Annotation of src/usr.bin/ssh/sftp.c, Revision 1.154
1.154 ! djm 1: /* $OpenBSD: sftp.c,v 1.153 2013/08/09 03:37:25 djm Exp $ */
1.1 djm 2: /*
1.42 djm 3: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 4: *
1.42 djm 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 djm 8: *
1.42 djm 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 16: */
17:
1.91 deraadt 18: #include <sys/types.h>
1.72 stevesk 19: #include <sys/ioctl.h>
1.73 stevesk 20: #include <sys/wait.h>
1.75 stevesk 21: #include <sys/stat.h>
1.83 stevesk 22: #include <sys/socket.h>
1.88 stevesk 23: #include <sys/param.h>
1.100 djm 24: #include <sys/statvfs.h>
1.44 djm 25:
1.97 djm 26: #include <ctype.h>
1.85 stevesk 27: #include <errno.h>
1.44 djm 28: #include <glob.h>
1.57 djm 29: #include <histedit.h>
1.71 stevesk 30: #include <paths.h>
1.111 djm 31: #include <libgen.h>
1.146 dtucker 32: #include <locale.h>
1.74 stevesk 33: #include <signal.h>
1.89 stevesk 34: #include <stdlib.h>
1.90 stevesk 35: #include <stdio.h>
1.87 stevesk 36: #include <string.h>
1.86 stevesk 37: #include <unistd.h>
1.100 djm 38: #include <util.h>
1.91 deraadt 39: #include <stdarg.h>
1.1 djm 40:
41: #include "xmalloc.h"
42: #include "log.h"
43: #include "pathnames.h"
1.16 mouring 44: #include "misc.h"
1.1 djm 45:
46: #include "sftp.h"
1.91 deraadt 47: #include "buffer.h"
1.1 djm 48: #include "sftp-common.h"
49: #include "sftp-client.h"
1.43 djm 50:
1.112 djm 51: #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
52: #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
53:
1.44 djm 54: /* File to read commands from */
55: FILE* infile;
1.15 mouring 56:
1.44 djm 57: /* Are we in batchfile mode? */
1.39 djm 58: int batchmode = 0;
1.44 djm 59:
60: /* PID of ssh transport process */
1.36 djm 61: static pid_t sshpid = -1;
1.7 markus 62:
1.143 djm 63: /* Suppress diagnositic messages */
64: int quiet = 0;
65:
1.44 djm 66: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 67: int showprogress = 1;
1.44 djm 68:
1.111 djm 69: /* When this option is set, we always recursively download/upload directories */
70: int global_rflag = 0;
71:
1.148 djm 72: /* When this option is set, we resume download if possible */
73: int global_aflag = 0;
74:
1.111 djm 75: /* When this option is set, the file transfers will always preserve times */
76: int global_pflag = 0;
77:
1.46 djm 78: /* SIGINT received during command processing */
79: volatile sig_atomic_t interrupted = 0;
80:
1.52 djm 81: /* I wish qsort() took a separate ctx for the comparison function...*/
82: int sort_flag;
83:
1.116 djm 84: /* Context used for commandline completion */
85: struct complete_ctx {
86: struct sftp_conn *conn;
87: char **remote_pathp;
88: };
89:
1.44 djm 90: int remote_glob(struct sftp_conn *, const char *, int,
91: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
92:
93: /* Separators for interactive commands */
94: #define WHITESPACE " \t\r\n"
95:
1.52 djm 96: /* ls flags */
1.119 djm 97: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
98: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
99: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
100: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
101: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
102: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
103: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
104: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
105: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 106:
1.119 djm 107: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 108: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 109:
110: /* Commands for interactive mode */
1.149 djm 111: enum sftp_command {
112: I_CHDIR = 1,
113: I_CHGRP,
114: I_CHMOD,
115: I_CHOWN,
116: I_DF,
117: I_GET,
118: I_HELP,
119: I_LCHDIR,
120: I_LINK,
121: I_LLS,
122: I_LMKDIR,
123: I_LPWD,
124: I_LS,
125: I_LUMASK,
126: I_MKDIR,
127: I_PUT,
128: I_PWD,
129: I_QUIT,
130: I_RENAME,
131: I_RM,
132: I_RMDIR,
133: I_SHELL,
134: I_SYMLINK,
135: I_VERSION,
136: I_PROGRESS,
137: I_REGET,
138: };
1.44 djm 139:
140: struct CMD {
141: const char *c;
142: const int n;
1.116 djm 143: const int t;
1.44 djm 144: };
145:
1.116 djm 146: /* Type of completion */
147: #define NOARGS 0
148: #define REMOTE 1
149: #define LOCAL 2
150:
1.44 djm 151: static const struct CMD cmds[] = {
1.116 djm 152: { "bye", I_QUIT, NOARGS },
153: { "cd", I_CHDIR, REMOTE },
154: { "chdir", I_CHDIR, REMOTE },
155: { "chgrp", I_CHGRP, REMOTE },
156: { "chmod", I_CHMOD, REMOTE },
157: { "chown", I_CHOWN, REMOTE },
158: { "df", I_DF, REMOTE },
159: { "dir", I_LS, REMOTE },
160: { "exit", I_QUIT, NOARGS },
161: { "get", I_GET, REMOTE },
162: { "help", I_HELP, NOARGS },
163: { "lcd", I_LCHDIR, LOCAL },
164: { "lchdir", I_LCHDIR, LOCAL },
165: { "lls", I_LLS, LOCAL },
166: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 167: { "ln", I_LINK, REMOTE },
1.116 djm 168: { "lpwd", I_LPWD, LOCAL },
169: { "ls", I_LS, REMOTE },
170: { "lumask", I_LUMASK, NOARGS },
171: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 172: { "mget", I_GET, REMOTE },
173: { "mput", I_PUT, LOCAL },
1.116 djm 174: { "progress", I_PROGRESS, NOARGS },
175: { "put", I_PUT, LOCAL },
176: { "pwd", I_PWD, REMOTE },
177: { "quit", I_QUIT, NOARGS },
1.148 djm 178: { "reget", I_REGET, REMOTE },
1.116 djm 179: { "rename", I_RENAME, REMOTE },
180: { "rm", I_RM, REMOTE },
181: { "rmdir", I_RMDIR, REMOTE },
182: { "symlink", I_SYMLINK, REMOTE },
183: { "version", I_VERSION, NOARGS },
184: { "!", I_SHELL, NOARGS },
185: { "?", I_HELP, NOARGS },
186: { NULL, -1, -1 }
1.44 djm 187: };
188:
1.112 djm 189: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 190:
1.96 stevesk 191: /* ARGSUSED */
1.44 djm 192: static void
1.46 djm 193: killchild(int signo)
194: {
1.61 dtucker 195: if (sshpid > 1) {
1.46 djm 196: kill(sshpid, SIGTERM);
1.61 dtucker 197: waitpid(sshpid, NULL, 0);
198: }
1.46 djm 199:
200: _exit(1);
201: }
202:
1.96 stevesk 203: /* ARGSUSED */
1.46 djm 204: static void
205: cmd_interrupt(int signo)
206: {
207: const char msg[] = "\rInterrupt \n";
1.59 djm 208: int olderrno = errno;
1.46 djm 209:
1.144 dtucker 210: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 211: interrupted = 1;
1.59 djm 212: errno = olderrno;
1.46 djm 213: }
214:
215: static void
1.44 djm 216: help(void)
217: {
1.106 sobrado 218: printf("Available commands:\n"
219: "bye Quit sftp\n"
220: "cd path Change remote directory to 'path'\n"
221: "chgrp grp path Change group of file 'path' to 'grp'\n"
222: "chmod mode path Change permissions of file 'path' to 'mode'\n"
223: "chown own path Change owner of file 'path' to 'own'\n"
224: "df [-hi] [path] Display statistics for current directory or\n"
225: " filesystem containing 'path'\n"
226: "exit Quit sftp\n"
1.121 jmc 227: "get [-Ppr] remote [local] Download file\n"
1.148 djm 228: "reget remote [local] Resume download file\n"
1.106 sobrado 229: "help Display this help text\n"
230: "lcd path Change local directory to 'path'\n"
231: "lls [ls-options [path]] Display local directory listing\n"
232: "lmkdir path Create local directory\n"
1.132 djm 233: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 234: "lpwd Print local working directory\n"
1.121 jmc 235: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 236: "lumask umask Set local umask to 'umask'\n"
237: "mkdir path Create remote directory\n"
238: "progress Toggle display of progress meter\n"
1.121 jmc 239: "put [-Ppr] local [remote] Upload file\n"
1.106 sobrado 240: "pwd Display remote working directory\n"
241: "quit Quit sftp\n"
242: "rename oldpath newpath Rename remote file\n"
243: "rm path Delete remote file\n"
244: "rmdir path Remove remote directory\n"
245: "symlink oldpath newpath Symlink remote file\n"
246: "version Show SFTP version\n"
247: "!command Execute 'command' in local shell\n"
248: "! Escape to local shell\n"
249: "? Synonym for help\n");
1.44 djm 250: }
251:
252: static void
253: local_do_shell(const char *args)
254: {
255: int status;
256: char *shell;
257: pid_t pid;
258:
259: if (!*args)
260: args = NULL;
261:
1.130 djm 262: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 263: shell = _PATH_BSHELL;
264:
265: if ((pid = fork()) == -1)
266: fatal("Couldn't fork: %s", strerror(errno));
267:
268: if (pid == 0) {
269: /* XXX: child has pipe fds to ssh subproc open - issue? */
270: if (args) {
271: debug3("Executing %s -c \"%s\"", shell, args);
272: execl(shell, shell, "-c", args, (char *)NULL);
273: } else {
274: debug3("Executing %s", shell);
275: execl(shell, shell, (char *)NULL);
276: }
277: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
278: strerror(errno));
279: _exit(1);
280: }
281: while (waitpid(pid, &status, 0) == -1)
282: if (errno != EINTR)
283: fatal("Couldn't wait for child: %s", strerror(errno));
284: if (!WIFEXITED(status))
1.78 djm 285: error("Shell exited abnormally");
1.44 djm 286: else if (WEXITSTATUS(status))
287: error("Shell exited with status %d", WEXITSTATUS(status));
288: }
289:
290: static void
291: local_do_ls(const char *args)
292: {
293: if (!args || !*args)
294: local_do_shell(_PATH_LS);
295: else {
296: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
297: char *buf = xmalloc(len);
298:
299: /* XXX: quoting - rip quoting code from ftp? */
300: snprintf(buf, len, _PATH_LS " %s", args);
301: local_do_shell(buf);
1.145 djm 302: free(buf);
1.44 djm 303: }
304: }
305:
306: /* Strip one path (usually the pwd) from the start of another */
307: static char *
308: path_strip(char *path, char *strip)
309: {
310: size_t len;
311:
312: if (strip == NULL)
313: return (xstrdup(path));
314:
315: len = strlen(strip);
1.59 djm 316: if (strncmp(path, strip, len) == 0) {
1.44 djm 317: if (strip[len - 1] != '/' && path[len] == '/')
318: len++;
319: return (xstrdup(path + len));
320: }
321:
322: return (xstrdup(path));
323: }
324:
325: static char *
326: make_absolute(char *p, char *pwd)
327: {
1.51 avsm 328: char *abs_str;
1.44 djm 329:
330: /* Derelativise */
331: if (p && p[0] != '/') {
1.51 avsm 332: abs_str = path_append(pwd, p);
1.145 djm 333: free(p);
1.51 avsm 334: return(abs_str);
1.44 djm 335: } else
336: return(p);
337: }
338:
339: static int
1.148 djm 340: parse_getput_flags(const char *cmd, char **argv, int argc,
341: int *aflag, int *pflag, int *rflag)
1.44 djm 342: {
1.102 martynas 343: extern int opterr, optind, optopt, optreset;
1.97 djm 344: int ch;
1.44 djm 345:
1.97 djm 346: optind = optreset = 1;
347: opterr = 0;
348:
1.148 djm 349: *aflag = *rflag = *pflag = 0;
350: while ((ch = getopt(argc, argv, "aPpRr")) != -1) {
1.97 djm 351: switch (ch) {
1.148 djm 352: case 'a':
353: *aflag = 1;
354: break;
1.44 djm 355: case 'p':
356: case 'P':
357: *pflag = 1;
358: break;
1.111 djm 359: case 'r':
360: case 'R':
361: *rflag = 1;
362: break;
1.44 djm 363: default:
1.102 martynas 364: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 365: return -1;
1.44 djm 366: }
367: }
368:
1.97 djm 369: return optind;
1.44 djm 370: }
371:
372: static int
1.132 djm 373: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
374: {
375: extern int opterr, optind, optopt, optreset;
376: int ch;
377:
378: optind = optreset = 1;
379: opterr = 0;
380:
381: *sflag = 0;
382: while ((ch = getopt(argc, argv, "s")) != -1) {
383: switch (ch) {
384: case 's':
385: *sflag = 1;
386: break;
387: default:
388: error("%s: Invalid flag -%c", cmd, optopt);
389: return -1;
390: }
391: }
392:
393: return optind;
394: }
395:
396: static int
1.152 djm 397: parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag)
398: {
399: extern int opterr, optind, optopt, optreset;
400: int ch;
401:
402: optind = optreset = 1;
403: opterr = 0;
404:
405: *lflag = 0;
406: while ((ch = getopt(argc, argv, "l")) != -1) {
407: switch (ch) {
408: case 'l':
409: *lflag = 1;
410: break;
411: default:
412: error("%s: Invalid flag -%c", cmd, optopt);
413: return -1;
414: }
415: }
416:
417: return optind;
418: }
419:
420: static int
1.97 djm 421: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 422: {
1.102 martynas 423: extern int opterr, optind, optopt, optreset;
1.97 djm 424: int ch;
425:
426: optind = optreset = 1;
427: opterr = 0;
1.44 djm 428:
1.53 djm 429: *lflag = LS_NAME_SORT;
1.119 djm 430: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 431: switch (ch) {
432: case '1':
433: *lflag &= ~VIEW_FLAGS;
434: *lflag |= LS_SHORT_VIEW;
435: break;
436: case 'S':
437: *lflag &= ~SORT_FLAGS;
438: *lflag |= LS_SIZE_SORT;
439: break;
440: case 'a':
441: *lflag |= LS_SHOW_ALL;
442: break;
443: case 'f':
444: *lflag &= ~SORT_FLAGS;
445: break;
1.119 djm 446: case 'h':
447: *lflag |= LS_SI_UNITS;
448: break;
1.97 djm 449: case 'l':
1.119 djm 450: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 451: *lflag |= LS_LONG_VIEW;
452: break;
453: case 'n':
1.119 djm 454: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 455: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
456: break;
457: case 'r':
458: *lflag |= LS_REVERSE_SORT;
459: break;
460: case 't':
461: *lflag &= ~SORT_FLAGS;
462: *lflag |= LS_TIME_SORT;
463: break;
464: default:
1.102 martynas 465: error("ls: Invalid flag -%c", optopt);
1.97 djm 466: return -1;
1.44 djm 467: }
468: }
469:
1.97 djm 470: return optind;
1.44 djm 471: }
472:
473: static int
1.100 djm 474: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
475: {
1.102 martynas 476: extern int opterr, optind, optopt, optreset;
1.100 djm 477: int ch;
478:
479: optind = optreset = 1;
480: opterr = 0;
481:
482: *hflag = *iflag = 0;
483: while ((ch = getopt(argc, argv, "hi")) != -1) {
484: switch (ch) {
485: case 'h':
486: *hflag = 1;
487: break;
488: case 'i':
489: *iflag = 1;
490: break;
491: default:
1.102 martynas 492: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 493: return -1;
494: }
495: }
496:
497: return optind;
498: }
499:
500: static int
1.153 djm 501: parse_no_flags(const char *cmd, char **argv, int argc)
502: {
503: extern int opterr, optind, optopt, optreset;
504: int ch;
505:
506: optind = optreset = 1;
507: opterr = 0;
508:
509: while ((ch = getopt(argc, argv, "")) != -1) {
510: switch (ch) {
511: default:
512: error("%s: Invalid flag -%c", cmd, optopt);
513: return -1;
514: }
515: }
516:
517: return optind;
518: }
519:
520: static int
1.44 djm 521: is_dir(char *path)
522: {
523: struct stat sb;
524:
525: /* XXX: report errors? */
526: if (stat(path, &sb) == -1)
527: return(0);
528:
1.92 otto 529: return(S_ISDIR(sb.st_mode));
1.44 djm 530: }
531:
532: static int
533: remote_is_dir(struct sftp_conn *conn, char *path)
534: {
535: Attrib *a;
536:
537: /* XXX: report errors? */
538: if ((a = do_stat(conn, path, 1)) == NULL)
539: return(0);
540: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
541: return(0);
1.92 otto 542: return(S_ISDIR(a->perm));
1.44 djm 543: }
544:
1.111 djm 545: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
546: static int
547: pathname_is_dir(char *pathname)
548: {
549: size_t l = strlen(pathname);
550:
551: return l > 0 && pathname[l - 1] == '/';
552: }
553:
1.44 djm 554: static int
1.111 djm 555: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
1.148 djm 556: int pflag, int rflag, int resume)
1.44 djm 557: {
558: char *abs_src = NULL;
559: char *abs_dst = NULL;
560: glob_t g;
1.111 djm 561: char *filename, *tmp=NULL;
562: int i, err = 0;
1.44 djm 563:
564: abs_src = xstrdup(src);
565: abs_src = make_absolute(abs_src, pwd);
1.111 djm 566: memset(&g, 0, sizeof(g));
1.44 djm 567:
568: debug3("Looking up %s", abs_src);
1.111 djm 569: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 570: error("File \"%s\" not found.", abs_src);
571: err = -1;
572: goto out;
573: }
574:
1.111 djm 575: /*
576: * If multiple matches then dst must be a directory or
577: * unspecified.
578: */
579: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
580: error("Multiple source paths, but destination "
581: "\"%s\" is not a directory", dst);
1.44 djm 582: err = -1;
583: goto out;
584: }
585:
1.46 djm 586: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 587: tmp = xstrdup(g.gl_pathv[i]);
588: if ((filename = basename(tmp)) == NULL) {
589: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 590: free(tmp);
1.44 djm 591: err = -1;
592: goto out;
593: }
594:
595: if (g.gl_matchc == 1 && dst) {
596: if (is_dir(dst)) {
1.111 djm 597: abs_dst = path_append(dst, filename);
598: } else {
1.44 djm 599: abs_dst = xstrdup(dst);
1.111 djm 600: }
1.44 djm 601: } else if (dst) {
1.111 djm 602: abs_dst = path_append(dst, filename);
603: } else {
604: abs_dst = xstrdup(filename);
605: }
1.145 djm 606: free(tmp);
1.44 djm 607:
1.148 djm 608: resume |= global_aflag;
609: if (!quiet && resume)
610: printf("Resuming %s to %s\n", g.gl_pathv[i], abs_dst);
611: else if (!quiet && !resume)
1.143 djm 612: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 613: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 614: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
615: pflag || global_pflag, 1, resume) == -1)
1.111 djm 616: err = -1;
617: } else {
618: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.148 djm 619: pflag || global_pflag, resume) == -1)
1.111 djm 620: err = -1;
621: }
1.145 djm 622: free(abs_dst);
1.44 djm 623: abs_dst = NULL;
624: }
625:
626: out:
1.145 djm 627: free(abs_src);
1.44 djm 628: globfree(&g);
629: return(err);
630: }
631:
632: static int
1.111 djm 633: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
634: int pflag, int rflag)
1.44 djm 635: {
636: char *tmp_dst = NULL;
637: char *abs_dst = NULL;
1.111 djm 638: char *tmp = NULL, *filename = NULL;
1.44 djm 639: glob_t g;
640: int err = 0;
1.111 djm 641: int i, dst_is_dir = 1;
1.99 djm 642: struct stat sb;
1.44 djm 643:
644: if (dst) {
645: tmp_dst = xstrdup(dst);
646: tmp_dst = make_absolute(tmp_dst, pwd);
647: }
648:
649: memset(&g, 0, sizeof(g));
650: debug3("Looking up %s", src);
1.111 djm 651: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 652: error("File \"%s\" not found.", src);
653: err = -1;
654: goto out;
655: }
656:
1.111 djm 657: /* If we aren't fetching to pwd then stash this status for later */
658: if (tmp_dst != NULL)
659: dst_is_dir = remote_is_dir(conn, tmp_dst);
660:
1.44 djm 661: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 662: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
663: error("Multiple paths match, but destination "
664: "\"%s\" is not a directory", tmp_dst);
1.44 djm 665: err = -1;
666: goto out;
667: }
668:
1.46 djm 669: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 670: if (stat(g.gl_pathv[i], &sb) == -1) {
671: err = -1;
672: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
673: continue;
674: }
1.149 djm 675:
1.111 djm 676: tmp = xstrdup(g.gl_pathv[i]);
677: if ((filename = basename(tmp)) == NULL) {
678: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 679: free(tmp);
1.44 djm 680: err = -1;
681: goto out;
682: }
683:
684: if (g.gl_matchc == 1 && tmp_dst) {
685: /* If directory specified, append filename */
1.111 djm 686: if (dst_is_dir)
687: abs_dst = path_append(tmp_dst, filename);
688: else
1.44 djm 689: abs_dst = xstrdup(tmp_dst);
690: } else if (tmp_dst) {
1.111 djm 691: abs_dst = path_append(tmp_dst, filename);
692: } else {
693: abs_dst = make_absolute(xstrdup(filename), pwd);
694: }
1.145 djm 695: free(tmp);
1.44 djm 696:
1.143 djm 697: if (!quiet)
698: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 699: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
700: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
701: pflag || global_pflag, 1) == -1)
702: err = -1;
703: } else {
704: if (do_upload(conn, g.gl_pathv[i], abs_dst,
705: pflag || global_pflag) == -1)
706: err = -1;
707: }
1.44 djm 708: }
709:
710: out:
1.145 djm 711: free(abs_dst);
712: free(tmp_dst);
1.44 djm 713: globfree(&g);
714: return(err);
715: }
716:
717: static int
718: sdirent_comp(const void *aa, const void *bb)
719: {
720: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
721: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 722: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 723:
1.52 djm 724: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 725: if (sort_flag & LS_NAME_SORT)
1.52 djm 726: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 727: else if (sort_flag & LS_TIME_SORT)
1.52 djm 728: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 729: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 730: return (rmul * NCMP(a->a.size, b->a.size));
731:
732: fatal("Unknown ls sort type");
1.44 djm 733: }
734:
735: /* sftp ls.1 replacement for directories */
736: static int
737: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
738: {
1.64 djm 739: int n;
740: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 741: SFTP_DIRENT **d;
742:
743: if ((n = do_readdir(conn, path, &d)) != 0)
744: return (n);
745:
1.53 djm 746: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 747: u_int m = 0, width = 80;
1.44 djm 748: struct winsize ws;
749: char *tmp;
750:
751: /* Count entries for sort and find longest filename */
1.54 djm 752: for (n = 0; d[n] != NULL; n++) {
753: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
754: m = MAX(m, strlen(d[n]->filename));
755: }
1.44 djm 756:
757: /* Add any subpath that also needs to be counted */
758: tmp = path_strip(path, strip_path);
759: m += strlen(tmp);
1.145 djm 760: free(tmp);
1.44 djm 761:
762: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
763: width = ws.ws_col;
764:
765: columns = width / (m + 2);
766: columns = MAX(columns, 1);
767: colspace = width / columns;
768: colspace = MIN(colspace, width);
769: }
770:
1.52 djm 771: if (lflag & SORT_FLAGS) {
1.68 dtucker 772: for (n = 0; d[n] != NULL; n++)
773: ; /* count entries */
1.53 djm 774: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 775: qsort(d, n, sizeof(*d), sdirent_comp);
776: }
1.44 djm 777:
1.46 djm 778: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 779: char *tmp, *fname;
1.54 djm 780:
781: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
782: continue;
1.44 djm 783:
784: tmp = path_append(path, d[n]->filename);
785: fname = path_strip(tmp, strip_path);
1.145 djm 786: free(tmp);
1.44 djm 787:
1.53 djm 788: if (lflag & LS_LONG_VIEW) {
1.119 djm 789: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 790: char *lname;
791: struct stat sb;
792:
793: memset(&sb, 0, sizeof(sb));
794: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 795: lname = ls_file(fname, &sb, 1,
796: (lflag & LS_SI_UNITS));
1.50 djm 797: printf("%s\n", lname);
1.145 djm 798: free(lname);
1.50 djm 799: } else
800: printf("%s\n", d[n]->longname);
1.44 djm 801: } else {
802: printf("%-*s", colspace, fname);
803: if (c >= columns) {
804: printf("\n");
805: c = 1;
806: } else
807: c++;
808: }
809:
1.145 djm 810: free(fname);
1.44 djm 811: }
812:
1.53 djm 813: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 814: printf("\n");
815:
816: free_sftp_dirents(d);
817: return (0);
818: }
819:
820: /* sftp ls.1 replacement which handles path globs */
821: static int
822: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
823: int lflag)
824: {
1.129 djm 825: char *fname, *lname;
1.44 djm 826: glob_t g;
1.128 djm 827: int err;
1.129 djm 828: struct winsize ws;
829: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 830:
831: memset(&g, 0, sizeof(g));
832:
1.128 djm 833: if (remote_glob(conn, path,
1.133 djm 834: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
835: NULL, &g) ||
1.128 djm 836: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 837: if (g.gl_pathc)
838: globfree(&g);
1.44 djm 839: error("Can't ls: \"%s\" not found", path);
1.128 djm 840: return -1;
1.44 djm 841: }
842:
1.46 djm 843: if (interrupted)
844: goto out;
845:
1.44 djm 846: /*
1.60 fgsch 847: * If the glob returns a single match and it is a directory,
848: * then just list its contents.
1.44 djm 849: */
1.128 djm 850: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
851: S_ISDIR(g.gl_statv[0]->st_mode)) {
852: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
853: globfree(&g);
854: return err;
1.44 djm 855: }
856:
1.129 djm 857: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
858: width = ws.ws_col;
859:
1.53 djm 860: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 861: /* Count entries for sort and find longest filename */
862: for (i = 0; g.gl_pathv[i]; i++)
863: m = MAX(m, strlen(g.gl_pathv[i]));
864:
865: columns = width / (m + 2);
866: columns = MAX(columns, 1);
867: colspace = width / columns;
868: }
869:
1.136 dtucker 870: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 871: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 872: if (lflag & LS_LONG_VIEW) {
1.128 djm 873: if (g.gl_statv[i] == NULL) {
874: error("no stat information for %s", fname);
875: continue;
876: }
877: lname = ls_file(fname, g.gl_statv[i], 1,
878: (lflag & LS_SI_UNITS));
1.44 djm 879: printf("%s\n", lname);
1.145 djm 880: free(lname);
1.44 djm 881: } else {
882: printf("%-*s", colspace, fname);
883: if (c >= columns) {
884: printf("\n");
885: c = 1;
886: } else
887: c++;
888: }
1.145 djm 889: free(fname);
1.44 djm 890: }
891:
1.53 djm 892: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 893: printf("\n");
894:
1.46 djm 895: out:
1.44 djm 896: if (g.gl_pathc)
897: globfree(&g);
898:
1.128 djm 899: return 0;
1.44 djm 900: }
901:
1.100 djm 902: static int
903: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
904: {
1.101 dtucker 905: struct sftp_statvfs st;
1.100 djm 906: char s_used[FMT_SCALED_STRSIZE];
907: char s_avail[FMT_SCALED_STRSIZE];
908: char s_root[FMT_SCALED_STRSIZE];
909: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 910: unsigned long long ffree;
1.100 djm 911:
912: if (do_statvfs(conn, path, &st, 1) == -1)
913: return -1;
914: if (iflag) {
1.114 dtucker 915: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 916: printf(" Inodes Used Avail "
917: "(root) %%Capacity\n");
918: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
919: (unsigned long long)st.f_files,
920: (unsigned long long)(st.f_files - st.f_ffree),
921: (unsigned long long)st.f_favail,
1.114 dtucker 922: (unsigned long long)st.f_ffree, ffree);
1.100 djm 923: } else if (hflag) {
924: strlcpy(s_used, "error", sizeof(s_used));
925: strlcpy(s_avail, "error", sizeof(s_avail));
926: strlcpy(s_root, "error", sizeof(s_root));
927: strlcpy(s_total, "error", sizeof(s_total));
928: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
929: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
930: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
931: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
932: printf(" Size Used Avail (root) %%Capacity\n");
933: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
934: s_total, s_used, s_avail, s_root,
935: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
936: st.f_blocks));
937: } else {
938: printf(" Size Used Avail "
939: "(root) %%Capacity\n");
940: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
941: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
942: (unsigned long long)(st.f_frsize *
943: (st.f_blocks - st.f_bfree) / 1024),
944: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
945: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
946: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
947: st.f_blocks));
948: }
949: return 0;
950: }
951:
1.97 djm 952: /*
953: * Undo escaping of glob sequences in place. Used to undo extra escaping
954: * applied in makeargv() when the string is destined for a function that
955: * does not glob it.
956: */
957: static void
958: undo_glob_escape(char *s)
959: {
960: size_t i, j;
961:
962: for (i = j = 0;;) {
963: if (s[i] == '\0') {
964: s[j] = '\0';
965: return;
966: }
967: if (s[i] != '\\') {
968: s[j++] = s[i++];
969: continue;
970: }
971: /* s[i] == '\\' */
972: ++i;
973: switch (s[i]) {
974: case '?':
975: case '[':
976: case '*':
977: case '\\':
978: s[j++] = s[i++];
979: break;
980: case '\0':
981: s[j++] = '\\';
982: s[j] = '\0';
983: return;
984: default:
985: s[j++] = '\\';
986: s[j++] = s[i++];
987: break;
988: }
989: }
990: }
991:
992: /*
993: * Split a string into an argument vector using sh(1)-style quoting,
994: * comment and escaping rules, but with some tweaks to handle glob(3)
995: * wildcards.
1.116 djm 996: * The "sloppy" flag allows for recovery from missing terminating quote, for
997: * use in parsing incomplete commandlines during tab autocompletion.
998: *
1.97 djm 999: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1000: *
1001: * If "lastquote" is not NULL, the quoting character used for the last
1002: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1003: *
1.116 djm 1004: * If "terminated" is not NULL, *terminated will be set to 1 when the
1005: * last argument's quote has been properly terminated or 0 otherwise.
1006: * This parameter is only of use if "sloppy" is set.
1.97 djm 1007: */
1008: #define MAXARGS 128
1009: #define MAXARGLEN 8192
1010: static char **
1.116 djm 1011: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1012: u_int *terminated)
1.97 djm 1013: {
1014: int argc, quot;
1015: size_t i, j;
1016: static char argvs[MAXARGLEN];
1017: static char *argv[MAXARGS + 1];
1018: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1019:
1020: *argcp = argc = 0;
1021: if (strlen(arg) > sizeof(argvs) - 1) {
1022: args_too_longs:
1023: error("string too long");
1024: return NULL;
1025: }
1.116 djm 1026: if (terminated != NULL)
1027: *terminated = 1;
1028: if (lastquote != NULL)
1029: *lastquote = '\0';
1.97 djm 1030: state = MA_START;
1031: i = j = 0;
1032: for (;;) {
1.141 markus 1033: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1034: error("Too many arguments.");
1035: return NULL;
1036: }
1.97 djm 1037: if (isspace(arg[i])) {
1038: if (state == MA_UNQUOTED) {
1039: /* Terminate current argument */
1040: argvs[j++] = '\0';
1041: argc++;
1042: state = MA_START;
1043: } else if (state != MA_START)
1044: argvs[j++] = arg[i];
1045: } else if (arg[i] == '"' || arg[i] == '\'') {
1046: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1047: if (state == MA_START) {
1048: argv[argc] = argvs + j;
1049: state = q;
1.116 djm 1050: if (lastquote != NULL)
1051: *lastquote = arg[i];
1.149 djm 1052: } else if (state == MA_UNQUOTED)
1.97 djm 1053: state = q;
1054: else if (state == q)
1055: state = MA_UNQUOTED;
1056: else
1057: argvs[j++] = arg[i];
1058: } else if (arg[i] == '\\') {
1059: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1060: quot = state == MA_SQUOTE ? '\'' : '"';
1061: /* Unescape quote we are in */
1062: /* XXX support \n and friends? */
1063: if (arg[i + 1] == quot) {
1064: i++;
1065: argvs[j++] = arg[i];
1066: } else if (arg[i + 1] == '?' ||
1067: arg[i + 1] == '[' || arg[i + 1] == '*') {
1068: /*
1069: * Special case for sftp: append
1070: * double-escaped glob sequence -
1071: * glob will undo one level of
1072: * escaping. NB. string can grow here.
1073: */
1074: if (j >= sizeof(argvs) - 5)
1075: goto args_too_longs;
1076: argvs[j++] = '\\';
1077: argvs[j++] = arg[i++];
1078: argvs[j++] = '\\';
1079: argvs[j++] = arg[i];
1080: } else {
1081: argvs[j++] = arg[i++];
1082: argvs[j++] = arg[i];
1083: }
1084: } else {
1085: if (state == MA_START) {
1086: argv[argc] = argvs + j;
1087: state = MA_UNQUOTED;
1.116 djm 1088: if (lastquote != NULL)
1089: *lastquote = '\0';
1.97 djm 1090: }
1091: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1092: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1093: /*
1094: * Special case for sftp: append
1095: * escaped glob sequence -
1096: * glob will undo one level of
1097: * escaping.
1098: */
1099: argvs[j++] = arg[i++];
1100: argvs[j++] = arg[i];
1101: } else {
1102: /* Unescape everything */
1103: /* XXX support \n and friends? */
1104: i++;
1105: argvs[j++] = arg[i];
1106: }
1107: }
1108: } else if (arg[i] == '#') {
1109: if (state == MA_SQUOTE || state == MA_DQUOTE)
1110: argvs[j++] = arg[i];
1111: else
1112: goto string_done;
1113: } else if (arg[i] == '\0') {
1114: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1115: if (sloppy) {
1116: state = MA_UNQUOTED;
1117: if (terminated != NULL)
1118: *terminated = 0;
1119: goto string_done;
1120: }
1.97 djm 1121: error("Unterminated quoted argument");
1122: return NULL;
1123: }
1124: string_done:
1125: if (state == MA_UNQUOTED) {
1126: argvs[j++] = '\0';
1127: argc++;
1128: }
1129: break;
1130: } else {
1131: if (state == MA_START) {
1132: argv[argc] = argvs + j;
1133: state = MA_UNQUOTED;
1.116 djm 1134: if (lastquote != NULL)
1135: *lastquote = '\0';
1.97 djm 1136: }
1137: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1138: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1139: /*
1140: * Special case for sftp: escape quoted
1141: * glob(3) wildcards. NB. string can grow
1142: * here.
1143: */
1144: if (j >= sizeof(argvs) - 3)
1145: goto args_too_longs;
1146: argvs[j++] = '\\';
1147: argvs[j++] = arg[i];
1148: } else
1149: argvs[j++] = arg[i];
1150: }
1151: i++;
1152: }
1153: *argcp = argc;
1154: return argv;
1155: }
1156:
1.44 djm 1157: static int
1.148 djm 1158: parse_args(const char **cpp, int *aflag, int *hflag, int *iflag, int *lflag,
1159: int *pflag, int *rflag, int *sflag, unsigned long *n_arg,
1160: char **path1, char **path2)
1.44 djm 1161: {
1162: const char *cmd, *cp = *cpp;
1.97 djm 1163: char *cp2, **argv;
1.44 djm 1164: int base = 0;
1165: long l;
1.97 djm 1166: int i, cmdnum, optidx, argc;
1.44 djm 1167:
1168: /* Skip leading whitespace */
1169: cp = cp + strspn(cp, WHITESPACE);
1170:
1171: /* Check for leading '-' (disable error processing) */
1172: *iflag = 0;
1173: if (*cp == '-') {
1174: *iflag = 1;
1175: cp++;
1.118 dtucker 1176: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1177: }
1.118 dtucker 1178:
1179: /* Ignore blank lines and lines which begin with comment '#' char */
1180: if (*cp == '\0' || *cp == '#')
1181: return (0);
1.44 djm 1182:
1.116 djm 1183: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1184: return -1;
1185:
1.44 djm 1186: /* Figure out which command we have */
1.97 djm 1187: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1188: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1189: break;
1190: }
1191: cmdnum = cmds[i].n;
1192: cmd = cmds[i].c;
1193:
1194: /* Special case */
1195: if (*cp == '!') {
1196: cp++;
1197: cmdnum = I_SHELL;
1198: } else if (cmdnum == -1) {
1199: error("Invalid command.");
1.97 djm 1200: return -1;
1.44 djm 1201: }
1202:
1203: /* Get arguments and parse flags */
1.148 djm 1204: *aflag = *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
1.44 djm 1205: *path1 = *path2 = NULL;
1.97 djm 1206: optidx = 1;
1.44 djm 1207: switch (cmdnum) {
1208: case I_GET:
1.148 djm 1209: case I_REGET:
1.44 djm 1210: case I_PUT:
1.132 djm 1211: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.148 djm 1212: aflag, pflag, rflag)) == -1)
1.97 djm 1213: return -1;
1.44 djm 1214: /* Get first pathname (mandatory) */
1.97 djm 1215: if (argc - optidx < 1) {
1.44 djm 1216: error("You must specify at least one path after a "
1217: "%s command.", cmd);
1.97 djm 1218: return -1;
1219: }
1220: *path1 = xstrdup(argv[optidx]);
1221: /* Get second pathname (optional) */
1222: if (argc - optidx > 1) {
1223: *path2 = xstrdup(argv[optidx + 1]);
1224: /* Destination is not globbed */
1225: undo_glob_escape(*path2);
1.44 djm 1226: }
1.148 djm 1227: if (*aflag && cmdnum == I_PUT) {
1228: /* XXX implement resume for uploads */
1229: error("Resume is not supported for uploads");
1230: return -1;
1231: }
1.44 djm 1232: break;
1.132 djm 1233: case I_LINK:
1234: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1235: return -1;
1.152 djm 1236: goto parse_two_paths;
1237: case I_RENAME:
1238: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1239: return -1;
1240: goto parse_two_paths;
1.132 djm 1241: case I_SYMLINK:
1.153 djm 1242: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1243: return -1;
1.152 djm 1244: parse_two_paths:
1.97 djm 1245: if (argc - optidx < 2) {
1.44 djm 1246: error("You must specify two paths after a %s "
1247: "command.", cmd);
1.97 djm 1248: return -1;
1.44 djm 1249: }
1.97 djm 1250: *path1 = xstrdup(argv[optidx]);
1251: *path2 = xstrdup(argv[optidx + 1]);
1252: /* Paths are not globbed */
1253: undo_glob_escape(*path1);
1254: undo_glob_escape(*path2);
1.44 djm 1255: break;
1256: case I_RM:
1257: case I_MKDIR:
1258: case I_RMDIR:
1259: case I_CHDIR:
1260: case I_LCHDIR:
1261: case I_LMKDIR:
1.153 djm 1262: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1263: return -1;
1.44 djm 1264: /* Get pathname (mandatory) */
1.97 djm 1265: if (argc - optidx < 1) {
1.44 djm 1266: error("You must specify a path after a %s command.",
1267: cmd);
1.97 djm 1268: return -1;
1.44 djm 1269: }
1.97 djm 1270: *path1 = xstrdup(argv[optidx]);
1271: /* Only "rm" globs */
1272: if (cmdnum != I_RM)
1273: undo_glob_escape(*path1);
1.44 djm 1274: break;
1.100 djm 1275: case I_DF:
1276: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1277: iflag)) == -1)
1278: return -1;
1279: /* Default to current directory if no path specified */
1280: if (argc - optidx < 1)
1281: *path1 = NULL;
1282: else {
1283: *path1 = xstrdup(argv[optidx]);
1284: undo_glob_escape(*path1);
1285: }
1286: break;
1.44 djm 1287: case I_LS:
1.97 djm 1288: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1289: return(-1);
1290: /* Path is optional */
1.97 djm 1291: if (argc - optidx > 0)
1292: *path1 = xstrdup(argv[optidx]);
1.44 djm 1293: break;
1294: case I_LLS:
1.98 djm 1295: /* Skip ls command and following whitespace */
1296: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1297: case I_SHELL:
1298: /* Uses the rest of the line */
1299: break;
1300: case I_LUMASK:
1301: case I_CHMOD:
1302: base = 8;
1303: case I_CHOWN:
1304: case I_CHGRP:
1.153 djm 1305: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1306: return -1;
1.44 djm 1307: /* Get numeric arg (mandatory) */
1.97 djm 1308: if (argc - optidx < 1)
1309: goto need_num_arg;
1.93 ray 1310: errno = 0;
1.97 djm 1311: l = strtol(argv[optidx], &cp2, base);
1312: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1313: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1314: l < 0) {
1315: need_num_arg:
1.44 djm 1316: error("You must supply a numeric argument "
1317: "to the %s command.", cmd);
1.97 djm 1318: return -1;
1.44 djm 1319: }
1320: *n_arg = l;
1.97 djm 1321: if (cmdnum == I_LUMASK)
1.44 djm 1322: break;
1323: /* Get pathname (mandatory) */
1.97 djm 1324: if (argc - optidx < 2) {
1.44 djm 1325: error("You must specify a path after a %s command.",
1326: cmd);
1.97 djm 1327: return -1;
1.44 djm 1328: }
1.97 djm 1329: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1330: break;
1331: case I_QUIT:
1332: case I_PWD:
1333: case I_LPWD:
1334: case I_HELP:
1335: case I_VERSION:
1336: case I_PROGRESS:
1.153 djm 1337: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1338: return -1;
1.44 djm 1339: break;
1340: default:
1341: fatal("Command not implemented");
1342: }
1343:
1344: *cpp = cp;
1345: return(cmdnum);
1346: }
1347:
1348: static int
1349: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1350: int err_abort)
1351: {
1352: char *path1, *path2, *tmp;
1.148 djm 1353: int aflag = 0, hflag = 0, iflag = 0, lflag = 0, pflag = 0;
1354: int rflag = 0, sflag = 0;
1.132 djm 1355: int cmdnum, i;
1.107 dtucker 1356: unsigned long n_arg = 0;
1.44 djm 1357: Attrib a, *aa;
1358: char path_buf[MAXPATHLEN];
1359: int err = 0;
1360: glob_t g;
1361:
1362: path1 = path2 = NULL;
1.148 djm 1363: cmdnum = parse_args(&cmd, &aflag, &hflag, &iflag, &lflag, &pflag,
1364: &rflag, &sflag, &n_arg, &path1, &path2);
1.44 djm 1365: if (iflag != 0)
1366: err_abort = 0;
1367:
1368: memset(&g, 0, sizeof(g));
1369:
1370: /* Perform command */
1371: switch (cmdnum) {
1372: case 0:
1373: /* Blank line */
1374: break;
1375: case -1:
1376: /* Unrecognized command */
1377: err = -1;
1378: break;
1.148 djm 1379: case I_REGET:
1380: aflag = 1;
1381: /* FALLTHROUGH */
1.44 djm 1382: case I_GET:
1.148 djm 1383: err = process_get(conn, path1, path2, *pwd, pflag,
1384: rflag, aflag);
1.44 djm 1385: break;
1386: case I_PUT:
1.111 djm 1387: err = process_put(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1388: break;
1389: case I_RENAME:
1390: path1 = make_absolute(path1, *pwd);
1391: path2 = make_absolute(path2, *pwd);
1.152 djm 1392: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1393: break;
1394: case I_SYMLINK:
1.132 djm 1395: sflag = 1;
1396: case I_LINK:
1.151 djm 1397: if (!sflag)
1398: path1 = make_absolute(path1, *pwd);
1.44 djm 1399: path2 = make_absolute(path2, *pwd);
1.132 djm 1400: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1401: break;
1402: case I_RM:
1403: path1 = make_absolute(path1, *pwd);
1404: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1405: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1406: if (!quiet)
1407: printf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1408: err = do_rm(conn, g.gl_pathv[i]);
1409: if (err != 0 && err_abort)
1410: break;
1411: }
1412: break;
1413: case I_MKDIR:
1414: path1 = make_absolute(path1, *pwd);
1415: attrib_clear(&a);
1416: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1417: a.perm = 0777;
1.111 djm 1418: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1419: break;
1420: case I_RMDIR:
1421: path1 = make_absolute(path1, *pwd);
1422: err = do_rmdir(conn, path1);
1423: break;
1424: case I_CHDIR:
1425: path1 = make_absolute(path1, *pwd);
1426: if ((tmp = do_realpath(conn, path1)) == NULL) {
1427: err = 1;
1428: break;
1429: }
1430: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1431: free(tmp);
1.44 djm 1432: err = 1;
1433: break;
1434: }
1435: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1436: error("Can't change directory: Can't check target");
1.145 djm 1437: free(tmp);
1.44 djm 1438: err = 1;
1439: break;
1440: }
1441: if (!S_ISDIR(aa->perm)) {
1442: error("Can't change directory: \"%s\" is not "
1443: "a directory", tmp);
1.145 djm 1444: free(tmp);
1.44 djm 1445: err = 1;
1446: break;
1447: }
1.145 djm 1448: free(*pwd);
1.44 djm 1449: *pwd = tmp;
1450: break;
1451: case I_LS:
1452: if (!path1) {
1.125 djm 1453: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1454: break;
1455: }
1456:
1457: /* Strip pwd off beginning of non-absolute paths */
1458: tmp = NULL;
1459: if (*path1 != '/')
1460: tmp = *pwd;
1461:
1462: path1 = make_absolute(path1, *pwd);
1463: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1464: break;
1465: case I_DF:
1466: /* Default to current directory if no path specified */
1467: if (path1 == NULL)
1468: path1 = xstrdup(*pwd);
1469: path1 = make_absolute(path1, *pwd);
1470: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1471: break;
1472: case I_LCHDIR:
1473: if (chdir(path1) == -1) {
1474: error("Couldn't change local directory to "
1475: "\"%s\": %s", path1, strerror(errno));
1476: err = 1;
1477: }
1478: break;
1479: case I_LMKDIR:
1480: if (mkdir(path1, 0777) == -1) {
1481: error("Couldn't create local directory "
1482: "\"%s\": %s", path1, strerror(errno));
1483: err = 1;
1484: }
1485: break;
1486: case I_LLS:
1487: local_do_ls(cmd);
1488: break;
1489: case I_SHELL:
1490: local_do_shell(cmd);
1491: break;
1492: case I_LUMASK:
1493: umask(n_arg);
1494: printf("Local umask: %03lo\n", n_arg);
1495: break;
1496: case I_CHMOD:
1497: path1 = make_absolute(path1, *pwd);
1498: attrib_clear(&a);
1499: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1500: a.perm = n_arg;
1501: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1502: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1503: if (!quiet)
1504: printf("Changing mode on %s\n", g.gl_pathv[i]);
1.44 djm 1505: err = do_setstat(conn, g.gl_pathv[i], &a);
1506: if (err != 0 && err_abort)
1507: break;
1508: }
1509: break;
1510: case I_CHOWN:
1511: case I_CHGRP:
1512: path1 = make_absolute(path1, *pwd);
1513: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1514: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1515: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1516: if (err_abort) {
1517: err = -1;
1.44 djm 1518: break;
1.104 djm 1519: } else
1.44 djm 1520: continue;
1521: }
1522: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1523: error("Can't get current ownership of "
1524: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1525: if (err_abort) {
1526: err = -1;
1.44 djm 1527: break;
1.104 djm 1528: } else
1.44 djm 1529: continue;
1530: }
1531: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1532: if (cmdnum == I_CHOWN) {
1.143 djm 1533: if (!quiet)
1534: printf("Changing owner on %s\n",
1535: g.gl_pathv[i]);
1.44 djm 1536: aa->uid = n_arg;
1537: } else {
1.143 djm 1538: if (!quiet)
1539: printf("Changing group on %s\n",
1540: g.gl_pathv[i]);
1.44 djm 1541: aa->gid = n_arg;
1542: }
1543: err = do_setstat(conn, g.gl_pathv[i], aa);
1544: if (err != 0 && err_abort)
1545: break;
1546: }
1547: break;
1548: case I_PWD:
1549: printf("Remote working directory: %s\n", *pwd);
1550: break;
1551: case I_LPWD:
1552: if (!getcwd(path_buf, sizeof(path_buf))) {
1553: error("Couldn't get local cwd: %s", strerror(errno));
1554: err = -1;
1555: break;
1556: }
1557: printf("Local working directory: %s\n", path_buf);
1558: break;
1559: case I_QUIT:
1560: /* Processed below */
1561: break;
1562: case I_HELP:
1563: help();
1564: break;
1565: case I_VERSION:
1566: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1567: break;
1568: case I_PROGRESS:
1569: showprogress = !showprogress;
1570: if (showprogress)
1571: printf("Progress meter enabled\n");
1572: else
1573: printf("Progress meter disabled\n");
1574: break;
1575: default:
1576: fatal("%d is not implemented", cmdnum);
1577: }
1578:
1579: if (g.gl_pathc)
1580: globfree(&g);
1.145 djm 1581: free(path1);
1582: free(path2);
1.44 djm 1583:
1584: /* If an unignored error occurs in batch mode we should abort. */
1585: if (err_abort && err != 0)
1586: return (-1);
1587: else if (cmdnum == I_QUIT)
1588: return (1);
1589:
1590: return (0);
1591: }
1592:
1.57 djm 1593: static char *
1594: prompt(EditLine *el)
1595: {
1596: return ("sftp> ");
1597: }
1598:
1.116 djm 1599: /* Display entries in 'list' after skipping the first 'len' chars */
1600: static void
1601: complete_display(char **list, u_int len)
1602: {
1603: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1604: struct winsize ws;
1605: char *tmp;
1606:
1607: /* Count entries for sort and find longest */
1.149 djm 1608: for (y = 0; list[y]; y++)
1.116 djm 1609: m = MAX(m, strlen(list[y]));
1610:
1611: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1612: width = ws.ws_col;
1613:
1614: m = m > len ? m - len : 0;
1615: columns = width / (m + 2);
1616: columns = MAX(columns, 1);
1617: colspace = width / columns;
1618: colspace = MIN(colspace, width);
1619:
1620: printf("\n");
1621: m = 1;
1622: for (y = 0; list[y]; y++) {
1623: llen = strlen(list[y]);
1624: tmp = llen > len ? list[y] + len : "";
1625: printf("%-*s", colspace, tmp);
1626: if (m >= columns) {
1627: printf("\n");
1628: m = 1;
1629: } else
1630: m++;
1631: }
1632: printf("\n");
1633: }
1634:
1635: /*
1636: * Given a "list" of words that begin with a common prefix of "word",
1637: * attempt to find an autocompletion to extends "word" by the next
1638: * characters common to all entries in "list".
1639: */
1640: static char *
1641: complete_ambiguous(const char *word, char **list, size_t count)
1642: {
1643: if (word == NULL)
1644: return NULL;
1645:
1646: if (count > 0) {
1647: u_int y, matchlen = strlen(list[0]);
1648:
1649: /* Find length of common stem */
1650: for (y = 1; list[y]; y++) {
1651: u_int x;
1652:
1.149 djm 1653: for (x = 0; x < matchlen; x++)
1654: if (list[0][x] != list[y][x])
1.116 djm 1655: break;
1656:
1657: matchlen = x;
1658: }
1659:
1660: if (matchlen > strlen(word)) {
1661: char *tmp = xstrdup(list[0]);
1662:
1.117 dtucker 1663: tmp[matchlen] = '\0';
1.116 djm 1664: return tmp;
1665: }
1.149 djm 1666: }
1.116 djm 1667:
1668: return xstrdup(word);
1669: }
1670:
1671: /* Autocomplete a sftp command */
1672: static int
1673: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1674: int terminated)
1675: {
1676: u_int y, count = 0, cmdlen, tmplen;
1677: char *tmp, **list, argterm[3];
1678: const LineInfo *lf;
1679:
1680: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1681:
1682: /* No command specified: display all available commands */
1683: if (cmd == NULL) {
1684: for (y = 0; cmds[y].c; y++)
1685: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1686:
1.116 djm 1687: list[count] = NULL;
1688: complete_display(list, 0);
1689:
1.149 djm 1690: for (y = 0; list[y] != NULL; y++)
1691: free(list[y]);
1.145 djm 1692: free(list);
1.116 djm 1693: return count;
1694: }
1695:
1696: /* Prepare subset of commands that start with "cmd" */
1697: cmdlen = strlen(cmd);
1698: for (y = 0; cmds[y].c; y++) {
1.149 djm 1699: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1700: list[count++] = xstrdup(cmds[y].c);
1701: }
1702: list[count] = NULL;
1703:
1.134 oga 1704: if (count == 0) {
1.145 djm 1705: free(list);
1.116 djm 1706: return 0;
1.134 oga 1707: }
1.116 djm 1708:
1709: /* Complete ambigious command */
1710: tmp = complete_ambiguous(cmd, list, count);
1711: if (count > 1)
1712: complete_display(list, 0);
1713:
1.149 djm 1714: for (y = 0; list[y]; y++)
1715: free(list[y]);
1.145 djm 1716: free(list);
1.116 djm 1717:
1718: if (tmp != NULL) {
1719: tmplen = strlen(tmp);
1720: cmdlen = strlen(cmd);
1721: /* If cmd may be extended then do so */
1722: if (tmplen > cmdlen)
1723: if (el_insertstr(el, tmp + cmdlen) == -1)
1724: fatal("el_insertstr failed.");
1725: lf = el_line(el);
1726: /* Terminate argument cleanly */
1727: if (count == 1) {
1728: y = 0;
1729: if (!terminated)
1730: argterm[y++] = quote;
1731: if (lastarg || *(lf->cursor) != ' ')
1732: argterm[y++] = ' ';
1733: argterm[y] = '\0';
1734: if (y > 0 && el_insertstr(el, argterm) == -1)
1735: fatal("el_insertstr failed.");
1736: }
1.145 djm 1737: free(tmp);
1.116 djm 1738: }
1739:
1740: return count;
1741: }
1742:
1743: /*
1744: * Determine whether a particular sftp command's arguments (if any)
1745: * represent local or remote files.
1746: */
1747: static int
1748: complete_is_remote(char *cmd) {
1749: int i;
1750:
1751: if (cmd == NULL)
1752: return -1;
1753:
1754: for (i = 0; cmds[i].c; i++) {
1.149 djm 1755: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1.116 djm 1756: return cmds[i].t;
1757: }
1758:
1759: return -1;
1760: }
1761:
1762: /* Autocomplete a filename "file" */
1763: static int
1764: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1765: char *file, int remote, int lastarg, char quote, int terminated)
1766: {
1767: glob_t g;
1.146 dtucker 1768: char *tmp, *tmp2, ins[8];
1.140 dtucker 1769: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1770: int clen;
1.116 djm 1771: const LineInfo *lf;
1.149 djm 1772:
1.116 djm 1773: /* Glob from "file" location */
1774: if (file == NULL)
1775: tmp = xstrdup("*");
1776: else
1777: xasprintf(&tmp, "%s*", file);
1778:
1.139 dtucker 1779: /* Check if the path is absolute. */
1780: isabs = tmp[0] == '/';
1781:
1.116 djm 1782: memset(&g, 0, sizeof(g));
1783: if (remote != LOCAL) {
1784: tmp = make_absolute(tmp, remote_path);
1785: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1786: } else
1.116 djm 1787: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1788:
1.116 djm 1789: /* Determine length of pwd so we can trim completion display */
1790: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1791: /* Terminate counting on first unescaped glob metacharacter */
1792: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1793: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1794: hadglob = 1;
1795: break;
1796: }
1797: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1798: tmplen++;
1799: if (tmp[tmplen] == '/')
1800: pwdlen = tmplen + 1; /* track last seen '/' */
1801: }
1.145 djm 1802: free(tmp);
1.116 djm 1803:
1.149 djm 1804: if (g.gl_matchc == 0)
1.116 djm 1805: goto out;
1806:
1807: if (g.gl_matchc > 1)
1808: complete_display(g.gl_pathv, pwdlen);
1809:
1810: tmp = NULL;
1811: /* Don't try to extend globs */
1812: if (file == NULL || hadglob)
1813: goto out;
1814:
1815: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1816: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1817: free(tmp2);
1.116 djm 1818:
1819: if (tmp == NULL)
1820: goto out;
1821:
1822: tmplen = strlen(tmp);
1823: filelen = strlen(file);
1824:
1.140 dtucker 1825: /* Count the number of escaped characters in the input string. */
1826: cesc = isesc = 0;
1827: for (i = 0; i < filelen; i++) {
1828: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1829: isesc = 1;
1830: cesc++;
1831: } else
1832: isesc = 0;
1833: }
1834:
1835: if (tmplen > (filelen - cesc)) {
1836: tmp2 = tmp + filelen - cesc;
1.149 djm 1837: len = strlen(tmp2);
1.116 djm 1838: /* quote argument on way out */
1.146 dtucker 1839: for (i = 0; i < len; i += clen) {
1840: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
1841: (size_t)clen > sizeof(ins) - 2)
1842: fatal("invalid multibyte character");
1.116 djm 1843: ins[0] = '\\';
1.146 dtucker 1844: memcpy(ins + 1, tmp2 + i, clen);
1845: ins[clen + 1] = '\0';
1.116 djm 1846: switch (tmp2[i]) {
1847: case '\'':
1848: case '"':
1849: case '\\':
1850: case '\t':
1.131 sthen 1851: case '[':
1.116 djm 1852: case ' ':
1.140 dtucker 1853: case '#':
1854: case '*':
1.116 djm 1855: if (quote == '\0' || tmp2[i] == quote) {
1856: if (el_insertstr(el, ins) == -1)
1857: fatal("el_insertstr "
1858: "failed.");
1859: break;
1860: }
1861: /* FALLTHROUGH */
1862: default:
1863: if (el_insertstr(el, ins + 1) == -1)
1864: fatal("el_insertstr failed.");
1865: break;
1866: }
1867: }
1868: }
1869:
1870: lf = el_line(el);
1871: if (g.gl_matchc == 1) {
1872: i = 0;
1873: if (!terminated)
1874: ins[i++] = quote;
1.120 djm 1875: if (*(lf->cursor - 1) != '/' &&
1876: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1877: ins[i++] = ' ';
1878: ins[i] = '\0';
1879: if (i > 0 && el_insertstr(el, ins) == -1)
1880: fatal("el_insertstr failed.");
1881: }
1.145 djm 1882: free(tmp);
1.116 djm 1883:
1884: out:
1885: globfree(&g);
1886: return g.gl_matchc;
1887: }
1888:
1889: /* tab-completion hook function, called via libedit */
1890: static unsigned char
1891: complete(EditLine *el, int ch)
1892: {
1.149 djm 1893: char **argv, *line, quote;
1.147 djm 1894: int argc, carg;
1895: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 1896: const LineInfo *lf;
1897: struct complete_ctx *complete_ctx;
1898:
1899: lf = el_line(el);
1900: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1901: fatal("%s: el_get failed", __func__);
1902:
1903: /* Figure out which argument the cursor points to */
1904: cursor = lf->cursor - lf->buffer;
1905: line = (char *)xmalloc(cursor + 1);
1906: memcpy(line, lf->buffer, cursor);
1907: line[cursor] = '\0';
1908: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 1909: free(line);
1.116 djm 1910:
1911: /* Get all the arguments on the line */
1912: len = lf->lastchar - lf->buffer;
1913: line = (char *)xmalloc(len + 1);
1914: memcpy(line, lf->buffer, len);
1915: line[len] = '\0';
1916: argv = makeargv(line, &argc, 1, NULL, NULL);
1917:
1918: /* Ensure cursor is at EOL or a argument boundary */
1919: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1920: line[cursor] != '\n') {
1.145 djm 1921: free(line);
1.116 djm 1922: return ret;
1923: }
1924:
1925: if (carg == 0) {
1926: /* Show all available commands */
1927: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1928: ret = CC_REDISPLAY;
1929: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1930: /* Handle the command parsing */
1931: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 1932: quote, terminated) != 0)
1.116 djm 1933: ret = CC_REDISPLAY;
1934: } else if (carg >= 1) {
1935: /* Handle file parsing */
1936: int remote = complete_is_remote(argv[0]);
1937: char *filematch = NULL;
1938:
1939: if (carg > 1 && line[cursor-1] != ' ')
1940: filematch = argv[carg - 1];
1941:
1942: if (remote != 0 &&
1943: complete_match(el, complete_ctx->conn,
1944: *complete_ctx->remote_pathp, filematch,
1.149 djm 1945: remote, carg == argc, quote, terminated) != 0)
1.116 djm 1946: ret = CC_REDISPLAY;
1947: }
1948:
1.149 djm 1949: free(line);
1.116 djm 1950: return ret;
1951: }
1952:
1.44 djm 1953: int
1.112 djm 1954: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1955: {
1.116 djm 1956: char *remote_path;
1.44 djm 1957: char *dir = NULL;
1958: char cmd[2048];
1.66 jaredy 1959: int err, interactive;
1.57 djm 1960: EditLine *el = NULL;
1961: History *hl = NULL;
1962: HistEvent hev;
1963: extern char *__progname;
1.116 djm 1964: struct complete_ctx complete_ctx;
1.57 djm 1965:
1966: if (!batchmode && isatty(STDIN_FILENO)) {
1967: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1968: fatal("Couldn't initialise editline");
1969: if ((hl = history_init()) == NULL)
1970: fatal("Couldn't initialise editline history");
1971: history(hl, &hev, H_SETSIZE, 100);
1972: el_set(el, EL_HIST, history, hl);
1973:
1974: el_set(el, EL_PROMPT, prompt);
1975: el_set(el, EL_EDITOR, "emacs");
1976: el_set(el, EL_TERMINAL, NULL);
1977: el_set(el, EL_SIGNAL, 1);
1978: el_source(el, NULL);
1.116 djm 1979:
1980: /* Tab Completion */
1.149 djm 1981: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 1982: "Context sensitive argument completion", complete);
1.116 djm 1983: complete_ctx.conn = conn;
1984: complete_ctx.remote_pathp = &remote_path;
1985: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
1986: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 ! djm 1987: /* enable ctrl-left-arrow and ctrl-right-arrow */
! 1988: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
! 1989: el_set(el, EL_BIND, "\\e[5C", "em-next-word", NULL);
! 1990: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
! 1991: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.57 djm 1992: }
1.44 djm 1993:
1.116 djm 1994: remote_path = do_realpath(conn, ".");
1995: if (remote_path == NULL)
1.44 djm 1996: fatal("Need cwd");
1997:
1998: if (file1 != NULL) {
1999: dir = xstrdup(file1);
1.116 djm 2000: dir = make_absolute(dir, remote_path);
1.44 djm 2001:
2002: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2003: if (!quiet)
2004: printf("Changing to: %s\n", dir);
1.44 djm 2005: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2006: if (parse_dispatch_command(conn, cmd,
2007: &remote_path, 1) != 0) {
1.145 djm 2008: free(dir);
2009: free(remote_path);
2010: free(conn);
1.44 djm 2011: return (-1);
1.58 markus 2012: }
1.44 djm 2013: } else {
1.137 djm 2014: /* XXX this is wrong wrt quoting */
1.148 djm 2015: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2016: global_aflag ? " -a" : "", dir,
2017: file2 == NULL ? "" : " ",
2018: file2 == NULL ? "" : file2);
1.116 djm 2019: err = parse_dispatch_command(conn, cmd,
2020: &remote_path, 1);
1.145 djm 2021: free(dir);
2022: free(remote_path);
2023: free(conn);
1.44 djm 2024: return (err);
2025: }
1.145 djm 2026: free(dir);
1.44 djm 2027: }
2028:
1.135 djm 2029: setlinebuf(stdout);
2030: setlinebuf(infile);
1.44 djm 2031:
1.66 jaredy 2032: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2033: err = 0;
2034: for (;;) {
2035: char *cp;
1.57 djm 2036: const char *line;
2037: int count = 0;
1.44 djm 2038:
1.46 djm 2039: signal(SIGINT, SIG_IGN);
2040:
1.57 djm 2041: if (el == NULL) {
1.66 jaredy 2042: if (interactive)
2043: printf("sftp> ");
1.57 djm 2044: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2045: if (interactive)
2046: printf("\n");
1.57 djm 2047: break;
2048: }
1.66 jaredy 2049: if (!interactive) { /* Echo command */
2050: printf("sftp> %s", cmd);
2051: if (strlen(cmd) > 0 &&
2052: cmd[strlen(cmd) - 1] != '\n')
2053: printf("\n");
2054: }
1.57 djm 2055: } else {
1.116 djm 2056: if ((line = el_gets(el, &count)) == NULL ||
2057: count <= 0) {
1.66 jaredy 2058: printf("\n");
1.57 djm 2059: break;
1.66 jaredy 2060: }
1.57 djm 2061: history(hl, &hev, H_ENTER, line);
2062: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2063: fprintf(stderr, "Error: input line too long\n");
2064: continue;
2065: }
1.44 djm 2066: }
2067:
2068: cp = strrchr(cmd, '\n');
2069: if (cp)
2070: *cp = '\0';
2071:
1.46 djm 2072: /* Handle user interrupts gracefully during commands */
2073: interrupted = 0;
2074: signal(SIGINT, cmd_interrupt);
2075:
1.116 djm 2076: err = parse_dispatch_command(conn, cmd, &remote_path,
2077: batchmode);
1.44 djm 2078: if (err != 0)
2079: break;
2080: }
1.145 djm 2081: free(remote_path);
2082: free(conn);
1.66 jaredy 2083:
2084: if (el != NULL)
2085: el_end(el);
1.44 djm 2086:
2087: /* err == 1 signifies normal "quit" exit */
2088: return (err >= 0 ? 0 : -1);
2089: }
1.34 fgsch 2090:
1.18 itojun 2091: static void
1.36 djm 2092: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2093: {
2094: int c_in, c_out;
1.30 deraadt 2095:
1.1 djm 2096: int inout[2];
1.30 deraadt 2097:
1.1 djm 2098: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2099: fatal("socketpair: %s", strerror(errno));
2100: *in = *out = inout[0];
2101: c_in = c_out = inout[1];
2102:
1.36 djm 2103: if ((sshpid = fork()) == -1)
1.1 djm 2104: fatal("fork: %s", strerror(errno));
1.36 djm 2105: else if (sshpid == 0) {
1.1 djm 2106: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2107: (dup2(c_out, STDOUT_FILENO) == -1)) {
2108: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2109: _exit(1);
1.1 djm 2110: }
2111: close(*in);
2112: close(*out);
2113: close(c_in);
2114: close(c_out);
1.46 djm 2115:
2116: /*
2117: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2118: * ignore SIGINT if we want to gracefully abort commands,
2119: * otherwise the signal will make it to the ssh process and
1.122 guenther 2120: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2121: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2122: */
2123: signal(SIGINT, SIG_IGN);
1.122 guenther 2124: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2125: execvp(path, args);
1.23 djm 2126: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2127: _exit(1);
1.1 djm 2128: }
2129:
1.36 djm 2130: signal(SIGTERM, killchild);
2131: signal(SIGINT, killchild);
2132: signal(SIGHUP, killchild);
1.1 djm 2133: close(c_in);
2134: close(c_out);
2135: }
2136:
1.18 itojun 2137: static void
1.1 djm 2138: usage(void)
2139: {
1.25 mpech 2140: extern char *__progname;
1.27 markus 2141:
1.19 stevesk 2142: fprintf(stderr,
1.150 jmc 2143: "usage: %s [-1246aCpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2144: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2145: "[-i identity_file] [-l limit]\n"
1.110 jmc 2146: " [-o ssh_option] [-P port] [-R num_requests] "
2147: "[-S program]\n"
1.108 djm 2148: " [-s subsystem | sftp_server] host\n"
1.105 djm 2149: " %s [user@]host[:file ...]\n"
2150: " %s [user@]host[:dir[/]]\n"
1.108 djm 2151: " %s -b batchfile [user@]host\n",
2152: __progname, __progname, __progname, __progname);
1.1 djm 2153: exit(1);
2154: }
2155:
1.2 stevesk 2156: int
1.1 djm 2157: main(int argc, char **argv)
2158: {
1.33 djm 2159: int in, out, ch, err;
1.117 dtucker 2160: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2161: int debug_level = 0, sshver = 2;
2162: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2163: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2164: const char *errstr;
1.17 mouring 2165: LogLevel ll = SYSLOG_LEVEL_INFO;
2166: arglist args;
1.3 djm 2167: extern int optind;
2168: extern char *optarg;
1.112 djm 2169: struct sftp_conn *conn;
2170: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2171: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2172: long long limit_kbps = 0;
1.67 djm 2173:
2174: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2175: sanitise_stdfd();
1.146 dtucker 2176: setlocale(LC_CTYPE, "");
1.1 djm 2177:
1.70 djm 2178: memset(&args, '\0', sizeof(args));
1.17 mouring 2179: args.list = NULL;
1.80 djm 2180: addargs(&args, "%s", ssh_program);
1.17 mouring 2181: addargs(&args, "-oForwardX11 no");
2182: addargs(&args, "-oForwardAgent no");
1.69 reyk 2183: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2184: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2185:
1.17 mouring 2186: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2187: infile = stdin;
1.3 djm 2188:
1.109 djm 2189: while ((ch = getopt(argc, argv,
1.148 djm 2190: "1246ahpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2191: switch (ch) {
1.108 djm 2192: /* Passed through to ssh(1) */
2193: case '4':
2194: case '6':
1.3 djm 2195: case 'C':
1.108 djm 2196: addargs(&args, "-%c", ch);
2197: break;
2198: /* Passed through to ssh(1) with argument */
2199: case 'F':
2200: case 'c':
2201: case 'i':
2202: case 'o':
1.113 halex 2203: addargs(&args, "-%c", ch);
2204: addargs(&args, "%s", optarg);
1.108 djm 2205: break;
2206: case 'q':
1.143 djm 2207: ll = SYSLOG_LEVEL_ERROR;
2208: quiet = 1;
1.108 djm 2209: showprogress = 0;
2210: addargs(&args, "-%c", ch);
1.3 djm 2211: break;
1.109 djm 2212: case 'P':
2213: addargs(&args, "-oPort %s", optarg);
2214: break;
1.3 djm 2215: case 'v':
1.17 mouring 2216: if (debug_level < 3) {
2217: addargs(&args, "-v");
2218: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2219: }
2220: debug_level++;
1.3 djm 2221: break;
1.7 markus 2222: case '1':
1.17 mouring 2223: sshver = 1;
1.7 markus 2224: if (sftp_server == NULL)
2225: sftp_server = _PATH_SFTP_SERVER;
2226: break;
1.108 djm 2227: case '2':
2228: sshver = 2;
1.148 djm 2229: break;
2230: case 'a':
2231: global_aflag = 1;
1.7 markus 2232: break;
1.108 djm 2233: case 'B':
2234: copy_buffer_len = strtol(optarg, &cp, 10);
2235: if (copy_buffer_len == 0 || *cp != '\0')
2236: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2237: break;
1.10 deraadt 2238: case 'b':
1.39 djm 2239: if (batchmode)
2240: fatal("Batch file already specified.");
2241:
2242: /* Allow "-" as stdin */
1.56 deraadt 2243: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2244: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2245: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2246: showprogress = 0;
1.143 djm 2247: quiet = batchmode = 1;
1.62 djm 2248: addargs(&args, "-obatchmode yes");
1.10 deraadt 2249: break;
1.111 djm 2250: case 'p':
2251: global_pflag = 1;
2252: break;
1.109 djm 2253: case 'D':
1.23 djm 2254: sftp_direct = optarg;
1.111 djm 2255: break;
1.126 djm 2256: case 'l':
2257: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2258: &errstr);
2259: if (errstr != NULL)
2260: usage();
2261: limit_kbps *= 1024; /* kbps */
2262: break;
1.111 djm 2263: case 'r':
2264: global_rflag = 1;
1.24 djm 2265: break;
1.26 djm 2266: case 'R':
2267: num_requests = strtol(optarg, &cp, 10);
2268: if (num_requests == 0 || *cp != '\0')
1.27 markus 2269: fatal("Invalid number of requests \"%s\"",
1.26 djm 2270: optarg);
1.108 djm 2271: break;
2272: case 's':
2273: sftp_server = optarg;
2274: break;
2275: case 'S':
2276: ssh_program = optarg;
2277: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2278: break;
1.3 djm 2279: case 'h':
2280: default:
1.1 djm 2281: usage();
2282: }
2283: }
1.45 djm 2284:
2285: if (!isatty(STDERR_FILENO))
2286: showprogress = 0;
1.1 djm 2287:
1.29 markus 2288: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2289:
1.23 djm 2290: if (sftp_direct == NULL) {
2291: if (optind == argc || argc > (optind + 2))
2292: usage();
2293:
2294: userhost = xstrdup(argv[optind]);
2295: file2 = argv[optind+1];
1.1 djm 2296:
1.32 markus 2297: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2298: host = userhost;
2299: else {
2300: *host++ = '\0';
2301: if (!userhost[0]) {
2302: fprintf(stderr, "Missing username\n");
2303: usage();
2304: }
1.115 guenther 2305: addargs(&args, "-l");
2306: addargs(&args, "%s", userhost);
1.41 djm 2307: }
2308:
2309: if ((cp = colon(host)) != NULL) {
2310: *cp++ = '\0';
2311: file1 = cp;
1.23 djm 2312: }
1.3 djm 2313:
1.23 djm 2314: host = cleanhostname(host);
2315: if (!*host) {
2316: fprintf(stderr, "Missing hostname\n");
1.1 djm 2317: usage();
2318: }
2319:
1.23 djm 2320: addargs(&args, "-oProtocol %d", sshver);
2321:
2322: /* no subsystem if the server-spec contains a '/' */
2323: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2324: addargs(&args, "-s");
2325:
1.115 guenther 2326: addargs(&args, "--");
1.23 djm 2327: addargs(&args, "%s", host);
1.27 markus 2328: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2329: sftp_server : "sftp"));
2330:
1.36 djm 2331: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2332: } else {
2333: args.list = NULL;
2334: addargs(&args, "sftp-server");
2335:
1.36 djm 2336: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2337: }
1.70 djm 2338: freeargs(&args);
1.1 djm 2339:
1.126 djm 2340: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2341: if (conn == NULL)
2342: fatal("Couldn't initialise connection to server");
2343:
1.143 djm 2344: if (!quiet) {
1.112 djm 2345: if (sftp_direct == NULL)
2346: fprintf(stderr, "Connected to %s.\n", host);
2347: else
2348: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2349: }
2350:
2351: err = interactive_loop(conn, file1, file2);
1.1 djm 2352:
2353: close(in);
2354: close(out);
1.39 djm 2355: if (batchmode)
1.10 deraadt 2356: fclose(infile);
1.1 djm 2357:
1.28 markus 2358: while (waitpid(sshpid, NULL, 0) == -1)
2359: if (errno != EINTR)
2360: fatal("Couldn't wait for ssh process: %s",
2361: strerror(errno));
1.1 djm 2362:
1.33 djm 2363: exit(err == 0 ? 0 : 1);
1.1 djm 2364: }
![[BACK]](/icons/back.gif){kind=icon}
Return to sftp.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / ssh