コード例 #1
0
ファイル: psm.c プロジェクト: fingunter/rpm
/**
 * Run trigger scripts in the database that are fired by this header.
 * @param psm		package state machine data
 * @param sense		trigger type
 * @return		0 on success
 */
static rpmRC runTriggers(rpmpsm psm, rpmsenseFlags sense)
{
    const rpmts ts = psm->ts;
    int numPackage = -1;
    const char * N = NULL;
    int nerrors = 0;

    if (psm->te) 	/* XXX can't happen */
	N = rpmteN(psm->te);
    if (N) 		/* XXX can't happen */
	numPackage = rpmdbCountPackages(rpmtsGetRdb(ts), N)
				+ psm->countCorrection;
    if (numPackage < 0)
	return RPMRC_NOTFOUND;

    {	Header triggeredH;
	Header h = rpmteHeader(psm->te);
	rpmdbMatchIterator mi;

	mi = rpmtsInitIterator(ts, RPMDBI_TRIGGERNAME, N, 0);
	while((triggeredH = rpmdbNextIterator(mi)) != NULL) {
	    nerrors += handleOneTrigger(ts, psm->te, sense, h, triggeredH,
					0, numPackage, NULL);
	}
	rpmdbFreeIterator(mi);
	headerFree(h);
    }

    return (nerrors == 0) ? RPMRC_OK : RPMRC_FAIL;
}
コード例 #2
0
ファイル: psm.c プロジェクト: fingunter/rpm
static rpmRC dbAdd(rpmts ts, rpmte te)
{
    Header h = rpmteHeader(te);
    rpm_time_t installTime = (rpm_time_t) time(NULL);
    rpmfs fs = rpmteGetFileStates(te);
    rpm_count_t fc = rpmfsFC(fs);
    rpm_fstate_t * fileStates = rpmfsGetStates(fs);
    rpm_color_t tscolor = rpmtsColor(ts);
    rpm_tid_t tid = rpmtsGetTid(ts);
    rpmRC rc;

    if (fileStates != NULL && fc > 0) {
	headerPutChar(h, RPMTAG_FILESTATES, fileStates, fc);
    }

    headerPutUint32(h, RPMTAG_INSTALLTID, &tid, 1);
    headerPutUint32(h, RPMTAG_INSTALLTIME, &installTime, 1);
    headerPutUint32(h, RPMTAG_INSTALLCOLOR, &tscolor, 1);

    (void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_DBADD), 0);
    rc = (rpmdbAdd(rpmtsGetRdb(ts), h) == 0) ? RPMRC_OK : RPMRC_FAIL;
    (void) rpmswExit(rpmtsOp(ts, RPMTS_OP_DBADD), 0);

    if (rc == RPMRC_OK)
	rpmteSetDBInstance(te, headerGetInstance(h));
    headerFree(h);
    return rc;
}
コード例 #3
0
ファイル: psm.c プロジェクト: fingunter/rpm
static rpmpsm rpmpsmNew(rpmts ts, rpmte te, pkgGoal goal)
{
    rpmpsm psm = xcalloc(1, sizeof(*psm));
    psm->ts = rpmtsLink(ts);
    psm->files = rpmteFiles(te);
    psm->te = te; /* XXX rpmte not refcounted yet */
    if (!rpmteIsSource(te)) {
	/*
	 * When we run scripts, we pass an argument which is the number of
	 * versions of this package that will be installed when we are
	 * finished.
	 */
	int npkgs_installed = rpmdbCountPackages(rpmtsGetRdb(ts), rpmteN(te));
	switch (goal) {
	case PKG_INSTALL:
	case PKG_PRETRANS:
	    psm->scriptArg = npkgs_installed + 1;
	    psm->countCorrection = 0;
	    break;
	case PKG_ERASE:
	    psm->scriptArg = npkgs_installed - 1;
	    psm->countCorrection = -1;
	    break;
	case PKG_VERIFY:
	case PKG_POSTTRANS:
	    psm->scriptArg = npkgs_installed;
	    psm->countCorrection = 0;
	    break;
	default:
	    break;
	}
    }

    if (goal == PKG_INSTALL) {
	Header h = rpmteHeader(te);
	psm->total = headerGetNumber(h, RPMTAG_LONGARCHIVESIZE);
	headerFree(h);
    } else if (goal == PKG_ERASE) {
	psm->total = rpmfilesFC(psm->files);
    }
    /* Fake up something for packages with no files */
    if (psm->total == 0)
	psm->total = 100;

    rpmlog(RPMLOG_DEBUG, "%s: %s has %d files\n", pkgGoalString(goal),
	    rpmteNEVRA(psm->te), rpmfilesFC(psm->files));

    return psm;
}
コード例 #4
0
ファイル: rpmtriggers.c プロジェクト: Conan-Kudo/rpm
rpmRC runImmedFileTriggers(rpmts ts, rpmte te, rpmsenseFlags sense,
			    rpmscriptTriggerModes tm, int priorityClass)
{
    int nerrors = 0;
    int triggersCount, i;
    Header trigH = rpmteHeader(te);
    struct rpmtd_s priorities;
    rpmTagVal priorityTag;
    rpmtriggers triggers;

    if (tm == RPMSCRIPT_FILETRIGGER) {
	priorityTag = RPMTAG_FILETRIGGERPRIORITIES;
    } else {
	priorityTag = RPMTAG_TRANSFILETRIGGERPRIORITIES;
    }
    headerGet(trigH, priorityTag, &priorities, HEADERGET_MINMEM);

    triggersCount = rpmtdCount(&priorities);
    triggers = rpmtriggersCreate(triggersCount);

    for (i = 0; i < triggersCount; i++) {
	rpmtdSetIndex(&priorities, i);
	/* Offset is not important, all triggers are from the same package */
	rpmtriggersAdd(triggers, 0, i, *rpmtdGetUint32(&priorities));
    }

    /* Sort triggers by priority, offset, trigger index */
    rpmtriggersSortAndUniq(triggers);

    for (i = 0; i < triggersCount; i++) {
	if (priorityClass == 1) {
	    if (triggers->triggerInfo[i].priority < TRIGGER_PRIORITY_BOUND)
		continue;
	} else if (priorityClass == 2) {
	    if (triggers->triggerInfo[i].priority >= TRIGGER_PRIORITY_BOUND)
		continue;
	}

	nerrors += runHandleTriggersInPkg(ts, te, trigH, sense, tm, 2,
					    triggers->triggerInfo[i].tix);
    }
    rpmtriggersFree(triggers);
    headerFree(trigH);

    return (nerrors == 0) ? RPMRC_OK : RPMRC_FAIL;
}
コード例 #5
0
ファイル: psm.c プロジェクト: fingunter/rpm
/**
 * Run triggers from this header that are fired by headers in the database.
 * @param psm		package state machine data
 * @param sense		trigger type
 * @return		0 on success
 */
static rpmRC runImmedTriggers(rpmpsm psm, rpmsenseFlags sense)
{
    const rpmts ts = psm->ts;
    unsigned char * triggersRun;
    struct rpmtd_s tnames, tindexes;
    Header h = rpmteHeader(psm->te);
    int nerrors = 0;

    if (!(headerGet(h, RPMTAG_TRIGGERNAME, &tnames, HEADERGET_MINMEM) &&
	  headerGet(h, RPMTAG_TRIGGERINDEX, &tindexes, HEADERGET_MINMEM))) {
	goto exit;
    }

    triggersRun = xcalloc(rpmtdCount(&tindexes), sizeof(*triggersRun));
    {	Header sourceH = NULL;
	const char *trigName;
    	rpm_count_t *triggerIndices = tindexes.data;

	while ((trigName = rpmtdNextString(&tnames))) {
	    rpmdbMatchIterator mi;
	    int i = rpmtdGetIndex(&tnames);

	    if (triggersRun[triggerIndices[i]] != 0) continue;
	
	    mi = rpmtsInitIterator(ts, RPMDBI_NAME, trigName, 0);

	    while((sourceH = rpmdbNextIterator(mi)) != NULL) {
		nerrors += handleOneTrigger(psm->ts, psm->te,
				sense, sourceH, h,
				psm->countCorrection,
				rpmdbGetIteratorCount(mi),
				triggersRun);
	    }

	    rpmdbFreeIterator(mi);
	}
    }
    rpmtdFreeData(&tnames);
    rpmtdFreeData(&tindexes);
    free(triggersRun);

exit:
    headerFree(h);
    return (nerrors == 0) ? RPMRC_OK : RPMRC_FAIL;
}
コード例 #6
0
ファイル: psm.c プロジェクト: fingunter/rpm
static rpmRC runInstScript(rpmpsm psm, rpmTagVal scriptTag)
{
    rpmRC rc = RPMRC_OK;
    struct rpmtd_s pfx;
    Header h = rpmteHeader(psm->te);
    rpmScript script = rpmScriptFromTag(h, scriptTag);

    if (script) {
	headerGet(h, RPMTAG_INSTPREFIXES, &pfx, HEADERGET_ALLOC|HEADERGET_ARGV);
	rc = runScript(psm->ts, psm->te, pfx.data, script, psm->scriptArg, -1);
	rpmtdFreeData(&pfx);
    }

    rpmScriptFree(script);
    headerFree(h);

    return rc;
}
コード例 #7
0
ファイル: rpmts.c プロジェクト: OlegGirko/rpm
void * rpmtsNotify(rpmts ts, rpmte te,
		rpmCallbackType what, rpm_loff_t amount, rpm_loff_t total)
{
    void * ptr = NULL;
    if (ts && ts->notify) {
	Header h = NULL;
	fnpyKey cbkey = NULL;
	if (te) {
	    h = rpmteHeader(te);
	    cbkey = rpmteKey(te);
	}
	ptr = ts->notify(h, what, amount, total, cbkey, ts->notifyData);

	if (h) {
	    headerFree(h); /* undo rpmteHeader() ref */
	}
    }
    return ptr;
}
コード例 #8
0
ファイル: sepolicy.c プロジェクト: akozumpl/rpm
static sepol *sepolNew(rpmte te)
{
    sepol *head = NULL;
    sepol *ret = NULL;
    sepolAction action;
    Header h;
    struct rpmtd_s policies, names, types, typesidx, flags;
    int i, j;
    int count;

    rpmtdReset(&policies);
    rpmtdReset(&names);
    rpmtdReset(&types);
    rpmtdReset(&typesidx);
    rpmtdReset(&flags);

    h = rpmteHeader(te);
    if (!h) {
	goto exit;
    }

    if (!headerIsEntry(h, RPMTAG_POLICIES)) {
	goto exit;
    }

    if (!headerGet(h, RPMTAG_POLICIES, &policies, HEADERGET_MINMEM)) {
	goto exit;
    }

    count = rpmtdCount(&policies);
    if (count <= 0) {
	goto exit;
    }

    if (!headerGet(h, RPMTAG_POLICYNAMES, &names, HEADERGET_MINMEM)
	|| rpmtdCount(&names) != count) {
	goto exit;
    }

    if (!headerGet(h, RPMTAG_POLICYFLAGS, &flags, HEADERGET_MINMEM)
	|| rpmtdCount(&flags) != count) {
	goto exit;
    }

    if (!headerGet(h, RPMTAG_POLICYTYPES, &types, HEADERGET_MINMEM)) {
	goto exit;
    }

    if (!headerGet(h, RPMTAG_POLICYTYPESINDEXES, &typesidx, HEADERGET_MINMEM)
	|| rpmtdCount(&types) != rpmtdCount(&typesidx)) {
	goto exit;
    }

    action = (rpmteType(te) == TR_ADDED) ? SEPOL_ACTION_INSTALL : SEPOL_ACTION_REMOVE;

    for (i = 0; i < count; i++) {
	sepol *pol = xcalloc(1, sizeof(*pol));
	pol->next = head;
	head = pol;

	pol->data = xstrdup(rpmtdNextString(&policies));
	pol->name = xstrdup(rpmtdNextString(&names));
	pol->flags = *rpmtdNextUint32(&flags);
	pol->action = action;

	for (j = 0; j < rpmtdCount(&types); j++) {
	    uint32_t index = ((uint32_t *) typesidx.data)[j];
	    if (index < 0 || index >= count) {
		goto exit;
	    }
	    if (index != i) {
		continue;
	    }
	    argvAdd(&pol->types, rpmtdNextString(&types));
	}
	argvSort(pol->types, NULL);
    }

    ret = head;

  exit:
    headerFree(h);

    rpmtdFreeData(&policies);
    rpmtdFreeData(&names);
    rpmtdFreeData(&types);
    rpmtdFreeData(&typesidx);
    rpmtdFreeData(&flags);

    if (!ret) {
	sepolFree(head);
    }

    return ret;
}
コード例 #9
0
ファイル: psm.c プロジェクト: pombredanne/rpm-3
static rpmRC rpmpsmStage(rpmpsm psm, pkgStage stage)
{
    const rpmts ts = psm->ts;
    rpmfi fi = psm->fi;
    rpmRC rc = RPMRC_OK;

    switch (stage) {
    case PSM_UNKNOWN:
	break;
    case PSM_INIT:
	rpmlog(RPMLOG_DEBUG, "%s: %s has %d files\n",
		psm->goalName, rpmteNEVR(psm->te), rpmfiFC(fi));

	/*
	 * When we run scripts, we pass an argument which is the number of
	 * versions of this package that will be installed when we are
	 * finished.
	 */
	psm->npkgs_installed = rpmdbCountPackages(rpmtsGetRdb(ts), rpmteN(psm->te));
	if (psm->npkgs_installed < 0) {
	    rc = RPMRC_FAIL;
	    break;
	}

	if (psm->goal == PKG_INSTALL) {
	    Header h = rpmteHeader(psm->te);
	    psm->scriptArg = psm->npkgs_installed + 1;

	    psm->amount = 0;
	    psm->total = headerGetNumber(h, RPMTAG_LONGARCHIVESIZE);
	    /* fake up something for packages with no files */
	    if (psm->total == 0)
		psm->total = 100;

	    /* HACK: reinstall abuses te instance to remove old header */
	    if (rpmtsFilterFlags(ts) & RPMPROB_FILTER_REPLACEPKG)
		markReplacedInstance(ts, psm->te);

	    if (rpmfiFC(fi) > 0) {
		struct rpmtd_s filenames;
		rpmTag ftag = RPMTAG_FILENAMES;
	
		if (headerIsEntry(h, RPMTAG_ORIGBASENAMES)) {
		    ftag = RPMTAG_ORIGFILENAMES;
		}
		headerGet(h, ftag, &filenames, HEADERGET_EXT);
		fi->apath = filenames.data; /* Ick.. */
	    }
	    headerFree(h);
	}
	if (psm->goal == PKG_ERASE) {
	    psm->scriptArg = psm->npkgs_installed - 1;

	    psm->amount = 0;
	    psm->total = rpmfiFC(fi) ? rpmfiFC(fi) : 100;
	}
	break;
    case PSM_PRE:
	if (psm->goal == PKG_INSTALL) {
	    psm->scriptTag = RPMTAG_PREIN;
	    psm->sense = RPMSENSE_TRIGGERPREIN;
	    psm->countCorrection = 0;   /* XXX is this correct?!? */

	    if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOTRIGGERPREIN)) {
		/* Run triggers in other package(s) this package sets off. */
		rc = rpmpsmNext(psm, PSM_TRIGGERS);
		if (rc) break;

		/* Run triggers in this package other package(s) set off. */
		rc = rpmpsmNext(psm, PSM_IMMED_TRIGGERS);
		if (rc) break;
	    }

	    if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOPRE)) {
		rc = rpmpsmNext(psm, PSM_SCRIPT);
		if (rc) break;
	    }
	}

	if (psm->goal == PKG_ERASE) {
	    psm->scriptTag = RPMTAG_PREUN;
	    psm->sense = RPMSENSE_TRIGGERUN;
	    psm->countCorrection = -1;

	    if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOTRIGGERUN)) {
		/* Run triggers in this package other package(s) set off. */
		rc = rpmpsmNext(psm, PSM_IMMED_TRIGGERS);
		if (rc) break;

		/* Run triggers in other package(s) this package sets off. */
		rc = rpmpsmNext(psm, PSM_TRIGGERS);
		if (rc) break;
	    }

	    if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOPREUN))
		rc = rpmpsmNext(psm, PSM_SCRIPT);
	}
	break;
    case PSM_PROCESS:
	if (psm->goal == PKG_INSTALL) {
	    int fsmrc = 0;

	    rpmpsmNotify(psm, RPMCALLBACK_INST_START, 0);
	    /* make sure first progress call gets made */
	    rpmpsmNotify(psm, RPMCALLBACK_INST_PROGRESS, 0);

	    if (rpmfiFC(fi) > 0 && !(rpmtsFlags(ts) & RPMTRANS_FLAG_JUSTDB)) {
		FD_t payload = rpmtePayload(psm->te);
		if (payload == NULL) {
		    rc = RPMRC_FAIL;
		    break;
		}

		fsmrc = rpmPackageFilesInstall(psm->ts, psm->te, psm->fi,
				  payload, psm, &psm->failedFile);

		rpmswAdd(rpmtsOp(psm->ts, RPMTS_OP_UNCOMPRESS),
			 fdOp(payload, FDSTAT_READ));
		rpmswAdd(rpmtsOp(psm->ts, RPMTS_OP_DIGEST),
			 fdOp(payload, FDSTAT_DIGEST));

		Fclose(payload);
	    }

	    /* XXX make sure progress reaches 100% */
	    rpmpsmNotify(psm, 0, psm->total);
	    rpmpsmNotify(psm, RPMCALLBACK_INST_STOP, psm->total);

	    if (fsmrc) {
		char *emsg = rpmcpioStrerror(fsmrc);
		rpmlog(RPMLOG_ERR,
			_("unpacking of archive failed%s%s: %s\n"),
			(psm->failedFile != NULL ? _(" on file ") : ""),
			(psm->failedFile != NULL ? psm->failedFile : ""),
			emsg);
		free(emsg);
		rc = RPMRC_FAIL;

		/* XXX notify callback on error. */
		rpmtsNotify(ts, psm->te, RPMCALLBACK_UNPACK_ERROR, 0, 0);
		break;
	    }
	}
	if (psm->goal == PKG_ERASE) {
	    if (rpmtsFlags(ts) & RPMTRANS_FLAG_JUSTDB)	break;

	    rpmpsmNotify(psm, RPMCALLBACK_UNINST_START, 0);
	    /* make sure first progress call gets made */
	    rpmpsmNotify(psm, RPMCALLBACK_UNINST_PROGRESS, 0);

	    /* XXX should't we log errors from here? */
	    if (rpmfiFC(fi) > 0 && !(rpmtsFlags(ts) & RPMTRANS_FLAG_JUSTDB)) {
		rc = rpmPackageFilesRemove(psm->ts, psm->te, psm->fi,
				  psm, &psm->failedFile);
	    }

	    /* XXX make sure progress reaches 100% */
	    rpmpsmNotify(psm, 0, psm->total);
	    rpmpsmNotify(psm, RPMCALLBACK_UNINST_STOP, psm->total);
	}
	break;
    case PSM_POST:
	if (psm->goal == PKG_INSTALL) {
	    rpm_time_t installTime = (rpm_time_t) time(NULL);
	    rpmfs fs = rpmteGetFileStates(psm->te);
	    rpm_count_t fc = rpmfsFC(fs);
	    rpm_fstate_t * fileStates = rpmfsGetStates(fs);
	    Header h = rpmteHeader(psm->te);
	    rpm_color_t tscolor = rpmtsColor(ts);

	    if (fileStates != NULL && fc > 0) {
		headerPutChar(h, RPMTAG_FILESTATES, fileStates, fc);
	    }

	    headerPutUint32(h, RPMTAG_INSTALLTIME, &installTime, 1);
	    headerPutUint32(h, RPMTAG_INSTALLCOLOR, &tscolor, 1);
	    headerFree(h);

	    /*
	     * If this package has already been installed, remove it from
	     * the database before adding the new one.
	     */
	    if (rpmteDBInstance(psm->te)) {
		rc = rpmpsmNext(psm, PSM_RPMDB_REMOVE);
		if (rc) break;
	    }

	    rc = rpmpsmNext(psm, PSM_RPMDB_ADD);
	    if (rc) break;

	    psm->scriptTag = RPMTAG_POSTIN;
	    psm->sense = RPMSENSE_TRIGGERIN;
	    psm->countCorrection = 0;

	    if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOPOST)) {
		rc = rpmpsmNext(psm, PSM_SCRIPT);
		if (rc) break;
	    }
	    if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOTRIGGERIN)) {
		/* Run triggers in other package(s) this package sets off. */
		rc = rpmpsmNext(psm, PSM_TRIGGERS);
		if (rc) break;

		/* Run triggers in this package other package(s) set off. */
		rc = rpmpsmNext(psm, PSM_IMMED_TRIGGERS);
		if (rc) break;
	    }

	    rc = markReplacedFiles(psm);

	}
	if (psm->goal == PKG_ERASE) {

	    psm->scriptTag = RPMTAG_POSTUN;
	    psm->sense = RPMSENSE_TRIGGERPOSTUN;
	    psm->countCorrection = -1;

	    if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOPOSTUN)) {
		rc = rpmpsmNext(psm, PSM_SCRIPT);
		if (rc) break;
	    }

	    if (!(rpmtsFlags(ts) & RPMTRANS_FLAG_NOTRIGGERPOSTUN)) {
		/* Run triggers in other package(s) this package sets off. */
		rc = rpmpsmNext(psm, PSM_TRIGGERS);
		if (rc) break;
	    }

	    rc = rpmpsmNext(psm, PSM_RPMDB_REMOVE);
	}
	break;
    case PSM_UNDO:
	break;
    case PSM_FINI:
	if (rc) {
	    char *emsg = rpmcpioStrerror(rc);
	    if (psm->failedFile)
		rpmlog(RPMLOG_ERR,
			_("%s failed on file %s: %s\n"),
			psm->goalName, psm->failedFile, emsg);
	    else
		rpmlog(RPMLOG_ERR, _("%s failed: %s\n"),
			psm->goalName, emsg);
	    free(emsg);

	    /* XXX notify callback on error. */
	    rpmtsNotify(ts, psm->te, RPMCALLBACK_CPIO_ERROR, 0, 0);
	}

	psm->failedFile = _free(psm->failedFile);

	fi->apath = _free(fi->apath);
	break;

    case PSM_CREATE:
	break;
    case PSM_DESTROY:
	break;
    case PSM_SCRIPT:	/* Run current package scriptlets. */
	rc = runInstScript(psm);
	break;
    case PSM_TRIGGERS:
	/* Run triggers in other package(s) this package sets off. */
	rc = runTriggers(psm);
	break;
    case PSM_IMMED_TRIGGERS:
	/* Run triggers in this package other package(s) set off. */
	rc = runImmedTriggers(psm);
	break;

    case PSM_RPMDB_ADD: {
	Header h = rpmteHeader(psm->te);

	if (!headerIsEntry(h, RPMTAG_INSTALLTID)) {
	    rpm_tid_t tid = rpmtsGetTid(ts);
	    if (tid != 0 && tid != (rpm_tid_t)-1)
		headerPutUint32(h, RPMTAG_INSTALLTID, &tid, 1);
	}
	
	(void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_DBADD), 0);
	rc = (rpmdbAdd(rpmtsGetRdb(ts), h) == 0) ? RPMRC_OK : RPMRC_FAIL;
	(void) rpmswExit(rpmtsOp(ts, RPMTS_OP_DBADD), 0);

	if (rc == RPMRC_OK)
	    rpmteSetDBInstance(psm->te, headerGetInstance(h));
	headerFree(h);
    }   break;

    case PSM_RPMDB_REMOVE:
	(void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_DBREMOVE), 0);
	rc = (rpmdbRemove(rpmtsGetRdb(ts), rpmteDBInstance(psm->te)) == 0) ?
						    RPMRC_OK : RPMRC_FAIL;
	(void) rpmswExit(rpmtsOp(ts, RPMTS_OP_DBREMOVE), 0);
	if (rc == RPMRC_OK)
	    rpmteSetDBInstance(psm->te, 0);
	break;

    default:
	break;
   }

    return rc;
}
コード例 #10
0
ファイル: rpmgi.c プロジェクト: avokhmin/RPM5
rpmRC rpmgiNext(/*@null@*/ rpmgi gi)
{
    char hnum[32];
    rpmRC rpmrc = RPMRC_NOTFOUND;
    int xx;

    if (gi == NULL)
	return rpmrc;

if (_rpmgi_debug)
fprintf(stderr, "--> %s(%p) tag %s\n", __FUNCTION__, gi, tagName(gi->tag));

    /* Free header from previous iteration. */
    (void)headerFree(gi->h);
    gi->h = NULL;
    gi->hdrPath = _free(gi->hdrPath);
    hnum[0] = '\0';

    if (++gi->i >= 0)
    switch (gi->tag) {
    default:
	if (!gi->active) {
nextkey:
	    rpmrc = rpmgiLoadNextKey(gi);
	    if (rpmrc != RPMRC_OK)
		goto enditer;
	    rpmrc = rpmgiInitFilter(gi);
	    if (rpmrc != RPMRC_OK || gi->mi == NULL) {
		gi->mi = rpmmiFree(gi->mi);	/* XXX unnecessary */
		gi->i++;
		goto nextkey;
	    }
	    rpmrc = RPMRC_NOTFOUND;	/* XXX hack */
	    gi->active = 1;
	}
	if (gi->mi != NULL) {	/* XXX unnecessary */
	    Header h = rpmmiNext(gi->mi);
	    if (h != NULL) {
		if (!(gi->flags & RPMGI_NOHEADER))
		    gi->h = headerLink(h);
		/* XXX use h->origin instead. */
		sprintf(hnum, "%u", (unsigned)rpmmiInstance(gi->mi));
		gi->hdrPath = rpmExpand("rpmdb h# ", hnum, NULL);
		rpmrc = RPMRC_OK;
		/* XXX header reference held by iterator, so no headerFree */
	    }
	}
	if (rpmrc != RPMRC_OK) {
	    gi->mi = rpmmiFree(gi->mi);
	    goto nextkey;
	}
	break;
    case RPMDBI_PACKAGES:
	if (!gi->active) {
	    rpmrc = rpmgiInitFilter(gi);
	    if (rpmrc != RPMRC_OK) {
		gi->mi = rpmmiFree(gi->mi);	/* XXX unnecessary */
		goto enditer;
	    }
	    rpmrc = RPMRC_NOTFOUND;	/* XXX hack */
	    gi->active = 1;
	}
	if (gi->mi != NULL) {	/* XXX unnecessary */
	    Header h = rpmmiNext(gi->mi);
	    if (h != NULL) {
		if (!(gi->flags & RPMGI_NOHEADER))
		    gi->h = headerLink(h);
		/* XXX use h->origin instead. */
		sprintf(hnum, "%u", (unsigned)rpmmiInstance(gi->mi));
		gi->hdrPath = rpmExpand("rpmdb h# ", hnum, NULL);
		rpmrc = RPMRC_OK;
		/* XXX header reference held by iterator, so no headerFree */
	    }
	}
	if (rpmrc != RPMRC_OK) {
	    gi->mi = rpmmiFree(gi->mi);
	    goto enditer;
	}
	break;
    case RPMDBI_REMOVED:
    case RPMDBI_ADDED:
    {	rpmte p;
	int teType = 0;
	const char * teTypeString = NULL;

	if (!gi->active) {
	    gi->tsi = rpmtsiInit(gi->ts);
	    gi->active = 1;
	}
	if ((p = rpmtsiNext(gi->tsi, teType)) != NULL) {
	    Header h = rpmteHeader(p);
	    if (h != NULL)
		if (!(gi->flags & RPMGI_NOHEADER)) {
		    gi->h = headerLink(h);
		switch(rpmteType(p)) {
		case TR_ADDED:	teTypeString = "+++";	/*@switchbreak@*/break;
		case TR_REMOVED: teTypeString = "---";	/*@switchbreak@*/break;
		}
		sprintf(hnum, "%u", (unsigned)gi->i);
		gi->hdrPath = rpmExpand("%s h# ", teTypeString, hnum, NULL);
		rpmrc = RPMRC_OK;
		(void)headerFree(h);
		h = NULL;
	    }
	}
	if (rpmrc != RPMRC_OK) {
	    gi->tsi = rpmtsiFree(gi->tsi);
	    goto enditer;
	}
    }	break;
    case RPMDBI_HDLIST:
	if (!gi->active) {
	    const char * path = rpmExpand("%{?_query_hdlist_path}", NULL);
	    if (path == NULL || *path == '\0') {
		path = _free(path);
		path = rpmExpand(_query_hdlist_path, NULL);
	    }
	    gi->fd = rpmgiOpen(path, "rm%{?_rpmgio}");
	    gi->active = 1;
	    path = _free(path);
	}
	if (gi->fd != NULL) {
	    Header h = NULL;
	    const char item[] = "Header";
	    const char * msg = NULL;
/*@+voidabstract@*/
	    rpmrc = rpmpkgRead(item, gi->fd, &h, &msg);
/*@=voidabstract@*/
	    switch(rpmrc) {
		default:
		    rpmlog(RPMLOG_ERR, "%s: %s: %s\n", "rpmpkgRead", item, msg);
		case RPMRC_NOTFOUND:
		    h = NULL;
		case RPMRC_OK:
		    break;
	    }
	    msg = _free(msg);
	    if (h != NULL) {
		if (!(gi->flags & RPMGI_NOHEADER))
		    gi->h = headerLink(h);
		sprintf(hnum, "%u", (unsigned)gi->i);
		gi->hdrPath = rpmExpand("hdlist h# ", hnum, NULL);
		rpmrc = RPMRC_OK;
		(void)headerFree(h);
		h = NULL;
	    }
	}
	if (rpmrc != RPMRC_OK) {
	    if (gi->fd != NULL) (void) Fclose(gi->fd);
	    gi->fd = NULL;
	    goto enditer;
	}
	break;
    case RPMDBI_ARGLIST:
	/* XXX gi->active initialize? */
if (_rpmgi_debug  < 0)
fprintf(stderr, "*** gi %p\t%p[%d]: %s\n", gi, gi->argv, gi->i, gi->argv[gi->i]);
	/* Read next header, lazily expanding manifests as found. */
	rpmrc = rpmgiLoadReadHeader(gi);

	if (rpmrc != RPMRC_OK)	/* XXX check this */
	    goto enditer;

	gi->hdrPath = xstrdup(gi->argv[gi->i]);
	break;
    case RPMDBI_FTSWALK:
	if (gi->argv == NULL || gi->argv[0] == NULL)		/* HACK */
	    goto enditer;

	if (!gi->active) {
	    gi->ftsp = Fts_open((char *const *)gi->argv, gi->ftsOpts, NULL);
	    /* XXX NULL with open(2)/malloc(3) errno set */
	    gi->active = 1;
	}

	/* Read next header, lazily walking file tree. */
	rpmrc = rpmgiWalkReadHeader(gi);

	if (rpmrc != RPMRC_OK) {
	    xx = Fts_close(gi->ftsp);
	    gi->ftsp = NULL;
	    goto enditer;
	}

	if (gi->fts != NULL)
	    gi->hdrPath = xstrdup(gi->fts->fts_path);
	break;
    }

    if ((gi->flags & RPMGI_TSADD) && gi->h != NULL) {
	/* XXX rpmgi hack: Save header in transaction element. */
	if (gi->flags & RPMGI_ERASING) {
	    uint32_t hdrNum = headerGetInstance(gi->h);
	    xx = rpmtsAddEraseElement(gi->ts, gi->h, hdrNum);
	} else
	    xx = rpmtsAddInstallElement(gi->ts, gi->h, (fnpyKey)gi->hdrPath, 2, NULL);
    }
    goto exit;

enditer:
    if (gi->flags & RPMGI_TSORDER) {
	rpmts ts = gi->ts;

	/* Block access to indices used for depsolving. */
	if (!(gi->flags & RPMGI_ERASING)) {
	    (void) rpmtsSetGoal(ts, TSM_INSTALL);
	    xx = rpmdbBlockDBI(rpmtsGetRdb(ts), -RPMDBI_DEPCACHE);
	    xx = rpmdbBlockDBI(rpmtsGetRdb(ts), -RPMTAG_BASENAMES);
	    xx = rpmdbBlockDBI(rpmtsGetRdb(ts), -RPMTAG_PROVIDENAME);
	} else {
	    (void) rpmtsSetGoal(ts, TSM_ERASE);
	}

	/* XXX query/verify will need the glop added to a buffer instead. */
	xx = rpmcliInstallCheck(ts);
	xx = rpmcliInstallSuggests(ts);

	/* Permit access to indices used for depsolving. */
	if (!(gi->flags & RPMGI_ERASING)) {
	    xx = rpmdbBlockDBI(rpmtsGetRdb(ts), RPMTAG_PROVIDENAME);
	    xx = rpmdbBlockDBI(rpmtsGetRdb(ts), RPMTAG_BASENAMES);
	    xx = rpmdbBlockDBI(rpmtsGetRdb(ts), RPMDBI_DEPCACHE);
	}

	/* XXX Display dependency loops with rpm -qvT. */
	if (rpmIsVerbose())
	    (void) rpmtsSetDFlags(ts, (rpmtsDFlags(ts) | RPMDEPS_FLAG_DEPLOOPS));

	xx = (*gi->tsOrder) (ts);

	/* XXX hackery alert! */
	gi->tag = (!(gi->flags & RPMGI_ERASING) ? RPMDBI_ADDED : RPMDBI_REMOVED);
	gi->flags &= ~(RPMGI_TSADD|RPMGI_TSORDER);

    }

    (void)headerFree(gi->h);
    gi->h = NULL;
    gi->hdrPath = _free(gi->hdrPath);
    gi->i = -1;
    gi->active = 0;

exit:
if (_rpmgi_debug)
fprintf(stderr, "<-- %s(%p) rc %d\n", __FUNCTION__, gi, rpmrc);
    return rpmrc;
}