052d159a8b
4.2.8p12 --> 4.2.8p13 MFC after: immediately Security: CVE-2019-8936 VuXML: c2576e14-36e2-11e9-9eda-206a8a720317 Obtained from: nwtime.org
2788 lines
67 KiB
C
2788 lines
67 KiB
C
/*
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* ntp_request.c - respond to information requests
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "ntpd.h"
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#include "ntp_io.h"
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#include "ntp_request.h"
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#include "ntp_control.h"
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#include "ntp_refclock.h"
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#include "ntp_if.h"
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#include "ntp_stdlib.h"
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#include "ntp_assert.h"
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#include <stdio.h>
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#include <stddef.h>
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#include <signal.h>
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#include <arpa/inet.h>
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#include "recvbuff.h"
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#ifdef KERNEL_PLL
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#include "ntp_syscall.h"
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#endif /* KERNEL_PLL */
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/*
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* Structure to hold request procedure information
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*/
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#define NOAUTH 0
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#define AUTH 1
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#define NO_REQUEST (-1)
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/*
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* Because we now have v6 addresses in the messages, we need to compensate
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* for the larger size. Therefore, we introduce the alternate size to
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* keep us friendly with older implementations. A little ugly.
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*/
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static int client_v6_capable = 0; /* the client can handle longer messages */
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#define v6sizeof(type) (client_v6_capable ? sizeof(type) : v4sizeof(type))
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struct req_proc {
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short request_code; /* defined request code */
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short needs_auth; /* true when authentication needed */
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short sizeofitem; /* size of request data item (older size)*/
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short v6_sizeofitem; /* size of request data item (new size)*/
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void (*handler) (sockaddr_u *, endpt *,
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struct req_pkt *); /* routine to handle request */
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};
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/*
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* Universal request codes
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*/
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static const struct req_proc univ_codes[] = {
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{ NO_REQUEST, NOAUTH, 0, 0, NULL }
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};
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static void req_ack (sockaddr_u *, endpt *, struct req_pkt *, int);
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static void * prepare_pkt (sockaddr_u *, endpt *,
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struct req_pkt *, size_t);
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static void * more_pkt (void);
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static void flush_pkt (void);
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static void list_peers (sockaddr_u *, endpt *, struct req_pkt *);
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static void list_peers_sum (sockaddr_u *, endpt *, struct req_pkt *);
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static void peer_info (sockaddr_u *, endpt *, struct req_pkt *);
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static void peer_stats (sockaddr_u *, endpt *, struct req_pkt *);
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static void sys_info (sockaddr_u *, endpt *, struct req_pkt *);
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static void sys_stats (sockaddr_u *, endpt *, struct req_pkt *);
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static void mem_stats (sockaddr_u *, endpt *, struct req_pkt *);
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static void io_stats (sockaddr_u *, endpt *, struct req_pkt *);
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static void timer_stats (sockaddr_u *, endpt *, struct req_pkt *);
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static void loop_info (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_conf (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_unconf (sockaddr_u *, endpt *, struct req_pkt *);
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static void set_sys_flag (sockaddr_u *, endpt *, struct req_pkt *);
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static void clr_sys_flag (sockaddr_u *, endpt *, struct req_pkt *);
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static void setclr_flags (sockaddr_u *, endpt *, struct req_pkt *, u_long);
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static void list_restrict4 (const restrict_u *, struct info_restrict **);
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static void list_restrict6 (const restrict_u *, struct info_restrict **);
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static void list_restrict (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_resaddflags (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_ressubflags (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_unrestrict (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_restrict (sockaddr_u *, endpt *, struct req_pkt *, restrict_op);
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static void mon_getlist (sockaddr_u *, endpt *, struct req_pkt *);
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static void reset_stats (sockaddr_u *, endpt *, struct req_pkt *);
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static void reset_peer (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_key_reread (sockaddr_u *, endpt *, struct req_pkt *);
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static void trust_key (sockaddr_u *, endpt *, struct req_pkt *);
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static void untrust_key (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_trustkey (sockaddr_u *, endpt *, struct req_pkt *, u_long);
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static void get_auth_info (sockaddr_u *, endpt *, struct req_pkt *);
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static void req_get_traps (sockaddr_u *, endpt *, struct req_pkt *);
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static void req_set_trap (sockaddr_u *, endpt *, struct req_pkt *);
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static void req_clr_trap (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_setclr_trap (sockaddr_u *, endpt *, struct req_pkt *, int);
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static void set_request_keyid (sockaddr_u *, endpt *, struct req_pkt *);
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static void set_control_keyid (sockaddr_u *, endpt *, struct req_pkt *);
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static void get_ctl_stats (sockaddr_u *, endpt *, struct req_pkt *);
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static void get_if_stats (sockaddr_u *, endpt *, struct req_pkt *);
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static void do_if_reload (sockaddr_u *, endpt *, struct req_pkt *);
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#ifdef KERNEL_PLL
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static void get_kernel_info (sockaddr_u *, endpt *, struct req_pkt *);
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#endif /* KERNEL_PLL */
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#ifdef REFCLOCK
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static void get_clock_info (sockaddr_u *, endpt *, struct req_pkt *);
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static void set_clock_fudge (sockaddr_u *, endpt *, struct req_pkt *);
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#endif /* REFCLOCK */
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#ifdef REFCLOCK
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static void get_clkbug_info (sockaddr_u *, endpt *, struct req_pkt *);
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#endif /* REFCLOCK */
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/*
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* ntpd request codes
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*/
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static const struct req_proc ntp_codes[] = {
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{ REQ_PEER_LIST, NOAUTH, 0, 0, list_peers },
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{ REQ_PEER_LIST_SUM, NOAUTH, 0, 0, list_peers_sum },
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{ REQ_PEER_INFO, NOAUTH, v4sizeof(struct info_peer_list),
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sizeof(struct info_peer_list), peer_info},
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{ REQ_PEER_STATS, NOAUTH, v4sizeof(struct info_peer_list),
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sizeof(struct info_peer_list), peer_stats},
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{ REQ_SYS_INFO, NOAUTH, 0, 0, sys_info },
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{ REQ_SYS_STATS, NOAUTH, 0, 0, sys_stats },
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{ REQ_IO_STATS, NOAUTH, 0, 0, io_stats },
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{ REQ_MEM_STATS, NOAUTH, 0, 0, mem_stats },
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{ REQ_LOOP_INFO, NOAUTH, 0, 0, loop_info },
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{ REQ_TIMER_STATS, NOAUTH, 0, 0, timer_stats },
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{ REQ_CONFIG, AUTH, v4sizeof(struct conf_peer),
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sizeof(struct conf_peer), do_conf },
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{ REQ_UNCONFIG, AUTH, v4sizeof(struct conf_unpeer),
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sizeof(struct conf_unpeer), do_unconf },
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{ REQ_SET_SYS_FLAG, AUTH, sizeof(struct conf_sys_flags),
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sizeof(struct conf_sys_flags), set_sys_flag },
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{ REQ_CLR_SYS_FLAG, AUTH, sizeof(struct conf_sys_flags),
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sizeof(struct conf_sys_flags), clr_sys_flag },
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{ REQ_GET_RESTRICT, NOAUTH, 0, 0, list_restrict },
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{ REQ_RESADDFLAGS, AUTH, v4sizeof(struct conf_restrict),
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sizeof(struct conf_restrict), do_resaddflags },
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{ REQ_RESSUBFLAGS, AUTH, v4sizeof(struct conf_restrict),
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sizeof(struct conf_restrict), do_ressubflags },
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{ REQ_UNRESTRICT, AUTH, v4sizeof(struct conf_restrict),
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sizeof(struct conf_restrict), do_unrestrict },
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{ REQ_MON_GETLIST, NOAUTH, 0, 0, mon_getlist },
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{ REQ_MON_GETLIST_1, NOAUTH, 0, 0, mon_getlist },
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{ REQ_RESET_STATS, AUTH, sizeof(struct reset_flags), 0, reset_stats },
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{ REQ_RESET_PEER, AUTH, v4sizeof(struct conf_unpeer),
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sizeof(struct conf_unpeer), reset_peer },
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{ REQ_REREAD_KEYS, AUTH, 0, 0, do_key_reread },
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{ REQ_TRUSTKEY, AUTH, sizeof(u_long), sizeof(u_long), trust_key },
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{ REQ_UNTRUSTKEY, AUTH, sizeof(u_long), sizeof(u_long), untrust_key },
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{ REQ_AUTHINFO, NOAUTH, 0, 0, get_auth_info },
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{ REQ_TRAPS, NOAUTH, 0, 0, req_get_traps },
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{ REQ_ADD_TRAP, AUTH, v4sizeof(struct conf_trap),
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sizeof(struct conf_trap), req_set_trap },
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{ REQ_CLR_TRAP, AUTH, v4sizeof(struct conf_trap),
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sizeof(struct conf_trap), req_clr_trap },
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{ REQ_REQUEST_KEY, AUTH, sizeof(u_long), sizeof(u_long),
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set_request_keyid },
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{ REQ_CONTROL_KEY, AUTH, sizeof(u_long), sizeof(u_long),
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set_control_keyid },
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{ REQ_GET_CTLSTATS, NOAUTH, 0, 0, get_ctl_stats },
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#ifdef KERNEL_PLL
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{ REQ_GET_KERNEL, NOAUTH, 0, 0, get_kernel_info },
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#endif
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#ifdef REFCLOCK
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{ REQ_GET_CLOCKINFO, NOAUTH, sizeof(u_int32), sizeof(u_int32),
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get_clock_info },
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{ REQ_SET_CLKFUDGE, AUTH, sizeof(struct conf_fudge),
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sizeof(struct conf_fudge), set_clock_fudge },
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{ REQ_GET_CLKBUGINFO, NOAUTH, sizeof(u_int32), sizeof(u_int32),
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get_clkbug_info },
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#endif
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{ REQ_IF_STATS, AUTH, 0, 0, get_if_stats },
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{ REQ_IF_RELOAD, AUTH, 0, 0, do_if_reload },
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{ NO_REQUEST, NOAUTH, 0, 0, 0 }
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};
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/*
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* Authentication keyid used to authenticate requests. Zero means we
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* don't allow writing anything.
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*/
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keyid_t info_auth_keyid;
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/*
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* Statistic counters to keep track of requests and responses.
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*/
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u_long numrequests; /* number of requests we've received */
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u_long numresppkts; /* number of resp packets sent with data */
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/*
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* lazy way to count errors, indexed by the error code
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*/
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u_long errorcounter[MAX_INFO_ERR + 1];
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/*
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* A hack. To keep the authentication module clear of ntp-ism's, we
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* include a time reset variable for its stats here.
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*/
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u_long auth_timereset;
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/*
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* Response packet used by these routines. Also some state information
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* so that we can handle packet formatting within a common set of
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* subroutines. Note we try to enter data in place whenever possible,
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* but the need to set the more bit correctly means we occasionally
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* use the extra buffer and copy.
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*/
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static struct resp_pkt rpkt;
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static int reqver;
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static int seqno;
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static int nitems;
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static int itemsize;
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static int databytes;
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static char exbuf[RESP_DATA_SIZE];
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static int usingexbuf;
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static sockaddr_u *toaddr;
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static endpt *frominter;
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/*
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* init_request - initialize request data
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*/
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void
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init_request (void)
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{
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size_t i;
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numrequests = 0;
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numresppkts = 0;
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auth_timereset = 0;
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info_auth_keyid = 0; /* by default, can't do this */
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for (i = 0; i < sizeof(errorcounter)/sizeof(errorcounter[0]); i++)
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errorcounter[i] = 0;
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}
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/*
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* req_ack - acknowledge request with no data
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*/
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static void
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req_ack(
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sockaddr_u *srcadr,
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endpt *inter,
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struct req_pkt *inpkt,
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int errcode
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)
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{
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/*
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* fill in the fields
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*/
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rpkt.rm_vn_mode = RM_VN_MODE(RESP_BIT, 0, reqver);
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rpkt.auth_seq = AUTH_SEQ(0, 0);
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rpkt.implementation = inpkt->implementation;
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rpkt.request = inpkt->request;
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rpkt.err_nitems = ERR_NITEMS(errcode, 0);
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rpkt.mbz_itemsize = MBZ_ITEMSIZE(0);
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/*
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* send packet and bump counters
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*/
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sendpkt(srcadr, inter, -1, (struct pkt *)&rpkt, RESP_HEADER_SIZE);
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errorcounter[errcode]++;
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}
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/*
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* prepare_pkt - prepare response packet for transmission, return pointer
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* to storage for data item.
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*/
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static void *
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prepare_pkt(
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sockaddr_u *srcadr,
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endpt *inter,
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struct req_pkt *pkt,
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size_t structsize
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)
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{
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DPRINTF(4, ("request: preparing pkt\n"));
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/*
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* Fill in the implementation, request and itemsize fields
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* since these won't change.
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*/
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rpkt.implementation = pkt->implementation;
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rpkt.request = pkt->request;
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rpkt.mbz_itemsize = MBZ_ITEMSIZE(structsize);
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/*
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* Compute the static data needed to carry on.
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*/
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toaddr = srcadr;
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frominter = inter;
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seqno = 0;
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nitems = 0;
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itemsize = structsize;
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databytes = 0;
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usingexbuf = 0;
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/*
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* return the beginning of the packet buffer.
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*/
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return &rpkt.u;
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}
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/*
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* more_pkt - return a data pointer for a new item.
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*/
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static void *
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more_pkt(void)
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{
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/*
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* If we were using the extra buffer, send the packet.
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*/
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if (usingexbuf) {
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DPRINTF(3, ("request: sending pkt\n"));
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rpkt.rm_vn_mode = RM_VN_MODE(RESP_BIT, MORE_BIT, reqver);
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rpkt.auth_seq = AUTH_SEQ(0, seqno);
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rpkt.err_nitems = htons((u_short)nitems);
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sendpkt(toaddr, frominter, -1, (struct pkt *)&rpkt,
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RESP_HEADER_SIZE + databytes);
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numresppkts++;
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/*
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* Copy data out of exbuf into the packet.
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*/
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memcpy(&rpkt.u.data[0], exbuf, (unsigned)itemsize);
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seqno++;
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databytes = 0;
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nitems = 0;
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usingexbuf = 0;
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}
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databytes += itemsize;
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nitems++;
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if (databytes + itemsize <= RESP_DATA_SIZE) {
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DPRINTF(4, ("request: giving him more data\n"));
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/*
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* More room in packet. Give him the
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* next address.
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*/
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return &rpkt.u.data[databytes];
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} else {
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/*
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* No room in packet. Give him the extra
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* buffer unless this was the last in the sequence.
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*/
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DPRINTF(4, ("request: into extra buffer\n"));
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if (seqno == MAXSEQ)
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return NULL;
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else {
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usingexbuf = 1;
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return exbuf;
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}
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}
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}
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/*
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* flush_pkt - we're done, return remaining information.
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*/
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static void
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flush_pkt(void)
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{
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DPRINTF(3, ("request: flushing packet, %d items\n", nitems));
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/*
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* Must send the last packet. If nothing in here and nothing
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* has been sent, send an error saying no data to be found.
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*/
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if (seqno == 0 && nitems == 0)
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req_ack(toaddr, frominter, (struct req_pkt *)&rpkt,
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INFO_ERR_NODATA);
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else {
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rpkt.rm_vn_mode = RM_VN_MODE(RESP_BIT, 0, reqver);
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rpkt.auth_seq = AUTH_SEQ(0, seqno);
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rpkt.err_nitems = htons((u_short)nitems);
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sendpkt(toaddr, frominter, -1, (struct pkt *)&rpkt,
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RESP_HEADER_SIZE+databytes);
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numresppkts++;
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}
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}
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/*
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* Given a buffer, return the packet mode
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*/
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int
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get_packet_mode(struct recvbuf *rbufp)
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{
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struct req_pkt *inpkt = (struct req_pkt *)&rbufp->recv_pkt;
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return (INFO_MODE(inpkt->rm_vn_mode));
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}
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/*
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* process_private - process private mode (7) packets
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*/
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void
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process_private(
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struct recvbuf *rbufp,
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int mod_okay
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)
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{
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static u_long quiet_until;
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struct req_pkt *inpkt;
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struct req_pkt_tail *tailinpkt;
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sockaddr_u *srcadr;
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endpt *inter;
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const struct req_proc *proc;
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int ec;
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short temp_size;
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l_fp ftmp;
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double dtemp;
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size_t recv_len;
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size_t noslop_len;
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size_t mac_len;
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/*
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* Initialize pointers, for convenience
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*/
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recv_len = rbufp->recv_length;
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inpkt = (struct req_pkt *)&rbufp->recv_pkt;
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srcadr = &rbufp->recv_srcadr;
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inter = rbufp->dstadr;
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DPRINTF(3, ("process_private: impl %d req %d\n",
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inpkt->implementation, inpkt->request));
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/*
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* Do some sanity checks on the packet. Return a format
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* error if it fails.
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*/
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ec = 0;
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if ( (++ec, ISRESPONSE(inpkt->rm_vn_mode))
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|| (++ec, ISMORE(inpkt->rm_vn_mode))
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|| (++ec, INFO_VERSION(inpkt->rm_vn_mode) > NTP_VERSION)
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|| (++ec, INFO_VERSION(inpkt->rm_vn_mode) < NTP_OLDVERSION)
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|| (++ec, INFO_SEQ(inpkt->auth_seq) != 0)
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|| (++ec, INFO_ERR(inpkt->err_nitems) != 0)
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|| (++ec, INFO_MBZ(inpkt->mbz_itemsize) != 0)
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|| (++ec, rbufp->recv_length < (int)REQ_LEN_HDR)
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) {
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NLOG(NLOG_SYSEVENT)
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if (current_time >= quiet_until) {
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msyslog(LOG_ERR,
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"process_private: drop test %d"
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" failed, pkt from %s",
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ec, stoa(srcadr));
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quiet_until = current_time + 60;
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}
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return;
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|
}
|
|
|
|
reqver = INFO_VERSION(inpkt->rm_vn_mode);
|
|
|
|
/*
|
|
* Get the appropriate procedure list to search.
|
|
*/
|
|
if (inpkt->implementation == IMPL_UNIV)
|
|
proc = univ_codes;
|
|
else if ((inpkt->implementation == IMPL_XNTPD) ||
|
|
(inpkt->implementation == IMPL_XNTPD_OLD))
|
|
proc = ntp_codes;
|
|
else {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_IMPL);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Search the list for the request codes. If it isn't one
|
|
* we know, return an error.
|
|
*/
|
|
while (proc->request_code != NO_REQUEST) {
|
|
if (proc->request_code == (short) inpkt->request)
|
|
break;
|
|
proc++;
|
|
}
|
|
if (proc->request_code == NO_REQUEST) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_REQ);
|
|
return;
|
|
}
|
|
|
|
DPRINTF(4, ("found request in tables\n"));
|
|
|
|
/*
|
|
* If we need data, check to see if we have some. If we
|
|
* don't, check to see that there is none (picky, picky).
|
|
*/
|
|
|
|
/* This part is a bit tricky, we want to be sure that the size
|
|
* returned is either the old or the new size. We also can find
|
|
* out if the client can accept both types of messages this way.
|
|
*
|
|
* Handle the exception of REQ_CONFIG. It can have two data sizes.
|
|
*/
|
|
temp_size = INFO_ITEMSIZE(inpkt->mbz_itemsize);
|
|
if ((temp_size != proc->sizeofitem &&
|
|
temp_size != proc->v6_sizeofitem) &&
|
|
!(inpkt->implementation == IMPL_XNTPD &&
|
|
inpkt->request == REQ_CONFIG &&
|
|
temp_size == sizeof(struct old_conf_peer))) {
|
|
DPRINTF(3, ("process_private: wrong item size, received %d, should be %d or %d\n",
|
|
temp_size, proc->sizeofitem, proc->v6_sizeofitem));
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
if ((proc->sizeofitem != 0) &&
|
|
((size_t)(temp_size * INFO_NITEMS(inpkt->err_nitems)) >
|
|
(recv_len - REQ_LEN_HDR))) {
|
|
DPRINTF(3, ("process_private: not enough data\n"));
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
switch (inpkt->implementation) {
|
|
case IMPL_XNTPD:
|
|
client_v6_capable = 1;
|
|
break;
|
|
case IMPL_XNTPD_OLD:
|
|
client_v6_capable = 0;
|
|
break;
|
|
default:
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If we need to authenticate, do so. Note that an
|
|
* authenticatable packet must include a mac field, must
|
|
* have used key info_auth_keyid and must have included
|
|
* a time stamp in the appropriate field. The time stamp
|
|
* must be within INFO_TS_MAXSKEW of the receive
|
|
* time stamp.
|
|
*/
|
|
if (proc->needs_auth && sys_authenticate) {
|
|
|
|
if (recv_len < (REQ_LEN_HDR +
|
|
(INFO_ITEMSIZE(inpkt->mbz_itemsize) *
|
|
INFO_NITEMS(inpkt->err_nitems)) +
|
|
REQ_TAIL_MIN)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* For 16-octet digests, regardless of itemsize and
|
|
* nitems, authenticated requests are a fixed size
|
|
* with the timestamp, key ID, and digest located
|
|
* at the end of the packet. Because the key ID
|
|
* determining the digest size precedes the digest,
|
|
* for larger digests the fixed size request scheme
|
|
* is abandoned and the timestamp, key ID, and digest
|
|
* are located relative to the start of the packet,
|
|
* with the digest size determined by the packet size.
|
|
*/
|
|
noslop_len = REQ_LEN_HDR
|
|
+ INFO_ITEMSIZE(inpkt->mbz_itemsize) *
|
|
INFO_NITEMS(inpkt->err_nitems)
|
|
+ sizeof(inpkt->tstamp);
|
|
/* 32-bit alignment */
|
|
noslop_len = (noslop_len + 3) & ~3;
|
|
if (recv_len > (noslop_len + MAX_MAC_LEN))
|
|
mac_len = 20;
|
|
else
|
|
mac_len = recv_len - noslop_len;
|
|
|
|
tailinpkt = (void *)((char *)inpkt + recv_len -
|
|
(mac_len + sizeof(inpkt->tstamp)));
|
|
|
|
/*
|
|
* If this guy is restricted from doing this, don't let
|
|
* him. If the wrong key was used, or packet doesn't
|
|
* have mac, return.
|
|
*/
|
|
/* XXX: Use authistrustedip(), or equivalent. */
|
|
if (!INFO_IS_AUTH(inpkt->auth_seq) || !info_auth_keyid
|
|
|| ntohl(tailinpkt->keyid) != info_auth_keyid) {
|
|
DPRINTF(5, ("failed auth %d info_auth_keyid %u pkt keyid %u maclen %lu\n",
|
|
INFO_IS_AUTH(inpkt->auth_seq),
|
|
info_auth_keyid,
|
|
ntohl(tailinpkt->keyid), (u_long)mac_len));
|
|
#ifdef DEBUG
|
|
msyslog(LOG_DEBUG,
|
|
"process_private: failed auth %d info_auth_keyid %u pkt keyid %u maclen %lu\n",
|
|
INFO_IS_AUTH(inpkt->auth_seq),
|
|
info_auth_keyid,
|
|
ntohl(tailinpkt->keyid), (u_long)mac_len);
|
|
#endif
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_AUTH);
|
|
return;
|
|
}
|
|
if (recv_len > REQ_LEN_NOMAC + MAX_MAC_LEN) {
|
|
DPRINTF(5, ("bad pkt length %zu\n", recv_len));
|
|
msyslog(LOG_ERR,
|
|
"process_private: bad pkt length %zu",
|
|
recv_len);
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
if (!mod_okay || !authhavekey(info_auth_keyid)) {
|
|
DPRINTF(5, ("failed auth mod_okay %d\n",
|
|
mod_okay));
|
|
#ifdef DEBUG
|
|
msyslog(LOG_DEBUG,
|
|
"process_private: failed auth mod_okay %d\n",
|
|
mod_okay);
|
|
#endif
|
|
if (!mod_okay) {
|
|
sys_restricted++;
|
|
}
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_AUTH);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* calculate absolute time difference between xmit time stamp
|
|
* and receive time stamp. If too large, too bad.
|
|
*/
|
|
NTOHL_FP(&tailinpkt->tstamp, &ftmp);
|
|
L_SUB(&ftmp, &rbufp->recv_time);
|
|
LFPTOD(&ftmp, dtemp);
|
|
if (fabs(dtemp) > INFO_TS_MAXSKEW) {
|
|
/*
|
|
* He's a loser. Tell him.
|
|
*/
|
|
DPRINTF(5, ("xmit/rcv timestamp delta %g > INFO_TS_MAXSKEW %g\n",
|
|
dtemp, INFO_TS_MAXSKEW));
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_AUTH);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* So far so good. See if decryption works out okay.
|
|
*/
|
|
if (!authdecrypt(info_auth_keyid, (u_int32 *)inpkt,
|
|
recv_len - mac_len, mac_len)) {
|
|
DPRINTF(5, ("authdecrypt failed\n"));
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_AUTH);
|
|
return;
|
|
}
|
|
}
|
|
|
|
DPRINTF(3, ("process_private: all okay, into handler\n"));
|
|
/*
|
|
* Packet is okay. Call the handler to send him data.
|
|
*/
|
|
(proc->handler)(srcadr, inter, inpkt);
|
|
}
|
|
|
|
|
|
/*
|
|
* list_peers - send a list of the peers
|
|
*/
|
|
static void
|
|
list_peers(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
struct info_peer_list * ip;
|
|
const struct peer * pp;
|
|
|
|
ip = (struct info_peer_list *)prepare_pkt(srcadr, inter, inpkt,
|
|
v6sizeof(struct info_peer_list));
|
|
for (pp = peer_list; pp != NULL && ip != NULL; pp = pp->p_link) {
|
|
if (IS_IPV6(&pp->srcadr)) {
|
|
if (!client_v6_capable)
|
|
continue;
|
|
ip->addr6 = SOCK_ADDR6(&pp->srcadr);
|
|
ip->v6_flag = 1;
|
|
} else {
|
|
ip->addr = NSRCADR(&pp->srcadr);
|
|
if (client_v6_capable)
|
|
ip->v6_flag = 0;
|
|
}
|
|
|
|
ip->port = NSRCPORT(&pp->srcadr);
|
|
ip->hmode = pp->hmode;
|
|
ip->flags = 0;
|
|
if (pp->flags & FLAG_CONFIG)
|
|
ip->flags |= INFO_FLAG_CONFIG;
|
|
if (pp == sys_peer)
|
|
ip->flags |= INFO_FLAG_SYSPEER;
|
|
if (pp->status == CTL_PST_SEL_SYNCCAND)
|
|
ip->flags |= INFO_FLAG_SEL_CANDIDATE;
|
|
if (pp->status >= CTL_PST_SEL_SYSPEER)
|
|
ip->flags |= INFO_FLAG_SHORTLIST;
|
|
ip = (struct info_peer_list *)more_pkt();
|
|
} /* for pp */
|
|
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* list_peers_sum - return extended peer list
|
|
*/
|
|
static void
|
|
list_peers_sum(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
struct info_peer_summary * ips;
|
|
const struct peer * pp;
|
|
l_fp ltmp;
|
|
|
|
DPRINTF(3, ("wants peer list summary\n"));
|
|
|
|
ips = (struct info_peer_summary *)prepare_pkt(srcadr, inter, inpkt,
|
|
v6sizeof(struct info_peer_summary));
|
|
for (pp = peer_list; pp != NULL && ips != NULL; pp = pp->p_link) {
|
|
DPRINTF(4, ("sum: got one\n"));
|
|
/*
|
|
* Be careful here not to return v6 peers when we
|
|
* want only v4.
|
|
*/
|
|
if (IS_IPV6(&pp->srcadr)) {
|
|
if (!client_v6_capable)
|
|
continue;
|
|
ips->srcadr6 = SOCK_ADDR6(&pp->srcadr);
|
|
ips->v6_flag = 1;
|
|
if (pp->dstadr)
|
|
ips->dstadr6 = SOCK_ADDR6(&pp->dstadr->sin);
|
|
else
|
|
ZERO(ips->dstadr6);
|
|
} else {
|
|
ips->srcadr = NSRCADR(&pp->srcadr);
|
|
if (client_v6_capable)
|
|
ips->v6_flag = 0;
|
|
|
|
if (pp->dstadr) {
|
|
if (!pp->processed)
|
|
ips->dstadr = NSRCADR(&pp->dstadr->sin);
|
|
else {
|
|
if (MDF_BCAST == pp->cast_flags)
|
|
ips->dstadr = NSRCADR(&pp->dstadr->bcast);
|
|
else if (pp->cast_flags) {
|
|
ips->dstadr = NSRCADR(&pp->dstadr->sin);
|
|
if (!ips->dstadr)
|
|
ips->dstadr = NSRCADR(&pp->dstadr->bcast);
|
|
}
|
|
}
|
|
} else {
|
|
ips->dstadr = 0;
|
|
}
|
|
}
|
|
|
|
ips->srcport = NSRCPORT(&pp->srcadr);
|
|
ips->stratum = pp->stratum;
|
|
ips->hpoll = pp->hpoll;
|
|
ips->ppoll = pp->ppoll;
|
|
ips->reach = pp->reach;
|
|
ips->flags = 0;
|
|
if (pp == sys_peer)
|
|
ips->flags |= INFO_FLAG_SYSPEER;
|
|
if (pp->flags & FLAG_CONFIG)
|
|
ips->flags |= INFO_FLAG_CONFIG;
|
|
if (pp->flags & FLAG_REFCLOCK)
|
|
ips->flags |= INFO_FLAG_REFCLOCK;
|
|
if (pp->flags & FLAG_PREFER)
|
|
ips->flags |= INFO_FLAG_PREFER;
|
|
if (pp->flags & FLAG_BURST)
|
|
ips->flags |= INFO_FLAG_BURST;
|
|
if (pp->status == CTL_PST_SEL_SYNCCAND)
|
|
ips->flags |= INFO_FLAG_SEL_CANDIDATE;
|
|
if (pp->status >= CTL_PST_SEL_SYSPEER)
|
|
ips->flags |= INFO_FLAG_SHORTLIST;
|
|
ips->hmode = pp->hmode;
|
|
ips->delay = HTONS_FP(DTOFP(pp->delay));
|
|
DTOLFP(pp->offset, <mp);
|
|
HTONL_FP(<mp, &ips->offset);
|
|
ips->dispersion = HTONS_FP(DTOUFP(SQRT(pp->disp)));
|
|
|
|
ips = (struct info_peer_summary *)more_pkt();
|
|
} /* for pp */
|
|
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* peer_info - send information for one or more peers
|
|
*/
|
|
static void
|
|
peer_info (
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
u_short items;
|
|
size_t item_sz;
|
|
char * datap;
|
|
struct info_peer_list ipl;
|
|
struct peer * pp;
|
|
struct info_peer * ip;
|
|
int i;
|
|
int j;
|
|
sockaddr_u addr;
|
|
l_fp ltmp;
|
|
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize);
|
|
datap = inpkt->u.data;
|
|
if (item_sz != sizeof(ipl)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
ip = prepare_pkt(srcadr, inter, inpkt,
|
|
v6sizeof(struct info_peer));
|
|
while (items-- > 0 && ip != NULL) {
|
|
ZERO(ipl);
|
|
memcpy(&ipl, datap, item_sz);
|
|
ZERO_SOCK(&addr);
|
|
NSRCPORT(&addr) = ipl.port;
|
|
if (client_v6_capable && ipl.v6_flag) {
|
|
AF(&addr) = AF_INET6;
|
|
SOCK_ADDR6(&addr) = ipl.addr6;
|
|
} else {
|
|
AF(&addr) = AF_INET;
|
|
NSRCADR(&addr) = ipl.addr;
|
|
}
|
|
#ifdef ISC_PLATFORM_HAVESALEN
|
|
addr.sa.sa_len = SOCKLEN(&addr);
|
|
#endif
|
|
datap += item_sz;
|
|
|
|
pp = findexistingpeer(&addr, NULL, NULL, -1, 0, NULL);
|
|
if (NULL == pp)
|
|
continue;
|
|
if (IS_IPV6(srcadr)) {
|
|
if (pp->dstadr)
|
|
ip->dstadr6 =
|
|
(MDF_BCAST == pp->cast_flags)
|
|
? SOCK_ADDR6(&pp->dstadr->bcast)
|
|
: SOCK_ADDR6(&pp->dstadr->sin);
|
|
else
|
|
ZERO(ip->dstadr6);
|
|
|
|
ip->srcadr6 = SOCK_ADDR6(&pp->srcadr);
|
|
ip->v6_flag = 1;
|
|
} else {
|
|
if (pp->dstadr) {
|
|
if (!pp->processed)
|
|
ip->dstadr = NSRCADR(&pp->dstadr->sin);
|
|
else {
|
|
if (MDF_BCAST == pp->cast_flags)
|
|
ip->dstadr = NSRCADR(&pp->dstadr->bcast);
|
|
else if (pp->cast_flags) {
|
|
ip->dstadr = NSRCADR(&pp->dstadr->sin);
|
|
if (!ip->dstadr)
|
|
ip->dstadr = NSRCADR(&pp->dstadr->bcast);
|
|
}
|
|
}
|
|
} else
|
|
ip->dstadr = 0;
|
|
|
|
ip->srcadr = NSRCADR(&pp->srcadr);
|
|
if (client_v6_capable)
|
|
ip->v6_flag = 0;
|
|
}
|
|
ip->srcport = NSRCPORT(&pp->srcadr);
|
|
ip->flags = 0;
|
|
if (pp == sys_peer)
|
|
ip->flags |= INFO_FLAG_SYSPEER;
|
|
if (pp->flags & FLAG_CONFIG)
|
|
ip->flags |= INFO_FLAG_CONFIG;
|
|
if (pp->flags & FLAG_REFCLOCK)
|
|
ip->flags |= INFO_FLAG_REFCLOCK;
|
|
if (pp->flags & FLAG_PREFER)
|
|
ip->flags |= INFO_FLAG_PREFER;
|
|
if (pp->flags & FLAG_BURST)
|
|
ip->flags |= INFO_FLAG_BURST;
|
|
if (pp->status == CTL_PST_SEL_SYNCCAND)
|
|
ip->flags |= INFO_FLAG_SEL_CANDIDATE;
|
|
if (pp->status >= CTL_PST_SEL_SYSPEER)
|
|
ip->flags |= INFO_FLAG_SHORTLIST;
|
|
ip->leap = pp->leap;
|
|
ip->hmode = pp->hmode;
|
|
ip->pmode = pp->pmode;
|
|
ip->keyid = pp->keyid;
|
|
ip->stratum = pp->stratum;
|
|
ip->ppoll = pp->ppoll;
|
|
ip->hpoll = pp->hpoll;
|
|
ip->precision = pp->precision;
|
|
ip->version = pp->version;
|
|
ip->reach = pp->reach;
|
|
ip->unreach = (u_char)pp->unreach;
|
|
ip->flash = (u_char)pp->flash;
|
|
ip->flash2 = (u_short)pp->flash;
|
|
ip->estbdelay = HTONS_FP(DTOFP(pp->delay));
|
|
ip->ttl = (u_char)pp->ttl;
|
|
ip->associd = htons(pp->associd);
|
|
ip->rootdelay = HTONS_FP(DTOUFP(pp->rootdelay));
|
|
ip->rootdispersion = HTONS_FP(DTOUFP(pp->rootdisp));
|
|
ip->refid = pp->refid;
|
|
HTONL_FP(&pp->reftime, &ip->reftime);
|
|
HTONL_FP(&pp->aorg, &ip->org);
|
|
HTONL_FP(&pp->rec, &ip->rec);
|
|
HTONL_FP(&pp->xmt, &ip->xmt);
|
|
j = pp->filter_nextpt - 1;
|
|
for (i = 0; i < NTP_SHIFT; i++, j--) {
|
|
if (j < 0)
|
|
j = NTP_SHIFT-1;
|
|
ip->filtdelay[i] = HTONS_FP(DTOFP(pp->filter_delay[j]));
|
|
DTOLFP(pp->filter_offset[j], <mp);
|
|
HTONL_FP(<mp, &ip->filtoffset[i]);
|
|
ip->order[i] = (u_char)((pp->filter_nextpt +
|
|
NTP_SHIFT - 1) -
|
|
pp->filter_order[i]);
|
|
if (ip->order[i] >= NTP_SHIFT)
|
|
ip->order[i] -= NTP_SHIFT;
|
|
}
|
|
DTOLFP(pp->offset, <mp);
|
|
HTONL_FP(<mp, &ip->offset);
|
|
ip->delay = HTONS_FP(DTOFP(pp->delay));
|
|
ip->dispersion = HTONS_FP(DTOUFP(SQRT(pp->disp)));
|
|
ip->selectdisp = HTONS_FP(DTOUFP(SQRT(pp->jitter)));
|
|
ip = more_pkt();
|
|
}
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* peer_stats - send statistics for one or more peers
|
|
*/
|
|
static void
|
|
peer_stats (
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
u_short items;
|
|
size_t item_sz;
|
|
char * datap;
|
|
struct info_peer_list ipl;
|
|
struct peer * pp;
|
|
struct info_peer_stats *ip;
|
|
sockaddr_u addr;
|
|
|
|
DPRINTF(1, ("peer_stats: called\n"));
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize);
|
|
datap = inpkt->u.data;
|
|
if (item_sz > sizeof(ipl)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
ip = prepare_pkt(srcadr, inter, inpkt,
|
|
v6sizeof(struct info_peer_stats));
|
|
while (items-- > 0 && ip != NULL) {
|
|
ZERO(ipl);
|
|
memcpy(&ipl, datap, item_sz);
|
|
ZERO(addr);
|
|
NSRCPORT(&addr) = ipl.port;
|
|
if (client_v6_capable && ipl.v6_flag) {
|
|
AF(&addr) = AF_INET6;
|
|
SOCK_ADDR6(&addr) = ipl.addr6;
|
|
} else {
|
|
AF(&addr) = AF_INET;
|
|
NSRCADR(&addr) = ipl.addr;
|
|
}
|
|
#ifdef ISC_PLATFORM_HAVESALEN
|
|
addr.sa.sa_len = SOCKLEN(&addr);
|
|
#endif
|
|
DPRINTF(1, ("peer_stats: looking for %s, %d, %d\n",
|
|
stoa(&addr), ipl.port, NSRCPORT(&addr)));
|
|
|
|
datap += item_sz;
|
|
|
|
pp = findexistingpeer(&addr, NULL, NULL, -1, 0, NULL);
|
|
if (NULL == pp)
|
|
continue;
|
|
|
|
DPRINTF(1, ("peer_stats: found %s\n", stoa(&addr)));
|
|
|
|
if (IS_IPV4(&pp->srcadr)) {
|
|
if (pp->dstadr) {
|
|
if (!pp->processed)
|
|
ip->dstadr = NSRCADR(&pp->dstadr->sin);
|
|
else {
|
|
if (MDF_BCAST == pp->cast_flags)
|
|
ip->dstadr = NSRCADR(&pp->dstadr->bcast);
|
|
else if (pp->cast_flags) {
|
|
ip->dstadr = NSRCADR(&pp->dstadr->sin);
|
|
if (!ip->dstadr)
|
|
ip->dstadr = NSRCADR(&pp->dstadr->bcast);
|
|
}
|
|
}
|
|
} else
|
|
ip->dstadr = 0;
|
|
|
|
ip->srcadr = NSRCADR(&pp->srcadr);
|
|
if (client_v6_capable)
|
|
ip->v6_flag = 0;
|
|
} else {
|
|
if (pp->dstadr)
|
|
ip->dstadr6 =
|
|
(MDF_BCAST == pp->cast_flags)
|
|
? SOCK_ADDR6(&pp->dstadr->bcast)
|
|
: SOCK_ADDR6(&pp->dstadr->sin);
|
|
else
|
|
ZERO(ip->dstadr6);
|
|
|
|
ip->srcadr6 = SOCK_ADDR6(&pp->srcadr);
|
|
ip->v6_flag = 1;
|
|
}
|
|
ip->srcport = NSRCPORT(&pp->srcadr);
|
|
ip->flags = 0;
|
|
if (pp == sys_peer)
|
|
ip->flags |= INFO_FLAG_SYSPEER;
|
|
if (pp->flags & FLAG_CONFIG)
|
|
ip->flags |= INFO_FLAG_CONFIG;
|
|
if (pp->flags & FLAG_REFCLOCK)
|
|
ip->flags |= INFO_FLAG_REFCLOCK;
|
|
if (pp->flags & FLAG_PREFER)
|
|
ip->flags |= INFO_FLAG_PREFER;
|
|
if (pp->flags & FLAG_BURST)
|
|
ip->flags |= INFO_FLAG_BURST;
|
|
if (pp->flags & FLAG_IBURST)
|
|
ip->flags |= INFO_FLAG_IBURST;
|
|
if (pp->status == CTL_PST_SEL_SYNCCAND)
|
|
ip->flags |= INFO_FLAG_SEL_CANDIDATE;
|
|
if (pp->status >= CTL_PST_SEL_SYSPEER)
|
|
ip->flags |= INFO_FLAG_SHORTLIST;
|
|
ip->flags = htons(ip->flags);
|
|
ip->timereceived = htonl((u_int32)(current_time - pp->timereceived));
|
|
ip->timetosend = htonl(pp->nextdate - current_time);
|
|
ip->timereachable = htonl((u_int32)(current_time - pp->timereachable));
|
|
ip->sent = htonl((u_int32)(pp->sent));
|
|
ip->processed = htonl((u_int32)(pp->processed));
|
|
ip->badauth = htonl((u_int32)(pp->badauth));
|
|
ip->bogusorg = htonl((u_int32)(pp->bogusorg));
|
|
ip->oldpkt = htonl((u_int32)(pp->oldpkt));
|
|
ip->seldisp = htonl((u_int32)(pp->seldisptoolarge));
|
|
ip->selbroken = htonl((u_int32)(pp->selbroken));
|
|
ip->candidate = pp->status;
|
|
ip = (struct info_peer_stats *)more_pkt();
|
|
}
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* sys_info - return system info
|
|
*/
|
|
static void
|
|
sys_info(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
register struct info_sys *is;
|
|
|
|
is = (struct info_sys *)prepare_pkt(srcadr, inter, inpkt,
|
|
v6sizeof(struct info_sys));
|
|
|
|
if (sys_peer) {
|
|
if (IS_IPV4(&sys_peer->srcadr)) {
|
|
is->peer = NSRCADR(&sys_peer->srcadr);
|
|
if (client_v6_capable)
|
|
is->v6_flag = 0;
|
|
} else if (client_v6_capable) {
|
|
is->peer6 = SOCK_ADDR6(&sys_peer->srcadr);
|
|
is->v6_flag = 1;
|
|
}
|
|
is->peer_mode = sys_peer->hmode;
|
|
} else {
|
|
is->peer = 0;
|
|
if (client_v6_capable) {
|
|
is->v6_flag = 0;
|
|
}
|
|
is->peer_mode = 0;
|
|
}
|
|
|
|
is->leap = sys_leap;
|
|
is->stratum = sys_stratum;
|
|
is->precision = sys_precision;
|
|
is->rootdelay = htonl(DTOFP(sys_rootdelay));
|
|
is->rootdispersion = htonl(DTOUFP(sys_rootdisp));
|
|
is->frequency = htonl(DTOFP(sys_jitter));
|
|
is->stability = htonl(DTOUFP(clock_stability * 1e6));
|
|
is->refid = sys_refid;
|
|
HTONL_FP(&sys_reftime, &is->reftime);
|
|
|
|
is->poll = sys_poll;
|
|
|
|
is->flags = 0;
|
|
if (sys_authenticate)
|
|
is->flags |= INFO_FLAG_AUTHENTICATE;
|
|
if (sys_bclient)
|
|
is->flags |= INFO_FLAG_BCLIENT;
|
|
#ifdef REFCLOCK
|
|
if (cal_enable)
|
|
is->flags |= INFO_FLAG_CAL;
|
|
#endif /* REFCLOCK */
|
|
if (kern_enable)
|
|
is->flags |= INFO_FLAG_KERNEL;
|
|
if (mon_enabled != MON_OFF)
|
|
is->flags |= INFO_FLAG_MONITOR;
|
|
if (ntp_enable)
|
|
is->flags |= INFO_FLAG_NTP;
|
|
if (hardpps_enable)
|
|
is->flags |= INFO_FLAG_PPS_SYNC;
|
|
if (stats_control)
|
|
is->flags |= INFO_FLAG_FILEGEN;
|
|
is->bdelay = HTONS_FP(DTOFP(sys_bdelay));
|
|
HTONL_UF(sys_authdelay.l_uf, &is->authdelay);
|
|
(void) more_pkt();
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* sys_stats - return system statistics
|
|
*/
|
|
static void
|
|
sys_stats(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
register struct info_sys_stats *ss;
|
|
|
|
ss = (struct info_sys_stats *)prepare_pkt(srcadr, inter, inpkt,
|
|
sizeof(struct info_sys_stats));
|
|
ss->timeup = htonl((u_int32)current_time);
|
|
ss->timereset = htonl((u_int32)(current_time - sys_stattime));
|
|
ss->denied = htonl((u_int32)sys_restricted);
|
|
ss->oldversionpkt = htonl((u_int32)sys_oldversion);
|
|
ss->newversionpkt = htonl((u_int32)sys_newversion);
|
|
ss->unknownversion = htonl((u_int32)sys_declined);
|
|
ss->badlength = htonl((u_int32)sys_badlength);
|
|
ss->processed = htonl((u_int32)sys_processed);
|
|
ss->badauth = htonl((u_int32)sys_badauth);
|
|
ss->limitrejected = htonl((u_int32)sys_limitrejected);
|
|
ss->received = htonl((u_int32)sys_received);
|
|
ss->lamport = htonl((u_int32)sys_lamport);
|
|
ss->tsrounding = htonl((u_int32)sys_tsrounding);
|
|
(void) more_pkt();
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* mem_stats - return memory statistics
|
|
*/
|
|
static void
|
|
mem_stats(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
register struct info_mem_stats *ms;
|
|
register int i;
|
|
|
|
ms = (struct info_mem_stats *)prepare_pkt(srcadr, inter, inpkt,
|
|
sizeof(struct info_mem_stats));
|
|
|
|
ms->timereset = htonl((u_int32)(current_time - peer_timereset));
|
|
ms->totalpeermem = htons((u_short)total_peer_structs);
|
|
ms->freepeermem = htons((u_short)peer_free_count);
|
|
ms->findpeer_calls = htonl((u_int32)findpeer_calls);
|
|
ms->allocations = htonl((u_int32)peer_allocations);
|
|
ms->demobilizations = htonl((u_int32)peer_demobilizations);
|
|
|
|
for (i = 0; i < NTP_HASH_SIZE; i++)
|
|
ms->hashcount[i] = (u_char)
|
|
max((u_int)peer_hash_count[i], UCHAR_MAX);
|
|
|
|
(void) more_pkt();
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* io_stats - return io statistics
|
|
*/
|
|
static void
|
|
io_stats(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
struct info_io_stats *io;
|
|
|
|
io = (struct info_io_stats *)prepare_pkt(srcadr, inter, inpkt,
|
|
sizeof(struct info_io_stats));
|
|
|
|
io->timereset = htonl((u_int32)(current_time - io_timereset));
|
|
io->totalrecvbufs = htons((u_short) total_recvbuffs());
|
|
io->freerecvbufs = htons((u_short) free_recvbuffs());
|
|
io->fullrecvbufs = htons((u_short) full_recvbuffs());
|
|
io->lowwater = htons((u_short) lowater_additions());
|
|
io->dropped = htonl((u_int32)packets_dropped);
|
|
io->ignored = htonl((u_int32)packets_ignored);
|
|
io->received = htonl((u_int32)packets_received);
|
|
io->sent = htonl((u_int32)packets_sent);
|
|
io->notsent = htonl((u_int32)packets_notsent);
|
|
io->interrupts = htonl((u_int32)handler_calls);
|
|
io->int_received = htonl((u_int32)handler_pkts);
|
|
|
|
(void) more_pkt();
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* timer_stats - return timer statistics
|
|
*/
|
|
static void
|
|
timer_stats(
|
|
sockaddr_u * srcadr,
|
|
endpt * inter,
|
|
struct req_pkt * inpkt
|
|
)
|
|
{
|
|
struct info_timer_stats * ts;
|
|
u_long sincereset;
|
|
|
|
ts = (struct info_timer_stats *)prepare_pkt(srcadr, inter,
|
|
inpkt, sizeof(*ts));
|
|
|
|
sincereset = current_time - timer_timereset;
|
|
ts->timereset = htonl((u_int32)sincereset);
|
|
ts->alarms = ts->timereset;
|
|
ts->overflows = htonl((u_int32)alarm_overflow);
|
|
ts->xmtcalls = htonl((u_int32)timer_xmtcalls);
|
|
|
|
(void) more_pkt();
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* loop_info - return the current state of the loop filter
|
|
*/
|
|
static void
|
|
loop_info(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
struct info_loop *li;
|
|
l_fp ltmp;
|
|
|
|
li = (struct info_loop *)prepare_pkt(srcadr, inter, inpkt,
|
|
sizeof(struct info_loop));
|
|
|
|
DTOLFP(last_offset, <mp);
|
|
HTONL_FP(<mp, &li->last_offset);
|
|
DTOLFP(drift_comp * 1e6, <mp);
|
|
HTONL_FP(<mp, &li->drift_comp);
|
|
li->compliance = htonl((u_int32)(tc_counter));
|
|
li->watchdog_timer = htonl((u_int32)(current_time - sys_epoch));
|
|
|
|
(void) more_pkt();
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* do_conf - add a peer to the configuration list
|
|
*/
|
|
static void
|
|
do_conf(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
u_short items;
|
|
size_t item_sz;
|
|
u_int fl;
|
|
char * datap;
|
|
struct conf_peer temp_cp;
|
|
sockaddr_u peeraddr;
|
|
|
|
/*
|
|
* Do a check of everything to see that it looks
|
|
* okay. If not, complain about it. Note we are
|
|
* very picky here.
|
|
*/
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize);
|
|
datap = inpkt->u.data;
|
|
if (item_sz > sizeof(temp_cp)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
while (items-- > 0) {
|
|
ZERO(temp_cp);
|
|
memcpy(&temp_cp, datap, item_sz);
|
|
ZERO_SOCK(&peeraddr);
|
|
|
|
fl = 0;
|
|
if (temp_cp.flags & CONF_FLAG_PREFER)
|
|
fl |= FLAG_PREFER;
|
|
if (temp_cp.flags & CONF_FLAG_BURST)
|
|
fl |= FLAG_BURST;
|
|
if (temp_cp.flags & CONF_FLAG_IBURST)
|
|
fl |= FLAG_IBURST;
|
|
#ifdef AUTOKEY
|
|
if (temp_cp.flags & CONF_FLAG_SKEY)
|
|
fl |= FLAG_SKEY;
|
|
#endif /* AUTOKEY */
|
|
if (client_v6_capable && temp_cp.v6_flag) {
|
|
AF(&peeraddr) = AF_INET6;
|
|
SOCK_ADDR6(&peeraddr) = temp_cp.peeraddr6;
|
|
} else {
|
|
AF(&peeraddr) = AF_INET;
|
|
NSRCADR(&peeraddr) = temp_cp.peeraddr;
|
|
/*
|
|
* Make sure the address is valid
|
|
*/
|
|
if (!ISREFCLOCKADR(&peeraddr) &&
|
|
ISBADADR(&peeraddr)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
}
|
|
NSRCPORT(&peeraddr) = htons(NTP_PORT);
|
|
#ifdef ISC_PLATFORM_HAVESALEN
|
|
peeraddr.sa.sa_len = SOCKLEN(&peeraddr);
|
|
#endif
|
|
|
|
/* check mode value: 0 <= hmode <= 6
|
|
*
|
|
* There's no good global define for that limit, and
|
|
* using a magic define is as good (or bad, actually) as
|
|
* a magic number. So we use the highest possible peer
|
|
* mode, and that is MODE_BCLIENT.
|
|
*
|
|
* [Bug 3009] claims that a problem occurs for hmode > 7,
|
|
* but the code in ntp_peer.c indicates trouble for any
|
|
* hmode > 6 ( --> MODE_BCLIENT).
|
|
*/
|
|
if (temp_cp.hmode > MODE_BCLIENT) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
/* Any more checks on the values? Unchecked at this
|
|
* point:
|
|
* - version
|
|
* - ttl
|
|
* - keyid
|
|
*
|
|
* - minpoll/maxpoll, but they are treated properly
|
|
* for all cases internally. Checking not necessary.
|
|
*
|
|
* Note that we ignore any previously-specified ippeerlimit.
|
|
* If we're told to create the peer, we create the peer.
|
|
*/
|
|
|
|
/* finally create the peer */
|
|
if (peer_config(&peeraddr, NULL, NULL, -1,
|
|
temp_cp.hmode, temp_cp.version, temp_cp.minpoll,
|
|
temp_cp.maxpoll, fl, temp_cp.ttl, temp_cp.keyid,
|
|
NULL) == 0)
|
|
{
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
|
|
datap += item_sz;
|
|
}
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
|
|
|
|
/*
|
|
* do_unconf - remove a peer from the configuration list
|
|
*/
|
|
static void
|
|
do_unconf(
|
|
sockaddr_u * srcadr,
|
|
endpt * inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
u_short items;
|
|
size_t item_sz;
|
|
char * datap;
|
|
struct conf_unpeer temp_cp;
|
|
struct peer * p;
|
|
sockaddr_u peeraddr;
|
|
int loops;
|
|
|
|
/*
|
|
* This is a bit unstructured, but I like to be careful.
|
|
* We check to see that every peer exists and is actually
|
|
* configured. If so, we remove them. If not, we return
|
|
* an error.
|
|
*
|
|
* [Bug 3011] Even if we checked all peers given in the request
|
|
* in a dry run, there's still a chance that the caller played
|
|
* unfair and gave the same peer multiple times. So we still
|
|
* have to be prepared for nasty surprises in the second run ;)
|
|
*/
|
|
|
|
/* basic consistency checks */
|
|
item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize);
|
|
if (item_sz > sizeof(temp_cp)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
/* now do two runs: first a dry run, then a busy one */
|
|
for (loops = 0; loops != 2; ++loops) {
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
datap = inpkt->u.data;
|
|
while (items-- > 0) {
|
|
/* copy from request to local */
|
|
ZERO(temp_cp);
|
|
memcpy(&temp_cp, datap, item_sz);
|
|
/* get address structure */
|
|
ZERO_SOCK(&peeraddr);
|
|
if (client_v6_capable && temp_cp.v6_flag) {
|
|
AF(&peeraddr) = AF_INET6;
|
|
SOCK_ADDR6(&peeraddr) = temp_cp.peeraddr6;
|
|
} else {
|
|
AF(&peeraddr) = AF_INET;
|
|
NSRCADR(&peeraddr) = temp_cp.peeraddr;
|
|
}
|
|
SET_PORT(&peeraddr, NTP_PORT);
|
|
#ifdef ISC_PLATFORM_HAVESALEN
|
|
peeraddr.sa.sa_len = SOCKLEN(&peeraddr);
|
|
#endif
|
|
DPRINTF(1, ("searching for %s\n",
|
|
stoa(&peeraddr)));
|
|
|
|
/* search for matching configred(!) peer */
|
|
p = NULL;
|
|
do {
|
|
p = findexistingpeer(
|
|
&peeraddr, NULL, p, -1, 0, NULL);
|
|
} while (p && !(FLAG_CONFIG & p->flags));
|
|
|
|
if (!loops && !p) {
|
|
/* Item not found in dry run -- bail! */
|
|
req_ack(srcadr, inter, inpkt,
|
|
INFO_ERR_NODATA);
|
|
return;
|
|
} else if (loops && p) {
|
|
/* Item found in busy run -- remove! */
|
|
peer_clear(p, "GONE");
|
|
unpeer(p);
|
|
}
|
|
datap += item_sz;
|
|
}
|
|
}
|
|
|
|
/* report success */
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
|
|
|
|
/*
|
|
* set_sys_flag - set system flags
|
|
*/
|
|
static void
|
|
set_sys_flag(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
setclr_flags(srcadr, inter, inpkt, 1);
|
|
}
|
|
|
|
|
|
/*
|
|
* clr_sys_flag - clear system flags
|
|
*/
|
|
static void
|
|
clr_sys_flag(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
setclr_flags(srcadr, inter, inpkt, 0);
|
|
}
|
|
|
|
|
|
/*
|
|
* setclr_flags - do the grunge work of flag setting/clearing
|
|
*/
|
|
static void
|
|
setclr_flags(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt,
|
|
u_long set
|
|
)
|
|
{
|
|
struct conf_sys_flags *sf;
|
|
u_int32 flags;
|
|
|
|
if (INFO_NITEMS(inpkt->err_nitems) > 1) {
|
|
msyslog(LOG_ERR, "setclr_flags: err_nitems > 1");
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
sf = (struct conf_sys_flags *)&inpkt->u;
|
|
flags = ntohl(sf->flags);
|
|
|
|
if (flags & ~(SYS_FLAG_BCLIENT | SYS_FLAG_PPS |
|
|
SYS_FLAG_NTP | SYS_FLAG_KERNEL | SYS_FLAG_MONITOR |
|
|
SYS_FLAG_FILEGEN | SYS_FLAG_AUTH | SYS_FLAG_CAL)) {
|
|
msyslog(LOG_ERR, "setclr_flags: extra flags: %#x",
|
|
flags & ~(SYS_FLAG_BCLIENT | SYS_FLAG_PPS |
|
|
SYS_FLAG_NTP | SYS_FLAG_KERNEL |
|
|
SYS_FLAG_MONITOR | SYS_FLAG_FILEGEN |
|
|
SYS_FLAG_AUTH | SYS_FLAG_CAL));
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
if (flags & SYS_FLAG_BCLIENT)
|
|
proto_config(PROTO_BROADCLIENT, set, 0., NULL);
|
|
if (flags & SYS_FLAG_PPS)
|
|
proto_config(PROTO_PPS, set, 0., NULL);
|
|
if (flags & SYS_FLAG_NTP)
|
|
proto_config(PROTO_NTP, set, 0., NULL);
|
|
if (flags & SYS_FLAG_KERNEL)
|
|
proto_config(PROTO_KERNEL, set, 0., NULL);
|
|
if (flags & SYS_FLAG_MONITOR)
|
|
proto_config(PROTO_MONITOR, set, 0., NULL);
|
|
if (flags & SYS_FLAG_FILEGEN)
|
|
proto_config(PROTO_FILEGEN, set, 0., NULL);
|
|
if (flags & SYS_FLAG_AUTH)
|
|
proto_config(PROTO_AUTHENTICATE, set, 0., NULL);
|
|
if (flags & SYS_FLAG_CAL)
|
|
proto_config(PROTO_CAL, set, 0., NULL);
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
|
|
/* There have been some issues with the restrict list processing,
|
|
* ranging from problems with deep recursion (resulting in stack
|
|
* overflows) and overfull reply buffers.
|
|
*
|
|
* To avoid this trouble the list reversal is done iteratively using a
|
|
* scratch pad.
|
|
*/
|
|
typedef struct RestrictStack RestrictStackT;
|
|
struct RestrictStack {
|
|
RestrictStackT *link;
|
|
size_t fcnt;
|
|
const restrict_u *pres[63];
|
|
};
|
|
|
|
static size_t
|
|
getStackSheetSize(
|
|
RestrictStackT *sp
|
|
)
|
|
{
|
|
if (sp)
|
|
return sizeof(sp->pres)/sizeof(sp->pres[0]);
|
|
return 0u;
|
|
}
|
|
|
|
static int/*BOOL*/
|
|
pushRestriction(
|
|
RestrictStackT **spp,
|
|
const restrict_u *ptr
|
|
)
|
|
{
|
|
RestrictStackT *sp;
|
|
|
|
if (NULL == (sp = *spp) || 0 == sp->fcnt) {
|
|
/* need another sheet in the scratch pad */
|
|
sp = emalloc(sizeof(*sp));
|
|
sp->link = *spp;
|
|
sp->fcnt = getStackSheetSize(sp);
|
|
*spp = sp;
|
|
}
|
|
sp->pres[--sp->fcnt] = ptr;
|
|
return TRUE;
|
|
}
|
|
|
|
static int/*BOOL*/
|
|
popRestriction(
|
|
RestrictStackT **spp,
|
|
const restrict_u **opp
|
|
)
|
|
{
|
|
RestrictStackT *sp;
|
|
|
|
if (NULL == (sp = *spp) || sp->fcnt >= getStackSheetSize(sp))
|
|
return FALSE;
|
|
|
|
*opp = sp->pres[sp->fcnt++];
|
|
if (sp->fcnt >= getStackSheetSize(sp)) {
|
|
/* discard sheet from scratch pad */
|
|
*spp = sp->link;
|
|
free(sp);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
flushRestrictionStack(
|
|
RestrictStackT **spp
|
|
)
|
|
{
|
|
RestrictStackT *sp;
|
|
|
|
while (NULL != (sp = *spp)) {
|
|
*spp = sp->link;
|
|
free(sp);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* list_restrict4 - iterative helper for list_restrict dumps IPv4
|
|
* restriction list in reverse order.
|
|
*/
|
|
static void
|
|
list_restrict4(
|
|
const restrict_u * res,
|
|
struct info_restrict ** ppir
|
|
)
|
|
{
|
|
RestrictStackT * rpad;
|
|
struct info_restrict * pir;
|
|
|
|
pir = *ppir;
|
|
for (rpad = NULL; res; res = res->link)
|
|
if (!pushRestriction(&rpad, res))
|
|
break;
|
|
|
|
while (pir && popRestriction(&rpad, &res)) {
|
|
pir->addr = htonl(res->u.v4.addr);
|
|
if (client_v6_capable)
|
|
pir->v6_flag = 0;
|
|
pir->mask = htonl(res->u.v4.mask);
|
|
pir->count = htonl(res->count);
|
|
pir->rflags = htons(res->rflags);
|
|
pir->mflags = htons(res->mflags);
|
|
pir = (struct info_restrict *)more_pkt();
|
|
}
|
|
flushRestrictionStack(&rpad);
|
|
*ppir = pir;
|
|
}
|
|
|
|
/*
|
|
* list_restrict6 - iterative helper for list_restrict dumps IPv6
|
|
* restriction list in reverse order.
|
|
*/
|
|
static void
|
|
list_restrict6(
|
|
const restrict_u * res,
|
|
struct info_restrict ** ppir
|
|
)
|
|
{
|
|
RestrictStackT * rpad;
|
|
struct info_restrict * pir;
|
|
|
|
pir = *ppir;
|
|
for (rpad = NULL; res; res = res->link)
|
|
if (!pushRestriction(&rpad, res))
|
|
break;
|
|
|
|
while (pir && popRestriction(&rpad, &res)) {
|
|
pir->addr6 = res->u.v6.addr;
|
|
pir->mask6 = res->u.v6.mask;
|
|
pir->v6_flag = 1;
|
|
pir->count = htonl(res->count);
|
|
pir->rflags = htons(res->rflags);
|
|
pir->mflags = htons(res->mflags);
|
|
pir = (struct info_restrict *)more_pkt();
|
|
}
|
|
flushRestrictionStack(&rpad);
|
|
*ppir = pir;
|
|
}
|
|
|
|
|
|
/*
|
|
* list_restrict - return the restrict list
|
|
*/
|
|
static void
|
|
list_restrict(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
struct info_restrict *ir;
|
|
|
|
DPRINTF(3, ("wants restrict list summary\n"));
|
|
|
|
ir = (struct info_restrict *)prepare_pkt(srcadr, inter, inpkt,
|
|
v6sizeof(struct info_restrict));
|
|
|
|
/*
|
|
* The restriction lists are kept sorted in the reverse order
|
|
* than they were originally. To preserve the output semantics,
|
|
* dump each list in reverse order. The workers take care of that.
|
|
*/
|
|
list_restrict4(restrictlist4, &ir);
|
|
if (client_v6_capable)
|
|
list_restrict6(restrictlist6, &ir);
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* do_resaddflags - add flags to a restrict entry (or create one)
|
|
*/
|
|
static void
|
|
do_resaddflags(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
do_restrict(srcadr, inter, inpkt, RESTRICT_FLAGS);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* do_ressubflags - remove flags from a restrict entry
|
|
*/
|
|
static void
|
|
do_ressubflags(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
do_restrict(srcadr, inter, inpkt, RESTRICT_UNFLAG);
|
|
}
|
|
|
|
|
|
/*
|
|
* do_unrestrict - remove a restrict entry from the list
|
|
*/
|
|
static void
|
|
do_unrestrict(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
do_restrict(srcadr, inter, inpkt, RESTRICT_REMOVE);
|
|
}
|
|
|
|
|
|
/*
|
|
* do_restrict - do the dirty stuff of dealing with restrictions
|
|
*/
|
|
static void
|
|
do_restrict(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt,
|
|
restrict_op op
|
|
)
|
|
{
|
|
char * datap;
|
|
struct conf_restrict cr;
|
|
u_short items;
|
|
size_t item_sz;
|
|
sockaddr_u matchaddr;
|
|
sockaddr_u matchmask;
|
|
int bad;
|
|
|
|
switch(op) {
|
|
case RESTRICT_FLAGS:
|
|
case RESTRICT_UNFLAG:
|
|
case RESTRICT_REMOVE:
|
|
case RESTRICT_REMOVEIF:
|
|
break;
|
|
|
|
default:
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Do a check of the flags to make sure that only
|
|
* the NTPPORT flag is set, if any. If not, complain
|
|
* about it. Note we are very picky here.
|
|
*/
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize);
|
|
datap = inpkt->u.data;
|
|
if (item_sz > sizeof(cr)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
bad = 0;
|
|
while (items-- > 0 && !bad) {
|
|
memcpy(&cr, datap, item_sz);
|
|
cr.flags = ntohs(cr.flags);
|
|
cr.mflags = ntohs(cr.mflags);
|
|
if (~RESM_NTPONLY & cr.mflags)
|
|
bad |= 1;
|
|
if (~RES_ALLFLAGS & cr.flags)
|
|
bad |= 2;
|
|
if (INADDR_ANY != cr.mask) {
|
|
if (client_v6_capable && cr.v6_flag) {
|
|
if (IN6_IS_ADDR_UNSPECIFIED(&cr.addr6))
|
|
bad |= 4;
|
|
} else {
|
|
if (INADDR_ANY == cr.addr)
|
|
bad |= 8;
|
|
}
|
|
}
|
|
datap += item_sz;
|
|
}
|
|
|
|
if (bad) {
|
|
msyslog(LOG_ERR, "do_restrict: bad = %#x", bad);
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Looks okay, try it out. Needs to reload data pointer and
|
|
* item counter. (Talos-CAN-0052)
|
|
*/
|
|
ZERO_SOCK(&matchaddr);
|
|
ZERO_SOCK(&matchmask);
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
datap = inpkt->u.data;
|
|
|
|
while (items-- > 0) {
|
|
memcpy(&cr, datap, item_sz);
|
|
cr.flags = ntohs(cr.flags);
|
|
cr.mflags = ntohs(cr.mflags);
|
|
cr.ippeerlimit = ntohs(cr.ippeerlimit);
|
|
if (client_v6_capable && cr.v6_flag) {
|
|
AF(&matchaddr) = AF_INET6;
|
|
AF(&matchmask) = AF_INET6;
|
|
SOCK_ADDR6(&matchaddr) = cr.addr6;
|
|
SOCK_ADDR6(&matchmask) = cr.mask6;
|
|
} else {
|
|
AF(&matchaddr) = AF_INET;
|
|
AF(&matchmask) = AF_INET;
|
|
NSRCADR(&matchaddr) = cr.addr;
|
|
NSRCADR(&matchmask) = cr.mask;
|
|
}
|
|
hack_restrict(op, &matchaddr, &matchmask, cr.mflags,
|
|
cr.ippeerlimit, cr.flags, 0);
|
|
datap += item_sz;
|
|
}
|
|
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
|
|
|
|
/*
|
|
* mon_getlist - return monitor data
|
|
*/
|
|
static void
|
|
mon_getlist(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
}
|
|
|
|
|
|
/*
|
|
* Module entry points and the flags they correspond with
|
|
*/
|
|
struct reset_entry {
|
|
int flag; /* flag this corresponds to */
|
|
void (*handler)(void); /* routine to handle request */
|
|
};
|
|
|
|
struct reset_entry reset_entries[] = {
|
|
{ RESET_FLAG_ALLPEERS, peer_all_reset },
|
|
{ RESET_FLAG_IO, io_clr_stats },
|
|
{ RESET_FLAG_SYS, proto_clr_stats },
|
|
{ RESET_FLAG_MEM, peer_clr_stats },
|
|
{ RESET_FLAG_TIMER, timer_clr_stats },
|
|
{ RESET_FLAG_AUTH, reset_auth_stats },
|
|
{ RESET_FLAG_CTL, ctl_clr_stats },
|
|
{ 0, 0 }
|
|
};
|
|
|
|
/*
|
|
* reset_stats - reset statistic counters here and there
|
|
*/
|
|
static void
|
|
reset_stats(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
struct reset_flags *rflags;
|
|
u_long flags;
|
|
struct reset_entry *rent;
|
|
|
|
if (INFO_NITEMS(inpkt->err_nitems) > 1) {
|
|
msyslog(LOG_ERR, "reset_stats: err_nitems > 1");
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
rflags = (struct reset_flags *)&inpkt->u;
|
|
flags = ntohl(rflags->flags);
|
|
|
|
if (flags & ~RESET_ALLFLAGS) {
|
|
msyslog(LOG_ERR, "reset_stats: reset leaves %#lx",
|
|
flags & ~RESET_ALLFLAGS);
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
for (rent = reset_entries; rent->flag != 0; rent++) {
|
|
if (flags & rent->flag)
|
|
(*rent->handler)();
|
|
}
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
|
|
|
|
/*
|
|
* reset_peer - clear a peer's statistics
|
|
*/
|
|
static void
|
|
reset_peer(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
u_short items;
|
|
size_t item_sz;
|
|
char * datap;
|
|
struct conf_unpeer cp;
|
|
struct peer * p;
|
|
sockaddr_u peeraddr;
|
|
int bad;
|
|
|
|
/*
|
|
* We check first to see that every peer exists. If not,
|
|
* we return an error.
|
|
*/
|
|
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize);
|
|
datap = inpkt->u.data;
|
|
if (item_sz > sizeof(cp)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
bad = FALSE;
|
|
while (items-- > 0 && !bad) {
|
|
ZERO(cp);
|
|
memcpy(&cp, datap, item_sz);
|
|
ZERO_SOCK(&peeraddr);
|
|
if (client_v6_capable && cp.v6_flag) {
|
|
AF(&peeraddr) = AF_INET6;
|
|
SOCK_ADDR6(&peeraddr) = cp.peeraddr6;
|
|
} else {
|
|
AF(&peeraddr) = AF_INET;
|
|
NSRCADR(&peeraddr) = cp.peeraddr;
|
|
}
|
|
|
|
#ifdef ISC_PLATFORM_HAVESALEN
|
|
peeraddr.sa.sa_len = SOCKLEN(&peeraddr);
|
|
#endif
|
|
p = findexistingpeer(&peeraddr, NULL, NULL, -1, 0, NULL);
|
|
if (NULL == p)
|
|
bad++;
|
|
datap += item_sz;
|
|
}
|
|
|
|
if (bad) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Now do it in earnest. Needs to reload data pointer and item
|
|
* counter. (Talos-CAN-0052)
|
|
*/
|
|
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
datap = inpkt->u.data;
|
|
while (items-- > 0) {
|
|
ZERO(cp);
|
|
memcpy(&cp, datap, item_sz);
|
|
ZERO_SOCK(&peeraddr);
|
|
if (client_v6_capable && cp.v6_flag) {
|
|
AF(&peeraddr) = AF_INET6;
|
|
SOCK_ADDR6(&peeraddr) = cp.peeraddr6;
|
|
} else {
|
|
AF(&peeraddr) = AF_INET;
|
|
NSRCADR(&peeraddr) = cp.peeraddr;
|
|
}
|
|
SET_PORT(&peeraddr, 123);
|
|
#ifdef ISC_PLATFORM_HAVESALEN
|
|
peeraddr.sa.sa_len = SOCKLEN(&peeraddr);
|
|
#endif
|
|
p = findexistingpeer(&peeraddr, NULL, NULL, -1, 0, NULL);
|
|
while (p != NULL) {
|
|
peer_reset(p);
|
|
p = findexistingpeer(&peeraddr, NULL, p, -1, 0, NULL);
|
|
}
|
|
datap += item_sz;
|
|
}
|
|
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
|
|
|
|
/*
|
|
* do_key_reread - reread the encryption key file
|
|
*/
|
|
static void
|
|
do_key_reread(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
rereadkeys();
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
|
|
|
|
/*
|
|
* trust_key - make one or more keys trusted
|
|
*/
|
|
static void
|
|
trust_key(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
do_trustkey(srcadr, inter, inpkt, 1);
|
|
}
|
|
|
|
|
|
/*
|
|
* untrust_key - make one or more keys untrusted
|
|
*/
|
|
static void
|
|
untrust_key(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
do_trustkey(srcadr, inter, inpkt, 0);
|
|
}
|
|
|
|
|
|
/*
|
|
* do_trustkey - make keys either trustable or untrustable
|
|
*/
|
|
static void
|
|
do_trustkey(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt,
|
|
u_long trust
|
|
)
|
|
{
|
|
register uint32_t *kp;
|
|
register int items;
|
|
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
kp = (uint32_t *)&inpkt->u;
|
|
while (items-- > 0) {
|
|
authtrust(*kp, trust);
|
|
kp++;
|
|
}
|
|
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
|
|
|
|
/*
|
|
* get_auth_info - return some stats concerning the authentication module
|
|
*/
|
|
static void
|
|
get_auth_info(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
register struct info_auth *ia;
|
|
|
|
ia = (struct info_auth *)prepare_pkt(srcadr, inter, inpkt,
|
|
sizeof(struct info_auth));
|
|
|
|
ia->numkeys = htonl((u_int32)authnumkeys);
|
|
ia->numfreekeys = htonl((u_int32)authnumfreekeys);
|
|
ia->keylookups = htonl((u_int32)authkeylookups);
|
|
ia->keynotfound = htonl((u_int32)authkeynotfound);
|
|
ia->encryptions = htonl((u_int32)authencryptions);
|
|
ia->decryptions = htonl((u_int32)authdecryptions);
|
|
ia->keyuncached = htonl((u_int32)authkeyuncached);
|
|
ia->expired = htonl((u_int32)authkeyexpired);
|
|
ia->timereset = htonl((u_int32)(current_time - auth_timereset));
|
|
|
|
(void) more_pkt();
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* reset_auth_stats - reset the authentication stat counters. Done here
|
|
* to keep ntp-isms out of the authentication module
|
|
*/
|
|
void
|
|
reset_auth_stats(void)
|
|
{
|
|
authkeylookups = 0;
|
|
authkeynotfound = 0;
|
|
authencryptions = 0;
|
|
authdecryptions = 0;
|
|
authkeyuncached = 0;
|
|
auth_timereset = current_time;
|
|
}
|
|
|
|
|
|
/*
|
|
* req_get_traps - return information about current trap holders
|
|
*/
|
|
static void
|
|
req_get_traps(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
struct info_trap *it;
|
|
struct ctl_trap *tr;
|
|
size_t i;
|
|
|
|
if (num_ctl_traps == 0) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
|
|
it = (struct info_trap *)prepare_pkt(srcadr, inter, inpkt,
|
|
v6sizeof(struct info_trap));
|
|
|
|
for (i = 0, tr = ctl_traps; it && i < COUNTOF(ctl_traps); i++, tr++) {
|
|
if (tr->tr_flags & TRAP_INUSE) {
|
|
if (IS_IPV4(&tr->tr_addr)) {
|
|
if (tr->tr_localaddr == any_interface)
|
|
it->local_address = 0;
|
|
else
|
|
it->local_address
|
|
= NSRCADR(&tr->tr_localaddr->sin);
|
|
it->trap_address = NSRCADR(&tr->tr_addr);
|
|
if (client_v6_capable)
|
|
it->v6_flag = 0;
|
|
} else {
|
|
if (!client_v6_capable)
|
|
continue;
|
|
it->local_address6
|
|
= SOCK_ADDR6(&tr->tr_localaddr->sin);
|
|
it->trap_address6 = SOCK_ADDR6(&tr->tr_addr);
|
|
it->v6_flag = 1;
|
|
}
|
|
it->trap_port = NSRCPORT(&tr->tr_addr);
|
|
it->sequence = htons(tr->tr_sequence);
|
|
it->settime = htonl((u_int32)(current_time - tr->tr_settime));
|
|
it->origtime = htonl((u_int32)(current_time - tr->tr_origtime));
|
|
it->resets = htonl((u_int32)tr->tr_resets);
|
|
it->flags = htonl((u_int32)tr->tr_flags);
|
|
it = (struct info_trap *)more_pkt();
|
|
}
|
|
}
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
/*
|
|
* req_set_trap - configure a trap
|
|
*/
|
|
static void
|
|
req_set_trap(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
do_setclr_trap(srcadr, inter, inpkt, 1);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* req_clr_trap - unconfigure a trap
|
|
*/
|
|
static void
|
|
req_clr_trap(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
do_setclr_trap(srcadr, inter, inpkt, 0);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* do_setclr_trap - do the grunge work of (un)configuring a trap
|
|
*/
|
|
static void
|
|
do_setclr_trap(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt,
|
|
int set
|
|
)
|
|
{
|
|
register struct conf_trap *ct;
|
|
register endpt *linter;
|
|
int res;
|
|
sockaddr_u laddr;
|
|
|
|
/*
|
|
* Prepare sockaddr
|
|
*/
|
|
ZERO_SOCK(&laddr);
|
|
AF(&laddr) = AF(srcadr);
|
|
SET_PORT(&laddr, NTP_PORT);
|
|
|
|
/*
|
|
* Restrict ourselves to one item only. This eliminates
|
|
* the error reporting problem.
|
|
*/
|
|
if (INFO_NITEMS(inpkt->err_nitems) > 1) {
|
|
msyslog(LOG_ERR, "do_setclr_trap: err_nitems > 1");
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
ct = (struct conf_trap *)&inpkt->u;
|
|
|
|
/*
|
|
* Look for the local interface. If none, use the default.
|
|
*/
|
|
if (ct->local_address == 0) {
|
|
linter = any_interface;
|
|
} else {
|
|
if (IS_IPV4(&laddr))
|
|
NSRCADR(&laddr) = ct->local_address;
|
|
else
|
|
SOCK_ADDR6(&laddr) = ct->local_address6;
|
|
linter = findinterface(&laddr);
|
|
if (NULL == linter) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (IS_IPV4(&laddr))
|
|
NSRCADR(&laddr) = ct->trap_address;
|
|
else
|
|
SOCK_ADDR6(&laddr) = ct->trap_address6;
|
|
if (ct->trap_port)
|
|
NSRCPORT(&laddr) = ct->trap_port;
|
|
else
|
|
SET_PORT(&laddr, TRAPPORT);
|
|
|
|
if (set) {
|
|
res = ctlsettrap(&laddr, linter, 0,
|
|
INFO_VERSION(inpkt->rm_vn_mode));
|
|
} else {
|
|
res = ctlclrtrap(&laddr, linter, 0);
|
|
}
|
|
|
|
if (!res) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
} else {
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Validate a request packet for a new request or control key:
|
|
* - only one item allowed
|
|
* - key must be valid (that is, known, and not in the autokey range)
|
|
*/
|
|
static void
|
|
set_keyid_checked(
|
|
keyid_t *into,
|
|
const char *what,
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
keyid_t *pkeyid;
|
|
keyid_t tmpkey;
|
|
|
|
/* restrict ourselves to one item only */
|
|
if (INFO_NITEMS(inpkt->err_nitems) > 1) {
|
|
msyslog(LOG_ERR, "set_keyid_checked[%s]: err_nitems > 1",
|
|
what);
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
/* plug the new key from the packet */
|
|
pkeyid = (keyid_t *)&inpkt->u;
|
|
tmpkey = ntohl(*pkeyid);
|
|
|
|
/* validate the new key id, claim data error on failure */
|
|
if (tmpkey < 1 || tmpkey > NTP_MAXKEY || !auth_havekey(tmpkey)) {
|
|
msyslog(LOG_ERR, "set_keyid_checked[%s]: invalid key id: %ld",
|
|
what, (long)tmpkey);
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
|
|
/* if we arrive here, the key is good -- use it */
|
|
*into = tmpkey;
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
|
|
/*
|
|
* set_request_keyid - set the keyid used to authenticate requests
|
|
*/
|
|
static void
|
|
set_request_keyid(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
set_keyid_checked(&info_auth_keyid, "request",
|
|
srcadr, inter, inpkt);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* set_control_keyid - set the keyid used to authenticate requests
|
|
*/
|
|
static void
|
|
set_control_keyid(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
set_keyid_checked(&ctl_auth_keyid, "control",
|
|
srcadr, inter, inpkt);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* get_ctl_stats - return some stats concerning the control message module
|
|
*/
|
|
static void
|
|
get_ctl_stats(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
register struct info_control *ic;
|
|
|
|
ic = (struct info_control *)prepare_pkt(srcadr, inter, inpkt,
|
|
sizeof(struct info_control));
|
|
|
|
ic->ctltimereset = htonl((u_int32)(current_time - ctltimereset));
|
|
ic->numctlreq = htonl((u_int32)numctlreq);
|
|
ic->numctlbadpkts = htonl((u_int32)numctlbadpkts);
|
|
ic->numctlresponses = htonl((u_int32)numctlresponses);
|
|
ic->numctlfrags = htonl((u_int32)numctlfrags);
|
|
ic->numctlerrors = htonl((u_int32)numctlerrors);
|
|
ic->numctltooshort = htonl((u_int32)numctltooshort);
|
|
ic->numctlinputresp = htonl((u_int32)numctlinputresp);
|
|
ic->numctlinputfrag = htonl((u_int32)numctlinputfrag);
|
|
ic->numctlinputerr = htonl((u_int32)numctlinputerr);
|
|
ic->numctlbadoffset = htonl((u_int32)numctlbadoffset);
|
|
ic->numctlbadversion = htonl((u_int32)numctlbadversion);
|
|
ic->numctldatatooshort = htonl((u_int32)numctldatatooshort);
|
|
ic->numctlbadop = htonl((u_int32)numctlbadop);
|
|
ic->numasyncmsgs = htonl((u_int32)numasyncmsgs);
|
|
|
|
(void) more_pkt();
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
#ifdef KERNEL_PLL
|
|
/*
|
|
* get_kernel_info - get kernel pll/pps information
|
|
*/
|
|
static void
|
|
get_kernel_info(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
register struct info_kernel *ik;
|
|
struct timex ntx;
|
|
|
|
if (!pll_control) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
|
|
ZERO(ntx);
|
|
if (ntp_adjtime(&ntx) < 0)
|
|
msyslog(LOG_ERR, "get_kernel_info: ntp_adjtime() failed: %m");
|
|
ik = (struct info_kernel *)prepare_pkt(srcadr, inter, inpkt,
|
|
sizeof(struct info_kernel));
|
|
|
|
/*
|
|
* pll variables
|
|
*/
|
|
ik->offset = htonl((u_int32)ntx.offset);
|
|
ik->freq = htonl((u_int32)ntx.freq);
|
|
ik->maxerror = htonl((u_int32)ntx.maxerror);
|
|
ik->esterror = htonl((u_int32)ntx.esterror);
|
|
ik->status = htons(ntx.status);
|
|
ik->constant = htonl((u_int32)ntx.constant);
|
|
ik->precision = htonl((u_int32)ntx.precision);
|
|
ik->tolerance = htonl((u_int32)ntx.tolerance);
|
|
|
|
/*
|
|
* pps variables
|
|
*/
|
|
ik->ppsfreq = htonl((u_int32)ntx.ppsfreq);
|
|
ik->jitter = htonl((u_int32)ntx.jitter);
|
|
ik->shift = htons(ntx.shift);
|
|
ik->stabil = htonl((u_int32)ntx.stabil);
|
|
ik->jitcnt = htonl((u_int32)ntx.jitcnt);
|
|
ik->calcnt = htonl((u_int32)ntx.calcnt);
|
|
ik->errcnt = htonl((u_int32)ntx.errcnt);
|
|
ik->stbcnt = htonl((u_int32)ntx.stbcnt);
|
|
|
|
(void) more_pkt();
|
|
flush_pkt();
|
|
}
|
|
#endif /* KERNEL_PLL */
|
|
|
|
|
|
#ifdef REFCLOCK
|
|
/*
|
|
* get_clock_info - get info about a clock
|
|
*/
|
|
static void
|
|
get_clock_info(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
register struct info_clock *ic;
|
|
register u_int32 *clkaddr;
|
|
register int items;
|
|
struct refclockstat clock_stat;
|
|
sockaddr_u addr;
|
|
l_fp ltmp;
|
|
|
|
ZERO_SOCK(&addr);
|
|
AF(&addr) = AF_INET;
|
|
#ifdef ISC_PLATFORM_HAVESALEN
|
|
addr.sa.sa_len = SOCKLEN(&addr);
|
|
#endif
|
|
SET_PORT(&addr, NTP_PORT);
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
clkaddr = &inpkt->u.u32[0];
|
|
|
|
ic = (struct info_clock *)prepare_pkt(srcadr, inter, inpkt,
|
|
sizeof(struct info_clock));
|
|
|
|
while (items-- > 0 && ic) {
|
|
NSRCADR(&addr) = *clkaddr++;
|
|
if (!ISREFCLOCKADR(&addr) || NULL ==
|
|
findexistingpeer(&addr, NULL, NULL, -1, 0, NULL)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
|
|
clock_stat.kv_list = (struct ctl_var *)0;
|
|
|
|
refclock_control(&addr, NULL, &clock_stat);
|
|
|
|
ic->clockadr = NSRCADR(&addr);
|
|
ic->type = clock_stat.type;
|
|
ic->flags = clock_stat.flags;
|
|
ic->lastevent = clock_stat.lastevent;
|
|
ic->currentstatus = clock_stat.currentstatus;
|
|
ic->polls = htonl((u_int32)clock_stat.polls);
|
|
ic->noresponse = htonl((u_int32)clock_stat.noresponse);
|
|
ic->badformat = htonl((u_int32)clock_stat.badformat);
|
|
ic->baddata = htonl((u_int32)clock_stat.baddata);
|
|
ic->timestarted = htonl((u_int32)clock_stat.timereset);
|
|
DTOLFP(clock_stat.fudgetime1, <mp);
|
|
HTONL_FP(<mp, &ic->fudgetime1);
|
|
DTOLFP(clock_stat.fudgetime2, <mp);
|
|
HTONL_FP(<mp, &ic->fudgetime2);
|
|
ic->fudgeval1 = htonl((u_int32)clock_stat.fudgeval1);
|
|
/* [Bug3527] Backward Incompatible: ic->fudgeval2 is
|
|
* a string, instantiated via memcpy() so there is no
|
|
* endian issue to correct.
|
|
*/
|
|
#ifdef DISABLE_BUG3527_FIX
|
|
ic->fudgeval2 = htonl(clock_stat.fudgeval2);
|
|
#else
|
|
ic->fudgeval2 = clock_stat.fudgeval2;
|
|
#endif
|
|
|
|
free_varlist(clock_stat.kv_list);
|
|
|
|
ic = (struct info_clock *)more_pkt();
|
|
}
|
|
flush_pkt();
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* set_clock_fudge - get a clock's fudge factors
|
|
*/
|
|
static void
|
|
set_clock_fudge(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
register struct conf_fudge *cf;
|
|
register int items;
|
|
struct refclockstat clock_stat;
|
|
sockaddr_u addr;
|
|
l_fp ltmp;
|
|
|
|
ZERO(addr);
|
|
ZERO(clock_stat);
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
cf = (struct conf_fudge *)&inpkt->u;
|
|
|
|
while (items-- > 0) {
|
|
AF(&addr) = AF_INET;
|
|
NSRCADR(&addr) = cf->clockadr;
|
|
#ifdef ISC_PLATFORM_HAVESALEN
|
|
addr.sa.sa_len = SOCKLEN(&addr);
|
|
#endif
|
|
SET_PORT(&addr, NTP_PORT);
|
|
if (!ISREFCLOCKADR(&addr) || NULL ==
|
|
findexistingpeer(&addr, NULL, NULL, -1, 0, NULL)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
|
|
switch(ntohl(cf->which)) {
|
|
case FUDGE_TIME1:
|
|
NTOHL_FP(&cf->fudgetime, <mp);
|
|
LFPTOD(<mp, clock_stat.fudgetime1);
|
|
clock_stat.haveflags = CLK_HAVETIME1;
|
|
break;
|
|
case FUDGE_TIME2:
|
|
NTOHL_FP(&cf->fudgetime, <mp);
|
|
LFPTOD(<mp, clock_stat.fudgetime2);
|
|
clock_stat.haveflags = CLK_HAVETIME2;
|
|
break;
|
|
case FUDGE_VAL1:
|
|
clock_stat.fudgeval1 = ntohl(cf->fudgeval_flags);
|
|
clock_stat.haveflags = CLK_HAVEVAL1;
|
|
break;
|
|
case FUDGE_VAL2:
|
|
clock_stat.fudgeval2 = ntohl(cf->fudgeval_flags);
|
|
clock_stat.haveflags = CLK_HAVEVAL2;
|
|
break;
|
|
case FUDGE_FLAGS:
|
|
clock_stat.flags = (u_char) (ntohl(cf->fudgeval_flags) & 0xf);
|
|
clock_stat.haveflags =
|
|
(CLK_HAVEFLAG1|CLK_HAVEFLAG2|CLK_HAVEFLAG3|CLK_HAVEFLAG4);
|
|
break;
|
|
default:
|
|
msyslog(LOG_ERR, "set_clock_fudge: default!");
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_FMT);
|
|
return;
|
|
}
|
|
|
|
refclock_control(&addr, &clock_stat, (struct refclockstat *)0);
|
|
}
|
|
|
|
req_ack(srcadr, inter, inpkt, INFO_OKAY);
|
|
}
|
|
#endif
|
|
|
|
#ifdef REFCLOCK
|
|
/*
|
|
* get_clkbug_info - get debugging info about a clock
|
|
*/
|
|
static void
|
|
get_clkbug_info(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
register int i;
|
|
register struct info_clkbug *ic;
|
|
register u_int32 *clkaddr;
|
|
register int items;
|
|
struct refclockbug bug;
|
|
sockaddr_u addr;
|
|
|
|
ZERO_SOCK(&addr);
|
|
AF(&addr) = AF_INET;
|
|
#ifdef ISC_PLATFORM_HAVESALEN
|
|
addr.sa.sa_len = SOCKLEN(&addr);
|
|
#endif
|
|
SET_PORT(&addr, NTP_PORT);
|
|
items = INFO_NITEMS(inpkt->err_nitems);
|
|
clkaddr = (u_int32 *)&inpkt->u;
|
|
|
|
ic = (struct info_clkbug *)prepare_pkt(srcadr, inter, inpkt,
|
|
sizeof(struct info_clkbug));
|
|
|
|
while (items-- > 0 && ic) {
|
|
NSRCADR(&addr) = *clkaddr++;
|
|
if (!ISREFCLOCKADR(&addr) || NULL ==
|
|
findexistingpeer(&addr, NULL, NULL, -1, 0, NULL)) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
|
|
ZERO(bug);
|
|
refclock_buginfo(&addr, &bug);
|
|
if (bug.nvalues == 0 && bug.ntimes == 0) {
|
|
req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA);
|
|
return;
|
|
}
|
|
|
|
ic->clockadr = NSRCADR(&addr);
|
|
i = bug.nvalues;
|
|
if (i > NUMCBUGVALUES)
|
|
i = NUMCBUGVALUES;
|
|
ic->nvalues = (u_char)i;
|
|
ic->svalues = htons((u_short) (bug.svalues & ((1<<i)-1)));
|
|
while (--i >= 0)
|
|
ic->values[i] = htonl(bug.values[i]);
|
|
|
|
i = bug.ntimes;
|
|
if (i > NUMCBUGTIMES)
|
|
i = NUMCBUGTIMES;
|
|
ic->ntimes = (u_char)i;
|
|
ic->stimes = htonl(bug.stimes);
|
|
while (--i >= 0) {
|
|
HTONL_FP(&bug.times[i], &ic->times[i]);
|
|
}
|
|
|
|
ic = (struct info_clkbug *)more_pkt();
|
|
}
|
|
flush_pkt();
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* receiver of interface structures
|
|
*/
|
|
static void
|
|
fill_info_if_stats(void *data, interface_info_t *interface_info)
|
|
{
|
|
struct info_if_stats **ifsp = (struct info_if_stats **)data;
|
|
struct info_if_stats *ifs = *ifsp;
|
|
endpt *ep = interface_info->ep;
|
|
|
|
if (NULL == ifs)
|
|
return;
|
|
|
|
ZERO(*ifs);
|
|
|
|
if (IS_IPV6(&ep->sin)) {
|
|
if (!client_v6_capable)
|
|
return;
|
|
ifs->v6_flag = 1;
|
|
ifs->unaddr.addr6 = SOCK_ADDR6(&ep->sin);
|
|
ifs->unbcast.addr6 = SOCK_ADDR6(&ep->bcast);
|
|
ifs->unmask.addr6 = SOCK_ADDR6(&ep->mask);
|
|
} else {
|
|
ifs->v6_flag = 0;
|
|
ifs->unaddr.addr = SOCK_ADDR4(&ep->sin);
|
|
ifs->unbcast.addr = SOCK_ADDR4(&ep->bcast);
|
|
ifs->unmask.addr = SOCK_ADDR4(&ep->mask);
|
|
}
|
|
ifs->v6_flag = htonl(ifs->v6_flag);
|
|
strlcpy(ifs->name, ep->name, sizeof(ifs->name));
|
|
ifs->family = htons(ep->family);
|
|
ifs->flags = htonl(ep->flags);
|
|
ifs->last_ttl = htonl(ep->last_ttl);
|
|
ifs->num_mcast = htonl(ep->num_mcast);
|
|
ifs->received = htonl(ep->received);
|
|
ifs->sent = htonl(ep->sent);
|
|
ifs->notsent = htonl(ep->notsent);
|
|
ifs->ifindex = htonl(ep->ifindex);
|
|
/* scope no longer in endpt, in in6_addr typically */
|
|
ifs->scopeid = ifs->ifindex;
|
|
ifs->ifnum = htonl(ep->ifnum);
|
|
ifs->uptime = htonl(current_time - ep->starttime);
|
|
ifs->ignore_packets = ep->ignore_packets;
|
|
ifs->peercnt = htonl(ep->peercnt);
|
|
ifs->action = interface_info->action;
|
|
|
|
*ifsp = (struct info_if_stats *)more_pkt();
|
|
}
|
|
|
|
/*
|
|
* get_if_stats - get interface statistics
|
|
*/
|
|
static void
|
|
get_if_stats(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
struct info_if_stats *ifs;
|
|
|
|
DPRINTF(3, ("wants interface statistics\n"));
|
|
|
|
ifs = (struct info_if_stats *)prepare_pkt(srcadr, inter, inpkt,
|
|
v6sizeof(struct info_if_stats));
|
|
|
|
interface_enumerate(fill_info_if_stats, &ifs);
|
|
|
|
flush_pkt();
|
|
}
|
|
|
|
static void
|
|
do_if_reload(
|
|
sockaddr_u *srcadr,
|
|
endpt *inter,
|
|
struct req_pkt *inpkt
|
|
)
|
|
{
|
|
struct info_if_stats *ifs;
|
|
|
|
DPRINTF(3, ("wants interface reload\n"));
|
|
|
|
ifs = (struct info_if_stats *)prepare_pkt(srcadr, inter, inpkt,
|
|
v6sizeof(struct info_if_stats));
|
|
|
|
interface_update(fill_info_if_stats, &ifs);
|
|
|
|
flush_pkt();
|
|
}
|
|
|