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Diffstat (limited to 'sntp/networking.h')
| -rw-r--r-- | sntp/networking.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/sntp/networking.h b/sntp/networking.h new file mode 100644 index 000000000000..8cb72c44d7a5 --- /dev/null +++ b/sntp/networking.h @@ -0,0 +1,129 @@ +#ifndef NETWORKING_H +#define NETWORKING_H + +#include <arpa/inet.h> +#include <netinet/in.h> + +#include <strings.h> +#include <errno.h> +#include <config.h> +#include <netdb.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/socket.h> + +#include <ntp_rfc2553.h> +#include <ntp_stdlib.h> +#include <ntp_machine.h> +#include <ntp_unixtime.h> +#include <ntp_fp.h> +#include <ntp.h> + +#include "crypto.h" +#include "log.h" +#include "sntp-opts.h" +#include "utilities.h" + +/* + * for 4.2.6 only define AUTOKEY if OPENSSL, so that backported 4.2.7 + * references to AUTOKEY work -- in 4.2.7 AUTOKEY is independent of OPENSSL + */ +#ifdef OPENSSL +#define AUTOKEY +#endif + +/* FIXME To be replaced by the constants in ntp.h */ +#define SERVER_UNUSEABLE -1 /* Skip server */ +#define PACKET_UNUSEABLE -2 /* Discard packet and try to get a useable packet again if not tried too often */ +#define SERVER_AUTH_FAIL -3 /* Authentication failed, act upon settings */ +#define KOD_DEMOBILIZE -4 /* KOD packet with code DENY or RSTR, stop all communication and save KOD information */ +#define KOD_RATE -5 /* KOD packet with code RATE, reduce poll intervall */ +#define BROADCAST_FAILED -6 + + +/* From ntpdate.c */ +int is_reachable (struct addrinfo *dst); + +int resolve_hosts (const char **hosts, int hostc, struct addrinfo ***res, int pref_family); + +void create_socket (SOCKET *rsock, sockaddr_u *dest); + +void sendpkt (SOCKET rsock, sockaddr_u *dest, struct pkt *pkt, int len); + +int recvdata (SOCKET rsock, sockaddr_u *sender, char *rdata, int rdata_len); + +int recvpkt (SOCKET rsock, struct pkt *rpkt, unsigned int rsize, struct pkt *spkt); + +int recv_bcst_data (SOCKET rsock, char *rdata, int rdata_len, sockaddr_u *sas, sockaddr_u *ras); + +int recv_bcst_pkt (SOCKET rsock, struct pkt *rpkt, unsigned int rsize, sockaddr_u *sas); + +int process_pkt (struct pkt *rpkt, sockaddr_u *sas, int pkt_len, int mode, struct pkt *spkt, char * func_name); + +/* Shortened peer structure. Not absolutely necessary yet */ +struct speer { + struct speer *next; + sockaddr_u srcadr; + u_char version; + u_char hmode; + u_char hpoll; + u_char minpoll; + u_char maxpoll; + u_int flags; + u_char num_events; + u_char ttl; + u_char leap; + u_char pmode; + u_char stratum; + u_char ppoll; + u_char precision; /* should be s_char */ + u_int32 refid; + l_fp reftime; + keyid_t keyid; + +#ifdef AUTOKEY +#define clear_to_zero opcode + u_int32 opcode; /* last request opcode */ + associd_t assoc; /* peer association ID */ + u_int32 crypto; /* peer status word */ + EVP_PKEY *pkey; /* public key */ + const EVP_MD *digest; /* message digest algorithm */ + char *subject; /* certificate subject name */ + char *issuer; /* certificate issuer name */ + struct cert_info *xinfo; /* issuer certificate */ + keyid_t pkeyid; /* previous key ID */ + keyid_t hcookie; /* host cookie */ + keyid_t pcookie; /* peer cookie */ + const struct pkey_info *ident_pkey; /* identity key */ + BIGNUM *iffval; /* identity challenge (IFF, GQ, MV) */ + const BIGNUM *grpkey; /* identity challenge key (GQ) */ + struct value cookval; /* receive cookie values */ + struct value recval; /* receive autokey values */ + struct exten *cmmd; /* extension pointer */ + u_long refresh; /* next refresh epoch */ + + /* + * Variables used by authenticated server + */ + keyid_t *keylist; /* session key ID list */ + int keynumber; /* current key number */ + struct value encrypt; /* send encrypt values */ + struct value sndval; /* send autokey values */ +#else /* !AUTOKEY follows */ +#define clear_to_zero status +#endif /* !AUTOKEY */ + + l_fp rec; /* receive time stamp */ + l_fp xmt; /* transmit time stamp */ + l_fp dst; /* destination timestamp */ + l_fp aorg; /* origin timestamp */ + l_fp borg; /* alternate origin timestamp */ + double offset; /* peer clock offset */ + double delay; /* peer roundtrip delay */ +}; + + + + + +#endif |