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-rw-r--r--linux/lib/libfreeswan/atoaddr.c238
1 files changed, 0 insertions, 238 deletions
diff --git a/linux/lib/libfreeswan/atoaddr.c b/linux/lib/libfreeswan/atoaddr.c
deleted file mode 100644
index 0c787b10d..000000000
--- a/linux/lib/libfreeswan/atoaddr.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * conversion from ASCII forms of addresses to internal ones
- * Copyright (C) 1998, 1999 Henry Spencer.
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Library General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
- * License for more details.
- *
- * RCSID $Id: atoaddr.c,v 1.1 2004/03/15 20:35:25 as Exp $
- */
-#include "internal.h"
-#include "freeswan.h"
-
-/*
- * Define NOLEADINGZEROS to interpret 032 as an error, not as 32. There
- * is deliberately no way to interpret it as 26 (i.e., as octal).
- */
-
-/*
- * Legal characters in a domain name. Underscore technically is not,
- * but is a common misunderstanding.
- */
-static const char namechars[] = "abcdefghijklmnopqrstuvwxyz0123456789"
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ-_.";
-
-static const char *try8hex(const char *, size_t, struct in_addr *);
-static const char *try8hosthex(const char *, size_t, struct in_addr *);
-static const char *trydotted(const char *, size_t, struct in_addr *);
-static const char *getbyte(const char **, const char *, int *);
-
-/*
- - atoaddr - convert ASCII name or dotted-decimal address to binary address
- */
-const char * /* NULL for success, else string literal */
-atoaddr(src, srclen, addrp)
-const char *src;
-size_t srclen; /* 0 means "apply strlen" */
-struct in_addr *addrp;
-{
- struct hostent *h;
- struct netent *ne = NULL;
- const char *oops;
-# define HEXLEN 10 /* strlen("0x11223344") */
-# ifndef ATOADDRBUF
-# define ATOADDRBUF 100
-# endif
- char namebuf[ATOADDRBUF];
- char *p = namebuf;
- char *q;
-
- if (srclen == 0)
- srclen = strlen(src);
- if (srclen == 0)
- return "empty string";
-
- /* might it be hex? */
- if (srclen == HEXLEN && *src == '0' && CIEQ(*(src+1), 'x'))
- return try8hex(src+2, srclen-2, addrp);
- if (srclen == HEXLEN && *src == '0' && CIEQ(*(src+1), 'h'))
- return try8hosthex(src+2, srclen-2, addrp);
-
- /* try it as dotted decimal */
- oops = trydotted(src, srclen, addrp);
- if (oops == NULL)
- return NULL; /* it worked */
- if (*oops != '?')
- return oops; /* it *was* probably meant as a d.q. */
-
- /* try it as a name -- first, NUL-terminate it */
- if (srclen > sizeof(namebuf)-1) {
- p = (char *) MALLOC(srclen+1);
- if (p == NULL)
- return "unable to allocate temporary space for name";
- }
- p[0] = '\0';
- strncat(p, src, srclen);
-
- /* next, check that it's a vaguely legal name */
- for (q = p; *q != '\0'; q++)
- if (!isprint(*q))
- return "unprintable character in name";
- if (strspn(p, namechars) != srclen)
- return "illegal (non-DNS-name) character in name";
-
- /* try as host name, failing that as /etc/networks network name */
- h = gethostbyname(p);
- if (h == NULL)
- ne = getnetbyname(p);
- if (p != namebuf)
- FREE(p);
- if (h == NULL && ne == NULL)
- return "name lookup failed";
-
- if (h != NULL)
- memcpy(&addrp->s_addr, h->h_addr, sizeof(addrp->s_addr));
- else
- addrp->s_addr = htonl(ne->n_net);
- return NULL;
-}
-
-/*
- - try8hosthex - try conversion as an eight-digit host-order hex number
- */
-const char * /* NULL for success, else string literal */
-try8hosthex(src, srclen, addrp)
-const char *src;
-size_t srclen; /* should be 8 */
-struct in_addr *addrp;
-{
- const char *oops;
- unsigned long addr;
-
- if (srclen != 8)
- return "internal error, try8hex called with bad length";
-
- oops = atoul(src, srclen, 16, &addr);
- if (oops != NULL)
- return oops;
-
- addrp->s_addr = addr;
- return NULL;
-}
-
-/*
- - try8hex - try conversion as an eight-digit network-order hex number
- */
-const char * /* NULL for success, else string literal */
-try8hex(src, srclen, addrp)
-const char *src;
-size_t srclen; /* should be 8 */
-struct in_addr *addrp;
-{
- const char *oops;
-
- oops = try8hosthex(src, srclen, addrp);
- if (oops != NULL)
- return oops;
-
- addrp->s_addr = htonl(addrp->s_addr);
- return NULL;
-}
-
-/*
- - trydotted - try conversion as dotted decimal
- *
- * If the first char of a complaint is '?', that means "didn't look like
- * dotted decimal at all".
- */
-const char * /* NULL for success, else string literal */
-trydotted(src, srclen, addrp)
-const char *src;
-size_t srclen;
-struct in_addr *addrp;
-{
- const char *stop = src + srclen; /* just past end */
- int byte;
- const char *oops;
- unsigned long addr;
- int i;
-# define NBYTES 4
-# define BYTE 8
-
- addr = 0;
- for (i = 0; i < NBYTES && src < stop; i++) {
- oops = getbyte(&src, stop, &byte);
- if (oops != NULL) {
- if (*oops != '?')
- return oops; /* bad number */
- if (i > 1)
- return oops+1; /* failed number */
- return oops; /* with leading '?' */
- }
- addr = (addr << BYTE) | byte;
- if (i < 3 && src < stop && *src++ != '.') {
- if (i == 0)
- return "?syntax error in dotted-decimal address";
- else
- return "syntax error in dotted-decimal address";
- }
- }
- addr <<= (NBYTES - i) * BYTE;
- if (src != stop)
- return "extra garbage on end of dotted-decimal address";
-
- addrp->s_addr = htonl(addr);
- return NULL;
-}
-
-/*
- - getbyte - try to scan a byte in dotted decimal
- * A subtlety here is that all this arithmetic on ASCII digits really is
- * highly portable -- ANSI C guarantees that digits 0-9 are contiguous.
- * It's easier to just do it ourselves than set up for a call to atoul().
- *
- * If the first char of a complaint is '?', that means "didn't look like a
- * number at all".
- */
-const char * /* NULL for success, else string literal */
-getbyte(srcp, stop, retp)
-const char **srcp; /* *srcp is updated */
-const char *stop; /* first untouchable char */
-int *retp; /* return-value pointer */
-{
- char c;
- const char *p;
- int no;
-
- if (*srcp >= stop)
- return "?empty number in dotted-decimal address";
-
- if (stop - *srcp >= 3 && **srcp == '0' && CIEQ(*(*srcp+1), 'x'))
- return "hex numbers not supported in dotted-decimal addresses";
-#ifdef NOLEADINGZEROS
- if (stop - *srcp >= 2 && **srcp == '0' && isdigit(*(*srcp+1)))
- return "octal numbers not supported in dotted-decimal addresses";
-#endif /* NOLEADINGZEROS */
-
- /* must be decimal, if it's numeric at all */
- no = 0;
- p = *srcp;
- while (p < stop && no <= 255 && (c = *p) >= '0' && c <= '9') {
- no = no*10 + (c - '0');
- p++;
- }
- if (p == *srcp)
- return "?non-numeric component in dotted-decimal address";
- *srcp = p;
- if (no > 255)
- return "byte overflow in dotted-decimal address";
- *retp = no;
- return NULL;
-}