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/** \ingroup rpmts
* \file lib/depends.c
*/
#include "system.h"
#include <rpm/rpmlib.h> /* rpmVersionCompare, rpmlib provides */
#include <rpm/rpmtag.h>
#include <rpm/rpmlog.h>
#include <rpm/rpmdb.h>
#include <rpm/rpmds.h>
#include <rpm/rpmfi.h>
#include "lib/rpmts_internal.h"
#include "lib/rpmte_internal.h"
#include "lib/rpmds_internal.h"
#include "lib/rpmfi_internal.h" /* rpmfiles stuff for now */
#include "lib/misc.h"
#include "lib/backend/dbiset.h"
#include "debug.h"
const char * const RPMVERSION = VERSION;
const char * const rpmNAME = PACKAGE;
const char * const rpmEVR = VERSION;
const int rpmFLAGS = RPMSENSE_EQUAL;
#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE
#define HASHTYPE depCache
#define HTKEYTYPE const char *
#define HTDATATYPE int
#include "lib/rpmhash.H"
#include "lib/rpmhash.C"
#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE
#define HASHTYPE packageHash
#define HTKEYTYPE unsigned int
#define HTDATATYPE struct rpmte_s *
#include "rpmhash.C"
#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE
#define HASHTYPE filedepHash
#define HTKEYTYPE const char *
#define HTDATATYPE const char *
#include "rpmhash.H"
#include "rpmhash.C"
#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE
#define HASHTYPE depexistsHash
#define HTKEYTYPE const char *
#include "lib/rpmhash.H"
#include "lib/rpmhash.C"
#undef HASHTYPE
#undef HTKEYTYPE
enum addOp_e {
RPMTE_INSTALL = 0,
RPMTE_UPGRADE = 1,
RPMTE_REINSTALL = 2,
};
/**
* Check for supported payload format in header.
* @param h header to check
* @return RPMRC_OK if supported, RPMRC_FAIL otherwise
*/
static rpmRC headerCheckPayloadFormat(Header h) {
rpmRC rc = RPMRC_OK;
const char *payloadfmt = headerGetString(h, RPMTAG_PAYLOADFORMAT);
/*
* XXX Ugh, rpm 3.x packages don't have payload format tag. Instead
* of blindly allowing, should check somehow (HDRID existence or... ?)
*/
if (!payloadfmt) return rc;
if (!rstreq(payloadfmt, "cpio")) {
char *nevra = headerGetAsString(h, RPMTAG_NEVRA);
if (payloadfmt && rstreq(payloadfmt, "drpm")) {
rpmlog(RPMLOG_ERR,
_("%s is a Delta RPM and cannot be directly installed\n"),
nevra);
} else {
rpmlog(RPMLOG_ERR,
_("Unsupported payload (%s) in package %s\n"),
payloadfmt ? payloadfmt : "none", nevra);
}
free(nevra);
rc = RPMRC_FAIL;
}
return rc;
}
/**
* Add removed package instance to ordered transaction set.
* @param ts transaction set
* @param h header
* @param depends installed package of pair (or RPMAL_NOMATCH on erase)
* @return 0 on success
*/
static int removePackage(rpmts ts, Header h, rpmte depends)
{
tsMembers tsmem = rpmtsMembers(ts);
rpmte p, *pp;
unsigned int dboffset = headerGetInstance(h);
/* Can't remove what's not installed */
if (dboffset == 0) return 1;
/* Filter out duplicate erasures. */
if (packageHashGetEntry(tsmem->removedPackages, dboffset, &pp, NULL, NULL)) {
rpmteSetDependsOn(pp[0], depends);
return 0;
}
p = rpmteNew(ts, h, TR_REMOVED, NULL, NULL);
if (p == NULL)
return 1;
packageHashAddEntry(tsmem->removedPackages, dboffset, p);
if (tsmem->orderCount >= tsmem->orderAlloced) {
tsmem->orderAlloced += (tsmem->orderCount - tsmem->orderAlloced) + tsmem->delta;
tsmem->order = xrealloc(tsmem->order, sizeof(*tsmem->order) * tsmem->orderAlloced);
}
rpmteSetDependsOn(p, depends);
tsmem->order[tsmem->orderCount] = p;
tsmem->orderCount++;
return 0;
}
/* Return rpmdb iterator with removals optionally pruned out */
rpmdbMatchIterator rpmtsPrunedIterator(rpmts ts, rpmDbiTagVal tag,
const char * key, int prune)
{
rpmdbMatchIterator mi = rpmtsInitIterator(ts, tag, key, 0);
if (prune) {
tsMembers tsmem = rpmtsMembers(ts);
rpmdbPruneIterator(mi, tsmem->removedPackages);
}
return mi;
}
/**
* Decides whether to skip a package upgrade/obsoletion on TE color.
*
* @param tscolor color of this transaction
* @param color color of this transaction element
* @param ocolor header color of the upgraded/obsoleted package
*
* @return non-zero if the package should be skipped
*/
static int skipColor(rpm_color_t tscolor, rpm_color_t color, rpm_color_t ocolor)
{
return tscolor && color && ocolor && !(color & ocolor);
}
/* Add erase elements for older packages of same color (if any). */
static int addSelfErasures(rpmts ts, rpm_color_t tscolor, int op,
rpmte p, rpm_color_t hcolor, Header h)
{
Header oh;
rpmdbMatchIterator mi = rpmtsInitIterator(ts, RPMDBI_NAME, rpmteN(p), 0);
int rc = 0;
int cmp;
while ((oh = rpmdbNextIterator(mi)) != NULL) {
/* Ignore colored packages not in our rainbow. */
if (skipColor(tscolor, hcolor, headerGetNumber(oh, RPMTAG_HEADERCOLOR)))
continue;
cmp = rpmVersionCompare(h, oh);
/* On upgrade, skip packages that contain identical NEVR. */
if ((op == RPMTE_UPGRADE) && (cmp == 0))
continue;
/* On reinstall, skip packages with differing NEVR. */
if ((op == RPMTE_REINSTALL) && (cmp != 0))
continue;
if (removePackage(ts, oh, p)) {
rc = 1;
break;
}
}
rpmdbFreeIterator(mi);
return rc;
}
/* Add erase elements for obsoleted packages of same color (if any). */
static int addObsoleteErasures(rpmts ts, rpm_color_t tscolor, rpmte p)
{
rpmstrPool tspool = rpmtsPool(ts);
rpmds obsoletes = rpmdsInit(rpmteDS(p, RPMTAG_OBSOLETENAME));
Header oh;
int rc = 0;
while (rpmdsNext(obsoletes) >= 0 && rc == 0) {
const char * Name;
rpmdbMatchIterator mi = NULL;
if ((Name = rpmdsN(obsoletes)) == NULL)
continue; /* XXX can't happen */
mi = rpmtsPrunedIterator(ts, RPMDBI_NAME, Name, 1);
while ((oh = rpmdbNextIterator(mi)) != NULL) {
const char *oarch = headerGetString(oh, RPMTAG_ARCH);
int match;
/* avoid self-obsoleting packages */
if (rstreq(rpmteN(p), Name) && rstreq(rpmteA(p), oarch)) {
char * ohNEVRA = headerGetAsString(oh, RPMTAG_NEVRA);
rpmlog(RPMLOG_DEBUG, " Not obsoleting: %s\n", ohNEVRA);
free(ohNEVRA);
continue;
}
/*
* Rpm prior to 3.0.3 does not have versioned obsoletes.
* If no obsoletes version info is available, match all names.
*/
match = (rpmdsEVR(obsoletes) == NULL);
if (!match)
match = rpmdsMatches(tspool, oh, -1, obsoletes, 1,
_rpmds_nopromote);
if (match) {
char * ohNEVRA = headerGetAsString(oh, RPMTAG_NEVRA);
rpmlog(RPMLOG_DEBUG, " Obsoletes: %s\t\terases %s\n",
rpmdsDNEVR(obsoletes)+2, ohNEVRA);
free(ohNEVRA);
if (removePackage(ts, oh, p)) {
rc = 1;
break;
}
}
}
rpmdbFreeIterator(mi);
}
return rc;
}
/*
* Lookup obsoletions in the added set. In theory there could
* be more than one obsoleting package, but we only care whether this
* has been obsoleted by *something* or not.
*/
static rpmte checkObsoleted(rpmal addedPackages, rpmds thisds)
{
rpmte p = NULL;
rpmte *matches = NULL;
matches = rpmalAllObsoletes(addedPackages, thisds);
if (matches) {
p = matches[0];
free(matches);
}
return p;
}
/*
* Filtered rpmal lookup: on colored transactions there can be more
* than one identical NEVR but different arch, this must be allowed.
* Only a single element needs to be considred as there can only ever
* be one previous element to be replaced.
*/
static rpmte checkAdded(rpmal addedPackages, rpm_color_t tscolor,
rpmte te, rpmds ds)
{
rpmte p = NULL;
rpmte *matches = NULL;
matches = rpmalAllSatisfiesDepend(addedPackages, ds);
if (matches) {
const char * arch = rpmteA(te);
const char * os = rpmteO(te);
for (rpmte *m = matches; m && *m; m++) {
if (tscolor) {
const char * parch = rpmteA(*m);
const char * pos = rpmteO(*m);
if (arch == NULL || parch == NULL || os == NULL || pos == NULL)
continue;
if (!rstreq(arch, parch) || !rstreq(os, pos))
continue;
}
p = *m;
break;
}
free(matches);
}
return p;
}
/*
* Check for previously added versions and obsoletions.
* Return index where to place this element, or -1 to skip.
* XXX OBSOLETENAME is a bit of a hack, but gives us what
* we want from rpmal: we're only interested in added package
* names here, not their provides.
*/
static int findPos(rpmts ts, rpm_color_t tscolor, rpmte te, int upgrade)
{
tsMembers tsmem = rpmtsMembers(ts);
int oc = tsmem->orderCount;
int skip = 0;
const char * name = rpmteN(te);
const char * evr = rpmteEVR(te);
rpmte p;
rpmstrPool tspool = rpmtsPool(ts);
rpmds oldChk = rpmdsSinglePool(tspool, RPMTAG_OBSOLETENAME,
name, evr, (RPMSENSE_LESS));
rpmds newChk = rpmdsSinglePool(tspool, RPMTAG_OBSOLETENAME,
name, evr, (RPMSENSE_GREATER));
rpmds sameChk = rpmdsSinglePool(tspool, RPMTAG_OBSOLETENAME,
name, evr, (RPMSENSE_EQUAL));
rpmds obsChk = rpmteDS(te, RPMTAG_OBSOLETENAME);
/* If obsoleting package has already been added, skip this. */
if ((p = checkObsoleted(tsmem->addedPackages, rpmteDS(te, RPMTAG_NAME)))) {
skip = 1;
goto exit;
}
/* If obsoleted package has already been added, replace with this. */
rpmdsInit(obsChk);
while (rpmdsNext(obsChk) >= 0) {
/* XXX Obsoletes are not colored */
if ((p = checkAdded(tsmem->addedPackages, 0, te, obsChk))) {
goto exit;
}
}
/* If same NEVR has already been added, skip this. */
if ((p = checkAdded(tsmem->addedPackages, tscolor, te, sameChk))) {
skip = 1;
goto exit;
}
/* On upgrades... */
if (upgrade) {
/* ...if newer NEVR has already been added, skip this. */
if ((p = checkAdded(tsmem->addedPackages, tscolor, te, newChk))) {
skip = 1;
goto exit;
}
/* ...if older NEVR has already been added, replace with this. */
if ((p = checkAdded(tsmem->addedPackages, tscolor, te, oldChk))) {
goto exit;
}
}
exit:
/* If we found a previous element we've something to say */
if (p != NULL && rpmIsVerbose()) {
const char *msg = skip ?
_("package %s was already added, skipping %s\n") :
_("package %s was already added, replacing with %s\n");
rpmlog(RPMLOG_WARNING, msg, rpmteNEVRA(p), rpmteNEVRA(te));
}
/* If replacing a previous element, find out where it is. Pooh. */
if (!skip && p != NULL) {
for (oc = 0; oc < tsmem->orderCount; oc++) {
if (p == tsmem->order[oc])
break;
}
}
rpmdsFree(oldChk);
rpmdsFree(newChk);
rpmdsFree(sameChk);
return (skip) ? -1 : oc;
}
rpmal rpmtsCreateAl(rpmts ts, rpmElementTypes types)
{
rpmal al = NULL;
if (ts) {
rpmte p;
rpmtsi pi;
rpmstrPool tspool = rpmtsPool(ts);
al = rpmalCreate(tspool, (rpmtsNElements(ts) / 4) + 1, rpmtsFlags(ts),
rpmtsColor(ts), rpmtsPrefColor(ts));
pi = rpmtsiInit(ts);
while ((p = rpmtsiNext(pi, types)))
rpmalAdd(al, p);
rpmtsiFree(pi);
}
return al;
}
static int addPackage(rpmts ts, Header h,
fnpyKey key, int op, rpmRelocation * relocs)
{
tsMembers tsmem = rpmtsMembers(ts);
rpm_color_t tscolor = rpmtsColor(ts);
rpmte p = NULL;
int isSource = headerIsSource(h);
int ec = 0;
int oc = tsmem->orderCount;
/* Check for supported payload format if it's a package */
if (key && headerCheckPayloadFormat(h) != RPMRC_OK) {
ec = 1;
goto exit;
}
/* Source packages are never "upgraded" */
if (isSource)
op = RPMTE_INSTALL;
/* Do lazy (readonly?) open of rpm database for upgrades. */
if (op != RPMTE_INSTALL && rpmtsGetRdb(ts) == NULL && rpmtsGetDBMode(ts) != -1) {
if ((ec = rpmtsOpenDB(ts, rpmtsGetDBMode(ts))) != 0)
goto exit;
}
p = rpmteNew(ts, h, TR_ADDED, key, relocs);
if (p == NULL) {
ec = 1;
goto exit;
}
/* Check binary packages for redundancies in the set */
if (!isSource) {
oc = findPos(ts, tscolor, p, (op == RPMTE_UPGRADE));
/* If we're replacing a previously added element, free the old one */
if (oc >= 0 && oc < tsmem->orderCount) {
rpmalDel(tsmem->addedPackages, tsmem->order[oc]);
tsmem->order[oc] = rpmteFree(tsmem->order[oc]);
/* If newer NEVR was already added, we're done */
} else if (oc < 0) {
p = rpmteFree(p);
goto exit;
}
}
if (oc >= tsmem->orderAlloced) {
tsmem->orderAlloced += (oc - tsmem->orderAlloced) + tsmem->delta;
tsmem->order = xrealloc(tsmem->order,
tsmem->orderAlloced * sizeof(*tsmem->order));
}
tsmem->order[oc] = p;
if (oc == tsmem->orderCount) {
tsmem->orderCount++;
}
if (tsmem->addedPackages == NULL) {
tsmem->addedPackages = rpmalCreate(rpmtsPool(ts), 5, rpmtsFlags(ts),
tscolor, rpmtsPrefColor(ts));
}
rpmalAdd(tsmem->addedPackages, p);
/* Add erasure elements for old versions and obsoletions on upgrades */
/* XXX TODO: If either of these fails, we'd need to undo all additions */
if (op != RPMTE_INSTALL)
addSelfErasures(ts, tscolor, op, p, rpmteColor(p), h);
if (op == RPMTE_UPGRADE)
addObsoleteErasures(ts, tscolor, p);
exit:
return ec;
}
int rpmtsAddInstallElement(rpmts ts, Header h,
fnpyKey key, int upgrade, rpmRelocation * relocs)
{
int op = (upgrade == 0) ? RPMTE_INSTALL : RPMTE_UPGRADE;
if (rpmtsSetupTransactionPlugins(ts) == RPMRC_FAIL)
return 1;
return addPackage(ts, h, key, op, relocs);
}
int rpmtsAddReinstallElement(rpmts ts, Header h, fnpyKey key)
{
if (rpmtsSetupTransactionPlugins(ts) == RPMRC_FAIL)
return 1;
/* TODO: pull relocations from installed package */
/* TODO: should reinstall of non-installed package fail? */
return addPackage(ts, h, key, RPMTE_REINSTALL, NULL);
}
int rpmtsAddEraseElement(rpmts ts, Header h, int dboffset)
{
if (rpmtsSetupTransactionPlugins(ts) == RPMRC_FAIL)
return 1;
return removePackage(ts, h, NULL);
}
/* Cached rpmdb provide lookup, returns 0 if satisfied, 1 otherwise */
static int rpmdbProvides(rpmts ts, depCache dcache, rpmds dep, dbiIndexSet *matches)
{
const char * Name = rpmdsN(dep);
const char * DNEVR = rpmdsDNEVR(dep);
rpmTagVal deptag = rpmdsTagN(dep);
int *cachedrc = NULL;
rpmdbMatchIterator mi = NULL;
Header h = NULL;
int rc = 0;
/* pretrans deps are provided by current packages, don't prune erasures */
int prune = (rpmdsFlags(dep) & RPMSENSE_PRETRANS) ? 0 : 1;
unsigned int keyhash = 0;
/* See if we already looked this up */
if (prune && !matches) {
keyhash = depCacheKeyHash(dcache, DNEVR);
if (depCacheGetHEntry(dcache, DNEVR, keyhash, &cachedrc, NULL, NULL)) {
rc = *cachedrc;
rpmdsNotify(dep, "(cached)", rc);
return rc;
}
}
if (matches)
*matches = dbiIndexSetNew(0);
/*
* See if a filename dependency is a real file in some package,
* taking file state into account: replaced, wrong colored and
* not installed files can not satisfy a dependency.
*/
if (deptag != RPMTAG_OBSOLETENAME && Name[0] == '/') {
mi = rpmtsPrunedIterator(ts, RPMDBI_INSTFILENAMES, Name, prune);
while ((h = rpmdbNextIterator(mi)) != NULL) {
/* Ignore self-conflicts */
if (deptag == RPMTAG_CONFLICTNAME) {
unsigned int instance = headerGetInstance(h);
if (instance && instance == rpmdsInstance(dep))
continue;
}
if (matches) {
dbiIndexSetAppendOne(*matches, headerGetInstance(h), 0, 0);
continue;
}
rpmdsNotify(dep, "(db files)", rc);
break;
}
rpmdbFreeIterator(mi);
}
/* Otherwise look in provides no matter what the dependency looks like */
if (h == NULL) {
rpmstrPool tspool = rpmtsPool(ts);
/* Obsoletes use just name alone, everything else uses provides */
rpmTagVal dbtag = RPMDBI_PROVIDENAME;
int selfevr = 0;
if (deptag == RPMTAG_OBSOLETENAME) {
dbtag = RPMDBI_NAME;
selfevr = 1;
}
mi = rpmtsPrunedIterator(ts, dbtag, Name, prune);
while ((h = rpmdbNextIterator(mi)) != NULL) {
/* Provide-indexes can't be used with nevr-only matching */
int prix = (selfevr) ? -1 : rpmdbGetIteratorFileNum(mi);
int match = rpmdsMatches(tspool, h, prix, dep, selfevr,
_rpmds_nopromote);
/* Ignore self-obsoletes and self-conflicts */
if (match && (deptag == RPMTAG_OBSOLETENAME || deptag == RPMTAG_CONFLICTNAME)) {
unsigned int instance = headerGetInstance(h);
if (instance && instance == rpmdsInstance(dep))
match = 0;
}
if (match) {
if (matches) {
dbiIndexSetAppendOne(*matches, headerGetInstance(h), 0, 0);
continue;
}
rpmdsNotify(dep, "(db provides)", rc);
break;
}
}
rpmdbFreeIterator(mi);
}
rc = (h != NULL) ? 0 : 1;
if (matches) {
dbiIndexSetUniq(*matches, 0);
rc = dbiIndexSetCount(*matches) ? 0 : 1;
}
/* Cache the relatively expensive rpmdb lookup results */
/* Caching the oddball non-pruned case would mess up other results */
if (prune && !matches)
depCacheAddHEntry(dcache, xstrdup(DNEVR), keyhash, rc);
return rc;
}
static dbiIndexSet unsatisfiedDependSet(rpmts ts, rpmds dep)
{
dbiIndexSet set1 = NULL, set2 = NULL;
tsMembers tsmem = rpmtsMembers(ts);
rpmsenseFlags dsflags = rpmdsFlags(dep);
if (dsflags & RPMSENSE_RPMLIB)
goto exit;
if (rpmdsIsRich(dep)) {
rpmds ds1, ds2;
rpmrichOp op;
char *emsg = 0;
if (rpmdsParseRichDep(dep, &ds1, &ds2, &op, &emsg) != RPMRC_OK) {
rpmdsNotify(dep, emsg ? emsg : "(parse error)", 1);
_free(emsg);
goto exit;
}
/* only a subset of ops is supported in set mode */
if (op != RPMRICHOP_WITH && op != RPMRICHOP_WITHOUT
&& op != RPMRICHOP_OR && op != RPMRICHOP_SINGLE) {
rpmdsNotify(dep, "(unsupported op in set mode)", 1);
goto exit_rich;
}
set1 = unsatisfiedDependSet(ts, ds1);
if (op == RPMRICHOP_SINGLE)
goto exit_rich;
if (op != RPMRICHOP_OR && dbiIndexSetCount(set1) == 0)
goto exit_rich;
set2 = unsatisfiedDependSet(ts, ds2);
if (op == RPMRICHOP_WITH) {
dbiIndexSetFilterSet(set1, set2, 0);
} else if (op == RPMRICHOP_WITHOUT) {
dbiIndexSetPruneSet(set1, set2, 0);
} else if (op == RPMRICHOP_OR) {
dbiIndexSetAppendSet(set1, set2, 0);
}
exit_rich:
ds1 = rpmdsFree(ds1);
ds2 = rpmdsFree(ds2);
goto exit;
}
/* match database entries */
rpmdbProvides(ts, NULL, dep, &set1);
/* Pretrans dependencies can't be satisfied by added packages. */
if (!(dsflags & RPMSENSE_PRETRANS)) {
rpmte *matches = rpmalAllSatisfiesDepend(tsmem->addedPackages, dep);
if (matches) {
for (rpmte *p = matches; *p; p++)
dbiIndexSetAppendOne(set1, rpmalLookupTE(tsmem->addedPackages, *p), 1, 0);
}
_free(matches);
}
exit:
set2 = dbiIndexSetFree(set2);
return set1 ? set1 : dbiIndexSetNew(0);
}
/*
* Temporary support for live-conversion of the filesystem hierarchy
* mailto: kay@redhat.com, harald@redhat.com
* https://fedoraproject.org/wiki/Features/UsrMove
*
* X-CheckUnifiedSystemdir:
* /bin, /sbin, /lib, /lib64 --> /usr
*
* X-CheckUnifiedBindir:
* /usr/sbin -> /usr/bin
*
* X-CheckMultiArchLibdir:
* /usr/lib64 /usr/lib/<platform tuple> (e.g. x86_64-linux-gnu)
*
* This code is not needed for new installations, it can be removed after
* updates from older systems are no longer supported: Fedora 19 / RHEL 8.
*/
static int CheckLink(const char *dir, const char *root)
{
char *d = NULL;
struct stat sbuf;
int rc = 0;
if (!root)
root = "/";
rasprintf(&d, "%s%s", root, dir);
if (!d) {
rc = -1;
goto exit;
}
/* directory or symlink does not exist, all is fine */
if (lstat(d, &sbuf) < 0) {
rc = 1;
goto exit;
}
/* if it is a symlink, all is fine */
if (S_ISLNK(sbuf.st_mode))
rc = 1;
exit:
free(d);
return rc;
}
static int CheckFilesystemHierarchy(rpmds * dsp, const char *root)
{
static const char *dirs[] = { "bin", "sbin", "lib", "lib64" };
int check;
int i;
rpmds ds;
rpmstrPool pool = rpmdsPool(*dsp);
int rc = 0;
for (i = 0; i < sizeof(dirs) / sizeof(dirs[0]); i++) {
check = CheckLink(dirs[i], root);
if (check < 0) {
rc = -1;
goto exit;
}
if (check == 0)
goto exit;
}
ds = rpmdsSinglePool(pool, RPMTAG_PROVIDENAME,
"rpmlib(X-CheckUnifiedSystemdir)", "1",
RPMSENSE_EQUAL);
rpmdsMerge(dsp, ds);
rpmdsFree(ds);
check = CheckLink("usr/lib64", root);
if (check < 0) {
rc = -1;
goto exit;
}
if (check > 0) {
ds = rpmdsSinglePool(pool, RPMTAG_PROVIDENAME,
"rpmlib(X-CheckMultiArchLibdir)", "1",
RPMSENSE_EQUAL);
rpmdsMerge(dsp, ds);
rpmdsFree(ds);
}
check = CheckLink("usr/sbin", root);
if (check < 0) {
rc = -1;
goto exit;
}
if (check > 0) {
ds = rpmdsSinglePool(pool, RPMTAG_PROVIDENAME,
"rpmlib(X-CheckUnifiedBindir)", "1",
RPMSENSE_EQUAL);
rpmdsMerge(dsp, ds);
rpmdsFree(ds);
}
exit:
return rc;
}
/**
* Check dep for an unsatisfied dependency.
* @param ts transaction set
* @param dcache dependency cache
* @param dep dependency
* @return 0 if satisfied, 1 if not satisfied
*/
static int unsatisfiedDepend(rpmts ts, depCache dcache, rpmds dep)
{
tsMembers tsmem = rpmtsMembers(ts);
int rc;
int retrying = 0;
int adding = (rpmdsInstance(dep) == 0);
rpmsenseFlags dsflags = rpmdsFlags(dep);
retry:
rc = 0; /* assume dependency is satisfied */
/*
* New features in rpm packaging implicitly add versioned dependencies
* on rpmlib provides. The dependencies look like "rpmlib(YaddaYadda)".
* Check those dependencies now.
*/
if (dsflags & RPMSENSE_RPMLIB) {
if (tsmem->rpmlib == NULL) {
rpmdsRpmlibPool(rpmtsPool(ts), &(tsmem->rpmlib), NULL);
CheckFilesystemHierarchy(&(tsmem->rpmlib), rpmtsRootDir(ts));
}
if (tsmem->rpmlib != NULL && rpmdsSearch(tsmem->rpmlib, dep) >= 0) {
rpmdsNotify(dep, "(rpmlib provides)", rc);
goto exit;
}
goto unsatisfied;
}
/* Dont look at pre-requisites of already installed packages */
if (!adding && isInstallPreReq(dsflags) && !isErasePreReq(dsflags))
goto exit;
/* Handle rich dependencies */
if (rpmdsIsRich(dep)) {
rpmds ds1, ds2;
rpmrichOp op;
char *emsg = 0;
if (rpmdsParseRichDep(dep, &ds1, &ds2, &op, &emsg) != RPMRC_OK) {
rc = rpmdsTagN(dep) == RPMTAG_CONFLICTNAME ? 0 : 1;
if (rpmdsInstance(dep) != 0)
rc = !rc; /* ignore errors for installed packages */
rpmdsNotify(dep, emsg ? emsg : "(parse error)", rc);
_free(emsg);
goto exit;
}
if (op == RPMRICHOP_WITH || op == RPMRICHOP_WITHOUT) {
/* switch to set mode processing */
dbiIndexSet set = unsatisfiedDependSet(ts, dep);
rc = dbiIndexSetCount(set) ? 0 : 1;
dbiIndexSetFree(set);
ds1 = rpmdsFree(ds1);
ds2 = rpmdsFree(ds2);
rpmdsNotify(dep, "(rich)", rc);
goto exit;
}
if (op == RPMRICHOP_IF || op == RPMRICHOP_UNLESS) {
/* A IF B -> A OR NOT(B) */
/* A UNLESS B -> A AND NOT(B) */
if (rpmdsIsRich(ds2)) {
/* check if this has an ELSE clause */
rpmds ds21 = NULL, ds22 = NULL;
rpmrichOp op2;
if (rpmdsParseRichDep(ds2, &ds21, &ds22, &op2, NULL) == RPMRC_OK && op2 == RPMRICHOP_ELSE) {
/* A IF B ELSE C -> (A OR NOT(B)) AND (C OR B) */
/* A UNLESS B ELSE C -> (A AND NOT(B)) OR (C AND B) */
rc = !unsatisfiedDepend(ts, dcache, ds21); /* NOT(B) */
if ((rc && op == RPMRICHOP_IF) || (!rc && op == RPMRICHOP_UNLESS)) {
rc = unsatisfiedDepend(ts, dcache, ds1); /* A */
} else {
rc = unsatisfiedDepend(ts, dcache, ds22); /* C */
}
rpmdsFree(ds21);
rpmdsFree(ds22);
goto exitrich;
}
rpmdsFree(ds21);
rpmdsFree(ds22);
}
rc = !unsatisfiedDepend(ts, dcache, ds2); /* NOT(B) */
if ((rc && op == RPMRICHOP_IF) || (!rc && op == RPMRICHOP_UNLESS))
rc = unsatisfiedDepend(ts, dcache, ds1);
} else {
rc = unsatisfiedDepend(ts, dcache, ds1);
if ((rc && op == RPMRICHOP_OR) || (!rc && op == RPMRICHOP_AND))
rc = unsatisfiedDepend(ts, dcache, ds2);
}
exitrich:
ds1 = rpmdsFree(ds1);
ds2 = rpmdsFree(ds2);
rpmdsNotify(dep, "(rich)", rc);
goto exit;
}
/* Pretrans dependencies can't be satisfied by added packages. */
if (!(dsflags & RPMSENSE_PRETRANS)) {
rpmte *matches = rpmalAllSatisfiesDepend(tsmem->addedPackages, dep);
int match = matches && *matches;
_free(matches);
if (match)
goto exit;
}
/* See if the rpmdb provides it */
if (rpmdbProvides(ts, dcache, dep, NULL) == 0)
goto exit;
/* Search for an unsatisfied dependency. */
if (adding && !retrying && !(dsflags & RPMSENSE_PRETRANS)) {
int xx = rpmtsSolve(ts, dep);
if (xx == 0)
goto exit;
if (xx == -1) {
retrying = 1;
goto retry;
}
}
unsatisfied:
if (dsflags & RPMSENSE_MISSINGOK) {
/* note the result, but missingok deps are never unsatisfied */
rpmdsNotify(dep, "(missingok)", 1);
} else {
/* dependency is unsatisfied */
rc = 1;
rpmdsNotify(dep, NULL, rc);
}
exit:
return rc;
}
/* Check a dependency set for problems */
static void checkDS(rpmts ts, depCache dcache, rpmte te,
const char * pkgNEVRA, rpmds ds,
rpm_color_t tscolor)
{
rpm_color_t dscolor;
/* require-problems are unsatisfied, others appear "satisfied" */
int is_problem = (rpmdsTagN(ds) == RPMTAG_REQUIRENAME);
ds = rpmdsInit(ds);
while (rpmdsNext(ds) >= 0) {
/* Ignore colored dependencies not in our rainbow. */
dscolor = rpmdsColor(ds);
if (tscolor && dscolor && !(tscolor & dscolor))
continue;
if (unsatisfiedDepend(ts, dcache, ds) == is_problem)
rpmteAddDepProblem(te, pkgNEVRA, ds, NULL);
}
}
/* Check a given dependency against installed packages */
static void checkInstDeps(rpmts ts, depCache dcache, rpmte te,
rpmTag depTag, const char *dep)
{
Header h;
rpmdbMatchIterator mi = rpmtsPrunedIterator(ts, depTag, dep, 1);
rpmstrPool pool = rpmtsPool(ts);
/* require-problems are unsatisfied, others appear "satisfied" */
int is_problem = (depTag == RPMTAG_REQUIRENAME);
while ((h = rpmdbNextIterator(mi)) != NULL) {
char * pkgNEVRA;
rpmds ds;
/* Ignore self-obsoletes and self-conflicts */
if (depTag == RPMTAG_OBSOLETENAME || depTag == RPMTAG_CONFLICTNAME) {
unsigned int instance = headerGetInstance(h);
if (instance && instance == rpmteDBInstance(te))
continue;
}
pkgNEVRA = headerGetAsString(h, RPMTAG_NEVRA);
ds = rpmdsNewPool(pool, h, depTag, 0);
rpmdsSetIx(ds, rpmdbGetIteratorFileNum(mi));
if (unsatisfiedDepend(ts, dcache, ds) == is_problem)
rpmteAddDepProblem(te, pkgNEVRA, ds, NULL);
rpmdsFree(ds);
free(pkgNEVRA);
}
rpmdbFreeIterator(mi);
}
static void checkNotInstDeps(rpmts ts, depCache dcache, rpmte te,
rpmTag depTag, const char *dep)
{
char *ndep = rmalloc(strlen(dep) + 2);
ndep[0] = '!';
strcpy(ndep + 1, dep);
checkInstDeps(ts, dcache, te, depTag, ndep);
free(ndep);
}
static void checkInstFileDeps(rpmts ts, depCache dcache, rpmte te,
rpmTag depTag, rpmfi fi, int is_not,
filedepHash cache, fingerPrintCache *fpcp)
{
fingerPrintCache fpc = *fpcp;
fingerPrint * fp = NULL;
const char *basename = rpmfiBN(fi);
const char *dirname;
const char **dirnames = 0;
int ndirnames = 0;
int i;
filedepHashGetEntry(cache, basename, &dirnames, &ndirnames, NULL);
if (!ndirnames)
return;
if (!fpc)
*fpcp = fpc = fpCacheCreate(1001, NULL);
dirname = rpmfiDN(fi);
fpLookup(fpc, dirname, basename, &fp);
for (i = 0; i < ndirnames; i++) {
char *fpdep = 0;
const char *dep;
if (!strcmp(dirnames[i], dirname)) {
dep = rpmfiFN(fi);
} else if (fpLookupEquals(fpc, fp, dirnames[i], basename)) {
fpdep = rmalloc(strlen(dirnames[i]) + strlen(basename) + 1);
strcpy(fpdep, dirnames[i]);
strcat(fpdep, basename);
dep = fpdep;
} else {
continue;
}
if (!is_not)
checkInstDeps(ts, dcache, te, depTag, dep);
else
checkNotInstDeps(ts, dcache, te, depTag, dep);
_free(fpdep);
}
_free(fp);
}
static void addFileDepToHash(filedepHash hash, char *key, size_t keylen)
{
int i;
char *basename, *dirname;
if (!keylen || key[0] != '/')
return;
for (i = keylen - 1; key[i] != '/'; i--)
;
dirname = rmalloc(i + 2);
memcpy(dirname, key, i + 1);
dirname[i + 1] = 0;
basename = rmalloc(keylen - i);
memcpy(basename, key + i + 1, keylen - i - 1);
basename[keylen - i - 1] = 0;
filedepHashAddEntry(hash, basename, dirname);
}
static void addDepToHash(depexistsHash hash, char *key, size_t keylen)
{
char *keystr;
if (!keylen)
return;
keystr = rmalloc(keylen + 1);
strncpy(keystr, key, keylen);
keystr[keylen] = 0;
depexistsHashAddEntry(hash, keystr);
}
static void addIndexToDepHashes(rpmts ts, rpmDbiTag tag,
depexistsHash dephash, filedepHash filehash,
depexistsHash depnothash, filedepHash filenothash)
{
char *key;
size_t keylen;
rpmdbIndexIterator ii = rpmdbIndexIteratorInit(rpmtsGetRdb(ts), tag);
if (!ii)
return;
while ((rpmdbIndexIteratorNext(ii, (const void**)&key, &keylen)) == 0) {
if (!key || !keylen)
continue;
if (*key == '!' && keylen > 1) {
key++;
keylen--;
if (*key == '/' && filenothash)
addFileDepToHash(filenothash, key, keylen);
if (depnothash)
addDepToHash(depnothash, key, keylen);
} else {
if (*key == '/' && filehash)
addFileDepToHash(filehash, key, keylen);
if (dephash)
addDepToHash(dephash, key, keylen);
}
}
rpmdbIndexIteratorFree(ii);
}
int rpmtsCheck(rpmts ts)
{
rpm_color_t tscolor = rpmtsColor(ts);
rpmtsi pi = NULL; rpmte p;
int closeatexit = 0;
int rc = 0;
depCache dcache = NULL;
filedepHash confilehash = NULL; /* file conflicts of installed packages */
filedepHash connotfilehash = NULL; /* file conflicts of installed packages */
depexistsHash connothash = NULL;
filedepHash reqfilehash = NULL; /* file requires of installed packages */
filedepHash reqnotfilehash = NULL; /* file requires of installed packages */
depexistsHash reqnothash = NULL;
fingerPrintCache fpc = NULL;
rpmdb rdb = NULL;
(void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_CHECK), 0);
/* Do lazy, readonly, open of rpm database. */
rdb = rpmtsGetRdb(ts);
if (rdb == NULL && rpmtsGetDBMode(ts) != -1) {
if ((rc = rpmtsOpenDB(ts, rpmtsGetDBMode(ts))) != 0)
goto exit;
rdb = rpmtsGetRdb(ts);
closeatexit = 1;
}
if (rdb)
rpmdbCtrl(rdb, RPMDB_CTRL_LOCK_RO);
/* XXX FIXME: figure some kind of heuristic for the cache size */
dcache = depCacheCreate(5001, rstrhash, strcmp,
(depCacheFreeKey)rfree, NULL);
/* build hashes of all confilict sdependencies */
confilehash = filedepHashCreate(257, rstrhash, strcmp,
(filedepHashFreeKey)rfree,
(filedepHashFreeData)rfree);
connothash = depexistsHashCreate(257, rstrhash, strcmp,
(filedepHashFreeKey)rfree);
connotfilehash = filedepHashCreate(257, rstrhash, strcmp,
(filedepHashFreeKey)rfree,
(filedepHashFreeData)rfree);
addIndexToDepHashes(ts, RPMTAG_CONFLICTNAME, NULL, confilehash, connothash, connotfilehash);
if (!filedepHashNumKeys(confilehash))
confilehash = filedepHashFree(confilehash);
if (!depexistsHashNumKeys(connothash))
connothash= depexistsHashFree(connothash);
if (!filedepHashNumKeys(connotfilehash))
connotfilehash = filedepHashFree(connotfilehash);
/* build hashes of all requires dependencies */
reqfilehash = filedepHashCreate(8191, rstrhash, strcmp,
(filedepHashFreeKey)rfree,
(filedepHashFreeData)rfree);
reqnothash = depexistsHashCreate(257, rstrhash, strcmp,
(filedepHashFreeKey)rfree);
reqnotfilehash = filedepHashCreate(257, rstrhash, strcmp,
(filedepHashFreeKey)rfree,
(filedepHashFreeData)rfree);
addIndexToDepHashes(ts, RPMTAG_REQUIRENAME, NULL, reqfilehash, reqnothash, reqnotfilehash);
if (!filedepHashNumKeys(reqfilehash))
reqfilehash = filedepHashFree(reqfilehash);
if (!depexistsHashNumKeys(reqnothash))
reqnothash= depexistsHashFree(reqnothash);
if (!filedepHashNumKeys(reqnotfilehash))
reqnotfilehash = filedepHashFree(reqnotfilehash);
/*
* Look at all of the added packages and make sure their dependencies
* are satisfied.
*/
pi = rpmtsiInit(ts);
while ((p = rpmtsiNext(pi, TR_ADDED)) != NULL) {
rpmds provides = rpmdsInit(rpmteDS(p, RPMTAG_PROVIDENAME));
rpmlog(RPMLOG_DEBUG, "========== +++ %s %s/%s 0x%x\n",
rpmteNEVR(p), rpmteA(p), rpmteO(p), rpmteColor(p));
checkDS(ts, dcache, p, rpmteNEVRA(p), rpmteDS(p, RPMTAG_REQUIRENAME),
tscolor);
checkDS(ts, dcache, p, rpmteNEVRA(p), rpmteDS(p, RPMTAG_CONFLICTNAME),
tscolor);
checkDS(ts, dcache, p, rpmteNEVRA(p), rpmteDS(p, RPMTAG_OBSOLETENAME),
tscolor);
/* Check provides against conflicts in installed packages. */
while (rpmdsNext(provides) >= 0) {
const char *dep = rpmdsN(provides);
checkInstDeps(ts, dcache, p, RPMTAG_CONFLICTNAME, dep);
if (reqnothash && depexistsHashHasEntry(reqnothash, dep))
checkNotInstDeps(ts, dcache, p, RPMTAG_REQUIRENAME, dep);
}
/* Skip obsoletion checks for source packages (ie build) */
if (rpmteIsSource(p))
continue;
/* Check package name (not provides!) against installed obsoletes */
checkInstDeps(ts, dcache, p, RPMTAG_OBSOLETENAME, rpmteN(p));
/* Check filenames against installed conflicts */
if (confilehash || reqnotfilehash) {
rpmfiles files = rpmteFiles(p);
rpmfi fi = rpmfilesIter(files, RPMFI_ITER_FWD);
while (rpmfiNext(fi) >= 0) {
if (confilehash)
checkInstFileDeps(ts, dcache, p, RPMTAG_CONFLICTNAME, fi, 0, confilehash, &fpc);
if (reqnotfilehash)
checkInstFileDeps(ts, dcache, p, RPMTAG_REQUIRENAME, fi, 1, reqnotfilehash, &fpc);
}
rpmfiFree(fi);
rpmfilesFree(files);
}
}
rpmtsiFree(pi);
/*
* Look at the removed packages and make sure they aren't critical.
*/
pi = rpmtsiInit(ts);
while ((p = rpmtsiNext(pi, TR_REMOVED)) != NULL) {
rpmds provides = rpmdsInit(rpmteDS(p, RPMTAG_PROVIDENAME));
rpmlog(RPMLOG_DEBUG, "========== --- %s %s/%s 0x%x\n",
rpmteNEVR(p), rpmteA(p), rpmteO(p), rpmteColor(p));
/* Check provides and filenames against installed dependencies. */
while (rpmdsNext(provides) >= 0) {
const char *dep = rpmdsN(provides);
checkInstDeps(ts, dcache, p, RPMTAG_REQUIRENAME, dep);
if (connothash && depexistsHashHasEntry(connothash, dep))
checkNotInstDeps(ts, dcache, p, RPMTAG_CONFLICTNAME, dep);
}
if (reqfilehash || connotfilehash) {
rpmfiles files = rpmteFiles(p);
rpmfi fi = rpmfilesIter(files, RPMFI_ITER_FWD);;
while (rpmfiNext(fi) >= 0) {
if (RPMFILE_IS_INSTALLED(rpmfiFState(fi))) {
if (reqfilehash)
checkInstFileDeps(ts, dcache, p, RPMTAG_REQUIRENAME, fi, 0, reqfilehash, &fpc);
if (connotfilehash)
checkInstFileDeps(ts, dcache, p, RPMTAG_CONFLICTNAME, fi, 1, connotfilehash, &fpc);
}
}
rpmfiFree(fi);
rpmfilesFree(files);
}
}
rpmtsiFree(pi);
if (rdb)
rpmdbCtrl(rdb, RPMDB_CTRL_UNLOCK_RO);
exit:
depCacheFree(dcache);
filedepHashFree(confilehash);
filedepHashFree(connotfilehash);
depexistsHashFree(connothash);
filedepHashFree(reqfilehash);
filedepHashFree(reqnotfilehash);
depexistsHashFree(reqnothash);
fpCacheFree(fpc);
(void) rpmswExit(rpmtsOp(ts, RPMTS_OP_CHECK), 0);
if (closeatexit)
(void) rpmtsCloseDB(ts);
return rc;
}
|