154359Sroberto/* 254359Sroberto * ntp_request.c - respond to information requests 354359Sroberto */ 4132451Sroberto 554359Sroberto#ifdef HAVE_CONFIG_H 682498Sroberto# include <config.h> 754359Sroberto#endif 854359Sroberto 954359Sroberto#include "ntpd.h" 1054359Sroberto#include "ntp_io.h" 1154359Sroberto#include "ntp_request.h" 1254359Sroberto#include "ntp_control.h" 1354359Sroberto#include "ntp_refclock.h" 1454359Sroberto#include "ntp_if.h" 1554359Sroberto#include "ntp_stdlib.h" 16285612Sdelphij#include "ntp_assert.h" 1782498Sroberto 1882498Sroberto#include <stdio.h> 19132451Sroberto#include <stddef.h> 2082498Sroberto#include <signal.h> 21285612Sdelphij#ifdef HAVE_NETINET_IN_H 2282498Sroberto#include <netinet/in.h> 23285612Sdelphij#endif 2482498Sroberto#include <arpa/inet.h> 2582498Sroberto 2654359Sroberto#include "recvbuff.h" 2754359Sroberto 2854359Sroberto#ifdef KERNEL_PLL 2954359Sroberto#include "ntp_syscall.h" 3054359Sroberto#endif /* KERNEL_PLL */ 3154359Sroberto 3254359Sroberto/* 3354359Sroberto * Structure to hold request procedure information 3454359Sroberto */ 3554359Sroberto#define NOAUTH 0 3654359Sroberto#define AUTH 1 3754359Sroberto 3854359Sroberto#define NO_REQUEST (-1) 39132451Sroberto/* 40132451Sroberto * Because we now have v6 addresses in the messages, we need to compensate 41132451Sroberto * for the larger size. Therefore, we introduce the alternate size to 42132451Sroberto * keep us friendly with older implementations. A little ugly. 43132451Sroberto */ 44132451Srobertostatic int client_v6_capable = 0; /* the client can handle longer messages */ 4554359Sroberto 46132451Sroberto#define v6sizeof(type) (client_v6_capable ? sizeof(type) : v4sizeof(type)) 47132451Sroberto 4854359Srobertostruct req_proc { 4954359Sroberto short request_code; /* defined request code */ 5054359Sroberto short needs_auth; /* true when authentication needed */ 51132451Sroberto short sizeofitem; /* size of request data item (older size)*/ 52132451Sroberto short v6_sizeofitem; /* size of request data item (new size)*/ 53285612Sdelphij void (*handler) (sockaddr_u *, endpt *, 54285612Sdelphij struct req_pkt *); /* routine to handle request */ 5554359Sroberto}; 5654359Sroberto 5754359Sroberto/* 5854359Sroberto * Universal request codes 5954359Sroberto */ 60285612Sdelphijstatic const struct req_proc univ_codes[] = { 61285612Sdelphij { NO_REQUEST, NOAUTH, 0, 0, NULL } 6254359Sroberto}; 6354359Sroberto 64285612Sdelphijstatic void req_ack (sockaddr_u *, endpt *, struct req_pkt *, int); 65285612Sdelphijstatic void * prepare_pkt (sockaddr_u *, endpt *, 66285612Sdelphij struct req_pkt *, size_t); 67285612Sdelphijstatic void * more_pkt (void); 68285612Sdelphijstatic void flush_pkt (void); 69285612Sdelphijstatic void list_peers (sockaddr_u *, endpt *, struct req_pkt *); 70285612Sdelphijstatic void list_peers_sum (sockaddr_u *, endpt *, struct req_pkt *); 71285612Sdelphijstatic void peer_info (sockaddr_u *, endpt *, struct req_pkt *); 72285612Sdelphijstatic void peer_stats (sockaddr_u *, endpt *, struct req_pkt *); 73285612Sdelphijstatic void sys_info (sockaddr_u *, endpt *, struct req_pkt *); 74285612Sdelphijstatic void sys_stats (sockaddr_u *, endpt *, struct req_pkt *); 75285612Sdelphijstatic void mem_stats (sockaddr_u *, endpt *, struct req_pkt *); 76285612Sdelphijstatic void io_stats (sockaddr_u *, endpt *, struct req_pkt *); 77285612Sdelphijstatic void timer_stats (sockaddr_u *, endpt *, struct req_pkt *); 78285612Sdelphijstatic void loop_info (sockaddr_u *, endpt *, struct req_pkt *); 79285612Sdelphijstatic void do_conf (sockaddr_u *, endpt *, struct req_pkt *); 80285612Sdelphijstatic void do_unconf (sockaddr_u *, endpt *, struct req_pkt *); 81285612Sdelphijstatic void set_sys_flag (sockaddr_u *, endpt *, struct req_pkt *); 82285612Sdelphijstatic void clr_sys_flag (sockaddr_u *, endpt *, struct req_pkt *); 83285612Sdelphijstatic void setclr_flags (sockaddr_u *, endpt *, struct req_pkt *, u_long); 84294569Sdelphijstatic void list_restrict4 (const restrict_u *, struct info_restrict **); 85294569Sdelphijstatic void list_restrict6 (const restrict_u *, struct info_restrict **); 86285612Sdelphijstatic void list_restrict (sockaddr_u *, endpt *, struct req_pkt *); 87285612Sdelphijstatic void do_resaddflags (sockaddr_u *, endpt *, struct req_pkt *); 88285612Sdelphijstatic void do_ressubflags (sockaddr_u *, endpt *, struct req_pkt *); 89285612Sdelphijstatic void do_unrestrict (sockaddr_u *, endpt *, struct req_pkt *); 90330567Sgordonstatic void do_restrict (sockaddr_u *, endpt *, struct req_pkt *, restrict_op); 91285612Sdelphijstatic void mon_getlist (sockaddr_u *, endpt *, struct req_pkt *); 92285612Sdelphijstatic void reset_stats (sockaddr_u *, endpt *, struct req_pkt *); 93285612Sdelphijstatic void reset_peer (sockaddr_u *, endpt *, struct req_pkt *); 94285612Sdelphijstatic void do_key_reread (sockaddr_u *, endpt *, struct req_pkt *); 95285612Sdelphijstatic void trust_key (sockaddr_u *, endpt *, struct req_pkt *); 96285612Sdelphijstatic void untrust_key (sockaddr_u *, endpt *, struct req_pkt *); 97285612Sdelphijstatic void do_trustkey (sockaddr_u *, endpt *, struct req_pkt *, u_long); 98285612Sdelphijstatic void get_auth_info (sockaddr_u *, endpt *, struct req_pkt *); 99285612Sdelphijstatic void req_get_traps (sockaddr_u *, endpt *, struct req_pkt *); 100285612Sdelphijstatic void req_set_trap (sockaddr_u *, endpt *, struct req_pkt *); 101285612Sdelphijstatic void req_clr_trap (sockaddr_u *, endpt *, struct req_pkt *); 102285612Sdelphijstatic void do_setclr_trap (sockaddr_u *, endpt *, struct req_pkt *, int); 103285612Sdelphijstatic void set_request_keyid (sockaddr_u *, endpt *, struct req_pkt *); 104285612Sdelphijstatic void set_control_keyid (sockaddr_u *, endpt *, struct req_pkt *); 105285612Sdelphijstatic void get_ctl_stats (sockaddr_u *, endpt *, struct req_pkt *); 106285612Sdelphijstatic void get_if_stats (sockaddr_u *, endpt *, struct req_pkt *); 107285612Sdelphijstatic void do_if_reload (sockaddr_u *, endpt *, struct req_pkt *); 10854359Sroberto#ifdef KERNEL_PLL 109285612Sdelphijstatic void get_kernel_info (sockaddr_u *, endpt *, struct req_pkt *); 11054359Sroberto#endif /* KERNEL_PLL */ 11154359Sroberto#ifdef REFCLOCK 112285612Sdelphijstatic void get_clock_info (sockaddr_u *, endpt *, struct req_pkt *); 113285612Sdelphijstatic void set_clock_fudge (sockaddr_u *, endpt *, struct req_pkt *); 11454359Sroberto#endif /* REFCLOCK */ 11554359Sroberto#ifdef REFCLOCK 116285612Sdelphijstatic void get_clkbug_info (sockaddr_u *, endpt *, struct req_pkt *); 11754359Sroberto#endif /* REFCLOCK */ 11854359Sroberto 11954359Sroberto/* 12054359Sroberto * ntpd request codes 12154359Sroberto */ 122285612Sdelphijstatic const struct req_proc ntp_codes[] = { 123285612Sdelphij { REQ_PEER_LIST, NOAUTH, 0, 0, list_peers }, 124285612Sdelphij { REQ_PEER_LIST_SUM, NOAUTH, 0, 0, list_peers_sum }, 125132451Sroberto { REQ_PEER_INFO, NOAUTH, v4sizeof(struct info_peer_list), 126132451Sroberto sizeof(struct info_peer_list), peer_info}, 127132451Sroberto { REQ_PEER_STATS, NOAUTH, v4sizeof(struct info_peer_list), 128132451Sroberto sizeof(struct info_peer_list), peer_stats}, 129132451Sroberto { REQ_SYS_INFO, NOAUTH, 0, 0, sys_info }, 130132451Sroberto { REQ_SYS_STATS, NOAUTH, 0, 0, sys_stats }, 131132451Sroberto { REQ_IO_STATS, NOAUTH, 0, 0, io_stats }, 132132451Sroberto { REQ_MEM_STATS, NOAUTH, 0, 0, mem_stats }, 133132451Sroberto { REQ_LOOP_INFO, NOAUTH, 0, 0, loop_info }, 134132451Sroberto { REQ_TIMER_STATS, NOAUTH, 0, 0, timer_stats }, 135132451Sroberto { REQ_CONFIG, AUTH, v4sizeof(struct conf_peer), 136132451Sroberto sizeof(struct conf_peer), do_conf }, 137132451Sroberto { REQ_UNCONFIG, AUTH, v4sizeof(struct conf_unpeer), 138132451Sroberto sizeof(struct conf_unpeer), do_unconf }, 139132451Sroberto { REQ_SET_SYS_FLAG, AUTH, sizeof(struct conf_sys_flags), 140132451Sroberto sizeof(struct conf_sys_flags), set_sys_flag }, 141132451Sroberto { REQ_CLR_SYS_FLAG, AUTH, sizeof(struct conf_sys_flags), 142132451Sroberto sizeof(struct conf_sys_flags), clr_sys_flag }, 143132451Sroberto { REQ_GET_RESTRICT, NOAUTH, 0, 0, list_restrict }, 144132451Sroberto { REQ_RESADDFLAGS, AUTH, v4sizeof(struct conf_restrict), 145132451Sroberto sizeof(struct conf_restrict), do_resaddflags }, 146132451Sroberto { REQ_RESSUBFLAGS, AUTH, v4sizeof(struct conf_restrict), 147132451Sroberto sizeof(struct conf_restrict), do_ressubflags }, 148132451Sroberto { REQ_UNRESTRICT, AUTH, v4sizeof(struct conf_restrict), 149132451Sroberto sizeof(struct conf_restrict), do_unrestrict }, 150285612Sdelphij { REQ_MON_GETLIST, NOAUTH, 0, 0, mon_getlist }, 151285612Sdelphij { REQ_MON_GETLIST_1, NOAUTH, 0, 0, mon_getlist }, 152132451Sroberto { REQ_RESET_STATS, AUTH, sizeof(struct reset_flags), 0, reset_stats }, 153132451Sroberto { REQ_RESET_PEER, AUTH, v4sizeof(struct conf_unpeer), 154132451Sroberto sizeof(struct conf_unpeer), reset_peer }, 155132451Sroberto { REQ_REREAD_KEYS, AUTH, 0, 0, do_key_reread }, 156132451Sroberto { REQ_TRUSTKEY, AUTH, sizeof(u_long), sizeof(u_long), trust_key }, 157132451Sroberto { REQ_UNTRUSTKEY, AUTH, sizeof(u_long), sizeof(u_long), untrust_key }, 158132451Sroberto { REQ_AUTHINFO, NOAUTH, 0, 0, get_auth_info }, 159132451Sroberto { REQ_TRAPS, NOAUTH, 0, 0, req_get_traps }, 160132451Sroberto { REQ_ADD_TRAP, AUTH, v4sizeof(struct conf_trap), 161132451Sroberto sizeof(struct conf_trap), req_set_trap }, 162132451Sroberto { REQ_CLR_TRAP, AUTH, v4sizeof(struct conf_trap), 163132451Sroberto sizeof(struct conf_trap), req_clr_trap }, 164132451Sroberto { REQ_REQUEST_KEY, AUTH, sizeof(u_long), sizeof(u_long), 165132451Sroberto set_request_keyid }, 166132451Sroberto { REQ_CONTROL_KEY, AUTH, sizeof(u_long), sizeof(u_long), 167132451Sroberto set_control_keyid }, 168132451Sroberto { REQ_GET_CTLSTATS, NOAUTH, 0, 0, get_ctl_stats }, 16954359Sroberto#ifdef KERNEL_PLL 170132451Sroberto { REQ_GET_KERNEL, NOAUTH, 0, 0, get_kernel_info }, 17154359Sroberto#endif 17254359Sroberto#ifdef REFCLOCK 173132451Sroberto { REQ_GET_CLOCKINFO, NOAUTH, sizeof(u_int32), sizeof(u_int32), 174132451Sroberto get_clock_info }, 175132451Sroberto { REQ_SET_CLKFUDGE, AUTH, sizeof(struct conf_fudge), 176132451Sroberto sizeof(struct conf_fudge), set_clock_fudge }, 177132451Sroberto { REQ_GET_CLKBUGINFO, NOAUTH, sizeof(u_int32), sizeof(u_int32), 178132451Sroberto get_clkbug_info }, 17954359Sroberto#endif 180182007Sroberto { REQ_IF_STATS, AUTH, 0, 0, get_if_stats }, 181285612Sdelphij { REQ_IF_RELOAD, AUTH, 0, 0, do_if_reload }, 182182007Sroberto 183132451Sroberto { NO_REQUEST, NOAUTH, 0, 0, 0 } 18454359Sroberto}; 18554359Sroberto 18654359Sroberto 18754359Sroberto/* 18854359Sroberto * Authentication keyid used to authenticate requests. Zero means we 18954359Sroberto * don't allow writing anything. 19054359Sroberto */ 19182498Srobertokeyid_t info_auth_keyid; 19254359Sroberto 19354359Sroberto/* 19454359Sroberto * Statistic counters to keep track of requests and responses. 19554359Sroberto */ 19654359Srobertou_long numrequests; /* number of requests we've received */ 19754359Srobertou_long numresppkts; /* number of resp packets sent with data */ 19854359Sroberto 199285612Sdelphij/* 200285612Sdelphij * lazy way to count errors, indexed by the error code 201285612Sdelphij */ 202285612Sdelphiju_long errorcounter[MAX_INFO_ERR + 1]; 20354359Sroberto 20454359Sroberto/* 20554359Sroberto * A hack. To keep the authentication module clear of ntp-ism's, we 20654359Sroberto * include a time reset variable for its stats here. 20754359Sroberto */ 208285612Sdelphiju_long auth_timereset; 20954359Sroberto 21054359Sroberto/* 21154359Sroberto * Response packet used by these routines. Also some state information 21254359Sroberto * so that we can handle packet formatting within a common set of 21354359Sroberto * subroutines. Note we try to enter data in place whenever possible, 21454359Sroberto * but the need to set the more bit correctly means we occasionally 21554359Sroberto * use the extra buffer and copy. 21654359Sroberto */ 21754359Srobertostatic struct resp_pkt rpkt; 21854359Srobertostatic int reqver; 21954359Srobertostatic int seqno; 22054359Srobertostatic int nitems; 22154359Srobertostatic int itemsize; 22254359Srobertostatic int databytes; 22354359Srobertostatic char exbuf[RESP_DATA_SIZE]; 22454359Srobertostatic int usingexbuf; 225285612Sdelphijstatic sockaddr_u *toaddr; 226285612Sdelphijstatic endpt *frominter; 22754359Sroberto 22854359Sroberto/* 22954359Sroberto * init_request - initialize request data 23054359Sroberto */ 23154359Srobertovoid 23254359Srobertoinit_request (void) 23354359Sroberto{ 234285612Sdelphij size_t i; 23554359Sroberto 23654359Sroberto numrequests = 0; 23754359Sroberto numresppkts = 0; 23854359Sroberto auth_timereset = 0; 23954359Sroberto info_auth_keyid = 0; /* by default, can't do this */ 24054359Sroberto 24154359Sroberto for (i = 0; i < sizeof(errorcounter)/sizeof(errorcounter[0]); i++) 24254359Sroberto errorcounter[i] = 0; 24354359Sroberto} 24454359Sroberto 24554359Sroberto 24654359Sroberto/* 24754359Sroberto * req_ack - acknowledge request with no data 24854359Sroberto */ 24954359Srobertostatic void 25054359Srobertoreq_ack( 251285612Sdelphij sockaddr_u *srcadr, 252285612Sdelphij endpt *inter, 25354359Sroberto struct req_pkt *inpkt, 25454359Sroberto int errcode 25554359Sroberto ) 25654359Sroberto{ 25754359Sroberto /* 25854359Sroberto * fill in the fields 25954359Sroberto */ 26054359Sroberto rpkt.rm_vn_mode = RM_VN_MODE(RESP_BIT, 0, reqver); 26154359Sroberto rpkt.auth_seq = AUTH_SEQ(0, 0); 26254359Sroberto rpkt.implementation = inpkt->implementation; 26354359Sroberto rpkt.request = inpkt->request; 264285612Sdelphij rpkt.err_nitems = ERR_NITEMS(errcode, 0); 26554359Sroberto rpkt.mbz_itemsize = MBZ_ITEMSIZE(0); 26654359Sroberto 26754359Sroberto /* 26854359Sroberto * send packet and bump counters 26954359Sroberto */ 27054359Sroberto sendpkt(srcadr, inter, -1, (struct pkt *)&rpkt, RESP_HEADER_SIZE); 27154359Sroberto errorcounter[errcode]++; 27254359Sroberto} 27354359Sroberto 27454359Sroberto 27554359Sroberto/* 27654359Sroberto * prepare_pkt - prepare response packet for transmission, return pointer 27754359Sroberto * to storage for data item. 27854359Sroberto */ 279285612Sdelphijstatic void * 28054359Srobertoprepare_pkt( 281285612Sdelphij sockaddr_u *srcadr, 282285612Sdelphij endpt *inter, 28354359Sroberto struct req_pkt *pkt, 284285612Sdelphij size_t structsize 28554359Sroberto ) 28654359Sroberto{ 287285612Sdelphij DPRINTF(4, ("request: preparing pkt\n")); 28854359Sroberto 28954359Sroberto /* 290132451Sroberto * Fill in the implementation, request and itemsize fields 29154359Sroberto * since these won't change. 29254359Sroberto */ 29354359Sroberto rpkt.implementation = pkt->implementation; 29454359Sroberto rpkt.request = pkt->request; 29554359Sroberto rpkt.mbz_itemsize = MBZ_ITEMSIZE(structsize); 29654359Sroberto 29754359Sroberto /* 29854359Sroberto * Compute the static data needed to carry on. 29954359Sroberto */ 30054359Sroberto toaddr = srcadr; 30154359Sroberto frominter = inter; 30254359Sroberto seqno = 0; 30354359Sroberto nitems = 0; 30454359Sroberto itemsize = structsize; 30554359Sroberto databytes = 0; 30654359Sroberto usingexbuf = 0; 30754359Sroberto 30854359Sroberto /* 30954359Sroberto * return the beginning of the packet buffer. 31054359Sroberto */ 311285612Sdelphij return &rpkt.u; 31254359Sroberto} 31354359Sroberto 31454359Sroberto 31554359Sroberto/* 31654359Sroberto * more_pkt - return a data pointer for a new item. 31754359Sroberto */ 318285612Sdelphijstatic void * 31954359Srobertomore_pkt(void) 32054359Sroberto{ 32154359Sroberto /* 32254359Sroberto * If we were using the extra buffer, send the packet. 32354359Sroberto */ 32454359Sroberto if (usingexbuf) { 325285612Sdelphij DPRINTF(3, ("request: sending pkt\n")); 32654359Sroberto rpkt.rm_vn_mode = RM_VN_MODE(RESP_BIT, MORE_BIT, reqver); 32754359Sroberto rpkt.auth_seq = AUTH_SEQ(0, seqno); 32854359Sroberto rpkt.err_nitems = htons((u_short)nitems); 32954359Sroberto sendpkt(toaddr, frominter, -1, (struct pkt *)&rpkt, 330285612Sdelphij RESP_HEADER_SIZE + databytes); 33154359Sroberto numresppkts++; 33254359Sroberto 33354359Sroberto /* 33454359Sroberto * Copy data out of exbuf into the packet. 33554359Sroberto */ 336285612Sdelphij memcpy(&rpkt.u.data[0], exbuf, (unsigned)itemsize); 33754359Sroberto seqno++; 33854359Sroberto databytes = 0; 33954359Sroberto nitems = 0; 34054359Sroberto usingexbuf = 0; 34154359Sroberto } 34254359Sroberto 34354359Sroberto databytes += itemsize; 34454359Sroberto nitems++; 34554359Sroberto if (databytes + itemsize <= RESP_DATA_SIZE) { 346285612Sdelphij DPRINTF(4, ("request: giving him more data\n")); 34754359Sroberto /* 34854359Sroberto * More room in packet. Give him the 34954359Sroberto * next address. 35054359Sroberto */ 351285612Sdelphij return &rpkt.u.data[databytes]; 35254359Sroberto } else { 35354359Sroberto /* 35454359Sroberto * No room in packet. Give him the extra 35554359Sroberto * buffer unless this was the last in the sequence. 35654359Sroberto */ 357285612Sdelphij DPRINTF(4, ("request: into extra buffer\n")); 35854359Sroberto if (seqno == MAXSEQ) 359285612Sdelphij return NULL; 36054359Sroberto else { 36154359Sroberto usingexbuf = 1; 36254359Sroberto return exbuf; 36354359Sroberto } 36454359Sroberto } 36554359Sroberto} 36654359Sroberto 36754359Sroberto 36854359Sroberto/* 36954359Sroberto * flush_pkt - we're done, return remaining information. 37054359Sroberto */ 37154359Srobertostatic void 37254359Srobertoflush_pkt(void) 37354359Sroberto{ 374285612Sdelphij DPRINTF(3, ("request: flushing packet, %d items\n", nitems)); 37554359Sroberto /* 37654359Sroberto * Must send the last packet. If nothing in here and nothing 37754359Sroberto * has been sent, send an error saying no data to be found. 37854359Sroberto */ 37954359Sroberto if (seqno == 0 && nitems == 0) 380285612Sdelphij req_ack(toaddr, frominter, (struct req_pkt *)&rpkt, 381285612Sdelphij INFO_ERR_NODATA); 38254359Sroberto else { 38354359Sroberto rpkt.rm_vn_mode = RM_VN_MODE(RESP_BIT, 0, reqver); 38454359Sroberto rpkt.auth_seq = AUTH_SEQ(0, seqno); 38554359Sroberto rpkt.err_nitems = htons((u_short)nitems); 38654359Sroberto sendpkt(toaddr, frominter, -1, (struct pkt *)&rpkt, 38754359Sroberto RESP_HEADER_SIZE+databytes); 38854359Sroberto numresppkts++; 38954359Sroberto } 39054359Sroberto} 39154359Sroberto 39254359Sroberto 39354359Sroberto 39454359Sroberto/* 395285612Sdelphij * Given a buffer, return the packet mode 396285612Sdelphij */ 397285612Sdelphijint 398285612Sdelphijget_packet_mode(struct recvbuf *rbufp) 399285612Sdelphij{ 400285612Sdelphij struct req_pkt *inpkt = (struct req_pkt *)&rbufp->recv_pkt; 401285612Sdelphij return (INFO_MODE(inpkt->rm_vn_mode)); 402285612Sdelphij} 403285612Sdelphij 404285612Sdelphij 405285612Sdelphij/* 40654359Sroberto * process_private - process private mode (7) packets 40754359Sroberto */ 40854359Srobertovoid 40954359Srobertoprocess_private( 41054359Sroberto struct recvbuf *rbufp, 41154359Sroberto int mod_okay 41254359Sroberto ) 41354359Sroberto{ 414200576Sroberto static u_long quiet_until; 41554359Sroberto struct req_pkt *inpkt; 416106163Sroberto struct req_pkt_tail *tailinpkt; 417285612Sdelphij sockaddr_u *srcadr; 418285612Sdelphij endpt *inter; 419285612Sdelphij const struct req_proc *proc; 42082498Sroberto int ec; 421132451Sroberto short temp_size; 422285612Sdelphij l_fp ftmp; 423285612Sdelphij double dtemp; 424285612Sdelphij size_t recv_len; 425285612Sdelphij size_t noslop_len; 426285612Sdelphij size_t mac_len; 42754359Sroberto 42854359Sroberto /* 42954359Sroberto * Initialize pointers, for convenience 43054359Sroberto */ 431285612Sdelphij recv_len = rbufp->recv_length; 43254359Sroberto inpkt = (struct req_pkt *)&rbufp->recv_pkt; 43354359Sroberto srcadr = &rbufp->recv_srcadr; 43454359Sroberto inter = rbufp->dstadr; 43554359Sroberto 436285612Sdelphij DPRINTF(3, ("process_private: impl %d req %d\n", 437285612Sdelphij inpkt->implementation, inpkt->request)); 43854359Sroberto 43954359Sroberto /* 44054359Sroberto * Do some sanity checks on the packet. Return a format 44154359Sroberto * error if it fails. 44254359Sroberto */ 44382498Sroberto ec = 0; 44482498Sroberto if ( (++ec, ISRESPONSE(inpkt->rm_vn_mode)) 44582498Sroberto || (++ec, ISMORE(inpkt->rm_vn_mode)) 44682498Sroberto || (++ec, INFO_VERSION(inpkt->rm_vn_mode) > NTP_VERSION) 44782498Sroberto || (++ec, INFO_VERSION(inpkt->rm_vn_mode) < NTP_OLDVERSION) 44882498Sroberto || (++ec, INFO_SEQ(inpkt->auth_seq) != 0) 44982498Sroberto || (++ec, INFO_ERR(inpkt->err_nitems) != 0) 45082498Sroberto || (++ec, INFO_MBZ(inpkt->mbz_itemsize) != 0) 451285612Sdelphij || (++ec, rbufp->recv_length < (int)REQ_LEN_HDR) 45282498Sroberto ) { 453200576Sroberto NLOG(NLOG_SYSEVENT) 454200576Sroberto if (current_time >= quiet_until) { 455200576Sroberto msyslog(LOG_ERR, 456200576Sroberto "process_private: drop test %d" 457200576Sroberto " failed, pkt from %s", 458200576Sroberto ec, stoa(srcadr)); 459200576Sroberto quiet_until = current_time + 60; 460200576Sroberto } 46154359Sroberto return; 46254359Sroberto } 46354359Sroberto 46454359Sroberto reqver = INFO_VERSION(inpkt->rm_vn_mode); 46554359Sroberto 46654359Sroberto /* 46754359Sroberto * Get the appropriate procedure list to search. 46854359Sroberto */ 46954359Sroberto if (inpkt->implementation == IMPL_UNIV) 470285612Sdelphij proc = univ_codes; 471132451Sroberto else if ((inpkt->implementation == IMPL_XNTPD) || 472132451Sroberto (inpkt->implementation == IMPL_XNTPD_OLD)) 473285612Sdelphij proc = ntp_codes; 47454359Sroberto else { 47554359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_IMPL); 47654359Sroberto return; 47754359Sroberto } 47854359Sroberto 47954359Sroberto /* 48054359Sroberto * Search the list for the request codes. If it isn't one 48154359Sroberto * we know, return an error. 48254359Sroberto */ 48354359Sroberto while (proc->request_code != NO_REQUEST) { 48454359Sroberto if (proc->request_code == (short) inpkt->request) 485285612Sdelphij break; 48654359Sroberto proc++; 48754359Sroberto } 48854359Sroberto if (proc->request_code == NO_REQUEST) { 48954359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_REQ); 49054359Sroberto return; 49154359Sroberto } 49254359Sroberto 493285612Sdelphij DPRINTF(4, ("found request in tables\n")); 49454359Sroberto 49554359Sroberto /* 496132451Sroberto * If we need data, check to see if we have some. If we 497132451Sroberto * don't, check to see that there is none (picky, picky). 498132451Sroberto */ 499132451Sroberto 500132451Sroberto /* This part is a bit tricky, we want to be sure that the size 501132451Sroberto * returned is either the old or the new size. We also can find 502132451Sroberto * out if the client can accept both types of messages this way. 503132451Sroberto * 504132451Sroberto * Handle the exception of REQ_CONFIG. It can have two data sizes. 505132451Sroberto */ 506132451Sroberto temp_size = INFO_ITEMSIZE(inpkt->mbz_itemsize); 507132451Sroberto if ((temp_size != proc->sizeofitem && 508200576Sroberto temp_size != proc->v6_sizeofitem) && 509132451Sroberto !(inpkt->implementation == IMPL_XNTPD && 510200576Sroberto inpkt->request == REQ_CONFIG && 511200576Sroberto temp_size == sizeof(struct old_conf_peer))) { 512285612Sdelphij DPRINTF(3, ("process_private: wrong item size, received %d, should be %d or %d\n", 513285612Sdelphij temp_size, proc->sizeofitem, proc->v6_sizeofitem)); 514132451Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 515132451Sroberto return; 516132451Sroberto } 517132451Sroberto if ((proc->sizeofitem != 0) && 518285612Sdelphij ((size_t)(temp_size * INFO_NITEMS(inpkt->err_nitems)) > 519285612Sdelphij (recv_len - REQ_LEN_HDR))) { 520285612Sdelphij DPRINTF(3, ("process_private: not enough data\n")); 521132451Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 522132451Sroberto return; 523132451Sroberto } 524132451Sroberto 525132451Sroberto switch (inpkt->implementation) { 526132451Sroberto case IMPL_XNTPD: 527132451Sroberto client_v6_capable = 1; 528132451Sroberto break; 529132451Sroberto case IMPL_XNTPD_OLD: 530132451Sroberto client_v6_capable = 0; 531132451Sroberto break; 532132451Sroberto default: 533132451Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 534132451Sroberto return; 535132451Sroberto } 536132451Sroberto 537132451Sroberto /* 53854359Sroberto * If we need to authenticate, do so. Note that an 53954359Sroberto * authenticatable packet must include a mac field, must 54054359Sroberto * have used key info_auth_keyid and must have included 54154359Sroberto * a time stamp in the appropriate field. The time stamp 54254359Sroberto * must be within INFO_TS_MAXSKEW of the receive 54354359Sroberto * time stamp. 54454359Sroberto */ 54554359Sroberto if (proc->needs_auth && sys_authenticate) { 546285612Sdelphij 547285612Sdelphij if (recv_len < (REQ_LEN_HDR + 548106163Sroberto (INFO_ITEMSIZE(inpkt->mbz_itemsize) * 549285612Sdelphij INFO_NITEMS(inpkt->err_nitems)) + 550285612Sdelphij REQ_TAIL_MIN)) { 551106163Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 552285612Sdelphij return; 553106163Sroberto } 554106163Sroberto 55554359Sroberto /* 556285612Sdelphij * For 16-octet digests, regardless of itemsize and 557285612Sdelphij * nitems, authenticated requests are a fixed size 558285612Sdelphij * with the timestamp, key ID, and digest located 559285612Sdelphij * at the end of the packet. Because the key ID 560285612Sdelphij * determining the digest size precedes the digest, 561285612Sdelphij * for larger digests the fixed size request scheme 562285612Sdelphij * is abandoned and the timestamp, key ID, and digest 563285612Sdelphij * are located relative to the start of the packet, 564285612Sdelphij * with the digest size determined by the packet size. 56554359Sroberto */ 566285612Sdelphij noslop_len = REQ_LEN_HDR 567285612Sdelphij + INFO_ITEMSIZE(inpkt->mbz_itemsize) * 568285612Sdelphij INFO_NITEMS(inpkt->err_nitems) 569285612Sdelphij + sizeof(inpkt->tstamp); 570285612Sdelphij /* 32-bit alignment */ 571285612Sdelphij noslop_len = (noslop_len + 3) & ~3; 572285612Sdelphij if (recv_len > (noslop_len + MAX_MAC_LEN)) 573285612Sdelphij mac_len = 20; 574285612Sdelphij else 575285612Sdelphij mac_len = recv_len - noslop_len; 576285612Sdelphij 577285612Sdelphij tailinpkt = (void *)((char *)inpkt + recv_len - 578285612Sdelphij (mac_len + sizeof(inpkt->tstamp))); 579285612Sdelphij 580285612Sdelphij /* 581285612Sdelphij * If this guy is restricted from doing this, don't let 582285612Sdelphij * him. If the wrong key was used, or packet doesn't 583285612Sdelphij * have mac, return. 584285612Sdelphij */ 585330567Sgordon /* XXX: Use authistrustedip(), or equivalent. */ 586285612Sdelphij if (!INFO_IS_AUTH(inpkt->auth_seq) || !info_auth_keyid 587106163Sroberto || ntohl(tailinpkt->keyid) != info_auth_keyid) { 588285612Sdelphij DPRINTF(5, ("failed auth %d info_auth_keyid %u pkt keyid %u maclen %lu\n", 589285612Sdelphij INFO_IS_AUTH(inpkt->auth_seq), 590285612Sdelphij info_auth_keyid, 591285612Sdelphij ntohl(tailinpkt->keyid), (u_long)mac_len)); 59254359Sroberto#ifdef DEBUG 593132451Sroberto msyslog(LOG_DEBUG, 594285612Sdelphij "process_private: failed auth %d info_auth_keyid %u pkt keyid %u maclen %lu\n", 595132451Sroberto INFO_IS_AUTH(inpkt->auth_seq), 596285612Sdelphij info_auth_keyid, 597285612Sdelphij ntohl(tailinpkt->keyid), (u_long)mac_len); 59854359Sroberto#endif 59954359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_AUTH); 60054359Sroberto return; 60154359Sroberto } 602285612Sdelphij if (recv_len > REQ_LEN_NOMAC + MAX_MAC_LEN) { 603285612Sdelphij DPRINTF(5, ("bad pkt length %zu\n", recv_len)); 604285612Sdelphij msyslog(LOG_ERR, 605285612Sdelphij "process_private: bad pkt length %zu", 606285612Sdelphij recv_len); 60754359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 60854359Sroberto return; 60954359Sroberto } 61054359Sroberto if (!mod_okay || !authhavekey(info_auth_keyid)) { 611285612Sdelphij DPRINTF(5, ("failed auth mod_okay %d\n", 612285612Sdelphij mod_okay)); 61354359Sroberto#ifdef DEBUG 614132451Sroberto msyslog(LOG_DEBUG, 615132451Sroberto "process_private: failed auth mod_okay %d\n", 616132451Sroberto mod_okay); 61754359Sroberto#endif 618285612Sdelphij if (!mod_okay) { 619285612Sdelphij sys_restricted++; 620285612Sdelphij } 62154359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_AUTH); 62254359Sroberto return; 62354359Sroberto } 62454359Sroberto 62554359Sroberto /* 62654359Sroberto * calculate absolute time difference between xmit time stamp 62754359Sroberto * and receive time stamp. If too large, too bad. 62854359Sroberto */ 629106163Sroberto NTOHL_FP(&tailinpkt->tstamp, &ftmp); 63054359Sroberto L_SUB(&ftmp, &rbufp->recv_time); 63154359Sroberto LFPTOD(&ftmp, dtemp); 632285612Sdelphij if (fabs(dtemp) > INFO_TS_MAXSKEW) { 63354359Sroberto /* 63454359Sroberto * He's a loser. Tell him. 63554359Sroberto */ 636285612Sdelphij DPRINTF(5, ("xmit/rcv timestamp delta %g > INFO_TS_MAXSKEW %g\n", 637285612Sdelphij dtemp, INFO_TS_MAXSKEW)); 63854359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_AUTH); 63954359Sroberto return; 64054359Sroberto } 64154359Sroberto 64254359Sroberto /* 64354359Sroberto * So far so good. See if decryption works out okay. 64454359Sroberto */ 64554359Sroberto if (!authdecrypt(info_auth_keyid, (u_int32 *)inpkt, 646285612Sdelphij recv_len - mac_len, mac_len)) { 647285612Sdelphij DPRINTF(5, ("authdecrypt failed\n")); 64854359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_AUTH); 64954359Sroberto return; 65054359Sroberto } 65154359Sroberto } 65254359Sroberto 653285612Sdelphij DPRINTF(3, ("process_private: all okay, into handler\n")); 65454359Sroberto /* 65554359Sroberto * Packet is okay. Call the handler to send him data. 65654359Sroberto */ 65754359Sroberto (proc->handler)(srcadr, inter, inpkt); 65854359Sroberto} 65954359Sroberto 66054359Sroberto 66154359Sroberto/* 662285612Sdelphij * list_peers - send a list of the peers 66354359Sroberto */ 66454359Srobertostatic void 665285612Sdelphijlist_peers( 666285612Sdelphij sockaddr_u *srcadr, 667285612Sdelphij endpt *inter, 66854359Sroberto struct req_pkt *inpkt 66954359Sroberto ) 67054359Sroberto{ 671294569Sdelphij struct info_peer_list * ip; 672294569Sdelphij const struct peer * pp; 67354359Sroberto 67454359Sroberto ip = (struct info_peer_list *)prepare_pkt(srcadr, inter, inpkt, 675132451Sroberto v6sizeof(struct info_peer_list)); 676285612Sdelphij for (pp = peer_list; pp != NULL && ip != NULL; pp = pp->p_link) { 677285612Sdelphij if (IS_IPV6(&pp->srcadr)) { 678294569Sdelphij if (!client_v6_capable) 679294569Sdelphij continue; 680294569Sdelphij ip->addr6 = SOCK_ADDR6(&pp->srcadr); 681294569Sdelphij ip->v6_flag = 1; 682285612Sdelphij } else { 683285612Sdelphij ip->addr = NSRCADR(&pp->srcadr); 684285612Sdelphij if (client_v6_capable) 685285612Sdelphij ip->v6_flag = 0; 686285612Sdelphij } 687132451Sroberto 688294569Sdelphij ip->port = NSRCPORT(&pp->srcadr); 689294569Sdelphij ip->hmode = pp->hmode; 690294569Sdelphij ip->flags = 0; 691294569Sdelphij if (pp->flags & FLAG_CONFIG) 692294569Sdelphij ip->flags |= INFO_FLAG_CONFIG; 693294569Sdelphij if (pp == sys_peer) 694294569Sdelphij ip->flags |= INFO_FLAG_SYSPEER; 695294569Sdelphij if (pp->status == CTL_PST_SEL_SYNCCAND) 696294569Sdelphij ip->flags |= INFO_FLAG_SEL_CANDIDATE; 697294569Sdelphij if (pp->status >= CTL_PST_SEL_SYSPEER) 698294569Sdelphij ip->flags |= INFO_FLAG_SHORTLIST; 699294569Sdelphij ip = (struct info_peer_list *)more_pkt(); 700285612Sdelphij } /* for pp */ 701285612Sdelphij 70254359Sroberto flush_pkt(); 70354359Sroberto} 70454359Sroberto 70554359Sroberto 70654359Sroberto/* 707285612Sdelphij * list_peers_sum - return extended peer list 70854359Sroberto */ 70954359Srobertostatic void 710285612Sdelphijlist_peers_sum( 711285612Sdelphij sockaddr_u *srcadr, 712285612Sdelphij endpt *inter, 71354359Sroberto struct req_pkt *inpkt 71454359Sroberto ) 71554359Sroberto{ 716294569Sdelphij struct info_peer_summary * ips; 717294569Sdelphij const struct peer * pp; 718294569Sdelphij l_fp ltmp; 71954359Sroberto 720285612Sdelphij DPRINTF(3, ("wants peer list summary\n")); 721285612Sdelphij 72254359Sroberto ips = (struct info_peer_summary *)prepare_pkt(srcadr, inter, inpkt, 723132451Sroberto v6sizeof(struct info_peer_summary)); 724285612Sdelphij for (pp = peer_list; pp != NULL && ips != NULL; pp = pp->p_link) { 725285612Sdelphij DPRINTF(4, ("sum: got one\n")); 726285612Sdelphij /* 727285612Sdelphij * Be careful here not to return v6 peers when we 728285612Sdelphij * want only v4. 729285612Sdelphij */ 730285612Sdelphij if (IS_IPV6(&pp->srcadr)) { 731294569Sdelphij if (!client_v6_capable) 732294569Sdelphij continue; 733294569Sdelphij ips->srcadr6 = SOCK_ADDR6(&pp->srcadr); 734294569Sdelphij ips->v6_flag = 1; 735294569Sdelphij if (pp->dstadr) 736294569Sdelphij ips->dstadr6 = SOCK_ADDR6(&pp->dstadr->sin); 737294569Sdelphij else 738294569Sdelphij ZERO(ips->dstadr6); 739285612Sdelphij } else { 740285612Sdelphij ips->srcadr = NSRCADR(&pp->srcadr); 741285612Sdelphij if (client_v6_capable) 742285612Sdelphij ips->v6_flag = 0; 743182007Sroberto 744285612Sdelphij if (pp->dstadr) { 745285612Sdelphij if (!pp->processed) 746285612Sdelphij ips->dstadr = NSRCADR(&pp->dstadr->sin); 747285612Sdelphij else { 748285612Sdelphij if (MDF_BCAST == pp->cast_flags) 749285612Sdelphij ips->dstadr = NSRCADR(&pp->dstadr->bcast); 750285612Sdelphij else if (pp->cast_flags) { 751285612Sdelphij ips->dstadr = NSRCADR(&pp->dstadr->sin); 752285612Sdelphij if (!ips->dstadr) 753285612Sdelphij ips->dstadr = NSRCADR(&pp->dstadr->bcast); 754285612Sdelphij } 755285612Sdelphij } 756294569Sdelphij } else { 757285612Sdelphij ips->dstadr = 0; 758294569Sdelphij } 75954359Sroberto } 760285612Sdelphij 761294569Sdelphij ips->srcport = NSRCPORT(&pp->srcadr); 762294569Sdelphij ips->stratum = pp->stratum; 763294569Sdelphij ips->hpoll = pp->hpoll; 764294569Sdelphij ips->ppoll = pp->ppoll; 765294569Sdelphij ips->reach = pp->reach; 766294569Sdelphij ips->flags = 0; 767294569Sdelphij if (pp == sys_peer) 768294569Sdelphij ips->flags |= INFO_FLAG_SYSPEER; 769294569Sdelphij if (pp->flags & FLAG_CONFIG) 770294569Sdelphij ips->flags |= INFO_FLAG_CONFIG; 771294569Sdelphij if (pp->flags & FLAG_REFCLOCK) 772294569Sdelphij ips->flags |= INFO_FLAG_REFCLOCK; 773294569Sdelphij if (pp->flags & FLAG_PREFER) 774294569Sdelphij ips->flags |= INFO_FLAG_PREFER; 775294569Sdelphij if (pp->flags & FLAG_BURST) 776294569Sdelphij ips->flags |= INFO_FLAG_BURST; 777294569Sdelphij if (pp->status == CTL_PST_SEL_SYNCCAND) 778294569Sdelphij ips->flags |= INFO_FLAG_SEL_CANDIDATE; 779294569Sdelphij if (pp->status >= CTL_PST_SEL_SYSPEER) 780294569Sdelphij ips->flags |= INFO_FLAG_SHORTLIST; 781294569Sdelphij ips->hmode = pp->hmode; 782294569Sdelphij ips->delay = HTONS_FP(DTOFP(pp->delay)); 783294569Sdelphij DTOLFP(pp->offset, <mp); 784294569Sdelphij HTONL_FP(<mp, &ips->offset); 785294569Sdelphij ips->dispersion = HTONS_FP(DTOUFP(SQRT(pp->disp))); 786294569Sdelphij 787285612Sdelphij ips = (struct info_peer_summary *)more_pkt(); 788285612Sdelphij } /* for pp */ 789285612Sdelphij 79054359Sroberto flush_pkt(); 79154359Sroberto} 79254359Sroberto 79354359Sroberto 79454359Sroberto/* 79554359Sroberto * peer_info - send information for one or more peers 79654359Sroberto */ 79754359Srobertostatic void 79854359Srobertopeer_info ( 799285612Sdelphij sockaddr_u *srcadr, 800285612Sdelphij endpt *inter, 80154359Sroberto struct req_pkt *inpkt 80254359Sroberto ) 80354359Sroberto{ 804285612Sdelphij u_short items; 805285612Sdelphij size_t item_sz; 806285612Sdelphij char * datap; 807285612Sdelphij struct info_peer_list ipl; 808285612Sdelphij struct peer * pp; 809285612Sdelphij struct info_peer * ip; 810285612Sdelphij int i; 811285612Sdelphij int j; 812285612Sdelphij sockaddr_u addr; 813285612Sdelphij l_fp ltmp; 81454359Sroberto 81554359Sroberto items = INFO_NITEMS(inpkt->err_nitems); 816285612Sdelphij item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize); 817285612Sdelphij datap = inpkt->u.data; 818285612Sdelphij if (item_sz != sizeof(ipl)) { 819285612Sdelphij req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 820285612Sdelphij return; 821285612Sdelphij } 822285612Sdelphij ip = prepare_pkt(srcadr, inter, inpkt, 823285612Sdelphij v6sizeof(struct info_peer)); 824285612Sdelphij while (items-- > 0 && ip != NULL) { 825285612Sdelphij ZERO(ipl); 826285612Sdelphij memcpy(&ipl, datap, item_sz); 827285612Sdelphij ZERO_SOCK(&addr); 828285612Sdelphij NSRCPORT(&addr) = ipl.port; 829285612Sdelphij if (client_v6_capable && ipl.v6_flag) { 830285612Sdelphij AF(&addr) = AF_INET6; 831285612Sdelphij SOCK_ADDR6(&addr) = ipl.addr6; 832132451Sroberto } else { 833285612Sdelphij AF(&addr) = AF_INET; 834285612Sdelphij NSRCADR(&addr) = ipl.addr; 835132451Sroberto } 836285612Sdelphij#ifdef ISC_PLATFORM_HAVESALEN 837285612Sdelphij addr.sa.sa_len = SOCKLEN(&addr); 838132451Sroberto#endif 839285612Sdelphij datap += item_sz; 840285612Sdelphij 841330567Sgordon pp = findexistingpeer(&addr, NULL, NULL, -1, 0, NULL); 842285612Sdelphij if (NULL == pp) 843285612Sdelphij continue; 844285612Sdelphij if (IS_IPV6(srcadr)) { 845182007Sroberto if (pp->dstadr) 846285612Sdelphij ip->dstadr6 = 847285612Sdelphij (MDF_BCAST == pp->cast_flags) 848285612Sdelphij ? SOCK_ADDR6(&pp->dstadr->bcast) 849285612Sdelphij : SOCK_ADDR6(&pp->dstadr->sin); 850182007Sroberto else 851285612Sdelphij ZERO(ip->dstadr6); 852182007Sroberto 853285612Sdelphij ip->srcadr6 = SOCK_ADDR6(&pp->srcadr); 854132451Sroberto ip->v6_flag = 1; 855132451Sroberto } else { 856285612Sdelphij if (pp->dstadr) { 857285612Sdelphij if (!pp->processed) 858285612Sdelphij ip->dstadr = NSRCADR(&pp->dstadr->sin); 859285612Sdelphij else { 860285612Sdelphij if (MDF_BCAST == pp->cast_flags) 861285612Sdelphij ip->dstadr = NSRCADR(&pp->dstadr->bcast); 862285612Sdelphij else if (pp->cast_flags) { 863285612Sdelphij ip->dstadr = NSRCADR(&pp->dstadr->sin); 864285612Sdelphij if (!ip->dstadr) 865285612Sdelphij ip->dstadr = NSRCADR(&pp->dstadr->bcast); 866285612Sdelphij } 867285612Sdelphij } 868285612Sdelphij } else 869285612Sdelphij ip->dstadr = 0; 870132451Sroberto 871285612Sdelphij ip->srcadr = NSRCADR(&pp->srcadr); 872132451Sroberto if (client_v6_capable) 873132451Sroberto ip->v6_flag = 0; 874132451Sroberto } 87554359Sroberto ip->srcport = NSRCPORT(&pp->srcadr); 87654359Sroberto ip->flags = 0; 87754359Sroberto if (pp == sys_peer) 878285612Sdelphij ip->flags |= INFO_FLAG_SYSPEER; 87954359Sroberto if (pp->flags & FLAG_CONFIG) 880285612Sdelphij ip->flags |= INFO_FLAG_CONFIG; 88154359Sroberto if (pp->flags & FLAG_REFCLOCK) 882285612Sdelphij ip->flags |= INFO_FLAG_REFCLOCK; 88354359Sroberto if (pp->flags & FLAG_PREFER) 884285612Sdelphij ip->flags |= INFO_FLAG_PREFER; 88554359Sroberto if (pp->flags & FLAG_BURST) 886285612Sdelphij ip->flags |= INFO_FLAG_BURST; 88754359Sroberto if (pp->status == CTL_PST_SEL_SYNCCAND) 888285612Sdelphij ip->flags |= INFO_FLAG_SEL_CANDIDATE; 88954359Sroberto if (pp->status >= CTL_PST_SEL_SYSPEER) 890285612Sdelphij ip->flags |= INFO_FLAG_SHORTLIST; 89154359Sroberto ip->leap = pp->leap; 89254359Sroberto ip->hmode = pp->hmode; 89354359Sroberto ip->keyid = pp->keyid; 89454359Sroberto ip->stratum = pp->stratum; 89554359Sroberto ip->ppoll = pp->ppoll; 89654359Sroberto ip->hpoll = pp->hpoll; 89754359Sroberto ip->precision = pp->precision; 89854359Sroberto ip->version = pp->version; 89954359Sroberto ip->reach = pp->reach; 900285612Sdelphij ip->unreach = (u_char)pp->unreach; 90154359Sroberto ip->flash = (u_char)pp->flash; 902285612Sdelphij ip->flash2 = (u_short)pp->flash; 903285612Sdelphij ip->estbdelay = HTONS_FP(DTOFP(pp->delay)); 904285612Sdelphij ip->ttl = (u_char)pp->ttl; 90554359Sroberto ip->associd = htons(pp->associd); 90654359Sroberto ip->rootdelay = HTONS_FP(DTOUFP(pp->rootdelay)); 907285612Sdelphij ip->rootdispersion = HTONS_FP(DTOUFP(pp->rootdisp)); 90854359Sroberto ip->refid = pp->refid; 90954359Sroberto HTONL_FP(&pp->reftime, &ip->reftime); 910285612Sdelphij HTONL_FP(&pp->aorg, &ip->org); 91154359Sroberto HTONL_FP(&pp->rec, &ip->rec); 91254359Sroberto HTONL_FP(&pp->xmt, &ip->xmt); 91354359Sroberto j = pp->filter_nextpt - 1; 91454359Sroberto for (i = 0; i < NTP_SHIFT; i++, j--) { 91554359Sroberto if (j < 0) 916285612Sdelphij j = NTP_SHIFT-1; 91754359Sroberto ip->filtdelay[i] = HTONS_FP(DTOFP(pp->filter_delay[j])); 91854359Sroberto DTOLFP(pp->filter_offset[j], <mp); 91954359Sroberto HTONL_FP(<mp, &ip->filtoffset[i]); 920285612Sdelphij ip->order[i] = (u_char)((pp->filter_nextpt + 921285612Sdelphij NTP_SHIFT - 1) - 922285612Sdelphij pp->filter_order[i]); 92354359Sroberto if (ip->order[i] >= NTP_SHIFT) 924285612Sdelphij ip->order[i] -= NTP_SHIFT; 92554359Sroberto } 92654359Sroberto DTOLFP(pp->offset, <mp); 92754359Sroberto HTONL_FP(<mp, &ip->offset); 92854359Sroberto ip->delay = HTONS_FP(DTOFP(pp->delay)); 92954359Sroberto ip->dispersion = HTONS_FP(DTOUFP(SQRT(pp->disp))); 93082498Sroberto ip->selectdisp = HTONS_FP(DTOUFP(SQRT(pp->jitter))); 931285612Sdelphij ip = more_pkt(); 93254359Sroberto } 93354359Sroberto flush_pkt(); 93454359Sroberto} 93554359Sroberto 93654359Sroberto 93754359Sroberto/* 93854359Sroberto * peer_stats - send statistics for one or more peers 93954359Sroberto */ 94054359Srobertostatic void 94154359Srobertopeer_stats ( 942285612Sdelphij sockaddr_u *srcadr, 943285612Sdelphij endpt *inter, 94454359Sroberto struct req_pkt *inpkt 94554359Sroberto ) 94654359Sroberto{ 947285612Sdelphij u_short items; 948285612Sdelphij size_t item_sz; 949285612Sdelphij char * datap; 950285612Sdelphij struct info_peer_list ipl; 951285612Sdelphij struct peer * pp; 952285612Sdelphij struct info_peer_stats *ip; 953285612Sdelphij sockaddr_u addr; 95454359Sroberto 955285612Sdelphij DPRINTF(1, ("peer_stats: called\n")); 95654359Sroberto items = INFO_NITEMS(inpkt->err_nitems); 957285612Sdelphij item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize); 958285612Sdelphij datap = inpkt->u.data; 959285612Sdelphij if (item_sz > sizeof(ipl)) { 960285612Sdelphij req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 961285612Sdelphij return; 962285612Sdelphij } 963285612Sdelphij ip = prepare_pkt(srcadr, inter, inpkt, 964285612Sdelphij v6sizeof(struct info_peer_stats)); 965285612Sdelphij while (items-- > 0 && ip != NULL) { 966285612Sdelphij ZERO(ipl); 967285612Sdelphij memcpy(&ipl, datap, item_sz); 968285612Sdelphij ZERO(addr); 969285612Sdelphij NSRCPORT(&addr) = ipl.port; 970285612Sdelphij if (client_v6_capable && ipl.v6_flag) { 971285612Sdelphij AF(&addr) = AF_INET6; 972285612Sdelphij SOCK_ADDR6(&addr) = ipl.addr6; 973132451Sroberto } else { 974285612Sdelphij AF(&addr) = AF_INET; 975285612Sdelphij NSRCADR(&addr) = ipl.addr; 976132451Sroberto } 977285612Sdelphij#ifdef ISC_PLATFORM_HAVESALEN 978285612Sdelphij addr.sa.sa_len = SOCKLEN(&addr); 979132451Sroberto#endif 980285612Sdelphij DPRINTF(1, ("peer_stats: looking for %s, %d, %d\n", 981285612Sdelphij stoa(&addr), ipl.port, NSRCPORT(&addr))); 982132451Sroberto 983285612Sdelphij datap += item_sz; 984285612Sdelphij 985330567Sgordon pp = findexistingpeer(&addr, NULL, NULL, -1, 0, NULL); 986285612Sdelphij if (NULL == pp) 987285612Sdelphij continue; 988285612Sdelphij 989285612Sdelphij DPRINTF(1, ("peer_stats: found %s\n", stoa(&addr))); 990285612Sdelphij 991285612Sdelphij if (IS_IPV4(&pp->srcadr)) { 992285612Sdelphij if (pp->dstadr) { 993285612Sdelphij if (!pp->processed) 994285612Sdelphij ip->dstadr = NSRCADR(&pp->dstadr->sin); 995285612Sdelphij else { 996285612Sdelphij if (MDF_BCAST == pp->cast_flags) 997285612Sdelphij ip->dstadr = NSRCADR(&pp->dstadr->bcast); 998285612Sdelphij else if (pp->cast_flags) { 999285612Sdelphij ip->dstadr = NSRCADR(&pp->dstadr->sin); 1000285612Sdelphij if (!ip->dstadr) 1001285612Sdelphij ip->dstadr = NSRCADR(&pp->dstadr->bcast); 1002285612Sdelphij } 1003285612Sdelphij } 1004285612Sdelphij } else 1005285612Sdelphij ip->dstadr = 0; 1006182007Sroberto 1007285612Sdelphij ip->srcadr = NSRCADR(&pp->srcadr); 1008132451Sroberto if (client_v6_capable) 1009132451Sroberto ip->v6_flag = 0; 1010132451Sroberto } else { 1011182007Sroberto if (pp->dstadr) 1012285612Sdelphij ip->dstadr6 = 1013285612Sdelphij (MDF_BCAST == pp->cast_flags) 1014285612Sdelphij ? SOCK_ADDR6(&pp->dstadr->bcast) 1015285612Sdelphij : SOCK_ADDR6(&pp->dstadr->sin); 1016182007Sroberto else 1017285612Sdelphij ZERO(ip->dstadr6); 1018285612Sdelphij 1019285612Sdelphij ip->srcadr6 = SOCK_ADDR6(&pp->srcadr); 1020132451Sroberto ip->v6_flag = 1; 1021132451Sroberto } 102254359Sroberto ip->srcport = NSRCPORT(&pp->srcadr); 102354359Sroberto ip->flags = 0; 102454359Sroberto if (pp == sys_peer) 102554359Sroberto ip->flags |= INFO_FLAG_SYSPEER; 102654359Sroberto if (pp->flags & FLAG_CONFIG) 102754359Sroberto ip->flags |= INFO_FLAG_CONFIG; 102854359Sroberto if (pp->flags & FLAG_REFCLOCK) 102954359Sroberto ip->flags |= INFO_FLAG_REFCLOCK; 103054359Sroberto if (pp->flags & FLAG_PREFER) 103154359Sroberto ip->flags |= INFO_FLAG_PREFER; 103254359Sroberto if (pp->flags & FLAG_BURST) 103354359Sroberto ip->flags |= INFO_FLAG_BURST; 1034182007Sroberto if (pp->flags & FLAG_IBURST) 1035182007Sroberto ip->flags |= INFO_FLAG_IBURST; 103654359Sroberto if (pp->status == CTL_PST_SEL_SYNCCAND) 103754359Sroberto ip->flags |= INFO_FLAG_SEL_CANDIDATE; 103854359Sroberto if (pp->status >= CTL_PST_SEL_SYSPEER) 103954359Sroberto ip->flags |= INFO_FLAG_SHORTLIST; 1040182007Sroberto ip->flags = htons(ip->flags); 104154359Sroberto ip->timereceived = htonl((u_int32)(current_time - pp->timereceived)); 104254359Sroberto ip->timetosend = htonl(pp->nextdate - current_time); 104354359Sroberto ip->timereachable = htonl((u_int32)(current_time - pp->timereachable)); 104454359Sroberto ip->sent = htonl((u_int32)(pp->sent)); 104554359Sroberto ip->processed = htonl((u_int32)(pp->processed)); 104654359Sroberto ip->badauth = htonl((u_int32)(pp->badauth)); 104754359Sroberto ip->bogusorg = htonl((u_int32)(pp->bogusorg)); 104854359Sroberto ip->oldpkt = htonl((u_int32)(pp->oldpkt)); 104954359Sroberto ip->seldisp = htonl((u_int32)(pp->seldisptoolarge)); 105054359Sroberto ip->selbroken = htonl((u_int32)(pp->selbroken)); 105154359Sroberto ip->candidate = pp->status; 105254359Sroberto ip = (struct info_peer_stats *)more_pkt(); 105354359Sroberto } 105454359Sroberto flush_pkt(); 105554359Sroberto} 105654359Sroberto 105754359Sroberto 105854359Sroberto/* 105954359Sroberto * sys_info - return system info 106054359Sroberto */ 106154359Srobertostatic void 106254359Srobertosys_info( 1063285612Sdelphij sockaddr_u *srcadr, 1064285612Sdelphij endpt *inter, 106554359Sroberto struct req_pkt *inpkt 106654359Sroberto ) 106754359Sroberto{ 106854359Sroberto register struct info_sys *is; 106954359Sroberto 107054359Sroberto is = (struct info_sys *)prepare_pkt(srcadr, inter, inpkt, 1071132451Sroberto v6sizeof(struct info_sys)); 107254359Sroberto 1073285612Sdelphij if (sys_peer) { 1074285612Sdelphij if (IS_IPV4(&sys_peer->srcadr)) { 1075285612Sdelphij is->peer = NSRCADR(&sys_peer->srcadr); 1076132451Sroberto if (client_v6_capable) 1077132451Sroberto is->v6_flag = 0; 1078132451Sroberto } else if (client_v6_capable) { 1079285612Sdelphij is->peer6 = SOCK_ADDR6(&sys_peer->srcadr); 1080132451Sroberto is->v6_flag = 1; 1081132451Sroberto } 108254359Sroberto is->peer_mode = sys_peer->hmode; 108354359Sroberto } else { 108454359Sroberto is->peer = 0; 1085132451Sroberto if (client_v6_capable) { 1086132451Sroberto is->v6_flag = 0; 1087132451Sroberto } 108854359Sroberto is->peer_mode = 0; 108954359Sroberto } 1090132451Sroberto 109154359Sroberto is->leap = sys_leap; 109254359Sroberto is->stratum = sys_stratum; 109354359Sroberto is->precision = sys_precision; 109454359Sroberto is->rootdelay = htonl(DTOFP(sys_rootdelay)); 1095285612Sdelphij is->rootdispersion = htonl(DTOUFP(sys_rootdisp)); 109682498Sroberto is->frequency = htonl(DTOFP(sys_jitter)); 1097285612Sdelphij is->stability = htonl(DTOUFP(clock_stability * 1e6)); 109854359Sroberto is->refid = sys_refid; 109954359Sroberto HTONL_FP(&sys_reftime, &is->reftime); 110054359Sroberto 110154359Sroberto is->poll = sys_poll; 110254359Sroberto 110354359Sroberto is->flags = 0; 1104106163Sroberto if (sys_authenticate) 1105106163Sroberto is->flags |= INFO_FLAG_AUTHENTICATE; 110654359Sroberto if (sys_bclient) 1107106163Sroberto is->flags |= INFO_FLAG_BCLIENT; 1108106163Sroberto#ifdef REFCLOCK 1109106163Sroberto if (cal_enable) 1110106163Sroberto is->flags |= INFO_FLAG_CAL; 1111106163Sroberto#endif /* REFCLOCK */ 111254359Sroberto if (kern_enable) 1113106163Sroberto is->flags |= INFO_FLAG_KERNEL; 1114106163Sroberto if (mon_enabled != MON_OFF) 1115106163Sroberto is->flags |= INFO_FLAG_MONITOR; 111654359Sroberto if (ntp_enable) 1117106163Sroberto is->flags |= INFO_FLAG_NTP; 1118285612Sdelphij if (hardpps_enable) 1119106163Sroberto is->flags |= INFO_FLAG_PPS_SYNC; 112054359Sroberto if (stats_control) 1121106163Sroberto is->flags |= INFO_FLAG_FILEGEN; 112254359Sroberto is->bdelay = HTONS_FP(DTOFP(sys_bdelay)); 1123285612Sdelphij HTONL_UF(sys_authdelay.l_uf, &is->authdelay); 112454359Sroberto (void) more_pkt(); 112554359Sroberto flush_pkt(); 112654359Sroberto} 112754359Sroberto 112854359Sroberto 112954359Sroberto/* 113054359Sroberto * sys_stats - return system statistics 113154359Sroberto */ 113254359Srobertostatic void 113354359Srobertosys_stats( 1134285612Sdelphij sockaddr_u *srcadr, 1135285612Sdelphij endpt *inter, 113654359Sroberto struct req_pkt *inpkt 113754359Sroberto ) 113854359Sroberto{ 113954359Sroberto register struct info_sys_stats *ss; 114054359Sroberto 114154359Sroberto ss = (struct info_sys_stats *)prepare_pkt(srcadr, inter, inpkt, 1142132451Sroberto sizeof(struct info_sys_stats)); 114354359Sroberto ss->timeup = htonl((u_int32)current_time); 114454359Sroberto ss->timereset = htonl((u_int32)(current_time - sys_stattime)); 1145132451Sroberto ss->denied = htonl((u_int32)sys_restricted); 1146285612Sdelphij ss->oldversionpkt = htonl((u_int32)sys_oldversion); 1147285612Sdelphij ss->newversionpkt = htonl((u_int32)sys_newversion); 1148285612Sdelphij ss->unknownversion = htonl((u_int32)sys_declined); 114954359Sroberto ss->badlength = htonl((u_int32)sys_badlength); 115054359Sroberto ss->processed = htonl((u_int32)sys_processed); 115154359Sroberto ss->badauth = htonl((u_int32)sys_badauth); 115254359Sroberto ss->limitrejected = htonl((u_int32)sys_limitrejected); 1153132451Sroberto ss->received = htonl((u_int32)sys_received); 1154330567Sgordon ss->lamport = htonl((u_int32)sys_lamport); 1155330567Sgordon ss->tsrounding = htonl((u_int32)sys_tsrounding); 115654359Sroberto (void) more_pkt(); 115754359Sroberto flush_pkt(); 115854359Sroberto} 115954359Sroberto 116054359Sroberto 116154359Sroberto/* 116254359Sroberto * mem_stats - return memory statistics 116354359Sroberto */ 116454359Srobertostatic void 116554359Srobertomem_stats( 1166285612Sdelphij sockaddr_u *srcadr, 1167285612Sdelphij endpt *inter, 116854359Sroberto struct req_pkt *inpkt 116954359Sroberto ) 117054359Sroberto{ 117154359Sroberto register struct info_mem_stats *ms; 117254359Sroberto register int i; 117354359Sroberto 117454359Sroberto ms = (struct info_mem_stats *)prepare_pkt(srcadr, inter, inpkt, 117554359Sroberto sizeof(struct info_mem_stats)); 117654359Sroberto 117754359Sroberto ms->timereset = htonl((u_int32)(current_time - peer_timereset)); 117854359Sroberto ms->totalpeermem = htons((u_short)total_peer_structs); 117954359Sroberto ms->freepeermem = htons((u_short)peer_free_count); 118054359Sroberto ms->findpeer_calls = htonl((u_int32)findpeer_calls); 118154359Sroberto ms->allocations = htonl((u_int32)peer_allocations); 118254359Sroberto ms->demobilizations = htonl((u_int32)peer_demobilizations); 118354359Sroberto 1184285612Sdelphij for (i = 0; i < NTP_HASH_SIZE; i++) 1185285612Sdelphij ms->hashcount[i] = (u_char) 1186285612Sdelphij max((u_int)peer_hash_count[i], UCHAR_MAX); 118754359Sroberto 1188294569Sdelphij (void) more_pkt(); 118954359Sroberto flush_pkt(); 119054359Sroberto} 119154359Sroberto 119254359Sroberto 119354359Sroberto/* 119454359Sroberto * io_stats - return io statistics 119554359Sroberto */ 119654359Srobertostatic void 119754359Srobertoio_stats( 1198285612Sdelphij sockaddr_u *srcadr, 1199285612Sdelphij endpt *inter, 120054359Sroberto struct req_pkt *inpkt 120154359Sroberto ) 120254359Sroberto{ 1203285612Sdelphij struct info_io_stats *io; 120454359Sroberto 120554359Sroberto io = (struct info_io_stats *)prepare_pkt(srcadr, inter, inpkt, 120654359Sroberto sizeof(struct info_io_stats)); 120754359Sroberto 120854359Sroberto io->timereset = htonl((u_int32)(current_time - io_timereset)); 120954359Sroberto io->totalrecvbufs = htons((u_short) total_recvbuffs()); 121054359Sroberto io->freerecvbufs = htons((u_short) free_recvbuffs()); 121154359Sroberto io->fullrecvbufs = htons((u_short) full_recvbuffs()); 121254359Sroberto io->lowwater = htons((u_short) lowater_additions()); 121354359Sroberto io->dropped = htonl((u_int32)packets_dropped); 121454359Sroberto io->ignored = htonl((u_int32)packets_ignored); 121554359Sroberto io->received = htonl((u_int32)packets_received); 121654359Sroberto io->sent = htonl((u_int32)packets_sent); 121754359Sroberto io->notsent = htonl((u_int32)packets_notsent); 121854359Sroberto io->interrupts = htonl((u_int32)handler_calls); 121954359Sroberto io->int_received = htonl((u_int32)handler_pkts); 122054359Sroberto 122154359Sroberto (void) more_pkt(); 122254359Sroberto flush_pkt(); 122354359Sroberto} 122454359Sroberto 122554359Sroberto 122654359Sroberto/* 122754359Sroberto * timer_stats - return timer statistics 122854359Sroberto */ 122954359Srobertostatic void 123054359Srobertotimer_stats( 1231285612Sdelphij sockaddr_u * srcadr, 1232285612Sdelphij endpt * inter, 1233285612Sdelphij struct req_pkt * inpkt 123454359Sroberto ) 123554359Sroberto{ 1236285612Sdelphij struct info_timer_stats * ts; 1237285612Sdelphij u_long sincereset; 123854359Sroberto 1239285612Sdelphij ts = (struct info_timer_stats *)prepare_pkt(srcadr, inter, 1240285612Sdelphij inpkt, sizeof(*ts)); 124154359Sroberto 1242285612Sdelphij sincereset = current_time - timer_timereset; 1243285612Sdelphij ts->timereset = htonl((u_int32)sincereset); 1244285612Sdelphij ts->alarms = ts->timereset; 1245285612Sdelphij ts->overflows = htonl((u_int32)alarm_overflow); 124654359Sroberto ts->xmtcalls = htonl((u_int32)timer_xmtcalls); 124754359Sroberto 124854359Sroberto (void) more_pkt(); 124954359Sroberto flush_pkt(); 125054359Sroberto} 125154359Sroberto 125254359Sroberto 125354359Sroberto/* 125454359Sroberto * loop_info - return the current state of the loop filter 125554359Sroberto */ 125654359Srobertostatic void 125754359Srobertoloop_info( 1258285612Sdelphij sockaddr_u *srcadr, 1259285612Sdelphij endpt *inter, 126054359Sroberto struct req_pkt *inpkt 126154359Sroberto ) 126254359Sroberto{ 1263285612Sdelphij struct info_loop *li; 126454359Sroberto l_fp ltmp; 126554359Sroberto 126654359Sroberto li = (struct info_loop *)prepare_pkt(srcadr, inter, inpkt, 126754359Sroberto sizeof(struct info_loop)); 126854359Sroberto 126954359Sroberto DTOLFP(last_offset, <mp); 127054359Sroberto HTONL_FP(<mp, &li->last_offset); 127154359Sroberto DTOLFP(drift_comp * 1e6, <mp); 127254359Sroberto HTONL_FP(<mp, &li->drift_comp); 127354359Sroberto li->compliance = htonl((u_int32)(tc_counter)); 1274285612Sdelphij li->watchdog_timer = htonl((u_int32)(current_time - sys_epoch)); 127554359Sroberto 1276294569Sdelphij (void) more_pkt(); 127754359Sroberto flush_pkt(); 127854359Sroberto} 127954359Sroberto 128054359Sroberto 128154359Sroberto/* 128254359Sroberto * do_conf - add a peer to the configuration list 128354359Sroberto */ 128454359Srobertostatic void 128554359Srobertodo_conf( 1286285612Sdelphij sockaddr_u *srcadr, 1287285612Sdelphij endpt *inter, 128854359Sroberto struct req_pkt *inpkt 128954359Sroberto ) 129054359Sroberto{ 1291285612Sdelphij u_short items; 1292285612Sdelphij size_t item_sz; 1293285612Sdelphij u_int fl; 1294285612Sdelphij char * datap; 1295285612Sdelphij struct conf_peer temp_cp; 1296285612Sdelphij sockaddr_u peeraddr; 129754359Sroberto 129854359Sroberto /* 129954359Sroberto * Do a check of everything to see that it looks 130054359Sroberto * okay. If not, complain about it. Note we are 130154359Sroberto * very picky here. 130254359Sroberto */ 130354359Sroberto items = INFO_NITEMS(inpkt->err_nitems); 1304285612Sdelphij item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize); 1305285612Sdelphij datap = inpkt->u.data; 1306285612Sdelphij if (item_sz > sizeof(temp_cp)) { 130754359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 130854359Sroberto return; 130954359Sroberto } 131054359Sroberto 1311132451Sroberto while (items-- > 0) { 1312285612Sdelphij ZERO(temp_cp); 1313285612Sdelphij memcpy(&temp_cp, datap, item_sz); 1314285612Sdelphij ZERO_SOCK(&peeraddr); 1315132451Sroberto 1316132451Sroberto fl = 0; 1317132451Sroberto if (temp_cp.flags & CONF_FLAG_PREFER) 1318182007Sroberto fl |= FLAG_PREFER; 1319132451Sroberto if (temp_cp.flags & CONF_FLAG_BURST) 1320285612Sdelphij fl |= FLAG_BURST; 1321182007Sroberto if (temp_cp.flags & CONF_FLAG_IBURST) 1322285612Sdelphij fl |= FLAG_IBURST; 1323285612Sdelphij#ifdef AUTOKEY 1324132451Sroberto if (temp_cp.flags & CONF_FLAG_SKEY) 1325132451Sroberto fl |= FLAG_SKEY; 1326285612Sdelphij#endif /* AUTOKEY */ 1327285612Sdelphij if (client_v6_capable && temp_cp.v6_flag) { 1328285612Sdelphij AF(&peeraddr) = AF_INET6; 1329285612Sdelphij SOCK_ADDR6(&peeraddr) = temp_cp.peeraddr6; 1330132451Sroberto } else { 1331285612Sdelphij AF(&peeraddr) = AF_INET; 1332285612Sdelphij NSRCADR(&peeraddr) = temp_cp.peeraddr; 1333132451Sroberto /* 1334132451Sroberto * Make sure the address is valid 1335132451Sroberto */ 1336285612Sdelphij if (!ISREFCLOCKADR(&peeraddr) && 1337285612Sdelphij ISBADADR(&peeraddr)) { 1338132451Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 1339132451Sroberto return; 1340132451Sroberto } 1341132451Sroberto 1342132451Sroberto } 1343132451Sroberto NSRCPORT(&peeraddr) = htons(NTP_PORT); 1344285612Sdelphij#ifdef ISC_PLATFORM_HAVESALEN 1345285612Sdelphij peeraddr.sa.sa_len = SOCKLEN(&peeraddr); 134682498Sroberto#endif 134754359Sroberto 1348298770Sdelphij /* check mode value: 0 <= hmode <= 6 1349298770Sdelphij * 1350298770Sdelphij * There's no good global define for that limit, and 1351298770Sdelphij * using a magic define is as good (or bad, actually) as 1352298770Sdelphij * a magic number. So we use the highest possible peer 1353298770Sdelphij * mode, and that is MODE_BCLIENT. 1354298770Sdelphij * 1355298770Sdelphij * [Bug 3009] claims that a problem occurs for hmode > 7, 1356298770Sdelphij * but the code in ntp_peer.c indicates trouble for any 1357298770Sdelphij * hmode > 6 ( --> MODE_BCLIENT). 1358298770Sdelphij */ 1359298770Sdelphij if (temp_cp.hmode > MODE_BCLIENT) { 1360298770Sdelphij req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 1361298770Sdelphij return; 1362298770Sdelphij } 1363298770Sdelphij 1364298770Sdelphij /* Any more checks on the values? Unchecked at this 1365298770Sdelphij * point: 1366298770Sdelphij * - version 1367298770Sdelphij * - ttl 1368298770Sdelphij * - keyid 1369298770Sdelphij * 1370298770Sdelphij * - minpoll/maxpoll, but they are treated properly 1371298770Sdelphij * for all cases internally. Checking not necessary. 1372330567Sgordon * 1373330567Sgordon * Note that we ignore any previously-specified ippeerlimit. 1374330567Sgordon * If we're told to create the peer, we create the peer. 1375298770Sdelphij */ 1376298770Sdelphij 1377298770Sdelphij /* finally create the peer */ 1378330567Sgordon if (peer_config(&peeraddr, NULL, NULL, -1, 1379132451Sroberto temp_cp.hmode, temp_cp.version, temp_cp.minpoll, 1380132451Sroberto temp_cp.maxpoll, fl, temp_cp.ttl, temp_cp.keyid, 1381298770Sdelphij NULL) == 0) 1382298770Sdelphij { 138354359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 138454359Sroberto return; 138554359Sroberto } 1386200576Sroberto 1387285612Sdelphij datap += item_sz; 138854359Sroberto } 138954359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 139054359Sroberto} 139154359Sroberto 139282498Sroberto 139382498Sroberto/* 139454359Sroberto * do_unconf - remove a peer from the configuration list 139554359Sroberto */ 139654359Srobertostatic void 139754359Srobertodo_unconf( 1398285612Sdelphij sockaddr_u * srcadr, 1399285612Sdelphij endpt * inter, 140054359Sroberto struct req_pkt *inpkt 140154359Sroberto ) 140254359Sroberto{ 1403285612Sdelphij u_short items; 1404285612Sdelphij size_t item_sz; 1405285612Sdelphij char * datap; 1406285612Sdelphij struct conf_unpeer temp_cp; 1407285612Sdelphij struct peer * p; 1408285612Sdelphij sockaddr_u peeraddr; 1409298770Sdelphij int loops; 141054359Sroberto 141154359Sroberto /* 141254359Sroberto * This is a bit unstructured, but I like to be careful. 141354359Sroberto * We check to see that every peer exists and is actually 141454359Sroberto * configured. If so, we remove them. If not, we return 141554359Sroberto * an error. 1416298770Sdelphij * 1417298770Sdelphij * [Bug 3011] Even if we checked all peers given in the request 1418298770Sdelphij * in a dry run, there's still a chance that the caller played 1419298770Sdelphij * unfair and gave the same peer multiple times. So we still 1420298770Sdelphij * have to be prepared for nasty surprises in the second run ;) 142154359Sroberto */ 1422298770Sdelphij 1423298770Sdelphij /* basic consistency checks */ 1424285612Sdelphij item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize); 1425285612Sdelphij if (item_sz > sizeof(temp_cp)) { 1426285612Sdelphij req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 1427285612Sdelphij return; 1428285612Sdelphij } 142954359Sroberto 1430298770Sdelphij /* now do two runs: first a dry run, then a busy one */ 1431298770Sdelphij for (loops = 0; loops != 2; ++loops) { 1432298770Sdelphij items = INFO_NITEMS(inpkt->err_nitems); 1433298770Sdelphij datap = inpkt->u.data; 1434298770Sdelphij while (items-- > 0) { 1435298770Sdelphij /* copy from request to local */ 1436298770Sdelphij ZERO(temp_cp); 1437298770Sdelphij memcpy(&temp_cp, datap, item_sz); 1438298770Sdelphij /* get address structure */ 1439298770Sdelphij ZERO_SOCK(&peeraddr); 1440298770Sdelphij if (client_v6_capable && temp_cp.v6_flag) { 1441298770Sdelphij AF(&peeraddr) = AF_INET6; 1442298770Sdelphij SOCK_ADDR6(&peeraddr) = temp_cp.peeraddr6; 1443298770Sdelphij } else { 1444298770Sdelphij AF(&peeraddr) = AF_INET; 1445298770Sdelphij NSRCADR(&peeraddr) = temp_cp.peeraddr; 1446298770Sdelphij } 1447298770Sdelphij SET_PORT(&peeraddr, NTP_PORT); 1448285612Sdelphij#ifdef ISC_PLATFORM_HAVESALEN 1449298770Sdelphij peeraddr.sa.sa_len = SOCKLEN(&peeraddr); 1450132451Sroberto#endif 1451298770Sdelphij DPRINTF(1, ("searching for %s\n", 1452298770Sdelphij stoa(&peeraddr))); 1453285612Sdelphij 1454298770Sdelphij /* search for matching configred(!) peer */ 1455298770Sdelphij p = NULL; 1456298770Sdelphij do { 1457298770Sdelphij p = findexistingpeer( 1458330567Sgordon &peeraddr, NULL, p, -1, 0, NULL); 1459298770Sdelphij } while (p && !(FLAG_CONFIG & p->flags)); 1460298770Sdelphij 1461298770Sdelphij if (!loops && !p) { 1462298770Sdelphij /* Item not found in dry run -- bail! */ 1463298770Sdelphij req_ack(srcadr, inter, inpkt, 1464298770Sdelphij INFO_ERR_NODATA); 1465298770Sdelphij return; 1466298770Sdelphij } else if (loops && p) { 1467298770Sdelphij /* Item found in busy run -- remove! */ 1468298770Sdelphij peer_clear(p, "GONE"); 1469298770Sdelphij unpeer(p); 1470298770Sdelphij } 1471298770Sdelphij datap += item_sz; 147254359Sroberto } 147354359Sroberto } 147454359Sroberto 1475298770Sdelphij /* report success */ 147654359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 147754359Sroberto} 147854359Sroberto 147954359Sroberto 148054359Sroberto/* 148154359Sroberto * set_sys_flag - set system flags 148254359Sroberto */ 148354359Srobertostatic void 148454359Srobertoset_sys_flag( 1485285612Sdelphij sockaddr_u *srcadr, 1486285612Sdelphij endpt *inter, 148754359Sroberto struct req_pkt *inpkt 148854359Sroberto ) 148954359Sroberto{ 149054359Sroberto setclr_flags(srcadr, inter, inpkt, 1); 149154359Sroberto} 149254359Sroberto 149354359Sroberto 149454359Sroberto/* 149554359Sroberto * clr_sys_flag - clear system flags 149654359Sroberto */ 149754359Srobertostatic void 149854359Srobertoclr_sys_flag( 1499285612Sdelphij sockaddr_u *srcadr, 1500285612Sdelphij endpt *inter, 150154359Sroberto struct req_pkt *inpkt 150254359Sroberto ) 150354359Sroberto{ 150454359Sroberto setclr_flags(srcadr, inter, inpkt, 0); 150554359Sroberto} 150654359Sroberto 150754359Sroberto 150854359Sroberto/* 150954359Sroberto * setclr_flags - do the grunge work of flag setting/clearing 151054359Sroberto */ 151154359Srobertostatic void 151254359Srobertosetclr_flags( 1513285612Sdelphij sockaddr_u *srcadr, 1514285612Sdelphij endpt *inter, 151554359Sroberto struct req_pkt *inpkt, 151654359Sroberto u_long set 151754359Sroberto ) 151854359Sroberto{ 1519285612Sdelphij struct conf_sys_flags *sf; 1520285612Sdelphij u_int32 flags; 152154359Sroberto 152254359Sroberto if (INFO_NITEMS(inpkt->err_nitems) > 1) { 152382498Sroberto msyslog(LOG_ERR, "setclr_flags: err_nitems > 1"); 152454359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 152554359Sroberto return; 152654359Sroberto } 152754359Sroberto 1528285612Sdelphij sf = (struct conf_sys_flags *)&inpkt->u; 1529285612Sdelphij flags = ntohl(sf->flags); 1530182007Sroberto 153182498Sroberto if (flags & ~(SYS_FLAG_BCLIENT | SYS_FLAG_PPS | 153254359Sroberto SYS_FLAG_NTP | SYS_FLAG_KERNEL | SYS_FLAG_MONITOR | 1533106163Sroberto SYS_FLAG_FILEGEN | SYS_FLAG_AUTH | SYS_FLAG_CAL)) { 153482498Sroberto msyslog(LOG_ERR, "setclr_flags: extra flags: %#x", 1535132451Sroberto flags & ~(SYS_FLAG_BCLIENT | SYS_FLAG_PPS | 153682498Sroberto SYS_FLAG_NTP | SYS_FLAG_KERNEL | 1537106163Sroberto SYS_FLAG_MONITOR | SYS_FLAG_FILEGEN | 1538106163Sroberto SYS_FLAG_AUTH | SYS_FLAG_CAL)); 153954359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 154054359Sroberto return; 154154359Sroberto } 154254359Sroberto 154354359Sroberto if (flags & SYS_FLAG_BCLIENT) 1544132451Sroberto proto_config(PROTO_BROADCLIENT, set, 0., NULL); 154582498Sroberto if (flags & SYS_FLAG_PPS) 1546132451Sroberto proto_config(PROTO_PPS, set, 0., NULL); 154754359Sroberto if (flags & SYS_FLAG_NTP) 1548132451Sroberto proto_config(PROTO_NTP, set, 0., NULL); 154954359Sroberto if (flags & SYS_FLAG_KERNEL) 1550132451Sroberto proto_config(PROTO_KERNEL, set, 0., NULL); 155154359Sroberto if (flags & SYS_FLAG_MONITOR) 1552132451Sroberto proto_config(PROTO_MONITOR, set, 0., NULL); 155354359Sroberto if (flags & SYS_FLAG_FILEGEN) 1554132451Sroberto proto_config(PROTO_FILEGEN, set, 0., NULL); 1555106163Sroberto if (flags & SYS_FLAG_AUTH) 1556132451Sroberto proto_config(PROTO_AUTHENTICATE, set, 0., NULL); 1557106163Sroberto if (flags & SYS_FLAG_CAL) 1558132451Sroberto proto_config(PROTO_CAL, set, 0., NULL); 155954359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 1560285612Sdelphij} 1561182007Sroberto 1562294569Sdelphij/* There have been some issues with the restrict list processing, 1563294569Sdelphij * ranging from problems with deep recursion (resulting in stack 1564294569Sdelphij * overflows) and overfull reply buffers. 1565294569Sdelphij * 1566294569Sdelphij * To avoid this trouble the list reversal is done iteratively using a 1567294569Sdelphij * scratch pad. 1568294569Sdelphij */ 1569294569Sdelphijtypedef struct RestrictStack RestrictStackT; 1570294569Sdelphijstruct RestrictStack { 1571294569Sdelphij RestrictStackT *link; 1572294569Sdelphij size_t fcnt; 1573294569Sdelphij const restrict_u *pres[63]; 1574294569Sdelphij}; 1575294569Sdelphij 1576294569Sdelphijstatic size_t 1577294569SdelphijgetStackSheetSize( 1578294569Sdelphij RestrictStackT *sp 1579294569Sdelphij ) 1580294569Sdelphij{ 1581294569Sdelphij if (sp) 1582294569Sdelphij return sizeof(sp->pres)/sizeof(sp->pres[0]); 1583294569Sdelphij return 0u; 1584294569Sdelphij} 1585294569Sdelphij 1586294569Sdelphijstatic int/*BOOL*/ 1587294569SdelphijpushRestriction( 1588294569Sdelphij RestrictStackT **spp, 1589294569Sdelphij const restrict_u *ptr 1590294569Sdelphij ) 1591294569Sdelphij{ 1592294569Sdelphij RestrictStackT *sp; 1593294569Sdelphij 1594294569Sdelphij if (NULL == (sp = *spp) || 0 == sp->fcnt) { 1595294569Sdelphij /* need another sheet in the scratch pad */ 1596294569Sdelphij sp = emalloc(sizeof(*sp)); 1597294569Sdelphij sp->link = *spp; 1598294569Sdelphij sp->fcnt = getStackSheetSize(sp); 1599294569Sdelphij *spp = sp; 1600294569Sdelphij } 1601294569Sdelphij sp->pres[--sp->fcnt] = ptr; 1602294569Sdelphij return TRUE; 1603294569Sdelphij} 1604294569Sdelphij 1605294569Sdelphijstatic int/*BOOL*/ 1606294569SdelphijpopRestriction( 1607294569Sdelphij RestrictStackT **spp, 1608294569Sdelphij const restrict_u **opp 1609294569Sdelphij ) 1610294569Sdelphij{ 1611294569Sdelphij RestrictStackT *sp; 1612294569Sdelphij 1613294569Sdelphij if (NULL == (sp = *spp) || sp->fcnt >= getStackSheetSize(sp)) 1614294569Sdelphij return FALSE; 1615294569Sdelphij 1616294569Sdelphij *opp = sp->pres[sp->fcnt++]; 1617294569Sdelphij if (sp->fcnt >= getStackSheetSize(sp)) { 1618294569Sdelphij /* discard sheet from scratch pad */ 1619294569Sdelphij *spp = sp->link; 1620294569Sdelphij free(sp); 1621294569Sdelphij } 1622294569Sdelphij return TRUE; 1623294569Sdelphij} 1624294569Sdelphij 1625294569Sdelphijstatic void 1626294569SdelphijflushRestrictionStack( 1627294569Sdelphij RestrictStackT **spp 1628294569Sdelphij ) 1629294569Sdelphij{ 1630294569Sdelphij RestrictStackT *sp; 1631294569Sdelphij 1632294569Sdelphij while (NULL != (sp = *spp)) { 1633294569Sdelphij *spp = sp->link; 1634294569Sdelphij free(sp); 1635294569Sdelphij } 1636294569Sdelphij} 1637294569Sdelphij 1638285612Sdelphij/* 1639294569Sdelphij * list_restrict4 - iterative helper for list_restrict dumps IPv4 1640285612Sdelphij * restriction list in reverse order. 1641285612Sdelphij */ 1642285612Sdelphijstatic void 1643285612Sdelphijlist_restrict4( 1644294569Sdelphij const restrict_u * res, 1645285612Sdelphij struct info_restrict ** ppir 1646285612Sdelphij ) 1647285612Sdelphij{ 1648294569Sdelphij RestrictStackT * rpad; 1649285612Sdelphij struct info_restrict * pir; 1650285612Sdelphij 1651285612Sdelphij pir = *ppir; 1652294569Sdelphij for (rpad = NULL; res; res = res->link) 1653294569Sdelphij if (!pushRestriction(&rpad, res)) 1654294569Sdelphij break; 1655294569Sdelphij 1656294569Sdelphij while (pir && popRestriction(&rpad, &res)) { 1657294569Sdelphij pir->addr = htonl(res->u.v4.addr); 1658294569Sdelphij if (client_v6_capable) 1659294569Sdelphij pir->v6_flag = 0; 1660294569Sdelphij pir->mask = htonl(res->u.v4.mask); 1661294569Sdelphij pir->count = htonl(res->count); 1662330567Sgordon pir->rflags = htons(res->rflags); 1663294569Sdelphij pir->mflags = htons(res->mflags); 1664294569Sdelphij pir = (struct info_restrict *)more_pkt(); 1665294569Sdelphij } 1666294569Sdelphij flushRestrictionStack(&rpad); 1667294569Sdelphij *ppir = pir; 166854359Sroberto} 166954359Sroberto 167054359Sroberto/* 1671294569Sdelphij * list_restrict6 - iterative helper for list_restrict dumps IPv6 1672285612Sdelphij * restriction list in reverse order. 1673285612Sdelphij */ 1674285612Sdelphijstatic void 1675285612Sdelphijlist_restrict6( 1676294569Sdelphij const restrict_u * res, 1677285612Sdelphij struct info_restrict ** ppir 1678285612Sdelphij ) 1679285612Sdelphij{ 1680294569Sdelphij RestrictStackT * rpad; 1681285612Sdelphij struct info_restrict * pir; 1682285612Sdelphij 1683294569Sdelphij pir = *ppir; 1684294569Sdelphij for (rpad = NULL; res; res = res->link) 1685294569Sdelphij if (!pushRestriction(&rpad, res)) 1686294569Sdelphij break; 1687285612Sdelphij 1688294569Sdelphij while (pir && popRestriction(&rpad, &res)) { 1689294569Sdelphij pir->addr6 = res->u.v6.addr; 1690294569Sdelphij pir->mask6 = res->u.v6.mask; 1691294569Sdelphij pir->v6_flag = 1; 1692294569Sdelphij pir->count = htonl(res->count); 1693330567Sgordon pir->rflags = htons(res->rflags); 1694294569Sdelphij pir->mflags = htons(res->mflags); 1695294569Sdelphij pir = (struct info_restrict *)more_pkt(); 1696294569Sdelphij } 1697294569Sdelphij flushRestrictionStack(&rpad); 1698294569Sdelphij *ppir = pir; 1699285612Sdelphij} 1700285612Sdelphij 1701285612Sdelphij 1702285612Sdelphij/* 170354359Sroberto * list_restrict - return the restrict list 170454359Sroberto */ 170554359Srobertostatic void 170654359Srobertolist_restrict( 1707285612Sdelphij sockaddr_u *srcadr, 1708285612Sdelphij endpt *inter, 170954359Sroberto struct req_pkt *inpkt 171054359Sroberto ) 171154359Sroberto{ 1712285612Sdelphij struct info_restrict *ir; 171354359Sroberto 1714285612Sdelphij DPRINTF(3, ("wants restrict list summary\n")); 171554359Sroberto 171654359Sroberto ir = (struct info_restrict *)prepare_pkt(srcadr, inter, inpkt, 1717132451Sroberto v6sizeof(struct info_restrict)); 1718132451Sroberto 1719285612Sdelphij /* 1720285612Sdelphij * The restriction lists are kept sorted in the reverse order 1721285612Sdelphij * than they were originally. To preserve the output semantics, 1722294569Sdelphij * dump each list in reverse order. The workers take care of that. 1723285612Sdelphij */ 1724285612Sdelphij list_restrict4(restrictlist4, &ir); 1725132451Sroberto if (client_v6_capable) 1726285612Sdelphij list_restrict6(restrictlist6, &ir); 172754359Sroberto flush_pkt(); 172854359Sroberto} 172954359Sroberto 173054359Sroberto 173154359Sroberto/* 173254359Sroberto * do_resaddflags - add flags to a restrict entry (or create one) 173354359Sroberto */ 173454359Srobertostatic void 173554359Srobertodo_resaddflags( 1736285612Sdelphij sockaddr_u *srcadr, 1737285612Sdelphij endpt *inter, 173854359Sroberto struct req_pkt *inpkt 173954359Sroberto ) 174054359Sroberto{ 174154359Sroberto do_restrict(srcadr, inter, inpkt, RESTRICT_FLAGS); 174254359Sroberto} 174354359Sroberto 174454359Sroberto 174554359Sroberto 174654359Sroberto/* 174754359Sroberto * do_ressubflags - remove flags from a restrict entry 174854359Sroberto */ 174954359Srobertostatic void 175054359Srobertodo_ressubflags( 1751285612Sdelphij sockaddr_u *srcadr, 1752285612Sdelphij endpt *inter, 175354359Sroberto struct req_pkt *inpkt 175454359Sroberto ) 175554359Sroberto{ 175654359Sroberto do_restrict(srcadr, inter, inpkt, RESTRICT_UNFLAG); 175754359Sroberto} 175854359Sroberto 175954359Sroberto 176054359Sroberto/* 176154359Sroberto * do_unrestrict - remove a restrict entry from the list 176254359Sroberto */ 176354359Srobertostatic void 176454359Srobertodo_unrestrict( 1765285612Sdelphij sockaddr_u *srcadr, 1766285612Sdelphij endpt *inter, 176754359Sroberto struct req_pkt *inpkt 176854359Sroberto ) 176954359Sroberto{ 177054359Sroberto do_restrict(srcadr, inter, inpkt, RESTRICT_REMOVE); 177154359Sroberto} 177254359Sroberto 177354359Sroberto 177454359Sroberto/* 177554359Sroberto * do_restrict - do the dirty stuff of dealing with restrictions 177654359Sroberto */ 177754359Srobertostatic void 177854359Srobertodo_restrict( 1779285612Sdelphij sockaddr_u *srcadr, 1780285612Sdelphij endpt *inter, 178154359Sroberto struct req_pkt *inpkt, 1782330567Sgordon restrict_op op 178354359Sroberto ) 178454359Sroberto{ 1785285612Sdelphij char * datap; 1786285612Sdelphij struct conf_restrict cr; 1787285612Sdelphij u_short items; 1788285612Sdelphij size_t item_sz; 1789285612Sdelphij sockaddr_u matchaddr; 1790285612Sdelphij sockaddr_u matchmask; 1791285612Sdelphij int bad; 179254359Sroberto 1793330567Sgordon switch(op) { 1794330567Sgordon case RESTRICT_FLAGS: 1795330567Sgordon case RESTRICT_UNFLAG: 1796330567Sgordon case RESTRICT_REMOVE: 1797330567Sgordon case RESTRICT_REMOVEIF: 1798330567Sgordon break; 1799330567Sgordon 1800330567Sgordon default: 1801330567Sgordon req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 1802330567Sgordon return; 1803330567Sgordon } 1804330567Sgordon 180554359Sroberto /* 180654359Sroberto * Do a check of the flags to make sure that only 180754359Sroberto * the NTPPORT flag is set, if any. If not, complain 180854359Sroberto * about it. Note we are very picky here. 180954359Sroberto */ 181054359Sroberto items = INFO_NITEMS(inpkt->err_nitems); 1811285612Sdelphij item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize); 1812285612Sdelphij datap = inpkt->u.data; 1813285612Sdelphij if (item_sz > sizeof(cr)) { 1814285612Sdelphij req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 1815285612Sdelphij return; 1816285612Sdelphij } 181754359Sroberto 1818330567Sgordon bad = 0; 181954359Sroberto while (items-- > 0 && !bad) { 1820285612Sdelphij memcpy(&cr, datap, item_sz); 1821285612Sdelphij cr.flags = ntohs(cr.flags); 1822285612Sdelphij cr.mflags = ntohs(cr.mflags); 1823285612Sdelphij if (~RESM_NTPONLY & cr.mflags) 1824285612Sdelphij bad |= 1; 1825285612Sdelphij if (~RES_ALLFLAGS & cr.flags) 1826285612Sdelphij bad |= 2; 1827285612Sdelphij if (INADDR_ANY != cr.mask) { 1828285612Sdelphij if (client_v6_capable && cr.v6_flag) { 1829285612Sdelphij if (IN6_IS_ADDR_UNSPECIFIED(&cr.addr6)) 1830132451Sroberto bad |= 4; 1831285612Sdelphij } else { 1832285612Sdelphij if (INADDR_ANY == cr.addr) 1833132451Sroberto bad |= 8; 1834285612Sdelphij } 1835132451Sroberto } 1836285612Sdelphij datap += item_sz; 183754359Sroberto } 183854359Sroberto 183954359Sroberto if (bad) { 184082498Sroberto msyslog(LOG_ERR, "do_restrict: bad = %#x", bad); 184154359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 184254359Sroberto return; 184354359Sroberto } 184454359Sroberto 184554359Sroberto /* 1846289997Sglebius * Looks okay, try it out. Needs to reload data pointer and 1847289997Sglebius * item counter. (Talos-CAN-0052) 184854359Sroberto */ 1849285612Sdelphij ZERO_SOCK(&matchaddr); 1850285612Sdelphij ZERO_SOCK(&matchmask); 1851289997Sglebius items = INFO_NITEMS(inpkt->err_nitems); 1852285612Sdelphij datap = inpkt->u.data; 185354359Sroberto 185454359Sroberto while (items-- > 0) { 1855285612Sdelphij memcpy(&cr, datap, item_sz); 1856285612Sdelphij cr.flags = ntohs(cr.flags); 1857285612Sdelphij cr.mflags = ntohs(cr.mflags); 1858330567Sgordon cr.ippeerlimit = ntohs(cr.ippeerlimit); 1859285612Sdelphij if (client_v6_capable && cr.v6_flag) { 1860285612Sdelphij AF(&matchaddr) = AF_INET6; 1861285612Sdelphij AF(&matchmask) = AF_INET6; 1862285612Sdelphij SOCK_ADDR6(&matchaddr) = cr.addr6; 1863285612Sdelphij SOCK_ADDR6(&matchmask) = cr.mask6; 1864132451Sroberto } else { 1865285612Sdelphij AF(&matchaddr) = AF_INET; 1866285612Sdelphij AF(&matchmask) = AF_INET; 1867285612Sdelphij NSRCADR(&matchaddr) = cr.addr; 1868285612Sdelphij NSRCADR(&matchmask) = cr.mask; 1869132451Sroberto } 1870285612Sdelphij hack_restrict(op, &matchaddr, &matchmask, cr.mflags, 1871330567Sgordon cr.ippeerlimit, cr.flags, 0); 1872285612Sdelphij datap += item_sz; 187354359Sroberto } 187454359Sroberto 187554359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 187654359Sroberto} 187754359Sroberto 187854359Sroberto 187954359Sroberto/* 188054359Sroberto * mon_getlist - return monitor data 188154359Sroberto */ 188254359Srobertostatic void 1883285612Sdelphijmon_getlist( 1884285612Sdelphij sockaddr_u *srcadr, 1885285612Sdelphij endpt *inter, 188654359Sroberto struct req_pkt *inpkt 188754359Sroberto ) 188854359Sroberto{ 1889285612Sdelphij req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 189054359Sroberto} 189154359Sroberto 189254359Sroberto 189354359Sroberto/* 189454359Sroberto * Module entry points and the flags they correspond with 189554359Sroberto */ 189654359Srobertostruct reset_entry { 189754359Sroberto int flag; /* flag this corresponds to */ 1898285612Sdelphij void (*handler)(void); /* routine to handle request */ 189954359Sroberto}; 190054359Sroberto 190154359Srobertostruct reset_entry reset_entries[] = { 190254359Sroberto { RESET_FLAG_ALLPEERS, peer_all_reset }, 190354359Sroberto { RESET_FLAG_IO, io_clr_stats }, 190454359Sroberto { RESET_FLAG_SYS, proto_clr_stats }, 190554359Sroberto { RESET_FLAG_MEM, peer_clr_stats }, 190654359Sroberto { RESET_FLAG_TIMER, timer_clr_stats }, 190754359Sroberto { RESET_FLAG_AUTH, reset_auth_stats }, 190854359Sroberto { RESET_FLAG_CTL, ctl_clr_stats }, 190954359Sroberto { 0, 0 } 191054359Sroberto}; 191154359Sroberto 191254359Sroberto/* 191354359Sroberto * reset_stats - reset statistic counters here and there 191454359Sroberto */ 191554359Srobertostatic void 191654359Srobertoreset_stats( 1917285612Sdelphij sockaddr_u *srcadr, 1918285612Sdelphij endpt *inter, 191954359Sroberto struct req_pkt *inpkt 192054359Sroberto ) 192154359Sroberto{ 1922285612Sdelphij struct reset_flags *rflags; 192354359Sroberto u_long flags; 192454359Sroberto struct reset_entry *rent; 192554359Sroberto 192654359Sroberto if (INFO_NITEMS(inpkt->err_nitems) > 1) { 192782498Sroberto msyslog(LOG_ERR, "reset_stats: err_nitems > 1"); 192854359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 192954359Sroberto return; 193054359Sroberto } 193154359Sroberto 1932285612Sdelphij rflags = (struct reset_flags *)&inpkt->u; 1933285612Sdelphij flags = ntohl(rflags->flags); 1934285612Sdelphij 193554359Sroberto if (flags & ~RESET_ALLFLAGS) { 193682498Sroberto msyslog(LOG_ERR, "reset_stats: reset leaves %#lx", 193782498Sroberto flags & ~RESET_ALLFLAGS); 193854359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 193954359Sroberto return; 194054359Sroberto } 194154359Sroberto 194254359Sroberto for (rent = reset_entries; rent->flag != 0; rent++) { 194354359Sroberto if (flags & rent->flag) 1944285612Sdelphij (*rent->handler)(); 194554359Sroberto } 194654359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 194754359Sroberto} 194854359Sroberto 194954359Sroberto 195054359Sroberto/* 195154359Sroberto * reset_peer - clear a peer's statistics 195254359Sroberto */ 195354359Srobertostatic void 195454359Srobertoreset_peer( 1955285612Sdelphij sockaddr_u *srcadr, 1956285612Sdelphij endpt *inter, 195754359Sroberto struct req_pkt *inpkt 195854359Sroberto ) 195954359Sroberto{ 1960285612Sdelphij u_short items; 1961285612Sdelphij size_t item_sz; 1962285612Sdelphij char * datap; 1963285612Sdelphij struct conf_unpeer cp; 1964285612Sdelphij struct peer * p; 1965285612Sdelphij sockaddr_u peeraddr; 1966285612Sdelphij int bad; 196754359Sroberto 196854359Sroberto /* 196954359Sroberto * We check first to see that every peer exists. If not, 197054359Sroberto * we return an error. 197154359Sroberto */ 197254359Sroberto 197354359Sroberto items = INFO_NITEMS(inpkt->err_nitems); 1974285612Sdelphij item_sz = INFO_ITEMSIZE(inpkt->mbz_itemsize); 1975285612Sdelphij datap = inpkt->u.data; 1976285612Sdelphij if (item_sz > sizeof(cp)) { 1977285612Sdelphij req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 1978285612Sdelphij return; 1979285612Sdelphij } 198054359Sroberto 1981285612Sdelphij bad = FALSE; 198254359Sroberto while (items-- > 0 && !bad) { 1983285612Sdelphij ZERO(cp); 1984285612Sdelphij memcpy(&cp, datap, item_sz); 1985285612Sdelphij ZERO_SOCK(&peeraddr); 1986285612Sdelphij if (client_v6_capable && cp.v6_flag) { 1987285612Sdelphij AF(&peeraddr) = AF_INET6; 1988285612Sdelphij SOCK_ADDR6(&peeraddr) = cp.peeraddr6; 1989132451Sroberto } else { 1990285612Sdelphij AF(&peeraddr) = AF_INET; 1991285612Sdelphij NSRCADR(&peeraddr) = cp.peeraddr; 1992132451Sroberto } 1993285612Sdelphij 1994285612Sdelphij#ifdef ISC_PLATFORM_HAVESALEN 1995285612Sdelphij peeraddr.sa.sa_len = SOCKLEN(&peeraddr); 1996132451Sroberto#endif 1997330567Sgordon p = findexistingpeer(&peeraddr, NULL, NULL, -1, 0, NULL); 1998285612Sdelphij if (NULL == p) 1999285612Sdelphij bad++; 2000285612Sdelphij datap += item_sz; 200154359Sroberto } 200254359Sroberto 200354359Sroberto if (bad) { 200454359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 200554359Sroberto return; 200654359Sroberto } 200754359Sroberto 200854359Sroberto /* 2009289997Sglebius * Now do it in earnest. Needs to reload data pointer and item 2010289997Sglebius * counter. (Talos-CAN-0052) 201154359Sroberto */ 2012289997Sglebius 2013289997Sglebius items = INFO_NITEMS(inpkt->err_nitems); 2014285612Sdelphij datap = inpkt->u.data; 201554359Sroberto while (items-- > 0) { 2016285612Sdelphij ZERO(cp); 2017285612Sdelphij memcpy(&cp, datap, item_sz); 2018285612Sdelphij ZERO_SOCK(&peeraddr); 2019285612Sdelphij if (client_v6_capable && cp.v6_flag) { 2020285612Sdelphij AF(&peeraddr) = AF_INET6; 2021285612Sdelphij SOCK_ADDR6(&peeraddr) = cp.peeraddr6; 2022132451Sroberto } else { 2023285612Sdelphij AF(&peeraddr) = AF_INET; 2024285612Sdelphij NSRCADR(&peeraddr) = cp.peeraddr; 2025132451Sroberto } 2026285612Sdelphij SET_PORT(&peeraddr, 123); 2027285612Sdelphij#ifdef ISC_PLATFORM_HAVESALEN 2028285612Sdelphij peeraddr.sa.sa_len = SOCKLEN(&peeraddr); 2029132451Sroberto#endif 2030330567Sgordon p = findexistingpeer(&peeraddr, NULL, NULL, -1, 0, NULL); 2031285612Sdelphij while (p != NULL) { 2032285612Sdelphij peer_reset(p); 2033330567Sgordon p = findexistingpeer(&peeraddr, NULL, p, -1, 0, NULL); 203454359Sroberto } 2035285612Sdelphij datap += item_sz; 203654359Sroberto } 203754359Sroberto 203854359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 203954359Sroberto} 204054359Sroberto 204154359Sroberto 204254359Sroberto/* 204354359Sroberto * do_key_reread - reread the encryption key file 204454359Sroberto */ 204554359Srobertostatic void 204654359Srobertodo_key_reread( 2047285612Sdelphij sockaddr_u *srcadr, 2048285612Sdelphij endpt *inter, 204954359Sroberto struct req_pkt *inpkt 205054359Sroberto ) 205154359Sroberto{ 205254359Sroberto rereadkeys(); 205354359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 205454359Sroberto} 205554359Sroberto 205654359Sroberto 205754359Sroberto/* 205854359Sroberto * trust_key - make one or more keys trusted 205954359Sroberto */ 206054359Srobertostatic void 206154359Srobertotrust_key( 2062285612Sdelphij sockaddr_u *srcadr, 2063285612Sdelphij endpt *inter, 206454359Sroberto struct req_pkt *inpkt 206554359Sroberto ) 206654359Sroberto{ 206754359Sroberto do_trustkey(srcadr, inter, inpkt, 1); 206854359Sroberto} 206954359Sroberto 207054359Sroberto 207154359Sroberto/* 207254359Sroberto * untrust_key - make one or more keys untrusted 207354359Sroberto */ 207454359Srobertostatic void 207554359Srobertountrust_key( 2076285612Sdelphij sockaddr_u *srcadr, 2077285612Sdelphij endpt *inter, 207854359Sroberto struct req_pkt *inpkt 207954359Sroberto ) 208054359Sroberto{ 208154359Sroberto do_trustkey(srcadr, inter, inpkt, 0); 208254359Sroberto} 208354359Sroberto 208454359Sroberto 208554359Sroberto/* 208654359Sroberto * do_trustkey - make keys either trustable or untrustable 208754359Sroberto */ 208854359Srobertostatic void 208954359Srobertodo_trustkey( 2090285612Sdelphij sockaddr_u *srcadr, 2091285612Sdelphij endpt *inter, 209254359Sroberto struct req_pkt *inpkt, 209382498Sroberto u_long trust 209454359Sroberto ) 209554359Sroberto{ 2096293650Sglebius register uint32_t *kp; 209754359Sroberto register int items; 209854359Sroberto 209954359Sroberto items = INFO_NITEMS(inpkt->err_nitems); 2100294569Sdelphij kp = (uint32_t *)&inpkt->u; 210154359Sroberto while (items-- > 0) { 210254359Sroberto authtrust(*kp, trust); 210354359Sroberto kp++; 210454359Sroberto } 210554359Sroberto 210654359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 210754359Sroberto} 210854359Sroberto 210954359Sroberto 211054359Sroberto/* 211154359Sroberto * get_auth_info - return some stats concerning the authentication module 211254359Sroberto */ 211354359Srobertostatic void 211454359Srobertoget_auth_info( 2115285612Sdelphij sockaddr_u *srcadr, 2116285612Sdelphij endpt *inter, 211754359Sroberto struct req_pkt *inpkt 211854359Sroberto ) 211954359Sroberto{ 212054359Sroberto register struct info_auth *ia; 212154359Sroberto 212254359Sroberto ia = (struct info_auth *)prepare_pkt(srcadr, inter, inpkt, 212354359Sroberto sizeof(struct info_auth)); 212454359Sroberto 212554359Sroberto ia->numkeys = htonl((u_int32)authnumkeys); 212654359Sroberto ia->numfreekeys = htonl((u_int32)authnumfreekeys); 212754359Sroberto ia->keylookups = htonl((u_int32)authkeylookups); 212854359Sroberto ia->keynotfound = htonl((u_int32)authkeynotfound); 212954359Sroberto ia->encryptions = htonl((u_int32)authencryptions); 213054359Sroberto ia->decryptions = htonl((u_int32)authdecryptions); 213154359Sroberto ia->keyuncached = htonl((u_int32)authkeyuncached); 213254359Sroberto ia->expired = htonl((u_int32)authkeyexpired); 213354359Sroberto ia->timereset = htonl((u_int32)(current_time - auth_timereset)); 213454359Sroberto 213554359Sroberto (void) more_pkt(); 213654359Sroberto flush_pkt(); 213754359Sroberto} 213854359Sroberto 213954359Sroberto 214054359Sroberto 214154359Sroberto/* 214254359Sroberto * reset_auth_stats - reset the authentication stat counters. Done here 214354359Sroberto * to keep ntp-isms out of the authentication module 214454359Sroberto */ 2145285612Sdelphijvoid 214654359Srobertoreset_auth_stats(void) 214754359Sroberto{ 214854359Sroberto authkeylookups = 0; 214954359Sroberto authkeynotfound = 0; 215054359Sroberto authencryptions = 0; 215154359Sroberto authdecryptions = 0; 215254359Sroberto authkeyuncached = 0; 215354359Sroberto auth_timereset = current_time; 215454359Sroberto} 215554359Sroberto 215654359Sroberto 215754359Sroberto/* 215854359Sroberto * req_get_traps - return information about current trap holders 215954359Sroberto */ 216054359Srobertostatic void 216154359Srobertoreq_get_traps( 2162285612Sdelphij sockaddr_u *srcadr, 2163285612Sdelphij endpt *inter, 216454359Sroberto struct req_pkt *inpkt 216554359Sroberto ) 216654359Sroberto{ 2167285612Sdelphij struct info_trap *it; 2168285612Sdelphij struct ctl_trap *tr; 2169285612Sdelphij size_t i; 217054359Sroberto 217154359Sroberto if (num_ctl_traps == 0) { 217254359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 217354359Sroberto return; 217454359Sroberto } 217554359Sroberto 217654359Sroberto it = (struct info_trap *)prepare_pkt(srcadr, inter, inpkt, 2177132451Sroberto v6sizeof(struct info_trap)); 217854359Sroberto 2179294569Sdelphij for (i = 0, tr = ctl_traps; it && i < COUNTOF(ctl_traps); i++, tr++) { 218054359Sroberto if (tr->tr_flags & TRAP_INUSE) { 2181285612Sdelphij if (IS_IPV4(&tr->tr_addr)) { 2182132451Sroberto if (tr->tr_localaddr == any_interface) 2183132451Sroberto it->local_address = 0; 2184132451Sroberto else 2185132451Sroberto it->local_address 2186285612Sdelphij = NSRCADR(&tr->tr_localaddr->sin); 2187285612Sdelphij it->trap_address = NSRCADR(&tr->tr_addr); 2188132451Sroberto if (client_v6_capable) 2189132451Sroberto it->v6_flag = 0; 2190132451Sroberto } else { 2191132451Sroberto if (!client_v6_capable) 2192132451Sroberto continue; 2193132451Sroberto it->local_address6 2194285612Sdelphij = SOCK_ADDR6(&tr->tr_localaddr->sin); 2195285612Sdelphij it->trap_address6 = SOCK_ADDR6(&tr->tr_addr); 2196132451Sroberto it->v6_flag = 1; 2197132451Sroberto } 219854359Sroberto it->trap_port = NSRCPORT(&tr->tr_addr); 219954359Sroberto it->sequence = htons(tr->tr_sequence); 220054359Sroberto it->settime = htonl((u_int32)(current_time - tr->tr_settime)); 220154359Sroberto it->origtime = htonl((u_int32)(current_time - tr->tr_origtime)); 220254359Sroberto it->resets = htonl((u_int32)tr->tr_resets); 220354359Sroberto it->flags = htonl((u_int32)tr->tr_flags); 220454359Sroberto it = (struct info_trap *)more_pkt(); 220554359Sroberto } 220654359Sroberto } 220754359Sroberto flush_pkt(); 220854359Sroberto} 220954359Sroberto 221054359Sroberto 221154359Sroberto/* 221254359Sroberto * req_set_trap - configure a trap 221354359Sroberto */ 221454359Srobertostatic void 221554359Srobertoreq_set_trap( 2216285612Sdelphij sockaddr_u *srcadr, 2217285612Sdelphij endpt *inter, 221854359Sroberto struct req_pkt *inpkt 221954359Sroberto ) 222054359Sroberto{ 222154359Sroberto do_setclr_trap(srcadr, inter, inpkt, 1); 222254359Sroberto} 222354359Sroberto 222454359Sroberto 222554359Sroberto 222654359Sroberto/* 222754359Sroberto * req_clr_trap - unconfigure a trap 222854359Sroberto */ 222954359Srobertostatic void 223054359Srobertoreq_clr_trap( 2231285612Sdelphij sockaddr_u *srcadr, 2232285612Sdelphij endpt *inter, 223354359Sroberto struct req_pkt *inpkt 223454359Sroberto ) 223554359Sroberto{ 223654359Sroberto do_setclr_trap(srcadr, inter, inpkt, 0); 223754359Sroberto} 223854359Sroberto 223954359Sroberto 224054359Sroberto 224154359Sroberto/* 224254359Sroberto * do_setclr_trap - do the grunge work of (un)configuring a trap 224354359Sroberto */ 224454359Srobertostatic void 224554359Srobertodo_setclr_trap( 2246285612Sdelphij sockaddr_u *srcadr, 2247285612Sdelphij endpt *inter, 224854359Sroberto struct req_pkt *inpkt, 224954359Sroberto int set 225054359Sroberto ) 225154359Sroberto{ 225254359Sroberto register struct conf_trap *ct; 2253285612Sdelphij register endpt *linter; 225454359Sroberto int res; 2255285612Sdelphij sockaddr_u laddr; 225654359Sroberto 225754359Sroberto /* 2258285612Sdelphij * Prepare sockaddr 225954359Sroberto */ 2260285612Sdelphij ZERO_SOCK(&laddr); 2261285612Sdelphij AF(&laddr) = AF(srcadr); 2262285612Sdelphij SET_PORT(&laddr, NTP_PORT); 226354359Sroberto 226454359Sroberto /* 226554359Sroberto * Restrict ourselves to one item only. This eliminates 226654359Sroberto * the error reporting problem. 226754359Sroberto */ 226854359Sroberto if (INFO_NITEMS(inpkt->err_nitems) > 1) { 226982498Sroberto msyslog(LOG_ERR, "do_setclr_trap: err_nitems > 1"); 227054359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 227154359Sroberto return; 227254359Sroberto } 2273285612Sdelphij ct = (struct conf_trap *)&inpkt->u; 227454359Sroberto 227554359Sroberto /* 227654359Sroberto * Look for the local interface. If none, use the default. 227754359Sroberto */ 227854359Sroberto if (ct->local_address == 0) { 227954359Sroberto linter = any_interface; 228054359Sroberto } else { 2281285612Sdelphij if (IS_IPV4(&laddr)) 2282285612Sdelphij NSRCADR(&laddr) = ct->local_address; 2283132451Sroberto else 2284285612Sdelphij SOCK_ADDR6(&laddr) = ct->local_address6; 228554359Sroberto linter = findinterface(&laddr); 2286285612Sdelphij if (NULL == linter) { 228754359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 228854359Sroberto return; 228954359Sroberto } 229054359Sroberto } 229154359Sroberto 2292285612Sdelphij if (IS_IPV4(&laddr)) 2293285612Sdelphij NSRCADR(&laddr) = ct->trap_address; 2294132451Sroberto else 2295285612Sdelphij SOCK_ADDR6(&laddr) = ct->trap_address6; 2296285612Sdelphij if (ct->trap_port) 2297285612Sdelphij NSRCPORT(&laddr) = ct->trap_port; 229854359Sroberto else 2299285612Sdelphij SET_PORT(&laddr, TRAPPORT); 230054359Sroberto 230154359Sroberto if (set) { 230254359Sroberto res = ctlsettrap(&laddr, linter, 0, 230354359Sroberto INFO_VERSION(inpkt->rm_vn_mode)); 230454359Sroberto } else { 230554359Sroberto res = ctlclrtrap(&laddr, linter, 0); 230654359Sroberto } 230754359Sroberto 230854359Sroberto if (!res) { 230954359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 231054359Sroberto } else { 231154359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 231254359Sroberto } 231354359Sroberto return; 231454359Sroberto} 231554359Sroberto 231654359Sroberto/* 2317298770Sdelphij * Validate a request packet for a new request or control key: 2318298770Sdelphij * - only one item allowed 2319298770Sdelphij * - key must be valid (that is, known, and not in the autokey range) 232054359Sroberto */ 232154359Srobertostatic void 2322298770Sdelphijset_keyid_checked( 2323298770Sdelphij keyid_t *into, 2324298770Sdelphij const char *what, 2325298770Sdelphij sockaddr_u *srcadr, 2326298770Sdelphij endpt *inter, 232754359Sroberto struct req_pkt *inpkt 232854359Sroberto ) 232954359Sroberto{ 2330285612Sdelphij keyid_t *pkeyid; 2331298770Sdelphij keyid_t tmpkey; 233254359Sroberto 2333298770Sdelphij /* restrict ourselves to one item only */ 233454359Sroberto if (INFO_NITEMS(inpkt->err_nitems) > 1) { 2335298770Sdelphij msyslog(LOG_ERR, "set_keyid_checked[%s]: err_nitems > 1", 2336298770Sdelphij what); 233754359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 233854359Sroberto return; 233954359Sroberto } 234054359Sroberto 2341298770Sdelphij /* plug the new key from the packet */ 2342285612Sdelphij pkeyid = (keyid_t *)&inpkt->u; 2343298770Sdelphij tmpkey = ntohl(*pkeyid); 2344298770Sdelphij 2345298770Sdelphij /* validate the new key id, claim data error on failure */ 2346298770Sdelphij if (tmpkey < 1 || tmpkey > NTP_MAXKEY || !auth_havekey(tmpkey)) { 2347298770Sdelphij msyslog(LOG_ERR, "set_keyid_checked[%s]: invalid key id: %ld", 2348298770Sdelphij what, (long)tmpkey); 2349298770Sdelphij req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 2350298770Sdelphij return; 2351298770Sdelphij } 2352298770Sdelphij 2353298770Sdelphij /* if we arrive here, the key is good -- use it */ 2354298770Sdelphij *into = tmpkey; 235554359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 235654359Sroberto} 235754359Sroberto 2358298770Sdelphij/* 2359298770Sdelphij * set_request_keyid - set the keyid used to authenticate requests 2360298770Sdelphij */ 2361298770Sdelphijstatic void 2362298770Sdelphijset_request_keyid( 2363298770Sdelphij sockaddr_u *srcadr, 2364298770Sdelphij endpt *inter, 2365298770Sdelphij struct req_pkt *inpkt 2366298770Sdelphij ) 2367298770Sdelphij{ 2368298770Sdelphij set_keyid_checked(&info_auth_keyid, "request", 2369298770Sdelphij srcadr, inter, inpkt); 2370298770Sdelphij} 237154359Sroberto 237254359Sroberto 2373298770Sdelphij 237454359Sroberto/* 237554359Sroberto * set_control_keyid - set the keyid used to authenticate requests 237654359Sroberto */ 237754359Srobertostatic void 237854359Srobertoset_control_keyid( 2379285612Sdelphij sockaddr_u *srcadr, 2380285612Sdelphij endpt *inter, 238154359Sroberto struct req_pkt *inpkt 238254359Sroberto ) 238354359Sroberto{ 2384298770Sdelphij set_keyid_checked(&ctl_auth_keyid, "control", 2385298770Sdelphij srcadr, inter, inpkt); 238654359Sroberto} 238754359Sroberto 238854359Sroberto 238954359Sroberto 239054359Sroberto/* 239154359Sroberto * get_ctl_stats - return some stats concerning the control message module 239254359Sroberto */ 239354359Srobertostatic void 239454359Srobertoget_ctl_stats( 2395285612Sdelphij sockaddr_u *srcadr, 2396285612Sdelphij endpt *inter, 239754359Sroberto struct req_pkt *inpkt 239854359Sroberto ) 239954359Sroberto{ 240054359Sroberto register struct info_control *ic; 240154359Sroberto 240254359Sroberto ic = (struct info_control *)prepare_pkt(srcadr, inter, inpkt, 240354359Sroberto sizeof(struct info_control)); 240454359Sroberto 240554359Sroberto ic->ctltimereset = htonl((u_int32)(current_time - ctltimereset)); 240654359Sroberto ic->numctlreq = htonl((u_int32)numctlreq); 240754359Sroberto ic->numctlbadpkts = htonl((u_int32)numctlbadpkts); 240854359Sroberto ic->numctlresponses = htonl((u_int32)numctlresponses); 240954359Sroberto ic->numctlfrags = htonl((u_int32)numctlfrags); 241054359Sroberto ic->numctlerrors = htonl((u_int32)numctlerrors); 241154359Sroberto ic->numctltooshort = htonl((u_int32)numctltooshort); 241254359Sroberto ic->numctlinputresp = htonl((u_int32)numctlinputresp); 241354359Sroberto ic->numctlinputfrag = htonl((u_int32)numctlinputfrag); 241454359Sroberto ic->numctlinputerr = htonl((u_int32)numctlinputerr); 241554359Sroberto ic->numctlbadoffset = htonl((u_int32)numctlbadoffset); 241654359Sroberto ic->numctlbadversion = htonl((u_int32)numctlbadversion); 241754359Sroberto ic->numctldatatooshort = htonl((u_int32)numctldatatooshort); 241854359Sroberto ic->numctlbadop = htonl((u_int32)numctlbadop); 241954359Sroberto ic->numasyncmsgs = htonl((u_int32)numasyncmsgs); 242054359Sroberto 242154359Sroberto (void) more_pkt(); 242254359Sroberto flush_pkt(); 242354359Sroberto} 242454359Sroberto 242554359Sroberto 242654359Sroberto#ifdef KERNEL_PLL 242754359Sroberto/* 242854359Sroberto * get_kernel_info - get kernel pll/pps information 242954359Sroberto */ 243054359Srobertostatic void 243154359Srobertoget_kernel_info( 2432285612Sdelphij sockaddr_u *srcadr, 2433285612Sdelphij endpt *inter, 243454359Sroberto struct req_pkt *inpkt 243554359Sroberto ) 243654359Sroberto{ 243754359Sroberto register struct info_kernel *ik; 243854359Sroberto struct timex ntx; 243954359Sroberto 244054359Sroberto if (!pll_control) { 244154359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 244254359Sroberto return; 244354359Sroberto } 244454359Sroberto 2445285612Sdelphij ZERO(ntx); 244654359Sroberto if (ntp_adjtime(&ntx) < 0) 244754359Sroberto msyslog(LOG_ERR, "get_kernel_info: ntp_adjtime() failed: %m"); 244854359Sroberto ik = (struct info_kernel *)prepare_pkt(srcadr, inter, inpkt, 244954359Sroberto sizeof(struct info_kernel)); 245054359Sroberto 245154359Sroberto /* 245254359Sroberto * pll variables 245354359Sroberto */ 245454359Sroberto ik->offset = htonl((u_int32)ntx.offset); 245554359Sroberto ik->freq = htonl((u_int32)ntx.freq); 245654359Sroberto ik->maxerror = htonl((u_int32)ntx.maxerror); 245754359Sroberto ik->esterror = htonl((u_int32)ntx.esterror); 245854359Sroberto ik->status = htons(ntx.status); 245954359Sroberto ik->constant = htonl((u_int32)ntx.constant); 246054359Sroberto ik->precision = htonl((u_int32)ntx.precision); 246154359Sroberto ik->tolerance = htonl((u_int32)ntx.tolerance); 246254359Sroberto 246354359Sroberto /* 246454359Sroberto * pps variables 246554359Sroberto */ 246654359Sroberto ik->ppsfreq = htonl((u_int32)ntx.ppsfreq); 246754359Sroberto ik->jitter = htonl((u_int32)ntx.jitter); 246854359Sroberto ik->shift = htons(ntx.shift); 246954359Sroberto ik->stabil = htonl((u_int32)ntx.stabil); 247054359Sroberto ik->jitcnt = htonl((u_int32)ntx.jitcnt); 247154359Sroberto ik->calcnt = htonl((u_int32)ntx.calcnt); 247254359Sroberto ik->errcnt = htonl((u_int32)ntx.errcnt); 247354359Sroberto ik->stbcnt = htonl((u_int32)ntx.stbcnt); 247454359Sroberto 247554359Sroberto (void) more_pkt(); 247654359Sroberto flush_pkt(); 247754359Sroberto} 247854359Sroberto#endif /* KERNEL_PLL */ 247954359Sroberto 248054359Sroberto 248154359Sroberto#ifdef REFCLOCK 248254359Sroberto/* 248354359Sroberto * get_clock_info - get info about a clock 248454359Sroberto */ 248554359Srobertostatic void 248654359Srobertoget_clock_info( 2487285612Sdelphij sockaddr_u *srcadr, 2488285612Sdelphij endpt *inter, 248954359Sroberto struct req_pkt *inpkt 249054359Sroberto ) 249154359Sroberto{ 249254359Sroberto register struct info_clock *ic; 249354359Sroberto register u_int32 *clkaddr; 249454359Sroberto register int items; 249554359Sroberto struct refclockstat clock_stat; 2496285612Sdelphij sockaddr_u addr; 249754359Sroberto l_fp ltmp; 249854359Sroberto 2499285612Sdelphij ZERO_SOCK(&addr); 2500285612Sdelphij AF(&addr) = AF_INET; 2501285612Sdelphij#ifdef ISC_PLATFORM_HAVESALEN 2502285612Sdelphij addr.sa.sa_len = SOCKLEN(&addr); 2503132451Sroberto#endif 2504285612Sdelphij SET_PORT(&addr, NTP_PORT); 250554359Sroberto items = INFO_NITEMS(inpkt->err_nitems); 2506285612Sdelphij clkaddr = &inpkt->u.u32[0]; 250754359Sroberto 250854359Sroberto ic = (struct info_clock *)prepare_pkt(srcadr, inter, inpkt, 250954359Sroberto sizeof(struct info_clock)); 251054359Sroberto 2511294569Sdelphij while (items-- > 0 && ic) { 2512285612Sdelphij NSRCADR(&addr) = *clkaddr++; 2513285612Sdelphij if (!ISREFCLOCKADR(&addr) || NULL == 2514330567Sgordon findexistingpeer(&addr, NULL, NULL, -1, 0, NULL)) { 251554359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 251654359Sroberto return; 251754359Sroberto } 251854359Sroberto 251954359Sroberto clock_stat.kv_list = (struct ctl_var *)0; 252054359Sroberto 2521285612Sdelphij refclock_control(&addr, NULL, &clock_stat); 252254359Sroberto 2523285612Sdelphij ic->clockadr = NSRCADR(&addr); 252454359Sroberto ic->type = clock_stat.type; 252554359Sroberto ic->flags = clock_stat.flags; 252654359Sroberto ic->lastevent = clock_stat.lastevent; 252754359Sroberto ic->currentstatus = clock_stat.currentstatus; 252854359Sroberto ic->polls = htonl((u_int32)clock_stat.polls); 252954359Sroberto ic->noresponse = htonl((u_int32)clock_stat.noresponse); 253054359Sroberto ic->badformat = htonl((u_int32)clock_stat.badformat); 253154359Sroberto ic->baddata = htonl((u_int32)clock_stat.baddata); 253254359Sroberto ic->timestarted = htonl((u_int32)clock_stat.timereset); 253354359Sroberto DTOLFP(clock_stat.fudgetime1, <mp); 253454359Sroberto HTONL_FP(<mp, &ic->fudgetime1); 2535132451Sroberto DTOLFP(clock_stat.fudgetime2, <mp); 253654359Sroberto HTONL_FP(<mp, &ic->fudgetime2); 253754359Sroberto ic->fudgeval1 = htonl((u_int32)clock_stat.fudgeval1); 2538285612Sdelphij ic->fudgeval2 = htonl(clock_stat.fudgeval2); 253954359Sroberto 254054359Sroberto free_varlist(clock_stat.kv_list); 254154359Sroberto 254254359Sroberto ic = (struct info_clock *)more_pkt(); 254354359Sroberto } 254454359Sroberto flush_pkt(); 254554359Sroberto} 254654359Sroberto 254754359Sroberto 254854359Sroberto 254954359Sroberto/* 255054359Sroberto * set_clock_fudge - get a clock's fudge factors 255154359Sroberto */ 255254359Srobertostatic void 255354359Srobertoset_clock_fudge( 2554285612Sdelphij sockaddr_u *srcadr, 2555285612Sdelphij endpt *inter, 255654359Sroberto struct req_pkt *inpkt 255754359Sroberto ) 255854359Sroberto{ 255954359Sroberto register struct conf_fudge *cf; 256054359Sroberto register int items; 256154359Sroberto struct refclockstat clock_stat; 2562285612Sdelphij sockaddr_u addr; 256354359Sroberto l_fp ltmp; 256454359Sroberto 2565285612Sdelphij ZERO(addr); 2566285612Sdelphij ZERO(clock_stat); 256754359Sroberto items = INFO_NITEMS(inpkt->err_nitems); 2568285612Sdelphij cf = (struct conf_fudge *)&inpkt->u; 256954359Sroberto 257054359Sroberto while (items-- > 0) { 2571285612Sdelphij AF(&addr) = AF_INET; 2572285612Sdelphij NSRCADR(&addr) = cf->clockadr; 2573285612Sdelphij#ifdef ISC_PLATFORM_HAVESALEN 2574285612Sdelphij addr.sa.sa_len = SOCKLEN(&addr); 2575132451Sroberto#endif 2576285612Sdelphij SET_PORT(&addr, NTP_PORT); 2577285612Sdelphij if (!ISREFCLOCKADR(&addr) || NULL == 2578330567Sgordon findexistingpeer(&addr, NULL, NULL, -1, 0, NULL)) { 257954359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 258054359Sroberto return; 258154359Sroberto } 258254359Sroberto 258354359Sroberto switch(ntohl(cf->which)) { 258454359Sroberto case FUDGE_TIME1: 258554359Sroberto NTOHL_FP(&cf->fudgetime, <mp); 258654359Sroberto LFPTOD(<mp, clock_stat.fudgetime1); 258754359Sroberto clock_stat.haveflags = CLK_HAVETIME1; 258854359Sroberto break; 258954359Sroberto case FUDGE_TIME2: 259054359Sroberto NTOHL_FP(&cf->fudgetime, <mp); 259154359Sroberto LFPTOD(<mp, clock_stat.fudgetime2); 259254359Sroberto clock_stat.haveflags = CLK_HAVETIME2; 259354359Sroberto break; 259454359Sroberto case FUDGE_VAL1: 259554359Sroberto clock_stat.fudgeval1 = ntohl(cf->fudgeval_flags); 259654359Sroberto clock_stat.haveflags = CLK_HAVEVAL1; 259754359Sroberto break; 259854359Sroberto case FUDGE_VAL2: 259954359Sroberto clock_stat.fudgeval2 = ntohl(cf->fudgeval_flags); 260054359Sroberto clock_stat.haveflags = CLK_HAVEVAL2; 260154359Sroberto break; 260254359Sroberto case FUDGE_FLAGS: 2603132451Sroberto clock_stat.flags = (u_char) (ntohl(cf->fudgeval_flags) & 0xf); 260454359Sroberto clock_stat.haveflags = 260554359Sroberto (CLK_HAVEFLAG1|CLK_HAVEFLAG2|CLK_HAVEFLAG3|CLK_HAVEFLAG4); 260654359Sroberto break; 260754359Sroberto default: 260882498Sroberto msyslog(LOG_ERR, "set_clock_fudge: default!"); 260954359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_FMT); 261054359Sroberto return; 261154359Sroberto } 261254359Sroberto 261354359Sroberto refclock_control(&addr, &clock_stat, (struct refclockstat *)0); 261454359Sroberto } 261554359Sroberto 261654359Sroberto req_ack(srcadr, inter, inpkt, INFO_OKAY); 261754359Sroberto} 261854359Sroberto#endif 261954359Sroberto 262054359Sroberto#ifdef REFCLOCK 262154359Sroberto/* 262254359Sroberto * get_clkbug_info - get debugging info about a clock 262354359Sroberto */ 262454359Srobertostatic void 262554359Srobertoget_clkbug_info( 2626285612Sdelphij sockaddr_u *srcadr, 2627285612Sdelphij endpt *inter, 262854359Sroberto struct req_pkt *inpkt 262954359Sroberto ) 263054359Sroberto{ 263154359Sroberto register int i; 263254359Sroberto register struct info_clkbug *ic; 263354359Sroberto register u_int32 *clkaddr; 263454359Sroberto register int items; 263554359Sroberto struct refclockbug bug; 2636285612Sdelphij sockaddr_u addr; 263754359Sroberto 2638285612Sdelphij ZERO_SOCK(&addr); 2639285612Sdelphij AF(&addr) = AF_INET; 2640285612Sdelphij#ifdef ISC_PLATFORM_HAVESALEN 2641285612Sdelphij addr.sa.sa_len = SOCKLEN(&addr); 2642132451Sroberto#endif 2643285612Sdelphij SET_PORT(&addr, NTP_PORT); 264454359Sroberto items = INFO_NITEMS(inpkt->err_nitems); 2645285612Sdelphij clkaddr = (u_int32 *)&inpkt->u; 264654359Sroberto 264754359Sroberto ic = (struct info_clkbug *)prepare_pkt(srcadr, inter, inpkt, 264854359Sroberto sizeof(struct info_clkbug)); 264954359Sroberto 2650294569Sdelphij while (items-- > 0 && ic) { 2651285612Sdelphij NSRCADR(&addr) = *clkaddr++; 2652285612Sdelphij if (!ISREFCLOCKADR(&addr) || NULL == 2653330567Sgordon findexistingpeer(&addr, NULL, NULL, -1, 0, NULL)) { 265454359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 265554359Sroberto return; 265654359Sroberto } 265754359Sroberto 2658285612Sdelphij ZERO(bug); 265954359Sroberto refclock_buginfo(&addr, &bug); 266054359Sroberto if (bug.nvalues == 0 && bug.ntimes == 0) { 266154359Sroberto req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); 266254359Sroberto return; 266354359Sroberto } 266454359Sroberto 2665285612Sdelphij ic->clockadr = NSRCADR(&addr); 266654359Sroberto i = bug.nvalues; 266754359Sroberto if (i > NUMCBUGVALUES) 266854359Sroberto i = NUMCBUGVALUES; 266954359Sroberto ic->nvalues = (u_char)i; 267054359Sroberto ic->svalues = htons((u_short) (bug.svalues & ((1<<i)-1))); 267154359Sroberto while (--i >= 0) 267254359Sroberto ic->values[i] = htonl(bug.values[i]); 267354359Sroberto 267454359Sroberto i = bug.ntimes; 267554359Sroberto if (i > NUMCBUGTIMES) 267654359Sroberto i = NUMCBUGTIMES; 267754359Sroberto ic->ntimes = (u_char)i; 267854359Sroberto ic->stimes = htonl(bug.stimes); 267954359Sroberto while (--i >= 0) { 268054359Sroberto HTONL_FP(&bug.times[i], &ic->times[i]); 268154359Sroberto } 268254359Sroberto 268354359Sroberto ic = (struct info_clkbug *)more_pkt(); 268454359Sroberto } 268554359Sroberto flush_pkt(); 268654359Sroberto} 268754359Sroberto#endif 2688182007Sroberto 2689182007Sroberto/* 2690182007Sroberto * receiver of interface structures 2691182007Sroberto */ 2692182007Srobertostatic void 2693182007Srobertofill_info_if_stats(void *data, interface_info_t *interface_info) 2694182007Sroberto{ 2695182007Sroberto struct info_if_stats **ifsp = (struct info_if_stats **)data; 2696182007Sroberto struct info_if_stats *ifs = *ifsp; 2697285612Sdelphij endpt *ep = interface_info->ep; 2698294569Sdelphij 2699294569Sdelphij if (NULL == ifs) 2700294569Sdelphij return; 2701182007Sroberto 2702285612Sdelphij ZERO(*ifs); 2703182007Sroberto 2704285612Sdelphij if (IS_IPV6(&ep->sin)) { 2705294569Sdelphij if (!client_v6_capable) 2706182007Sroberto return; 2707182007Sroberto ifs->v6_flag = 1; 2708285612Sdelphij ifs->unaddr.addr6 = SOCK_ADDR6(&ep->sin); 2709285612Sdelphij ifs->unbcast.addr6 = SOCK_ADDR6(&ep->bcast); 2710285612Sdelphij ifs->unmask.addr6 = SOCK_ADDR6(&ep->mask); 2711182007Sroberto } else { 2712182007Sroberto ifs->v6_flag = 0; 2713285612Sdelphij ifs->unaddr.addr = SOCK_ADDR4(&ep->sin); 2714285612Sdelphij ifs->unbcast.addr = SOCK_ADDR4(&ep->bcast); 2715285612Sdelphij ifs->unmask.addr = SOCK_ADDR4(&ep->mask); 2716182007Sroberto } 2717182007Sroberto ifs->v6_flag = htonl(ifs->v6_flag); 2718285612Sdelphij strlcpy(ifs->name, ep->name, sizeof(ifs->name)); 2719285612Sdelphij ifs->family = htons(ep->family); 2720285612Sdelphij ifs->flags = htonl(ep->flags); 2721285612Sdelphij ifs->last_ttl = htonl(ep->last_ttl); 2722285612Sdelphij ifs->num_mcast = htonl(ep->num_mcast); 2723285612Sdelphij ifs->received = htonl(ep->received); 2724285612Sdelphij ifs->sent = htonl(ep->sent); 2725285612Sdelphij ifs->notsent = htonl(ep->notsent); 2726285612Sdelphij ifs->ifindex = htonl(ep->ifindex); 2727285612Sdelphij /* scope no longer in endpt, in in6_addr typically */ 2728285612Sdelphij ifs->scopeid = ifs->ifindex; 2729285612Sdelphij ifs->ifnum = htonl(ep->ifnum); 2730285612Sdelphij ifs->uptime = htonl(current_time - ep->starttime); 2731285612Sdelphij ifs->ignore_packets = ep->ignore_packets; 2732285612Sdelphij ifs->peercnt = htonl(ep->peercnt); 2733182007Sroberto ifs->action = interface_info->action; 2734182007Sroberto 2735182007Sroberto *ifsp = (struct info_if_stats *)more_pkt(); 2736182007Sroberto} 2737182007Sroberto 2738182007Sroberto/* 2739182007Sroberto * get_if_stats - get interface statistics 2740182007Sroberto */ 2741182007Srobertostatic void 2742182007Srobertoget_if_stats( 2743285612Sdelphij sockaddr_u *srcadr, 2744285612Sdelphij endpt *inter, 2745182007Sroberto struct req_pkt *inpkt 2746182007Sroberto ) 2747182007Sroberto{ 2748182007Sroberto struct info_if_stats *ifs; 2749182007Sroberto 2750182007Sroberto DPRINTF(3, ("wants interface statistics\n")); 2751182007Sroberto 2752182007Sroberto ifs = (struct info_if_stats *)prepare_pkt(srcadr, inter, inpkt, 2753182007Sroberto v6sizeof(struct info_if_stats)); 2754182007Sroberto 2755182007Sroberto interface_enumerate(fill_info_if_stats, &ifs); 2756182007Sroberto 2757182007Sroberto flush_pkt(); 2758182007Sroberto} 2759182007Sroberto 2760182007Srobertostatic void 2761182007Srobertodo_if_reload( 2762285612Sdelphij sockaddr_u *srcadr, 2763285612Sdelphij endpt *inter, 2764182007Sroberto struct req_pkt *inpkt 2765182007Sroberto ) 2766182007Sroberto{ 2767182007Sroberto struct info_if_stats *ifs; 2768182007Sroberto 2769182007Sroberto DPRINTF(3, ("wants interface reload\n")); 2770182007Sroberto 2771182007Sroberto ifs = (struct info_if_stats *)prepare_pkt(srcadr, inter, inpkt, 2772182007Sroberto v6sizeof(struct info_if_stats)); 2773182007Sroberto 2774182007Sroberto interface_update(fill_info_if_stats, &ifs); 2775182007Sroberto 2776182007Sroberto flush_pkt(); 2777182007Sroberto} 2778182007Sroberto 2779