1700: }
1701:
1702: /* Autocomplete a sftp command */
1703: static int
1704: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1705: int terminated)
1706: {
1707: u_int y, count = 0, cmdlen, tmplen;
1708: char *tmp, **list, argterm[3];
1709: const LineInfo *lf;
1710:
1711: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1712:
1713: /* No command specified: display all available commands */
1714: if (cmd == NULL) {
1715: for (y = 0; cmds[y].c; y++)
1716: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1717:
1.116 djm 1718: list[count] = NULL;
1719: complete_display(list, 0);
1720:
1.149 djm 1721: for (y = 0; list[y] != NULL; y++)
1722: free(list[y]);
1.145 djm 1723: free(list);
1.116 djm 1724: return count;
1725: }
1726:
1727: /* Prepare subset of commands that start with "cmd" */
1728: cmdlen = strlen(cmd);
1729: for (y = 0; cmds[y].c; y++) {
1.149 djm 1730: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1731: list[count++] = xstrdup(cmds[y].c);
1732: }
1733: list[count] = NULL;
1734:
1.134 oga 1735: if (count == 0) {
1.145 djm 1736: free(list);
1.116 djm 1737: return 0;
1.134 oga 1738: }
1.116 djm 1739:
1740: /* Complete ambigious command */
1741: tmp = complete_ambiguous(cmd, list, count);
1742: if (count > 1)
1743: complete_display(list, 0);
1744:
1.149 djm 1745: for (y = 0; list[y]; y++)
1746: free(list[y]);
1.145 djm 1747: free(list);
1.116 djm 1748:
1749: if (tmp != NULL) {
1750: tmplen = strlen(tmp);
1751: cmdlen = strlen(cmd);
1752: /* If cmd may be extended then do so */
1753: if (tmplen > cmdlen)
1754: if (el_insertstr(el, tmp + cmdlen) == -1)
1755: fatal("el_insertstr failed.");
1756: lf = el_line(el);
1757: /* Terminate argument cleanly */
1758: if (count == 1) {
1759: y = 0;
1760: if (!terminated)
1761: argterm[y++] = quote;
1762: if (lastarg || *(lf->cursor) != ' ')
1763: argterm[y++] = ' ';
1764: argterm[y] = '\0';
1765: if (y > 0 && el_insertstr(el, argterm) == -1)
1766: fatal("el_insertstr failed.");
1767: }
1.145 djm 1768: free(tmp);
1.116 djm 1769: }
1770:
1771: return count;
1772: }
1773:
1774: /*
1775: * Determine whether a particular sftp command's arguments (if any)
1776: * represent local or remote files.
1777: */
1778: static int
1779: complete_is_remote(char *cmd) {
1780: int i;
1781:
1782: if (cmd == NULL)
1783: return -1;
1784:
1785: for (i = 0; cmds[i].c; i++) {
1.149 djm 1786: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1.116 djm 1787: return cmds[i].t;
1788: }
1789:
1790: return -1;
1791: }
1792:
1793: /* Autocomplete a filename "file" */
1794: static int
1795: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1796: char *file, int remote, int lastarg, char quote, int terminated)
1797: {
1798: glob_t g;
1.146 dtucker 1799: char *tmp, *tmp2, ins[8];
1.140 dtucker 1800: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1801: int clen;
1.116 djm 1802: const LineInfo *lf;
1.149 djm 1803:
1.116 djm 1804: /* Glob from "file" location */
1805: if (file == NULL)
1806: tmp = xstrdup("*");
1807: else
1808: xasprintf(&tmp, "%s*", file);
1809:
1.139 dtucker 1810: /* Check if the path is absolute. */
1811: isabs = tmp[0] == '/';
1812:
1.116 djm 1813: memset(&g, 0, sizeof(g));
1814: if (remote != LOCAL) {
1815: tmp = make_absolute(tmp, remote_path);
1816: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1817: } else
1.116 djm 1818: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1819:
1.116 djm 1820: /* Determine length of pwd so we can trim completion display */
1821: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1822: /* Terminate counting on first unescaped glob metacharacter */
1823: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1824: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1825: hadglob = 1;
1826: break;
1827: }
1828: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1829: tmplen++;
1830: if (tmp[tmplen] == '/')
1831: pwdlen = tmplen + 1; /* track last seen '/' */
1832: }
1.145 djm 1833: free(tmp);
1.161 dtucker 1834: tmp = NULL;
1.116 djm 1835:
1.149 djm 1836: if (g.gl_matchc == 0)
1.116 djm 1837: goto out;
1838:
1839: if (g.gl_matchc > 1)
1840: complete_display(g.gl_pathv, pwdlen);
1841:
1842: /* Don't try to extend globs */
1843: if (file == NULL || hadglob)
1844: goto out;
1845:
1846: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1847: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1848: free(tmp2);
1.116 djm 1849:
1850: if (tmp == NULL)
1851: goto out;
1852:
1853: tmplen = strlen(tmp);
1854: filelen = strlen(file);
1855:
1.140 dtucker 1856: /* Count the number of escaped characters in the input string. */
1857: cesc = isesc = 0;
1858: for (i = 0; i < filelen; i++) {
1859: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1860: isesc = 1;
1861: cesc++;
1862: } else
1863: isesc = 0;
1864: }
1865:
1866: if (tmplen > (filelen - cesc)) {
1867: tmp2 = tmp + filelen - cesc;
1.149 djm 1868: len = strlen(tmp2);
1.116 djm 1869: /* quote argument on way out */
1.146 dtucker 1870: for (i = 0; i < len; i += clen) {
1871: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
1872: (size_t)clen > sizeof(ins) - 2)
1873: fatal("invalid multibyte character");
1.116 djm 1874: ins[0] = '\\';
1.146 dtucker 1875: memcpy(ins + 1, tmp2 + i, clen);
1876: ins[clen + 1] = '\0';
1.116 djm 1877: switch (tmp2[i]) {
1878: case '\'':
1879: case '"':
1880: case '\\':
1881: case '\t':
1.131 sthen 1882: case '[':
1.116 djm 1883: case ' ':
1.140 dtucker 1884: case '#':
1885: case '*':
1.116 djm 1886: if (quote == '\0' || tmp2[i] == quote) {
1887: if (el_insertstr(el, ins) == -1)
1888: fatal("el_insertstr "
1889: "failed.");
1890: break;
1891: }
1892: /* FALLTHROUGH */
1893: default:
1894: if (el_insertstr(el, ins + 1) == -1)
1895: fatal("el_insertstr failed.");
1896: break;
1897: }
1898: }
1899: }
1900:
1901: lf = el_line(el);
1902: if (g.gl_matchc == 1) {
1903: i = 0;
1.162 dtucker 1904: if (!terminated && quote != '\0')
1.116 djm 1905: ins[i++] = quote;
1.120 djm 1906: if (*(lf->cursor - 1) != '/' &&
1907: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1908: ins[i++] = ' ';
1909: ins[i] = '\0';
1910: if (i > 0 && el_insertstr(el, ins) == -1)
1911: fatal("el_insertstr failed.");
1912: }
1.145 djm 1913: free(tmp);
1.116 djm 1914:
1915: out:
1916: globfree(&g);
1917: return g.gl_matchc;
1918: }
1919:
1920: /* tab-completion hook function, called via libedit */
1921: static unsigned char
1922: complete(EditLine *el, int ch)
1923: {
1.149 djm 1924: char **argv, *line, quote;
1.147 djm 1925: int argc, carg;
1926: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 1927: const LineInfo *lf;
1928: struct complete_ctx *complete_ctx;
1929:
1930: lf = el_line(el);
1931: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1932: fatal("%s: el_get failed", __func__);
1933:
1934: /* Figure out which argument the cursor points to */
1935: cursor = lf->cursor - lf->buffer;
1936: line = (char *)xmalloc(cursor + 1);
1937: memcpy(line, lf->buffer, cursor);
1938: line[cursor] = '\0';
1939: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 1940: free(line);
1.116 djm 1941:
1942: /* Get all the arguments on the line */
1943: len = lf->lastchar - lf->buffer;
1944: line = (char *)xmalloc(len + 1);
1945: memcpy(line, lf->buffer, len);
1946: line[len] = '\0';
1947: argv = makeargv(line, &argc, 1, NULL, NULL);
1948:
1949: /* Ensure cursor is at EOL or a argument boundary */
1950: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1951: line[cursor] != '\n') {
1.145 djm 1952: free(line);
1.116 djm 1953: return ret;
1954: }
1955:
1956: if (carg == 0) {
1957: /* Show all available commands */
1958: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1959: ret = CC_REDISPLAY;
1960: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1961: /* Handle the command parsing */
1962: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 1963: quote, terminated) != 0)
1.116 djm 1964: ret = CC_REDISPLAY;
1965: } else if (carg >= 1) {
1966: /* Handle file parsing */
1967: int remote = complete_is_remote(argv[0]);
1968: char *filematch = NULL;
1969:
1970: if (carg > 1 && line[cursor-1] != ' ')
1971: filematch = argv[carg - 1];
1972:
1973: if (remote != 0 &&
1974: complete_match(el, complete_ctx->conn,
1975: *complete_ctx->remote_pathp, filematch,
1.149 djm 1976: remote, carg == argc, quote, terminated) != 0)
1.116 djm 1977: ret = CC_REDISPLAY;
1978: }
1979:
1.149 djm 1980: free(line);
1.116 djm 1981: return ret;
1982: }
1983:
1.44 djm 1984: int
1.112 djm 1985: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1986: {
1.116 djm 1987: char *remote_path;
1.44 djm 1988: char *dir = NULL;
1989: char cmd[2048];
1.66 jaredy 1990: int err, interactive;
1.57 djm 1991: EditLine *el = NULL;
1992: History *hl = NULL;
1993: HistEvent hev;
1994: extern char *__progname;
1.116 djm 1995: struct complete_ctx complete_ctx;
1.57 djm 1996:
1997: if (!batchmode && isatty(STDIN_FILENO)) {
1998: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1999: fatal("Couldn't initialise editline");
2000: if ((hl = history_init()) == NULL)
2001: fatal("Couldn't initialise editline history");
2002: history(hl, &hev, H_SETSIZE, 100);
2003: el_set(el, EL_HIST, history, hl);
2004:
2005: el_set(el, EL_PROMPT, prompt);
2006: el_set(el, EL_EDITOR, "emacs");
2007: el_set(el, EL_TERMINAL, NULL);
2008: el_set(el, EL_SIGNAL, 1);
2009: el_source(el, NULL);
1.116 djm 2010:
2011: /* Tab Completion */
1.149 djm 2012: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 2013: "Context sensitive argument completion", complete);
1.116 djm 2014: complete_ctx.conn = conn;
2015: complete_ctx.remote_pathp = &remote_path;
2016: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
2017: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 2018: /* enable ctrl-left-arrow and ctrl-right-arrow */
2019: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
2020: el_set(el, EL_BIND, "\\e[5C", "em-next-word", NULL);
2021: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2022: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2023: /* make ^w match ksh behaviour */
2024: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2025: }
1.44 djm 2026:
1.116 djm 2027: remote_path = do_realpath(conn, ".");
2028: if (remote_path == NULL)
1.44 djm 2029: fatal("Need cwd");
2030:
2031: if (file1 != NULL) {
2032: dir = xstrdup(file1);
1.116 djm 2033: dir = make_absolute(dir, remote_path);
1.44 djm 2034:
2035: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2036: if (!quiet)
2037: printf("Changing to: %s\n", dir);
1.44 djm 2038: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2039: if (parse_dispatch_command(conn, cmd,
2040: &remote_path, 1) != 0) {
1.145 djm 2041: free(dir);
2042: free(remote_path);
2043: free(conn);
1.44 djm 2044: return (-1);
1.58 markus 2045: }
1.44 djm 2046: } else {
1.137 djm 2047: /* XXX this is wrong wrt quoting */
1.148 djm 2048: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2049: global_aflag ? " -a" : "", dir,
2050: file2 == NULL ? "" : " ",
2051: file2 == NULL ? "" : file2);
1.116 djm 2052: err = parse_dispatch_command(conn, cmd,
2053: &remote_path, 1);
1.145 djm 2054: free(dir);
2055: free(remote_path);
2056: free(conn);
1.44 djm 2057: return (err);
2058: }
1.145 djm 2059: free(dir);
1.44 djm 2060: }
2061:
1.135 djm 2062: setlinebuf(stdout);
2063: setlinebuf(infile);
1.44 djm 2064:
1.66 jaredy 2065: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2066: err = 0;
2067: for (;;) {
2068: char *cp;
1.57 djm 2069: const char *line;
2070: int count = 0;
1.44 djm 2071:
1.46 djm 2072: signal(SIGINT, SIG_IGN);
2073:
1.57 djm 2074: if (el == NULL) {
1.66 jaredy 2075: if (interactive)
2076: printf("sftp> ");
1.57 djm 2077: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2078: if (interactive)
2079: printf("\n");
1.57 djm 2080: break;
2081: }
1.66 jaredy 2082: if (!interactive) { /* Echo command */
2083: printf("sftp> %s", cmd);
2084: if (strlen(cmd) > 0 &&
2085: cmd[strlen(cmd) - 1] != '\n')
2086: printf("\n");
2087: }
1.57 djm 2088: } else {
1.116 djm 2089: if ((line = el_gets(el, &count)) == NULL ||
2090: count <= 0) {
1.66 jaredy 2091: printf("\n");
1.57 djm 2092: break;
1.66 jaredy 2093: }
1.57 djm 2094: history(hl, &hev, H_ENTER, line);
2095: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2096: fprintf(stderr, "Error: input line too long\n");
2097: continue;
2098: }
1.44 djm 2099: }
2100:
2101: cp = strrchr(cmd, '\n');
2102: if (cp)
2103: *cp = '\0';
2104:
1.46 djm 2105: /* Handle user interrupts gracefully during commands */
2106: interrupted = 0;
2107: signal(SIGINT, cmd_interrupt);
2108:
1.116 djm 2109: err = parse_dispatch_command(conn, cmd, &remote_path,
2110: batchmode);
1.44 djm 2111: if (err != 0)
2112: break;
2113: }
1.145 djm 2114: free(remote_path);
2115: free(conn);
1.66 jaredy 2116:
2117: if (el != NULL)
2118: el_end(el);
1.44 djm 2119:
2120: /* err == 1 signifies normal "quit" exit */
2121: return (err >= 0 ? 0 : -1);
2122: }
1.34 fgsch 2123:
1.18 itojun 2124: static void
1.36 djm 2125: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2126: {
2127: int c_in, c_out;
1.30 deraadt 2128:
1.1 djm 2129: int inout[2];
1.30 deraadt 2130:
1.1 djm 2131: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2132: fatal("socketpair: %s", strerror(errno));
2133: *in = *out = inout[0];
2134: c_in = c_out = inout[1];
2135:
1.36 djm 2136: if ((sshpid = fork()) == -1)
1.1 djm 2137: fatal("fork: %s", strerror(errno));
1.36 djm 2138: else if (sshpid == 0) {
1.1 djm 2139: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2140: (dup2(c_out, STDOUT_FILENO) == -1)) {
2141: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2142: _exit(1);
1.1 djm 2143: }
2144: close(*in);
2145: close(*out);
2146: close(c_in);
2147: close(c_out);
1.46 djm 2148:
2149: /*
2150: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2151: * ignore SIGINT if we want to gracefully abort commands,
2152: * otherwise the signal will make it to the ssh process and
1.122 guenther 2153: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2154: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2155: */
2156: signal(SIGINT, SIG_IGN);
1.122 guenther 2157: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2158: execvp(path, args);
1.23 djm 2159: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2160: _exit(1);
1.1 djm 2161: }
2162:
1.36 djm 2163: signal(SIGTERM, killchild);
2164: signal(SIGINT, killchild);
2165: signal(SIGHUP, killchild);
1.1 djm 2166: close(c_in);
2167: close(c_out);
2168: }
2169:
1.18 itojun 2170: static void
1.1 djm 2171: usage(void)
2172: {
1.25 mpech 2173: extern char *__progname;
1.27 markus 2174:
1.19 stevesk 2175: fprintf(stderr,
1.157 jmc 2176: "usage: %s [-1246aCfpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2177: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2178: "[-i identity_file] [-l limit]\n"
1.110 jmc 2179: " [-o ssh_option] [-P port] [-R num_requests] "
2180: "[-S program]\n"
1.108 djm 2181: " [-s subsystem | sftp_server] host\n"
1.105 djm 2182: " %s [user@]host[:file ...]\n"
2183: " %s [user@]host[:dir[/]]\n"
1.108 djm 2184: " %s -b batchfile [user@]host\n",
2185: __progname, __progname, __progname, __progname);
1.1 djm 2186: exit(1);
2187: }
2188:
1.2 stevesk 2189: int
1.1 djm 2190: main(int argc, char **argv)
2191: {
1.33 djm 2192: int in, out, ch, err;
1.117 dtucker 2193: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2194: int debug_level = 0, sshver = 2;
2195: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2196: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2197: const char *errstr;
1.17 mouring 2198: LogLevel ll = SYSLOG_LEVEL_INFO;
2199: arglist args;
1.3 djm 2200: extern int optind;
2201: extern char *optarg;
1.112 djm 2202: struct sftp_conn *conn;
2203: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2204: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2205: long long limit_kbps = 0;
1.67 djm 2206:
2207: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2208: sanitise_stdfd();
1.146 dtucker 2209: setlocale(LC_CTYPE, "");
1.1 djm 2210:
1.70 djm 2211: memset(&args, '\0', sizeof(args));
1.17 mouring 2212: args.list = NULL;
1.80 djm 2213: addargs(&args, "%s", ssh_program);
1.17 mouring 2214: addargs(&args, "-oForwardX11 no");
2215: addargs(&args, "-oForwardAgent no");
1.69 reyk 2216: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2217: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2218:
1.17 mouring 2219: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2220: infile = stdin;
1.3 djm 2221:
1.109 djm 2222: while ((ch = getopt(argc, argv,
1.156 djm 2223: "1246afhpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2224: switch (ch) {
1.108 djm 2225: /* Passed through to ssh(1) */
2226: case '4':
2227: case '6':
1.3 djm 2228: case 'C':
1.108 djm 2229: addargs(&args, "-%c", ch);
2230: break;
2231: /* Passed through to ssh(1) with argument */
2232: case 'F':
2233: case 'c':
2234: case 'i':
2235: case 'o':
1.113 halex 2236: addargs(&args, "-%c", ch);
2237: addargs(&args, "%s", optarg);
1.108 djm 2238: break;
2239: case 'q':
1.143 djm 2240: ll = SYSLOG_LEVEL_ERROR;
2241: quiet = 1;
1.108 djm 2242: showprogress = 0;
2243: addargs(&args, "-%c", ch);
1.3 djm 2244: break;
1.109 djm 2245: case 'P':
2246: addargs(&args, "-oPort %s", optarg);
2247: break;
1.3 djm 2248: case 'v':
1.17 mouring 2249: if (debug_level < 3) {
2250: addargs(&args, "-v");
2251: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2252: }
2253: debug_level++;
1.3 djm 2254: break;
1.7 markus 2255: case '1':
1.17 mouring 2256: sshver = 1;
1.7 markus 2257: if (sftp_server == NULL)
2258: sftp_server = _PATH_SFTP_SERVER;
2259: break;
1.108 djm 2260: case '2':
2261: sshver = 2;
1.148 djm 2262: break;
2263: case 'a':
2264: global_aflag = 1;
1.7 markus 2265: break;
1.108 djm 2266: case 'B':
2267: copy_buffer_len = strtol(optarg, &cp, 10);
2268: if (copy_buffer_len == 0 || *cp != '\0')
2269: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2270: break;
1.10 deraadt 2271: case 'b':
1.39 djm 2272: if (batchmode)
2273: fatal("Batch file already specified.");
2274:
2275: /* Allow "-" as stdin */
1.56 deraadt 2276: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2277: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2278: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2279: showprogress = 0;
1.143 djm 2280: quiet = batchmode = 1;
1.62 djm 2281: addargs(&args, "-obatchmode yes");
1.156 djm 2282: break;
2283: case 'f':
2284: global_fflag = 1;
1.10 deraadt 2285: break;
1.111 djm 2286: case 'p':
2287: global_pflag = 1;
2288: break;
1.109 djm 2289: case 'D':
1.23 djm 2290: sftp_direct = optarg;
1.111 djm 2291: break;
1.126 djm 2292: case 'l':
2293: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2294: &errstr);
2295: if (errstr != NULL)
2296: usage();
2297: limit_kbps *= 1024; /* kbps */
2298: break;
1.111 djm 2299: case 'r':
2300: global_rflag = 1;
1.24 djm 2301: break;
1.26 djm 2302: case 'R':
2303: num_requests = strtol(optarg, &cp, 10);
2304: if (num_requests == 0 || *cp != '\0')
1.27 markus 2305: fatal("Invalid number of requests \"%s\"",
1.26 djm 2306: optarg);
1.108 djm 2307: break;
2308: case 's':
2309: sftp_server = optarg;
2310: break;
2311: case 'S':
2312: ssh_program = optarg;
2313: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2314: break;
1.3 djm 2315: case 'h':
2316: default:
1.1 djm 2317: usage();
2318: }
2319: }
1.45 djm 2320:
2321: if (!isatty(STDERR_FILENO))
2322: showprogress = 0;
1.1 djm 2323:
1.29 markus 2324: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2325:
1.23 djm 2326: if (sftp_direct == NULL) {
2327: if (optind == argc || argc > (optind + 2))
2328: usage();
2329:
2330: userhost = xstrdup(argv[optind]);
2331: file2 = argv[optind+1];
1.1 djm 2332:
1.32 markus 2333: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2334: host = userhost;
2335: else {
2336: *host++ = '\0';
2337: if (!userhost[0]) {
2338: fprintf(stderr, "Missing username\n");
2339: usage();
2340: }
1.115 guenther 2341: addargs(&args, "-l");
2342: addargs(&args, "%s", userhost);
1.41 djm 2343: }
2344:
2345: if ((cp = colon(host)) != NULL) {
2346: *cp++ = '\0';
2347: file1 = cp;
1.23 djm 2348: }
1.3 djm 2349:
1.23 djm 2350: host = cleanhostname(host);
2351: if (!*host) {
2352: fprintf(stderr, "Missing hostname\n");
1.1 djm 2353: usage();
2354: }
2355:
1.23 djm 2356: addargs(&args, "-oProtocol %d", sshver);
2357:
2358: /* no subsystem if the server-spec contains a '/' */
2359: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2360: addargs(&args, "-s");
2361:
1.115 guenther 2362: addargs(&args, "--");
1.23 djm 2363: addargs(&args, "%s", host);
1.27 markus 2364: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2365: sftp_server : "sftp"));
2366:
1.36 djm 2367: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2368: } else {
2369: args.list = NULL;
2370: addargs(&args, "sftp-server");
2371:
1.36 djm 2372: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2373: }
1.70 djm 2374: freeargs(&args);
1.1 djm 2375:
1.126 djm 2376: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2377: if (conn == NULL)
2378: fatal("Couldn't initialise connection to server");
2379:
1.143 djm 2380: if (!quiet) {
1.112 djm 2381: if (sftp_direct == NULL)
2382: fprintf(stderr, "Connected to %s.\n", host);
2383: else
2384: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2385: }
2386:
2387: err = interactive_loop(conn, file1, file2);
1.1 djm 2388:
2389: close(in);
2390: close(out);
1.39 djm 2391: if (batchmode)
1.10 deraadt 2392: fclose(infile);
1.1 djm 2393:
1.28 markus 2394: while (waitpid(sshpid, NULL, 0) == -1)
2395: if (errno != EINTR)
2396: fatal("Couldn't wait for ssh process: %s",
2397: strerror(errno));
1.1 djm 2398:
1.33 djm 2399: exit(err == 0 ? 0 : 1);
1.1 djm 2400: }