1 /* $OpenBSD: client.c,v 1.123 2010/09/29 18:14:52 nicm 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 = 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 buf_putc(bp, ' '); 145 else 146 first++; 147 buf_puts(bp, cvs_responses[i].name); 148 } 149 150 buf_putc(bp, '\0'); 151 d = 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 if (backup_local_changes) /* for update -C */ 528 cvs_backup_file(cf); 529 530 cvs_client_send_request("Modified %s", cf->file_name); 531 cvs_remote_send_file(cf->file_path, cf->fd); 532 break; 533 case FILE_MODIFIED: 534 if (backup_local_changes) { /* for update -C */ 535 cvs_backup_file(cf); 536 cvs_client_send_request("Entry /%s/%s%s/%s/%s/%s", 537 cf->file_name, "", rev, timebuf, 538 cf->file_ent->ce_opts ? cf->file_ent->ce_opts : "", 539 sticky); 540 break; 541 } 542 543 cvs_client_send_request("Modified %s", cf->file_name); 544 cvs_remote_send_file(cf->file_path, cf->fd); 545 break; 546 case FILE_UPTODATE: 547 cvs_client_send_request("Unchanged %s", cf->file_name); 548 break; 549 } 550 } 551 552 void 553 cvs_client_send_files(char **argv, int argc) 554 { 555 int i; 556 557 for (i = 0; i < argc; i++) 558 cvs_client_send_request("Argument %s", argv[i]); 559 } 560 561 void 562 cvs_client_ok(char *data) 563 { 564 end_of_response = 1; 565 server_response = SERVER_OK; 566 } 567 568 void 569 cvs_client_error(char *data) 570 { 571 end_of_response = 1; 572 server_response = SERVER_ERROR; 573 } 574 575 void 576 cvs_client_validreq(char *data) 577 { 578 int i; 579 char *sp, *ep; 580 struct cvs_req *req; 581 582 if ((sp = data) == NULL) 583 fatal("Missing argument for Valid-requests"); 584 585 do { 586 if ((ep = strchr(sp, ' ')) != NULL) 587 *ep = '\0'; 588 589 req = cvs_remote_get_request_info(sp); 590 if (req != NULL) 591 req->supported = 1; 592 593 if (ep != NULL) 594 sp = ep + 1; 595 } while (ep != NULL); 596 597 for (i = 0; cvs_requests[i].supported != -1; i++) { 598 req = &cvs_requests[i]; 599 if ((req->flags & REQ_NEEDED) && 600 req->supported != 1) { 601 fatal("server does not support required '%s'", 602 req->name); 603 } 604 } 605 } 606 607 void 608 cvs_client_e(char *data) 609 { 610 if (data == NULL) 611 fatal("Missing argument for E"); 612 613 fprintf(stderr, "%s\n", data); 614 } 615 616 void 617 cvs_client_m(char *data) 618 { 619 if (data == NULL) 620 fatal("Missing argument for M"); 621 622 puts(data); 623 } 624 625 void 626 cvs_client_checkedin(char *data) 627 { 628 CVSENTRIES *entlist; 629 struct cvs_ent *ent, *newent; 630 size_t len; 631 struct tm datetm; 632 char *dir, *e, *entry, rev[CVS_REV_BUFSZ]; 633 char sticky[CVS_ENT_MAXLINELEN], timebuf[CVS_TIME_BUFSZ]; 634 635 if (data == NULL) 636 fatal("Missing argument for Checked-in"); 637 638 dir = cvs_remote_input(); 639 e = cvs_remote_input(); 640 xfree(dir); 641 642 entlist = cvs_ent_open(data); 643 newent = cvs_ent_parse(e); 644 ent = cvs_ent_get(entlist, newent->ce_name); 645 xfree(e); 646 647 rcsnum_tostr(newent->ce_rev, rev, sizeof(rev)); 648 649 sticky[0] = '\0'; 650 if (ent == NULL) { 651 len = strlcpy(rev, "0", sizeof(rev)); 652 if (len >= sizeof(rev)) 653 fatal("cvs_client_sendfile: truncation"); 654 655 len = strlcpy(timebuf, "Initial ", sizeof(timebuf)); 656 if (len >= sizeof(timebuf)) 657 fatal("cvs_client_sendfile: truncation"); 658 659 len = strlcat(timebuf, newent->ce_name, sizeof(timebuf)); 660 if (len >= sizeof(timebuf)) 661 fatal("cvs_client_sendfile: truncation"); 662 } else { 663 gmtime_r(&ent->ce_mtime, &datetm); 664 asctime_r(&datetm, timebuf); 665 timebuf[strcspn(timebuf, "\n")] = '\0'; 666 667 if (newent->ce_tag != NULL) { 668 (void)xsnprintf(sticky, sizeof(sticky), "T%s", 669 newent->ce_tag); 670 } else if (newent->ce_date != -1) { 671 gmtime_r(&(newent->ce_date), &datetm); 672 (void)strftime(sticky, sizeof(sticky), 673 "D"CVS_DATE_FMT, &datetm); 674 } 675 676 cvs_ent_free(ent); 677 } 678 679 entry = xmalloc(CVS_ENT_MAXLINELEN); 680 cvs_ent_line_str(newent->ce_name, rev, timebuf, 681 newent->ce_opts ? newent->ce_opts : "", sticky, 0, 682 newent->ce_status == CVS_ENT_REMOVED ? 1 : 0, 683 entry, CVS_ENT_MAXLINELEN); 684 685 cvs_ent_free(newent); 686 cvs_ent_add(entlist, entry); 687 688 xfree(entry); 689 } 690 691 void 692 cvs_client_updated(char *data) 693 { 694 int fd; 695 time_t now; 696 mode_t fmode; 697 size_t flen; 698 CVSENTRIES *ent; 699 struct cvs_ent *e; 700 const char *errstr; 701 struct tm datetm; 702 struct timeval tv[2]; 703 char repo[MAXPATHLEN], *entry; 704 char timebuf[CVS_TIME_BUFSZ], revbuf[CVS_REV_BUFSZ]; 705 char *en, *mode, *len, *rpath, *p; 706 char sticky[CVS_ENT_MAXLINELEN], fpath[MAXPATHLEN]; 707 708 if (data == NULL) 709 fatal("Missing argument for Updated"); 710 711 rpath = cvs_remote_input(); 712 en = cvs_remote_input(); 713 mode = cvs_remote_input(); 714 len = cvs_remote_input(); 715 716 client_check_directory(data, rpath); 717 cvs_get_repository_path(".", repo, MAXPATHLEN); 718 719 STRIP_SLASH(repo); 720 721 if (strlen(repo) + 1 > strlen(rpath)) 722 fatal("received a repository path that is too short"); 723 724 p = strrchr(rpath, '/'); 725 if (p == NULL) 726 fatal("malicious repository path from server"); 727 728 (void)xsnprintf(fpath, sizeof(fpath), "%s/%s", data, p); 729 730 flen = strtonum(len, 0, INT_MAX, &errstr); 731 if (errstr != NULL) 732 fatal("cvs_client_updated: %s: %s", len, errstr); 733 xfree(len); 734 735 cvs_strtomode(mode, &fmode); 736 xfree(mode); 737 fmode &= ~cvs_umask; 738 739 time(&now); 740 gmtime_r(&now, &datetm); 741 asctime_r(&datetm, timebuf); 742 timebuf[strcspn(timebuf, "\n")] = '\0'; 743 744 e = cvs_ent_parse(en); 745 xfree(en); 746 747 sticky[0] = '\0'; 748 if (e->ce_tag != NULL) { 749 (void)xsnprintf(sticky, sizeof(sticky), "T%s", e->ce_tag); 750 } else if (e->ce_date != -1) { 751 gmtime_r(&(e->ce_date), &datetm); 752 (void)strftime(sticky, sizeof(sticky), 753 "D"CVS_DATE_FMT, &datetm); 754 } 755 756 rcsnum_tostr(e->ce_rev, revbuf, sizeof(revbuf)); 757 758 entry = xmalloc(CVS_ENT_MAXLINELEN); 759 cvs_ent_line_str(e->ce_name, revbuf, timebuf, 760 e->ce_opts ? e->ce_opts : "", sticky, 0, 0, 761 entry, CVS_ENT_MAXLINELEN); 762 763 cvs_ent_free(e); 764 765 if (cvs_cmdop != CVS_OP_EXPORT) { 766 ent = cvs_ent_open(data); 767 cvs_ent_add(ent, entry); 768 } 769 770 xfree(entry); 771 772 (void)unlink(fpath); 773 if ((fd = open(fpath, O_CREAT | O_WRONLY | O_TRUNC)) == -1) 774 fatal("cvs_client_updated: open: %s: %s", 775 fpath, strerror(errno)); 776 777 cvs_remote_receive_file(fd, flen); 778 779 tv[0].tv_sec = now; 780 tv[0].tv_usec = 0; 781 tv[1] = tv[0]; 782 783 if (futimes(fd, tv) == -1) 784 fatal("cvs_client_updated: futimes: %s", strerror(errno)); 785 786 if (fchmod(fd, fmode) == -1) 787 fatal("cvs_client_updated: fchmod: %s", strerror(errno)); 788 789 (void)close(fd); 790 791 xfree(rpath); 792 } 793 794 void 795 cvs_client_merged(char *data) 796 { 797 int fd; 798 time_t now; 799 mode_t fmode; 800 size_t flen; 801 CVSENTRIES *ent; 802 const char *errstr; 803 struct timeval tv[2]; 804 struct tm datetm; 805 char timebuf[CVS_TIME_BUFSZ], *repo, *rpath, *entry, *mode; 806 char *len, *fpath, *wdir; 807 808 if (data == NULL) 809 fatal("Missing argument for Merged"); 810 811 rpath = cvs_remote_input(); 812 entry = cvs_remote_input(); 813 mode = cvs_remote_input(); 814 len = cvs_remote_input(); 815 816 client_check_directory(data, rpath); 817 818 repo = xmalloc(MAXPATHLEN); 819 cvs_get_repository_path(".", repo, MAXPATHLEN); 820 821 STRIP_SLASH(repo); 822 823 if (strlen(repo) + 1 > strlen(rpath)) 824 fatal("received a repository path that is too short"); 825 826 fpath = rpath + strlen(repo) + 1; 827 if ((wdir = dirname(fpath)) == NULL) 828 fatal("cvs_client_merged: dirname: %s", strerror(errno)); 829 xfree(repo); 830 831 flen = strtonum(len, 0, INT_MAX, &errstr); 832 if (errstr != NULL) 833 fatal("cvs_client_merged: %s: %s", len, errstr); 834 xfree(len); 835 836 cvs_strtomode(mode, &fmode); 837 xfree(mode); 838 fmode &= ~cvs_umask; 839 840 time(&now); 841 gmtime_r(&now, &datetm); 842 asctime_r(&datetm, timebuf); 843 timebuf[strcspn(timebuf, "\n")] = '\0'; 844 845 ent = cvs_ent_open(wdir); 846 cvs_ent_add(ent, entry); 847 xfree(entry); 848 849 (void)unlink(fpath); 850 if ((fd = open(fpath, O_CREAT | O_WRONLY | O_TRUNC)) == -1) 851 fatal("cvs_client_merged: open: %s: %s", 852 fpath, strerror(errno)); 853 854 cvs_remote_receive_file(fd, flen); 855 856 tv[0].tv_sec = now; 857 tv[0].tv_usec = 0; 858 tv[1] = tv[0]; 859 860 if (futimes(fd, tv) == -1) 861 fatal("cvs_client_merged: futimes: %s", strerror(errno)); 862 863 if (fchmod(fd, fmode) == -1) 864 fatal("cvs_client_merged: fchmod: %s", strerror(errno)); 865 866 (void)close(fd); 867 868 xfree(rpath); 869 } 870 871 void 872 cvs_client_removed(char *data) 873 { 874 CVSENTRIES *entlist; 875 char *rpath, *filename, fpath[MAXPATHLEN]; 876 877 if (data == NULL) 878 fatal("Missing argument for Removed"); 879 880 rpath = cvs_remote_input(); 881 if ((filename = strrchr(rpath, '/')) == NULL) 882 fatal("bad rpath in cvs_client_removed: %s", rpath); 883 filename++; 884 885 entlist = cvs_ent_open(data); 886 cvs_ent_remove(entlist, filename); 887 888 (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", data, filename); 889 (void)unlink(fpath); 890 891 xfree(rpath); 892 } 893 894 void 895 cvs_client_remove_entry(char *data) 896 { 897 CVSENTRIES *entlist; 898 char *filename, *rpath; 899 900 if (data == NULL) 901 fatal("Missing argument for Remove-entry"); 902 903 rpath = cvs_remote_input(); 904 if ((filename = strrchr(rpath, '/')) == NULL) 905 fatal("bad rpath in cvs_client_remove_entry: %s", rpath); 906 filename++; 907 908 entlist = cvs_ent_open(data); 909 cvs_ent_remove(entlist, filename); 910 911 xfree(rpath); 912 } 913 914 void 915 cvs_client_set_static_directory(char *data) 916 { 917 FILE *fp; 918 char *dir, fpath[MAXPATHLEN]; 919 920 if (data == NULL) 921 fatal("Missing argument for Set-static-directory"); 922 923 STRIP_SLASH(data); 924 925 dir = cvs_remote_input(); 926 xfree(dir); 927 928 if (cvs_cmdop == CVS_OP_EXPORT) 929 return; 930 931 (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", 932 data, CVS_PATH_STATICENTRIES); 933 934 if ((fp = fopen(fpath, "w+")) == NULL) { 935 cvs_log(LP_ERRNO, "%s", fpath); 936 return; 937 } 938 (void)fclose(fp); 939 } 940 941 void 942 cvs_client_clear_static_directory(char *data) 943 { 944 char *dir, fpath[MAXPATHLEN]; 945 946 if (data == NULL) 947 fatal("Missing argument for Clear-static-directory"); 948 949 STRIP_SLASH(data); 950 951 dir = cvs_remote_input(); 952 xfree(dir); 953 954 if (cvs_cmdop == CVS_OP_EXPORT) 955 return; 956 957 (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", 958 data, CVS_PATH_STATICENTRIES); 959 960 (void)cvs_unlink(fpath); 961 } 962 963 void 964 cvs_client_set_sticky(char *data) 965 { 966 FILE *fp; 967 char *dir, *tag, tagpath[MAXPATHLEN]; 968 969 if (data == NULL) 970 fatal("Missing argument for Set-sticky"); 971 972 STRIP_SLASH(data); 973 974 dir = cvs_remote_input(); 975 tag = cvs_remote_input(); 976 977 if (cvs_cmdop == CVS_OP_EXPORT) 978 goto out; 979 980 client_check_directory(data, dir); 981 982 (void)xsnprintf(tagpath, MAXPATHLEN, "%s/%s", data, CVS_PATH_TAG); 983 984 if ((fp = fopen(tagpath, "w+")) == NULL) { 985 cvs_log(LP_ERRNO, "%s", tagpath); 986 goto out; 987 } 988 989 (void)fprintf(fp, "%s\n", tag); 990 (void)fclose(fp); 991 out: 992 xfree(tag); 993 xfree(dir); 994 } 995 996 void 997 cvs_client_clear_sticky(char *data) 998 { 999 char *dir, tagpath[MAXPATHLEN]; 1000 1001 if (data == NULL) 1002 fatal("Missing argument for Clear-sticky"); 1003 1004 STRIP_SLASH(data); 1005 1006 dir = cvs_remote_input(); 1007 1008 if (cvs_cmdop == CVS_OP_EXPORT) { 1009 xfree(dir); 1010 return; 1011 } 1012 1013 client_check_directory(data, dir); 1014 1015 (void)xsnprintf(tagpath, MAXPATHLEN, "%s/%s", data, CVS_PATH_TAG); 1016 (void)unlink(tagpath); 1017 1018 xfree(dir); 1019 } 1020 1021 1022 /* 1023 * cvs_client_initlog() 1024 * 1025 * Initialize protocol logging if the CVS_CLIENT_LOG environment variable is 1026 * set. In this case, the variable's value is used as a path to which the 1027 * appropriate suffix is added (".in" for client input and ".out" for server 1028 * output). 1029 */ 1030 static void 1031 cvs_client_initlog(void) 1032 { 1033 u_int i; 1034 char *env, *envdup, buf[MAXPATHLEN], fpath[MAXPATHLEN]; 1035 char rpath[MAXPATHLEN], timebuf[CVS_TIME_BUFSZ], *s; 1036 struct stat st; 1037 time_t now; 1038 struct passwd *pwd; 1039 1040 /* avoid doing it more than once */ 1041 if (cvs_client_logon) 1042 return; 1043 1044 if ((env = getenv("CVS_CLIENT_LOG")) == NULL) 1045 return; 1046 1047 envdup = xstrdup(env); 1048 if ((s = strchr(envdup, '%')) != NULL) 1049 *s = '\0'; 1050 1051 if (strlcpy(buf, env, sizeof(buf)) >= sizeof(buf)) 1052 fatal("cvs_client_initlog: truncation"); 1053 1054 if (strlcpy(rpath, envdup, sizeof(rpath)) >= sizeof(rpath)) 1055 fatal("cvs_client_initlog: truncation"); 1056 1057 xfree(envdup); 1058 1059 s = buf; 1060 while ((s = strchr(s, '%')) != NULL) { 1061 s++; 1062 switch (*s) { 1063 case 'c': 1064 if (strlcpy(fpath, cmdp->cmd_name, sizeof(fpath)) >= 1065 sizeof(fpath)) 1066 fatal("cvs_client_initlog: truncation"); 1067 break; 1068 case 'd': 1069 time(&now); 1070 ctime_r(&now, timebuf); 1071 timebuf[strcspn(timebuf, "\n")] = '\0'; 1072 if (strlcpy(fpath, timebuf, sizeof(fpath)) >= 1073 sizeof(fpath)) 1074 fatal("cvs_client_initlog: truncation"); 1075 break; 1076 case 'p': 1077 (void)xsnprintf(fpath, sizeof(fpath), "%d", getpid()); 1078 break; 1079 case 'u': 1080 if ((pwd = getpwuid(getuid())) != NULL) { 1081 if (strlcpy(fpath, pwd->pw_name, 1082 sizeof(fpath)) >= sizeof(fpath)) 1083 fatal("cvs_client_initlog: truncation"); 1084 } else { 1085 fpath[0] = '\0'; 1086 } 1087 endpwent(); 1088 break; 1089 default: 1090 fpath[0] = '\0'; 1091 break; 1092 } 1093 1094 if (fpath[0] != '\0') { 1095 if (strlcat(rpath, "-", sizeof(rpath)) >= sizeof(rpath)) 1096 fatal("cvs_client_initlog: truncation"); 1097 1098 if (strlcat(rpath, fpath, sizeof(rpath)) 1099 >= sizeof(rpath)) 1100 fatal("cvs_client_initlog: truncation"); 1101 } 1102 } 1103 1104 for (i = 0; i < UINT_MAX; i++) { 1105 (void)xsnprintf(fpath, sizeof(fpath), "%s-%d.in", rpath, i); 1106 1107 if (stat(fpath, &st) != -1) 1108 continue; 1109 1110 if (errno != ENOENT) 1111 fatal("cvs_client_initlog() stat failed '%s'", 1112 strerror(errno)); 1113 1114 break; 1115 } 1116 1117 if ((cvs_client_inlog_fd = open(fpath, 1118 O_RDWR | O_CREAT | O_TRUNC, 0644)) == -1) { 1119 fatal("cvs_client_initlog: open `%s': %s", 1120 fpath, strerror(errno)); 1121 } 1122 1123 for (i = 0; i < UINT_MAX; i++) { 1124 (void)xsnprintf(fpath, sizeof(fpath), "%s-%d.out", rpath, i); 1125 1126 if (stat(fpath, &st) != -1) 1127 continue; 1128 1129 if (errno != ENOENT) 1130 fatal("cvs_client_initlog() stat failed '%s'", 1131 strerror(errno)); 1132 1133 break; 1134 } 1135 1136 if ((cvs_client_outlog_fd = open(fpath, 1137 O_RDWR | O_CREAT | O_TRUNC, 0644)) == -1) { 1138 fatal("cvs_client_initlog: open `%s': %s", 1139 fpath, strerror(errno)); 1140 } 1141 1142 cvs_client_logon = 1; 1143 } 1144