[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/resolv/res_mkquery.c b/ap/libc/glibc/glibc-2.22/resolv/res_mkquery.c
new file mode 100644
index 0000000..1635e6a
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/resolv/res_mkquery.c
@@ -0,0 +1,267 @@
+/*
+ * Copyright (c) 1985, 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.
+ * 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.
+ */
+
+/*
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)res_mkquery.c 8.1 (Berkeley) 6/4/93";
+static const char rcsid[] = "$BINDId: res_mkquery.c,v 8.12 1999/10/13 16:39:40 vixie Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <netdb.h>
+#include <resolv.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+
+/* Options. Leave them on. */
+/* #define DEBUG */
+
+#ifdef _LIBC
+# include <hp-timing.h>
+# include <stdint.h>
+# if HP_TIMING_AVAIL
+# define RANDOM_BITS(Var) { uint64_t v64; HP_TIMING_NOW (v64); Var = v64; }
+# endif
+#endif
+
+/*
+ * Form all types of queries.
+ * Returns the size of the result or -1.
+ */
+int
+res_nmkquery(res_state statp,
+ int op, /* opcode of query */
+ const char *dname, /* domain name */
+ int class, int type, /* class and type of query */
+ const u_char *data, /* resource record data */
+ int datalen, /* length of data */
+ const u_char *newrr_in, /* new rr for modify or append */
+ u_char *buf, /* buffer to put query */
+ int buflen) /* size of buffer */
+{
+ HEADER *hp;
+ u_char *cp;
+ int n;
+ u_char *dnptrs[20], **dpp, **lastdnptr;
+
+#ifdef DEBUG
+ if (statp->options & RES_DEBUG)
+ printf(";; res_nmkquery(%s, %s, %s, %s)\n",
+ _res_opcodes[op], dname, p_class(class), p_type(type));
+#endif
+ /*
+ * Initialize header fields.
+ */
+ if ((buf == NULL) || (buflen < HFIXEDSZ))
+ return (-1);
+ memset(buf, 0, HFIXEDSZ);
+ hp = (HEADER *) buf;
+ /* We randomize the IDs every time. The old code just
+ incremented by one after the initial randomization which
+ still predictable if the application does multiple
+ requests. */
+ int randombits;
+ do
+ {
+#ifdef RANDOM_BITS
+ RANDOM_BITS (randombits);
+#else
+ struct timeval tv;
+ __gettimeofday (&tv, NULL);
+ randombits = (tv.tv_sec << 8) ^ tv.tv_usec;
+#endif
+ }
+ while ((randombits & 0xffff) == 0);
+ statp->id = (statp->id + randombits) & 0xffff;
+ hp->id = statp->id;
+ hp->opcode = op;
+ hp->rd = (statp->options & RES_RECURSE) != 0;
+ hp->rcode = NOERROR;
+ cp = buf + HFIXEDSZ;
+ buflen -= HFIXEDSZ;
+ dpp = dnptrs;
+ *dpp++ = buf;
+ *dpp++ = NULL;
+ lastdnptr = dnptrs + sizeof dnptrs / sizeof dnptrs[0];
+ /*
+ * perform opcode specific processing
+ */
+ switch (op) {
+ case NS_NOTIFY_OP:
+ if ((buflen -= QFIXEDSZ + (data == NULL ? 0 : RRFIXEDSZ)) < 0)
+ return (-1);
+ goto compose;
+
+ case QUERY:
+ if ((buflen -= QFIXEDSZ) < 0)
+ return (-1);
+ compose:
+ n = ns_name_compress(dname, cp, buflen,
+ (const u_char **) dnptrs,
+ (const u_char **) lastdnptr);
+ if (n < 0)
+ return (-1);
+ cp += n;
+ buflen -= n;
+ NS_PUT16 (type, cp);
+ NS_PUT16 (class, cp);
+ hp->qdcount = htons(1);
+ if (op == QUERY || data == NULL)
+ break;
+ /*
+ * Make an additional record for completion domain.
+ */
+ n = ns_name_compress((char *)data, cp, buflen,
+ (const u_char **) dnptrs,
+ (const u_char **) lastdnptr);
+ if (__glibc_unlikely (n < 0))
+ return (-1);
+ cp += n;
+ buflen -= n;
+ NS_PUT16 (T_NULL, cp);
+ NS_PUT16 (class, cp);
+ NS_PUT32 (0, cp);
+ NS_PUT16 (0, cp);
+ hp->arcount = htons(1);
+ break;
+
+ case IQUERY:
+ /*
+ * Initialize answer section
+ */
+ if (__glibc_unlikely (buflen < 1 + RRFIXEDSZ + datalen))
+ return (-1);
+ *cp++ = '\0'; /* no domain name */
+ NS_PUT16 (type, cp);
+ NS_PUT16 (class, cp);
+ NS_PUT32 (0, cp);
+ NS_PUT16 (datalen, cp);
+ if (datalen) {
+ memcpy(cp, data, datalen);
+ cp += datalen;
+ }
+ hp->ancount = htons(1);
+ break;
+
+ default:
+ return (-1);
+ }
+ return (cp - buf);
+}
+libresolv_hidden_def (res_nmkquery)
+
+
+/* attach OPT pseudo-RR, as documented in RFC2671 (EDNS0). */
+#ifndef T_OPT
+#define T_OPT 41
+#endif
+
+int
+__res_nopt(res_state statp,
+ int n0, /* current offset in buffer */
+ u_char *buf, /* buffer to put query */
+ int buflen, /* size of buffer */
+ int anslen) /* UDP answer buffer size */
+{
+ u_int16_t flags = 0;
+
+#ifdef DEBUG
+ if ((statp->options & RES_DEBUG) != 0U)
+ printf(";; res_nopt()\n");
+#endif
+
+ HEADER *hp = (HEADER *) buf;
+ u_char *cp = buf + n0;
+ u_char *ep = buf + buflen;
+
+ if ((ep - cp) < 1 + RRFIXEDSZ)
+ return -1;
+
+ *cp++ = 0; /* "." */
+
+ NS_PUT16(T_OPT, cp); /* TYPE */
+ NS_PUT16(MIN(anslen, 0xffff), cp); /* CLASS = UDP payload size */
+ *cp++ = NOERROR; /* extended RCODE */
+ *cp++ = 0; /* EDNS version */
+
+ if (statp->options & RES_USE_DNSSEC) {
+#ifdef DEBUG
+ if (statp->options & RES_DEBUG)
+ printf(";; res_opt()... ENDS0 DNSSEC\n");
+#endif
+ flags |= NS_OPT_DNSSEC_OK;
+ }
+
+ NS_PUT16(flags, cp);
+ NS_PUT16(0, cp); /* RDLEN */
+ hp->arcount = htons(ntohs(hp->arcount) + 1);
+
+ return cp - buf;
+}
+libresolv_hidden_def (__res_nopt)