Example #1
0
/** \ingroup header
 * Duplicate a header.
 * @param h		header
 * @return		new header instance
 */
Header headerCopy(Header h)
{
    Header nh = headerNew();
    HeaderIterator hi;
    struct rpmtd_s td;
   
    hi = headerInitIterator(h);
    while (headerNext(hi, &td)) {
	if (rpmtdCount(&td) > 0) {
	    (void) headerPut(nh, &td, HEADERPUT_DEFAULT);
	}
	rpmtdFreeData(&td);
    }
    hi = headerFreeIterator(hi);

    return headerReload(nh, HEADER_IMAGE);
}
Example #2
0
File: pack.c Project: nforro/rpm
static rpmRC writeHdr(FD_t fd, Header pkgh)
{
    /* Reallocate the header into one contiguous region for writing. */
    Header h = headerReload(headerCopy(pkgh), RPMTAG_HEADERIMMUTABLE);
    rpmRC rc = RPMRC_FAIL;

    if (h == NULL) {
	rpmlog(RPMLOG_ERR,_("Unable to create immutable header region\n"));
	goto exit;
    }

    if (headerWrite(fd, h, HEADER_MAGIC_YES)) {
	rpmlog(RPMLOG_ERR, _("Unable to write header to %s: %s\n"),
		Fdescr(fd), Fstrerror(fd));
	goto exit;
    }
    (void) Fflush(fd);
    rc = RPMRC_OK;

exit:
    headerFree(h);
    return rc;
}
Example #3
0
File: pack.c Project: kaltsi/rpm
static rpmRC writeRPM(Header *hdrp, unsigned char ** pkgidp, const char *fileName,
	     CSA_t csa, char **cookie)
{
    FD_t fd = NULL;
    FD_t ifd = NULL;
    ssize_t count;
    char * sigtarget = NULL;;
    char * rpmio_flags = NULL;
    char * SHA1 = NULL;
    const char *s;
    char *buf = NULL;
    Header h;
    Header sig = NULL;
    int xx;
    rpmRC rc = RPMRC_OK;
    struct rpmtd_s td;
    rpmTagVal sizetag;
    rpmTagVal payloadtag;

    /* Transfer header reference form *hdrp to h. */
    h = headerLink(*hdrp);
    *hdrp = headerFree(*hdrp);

    if (pkgidp)
	*pkgidp = NULL;

    /* Save payload information */
    if (headerIsSource(h))
	rpmio_flags = rpmExpand("%{?_source_payload}", NULL);
    else 
	rpmio_flags = rpmExpand("%{?_binary_payload}", NULL);

    if (!(rpmio_flags && *rpmio_flags)) {
	rpmio_flags = _free(rpmio_flags);
	rpmio_flags = xstrdup("w9.gzdio");
    }
    s = strchr(rpmio_flags, '.');
    if (s) {
	const char *compr = NULL;
	headerPutString(h, RPMTAG_PAYLOADFORMAT, "cpio");

	if (rstreq(s+1, "ufdio")) {
	    compr = NULL;
	} else if (rstreq(s+1, "gzdio")) {
	    compr = "gzip";
#if HAVE_BZLIB_H
	} else if (rstreq(s+1, "bzdio")) {
	    compr = "bzip2";
	    /* Add prereq on rpm version that understands bzip2 payloads */
	    (void) rpmlibNeedsFeature(h, "PayloadIsBzip2", "3.0.5-1");
#endif
#if HAVE_LZMA_H
	} else if (rstreq(s+1, "xzdio")) {
	    compr = "xz";
	    (void) rpmlibNeedsFeature(h, "PayloadIsXz", "5.2-1");
	} else if (rstreq(s+1, "lzdio")) {
	    compr = "lzma";
	    (void) rpmlibNeedsFeature(h, "PayloadIsLzma", "4.4.6-1");
#endif
	} else {
	    rpmlog(RPMLOG_ERR, _("Unknown payload compression: %s\n"),
		   rpmio_flags);
	    rc = RPMRC_FAIL;
	    goto exit;
	}

	if (compr)
	    headerPutString(h, RPMTAG_PAYLOADCOMPRESSOR, compr);
	buf = xstrdup(rpmio_flags);
	buf[s - rpmio_flags] = '\0';
	headerPutString(h, RPMTAG_PAYLOADFLAGS, buf+1);
	free(buf);
    }

    /* Create and add the cookie */
    if (cookie) {
	rasprintf(cookie, "%s %d", buildHost(), (int) (*getBuildTime()));
	headerPutString(h, RPMTAG_COOKIE, *cookie);
    }
    
    /* Reallocate the header into one contiguous region. */
    h = headerReload(h, RPMTAG_HEADERIMMUTABLE);
    if (h == NULL) {	/* XXX can't happen */
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("Unable to create immutable header region.\n"));
	goto exit;
    }
    /* Re-reference reallocated header. */
    *hdrp = headerLink(h);

    /*
     * Write the header+archive into a temp file so that the size of
     * archive (after compression) can be added to the header.
     */
    fd = rpmMkTempFile(NULL, &sigtarget);
    if (fd == NULL || Ferror(fd)) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("Unable to open temp file.\n"));
	goto exit;
    }

    fdInitDigest(fd, PGPHASHALGO_SHA1, 0);
    if (headerWrite(fd, h, HEADER_MAGIC_YES)) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("Unable to write temp header\n"));
    } else { /* Write the archive and get the size */
	(void) Fflush(fd);
	fdFiniDigest(fd, PGPHASHALGO_SHA1, (void **)&SHA1, NULL, 1);
	if (csa->cpioList != NULL) {
	    rc = cpio_doio(fd, h, csa, rpmio_flags);
	} else if (Fileno(csa->cpioFdIn) >= 0) {
	    rc = cpio_copy(fd, csa);
	} else {
	    rc = RPMRC_FAIL;
	    rpmlog(RPMLOG_ERR, _("Bad CSA data\n"));
	}
    }

    if (rc != RPMRC_OK)
	goto exit;

    (void) Fclose(fd);
    fd = NULL;
    (void) unlink(fileName);

    /* Generate the signature */
    (void) fflush(stdout);
    sig = rpmNewSignature();

    /*
     * There should be rpmlib() dependency on this, but that doesn't
     * really do much good as these are signature tags that get read
     * way before dependency checking has a chance to figure out anything.
     * On the positive side, not inserting the 32bit tag at all means
     * older rpm will just bail out with error message on attempt to read
     * such a package.
     */
    if (csa->cpioArchiveSize < UINT32_MAX) {
	sizetag = RPMSIGTAG_SIZE;
	payloadtag = RPMSIGTAG_PAYLOADSIZE;
    } else {
	sizetag = RPMSIGTAG_LONGSIZE;
	payloadtag = RPMSIGTAG_LONGARCHIVESIZE;
    }
    (void) rpmGenDigest(sig, sigtarget, sizetag);
    (void) rpmGenDigest(sig, sigtarget, RPMSIGTAG_MD5);

    if (SHA1) {
	/* XXX can't use rpmtdFromFoo() on RPMSIGTAG_* items */
	rpmtdReset(&td);
	td.tag = RPMSIGTAG_SHA1;
	td.type = RPM_STRING_TYPE;
	td.data = SHA1;
	td.count = 1;
	headerPut(sig, &td, HEADERPUT_DEFAULT);
	SHA1 = _free(SHA1);
    }

    {	
	/* XXX can't use headerPutType() on legacy RPMSIGTAG_* items */
	rpmtdReset(&td);
	td.tag = payloadtag;
	td.count = 1;
	if (payloadtag == RPMSIGTAG_PAYLOADSIZE) {
	    rpm_off_t asize = csa->cpioArchiveSize;
	    td.type = RPM_INT32_TYPE;
	    td.data = &asize;
	    headerPut(sig, &td, HEADERPUT_DEFAULT);
	} else {
	    rpm_loff_t asize = csa->cpioArchiveSize;
	    td.type = RPM_INT64_TYPE;
	    td.data = &asize;
	    headerPut(sig, &td, HEADERPUT_DEFAULT);
	}
    }

    /* Reallocate the signature into one contiguous region. */
    sig = headerReload(sig, RPMTAG_HEADERSIGNATURES);
    if (sig == NULL) {	/* XXX can't happen */
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("Unable to reload signature header.\n"));
	goto exit;
    }

    /* Open the output file */
    fd = Fopen(fileName, "w.ufdio");
    if (fd == NULL || Ferror(fd)) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("Could not open %s: %s\n"),
		fileName, Fstrerror(fd));
	goto exit;
    }

    /* Write the lead section into the package. */
    {	
	rpmlead lead = rpmLeadFromHeader(h);
	rc = rpmLeadWrite(fd, lead);
	lead = rpmLeadFree(lead);
	if (rc != RPMRC_OK) {
	    rc = RPMRC_FAIL;
	    rpmlog(RPMLOG_ERR, _("Unable to write package: %s\n"),
		 Fstrerror(fd));
	    goto exit;
	}
    }

    /* Write the signature section into the package. */
    if (rpmWriteSignature(fd, sig)) {
	rc = RPMRC_FAIL;
	goto exit;
    }

    /* Append the header and archive */
    ifd = Fopen(sigtarget, "r.ufdio");
    if (ifd == NULL || Ferror(ifd)) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("Unable to open sigtarget %s: %s\n"),
		sigtarget, Fstrerror(ifd));
	goto exit;
    }

    /* Add signatures to header, and write header into the package. */
    /* XXX header+payload digests/signatures might be checked again here. */
    {	Header nh = headerRead(ifd, HEADER_MAGIC_YES);

	if (nh == NULL) {
	    rc = RPMRC_FAIL;
	    rpmlog(RPMLOG_ERR, _("Unable to read header from %s: %s\n"),
			sigtarget, Fstrerror(ifd));
	    goto exit;
	}

#ifdef	NOTYET
	(void) headerMergeLegacySigs(nh, sig);
#endif

	xx = headerWrite(fd, nh, HEADER_MAGIC_YES);
	nh = headerFree(nh);

	if (xx) {
	    rc = RPMRC_FAIL;
	    rpmlog(RPMLOG_ERR, _("Unable to write header to %s: %s\n"),
			fileName, Fstrerror(fd));
	    goto exit;
	}
    }
	
    /* Write the payload into the package. */
    buf = xmalloc(BUFSIZ);
    while ((count = Fread(buf, 1, BUFSIZ, ifd)) > 0) {
	if (count == -1) {
	    free(buf);
	    rc = RPMRC_FAIL;
	    rpmlog(RPMLOG_ERR, _("Unable to read payload from %s: %s\n"),
		     sigtarget, Fstrerror(ifd));
	    goto exit;
	}
	if (Fwrite(buf, sizeof(buf[0]), count, fd) != count) {
	    free(buf);
	    rc = RPMRC_FAIL;
	    rpmlog(RPMLOG_ERR, _("Unable to write payload to %s: %s\n"),
		     fileName, Fstrerror(fd));
	    goto exit;
	}
    }
    free(buf);
    rc = RPMRC_OK;

exit:
    rpmio_flags = _free(rpmio_flags);
    SHA1 = _free(SHA1);
    h = headerFree(h);

    /* XXX Fish the pkgid out of the signature header. */
    if (sig != NULL && pkgidp != NULL) {
	struct rpmtd_s md5tag;
	headerGet(sig, RPMSIGTAG_MD5, &md5tag, HEADERGET_DEFAULT);
	if (rpmtdType(&md5tag) == RPM_BIN_TYPE &&
	    			md5tag.count == 16 && md5tag.data != NULL) {
	    *pkgidp = md5tag.data;
	}
    }

    sig = rpmFreeSignature(sig);
    if (ifd) {
	(void) Fclose(ifd);
	ifd = NULL;
    }
    if (fd) {
	(void) Fclose(fd);
	fd = NULL;
    }
    if (sigtarget) {
	(void) unlink(sigtarget);
	sigtarget = _free(sigtarget);
    }

    if (rc == RPMRC_OK)
	rpmlog(RPMLOG_NOTICE, _("Wrote: %s\n"), fileName);
    else
	(void) unlink(fileName);

    return rc;
}
Example #4
0
/** \ingroup rpmcli
 * Create/modify elements in signature header.
 * @param rpm		path to package
 * @param deleting	adding or deleting signature?
 * @param signfiles	sign files if non-zero
 * @return		0 on success, -1 on error
 */
static int rpmSign(const char *rpm, int deleting, int signfiles)
{
    FD_t fd = NULL;
    FD_t ofd = NULL;
    char *trpm = NULL;
    Header sigh = NULL;
    Header h = NULL;
    char *msg = NULL;
    int res = -1; /* assume failure */
    rpmRC rc;
    struct rpmtd_s utd;
    off_t headerStart;
    off_t sigStart;
    struct sigTarget_s sigt_v3;
    struct sigTarget_s sigt_v4;
    unsigned int origSigSize;
    int insSig = 0;

    fprintf(stdout, "%s:\n", rpm);

    if (manageFile(&fd, rpm, O_RDWR))
	goto exit;

    if ((rc = rpmLeadRead(fd, &msg)) != RPMRC_OK) {
	rpmlog(RPMLOG_ERR, "%s: %s\n", rpm, msg);
	goto exit;
    }

    sigStart = Ftell(fd);
    rc = rpmReadSignature(fd, &sigh, &msg);
    if (rc != RPMRC_OK) {
	rpmlog(RPMLOG_ERR, _("%s: rpmReadSignature failed: %s"), rpm,
		    (msg && *msg ? msg : "\n"));
	goto exit;
    }

    headerStart = Ftell(fd);
    if (rpmReadHeader(NULL, fd, &h, &msg) != RPMRC_OK) {
	rpmlog(RPMLOG_ERR, _("%s: headerRead failed: %s\n"), rpm, msg);
	goto exit;
    }

    if (!headerIsEntry(h, RPMTAG_HEADERIMMUTABLE)) {
	rpmlog(RPMLOG_ERR, _("Cannot sign RPM v3 packages\n"));
	goto exit;
    }

    unloadImmutableRegion(&sigh, RPMTAG_HEADERSIGNATURES);
    origSigSize = headerSizeof(sigh, HEADER_MAGIC_YES);

    if (signfiles) {
	if (includeFileSignatures(&sigh, &h))
	    goto exit;
    }

    if (deleting) {	/* Nuke all the signature tags. */
	deleteSigs(sigh);
    } else {
	/* Signature target containing header + payload */
	sigt_v3.fd = fd;
	sigt_v3.start = headerStart;
	sigt_v3.fileName = rpm;
	sigt_v3.size = fdSize(fd) - headerStart;

	/* Signature target containing only header */
	sigt_v4 = sigt_v3;
	sigt_v4.size = headerSizeof(h, HEADER_MAGIC_YES);

	res = replaceSignature(sigh, &sigt_v3, &sigt_v4);
	if (res != 0) {
	    if (res == 1) {
		rpmlog(RPMLOG_WARNING,
		   _("%s already contains identical signature, skipping\n"),
		   rpm);
		/* Identical signature is not an error */
		res = 0;
	    }
	    goto exit;
	}
	res = -1;
    }

    /* Try to make new signature smaller to have size of original signature */
    rpmtdReset(&utd);
    if (headerGet(sigh, RPMSIGTAG_RESERVEDSPACE, &utd, HEADERGET_MINMEM)) {
	int diff;
	int count;
	char *reservedSpace = NULL;

	count = utd.count;
	diff = headerSizeof(sigh, HEADER_MAGIC_YES) - origSigSize;

	if (diff < count) {
	    reservedSpace = xcalloc(count - diff, sizeof(char));
	    headerDel(sigh, RPMSIGTAG_RESERVEDSPACE);
	    rpmtdReset(&utd);
	    utd.tag = RPMSIGTAG_RESERVEDSPACE;
	    utd.count = count - diff;
	    utd.type = RPM_BIN_TYPE;
	    utd.data = reservedSpace;
	    headerPut(sigh, &utd, HEADERPUT_DEFAULT);
	    free(reservedSpace);
	    insSig = 1;
	}
    }

    /* Reallocate the signature into one contiguous region. */
    sigh = headerReload(sigh, RPMTAG_HEADERSIGNATURES);
    if (sigh == NULL)	/* XXX can't happen */
	goto exit;

    if (insSig) {
	/* Insert new signature into original rpm */
	if (Fseek(fd, sigStart, SEEK_SET) < 0) {
	    rpmlog(RPMLOG_ERR, _("Could not seek in file %s: %s\n"),
		    rpm, Fstrerror(fd));
	    goto exit;
	}

	if (rpmWriteSignature(fd, sigh)) {
	    rpmlog(RPMLOG_ERR, _("%s: rpmWriteSignature failed: %s\n"), rpm,
		Fstrerror(fd));
	    goto exit;
	}
	res = 0;
    } else {
	/* Replace orignal rpm with new rpm containing new signature */
	rasprintf(&trpm, "%s.XXXXXX", rpm);
	ofd = rpmMkTemp(trpm);
	if (ofd == NULL || Ferror(ofd)) {
	    rpmlog(RPMLOG_ERR, _("rpmMkTemp failed\n"));
	    goto exit;
	}

	/* Write the lead/signature of the output rpm */
	rc = rpmLeadWrite(ofd, h);
	if (rc != RPMRC_OK) {
	    rpmlog(RPMLOG_ERR, _("%s: writeLead failed: %s\n"), trpm,
		Fstrerror(ofd));
	    goto exit;
	}

	if (rpmWriteSignature(ofd, sigh)) {
	    rpmlog(RPMLOG_ERR, _("%s: rpmWriteSignature failed: %s\n"), trpm,
		Fstrerror(ofd));
	    goto exit;
	}

	if (Fseek(fd, headerStart, SEEK_SET) < 0) {
	    rpmlog(RPMLOG_ERR, _("Could not seek in file %s: %s\n"),
		    rpm, Fstrerror(fd));
	    goto exit;
	}
	/* Append the header and archive from the temp file */
	if (copyFile(&fd, rpm, &ofd, trpm) == 0) {
	    struct stat st;

	    /* Move final target into place, restore file permissions. */
	    if (stat(rpm, &st) == 0 && unlink(rpm) == 0 &&
			rename(trpm, rpm) == 0 && chmod(rpm, st.st_mode) == 0) {
		res = 0;
	    } else {
		rpmlog(RPMLOG_ERR, _("replacing %s failed: %s\n"),
		       rpm, strerror(errno));
	    }
	}
    }

exit:
    if (fd)	(void) closeFile(&fd);
    if (ofd)	(void) closeFile(&ofd);

    headerFree(sigh);
    headerFree(h);
    free(msg);

    /* Clean up intermediate target */
    if (trpm) {
	(void) unlink(trpm);
	free(trpm);
    }

    return res;
}
Example #5
0
rpmRC rpmGenerateSignature(char *SHA1, uint8_t *MD5, rpm_loff_t size,
				rpm_loff_t payloadSize, FD_t fd)
{
    Header sig = headerNew();
    struct rpmtd_s td;
    rpmRC rc = RPMRC_OK;
    char *reservedSpace;
    int spaceSize = 32; /* always reserve a bit of space */
    int gpgSize = rpmExpandNumeric("%{__gpg_reserved_space}");

    /* Prepare signature */
    rpmtdReset(&td);
    td.tag = RPMSIGTAG_SHA1;
    td.count = 1;
    td.type = RPM_STRING_TYPE;
    td.data = SHA1;
    headerPut(sig, &td, HEADERPUT_DEFAULT);

    rpmtdReset(&td);
    td.tag = RPMSIGTAG_MD5;
    td.count = 16;
    td.type = RPM_BIN_TYPE;
    td.data = MD5;
    headerPut(sig, &td, HEADERPUT_DEFAULT);

    rpmtdReset(&td);
    td.count = 1;
    if (payloadSize < UINT32_MAX) {
	rpm_off_t p = payloadSize;
	rpm_off_t s = size;
	td.type = RPM_INT32_TYPE;

	td.tag = RPMSIGTAG_PAYLOADSIZE;
	td.data = &p;
	headerPut(sig, &td, HEADERPUT_DEFAULT);

	td.tag = RPMSIGTAG_SIZE;
	td.data = &s;
	headerPut(sig, &td, HEADERPUT_DEFAULT);
    } else {
	rpm_loff_t p = payloadSize;
	rpm_loff_t s = size;
	td.type = RPM_INT64_TYPE;

	td.tag = RPMSIGTAG_LONGARCHIVESIZE;
	td.data = &p;
	headerPut(sig, &td, HEADERPUT_DEFAULT);

	td.tag = RPMSIGTAG_LONGSIZE;
	td.data = &s;
	headerPut(sig, &td, HEADERPUT_DEFAULT);

	/* adjust for the size difference between 64- and 32bit tags */
	spaceSize -= 8;
    }

    if (gpgSize > 0)
	spaceSize += gpgSize;

    if(spaceSize > 0) {
	reservedSpace = xcalloc(spaceSize, sizeof(char));
	rpmtdReset(&td);
	td.tag = RPMSIGTAG_RESERVEDSPACE;
	td.count = spaceSize;
	td.type = RPM_BIN_TYPE;
	td.data = reservedSpace;
	headerPut(sig, &td, HEADERPUT_DEFAULT);
	free(reservedSpace);
    }

    /* Reallocate the signature into one contiguous region. */
    sig = headerReload(sig, RPMTAG_HEADERSIGNATURES);
    if (sig == NULL) { /* XXX can't happen */
	rpmlog(RPMLOG_ERR, _("Unable to reload signature header.\n"));
	rc = RPMRC_FAIL;
	goto exit;
    }

    /* Write the signature section into the package. */
    if (rpmWriteSignature(fd, sig)) {
	rc = RPMRC_FAIL;
	goto exit;
    }

exit:
    headerFree(sig);
    return rc;
}
Example #6
0
/* Build pubkey header. */
static int makePubkeyHeader(rpmts ts, rpmPubkey key, Header * hdrp)
{
    Header h = headerNew();
    const char * afmt = "%{pubkeys:armor}";
    const char * group = "Public Keys";
    const char * license = "pubkey";
    const char * buildhost = "localhost";
    const char * userid;
    rpmsenseFlags pflags = (RPMSENSE_KEYRING|RPMSENSE_EQUAL);
    uint32_t zero = 0;
    uint32_t keytime = 0;
    pgpDig dig = NULL;
    pgpDigParams pubp = NULL;
    char * d = NULL;
    char * enc = NULL;
    char * n = NULL;
    char * u = NULL;
    char * v = NULL;
    char * r = NULL;
    char * evr = NULL;
    int rc = -1;

    if ((enc = rpmPubkeyBase64(key)) == NULL)
	goto exit;
    if ((dig = rpmPubkeyDig(key)) == NULL)
	goto exit;
    if ((pubp = pgpDigGetParams(dig, PGPTAG_PUBLIC_KEY)) == NULL)
	goto exit;

    /* Build header elements. */
    v = pgpHexStr(pubp->signid, sizeof(pubp->signid)); 
    r = pgpHexStr(pubp->time, sizeof(pubp->time));
    userid = pubp->userid ? pubp->userid : "none";
    keytime = pgpGrab(pubp->time, sizeof(pubp->time));

    rasprintf(&n, "gpg(%s)", v+8);
    rasprintf(&u, "gpg(%s)", userid);
    rasprintf(&evr, "%d:%s-%s", pubp->version, v, r);

    headerPutString(h, RPMTAG_PUBKEYS, enc);

    if ((d = headerFormat(h, afmt, NULL)) == NULL)
	goto exit;

    headerPutString(h, RPMTAG_NAME, "gpg-pubkey");
    headerPutString(h, RPMTAG_VERSION, v+8);
    headerPutString(h, RPMTAG_RELEASE, r);
    headerPutString(h, RPMTAG_DESCRIPTION, d);
    headerPutString(h, RPMTAG_GROUP, group);
    headerPutString(h, RPMTAG_LICENSE, license);
    headerPutString(h, RPMTAG_SUMMARY, u);
    headerPutString(h, RPMTAG_PACKAGER, userid);

    headerPutUint32(h, RPMTAG_SIZE, &zero, 1);

    headerPutString(h, RPMTAG_PROVIDENAME, u);
    headerPutString(h, RPMTAG_PROVIDEVERSION, evr);
    headerPutUint32(h, RPMTAG_PROVIDEFLAGS, &pflags, 1);
	
    headerPutString(h, RPMTAG_PROVIDENAME, n);
    headerPutString(h, RPMTAG_PROVIDEVERSION, evr);
    headerPutUint32(h, RPMTAG_PROVIDEFLAGS, &pflags, 1);

    headerPutString(h, RPMTAG_RPMVERSION, RPMVERSION);
    headerPutString(h, RPMTAG_BUILDHOST, buildhost);
    headerPutUint32(h, RPMTAG_BUILDTIME, &keytime, 1);
    headerPutString(h, RPMTAG_SOURCERPM, "(none)");

    /* Reload the lot to immutable region and stomp sha1 digest on it */
    h = headerReload(h, RPMTAG_HEADERIMMUTABLE);
    if (h != NULL) {
	char *sha1 = NULL;
	unsigned int blen = 0;
	const void *blob = headerExport(h, &blen);

	/* XXX FIXME: bah, this code is repeated in way too many places */
	DIGEST_CTX ctx = rpmDigestInit(PGPHASHALGO_SHA1, RPMDIGEST_NONE);
	rpmDigestUpdate(ctx, rpm_header_magic, sizeof(rpm_header_magic));
	rpmDigestUpdate(ctx, blob, blen);
	rpmDigestFinal(ctx, (void **)&sha1, NULL, 1);

	if (sha1) {
	    headerPutString(h, RPMTAG_SHA1HEADER, sha1);
	    *hdrp = headerLink(h);
	    rc = 0;
	}
	free(sha1);
    }

exit:
    headerFree(h);
    pgpFreeDig(dig);
    free(n);
    free(u);
    free(v);
    free(r);
    free(evr);
    free(enc);
    free(d);

    return rc;
}
Example #7
0
static rpmRC includeFileSignatures(FD_t fd, const char *rpm,
				   Header *sigp, Header *hdrp,
				   off_t sigStart, off_t headerStart)
{
    FD_t ofd = NULL;
    char *trpm = NULL;
    char *key;
    char *keypass;
    char *SHA1 = NULL;
    uint8_t *MD5 = NULL;
    size_t sha1len;
    size_t md5len;
    off_t sigTargetSize;
    rpmRC rc = RPMRC_OK;
    struct rpmtd_s osigtd;
    char *o_sha1 = NULL;
    uint8_t o_md5[16];

#ifndef WITH_IMAEVM
    rpmlog(RPMLOG_ERR, _("missing libimaevm\n"));
    return RPMRC_FAIL;
#endif
    unloadImmutableRegion(hdrp, RPMTAG_HEADERIMMUTABLE);

    key = rpmExpand("%{?_file_signing_key}", NULL);

    keypass = rpmExpand("%{_file_signing_key_password}", NULL);
    if (rstreq(keypass, "")) {
	free(keypass);
	keypass = NULL;
    }

    rc = rpmSignFiles(*hdrp, key, keypass);
    if (rc != RPMRC_OK) {
	goto exit;
    }

    *hdrp = headerReload(*hdrp, RPMTAG_HEADERIMMUTABLE);
    if (*hdrp == NULL) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("headerReload failed\n"));
	goto exit;
    }

    ofd = rpmMkTempFile(NULL, &trpm);
    if (ofd == NULL || Ferror(ofd)) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("rpmMkTemp failed\n"));
	goto exit;
    }

    /* Copy archive to temp file */
    if (copyFile(&fd, rpm, &ofd, trpm)) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("copyFile failed\n"));
	goto exit;
    }

    if (Fseek(fd, headerStart, SEEK_SET) < 0) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("Could not seek in file %s: %s\n"),
		rpm, Fstrerror(fd));
	goto exit;
    }

    /* Start MD5 calculation */
    fdInitDigest(fd, PGPHASHALGO_MD5, 0);

    /* Write header to rpm and recalculate SHA1 */
    fdInitDigest(fd, PGPHASHALGO_SHA1, 0);
    rc = headerWrite(fd, *hdrp, HEADER_MAGIC_YES);
    if (rc != RPMRC_OK) {
	rpmlog(RPMLOG_ERR, _("headerWrite failed\n"));
	goto exit;
    }
    fdFiniDigest(fd, PGPHASHALGO_SHA1, (void **)&SHA1, &sha1len, 1);

    /* Copy archive from temp file */
    if (Fseek(ofd, 0, SEEK_SET) < 0) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("Could not seek in file %s: %s\n"),
		rpm, Fstrerror(fd));
	goto exit;
    }
    if (copyFile(&ofd, trpm, &fd, rpm)) {
	rc = RPMRC_FAIL;
	rpmlog(RPMLOG_ERR, _("copyFile failed\n"));
	goto exit;
    }
    unlink(trpm);

    sigTargetSize = Ftell(fd) - headerStart;
    fdFiniDigest(fd, PGPHASHALGO_MD5, (void **)&MD5, &md5len, 0);

    if (headerGet(*sigp, RPMSIGTAG_MD5, &osigtd, HEADERGET_DEFAULT)) {
	memcpy(o_md5, osigtd.data, 16);
	rpmtdFreeData(&osigtd);
    }

    if (headerGet(*sigp, RPMSIGTAG_SHA1, &osigtd, HEADERGET_DEFAULT)) {
	o_sha1 = xstrdup(osigtd.data);
	rpmtdFreeData(&osigtd);
    }

    if (memcmp(MD5, o_md5, md5len) == 0 && strcmp(SHA1, o_sha1) == 0)
	rpmlog(RPMLOG_WARNING,
	       _("%s already contains identical file signatures\n"),
	       rpm);
    else
	replaceSigDigests(fd, rpm, sigp, sigStart, sigTargetSize, SHA1, MD5);

exit:
    free(trpm);
    free(MD5);
    free(SHA1);
    free(o_sha1);
    free(keypass);
    free(key);
    if (ofd)
	(void) closeFile(&ofd);
    return rc;
}