1 /* 2 * Copyright (c) 2019-2020 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 6 * 7 * This code uses concepts and configuration based on 'synth', by 8 * John R. Marino <draco@marino.st>, which was written in ada. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 3. Neither the name of The DragonFly Project nor the names of its 21 * contributors may be used to endorse or promote products derived 22 * from this software without specific, prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 27 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 28 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 29 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 30 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 31 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 32 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 34 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 #include "dsynth.h" 38 #include <openssl/md5.h> 39 40 typedef struct pinfo { 41 struct pinfo *next; 42 char *spath; 43 int foundit; 44 int inlocks; 45 } pinfo_t; 46 47 static void removePackagesMetaRecurse(pkg_t *pkg); 48 static int pinfocmp(const void *s1, const void *s2); 49 static void scanit(const char *path, const char *subpath, 50 int *countp, pinfo_t ***list_tailp, 51 int inlocks); 52 pinfo_t *pinfofind(pinfo_t **ary, int count, char *spath); 53 static void childRebuildRepo(bulk_t *bulk); 54 static void scandeletenew(const char *path); 55 56 static void rebuildTerminateSignal(int signo); 57 static char *md5lkfile(char *rpath, int which); 58 static int lkdircount(char *buf); 59 60 static char *RebuildRemovePath; 61 62 void 63 DoRebuildRepo(int ask) 64 { 65 bulk_t *bulk; 66 FILE *fp; 67 int fd; 68 char tpath[256]; 69 const char *sufx; 70 71 if (ask) { 72 if (askyn("Rebuild the repository? ") == 0) 73 return; 74 } 75 76 /* 77 * Scan the repository for temporary .new files and delete them. 78 */ 79 scandeletenew(RepositoryPath); 80 81 /* 82 * Generate temporary file 83 */ 84 snprintf(tpath, sizeof(tpath), "/tmp/meta.XXXXXXXX.conf"); 85 86 signal(SIGTERM, rebuildTerminateSignal); 87 signal(SIGINT, rebuildTerminateSignal); 88 signal(SIGHUP, rebuildTerminateSignal); 89 90 RebuildRemovePath = tpath; 91 92 sufx = UsePkgSufx; 93 fd = mkostemps(tpath, 5, 0); 94 if (fd < 0) 95 dfatal_errno("Cannot create %s", tpath); 96 fp = fdopen(fd, "w"); 97 fprintf(fp, "version = %d;\n", MetaVersion); 98 fprintf(fp, "packing_format = \"%s\";\n", sufx + 1); 99 fclose(fp); 100 101 /* 102 * Run the operation under our bulk infrastructure to 103 * get the correct environment. 104 */ 105 initbulk(childRebuildRepo, 1); 106 queuebulk(tpath, NULL, NULL, NULL); 107 bulk = getbulk(); 108 109 if (bulk->r1) 110 printf("Rebuild succeeded\n"); 111 else 112 printf("Rebuild failed\n"); 113 donebulk(); 114 115 remove(tpath); 116 } 117 118 static void 119 repackage(const char *basepath, const char *basefile, 120 const char *decomp_suffix, const char *comp_suffix, 121 const char *decomp, const char *comp); 122 123 static void 124 childRebuildRepo(bulk_t *bulk) 125 { 126 FILE *fp; 127 char *ptr; 128 size_t len; 129 pid_t pid; 130 const char *cav[MAXCAC]; 131 char *pkg_path; 132 int cac; 133 int repackage_mode = 0; 134 135 /* 136 * We have to use the pkg-static that we built as part of the 137 * build process to rebuild the repo because the system pkg might 138 * not be compatible with the repo format changes made in 1.17. 139 */ 140 asprintf(&pkg_path, "%s/Template/usr/local/sbin/pkg-static", BuildBase); 141 142 cac = 0; 143 cav[cac++] = pkg_path; 144 cav[cac++] = "repo"; 145 cav[cac++] = "-m"; 146 cav[cac++] = bulk->s1; 147 cav[cac++] = "-o"; 148 cav[cac++] = PackagesPath; 149 150 /* 151 * The yaml needs to generate paths relative to PackagePath 152 */ 153 if (strncmp(PackagesPath, RepositoryPath, strlen(PackagesPath)) == 0) 154 cav[cac++] = PackagesPath; 155 else 156 cav[cac++] = RepositoryPath; 157 158 printf("pkg repo -m %s -o %s %s\n", bulk->s1, cav[cac-2], cav[cac-1]); 159 160 fp = dexec_open(NULL, cav, cac, &pid, NULL, 1, 0); 161 while ((ptr = fgetln(fp, &len)) != NULL) 162 fwrite(ptr, 1, len, stdout); 163 if (dexec_close(fp, pid) == 0) 164 bulk->r1 = strdup(""); 165 166 /* 167 * Check package version. Pkg version 1.12 and later generates 168 * the proper repo compression format. Prior to that version 169 * the repo directive always generated .txz files. 170 */ 171 cac = 0; 172 cav[cac++] = pkg_path; 173 cav[cac++] = "-v"; 174 fp = dexec_open(NULL, cav, cac, &pid, NULL, 1, 0); 175 if ((ptr = fgetln(fp, &len)) != NULL && len > 0) { 176 int v1; 177 int v2; 178 179 ptr[len-1] = 0; 180 if (sscanf(ptr, "%d.%d", &v1, &v2) == 2) { 181 printf("pkg repo - pkg version: %d.%d\n", v1, v2); 182 if (v1 > 1 || (v1 == 1 && v2 >= 12)) 183 repackage_mode = 1; 184 } 185 } 186 dexec_close(fp, pid); 187 188 /* 189 * Repackage the .txz files created by pkg repo if necessary 190 */ 191 if (repackage_mode == 0 && strcmp(UsePkgSufx, ".txz") != 0) { 192 const char *comp; 193 const char *decomp; 194 195 printf("pkg repo - recompressing digests and packagesite\n"); 196 197 if (strcmp(UsePkgSufx, ".tar") == 0) { 198 decomp = "unxz"; 199 comp = "cat"; 200 } else if (strcmp(UsePkgSufx, ".tgz") == 0) { 201 decomp = "unxz"; 202 comp = "gzip"; 203 } else if (strcmp(UsePkgSufx, ".tbz") == 0) { 204 decomp = "unxz"; 205 comp = "bzip"; 206 } else if (strcmp(UsePkgSufx, ".tzst") == 0) { 207 decomp = "unxz"; 208 comp = "zstd"; 209 } else { 210 dfatal("recompressing as %s not supported", 211 UsePkgSufx); 212 decomp = "unxz"; 213 comp = "cat"; 214 } 215 repackage(PackagesPath, "digests", 216 ".txz", UsePkgSufx, 217 decomp, comp); 218 repackage(PackagesPath, "packagesite", 219 ".txz", UsePkgSufx, 220 decomp, comp); 221 } else if (repackage_mode == 1 && strcmp(UsePkgSufx, ".txz") != 0) { 222 const char *comp; 223 const char *decomp; 224 225 printf("pkg repo - recompressing meta\n"); 226 227 if (strcmp(UsePkgSufx, ".tar") == 0) { 228 decomp = "cat"; 229 comp = "xz"; 230 } else if (strcmp(UsePkgSufx, ".tgz") == 0) { 231 decomp = "gunzip"; 232 comp = "xz"; 233 } else if (strcmp(UsePkgSufx, ".tbz") == 0) { 234 decomp = "bunzip2"; 235 comp = "xz"; 236 } else if (strcmp(UsePkgSufx, ".tzst") == 0) { 237 decomp = "unzstd"; 238 comp = "xz"; 239 } else { 240 dfatal("recompressing from %s not supported", 241 UsePkgSufx); 242 decomp = "cat"; 243 comp = "cat"; 244 } 245 repackage(PackagesPath, "meta", 246 UsePkgSufx, ".txz", 247 decomp, comp); 248 } 249 free (pkg_path); 250 } 251 252 static 253 void 254 repackage(const char *basepath, const char *basefile, 255 const char *decomp_suffix, const char *comp_suffix, 256 const char *decomp, const char *comp) 257 { 258 char *buf; 259 260 asprintf(&buf, "%s < %s/%s%s | %s > %s/%s%s", 261 decomp, basepath, basefile, decomp_suffix, 262 comp, basepath, basefile, comp_suffix); 263 if (system(buf) != 0) { 264 dfatal("command failed: %s", buf); 265 } 266 free(buf); 267 } 268 269 void 270 DoUpgradePkgs(pkg_t *pkgs __unused, int ask __unused) 271 { 272 } 273 274 void 275 PurgeDistfiles(pkg_t *pkgs) 276 { 277 pinfo_t *list; 278 pinfo_t *item; 279 pinfo_t **list_tail; 280 pinfo_t **ary; 281 char *dstr; 282 char *buf; 283 int count; 284 int delcount; 285 int i; 286 287 printf("Scanning distfiles... "); 288 fflush(stdout); 289 count = 0; 290 list = NULL; 291 list_tail = &list; 292 scanit(DistFilesPath, NULL, &count, &list_tail, 0); 293 printf("Checking %d distfiles\n", count); 294 fflush(stdout); 295 296 ary = calloc(count, sizeof(pinfo_t *)); 297 for (i = 0; i < count; ++i) { 298 ary[i] = list; 299 list = list->next; 300 } 301 ddassert(list == NULL); 302 qsort(ary, count, sizeof(pinfo_t *), pinfocmp); 303 304 for (; pkgs; pkgs = pkgs->bnext) { 305 if (pkgs->distfiles == NULL || pkgs->distfiles[0] == 0) 306 continue; 307 ddprintf(0, "distfiles %s\n", pkgs->distfiles); 308 dstr = strtok(pkgs->distfiles, " \t"); 309 while (dstr) { 310 for (;;) { 311 /* 312 * Look for distfile 313 */ 314 if (pkgs->distsubdir) { 315 asprintf(&buf, "%s/%s", 316 pkgs->distsubdir, dstr); 317 } else { 318 buf = dstr; 319 } 320 item = pinfofind(ary, count, buf); 321 if (item) 322 item->foundit = 1; 323 if (item && item->inlocks == 0) { 324 /* 325 * Look for the lock file 326 */ 327 int scount; 328 329 scount = lkdircount(buf); 330 331 for (i = 0; i <= scount; ++i) { 332 item = pinfofind(ary, count, 333 md5lkfile(buf, i)); 334 if (item) 335 item->foundit = 1; 336 } 337 } 338 339 /* 340 * Cleanup and iterate 341 */ 342 if (buf != dstr) { 343 free(buf); 344 buf = NULL; 345 } 346 if (strrchr(dstr, ':') == NULL) 347 break; 348 *strrchr(dstr, ':') = 0; 349 } 350 dstr = strtok(NULL, " \t"); 351 } 352 } 353 354 delcount = 0; 355 for (i = 0; i < count; ++i) { 356 item = ary[i]; 357 if (item->foundit == 0) { 358 ++delcount; 359 } 360 } 361 if (delcount == 0) { 362 printf("No obsolete source files out of %d found\n", count); 363 } else if (askyn("Delete %d of %d items? ", delcount, count)) { 364 printf("Deleting %d/%d obsolete source distfiles\n", 365 delcount, count); 366 for (i = 0; i < count; ++i) { 367 item = ary[i]; 368 if (item->foundit == 0) { 369 asprintf(&buf, "%s/%s", 370 DistFilesPath, item->spath); 371 if (remove(buf) < 0) 372 printf("Cannot delete %s\n", buf); 373 else 374 printf("Deleted %s\n", item->spath); 375 free(buf); 376 } 377 } 378 } 379 380 381 free(ary); 382 } 383 384 void 385 RemovePackages(pkg_t *list) 386 { 387 pkg_t *scan; 388 char *path; 389 390 for (scan = list; scan; scan = scan->bnext) { 391 if ((scan->flags & PKGF_MANUALSEL) == 0) 392 continue; 393 if (scan->pkgfile) { 394 scan->flags &= ~PKGF_PACKAGED; 395 scan->pkgfile_size = 0; 396 asprintf(&path, "%s/%s", RepositoryPath, scan->pkgfile); 397 if (remove(path) == 0) 398 printf("Removed: %s\n", path); 399 free(path); 400 } 401 if (scan->pkgfile == NULL || 402 (scan->flags & (PKGF_DUMMY | PKGF_META))) { 403 removePackagesMetaRecurse(scan); 404 } 405 } 406 } 407 408 static void 409 removePackagesMetaRecurse(pkg_t *pkg) 410 { 411 pkglink_t *link; 412 pkg_t *scan; 413 char *path; 414 415 PKGLIST_FOREACH(link, &pkg->idepon_list) { 416 scan = link->pkg; 417 if (scan == NULL) 418 continue; 419 if (scan->pkgfile == NULL || 420 (scan->flags & (PKGF_DUMMY | PKGF_META))) { 421 removePackagesMetaRecurse(scan); 422 continue; 423 } 424 scan->flags &= ~PKGF_PACKAGED; 425 scan->pkgfile_size = 0; 426 427 asprintf(&path, "%s/%s", RepositoryPath, scan->pkgfile); 428 if (remove(path) == 0) 429 printf("Removed: %s\n", path); 430 free(path); 431 } 432 } 433 434 static int 435 pinfocmp(const void *s1, const void *s2) 436 { 437 const pinfo_t *item1 = *(const pinfo_t *const*)s1; 438 const pinfo_t *item2 = *(const pinfo_t *const*)s2; 439 440 return (strcmp(item1->spath, item2->spath)); 441 } 442 443 pinfo_t * 444 pinfofind(pinfo_t **ary, int count, char *spath) 445 { 446 pinfo_t *item; 447 int res; 448 int b; 449 int e; 450 int m; 451 452 b = 0; 453 e = count; 454 while (b != e) { 455 m = b + (e - b) / 2; 456 item = ary[m]; 457 res = strcmp(spath, item->spath); 458 if (res == 0) 459 return item; 460 if (res < 0) { 461 e = m; 462 } else { 463 b = m + 1; 464 } 465 } 466 return NULL; 467 } 468 469 void 470 scanit(const char *path, const char *subpath, 471 int *countp, pinfo_t ***list_tailp, 472 int inlocks) 473 { 474 struct dirent *den; 475 pinfo_t *item; 476 char *npath; 477 char *spath; 478 DIR *dir; 479 struct stat st; 480 481 if ((dir = opendir(path)) != NULL) { 482 while ((den = readdir(dir)) != NULL) { 483 if (den->d_namlen == 1 && den->d_name[0] == '.') 484 continue; 485 if (den->d_namlen == 2 && den->d_name[0] == '.' && 486 den->d_name[1] == '.') 487 continue; 488 asprintf(&npath, "%s/%s", path, den->d_name); 489 if (lstat(npath, &st) < 0) { 490 free(npath); 491 continue; 492 } 493 if (S_ISDIR(st.st_mode)) { 494 int sublocks; 495 496 sublocks = 497 (strcmp(den->d_name, ".locks") == 0); 498 499 if (subpath) { 500 asprintf(&spath, "%s/%s", 501 subpath, den->d_name); 502 scanit(npath, spath, countp, 503 list_tailp, sublocks); 504 free(spath); 505 } else { 506 scanit(npath, den->d_name, countp, 507 list_tailp, sublocks); 508 } 509 } else if (S_ISREG(st.st_mode)) { 510 item = calloc(1, sizeof(*item)); 511 if (subpath) { 512 asprintf(&item->spath, "%s/%s", 513 subpath, den->d_name); 514 } else { 515 item->spath = strdup(den->d_name); 516 } 517 item->inlocks = inlocks; 518 519 **list_tailp = item; 520 *list_tailp = &item->next; 521 ++*countp; 522 ddprintf(0, "scan %s\n", item->spath); 523 } 524 free(npath); 525 } 526 closedir(dir); 527 } 528 } 529 530 /* 531 * This removes any .new files left over in the repo. These can wind 532 * being left around when dsynth is killed. 533 */ 534 static void 535 scandeletenew(const char *path) 536 { 537 struct dirent *den; 538 const char *ptr; 539 DIR *dir; 540 char *buf; 541 542 if ((dir = opendir(path)) == NULL) 543 dfatal_errno("Cannot scan directory %s", path); 544 while ((den = readdir(dir)) != NULL) { 545 if ((ptr = strrchr(den->d_name, '.')) != NULL && 546 strcmp(ptr, ".new") == 0) { 547 asprintf(&buf, "%s/%s", path, den->d_name); 548 if (remove(buf) < 0) 549 dfatal_errno("remove: Garbage %s\n", buf); 550 printf("Deleted Garbage %s\n", buf); 551 free(buf); 552 } 553 } 554 closedir(dir); 555 } 556 557 static void 558 rebuildTerminateSignal(int signo __unused) 559 { 560 if (RebuildRemovePath) 561 remove(RebuildRemovePath); 562 exit(1); 563 564 } 565 566 /* 567 * There will be a .locks sub-directory in /usr/distfiles and also 568 * in each sub-directory underneath it containing the MD5 sums for 569 * the files in that subdirectory. 570 * 571 * This is a bit of a mess. Sometimes the .locks/ for a subdirectory 572 * are in parentdir/.locks and not parentdir/subdir/.locks. The invocation 573 * of do-fetch can be a bit messy so we look for a .locks subdir everywhere. 574 * 575 * The /usr/dports/Mk/Scripts/do-fetch.sh script uses 'echo blah | md5', 576 * so we have to add a newline to the buffer being md5'd. 577 * 578 * The pass-in rpath is relative to the distfiles base. 579 */ 580 static char * 581 md5lkfile(char *rpath, int which_slash) 582 { 583 static char mstr[128]; 584 static char lkfile[128]; 585 uint8_t digest[MD5_DIGEST_LENGTH]; 586 int bplen; 587 int i; 588 589 bplen = 0; 590 for (i = 0; i < which_slash; ++i) { 591 while (rpath[bplen] && rpath[bplen] != '/') 592 ++bplen; 593 if (rpath[bplen]) 594 ++bplen; 595 } 596 snprintf(mstr, sizeof(mstr), "%s\n", rpath + bplen); 597 MD5(mstr, strlen(mstr), digest); 598 599 snprintf(lkfile, sizeof(lkfile), 600 "%*.*s.locks/" 601 "%02x%02x%02x%02x%02x%02x%02x%02x" 602 "%02x%02x%02x%02x%02x%02x%02x%02x" 603 ".lk", 604 bplen, bplen, rpath, 605 digest[0], digest[1], digest[2], digest[3], 606 digest[4], digest[5], digest[6], digest[7], 607 digest[8], digest[9], digest[10], digest[11], 608 digest[12], digest[13], digest[14], digest[15]); 609 610 return lkfile; 611 } 612 613 static int 614 lkdircount(char *buf) 615 { 616 int i; 617 int n; 618 619 n = 0; 620 for (i = 0; buf[i]; ++i) { 621 if (buf[i] == '/') 622 ++n; 623 } 624 return n; 625 } 626