diff options
author | Guo Mang <mang.guo@intel.com> | 2017-08-02 09:54:47 +0800 |
---|---|---|
committer | Guo Mang <mang.guo@intel.com> | 2017-09-05 19:45:08 +0800 |
commit | 6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8 (patch) | |
tree | 444372d92a0ae8991fe4d15eb3937df43690dfda /StdLib/BsdSocketLib/ns_name.c | |
parent | b207c6434d7a5a4502975d322312e07017e8a8cb (diff) | |
download | edk2-platforms-6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8.tar.xz |
Remove core packages since we can get them from edk2 repository
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'StdLib/BsdSocketLib/ns_name.c')
-rw-r--r-- | StdLib/BsdSocketLib/ns_name.c | 629 |
1 files changed, 0 insertions, 629 deletions
diff --git a/StdLib/BsdSocketLib/ns_name.c b/StdLib/BsdSocketLib/ns_name.c deleted file mode 100644 index 3b8706acba..0000000000 --- a/StdLib/BsdSocketLib/ns_name.c +++ /dev/null @@ -1,629 +0,0 @@ -/*
- * Copyright (c) 1996 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.
- */
-
-/*
- * Portions copyright (c) 1999, 2000
- * Intel Corporation.
- * 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 Intel Corporation and
- * its contributors.
- *
- * 4. Neither the name of Intel Corporation or its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION 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 INTEL CORPORATION 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.
- *
- */
-
-#include <sys/types.h>
-
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-
-#include <errno.h>
-#include <resolv.h>
-#include <string.h>
-
-/* Data. */
-
-static char digits[] = "0123456789";
-
-/* Forward. */
-
-static int special(int);
-static int printable(int);
-static int dn_find(const u_char *, const u_char *,
- const u_char * const *,
- const u_char * const *);
-
-/* Public. */
-
-/*
- * ns_name_ntop(src, dst, dstsiz)
- * Convert an encoded domain name to printable ascii as per RFC1035.
- * return:
- * Number of bytes written to buffer, or -1 (with errno set)
- * notes:
- * The root is returned as "."
- * All other domains are returned in non absolute form
- */
-int
-ns_name_ntop(const u_char *src, char *dst, size_t dstsiz) {
- const u_char *cp;
- char *dn, *eom;
- u_char c;
- u_int n;
-
- cp = src;
- dn = dst;
- eom = dst + dstsiz;
-
- while ((n = *cp++) != 0) {
- if ((n & NS_CMPRSFLGS) != 0) {
- /* Some kind of compression pointer. */
- errno = EMSGSIZE;
- return (-1);
- }
- if (dn != dst) {
- if (dn >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *dn++ = '.';
- }
- if (dn + n >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- for ((void)NULL; n > 0; n--) {
- c = *cp++;
- if (special(c)) {
- if (dn + 1 >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *dn++ = '\\';
- *dn++ = (char)c;
- } else if (!printable(c)) {
- if (dn + 3 >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *dn++ = '\\';
- *dn++ = digits[c / 100];
- *dn++ = digits[(c % 100) / 10];
- *dn++ = digits[c % 10];
- } else {
- if (dn >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *dn++ = (char)c;
- }
- }
- }
- if (dn == dst) {
- if (dn >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *dn++ = '.';
- }
- if (dn >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *dn++ = '\0';
- return ((int)(dn - dst));
-}
-
-/*
- * ns_name_pton(src, dst, dstsiz)
- * Convert a ascii string into an encoded domain name as per RFC1035.
- * return:
- * -1 if it fails
- * 1 if string was fully qualified
- * 0 is string was not fully qualified
- * notes:
- * Enforces label and domain length limits.
- */
-
-int
-ns_name_pton(const char *src, u_char *dst, size_t dstsiz) {
- u_char *label, *bp, *eom;
- int c, n, escaped;
- char *cp;
-
- escaped = 0;
- bp = dst;
- eom = dst + dstsiz;
- label = bp++;
-
- while ((c = *src++) != 0) {
- if (escaped) {
- if ((cp = strchr(digits, c)) != NULL) {
- n = (int)(cp - digits) * 100;
- if ((c = *src++) == 0 ||
- (cp = strchr(digits, c)) == NULL) {
- errno = EMSGSIZE;
- return (-1);
- }
- n += (int)(cp - digits) * 10;
- if ((c = *src++) == 0 ||
- (cp = strchr(digits, c)) == NULL) {
- errno = EMSGSIZE;
- return (-1);
- }
- n += (int)(cp - digits);
- if (n > 255) {
- errno = EMSGSIZE;
- return (-1);
- }
- c = n;
- }
- escaped = 0;
- } else if (c == '\\') {
- escaped = 1;
- continue;
- } else if (c == '.') {
- c = ((int)(bp - label) - 1);
- if ((c & NS_CMPRSFLGS) != 0) { /* Label too big. */
- errno = EMSGSIZE;
- return (-1);
- }
- if (label >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *label = (u_char)c;
- /* Fully qualified ? */
- if (*src == '\0') {
- if (c != 0) {
- if (bp >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *bp++ = '\0';
- }
- if ((bp - dst) > MAXCDNAME) {
- errno = EMSGSIZE;
- return (-1);
- }
- return (1);
- }
- if (c == 0) {
- errno = EMSGSIZE;
- return (-1);
- }
- label = bp++;
- continue;
- }
- if (bp >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *bp++ = (u_char)c;
- }
- c = ((int)(bp - label) - 1);
- if ((c & NS_CMPRSFLGS) != 0) { /* Label too big. */
- errno = EMSGSIZE;
- return (-1);
- }
- if (label >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *label = (u_char)c;
- if (c != 0) {
- if (bp >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *bp++ = 0;
- }
- if ((bp - dst) > MAXCDNAME) { /* src too big */
- errno = EMSGSIZE;
- return (-1);
- }
- return (0);
-}
-
-/*
- * ns_name_unpack(msg, eom, src, dst, dstsiz)
- * Unpack a domain name from a message, source may be compressed.
- * return:
- * -1 if it fails, or consumed octets if it succeeds.
- */
-int
-ns_name_unpack(const u_char *msg, const u_char *eom, const u_char *src,
- u_char *dst, size_t dstsiz)
-{
- const u_char *srcp, *dstlim;
- u_char *dstp;
- int n, len, checked;
-
- len = -1;
- checked = 0;
- dstp = dst;
- srcp = src;
- dstlim = dst + dstsiz;
- if (srcp < msg || srcp >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- /* Fetch next label in domain name. */
- while ((n = *srcp++) != 0) {
- /* Check for indirection. */
- switch (n & NS_CMPRSFLGS) {
- case 0:
- /* Limit checks. */
- if (dstp + n + 1 >= dstlim || srcp + n >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- checked += n + 1;
- *dstp++ = (u_char)n;
- memcpy(dstp, srcp, n);
- dstp += n;
- srcp += n;
- break;
-
- case NS_CMPRSFLGS:
- if (srcp >= eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- if (len < 0)
- len = (int)(srcp - src) + 1;
- srcp = msg + (((n & 0x3f) << 8) | (*srcp & 0xff));
- if (srcp < msg || srcp >= eom) { /* Out of range. */
- errno = EMSGSIZE;
- return (-1);
- }
- checked += 2;
- /*
- * Check for loops in the compressed name;
- * if we've looked at the whole message,
- * there must be a loop.
- */
- if (checked >= eom - msg) {
- errno = EMSGSIZE;
- return (-1);
- }
- break;
-
- default:
- errno = EMSGSIZE;
- return (-1); /* flag error */
- }
- }
- *dstp = '\0';
- if (len < 0)
- len = (int)(srcp - src);
- return (len);
-}
-
-/*
- * ns_name_pack(src, dst, dstsiz, dnptrs, lastdnptr)
- * Pack domain name 'domain' into 'comp_dn'.
- * return:
- * Size of the compressed name, or -1.
- * notes:
- * 'dnptrs' is an array of pointers to previous compressed names.
- * dnptrs[0] is a pointer to the beginning of the message. The array
- * ends with NULL.
- * 'lastdnptr' is a pointer to the end of the array pointed to
- * by 'dnptrs'.
- * Side effects:
- * The list of pointers in dnptrs is updated for labels inserted into
- * the message as we compress the name. If 'dnptr' is NULL, we don't
- * try to compress names. If 'lastdnptr' is NULL, we don't update the
- * list.
- */
-int
-ns_name_pack(const u_char *src, u_char *dst, int dstsiz,
- const u_char **dnptrs, const u_char **lastdnptr)
-{
- u_char *dstp;
- const u_char **cpp, **lpp, *eob, *msg;
- const u_char *srcp;
- int n, l;
-
- srcp = src;
- dstp = dst;
- eob = dstp + dstsiz;
- lpp = cpp = NULL;
- if (dnptrs != NULL) {
- if ((msg = *dnptrs++) != NULL) {
- for (cpp = dnptrs; *cpp != NULL; cpp++)
- (void)NULL;
- lpp = cpp; /* end of list to search */
- }
- } else
- msg = NULL;
-
- /* make sure the domain we are about to add is legal */
- l = 0;
- do {
- n = *srcp;
- if ((n & NS_CMPRSFLGS) != 0) {
- errno = EMSGSIZE;
- return (-1);
- }
- l += n + 1;
- if (l > MAXCDNAME) {
- errno = EMSGSIZE;
- return (-1);
- }
- srcp += n + 1;
- } while (n != 0);
-
- srcp = src;
- do {
- /* Look to see if we can use pointers. */
- n = *srcp;
- if (n != 0 && msg != NULL) {
- l = dn_find(srcp, msg, (const u_char * const *)dnptrs,
- (const u_char * const *)lpp);
- if (l >= 0) {
- if (dstp + 1 >= eob) {
- errno = EMSGSIZE;
- return (-1);
- }
- *dstp++ = (u_char)((l >> 8) | NS_CMPRSFLGS );
- *dstp++ = (u_char)( l % 256 );
- return ((int)(dstp - dst));
- }
- /* Not found, save it. */
- if (lastdnptr != NULL && cpp < lastdnptr - 1 &&
- (dstp - msg) < 0x4000) {
- *cpp++ = dstp;
- *cpp = NULL;
- }
- }
- /* copy label to buffer */
- if (n & NS_CMPRSFLGS) { /* Should not happen. */
- errno = EMSGSIZE;
- return (-1);
- }
- if (dstp + 1 + n >= eob) {
- errno = EMSGSIZE;
- return (-1);
- }
- memcpy(dstp, srcp, n + 1);
- srcp += n + 1;
- dstp += n + 1;
- } while (n != 0);
-
- if (dstp > eob) {
- if (msg != NULL)
- *lpp = NULL;
- errno = EMSGSIZE;
- return (-1);
- }
- return ((int)(dstp - dst));
-}
-
-/*
- * ns_name_uncompress(msg, eom, src, dst, dstsiz)
- * Expand compressed domain name to presentation format.
- * return:
- * Number of bytes read out of `src', or -1 (with errno set).
- * note:
- * Root domain returns as "." not "".
- */
-int
-ns_name_uncompress(const u_char *msg, const u_char *eom, const u_char *src,
- char *dst, size_t dstsiz)
-{
- u_char tmp[NS_MAXCDNAME];
- int n;
-
- if ((n = ns_name_unpack(msg, eom, src, tmp, sizeof tmp)) == -1)
- return (-1);
- if (ns_name_ntop(tmp, dst, dstsiz) == -1)
- return (-1);
- return (n);
-}
-
-/*
- * ns_name_compress(src, dst, dstsiz, dnptrs, lastdnptr)
- * Compress a domain name into wire format, using compression pointers.
- * return:
- * Number of bytes consumed in `dst' or -1 (with errno set).
- * notes:
- * 'dnptrs' is an array of pointers to previous compressed names.
- * dnptrs[0] is a pointer to the beginning of the message.
- * The list ends with NULL. 'lastdnptr' is a pointer to the end of the
- * array pointed to by 'dnptrs'. Side effect is to update the list of
- * pointers for labels inserted into the message as we compress the name.
- * If 'dnptr' is NULL, we don't try to compress names. If 'lastdnptr'
- * is NULL, we don't update the list.
- */
-int
-ns_name_compress(const char *src, u_char *dst, size_t dstsiz,
- const u_char **dnptrs, const u_char **lastdnptr)
-{
- u_char tmp[NS_MAXCDNAME];
-
- if (ns_name_pton(src, tmp, sizeof tmp) == -1)
- return (-1);
- return (ns_name_pack(tmp, dst, (int)dstsiz, dnptrs, lastdnptr));
-}
-
-/*
- * ns_name_skip(ptrptr, eom)
- * Advance *ptrptr to skip over the compressed name it points at.
- * return:
- * 0 on success, -1 (with errno set) on failure.
- */
-int
-ns_name_skip(const u_char **ptrptr, const u_char *eom) {
- const u_char *cp;
- u_int n;
-
- cp = *ptrptr;
- while (cp < eom && (n = *cp++) != 0) {
- /* Check for indirection. */
- switch (n & NS_CMPRSFLGS) {
- case 0: /* normal case, n == len */
- cp += n;
- continue;
- case NS_CMPRSFLGS: /* indirection */
- cp++;
- break;
- default: /* illegal type */
- errno = EMSGSIZE;
- return (-1);
- }
- break;
- }
- if (cp > eom) {
- errno = EMSGSIZE;
- return (-1);
- }
- *ptrptr = cp;
- return (0);
-}
-
-/* Private. */
-
-/*
- * special(ch)
- * Thinking in noninternationalized USASCII (per the DNS spec),
- * is this characted special ("in need of quoting") ?
- * return:
- * boolean.
- */
-static int
-special(int ch) {
- switch (ch) {
- case 0x22: /* '"' */
- case 0x2E: /* '.' */
- case 0x3B: /* ';' */
- case 0x5C: /* '\\' */
- /* Special modifiers in zone files. */
- case 0x40: /* '@' */
- case 0x24: /* '$' */
- return (1);
- default:
- return (0);
- }
-}
-
-/*
- * printable(ch)
- * Thinking in noninternationalized USASCII (per the DNS spec),
- * is this character visible and not a space when printed ?
- * return:
- * boolean.
- */
-static int
-printable(int ch) {
- return (ch > 0x20 && ch < 0x7f);
-}
-
-/*
- * Thinking in noninternationalized USASCII (per the DNS spec),
- * convert this character to lower case if it's upper case.
- */
-static int
-mklower(int ch) {
- if (ch >= 0x41 && ch <= 0x5A)
- return (ch + 0x20);
- return (ch);
-}
-
-/*
- * dn_find(domain, msg, dnptrs, lastdnptr)
- * Search for the counted-label name in an array of compressed names.
- * return:
- * offset from msg if found, or -1.
- * notes:
- * dnptrs is the pointer to the first name on the list,
- * not the pointer to the start of the message.
- */
-static int
-dn_find(const u_char *domain, const u_char *msg,
- const u_char * const *dnptrs,
- const u_char * const *lastdnptr)
-{
- const u_char *dn, *cp, *sp;
- const u_char * const *cpp;
- u_int n;
-
- for (cpp = dnptrs; cpp < lastdnptr; cpp++) {
- dn = domain;
- sp = cp = *cpp;
- while ((n = *cp++) != 0) {
- /*
- * check for indirection
- */
- switch (n & NS_CMPRSFLGS) {
- case 0: /* normal case, n == len */
- if (n != *dn++)
- goto next;
- for ((void)NULL; n > 0; n--)
- if (mklower(*dn++) != mklower(*cp++))
- goto next;
- /* Is next root for both ? */
- if (*dn == '\0' && *cp == '\0')
- return ((int)(sp - msg));
- if (*dn)
- continue;
- goto next;
-
- case NS_CMPRSFLGS: /* indirection */
- cp = msg + (((n & 0x3f) << 8) | *cp);
- break;
-
- default: /* illegal type */
- errno = EMSGSIZE;
- return (-1);
- }
- }
- next: ;
- }
- errno = ENOENT;
- return (-1);
-}
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