diff options
Diffstat (limited to 'lib/libc/net/res_debug.c')
| -rw-r--r-- | lib/libc/net/res_debug.c | 806 |
1 files changed, 0 insertions, 806 deletions
diff --git a/lib/libc/net/res_debug.c b/lib/libc/net/res_debug.c deleted file mode 100644 index ad65fc7..0000000 --- a/lib/libc/net/res_debug.c +++ /dev/null @@ -1,806 +0,0 @@ -/*- - * Copyright (c) 1985, 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - - * Portions Copyright (c) 1993 by Digital Equipment Corporation. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies, and that - * the name of Digital Equipment Corporation not be used in advertising or - * publicity pertaining to distribution of the document or software without - * specific, written prior permission. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL - * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT - * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL - * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR - * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS - * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * - - * --Copyright-- - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93"; -static char rcsid[] = "$Id: res_debug.c,v 1.7 1996/02/06 20:35:48 wollman Exp $"; -#endif /* LIBC_SCCS and not lint */ - -#include <sys/param.h> -#include <netinet/in.h> -#ifdef ISO -#include <netiso/iso.h> -#endif - -#include <arpa/inet.h> -#include <arpa/nameser.h> - -#include <stdio.h> -#include <netdb.h> -#include <resolv.h> -#include <string.h> - -#include "res_config.h" - -extern const char *_res_opcodes[]; -extern const char *_res_resultcodes[]; - -/* XXX: we should use getservbyport() instead. */ -static const char * -dewks(wks) - int wks; -{ - static char nbuf[20]; - - switch (wks) { - case 5: return "rje"; - case 7: return "echo"; - case 9: return "discard"; - case 11: return "systat"; - case 13: return "daytime"; - case 15: return "netstat"; - case 17: return "qotd"; - case 19: return "chargen"; - case 20: return "ftp-data"; - case 21: return "ftp"; - case 23: return "telnet"; - case 25: return "smtp"; - case 37: return "time"; - case 39: return "rlp"; - case 42: return "name"; - case 43: return "whois"; - case 53: return "domain"; - case 57: return "apts"; - case 59: return "apfs"; - case 67: return "bootps"; - case 68: return "bootpc"; - case 69: return "tftp"; - case 77: return "rje"; - case 79: return "finger"; - case 87: return "link"; - case 95: return "supdup"; - case 100: return "newacct"; - case 101: return "hostnames"; - case 102: return "iso-tsap"; - case 103: return "x400"; - case 104: return "x400-snd"; - case 105: return "csnet-ns"; - case 109: return "pop-2"; - case 111: return "sunrpc"; - case 113: return "auth"; - case 115: return "sftp"; - case 117: return "uucp-path"; - case 119: return "nntp"; - case 121: return "erpc"; - case 123: return "ntp"; - case 133: return "statsrv"; - case 136: return "profile"; - case 144: return "NeWS"; - case 161: return "snmp"; - case 162: return "snmp-trap"; - case 170: return "print-srv"; - default: (void) sprintf(nbuf, "%d", wks); return (nbuf); - } -} - -/* XXX: we should use getprotobynumber() instead. */ -static const char * -deproto(protonum) - int protonum; -{ - static char nbuf[20]; - - switch (protonum) { - case 1: return "icmp"; - case 2: return "igmp"; - case 3: return "ggp"; - case 5: return "st"; - case 6: return "tcp"; - case 7: return "ucl"; - case 8: return "egp"; - case 9: return "igp"; - case 11: return "nvp-II"; - case 12: return "pup"; - case 16: return "chaos"; - case 17: return "udp"; - default: (void) sprintf(nbuf, "%d", protonum); return (nbuf); - } -} - -static const u_char * -do_rrset(msg, len, cp, cnt, pflag, file, hs) - int cnt, pflag, len; - const u_char *cp, *msg; - const char *hs; - FILE *file; -{ - int n; - int sflag; - - /* - * Print answer records. - */ - sflag = (_res.pfcode & pflag); - if ( (n = ntohs(cnt)) ) { - if ((!_res.pfcode) || - ((sflag) && (_res.pfcode & RES_PRF_HEAD1))) - fprintf(file, hs); - while (--n >= 0) { - if ((!_res.pfcode) || sflag) { - cp = p_rr(cp, msg, file); - } else { - unsigned int dlen; - cp += __dn_skipname(cp, cp + MAXCDNAME); - cp += INT16SZ; - cp += INT16SZ; - cp += INT32SZ; - dlen = _getshort((u_char*)cp); - cp += INT16SZ; - cp += dlen; - } - if ((cp - msg) > len) - return (NULL); - } - if ((!_res.pfcode) || - ((sflag) && (_res.pfcode & RES_PRF_HEAD1))) - putc('\n', file); - } - return (cp); -} - -void -__p_query(msg) - const u_char *msg; -{ - __fp_query(msg, stdout); -} - -/* - * Print the current options. - * This is intended to be primarily a debugging routine. - */ -void -__fp_resstat(statp, file) - struct __res_state *statp; - FILE *file; -{ - register u_long mask; - - fprintf(file, ";; res options:"); - if (!statp) - statp = &_res; - for (mask = 1; mask != 0; mask <<= 1) - if (statp->options & mask) - fprintf(file, " %s", p_option(mask)); - putc('\n', file); -} - -/* - * Print the contents of a query. - * This is intended to be primarily a debugging routine. - */ -void -__fp_nquery(msg, len, file) - const u_char *msg; - int len; - FILE *file; -{ - register const u_char *cp, *endMark; - register const HEADER *hp; - register int n; - - if ((_res.options & RES_INIT) == 0 && res_init() == -1) - return; - -#define TruncTest(x) if (x >= endMark) goto trunc -#define ErrorTest(x) if (x == NULL) goto error - - /* - * Print header fields. - */ - hp = (HEADER *)msg; - cp = msg + HFIXEDSZ; - endMark = cp + len; - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEADX) || hp->rcode) { - fprintf(file, ";; ->>HEADER<<- opcode: %s, status: %s, id: %d", - _res_opcodes[hp->opcode], - _res_resultcodes[hp->rcode], - ntohs(hp->id)); - putc('\n', file); - } - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEADX)) - putc(';', file); - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD2)) { - fprintf(file, "; flags:"); - if (hp->qr) - fprintf(file, " qr"); - if (hp->aa) - fprintf(file, " aa"); - if (hp->tc) - fprintf(file, " tc"); - if (hp->rd) - fprintf(file, " rd"); - if (hp->ra) - fprintf(file, " ra"); - } - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD1)) { - fprintf(file, "; Ques: %d", ntohs(hp->qdcount)); - fprintf(file, ", Ans: %d", ntohs(hp->ancount)); - fprintf(file, ", Auth: %d", ntohs(hp->nscount)); - fprintf(file, ", Addit: %d", ntohs(hp->arcount)); - } - if ((!_res.pfcode) || (_res.pfcode & - (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) { - putc('\n',file); - } - /* - * Print question records. - */ - if ( (n = ntohs(hp->qdcount)) ) { - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES)) - fprintf(file, ";; QUESTIONS:\n"); - while (--n >= 0) { - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES)) - fprintf(file, ";;\t"); - TruncTest(cp); - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES)) - cp = p_cdnname(cp, msg, len, file); - else { - int n; - char name[MAXDNAME]; - - if ((n = dn_expand(msg, msg+len, cp, name, - sizeof name)) < 0) - cp = NULL; - else - cp += n; - } - ErrorTest(cp); - TruncTest(cp); - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES)) - fprintf(file, ", type = %s", - __p_type(_getshort((u_char*)cp))); - cp += INT16SZ; - TruncTest(cp); - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES)) - fprintf(file, ", class = %s\n", - __p_class(_getshort((u_char*)cp))); - cp += INT16SZ; - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES)) - putc('\n', file); - } - } - /* - * Print authoritative answer records - */ - TruncTest(cp); - cp = do_rrset(msg, len, cp, hp->ancount, RES_PRF_ANS, file, - ";; ANSWERS:\n"); - ErrorTest(cp); - - /* - * print name server records - */ - TruncTest(cp); - cp = do_rrset(msg, len, cp, hp->nscount, RES_PRF_AUTH, file, - ";; AUTHORITY RECORDS:\n"); - ErrorTest(cp); - - TruncTest(cp); - /* - * print additional records - */ - cp = do_rrset(msg, len, cp, hp->arcount, RES_PRF_ADD, file, - ";; ADDITIONAL RECORDS:\n"); - ErrorTest(cp); - return; - trunc: - fprintf(file, "\n;; ...truncated\n"); - return; - error: - fprintf(file, "\n;; ...malformed\n"); -} - -void -__fp_query(msg, file) - const u_char *msg; - FILE *file; -{ - fp_nquery(msg, PACKETSZ, file); -} - -const u_char * -__p_cdnname(cp, msg, len, file) - const u_char *cp, *msg; - int len; - FILE *file; -{ - char name[MAXDNAME]; - int n; - - if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0) - return (NULL); - if (name[0] == '\0') - putc('.', file); - else - fputs(name, file); - return (cp + n); -} - -const u_char * -__p_cdname(cp, msg, file) - const u_char *cp, *msg; - FILE *file; -{ - return (p_cdnname(cp, msg, PACKETSZ, file)); -} - -/* XXX: the rest of these functions need to become length-limited, too. (vix) - */ - -const u_char * -__p_fqname(cp, msg, file) - const u_char *cp, *msg; - FILE *file; -{ - char name[MAXDNAME]; - int n; - - if ((n = dn_expand(msg, cp + MAXCDNAME, cp, name, sizeof name)) < 0) - return (NULL); - if (name[0] == '\0') { - putc('.', file); - } else { - fputs(name, file); - if (name[strlen(name) - 1] != '.') - putc('.', file); - } - return (cp + n); -} - -/* - * Print resource record fields in human readable form. - */ -const u_char * -__p_rr(cp, msg, file) - const u_char *cp, *msg; - FILE *file; -{ - int type, class, dlen, n, c; - struct in_addr inaddr; -#ifdef ISO - struct iso_addr isoa; -#endif - const u_char *cp1, *cp2; - u_int32_t tmpttl, t; - int lcnt; - - if ((_res.options & RES_INIT) == 0 && res_init() == -1) { - h_errno = NETDB_INTERNAL; - return (NULL); - } - if ((cp = p_fqname(cp, msg, file)) == NULL) - return (NULL); /* compression error */ - type = _getshort((u_char*)cp); - cp += INT16SZ; - class = _getshort((u_char*)cp); - cp += INT16SZ; - tmpttl = _getlong((u_char*)cp); - cp += INT32SZ; - dlen = _getshort((u_char*)cp); - cp += INT16SZ; - cp1 = cp; - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_TTLID)) - fprintf(file, "\t%lu", (u_long)tmpttl); - if ((!_res.pfcode) || (_res.pfcode & RES_PRF_CLASS)) - fprintf(file, "\t%s", __p_class(class)); - fprintf(file, "\t%s", __p_type(type)); - /* - * Print type specific data, if appropriate - */ - switch (type) { - case T_A: - switch (class) { - case C_IN: - case C_HS: - bcopy(cp, (char *)&inaddr, INADDRSZ); - if (dlen == 4) { - fprintf(file, "\t%s", inet_ntoa(inaddr)); - cp += dlen; - } else if (dlen == 7) { - char *address; - u_char protocol; - u_short port; - - address = inet_ntoa(inaddr); - cp += INADDRSZ; - protocol = *(u_char*)cp; - cp += sizeof(u_char); - port = _getshort((u_char*)cp); - cp += INT16SZ; - fprintf(file, "\t%s\t; proto %d, port %d", - address, protocol, port); - } - break; - default: - cp += dlen; - } - break; - case T_CNAME: - case T_MB: - case T_MG: - case T_MR: - case T_NS: - case T_PTR: - putc('\t', file); - if ((cp = p_fqname(cp, msg, file)) == NULL) - return (NULL); - break; - - case T_HINFO: - case T_ISDN: - cp2 = cp + dlen; - if ( (n = *cp++) ) { - fprintf(file, "\t%.*s", n, cp); - cp += n; - } - if ((cp < cp2) && (n = *cp++)) { - fprintf(file, "\t%.*s", n, cp); - cp += n; - } else if (type == T_HINFO) - fprintf(file, "\n;; *** Warning *** OS-type missing"); - break; - - case T_SOA: - putc('\t', file); - if ((cp = p_fqname(cp, msg, file)) == NULL) - return (NULL); - putc(' ', file); - if ((cp = p_fqname(cp, msg, file)) == NULL) - return (NULL); - fputs(" (\n", file); - t = _getlong((u_char*)cp); cp += INT32SZ; - fprintf(file, "\t\t\t%lu\t; serial\n", (u_long)t); - t = _getlong((u_char*)cp); cp += INT32SZ; - fprintf(file, "\t\t\t%lu\t; refresh (%s)\n", - (u_long)t, __p_time(t)); - t = _getlong((u_char*)cp); cp += INT32SZ; - fprintf(file, "\t\t\t%lu\t; retry (%s)\n", - (u_long)t, __p_time(t)); - t = _getlong((u_char*)cp); cp += INT32SZ; - fprintf(file, "\t\t\t%lu\t; expire (%s)\n", - (u_long)t, __p_time(t)); - t = _getlong((u_char*)cp); cp += INT32SZ; - fprintf(file, "\t\t\t%lu )\t; minimum (%s)", - (u_long)t, __p_time(t)); - break; - - case T_MX: - case T_AFSDB: - case T_RT: - fprintf(file, "\t%d ", _getshort((u_char*)cp)); - cp += INT16SZ; - if ((cp = p_fqname(cp, msg, file)) == NULL) - return (NULL); - break; - - case T_PX: - fprintf(file, "\t%d ", _getshort((u_char*)cp)); - cp += INT16SZ; - if ((cp = p_fqname(cp, msg, file)) == NULL) - return (NULL); - putc(' ', file); - if ((cp = p_fqname(cp, msg, file)) == NULL) - return (NULL); - break; - - case T_TXT: - case T_X25: - (void) fputs("\t\"", file); - cp2 = cp1 + dlen; - while (cp < cp2) { - if ( (n = (unsigned char) *cp++) ) { - for (c = n; c > 0 && cp < cp2; c--) - if ((*cp == '\n') || (*cp == '"')) { - (void) putc('\\', file); - (void) putc(*cp++, file); - } else - (void) putc(*cp++, file); - } - } - putc('"', file); - break; - -#ifdef ISO - case T_NSAP: - isoa.isoa_len = dlen; - if (isoa.isoa_len > sizeof(isoa.isoa_genaddr)) - isoa.isoa_len = sizeof(isoa.isoa_genaddr); - bcopy(cp, isoa.isoa_genaddr, isoa.isoa_len); - (void) fprintf(file, "\t%s", iso_ntoa(&isoa)); - cp += dlen; - break; -#endif - - case T_MINFO: - case T_RP: - putc('\t', file); - if ((cp = p_fqname(cp, msg, file)) == NULL) - return (NULL); - putc(' ', file); - if ((cp = p_fqname(cp, msg, file)) == NULL) - return (NULL); - break; - - case T_UINFO: - putc('\t', file); - fputs((char *)cp, file); - cp += dlen; - break; - - case T_UID: - case T_GID: - if (dlen == 4) { - fprintf(file, "\t%u", _getlong((u_char*)cp)); - cp += INT32SZ; - } - break; - - case T_WKS: - if (dlen < INT32SZ + 1) - break; - bcopy(cp, (char *)&inaddr, INADDRSZ); - cp += INT32SZ; - fprintf(file, "\t%s %s ( ", - inet_ntoa(inaddr), - deproto((int) *cp)); - cp += sizeof(u_char); - n = 0; - lcnt = 0; - while (cp < cp1 + dlen) { - c = *cp++; - do { - if (c & 0200) { - if (lcnt == 0) { - fputs("\n\t\t\t", file); - lcnt = 5; - } - fputs(dewks(n), file); - putc(' ', file); - lcnt--; - } - c <<= 1; - } while (++n & 07); - } - putc(')', file); - break; - -#ifdef ALLOW_T_UNSPEC - case T_UNSPEC: - { - int NumBytes = 8; - u_char *DataPtr; - int i; - - if (dlen < NumBytes) NumBytes = dlen; - fprintf(file, "\tFirst %d bytes of hex data:", - NumBytes); - for (i = 0, DataPtr = cp; i < NumBytes; i++, DataPtr++) - fprintf(file, " %x", *DataPtr); - cp += dlen; - } - break; -#endif /* ALLOW_T_UNSPEC */ - - default: - fprintf(file, "\t?%d?", type); - cp += dlen; - } -#if 0 - fprintf(file, "\t; dlen=%d, ttl %s\n", dlen, __p_time(tmpttl)); -#else - putc('\n', file); -#endif - if (cp - cp1 != dlen) { - fprintf(file, ";; packet size error (found %d, dlen was %d)\n", - cp - cp1, dlen); - cp = NULL; - } - return (cp); -} - -/* - * Return a string for the type - */ -const char * -__p_type(type) - int type; -{ - static char nbuf[20]; - - switch (type) { - case T_A: return "A"; - case T_NS: return "NS"; - case T_CNAME: return "CNAME"; - case T_SOA: return "SOA"; - case T_MB: return "MB"; - case T_MG: return "MG"; - case T_MR: return "MR"; - case T_NULL: return "NULL"; - case T_WKS: return "WKS"; - case T_PTR: return "PTR"; - case T_HINFO: return "HINFO"; - case T_MINFO: return "MINFO"; - case T_MX: return "MX"; - case T_TXT: return "TXT"; - case T_RP: return "RP"; - case T_AFSDB: return "AFSDB"; - case T_X25: return "X25"; - case T_ISDN: return "ISDN"; - case T_RT: return "RT"; - case T_NSAP: return "NSAP"; - case T_NSAP_PTR: return "NSAP_PTR"; - case T_SIG: return "SIG"; - case T_KEY: return "KEY"; - case T_PX: return "PX"; - case T_GPOS: return "GPOS"; - case T_AAAA: return "AAAA"; - case T_LOC: return "LOC"; - case T_AXFR: return "AXFR"; - case T_MAILB: return "MAILB"; - case T_MAILA: return "MAILA"; - case T_ANY: return "ANY"; - case T_UINFO: return "UINFO"; - case T_UID: return "UID"; - case T_GID: return "GID"; -#ifdef ALLOW_T_UNSPEC - case T_UNSPEC: return "UNSPEC"; -#endif /* ALLOW_T_UNSPEC */ - default: (void)sprintf(nbuf, "%d", type); return (nbuf); - } -} - -/* - * Return a mnemonic for class - */ -const char * -__p_class(class) - int class; -{ - static char nbuf[20]; - - switch (class) { - case C_IN: return "IN"; - case C_HS: return "HS"; - case C_ANY: return "ANY"; - default: (void)sprintf(nbuf, "%d", class); return (nbuf); - } -} - -/* - * Return a mnemonic for an option - */ -const char * -__p_option(option) - u_long option; -{ - static char nbuf[40]; - - switch (option) { - case RES_INIT: return "init"; - case RES_DEBUG: return "debug"; - case RES_AAONLY: return "aaonly(unimpl)"; - case RES_USEVC: return "usevc"; - case RES_PRIMARY: return "primry(unimpl)"; - case RES_IGNTC: return "igntc"; - case RES_RECURSE: return "recurs"; - case RES_DEFNAMES: return "defnam"; - case RES_STAYOPEN: return "styopn"; - case RES_DNSRCH: return "dnsrch"; - case RES_INSECURE1: return "insecure1"; - case RES_INSECURE2: return "insecure2"; - default: sprintf(nbuf, "?0x%lx?", (u_long)option); - return (nbuf); - } -} - -/* - * Return a mnemonic for a time to live - */ -char * -__p_time(value) - u_int32_t value; -{ - static char nbuf[40]; - int secs, mins, hours, days; - register char *p; - - if (value == 0) { - strcpy(nbuf, "0 secs"); - return (nbuf); - } - - secs = value % 60; - value /= 60; - mins = value % 60; - value /= 60; - hours = value % 24; - value /= 24; - days = value; - value = 0; - -#define PLURALIZE(x) x, (x == 1) ? "" : "s" - p = nbuf; - if (days) { - (void)sprintf(p, "%d day%s", PLURALIZE(days)); - while (*++p); - } - if (hours) { - if (days) - *p++ = ' '; - (void)sprintf(p, "%d hour%s", PLURALIZE(hours)); - while (*++p); - } - if (mins) { - if (days || hours) - *p++ = ' '; - (void)sprintf(p, "%d min%s", PLURALIZE(mins)); - while (*++p); - } - if (secs || ! (days || hours || mins)) { - if (days || hours || mins) - *p++ = ' '; - (void)sprintf(p, "%d sec%s", PLURALIZE(secs)); - } - return (nbuf); -} |
