diff options
Diffstat (limited to 'mit-pthreads/net/res_mkquery.c')
| -rw-r--r-- | mit-pthreads/net/res_mkquery.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/mit-pthreads/net/res_mkquery.c b/mit-pthreads/net/res_mkquery.c deleted file mode 100644 index 42f27318368..00000000000 --- a/mit-pthreads/net/res_mkquery.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * Copyright (c) 1985 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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -/*static char *sccsid = "from: @(#)res_mkquery.c 6.16 (Berkeley) 3/6/91";*/ -static char *rcsid = "$Id$"; -#endif /* LIBC_SCCS and not lint */ - -#include <pthread.h> -#include <sys/param.h> -#include <sys/cdefs.h> -#include <netinet/in.h> -#include <resolv.h> -#include <stdio.h> -#include <string.h> - -/* - * Form all types of queries. - * Returns the size of the result or -1. - */ -res_mkquery(op, dname, class, type, data, datalen, newrr_in, buf, buflen) - int op; /* opcode of query */ - const char *dname; /* domain name */ - int class, type; /* class and type of query */ - const char *data; /* resource record data */ - int datalen; /* length of data */ - const char *newrr_in; /* new rr for modify or append */ - char *buf; /* buffer to put query */ - int buflen; /* size of buffer */ -{ - register HEADER *hp; - register char *cp; - register int n; - struct rrec *newrr = (struct rrec *) newrr_in; - char *dnptrs[10], **dpp, **lastdnptr; - struct __res_state *_rs; - - /* - * Initialize header fields. - */ - - _rs = _res_status(); - if (!_rs) - return -1; - if ((buf == NULL) || (buflen < sizeof(HEADER))) - return(-1); - memset(buf, 0, sizeof(HEADER)); - hp = (HEADER *) buf; - hp->id = htons(++_rs->id); - hp->opcode = op; - hp->pr = (_rs->options & RES_PRIMARY) != 0; - hp->rd = (_rs->options & RES_RECURSE) != 0; - hp->rcode = NOERROR; - cp = buf + sizeof(HEADER); - buflen -= sizeof(HEADER); - dpp = dnptrs; - *dpp++ = buf; - *dpp++ = NULL; - lastdnptr = dnptrs + sizeof(dnptrs)/sizeof(dnptrs[0]); - /* - * perform opcode specific processing - */ - switch (op) { - case QUERY: - if ((buflen -= QFIXEDSZ) < 0) - return(-1); - if ((n = dn_comp((u_char *)dname, (u_char *)cp, buflen, - (u_char **)dnptrs, (u_char **)lastdnptr)) < 0) - return (-1); - cp += n; - buflen -= n; - __putshort(type, (u_char *)cp); - cp += sizeof(u_short); - __putshort(class, (u_char *)cp); - cp += sizeof(u_short); - hp->qdcount = htons(1); - if (op == QUERY || data == NULL) - break; - /* - * Make an additional record for completion domain. - */ - buflen -= RRFIXEDSZ; - if ((n = dn_comp((u_char *)data, (u_char *)cp, buflen, - (u_char **)dnptrs, (u_char **)lastdnptr)) < 0) - return (-1); - cp += n; - buflen -= n; - __putshort(T_NULL, (u_char *)cp); - cp += sizeof(u_short); - __putshort(class, (u_char *)cp); - cp += sizeof(u_short); - __putlong(0, (u_char *)cp); - cp += sizeof(pthread_ipaddr_type); - __putshort(0, (u_char *)cp); - cp += sizeof(u_short); - hp->arcount = htons(1); - break; - - case IQUERY: - /* - * Initialize answer section - */ - if (buflen < 1 + RRFIXEDSZ + datalen) - return (-1); - *cp++ = '\0'; /* no domain name */ - __putshort(type, (u_char *)cp); - cp += sizeof(u_short); - __putshort(class, (u_char *)cp); - cp += sizeof(u_short); - __putlong(0, (u_char *)cp); - cp += sizeof(pthread_ipaddr_type); - __putshort(datalen, (u_char *)cp); - cp += sizeof(u_short); - if (datalen) { - memcpy(cp, data, datalen); - cp += datalen; - } - hp->ancount = htons(1); - break; - -#ifdef ALLOW_UPDATES - /* - * For UPDATEM/UPDATEMA, do UPDATED/UPDATEDA followed by UPDATEA - * (Record to be modified is followed by its replacement in msg.) - */ - case UPDATEM: - case UPDATEMA: - - case UPDATED: - /* - * The res code for UPDATED and UPDATEDA is the same; user - * calls them differently: specifies data for UPDATED; server - * ignores data if specified for UPDATEDA. - */ - case UPDATEDA: - buflen -= RRFIXEDSZ + datalen; - if ((n = dn_comp(dname, cp, buflen, dnptrs, lastdnptr)) < 0) - return (-1); - cp += n; - __putshort(type, cp); - cp += sizeof(u_short); - __putshort(class, cp); - cp += sizeof(u_short); - __putlong(0, cp); - cp += sizeof(pthread_ipaddr_type); - __putshort(datalen, cp); - cp += sizeof(u_short); - if (datalen) { - memcpy(cp, data, datalen); - cp += datalen; - } - if ( (op == UPDATED) || (op == UPDATEDA) ) { - hp->ancount = htons(0); - break; - } - /* Else UPDATEM/UPDATEMA, so drop into code for UPDATEA */ - - case UPDATEA: /* Add new resource record */ - buflen -= RRFIXEDSZ + datalen; - if ((n = dn_comp(dname, cp, buflen, dnptrs, lastdnptr)) < 0) - return (-1); - cp += n; - __putshort(newrr->r_type, cp); - cp += sizeof(u_short); - __putshort(newrr->r_class, cp); - cp += sizeof(u_short); - __putlong(0, cp); - cp += sizeof(pthread_ipaddr_type); - __putshort(newrr->r_size, cp); - cp += sizeof(u_short); - if (newrr->r_size) { - memcpy(cp, newrr->r_data, newrr->r_size); - cp += newrr->r_size; - } - hp->ancount = htons(0); - break; - -#endif /* ALLOW_UPDATES */ - } - return (cp - buf); -} - |