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/** \ingroup rpmts
* \file lib/transaction.c
*/
#include "system.h"
#include <set>
#include <vector>
#include <inttypes.h>
#include <libgen.h>
#include <errno.h>
#include <sys/statvfs.h>
#include <fcntl.h>
/* duplicated from cpio.c */
#if defined(MAJOR_IN_MKDEV)
#include <sys/mkdev.h>
#elif defined(MAJOR_IN_SYSMACROS)
#include <sys/sysmacros.h>
#else
#include <sys/types.h> /* already included from system.h */
#endif
#include <rpm/rpmlib.h> /* rpmMachineScore, rpmReadPackageFile */
#include <rpm/rpmmacro.h> /* XXX for rpmExpand */
#include <rpm/rpmlog.h>
#include <rpm/rpmdb.h>
#include <rpm/rpmds.h>
#include <rpm/rpmfileutil.h>
#include <rpm/rpmstring.h>
#include <rpm/rpmsq.h>
#include <rpm/rpmkeyring.h>
#include "fprint.hh"
#include "misc.hh"
#include "rpmchroot.hh"
#include "rpmlock.hh"
#include "rpmds_internal.hh"
#include "rpmfi_internal.hh" /* only internal apis */
#include "rpmte_internal.hh" /* only internal apis */
#include "rpmts_internal.hh"
#include "rpmvs.hh"
#include "rpmtriggers.hh"
#include "rpmplugins.hh"
#include "debug.h"
using std::string;
using std::vector;
/* Adjust for root only reserved space. On linux e2fs, this is 5%. */
#define adj_fs_blocks(_nb) (((_nb) * 21) / 20)
#define BLOCK_ROUND(size, block) (((size) + (block) - 1) / (block))
static string getMntPoint(const char *dirName, dev_t dev)
{
char *mntPoint = realpath(dirName, NULL);
char *end = NULL;
struct stat sb;
string res;
if (!mntPoint)
mntPoint = xstrdup(dirName);
while (end != mntPoint) {
end = strrchr(mntPoint, '/');
if (end == mntPoint) { /* reached "/" */
stat("/", &sb);
if (dev != sb.st_dev) {
res = mntPoint;
} else {
res = "/";
}
break;
} else if (end) {
*end = '\0';
} else { /* dirName doesn't start with / - should not happen */
res = dirName;
break;
}
stat(mntPoint, &sb);
if (dev != sb.st_dev) {
*end = '/';
res = mntPoint;
break;
}
}
free(mntPoint);
return res;
}
static int getRotational(const string dirName, dev_t dev)
{
int rotational = 1; /* Be a good pessimist, assume the worst */
#if defined(__linux__)
char *devpath = NULL;
FILE *f = NULL;
rasprintf(&devpath, "/sys/dev/block/%d:%d/queue/rotational",
major(dev), minor(dev));
if ((f = fopen(devpath, "r")) != NULL) {
int v;
if (fscanf(f, "%d", &v) == 1)
rotational = (v == 1);
fclose(f);
}
free(devpath);
#endif
return rotational;
}
static int rpmtsInitDSI(const rpmts ts)
{
ts->dsi.clear();
return 0;
}
static diskspaceInfo *rpmtsCreateDSI(const rpmts ts, dev_t dev,
const char * dirName)
{
struct stat sb;
int rc;
struct statvfs sfb;
memset(&sfb, 0, sizeof(sfb));
rc = statvfs(dirName, &sfb);
if (rc)
return NULL;
rc = stat(dirName, &sb);
if (rc)
return NULL;
if (sb.st_dev != dev)
return NULL;
auto entry = ts->dsi.insert({ dev, {}}).first;
diskspaceInfo *dsi = &entry->second;
dsi->dev = sb.st_dev;
dsi->bsize = sfb.f_bsize;
if (!dsi->bsize)
dsi->bsize = 512; /* we need a bsize */
dsi->bneeded = 0;
dsi->ineeded = 0;
dsi->bavail = (sfb.f_flag & ST_RDONLY) ? 0 : sfb.f_bavail;
/* XXX Avoid FAT and other file systems that have not inodes. */
/* XXX assigning negative value to unsigned type */
dsi->iavail = !(sfb.f_ffree == 0 && sfb.f_files == 0)
? sfb.f_ffree : -1;
/* Find mount point belonging to this device number */
dsi->mntPoint = getMntPoint(dirName, dsi->dev);
/* Initialized on demand */
dsi->rotational = -1;
/* normalize block size to 4096 bytes if it is too big. */
if (dsi->bsize > 4096) {
uint64_t old_size = dsi->bavail * dsi->bsize;
rpmlog(RPMLOG_DEBUG,
"dubious blocksize % " PRId64 " on %s, normalizing to 4096\n",
dsi->bsize, dsi->mntPoint.c_str());
dsi->bsize = 4096; /* Assume 4k block size */
dsi->bavail = old_size / dsi->bsize;
}
rpmlog(RPMLOG_DEBUG,
"0x%08x %8" PRId64 " %12" PRId64 " %12" PRId64" rotational:%d %s\n",
(unsigned) dsi->dev, dsi->bsize,
dsi->bavail, dsi->iavail, dsi->rotational,
dsi->mntPoint.c_str());
return dsi;
}
static diskspaceInfo *rpmtsGetDSI(const rpmts ts, dev_t dev,
const char *dirName) {
diskspaceInfo *dsi = NULL;
auto ret = ts->dsi.find(dev);
if (ret != ts->dsi.end()) {
dsi = &ret->second;
} else {
dsi = rpmtsCreateDSI(ts, dev, dirName);
}
return dsi;
}
static int rpmtsGetDSIRotational(rpmts ts)
{
int rc = 1;
int nrot = 0;
for (auto & entry : ts->dsi) {
diskspaceInfo *dsi = &entry.second;
if (dsi->rotational < 0)
dsi->rotational = getRotational(dsi->mntPoint, dsi->dev);
nrot += dsi->rotational;
}
if (ts->dsi.empty() == false && nrot == 0)
rc = 0;
return rc;
}
static void rpmtsUpdateDSI(const rpmts ts, dev_t dev, const char *dirName,
rpm_loff_t fileSize, rpm_loff_t prevSize, rpm_loff_t fixupSize,
rpmFileAction action)
{
int64_t bneeded;
diskspaceInfo *dsi = rpmtsGetDSI(ts, dev, dirName);
if (dsi == NULL)
return;
bneeded = BLOCK_ROUND(fileSize, dsi->bsize);
switch (action) {
case FA_BACKUP:
case FA_SAVE:
case FA_ALTNAME:
dsi->ineeded++;
dsi->bneeded += bneeded;
break;
case FA_CREATE:
dsi->bneeded += bneeded;
dsi->ineeded++;
if (prevSize) {
dsi->bdelta += BLOCK_ROUND(prevSize - 1, dsi->bsize);
dsi->idelta++;
}
if (fixupSize) {
dsi->bdelta += BLOCK_ROUND(fixupSize - 1, dsi->bsize);
dsi->idelta++;
}
break;
case FA_ERASE:
dsi->ineeded--;
dsi->bneeded -= bneeded;
break;
default:
break;
}
/* adjust bookkeeping when requirements shrink */
if (dsi->bneeded < dsi->obneeded) dsi->obneeded = dsi->bneeded;
if (dsi->ineeded < dsi->oineeded) dsi->oineeded = dsi->ineeded;
}
static void rpmtsCheckDSIProblems(const rpmts ts, const rpmte te)
{
for (auto & entry : ts->dsi) {
diskspaceInfo *dsi = &entry.second;
if (dsi->bavail >= 0 && adj_fs_blocks(dsi->bneeded) > dsi->bavail) {
if (dsi->bneeded > dsi->obneeded) {
rpmteAddProblem(te, RPMPROB_DISKSPACE, NULL, dsi->mntPoint.c_str(),
(adj_fs_blocks(dsi->bneeded) - dsi->bavail) * dsi->bsize);
dsi->obneeded = dsi->bneeded;
}
}
if (dsi->iavail >= 0 && adj_fs_blocks(dsi->ineeded) > dsi->iavail) {
if (dsi->ineeded > dsi->oineeded) {
rpmteAddProblem(te, RPMPROB_DISKNODES, NULL, dsi->mntPoint.c_str(),
(adj_fs_blocks(dsi->ineeded) - dsi->iavail));
dsi->oineeded = dsi->ineeded;
}
}
/* Adjust for temporary -> final disk consumption */
dsi->bneeded -= dsi->bdelta;
dsi->bdelta = 0;
dsi->ineeded -= dsi->idelta;
dsi->idelta = 0;
}
}
static void rpmtsFreeDSI(rpmts ts)
{
if (ts == NULL)
return;
ts->dsi.clear();
}
/* Calculate total number of files involved in transaction */
static uint64_t countFiles(rpmts ts)
{
uint64_t fc = 0;
rpmtsi pi = rpmtsiInit(ts);
rpmte p;
rpmfiles files;
while ((p = rpmtsiNext(pi, 0)) != NULL) {
files = rpmteFiles(p);
fc += rpmfilesFC(files);
rpmfilesFree(files);
}
rpmtsiFree(pi);
return fc;
}
static int handleRemovalConflict(rpmfiles fi, int fx, rpmfiles ofi, int ofx)
{
int rConflicts = 0; /* Removed files don't conflict, normally */
rpmFileTypes ft = rpmfiWhatis(rpmfilesFMode(fi, fx));
rpmFileTypes oft = rpmfiWhatis(rpmfilesFMode(ofi, ofx));
struct stat sb;
char *fn = NULL;
if (oft == XDIR) {
/* We can't handle directory changing to anything else */
if (ft != XDIR)
rConflicts = 1;
} else if (oft == LINK) {
/* We can't correctly handle directory symlink changing to directory */
if (ft == XDIR) {
fn = rpmfilesFN(fi, fx);
if (stat(fn, &sb) == 0 && S_ISDIR(sb.st_mode))
rConflicts = 1;
}
}
/*
* ...but if the conflicting item is either not on disk, or has
* already been changed to the new type, we should be ok afterall.
*/
if (rConflicts) {
if (fn == NULL)
fn = rpmfilesFN(fi, fx);
if (lstat(fn, &sb) || rpmfiWhatis(sb.st_mode) == ft)
rConflicts = 0;
}
free(fn);
return rConflicts;
}
/*
* 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;
}
/**
* handleInstInstalledFiles.
* @param ts transaction set
* @param p current transaction element
* @param fi file info set
* @param fx file index
* @param otherHeader header containing the matching file
* @param otherFi matching file info set
* @param ofx matching file index
* @param beingRemoved file being removed (installed otherwise)
*/
/* 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);
rpm_loff_t otherFileSize;
int nlink;
const int *links;
if (XFA_SKIPPING(rpmfsGetAction(fs, fx)))
return;
if (rpmfilesFState(otherFi, ofx) == RPMFILE_STATE_NOTINSTALLED)
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);
}
otherFileSize = rpmfilesFSize(otherFi, ofx);
/* Only account for the last file of a hardlink set */
nlink = rpmfilesFLinks(otherFi, ofx, &links);
if (nlink > 1 && links[nlink - 1] != ofx)
otherFileSize = 0;
/* Add one to make sure the size is not zero */
rpmfilesSetFReplacedSize(fi, fx, otherFileSize + 1);
/* Just touch already existing files if minimize_writes is enabled */
if (ts->min_writes) {
if ((!isCfgFile) && (rpmfsGetAction(fs, fx) == FA_UNKNOWN)) {
/* XXX fsm can't handle FA_TOUCH of hardlinked files */
int nolinks = (nlink == 1 && rpmfilesFNlink(fi, fx) == 1);
if (nolinks && rpmfileContentsEqual(otherFi, ofx, fi, fx))
rpmfsSetAction(fs, fx, FA_TOUCH);
}
}
}
/**
* Update disk space needs on each partition for this package's files.
*/
/* 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 * fiFps;
int otherPkgNum, otherFileNum;
rpmfiles otherFi;
rpmte otherTe;
rpmfileAttrs FFlags;
vector<struct rpmffi_s> recs;
rpm_loff_t fileSize;
int nlink;
const int *links;
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);
/*
* 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 < recs.size() && !(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. */
/* Add one to make sure the size is not zero */
fixupSize = rpmfilesFSize(otherFi, otherFileNum) + 1;
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) {
rpmfsSetAction(fs, i, FA_SKIP);
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;
case TR_RESTORED:
if (XFA_SKIPPING(rpmfsGetAction(fs, i)))
break;
if (rpmfilesFState(fi, i) != RPMFILE_STATE_NORMAL) {
rpmfsSetAction(fs, i, FA_SKIP);
break;
}
rpmfsSetAction(fs, i, FA_TOUCH);
break;
default:
break;
}
rpmfilesFree(otherFi);
fileSize = rpmfilesFSize(fi, i);
nlink = rpmfilesFLinks(fi, i, &links);
if (nlink > 1 && links[nlink - 1] != i) {
/* Only account for the last file of a hardlink set */
fileSize = 0;
fixupSize = fixupSize ? 1 : 0;
}
/* Update disk space info for a file. */
rpmtsUpdateDSI(ts, fpEntryDev(fpc, fiFps), fpEntryDir(fpc, fiFps),
fileSize, rpmfilesFReplacedSize(fi, i),
fixupSize, rpmfsGetAction(fs, i));
}
}
/**
* Ensure that current package is newer than installed package.
* @param tspool transaction string pool
* @param p current transaction element
* @param h installed header
*/
static void ensureOlder(rpmstrPool tspool, const rpmte p, const Header h)
{
rpmsenseFlags reqFlags = (RPMSENSE_LESS | RPMSENSE_EQUAL);
rpmds req;
req = rpmdsSinglePool(tspool, RPMTAG_REQUIRENAME,
rpmteN(p), rpmteEVR(p), reqFlags);
if (rpmdsMatches(tspool, h, -1, req, 1) == 0) {
char * altNEVR = headerGetAsString(h, RPMTAG_NEVRA);
rpmteAddProblem(p, RPMPROB_OLDPACKAGE, altNEVR, NULL,
headerGetInstance(h));
free(altNEVR);
}
rpmdsFree(req);
}
/**
* Check if the curent file in the file iterator is in the
* netshardpath and though should be excluded.
* @param ts transaction set
* @param fi file info set
* @returns 1 if path is net shared path, otherwise 0
*/
static int matchNetsharedpath(const rpmts ts, rpmfi fi)
{
char ** nsp;
const char * dn, * bn;
size_t dnlen, bnlen;
char * s;
bn = rpmfiBN(fi);
bnlen = strlen(bn);
dn = rpmfiDN(fi);
dnlen = strlen(dn);
for (nsp = ts->netsharedPaths; nsp && *nsp; nsp++) {
size_t len;
len = strlen(*nsp);
if (dnlen >= len) {
if (!rstreqn(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 (!rstreqn(dn, *nsp, dnlen))
continue;
/* Insure that only the netsharedpath basename is compared. */
if ((s = strchr((*nsp) + dnlen, '/')) != NULL && s[1] != '\0')
continue;
if (!rstreqn(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;
}
return (nsp != NULL && *nsp != NULL);
}
static void skipEraseFiles(const rpmts ts, rpmfiles files, rpmfs fs)
{
int i;
/*
* 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) {
rpmfi fi = rpmfilesIter(files, RPMFI_ITER_FWD);
while ((i = rpmfiNext(fi)) >= 0)
{
if (matchNetsharedpath(ts, fi))
rpmfsSetAction(fs, i, FA_SKIPNETSHARED);
}
rpmfiFree(fi);
}
}
/**
* 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 noArtifacts = (rpmtsFlags(ts) & RPMTRANS_FLAG_NOARTIFACTS);
int i, j, ix;
rpmfi fi = rpmfilesIter(files, RPMFI_ITER_FWD);
if (!noDocs)
noDocs = rpmExpandNumeric("%{_excludedocs}");
/* Compute directory refcount, skip directory if now empty. */
int dc = rpmfiDC(fi);
vector<int> drc(dc, 0);
vector<uint8_t> dff(dc, 0);
fi = rpmfiInit(fi, 0);
while ((i = rpmfiNext(fi)) >= 0) {
const char *flangs;
ix = rpmfiDX(fi);
drc[ix]++;
/* Don't bother with skipped files */
/* XXX FIXME: --excludepath on %license should not be permitted */
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) {
if (matchNetsharedpath(ts, fi)) {
drc[ix]--; dff[ix] = 1;
rpmfsSetAction(fs, i, FA_SKIPNETSHARED);
continue;
}
}
/*
* In general, excluding license files is not permitted. In case
* of SKIPNETSHARED and SKIPCOLOR the file is expected to be
* there via other means however so that is ok.
*/
if (rpmfiFFlags(fi) & RPMFILE_LICENSE)
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 artifacts if requested. */
if (noArtifacts && (rpmfiFFlags(fi) & RPMFILE_ARTIFACT)) {
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;
}
}
rpmfiFree(fi);
}
/* Get a rpmdbMatchIterator containing all files in
* the rpmdb that share the basename with one from
* the transaction.
* @param ts transaction set
* @return rpmdbMatchIterator sorted
by (package, fileNum)
*/
static
rpmdbMatchIterator rpmFindBaseNamesInDB(rpmts ts, uint64_t fileCount)
{
tsMembers tsmem = rpmtsMembers(ts);
rpmstrPool tspool = rpmtsPool(ts);
rpmtsi pi; rpmte p;
rpmfiles files;
rpmfi fi;
rpmdbMatchIterator mi;
int oc = 0;
const char * baseName;
rpmsid baseNameId;
std::set<rpmsid> baseNames;
mi = rpmdbNewIterator(rpmtsGetRdb(ts), RPMDBI_BASENAMES);
pi = rpmtsiInit(ts);
while ((p = rpmtsiNext(pi, 0)) != NULL) {
rpmtsNotify(ts, NULL, RPMCALLBACK_TRANS_PROGRESS, oc++, tsmem->order.size());
/* Gather all installed headers with matching basename's. */
files = rpmteFiles(p);