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171 lines
6.2 KiB
C
171 lines
6.2 KiB
C
/*
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* ntp_crypto.h - definitions for cryptographic operations
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*/
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#ifdef OPENSSL
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#include "openssl/evp.h"
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/*
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* The following bits are set by the CRYPTO_ASSOC message from
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* the server and are not modified by the client.
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*/
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#define CRYPTO_FLAG_ENAB 0x0001 /* crypto enable */
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#define CRYPTO_FLAG_TAI 0x0002 /* leapseconds table */
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#define CRYPTO_FLAG_PRIV 0x0010 /* PC identity scheme */
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#define CRYPTO_FLAG_IFF 0x0020 /* IFF identity scheme */
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#define CRYPTO_FLAG_GQ 0x0040 /* GQ identity scheme */
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#define CRYPTO_FLAG_MV 0x0080 /* MV identity scheme */
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#define CRYPTO_FLAG_MASK 0x00f0 /* identity scheme mask */
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/*
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* The following bits are used by the client during the protocol
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* exchange.
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*/
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#define CRYPTO_FLAG_VALID 0x0100 /* public key verified */
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#define CRYPTO_FLAG_VRFY 0x0200 /* identity verified */
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#define CRYPTO_FLAG_PROV 0x0400 /* signature verified */
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#define CRYPTO_FLAG_AGREE 0x0800 /* cookie verifed */
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#define CRYPTO_FLAG_AUTO 0x1000 /* autokey verified */
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#define CRYPTO_FLAG_SIGN 0x2000 /* certificate signed */
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#define CRYPTO_FLAG_LEAP 0x4000 /* leapseconds table verified */
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/*
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* Flags used for certificate management
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*/
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#define CERT_TRUST 0x01 /* certificate is trusted */
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#define CERT_SIGN 0x02 /* certificate is signed */
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#define CERT_VALID 0x04 /* certificate is valid */
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#define CERT_PRIV 0x08 /* certificate is private */
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#define CERT_ERROR 0x80 /* certificate has errors */
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/*
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* Extension field definitions
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*/
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#define CRYPTO_MAXLEN 1024 /* max extension field length */
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#define CRYPTO_VN 2 /* current protocol version number */
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#define CRYPTO_CMD(x) (((CRYPTO_VN << 8) | (x)) << 16)
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#define CRYPTO_NULL CRYPTO_CMD(0) /* no operation */
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#define CRYPTO_ASSOC CRYPTO_CMD(1) /* association */
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#define CRYPTO_CERT CRYPTO_CMD(2) /* certificate */
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#define CRYPTO_COOK CRYPTO_CMD(3) /* cookie value */
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#define CRYPTO_AUTO CRYPTO_CMD(4) /* autokey values */
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#define CRYPTO_TAI CRYPTO_CMD(5) /* leapseconds table */
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#define CRYPTO_SIGN CRYPTO_CMD(6) /* certificate sign */
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#define CRYPTO_IFF CRYPTO_CMD(7) /* IFF identity scheme */
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#define CRYPTO_GQ CRYPTO_CMD(8) /* GQ identity scheme */
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#define CRYPTO_MV CRYPTO_CMD(9) /* MV identity scheme */
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#define CRYPTO_RESP 0x80000000 /* response */
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#define CRYPTO_ERROR 0x40000000 /* error */
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/*
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* Autokey event codes
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*/
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#define XEVNT_CMD(x) (CRPT_EVENT | (x))
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#define XEVNT_OK XEVNT_CMD(0) /* success */
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#define XEVNT_LEN XEVNT_CMD(1) /* bad field format or length */
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#define XEVNT_TSP XEVNT_CMD(2) /* bad timestamp */
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#define XEVNT_FSP XEVNT_CMD(3) /* bad filestamp */
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#define XEVNT_PUB XEVNT_CMD(4) /* bad or missing public key */
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#define XEVNT_MD XEVNT_CMD(5) /* unsupported digest type */
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#define XEVNT_KEY XEVNT_CMD(6) /* unsupported identity type */
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#define XEVNT_SGL XEVNT_CMD(7) /* bad signature length */
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#define XEVNT_SIG XEVNT_CMD(8) /* signature not verified */
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#define XEVNT_VFY XEVNT_CMD(9) /* certificate not verified */
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#define XEVNT_PER XEVNT_CMD(10) /* host certificate expired */
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#define XEVNT_CKY XEVNT_CMD(11) /* bad or missing cookie */
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#define XEVNT_DAT XEVNT_CMD(12) /* bad or missing leapseconds table */
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#define XEVNT_CRT XEVNT_CMD(13) /* bad or missing certificate */
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#define XEVNT_ID XEVNT_CMD(14) /* bad or missing group key */
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#define XEVNT_ERR XEVNT_CMD(15) /* protocol error */
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#define XEVNT_SRV XEVNT_CMD(16) /* server certificate expired */
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/*
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* Configuration codes
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*/
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#define CRYPTO_CONF_NONE 0 /* nothing doing */
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#define CRYPTO_CONF_PRIV 1 /* host keys file name */
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#define CRYPTO_CONF_SIGN 2 /* signature keys file name */
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#define CRYPTO_CONF_LEAP 3 /* leapseconds table file name */
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#define CRYPTO_CONF_KEYS 4 /* keys directory path */
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#define CRYPTO_CONF_CERT 5 /* certificate file name */
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#define CRYPTO_CONF_RAND 6 /* random seed file name */
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#define CRYPTO_CONF_TRST 7 /* specify trust */
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#define CRYPTO_CONF_IFFPAR 8 /* IFF parameters file name */
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#define CRYPTO_CONF_GQPAR 9 /* GQ parameters file name */
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#define CRYPTO_CONF_MVPAR 10 /* GQ parameters file name */
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#define CRYPTO_CONF_PW 11 /* private key password */
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#define CRYPTO_CONF_IDENT 12 /* specify identity scheme */
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/*
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* Miscellaneous crypto stuff
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*/
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#define NTP_MAXSESSION 100 /* maximum session key list entries */
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#define NTP_AUTOMAX 13 /* log2 default max session key life */
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#define KEY_REVOKE 16 /* log2 default key revoke timeout */
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#define NTP_MAXEXTEN 1024 /* maximum extension field size */
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#define TAI_1972 10 /* initial TAI offset (s) */
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/*
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* The autokey structure holds the values used to authenticate key IDs.
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*/
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struct autokey { /* network byte order */
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keyid_t key; /* key ID */
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int32 seq; /* key number */
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};
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/*
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* The value structure holds variable length data such as public
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* key, agreement parameters, public valule and leapsecond table.
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* They are in network byte order.
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*/
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struct value { /* network byte order */
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tstamp_t tstamp; /* timestamp */
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tstamp_t fstamp; /* filestamp */
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u_int32 vallen; /* value length */
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u_char *ptr; /* data pointer (various) */
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u_int32 siglen; /* signature length */
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u_char *sig; /* signature */
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};
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/*
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* The packet extension field structures are used to hold values
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* and signatures in network byte order.
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*/
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struct exten {
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u_int32 opcode; /* opcode */
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u_int32 associd; /* association ID */
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u_int32 tstamp; /* timestamp */
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u_int32 fstamp; /* filestamp */
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u_int32 vallen; /* value length */
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u_int32 pkt[1]; /* start of value field */
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};
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/*
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* The certificate info/value structure
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*/
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struct cert_info {
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struct cert_info *link; /* forward link */
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u_int flags; /* flags that wave */
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EVP_PKEY *pkey; /* generic key */
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long version; /* X509 version */
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int nid; /* signature/digest ID */
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const EVP_MD *digest; /* message digest algorithm */
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u_long serial; /* serial number */
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tstamp_t first; /* not valid before */
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tstamp_t last; /* not valid after */
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char *subject; /* subject common name */
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char *issuer; /* issuer common name */
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u_char *grpkey; /* GQ group key */
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u_int grplen; /* GQ group key length */
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struct value cert; /* certificate/value */
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};
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/*
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* Cryptographic values
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*/
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extern char *keysdir; /* crypto keys directory */
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extern u_int crypto_flags; /* status word */
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extern struct value hostval; /* host name/value */
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extern struct cert_info *cinfo; /* host certificate information */
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extern struct value tai_leap; /* leapseconds table */
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#endif /* OPENSSL */
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