Example #1
0
/*
 * Elf files can be "colored", and if enabled in the transaction, the
 * color can be used to resolve conflicts between elf-64bit and elf-32bit
 * files to the hosts preferred type, by default 64bit. The non-preferred
 * type is overwritten or never installed at all and thus the conflict
 * magically disappears. This is infamously nasty "rpm magic" and entirely
 * unnecessary with careful packaging.
 */
static int handleColorConflict(rpmts ts,
			       rpmfs fs, rpmfiles fi, int fx,
			       rpmfs ofs, rpmfiles ofi, int ofx)
{
    int rConflicts = 1;
    rpm_color_t tscolor = rpmtsColor(ts);

    if (tscolor != 0) {
	rpm_color_t fcolor = rpmfilesFColor(fi, fx) & tscolor;
	rpm_color_t ofcolor = rpmfilesFColor(ofi, ofx) & tscolor;

	if (fcolor != 0 && ofcolor != 0 && fcolor != ofcolor) {
	    rpm_color_t prefcolor = rpmtsPrefColor(ts);

	    if (fcolor & prefcolor) {
		if (ofs && !XFA_SKIPPING(rpmfsGetAction(fs, fx)))
		    rpmfsSetAction(ofs, ofx, FA_SKIPCOLOR);
		rpmfsSetAction(fs, fx, FA_CREATE);
		rConflicts = 0;
	    } else if (ofcolor & prefcolor) {
		if (ofs && XFA_SKIPPING(rpmfsGetAction(fs, fx)))
		    rpmfsSetAction(ofs, ofx, FA_CREATE);
		rpmfsSetAction(fs, fx, FA_SKIPCOLOR);
		rConflicts = 0;
	    }
	}
    }

    return rConflicts;
}
Example #2
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);
}
Example #3
0
/* XXX only ts->{probs,rpmdb} modified */
static void handleInstInstalledFile(const rpmts ts, rpmte p, rpmfi fi,
				   Header otherHeader, rpmfi otherFi,
				   int beingRemoved)
{
    unsigned int fx = rpmfiFX(fi);
    rpmfs fs = rpmteGetFileStates(p);
    int isCfgFile = ((rpmfiFFlags(otherFi) | rpmfiFFlags(fi)) & RPMFILE_CONFIG);

    if (XFA_SKIPPING(rpmfsGetAction(fs, fx)))
	return;

    if (rpmfiCompare(otherFi, fi)) {
	rpm_color_t tscolor = rpmtsColor(ts);
	rpm_color_t prefcolor = rpmtsPrefColor(ts);
	rpm_color_t FColor = rpmfiFColor(fi) & tscolor;
	rpm_color_t oFColor = rpmfiFColor(otherFi) & tscolor;
	int rConflicts;
	char rState = RPMFILE_STATE_REPLACED;

	rConflicts = !(beingRemoved || (rpmtsFilterFlags(ts) & RPMPROB_FILTER_REPLACEOLDFILES));
	/* Resolve file conflicts to prefer Elf64 (if not forced). */
	if (tscolor != 0 && FColor != 0 && oFColor != 0 && FColor != oFColor) {
	    if (oFColor & prefcolor) {
		rpmfsSetAction(fs, fx, FA_SKIPCOLOR);
		rConflicts = 0;
	    } else if (FColor & prefcolor) {
		rpmfsSetAction(fs, fx, FA_CREATE);
		rConflicts = 0;
		rState = RPMFILE_STATE_WRONGCOLOR;
	    }
	}

	if (rConflicts) {
	    char *altNEVR = headerGetAsString(otherHeader, RPMTAG_NEVRA);
	    rpmteAddProblem(p, RPMPROB_FILE_CONFLICT, altNEVR, rpmfiFN(fi),
			    headerGetInstance(otherHeader));
	    free(altNEVR);
	}

	/* Save file identifier to mark as state REPLACED. */
	if ( !(isCfgFile || XFA_SKIPPING(rpmfsGetAction(fs, fx))) ) {
	    if (!beingRemoved)
		rpmfsAddReplaced(rpmteGetFileStates(p), rpmfiFX(fi), rState,
				 headerGetInstance(otherHeader),
				 rpmfiFX(otherFi));
	}
    }

    /* Determine config file dispostion, skipping missing files (if any). */
    if (isCfgFile) {
	int skipMissing = ((rpmtsFlags(ts) & RPMTRANS_FLAG_ALLFILES) ? 0 : 1);
	rpmFileAction action = rpmfiDecideFate(otherFi, fi, skipMissing);
	rpmfsSetAction(fs, fx, action);
    }
    rpmfiSetFReplacedSize(fi, rpmfiFSize(otherFi));
}
Example #4
0
/**
 * Skip any files that do not match install policies.
 * @param ts		transaction set
 * @param files		file info set
 * @param fs		file states
 */
static void skipInstallFiles(const rpmts ts, rpmfiles files, rpmfs fs)
{
    rpm_color_t tscolor = rpmtsColor(ts);
    rpm_color_t FColor;
    int noConfigs = (rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONFIGS);
    int noDocs = (rpmtsFlags(ts) & RPMTRANS_FLAG_NODOCS);
    int * drc;
    char * dff;
    int dc;
    int i, j, ix;
    rpmfi fi = rpmfilesIter(files, RPMFI_ITER_FWD);

    if (!noDocs)
	noDocs = rpmExpandNumeric("%{_excludedocs}");

    /* Compute directory refcount, skip directory if now empty. */
    dc = rpmfiDC(fi);
    drc = xcalloc(dc, sizeof(*drc));
    dff = xcalloc(dc, sizeof(*dff));

    fi = rpmfiInit(fi, 0);
    while ((i = rpmfiNext(fi)) >= 0) {
	char ** nsp;
	const char *flangs;

	ix = rpmfiDX(fi);
	drc[ix]++;

	/* Don't bother with skipped files */
	if (XFA_SKIPPING(rpmfsGetAction(fs, i))) {
	    drc[ix]--; dff[ix] = 1;
	    continue;
	}

	/* Ignore colored files not in our rainbow. */
	FColor = rpmfiFColor(fi);
	if (tscolor && FColor && !(tscolor & FColor)) {
	    drc[ix]--;	dff[ix] = 1;
	    rpmfsSetAction(fs, i, FA_SKIPCOLOR);
	    continue;
	}

	/*
	 * Skip net shared paths.
	 * Net shared paths are not relative to the current root (though
	 * they do need to take package relocations into account).
	 */
	if (ts->netsharedPaths) {
	    nsp = matchNetsharedpath(ts, fi);
	    if (nsp && *nsp) {
		drc[ix]--;	dff[ix] = 1;
		rpmfsSetAction(fs, i, FA_SKIPNETSHARED);
		continue;
	    }
	}

	/*
	 * Skip i18n language specific files.
	 */
	flangs = (ts->installLangs != NULL) ? rpmfiFLangs(fi) : NULL;
	if (flangs != NULL && *flangs != '\0') {
	    const char *l, *le;
	    char **lang;
	    for (lang = ts->installLangs; *lang != NULL; lang++) {
		for (l = flangs; *l != '\0'; l = le) {
		    for (le = l; *le != '\0' && *le != '|'; le++)
			{};
		    if ((le-l) > 0 && rstreqn(*lang, l, (le-l)))
			break;
		    if (*le == '|') le++;	/* skip over | */
		}
		if (*l != '\0')
		    break;
	    }
	    if (*lang == NULL) {
		drc[ix]--;	dff[ix] = 1;
		rpmfsSetAction(fs, i, FA_SKIPNSTATE);
		continue;
	    }
	}

	/*
	 * Skip config files if requested.
	 */
	if (noConfigs && (rpmfiFFlags(fi) & RPMFILE_CONFIG)) {
	    drc[ix]--;	dff[ix] = 1;
	    rpmfsSetAction(fs, i, FA_SKIPNSTATE);
	    continue;
	}

	/*
	 * Skip documentation if requested.
	 */
	if (noDocs && (rpmfiFFlags(fi) & RPMFILE_DOC)) {
	    drc[ix]--;	dff[ix] = 1;
	    rpmfsSetAction(fs, i, FA_SKIPNSTATE);
	    continue;
	}
    }

    /* Skip (now empty) directories that had skipped files. */
    /* Iterate over dirs in reversed order to solve subdirs at first */
    for (j = dc - 1; j >= 0; j--) {
	const char * dn, * bn;
	size_t dnlen, bnlen;

	if (drc[j]) continue;	/* dir still has files. */
	if (!dff[j]) continue;	/* dir was not emptied here. */
	
	/* Find parent directory and basename. */
	dn = rpmfilesDN(files, j); dnlen = strlen(dn) - 1;
	bn = dn + dnlen;	bnlen = 0;
	while (bn > dn && bn[-1] != '/') {
		bnlen++;
		dnlen--;
		bn--;
	}

	/* If explicitly included in the package, skip the directory. */
	fi = rpmfiInit(fi, 0);
	while ((i = rpmfiNext(fi)) >= 0) {
	    const char * fdn, * fbn;
	    rpm_mode_t fFMode;

	    if (XFA_SKIPPING(rpmfsGetAction(fs, i)))
		continue;

	    fFMode = rpmfiFMode(fi);

	    if (rpmfiWhatis(fFMode) != XDIR)
		continue;
	    fdn = rpmfiDN(fi);
	    if (strlen(fdn) != dnlen)
		continue;
	    if (!rstreqn(fdn, dn, dnlen))
		continue;
	    fbn = rpmfiBN(fi);
	    if (strlen(fbn) != bnlen)
		continue;
	    if (!rstreqn(fbn, bn, bnlen))
		continue;
	    rpmlog(RPMLOG_DEBUG, "excluding directory %s\n", dn);
	    rpmfsSetAction(fs, i, FA_SKIPNSTATE);
	    ix = rpmfiDX(fi);
	    /* Decrease count of files for parent directory */
	    drc[ix]--;
	    /* Mark directory because something was removed from them */
	    dff[ix] = 1;
	    break;
	}
    }

    free(drc);
    free(dff);
    rpmfiFree(fi);
}
Example #5
0
/* XXX only ts->{probs,di} modified */
static void handleOverlappedFiles(rpmts ts, fingerPrintCache fpc, rpmte p, rpmfiles fi)
{
    rpm_loff_t fixupSize = 0;
    int i, j;
    rpmfs fs = rpmteGetFileStates(p);
    rpmfs otherFs;
    rpm_count_t fc = rpmfilesFC(fi);
    int reportConflicts = !(rpmtsFilterFlags(ts) & RPMPROB_FILTER_REPLACENEWFILES);
    fingerPrint * fpList = rpmfilesFps(fi);

    for (i = 0; i < fc; i++) {
	struct fingerPrint_s * fiFps;
	int otherPkgNum, otherFileNum;
	rpmfiles otherFi;
	rpmte otherTe;
	rpmfileAttrs FFlags;
	struct rpmffi_s * recs;
	int numRecs;

	if (XFA_SKIPPING(rpmfsGetAction(fs, i)))
	    continue;

	FFlags = rpmfilesFFlags(fi, i);

	fixupSize = 0;

	/*
	 * Retrieve all records that apply to this file. Note that the
	 * file info records were built in the same order as the packages
	 * will be installed and removed so the records for an overlapped
	 * files will be sorted in exactly the same order.
	 */
	fiFps = fpCacheGetByFp(fpc, fpList, i, &recs, &numRecs);

	/*
	 * If this package is being added, look only at other packages
	 * being added -- removed packages dance to a different tune.
	 *
	 * If both this and the other package are being added, overlapped
	 * files must be identical (or marked as a conflict). The
	 * disposition of already installed config files leads to
	 * a small amount of extra complexity.
	 *
	 * If this package is being removed, then there are two cases that
	 * need to be worried about:
	 * If the other package is being added, then skip any overlapped files
	 * so that this package removal doesn't nuke the overlapped files
	 * that were just installed.
	 * If both this and the other package are being removed, then each
	 * file removal from preceding packages needs to be skipped so that
	 * the file removal occurs only on the last occurrence of an overlapped
	 * file in the transaction set.
	 *
	 */

	/*
	 * Locate this overlapped file in the set of added/removed packages,
	 * including the package owning it: a package can have self-conflicting
	 * files when directory symlinks are present. Don't compare a file
	 * with itself though...
	 */
	for (j = 0; j < numRecs && !(recs[j].p == p && recs[j].fileno == i); j++)
	    {};

	/* Find what the previous disposition of this file was. */
	otherFileNum = -1;			/* keep gcc quiet */
	otherFi = NULL;
	otherTe = NULL;
	otherFs = NULL;

	for (otherPkgNum = j - 1; otherPkgNum >= 0; otherPkgNum--) {
	    otherTe = recs[otherPkgNum].p;
	    otherFileNum = recs[otherPkgNum].fileno;
	    otherFs = rpmteGetFileStates(otherTe);

	    /* Added packages need only look at other added packages. */
	    if (rpmteType(p) == TR_ADDED && rpmteType(otherTe) != TR_ADDED)
		continue;

	    /* XXX Happens iff fingerprint for incomplete package install. */
	    if (rpmfsGetAction(otherFs, otherFileNum) != FA_UNKNOWN) {
		otherFi = rpmteFiles(otherTe);
		break;
	    }
	}

	switch (rpmteType(p)) {
	case TR_ADDED:
	    if (otherPkgNum < 0) {
		/* XXX is this test still necessary? */
		rpmFileAction action;
		if (rpmfsGetAction(fs, i) != FA_UNKNOWN)
		    break;
		if (rpmfilesConfigConflict(fi, i)) {
		    /* Here is a non-overlapped pre-existing config file. */
		    action = (FFlags & RPMFILE_NOREPLACE) ?
			      FA_ALTNAME : FA_BACKUP;
		} else {
		    action = FA_CREATE;
		}
		rpmfsSetAction(fs, i, action);
		break;
	    }

assert(otherFi != NULL);
	    /* Mark added overlapped non-identical files as a conflict. */
	    if (rpmfilesCompare(otherFi, otherFileNum, fi, i)) {
		int rConflicts;

		/* If enabled, resolve colored conflicts to preferred type */
		rConflicts = handleColorConflict(ts, fs, fi, i,
						otherFs, otherFi, otherFileNum);

		if (rConflicts && reportConflicts) {
		    char *fn = rpmfilesFN(fi, i);
		    rpmteAddProblem(p, RPMPROB_NEW_FILE_CONFLICT,
				    rpmteNEVRA(otherTe), fn, 0);
		    free(fn);
		}
	    } else {
		/* Skip create on all but the first instance of a shared file */
		rpmFileAction oaction = rpmfsGetAction(otherFs, otherFileNum);
		if (oaction != FA_UNKNOWN && !XFA_SKIPPING(oaction)) {
		    rpmfileAttrs oflags;
		    /* ...but ghosts aren't really created so... */
		    oflags = rpmfilesFFlags(otherFi, otherFileNum);
		    if (!(oflags & RPMFILE_GHOST)) {
			rpmfsSetAction(fs, i, FA_SKIP);
		    }
		/* if the other file is color skipped then skip this file too */
		} else if (oaction == FA_SKIPCOLOR) {
		    rpmfsSetAction(fs, i, FA_SKIPCOLOR);
		}
	    }

	    /* Skipped files dont need fixup size or backups, %config or not */
	    if (XFA_SKIPPING(rpmfsGetAction(fs, i)))
		break;

	    /* Try to get the disk accounting correct even if a conflict. */
	    fixupSize = rpmfilesFSize(otherFi, otherFileNum);

	    if (rpmfilesConfigConflict(fi, i)) {
		/* Here is an overlapped  pre-existing config file. */
		rpmFileAction action;
		action = (FFlags & RPMFILE_NOREPLACE) ? FA_ALTNAME : FA_SKIP;
		rpmfsSetAction(fs, i, action);
	    } else {
		/* If not decided yet, create it */
		if (rpmfsGetAction(fs, i) == FA_UNKNOWN)
		    rpmfsSetAction(fs, i, FA_CREATE);
	    }
	    break;

	case TR_REMOVED:
	    if (otherPkgNum >= 0) {
		assert(otherFi != NULL);
                /* Here is an overlapped added file we don't want to nuke. */
		if (rpmfsGetAction(otherFs, otherFileNum) != FA_ERASE) {
		    /* On updates, don't remove files. */
		    rpmfsSetAction(fs, i, FA_SKIP);
		    break;
		}
		/* Here is an overlapped removed file: skip in previous. */
		rpmfsSetAction(otherFs, otherFileNum, FA_SKIP);
	    }
	    if (XFA_SKIPPING(rpmfsGetAction(fs, i)))
		break;
	    if (rpmfilesFState(fi, i) != RPMFILE_STATE_NORMAL)
		break;
		
	    /* Pre-existing modified config files need to be saved. */
	    if (rpmfilesConfigConflict(fi, i)) {
		rpmfsSetAction(fs, i, FA_SAVE);
		break;
	    }
	
	    /* Otherwise, we can just erase. */
	    rpmfsSetAction(fs, i, FA_ERASE);
	    break;
	}
	rpmfilesFree(otherFi);

	/* Update disk space info for a file. */
	rpmtsUpdateDSI(ts, fpEntryDev(fpc, fiFps), fpEntryDir(fpc, fiFps),
		       rpmfilesFSize(fi, i), rpmfilesFReplacedSize(fi, i),
		       fixupSize, rpmfsGetAction(fs, i));

    }
}
Example #6
0
/* XXX only ts->{probs,rpmdb} modified */
static void handleInstInstalledFile(const rpmts ts, rpmte p, rpmfiles fi, int fx,
				   Header otherHeader, rpmfiles otherFi, int ofx,
				   int beingRemoved)
{
    rpmfs fs = rpmteGetFileStates(p);
    int isCfgFile = ((rpmfilesFFlags(otherFi, ofx) | rpmfilesFFlags(fi, fx)) & RPMFILE_CONFIG);

    if (XFA_SKIPPING(rpmfsGetAction(fs, fx)))
	return;

    if (rpmfilesCompare(otherFi, ofx, fi, fx)) {
	int rConflicts = 1;
	char rState = RPMFILE_STATE_REPLACED;

	/*
	 * There are some removal conflicts we can't handle. However
	 * if the package has a %pretrans scriptlet, it might be able to
	 * fix the conflict. Let it through on test-transaction to allow
	 * eg yum to get past it, if the conflict is present on the actual
	 * transaction we'll abort. Behaving differently on test is nasty,
	 * but its still better than barfing in middle of large transaction.
	 */
	if (beingRemoved) {
	    rConflicts = handleRemovalConflict(fi, fx, otherFi, ofx);
	    if (rConflicts && rpmteHaveTransScript(p, RPMTAG_PRETRANS)) {
		if (rpmtsFlags(ts) & RPMTRANS_FLAG_TEST)
		    rConflicts = 0;
	    }
	}

	if (rConflicts) {
	    /* If enabled, resolve colored conflicts to preferred type */
	    rConflicts = handleColorConflict(ts, fs, fi, fx,
					     NULL, otherFi, ofx);
	    /* If resolved, we need to adjust in-rpmdb state too */
	    if (rConflicts == 0 && rpmfsGetAction(fs, fx) == FA_CREATE)
		rState = RPMFILE_STATE_WRONGCOLOR;
	}

	/* Somebody used The Force, lets shut up... */
	if (rpmtsFilterFlags(ts) & RPMPROB_FILTER_REPLACEOLDFILES)
	    rConflicts = 0;

	if (rConflicts) {
	    char *altNEVR = headerGetAsString(otherHeader, RPMTAG_NEVRA);
	    char *fn = rpmfilesFN(fi, fx);
	    rpmteAddProblem(p, RPMPROB_FILE_CONFLICT, altNEVR, fn,
			    headerGetInstance(otherHeader));
	    free(fn);
	    free(altNEVR);
	}

	/* Save file identifier to mark as state REPLACED. */
	if ( !(isCfgFile || XFA_SKIPPING(rpmfsGetAction(fs, fx))) ) {
	    if (!beingRemoved)
		rpmfsAddReplaced(rpmteGetFileStates(p), fx, rState,
				 headerGetInstance(otherHeader), ofx);
	}
    }

    /* Determine config file disposition, skipping missing files (if any). */
    if (isCfgFile) {
	int skipMissing = ((rpmtsFlags(ts) & RPMTRANS_FLAG_ALLFILES) ? 0 : 1);
	rpmFileAction action;
	action = rpmfilesDecideFate(otherFi, ofx, fi, fx, skipMissing);
	rpmfsSetAction(fs, fx, action);
    }
    rpmfilesSetFReplacedSize(fi, fx, rpmfilesFSize(otherFi, ofx));
}
Example #7
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;
}
Example #8
0
/* XXX only ts->{probs,rpmdb} modified */
static int handleInstInstalledFile(const rpmts ts, rpmte p, rpmfi fi,
				   Header otherHeader, rpmfi otherFi,
				   int beingRemoved)
{
    rpm_color_t tscolor = rpmtsColor(ts);
    rpm_color_t prefcolor = rpmtsPrefColor(ts);
    rpm_color_t oFColor, FColor;
    char * altNEVR = NULL;
    rpmps ps;
    unsigned int fx = rpmfiFX(fi);
    rpmfs fs = rpmteGetFileStates(p);

    altNEVR = headerGetNEVRA(otherHeader, NULL);

    ps = rpmtsProblems(ts);
    int isCfgFile;

    oFColor = rpmfiFColor(otherFi);
    oFColor &= tscolor;

    FColor = rpmfiFColor(fi);
    FColor &= tscolor;

    isCfgFile = ((rpmfiFFlags(otherFi) | rpmfiFFlags(fi)) & RPMFILE_CONFIG);

    if (XFA_SKIPPING(rpmfsGetAction(fs, fx)))
	return 0;

    if (rpmfiCompare(otherFi, fi)) {
	int rConflicts;

	rConflicts = !(beingRemoved || (rpmtsFilterFlags(ts) & RPMPROB_FILTER_REPLACEOLDFILES));
	/* Resolve file conflicts to prefer Elf64 (if not forced). */
	if (tscolor != 0 && FColor != 0 && FColor != oFColor) {
	    if (oFColor & prefcolor) {
		rpmfsSetAction(fs, fx, FA_SKIPCOLOR);
		rConflicts = 0;
	    } else if (FColor & prefcolor) {
		rpmfsSetAction(fs, fx, FA_CREATE);
		rConflicts = 0;
	    }
	}

	if (rConflicts) {
	    rpmpsAppend(ps, RPMPROB_FILE_CONFLICT,
			rpmteNEVRA(p), rpmteKey(p),
			rpmfiDN(fi), rpmfiBN(fi),
			altNEVR,
			0);
	}

	/* Save file identifier to mark as state REPLACED. */
	if ( !(isCfgFile || XFA_SKIPPING(rpmfsGetAction(fs, fx))) ) {
	    if (!beingRemoved)
		rpmfsAddReplaced(rpmteGetFileStates(p), rpmfiFX(fi),
				 headerGetInstance(otherHeader),
				 rpmfiFX(otherFi));
	}
    }

    /* Determine config file dispostion, skipping missing files (if any). */
    if (isCfgFile) {
	int skipMissing =
	    ((rpmtsFlags(ts) & RPMTRANS_FLAG_ALLFILES) ? 0 : 1);
	rpmFileAction action = rpmfiDecideFate(otherFi, fi, skipMissing);
	rpmfsSetAction(fs, fx, action);
    }
    rpmfiSetFReplacedSize(fi, rpmfiFSize(otherFi));

    ps = rpmpsFree(ps);
    altNEVR = _free(altNEVR);
    return 0;
}
Example #9
0
/**
 * Skip any files that do not match install policies.
 * @param ts		transaction set
 * @param fi		file info set
 */
static void skipFiles(const rpmts ts, rpmte p)
{
    rpm_color_t tscolor = rpmtsColor(ts);
    rpm_color_t FColor;
    int noConfigs = (rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONFIGS);
    int noDocs = (rpmtsFlags(ts) & RPMTRANS_FLAG_NODOCS);
    const char * dn, * bn;
    size_t dnlen, bnlen;
    char * s;
    int * drc;
    char * dff;
    int dc;
    int i, j, ix;
    rpmfi fi = rpmteFI(p);
    rpmfs fs = rpmteGetFileStates(p);

    if (!noDocs)
	noDocs = rpmExpandNumeric("%{_excludedocs}");

    /* Compute directory refcount, skip directory if now empty. */
    dc = rpmfiDC(fi);
    drc = xcalloc(dc, sizeof(*drc));
    dff = xcalloc(dc, sizeof(*dff));

    fi = rpmfiInit(fi, 0);
    if (fi != NULL)	/* XXX lclint */
    while ((i = rpmfiNext(fi)) >= 0)
    {
	char ** nsp;
	const char *flangs;

	bn = rpmfiBN(fi);
	bnlen = strlen(bn);
	ix = rpmfiDX(fi);
	dn = rpmfiDN(fi);
	dnlen = strlen(dn);
	if (dn == NULL)
	    continue;	/* XXX can't happen */

	drc[ix]++;

	/* Don't bother with skipped files */
	if (XFA_SKIPPING(rpmfsGetAction(fs, i))) {
	    drc[ix]--; dff[ix] = 1;
	    continue;
	}

	/* Ignore colored files not in our rainbow. */
	FColor = rpmfiFColor(fi);
	if (tscolor && FColor && !(tscolor & FColor)) {
	    drc[ix]--;	dff[ix] = 1;
	    rpmfsSetAction(fs, i, FA_SKIPCOLOR);
	    continue;
	}

	/*
	 * Skip net shared paths.
	 * Net shared paths are not relative to the current root (though
	 * they do need to take package relocations into account).
	 */
	for (nsp = ts->netsharedPaths; nsp && *nsp; nsp++) {
	    size_t len;

	    len = strlen(*nsp);
	    if (dnlen >= len) {
		if (strncmp(dn, *nsp, len))
		    continue;
		/* Only directories or complete file paths can be net shared */
		if (!(dn[len] == '/' || dn[len] == '\0'))
		    continue;
	    } else {
		if (len < (dnlen + bnlen))
		    continue;
		if (strncmp(dn, *nsp, dnlen))
		    continue;
		/* Insure that only the netsharedpath basename is compared. */
		if ((s = strchr((*nsp) + dnlen, '/')) != NULL && s[1] != '\0')
		    continue;
		if (strncmp(bn, (*nsp) + dnlen, bnlen))
		    continue;
		len = dnlen + bnlen;
		/* Only directories or complete file paths can be net shared */
		if (!((*nsp)[len] == '/' || (*nsp)[len] == '\0'))
		    continue;
	    }

	    break;
	}

	if (nsp && *nsp) {
	    drc[ix]--;	dff[ix] = 1;
	    rpmfsSetAction(fs, i, FA_SKIPNETSHARED);
	    continue;
	}

	/*
	 * Skip i18n language specific files.
	 */
	if (ts->installLangs != NULL && (flangs = rpmfiFLangs(fi)) != NULL) {
	    const char *l, *le;
	    char **lang;
	    for (lang = ts->installLangs; *lang != NULL; lang++) {
		for (l = flangs; *l != '\0'; l = le) {
		    for (le = l; *le != '\0' && *le != '|'; le++)
			{};
		    if ((le-l) > 0 && !strncmp(*lang, l, (le-l)))
			break;
		    if (*le == '|') le++;	/* skip over | */
		}
		if (*l != '\0')
		    break;
	    }
	    if (*lang == NULL) {
		drc[ix]--;	dff[ix] = 1;
		rpmfsSetAction(fs, i, FA_SKIPNSTATE);
		continue;
	    }
	}

	/*
	 * Skip config files if requested.
	 */
	if (noConfigs && (rpmfiFFlags(fi) & RPMFILE_CONFIG)) {
	    drc[ix]--;	dff[ix] = 1;
	    rpmfsSetAction(fs, i, FA_SKIPNSTATE);
	    continue;
	}

	/*
	 * Skip documentation if requested.
	 */
	if (noDocs && (rpmfiFFlags(fi) & RPMFILE_DOC)) {
	    drc[ix]--;	dff[ix] = 1;
	    rpmfsSetAction(fs, i, FA_SKIPNSTATE);
	    continue;
	}
    }

    /* Skip (now empty) directories that had skipped files. */
#ifndef	NOTYET
    if (fi != NULL)	/* XXX can't happen */
    for (j = 0; j < dc; j++)
#else
    if ((fi = rpmfiInitD(fi)) != NULL)
    while (j = rpmfiNextD(fi) >= 0)
#endif
    {

	if (drc[j]) continue;	/* dir still has files. */
	if (!dff[j]) continue;	/* dir was not emptied here. */
	
	/* Find parent directory and basename. */
	dn = rpmfiDNIndex(fi, j); dnlen = strlen(dn) - 1;
	bn = dn + dnlen;	bnlen = 0;
	while (bn > dn && bn[-1] != '/') {
		bnlen++;
		dnlen--;
		bn--;
	}

	/* If explicitly included in the package, skip the directory. */
	fi = rpmfiInit(fi, 0);
	if (fi != NULL)		/* XXX lclint */
	while ((i = rpmfiNext(fi)) >= 0) {
	    const char * fdn, * fbn;
	    rpm_mode_t fFMode;

	    if (XFA_SKIPPING(rpmfsGetAction(fs, i)))
		continue;

	    fFMode = rpmfiFMode(fi);

	    if (rpmfiWhatis(fFMode) != XDIR)
		continue;
	    fdn = rpmfiDN(fi);
	    if (strlen(fdn) != dnlen)
		continue;
	    if (strncmp(fdn, dn, dnlen))
		continue;
	    fbn = rpmfiBN(fi);
	    if (strlen(fbn) != bnlen)
		continue;
	    if (strncmp(fbn, bn, bnlen))
		continue;
	    rpmlog(RPMLOG_DEBUG, "excluding directory %s\n", dn);
	    rpmfsSetAction(fs, i, FA_SKIPNSTATE);
	    break;
	}
    }

    free(drc);
    free(dff);
}
Example #10
0
/* XXX only ts->{probs,di} modified */
static void handleOverlappedFiles(const rpmts ts, const rpmte p, rpmfi fi)
{
    rpm_loff_t fixupSize = 0;
    rpmps ps;
    const char * fn;
    int i, j;
    rpm_color_t tscolor = rpmtsColor(ts);
    rpm_color_t prefcolor = rpmtsPrefColor(ts);
    rpmfs fs = rpmteGetFileStates(p);
    rpmfs otherFs;

    ps = rpmtsProblems(ts);
    fi = rpmfiInit(fi, 0);
    if (fi != NULL)
    while ((i = rpmfiNext(fi)) >= 0) {
	rpm_color_t oFColor, FColor;
	struct fingerPrint_s * fiFps;
	int otherPkgNum, otherFileNum;
	rpmfi otherFi;
	rpmte otherTe;
	rpmfileAttrs FFlags;
	rpm_mode_t FMode;
	struct rpmffi_s * recs;
	int numRecs;

	if (XFA_SKIPPING(rpmfsGetAction(fs, i)))
	    continue;

	fn = rpmfiFN(fi);
	fiFps = rpmfiFpsIndex(fi, i);
	FFlags = rpmfiFFlags(fi);
	FMode = rpmfiFMode(fi);
	FColor = rpmfiFColor(fi);
	FColor &= tscolor;

	fixupSize = 0;

	/*
	 * Retrieve all records that apply to this file. Note that the
	 * file info records were built in the same order as the packages
	 * will be installed and removed so the records for an overlapped
	 * files will be sorted in exactly the same order.
	 */
	(void) rpmFpHashGetEntry(ts->ht, fiFps, &recs, &numRecs, NULL);

	/*
	 * If this package is being added, look only at other packages
	 * being added -- removed packages dance to a different tune.
	 *
	 * If both this and the other package are being added, overlapped
	 * files must be identical (or marked as a conflict). The
	 * disposition of already installed config files leads to
	 * a small amount of extra complexity.
	 *
	 * If this package is being removed, then there are two cases that
	 * need to be worried about:
	 * If the other package is being added, then skip any overlapped files
	 * so that this package removal doesn't nuke the overlapped files
	 * that were just installed.
	 * If both this and the other package are being removed, then each
	 * file removal from preceding packages needs to be skipped so that
	 * the file removal occurs only on the last occurence of an overlapped
	 * file in the transaction set.
	 *
	 */

	/* Locate this overlapped file in the set of added/removed packages. */
	for (j = 0; j < numRecs && recs[j].p != p; j++)
	    {};

	/* Find what the previous disposition of this file was. */
	otherFileNum = -1;			/* keep gcc quiet */
	otherFi = NULL;
	otherTe = NULL;
	otherFs = NULL;

	for (otherPkgNum = j - 1; otherPkgNum >= 0; otherPkgNum--) {
	    otherTe = recs[otherPkgNum].p;
	    otherFi = rpmteFI(otherTe);
	    otherFileNum = recs[otherPkgNum].fileno;
	    otherFs = rpmteGetFileStates(otherTe);

	    /* Added packages need only look at other added packages. */
	    if (rpmteType(p) == TR_ADDED && rpmteType(otherTe) != TR_ADDED)
		continue;

	    (void) rpmfiSetFX(otherFi, otherFileNum);

	    /* XXX Happens iff fingerprint for incomplete package install. */
	    if (rpmfsGetAction(otherFs, otherFileNum) != FA_UNKNOWN);
		break;
	}

	oFColor = rpmfiFColor(otherFi);
	oFColor &= tscolor;

	switch (rpmteType(p)) {
	case TR_ADDED:
	  {
	    int reportConflicts =
		!(rpmtsFilterFlags(ts) & RPMPROB_FILTER_REPLACENEWFILES);
	    int done = 0;

	    if (otherPkgNum < 0) {
		/* XXX is this test still necessary? */
		rpmFileAction action;
		if (rpmfsGetAction(fs, i) != FA_UNKNOWN)
		    break;
		if (rpmfiConfigConflict(fi)) {
		    /* Here is a non-overlapped pre-existing config file. */
		    action = (FFlags & RPMFILE_NOREPLACE) ?
			      FA_ALTNAME : FA_BACKUP;
		} else {
		    action = FA_CREATE;
		}
		rpmfsSetAction(fs, i, action);
		break;
	    }

assert(otherFi != NULL);
	    /* Mark added overlapped non-identical files as a conflict. */
	    if (rpmfiCompare(otherFi, fi)) {
		int rConflicts;

		rConflicts = reportConflicts;
		/* Resolve file conflicts to prefer Elf64 (if not forced) ... */
		if (tscolor != 0) {
		    if (FColor & prefcolor) {
			/* ... last file of preferred colour is installed ... */
			if (!XFA_SKIPPING(rpmfsGetAction(fs, i))) {
			    /* XXX static helpers are order dependent. Ick. */
			    if (strcmp(fn, "/usr/sbin/libgcc_post_upgrade")
			     && strcmp(fn, "/usr/sbin/glibc_post_upgrade"))
				rpmfsSetAction(otherFs, otherFileNum, FA_SKIPCOLOR);
			}
			rpmfsSetAction(fs, i, FA_CREATE);
			rConflicts = 0;
		    } else
		    if (oFColor & prefcolor) {
			/* ... first file of preferred colour is installed ... */
			if (XFA_SKIPPING(rpmfsGetAction(fs, i)))
			    rpmfsSetAction(otherFs, otherFileNum, FA_CREATE);
			rpmfsSetAction(fs, i, FA_SKIPCOLOR);
			rConflicts = 0;
		    }
		    done = 1;
		}
		if (rConflicts) {
		    rpmpsAppend(ps, RPMPROB_NEW_FILE_CONFLICT,
			rpmteNEVRA(p), rpmteKey(p),
			fn, NULL,
			rpmteNEVRA(otherTe),
			0);
		}
	    }

	    /* Try to get the disk accounting correct even if a conflict. */
	    fixupSize = rpmfiFSize(otherFi);

	    if (rpmfiConfigConflict(fi)) {
		/* Here is an overlapped  pre-existing config file. */
		rpmFileAction action;
		action = (FFlags & RPMFILE_NOREPLACE) ? FA_ALTNAME : FA_SKIP;
		rpmfsSetAction(fs, i, action);
	    } else {
		if (!done)
		    rpmfsSetAction(fs, i, FA_CREATE);
	    }
	  } break;

	case TR_REMOVED:
	    if (otherPkgNum >= 0) {
		assert(otherFi != NULL);
                /* Here is an overlapped added file we don't want to nuke. */
		if (rpmfsGetAction(otherFs, otherFileNum) != FA_ERASE) {
		    /* On updates, don't remove files. */
		    rpmfsSetAction(fs, i, FA_SKIP);
		    break;
		}
		/* Here is an overlapped removed file: skip in previous. */
		rpmfsSetAction(otherFs, otherFileNum, FA_SKIP);
	    }
	    if (XFA_SKIPPING(rpmfsGetAction(fs, i)))
		break;
	    if (rpmfiFState(fi) != RPMFILE_STATE_NORMAL)
		break;
	    if (!(S_ISREG(FMode) && (FFlags & RPMFILE_CONFIG))) {
		rpmfsSetAction(fs, i, FA_ERASE);
		break;
	    }
		
	    /* Here is a pre-existing modified config file that needs saving. */
	    {	pgpHashAlgo algo = 0;
		size_t diglen = 0;
		const unsigned char *digest;
		if ((digest = rpmfiFDigest(fi, &algo, &diglen))) {
		    unsigned char fdigest[diglen];
		    if (!rpmDoDigest(algo, fn, 0, fdigest, NULL) &&
			memcmp(digest, fdigest, diglen)) {
			rpmfsSetAction(fs, i, FA_BACKUP);
			break;
		    }
		}
	    }
	    rpmfsSetAction(fs, i, FA_ERASE);
	    break;
	}

	/* Update disk space info for a file. */
	rpmtsUpdateDSI(ts, fiFps->entry->dev, rpmfiFSize(fi),
		       rpmfiFReplacedSize(fi), fixupSize, rpmfsGetAction(fs, i));

    }
    ps = rpmpsFree(ps);
}
Example #11
0
File: fsm.c Project: nforro/rpm
/** \ingroup payload
 * Create directory name iterator.
 * @param fi		file info set
 * @param fs		file state set
 * @param reverse	traverse directory names in reverse order?
 * @return		directory name iterator
 */
static DNLI_t dnlInitIterator(rpmfiles fi, rpmfs fs, int reverse)
{
    DNLI_t dnli;
    int i, j;
    int dc;

    if (fi == NULL)
	return NULL;
    dc = rpmfilesDC(fi);
    dnli = xcalloc(1, sizeof(*dnli));
    dnli->fi = fi;
    dnli->reverse = reverse;
    dnli->i = (reverse ? dc : 0);

    if (dc) {
	dnli->active = xcalloc(dc, sizeof(*dnli->active));
	int fc = rpmfilesFC(fi);

	/* Identify parent directories not skipped. */
	for (i = 0; i < fc; i++)
            if (!XFA_SKIPPING(rpmfsGetAction(fs, i)))
		dnli->active[rpmfilesDI(fi, i)] = 1;

	/* Exclude parent directories that are explicitly included. */
	for (i = 0; i < fc; i++) {
	    int dil;
	    size_t dnlen, bnlen;

	    if (!S_ISDIR(rpmfilesFMode(fi, i)))
		continue;

	    dil = rpmfilesDI(fi, i);
	    dnlen = strlen(rpmfilesDN(fi, dil));
	    bnlen = strlen(rpmfilesBN(fi, i));

	    for (j = 0; j < dc; j++) {
		const char * dnl;
		size_t jlen;

		if (!dnli->active[j] || j == dil)
		    continue;
		dnl = rpmfilesDN(fi, j);
		jlen = strlen(dnl);
		if (jlen != (dnlen+bnlen+1))
		    continue;
		if (!rstreqn(dnl, rpmfilesDN(fi, dil), dnlen))
		    continue;
		if (!rstreqn(dnl+dnlen, rpmfilesBN(fi, i), bnlen))
		    continue;
		if (dnl[dnlen+bnlen] != '/' || dnl[dnlen+bnlen+1] != '\0')
		    continue;
		/* This directory is included in the package. */
		dnli->active[j] = 0;
		break;
	    }
	}

	/* Print only once per package. */
	if (!reverse) {
	    j = 0;
	    for (i = 0; i < dc; i++) {
		if (!dnli->active[i]) continue;
		if (j == 0) {
		    j = 1;
		    rpmlog(RPMLOG_DEBUG,
	"========== Directories not explicitly included in package:\n");
		}
		rpmlog(RPMLOG_DEBUG, "%10d %s\n", i, rpmfilesDN(fi, i));
	    }
	    if (j)
		rpmlog(RPMLOG_DEBUG, "==========\n");
	}
    }
    return dnli;
}
Example #12
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);
}