static void rpmalAddFiles(rpmal al, rpmalNum pkgNum, rpmfiles fi)
{
struct availableIndexFileEntry_s fileEntry;
int fc = rpmfilesFC(fi);
rpm_color_t ficolor;
int skipdoc = (al->tsflags & RPMTRANS_FLAG_NODOCS);
int skipconf = (al->tsflags & RPMTRANS_FLAG_NOCONFIGS);
fileEntry.pkgNum = pkgNum;
for (int i = 0; i < fc; i++) {
/* Ignore colored provides not in our rainbow. */
ficolor = rpmfilesFColor(fi, i);
if (al->tscolor && ficolor && !(al->tscolor & ficolor))
continue;
/* Ignore files that wont be installed */
if (skipdoc && (rpmfilesFFlags(fi, i) & RPMFILE_DOC))
continue;
if (skipconf && (rpmfilesFFlags(fi, i) & RPMFILE_CONFIG))
continue;
fileEntry.dirName = rpmfilesDNId(fi, rpmfilesDI(fi, i));
fileEntry.entryIx = i;
rpmalFileHashAddEntry(al->fileHash, rpmfilesBNId(fi, i), fileEntry);
}
}
/* 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));
}
}
/* 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));
}
rpmVerifyAttrs rpmfilesVerify(rpmfiles fi, int ix, rpmVerifyAttrs omitMask)
{
rpmfileAttrs fileAttrs = rpmfilesFFlags(fi, ix);
rpmVerifyAttrs flags = rpmfilesVFlags(fi, ix);
const char * fn = rpmfilesFN(fi, ix);
struct stat sb, fsb;
rpmVerifyAttrs vfy = RPMVERIFY_NONE;
/*
* Check to see if the file was installed - if not pretend all is OK.
*/
switch (rpmfilesFState(fi, ix)) {
case RPMFILE_STATE_NETSHARED:
case RPMFILE_STATE_NOTINSTALLED:
goto exit;
break;
case RPMFILE_STATE_REPLACED:
/* For replaced files we can only verify if it exists at all */
flags = RPMVERIFY_LSTATFAIL;
break;
case RPMFILE_STATE_WRONGCOLOR:
/*
* Files with wrong color are supposed to share some attributes
* with the actually installed file - verify what we can.
*/
flags &= ~(RPMVERIFY_FILEDIGEST | RPMVERIFY_FILESIZE |
RPMVERIFY_MTIME | RPMVERIFY_RDEV);
break;
case RPMFILE_STATE_NORMAL:
/* File from a non-installed package, try to verify nevertheless */
case RPMFILE_STATE_MISSING:
break;
}
if (fn == NULL || lstat(fn, &sb) != 0 || rpmfilesStat(fi, ix, 0, &fsb)) {
vfy |= RPMVERIFY_LSTATFAIL;
goto exit;
}
/* If we expected a directory but got a symlink to one, follow the link */
if (S_ISDIR(fsb.st_mode) && S_ISLNK(sb.st_mode)) {
struct stat dsb;
/* ...if it actually points to a directory */
if (stat(fn, &dsb) == 0 && S_ISDIR(dsb.st_mode)) {
/* ...and is by a legit user, to match fsmVerify() behavior */
if (sb.st_uid == 0 || sb.st_uid == fsb.st_uid)
sb = dsb; /* struct assignment */
}
}
/* Links have no mode, other types have no linkto */
if (S_ISLNK(sb.st_mode))
flags &= ~(RPMVERIFY_MODE);
else
flags &= ~(RPMVERIFY_LINKTO);
/* Not all attributes of non-regular files can be verified */
if (!S_ISREG(sb.st_mode))
flags &= ~(RPMVERIFY_FILEDIGEST | RPMVERIFY_FILESIZE |
RPMVERIFY_MTIME | RPMVERIFY_CAPS);
/* Content checks of %ghost files are meaningless. */
if (fileAttrs & RPMFILE_GHOST)
flags &= ~(RPMVERIFY_FILEDIGEST | RPMVERIFY_FILESIZE |
RPMVERIFY_MTIME | RPMVERIFY_LINKTO);
/* Don't verify any features in omitMask. */
flags &= ~(omitMask | RPMVERIFY_FAILURES);
if (flags & RPMVERIFY_FILEDIGEST) {
const unsigned char *digest;
int algo;
size_t diglen;
/* XXX If --nomd5, then prelinked library sizes are not corrected. */
if ((digest = rpmfilesFDigest(fi, ix, &algo, &diglen))) {
unsigned char fdigest[diglen];
rpm_loff_t fsize;
if (rpmDoDigest(algo, fn, 0, fdigest, &fsize)) {
vfy |= (RPMVERIFY_READFAIL|RPMVERIFY_FILEDIGEST);
} else {
sb.st_size = fsize;
if (memcmp(fdigest, digest, diglen))
vfy |= RPMVERIFY_FILEDIGEST;
}
} else {
vfy |= RPMVERIFY_FILEDIGEST;
}
}
if (flags & RPMVERIFY_LINKTO) {
char linkto[1024+1];
int size = 0;
if ((size = readlink(fn, linkto, sizeof(linkto)-1)) == -1)
vfy |= (RPMVERIFY_READLINKFAIL|RPMVERIFY_LINKTO);
else {
const char * flink = rpmfilesFLink(fi, ix);
linkto[size] = '\0';
if (flink == NULL || !rstreq(linkto, flink))
vfy |= RPMVERIFY_LINKTO;
}
}
if ((flags & RPMVERIFY_FILESIZE) && (sb.st_size != fsb.st_size))
vfy |= RPMVERIFY_FILESIZE;
if (flags & RPMVERIFY_MODE) {
mode_t metamode = fsb.st_mode;
mode_t filemode = sb.st_mode;
/*
* Comparing the type of %ghost files is meaningless, but perms are OK.
*/
if (fileAttrs & RPMFILE_GHOST) {
metamode &= ~S_IFMT;
filemode &= ~S_IFMT;
}
if (metamode != filemode)
vfy |= RPMVERIFY_MODE;
#if WITH_ACL
/*
* For now, any non-default acl's on a file is a difference as rpm
* cannot have set them.
*/
acl_t facl = acl_get_file(fn, ACL_TYPE_ACCESS);
if (facl) {
if (acl_equiv_mode(facl, NULL) == 1) {
vfy |= RPMVERIFY_MODE;
}
acl_free(facl);
}
#endif
}
if (flags & RPMVERIFY_RDEV) {
if (S_ISCHR(fsb.st_mode) != S_ISCHR(sb.st_mode)
|| S_ISBLK(fsb.st_mode) != S_ISBLK(sb.st_mode))
{
vfy |= RPMVERIFY_RDEV;
} else if (S_ISDEV(fsb.st_mode) && S_ISDEV(sb.st_mode)) {
rpm_rdev_t st_rdev = (sb.st_rdev & 0xffff);
rpm_rdev_t frdev = (fsb.st_rdev & 0xffff);
if (st_rdev != frdev)
vfy |= RPMVERIFY_RDEV;
}
}
#if WITH_CAP
if (flags & RPMVERIFY_CAPS) {
/*
* Empty capability set ("=") is not exactly the same as no
* capabilities at all but suffices for now...
*/
cap_t cap, fcap;
cap = cap_from_text(rpmfilesFCaps(fi, ix));
if (!cap) {
cap = cap_from_text("=");
}
fcap = cap_get_file(fn);
if (!fcap) {
fcap = cap_from_text("=");
}
if (cap_compare(cap, fcap) != 0)
vfy |= RPMVERIFY_CAPS;
cap_free(fcap);
cap_free(cap);
}
#endif
if ((flags & RPMVERIFY_MTIME) && (sb.st_mtime != fsb.st_mtime))
vfy |= RPMVERIFY_MTIME;
if ((flags & RPMVERIFY_USER) && (sb.st_uid != fsb.st_uid))
vfy |= RPMVERIFY_USER;
if ((flags & RPMVERIFY_GROUP) && (sb.st_gid != fsb.st_gid))
vfy |= RPMVERIFY_GROUP;
exit:
return vfy;
}
