perform.c revision 131280
1/* 2 * FreeBSD install - a package for the installation and maintainance 3 * of non-core utilities. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * Jordan K. Hubbard 15 * 23 Aug 1993 16 * 17 * This is the main body of the info module. 18 * 19 */ 20 21#include <sys/cdefs.h> 22__FBSDID("$FreeBSD: head/usr.sbin/pkg_install/info/perform.c 131280 2004-06-29 18:59:19Z eik $"); 23 24#include "lib.h" 25#include "info.h" 26#include <err.h> 27#include <signal.h> 28 29static int pkg_do(char *); 30static int find_pkg(struct which_head *); 31static int cmp_path(const char *, const char *, const char *); 32static char *abspath(const char *); 33static int find_pkgs_by_origin(const char *); 34static int matched_packages(char **pkgs); 35 36int 37pkg_perform(char **pkgs) 38{ 39 char **matched; 40 int err_cnt = 0; 41 int i, errcode; 42 43 signal(SIGINT, cleanup); 44 45 /* Overriding action? */ 46 if (Flags & SHOW_PKGNAME) { 47 return matched_packages(pkgs); 48 } else if (CheckPkg) { 49 return isinstalledpkg(CheckPkg) > 0 ? 0 : 1; 50 /* Not reached */ 51 } else if (!TAILQ_EMPTY(whead)) { 52 return find_pkg(whead); 53 } else if (LookUpOrigin != NULL) { 54 return find_pkgs_by_origin(LookUpOrigin); 55 } 56 57 if (MatchType != MATCH_EXACT) { 58 matched = matchinstalled(MatchType, pkgs, &errcode); 59 if (errcode != 0) 60 return 1; 61 /* Not reached */ 62 63 if (matched != NULL) 64 pkgs = matched; 65 else switch (MatchType) { 66 case MATCH_GLOB: 67 break; 68 case MATCH_ALL: 69 warnx("no packages installed"); 70 return 0; 71 /* Not reached */ 72 case MATCH_REGEX: 73 case MATCH_EREGEX: 74 warnx("no packages match pattern(s)"); 75 return 1; 76 /* Not reached */ 77 default: 78 break; 79 } 80 } 81 82 for (i = 0; pkgs[i]; i++) 83 err_cnt += pkg_do(pkgs[i]); 84 85 return err_cnt; 86} 87 88static char *Home; 89 90static int 91pkg_do(char *pkg) 92{ 93 Boolean installed = FALSE, isTMP = FALSE; 94 char log_dir[FILENAME_MAX]; 95 char fname[FILENAME_MAX]; 96 Package plist; 97 FILE *fp; 98 struct stat sb; 99 char *cp = NULL; 100 int code = 0; 101 102 if (isURL(pkg)) { 103 if ((cp = fileGetURL(NULL, pkg)) != NULL) { 104 strcpy(fname, cp); 105 isTMP = TRUE; 106 } 107 } 108 else if (fexists(pkg) && isfile(pkg)) { 109 int len; 110 111 if (*pkg != '/') { 112 if (!getcwd(fname, FILENAME_MAX)) 113 upchuck("getcwd"); 114 len = strlen(fname); 115 snprintf(&fname[len], FILENAME_MAX - len, "/%s", pkg); 116 } 117 else 118 strcpy(fname, pkg); 119 cp = fname; 120 } 121 else { 122 if ((cp = fileFindByPath(NULL, pkg)) != NULL) 123 strncpy(fname, cp, FILENAME_MAX); 124 } 125 if (cp) { 126 /* 127 * Apply a crude heuristic to see how much space the package will 128 * take up once it's unpacked. I've noticed that most packages 129 * compress an average of 75%, but we're only unpacking the + files so 130 * be very optimistic. 131 */ 132 if (stat(fname, &sb) == FAIL) { 133 warnx("can't stat package file '%s'", fname); 134 code = 1; 135 goto bail; 136 } 137 Home = make_playpen(PlayPen, sb.st_size / 2); 138 if (unpack(fname, "'+*'")) { 139 warnx("error during unpacking, no info for '%s' available", pkg); 140 code = 1; 141 goto bail; 142 } 143 } 144 /* It's not an uninstalled package, try and find it among the installed */ 145 else { 146 int isinstalled = isinstalledpkg(pkg); 147 if (isinstalled < 0) { 148 warnx("the package info for package '%s' is corrupt", pkg); 149 return 1; 150 } else if (isinstalled == 0) { 151 warnx("can't find package '%s' installed or in a file!", pkg); 152 return 1; 153 } 154 sprintf(log_dir, "%s/%s", LOG_DIR, pkg); 155 if (chdir(log_dir) == FAIL) { 156 warnx("can't change directory to '%s'!", log_dir); 157 return 1; 158 } 159 installed = TRUE; 160 } 161 162 /* Suck in the contents list */ 163 plist.head = plist.tail = NULL; 164 fp = fopen(CONTENTS_FNAME, "r"); 165 if (!fp) { 166 warnx("unable to open %s file", CONTENTS_FNAME); 167 code = 1; 168 goto bail; 169 } 170 /* If we have a prefix, add it now */ 171 read_plist(&plist, fp); 172 fclose(fp); 173 174 /* 175 * Index is special info type that has to override all others to make 176 * any sense. 177 */ 178 if (Flags & SHOW_INDEX) { 179 char tmp[FILENAME_MAX]; 180 181 snprintf(tmp, FILENAME_MAX, "%-19s ", pkg); 182 show_index(tmp, COMMENT_FNAME); 183 } 184 else { 185 /* Start showing the package contents */ 186 if (!Quiet) 187 printf("%sInformation for %s:\n\n", InfoPrefix, pkg); 188 else if (QUIET) 189 printf("%s%s:", InfoPrefix, pkg); 190 if (Flags & SHOW_COMMENT) 191 show_file("Comment:\n", COMMENT_FNAME); 192 if (Flags & SHOW_DEPEND) 193 show_plist("Depends on:\n", &plist, PLIST_PKGDEP, FALSE); 194 if ((Flags & SHOW_REQBY) && !isemptyfile(REQUIRED_BY_FNAME)) 195 show_file("Required by:\n", REQUIRED_BY_FNAME); 196 if (Flags & SHOW_DESC) 197 show_file("Description:\n", DESC_FNAME); 198 if ((Flags & SHOW_DISPLAY) && fexists(DISPLAY_FNAME)) 199 show_file("Install notice:\n", DISPLAY_FNAME); 200 if (Flags & SHOW_PLIST) 201 show_plist("Packing list:\n", &plist, (plist_t)0, TRUE); 202 if (Flags & SHOW_REQUIRE && fexists(REQUIRE_FNAME)) 203 show_file("Requirements script:\n", REQUIRE_FNAME); 204 if ((Flags & SHOW_INSTALL) && fexists(INSTALL_FNAME)) 205 show_file("Install script:\n", INSTALL_FNAME); 206 if ((Flags & SHOW_INSTALL) && fexists(POST_INSTALL_FNAME)) 207 show_file("Post-Install script:\n", POST_INSTALL_FNAME); 208 if ((Flags & SHOW_DEINSTALL) && fexists(DEINSTALL_FNAME)) 209 show_file("De-Install script:\n", DEINSTALL_FNAME); 210 if ((Flags & SHOW_DEINSTALL) && fexists(POST_DEINSTALL_FNAME)) 211 show_file("Post-DeInstall script:\n", POST_DEINSTALL_FNAME); 212 if ((Flags & SHOW_MTREE) && fexists(MTREE_FNAME)) 213 show_file("mtree file:\n", MTREE_FNAME); 214 if (Flags & SHOW_PREFIX) 215 show_plist("Prefix(s):\n", &plist, PLIST_CWD, FALSE); 216 if (Flags & SHOW_FILES) 217 show_files("Files:\n", &plist); 218 if ((Flags & SHOW_SIZE) && installed) 219 show_size("Package Size:\n", &plist); 220 if ((Flags & SHOW_CKSUM) && installed) 221 show_cksum("Mismatched Checksums:\n", &plist); 222 if (Flags & SHOW_ORIGIN) 223 show_origin("Origin:\n", &plist); 224 if (Flags & SHOW_FMTREV) 225 show_fmtrev("Packing list format revision:\n", &plist); 226 if (!Quiet) 227 puts(InfoPrefix); 228 } 229 free_plist(&plist); 230 bail: 231 leave_playpen(); 232 if (isTMP) 233 unlink(fname); 234 return code; 235} 236 237void 238cleanup(int sig) 239{ 240 static int in_cleanup = 0; 241 242 if (!in_cleanup) { 243 in_cleanup = 1; 244 leave_playpen(); 245 } 246 if (sig) 247 exit(1); 248} 249 250/* 251 * Return an absolute path, additionally removing all .'s, ..'s, and extraneous 252 * /'s, as realpath() would, but without resolving symlinks, because that can 253 * potentially screw up our comparisons later. 254 */ 255static char * 256abspath(const char *pathname) 257{ 258 char *tmp, *tmp1, *resolved_path; 259 char *cwd = NULL; 260 int len; 261 262 if (pathname[0] != '/') { 263 cwd = getcwd(NULL, MAXPATHLEN); 264 asprintf(&resolved_path, "%s/%s/", cwd, pathname); 265 } else 266 asprintf(&resolved_path, "%s/", pathname); 267 268 if (resolved_path == NULL) 269 errx(2, NULL); 270 271 if (cwd != NULL) 272 free(cwd); 273 274 while ((tmp = strstr(resolved_path, "//")) != NULL) 275 strcpy(tmp, tmp + 1); 276 277 while ((tmp = strstr(resolved_path, "/./")) != NULL) 278 strcpy(tmp, tmp + 2); 279 280 while ((tmp = strstr(resolved_path, "/../")) != NULL) { 281 *tmp = '\0'; 282 if ((tmp1 = strrchr(resolved_path, '/')) == NULL) 283 tmp1 = resolved_path; 284 strcpy(tmp1, tmp + 3); 285 } 286 287 len = strlen(resolved_path); 288 if (len > 1 && resolved_path[len - 1] == '/') 289 resolved_path[len - 1] = '\0'; 290 291 return resolved_path; 292} 293 294/* 295 * Comparison to see if the path we're on matches the 296 * one we are looking for. 297 */ 298static int 299cmp_path(const char *target, const char *current, const char *cwd) 300{ 301 char *resolved, *temp; 302 int rval; 303 304 asprintf(&temp, "%s/%s", cwd, current); 305 if (temp == NULL) 306 errx(2, NULL); 307 308 /* 309 * Make sure there's no multiple /'s or other weird things in the PLIST, 310 * since some plists seem to have them and it could screw up our strncmp. 311 */ 312 resolved = abspath(temp); 313 314 if (strcmp(target, resolved) == 0) 315 rval = 1; 316 else 317 rval = 0; 318 319 free(temp); 320 free(resolved); 321 return rval; 322} 323 324/* 325 * Look through package dbs in LOG_DIR and find which 326 * packages installed the files in which_list. 327 */ 328static int 329find_pkg(struct which_head *which_list) 330{ 331 char **installed; 332 int errcode, i; 333 struct which_entry *wp; 334 335 TAILQ_FOREACH(wp, which_list, next) { 336 const char *msg = "file cannot be found"; 337 char *tmp; 338 339 wp->skip = TRUE; 340 /* If it's not a file, we'll see if it's an executable. */ 341 if (isfile(wp->file) == FALSE) { 342 if (strchr(wp->file, '/') == NULL) { 343 tmp = vpipe("/usr/bin/which %s", wp->file); 344 if (tmp != NULL) { 345 strlcpy(wp->file, tmp, PATH_MAX); 346 wp->skip = FALSE; 347 free(tmp); 348 } else 349 msg = "file is not in PATH"; 350 } 351 } else { 352 tmp = abspath(wp->file); 353 if (isfile(tmp)) { 354 strlcpy(wp->file, tmp, PATH_MAX); 355 wp->skip = FALSE; 356 } 357 free(tmp); 358 } 359 if (wp->skip == TRUE) 360 warnx("%s: %s", wp->file, msg); 361 } 362 363 installed = matchinstalled(MATCH_ALL, NULL, &errcode); 364 if (installed == NULL) 365 return errcode; 366 367 for (i = 0; installed[i] != NULL; i++) { 368 FILE *fp; 369 Package pkg; 370 PackingList itr; 371 char *cwd = NULL; 372 char tmp[PATH_MAX]; 373 374 snprintf(tmp, PATH_MAX, "%s/%s/%s", LOG_DIR, installed[i], 375 CONTENTS_FNAME); 376 fp = fopen(tmp, "r"); 377 if (fp == NULL) { 378 warn("%s", tmp); 379 return 1; 380 } 381 382 pkg.head = pkg.tail = NULL; 383 read_plist(&pkg, fp); 384 fclose(fp); 385 for (itr = pkg.head; itr != pkg.tail; itr = itr->next) { 386 if (itr->type == PLIST_CWD) { 387 cwd = itr->name; 388 } else if (itr->type == PLIST_FILE) { 389 TAILQ_FOREACH(wp, which_list, next) { 390 if (wp->skip == TRUE) 391 continue; 392 if (!cmp_path(wp->file, itr->name, cwd)) 393 continue; 394 if (wp->package[0] != '\0') { 395 warnx("both %s and %s claim to have installed %s\n", 396 wp->package, installed[i], wp->file); 397 } else { 398 strlcpy(wp->package, installed[i], PATH_MAX); 399 } 400 } 401 } 402 } 403 free_plist(&pkg); 404 } 405 406 TAILQ_FOREACH(wp, which_list, next) { 407 if (wp->package[0] != '\0') { 408 if (Quiet) 409 puts(wp->package); 410 else 411 printf("%s was installed by package %s\n", \ 412 wp->file, wp->package); 413 } 414 } 415 while (!TAILQ_EMPTY(which_list)) { 416 wp = TAILQ_FIRST(which_list); 417 TAILQ_REMOVE(which_list, wp, next); 418 free(wp); 419 } 420 421 free(which_list); 422 return 0; 423} 424 425/* 426 * Look through package dbs in LOG_DIR and find which 427 * packages have the given origin. Don't use read_plist() 428 * because this increases time necessary for lookup by 40 429 * times, as we don't really have to parse all plist to 430 * get origin. 431 */ 432static int 433find_pkgs_by_origin(const char *origin) 434{ 435 char **matched; 436 int errcode, i; 437 438 if (!Quiet) 439 printf("The following installed package(s) has %s origin:\n", origin); 440 441 matched = matchbyorigin(origin, &errcode); 442 if (matched == NULL) 443 return errcode; 444 445 for (i = 0; matched[i] != NULL; i++) 446 puts(matched[i]); 447 448 return 0; 449} 450 451/* 452 * List only the matching package names. 453 * Mainly intended for scripts. 454 */ 455static int 456matched_packages(char **pkgs) 457{ 458 char **matched; 459 int i, errcode; 460 461 matched = matchinstalled(MatchType == MATCH_GLOB ? MATCH_NGLOB : MatchType, pkgs, &errcode); 462 463 if (errcode != 0 || matched == NULL) 464 return 1; 465 466 for (i = 0; matched[i]; i++) 467 if (!Quiet) 468 printf("%s\n", matched[i]); 469 else if (QUIET) 470 printf("%s%s\n", InfoPrefix, matched[i]); 471 472 return 0; 473} 474