Annotation of src/usr.bin/ssh/sftp.c, Revision 1.175
1.175 ! djm 1: /* $OpenBSD: sftp.c,v 1.174 2016/05/25 23:48:45 schwarze 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:
1.170 deraadt 18: #include <sys/param.h> /* MIN MAX */
1.91 deraadt 19: #include <sys/types.h>
1.72 stevesk 20: #include <sys/ioctl.h>
1.73 stevesk 21: #include <sys/wait.h>
1.75 stevesk 22: #include <sys/stat.h>
1.83 stevesk 23: #include <sys/socket.h>
1.100 djm 24: #include <sys/statvfs.h>
1.44 djm 25:
1.97 djm 26: #include <ctype.h>
1.85 stevesk 27: #include <errno.h>
1.44 djm 28: #include <glob.h>
1.57 djm 29: #include <histedit.h>
1.71 stevesk 30: #include <paths.h>
1.111 djm 31: #include <libgen.h>
1.146 dtucker 32: #include <locale.h>
1.74 stevesk 33: #include <signal.h>
1.174 schwarze 34: #include <stdarg.h>
1.89 stevesk 35: #include <stdlib.h>
1.90 stevesk 36: #include <stdio.h>
1.87 stevesk 37: #include <string.h>
1.86 stevesk 38: #include <unistd.h>
1.170 deraadt 39: #include <limits.h>
1.100 djm 40: #include <util.h>
1.91 deraadt 41: #include <stdarg.h>
1.1 djm 42:
43: #include "xmalloc.h"
44: #include "log.h"
45: #include "pathnames.h"
1.16 mouring 46: #include "misc.h"
1.174 schwarze 47: #include "utf8.h"
1.1 djm 48:
49: #include "sftp.h"
1.169 djm 50: #include "ssherr.h"
51: #include "sshbuf.h"
1.1 djm 52: #include "sftp-common.h"
53: #include "sftp-client.h"
1.43 djm 54:
1.112 djm 55: #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
56: #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
57:
1.44 djm 58: /* File to read commands from */
59: FILE* infile;
1.15 mouring 60:
1.44 djm 61: /* Are we in batchfile mode? */
1.39 djm 62: int batchmode = 0;
1.44 djm 63:
64: /* PID of ssh transport process */
1.36 djm 65: static pid_t sshpid = -1;
1.7 markus 66:
1.143 djm 67: /* Suppress diagnositic messages */
68: int quiet = 0;
69:
1.44 djm 70: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 71: int showprogress = 1;
1.44 djm 72:
1.111 djm 73: /* When this option is set, we always recursively download/upload directories */
74: int global_rflag = 0;
75:
1.159 logan 76: /* When this option is set, we resume download or upload if possible */
1.148 djm 77: int global_aflag = 0;
78:
1.111 djm 79: /* When this option is set, the file transfers will always preserve times */
80: int global_pflag = 0;
81:
1.156 djm 82: /* When this option is set, transfers will have fsync() called on each file */
83: int global_fflag = 0;
84:
1.46 djm 85: /* SIGINT received during command processing */
86: volatile sig_atomic_t interrupted = 0;
87:
1.52 djm 88: /* I wish qsort() took a separate ctx for the comparison function...*/
89: int sort_flag;
90:
1.116 djm 91: /* Context used for commandline completion */
92: struct complete_ctx {
93: struct sftp_conn *conn;
94: char **remote_pathp;
95: };
96:
1.44 djm 97: int remote_glob(struct sftp_conn *, const char *, int,
98: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
99:
100: /* Separators for interactive commands */
101: #define WHITESPACE " \t\r\n"
102:
1.52 djm 103: /* ls flags */
1.119 djm 104: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
105: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
106: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
107: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
108: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
109: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
110: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
111: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
112: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 113:
1.119 djm 114: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 115: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 116:
117: /* Commands for interactive mode */
1.149 djm 118: enum sftp_command {
119: I_CHDIR = 1,
120: I_CHGRP,
121: I_CHMOD,
122: I_CHOWN,
123: I_DF,
124: I_GET,
125: I_HELP,
126: I_LCHDIR,
127: I_LINK,
128: I_LLS,
129: I_LMKDIR,
130: I_LPWD,
131: I_LS,
132: I_LUMASK,
133: I_MKDIR,
134: I_PUT,
135: I_PWD,
136: I_QUIT,
1.160 logan 137: I_REGET,
1.149 djm 138: I_RENAME,
1.160 logan 139: I_REPUT,
1.149 djm 140: I_RM,
141: I_RMDIR,
142: I_SHELL,
143: I_SYMLINK,
144: I_VERSION,
145: I_PROGRESS,
146: };
1.44 djm 147:
148: struct CMD {
149: const char *c;
150: const int n;
1.116 djm 151: const int t;
1.44 djm 152: };
153:
1.116 djm 154: /* Type of completion */
155: #define NOARGS 0
156: #define REMOTE 1
157: #define LOCAL 2
158:
1.44 djm 159: static const struct CMD cmds[] = {
1.116 djm 160: { "bye", I_QUIT, NOARGS },
161: { "cd", I_CHDIR, REMOTE },
162: { "chdir", I_CHDIR, REMOTE },
163: { "chgrp", I_CHGRP, REMOTE },
164: { "chmod", I_CHMOD, REMOTE },
165: { "chown", I_CHOWN, REMOTE },
166: { "df", I_DF, REMOTE },
167: { "dir", I_LS, REMOTE },
168: { "exit", I_QUIT, NOARGS },
169: { "get", I_GET, REMOTE },
170: { "help", I_HELP, NOARGS },
171: { "lcd", I_LCHDIR, LOCAL },
172: { "lchdir", I_LCHDIR, LOCAL },
173: { "lls", I_LLS, LOCAL },
174: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 175: { "ln", I_LINK, REMOTE },
1.116 djm 176: { "lpwd", I_LPWD, LOCAL },
177: { "ls", I_LS, REMOTE },
178: { "lumask", I_LUMASK, NOARGS },
179: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 180: { "mget", I_GET, REMOTE },
181: { "mput", I_PUT, LOCAL },
1.116 djm 182: { "progress", I_PROGRESS, NOARGS },
183: { "put", I_PUT, LOCAL },
184: { "pwd", I_PWD, REMOTE },
185: { "quit", I_QUIT, NOARGS },
1.148 djm 186: { "reget", I_REGET, REMOTE },
1.116 djm 187: { "rename", I_RENAME, REMOTE },
1.167 djm 188: { "reput", I_REPUT, LOCAL },
1.116 djm 189: { "rm", I_RM, REMOTE },
190: { "rmdir", I_RMDIR, REMOTE },
191: { "symlink", I_SYMLINK, REMOTE },
192: { "version", I_VERSION, NOARGS },
193: { "!", I_SHELL, NOARGS },
194: { "?", I_HELP, NOARGS },
195: { NULL, -1, -1 }
1.44 djm 196: };
197:
1.112 djm 198: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 199:
1.96 stevesk 200: /* ARGSUSED */
1.44 djm 201: static void
1.46 djm 202: killchild(int signo)
203: {
1.61 dtucker 204: if (sshpid > 1) {
1.46 djm 205: kill(sshpid, SIGTERM);
1.61 dtucker 206: waitpid(sshpid, NULL, 0);
207: }
1.46 djm 208:
209: _exit(1);
210: }
211:
1.96 stevesk 212: /* ARGSUSED */
1.46 djm 213: static void
214: cmd_interrupt(int signo)
215: {
216: const char msg[] = "\rInterrupt \n";
1.59 djm 217: int olderrno = errno;
1.46 djm 218:
1.144 dtucker 219: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 220: interrupted = 1;
1.59 djm 221: errno = olderrno;
1.46 djm 222: }
223:
224: static void
1.44 djm 225: help(void)
226: {
1.106 sobrado 227: printf("Available commands:\n"
228: "bye Quit sftp\n"
229: "cd path Change remote directory to 'path'\n"
230: "chgrp grp path Change group of file 'path' to 'grp'\n"
231: "chmod mode path Change permissions of file 'path' to 'mode'\n"
232: "chown own path Change owner of file 'path' to 'own'\n"
233: "df [-hi] [path] Display statistics for current directory or\n"
234: " filesystem containing 'path'\n"
235: "exit Quit sftp\n"
1.167 djm 236: "get [-afPpRr] remote [local] Download file\n"
237: "reget [-fPpRr] remote [local] Resume download file\n"
238: "reput [-fPpRr] [local] remote Resume upload file\n"
1.106 sobrado 239: "help Display this help text\n"
240: "lcd path Change local directory to 'path'\n"
241: "lls [ls-options [path]] Display local directory listing\n"
242: "lmkdir path Create local directory\n"
1.132 djm 243: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 244: "lpwd Print local working directory\n"
1.121 jmc 245: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 246: "lumask umask Set local umask to 'umask'\n"
247: "mkdir path Create remote directory\n"
248: "progress Toggle display of progress meter\n"
1.167 djm 249: "put [-afPpRr] local [remote] Upload file\n"
1.106 sobrado 250: "pwd Display remote working directory\n"
251: "quit Quit sftp\n"
252: "rename oldpath newpath Rename remote file\n"
253: "rm path Delete remote file\n"
254: "rmdir path Remove remote directory\n"
255: "symlink oldpath newpath Symlink remote file\n"
256: "version Show SFTP version\n"
257: "!command Execute 'command' in local shell\n"
258: "! Escape to local shell\n"
259: "? Synonym for help\n");
1.44 djm 260: }
261:
262: static void
263: local_do_shell(const char *args)
264: {
265: int status;
266: char *shell;
267: pid_t pid;
268:
269: if (!*args)
270: args = NULL;
271:
1.130 djm 272: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 273: shell = _PATH_BSHELL;
274:
275: if ((pid = fork()) == -1)
276: fatal("Couldn't fork: %s", strerror(errno));
277:
278: if (pid == 0) {
279: /* XXX: child has pipe fds to ssh subproc open - issue? */
280: if (args) {
281: debug3("Executing %s -c \"%s\"", shell, args);
282: execl(shell, shell, "-c", args, (char *)NULL);
283: } else {
284: debug3("Executing %s", shell);
285: execl(shell, shell, (char *)NULL);
286: }
287: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
288: strerror(errno));
289: _exit(1);
290: }
291: while (waitpid(pid, &status, 0) == -1)
292: if (errno != EINTR)
293: fatal("Couldn't wait for child: %s", strerror(errno));
294: if (!WIFEXITED(status))
1.78 djm 295: error("Shell exited abnormally");
1.44 djm 296: else if (WEXITSTATUS(status))
297: error("Shell exited with status %d", WEXITSTATUS(status));
298: }
299:
300: static void
301: local_do_ls(const char *args)
302: {
303: if (!args || !*args)
304: local_do_shell(_PATH_LS);
305: else {
306: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
307: char *buf = xmalloc(len);
308:
309: /* XXX: quoting - rip quoting code from ftp? */
310: snprintf(buf, len, _PATH_LS " %s", args);
311: local_do_shell(buf);
1.145 djm 312: free(buf);
1.44 djm 313: }
314: }
315:
316: /* Strip one path (usually the pwd) from the start of another */
317: static char *
1.175 ! djm 318: path_strip(const char *path, const char *strip)
1.44 djm 319: {
320: size_t len;
321:
322: if (strip == NULL)
323: return (xstrdup(path));
324:
325: len = strlen(strip);
1.59 djm 326: if (strncmp(path, strip, len) == 0) {
1.44 djm 327: if (strip[len - 1] != '/' && path[len] == '/')
328: len++;
329: return (xstrdup(path + len));
330: }
331:
332: return (xstrdup(path));
333: }
334:
335: static char *
1.175 ! djm 336: make_absolute(char *p, const char *pwd)
1.44 djm 337: {
1.51 avsm 338: char *abs_str;
1.44 djm 339:
340: /* Derelativise */
341: if (p && p[0] != '/') {
1.51 avsm 342: abs_str = path_append(pwd, p);
1.145 djm 343: free(p);
1.51 avsm 344: return(abs_str);
1.44 djm 345: } else
346: return(p);
347: }
348:
349: static int
1.148 djm 350: parse_getput_flags(const char *cmd, char **argv, int argc,
1.156 djm 351: int *aflag, int *fflag, int *pflag, int *rflag)
1.44 djm 352: {
1.102 martynas 353: extern int opterr, optind, optopt, optreset;
1.97 djm 354: int ch;
1.44 djm 355:
1.97 djm 356: optind = optreset = 1;
357: opterr = 0;
358:
1.156 djm 359: *aflag = *fflag = *rflag = *pflag = 0;
360: while ((ch = getopt(argc, argv, "afPpRr")) != -1) {
1.97 djm 361: switch (ch) {
1.148 djm 362: case 'a':
363: *aflag = 1;
364: break;
1.156 djm 365: case 'f':
366: *fflag = 1;
367: break;
1.44 djm 368: case 'p':
369: case 'P':
370: *pflag = 1;
371: break;
1.111 djm 372: case 'r':
373: case 'R':
374: *rflag = 1;
375: break;
1.44 djm 376: default:
1.102 martynas 377: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 378: return -1;
1.44 djm 379: }
380: }
381:
1.97 djm 382: return optind;
1.44 djm 383: }
384:
385: static int
1.132 djm 386: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
387: {
388: extern int opterr, optind, optopt, optreset;
389: int ch;
390:
391: optind = optreset = 1;
392: opterr = 0;
393:
394: *sflag = 0;
395: while ((ch = getopt(argc, argv, "s")) != -1) {
396: switch (ch) {
397: case 's':
398: *sflag = 1;
399: break;
400: default:
401: error("%s: Invalid flag -%c", cmd, optopt);
402: return -1;
403: }
404: }
405:
406: return optind;
407: }
408:
409: static int
1.152 djm 410: parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag)
411: {
412: extern int opterr, optind, optopt, optreset;
413: int ch;
414:
415: optind = optreset = 1;
416: opterr = 0;
417:
418: *lflag = 0;
419: while ((ch = getopt(argc, argv, "l")) != -1) {
420: switch (ch) {
421: case 'l':
422: *lflag = 1;
423: break;
424: default:
425: error("%s: Invalid flag -%c", cmd, optopt);
426: return -1;
427: }
428: }
429:
430: return optind;
431: }
432:
433: static int
1.97 djm 434: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 435: {
1.102 martynas 436: extern int opterr, optind, optopt, optreset;
1.97 djm 437: int ch;
438:
439: optind = optreset = 1;
440: opterr = 0;
1.44 djm 441:
1.53 djm 442: *lflag = LS_NAME_SORT;
1.119 djm 443: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 444: switch (ch) {
445: case '1':
446: *lflag &= ~VIEW_FLAGS;
447: *lflag |= LS_SHORT_VIEW;
448: break;
449: case 'S':
450: *lflag &= ~SORT_FLAGS;
451: *lflag |= LS_SIZE_SORT;
452: break;
453: case 'a':
454: *lflag |= LS_SHOW_ALL;
455: break;
456: case 'f':
457: *lflag &= ~SORT_FLAGS;
458: break;
1.119 djm 459: case 'h':
460: *lflag |= LS_SI_UNITS;
461: break;
1.97 djm 462: case 'l':
1.119 djm 463: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 464: *lflag |= LS_LONG_VIEW;
465: break;
466: case 'n':
1.119 djm 467: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 468: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
469: break;
470: case 'r':
471: *lflag |= LS_REVERSE_SORT;
472: break;
473: case 't':
474: *lflag &= ~SORT_FLAGS;
475: *lflag |= LS_TIME_SORT;
476: break;
477: default:
1.102 martynas 478: error("ls: Invalid flag -%c", optopt);
1.97 djm 479: return -1;
1.44 djm 480: }
481: }
482:
1.97 djm 483: return optind;
1.44 djm 484: }
485:
486: static int
1.100 djm 487: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
488: {
1.102 martynas 489: extern int opterr, optind, optopt, optreset;
1.100 djm 490: int ch;
491:
492: optind = optreset = 1;
493: opterr = 0;
494:
495: *hflag = *iflag = 0;
496: while ((ch = getopt(argc, argv, "hi")) != -1) {
497: switch (ch) {
498: case 'h':
499: *hflag = 1;
500: break;
501: case 'i':
502: *iflag = 1;
503: break;
504: default:
1.102 martynas 505: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 506: return -1;
507: }
508: }
509:
510: return optind;
511: }
512:
513: static int
1.153 djm 514: parse_no_flags(const char *cmd, char **argv, int argc)
515: {
516: extern int opterr, optind, optopt, optreset;
517: int ch;
518:
519: optind = optreset = 1;
520: opterr = 0;
521:
522: while ((ch = getopt(argc, argv, "")) != -1) {
523: switch (ch) {
524: default:
525: error("%s: Invalid flag -%c", cmd, optopt);
526: return -1;
527: }
528: }
529:
530: return optind;
531: }
532:
533: static int
1.175 ! djm 534: is_dir(const char *path)
1.44 djm 535: {
536: struct stat sb;
537:
538: /* XXX: report errors? */
539: if (stat(path, &sb) == -1)
540: return(0);
541:
1.92 otto 542: return(S_ISDIR(sb.st_mode));
1.44 djm 543: }
544:
545: static int
1.175 ! djm 546: remote_is_dir(struct sftp_conn *conn, const char *path)
1.44 djm 547: {
548: Attrib *a;
549:
550: /* XXX: report errors? */
551: if ((a = do_stat(conn, path, 1)) == NULL)
552: return(0);
553: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
554: return(0);
1.92 otto 555: return(S_ISDIR(a->perm));
1.44 djm 556: }
557:
1.111 djm 558: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
559: static int
1.175 ! djm 560: pathname_is_dir(const char *pathname)
1.111 djm 561: {
562: size_t l = strlen(pathname);
563:
564: return l > 0 && pathname[l - 1] == '/';
565: }
566:
1.44 djm 567: static int
1.175 ! djm 568: process_get(struct sftp_conn *conn, const char *src, const char *dst,
! 569: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 570: {
571: char *abs_src = NULL;
572: char *abs_dst = NULL;
573: glob_t g;
1.111 djm 574: char *filename, *tmp=NULL;
1.164 djm 575: int i, r, err = 0;
1.44 djm 576:
577: abs_src = xstrdup(src);
578: abs_src = make_absolute(abs_src, pwd);
1.111 djm 579: memset(&g, 0, sizeof(g));
1.44 djm 580:
581: debug3("Looking up %s", abs_src);
1.164 djm 582: if ((r = remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) != 0) {
583: if (r == GLOB_NOSPACE) {
584: error("Too many matches for \"%s\".", abs_src);
585: } else {
586: error("File \"%s\" not found.", abs_src);
587: }
1.44 djm 588: err = -1;
589: goto out;
590: }
591:
1.111 djm 592: /*
593: * If multiple matches then dst must be a directory or
594: * unspecified.
595: */
596: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
597: error("Multiple source paths, but destination "
598: "\"%s\" is not a directory", dst);
1.44 djm 599: err = -1;
600: goto out;
601: }
602:
1.46 djm 603: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 604: tmp = xstrdup(g.gl_pathv[i]);
605: if ((filename = basename(tmp)) == NULL) {
606: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 607: free(tmp);
1.44 djm 608: err = -1;
609: goto out;
610: }
611:
612: if (g.gl_matchc == 1 && dst) {
613: if (is_dir(dst)) {
1.111 djm 614: abs_dst = path_append(dst, filename);
615: } else {
1.44 djm 616: abs_dst = xstrdup(dst);
1.111 djm 617: }
1.44 djm 618: } else if (dst) {
1.111 djm 619: abs_dst = path_append(dst, filename);
620: } else {
621: abs_dst = xstrdup(filename);
622: }
1.145 djm 623: free(tmp);
1.44 djm 624:
1.148 djm 625: resume |= global_aflag;
626: if (!quiet && resume)
1.174 schwarze 627: mprintf("Resuming %s to %s\n",
628: g.gl_pathv[i], abs_dst);
1.148 djm 629: else if (!quiet && !resume)
1.174 schwarze 630: mprintf("Fetching %s to %s\n",
631: g.gl_pathv[i], abs_dst);
1.111 djm 632: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 633: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 634: pflag || global_pflag, 1, resume,
635: fflag || global_fflag) == -1)
1.111 djm 636: err = -1;
637: } else {
638: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 639: pflag || global_pflag, resume,
640: fflag || global_fflag) == -1)
1.111 djm 641: err = -1;
642: }
1.145 djm 643: free(abs_dst);
1.44 djm 644: abs_dst = NULL;
645: }
646:
647: out:
1.145 djm 648: free(abs_src);
1.44 djm 649: globfree(&g);
650: return(err);
651: }
652:
653: static int
1.175 ! djm 654: process_put(struct sftp_conn *conn, const char *src, const char *dst,
! 655: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 656: {
657: char *tmp_dst = NULL;
658: char *abs_dst = NULL;
1.111 djm 659: char *tmp = NULL, *filename = NULL;
1.44 djm 660: glob_t g;
661: int err = 0;
1.111 djm 662: int i, dst_is_dir = 1;
1.99 djm 663: struct stat sb;
1.44 djm 664:
665: if (dst) {
666: tmp_dst = xstrdup(dst);
667: tmp_dst = make_absolute(tmp_dst, pwd);
668: }
669:
670: memset(&g, 0, sizeof(g));
671: debug3("Looking up %s", src);
1.111 djm 672: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 673: error("File \"%s\" not found.", src);
674: err = -1;
675: goto out;
676: }
677:
1.111 djm 678: /* If we aren't fetching to pwd then stash this status for later */
679: if (tmp_dst != NULL)
680: dst_is_dir = remote_is_dir(conn, tmp_dst);
681:
1.44 djm 682: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 683: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
684: error("Multiple paths match, but destination "
685: "\"%s\" is not a directory", tmp_dst);
1.44 djm 686: err = -1;
687: goto out;
688: }
689:
1.46 djm 690: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 691: if (stat(g.gl_pathv[i], &sb) == -1) {
692: err = -1;
693: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
694: continue;
695: }
1.149 djm 696:
1.111 djm 697: tmp = xstrdup(g.gl_pathv[i]);
698: if ((filename = basename(tmp)) == NULL) {
699: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 700: free(tmp);
1.44 djm 701: err = -1;
702: goto out;
703: }
704:
705: if (g.gl_matchc == 1 && tmp_dst) {
706: /* If directory specified, append filename */
1.111 djm 707: if (dst_is_dir)
708: abs_dst = path_append(tmp_dst, filename);
709: else
1.44 djm 710: abs_dst = xstrdup(tmp_dst);
711: } else if (tmp_dst) {
1.111 djm 712: abs_dst = path_append(tmp_dst, filename);
713: } else {
714: abs_dst = make_absolute(xstrdup(filename), pwd);
715: }
1.145 djm 716: free(tmp);
1.44 djm 717:
1.159 logan 718: resume |= global_aflag;
719: if (!quiet && resume)
1.174 schwarze 720: mprintf("Resuming upload of %s to %s\n",
721: g.gl_pathv[i], abs_dst);
1.159 logan 722: else if (!quiet && !resume)
1.174 schwarze 723: mprintf("Uploading %s to %s\n",
724: g.gl_pathv[i], abs_dst);
1.111 djm 725: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
726: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.159 logan 727: pflag || global_pflag, 1, resume,
1.156 djm 728: fflag || global_fflag) == -1)
1.111 djm 729: err = -1;
730: } else {
731: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.159 logan 732: pflag || global_pflag, resume,
1.156 djm 733: fflag || global_fflag) == -1)
1.111 djm 734: err = -1;
735: }
1.44 djm 736: }
737:
738: out:
1.145 djm 739: free(abs_dst);
740: free(tmp_dst);
1.44 djm 741: globfree(&g);
742: return(err);
743: }
744:
745: static int
746: sdirent_comp(const void *aa, const void *bb)
747: {
748: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
749: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 750: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 751:
1.52 djm 752: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 753: if (sort_flag & LS_NAME_SORT)
1.52 djm 754: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 755: else if (sort_flag & LS_TIME_SORT)
1.52 djm 756: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 757: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 758: return (rmul * NCMP(a->a.size, b->a.size));
759:
760: fatal("Unknown ls sort type");
1.44 djm 761: }
762:
763: /* sftp ls.1 replacement for directories */
764: static int
1.175 ! djm 765: do_ls_dir(struct sftp_conn *conn, const char *path,
! 766: const char *strip_path, int lflag)
1.44 djm 767: {
1.64 djm 768: int n;
769: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 770: SFTP_DIRENT **d;
771:
772: if ((n = do_readdir(conn, path, &d)) != 0)
773: return (n);
774:
1.53 djm 775: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 776: u_int m = 0, width = 80;
1.44 djm 777: struct winsize ws;
778: char *tmp;
779:
780: /* Count entries for sort and find longest filename */
1.54 djm 781: for (n = 0; d[n] != NULL; n++) {
782: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
783: m = MAX(m, strlen(d[n]->filename));
784: }
1.44 djm 785:
786: /* Add any subpath that also needs to be counted */
787: tmp = path_strip(path, strip_path);
788: m += strlen(tmp);
1.145 djm 789: free(tmp);
1.44 djm 790:
791: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
792: width = ws.ws_col;
793:
794: columns = width / (m + 2);
795: columns = MAX(columns, 1);
796: colspace = width / columns;
797: colspace = MIN(colspace, width);
798: }
799:
1.52 djm 800: if (lflag & SORT_FLAGS) {
1.68 dtucker 801: for (n = 0; d[n] != NULL; n++)
802: ; /* count entries */
1.53 djm 803: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 804: qsort(d, n, sizeof(*d), sdirent_comp);
805: }
1.44 djm 806:
1.46 djm 807: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 808: char *tmp, *fname;
1.54 djm 809:
810: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
811: continue;
1.44 djm 812:
813: tmp = path_append(path, d[n]->filename);
814: fname = path_strip(tmp, strip_path);
1.145 djm 815: free(tmp);
1.44 djm 816:
1.53 djm 817: if (lflag & LS_LONG_VIEW) {
1.119 djm 818: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 819: char *lname;
820: struct stat sb;
821:
822: memset(&sb, 0, sizeof(sb));
823: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 824: lname = ls_file(fname, &sb, 1,
825: (lflag & LS_SI_UNITS));
1.174 schwarze 826: mprintf("%s\n", lname);
1.145 djm 827: free(lname);
1.50 djm 828: } else
1.174 schwarze 829: mprintf("%s\n", d[n]->longname);
1.44 djm 830: } else {
1.174 schwarze 831: mprintf("%-*s", colspace, fname);
1.44 djm 832: if (c >= columns) {
833: printf("\n");
834: c = 1;
835: } else
836: c++;
837: }
838:
1.145 djm 839: free(fname);
1.44 djm 840: }
841:
1.53 djm 842: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 843: printf("\n");
844:
845: free_sftp_dirents(d);
846: return (0);
847: }
848:
849: /* sftp ls.1 replacement which handles path globs */
850: static int
1.175 ! djm 851: do_globbed_ls(struct sftp_conn *conn, const char *path,
! 852: const char *strip_path, int lflag)
1.44 djm 853: {
1.129 djm 854: char *fname, *lname;
1.44 djm 855: glob_t g;
1.164 djm 856: int err, r;
1.129 djm 857: struct winsize ws;
858: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 859:
860: memset(&g, 0, sizeof(g));
861:
1.164 djm 862: if ((r = remote_glob(conn, path,
1.133 djm 863: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
1.164 djm 864: NULL, &g)) != 0 ||
1.128 djm 865: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 866: if (g.gl_pathc)
867: globfree(&g);
1.164 djm 868: if (r == GLOB_NOSPACE) {
869: error("Can't ls: Too many matches for \"%s\"", path);
870: } else {
871: error("Can't ls: \"%s\" not found", path);
872: }
1.128 djm 873: return -1;
1.44 djm 874: }
875:
1.46 djm 876: if (interrupted)
877: goto out;
878:
1.44 djm 879: /*
1.60 fgsch 880: * If the glob returns a single match and it is a directory,
881: * then just list its contents.
1.44 djm 882: */
1.128 djm 883: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
884: S_ISDIR(g.gl_statv[0]->st_mode)) {
885: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
886: globfree(&g);
887: return err;
1.44 djm 888: }
889:
1.129 djm 890: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
891: width = ws.ws_col;
892:
1.53 djm 893: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 894: /* Count entries for sort and find longest filename */
895: for (i = 0; g.gl_pathv[i]; i++)
896: m = MAX(m, strlen(g.gl_pathv[i]));
897:
898: columns = width / (m + 2);
899: columns = MAX(columns, 1);
900: colspace = width / columns;
901: }
902:
1.136 dtucker 903: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 904: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 905: if (lflag & LS_LONG_VIEW) {
1.128 djm 906: if (g.gl_statv[i] == NULL) {
907: error("no stat information for %s", fname);
908: continue;
909: }
910: lname = ls_file(fname, g.gl_statv[i], 1,
911: (lflag & LS_SI_UNITS));
1.174 schwarze 912: mprintf("%s\n", lname);
1.145 djm 913: free(lname);
1.44 djm 914: } else {
1.174 schwarze 915: mprintf("%-*s", colspace, fname);
1.44 djm 916: if (c >= columns) {
917: printf("\n");
918: c = 1;
919: } else
920: c++;
921: }
1.145 djm 922: free(fname);
1.44 djm 923: }
924:
1.53 djm 925: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 926: printf("\n");
927:
1.46 djm 928: out:
1.44 djm 929: if (g.gl_pathc)
930: globfree(&g);
931:
1.128 djm 932: return 0;
1.44 djm 933: }
934:
1.100 djm 935: static int
1.175 ! djm 936: do_df(struct sftp_conn *conn, const char *path, int hflag, int iflag)
1.100 djm 937: {
1.101 dtucker 938: struct sftp_statvfs st;
1.100 djm 939: char s_used[FMT_SCALED_STRSIZE];
940: char s_avail[FMT_SCALED_STRSIZE];
941: char s_root[FMT_SCALED_STRSIZE];
942: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 943: unsigned long long ffree;
1.100 djm 944:
945: if (do_statvfs(conn, path, &st, 1) == -1)
946: return -1;
947: if (iflag) {
1.114 dtucker 948: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 949: printf(" Inodes Used Avail "
950: "(root) %%Capacity\n");
951: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
952: (unsigned long long)st.f_files,
953: (unsigned long long)(st.f_files - st.f_ffree),
954: (unsigned long long)st.f_favail,
1.114 dtucker 955: (unsigned long long)st.f_ffree, ffree);
1.100 djm 956: } else if (hflag) {
957: strlcpy(s_used, "error", sizeof(s_used));
958: strlcpy(s_avail, "error", sizeof(s_avail));
959: strlcpy(s_root, "error", sizeof(s_root));
960: strlcpy(s_total, "error", sizeof(s_total));
961: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
962: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
963: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
964: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
965: printf(" Size Used Avail (root) %%Capacity\n");
966: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
967: s_total, s_used, s_avail, s_root,
968: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
969: st.f_blocks));
970: } else {
971: printf(" Size Used Avail "
972: "(root) %%Capacity\n");
973: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
974: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
975: (unsigned long long)(st.f_frsize *
976: (st.f_blocks - st.f_bfree) / 1024),
977: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
978: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
979: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
980: st.f_blocks));
981: }
982: return 0;
983: }
984:
1.97 djm 985: /*
986: * Undo escaping of glob sequences in place. Used to undo extra escaping
987: * applied in makeargv() when the string is destined for a function that
988: * does not glob it.
989: */
990: static void
991: undo_glob_escape(char *s)
992: {
993: size_t i, j;
994:
995: for (i = j = 0;;) {
996: if (s[i] == '\0') {
997: s[j] = '\0';
998: return;
999: }
1000: if (s[i] != '\\') {
1001: s[j++] = s[i++];
1002: continue;
1003: }
1004: /* s[i] == '\\' */
1005: ++i;
1006: switch (s[i]) {
1007: case '?':
1008: case '[':
1009: case '*':
1010: case '\\':
1011: s[j++] = s[i++];
1012: break;
1013: case '\0':
1014: s[j++] = '\\';
1015: s[j] = '\0';
1016: return;
1017: default:
1018: s[j++] = '\\';
1019: s[j++] = s[i++];
1020: break;
1021: }
1022: }
1023: }
1024:
1025: /*
1026: * Split a string into an argument vector using sh(1)-style quoting,
1027: * comment and escaping rules, but with some tweaks to handle glob(3)
1028: * wildcards.
1.116 djm 1029: * The "sloppy" flag allows for recovery from missing terminating quote, for
1030: * use in parsing incomplete commandlines during tab autocompletion.
1031: *
1.97 djm 1032: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1033: *
1034: * If "lastquote" is not NULL, the quoting character used for the last
1035: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1036: *
1.116 djm 1037: * If "terminated" is not NULL, *terminated will be set to 1 when the
1038: * last argument's quote has been properly terminated or 0 otherwise.
1039: * This parameter is only of use if "sloppy" is set.
1.97 djm 1040: */
1041: #define MAXARGS 128
1042: #define MAXARGLEN 8192
1043: static char **
1.116 djm 1044: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1045: u_int *terminated)
1.97 djm 1046: {
1047: int argc, quot;
1048: size_t i, j;
1049: static char argvs[MAXARGLEN];
1050: static char *argv[MAXARGS + 1];
1051: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1052:
1053: *argcp = argc = 0;
1054: if (strlen(arg) > sizeof(argvs) - 1) {
1055: args_too_longs:
1056: error("string too long");
1057: return NULL;
1058: }
1.116 djm 1059: if (terminated != NULL)
1060: *terminated = 1;
1061: if (lastquote != NULL)
1062: *lastquote = '\0';
1.97 djm 1063: state = MA_START;
1064: i = j = 0;
1065: for (;;) {
1.141 markus 1066: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1067: error("Too many arguments.");
1068: return NULL;
1069: }
1.158 deraadt 1070: if (isspace((unsigned char)arg[i])) {
1.97 djm 1071: if (state == MA_UNQUOTED) {
1072: /* Terminate current argument */
1073: argvs[j++] = '\0';
1074: argc++;
1075: state = MA_START;
1076: } else if (state != MA_START)
1077: argvs[j++] = arg[i];
1078: } else if (arg[i] == '"' || arg[i] == '\'') {
1079: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1080: if (state == MA_START) {
1081: argv[argc] = argvs + j;
1082: state = q;
1.116 djm 1083: if (lastquote != NULL)
1084: *lastquote = arg[i];
1.149 djm 1085: } else if (state == MA_UNQUOTED)
1.97 djm 1086: state = q;
1087: else if (state == q)
1088: state = MA_UNQUOTED;
1089: else
1090: argvs[j++] = arg[i];
1091: } else if (arg[i] == '\\') {
1092: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1093: quot = state == MA_SQUOTE ? '\'' : '"';
1094: /* Unescape quote we are in */
1095: /* XXX support \n and friends? */
1096: if (arg[i + 1] == quot) {
1097: i++;
1098: argvs[j++] = arg[i];
1099: } else if (arg[i + 1] == '?' ||
1100: arg[i + 1] == '[' || arg[i + 1] == '*') {
1101: /*
1102: * Special case for sftp: append
1103: * double-escaped glob sequence -
1104: * glob will undo one level of
1105: * escaping. NB. string can grow here.
1106: */
1107: if (j >= sizeof(argvs) - 5)
1108: goto args_too_longs;
1109: argvs[j++] = '\\';
1110: argvs[j++] = arg[i++];
1111: argvs[j++] = '\\';
1112: argvs[j++] = arg[i];
1113: } else {
1114: argvs[j++] = arg[i++];
1115: argvs[j++] = arg[i];
1116: }
1117: } else {
1118: if (state == MA_START) {
1119: argv[argc] = argvs + j;
1120: state = MA_UNQUOTED;
1.116 djm 1121: if (lastquote != NULL)
1122: *lastquote = '\0';
1.97 djm 1123: }
1124: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1125: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1126: /*
1127: * Special case for sftp: append
1128: * escaped glob sequence -
1129: * glob will undo one level of
1130: * escaping.
1131: */
1132: argvs[j++] = arg[i++];
1133: argvs[j++] = arg[i];
1134: } else {
1135: /* Unescape everything */
1136: /* XXX support \n and friends? */
1137: i++;
1138: argvs[j++] = arg[i];
1139: }
1140: }
1141: } else if (arg[i] == '#') {
1142: if (state == MA_SQUOTE || state == MA_DQUOTE)
1143: argvs[j++] = arg[i];
1144: else
1145: goto string_done;
1146: } else if (arg[i] == '\0') {
1147: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1148: if (sloppy) {
1149: state = MA_UNQUOTED;
1150: if (terminated != NULL)
1151: *terminated = 0;
1152: goto string_done;
1153: }
1.97 djm 1154: error("Unterminated quoted argument");
1155: return NULL;
1156: }
1157: string_done:
1158: if (state == MA_UNQUOTED) {
1159: argvs[j++] = '\0';
1160: argc++;
1161: }
1162: break;
1163: } else {
1164: if (state == MA_START) {
1165: argv[argc] = argvs + j;
1166: state = MA_UNQUOTED;
1.116 djm 1167: if (lastquote != NULL)
1168: *lastquote = '\0';
1.97 djm 1169: }
1170: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1171: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1172: /*
1173: * Special case for sftp: escape quoted
1174: * glob(3) wildcards. NB. string can grow
1175: * here.
1176: */
1177: if (j >= sizeof(argvs) - 3)
1178: goto args_too_longs;
1179: argvs[j++] = '\\';
1180: argvs[j++] = arg[i];
1181: } else
1182: argvs[j++] = arg[i];
1183: }
1184: i++;
1185: }
1186: *argcp = argc;
1187: return argv;
1188: }
1189:
1.44 djm 1190: static int
1.159 logan 1191: parse_args(const char **cpp, int *ignore_errors, int *aflag,
1.173 djm 1192: int *fflag, int *hflag, int *iflag, int *lflag, int *pflag,
1.159 logan 1193: int *rflag, int *sflag,
1.156 djm 1194: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1195: {
1196: const char *cmd, *cp = *cpp;
1.97 djm 1197: char *cp2, **argv;
1.44 djm 1198: int base = 0;
1199: long l;
1.97 djm 1200: int i, cmdnum, optidx, argc;
1.44 djm 1201:
1202: /* Skip leading whitespace */
1203: cp = cp + strspn(cp, WHITESPACE);
1204:
1205: /* Check for leading '-' (disable error processing) */
1.156 djm 1206: *ignore_errors = 0;
1.44 djm 1207: if (*cp == '-') {
1.156 djm 1208: *ignore_errors = 1;
1.44 djm 1209: cp++;
1.118 dtucker 1210: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1211: }
1.118 dtucker 1212:
1213: /* Ignore blank lines and lines which begin with comment '#' char */
1214: if (*cp == '\0' || *cp == '#')
1215: return (0);
1.44 djm 1216:
1.116 djm 1217: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1218: return -1;
1219:
1.44 djm 1220: /* Figure out which command we have */
1.97 djm 1221: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1222: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1223: break;
1224: }
1225: cmdnum = cmds[i].n;
1226: cmd = cmds[i].c;
1227:
1228: /* Special case */
1229: if (*cp == '!') {
1230: cp++;
1231: cmdnum = I_SHELL;
1232: } else if (cmdnum == -1) {
1233: error("Invalid command.");
1.97 djm 1234: return -1;
1.44 djm 1235: }
1236:
1237: /* Get arguments and parse flags */
1.156 djm 1238: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1239: *rflag = *sflag = 0;
1.44 djm 1240: *path1 = *path2 = NULL;
1.97 djm 1241: optidx = 1;
1.44 djm 1242: switch (cmdnum) {
1243: case I_GET:
1.148 djm 1244: case I_REGET:
1.159 logan 1245: case I_REPUT:
1.44 djm 1246: case I_PUT:
1.132 djm 1247: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1248: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1249: return -1;
1.44 djm 1250: /* Get first pathname (mandatory) */
1.97 djm 1251: if (argc - optidx < 1) {
1.44 djm 1252: error("You must specify at least one path after a "
1253: "%s command.", cmd);
1.97 djm 1254: return -1;
1255: }
1256: *path1 = xstrdup(argv[optidx]);
1257: /* Get second pathname (optional) */
1258: if (argc - optidx > 1) {
1259: *path2 = xstrdup(argv[optidx + 1]);
1260: /* Destination is not globbed */
1261: undo_glob_escape(*path2);
1.44 djm 1262: }
1263: break;
1.132 djm 1264: case I_LINK:
1265: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1266: return -1;
1.152 djm 1267: goto parse_two_paths;
1268: case I_RENAME:
1269: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1270: return -1;
1271: goto parse_two_paths;
1.132 djm 1272: case I_SYMLINK:
1.153 djm 1273: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1274: return -1;
1.152 djm 1275: parse_two_paths:
1.97 djm 1276: if (argc - optidx < 2) {
1.44 djm 1277: error("You must specify two paths after a %s "
1278: "command.", cmd);
1.97 djm 1279: return -1;
1.44 djm 1280: }
1.97 djm 1281: *path1 = xstrdup(argv[optidx]);
1282: *path2 = xstrdup(argv[optidx + 1]);
1283: /* Paths are not globbed */
1284: undo_glob_escape(*path1);
1285: undo_glob_escape(*path2);
1.44 djm 1286: break;
1287: case I_RM:
1288: case I_MKDIR:
1289: case I_RMDIR:
1290: case I_CHDIR:
1291: case I_LCHDIR:
1292: case I_LMKDIR:
1.153 djm 1293: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1294: return -1;
1.44 djm 1295: /* Get pathname (mandatory) */
1.97 djm 1296: if (argc - optidx < 1) {
1.44 djm 1297: error("You must specify a path after a %s command.",
1298: cmd);
1.97 djm 1299: return -1;
1.44 djm 1300: }
1.97 djm 1301: *path1 = xstrdup(argv[optidx]);
1302: /* Only "rm" globs */
1303: if (cmdnum != I_RM)
1304: undo_glob_escape(*path1);
1.44 djm 1305: break;
1.100 djm 1306: case I_DF:
1307: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1308: iflag)) == -1)
1309: return -1;
1310: /* Default to current directory if no path specified */
1311: if (argc - optidx < 1)
1312: *path1 = NULL;
1313: else {
1314: *path1 = xstrdup(argv[optidx]);
1315: undo_glob_escape(*path1);
1316: }
1317: break;
1.44 djm 1318: case I_LS:
1.97 djm 1319: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1320: return(-1);
1321: /* Path is optional */
1.97 djm 1322: if (argc - optidx > 0)
1323: *path1 = xstrdup(argv[optidx]);
1.44 djm 1324: break;
1325: case I_LLS:
1.98 djm 1326: /* Skip ls command and following whitespace */
1327: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1328: case I_SHELL:
1329: /* Uses the rest of the line */
1330: break;
1331: case I_LUMASK:
1332: case I_CHMOD:
1333: base = 8;
1334: case I_CHOWN:
1335: case I_CHGRP:
1.153 djm 1336: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1337: return -1;
1.44 djm 1338: /* Get numeric arg (mandatory) */
1.97 djm 1339: if (argc - optidx < 1)
1340: goto need_num_arg;
1.93 ray 1341: errno = 0;
1.97 djm 1342: l = strtol(argv[optidx], &cp2, base);
1343: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1344: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1345: l < 0) {
1346: need_num_arg:
1.44 djm 1347: error("You must supply a numeric argument "
1348: "to the %s command.", cmd);
1.97 djm 1349: return -1;
1.44 djm 1350: }
1351: *n_arg = l;
1.97 djm 1352: if (cmdnum == I_LUMASK)
1.44 djm 1353: break;
1354: /* Get pathname (mandatory) */
1.97 djm 1355: if (argc - optidx < 2) {
1.44 djm 1356: error("You must specify a path after a %s command.",
1357: cmd);
1.97 djm 1358: return -1;
1.44 djm 1359: }
1.97 djm 1360: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1361: break;
1362: case I_QUIT:
1363: case I_PWD:
1364: case I_LPWD:
1365: case I_HELP:
1366: case I_VERSION:
1367: case I_PROGRESS:
1.153 djm 1368: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1369: return -1;
1.44 djm 1370: break;
1371: default:
1372: fatal("Command not implemented");
1373: }
1374:
1375: *cpp = cp;
1376: return(cmdnum);
1377: }
1378:
1379: static int
1380: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1381: int err_abort)
1382: {
1383: char *path1, *path2, *tmp;
1.173 djm 1384: int ignore_errors = 0, aflag = 0, fflag = 0, hflag = 0,
1.159 logan 1385: iflag = 0;
1.156 djm 1386: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1387: int cmdnum, i;
1.107 dtucker 1388: unsigned long n_arg = 0;
1.44 djm 1389: Attrib a, *aa;
1.170 deraadt 1390: char path_buf[PATH_MAX];
1.44 djm 1391: int err = 0;
1392: glob_t g;
1393:
1394: path1 = path2 = NULL;
1.156 djm 1395: cmdnum = parse_args(&cmd, &ignore_errors, &aflag, &fflag, &hflag,
1396: &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg, &path1, &path2);
1397: if (ignore_errors != 0)
1.44 djm 1398: err_abort = 0;
1399:
1400: memset(&g, 0, sizeof(g));
1401:
1402: /* Perform command */
1403: switch (cmdnum) {
1404: case 0:
1405: /* Blank line */
1406: break;
1407: case -1:
1408: /* Unrecognized command */
1409: err = -1;
1410: break;
1.148 djm 1411: case I_REGET:
1412: aflag = 1;
1413: /* FALLTHROUGH */
1.44 djm 1414: case I_GET:
1.148 djm 1415: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1416: rflag, aflag, fflag);
1.44 djm 1417: break;
1.159 logan 1418: case I_REPUT:
1419: aflag = 1;
1420: /* FALLTHROUGH */
1.44 djm 1421: case I_PUT:
1.156 djm 1422: err = process_put(conn, path1, path2, *pwd, pflag,
1.159 logan 1423: rflag, aflag, fflag);
1.44 djm 1424: break;
1425: case I_RENAME:
1426: path1 = make_absolute(path1, *pwd);
1427: path2 = make_absolute(path2, *pwd);
1.152 djm 1428: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1429: break;
1430: case I_SYMLINK:
1.132 djm 1431: sflag = 1;
1432: case I_LINK:
1.151 djm 1433: if (!sflag)
1434: path1 = make_absolute(path1, *pwd);
1.44 djm 1435: path2 = make_absolute(path2, *pwd);
1.132 djm 1436: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1437: break;
1438: case I_RM:
1439: path1 = make_absolute(path1, *pwd);
1440: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1441: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1442: if (!quiet)
1.174 schwarze 1443: mprintf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1444: err = do_rm(conn, g.gl_pathv[i]);
1445: if (err != 0 && err_abort)
1446: break;
1447: }
1448: break;
1449: case I_MKDIR:
1450: path1 = make_absolute(path1, *pwd);
1451: attrib_clear(&a);
1452: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1453: a.perm = 0777;
1.111 djm 1454: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1455: break;
1456: case I_RMDIR:
1457: path1 = make_absolute(path1, *pwd);
1458: err = do_rmdir(conn, path1);
1459: break;
1460: case I_CHDIR:
1461: path1 = make_absolute(path1, *pwd);
1462: if ((tmp = do_realpath(conn, path1)) == NULL) {
1463: err = 1;
1464: break;
1465: }
1466: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1467: free(tmp);
1.44 djm 1468: err = 1;
1469: break;
1470: }
1471: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1472: error("Can't change directory: Can't check target");
1.145 djm 1473: free(tmp);
1.44 djm 1474: err = 1;
1475: break;
1476: }
1477: if (!S_ISDIR(aa->perm)) {
1478: error("Can't change directory: \"%s\" is not "
1479: "a directory", tmp);
1.145 djm 1480: free(tmp);
1.44 djm 1481: err = 1;
1482: break;
1483: }
1.145 djm 1484: free(*pwd);
1.44 djm 1485: *pwd = tmp;
1486: break;
1487: case I_LS:
1488: if (!path1) {
1.125 djm 1489: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1490: break;
1491: }
1492:
1493: /* Strip pwd off beginning of non-absolute paths */
1494: tmp = NULL;
1495: if (*path1 != '/')
1496: tmp = *pwd;
1497:
1498: path1 = make_absolute(path1, *pwd);
1499: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1500: break;
1501: case I_DF:
1502: /* Default to current directory if no path specified */
1503: if (path1 == NULL)
1504: path1 = xstrdup(*pwd);
1505: path1 = make_absolute(path1, *pwd);
1506: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1507: break;
1508: case I_LCHDIR:
1.166 deraadt 1509: tmp = tilde_expand_filename(path1, getuid());
1.165 djm 1510: free(path1);
1511: path1 = tmp;
1.44 djm 1512: if (chdir(path1) == -1) {
1513: error("Couldn't change local directory to "
1514: "\"%s\": %s", path1, strerror(errno));
1515: err = 1;
1516: }
1517: break;
1518: case I_LMKDIR:
1519: if (mkdir(path1, 0777) == -1) {
1520: error("Couldn't create local directory "
1521: "\"%s\": %s", path1, strerror(errno));
1522: err = 1;
1523: }
1524: break;
1525: case I_LLS:
1526: local_do_ls(cmd);
1527: break;
1528: case I_SHELL:
1529: local_do_shell(cmd);
1530: break;
1531: case I_LUMASK:
1532: umask(n_arg);
1533: printf("Local umask: %03lo\n", n_arg);
1534: break;
1535: case I_CHMOD:
1536: path1 = make_absolute(path1, *pwd);
1537: attrib_clear(&a);
1538: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1539: a.perm = n_arg;
1540: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1541: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1542: if (!quiet)
1.174 schwarze 1543: mprintf("Changing mode on %s\n",
1544: g.gl_pathv[i]);
1.44 djm 1545: err = do_setstat(conn, g.gl_pathv[i], &a);
1546: if (err != 0 && err_abort)
1547: break;
1548: }
1549: break;
1550: case I_CHOWN:
1551: case I_CHGRP:
1552: path1 = make_absolute(path1, *pwd);
1553: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1554: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1555: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1556: if (err_abort) {
1557: err = -1;
1.44 djm 1558: break;
1.104 djm 1559: } else
1.44 djm 1560: continue;
1561: }
1562: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1563: error("Can't get current ownership of "
1564: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1565: if (err_abort) {
1566: err = -1;
1.44 djm 1567: break;
1.104 djm 1568: } else
1.44 djm 1569: continue;
1570: }
1571: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1572: if (cmdnum == I_CHOWN) {
1.143 djm 1573: if (!quiet)
1.174 schwarze 1574: mprintf("Changing owner on %s\n",
1.143 djm 1575: g.gl_pathv[i]);
1.44 djm 1576: aa->uid = n_arg;
1577: } else {
1.143 djm 1578: if (!quiet)
1.174 schwarze 1579: mprintf("Changing group on %s\n",
1.143 djm 1580: g.gl_pathv[i]);
1.44 djm 1581: aa->gid = n_arg;
1582: }
1583: err = do_setstat(conn, g.gl_pathv[i], aa);
1584: if (err != 0 && err_abort)
1585: break;
1586: }
1587: break;
1588: case I_PWD:
1.174 schwarze 1589: mprintf("Remote working directory: %s\n", *pwd);
1.44 djm 1590: break;
1591: case I_LPWD:
1592: if (!getcwd(path_buf, sizeof(path_buf))) {
1593: error("Couldn't get local cwd: %s", strerror(errno));
1594: err = -1;
1595: break;
1596: }
1.174 schwarze 1597: mprintf("Local working directory: %s\n", path_buf);
1.44 djm 1598: break;
1599: case I_QUIT:
1600: /* Processed below */
1601: break;
1602: case I_HELP:
1603: help();
1604: break;
1605: case I_VERSION:
1606: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1607: break;
1608: case I_PROGRESS:
1609: showprogress = !showprogress;
1610: if (showprogress)
1611: printf("Progress meter enabled\n");
1612: else
1613: printf("Progress meter disabled\n");
1614: break;
1615: default:
1616: fatal("%d is not implemented", cmdnum);
1617: }
1618:
1619: if (g.gl_pathc)
1620: globfree(&g);
1.145 djm 1621: free(path1);
1622: free(path2);
1.44 djm 1623:
1624: /* If an unignored error occurs in batch mode we should abort. */
1625: if (err_abort && err != 0)
1626: return (-1);
1627: else if (cmdnum == I_QUIT)
1628: return (1);
1629:
1630: return (0);
1631: }
1632:
1.57 djm 1633: static char *
1634: prompt(EditLine *el)
1635: {
1636: return ("sftp> ");
1637: }
1638:
1.116 djm 1639: /* Display entries in 'list' after skipping the first 'len' chars */
1640: static void
1641: complete_display(char **list, u_int len)
1642: {
1643: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1644: struct winsize ws;
1645: char *tmp;
1646:
1647: /* Count entries for sort and find longest */
1.149 djm 1648: for (y = 0; list[y]; y++)
1.116 djm 1649: m = MAX(m, strlen(list[y]));
1650:
1651: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1652: width = ws.ws_col;
1653:
1654: m = m > len ? m - len : 0;
1655: columns = width / (m + 2);
1656: columns = MAX(columns, 1);
1657: colspace = width / columns;
1658: colspace = MIN(colspace, width);
1659:
1660: printf("\n");
1661: m = 1;
1662: for (y = 0; list[y]; y++) {
1663: llen = strlen(list[y]);
1664: tmp = llen > len ? list[y] + len : "";
1.174 schwarze 1665: mprintf("%-*s", colspace, tmp);
1.116 djm 1666: if (m >= columns) {
1667: printf("\n");
1668: m = 1;
1669: } else
1670: m++;
1671: }
1672: printf("\n");
1673: }
1674:
1675: /*
1676: * Given a "list" of words that begin with a common prefix of "word",
1677: * attempt to find an autocompletion to extends "word" by the next
1678: * characters common to all entries in "list".
1679: */
1680: static char *
1681: complete_ambiguous(const char *word, char **list, size_t count)
1682: {
1683: if (word == NULL)
1684: return NULL;
1685:
1686: if (count > 0) {
1687: u_int y, matchlen = strlen(list[0]);
1688:
1689: /* Find length of common stem */
1690: for (y = 1; list[y]; y++) {
1691: u_int x;
1692:
1.149 djm 1693: for (x = 0; x < matchlen; x++)
1694: if (list[0][x] != list[y][x])
1.116 djm 1695: break;
1696:
1697: matchlen = x;
1698: }
1699:
1700: if (matchlen > strlen(word)) {
1701: char *tmp = xstrdup(list[0]);
1702:
1.117 dtucker 1703: tmp[matchlen] = '\0';
1.116 djm 1704: return tmp;
1705: }
1.149 djm 1706: }
1.116 djm 1707:
1708: return xstrdup(word);
1709: }
1710:
1711: /* Autocomplete a sftp command */
1712: static int
1713: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1714: int terminated)
1715: {
1716: u_int y, count = 0, cmdlen, tmplen;
1717: char *tmp, **list, argterm[3];
1718: const LineInfo *lf;
1719:
1720: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1721:
1722: /* No command specified: display all available commands */
1723: if (cmd == NULL) {
1724: for (y = 0; cmds[y].c; y++)
1725: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1726:
1.116 djm 1727: list[count] = NULL;
1728: complete_display(list, 0);
1729:
1.149 djm 1730: for (y = 0; list[y] != NULL; y++)
1731: free(list[y]);
1.145 djm 1732: free(list);
1.116 djm 1733: return count;
1734: }
1735:
1736: /* Prepare subset of commands that start with "cmd" */
1737: cmdlen = strlen(cmd);
1738: for (y = 0; cmds[y].c; y++) {
1.149 djm 1739: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1740: list[count++] = xstrdup(cmds[y].c);
1741: }
1742: list[count] = NULL;
1743:
1.134 oga 1744: if (count == 0) {
1.145 djm 1745: free(list);
1.116 djm 1746: return 0;
1.134 oga 1747: }
1.116 djm 1748:
1749: /* Complete ambigious command */
1750: tmp = complete_ambiguous(cmd, list, count);
1751: if (count > 1)
1752: complete_display(list, 0);
1753:
1.149 djm 1754: for (y = 0; list[y]; y++)
1755: free(list[y]);
1.145 djm 1756: free(list);
1.116 djm 1757:
1758: if (tmp != NULL) {
1759: tmplen = strlen(tmp);
1760: cmdlen = strlen(cmd);
1761: /* If cmd may be extended then do so */
1762: if (tmplen > cmdlen)
1763: if (el_insertstr(el, tmp + cmdlen) == -1)
1764: fatal("el_insertstr failed.");
1765: lf = el_line(el);
1766: /* Terminate argument cleanly */
1767: if (count == 1) {
1768: y = 0;
1769: if (!terminated)
1770: argterm[y++] = quote;
1771: if (lastarg || *(lf->cursor) != ' ')
1772: argterm[y++] = ' ';
1773: argterm[y] = '\0';
1774: if (y > 0 && el_insertstr(el, argterm) == -1)
1775: fatal("el_insertstr failed.");
1776: }
1.145 djm 1777: free(tmp);
1.116 djm 1778: }
1779:
1780: return count;
1781: }
1782:
1783: /*
1784: * Determine whether a particular sftp command's arguments (if any)
1785: * represent local or remote files.
1786: */
1787: static int
1788: complete_is_remote(char *cmd) {
1789: int i;
1790:
1791: if (cmd == NULL)
1792: return -1;
1793:
1794: for (i = 0; cmds[i].c; i++) {
1.149 djm 1795: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1.116 djm 1796: return cmds[i].t;
1797: }
1798:
1799: return -1;
1800: }
1801:
1802: /* Autocomplete a filename "file" */
1803: static int
1804: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1805: char *file, int remote, int lastarg, char quote, int terminated)
1806: {
1807: glob_t g;
1.146 dtucker 1808: char *tmp, *tmp2, ins[8];
1.140 dtucker 1809: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1810: int clen;
1.116 djm 1811: const LineInfo *lf;
1.149 djm 1812:
1.116 djm 1813: /* Glob from "file" location */
1814: if (file == NULL)
1815: tmp = xstrdup("*");
1816: else
1817: xasprintf(&tmp, "%s*", file);
1818:
1.139 dtucker 1819: /* Check if the path is absolute. */
1820: isabs = tmp[0] == '/';
1821:
1.116 djm 1822: memset(&g, 0, sizeof(g));
1823: if (remote != LOCAL) {
1824: tmp = make_absolute(tmp, remote_path);
1825: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1826: } else
1.116 djm 1827: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1828:
1.116 djm 1829: /* Determine length of pwd so we can trim completion display */
1830: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1831: /* Terminate counting on first unescaped glob metacharacter */
1832: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1833: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1834: hadglob = 1;
1835: break;
1836: }
1837: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1838: tmplen++;
1839: if (tmp[tmplen] == '/')
1840: pwdlen = tmplen + 1; /* track last seen '/' */
1841: }
1.145 djm 1842: free(tmp);
1.161 dtucker 1843: tmp = NULL;
1.116 djm 1844:
1.149 djm 1845: if (g.gl_matchc == 0)
1.116 djm 1846: goto out;
1847:
1848: if (g.gl_matchc > 1)
1849: complete_display(g.gl_pathv, pwdlen);
1850:
1851: /* Don't try to extend globs */
1852: if (file == NULL || hadglob)
1853: goto out;
1854:
1855: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1856: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1857: free(tmp2);
1.116 djm 1858:
1859: if (tmp == NULL)
1860: goto out;
1861:
1862: tmplen = strlen(tmp);
1863: filelen = strlen(file);
1864:
1.140 dtucker 1865: /* Count the number of escaped characters in the input string. */
1866: cesc = isesc = 0;
1867: for (i = 0; i < filelen; i++) {
1868: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1869: isesc = 1;
1870: cesc++;
1871: } else
1872: isesc = 0;
1873: }
1874:
1875: if (tmplen > (filelen - cesc)) {
1876: tmp2 = tmp + filelen - cesc;
1.149 djm 1877: len = strlen(tmp2);
1.116 djm 1878: /* quote argument on way out */
1.146 dtucker 1879: for (i = 0; i < len; i += clen) {
1880: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
1881: (size_t)clen > sizeof(ins) - 2)
1882: fatal("invalid multibyte character");
1.116 djm 1883: ins[0] = '\\';
1.146 dtucker 1884: memcpy(ins + 1, tmp2 + i, clen);
1885: ins[clen + 1] = '\0';
1.116 djm 1886: switch (tmp2[i]) {
1887: case '\'':
1888: case '"':
1889: case '\\':
1890: case '\t':
1.131 sthen 1891: case '[':
1.116 djm 1892: case ' ':
1.140 dtucker 1893: case '#':
1894: case '*':
1.116 djm 1895: if (quote == '\0' || tmp2[i] == quote) {
1896: if (el_insertstr(el, ins) == -1)
1897: fatal("el_insertstr "
1898: "failed.");
1899: break;
1900: }
1901: /* FALLTHROUGH */
1902: default:
1903: if (el_insertstr(el, ins + 1) == -1)
1904: fatal("el_insertstr failed.");
1905: break;
1906: }
1907: }
1908: }
1909:
1910: lf = el_line(el);
1911: if (g.gl_matchc == 1) {
1912: i = 0;
1.162 dtucker 1913: if (!terminated && quote != '\0')
1.116 djm 1914: ins[i++] = quote;
1.120 djm 1915: if (*(lf->cursor - 1) != '/' &&
1916: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1917: ins[i++] = ' ';
1918: ins[i] = '\0';
1919: if (i > 0 && el_insertstr(el, ins) == -1)
1920: fatal("el_insertstr failed.");
1921: }
1.145 djm 1922: free(tmp);
1.116 djm 1923:
1924: out:
1925: globfree(&g);
1926: return g.gl_matchc;
1927: }
1928:
1929: /* tab-completion hook function, called via libedit */
1930: static unsigned char
1931: complete(EditLine *el, int ch)
1932: {
1.149 djm 1933: char **argv, *line, quote;
1.147 djm 1934: int argc, carg;
1935: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 1936: const LineInfo *lf;
1937: struct complete_ctx *complete_ctx;
1938:
1939: lf = el_line(el);
1940: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1941: fatal("%s: el_get failed", __func__);
1942:
1943: /* Figure out which argument the cursor points to */
1944: cursor = lf->cursor - lf->buffer;
1.171 deraadt 1945: line = xmalloc(cursor + 1);
1.116 djm 1946: memcpy(line, lf->buffer, cursor);
1947: line[cursor] = '\0';
1948: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 1949: free(line);
1.116 djm 1950:
1951: /* Get all the arguments on the line */
1952: len = lf->lastchar - lf->buffer;
1.171 deraadt 1953: line = xmalloc(len + 1);
1.116 djm 1954: memcpy(line, lf->buffer, len);
1955: line[len] = '\0';
1956: argv = makeargv(line, &argc, 1, NULL, NULL);
1957:
1958: /* Ensure cursor is at EOL or a argument boundary */
1959: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1960: line[cursor] != '\n') {
1.145 djm 1961: free(line);
1.116 djm 1962: return ret;
1963: }
1964:
1965: if (carg == 0) {
1966: /* Show all available commands */
1967: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1968: ret = CC_REDISPLAY;
1969: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1970: /* Handle the command parsing */
1971: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 1972: quote, terminated) != 0)
1.116 djm 1973: ret = CC_REDISPLAY;
1974: } else if (carg >= 1) {
1975: /* Handle file parsing */
1976: int remote = complete_is_remote(argv[0]);
1977: char *filematch = NULL;
1978:
1979: if (carg > 1 && line[cursor-1] != ' ')
1980: filematch = argv[carg - 1];
1981:
1982: if (remote != 0 &&
1983: complete_match(el, complete_ctx->conn,
1984: *complete_ctx->remote_pathp, filematch,
1.149 djm 1985: remote, carg == argc, quote, terminated) != 0)
1.116 djm 1986: ret = CC_REDISPLAY;
1987: }
1988:
1.149 djm 1989: free(line);
1.116 djm 1990: return ret;
1991: }
1992:
1.44 djm 1993: int
1.112 djm 1994: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1995: {
1.116 djm 1996: char *remote_path;
1.44 djm 1997: char *dir = NULL;
1998: char cmd[2048];
1.66 jaredy 1999: int err, interactive;
1.57 djm 2000: EditLine *el = NULL;
2001: History *hl = NULL;
2002: HistEvent hev;
2003: extern char *__progname;
1.116 djm 2004: struct complete_ctx complete_ctx;
1.57 djm 2005:
2006: if (!batchmode && isatty(STDIN_FILENO)) {
2007: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
2008: fatal("Couldn't initialise editline");
2009: if ((hl = history_init()) == NULL)
2010: fatal("Couldn't initialise editline history");
2011: history(hl, &hev, H_SETSIZE, 100);
2012: el_set(el, EL_HIST, history, hl);
2013:
2014: el_set(el, EL_PROMPT, prompt);
2015: el_set(el, EL_EDITOR, "emacs");
2016: el_set(el, EL_TERMINAL, NULL);
2017: el_set(el, EL_SIGNAL, 1);
2018: el_source(el, NULL);
1.116 djm 2019:
2020: /* Tab Completion */
1.149 djm 2021: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 2022: "Context sensitive argument completion", complete);
1.116 djm 2023: complete_ctx.conn = conn;
2024: complete_ctx.remote_pathp = &remote_path;
2025: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
2026: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 2027: /* enable ctrl-left-arrow and ctrl-right-arrow */
2028: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
2029: el_set(el, EL_BIND, "\\e[5C", "em-next-word", NULL);
2030: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2031: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2032: /* make ^w match ksh behaviour */
2033: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2034: }
1.44 djm 2035:
1.116 djm 2036: remote_path = do_realpath(conn, ".");
2037: if (remote_path == NULL)
1.44 djm 2038: fatal("Need cwd");
2039:
2040: if (file1 != NULL) {
2041: dir = xstrdup(file1);
1.116 djm 2042: dir = make_absolute(dir, remote_path);
1.44 djm 2043:
2044: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2045: if (!quiet)
1.174 schwarze 2046: mprintf("Changing to: %s\n", dir);
1.44 djm 2047: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2048: if (parse_dispatch_command(conn, cmd,
2049: &remote_path, 1) != 0) {
1.145 djm 2050: free(dir);
2051: free(remote_path);
2052: free(conn);
1.44 djm 2053: return (-1);
1.58 markus 2054: }
1.44 djm 2055: } else {
1.137 djm 2056: /* XXX this is wrong wrt quoting */
1.148 djm 2057: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2058: global_aflag ? " -a" : "", dir,
2059: file2 == NULL ? "" : " ",
2060: file2 == NULL ? "" : file2);
1.116 djm 2061: err = parse_dispatch_command(conn, cmd,
2062: &remote_path, 1);
1.145 djm 2063: free(dir);
2064: free(remote_path);
2065: free(conn);
1.44 djm 2066: return (err);
2067: }
1.145 djm 2068: free(dir);
1.44 djm 2069: }
2070:
1.168 millert 2071: setvbuf(stdout, NULL, _IOLBF, 0);
2072: setvbuf(infile, NULL, _IOLBF, 0);
1.44 djm 2073:
1.66 jaredy 2074: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2075: err = 0;
2076: for (;;) {
2077: char *cp;
1.57 djm 2078: const char *line;
2079: int count = 0;
1.44 djm 2080:
1.46 djm 2081: signal(SIGINT, SIG_IGN);
2082:
1.57 djm 2083: if (el == NULL) {
1.66 jaredy 2084: if (interactive)
2085: printf("sftp> ");
1.57 djm 2086: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2087: if (interactive)
2088: printf("\n");
1.57 djm 2089: break;
2090: }
1.66 jaredy 2091: if (!interactive) { /* Echo command */
1.174 schwarze 2092: mprintf("sftp> %s", cmd);
1.66 jaredy 2093: if (strlen(cmd) > 0 &&
2094: cmd[strlen(cmd) - 1] != '\n')
2095: printf("\n");
2096: }
1.57 djm 2097: } else {
1.116 djm 2098: if ((line = el_gets(el, &count)) == NULL ||
2099: count <= 0) {
1.66 jaredy 2100: printf("\n");
1.57 djm 2101: break;
1.66 jaredy 2102: }
1.57 djm 2103: history(hl, &hev, H_ENTER, line);
2104: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2105: fprintf(stderr, "Error: input line too long\n");
2106: continue;
2107: }
1.44 djm 2108: }
2109:
2110: cp = strrchr(cmd, '\n');
2111: if (cp)
2112: *cp = '\0';
2113:
1.46 djm 2114: /* Handle user interrupts gracefully during commands */
2115: interrupted = 0;
2116: signal(SIGINT, cmd_interrupt);
2117:
1.116 djm 2118: err = parse_dispatch_command(conn, cmd, &remote_path,
2119: batchmode);
1.44 djm 2120: if (err != 0)
2121: break;
2122: }
1.145 djm 2123: free(remote_path);
2124: free(conn);
1.66 jaredy 2125:
2126: if (el != NULL)
2127: el_end(el);
1.44 djm 2128:
2129: /* err == 1 signifies normal "quit" exit */
2130: return (err >= 0 ? 0 : -1);
2131: }
1.34 fgsch 2132:
1.18 itojun 2133: static void
1.36 djm 2134: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2135: {
2136: int c_in, c_out;
1.30 deraadt 2137:
1.1 djm 2138: int inout[2];
1.30 deraadt 2139:
1.1 djm 2140: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2141: fatal("socketpair: %s", strerror(errno));
2142: *in = *out = inout[0];
2143: c_in = c_out = inout[1];
2144:
1.36 djm 2145: if ((sshpid = fork()) == -1)
1.1 djm 2146: fatal("fork: %s", strerror(errno));
1.36 djm 2147: else if (sshpid == 0) {
1.1 djm 2148: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2149: (dup2(c_out, STDOUT_FILENO) == -1)) {
2150: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2151: _exit(1);
1.1 djm 2152: }
2153: close(*in);
2154: close(*out);
2155: close(c_in);
2156: close(c_out);
1.46 djm 2157:
2158: /*
2159: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2160: * ignore SIGINT if we want to gracefully abort commands,
2161: * otherwise the signal will make it to the ssh process and
1.122 guenther 2162: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2163: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2164: */
2165: signal(SIGINT, SIG_IGN);
1.122 guenther 2166: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2167: execvp(path, args);
1.23 djm 2168: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2169: _exit(1);
1.1 djm 2170: }
2171:
1.36 djm 2172: signal(SIGTERM, killchild);
2173: signal(SIGINT, killchild);
2174: signal(SIGHUP, killchild);
1.1 djm 2175: close(c_in);
2176: close(c_out);
2177: }
2178:
1.18 itojun 2179: static void
1.1 djm 2180: usage(void)
2181: {
1.25 mpech 2182: extern char *__progname;
1.27 markus 2183:
1.19 stevesk 2184: fprintf(stderr,
1.157 jmc 2185: "usage: %s [-1246aCfpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2186: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2187: "[-i identity_file] [-l limit]\n"
1.110 jmc 2188: " [-o ssh_option] [-P port] [-R num_requests] "
2189: "[-S program]\n"
1.108 djm 2190: " [-s subsystem | sftp_server] host\n"
1.105 djm 2191: " %s [user@]host[:file ...]\n"
2192: " %s [user@]host[:dir[/]]\n"
1.108 djm 2193: " %s -b batchfile [user@]host\n",
2194: __progname, __progname, __progname, __progname);
1.1 djm 2195: exit(1);
2196: }
2197:
1.2 stevesk 2198: int
1.1 djm 2199: main(int argc, char **argv)
2200: {
1.33 djm 2201: int in, out, ch, err;
1.117 dtucker 2202: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2203: int debug_level = 0, sshver = 2;
2204: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2205: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2206: const char *errstr;
1.17 mouring 2207: LogLevel ll = SYSLOG_LEVEL_INFO;
2208: arglist args;
1.3 djm 2209: extern int optind;
2210: extern char *optarg;
1.112 djm 2211: struct sftp_conn *conn;
2212: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2213: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2214: long long limit_kbps = 0;
1.67 djm 2215:
1.172 dtucker 2216: ssh_malloc_init(); /* must be called before any mallocs */
1.67 djm 2217: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2218: sanitise_stdfd();
1.146 dtucker 2219: setlocale(LC_CTYPE, "");
1.1 djm 2220:
1.70 djm 2221: memset(&args, '\0', sizeof(args));
1.17 mouring 2222: args.list = NULL;
1.80 djm 2223: addargs(&args, "%s", ssh_program);
1.17 mouring 2224: addargs(&args, "-oForwardX11 no");
2225: addargs(&args, "-oForwardAgent no");
1.69 reyk 2226: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2227: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2228:
1.17 mouring 2229: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2230: infile = stdin;
1.3 djm 2231:
1.109 djm 2232: while ((ch = getopt(argc, argv,
1.156 djm 2233: "1246afhpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2234: switch (ch) {
1.108 djm 2235: /* Passed through to ssh(1) */
2236: case '4':
2237: case '6':
1.3 djm 2238: case 'C':
1.108 djm 2239: addargs(&args, "-%c", ch);
2240: break;
2241: /* Passed through to ssh(1) with argument */
2242: case 'F':
2243: case 'c':
2244: case 'i':
2245: case 'o':
1.113 halex 2246: addargs(&args, "-%c", ch);
2247: addargs(&args, "%s", optarg);
1.108 djm 2248: break;
2249: case 'q':
1.143 djm 2250: ll = SYSLOG_LEVEL_ERROR;
2251: quiet = 1;
1.108 djm 2252: showprogress = 0;
2253: addargs(&args, "-%c", ch);
1.3 djm 2254: break;
1.109 djm 2255: case 'P':
2256: addargs(&args, "-oPort %s", optarg);
2257: break;
1.3 djm 2258: case 'v':
1.17 mouring 2259: if (debug_level < 3) {
2260: addargs(&args, "-v");
2261: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2262: }
2263: debug_level++;
1.3 djm 2264: break;
1.7 markus 2265: case '1':
1.17 mouring 2266: sshver = 1;
1.7 markus 2267: if (sftp_server == NULL)
2268: sftp_server = _PATH_SFTP_SERVER;
2269: break;
1.108 djm 2270: case '2':
2271: sshver = 2;
1.148 djm 2272: break;
2273: case 'a':
2274: global_aflag = 1;
1.7 markus 2275: break;
1.108 djm 2276: case 'B':
2277: copy_buffer_len = strtol(optarg, &cp, 10);
2278: if (copy_buffer_len == 0 || *cp != '\0')
2279: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2280: break;
1.10 deraadt 2281: case 'b':
1.39 djm 2282: if (batchmode)
2283: fatal("Batch file already specified.");
2284:
2285: /* Allow "-" as stdin */
1.56 deraadt 2286: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2287: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2288: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2289: showprogress = 0;
1.143 djm 2290: quiet = batchmode = 1;
1.62 djm 2291: addargs(&args, "-obatchmode yes");
1.156 djm 2292: break;
2293: case 'f':
2294: global_fflag = 1;
1.10 deraadt 2295: break;
1.111 djm 2296: case 'p':
2297: global_pflag = 1;
2298: break;
1.109 djm 2299: case 'D':
1.23 djm 2300: sftp_direct = optarg;
1.111 djm 2301: break;
1.126 djm 2302: case 'l':
2303: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2304: &errstr);
2305: if (errstr != NULL)
2306: usage();
2307: limit_kbps *= 1024; /* kbps */
2308: break;
1.111 djm 2309: case 'r':
2310: global_rflag = 1;
1.24 djm 2311: break;
1.26 djm 2312: case 'R':
2313: num_requests = strtol(optarg, &cp, 10);
2314: if (num_requests == 0 || *cp != '\0')
1.27 markus 2315: fatal("Invalid number of requests \"%s\"",
1.26 djm 2316: optarg);
1.108 djm 2317: break;
2318: case 's':
2319: sftp_server = optarg;
2320: break;
2321: case 'S':
2322: ssh_program = optarg;
2323: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2324: break;
1.3 djm 2325: case 'h':
2326: default:
1.1 djm 2327: usage();
2328: }
2329: }
1.45 djm 2330:
2331: if (!isatty(STDERR_FILENO))
2332: showprogress = 0;
1.1 djm 2333:
1.29 markus 2334: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2335:
1.23 djm 2336: if (sftp_direct == NULL) {
2337: if (optind == argc || argc > (optind + 2))
2338: usage();
2339:
2340: userhost = xstrdup(argv[optind]);
2341: file2 = argv[optind+1];
1.1 djm 2342:
1.32 markus 2343: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2344: host = userhost;
2345: else {
2346: *host++ = '\0';
2347: if (!userhost[0]) {
2348: fprintf(stderr, "Missing username\n");
2349: usage();
2350: }
1.115 guenther 2351: addargs(&args, "-l");
2352: addargs(&args, "%s", userhost);
1.41 djm 2353: }
2354:
2355: if ((cp = colon(host)) != NULL) {
2356: *cp++ = '\0';
2357: file1 = cp;
1.23 djm 2358: }
1.3 djm 2359:
1.23 djm 2360: host = cleanhostname(host);
2361: if (!*host) {
2362: fprintf(stderr, "Missing hostname\n");
1.1 djm 2363: usage();
2364: }
2365:
1.23 djm 2366: addargs(&args, "-oProtocol %d", sshver);
2367:
2368: /* no subsystem if the server-spec contains a '/' */
2369: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2370: addargs(&args, "-s");
2371:
1.115 guenther 2372: addargs(&args, "--");
1.23 djm 2373: addargs(&args, "%s", host);
1.27 markus 2374: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2375: sftp_server : "sftp"));
2376:
1.36 djm 2377: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2378: } else {
2379: args.list = NULL;
2380: addargs(&args, "sftp-server");
2381:
1.36 djm 2382: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2383: }
1.70 djm 2384: freeargs(&args);
1.1 djm 2385:
1.126 djm 2386: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2387: if (conn == NULL)
2388: fatal("Couldn't initialise connection to server");
2389:
1.143 djm 2390: if (!quiet) {
1.112 djm 2391: if (sftp_direct == NULL)
2392: fprintf(stderr, "Connected to %s.\n", host);
2393: else
2394: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2395: }
2396:
2397: err = interactive_loop(conn, file1, file2);
1.1 djm 2398:
2399: close(in);
2400: close(out);
1.39 djm 2401: if (batchmode)
1.10 deraadt 2402: fclose(infile);
1.1 djm 2403:
1.28 markus 2404: while (waitpid(sshpid, NULL, 0) == -1)
2405: if (errno != EINTR)
2406: fatal("Couldn't wait for ssh process: %s",
2407: strerror(errno));
1.1 djm 2408:
1.33 djm 2409: exit(err == 0 ? 0 : 1);
1.1 djm 2410: }
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