Annotation of src/usr.bin/ssh/sftp.c, Revision 1.225
1.225 ! djm 1: /* $OpenBSD: sftp.c,v 1.224 2022/12/16 06:52:48 jmc Exp $ */
1.1 djm 2: /*
1.42 djm 3: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 4: *
1.42 djm 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 djm 8: *
1.42 djm 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 16: */
17:
1.91 deraadt 18: #include <sys/types.h>
1.72 stevesk 19: #include <sys/ioctl.h>
1.73 stevesk 20: #include <sys/wait.h>
1.75 stevesk 21: #include <sys/stat.h>
1.83 stevesk 22: #include <sys/socket.h>
1.100 djm 23: #include <sys/statvfs.h>
1.44 djm 24:
1.97 djm 25: #include <ctype.h>
1.85 stevesk 26: #include <errno.h>
1.44 djm 27: #include <glob.h>
1.57 djm 28: #include <histedit.h>
1.71 stevesk 29: #include <paths.h>
1.111 djm 30: #include <libgen.h>
1.146 dtucker 31: #include <locale.h>
1.74 stevesk 32: #include <signal.h>
1.174 schwarze 33: #include <stdarg.h>
1.89 stevesk 34: #include <stdlib.h>
1.90 stevesk 35: #include <stdio.h>
1.87 stevesk 36: #include <string.h>
1.86 stevesk 37: #include <unistd.h>
1.170 deraadt 38: #include <limits.h>
1.100 djm 39: #include <util.h>
1.1 djm 40:
41: #include "xmalloc.h"
42: #include "log.h"
43: #include "pathnames.h"
1.16 mouring 44: #include "misc.h"
1.174 schwarze 45: #include "utf8.h"
1.1 djm 46:
47: #include "sftp.h"
1.169 djm 48: #include "ssherr.h"
49: #include "sshbuf.h"
1.1 djm 50: #include "sftp-common.h"
51: #include "sftp-client.h"
1.222 djm 52: #include "sftp-usergroup.h"
1.43 djm 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 */
1.185 bluhm 61: static volatile pid_t sshpid = -1;
1.7 markus 62:
1.209 djm 63: /* Suppress diagnostic messages */
1.143 djm 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:
1.159 logan 72: /* When this option is set, we resume download or upload if possible */
1.148 djm 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:
1.156 djm 78: /* When this option is set, transfers will have fsync() called on each file */
79: int global_fflag = 0;
80:
1.46 djm 81: /* SIGINT received during command processing */
82: volatile sig_atomic_t interrupted = 0;
83:
1.52 djm 84: /* I wish qsort() took a separate ctx for the comparison function...*/
85: int sort_flag;
1.180 djm 86: glob_t *sort_glob;
1.52 djm 87:
1.116 djm 88: /* Context used for commandline completion */
89: struct complete_ctx {
90: struct sftp_conn *conn;
91: char **remote_pathp;
92: };
93:
1.44 djm 94: int remote_glob(struct sftp_conn *, const char *, int,
95: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
96:
97: /* Separators for interactive commands */
98: #define WHITESPACE " \t\r\n"
99:
1.52 djm 100: /* ls flags */
1.119 djm 101: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
102: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
103: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
104: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
105: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
106: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
107: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
108: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
109: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 110:
1.119 djm 111: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 112: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 113:
114: /* Commands for interactive mode */
1.149 djm 115: enum sftp_command {
116: I_CHDIR = 1,
117: I_CHGRP,
118: I_CHMOD,
119: I_CHOWN,
1.214 djm 120: I_COPY,
1.149 djm 121: I_DF,
122: I_GET,
123: I_HELP,
124: I_LCHDIR,
125: I_LINK,
126: I_LLS,
127: I_LMKDIR,
128: I_LPWD,
129: I_LS,
130: I_LUMASK,
131: I_MKDIR,
132: I_PUT,
133: I_PWD,
134: I_QUIT,
1.160 logan 135: I_REGET,
1.149 djm 136: I_RENAME,
1.160 logan 137: I_REPUT,
1.149 djm 138: I_RM,
139: I_RMDIR,
140: I_SHELL,
141: I_SYMLINK,
142: I_VERSION,
143: I_PROGRESS,
144: };
1.44 djm 145:
146: struct CMD {
147: const char *c;
148: const int n;
1.220 djm 149: const int t; /* Completion type for the first argument */
150: const int t2; /* completion type for the optional second argument */
1.44 djm 151: };
152:
1.116 djm 153: /* Type of completion */
154: #define NOARGS 0
155: #define REMOTE 1
156: #define LOCAL 2
157:
1.44 djm 158: static const struct CMD cmds[] = {
1.220 djm 159: { "bye", I_QUIT, NOARGS, NOARGS },
160: { "cd", I_CHDIR, REMOTE, NOARGS },
161: { "chdir", I_CHDIR, REMOTE, NOARGS },
162: { "chgrp", I_CHGRP, REMOTE, NOARGS },
163: { "chmod", I_CHMOD, REMOTE, NOARGS },
164: { "chown", I_CHOWN, REMOTE, NOARGS },
165: { "copy", I_COPY, REMOTE, LOCAL },
166: { "cp", I_COPY, REMOTE, LOCAL },
167: { "df", I_DF, REMOTE, NOARGS },
168: { "dir", I_LS, REMOTE, NOARGS },
169: { "exit", I_QUIT, NOARGS, NOARGS },
170: { "get", I_GET, REMOTE, LOCAL },
171: { "help", I_HELP, NOARGS, NOARGS },
172: { "lcd", I_LCHDIR, LOCAL, NOARGS },
173: { "lchdir", I_LCHDIR, LOCAL, NOARGS },
174: { "lls", I_LLS, LOCAL, NOARGS },
175: { "lmkdir", I_LMKDIR, LOCAL, NOARGS },
176: { "ln", I_LINK, REMOTE, REMOTE },
177: { "lpwd", I_LPWD, LOCAL, NOARGS },
178: { "ls", I_LS, REMOTE, NOARGS },
179: { "lumask", I_LUMASK, NOARGS, NOARGS },
180: { "mkdir", I_MKDIR, REMOTE, NOARGS },
181: { "mget", I_GET, REMOTE, LOCAL },
182: { "mput", I_PUT, LOCAL, REMOTE },
183: { "progress", I_PROGRESS, NOARGS, NOARGS },
184: { "put", I_PUT, LOCAL, REMOTE },
185: { "pwd", I_PWD, REMOTE, NOARGS },
186: { "quit", I_QUIT, NOARGS, NOARGS },
187: { "reget", I_REGET, REMOTE, LOCAL },
188: { "rename", I_RENAME, REMOTE, REMOTE },
189: { "reput", I_REPUT, LOCAL, REMOTE },
190: { "rm", I_RM, REMOTE, NOARGS },
191: { "rmdir", I_RMDIR, REMOTE, NOARGS },
192: { "symlink", I_SYMLINK, REMOTE, REMOTE },
193: { "version", I_VERSION, NOARGS, NOARGS },
194: { "!", I_SHELL, NOARGS, NOARGS },
195: { "?", I_HELP, NOARGS, NOARGS },
196: { NULL, -1, -1, -1 }
1.44 djm 197: };
198:
1.96 stevesk 199: /* ARGSUSED */
1.44 djm 200: static void
1.46 djm 201: killchild(int signo)
202: {
1.196 djm 203: pid_t pid;
204:
205: pid = sshpid;
206: if (pid > 1) {
207: kill(pid, SIGTERM);
208: waitpid(pid, NULL, 0);
1.61 dtucker 209: }
1.46 djm 210:
211: _exit(1);
212: }
213:
1.96 stevesk 214: /* ARGSUSED */
1.46 djm 215: static void
1.177 millert 216: suspchild(int signo)
217: {
218: if (sshpid > 1) {
219: kill(sshpid, signo);
220: while (waitpid(sshpid, NULL, WUNTRACED) == -1 && errno == EINTR)
221: continue;
222: }
223: kill(getpid(), SIGSTOP);
224: }
225:
226: /* ARGSUSED */
227: static void
1.46 djm 228: cmd_interrupt(int signo)
229: {
230: const char msg[] = "\rInterrupt \n";
1.59 djm 231: int olderrno = errno;
1.46 djm 232:
1.144 dtucker 233: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 234: interrupted = 1;
1.59 djm 235: errno = olderrno;
1.46 djm 236: }
237:
1.211 schwarze 238: /* ARGSUSED */
239: static void
240: read_interrupt(int signo)
241: {
242: interrupted = 1;
243: }
244:
1.184 djm 245: /*ARGSUSED*/
246: static void
247: sigchld_handler(int sig)
248: {
249: int save_errno = errno;
250: pid_t pid;
251: const char msg[] = "\rConnection closed. \n";
252:
253: /* Report if ssh transport process dies. */
254: while ((pid = waitpid(sshpid, NULL, WNOHANG)) == -1 && errno == EINTR)
255: continue;
1.185 bluhm 256: if (pid == sshpid) {
1.225 ! djm 257: if (!quiet)
! 258: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.185 bluhm 259: sshpid = -1;
260: }
1.184 djm 261:
262: errno = save_errno;
263: }
264:
1.46 djm 265: static void
1.44 djm 266: help(void)
267: {
1.106 sobrado 268: printf("Available commands:\n"
269: "bye Quit sftp\n"
270: "cd path Change remote directory to 'path'\n"
1.189 djm 271: "chgrp [-h] grp path Change group of file 'path' to 'grp'\n"
272: "chmod [-h] mode path Change permissions of file 'path' to 'mode'\n"
273: "chown [-h] own path Change owner of file 'path' to 'own'\n"
1.214 djm 274: "copy oldpath newpath Copy remote file\n"
275: "cp oldpath newpath Copy remote file\n"
1.106 sobrado 276: "df [-hi] [path] Display statistics for current directory or\n"
277: " filesystem containing 'path'\n"
278: "exit Quit sftp\n"
1.193 jmc 279: "get [-afpR] remote [local] Download file\n"
1.106 sobrado 280: "help Display this help text\n"
281: "lcd path Change local directory to 'path'\n"
282: "lls [ls-options [path]] Display local directory listing\n"
283: "lmkdir path Create local directory\n"
1.132 djm 284: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 285: "lpwd Print local working directory\n"
1.121 jmc 286: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 287: "lumask umask Set local umask to 'umask'\n"
288: "mkdir path Create remote directory\n"
289: "progress Toggle display of progress meter\n"
1.193 jmc 290: "put [-afpR] local [remote] Upload file\n"
1.106 sobrado 291: "pwd Display remote working directory\n"
292: "quit Quit sftp\n"
1.193 jmc 293: "reget [-fpR] remote [local] Resume download file\n"
1.106 sobrado 294: "rename oldpath newpath Rename remote file\n"
1.193 jmc 295: "reput [-fpR] local [remote] Resume upload file\n"
1.106 sobrado 296: "rm path Delete remote file\n"
297: "rmdir path Remove remote directory\n"
298: "symlink oldpath newpath Symlink remote file\n"
299: "version Show SFTP version\n"
300: "!command Execute 'command' in local shell\n"
301: "! Escape to local shell\n"
302: "? Synonym for help\n");
1.44 djm 303: }
304:
305: static void
306: local_do_shell(const char *args)
307: {
308: int status;
309: char *shell;
310: pid_t pid;
311:
312: if (!*args)
313: args = NULL;
314:
1.130 djm 315: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 316: shell = _PATH_BSHELL;
317:
318: if ((pid = fork()) == -1)
319: fatal("Couldn't fork: %s", strerror(errno));
320:
321: if (pid == 0) {
322: /* XXX: child has pipe fds to ssh subproc open - issue? */
323: if (args) {
324: debug3("Executing %s -c \"%s\"", shell, args);
325: execl(shell, shell, "-c", args, (char *)NULL);
326: } else {
327: debug3("Executing %s", shell);
328: execl(shell, shell, (char *)NULL);
329: }
330: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
331: strerror(errno));
332: _exit(1);
333: }
334: while (waitpid(pid, &status, 0) == -1)
335: if (errno != EINTR)
336: fatal("Couldn't wait for child: %s", strerror(errno));
337: if (!WIFEXITED(status))
1.78 djm 338: error("Shell exited abnormally");
1.44 djm 339: else if (WEXITSTATUS(status))
340: error("Shell exited with status %d", WEXITSTATUS(status));
341: }
342:
343: static void
344: local_do_ls(const char *args)
345: {
346: if (!args || !*args)
347: local_do_shell(_PATH_LS);
348: else {
349: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
350: char *buf = xmalloc(len);
351:
352: /* XXX: quoting - rip quoting code from ftp? */
353: snprintf(buf, len, _PATH_LS " %s", args);
354: local_do_shell(buf);
1.145 djm 355: free(buf);
1.44 djm 356: }
357: }
358:
359: /* Strip one path (usually the pwd) from the start of another */
360: static char *
1.175 djm 361: path_strip(const char *path, const char *strip)
1.44 djm 362: {
363: size_t len;
364:
365: if (strip == NULL)
366: return (xstrdup(path));
367:
368: len = strlen(strip);
1.59 djm 369: if (strncmp(path, strip, len) == 0) {
1.44 djm 370: if (strip[len - 1] != '/' && path[len] == '/')
371: len++;
372: return (xstrdup(path + len));
373: }
374:
375: return (xstrdup(path));
376: }
377:
378: static int
1.148 djm 379: parse_getput_flags(const char *cmd, char **argv, int argc,
1.156 djm 380: int *aflag, int *fflag, int *pflag, int *rflag)
1.44 djm 381: {
1.102 martynas 382: extern int opterr, optind, optopt, optreset;
1.97 djm 383: int ch;
1.44 djm 384:
1.97 djm 385: optind = optreset = 1;
386: opterr = 0;
387:
1.156 djm 388: *aflag = *fflag = *rflag = *pflag = 0;
389: while ((ch = getopt(argc, argv, "afPpRr")) != -1) {
1.97 djm 390: switch (ch) {
1.148 djm 391: case 'a':
392: *aflag = 1;
393: break;
1.156 djm 394: case 'f':
395: *fflag = 1;
396: break;
1.44 djm 397: case 'p':
398: case 'P':
399: *pflag = 1;
400: break;
1.111 djm 401: case 'r':
402: case 'R':
403: *rflag = 1;
404: break;
1.44 djm 405: default:
1.102 martynas 406: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 407: return -1;
1.44 djm 408: }
409: }
410:
1.97 djm 411: return optind;
1.44 djm 412: }
413:
414: static int
1.132 djm 415: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
416: {
417: extern int opterr, optind, optopt, optreset;
418: int ch;
419:
420: optind = optreset = 1;
421: opterr = 0;
422:
423: *sflag = 0;
424: while ((ch = getopt(argc, argv, "s")) != -1) {
425: switch (ch) {
426: case 's':
427: *sflag = 1;
428: break;
429: default:
430: error("%s: Invalid flag -%c", cmd, optopt);
431: return -1;
432: }
433: }
434:
435: return optind;
436: }
437:
438: static int
1.152 djm 439: parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag)
440: {
441: extern int opterr, optind, optopt, optreset;
442: int ch;
443:
444: optind = optreset = 1;
445: opterr = 0;
446:
447: *lflag = 0;
448: while ((ch = getopt(argc, argv, "l")) != -1) {
449: switch (ch) {
450: case 'l':
451: *lflag = 1;
452: break;
453: default:
454: error("%s: Invalid flag -%c", cmd, optopt);
455: return -1;
456: }
457: }
458:
459: return optind;
460: }
461:
462: static int
1.97 djm 463: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 464: {
1.102 martynas 465: extern int opterr, optind, optopt, optreset;
1.97 djm 466: int ch;
467:
468: optind = optreset = 1;
469: opterr = 0;
1.44 djm 470:
1.53 djm 471: *lflag = LS_NAME_SORT;
1.119 djm 472: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 473: switch (ch) {
474: case '1':
475: *lflag &= ~VIEW_FLAGS;
476: *lflag |= LS_SHORT_VIEW;
477: break;
478: case 'S':
479: *lflag &= ~SORT_FLAGS;
480: *lflag |= LS_SIZE_SORT;
481: break;
482: case 'a':
483: *lflag |= LS_SHOW_ALL;
484: break;
485: case 'f':
486: *lflag &= ~SORT_FLAGS;
487: break;
1.119 djm 488: case 'h':
489: *lflag |= LS_SI_UNITS;
490: break;
1.97 djm 491: case 'l':
1.119 djm 492: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 493: *lflag |= LS_LONG_VIEW;
494: break;
495: case 'n':
1.119 djm 496: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 497: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
498: break;
499: case 'r':
500: *lflag |= LS_REVERSE_SORT;
501: break;
502: case 't':
503: *lflag &= ~SORT_FLAGS;
504: *lflag |= LS_TIME_SORT;
505: break;
506: default:
1.102 martynas 507: error("ls: Invalid flag -%c", optopt);
1.97 djm 508: return -1;
1.44 djm 509: }
510: }
511:
1.97 djm 512: return optind;
1.44 djm 513: }
514:
515: static int
1.100 djm 516: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
517: {
1.102 martynas 518: extern int opterr, optind, optopt, optreset;
1.100 djm 519: int ch;
520:
521: optind = optreset = 1;
522: opterr = 0;
523:
524: *hflag = *iflag = 0;
525: while ((ch = getopt(argc, argv, "hi")) != -1) {
526: switch (ch) {
527: case 'h':
528: *hflag = 1;
529: break;
530: case 'i':
531: *iflag = 1;
532: break;
533: default:
1.102 martynas 534: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 535: return -1;
536: }
537: }
538:
539: return optind;
540: }
541:
542: static int
1.189 djm 543: parse_ch_flags(const char *cmd, char **argv, int argc, int *hflag)
544: {
545: extern int opterr, optind, optopt, optreset;
546: int ch;
547:
548: optind = optreset = 1;
549: opterr = 0;
550:
551: *hflag = 0;
552: while ((ch = getopt(argc, argv, "h")) != -1) {
553: switch (ch) {
554: case 'h':
555: *hflag = 1;
556: break;
557: default:
558: error("%s: Invalid flag -%c", cmd, optopt);
559: return -1;
560: }
561: }
562:
563: return optind;
564: }
565:
566: static int
1.153 djm 567: parse_no_flags(const char *cmd, char **argv, int argc)
568: {
569: extern int opterr, optind, optopt, optreset;
570: int ch;
571:
572: optind = optreset = 1;
573: opterr = 0;
574:
575: while ((ch = getopt(argc, argv, "")) != -1) {
576: switch (ch) {
577: default:
578: error("%s: Invalid flag -%c", cmd, optopt);
579: return -1;
580: }
581: }
582:
583: return optind;
584: }
585:
1.215 djm 586: static char *
587: escape_glob(const char *s)
588: {
589: size_t i, o, len;
590: char *ret;
591:
592: len = strlen(s);
593: ret = xcalloc(2, len + 1);
594: for (i = o = 0; i < len; i++) {
595: if (strchr("[]?*\\", s[i]) != NULL)
596: ret[o++] = '\\';
597: ret[o++] = s[i];
598: }
599: ret[o++] = '\0';
600: return ret;
601: }
602:
603: static char *
604: make_absolute_pwd_glob(const char *p, const char *pwd)
605: {
606: char *ret, *escpwd;
607:
608: escpwd = escape_glob(pwd);
609: if (p == NULL)
610: return escpwd;
611: ret = make_absolute(xstrdup(p), escpwd);
612: free(escpwd);
613: return ret;
614: }
615:
1.153 djm 616: static int
1.175 djm 617: process_get(struct sftp_conn *conn, const char *src, const char *dst,
618: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 619: {
1.215 djm 620: char *filename, *abs_src = NULL, *abs_dst = NULL, *tmp = NULL;
1.44 djm 621: glob_t g;
1.164 djm 622: int i, r, err = 0;
1.44 djm 623:
1.215 djm 624: abs_src = make_absolute_pwd_glob(src, pwd);
1.111 djm 625: memset(&g, 0, sizeof(g));
1.44 djm 626:
627: debug3("Looking up %s", abs_src);
1.164 djm 628: if ((r = remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) != 0) {
629: if (r == GLOB_NOSPACE) {
630: error("Too many matches for \"%s\".", abs_src);
631: } else {
632: error("File \"%s\" not found.", abs_src);
633: }
1.44 djm 634: err = -1;
635: goto out;
636: }
637:
1.111 djm 638: /*
639: * If multiple matches then dst must be a directory or
640: * unspecified.
641: */
1.205 djm 642: if (g.gl_matchc > 1 && dst != NULL && !local_is_dir(dst)) {
1.111 djm 643: error("Multiple source paths, but destination "
644: "\"%s\" is not a directory", dst);
1.44 djm 645: err = -1;
646: goto out;
647: }
648:
1.46 djm 649: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 650: tmp = xstrdup(g.gl_pathv[i]);
651: if ((filename = basename(tmp)) == NULL) {
652: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 653: free(tmp);
1.44 djm 654: err = -1;
655: goto out;
656: }
657:
658: if (g.gl_matchc == 1 && dst) {
1.205 djm 659: if (local_is_dir(dst)) {
1.111 djm 660: abs_dst = path_append(dst, filename);
661: } else {
1.44 djm 662: abs_dst = xstrdup(dst);
1.111 djm 663: }
1.44 djm 664: } else if (dst) {
1.111 djm 665: abs_dst = path_append(dst, filename);
666: } else {
667: abs_dst = xstrdup(filename);
668: }
1.145 djm 669: free(tmp);
1.44 djm 670:
1.148 djm 671: resume |= global_aflag;
672: if (!quiet && resume)
1.174 schwarze 673: mprintf("Resuming %s to %s\n",
674: g.gl_pathv[i], abs_dst);
1.148 djm 675: else if (!quiet && !resume)
1.174 schwarze 676: mprintf("Fetching %s to %s\n",
677: g.gl_pathv[i], abs_dst);
1.210 djm 678: /* XXX follow link flag */
1.205 djm 679: if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 680: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 681: pflag || global_pflag, 1, resume,
1.216 djm 682: fflag || global_fflag, 0, 0) == -1)
1.111 djm 683: err = -1;
684: } else {
685: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 686: pflag || global_pflag, resume,
1.216 djm 687: fflag || global_fflag, 0) == -1)
1.111 djm 688: err = -1;
689: }
1.145 djm 690: free(abs_dst);
1.44 djm 691: abs_dst = NULL;
692: }
693:
694: out:
1.145 djm 695: free(abs_src);
1.44 djm 696: globfree(&g);
697: return(err);
698: }
699:
700: static int
1.175 djm 701: process_put(struct sftp_conn *conn, const char *src, const char *dst,
702: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 703: {
704: char *tmp_dst = NULL;
705: char *abs_dst = NULL;
1.111 djm 706: char *tmp = NULL, *filename = NULL;
1.44 djm 707: glob_t g;
708: int err = 0;
1.111 djm 709: int i, dst_is_dir = 1;
1.99 djm 710: struct stat sb;
1.44 djm 711:
712: if (dst) {
713: tmp_dst = xstrdup(dst);
714: tmp_dst = make_absolute(tmp_dst, pwd);
715: }
716:
717: memset(&g, 0, sizeof(g));
718: debug3("Looking up %s", src);
1.111 djm 719: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 720: error("File \"%s\" not found.", src);
721: err = -1;
722: goto out;
723: }
724:
1.111 djm 725: /* If we aren't fetching to pwd then stash this status for later */
726: if (tmp_dst != NULL)
727: dst_is_dir = remote_is_dir(conn, tmp_dst);
728:
1.44 djm 729: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 730: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
731: error("Multiple paths match, but destination "
732: "\"%s\" is not a directory", tmp_dst);
1.44 djm 733: err = -1;
734: goto out;
735: }
736:
1.46 djm 737: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 738: if (stat(g.gl_pathv[i], &sb) == -1) {
739: err = -1;
740: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
741: continue;
742: }
1.149 djm 743:
1.111 djm 744: tmp = xstrdup(g.gl_pathv[i]);
745: if ((filename = basename(tmp)) == NULL) {
746: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 747: free(tmp);
1.44 djm 748: err = -1;
749: goto out;
750: }
751:
752: if (g.gl_matchc == 1 && tmp_dst) {
753: /* If directory specified, append filename */
1.111 djm 754: if (dst_is_dir)
755: abs_dst = path_append(tmp_dst, filename);
756: else
1.44 djm 757: abs_dst = xstrdup(tmp_dst);
758: } else if (tmp_dst) {
1.111 djm 759: abs_dst = path_append(tmp_dst, filename);
760: } else {
761: abs_dst = make_absolute(xstrdup(filename), pwd);
762: }
1.145 djm 763: free(tmp);
1.44 djm 764:
1.208 djm 765: resume |= global_aflag;
1.159 logan 766: if (!quiet && resume)
1.174 schwarze 767: mprintf("Resuming upload of %s to %s\n",
768: g.gl_pathv[i], abs_dst);
1.159 logan 769: else if (!quiet && !resume)
1.174 schwarze 770: mprintf("Uploading %s to %s\n",
771: g.gl_pathv[i], abs_dst);
1.210 djm 772: /* XXX follow_link_flag */
1.205 djm 773: if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.111 djm 774: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.159 logan 775: pflag || global_pflag, 1, resume,
1.216 djm 776: fflag || global_fflag, 0, 0) == -1)
1.111 djm 777: err = -1;
778: } else {
779: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.159 logan 780: pflag || global_pflag, resume,
1.216 djm 781: fflag || global_fflag, 0) == -1)
1.111 djm 782: err = -1;
783: }
1.44 djm 784: }
785:
786: out:
1.145 djm 787: free(abs_dst);
788: free(tmp_dst);
1.44 djm 789: globfree(&g);
790: return(err);
791: }
792:
793: static int
794: sdirent_comp(const void *aa, const void *bb)
795: {
796: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
797: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 798: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 799:
1.52 djm 800: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 801: if (sort_flag & LS_NAME_SORT)
1.52 djm 802: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 803: else if (sort_flag & LS_TIME_SORT)
1.52 djm 804: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 805: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 806: return (rmul * NCMP(a->a.size, b->a.size));
807:
808: fatal("Unknown ls sort type");
1.44 djm 809: }
810:
811: /* sftp ls.1 replacement for directories */
812: static int
1.175 djm 813: do_ls_dir(struct sftp_conn *conn, const char *path,
814: const char *strip_path, int lflag)
1.44 djm 815: {
1.64 djm 816: int n;
817: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 818: SFTP_DIRENT **d;
819:
820: if ((n = do_readdir(conn, path, &d)) != 0)
821: return (n);
822:
1.53 djm 823: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 824: u_int m = 0, width = 80;
1.44 djm 825: struct winsize ws;
826: char *tmp;
827:
828: /* Count entries for sort and find longest filename */
1.54 djm 829: for (n = 0; d[n] != NULL; n++) {
830: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
1.176 deraadt 831: m = MAXIMUM(m, strlen(d[n]->filename));
1.54 djm 832: }
1.44 djm 833:
834: /* Add any subpath that also needs to be counted */
835: tmp = path_strip(path, strip_path);
836: m += strlen(tmp);
1.145 djm 837: free(tmp);
1.44 djm 838:
839: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
840: width = ws.ws_col;
841:
842: columns = width / (m + 2);
1.176 deraadt 843: columns = MAXIMUM(columns, 1);
1.44 djm 844: colspace = width / columns;
1.176 deraadt 845: colspace = MINIMUM(colspace, width);
1.44 djm 846: }
847:
1.52 djm 848: if (lflag & SORT_FLAGS) {
1.68 dtucker 849: for (n = 0; d[n] != NULL; n++)
850: ; /* count entries */
1.53 djm 851: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 852: qsort(d, n, sizeof(*d), sdirent_comp);
853: }
1.44 djm 854:
1.222 djm 855: get_remote_user_groups_from_dirents(conn, d);
1.46 djm 856: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 857: char *tmp, *fname;
1.54 djm 858:
859: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
860: continue;
1.44 djm 861:
862: tmp = path_append(path, d[n]->filename);
863: fname = path_strip(tmp, strip_path);
1.145 djm 864: free(tmp);
1.44 djm 865:
1.53 djm 866: if (lflag & LS_LONG_VIEW) {
1.222 djm 867: if ((lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) != 0 ||
868: can_get_users_groups_by_id(conn)) {
1.50 djm 869: char *lname;
870: struct stat sb;
871:
872: memset(&sb, 0, sizeof(sb));
873: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 874: lname = ls_file(fname, &sb, 1,
1.222 djm 875: (lflag & LS_SI_UNITS),
876: ruser_name(sb.st_uid),
877: rgroup_name(sb.st_gid));
1.174 schwarze 878: mprintf("%s\n", lname);
1.145 djm 879: free(lname);
1.50 djm 880: } else
1.174 schwarze 881: mprintf("%s\n", d[n]->longname);
1.44 djm 882: } else {
1.174 schwarze 883: mprintf("%-*s", colspace, fname);
1.44 djm 884: if (c >= columns) {
885: printf("\n");
886: c = 1;
887: } else
888: c++;
889: }
890:
1.145 djm 891: free(fname);
1.44 djm 892: }
893:
1.53 djm 894: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 895: printf("\n");
896:
897: free_sftp_dirents(d);
898: return (0);
899: }
900:
1.180 djm 901: static int
902: sglob_comp(const void *aa, const void *bb)
903: {
904: u_int a = *(const u_int *)aa;
905: u_int b = *(const u_int *)bb;
906: const char *ap = sort_glob->gl_pathv[a];
907: const char *bp = sort_glob->gl_pathv[b];
908: const struct stat *as = sort_glob->gl_statv[a];
909: const struct stat *bs = sort_glob->gl_statv[b];
910: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
911:
912: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
913: if (sort_flag & LS_NAME_SORT)
914: return (rmul * strcmp(ap, bp));
1.206 djm 915: else if (sort_flag & LS_TIME_SORT) {
916: if (timespeccmp(&as->st_mtim, &bs->st_mtim, ==))
917: return 0;
918: return timespeccmp(&as->st_mtim, &bs->st_mtim, <) ?
919: rmul : -rmul;
920: } else if (sort_flag & LS_SIZE_SORT)
1.180 djm 921: return (rmul * NCMP(as->st_size, bs->st_size));
922:
923: fatal("Unknown ls sort type");
924: }
925:
1.44 djm 926: /* sftp ls.1 replacement which handles path globs */
927: static int
1.175 djm 928: do_globbed_ls(struct sftp_conn *conn, const char *path,
929: const char *strip_path, int lflag)
1.44 djm 930: {
1.129 djm 931: char *fname, *lname;
1.44 djm 932: glob_t g;
1.164 djm 933: int err, r;
1.129 djm 934: struct winsize ws;
1.180 djm 935: u_int i, j, nentries, *indices = NULL, c = 1;
936: u_int colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 937:
938: memset(&g, 0, sizeof(g));
939:
1.164 djm 940: if ((r = remote_glob(conn, path,
1.133 djm 941: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
1.164 djm 942: NULL, &g)) != 0 ||
1.128 djm 943: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 944: if (g.gl_pathc)
945: globfree(&g);
1.164 djm 946: if (r == GLOB_NOSPACE) {
947: error("Can't ls: Too many matches for \"%s\"", path);
948: } else {
949: error("Can't ls: \"%s\" not found", path);
950: }
1.128 djm 951: return -1;
1.44 djm 952: }
953:
1.46 djm 954: if (interrupted)
955: goto out;
956:
1.44 djm 957: /*
1.60 fgsch 958: * If the glob returns a single match and it is a directory,
959: * then just list its contents.
1.44 djm 960: */
1.128 djm 961: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
962: S_ISDIR(g.gl_statv[0]->st_mode)) {
963: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
964: globfree(&g);
965: return err;
1.44 djm 966: }
967:
1.129 djm 968: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
969: width = ws.ws_col;
970:
1.53 djm 971: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 972: /* Count entries for sort and find longest filename */
973: for (i = 0; g.gl_pathv[i]; i++)
1.176 deraadt 974: m = MAXIMUM(m, strlen(g.gl_pathv[i]));
1.44 djm 975:
976: columns = width / (m + 2);
1.176 deraadt 977: columns = MAXIMUM(columns, 1);
1.44 djm 978: colspace = width / columns;
979: }
980:
1.180 djm 981: /*
982: * Sorting: rather than mess with the contents of glob_t, prepare
983: * an array of indices into it and sort that. For the usual
984: * unsorted case, the indices are just the identity 1=1, 2=2, etc.
985: */
986: for (nentries = 0; g.gl_pathv[nentries] != NULL; nentries++)
987: ; /* count entries */
988: indices = calloc(nentries, sizeof(*indices));
989: for (i = 0; i < nentries; i++)
990: indices[i] = i;
991:
992: if (lflag & SORT_FLAGS) {
993: sort_glob = &g;
994: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
995: qsort(indices, nentries, sizeof(*indices), sglob_comp);
996: sort_glob = NULL;
997: }
998:
1.222 djm 999: get_remote_user_groups_from_glob(conn, &g);
1.180 djm 1000: for (j = 0; j < nentries && !interrupted; j++) {
1001: i = indices[j];
1.44 djm 1002: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 1003: if (lflag & LS_LONG_VIEW) {
1.128 djm 1004: if (g.gl_statv[i] == NULL) {
1005: error("no stat information for %s", fname);
1006: continue;
1007: }
1008: lname = ls_file(fname, g.gl_statv[i], 1,
1.222 djm 1009: (lflag & LS_SI_UNITS),
1010: ruser_name(g.gl_statv[i]->st_uid),
1011: rgroup_name(g.gl_statv[i]->st_gid));
1.174 schwarze 1012: mprintf("%s\n", lname);
1.145 djm 1013: free(lname);
1.44 djm 1014: } else {
1.174 schwarze 1015: mprintf("%-*s", colspace, fname);
1.44 djm 1016: if (c >= columns) {
1017: printf("\n");
1018: c = 1;
1019: } else
1020: c++;
1021: }
1.145 djm 1022: free(fname);
1.44 djm 1023: }
1024:
1.53 djm 1025: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 1026: printf("\n");
1027:
1.46 djm 1028: out:
1.44 djm 1029: if (g.gl_pathc)
1030: globfree(&g);
1.180 djm 1031: free(indices);
1.44 djm 1032:
1.128 djm 1033: return 0;
1.44 djm 1034: }
1035:
1.100 djm 1036: static int
1.175 djm 1037: do_df(struct sftp_conn *conn, const char *path, int hflag, int iflag)
1.100 djm 1038: {
1.101 dtucker 1039: struct sftp_statvfs st;
1.178 djm 1040: char s_used[FMT_SCALED_STRSIZE], s_avail[FMT_SCALED_STRSIZE];
1041: char s_root[FMT_SCALED_STRSIZE], s_total[FMT_SCALED_STRSIZE];
1042: char s_icapacity[16], s_dcapacity[16];
1.100 djm 1043:
1044: if (do_statvfs(conn, path, &st, 1) == -1)
1045: return -1;
1.178 djm 1046: if (st.f_files == 0)
1047: strlcpy(s_icapacity, "ERR", sizeof(s_icapacity));
1048: else {
1049: snprintf(s_icapacity, sizeof(s_icapacity), "%3llu%%",
1050: (unsigned long long)(100 * (st.f_files - st.f_ffree) /
1051: st.f_files));
1052: }
1053: if (st.f_blocks == 0)
1054: strlcpy(s_dcapacity, "ERR", sizeof(s_dcapacity));
1055: else {
1056: snprintf(s_dcapacity, sizeof(s_dcapacity), "%3llu%%",
1057: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
1058: st.f_blocks));
1059: }
1.100 djm 1060: if (iflag) {
1061: printf(" Inodes Used Avail "
1062: "(root) %%Capacity\n");
1.178 djm 1063: printf("%11llu %11llu %11llu %11llu %s\n",
1.100 djm 1064: (unsigned long long)st.f_files,
1065: (unsigned long long)(st.f_files - st.f_ffree),
1066: (unsigned long long)st.f_favail,
1.178 djm 1067: (unsigned long long)st.f_ffree, s_icapacity);
1.100 djm 1068: } else if (hflag) {
1069: strlcpy(s_used, "error", sizeof(s_used));
1070: strlcpy(s_avail, "error", sizeof(s_avail));
1071: strlcpy(s_root, "error", sizeof(s_root));
1072: strlcpy(s_total, "error", sizeof(s_total));
1073: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
1074: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
1075: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
1076: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
1077: printf(" Size Used Avail (root) %%Capacity\n");
1.178 djm 1078: printf("%7sB %7sB %7sB %7sB %s\n",
1079: s_total, s_used, s_avail, s_root, s_dcapacity);
1.100 djm 1080: } else {
1081: printf(" Size Used Avail "
1082: "(root) %%Capacity\n");
1.178 djm 1083: printf("%12llu %12llu %12llu %12llu %s\n",
1.100 djm 1084: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
1085: (unsigned long long)(st.f_frsize *
1086: (st.f_blocks - st.f_bfree) / 1024),
1087: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
1088: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
1.178 djm 1089: s_dcapacity);
1.100 djm 1090: }
1091: return 0;
1092: }
1093:
1.97 djm 1094: /*
1095: * Undo escaping of glob sequences in place. Used to undo extra escaping
1096: * applied in makeargv() when the string is destined for a function that
1097: * does not glob it.
1098: */
1099: static void
1100: undo_glob_escape(char *s)
1101: {
1102: size_t i, j;
1103:
1104: for (i = j = 0;;) {
1105: if (s[i] == '\0') {
1106: s[j] = '\0';
1107: return;
1108: }
1109: if (s[i] != '\\') {
1110: s[j++] = s[i++];
1111: continue;
1112: }
1113: /* s[i] == '\\' */
1114: ++i;
1115: switch (s[i]) {
1116: case '?':
1117: case '[':
1118: case '*':
1119: case '\\':
1120: s[j++] = s[i++];
1121: break;
1122: case '\0':
1123: s[j++] = '\\';
1124: s[j] = '\0';
1125: return;
1126: default:
1127: s[j++] = '\\';
1128: s[j++] = s[i++];
1129: break;
1130: }
1131: }
1132: }
1133:
1134: /*
1135: * Split a string into an argument vector using sh(1)-style quoting,
1136: * comment and escaping rules, but with some tweaks to handle glob(3)
1137: * wildcards.
1.116 djm 1138: * The "sloppy" flag allows for recovery from missing terminating quote, for
1139: * use in parsing incomplete commandlines during tab autocompletion.
1140: *
1.97 djm 1141: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1142: *
1143: * If "lastquote" is not NULL, the quoting character used for the last
1144: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1145: *
1.116 djm 1146: * If "terminated" is not NULL, *terminated will be set to 1 when the
1147: * last argument's quote has been properly terminated or 0 otherwise.
1148: * This parameter is only of use if "sloppy" is set.
1.97 djm 1149: */
1.204 djm 1150: #define MAXARGS 128
1.97 djm 1151: #define MAXARGLEN 8192
1152: static char **
1.116 djm 1153: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1154: u_int *terminated)
1.97 djm 1155: {
1156: int argc, quot;
1157: size_t i, j;
1158: static char argvs[MAXARGLEN];
1159: static char *argv[MAXARGS + 1];
1160: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1161:
1162: *argcp = argc = 0;
1163: if (strlen(arg) > sizeof(argvs) - 1) {
1164: args_too_longs:
1165: error("string too long");
1166: return NULL;
1167: }
1.116 djm 1168: if (terminated != NULL)
1169: *terminated = 1;
1170: if (lastquote != NULL)
1171: *lastquote = '\0';
1.97 djm 1172: state = MA_START;
1173: i = j = 0;
1174: for (;;) {
1.141 markus 1175: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1176: error("Too many arguments.");
1177: return NULL;
1178: }
1.158 deraadt 1179: if (isspace((unsigned char)arg[i])) {
1.97 djm 1180: if (state == MA_UNQUOTED) {
1181: /* Terminate current argument */
1182: argvs[j++] = '\0';
1183: argc++;
1184: state = MA_START;
1185: } else if (state != MA_START)
1186: argvs[j++] = arg[i];
1187: } else if (arg[i] == '"' || arg[i] == '\'') {
1188: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1189: if (state == MA_START) {
1190: argv[argc] = argvs + j;
1191: state = q;
1.116 djm 1192: if (lastquote != NULL)
1193: *lastquote = arg[i];
1.149 djm 1194: } else if (state == MA_UNQUOTED)
1.97 djm 1195: state = q;
1196: else if (state == q)
1197: state = MA_UNQUOTED;
1198: else
1199: argvs[j++] = arg[i];
1200: } else if (arg[i] == '\\') {
1201: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1202: quot = state == MA_SQUOTE ? '\'' : '"';
1203: /* Unescape quote we are in */
1204: /* XXX support \n and friends? */
1205: if (arg[i + 1] == quot) {
1206: i++;
1207: argvs[j++] = arg[i];
1208: } else if (arg[i + 1] == '?' ||
1209: arg[i + 1] == '[' || arg[i + 1] == '*') {
1210: /*
1211: * Special case for sftp: append
1212: * double-escaped glob sequence -
1213: * glob will undo one level of
1214: * escaping. NB. string can grow here.
1215: */
1216: if (j >= sizeof(argvs) - 5)
1217: goto args_too_longs;
1218: argvs[j++] = '\\';
1219: argvs[j++] = arg[i++];
1220: argvs[j++] = '\\';
1221: argvs[j++] = arg[i];
1222: } else {
1223: argvs[j++] = arg[i++];
1224: argvs[j++] = arg[i];
1225: }
1226: } else {
1227: if (state == MA_START) {
1228: argv[argc] = argvs + j;
1229: state = MA_UNQUOTED;
1.116 djm 1230: if (lastquote != NULL)
1231: *lastquote = '\0';
1.97 djm 1232: }
1233: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1234: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1235: /*
1236: * Special case for sftp: append
1237: * escaped glob sequence -
1238: * glob will undo one level of
1239: * escaping.
1240: */
1241: argvs[j++] = arg[i++];
1242: argvs[j++] = arg[i];
1243: } else {
1244: /* Unescape everything */
1245: /* XXX support \n and friends? */
1246: i++;
1247: argvs[j++] = arg[i];
1248: }
1249: }
1250: } else if (arg[i] == '#') {
1251: if (state == MA_SQUOTE || state == MA_DQUOTE)
1252: argvs[j++] = arg[i];
1253: else
1254: goto string_done;
1255: } else if (arg[i] == '\0') {
1256: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1257: if (sloppy) {
1258: state = MA_UNQUOTED;
1259: if (terminated != NULL)
1260: *terminated = 0;
1261: goto string_done;
1262: }
1.97 djm 1263: error("Unterminated quoted argument");
1264: return NULL;
1265: }
1266: string_done:
1267: if (state == MA_UNQUOTED) {
1268: argvs[j++] = '\0';
1269: argc++;
1270: }
1271: break;
1272: } else {
1273: if (state == MA_START) {
1274: argv[argc] = argvs + j;
1275: state = MA_UNQUOTED;
1.116 djm 1276: if (lastquote != NULL)
1277: *lastquote = '\0';
1.97 djm 1278: }
1279: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1280: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1281: /*
1282: * Special case for sftp: escape quoted
1283: * glob(3) wildcards. NB. string can grow
1284: * here.
1285: */
1286: if (j >= sizeof(argvs) - 3)
1287: goto args_too_longs;
1288: argvs[j++] = '\\';
1289: argvs[j++] = arg[i];
1290: } else
1291: argvs[j++] = arg[i];
1292: }
1293: i++;
1294: }
1295: *argcp = argc;
1296: return argv;
1297: }
1298:
1.44 djm 1299: static int
1.187 djm 1300: parse_args(const char **cpp, int *ignore_errors, int *disable_echo, int *aflag,
1.173 djm 1301: int *fflag, int *hflag, int *iflag, int *lflag, int *pflag,
1.159 logan 1302: int *rflag, int *sflag,
1.156 djm 1303: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1304: {
1305: const char *cmd, *cp = *cpp;
1.97 djm 1306: char *cp2, **argv;
1.44 djm 1307: int base = 0;
1.202 dtucker 1308: long long ll;
1.182 djm 1309: int path1_mandatory = 0, i, cmdnum, optidx, argc;
1.44 djm 1310:
1311: /* Skip leading whitespace */
1312: cp = cp + strspn(cp, WHITESPACE);
1313:
1.187 djm 1314: /*
1315: * Check for leading '-' (disable error processing) and '@' (suppress
1316: * command echo)
1317: */
1.156 djm 1318: *ignore_errors = 0;
1.187 djm 1319: *disable_echo = 0;
1320: for (;*cp != '\0'; cp++) {
1321: if (*cp == '-') {
1322: *ignore_errors = 1;
1323: } else if (*cp == '@') {
1324: *disable_echo = 1;
1325: } else {
1326: /* all other characters terminate prefix processing */
1327: break;
1328: }
1.44 djm 1329: }
1.187 djm 1330: cp = cp + strspn(cp, WHITESPACE);
1.118 dtucker 1331:
1332: /* Ignore blank lines and lines which begin with comment '#' char */
1333: if (*cp == '\0' || *cp == '#')
1334: return (0);
1.44 djm 1335:
1.116 djm 1336: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1337: return -1;
1338:
1.44 djm 1339: /* Figure out which command we have */
1.97 djm 1340: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1341: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1342: break;
1343: }
1344: cmdnum = cmds[i].n;
1345: cmd = cmds[i].c;
1346:
1347: /* Special case */
1348: if (*cp == '!') {
1349: cp++;
1350: cmdnum = I_SHELL;
1351: } else if (cmdnum == -1) {
1352: error("Invalid command.");
1.97 djm 1353: return -1;
1.44 djm 1354: }
1355:
1356: /* Get arguments and parse flags */
1.156 djm 1357: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1358: *rflag = *sflag = 0;
1.44 djm 1359: *path1 = *path2 = NULL;
1.97 djm 1360: optidx = 1;
1.44 djm 1361: switch (cmdnum) {
1362: case I_GET:
1.148 djm 1363: case I_REGET:
1.159 logan 1364: case I_REPUT:
1.44 djm 1365: case I_PUT:
1.132 djm 1366: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1367: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1368: return -1;
1.44 djm 1369: /* Get first pathname (mandatory) */
1.97 djm 1370: if (argc - optidx < 1) {
1.44 djm 1371: error("You must specify at least one path after a "
1372: "%s command.", cmd);
1.97 djm 1373: return -1;
1374: }
1375: *path1 = xstrdup(argv[optidx]);
1376: /* Get second pathname (optional) */
1377: if (argc - optidx > 1) {
1378: *path2 = xstrdup(argv[optidx + 1]);
1379: /* Destination is not globbed */
1380: undo_glob_escape(*path2);
1.44 djm 1381: }
1382: break;
1.132 djm 1383: case I_LINK:
1384: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1385: return -1;
1.152 djm 1386: goto parse_two_paths;
1.214 djm 1387: case I_COPY:
1388: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1389: return -1;
1390: goto parse_two_paths;
1.152 djm 1391: case I_RENAME:
1392: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1393: return -1;
1394: goto parse_two_paths;
1.132 djm 1395: case I_SYMLINK:
1.153 djm 1396: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1397: return -1;
1.152 djm 1398: parse_two_paths:
1.97 djm 1399: if (argc - optidx < 2) {
1.44 djm 1400: error("You must specify two paths after a %s "
1401: "command.", cmd);
1.97 djm 1402: return -1;
1.44 djm 1403: }
1.97 djm 1404: *path1 = xstrdup(argv[optidx]);
1405: *path2 = xstrdup(argv[optidx + 1]);
1406: /* Paths are not globbed */
1407: undo_glob_escape(*path1);
1408: undo_glob_escape(*path2);
1.44 djm 1409: break;
1410: case I_RM:
1411: case I_MKDIR:
1412: case I_RMDIR:
1.182 djm 1413: case I_LMKDIR:
1414: path1_mandatory = 1;
1415: /* FALLTHROUGH */
1.44 djm 1416: case I_CHDIR:
1417: case I_LCHDIR:
1.153 djm 1418: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1419: return -1;
1.44 djm 1420: /* Get pathname (mandatory) */
1.97 djm 1421: if (argc - optidx < 1) {
1.182 djm 1422: if (!path1_mandatory)
1423: break; /* return a NULL path1 */
1.44 djm 1424: error("You must specify a path after a %s command.",
1425: cmd);
1.97 djm 1426: return -1;
1.44 djm 1427: }
1.97 djm 1428: *path1 = xstrdup(argv[optidx]);
1429: /* Only "rm" globs */
1430: if (cmdnum != I_RM)
1431: undo_glob_escape(*path1);
1.44 djm 1432: break;
1.100 djm 1433: case I_DF:
1434: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1435: iflag)) == -1)
1436: return -1;
1437: /* Default to current directory if no path specified */
1438: if (argc - optidx < 1)
1439: *path1 = NULL;
1440: else {
1441: *path1 = xstrdup(argv[optidx]);
1442: undo_glob_escape(*path1);
1443: }
1444: break;
1.44 djm 1445: case I_LS:
1.97 djm 1446: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1447: return(-1);
1448: /* Path is optional */
1.97 djm 1449: if (argc - optidx > 0)
1450: *path1 = xstrdup(argv[optidx]);
1.44 djm 1451: break;
1452: case I_LLS:
1.98 djm 1453: /* Skip ls command and following whitespace */
1454: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1455: case I_SHELL:
1456: /* Uses the rest of the line */
1457: break;
1458: case I_LUMASK:
1459: case I_CHMOD:
1460: base = 8;
1.186 dtucker 1461: /* FALLTHROUGH */
1.44 djm 1462: case I_CHOWN:
1463: case I_CHGRP:
1.189 djm 1464: if ((optidx = parse_ch_flags(cmd, argv, argc, hflag)) == -1)
1.153 djm 1465: return -1;
1.44 djm 1466: /* Get numeric arg (mandatory) */
1.97 djm 1467: if (argc - optidx < 1)
1468: goto need_num_arg;
1.93 ray 1469: errno = 0;
1.202 dtucker 1470: ll = strtoll(argv[optidx], &cp2, base);
1.97 djm 1471: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1.202 dtucker 1472: ((ll == LLONG_MIN || ll == LLONG_MAX) && errno == ERANGE) ||
1473: ll < 0 || ll > UINT32_MAX) {
1.97 djm 1474: need_num_arg:
1.44 djm 1475: error("You must supply a numeric argument "
1476: "to the %s command.", cmd);
1.97 djm 1477: return -1;
1.44 djm 1478: }
1.202 dtucker 1479: *n_arg = ll;
1.97 djm 1480: if (cmdnum == I_LUMASK)
1.44 djm 1481: break;
1482: /* Get pathname (mandatory) */
1.97 djm 1483: if (argc - optidx < 2) {
1.44 djm 1484: error("You must specify a path after a %s command.",
1485: cmd);
1.97 djm 1486: return -1;
1.44 djm 1487: }
1.97 djm 1488: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1489: break;
1490: case I_QUIT:
1491: case I_PWD:
1492: case I_LPWD:
1493: case I_HELP:
1494: case I_VERSION:
1495: case I_PROGRESS:
1.153 djm 1496: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1497: return -1;
1.44 djm 1498: break;
1499: default:
1500: fatal("Command not implemented");
1501: }
1502:
1503: *cpp = cp;
1504: return(cmdnum);
1505: }
1506:
1507: static int
1508: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1.187 djm 1509: const char *startdir, int err_abort, int echo_command)
1.44 djm 1510: {
1.187 djm 1511: const char *ocmd = cmd;
1.44 djm 1512: char *path1, *path2, *tmp;
1.187 djm 1513: int ignore_errors = 0, disable_echo = 1;
1514: int aflag = 0, fflag = 0, hflag = 0, iflag = 0;
1.156 djm 1515: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1516: int cmdnum, i;
1.107 dtucker 1517: unsigned long n_arg = 0;
1.44 djm 1518: Attrib a, *aa;
1.170 deraadt 1519: char path_buf[PATH_MAX];
1.44 djm 1520: int err = 0;
1521: glob_t g;
1522:
1523: path1 = path2 = NULL;
1.187 djm 1524: cmdnum = parse_args(&cmd, &ignore_errors, &disable_echo, &aflag, &fflag,
1525: &hflag, &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg,
1526: &path1, &path2);
1.156 djm 1527: if (ignore_errors != 0)
1.44 djm 1528: err_abort = 0;
1529:
1.187 djm 1530: if (echo_command && !disable_echo)
1531: mprintf("sftp> %s\n", ocmd);
1532:
1.44 djm 1533: memset(&g, 0, sizeof(g));
1534:
1535: /* Perform command */
1536: switch (cmdnum) {
1537: case 0:
1538: /* Blank line */
1539: break;
1540: case -1:
1541: /* Unrecognized command */
1542: err = -1;
1543: break;
1.148 djm 1544: case I_REGET:
1545: aflag = 1;
1546: /* FALLTHROUGH */
1.44 djm 1547: case I_GET:
1.148 djm 1548: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1549: rflag, aflag, fflag);
1.44 djm 1550: break;
1.159 logan 1551: case I_REPUT:
1552: aflag = 1;
1553: /* FALLTHROUGH */
1.44 djm 1554: case I_PUT:
1.156 djm 1555: err = process_put(conn, path1, path2, *pwd, pflag,
1.159 logan 1556: rflag, aflag, fflag);
1.214 djm 1557: break;
1558: case I_COPY:
1559: path1 = make_absolute(path1, *pwd);
1560: path2 = make_absolute(path2, *pwd);
1561: err = do_copy(conn, path1, path2);
1.44 djm 1562: break;
1563: case I_RENAME:
1564: path1 = make_absolute(path1, *pwd);
1565: path2 = make_absolute(path2, *pwd);
1.152 djm 1566: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1567: break;
1568: case I_SYMLINK:
1.132 djm 1569: sflag = 1;
1.186 dtucker 1570: /* FALLTHROUGH */
1.132 djm 1571: case I_LINK:
1.151 djm 1572: if (!sflag)
1573: path1 = make_absolute(path1, *pwd);
1.44 djm 1574: path2 = make_absolute(path2, *pwd);
1.132 djm 1575: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1576: break;
1577: case I_RM:
1.215 djm 1578: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1579: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1580: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1581: if (!quiet)
1.174 schwarze 1582: mprintf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1583: err = do_rm(conn, g.gl_pathv[i]);
1584: if (err != 0 && err_abort)
1585: break;
1586: }
1587: break;
1588: case I_MKDIR:
1589: path1 = make_absolute(path1, *pwd);
1590: attrib_clear(&a);
1591: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1592: a.perm = 0777;
1.111 djm 1593: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1594: break;
1595: case I_RMDIR:
1596: path1 = make_absolute(path1, *pwd);
1597: err = do_rmdir(conn, path1);
1598: break;
1599: case I_CHDIR:
1.182 djm 1600: if (path1 == NULL || *path1 == '\0')
1601: path1 = xstrdup(startdir);
1.44 djm 1602: path1 = make_absolute(path1, *pwd);
1603: if ((tmp = do_realpath(conn, path1)) == NULL) {
1604: err = 1;
1605: break;
1606: }
1607: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1608: free(tmp);
1.44 djm 1609: err = 1;
1610: break;
1611: }
1612: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1613: error("Can't change directory: Can't check target");
1.145 djm 1614: free(tmp);
1.44 djm 1615: err = 1;
1616: break;
1617: }
1618: if (!S_ISDIR(aa->perm)) {
1619: error("Can't change directory: \"%s\" is not "
1620: "a directory", tmp);
1.145 djm 1621: free(tmp);
1.44 djm 1622: err = 1;
1623: break;
1624: }
1.145 djm 1625: free(*pwd);
1.44 djm 1626: *pwd = tmp;
1627: break;
1628: case I_LS:
1629: if (!path1) {
1.125 djm 1630: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1631: break;
1632: }
1633:
1634: /* Strip pwd off beginning of non-absolute paths */
1635: tmp = NULL;
1.188 djm 1636: if (!path_absolute(path1))
1.44 djm 1637: tmp = *pwd;
1638:
1.215 djm 1639: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1640: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1641: break;
1642: case I_DF:
1643: /* Default to current directory if no path specified */
1644: if (path1 == NULL)
1645: path1 = xstrdup(*pwd);
1646: path1 = make_absolute(path1, *pwd);
1647: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1648: break;
1649: case I_LCHDIR:
1.182 djm 1650: if (path1 == NULL || *path1 == '\0')
1651: path1 = xstrdup("~");
1.166 deraadt 1652: tmp = tilde_expand_filename(path1, getuid());
1.165 djm 1653: free(path1);
1654: path1 = tmp;
1.44 djm 1655: if (chdir(path1) == -1) {
1656: error("Couldn't change local directory to "
1657: "\"%s\": %s", path1, strerror(errno));
1658: err = 1;
1659: }
1660: break;
1661: case I_LMKDIR:
1662: if (mkdir(path1, 0777) == -1) {
1663: error("Couldn't create local directory "
1664: "\"%s\": %s", path1, strerror(errno));
1665: err = 1;
1666: }
1667: break;
1668: case I_LLS:
1669: local_do_ls(cmd);
1670: break;
1671: case I_SHELL:
1672: local_do_shell(cmd);
1673: break;
1674: case I_LUMASK:
1675: umask(n_arg);
1676: printf("Local umask: %03lo\n", n_arg);
1677: break;
1678: case I_CHMOD:
1.215 djm 1679: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1680: attrib_clear(&a);
1681: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1682: a.perm = n_arg;
1683: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1684: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1685: if (!quiet)
1.174 schwarze 1686: mprintf("Changing mode on %s\n",
1687: g.gl_pathv[i]);
1.189 djm 1688: err = (hflag ? do_lsetstat : do_setstat)(conn,
1689: g.gl_pathv[i], &a);
1.44 djm 1690: if (err != 0 && err_abort)
1691: break;
1692: }
1693: break;
1694: case I_CHOWN:
1695: case I_CHGRP:
1.215 djm 1696: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1697: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1698: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.189 djm 1699: if (!(aa = (hflag ? do_lstat : do_stat)(conn,
1700: g.gl_pathv[i], 0))) {
1.104 djm 1701: if (err_abort) {
1702: err = -1;
1.44 djm 1703: break;
1.104 djm 1704: } else
1.44 djm 1705: continue;
1706: }
1707: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1708: error("Can't get current ownership of "
1709: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1710: if (err_abort) {
1711: err = -1;
1.44 djm 1712: break;
1.104 djm 1713: } else
1.44 djm 1714: continue;
1715: }
1716: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1717: if (cmdnum == I_CHOWN) {
1.143 djm 1718: if (!quiet)
1.174 schwarze 1719: mprintf("Changing owner on %s\n",
1.143 djm 1720: g.gl_pathv[i]);
1.44 djm 1721: aa->uid = n_arg;
1722: } else {
1.143 djm 1723: if (!quiet)
1.174 schwarze 1724: mprintf("Changing group on %s\n",
1.143 djm 1725: g.gl_pathv[i]);
1.44 djm 1726: aa->gid = n_arg;
1727: }
1.189 djm 1728: err = (hflag ? do_lsetstat : do_setstat)(conn,
1729: g.gl_pathv[i], aa);
1.44 djm 1730: if (err != 0 && err_abort)
1731: break;
1732: }
1733: break;
1734: case I_PWD:
1.174 schwarze 1735: mprintf("Remote working directory: %s\n", *pwd);
1.44 djm 1736: break;
1737: case I_LPWD:
1738: if (!getcwd(path_buf, sizeof(path_buf))) {
1739: error("Couldn't get local cwd: %s", strerror(errno));
1740: err = -1;
1741: break;
1742: }
1.174 schwarze 1743: mprintf("Local working directory: %s\n", path_buf);
1.44 djm 1744: break;
1745: case I_QUIT:
1746: /* Processed below */
1747: break;
1748: case I_HELP:
1749: help();
1750: break;
1751: case I_VERSION:
1752: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1753: break;
1754: case I_PROGRESS:
1755: showprogress = !showprogress;
1756: if (showprogress)
1757: printf("Progress meter enabled\n");
1758: else
1759: printf("Progress meter disabled\n");
1760: break;
1761: default:
1762: fatal("%d is not implemented", cmdnum);
1763: }
1764:
1765: if (g.gl_pathc)
1766: globfree(&g);
1.145 djm 1767: free(path1);
1768: free(path2);
1.44 djm 1769:
1770: /* If an unignored error occurs in batch mode we should abort. */
1771: if (err_abort && err != 0)
1772: return (-1);
1773: else if (cmdnum == I_QUIT)
1774: return (1);
1775:
1776: return (0);
1777: }
1778:
1.57 djm 1779: static char *
1780: prompt(EditLine *el)
1781: {
1782: return ("sftp> ");
1783: }
1784:
1.116 djm 1785: /* Display entries in 'list' after skipping the first 'len' chars */
1786: static void
1787: complete_display(char **list, u_int len)
1788: {
1789: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1790: struct winsize ws;
1791: char *tmp;
1792:
1793: /* Count entries for sort and find longest */
1.149 djm 1794: for (y = 0; list[y]; y++)
1.176 deraadt 1795: m = MAXIMUM(m, strlen(list[y]));
1.116 djm 1796:
1797: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1798: width = ws.ws_col;
1799:
1800: m = m > len ? m - len : 0;
1801: columns = width / (m + 2);
1.176 deraadt 1802: columns = MAXIMUM(columns, 1);
1.116 djm 1803: colspace = width / columns;
1.176 deraadt 1804: colspace = MINIMUM(colspace, width);
1.116 djm 1805:
1806: printf("\n");
1807: m = 1;
1808: for (y = 0; list[y]; y++) {
1809: llen = strlen(list[y]);
1810: tmp = llen > len ? list[y] + len : "";
1.174 schwarze 1811: mprintf("%-*s", colspace, tmp);
1.116 djm 1812: if (m >= columns) {
1813: printf("\n");
1814: m = 1;
1815: } else
1816: m++;
1817: }
1818: printf("\n");
1819: }
1820:
1821: /*
1822: * Given a "list" of words that begin with a common prefix of "word",
1823: * attempt to find an autocompletion to extends "word" by the next
1824: * characters common to all entries in "list".
1825: */
1826: static char *
1827: complete_ambiguous(const char *word, char **list, size_t count)
1828: {
1829: if (word == NULL)
1830: return NULL;
1831:
1832: if (count > 0) {
1833: u_int y, matchlen = strlen(list[0]);
1834:
1835: /* Find length of common stem */
1836: for (y = 1; list[y]; y++) {
1837: u_int x;
1838:
1.149 djm 1839: for (x = 0; x < matchlen; x++)
1840: if (list[0][x] != list[y][x])
1.116 djm 1841: break;
1842:
1843: matchlen = x;
1844: }
1845:
1846: if (matchlen > strlen(word)) {
1847: char *tmp = xstrdup(list[0]);
1848:
1.117 dtucker 1849: tmp[matchlen] = '\0';
1.116 djm 1850: return tmp;
1851: }
1.149 djm 1852: }
1.116 djm 1853:
1854: return xstrdup(word);
1855: }
1856:
1857: /* Autocomplete a sftp command */
1858: static int
1859: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1860: int terminated)
1861: {
1862: u_int y, count = 0, cmdlen, tmplen;
1863: char *tmp, **list, argterm[3];
1864: const LineInfo *lf;
1865:
1866: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1867:
1868: /* No command specified: display all available commands */
1869: if (cmd == NULL) {
1870: for (y = 0; cmds[y].c; y++)
1871: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1872:
1.116 djm 1873: list[count] = NULL;
1874: complete_display(list, 0);
1875:
1.149 djm 1876: for (y = 0; list[y] != NULL; y++)
1877: free(list[y]);
1.145 djm 1878: free(list);
1.116 djm 1879: return count;
1880: }
1881:
1882: /* Prepare subset of commands that start with "cmd" */
1883: cmdlen = strlen(cmd);
1884: for (y = 0; cmds[y].c; y++) {
1.149 djm 1885: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1886: list[count++] = xstrdup(cmds[y].c);
1887: }
1888: list[count] = NULL;
1889:
1.134 oga 1890: if (count == 0) {
1.145 djm 1891: free(list);
1.116 djm 1892: return 0;
1.134 oga 1893: }
1.116 djm 1894:
1.183 djm 1895: /* Complete ambiguous command */
1.116 djm 1896: tmp = complete_ambiguous(cmd, list, count);
1897: if (count > 1)
1898: complete_display(list, 0);
1899:
1.149 djm 1900: for (y = 0; list[y]; y++)
1901: free(list[y]);
1.145 djm 1902: free(list);
1.116 djm 1903:
1904: if (tmp != NULL) {
1905: tmplen = strlen(tmp);
1906: cmdlen = strlen(cmd);
1907: /* If cmd may be extended then do so */
1908: if (tmplen > cmdlen)
1909: if (el_insertstr(el, tmp + cmdlen) == -1)
1910: fatal("el_insertstr failed.");
1911: lf = el_line(el);
1912: /* Terminate argument cleanly */
1913: if (count == 1) {
1914: y = 0;
1915: if (!terminated)
1916: argterm[y++] = quote;
1917: if (lastarg || *(lf->cursor) != ' ')
1918: argterm[y++] = ' ';
1919: argterm[y] = '\0';
1920: if (y > 0 && el_insertstr(el, argterm) == -1)
1921: fatal("el_insertstr failed.");
1922: }
1.145 djm 1923: free(tmp);
1.116 djm 1924: }
1925:
1926: return count;
1927: }
1928:
1929: /*
1.220 djm 1930: * Determine whether a particular sftp command's arguments (if any) represent
1931: * local or remote files. The "cmdarg" argument specifies the actual argument
1932: * and accepts values 1 or 2.
1.116 djm 1933: */
1934: static int
1.220 djm 1935: complete_is_remote(char *cmd, int cmdarg) {
1.116 djm 1936: int i;
1937:
1938: if (cmd == NULL)
1939: return -1;
1940:
1941: for (i = 0; cmds[i].c; i++) {
1.220 djm 1942: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c))) {
1943: if (cmdarg == 1)
1944: return cmds[i].t;
1945: else if (cmdarg == 2)
1946: return cmds[i].t2;
1947: break;
1948: }
1.116 djm 1949: }
1950:
1951: return -1;
1952: }
1953:
1954: /* Autocomplete a filename "file" */
1955: static int
1956: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1957: char *file, int remote, int lastarg, char quote, int terminated)
1958: {
1959: glob_t g;
1.146 dtucker 1960: char *tmp, *tmp2, ins[8];
1.140 dtucker 1961: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1962: int clen;
1.116 djm 1963: const LineInfo *lf;
1.149 djm 1964:
1.116 djm 1965: /* Glob from "file" location */
1966: if (file == NULL)
1967: tmp = xstrdup("*");
1968: else
1969: xasprintf(&tmp, "%s*", file);
1970:
1.139 dtucker 1971: /* Check if the path is absolute. */
1.188 djm 1972: isabs = path_absolute(tmp);
1.139 dtucker 1973:
1.116 djm 1974: memset(&g, 0, sizeof(g));
1975: if (remote != LOCAL) {
1.215 djm 1976: tmp = make_absolute_pwd_glob(tmp, remote_path);
1.116 djm 1977: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1978: } else
1.116 djm 1979: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1980:
1.116 djm 1981: /* Determine length of pwd so we can trim completion display */
1982: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1983: /* Terminate counting on first unescaped glob metacharacter */
1984: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1985: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1986: hadglob = 1;
1987: break;
1988: }
1989: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1990: tmplen++;
1991: if (tmp[tmplen] == '/')
1992: pwdlen = tmplen + 1; /* track last seen '/' */
1993: }
1.145 djm 1994: free(tmp);
1.161 dtucker 1995: tmp = NULL;
1.116 djm 1996:
1.149 djm 1997: if (g.gl_matchc == 0)
1.116 djm 1998: goto out;
1999:
2000: if (g.gl_matchc > 1)
2001: complete_display(g.gl_pathv, pwdlen);
2002:
2003: /* Don't try to extend globs */
2004: if (file == NULL || hadglob)
2005: goto out;
2006:
2007: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 2008: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 2009: free(tmp2);
1.116 djm 2010:
2011: if (tmp == NULL)
2012: goto out;
2013:
2014: tmplen = strlen(tmp);
2015: filelen = strlen(file);
2016:
1.140 dtucker 2017: /* Count the number of escaped characters in the input string. */
2018: cesc = isesc = 0;
2019: for (i = 0; i < filelen; i++) {
2020: if (!isesc && file[i] == '\\' && i + 1 < filelen){
2021: isesc = 1;
2022: cesc++;
2023: } else
2024: isesc = 0;
2025: }
2026:
2027: if (tmplen > (filelen - cesc)) {
2028: tmp2 = tmp + filelen - cesc;
1.149 djm 2029: len = strlen(tmp2);
1.116 djm 2030: /* quote argument on way out */
1.146 dtucker 2031: for (i = 0; i < len; i += clen) {
2032: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
2033: (size_t)clen > sizeof(ins) - 2)
2034: fatal("invalid multibyte character");
1.116 djm 2035: ins[0] = '\\';
1.146 dtucker 2036: memcpy(ins + 1, tmp2 + i, clen);
2037: ins[clen + 1] = '\0';
1.116 djm 2038: switch (tmp2[i]) {
2039: case '\'':
2040: case '"':
2041: case '\\':
2042: case '\t':
1.131 sthen 2043: case '[':
1.116 djm 2044: case ' ':
1.140 dtucker 2045: case '#':
2046: case '*':
1.116 djm 2047: if (quote == '\0' || tmp2[i] == quote) {
2048: if (el_insertstr(el, ins) == -1)
2049: fatal("el_insertstr "
2050: "failed.");
2051: break;
2052: }
2053: /* FALLTHROUGH */
2054: default:
2055: if (el_insertstr(el, ins + 1) == -1)
2056: fatal("el_insertstr failed.");
2057: break;
2058: }
2059: }
2060: }
2061:
2062: lf = el_line(el);
2063: if (g.gl_matchc == 1) {
2064: i = 0;
1.162 dtucker 2065: if (!terminated && quote != '\0')
1.116 djm 2066: ins[i++] = quote;
1.120 djm 2067: if (*(lf->cursor - 1) != '/' &&
2068: (lastarg || *(lf->cursor) != ' '))
1.116 djm 2069: ins[i++] = ' ';
2070: ins[i] = '\0';
2071: if (i > 0 && el_insertstr(el, ins) == -1)
2072: fatal("el_insertstr failed.");
2073: }
1.145 djm 2074: free(tmp);
1.116 djm 2075:
2076: out:
2077: globfree(&g);
2078: return g.gl_matchc;
2079: }
2080:
2081: /* tab-completion hook function, called via libedit */
2082: static unsigned char
2083: complete(EditLine *el, int ch)
2084: {
1.149 djm 2085: char **argv, *line, quote;
1.147 djm 2086: int argc, carg;
2087: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 2088: const LineInfo *lf;
2089: struct complete_ctx *complete_ctx;
2090:
2091: lf = el_line(el);
2092: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1.203 djm 2093: fatal_f("el_get failed");
1.116 djm 2094:
2095: /* Figure out which argument the cursor points to */
2096: cursor = lf->cursor - lf->buffer;
1.171 deraadt 2097: line = xmalloc(cursor + 1);
1.116 djm 2098: memcpy(line, lf->buffer, cursor);
2099: line[cursor] = '\0';
2100: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 2101: free(line);
1.116 djm 2102:
2103: /* Get all the arguments on the line */
2104: len = lf->lastchar - lf->buffer;
1.171 deraadt 2105: line = xmalloc(len + 1);
1.116 djm 2106: memcpy(line, lf->buffer, len);
2107: line[len] = '\0';
2108: argv = makeargv(line, &argc, 1, NULL, NULL);
2109:
2110: /* Ensure cursor is at EOL or a argument boundary */
2111: if (line[cursor] != ' ' && line[cursor] != '\0' &&
2112: line[cursor] != '\n') {
1.145 djm 2113: free(line);
1.116 djm 2114: return ret;
2115: }
2116:
2117: if (carg == 0) {
2118: /* Show all available commands */
2119: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
2120: ret = CC_REDISPLAY;
2121: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
2122: /* Handle the command parsing */
2123: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 2124: quote, terminated) != 0)
1.116 djm 2125: ret = CC_REDISPLAY;
2126: } else if (carg >= 1) {
2127: /* Handle file parsing */
1.220 djm 2128: int remote = 0;
2129: int i = 0, cmdarg = 0;
1.116 djm 2130: char *filematch = NULL;
2131:
2132: if (carg > 1 && line[cursor-1] != ' ')
2133: filematch = argv[carg - 1];
1.220 djm 2134:
2135: for (i = 1; i < carg; i++) {
2136: /* Skip flags */
2137: if (argv[i][0] != '-')
2138: cmdarg++;
2139: }
2140:
2141: /*
2142: * If previous argument is complete, then offer completion
2143: * on the next one.
2144: */
2145: if (line[cursor - 1] == ' ')
2146: cmdarg++;
2147:
2148: remote = complete_is_remote(argv[0], cmdarg);
1.116 djm 2149:
1.219 djm 2150: if ((remote == REMOTE || remote == LOCAL) &&
1.116 djm 2151: complete_match(el, complete_ctx->conn,
2152: *complete_ctx->remote_pathp, filematch,
1.149 djm 2153: remote, carg == argc, quote, terminated) != 0)
1.116 djm 2154: ret = CC_REDISPLAY;
2155: }
2156:
1.149 djm 2157: free(line);
1.116 djm 2158: return ret;
2159: }
2160:
1.182 djm 2161: static int
1.112 djm 2162: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 2163: {
1.116 djm 2164: char *remote_path;
1.182 djm 2165: char *dir = NULL, *startdir = NULL;
1.44 djm 2166: char cmd[2048];
1.66 jaredy 2167: int err, interactive;
1.57 djm 2168: EditLine *el = NULL;
2169: History *hl = NULL;
2170: HistEvent hev;
2171: extern char *__progname;
1.116 djm 2172: struct complete_ctx complete_ctx;
1.57 djm 2173:
2174: if (!batchmode && isatty(STDIN_FILENO)) {
2175: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
2176: fatal("Couldn't initialise editline");
2177: if ((hl = history_init()) == NULL)
2178: fatal("Couldn't initialise editline history");
2179: history(hl, &hev, H_SETSIZE, 100);
2180: el_set(el, EL_HIST, history, hl);
2181:
2182: el_set(el, EL_PROMPT, prompt);
2183: el_set(el, EL_EDITOR, "emacs");
2184: el_set(el, EL_TERMINAL, NULL);
2185: el_set(el, EL_SIGNAL, 1);
2186: el_source(el, NULL);
1.116 djm 2187:
2188: /* Tab Completion */
1.149 djm 2189: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 2190: "Context sensitive argument completion", complete);
1.116 djm 2191: complete_ctx.conn = conn;
2192: complete_ctx.remote_pathp = &remote_path;
2193: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
2194: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 2195: /* enable ctrl-left-arrow and ctrl-right-arrow */
2196: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
1.194 tb 2197: el_set(el, EL_BIND, "\\e\\e[C", "em-next-word", NULL);
1.154 djm 2198: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2199: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2200: /* make ^w match ksh behaviour */
2201: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2202: }
1.44 djm 2203:
1.116 djm 2204: remote_path = do_realpath(conn, ".");
2205: if (remote_path == NULL)
1.44 djm 2206: fatal("Need cwd");
1.182 djm 2207: startdir = xstrdup(remote_path);
1.44 djm 2208:
2209: if (file1 != NULL) {
2210: dir = xstrdup(file1);
1.116 djm 2211: dir = make_absolute(dir, remote_path);
1.44 djm 2212:
2213: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2214: if (!quiet)
1.174 schwarze 2215: mprintf("Changing to: %s\n", dir);
1.44 djm 2216: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2217: if (parse_dispatch_command(conn, cmd,
1.187 djm 2218: &remote_path, startdir, 1, 0) != 0) {
1.145 djm 2219: free(dir);
1.182 djm 2220: free(startdir);
1.145 djm 2221: free(remote_path);
2222: free(conn);
1.44 djm 2223: return (-1);
1.58 markus 2224: }
1.44 djm 2225: } else {
1.137 djm 2226: /* XXX this is wrong wrt quoting */
1.148 djm 2227: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2228: global_aflag ? " -a" : "", dir,
2229: file2 == NULL ? "" : " ",
2230: file2 == NULL ? "" : file2);
1.116 djm 2231: err = parse_dispatch_command(conn, cmd,
1.187 djm 2232: &remote_path, startdir, 1, 0);
1.145 djm 2233: free(dir);
1.182 djm 2234: free(startdir);
1.145 djm 2235: free(remote_path);
2236: free(conn);
1.44 djm 2237: return (err);
2238: }
1.145 djm 2239: free(dir);
1.44 djm 2240: }
2241:
1.168 millert 2242: setvbuf(stdout, NULL, _IOLBF, 0);
2243: setvbuf(infile, NULL, _IOLBF, 0);
1.44 djm 2244:
1.66 jaredy 2245: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2246: err = 0;
2247: for (;;) {
1.212 schwarze 2248: struct sigaction sa;
1.57 djm 2249: const char *line;
2250: int count = 0;
1.44 djm 2251:
1.212 schwarze 2252: interrupted = 0;
2253: memset(&sa, 0, sizeof(sa));
2254: sa.sa_handler = interactive ? read_interrupt : killchild;
2255: if (sigaction(SIGINT, &sa, NULL) == -1) {
2256: debug3("sigaction(%s): %s", strsignal(SIGINT),
2257: strerror(errno));
2258: break;
2259: }
1.57 djm 2260: if (el == NULL) {
1.66 jaredy 2261: if (interactive)
2262: printf("sftp> ");
1.57 djm 2263: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2264: if (interactive)
2265: printf("\n");
1.212 schwarze 2266: if (interrupted)
2267: continue;
1.57 djm 2268: break;
2269: }
2270: } else {
1.116 djm 2271: if ((line = el_gets(el, &count)) == NULL ||
2272: count <= 0) {
1.66 jaredy 2273: printf("\n");
1.211 schwarze 2274: if (interrupted)
2275: continue;
1.57 djm 2276: break;
1.66 jaredy 2277: }
1.57 djm 2278: history(hl, &hev, H_ENTER, line);
2279: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2280: fprintf(stderr, "Error: input line too long\n");
2281: continue;
2282: }
1.44 djm 2283: }
2284:
1.187 djm 2285: cmd[strcspn(cmd, "\n")] = '\0';
1.44 djm 2286:
1.46 djm 2287: /* Handle user interrupts gracefully during commands */
2288: interrupted = 0;
1.197 dtucker 2289: ssh_signal(SIGINT, cmd_interrupt);
1.46 djm 2290:
1.116 djm 2291: err = parse_dispatch_command(conn, cmd, &remote_path,
1.187 djm 2292: startdir, batchmode, !interactive && el == NULL);
1.44 djm 2293: if (err != 0)
2294: break;
2295: }
1.197 dtucker 2296: ssh_signal(SIGCHLD, SIG_DFL);
1.145 djm 2297: free(remote_path);
1.182 djm 2298: free(startdir);
1.145 djm 2299: free(conn);
1.66 jaredy 2300:
2301: if (el != NULL)
2302: el_end(el);
1.44 djm 2303:
2304: /* err == 1 signifies normal "quit" exit */
2305: return (err >= 0 ? 0 : -1);
2306: }
1.34 fgsch 2307:
1.18 itojun 2308: static void
1.36 djm 2309: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2310: {
1.213 djm 2311: int c_in, c_out, inout[2];
1.30 deraadt 2312:
1.1 djm 2313: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2314: fatal("socketpair: %s", strerror(errno));
2315: *in = *out = inout[0];
2316: c_in = c_out = inout[1];
2317:
1.36 djm 2318: if ((sshpid = fork()) == -1)
1.1 djm 2319: fatal("fork: %s", strerror(errno));
1.36 djm 2320: else if (sshpid == 0) {
1.1 djm 2321: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2322: (dup2(c_out, STDOUT_FILENO) == -1)) {
2323: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2324: _exit(1);
1.1 djm 2325: }
2326: close(*in);
2327: close(*out);
2328: close(c_in);
2329: close(c_out);
1.46 djm 2330:
2331: /*
2332: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2333: * ignore SIGINT if we want to gracefully abort commands,
2334: * otherwise the signal will make it to the ssh process and
1.122 guenther 2335: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2336: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2337: */
1.197 dtucker 2338: ssh_signal(SIGINT, SIG_IGN);
2339: ssh_signal(SIGTERM, SIG_DFL);
1.49 dtucker 2340: execvp(path, args);
1.23 djm 2341: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2342: _exit(1);
1.1 djm 2343: }
2344:
1.197 dtucker 2345: ssh_signal(SIGTERM, killchild);
2346: ssh_signal(SIGINT, killchild);
2347: ssh_signal(SIGHUP, killchild);
2348: ssh_signal(SIGTSTP, suspchild);
2349: ssh_signal(SIGTTIN, suspchild);
2350: ssh_signal(SIGTTOU, suspchild);
2351: ssh_signal(SIGCHLD, sigchld_handler);
1.1 djm 2352: close(c_in);
2353: close(c_out);
2354: }
2355:
1.18 itojun 2356: static void
1.1 djm 2357: usage(void)
2358: {
1.25 mpech 2359: extern char *__progname;
1.27 markus 2360:
1.19 stevesk 2361: fprintf(stderr,
1.201 djm 2362: "usage: %s [-46AaCfNpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.218 jmc 2363: " [-D sftp_server_command] [-F ssh_config] [-i identity_file]\n"
1.190 tb 2364: " [-J destination] [-l limit] [-o ssh_option] [-P port]\n"
2365: " [-R num_requests] [-S program] [-s subsystem | sftp_server]\n"
1.224 jmc 2366: " [-X sftp_option] destination\n",
1.181 millert 2367: __progname);
1.1 djm 2368: exit(1);
2369: }
2370:
1.2 stevesk 2371: int
1.1 djm 2372: main(int argc, char **argv)
2373: {
1.217 djm 2374: int r, in, out, ch, err, tmp, port = -1, noisy = 0;
2375: char *host = NULL, *user, *cp, **cpp, *file2 = NULL;
1.198 dtucker 2376: int debug_level = 0;
1.17 mouring 2377: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2378: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2379: const char *errstr;
1.17 mouring 2380: LogLevel ll = SYSLOG_LEVEL_INFO;
2381: arglist args;
1.3 djm 2382: extern int optind;
2383: extern char *optarg;
1.112 djm 2384: struct sftp_conn *conn;
1.207 djm 2385: size_t copy_buffer_len = 0;
2386: size_t num_requests = 0;
1.223 djm 2387: long long llv, limit_kbps = 0;
1.67 djm 2388:
2389: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2390: sanitise_stdfd();
1.146 dtucker 2391: setlocale(LC_CTYPE, "");
1.1 djm 2392:
1.70 djm 2393: memset(&args, '\0', sizeof(args));
1.17 mouring 2394: args.list = NULL;
1.80 djm 2395: addargs(&args, "%s", ssh_program);
1.17 mouring 2396: addargs(&args, "-oForwardX11 no");
1.69 reyk 2397: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2398: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2399:
1.17 mouring 2400: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2401: infile = stdin;
1.3 djm 2402:
1.109 djm 2403: while ((ch = getopt(argc, argv,
1.223 djm 2404: "1246AafhNpqrvCc:D:i:l:o:s:S:b:B:F:J:P:R:X:")) != -1) {
1.3 djm 2405: switch (ch) {
1.108 djm 2406: /* Passed through to ssh(1) */
1.201 djm 2407: case 'A':
1.108 djm 2408: case '4':
2409: case '6':
1.3 djm 2410: case 'C':
1.108 djm 2411: addargs(&args, "-%c", ch);
2412: break;
2413: /* Passed through to ssh(1) with argument */
2414: case 'F':
1.190 tb 2415: case 'J':
1.108 djm 2416: case 'c':
2417: case 'i':
2418: case 'o':
1.113 halex 2419: addargs(&args, "-%c", ch);
2420: addargs(&args, "%s", optarg);
1.108 djm 2421: break;
2422: case 'q':
1.143 djm 2423: ll = SYSLOG_LEVEL_ERROR;
2424: quiet = 1;
1.108 djm 2425: showprogress = 0;
2426: addargs(&args, "-%c", ch);
1.3 djm 2427: break;
1.109 djm 2428: case 'P':
1.181 millert 2429: port = a2port(optarg);
2430: if (port <= 0)
2431: fatal("Bad port \"%s\"\n", optarg);
1.109 djm 2432: break;
1.3 djm 2433: case 'v':
1.17 mouring 2434: if (debug_level < 3) {
2435: addargs(&args, "-v");
2436: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2437: }
2438: debug_level++;
1.3 djm 2439: break;
1.7 markus 2440: case '1':
1.198 dtucker 2441: fatal("SSH protocol v.1 is no longer supported");
1.7 markus 2442: break;
1.108 djm 2443: case '2':
1.198 dtucker 2444: /* accept silently */
1.148 djm 2445: break;
2446: case 'a':
2447: global_aflag = 1;
1.7 markus 2448: break;
1.108 djm 2449: case 'B':
2450: copy_buffer_len = strtol(optarg, &cp, 10);
2451: if (copy_buffer_len == 0 || *cp != '\0')
2452: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2453: break;
1.10 deraadt 2454: case 'b':
1.39 djm 2455: if (batchmode)
2456: fatal("Batch file already specified.");
2457:
2458: /* Allow "-" as stdin */
1.56 deraadt 2459: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2460: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2461: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2462: showprogress = 0;
1.143 djm 2463: quiet = batchmode = 1;
1.62 djm 2464: addargs(&args, "-obatchmode yes");
1.156 djm 2465: break;
2466: case 'f':
2467: global_fflag = 1;
1.10 deraadt 2468: break;
1.199 djm 2469: case 'N':
2470: noisy = 1; /* Used to clear quiet mode after getopt */
2471: break;
1.111 djm 2472: case 'p':
2473: global_pflag = 1;
2474: break;
1.109 djm 2475: case 'D':
1.23 djm 2476: sftp_direct = optarg;
1.111 djm 2477: break;
1.126 djm 2478: case 'l':
2479: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2480: &errstr);
2481: if (errstr != NULL)
2482: usage();
2483: limit_kbps *= 1024; /* kbps */
2484: break;
1.111 djm 2485: case 'r':
2486: global_rflag = 1;
1.24 djm 2487: break;
1.26 djm 2488: case 'R':
2489: num_requests = strtol(optarg, &cp, 10);
2490: if (num_requests == 0 || *cp != '\0')
1.27 markus 2491: fatal("Invalid number of requests \"%s\"",
1.26 djm 2492: optarg);
1.108 djm 2493: break;
2494: case 's':
2495: sftp_server = optarg;
2496: break;
2497: case 'S':
2498: ssh_program = optarg;
2499: replacearg(&args, 0, "%s", ssh_program);
1.223 djm 2500: break;
2501: case 'X':
2502: /* Please keep in sync with ssh.c -X */
2503: if (strncmp(optarg, "buffer=", 7) == 0) {
2504: r = scan_scaled(optarg + 7, &llv);
2505: if (r == 0 && (llv <= 0 || llv > 256 * 1024)) {
2506: r = -1;
2507: errno = EINVAL;
2508: }
2509: if (r == -1) {
2510: fatal("Invalid buffer size \"%s\": %s",
2511: optarg + 7, strerror(errno));
2512: }
2513: copy_buffer_len = (size_t)llv;
2514: } else if (strncmp(optarg, "nrequests=", 10) == 0) {
2515: llv = strtonum(optarg + 10, 1, 256 * 1024,
2516: &errstr);
2517: if (errstr != NULL) {
2518: fatal("Invalid number of requests "
2519: "\"%s\": %s", optarg + 10, errstr);
2520: }
2521: num_requests = (size_t)llv;
2522: } else {
2523: fatal("Invalid -X option");
2524: }
1.23 djm 2525: break;
1.3 djm 2526: case 'h':
2527: default:
1.1 djm 2528: usage();
2529: }
2530: }
1.201 djm 2531:
2532: /* Do this last because we want the user to be able to override it */
2533: addargs(&args, "-oForwardAgent no");
1.45 djm 2534:
2535: if (!isatty(STDERR_FILENO))
2536: showprogress = 0;
1.199 djm 2537:
2538: if (noisy)
2539: quiet = 0;
1.1 djm 2540:
1.29 markus 2541: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2542:
1.23 djm 2543: if (sftp_direct == NULL) {
2544: if (optind == argc || argc > (optind + 2))
2545: usage();
1.181 millert 2546: argv += optind;
1.23 djm 2547:
1.181 millert 2548: switch (parse_uri("sftp", *argv, &user, &host, &tmp, &file1)) {
2549: case -1:
2550: usage();
2551: break;
2552: case 0:
2553: if (tmp != -1)
2554: port = tmp;
2555: break;
2556: default:
1.192 dtucker 2557: /* Try with user, host and path. */
1.181 millert 2558: if (parse_user_host_path(*argv, &user, &host,
1.192 dtucker 2559: &file1) == 0)
2560: break;
2561: /* Try with user and host. */
2562: if (parse_user_host_port(*argv, &user, &host, NULL)
2563: == 0)
2564: break;
2565: /* Treat as a plain hostname. */
2566: host = xstrdup(*argv);
2567: host = cleanhostname(host);
1.181 millert 2568: break;
1.23 djm 2569: }
1.181 millert 2570: file2 = *(argv + 1);
1.3 djm 2571:
1.23 djm 2572: if (!*host) {
2573: fprintf(stderr, "Missing hostname\n");
1.1 djm 2574: usage();
2575: }
2576:
1.181 millert 2577: if (port != -1)
2578: addargs(&args, "-oPort %d", port);
2579: if (user != NULL) {
2580: addargs(&args, "-l");
2581: addargs(&args, "%s", user);
2582: }
1.23 djm 2583:
2584: /* no subsystem if the server-spec contains a '/' */
2585: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2586: addargs(&args, "-s");
2587:
1.115 guenther 2588: addargs(&args, "--");
1.23 djm 2589: addargs(&args, "%s", host);
1.27 markus 2590: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2591: sftp_server : "sftp"));
2592:
1.36 djm 2593: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2594: } else {
1.217 djm 2595: if ((r = argv_split(sftp_direct, &tmp, &cpp, 1)) != 0)
2596: fatal_r(r, "Parse -D arguments");
2597: if (cpp[0] == 0)
2598: fatal("No sftp server specified via -D");
2599: connect_to_server(cpp[0], cpp, &in, &out);
2600: argv_free(cpp, tmp);
1.1 djm 2601: }
1.70 djm 2602: freeargs(&args);
1.1 djm 2603:
1.126 djm 2604: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2605: if (conn == NULL)
2606: fatal("Couldn't initialise connection to server");
2607:
1.143 djm 2608: if (!quiet) {
1.112 djm 2609: if (sftp_direct == NULL)
2610: fprintf(stderr, "Connected to %s.\n", host);
2611: else
2612: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2613: }
2614:
2615: err = interactive_loop(conn, file1, file2);
1.1 djm 2616:
2617: close(in);
2618: close(out);
1.39 djm 2619: if (batchmode)
1.10 deraadt 2620: fclose(infile);
1.1 djm 2621:
1.185 bluhm 2622: while (waitpid(sshpid, NULL, 0) == -1 && sshpid > 1)
1.28 markus 2623: if (errno != EINTR)
2624: fatal("Couldn't wait for ssh process: %s",
2625: strerror(errno));
1.1 djm 2626:
1.33 djm 2627: exit(err == 0 ? 0 : 1);
1.1 djm 2628: }
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