Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2001 Damien Miller. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 14 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 15 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 16 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 17 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 18 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 19 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 20 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 22 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 | */ |
| 24 | |
| 25 | /* XXX: finish implementation of all commands */ |
| 26 | /* XXX: do fnmatch() instead of using raw pathname */ |
| 27 | /* XXX: recursive operations */ |
| 28 | |
| 29 | #include "includes.h" |
Kevin Steves | 62c45db | 2001-02-05 13:42:43 +0000 | [diff] [blame] | 30 | RCSID("$OpenBSD: sftp-int.c,v 1.7 2001/02/05 00:02:32 deraadt Exp $"); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 31 | |
| 32 | #include "buffer.h" |
| 33 | #include "xmalloc.h" |
| 34 | #include "log.h" |
| 35 | #include "pathnames.h" |
| 36 | |
| 37 | #include "sftp.h" |
| 38 | #include "sftp-common.h" |
| 39 | #include "sftp-client.h" |
| 40 | #include "sftp-int.h" |
| 41 | |
| 42 | /* Seperators for interactive commands */ |
| 43 | #define WHITESPACE " \t\r\n" |
| 44 | |
| 45 | /* Commands for interactive mode */ |
| 46 | #define I_CHDIR 1 |
| 47 | #define I_CHGRP 2 |
| 48 | #define I_CHMOD 3 |
| 49 | #define I_CHOWN 4 |
| 50 | #define I_GET 5 |
| 51 | #define I_HELP 6 |
| 52 | #define I_LCHDIR 7 |
| 53 | #define I_LLS 8 |
| 54 | #define I_LMKDIR 9 |
| 55 | #define I_LPWD 10 |
| 56 | #define I_LS 11 |
| 57 | #define I_LUMASK 12 |
| 58 | #define I_MKDIR 13 |
| 59 | #define I_PUT 14 |
| 60 | #define I_PWD 15 |
| 61 | #define I_QUIT 16 |
| 62 | #define I_RENAME 17 |
| 63 | #define I_RM 18 |
| 64 | #define I_RMDIR 19 |
| 65 | #define I_SHELL 20 |
| 66 | |
| 67 | struct CMD { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 68 | const char *c; |
Kevin Steves | 62c45db | 2001-02-05 13:42:43 +0000 | [diff] [blame] | 69 | const int n; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 70 | }; |
| 71 | |
| 72 | const struct CMD cmds[] = { |
Kevin Steves | 62c45db | 2001-02-05 13:42:43 +0000 | [diff] [blame] | 73 | { "CD", I_CHDIR }, |
| 74 | { "CHDIR", I_CHDIR }, |
| 75 | { "CHGRP", I_CHGRP }, |
| 76 | { "CHMOD", I_CHMOD }, |
| 77 | { "CHOWN", I_CHOWN }, |
| 78 | { "EXIT", I_QUIT }, |
| 79 | { "GET", I_GET }, |
| 80 | { "HELP", I_HELP }, |
| 81 | { "LCD", I_LCHDIR }, |
| 82 | { "LCHDIR", I_LCHDIR }, |
| 83 | { "LLS", I_LLS }, |
| 84 | { "LMKDIR", I_LMKDIR }, |
| 85 | { "LPWD", I_LPWD }, |
| 86 | { "LS", I_LS }, |
| 87 | { "LUMASK", I_LUMASK }, |
| 88 | { "MKDIR", I_MKDIR }, |
| 89 | { "PUT", I_PUT }, |
| 90 | { "PWD", I_PWD }, |
| 91 | { "QUIT", I_QUIT }, |
| 92 | { "RENAME", I_RENAME }, |
| 93 | { "RM", I_RM }, |
| 94 | { "RMDIR", I_RMDIR }, |
| 95 | { "!", I_SHELL }, |
| 96 | { "?", I_HELP }, |
| 97 | { NULL, -1} |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 98 | }; |
| 99 | |
| 100 | void |
| 101 | help(void) |
| 102 | { |
| 103 | printf("Available commands:\n"); |
| 104 | printf("CD path Change remote directory to 'path'\n"); |
| 105 | printf("LCD path Change local directory to 'path'\n"); |
| 106 | printf("CHGRP grp path Change group of file 'path' to 'grp'\n"); |
| 107 | printf("CHMOD mode path Change permissions of file 'path' to 'mode'\n"); |
| 108 | printf("CHOWN own path Change owner of file 'path' to 'own'\n"); |
| 109 | printf("HELP Display this help text\n"); |
| 110 | printf("GET remote-path [local-path] Download file\n"); |
| 111 | printf("LLS [ls options] [path] Display local directory listing\n"); |
| 112 | printf("LMKDIR path Create local directory\n"); |
| 113 | printf("LPWD Print local working directory\n"); |
| 114 | printf("LS [path] Display remote directory listing\n"); |
| 115 | printf("LUMASK umask Set local umask to 'umask'\n"); |
| 116 | printf("MKDIR path Create remote directory\n"); |
| 117 | printf("PUT local-path [remote-path] Upload file\n"); |
| 118 | printf("PWD Display remote working directory\n"); |
| 119 | printf("EXIT Quit sftp\n"); |
| 120 | printf("QUIT Quit sftp\n"); |
| 121 | printf("RENAME oldpath newpath Rename remote file\n"); |
| 122 | printf("RMDIR path Remove remote directory\n"); |
| 123 | printf("RM path Delete remote file\n"); |
| 124 | printf("!command Execute 'command' in local shell\n"); |
| 125 | printf("! Escape to local shell\n"); |
| 126 | } |
| 127 | |
| 128 | void |
| 129 | local_do_shell(const char *args) |
| 130 | { |
| 131 | int ret, status; |
| 132 | char *shell; |
| 133 | pid_t pid; |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 134 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 135 | if (!*args) |
| 136 | args = NULL; |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 137 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 138 | if ((shell = getenv("SHELL")) == NULL) |
| 139 | shell = _PATH_BSHELL; |
| 140 | |
| 141 | if ((pid = fork()) == -1) |
| 142 | fatal("Couldn't fork: %s", strerror(errno)); |
| 143 | |
| 144 | if (pid == 0) { |
| 145 | /* XXX: child has pipe fds to ssh subproc open - issue? */ |
| 146 | if (args) { |
| 147 | debug3("Executing %s -c \"%s\"", shell, args); |
| 148 | ret = execl(shell, shell, "-c", args, NULL); |
| 149 | } else { |
| 150 | debug3("Executing %s", shell); |
| 151 | ret = execl(shell, shell, NULL); |
| 152 | } |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 153 | fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 154 | strerror(errno)); |
| 155 | _exit(1); |
| 156 | } |
| 157 | if (waitpid(pid, &status, 0) == -1) |
| 158 | fatal("Couldn't wait for child: %s", strerror(errno)); |
| 159 | if (!WIFEXITED(status)) |
| 160 | error("Shell exited abormally"); |
| 161 | else if (WEXITSTATUS(status)) |
| 162 | error("Shell exited with status %d", WEXITSTATUS(status)); |
| 163 | } |
| 164 | |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 165 | void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 166 | local_do_ls(const char *args) |
| 167 | { |
| 168 | if (!args || !*args) |
| 169 | local_do_shell("ls"); |
| 170 | else { |
| 171 | char *buf = xmalloc(8 + strlen(args) + 1); |
| 172 | |
| 173 | /* XXX: quoting - rip quoting code from ftp? */ |
| 174 | sprintf(buf, "/bin/ls %s", args); |
| 175 | local_do_shell(buf); |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | char * |
| 180 | make_absolute(char *p, char *pwd) |
| 181 | { |
| 182 | char buf[2048]; |
| 183 | |
| 184 | /* Derelativise */ |
| 185 | if (p && p[0] != '/') { |
| 186 | snprintf(buf, sizeof(buf), "%s/%s", pwd, p); |
| 187 | xfree(p); |
| 188 | p = xstrdup(buf); |
| 189 | } |
| 190 | |
| 191 | return(p); |
| 192 | } |
| 193 | |
| 194 | int |
| 195 | parse_getput_flags(const char **cpp, int *pflag) |
| 196 | { |
| 197 | const char *cp = *cpp; |
| 198 | |
| 199 | /* Check for flags */ |
| 200 | if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) { |
| 201 | switch (*cp) { |
| 202 | case 'P': |
| 203 | *pflag = 1; |
| 204 | break; |
| 205 | default: |
| 206 | error("Invalid flag -%c", *cp); |
| 207 | return(-1); |
| 208 | } |
| 209 | cp += 2; |
| 210 | *cpp = cp + strspn(cp, WHITESPACE); |
| 211 | } |
| 212 | |
| 213 | return(0); |
| 214 | } |
| 215 | |
| 216 | int |
| 217 | get_pathname(const char **cpp, char **path) |
| 218 | { |
| 219 | const char *quot, *cp = *cpp; |
| 220 | int i; |
| 221 | |
| 222 | cp += strspn(cp, WHITESPACE); |
| 223 | if (!*cp) { |
| 224 | *cpp = cp; |
| 225 | *path = NULL; |
| 226 | return(0); |
| 227 | } |
| 228 | |
| 229 | /* Check for quoted filenames */ |
| 230 | if (*cp == '\"' || *cp == '\'') { |
| 231 | quot = cp++; |
| 232 | for(i = 0; cp[i] && cp[i] != *quot; i++) |
| 233 | ; |
| 234 | if (!cp[i]) { |
| 235 | error("Unterminated quote"); |
| 236 | *path = NULL; |
| 237 | return(-1); |
| 238 | } |
| 239 | if (i == 0) { |
| 240 | error("Empty quotes"); |
| 241 | *path = NULL; |
| 242 | return(-1); |
| 243 | } |
| 244 | *path = xmalloc(i + 1); |
| 245 | memcpy(*path, cp, i); |
| 246 | (*path)[i] = '\0'; |
| 247 | cp += i + 1; |
| 248 | *cpp = cp + strspn(cp, WHITESPACE); |
| 249 | return(0); |
| 250 | } |
| 251 | |
| 252 | /* Read to end of filename */ |
| 253 | for(i = 0; cp[i] && cp[i] != ' '; i++) |
| 254 | ; |
| 255 | |
| 256 | *path = xmalloc(i + 1); |
| 257 | memcpy(*path, cp, i); |
| 258 | (*path)[i] = '\0'; |
| 259 | cp += i; |
| 260 | *cpp = cp + strspn(cp, WHITESPACE); |
| 261 | |
| 262 | return(0); |
| 263 | } |
| 264 | |
| 265 | int |
| 266 | infer_path(const char *p, char **ifp) |
| 267 | { |
| 268 | char *cp; |
| 269 | |
| 270 | debug("XXX: P = \"%s\"", p); |
| 271 | |
| 272 | cp = strrchr(p, '/'); |
| 273 | |
| 274 | if (cp == NULL) { |
| 275 | *ifp = xstrdup(p); |
| 276 | return(0); |
| 277 | } |
| 278 | |
| 279 | if (!cp[1]) { |
| 280 | error("Invalid path"); |
| 281 | return(-1); |
| 282 | } |
| 283 | |
| 284 | *ifp = xstrdup(cp + 1); |
| 285 | return(0); |
| 286 | } |
| 287 | |
| 288 | int |
| 289 | parse_args(const char **cpp, int *pflag, unsigned long *n_arg, |
| 290 | char **path1, char **path2) |
| 291 | { |
| 292 | const char *cmd, *cp = *cpp; |
Kevin Steves | 62c45db | 2001-02-05 13:42:43 +0000 | [diff] [blame] | 293 | int base = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 294 | int i, cmdnum; |
| 295 | |
| 296 | /* Skip leading whitespace */ |
| 297 | cp = cp + strspn(cp, WHITESPACE); |
| 298 | |
| 299 | /* Ignore blank lines */ |
| 300 | if (!*cp) |
| 301 | return(-1); |
| 302 | |
| 303 | /* Figure out which command we have */ |
| 304 | for(i = 0; cmds[i].c; i++) { |
| 305 | int cmdlen = strlen(cmds[i].c); |
| 306 | |
| 307 | /* Check for command followed by whitespace */ |
| 308 | if (!strncasecmp(cp, cmds[i].c, cmdlen) && |
| 309 | strchr(WHITESPACE, cp[cmdlen])) { |
| 310 | cp += cmdlen; |
| 311 | cp = cp + strspn(cp, WHITESPACE); |
| 312 | break; |
| 313 | } |
| 314 | } |
| 315 | cmdnum = cmds[i].n; |
| 316 | cmd = cmds[i].c; |
| 317 | |
| 318 | /* Special case */ |
| 319 | if (*cp == '!') { |
| 320 | cp++; |
| 321 | cmdnum = I_SHELL; |
| 322 | } else if (cmdnum == -1) { |
| 323 | error("Invalid command."); |
| 324 | return(-1); |
| 325 | } |
| 326 | |
| 327 | /* Get arguments and parse flags */ |
| 328 | *pflag = *n_arg = 0; |
| 329 | *path1 = *path2 = NULL; |
| 330 | switch (cmdnum) { |
| 331 | case I_GET: |
| 332 | case I_PUT: |
| 333 | if (parse_getput_flags(&cp, pflag)) |
| 334 | return(-1); |
| 335 | /* Get first pathname (mandatory) */ |
| 336 | if (get_pathname(&cp, path1)) |
| 337 | return(-1); |
| 338 | if (*path1 == NULL) { |
| 339 | error("You must specify at least one path after a " |
| 340 | "%s command.", cmd); |
| 341 | return(-1); |
| 342 | } |
| 343 | /* Try to get second pathname (optional) */ |
| 344 | if (get_pathname(&cp, path2)) |
| 345 | return(-1); |
| 346 | /* Otherwise try to guess it from first path */ |
| 347 | if (*path2 == NULL && infer_path(*path1, path2)) |
| 348 | return(-1); |
| 349 | break; |
| 350 | case I_RENAME: |
| 351 | /* Get first pathname (mandatory) */ |
| 352 | if (get_pathname(&cp, path1)) |
| 353 | return(-1); |
| 354 | if (get_pathname(&cp, path2)) |
| 355 | return(-1); |
| 356 | if (!*path1 || !*path2) { |
| 357 | error("You must specify two paths after a %s " |
| 358 | "command.", cmd); |
| 359 | return(-1); |
| 360 | } |
| 361 | break; |
| 362 | case I_RM: |
| 363 | case I_MKDIR: |
| 364 | case I_RMDIR: |
| 365 | case I_CHDIR: |
| 366 | case I_LCHDIR: |
| 367 | case I_LMKDIR: |
| 368 | /* Get pathname (mandatory) */ |
| 369 | if (get_pathname(&cp, path1)) |
| 370 | return(-1); |
| 371 | if (*path1 == NULL) { |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 372 | error("You must specify a path after a %s command.", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 373 | cmd); |
| 374 | return(-1); |
| 375 | } |
| 376 | break; |
| 377 | case I_LS: |
| 378 | /* Path is optional */ |
| 379 | if (get_pathname(&cp, path1)) |
| 380 | return(-1); |
| 381 | break; |
| 382 | case I_LLS: |
| 383 | case I_SHELL: |
| 384 | /* Uses the rest of the line */ |
| 385 | break; |
| 386 | case I_LUMASK: |
| 387 | case I_CHMOD: |
Kevin Steves | 62c45db | 2001-02-05 13:42:43 +0000 | [diff] [blame] | 388 | base = 8; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 389 | case I_CHOWN: |
| 390 | case I_CHGRP: |
| 391 | /* Get numeric arg (mandatory) */ |
| 392 | if (*cp < '0' && *cp > '9') { |
| 393 | error("You must supply a numeric argument " |
| 394 | "to the %s command.", cmd); |
| 395 | return(-1); |
| 396 | } |
Kevin Steves | 62c45db | 2001-02-05 13:42:43 +0000 | [diff] [blame] | 397 | *n_arg = strtoul(cp, (char**)&cp, base); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 398 | if (!*cp || !strchr(WHITESPACE, *cp)) { |
| 399 | error("You must supply a numeric argument " |
| 400 | "to the %s command.", cmd); |
| 401 | return(-1); |
| 402 | } |
| 403 | cp += strspn(cp, WHITESPACE); |
| 404 | |
| 405 | /* Get pathname (mandatory) */ |
| 406 | if (get_pathname(&cp, path1)) |
| 407 | return(-1); |
| 408 | if (*path1 == NULL) { |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 409 | error("You must specify a path after a %s command.", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 410 | cmd); |
| 411 | return(-1); |
| 412 | } |
| 413 | break; |
| 414 | case I_QUIT: |
| 415 | case I_PWD: |
| 416 | case I_LPWD: |
| 417 | case I_HELP: |
| 418 | break; |
| 419 | default: |
| 420 | fatal("Command not implemented"); |
| 421 | } |
| 422 | |
| 423 | *cpp = cp; |
| 424 | |
| 425 | return(cmdnum); |
| 426 | } |
| 427 | |
| 428 | int |
| 429 | parse_dispatch_command(int in, int out, const char *cmd, char **pwd) |
| 430 | { |
| 431 | char *path1, *path2; |
| 432 | int pflag, cmdnum; |
| 433 | unsigned long n_arg; |
| 434 | Attrib a, *aa; |
| 435 | char path_buf[PATH_MAX]; |
| 436 | |
| 437 | path1 = path2 = NULL; |
| 438 | cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2); |
| 439 | |
| 440 | /* Perform command */ |
| 441 | switch (cmdnum) { |
| 442 | case -1: |
| 443 | break; |
| 444 | case I_GET: |
| 445 | path1 = make_absolute(path1, *pwd); |
| 446 | do_download(in, out, path1, path2, pflag); |
| 447 | break; |
| 448 | case I_PUT: |
| 449 | path2 = make_absolute(path2, *pwd); |
| 450 | do_upload(in, out, path1, path2, pflag); |
| 451 | break; |
| 452 | case I_RENAME: |
| 453 | path1 = make_absolute(path1, *pwd); |
| 454 | path2 = make_absolute(path2, *pwd); |
| 455 | do_rename(in, out, path1, path2); |
| 456 | break; |
| 457 | case I_RM: |
| 458 | path1 = make_absolute(path1, *pwd); |
| 459 | do_rm(in, out, path1); |
| 460 | break; |
| 461 | case I_MKDIR: |
| 462 | path1 = make_absolute(path1, *pwd); |
| 463 | attrib_clear(&a); |
| 464 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; |
| 465 | a.perm = 0777; |
| 466 | do_mkdir(in, out, path1, &a); |
| 467 | break; |
| 468 | case I_RMDIR: |
| 469 | path1 = make_absolute(path1, *pwd); |
| 470 | do_rmdir(in, out, path1); |
| 471 | break; |
| 472 | case I_CHDIR: |
| 473 | path1 = make_absolute(path1, *pwd); |
| 474 | xfree(*pwd); |
| 475 | *pwd = do_realpath(in, out, path1); |
| 476 | break; |
| 477 | case I_LS: |
| 478 | path1 = make_absolute(path1, *pwd); |
| 479 | do_ls(in, out, path1?path1:*pwd); |
| 480 | break; |
| 481 | case I_LCHDIR: |
| 482 | if (chdir(path1) == -1) |
| 483 | error("Couldn't change local directory to " |
| 484 | "\"%s\": %s", path1, strerror(errno)); |
| 485 | break; |
| 486 | case I_LMKDIR: |
| 487 | if (mkdir(path1, 0777) == -1) |
| 488 | error("Couldn't create local directory to " |
| 489 | "\"%s\": %s", path1, strerror(errno)); |
| 490 | break; |
| 491 | case I_LLS: |
| 492 | local_do_ls(cmd); |
| 493 | break; |
| 494 | case I_SHELL: |
| 495 | local_do_shell(cmd); |
| 496 | break; |
| 497 | case I_LUMASK: |
| 498 | umask(n_arg); |
| 499 | break; |
| 500 | case I_CHMOD: |
| 501 | path1 = make_absolute(path1, *pwd); |
| 502 | attrib_clear(&a); |
| 503 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; |
| 504 | a.perm = n_arg; |
| 505 | do_setstat(in, out, path1, &a); |
Kevin Steves | 62c45db | 2001-02-05 13:42:43 +0000 | [diff] [blame] | 506 | break; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 507 | case I_CHOWN: |
| 508 | path1 = make_absolute(path1, *pwd); |
| 509 | aa = do_stat(in, out, path1); |
Kevin Steves | 62c45db | 2001-02-05 13:42:43 +0000 | [diff] [blame] | 510 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 511 | error("Can't get current ownership of " |
| 512 | "remote file \"%s\"", path1); |
| 513 | break; |
| 514 | } |
| 515 | aa->uid = n_arg; |
| 516 | do_setstat(in, out, path1, aa); |
| 517 | break; |
| 518 | case I_CHGRP: |
| 519 | path1 = make_absolute(path1, *pwd); |
| 520 | aa = do_stat(in, out, path1); |
Kevin Steves | 62c45db | 2001-02-05 13:42:43 +0000 | [diff] [blame] | 521 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 522 | error("Can't get current ownership of " |
| 523 | "remote file \"%s\"", path1); |
| 524 | break; |
| 525 | } |
| 526 | aa->gid = n_arg; |
| 527 | do_setstat(in, out, path1, aa); |
| 528 | break; |
| 529 | case I_PWD: |
| 530 | printf("Remote working directory: %s\n", *pwd); |
| 531 | break; |
| 532 | case I_LPWD: |
| 533 | if (!getcwd(path_buf, sizeof(path_buf))) |
| 534 | error("Couldn't get local cwd: %s\n", |
| 535 | strerror(errno)); |
| 536 | else |
| 537 | printf("Local working directory: %s\n", |
| 538 | path_buf); |
| 539 | break; |
| 540 | case I_QUIT: |
| 541 | return(-1); |
| 542 | case I_HELP: |
| 543 | help(); |
| 544 | break; |
| 545 | default: |
| 546 | fatal("%d is not implemented", cmdnum); |
| 547 | } |
| 548 | |
| 549 | if (path1) |
| 550 | xfree(path1); |
| 551 | if (path2) |
| 552 | xfree(path2); |
| 553 | |
| 554 | return(0); |
| 555 | } |
| 556 | |
| 557 | void |
| 558 | interactive_loop(int fd_in, int fd_out) |
| 559 | { |
| 560 | char *pwd; |
| 561 | char cmd[2048]; |
| 562 | |
| 563 | pwd = do_realpath(fd_in, fd_out, "."); |
| 564 | if (pwd == NULL) |
| 565 | fatal("Need cwd"); |
| 566 | |
Damien Miller | 849e288 | 2001-02-05 01:01:55 +1100 | [diff] [blame] | 567 | setvbuf(stdout, (char *)NULL, _IOLBF, 0); |
| 568 | setvbuf(stdin, (char *)NULL, _IOLBF, 0); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 569 | |
| 570 | for(;;) { |
| 571 | char *cp; |
| 572 | |
| 573 | printf("sftp> "); |
| 574 | |
| 575 | /* XXX: use libedit */ |
| 576 | if (fgets(cmd, sizeof(cmd), stdin) == NULL) { |
| 577 | printf("\n"); |
| 578 | break; |
| 579 | } |
| 580 | cp = strrchr(cmd, '\n'); |
| 581 | if (cp) |
| 582 | *cp = '\0'; |
| 583 | if (parse_dispatch_command(fd_in, fd_out, cmd, &pwd)) |
| 584 | break; |
| 585 | } |
| 586 | xfree(pwd); |
| 587 | } |