diff options
Diffstat (limited to 'contrib/ntp/ntpq/ntpq.c')
-rw-r--r-- | contrib/ntp/ntpq/ntpq.c | 3095 |
1 files changed, 3095 insertions, 0 deletions
diff --git a/contrib/ntp/ntpq/ntpq.c b/contrib/ntp/ntpq/ntpq.c new file mode 100644 index 0000000..3361e2b --- /dev/null +++ b/contrib/ntp/ntpq/ntpq.c @@ -0,0 +1,3095 @@ +/* + * ntpq - query an NTP server using mode 6 commands + */ +#include <stdio.h> +#include <ctype.h> +#include <signal.h> +#include <setjmp.h> +#include <sys/types.h> +#include <sys/time.h> +#include <netdb.h> +#ifdef SYS_WINNT +# include <io.h> +#else +#define closesocket close +#endif /* SYS_WINNT */ + +#include "ntpq.h" +#include "ntp_unixtime.h" +#include "ntp_calendar.h" +#include "ntp_io.h" +#include "ntp_select.h" +#include "ntp_stdlib.h" + +#ifdef SYS_VXWORKS +/* vxWorks needs mode flag -casey*/ +#define open(name, flags) open(name, flags, 0777) +#define SERVER_PORT_NUM 123 +#endif + +/* + * Because we potentially understand a lot of commands we will run + * interactive if connected to a terminal. + */ +int interactive = 0; /* set to 1 when we should prompt */ +const char *prompt = "ntpq> "; /* prompt to ask him about */ + + +/* + * Keyid used for authenticated requests. Obtained on the fly. + */ +u_long info_auth_keyid = NTP_MAXKEY; + +/* + * Type of key md5 or des + */ +#define KEY_TYPE_DES 3 +#define KEY_TYPE_MD5 4 + +static int info_auth_keytype = KEY_TYPE_MD5; /* MD5 */ +u_long current_time; /* needed by authkeys; not used */ + +/* + * Flag which indicates we should always send authenticated requests + */ +int always_auth = 0; + +/* + * Flag which indicates raw mode output. + */ +int rawmode = 0; + +/* + * Packet version number we use + */ +u_char pktversion = NTP_OLDVERSION + 1; + +/* + * Don't jump if no set jmp. + */ +volatile int jump = 0; + +/* + * Format values + */ +#define PADDING 0 +#define TS 1 /* time stamp */ +#define FL 2 /* l_fp type value */ +#define FU 3 /* u_fp type value */ +#define FS 4 /* s_fp type value */ +#define UI 5 /* unsigned integer value */ +#define SI 6 /* signed integer value */ +#define HA 7 /* host address */ +#define NA 8 /* network address */ +#define ST 9 /* string value */ +#define RF 10 /* refid (sometimes string, sometimes not) */ +#define LP 11 /* leap (print in binary) */ +#define OC 12 /* integer, print in octal */ +#define MD 13 /* mode */ +#define AR 14 /* array of times */ +#define FX 15 /* test flags */ +#define EOV 255 /* end of table */ + + +/* + * System variable values. The array can be indexed by + * the variable index to find the textual name. + */ +struct ctl_var sys_var[] = { + { 0, PADDING, "" }, /* 0 */ + { CS_LEAP, LP, "leap" }, /* 1 */ + { CS_STRATUM, UI, "stratum" }, /* 2 */ + { CS_PRECISION, SI, "precision" }, /* 3 */ + { CS_ROOTDELAY, FS, "rootdelay" }, /* 4 */ + { CS_ROOTDISPERSION, FU, "rootdispersion" }, /* 5 */ + { CS_REFID, RF, "refid" }, /* 6 */ + { CS_REFTIME, TS, "reftime" }, /* 7 */ + { CS_POLL, UI, "poll" }, /* 8 */ + { CS_PEERID, UI, "peer" }, /* 9 */ + { CS_STATE, UI, "state" }, /* 10 */ + { CS_OFFSET, FL, "phase" }, /* 11 */ + { CS_DRIFT, FS, "frequency" }, /* 12 */ + { CS_COMPLIANCE, FU, "jitter" }, /* 13 */ + { CS_CLOCK, TS, "clock" }, /* 14 */ + { CS_PROCESSOR, ST, "processor" }, /* 15 */ + { CS_SYSTEM, ST, "system" }, /* 16 */ + { CS_STABIL, FS, "stability" }, /* 17 */ + { 0, EOV, "" } +}; + + +/* + * Peer variable list + */ +struct ctl_var peer_var[] = { + { 0, PADDING, "" }, /* 0 */ + { CP_CONFIG, UI, "config" }, /* 1 */ + { CP_AUTHENABLE, UI, "authenable" }, /* 2 */ + { CP_AUTHENTIC, UI, "authentic" }, /* 3 */ + { CP_SRCADR, HA, "srcadr" }, /* 4 */ + { CP_SRCPORT, UI, "srcport" }, /* 5 */ + { CP_DSTADR, NA, "dstadr" }, /* 6 */ + { CP_DSTPORT, UI, "dstport" }, /* 7 */ + { CP_LEAP, LP, "leap" }, /* 8 */ + { CP_HMODE, MD, "hmode" }, /* 9 */ + { CP_STRATUM, UI, "stratum" }, /* 10 */ + { CP_PPOLL, UI, "ppoll" }, /* 11 */ + { CP_HPOLL, UI, "hpoll" }, /* 12 */ + { CP_PRECISION, SI, "precision" }, /* 13 */ + { CP_ROOTDELAY, FS, "rootdelay" }, /* 14 */ + { CP_ROOTDISPERSION, FU, "rootdispersion" }, /* 15 */ + { CP_REFID, RF, "refid" }, /* 16 */ + { CP_REFTIME, TS, "reftime" }, /* 17 */ + { CP_ORG, TS, "org" }, /* 18 */ + { CP_REC, TS, "rec" }, /* 19 */ + { CP_XMT, TS, "xmt" }, /* 20 */ + { CP_REACH, OC, "reach" }, /* 21 */ + { CP_VALID, UI, "valid" }, /* 22 */ + { CP_TIMER, UI, "timer" }, /* 23 */ + { CP_DELAY, FS, "delay" }, /* 24 */ + { CP_OFFSET, FL, "offset" }, /* 25 */ + { CP_JITTER, FU, "jitter" }, /* 26 */ + { CP_DISPERSION, FU, "dispersion" }, /* 27 */ + { CP_KEYID, UI, "keyid" }, /* 28 */ + { CP_FILTDELAY, AR, "filtdelay" }, /* 29 */ + { CP_FILTOFFSET, AR, "filtoffset" }, /* 30 */ + { CP_PMODE, ST, "pmode" }, /* 31 */ + { CP_RECEIVED, UI, "received" }, /* 32 */ + { CP_SENT, UI, "sent" }, /* 33 */ + { CP_FILTERROR, AR, "filtdisp" }, /* 34 */ + { CP_FLASH, FX, "flash" }, /* 35 */ + { CP_DISP, FU, "disp" }, /* 36 */ + /* + * These are duplicate entries so that we can + * process deviant version of the ntp protocol. + */ + { CP_SRCADR, HA, "peeraddr" }, /* 4 */ + { CP_SRCPORT, UI, "peerport" }, /* 5 */ + { CP_PPOLL, UI, "peerpoll" }, /* 11 */ + { CP_HPOLL, UI, "hostpoll" }, /* 12 */ + { CP_FILTERROR, AR, "filterror" }, /* 34 */ + { 0, EOV, "" } +}; + + +/* + * Clock variable list + */ +struct ctl_var clock_var[] = { + { 0, PADDING, "" }, /* 0 */ + { CC_TYPE, UI, "type" }, /* 1 */ + { CC_TIMECODE, ST, "timecode" }, /* 2 */ + { CC_POLL, UI, "poll" }, /* 3 */ + { CC_NOREPLY, UI, "noreply" }, /* 4 */ + { CC_BADFORMAT, UI, "badformat" }, /* 5 */ + { CC_BADDATA, UI, "baddata" }, /* 6 */ + { CC_FUDGETIME1, FL, "fudgetime1" }, /* 7 */ + { CC_FUDGETIME2, FL, "fudgetime2" }, /* 8 */ + { CC_FUDGEVAL1, UI, "stratum" }, /* 9 */ + { CC_FUDGEVAL2, RF, "refid" }, /* 10 */ + { CC_FLAGS, UI, "flags" }, /* 11 */ + { CC_DEVICE, ST, "device" }, /* 12 */ + { 0, EOV, "" } +}; + + +/* + * flasher bits + */ +static const char *tstflagnames[] = { + "dup_pkt", /* TEST1 */ + "bogus_pkt", /* TEST2 */ + "proto_sync", /* TEST3 */ + "peer_bounds", /* TEST4 */ + "auth", /* TEST5 */ + "peer_sync", /* TEST6 */ + "peer_stratum", /* TEST7 */ + "root_bounds", /* TEST8 */ + "peer_auth", /* TEST9 */ + "access" /* TEST10 */ +}; + + +int ntpqmain P((int, char **)); +/* + * Built in command handler declarations + */ +static int openhost P((const char *)); +static int sendpkt P((char *, int)); +static int getresponse P((int, int, u_short *, int *, char **, int)); +static int sendrequest P((int, int, int, int, char *)); +static char * tstflags P((u_long)); +static void getcmds P((void)); +static RETSIGTYPE abortcmd P((int)); +static void docmd P((const char *)); +static void tokenize P((const char *, char **, int *)); +static int findcmd P((char *, struct xcmd *, struct xcmd *, struct xcmd **)); +static int getarg P((char *, int, arg_v *)); +static int rtdatetolfp P((char *, l_fp *)); +static int decodearr P((char *, int *, l_fp *)); +static void help P((struct parse *, FILE *)); +#ifdef QSORT_USES_VOID_P +static int helpsort P((const void *, const void *)); +#else +static int helpsort P((char **, char **)); +#endif +static void printusage P((struct xcmd *, FILE *)); +static void timeout P((struct parse *, FILE *)); +static void auth_delay P((struct parse *, FILE *)); +static void host P((struct parse *, FILE *)); +static void ntp_poll P((struct parse *, FILE *)); +static void keyid P((struct parse *, FILE *)); +static void keytype P((struct parse *, FILE *)); +static void passwd P((struct parse *, FILE *)); +static void hostnames P((struct parse *, FILE *)); +static void setdebug P((struct parse *, FILE *)); +static void quit P((struct parse *, FILE *)); +static void version P((struct parse *, FILE *)); +static void raw P((struct parse *, FILE *)); +static void cooked P((struct parse *, FILE *)); +static void authenticate P((struct parse *, FILE *)); +static void ntpversion P((struct parse *, FILE *)); +static void warning P((const char *, const char *, const char *)); +static void error P((const char *, const char *, const char *)); +static u_long getkeyid P((const char *)); +static void atoascii P((int, char *, char *)); +static void makeascii P((int, char *, FILE *)); +static void rawprint P((int, int, char *, int, FILE *)); +static void startoutput P((void)); +static void output P((FILE *, char *, char *)); +static void endoutput P((FILE *)); +static void outputarr P((FILE *, char *, int, l_fp *)); +static void cookedprint P((int, int, char *, int, FILE *)); +#ifdef QSORT_USES_VOID_P +static int assoccmp P((const void *, const void *)); +#else +static int assoccmp P((struct association *, struct association *)); +#endif /* sgi || bsdi */ + + +/* + * Built-in commands we understand + */ +struct xcmd builtins[] = { + { "?", help, { OPT|STR, NO, NO, NO }, + { "command", "", "", "" }, + "tell the use and syntax of commands" }, + { "help", help, { OPT|STR, NO, NO, NO }, + { "command", "", "", "" }, + "tell the use and syntax of commands" }, + { "timeout", timeout, { OPT|UINT, NO, NO, NO }, + { "msec", "", "", "" }, + "set the primary receive time out" }, + { "delay", auth_delay, { OPT|INT, NO, NO, NO }, + { "msec", "", "", "" }, + "set the delay added to encryption time stamps" }, + { "host", host, { OPT|STR, NO, NO, NO }, + { "hostname", "", "", "" }, + "specify the host whose NTP server we talk to" }, + { "poll", ntp_poll, { OPT|UINT, OPT|STR, NO, NO }, + { "n", "verbose", "", "" }, + "poll an NTP server in client mode `n' times" }, + { "passwd", passwd, { NO, NO, NO, NO }, + { "", "", "", "" }, + "specify a password to use for authenticated requests"}, + { "hostnames", hostnames, { OPT|STR, NO, NO, NO }, + { "yes|no", "", "", "" }, + "specify whether hostnames or net numbers are printed"}, + { "debug", setdebug, { OPT|STR, NO, NO, NO }, + { "no|more|less", "", "", "" }, + "set/change debugging level" }, + { "quit", quit, { NO, NO, NO, NO }, + { "", "", "", "" }, + "exit ntpq" }, + { "exit", quit, { NO, NO, NO, NO }, + { "", "", "", "" }, + "exit ntpq" }, + { "keyid", keyid, { OPT|UINT, NO, NO, NO }, + { "key#", "", "", "" }, + "set keyid to use for authenticated requests" }, + { "version", version, { NO, NO, NO, NO }, + { "", "", "", "" }, + "print version number" }, + { "raw", raw, { NO, NO, NO, NO }, + { "", "", "", "" }, + "do raw mode variable output" }, + { "cooked", cooked, { NO, NO, NO, NO }, + { "", "", "", "" }, + "do cooked mode variable output" }, + { "authenticate", authenticate, { OPT|STR, NO, NO, NO }, + { "yes|no", "", "", "" }, + "always authenticate requests to this server" }, + { "ntpversion", ntpversion, { OPT|UINT, NO, NO, NO }, + { "version number", "", "", "" }, + "set the NTP version number to use for requests" }, + { "keytype", keytype, { OPT|STR, NO, NO, NO }, + { "key type (md5|des)", "", "", "" }, + "set key type to use for authenticated requests (des|md5)" }, + { 0, 0, { NO, NO, NO, NO }, + { "", "", "", "" }, "" } +}; + + +/* + * Default values we use. + */ +#define DEFTIMEOUT (5) /* 5 second time out */ +#define DEFSTIMEOUT (2) /* 2 second time out after first */ +#define DEFDELAY 0x51EB852 /* 20 milliseconds, l_fp fraction */ +#define DEFHOST "localhost" /* default host name */ +#define LENHOSTNAME 256 /* host name is 256 characters long */ +#define MAXCMDS 100 /* maximum commands on cmd line */ +#define MAXHOSTS 200 /* maximum hosts on cmd line */ +#define MAXLINE 512 /* maximum line length */ +#define MAXTOKENS (1+MAXARGS+2) /* maximum number of usable tokens */ +#define MAXVARLEN 256 /* maximum length of a variable name */ +#define MAXVALLEN 400 /* maximum length of a variable value */ +#define MAXOUTLINE 72 /* maximum length of an output line */ + +/* + * Some variables used and manipulated locally + */ +struct timeval tvout = { DEFTIMEOUT, 0 }; /* time out for reads */ +struct timeval tvsout = { DEFSTIMEOUT, 0 }; /* secondary time out */ +l_fp delay_time; /* delay time */ +char currenthost[LENHOSTNAME]; /* current host name */ +struct sockaddr_in hostaddr = { 0 }; /* host address */ +int showhostnames = 1; /* show host names by default */ + +int sockfd; /* fd socket is opened on */ +int havehost = 0; /* set to 1 when host open */ +struct servent *server_entry = NULL; /* server entry for ntp */ + +#ifdef SYS_WINNT +WORD wVersionRequested; +WSADATA wsaData; +DWORD NumberOfBytesWritten; + +HANDLE TimerThreadHandle = NULL; /* 1998/06/03 - Used in ntplib/machines.c */ +void timer(void) { ; }; /* 1998/06/03 - Used in ntplib/machines.c */ + +#endif /* SYS_WINNT */ + +/* + * Sequence number used for requests. It is incremented before + * it is used. + */ +u_short sequence; + +/* + * Holds data returned from queries. Declare buffer long to be sure of + * alignment. + */ +#define MAXFRAGS 24 /* maximum number of fragments */ +#define DATASIZE (MAXFRAGS*480) /* maximum amount of data */ +long pktdata[DATASIZE/sizeof(long)]; + +/* + * Holds association data for use with the &n operator. + */ +struct association assoc_cache[MAXASSOC]; +int numassoc = 0; /* number of cached associations */ + +/* + * For commands typed on the command line (with the -c option) + */ +int numcmds = 0; +const char *ccmds[MAXCMDS]; +#define ADDCMD(cp) if (numcmds < MAXCMDS) ccmds[numcmds++] = (cp) + +/* + * When multiple hosts are specified. + */ +int numhosts = 0; +const char *chosts[MAXHOSTS]; +#define ADDHOST(cp) if (numhosts < MAXHOSTS) chosts[numhosts++] = (cp) + +/* + * Error codes for internal use + */ +#define ERR_UNSPEC 256 +#define ERR_INCOMPLETE 257 +#define ERR_TIMEOUT 258 +#define ERR_TOOMUCH 259 + +/* + * Macro definitions we use + */ +#define ISSPACE(c) ((c) == ' ' || (c) == '\t') +#define ISEOL(c) ((c) == '\n' || (c) == '\r' || (c) == '\0') +#define STREQ(a, b) (*(a) == *(b) && strcmp((a), (b)) == 0) + +/* + * Jump buffer for longjumping back to the command level + */ +jmp_buf interrupt_buf; + +/* + * Points at file being currently printed into + */ +FILE *current_output; + +/* + * Command table imported from ntpdc_ops.c + */ +extern struct xcmd opcmds[]; + +char *progname; +volatile int debug; + +#ifdef NO_MAIN_ALLOWED +CALL(ntpq,"ntpq",ntpqmain); + +void clear_globals(void) +{ + extern int ntp_optind; + extern char *ntp_optarg; + showhostnames = 0; /* don'tshow host names by default */ + ntp_optind = 0; + ntp_optarg = 0; + server_entry = NULL; /* server entry for ntp */ + havehost = 0; /* set to 1 when host open */ + numassoc = 0; /* number of cached associations */ + numcmds = 0; + numhosts = 0; +} +#endif + +/* + * main - parse arguments and handle options + */ +#ifndef NO_MAIN_ALLOWED +int +main( + int argc, + char *argv[] + ) +{ + return ntpqmain(argc, argv); +} +#endif + +int +ntpqmain( + int argc, + char *argv[] + ) +{ + int c; + int errflg = 0; + extern int ntp_optind; + extern char *ntp_optarg; + +#ifdef NO_MAIN_ALLOWED + clear_globals(); + taskPrioritySet(taskIdSelf(), 100 ); +#endif + delay_time.l_ui = 0; + delay_time.l_uf = DEFDELAY; + + progname = argv[0]; + while ((c = ntp_getopt(argc, argv, "c:dinp")) != EOF) + switch (c) { + case 'c': + ADDCMD(ntp_optarg); + break; + case 'd': + ++debug; + break; + case 'i': + interactive = 1; + break; + case 'n': + showhostnames = 0; + break; + case 'p': + ADDCMD("peers"); + break; + default: + errflg++; + break; + } + if (errflg) { + (void) fprintf(stderr, + "usage: %s [-dinp] [-c cmd] host ...\n", + progname); + exit(2); + } + if (ntp_optind == argc) { + ADDHOST(DEFHOST); + } else { + for (; ntp_optind < argc; ntp_optind++) + ADDHOST(argv[ntp_optind]); + } + + if (numcmds == 0 && interactive == 0 + && isatty(fileno(stdin)) && isatty(fileno(stderr))) { + interactive = 1; + } + +#ifndef SYS_WINNT /* Under NT cannot handle SIGINT, WIN32 spawns a handler */ + if (interactive) + (void) signal_no_reset(SIGINT, abortcmd); +#endif /* SYS_WINNT */ + +#ifdef SYS_WINNT + wVersionRequested = MAKEWORD(1,1); + if (WSAStartup(wVersionRequested, &wsaData)) { + fprintf(stderr, "No useable winsock.dll"); + exit(1); + } +#endif /* SYS_WINNT */ + + if (numcmds == 0) { + (void) openhost(chosts[0]); + getcmds(); + } else { + int ihost; + int icmd; + + for (ihost = 0; ihost < numhosts; ihost++) { + if (openhost(chosts[ihost])) + for (icmd = 0; icmd < numcmds; icmd++) + docmd(ccmds[icmd]); + } + } +#ifdef SYS_WINNT + WSACleanup(); +#endif /* SYS_WINNT */ + return 0; +} + + +/* + * openhost - open a socket to a host + */ +static int +openhost( + const char *hname + ) +{ + u_int32 netnum; + char temphost[LENHOSTNAME]; + + if (server_entry == NULL) { + server_entry = getservbyname("ntp", "udp"); + if (server_entry == NULL) { +#ifdef VMS /* UCX getservbyname() doesn't work [yet], but we do know better */ + server_entry = (struct servent *) + malloc(sizeof(struct servent)); + server_entry->s_port = htons(NTP_PORT); +#else + (void) fprintf(stderr, "%s: ntp/udp: unknown service\n", + progname); + exit(1); +#endif /* VMS & UCX */ + } + if (debug > 2) + printf("Got ntp/udp service entry\n"); + } + + if (!getnetnum(hname, &netnum, temphost)) + return 0; + + if (debug > 2) + printf("Opening host %s\n", temphost); + + if (havehost == 1) { + if (debug > 2) + printf("Closing old host %s\n", currenthost); + (void) closesocket(sockfd); + havehost = 0; + } + (void) strcpy(currenthost, temphost); + + hostaddr.sin_family = AF_INET; +#ifndef SYS_VXWORKS + hostaddr.sin_port = server_entry->s_port; +#else + hostaddr.sin_port = htons(SERVER_PORT_NUM); +#endif + hostaddr.sin_addr.s_addr = netnum; + +#ifdef SYS_WINNT + { + int optionValue = SO_SYNCHRONOUS_NONALERT; + int err; + err = setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE, (char *)&optionValue, sizeof(optionValue)); + if (err != NO_ERROR) { + (void) fprintf(stderr, "cannot open nonoverlapped sockets\n"); + exit(1); + } + } + + + sockfd = socket(AF_INET, SOCK_DGRAM, 0); + if (sockfd == INVALID_SOCKET) { + error("socket", "", ""); + exit(-1); + } +#else + sockfd = socket(AF_INET, SOCK_DGRAM, 0); + if (sockfd == -1) + error("socket", "", ""); +#endif /* SYS_WINNT */ + + +#ifdef NEED_RCVBUF_SLOP +# ifdef SO_RCVBUF + { int rbufsize = DATASIZE + 2048; /* 2K for slop */ + if (setsockopt(sockfd, SOL_SOCKET, SO_RCVBUF, + &rbufsize, sizeof(int)) == -1) + error("setsockopt", "", ""); + } +# endif +#endif + + if (connect(sockfd, (struct sockaddr *)&hostaddr, + sizeof(hostaddr)) == -1) + error("connect", "", ""); + + havehost = 1; + return 1; +} + + +/* XXX ELIMINATE sendpkt similar in ntpq.c, ntpdc.c, ntp_io.c, ntptrace.c */ +/* + * sendpkt - send a packet to the remote host + */ +static int +sendpkt( + char *xdata, + int xdatalen + ) +{ + if (debug >= 3) + printf("Sending %d octets\n", xdatalen); + + + if (send(sockfd, xdata, xdatalen, 0) == -1) { + warning("write to %s failed", currenthost, ""); + return -1; + } + + if (debug >= 4) { + int first = 8; + printf("Packet data:\n"); + while (xdatalen-- > 0) { + if (first-- == 0) { + printf("\n"); + first = 7; + } + printf(" %02x", *xdata++ & 0xff); + } + printf("\n"); + } + return 0; +} + + + +/* + * getresponse - get a (series of) response packet(s) and return the data + */ +static int +getresponse( + int opcode, + int associd, + u_short *rstatus, + int *rsize, + char **rdata, + int timeo + ) +{ + struct ntp_control rpkt; + struct timeval tvo; + u_short offsets[MAXFRAGS+1]; + u_short counts[MAXFRAGS+1]; + u_short offset; + u_short count; + int numfrags; + int seenlastfrag; + fd_set fds; + int n; + + /* + * This is pretty tricky. We may get between 1 and MAXFRAG packets + * back in response to the request. We peel the data out of + * each packet and collect it in one long block. When the last + * packet in the sequence is received we'll know how much data we + * should have had. Note we use one long time out, should reconsider. + */ + *rsize = 0; + if (rstatus) + *rstatus = 0; + *rdata = (char *)pktdata; + + numfrags = 0; + seenlastfrag = 0; + + FD_ZERO(&fds); + + again: + if (numfrags == 0) + tvo = tvout; + else + tvo = tvsout; + + FD_SET(sockfd, &fds); + n = select(sockfd+1, &fds, (fd_set *)0, (fd_set *)0, &tvo); + +#if 0 + if (debug >= 1) + printf("select() returns %d\n", n); +#endif + + if (n == -1) { + warning("select fails", "", ""); + return -1; + } + if (n == 0) { + /* + * Timed out. Return what we have + */ + if (numfrags == 0) { + if (timeo) + (void) fprintf(stderr, + "%s: timed out, nothing received\n", + currenthost); + return ERR_TIMEOUT; + } else { + if (timeo) + (void) fprintf(stderr, + "%s: timed out with incomplete data\n", + currenthost); + if (debug) { + printf("Received fragments:\n"); + for (n = 0; n < numfrags; n++) + printf("%4d %d\n", offsets[n], + counts[n]); + if (seenlastfrag) + printf("last fragment received\n"); + else + printf("last fragment not received\n"); + } + return ERR_INCOMPLETE; + } + } + + n = recv(sockfd, (char *)&rpkt, sizeof(rpkt), 0); + if (n == -1) { + warning("read", "", ""); + return -1; + } + + if (debug >= 4) { + int len = n, first = 8; + char *data = (char *)&rpkt; + + printf("Packet data:\n"); + while (len-- > 0) { + if (first-- == 0) { + printf("\n"); + first = 7; + } + printf(" %02x", *data++ & 0xff); + } + printf("\n"); + } + + /* + * Check for format errors. Bug proofing. + */ + if (n < CTL_HEADER_LEN) { + if (debug) + printf("Short (%d byte) packet received\n", n); + goto again; + } + if (PKT_VERSION(rpkt.li_vn_mode) > NTP_VERSION + || PKT_VERSION(rpkt.li_vn_mode) < NTP_OLDVERSION) { + if (debug) + printf("Packet received with version %d\n", + PKT_VERSION(rpkt.li_vn_mode)); + goto again; + } + if (PKT_MODE(rpkt.li_vn_mode) != MODE_CONTROL) { + if (debug) + printf("Packet received with mode %d\n", + PKT_MODE(rpkt.li_vn_mode)); + goto again; + } + if (!CTL_ISRESPONSE(rpkt.r_m_e_op)) { + if (debug) + printf("Received request packet, wanted response\n"); + goto again; + } + + /* + * Check opcode and sequence number for a match. + * Could be old data getting to us. + */ + if (ntohs(rpkt.sequence) != sequence) { + if (debug) + printf( + "Received sequnce number %d, wanted %d\n", + ntohs(rpkt.sequence), sequence); + goto again; + } + if (CTL_OP(rpkt.r_m_e_op) != opcode) { + if (debug) + printf( + "Received opcode %d, wanted %d (sequence number okay)\n", + CTL_OP(rpkt.r_m_e_op), opcode); + goto again; + } + + /* + * Check the error code. If non-zero, return it. + */ + if (CTL_ISERROR(rpkt.r_m_e_op)) { + int errcode; + + errcode = (ntohs(rpkt.status) >> 8) & 0xff; + if (debug && CTL_ISMORE(rpkt.r_m_e_op)) { + printf("Error code %d received on not-final packet\n", + errcode); + } + if (errcode == CERR_UNSPEC) + return ERR_UNSPEC; + return errcode; + } + + /* + * Check the association ID to make sure it matches what + * we sent. + */ + if (ntohs(rpkt.associd) != associd) { + if (debug) + printf("Association ID %d doesn't match expected %d\n", + ntohs(rpkt.associd), associd); + /* + * Hack for silly fuzzballs which, at the time of writing, + * return an assID of sys.peer when queried for system variables. + */ +#ifdef notdef + goto again; +#endif + } + + /* + * Collect offset and count. Make sure they make sense. + */ + offset = ntohs(rpkt.offset); + count = ntohs(rpkt.count); + + if (debug >= 3) { + int shouldbesize; + u_long key; + u_long *lpkt; + int maclen; + + /* + * Usually we ignore authentication, but for debugging purposes + * we watch it here. + */ + shouldbesize = CTL_HEADER_LEN + count; + + /* round to 8 octet boundary */ + shouldbesize = (shouldbesize + 7) & ~7; + + if (n & 0x3) { + printf("Packet not padded, size = %d\n", n); + } if ((maclen = n - shouldbesize) >= MIN_MAC_LEN) { + printf( + "Packet shows signs of authentication (total %d, data %d, mac %d)\n", + n, shouldbesize, maclen); + lpkt = (u_long *)&rpkt; + printf("%08lx %08lx %08lx %08lx %08lx %08lx\n", + (u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) - 3]), + (u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) - 2]), + (u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) - 1]), + (u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long)]), + (u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) + 1]), + (u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) + 2])); + key = ntohl(lpkt[(n - maclen) / sizeof(u_long)]); + printf("Authenticated with keyid %lu\n", (u_long)key); + if (key != 0 && key != info_auth_keyid) { + printf("We don't know that key\n"); + } else { + if (authdecrypt(key, (u_int32 *)&rpkt, + n - maclen, maclen)) { + printf("Auth okay!\n"); + } else { + printf("Auth failed!\n"); + } + } + } + } + + if (debug >= 2) + printf("Got packet, size = %d\n", n); + if (count > (u_short)(n-CTL_HEADER_LEN)) { + if (debug) + printf( + "Received count of %d octets, data in packet is %d\n", + count, n-CTL_HEADER_LEN); + goto again; + } + if (count == 0 && CTL_ISMORE(rpkt.r_m_e_op)) { + if (debug) + printf("Received count of 0 in non-final fragment\n"); + goto again; + } + if (offset + count > sizeof(pktdata)) { + if (debug) + printf("Offset %d, count %d, too big for buffer\n", + offset, count); + return ERR_TOOMUCH; + } + if (seenlastfrag && !CTL_ISMORE(rpkt.r_m_e_op)) { + if (debug) + printf("Received second last fragment packet\n"); + goto again; + } + + /* + * So far, so good. Record this fragment, making sure it doesn't + * overlap anything. + */ + if (debug >= 2) + printf("Packet okay\n");; + + if (numfrags == MAXFRAGS) { + if (debug) + printf("Number of fragments exceeds maximum\n"); + return ERR_TOOMUCH; + } + + for (n = 0; n < numfrags; n++) { + if (offset == offsets[n]) + goto again; /* duplicate */ + if (offset < offsets[n]) + break; + } + + if ((u_short)(n > 0 && offsets[n-1] + counts[n-1]) > offset) + goto overlap; + if (n < numfrags && (u_short)(offset + count) > offsets[n]) + goto overlap; + + { + register int i; + + for (i = numfrags; i > n; i--) { + offsets[i] = offsets[i-1]; + counts[i] = counts[i-1]; + } + } + offsets[n] = offset; + counts[n] = count; + numfrags++; + + /* + * Got that stuffed in right. Figure out if this was the last. + * Record status info out of the last packet. + */ + if (!CTL_ISMORE(rpkt.r_m_e_op)) { + seenlastfrag = 1; + if (rstatus != 0) + *rstatus = ntohs(rpkt.status); + } + + /* + * Copy the data into the data buffer. + */ + memmove((char *)pktdata + offset, (char *)rpkt.data, count); + + /* + * If we've seen the last fragment, look for holes in the sequence. + * If there aren't any, we're done. + */ + if (seenlastfrag && offsets[0] == 0) { + for (n = 1; n < numfrags; n++) { + if (offsets[n-1] + counts[n-1] != offsets[n]) + break; + } + if (n == numfrags) { + *rsize = offsets[numfrags-1] + counts[numfrags-1]; + return 0; + } + } + goto again; + + overlap: + /* + * Print debugging message about overlapping fragments + */ + if (debug) + printf("Overlapping fragments returned in response\n"); + goto again; +} + + +/* + * sendrequest - format and send a request packet + */ +static int +sendrequest( + int opcode, + int associd, + int auth, + int qsize, + char *qdata + ) +{ + struct ntp_control qpkt; + int pktsize; + + /* + * Check to make sure the data will fit in one packet + */ + if (qsize > CTL_MAX_DATA_LEN) { + (void) fprintf(stderr, + "***Internal error! qsize (%d) too large\n", + qsize); + return 1; + } + + /* + * Fill in the packet + */ + qpkt.li_vn_mode = PKT_LI_VN_MODE(0, pktversion, MODE_CONTROL); + qpkt.r_m_e_op = (u_char)opcode & CTL_OP_MASK; + qpkt.sequence = htons(sequence); + qpkt.status = 0; + qpkt.associd = htons((u_short)associd); + qpkt.offset = 0; + qpkt.count = htons((u_short)qsize); + + /* + * If we have data, copy it in and pad it out to a 64 + * bit boundary. + */ + if (qsize > 0) { + memmove((char *)qpkt.data, qdata, (unsigned)qsize); + pktsize = qsize + CTL_HEADER_LEN; + while (pktsize & (sizeof(u_long) - 1)) { + qpkt.data[qsize++] = 0; + pktsize++; + } + } else { + pktsize = CTL_HEADER_LEN; + } + + /* + * If it isn't authenticated we can just send it. Otherwise + * we're going to have to think about it a little. + */ + if (!auth && !always_auth) { + return sendpkt((char *)&qpkt, pktsize); + } else { + const char *pass = "\0"; + int maclen = 0; + u_long my_keyid; + + /* + * Pad out packet to a multiple of 8 octets to be sure + * receiver can handle it. + */ + while (pktsize & 7) { + qpkt.data[qsize++] = 0; + pktsize++; + } + + /* + * Get the keyid and the password if we don't have one. + */ + if (info_auth_keyid == 0) { + maclen = getkeyid("Keyid: "); + if (maclen == 0) { + (void) fprintf(stderr, + "Invalid key identifier\n"); + return 1; + } + } + if (!authistrusted(info_auth_keyid)) { + pass = getpass((info_auth_keytype == KEY_TYPE_DES) + ? "DES Password: " : "MD5 Password: "); + if (*pass == '\0') { + (void) fprintf(stderr, + "Invalid password\n"); + return (1); + } + } + info_auth_keyid = maclen; + authusekey(info_auth_keyid, info_auth_keytype, (const u_char *)pass); + authtrust(info_auth_keyid, 1); + + /* + * Stick the keyid in the packet where + * cp currently points. Cp should be aligned + * properly. Then do the encryptions. + */ + my_keyid = htonl(info_auth_keyid); + memcpy(&qpkt.data[qsize], &my_keyid, sizeof my_keyid); + maclen = authencrypt(info_auth_keyid, (u_int32 *)&qpkt, + pktsize); + if (maclen == 0) { + (void) fprintf(stderr, "Key not found\n"); + return (1); + } + return sendpkt((char *)&qpkt, pktsize + maclen); + } + /*NOTREACHED*/ +} + + +/* + * doquery - send a request and process the response + */ +int +doquery( + int opcode, + int associd, + int auth, + int qsize, + char *qdata, + u_short *rstatus, + int *rsize, + char **rdata + ) +{ + int res; + int done; + + /* + * Check to make sure host is open + */ + if (!havehost) { + (void) fprintf(stderr, "***No host open, use `host' command\n"); + return -1; + } + + done = 0; + sequence++; + + again: + /* + * send a request + */ + res = sendrequest(opcode, associd, auth, qsize, qdata); + if (res != 0) + return res; + + /* + * Get the response. If we got a standard error, print a message + */ + res = getresponse(opcode, associd, rstatus, rsize, rdata, done); + + if (res > 0) { + if (!done && (res == ERR_TIMEOUT || res == ERR_INCOMPLETE)) { + if (res == ERR_INCOMPLETE) { + /* + * better bump the sequence so we don't + * get confused about differing fragments. + */ + sequence++; + } + done = 1; + goto again; + } + switch(res) { + case CERR_BADFMT: + (void) fprintf(stderr, + "***Server reports a bad format request packet\n"); + break; + case CERR_PERMISSION: + (void) fprintf(stderr, + "***Server disallowed request (authentication?)\n"); + break; + case CERR_BADOP: + (void) fprintf(stderr, + "***Server reports a bad opcode in request\n"); + break; + case CERR_BADASSOC: + (void) fprintf(stderr, + "***Association ID %d unknown to server\n",associd); + break; + case CERR_UNKNOWNVAR: + (void) fprintf(stderr, + "***A request variable unknown to the server\n"); + break; + case CERR_BADVALUE: + (void) fprintf(stderr, + "***Server indicates a request variable was bad\n"); + break; + case ERR_UNSPEC: + (void) fprintf(stderr, + "***Server returned an unspecified error\n"); + break; + case ERR_TIMEOUT: + (void) fprintf(stderr, "***Request timed out\n"); + break; + case ERR_INCOMPLETE: + (void) fprintf(stderr, + "***Response from server was incomplete\n"); + break; + case ERR_TOOMUCH: + (void) fprintf(stderr, + "***Buffer size exceeded for returned data\n"); + break; + default: + (void) fprintf(stderr, + "***Server returns unknown error code %d\n", res); + break; + } + } + return res; +} + + +/* + * getcmds - read commands from the standard input and execute them + */ +static void +getcmds(void) +{ + char line[MAXLINE]; + + for (;;) { + if (interactive) { +#ifdef VMS /* work around a problem with mixing stdout & stderr */ + fputs("",stdout); +#endif + (void) fputs(prompt, stderr); + (void) fflush(stderr); + } + + if (fgets(line, sizeof line, stdin) == NULL) + return; + + docmd(line); + } +} + + +/* + * abortcmd - catch interrupts and abort the current command + */ +static RETSIGTYPE +abortcmd( + int sig + ) +{ + if (current_output == stdout) + (void) fflush(stdout); + putc('\n', stderr); + (void) fflush(stderr); + if (jump) longjmp(interrupt_buf, 1); +} + + +/* + * docmd - decode the command line and execute a command + */ +static void +docmd( + const char *cmdline + ) +{ + char *tokens[1+MAXARGS+2]; + struct parse pcmd; + int ntok; + static int i; + struct xcmd *xcmd; + + /* + * Tokenize the command line. If nothing on it, return. + */ + tokenize(cmdline, tokens, &ntok); + if (ntok == 0) + return; + + /* + * Find the appropriate command description. + */ + i = findcmd(tokens[0], builtins, opcmds, &xcmd); + if (i == 0) { + (void) fprintf(stderr, "***Command `%s' unknown\n", + tokens[0]); + return; + } else if (i >= 2) { + (void) fprintf(stderr, "***Command `%s' ambiguous\n", + tokens[0]); + return; + } + + /* + * Save the keyword, then walk through the arguments, interpreting + * as we go. + */ + pcmd.keyword = tokens[0]; + pcmd.nargs = 0; + for (i = 0; i < MAXARGS && xcmd->arg[i] != NO; i++) { + if ((i+1) >= ntok) { + if (!(xcmd->arg[i] & OPT)) { + printusage(xcmd, stderr); + return; + } + break; + } + if ((xcmd->arg[i] & OPT) && (*tokens[i+1] == '>')) + break; + if (!getarg(tokens[i+1], (int)xcmd->arg[i], &pcmd.argval[i])) + return; + pcmd.nargs++; + } + + i++; + if (i < ntok && *tokens[i] == '>') { + char *fname; + + if (*(tokens[i]+1) != '\0') + fname = tokens[i]+1; + else if ((i+1) < ntok) + fname = tokens[i+1]; + else { + (void) fprintf(stderr, "***No file for redirect\n"); + return; + } + + current_output = fopen(fname, "w"); + if (current_output == NULL) { + (void) fprintf(stderr, "***Error opening %s: ", fname); + perror(""); + return; + } + i = 1; /* flag we need a close */ + } else { + current_output = stdout; + i = 0; /* flag no close */ + } + + if (interactive && setjmp(interrupt_buf)) { + jump = 0; + return; + } else { + jump++; + (xcmd->handler)(&pcmd, current_output); + jump = 0; /* HMS: 961106: was after fclose() */ + if (i) (void) fclose(current_output); + } +} + + +/* + * tokenize - turn a command line into tokens + */ +static void +tokenize( + const char *line, + char **tokens, + int *ntok + ) +{ + register const char *cp; + register char *sp; + static char tspace[MAXLINE]; + + sp = tspace; + cp = line; + for (*ntok = 0; *ntok < MAXTOKENS; (*ntok)++) { + tokens[*ntok] = sp; + while (ISSPACE(*cp)) + cp++; + if (ISEOL(*cp)) + break; + do { + *sp++ = *cp++; + } while (!ISSPACE(*cp) && !ISEOL(*cp)); + + *sp++ = '\0'; + } +} + + + +/* + * findcmd - find a command in a command description table + */ +static int +findcmd( + register char *str, + struct xcmd *clist1, + struct xcmd *clist2, + struct xcmd **cmd + ) +{ + register struct xcmd *cl; + register int clen; + int nmatch; + struct xcmd *nearmatch = NULL; + struct xcmd *clist; + + clen = strlen(str); + nmatch = 0; + if (clist1 != 0) + clist = clist1; + else if (clist2 != 0) + clist = clist2; + else + return 0; + + again: + for (cl = clist; cl->keyword != 0; cl++) { + /* do a first character check, for efficiency */ + if (*str != *(cl->keyword)) + continue; + if (strncmp(str, cl->keyword, (unsigned)clen) == 0) { + /* + * Could be extact match, could be approximate. + * Is exact if the length of the keyword is the + * same as the str. + */ + if (*((cl->keyword) + clen) == '\0') { + *cmd = cl; + return 1; + } + nmatch++; + nearmatch = cl; + } + } + + /* + * See if there is more to do. If so, go again. Sorry about the + * goto, too much looking at BSD sources... + */ + if (clist == clist1 && clist2 != 0) { + clist = clist2; + goto again; + } + + /* + * If we got extactly 1 near match, use it, else return number + * of matches. + */ + if (nmatch == 1) { + *cmd = nearmatch; + return 1; + } + return nmatch; +} + + +/* + * getarg - interpret an argument token + */ +static int +getarg( + char *str, + int code, + arg_v *argp + ) +{ + int isneg; + char *cp, *np; + static const char *digits = "0123456789"; + + switch (code & ~OPT) { + case STR: + argp->string = str; + break; + case ADD: + if (!getnetnum(str, &(argp->netnum), (char *)0)) { + return 0; + } + break; + case INT: + case UINT: + isneg = 0; + np = str; + if (*np == '&') { + np++; + isneg = atoi(np); + if (isneg <= 0) { + (void) fprintf(stderr, + "***Association value `%s' invalid/undecodable\n", str); + return 0; + } + if (isneg > numassoc) { + (void) fprintf(stderr, + "***Association for `%s' unknown (max &%d)\n", + str, numassoc); + return 0; + } + argp->uval = assoc_cache[isneg-1].assid; + break; + } + + if (*np == '-') { + np++; + isneg = 1; + } + + argp->uval = 0; + do { + cp = strchr(digits, *np); + if (cp == NULL) { + (void) fprintf(stderr, + "***Illegal integer value %s\n", str); + return 0; + } + argp->uval *= 10; + argp->uval += (cp - digits); + } while (*(++np) != '\0'); + + if (isneg) { + if ((code & ~OPT) == UINT) { + (void) fprintf(stderr, + "***Value %s should be unsigned\n", str); + return 0; + } + argp->ival = -argp->ival; + } + break; + } + + return 1; +} + + +/* + * getnetnum - given a host name, return its net number + * and (optional) full name + */ +int +getnetnum( + const char *hname, + u_int32 *num, + char *fullhost + ) +{ + struct hostent *hp; + + if (decodenetnum(hname, num)) { + if (fullhost != 0) { + (void) sprintf(fullhost, "%lu.%lu.%lu.%lu", + (u_long)((htonl(*num) >> 24) & 0xff), + (u_long)((htonl(*num) >> 16) & 0xff), + (u_long)((htonl(*num) >> 8) & 0xff), + (u_long)(htonl(*num) & 0xff)); + } + return 1; + } else if ((hp = gethostbyname(hname)) != 0) { + memmove((char *)num, hp->h_addr, sizeof(u_int32)); + if (fullhost != 0) + (void) strcpy(fullhost, hp->h_name); + return 1; + } else { + (void) fprintf(stderr, "***Can't find host %s\n", hname); + return 0; + } + /*NOTREACHED*/ +} + +/* + * nntohost - convert network number to host name. This routine enforces + * the showhostnames setting. + */ +char * +nntohost( + u_int32 netnum + ) +{ + if (!showhostnames) + return numtoa(netnum); + if ((ntohl(netnum) & REFCLOCK_MASK) == REFCLOCK_ADDR) + return refnumtoa(netnum); + return numtohost(netnum); +} + + +/* + * rtdatetolfp - decode an RT-11 date into an l_fp + */ +static int +rtdatetolfp( + char *str, + l_fp *lfp + ) +{ + register char *cp; + register int i; + struct calendar cal; + char buf[4]; + static const char *months[12] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" + }; + + cal.yearday = 0; + + /* + * An RT-11 date looks like: + * + * d[d]-Mth-y[y] hh:mm:ss + * + * (No docs, but assume 4-digit years are also legal...) + * + * d[d]-Mth-y[y[y[y]]] hh:mm:ss + */ + cp = str; + if (!isdigit((int)*cp)) { + if (*cp == '-') { + /* + * Catch special case + */ + L_CLR(lfp); + return 1; + } + return 0; + } + + cal.monthday = *cp++ - '0'; /* ascii dependent */ + if (isdigit((int)*cp)) { + cal.monthday = (cal.monthday << 3) + (cal.monthday << 1); + cal.monthday += *cp++ - '0'; + } + + if (*cp++ != '-') + return 0; + + for (i = 0; i < 3; i++) + buf[i] = *cp++; + buf[3] = '\0'; + + for (i = 0; i < 12; i++) + if (STREQ(buf, months[i])) + break; + if (i == 12) + return 0; + cal.month = i + 1; + + if (*cp++ != '-') + return 0; + + if (!isdigit((int)*cp)) + return 0; + cal.year = *cp++ - '0'; + if (isdigit((int)*cp)) { + cal.year = (cal.year << 3) + (cal.year << 1); + cal.year += *cp++ - '0'; + } + if (isdigit((int)*cp)) { + cal.year = (cal.year << 3) + (cal.year << 1); + cal.year += *cp++ - '0'; + } + if (isdigit((int)*cp)) { + cal.year = (cal.year << 3) + (cal.year << 1); + cal.year += *cp++ - '0'; + } + + /* + * Catch special case. If cal.year == 0 this is a zero timestamp. + */ + if (cal.year == 0) { + L_CLR(lfp); + return 1; + } + + if (*cp++ != ' ' || !isdigit((int)*cp)) + return 0; + cal.hour = *cp++ - '0'; + if (isdigit((int)*cp)) { + cal.hour = (cal.hour << 3) + (cal.hour << 1); + cal.hour += *cp++ - '0'; + } + + if (*cp++ != ':' || !isdigit((int)*cp)) + return 0; + cal.minute = *cp++ - '0'; + if (isdigit((int)*cp)) { + cal.minute = (cal.minute << 3) + (cal.minute << 1); + cal.minute += *cp++ - '0'; + } + + if (*cp++ != ':' || !isdigit((int)*cp)) + return 0; + cal.second = *cp++ - '0'; + if (isdigit((int)*cp)) { + cal.second = (cal.second << 3) + (cal.second << 1); + cal.second += *cp++ - '0'; + } + + /* + * For RT-11, 1972 seems to be the pivot year + */ + if (cal.year < 72) + cal.year += 2000; + if (cal.year < 100) + cal.year += 1900; + + lfp->l_ui = caltontp(&cal); + lfp->l_uf = 0; + return 1; +} + + +/* + * decodets - decode a timestamp into an l_fp format number, with + * consideration of fuzzball formats. + */ +int +decodets( + char *str, + l_fp *lfp + ) +{ + /* + * If it starts with a 0x, decode as hex. + */ + if (*str == '0' && (*(str+1) == 'x' || *(str+1) == 'X')) + return hextolfp(str+2, lfp); + + /* + * If it starts with a '"', try it as an RT-11 date. + */ + if (*str == '"') { + register char *cp = str+1; + register char *bp; + char buf[30]; + + bp = buf; + while (*cp != '"' && *cp != '\0' && bp < &buf[29]) + *bp++ = *cp++; + *bp = '\0'; + return rtdatetolfp(buf, lfp); + } + + /* + * Might still be hex. Check out the first character. Talk + * about heuristics! + */ + if ((*str >= 'A' && *str <= 'F') || (*str >= 'a' && *str <= 'f')) + return hextolfp(str, lfp); + + /* + * Try it as a decimal. If this fails, try as an unquoted + * RT-11 date. This code should go away eventually. + */ + if (atolfp(str, lfp)) + return 1; + return rtdatetolfp(str, lfp); +} + + +/* + * decodetime - decode a time value. It should be in milliseconds + */ +int +decodetime( + char *str, + l_fp *lfp + ) +{ + return mstolfp(str, lfp); +} + + +/* + * decodeint - decode an integer + */ +int +decodeint( + char *str, + long *val + ) +{ + if (*str == '0') { + if (*(str+1) == 'x' || *(str+1) == 'X') + return hextoint(str+2, (u_long *)&val); + return octtoint(str, (u_long *)&val); + } + return atoint(str, val); +} + + +/* + * decodeuint - decode an unsigned integer + */ +int +decodeuint( + char *str, + u_long *val + ) +{ + if (*str == '0') { + if (*(str + 1) == 'x' || *(str + 1) == 'X') + return (hextoint(str + 2, val)); + return (octtoint(str, val)); + } + return (atouint(str, val)); +} + + +/* + * decodearr - decode an array of time values + */ +static int +decodearr( + char *str, + int *narr, + l_fp *lfparr + ) +{ + register char *cp, *bp; + register l_fp *lfp; + char buf[60]; + + lfp = lfparr; + cp = str; + *narr = 0; + + while (*narr < 8) { + while (isspace((int)*cp)) + cp++; + if (*cp == '\0') + break; + + bp = buf; + while (!isspace((int)*cp) && *cp != '\0') + *bp++ = *cp++; + *bp++ = '\0'; + + if (!decodetime(buf, lfp)) + return 0; + (*narr)++; + lfp++; + } + return 1; +} + + +/* + * Finally, the built in command handlers + */ + +/* + * help - tell about commands, or details of a particular command + */ +static void +help( + struct parse *pcmd, + FILE *fp + ) +{ + int i; + int n; + struct xcmd *xcp; + char *cmd; + const char *cmdsort[100]; + int length[100]; + int maxlength; + int numperline; + static const char *spaces = " "; /* 20 spaces */ + + if (pcmd->nargs == 0) { + n = 0; + for (xcp = builtins; xcp->keyword != 0; xcp++) { + if (*(xcp->keyword) != '?') + cmdsort[n++] = xcp->keyword; + } + for (xcp = opcmds; xcp->keyword != 0; xcp++) + cmdsort[n++] = xcp->keyword; + +#ifdef QSORT_USES_VOID_P + qsort(cmdsort, (unsigned)n, sizeof(char *), helpsort); +#else + qsort((char *)cmdsort, n, sizeof(char *), helpsort); +#endif + + maxlength = 0; + for (i = 0; i < n; i++) { + length[i] = strlen(cmdsort[i]); + if (length[i] > maxlength) + maxlength = length[i]; + } + maxlength++; + numperline = 76 / maxlength; + + (void) fprintf(fp, "Commands available:\n"); + for (i = 0; i < n; i++) { + if ((i % numperline) == (numperline-1) + || i == (n-1)) + (void) fprintf(fp, "%s\n", cmdsort[i]); + else + (void) fprintf(fp, "%s%s", cmdsort[i], + spaces+20-maxlength+length[i]); + } + } else { + cmd = pcmd->argval[0].string; + n = findcmd(cmd, builtins, opcmds, &xcp); + if (n == 0) { + (void) fprintf(stderr, + "Command `%s' is unknown\n", cmd); + return; + } else if (n >= 2) { + (void) fprintf(stderr, + "Command `%s' is ambiguous\n", cmd); + return; + } + (void) fprintf(fp, "function: %s\n", xcp->comment); + printusage(xcp, fp); + } +} + + +/* + * helpsort - do hostname qsort comparisons + */ +#ifdef QSORT_USES_VOID_P +static int +helpsort( + const void *t1, + const void *t2 + ) +{ + const char **name1 = (const char **)t1; + const char **name2 = (const char **)t2; + + return strcmp(*name1, *name2); +} + +#else +static int +helpsort( + char **name1, + char **name2 + ) +{ + return strcmp(*name1, *name2); +} +#endif + +/* + * printusage - print usage information for a command + */ +static void +printusage( + struct xcmd *xcp, + FILE *fp + ) +{ + register int i; + + (void) fprintf(fp, "usage: %s", xcp->keyword); + for (i = 0; i < MAXARGS && xcp->arg[i] != NO; i++) { + if (xcp->arg[i] & OPT) + (void) fprintf(fp, " [ %s ]", xcp->desc[i]); + else + (void) fprintf(fp, " %s", xcp->desc[i]); + } + (void) fprintf(fp, "\n"); +} + + +/* + * timeout - set time out time + */ +static void +timeout( + struct parse *pcmd, + FILE *fp + ) +{ + int val; + + if (pcmd->nargs == 0) { + val = tvout.tv_sec * 1000 + tvout.tv_usec / 1000; + (void) fprintf(fp, "primary timeout %d ms\n", val); + } else { + tvout.tv_sec = pcmd->argval[0].uval / 1000; + tvout.tv_usec = (pcmd->argval[0].uval - (tvout.tv_sec * 1000)) + * 1000; + } +} + + +/* + * auth_delay - set delay for auth requests + */ +static void +auth_delay( + struct parse *pcmd, + FILE *fp + ) +{ + int isneg; + u_long val; + + if (pcmd->nargs == 0) { + val = delay_time.l_ui * 1000 + delay_time.l_uf / 4294967; + (void) fprintf(fp, "delay %lu ms\n", val); + } else { + if (pcmd->argval[0].ival < 0) { + isneg = 1; + val = (u_long)(-pcmd->argval[0].ival); + } else { + isneg = 0; + val = (u_long)pcmd->argval[0].ival; + } + + delay_time.l_ui = val / 1000; + val %= 1000; + delay_time.l_uf = val * 4294967; /* 2**32/1000 */ + + if (isneg) + L_NEG(&delay_time); + } +} + + +/* + * host - set the host we are dealing with. + */ +static void +host( + struct parse *pcmd, + FILE *fp + ) +{ + if (pcmd->nargs == 0) { + if (havehost) + (void) fprintf(fp, "current host is %s\n", currenthost); + else + (void) fprintf(fp, "no current host\n"); + } else if (openhost(pcmd->argval[0].string)) { + (void) fprintf(fp, "current host set to %s\n", currenthost); + numassoc = 0; + } else { + if (havehost) + (void) fprintf(fp, + "current host remains %s\n", currenthost); + else + (void) fprintf(fp, "still no current host\n"); + } +} + + +/* + * poll - do one (or more) polls of the host via NTP + */ +/*ARGSUSED*/ +static void +ntp_poll( + struct parse *pcmd, + FILE *fp + ) +{ + (void) fprintf(fp, "poll not implemented yet\n"); +} + + +/* + * keyid - get a keyid to use for authenticating requests + */ +static void +keyid( + struct parse *pcmd, + FILE *fp + ) +{ + if (pcmd->nargs == 0) { + if (info_auth_keyid > NTP_MAXKEY) + (void) fprintf(fp, "no keyid defined\n"); + else + (void) fprintf(fp, "keyid is %lu\n", (u_long)info_auth_keyid); + } else { + info_auth_keyid = pcmd->argval[0].uval; + } +} + +/* + * keytype - get type of key to use for authenticating requests + */ +static void +keytype( + struct parse *pcmd, + FILE *fp + ) +{ + if (pcmd->nargs == 0) + fprintf(fp, "keytype is %s\n", + (info_auth_keytype == KEY_TYPE_MD5) ? "MD5" : "DES"); + else + switch (*(pcmd->argval[0].string)) { + case 'm': + case 'M': + info_auth_keytype = KEY_TYPE_MD5; + break; + + case 'd': + case 'D': + info_auth_keytype = KEY_TYPE_DES; + break; + + default: + fprintf(fp, "keytype must be 'md5' or 'des'\n"); + } +} + + + +/* + * passwd - get an authentication key + */ +/*ARGSUSED*/ +static void +passwd( + struct parse *pcmd, + FILE *fp + ) +{ + char *pass; + + if (info_auth_keyid > NTP_MAXKEY) { + info_auth_keyid = getkeyid("Keyid: "); + if (info_auth_keyid > NTP_MAXKEY) { + (void)fprintf(fp, "Keyid must be defined\n"); + return; + } + } + pass = getpass((info_auth_keytype == KEY_TYPE_DES) + ? "DES Password: " + : "MD5 Password: " + ); + if (*pass == '\0') + (void) fprintf(fp, "Password unchanged\n"); + else + authusekey(info_auth_keyid, info_auth_keytype, (u_char *)pass); +} + + +/* + * hostnames - set the showhostnames flag + */ +static void +hostnames( + struct parse *pcmd, + FILE *fp + ) +{ + if (pcmd->nargs == 0) { + if (showhostnames) + (void) fprintf(fp, "hostnames being shown\n"); + else + (void) fprintf(fp, "hostnames not being shown\n"); + } else { + if (STREQ(pcmd->argval[0].string, "yes")) + showhostnames = 1; + else if (STREQ(pcmd->argval[0].string, "no")) + showhostnames = 0; + else + (void)fprintf(stderr, "What?\n"); + } +} + + + +/* + * setdebug - set/change debugging level + */ +static void +setdebug( + struct parse *pcmd, + FILE *fp + ) +{ + if (pcmd->nargs == 0) { + (void) fprintf(fp, "debug level is %d\n", debug); + return; + } else if (STREQ(pcmd->argval[0].string, "no")) { + debug = 0; + } else if (STREQ(pcmd->argval[0].string, "more")) { + debug++; + } else if (STREQ(pcmd->argval[0].string, "less")) { + debug--; + } else { + (void) fprintf(fp, "What?\n"); + return; + } + (void) fprintf(fp, "debug level set to %d\n", debug); +} + + +/* + * quit - stop this nonsense + */ +/*ARGSUSED*/ +static void +quit( + struct parse *pcmd, + FILE *fp + ) +{ + if (havehost) + closesocket(sockfd); /* cleanliness next to godliness */ + exit(0); +} + + +/* + * version - print the current version number + */ +/*ARGSUSED*/ +static void +version( + struct parse *pcmd, + FILE *fp + ) +{ + + (void) fprintf(fp, "%s\n", Version); + return; +} + + +/* + * raw - set raw mode output + */ +/*ARGSUSED*/ +static void +raw( + struct parse *pcmd, + FILE *fp + ) +{ + rawmode = 1; + (void) fprintf(fp, "Output set to raw\n"); +} + + +/* + * cooked - set cooked mode output + */ +/*ARGSUSED*/ +static void +cooked( + struct parse *pcmd, + FILE *fp + ) +{ + rawmode = 0; + (void) fprintf(fp, "Output set to cooked\n"); + return; +} + + +/* + * authenticate - always authenticate requests to this host + */ +static void +authenticate( + struct parse *pcmd, + FILE *fp + ) +{ + if (pcmd->nargs == 0) { + if (always_auth) { + (void) fprintf(fp, + "authenticated requests being sent\n"); + } else + (void) fprintf(fp, + "unauthenticated requests being sent\n"); + } else { + if (STREQ(pcmd->argval[0].string, "yes")) { + always_auth = 1; + } else if (STREQ(pcmd->argval[0].string, "no")) { + always_auth = 0; + } else + (void)fprintf(stderr, "What?\n"); + } +} + + +/* + * ntpversion - choose the NTP version to use + */ +static void +ntpversion( + struct parse *pcmd, + FILE *fp + ) +{ + if (pcmd->nargs == 0) { + (void) fprintf(fp, + "NTP version being claimed is %d\n", pktversion); + } else { + if (pcmd->argval[0].uval < NTP_OLDVERSION + || pcmd->argval[0].uval > NTP_VERSION) { + (void) fprintf(stderr, "versions %d to %d, please\n", + NTP_OLDVERSION, NTP_VERSION); + } else { + pktversion = (u_char) pcmd->argval[0].uval; + } + } +} + + +/* + * warning - print a warning message + */ +static void +warning( + const char *fmt, + const char *st1, + const char *st2 + ) +{ + (void) fprintf(stderr, "%s: ", progname); + (void) fprintf(stderr, fmt, st1, st2); + (void) fprintf(stderr, ": "); + perror(""); +} + + +/* + * error - print a message and exit + */ +static void +error( + const char *fmt, + const char *st1, + const char *st2 + ) +{ + warning(fmt, st1, st2); + exit(1); +} + +/* + * getkeyid - prompt the user for a keyid to use + */ +static u_long +getkeyid( + const char *keyprompt + ) +{ + register char *p; + register int c; + FILE *fi; + char pbuf[20]; + +#ifndef SYS_WINNT + if ((fi = fdopen(open("/dev/tty", 2), "r")) == NULL) +#else + if ((fi = _fdopen((int)GetStdHandle(STD_INPUT_HANDLE), "r")) == NULL) +#endif /* SYS_WINNT */ + fi = stdin; + else + setbuf(fi, (char *)NULL); + fprintf(stderr, "%s", keyprompt); fflush(stderr); + for (p=pbuf; (c = getc(fi))!='\n' && c!=EOF;) { + if (p < &pbuf[18]) + *p++ = c; + } + *p = '\0'; + if (fi != stdin) + fclose(fi); + if (strcmp(pbuf, "0") == 0) + return 0; + + return (u_long) atoi(pbuf); +} + + +/* + * atoascii - printable-ize possibly ascii data using the character + * transformations cat -v uses. + */ +static void +atoascii( + int length, + char *data, + char *outdata + ) +{ + register u_char *cp; + register u_char *ocp; + register u_char c; + + if (!data) + { + *outdata = '\0'; + return; + } + + ocp = (u_char *)outdata; + for (cp = (u_char *)data; cp < (u_char *)data + length; cp++) { + c = *cp; + if (c == '\0') + break; + if (c == '\0') + break; + if (c > 0177) { + *ocp++ = 'M'; + *ocp++ = '-'; + c &= 0177; + } + + if (c < ' ') { + *ocp++ = '^'; + *ocp++ = c + '@'; + } else if (c == 0177) { + *ocp++ = '^'; + *ocp++ = '?'; + } else { + *ocp++ = c; + } + if (ocp >= ((u_char *)outdata + length - 4)) + break; + } + *ocp++ = '\0'; +} + + + +/* + * makeascii - print possibly ascii data using the character + * transformations that cat -v uses. + */ +static void +makeascii( + int length, + char *data, + FILE *fp + ) +{ + register u_char *cp; + register int c; + + for (cp = (u_char *)data; cp < (u_char *)data + length; cp++) { + c = (int)*cp; + if (c > 0177) { + putc('M', fp); + putc('-', fp); + c &= 0177; + } + + if (c < ' ') { + putc('^', fp); + putc(c+'@', fp); + } else if (c == 0177) { + putc('^', fp); + putc('?', fp); + } else { + putc(c, fp); + } + } +} + + +/* + * asciize - same thing as makeascii except add a newline + */ +void +asciize( + int length, + char *data, + FILE *fp + ) +{ + makeascii(length, data, fp); + putc('\n', fp); +} + + +/* + * Some circular buffer space + */ +#define CBLEN 80 +#define NUMCB 6 + +char circ_buf[NUMCB][CBLEN]; +int nextcb = 0; + +/* + * nextvar - find the next variable in the buffer + */ +int +nextvar( + int *datalen, + char **datap, + char **vname, + char **vvalue + ) +{ + register char *cp; + register char *np; + register char *cpend; + register char *npend; /* character after last */ + int quoted = 0; + static char name[MAXVARLEN]; + static char value[MAXVALLEN]; + + cp = *datap; + cpend = cp + *datalen; + + /* + * Space past commas and white space + */ + while (cp < cpend && (*cp == ',' || isspace((int)*cp))) + cp++; + if (cp == cpend) + return 0; + + /* + * Copy name until we hit a ',', an '=', a '\r' or a '\n'. Backspace + * over any white space and terminate it. + */ + np = name; + npend = &name[MAXVARLEN]; + while (cp < cpend && np < npend && *cp != ',' && *cp != '=' + && *cp != '\r' && *cp != '\n') + *np++ = *cp++; + /* + * Check if we ran out of name space, without reaching the end or a + * terminating character + */ + if (np == npend && !(cp == cpend || *cp == ',' || *cp == '=' || + *cp == '\r' || *cp == '\n')) + return 0; + while (isspace((int)(*(np-1)))) + np--; + *np = '\0'; + *vname = name; + + /* + * Check if we hit the end of the buffer or a ','. If so we are done. + */ + if (cp == cpend || *cp == ',' || *cp == '\r' || *cp == '\n') { + if (cp != cpend) + cp++; + *datap = cp; + *datalen = cpend - cp; + *vvalue = (char *)0; + return 1; + } + + /* + * So far, so good. Copy out the value + */ + cp++; /* past '=' */ + while (cp < cpend && (isspace((int)*cp) && *cp != '\r' && *cp != '\n')) + cp++; + np = value; + npend = &value[MAXVALLEN]; + while (cp < cpend && np < npend && ((*cp != ',') || quoted)) + { + quoted ^= ((*np++ = *cp++) == '"'); + } + + /* + * Check if we overran the value buffer while still in a quoted string + * or without finding a comma + */ + if (np == npend && (quoted || *cp != ',')) + return 0; + /* + * Trim off any trailing whitespace + */ + while (np > value && isspace((int)(*(np-1)))) + np--; + *np = '\0'; + + /* + * Return this. All done. + */ + if (cp != cpend) + cp++; + *datap = cp; + *datalen = cpend - cp; + *vvalue = value; + return 1; +} + + +/* + * findvar - see if this variable is known to us + */ +int +findvar( + char *varname, + struct ctl_var *varlist + ) +{ + register char *np; + register struct ctl_var *vl; + + vl = varlist; + np = varname; + while (vl->fmt != EOV) { + if (vl->fmt != PADDING && STREQ(np, vl->text)) + return vl->code; + vl++; + } + return 0; +} + + + +/* + * printvars - print variables returned in response packet + */ +void +printvars( + int length, + char *data, + int status, + int sttype, + FILE *fp + ) +{ + if (rawmode) + rawprint(sttype, length, data, status, fp); + else + cookedprint(sttype, length, data, status, fp); +} + + +/* + * rawprint - do a printout of the data in raw mode + */ +static void +rawprint( + int datatype, + int length, + char *data, + int status, + FILE *fp + ) +{ + register char *cp; + register char *cpend; + + /* + * Essentially print the data as is. We reformat unprintables, though. + */ + cp = data; + cpend = data + length; + + (void) fprintf(fp, "status=0x%04x,\n", status); + + while (cp < cpend) { + if (*cp == '\r') { + /* + * If this is a \r and the next character is a + * \n, supress this, else pretty print it. Otherwise + * just output the character. + */ + if (cp == (cpend-1) || *(cp+1) != '\n') + makeascii(1, cp, fp); + } else if (isspace((int)*cp) || isprint((int)*cp)) { + putc(*cp, fp); + } else { + makeascii(1, cp, fp); + } + cp++; + } +} + + +/* + * Global data used by the cooked output routines + */ +int out_chars; /* number of characters output */ +int out_linecount; /* number of characters output on this line */ + + +/* + * startoutput - get ready to do cooked output + */ +static void +startoutput(void) +{ + out_chars = 0; + out_linecount = 0; +} + + +/* + * output - output a variable=value combination + */ +static void +output( + FILE *fp, + char *name, + char *value + ) +{ + int lenname; + int lenvalue; + + lenname = strlen(name); + lenvalue = strlen(value); + + if (out_chars != 0) { + putc(',', fp); + out_chars++; + out_linecount++; + if ((out_linecount + lenname + lenvalue + 3) > MAXOUTLINE) { + putc('\n', fp); + out_chars++; + out_linecount = 0; + } else { + putc(' ', fp); + out_chars++; + out_linecount++; + } + } + + fputs(name, fp); + putc('=', fp); + fputs(value, fp); + out_chars += lenname + 1 + lenvalue; + out_linecount += lenname + 1 + lenvalue; +} + + +/* + * endoutput - terminate a block of cooked output + */ +static void +endoutput( + FILE *fp + ) +{ + if (out_chars != 0) + putc('\n', fp); +} + + +/* + * outputarr - output an array of values + */ +static void +outputarr( + FILE *fp, + char *name, + int narr, + l_fp *lfp + ) +{ + register char *bp; + register char *cp; + register int i; + register int len; + char buf[256]; + + bp = buf; + /* + * Hack to align delay and offset values + */ + for (i = (int)strlen(name); i < 11; i++) + *bp++ = ' '; + + for (i = narr; i > 0; i--) { + if (i != narr) + *bp++ = ' '; + cp = lfptoms(lfp, 2); + len = strlen(cp); + if (len > 7) { + cp[7] = '\0'; + len = 7; + } + while (len < 7) { + *bp++ = ' '; + len++; + } + while (*cp != '\0') + *bp++ = *cp++; + lfp++; + } + *bp = '\0'; + output(fp, name, buf); +} + +static char * +tstflags( + u_long val + ) +{ + register char *cb, *s; + register int i; + register const char *sep; + + sep = ""; + i = 0; + s = cb = &circ_buf[nextcb][0]; + if (++nextcb >= NUMCB) + nextcb = 0; + + sprintf(cb, "%02lx", val); + cb += strlen(cb); + if (!val) { + strcat(cb, " ok"); + cb += strlen(cb); + } else { + *cb++ = ' '; + for (i = 0; i < 10; i++) { + if (val & 0x1) { + sprintf(cb, "%s%s", sep, tstflagnames[i]); + sep = ", "; + cb += strlen(cb); + } + val >>= 1; + } + } + *cb = '\0'; + return s; +} + +/* + * cookedprint - output variables in cooked mode + */ +static void +cookedprint( + int datatype, + int length, + char *data, + int status, + FILE *fp + ) +{ + register int varid; + char *name; + char *value; + int output_raw; + int fmt; + struct ctl_var *varlist; + l_fp lfp; + long ival; + u_int32 hval; + u_long uval; + l_fp lfparr[8]; + int narr; + + switch (datatype) { + case TYPE_PEER: + varlist = peer_var; + break; + case TYPE_SYS: + varlist = sys_var; + break; + case TYPE_CLOCK: + varlist = clock_var; + break; + default: + (void) fprintf(stderr, "Unknown datatype(0x%x) in cookedprint\n", datatype); + return; + } + + (void) fprintf(fp, "status=%04x %s,\n", status, + statustoa(datatype, status)); + + startoutput(); + while (nextvar(&length, &data, &name, &value)) { + varid = findvar(name, varlist); + if (varid == 0) { + output_raw = '*'; + } else { + output_raw = 0; + fmt = varlist[varid].fmt; + switch(fmt) { + case TS: + if (!decodets(value, &lfp)) + output_raw = '?'; + else + output(fp, name, prettydate(&lfp)); + break; + case FL: + case FU: + case FS: + if (!decodetime(value, &lfp)) + output_raw = '?'; + else { + switch (fmt) { + case FL: + output(fp, name, + lfptoms(&lfp, 3)); + break; + case FU: + output(fp, name, + ulfptoms(&lfp, 3)); + break; + case FS: + output(fp, name, + lfptoms(&lfp, 3)); + break; + } + } + break; + + case UI: + if (!decodeuint(value, &uval)) + output_raw = '?'; + else + output(fp, name, uinttoa(uval)); + break; + + case SI: + if (!decodeint(value, &ival)) + output_raw = '?'; + else + output(fp, name, inttoa(ival)); + break; + + case HA: + case NA: + if (!decodenetnum(value, &hval)) + output_raw = '?'; + else if (fmt == HA) + output(fp, name, nntohost(hval)); + else + output(fp, name, numtoa(hval)); + break; + + case ST: + output_raw = '*'; + break; + + case RF: + if (decodenetnum(value, &hval)) + output(fp, name, nntohost(hval)); + else if ((int)strlen(value) <= 4) + output(fp, name, value); + else + output_raw = '?'; + break; + + case LP: + if (!decodeuint(value, &uval) || uval > 3) + output_raw = '?'; + else { + char b[3]; + b[0] = b[1] = '0'; + if (uval & 0x2) + b[0] = '1'; + if (uval & 0x1) + b[1] = '1'; + b[2] = '\0'; + output(fp, name, b); + } + break; + + case OC: + if (!decodeuint(value, &uval)) + output_raw = '?'; + else { + char b[10]; + + (void) sprintf(b, "%03lo", uval); + output(fp, name, b); + } + break; + + case MD: + if (!decodeuint(value, &uval)) + output_raw = '?'; + else + output(fp, name, uinttoa(uval)); + break; + + case AR: + if (!decodearr(value, &narr, lfparr)) + output_raw = '?'; + else + outputarr(fp, name, narr, lfparr); + break; + + case FX: + if (!decodeuint(value, &uval)) + output_raw = '?'; + else + output(fp, name, tstflags(uval)); + break; + + default: + (void) fprintf(stderr, + "Internal error in cookedprint, %s=%s, fmt %d\n", + name, value, fmt); + break; + } + + } + if (output_raw != 0) { + char bn[401]; + char bv[401]; + int len; + + atoascii(400, name, bn); + atoascii(400, value, bv); + if (output_raw != '*') { + len = strlen(bv); + bv[len] = output_raw; + bv[len+1] = '\0'; + } + output(fp, bn, bv); + } + } + endoutput(fp); +} + + +/* + * sortassoc - sort associations in the cache into ascending order + */ +void +sortassoc(void) +{ + if (numassoc > 1) + qsort( +#ifdef QSORT_USES_VOID_P + (void *) +#else + (char *) +#endif + assoc_cache, (unsigned)numassoc, + sizeof(struct association), assoccmp); +} + + +/* + * assoccmp - compare two associations + */ +#ifdef QSORT_USES_VOID_P +static int +assoccmp( + const void *t1, + const void *t2 + ) +{ + const struct association *ass1 = (const struct association *)t1; + const struct association *ass2 = (const struct association *)t2; + + if (ass1->assid < ass2->assid) + return -1; + if (ass1->assid > ass2->assid) + return 1; + return 0; +} +#else +static int +assoccmp( + struct association *ass1, + struct association *ass2 + ) +{ + if (ass1->assid < ass2->assid) + return -1; + if (ass1->assid > ass2->assid) + return 1; + return 0; +} +#endif /* not QSORT_USES_VOID_P */ |