1 /* $OpenBSD: client.c,v 1.121 2009/04/04 11:29:57 joris Exp $ */ 2 /* 3 * Copyright (c) 2006 Joris Vink <joris@openbsd.org> 4 * 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. 8 * 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. 16 */ 17 18 #include <sys/param.h> 19 #include <sys/dirent.h> 20 #include <sys/stat.h> 21 #include <sys/time.h> 22 23 #include <errno.h> 24 #include <fcntl.h> 25 #include <libgen.h> 26 #include <limits.h> 27 #include <pwd.h> 28 #include <stdlib.h> 29 #include <string.h> 30 #include <time.h> 31 #include <unistd.h> 32 33 #include "cvs.h" 34 #include "remote.h" 35 36 struct cvs_req cvs_requests[] = { 37 /* this is what our client will use, the server should support it */ 38 { "Root", 1, cvs_server_root, REQ_NEEDED }, 39 { "Valid-responses", 1, cvs_server_validresp, REQ_NEEDED }, 40 { "valid-requests", 1, cvs_server_validreq, REQ_NEEDED }, 41 { "Directory", 0, cvs_server_directory, REQ_NEEDED }, 42 { "Static-directory", 0, cvs_server_static_directory, 43 REQ_NEEDED | REQ_NEEDDIR }, 44 { "Sticky", 0, cvs_server_sticky, 45 REQ_NEEDED | REQ_NEEDDIR }, 46 { "Entry", 0, cvs_server_entry, 47 REQ_NEEDED | REQ_NEEDDIR }, 48 { "Modified", 0, cvs_server_modified, 49 REQ_NEEDED | REQ_NEEDDIR }, 50 { "UseUnchanged", 0, cvs_server_useunchanged, REQ_NEEDED }, 51 { "Unchanged", 0, cvs_server_unchanged, 52 REQ_NEEDED | REQ_NEEDDIR }, 53 { "Questionable", 0, cvs_server_questionable, REQ_NEEDED }, 54 { "Argument", 0, cvs_server_argument, REQ_NEEDED }, 55 { "Argumentx", 0, cvs_server_argumentx, REQ_NEEDED }, 56 { "Global_option", 0, cvs_server_globalopt, REQ_NEEDED }, 57 { "Set", 0, cvs_server_set, REQ_NEEDED }, 58 { "expand-modules", 0, cvs_server_exp_modules, 0 }, 59 60 /* 61 * used to tell the server what is going on in our 62 * working copy, unsupported until we are told otherwise 63 */ 64 { "Max-dotdot", 0, NULL, 0 }, 65 { "Checkin-prog", 0, NULL, 0 }, 66 { "Update-prog", 0, NULL, 0 }, 67 { "Kopt", 0, NULL, 0 }, 68 { "Checkin-time", 0, NULL, 0 }, 69 { "Is-modified", 0, NULL, 0 }, 70 { "Notify", 0, NULL, 0 }, 71 { "Case", 0, NULL, 0 }, 72 { "Gzip-stream", 0, NULL, 0 }, 73 { "wrapper-sendme-rcsOptions", 0, NULL, 0 }, 74 { "Kerberos-encrypt", 0, NULL, 0 }, 75 { "Gssapi-encrypt", 0, NULL, 0 }, 76 { "Gssapi-authenticate", 0, NULL, 0 }, 77 78 /* commands that might be supported */ 79 { "ci", 0, cvs_server_commit, REQ_NEEDDIR }, 80 { "co", 0, cvs_server_checkout, REQ_NEEDDIR }, 81 { "update", 0, cvs_server_update, REQ_NEEDDIR }, 82 { "diff", 0, cvs_server_diff, REQ_NEEDDIR }, 83 { "log", 0, cvs_server_log, REQ_NEEDDIR }, 84 { "rlog", 0, cvs_server_rlog, 0 }, 85 { "add", 0, cvs_server_add, REQ_NEEDDIR }, 86 { "remove", 0, cvs_server_remove, REQ_NEEDDIR }, 87 { "update-patches", 0, cvs_server_update_patches, 0 }, 88 { "gzip-file-contents", 0, NULL, 0 }, 89 { "status", 0, cvs_server_status, REQ_NEEDDIR }, 90 { "rdiff", 0, cvs_server_rdiff, 0 }, 91 { "tag", 0, cvs_server_tag, REQ_NEEDDIR }, 92 { "rtag", 0, cvs_server_rtag, 0 }, 93 { "import", 0, cvs_server_import, REQ_NEEDDIR }, 94 { "admin", 0, cvs_server_admin, REQ_NEEDDIR }, 95 { "export", 0, cvs_server_export, REQ_NEEDDIR }, 96 { "history", 0, NULL, 0 }, 97 { "release", 0, cvs_server_release, REQ_NEEDDIR }, 98 { "watch-on", 0, NULL, 0 }, 99 { "watch-off", 0, NULL, 0 }, 100 { "watch-add", 0, NULL, 0 }, 101 { "watch-remove", 0, NULL, 0 }, 102 { "watchers", 0, NULL, 0 }, 103 { "editors", 0, NULL, 0 }, 104 { "init", 0, cvs_server_init, 0 }, 105 { "annotate", 0, cvs_server_annotate, REQ_NEEDDIR }, 106 { "rannotate", 0, cvs_server_rannotate, 0 }, 107 { "noop", 0, NULL, 0 }, 108 { "version", 0, cvs_server_version, 0 }, 109 { "", -1, NULL, 0 } 110 }; 111 112 static void client_check_directory(char *, char *); 113 static char *client_get_supported_responses(void); 114 static char *lastdir = NULL; 115 static int end_of_response = 0; 116 117 static void cvs_client_initlog(void); 118 119 /* 120 * File descriptors for protocol logging when the CVS_CLIENT_LOG environment 121 * variable is set. 122 */ 123 static int cvs_client_logon = 0; 124 int cvs_client_inlog_fd = -1; 125 int cvs_client_outlog_fd = -1; 126 127 128 int server_response = SERVER_OK; 129 130 static char * 131 client_get_supported_responses(void) 132 { 133 BUF *bp; 134 char *d; 135 int i, first; 136 137 first = 0; 138 bp = cvs_buf_alloc(512); 139 for (i = 0; cvs_responses[i].supported != -1; i++) { 140 if (cvs_responses[i].hdlr == NULL) 141 continue; 142 143 if (first != 0) 144 cvs_buf_putc(bp, ' '); 145 else 146 first++; 147 cvs_buf_puts(bp, cvs_responses[i].name); 148 } 149 150 cvs_buf_putc(bp, '\0'); 151 d = cvs_buf_release(bp); 152 return (d); 153 } 154 155 static void 156 client_check_directory(char *data, char *repository) 157 { 158 CVSENTRIES *entlist; 159 char *entry, *parent, *base, *p; 160 161 STRIP_SLASH(data); 162 163 /* first directory we get is our module root */ 164 if (module_repo_root == NULL && checkout_target_dir != NULL) { 165 p = repository + strlen(current_cvsroot->cr_dir) + 1; 166 module_repo_root = xstrdup(p); 167 p = strrchr(module_repo_root, '/'); 168 if (p != NULL) 169 *p = '\0'; 170 } 171 172 cvs_mkpath(data, NULL); 173 174 if (cvs_cmdop == CVS_OP_EXPORT) 175 return; 176 177 if ((base = basename(data)) == NULL) 178 fatal("client_check_directory: overflow"); 179 180 if ((parent = dirname(data)) == NULL) 181 fatal("client_check_directory: overflow"); 182 183 if (!strcmp(parent, ".")) 184 return; 185 186 entry = xmalloc(CVS_ENT_MAXLINELEN); 187 cvs_ent_line_str(base, NULL, NULL, NULL, NULL, 1, 0, entry, 188 CVS_ENT_MAXLINELEN); 189 190 entlist = cvs_ent_open(parent); 191 cvs_ent_add(entlist, entry); 192 193 xfree(entry); 194 } 195 196 void 197 cvs_client_connect_to_server(void) 198 { 199 struct cvs_var *vp; 200 char *cmd, *argv[9], *resp; 201 int ifd[2], ofd[2], argc; 202 203 if (cvs_server_active == 1) 204 fatal("cvs_client_connect: I was already connected to server"); 205 206 switch (current_cvsroot->cr_method) { 207 case CVS_METHOD_PSERVER: 208 case CVS_METHOD_KSERVER: 209 case CVS_METHOD_GSERVER: 210 case CVS_METHOD_FORK: 211 fatal("the specified connection method is not supported"); 212 default: 213 break; 214 } 215 216 if (pipe(ifd) == -1) 217 fatal("cvs_client_connect: %s", strerror(errno)); 218 if (pipe(ofd) == -1) 219 fatal("cvs_client_connect: %s", strerror(errno)); 220 221 switch (fork()) { 222 case -1: 223 fatal("cvs_client_connect: fork failed: %s", strerror(errno)); 224 case 0: 225 if (dup2(ifd[0], STDIN_FILENO) == -1) 226 fatal("cvs_client_connect: %s", strerror(errno)); 227 if (dup2(ofd[1], STDOUT_FILENO) == -1) 228 fatal("cvs_client_connect: %s", strerror(errno)); 229 230 close(ifd[1]); 231 close(ofd[0]); 232 233 if ((cmd = getenv("CVS_SERVER")) == NULL) 234 cmd = CVS_SERVER_DEFAULT; 235 236 argc = 0; 237 argv[argc++] = cvs_rsh; 238 239 if (current_cvsroot->cr_user != NULL) { 240 argv[argc++] = "-l"; 241 argv[argc++] = current_cvsroot->cr_user; 242 } 243 244 argv[argc++] = current_cvsroot->cr_host; 245 argv[argc++] = cmd; 246 argv[argc++] = "server"; 247 argv[argc] = NULL; 248 249 cvs_log(LP_TRACE, "connecting to server %s", 250 current_cvsroot->cr_host); 251 252 execvp(argv[0], argv); 253 fatal("cvs_client_connect: failed to execute cvs server"); 254 default: 255 break; 256 } 257 258 close(ifd[0]); 259 close(ofd[1]); 260 261 if ((current_cvsroot->cr_srvin = fdopen(ifd[1], "w")) == NULL) 262 fatal("cvs_client_connect: %s", strerror(errno)); 263 if ((current_cvsroot->cr_srvout = fdopen(ofd[0], "r")) == NULL) 264 fatal("cvs_client_connect: %s", strerror(errno)); 265 266 setvbuf(current_cvsroot->cr_srvin, NULL,_IOLBF, 0); 267 setvbuf(current_cvsroot->cr_srvout, NULL, _IOLBF, 0); 268 269 cvs_client_initlog(); 270 271 if (cvs_cmdop != CVS_OP_INIT) 272 cvs_client_send_request("Root %s", current_cvsroot->cr_dir); 273 274 resp = client_get_supported_responses(); 275 cvs_client_send_request("Valid-responses %s", resp); 276 xfree(resp); 277 278 cvs_client_send_request("valid-requests"); 279 cvs_client_get_responses(); 280 281 cvs_client_send_request("UseUnchanged"); 282 283 if (cvs_nolog == 1) 284 cvs_client_send_request("Global_option -l"); 285 286 if (cvs_noexec == 1) 287 cvs_client_send_request("Global_option -n"); 288 289 switch (verbosity) { 290 case 0: 291 cvs_client_send_request("Global_option -Q"); 292 break; 293 case 1: 294 /* Be quiet. This is the default in OpenCVS. */ 295 cvs_client_send_request("Global_option -q"); 296 break; 297 default: 298 break; 299 } 300 301 if (cvs_readonly == 1) 302 cvs_client_send_request("Global_option -r"); 303 304 if (cvs_trace == 1) 305 cvs_client_send_request("Global_option -t"); 306 307 /* XXX: If 'Set' is supported? */ 308 TAILQ_FOREACH(vp, &cvs_variables, cv_link) 309 cvs_client_send_request("Set %s=%s", vp->cv_name, vp->cv_val); 310 } 311 312 void 313 cvs_client_send_request(char *fmt, ...) 314 { 315 int i; 316 va_list ap; 317 char *data, *s; 318 struct cvs_req *req; 319 320 va_start(ap, fmt); 321 i = vasprintf(&data, fmt, ap); 322 va_end(ap); 323 if (i == -1) 324 fatal("cvs_client_send_request: could not allocate memory"); 325 326 if ((s = strchr(data, ' ')) != NULL) 327 *s = '\0'; 328 329 req = cvs_remote_get_request_info(data); 330 if (req == NULL) 331 fatal("'%s' is an unknown request", data); 332 333 if (req->supported != 1) 334 fatal("remote cvs server does not support '%s'", data); 335 336 if (s != NULL) 337 *s = ' '; 338 339 cvs_log(LP_TRACE, "%s", data); 340 341 cvs_remote_output(data); 342 xfree(data); 343 } 344 345 void 346 cvs_client_read_response(void) 347 { 348 char *cmd, *data; 349 struct cvs_resp *resp; 350 351 cmd = cvs_remote_input(); 352 if ((data = strchr(cmd, ' ')) != NULL) 353 (*data++) = '\0'; 354 355 resp = cvs_remote_get_response_info(cmd); 356 if (resp == NULL) 357 fatal("response '%s' is not supported by our client", cmd); 358 359 if (resp->hdlr == NULL) 360 fatal("opencvs client does not support '%s'", cmd); 361 362 (*resp->hdlr)(data); 363 364 xfree(cmd); 365 } 366 367 void 368 cvs_client_get_responses(void) 369 { 370 while (end_of_response != 1) 371 cvs_client_read_response(); 372 373 end_of_response = 0; 374 } 375 376 void 377 cvs_client_send_logmsg(char *msg) 378 { 379 char *buf, *p, *q; 380 381 (void)xasprintf(&buf, "%s\n", msg); 382 383 cvs_client_send_request("Argument -m"); 384 if ((p = strchr(buf, '\n')) != NULL) 385 *p++ = '\0'; 386 cvs_client_send_request("Argument %s", buf); 387 for (q = p; p != NULL; q = p) { 388 if ((p = strchr(q, '\n')) != NULL) { 389 *p++ = '\0'; 390 cvs_client_send_request("Argumentx %s", q); 391 } 392 } 393 394 xfree(buf); 395 } 396 397 void 398 cvs_client_senddir(const char *dir) 399 { 400 struct stat st; 401 int nb; 402 char *d, *date, fpath[MAXPATHLEN], repo[MAXPATHLEN], *tag; 403 404 d = NULL; 405 406 if (lastdir != NULL && !strcmp(dir, lastdir)) 407 return; 408 409 cvs_get_repository_path(dir, repo, MAXPATHLEN); 410 411 if (cvs_cmdop != CVS_OP_RLOG) 412 cvs_client_send_request("Directory %s\n%s", dir, repo); 413 414 (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", 415 dir, CVS_PATH_STATICENTRIES); 416 417 if (stat(fpath, &st) == 0 && (st.st_mode & (S_IRUSR|S_IRGRP|S_IROTH))) 418 cvs_client_send_request("Static-directory"); 419 420 d = xstrdup(dir); 421 cvs_parse_tagfile(d, &tag, &date, &nb); 422 423 if (tag != NULL || date != NULL) { 424 char buf[128]; 425 426 if (tag != NULL && nb != 0) { 427 if (strlcpy(buf, "N", sizeof(buf)) >= sizeof(buf)) 428 fatal("cvs_client_senddir: truncation"); 429 } else if (tag != NULL) { 430 if (strlcpy(buf, "T", sizeof(buf)) >= sizeof(buf)) 431 fatal("cvs_client_senddir: truncation"); 432 } else { 433 if (strlcpy(buf, "D", sizeof(buf)) >= sizeof(buf)) 434 fatal("cvs_client_senddir: truncation"); 435 } 436 437 if (strlcat(buf, tag ? tag : date, sizeof(buf)) >= sizeof(buf)) 438 fatal("cvs_client_senddir: truncation"); 439 440 cvs_client_send_request("Sticky %s", buf); 441 442 if (tag != NULL) 443 xfree(tag); 444 if (date != NULL) 445 xfree(date); 446 } 447 if (d != NULL) 448 xfree(d); 449 450 if (lastdir != NULL) 451 xfree(lastdir); 452 lastdir = xstrdup(dir); 453 } 454 455 void 456 cvs_client_sendfile(struct cvs_file *cf) 457 { 458 size_t len; 459 struct tm datetm; 460 char rev[CVS_REV_BUFSZ], timebuf[CVS_TIME_BUFSZ], sticky[CVS_REV_BUFSZ]; 461 462 if (cf->file_type != CVS_FILE) 463 return; 464 465 cvs_client_senddir(cf->file_wd); 466 cvs_remote_classify_file(cf); 467 468 if (cf->file_type == CVS_DIR) 469 return; 470 471 if (cf->file_ent != NULL && cvs_cmdop != CVS_OP_IMPORT) { 472 if (cf->file_status == FILE_ADDED) { 473 len = strlcpy(rev, "0", sizeof(rev)); 474 if (len >= sizeof(rev)) 475 fatal("cvs_client_sendfile: truncation"); 476 477 len = strlcpy(timebuf, "Initial ", sizeof(timebuf)); 478 if (len >= sizeof(timebuf)) 479 fatal("cvs_client_sendfile: truncation"); 480 481 len = strlcat(timebuf, cf->file_name, sizeof(timebuf)); 482 if (len >= sizeof(timebuf)) 483 fatal("cvs_client_sendfile: truncation"); 484 } else { 485 rcsnum_tostr(cf->file_ent->ce_rev, rev, sizeof(rev)); 486 ctime_r(&cf->file_ent->ce_mtime, timebuf); 487 } 488 489 if (cf->file_ent->ce_conflict == NULL) { 490 timebuf[strcspn(timebuf, "\n")] = '\0'; 491 } else { 492 len = strlcpy(timebuf, cf->file_ent->ce_conflict, 493 sizeof(timebuf)); 494 if (len >= sizeof(timebuf)) 495 fatal("cvs_client_sendfile: truncation"); 496 len = strlcat(timebuf, "+=", sizeof(timebuf)); 497 if (len >= sizeof(timebuf)) 498 fatal("cvs_client_sendfile: truncation"); 499 } 500 501 sticky[0] = '\0'; 502 if (cf->file_ent->ce_tag != NULL) { 503 (void)xsnprintf(sticky, sizeof(sticky), "T%s", 504 cf->file_ent->ce_tag); 505 } else if (cf->file_ent->ce_date != -1) { 506 gmtime_r(&(cf->file_ent->ce_date), &datetm); 507 (void)strftime(sticky, sizeof(sticky), 508 "D"CVS_DATE_FMT, &datetm); 509 } 510 511 cvs_client_send_request("Entry /%s/%s%s/%s/%s/%s", 512 cf->file_name, (cf->file_status == FILE_REMOVED) ? "-" : "", 513 rev, timebuf, cf->file_ent->ce_opts ? 514 cf->file_ent->ce_opts : "", sticky); 515 } 516 517 if (cvs_cmdop == CVS_OP_ADD) 518 cf->file_status = FILE_MODIFIED; 519 520 switch (cf->file_status) { 521 case FILE_UNKNOWN: 522 if (cf->file_flags & FILE_ON_DISK) 523 cvs_client_send_request("Questionable %s", 524 cf->file_name); 525 break; 526 case FILE_ADDED: 527 case FILE_MODIFIED: 528 cvs_client_send_request("Modified %s", cf->file_name); 529 cvs_remote_send_file(cf->file_path, cf->fd); 530 break; 531 case FILE_UPTODATE: 532 cvs_client_send_request("Unchanged %s", cf->file_name); 533 break; 534 } 535 } 536 537 void 538 cvs_client_send_files(char **argv, int argc) 539 { 540 int i; 541 542 for (i = 0; i < argc; i++) 543 cvs_client_send_request("Argument %s", argv[i]); 544 } 545 546 void 547 cvs_client_ok(char *data) 548 { 549 end_of_response = 1; 550 server_response = SERVER_OK; 551 } 552 553 void 554 cvs_client_error(char *data) 555 { 556 end_of_response = 1; 557 server_response = SERVER_ERROR; 558 } 559 560 void 561 cvs_client_validreq(char *data) 562 { 563 int i; 564 char *sp, *ep; 565 struct cvs_req *req; 566 567 if ((sp = data) == NULL) 568 fatal("Missing argument for Valid-requests"); 569 570 do { 571 if ((ep = strchr(sp, ' ')) != NULL) 572 *ep = '\0'; 573 574 req = cvs_remote_get_request_info(sp); 575 if (req != NULL) 576 req->supported = 1; 577 578 if (ep != NULL) 579 sp = ep + 1; 580 } while (ep != NULL); 581 582 for (i = 0; cvs_requests[i].supported != -1; i++) { 583 req = &cvs_requests[i]; 584 if ((req->flags & REQ_NEEDED) && 585 req->supported != 1) { 586 fatal("server does not support required '%s'", 587 req->name); 588 } 589 } 590 } 591 592 void 593 cvs_client_e(char *data) 594 { 595 if (data == NULL) 596 fatal("Missing argument for E"); 597 598 fprintf(stderr, "%s\n", data); 599 } 600 601 void 602 cvs_client_m(char *data) 603 { 604 if (data == NULL) 605 fatal("Missing argument for M"); 606 607 puts(data); 608 } 609 610 void 611 cvs_client_checkedin(char *data) 612 { 613 CVSENTRIES *entlist; 614 struct cvs_ent *ent, *newent; 615 size_t len; 616 struct tm datetm; 617 char *dir, *e, *entry, rev[CVS_REV_BUFSZ]; 618 char sticky[CVS_ENT_MAXLINELEN], timebuf[CVS_TIME_BUFSZ]; 619 620 if (data == NULL) 621 fatal("Missing argument for Checked-in"); 622 623 dir = cvs_remote_input(); 624 e = cvs_remote_input(); 625 xfree(dir); 626 627 entlist = cvs_ent_open(data); 628 newent = cvs_ent_parse(e); 629 ent = cvs_ent_get(entlist, newent->ce_name); 630 xfree(e); 631 632 rcsnum_tostr(newent->ce_rev, rev, sizeof(rev)); 633 634 sticky[0] = '\0'; 635 if (ent == NULL) { 636 len = strlcpy(rev, "0", sizeof(rev)); 637 if (len >= sizeof(rev)) 638 fatal("cvs_client_sendfile: truncation"); 639 640 len = strlcpy(timebuf, "Initial ", sizeof(timebuf)); 641 if (len >= sizeof(timebuf)) 642 fatal("cvs_client_sendfile: truncation"); 643 644 len = strlcat(timebuf, newent->ce_name, sizeof(timebuf)); 645 if (len >= sizeof(timebuf)) 646 fatal("cvs_client_sendfile: truncation"); 647 } else { 648 gmtime_r(&ent->ce_mtime, &datetm); 649 asctime_r(&datetm, timebuf); 650 timebuf[strcspn(timebuf, "\n")] = '\0'; 651 652 if (newent->ce_tag != NULL) { 653 (void)xsnprintf(sticky, sizeof(sticky), "T%s", 654 newent->ce_tag); 655 } else if (newent->ce_date != -1) { 656 gmtime_r(&(newent->ce_date), &datetm); 657 (void)strftime(sticky, sizeof(sticky), 658 "D"CVS_DATE_FMT, &datetm); 659 } 660 661 cvs_ent_free(ent); 662 } 663 664 entry = xmalloc(CVS_ENT_MAXLINELEN); 665 cvs_ent_line_str(newent->ce_name, rev, timebuf, 666 newent->ce_opts ? newent->ce_opts : "", sticky, 0, 667 newent->ce_status == CVS_ENT_REMOVED ? 1 : 0, 668 entry, CVS_ENT_MAXLINELEN); 669 670 cvs_ent_free(newent); 671 cvs_ent_add(entlist, entry); 672 673 xfree(entry); 674 } 675 676 void 677 cvs_client_updated(char *data) 678 { 679 int fd; 680 time_t now; 681 mode_t fmode; 682 size_t flen; 683 CVSENTRIES *ent; 684 struct cvs_ent *e; 685 const char *errstr; 686 struct tm datetm; 687 struct timeval tv[2]; 688 char repo[MAXPATHLEN], *entry; 689 char timebuf[CVS_TIME_BUFSZ], revbuf[CVS_REV_BUFSZ]; 690 char *en, *mode, *len, *rpath, *p; 691 char sticky[CVS_ENT_MAXLINELEN], fpath[MAXPATHLEN]; 692 693 if (data == NULL) 694 fatal("Missing argument for Updated"); 695 696 rpath = cvs_remote_input(); 697 en = cvs_remote_input(); 698 mode = cvs_remote_input(); 699 len = cvs_remote_input(); 700 701 client_check_directory(data, rpath); 702 cvs_get_repository_path(".", repo, MAXPATHLEN); 703 704 STRIP_SLASH(repo); 705 706 if (strlen(repo) + 1 > strlen(rpath)) 707 fatal("received a repository path that is too short"); 708 709 p = strrchr(rpath, '/'); 710 if (p == NULL) 711 fatal("malicious repository path from server"); 712 713 (void)xsnprintf(fpath, sizeof(fpath), "%s/%s", data, p); 714 715 flen = strtonum(len, 0, INT_MAX, &errstr); 716 if (errstr != NULL) 717 fatal("cvs_client_updated: %s: %s", len, errstr); 718 xfree(len); 719 720 cvs_strtomode(mode, &fmode); 721 xfree(mode); 722 fmode &= ~cvs_umask; 723 724 time(&now); 725 gmtime_r(&now, &datetm); 726 asctime_r(&datetm, timebuf); 727 timebuf[strcspn(timebuf, "\n")] = '\0'; 728 729 e = cvs_ent_parse(en); 730 xfree(en); 731 732 sticky[0] = '\0'; 733 if (e->ce_tag != NULL) { 734 (void)xsnprintf(sticky, sizeof(sticky), "T%s", e->ce_tag); 735 } else if (e->ce_date != -1) { 736 gmtime_r(&(e->ce_date), &datetm); 737 (void)strftime(sticky, sizeof(sticky), 738 "D"CVS_DATE_FMT, &datetm); 739 } 740 741 rcsnum_tostr(e->ce_rev, revbuf, sizeof(revbuf)); 742 743 entry = xmalloc(CVS_ENT_MAXLINELEN); 744 cvs_ent_line_str(e->ce_name, revbuf, timebuf, 745 e->ce_opts ? e->ce_opts : "", sticky, 0, 0, 746 entry, CVS_ENT_MAXLINELEN); 747 748 cvs_ent_free(e); 749 750 if (cvs_cmdop != CVS_OP_EXPORT) { 751 ent = cvs_ent_open(data); 752 cvs_ent_add(ent, entry); 753 } 754 755 xfree(entry); 756 757 (void)unlink(fpath); 758 if ((fd = open(fpath, O_CREAT | O_WRONLY | O_TRUNC)) == -1) 759 fatal("cvs_client_updated: open: %s: %s", 760 fpath, strerror(errno)); 761 762 cvs_remote_receive_file(fd, flen); 763 764 tv[0].tv_sec = now; 765 tv[0].tv_usec = 0; 766 tv[1] = tv[0]; 767 768 if (futimes(fd, tv) == -1) 769 fatal("cvs_client_updated: futimes: %s", strerror(errno)); 770 771 if (fchmod(fd, fmode) == -1) 772 fatal("cvs_client_updated: fchmod: %s", strerror(errno)); 773 774 (void)close(fd); 775 776 xfree(rpath); 777 } 778 779 void 780 cvs_client_merged(char *data) 781 { 782 int fd; 783 time_t now; 784 mode_t fmode; 785 size_t flen; 786 CVSENTRIES *ent; 787 const char *errstr; 788 struct timeval tv[2]; 789 struct tm datetm; 790 char timebuf[CVS_TIME_BUFSZ], *repo, *rpath, *entry, *mode; 791 char *len, *fpath, *wdir; 792 793 if (data == NULL) 794 fatal("Missing argument for Merged"); 795 796 rpath = cvs_remote_input(); 797 entry = cvs_remote_input(); 798 mode = cvs_remote_input(); 799 len = cvs_remote_input(); 800 801 client_check_directory(data, rpath); 802 803 repo = xmalloc(MAXPATHLEN); 804 cvs_get_repository_path(".", repo, MAXPATHLEN); 805 806 STRIP_SLASH(repo); 807 808 if (strlen(repo) + 1 > strlen(rpath)) 809 fatal("received a repository path that is too short"); 810 811 fpath = rpath + strlen(repo) + 1; 812 if ((wdir = dirname(fpath)) == NULL) 813 fatal("cvs_client_merged: dirname: %s", strerror(errno)); 814 xfree(repo); 815 816 flen = strtonum(len, 0, INT_MAX, &errstr); 817 if (errstr != NULL) 818 fatal("cvs_client_merged: %s: %s", len, errstr); 819 xfree(len); 820 821 cvs_strtomode(mode, &fmode); 822 xfree(mode); 823 fmode &= ~cvs_umask; 824 825 time(&now); 826 gmtime_r(&now, &datetm); 827 asctime_r(&datetm, timebuf); 828 timebuf[strcspn(timebuf, "\n")] = '\0'; 829 830 ent = cvs_ent_open(wdir); 831 cvs_ent_add(ent, entry); 832 xfree(entry); 833 834 (void)unlink(fpath); 835 if ((fd = open(fpath, O_CREAT | O_WRONLY | O_TRUNC)) == -1) 836 fatal("cvs_client_merged: open: %s: %s", 837 fpath, strerror(errno)); 838 839 cvs_remote_receive_file(fd, flen); 840 841 tv[0].tv_sec = now; 842 tv[0].tv_usec = 0; 843 tv[1] = tv[0]; 844 845 if (futimes(fd, tv) == -1) 846 fatal("cvs_client_merged: futimes: %s", strerror(errno)); 847 848 if (fchmod(fd, fmode) == -1) 849 fatal("cvs_client_merged: fchmod: %s", strerror(errno)); 850 851 (void)close(fd); 852 853 xfree(rpath); 854 } 855 856 void 857 cvs_client_removed(char *data) 858 { 859 CVSENTRIES *entlist; 860 char *rpath, *filename, fpath[MAXPATHLEN]; 861 862 if (data == NULL) 863 fatal("Missing argument for Removed"); 864 865 rpath = cvs_remote_input(); 866 if ((filename = strrchr(rpath, '/')) == NULL) 867 fatal("bad rpath in cvs_client_removed: %s", rpath); 868 filename++; 869 870 entlist = cvs_ent_open(data); 871 cvs_ent_remove(entlist, filename); 872 873 (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", data, filename); 874 (void)unlink(fpath); 875 876 xfree(rpath); 877 } 878 879 void 880 cvs_client_remove_entry(char *data) 881 { 882 CVSENTRIES *entlist; 883 char *filename, *rpath; 884 885 if (data == NULL) 886 fatal("Missing argument for Remove-entry"); 887 888 rpath = cvs_remote_input(); 889 if ((filename = strrchr(rpath, '/')) == NULL) 890 fatal("bad rpath in cvs_client_remove_entry: %s", rpath); 891 filename++; 892 893 entlist = cvs_ent_open(data); 894 cvs_ent_remove(entlist, filename); 895 896 xfree(rpath); 897 } 898 899 void 900 cvs_client_set_static_directory(char *data) 901 { 902 FILE *fp; 903 char *dir, fpath[MAXPATHLEN]; 904 905 if (data == NULL) 906 fatal("Missing argument for Set-static-directory"); 907 908 STRIP_SLASH(data); 909 910 dir = cvs_remote_input(); 911 xfree(dir); 912 913 if (cvs_cmdop == CVS_OP_EXPORT) 914 return; 915 916 (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", 917 data, CVS_PATH_STATICENTRIES); 918 919 if ((fp = fopen(fpath, "w+")) == NULL) { 920 cvs_log(LP_ERRNO, "%s", fpath); 921 return; 922 } 923 (void)fclose(fp); 924 } 925 926 void 927 cvs_client_clear_static_directory(char *data) 928 { 929 char *dir, fpath[MAXPATHLEN]; 930 931 if (data == NULL) 932 fatal("Missing argument for Clear-static-directory"); 933 934 STRIP_SLASH(data); 935 936 dir = cvs_remote_input(); 937 xfree(dir); 938 939 if (cvs_cmdop == CVS_OP_EXPORT) 940 return; 941 942 (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", 943 data, CVS_PATH_STATICENTRIES); 944 945 (void)cvs_unlink(fpath); 946 } 947 948 void 949 cvs_client_set_sticky(char *data) 950 { 951 FILE *fp; 952 char *dir, *tag, tagpath[MAXPATHLEN]; 953 954 if (data == NULL) 955 fatal("Missing argument for Set-sticky"); 956 957 STRIP_SLASH(data); 958 959 dir = cvs_remote_input(); 960 tag = cvs_remote_input(); 961 962 if (cvs_cmdop == CVS_OP_EXPORT) 963 goto out; 964 965 client_check_directory(data, dir); 966 967 (void)xsnprintf(tagpath, MAXPATHLEN, "%s/%s", data, CVS_PATH_TAG); 968 969 if ((fp = fopen(tagpath, "w+")) == NULL) { 970 cvs_log(LP_ERRNO, "%s", tagpath); 971 goto out; 972 } 973 974 (void)fprintf(fp, "%s\n", tag); 975 (void)fclose(fp); 976 out: 977 xfree(tag); 978 xfree(dir); 979 } 980 981 void 982 cvs_client_clear_sticky(char *data) 983 { 984 char *dir, tagpath[MAXPATHLEN]; 985 986 if (data == NULL) 987 fatal("Missing argument for Clear-sticky"); 988 989 STRIP_SLASH(data); 990 991 dir = cvs_remote_input(); 992 993 if (cvs_cmdop == CVS_OP_EXPORT) { 994 xfree(dir); 995 return; 996 } 997 998 client_check_directory(data, dir); 999 1000 (void)xsnprintf(tagpath, MAXPATHLEN, "%s/%s", data, CVS_PATH_TAG); 1001 (void)unlink(tagpath); 1002 1003 xfree(dir); 1004 } 1005 1006 1007 /* 1008 * cvs_client_initlog() 1009 * 1010 * Initialize protocol logging if the CVS_CLIENT_LOG environment variable is 1011 * set. In this case, the variable's value is used as a path to which the 1012 * appropriate suffix is added (".in" for client input and ".out" for server 1013 * output). 1014 */ 1015 static void 1016 cvs_client_initlog(void) 1017 { 1018 u_int i; 1019 char *env, *envdup, buf[MAXPATHLEN], fpath[MAXPATHLEN]; 1020 char rpath[MAXPATHLEN], timebuf[CVS_TIME_BUFSZ], *s; 1021 struct stat st; 1022 time_t now; 1023 struct passwd *pwd; 1024 1025 /* avoid doing it more than once */ 1026 if (cvs_client_logon) 1027 return; 1028 1029 if ((env = getenv("CVS_CLIENT_LOG")) == NULL) 1030 return; 1031 1032 envdup = xstrdup(env); 1033 if ((s = strchr(envdup, '%')) != NULL) 1034 *s = '\0'; 1035 1036 if (strlcpy(buf, env, sizeof(buf)) >= sizeof(buf)) 1037 fatal("cvs_client_initlog: truncation"); 1038 1039 if (strlcpy(rpath, envdup, sizeof(rpath)) >= sizeof(rpath)) 1040 fatal("cvs_client_initlog: truncation"); 1041 1042 xfree(envdup); 1043 1044 s = buf; 1045 while ((s = strchr(s, '%')) != NULL) { 1046 s++; 1047 switch (*s) { 1048 case 'c': 1049 if (strlcpy(fpath, cmdp->cmd_name, sizeof(fpath)) >= 1050 sizeof(fpath)) 1051 fatal("cvs_client_initlog: truncation"); 1052 break; 1053 case 'd': 1054 time(&now); 1055 ctime_r(&now, timebuf); 1056 timebuf[strcspn(timebuf, "\n")] = '\0'; 1057 if (strlcpy(fpath, timebuf, sizeof(fpath)) >= 1058 sizeof(fpath)) 1059 fatal("cvs_client_initlog: truncation"); 1060 break; 1061 case 'p': 1062 (void)xsnprintf(fpath, sizeof(fpath), "%d", getpid()); 1063 break; 1064 case 'u': 1065 if ((pwd = getpwuid(getuid())) != NULL) { 1066 if (strlcpy(fpath, pwd->pw_name, 1067 sizeof(fpath)) >= sizeof(fpath)) 1068 fatal("cvs_client_initlog: truncation"); 1069 } else { 1070 fpath[0] = '\0'; 1071 } 1072 endpwent(); 1073 break; 1074 default: 1075 fpath[0] = '\0'; 1076 break; 1077 } 1078 1079 if (fpath[0] != '\0') { 1080 if (strlcat(rpath, "-", sizeof(rpath)) >= sizeof(rpath)) 1081 fatal("cvs_client_initlog: truncation"); 1082 1083 if (strlcat(rpath, fpath, sizeof(rpath)) 1084 >= sizeof(rpath)) 1085 fatal("cvs_client_initlog: truncation"); 1086 } 1087 } 1088 1089 for (i = 0; i < UINT_MAX; i++) { 1090 (void)xsnprintf(fpath, sizeof(fpath), "%s-%d.in", rpath, i); 1091 1092 if (stat(fpath, &st) != -1) 1093 continue; 1094 1095 if (errno != ENOENT) 1096 fatal("cvs_client_initlog() stat failed '%s'", 1097 strerror(errno)); 1098 1099 break; 1100 } 1101 1102 if ((cvs_client_inlog_fd = open(fpath, 1103 O_RDWR | O_CREAT | O_TRUNC, 0644)) == -1) { 1104 fatal("cvs_client_initlog: open `%s': %s", 1105 fpath, strerror(errno)); 1106 } 1107 1108 for (i = 0; i < UINT_MAX; i++) { 1109 (void)xsnprintf(fpath, sizeof(fpath), "%s-%d.out", rpath, i); 1110 1111 if (stat(fpath, &st) != -1) 1112 continue; 1113 1114 if (errno != ENOENT) 1115 fatal("cvs_client_initlog() stat failed '%s'", 1116 strerror(errno)); 1117 1118 break; 1119 } 1120 1121 if ((cvs_client_outlog_fd = open(fpath, 1122 O_RDWR | O_CREAT | O_TRUNC, 0644)) == -1) { 1123 fatal("cvs_client_initlog: open `%s': %s", 1124 fpath, strerror(errno)); 1125 } 1126 1127 cvs_client_logon = 1; 1128 } 1129