/** \ingroup rpmts * \file lib/depends.c */ #include "system.h" #include /* rpmVersionCompare, rpmlib provides */ #include #include #include #include #include #include "lib/rpmts_internal.h" #include "lib/rpmte_internal.h" #include "lib/rpmds_internal.h" #include "lib/rpmfi_internal.h" /* rpmfiles stuff for now */ #include "lib/misc.h" #include "lib/backend/dbiset.h" #include "debug.h" const char * const RPMVERSION = VERSION; const char * const rpmNAME = PACKAGE; const char * const rpmEVR = VERSION; const int rpmFLAGS = RPMSENSE_EQUAL; #undef HASHTYPE #undef HTKEYTYPE #undef HTDATATYPE #define HASHTYPE depCache #define HTKEYTYPE const char * #define HTDATATYPE int #include "lib/rpmhash.H" #include "lib/rpmhash.C" #undef HASHTYPE #undef HTKEYTYPE #undef HTDATATYPE #define HASHTYPE packageHash #define HTKEYTYPE unsigned int #define HTDATATYPE struct rpmte_s * #include "rpmhash.C" #undef HASHTYPE #undef HTKEYTYPE #undef HTDATATYPE #define HASHTYPE filedepHash #define HTKEYTYPE const char * #define HTDATATYPE const char * #include "rpmhash.H" #include "rpmhash.C" #undef HASHTYPE #undef HTKEYTYPE #undef HTDATATYPE #define HASHTYPE depexistsHash #define HTKEYTYPE const char * #include "lib/rpmhash.H" #include "lib/rpmhash.C" #undef HASHTYPE #undef HTKEYTYPE enum addOp_e { RPMTE_INSTALL = 0, RPMTE_UPGRADE = 1, RPMTE_REINSTALL = 2, }; /** * Check for supported payload format in header. * @param h header to check * @return RPMRC_OK if supported, RPMRC_FAIL otherwise */ static rpmRC headerCheckPayloadFormat(Header h) { rpmRC rc = RPMRC_OK; const char *payloadfmt = headerGetString(h, RPMTAG_PAYLOADFORMAT); /* * XXX Ugh, rpm 3.x packages don't have payload format tag. Instead * of blindly allowing, should check somehow (HDRID existence or... ?) */ if (!payloadfmt) return rc; if (!rstreq(payloadfmt, "cpio")) { char *nevra = headerGetAsString(h, RPMTAG_NEVRA); if (payloadfmt && rstreq(payloadfmt, "drpm")) { rpmlog(RPMLOG_ERR, _("%s is a Delta RPM and cannot be directly installed\n"), nevra); } else { rpmlog(RPMLOG_ERR, _("Unsupported payload (%s) in package %s\n"), payloadfmt ? payloadfmt : "none", nevra); } free(nevra); rc = RPMRC_FAIL; } return rc; } /** * Add removed package instance to ordered transaction set. * @param ts transaction set * @param h header * @param depends installed package of pair (or RPMAL_NOMATCH on erase) * @return 0 on success */ static int removePackage(rpmts ts, Header h, rpmte depends) { tsMembers tsmem = rpmtsMembers(ts); rpmte p, *pp; unsigned int dboffset = headerGetInstance(h); /* Can't remove what's not installed */ if (dboffset == 0) return 1; /* Filter out duplicate erasures. */ if (packageHashGetEntry(tsmem->removedPackages, dboffset, &pp, NULL, NULL)) { if (depends) rpmteSetDependsOn(pp[0], depends); return 0; } p = rpmteNew(ts, h, TR_REMOVED, NULL, NULL); if (p == NULL) return 1; packageHashAddEntry(tsmem->removedPackages, dboffset, p); if (tsmem->orderCount >= tsmem->orderAlloced) { tsmem->orderAlloced += (tsmem->orderCount - tsmem->orderAlloced) + tsmem->delta; tsmem->order = xrealloc(tsmem->order, sizeof(*tsmem->order) * tsmem->orderAlloced); } rpmteSetDependsOn(p, depends); tsmem->order[tsmem->orderCount] = p; tsmem->orderCount++; return 0; } /* Return rpmdb iterator with removals optionally pruned out */ rpmdbMatchIterator rpmtsPrunedIterator(rpmts ts, rpmDbiTagVal tag, const char * key, int prune) { rpmdbMatchIterator mi = rpmtsInitIterator(ts, tag, key, 0); if (prune) { tsMembers tsmem = rpmtsMembers(ts); rpmdbPruneIterator(mi, tsmem->removedPackages); } return mi; } /** * Decides whether to skip a package upgrade/obsoletion on TE color. * * @param tscolor color of this transaction * @param color color of this transaction element * @param ocolor header color of the upgraded/obsoleted package * * @return non-zero if the package should be skipped */ static int skipColor(rpm_color_t tscolor, rpm_color_t color, rpm_color_t ocolor) { return tscolor && color && ocolor && !(color & ocolor); } /* Add erase elements for older packages of same color (if any). */ static int addSelfErasures(rpmts ts, rpm_color_t tscolor, int op, rpmte p, rpm_color_t hcolor, Header h) { Header oh; rpmdbMatchIterator mi = rpmtsInitIterator(ts, RPMDBI_NAME, rpmteN(p), 0); int rc = 0; int cmp; while ((oh = rpmdbNextIterator(mi)) != NULL) { /* Ignore colored packages not in our rainbow. */ if (skipColor(tscolor, hcolor, headerGetNumber(oh, RPMTAG_HEADERCOLOR))) continue; cmp = rpmVersionCompare(h, oh); /* On upgrade, skip packages that contain identical NEVR. */ if ((op == RPMTE_UPGRADE) && (cmp == 0)) continue; /* On reinstall, skip packages with differing NEVR. */ if ((op == RPMTE_REINSTALL) && (cmp != 0)) continue; if (removePackage(ts, oh, p)) { rc = 1; break; } } rpmdbFreeIterator(mi); return rc; } /* Add erase elements for obsoleted packages of same color (if any). */ static int addObsoleteErasures(rpmts ts, rpm_color_t tscolor, rpmte p) { rpmstrPool tspool = rpmtsPool(ts); rpmds obsoletes = rpmdsInit(rpmteDS(p, RPMTAG_OBSOLETENAME)); Header oh; int rc = 0; while (rpmdsNext(obsoletes) >= 0 && rc == 0) { const char * Name; rpmdbMatchIterator mi = NULL; if ((Name = rpmdsN(obsoletes)) == NULL) continue; /* XXX can't happen */ mi = rpmtsPrunedIterator(ts, RPMDBI_NAME, Name, 1); while ((oh = rpmdbNextIterator(mi)) != NULL) { const char *oarch = headerGetString(oh, RPMTAG_ARCH); int match; /* avoid self-obsoleting packages */ if (rstreq(rpmteN(p), Name) && rstreq(rpmteA(p), oarch)) { char * ohNEVRA = headerGetAsString(oh, RPMTAG_NEVRA); rpmlog(RPMLOG_DEBUG, " Not obsoleting: %s\n", ohNEVRA); free(ohNEVRA); continue; } /* * Rpm prior to 3.0.3 does not have versioned obsoletes. * If no obsoletes version info is available, match all names. */ match = (rpmdsEVR(obsoletes) == NULL); if (!match) match = rpmdsMatches(tspool, oh, -1, obsoletes, 1, _rpmds_nopromote); if (match) { char * ohNEVRA = headerGetAsString(oh, RPMTAG_NEVRA); rpmlog(RPMLOG_DEBUG, " Obsoletes: %s\t\terases %s\n", rpmdsDNEVR(obsoletes)+2, ohNEVRA); free(ohNEVRA); if (removePackage(ts, oh, p)) { rc = 1; break; } } } rpmdbFreeIterator(mi); } return rc; } /* * Lookup obsoletions in the added set. In theory there could * be more than one obsoleting package, but we only care whether this * has been obsoleted by *something* or not. */ static rpmte checkObsoleted(rpmal addedPackages, rpmds thisds) { rpmte p = NULL; rpmte *matches = NULL; matches = rpmalAllObsoletes(addedPackages, thisds); if (matches) { p = matches[0]; free(matches); } return p; } /* * Filtered rpmal lookup: on colored transactions there can be more * than one identical NEVR but different arch, this must be allowed. * Only a single element needs to be considred as there can only ever * be one previous element to be replaced. */ static rpmte checkAdded(rpmal addedPackages, rpm_color_t tscolor, rpmte te, rpmds ds) { rpmte p = NULL; rpmte *matches = NULL; matches = rpmalAllSatisfiesDepend(addedPackages, ds); if (matches) { const char * arch = rpmteA(te); const char * os = rpmteO(te); for (rpmte *m = matches; m && *m; m++) { if (tscolor) { const char * parch = rpmteA(*m); const char * pos = rpmteO(*m); if (arch == NULL || parch == NULL || os == NULL || pos == NULL) continue; if (!rstreq(arch, parch) || !rstreq(os, pos)) continue; } p = *m; break; } free(matches); } return p; } /* * Check for previously added versions and obsoletions. * Return index where to place this element, or -1 to skip. * XXX OBSOLETENAME is a bit of a hack, but gives us what * we want from rpmal: we're only interested in added package * names here, not their provides. */ static int findPos(rpmts ts, rpm_color_t tscolor, rpmte te, int upgrade) { tsMembers tsmem = rpmtsMembers(ts); int oc = tsmem->orderCount; int skip = 0; const char * name = rpmteN(te); const char * evr = rpmteEVR(te); rpmte p; rpmstrPool tspool = rpmtsPool(ts); rpmds oldChk = rpmdsSinglePool(tspool, RPMTAG_OBSOLETENAME, name, evr, (RPMSENSE_LESS)); rpmds newChk = rpmdsSinglePool(tspool, RPMTAG_OBSOLETENAME, name, evr, (RPMSENSE_GREATER)); rpmds sameChk = rpmdsSinglePool(tspool, RPMTAG_OBSOLETENAME, name, evr, (RPMSENSE_EQUAL)); rpmds obsChk = rpmteDS(te, RPMTAG_OBSOLETENAME); /* If obsoleting package has already been added, skip this. */ if ((p = checkObsoleted(tsmem->addedPackages, rpmteDS(te, RPMTAG_NAME)))) { skip = 1; goto exit; } /* If obsoleted package has already been added, replace with this. */ rpmdsInit(obsChk); while (rpmdsNext(obsChk) >= 0) { /* XXX Obsoletes are not colored */ if ((p = checkAdded(tsmem->addedPackages, 0, te, obsChk))) { goto exit; } } /* If same NEVR has already been added, skip this. */ if ((p = checkAdded(tsmem->addedPackages, tscolor, te, sameChk))) { skip = 1; goto exit; } /* On upgrades... */ if (upgrade) { /* ...if newer NEVR has already been added, skip this. */ if ((p = checkAdded(tsmem->addedPackages, tscolor, te, newChk))) { skip = 1; goto exit; } /* ...if older NEVR has already been added, replace with this. */ if ((p = checkAdded(tsmem->addedPackages, tscolor, te, oldChk))) { goto exit; } } exit: /* If we found a previous element we've something to say */ if (p != NULL && rpmIsVerbose()) { const char *msg = skip ? _("package %s was already added, skipping %s\n") : _("package %s was already added, replacing with %s\n"); rpmlog(RPMLOG_WARNING, msg, rpmteNEVRA(p), rpmteNEVRA(te)); } /* If replacing a previous element, find out where it is. Pooh. */ if (!skip && p != NULL) { for (oc = 0; oc < tsmem->orderCount; oc++) { if (p == tsmem->order[oc]) break; } } rpmdsFree(oldChk); rpmdsFree(newChk); rpmdsFree(sameChk); return (skip) ? -1 : oc; } rpmal rpmtsCreateAl(rpmts ts, rpmElementTypes types) { rpmal al = NULL; if (ts) { rpmte p; rpmtsi pi; rpmstrPool tspool = rpmtsPool(ts); al = rpmalCreate(tspool, (rpmtsNElements(ts) / 4) + 1, rpmtsFlags(ts), rpmtsColor(ts), rpmtsPrefColor(ts)); pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, types))) rpmalAdd(al, p); rpmtsiFree(pi); } return al; } static int addPackage(rpmts ts, Header h, fnpyKey key, int op, rpmRelocation * relocs) { tsMembers tsmem = rpmtsMembers(ts); rpm_color_t tscolor = rpmtsColor(ts); rpmte p = NULL; int isSource = headerIsSource(h); int ec = 0; int oc = tsmem->orderCount; /* Check for supported payload format if it's a package */ if (key && headerCheckPayloadFormat(h) != RPMRC_OK) { ec = 1; goto exit; } /* Source packages are never "upgraded" */ if (isSource) op = RPMTE_INSTALL; /* Do lazy (readonly?) open of rpm database for upgrades. */ if (op != RPMTE_INSTALL && rpmtsGetRdb(ts) == NULL && rpmtsGetDBMode(ts) != -1) { if ((ec = rpmtsOpenDB(ts, rpmtsGetDBMode(ts))) != 0) goto exit; } p = rpmteNew(ts, h, TR_ADDED, key, relocs); if (p == NULL) { ec = 1; goto exit; } /* Check binary packages for redundancies in the set */ if (!isSource) { oc = findPos(ts, tscolor, p, (op == RPMTE_UPGRADE)); /* If we're replacing a previously added element, free the old one */ if (oc >= 0 && oc < tsmem->orderCount) { rpmalDel(tsmem->addedPackages, tsmem->order[oc]); tsmem->order[oc] = rpmteFree(tsmem->order[oc]); /* If newer NEVR was already added, we're done */ } else if (oc < 0) { p = rpmteFree(p); goto exit; } } if (oc >= tsmem->orderAlloced) { tsmem->orderAlloced += (oc - tsmem->orderAlloced) + tsmem->delta; tsmem->order = xrealloc(tsmem->order, tsmem->orderAlloced * sizeof(*tsmem->order)); } tsmem->order[oc] = p; if (oc == tsmem->orderCount) { tsmem->orderCount++; } if (tsmem->addedPackages == NULL) { tsmem->addedPackages = rpmalCreate(rpmtsPool(ts), 5, rpmtsFlags(ts), tscolor, rpmtsPrefColor(ts)); } rpmalAdd(tsmem->addedPackages, p); /* Add erasure elements for old versions and obsoletions on upgrades */ /* XXX TODO: If either of these fails, we'd need to undo all additions */ if (op != RPMTE_INSTALL) addSelfErasures(ts, tscolor, op, p, rpmteColor(p), h); if (op == RPMTE_UPGRADE) addObsoleteErasures(ts, tscolor, p); exit: return ec; } int rpmtsAddInstallElement(rpmts ts, Header h, fnpyKey key, int upgrade, rpmRelocation * relocs) { int op = (upgrade == 0) ? RPMTE_INSTALL : RPMTE_UPGRADE; if (rpmtsSetupTransactionPlugins(ts) == RPMRC_FAIL) return 1; return addPackage(ts, h, key, op, relocs); } int rpmtsAddReinstallElement(rpmts ts, Header h, fnpyKey key) { if (rpmtsSetupTransactionPlugins(ts) == RPMRC_FAIL) return 1; /* TODO: pull relocations from installed package */ /* TODO: should reinstall of non-installed package fail? */ return addPackage(ts, h, key, RPMTE_REINSTALL, NULL); } int rpmtsAddEraseElement(rpmts ts, Header h, int dboffset) { if (rpmtsSetupTransactionPlugins(ts) == RPMRC_FAIL) return 1; return removePackage(ts, h, NULL); } /* Cached rpmdb provide lookup, returns 0 if satisfied, 1 otherwise */ static int rpmdbProvides(rpmts ts, depCache dcache, rpmds dep, dbiIndexSet *matches) { const char * Name = rpmdsN(dep); const char * DNEVR = rpmdsDNEVR(dep); rpmTagVal deptag = rpmdsTagN(dep); int *cachedrc = NULL; rpmdbMatchIterator mi = NULL; Header h = NULL; int rc = 0; /* pretrans deps are provided by current packages, don't prune erasures */ int prune = (rpmdsFlags(dep) & RPMSENSE_PRETRANS) ? 0 : 1; unsigned int keyhash = 0; /* See if we already looked this up */ if (prune && !matches) { keyhash = depCacheKeyHash(dcache, DNEVR); if (depCacheGetHEntry(dcache, DNEVR, keyhash, &cachedrc, NULL, NULL)) { rc = *cachedrc; rpmdsNotify(dep, "(cached)", rc); return rc; } } if (matches) *matches = dbiIndexSetNew(0); /* * See if a filename dependency is a real file in some package, * taking file state into account: replaced, wrong colored and * not installed files can not satisfy a dependency. */ if (deptag != RPMTAG_OBSOLETENAME && Name[0] == '/') { mi = rpmtsPrunedIterator(ts, RPMDBI_INSTFILENAMES, Name, prune); while ((h = rpmdbNextIterator(mi)) != NULL) { /* Ignore self-conflicts */ if (deptag == RPMTAG_CONFLICTNAME) { unsigned int instance = headerGetInstance(h); if (instance && instance == rpmdsInstance(dep)) continue; } if (matches) { dbiIndexSetAppendOne(*matches, headerGetInstance(h), 0, 0); continue; } rpmdsNotify(dep, "(db files)", rc); break; } rpmdbFreeIterator(mi); } /* Otherwise look in provides no matter what the dependency looks like */ if (h == NULL) { rpmstrPool tspool = rpmtsPool(ts); /* Obsoletes use just name alone, everything else uses provides */ rpmTagVal dbtag = RPMDBI_PROVIDENAME; int selfevr = 0; if (deptag == RPMTAG_OBSOLETENAME) { dbtag = RPMDBI_NAME; selfevr = 1; } mi = rpmtsPrunedIterator(ts, dbtag, Name, prune); while ((h = rpmdbNextIterator(mi)) != NULL) { /* Provide-indexes can't be used with nevr-only matching */ int prix = (selfevr) ? -1 : rpmdbGetIteratorFileNum(mi); int match = rpmdsMatches(tspool, h, prix, dep, selfevr, _rpmds_nopromote); /* Ignore self-obsoletes and self-conflicts */ if (match && (deptag == RPMTAG_OBSOLETENAME || deptag == RPMTAG_CONFLICTNAME)) { unsigned int instance = headerGetInstance(h); if (instance && instance == rpmdsInstance(dep)) match = 0; } if (match) { if (matches) { dbiIndexSetAppendOne(*matches, headerGetInstance(h), 0, 0); continue; } rpmdsNotify(dep, "(db provides)", rc); break; } } rpmdbFreeIterator(mi); } rc = (h != NULL) ? 0 : 1; if (matches) { dbiIndexSetUniq(*matches, 0); rc = dbiIndexSetCount(*matches) ? 0 : 1; } /* Cache the relatively expensive rpmdb lookup results */ /* Caching the oddball non-pruned case would mess up other results */ if (prune && !matches) depCacheAddHEntry(dcache, xstrdup(DNEVR), keyhash, rc); return rc; } static dbiIndexSet unsatisfiedDependSet(rpmts ts, rpmds dep) { dbiIndexSet set1 = NULL, set2 = NULL; tsMembers tsmem = rpmtsMembers(ts); rpmsenseFlags dsflags = rpmdsFlags(dep); if (dsflags & RPMSENSE_RPMLIB) goto exit; if (rpmdsIsRich(dep)) { rpmds ds1, ds2; rpmrichOp op; char *emsg = 0; if (rpmdsParseRichDep(dep, &ds1, &ds2, &op, &emsg) != RPMRC_OK) { rpmdsNotify(dep, emsg ? emsg : "(parse error)", 1); _free(emsg); goto exit; } /* only a subset of ops is supported in set mode */ if (op != RPMRICHOP_WITH && op != RPMRICHOP_WITHOUT && op != RPMRICHOP_OR && op != RPMRICHOP_SINGLE) { rpmdsNotify(dep, "(unsupported op in set mode)", 1); goto exit_rich; } set1 = unsatisfiedDependSet(ts, ds1); if (op == RPMRICHOP_SINGLE) goto exit_rich; if (op != RPMRICHOP_OR && dbiIndexSetCount(set1) == 0) goto exit_rich; set2 = unsatisfiedDependSet(ts, ds2); if (op == RPMRICHOP_WITH) { dbiIndexSetFilterSet(set1, set2, 0); } else if (op == RPMRICHOP_WITHOUT) { dbiIndexSetPruneSet(set1, set2, 0); } else if (op == RPMRICHOP_OR) { dbiIndexSetAppendSet(set1, set2, 0); } exit_rich: ds1 = rpmdsFree(ds1); ds2 = rpmdsFree(ds2); goto exit; } /* match database entries */ rpmdbProvides(ts, NULL, dep, &set1); /* Pretrans dependencies can't be satisfied by added packages. */ if (!(dsflags & RPMSENSE_PRETRANS)) { rpmte *matches = rpmalAllSatisfiesDepend(tsmem->addedPackages, dep); if (matches) { for (rpmte *p = matches; *p; p++) dbiIndexSetAppendOne(set1, rpmalLookupTE(tsmem->addedPackages, *p), 1, 0); } _free(matches); } exit: set2 = dbiIndexSetFree(set2); return set1 ? set1 : dbiIndexSetNew(0); } /** * Check dep for an unsatisfied dependency. * @param ts transaction set * @param dcache dependency cache * @param dep dependency * @return 0 if satisfied, 1 if not satisfied */ static int unsatisfiedDepend(rpmts ts, depCache dcache, rpmds dep) { tsMembers tsmem = rpmtsMembers(ts); int rc; int retrying = 0; int adding = (rpmdsInstance(dep) == 0); rpmsenseFlags dsflags = rpmdsFlags(dep); retry: rc = 0; /* assume dependency is satisfied */ /* * New features in rpm packaging implicitly add versioned dependencies * on rpmlib provides. The dependencies look like "rpmlib(YaddaYadda)". * Check those dependencies now. */ if (dsflags & RPMSENSE_RPMLIB) { if (tsmem->rpmlib == NULL) rpmdsRpmlibPool(rpmtsPool(ts), &(tsmem->rpmlib), NULL); if (tsmem->rpmlib != NULL && rpmdsSearch(tsmem->rpmlib, dep) >= 0) { rpmdsNotify(dep, "(rpmlib provides)", rc); goto exit; } goto unsatisfied; } /* Dont look at pre-requisites of already installed packages */ if (!adding && isInstallPreReq(dsflags) && !isErasePreReq(dsflags)) goto exit; /* Handle rich dependencies */ if (rpmdsIsRich(dep)) { rpmds ds1, ds2; rpmrichOp op; char *emsg = 0; if (rpmdsParseRichDep(dep, &ds1, &ds2, &op, &emsg) != RPMRC_OK) { rc = rpmdsTagN(dep) == RPMTAG_CONFLICTNAME ? 0 : 1; if (rpmdsInstance(dep) != 0) rc = !rc; /* ignore errors for installed packages */ rpmdsNotify(dep, emsg ? emsg : "(parse error)", rc); _free(emsg); goto exit; } if (op == RPMRICHOP_WITH || op == RPMRICHOP_WITHOUT) { /* switch to set mode processing */ dbiIndexSet set = unsatisfiedDependSet(ts, dep); rc = dbiIndexSetCount(set) ? 0 : 1; dbiIndexSetFree(set); ds1 = rpmdsFree(ds1); ds2 = rpmdsFree(ds2); rpmdsNotify(dep, "(rich)", rc); goto exit; } if (op == RPMRICHOP_IF || op == RPMRICHOP_UNLESS) { /* A IF B -> A OR NOT(B) */ /* A UNLESS B -> A AND NOT(B) */ if (rpmdsIsRich(ds2)) { /* check if this has an ELSE clause */ rpmds ds21 = NULL, ds22 = NULL; rpmrichOp op2; if (rpmdsParseRichDep(ds2, &ds21, &ds22, &op2, NULL) == RPMRC_OK && op2 == RPMRICHOP_ELSE) { /* A IF B ELSE C -> (A OR NOT(B)) AND (C OR B) */ /* A UNLESS B ELSE C -> (A AND NOT(B)) OR (C AND B) */ rc = !unsatisfiedDepend(ts, dcache, ds21); /* NOT(B) */ if ((rc && op == RPMRICHOP_IF) || (!rc && op == RPMRICHOP_UNLESS)) { rc = unsatisfiedDepend(ts, dcache, ds1); /* A */ } else { rc = unsatisfiedDepend(ts, dcache, ds22); /* C */ } rpmdsFree(ds21); rpmdsFree(ds22); goto exitrich; } rpmdsFree(ds21); rpmdsFree(ds22); } rc = !unsatisfiedDepend(ts, dcache, ds2); /* NOT(B) */ if ((rc && op == RPMRICHOP_IF) || (!rc && op == RPMRICHOP_UNLESS)) rc = unsatisfiedDepend(ts, dcache, ds1); } else { rc = unsatisfiedDepend(ts, dcache, ds1); if ((rc && op == RPMRICHOP_OR) || (!rc && op == RPMRICHOP_AND)) rc = unsatisfiedDepend(ts, dcache, ds2); } exitrich: ds1 = rpmdsFree(ds1); ds2 = rpmdsFree(ds2); rpmdsNotify(dep, "(rich)", rc); goto exit; } /* Pretrans dependencies can't be satisfied by added packages. */ if (!(dsflags & RPMSENSE_PRETRANS)) { rpmte *matches = rpmalAllSatisfiesDepend(tsmem->addedPackages, dep); int match = matches && *matches; _free(matches); if (match) goto exit; } /* See if the rpmdb provides it */ if (rpmdbProvides(ts, dcache, dep, NULL) == 0) goto exit; /* Search for an unsatisfied dependency. */ if (adding && !retrying && !(dsflags & RPMSENSE_PRETRANS)) { int xx = rpmtsSolve(ts, dep); if (xx == 0) goto exit; if (xx == -1) { retrying = 1; goto retry; } } unsatisfied: if (dsflags & RPMSENSE_MISSINGOK) { /* note the result, but missingok deps are never unsatisfied */ rpmdsNotify(dep, "(missingok)", 1); } else { /* dependency is unsatisfied */ rc = 1; rpmdsNotify(dep, NULL, rc); } exit: return rc; } /* Check a dependency set for problems */ static void checkDS(rpmts ts, depCache dcache, rpmte te, const char * pkgNEVRA, rpmds ds, rpm_color_t tscolor) { rpm_color_t dscolor; /* require-problems are unsatisfied, others appear "satisfied" */ int is_problem = (rpmdsTagN(ds) == RPMTAG_REQUIRENAME); ds = rpmdsInit(ds); while (rpmdsNext(ds) >= 0) { /* Ignore colored dependencies not in our rainbow. */ dscolor = rpmdsColor(ds); if (tscolor && dscolor && !(tscolor & dscolor)) continue; if (unsatisfiedDepend(ts, dcache, ds) == is_problem) rpmteAddDepProblem(te, pkgNEVRA, ds, NULL); } } /* Check a given dependency against installed packages */ static void checkInstDeps(rpmts ts, depCache dcache, rpmte te, rpmTag depTag, const char *dep) { Header h; rpmdbMatchIterator mi = rpmtsPrunedIterator(ts, depTag, dep, 1); rpmstrPool pool = rpmtsPool(ts); /* require-problems are unsatisfied, others appear "satisfied" */ int is_problem = (depTag == RPMTAG_REQUIRENAME); while ((h = rpmdbNextIterator(mi)) != NULL) { char * pkgNEVRA; rpmds ds; /* Ignore self-obsoletes and self-conflicts */ if (depTag == RPMTAG_OBSOLETENAME || depTag == RPMTAG_CONFLICTNAME) { unsigned int instance = headerGetInstance(h); if (instance && instance == rpmteDBInstance(te)) continue; } pkgNEVRA = headerGetAsString(h, RPMTAG_NEVRA); ds = rpmdsNewPool(pool, h, depTag, 0); rpmdsSetIx(ds, rpmdbGetIteratorFileNum(mi)); if (unsatisfiedDepend(ts, dcache, ds) == is_problem) rpmteAddDepProblem(te, pkgNEVRA, ds, NULL); rpmdsFree(ds); free(pkgNEVRA); } rpmdbFreeIterator(mi); } static void checkNotInstDeps(rpmts ts, depCache dcache, rpmte te, rpmTag depTag, const char *dep) { char *ndep = rmalloc(strlen(dep) + 2); ndep[0] = '!'; strcpy(ndep + 1, dep); checkInstDeps(ts, dcache, te, depTag, ndep); free(ndep); } static void checkInstFileDeps(rpmts ts, depCache dcache, rpmte te, rpmTag depTag, rpmfi fi, int is_not, filedepHash cache, fingerPrintCache *fpcp) { fingerPrintCache fpc = *fpcp; fingerPrint * fp = NULL; const char *basename = rpmfiBN(fi); const char *dirname; const char **dirnames = 0; int ndirnames = 0; int i; filedepHashGetEntry(cache, basename, &dirnames, &ndirnames, NULL); if (!ndirnames) return; if (!fpc) *fpcp = fpc = fpCacheCreate(1001, NULL); dirname = rpmfiDN(fi); fpLookup(fpc, dirname, basename, &fp); for (i = 0; i < ndirnames; i++) { char *fpdep = 0; const char *dep; if (!strcmp(dirnames[i], dirname)) { dep = rpmfiFN(fi); } else if (fpLookupEquals(fpc, fp, dirnames[i], basename)) { fpdep = rmalloc(strlen(dirnames[i]) + strlen(basename) + 1); strcpy(fpdep, dirnames[i]); strcat(fpdep, basename); dep = fpdep; } else { continue; } if (!is_not) checkInstDeps(ts, dcache, te, depTag, dep); else checkNotInstDeps(ts, dcache, te, depTag, dep); _free(fpdep); } _free(fp); } static void addFileDepToHash(filedepHash hash, char *key, size_t keylen) { int i; char *basename, *dirname; if (!keylen || key[0] != '/') return; for (i = keylen - 1; key[i] != '/'; i--) ; dirname = rmalloc(i + 2); memcpy(dirname, key, i + 1); dirname[i + 1] = 0; basename = rmalloc(keylen - i); memcpy(basename, key + i + 1, keylen - i - 1); basename[keylen - i - 1] = 0; filedepHashAddEntry(hash, basename, dirname); } static void addDepToHash(depexistsHash hash, char *key, size_t keylen) { char *keystr; if (!keylen) return; keystr = rmalloc(keylen + 1); strncpy(keystr, key, keylen); keystr[keylen] = 0; depexistsHashAddEntry(hash, keystr); } static void addIndexToDepHashes(rpmts ts, rpmDbiTag tag, depexistsHash dephash, filedepHash filehash, depexistsHash depnothash, filedepHash filenothash) { char *key; size_t keylen; rpmdbIndexIterator ii = rpmdbIndexIteratorInit(rpmtsGetRdb(ts), tag); if (!ii) return; while ((rpmdbIndexIteratorNext(ii, (const void**)&key, &keylen)) == 0) { if (!key || !keylen) continue; if (*key == '!' && keylen > 1) { key++; keylen--; if (*key == '/' && filenothash) addFileDepToHash(filenothash, key, keylen); if (depnothash) addDepToHash(depnothash, key, keylen); } else { if (*key == '/' && filehash) addFileDepToHash(filehash, key, keylen); if (dephash) addDepToHash(dephash, key, keylen); } } rpmdbIndexIteratorFree(ii); } int rpmtsCheck(rpmts ts) { rpm_color_t tscolor = rpmtsColor(ts); rpmtsi pi = NULL; rpmte p; int closeatexit = 0; int rc = 0; depCache dcache = NULL; filedepHash confilehash = NULL; /* file conflicts of installed packages */ filedepHash connotfilehash = NULL; /* file conflicts of installed packages */ depexistsHash connothash = NULL; filedepHash reqfilehash = NULL; /* file requires of installed packages */ filedepHash reqnotfilehash = NULL; /* file requires of installed packages */ depexistsHash reqnothash = NULL; fingerPrintCache fpc = NULL; rpmdb rdb = NULL; (void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_CHECK), 0); /* Do lazy, readonly, open of rpm database. */ rdb = rpmtsGetRdb(ts); if (rdb == NULL && rpmtsGetDBMode(ts) != -1) { if ((rc = rpmtsOpenDB(ts, rpmtsGetDBMode(ts))) != 0) goto exit; rdb = rpmtsGetRdb(ts); closeatexit = 1; } if (rdb) rpmdbCtrl(rdb, RPMDB_CTRL_LOCK_RO); /* XXX FIXME: figure some kind of heuristic for the cache size */ dcache = depCacheCreate(5001, rstrhash, strcmp, (depCacheFreeKey)rfree, NULL); /* build hashes of all confilict sdependencies */ confilehash = filedepHashCreate(257, rstrhash, strcmp, (filedepHashFreeKey)rfree, (filedepHashFreeData)rfree); connothash = depexistsHashCreate(257, rstrhash, strcmp, (filedepHashFreeKey)rfree); connotfilehash = filedepHashCreate(257, rstrhash, strcmp, (filedepHashFreeKey)rfree, (filedepHashFreeData)rfree); addIndexToDepHashes(ts, RPMTAG_CONFLICTNAME, NULL, confilehash, connothash, connotfilehash); if (!filedepHashNumKeys(confilehash)) confilehash = filedepHashFree(confilehash); if (!depexistsHashNumKeys(connothash)) connothash= depexistsHashFree(connothash); if (!filedepHashNumKeys(connotfilehash)) connotfilehash = filedepHashFree(connotfilehash); /* build hashes of all requires dependencies */ reqfilehash = filedepHashCreate(8191, rstrhash, strcmp, (filedepHashFreeKey)rfree, (filedepHashFreeData)rfree); reqnothash = depexistsHashCreate(257, rstrhash, strcmp, (filedepHashFreeKey)rfree); reqnotfilehash = filedepHashCreate(257, rstrhash, strcmp, (filedepHashFreeKey)rfree, (filedepHashFreeData)rfree); addIndexToDepHashes(ts, RPMTAG_REQUIRENAME, NULL, reqfilehash, reqnothash, reqnotfilehash); if (!filedepHashNumKeys(reqfilehash)) reqfilehash = filedepHashFree(reqfilehash); if (!depexistsHashNumKeys(reqnothash)) reqnothash= depexistsHashFree(reqnothash); if (!filedepHashNumKeys(reqnotfilehash)) reqnotfilehash = filedepHashFree(reqnotfilehash); /* * Look at all of the added packages and make sure their dependencies * are satisfied. */ pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, TR_ADDED)) != NULL) { rpmds provides = rpmdsInit(rpmteDS(p, RPMTAG_PROVIDENAME)); rpmlog(RPMLOG_DEBUG, "========== +++ %s %s/%s 0x%x\n", rpmteNEVR(p), rpmteA(p), rpmteO(p), rpmteColor(p)); checkDS(ts, dcache, p, rpmteNEVRA(p), rpmteDS(p, RPMTAG_REQUIRENAME), tscolor); checkDS(ts, dcache, p, rpmteNEVRA(p), rpmteDS(p, RPMTAG_CONFLICTNAME), tscolor); checkDS(ts, dcache, p, rpmteNEVRA(p), rpmteDS(p, RPMTAG_OBSOLETENAME), tscolor); /* Check provides against conflicts in installed packages. */ while (rpmdsNext(provides) >= 0) { const char *dep = rpmdsN(provides); checkInstDeps(ts, dcache, p, RPMTAG_CONFLICTNAME, dep); if (reqnothash && depexistsHashHasEntry(reqnothash, dep)) checkNotInstDeps(ts, dcache, p, RPMTAG_REQUIRENAME, dep); } /* Skip obsoletion checks for source packages (ie build) */ if (rpmteIsSource(p)) continue; /* Check package name (not provides!) against installed obsoletes */ checkInstDeps(ts, dcache, p, RPMTAG_OBSOLETENAME, rpmteN(p)); /* Check filenames against installed conflicts */ if (confilehash || reqnotfilehash) { rpmfiles files = rpmteFiles(p); rpmfi fi = rpmfilesIter(files, RPMFI_ITER_FWD); while (rpmfiNext(fi) >= 0) { if (confilehash) checkInstFileDeps(ts, dcache, p, RPMTAG_CONFLICTNAME, fi, 0, confilehash, &fpc); if (reqnotfilehash) checkInstFileDeps(ts, dcache, p, RPMTAG_REQUIRENAME, fi, 1, reqnotfilehash, &fpc); } rpmfiFree(fi); rpmfilesFree(files); } } rpmtsiFree(pi); /* * Look at the removed packages and make sure they aren't critical. */ pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, TR_REMOVED)) != NULL) { rpmds provides = rpmdsInit(rpmteDS(p, RPMTAG_PROVIDENAME)); rpmlog(RPMLOG_DEBUG, "========== --- %s %s/%s 0x%x\n", rpmteNEVR(p), rpmteA(p), rpmteO(p), rpmteColor(p)); /* Check provides and filenames against installed dependencies. */ while (rpmdsNext(provides) >= 0) { const char *dep = rpmdsN(provides); checkInstDeps(ts, dcache, p, RPMTAG_REQUIRENAME, dep); if (connothash && depexistsHashHasEntry(connothash, dep)) checkNotInstDeps(ts, dcache, p, RPMTAG_CONFLICTNAME, dep); } if (reqfilehash || connotfilehash) { rpmfiles files = rpmteFiles(p); rpmfi fi = rpmfilesIter(files, RPMFI_ITER_FWD);; while (rpmfiNext(fi) >= 0) { if (RPMFILE_IS_INSTALLED(rpmfiFState(fi))) { if (reqfilehash) checkInstFileDeps(ts, dcache, p, RPMTAG_REQUIRENAME, fi, 0, reqfilehash, &fpc); if (connotfilehash) checkInstFileDeps(ts, dcache, p, RPMTAG_CONFLICTNAME, fi, 1, connotfilehash, &fpc); } } rpmfiFree(fi); rpmfilesFree(files); } } rpmtsiFree(pi); if (rdb) rpmdbCtrl(rdb, RPMDB_CTRL_UNLOCK_RO); exit: depCacheFree(dcache); filedepHashFree(confilehash); filedepHashFree(connotfilehash); depexistsHashFree(connothash); filedepHashFree(reqfilehash); filedepHashFree(reqnotfilehash); depexistsHashFree(reqnothash); fpCacheFree(fpc); (void) rpmswExit(rpmtsOp(ts, RPMTS_OP_CHECK), 0); if (closeatexit) (void) rpmtsCloseDB(ts); return rc; }