rpm/lib/signature.h

86 lines
2.2 KiB
C

#ifndef H_SIGNATURE
#define H_SIGNATURE
/** \ingroup signature
* \file lib/signature.h
* Generate and verify signatures.
*/
#include <rpm/header.h>
/** \ingroup signature
* Signature types stored in rpm lead.
*/
typedef enum sigType_e {
RPMSIGTYPE_HEADERSIG= 5 /*!< Header style signature */
} sigType;
#ifdef __cplusplus
extern "C" {
#endif
/** \ingroup signature
* Return new, empty (signature) header instance.
* @return signature header
*/
Header rpmNewSignature(void);
/** \ingroup signature
* Read (and verify header+payload size) signature header.
* If an old-style signature is found, we emulate a new style one.
* @param fd file handle
* @retval sighp address of (signature) header (or NULL)
* @param sig_type type of signature header to read (from lead)
* @retval msg failure msg
* @return rpmRC return code
*/
rpmRC rpmReadSignature(FD_t fd, Header *sighp, sigType sig_type, char ** msg);
/** \ingroup signature
* Write signature header.
* @param fd file handle
* @param h (signature) header
* @return 0 on success, 1 on error
*/
int rpmWriteSignature(FD_t fd, Header h);
/** \ingroup signature
* Generate digest(s) from a header+payload file, save in signature header.
* @param sigh signature header
* @param file header+payload file name
* @param sigTag type of digest(s) to add
* @return 0 on success, -1 on failure
*/
int rpmGenDigest(Header sigh, const char * file, rpmTagVal sigTag);
/** \ingroup signature
* Verify a signature from a package.
*
* @param keyring keyring handle
* @param sigtd signature tag data container
* @param sig signature/pubkey parameters
* @retval result detailed text result of signature verification
* (malloc'd)
* @return result of signature verification
*/
rpmRC rpmVerifySignature(rpmKeyring keyring, rpmtd sigtd, pgpDigParams sig,
DIGEST_CTX ctx, char ** result);
/** \ingroup signature
* Destroy signature header from package.
* @param h signature header
* @return NULL always
*/
Header rpmFreeSignature(Header h);
/* Dumb wrapper around pgpPrtParams() to log some error messages on failure */
RPM_GNUC_INTERNAL
int parsePGPSig(rpmtd sigtd, const char *type, const char *fn,
pgpDigParams *sig);
#ifdef __cplusplus
}
#endif
#endif /* H_SIGNATURE */