Annotation of src/usr.bin/ssh/sftp.c, Revision 1.176
1.176 ! deraadt 1: /* $OpenBSD: sftp.c,v 1.175 2016/07/22 03:47:36 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>
1.100 djm 23: #include <sys/statvfs.h>
1.44 djm 24:
1.97 djm 25: #include <ctype.h>
1.85 stevesk 26: #include <errno.h>
1.44 djm 27: #include <glob.h>
1.57 djm 28: #include <histedit.h>
1.71 stevesk 29: #include <paths.h>
1.111 djm 30: #include <libgen.h>
1.146 dtucker 31: #include <locale.h>
1.74 stevesk 32: #include <signal.h>
1.174 schwarze 33: #include <stdarg.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>
1.170 deraadt 38: #include <limits.h>
1.100 djm 39: #include <util.h>
1.91 deraadt 40: #include <stdarg.h>
1.1 djm 41:
42: #include "xmalloc.h"
43: #include "log.h"
44: #include "pathnames.h"
1.16 mouring 45: #include "misc.h"
1.174 schwarze 46: #include "utf8.h"
1.1 djm 47:
48: #include "sftp.h"
1.169 djm 49: #include "ssherr.h"
50: #include "sshbuf.h"
1.1 djm 51: #include "sftp-common.h"
52: #include "sftp-client.h"
1.43 djm 53:
1.112 djm 54: #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
55: #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
56:
1.44 djm 57: /* File to read commands from */
58: FILE* infile;
1.15 mouring 59:
1.44 djm 60: /* Are we in batchfile mode? */
1.39 djm 61: int batchmode = 0;
1.44 djm 62:
63: /* PID of ssh transport process */
1.36 djm 64: static pid_t sshpid = -1;
1.7 markus 65:
1.143 djm 66: /* Suppress diagnositic messages */
67: int quiet = 0;
68:
1.44 djm 69: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 70: int showprogress = 1;
1.44 djm 71:
1.111 djm 72: /* When this option is set, we always recursively download/upload directories */
73: int global_rflag = 0;
74:
1.159 logan 75: /* When this option is set, we resume download or upload if possible */
1.148 djm 76: int global_aflag = 0;
77:
1.111 djm 78: /* When this option is set, the file transfers will always preserve times */
79: int global_pflag = 0;
80:
1.156 djm 81: /* When this option is set, transfers will have fsync() called on each file */
82: int global_fflag = 0;
83:
1.46 djm 84: /* SIGINT received during command processing */
85: volatile sig_atomic_t interrupted = 0;
86:
1.52 djm 87: /* I wish qsort() took a separate ctx for the comparison function...*/
88: int sort_flag;
89:
1.116 djm 90: /* Context used for commandline completion */
91: struct complete_ctx {
92: struct sftp_conn *conn;
93: char **remote_pathp;
94: };
95:
1.44 djm 96: int remote_glob(struct sftp_conn *, const char *, int,
97: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
98:
99: /* Separators for interactive commands */
100: #define WHITESPACE " \t\r\n"
101:
1.52 djm 102: /* ls flags */
1.119 djm 103: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
104: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
105: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
106: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
107: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
108: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
109: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
110: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
111: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 112:
1.119 djm 113: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 114: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 115:
116: /* Commands for interactive mode */
1.149 djm 117: enum sftp_command {
118: I_CHDIR = 1,
119: I_CHGRP,
120: I_CHMOD,
121: I_CHOWN,
122: I_DF,
123: I_GET,
124: I_HELP,
125: I_LCHDIR,
126: I_LINK,
127: I_LLS,
128: I_LMKDIR,
129: I_LPWD,
130: I_LS,
131: I_LUMASK,
132: I_MKDIR,
133: I_PUT,
134: I_PWD,
135: I_QUIT,
1.160 logan 136: I_REGET,
1.149 djm 137: I_RENAME,
1.160 logan 138: I_REPUT,
1.149 djm 139: I_RM,
140: I_RMDIR,
141: I_SHELL,
142: I_SYMLINK,
143: I_VERSION,
144: I_PROGRESS,
145: };
1.44 djm 146:
147: struct CMD {
148: const char *c;
149: const int n;
1.116 djm 150: const int t;
1.44 djm 151: };
152:
1.116 djm 153: /* Type of completion */
154: #define NOARGS 0
155: #define REMOTE 1
156: #define LOCAL 2
157:
1.44 djm 158: static const struct CMD cmds[] = {
1.116 djm 159: { "bye", I_QUIT, NOARGS },
160: { "cd", I_CHDIR, REMOTE },
161: { "chdir", I_CHDIR, REMOTE },
162: { "chgrp", I_CHGRP, REMOTE },
163: { "chmod", I_CHMOD, REMOTE },
164: { "chown", I_CHOWN, REMOTE },
165: { "df", I_DF, REMOTE },
166: { "dir", I_LS, REMOTE },
167: { "exit", I_QUIT, NOARGS },
168: { "get", I_GET, REMOTE },
169: { "help", I_HELP, NOARGS },
170: { "lcd", I_LCHDIR, LOCAL },
171: { "lchdir", I_LCHDIR, LOCAL },
172: { "lls", I_LLS, LOCAL },
173: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 174: { "ln", I_LINK, REMOTE },
1.116 djm 175: { "lpwd", I_LPWD, LOCAL },
176: { "ls", I_LS, REMOTE },
177: { "lumask", I_LUMASK, NOARGS },
178: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 179: { "mget", I_GET, REMOTE },
180: { "mput", I_PUT, LOCAL },
1.116 djm 181: { "progress", I_PROGRESS, NOARGS },
182: { "put", I_PUT, LOCAL },
183: { "pwd", I_PWD, REMOTE },
184: { "quit", I_QUIT, NOARGS },
1.148 djm 185: { "reget", I_REGET, REMOTE },
1.116 djm 186: { "rename", I_RENAME, REMOTE },
1.167 djm 187: { "reput", I_REPUT, LOCAL },
1.116 djm 188: { "rm", I_RM, REMOTE },
189: { "rmdir", I_RMDIR, REMOTE },
190: { "symlink", I_SYMLINK, REMOTE },
191: { "version", I_VERSION, NOARGS },
192: { "!", I_SHELL, NOARGS },
193: { "?", I_HELP, NOARGS },
194: { NULL, -1, -1 }
1.44 djm 195: };
196:
1.112 djm 197: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 198:
1.96 stevesk 199: /* ARGSUSED */
1.44 djm 200: static void
1.46 djm 201: killchild(int signo)
202: {
1.61 dtucker 203: if (sshpid > 1) {
1.46 djm 204: kill(sshpid, SIGTERM);
1.61 dtucker 205: waitpid(sshpid, NULL, 0);
206: }
1.46 djm 207:
208: _exit(1);
209: }
210:
1.96 stevesk 211: /* ARGSUSED */
1.46 djm 212: static void
213: cmd_interrupt(int signo)
214: {
215: const char msg[] = "\rInterrupt \n";
1.59 djm 216: int olderrno = errno;
1.46 djm 217:
1.144 dtucker 218: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 219: interrupted = 1;
1.59 djm 220: errno = olderrno;
1.46 djm 221: }
222:
223: static void
1.44 djm 224: help(void)
225: {
1.106 sobrado 226: printf("Available commands:\n"
227: "bye Quit sftp\n"
228: "cd path Change remote directory to 'path'\n"
229: "chgrp grp path Change group of file 'path' to 'grp'\n"
230: "chmod mode path Change permissions of file 'path' to 'mode'\n"
231: "chown own path Change owner of file 'path' to 'own'\n"
232: "df [-hi] [path] Display statistics for current directory or\n"
233: " filesystem containing 'path'\n"
234: "exit Quit sftp\n"
1.167 djm 235: "get [-afPpRr] remote [local] Download file\n"
236: "reget [-fPpRr] remote [local] Resume download file\n"
237: "reput [-fPpRr] [local] remote Resume upload file\n"
1.106 sobrado 238: "help Display this help text\n"
239: "lcd path Change local directory to 'path'\n"
240: "lls [ls-options [path]] Display local directory listing\n"
241: "lmkdir path Create local directory\n"
1.132 djm 242: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 243: "lpwd Print local working directory\n"
1.121 jmc 244: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 245: "lumask umask Set local umask to 'umask'\n"
246: "mkdir path Create remote directory\n"
247: "progress Toggle display of progress meter\n"
1.167 djm 248: "put [-afPpRr] local [remote] Upload file\n"
1.106 sobrado 249: "pwd Display remote working directory\n"
250: "quit Quit sftp\n"
251: "rename oldpath newpath Rename remote file\n"
252: "rm path Delete remote file\n"
253: "rmdir path Remove remote directory\n"
254: "symlink oldpath newpath Symlink remote file\n"
255: "version Show SFTP version\n"
256: "!command Execute 'command' in local shell\n"
257: "! Escape to local shell\n"
258: "? Synonym for help\n");
1.44 djm 259: }
260:
261: static void
262: local_do_shell(const char *args)
263: {
264: int status;
265: char *shell;
266: pid_t pid;
267:
268: if (!*args)
269: args = NULL;
270:
1.130 djm 271: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 272: shell = _PATH_BSHELL;
273:
274: if ((pid = fork()) == -1)
275: fatal("Couldn't fork: %s", strerror(errno));
276:
277: if (pid == 0) {
278: /* XXX: child has pipe fds to ssh subproc open - issue? */
279: if (args) {
280: debug3("Executing %s -c \"%s\"", shell, args);
281: execl(shell, shell, "-c", args, (char *)NULL);
282: } else {
283: debug3("Executing %s", shell);
284: execl(shell, shell, (char *)NULL);
285: }
286: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
287: strerror(errno));
288: _exit(1);
289: }
290: while (waitpid(pid, &status, 0) == -1)
291: if (errno != EINTR)
292: fatal("Couldn't wait for child: %s", strerror(errno));
293: if (!WIFEXITED(status))
1.78 djm 294: error("Shell exited abnormally");
1.44 djm 295: else if (WEXITSTATUS(status))
296: error("Shell exited with status %d", WEXITSTATUS(status));
297: }
298:
299: static void
300: local_do_ls(const char *args)
301: {
302: if (!args || !*args)
303: local_do_shell(_PATH_LS);
304: else {
305: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
306: char *buf = xmalloc(len);
307:
308: /* XXX: quoting - rip quoting code from ftp? */
309: snprintf(buf, len, _PATH_LS " %s", args);
310: local_do_shell(buf);
1.145 djm 311: free(buf);
1.44 djm 312: }
313: }
314:
315: /* Strip one path (usually the pwd) from the start of another */
316: static char *
1.175 djm 317: path_strip(const char *path, const char *strip)
1.44 djm 318: {
319: size_t len;
320:
321: if (strip == NULL)
322: return (xstrdup(path));
323:
324: len = strlen(strip);
1.59 djm 325: if (strncmp(path, strip, len) == 0) {
1.44 djm 326: if (strip[len - 1] != '/' && path[len] == '/')
327: len++;
328: return (xstrdup(path + len));
329: }
330:
331: return (xstrdup(path));
332: }
333:
334: static char *
1.175 djm 335: make_absolute(char *p, const char *pwd)
1.44 djm 336: {
1.51 avsm 337: char *abs_str;
1.44 djm 338:
339: /* Derelativise */
340: if (p && p[0] != '/') {
1.51 avsm 341: abs_str = path_append(pwd, p);
1.145 djm 342: free(p);
1.51 avsm 343: return(abs_str);
1.44 djm 344: } else
345: return(p);
346: }
347:
348: static int
1.148 djm 349: parse_getput_flags(const char *cmd, char **argv, int argc,
1.156 djm 350: int *aflag, int *fflag, int *pflag, int *rflag)
1.44 djm 351: {
1.102 martynas 352: extern int opterr, optind, optopt, optreset;
1.97 djm 353: int ch;
1.44 djm 354:
1.97 djm 355: optind = optreset = 1;
356: opterr = 0;
357:
1.156 djm 358: *aflag = *fflag = *rflag = *pflag = 0;
359: while ((ch = getopt(argc, argv, "afPpRr")) != -1) {
1.97 djm 360: switch (ch) {
1.148 djm 361: case 'a':
362: *aflag = 1;
363: break;
1.156 djm 364: case 'f':
365: *fflag = 1;
366: break;
1.44 djm 367: case 'p':
368: case 'P':
369: *pflag = 1;
370: break;
1.111 djm 371: case 'r':
372: case 'R':
373: *rflag = 1;
374: break;
1.44 djm 375: default:
1.102 martynas 376: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 377: return -1;
1.44 djm 378: }
379: }
380:
1.97 djm 381: return optind;
1.44 djm 382: }
383:
384: static int
1.132 djm 385: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
386: {
387: extern int opterr, optind, optopt, optreset;
388: int ch;
389:
390: optind = optreset = 1;
391: opterr = 0;
392:
393: *sflag = 0;
394: while ((ch = getopt(argc, argv, "s")) != -1) {
395: switch (ch) {
396: case 's':
397: *sflag = 1;
398: break;
399: default:
400: error("%s: Invalid flag -%c", cmd, optopt);
401: return -1;
402: }
403: }
404:
405: return optind;
406: }
407:
408: static int
1.152 djm 409: parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag)
410: {
411: extern int opterr, optind, optopt, optreset;
412: int ch;
413:
414: optind = optreset = 1;
415: opterr = 0;
416:
417: *lflag = 0;
418: while ((ch = getopt(argc, argv, "l")) != -1) {
419: switch (ch) {
420: case 'l':
421: *lflag = 1;
422: break;
423: default:
424: error("%s: Invalid flag -%c", cmd, optopt);
425: return -1;
426: }
427: }
428:
429: return optind;
430: }
431:
432: static int
1.97 djm 433: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 434: {
1.102 martynas 435: extern int opterr, optind, optopt, optreset;
1.97 djm 436: int ch;
437:
438: optind = optreset = 1;
439: opterr = 0;
1.44 djm 440:
1.53 djm 441: *lflag = LS_NAME_SORT;
1.119 djm 442: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 443: switch (ch) {
444: case '1':
445: *lflag &= ~VIEW_FLAGS;
446: *lflag |= LS_SHORT_VIEW;
447: break;
448: case 'S':
449: *lflag &= ~SORT_FLAGS;
450: *lflag |= LS_SIZE_SORT;
451: break;
452: case 'a':
453: *lflag |= LS_SHOW_ALL;
454: break;
455: case 'f':
456: *lflag &= ~SORT_FLAGS;
457: break;
1.119 djm 458: case 'h':
459: *lflag |= LS_SI_UNITS;
460: break;
1.97 djm 461: case 'l':
1.119 djm 462: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 463: *lflag |= LS_LONG_VIEW;
464: break;
465: case 'n':
1.119 djm 466: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 467: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
468: break;
469: case 'r':
470: *lflag |= LS_REVERSE_SORT;
471: break;
472: case 't':
473: *lflag &= ~SORT_FLAGS;
474: *lflag |= LS_TIME_SORT;
475: break;
476: default:
1.102 martynas 477: error("ls: Invalid flag -%c", optopt);
1.97 djm 478: return -1;
1.44 djm 479: }
480: }
481:
1.97 djm 482: return optind;
1.44 djm 483: }
484:
485: static int
1.100 djm 486: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
487: {
1.102 martynas 488: extern int opterr, optind, optopt, optreset;
1.100 djm 489: int ch;
490:
491: optind = optreset = 1;
492: opterr = 0;
493:
494: *hflag = *iflag = 0;
495: while ((ch = getopt(argc, argv, "hi")) != -1) {
496: switch (ch) {
497: case 'h':
498: *hflag = 1;
499: break;
500: case 'i':
501: *iflag = 1;
502: break;
503: default:
1.102 martynas 504: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 505: return -1;
506: }
507: }
508:
509: return optind;
510: }
511:
512: static int
1.153 djm 513: parse_no_flags(const char *cmd, char **argv, int argc)
514: {
515: extern int opterr, optind, optopt, optreset;
516: int ch;
517:
518: optind = optreset = 1;
519: opterr = 0;
520:
521: while ((ch = getopt(argc, argv, "")) != -1) {
522: switch (ch) {
523: default:
524: error("%s: Invalid flag -%c", cmd, optopt);
525: return -1;
526: }
527: }
528:
529: return optind;
530: }
531:
532: static int
1.175 djm 533: is_dir(const char *path)
1.44 djm 534: {
535: struct stat sb;
536:
537: /* XXX: report errors? */
538: if (stat(path, &sb) == -1)
539: return(0);
540:
1.92 otto 541: return(S_ISDIR(sb.st_mode));
1.44 djm 542: }
543:
544: static int
1.175 djm 545: remote_is_dir(struct sftp_conn *conn, const char *path)
1.44 djm 546: {
547: Attrib *a;
548:
549: /* XXX: report errors? */
550: if ((a = do_stat(conn, path, 1)) == NULL)
551: return(0);
552: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
553: return(0);
1.92 otto 554: return(S_ISDIR(a->perm));
1.44 djm 555: }
556:
1.111 djm 557: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
558: static int
1.175 djm 559: pathname_is_dir(const char *pathname)
1.111 djm 560: {
561: size_t l = strlen(pathname);
562:
563: return l > 0 && pathname[l - 1] == '/';
564: }
565:
1.44 djm 566: static int
1.175 djm 567: process_get(struct sftp_conn *conn, const char *src, const char *dst,
568: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 569: {
570: char *abs_src = NULL;
571: char *abs_dst = NULL;
572: glob_t g;
1.111 djm 573: char *filename, *tmp=NULL;
1.164 djm 574: int i, r, err = 0;
1.44 djm 575:
576: abs_src = xstrdup(src);
577: abs_src = make_absolute(abs_src, pwd);
1.111 djm 578: memset(&g, 0, sizeof(g));
1.44 djm 579:
580: debug3("Looking up %s", abs_src);
1.164 djm 581: if ((r = remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) != 0) {
582: if (r == GLOB_NOSPACE) {
583: error("Too many matches for \"%s\".", abs_src);
584: } else {
585: error("File \"%s\" not found.", abs_src);
586: }
1.44 djm 587: err = -1;
588: goto out;
589: }
590:
1.111 djm 591: /*
592: * If multiple matches then dst must be a directory or
593: * unspecified.
594: */
595: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
596: error("Multiple source paths, but destination "
597: "\"%s\" is not a directory", dst);
1.44 djm 598: err = -1;
599: goto out;
600: }
601:
1.46 djm 602: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 603: tmp = xstrdup(g.gl_pathv[i]);
604: if ((filename = basename(tmp)) == NULL) {
605: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 606: free(tmp);
1.44 djm 607: err = -1;
608: goto out;
609: }
610:
611: if (g.gl_matchc == 1 && dst) {
612: if (is_dir(dst)) {
1.111 djm 613: abs_dst = path_append(dst, filename);
614: } else {
1.44 djm 615: abs_dst = xstrdup(dst);
1.111 djm 616: }
1.44 djm 617: } else if (dst) {
1.111 djm 618: abs_dst = path_append(dst, filename);
619: } else {
620: abs_dst = xstrdup(filename);
621: }
1.145 djm 622: free(tmp);
1.44 djm 623:
1.148 djm 624: resume |= global_aflag;
625: if (!quiet && resume)
1.174 schwarze 626: mprintf("Resuming %s to %s\n",
627: g.gl_pathv[i], abs_dst);
1.148 djm 628: else if (!quiet && !resume)
1.174 schwarze 629: mprintf("Fetching %s to %s\n",
630: g.gl_pathv[i], abs_dst);
1.111 djm 631: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 632: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 633: pflag || global_pflag, 1, resume,
634: fflag || global_fflag) == -1)
1.111 djm 635: err = -1;
636: } else {
637: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 638: pflag || global_pflag, resume,
639: fflag || global_fflag) == -1)
1.111 djm 640: err = -1;
641: }
1.145 djm 642: free(abs_dst);
1.44 djm 643: abs_dst = NULL;
644: }
645:
646: out:
1.145 djm 647: free(abs_src);
1.44 djm 648: globfree(&g);
649: return(err);
650: }
651:
652: static int
1.175 djm 653: process_put(struct sftp_conn *conn, const char *src, const char *dst,
654: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 655: {
656: char *tmp_dst = NULL;
657: char *abs_dst = NULL;
1.111 djm 658: char *tmp = NULL, *filename = NULL;
1.44 djm 659: glob_t g;
660: int err = 0;
1.111 djm 661: int i, dst_is_dir = 1;
1.99 djm 662: struct stat sb;
1.44 djm 663:
664: if (dst) {
665: tmp_dst = xstrdup(dst);
666: tmp_dst = make_absolute(tmp_dst, pwd);
667: }
668:
669: memset(&g, 0, sizeof(g));
670: debug3("Looking up %s", src);
1.111 djm 671: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 672: error("File \"%s\" not found.", src);
673: err = -1;
674: goto out;
675: }
676:
1.111 djm 677: /* If we aren't fetching to pwd then stash this status for later */
678: if (tmp_dst != NULL)
679: dst_is_dir = remote_is_dir(conn, tmp_dst);
680:
1.44 djm 681: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 682: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
683: error("Multiple paths match, but destination "
684: "\"%s\" is not a directory", tmp_dst);
1.44 djm 685: err = -1;
686: goto out;
687: }
688:
1.46 djm 689: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 690: if (stat(g.gl_pathv[i], &sb) == -1) {
691: err = -1;
692: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
693: continue;
694: }
1.149 djm 695:
1.111 djm 696: tmp = xstrdup(g.gl_pathv[i]);
697: if ((filename = basename(tmp)) == NULL) {
698: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 699: free(tmp);
1.44 djm 700: err = -1;
701: goto out;
702: }
703:
704: if (g.gl_matchc == 1 && tmp_dst) {
705: /* If directory specified, append filename */
1.111 djm 706: if (dst_is_dir)
707: abs_dst = path_append(tmp_dst, filename);
708: else
1.44 djm 709: abs_dst = xstrdup(tmp_dst);
710: } else if (tmp_dst) {
1.111 djm 711: abs_dst = path_append(tmp_dst, filename);
712: } else {
713: abs_dst = make_absolute(xstrdup(filename), pwd);
714: }
1.145 djm 715: free(tmp);
1.44 djm 716:
1.159 logan 717: resume |= global_aflag;
718: if (!quiet && resume)
1.174 schwarze 719: mprintf("Resuming upload of %s to %s\n",
720: g.gl_pathv[i], abs_dst);
1.159 logan 721: else if (!quiet && !resume)
1.174 schwarze 722: mprintf("Uploading %s to %s\n",
723: g.gl_pathv[i], abs_dst);
1.111 djm 724: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
725: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.159 logan 726: pflag || global_pflag, 1, resume,
1.156 djm 727: fflag || global_fflag) == -1)
1.111 djm 728: err = -1;
729: } else {
730: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.159 logan 731: pflag || global_pflag, resume,
1.156 djm 732: fflag || global_fflag) == -1)
1.111 djm 733: err = -1;
734: }
1.44 djm 735: }
736:
737: out:
1.145 djm 738: free(abs_dst);
739: free(tmp_dst);
1.44 djm 740: globfree(&g);
741: return(err);
742: }
743:
744: static int
745: sdirent_comp(const void *aa, const void *bb)
746: {
747: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
748: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 749: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 750:
1.52 djm 751: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 752: if (sort_flag & LS_NAME_SORT)
1.52 djm 753: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 754: else if (sort_flag & LS_TIME_SORT)
1.52 djm 755: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 756: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 757: return (rmul * NCMP(a->a.size, b->a.size));
758:
759: fatal("Unknown ls sort type");
1.44 djm 760: }
761:
762: /* sftp ls.1 replacement for directories */
763: static int
1.175 djm 764: do_ls_dir(struct sftp_conn *conn, const char *path,
765: const char *strip_path, int lflag)
1.44 djm 766: {
1.64 djm 767: int n;
768: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 769: SFTP_DIRENT **d;
770:
771: if ((n = do_readdir(conn, path, &d)) != 0)
772: return (n);
773:
1.53 djm 774: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 775: u_int m = 0, width = 80;
1.44 djm 776: struct winsize ws;
777: char *tmp;
778:
779: /* Count entries for sort and find longest filename */
1.54 djm 780: for (n = 0; d[n] != NULL; n++) {
781: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
1.176 ! deraadt 782: m = MAXIMUM(m, strlen(d[n]->filename));
1.54 djm 783: }
1.44 djm 784:
785: /* Add any subpath that also needs to be counted */
786: tmp = path_strip(path, strip_path);
787: m += strlen(tmp);
1.145 djm 788: free(tmp);
1.44 djm 789:
790: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
791: width = ws.ws_col;
792:
793: columns = width / (m + 2);
1.176 ! deraadt 794: columns = MAXIMUM(columns, 1);
1.44 djm 795: colspace = width / columns;
1.176 ! deraadt 796: colspace = MINIMUM(colspace, width);
1.44 djm 797: }
798:
1.52 djm 799: if (lflag & SORT_FLAGS) {
1.68 dtucker 800: for (n = 0; d[n] != NULL; n++)
801: ; /* count entries */
1.53 djm 802: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 803: qsort(d, n, sizeof(*d), sdirent_comp);
804: }
1.44 djm 805:
1.46 djm 806: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 807: char *tmp, *fname;
1.54 djm 808:
809: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
810: continue;
1.44 djm 811:
812: tmp = path_append(path, d[n]->filename);
813: fname = path_strip(tmp, strip_path);
1.145 djm 814: free(tmp);
1.44 djm 815:
1.53 djm 816: if (lflag & LS_LONG_VIEW) {
1.119 djm 817: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 818: char *lname;
819: struct stat sb;
820:
821: memset(&sb, 0, sizeof(sb));
822: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 823: lname = ls_file(fname, &sb, 1,
824: (lflag & LS_SI_UNITS));
1.174 schwarze 825: mprintf("%s\n", lname);
1.145 djm 826: free(lname);
1.50 djm 827: } else
1.174 schwarze 828: mprintf("%s\n", d[n]->longname);
1.44 djm 829: } else {
1.174 schwarze 830: mprintf("%-*s", colspace, fname);
1.44 djm 831: if (c >= columns) {
832: printf("\n");
833: c = 1;
834: } else
835: c++;
836: }
837:
1.145 djm 838: free(fname);
1.44 djm 839: }
840:
1.53 djm 841: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 842: printf("\n");
843:
844: free_sftp_dirents(d);
845: return (0);
846: }
847:
848: /* sftp ls.1 replacement which handles path globs */
849: static int
1.175 djm 850: do_globbed_ls(struct sftp_conn *conn, const char *path,
851: const char *strip_path, int lflag)
1.44 djm 852: {
1.129 djm 853: char *fname, *lname;
1.44 djm 854: glob_t g;
1.164 djm 855: int err, r;
1.129 djm 856: struct winsize ws;
857: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 858:
859: memset(&g, 0, sizeof(g));
860:
1.164 djm 861: if ((r = remote_glob(conn, path,
1.133 djm 862: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
1.164 djm 863: NULL, &g)) != 0 ||
1.128 djm 864: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 865: if (g.gl_pathc)
866: globfree(&g);
1.164 djm 867: if (r == GLOB_NOSPACE) {
868: error("Can't ls: Too many matches for \"%s\"", path);
869: } else {
870: error("Can't ls: \"%s\" not found", path);
871: }
1.128 djm 872: return -1;
1.44 djm 873: }
874:
1.46 djm 875: if (interrupted)
876: goto out;
877:
1.44 djm 878: /*
1.60 fgsch 879: * If the glob returns a single match and it is a directory,
880: * then just list its contents.
1.44 djm 881: */
1.128 djm 882: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
883: S_ISDIR(g.gl_statv[0]->st_mode)) {
884: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
885: globfree(&g);
886: return err;
1.44 djm 887: }
888:
1.129 djm 889: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
890: width = ws.ws_col;
891:
1.53 djm 892: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 893: /* Count entries for sort and find longest filename */
894: for (i = 0; g.gl_pathv[i]; i++)
1.176 ! deraadt 895: m = MAXIMUM(m, strlen(g.gl_pathv[i]));
1.44 djm 896:
897: columns = width / (m + 2);
1.176 ! deraadt 898: columns = MAXIMUM(columns, 1);
1.44 djm 899: colspace = width / columns;
900: }
901:
1.136 dtucker 902: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 903: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 904: if (lflag & LS_LONG_VIEW) {
1.128 djm 905: if (g.gl_statv[i] == NULL) {
906: error("no stat information for %s", fname);
907: continue;
908: }
909: lname = ls_file(fname, g.gl_statv[i], 1,
910: (lflag & LS_SI_UNITS));
1.174 schwarze 911: mprintf("%s\n", lname);
1.145 djm 912: free(lname);
1.44 djm 913: } else {
1.174 schwarze 914: mprintf("%-*s", colspace, fname);
1.44 djm 915: if (c >= columns) {
916: printf("\n");
917: c = 1;
918: } else
919: c++;
920: }
1.145 djm 921: free(fname);
1.44 djm 922: }
923:
1.53 djm 924: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 925: printf("\n");
926:
1.46 djm 927: out:
1.44 djm 928: if (g.gl_pathc)
929: globfree(&g);
930:
1.128 djm 931: return 0;
1.44 djm 932: }
933:
1.100 djm 934: static int
1.175 djm 935: do_df(struct sftp_conn *conn, const char *path, int hflag, int iflag)
1.100 djm 936: {
1.101 dtucker 937: struct sftp_statvfs st;
1.100 djm 938: char s_used[FMT_SCALED_STRSIZE];
939: char s_avail[FMT_SCALED_STRSIZE];
940: char s_root[FMT_SCALED_STRSIZE];
941: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 942: unsigned long long ffree;
1.100 djm 943:
944: if (do_statvfs(conn, path, &st, 1) == -1)
945: return -1;
946: if (iflag) {
1.114 dtucker 947: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 948: printf(" Inodes Used Avail "
949: "(root) %%Capacity\n");
950: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
951: (unsigned long long)st.f_files,
952: (unsigned long long)(st.f_files - st.f_ffree),
953: (unsigned long long)st.f_favail,
1.114 dtucker 954: (unsigned long long)st.f_ffree, ffree);
1.100 djm 955: } else if (hflag) {
956: strlcpy(s_used, "error", sizeof(s_used));
957: strlcpy(s_avail, "error", sizeof(s_avail));
958: strlcpy(s_root, "error", sizeof(s_root));
959: strlcpy(s_total, "error", sizeof(s_total));
960: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
961: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
962: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
963: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
964: printf(" Size Used Avail (root) %%Capacity\n");
965: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
966: s_total, s_used, s_avail, s_root,
967: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
968: st.f_blocks));
969: } else {
970: printf(" Size Used Avail "
971: "(root) %%Capacity\n");
972: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
973: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
974: (unsigned long long)(st.f_frsize *
975: (st.f_blocks - st.f_bfree) / 1024),
976: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
977: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
978: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
979: st.f_blocks));
980: }
981: return 0;
982: }
983:
1.97 djm 984: /*
985: * Undo escaping of glob sequences in place. Used to undo extra escaping
986: * applied in makeargv() when the string is destined for a function that
987: * does not glob it.
988: */
989: static void
990: undo_glob_escape(char *s)
991: {
992: size_t i, j;
993:
994: for (i = j = 0;;) {
995: if (s[i] == '\0') {
996: s[j] = '\0';
997: return;
998: }
999: if (s[i] != '\\') {
1000: s[j++] = s[i++];
1001: continue;
1002: }
1003: /* s[i] == '\\' */
1004: ++i;
1005: switch (s[i]) {
1006: case '?':
1007: case '[':
1008: case '*':
1009: case '\\':
1010: s[j++] = s[i++];
1011: break;
1012: case '\0':
1013: s[j++] = '\\';
1014: s[j] = '\0';
1015: return;
1016: default:
1017: s[j++] = '\\';
1018: s[j++] = s[i++];
1019: break;
1020: }
1021: }
1022: }
1023:
1024: /*
1025: * Split a string into an argument vector using sh(1)-style quoting,
1026: * comment and escaping rules, but with some tweaks to handle glob(3)
1027: * wildcards.
1.116 djm 1028: * The "sloppy" flag allows for recovery from missing terminating quote, for
1029: * use in parsing incomplete commandlines during tab autocompletion.
1030: *
1.97 djm 1031: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1032: *
1033: * If "lastquote" is not NULL, the quoting character used for the last
1034: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1035: *
1.116 djm 1036: * If "terminated" is not NULL, *terminated will be set to 1 when the
1037: * last argument's quote has been properly terminated or 0 otherwise.
1038: * This parameter is only of use if "sloppy" is set.
1.97 djm 1039: */
1040: #define MAXARGS 128
1041: #define MAXARGLEN 8192
1042: static char **
1.116 djm 1043: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1044: u_int *terminated)
1.97 djm 1045: {
1046: int argc, quot;
1047: size_t i, j;
1048: static char argvs[MAXARGLEN];
1049: static char *argv[MAXARGS + 1];
1050: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1051:
1052: *argcp = argc = 0;
1053: if (strlen(arg) > sizeof(argvs) - 1) {
1054: args_too_longs:
1055: error("string too long");
1056: return NULL;
1057: }
1.116 djm 1058: if (terminated != NULL)
1059: *terminated = 1;
1060: if (lastquote != NULL)
1061: *lastquote = '\0';
1.97 djm 1062: state = MA_START;
1063: i = j = 0;
1064: for (;;) {
1.141 markus 1065: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1066: error("Too many arguments.");
1067: return NULL;
1068: }
1.158 deraadt 1069: if (isspace((unsigned char)arg[i])) {
1.97 djm 1070: if (state == MA_UNQUOTED) {
1071: /* Terminate current argument */
1072: argvs[j++] = '\0';
1073: argc++;
1074: state = MA_START;
1075: } else if (state != MA_START)
1076: argvs[j++] = arg[i];
1077: } else if (arg[i] == '"' || arg[i] == '\'') {
1078: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1079: if (state == MA_START) {
1080: argv[argc] = argvs + j;
1081: state = q;
1.116 djm 1082: if (lastquote != NULL)
1083: *lastquote = arg[i];
1.149 djm 1084: } else if (state == MA_UNQUOTED)
1.97 djm 1085: state = q;
1086: else if (state == q)
1087: state = MA_UNQUOTED;
1088: else
1089: argvs[j++] = arg[i];
1090: } else if (arg[i] == '\\') {
1091: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1092: quot = state == MA_SQUOTE ? '\'' : '"';
1093: /* Unescape quote we are in */
1094: /* XXX support \n and friends? */
1095: if (arg[i + 1] == quot) {
1096: i++;
1097: argvs[j++] = arg[i];
1098: } else if (arg[i + 1] == '?' ||
1099: arg[i + 1] == '[' || arg[i + 1] == '*') {
1100: /*
1101: * Special case for sftp: append
1102: * double-escaped glob sequence -
1103: * glob will undo one level of
1104: * escaping. NB. string can grow here.
1105: */
1106: if (j >= sizeof(argvs) - 5)
1107: goto args_too_longs;
1108: argvs[j++] = '\\';
1109: argvs[j++] = arg[i++];
1110: argvs[j++] = '\\';
1111: argvs[j++] = arg[i];
1112: } else {
1113: argvs[j++] = arg[i++];
1114: argvs[j++] = arg[i];
1115: }
1116: } else {
1117: if (state == MA_START) {
1118: argv[argc] = argvs + j;
1119: state = MA_UNQUOTED;
1.116 djm 1120: if (lastquote != NULL)
1121: *lastquote = '\0';
1.97 djm 1122: }
1123: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1124: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1125: /*
1126: * Special case for sftp: append
1127: * escaped glob sequence -
1128: * glob will undo one level of
1129: * escaping.
1130: */
1131: argvs[j++] = arg[i++];
1132: argvs[j++] = arg[i];
1133: } else {
1134: /* Unescape everything */
1135: /* XXX support \n and friends? */
1136: i++;
1137: argvs[j++] = arg[i];
1138: }
1139: }
1140: } else if (arg[i] == '#') {
1141: if (state == MA_SQUOTE || state == MA_DQUOTE)
1142: argvs[j++] = arg[i];
1143: else
1144: goto string_done;
1145: } else if (arg[i] == '\0') {
1146: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1147: if (sloppy) {
1148: state = MA_UNQUOTED;
1149: if (terminated != NULL)
1150: *terminated = 0;
1151: goto string_done;
1152: }
1.97 djm 1153: error("Unterminated quoted argument");
1154: return NULL;
1155: }
1156: string_done:
1157: if (state == MA_UNQUOTED) {
1158: argvs[j++] = '\0';
1159: argc++;
1160: }
1161: break;
1162: } else {
1163: if (state == MA_START) {
1164: argv[argc] = argvs + j;
1165: state = MA_UNQUOTED;
1.116 djm 1166: if (lastquote != NULL)
1167: *lastquote = '\0';
1.97 djm 1168: }
1169: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1170: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1171: /*
1172: * Special case for sftp: escape quoted
1173: * glob(3) wildcards. NB. string can grow
1174: * here.
1175: */
1176: if (j >= sizeof(argvs) - 3)
1177: goto args_too_longs;
1178: argvs[j++] = '\\';
1179: argvs[j++] = arg[i];
1180: } else
1181: argvs[j++] = arg[i];
1182: }
1183: i++;
1184: }
1185: *argcp = argc;
1186: return argv;
1187: }
1188:
1.44 djm 1189: static int
1.159 logan 1190: parse_args(const char **cpp, int *ignore_errors, int *aflag,
1.173 djm 1191: int *fflag, int *hflag, int *iflag, int *lflag, int *pflag,
1.159 logan 1192: int *rflag, int *sflag,
1.156 djm 1193: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1194: {
1195: const char *cmd, *cp = *cpp;
1.97 djm 1196: char *cp2, **argv;
1.44 djm 1197: int base = 0;
1198: long l;
1.97 djm 1199: int i, cmdnum, optidx, argc;
1.44 djm 1200:
1201: /* Skip leading whitespace */
1202: cp = cp + strspn(cp, WHITESPACE);
1203:
1204: /* Check for leading '-' (disable error processing) */
1.156 djm 1205: *ignore_errors = 0;
1.44 djm 1206: if (*cp == '-') {
1.156 djm 1207: *ignore_errors = 1;
1.44 djm 1208: cp++;
1.118 dtucker 1209: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1210: }
1.118 dtucker 1211:
1212: /* Ignore blank lines and lines which begin with comment '#' char */
1213: if (*cp == '\0' || *cp == '#')
1214: return (0);
1.44 djm 1215:
1.116 djm 1216: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1217: return -1;
1218:
1.44 djm 1219: /* Figure out which command we have */
1.97 djm 1220: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1221: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1222: break;
1223: }
1224: cmdnum = cmds[i].n;
1225: cmd = cmds[i].c;
1226:
1227: /* Special case */
1228: if (*cp == '!') {
1229: cp++;
1230: cmdnum = I_SHELL;
1231: } else if (cmdnum == -1) {
1232: error("Invalid command.");
1.97 djm 1233: return -1;
1.44 djm 1234: }
1235:
1236: /* Get arguments and parse flags */
1.156 djm 1237: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1238: *rflag = *sflag = 0;
1.44 djm 1239: *path1 = *path2 = NULL;
1.97 djm 1240: optidx = 1;
1.44 djm 1241: switch (cmdnum) {
1242: case I_GET:
1.148 djm 1243: case I_REGET:
1.159 logan 1244: case I_REPUT:
1.44 djm 1245: case I_PUT:
1.132 djm 1246: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1247: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1248: return -1;
1.44 djm 1249: /* Get first pathname (mandatory) */
1.97 djm 1250: if (argc - optidx < 1) {
1.44 djm 1251: error("You must specify at least one path after a "
1252: "%s command.", cmd);
1.97 djm 1253: return -1;
1254: }
1255: *path1 = xstrdup(argv[optidx]);
1256: /* Get second pathname (optional) */
1257: if (argc - optidx > 1) {
1258: *path2 = xstrdup(argv[optidx + 1]);
1259: /* Destination is not globbed */
1260: undo_glob_escape(*path2);
1.44 djm 1261: }
1262: break;
1.132 djm 1263: case I_LINK:
1264: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1265: return -1;
1.152 djm 1266: goto parse_two_paths;
1267: case I_RENAME:
1268: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1269: return -1;
1270: goto parse_two_paths;
1.132 djm 1271: case I_SYMLINK:
1.153 djm 1272: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1273: return -1;
1.152 djm 1274: parse_two_paths:
1.97 djm 1275: if (argc - optidx < 2) {
1.44 djm 1276: error("You must specify two paths after a %s "
1277: "command.", cmd);
1.97 djm 1278: return -1;
1.44 djm 1279: }
1.97 djm 1280: *path1 = xstrdup(argv[optidx]);
1281: *path2 = xstrdup(argv[optidx + 1]);
1282: /* Paths are not globbed */
1283: undo_glob_escape(*path1);
1284: undo_glob_escape(*path2);
1.44 djm 1285: break;
1286: case I_RM:
1287: case I_MKDIR:
1288: case I_RMDIR:
1289: case I_CHDIR:
1290: case I_LCHDIR:
1291: case I_LMKDIR:
1.153 djm 1292: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1293: return -1;
1.44 djm 1294: /* Get pathname (mandatory) */
1.97 djm 1295: if (argc - optidx < 1) {
1.44 djm 1296: error("You must specify a path after a %s command.",
1297: cmd);
1.97 djm 1298: return -1;
1.44 djm 1299: }
1.97 djm 1300: *path1 = xstrdup(argv[optidx]);
1301: /* Only "rm" globs */
1302: if (cmdnum != I_RM)
1303: undo_glob_escape(*path1);
1.44 djm 1304: break;
1.100 djm 1305: case I_DF:
1306: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1307: iflag)) == -1)
1308: return -1;
1309: /* Default to current directory if no path specified */
1310: if (argc - optidx < 1)
1311: *path1 = NULL;
1312: else {
1313: *path1 = xstrdup(argv[optidx]);
1314: undo_glob_escape(*path1);
1315: }
1316: break;
1.44 djm 1317: case I_LS:
1.97 djm 1318: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1319: return(-1);
1320: /* Path is optional */
1.97 djm 1321: if (argc - optidx > 0)
1322: *path1 = xstrdup(argv[optidx]);
1.44 djm 1323: break;
1324: case I_LLS:
1.98 djm 1325: /* Skip ls command and following whitespace */
1326: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1327: case I_SHELL:
1328: /* Uses the rest of the line */
1329: break;
1330: case I_LUMASK:
1331: case I_CHMOD:
1332: base = 8;
1333: case I_CHOWN:
1334: case I_CHGRP:
1.153 djm 1335: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1336: return -1;
1.44 djm 1337: /* Get numeric arg (mandatory) */
1.97 djm 1338: if (argc - optidx < 1)
1339: goto need_num_arg;
1.93 ray 1340: errno = 0;
1.97 djm 1341: l = strtol(argv[optidx], &cp2, base);
1342: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1343: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1344: l < 0) {
1345: need_num_arg:
1.44 djm 1346: error("You must supply a numeric argument "
1347: "to the %s command.", cmd);
1.97 djm 1348: return -1;
1.44 djm 1349: }
1350: *n_arg = l;
1.97 djm 1351: if (cmdnum == I_LUMASK)
1.44 djm 1352: break;
1353: /* Get pathname (mandatory) */
1.97 djm 1354: if (argc - optidx < 2) {
1.44 djm 1355: error("You must specify a path after a %s command.",
1356: cmd);
1.97 djm 1357: return -1;
1.44 djm 1358: }
1.97 djm 1359: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1360: break;
1361: case I_QUIT:
1362: case I_PWD:
1363: case I_LPWD:
1364: case I_HELP:
1365: case I_VERSION:
1366: case I_PROGRESS:
1.153 djm 1367: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1368: return -1;
1.44 djm 1369: break;
1370: default:
1371: fatal("Command not implemented");
1372: }
1373:
1374: *cpp = cp;
1375: return(cmdnum);
1376: }
1377:
1378: static int
1379: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1380: int err_abort)
1381: {
1382: char *path1, *path2, *tmp;
1.173 djm 1383: int ignore_errors = 0, aflag = 0, fflag = 0, hflag = 0,
1.159 logan 1384: iflag = 0;
1.156 djm 1385: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1386: int cmdnum, i;
1.107 dtucker 1387: unsigned long n_arg = 0;
1.44 djm 1388: Attrib a, *aa;
1.170 deraadt 1389: char path_buf[PATH_MAX];
1.44 djm 1390: int err = 0;
1391: glob_t g;
1392:
1393: path1 = path2 = NULL;
1.156 djm 1394: cmdnum = parse_args(&cmd, &ignore_errors, &aflag, &fflag, &hflag,
1395: &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg, &path1, &path2);
1396: if (ignore_errors != 0)
1.44 djm 1397: err_abort = 0;
1398:
1399: memset(&g, 0, sizeof(g));
1400:
1401: /* Perform command */
1402: switch (cmdnum) {
1403: case 0:
1404: /* Blank line */
1405: break;
1406: case -1:
1407: /* Unrecognized command */
1408: err = -1;
1409: break;
1.148 djm 1410: case I_REGET:
1411: aflag = 1;
1412: /* FALLTHROUGH */
1.44 djm 1413: case I_GET:
1.148 djm 1414: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1415: rflag, aflag, fflag);
1.44 djm 1416: break;
1.159 logan 1417: case I_REPUT:
1418: aflag = 1;
1419: /* FALLTHROUGH */
1.44 djm 1420: case I_PUT:
1.156 djm 1421: err = process_put(conn, path1, path2, *pwd, pflag,
1.159 logan 1422: rflag, aflag, fflag);
1.44 djm 1423: break;
1424: case I_RENAME:
1425: path1 = make_absolute(path1, *pwd);
1426: path2 = make_absolute(path2, *pwd);
1.152 djm 1427: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1428: break;
1429: case I_SYMLINK:
1.132 djm 1430: sflag = 1;
1431: case I_LINK:
1.151 djm 1432: if (!sflag)
1433: path1 = make_absolute(path1, *pwd);
1.44 djm 1434: path2 = make_absolute(path2, *pwd);
1.132 djm 1435: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1436: break;
1437: case I_RM:
1438: path1 = make_absolute(path1, *pwd);
1439: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1440: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1441: if (!quiet)
1.174 schwarze 1442: mprintf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1443: err = do_rm(conn, g.gl_pathv[i]);
1444: if (err != 0 && err_abort)
1445: break;
1446: }
1447: break;
1448: case I_MKDIR:
1449: path1 = make_absolute(path1, *pwd);
1450: attrib_clear(&a);
1451: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1452: a.perm = 0777;
1.111 djm 1453: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1454: break;
1455: case I_RMDIR:
1456: path1 = make_absolute(path1, *pwd);
1457: err = do_rmdir(conn, path1);
1458: break;
1459: case I_CHDIR:
1460: path1 = make_absolute(path1, *pwd);
1461: if ((tmp = do_realpath(conn, path1)) == NULL) {
1462: err = 1;
1463: break;
1464: }
1465: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1466: free(tmp);
1.44 djm 1467: err = 1;
1468: break;
1469: }
1470: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1471: error("Can't change directory: Can't check target");
1.145 djm 1472: free(tmp);
1.44 djm 1473: err = 1;
1474: break;
1475: }
1476: if (!S_ISDIR(aa->perm)) {
1477: error("Can't change directory: \"%s\" is not "
1478: "a directory", tmp);
1.145 djm 1479: free(tmp);
1.44 djm 1480: err = 1;
1481: break;
1482: }
1.145 djm 1483: free(*pwd);
1.44 djm 1484: *pwd = tmp;
1485: break;
1486: case I_LS:
1487: if (!path1) {
1.125 djm 1488: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1489: break;
1490: }
1491:
1492: /* Strip pwd off beginning of non-absolute paths */
1493: tmp = NULL;
1494: if (*path1 != '/')
1495: tmp = *pwd;
1496:
1497: path1 = make_absolute(path1, *pwd);
1498: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1499: break;
1500: case I_DF:
1501: /* Default to current directory if no path specified */
1502: if (path1 == NULL)
1503: path1 = xstrdup(*pwd);
1504: path1 = make_absolute(path1, *pwd);
1505: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1506: break;
1507: case I_LCHDIR:
1.166 deraadt 1508: tmp = tilde_expand_filename(path1, getuid());
1.165 djm 1509: free(path1);
1510: path1 = tmp;
1.44 djm 1511: if (chdir(path1) == -1) {
1512: error("Couldn't change local directory to "
1513: "\"%s\": %s", path1, strerror(errno));
1514: err = 1;
1515: }
1516: break;
1517: case I_LMKDIR:
1518: if (mkdir(path1, 0777) == -1) {
1519: error("Couldn't create local directory "
1520: "\"%s\": %s", path1, strerror(errno));
1521: err = 1;
1522: }
1523: break;
1524: case I_LLS:
1525: local_do_ls(cmd);
1526: break;
1527: case I_SHELL:
1528: local_do_shell(cmd);
1529: break;
1530: case I_LUMASK:
1531: umask(n_arg);
1532: printf("Local umask: %03lo\n", n_arg);
1533: break;
1534: case I_CHMOD:
1535: path1 = make_absolute(path1, *pwd);
1536: attrib_clear(&a);
1537: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1538: a.perm = n_arg;
1539: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1540: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1541: if (!quiet)
1.174 schwarze 1542: mprintf("Changing mode on %s\n",
1543: g.gl_pathv[i]);
1.44 djm 1544: err = do_setstat(conn, g.gl_pathv[i], &a);
1545: if (err != 0 && err_abort)
1546: break;
1547: }
1548: break;
1549: case I_CHOWN:
1550: case I_CHGRP:
1551: path1 = make_absolute(path1, *pwd);
1552: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1553: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1554: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1555: if (err_abort) {
1556: err = -1;
1.44 djm 1557: break;
1.104 djm 1558: } else
1.44 djm 1559: continue;
1560: }
1561: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1562: error("Can't get current ownership of "
1563: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1564: if (err_abort) {
1565: err = -1;
1.44 djm 1566: break;
1.104 djm 1567: } else
1.44 djm 1568: continue;
1569: }
1570: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1571: if (cmdnum == I_CHOWN) {
1.143 djm 1572: if (!quiet)
1.174 schwarze 1573: mprintf("Changing owner on %s\n",
1.143 djm 1574: g.gl_pathv[i]);
1.44 djm 1575: aa->uid = n_arg;
1576: } else {
1.143 djm 1577: if (!quiet)
1.174 schwarze 1578: mprintf("Changing group on %s\n",
1.143 djm 1579: g.gl_pathv[i]);
1.44 djm 1580: aa->gid = n_arg;
1581: }
1582: err = do_setstat(conn, g.gl_pathv[i], aa);
1583: if (err != 0 && err_abort)
1584: break;
1585: }
1586: break;
1587: case I_PWD:
1.174 schwarze 1588: mprintf("Remote working directory: %s\n", *pwd);
1.44 djm 1589: break;
1590: case I_LPWD:
1591: if (!getcwd(path_buf, sizeof(path_buf))) {
1592: error("Couldn't get local cwd: %s", strerror(errno));
1593: err = -1;
1594: break;
1595: }
1.174 schwarze 1596: mprintf("Local working directory: %s\n", path_buf);
1.44 djm 1597: break;
1598: case I_QUIT:
1599: /* Processed below */
1600: break;
1601: case I_HELP:
1602: help();
1603: break;
1604: case I_VERSION:
1605: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1606: break;
1607: case I_PROGRESS:
1608: showprogress = !showprogress;
1609: if (showprogress)
1610: printf("Progress meter enabled\n");
1611: else
1612: printf("Progress meter disabled\n");
1613: break;
1614: default:
1615: fatal("%d is not implemented", cmdnum);
1616: }
1617:
1618: if (g.gl_pathc)
1619: globfree(&g);
1.145 djm 1620: free(path1);
1621: free(path2);
1.44 djm 1622:
1623: /* If an unignored error occurs in batch mode we should abort. */
1624: if (err_abort && err != 0)
1625: return (-1);
1626: else if (cmdnum == I_QUIT)
1627: return (1);
1628:
1629: return (0);
1630: }
1631:
1.57 djm 1632: static char *
1633: prompt(EditLine *el)
1634: {
1635: return ("sftp> ");
1636: }
1637:
1.116 djm 1638: /* Display entries in 'list' after skipping the first 'len' chars */
1639: static void
1640: complete_display(char **list, u_int len)
1641: {
1642: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1643: struct winsize ws;
1644: char *tmp;
1645:
1646: /* Count entries for sort and find longest */
1.149 djm 1647: for (y = 0; list[y]; y++)
1.176 ! deraadt 1648: m = MAXIMUM(m, strlen(list[y]));
1.116 djm 1649:
1650: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1651: width = ws.ws_col;
1652:
1653: m = m > len ? m - len : 0;
1654: columns = width / (m + 2);
1.176 ! deraadt 1655: columns = MAXIMUM(columns, 1);
1.116 djm 1656: colspace = width / columns;
1.176 ! deraadt 1657: colspace = MINIMUM(colspace, width);
1.116 djm 1658:
1659: printf("\n");
1660: m = 1;
1661: for (y = 0; list[y]; y++) {
1662: llen = strlen(list[y]);
1663: tmp = llen > len ? list[y] + len : "";
1.174 schwarze 1664: mprintf("%-*s", colspace, tmp);
1.116 djm 1665: if (m >= columns) {
1666: printf("\n");
1667: m = 1;
1668: } else
1669: m++;
1670: }
1671: printf("\n");
1672: }
1673:
1674: /*
1675: * Given a "list" of words that begin with a common prefix of "word",
1676: * attempt to find an autocompletion to extends "word" by the next
1677: * characters common to all entries in "list".
1678: */
1679: static char *
1680: complete_ambiguous(const char *word, char **list, size_t count)
1681: {
1682: if (word == NULL)
1683: return NULL;
1684:
1685: if (count > 0) {
1686: u_int y, matchlen = strlen(list[0]);
1687:
1688: /* Find length of common stem */
1689: for (y = 1; list[y]; y++) {
1690: u_int x;
1691:
1.149 djm 1692: for (x = 0; x < matchlen; x++)
1693: if (list[0][x] != list[y][x])
1.116 djm 1694: break;
1695:
1696: matchlen = x;
1697: }
1698:
1699: if (matchlen > strlen(word)) {
1700: char *tmp = xstrdup(list[0]);
1701:
1.117 dtucker 1702: tmp[matchlen] = '\0';
1.116 djm 1703: return tmp;
1704: }
1.149 djm 1705: }
1.116 djm 1706:
1707: return xstrdup(word);
1708: }
1709:
1710: /* Autocomplete a sftp command */
1711: static int
1712: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1713: int terminated)
1714: {
1715: u_int y, count = 0, cmdlen, tmplen;
1716: char *tmp, **list, argterm[3];
1717: const LineInfo *lf;
1718:
1719: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1720:
1721: /* No command specified: display all available commands */
1722: if (cmd == NULL) {
1723: for (y = 0; cmds[y].c; y++)
1724: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1725:
1.116 djm 1726: list[count] = NULL;
1727: complete_display(list, 0);
1728:
1.149 djm 1729: for (y = 0; list[y] != NULL; y++)
1730: free(list[y]);
1.145 djm 1731: free(list);
1.116 djm 1732: return count;
1733: }
1734:
1735: /* Prepare subset of commands that start with "cmd" */
1736: cmdlen = strlen(cmd);
1737: for (y = 0; cmds[y].c; y++) {
1.149 djm 1738: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1739: list[count++] = xstrdup(cmds[y].c);
1740: }
1741: list[count] = NULL;
1742:
1.134 oga 1743: if (count == 0) {
1.145 djm 1744: free(list);
1.116 djm 1745: return 0;
1.134 oga 1746: }
1.116 djm 1747:
1748: /* Complete ambigious command */
1749: tmp = complete_ambiguous(cmd, list, count);
1750: if (count > 1)
1751: complete_display(list, 0);
1752:
1.149 djm 1753: for (y = 0; list[y]; y++)
1754: free(list[y]);
1.145 djm 1755: free(list);
1.116 djm 1756:
1757: if (tmp != NULL) {
1758: tmplen = strlen(tmp);
1759: cmdlen = strlen(cmd);
1760: /* If cmd may be extended then do so */
1761: if (tmplen > cmdlen)
1762: if (el_insertstr(el, tmp + cmdlen) == -1)
1763: fatal("el_insertstr failed.");
1764: lf = el_line(el);
1765: /* Terminate argument cleanly */
1766: if (count == 1) {
1767: y = 0;
1768: if (!terminated)
1769: argterm[y++] = quote;
1770: if (lastarg || *(lf->cursor) != ' ')
1771: argterm[y++] = ' ';
1772: argterm[y] = '\0';
1773: if (y > 0 && el_insertstr(el, argterm) == -1)
1774: fatal("el_insertstr failed.");
1775: }
1.145 djm 1776: free(tmp);
1.116 djm 1777: }
1778:
1779: return count;
1780: }
1781:
1782: /*
1783: * Determine whether a particular sftp command's arguments (if any)
1784: * represent local or remote files.
1785: */
1786: static int
1787: complete_is_remote(char *cmd) {
1788: int i;
1789:
1790: if (cmd == NULL)
1791: return -1;
1792:
1793: for (i = 0; cmds[i].c; i++) {
1.149 djm 1794: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1.116 djm 1795: return cmds[i].t;
1796: }
1797:
1798: return -1;
1799: }
1800:
1801: /* Autocomplete a filename "file" */
1802: static int
1803: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1804: char *file, int remote, int lastarg, char quote, int terminated)
1805: {
1806: glob_t g;
1.146 dtucker 1807: char *tmp, *tmp2, ins[8];
1.140 dtucker 1808: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1809: int clen;
1.116 djm 1810: const LineInfo *lf;
1.149 djm 1811:
1.116 djm 1812: /* Glob from "file" location */
1813: if (file == NULL)
1814: tmp = xstrdup("*");
1815: else
1816: xasprintf(&tmp, "%s*", file);
1817:
1.139 dtucker 1818: /* Check if the path is absolute. */
1819: isabs = tmp[0] == '/';
1820:
1.116 djm 1821: memset(&g, 0, sizeof(g));
1822: if (remote != LOCAL) {
1823: tmp = make_absolute(tmp, remote_path);
1824: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1825: } else
1.116 djm 1826: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1827:
1.116 djm 1828: /* Determine length of pwd so we can trim completion display */
1829: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1830: /* Terminate counting on first unescaped glob metacharacter */
1831: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1832: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1833: hadglob = 1;
1834: break;
1835: }
1836: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1837: tmplen++;
1838: if (tmp[tmplen] == '/')
1839: pwdlen = tmplen + 1; /* track last seen '/' */
1840: }
1.145 djm 1841: free(tmp);
1.161 dtucker 1842: tmp = NULL;
1.116 djm 1843:
1.149 djm 1844: if (g.gl_matchc == 0)
1.116 djm 1845: goto out;
1846:
1847: if (g.gl_matchc > 1)
1848: complete_display(g.gl_pathv, pwdlen);
1849:
1850: /* Don't try to extend globs */
1851: if (file == NULL || hadglob)
1852: goto out;
1853:
1854: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1855: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1856: free(tmp2);
1.116 djm 1857:
1858: if (tmp == NULL)
1859: goto out;
1860:
1861: tmplen = strlen(tmp);
1862: filelen = strlen(file);
1863:
1.140 dtucker 1864: /* Count the number of escaped characters in the input string. */
1865: cesc = isesc = 0;
1866: for (i = 0; i < filelen; i++) {
1867: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1868: isesc = 1;
1869: cesc++;
1870: } else
1871: isesc = 0;
1872: }
1873:
1874: if (tmplen > (filelen - cesc)) {
1875: tmp2 = tmp + filelen - cesc;
1.149 djm 1876: len = strlen(tmp2);
1.116 djm 1877: /* quote argument on way out */
1.146 dtucker 1878: for (i = 0; i < len; i += clen) {
1879: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
1880: (size_t)clen > sizeof(ins) - 2)
1881: fatal("invalid multibyte character");
1.116 djm 1882: ins[0] = '\\';
1.146 dtucker 1883: memcpy(ins + 1, tmp2 + i, clen);
1884: ins[clen + 1] = '\0';
1.116 djm 1885: switch (tmp2[i]) {
1886: case '\'':
1887: case '"':
1888: case '\\':
1889: case '\t':
1.131 sthen 1890: case '[':
1.116 djm 1891: case ' ':
1.140 dtucker 1892: case '#':
1893: case '*':
1.116 djm 1894: if (quote == '\0' || tmp2[i] == quote) {
1895: if (el_insertstr(el, ins) == -1)
1896: fatal("el_insertstr "
1897: "failed.");
1898: break;
1899: }
1900: /* FALLTHROUGH */
1901: default:
1902: if (el_insertstr(el, ins + 1) == -1)
1903: fatal("el_insertstr failed.");
1904: break;
1905: }
1906: }
1907: }
1908:
1909: lf = el_line(el);
1910: if (g.gl_matchc == 1) {
1911: i = 0;
1.162 dtucker 1912: if (!terminated && quote != '\0')
1.116 djm 1913: ins[i++] = quote;
1.120 djm 1914: if (*(lf->cursor - 1) != '/' &&
1915: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1916: ins[i++] = ' ';
1917: ins[i] = '\0';
1918: if (i > 0 && el_insertstr(el, ins) == -1)
1919: fatal("el_insertstr failed.");
1920: }
1.145 djm 1921: free(tmp);
1.116 djm 1922:
1923: out:
1924: globfree(&g);
1925: return g.gl_matchc;
1926: }
1927:
1928: /* tab-completion hook function, called via libedit */
1929: static unsigned char
1930: complete(EditLine *el, int ch)
1931: {
1.149 djm 1932: char **argv, *line, quote;
1.147 djm 1933: int argc, carg;
1934: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 1935: const LineInfo *lf;
1936: struct complete_ctx *complete_ctx;
1937:
1938: lf = el_line(el);
1939: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1940: fatal("%s: el_get failed", __func__);
1941:
1942: /* Figure out which argument the cursor points to */
1943: cursor = lf->cursor - lf->buffer;
1.171 deraadt 1944: line = xmalloc(cursor + 1);
1.116 djm 1945: memcpy(line, lf->buffer, cursor);
1946: line[cursor] = '\0';
1947: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 1948: free(line);
1.116 djm 1949:
1950: /* Get all the arguments on the line */
1951: len = lf->lastchar - lf->buffer;
1.171 deraadt 1952: line = xmalloc(len + 1);
1.116 djm 1953: memcpy(line, lf->buffer, len);
1954: line[len] = '\0';
1955: argv = makeargv(line, &argc, 1, NULL, NULL);
1956:
1957: /* Ensure cursor is at EOL or a argument boundary */
1958: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1959: line[cursor] != '\n') {
1.145 djm 1960: free(line);
1.116 djm 1961: return ret;
1962: }
1963:
1964: if (carg == 0) {
1965: /* Show all available commands */
1966: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1967: ret = CC_REDISPLAY;
1968: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1969: /* Handle the command parsing */
1970: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 1971: quote, terminated) != 0)
1.116 djm 1972: ret = CC_REDISPLAY;
1973: } else if (carg >= 1) {
1974: /* Handle file parsing */
1975: int remote = complete_is_remote(argv[0]);
1976: char *filematch = NULL;
1977:
1978: if (carg > 1 && line[cursor-1] != ' ')
1979: filematch = argv[carg - 1];
1980:
1981: if (remote != 0 &&
1982: complete_match(el, complete_ctx->conn,
1983: *complete_ctx->remote_pathp, filematch,
1.149 djm 1984: remote, carg == argc, quote, terminated) != 0)
1.116 djm 1985: ret = CC_REDISPLAY;
1986: }
1987:
1.149 djm 1988: free(line);
1.116 djm 1989: return ret;
1990: }
1991:
1.44 djm 1992: int
1.112 djm 1993: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1994: {
1.116 djm 1995: char *remote_path;
1.44 djm 1996: char *dir = NULL;
1997: char cmd[2048];
1.66 jaredy 1998: int err, interactive;
1.57 djm 1999: EditLine *el = NULL;
2000: History *hl = NULL;
2001: HistEvent hev;
2002: extern char *__progname;
1.116 djm 2003: struct complete_ctx complete_ctx;
1.57 djm 2004:
2005: if (!batchmode && isatty(STDIN_FILENO)) {
2006: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
2007: fatal("Couldn't initialise editline");
2008: if ((hl = history_init()) == NULL)
2009: fatal("Couldn't initialise editline history");
2010: history(hl, &hev, H_SETSIZE, 100);
2011: el_set(el, EL_HIST, history, hl);
2012:
2013: el_set(el, EL_PROMPT, prompt);
2014: el_set(el, EL_EDITOR, "emacs");
2015: el_set(el, EL_TERMINAL, NULL);
2016: el_set(el, EL_SIGNAL, 1);
2017: el_source(el, NULL);
1.116 djm 2018:
2019: /* Tab Completion */
1.149 djm 2020: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 2021: "Context sensitive argument completion", complete);
1.116 djm 2022: complete_ctx.conn = conn;
2023: complete_ctx.remote_pathp = &remote_path;
2024: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
2025: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 2026: /* enable ctrl-left-arrow and ctrl-right-arrow */
2027: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
2028: el_set(el, EL_BIND, "\\e[5C", "em-next-word", NULL);
2029: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2030: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2031: /* make ^w match ksh behaviour */
2032: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2033: }
1.44 djm 2034:
1.116 djm 2035: remote_path = do_realpath(conn, ".");
2036: if (remote_path == NULL)
1.44 djm 2037: fatal("Need cwd");
2038:
2039: if (file1 != NULL) {
2040: dir = xstrdup(file1);
1.116 djm 2041: dir = make_absolute(dir, remote_path);
1.44 djm 2042:
2043: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2044: if (!quiet)
1.174 schwarze 2045: mprintf("Changing to: %s\n", dir);
1.44 djm 2046: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2047: if (parse_dispatch_command(conn, cmd,
2048: &remote_path, 1) != 0) {
1.145 djm 2049: free(dir);
2050: free(remote_path);
2051: free(conn);
1.44 djm 2052: return (-1);
1.58 markus 2053: }
1.44 djm 2054: } else {
1.137 djm 2055: /* XXX this is wrong wrt quoting */
1.148 djm 2056: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2057: global_aflag ? " -a" : "", dir,
2058: file2 == NULL ? "" : " ",
2059: file2 == NULL ? "" : file2);
1.116 djm 2060: err = parse_dispatch_command(conn, cmd,
2061: &remote_path, 1);
1.145 djm 2062: free(dir);
2063: free(remote_path);
2064: free(conn);
1.44 djm 2065: return (err);
2066: }
1.145 djm 2067: free(dir);
1.44 djm 2068: }
2069:
1.168 millert 2070: setvbuf(stdout, NULL, _IOLBF, 0);
2071: setvbuf(infile, NULL, _IOLBF, 0);
1.44 djm 2072:
1.66 jaredy 2073: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2074: err = 0;
2075: for (;;) {
2076: char *cp;
1.57 djm 2077: const char *line;
2078: int count = 0;
1.44 djm 2079:
1.46 djm 2080: signal(SIGINT, SIG_IGN);
2081:
1.57 djm 2082: if (el == NULL) {
1.66 jaredy 2083: if (interactive)
2084: printf("sftp> ");
1.57 djm 2085: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2086: if (interactive)
2087: printf("\n");
1.57 djm 2088: break;
2089: }
1.66 jaredy 2090: if (!interactive) { /* Echo command */
1.174 schwarze 2091: mprintf("sftp> %s", cmd);
1.66 jaredy 2092: if (strlen(cmd) > 0 &&
2093: cmd[strlen(cmd) - 1] != '\n')
2094: printf("\n");
2095: }
1.57 djm 2096: } else {
1.116 djm 2097: if ((line = el_gets(el, &count)) == NULL ||
2098: count <= 0) {
1.66 jaredy 2099: printf("\n");
1.57 djm 2100: break;
1.66 jaredy 2101: }
1.57 djm 2102: history(hl, &hev, H_ENTER, line);
2103: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2104: fprintf(stderr, "Error: input line too long\n");
2105: continue;
2106: }
1.44 djm 2107: }
2108:
2109: cp = strrchr(cmd, '\n');
2110: if (cp)
2111: *cp = '\0';
2112:
1.46 djm 2113: /* Handle user interrupts gracefully during commands */
2114: interrupted = 0;
2115: signal(SIGINT, cmd_interrupt);
2116:
1.116 djm 2117: err = parse_dispatch_command(conn, cmd, &remote_path,
2118: batchmode);
1.44 djm 2119: if (err != 0)
2120: break;
2121: }
1.145 djm 2122: free(remote_path);
2123: free(conn);
1.66 jaredy 2124:
2125: if (el != NULL)
2126: el_end(el);
1.44 djm 2127:
2128: /* err == 1 signifies normal "quit" exit */
2129: return (err >= 0 ? 0 : -1);
2130: }
1.34 fgsch 2131:
1.18 itojun 2132: static void
1.36 djm 2133: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2134: {
2135: int c_in, c_out;
1.30 deraadt 2136:
1.1 djm 2137: int inout[2];
1.30 deraadt 2138:
1.1 djm 2139: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2140: fatal("socketpair: %s", strerror(errno));
2141: *in = *out = inout[0];
2142: c_in = c_out = inout[1];
2143:
1.36 djm 2144: if ((sshpid = fork()) == -1)
1.1 djm 2145: fatal("fork: %s", strerror(errno));
1.36 djm 2146: else if (sshpid == 0) {
1.1 djm 2147: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2148: (dup2(c_out, STDOUT_FILENO) == -1)) {
2149: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2150: _exit(1);
1.1 djm 2151: }
2152: close(*in);
2153: close(*out);
2154: close(c_in);
2155: close(c_out);
1.46 djm 2156:
2157: /*
2158: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2159: * ignore SIGINT if we want to gracefully abort commands,
2160: * otherwise the signal will make it to the ssh process and
1.122 guenther 2161: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2162: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2163: */
2164: signal(SIGINT, SIG_IGN);
1.122 guenther 2165: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2166: execvp(path, args);
1.23 djm 2167: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2168: _exit(1);
1.1 djm 2169: }
2170:
1.36 djm 2171: signal(SIGTERM, killchild);
2172: signal(SIGINT, killchild);
2173: signal(SIGHUP, killchild);
1.1 djm 2174: close(c_in);
2175: close(c_out);
2176: }
2177:
1.18 itojun 2178: static void
1.1 djm 2179: usage(void)
2180: {
1.25 mpech 2181: extern char *__progname;
1.27 markus 2182:
1.19 stevesk 2183: fprintf(stderr,
1.157 jmc 2184: "usage: %s [-1246aCfpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2185: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2186: "[-i identity_file] [-l limit]\n"
1.110 jmc 2187: " [-o ssh_option] [-P port] [-R num_requests] "
2188: "[-S program]\n"
1.108 djm 2189: " [-s subsystem | sftp_server] host\n"
1.105 djm 2190: " %s [user@]host[:file ...]\n"
2191: " %s [user@]host[:dir[/]]\n"
1.108 djm 2192: " %s -b batchfile [user@]host\n",
2193: __progname, __progname, __progname, __progname);
1.1 djm 2194: exit(1);
2195: }
2196:
1.2 stevesk 2197: int
1.1 djm 2198: main(int argc, char **argv)
2199: {
1.33 djm 2200: int in, out, ch, err;
1.117 dtucker 2201: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2202: int debug_level = 0, sshver = 2;
2203: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2204: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2205: const char *errstr;
1.17 mouring 2206: LogLevel ll = SYSLOG_LEVEL_INFO;
2207: arglist args;
1.3 djm 2208: extern int optind;
2209: extern char *optarg;
1.112 djm 2210: struct sftp_conn *conn;
2211: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2212: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2213: long long limit_kbps = 0;
1.67 djm 2214:
1.172 dtucker 2215: ssh_malloc_init(); /* must be called before any mallocs */
1.67 djm 2216: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2217: sanitise_stdfd();
1.146 dtucker 2218: setlocale(LC_CTYPE, "");
1.1 djm 2219:
1.70 djm 2220: memset(&args, '\0', sizeof(args));
1.17 mouring 2221: args.list = NULL;
1.80 djm 2222: addargs(&args, "%s", ssh_program);
1.17 mouring 2223: addargs(&args, "-oForwardX11 no");
2224: addargs(&args, "-oForwardAgent no");
1.69 reyk 2225: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2226: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2227:
1.17 mouring 2228: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2229: infile = stdin;
1.3 djm 2230:
1.109 djm 2231: while ((ch = getopt(argc, argv,
1.156 djm 2232: "1246afhpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2233: switch (ch) {
1.108 djm 2234: /* Passed through to ssh(1) */
2235: case '4':
2236: case '6':
1.3 djm 2237: case 'C':
1.108 djm 2238: addargs(&args, "-%c", ch);
2239: break;
2240: /* Passed through to ssh(1) with argument */
2241: case 'F':
2242: case 'c':
2243: case 'i':
2244: case 'o':
1.113 halex 2245: addargs(&args, "-%c", ch);
2246: addargs(&args, "%s", optarg);
1.108 djm 2247: break;
2248: case 'q':
1.143 djm 2249: ll = SYSLOG_LEVEL_ERROR;
2250: quiet = 1;
1.108 djm 2251: showprogress = 0;
2252: addargs(&args, "-%c", ch);
1.3 djm 2253: break;
1.109 djm 2254: case 'P':
2255: addargs(&args, "-oPort %s", optarg);
2256: break;
1.3 djm 2257: case 'v':
1.17 mouring 2258: if (debug_level < 3) {
2259: addargs(&args, "-v");
2260: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2261: }
2262: debug_level++;
1.3 djm 2263: break;
1.7 markus 2264: case '1':
1.17 mouring 2265: sshver = 1;
1.7 markus 2266: if (sftp_server == NULL)
2267: sftp_server = _PATH_SFTP_SERVER;
2268: break;
1.108 djm 2269: case '2':
2270: sshver = 2;
1.148 djm 2271: break;
2272: case 'a':
2273: global_aflag = 1;
1.7 markus 2274: break;
1.108 djm 2275: case 'B':
2276: copy_buffer_len = strtol(optarg, &cp, 10);
2277: if (copy_buffer_len == 0 || *cp != '\0')
2278: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2279: break;
1.10 deraadt 2280: case 'b':
1.39 djm 2281: if (batchmode)
2282: fatal("Batch file already specified.");
2283:
2284: /* Allow "-" as stdin */
1.56 deraadt 2285: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2286: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2287: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2288: showprogress = 0;
1.143 djm 2289: quiet = batchmode = 1;
1.62 djm 2290: addargs(&args, "-obatchmode yes");
1.156 djm 2291: break;
2292: case 'f':
2293: global_fflag = 1;
1.10 deraadt 2294: break;
1.111 djm 2295: case 'p':
2296: global_pflag = 1;
2297: break;
1.109 djm 2298: case 'D':
1.23 djm 2299: sftp_direct = optarg;
1.111 djm 2300: break;
1.126 djm 2301: case 'l':
2302: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2303: &errstr);
2304: if (errstr != NULL)
2305: usage();
2306: limit_kbps *= 1024; /* kbps */
2307: break;
1.111 djm 2308: case 'r':
2309: global_rflag = 1;
1.24 djm 2310: break;
1.26 djm 2311: case 'R':
2312: num_requests = strtol(optarg, &cp, 10);
2313: if (num_requests == 0 || *cp != '\0')
1.27 markus 2314: fatal("Invalid number of requests \"%s\"",
1.26 djm 2315: optarg);
1.108 djm 2316: break;
2317: case 's':
2318: sftp_server = optarg;
2319: break;
2320: case 'S':
2321: ssh_program = optarg;
2322: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2323: break;
1.3 djm 2324: case 'h':
2325: default:
1.1 djm 2326: usage();
2327: }
2328: }
1.45 djm 2329:
2330: if (!isatty(STDERR_FILENO))
2331: showprogress = 0;
1.1 djm 2332:
1.29 markus 2333: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2334:
1.23 djm 2335: if (sftp_direct == NULL) {
2336: if (optind == argc || argc > (optind + 2))
2337: usage();
2338:
2339: userhost = xstrdup(argv[optind]);
2340: file2 = argv[optind+1];
1.1 djm 2341:
1.32 markus 2342: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2343: host = userhost;
2344: else {
2345: *host++ = '\0';
2346: if (!userhost[0]) {
2347: fprintf(stderr, "Missing username\n");
2348: usage();
2349: }
1.115 guenther 2350: addargs(&args, "-l");
2351: addargs(&args, "%s", userhost);
1.41 djm 2352: }
2353:
2354: if ((cp = colon(host)) != NULL) {
2355: *cp++ = '\0';
2356: file1 = cp;
1.23 djm 2357: }
1.3 djm 2358:
1.23 djm 2359: host = cleanhostname(host);
2360: if (!*host) {
2361: fprintf(stderr, "Missing hostname\n");
1.1 djm 2362: usage();
2363: }
2364:
1.23 djm 2365: addargs(&args, "-oProtocol %d", sshver);
2366:
2367: /* no subsystem if the server-spec contains a '/' */
2368: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2369: addargs(&args, "-s");
2370:
1.115 guenther 2371: addargs(&args, "--");
1.23 djm 2372: addargs(&args, "%s", host);
1.27 markus 2373: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2374: sftp_server : "sftp"));
2375:
1.36 djm 2376: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2377: } else {
2378: args.list = NULL;
2379: addargs(&args, "sftp-server");
2380:
1.36 djm 2381: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2382: }
1.70 djm 2383: freeargs(&args);
1.1 djm 2384:
1.126 djm 2385: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2386: if (conn == NULL)
2387: fatal("Couldn't initialise connection to server");
2388:
1.143 djm 2389: if (!quiet) {
1.112 djm 2390: if (sftp_direct == NULL)
2391: fprintf(stderr, "Connected to %s.\n", host);
2392: else
2393: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2394: }
2395:
2396: err = interactive_loop(conn, file1, file2);
1.1 djm 2397:
2398: close(in);
2399: close(out);
1.39 djm 2400: if (batchmode)
1.10 deraadt 2401: fclose(infile);
1.1 djm 2402:
1.28 markus 2403: while (waitpid(sshpid, NULL, 0) == -1)
2404: if (errno != EINTR)
2405: fatal("Couldn't wait for ssh process: %s",
2406: strerror(errno));
1.1 djm 2407:
1.33 djm 2408: exit(err == 0 ? 0 : 1);
1.1 djm 2409: }
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