#include "system.h"#include <netinet/in.h>#include <rpmio_internal.h>#include <rpmlib.h>#include "rpmts.h"#include "misc.h"#include "legacy.h"#include "rpmlead.h"#include "header_internal.h"#include "signature.h"#include "debug.h"Go to the source code of this file.
Defines | |
| #define | alloca_strdup(_s) strcpy(alloca(strlen(_s)+1), (_s)) |
| #define | hdrchkTags(_ntags) ((_ntags) & 0xffff0000) |
| Sanity check on no. | |
| #define | hdrchkType(_type) ((_type) < RPM_MIN_TYPE || (_type) > RPM_MAX_TYPE) |
| Sanity check on type values. | |
| #define | hdrchkData(_nbytes) ((_nbytes) & 0xff000000) |
| Sanity check on data size and/or offset and/or count. | |
| #define | hdrchkAlign(_type, _off) ((_off) & (typeAlign[_type]-1)) |
| Sanity check on data alignment for data type. | |
| #define | hdrchkRange(_dl, _off) ((_off) < 0 || (_off) > (_dl)) |
| Sanity check on range of data offset. | |
| #define | _chk(_mask) (sigtag == 0 && !(vsflags & (_mask))) |
Functions | |
| void | headerMergeLegacySigs (Header h, const Header sigh) |
| Translate and merge legacy signature tags into header. | |
| Header | headerRegenSigHeader (const Header h, int noArchiveSize) |
| Regenerate signature header. | |
| static int | rpmtsStashKeyid (rpmts ts) |
| Remember current key id. | |
| int | headerVerifyInfo (int il, int dl, const void *pev, void *iv, int negate) |
| Perform simple sanity and range checks on header tag(s). | |
| rpmRC | headerCheck (rpmts ts, const void *uh, size_t uc, const char **msg) |
| Check header consistency, performing headerGetEntry() the hard way. | |
| rpmRC | rpmReadHeader (rpmts ts, FD_t fd, Header *hdrp, const char **msg) |
| Return checked and loaded header. | |
| rpmRC | rpmReadPackageFile (rpmts ts, FD_t fd, const char *fn, Header *hdrp) |
| Return package header from file handle, verifying digests/signatures. | |
| rpmRC | headerCheckPayloadFormat (Header h) |
| Check for supported payload format in header. | |
Variables | |
| static int | _print_pkts = 0 |
| static unsigned int | nkeyids_max = 256 |
| static unsigned int | nkeyids = 0 |
| static unsigned int | nextkeyid = 0 |
| static unsigned int * | keyids |
| static unsigned char | header_magic [8] |
| static int | typeAlign [16] |
| Alignment needs (and sizeof scalars types) for internal rpm data types. | |
Definition in file package.c.
| #define _chk | ( | _mask | ) | (sigtag == 0 && !(vsflags & (_mask))) |
Referenced by rpmReadPackageFile().
| #define alloca_strdup | ( | _s | ) | strcpy(alloca(strlen(_s)+1), (_s)) |
| #define hdrchkAlign | ( | _type, | |||
| _off | ) | ((_off) & (typeAlign[_type]-1)) |
Sanity check on data alignment for data type.
Definition at line 91 of file package.c.
Referenced by headerVerifyInfo(), and regionSwab().
| #define hdrchkData | ( | _nbytes | ) | ((_nbytes) & 0xff000000) |
Sanity check on data size and/or offset and/or count.
This check imposes a limit of 16 MB, more than enough.
Definition at line 86 of file package.c.
Referenced by doHeaderUnload(), headerMergeLegacySigs(), headerVerifyInfo(), regionSwab(), and rpmReadHeader().
| #define hdrchkRange | ( | _dl, | |||
| _off | ) | ((_off) < 0 || (_off) > (_dl)) |
Sanity check on range of data offset.
Definition at line 96 of file package.c.
Referenced by headerVerifyInfo().
| #define hdrchkTags | ( | _ntags | ) | ((_ntags) & 0xffff0000) |
Sanity check on no.
of tags. This check imposes a limit of 65K tags, more than enough.
Definition at line 75 of file package.c.
Referenced by doHeaderUnload(), and rpmReadHeader().
| #define hdrchkType | ( | _type | ) | ((_type) < RPM_MIN_TYPE || (_type) > RPM_MAX_TYPE) |
Sanity check on type values.
Definition at line 80 of file package.c.
Referenced by headerMergeLegacySigs(), headerVerifyInfo(), and regionSwab().
Check header consistency, performing headerGetEntry() the hard way.
Sanity checks on the header are performed while looking for a header-only digest or signature to verify the blob. If found, the digest or signature is verified.
| ts | transaction set | |
| uh | unloaded header blob | |
| uc | no. of bytes in blob (or 0 to disable) |
| *msg | signature verification msg |
Definition at line 325 of file package.c.
References _, alloca(), headerVerifyInfo(), REGION_TAG_COUNT, RPM_BIN_TYPE, RPM_STRING_TYPE, RPMRC_FAIL, RPMRC_NOTFOUND, RPMTAG_HEADERIMMUTABLE, RPMTAG_SHA1HEADER, rpmtsVSFlags(), RPMVSF_NOSHA1HEADER, snprintf(), and vsflags.
Referenced by rpmpsmStage(), rpmReadHeader(), rpmts_HdrCheck(), rpmtsInitIterator(), and rpmtsRebuildDB().
Check for supported payload format in header.
| h | header to check |
Definition at line 1075 of file package.c.
References _, _free(), headerGetEntry(), hGetNEVRA(), RPMMESS_ERROR, rpmMessage, RPMRC_FAIL, RPMRC_OK, and RPMTAG_PAYLOADFORMAT.
Referenced by rpmtsAddInstallElement().
| int headerVerifyInfo | ( | int | il, | |
| int | dl, | |||
| const void * | pev, | |||
| void * | iv, | |||
| int | negate | |||
| ) |
Perform simple sanity and range checks on header tag(s).
| il | no. of tags in header | |
| dl | no. of bytes in header data. | |
| pev | 1st element in tag array, big-endian | |
| iv | failing (or last) tag element, host-endian | |
| negate | negative offset expected? |
Definition at line 281 of file package.c.
References entryInfo_s::count, hdrchkAlign, hdrchkData, hdrchkRange, hdrchkType, entryInfo_s::offset, entryInfo_s::tag, and entryInfo_s::type.
Referenced by headerCheck(), and rpmReadSignature().
Return checked and loaded header.
| ts | transaction set | |
| fd | file handle |
| hdrp | address of header (or NULL) | |
| *msg | verification error message (or NULL) |
Definition at line 650 of file package.c.
References _, _free(), block(), headerToken_s::flags, hdrchkData, hdrchkTags, header_magic, headerCheck(), HEADERFLAG_ALLOCATED, headerFree(), headerLink(), headerLoad(), RPMRC_FAIL, RPMRC_OK, snprintf(), timedRead, xmalloc(), and xstrdup().
Referenced by rpmReadPackageFile().
Return package header from file handle, verifying digests/signatures.
| ts | transaction set | |
| fd | file handle | |
| fn | file name |
| hdrp | address of header (or NULL) |
Definition at line 748 of file package.c.
References _, _chk, _free(), _print_pkts, alloca(), entryInfo_s::count, rpmop_s::count, _FD_s::digests, fdInitDigest(), FDSTAT_READ, Fileno(), Fread(), Fstrerror(), pgpDigParams_s::hash_algo, _FDDIGEST_s::hashalgo, _FDDIGEST_s::hashctx, pgpDig_s::hdrmd5ctx, pgpDig_s::hdrsha1ctx, header_magic, headerFree(), headerFreeData(), headerGetEntry(), headerIsEntry(), headerLink(), headerMergeLegacySigs(), legacyRetrofit(), pgpDig_s::md5ctx, pgpDig_s::nbytes, _FD_s::ndigests, PGPHASHALGO_MD5, PGPHASHALGO_SHA1, PGPHASHALGO_SHA256, PGPHASHALGO_SHA384, PGPHASHALGO_SHA512, pgpPrtPkts(), readLead(), RPMDIGEST_NONE, rpmDigestInit(), rpmDigestUpdate(), RPMERR_FREAD, RPMERR_NEWPACKAGE, RPMERR_SIGGEN, rpmError, rpmFreeSignature(), rpmIsDebug, RPMMESS_DEBUG, RPMMESS_ERROR, RPMMESS_WARNING, rpmMessage, RPMRC_FAIL, RPMRC_NOKEY, RPMRC_NOTFOUND, RPMRC_NOTTRUSTED, RPMRC_OK, rpmReadHeader(), rpmReadSignature(), RPMSIGTAG_DSA, RPMSIGTAG_GPG, RPMSIGTAG_MD5, RPMSIGTAG_PGP, RPMSIGTAG_PGP5, RPMSIGTAG_RSA, RPMSIGTAG_SHA1, rpmswEnter(), rpmswExit(), RPMTAG_HEADERIMMUTABLE, RPMTS_OP_DIGEST, RPMTS_OP_SIGNATURE, rpmtsCleanDig(), rpmtsDig(), rpmtsOp(), rpmtsSetSig(), rpmtsStashKeyid(), rpmtsVSFlags(), rpmVerifySignature(), RPMVSF_NEEDPAYLOAD, RPMVSF_NODSA, RPMVSF_NOMD5, RPMVSF_NORSA, RPMVSF_NOSHA1HEADER, pgpDig_s::sha1ctx, pgpDig_s::signature, _FD_s::stats, pgpDigParams_s::version, and vsflags.
Referenced by ftsStashLatest(), IDTXglob(), main(), readRPM(), rpmgiReadHeader(), rpmGraph(), rpmInstall(), rpmInstallSourcePackage(), rpmts_HdrFromFdno(), rpmtsRun(), and rpmtsSolve().
| static int rpmtsStashKeyid | ( | rpmts | ts | ) | [static] |
Remember current key id.
| ts | transaction set |
Definition at line 242 of file package.c.
References keyids, nextkeyid, nkeyids, nkeyids_max, pgpGrab(), rpmtsDig(), rpmtsSig(), rpmtsSignature(), pgpDigParams_s::signid, and xrealloc().
Referenced by rpmReadPackageFile().
int _print_pkts = 0 [static] |
Definition at line 32 of file package.c.
Referenced by rpmReadPackageFile(), and rpmVerifySignatures().
unsigned char header_magic[8] [static] |
Initial value:
{
0x8e, 0xad, 0xe8, 0x01, 0x00, 0x00, 0x00, 0x00
}
Definition at line 44 of file package.c.
Referenced by makeHDRSignature(), rpmReadHeader(), rpmReadPackageFile(), and rpmReadSignature().
unsigned int* keyids [static] |
unsigned int nextkeyid = 0 [static] |
unsigned int nkeyids = 0 [static] |
unsigned int nkeyids_max = 256 [static] |
int typeAlign[16] [static] |
1.5.2