Annotation of src/usr.bin/ssh/sftp.c, Revision 1.198
1.198 ! dtucker 1: /* $OpenBSD: sftp.c,v 1.197 2020/01/23 07:10:22 dtucker 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>
1.1 djm 40:
41: #include "xmalloc.h"
42: #include "log.h"
43: #include "pathnames.h"
1.16 mouring 44: #include "misc.h"
1.174 schwarze 45: #include "utf8.h"
1.1 djm 46:
47: #include "sftp.h"
1.169 djm 48: #include "ssherr.h"
49: #include "sshbuf.h"
1.1 djm 50: #include "sftp-common.h"
51: #include "sftp-client.h"
1.43 djm 52:
1.112 djm 53: #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
54: #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
55:
1.44 djm 56: /* File to read commands from */
57: FILE* infile;
1.15 mouring 58:
1.44 djm 59: /* Are we in batchfile mode? */
1.39 djm 60: int batchmode = 0;
1.44 djm 61:
62: /* PID of ssh transport process */
1.185 bluhm 63: static volatile pid_t sshpid = -1;
1.7 markus 64:
1.143 djm 65: /* Suppress diagnositic messages */
66: int quiet = 0;
67:
1.44 djm 68: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 69: int showprogress = 1;
1.44 djm 70:
1.111 djm 71: /* When this option is set, we always recursively download/upload directories */
72: int global_rflag = 0;
73:
1.159 logan 74: /* When this option is set, we resume download or upload if possible */
1.148 djm 75: int global_aflag = 0;
76:
1.111 djm 77: /* When this option is set, the file transfers will always preserve times */
78: int global_pflag = 0;
79:
1.156 djm 80: /* When this option is set, transfers will have fsync() called on each file */
81: int global_fflag = 0;
82:
1.46 djm 83: /* SIGINT received during command processing */
84: volatile sig_atomic_t interrupted = 0;
85:
1.52 djm 86: /* I wish qsort() took a separate ctx for the comparison function...*/
87: int sort_flag;
1.180 djm 88: glob_t *sort_glob;
1.52 djm 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:
1.96 stevesk 197: /* ARGSUSED */
1.44 djm 198: static void
1.46 djm 199: killchild(int signo)
200: {
1.196 djm 201: pid_t pid;
202:
203: pid = sshpid;
204: if (pid > 1) {
205: kill(pid, SIGTERM);
206: waitpid(pid, NULL, 0);
1.61 dtucker 207: }
1.46 djm 208:
209: _exit(1);
210: }
211:
1.96 stevesk 212: /* ARGSUSED */
1.46 djm 213: static void
1.177 millert 214: suspchild(int signo)
215: {
216: if (sshpid > 1) {
217: kill(sshpid, signo);
218: while (waitpid(sshpid, NULL, WUNTRACED) == -1 && errno == EINTR)
219: continue;
220: }
221: kill(getpid(), SIGSTOP);
222: }
223:
224: /* ARGSUSED */
225: static void
1.46 djm 226: cmd_interrupt(int signo)
227: {
228: const char msg[] = "\rInterrupt \n";
1.59 djm 229: int olderrno = errno;
1.46 djm 230:
1.144 dtucker 231: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 232: interrupted = 1;
1.59 djm 233: errno = olderrno;
1.46 djm 234: }
235:
1.184 djm 236: /*ARGSUSED*/
237: static void
238: sigchld_handler(int sig)
239: {
240: int save_errno = errno;
241: pid_t pid;
242: const char msg[] = "\rConnection closed. \n";
243:
244: /* Report if ssh transport process dies. */
245: while ((pid = waitpid(sshpid, NULL, WNOHANG)) == -1 && errno == EINTR)
246: continue;
1.185 bluhm 247: if (pid == sshpid) {
1.184 djm 248: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.185 bluhm 249: sshpid = -1;
250: }
1.184 djm 251:
252: errno = save_errno;
253: }
254:
1.46 djm 255: static void
1.44 djm 256: help(void)
257: {
1.106 sobrado 258: printf("Available commands:\n"
259: "bye Quit sftp\n"
260: "cd path Change remote directory to 'path'\n"
1.189 djm 261: "chgrp [-h] grp path Change group of file 'path' to 'grp'\n"
262: "chmod [-h] mode path Change permissions of file 'path' to 'mode'\n"
263: "chown [-h] own path Change owner of file 'path' to 'own'\n"
1.106 sobrado 264: "df [-hi] [path] Display statistics for current directory or\n"
265: " filesystem containing 'path'\n"
266: "exit Quit sftp\n"
1.193 jmc 267: "get [-afpR] remote [local] Download file\n"
1.106 sobrado 268: "help Display this help text\n"
269: "lcd path Change local directory to 'path'\n"
270: "lls [ls-options [path]] Display local directory listing\n"
271: "lmkdir path Create local directory\n"
1.132 djm 272: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 273: "lpwd Print local working directory\n"
1.121 jmc 274: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 275: "lumask umask Set local umask to 'umask'\n"
276: "mkdir path Create remote directory\n"
277: "progress Toggle display of progress meter\n"
1.193 jmc 278: "put [-afpR] local [remote] Upload file\n"
1.106 sobrado 279: "pwd Display remote working directory\n"
280: "quit Quit sftp\n"
1.193 jmc 281: "reget [-fpR] remote [local] Resume download file\n"
1.106 sobrado 282: "rename oldpath newpath Rename remote file\n"
1.193 jmc 283: "reput [-fpR] local [remote] Resume upload file\n"
1.106 sobrado 284: "rm path Delete remote file\n"
285: "rmdir path Remove remote directory\n"
286: "symlink oldpath newpath Symlink remote file\n"
287: "version Show SFTP version\n"
288: "!command Execute 'command' in local shell\n"
289: "! Escape to local shell\n"
290: "? Synonym for help\n");
1.44 djm 291: }
292:
293: static void
294: local_do_shell(const char *args)
295: {
296: int status;
297: char *shell;
298: pid_t pid;
299:
300: if (!*args)
301: args = NULL;
302:
1.130 djm 303: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 304: shell = _PATH_BSHELL;
305:
306: if ((pid = fork()) == -1)
307: fatal("Couldn't fork: %s", strerror(errno));
308:
309: if (pid == 0) {
310: /* XXX: child has pipe fds to ssh subproc open - issue? */
311: if (args) {
312: debug3("Executing %s -c \"%s\"", shell, args);
313: execl(shell, shell, "-c", args, (char *)NULL);
314: } else {
315: debug3("Executing %s", shell);
316: execl(shell, shell, (char *)NULL);
317: }
318: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
319: strerror(errno));
320: _exit(1);
321: }
322: while (waitpid(pid, &status, 0) == -1)
323: if (errno != EINTR)
324: fatal("Couldn't wait for child: %s", strerror(errno));
325: if (!WIFEXITED(status))
1.78 djm 326: error("Shell exited abnormally");
1.44 djm 327: else if (WEXITSTATUS(status))
328: error("Shell exited with status %d", WEXITSTATUS(status));
329: }
330:
331: static void
332: local_do_ls(const char *args)
333: {
334: if (!args || !*args)
335: local_do_shell(_PATH_LS);
336: else {
337: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
338: char *buf = xmalloc(len);
339:
340: /* XXX: quoting - rip quoting code from ftp? */
341: snprintf(buf, len, _PATH_LS " %s", args);
342: local_do_shell(buf);
1.145 djm 343: free(buf);
1.44 djm 344: }
345: }
346:
347: /* Strip one path (usually the pwd) from the start of another */
348: static char *
1.175 djm 349: path_strip(const char *path, const char *strip)
1.44 djm 350: {
351: size_t len;
352:
353: if (strip == NULL)
354: return (xstrdup(path));
355:
356: len = strlen(strip);
1.59 djm 357: if (strncmp(path, strip, len) == 0) {
1.44 djm 358: if (strip[len - 1] != '/' && path[len] == '/')
359: len++;
360: return (xstrdup(path + len));
361: }
362:
363: return (xstrdup(path));
364: }
365:
366: static char *
1.175 djm 367: make_absolute(char *p, const char *pwd)
1.44 djm 368: {
1.51 avsm 369: char *abs_str;
1.44 djm 370:
371: /* Derelativise */
1.188 djm 372: if (p && !path_absolute(p)) {
1.51 avsm 373: abs_str = path_append(pwd, p);
1.145 djm 374: free(p);
1.51 avsm 375: return(abs_str);
1.44 djm 376: } else
377: return(p);
378: }
379:
380: static int
1.148 djm 381: parse_getput_flags(const char *cmd, char **argv, int argc,
1.156 djm 382: int *aflag, int *fflag, int *pflag, int *rflag)
1.44 djm 383: {
1.102 martynas 384: extern int opterr, optind, optopt, optreset;
1.97 djm 385: int ch;
1.44 djm 386:
1.97 djm 387: optind = optreset = 1;
388: opterr = 0;
389:
1.156 djm 390: *aflag = *fflag = *rflag = *pflag = 0;
391: while ((ch = getopt(argc, argv, "afPpRr")) != -1) {
1.97 djm 392: switch (ch) {
1.148 djm 393: case 'a':
394: *aflag = 1;
395: break;
1.156 djm 396: case 'f':
397: *fflag = 1;
398: break;
1.44 djm 399: case 'p':
400: case 'P':
401: *pflag = 1;
402: break;
1.111 djm 403: case 'r':
404: case 'R':
405: *rflag = 1;
406: break;
1.44 djm 407: default:
1.102 martynas 408: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 409: return -1;
1.44 djm 410: }
411: }
412:
1.97 djm 413: return optind;
1.44 djm 414: }
415:
416: static int
1.132 djm 417: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
418: {
419: extern int opterr, optind, optopt, optreset;
420: int ch;
421:
422: optind = optreset = 1;
423: opterr = 0;
424:
425: *sflag = 0;
426: while ((ch = getopt(argc, argv, "s")) != -1) {
427: switch (ch) {
428: case 's':
429: *sflag = 1;
430: break;
431: default:
432: error("%s: Invalid flag -%c", cmd, optopt);
433: return -1;
434: }
435: }
436:
437: return optind;
438: }
439:
440: static int
1.152 djm 441: parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag)
442: {
443: extern int opterr, optind, optopt, optreset;
444: int ch;
445:
446: optind = optreset = 1;
447: opterr = 0;
448:
449: *lflag = 0;
450: while ((ch = getopt(argc, argv, "l")) != -1) {
451: switch (ch) {
452: case 'l':
453: *lflag = 1;
454: break;
455: default:
456: error("%s: Invalid flag -%c", cmd, optopt);
457: return -1;
458: }
459: }
460:
461: return optind;
462: }
463:
464: static int
1.97 djm 465: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 466: {
1.102 martynas 467: extern int opterr, optind, optopt, optreset;
1.97 djm 468: int ch;
469:
470: optind = optreset = 1;
471: opterr = 0;
1.44 djm 472:
1.53 djm 473: *lflag = LS_NAME_SORT;
1.119 djm 474: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 475: switch (ch) {
476: case '1':
477: *lflag &= ~VIEW_FLAGS;
478: *lflag |= LS_SHORT_VIEW;
479: break;
480: case 'S':
481: *lflag &= ~SORT_FLAGS;
482: *lflag |= LS_SIZE_SORT;
483: break;
484: case 'a':
485: *lflag |= LS_SHOW_ALL;
486: break;
487: case 'f':
488: *lflag &= ~SORT_FLAGS;
489: break;
1.119 djm 490: case 'h':
491: *lflag |= LS_SI_UNITS;
492: break;
1.97 djm 493: case 'l':
1.119 djm 494: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 495: *lflag |= LS_LONG_VIEW;
496: break;
497: case 'n':
1.119 djm 498: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 499: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
500: break;
501: case 'r':
502: *lflag |= LS_REVERSE_SORT;
503: break;
504: case 't':
505: *lflag &= ~SORT_FLAGS;
506: *lflag |= LS_TIME_SORT;
507: break;
508: default:
1.102 martynas 509: error("ls: Invalid flag -%c", optopt);
1.97 djm 510: return -1;
1.44 djm 511: }
512: }
513:
1.97 djm 514: return optind;
1.44 djm 515: }
516:
517: static int
1.100 djm 518: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
519: {
1.102 martynas 520: extern int opterr, optind, optopt, optreset;
1.100 djm 521: int ch;
522:
523: optind = optreset = 1;
524: opterr = 0;
525:
526: *hflag = *iflag = 0;
527: while ((ch = getopt(argc, argv, "hi")) != -1) {
528: switch (ch) {
529: case 'h':
530: *hflag = 1;
531: break;
532: case 'i':
533: *iflag = 1;
534: break;
535: default:
1.102 martynas 536: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 537: return -1;
538: }
539: }
540:
541: return optind;
542: }
543:
544: static int
1.189 djm 545: parse_ch_flags(const char *cmd, char **argv, int argc, int *hflag)
546: {
547: extern int opterr, optind, optopt, optreset;
548: int ch;
549:
550: optind = optreset = 1;
551: opterr = 0;
552:
553: *hflag = 0;
554: while ((ch = getopt(argc, argv, "h")) != -1) {
555: switch (ch) {
556: case 'h':
557: *hflag = 1;
558: break;
559: default:
560: error("%s: Invalid flag -%c", cmd, optopt);
561: return -1;
562: }
563: }
564:
565: return optind;
566: }
567:
568: static int
1.153 djm 569: parse_no_flags(const char *cmd, char **argv, int argc)
570: {
571: extern int opterr, optind, optopt, optreset;
572: int ch;
573:
574: optind = optreset = 1;
575: opterr = 0;
576:
577: while ((ch = getopt(argc, argv, "")) != -1) {
578: switch (ch) {
579: default:
580: error("%s: Invalid flag -%c", cmd, optopt);
581: return -1;
582: }
583: }
584:
585: return optind;
586: }
587:
588: static int
1.175 djm 589: is_dir(const char *path)
1.44 djm 590: {
591: struct stat sb;
592:
593: /* XXX: report errors? */
594: if (stat(path, &sb) == -1)
595: return(0);
596:
1.92 otto 597: return(S_ISDIR(sb.st_mode));
1.44 djm 598: }
599:
600: static int
1.175 djm 601: remote_is_dir(struct sftp_conn *conn, const char *path)
1.44 djm 602: {
603: Attrib *a;
604:
605: /* XXX: report errors? */
606: if ((a = do_stat(conn, path, 1)) == NULL)
607: return(0);
608: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
609: return(0);
1.92 otto 610: return(S_ISDIR(a->perm));
1.44 djm 611: }
612:
1.111 djm 613: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
614: static int
1.175 djm 615: pathname_is_dir(const char *pathname)
1.111 djm 616: {
617: size_t l = strlen(pathname);
618:
619: return l > 0 && pathname[l - 1] == '/';
620: }
621:
1.44 djm 622: static int
1.175 djm 623: process_get(struct sftp_conn *conn, const char *src, const char *dst,
624: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 625: {
626: char *abs_src = NULL;
627: char *abs_dst = NULL;
628: glob_t g;
1.111 djm 629: char *filename, *tmp=NULL;
1.164 djm 630: int i, r, err = 0;
1.44 djm 631:
632: abs_src = xstrdup(src);
633: abs_src = make_absolute(abs_src, pwd);
1.111 djm 634: memset(&g, 0, sizeof(g));
1.44 djm 635:
636: debug3("Looking up %s", abs_src);
1.164 djm 637: if ((r = remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) != 0) {
638: if (r == GLOB_NOSPACE) {
639: error("Too many matches for \"%s\".", abs_src);
640: } else {
641: error("File \"%s\" not found.", abs_src);
642: }
1.44 djm 643: err = -1;
644: goto out;
645: }
646:
1.111 djm 647: /*
648: * If multiple matches then dst must be a directory or
649: * unspecified.
650: */
651: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
652: error("Multiple source paths, but destination "
653: "\"%s\" is not a directory", dst);
1.44 djm 654: err = -1;
655: goto out;
656: }
657:
1.46 djm 658: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 659: tmp = xstrdup(g.gl_pathv[i]);
660: if ((filename = basename(tmp)) == NULL) {
661: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 662: free(tmp);
1.44 djm 663: err = -1;
664: goto out;
665: }
666:
667: if (g.gl_matchc == 1 && dst) {
668: if (is_dir(dst)) {
1.111 djm 669: abs_dst = path_append(dst, filename);
670: } else {
1.44 djm 671: abs_dst = xstrdup(dst);
1.111 djm 672: }
1.44 djm 673: } else if (dst) {
1.111 djm 674: abs_dst = path_append(dst, filename);
675: } else {
676: abs_dst = xstrdup(filename);
677: }
1.145 djm 678: free(tmp);
1.44 djm 679:
1.148 djm 680: resume |= global_aflag;
681: if (!quiet && resume)
1.174 schwarze 682: mprintf("Resuming %s to %s\n",
683: g.gl_pathv[i], abs_dst);
1.148 djm 684: else if (!quiet && !resume)
1.174 schwarze 685: mprintf("Fetching %s to %s\n",
686: g.gl_pathv[i], abs_dst);
1.111 djm 687: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 688: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 689: pflag || global_pflag, 1, resume,
690: fflag || global_fflag) == -1)
1.111 djm 691: err = -1;
692: } else {
693: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 694: pflag || global_pflag, resume,
695: fflag || global_fflag) == -1)
1.111 djm 696: err = -1;
697: }
1.145 djm 698: free(abs_dst);
1.44 djm 699: abs_dst = NULL;
700: }
701:
702: out:
1.145 djm 703: free(abs_src);
1.44 djm 704: globfree(&g);
705: return(err);
706: }
707:
708: static int
1.175 djm 709: process_put(struct sftp_conn *conn, const char *src, const char *dst,
710: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 711: {
712: char *tmp_dst = NULL;
713: char *abs_dst = NULL;
1.111 djm 714: char *tmp = NULL, *filename = NULL;
1.44 djm 715: glob_t g;
716: int err = 0;
1.111 djm 717: int i, dst_is_dir = 1;
1.99 djm 718: struct stat sb;
1.44 djm 719:
720: if (dst) {
721: tmp_dst = xstrdup(dst);
722: tmp_dst = make_absolute(tmp_dst, pwd);
723: }
724:
725: memset(&g, 0, sizeof(g));
726: debug3("Looking up %s", src);
1.111 djm 727: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 728: error("File \"%s\" not found.", src);
729: err = -1;
730: goto out;
731: }
732:
1.111 djm 733: /* If we aren't fetching to pwd then stash this status for later */
734: if (tmp_dst != NULL)
735: dst_is_dir = remote_is_dir(conn, tmp_dst);
736:
1.44 djm 737: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 738: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
739: error("Multiple paths match, but destination "
740: "\"%s\" is not a directory", tmp_dst);
1.44 djm 741: err = -1;
742: goto out;
743: }
744:
1.46 djm 745: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 746: if (stat(g.gl_pathv[i], &sb) == -1) {
747: err = -1;
748: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
749: continue;
750: }
1.149 djm 751:
1.111 djm 752: tmp = xstrdup(g.gl_pathv[i]);
753: if ((filename = basename(tmp)) == NULL) {
754: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 755: free(tmp);
1.44 djm 756: err = -1;
757: goto out;
758: }
759:
760: if (g.gl_matchc == 1 && tmp_dst) {
761: /* If directory specified, append filename */
1.111 djm 762: if (dst_is_dir)
763: abs_dst = path_append(tmp_dst, filename);
764: else
1.44 djm 765: abs_dst = xstrdup(tmp_dst);
766: } else if (tmp_dst) {
1.111 djm 767: abs_dst = path_append(tmp_dst, filename);
768: } else {
769: abs_dst = make_absolute(xstrdup(filename), pwd);
770: }
1.145 djm 771: free(tmp);
1.44 djm 772:
1.159 logan 773: resume |= global_aflag;
774: if (!quiet && resume)
1.174 schwarze 775: mprintf("Resuming upload of %s to %s\n",
776: g.gl_pathv[i], abs_dst);
1.159 logan 777: else if (!quiet && !resume)
1.174 schwarze 778: mprintf("Uploading %s to %s\n",
779: g.gl_pathv[i], abs_dst);
1.111 djm 780: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
781: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.159 logan 782: pflag || global_pflag, 1, resume,
1.156 djm 783: fflag || global_fflag) == -1)
1.111 djm 784: err = -1;
785: } else {
786: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.159 logan 787: pflag || global_pflag, resume,
1.156 djm 788: fflag || global_fflag) == -1)
1.111 djm 789: err = -1;
790: }
1.44 djm 791: }
792:
793: out:
1.145 djm 794: free(abs_dst);
795: free(tmp_dst);
1.44 djm 796: globfree(&g);
797: return(err);
798: }
799:
800: static int
801: sdirent_comp(const void *aa, const void *bb)
802: {
803: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
804: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 805: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 806:
1.52 djm 807: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 808: if (sort_flag & LS_NAME_SORT)
1.52 djm 809: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 810: else if (sort_flag & LS_TIME_SORT)
1.52 djm 811: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 812: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 813: return (rmul * NCMP(a->a.size, b->a.size));
814:
815: fatal("Unknown ls sort type");
1.44 djm 816: }
817:
818: /* sftp ls.1 replacement for directories */
819: static int
1.175 djm 820: do_ls_dir(struct sftp_conn *conn, const char *path,
821: const char *strip_path, int lflag)
1.44 djm 822: {
1.64 djm 823: int n;
824: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 825: SFTP_DIRENT **d;
826:
827: if ((n = do_readdir(conn, path, &d)) != 0)
828: return (n);
829:
1.53 djm 830: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 831: u_int m = 0, width = 80;
1.44 djm 832: struct winsize ws;
833: char *tmp;
834:
835: /* Count entries for sort and find longest filename */
1.54 djm 836: for (n = 0; d[n] != NULL; n++) {
837: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
1.176 deraadt 838: m = MAXIMUM(m, strlen(d[n]->filename));
1.54 djm 839: }
1.44 djm 840:
841: /* Add any subpath that also needs to be counted */
842: tmp = path_strip(path, strip_path);
843: m += strlen(tmp);
1.145 djm 844: free(tmp);
1.44 djm 845:
846: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
847: width = ws.ws_col;
848:
849: columns = width / (m + 2);
1.176 deraadt 850: columns = MAXIMUM(columns, 1);
1.44 djm 851: colspace = width / columns;
1.176 deraadt 852: colspace = MINIMUM(colspace, width);
1.44 djm 853: }
854:
1.52 djm 855: if (lflag & SORT_FLAGS) {
1.68 dtucker 856: for (n = 0; d[n] != NULL; n++)
857: ; /* count entries */
1.53 djm 858: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 859: qsort(d, n, sizeof(*d), sdirent_comp);
860: }
1.44 djm 861:
1.46 djm 862: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 863: char *tmp, *fname;
1.54 djm 864:
865: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
866: continue;
1.44 djm 867:
868: tmp = path_append(path, d[n]->filename);
869: fname = path_strip(tmp, strip_path);
1.145 djm 870: free(tmp);
1.44 djm 871:
1.53 djm 872: if (lflag & LS_LONG_VIEW) {
1.119 djm 873: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 874: char *lname;
875: struct stat sb;
876:
877: memset(&sb, 0, sizeof(sb));
878: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 879: lname = ls_file(fname, &sb, 1,
880: (lflag & LS_SI_UNITS));
1.174 schwarze 881: mprintf("%s\n", lname);
1.145 djm 882: free(lname);
1.50 djm 883: } else
1.174 schwarze 884: mprintf("%s\n", d[n]->longname);
1.44 djm 885: } else {
1.174 schwarze 886: mprintf("%-*s", colspace, fname);
1.44 djm 887: if (c >= columns) {
888: printf("\n");
889: c = 1;
890: } else
891: c++;
892: }
893:
1.145 djm 894: free(fname);
1.44 djm 895: }
896:
1.53 djm 897: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 898: printf("\n");
899:
900: free_sftp_dirents(d);
901: return (0);
902: }
903:
1.180 djm 904: static int
905: sglob_comp(const void *aa, const void *bb)
906: {
907: u_int a = *(const u_int *)aa;
908: u_int b = *(const u_int *)bb;
909: const char *ap = sort_glob->gl_pathv[a];
910: const char *bp = sort_glob->gl_pathv[b];
911: const struct stat *as = sort_glob->gl_statv[a];
912: const struct stat *bs = sort_glob->gl_statv[b];
913: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
914:
915: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
916: if (sort_flag & LS_NAME_SORT)
917: return (rmul * strcmp(ap, bp));
918: else if (sort_flag & LS_TIME_SORT)
919: return (rmul * timespeccmp(&as->st_mtim, &bs->st_mtim, <));
920: else if (sort_flag & LS_SIZE_SORT)
921: return (rmul * NCMP(as->st_size, bs->st_size));
922:
923: fatal("Unknown ls sort type");
924: }
925:
1.44 djm 926: /* sftp ls.1 replacement which handles path globs */
927: static int
1.175 djm 928: do_globbed_ls(struct sftp_conn *conn, const char *path,
929: const char *strip_path, int lflag)
1.44 djm 930: {
1.129 djm 931: char *fname, *lname;
1.44 djm 932: glob_t g;
1.164 djm 933: int err, r;
1.129 djm 934: struct winsize ws;
1.180 djm 935: u_int i, j, nentries, *indices = NULL, c = 1;
936: u_int colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 937:
938: memset(&g, 0, sizeof(g));
939:
1.164 djm 940: if ((r = remote_glob(conn, path,
1.133 djm 941: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
1.164 djm 942: NULL, &g)) != 0 ||
1.128 djm 943: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 944: if (g.gl_pathc)
945: globfree(&g);
1.164 djm 946: if (r == GLOB_NOSPACE) {
947: error("Can't ls: Too many matches for \"%s\"", path);
948: } else {
949: error("Can't ls: \"%s\" not found", path);
950: }
1.128 djm 951: return -1;
1.44 djm 952: }
953:
1.46 djm 954: if (interrupted)
955: goto out;
956:
1.44 djm 957: /*
1.60 fgsch 958: * If the glob returns a single match and it is a directory,
959: * then just list its contents.
1.44 djm 960: */
1.128 djm 961: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
962: S_ISDIR(g.gl_statv[0]->st_mode)) {
963: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
964: globfree(&g);
965: return err;
1.44 djm 966: }
967:
1.129 djm 968: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
969: width = ws.ws_col;
970:
1.53 djm 971: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 972: /* Count entries for sort and find longest filename */
973: for (i = 0; g.gl_pathv[i]; i++)
1.176 deraadt 974: m = MAXIMUM(m, strlen(g.gl_pathv[i]));
1.44 djm 975:
976: columns = width / (m + 2);
1.176 deraadt 977: columns = MAXIMUM(columns, 1);
1.44 djm 978: colspace = width / columns;
979: }
980:
1.180 djm 981: /*
982: * Sorting: rather than mess with the contents of glob_t, prepare
983: * an array of indices into it and sort that. For the usual
984: * unsorted case, the indices are just the identity 1=1, 2=2, etc.
985: */
986: for (nentries = 0; g.gl_pathv[nentries] != NULL; nentries++)
987: ; /* count entries */
988: indices = calloc(nentries, sizeof(*indices));
989: for (i = 0; i < nentries; i++)
990: indices[i] = i;
991:
992: if (lflag & SORT_FLAGS) {
993: sort_glob = &g;
994: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
995: qsort(indices, nentries, sizeof(*indices), sglob_comp);
996: sort_glob = NULL;
997: }
998:
999: for (j = 0; j < nentries && !interrupted; j++) {
1000: i = indices[j];
1.44 djm 1001: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 1002: if (lflag & LS_LONG_VIEW) {
1.128 djm 1003: if (g.gl_statv[i] == NULL) {
1004: error("no stat information for %s", fname);
1005: continue;
1006: }
1007: lname = ls_file(fname, g.gl_statv[i], 1,
1008: (lflag & LS_SI_UNITS));
1.174 schwarze 1009: mprintf("%s\n", lname);
1.145 djm 1010: free(lname);
1.44 djm 1011: } else {
1.174 schwarze 1012: mprintf("%-*s", colspace, fname);
1.44 djm 1013: if (c >= columns) {
1014: printf("\n");
1015: c = 1;
1016: } else
1017: c++;
1018: }
1.145 djm 1019: free(fname);
1.44 djm 1020: }
1021:
1.53 djm 1022: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 1023: printf("\n");
1024:
1.46 djm 1025: out:
1.44 djm 1026: if (g.gl_pathc)
1027: globfree(&g);
1.180 djm 1028: free(indices);
1.44 djm 1029:
1.128 djm 1030: return 0;
1.44 djm 1031: }
1032:
1.100 djm 1033: static int
1.175 djm 1034: do_df(struct sftp_conn *conn, const char *path, int hflag, int iflag)
1.100 djm 1035: {
1.101 dtucker 1036: struct sftp_statvfs st;
1.178 djm 1037: char s_used[FMT_SCALED_STRSIZE], s_avail[FMT_SCALED_STRSIZE];
1038: char s_root[FMT_SCALED_STRSIZE], s_total[FMT_SCALED_STRSIZE];
1039: char s_icapacity[16], s_dcapacity[16];
1.100 djm 1040:
1041: if (do_statvfs(conn, path, &st, 1) == -1)
1042: return -1;
1.178 djm 1043: if (st.f_files == 0)
1044: strlcpy(s_icapacity, "ERR", sizeof(s_icapacity));
1045: else {
1046: snprintf(s_icapacity, sizeof(s_icapacity), "%3llu%%",
1047: (unsigned long long)(100 * (st.f_files - st.f_ffree) /
1048: st.f_files));
1049: }
1050: if (st.f_blocks == 0)
1051: strlcpy(s_dcapacity, "ERR", sizeof(s_dcapacity));
1052: else {
1053: snprintf(s_dcapacity, sizeof(s_dcapacity), "%3llu%%",
1054: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
1055: st.f_blocks));
1056: }
1.100 djm 1057: if (iflag) {
1058: printf(" Inodes Used Avail "
1059: "(root) %%Capacity\n");
1.178 djm 1060: printf("%11llu %11llu %11llu %11llu %s\n",
1.100 djm 1061: (unsigned long long)st.f_files,
1062: (unsigned long long)(st.f_files - st.f_ffree),
1063: (unsigned long long)st.f_favail,
1.178 djm 1064: (unsigned long long)st.f_ffree, s_icapacity);
1.100 djm 1065: } else if (hflag) {
1066: strlcpy(s_used, "error", sizeof(s_used));
1067: strlcpy(s_avail, "error", sizeof(s_avail));
1068: strlcpy(s_root, "error", sizeof(s_root));
1069: strlcpy(s_total, "error", sizeof(s_total));
1070: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
1071: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
1072: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
1073: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
1074: printf(" Size Used Avail (root) %%Capacity\n");
1.178 djm 1075: printf("%7sB %7sB %7sB %7sB %s\n",
1076: s_total, s_used, s_avail, s_root, s_dcapacity);
1.100 djm 1077: } else {
1078: printf(" Size Used Avail "
1079: "(root) %%Capacity\n");
1.178 djm 1080: printf("%12llu %12llu %12llu %12llu %s\n",
1.100 djm 1081: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
1082: (unsigned long long)(st.f_frsize *
1083: (st.f_blocks - st.f_bfree) / 1024),
1084: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
1085: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
1.178 djm 1086: s_dcapacity);
1.100 djm 1087: }
1088: return 0;
1089: }
1090:
1.97 djm 1091: /*
1092: * Undo escaping of glob sequences in place. Used to undo extra escaping
1093: * applied in makeargv() when the string is destined for a function that
1094: * does not glob it.
1095: */
1096: static void
1097: undo_glob_escape(char *s)
1098: {
1099: size_t i, j;
1100:
1101: for (i = j = 0;;) {
1102: if (s[i] == '\0') {
1103: s[j] = '\0';
1104: return;
1105: }
1106: if (s[i] != '\\') {
1107: s[j++] = s[i++];
1108: continue;
1109: }
1110: /* s[i] == '\\' */
1111: ++i;
1112: switch (s[i]) {
1113: case '?':
1114: case '[':
1115: case '*':
1116: case '\\':
1117: s[j++] = s[i++];
1118: break;
1119: case '\0':
1120: s[j++] = '\\';
1121: s[j] = '\0';
1122: return;
1123: default:
1124: s[j++] = '\\';
1125: s[j++] = s[i++];
1126: break;
1127: }
1128: }
1129: }
1130:
1131: /*
1132: * Split a string into an argument vector using sh(1)-style quoting,
1133: * comment and escaping rules, but with some tweaks to handle glob(3)
1134: * wildcards.
1.116 djm 1135: * The "sloppy" flag allows for recovery from missing terminating quote, for
1136: * use in parsing incomplete commandlines during tab autocompletion.
1137: *
1.97 djm 1138: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1139: *
1140: * If "lastquote" is not NULL, the quoting character used for the last
1141: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1142: *
1.116 djm 1143: * If "terminated" is not NULL, *terminated will be set to 1 when the
1144: * last argument's quote has been properly terminated or 0 otherwise.
1145: * This parameter is only of use if "sloppy" is set.
1.97 djm 1146: */
1147: #define MAXARGS 128
1148: #define MAXARGLEN 8192
1149: static char **
1.116 djm 1150: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1151: u_int *terminated)
1.97 djm 1152: {
1153: int argc, quot;
1154: size_t i, j;
1155: static char argvs[MAXARGLEN];
1156: static char *argv[MAXARGS + 1];
1157: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1158:
1159: *argcp = argc = 0;
1160: if (strlen(arg) > sizeof(argvs) - 1) {
1161: args_too_longs:
1162: error("string too long");
1163: return NULL;
1164: }
1.116 djm 1165: if (terminated != NULL)
1166: *terminated = 1;
1167: if (lastquote != NULL)
1168: *lastquote = '\0';
1.97 djm 1169: state = MA_START;
1170: i = j = 0;
1171: for (;;) {
1.141 markus 1172: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1173: error("Too many arguments.");
1174: return NULL;
1175: }
1.158 deraadt 1176: if (isspace((unsigned char)arg[i])) {
1.97 djm 1177: if (state == MA_UNQUOTED) {
1178: /* Terminate current argument */
1179: argvs[j++] = '\0';
1180: argc++;
1181: state = MA_START;
1182: } else if (state != MA_START)
1183: argvs[j++] = arg[i];
1184: } else if (arg[i] == '"' || arg[i] == '\'') {
1185: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1186: if (state == MA_START) {
1187: argv[argc] = argvs + j;
1188: state = q;
1.116 djm 1189: if (lastquote != NULL)
1190: *lastquote = arg[i];
1.149 djm 1191: } else if (state == MA_UNQUOTED)
1.97 djm 1192: state = q;
1193: else if (state == q)
1194: state = MA_UNQUOTED;
1195: else
1196: argvs[j++] = arg[i];
1197: } else if (arg[i] == '\\') {
1198: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1199: quot = state == MA_SQUOTE ? '\'' : '"';
1200: /* Unescape quote we are in */
1201: /* XXX support \n and friends? */
1202: if (arg[i + 1] == quot) {
1203: i++;
1204: argvs[j++] = arg[i];
1205: } else if (arg[i + 1] == '?' ||
1206: arg[i + 1] == '[' || arg[i + 1] == '*') {
1207: /*
1208: * Special case for sftp: append
1209: * double-escaped glob sequence -
1210: * glob will undo one level of
1211: * escaping. NB. string can grow here.
1212: */
1213: if (j >= sizeof(argvs) - 5)
1214: goto args_too_longs;
1215: argvs[j++] = '\\';
1216: argvs[j++] = arg[i++];
1217: argvs[j++] = '\\';
1218: argvs[j++] = arg[i];
1219: } else {
1220: argvs[j++] = arg[i++];
1221: argvs[j++] = arg[i];
1222: }
1223: } else {
1224: if (state == MA_START) {
1225: argv[argc] = argvs + j;
1226: state = MA_UNQUOTED;
1.116 djm 1227: if (lastquote != NULL)
1228: *lastquote = '\0';
1.97 djm 1229: }
1230: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1231: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1232: /*
1233: * Special case for sftp: append
1234: * escaped glob sequence -
1235: * glob will undo one level of
1236: * escaping.
1237: */
1238: argvs[j++] = arg[i++];
1239: argvs[j++] = arg[i];
1240: } else {
1241: /* Unescape everything */
1242: /* XXX support \n and friends? */
1243: i++;
1244: argvs[j++] = arg[i];
1245: }
1246: }
1247: } else if (arg[i] == '#') {
1248: if (state == MA_SQUOTE || state == MA_DQUOTE)
1249: argvs[j++] = arg[i];
1250: else
1251: goto string_done;
1252: } else if (arg[i] == '\0') {
1253: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1254: if (sloppy) {
1255: state = MA_UNQUOTED;
1256: if (terminated != NULL)
1257: *terminated = 0;
1258: goto string_done;
1259: }
1.97 djm 1260: error("Unterminated quoted argument");
1261: return NULL;
1262: }
1263: string_done:
1264: if (state == MA_UNQUOTED) {
1265: argvs[j++] = '\0';
1266: argc++;
1267: }
1268: break;
1269: } else {
1270: if (state == MA_START) {
1271: argv[argc] = argvs + j;
1272: state = MA_UNQUOTED;
1.116 djm 1273: if (lastquote != NULL)
1274: *lastquote = '\0';
1.97 djm 1275: }
1276: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1277: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1278: /*
1279: * Special case for sftp: escape quoted
1280: * glob(3) wildcards. NB. string can grow
1281: * here.
1282: */
1283: if (j >= sizeof(argvs) - 3)
1284: goto args_too_longs;
1285: argvs[j++] = '\\';
1286: argvs[j++] = arg[i];
1287: } else
1288: argvs[j++] = arg[i];
1289: }
1290: i++;
1291: }
1292: *argcp = argc;
1293: return argv;
1294: }
1295:
1.44 djm 1296: static int
1.187 djm 1297: parse_args(const char **cpp, int *ignore_errors, int *disable_echo, int *aflag,
1.173 djm 1298: int *fflag, int *hflag, int *iflag, int *lflag, int *pflag,
1.159 logan 1299: int *rflag, int *sflag,
1.156 djm 1300: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1301: {
1302: const char *cmd, *cp = *cpp;
1.97 djm 1303: char *cp2, **argv;
1.44 djm 1304: int base = 0;
1305: long l;
1.182 djm 1306: int path1_mandatory = 0, i, cmdnum, optidx, argc;
1.44 djm 1307:
1308: /* Skip leading whitespace */
1309: cp = cp + strspn(cp, WHITESPACE);
1310:
1.187 djm 1311: /*
1312: * Check for leading '-' (disable error processing) and '@' (suppress
1313: * command echo)
1314: */
1.156 djm 1315: *ignore_errors = 0;
1.187 djm 1316: *disable_echo = 0;
1317: for (;*cp != '\0'; cp++) {
1318: if (*cp == '-') {
1319: *ignore_errors = 1;
1320: } else if (*cp == '@') {
1321: *disable_echo = 1;
1322: } else {
1323: /* all other characters terminate prefix processing */
1324: break;
1325: }
1.44 djm 1326: }
1.187 djm 1327: cp = cp + strspn(cp, WHITESPACE);
1.118 dtucker 1328:
1329: /* Ignore blank lines and lines which begin with comment '#' char */
1330: if (*cp == '\0' || *cp == '#')
1331: return (0);
1.44 djm 1332:
1.116 djm 1333: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1334: return -1;
1335:
1.44 djm 1336: /* Figure out which command we have */
1.97 djm 1337: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1338: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1339: break;
1340: }
1341: cmdnum = cmds[i].n;
1342: cmd = cmds[i].c;
1343:
1344: /* Special case */
1345: if (*cp == '!') {
1346: cp++;
1347: cmdnum = I_SHELL;
1348: } else if (cmdnum == -1) {
1349: error("Invalid command.");
1.97 djm 1350: return -1;
1.44 djm 1351: }
1352:
1353: /* Get arguments and parse flags */
1.156 djm 1354: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1355: *rflag = *sflag = 0;
1.44 djm 1356: *path1 = *path2 = NULL;
1.97 djm 1357: optidx = 1;
1.44 djm 1358: switch (cmdnum) {
1359: case I_GET:
1.148 djm 1360: case I_REGET:
1.159 logan 1361: case I_REPUT:
1.44 djm 1362: case I_PUT:
1.132 djm 1363: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1364: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1365: return -1;
1.44 djm 1366: /* Get first pathname (mandatory) */
1.97 djm 1367: if (argc - optidx < 1) {
1.44 djm 1368: error("You must specify at least one path after a "
1369: "%s command.", cmd);
1.97 djm 1370: return -1;
1371: }
1372: *path1 = xstrdup(argv[optidx]);
1373: /* Get second pathname (optional) */
1374: if (argc - optidx > 1) {
1375: *path2 = xstrdup(argv[optidx + 1]);
1376: /* Destination is not globbed */
1377: undo_glob_escape(*path2);
1.44 djm 1378: }
1379: break;
1.132 djm 1380: case I_LINK:
1381: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1382: return -1;
1.152 djm 1383: goto parse_two_paths;
1384: case I_RENAME:
1385: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1386: return -1;
1387: goto parse_two_paths;
1.132 djm 1388: case I_SYMLINK:
1.153 djm 1389: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1390: return -1;
1.152 djm 1391: parse_two_paths:
1.97 djm 1392: if (argc - optidx < 2) {
1.44 djm 1393: error("You must specify two paths after a %s "
1394: "command.", cmd);
1.97 djm 1395: return -1;
1.44 djm 1396: }
1.97 djm 1397: *path1 = xstrdup(argv[optidx]);
1398: *path2 = xstrdup(argv[optidx + 1]);
1399: /* Paths are not globbed */
1400: undo_glob_escape(*path1);
1401: undo_glob_escape(*path2);
1.44 djm 1402: break;
1403: case I_RM:
1404: case I_MKDIR:
1405: case I_RMDIR:
1.182 djm 1406: case I_LMKDIR:
1407: path1_mandatory = 1;
1408: /* FALLTHROUGH */
1.44 djm 1409: case I_CHDIR:
1410: case I_LCHDIR:
1.153 djm 1411: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1412: return -1;
1.44 djm 1413: /* Get pathname (mandatory) */
1.97 djm 1414: if (argc - optidx < 1) {
1.182 djm 1415: if (!path1_mandatory)
1416: break; /* return a NULL path1 */
1.44 djm 1417: error("You must specify a path after a %s command.",
1418: cmd);
1.97 djm 1419: return -1;
1.44 djm 1420: }
1.97 djm 1421: *path1 = xstrdup(argv[optidx]);
1422: /* Only "rm" globs */
1423: if (cmdnum != I_RM)
1424: undo_glob_escape(*path1);
1.44 djm 1425: break;
1.100 djm 1426: case I_DF:
1427: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1428: iflag)) == -1)
1429: return -1;
1430: /* Default to current directory if no path specified */
1431: if (argc - optidx < 1)
1432: *path1 = NULL;
1433: else {
1434: *path1 = xstrdup(argv[optidx]);
1435: undo_glob_escape(*path1);
1436: }
1437: break;
1.44 djm 1438: case I_LS:
1.97 djm 1439: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1440: return(-1);
1441: /* Path is optional */
1.97 djm 1442: if (argc - optidx > 0)
1443: *path1 = xstrdup(argv[optidx]);
1.44 djm 1444: break;
1445: case I_LLS:
1.98 djm 1446: /* Skip ls command and following whitespace */
1447: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1448: case I_SHELL:
1449: /* Uses the rest of the line */
1450: break;
1451: case I_LUMASK:
1452: case I_CHMOD:
1453: base = 8;
1.186 dtucker 1454: /* FALLTHROUGH */
1.44 djm 1455: case I_CHOWN:
1456: case I_CHGRP:
1.189 djm 1457: if ((optidx = parse_ch_flags(cmd, argv, argc, hflag)) == -1)
1.153 djm 1458: return -1;
1.44 djm 1459: /* Get numeric arg (mandatory) */
1.97 djm 1460: if (argc - optidx < 1)
1461: goto need_num_arg;
1.93 ray 1462: errno = 0;
1.97 djm 1463: l = strtol(argv[optidx], &cp2, base);
1464: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1465: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1466: l < 0) {
1467: need_num_arg:
1.44 djm 1468: error("You must supply a numeric argument "
1469: "to the %s command.", cmd);
1.97 djm 1470: return -1;
1.44 djm 1471: }
1472: *n_arg = l;
1.97 djm 1473: if (cmdnum == I_LUMASK)
1.44 djm 1474: break;
1475: /* Get pathname (mandatory) */
1.97 djm 1476: if (argc - optidx < 2) {
1.44 djm 1477: error("You must specify a path after a %s command.",
1478: cmd);
1.97 djm 1479: return -1;
1.44 djm 1480: }
1.97 djm 1481: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1482: break;
1483: case I_QUIT:
1484: case I_PWD:
1485: case I_LPWD:
1486: case I_HELP:
1487: case I_VERSION:
1488: case I_PROGRESS:
1.153 djm 1489: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1490: return -1;
1.44 djm 1491: break;
1492: default:
1493: fatal("Command not implemented");
1494: }
1495:
1496: *cpp = cp;
1497: return(cmdnum);
1498: }
1499:
1500: static int
1501: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1.187 djm 1502: const char *startdir, int err_abort, int echo_command)
1.44 djm 1503: {
1.187 djm 1504: const char *ocmd = cmd;
1.44 djm 1505: char *path1, *path2, *tmp;
1.187 djm 1506: int ignore_errors = 0, disable_echo = 1;
1507: int aflag = 0, fflag = 0, hflag = 0, iflag = 0;
1.156 djm 1508: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1509: int cmdnum, i;
1.107 dtucker 1510: unsigned long n_arg = 0;
1.44 djm 1511: Attrib a, *aa;
1.170 deraadt 1512: char path_buf[PATH_MAX];
1.44 djm 1513: int err = 0;
1514: glob_t g;
1515:
1516: path1 = path2 = NULL;
1.187 djm 1517: cmdnum = parse_args(&cmd, &ignore_errors, &disable_echo, &aflag, &fflag,
1518: &hflag, &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg,
1519: &path1, &path2);
1.156 djm 1520: if (ignore_errors != 0)
1.44 djm 1521: err_abort = 0;
1522:
1.187 djm 1523: if (echo_command && !disable_echo)
1524: mprintf("sftp> %s\n", ocmd);
1525:
1.44 djm 1526: memset(&g, 0, sizeof(g));
1527:
1528: /* Perform command */
1529: switch (cmdnum) {
1530: case 0:
1531: /* Blank line */
1532: break;
1533: case -1:
1534: /* Unrecognized command */
1535: err = -1;
1536: break;
1.148 djm 1537: case I_REGET:
1538: aflag = 1;
1539: /* FALLTHROUGH */
1.44 djm 1540: case I_GET:
1.148 djm 1541: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1542: rflag, aflag, fflag);
1.44 djm 1543: break;
1.159 logan 1544: case I_REPUT:
1545: aflag = 1;
1546: /* FALLTHROUGH */
1.44 djm 1547: case I_PUT:
1.156 djm 1548: err = process_put(conn, path1, path2, *pwd, pflag,
1.159 logan 1549: rflag, aflag, fflag);
1.44 djm 1550: break;
1551: case I_RENAME:
1552: path1 = make_absolute(path1, *pwd);
1553: path2 = make_absolute(path2, *pwd);
1.152 djm 1554: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1555: break;
1556: case I_SYMLINK:
1.132 djm 1557: sflag = 1;
1.186 dtucker 1558: /* FALLTHROUGH */
1.132 djm 1559: case I_LINK:
1.151 djm 1560: if (!sflag)
1561: path1 = make_absolute(path1, *pwd);
1.44 djm 1562: path2 = make_absolute(path2, *pwd);
1.132 djm 1563: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1564: break;
1565: case I_RM:
1566: path1 = make_absolute(path1, *pwd);
1567: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1568: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1569: if (!quiet)
1.174 schwarze 1570: mprintf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1571: err = do_rm(conn, g.gl_pathv[i]);
1572: if (err != 0 && err_abort)
1573: break;
1574: }
1575: break;
1576: case I_MKDIR:
1577: path1 = make_absolute(path1, *pwd);
1578: attrib_clear(&a);
1579: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1580: a.perm = 0777;
1.111 djm 1581: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1582: break;
1583: case I_RMDIR:
1584: path1 = make_absolute(path1, *pwd);
1585: err = do_rmdir(conn, path1);
1586: break;
1587: case I_CHDIR:
1.182 djm 1588: if (path1 == NULL || *path1 == '\0')
1589: path1 = xstrdup(startdir);
1.44 djm 1590: path1 = make_absolute(path1, *pwd);
1591: if ((tmp = do_realpath(conn, path1)) == NULL) {
1592: err = 1;
1593: break;
1594: }
1595: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1596: free(tmp);
1.44 djm 1597: err = 1;
1598: break;
1599: }
1600: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1601: error("Can't change directory: Can't check target");
1.145 djm 1602: free(tmp);
1.44 djm 1603: err = 1;
1604: break;
1605: }
1606: if (!S_ISDIR(aa->perm)) {
1607: error("Can't change directory: \"%s\" is not "
1608: "a directory", tmp);
1.145 djm 1609: free(tmp);
1.44 djm 1610: err = 1;
1611: break;
1612: }
1.145 djm 1613: free(*pwd);
1.44 djm 1614: *pwd = tmp;
1615: break;
1616: case I_LS:
1617: if (!path1) {
1.125 djm 1618: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1619: break;
1620: }
1621:
1622: /* Strip pwd off beginning of non-absolute paths */
1623: tmp = NULL;
1.188 djm 1624: if (!path_absolute(path1))
1.44 djm 1625: tmp = *pwd;
1626:
1627: path1 = make_absolute(path1, *pwd);
1628: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1629: break;
1630: case I_DF:
1631: /* Default to current directory if no path specified */
1632: if (path1 == NULL)
1633: path1 = xstrdup(*pwd);
1634: path1 = make_absolute(path1, *pwd);
1635: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1636: break;
1637: case I_LCHDIR:
1.182 djm 1638: if (path1 == NULL || *path1 == '\0')
1639: path1 = xstrdup("~");
1.166 deraadt 1640: tmp = tilde_expand_filename(path1, getuid());
1.165 djm 1641: free(path1);
1642: path1 = tmp;
1.44 djm 1643: if (chdir(path1) == -1) {
1644: error("Couldn't change local directory to "
1645: "\"%s\": %s", path1, strerror(errno));
1646: err = 1;
1647: }
1648: break;
1649: case I_LMKDIR:
1650: if (mkdir(path1, 0777) == -1) {
1651: error("Couldn't create local directory "
1652: "\"%s\": %s", path1, strerror(errno));
1653: err = 1;
1654: }
1655: break;
1656: case I_LLS:
1657: local_do_ls(cmd);
1658: break;
1659: case I_SHELL:
1660: local_do_shell(cmd);
1661: break;
1662: case I_LUMASK:
1663: umask(n_arg);
1664: printf("Local umask: %03lo\n", n_arg);
1665: break;
1666: case I_CHMOD:
1667: path1 = make_absolute(path1, *pwd);
1668: attrib_clear(&a);
1669: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1670: a.perm = n_arg;
1671: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1672: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1673: if (!quiet)
1.174 schwarze 1674: mprintf("Changing mode on %s\n",
1675: g.gl_pathv[i]);
1.189 djm 1676: err = (hflag ? do_lsetstat : do_setstat)(conn,
1677: g.gl_pathv[i], &a);
1.44 djm 1678: if (err != 0 && err_abort)
1679: break;
1680: }
1681: break;
1682: case I_CHOWN:
1683: case I_CHGRP:
1684: path1 = make_absolute(path1, *pwd);
1685: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1686: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.189 djm 1687: if (!(aa = (hflag ? do_lstat : do_stat)(conn,
1688: g.gl_pathv[i], 0))) {
1.104 djm 1689: if (err_abort) {
1690: err = -1;
1.44 djm 1691: break;
1.104 djm 1692: } else
1.44 djm 1693: continue;
1694: }
1695: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1696: error("Can't get current ownership of "
1697: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1698: if (err_abort) {
1699: err = -1;
1.44 djm 1700: break;
1.104 djm 1701: } else
1.44 djm 1702: continue;
1703: }
1704: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1705: if (cmdnum == I_CHOWN) {
1.143 djm 1706: if (!quiet)
1.174 schwarze 1707: mprintf("Changing owner on %s\n",
1.143 djm 1708: g.gl_pathv[i]);
1.44 djm 1709: aa->uid = n_arg;
1710: } else {
1.143 djm 1711: if (!quiet)
1.174 schwarze 1712: mprintf("Changing group on %s\n",
1.143 djm 1713: g.gl_pathv[i]);
1.44 djm 1714: aa->gid = n_arg;
1715: }
1.189 djm 1716: err = (hflag ? do_lsetstat : do_setstat)(conn,
1717: g.gl_pathv[i], aa);
1.44 djm 1718: if (err != 0 && err_abort)
1719: break;
1720: }
1721: break;
1722: case I_PWD:
1.174 schwarze 1723: mprintf("Remote working directory: %s\n", *pwd);
1.44 djm 1724: break;
1725: case I_LPWD:
1726: if (!getcwd(path_buf, sizeof(path_buf))) {
1727: error("Couldn't get local cwd: %s", strerror(errno));
1728: err = -1;
1729: break;
1730: }
1.174 schwarze 1731: mprintf("Local working directory: %s\n", path_buf);
1.44 djm 1732: break;
1733: case I_QUIT:
1734: /* Processed below */
1735: break;
1736: case I_HELP:
1737: help();
1738: break;
1739: case I_VERSION:
1740: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1741: break;
1742: case I_PROGRESS:
1743: showprogress = !showprogress;
1744: if (showprogress)
1745: printf("Progress meter enabled\n");
1746: else
1747: printf("Progress meter disabled\n");
1748: break;
1749: default:
1750: fatal("%d is not implemented", cmdnum);
1751: }
1752:
1753: if (g.gl_pathc)
1754: globfree(&g);
1.145 djm 1755: free(path1);
1756: free(path2);
1.44 djm 1757:
1758: /* If an unignored error occurs in batch mode we should abort. */
1759: if (err_abort && err != 0)
1760: return (-1);
1761: else if (cmdnum == I_QUIT)
1762: return (1);
1763:
1764: return (0);
1765: }
1766:
1.57 djm 1767: static char *
1768: prompt(EditLine *el)
1769: {
1770: return ("sftp> ");
1771: }
1772:
1.116 djm 1773: /* Display entries in 'list' after skipping the first 'len' chars */
1774: static void
1775: complete_display(char **list, u_int len)
1776: {
1777: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1778: struct winsize ws;
1779: char *tmp;
1780:
1781: /* Count entries for sort and find longest */
1.149 djm 1782: for (y = 0; list[y]; y++)
1.176 deraadt 1783: m = MAXIMUM(m, strlen(list[y]));
1.116 djm 1784:
1785: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1786: width = ws.ws_col;
1787:
1788: m = m > len ? m - len : 0;
1789: columns = width / (m + 2);
1.176 deraadt 1790: columns = MAXIMUM(columns, 1);
1.116 djm 1791: colspace = width / columns;
1.176 deraadt 1792: colspace = MINIMUM(colspace, width);
1.116 djm 1793:
1794: printf("\n");
1795: m = 1;
1796: for (y = 0; list[y]; y++) {
1797: llen = strlen(list[y]);
1798: tmp = llen > len ? list[y] + len : "";
1.174 schwarze 1799: mprintf("%-*s", colspace, tmp);
1.116 djm 1800: if (m >= columns) {
1801: printf("\n");
1802: m = 1;
1803: } else
1804: m++;
1805: }
1806: printf("\n");
1807: }
1808:
1809: /*
1810: * Given a "list" of words that begin with a common prefix of "word",
1811: * attempt to find an autocompletion to extends "word" by the next
1812: * characters common to all entries in "list".
1813: */
1814: static char *
1815: complete_ambiguous(const char *word, char **list, size_t count)
1816: {
1817: if (word == NULL)
1818: return NULL;
1819:
1820: if (count > 0) {
1821: u_int y, matchlen = strlen(list[0]);
1822:
1823: /* Find length of common stem */
1824: for (y = 1; list[y]; y++) {
1825: u_int x;
1826:
1.149 djm 1827: for (x = 0; x < matchlen; x++)
1828: if (list[0][x] != list[y][x])
1.116 djm 1829: break;
1830:
1831: matchlen = x;
1832: }
1833:
1834: if (matchlen > strlen(word)) {
1835: char *tmp = xstrdup(list[0]);
1836:
1.117 dtucker 1837: tmp[matchlen] = '\0';
1.116 djm 1838: return tmp;
1839: }
1.149 djm 1840: }
1.116 djm 1841:
1842: return xstrdup(word);
1843: }
1844:
1845: /* Autocomplete a sftp command */
1846: static int
1847: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1848: int terminated)
1849: {
1850: u_int y, count = 0, cmdlen, tmplen;
1851: char *tmp, **list, argterm[3];
1852: const LineInfo *lf;
1853:
1854: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1855:
1856: /* No command specified: display all available commands */
1857: if (cmd == NULL) {
1858: for (y = 0; cmds[y].c; y++)
1859: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1860:
1.116 djm 1861: list[count] = NULL;
1862: complete_display(list, 0);
1863:
1.149 djm 1864: for (y = 0; list[y] != NULL; y++)
1865: free(list[y]);
1.145 djm 1866: free(list);
1.116 djm 1867: return count;
1868: }
1869:
1870: /* Prepare subset of commands that start with "cmd" */
1871: cmdlen = strlen(cmd);
1872: for (y = 0; cmds[y].c; y++) {
1.149 djm 1873: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1874: list[count++] = xstrdup(cmds[y].c);
1875: }
1876: list[count] = NULL;
1877:
1.134 oga 1878: if (count == 0) {
1.145 djm 1879: free(list);
1.116 djm 1880: return 0;
1.134 oga 1881: }
1.116 djm 1882:
1.183 djm 1883: /* Complete ambiguous command */
1.116 djm 1884: tmp = complete_ambiguous(cmd, list, count);
1885: if (count > 1)
1886: complete_display(list, 0);
1887:
1.149 djm 1888: for (y = 0; list[y]; y++)
1889: free(list[y]);
1.145 djm 1890: free(list);
1.116 djm 1891:
1892: if (tmp != NULL) {
1893: tmplen = strlen(tmp);
1894: cmdlen = strlen(cmd);
1895: /* If cmd may be extended then do so */
1896: if (tmplen > cmdlen)
1897: if (el_insertstr(el, tmp + cmdlen) == -1)
1898: fatal("el_insertstr failed.");
1899: lf = el_line(el);
1900: /* Terminate argument cleanly */
1901: if (count == 1) {
1902: y = 0;
1903: if (!terminated)
1904: argterm[y++] = quote;
1905: if (lastarg || *(lf->cursor) != ' ')
1906: argterm[y++] = ' ';
1907: argterm[y] = '\0';
1908: if (y > 0 && el_insertstr(el, argterm) == -1)
1909: fatal("el_insertstr failed.");
1910: }
1.145 djm 1911: free(tmp);
1.116 djm 1912: }
1913:
1914: return count;
1915: }
1916:
1917: /*
1918: * Determine whether a particular sftp command's arguments (if any)
1919: * represent local or remote files.
1920: */
1921: static int
1922: complete_is_remote(char *cmd) {
1923: int i;
1924:
1925: if (cmd == NULL)
1926: return -1;
1927:
1928: for (i = 0; cmds[i].c; i++) {
1.149 djm 1929: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1.116 djm 1930: return cmds[i].t;
1931: }
1932:
1933: return -1;
1934: }
1935:
1936: /* Autocomplete a filename "file" */
1937: static int
1938: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1939: char *file, int remote, int lastarg, char quote, int terminated)
1940: {
1941: glob_t g;
1.146 dtucker 1942: char *tmp, *tmp2, ins[8];
1.140 dtucker 1943: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1944: int clen;
1.116 djm 1945: const LineInfo *lf;
1.149 djm 1946:
1.116 djm 1947: /* Glob from "file" location */
1948: if (file == NULL)
1949: tmp = xstrdup("*");
1950: else
1951: xasprintf(&tmp, "%s*", file);
1952:
1.139 dtucker 1953: /* Check if the path is absolute. */
1.188 djm 1954: isabs = path_absolute(tmp);
1.139 dtucker 1955:
1.116 djm 1956: memset(&g, 0, sizeof(g));
1957: if (remote != LOCAL) {
1958: tmp = make_absolute(tmp, remote_path);
1959: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1960: } else
1.116 djm 1961: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1962:
1.116 djm 1963: /* Determine length of pwd so we can trim completion display */
1964: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1965: /* Terminate counting on first unescaped glob metacharacter */
1966: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1967: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1968: hadglob = 1;
1969: break;
1970: }
1971: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1972: tmplen++;
1973: if (tmp[tmplen] == '/')
1974: pwdlen = tmplen + 1; /* track last seen '/' */
1975: }
1.145 djm 1976: free(tmp);
1.161 dtucker 1977: tmp = NULL;
1.116 djm 1978:
1.149 djm 1979: if (g.gl_matchc == 0)
1.116 djm 1980: goto out;
1981:
1982: if (g.gl_matchc > 1)
1983: complete_display(g.gl_pathv, pwdlen);
1984:
1985: /* Don't try to extend globs */
1986: if (file == NULL || hadglob)
1987: goto out;
1988:
1989: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1990: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1991: free(tmp2);
1.116 djm 1992:
1993: if (tmp == NULL)
1994: goto out;
1995:
1996: tmplen = strlen(tmp);
1997: filelen = strlen(file);
1998:
1.140 dtucker 1999: /* Count the number of escaped characters in the input string. */
2000: cesc = isesc = 0;
2001: for (i = 0; i < filelen; i++) {
2002: if (!isesc && file[i] == '\\' && i + 1 < filelen){
2003: isesc = 1;
2004: cesc++;
2005: } else
2006: isesc = 0;
2007: }
2008:
2009: if (tmplen > (filelen - cesc)) {
2010: tmp2 = tmp + filelen - cesc;
1.149 djm 2011: len = strlen(tmp2);
1.116 djm 2012: /* quote argument on way out */
1.146 dtucker 2013: for (i = 0; i < len; i += clen) {
2014: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
2015: (size_t)clen > sizeof(ins) - 2)
2016: fatal("invalid multibyte character");
1.116 djm 2017: ins[0] = '\\';
1.146 dtucker 2018: memcpy(ins + 1, tmp2 + i, clen);
2019: ins[clen + 1] = '\0';
1.116 djm 2020: switch (tmp2[i]) {
2021: case '\'':
2022: case '"':
2023: case '\\':
2024: case '\t':
1.131 sthen 2025: case '[':
1.116 djm 2026: case ' ':
1.140 dtucker 2027: case '#':
2028: case '*':
1.116 djm 2029: if (quote == '\0' || tmp2[i] == quote) {
2030: if (el_insertstr(el, ins) == -1)
2031: fatal("el_insertstr "
2032: "failed.");
2033: break;
2034: }
2035: /* FALLTHROUGH */
2036: default:
2037: if (el_insertstr(el, ins + 1) == -1)
2038: fatal("el_insertstr failed.");
2039: break;
2040: }
2041: }
2042: }
2043:
2044: lf = el_line(el);
2045: if (g.gl_matchc == 1) {
2046: i = 0;
1.162 dtucker 2047: if (!terminated && quote != '\0')
1.116 djm 2048: ins[i++] = quote;
1.120 djm 2049: if (*(lf->cursor - 1) != '/' &&
2050: (lastarg || *(lf->cursor) != ' '))
1.116 djm 2051: ins[i++] = ' ';
2052: ins[i] = '\0';
2053: if (i > 0 && el_insertstr(el, ins) == -1)
2054: fatal("el_insertstr failed.");
2055: }
1.145 djm 2056: free(tmp);
1.116 djm 2057:
2058: out:
2059: globfree(&g);
2060: return g.gl_matchc;
2061: }
2062:
2063: /* tab-completion hook function, called via libedit */
2064: static unsigned char
2065: complete(EditLine *el, int ch)
2066: {
1.149 djm 2067: char **argv, *line, quote;
1.147 djm 2068: int argc, carg;
2069: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 2070: const LineInfo *lf;
2071: struct complete_ctx *complete_ctx;
2072:
2073: lf = el_line(el);
2074: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
2075: fatal("%s: el_get failed", __func__);
2076:
2077: /* Figure out which argument the cursor points to */
2078: cursor = lf->cursor - lf->buffer;
1.171 deraadt 2079: line = xmalloc(cursor + 1);
1.116 djm 2080: memcpy(line, lf->buffer, cursor);
2081: line[cursor] = '\0';
2082: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 2083: free(line);
1.116 djm 2084:
2085: /* Get all the arguments on the line */
2086: len = lf->lastchar - lf->buffer;
1.171 deraadt 2087: line = xmalloc(len + 1);
1.116 djm 2088: memcpy(line, lf->buffer, len);
2089: line[len] = '\0';
2090: argv = makeargv(line, &argc, 1, NULL, NULL);
2091:
2092: /* Ensure cursor is at EOL or a argument boundary */
2093: if (line[cursor] != ' ' && line[cursor] != '\0' &&
2094: line[cursor] != '\n') {
1.145 djm 2095: free(line);
1.116 djm 2096: return ret;
2097: }
2098:
2099: if (carg == 0) {
2100: /* Show all available commands */
2101: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
2102: ret = CC_REDISPLAY;
2103: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
2104: /* Handle the command parsing */
2105: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 2106: quote, terminated) != 0)
1.116 djm 2107: ret = CC_REDISPLAY;
2108: } else if (carg >= 1) {
2109: /* Handle file parsing */
2110: int remote = complete_is_remote(argv[0]);
2111: char *filematch = NULL;
2112:
2113: if (carg > 1 && line[cursor-1] != ' ')
2114: filematch = argv[carg - 1];
2115:
2116: if (remote != 0 &&
2117: complete_match(el, complete_ctx->conn,
2118: *complete_ctx->remote_pathp, filematch,
1.149 djm 2119: remote, carg == argc, quote, terminated) != 0)
1.116 djm 2120: ret = CC_REDISPLAY;
2121: }
2122:
1.149 djm 2123: free(line);
1.116 djm 2124: return ret;
2125: }
2126:
1.182 djm 2127: static int
1.112 djm 2128: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 2129: {
1.116 djm 2130: char *remote_path;
1.182 djm 2131: char *dir = NULL, *startdir = NULL;
1.44 djm 2132: char cmd[2048];
1.66 jaredy 2133: int err, interactive;
1.57 djm 2134: EditLine *el = NULL;
2135: History *hl = NULL;
2136: HistEvent hev;
2137: extern char *__progname;
1.116 djm 2138: struct complete_ctx complete_ctx;
1.57 djm 2139:
2140: if (!batchmode && isatty(STDIN_FILENO)) {
2141: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
2142: fatal("Couldn't initialise editline");
2143: if ((hl = history_init()) == NULL)
2144: fatal("Couldn't initialise editline history");
2145: history(hl, &hev, H_SETSIZE, 100);
2146: el_set(el, EL_HIST, history, hl);
2147:
2148: el_set(el, EL_PROMPT, prompt);
2149: el_set(el, EL_EDITOR, "emacs");
2150: el_set(el, EL_TERMINAL, NULL);
2151: el_set(el, EL_SIGNAL, 1);
2152: el_source(el, NULL);
1.116 djm 2153:
2154: /* Tab Completion */
1.149 djm 2155: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 2156: "Context sensitive argument completion", complete);
1.116 djm 2157: complete_ctx.conn = conn;
2158: complete_ctx.remote_pathp = &remote_path;
2159: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
2160: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 2161: /* enable ctrl-left-arrow and ctrl-right-arrow */
2162: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
1.194 tb 2163: el_set(el, EL_BIND, "\\e\\e[C", "em-next-word", NULL);
1.154 djm 2164: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2165: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2166: /* make ^w match ksh behaviour */
2167: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2168: }
1.44 djm 2169:
1.116 djm 2170: remote_path = do_realpath(conn, ".");
2171: if (remote_path == NULL)
1.44 djm 2172: fatal("Need cwd");
1.182 djm 2173: startdir = xstrdup(remote_path);
1.44 djm 2174:
2175: if (file1 != NULL) {
2176: dir = xstrdup(file1);
1.116 djm 2177: dir = make_absolute(dir, remote_path);
1.44 djm 2178:
2179: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2180: if (!quiet)
1.174 schwarze 2181: mprintf("Changing to: %s\n", dir);
1.44 djm 2182: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2183: if (parse_dispatch_command(conn, cmd,
1.187 djm 2184: &remote_path, startdir, 1, 0) != 0) {
1.145 djm 2185: free(dir);
1.182 djm 2186: free(startdir);
1.145 djm 2187: free(remote_path);
2188: free(conn);
1.44 djm 2189: return (-1);
1.58 markus 2190: }
1.44 djm 2191: } else {
1.137 djm 2192: /* XXX this is wrong wrt quoting */
1.148 djm 2193: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2194: global_aflag ? " -a" : "", dir,
2195: file2 == NULL ? "" : " ",
2196: file2 == NULL ? "" : file2);
1.116 djm 2197: err = parse_dispatch_command(conn, cmd,
1.187 djm 2198: &remote_path, startdir, 1, 0);
1.145 djm 2199: free(dir);
1.182 djm 2200: free(startdir);
1.145 djm 2201: free(remote_path);
2202: free(conn);
1.44 djm 2203: return (err);
2204: }
1.145 djm 2205: free(dir);
1.44 djm 2206: }
2207:
1.168 millert 2208: setvbuf(stdout, NULL, _IOLBF, 0);
2209: setvbuf(infile, NULL, _IOLBF, 0);
1.44 djm 2210:
1.66 jaredy 2211: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2212: err = 0;
2213: for (;;) {
1.57 djm 2214: const char *line;
2215: int count = 0;
1.44 djm 2216:
1.197 dtucker 2217: ssh_signal(SIGINT, SIG_IGN);
1.46 djm 2218:
1.57 djm 2219: if (el == NULL) {
1.66 jaredy 2220: if (interactive)
2221: printf("sftp> ");
1.57 djm 2222: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2223: if (interactive)
2224: printf("\n");
1.57 djm 2225: break;
2226: }
2227: } else {
1.116 djm 2228: if ((line = el_gets(el, &count)) == NULL ||
2229: count <= 0) {
1.66 jaredy 2230: printf("\n");
1.57 djm 2231: break;
1.66 jaredy 2232: }
1.57 djm 2233: history(hl, &hev, H_ENTER, line);
2234: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2235: fprintf(stderr, "Error: input line too long\n");
2236: continue;
2237: }
1.44 djm 2238: }
2239:
1.187 djm 2240: cmd[strcspn(cmd, "\n")] = '\0';
1.44 djm 2241:
1.46 djm 2242: /* Handle user interrupts gracefully during commands */
2243: interrupted = 0;
1.197 dtucker 2244: ssh_signal(SIGINT, cmd_interrupt);
1.46 djm 2245:
1.116 djm 2246: err = parse_dispatch_command(conn, cmd, &remote_path,
1.187 djm 2247: startdir, batchmode, !interactive && el == NULL);
1.44 djm 2248: if (err != 0)
2249: break;
2250: }
1.197 dtucker 2251: ssh_signal(SIGCHLD, SIG_DFL);
1.145 djm 2252: free(remote_path);
1.182 djm 2253: free(startdir);
1.145 djm 2254: free(conn);
1.66 jaredy 2255:
2256: if (el != NULL)
2257: el_end(el);
1.44 djm 2258:
2259: /* err == 1 signifies normal "quit" exit */
2260: return (err >= 0 ? 0 : -1);
2261: }
1.34 fgsch 2262:
1.18 itojun 2263: static void
1.36 djm 2264: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2265: {
2266: int c_in, c_out;
1.30 deraadt 2267:
1.1 djm 2268: int inout[2];
1.30 deraadt 2269:
1.1 djm 2270: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2271: fatal("socketpair: %s", strerror(errno));
2272: *in = *out = inout[0];
2273: c_in = c_out = inout[1];
2274:
1.36 djm 2275: if ((sshpid = fork()) == -1)
1.1 djm 2276: fatal("fork: %s", strerror(errno));
1.36 djm 2277: else if (sshpid == 0) {
1.1 djm 2278: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2279: (dup2(c_out, STDOUT_FILENO) == -1)) {
2280: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2281: _exit(1);
1.1 djm 2282: }
2283: close(*in);
2284: close(*out);
2285: close(c_in);
2286: close(c_out);
1.46 djm 2287:
2288: /*
2289: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2290: * ignore SIGINT if we want to gracefully abort commands,
2291: * otherwise the signal will make it to the ssh process and
1.122 guenther 2292: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2293: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2294: */
1.197 dtucker 2295: ssh_signal(SIGINT, SIG_IGN);
2296: ssh_signal(SIGTERM, SIG_DFL);
1.49 dtucker 2297: execvp(path, args);
1.23 djm 2298: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2299: _exit(1);
1.1 djm 2300: }
2301:
1.197 dtucker 2302: ssh_signal(SIGTERM, killchild);
2303: ssh_signal(SIGINT, killchild);
2304: ssh_signal(SIGHUP, killchild);
2305: ssh_signal(SIGTSTP, suspchild);
2306: ssh_signal(SIGTTIN, suspchild);
2307: ssh_signal(SIGTTOU, suspchild);
2308: ssh_signal(SIGCHLD, sigchld_handler);
1.1 djm 2309: close(c_in);
2310: close(c_out);
2311: }
2312:
1.18 itojun 2313: static void
1.1 djm 2314: usage(void)
2315: {
1.25 mpech 2316: extern char *__progname;
1.27 markus 2317:
1.19 stevesk 2318: fprintf(stderr,
1.179 djm 2319: "usage: %s [-46aCfpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.190 tb 2320: " [-D sftp_server_path] [-F ssh_config] [-i identity_file]\n"
2321: " [-J destination] [-l limit] [-o ssh_option] [-P port]\n"
2322: " [-R num_requests] [-S program] [-s subsystem | sftp_server]\n"
2323: " destination\n",
1.181 millert 2324: __progname);
1.1 djm 2325: exit(1);
2326: }
2327:
1.2 stevesk 2328: int
1.1 djm 2329: main(int argc, char **argv)
2330: {
1.181 millert 2331: int in, out, ch, err, tmp, port = -1;
2332: char *host = NULL, *user, *cp, *file2 = NULL;
1.198 ! dtucker 2333: int debug_level = 0;
1.17 mouring 2334: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2335: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2336: const char *errstr;
1.17 mouring 2337: LogLevel ll = SYSLOG_LEVEL_INFO;
2338: arglist args;
1.3 djm 2339: extern int optind;
2340: extern char *optarg;
1.112 djm 2341: struct sftp_conn *conn;
2342: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2343: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2344: long long limit_kbps = 0;
1.67 djm 2345:
2346: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2347: sanitise_stdfd();
1.146 dtucker 2348: setlocale(LC_CTYPE, "");
1.1 djm 2349:
1.70 djm 2350: memset(&args, '\0', sizeof(args));
1.17 mouring 2351: args.list = NULL;
1.80 djm 2352: addargs(&args, "%s", ssh_program);
1.17 mouring 2353: addargs(&args, "-oForwardX11 no");
2354: addargs(&args, "-oForwardAgent no");
1.69 reyk 2355: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2356: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2357:
1.17 mouring 2358: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2359: infile = stdin;
1.3 djm 2360:
1.109 djm 2361: while ((ch = getopt(argc, argv,
1.190 tb 2362: "1246afhpqrvCc:D:i:l:o:s:S:b:B:F:J:P:R:")) != -1) {
1.3 djm 2363: switch (ch) {
1.108 djm 2364: /* Passed through to ssh(1) */
2365: case '4':
2366: case '6':
1.3 djm 2367: case 'C':
1.108 djm 2368: addargs(&args, "-%c", ch);
2369: break;
2370: /* Passed through to ssh(1) with argument */
2371: case 'F':
1.190 tb 2372: case 'J':
1.108 djm 2373: case 'c':
2374: case 'i':
2375: case 'o':
1.113 halex 2376: addargs(&args, "-%c", ch);
2377: addargs(&args, "%s", optarg);
1.108 djm 2378: break;
2379: case 'q':
1.143 djm 2380: ll = SYSLOG_LEVEL_ERROR;
2381: quiet = 1;
1.108 djm 2382: showprogress = 0;
2383: addargs(&args, "-%c", ch);
1.3 djm 2384: break;
1.109 djm 2385: case 'P':
1.181 millert 2386: port = a2port(optarg);
2387: if (port <= 0)
2388: fatal("Bad port \"%s\"\n", optarg);
1.109 djm 2389: break;
1.3 djm 2390: case 'v':
1.17 mouring 2391: if (debug_level < 3) {
2392: addargs(&args, "-v");
2393: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2394: }
2395: debug_level++;
1.3 djm 2396: break;
1.7 markus 2397: case '1':
1.198 ! dtucker 2398: fatal("SSH protocol v.1 is no longer supported");
1.7 markus 2399: break;
1.108 djm 2400: case '2':
1.198 ! dtucker 2401: /* accept silently */
1.148 djm 2402: break;
2403: case 'a':
2404: global_aflag = 1;
1.7 markus 2405: break;
1.108 djm 2406: case 'B':
2407: copy_buffer_len = strtol(optarg, &cp, 10);
2408: if (copy_buffer_len == 0 || *cp != '\0')
2409: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2410: break;
1.10 deraadt 2411: case 'b':
1.39 djm 2412: if (batchmode)
2413: fatal("Batch file already specified.");
2414:
2415: /* Allow "-" as stdin */
1.56 deraadt 2416: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2417: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2418: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2419: showprogress = 0;
1.143 djm 2420: quiet = batchmode = 1;
1.62 djm 2421: addargs(&args, "-obatchmode yes");
1.156 djm 2422: break;
2423: case 'f':
2424: global_fflag = 1;
1.10 deraadt 2425: break;
1.111 djm 2426: case 'p':
2427: global_pflag = 1;
2428: break;
1.109 djm 2429: case 'D':
1.23 djm 2430: sftp_direct = optarg;
1.111 djm 2431: break;
1.126 djm 2432: case 'l':
2433: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2434: &errstr);
2435: if (errstr != NULL)
2436: usage();
2437: limit_kbps *= 1024; /* kbps */
2438: break;
1.111 djm 2439: case 'r':
2440: global_rflag = 1;
1.24 djm 2441: break;
1.26 djm 2442: case 'R':
2443: num_requests = strtol(optarg, &cp, 10);
2444: if (num_requests == 0 || *cp != '\0')
1.27 markus 2445: fatal("Invalid number of requests \"%s\"",
1.26 djm 2446: optarg);
1.108 djm 2447: break;
2448: case 's':
2449: sftp_server = optarg;
2450: break;
2451: case 'S':
2452: ssh_program = optarg;
2453: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2454: break;
1.3 djm 2455: case 'h':
2456: default:
1.1 djm 2457: usage();
2458: }
2459: }
1.45 djm 2460:
2461: if (!isatty(STDERR_FILENO))
2462: showprogress = 0;
1.1 djm 2463:
1.29 markus 2464: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2465:
1.23 djm 2466: if (sftp_direct == NULL) {
2467: if (optind == argc || argc > (optind + 2))
2468: usage();
1.181 millert 2469: argv += optind;
1.23 djm 2470:
1.181 millert 2471: switch (parse_uri("sftp", *argv, &user, &host, &tmp, &file1)) {
2472: case -1:
2473: usage();
2474: break;
2475: case 0:
2476: if (tmp != -1)
2477: port = tmp;
2478: break;
2479: default:
1.192 dtucker 2480: /* Try with user, host and path. */
1.181 millert 2481: if (parse_user_host_path(*argv, &user, &host,
1.192 dtucker 2482: &file1) == 0)
2483: break;
2484: /* Try with user and host. */
2485: if (parse_user_host_port(*argv, &user, &host, NULL)
2486: == 0)
2487: break;
2488: /* Treat as a plain hostname. */
2489: host = xstrdup(*argv);
2490: host = cleanhostname(host);
1.181 millert 2491: break;
1.23 djm 2492: }
1.181 millert 2493: file2 = *(argv + 1);
1.3 djm 2494:
1.23 djm 2495: if (!*host) {
2496: fprintf(stderr, "Missing hostname\n");
1.1 djm 2497: usage();
2498: }
2499:
1.181 millert 2500: if (port != -1)
2501: addargs(&args, "-oPort %d", port);
2502: if (user != NULL) {
2503: addargs(&args, "-l");
2504: addargs(&args, "%s", user);
2505: }
1.23 djm 2506:
2507: /* no subsystem if the server-spec contains a '/' */
2508: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2509: addargs(&args, "-s");
2510:
1.115 guenther 2511: addargs(&args, "--");
1.23 djm 2512: addargs(&args, "%s", host);
1.27 markus 2513: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2514: sftp_server : "sftp"));
2515:
1.36 djm 2516: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2517: } else {
2518: args.list = NULL;
2519: addargs(&args, "sftp-server");
2520:
1.36 djm 2521: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2522: }
1.70 djm 2523: freeargs(&args);
1.1 djm 2524:
1.126 djm 2525: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2526: if (conn == NULL)
2527: fatal("Couldn't initialise connection to server");
2528:
1.143 djm 2529: if (!quiet) {
1.112 djm 2530: if (sftp_direct == NULL)
2531: fprintf(stderr, "Connected to %s.\n", host);
2532: else
2533: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2534: }
2535:
2536: err = interactive_loop(conn, file1, file2);
1.1 djm 2537:
2538: close(in);
2539: close(out);
1.39 djm 2540: if (batchmode)
1.10 deraadt 2541: fclose(infile);
1.1 djm 2542:
1.185 bluhm 2543: while (waitpid(sshpid, NULL, 0) == -1 && sshpid > 1)
1.28 markus 2544: if (errno != EINTR)
2545: fatal("Couldn't wait for ssh process: %s",
2546: strerror(errno));
1.1 djm 2547:
1.33 djm 2548: exit(err == 0 ? 0 : 1);
1.1 djm 2549: }
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