rpm/lib/signature.h

108 lines
2.9 KiB
C

#ifndef H_SIGNATURE
#define H_SIGNATURE
/** \ingroup signature
* \file lib/signature.h
* Generate and verify signatures.
*/
#include <header.h>
/** \ingroup signature
* Signature types stored in rpm lead.
*/
typedef enum sigType_e {
RPMSIGTYPE_NONE = 0, /*!< unused, legacy. */
RPMSIGTYPE_PGP262_1024 = 1, /*!< unused, legacy. */
/*@-enummemuse@*/
RPMSIGTYPE_BAD = 2, /*!< Unknown signature type. */
/*@=enummemuse@*/
RPMSIGTYPE_MD5 = 3, /*!< unused, legacy. */
RPMSIGTYPE_MD5_PGP = 4, /*!< unused, legacy. */
RPMSIGTYPE_HEADERSIG= 5, /*!< Header style signature */
RPMSIGTYPE_DISABLE = 6, /*!< Disable verification (debugging only) */
} sigType;
/** \ingroup signature
* Identify PGP versions.
* @note Greater than 0 is a valid PGP version.
*/
typedef enum pgpVersion_e {
PGP_NOTDETECTED = -1,
PGP_UNKNOWN = 0,
PGP_2 = 2,
PGP_5 = 5
} pgpVersion;
#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+archive size) signature header.
* If an old-style signature is found, we emulate a new style one.
* @param fd file handle
* @retval headerp address of (signature) header (or NULL)
* @param sig_type type of signature header to read (from lead)
* @return rpmRC return code
*/
rpmRC rpmReadSignature(FD_t fd, /*@null@*/ /*@out@*/ Header *headerp,
sigType sig_type)
/*@modifies fd, *headerp @*/;
/** \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)
/*@modifies fd, h, fileSystem @*/;
/** \ingroup signature
* Generate a signature of data in file, insert in header.
*/
int rpmAddSignature(Header h, const char * file,
int_32 sigTag, /*@null@*/ const char * passPhrase)
/*@modifies h @*/;
/******************************************************************/
/* Possible actions for rpmLookupSignatureType() */
#define RPMLOOKUPSIG_QUERY 0 /* Lookup type in effect */
#define RPMLOOKUPSIG_DISABLE 1 /* Disable (--sign was not given) */
#define RPMLOOKUPSIG_ENABLE 2 /* Re-enable %_signature */
/** \ingroup signature
* Return type of signature in effect for building.
*/
int rpmLookupSignatureType(int action)
/*@modifies internalState @*/;
/** \ingroup signature
* Read a pass phrase from the user.
*/
/*@null@*/ char * rpmGetPassPhrase(const char *prompt, const int sigTag)
/*@modifies fileSystem @*/;
/** \ingroup signature
* Return path to pgp executable of given type, or NULL when not found.
*/
/*@-redecl@*/
/*@null@*/ const char * rpmDetectPGPVersion(
/*@null@*/ /*@out@*/ pgpVersion * pgpVer)
/*@modifies *pgpVer, fileSystem @*/;
/*@=redecl@*/
#ifdef __cplusplus
}
#endif
#endif /* H_SIGNATURE */