/*- * Copyright (c) 2013 Juan Romero Pardines. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include "xbps_api_impl.h" /* * Verify reverse dependencies for packages in transaction. * This will catch cases where a package update would break its reverse dependencies: * * - foo-1.0 is being updated to 2.0. * - baz-1.1 depends on foo<2.0. * - foo is updated to 2.0, hence baz-1.1 is currently broken. * * Abort transaction if such case is found. */ static bool check_virtual_pkgs(struct xbps_handle *xhp, xbps_dictionary_t trans_pkgd, xbps_dictionary_t rev_pkgd) { xbps_array_t unsorted, provides, rundeps, mdeps; const char *pkgver, *revpkgver, *pkgpattern; char *pkgname, *pkgdepname, *vpkgname, *vpkgver, *str; unsigned int i, x; bool matched = false; unsorted = xbps_dictionary_get(xhp->transd, "unsorted_deps"); provides = xbps_dictionary_get(trans_pkgd, "provides"); for (i = 0; i < xbps_array_count(provides); i++) { char *tmp = NULL; xbps_array_get_cstring(provides, i, &vpkgver); if (strchr(vpkgver, '_') == NULL) { tmp = xbps_xasprintf("%s_1", vpkgver); vpkgver = strdup(tmp); } vpkgname = xbps_pkg_name(vpkgver); assert(vpkgname); rundeps = xbps_dictionary_get(rev_pkgd, "run_depends"); for (x = 0; x < xbps_array_count(rundeps); x++) { xbps_array_get_cstring_nocopy(rundeps, x, &pkgpattern); if (((pkgname = xbps_pkgpattern_name(pkgpattern)) == NULL) && ((pkgname = xbps_pkg_name(pkgpattern)) == NULL)) continue; if (strcmp(vpkgname, pkgname)) { free(pkgname); continue; } free(pkgname); if (xbps_pkgpattern_match(vpkgver, pkgpattern)) continue; /* * Installed package conflicts with package * in transaction being updated, check * if a new version of this conflicting package * is in the transaction. */ xbps_dictionary_get_cstring_nocopy(trans_pkgd, "pkgver", &pkgver); pkgdepname = xbps_pkg_name(pkgver); assert(pkgdepname); if (xbps_find_pkg_in_array(unsorted, pkgdepname)) { free(pkgdepname); continue; } free(pkgdepname); mdeps = xbps_dictionary_get(xhp->transd, "missing_deps"); xbps_dictionary_get_cstring_nocopy(trans_pkgd, "pkgver", &pkgver); xbps_dictionary_get_cstring_nocopy(rev_pkgd, "pkgver", &revpkgver); str = xbps_xasprintf("CONFLICT: `%s' update " "breaks `%s', needs `%s' virtual pkg (got `%s`)", pkgver, revpkgver, pkgpattern, vpkgver); xbps_array_add_cstring(mdeps, str); free(str); matched = true; } free(vpkgname); free(vpkgver); } return matched; } void HIDDEN xbps_transaction_revdeps(struct xbps_handle *xhp) { xbps_array_t mdeps, unsorted, pkgrdeps, rundeps; xbps_dictionary_t revpkgd; xbps_object_t obj; const char *pkgver, *curdep, *revpkgver, *curpkgver, *tract; char *pkgname, *curdepname, *curpkgname, *str; unsigned int i, j, x; unsorted = xbps_dictionary_get(xhp->transd, "unsorted_deps"); for (i = 0; i < xbps_array_count(unsorted); i++) { obj = xbps_array_get(unsorted, i); /* * Only check packages in transaction being updated. */ xbps_dictionary_get_cstring_nocopy(obj, "transaction", &tract); if (strcmp(tract, "update")) continue; /* * if pkg in transaction is not installed, * pass to next one. */ xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver); pkgname = xbps_pkg_name(pkgver); assert(pkgname); if (xbps_pkg_is_installed(xhp, pkgname) == 0) { free(pkgname); continue; } /* * If pkg is installed but does not have revdeps, * pass to next one. */ pkgrdeps = xbps_pkgdb_get_pkg_revdeps(xhp, pkgname); if (!xbps_array_count(pkgrdeps)) { free(pkgname); continue; } free(pkgname); /* * Time to validate revdeps for current pkg. */ for (x = 0; x < xbps_array_count(pkgrdeps); x++) { bool found = false; xbps_array_get_cstring_nocopy(pkgrdeps, x, &curpkgver); revpkgd = xbps_pkgdb_get_pkg(xhp, curpkgver); /* * First try to match any supported virtual package. */ if (check_virtual_pkgs(xhp, obj, revpkgd)) continue; /* * Try to match real dependencies. */ rundeps = xbps_dictionary_get(revpkgd, "run_depends"); /* * Find out what dependency is it. */ curpkgname = xbps_pkg_name(pkgver); assert(curpkgname); for (j = 0; j < xbps_array_count(rundeps); j++) { xbps_array_get_cstring_nocopy(rundeps, j, &curdep); if (((curdepname = xbps_pkg_name(curdep)) == NULL) && ((curdepname = xbps_pkgpattern_name(curdep)) == NULL)) abort(); if (strcmp(curdepname, curpkgname) == 0) { free(curdepname); found = true; break; } free(curdepname); } if (!found) continue; if (xbps_match_pkgdep_in_array(rundeps, pkgver)) continue; /* * Installed package conflicts with package * in transaction being updated, check * if a new version of this conflicting package * is in the transaction. */ pkgname = xbps_pkg_name(curpkgver); if (xbps_find_pkg_in_array(unsorted, pkgname)) { free(pkgname); continue; } free(pkgname); mdeps = xbps_dictionary_get(xhp->transd, "missing_deps"); xbps_dictionary_get_cstring_nocopy(revpkgd, "pkgver", &revpkgver); str = xbps_xasprintf("CONFLICT: `%s' " "update breaks `%s', needs `%s'", pkgver, revpkgver, curdep); xbps_array_add_cstring(mdeps, str); free(str); } } }