Annotation of src/usr.bin/ssh/sftp.c, Revision 1.158
1.158 ! deraadt 1: /* $OpenBSD: sftp.c,v 1.157 2013/10/17 07:35:48 jmc 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:
1.148 djm 72: /* When this option is set, we resume download if possible */
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,
133: I_RENAME,
134: I_RM,
135: I_RMDIR,
136: I_SHELL,
137: I_SYMLINK,
138: I_VERSION,
139: I_PROGRESS,
140: I_REGET,
141: };
1.44 djm 142:
143: struct CMD {
144: const char *c;
145: const int n;
1.116 djm 146: const int t;
1.44 djm 147: };
148:
1.116 djm 149: /* Type of completion */
150: #define NOARGS 0
151: #define REMOTE 1
152: #define LOCAL 2
153:
1.44 djm 154: static const struct CMD cmds[] = {
1.116 djm 155: { "bye", I_QUIT, NOARGS },
156: { "cd", I_CHDIR, REMOTE },
157: { "chdir", I_CHDIR, REMOTE },
158: { "chgrp", I_CHGRP, REMOTE },
159: { "chmod", I_CHMOD, REMOTE },
160: { "chown", I_CHOWN, REMOTE },
161: { "df", I_DF, REMOTE },
162: { "dir", I_LS, REMOTE },
163: { "exit", I_QUIT, NOARGS },
164: { "get", I_GET, REMOTE },
165: { "help", I_HELP, NOARGS },
166: { "lcd", I_LCHDIR, LOCAL },
167: { "lchdir", I_LCHDIR, LOCAL },
168: { "lls", I_LLS, LOCAL },
169: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 170: { "ln", I_LINK, REMOTE },
1.116 djm 171: { "lpwd", I_LPWD, LOCAL },
172: { "ls", I_LS, REMOTE },
173: { "lumask", I_LUMASK, NOARGS },
174: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 175: { "mget", I_GET, REMOTE },
176: { "mput", I_PUT, LOCAL },
1.116 djm 177: { "progress", I_PROGRESS, NOARGS },
178: { "put", I_PUT, LOCAL },
179: { "pwd", I_PWD, REMOTE },
180: { "quit", I_QUIT, NOARGS },
1.148 djm 181: { "reget", I_REGET, REMOTE },
1.116 djm 182: { "rename", I_RENAME, REMOTE },
183: { "rm", I_RM, REMOTE },
184: { "rmdir", I_RMDIR, REMOTE },
185: { "symlink", I_SYMLINK, REMOTE },
186: { "version", I_VERSION, NOARGS },
187: { "!", I_SHELL, NOARGS },
188: { "?", I_HELP, NOARGS },
189: { NULL, -1, -1 }
1.44 djm 190: };
191:
1.112 djm 192: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 193:
1.96 stevesk 194: /* ARGSUSED */
1.44 djm 195: static void
1.46 djm 196: killchild(int signo)
197: {
1.61 dtucker 198: if (sshpid > 1) {
1.46 djm 199: kill(sshpid, SIGTERM);
1.61 dtucker 200: waitpid(sshpid, NULL, 0);
201: }
1.46 djm 202:
203: _exit(1);
204: }
205:
1.96 stevesk 206: /* ARGSUSED */
1.46 djm 207: static void
208: cmd_interrupt(int signo)
209: {
210: const char msg[] = "\rInterrupt \n";
1.59 djm 211: int olderrno = errno;
1.46 djm 212:
1.144 dtucker 213: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 214: interrupted = 1;
1.59 djm 215: errno = olderrno;
1.46 djm 216: }
217:
218: static void
1.44 djm 219: help(void)
220: {
1.106 sobrado 221: printf("Available commands:\n"
222: "bye Quit sftp\n"
223: "cd path Change remote directory to 'path'\n"
224: "chgrp grp path Change group of file 'path' to 'grp'\n"
225: "chmod mode path Change permissions of file 'path' to 'mode'\n"
226: "chown own path Change owner of file 'path' to 'own'\n"
227: "df [-hi] [path] Display statistics for current directory or\n"
228: " filesystem containing 'path'\n"
229: "exit Quit sftp\n"
1.121 jmc 230: "get [-Ppr] remote [local] Download file\n"
1.148 djm 231: "reget remote [local] Resume download file\n"
1.106 sobrado 232: "help Display this help text\n"
233: "lcd path Change local directory to 'path'\n"
234: "lls [ls-options [path]] Display local directory listing\n"
235: "lmkdir path Create local directory\n"
1.132 djm 236: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 237: "lpwd Print local working directory\n"
1.121 jmc 238: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 239: "lumask umask Set local umask to 'umask'\n"
240: "mkdir path Create remote directory\n"
241: "progress Toggle display of progress meter\n"
1.121 jmc 242: "put [-Ppr] local [remote] Upload file\n"
1.106 sobrado 243: "pwd Display remote working directory\n"
244: "quit Quit sftp\n"
245: "rename oldpath newpath Rename remote file\n"
246: "rm path Delete remote file\n"
247: "rmdir path Remove remote directory\n"
248: "symlink oldpath newpath Symlink remote file\n"
249: "version Show SFTP version\n"
250: "!command Execute 'command' in local shell\n"
251: "! Escape to local shell\n"
252: "? Synonym for help\n");
1.44 djm 253: }
254:
255: static void
256: local_do_shell(const char *args)
257: {
258: int status;
259: char *shell;
260: pid_t pid;
261:
262: if (!*args)
263: args = NULL;
264:
1.130 djm 265: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 266: shell = _PATH_BSHELL;
267:
268: if ((pid = fork()) == -1)
269: fatal("Couldn't fork: %s", strerror(errno));
270:
271: if (pid == 0) {
272: /* XXX: child has pipe fds to ssh subproc open - issue? */
273: if (args) {
274: debug3("Executing %s -c \"%s\"", shell, args);
275: execl(shell, shell, "-c", args, (char *)NULL);
276: } else {
277: debug3("Executing %s", shell);
278: execl(shell, shell, (char *)NULL);
279: }
280: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
281: strerror(errno));
282: _exit(1);
283: }
284: while (waitpid(pid, &status, 0) == -1)
285: if (errno != EINTR)
286: fatal("Couldn't wait for child: %s", strerror(errno));
287: if (!WIFEXITED(status))
1.78 djm 288: error("Shell exited abnormally");
1.44 djm 289: else if (WEXITSTATUS(status))
290: error("Shell exited with status %d", WEXITSTATUS(status));
291: }
292:
293: static void
294: local_do_ls(const char *args)
295: {
296: if (!args || !*args)
297: local_do_shell(_PATH_LS);
298: else {
299: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
300: char *buf = xmalloc(len);
301:
302: /* XXX: quoting - rip quoting code from ftp? */
303: snprintf(buf, len, _PATH_LS " %s", args);
304: local_do_shell(buf);
1.145 djm 305: free(buf);
1.44 djm 306: }
307: }
308:
309: /* Strip one path (usually the pwd) from the start of another */
310: static char *
311: path_strip(char *path, char *strip)
312: {
313: size_t len;
314:
315: if (strip == NULL)
316: return (xstrdup(path));
317:
318: len = strlen(strip);
1.59 djm 319: if (strncmp(path, strip, len) == 0) {
1.44 djm 320: if (strip[len - 1] != '/' && path[len] == '/')
321: len++;
322: return (xstrdup(path + len));
323: }
324:
325: return (xstrdup(path));
326: }
327:
328: static char *
329: make_absolute(char *p, char *pwd)
330: {
1.51 avsm 331: char *abs_str;
1.44 djm 332:
333: /* Derelativise */
334: if (p && p[0] != '/') {
1.51 avsm 335: abs_str = path_append(pwd, p);
1.145 djm 336: free(p);
1.51 avsm 337: return(abs_str);
1.44 djm 338: } else
339: return(p);
340: }
341:
342: static int
1.148 djm 343: parse_getput_flags(const char *cmd, char **argv, int argc,
1.156 djm 344: int *aflag, int *fflag, int *pflag, int *rflag)
1.44 djm 345: {
1.102 martynas 346: extern int opterr, optind, optopt, optreset;
1.97 djm 347: int ch;
1.44 djm 348:
1.97 djm 349: optind = optreset = 1;
350: opterr = 0;
351:
1.156 djm 352: *aflag = *fflag = *rflag = *pflag = 0;
353: while ((ch = getopt(argc, argv, "afPpRr")) != -1) {
1.97 djm 354: switch (ch) {
1.148 djm 355: case 'a':
356: *aflag = 1;
357: break;
1.156 djm 358: case 'f':
359: *fflag = 1;
360: break;
1.44 djm 361: case 'p':
362: case 'P':
363: *pflag = 1;
364: break;
1.111 djm 365: case 'r':
366: case 'R':
367: *rflag = 1;
368: break;
1.44 djm 369: default:
1.102 martynas 370: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 371: return -1;
1.44 djm 372: }
373: }
374:
1.97 djm 375: return optind;
1.44 djm 376: }
377:
378: static int
1.132 djm 379: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
380: {
381: extern int opterr, optind, optopt, optreset;
382: int ch;
383:
384: optind = optreset = 1;
385: opterr = 0;
386:
387: *sflag = 0;
388: while ((ch = getopt(argc, argv, "s")) != -1) {
389: switch (ch) {
390: case 's':
391: *sflag = 1;
392: break;
393: default:
394: error("%s: Invalid flag -%c", cmd, optopt);
395: return -1;
396: }
397: }
398:
399: return optind;
400: }
401:
402: static int
1.152 djm 403: parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag)
404: {
405: extern int opterr, optind, optopt, optreset;
406: int ch;
407:
408: optind = optreset = 1;
409: opterr = 0;
410:
411: *lflag = 0;
412: while ((ch = getopt(argc, argv, "l")) != -1) {
413: switch (ch) {
414: case 'l':
415: *lflag = 1;
416: break;
417: default:
418: error("%s: Invalid flag -%c", cmd, optopt);
419: return -1;
420: }
421: }
422:
423: return optind;
424: }
425:
426: static int
1.97 djm 427: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 428: {
1.102 martynas 429: extern int opterr, optind, optopt, optreset;
1.97 djm 430: int ch;
431:
432: optind = optreset = 1;
433: opterr = 0;
1.44 djm 434:
1.53 djm 435: *lflag = LS_NAME_SORT;
1.119 djm 436: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 437: switch (ch) {
438: case '1':
439: *lflag &= ~VIEW_FLAGS;
440: *lflag |= LS_SHORT_VIEW;
441: break;
442: case 'S':
443: *lflag &= ~SORT_FLAGS;
444: *lflag |= LS_SIZE_SORT;
445: break;
446: case 'a':
447: *lflag |= LS_SHOW_ALL;
448: break;
449: case 'f':
450: *lflag &= ~SORT_FLAGS;
451: break;
1.119 djm 452: case 'h':
453: *lflag |= LS_SI_UNITS;
454: break;
1.97 djm 455: case 'l':
1.119 djm 456: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 457: *lflag |= LS_LONG_VIEW;
458: break;
459: case 'n':
1.119 djm 460: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 461: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
462: break;
463: case 'r':
464: *lflag |= LS_REVERSE_SORT;
465: break;
466: case 't':
467: *lflag &= ~SORT_FLAGS;
468: *lflag |= LS_TIME_SORT;
469: break;
470: default:
1.102 martynas 471: error("ls: Invalid flag -%c", optopt);
1.97 djm 472: return -1;
1.44 djm 473: }
474: }
475:
1.97 djm 476: return optind;
1.44 djm 477: }
478:
479: static int
1.100 djm 480: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
481: {
1.102 martynas 482: extern int opterr, optind, optopt, optreset;
1.100 djm 483: int ch;
484:
485: optind = optreset = 1;
486: opterr = 0;
487:
488: *hflag = *iflag = 0;
489: while ((ch = getopt(argc, argv, "hi")) != -1) {
490: switch (ch) {
491: case 'h':
492: *hflag = 1;
493: break;
494: case 'i':
495: *iflag = 1;
496: break;
497: default:
1.102 martynas 498: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 499: return -1;
500: }
501: }
502:
503: return optind;
504: }
505:
506: static int
1.153 djm 507: parse_no_flags(const char *cmd, char **argv, int argc)
508: {
509: extern int opterr, optind, optopt, optreset;
510: int ch;
511:
512: optind = optreset = 1;
513: opterr = 0;
514:
515: while ((ch = getopt(argc, argv, "")) != -1) {
516: switch (ch) {
517: default:
518: error("%s: Invalid flag -%c", cmd, optopt);
519: return -1;
520: }
521: }
522:
523: return optind;
524: }
525:
526: static int
1.44 djm 527: is_dir(char *path)
528: {
529: struct stat sb;
530:
531: /* XXX: report errors? */
532: if (stat(path, &sb) == -1)
533: return(0);
534:
1.92 otto 535: return(S_ISDIR(sb.st_mode));
1.44 djm 536: }
537:
538: static int
539: remote_is_dir(struct sftp_conn *conn, char *path)
540: {
541: Attrib *a;
542:
543: /* XXX: report errors? */
544: if ((a = do_stat(conn, path, 1)) == NULL)
545: return(0);
546: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
547: return(0);
1.92 otto 548: return(S_ISDIR(a->perm));
1.44 djm 549: }
550:
1.111 djm 551: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
552: static int
553: pathname_is_dir(char *pathname)
554: {
555: size_t l = strlen(pathname);
556:
557: return l > 0 && pathname[l - 1] == '/';
558: }
559:
1.44 djm 560: static int
1.111 djm 561: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
1.156 djm 562: int pflag, int rflag, int resume, int fflag)
1.44 djm 563: {
564: char *abs_src = NULL;
565: char *abs_dst = NULL;
566: glob_t g;
1.111 djm 567: char *filename, *tmp=NULL;
568: int i, err = 0;
1.44 djm 569:
570: abs_src = xstrdup(src);
571: abs_src = make_absolute(abs_src, pwd);
1.111 djm 572: memset(&g, 0, sizeof(g));
1.44 djm 573:
574: debug3("Looking up %s", abs_src);
1.111 djm 575: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 576: error("File \"%s\" not found.", abs_src);
577: err = -1;
578: goto out;
579: }
580:
1.111 djm 581: /*
582: * If multiple matches then dst must be a directory or
583: * unspecified.
584: */
585: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
586: error("Multiple source paths, but destination "
587: "\"%s\" is not a directory", dst);
1.44 djm 588: err = -1;
589: goto out;
590: }
591:
1.46 djm 592: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 593: tmp = xstrdup(g.gl_pathv[i]);
594: if ((filename = basename(tmp)) == NULL) {
595: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 596: free(tmp);
1.44 djm 597: err = -1;
598: goto out;
599: }
600:
601: if (g.gl_matchc == 1 && dst) {
602: if (is_dir(dst)) {
1.111 djm 603: abs_dst = path_append(dst, filename);
604: } else {
1.44 djm 605: abs_dst = xstrdup(dst);
1.111 djm 606: }
1.44 djm 607: } else if (dst) {
1.111 djm 608: abs_dst = path_append(dst, filename);
609: } else {
610: abs_dst = xstrdup(filename);
611: }
1.145 djm 612: free(tmp);
1.44 djm 613:
1.148 djm 614: resume |= global_aflag;
615: if (!quiet && resume)
616: printf("Resuming %s to %s\n", g.gl_pathv[i], abs_dst);
617: else if (!quiet && !resume)
1.143 djm 618: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 619: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 620: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 621: pflag || global_pflag, 1, resume,
622: fflag || global_fflag) == -1)
1.111 djm 623: err = -1;
624: } else {
625: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 626: pflag || global_pflag, resume,
627: fflag || global_fflag) == -1)
1.111 djm 628: err = -1;
629: }
1.145 djm 630: free(abs_dst);
1.44 djm 631: abs_dst = NULL;
632: }
633:
634: out:
1.145 djm 635: free(abs_src);
1.44 djm 636: globfree(&g);
637: return(err);
638: }
639:
640: static int
1.111 djm 641: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
1.156 djm 642: int pflag, int rflag, int fflag)
1.44 djm 643: {
644: char *tmp_dst = NULL;
645: char *abs_dst = NULL;
1.111 djm 646: char *tmp = NULL, *filename = NULL;
1.44 djm 647: glob_t g;
648: int err = 0;
1.111 djm 649: int i, dst_is_dir = 1;
1.99 djm 650: struct stat sb;
1.44 djm 651:
652: if (dst) {
653: tmp_dst = xstrdup(dst);
654: tmp_dst = make_absolute(tmp_dst, pwd);
655: }
656:
657: memset(&g, 0, sizeof(g));
658: debug3("Looking up %s", src);
1.111 djm 659: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 660: error("File \"%s\" not found.", src);
661: err = -1;
662: goto out;
663: }
664:
1.111 djm 665: /* If we aren't fetching to pwd then stash this status for later */
666: if (tmp_dst != NULL)
667: dst_is_dir = remote_is_dir(conn, tmp_dst);
668:
1.44 djm 669: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 670: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
671: error("Multiple paths match, but destination "
672: "\"%s\" is not a directory", tmp_dst);
1.44 djm 673: err = -1;
674: goto out;
675: }
676:
1.46 djm 677: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 678: if (stat(g.gl_pathv[i], &sb) == -1) {
679: err = -1;
680: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
681: continue;
682: }
1.149 djm 683:
1.111 djm 684: tmp = xstrdup(g.gl_pathv[i]);
685: if ((filename = basename(tmp)) == NULL) {
686: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 687: free(tmp);
1.44 djm 688: err = -1;
689: goto out;
690: }
691:
692: if (g.gl_matchc == 1 && tmp_dst) {
693: /* If directory specified, append filename */
1.111 djm 694: if (dst_is_dir)
695: abs_dst = path_append(tmp_dst, filename);
696: else
1.44 djm 697: abs_dst = xstrdup(tmp_dst);
698: } else if (tmp_dst) {
1.111 djm 699: abs_dst = path_append(tmp_dst, filename);
700: } else {
701: abs_dst = make_absolute(xstrdup(filename), pwd);
702: }
1.145 djm 703: free(tmp);
1.44 djm 704:
1.143 djm 705: if (!quiet)
706: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 707: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
708: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.156 djm 709: pflag || global_pflag, 1,
710: fflag || global_fflag) == -1)
1.111 djm 711: err = -1;
712: } else {
713: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.156 djm 714: pflag || global_pflag,
715: fflag || global_fflag) == -1)
1.111 djm 716: err = -1;
717: }
1.44 djm 718: }
719:
720: out:
1.145 djm 721: free(abs_dst);
722: free(tmp_dst);
1.44 djm 723: globfree(&g);
724: return(err);
725: }
726:
727: static int
728: sdirent_comp(const void *aa, const void *bb)
729: {
730: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
731: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 732: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 733:
1.52 djm 734: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 735: if (sort_flag & LS_NAME_SORT)
1.52 djm 736: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 737: else if (sort_flag & LS_TIME_SORT)
1.52 djm 738: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 739: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 740: return (rmul * NCMP(a->a.size, b->a.size));
741:
742: fatal("Unknown ls sort type");
1.44 djm 743: }
744:
745: /* sftp ls.1 replacement for directories */
746: static int
747: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
748: {
1.64 djm 749: int n;
750: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 751: SFTP_DIRENT **d;
752:
753: if ((n = do_readdir(conn, path, &d)) != 0)
754: return (n);
755:
1.53 djm 756: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 757: u_int m = 0, width = 80;
1.44 djm 758: struct winsize ws;
759: char *tmp;
760:
761: /* Count entries for sort and find longest filename */
1.54 djm 762: for (n = 0; d[n] != NULL; n++) {
763: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
764: m = MAX(m, strlen(d[n]->filename));
765: }
1.44 djm 766:
767: /* Add any subpath that also needs to be counted */
768: tmp = path_strip(path, strip_path);
769: m += strlen(tmp);
1.145 djm 770: free(tmp);
1.44 djm 771:
772: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
773: width = ws.ws_col;
774:
775: columns = width / (m + 2);
776: columns = MAX(columns, 1);
777: colspace = width / columns;
778: colspace = MIN(colspace, width);
779: }
780:
1.52 djm 781: if (lflag & SORT_FLAGS) {
1.68 dtucker 782: for (n = 0; d[n] != NULL; n++)
783: ; /* count entries */
1.53 djm 784: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 785: qsort(d, n, sizeof(*d), sdirent_comp);
786: }
1.44 djm 787:
1.46 djm 788: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 789: char *tmp, *fname;
1.54 djm 790:
791: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
792: continue;
1.44 djm 793:
794: tmp = path_append(path, d[n]->filename);
795: fname = path_strip(tmp, strip_path);
1.145 djm 796: free(tmp);
1.44 djm 797:
1.53 djm 798: if (lflag & LS_LONG_VIEW) {
1.119 djm 799: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 800: char *lname;
801: struct stat sb;
802:
803: memset(&sb, 0, sizeof(sb));
804: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 805: lname = ls_file(fname, &sb, 1,
806: (lflag & LS_SI_UNITS));
1.50 djm 807: printf("%s\n", lname);
1.145 djm 808: free(lname);
1.50 djm 809: } else
810: printf("%s\n", d[n]->longname);
1.44 djm 811: } else {
812: printf("%-*s", colspace, fname);
813: if (c >= columns) {
814: printf("\n");
815: c = 1;
816: } else
817: c++;
818: }
819:
1.145 djm 820: free(fname);
1.44 djm 821: }
822:
1.53 djm 823: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 824: printf("\n");
825:
826: free_sftp_dirents(d);
827: return (0);
828: }
829:
830: /* sftp ls.1 replacement which handles path globs */
831: static int
832: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
833: int lflag)
834: {
1.129 djm 835: char *fname, *lname;
1.44 djm 836: glob_t g;
1.128 djm 837: int err;
1.129 djm 838: struct winsize ws;
839: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 840:
841: memset(&g, 0, sizeof(g));
842:
1.128 djm 843: if (remote_glob(conn, path,
1.133 djm 844: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
845: NULL, &g) ||
1.128 djm 846: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 847: if (g.gl_pathc)
848: globfree(&g);
1.44 djm 849: error("Can't ls: \"%s\" not found", path);
1.128 djm 850: return -1;
1.44 djm 851: }
852:
1.46 djm 853: if (interrupted)
854: goto out;
855:
1.44 djm 856: /*
1.60 fgsch 857: * If the glob returns a single match and it is a directory,
858: * then just list its contents.
1.44 djm 859: */
1.128 djm 860: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
861: S_ISDIR(g.gl_statv[0]->st_mode)) {
862: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
863: globfree(&g);
864: return err;
1.44 djm 865: }
866:
1.129 djm 867: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
868: width = ws.ws_col;
869:
1.53 djm 870: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 871: /* Count entries for sort and find longest filename */
872: for (i = 0; g.gl_pathv[i]; i++)
873: m = MAX(m, strlen(g.gl_pathv[i]));
874:
875: columns = width / (m + 2);
876: columns = MAX(columns, 1);
877: colspace = width / columns;
878: }
879:
1.136 dtucker 880: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 881: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 882: if (lflag & LS_LONG_VIEW) {
1.128 djm 883: if (g.gl_statv[i] == NULL) {
884: error("no stat information for %s", fname);
885: continue;
886: }
887: lname = ls_file(fname, g.gl_statv[i], 1,
888: (lflag & LS_SI_UNITS));
1.44 djm 889: printf("%s\n", lname);
1.145 djm 890: free(lname);
1.44 djm 891: } else {
892: printf("%-*s", colspace, fname);
893: if (c >= columns) {
894: printf("\n");
895: c = 1;
896: } else
897: c++;
898: }
1.145 djm 899: free(fname);
1.44 djm 900: }
901:
1.53 djm 902: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 903: printf("\n");
904:
1.46 djm 905: out:
1.44 djm 906: if (g.gl_pathc)
907: globfree(&g);
908:
1.128 djm 909: return 0;
1.44 djm 910: }
911:
1.100 djm 912: static int
913: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
914: {
1.101 dtucker 915: struct sftp_statvfs st;
1.100 djm 916: char s_used[FMT_SCALED_STRSIZE];
917: char s_avail[FMT_SCALED_STRSIZE];
918: char s_root[FMT_SCALED_STRSIZE];
919: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 920: unsigned long long ffree;
1.100 djm 921:
922: if (do_statvfs(conn, path, &st, 1) == -1)
923: return -1;
924: if (iflag) {
1.114 dtucker 925: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 926: printf(" Inodes Used Avail "
927: "(root) %%Capacity\n");
928: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
929: (unsigned long long)st.f_files,
930: (unsigned long long)(st.f_files - st.f_ffree),
931: (unsigned long long)st.f_favail,
1.114 dtucker 932: (unsigned long long)st.f_ffree, ffree);
1.100 djm 933: } else if (hflag) {
934: strlcpy(s_used, "error", sizeof(s_used));
935: strlcpy(s_avail, "error", sizeof(s_avail));
936: strlcpy(s_root, "error", sizeof(s_root));
937: strlcpy(s_total, "error", sizeof(s_total));
938: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
939: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
940: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
941: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
942: printf(" Size Used Avail (root) %%Capacity\n");
943: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
944: s_total, s_used, s_avail, s_root,
945: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
946: st.f_blocks));
947: } else {
948: printf(" Size Used Avail "
949: "(root) %%Capacity\n");
950: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
951: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
952: (unsigned long long)(st.f_frsize *
953: (st.f_blocks - st.f_bfree) / 1024),
954: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
955: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
956: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
957: st.f_blocks));
958: }
959: return 0;
960: }
961:
1.97 djm 962: /*
963: * Undo escaping of glob sequences in place. Used to undo extra escaping
964: * applied in makeargv() when the string is destined for a function that
965: * does not glob it.
966: */
967: static void
968: undo_glob_escape(char *s)
969: {
970: size_t i, j;
971:
972: for (i = j = 0;;) {
973: if (s[i] == '\0') {
974: s[j] = '\0';
975: return;
976: }
977: if (s[i] != '\\') {
978: s[j++] = s[i++];
979: continue;
980: }
981: /* s[i] == '\\' */
982: ++i;
983: switch (s[i]) {
984: case '?':
985: case '[':
986: case '*':
987: case '\\':
988: s[j++] = s[i++];
989: break;
990: case '\0':
991: s[j++] = '\\';
992: s[j] = '\0';
993: return;
994: default:
995: s[j++] = '\\';
996: s[j++] = s[i++];
997: break;
998: }
999: }
1000: }
1001:
1002: /*
1003: * Split a string into an argument vector using sh(1)-style quoting,
1004: * comment and escaping rules, but with some tweaks to handle glob(3)
1005: * wildcards.
1.116 djm 1006: * The "sloppy" flag allows for recovery from missing terminating quote, for
1007: * use in parsing incomplete commandlines during tab autocompletion.
1008: *
1.97 djm 1009: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1010: *
1011: * If "lastquote" is not NULL, the quoting character used for the last
1012: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1013: *
1.116 djm 1014: * If "terminated" is not NULL, *terminated will be set to 1 when the
1015: * last argument's quote has been properly terminated or 0 otherwise.
1016: * This parameter is only of use if "sloppy" is set.
1.97 djm 1017: */
1018: #define MAXARGS 128
1019: #define MAXARGLEN 8192
1020: static char **
1.116 djm 1021: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1022: u_int *terminated)
1.97 djm 1023: {
1024: int argc, quot;
1025: size_t i, j;
1026: static char argvs[MAXARGLEN];
1027: static char *argv[MAXARGS + 1];
1028: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1029:
1030: *argcp = argc = 0;
1031: if (strlen(arg) > sizeof(argvs) - 1) {
1032: args_too_longs:
1033: error("string too long");
1034: return NULL;
1035: }
1.116 djm 1036: if (terminated != NULL)
1037: *terminated = 1;
1038: if (lastquote != NULL)
1039: *lastquote = '\0';
1.97 djm 1040: state = MA_START;
1041: i = j = 0;
1042: for (;;) {
1.141 markus 1043: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1044: error("Too many arguments.");
1045: return NULL;
1046: }
1.158 ! deraadt 1047: if (isspace((unsigned char)arg[i])) {
1.97 djm 1048: if (state == MA_UNQUOTED) {
1049: /* Terminate current argument */
1050: argvs[j++] = '\0';
1051: argc++;
1052: state = MA_START;
1053: } else if (state != MA_START)
1054: argvs[j++] = arg[i];
1055: } else if (arg[i] == '"' || arg[i] == '\'') {
1056: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1057: if (state == MA_START) {
1058: argv[argc] = argvs + j;
1059: state = q;
1.116 djm 1060: if (lastquote != NULL)
1061: *lastquote = arg[i];
1.149 djm 1062: } else if (state == MA_UNQUOTED)
1.97 djm 1063: state = q;
1064: else if (state == q)
1065: state = MA_UNQUOTED;
1066: else
1067: argvs[j++] = arg[i];
1068: } else if (arg[i] == '\\') {
1069: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1070: quot = state == MA_SQUOTE ? '\'' : '"';
1071: /* Unescape quote we are in */
1072: /* XXX support \n and friends? */
1073: if (arg[i + 1] == quot) {
1074: i++;
1075: argvs[j++] = arg[i];
1076: } else if (arg[i + 1] == '?' ||
1077: arg[i + 1] == '[' || arg[i + 1] == '*') {
1078: /*
1079: * Special case for sftp: append
1080: * double-escaped glob sequence -
1081: * glob will undo one level of
1082: * escaping. NB. string can grow here.
1083: */
1084: if (j >= sizeof(argvs) - 5)
1085: goto args_too_longs;
1086: argvs[j++] = '\\';
1087: argvs[j++] = arg[i++];
1088: argvs[j++] = '\\';
1089: argvs[j++] = arg[i];
1090: } else {
1091: argvs[j++] = arg[i++];
1092: argvs[j++] = arg[i];
1093: }
1094: } else {
1095: if (state == MA_START) {
1096: argv[argc] = argvs + j;
1097: state = MA_UNQUOTED;
1.116 djm 1098: if (lastquote != NULL)
1099: *lastquote = '\0';
1.97 djm 1100: }
1101: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1102: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1103: /*
1104: * Special case for sftp: append
1105: * escaped glob sequence -
1106: * glob will undo one level of
1107: * escaping.
1108: */
1109: argvs[j++] = arg[i++];
1110: argvs[j++] = arg[i];
1111: } else {
1112: /* Unescape everything */
1113: /* XXX support \n and friends? */
1114: i++;
1115: argvs[j++] = arg[i];
1116: }
1117: }
1118: } else if (arg[i] == '#') {
1119: if (state == MA_SQUOTE || state == MA_DQUOTE)
1120: argvs[j++] = arg[i];
1121: else
1122: goto string_done;
1123: } else if (arg[i] == '\0') {
1124: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1125: if (sloppy) {
1126: state = MA_UNQUOTED;
1127: if (terminated != NULL)
1128: *terminated = 0;
1129: goto string_done;
1130: }
1.97 djm 1131: error("Unterminated quoted argument");
1132: return NULL;
1133: }
1134: string_done:
1135: if (state == MA_UNQUOTED) {
1136: argvs[j++] = '\0';
1137: argc++;
1138: }
1139: break;
1140: } else {
1141: if (state == MA_START) {
1142: argv[argc] = argvs + j;
1143: state = MA_UNQUOTED;
1.116 djm 1144: if (lastquote != NULL)
1145: *lastquote = '\0';
1.97 djm 1146: }
1147: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1148: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1149: /*
1150: * Special case for sftp: escape quoted
1151: * glob(3) wildcards. NB. string can grow
1152: * here.
1153: */
1154: if (j >= sizeof(argvs) - 3)
1155: goto args_too_longs;
1156: argvs[j++] = '\\';
1157: argvs[j++] = arg[i];
1158: } else
1159: argvs[j++] = arg[i];
1160: }
1161: i++;
1162: }
1163: *argcp = argc;
1164: return argv;
1165: }
1166:
1.44 djm 1167: static int
1.156 djm 1168: parse_args(const char **cpp, int *ignore_errors, int *aflag, int *fflag,
1169: int *hflag, int *iflag, int *lflag, int *pflag, int *rflag, int *sflag,
1170: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1171: {
1172: const char *cmd, *cp = *cpp;
1.97 djm 1173: char *cp2, **argv;
1.44 djm 1174: int base = 0;
1175: long l;
1.97 djm 1176: int i, cmdnum, optidx, argc;
1.44 djm 1177:
1178: /* Skip leading whitespace */
1179: cp = cp + strspn(cp, WHITESPACE);
1180:
1181: /* Check for leading '-' (disable error processing) */
1.156 djm 1182: *ignore_errors = 0;
1.44 djm 1183: if (*cp == '-') {
1.156 djm 1184: *ignore_errors = 1;
1.44 djm 1185: cp++;
1.118 dtucker 1186: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1187: }
1.118 dtucker 1188:
1189: /* Ignore blank lines and lines which begin with comment '#' char */
1190: if (*cp == '\0' || *cp == '#')
1191: return (0);
1.44 djm 1192:
1.116 djm 1193: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1194: return -1;
1195:
1.44 djm 1196: /* Figure out which command we have */
1.97 djm 1197: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1198: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1199: break;
1200: }
1201: cmdnum = cmds[i].n;
1202: cmd = cmds[i].c;
1203:
1204: /* Special case */
1205: if (*cp == '!') {
1206: cp++;
1207: cmdnum = I_SHELL;
1208: } else if (cmdnum == -1) {
1209: error("Invalid command.");
1.97 djm 1210: return -1;
1.44 djm 1211: }
1212:
1213: /* Get arguments and parse flags */
1.156 djm 1214: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1215: *rflag = *sflag = 0;
1.44 djm 1216: *path1 = *path2 = NULL;
1.97 djm 1217: optidx = 1;
1.44 djm 1218: switch (cmdnum) {
1219: case I_GET:
1.148 djm 1220: case I_REGET:
1.44 djm 1221: case I_PUT:
1.132 djm 1222: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1223: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1224: return -1;
1.44 djm 1225: /* Get first pathname (mandatory) */
1.97 djm 1226: if (argc - optidx < 1) {
1.44 djm 1227: error("You must specify at least one path after a "
1228: "%s command.", cmd);
1.97 djm 1229: return -1;
1230: }
1231: *path1 = xstrdup(argv[optidx]);
1232: /* Get second pathname (optional) */
1233: if (argc - optidx > 1) {
1234: *path2 = xstrdup(argv[optidx + 1]);
1235: /* Destination is not globbed */
1236: undo_glob_escape(*path2);
1.44 djm 1237: }
1.148 djm 1238: if (*aflag && cmdnum == I_PUT) {
1239: /* XXX implement resume for uploads */
1240: error("Resume is not supported for uploads");
1241: return -1;
1242: }
1.44 djm 1243: break;
1.132 djm 1244: case I_LINK:
1245: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1246: return -1;
1.152 djm 1247: goto parse_two_paths;
1248: case I_RENAME:
1249: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1250: return -1;
1251: goto parse_two_paths;
1.132 djm 1252: case I_SYMLINK:
1.153 djm 1253: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1254: return -1;
1.152 djm 1255: parse_two_paths:
1.97 djm 1256: if (argc - optidx < 2) {
1.44 djm 1257: error("You must specify two paths after a %s "
1258: "command.", cmd);
1.97 djm 1259: return -1;
1.44 djm 1260: }
1.97 djm 1261: *path1 = xstrdup(argv[optidx]);
1262: *path2 = xstrdup(argv[optidx + 1]);
1263: /* Paths are not globbed */
1264: undo_glob_escape(*path1);
1265: undo_glob_escape(*path2);
1.44 djm 1266: break;
1267: case I_RM:
1268: case I_MKDIR:
1269: case I_RMDIR:
1270: case I_CHDIR:
1271: case I_LCHDIR:
1272: case I_LMKDIR:
1.153 djm 1273: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1274: return -1;
1.44 djm 1275: /* Get pathname (mandatory) */
1.97 djm 1276: if (argc - optidx < 1) {
1.44 djm 1277: error("You must specify a path after a %s command.",
1278: cmd);
1.97 djm 1279: return -1;
1.44 djm 1280: }
1.97 djm 1281: *path1 = xstrdup(argv[optidx]);
1282: /* Only "rm" globs */
1283: if (cmdnum != I_RM)
1284: undo_glob_escape(*path1);
1.44 djm 1285: break;
1.100 djm 1286: case I_DF:
1287: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1288: iflag)) == -1)
1289: return -1;
1290: /* Default to current directory if no path specified */
1291: if (argc - optidx < 1)
1292: *path1 = NULL;
1293: else {
1294: *path1 = xstrdup(argv[optidx]);
1295: undo_glob_escape(*path1);
1296: }
1297: break;
1.44 djm 1298: case I_LS:
1.97 djm 1299: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1300: return(-1);
1301: /* Path is optional */
1.97 djm 1302: if (argc - optidx > 0)
1303: *path1 = xstrdup(argv[optidx]);
1.44 djm 1304: break;
1305: case I_LLS:
1.98 djm 1306: /* Skip ls command and following whitespace */
1307: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1308: case I_SHELL:
1309: /* Uses the rest of the line */
1310: break;
1311: case I_LUMASK:
1312: case I_CHMOD:
1313: base = 8;
1314: case I_CHOWN:
1315: case I_CHGRP:
1.153 djm 1316: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1317: return -1;
1.44 djm 1318: /* Get numeric arg (mandatory) */
1.97 djm 1319: if (argc - optidx < 1)
1320: goto need_num_arg;
1.93 ray 1321: errno = 0;
1.97 djm 1322: l = strtol(argv[optidx], &cp2, base);
1323: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1324: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1325: l < 0) {
1326: need_num_arg:
1.44 djm 1327: error("You must supply a numeric argument "
1328: "to the %s command.", cmd);
1.97 djm 1329: return -1;
1.44 djm 1330: }
1331: *n_arg = l;
1.97 djm 1332: if (cmdnum == I_LUMASK)
1.44 djm 1333: break;
1334: /* Get pathname (mandatory) */
1.97 djm 1335: if (argc - optidx < 2) {
1.44 djm 1336: error("You must specify a path after a %s command.",
1337: cmd);
1.97 djm 1338: return -1;
1.44 djm 1339: }
1.97 djm 1340: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1341: break;
1342: case I_QUIT:
1343: case I_PWD:
1344: case I_LPWD:
1345: case I_HELP:
1346: case I_VERSION:
1347: case I_PROGRESS:
1.153 djm 1348: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1349: return -1;
1.44 djm 1350: break;
1351: default:
1352: fatal("Command not implemented");
1353: }
1354:
1355: *cpp = cp;
1356: return(cmdnum);
1357: }
1358:
1359: static int
1360: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1361: int err_abort)
1362: {
1363: char *path1, *path2, *tmp;
1.156 djm 1364: int ignore_errors = 0, aflag = 0, fflag = 0, hflag = 0, iflag = 0;
1365: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1366: int cmdnum, i;
1.107 dtucker 1367: unsigned long n_arg = 0;
1.44 djm 1368: Attrib a, *aa;
1369: char path_buf[MAXPATHLEN];
1370: int err = 0;
1371: glob_t g;
1372:
1373: path1 = path2 = NULL;
1.156 djm 1374: cmdnum = parse_args(&cmd, &ignore_errors, &aflag, &fflag, &hflag,
1375: &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg, &path1, &path2);
1376: if (ignore_errors != 0)
1.44 djm 1377: err_abort = 0;
1378:
1379: memset(&g, 0, sizeof(g));
1380:
1381: /* Perform command */
1382: switch (cmdnum) {
1383: case 0:
1384: /* Blank line */
1385: break;
1386: case -1:
1387: /* Unrecognized command */
1388: err = -1;
1389: break;
1.148 djm 1390: case I_REGET:
1391: aflag = 1;
1392: /* FALLTHROUGH */
1.44 djm 1393: case I_GET:
1.148 djm 1394: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1395: rflag, aflag, fflag);
1.44 djm 1396: break;
1397: case I_PUT:
1.156 djm 1398: err = process_put(conn, path1, path2, *pwd, pflag,
1399: rflag, fflag);
1.44 djm 1400: break;
1401: case I_RENAME:
1402: path1 = make_absolute(path1, *pwd);
1403: path2 = make_absolute(path2, *pwd);
1.152 djm 1404: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1405: break;
1406: case I_SYMLINK:
1.132 djm 1407: sflag = 1;
1408: case I_LINK:
1.151 djm 1409: if (!sflag)
1410: path1 = make_absolute(path1, *pwd);
1.44 djm 1411: path2 = make_absolute(path2, *pwd);
1.132 djm 1412: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1413: break;
1414: case I_RM:
1415: path1 = make_absolute(path1, *pwd);
1416: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1417: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1418: if (!quiet)
1419: printf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1420: err = do_rm(conn, g.gl_pathv[i]);
1421: if (err != 0 && err_abort)
1422: break;
1423: }
1424: break;
1425: case I_MKDIR:
1426: path1 = make_absolute(path1, *pwd);
1427: attrib_clear(&a);
1428: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1429: a.perm = 0777;
1.111 djm 1430: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1431: break;
1432: case I_RMDIR:
1433: path1 = make_absolute(path1, *pwd);
1434: err = do_rmdir(conn, path1);
1435: break;
1436: case I_CHDIR:
1437: path1 = make_absolute(path1, *pwd);
1438: if ((tmp = do_realpath(conn, path1)) == NULL) {
1439: err = 1;
1440: break;
1441: }
1442: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1443: free(tmp);
1.44 djm 1444: err = 1;
1445: break;
1446: }
1447: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1448: error("Can't change directory: Can't check target");
1.145 djm 1449: free(tmp);
1.44 djm 1450: err = 1;
1451: break;
1452: }
1453: if (!S_ISDIR(aa->perm)) {
1454: error("Can't change directory: \"%s\" is not "
1455: "a directory", tmp);
1.145 djm 1456: free(tmp);
1.44 djm 1457: err = 1;
1458: break;
1459: }
1.145 djm 1460: free(*pwd);
1.44 djm 1461: *pwd = tmp;
1462: break;
1463: case I_LS:
1464: if (!path1) {
1.125 djm 1465: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1466: break;
1467: }
1468:
1469: /* Strip pwd off beginning of non-absolute paths */
1470: tmp = NULL;
1471: if (*path1 != '/')
1472: tmp = *pwd;
1473:
1474: path1 = make_absolute(path1, *pwd);
1475: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1476: break;
1477: case I_DF:
1478: /* Default to current directory if no path specified */
1479: if (path1 == NULL)
1480: path1 = xstrdup(*pwd);
1481: path1 = make_absolute(path1, *pwd);
1482: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1483: break;
1484: case I_LCHDIR:
1485: if (chdir(path1) == -1) {
1486: error("Couldn't change local directory to "
1487: "\"%s\": %s", path1, strerror(errno));
1488: err = 1;
1489: }
1490: break;
1491: case I_LMKDIR:
1492: if (mkdir(path1, 0777) == -1) {
1493: error("Couldn't create local directory "
1494: "\"%s\": %s", path1, strerror(errno));
1495: err = 1;
1496: }
1497: break;
1498: case I_LLS:
1499: local_do_ls(cmd);
1500: break;
1501: case I_SHELL:
1502: local_do_shell(cmd);
1503: break;
1504: case I_LUMASK:
1505: umask(n_arg);
1506: printf("Local umask: %03lo\n", n_arg);
1507: break;
1508: case I_CHMOD:
1509: path1 = make_absolute(path1, *pwd);
1510: attrib_clear(&a);
1511: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1512: a.perm = n_arg;
1513: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1514: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1515: if (!quiet)
1516: printf("Changing mode on %s\n", g.gl_pathv[i]);
1.44 djm 1517: err = do_setstat(conn, g.gl_pathv[i], &a);
1518: if (err != 0 && err_abort)
1519: break;
1520: }
1521: break;
1522: case I_CHOWN:
1523: case I_CHGRP:
1524: path1 = make_absolute(path1, *pwd);
1525: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1526: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1527: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1528: if (err_abort) {
1529: err = -1;
1.44 djm 1530: break;
1.104 djm 1531: } else
1.44 djm 1532: continue;
1533: }
1534: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1535: error("Can't get current ownership of "
1536: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1537: if (err_abort) {
1538: err = -1;
1.44 djm 1539: break;
1.104 djm 1540: } else
1.44 djm 1541: continue;
1542: }
1543: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1544: if (cmdnum == I_CHOWN) {
1.143 djm 1545: if (!quiet)
1546: printf("Changing owner on %s\n",
1547: g.gl_pathv[i]);
1.44 djm 1548: aa->uid = n_arg;
1549: } else {
1.143 djm 1550: if (!quiet)
1551: printf("Changing group on %s\n",
1552: g.gl_pathv[i]);
1.44 djm 1553: aa->gid = n_arg;
1554: }
1555: err = do_setstat(conn, g.gl_pathv[i], aa);
1556: if (err != 0 && err_abort)
1557: break;
1558: }
1559: break;
1560: case I_PWD:
1561: printf("Remote working directory: %s\n", *pwd);
1562: break;
1563: case I_LPWD:
1564: if (!getcwd(path_buf, sizeof(path_buf))) {
1565: error("Couldn't get local cwd: %s", strerror(errno));
1566: err = -1;
1567: break;
1568: }
1569: printf("Local working directory: %s\n", path_buf);
1570: break;
1571: case I_QUIT:
1572: /* Processed below */
1573: break;
1574: case I_HELP:
1575: help();
1576: break;
1577: case I_VERSION:
1578: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1579: break;
1580: case I_PROGRESS:
1581: showprogress = !showprogress;
1582: if (showprogress)
1583: printf("Progress meter enabled\n");
1584: else
1585: printf("Progress meter disabled\n");
1586: break;
1587: default:
1588: fatal("%d is not implemented", cmdnum);
1589: }
1590:
1591: if (g.gl_pathc)
1592: globfree(&g);
1.145 djm 1593: free(path1);
1594: free(path2);
1.44 djm 1595:
1596: /* If an unignored error occurs in batch mode we should abort. */
1597: if (err_abort && err != 0)
1598: return (-1);
1599: else if (cmdnum == I_QUIT)
1600: return (1);
1601:
1602: return (0);
1603: }
1604:
1.57 djm 1605: static char *
1606: prompt(EditLine *el)
1607: {
1608: return ("sftp> ");
1609: }
1610:
1.116 djm 1611: /* Display entries in 'list' after skipping the first 'len' chars */
1612: static void
1613: complete_display(char **list, u_int len)
1614: {
1615: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1616: struct winsize ws;
1617: char *tmp;
1618:
1619: /* Count entries for sort and find longest */
1.149 djm 1620: for (y = 0; list[y]; y++)
1.116 djm 1621: m = MAX(m, strlen(list[y]));
1622:
1623: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1624: width = ws.ws_col;
1625:
1626: m = m > len ? m - len : 0;
1627: columns = width / (m + 2);
1628: columns = MAX(columns, 1);
1629: colspace = width / columns;
1630: colspace = MIN(colspace, width);
1631:
1632: printf("\n");
1633: m = 1;
1634: for (y = 0; list[y]; y++) {
1635: llen = strlen(list[y]);
1636: tmp = llen > len ? list[y] + len : "";
1637: printf("%-*s", colspace, tmp);
1638: if (m >= columns) {
1639: printf("\n");
1640: m = 1;
1641: } else
1642: m++;
1643: }
1644: printf("\n");
1645: }
1646:
1647: /*
1648: * Given a "list" of words that begin with a common prefix of "word",
1649: * attempt to find an autocompletion to extends "word" by the next
1650: * characters common to all entries in "list".
1651: */
1652: static char *
1653: complete_ambiguous(const char *word, char **list, size_t count)
1654: {
1655: if (word == NULL)
1656: return NULL;
1657:
1658: if (count > 0) {
1659: u_int y, matchlen = strlen(list[0]);
1660:
1661: /* Find length of common stem */
1662: for (y = 1; list[y]; y++) {
1663: u_int x;
1664:
1.149 djm 1665: for (x = 0; x < matchlen; x++)
1666: if (list[0][x] != list[y][x])
1.116 djm 1667: break;
1668:
1669: matchlen = x;
1670: }
1671:
1672: if (matchlen > strlen(word)) {
1673: char *tmp = xstrdup(list[0]);
1674:
1.117 dtucker 1675: tmp[matchlen] = '\0';
1.116 djm 1676: return tmp;
1677: }
1.149 djm 1678: }
1.116 djm 1679:
1680: return xstrdup(word);
1681: }
1682:
1683: /* Autocomplete a sftp command */
1684: static int
1685: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1686: int terminated)
1687: {
1688: u_int y, count = 0, cmdlen, tmplen;
1689: char *tmp, **list, argterm[3];
1690: const LineInfo *lf;
1691:
1692: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1693:
1694: /* No command specified: display all available commands */
1695: if (cmd == NULL) {
1696: for (y = 0; cmds[y].c; y++)
1697: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1698:
1.116 djm 1699: list[count] = NULL;
1700: complete_display(list, 0);
1701:
1.149 djm 1702: for (y = 0; list[y] != NULL; y++)
1703: free(list[y]);
1.145 djm 1704: free(list);
1.116 djm 1705: return count;
1706: }
1707:
1708: /* Prepare subset of commands that start with "cmd" */
1709: cmdlen = strlen(cmd);
1710: for (y = 0; cmds[y].c; y++) {
1.149 djm 1711: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1712: list[count++] = xstrdup(cmds[y].c);
1713: }
1714: list[count] = NULL;
1715:
1.134 oga 1716: if (count == 0) {
1.145 djm 1717: free(list);
1.116 djm 1718: return 0;
1.134 oga 1719: }
1.116 djm 1720:
1721: /* Complete ambigious command */
1722: tmp = complete_ambiguous(cmd, list, count);
1723: if (count > 1)
1724: complete_display(list, 0);
1725:
1.149 djm 1726: for (y = 0; list[y]; y++)
1727: free(list[y]);
1.145 djm 1728: free(list);
1.116 djm 1729:
1730: if (tmp != NULL) {
1731: tmplen = strlen(tmp);
1732: cmdlen = strlen(cmd);
1733: /* If cmd may be extended then do so */
1734: if (tmplen > cmdlen)
1735: if (el_insertstr(el, tmp + cmdlen) == -1)
1736: fatal("el_insertstr failed.");
1737: lf = el_line(el);
1738: /* Terminate argument cleanly */
1739: if (count == 1) {
1740: y = 0;
1741: if (!terminated)
1742: argterm[y++] = quote;
1743: if (lastarg || *(lf->cursor) != ' ')
1744: argterm[y++] = ' ';
1745: argterm[y] = '\0';
1746: if (y > 0 && el_insertstr(el, argterm) == -1)
1747: fatal("el_insertstr failed.");
1748: }
1.145 djm 1749: free(tmp);
1.116 djm 1750: }
1751:
1752: return count;
1753: }
1754:
1755: /*
1756: * Determine whether a particular sftp command's arguments (if any)
1757: * represent local or remote files.
1758: */
1759: static int
1760: complete_is_remote(char *cmd) {
1761: int i;
1762:
1763: if (cmd == NULL)
1764: return -1;
1765:
1766: for (i = 0; cmds[i].c; i++) {
1.149 djm 1767: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1.116 djm 1768: return cmds[i].t;
1769: }
1770:
1771: return -1;
1772: }
1773:
1774: /* Autocomplete a filename "file" */
1775: static int
1776: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1777: char *file, int remote, int lastarg, char quote, int terminated)
1778: {
1779: glob_t g;
1.146 dtucker 1780: char *tmp, *tmp2, ins[8];
1.140 dtucker 1781: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1782: int clen;
1.116 djm 1783: const LineInfo *lf;
1.149 djm 1784:
1.116 djm 1785: /* Glob from "file" location */
1786: if (file == NULL)
1787: tmp = xstrdup("*");
1788: else
1789: xasprintf(&tmp, "%s*", file);
1790:
1.139 dtucker 1791: /* Check if the path is absolute. */
1792: isabs = tmp[0] == '/';
1793:
1.116 djm 1794: memset(&g, 0, sizeof(g));
1795: if (remote != LOCAL) {
1796: tmp = make_absolute(tmp, remote_path);
1797: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1798: } else
1.116 djm 1799: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1800:
1.116 djm 1801: /* Determine length of pwd so we can trim completion display */
1802: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1803: /* Terminate counting on first unescaped glob metacharacter */
1804: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1805: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1806: hadglob = 1;
1807: break;
1808: }
1809: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1810: tmplen++;
1811: if (tmp[tmplen] == '/')
1812: pwdlen = tmplen + 1; /* track last seen '/' */
1813: }
1.145 djm 1814: free(tmp);
1.116 djm 1815:
1.149 djm 1816: if (g.gl_matchc == 0)
1.116 djm 1817: goto out;
1818:
1819: if (g.gl_matchc > 1)
1820: complete_display(g.gl_pathv, pwdlen);
1821:
1822: tmp = NULL;
1823: /* Don't try to extend globs */
1824: if (file == NULL || hadglob)
1825: goto out;
1826:
1827: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1828: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1829: free(tmp2);
1.116 djm 1830:
1831: if (tmp == NULL)
1832: goto out;
1833:
1834: tmplen = strlen(tmp);
1835: filelen = strlen(file);
1836:
1.140 dtucker 1837: /* Count the number of escaped characters in the input string. */
1838: cesc = isesc = 0;
1839: for (i = 0; i < filelen; i++) {
1840: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1841: isesc = 1;
1842: cesc++;
1843: } else
1844: isesc = 0;
1845: }
1846:
1847: if (tmplen > (filelen - cesc)) {
1848: tmp2 = tmp + filelen - cesc;
1.149 djm 1849: len = strlen(tmp2);
1.116 djm 1850: /* quote argument on way out */
1.146 dtucker 1851: for (i = 0; i < len; i += clen) {
1852: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
1853: (size_t)clen > sizeof(ins) - 2)
1854: fatal("invalid multibyte character");
1.116 djm 1855: ins[0] = '\\';
1.146 dtucker 1856: memcpy(ins + 1, tmp2 + i, clen);
1857: ins[clen + 1] = '\0';
1.116 djm 1858: switch (tmp2[i]) {
1859: case '\'':
1860: case '"':
1861: case '\\':
1862: case '\t':
1.131 sthen 1863: case '[':
1.116 djm 1864: case ' ':
1.140 dtucker 1865: case '#':
1866: case '*':
1.116 djm 1867: if (quote == '\0' || tmp2[i] == quote) {
1868: if (el_insertstr(el, ins) == -1)
1869: fatal("el_insertstr "
1870: "failed.");
1871: break;
1872: }
1873: /* FALLTHROUGH */
1874: default:
1875: if (el_insertstr(el, ins + 1) == -1)
1876: fatal("el_insertstr failed.");
1877: break;
1878: }
1879: }
1880: }
1881:
1882: lf = el_line(el);
1883: if (g.gl_matchc == 1) {
1884: i = 0;
1885: if (!terminated)
1886: ins[i++] = quote;
1.120 djm 1887: if (*(lf->cursor - 1) != '/' &&
1888: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1889: ins[i++] = ' ';
1890: ins[i] = '\0';
1891: if (i > 0 && el_insertstr(el, ins) == -1)
1892: fatal("el_insertstr failed.");
1893: }
1.145 djm 1894: free(tmp);
1.116 djm 1895:
1896: out:
1897: globfree(&g);
1898: return g.gl_matchc;
1899: }
1900:
1901: /* tab-completion hook function, called via libedit */
1902: static unsigned char
1903: complete(EditLine *el, int ch)
1904: {
1.149 djm 1905: char **argv, *line, quote;
1.147 djm 1906: int argc, carg;
1907: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 1908: const LineInfo *lf;
1909: struct complete_ctx *complete_ctx;
1910:
1911: lf = el_line(el);
1912: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1913: fatal("%s: el_get failed", __func__);
1914:
1915: /* Figure out which argument the cursor points to */
1916: cursor = lf->cursor - lf->buffer;
1917: line = (char *)xmalloc(cursor + 1);
1918: memcpy(line, lf->buffer, cursor);
1919: line[cursor] = '\0';
1920: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 1921: free(line);
1.116 djm 1922:
1923: /* Get all the arguments on the line */
1924: len = lf->lastchar - lf->buffer;
1925: line = (char *)xmalloc(len + 1);
1926: memcpy(line, lf->buffer, len);
1927: line[len] = '\0';
1928: argv = makeargv(line, &argc, 1, NULL, NULL);
1929:
1930: /* Ensure cursor is at EOL or a argument boundary */
1931: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1932: line[cursor] != '\n') {
1.145 djm 1933: free(line);
1.116 djm 1934: return ret;
1935: }
1936:
1937: if (carg == 0) {
1938: /* Show all available commands */
1939: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1940: ret = CC_REDISPLAY;
1941: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1942: /* Handle the command parsing */
1943: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 1944: quote, terminated) != 0)
1.116 djm 1945: ret = CC_REDISPLAY;
1946: } else if (carg >= 1) {
1947: /* Handle file parsing */
1948: int remote = complete_is_remote(argv[0]);
1949: char *filematch = NULL;
1950:
1951: if (carg > 1 && line[cursor-1] != ' ')
1952: filematch = argv[carg - 1];
1953:
1954: if (remote != 0 &&
1955: complete_match(el, complete_ctx->conn,
1956: *complete_ctx->remote_pathp, filematch,
1.149 djm 1957: remote, carg == argc, quote, terminated) != 0)
1.116 djm 1958: ret = CC_REDISPLAY;
1959: }
1960:
1.149 djm 1961: free(line);
1.116 djm 1962: return ret;
1963: }
1964:
1.44 djm 1965: int
1.112 djm 1966: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1967: {
1.116 djm 1968: char *remote_path;
1.44 djm 1969: char *dir = NULL;
1970: char cmd[2048];
1.66 jaredy 1971: int err, interactive;
1.57 djm 1972: EditLine *el = NULL;
1973: History *hl = NULL;
1974: HistEvent hev;
1975: extern char *__progname;
1.116 djm 1976: struct complete_ctx complete_ctx;
1.57 djm 1977:
1978: if (!batchmode && isatty(STDIN_FILENO)) {
1979: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1980: fatal("Couldn't initialise editline");
1981: if ((hl = history_init()) == NULL)
1982: fatal("Couldn't initialise editline history");
1983: history(hl, &hev, H_SETSIZE, 100);
1984: el_set(el, EL_HIST, history, hl);
1985:
1986: el_set(el, EL_PROMPT, prompt);
1987: el_set(el, EL_EDITOR, "emacs");
1988: el_set(el, EL_TERMINAL, NULL);
1989: el_set(el, EL_SIGNAL, 1);
1990: el_source(el, NULL);
1.116 djm 1991:
1992: /* Tab Completion */
1.149 djm 1993: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 1994: "Context sensitive argument completion", complete);
1.116 djm 1995: complete_ctx.conn = conn;
1996: complete_ctx.remote_pathp = &remote_path;
1997: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
1998: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 1999: /* enable ctrl-left-arrow and ctrl-right-arrow */
2000: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
2001: el_set(el, EL_BIND, "\\e[5C", "em-next-word", NULL);
2002: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2003: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2004: /* make ^w match ksh behaviour */
2005: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2006: }
1.44 djm 2007:
1.116 djm 2008: remote_path = do_realpath(conn, ".");
2009: if (remote_path == NULL)
1.44 djm 2010: fatal("Need cwd");
2011:
2012: if (file1 != NULL) {
2013: dir = xstrdup(file1);
1.116 djm 2014: dir = make_absolute(dir, remote_path);
1.44 djm 2015:
2016: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2017: if (!quiet)
2018: printf("Changing to: %s\n", dir);
1.44 djm 2019: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2020: if (parse_dispatch_command(conn, cmd,
2021: &remote_path, 1) != 0) {
1.145 djm 2022: free(dir);
2023: free(remote_path);
2024: free(conn);
1.44 djm 2025: return (-1);
1.58 markus 2026: }
1.44 djm 2027: } else {
1.137 djm 2028: /* XXX this is wrong wrt quoting */
1.148 djm 2029: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2030: global_aflag ? " -a" : "", dir,
2031: file2 == NULL ? "" : " ",
2032: file2 == NULL ? "" : file2);
1.116 djm 2033: err = parse_dispatch_command(conn, cmd,
2034: &remote_path, 1);
1.145 djm 2035: free(dir);
2036: free(remote_path);
2037: free(conn);
1.44 djm 2038: return (err);
2039: }
1.145 djm 2040: free(dir);
1.44 djm 2041: }
2042:
1.135 djm 2043: setlinebuf(stdout);
2044: setlinebuf(infile);
1.44 djm 2045:
1.66 jaredy 2046: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2047: err = 0;
2048: for (;;) {
2049: char *cp;
1.57 djm 2050: const char *line;
2051: int count = 0;
1.44 djm 2052:
1.46 djm 2053: signal(SIGINT, SIG_IGN);
2054:
1.57 djm 2055: if (el == NULL) {
1.66 jaredy 2056: if (interactive)
2057: printf("sftp> ");
1.57 djm 2058: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2059: if (interactive)
2060: printf("\n");
1.57 djm 2061: break;
2062: }
1.66 jaredy 2063: if (!interactive) { /* Echo command */
2064: printf("sftp> %s", cmd);
2065: if (strlen(cmd) > 0 &&
2066: cmd[strlen(cmd) - 1] != '\n')
2067: printf("\n");
2068: }
1.57 djm 2069: } else {
1.116 djm 2070: if ((line = el_gets(el, &count)) == NULL ||
2071: count <= 0) {
1.66 jaredy 2072: printf("\n");
1.57 djm 2073: break;
1.66 jaredy 2074: }
1.57 djm 2075: history(hl, &hev, H_ENTER, line);
2076: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2077: fprintf(stderr, "Error: input line too long\n");
2078: continue;
2079: }
1.44 djm 2080: }
2081:
2082: cp = strrchr(cmd, '\n');
2083: if (cp)
2084: *cp = '\0';
2085:
1.46 djm 2086: /* Handle user interrupts gracefully during commands */
2087: interrupted = 0;
2088: signal(SIGINT, cmd_interrupt);
2089:
1.116 djm 2090: err = parse_dispatch_command(conn, cmd, &remote_path,
2091: batchmode);
1.44 djm 2092: if (err != 0)
2093: break;
2094: }
1.145 djm 2095: free(remote_path);
2096: free(conn);
1.66 jaredy 2097:
2098: if (el != NULL)
2099: el_end(el);
1.44 djm 2100:
2101: /* err == 1 signifies normal "quit" exit */
2102: return (err >= 0 ? 0 : -1);
2103: }
1.34 fgsch 2104:
1.18 itojun 2105: static void
1.36 djm 2106: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2107: {
2108: int c_in, c_out;
1.30 deraadt 2109:
1.1 djm 2110: int inout[2];
1.30 deraadt 2111:
1.1 djm 2112: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2113: fatal("socketpair: %s", strerror(errno));
2114: *in = *out = inout[0];
2115: c_in = c_out = inout[1];
2116:
1.36 djm 2117: if ((sshpid = fork()) == -1)
1.1 djm 2118: fatal("fork: %s", strerror(errno));
1.36 djm 2119: else if (sshpid == 0) {
1.1 djm 2120: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2121: (dup2(c_out, STDOUT_FILENO) == -1)) {
2122: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2123: _exit(1);
1.1 djm 2124: }
2125: close(*in);
2126: close(*out);
2127: close(c_in);
2128: close(c_out);
1.46 djm 2129:
2130: /*
2131: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2132: * ignore SIGINT if we want to gracefully abort commands,
2133: * otherwise the signal will make it to the ssh process and
1.122 guenther 2134: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2135: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2136: */
2137: signal(SIGINT, SIG_IGN);
1.122 guenther 2138: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2139: execvp(path, args);
1.23 djm 2140: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2141: _exit(1);
1.1 djm 2142: }
2143:
1.36 djm 2144: signal(SIGTERM, killchild);
2145: signal(SIGINT, killchild);
2146: signal(SIGHUP, killchild);
1.1 djm 2147: close(c_in);
2148: close(c_out);
2149: }
2150:
1.18 itojun 2151: static void
1.1 djm 2152: usage(void)
2153: {
1.25 mpech 2154: extern char *__progname;
1.27 markus 2155:
1.19 stevesk 2156: fprintf(stderr,
1.157 jmc 2157: "usage: %s [-1246aCfpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2158: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2159: "[-i identity_file] [-l limit]\n"
1.110 jmc 2160: " [-o ssh_option] [-P port] [-R num_requests] "
2161: "[-S program]\n"
1.108 djm 2162: " [-s subsystem | sftp_server] host\n"
1.105 djm 2163: " %s [user@]host[:file ...]\n"
2164: " %s [user@]host[:dir[/]]\n"
1.108 djm 2165: " %s -b batchfile [user@]host\n",
2166: __progname, __progname, __progname, __progname);
1.1 djm 2167: exit(1);
2168: }
2169:
1.2 stevesk 2170: int
1.1 djm 2171: main(int argc, char **argv)
2172: {
1.33 djm 2173: int in, out, ch, err;
1.117 dtucker 2174: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2175: int debug_level = 0, sshver = 2;
2176: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2177: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2178: const char *errstr;
1.17 mouring 2179: LogLevel ll = SYSLOG_LEVEL_INFO;
2180: arglist args;
1.3 djm 2181: extern int optind;
2182: extern char *optarg;
1.112 djm 2183: struct sftp_conn *conn;
2184: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2185: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2186: long long limit_kbps = 0;
1.67 djm 2187:
2188: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2189: sanitise_stdfd();
1.146 dtucker 2190: setlocale(LC_CTYPE, "");
1.1 djm 2191:
1.70 djm 2192: memset(&args, '\0', sizeof(args));
1.17 mouring 2193: args.list = NULL;
1.80 djm 2194: addargs(&args, "%s", ssh_program);
1.17 mouring 2195: addargs(&args, "-oForwardX11 no");
2196: addargs(&args, "-oForwardAgent no");
1.69 reyk 2197: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2198: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2199:
1.17 mouring 2200: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2201: infile = stdin;
1.3 djm 2202:
1.109 djm 2203: while ((ch = getopt(argc, argv,
1.156 djm 2204: "1246afhpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2205: switch (ch) {
1.108 djm 2206: /* Passed through to ssh(1) */
2207: case '4':
2208: case '6':
1.3 djm 2209: case 'C':
1.108 djm 2210: addargs(&args, "-%c", ch);
2211: break;
2212: /* Passed through to ssh(1) with argument */
2213: case 'F':
2214: case 'c':
2215: case 'i':
2216: case 'o':
1.113 halex 2217: addargs(&args, "-%c", ch);
2218: addargs(&args, "%s", optarg);
1.108 djm 2219: break;
2220: case 'q':
1.143 djm 2221: ll = SYSLOG_LEVEL_ERROR;
2222: quiet = 1;
1.108 djm 2223: showprogress = 0;
2224: addargs(&args, "-%c", ch);
1.3 djm 2225: break;
1.109 djm 2226: case 'P':
2227: addargs(&args, "-oPort %s", optarg);
2228: break;
1.3 djm 2229: case 'v':
1.17 mouring 2230: if (debug_level < 3) {
2231: addargs(&args, "-v");
2232: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2233: }
2234: debug_level++;
1.3 djm 2235: break;
1.7 markus 2236: case '1':
1.17 mouring 2237: sshver = 1;
1.7 markus 2238: if (sftp_server == NULL)
2239: sftp_server = _PATH_SFTP_SERVER;
2240: break;
1.108 djm 2241: case '2':
2242: sshver = 2;
1.148 djm 2243: break;
2244: case 'a':
2245: global_aflag = 1;
1.7 markus 2246: break;
1.108 djm 2247: case 'B':
2248: copy_buffer_len = strtol(optarg, &cp, 10);
2249: if (copy_buffer_len == 0 || *cp != '\0')
2250: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2251: break;
1.10 deraadt 2252: case 'b':
1.39 djm 2253: if (batchmode)
2254: fatal("Batch file already specified.");
2255:
2256: /* Allow "-" as stdin */
1.56 deraadt 2257: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2258: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2259: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2260: showprogress = 0;
1.143 djm 2261: quiet = batchmode = 1;
1.62 djm 2262: addargs(&args, "-obatchmode yes");
1.156 djm 2263: break;
2264: case 'f':
2265: global_fflag = 1;
1.10 deraadt 2266: break;
1.111 djm 2267: case 'p':
2268: global_pflag = 1;
2269: break;
1.109 djm 2270: case 'D':
1.23 djm 2271: sftp_direct = optarg;
1.111 djm 2272: break;
1.126 djm 2273: case 'l':
2274: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2275: &errstr);
2276: if (errstr != NULL)
2277: usage();
2278: limit_kbps *= 1024; /* kbps */
2279: break;
1.111 djm 2280: case 'r':
2281: global_rflag = 1;
1.24 djm 2282: break;
1.26 djm 2283: case 'R':
2284: num_requests = strtol(optarg, &cp, 10);
2285: if (num_requests == 0 || *cp != '\0')
1.27 markus 2286: fatal("Invalid number of requests \"%s\"",
1.26 djm 2287: optarg);
1.108 djm 2288: break;
2289: case 's':
2290: sftp_server = optarg;
2291: break;
2292: case 'S':
2293: ssh_program = optarg;
2294: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2295: break;
1.3 djm 2296: case 'h':
2297: default:
1.1 djm 2298: usage();
2299: }
2300: }
1.45 djm 2301:
2302: if (!isatty(STDERR_FILENO))
2303: showprogress = 0;
1.1 djm 2304:
1.29 markus 2305: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2306:
1.23 djm 2307: if (sftp_direct == NULL) {
2308: if (optind == argc || argc > (optind + 2))
2309: usage();
2310:
2311: userhost = xstrdup(argv[optind]);
2312: file2 = argv[optind+1];
1.1 djm 2313:
1.32 markus 2314: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2315: host = userhost;
2316: else {
2317: *host++ = '\0';
2318: if (!userhost[0]) {
2319: fprintf(stderr, "Missing username\n");
2320: usage();
2321: }
1.115 guenther 2322: addargs(&args, "-l");
2323: addargs(&args, "%s", userhost);
1.41 djm 2324: }
2325:
2326: if ((cp = colon(host)) != NULL) {
2327: *cp++ = '\0';
2328: file1 = cp;
1.23 djm 2329: }
1.3 djm 2330:
1.23 djm 2331: host = cleanhostname(host);
2332: if (!*host) {
2333: fprintf(stderr, "Missing hostname\n");
1.1 djm 2334: usage();
2335: }
2336:
1.23 djm 2337: addargs(&args, "-oProtocol %d", sshver);
2338:
2339: /* no subsystem if the server-spec contains a '/' */
2340: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2341: addargs(&args, "-s");
2342:
1.115 guenther 2343: addargs(&args, "--");
1.23 djm 2344: addargs(&args, "%s", host);
1.27 markus 2345: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2346: sftp_server : "sftp"));
2347:
1.36 djm 2348: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2349: } else {
2350: args.list = NULL;
2351: addargs(&args, "sftp-server");
2352:
1.36 djm 2353: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2354: }
1.70 djm 2355: freeargs(&args);
1.1 djm 2356:
1.126 djm 2357: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2358: if (conn == NULL)
2359: fatal("Couldn't initialise connection to server");
2360:
1.143 djm 2361: if (!quiet) {
1.112 djm 2362: if (sftp_direct == NULL)
2363: fprintf(stderr, "Connected to %s.\n", host);
2364: else
2365: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2366: }
2367:
2368: err = interactive_loop(conn, file1, file2);
1.1 djm 2369:
2370: close(in);
2371: close(out);
1.39 djm 2372: if (batchmode)
1.10 deraadt 2373: fclose(infile);
1.1 djm 2374:
1.28 markus 2375: while (waitpid(sshpid, NULL, 0) == -1)
2376: if (errno != EINTR)
2377: fatal("Couldn't wait for ssh process: %s",
2378: strerror(errno));
1.1 djm 2379:
1.33 djm 2380: exit(err == 0 ? 0 : 1);
1.1 djm 2381: }
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