Ejemplo n.º 1
0
/* 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);
}
Ejemplo n.º 2
0
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;
}
Ejemplo n.º 3
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);
}
Ejemplo n.º 4
0
/* 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, &current_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);
}