Annotation of src/usr.bin/ssh/sftp.c, Revision 1.232
1.232 ! dtucker 1: /* $OpenBSD: sftp.c,v 1.231 2023/03/29 00:59:08 dtucker Exp $ */
1.1 djm 2: /*
1.42 djm 3: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 4: *
1.42 djm 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 djm 8: *
1.42 djm 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 16: */
17:
1.91 deraadt 18: #include <sys/types.h>
1.72 stevesk 19: #include <sys/ioctl.h>
1.73 stevesk 20: #include <sys/wait.h>
1.75 stevesk 21: #include <sys/stat.h>
1.83 stevesk 22: #include <sys/socket.h>
1.100 djm 23: #include <sys/statvfs.h>
1.44 djm 24:
1.97 djm 25: #include <ctype.h>
1.85 stevesk 26: #include <errno.h>
1.44 djm 27: #include <glob.h>
1.57 djm 28: #include <histedit.h>
1.71 stevesk 29: #include <paths.h>
1.111 djm 30: #include <libgen.h>
1.146 dtucker 31: #include <locale.h>
1.74 stevesk 32: #include <signal.h>
1.174 schwarze 33: #include <stdarg.h>
1.89 stevesk 34: #include <stdlib.h>
1.90 stevesk 35: #include <stdio.h>
1.87 stevesk 36: #include <string.h>
1.86 stevesk 37: #include <unistd.h>
1.170 deraadt 38: #include <limits.h>
1.100 djm 39: #include <util.h>
1.1 djm 40:
41: #include "xmalloc.h"
42: #include "log.h"
43: #include "pathnames.h"
1.16 mouring 44: #include "misc.h"
1.174 schwarze 45: #include "utf8.h"
1.1 djm 46:
47: #include "sftp.h"
1.169 djm 48: #include "ssherr.h"
49: #include "sshbuf.h"
1.1 djm 50: #include "sftp-common.h"
51: #include "sftp-client.h"
1.222 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:
199: static void
1.46 djm 200: killchild(int signo)
201: {
1.196 djm 202: pid_t pid;
203:
204: pid = sshpid;
205: if (pid > 1) {
206: kill(pid, SIGTERM);
1.232 ! dtucker 207: (void)waitpid(pid, NULL, 0);
1.61 dtucker 208: }
1.46 djm 209:
210: _exit(1);
211: }
212:
213: static void
1.177 millert 214: suspchild(int signo)
215: {
216: if (sshpid > 1) {
217: kill(sshpid, signo);
218: while (waitpid(sshpid, NULL, WUNTRACED) == -1 && errno == EINTR)
219: continue;
220: }
221: kill(getpid(), SIGSTOP);
222: }
223:
224: static void
1.46 djm 225: cmd_interrupt(int signo)
226: {
227: const char msg[] = "\rInterrupt \n";
1.59 djm 228: int olderrno = errno;
1.46 djm 229:
1.144 dtucker 230: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.46 djm 231: interrupted = 1;
1.59 djm 232: errno = olderrno;
1.46 djm 233: }
234:
1.211 schwarze 235: static void
236: read_interrupt(int signo)
237: {
238: interrupted = 1;
239: }
240:
1.184 djm 241: static void
242: sigchld_handler(int sig)
243: {
244: int save_errno = errno;
245: pid_t pid;
246: const char msg[] = "\rConnection closed. \n";
247:
248: /* Report if ssh transport process dies. */
249: while ((pid = waitpid(sshpid, NULL, WNOHANG)) == -1 && errno == EINTR)
250: continue;
1.185 bluhm 251: if (pid == sshpid) {
1.225 djm 252: if (!quiet)
253: (void)write(STDERR_FILENO, msg, sizeof(msg) - 1);
1.185 bluhm 254: sshpid = -1;
255: }
1.184 djm 256:
257: errno = save_errno;
258: }
259:
1.46 djm 260: static void
1.44 djm 261: help(void)
262: {
1.106 sobrado 263: printf("Available commands:\n"
264: "bye Quit sftp\n"
265: "cd path Change remote directory to 'path'\n"
1.189 djm 266: "chgrp [-h] grp path Change group of file 'path' to 'grp'\n"
267: "chmod [-h] mode path Change permissions of file 'path' to 'mode'\n"
268: "chown [-h] own path Change owner of file 'path' to 'own'\n"
1.214 djm 269: "copy oldpath newpath Copy remote file\n"
270: "cp oldpath newpath Copy remote file\n"
1.106 sobrado 271: "df [-hi] [path] Display statistics for current directory or\n"
272: " filesystem containing 'path'\n"
273: "exit Quit sftp\n"
1.193 jmc 274: "get [-afpR] remote [local] Download file\n"
1.106 sobrado 275: "help Display this help text\n"
276: "lcd path Change local directory to 'path'\n"
277: "lls [ls-options [path]] Display local directory listing\n"
278: "lmkdir path Create local directory\n"
1.132 djm 279: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 280: "lpwd Print local working directory\n"
1.121 jmc 281: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 282: "lumask umask Set local umask to 'umask'\n"
283: "mkdir path Create remote directory\n"
284: "progress Toggle display of progress meter\n"
1.193 jmc 285: "put [-afpR] local [remote] Upload file\n"
1.106 sobrado 286: "pwd Display remote working directory\n"
287: "quit Quit sftp\n"
1.193 jmc 288: "reget [-fpR] remote [local] Resume download file\n"
1.106 sobrado 289: "rename oldpath newpath Rename remote file\n"
1.193 jmc 290: "reput [-fpR] local [remote] Resume upload file\n"
1.106 sobrado 291: "rm path Delete remote file\n"
292: "rmdir path Remove remote directory\n"
293: "symlink oldpath newpath Symlink remote file\n"
294: "version Show SFTP version\n"
295: "!command Execute 'command' in local shell\n"
296: "! Escape to local shell\n"
297: "? Synonym for help\n");
1.44 djm 298: }
299:
300: static void
301: local_do_shell(const char *args)
302: {
303: int status;
304: char *shell;
305: pid_t pid;
306:
307: if (!*args)
308: args = NULL;
309:
1.130 djm 310: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 311: shell = _PATH_BSHELL;
312:
313: if ((pid = fork()) == -1)
314: fatal("Couldn't fork: %s", strerror(errno));
315:
316: if (pid == 0) {
317: /* XXX: child has pipe fds to ssh subproc open - issue? */
318: if (args) {
319: debug3("Executing %s -c \"%s\"", shell, args);
320: execl(shell, shell, "-c", args, (char *)NULL);
321: } else {
322: debug3("Executing %s", shell);
323: execl(shell, shell, (char *)NULL);
324: }
325: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
326: strerror(errno));
327: _exit(1);
328: }
329: while (waitpid(pid, &status, 0) == -1)
330: if (errno != EINTR)
331: fatal("Couldn't wait for child: %s", strerror(errno));
332: if (!WIFEXITED(status))
1.78 djm 333: error("Shell exited abnormally");
1.44 djm 334: else if (WEXITSTATUS(status))
335: error("Shell exited with status %d", WEXITSTATUS(status));
336: }
337:
338: static void
339: local_do_ls(const char *args)
340: {
341: if (!args || !*args)
342: local_do_shell(_PATH_LS);
343: else {
344: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
345: char *buf = xmalloc(len);
346:
347: /* XXX: quoting - rip quoting code from ftp? */
348: snprintf(buf, len, _PATH_LS " %s", args);
349: local_do_shell(buf);
1.145 djm 350: free(buf);
1.44 djm 351: }
352: }
353:
354: /* Strip one path (usually the pwd) from the start of another */
355: static char *
1.175 djm 356: path_strip(const char *path, const char *strip)
1.44 djm 357: {
358: size_t len;
359:
360: if (strip == NULL)
361: return (xstrdup(path));
362:
363: len = strlen(strip);
1.59 djm 364: if (strncmp(path, strip, len) == 0) {
1.44 djm 365: if (strip[len - 1] != '/' && path[len] == '/')
366: len++;
367: return (xstrdup(path + len));
368: }
369:
370: return (xstrdup(path));
371: }
372:
373: static int
1.148 djm 374: parse_getput_flags(const char *cmd, char **argv, int argc,
1.156 djm 375: int *aflag, int *fflag, int *pflag, int *rflag)
1.44 djm 376: {
1.102 martynas 377: extern int opterr, optind, optopt, optreset;
1.97 djm 378: int ch;
1.44 djm 379:
1.97 djm 380: optind = optreset = 1;
381: opterr = 0;
382:
1.156 djm 383: *aflag = *fflag = *rflag = *pflag = 0;
384: while ((ch = getopt(argc, argv, "afPpRr")) != -1) {
1.97 djm 385: switch (ch) {
1.148 djm 386: case 'a':
387: *aflag = 1;
388: break;
1.156 djm 389: case 'f':
390: *fflag = 1;
391: break;
1.44 djm 392: case 'p':
393: case 'P':
394: *pflag = 1;
395: break;
1.111 djm 396: case 'r':
397: case 'R':
398: *rflag = 1;
399: break;
1.44 djm 400: default:
1.102 martynas 401: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 402: return -1;
1.44 djm 403: }
404: }
405:
1.97 djm 406: return optind;
1.44 djm 407: }
408:
409: static int
1.132 djm 410: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
411: {
412: extern int opterr, optind, optopt, optreset;
413: int ch;
414:
415: optind = optreset = 1;
416: opterr = 0;
417:
418: *sflag = 0;
419: while ((ch = getopt(argc, argv, "s")) != -1) {
420: switch (ch) {
421: case 's':
422: *sflag = 1;
423: break;
424: default:
425: error("%s: Invalid flag -%c", cmd, optopt);
426: return -1;
427: }
428: }
429:
430: return optind;
431: }
432:
433: static int
1.152 djm 434: parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag)
435: {
436: extern int opterr, optind, optopt, optreset;
437: int ch;
438:
439: optind = optreset = 1;
440: opterr = 0;
441:
442: *lflag = 0;
443: while ((ch = getopt(argc, argv, "l")) != -1) {
444: switch (ch) {
445: case 'l':
446: *lflag = 1;
447: break;
448: default:
449: error("%s: Invalid flag -%c", cmd, optopt);
450: return -1;
451: }
452: }
453:
454: return optind;
455: }
456:
457: static int
1.97 djm 458: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 459: {
1.102 martynas 460: extern int opterr, optind, optopt, optreset;
1.97 djm 461: int ch;
462:
463: optind = optreset = 1;
464: opterr = 0;
1.44 djm 465:
1.53 djm 466: *lflag = LS_NAME_SORT;
1.119 djm 467: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 468: switch (ch) {
469: case '1':
470: *lflag &= ~VIEW_FLAGS;
471: *lflag |= LS_SHORT_VIEW;
472: break;
473: case 'S':
474: *lflag &= ~SORT_FLAGS;
475: *lflag |= LS_SIZE_SORT;
476: break;
477: case 'a':
478: *lflag |= LS_SHOW_ALL;
479: break;
480: case 'f':
481: *lflag &= ~SORT_FLAGS;
482: break;
1.119 djm 483: case 'h':
484: *lflag |= LS_SI_UNITS;
485: break;
1.97 djm 486: case 'l':
1.119 djm 487: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 488: *lflag |= LS_LONG_VIEW;
489: break;
490: case 'n':
1.119 djm 491: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 492: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
493: break;
494: case 'r':
495: *lflag |= LS_REVERSE_SORT;
496: break;
497: case 't':
498: *lflag &= ~SORT_FLAGS;
499: *lflag |= LS_TIME_SORT;
500: break;
501: default:
1.102 martynas 502: error("ls: Invalid flag -%c", optopt);
1.97 djm 503: return -1;
1.44 djm 504: }
505: }
506:
1.97 djm 507: return optind;
1.44 djm 508: }
509:
510: static int
1.100 djm 511: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
512: {
1.102 martynas 513: extern int opterr, optind, optopt, optreset;
1.100 djm 514: int ch;
515:
516: optind = optreset = 1;
517: opterr = 0;
518:
519: *hflag = *iflag = 0;
520: while ((ch = getopt(argc, argv, "hi")) != -1) {
521: switch (ch) {
522: case 'h':
523: *hflag = 1;
524: break;
525: case 'i':
526: *iflag = 1;
527: break;
528: default:
1.102 martynas 529: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 530: return -1;
531: }
532: }
533:
534: return optind;
535: }
536:
537: static int
1.189 djm 538: parse_ch_flags(const char *cmd, char **argv, int argc, int *hflag)
539: {
540: extern int opterr, optind, optopt, optreset;
541: int ch;
542:
543: optind = optreset = 1;
544: opterr = 0;
545:
546: *hflag = 0;
547: while ((ch = getopt(argc, argv, "h")) != -1) {
548: switch (ch) {
549: case 'h':
550: *hflag = 1;
551: break;
552: default:
553: error("%s: Invalid flag -%c", cmd, optopt);
554: return -1;
555: }
556: }
557:
558: return optind;
559: }
560:
561: static int
1.153 djm 562: parse_no_flags(const char *cmd, char **argv, int argc)
563: {
564: extern int opterr, optind, optopt, optreset;
565: int ch;
566:
567: optind = optreset = 1;
568: opterr = 0;
569:
570: while ((ch = getopt(argc, argv, "")) != -1) {
571: switch (ch) {
572: default:
573: error("%s: Invalid flag -%c", cmd, optopt);
574: return -1;
575: }
576: }
577:
578: return optind;
579: }
580:
1.215 djm 581: static char *
582: escape_glob(const char *s)
583: {
584: size_t i, o, len;
585: char *ret;
586:
587: len = strlen(s);
588: ret = xcalloc(2, len + 1);
589: for (i = o = 0; i < len; i++) {
590: if (strchr("[]?*\\", s[i]) != NULL)
591: ret[o++] = '\\';
592: ret[o++] = s[i];
593: }
594: ret[o++] = '\0';
595: return ret;
596: }
597:
1.230 dtucker 598: /*
599: * Arg p must be dynamically allocated. make_absolute will either return it
600: * or free it and and allocate a new one. Caller must free returned string.
601: */
1.215 djm 602: static char *
1.230 dtucker 603: make_absolute_pwd_glob(char *p, const char *pwd)
1.215 djm 604: {
605: char *ret, *escpwd;
606:
607: escpwd = escape_glob(pwd);
608: if (p == NULL)
609: return escpwd;
1.230 dtucker 610: ret = make_absolute(p, escpwd);
1.215 djm 611: free(escpwd);
612: return ret;
613: }
614:
1.153 djm 615: static int
1.175 djm 616: process_get(struct sftp_conn *conn, const char *src, const char *dst,
617: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 618: {
1.215 djm 619: char *filename, *abs_src = NULL, *abs_dst = NULL, *tmp = NULL;
1.44 djm 620: glob_t g;
1.164 djm 621: int i, r, err = 0;
1.44 djm 622:
1.230 dtucker 623: abs_src = make_absolute_pwd_glob(xstrdup(src), pwd);
1.111 djm 624: memset(&g, 0, sizeof(g));
1.44 djm 625:
626: debug3("Looking up %s", abs_src);
1.164 djm 627: if ((r = remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) != 0) {
628: if (r == GLOB_NOSPACE) {
629: error("Too many matches for \"%s\".", abs_src);
630: } else {
631: error("File \"%s\" not found.", abs_src);
632: }
1.44 djm 633: err = -1;
634: goto out;
635: }
636:
1.111 djm 637: /*
638: * If multiple matches then dst must be a directory or
639: * unspecified.
640: */
1.205 djm 641: if (g.gl_matchc > 1 && dst != NULL && !local_is_dir(dst)) {
1.111 djm 642: error("Multiple source paths, but destination "
643: "\"%s\" is not a directory", dst);
1.44 djm 644: err = -1;
645: goto out;
646: }
647:
1.46 djm 648: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 649: tmp = xstrdup(g.gl_pathv[i]);
650: if ((filename = basename(tmp)) == NULL) {
651: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 652: free(tmp);
1.44 djm 653: err = -1;
654: goto out;
655: }
656:
657: if (g.gl_matchc == 1 && dst) {
1.205 djm 658: if (local_is_dir(dst)) {
1.111 djm 659: abs_dst = path_append(dst, filename);
660: } else {
1.44 djm 661: abs_dst = xstrdup(dst);
1.111 djm 662: }
1.44 djm 663: } else if (dst) {
1.111 djm 664: abs_dst = path_append(dst, filename);
665: } else {
666: abs_dst = xstrdup(filename);
667: }
1.145 djm 668: free(tmp);
1.44 djm 669:
1.148 djm 670: resume |= global_aflag;
671: if (!quiet && resume)
1.174 schwarze 672: mprintf("Resuming %s to %s\n",
673: g.gl_pathv[i], abs_dst);
1.148 djm 674: else if (!quiet && !resume)
1.174 schwarze 675: mprintf("Fetching %s to %s\n",
676: g.gl_pathv[i], abs_dst);
1.210 djm 677: /* XXX follow link flag */
1.205 djm 678: if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.148 djm 679: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 680: pflag || global_pflag, 1, resume,
1.216 djm 681: fflag || global_fflag, 0, 0) == -1)
1.111 djm 682: err = -1;
683: } else {
684: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
1.156 djm 685: pflag || global_pflag, resume,
1.216 djm 686: fflag || global_fflag, 0) == -1)
1.111 djm 687: err = -1;
688: }
1.145 djm 689: free(abs_dst);
1.44 djm 690: abs_dst = NULL;
691: }
692:
693: out:
1.145 djm 694: free(abs_src);
1.44 djm 695: globfree(&g);
696: return(err);
697: }
698:
699: static int
1.175 djm 700: process_put(struct sftp_conn *conn, const char *src, const char *dst,
701: const char *pwd, int pflag, int rflag, int resume, int fflag)
1.44 djm 702: {
703: char *tmp_dst = NULL;
704: char *abs_dst = NULL;
1.111 djm 705: char *tmp = NULL, *filename = NULL;
1.44 djm 706: glob_t g;
707: int err = 0;
1.111 djm 708: int i, dst_is_dir = 1;
1.99 djm 709: struct stat sb;
1.44 djm 710:
711: if (dst) {
712: tmp_dst = xstrdup(dst);
713: tmp_dst = make_absolute(tmp_dst, pwd);
714: }
715:
716: memset(&g, 0, sizeof(g));
717: debug3("Looking up %s", src);
1.111 djm 718: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 719: error("File \"%s\" not found.", src);
720: err = -1;
721: goto out;
722: }
723:
1.111 djm 724: /* If we aren't fetching to pwd then stash this status for later */
725: if (tmp_dst != NULL)
726: dst_is_dir = remote_is_dir(conn, tmp_dst);
727:
1.44 djm 728: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 729: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
730: error("Multiple paths match, but destination "
731: "\"%s\" is not a directory", tmp_dst);
1.44 djm 732: err = -1;
733: goto out;
734: }
735:
1.46 djm 736: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 737: if (stat(g.gl_pathv[i], &sb) == -1) {
738: err = -1;
739: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
740: continue;
741: }
1.149 djm 742:
1.111 djm 743: tmp = xstrdup(g.gl_pathv[i]);
744: if ((filename = basename(tmp)) == NULL) {
745: error("basename %s: %s", tmp, strerror(errno));
1.145 djm 746: free(tmp);
1.44 djm 747: err = -1;
748: goto out;
749: }
750:
1.231 dtucker 751: free(abs_dst);
752: abs_dst = NULL;
1.44 djm 753: if (g.gl_matchc == 1 && tmp_dst) {
754: /* If directory specified, append filename */
1.111 djm 755: if (dst_is_dir)
756: abs_dst = path_append(tmp_dst, filename);
757: else
1.44 djm 758: abs_dst = xstrdup(tmp_dst);
759: } else if (tmp_dst) {
1.111 djm 760: abs_dst = path_append(tmp_dst, filename);
761: } else {
762: abs_dst = make_absolute(xstrdup(filename), pwd);
763: }
1.145 djm 764: free(tmp);
1.44 djm 765:
1.208 djm 766: resume |= global_aflag;
1.159 logan 767: if (!quiet && resume)
1.174 schwarze 768: mprintf("Resuming upload of %s to %s\n",
769: g.gl_pathv[i], abs_dst);
1.159 logan 770: else if (!quiet && !resume)
1.174 schwarze 771: mprintf("Uploading %s to %s\n",
772: g.gl_pathv[i], abs_dst);
1.210 djm 773: /* XXX follow_link_flag */
1.205 djm 774: if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
1.111 djm 775: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
1.159 logan 776: pflag || global_pflag, 1, resume,
1.216 djm 777: fflag || global_fflag, 0, 0) == -1)
1.111 djm 778: err = -1;
779: } else {
780: if (do_upload(conn, g.gl_pathv[i], abs_dst,
1.159 logan 781: pflag || global_pflag, resume,
1.216 djm 782: fflag || global_fflag, 0) == -1)
1.111 djm 783: err = -1;
784: }
1.44 djm 785: }
786:
787: out:
1.145 djm 788: free(abs_dst);
789: free(tmp_dst);
1.44 djm 790: globfree(&g);
791: return(err);
792: }
793:
794: static int
795: sdirent_comp(const void *aa, const void *bb)
796: {
797: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
798: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 799: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 800:
1.52 djm 801: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 802: if (sort_flag & LS_NAME_SORT)
1.52 djm 803: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 804: else if (sort_flag & LS_TIME_SORT)
1.52 djm 805: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 806: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 807: return (rmul * NCMP(a->a.size, b->a.size));
808:
809: fatal("Unknown ls sort type");
1.44 djm 810: }
811:
812: /* sftp ls.1 replacement for directories */
813: static int
1.175 djm 814: do_ls_dir(struct sftp_conn *conn, const char *path,
815: const char *strip_path, int lflag)
1.44 djm 816: {
1.64 djm 817: int n;
818: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 819: SFTP_DIRENT **d;
820:
821: if ((n = do_readdir(conn, path, &d)) != 0)
822: return (n);
823:
1.53 djm 824: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 825: u_int m = 0, width = 80;
1.44 djm 826: struct winsize ws;
827: char *tmp;
828:
829: /* Count entries for sort and find longest filename */
1.54 djm 830: for (n = 0; d[n] != NULL; n++) {
831: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
1.176 deraadt 832: m = MAXIMUM(m, strlen(d[n]->filename));
1.54 djm 833: }
1.44 djm 834:
835: /* Add any subpath that also needs to be counted */
836: tmp = path_strip(path, strip_path);
837: m += strlen(tmp);
1.145 djm 838: free(tmp);
1.44 djm 839:
840: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
841: width = ws.ws_col;
842:
843: columns = width / (m + 2);
1.176 deraadt 844: columns = MAXIMUM(columns, 1);
1.44 djm 845: colspace = width / columns;
1.176 deraadt 846: colspace = MINIMUM(colspace, width);
1.44 djm 847: }
848:
1.52 djm 849: if (lflag & SORT_FLAGS) {
1.68 dtucker 850: for (n = 0; d[n] != NULL; n++)
851: ; /* count entries */
1.53 djm 852: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 853: qsort(d, n, sizeof(*d), sdirent_comp);
854: }
1.44 djm 855:
1.222 djm 856: get_remote_user_groups_from_dirents(conn, d);
1.46 djm 857: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 858: char *tmp, *fname;
1.54 djm 859:
860: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
861: continue;
1.44 djm 862:
863: tmp = path_append(path, d[n]->filename);
864: fname = path_strip(tmp, strip_path);
1.145 djm 865: free(tmp);
1.44 djm 866:
1.53 djm 867: if (lflag & LS_LONG_VIEW) {
1.222 djm 868: if ((lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) != 0 ||
869: can_get_users_groups_by_id(conn)) {
1.50 djm 870: char *lname;
871: struct stat sb;
872:
873: memset(&sb, 0, sizeof(sb));
874: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 875: lname = ls_file(fname, &sb, 1,
1.222 djm 876: (lflag & LS_SI_UNITS),
877: ruser_name(sb.st_uid),
878: rgroup_name(sb.st_gid));
1.174 schwarze 879: mprintf("%s\n", lname);
1.145 djm 880: free(lname);
1.50 djm 881: } else
1.174 schwarze 882: mprintf("%s\n", d[n]->longname);
1.44 djm 883: } else {
1.174 schwarze 884: mprintf("%-*s", colspace, fname);
1.44 djm 885: if (c >= columns) {
886: printf("\n");
887: c = 1;
888: } else
889: c++;
890: }
891:
1.145 djm 892: free(fname);
1.44 djm 893: }
894:
1.53 djm 895: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 896: printf("\n");
897:
898: free_sftp_dirents(d);
899: return (0);
900: }
901:
1.180 djm 902: static int
903: sglob_comp(const void *aa, const void *bb)
904: {
905: u_int a = *(const u_int *)aa;
906: u_int b = *(const u_int *)bb;
907: const char *ap = sort_glob->gl_pathv[a];
908: const char *bp = sort_glob->gl_pathv[b];
909: const struct stat *as = sort_glob->gl_statv[a];
910: const struct stat *bs = sort_glob->gl_statv[b];
911: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
912:
913: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
914: if (sort_flag & LS_NAME_SORT)
915: return (rmul * strcmp(ap, bp));
1.206 djm 916: else if (sort_flag & LS_TIME_SORT) {
917: if (timespeccmp(&as->st_mtim, &bs->st_mtim, ==))
918: return 0;
919: return timespeccmp(&as->st_mtim, &bs->st_mtim, <) ?
920: rmul : -rmul;
921: } else if (sort_flag & LS_SIZE_SORT)
1.180 djm 922: return (rmul * NCMP(as->st_size, bs->st_size));
923:
924: fatal("Unknown ls sort type");
925: }
926:
1.44 djm 927: /* sftp ls.1 replacement which handles path globs */
928: static int
1.175 djm 929: do_globbed_ls(struct sftp_conn *conn, const char *path,
930: const char *strip_path, int lflag)
1.44 djm 931: {
1.129 djm 932: char *fname, *lname;
1.44 djm 933: glob_t g;
1.164 djm 934: int err, r;
1.129 djm 935: struct winsize ws;
1.180 djm 936: u_int i, j, nentries, *indices = NULL, c = 1;
937: u_int colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 938:
939: memset(&g, 0, sizeof(g));
940:
1.164 djm 941: if ((r = remote_glob(conn, path,
1.133 djm 942: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
1.164 djm 943: NULL, &g)) != 0 ||
1.128 djm 944: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 945: if (g.gl_pathc)
946: globfree(&g);
1.164 djm 947: if (r == GLOB_NOSPACE) {
948: error("Can't ls: Too many matches for \"%s\"", path);
949: } else {
950: error("Can't ls: \"%s\" not found", path);
951: }
1.128 djm 952: return -1;
1.44 djm 953: }
954:
1.46 djm 955: if (interrupted)
956: goto out;
957:
1.44 djm 958: /*
1.60 fgsch 959: * If the glob returns a single match and it is a directory,
960: * then just list its contents.
1.44 djm 961: */
1.128 djm 962: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
963: S_ISDIR(g.gl_statv[0]->st_mode)) {
964: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
965: globfree(&g);
966: return err;
1.44 djm 967: }
968:
1.129 djm 969: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
970: width = ws.ws_col;
971:
1.53 djm 972: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 973: /* Count entries for sort and find longest filename */
974: for (i = 0; g.gl_pathv[i]; i++)
1.176 deraadt 975: m = MAXIMUM(m, strlen(g.gl_pathv[i]));
1.44 djm 976:
977: columns = width / (m + 2);
1.176 deraadt 978: columns = MAXIMUM(columns, 1);
1.44 djm 979: colspace = width / columns;
980: }
981:
1.180 djm 982: /*
983: * Sorting: rather than mess with the contents of glob_t, prepare
984: * an array of indices into it and sort that. For the usual
985: * unsorted case, the indices are just the identity 1=1, 2=2, etc.
986: */
987: for (nentries = 0; g.gl_pathv[nentries] != NULL; nentries++)
988: ; /* count entries */
1.229 dtucker 989: indices = xcalloc(nentries, sizeof(*indices));
1.180 djm 990: for (i = 0; i < nentries; i++)
991: indices[i] = i;
992:
993: if (lflag & SORT_FLAGS) {
994: sort_glob = &g;
995: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
996: qsort(indices, nentries, sizeof(*indices), sglob_comp);
997: sort_glob = NULL;
998: }
999:
1.222 djm 1000: get_remote_user_groups_from_glob(conn, &g);
1.180 djm 1001: for (j = 0; j < nentries && !interrupted; j++) {
1002: i = indices[j];
1.44 djm 1003: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 1004: if (lflag & LS_LONG_VIEW) {
1.128 djm 1005: if (g.gl_statv[i] == NULL) {
1006: error("no stat information for %s", fname);
1.226 dtucker 1007: free(fname);
1.128 djm 1008: continue;
1009: }
1010: lname = ls_file(fname, g.gl_statv[i], 1,
1.222 djm 1011: (lflag & LS_SI_UNITS),
1012: ruser_name(g.gl_statv[i]->st_uid),
1013: rgroup_name(g.gl_statv[i]->st_gid));
1.174 schwarze 1014: mprintf("%s\n", lname);
1.145 djm 1015: free(lname);
1.44 djm 1016: } else {
1.174 schwarze 1017: mprintf("%-*s", colspace, fname);
1.44 djm 1018: if (c >= columns) {
1019: printf("\n");
1020: c = 1;
1021: } else
1022: c++;
1023: }
1.145 djm 1024: free(fname);
1.44 djm 1025: }
1026:
1.53 djm 1027: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 1028: printf("\n");
1029:
1.46 djm 1030: out:
1.44 djm 1031: if (g.gl_pathc)
1032: globfree(&g);
1.180 djm 1033: free(indices);
1.44 djm 1034:
1.128 djm 1035: return 0;
1.44 djm 1036: }
1037:
1.100 djm 1038: static int
1.175 djm 1039: do_df(struct sftp_conn *conn, const char *path, int hflag, int iflag)
1.100 djm 1040: {
1.101 dtucker 1041: struct sftp_statvfs st;
1.178 djm 1042: char s_used[FMT_SCALED_STRSIZE], s_avail[FMT_SCALED_STRSIZE];
1043: char s_root[FMT_SCALED_STRSIZE], s_total[FMT_SCALED_STRSIZE];
1044: char s_icapacity[16], s_dcapacity[16];
1.100 djm 1045:
1046: if (do_statvfs(conn, path, &st, 1) == -1)
1047: return -1;
1.178 djm 1048: if (st.f_files == 0)
1049: strlcpy(s_icapacity, "ERR", sizeof(s_icapacity));
1050: else {
1051: snprintf(s_icapacity, sizeof(s_icapacity), "%3llu%%",
1052: (unsigned long long)(100 * (st.f_files - st.f_ffree) /
1053: st.f_files));
1054: }
1055: if (st.f_blocks == 0)
1056: strlcpy(s_dcapacity, "ERR", sizeof(s_dcapacity));
1057: else {
1058: snprintf(s_dcapacity, sizeof(s_dcapacity), "%3llu%%",
1059: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
1060: st.f_blocks));
1061: }
1.100 djm 1062: if (iflag) {
1063: printf(" Inodes Used Avail "
1064: "(root) %%Capacity\n");
1.178 djm 1065: printf("%11llu %11llu %11llu %11llu %s\n",
1.100 djm 1066: (unsigned long long)st.f_files,
1067: (unsigned long long)(st.f_files - st.f_ffree),
1068: (unsigned long long)st.f_favail,
1.178 djm 1069: (unsigned long long)st.f_ffree, s_icapacity);
1.100 djm 1070: } else if (hflag) {
1071: strlcpy(s_used, "error", sizeof(s_used));
1072: strlcpy(s_avail, "error", sizeof(s_avail));
1073: strlcpy(s_root, "error", sizeof(s_root));
1074: strlcpy(s_total, "error", sizeof(s_total));
1075: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
1076: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
1077: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
1078: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
1079: printf(" Size Used Avail (root) %%Capacity\n");
1.178 djm 1080: printf("%7sB %7sB %7sB %7sB %s\n",
1081: s_total, s_used, s_avail, s_root, s_dcapacity);
1.100 djm 1082: } else {
1083: printf(" Size Used Avail "
1084: "(root) %%Capacity\n");
1.178 djm 1085: printf("%12llu %12llu %12llu %12llu %s\n",
1.100 djm 1086: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
1087: (unsigned long long)(st.f_frsize *
1088: (st.f_blocks - st.f_bfree) / 1024),
1089: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
1090: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
1.178 djm 1091: s_dcapacity);
1.100 djm 1092: }
1093: return 0;
1094: }
1095:
1.97 djm 1096: /*
1097: * Undo escaping of glob sequences in place. Used to undo extra escaping
1098: * applied in makeargv() when the string is destined for a function that
1099: * does not glob it.
1100: */
1101: static void
1102: undo_glob_escape(char *s)
1103: {
1104: size_t i, j;
1105:
1106: for (i = j = 0;;) {
1107: if (s[i] == '\0') {
1108: s[j] = '\0';
1109: return;
1110: }
1111: if (s[i] != '\\') {
1112: s[j++] = s[i++];
1113: continue;
1114: }
1115: /* s[i] == '\\' */
1116: ++i;
1117: switch (s[i]) {
1118: case '?':
1119: case '[':
1120: case '*':
1121: case '\\':
1122: s[j++] = s[i++];
1123: break;
1124: case '\0':
1125: s[j++] = '\\';
1126: s[j] = '\0';
1127: return;
1128: default:
1129: s[j++] = '\\';
1130: s[j++] = s[i++];
1131: break;
1132: }
1133: }
1134: }
1135:
1136: /*
1137: * Split a string into an argument vector using sh(1)-style quoting,
1138: * comment and escaping rules, but with some tweaks to handle glob(3)
1139: * wildcards.
1.116 djm 1140: * The "sloppy" flag allows for recovery from missing terminating quote, for
1141: * use in parsing incomplete commandlines during tab autocompletion.
1142: *
1.97 djm 1143: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 1144: *
1145: * If "lastquote" is not NULL, the quoting character used for the last
1146: * argument is placed in *lastquote ("\0", "'" or "\"").
1.149 djm 1147: *
1.116 djm 1148: * If "terminated" is not NULL, *terminated will be set to 1 when the
1149: * last argument's quote has been properly terminated or 0 otherwise.
1150: * This parameter is only of use if "sloppy" is set.
1.97 djm 1151: */
1.204 djm 1152: #define MAXARGS 128
1.97 djm 1153: #define MAXARGLEN 8192
1154: static char **
1.116 djm 1155: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
1156: u_int *terminated)
1.97 djm 1157: {
1158: int argc, quot;
1159: size_t i, j;
1160: static char argvs[MAXARGLEN];
1161: static char *argv[MAXARGS + 1];
1162: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
1163:
1164: *argcp = argc = 0;
1165: if (strlen(arg) > sizeof(argvs) - 1) {
1166: args_too_longs:
1167: error("string too long");
1168: return NULL;
1169: }
1.116 djm 1170: if (terminated != NULL)
1171: *terminated = 1;
1172: if (lastquote != NULL)
1173: *lastquote = '\0';
1.97 djm 1174: state = MA_START;
1175: i = j = 0;
1176: for (;;) {
1.141 markus 1177: if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){
1.138 dtucker 1178: error("Too many arguments.");
1179: return NULL;
1180: }
1.158 deraadt 1181: if (isspace((unsigned char)arg[i])) {
1.97 djm 1182: if (state == MA_UNQUOTED) {
1183: /* Terminate current argument */
1184: argvs[j++] = '\0';
1185: argc++;
1186: state = MA_START;
1187: } else if (state != MA_START)
1188: argvs[j++] = arg[i];
1189: } else if (arg[i] == '"' || arg[i] == '\'') {
1190: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
1191: if (state == MA_START) {
1192: argv[argc] = argvs + j;
1193: state = q;
1.116 djm 1194: if (lastquote != NULL)
1195: *lastquote = arg[i];
1.149 djm 1196: } else if (state == MA_UNQUOTED)
1.97 djm 1197: state = q;
1198: else if (state == q)
1199: state = MA_UNQUOTED;
1200: else
1201: argvs[j++] = arg[i];
1202: } else if (arg[i] == '\\') {
1203: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1204: quot = state == MA_SQUOTE ? '\'' : '"';
1205: /* Unescape quote we are in */
1206: /* XXX support \n and friends? */
1207: if (arg[i + 1] == quot) {
1208: i++;
1209: argvs[j++] = arg[i];
1210: } else if (arg[i + 1] == '?' ||
1211: arg[i + 1] == '[' || arg[i + 1] == '*') {
1212: /*
1213: * Special case for sftp: append
1214: * double-escaped glob sequence -
1215: * glob will undo one level of
1216: * escaping. NB. string can grow here.
1217: */
1218: if (j >= sizeof(argvs) - 5)
1219: goto args_too_longs;
1220: argvs[j++] = '\\';
1221: argvs[j++] = arg[i++];
1222: argvs[j++] = '\\';
1223: argvs[j++] = arg[i];
1224: } else {
1225: argvs[j++] = arg[i++];
1226: argvs[j++] = arg[i];
1227: }
1228: } else {
1229: if (state == MA_START) {
1230: argv[argc] = argvs + j;
1231: state = MA_UNQUOTED;
1.116 djm 1232: if (lastquote != NULL)
1233: *lastquote = '\0';
1.97 djm 1234: }
1235: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1236: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1237: /*
1238: * Special case for sftp: append
1239: * escaped glob sequence -
1240: * glob will undo one level of
1241: * escaping.
1242: */
1243: argvs[j++] = arg[i++];
1244: argvs[j++] = arg[i];
1245: } else {
1246: /* Unescape everything */
1247: /* XXX support \n and friends? */
1248: i++;
1249: argvs[j++] = arg[i];
1250: }
1251: }
1252: } else if (arg[i] == '#') {
1253: if (state == MA_SQUOTE || state == MA_DQUOTE)
1254: argvs[j++] = arg[i];
1255: else
1256: goto string_done;
1257: } else if (arg[i] == '\0') {
1258: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1259: if (sloppy) {
1260: state = MA_UNQUOTED;
1261: if (terminated != NULL)
1262: *terminated = 0;
1263: goto string_done;
1264: }
1.97 djm 1265: error("Unterminated quoted argument");
1266: return NULL;
1267: }
1268: string_done:
1269: if (state == MA_UNQUOTED) {
1270: argvs[j++] = '\0';
1271: argc++;
1272: }
1273: break;
1274: } else {
1275: if (state == MA_START) {
1276: argv[argc] = argvs + j;
1277: state = MA_UNQUOTED;
1.116 djm 1278: if (lastquote != NULL)
1279: *lastquote = '\0';
1.97 djm 1280: }
1281: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1282: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1283: /*
1284: * Special case for sftp: escape quoted
1285: * glob(3) wildcards. NB. string can grow
1286: * here.
1287: */
1288: if (j >= sizeof(argvs) - 3)
1289: goto args_too_longs;
1290: argvs[j++] = '\\';
1291: argvs[j++] = arg[i];
1292: } else
1293: argvs[j++] = arg[i];
1294: }
1295: i++;
1296: }
1297: *argcp = argc;
1298: return argv;
1299: }
1300:
1.44 djm 1301: static int
1.187 djm 1302: parse_args(const char **cpp, int *ignore_errors, int *disable_echo, int *aflag,
1.173 djm 1303: int *fflag, int *hflag, int *iflag, int *lflag, int *pflag,
1.159 logan 1304: int *rflag, int *sflag,
1.156 djm 1305: unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1306: {
1307: const char *cmd, *cp = *cpp;
1.97 djm 1308: char *cp2, **argv;
1.44 djm 1309: int base = 0;
1.202 dtucker 1310: long long ll;
1.182 djm 1311: int path1_mandatory = 0, i, cmdnum, optidx, argc;
1.44 djm 1312:
1313: /* Skip leading whitespace */
1314: cp = cp + strspn(cp, WHITESPACE);
1315:
1.187 djm 1316: /*
1317: * Check for leading '-' (disable error processing) and '@' (suppress
1318: * command echo)
1319: */
1.156 djm 1320: *ignore_errors = 0;
1.187 djm 1321: *disable_echo = 0;
1322: for (;*cp != '\0'; cp++) {
1323: if (*cp == '-') {
1324: *ignore_errors = 1;
1325: } else if (*cp == '@') {
1326: *disable_echo = 1;
1327: } else {
1328: /* all other characters terminate prefix processing */
1329: break;
1330: }
1.44 djm 1331: }
1.187 djm 1332: cp = cp + strspn(cp, WHITESPACE);
1.118 dtucker 1333:
1334: /* Ignore blank lines and lines which begin with comment '#' char */
1335: if (*cp == '\0' || *cp == '#')
1336: return (0);
1.44 djm 1337:
1.116 djm 1338: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1339: return -1;
1340:
1.44 djm 1341: /* Figure out which command we have */
1.97 djm 1342: for (i = 0; cmds[i].c != NULL; i++) {
1.142 djm 1343: if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1344: break;
1345: }
1346: cmdnum = cmds[i].n;
1347: cmd = cmds[i].c;
1348:
1349: /* Special case */
1350: if (*cp == '!') {
1351: cp++;
1352: cmdnum = I_SHELL;
1353: } else if (cmdnum == -1) {
1354: error("Invalid command.");
1.97 djm 1355: return -1;
1.44 djm 1356: }
1357:
1358: /* Get arguments and parse flags */
1.156 djm 1359: *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0;
1360: *rflag = *sflag = 0;
1.44 djm 1361: *path1 = *path2 = NULL;
1.97 djm 1362: optidx = 1;
1.44 djm 1363: switch (cmdnum) {
1364: case I_GET:
1.148 djm 1365: case I_REGET:
1.159 logan 1366: case I_REPUT:
1.44 djm 1367: case I_PUT:
1.132 djm 1368: if ((optidx = parse_getput_flags(cmd, argv, argc,
1.156 djm 1369: aflag, fflag, pflag, rflag)) == -1)
1.97 djm 1370: return -1;
1.44 djm 1371: /* Get first pathname (mandatory) */
1.97 djm 1372: if (argc - optidx < 1) {
1.44 djm 1373: error("You must specify at least one path after a "
1374: "%s command.", cmd);
1.97 djm 1375: return -1;
1376: }
1377: *path1 = xstrdup(argv[optidx]);
1378: /* Get second pathname (optional) */
1379: if (argc - optidx > 1) {
1380: *path2 = xstrdup(argv[optidx + 1]);
1381: /* Destination is not globbed */
1382: undo_glob_escape(*path2);
1.44 djm 1383: }
1384: break;
1.132 djm 1385: case I_LINK:
1386: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1387: return -1;
1.152 djm 1388: goto parse_two_paths;
1.214 djm 1389: case I_COPY:
1390: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1391: return -1;
1392: goto parse_two_paths;
1.152 djm 1393: case I_RENAME:
1394: if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1)
1395: return -1;
1396: goto parse_two_paths;
1.132 djm 1397: case I_SYMLINK:
1.153 djm 1398: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1399: return -1;
1.152 djm 1400: parse_two_paths:
1.97 djm 1401: if (argc - optidx < 2) {
1.44 djm 1402: error("You must specify two paths after a %s "
1403: "command.", cmd);
1.97 djm 1404: return -1;
1.44 djm 1405: }
1.97 djm 1406: *path1 = xstrdup(argv[optidx]);
1407: *path2 = xstrdup(argv[optidx + 1]);
1408: /* Paths are not globbed */
1409: undo_glob_escape(*path1);
1410: undo_glob_escape(*path2);
1.44 djm 1411: break;
1412: case I_RM:
1413: case I_MKDIR:
1414: case I_RMDIR:
1.182 djm 1415: case I_LMKDIR:
1416: path1_mandatory = 1;
1417: /* FALLTHROUGH */
1.44 djm 1418: case I_CHDIR:
1419: case I_LCHDIR:
1.153 djm 1420: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1421: return -1;
1.44 djm 1422: /* Get pathname (mandatory) */
1.97 djm 1423: if (argc - optidx < 1) {
1.182 djm 1424: if (!path1_mandatory)
1425: break; /* return a NULL path1 */
1.44 djm 1426: error("You must specify a path after a %s command.",
1427: cmd);
1.97 djm 1428: return -1;
1.44 djm 1429: }
1.97 djm 1430: *path1 = xstrdup(argv[optidx]);
1431: /* Only "rm" globs */
1432: if (cmdnum != I_RM)
1433: undo_glob_escape(*path1);
1.44 djm 1434: break;
1.100 djm 1435: case I_DF:
1436: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1437: iflag)) == -1)
1438: return -1;
1439: /* Default to current directory if no path specified */
1440: if (argc - optidx < 1)
1441: *path1 = NULL;
1442: else {
1443: *path1 = xstrdup(argv[optidx]);
1444: undo_glob_escape(*path1);
1445: }
1446: break;
1.44 djm 1447: case I_LS:
1.97 djm 1448: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1449: return(-1);
1450: /* Path is optional */
1.97 djm 1451: if (argc - optidx > 0)
1452: *path1 = xstrdup(argv[optidx]);
1.44 djm 1453: break;
1454: case I_LLS:
1.98 djm 1455: /* Skip ls command and following whitespace */
1456: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1457: case I_SHELL:
1458: /* Uses the rest of the line */
1459: break;
1460: case I_LUMASK:
1461: case I_CHMOD:
1462: base = 8;
1.186 dtucker 1463: /* FALLTHROUGH */
1.44 djm 1464: case I_CHOWN:
1465: case I_CHGRP:
1.189 djm 1466: if ((optidx = parse_ch_flags(cmd, argv, argc, hflag)) == -1)
1.153 djm 1467: return -1;
1.44 djm 1468: /* Get numeric arg (mandatory) */
1.97 djm 1469: if (argc - optidx < 1)
1470: goto need_num_arg;
1.93 ray 1471: errno = 0;
1.202 dtucker 1472: ll = strtoll(argv[optidx], &cp2, base);
1.97 djm 1473: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1.202 dtucker 1474: ((ll == LLONG_MIN || ll == LLONG_MAX) && errno == ERANGE) ||
1475: ll < 0 || ll > UINT32_MAX) {
1.97 djm 1476: need_num_arg:
1.44 djm 1477: error("You must supply a numeric argument "
1478: "to the %s command.", cmd);
1.97 djm 1479: return -1;
1.44 djm 1480: }
1.202 dtucker 1481: *n_arg = ll;
1.97 djm 1482: if (cmdnum == I_LUMASK)
1.44 djm 1483: break;
1484: /* Get pathname (mandatory) */
1.97 djm 1485: if (argc - optidx < 2) {
1.44 djm 1486: error("You must specify a path after a %s command.",
1487: cmd);
1.97 djm 1488: return -1;
1.44 djm 1489: }
1.97 djm 1490: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1491: break;
1492: case I_QUIT:
1493: case I_PWD:
1494: case I_LPWD:
1495: case I_HELP:
1496: case I_VERSION:
1497: case I_PROGRESS:
1.153 djm 1498: if ((optidx = parse_no_flags(cmd, argv, argc)) == -1)
1499: return -1;
1.44 djm 1500: break;
1501: default:
1502: fatal("Command not implemented");
1503: }
1504:
1505: *cpp = cp;
1506: return(cmdnum);
1507: }
1508:
1509: static int
1510: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1.187 djm 1511: const char *startdir, int err_abort, int echo_command)
1.44 djm 1512: {
1.187 djm 1513: const char *ocmd = cmd;
1.44 djm 1514: char *path1, *path2, *tmp;
1.187 djm 1515: int ignore_errors = 0, disable_echo = 1;
1516: int aflag = 0, fflag = 0, hflag = 0, iflag = 0;
1.156 djm 1517: int lflag = 0, pflag = 0, rflag = 0, sflag = 0;
1.132 djm 1518: int cmdnum, i;
1.107 dtucker 1519: unsigned long n_arg = 0;
1.44 djm 1520: Attrib a, *aa;
1.170 deraadt 1521: char path_buf[PATH_MAX];
1.44 djm 1522: int err = 0;
1523: glob_t g;
1524:
1525: path1 = path2 = NULL;
1.187 djm 1526: cmdnum = parse_args(&cmd, &ignore_errors, &disable_echo, &aflag, &fflag,
1527: &hflag, &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg,
1528: &path1, &path2);
1.156 djm 1529: if (ignore_errors != 0)
1.44 djm 1530: err_abort = 0;
1531:
1.187 djm 1532: if (echo_command && !disable_echo)
1533: mprintf("sftp> %s\n", ocmd);
1534:
1.44 djm 1535: memset(&g, 0, sizeof(g));
1536:
1537: /* Perform command */
1538: switch (cmdnum) {
1539: case 0:
1540: /* Blank line */
1541: break;
1542: case -1:
1543: /* Unrecognized command */
1544: err = -1;
1545: break;
1.148 djm 1546: case I_REGET:
1547: aflag = 1;
1548: /* FALLTHROUGH */
1.44 djm 1549: case I_GET:
1.148 djm 1550: err = process_get(conn, path1, path2, *pwd, pflag,
1.156 djm 1551: rflag, aflag, fflag);
1.44 djm 1552: break;
1.159 logan 1553: case I_REPUT:
1554: aflag = 1;
1555: /* FALLTHROUGH */
1.44 djm 1556: case I_PUT:
1.156 djm 1557: err = process_put(conn, path1, path2, *pwd, pflag,
1.159 logan 1558: rflag, aflag, fflag);
1.214 djm 1559: break;
1560: case I_COPY:
1561: path1 = make_absolute(path1, *pwd);
1562: path2 = make_absolute(path2, *pwd);
1563: err = do_copy(conn, path1, path2);
1.44 djm 1564: break;
1565: case I_RENAME:
1566: path1 = make_absolute(path1, *pwd);
1567: path2 = make_absolute(path2, *pwd);
1.152 djm 1568: err = do_rename(conn, path1, path2, lflag);
1.44 djm 1569: break;
1570: case I_SYMLINK:
1.132 djm 1571: sflag = 1;
1.186 dtucker 1572: /* FALLTHROUGH */
1.132 djm 1573: case I_LINK:
1.151 djm 1574: if (!sflag)
1575: path1 = make_absolute(path1, *pwd);
1.44 djm 1576: path2 = make_absolute(path2, *pwd);
1.132 djm 1577: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1578: break;
1579: case I_RM:
1.215 djm 1580: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1581: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1582: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1583: if (!quiet)
1.174 schwarze 1584: mprintf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 1585: err = do_rm(conn, g.gl_pathv[i]);
1586: if (err != 0 && err_abort)
1587: break;
1588: }
1589: break;
1590: case I_MKDIR:
1591: path1 = make_absolute(path1, *pwd);
1592: attrib_clear(&a);
1593: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1594: a.perm = 0777;
1.111 djm 1595: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1596: break;
1597: case I_RMDIR:
1598: path1 = make_absolute(path1, *pwd);
1599: err = do_rmdir(conn, path1);
1600: break;
1601: case I_CHDIR:
1.182 djm 1602: if (path1 == NULL || *path1 == '\0')
1603: path1 = xstrdup(startdir);
1.44 djm 1604: path1 = make_absolute(path1, *pwd);
1605: if ((tmp = do_realpath(conn, path1)) == NULL) {
1606: err = 1;
1607: break;
1608: }
1609: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1.145 djm 1610: free(tmp);
1.44 djm 1611: err = 1;
1612: break;
1613: }
1614: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1615: error("Can't change directory: Can't check target");
1.145 djm 1616: free(tmp);
1.44 djm 1617: err = 1;
1618: break;
1619: }
1620: if (!S_ISDIR(aa->perm)) {
1621: error("Can't change directory: \"%s\" is not "
1622: "a directory", tmp);
1.145 djm 1623: free(tmp);
1.44 djm 1624: err = 1;
1625: break;
1626: }
1.145 djm 1627: free(*pwd);
1.44 djm 1628: *pwd = tmp;
1629: break;
1630: case I_LS:
1631: if (!path1) {
1.125 djm 1632: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1633: break;
1634: }
1635:
1636: /* Strip pwd off beginning of non-absolute paths */
1637: tmp = NULL;
1.188 djm 1638: if (!path_absolute(path1))
1.44 djm 1639: tmp = *pwd;
1640:
1.215 djm 1641: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1642: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1643: break;
1644: case I_DF:
1645: /* Default to current directory if no path specified */
1646: if (path1 == NULL)
1647: path1 = xstrdup(*pwd);
1648: path1 = make_absolute(path1, *pwd);
1649: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1650: break;
1651: case I_LCHDIR:
1.182 djm 1652: if (path1 == NULL || *path1 == '\0')
1653: path1 = xstrdup("~");
1.166 deraadt 1654: tmp = tilde_expand_filename(path1, getuid());
1.165 djm 1655: free(path1);
1656: path1 = tmp;
1.44 djm 1657: if (chdir(path1) == -1) {
1658: error("Couldn't change local directory to "
1659: "\"%s\": %s", path1, strerror(errno));
1660: err = 1;
1661: }
1662: break;
1663: case I_LMKDIR:
1664: if (mkdir(path1, 0777) == -1) {
1665: error("Couldn't create local directory "
1666: "\"%s\": %s", path1, strerror(errno));
1667: err = 1;
1668: }
1669: break;
1670: case I_LLS:
1671: local_do_ls(cmd);
1672: break;
1673: case I_SHELL:
1674: local_do_shell(cmd);
1675: break;
1676: case I_LUMASK:
1677: umask(n_arg);
1678: printf("Local umask: %03lo\n", n_arg);
1679: break;
1680: case I_CHMOD:
1.215 djm 1681: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1682: attrib_clear(&a);
1683: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1684: a.perm = n_arg;
1685: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1686: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.143 djm 1687: if (!quiet)
1.174 schwarze 1688: mprintf("Changing mode on %s\n",
1689: g.gl_pathv[i]);
1.189 djm 1690: err = (hflag ? do_lsetstat : do_setstat)(conn,
1691: g.gl_pathv[i], &a);
1.44 djm 1692: if (err != 0 && err_abort)
1693: break;
1694: }
1695: break;
1696: case I_CHOWN:
1697: case I_CHGRP:
1.215 djm 1698: path1 = make_absolute_pwd_glob(path1, *pwd);
1.44 djm 1699: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1700: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.189 djm 1701: if (!(aa = (hflag ? do_lstat : do_stat)(conn,
1702: g.gl_pathv[i], 0))) {
1.104 djm 1703: if (err_abort) {
1704: err = -1;
1.44 djm 1705: break;
1.104 djm 1706: } else
1.44 djm 1707: continue;
1708: }
1709: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1710: error("Can't get current ownership of "
1711: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1712: if (err_abort) {
1713: err = -1;
1.44 djm 1714: break;
1.104 djm 1715: } else
1.44 djm 1716: continue;
1717: }
1718: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1719: if (cmdnum == I_CHOWN) {
1.143 djm 1720: if (!quiet)
1.174 schwarze 1721: mprintf("Changing owner on %s\n",
1.143 djm 1722: g.gl_pathv[i]);
1.44 djm 1723: aa->uid = n_arg;
1724: } else {
1.143 djm 1725: if (!quiet)
1.174 schwarze 1726: mprintf("Changing group on %s\n",
1.143 djm 1727: g.gl_pathv[i]);
1.44 djm 1728: aa->gid = n_arg;
1729: }
1.189 djm 1730: err = (hflag ? do_lsetstat : do_setstat)(conn,
1731: g.gl_pathv[i], aa);
1.44 djm 1732: if (err != 0 && err_abort)
1733: break;
1734: }
1735: break;
1736: case I_PWD:
1.174 schwarze 1737: mprintf("Remote working directory: %s\n", *pwd);
1.44 djm 1738: break;
1739: case I_LPWD:
1740: if (!getcwd(path_buf, sizeof(path_buf))) {
1741: error("Couldn't get local cwd: %s", strerror(errno));
1742: err = -1;
1743: break;
1744: }
1.174 schwarze 1745: mprintf("Local working directory: %s\n", path_buf);
1.44 djm 1746: break;
1747: case I_QUIT:
1748: /* Processed below */
1749: break;
1750: case I_HELP:
1751: help();
1752: break;
1753: case I_VERSION:
1754: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1755: break;
1756: case I_PROGRESS:
1757: showprogress = !showprogress;
1758: if (showprogress)
1759: printf("Progress meter enabled\n");
1760: else
1761: printf("Progress meter disabled\n");
1762: break;
1763: default:
1764: fatal("%d is not implemented", cmdnum);
1765: }
1766:
1767: if (g.gl_pathc)
1768: globfree(&g);
1.145 djm 1769: free(path1);
1770: free(path2);
1.44 djm 1771:
1772: /* If an unignored error occurs in batch mode we should abort. */
1773: if (err_abort && err != 0)
1774: return (-1);
1775: else if (cmdnum == I_QUIT)
1776: return (1);
1777:
1778: return (0);
1779: }
1780:
1.57 djm 1781: static char *
1782: prompt(EditLine *el)
1783: {
1784: return ("sftp> ");
1785: }
1786:
1.116 djm 1787: /* Display entries in 'list' after skipping the first 'len' chars */
1788: static void
1789: complete_display(char **list, u_int len)
1790: {
1791: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1792: struct winsize ws;
1793: char *tmp;
1794:
1795: /* Count entries for sort and find longest */
1.149 djm 1796: for (y = 0; list[y]; y++)
1.176 deraadt 1797: m = MAXIMUM(m, strlen(list[y]));
1.116 djm 1798:
1799: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1800: width = ws.ws_col;
1801:
1802: m = m > len ? m - len : 0;
1803: columns = width / (m + 2);
1.176 deraadt 1804: columns = MAXIMUM(columns, 1);
1.116 djm 1805: colspace = width / columns;
1.176 deraadt 1806: colspace = MINIMUM(colspace, width);
1.116 djm 1807:
1808: printf("\n");
1809: m = 1;
1810: for (y = 0; list[y]; y++) {
1811: llen = strlen(list[y]);
1812: tmp = llen > len ? list[y] + len : "";
1.174 schwarze 1813: mprintf("%-*s", colspace, tmp);
1.116 djm 1814: if (m >= columns) {
1815: printf("\n");
1816: m = 1;
1817: } else
1818: m++;
1819: }
1820: printf("\n");
1821: }
1822:
1823: /*
1824: * Given a "list" of words that begin with a common prefix of "word",
1825: * attempt to find an autocompletion to extends "word" by the next
1826: * characters common to all entries in "list".
1827: */
1828: static char *
1829: complete_ambiguous(const char *word, char **list, size_t count)
1830: {
1831: if (word == NULL)
1832: return NULL;
1833:
1834: if (count > 0) {
1835: u_int y, matchlen = strlen(list[0]);
1836:
1837: /* Find length of common stem */
1838: for (y = 1; list[y]; y++) {
1839: u_int x;
1840:
1.149 djm 1841: for (x = 0; x < matchlen; x++)
1842: if (list[0][x] != list[y][x])
1.116 djm 1843: break;
1844:
1845: matchlen = x;
1846: }
1847:
1848: if (matchlen > strlen(word)) {
1849: char *tmp = xstrdup(list[0]);
1850:
1.117 dtucker 1851: tmp[matchlen] = '\0';
1.116 djm 1852: return tmp;
1853: }
1.149 djm 1854: }
1.116 djm 1855:
1856: return xstrdup(word);
1857: }
1858:
1859: /* Autocomplete a sftp command */
1860: static int
1861: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1862: int terminated)
1863: {
1864: u_int y, count = 0, cmdlen, tmplen;
1865: char *tmp, **list, argterm[3];
1866: const LineInfo *lf;
1867:
1868: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1869:
1870: /* No command specified: display all available commands */
1871: if (cmd == NULL) {
1872: for (y = 0; cmds[y].c; y++)
1873: list[count++] = xstrdup(cmds[y].c);
1.149 djm 1874:
1.116 djm 1875: list[count] = NULL;
1876: complete_display(list, 0);
1877:
1.149 djm 1878: for (y = 0; list[y] != NULL; y++)
1879: free(list[y]);
1.145 djm 1880: free(list);
1.116 djm 1881: return count;
1882: }
1883:
1884: /* Prepare subset of commands that start with "cmd" */
1885: cmdlen = strlen(cmd);
1886: for (y = 0; cmds[y].c; y++) {
1.149 djm 1887: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1.116 djm 1888: list[count++] = xstrdup(cmds[y].c);
1889: }
1890: list[count] = NULL;
1891:
1.134 oga 1892: if (count == 0) {
1.145 djm 1893: free(list);
1.116 djm 1894: return 0;
1.134 oga 1895: }
1.116 djm 1896:
1.183 djm 1897: /* Complete ambiguous command */
1.116 djm 1898: tmp = complete_ambiguous(cmd, list, count);
1899: if (count > 1)
1900: complete_display(list, 0);
1901:
1.149 djm 1902: for (y = 0; list[y]; y++)
1903: free(list[y]);
1.145 djm 1904: free(list);
1.116 djm 1905:
1906: if (tmp != NULL) {
1907: tmplen = strlen(tmp);
1908: cmdlen = strlen(cmd);
1909: /* If cmd may be extended then do so */
1910: if (tmplen > cmdlen)
1911: if (el_insertstr(el, tmp + cmdlen) == -1)
1912: fatal("el_insertstr failed.");
1913: lf = el_line(el);
1914: /* Terminate argument cleanly */
1915: if (count == 1) {
1916: y = 0;
1917: if (!terminated)
1918: argterm[y++] = quote;
1919: if (lastarg || *(lf->cursor) != ' ')
1920: argterm[y++] = ' ';
1921: argterm[y] = '\0';
1922: if (y > 0 && el_insertstr(el, argterm) == -1)
1923: fatal("el_insertstr failed.");
1924: }
1.145 djm 1925: free(tmp);
1.116 djm 1926: }
1927:
1928: return count;
1929: }
1930:
1931: /*
1.220 djm 1932: * Determine whether a particular sftp command's arguments (if any) represent
1933: * local or remote files. The "cmdarg" argument specifies the actual argument
1934: * and accepts values 1 or 2.
1.116 djm 1935: */
1936: static int
1.220 djm 1937: complete_is_remote(char *cmd, int cmdarg) {
1.116 djm 1938: int i;
1939:
1940: if (cmd == NULL)
1941: return -1;
1942:
1943: for (i = 0; cmds[i].c; i++) {
1.220 djm 1944: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c))) {
1945: if (cmdarg == 1)
1946: return cmds[i].t;
1947: else if (cmdarg == 2)
1948: return cmds[i].t2;
1949: break;
1950: }
1.116 djm 1951: }
1952:
1953: return -1;
1954: }
1955:
1956: /* Autocomplete a filename "file" */
1957: static int
1958: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1959: char *file, int remote, int lastarg, char quote, int terminated)
1960: {
1961: glob_t g;
1.146 dtucker 1962: char *tmp, *tmp2, ins[8];
1.140 dtucker 1963: u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs;
1.146 dtucker 1964: int clen;
1.116 djm 1965: const LineInfo *lf;
1.149 djm 1966:
1.116 djm 1967: /* Glob from "file" location */
1968: if (file == NULL)
1969: tmp = xstrdup("*");
1970: else
1971: xasprintf(&tmp, "%s*", file);
1972:
1.139 dtucker 1973: /* Check if the path is absolute. */
1.188 djm 1974: isabs = path_absolute(tmp);
1.139 dtucker 1975:
1.116 djm 1976: memset(&g, 0, sizeof(g));
1977: if (remote != LOCAL) {
1.230 dtucker 1978: tmp = make_absolute_pwd_glob(tmp, remote_path);
1.116 djm 1979: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1980: } else
1.116 djm 1981: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1.149 djm 1982:
1.116 djm 1983: /* Determine length of pwd so we can trim completion display */
1984: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1985: /* Terminate counting on first unescaped glob metacharacter */
1986: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1987: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1988: hadglob = 1;
1989: break;
1990: }
1991: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1992: tmplen++;
1993: if (tmp[tmplen] == '/')
1994: pwdlen = tmplen + 1; /* track last seen '/' */
1995: }
1.145 djm 1996: free(tmp);
1.161 dtucker 1997: tmp = NULL;
1.116 djm 1998:
1.149 djm 1999: if (g.gl_matchc == 0)
1.116 djm 2000: goto out;
2001:
2002: if (g.gl_matchc > 1)
2003: complete_display(g.gl_pathv, pwdlen);
2004:
2005: /* Don't try to extend globs */
2006: if (file == NULL || hadglob)
2007: goto out;
2008:
2009: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1.139 dtucker 2010: tmp = path_strip(tmp2, isabs ? NULL : remote_path);
1.145 djm 2011: free(tmp2);
1.116 djm 2012:
2013: if (tmp == NULL)
2014: goto out;
2015:
2016: tmplen = strlen(tmp);
2017: filelen = strlen(file);
2018:
1.140 dtucker 2019: /* Count the number of escaped characters in the input string. */
2020: cesc = isesc = 0;
2021: for (i = 0; i < filelen; i++) {
2022: if (!isesc && file[i] == '\\' && i + 1 < filelen){
2023: isesc = 1;
2024: cesc++;
2025: } else
2026: isesc = 0;
2027: }
2028:
2029: if (tmplen > (filelen - cesc)) {
2030: tmp2 = tmp + filelen - cesc;
1.149 djm 2031: len = strlen(tmp2);
1.116 djm 2032: /* quote argument on way out */
1.146 dtucker 2033: for (i = 0; i < len; i += clen) {
2034: if ((clen = mblen(tmp2 + i, len - i)) < 0 ||
2035: (size_t)clen > sizeof(ins) - 2)
2036: fatal("invalid multibyte character");
1.116 djm 2037: ins[0] = '\\';
1.146 dtucker 2038: memcpy(ins + 1, tmp2 + i, clen);
2039: ins[clen + 1] = '\0';
1.116 djm 2040: switch (tmp2[i]) {
2041: case '\'':
2042: case '"':
2043: case '\\':
2044: case '\t':
1.131 sthen 2045: case '[':
1.116 djm 2046: case ' ':
1.140 dtucker 2047: case '#':
2048: case '*':
1.116 djm 2049: if (quote == '\0' || tmp2[i] == quote) {
2050: if (el_insertstr(el, ins) == -1)
2051: fatal("el_insertstr "
2052: "failed.");
2053: break;
2054: }
2055: /* FALLTHROUGH */
2056: default:
2057: if (el_insertstr(el, ins + 1) == -1)
2058: fatal("el_insertstr failed.");
2059: break;
2060: }
2061: }
2062: }
2063:
2064: lf = el_line(el);
2065: if (g.gl_matchc == 1) {
2066: i = 0;
1.162 dtucker 2067: if (!terminated && quote != '\0')
1.116 djm 2068: ins[i++] = quote;
1.120 djm 2069: if (*(lf->cursor - 1) != '/' &&
2070: (lastarg || *(lf->cursor) != ' '))
1.116 djm 2071: ins[i++] = ' ';
2072: ins[i] = '\0';
2073: if (i > 0 && el_insertstr(el, ins) == -1)
2074: fatal("el_insertstr failed.");
2075: }
1.145 djm 2076: free(tmp);
1.116 djm 2077:
2078: out:
2079: globfree(&g);
2080: return g.gl_matchc;
2081: }
2082:
2083: /* tab-completion hook function, called via libedit */
2084: static unsigned char
2085: complete(EditLine *el, int ch)
2086: {
1.149 djm 2087: char **argv, *line, quote;
1.147 djm 2088: int argc, carg;
2089: u_int cursor, len, terminated, ret = CC_ERROR;
1.116 djm 2090: const LineInfo *lf;
2091: struct complete_ctx *complete_ctx;
2092:
2093: lf = el_line(el);
2094: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1.203 djm 2095: fatal_f("el_get failed");
1.116 djm 2096:
2097: /* Figure out which argument the cursor points to */
2098: cursor = lf->cursor - lf->buffer;
1.171 deraadt 2099: line = xmalloc(cursor + 1);
1.116 djm 2100: memcpy(line, lf->buffer, cursor);
2101: line[cursor] = '\0';
2102: argv = makeargv(line, &carg, 1, "e, &terminated);
1.145 djm 2103: free(line);
1.116 djm 2104:
2105: /* Get all the arguments on the line */
2106: len = lf->lastchar - lf->buffer;
1.171 deraadt 2107: line = xmalloc(len + 1);
1.116 djm 2108: memcpy(line, lf->buffer, len);
2109: line[len] = '\0';
2110: argv = makeargv(line, &argc, 1, NULL, NULL);
2111:
2112: /* Ensure cursor is at EOL or a argument boundary */
2113: if (line[cursor] != ' ' && line[cursor] != '\0' &&
2114: line[cursor] != '\n') {
1.145 djm 2115: free(line);
1.116 djm 2116: return ret;
2117: }
2118:
2119: if (carg == 0) {
2120: /* Show all available commands */
2121: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
2122: ret = CC_REDISPLAY;
2123: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
2124: /* Handle the command parsing */
2125: if (complete_cmd_parse(el, argv[0], argc == carg,
1.149 djm 2126: quote, terminated) != 0)
1.116 djm 2127: ret = CC_REDISPLAY;
2128: } else if (carg >= 1) {
2129: /* Handle file parsing */
1.220 djm 2130: int remote = 0;
2131: int i = 0, cmdarg = 0;
1.116 djm 2132: char *filematch = NULL;
2133:
2134: if (carg > 1 && line[cursor-1] != ' ')
2135: filematch = argv[carg - 1];
1.220 djm 2136:
2137: for (i = 1; i < carg; i++) {
2138: /* Skip flags */
2139: if (argv[i][0] != '-')
2140: cmdarg++;
2141: }
2142:
2143: /*
2144: * If previous argument is complete, then offer completion
2145: * on the next one.
2146: */
2147: if (line[cursor - 1] == ' ')
2148: cmdarg++;
2149:
2150: remote = complete_is_remote(argv[0], cmdarg);
1.116 djm 2151:
1.219 djm 2152: if ((remote == REMOTE || remote == LOCAL) &&
1.116 djm 2153: complete_match(el, complete_ctx->conn,
2154: *complete_ctx->remote_pathp, filematch,
1.149 djm 2155: remote, carg == argc, quote, terminated) != 0)
1.116 djm 2156: ret = CC_REDISPLAY;
2157: }
2158:
1.149 djm 2159: free(line);
1.116 djm 2160: return ret;
2161: }
2162:
1.182 djm 2163: static int
1.112 djm 2164: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 2165: {
1.116 djm 2166: char *remote_path;
1.182 djm 2167: char *dir = NULL, *startdir = NULL;
1.44 djm 2168: char cmd[2048];
1.66 jaredy 2169: int err, interactive;
1.57 djm 2170: EditLine *el = NULL;
2171: History *hl = NULL;
2172: HistEvent hev;
2173: extern char *__progname;
1.116 djm 2174: struct complete_ctx complete_ctx;
1.57 djm 2175:
2176: if (!batchmode && isatty(STDIN_FILENO)) {
2177: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
2178: fatal("Couldn't initialise editline");
2179: if ((hl = history_init()) == NULL)
2180: fatal("Couldn't initialise editline history");
2181: history(hl, &hev, H_SETSIZE, 100);
2182: el_set(el, EL_HIST, history, hl);
2183:
2184: el_set(el, EL_PROMPT, prompt);
2185: el_set(el, EL_EDITOR, "emacs");
2186: el_set(el, EL_TERMINAL, NULL);
2187: el_set(el, EL_SIGNAL, 1);
2188: el_source(el, NULL);
1.116 djm 2189:
2190: /* Tab Completion */
1.149 djm 2191: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 2192: "Context sensitive argument completion", complete);
1.116 djm 2193: complete_ctx.conn = conn;
2194: complete_ctx.remote_pathp = &remote_path;
2195: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
2196: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.154 djm 2197: /* enable ctrl-left-arrow and ctrl-right-arrow */
2198: el_set(el, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
1.194 tb 2199: el_set(el, EL_BIND, "\\e\\e[C", "em-next-word", NULL);
1.154 djm 2200: el_set(el, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
2201: el_set(el, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
1.155 djm 2202: /* make ^w match ksh behaviour */
2203: el_set(el, EL_BIND, "^w", "ed-delete-prev-word", NULL);
1.57 djm 2204: }
1.44 djm 2205:
1.116 djm 2206: remote_path = do_realpath(conn, ".");
2207: if (remote_path == NULL)
1.44 djm 2208: fatal("Need cwd");
1.182 djm 2209: startdir = xstrdup(remote_path);
1.44 djm 2210:
2211: if (file1 != NULL) {
2212: dir = xstrdup(file1);
1.116 djm 2213: dir = make_absolute(dir, remote_path);
1.44 djm 2214:
2215: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.143 djm 2216: if (!quiet)
1.174 schwarze 2217: mprintf("Changing to: %s\n", dir);
1.44 djm 2218: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 2219: if (parse_dispatch_command(conn, cmd,
1.187 djm 2220: &remote_path, startdir, 1, 0) != 0) {
1.145 djm 2221: free(dir);
1.182 djm 2222: free(startdir);
1.145 djm 2223: free(remote_path);
2224: free(conn);
1.44 djm 2225: return (-1);
1.58 markus 2226: }
1.44 djm 2227: } else {
1.137 djm 2228: /* XXX this is wrong wrt quoting */
1.148 djm 2229: snprintf(cmd, sizeof cmd, "get%s %s%s%s",
2230: global_aflag ? " -a" : "", dir,
2231: file2 == NULL ? "" : " ",
2232: file2 == NULL ? "" : file2);
1.116 djm 2233: err = parse_dispatch_command(conn, cmd,
1.187 djm 2234: &remote_path, startdir, 1, 0);
1.145 djm 2235: free(dir);
1.182 djm 2236: free(startdir);
1.145 djm 2237: free(remote_path);
2238: free(conn);
1.44 djm 2239: return (err);
2240: }
1.145 djm 2241: free(dir);
1.44 djm 2242: }
2243:
1.168 millert 2244: setvbuf(stdout, NULL, _IOLBF, 0);
2245: setvbuf(infile, NULL, _IOLBF, 0);
1.44 djm 2246:
1.66 jaredy 2247: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 2248: err = 0;
2249: for (;;) {
1.212 schwarze 2250: struct sigaction sa;
1.57 djm 2251: const char *line;
2252: int count = 0;
1.44 djm 2253:
1.212 schwarze 2254: interrupted = 0;
2255: memset(&sa, 0, sizeof(sa));
2256: sa.sa_handler = interactive ? read_interrupt : killchild;
2257: if (sigaction(SIGINT, &sa, NULL) == -1) {
2258: debug3("sigaction(%s): %s", strsignal(SIGINT),
2259: strerror(errno));
2260: break;
2261: }
1.57 djm 2262: if (el == NULL) {
1.66 jaredy 2263: if (interactive)
2264: printf("sftp> ");
1.57 djm 2265: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 2266: if (interactive)
2267: printf("\n");
1.212 schwarze 2268: if (interrupted)
2269: continue;
1.57 djm 2270: break;
2271: }
2272: } else {
1.116 djm 2273: if ((line = el_gets(el, &count)) == NULL ||
2274: count <= 0) {
1.66 jaredy 2275: printf("\n");
1.211 schwarze 2276: if (interrupted)
2277: continue;
1.57 djm 2278: break;
1.66 jaredy 2279: }
1.57 djm 2280: history(hl, &hev, H_ENTER, line);
2281: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
2282: fprintf(stderr, "Error: input line too long\n");
2283: continue;
2284: }
1.44 djm 2285: }
2286:
1.187 djm 2287: cmd[strcspn(cmd, "\n")] = '\0';
1.44 djm 2288:
1.46 djm 2289: /* Handle user interrupts gracefully during commands */
2290: interrupted = 0;
1.197 dtucker 2291: ssh_signal(SIGINT, cmd_interrupt);
1.46 djm 2292:
1.116 djm 2293: err = parse_dispatch_command(conn, cmd, &remote_path,
1.187 djm 2294: startdir, batchmode, !interactive && el == NULL);
1.44 djm 2295: if (err != 0)
2296: break;
2297: }
1.197 dtucker 2298: ssh_signal(SIGCHLD, SIG_DFL);
1.145 djm 2299: free(remote_path);
1.182 djm 2300: free(startdir);
1.145 djm 2301: free(conn);
1.66 jaredy 2302:
2303: if (el != NULL)
2304: el_end(el);
1.44 djm 2305:
2306: /* err == 1 signifies normal "quit" exit */
2307: return (err >= 0 ? 0 : -1);
2308: }
1.34 fgsch 2309:
1.18 itojun 2310: static void
1.36 djm 2311: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 2312: {
1.213 djm 2313: int c_in, c_out, inout[2];
1.30 deraadt 2314:
1.1 djm 2315: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
2316: fatal("socketpair: %s", strerror(errno));
2317: *in = *out = inout[0];
2318: c_in = c_out = inout[1];
2319:
1.36 djm 2320: if ((sshpid = fork()) == -1)
1.1 djm 2321: fatal("fork: %s", strerror(errno));
1.36 djm 2322: else if (sshpid == 0) {
1.1 djm 2323: if ((dup2(c_in, STDIN_FILENO) == -1) ||
2324: (dup2(c_out, STDOUT_FILENO) == -1)) {
2325: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 2326: _exit(1);
1.1 djm 2327: }
2328: close(*in);
2329: close(*out);
2330: close(c_in);
2331: close(c_out);
1.46 djm 2332:
2333: /*
2334: * The underlying ssh is in the same process group, so we must
1.56 deraadt 2335: * ignore SIGINT if we want to gracefully abort commands,
2336: * otherwise the signal will make it to the ssh process and
1.122 guenther 2337: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2338: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2339: */
1.197 dtucker 2340: ssh_signal(SIGINT, SIG_IGN);
2341: ssh_signal(SIGTERM, SIG_DFL);
1.49 dtucker 2342: execvp(path, args);
1.23 djm 2343: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2344: _exit(1);
1.1 djm 2345: }
2346:
1.197 dtucker 2347: ssh_signal(SIGTERM, killchild);
2348: ssh_signal(SIGINT, killchild);
2349: ssh_signal(SIGHUP, killchild);
2350: ssh_signal(SIGTSTP, suspchild);
2351: ssh_signal(SIGTTIN, suspchild);
2352: ssh_signal(SIGTTOU, suspchild);
2353: ssh_signal(SIGCHLD, sigchld_handler);
1.1 djm 2354: close(c_in);
2355: close(c_out);
2356: }
2357:
1.18 itojun 2358: static void
1.1 djm 2359: usage(void)
2360: {
1.25 mpech 2361: extern char *__progname;
1.27 markus 2362:
1.19 stevesk 2363: fprintf(stderr,
1.201 djm 2364: "usage: %s [-46AaCfNpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.218 jmc 2365: " [-D sftp_server_command] [-F ssh_config] [-i identity_file]\n"
1.190 tb 2366: " [-J destination] [-l limit] [-o ssh_option] [-P port]\n"
2367: " [-R num_requests] [-S program] [-s subsystem | sftp_server]\n"
1.224 jmc 2368: " [-X sftp_option] destination\n",
1.181 millert 2369: __progname);
1.1 djm 2370: exit(1);
2371: }
2372:
1.2 stevesk 2373: int
1.1 djm 2374: main(int argc, char **argv)
2375: {
1.217 djm 2376: int r, in, out, ch, err, tmp, port = -1, noisy = 0;
2377: char *host = NULL, *user, *cp, **cpp, *file2 = NULL;
1.198 dtucker 2378: int debug_level = 0;
1.17 mouring 2379: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2380: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2381: const char *errstr;
1.17 mouring 2382: LogLevel ll = SYSLOG_LEVEL_INFO;
2383: arglist args;
1.3 djm 2384: extern int optind;
2385: extern char *optarg;
1.112 djm 2386: struct sftp_conn *conn;
1.207 djm 2387: size_t copy_buffer_len = 0;
2388: size_t num_requests = 0;
1.223 djm 2389: long long llv, limit_kbps = 0;
1.67 djm 2390:
2391: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2392: sanitise_stdfd();
1.146 dtucker 2393: setlocale(LC_CTYPE, "");
1.1 djm 2394:
1.70 djm 2395: memset(&args, '\0', sizeof(args));
1.17 mouring 2396: args.list = NULL;
1.80 djm 2397: addargs(&args, "%s", ssh_program);
1.17 mouring 2398: addargs(&args, "-oForwardX11 no");
1.69 reyk 2399: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2400: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2401:
1.17 mouring 2402: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2403: infile = stdin;
1.3 djm 2404:
1.109 djm 2405: while ((ch = getopt(argc, argv,
1.223 djm 2406: "1246AafhNpqrvCc:D:i:l:o:s:S:b:B:F:J:P:R:X:")) != -1) {
1.3 djm 2407: switch (ch) {
1.108 djm 2408: /* Passed through to ssh(1) */
1.201 djm 2409: case 'A':
1.108 djm 2410: case '4':
2411: case '6':
1.3 djm 2412: case 'C':
1.108 djm 2413: addargs(&args, "-%c", ch);
2414: break;
2415: /* Passed through to ssh(1) with argument */
2416: case 'F':
1.190 tb 2417: case 'J':
1.108 djm 2418: case 'c':
2419: case 'i':
2420: case 'o':
1.113 halex 2421: addargs(&args, "-%c", ch);
2422: addargs(&args, "%s", optarg);
1.108 djm 2423: break;
2424: case 'q':
1.143 djm 2425: ll = SYSLOG_LEVEL_ERROR;
2426: quiet = 1;
1.108 djm 2427: showprogress = 0;
2428: addargs(&args, "-%c", ch);
1.3 djm 2429: break;
1.109 djm 2430: case 'P':
1.181 millert 2431: port = a2port(optarg);
2432: if (port <= 0)
2433: fatal("Bad port \"%s\"\n", optarg);
1.109 djm 2434: break;
1.3 djm 2435: case 'v':
1.17 mouring 2436: if (debug_level < 3) {
2437: addargs(&args, "-v");
2438: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2439: }
2440: debug_level++;
1.3 djm 2441: break;
1.7 markus 2442: case '1':
1.198 dtucker 2443: fatal("SSH protocol v.1 is no longer supported");
1.7 markus 2444: break;
1.108 djm 2445: case '2':
1.198 dtucker 2446: /* accept silently */
1.148 djm 2447: break;
2448: case 'a':
2449: global_aflag = 1;
1.7 markus 2450: break;
1.108 djm 2451: case 'B':
2452: copy_buffer_len = strtol(optarg, &cp, 10);
2453: if (copy_buffer_len == 0 || *cp != '\0')
2454: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2455: break;
1.10 deraadt 2456: case 'b':
1.39 djm 2457: if (batchmode)
2458: fatal("Batch file already specified.");
2459:
2460: /* Allow "-" as stdin */
1.56 deraadt 2461: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2462: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2463: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2464: showprogress = 0;
1.143 djm 2465: quiet = batchmode = 1;
1.62 djm 2466: addargs(&args, "-obatchmode yes");
1.156 djm 2467: break;
2468: case 'f':
2469: global_fflag = 1;
1.10 deraadt 2470: break;
1.199 djm 2471: case 'N':
2472: noisy = 1; /* Used to clear quiet mode after getopt */
2473: break;
1.111 djm 2474: case 'p':
2475: global_pflag = 1;
2476: break;
1.109 djm 2477: case 'D':
1.23 djm 2478: sftp_direct = optarg;
1.111 djm 2479: break;
1.126 djm 2480: case 'l':
2481: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2482: &errstr);
2483: if (errstr != NULL)
2484: usage();
2485: limit_kbps *= 1024; /* kbps */
2486: break;
1.111 djm 2487: case 'r':
2488: global_rflag = 1;
1.24 djm 2489: break;
1.26 djm 2490: case 'R':
2491: num_requests = strtol(optarg, &cp, 10);
2492: if (num_requests == 0 || *cp != '\0')
1.27 markus 2493: fatal("Invalid number of requests \"%s\"",
1.26 djm 2494: optarg);
1.108 djm 2495: break;
2496: case 's':
2497: sftp_server = optarg;
2498: break;
2499: case 'S':
2500: ssh_program = optarg;
2501: replacearg(&args, 0, "%s", ssh_program);
1.223 djm 2502: break;
2503: case 'X':
2504: /* Please keep in sync with ssh.c -X */
2505: if (strncmp(optarg, "buffer=", 7) == 0) {
2506: r = scan_scaled(optarg + 7, &llv);
2507: if (r == 0 && (llv <= 0 || llv > 256 * 1024)) {
2508: r = -1;
2509: errno = EINVAL;
2510: }
2511: if (r == -1) {
2512: fatal("Invalid buffer size \"%s\": %s",
2513: optarg + 7, strerror(errno));
2514: }
2515: copy_buffer_len = (size_t)llv;
2516: } else if (strncmp(optarg, "nrequests=", 10) == 0) {
2517: llv = strtonum(optarg + 10, 1, 256 * 1024,
2518: &errstr);
2519: if (errstr != NULL) {
2520: fatal("Invalid number of requests "
2521: "\"%s\": %s", optarg + 10, errstr);
2522: }
2523: num_requests = (size_t)llv;
2524: } else {
2525: fatal("Invalid -X option");
2526: }
1.23 djm 2527: break;
1.3 djm 2528: case 'h':
2529: default:
1.1 djm 2530: usage();
2531: }
2532: }
1.201 djm 2533:
2534: /* Do this last because we want the user to be able to override it */
2535: addargs(&args, "-oForwardAgent no");
1.45 djm 2536:
2537: if (!isatty(STDERR_FILENO))
2538: showprogress = 0;
1.199 djm 2539:
2540: if (noisy)
2541: quiet = 0;
1.1 djm 2542:
1.29 markus 2543: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2544:
1.23 djm 2545: if (sftp_direct == NULL) {
2546: if (optind == argc || argc > (optind + 2))
2547: usage();
1.181 millert 2548: argv += optind;
1.23 djm 2549:
1.181 millert 2550: switch (parse_uri("sftp", *argv, &user, &host, &tmp, &file1)) {
2551: case -1:
2552: usage();
2553: break;
2554: case 0:
2555: if (tmp != -1)
2556: port = tmp;
2557: break;
2558: default:
1.192 dtucker 2559: /* Try with user, host and path. */
1.181 millert 2560: if (parse_user_host_path(*argv, &user, &host,
1.192 dtucker 2561: &file1) == 0)
2562: break;
2563: /* Try with user and host. */
2564: if (parse_user_host_port(*argv, &user, &host, NULL)
2565: == 0)
2566: break;
2567: /* Treat as a plain hostname. */
2568: host = xstrdup(*argv);
2569: host = cleanhostname(host);
1.181 millert 2570: break;
1.23 djm 2571: }
1.181 millert 2572: file2 = *(argv + 1);
1.3 djm 2573:
1.23 djm 2574: if (!*host) {
2575: fprintf(stderr, "Missing hostname\n");
1.1 djm 2576: usage();
2577: }
2578:
1.181 millert 2579: if (port != -1)
2580: addargs(&args, "-oPort %d", port);
2581: if (user != NULL) {
2582: addargs(&args, "-l");
2583: addargs(&args, "%s", user);
2584: }
1.23 djm 2585:
2586: /* no subsystem if the server-spec contains a '/' */
2587: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2588: addargs(&args, "-s");
2589:
1.115 guenther 2590: addargs(&args, "--");
1.23 djm 2591: addargs(&args, "%s", host);
1.27 markus 2592: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2593: sftp_server : "sftp"));
2594:
1.36 djm 2595: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2596: } else {
1.217 djm 2597: if ((r = argv_split(sftp_direct, &tmp, &cpp, 1)) != 0)
2598: fatal_r(r, "Parse -D arguments");
2599: if (cpp[0] == 0)
2600: fatal("No sftp server specified via -D");
2601: connect_to_server(cpp[0], cpp, &in, &out);
2602: argv_free(cpp, tmp);
1.1 djm 2603: }
1.70 djm 2604: freeargs(&args);
1.1 djm 2605:
1.126 djm 2606: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2607: if (conn == NULL)
2608: fatal("Couldn't initialise connection to server");
2609:
1.143 djm 2610: if (!quiet) {
1.112 djm 2611: if (sftp_direct == NULL)
2612: fprintf(stderr, "Connected to %s.\n", host);
2613: else
2614: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2615: }
2616:
2617: err = interactive_loop(conn, file1, file2);
1.1 djm 2618:
2619: close(in);
2620: close(out);
1.39 djm 2621: if (batchmode)
1.10 deraadt 2622: fclose(infile);
1.1 djm 2623:
1.185 bluhm 2624: while (waitpid(sshpid, NULL, 0) == -1 && sshpid > 1)
1.28 markus 2625: if (errno != EINTR)
2626: fatal("Couldn't wait for ssh process: %s",
2627: strerror(errno));
1.1 djm 2628:
1.33 djm 2629: exit(err == 0 ? 0 : 1);
1.1 djm 2630: }
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