Annotation of src/usr.bin/ssh/sftp.c, Revision 1.148
1.148 ! djm 1: /* $OpenBSD: sftp.c,v 1.147 2013/07/12 00:20:00 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:
1.148 ! 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:
1.46 djm 78: /* SIGINT received during command processing */
79: volatile sig_atomic_t interrupted = 0;
80:
1.52 djm 81: /* I wish qsort() took a separate ctx for the comparison function...*/
82: int sort_flag;
83:
1.116 djm 84: /* Context used for commandline completion */
85: struct complete_ctx {
86: struct sftp_conn *conn;
87: char **remote_pathp;
88: };
89:
1.44 djm 90: int remote_glob(struct sftp_conn *, const char *, int,
91: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
92:
93: /* Separators for interactive commands */
94: #define WHITESPACE " \t\r\n"
95:
1.52 djm 96: /* ls flags */
1.119 djm 97: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
98: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
99: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
100: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
101: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
102: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
103: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
104: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
105: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 106:
1.119 djm 107: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 108: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 109:
110: /* Commands for interactive mode */
111: #define I_CHDIR 1
112: #define I_CHGRP 2
113: #define I_CHMOD 3
114: #define I_CHOWN 4
1.100 djm 115: #define I_DF 24
1.44 djm 116: #define I_GET 5
117: #define I_HELP 6
118: #define I_LCHDIR 7
1.132 djm 119: #define I_LINK 25
1.44 djm 120: #define I_LLS 8
121: #define I_LMKDIR 9
122: #define I_LPWD 10
123: #define I_LS 11
124: #define I_LUMASK 12
125: #define I_MKDIR 13
126: #define I_PUT 14
127: #define I_PWD 15
128: #define I_QUIT 16
129: #define I_RENAME 17
130: #define I_RM 18
131: #define I_RMDIR 19
132: #define I_SHELL 20
133: #define I_SYMLINK 21
134: #define I_VERSION 22
135: #define I_PROGRESS 23
1.148 ! djm 136: #define I_REGET 26
1.44 djm 137:
138: struct CMD {
139: const char *c;
140: const int n;
1.116 djm 141: const int t;
1.44 djm 142: };
143:
1.116 djm 144: /* Type of completion */
145: #define NOARGS 0
146: #define REMOTE 1
147: #define LOCAL 2
148:
1.44 djm 149: static const struct CMD cmds[] = {
1.116 djm 150: { "bye", I_QUIT, NOARGS },
151: { "cd", I_CHDIR, REMOTE },
152: { "chdir", I_CHDIR, REMOTE },
153: { "chgrp", I_CHGRP, REMOTE },
154: { "chmod", I_CHMOD, REMOTE },
155: { "chown", I_CHOWN, REMOTE },
156: { "df", I_DF, REMOTE },
157: { "dir", I_LS, REMOTE },
158: { "exit", I_QUIT, NOARGS },
159: { "get", I_GET, REMOTE },
160: { "help", I_HELP, NOARGS },
161: { "lcd", I_LCHDIR, LOCAL },
162: { "lchdir", I_LCHDIR, LOCAL },
163: { "lls", I_LLS, LOCAL },
164: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 165: { "ln", I_LINK, REMOTE },
1.116 djm 166: { "lpwd", I_LPWD, LOCAL },
167: { "ls", I_LS, REMOTE },
168: { "lumask", I_LUMASK, NOARGS },
169: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 170: { "mget", I_GET, REMOTE },
171: { "mput", I_PUT, LOCAL },
1.116 djm 172: { "progress", I_PROGRESS, NOARGS },
173: { "put", I_PUT, LOCAL },
174: { "pwd", I_PWD, REMOTE },
175: { "quit", I_QUIT, NOARGS },
1.148 ! djm 176: { "reget", I_REGET, REMOTE },
1.116 djm 177: { "rename", I_RENAME, REMOTE },
178: { "rm", I_RM, REMOTE },
179: { "rmdir", I_RMDIR, REMOTE },
180: { "symlink", I_SYMLINK, REMOTE },
181: { "version", I_VERSION, NOARGS },
182: { "!", I_SHELL, NOARGS },
183: { "?", I_HELP, NOARGS },
184: { NULL, -1, -1 }
1.44 djm 185: };
186:
1.112 djm 187: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 188:
1.96 stevesk 189: /* ARGSUSED */
1.44 djm 190: static void
1.46 djm 191: killchild(int signo)
192: {
1.61 dtucker 193: if (sshpid > 1) {
1.46 djm 194: kill(sshpid, SIGTERM);
1.61 dtucker 195: waitpid(sshpid, NULL, 0);
196: }
1.46 djm 197:
198: _exit(1);
199: }
200:
1.96 stevesk 201: /* ARGSUSED */
1.46 djm 202: static void
203: cmd_interrupt(int signo)
204: {
205: const char msg[] = "\rInterrupt \n";
1.59 djm 206: int olderrno = errno;
1.46 djm 207:
1.144 dtucker 208: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 209: interrupted = 1;
1.59 djm 210: errno = olderrno;
1.46 djm 211: }
212:
213: static void
1.44 djm 214: help(void)
215: {
1.106 sobrado 216: printf("Available commands:\n"
217: "bye Quit sftp\n"
218: "cd path Change remote directory to 'path'\n"
219: "chgrp grp path Change group of file 'path' to 'grp'\n"
220: "chmod mode path Change permissions of file 'path' to 'mode'\n"
221: "chown own path Change owner of file 'path' to 'own'\n"
222: "df [-hi] [path] Display statistics for current directory or\n"
223: " filesystem containing 'path'\n"
224: "exit Quit sftp\n"
1.121 jmc 225: "get [-Ppr] remote [local] Download file\n"
1.148 ! djm 226: "reget remote [local] Resume download file\n"
1.106 sobrado 227: "help Display this help text\n"
228: "lcd path Change local directory to 'path'\n"
229: "lls [ls-options [path]] Display local directory listing\n"
230: "lmkdir path Create local directory\n"
1.132 djm 231: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 232: "lpwd Print local working directory\n"
1.121 jmc 233: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 234: "lumask umask Set local umask to 'umask'\n"
235: "mkdir path Create remote directory\n"
236: "progress Toggle display of progress meter\n"
1.121 jmc 237: "put [-Ppr] local [remote] Upload file\n"
1.106 sobrado 238: "pwd Display remote working directory\n"
239: "quit Quit sftp\n"
240: "rename oldpath newpath Rename remote file\n"
241: "rm path Delete remote file\n"
242: "rmdir path Remove remote directory\n"
243: "symlink oldpath newpath Symlink remote file\n"
244: "version Show SFTP version\n"
245: "!command Execute 'command' in local shell\n"
246: "! Escape to local shell\n"
247: "? Synonym for help\n");
1.44 djm 248: }
249:
250: static void
251: local_do_shell(const char *args)
252: {
253: int status;
254: char *shell;
255: pid_t pid;
256:
257: if (!*args)
258: args = NULL;
259:
1.130 djm 260: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 261: shell = _PATH_BSHELL;
262:
263: if ((pid = fork()) == -1)
264: fatal("Couldn't fork: %s", strerror(errno));
265:
266: if (pid == 0) {
267: /* XXX: child has pipe fds to ssh subproc open - issue? */
268: if (args) {
269: debug3("Executing %s -c \"%s\"", shell, args);
270: execl(shell, shell, "-c", args, (char *)NULL);
271: } else {
272: debug3("Executing %s", shell);
273: execl(shell, shell, (char *)NULL);
274: }
275: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
276: strerror(errno));
277: _exit(1);
278: }
279: while (waitpid(pid, &status, 0) == -1)
280: if (errno != EINTR)
281: fatal("Couldn't wait for child: %s", strerror(errno));
282: if (!WIFEXITED(status))
1.78 djm 283: error("Shell exited abnormally");
1.44 djm 284: else if (WEXITSTATUS(status))
285: error("Shell exited with status %d", WEXITSTATUS(status));
286: }
287:
288: static void
289: local_do_ls(const char *args)
290: {
291: if (!args || !*args)
292: local_do_shell(_PATH_LS);
293: else {
294: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
295: char *buf = xmalloc(len);
296:
297: /* XXX: quoting - rip quoting code from ftp? */
298: snprintf(buf, len, _PATH_LS " %s", args);
299: local_do_shell(buf);
1.145 djm 300: free(buf);
1.44 djm 301: }
302: }
303:
304: /* Strip one path (usually the pwd) from the start of another */
305: static char *
306: path_strip(char *path, char *strip)
307: {
308: size_t len;
309:
310: if (strip == NULL)
311: return (xstrdup(path));
312:
313: len = strlen(strip);
1.59 djm 314: if (strncmp(path, strip, len) == 0) {
1.44 djm 315: if (strip[len - 1] != '/' && path[len] == '/')
316: len++;
317: return (xstrdup(path + len));
318: }
319:
320: return (xstrdup(path));
321: }
322:
323: static char *
324: make_absolute(char *p, char *pwd)
325: {
1.51 avsm 326: char *abs_str;
1.44 djm 327:
328: /* Derelativise */
329: if (p && p[0] != '/') {
1.51 avsm 330: abs_str = path_append(pwd, p);
1.145 djm 331: free(p);
1.51 avsm 332: return(abs_str);
1.44 djm 333: } else
334: return(p);
335: }
336:
337: static int
1.148 ! djm 338: parse_getput_flags(const char *cmd, char **argv, int argc,
! 339: int *aflag, int *pflag, int *rflag)
1.44 djm 340: {
1.102 martynas 341: extern int opterr, optind, optopt, optreset;
1.97 djm 342: int ch;
1.44 djm 343:
1.97 djm 344: optind = optreset = 1;
345: opterr = 0;
346:
1.148 ! djm 347: *aflag = *rflag = *pflag = 0;
! 348: while ((ch = getopt(argc, argv, "aPpRr")) != -1) {
1.97 djm 349: switch (ch) {
1.148 ! djm 350: case 'a':
! 351: *aflag = 1;
! 352: break;
1.44 djm 353: case 'p':
354: case 'P':
355: *pflag = 1;
356: break;
1.111 djm 357: case 'r':
358: case 'R':
359: *rflag = 1;
360: break;
1.44 djm 361: default:
1.102 martynas 362: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 363: return -1;
1.44 djm 364: }
365: }
366:
1.97 djm 367: return optind;
1.44 djm 368: }
369:
370: static int
1.132 djm 371: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
372: {
373: extern int opterr, optind, optopt, optreset;
374: int ch;
375:
376: optind = optreset = 1;
377: opterr = 0;
378:
379: *sflag = 0;
380: while ((ch = getopt(argc, argv, "s")) != -1) {
381: switch (ch) {
382: case 's':
383: *sflag = 1;
384: break;
385: default:
386: error("%s: Invalid flag -%c", cmd, optopt);
387: return -1;
388: }
389: }
390:
391: return optind;
392: }
393:
394: static int
1.97 djm 395: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 396: {
1.102 martynas 397: extern int opterr, optind, optopt, optreset;
1.97 djm 398: int ch;
399:
400: optind = optreset = 1;
401: opterr = 0;
1.44 djm 402:
1.53 djm 403: *lflag = LS_NAME_SORT;
1.119 djm 404: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 405: switch (ch) {
406: case '1':
407: *lflag &= ~VIEW_FLAGS;
408: *lflag |= LS_SHORT_VIEW;
409: break;
410: case 'S':
411: *lflag &= ~SORT_FLAGS;
412: *lflag |= LS_SIZE_SORT;
413: break;
414: case 'a':
415: *lflag |= LS_SHOW_ALL;
416: break;
417: case 'f':
418: *lflag &= ~SORT_FLAGS;
419: break;
1.119 djm 420: case 'h':
421: *lflag |= LS_SI_UNITS;
422: break;
1.97 djm 423: case 'l':
1.119 djm 424: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 425: *lflag |= LS_LONG_VIEW;
426: break;
427: case 'n':
1.119 djm 428: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 429: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
430: break;
431: case 'r':
432: *lflag |= LS_REVERSE_SORT;
433: break;
434: case 't':
435: *lflag &= ~SORT_FLAGS;
436: *lflag |= LS_TIME_SORT;
437: break;
438: default:
1.102 martynas 439: error("ls: Invalid flag -%c", optopt);
1.97 djm 440: return -1;
1.44 djm 441: }
442: }
443:
1.97 djm 444: return optind;
1.44 djm 445: }
446:
447: static int
1.100 djm 448: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
449: {
1.102 martynas 450: extern int opterr, optind, optopt, optreset;
1.100 djm 451: int ch;
452:
453: optind = optreset = 1;
454: opterr = 0;
455:
456: *hflag = *iflag = 0;
457: while ((ch = getopt(argc, argv, "hi")) != -1) {
458: switch (ch) {
459: case 'h':
460: *hflag = 1;
461: break;
462: case 'i':
463: *iflag = 1;
464: break;
465: default:
1.102 martynas 466: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 467: return -1;
468: }
469: }
470:
471: return optind;
472: }
473:
474: static int
1.44 djm 475: is_dir(char *path)
476: {
477: struct stat sb;
478:
479: /* XXX: report errors? */
480: if (stat(path, &sb) == -1)
481: return(0);
482:
1.92 otto 483: return(S_ISDIR(sb.st_mode));
1.44 djm 484: }
485:
486: static int
487: remote_is_dir(struct sftp_conn *conn, char *path)
488: {
489: Attrib *a;
490:
491: /* XXX: report errors? */
492: if ((a = do_stat(conn, path, 1)) == NULL)
493: return(0);
494: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
495: return(0);
1.92 otto 496: return(S_ISDIR(a->perm));
1.44 djm 497: }
498:
1.111 djm 499: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
500: static int
501: pathname_is_dir(char *pathname)
502: {
503: size_t l = strlen(pathname);
504:
505: return l > 0 && pathname[l - 1] == '/';
506: }
507:
1.44 djm 508: static int
1.111 djm 509: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
1.148 ! djm 510: int pflag, int rflag, int resume)
1.44 djm 511: {
512: char *abs_src = NULL;
513: char *abs_dst = NULL;
514: glob_t g;
1.111 djm 515: char *filename, *tmp=NULL;
516: int i, err = 0;
1.44 djm 517:
518: abs_src = xstrdup(src);
519: abs_src = make_absolute(abs_src, pwd);
1.111 djm 520: memset(&g, 0, sizeof(g));
1.44 djm 521:
522: debug3("Looking up %s", abs_src);
1.111 djm 523: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 524: error("File \"%s\" not found.", abs_src);
525: err = -1;
526: goto out;
527: }
528:
1.111 djm 529: /*
530: * If multiple matches then dst must be a directory or
531: * unspecified.
532: */
533: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
534: error("Multiple source paths, but destination "
535: "\"%s\" is not a directory", dst);
1.44 djm 536: err = -1;
537: goto out;
538: }
539:
1.46 djm 540: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 541: tmp = xstrdup(g.gl_pathv[i]);
542: if ((filename = basename(tmp)) == NULL) {
543: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 544: free(tmp);
1.44 djm 545: err = -1;
546: goto out;
547: }
548:
549: if (g.gl_matchc == 1 && dst) {
550: if (is_dir(dst)) {
1.111 djm 551: abs_dst = path_append(dst, filename);
552: } else {
1.44 djm 553: abs_dst = xstrdup(dst);
1.111 djm 554: }
1.44 djm 555: } else if (dst) {
1.111 djm 556: abs_dst = path_append(dst, filename);
557: } else {
558: abs_dst = xstrdup(filename);
559: }
1.145 djm 560: free(tmp);
1.44 djm 561:
1.148 ! djm 562: resume |= global_aflag;
! 563: if (!quiet && resume)
! 564: printf("Resuming %s to %s\n", g.gl_pathv[i], abs_dst);
! 565: else if (!quiet && !resume)
1.143 djm 566: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 567: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 ! djm 568: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
! 569: pflag || global_pflag, 1, resume) == -1)
1.111 djm 570: err = -1;
571: } else {
572: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.148 ! djm 573: pflag || global_pflag, resume) == -1)
1.111 djm 574: err = -1;
575: }
1.145 djm 576: free(abs_dst);
1.44 djm 577: abs_dst = NULL;
578: }
579:
580: out:
1.145 djm 581: free(abs_src);
1.44 djm 582: globfree(&g);
583: return(err);
584: }
585:
586: static int
1.111 djm 587: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
588: int pflag, int rflag)
1.44 djm 589: {
590: char *tmp_dst = NULL;
591: char *abs_dst = NULL;
1.111 djm 592: char *tmp = NULL, *filename = NULL;
1.44 djm 593: glob_t g;
594: int err = 0;
1.111 djm 595: int i, dst_is_dir = 1;
1.99 djm 596: struct stat sb;
1.44 djm 597:
598: if (dst) {
599: tmp_dst = xstrdup(dst);
600: tmp_dst = make_absolute(tmp_dst, pwd);
601: }
602:
603: memset(&g, 0, sizeof(g));
604: debug3("Looking up %s", src);
1.111 djm 605: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 606: error("File \"%s\" not found.", src);
607: err = -1;
608: goto out;
609: }
610:
1.111 djm 611: /* If we aren't fetching to pwd then stash this status for later */
612: if (tmp_dst != NULL)
613: dst_is_dir = remote_is_dir(conn, tmp_dst);
614:
1.44 djm 615: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 616: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
617: error("Multiple paths match, but destination "
618: "\"%s\" is not a directory", tmp_dst);
1.44 djm 619: err = -1;
620: goto out;
621: }
622:
1.46 djm 623: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 624: if (stat(g.gl_pathv[i], &sb) == -1) {
625: err = -1;
626: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
627: continue;
628: }
1.111 djm 629:
630: tmp = xstrdup(g.gl_pathv[i]);
631: if ((filename = basename(tmp)) == NULL) {
632: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 633: free(tmp);
1.44 djm 634: err = -1;
635: goto out;
636: }
637:
638: if (g.gl_matchc == 1 && tmp_dst) {
639: /* If directory specified, append filename */
1.111 djm 640: if (dst_is_dir)
641: abs_dst = path_append(tmp_dst, filename);
642: else
1.44 djm 643: abs_dst = xstrdup(tmp_dst);
644: } else if (tmp_dst) {
1.111 djm 645: abs_dst = path_append(tmp_dst, filename);
646: } else {
647: abs_dst = make_absolute(xstrdup(filename), pwd);
648: }
1.145 djm 649: free(tmp);
1.44 djm 650:
1.143 djm 651: if (!quiet)
652: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 653: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
654: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
655: pflag || global_pflag, 1) == -1)
656: err = -1;
657: } else {
658: if (do_upload(conn, g.gl_pathv[i], abs_dst,
659: pflag || global_pflag) == -1)
660: err = -1;
661: }
1.44 djm 662: }
663:
664: out:
1.145 djm 665: free(abs_dst);
666: free(tmp_dst);
1.44 djm 667: globfree(&g);
668: return(err);
669: }
670:
671: static int
672: sdirent_comp(const void *aa, const void *bb)
673: {
674: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
675: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 676: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 677:
1.52 djm 678: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 679: if (sort_flag & LS_NAME_SORT)
1.52 djm 680: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 681: else if (sort_flag & LS_TIME_SORT)
1.52 djm 682: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 683: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 684: return (rmul * NCMP(a->a.size, b->a.size));
685:
686: fatal("Unknown ls sort type");
1.44 djm 687: }
688:
689: /* sftp ls.1 replacement for directories */
690: static int
691: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
692: {
1.64 djm 693: int n;
694: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 695: SFTP_DIRENT **d;
696:
697: if ((n = do_readdir(conn, path, &d)) != 0)
698: return (n);
699:
1.53 djm 700: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 701: u_int m = 0, width = 80;
1.44 djm 702: struct winsize ws;
703: char *tmp;
704:
705: /* Count entries for sort and find longest filename */
1.54 djm 706: for (n = 0; d[n] != NULL; n++) {
707: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
708: m = MAX(m, strlen(d[n]->filename));
709: }
1.44 djm 710:
711: /* Add any subpath that also needs to be counted */
712: tmp = path_strip(path, strip_path);
713: m += strlen(tmp);
1.145 djm 714: free(tmp);
1.44 djm 715:
716: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
717: width = ws.ws_col;
718:
719: columns = width / (m + 2);
720: columns = MAX(columns, 1);
721: colspace = width / columns;
722: colspace = MIN(colspace, width);
723: }
724:
1.52 djm 725: if (lflag & SORT_FLAGS) {
1.68 dtucker 726: for (n = 0; d[n] != NULL; n++)
727: ; /* count entries */
1.53 djm 728: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 729: qsort(d, n, sizeof(*d), sdirent_comp);
730: }
1.44 djm 731:
1.46 djm 732: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 733: char *tmp, *fname;
1.54 djm 734:
735: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
736: continue;
1.44 djm 737:
738: tmp = path_append(path, d[n]->filename);
739: fname = path_strip(tmp, strip_path);
1.145 djm 740: free(tmp);
1.44 djm 741:
1.53 djm 742: if (lflag & LS_LONG_VIEW) {
1.119 djm 743: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 744: char *lname;
745: struct stat sb;
746:
747: memset(&sb, 0, sizeof(sb));
748: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 749: lname = ls_file(fname, &sb, 1,
750: (lflag & LS_SI_UNITS));
1.50 djm 751: printf("%s\n", lname);
1.145 djm 752: free(lname);
1.50 djm 753: } else
754: printf("%s\n", d[n]->longname);
1.44 djm 755: } else {
756: printf("%-*s", colspace, fname);
757: if (c >= columns) {
758: printf("\n");
759: c = 1;
760: } else
761: c++;
762: }
763:
1.145 djm 764: free(fname);
1.44 djm 765: }
766:
1.53 djm 767: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 768: printf("\n");
769:
770: free_sftp_dirents(d);
771: return (0);
772: }
773:
774: /* sftp ls.1 replacement which handles path globs */
775: static int
776: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
777: int lflag)
778: {
1.129 djm 779: char *fname, *lname;
1.44 djm 780: glob_t g;
1.128 djm 781: int err;
1.129 djm 782: struct winsize ws;
783: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 784:
785: memset(&g, 0, sizeof(g));
786:
1.128 djm 787: if (remote_glob(conn, path,
1.133 djm 788: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
789: NULL, &g) ||
1.128 djm 790: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 791: if (g.gl_pathc)
792: globfree(&g);
1.44 djm 793: error("Can't ls: \"%s\" not found", path);
1.128 djm 794: return -1;
1.44 djm 795: }
796:
1.46 djm 797: if (interrupted)
798: goto out;
799:
1.44 djm 800: /*
1.60 fgsch 801: * If the glob returns a single match and it is a directory,
802: * then just list its contents.
1.44 djm 803: */
1.128 djm 804: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
805: S_ISDIR(g.gl_statv[0]->st_mode)) {
806: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
807: globfree(&g);
808: return err;
1.44 djm 809: }
810:
1.129 djm 811: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
812: width = ws.ws_col;
813:
1.53 djm 814: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 815: /* Count entries for sort and find longest filename */
816: for (i = 0; g.gl_pathv[i]; i++)
817: m = MAX(m, strlen(g.gl_pathv[i]));
818:
819: columns = width / (m + 2);
820: columns = MAX(columns, 1);
821: colspace = width / columns;
822: }
823:
1.136 dtucker 824: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 825: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 826: if (lflag & LS_LONG_VIEW) {
1.128 djm 827: if (g.gl_statv[i] == NULL) {
828: error("no stat information for %s", fname);
829: continue;
830: }
831: lname = ls_file(fname, g.gl_statv[i], 1,
832: (lflag & LS_SI_UNITS));
1.44 djm 833: printf("%s\n", lname);
1.145 djm 834: free(lname);
1.44 djm 835: } else {
836: printf("%-*s", colspace, fname);
837: if (c >= columns) {
838: printf("\n");
839: c = 1;
840: } else
841: c++;
842: }
1.145 djm 843: free(fname);
1.44 djm 844: }
845:
1.53 djm 846: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 847: printf("\n");
848:
1.46 djm 849: out:
1.44 djm 850: if (g.gl_pathc)
851: globfree(&g);
852:
1.128 djm 853: return 0;
1.44 djm 854: }
855:
1.100 djm 856: static int
857: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
858: {
1.101 dtucker 859: struct sftp_statvfs st;
1.100 djm 860: char s_used[FMT_SCALED_STRSIZE];
861: char s_avail[FMT_SCALED_STRSIZE];
862: char s_root[FMT_SCALED_STRSIZE];
863: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 864: unsigned long long ffree;
1.100 djm 865:
866: if (do_statvfs(conn, path, &st, 1) == -1)
867: return -1;
868: if (iflag) {
1.114 dtucker 869: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 870: printf(" Inodes Used Avail "
871: "(root) %%Capacity\n");
872: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
873: (unsigned long long)st.f_files,
874: (unsigned long long)(st.f_files - st.f_ffree),
875: (unsigned long long)st.f_favail,
1.114 dtucker 876: (unsigned long long)st.f_ffree, ffree);
1.100 djm 877: } else if (hflag) {
878: strlcpy(s_used, "error", sizeof(s_used));
879: strlcpy(s_avail, "error", sizeof(s_avail));
880: strlcpy(s_root, "error", sizeof(s_root));
881: strlcpy(s_total, "error", sizeof(s_total));
882: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
883: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
884: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
885: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
886: printf(" Size Used Avail (root) %%Capacity\n");
887: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
888: s_total, s_used, s_avail, s_root,
889: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
890: st.f_blocks));
891: } else {
892: printf(" Size Used Avail "
893: "(root) %%Capacity\n");
894: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
895: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
896: (unsigned long long)(st.f_frsize *
897: (st.f_blocks - st.f_bfree) / 1024),
898: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
899: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
900: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
901: st.f_blocks));
902: }
903: return 0;
904: }
905:
1.97 djm 906: /*
907: * Undo escaping of glob sequences in place. Used to undo extra escaping
908: * applied in makeargv() when the string is destined for a function that
909: * does not glob it.
910: */
911: static void
912: undo_glob_escape(char *s)
913: {
914: size_t i, j;
915:
916: for (i = j = 0;;) {
917: if (s[i] == '\0') {
918: s[j] = '\0';
919: return;
920: }
921: if (s[i] != '\\') {
922: s[j++] = s[i++];
923: continue;
924: }
925: /* s[i] == '\\' */
926: ++i;
927: switch (s[i]) {
928: case '?':
929: case '[':
930: case '*':
931: case '\\':
932: s[j++] = s[i++];
933: break;
934: case '\0':
935: s[j++] = '\\';
936: s[j] = '\0';
937: return;
938: default:
939: s[j++] = '\\';
940: s[j++] = s[i++];
941: break;
942: }
943: }
944: }
945:
946: /*
947: * Split a string into an argument vector using sh(1)-style quoting,
948: * comment and escaping rules, but with some tweaks to handle glob(3)
949: * wildcards.
1.116 djm 950: * The "sloppy" flag allows for recovery from missing terminating quote, for
951: * use in parsing incomplete commandlines during tab autocompletion.
952: *
1.97 djm 953: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 954: *
955: * If "lastquote" is not NULL, the quoting character used for the last
956: * argument is placed in *lastquote ("\0", "'" or "\"").
957: *
958: * If "terminated" is not NULL, *terminated will be set to 1 when the
959: * last argument's quote has been properly terminated or 0 otherwise.
960: * This parameter is only of use if "sloppy" is set.
1.97 djm 961: */
962: #define MAXARGS 128
963: #define MAXARGLEN 8192
964: static char **
1.116 djm 965: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
966: u_int *terminated)
1.97 djm 967: {
968: int argc, quot;
969: size_t i, j;
970: static char argvs[MAXARGLEN];
971: static char *argv[MAXARGS + 1];
972: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
973:
974: *argcp = argc = 0;
975: if (strlen(arg) > sizeof(argvs) - 1) {
976: args_too_longs:
977: error("string too long");
978: return NULL;
979: }
1.116 djm 980: if (terminated != NULL)
981: *terminated = 1;
982: if (lastquote != NULL)
983: *lastquote = '\0';
1.97 djm 984: state = MA_START;
985: i = j = 0;
986: for (;;) {
1.141 markus 987: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 988: error("Too many arguments.");
989: return NULL;
990: }
1.97 djm 991: if (isspace(arg[i])) {
992: if (state == MA_UNQUOTED) {
993: /* Terminate current argument */
994: argvs[j++] = '\0';
995: argc++;
996: state = MA_START;
997: } else if (state != MA_START)
998: argvs[j++] = arg[i];
999: } else if (arg[i] == '"' || arg[i] == '\'') {
1000: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1001: if (state == MA_START) {
1002: argv[argc] = argvs + j;
1003: state = q;
1.116 djm 1004: if (lastquote != NULL)
1005: *lastquote = arg[i];
1.97 djm 1006: } else if (state == MA_UNQUOTED)
1007: state = q;
1008: else if (state == q)
1009: state = MA_UNQUOTED;
1010: else
1011: argvs[j++] = arg[i];
1012: } else if (arg[i] == '\\') {
1013: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1014: quot = state == MA_SQUOTE ? '\'' : '"';
1015: /* Unescape quote we are in */
1016: /* XXX support \n and friends? */
1017: if (arg[i + 1] == quot) {
1018: i++;
1019: argvs[j++] = arg[i];
1020: } else if (arg[i + 1] == '?' ||
1021: arg[i + 1] == '[' || arg[i + 1] == '*') {
1022: /*
1023: * Special case for sftp: append
1024: * double-escaped glob sequence -
1025: * glob will undo one level of
1026: * escaping. NB. string can grow here.
1027: */
1028: if (j >= sizeof(argvs) - 5)
1029: goto args_too_longs;
1030: argvs[j++] = '\\';
1031: argvs[j++] = arg[i++];
1032: argvs[j++] = '\\';
1033: argvs[j++] = arg[i];
1034: } else {
1035: argvs[j++] = arg[i++];
1036: argvs[j++] = arg[i];
1037: }
1038: } else {
1039: if (state == MA_START) {
1040: argv[argc] = argvs + j;
1041: state = MA_UNQUOTED;
1.116 djm 1042: if (lastquote != NULL)
1043: *lastquote = '\0';
1.97 djm 1044: }
1045: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1046: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1047: /*
1048: * Special case for sftp: append
1049: * escaped glob sequence -
1050: * glob will undo one level of
1051: * escaping.
1052: */
1053: argvs[j++] = arg[i++];
1054: argvs[j++] = arg[i];
1055: } else {
1056: /* Unescape everything */
1057: /* XXX support \n and friends? */
1058: i++;
1059: argvs[j++] = arg[i];
1060: }
1061: }
1062: } else if (arg[i] == '#') {
1063: if (state == MA_SQUOTE || state == MA_DQUOTE)
1064: argvs[j++] = arg[i];
1065: else
1066: goto string_done;
1067: } else if (arg[i] == '\0') {
1068: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1069: if (sloppy) {
1070: state = MA_UNQUOTED;
1071: if (terminated != NULL)
1072: *terminated = 0;
1073: goto string_done;
1074: }
1.97 djm 1075: error("Unterminated quoted argument");
1076: return NULL;
1077: }
1078: string_done:
1079: if (state == MA_UNQUOTED) {
1080: argvs[j++] = '\0';
1081: argc++;
1082: }
1083: break;
1084: } else {
1085: if (state == MA_START) {
1086: argv[argc] = argvs + j;
1087: state = MA_UNQUOTED;
1.116 djm 1088: if (lastquote != NULL)
1089: *lastquote = '\0';
1.97 djm 1090: }
1091: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1092: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1093: /*
1094: * Special case for sftp: escape quoted
1095: * glob(3) wildcards. NB. string can grow
1096: * here.
1097: */
1098: if (j >= sizeof(argvs) - 3)
1099: goto args_too_longs;
1100: argvs[j++] = '\\';
1101: argvs[j++] = arg[i];
1102: } else
1103: argvs[j++] = arg[i];
1104: }
1105: i++;
1106: }
1107: *argcp = argc;
1108: return argv;
1109: }
1110:
1.44 djm 1111: static int
1.148 ! djm 1112: parse_args(const char **cpp, int *aflag, int *hflag, int *iflag, int *lflag,
! 1113: int *pflag, int *rflag, int *sflag, unsigned long *n_arg,
! 1114: char **path1, char **path2)
1.44 djm 1115: {
1116: const char *cmd, *cp = *cpp;
1.97 djm 1117: char *cp2, **argv;
1.44 djm 1118: int base = 0;
1119: long l;
1.97 djm 1120: int i, cmdnum, optidx, argc;
1.44 djm 1121:
1122: /* Skip leading whitespace */
1123: cp = cp + strspn(cp, WHITESPACE);
1124:
1125: /* Check for leading '-' (disable error processing) */
1126: *iflag = 0;
1127: if (*cp == '-') {
1128: *iflag = 1;
1129: cp++;
1.118 dtucker 1130: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1131: }
1.118 dtucker 1132:
1133: /* Ignore blank lines and lines which begin with comment '#' char */
1134: if (*cp == '\0' || *cp == '#')
1135: return (0);
1.44 djm 1136:
1.116 djm 1137: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1138: return -1;
1139:
1.44 djm 1140: /* Figure out which command we have */
1.97 djm 1141: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1142: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1143: break;
1144: }
1145: cmdnum = cmds[i].n;
1146: cmd = cmds[i].c;
1147:
1148: /* Special case */
1149: if (*cp == '!') {
1150: cp++;
1151: cmdnum = I_SHELL;
1152: } else if (cmdnum == -1) {
1153: error("Invalid command.");
1.97 djm 1154: return -1;
1.44 djm 1155: }
1156:
1157: /* Get arguments and parse flags */
1.148 ! djm 1158: *aflag = *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
1.44 djm 1159: *path1 = *path2 = NULL;
1.97 djm 1160: optidx = 1;
1.44 djm 1161: switch (cmdnum) {
1162: case I_GET:
1.148 ! djm 1163: case I_REGET:
1.44 djm 1164: case I_PUT:
1.132 djm 1165: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.148 ! djm 1166: aflag, pflag, rflag)) == -1)
1.97 djm 1167: return -1;
1.44 djm 1168: /* Get first pathname (mandatory) */
1.97 djm 1169: if (argc - optidx < 1) {
1.44 djm 1170: error("You must specify at least one path after a "
1171: "%s command.", cmd);
1.97 djm 1172: return -1;
1173: }
1174: *path1 = xstrdup(argv[optidx]);
1175: /* Get second pathname (optional) */
1176: if (argc - optidx > 1) {
1177: *path2 = xstrdup(argv[optidx + 1]);
1178: /* Destination is not globbed */
1179: undo_glob_escape(*path2);
1.44 djm 1180: }
1.148 ! djm 1181: if (*aflag && cmdnum == I_PUT) {
! 1182: /* XXX implement resume for uploads */
! 1183: error("Resume is not supported for uploads");
! 1184: return -1;
! 1185: }
1.44 djm 1186: break;
1.132 djm 1187: case I_LINK:
1188: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1189: return -1;
1190: case I_SYMLINK:
1.44 djm 1191: case I_RENAME:
1.97 djm 1192: if (argc - optidx < 2) {
1.44 djm 1193: error("You must specify two paths after a %s "
1194: "command.", cmd);
1.97 djm 1195: return -1;
1.44 djm 1196: }
1.97 djm 1197: *path1 = xstrdup(argv[optidx]);
1198: *path2 = xstrdup(argv[optidx + 1]);
1199: /* Paths are not globbed */
1200: undo_glob_escape(*path1);
1201: undo_glob_escape(*path2);
1.44 djm 1202: break;
1203: case I_RM:
1204: case I_MKDIR:
1205: case I_RMDIR:
1206: case I_CHDIR:
1207: case I_LCHDIR:
1208: case I_LMKDIR:
1209: /* Get pathname (mandatory) */
1.97 djm 1210: if (argc - optidx < 1) {
1.44 djm 1211: error("You must specify a path after a %s command.",
1212: cmd);
1.97 djm 1213: return -1;
1.44 djm 1214: }
1.97 djm 1215: *path1 = xstrdup(argv[optidx]);
1216: /* Only "rm" globs */
1217: if (cmdnum != I_RM)
1218: undo_glob_escape(*path1);
1.44 djm 1219: break;
1.100 djm 1220: case I_DF:
1221: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1222: iflag)) == -1)
1223: return -1;
1224: /* Default to current directory if no path specified */
1225: if (argc - optidx < 1)
1226: *path1 = NULL;
1227: else {
1228: *path1 = xstrdup(argv[optidx]);
1229: undo_glob_escape(*path1);
1230: }
1231: break;
1.44 djm 1232: case I_LS:
1.97 djm 1233: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1234: return(-1);
1235: /* Path is optional */
1.97 djm 1236: if (argc - optidx > 0)
1237: *path1 = xstrdup(argv[optidx]);
1.44 djm 1238: break;
1239: case I_LLS:
1.98 djm 1240: /* Skip ls command and following whitespace */
1241: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1242: case I_SHELL:
1243: /* Uses the rest of the line */
1244: break;
1245: case I_LUMASK:
1246: case I_CHMOD:
1247: base = 8;
1248: case I_CHOWN:
1249: case I_CHGRP:
1250: /* Get numeric arg (mandatory) */
1.97 djm 1251: if (argc - optidx < 1)
1252: goto need_num_arg;
1.93 ray 1253: errno = 0;
1.97 djm 1254: l = strtol(argv[optidx], &cp2, base);
1255: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1256: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1257: l < 0) {
1258: need_num_arg:
1.44 djm 1259: error("You must supply a numeric argument "
1260: "to the %s command.", cmd);
1.97 djm 1261: return -1;
1.44 djm 1262: }
1263: *n_arg = l;
1.97 djm 1264: if (cmdnum == I_LUMASK)
1.44 djm 1265: break;
1266: /* Get pathname (mandatory) */
1.97 djm 1267: if (argc - optidx < 2) {
1.44 djm 1268: error("You must specify a path after a %s command.",
1269: cmd);
1.97 djm 1270: return -1;
1.44 djm 1271: }
1.97 djm 1272: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1273: break;
1274: case I_QUIT:
1275: case I_PWD:
1276: case I_LPWD:
1277: case I_HELP:
1278: case I_VERSION:
1279: case I_PROGRESS:
1280: break;
1281: default:
1282: fatal("Command not implemented");
1283: }
1284:
1285: *cpp = cp;
1286: return(cmdnum);
1287: }
1288:
1289: static int
1290: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1291: int err_abort)
1292: {
1293: char *path1, *path2, *tmp;
1.148 ! djm 1294: int aflag = 0, hflag = 0, iflag = 0, lflag = 0, pflag = 0;
! 1295: int rflag = 0, sflag = 0;
1.132 djm 1296: int cmdnum, i;
1.107 dtucker 1297: unsigned long n_arg = 0;
1.44 djm 1298: Attrib a, *aa;
1299: char path_buf[MAXPATHLEN];
1300: int err = 0;
1301: glob_t g;
1302:
1303: path1 = path2 = NULL;
1.148 ! djm 1304: cmdnum = parse_args(&cmd, &aflag, &hflag, &iflag, &lflag, &pflag,
! 1305: &rflag, &sflag, &n_arg, &path1, &path2);
1.44 djm 1306: if (iflag != 0)
1307: err_abort = 0;
1308:
1309: memset(&g, 0, sizeof(g));
1310:
1311: /* Perform command */
1312: switch (cmdnum) {
1313: case 0:
1314: /* Blank line */
1315: break;
1316: case -1:
1317: /* Unrecognized command */
1318: err = -1;
1319: break;
1.148 ! djm 1320: case I_REGET:
! 1321: aflag = 1;
! 1322: /* FALLTHROUGH */
1.44 djm 1323: case I_GET:
1.148 ! djm 1324: err = process_get(conn, path1, path2, *pwd, pflag,
! 1325: rflag, aflag);
1.44 djm 1326: break;
1327: case I_PUT:
1.111 djm 1328: err = process_put(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1329: break;
1330: case I_RENAME:
1331: path1 = make_absolute(path1, *pwd);
1332: path2 = make_absolute(path2, *pwd);
1333: err = do_rename(conn, path1, path2);
1334: break;
1335: case I_SYMLINK:
1.132 djm 1336: sflag = 1;
1337: case I_LINK:
1338: path1 = make_absolute(path1, *pwd);
1.44 djm 1339: path2 = make_absolute(path2, *pwd);
1.132 djm 1340: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1341: break;
1342: case I_RM:
1343: path1 = make_absolute(path1, *pwd);
1344: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1345: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1346: if (!quiet)
1347: printf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1348: err = do_rm(conn, g.gl_pathv[i]);
1349: if (err != 0 && err_abort)
1350: break;
1351: }
1352: break;
1353: case I_MKDIR:
1354: path1 = make_absolute(path1, *pwd);
1355: attrib_clear(&a);
1356: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1357: a.perm = 0777;
1.111 djm 1358: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1359: break;
1360: case I_RMDIR:
1361: path1 = make_absolute(path1, *pwd);
1362: err = do_rmdir(conn, path1);
1363: break;
1364: case I_CHDIR:
1365: path1 = make_absolute(path1, *pwd);
1366: if ((tmp = do_realpath(conn, path1)) == NULL) {
1367: err = 1;
1368: break;
1369: }
1370: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1371: free(tmp);
1.44 djm 1372: err = 1;
1373: break;
1374: }
1375: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1376: error("Can't change directory: Can't check target");
1.145 djm 1377: free(tmp);
1.44 djm 1378: err = 1;
1379: break;
1380: }
1381: if (!S_ISDIR(aa->perm)) {
1382: error("Can't change directory: \"%s\" is not "
1383: "a directory", tmp);
1.145 djm 1384: free(tmp);
1.44 djm 1385: err = 1;
1386: break;
1387: }
1.145 djm 1388: free(*pwd);
1.44 djm 1389: *pwd = tmp;
1390: break;
1391: case I_LS:
1392: if (!path1) {
1.125 djm 1393: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1394: break;
1395: }
1396:
1397: /* Strip pwd off beginning of non-absolute paths */
1398: tmp = NULL;
1399: if (*path1 != '/')
1400: tmp = *pwd;
1401:
1402: path1 = make_absolute(path1, *pwd);
1403: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1404: break;
1405: case I_DF:
1406: /* Default to current directory if no path specified */
1407: if (path1 == NULL)
1408: path1 = xstrdup(*pwd);
1409: path1 = make_absolute(path1, *pwd);
1410: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1411: break;
1412: case I_LCHDIR:
1413: if (chdir(path1) == -1) {
1414: error("Couldn't change local directory to "
1415: "\"%s\": %s", path1, strerror(errno));
1416: err = 1;
1417: }
1418: break;
1419: case I_LMKDIR:
1420: if (mkdir(path1, 0777) == -1) {
1421: error("Couldn't create local directory "
1422: "\"%s\": %s", path1, strerror(errno));
1423: err = 1;
1424: }
1425: break;
1426: case I_LLS:
1427: local_do_ls(cmd);
1428: break;
1429: case I_SHELL:
1430: local_do_shell(cmd);
1431: break;
1432: case I_LUMASK:
1433: umask(n_arg);
1434: printf("Local umask: %03lo\n", n_arg);
1435: break;
1436: case I_CHMOD:
1437: path1 = make_absolute(path1, *pwd);
1438: attrib_clear(&a);
1439: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1440: a.perm = n_arg;
1441: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1442: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1443: if (!quiet)
1444: printf("Changing mode on %s\n", g.gl_pathv[i]);
1.44 djm 1445: err = do_setstat(conn, g.gl_pathv[i], &a);
1446: if (err != 0 && err_abort)
1447: break;
1448: }
1449: break;
1450: case I_CHOWN:
1451: case I_CHGRP:
1452: path1 = make_absolute(path1, *pwd);
1453: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1454: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1455: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1456: if (err_abort) {
1457: err = -1;
1.44 djm 1458: break;
1.104 djm 1459: } else
1.44 djm 1460: continue;
1461: }
1462: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1463: error("Can't get current ownership of "
1464: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1465: if (err_abort) {
1466: err = -1;
1.44 djm 1467: break;
1.104 djm 1468: } else
1.44 djm 1469: continue;
1470: }
1471: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1472: if (cmdnum == I_CHOWN) {
1.143 djm 1473: if (!quiet)
1474: printf("Changing owner on %s\n",
1475: g.gl_pathv[i]);
1.44 djm 1476: aa->uid = n_arg;
1477: } else {
1.143 djm 1478: if (!quiet)
1479: printf("Changing group on %s\n",
1480: g.gl_pathv[i]);
1.44 djm 1481: aa->gid = n_arg;
1482: }
1483: err = do_setstat(conn, g.gl_pathv[i], aa);
1484: if (err != 0 && err_abort)
1485: break;
1486: }
1487: break;
1488: case I_PWD:
1489: printf("Remote working directory: %s\n", *pwd);
1490: break;
1491: case I_LPWD:
1492: if (!getcwd(path_buf, sizeof(path_buf))) {
1493: error("Couldn't get local cwd: %s", strerror(errno));
1494: err = -1;
1495: break;
1496: }
1497: printf("Local working directory: %s\n", path_buf);
1498: break;
1499: case I_QUIT:
1500: /* Processed below */
1501: break;
1502: case I_HELP:
1503: help();
1504: break;
1505: case I_VERSION:
1506: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1507: break;
1508: case I_PROGRESS:
1509: showprogress = !showprogress;
1510: if (showprogress)
1511: printf("Progress meter enabled\n");
1512: else
1513: printf("Progress meter disabled\n");
1514: break;
1515: default:
1516: fatal("%d is not implemented", cmdnum);
1517: }
1518:
1519: if (g.gl_pathc)
1520: globfree(&g);
1.145 djm 1521: free(path1);
1522: free(path2);
1.44 djm 1523:
1524: /* If an unignored error occurs in batch mode we should abort. */
1525: if (err_abort && err != 0)
1526: return (-1);
1527: else if (cmdnum == I_QUIT)
1528: return (1);
1529:
1530: return (0);
1531: }
1532:
1.57 djm 1533: static char *
1534: prompt(EditLine *el)
1535: {
1536: return ("sftp> ");
1537: }
1538:
1.116 djm 1539: /* Display entries in 'list' after skipping the first 'len' chars */
1540: static void
1541: complete_display(char **list, u_int len)
1542: {
1543: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1544: struct winsize ws;
1545: char *tmp;
1546:
1547: /* Count entries for sort and find longest */
1548: for (y = 0; list[y]; y++)
1549: m = MAX(m, strlen(list[y]));
1550:
1551: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1552: width = ws.ws_col;
1553:
1554: m = m > len ? m - len : 0;
1555: columns = width / (m + 2);
1556: columns = MAX(columns, 1);
1557: colspace = width / columns;
1558: colspace = MIN(colspace, width);
1559:
1560: printf("\n");
1561: m = 1;
1562: for (y = 0; list[y]; y++) {
1563: llen = strlen(list[y]);
1564: tmp = llen > len ? list[y] + len : "";
1565: printf("%-*s", colspace, tmp);
1566: if (m >= columns) {
1567: printf("\n");
1568: m = 1;
1569: } else
1570: m++;
1571: }
1572: printf("\n");
1573: }
1574:
1575: /*
1576: * Given a "list" of words that begin with a common prefix of "word",
1577: * attempt to find an autocompletion to extends "word" by the next
1578: * characters common to all entries in "list".
1579: */
1580: static char *
1581: complete_ambiguous(const char *word, char **list, size_t count)
1582: {
1583: if (word == NULL)
1584: return NULL;
1585:
1586: if (count > 0) {
1587: u_int y, matchlen = strlen(list[0]);
1588:
1589: /* Find length of common stem */
1590: for (y = 1; list[y]; y++) {
1591: u_int x;
1592:
1593: for (x = 0; x < matchlen; x++)
1594: if (list[0][x] != list[y][x])
1595: break;
1596:
1597: matchlen = x;
1598: }
1599:
1600: if (matchlen > strlen(word)) {
1601: char *tmp = xstrdup(list[0]);
1602:
1.117 dtucker 1603: tmp[matchlen] = '\0';
1.116 djm 1604: return tmp;
1605: }
1606: }
1607:
1608: return xstrdup(word);
1609: }
1610:
1611: /* Autocomplete a sftp command */
1612: static int
1613: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1614: int terminated)
1615: {
1616: u_int y, count = 0, cmdlen, tmplen;
1617: char *tmp, **list, argterm[3];
1618: const LineInfo *lf;
1619:
1620: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1621:
1622: /* No command specified: display all available commands */
1623: if (cmd == NULL) {
1624: for (y = 0; cmds[y].c; y++)
1625: list[count++] = xstrdup(cmds[y].c);
1626:
1627: list[count] = NULL;
1628: complete_display(list, 0);
1629:
1630: for (y = 0; list[y] != NULL; y++)
1.145 djm 1631: free(list[y]);
1632: free(list);
1.116 djm 1633: return count;
1634: }
1635:
1636: /* Prepare subset of commands that start with "cmd" */
1637: cmdlen = strlen(cmd);
1638: for (y = 0; cmds[y].c; y++) {
1639: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1640: list[count++] = xstrdup(cmds[y].c);
1641: }
1642: list[count] = NULL;
1643:
1.134 oga 1644: if (count == 0) {
1.145 djm 1645: free(list);
1.116 djm 1646: return 0;
1.134 oga 1647: }
1.116 djm 1648:
1649: /* Complete ambigious command */
1650: tmp = complete_ambiguous(cmd, list, count);
1651: if (count > 1)
1652: complete_display(list, 0);
1653:
1654: for (y = 0; list[y]; y++)
1.145 djm 1655: free(list[y]);
1656: free(list);
1.116 djm 1657:
1658: if (tmp != NULL) {
1659: tmplen = strlen(tmp);
1660: cmdlen = strlen(cmd);
1661: /* If cmd may be extended then do so */
1662: if (tmplen > cmdlen)
1663: if (el_insertstr(el, tmp + cmdlen) == -1)
1664: fatal("el_insertstr failed.");
1665: lf = el_line(el);
1666: /* Terminate argument cleanly */
1667: if (count == 1) {
1668: y = 0;
1669: if (!terminated)
1670: argterm[y++] = quote;
1671: if (lastarg || *(lf->cursor) != ' ')
1672: argterm[y++] = ' ';
1673: argterm[y] = '\0';
1674: if (y > 0 && el_insertstr(el, argterm) == -1)
1675: fatal("el_insertstr failed.");
1676: }
1.145 djm 1677: free(tmp);
1.116 djm 1678: }
1679:
1680: return count;
1681: }
1682:
1683: /*
1684: * Determine whether a particular sftp command's arguments (if any)
1685: * represent local or remote files.
1686: */
1687: static int
1688: complete_is_remote(char *cmd) {
1689: int i;
1690:
1691: if (cmd == NULL)
1692: return -1;
1693:
1694: for (i = 0; cmds[i].c; i++) {
1695: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1696: return cmds[i].t;
1697: }
1698:
1699: return -1;
1700: }
1701:
1702: /* Autocomplete a filename "file" */
1703: static int
1704: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1705: char *file, int remote, int lastarg, char quote, int terminated)
1706: {
1707: glob_t g;
1.146 dtucker 1708: char *tmp, *tmp2, ins[8];
1.140 dtucker 1709: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1710: int clen;
1.116 djm 1711: const LineInfo *lf;
1712:
1713: /* Glob from "file" location */
1714: if (file == NULL)
1715: tmp = xstrdup("*");
1716: else
1717: xasprintf(&tmp, "%s*", file);
1718:
1.139 dtucker 1719: /* Check if the path is absolute. */
1720: isabs = tmp[0] == '/';
1721:
1.116 djm 1722: memset(&g, 0, sizeof(g));
1723: if (remote != LOCAL) {
1724: tmp = make_absolute(tmp, remote_path);
1725: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1726: } else
1727: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1728:
1729: /* Determine length of pwd so we can trim completion display */
1730: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1731: /* Terminate counting on first unescaped glob metacharacter */
1732: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1733: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1734: hadglob = 1;
1735: break;
1736: }
1737: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1738: tmplen++;
1739: if (tmp[tmplen] == '/')
1740: pwdlen = tmplen + 1; /* track last seen '/' */
1741: }
1.145 djm 1742: free(tmp);
1.116 djm 1743:
1744: if (g.gl_matchc == 0)
1745: goto out;
1746:
1747: if (g.gl_matchc > 1)
1748: complete_display(g.gl_pathv, pwdlen);
1749:
1750: tmp = NULL;
1751: /* Don't try to extend globs */
1752: if (file == NULL || hadglob)
1753: goto out;
1754:
1755: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1756: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1757: free(tmp2);
1.116 djm 1758:
1759: if (tmp == NULL)
1760: goto out;
1761:
1762: tmplen = strlen(tmp);
1763: filelen = strlen(file);
1764:
1.140 dtucker 1765: /* Count the number of escaped characters in the input string. */
1766: cesc = isesc = 0;
1767: for (i = 0; i < filelen; i++) {
1768: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1769: isesc = 1;
1770: cesc++;
1771: } else
1772: isesc = 0;
1773: }
1774:
1775: if (tmplen > (filelen - cesc)) {
1776: tmp2 = tmp + filelen - cesc;
1.116 djm 1777: len = strlen(tmp2);
1778: /* quote argument on way out */
1.146 dtucker 1779: for (i = 0; i < len; i += clen) {
1780: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
1781: (size_t)clen > sizeof(ins) - 2)
1782: fatal("invalid multibyte character");
1.116 djm 1783: ins[0] = '\\';
1.146 dtucker 1784: memcpy(ins + 1, tmp2 + i, clen);
1785: ins[clen + 1] = '\0';
1.116 djm 1786: switch (tmp2[i]) {
1787: case '\'':
1788: case '"':
1789: case '\\':
1790: case '\t':
1.131 sthen 1791: case '[':
1.116 djm 1792: case ' ':
1.140 dtucker 1793: case '#':
1794: case '*':
1.116 djm 1795: if (quote == '\0' || tmp2[i] == quote) {
1796: if (el_insertstr(el, ins) == -1)
1797: fatal("el_insertstr "
1798: "failed.");
1799: break;
1800: }
1801: /* FALLTHROUGH */
1802: default:
1803: if (el_insertstr(el, ins + 1) == -1)
1804: fatal("el_insertstr failed.");
1805: break;
1806: }
1807: }
1808: }
1809:
1810: lf = el_line(el);
1811: if (g.gl_matchc == 1) {
1812: i = 0;
1813: if (!terminated)
1814: ins[i++] = quote;
1.120 djm 1815: if (*(lf->cursor - 1) != '/' &&
1816: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1817: ins[i++] = ' ';
1818: ins[i] = '\0';
1819: if (i > 0 && el_insertstr(el, ins) == -1)
1820: fatal("el_insertstr failed.");
1821: }
1.145 djm 1822: free(tmp);
1.116 djm 1823:
1824: out:
1825: globfree(&g);
1826: return g.gl_matchc;
1827: }
1828:
1829: /* tab-completion hook function, called via libedit */
1830: static unsigned char
1831: complete(EditLine *el, int ch)
1832: {
1833: char **argv, *line, quote;
1.147 djm 1834: int argc, carg;
1835: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 1836: const LineInfo *lf;
1837: struct complete_ctx *complete_ctx;
1838:
1839: lf = el_line(el);
1840: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1841: fatal("%s: el_get failed", __func__);
1842:
1843: /* Figure out which argument the cursor points to */
1844: cursor = lf->cursor - lf->buffer;
1845: line = (char *)xmalloc(cursor + 1);
1846: memcpy(line, lf->buffer, cursor);
1847: line[cursor] = '\0';
1848: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 1849: free(line);
1.116 djm 1850:
1851: /* Get all the arguments on the line */
1852: len = lf->lastchar - lf->buffer;
1853: line = (char *)xmalloc(len + 1);
1854: memcpy(line, lf->buffer, len);
1855: line[len] = '\0';
1856: argv = makeargv(line, &argc, 1, NULL, NULL);
1857:
1858: /* Ensure cursor is at EOL or a argument boundary */
1859: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1860: line[cursor] != '\n') {
1.145 djm 1861: free(line);
1.116 djm 1862: return ret;
1863: }
1864:
1865: if (carg == 0) {
1866: /* Show all available commands */
1867: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1868: ret = CC_REDISPLAY;
1869: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1870: /* Handle the command parsing */
1871: if (complete_cmd_parse(el, argv[0], argc == carg,
1872: quote, terminated) != 0)
1873: ret = CC_REDISPLAY;
1874: } else if (carg >= 1) {
1875: /* Handle file parsing */
1876: int remote = complete_is_remote(argv[0]);
1877: char *filematch = NULL;
1878:
1879: if (carg > 1 && line[cursor-1] != ' ')
1880: filematch = argv[carg - 1];
1881:
1882: if (remote != 0 &&
1883: complete_match(el, complete_ctx->conn,
1884: *complete_ctx->remote_pathp, filematch,
1885: remote, carg == argc, quote, terminated) != 0)
1886: ret = CC_REDISPLAY;
1887: }
1888:
1.145 djm 1889: free(line);
1.116 djm 1890: return ret;
1891: }
1892:
1.44 djm 1893: int
1.112 djm 1894: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1895: {
1.116 djm 1896: char *remote_path;
1.44 djm 1897: char *dir = NULL;
1898: char cmd[2048];
1.66 jaredy 1899: int err, interactive;
1.57 djm 1900: EditLine *el = NULL;
1901: History *hl = NULL;
1902: HistEvent hev;
1903: extern char *__progname;
1.116 djm 1904: struct complete_ctx complete_ctx;
1.57 djm 1905:
1906: if (!batchmode && isatty(STDIN_FILENO)) {
1907: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1908: fatal("Couldn't initialise editline");
1909: if ((hl = history_init()) == NULL)
1910: fatal("Couldn't initialise editline history");
1911: history(hl, &hev, H_SETSIZE, 100);
1912: el_set(el, EL_HIST, history, hl);
1913:
1914: el_set(el, EL_PROMPT, prompt);
1915: el_set(el, EL_EDITOR, "emacs");
1916: el_set(el, EL_TERMINAL, NULL);
1917: el_set(el, EL_SIGNAL, 1);
1918: el_source(el, NULL);
1.116 djm 1919:
1920: /* Tab Completion */
1921: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 1922: "Context sensitive argument completion", complete);
1.116 djm 1923: complete_ctx.conn = conn;
1924: complete_ctx.remote_pathp = &remote_path;
1925: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
1926: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.57 djm 1927: }
1.44 djm 1928:
1.116 djm 1929: remote_path = do_realpath(conn, ".");
1930: if (remote_path == NULL)
1.44 djm 1931: fatal("Need cwd");
1932:
1933: if (file1 != NULL) {
1934: dir = xstrdup(file1);
1.116 djm 1935: dir = make_absolute(dir, remote_path);
1.44 djm 1936:
1937: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 1938: if (!quiet)
1939: printf("Changing to: %s\n", dir);
1.44 djm 1940: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 1941: if (parse_dispatch_command(conn, cmd,
1942: &remote_path, 1) != 0) {
1.145 djm 1943: free(dir);
1944: free(remote_path);
1945: free(conn);
1.44 djm 1946: return (-1);
1.58 markus 1947: }
1.44 djm 1948: } else {
1.137 djm 1949: /* XXX this is wrong wrt quoting */
1.148 ! djm 1950: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
! 1951: global_aflag ? " -a" : "", dir,
! 1952: file2 == NULL ? "" : " ",
! 1953: file2 == NULL ? "" : file2);
1.116 djm 1954: err = parse_dispatch_command(conn, cmd,
1955: &remote_path, 1);
1.145 djm 1956: free(dir);
1957: free(remote_path);
1958: free(conn);
1.44 djm 1959: return (err);
1960: }
1.145 djm 1961: free(dir);
1.44 djm 1962: }
1963:
1.135 djm 1964: setlinebuf(stdout);
1965: setlinebuf(infile);
1.44 djm 1966:
1.66 jaredy 1967: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 1968: err = 0;
1969: for (;;) {
1970: char *cp;
1.57 djm 1971: const char *line;
1972: int count = 0;
1.44 djm 1973:
1.46 djm 1974: signal(SIGINT, SIG_IGN);
1975:
1.57 djm 1976: if (el == NULL) {
1.66 jaredy 1977: if (interactive)
1978: printf("sftp> ");
1.57 djm 1979: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 1980: if (interactive)
1981: printf("\n");
1.57 djm 1982: break;
1983: }
1.66 jaredy 1984: if (!interactive) { /* Echo command */
1985: printf("sftp> %s", cmd);
1986: if (strlen(cmd) > 0 &&
1987: cmd[strlen(cmd) - 1] != '\n')
1988: printf("\n");
1989: }
1.57 djm 1990: } else {
1.116 djm 1991: if ((line = el_gets(el, &count)) == NULL ||
1992: count <= 0) {
1.66 jaredy 1993: printf("\n");
1.57 djm 1994: break;
1.66 jaredy 1995: }
1.57 djm 1996: history(hl, &hev, H_ENTER, line);
1997: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1998: fprintf(stderr, "Error: input line too long\n");
1999: continue;
2000: }
1.44 djm 2001: }
2002:
2003: cp = strrchr(cmd, '\n');
2004: if (cp)
2005: *cp = '\0';
2006:
1.46 djm 2007: /* Handle user interrupts gracefully during commands */
2008: interrupted = 0;
2009: signal(SIGINT, cmd_interrupt);
2010:
1.116 djm 2011: err = parse_dispatch_command(conn, cmd, &remote_path,
2012: batchmode);
1.44 djm 2013: if (err != 0)
2014: break;
2015: }
1.145 djm 2016: free(remote_path);
2017: free(conn);
1.66 jaredy 2018:
2019: if (el != NULL)
2020: el_end(el);
1.44 djm 2021:
2022: /* err == 1 signifies normal "quit" exit */
2023: return (err >= 0 ? 0 : -1);
2024: }
1.34 fgsch 2025:
1.18 itojun 2026: static void
1.36 djm 2027: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2028: {
2029: int c_in, c_out;
1.30 deraadt 2030:
1.1 djm 2031: int inout[2];
1.30 deraadt 2032:
1.1 djm 2033: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2034: fatal("socketpair: %s", strerror(errno));
2035: *in = *out = inout[0];
2036: c_in = c_out = inout[1];
2037:
1.36 djm 2038: if ((sshpid = fork()) == -1)
1.1 djm 2039: fatal("fork: %s", strerror(errno));
1.36 djm 2040: else if (sshpid == 0) {
1.1 djm 2041: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2042: (dup2(c_out, STDOUT_FILENO) == -1)) {
2043: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2044: _exit(1);
1.1 djm 2045: }
2046: close(*in);
2047: close(*out);
2048: close(c_in);
2049: close(c_out);
1.46 djm 2050:
2051: /*
2052: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2053: * ignore SIGINT if we want to gracefully abort commands,
2054: * otherwise the signal will make it to the ssh process and
1.122 guenther 2055: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2056: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2057: */
2058: signal(SIGINT, SIG_IGN);
1.122 guenther 2059: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2060: execvp(path, args);
1.23 djm 2061: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2062: _exit(1);
1.1 djm 2063: }
2064:
1.36 djm 2065: signal(SIGTERM, killchild);
2066: signal(SIGINT, killchild);
2067: signal(SIGHUP, killchild);
1.1 djm 2068: close(c_in);
2069: close(c_out);
2070: }
2071:
1.18 itojun 2072: static void
1.1 djm 2073: usage(void)
2074: {
1.25 mpech 2075: extern char *__progname;
1.27 markus 2076:
1.19 stevesk 2077: fprintf(stderr,
1.111 djm 2078: "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2079: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2080: "[-i identity_file] [-l limit]\n"
1.110 jmc 2081: " [-o ssh_option] [-P port] [-R num_requests] "
2082: "[-S program]\n"
1.108 djm 2083: " [-s subsystem | sftp_server] host\n"
1.105 djm 2084: " %s [user@]host[:file ...]\n"
2085: " %s [user@]host[:dir[/]]\n"
1.108 djm 2086: " %s -b batchfile [user@]host\n",
2087: __progname, __progname, __progname, __progname);
1.1 djm 2088: exit(1);
2089: }
2090:
1.2 stevesk 2091: int
1.1 djm 2092: main(int argc, char **argv)
2093: {
1.33 djm 2094: int in, out, ch, err;
1.117 dtucker 2095: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2096: int debug_level = 0, sshver = 2;
2097: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2098: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2099: const char *errstr;
1.17 mouring 2100: LogLevel ll = SYSLOG_LEVEL_INFO;
2101: arglist args;
1.3 djm 2102: extern int optind;
2103: extern char *optarg;
1.112 djm 2104: struct sftp_conn *conn;
2105: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2106: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2107: long long limit_kbps = 0;
1.67 djm 2108:
2109: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2110: sanitise_stdfd();
1.146 dtucker 2111: setlocale(LC_CTYPE, "");
1.1 djm 2112:
1.70 djm 2113: memset(&args, '\0', sizeof(args));
1.17 mouring 2114: args.list = NULL;
1.80 djm 2115: addargs(&args, "%s", ssh_program);
1.17 mouring 2116: addargs(&args, "-oForwardX11 no");
2117: addargs(&args, "-oForwardAgent no");
1.69 reyk 2118: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2119: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2120:
1.17 mouring 2121: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2122: infile = stdin;
1.3 djm 2123:
1.109 djm 2124: while ((ch = getopt(argc, argv,
1.148 ! djm 2125: "1246ahpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2126: switch (ch) {
1.108 djm 2127: /* Passed through to ssh(1) */
2128: case '4':
2129: case '6':
1.3 djm 2130: case 'C':
1.108 djm 2131: addargs(&args, "-%c", ch);
2132: break;
2133: /* Passed through to ssh(1) with argument */
2134: case 'F':
2135: case 'c':
2136: case 'i':
2137: case 'o':
1.113 halex 2138: addargs(&args, "-%c", ch);
2139: addargs(&args, "%s", optarg);
1.108 djm 2140: break;
2141: case 'q':
1.143 djm 2142: ll = SYSLOG_LEVEL_ERROR;
2143: quiet = 1;
1.108 djm 2144: showprogress = 0;
2145: addargs(&args, "-%c", ch);
1.3 djm 2146: break;
1.109 djm 2147: case 'P':
2148: addargs(&args, "-oPort %s", optarg);
2149: break;
1.3 djm 2150: case 'v':
1.17 mouring 2151: if (debug_level < 3) {
2152: addargs(&args, "-v");
2153: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2154: }
2155: debug_level++;
1.3 djm 2156: break;
1.7 markus 2157: case '1':
1.17 mouring 2158: sshver = 1;
1.7 markus 2159: if (sftp_server == NULL)
2160: sftp_server = _PATH_SFTP_SERVER;
2161: break;
1.108 djm 2162: case '2':
2163: sshver = 2;
1.148 ! djm 2164: break;
! 2165: case 'a':
! 2166: global_aflag = 1;
1.7 markus 2167: break;
1.108 djm 2168: case 'B':
2169: copy_buffer_len = strtol(optarg, &cp, 10);
2170: if (copy_buffer_len == 0 || *cp != '\0')
2171: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2172: break;
1.10 deraadt 2173: case 'b':
1.39 djm 2174: if (batchmode)
2175: fatal("Batch file already specified.");
2176:
2177: /* Allow "-" as stdin */
1.56 deraadt 2178: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2179: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2180: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2181: showprogress = 0;
1.143 djm 2182: quiet = batchmode = 1;
1.62 djm 2183: addargs(&args, "-obatchmode yes");
1.10 deraadt 2184: break;
1.111 djm 2185: case 'p':
2186: global_pflag = 1;
2187: break;
1.109 djm 2188: case 'D':
1.23 djm 2189: sftp_direct = optarg;
1.111 djm 2190: break;
1.126 djm 2191: case 'l':
2192: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2193: &errstr);
2194: if (errstr != NULL)
2195: usage();
2196: limit_kbps *= 1024; /* kbps */
2197: break;
1.111 djm 2198: case 'r':
2199: global_rflag = 1;
1.24 djm 2200: break;
1.26 djm 2201: case 'R':
2202: num_requests = strtol(optarg, &cp, 10);
2203: if (num_requests == 0 || *cp != '\0')
1.27 markus 2204: fatal("Invalid number of requests \"%s\"",
1.26 djm 2205: optarg);
1.108 djm 2206: break;
2207: case 's':
2208: sftp_server = optarg;
2209: break;
2210: case 'S':
2211: ssh_program = optarg;
2212: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2213: break;
1.3 djm 2214: case 'h':
2215: default:
1.1 djm 2216: usage();
2217: }
2218: }
1.45 djm 2219:
2220: if (!isatty(STDERR_FILENO))
2221: showprogress = 0;
1.1 djm 2222:
1.29 markus 2223: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2224:
1.23 djm 2225: if (sftp_direct == NULL) {
2226: if (optind == argc || argc > (optind + 2))
2227: usage();
2228:
2229: userhost = xstrdup(argv[optind]);
2230: file2 = argv[optind+1];
1.1 djm 2231:
1.32 markus 2232: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2233: host = userhost;
2234: else {
2235: *host++ = '\0';
2236: if (!userhost[0]) {
2237: fprintf(stderr, "Missing username\n");
2238: usage();
2239: }
1.115 guenther 2240: addargs(&args, "-l");
2241: addargs(&args, "%s", userhost);
1.41 djm 2242: }
2243:
2244: if ((cp = colon(host)) != NULL) {
2245: *cp++ = '\0';
2246: file1 = cp;
1.23 djm 2247: }
1.3 djm 2248:
1.23 djm 2249: host = cleanhostname(host);
2250: if (!*host) {
2251: fprintf(stderr, "Missing hostname\n");
1.1 djm 2252: usage();
2253: }
2254:
1.23 djm 2255: addargs(&args, "-oProtocol %d", sshver);
2256:
2257: /* no subsystem if the server-spec contains a '/' */
2258: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2259: addargs(&args, "-s");
2260:
1.115 guenther 2261: addargs(&args, "--");
1.23 djm 2262: addargs(&args, "%s", host);
1.27 markus 2263: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2264: sftp_server : "sftp"));
2265:
1.36 djm 2266: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2267: } else {
2268: args.list = NULL;
2269: addargs(&args, "sftp-server");
2270:
1.36 djm 2271: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2272: }
1.70 djm 2273: freeargs(&args);
1.1 djm 2274:
1.126 djm 2275: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2276: if (conn == NULL)
2277: fatal("Couldn't initialise connection to server");
2278:
1.143 djm 2279: if (!quiet) {
1.112 djm 2280: if (sftp_direct == NULL)
2281: fprintf(stderr, "Connected to %s.\n", host);
2282: else
2283: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2284: }
2285:
2286: err = interactive_loop(conn, file1, file2);
1.1 djm 2287:
2288: close(in);
2289: close(out);
1.39 djm 2290: if (batchmode)
1.10 deraadt 2291: fclose(infile);
1.1 djm 2292:
1.28 markus 2293: while (waitpid(sshpid, NULL, 0) == -1)
2294: if (errno != EINTR)
2295: fatal("Couldn't wait for ssh process: %s",
2296: strerror(errno));
1.1 djm 2297:
1.33 djm 2298: exit(err == 0 ? 0 : 1);
1.1 djm 2299: }
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