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authorUlrich Drepper <drepper@redhat.com>2008-08-01 17:16:31 +0000
committerUlrich Drepper <drepper@redhat.com>2008-08-01 17:16:31 +0000
commitcd5743fdec932002473cf170f57d7a83c8f615d1 (patch)
tree12512a12338958cfa81aedb585961473ce4f6b29 /resolv/ns_parse.c
parent17756df399bdab230152c8ed6591e28a9bed8368 (diff)
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* Versions.def: Add GLIBC_2.9 to libresolv.
* include/resolv.h: Remove hidden proto declarations for __ns_* functions. Add them for __dn_count_labels and __p_secstodate. * include/arpa/nameser.h: Add a number of hidden proto declarations. Define ns_msg_getflags macro here. * resolv/res_debug.c: Add hidden definition for __dn_count_labels and __p_secstodate. * resolv/Versions: Export functions from <arpa/nameser.h> from libresolv in version GLIBC_2.9. * resolv/ns_name.c: Integrate changes from bind 9.5.0. Add necessary hidden definitions. * resolv/ns_netint.c: Likewise. * resolv/ns_parse.c: Likewise. * resolv/ns_print.c: Likewise. * resolv/ns_samedomain.c: Likewise. * resolv/ns_ttl.c: Likewise. * resolv/arpa/nameser_compat.h: Likewise. * resolv/arpa/nameser.h: Likewise. Remove macros which redirect function calls. * resolv/nss_dns/dns-canon.c (_nss_dns_getcanonname_r): Use __ns_get16 instead of ns_get16. * resolv/nss_dns/dns-host.c (getanswer_r): Use __ns_get16 and __ns_get32 instead of ns_get16 and ns_get32 respectively. (gaih_getanswer_slice): Likewise. * resolv/Makefile (libresolv-routines): Add ns_date. * resolv/ns_date.c: New file.
Diffstat (limited to 'resolv/ns_parse.c')
-rw-r--r--resolv/ns_parse.c94
1 files changed, 53 insertions, 41 deletions
diff --git a/resolv/ns_parse.c b/resolv/ns_parse.c
index d305eae..712469b 100644
--- a/resolv/ns_parse.c
+++ b/resolv/ns_parse.c
@@ -1,18 +1,18 @@
/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* 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.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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) && !defined(lint)
@@ -41,25 +41,30 @@ static void setsection(ns_msg *msg, ns_sect sect);
/* Public. */
/* These need to be in the same order as the nres.h:ns_flag enum. */
-struct _ns_flagdata _ns_flagdata[16] = {
- { 0x8000, 15 }, /* qr. */
- { 0x7800, 11 }, /* opcode. */
- { 0x0400, 10 }, /* aa. */
- { 0x0200, 9 }, /* tc. */
- { 0x0100, 8 }, /* rd. */
- { 0x0080, 7 }, /* ra. */
- { 0x0040, 6 }, /* z. */
- { 0x0020, 5 }, /* ad. */
- { 0x0010, 4 }, /* cd. */
- { 0x000f, 0 }, /* rcode. */
- { 0x0000, 0 }, /* expansion (1/6). */
- { 0x0000, 0 }, /* expansion (2/6). */
- { 0x0000, 0 }, /* expansion (3/6). */
- { 0x0000, 0 }, /* expansion (4/6). */
- { 0x0000, 0 }, /* expansion (5/6). */
- { 0x0000, 0 }, /* expansion (6/6). */
+const struct _ns_flagdata _ns_flagdata[16] = {
+ { 0x8000, 15 }, /*%< qr. */
+ { 0x7800, 11 }, /*%< opcode. */
+ { 0x0400, 10 }, /*%< aa. */
+ { 0x0200, 9 }, /*%< tc. */
+ { 0x0100, 8 }, /*%< rd. */
+ { 0x0080, 7 }, /*%< ra. */
+ { 0x0040, 6 }, /*%< z. */
+ { 0x0020, 5 }, /*%< ad. */
+ { 0x0010, 4 }, /*%< cd. */
+ { 0x000f, 0 }, /*%< rcode. */
+ { 0x0000, 0 }, /*%< expansion (1/6). */
+ { 0x0000, 0 }, /*%< expansion (2/6). */
+ { 0x0000, 0 }, /*%< expansion (3/6). */
+ { 0x0000, 0 }, /*%< expansion (4/6). */
+ { 0x0000, 0 }, /*%< expansion (5/6). */
+ { 0x0000, 0 }, /*%< expansion (6/6). */
};
+#undef ns_msg_getflag
+int ns_msg_getflag(ns_msg handle, int flag) {
+ return(((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift);
+}
+
int
ns_skiprr(const u_char *ptr, const u_char *eom, ns_sect section, int count) {
const u_char *optr = ptr;
@@ -83,6 +88,7 @@ ns_skiprr(const u_char *ptr, const u_char *eom, ns_sect section, int count) {
RETERR(EMSGSIZE);
return (ptr - optr);
}
+libresolv_hidden_def (ns_skiprr)
int
ns_initparse(const u_char *msg, int msglen, ns_msg *handle) {
@@ -120,13 +126,16 @@ ns_initparse(const u_char *msg, int msglen, ns_msg *handle) {
setsection(handle, ns_s_max);
return (0);
}
+libresolv_hidden_def (ns_initparse)
int
ns_parserr(ns_msg *handle, ns_sect section, int rrnum, ns_rr *rr) {
int b;
+ int tmp;
/* Make section right. */
- if (section < 0 || section >= ns_s_max)
+ tmp = section;
+ if (tmp < 0 || section >= ns_s_max)
RETERR(ENODEV);
if (section != handle->_sect)
setsection(handle, section);
@@ -139,38 +148,38 @@ ns_parserr(ns_msg *handle, ns_sect section, int rrnum, ns_rr *rr) {
if (rrnum < handle->_rrnum)
setsection(handle, section);
if (rrnum > handle->_rrnum) {
- b = ns_skiprr(handle->_ptr, handle->_eom, section,
+ b = ns_skiprr(handle->_msg_ptr, handle->_eom, section,
rrnum - handle->_rrnum);
if (b < 0)
return (-1);
- handle->_ptr += b;
+ handle->_msg_ptr += b;
handle->_rrnum = rrnum;
}
/* Do the parse. */
b = dn_expand(handle->_msg, handle->_eom,
- handle->_ptr, rr->name, NS_MAXDNAME);
+ handle->_msg_ptr, rr->name, NS_MAXDNAME);
if (b < 0)
return (-1);
- handle->_ptr += b;
- if (handle->_ptr + NS_INT16SZ + NS_INT16SZ > handle->_eom)
+ handle->_msg_ptr += b;
+ if (handle->_msg_ptr + NS_INT16SZ + NS_INT16SZ > handle->_eom)
RETERR(EMSGSIZE);
- NS_GET16(rr->type, handle->_ptr);
- NS_GET16(rr->rr_class, handle->_ptr);
+ NS_GET16(rr->type, handle->_msg_ptr);
+ NS_GET16(rr->rr_class, handle->_msg_ptr);
if (section == ns_s_qd) {
rr->ttl = 0;
rr->rdlength = 0;
rr->rdata = NULL;
} else {
- if (handle->_ptr + NS_INT32SZ + NS_INT16SZ > handle->_eom)
+ if (handle->_msg_ptr + NS_INT32SZ + NS_INT16SZ > handle->_eom)
RETERR(EMSGSIZE);
- NS_GET32(rr->ttl, handle->_ptr);
- NS_GET16(rr->rdlength, handle->_ptr);
- if (handle->_ptr + rr->rdlength > handle->_eom)
+ NS_GET32(rr->ttl, handle->_msg_ptr);
+ NS_GET16(rr->rdlength, handle->_msg_ptr);
+ if (handle->_msg_ptr + rr->rdlength > handle->_eom)
RETERR(EMSGSIZE);
- rr->rdata = handle->_ptr;
- handle->_ptr += rr->rdlength;
+ rr->rdata = handle->_msg_ptr;
+ handle->_msg_ptr += rr->rdlength;
}
if (++handle->_rrnum > handle->_counts[(int)section])
setsection(handle, (ns_sect)((int)section + 1));
@@ -178,6 +187,7 @@ ns_parserr(ns_msg *handle, ns_sect section, int rrnum, ns_rr *rr) {
/* All done. */
return (0);
}
+libresolv_hidden_def (ns_parserr)
/* Private. */
@@ -186,9 +196,11 @@ setsection(ns_msg *msg, ns_sect sect) {
msg->_sect = sect;
if (sect == ns_s_max) {
msg->_rrnum = -1;
- msg->_ptr = NULL;
+ msg->_msg_ptr = NULL;
} else {
msg->_rrnum = 0;
- msg->_ptr = msg->_sections[(int)sect];
+ msg->_msg_ptr = msg->_sections[(int)sect];
}
}
+
+/*! \file */