/* Add fingerprint for each file not skipped. */ static void addFingerprints(rpmts ts, uint64_t fileCount, rpmFpHash ht, fingerPrintCache fpc) { rpmtsi pi; rpmte p; rpmfi fi; int i; rpmFpHash symlinks = rpmFpHashCreate(fileCount/16+16, fpHashFunction, fpEqual, NULL, NULL); pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, 0)) != NULL) { (void) rpmdbCheckSignals(); if ((fi = rpmteFI(p)) == NULL) continue; /* XXX can't happen */ (void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); rpmfiFpLookup(fi, fpc); /* collect symbolic links */ fi = rpmfiInit(fi, 0); while ((i = rpmfiNext(fi)) >= 0) { struct rpmffi_s ffi; char const *linktarget; linktarget = rpmfiFLink(fi); if (!(linktarget && *linktarget != '\0')) continue; if (XFA_SKIPPING(rpmfsGetAction(rpmteGetFileStates(p), i))) continue; ffi.p = p; ffi.fileno = i; rpmFpHashAddEntry(symlinks, rpmfiFpsIndex(fi, i), ffi); } (void) rpmswExit(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), rpmfiFC(fi)); } rpmtsiFree(pi); /* =============================================== * Check fingerprints if they contain symlinks * and add them to the hash table */ pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, 0)) != NULL) { (void) rpmdbCheckSignals(); fi = rpmfiInit(rpmteFI(p), 0); (void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); while ((i = rpmfiNext(fi)) >= 0) { if (XFA_SKIPPING(rpmfsGetAction(rpmteGetFileStates(p), i))) continue; fpLookupSubdir(symlinks, ht, fpc, p, i); } (void) rpmswExit(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); } rpmtsiFree(pi); rpmFpHashFree(symlinks); }
int rpmtsRun(rpmts ts, rpmps okProbs, rpmprobFilterFlags ignoreSet) { rpm_color_t tscolor = rpmtsColor(ts); int i; int rc = 0; int totalFileCount = 0; rpmfi fi; fingerPrintCache fpc; rpmps ps; rpmtsi pi; rpmte p; int numAdded; int numRemoved; void * lock = NULL; int xx; /* XXX programmer error segfault avoidance. */ if (rpmtsNElements(ts) <= 0) return -1; /* If we are in test mode, then there's no need for transaction lock. */ if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_TEST)) { lock = rpmtsAcquireLock(ts); if (lock == NULL) return -1; /* XXX W2DO? */ } if (rpmtsFlags(ts) & RPMTRANS_FLAG_NOSCRIPTS) (void) rpmtsSetFlags(ts, (rpmtsFlags(ts) | _noTransScripts | _noTransTriggers)); if (rpmtsFlags(ts) & RPMTRANS_FLAG_NOTRIGGERS) (void) rpmtsSetFlags(ts, (rpmtsFlags(ts) | _noTransTriggers)); if (rpmtsFlags(ts) & RPMTRANS_FLAG_JUSTDB) (void) rpmtsSetFlags(ts, (rpmtsFlags(ts) | _noTransScripts | _noTransTriggers)); /* if SELinux isn't enabled or init fails, don't bother... */ if (!rpmtsSELinuxEnabled(ts)) { rpmtsSetFlags(ts, (rpmtsFlags(ts) | RPMTRANS_FLAG_NOCONTEXTS)); } if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS)) { char *fn = rpmGetPath("%{?_install_file_context_path}", NULL); if (matchpathcon_init(fn) == -1) { rpmtsSetFlags(ts, (rpmtsFlags(ts) | RPMTRANS_FLAG_NOCONTEXTS)); } free(fn); } ts->probs = rpmpsFree(ts->probs); ts->probs = rpmpsCreate(); /* XXX Make sure the database is open RDWR for package install/erase. */ { int dbmode = (rpmtsFlags(ts) & RPMTRANS_FLAG_TEST) ? O_RDONLY : (O_RDWR|O_CREAT); /* Open database RDWR for installing packages. */ if (rpmtsOpenDB(ts, dbmode)) { rpmtsFreeLock(lock); return -1; /* XXX W2DO? */ } } ts->ignoreSet = ignoreSet; { char * currDir = rpmGetCwd(); rpmtsSetCurrDir(ts, currDir); currDir = _free(currDir); } (void) rpmtsSetChrootDone(ts, 0); { rpm_tid_t tid = (rpm_tid_t) time(NULL); (void) rpmtsSetTid(ts, tid); } /* Get available space on mounted file systems. */ xx = rpmtsInitDSI(ts); /* =============================================== * For packages being installed: * - verify package arch/os. * - verify package epoch:version-release is newer. * - count files. * For packages being removed: * - count files. */ rpmlog(RPMLOG_DEBUG, "sanity checking %d elements\n", rpmtsNElements(ts)); ps = rpmtsProblems(ts); /* The ordering doesn't matter here */ pi = rpmtsiInit(ts); /* XXX Only added packages need be checked. */ while ((p = rpmtsiNext(pi, TR_ADDED)) != NULL) { rpmdbMatchIterator mi; int fc; if ((fi = rpmteFI(p)) == NULL) continue; /* XXX can't happen */ fc = rpmfiFC(fi); if (!(rpmtsFilterFlags(ts) & RPMPROB_FILTER_IGNOREARCH)) if (!archOkay(rpmteA(p))) rpmpsAppend(ps, RPMPROB_BADARCH, rpmteNEVRA(p), rpmteKey(p), rpmteA(p), NULL, NULL, 0); if (!(rpmtsFilterFlags(ts) & RPMPROB_FILTER_IGNOREOS)) if (!osOkay(rpmteO(p))) rpmpsAppend(ps, RPMPROB_BADOS, rpmteNEVRA(p), rpmteKey(p), rpmteO(p), NULL, NULL, 0); if (!(rpmtsFilterFlags(ts) & RPMPROB_FILTER_OLDPACKAGE)) { Header h; mi = rpmtsInitIterator(ts, RPMTAG_NAME, rpmteN(p), 0); while ((h = rpmdbNextIterator(mi)) != NULL) xx = ensureOlder(ts, p, h); mi = rpmdbFreeIterator(mi); } if (!(rpmtsFilterFlags(ts) & RPMPROB_FILTER_REPLACEPKG)) { mi = rpmtsInitIterator(ts, RPMTAG_NAME, rpmteN(p), 0); xx = rpmdbSetIteratorRE(mi, RPMTAG_EPOCH, RPMMIRE_STRCMP, rpmteE(p)); xx = rpmdbSetIteratorRE(mi, RPMTAG_VERSION, RPMMIRE_STRCMP, rpmteV(p)); xx = rpmdbSetIteratorRE(mi, RPMTAG_RELEASE, RPMMIRE_STRCMP, rpmteR(p)); if (tscolor) { xx = rpmdbSetIteratorRE(mi, RPMTAG_ARCH, RPMMIRE_STRCMP, rpmteA(p)); xx = rpmdbSetIteratorRE(mi, RPMTAG_OS, RPMMIRE_STRCMP, rpmteO(p)); } while (rpmdbNextIterator(mi) != NULL) { rpmpsAppend(ps, RPMPROB_PKG_INSTALLED, rpmteNEVRA(p), rpmteKey(p), NULL, NULL, NULL, 0); break; } mi = rpmdbFreeIterator(mi); } /* Count no. of files (if any). */ totalFileCount += fc; } pi = rpmtsiFree(pi); ps = rpmpsFree(ps); /* The ordering doesn't matter here */ pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, TR_REMOVED)) != NULL) { int fc; if ((fi = rpmteFI(p)) == NULL) continue; /* XXX can't happen */ fc = rpmfiFC(fi); totalFileCount += fc; } pi = rpmtsiFree(pi); /* Run pre-transaction scripts, but only if there are no known * problems up to this point and not disabled otherwise. */ if (!((rpmtsFlags(ts) & (RPMTRANS_FLAG_BUILD_PROBS|RPMTRANS_FLAG_TEST|RPMTRANS_FLAG_NOPRE)) || (rpmpsNumProblems(ts->probs) && (okProbs == NULL || rpmpsTrim(ts->probs, okProbs))))) { rpmlog(RPMLOG_DEBUG, "running pre-transaction scripts\n"); runTransScripts(ts, RPMTAG_PRETRANS); } /* =============================================== * Initialize transaction element file info for package: */ /* * FIXME?: we'd be better off assembling one very large file list and * calling fpLookupList only once. I'm not sure that the speedup is * worth the trouble though. */ rpmlog(RPMLOG_DEBUG, "computing %d file fingerprints\n", totalFileCount); numAdded = numRemoved = 0; pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, 0)) != NULL) { int fc; if ((fi = rpmteFI(p)) == NULL) continue; /* XXX can't happen */ fc = rpmfiFC(fi); switch (rpmteType(p)) { case TR_ADDED: numAdded++; /* Skip netshared paths, not our i18n files, and excluded docs */ if (fc > 0) skipFiles(ts, p); break; case TR_REMOVED: numRemoved++; break; } } pi = rpmtsiFree(pi); if (!rpmtsChrootDone(ts)) { const char * rootDir = rpmtsRootDir(ts); xx = chdir("/"); if (rootDir != NULL && strcmp(rootDir, "/") && *rootDir == '/') { /* opening db before chroot not optimal, see rhbz#103852 c#3 */ xx = rpmdbOpenAll(ts->rdb); if (chroot(rootDir) == -1) { rpmlog(RPMLOG_ERR, _("Unable to change root directory: %m\n")); return -1; } } (void) rpmtsSetChrootDone(ts, 1); } ts->ht = rpmFpHashCreate(totalFileCount/2+1, fpHashFunction, fpEqual, NULL, NULL); rpmFpHash symlinks = rpmFpHashCreate(totalFileCount/16+16, fpHashFunction, fpEqual, NULL, NULL); fpc = fpCacheCreate(totalFileCount/2 + 10001); /* =============================================== * Add fingerprint for each file not skipped. */ pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, 0)) != NULL) { int fc; (void) rpmdbCheckSignals(); if ((fi = rpmteFI(p)) == NULL) continue; /* XXX can't happen */ fc = rpmfiFC(fi); (void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); rpmfiFpLookup(fi, fpc); /* collect symbolic links */ fi = rpmfiInit(fi, 0); if (fi != NULL) /* XXX lclint */ while ((i = rpmfiNext(fi)) >= 0) { struct rpmffi_s ffi; char const *linktarget; linktarget = rpmfiFLink(fi); if (!(linktarget && *linktarget != '\0')) continue; if (XFA_SKIPPING(rpmfsGetAction(rpmteGetFileStates(p), i))) continue; ffi.p = p; ffi.fileno = i; rpmFpHashAddEntry(symlinks, rpmfiFpsIndex(fi, i), ffi); } (void) rpmswExit(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), fc); } pi = rpmtsiFree(pi); /* =============================================== * Check fingerprints if they contain symlinks * and add them to the ts->ht hash table */ pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, 0)) != NULL) { (void) rpmdbCheckSignals(); if ((fi = rpmteFI(p)) == NULL) continue; /* XXX can't happen */ fi = rpmfiInit(fi, 0); (void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); if (fi != NULL) /* XXX lclint */ while ((i = rpmfiNext(fi)) >= 0) { if (XFA_SKIPPING(rpmfsGetAction(rpmteGetFileStates(p), i))) continue; fpLookupSubdir(symlinks, ts->ht, fpc, p, i); } (void) rpmswExit(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); } pi = rpmtsiFree(pi); rpmFpHashFree(symlinks); /* =============================================== * Compute file disposition for each package in transaction set. */ rpmtsNotify(ts, NULL, RPMCALLBACK_TRANS_START, 6, ts->orderCount); /* check against files in the rpmdb */ checkInstalledFiles(ts, fpc); pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, 0)) != NULL) { if ((fi = rpmteFI(p)) == NULL) continue; /* XXX can't happen */ (void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); /* check files in ts against each other and update disk space needs on each partition for this package. */ handleOverlappedFiles(ts, p, fi); /* Check added package has sufficient space on each partition used. */ if (rpmteType(p) == TR_ADDED) { rpmtsCheckDSIProblems(ts, p); } (void) rpmswExit(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); } pi = rpmtsiFree(pi); if (rpmtsChrootDone(ts)) { const char * rootDir = rpmtsRootDir(ts); const char * currDir = rpmtsCurrDir(ts); if (rootDir != NULL && strcmp(rootDir, "/") && *rootDir == '/') xx = chroot("."); (void) rpmtsSetChrootDone(ts, 0); if (currDir != NULL) xx = chdir(currDir); } rpmtsNotify(ts, NULL, RPMCALLBACK_TRANS_STOP, 6, ts->orderCount); /* =============================================== * Free unused memory as soon as possible. */ pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, 0)) != NULL) { rpmteSetFI(p, NULL); } pi = rpmtsiFree(pi); fpc = fpCacheFree(fpc); ts->ht = rpmFpHashFree(ts->ht); /* =============================================== * If unfiltered problems exist, free memory and return. */ if ((rpmtsFlags(ts) & RPMTRANS_FLAG_BUILD_PROBS) || (rpmpsNumProblems(ts->probs) && (okProbs == NULL || rpmpsTrim(ts->probs, okProbs))) ) { rpmtsFreeLock(lock); return ts->orderCount; } /* Actually install and remove packages */ rc = rpmtsProcess(ts); if (!(rpmtsFlags(ts) & (RPMTRANS_FLAG_TEST|RPMTRANS_FLAG_NOPOST))) { rpmlog(RPMLOG_DEBUG, "running post-transaction scripts\n"); runTransScripts(ts, RPMTAG_POSTTRANS); } if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS)) { matchpathcon_fini(); } rpmtsFreeLock(lock); /* FIX: ts->flList may be NULL */ if (rc) return -1; else return 0; }
void fpCachePopulate(fingerPrintCache fpc, rpmts ts, int fileCount) { rpmtsi pi; rpmte p; rpmfs fs; rpmfiles fi; int i, fc; if (fpc->fp == NULL) fpc->fp = rpmFpHashCreate(fileCount/2 + 10001, fpHashFunction, fpEqual, NULL, NULL); rpmFpHash symlinks = rpmFpHashCreate(fileCount/16+16, fpHashFunction, fpEqual, NULL, NULL); pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, 0)) != NULL) { fingerPrint *fpList; (void) rpmdbCheckSignals(); if ((fi = rpmteFiles(p)) == NULL) continue; /* XXX can't happen */ (void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); rpmfilesFpLookup(fi, fpc); fs = rpmteGetFileStates(p); fc = rpmfsFC(fs); fpList = rpmfilesFps(fi); /* collect symbolic links */ for (i = 0; i < fc; i++) { struct rpmffi_s ffi; char const *linktarget; if (XFA_SKIPPING(rpmfsGetAction(fs, i))) continue; linktarget = rpmfilesFLink(fi, i); if (!(linktarget && *linktarget != '\0')) continue; ffi.p = p; ffi.fileno = i; rpmFpHashAddEntry(symlinks, fpList + i, ffi); } (void) rpmswExit(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), fc); rpmfilesFree(fi); } rpmtsiFree(pi); /* =============================================== * Check fingerprints if they contain symlinks * and add them to the hash table */ pi = rpmtsiInit(ts); while ((p = rpmtsiNext(pi, 0)) != NULL) { (void) rpmdbCheckSignals(); fs = rpmteGetFileStates(p); fc = rpmfsFC(fs); (void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); for (i = 0; i < fc; i++) { if (XFA_SKIPPING(rpmfsGetAction(fs, i))) continue; fpLookupSubdir(symlinks, fpc, p, i); } (void) rpmswExit(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0); } rpmtsiFree(pi); rpmFpHashFree(symlinks); }
/* Check file for to be installed symlinks in their path and correct their fp */ static void fpLookupSubdir(rpmFpHash symlinks, fingerPrintCache fpc, rpmte p, int filenr) { rpmfiles fi = rpmteFiles(p); struct fingerPrint_s current_fp; const char *currentsubdir; size_t lensubDir, bnStart, bnEnd; struct rpmffi_s * recs; int numRecs; int i; fingerPrint *fp = rpmfilesFps(fi) + filenr; int symlinkcount = 0; struct rpmffi_s ffi = { p, filenr}; if (fp->subDirId == 0) { rpmFpHashAddEntry(fpc->fp, fp, ffi); goto exit; } currentsubdir = rpmstrPoolStr(fpc->pool, fp->subDirId); lensubDir = rpmstrPoolStrlen(fpc->pool, fp->subDirId); current_fp = *fp; /* Set baseName to the upper most dir */ bnStart = bnEnd = 1; while (bnEnd < lensubDir && currentsubdir[bnEnd] != '/') bnEnd++; /* no subDir for now */ current_fp.subDirId = 0; while (bnEnd < lensubDir) { char found = 0; current_fp.baseNameId = rpmstrPoolIdn(fpc->pool, currentsubdir + bnStart, bnEnd - bnStart, 1); rpmFpHashGetEntry(symlinks, ¤t_fp, &recs, &numRecs, NULL); for (i = 0; i < numRecs; i++) { rpmfiles foundfi = rpmteFiles(recs[i].p); char const *linktarget = rpmfilesFLink(foundfi, recs[i].fileno); char *link; /* Ignore already removed (by eg %pretrans) links */ if (linktarget && rpmteType(recs[i].p) == TR_REMOVED) { char *path = rpmfilesFN(foundfi, recs[i].fileno); struct stat sb; if (lstat(path, &sb) == -1) linktarget = NULL; free(path); } foundfi = rpmfilesFree(foundfi); if (linktarget && *linktarget != '\0') { const char *bn; /* this "directory" is a symlink */ link = NULL; if (*linktarget != '/') { const char *dn, *subDir = NULL; dn = rpmstrPoolStr(fpc->pool, current_fp.entry->dirId); if (current_fp.subDirId) { subDir = rpmstrPoolStr(fpc->pool, current_fp.subDirId); } rstrscat(&link, dn, subDir ? subDir : "", "/", NULL); } rstrscat(&link, linktarget, "/", NULL); if (strlen(currentsubdir + bnEnd)) { rstrscat(&link, currentsubdir + bnEnd, NULL); } bn = rpmstrPoolStr(fpc->pool, fp->baseNameId); doLookup(fpc, link, bn, fp); free(link); symlinkcount++; /* setup current_fp for the new path */ found = 1; current_fp = *fp; if (fp->subDirId == 0) { /* directory exists - no need to look for symlinks */ rpmFpHashAddEntry(fpc->fp, fp, ffi); goto exit; } currentsubdir = rpmstrPoolStr(fpc->pool, fp->subDirId); lensubDir = rpmstrPoolStrlen(fpc->pool, fp->subDirId); /* no subDir for now */ current_fp.subDirId = 0; /* Set baseName to the upper most dir */ bnStart = bnEnd = 1; while (bnEnd < lensubDir && currentsubdir[bnEnd] != '/') bnEnd++; break; } } if (symlinkcount > 50) { // found too many symlinks in the path // most likley a symlink cicle // giving up // TODO warning/error break; } if (found) { continue; // restart loop after symlink } /* Set former baseName as subDir */ bnEnd++; current_fp.subDirId = rpmstrPoolIdn(fpc->pool, currentsubdir, bnEnd, 1); /* set baseName to the next lower dir */ bnStart = bnEnd; while (bnEnd < lensubDir && currentsubdir[bnEnd] != '/') bnEnd++; } rpmFpHashAddEntry(fpc->fp, fp, ffi); exit: rpmfilesFree(fi); }