rpmRC rpmReadSignature(FD_t fd, Header * sighp, sigType sig_type, char ** msg)
{
char *buf = NULL;
int32_t block[4];
int32_t il;
int32_t dl;
int32_t * ei = NULL;
entryInfo pe;
unsigned int nb, uc;
int32_t ril = 0;
struct indexEntry_s entry;
struct entryInfo_s info;
unsigned char * dataStart;
unsigned char * dataEnd = NULL;
Header sigh = NULL;
rpmRC rc = RPMRC_FAIL; /* assume failure */
int xx;
int i;
if (sighp)
*sighp = NULL;
if (sig_type != RPMSIGTYPE_HEADERSIG)
goto exit;
memset(block, 0, sizeof(block));
if ((xx = Fread(block, 1, sizeof(block), fd)) != sizeof(block)) {
rasprintf(&buf, _("sigh size(%d): BAD, read returned %d\n"),
(int)sizeof(block), xx);
goto exit;
}
if (memcmp(block, rpm_header_magic, sizeof(rpm_header_magic))) {
rasprintf(&buf, _("sigh magic: BAD\n"));
goto exit;
}
il = ntohl(block[2]);
if (il < 0 || il > 32) {
rasprintf(&buf,
_("sigh tags: BAD, no. of tags(%d) out of range\n"), il);
goto exit;
}
dl = ntohl(block[3]);
if (dl < 0 || dl > 8192) {
rasprintf(&buf,
_("sigh data: BAD, no. of bytes(%d) out of range\n"), dl);
goto exit;
}
memset(&entry, 0, sizeof(entry));
memset(&info, 0, sizeof(info));
nb = (il * sizeof(struct entryInfo_s)) + dl;
uc = sizeof(il) + sizeof(dl) + nb;
ei = xmalloc(uc);
ei[0] = block[2];
ei[1] = block[3];
pe = (entryInfo) &ei[2];
dataStart = (unsigned char *) (pe + il);
if ((xx = Fread(pe, 1, nb, fd)) != nb) {
rasprintf(&buf,
_("sigh blob(%d): BAD, read returned %d\n"), (int)nb, xx);
goto exit;
}
/* Check (and convert) the 1st tag element. */
xx = headerVerifyInfo(1, dl, pe, &entry.info, 0);
if (xx != -1) {
rasprintf(&buf, _("tag[%d]: BAD, tag %d type %d offset %d count %d\n"),
0, entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
/* Is there an immutable header region tag? */
if (entry.info.tag == RPMTAG_HEADERSIGNATURES) {
/* Is the region tag sane? */
if (!(entry.info.type == REGION_TAG_TYPE &&
entry.info.count == REGION_TAG_COUNT)) {
rasprintf(&buf,
_("region tag: BAD, tag %d type %d offset %d count %d\n"),
entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
/* Is the trailer within the data area? */
if (entry.info.offset + REGION_TAG_COUNT > dl) {
rasprintf(&buf,
_("region offset: BAD, tag %d type %d offset %d count %d\n"),
entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
/* Is there an immutable header region tag trailer? */
dataEnd = dataStart + entry.info.offset;
(void) memcpy(&info, dataEnd, REGION_TAG_COUNT);
/* XXX Really old packages have HEADER_IMAGE, not HEADER_SIGNATURES. */
if (info.tag == htonl(RPMTAG_HEADERIMAGE)) {
rpmTagVal stag = htonl(RPMTAG_HEADERSIGNATURES);
info.tag = stag;
memcpy(dataEnd, &stag, sizeof(stag));
}
dataEnd += REGION_TAG_COUNT;
xx = headerVerifyInfo(1, il * sizeof(*pe), &info, &entry.info, 1);
if (xx != -1 ||
!((entry.info.tag == RPMTAG_HEADERSIGNATURES || entry.info.tag == RPMTAG_HEADERIMAGE)
&& entry.info.type == REGION_TAG_TYPE
&& entry.info.count == REGION_TAG_COUNT))
{
rasprintf(&buf,
_("region trailer: BAD, tag %d type %d offset %d count %d\n"),
entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
memset(&info, 0, sizeof(info));
/* Is the no. of tags in the region less than the total no. of tags? */
ril = entry.info.offset/sizeof(*pe);
if ((entry.info.offset % sizeof(*pe)) || ril > il) {
rasprintf(&buf, _("region size: BAD, ril(%d) > il(%d)\n"), ril, il);
goto exit;
}
}
/* Sanity check signature tags */
memset(&info, 0, sizeof(info));
for (i = 1; i < il; i++) {
xx = headerVerifyInfo(1, dl, pe+i, &entry.info, 0);
if (xx != -1) {
rasprintf(&buf,
_("sigh tag[%d]: BAD, tag %d type %d offset %d count %d\n"),
i, entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
}
/* OK, blob looks sane, load the header. */
sigh = headerImport(ei, uc, 0);
if (sigh == NULL) {
rasprintf(&buf, _("sigh load: BAD\n"));
goto exit;
}
{ size_t sigSize = headerSizeof(sigh, HEADER_MAGIC_YES);
size_t pad = (8 - (sigSize % 8)) % 8; /* 8-byte pad */
ssize_t trc;
struct rpmtd_s sizetag;
rpm_loff_t archSize = 0;
/* Position at beginning of header. */
if (pad && (trc = Fread(block, 1, pad, fd)) != pad) {
rasprintf(&buf,
_("sigh pad(%zd): BAD, read %zd bytes\n"), pad, trc);
goto exit;
}
/* Print package component sizes. */
if (headerGet(sigh, RPMSIGTAG_LONGSIZE, &sizetag, HEADERGET_DEFAULT)) {
rpm_loff_t *tsize = rpmtdGetUint64(&sizetag);
archSize = (tsize) ? *tsize : 0;
} else if (headerGet(sigh, RPMSIGTAG_SIZE, &sizetag, HEADERGET_DEFAULT)) {
rpm_off_t *tsize = rpmtdGetUint32(&sizetag);
archSize = (tsize) ? *tsize : 0;
}
rpmtdFreeData(&sizetag);
rc = printSize(fd, sigSize, pad, archSize);
if (rc != RPMRC_OK) {
rasprintf(&buf,
_("sigh sigSize(%zd): BAD, fstat(2) failed\n"), sigSize);
goto exit;
}
}
ei = NULL; /* XXX will be freed with header */
exit:
if (sighp && sigh && rc == RPMRC_OK)
*sighp = headerLink(sigh);
headerFree(sigh);
free(ei);
if (msg != NULL) {
*msg = buf;
} else {
free(buf);
}
return rc;
}
static rpmRC headerVerify(rpmKeyring keyring, rpmVSFlags vsflags,
const void * uh, size_t uc, char ** msg)
{
pgpDig dig = NULL;
char *buf = NULL;
int32_t * ei = (int32_t *) uh;
int32_t il = ntohl(ei[0]);
int32_t dl = ntohl(ei[1]);
entryInfo pe = (entryInfo) &ei[2];
int32_t ildl[2];
int32_t pvlen = sizeof(ildl) + (il * sizeof(*pe)) + dl;
unsigned char * dataStart = (unsigned char *) (pe + il);
struct indexEntry_s entry;
struct entryInfo_s info;
unsigned const char * b;
size_t siglen = 0;
size_t blen;
size_t nb;
int32_t ril = 0;
unsigned char * regionEnd = NULL;
rpmRC rc = RPMRC_FAIL; /* assume failure */
int xx;
int i;
struct rpmtd_s sigtd;
DIGEST_CTX ctx = NULL;
/* Is the blob the right size? */
if (uc > 0 && pvlen != uc) {
rasprintf(&buf, _("blob size(%d): BAD, 8 + 16 * il(%d) + dl(%d)\n"),
(int)uc, (int)il, (int)dl);
goto exit;
}
memset(&entry, 0, sizeof(entry));
memset(&info, 0, sizeof(info));
/* Check (and convert) the 1st tag element. */
xx = headerVerifyInfo(1, dl, pe, &entry.info, 0);
if (xx != -1) {
rasprintf(&buf, _("tag[%d]: BAD, tag %d type %d offset %d count %d\n"),
0, entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
/* Is there an immutable header region tag? */
if (!(entry.info.tag == RPMTAG_HEADERIMMUTABLE
&& entry.info.type == RPM_BIN_TYPE
&& entry.info.count == REGION_TAG_COUNT))
{
rc = RPMRC_NOTFOUND;
goto exit;
}
/* Is the offset within the data area? */
if (entry.info.offset >= dl) {
rasprintf(&buf,
_("region offset: BAD, tag %d type %d offset %d count %d\n"),
entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
/* Is there an immutable header region tag trailer? */
regionEnd = dataStart + entry.info.offset;
(void) memcpy(&info, regionEnd, REGION_TAG_COUNT);
regionEnd += REGION_TAG_COUNT;
xx = headerVerifyInfo(1, dl, &info, &entry.info, 1);
if (xx != -1 ||
!(entry.info.tag == RPMTAG_HEADERIMMUTABLE
&& entry.info.type == RPM_BIN_TYPE
&& entry.info.count == REGION_TAG_COUNT))
{
rasprintf(&buf,
_("region trailer: BAD, tag %d type %d offset %d count %d\n"),
entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
memset(&info, 0, sizeof(info));
/* Is the no. of tags in the region less than the total no. of tags? */
ril = entry.info.offset/sizeof(*pe);
if ((entry.info.offset % sizeof(*pe)) || ril > il) {
rasprintf(&buf, _("region size: BAD, ril(%d) > il(%d)\n"), ril, il);
goto exit;
}
/* Find a header-only digest/signature tag. */
for (i = ril; i < il; i++) {
xx = headerVerifyInfo(1, dl, pe+i, &entry.info, 0);
if (xx != -1) {
rasprintf(&buf,
_("tag[%d]: BAD, tag %d type %d offset %d count %d\n"),
i, entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
switch (entry.info.tag) {
case RPMTAG_SHA1HEADER:
if (vsflags & RPMVSF_NOSHA1HEADER)
break;
blen = 0;
for (b = dataStart + entry.info.offset; *b != '\0'; b++) {
if (strchr("0123456789abcdefABCDEF", *b) == NULL)
break;
blen++;
}
if (entry.info.type != RPM_STRING_TYPE || *b != '\0' || blen != 40)
{
rasprintf(&buf, _("hdr SHA1: BAD, not hex\n"));
goto exit;
}
if (info.tag == 0) {
info = entry.info; /* structure assignment */
siglen = blen + 1;
}
break;
case RPMTAG_RSAHEADER:
if (vsflags & RPMVSF_NORSAHEADER)
break;
if (entry.info.type != RPM_BIN_TYPE) {
rasprintf(&buf, _("hdr RSA: BAD, not binary\n"));
goto exit;
}
info = entry.info; /* structure assignment */
siglen = info.count;
break;
case RPMTAG_DSAHEADER:
if (vsflags & RPMVSF_NODSAHEADER)
break;
if (entry.info.type != RPM_BIN_TYPE) {
rasprintf(&buf, _("hdr DSA: BAD, not binary\n"));
goto exit;
}
info = entry.info; /* structure assignment */
siglen = info.count;
break;
default:
break;
}
}
rc = RPMRC_NOTFOUND;
exit:
/* Return determined RPMRC_OK/RPMRC_FAIL conditions. */
if (rc != RPMRC_NOTFOUND) {
if (msg)
*msg = buf;
else
free(buf);
return rc;
}
/* If no header-only digest/signature, then do simple sanity check. */
if (info.tag == 0) {
verifyinfo_exit:
xx = headerVerifyInfo(ril-1, dl, pe+1, &entry.info, 0);
if (xx != -1) {
rasprintf(&buf,
_("tag[%d]: BAD, tag %d type %d offset %d count %d\n"),
xx+1, entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
rc = RPMRC_FAIL;
} else {
rasprintf(&buf, "Header sanity check: OK\n");
rc = RPMRC_OK;
}
if (msg)
*msg = buf;
else
free(buf);
return rc;
}
/* Verify header-only digest/signature. */
dig = pgpNewDig();
if (dig == NULL)
goto verifyinfo_exit;
sigtd.tag = info.tag;
sigtd.type = info.type;
sigtd.count = info.count;
sigtd.data = memcpy(xmalloc(siglen), dataStart + info.offset, siglen);
sigtd.flags = RPMTD_ALLOCED;
switch (info.tag) {
case RPMTAG_RSAHEADER:
case RPMTAG_DSAHEADER:
if ((rc = parsePGP(&sigtd, "header", dig)) != RPMRC_OK) {
pgpFreeDig(dig);
goto exit;
}
/* fallthrough */
case RPMTAG_SHA1HEADER: {
pgpHashAlgo hashalgo = (info.tag == RPMTAG_SHA1HEADER) ?
PGPHASHALGO_SHA1 : dig->signature.hash_algo;
ildl[0] = htonl(ril);
ildl[1] = (regionEnd - dataStart);
ildl[1] = htonl(ildl[1]);
ctx = rpmDigestInit(hashalgo, RPMDIGEST_NONE);
b = (unsigned char *) rpm_header_magic;
nb = sizeof(rpm_header_magic);
(void) rpmDigestUpdate(ctx, b, nb);
b = (unsigned char *) ildl;
nb = sizeof(ildl);
(void) rpmDigestUpdate(ctx, b, nb);
b = (unsigned char *) pe;
nb = (htonl(ildl[0]) * sizeof(*pe));
(void) rpmDigestUpdate(ctx, b, nb);
b = (unsigned char *) dataStart;
nb = htonl(ildl[1]);
(void) rpmDigestUpdate(ctx, b, nb);
} break;
default:
sigtd.data = _free(sigtd.data); /* Hmm...? */
break;
}
rc = rpmVerifySignature(keyring, &sigtd, dig, ctx, &buf);
if (msg)
*msg = buf;
else
free(buf);
rpmtdFreeData(&sigtd);
pgpFreeDig(dig);
rpmDigestFinal(ctx, NULL, NULL, 0);
return rc;
}
/*
* Argument monster to verify header-only signature/digest if there is
* one, otherwisereturn RPMRC_NOTFOUND to signal for plain sanity check.
*/
static rpmRC headerSigVerify(rpmKeyring keyring, rpmVSFlags vsflags,
int il, int dl, int ril, int rdl,
entryInfo pe, unsigned char * dataStart,
char **buf)
{
size_t siglen = 0;
rpmRC rc = RPMRC_FAIL;
pgpDigParams sig = NULL;
struct rpmtd_s sigtd;
struct entryInfo_s info, einfo;
unsigned int hashalgo = 0;
rpmtdReset(&sigtd);
memset(&info, 0, sizeof(info));
memset(&einfo, 0, sizeof(einfo));
/* Find a header-only digest/signature tag. */
for (int i = ril; i < il; i++) {
if (headerVerifyInfo(1, dl, pe+i, &einfo, 0) != -1) {
rasprintf(buf,
_("tag[%d]: BAD, tag %d type %d offset %d count %d\n"),
i, einfo.tag, einfo.type,
einfo.offset, einfo.count);
goto exit;
}
switch (einfo.tag) {
case RPMTAG_SHA1HEADER: {
size_t blen = 0;
unsigned const char * b;
if (vsflags & RPMVSF_NOSHA1HEADER)
break;
for (b = dataStart + einfo.offset; *b != '\0'; b++) {
if (strchr("0123456789abcdefABCDEF", *b) == NULL)
break;
blen++;
}
if (einfo.type != RPM_STRING_TYPE || *b != '\0' || blen != 40)
{
rasprintf(buf, _("hdr SHA1: BAD, not hex\n"));
goto exit;
}
if (info.tag == 0) {
info = einfo; /* structure assignment */
siglen = blen + 1;
}
} break;
case RPMTAG_RSAHEADER:
if (vsflags & RPMVSF_NORSAHEADER)
break;
if (einfo.type != RPM_BIN_TYPE) {
rasprintf(buf, _("hdr RSA: BAD, not binary\n"));
goto exit;
}
info = einfo; /* structure assignment */
siglen = info.count;
break;
case RPMTAG_DSAHEADER:
if (vsflags & RPMVSF_NODSAHEADER)
break;
if (einfo.type != RPM_BIN_TYPE) {
rasprintf(buf, _("hdr DSA: BAD, not binary\n"));
goto exit;
}
info = einfo; /* structure assignment */
siglen = info.count;
break;
default:
break;
}
}
/* No header-only digest/signature found, get outta here */
if (info.tag == 0) {
rc = RPMRC_NOTFOUND;
goto exit;
}
sigtd.tag = info.tag;
sigtd.type = info.type;
sigtd.count = info.count;
sigtd.data = memcpy(xmalloc(siglen), dataStart + info.offset, siglen);
sigtd.flags = RPMTD_ALLOCED;
switch (info.tag) {
case RPMTAG_RSAHEADER:
case RPMTAG_DSAHEADER:
if (parsePGPSig(&sigtd, "header", NULL, &sig))
goto exit;
hashalgo = pgpDigParamsAlgo(sig, PGPVAL_HASHALGO);
break;
case RPMTAG_SHA1HEADER:
hashalgo = PGPHASHALGO_SHA1;
break;
default:
break;
}
if (hashalgo) {
DIGEST_CTX ctx = rpmDigestInit(hashalgo, RPMDIGEST_NONE);
int32_t ildl[2] = { htonl(ril), htonl(rdl) };
rpmDigestUpdate(ctx, rpm_header_magic, sizeof(rpm_header_magic));
rpmDigestUpdate(ctx, ildl, sizeof(ildl));
rpmDigestUpdate(ctx, pe, (ril * sizeof(*pe)));
rpmDigestUpdate(ctx, dataStart, rdl);
rc = rpmVerifySignature(keyring, &sigtd, sig, ctx, buf);
rpmDigestFinal(ctx, NULL, NULL, 0);
}
exit:
rpmtdFreeData(&sigtd);
pgpDigParamsFree(sig);
return rc;
}
static rpmRC headerVerify(rpmKeyring keyring, rpmVSFlags vsflags,
const void * uh, size_t uc, char ** msg)
{
char *buf = NULL;
int32_t * ei = (int32_t *) uh;
int32_t il = ntohl(ei[0]);
int32_t dl = ntohl(ei[1]);
entryInfo pe = (entryInfo) &ei[2];
int32_t pvlen = sizeof(il) + sizeof(dl) + (il * sizeof(*pe)) + dl;
unsigned char * dataStart = (unsigned char *) (pe + il);
struct indexEntry_s entry;
struct entryInfo_s info;
int32_t ril = 0;
unsigned char * regionEnd = NULL;
rpmRC rc = RPMRC_FAIL; /* assume failure */
/* Is the blob the right size? */
if (uc > 0 && pvlen != uc) {
rasprintf(&buf, _("blob size(%d): BAD, 8 + 16 * il(%d) + dl(%d)\n"),
(int)uc, (int)il, (int)dl);
goto exit;
}
memset(&entry, 0, sizeof(entry));
memset(&info, 0, sizeof(info));
/* Check (and convert) the 1st tag element. */
if (headerVerifyInfo(1, dl, pe, &entry.info, 0) != -1) {
rasprintf(&buf, _("tag[%d]: BAD, tag %d type %d offset %d count %d\n"),
0, entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
/* Is there an immutable header region tag? */
if (!(entry.info.tag == RPMTAG_HEADERIMMUTABLE
&& entry.info.type == RPM_BIN_TYPE
&& entry.info.count == REGION_TAG_COUNT))
{
rc = RPMRC_NOTFOUND;
goto exit;
}
/* Is the trailer within the data area? */
if (entry.info.offset + REGION_TAG_COUNT > dl) {
rasprintf(&buf,
_("region offset: BAD, tag %d type %d offset %d count %d\n"),
entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
/* Is there an immutable header region tag trailer? */
regionEnd = dataStart + entry.info.offset;
(void) memcpy(&info, regionEnd, REGION_TAG_COUNT);
regionEnd += REGION_TAG_COUNT;
if (headerVerifyInfo(1, dl, &info, &entry.info, 1) != -1 ||
!(entry.info.tag == RPMTAG_HEADERIMMUTABLE
&& entry.info.type == RPM_BIN_TYPE
&& entry.info.count == REGION_TAG_COUNT))
{
rasprintf(&buf,
_("region trailer: BAD, tag %d type %d offset %d count %d\n"),
entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
memset(&info, 0, sizeof(info));
/* Is the no. of tags in the region less than the total no. of tags? */
ril = entry.info.offset/sizeof(*pe);
if ((entry.info.offset % sizeof(*pe)) || ril > il) {
rasprintf(&buf, _("region size: BAD, ril(%d) > il(%d)\n"), ril, il);
goto exit;
}
/* Verify header-only digest/signature if there is one we can use. */
rc = headerSigVerify(keyring, vsflags,
il, dl, ril, (regionEnd - dataStart),
pe, dataStart, &buf);
exit:
/* If no header-only digest/signature, then do simple sanity check. */
if (rc == RPMRC_NOTFOUND) {
int xx = headerVerifyInfo(ril-1, dl, pe+1, &entry.info, 0);
if (xx != -1) {
rasprintf(&buf,
_("tag[%d]: BAD, tag %d type %d offset %d count %d\n"),
xx+1, entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
rc = RPMRC_FAIL;
} else {
rasprintf(&buf, "Header sanity check: OK\n");
rc = RPMRC_OK;
}
}
if (msg)
*msg = buf;
else
free(buf);
return rc;
}
rpmRC rpmReadSignature(FD_t fd, Header * sighp, sigType sig_type, char ** msg)
{
char *buf = NULL;
int32_t block[4];
int32_t il;
int32_t dl;
int32_t * ei = NULL;
entryInfo pe;
unsigned int nb, uc;
struct indexEntry_s entry;
unsigned char * dataStart;
Header sigh = NULL;
rpmRC rc = RPMRC_FAIL; /* assume failure */
int xx;
int i;
if (sighp)
*sighp = NULL;
if (sig_type != RPMSIGTYPE_HEADERSIG)
goto exit;
memset(block, 0, sizeof(block));
if ((xx = Freadall(fd, block, sizeof(block))) != sizeof(block)) {
rasprintf(&buf, _("sigh size(%d): BAD, read returned %d"),
(int)sizeof(block), xx);
goto exit;
}
if (memcmp(block, rpm_header_magic, sizeof(rpm_header_magic))) {
rasprintf(&buf, _("sigh magic: BAD"));
goto exit;
}
il = ntohl(block[2]);
if (il < 0 || il > 32) {
rasprintf(&buf,
_("sigh tags: BAD, no. of tags(%d) out of range"), il);
goto exit;
}
dl = ntohl(block[3]);
if (dl < 0 || dl > 8192) {
rasprintf(&buf,
_("sigh data: BAD, no. of bytes(%d) out of range"), dl);
goto exit;
}
memset(&entry, 0, sizeof(entry));
nb = (il * sizeof(struct entryInfo_s)) + dl;
uc = sizeof(il) + sizeof(dl) + nb;
ei = xmalloc(uc);
ei[0] = block[2];
ei[1] = block[3];
pe = (entryInfo) &ei[2];
dataStart = (unsigned char *) (pe + il);
if ((xx = Freadall(fd, pe, nb)) != nb) {
rasprintf(&buf,
_("sigh blob(%d): BAD, read returned %d"), (int)nb, xx);
goto exit;
}
/* Verify header immutable region if there is one */
xx = headerVerifyRegion(RPMTAG_HEADERSIGNATURES,
&entry, il, dl, pe, dataStart,
NULL, NULL, &buf);
/* Not found means a legacy V3 package with no immutable region */
if (xx != RPMRC_OK && xx != RPMRC_NOTFOUND)
goto exit;
/* Sanity check signature tags */
for (i = 1; i < il; i++) {
xx = headerVerifyInfo(1, dl, pe+i, &entry.info, 0);
if (xx != -1) {
rasprintf(&buf,
_("sigh tag[%d]: BAD, tag %d type %d offset %d count %d"),
i, entry.info.tag, entry.info.type,
entry.info.offset, entry.info.count);
goto exit;
}
}
/* OK, blob looks sane, load the header. */
sigh = headerImport(ei, uc, 0);
if (sigh == NULL) {
rasprintf(&buf, _("sigh load: BAD"));
goto exit;
}
ei = NULL; /* XXX will be freed with header */
{ size_t sigSize = headerSizeof(sigh, HEADER_MAGIC_YES);
size_t pad = (8 - (sigSize % 8)) % 8; /* 8-byte pad */
ssize_t trc;
struct rpmtd_s sizetag;
rpm_loff_t archSize = 0;
/* Position at beginning of header. */
if (pad && (trc = Freadall(fd, block, pad)) != pad) {
rasprintf(&buf,
_("sigh pad(%zd): BAD, read %zd bytes"), pad, trc);
goto exit;
}
/* Print package component sizes. */
if (headerGet(sigh, RPMSIGTAG_LONGSIZE, &sizetag, HEADERGET_DEFAULT)) {
rpm_loff_t *tsize = rpmtdGetUint64(&sizetag);
archSize = (tsize) ? *tsize : 0;
} else if (headerGet(sigh, RPMSIGTAG_SIZE, &sizetag, HEADERGET_DEFAULT)) {
rpm_off_t *tsize = rpmtdGetUint32(&sizetag);
archSize = (tsize) ? *tsize : 0;
}
rpmtdFreeData(&sizetag);
rc = printSize(fd, sigSize, pad, archSize);
if (rc != RPMRC_OK) {
rasprintf(&buf,
_("sigh sigSize(%zd): BAD, fstat(2) failed"), sigSize);
goto exit;
}
}
exit:
if (sighp && sigh && rc == RPMRC_OK)
*sighp = headerLink(sigh);
headerFree(sigh);
free(ei);
if (msg != NULL) {
*msg = buf;
} else {
free(buf);
}
return rc;
}
