Annotation of src/usr.bin/ssh/sftp.c, Revision 1.186
1.186 ! dtucker 1: /* $OpenBSD: sftp.c,v 1.185 2018/04/26 14:47:03 bluhm Exp $ */
1.1 djm 2: /*
1.42 djm 3: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 4: *
1.42 djm 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 djm 8: *
1.42 djm 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 16: */
17:
1.91 deraadt 18: #include <sys/types.h>
1.72 stevesk 19: #include <sys/ioctl.h>
1.73 stevesk 20: #include <sys/wait.h>
1.75 stevesk 21: #include <sys/stat.h>
1.83 stevesk 22: #include <sys/socket.h>
1.100 djm 23: #include <sys/statvfs.h>
1.44 djm 24:
1.97 djm 25: #include <ctype.h>
1.85 stevesk 26: #include <errno.h>
1.44 djm 27: #include <glob.h>
1.57 djm 28: #include <histedit.h>
1.71 stevesk 29: #include <paths.h>
1.111 djm 30: #include <libgen.h>
1.146 dtucker 31: #include <locale.h>
1.74 stevesk 32: #include <signal.h>
1.174 schwarze 33: #include <stdarg.h>
1.89 stevesk 34: #include <stdlib.h>
1.90 stevesk 35: #include <stdio.h>
1.87 stevesk 36: #include <string.h>
1.86 stevesk 37: #include <unistd.h>
1.170 deraadt 38: #include <limits.h>
1.100 djm 39: #include <util.h>
1.91 deraadt 40: #include <stdarg.h>
1.1 djm 41:
42: #include "xmalloc.h"
43: #include "log.h"
44: #include "pathnames.h"
1.16 mouring 45: #include "misc.h"
1.174 schwarze 46: #include "utf8.h"
1.1 djm 47:
48: #include "sftp.h"
1.169 djm 49: #include "ssherr.h"
50: #include "sshbuf.h"
1.1 djm 51: #include "sftp-common.h"
52: #include "sftp-client.h"
1.43 djm 53:
1.112 djm 54: #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
55: #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
56:
1.44 djm 57: /* File to read commands from */
58: FILE* infile;
1.15 mouring 59:
1.44 djm 60: /* Are we in batchfile mode? */
1.39 djm 61: int batchmode = 0;
1.44 djm 62:
63: /* PID of ssh transport process */
1.185 bluhm 64: static volatile pid_t sshpid = -1;
1.7 markus 65:
1.143 djm 66: /* Suppress diagnositic messages */
67: int quiet = 0;
68:
1.44 djm 69: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 70: int showprogress = 1;
1.44 djm 71:
1.111 djm 72: /* When this option is set, we always recursively download/upload directories */
73: int global_rflag = 0;
74:
1.159 logan 75: /* When this option is set, we resume download or upload if possible */
1.148 djm 76: int global_aflag = 0;
77:
1.111 djm 78: /* When this option is set, the file transfers will always preserve times */
79: int global_pflag = 0;
80:
1.156 djm 81: /* When this option is set, transfers will have fsync() called on each file */
82: int global_fflag = 0;
83:
1.46 djm 84: /* SIGINT received during command processing */
85: volatile sig_atomic_t interrupted = 0;
86:
1.52 djm 87: /* I wish qsort() took a separate ctx for the comparison function...*/
88: int sort_flag;
1.180 djm 89: glob_t *sort_glob;
1.52 djm 90:
1.116 djm 91: /* Context used for commandline completion */
92: struct complete_ctx {
93: struct sftp_conn *conn;
94: char **remote_pathp;
95: };
96:
1.44 djm 97: int remote_glob(struct sftp_conn *, const char *, int,
98: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
99:
100: /* Separators for interactive commands */
101: #define WHITESPACE " \t\r\n"
102:
1.52 djm 103: /* ls flags */
1.119 djm 104: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
105: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
106: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
107: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
108: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
109: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
110: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
111: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
112: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 113:
1.119 djm 114: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 115: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 116:
117: /* Commands for interactive mode */
1.149 djm 118: enum sftp_command {
119: I_CHDIR = 1,
120: I_CHGRP,
121: I_CHMOD,
122: I_CHOWN,
123: I_DF,
124: I_GET,
125: I_HELP,
126: I_LCHDIR,
127: I_LINK,
128: I_LLS,
129: I_LMKDIR,
130: I_LPWD,
131: I_LS,
132: I_LUMASK,
133: I_MKDIR,
134: I_PUT,
135: I_PWD,
136: I_QUIT,
1.160 logan 137: I_REGET,
1.149 djm 138: I_RENAME,
1.160 logan 139: I_REPUT,
1.149 djm 140: I_RM,
141: I_RMDIR,
142: I_SHELL,
143: I_SYMLINK,
144: I_VERSION,
145: I_PROGRESS,
146: };
1.44 djm 147:
148: struct CMD {
149: const char *c;
150: const int n;
1.116 djm 151: const int t;
1.44 djm 152: };
153:
1.116 djm 154: /* Type of completion */
155: #define NOARGS 0
156: #define REMOTE 1
157: #define LOCAL 2
158:
1.44 djm 159: static const struct CMD cmds[] = {
1.116 djm 160: { "bye", I_QUIT, NOARGS },
161: { "cd", I_CHDIR, REMOTE },
162: { "chdir", I_CHDIR, REMOTE },
163: { "chgrp", I_CHGRP, REMOTE },
164: { "chmod", I_CHMOD, REMOTE },
165: { "chown", I_CHOWN, REMOTE },
166: { "df", I_DF, REMOTE },
167: { "dir", I_LS, REMOTE },
168: { "exit", I_QUIT, NOARGS },
169: { "get", I_GET, REMOTE },
170: { "help", I_HELP, NOARGS },
171: { "lcd", I_LCHDIR, LOCAL },
172: { "lchdir", I_LCHDIR, LOCAL },
173: { "lls", I_LLS, LOCAL },
174: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 175: { "ln", I_LINK, REMOTE },
1.116 djm 176: { "lpwd", I_LPWD, LOCAL },
177: { "ls", I_LS, REMOTE },
178: { "lumask", I_LUMASK, NOARGS },
179: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 180: { "mget", I_GET, REMOTE },
181: { "mput", I_PUT, LOCAL },
1.116 djm 182: { "progress", I_PROGRESS, NOARGS },
183: { "put", I_PUT, LOCAL },
184: { "pwd", I_PWD, REMOTE },
185: { "quit", I_QUIT, NOARGS },
1.148 djm 186: { "reget", I_REGET, REMOTE },
1.116 djm 187: { "rename", I_RENAME, REMOTE },
1.167 djm 188: { "reput", I_REPUT, LOCAL },
1.116 djm 189: { "rm", I_RM, REMOTE },
190: { "rmdir", I_RMDIR, REMOTE },
191: { "symlink", I_SYMLINK, REMOTE },
192: { "version", I_VERSION, NOARGS },
193: { "!", I_SHELL, NOARGS },
194: { "?", I_HELP, NOARGS },
195: { NULL, -1, -1 }
1.44 djm 196: };
197:
1.96 stevesk 198: /* ARGSUSED */
1.44 djm 199: static void
1.46 djm 200: killchild(int signo)
201: {
1.61 dtucker 202: if (sshpid > 1) {
1.46 djm 203: kill(sshpid, SIGTERM);
1.61 dtucker 204: waitpid(sshpid, NULL, 0);
205: }
1.46 djm 206:
207: _exit(1);
208: }
209:
1.96 stevesk 210: /* ARGSUSED */
1.46 djm 211: static void
1.177 millert 212: suspchild(int signo)
213: {
214: if (sshpid > 1) {
215: kill(sshpid, signo);
216: while (waitpid(sshpid, NULL, WUNTRACED) == -1 && errno == EINTR)
217: continue;
218: }
219: kill(getpid(), SIGSTOP);
220: }
221:
222: /* ARGSUSED */
223: static void
1.46 djm 224: cmd_interrupt(int signo)
225: {
226: const char msg[] = "\rInterrupt \n";
1.59 djm 227: int olderrno = errno;
1.46 djm 228:
1.144 dtucker 229: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 230: interrupted = 1;
1.59 djm 231: errno = olderrno;
1.46 djm 232: }
233:
1.184 djm 234: /*ARGSUSED*/
235: static void
236: sigchld_handler(int sig)
237: {
238: int save_errno = errno;
239: pid_t pid;
240: const char msg[] = "\rConnection closed. \n";
241:
242: /* Report if ssh transport process dies. */
243: while ((pid = waitpid(sshpid, NULL, WNOHANG)) == -1 && errno == EINTR)
244: continue;
1.185 bluhm 245: if (pid == sshpid) {
1.184 djm 246: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.185 bluhm 247: sshpid = -1;
248: }
1.184 djm 249:
250: errno = save_errno;
251: }
252:
1.46 djm 253: static void
1.44 djm 254: help(void)
255: {
1.106 sobrado 256: printf("Available commands:\n"
257: "bye Quit sftp\n"
258: "cd path Change remote directory to 'path'\n"
259: "chgrp grp path Change group of file 'path' to 'grp'\n"
260: "chmod mode path Change permissions of file 'path' to 'mode'\n"
261: "chown own path Change owner of file 'path' to 'own'\n"
262: "df [-hi] [path] Display statistics for current directory or\n"
263: " filesystem containing 'path'\n"
264: "exit Quit sftp\n"
1.167 djm 265: "get [-afPpRr] remote [local] Download file\n"
266: "reget [-fPpRr] remote [local] Resume download file\n"
267: "reput [-fPpRr] [local] remote Resume upload file\n"
1.106 sobrado 268: "help Display this help text\n"
269: "lcd path Change local directory to 'path'\n"
270: "lls [ls-options [path]] Display local directory listing\n"
271: "lmkdir path Create local directory\n"
1.132 djm 272: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 273: "lpwd Print local working directory\n"
1.121 jmc 274: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 275: "lumask umask Set local umask to 'umask'\n"
276: "mkdir path Create remote directory\n"
277: "progress Toggle display of progress meter\n"
1.167 djm 278: "put [-afPpRr] local [remote] Upload file\n"
1.106 sobrado 279: "pwd Display remote working directory\n"
280: "quit Quit sftp\n"
281: "rename oldpath newpath Rename remote file\n"
282: "rm path Delete remote file\n"
283: "rmdir path Remove remote directory\n"
284: "symlink oldpath newpath Symlink remote file\n"
285: "version Show SFTP version\n"
286: "!command Execute 'command' in local shell\n"
287: "! Escape to local shell\n"
288: "? Synonym for help\n");
1.44 djm 289: }
290:
291: static void
292: local_do_shell(const char *args)
293: {
294: int status;
295: char *shell;
296: pid_t pid;
297:
298: if (!*args)
299: args = NULL;
300:
1.130 djm 301: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 302: shell = _PATH_BSHELL;
303:
304: if ((pid = fork()) == -1)
305: fatal("Couldn't fork: %s", strerror(errno));
306:
307: if (pid == 0) {
308: /* XXX: child has pipe fds to ssh subproc open - issue? */
309: if (args) {
310: debug3("Executing %s -c \"%s\"", shell, args);
311: execl(shell, shell, "-c", args, (char *)NULL);
312: } else {
313: debug3("Executing %s", shell);
314: execl(shell, shell, (char *)NULL);
315: }
316: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
317: strerror(errno));
318: _exit(1);
319: }
320: while (waitpid(pid, &status, 0) == -1)
321: if (errno != EINTR)
322: fatal("Couldn't wait for child: %s", strerror(errno));
323: if (!WIFEXITED(status))
1.78 djm 324: error("Shell exited abnormally");
1.44 djm 325: else if (WEXITSTATUS(status))
326: error("Shell exited with status %d", WEXITSTATUS(status));
327: }
328:
329: static void
330: local_do_ls(const char *args)
331: {
332: if (!args || !*args)
333: local_do_shell(_PATH_LS);
334: else {
335: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
336: char *buf = xmalloc(len);
337:
338: /* XXX: quoting - rip quoting code from ftp? */
339: snprintf(buf, len, _PATH_LS " %s", args);
340: local_do_shell(buf);
1.145 djm 341: free(buf);
1.44 djm 342: }
343: }
344:
345: /* Strip one path (usually the pwd) from the start of another */
346: static char *
1.175 djm 347: path_strip(const char *path, const char *strip)
1.44 djm 348: {
349: size_t len;
350:
351: if (strip == NULL)
352: return (xstrdup(path));
353:
354: len = strlen(strip);
1.59 djm 355: if (strncmp(path, strip, len) == 0) {
1.44 djm 356: if (strip[len - 1] != '/' && path[len] == '/')
357: len++;
358: return (xstrdup(path + len));
359: }
360:
361: return (xstrdup(path));
362: }
363:
364: static char *
1.175 djm 365: make_absolute(char *p, const char *pwd)
1.44 djm 366: {
1.51 avsm 367: char *abs_str;
1.44 djm 368:
369: /* Derelativise */
370: if (p && p[0] != '/') {
1.51 avsm 371: abs_str = path_append(pwd, p);
1.145 djm 372: free(p);
1.51 avsm 373: return(abs_str);
1.44 djm 374: } else
375: return(p);
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
1.153 djm 543: parse_no_flags(const char *cmd, char **argv, int argc)
544: {
545: extern int opterr, optind, optopt, optreset;
546: int ch;
547:
548: optind = optreset = 1;
549: opterr = 0;
550:
551: while ((ch = getopt(argc, argv, "")) != -1) {
552: switch (ch) {
553: default:
554: error("%s: Invalid flag -%c", cmd, optopt);
555: return -1;
556: }
557: }
558:
559: return optind;
560: }
561:
562: static int
1.175 djm 563: is_dir(const char *path)
1.44 djm 564: {
565: struct stat sb;
566:
567: /* XXX: report errors? */
568: if (stat(path, &sb) == -1)
569: return(0);
570:
1.92 otto 571: return(S_ISDIR(sb.st_mode));
1.44 djm 572: }
573:
574: static int
1.175 djm 575: remote_is_dir(struct sftp_conn *conn, const char *path)
1.44 djm 576: {
577: Attrib *a;
578:
579: /* XXX: report errors? */
580: if ((a = do_stat(conn, path, 1)) == NULL)
581: return(0);
582: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
583: return(0);
1.92 otto 584: return(S_ISDIR(a->perm));
1.44 djm 585: }
586:
1.111 djm 587: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
588: static int
1.175 djm 589: pathname_is_dir(const char *pathname)
1.111 djm 590: {
591: size_t l = strlen(pathname);
592:
593: return l > 0 && pathname[l - 1] == '/';
594: }
595:
1.44 djm 596: static int
1.175 djm 597: process_get(struct sftp_conn *conn, const char *src, const char *dst,
598: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 599: {
600: char *abs_src = NULL;
601: char *abs_dst = NULL;
602: glob_t g;
1.111 djm 603: char *filename, *tmp=NULL;
1.164 djm 604: int i, r, err = 0;
1.44 djm 605:
606: abs_src = xstrdup(src);
607: abs_src = make_absolute(abs_src, pwd);
1.111 djm 608: memset(&g, 0, sizeof(g));
1.44 djm 609:
610: debug3("Looking up %s", abs_src);
1.164 djm 611: if ((r = remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) != 0) {
612: if (r == GLOB_NOSPACE) {
613: error("Too many matches for \"%s\".", abs_src);
614: } else {
615: error("File \"%s\" not found.", abs_src);
616: }
1.44 djm 617: err = -1;
618: goto out;
619: }
620:
1.111 djm 621: /*
622: * If multiple matches then dst must be a directory or
623: * unspecified.
624: */
625: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
626: error("Multiple source paths, but destination "
627: "\"%s\" is not a directory", dst);
1.44 djm 628: err = -1;
629: goto out;
630: }
631:
1.46 djm 632: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 633: tmp = xstrdup(g.gl_pathv[i]);
634: if ((filename = basename(tmp)) == NULL) {
635: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 636: free(tmp);
1.44 djm 637: err = -1;
638: goto out;
639: }
640:
641: if (g.gl_matchc == 1 && dst) {
642: if (is_dir(dst)) {
1.111 djm 643: abs_dst = path_append(dst, filename);
644: } else {
1.44 djm 645: abs_dst = xstrdup(dst);
1.111 djm 646: }
1.44 djm 647: } else if (dst) {
1.111 djm 648: abs_dst = path_append(dst, filename);
649: } else {
650: abs_dst = xstrdup(filename);
651: }
1.145 djm 652: free(tmp);
1.44 djm 653:
1.148 djm 654: resume |= global_aflag;
655: if (!quiet && resume)
1.174 schwarze 656: mprintf("Resuming %s to %s\n",
657: g.gl_pathv[i], abs_dst);
1.148 djm 658: else if (!quiet && !resume)
1.174 schwarze 659: mprintf("Fetching %s to %s\n",
660: g.gl_pathv[i], abs_dst);
1.111 djm 661: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 662: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 663: pflag || global_pflag, 1, resume,
664: fflag || global_fflag) == -1)
1.111 djm 665: err = -1;
666: } else {
667: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 668: pflag || global_pflag, resume,
669: fflag || global_fflag) == -1)
1.111 djm 670: err = -1;
671: }
1.145 djm 672: free(abs_dst);
1.44 djm 673: abs_dst = NULL;
674: }
675:
676: out:
1.145 djm 677: free(abs_src);
1.44 djm 678: globfree(&g);
679: return(err);
680: }
681:
682: static int
1.175 djm 683: process_put(struct sftp_conn *conn, const char *src, const char *dst,
684: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 685: {
686: char *tmp_dst = NULL;
687: char *abs_dst = NULL;
1.111 djm 688: char *tmp = NULL, *filename = NULL;
1.44 djm 689: glob_t g;
690: int err = 0;
1.111 djm 691: int i, dst_is_dir = 1;
1.99 djm 692: struct stat sb;
1.44 djm 693:
694: if (dst) {
695: tmp_dst = xstrdup(dst);
696: tmp_dst = make_absolute(tmp_dst, pwd);
697: }
698:
699: memset(&g, 0, sizeof(g));
700: debug3("Looking up %s", src);
1.111 djm 701: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 702: error("File \"%s\" not found.", src);
703: err = -1;
704: goto out;
705: }
706:
1.111 djm 707: /* If we aren't fetching to pwd then stash this status for later */
708: if (tmp_dst != NULL)
709: dst_is_dir = remote_is_dir(conn, tmp_dst);
710:
1.44 djm 711: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 712: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
713: error("Multiple paths match, but destination "
714: "\"%s\" is not a directory", tmp_dst);
1.44 djm 715: err = -1;
716: goto out;
717: }
718:
1.46 djm 719: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 720: if (stat(g.gl_pathv[i], &sb) == -1) {
721: err = -1;
722: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
723: continue;
724: }
1.149 djm 725:
1.111 djm 726: tmp = xstrdup(g.gl_pathv[i]);
727: if ((filename = basename(tmp)) == NULL) {
728: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 729: free(tmp);
1.44 djm 730: err = -1;
731: goto out;
732: }
733:
734: if (g.gl_matchc == 1 && tmp_dst) {
735: /* If directory specified, append filename */
1.111 djm 736: if (dst_is_dir)
737: abs_dst = path_append(tmp_dst, filename);
738: else
1.44 djm 739: abs_dst = xstrdup(tmp_dst);
740: } else if (tmp_dst) {
1.111 djm 741: abs_dst = path_append(tmp_dst, filename);
742: } else {
743: abs_dst = make_absolute(xstrdup(filename), pwd);
744: }
1.145 djm 745: free(tmp);
1.44 djm 746:
1.159 logan 747: resume |= global_aflag;
748: if (!quiet && resume)
1.174 schwarze 749: mprintf("Resuming upload of %s to %s\n",
750: g.gl_pathv[i], abs_dst);
1.159 logan 751: else if (!quiet && !resume)
1.174 schwarze 752: mprintf("Uploading %s to %s\n",
753: g.gl_pathv[i], abs_dst);
1.111 djm 754: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
755: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.159 logan 756: pflag || global_pflag, 1, resume,
1.156 djm 757: fflag || global_fflag) == -1)
1.111 djm 758: err = -1;
759: } else {
760: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.159 logan 761: pflag || global_pflag, resume,
1.156 djm 762: fflag || global_fflag) == -1)
1.111 djm 763: err = -1;
764: }
1.44 djm 765: }
766:
767: out:
1.145 djm 768: free(abs_dst);
769: free(tmp_dst);
1.44 djm 770: globfree(&g);
771: return(err);
772: }
773:
774: static int
775: sdirent_comp(const void *aa, const void *bb)
776: {
777: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
778: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 779: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 780:
1.52 djm 781: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 782: if (sort_flag & LS_NAME_SORT)
1.52 djm 783: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 784: else if (sort_flag & LS_TIME_SORT)
1.52 djm 785: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 786: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 787: return (rmul * NCMP(a->a.size, b->a.size));
788:
789: fatal("Unknown ls sort type");
1.44 djm 790: }
791:
792: /* sftp ls.1 replacement for directories */
793: static int
1.175 djm 794: do_ls_dir(struct sftp_conn *conn, const char *path,
795: const char *strip_path, int lflag)
1.44 djm 796: {
1.64 djm 797: int n;
798: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 799: SFTP_DIRENT **d;
800:
801: if ((n = do_readdir(conn, path, &d)) != 0)
802: return (n);
803:
1.53 djm 804: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 805: u_int m = 0, width = 80;
1.44 djm 806: struct winsize ws;
807: char *tmp;
808:
809: /* Count entries for sort and find longest filename */
1.54 djm 810: for (n = 0; d[n] != NULL; n++) {
811: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
1.176 deraadt 812: m = MAXIMUM(m, strlen(d[n]->filename));
1.54 djm 813: }
1.44 djm 814:
815: /* Add any subpath that also needs to be counted */
816: tmp = path_strip(path, strip_path);
817: m += strlen(tmp);
1.145 djm 818: free(tmp);
1.44 djm 819:
820: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
821: width = ws.ws_col;
822:
823: columns = width / (m + 2);
1.176 deraadt 824: columns = MAXIMUM(columns, 1);
1.44 djm 825: colspace = width / columns;
1.176 deraadt 826: colspace = MINIMUM(colspace, width);
1.44 djm 827: }
828:
1.52 djm 829: if (lflag & SORT_FLAGS) {
1.68 dtucker 830: for (n = 0; d[n] != NULL; n++)
831: ; /* count entries */
1.53 djm 832: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 833: qsort(d, n, sizeof(*d), sdirent_comp);
834: }
1.44 djm 835:
1.46 djm 836: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 837: char *tmp, *fname;
1.54 djm 838:
839: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
840: continue;
1.44 djm 841:
842: tmp = path_append(path, d[n]->filename);
843: fname = path_strip(tmp, strip_path);
1.145 djm 844: free(tmp);
1.44 djm 845:
1.53 djm 846: if (lflag & LS_LONG_VIEW) {
1.119 djm 847: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 848: char *lname;
849: struct stat sb;
850:
851: memset(&sb, 0, sizeof(sb));
852: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 853: lname = ls_file(fname, &sb, 1,
854: (lflag & LS_SI_UNITS));
1.174 schwarze 855: mprintf("%s\n", lname);
1.145 djm 856: free(lname);
1.50 djm 857: } else
1.174 schwarze 858: mprintf("%s\n", d[n]->longname);
1.44 djm 859: } else {
1.174 schwarze 860: mprintf("%-*s", colspace, fname);
1.44 djm 861: if (c >= columns) {
862: printf("\n");
863: c = 1;
864: } else
865: c++;
866: }
867:
1.145 djm 868: free(fname);
1.44 djm 869: }
870:
1.53 djm 871: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 872: printf("\n");
873:
874: free_sftp_dirents(d);
875: return (0);
876: }
877:
1.180 djm 878: static int
879: sglob_comp(const void *aa, const void *bb)
880: {
881: u_int a = *(const u_int *)aa;
882: u_int b = *(const u_int *)bb;
883: const char *ap = sort_glob->gl_pathv[a];
884: const char *bp = sort_glob->gl_pathv[b];
885: const struct stat *as = sort_glob->gl_statv[a];
886: const struct stat *bs = sort_glob->gl_statv[b];
887: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
888:
889: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
890: if (sort_flag & LS_NAME_SORT)
891: return (rmul * strcmp(ap, bp));
892: else if (sort_flag & LS_TIME_SORT)
893: return (rmul * timespeccmp(&as->st_mtim, &bs->st_mtim, <));
894: else if (sort_flag & LS_SIZE_SORT)
895: return (rmul * NCMP(as->st_size, bs->st_size));
896:
897: fatal("Unknown ls sort type");
898: }
899:
1.44 djm 900: /* sftp ls.1 replacement which handles path globs */
901: static int
1.175 djm 902: do_globbed_ls(struct sftp_conn *conn, const char *path,
903: const char *strip_path, int lflag)
1.44 djm 904: {
1.129 djm 905: char *fname, *lname;
1.44 djm 906: glob_t g;
1.164 djm 907: int err, r;
1.129 djm 908: struct winsize ws;
1.180 djm 909: u_int i, j, nentries, *indices = NULL, c = 1;
910: u_int colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 911:
912: memset(&g, 0, sizeof(g));
913:
1.164 djm 914: if ((r = remote_glob(conn, path,
1.133 djm 915: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
1.164 djm 916: NULL, &g)) != 0 ||
1.128 djm 917: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 918: if (g.gl_pathc)
919: globfree(&g);
1.164 djm 920: if (r == GLOB_NOSPACE) {
921: error("Can't ls: Too many matches for \"%s\"", path);
922: } else {
923: error("Can't ls: \"%s\" not found", path);
924: }
1.128 djm 925: return -1;
1.44 djm 926: }
927:
1.46 djm 928: if (interrupted)
929: goto out;
930:
1.44 djm 931: /*
1.60 fgsch 932: * If the glob returns a single match and it is a directory,
933: * then just list its contents.
1.44 djm 934: */
1.128 djm 935: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
936: S_ISDIR(g.gl_statv[0]->st_mode)) {
937: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
938: globfree(&g);
939: return err;
1.44 djm 940: }
941:
1.129 djm 942: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
943: width = ws.ws_col;
944:
1.53 djm 945: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 946: /* Count entries for sort and find longest filename */
947: for (i = 0; g.gl_pathv[i]; i++)
1.176 deraadt 948: m = MAXIMUM(m, strlen(g.gl_pathv[i]));
1.44 djm 949:
950: columns = width / (m + 2);
1.176 deraadt 951: columns = MAXIMUM(columns, 1);
1.44 djm 952: colspace = width / columns;
953: }
954:
1.180 djm 955: /*
956: * Sorting: rather than mess with the contents of glob_t, prepare
957: * an array of indices into it and sort that. For the usual
958: * unsorted case, the indices are just the identity 1=1, 2=2, etc.
959: */
960: for (nentries = 0; g.gl_pathv[nentries] != NULL; nentries++)
961: ; /* count entries */
962: indices = calloc(nentries, sizeof(*indices));
963: for (i = 0; i < nentries; i++)
964: indices[i] = i;
965:
966: if (lflag & SORT_FLAGS) {
967: sort_glob = &g;
968: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
969: qsort(indices, nentries, sizeof(*indices), sglob_comp);
970: sort_glob = NULL;
971: }
972:
973: for (j = 0; j < nentries && !interrupted; j++) {
974: i = indices[j];
1.44 djm 975: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 976: if (lflag & LS_LONG_VIEW) {
1.128 djm 977: if (g.gl_statv[i] == NULL) {
978: error("no stat information for %s", fname);
979: continue;
980: }
981: lname = ls_file(fname, g.gl_statv[i], 1,
982: (lflag & LS_SI_UNITS));
1.174 schwarze 983: mprintf("%s\n", lname);
1.145 djm 984: free(lname);
1.44 djm 985: } else {
1.174 schwarze 986: mprintf("%-*s", colspace, fname);
1.44 djm 987: if (c >= columns) {
988: printf("\n");
989: c = 1;
990: } else
991: c++;
992: }
1.145 djm 993: free(fname);
1.44 djm 994: }
995:
1.53 djm 996: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 997: printf("\n");
998:
1.46 djm 999: out:
1.44 djm 1000: if (g.gl_pathc)
1001: globfree(&g);
1.180 djm 1002: free(indices);
1.44 djm 1003:
1.128 djm 1004: return 0;
1.44 djm 1005: }
1006:
1.100 djm 1007: static int
1.175 djm 1008: do_df(struct sftp_conn *conn, const char *path, int hflag, int iflag)
1.100 djm 1009: {
1.101 dtucker 1010: struct sftp_statvfs st;
1.178 djm 1011: char s_used[FMT_SCALED_STRSIZE], s_avail[FMT_SCALED_STRSIZE];
1012: char s_root[FMT_SCALED_STRSIZE], s_total[FMT_SCALED_STRSIZE];
1013: char s_icapacity[16], s_dcapacity[16];
1.100 djm 1014:
1015: if (do_statvfs(conn, path, &st, 1) == -1)
1016: return -1;
1.178 djm 1017: if (st.f_files == 0)
1018: strlcpy(s_icapacity, "ERR", sizeof(s_icapacity));
1019: else {
1020: snprintf(s_icapacity, sizeof(s_icapacity), "%3llu%%",
1021: (unsigned long long)(100 * (st.f_files - st.f_ffree) /
1022: st.f_files));
1023: }
1024: if (st.f_blocks == 0)
1025: strlcpy(s_dcapacity, "ERR", sizeof(s_dcapacity));
1026: else {
1027: snprintf(s_dcapacity, sizeof(s_dcapacity), "%3llu%%",
1028: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
1029: st.f_blocks));
1030: }
1.100 djm 1031: if (iflag) {
1032: printf(" Inodes Used Avail "
1033: "(root) %%Capacity\n");
1.178 djm 1034: printf("%11llu %11llu %11llu %11llu %s\n",
1.100 djm 1035: (unsigned long long)st.f_files,
1036: (unsigned long long)(st.f_files - st.f_ffree),
1037: (unsigned long long)st.f_favail,
1.178 djm 1038: (unsigned long long)st.f_ffree, s_icapacity);
1.100 djm 1039: } else if (hflag) {
1040: strlcpy(s_used, "error", sizeof(s_used));
1041: strlcpy(s_avail, "error", sizeof(s_avail));
1042: strlcpy(s_root, "error", sizeof(s_root));
1043: strlcpy(s_total, "error", sizeof(s_total));
1044: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
1045: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
1046: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
1047: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
1048: printf(" Size Used Avail (root) %%Capacity\n");
1.178 djm 1049: printf("%7sB %7sB %7sB %7sB %s\n",
1050: s_total, s_used, s_avail, s_root, s_dcapacity);
1.100 djm 1051: } else {
1052: printf(" Size Used Avail "
1053: "(root) %%Capacity\n");
1.178 djm 1054: printf("%12llu %12llu %12llu %12llu %s\n",
1.100 djm 1055: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
1056: (unsigned long long)(st.f_frsize *
1057: (st.f_blocks - st.f_bfree) / 1024),
1058: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
1059: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
1.178 djm 1060: s_dcapacity);
1.100 djm 1061: }
1062: return 0;
1063: }
1064:
1.97 djm 1065: /*
1066: * Undo escaping of glob sequences in place. Used to undo extra escaping
1067: * applied in makeargv() when the string is destined for a function that
1068: * does not glob it.
1069: */
1070: static void
1071: undo_glob_escape(char *s)
1072: {
1073: size_t i, j;
1074:
1075: for (i = j = 0;;) {
1076: if (s[i] == '\0') {
1077: s[j] = '\0';
1078: return;
1079: }
1080: if (s[i] != '\\') {
1081: s[j++] = s[i++];
1082: continue;
1083: }
1084: /* s[i] == '\\' */
1085: ++i;
1086: switch (s[i]) {
1087: case '?':
1088: case '[':
1089: case '*':
1090: case '\\':
1091: s[j++] = s[i++];
1092: break;
1093: case '\0':
1094: s[j++] = '\\';
1095: s[j] = '\0';
1096: return;
1097: default:
1098: s[j++] = '\\';
1099: s[j++] = s[i++];
1100: break;
1101: }
1102: }
1103: }
1104:
1105: /*
1106: * Split a string into an argument vector using sh(1)-style quoting,
1107: * comment and escaping rules, but with some tweaks to handle glob(3)
1108: * wildcards.
1.116 djm 1109: * The "sloppy" flag allows for recovery from missing terminating quote, for
1110: * use in parsing incomplete commandlines during tab autocompletion.
1111: *
1.97 djm 1112: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1113: *
1114: * If "lastquote" is not NULL, the quoting character used for the last
1115: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1116: *
1.116 djm 1117: * If "terminated" is not NULL, *terminated will be set to 1 when the
1118: * last argument's quote has been properly terminated or 0 otherwise.
1119: * This parameter is only of use if "sloppy" is set.
1.97 djm 1120: */
1121: #define MAXARGS 128
1122: #define MAXARGLEN 8192
1123: static char **
1.116 djm 1124: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1125: u_int *terminated)
1.97 djm 1126: {
1127: int argc, quot;
1128: size_t i, j;
1129: static char argvs[MAXARGLEN];
1130: static char *argv[MAXARGS + 1];
1131: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1132:
1133: *argcp = argc = 0;
1134: if (strlen(arg) > sizeof(argvs) - 1) {
1135: args_too_longs:
1136: error("string too long");
1137: return NULL;
1138: }
1.116 djm 1139: if (terminated != NULL)
1140: *terminated = 1;
1141: if (lastquote != NULL)
1142: *lastquote = '\0';
1.97 djm 1143: state = MA_START;
1144: i = j = 0;
1145: for (;;) {
1.141 markus 1146: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1147: error("Too many arguments.");
1148: return NULL;
1149: }
1.158 deraadt 1150: if (isspace((unsigned char)arg[i])) {
1.97 djm 1151: if (state == MA_UNQUOTED) {
1152: /* Terminate current argument */
1153: argvs[j++] = '\0';
1154: argc++;
1155: state = MA_START;
1156: } else if (state != MA_START)
1157: argvs[j++] = arg[i];
1158: } else if (arg[i] == '"' || arg[i] == '\'') {
1159: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1160: if (state == MA_START) {
1161: argv[argc] = argvs + j;
1162: state = q;
1.116 djm 1163: if (lastquote != NULL)
1164: *lastquote = arg[i];
1.149 djm 1165: } else if (state == MA_UNQUOTED)
1.97 djm 1166: state = q;
1167: else if (state == q)
1168: state = MA_UNQUOTED;
1169: else
1170: argvs[j++] = arg[i];
1171: } else if (arg[i] == '\\') {
1172: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1173: quot = state == MA_SQUOTE ? '\'' : '"';
1174: /* Unescape quote we are in */
1175: /* XXX support \n and friends? */
1176: if (arg[i + 1] == quot) {
1177: i++;
1178: argvs[j++] = arg[i];
1179: } else if (arg[i + 1] == '?' ||
1180: arg[i + 1] == '[' || arg[i + 1] == '*') {
1181: /*
1182: * Special case for sftp: append
1183: * double-escaped glob sequence -
1184: * glob will undo one level of
1185: * escaping. NB. string can grow here.
1186: */
1187: if (j >= sizeof(argvs) - 5)
1188: goto args_too_longs;
1189: argvs[j++] = '\\';
1190: argvs[j++] = arg[i++];
1191: argvs[j++] = '\\';
1192: argvs[j++] = arg[i];
1193: } else {
1194: argvs[j++] = arg[i++];
1195: argvs[j++] = arg[i];
1196: }
1197: } else {
1198: if (state == MA_START) {
1199: argv[argc] = argvs + j;
1200: state = MA_UNQUOTED;
1.116 djm 1201: if (lastquote != NULL)
1202: *lastquote = '\0';
1.97 djm 1203: }
1204: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1205: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1206: /*
1207: * Special case for sftp: append
1208: * escaped glob sequence -
1209: * glob will undo one level of
1210: * escaping.
1211: */
1212: argvs[j++] = arg[i++];
1213: argvs[j++] = arg[i];
1214: } else {
1215: /* Unescape everything */
1216: /* XXX support \n and friends? */
1217: i++;
1218: argvs[j++] = arg[i];
1219: }
1220: }
1221: } else if (arg[i] == '#') {
1222: if (state == MA_SQUOTE || state == MA_DQUOTE)
1223: argvs[j++] = arg[i];
1224: else
1225: goto string_done;
1226: } else if (arg[i] == '\0') {
1227: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1228: if (sloppy) {
1229: state = MA_UNQUOTED;
1230: if (terminated != NULL)
1231: *terminated = 0;
1232: goto string_done;
1233: }
1.97 djm 1234: error("Unterminated quoted argument");
1235: return NULL;
1236: }
1237: string_done:
1238: if (state == MA_UNQUOTED) {
1239: argvs[j++] = '\0';
1240: argc++;
1241: }
1242: break;
1243: } else {
1244: if (state == MA_START) {
1245: argv[argc] = argvs + j;
1246: state = MA_UNQUOTED;
1.116 djm 1247: if (lastquote != NULL)
1248: *lastquote = '\0';
1.97 djm 1249: }
1250: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1251: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1252: /*
1253: * Special case for sftp: escape quoted
1254: * glob(3) wildcards. NB. string can grow
1255: * here.
1256: */
1257: if (j >= sizeof(argvs) - 3)
1258: goto args_too_longs;
1259: argvs[j++] = '\\';
1260: argvs[j++] = arg[i];
1261: } else
1262: argvs[j++] = arg[i];
1263: }
1264: i++;
1265: }
1266: *argcp = argc;
1267: return argv;
1268: }
1269:
1.44 djm 1270: static int
1.159 logan 1271: parse_args(const char **cpp, int *ignore_errors, int *aflag,
1.173 djm 1272: int *fflag, int *hflag, int *iflag, int *lflag, int *pflag,
1.159 logan 1273: int *rflag, int *sflag,
1.156 djm 1274: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1275: {
1276: const char *cmd, *cp = *cpp;
1.97 djm 1277: char *cp2, **argv;
1.44 djm 1278: int base = 0;
1279: long l;
1.182 djm 1280: int path1_mandatory = 0, i, cmdnum, optidx, argc;
1.44 djm 1281:
1282: /* Skip leading whitespace */
1283: cp = cp + strspn(cp, WHITESPACE);
1284:
1285: /* Check for leading '-' (disable error processing) */
1.156 djm 1286: *ignore_errors = 0;
1.44 djm 1287: if (*cp == '-') {
1.156 djm 1288: *ignore_errors = 1;
1.44 djm 1289: cp++;
1.118 dtucker 1290: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1291: }
1.118 dtucker 1292:
1293: /* Ignore blank lines and lines which begin with comment '#' char */
1294: if (*cp == '\0' || *cp == '#')
1295: return (0);
1.44 djm 1296:
1.116 djm 1297: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1298: return -1;
1299:
1.44 djm 1300: /* Figure out which command we have */
1.97 djm 1301: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1302: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1303: break;
1304: }
1305: cmdnum = cmds[i].n;
1306: cmd = cmds[i].c;
1307:
1308: /* Special case */
1309: if (*cp == '!') {
1310: cp++;
1311: cmdnum = I_SHELL;
1312: } else if (cmdnum == -1) {
1313: error("Invalid command.");
1.97 djm 1314: return -1;
1.44 djm 1315: }
1316:
1317: /* Get arguments and parse flags */
1.156 djm 1318: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1319: *rflag = *sflag = 0;
1.44 djm 1320: *path1 = *path2 = NULL;
1.97 djm 1321: optidx = 1;
1.44 djm 1322: switch (cmdnum) {
1323: case I_GET:
1.148 djm 1324: case I_REGET:
1.159 logan 1325: case I_REPUT:
1.44 djm 1326: case I_PUT:
1.132 djm 1327: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1328: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1329: return -1;
1.44 djm 1330: /* Get first pathname (mandatory) */
1.97 djm 1331: if (argc - optidx < 1) {
1.44 djm 1332: error("You must specify at least one path after a "
1333: "%s command.", cmd);
1.97 djm 1334: return -1;
1335: }
1336: *path1 = xstrdup(argv[optidx]);
1337: /* Get second pathname (optional) */
1338: if (argc - optidx > 1) {
1339: *path2 = xstrdup(argv[optidx + 1]);
1340: /* Destination is not globbed */
1341: undo_glob_escape(*path2);
1.44 djm 1342: }
1343: break;
1.132 djm 1344: case I_LINK:
1345: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1346: return -1;
1.152 djm 1347: goto parse_two_paths;
1348: case I_RENAME:
1349: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1350: return -1;
1351: goto parse_two_paths;
1.132 djm 1352: case I_SYMLINK:
1.153 djm 1353: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1354: return -1;
1.152 djm 1355: parse_two_paths:
1.97 djm 1356: if (argc - optidx < 2) {
1.44 djm 1357: error("You must specify two paths after a %s "
1358: "command.", cmd);
1.97 djm 1359: return -1;
1.44 djm 1360: }
1.97 djm 1361: *path1 = xstrdup(argv[optidx]);
1362: *path2 = xstrdup(argv[optidx + 1]);
1363: /* Paths are not globbed */
1364: undo_glob_escape(*path1);
1365: undo_glob_escape(*path2);
1.44 djm 1366: break;
1367: case I_RM:
1368: case I_MKDIR:
1369: case I_RMDIR:
1.182 djm 1370: case I_LMKDIR:
1371: path1_mandatory = 1;
1372: /* FALLTHROUGH */
1.44 djm 1373: case I_CHDIR:
1374: case I_LCHDIR:
1.153 djm 1375: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1376: return -1;
1.44 djm 1377: /* Get pathname (mandatory) */
1.97 djm 1378: if (argc - optidx < 1) {
1.182 djm 1379: if (!path1_mandatory)
1380: break; /* return a NULL path1 */
1.44 djm 1381: error("You must specify a path after a %s command.",
1382: cmd);
1.97 djm 1383: return -1;
1.44 djm 1384: }
1.97 djm 1385: *path1 = xstrdup(argv[optidx]);
1386: /* Only "rm" globs */
1387: if (cmdnum != I_RM)
1388: undo_glob_escape(*path1);
1.44 djm 1389: break;
1.100 djm 1390: case I_DF:
1391: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1392: iflag)) == -1)
1393: return -1;
1394: /* Default to current directory if no path specified */
1395: if (argc - optidx < 1)
1396: *path1 = NULL;
1397: else {
1398: *path1 = xstrdup(argv[optidx]);
1399: undo_glob_escape(*path1);
1400: }
1401: break;
1.44 djm 1402: case I_LS:
1.97 djm 1403: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1404: return(-1);
1405: /* Path is optional */
1.97 djm 1406: if (argc - optidx > 0)
1407: *path1 = xstrdup(argv[optidx]);
1.44 djm 1408: break;
1409: case I_LLS:
1.98 djm 1410: /* Skip ls command and following whitespace */
1411: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1412: case I_SHELL:
1413: /* Uses the rest of the line */
1414: break;
1415: case I_LUMASK:
1416: case I_CHMOD:
1417: base = 8;
1.186 ! dtucker 1418: /* FALLTHROUGH */
1.44 djm 1419: case I_CHOWN:
1420: case I_CHGRP:
1.153 djm 1421: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1422: return -1;
1.44 djm 1423: /* Get numeric arg (mandatory) */
1.97 djm 1424: if (argc - optidx < 1)
1425: goto need_num_arg;
1.93 ray 1426: errno = 0;
1.97 djm 1427: l = strtol(argv[optidx], &cp2, base);
1428: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1429: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1430: l < 0) {
1431: need_num_arg:
1.44 djm 1432: error("You must supply a numeric argument "
1433: "to the %s command.", cmd);
1.97 djm 1434: return -1;
1.44 djm 1435: }
1436: *n_arg = l;
1.97 djm 1437: if (cmdnum == I_LUMASK)
1.44 djm 1438: break;
1439: /* Get pathname (mandatory) */
1.97 djm 1440: if (argc - optidx < 2) {
1.44 djm 1441: error("You must specify a path after a %s command.",
1442: cmd);
1.97 djm 1443: return -1;
1.44 djm 1444: }
1.97 djm 1445: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1446: break;
1447: case I_QUIT:
1448: case I_PWD:
1449: case I_LPWD:
1450: case I_HELP:
1451: case I_VERSION:
1452: case I_PROGRESS:
1.153 djm 1453: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1454: return -1;
1.44 djm 1455: break;
1456: default:
1457: fatal("Command not implemented");
1458: }
1459:
1460: *cpp = cp;
1461: return(cmdnum);
1462: }
1463:
1464: static int
1465: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1.182 djm 1466: const char *startdir, int err_abort)
1.44 djm 1467: {
1468: char *path1, *path2, *tmp;
1.173 djm 1469: int ignore_errors = 0, aflag = 0, fflag = 0, hflag = 0,
1.159 logan 1470: iflag = 0;
1.156 djm 1471: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1472: int cmdnum, i;
1.107 dtucker 1473: unsigned long n_arg = 0;
1.44 djm 1474: Attrib a, *aa;
1.170 deraadt 1475: char path_buf[PATH_MAX];
1.44 djm 1476: int err = 0;
1477: glob_t g;
1478:
1479: path1 = path2 = NULL;
1.156 djm 1480: cmdnum = parse_args(&cmd, &ignore_errors, &aflag, &fflag, &hflag,
1481: &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg, &path1, &path2);
1482: if (ignore_errors != 0)
1.44 djm 1483: err_abort = 0;
1484:
1485: memset(&g, 0, sizeof(g));
1486:
1487: /* Perform command */
1488: switch (cmdnum) {
1489: case 0:
1490: /* Blank line */
1491: break;
1492: case -1:
1493: /* Unrecognized command */
1494: err = -1;
1495: break;
1.148 djm 1496: case I_REGET:
1497: aflag = 1;
1498: /* FALLTHROUGH */
1.44 djm 1499: case I_GET:
1.148 djm 1500: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1501: rflag, aflag, fflag);
1.44 djm 1502: break;
1.159 logan 1503: case I_REPUT:
1504: aflag = 1;
1505: /* FALLTHROUGH */
1.44 djm 1506: case I_PUT:
1.156 djm 1507: err = process_put(conn, path1, path2, *pwd, pflag,
1.159 logan 1508: rflag, aflag, fflag);
1.44 djm 1509: break;
1510: case I_RENAME:
1511: path1 = make_absolute(path1, *pwd);
1512: path2 = make_absolute(path2, *pwd);
1.152 djm 1513: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1514: break;
1515: case I_SYMLINK:
1.132 djm 1516: sflag = 1;
1.186 ! dtucker 1517: /* FALLTHROUGH */
1.132 djm 1518: case I_LINK:
1.151 djm 1519: if (!sflag)
1520: path1 = make_absolute(path1, *pwd);
1.44 djm 1521: path2 = make_absolute(path2, *pwd);
1.132 djm 1522: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1523: break;
1524: case I_RM:
1525: path1 = make_absolute(path1, *pwd);
1526: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1527: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1528: if (!quiet)
1.174 schwarze 1529: mprintf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1530: err = do_rm(conn, g.gl_pathv[i]);
1531: if (err != 0 && err_abort)
1532: break;
1533: }
1534: break;
1535: case I_MKDIR:
1536: path1 = make_absolute(path1, *pwd);
1537: attrib_clear(&a);
1538: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1539: a.perm = 0777;
1.111 djm 1540: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1541: break;
1542: case I_RMDIR:
1543: path1 = make_absolute(path1, *pwd);
1544: err = do_rmdir(conn, path1);
1545: break;
1546: case I_CHDIR:
1.182 djm 1547: if (path1 == NULL || *path1 == '\0')
1548: path1 = xstrdup(startdir);
1.44 djm 1549: path1 = make_absolute(path1, *pwd);
1550: if ((tmp = do_realpath(conn, path1)) == NULL) {
1551: err = 1;
1552: break;
1553: }
1554: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1555: free(tmp);
1.44 djm 1556: err = 1;
1557: break;
1558: }
1559: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1560: error("Can't change directory: Can't check target");
1.145 djm 1561: free(tmp);
1.44 djm 1562: err = 1;
1563: break;
1564: }
1565: if (!S_ISDIR(aa->perm)) {
1566: error("Can't change directory: \"%s\" is not "
1567: "a directory", tmp);
1.145 djm 1568: free(tmp);
1.44 djm 1569: err = 1;
1570: break;
1571: }
1.145 djm 1572: free(*pwd);
1.44 djm 1573: *pwd = tmp;
1574: break;
1575: case I_LS:
1576: if (!path1) {
1.125 djm 1577: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1578: break;
1579: }
1580:
1581: /* Strip pwd off beginning of non-absolute paths */
1582: tmp = NULL;
1583: if (*path1 != '/')
1584: tmp = *pwd;
1585:
1586: path1 = make_absolute(path1, *pwd);
1587: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1588: break;
1589: case I_DF:
1590: /* Default to current directory if no path specified */
1591: if (path1 == NULL)
1592: path1 = xstrdup(*pwd);
1593: path1 = make_absolute(path1, *pwd);
1594: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1595: break;
1596: case I_LCHDIR:
1.182 djm 1597: if (path1 == NULL || *path1 == '\0')
1598: path1 = xstrdup("~");
1.166 deraadt 1599: tmp = tilde_expand_filename(path1, getuid());
1.165 djm 1600: free(path1);
1601: path1 = tmp;
1.44 djm 1602: if (chdir(path1) == -1) {
1603: error("Couldn't change local directory to "
1604: "\"%s\": %s", path1, strerror(errno));
1605: err = 1;
1606: }
1607: break;
1608: case I_LMKDIR:
1609: if (mkdir(path1, 0777) == -1) {
1610: error("Couldn't create local directory "
1611: "\"%s\": %s", path1, strerror(errno));
1612: err = 1;
1613: }
1614: break;
1615: case I_LLS:
1616: local_do_ls(cmd);
1617: break;
1618: case I_SHELL:
1619: local_do_shell(cmd);
1620: break;
1621: case I_LUMASK:
1622: umask(n_arg);
1623: printf("Local umask: %03lo\n", n_arg);
1624: break;
1625: case I_CHMOD:
1626: path1 = make_absolute(path1, *pwd);
1627: attrib_clear(&a);
1628: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1629: a.perm = n_arg;
1630: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1631: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1632: if (!quiet)
1.174 schwarze 1633: mprintf("Changing mode on %s\n",
1634: g.gl_pathv[i]);
1.44 djm 1635: err = do_setstat(conn, g.gl_pathv[i], &a);
1636: if (err != 0 && err_abort)
1637: break;
1638: }
1639: break;
1640: case I_CHOWN:
1641: case I_CHGRP:
1642: path1 = make_absolute(path1, *pwd);
1643: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1644: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1645: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1646: if (err_abort) {
1647: err = -1;
1.44 djm 1648: break;
1.104 djm 1649: } else
1.44 djm 1650: continue;
1651: }
1652: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1653: error("Can't get current ownership of "
1654: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1655: if (err_abort) {
1656: err = -1;
1.44 djm 1657: break;
1.104 djm 1658: } else
1.44 djm 1659: continue;
1660: }
1661: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1662: if (cmdnum == I_CHOWN) {
1.143 djm 1663: if (!quiet)
1.174 schwarze 1664: mprintf("Changing owner on %s\n",
1.143 djm 1665: g.gl_pathv[i]);
1.44 djm 1666: aa->uid = n_arg;
1667: } else {
1.143 djm 1668: if (!quiet)
1.174 schwarze 1669: mprintf("Changing group on %s\n",
1.143 djm 1670: g.gl_pathv[i]);
1.44 djm 1671: aa->gid = n_arg;
1672: }
1673: err = do_setstat(conn, g.gl_pathv[i], aa);
1674: if (err != 0 && err_abort)
1675: break;
1676: }
1677: break;
1678: case I_PWD:
1.174 schwarze 1679: mprintf("Remote working directory: %s\n", *pwd);
1.44 djm 1680: break;
1681: case I_LPWD:
1682: if (!getcwd(path_buf, sizeof(path_buf))) {
1683: error("Couldn't get local cwd: %s", strerror(errno));
1684: err = -1;
1685: break;
1686: }
1.174 schwarze 1687: mprintf("Local working directory: %s\n", path_buf);
1.44 djm 1688: break;
1689: case I_QUIT:
1690: /* Processed below */
1691: break;
1692: case I_HELP:
1693: help();
1694: break;
1695: case I_VERSION:
1696: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1697: break;
1698: case I_PROGRESS:
1699: showprogress = !showprogress;
1700: if (showprogress)
1701: printf("Progress meter enabled\n");
1702: else
1703: printf("Progress meter disabled\n");
1704: break;
1705: default:
1706: fatal("%d is not implemented", cmdnum);
1707: }
1708:
1709: if (g.gl_pathc)
1710: globfree(&g);
1.145 djm 1711: free(path1);
1712: free(path2);
1.44 djm 1713:
1714: /* If an unignored error occurs in batch mode we should abort. */
1715: if (err_abort && err != 0)
1716: return (-1);
1717: else if (cmdnum == I_QUIT)
1718: return (1);
1719:
1720: return (0);
1721: }
1722:
1.57 djm 1723: static char *
1724: prompt(EditLine *el)
1725: {
1726: return ("sftp> ");
1727: }
1728:
1.116 djm 1729: /* Display entries in 'list' after skipping the first 'len' chars */
1730: static void
1731: complete_display(char **list, u_int len)
1732: {
1733: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1734: struct winsize ws;
1735: char *tmp;
1736:
1737: /* Count entries for sort and find longest */
1.149 djm 1738: for (y = 0; list[y]; y++)
1.176 deraadt 1739: m = MAXIMUM(m, strlen(list[y]));
1.116 djm 1740:
1741: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1742: width = ws.ws_col;
1743:
1744: m = m > len ? m - len : 0;
1745: columns = width / (m + 2);
1.176 deraadt 1746: columns = MAXIMUM(columns, 1);
1.116 djm 1747: colspace = width / columns;
1.176 deraadt 1748: colspace = MINIMUM(colspace, width);
1.116 djm 1749:
1750: printf("\n");
1751: m = 1;
1752: for (y = 0; list[y]; y++) {
1753: llen = strlen(list[y]);
1754: tmp = llen > len ? list[y] + len : "";
1.174 schwarze 1755: mprintf("%-*s", colspace, tmp);
1.116 djm 1756: if (m >= columns) {
1757: printf("\n");
1758: m = 1;
1759: } else
1760: m++;
1761: }
1762: printf("\n");
1763: }
1764:
1765: /*
1766: * Given a "list" of words that begin with a common prefix of "word",
1767: * attempt to find an autocompletion to extends "word" by the next
1768: * characters common to all entries in "list".
1769: */
1770: static char *
1771: complete_ambiguous(const char *word, char **list, size_t count)
1772: {
1773: if (word == NULL)
1774: return NULL;
1775:
1776: if (count > 0) {
1777: u_int y, matchlen = strlen(list[0]);
1778:
1779: /* Find length of common stem */
1780: for (y = 1; list[y]; y++) {
1781: u_int x;
1782:
1.149 djm 1783: for (x = 0; x < matchlen; x++)
1784: if (list[0][x] != list[y][x])
1.116 djm 1785: break;
1786:
1787: matchlen = x;
1788: }
1789:
1790: if (matchlen > strlen(word)) {
1791: char *tmp = xstrdup(list[0]);
1792:
1.117 dtucker 1793: tmp[matchlen] = '\0';
1.116 djm 1794: return tmp;
1795: }
1.149 djm 1796: }
1.116 djm 1797:
1798: return xstrdup(word);
1799: }
1800:
1801: /* Autocomplete a sftp command */
1802: static int
1803: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1804: int terminated)
1805: {
1806: u_int y, count = 0, cmdlen, tmplen;
1807: char *tmp, **list, argterm[3];
1808: const LineInfo *lf;
1809:
1810: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1811:
1812: /* No command specified: display all available commands */
1813: if (cmd == NULL) {
1814: for (y = 0; cmds[y].c; y++)
1815: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1816:
1.116 djm 1817: list[count] = NULL;
1818: complete_display(list, 0);
1819:
1.149 djm 1820: for (y = 0; list[y] != NULL; y++)
1821: free(list[y]);
1.145 djm 1822: free(list);
1.116 djm 1823: return count;
1824: }
1825:
1826: /* Prepare subset of commands that start with "cmd" */
1827: cmdlen = strlen(cmd);
1828: for (y = 0; cmds[y].c; y++) {
1.149 djm 1829: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1830: list[count++] = xstrdup(cmds[y].c);
1831: }
1832: list[count] = NULL;
1833:
1.134 oga 1834: if (count == 0) {
1.145 djm 1835: free(list);
1.116 djm 1836: return 0;
1.134 oga 1837: }
1.116 djm 1838:
1.183 djm 1839: /* Complete ambiguous command */
1.116 djm 1840: tmp = complete_ambiguous(cmd, list, count);
1841: if (count > 1)
1842: complete_display(list, 0);
1843:
1.149 djm 1844: for (y = 0; list[y]; y++)
1845: free(list[y]);
1.145 djm 1846: free(list);
1.116 djm 1847:
1848: if (tmp != NULL) {
1849: tmplen = strlen(tmp);
1850: cmdlen = strlen(cmd);
1851: /* If cmd may be extended then do so */
1852: if (tmplen > cmdlen)
1853: if (el_insertstr(el, tmp + cmdlen) == -1)
1854: fatal("el_insertstr failed.");
1855: lf = el_line(el);
1856: /* Terminate argument cleanly */
1857: if (count == 1) {
1858: y = 0;
1859: if (!terminated)
1860: argterm[y++] = quote;
1861: if (lastarg || *(lf->cursor) != ' ')
1862: argterm[y++] = ' ';
1863: argterm[y] = '\0';
1864: if (y > 0 && el_insertstr(el, argterm) == -1)
1865: fatal("el_insertstr failed.");
1866: }
1.145 djm 1867: free(tmp);
1.116 djm 1868: }
1869:
1870: return count;
1871: }
1872:
1873: /*
1874: * Determine whether a particular sftp command's arguments (if any)
1875: * represent local or remote files.
1876: */
1877: static int
1878: complete_is_remote(char *cmd) {
1879: int i;
1880:
1881: if (cmd == NULL)
1882: return -1;
1883:
1884: for (i = 0; cmds[i].c; i++) {
1.149 djm 1885: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1.116 djm 1886: return cmds[i].t;
1887: }
1888:
1889: return -1;
1890: }
1891:
1892: /* Autocomplete a filename "file" */
1893: static int
1894: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1895: char *file, int remote, int lastarg, char quote, int terminated)
1896: {
1897: glob_t g;
1.146 dtucker 1898: char *tmp, *tmp2, ins[8];
1.140 dtucker 1899: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1900: int clen;
1.116 djm 1901: const LineInfo *lf;
1.149 djm 1902:
1.116 djm 1903: /* Glob from "file" location */
1904: if (file == NULL)
1905: tmp = xstrdup("*");
1906: else
1907: xasprintf(&tmp, "%s*", file);
1908:
1.139 dtucker 1909: /* Check if the path is absolute. */
1910: isabs = tmp[0] == '/';
1911:
1.116 djm 1912: memset(&g, 0, sizeof(g));
1913: if (remote != LOCAL) {
1914: tmp = make_absolute(tmp, remote_path);
1915: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1916: } else
1.116 djm 1917: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1918:
1.116 djm 1919: /* Determine length of pwd so we can trim completion display */
1920: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1921: /* Terminate counting on first unescaped glob metacharacter */
1922: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1923: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1924: hadglob = 1;
1925: break;
1926: }
1927: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1928: tmplen++;
1929: if (tmp[tmplen] == '/')
1930: pwdlen = tmplen + 1; /* track last seen '/' */
1931: }
1.145 djm 1932: free(tmp);
1.161 dtucker 1933: tmp = NULL;
1.116 djm 1934:
1.149 djm 1935: if (g.gl_matchc == 0)
1.116 djm 1936: goto out;
1937:
1938: if (g.gl_matchc > 1)
1939: complete_display(g.gl_pathv, pwdlen);
1940:
1941: /* Don't try to extend globs */
1942: if (file == NULL || hadglob)
1943: goto out;
1944:
1945: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 1946: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 1947: free(tmp2);
1.116 djm 1948:
1949: if (tmp == NULL)
1950: goto out;
1951:
1952: tmplen = strlen(tmp);
1953: filelen = strlen(file);
1954:
1.140 dtucker 1955: /* Count the number of escaped characters in the input string. */
1956: cesc = isesc = 0;
1957: for (i = 0; i < filelen; i++) {
1958: if (!isesc && file[i] == '\\' && i + 1 < filelen){
1959: isesc = 1;
1960: cesc++;
1961: } else
1962: isesc = 0;
1963: }
1964:
1965: if (tmplen > (filelen - cesc)) {
1966: tmp2 = tmp + filelen - cesc;
1.149 djm 1967: len = strlen(tmp2);
1.116 djm 1968: /* quote argument on way out */
1.146 dtucker 1969: for (i = 0; i < len; i += clen) {
1970: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
1971: (size_t)clen > sizeof(ins) - 2)
1972: fatal("invalid multibyte character");
1.116 djm 1973: ins[0] = '\\';
1.146 dtucker 1974: memcpy(ins + 1, tmp2 + i, clen);
1975: ins[clen + 1] = '\0';
1.116 djm 1976: switch (tmp2[i]) {
1977: case '\'':
1978: case '"':
1979: case '\\':
1980: case '\t':
1.131 sthen 1981: case '[':
1.116 djm 1982: case ' ':
1.140 dtucker 1983: case '#':
1984: case '*':
1.116 djm 1985: if (quote == '\0' || tmp2[i] == quote) {
1986: if (el_insertstr(el, ins) == -1)
1987: fatal("el_insertstr "
1988: "failed.");
1989: break;
1990: }
1991: /* FALLTHROUGH */
1992: default:
1993: if (el_insertstr(el, ins + 1) == -1)
1994: fatal("el_insertstr failed.");
1995: break;
1996: }
1997: }
1998: }
1999:
2000: lf = el_line(el);
2001: if (g.gl_matchc == 1) {
2002: i = 0;
1.162 dtucker 2003: if (!terminated && quote != '\0')
1.116 djm 2004: ins[i++] = quote;
1.120 djm 2005: if (*(lf->cursor - 1) != '/' &&
2006: (lastarg || *(lf->cursor) != ' '))
1.116 djm 2007: ins[i++] = ' ';
2008: ins[i] = '\0';
2009: if (i > 0 && el_insertstr(el, ins) == -1)
2010: fatal("el_insertstr failed.");
2011: }
1.145 djm 2012: free(tmp);
1.116 djm 2013:
2014: out:
2015: globfree(&g);
2016: return g.gl_matchc;
2017: }
2018:
2019: /* tab-completion hook function, called via libedit */
2020: static unsigned char
2021: complete(EditLine *el, int ch)
2022: {
1.149 djm 2023: char **argv, *line, quote;
1.147 djm 2024: int argc, carg;
2025: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 2026: const LineInfo *lf;
2027: struct complete_ctx *complete_ctx;
2028:
2029: lf = el_line(el);
2030: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
2031: fatal("%s: el_get failed", __func__);
2032:
2033: /* Figure out which argument the cursor points to */
2034: cursor = lf->cursor - lf->buffer;
1.171 deraadt 2035: line = xmalloc(cursor + 1);
1.116 djm 2036: memcpy(line, lf->buffer, cursor);
2037: line[cursor] = '\0';
2038: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 2039: free(line);
1.116 djm 2040:
2041: /* Get all the arguments on the line */
2042: len = lf->lastchar - lf->buffer;
1.171 deraadt 2043: line = xmalloc(len + 1);
1.116 djm 2044: memcpy(line, lf->buffer, len);
2045: line[len] = '\0';
2046: argv = makeargv(line, &argc, 1, NULL, NULL);
2047:
2048: /* Ensure cursor is at EOL or a argument boundary */
2049: if (line[cursor] != ' ' && line[cursor] != '\0' &&
2050: line[cursor] != '\n') {
1.145 djm 2051: free(line);
1.116 djm 2052: return ret;
2053: }
2054:
2055: if (carg == 0) {
2056: /* Show all available commands */
2057: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
2058: ret = CC_REDISPLAY;
2059: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
2060: /* Handle the command parsing */
2061: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 2062: quote, terminated) != 0)
1.116 djm 2063: ret = CC_REDISPLAY;
2064: } else if (carg >= 1) {
2065: /* Handle file parsing */
2066: int remote = complete_is_remote(argv[0]);
2067: char *filematch = NULL;
2068:
2069: if (carg > 1 && line[cursor-1] != ' ')
2070: filematch = argv[carg - 1];
2071:
2072: if (remote != 0 &&
2073: complete_match(el, complete_ctx->conn,
2074: *complete_ctx->remote_pathp, filematch,
1.149 djm 2075: remote, carg == argc, quote, terminated) != 0)
1.116 djm 2076: ret = CC_REDISPLAY;
2077: }
2078:
1.149 djm 2079: free(line);
1.116 djm 2080: return ret;
2081: }
2082:
1.182 djm 2083: static int
1.112 djm 2084: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 2085: {
1.116 djm 2086: char *remote_path;
1.182 djm 2087: char *dir = NULL, *startdir = NULL;
1.44 djm 2088: char cmd[2048];
1.66 jaredy 2089: int err, interactive;
1.57 djm 2090: EditLine *el = NULL;
2091: History *hl = NULL;
2092: HistEvent hev;
2093: extern char *__progname;
1.116 djm 2094: struct complete_ctx complete_ctx;
1.57 djm 2095:
2096: if (!batchmode && isatty(STDIN_FILENO)) {
2097: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
2098: fatal("Couldn't initialise editline");
2099: if ((hl = history_init()) == NULL)
2100: fatal("Couldn't initialise editline history");
2101: history(hl, &hev, H_SETSIZE, 100);
2102: el_set(el, EL_HIST, history, hl);
2103:
2104: el_set(el, EL_PROMPT, prompt);
2105: el_set(el, EL_EDITOR, "emacs");
2106: el_set(el, EL_TERMINAL, NULL);
2107: el_set(el, EL_SIGNAL, 1);
2108: el_source(el, NULL);
1.116 djm 2109:
2110: /* Tab Completion */
1.149 djm 2111: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 2112: "Context sensitive argument completion", complete);
1.116 djm 2113: complete_ctx.conn = conn;
2114: complete_ctx.remote_pathp = &remote_path;
2115: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
2116: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 2117: /* enable ctrl-left-arrow and ctrl-right-arrow */
2118: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
2119: el_set(el, EL_BIND, "\\e[5C", "em-next-word", NULL);
2120: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2121: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2122: /* make ^w match ksh behaviour */
2123: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2124: }
1.44 djm 2125:
1.116 djm 2126: remote_path = do_realpath(conn, ".");
2127: if (remote_path == NULL)
1.44 djm 2128: fatal("Need cwd");
1.182 djm 2129: startdir = xstrdup(remote_path);
1.44 djm 2130:
2131: if (file1 != NULL) {
2132: dir = xstrdup(file1);
1.116 djm 2133: dir = make_absolute(dir, remote_path);
1.44 djm 2134:
2135: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2136: if (!quiet)
1.174 schwarze 2137: mprintf("Changing to: %s\n", dir);
1.44 djm 2138: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2139: if (parse_dispatch_command(conn, cmd,
1.182 djm 2140: &remote_path, startdir, 1) != 0) {
1.145 djm 2141: free(dir);
1.182 djm 2142: free(startdir);
1.145 djm 2143: free(remote_path);
2144: free(conn);
1.44 djm 2145: return (-1);
1.58 markus 2146: }
1.44 djm 2147: } else {
1.137 djm 2148: /* XXX this is wrong wrt quoting */
1.148 djm 2149: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2150: global_aflag ? " -a" : "", dir,
2151: file2 == NULL ? "" : " ",
2152: file2 == NULL ? "" : file2);
1.116 djm 2153: err = parse_dispatch_command(conn, cmd,
1.182 djm 2154: &remote_path, startdir, 1);
1.145 djm 2155: free(dir);
1.182 djm 2156: free(startdir);
1.145 djm 2157: free(remote_path);
2158: free(conn);
1.44 djm 2159: return (err);
2160: }
1.145 djm 2161: free(dir);
1.44 djm 2162: }
2163:
1.168 millert 2164: setvbuf(stdout, NULL, _IOLBF, 0);
2165: setvbuf(infile, NULL, _IOLBF, 0);
1.44 djm 2166:
1.66 jaredy 2167: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2168: err = 0;
2169: for (;;) {
2170: char *cp;
1.57 djm 2171: const char *line;
2172: int count = 0;
1.44 djm 2173:
1.46 djm 2174: signal(SIGINT, SIG_IGN);
2175:
1.57 djm 2176: if (el == NULL) {
1.66 jaredy 2177: if (interactive)
2178: printf("sftp> ");
1.57 djm 2179: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2180: if (interactive)
2181: printf("\n");
1.57 djm 2182: break;
2183: }
1.66 jaredy 2184: if (!interactive) { /* Echo command */
1.174 schwarze 2185: mprintf("sftp> %s", cmd);
1.66 jaredy 2186: if (strlen(cmd) > 0 &&
2187: cmd[strlen(cmd) - 1] != '\n')
2188: printf("\n");
2189: }
1.57 djm 2190: } else {
1.116 djm 2191: if ((line = el_gets(el, &count)) == NULL ||
2192: count <= 0) {
1.66 jaredy 2193: printf("\n");
1.57 djm 2194: break;
1.66 jaredy 2195: }
1.57 djm 2196: history(hl, &hev, H_ENTER, line);
2197: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2198: fprintf(stderr, "Error: input line too long\n");
2199: continue;
2200: }
1.44 djm 2201: }
2202:
2203: cp = strrchr(cmd, '\n');
2204: if (cp)
2205: *cp = '\0';
2206:
1.46 djm 2207: /* Handle user interrupts gracefully during commands */
2208: interrupted = 0;
2209: signal(SIGINT, cmd_interrupt);
2210:
1.116 djm 2211: err = parse_dispatch_command(conn, cmd, &remote_path,
1.182 djm 2212: startdir, batchmode);
1.44 djm 2213: if (err != 0)
2214: break;
2215: }
1.184 djm 2216: signal(SIGCHLD, SIG_DFL);
1.145 djm 2217: free(remote_path);
1.182 djm 2218: free(startdir);
1.145 djm 2219: free(conn);
1.66 jaredy 2220:
2221: if (el != NULL)
2222: el_end(el);
1.44 djm 2223:
2224: /* err == 1 signifies normal "quit" exit */
2225: return (err >= 0 ? 0 : -1);
2226: }
1.34 fgsch 2227:
1.18 itojun 2228: static void
1.36 djm 2229: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2230: {
2231: int c_in, c_out;
1.30 deraadt 2232:
1.1 djm 2233: int inout[2];
1.30 deraadt 2234:
1.1 djm 2235: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2236: fatal("socketpair: %s", strerror(errno));
2237: *in = *out = inout[0];
2238: c_in = c_out = inout[1];
2239:
1.36 djm 2240: if ((sshpid = fork()) == -1)
1.1 djm 2241: fatal("fork: %s", strerror(errno));
1.36 djm 2242: else if (sshpid == 0) {
1.1 djm 2243: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2244: (dup2(c_out, STDOUT_FILENO) == -1)) {
2245: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2246: _exit(1);
1.1 djm 2247: }
2248: close(*in);
2249: close(*out);
2250: close(c_in);
2251: close(c_out);
1.46 djm 2252:
2253: /*
2254: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2255: * ignore SIGINT if we want to gracefully abort commands,
2256: * otherwise the signal will make it to the ssh process and
1.122 guenther 2257: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2258: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2259: */
2260: signal(SIGINT, SIG_IGN);
1.122 guenther 2261: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2262: execvp(path, args);
1.23 djm 2263: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2264: _exit(1);
1.1 djm 2265: }
2266:
1.36 djm 2267: signal(SIGTERM, killchild);
2268: signal(SIGINT, killchild);
2269: signal(SIGHUP, killchild);
1.177 millert 2270: signal(SIGTSTP, suspchild);
2271: signal(SIGTTIN, suspchild);
2272: signal(SIGTTOU, suspchild);
1.184 djm 2273: signal(SIGCHLD, sigchld_handler);
1.1 djm 2274: close(c_in);
2275: close(c_out);
2276: }
2277:
1.18 itojun 2278: static void
1.1 djm 2279: usage(void)
2280: {
1.25 mpech 2281: extern char *__progname;
1.27 markus 2282:
1.19 stevesk 2283: fprintf(stderr,
1.179 djm 2284: "usage: %s [-46aCfpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2285: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2286: "[-i identity_file] [-l limit]\n"
1.110 jmc 2287: " [-o ssh_option] [-P port] [-R num_requests] "
2288: "[-S program]\n"
1.181 millert 2289: " [-s subsystem | sftp_server] destination\n",
2290: __progname);
1.1 djm 2291: exit(1);
2292: }
2293:
1.2 stevesk 2294: int
1.1 djm 2295: main(int argc, char **argv)
2296: {
1.181 millert 2297: int in, out, ch, err, tmp, port = -1;
2298: char *host = NULL, *user, *cp, *file2 = NULL;
1.17 mouring 2299: int debug_level = 0, sshver = 2;
2300: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2301: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2302: const char *errstr;
1.17 mouring 2303: LogLevel ll = SYSLOG_LEVEL_INFO;
2304: arglist args;
1.3 djm 2305: extern int optind;
2306: extern char *optarg;
1.112 djm 2307: struct sftp_conn *conn;
2308: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2309: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2310: long long limit_kbps = 0;
1.67 djm 2311:
1.172 dtucker 2312: ssh_malloc_init(); /* must be called before any mallocs */
1.67 djm 2313: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2314: sanitise_stdfd();
1.146 dtucker 2315: setlocale(LC_CTYPE, "");
1.1 djm 2316:
1.70 djm 2317: memset(&args, '\0', sizeof(args));
1.17 mouring 2318: args.list = NULL;
1.80 djm 2319: addargs(&args, "%s", ssh_program);
1.17 mouring 2320: addargs(&args, "-oForwardX11 no");
2321: addargs(&args, "-oForwardAgent no");
1.69 reyk 2322: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2323: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2324:
1.17 mouring 2325: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2326: infile = stdin;
1.3 djm 2327:
1.109 djm 2328: while ((ch = getopt(argc, argv,
1.156 djm 2329: "1246afhpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2330: switch (ch) {
1.108 djm 2331: /* Passed through to ssh(1) */
2332: case '4':
2333: case '6':
1.3 djm 2334: case 'C':
1.108 djm 2335: addargs(&args, "-%c", ch);
2336: break;
2337: /* Passed through to ssh(1) with argument */
2338: case 'F':
2339: case 'c':
2340: case 'i':
2341: case 'o':
1.113 halex 2342: addargs(&args, "-%c", ch);
2343: addargs(&args, "%s", optarg);
1.108 djm 2344: break;
2345: case 'q':
1.143 djm 2346: ll = SYSLOG_LEVEL_ERROR;
2347: quiet = 1;
1.108 djm 2348: showprogress = 0;
2349: addargs(&args, "-%c", ch);
1.3 djm 2350: break;
1.109 djm 2351: case 'P':
1.181 millert 2352: port = a2port(optarg);
2353: if (port <= 0)
2354: fatal("Bad port \"%s\"\n", optarg);
1.109 djm 2355: break;
1.3 djm 2356: case 'v':
1.17 mouring 2357: if (debug_level < 3) {
2358: addargs(&args, "-v");
2359: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2360: }
2361: debug_level++;
1.3 djm 2362: break;
1.7 markus 2363: case '1':
1.17 mouring 2364: sshver = 1;
1.7 markus 2365: if (sftp_server == NULL)
2366: sftp_server = _PATH_SFTP_SERVER;
2367: break;
1.108 djm 2368: case '2':
2369: sshver = 2;
1.148 djm 2370: break;
2371: case 'a':
2372: global_aflag = 1;
1.7 markus 2373: break;
1.108 djm 2374: case 'B':
2375: copy_buffer_len = strtol(optarg, &cp, 10);
2376: if (copy_buffer_len == 0 || *cp != '\0')
2377: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2378: break;
1.10 deraadt 2379: case 'b':
1.39 djm 2380: if (batchmode)
2381: fatal("Batch file already specified.");
2382:
2383: /* Allow "-" as stdin */
1.56 deraadt 2384: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2385: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2386: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2387: showprogress = 0;
1.143 djm 2388: quiet = batchmode = 1;
1.62 djm 2389: addargs(&args, "-obatchmode yes");
1.156 djm 2390: break;
2391: case 'f':
2392: global_fflag = 1;
1.10 deraadt 2393: break;
1.111 djm 2394: case 'p':
2395: global_pflag = 1;
2396: break;
1.109 djm 2397: case 'D':
1.23 djm 2398: sftp_direct = optarg;
1.111 djm 2399: break;
1.126 djm 2400: case 'l':
2401: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2402: &errstr);
2403: if (errstr != NULL)
2404: usage();
2405: limit_kbps *= 1024; /* kbps */
2406: break;
1.111 djm 2407: case 'r':
2408: global_rflag = 1;
1.24 djm 2409: break;
1.26 djm 2410: case 'R':
2411: num_requests = strtol(optarg, &cp, 10);
2412: if (num_requests == 0 || *cp != '\0')
1.27 markus 2413: fatal("Invalid number of requests \"%s\"",
1.26 djm 2414: optarg);
1.108 djm 2415: break;
2416: case 's':
2417: sftp_server = optarg;
2418: break;
2419: case 'S':
2420: ssh_program = optarg;
2421: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2422: break;
1.3 djm 2423: case 'h':
2424: default:
1.1 djm 2425: usage();
2426: }
2427: }
1.45 djm 2428:
2429: if (!isatty(STDERR_FILENO))
2430: showprogress = 0;
1.1 djm 2431:
1.29 markus 2432: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2433:
1.23 djm 2434: if (sftp_direct == NULL) {
2435: if (optind == argc || argc > (optind + 2))
2436: usage();
1.181 millert 2437: argv += optind;
1.23 djm 2438:
1.181 millert 2439: switch (parse_uri("sftp", *argv, &user, &host, &tmp, &file1)) {
2440: case -1:
2441: usage();
2442: break;
2443: case 0:
2444: if (tmp != -1)
2445: port = tmp;
2446: break;
2447: default:
2448: if (parse_user_host_path(*argv, &user, &host,
2449: &file1) == -1) {
2450: /* Treat as a plain hostname. */
2451: host = xstrdup(*argv);
2452: host = cleanhostname(host);
1.23 djm 2453: }
1.181 millert 2454: break;
1.23 djm 2455: }
1.181 millert 2456: file2 = *(argv + 1);
1.3 djm 2457:
1.23 djm 2458: if (!*host) {
2459: fprintf(stderr, "Missing hostname\n");
1.1 djm 2460: usage();
2461: }
2462:
1.181 millert 2463: if (port != -1)
2464: addargs(&args, "-oPort %d", port);
2465: if (user != NULL) {
2466: addargs(&args, "-l");
2467: addargs(&args, "%s", user);
2468: }
1.23 djm 2469: addargs(&args, "-oProtocol %d", sshver);
2470:
2471: /* no subsystem if the server-spec contains a '/' */
2472: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2473: addargs(&args, "-s");
2474:
1.115 guenther 2475: addargs(&args, "--");
1.23 djm 2476: addargs(&args, "%s", host);
1.27 markus 2477: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2478: sftp_server : "sftp"));
2479:
1.36 djm 2480: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2481: } else {
2482: args.list = NULL;
2483: addargs(&args, "sftp-server");
2484:
1.36 djm 2485: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2486: }
1.70 djm 2487: freeargs(&args);
1.1 djm 2488:
1.126 djm 2489: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2490: if (conn == NULL)
2491: fatal("Couldn't initialise connection to server");
2492:
1.143 djm 2493: if (!quiet) {
1.112 djm 2494: if (sftp_direct == NULL)
2495: fprintf(stderr, "Connected to %s.\n", host);
2496: else
2497: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2498: }
2499:
2500: err = interactive_loop(conn, file1, file2);
1.1 djm 2501:
2502: close(in);
2503: close(out);
1.39 djm 2504: if (batchmode)
1.10 deraadt 2505: fclose(infile);
1.1 djm 2506:
1.185 bluhm 2507: while (waitpid(sshpid, NULL, 0) == -1 && sshpid > 1)
1.28 markus 2508: if (errno != EINTR)
2509: fatal("Couldn't wait for ssh process: %s",
2510: strerror(errno));
1.1 djm 2511:
1.33 djm 2512: exit(err == 0 ? 0 : 1);
1.1 djm 2513: }