rpm/lib/signature.h

124 lines
3.6 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_HEADERSIG= 5 /*!< Header style signature */
} 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+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, /*@null@*/ /*@out@*/ Header *sighp,
sigType sig_type, /*@null@*/ /*@out@*/ const char ** msg)
/*@globals fileSystem @*/
/*@modifies fd, *sighp, *msg, fileSystem @*/;
/** \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)
/*@globals fileSystem @*/
/*@modifies fd, h, fileSystem @*/;
/** \ingroup signature
* Generate signature(s) from a header+payload file, save in signature header.
* @param sigh signature header
* @param file header+payload file name
* @param sigTag type of signature(s) to add
* @param passPhrase private key pass phrase
* @return 0 on success, -1 on failure
*/
int rpmAddSignature(Header sigh, const char * file,
int_32 sigTag, /*@null@*/ const char * passPhrase)
/*@globals rpmGlobalMacroContext, h_errno, fileSystem, internalState @*/
/*@modifies sigh, rpmGlobalMacroContext, fileSystem, internalState @*/;
/******************************************************************/
/**
* 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 needed for signing/building.
* @param action enable/disable/query action
* @return sigTag to use, 0 if none, -1 on error
*/
int rpmLookupSignatureType(int action)
/*@globals rpmGlobalMacroContext, h_errno, internalState @*/
/*@modifies rpmGlobalMacroContext, internalState @*/;
/** \ingroup signature
* Read a pass phrase using getpass(3), confirm with gpg/pgp helper binaries.
* @param prompt user prompt
* @param sigTag signature type/tag
* @return pass phrase
*/
/*@dependent@*/ /*@null@*/
char * rpmGetPassPhrase(/*@null@*/ const char * prompt,
const int sigTag)
/*@globals rpmGlobalMacroContext, h_errno, fileSystem, internalState @*/
/*@modifies rpmGlobalMacroContext, fileSystem, internalState @*/;
/** \ingroup signature
* Return path to pgp executable of given type, or NULL when not found.
* @retval pgpVer pgp version
* @return path to pgp executable
*/
/*@-exportlocal -redecl@*/
/*@null@*/ const char * rpmDetectPGPVersion(
/*@null@*/ /*@out@*/ pgpVersion * pgpVer)
/*@globals rpmGlobalMacroContext, h_errno @*/
/*@modifies *pgpVer, rpmGlobalMacroContext @*/;
/*@=exportlocal =redecl@*/
#ifdef __cplusplus
}
#endif
#endif /* H_SIGNATURE */