示例#1
0
文件: tagexts.c 项目: Distrotech/rpm
/*
 * Helper to convert 32bit tag to 64bit version.
 * If header has new 64bit tag then just return the data,
 * otherwise convert 32bit old tag data to 64bit values.
 * For consistency, always return malloced data.
 */
static int get64(Header h, rpmtd td, rpmTag newtag, rpmTag oldtag)
{
    int rc;

    if (headerIsEntry(h, newtag)) {
	rc = headerGet(h, newtag, td, HEADERGET_ALLOC);
    } else {
	struct rpmtd_s olddata;
	uint32_t *d32 = NULL;
	uint64_t *d64 = NULL;

	headerGet(h, oldtag, &olddata, HEADERGET_MINMEM);
	if (rpmtdType(&olddata) == RPM_INT32_TYPE) {
	    td->type = RPM_INT64_TYPE;
	    td->count = olddata.count;
	    td->flags = RPMTD_ALLOCED;
	    td->data = xmalloc(sizeof(*d64) * td->count);
	    d64 = td->data;
	    while ((d32 = rpmtdNextUint32(&olddata))) {
		*d64++ = *d32;
	    }
	} 
	rpmtdFreeData(&olddata);
	rc = d64 ? 1 : 0;
    }

    return rc;
}
示例#2
0
int headerFindSpec(Header h)
{
    struct rpmtd_s filenames;
    int specix = -1;

    if (headerGet(h, RPMTAG_BASENAMES, &filenames, HEADERGET_MINMEM)) {
	struct rpmtd_s td;
	const char *str;
	
	/* Try to find spec by file flags */
	if (headerGet(h, RPMTAG_FILEFLAGS, &td, HEADERGET_MINMEM)) {
	    rpmfileAttrs *flags;
	    while (specix < 0 && (flags = rpmtdNextUint32(&td))) {
		if (*flags & RPMFILE_SPECFILE)
		    specix = rpmtdGetIndex(&td);
	    }
	    rpmtdFreeData(&td);
	}
	/* Still no spec? Look by filename. */
	while (specix < 0 && (str = rpmtdNextString(&filenames))) {
	    if (rpmFileHasSuffix(str, ".spec")) 
		specix = rpmtdGetIndex(&filenames);
	}
	rpmtdFreeData(&filenames);
    }
    return specix;
}
示例#3
0
文件: tagexts.c 项目: Distrotech/rpm
static int headercolorTag(Header h, rpmtd td, headerGetFlags hgflags)
{
    rpm_color_t *fcolor, hcolor = 0;
    struct rpmtd_s fcolors;

    headerGet(h, RPMTAG_FILECOLORS, &fcolors, HEADERGET_MINMEM);
    while ((fcolor = rpmtdNextUint32(&fcolors)) != NULL) {
	hcolor |= *fcolor;
    }
    rpmtdFreeData(&fcolors);
    hcolor &= 0x0f;

    return numberTag(td, hcolor);
}
示例#4
0
文件: rpmfi.c 项目: devzero2000/RPM
/* validate a indexed tag data triplet (such as file bn/dn/dx) */
static int indexSane(rpmtd xd, rpmtd yd, rpmtd zd)
{
    int sane = 0;
    uint32_t xc = rpmtdCount(xd);
    uint32_t yc = rpmtdCount(yd);
    uint32_t zc = rpmtdCount(zd);

    /* check that the amount of data in each is sane */
    if (xc > 0 && yc > 0 && yc <= xc && zc == xc) {
	uint32_t * i;
	/* ...and that the indexes are within bounds */
	while ((i = rpmtdNextUint32(zd))) {
	    if (*i >= yc)
		break;
	}
	/* unless the loop runs to finish, the data is broken */
	sane = (i == NULL);
    }
    return sane;
}
示例#5
0
文件: sepolicy.c 项目: 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;
}
示例#6
0
文件: psm.c 项目: pombredanne/rpm-3
rpmRC rpmInstallSourcePackage(rpmts ts, FD_t fd,
		char ** specFilePtr, char ** cookie)
{
    rpmfi fi = NULL;
    char * specFile = NULL;
    const char *rootdir = rpmtsRootDir(ts);
    Header h = NULL;
    rpmpsm psm = NULL;
    rpmte te = NULL;
    rpmRC rpmrc;
    int specix = -1;
    struct rpmtd_s filenames;

    rpmtdReset(&filenames);
    rpmrc = rpmReadPackageFile(ts, fd, NULL, &h);
    switch (rpmrc) {
    case RPMRC_NOTTRUSTED:
    case RPMRC_NOKEY:
    case RPMRC_OK:
	break;
    default:
	goto exit;
	break;
    }
    if (h == NULL)
	goto exit;

    rpmrc = RPMRC_FAIL; /* assume failure */

    if (!headerIsSource(h)) {
	rpmlog(RPMLOG_ERR, _("source package expected, binary found\n"));
	goto exit;
    }

    /* src.rpm install can require specific rpmlib features, check them */
    if (!rpmlibDeps(h))
	goto exit;

    if (headerGet(h, RPMTAG_BASENAMES, &filenames, HEADERGET_ALLOC)) {
	struct rpmtd_s td;
	const char *str;
	const char *_cookie = headerGetString(h, RPMTAG_COOKIE);
	if (cookie && _cookie) *cookie = xstrdup(_cookie);
	
	/* Try to find spec by file flags */
	if (_cookie && headerGet(h, RPMTAG_FILEFLAGS, &td, HEADERGET_MINMEM)) {
	    rpmfileAttrs *flags;
	    while (specix < 0 && (flags = rpmtdNextUint32(&td))) {
		if (*flags & RPMFILE_SPECFILE)
		    specix = rpmtdGetIndex(&td);
	    }
	}
	/* Still no spec? Look by filename. */
	while (specix < 0 && (str = rpmtdNextString(&filenames))) {
	    if (rpmFileHasSuffix(str, ".spec")) 
		specix = rpmtdGetIndex(&filenames);
	}
    }

    if (rootdir && rstreq(rootdir, "/"))
	rootdir = NULL;

    /* Macros need to be added before trying to create directories */
    rpmInstallLoadMacros(h);

    if (specix >= 0) {
	const char *bn;

	headerDel(h, RPMTAG_BASENAMES);
	headerDel(h, RPMTAG_DIRNAMES);
	headerDel(h, RPMTAG_DIRINDEXES);

	rpmtdInit(&filenames);
	for (int i = 0; (bn = rpmtdNextString(&filenames)); i++) {
	    int spec = (i == specix);
	    char *fn = rpmGenPath(rpmtsRootDir(ts),
				  spec ? "%{_specdir}" : "%{_sourcedir}", bn);
	    headerPutString(h, RPMTAG_OLDFILENAMES, fn);
	    if (spec) specFile = xstrdup(fn);
	    free(fn);
	}
	headerConvert(h, HEADERCONV_COMPRESSFILELIST);
    } else {
	rpmlog(RPMLOG_ERR, _("source package contains no .spec file\n"));
	goto exit;
    };

    if (rpmtsAddInstallElement(ts, h, NULL, 0, NULL)) {
	goto exit;
    }

    te = rpmtsElement(ts, 0);
    if (te == NULL) {	/* XXX can't happen */
	goto exit;
    }
    rpmteSetFd(te, fd);

    rpmteSetHeader(te, h);
    fi = rpmfiNew(ts, h, RPMTAG_BASENAMES, RPMFI_KEEPHEADER);
    h = headerFree(h);

    if (fi == NULL) {
	goto exit;
    }
    fi->apath = filenames.data; /* Ick */
    rpmteSetFI(te, fi);
    fi = rpmfiFree(fi);

    if (rpmMkdirs(rpmtsRootDir(ts), "%{_topdir}:%{_sourcedir}:%{_specdir}")) {
	goto exit;
    }

    {
	/* set all files to be installed */
	rpmfs fs = rpmteGetFileStates(te);
	int i;
	unsigned int fc = rpmfiFC(fi);
	for (i=0; i<fc; i++) rpmfsSetAction(fs, i, FA_CREATE);
    }

    psm = rpmpsmNew(ts, te);
    psm->goal = PKG_INSTALL;

   	/* FIX: psm->fi->dnl should be owned. */
    if (rpmpsmStage(psm, PSM_PROCESS) == RPMRC_OK)
	rpmrc = RPMRC_OK;

    (void) rpmpsmStage(psm, PSM_FINI);
    rpmpsmFree(psm);

exit:
    if (specFilePtr && specFile && rpmrc == RPMRC_OK)
	*specFilePtr = specFile;
    else
	free(specFile);

    headerFree(h);
    rpmfiFree(fi);

    /* XXX nuke the added package(s). */
    rpmtsClean(ts);

    return rpmrc;
}
示例#7
0
文件: spec.c 项目: daviddavis/rpm.rb
/*
 * Create a spec file object from a spec file
 * @param [String] filename Spec file path
 * @return [Spec]
 */
static VALUE
spec_s_open(VALUE klass, VALUE filename)
{
#if RPM_VERSION_CODE < RPM_VERSION(4,1,0)
	Spec rspec;
#else
	rpmts ts = NULL;
#endif

	if (TYPE(filename) != T_STRING) {
		rb_raise(rb_eTypeError, "illegal argument type");
	}

#if RPM_VERSION_CODE < RPM_VERSION(4,1,0)
	switch (parseSpec(&rspec, RSTRING_PTR(filename), "/", NULL, 0, "", NULL, 1, 1)) {
	case 0:
		if (rspec != NULL) {
			break;
		}

	default:
		rb_raise(rb_eRuntimeError, "specfile `%s' parsing failed", RSTRING_PTR(filename));
	}
	return Data_Wrap_Struct(klass, NULL, spec_free, rspec);
#else
	ts = rpmtsCreate();
#if RPM_VERSION_CODE < RPM_VERSION(4,4,8)
	switch (parseSpec(ts, RSTRING_PTR(filename), "/", NULL, 0, "", NULL, 1, 1)) {
#elif RPM_VERSION_CODE < RPM_VERSION(4,5,90)
	switch (parseSpec(ts, RSTRING_PTR(filename), "/", 0, "", NULL, 1, 1, 0)) {
#elif RPM_VERSION_CODE < RPM_VERSION(5,0,0)
	switch (parseSpec(ts, RSTRING_PTR(filename), "/", NULL, 0, "", NULL, 1, 1)) {
#else
	switch (parseSpec(ts, RSTRING_PTR(filename), "/", 0, "", NULL, 1, 1, 0)) {
#endif
	case 0:
		if (ts != NULL) {
			break;
		}

	default:
		rb_raise(rb_eRuntimeError, "specfile `%s' parsing failed", RSTRING_PTR(filename));
	}
	return Data_Wrap_Struct(klass, NULL, ts_free, ts);
#endif
}

/*
 *
 * Alias for Spec#open
 */
VALUE
rpm_spec_open(const char* filename)
{
	return spec_s_open(rpm_cSpec, rb_str_new2(filename));
}

/*
 * @return [String] Return Build root defined in the spec file
 */
VALUE
rpm_spec_get_buildroot(VALUE spec)
{
#if RPM_VERSION_CODE < RPM_VERSION(4,5,90)
	if (RPM_SPEC(spec)->buildRootURL) {
		return rb_str_new2(RPM_SPEC(spec)->buildRootURL);
	}
#elif RPM_VERSION_CODE < RPM_VERSION(4,5,90)
	if (RPM_SPEC(spec)->rootURL) {
		return rb_str_new2(RPM_SPEC(spec)->rootURL);
	}
#elif RPM_VERSION_CODE < RPM_VERSION(5,0,0)
	if (RPM_SPEC(spec)->buildRoot) {
		return rb_str_new2(RPM_SPEC(spec)->buildRoot);
	}
#else
	const char *buildRootURL = rpmGenPath(RPM_SPEC(spec)->rootURL, "%{?buildroot}", NULL);
	VALUE result = rb_str_new2(buildRootURL);
	buildRootURL = _free(buildRootURL);
	return result;
#endif
	return Qnil;
}

/*
 * @return [String] Return Build subdirectory defined in the spec file
 */
VALUE
rpm_spec_get_buildsubdir(VALUE spec)
{
	if (RPM_SPEC(spec)->buildSubdir) {
		return rb_str_new2(RPM_SPEC(spec)->buildSubdir);
	}
	return Qnil;
}

/*
 * @return [Array<String>] Return Build architectures defined in the spec file
 */
VALUE
rpm_spec_get_buildarchs(VALUE spec)
{
	VALUE ba = rb_ivar_get(spec, id_ba);

	if (NIL_P(ba)) {
		register int i;
		ba = rb_ary_new();
		for (i = 0; i < RPM_SPEC(spec)->BACount; i++) {
			rb_ary_push(ba, rb_str_new2(RPM_SPEC(spec)->BANames[i]));
		}
		rb_ivar_set(spec, id_ba, ba);
	}

	return ba;
}

/*
 * @return [Array<RPM::Require>] Return Build requires defined in the spec file
 */
VALUE
rpm_spec_get_buildrequires(VALUE spec)
{
	VALUE br = rb_ivar_get(spec, id_br);

#if RPM_VERSION_CODE < RPM_VERSION(4,6,0) || RPM_VERSION_CODE >= RPM_VERSION(5,0,0)
	if (NIL_P(br)) {
		const char** names;
		const char** vers;
		int_32* flags;
		int_32 count;
		rpmTagType nt, vt, type;
		register int i;

		br = rb_ary_new();
		if (!headerGetEntryMinMemory(RPM_SPEC(spec)->buildRestrictions,
									 RPMTAG_REQUIRENAME, (hTYP_t)&nt,
									 (hPTR_t*)&names, (hCNT_t)&count)) {
			goto leave;
		}

		get_entry(RPM_SPEC(spec)->buildRestrictions, RPMTAG_REQUIREVERSION,
				  &vt, (void*)&vers);
		get_entry(RPM_SPEC(spec)->buildRestrictions, RPMTAG_REQUIREFLAGS,
				  &type, (void*)&flags);

		for (i = 0; i < count; i++) {
			rb_ary_push(br, rpm_require_new(names[i], rpm_version_new(vers[i]),
											flags[i], spec));
		}

		release_entry(nt, names);
		release_entry(vt, vers);

		rb_ivar_set(spec, id_br, br);
	}

 leave:
	return br;
#else
	rpmtd nametd = rpmtdNew();
	rpmtd versiontd = rpmtdNew();
	rpmtd flagtd = rpmtdNew();

	if (NIL_P(br)) {
		br = rb_ary_new();
		if (!headerGet(RPM_SPEC(spec)->buildRestrictions,
                       RPMTAG_REQUIRENAME, nametd, HEADERGET_MINMEM)) {
			goto leave;
		}

		get_entry(RPM_SPEC(spec)->buildRestrictions, RPMTAG_REQUIREVERSION,
				  versiontd);
		get_entry(RPM_SPEC(spec)->buildRestrictions, RPMTAG_REQUIREFLAGS,
				  flagtd);

		rpmtdInit(nametd);
        while ( rpmtdNext(nametd) != -1 ) {
			rb_ary_push(br, rpm_require_new(rpmtdGetString(nametd), rpm_version_new(rpmtdNextString(versiontd)), *rpmtdNextUint32(flagtd), spec));
		}
		rb_ivar_set(spec, id_br, br);
	}

 leave:
	rpmtdFree(nametd);
	rpmtdFree(versiontd);
	rpmtdFree(flagtd);

	return br;
#endif
}

/*
 * @return [Array<RPM::Conflict>] Return Build conflicts defined in the spec file
 */
VALUE
rpm_spec_get_buildconflicts(VALUE spec)
{
	VALUE bc = rb_ivar_get(spec, id_bc);
#if RPM_VERSION_CODE < RPM_VERSION(4,6,0) || RPM_VERSION_CODE >= RPM_VERSION(5,0,0)
	if (NIL_P(bc)) {
		const char** names;
		const char** vers;
		int_32* flags;
		int_32 count;
		rpmTagType nt, vt, type;
		register int i;

		bc = rb_ary_new();
		if (!headerGetEntryMinMemory(RPM_SPEC(spec)->buildRestrictions,
									 RPMTAG_CONFLICTNAME, (hTYP_t)&nt,
									 (hPTR_t*)&names, (hCNT_t)&count)) {
			goto leave;
		}

		get_entry(RPM_SPEC(spec)->buildRestrictions, RPMTAG_CONFLICTVERSION,
				  &vt, (void*)&vers);
		get_entry(RPM_SPEC(spec)->buildRestrictions, RPMTAG_CONFLICTFLAGS,
				  &type, (void*)&flags);

		for (i = 0; i < count; i++) {
			rb_ary_push(bc, rpm_conflict_new(names[i], rpm_version_new(vers[i]),
											 flags[i], spec));
		}

		release_entry(nt, names);
		release_entry(vt, vers);

		rb_ivar_set(spec, id_bc, bc);
	}
 leave:
	return bc;
#else
	rpmtd nametd = rpmtdNew();
	rpmtd versiontd = rpmtdNew();
	rpmtd flagtd = rpmtdNew();

	if (NIL_P(bc)) {
		bc = rb_ary_new();
		if (!headerGet(RPM_SPEC(spec)->buildRestrictions,
                       RPMTAG_CONFLICTNAME, nametd, HEADERGET_MINMEM)) {

			goto leave;
		}

		get_entry(RPM_SPEC(spec)->buildRestrictions, RPMTAG_CONFLICTVERSION,
				  versiontd);
		get_entry(RPM_SPEC(spec)->buildRestrictions, RPMTAG_CONFLICTFLAGS,
				  flagtd);

		rpmtdInit(nametd);
		while ( rpmtdNext(nametd) != -1) {
			rb_ary_push(bc, rpm_conflict_new(rpmtdGetString(nametd), rpm_version_new(rpmtdNextString(versiontd)), *rpmtdNextUint32(flagtd), spec));
		}

		rb_ivar_set(spec, id_bc, bc);
	}
 leave:
	rpmtdFree(nametd);
	rpmtdFree(versiontd);
	rpmtdFree(flagtd);

	return bc;
#endif
}
示例#8
0
/*
 * explode source RPM into the current directory
 * use filters to skip packages and files we do not need
 */
int explodeRPM(const char *source,
               filterfunc filter,
               dependencyfunc provides,
               dependencyfunc deps,
               void* userptr)
{
    char buffer[BUFFERSIZE+1]; /* make space for trailing \0 */
    FD_t fdi;
    Header h;
    char * rpmio_flags = NULL;
    rpmRC rc;
    FD_t gzdi;
    struct archive *cpio;
    struct archive_entry *cpio_entry;
    struct cpio_mydata cpio_mydata;

    rpmts ts;
    rpmVSFlags vsflags;
    const char *compr;

    int packageflags = 0;

    if (strcmp(source, "-") == 0)
        fdi = fdDup(STDIN_FILENO);
    else
        fdi = Fopen(source, "r.ufdio");

    if (Ferror(fdi)) {
        const char *srcname = (strcmp(source, "-") == 0) ? "<stdin>" : source;
        logMessage(ERROR, "%s: %s\n", srcname, Fstrerror(fdi));
        return EXIT_FAILURE;
    }
    rpmReadConfigFiles(NULL, NULL);

    /* Initialize RPM transaction */
    ts = rpmtsCreate();
    vsflags = 0;

    /* Do not check digests, signatures or headers */
    vsflags |= _RPMVSF_NODIGESTS;
    vsflags |= _RPMVSF_NOSIGNATURES;
    vsflags |= RPMVSF_NOHDRCHK;
    (void) rpmtsSetVSFlags(ts, vsflags);

    rc = rpmReadPackageFile(ts, fdi, "rpm2dir", &h);

    ts = rpmtsFree(ts);

    switch (rc) {
    case RPMRC_OK:
    case RPMRC_NOKEY:
    case RPMRC_NOTTRUSTED:
        break;
    case RPMRC_NOTFOUND:
        logMessage(ERROR, "%s is not an RPM package", source);
        return EXIT_FAILURE;
        break;
    case RPMRC_FAIL:
    default:
        logMessage(ERROR, "error reading header from %s package\n", source);
        return EXIT_FAILURE;
        break;
    }

    /* Retrieve all dependencies and run them through deps function */
    while (deps) {
        struct rpmtd_s tddep;
        struct rpmtd_s tdver;
        struct rpmtd_s tdsense;

        const char *depname;
        const char *depversion;
        uint32_t depsense;

        if (!headerGet(h, RPMTAG_REQUIRES, &tddep, HEADERGET_MINMEM))
            break;

        if (!headerGet(h, RPMTAG_REQUIREVERSION, &tdver, HEADERGET_MINMEM)) {
            rpmtdFreeData(&tddep);
            break;
        }

        if (!headerGet(h, RPMTAG_REQUIREFLAGS, &tdsense, HEADERGET_MINMEM)) {
            rpmtdFreeData(&tddep);
            rpmtdFreeData(&tdver);
            break;
        }

        /* iterator */
        while ((depname = rpmtdNextString(&tddep))) {
            depversion = rpmtdNextString(&tdver);
            depsense = *(rpmtdNextUint32(&tdsense));
            if (deps(depname, depversion, depsense, userptr)) {
                rpmtdFreeData(&tddep);
                rpmtdFreeData(&tdver);
                rpmtdFreeData(&tdsense);
                Fclose(fdi);
                return EXIT_BADDEPS;
            }
        }

        rpmtdFreeData(&tddep);
        rpmtdFreeData(&tdver);
        rpmtdFreeData(&tdsense);

        break;
    }

    /* Retrieve all provides and run them through provides function */
    while (provides) {
        struct rpmtd_s tddep;
        struct rpmtd_s tdver;
        struct rpmtd_s tdsense;

        const char *depname;
        const char *depversion;
        uint32_t depsense;

        if (!headerGet(h, RPMTAG_PROVIDES, &tddep, HEADERGET_MINMEM))
            break;

        if (!headerGet(h, RPMTAG_PROVIDEVERSION, &tdver, HEADERGET_MINMEM)) {
            rpmtdFreeData(&tddep);
            break;
        }

        if (!headerGet(h, RPMTAG_PROVIDEFLAGS, &tdsense, HEADERGET_MINMEM)) {
            rpmtdFreeData(&tddep);
            rpmtdFreeData(&tdver);
            break;
        }

        /* iterator */
        while ((depname = rpmtdNextString(&tddep))) {
            depversion = rpmtdNextString(&tdver);
            depsense = *(rpmtdNextUint32(&tdsense));
            packageflags |= provides(depname, depversion, depsense, userptr);
        }

        rpmtdFreeData(&tddep);
        rpmtdFreeData(&tdver);
        rpmtdFreeData(&tdsense);

        if (packageflags == 0) {
            Fclose(fdi);
            return EXIT_BADDEPS;
        }
        break;
    }

    /* Retrieve type of payload compression. */
    compr = headerGetString(h, RPMTAG_PAYLOADCOMPRESSOR);
    if (compr && strcmp(compr, "gzip")) {
        checked_asprintf(&rpmio_flags, "r.%sdio", compr);
    }
    else {
        checked_asprintf(&rpmio_flags, "r.gzdio");
    }

    /* Open uncompressed cpio stream */
    gzdi = Fdopen(fdi, rpmio_flags);
    free(rpmio_flags);

    if (gzdi == NULL) {
        logMessage(ERROR, "cannot re-open payload: %s", Fstrerror(gzdi));
        return EXIT_FAILURE;
    }

    /* initialize cpio decompressor */
    cpio = archive_read_new();
    if (cpio==NULL) {
        Fclose(gzdi);
        return -1;
    }

    cpio_mydata.gzdi = gzdi;
    cpio_mydata.buffer = buffer;
    archive_read_support_compression_all(cpio);
    archive_read_support_format_all(cpio);
    rc = archive_read_open(cpio, &cpio_mydata, NULL, rpm_myread, rpm_myclose);

    /* check the status of archive_open */
    if (rc != ARCHIVE_OK) {
        Fclose(gzdi);
        return -1;
    }

    /* read all files in cpio archive */
    while ((rc = archive_read_next_header(cpio, &cpio_entry)) == ARCHIVE_OK) {
        const struct stat *fstat;
        int64_t fsize;
        const char* filename;
        int needskip = 1; /* do we need to read the data to get to the next header? */
        int offset = 0;
        int towrite = 0;

        filename = archive_entry_pathname(cpio_entry);
        fstat = archive_entry_stat(cpio_entry);
        fsize = archive_entry_size(cpio_entry);

        /* Strip leading slashes */
        while (filename[offset] == '/')
            offset+=1;

        /* Strip leading ./ */
        while (filename[offset] == '.' && filename[offset+1] == '/')
            offset+=2;

        /* Other file type - we do not care except special cases */
        if (!S_ISREG(fstat->st_mode))
            towrite = 1;
        else
            towrite = 2;

        if (filter && (!filter(filename+offset, fstat, packageflags, userptr))) {
            /* filter this file */
            towrite = 0;
        }

        /* Create directories */
        char* dirname = strdup(filename+offset);

        /* If the dup fails, let's hope the dirs already exist */
        if (dirname) {
            char* dirptr = dirname;
            while (dirptr && *dirptr) {
                dirptr = strchr(dirptr, '/');
                if (dirptr) {
                    *dirptr = 0;
                    mkdir(dirname, 0700);
                    *dirptr = '/';
                    dirptr++;
                }
            }
            free(dirname);
        }

        /* Regular file */
        if (towrite>=2) {
            FILE *fdout = fopen(filename+offset, "w");

            if (fdout==NULL) {
                rc = 33;
                break;
            }

            rc = archive_read_data_into_fd(cpio, fileno(fdout));
            if (rc!=ARCHIVE_OK) {
                /* XXX We didn't get the file.. well.. */
                needskip = 0;
            } else {
                needskip = 0;
            }

            fclose(fdout);

            /* set access rights */
            if (chmod(filename+offset, fstat->st_mode)) {
                logMessage(ERROR, "Failed to set the rights for %s to %04o", filename+offset, fstat->st_mode);
            }
        }

        /* symlink, we assume that the path contained in symlink
         * is shorter than BUFFERSIZE */
        while (towrite && S_ISLNK(fstat->st_mode)) {
            char symlinkbuffer[BUFFERSIZE-1];

            needskip = 0;
            if ((rc = archive_read_data(cpio, symlinkbuffer, fsize))!=ARCHIVE_OK) {
                /* XXX We didn't get the file.. well.. */
                break;
            }

            if (symlink(buffer, filename+offset)) {
                logMessage(ERROR, "Failed to create symlink %s -> %s", filename+offset, buffer);
            }

            break;
        }

        if(needskip)
            archive_read_data_skip(cpio);
    }

    rc = archive_read_finish(cpio); /* Also closes the RPM stream using callback */

    return rc != ARCHIVE_OK;
}