- merge in our newer and better changes

- pass lint
- XXX: need to get rid of SPRINTF() macro
This commit is contained in:
christos 2004-05-20 23:12:33 +00:00
parent c8c7a6dbab
commit df0952c6d2
6 changed files with 245 additions and 81 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: inet_addr.c,v 1.1.1.1 2004/05/20 22:29:02 christos Exp $ */
/* $NetBSD: inet_addr.c,v 1.2 2004/05/20 23:12:33 christos Exp $ */
/*
* Copyright (c) 1983, 1990, 1993
@ -70,13 +70,19 @@
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static const char sccsid[] = "@(#)inet_addr.c 8.1 (Berkeley) 6/17/93";
static const char rcsid[] = "Id: inet_addr.c,v 1.2.206.2 2004/03/17 00:29:45 marka Exp";
#else
__RCSID("$NetBSD: inet_addr.c,v 1.2 2004/05/20 23:12:33 christos Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include "port_before.h"
#include "namespace.h"
#include <sys/types.h>
#include <sys/param.h>
@ -87,11 +93,15 @@ static const char rcsid[] = "Id: inet_addr.c,v 1.2.206.2 2004/03/17 00:29:45 mar
#include "port_after.h"
#ifdef __weak_alias
__weak_alias(inet_aton,_inet_aton)
#endif
/*
* Ascii internet address interpretation routine.
* The value returned is in network order.
*/
u_long
u_int32_t
inet_addr(const char *cp) {
struct in_addr val;
@ -109,7 +119,7 @@ inet_addr(const char *cp) {
*/
int
inet_aton(const char *cp, struct in_addr *addr) {
u_long val;
u_int32_t val;
int base, n;
char c;
u_int8_t parts[4];

View File

@ -1,4 +1,4 @@
/* $NetBSD: inet_cidr_ntop.c,v 1.1.1.1 2004/05/20 22:29:02 christos Exp $ */
/* $NetBSD: inet_cidr_ntop.c,v 1.2 2004/05/20 23:12:33 christos Exp $ */
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
@ -17,12 +17,18 @@
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static const char rcsid[] = "Id: inet_cidr_ntop.c,v 1.1.2.1.8.2 2004/03/17 00:29:46 marka Exp";
#else
__RCSID("$NetBSD: inet_cidr_ntop.c,v 1.2 2004/05/20 23:12:33 christos Exp $");
#endif
#endif
#include "port_before.h"
#include "namespace.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
@ -36,6 +42,10 @@ static const char rcsid[] = "Id: inet_cidr_ntop.c,v 1.1.2.1.8.2 2004/03/17 00:29
#include "port_after.h"
#ifdef __weak_alias
__weak_alias(inet_cidr_ntop,_inet_cidr_ntop)
#endif
#ifdef SPRINTF_CHAR
# define SPRINTF(x) strlen(sprintf/**/x)
#else
@ -75,10 +85,10 @@ inet_cidr_ntop(int af, const void *src, int bits, char *dst, size_t size) {
}
static int
decoct(const u_char *src, int bytes, char *dst, size_t size) {
decoct(const u_char *src, size_t bytes, char *dst, size_t size) {
char *odst = dst;
char *t;
int b;
size_t b;
for (b = 1; b <= bytes; b++) {
if (size < sizeof "255.")
@ -221,7 +231,7 @@ inet_cidr_ntop_ipv6(const u_char *src, int bits, char *dst, size_t size) {
if (i == 6 && best.base == 0 && (best.len == 6 ||
(best.len == 7 && words[7] != 0x0001) ||
(best.len == 5 && words[5] == 0xffff))) {
int n;
size_t n;
if (src[15] || bits == -1 || bits > 120)
n = 4;

View File

@ -1,4 +1,4 @@
/* $NetBSD: inet_cidr_pton.c,v 1.1.1.1 2004/05/20 22:29:02 christos Exp $ */
/* $NetBSD: inet_cidr_pton.c,v 1.2 2004/05/20 23:12:33 christos Exp $ */
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
@ -17,12 +17,18 @@
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static const char rcsid[] = "Id: inet_cidr_pton.c,v 1.2.2.1.8.2 2004/03/17 00:29:46 marka Exp";
#else
__RCSID("$NetBSD: inet_cidr_pton.c,v 1.2 2004/05/20 23:12:33 christos Exp $");
#endif
#endif
#include "port_before.h"
#include "namespace.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
@ -44,6 +50,10 @@ static const char rcsid[] = "Id: inet_cidr_pton.c,v 1.2.2.1.8.2 2004/03/17 00:29
# define SPRINTF(x) ((size_t)sprintf x)
#endif
#ifdef __weak_alias
__weak_alias(inet_cidr_pton,_inet_cidr_pton)
#endif
static int inet_cidr_pton_ipv4 __P((const char *src, u_char *dst,
int *bits, int ipv6));
static int inet_cidr_pton_ipv6 __P((const char *src, u_char *dst,

View File

@ -1,4 +1,4 @@
/* $NetBSD: inet_ntop.c,v 1.1.1.1 2004/05/20 22:29:02 christos Exp $ */
/* $NetBSD: inet_ntop.c,v 1.2 2004/05/20 23:12:33 christos Exp $ */
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
@ -17,12 +17,18 @@
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static const char rcsid[] = "Id: inet_ntop.c,v 1.1.2.1.8.1 2004/03/09 08:33:33 marka Exp";
#else
__RCSID("$NetBSD: inet_ntop.c,v 1.2 2004/05/20 23:12:33 christos Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include "port_before.h"
#include "namespace.h"
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
@ -31,16 +37,16 @@ static const char rcsid[] = "Id: inet_ntop.c,v 1.1.2.1.8.1 2004/03/09 08:33:33 m
#include <arpa/inet.h>
#include <arpa/nameser.h>
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "port_after.h"
#ifdef SPRINTF_CHAR
# define SPRINTF(x) strlen(sprintf/**/x)
#else
# define SPRINTF(x) ((size_t)sprintf x)
#ifdef __weak_alias
__weak_alias(inet_ntop,_inet_ntop)
#endif
/*
@ -48,8 +54,8 @@ static const char rcsid[] = "Id: inet_ntop.c,v 1.1.2.1.8.1 2004/03/09 08:33:33 m
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
*/
static const char *inet_ntop4 __P((const u_char *src, char *dst, size_t size));
static const char *inet_ntop6 __P((const u_char *src, char *dst, size_t size));
static const char *inet_ntop4(const u_char *src, char *dst, socklen_t size);
static const char *inet_ntop6(const u_char *src, char *dst, socklen_t size);
/* char *
* inet_ntop(af, src, dst, size)
@ -64,8 +70,12 @@ inet_ntop(af, src, dst, size)
int af;
const void *src;
char *dst;
size_t size;
socklen_t size;
{
_DIAGASSERT(src != NULL);
_DIAGASSERT(dst != NULL);
switch (af) {
case AF_INET:
return (inet_ntop4(src, dst, size));
@ -80,7 +90,7 @@ inet_ntop(af, src, dst, size)
/* const char *
* inet_ntop4(src, dst, size)
* format an IPv4 address
* format an IPv4 address, more or less like inet_ntoa()
* return:
* `dst' (as a const)
* notes:
@ -93,16 +103,21 @@ static const char *
inet_ntop4(src, dst, size)
const u_char *src;
char *dst;
size_t size;
socklen_t size;
{
static const char fmt[] = "%u.%u.%u.%u";
char tmp[sizeof "255.255.255.255"];
int l;
if (SPRINTF((tmp, fmt, src[0], src[1], src[2], src[3])) >= size) {
_DIAGASSERT(src != NULL);
_DIAGASSERT(dst != NULL);
l = snprintf(tmp, sizeof(tmp), "%u.%u.%u.%u",
src[0], src[1], src[2], src[3]);
if (l <= 0 || (socklen_t) l >= size) {
errno = ENOSPC;
return (NULL);
}
strcpy(dst, tmp);
strlcpy(dst, tmp, size);
return (dst);
}
@ -116,7 +131,7 @@ static const char *
inet_ntop6(src, dst, size)
const u_char *src;
char *dst;
size_t size;
socklen_t size;
{
/*
* Note that int32_t and int16_t need only be "at least" large enough
@ -125,10 +140,15 @@ inet_ntop6(src, dst, size)
* Keep this in mind if you think this function should have been coded
* to use pointer overlays. All the world's not a VAX.
*/
char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"];
char *tp, *ep;
struct { int base, len; } best, cur;
u_int words[NS_IN6ADDRSZ / NS_INT16SZ];
int i;
int advance;
_DIAGASSERT(src != NULL);
_DIAGASSERT(dst != NULL);
/*
* Preprocess:
@ -165,6 +185,7 @@ inet_ntop6(src, dst, size)
* Format the result.
*/
tp = tmp;
ep = tmp + sizeof(tmp);
for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
/* Are we inside the best run of 0x00's? */
if (best.base != -1 && i >= best.base &&
@ -174,23 +195,35 @@ inet_ntop6(src, dst, size)
continue;
}
/* Are we following an initial run of 0x00s or any real hex? */
if (i != 0)
if (i != 0) {
if (tp + 1 >= ep)
return (NULL);
*tp++ = ':';
}
/* Is this address an encapsulated IPv4? */
if (i == 6 && best.base == 0 && (best.len == 6 ||
if (i == 6 && best.base == 0 &&
(best.len == 6 ||
(best.len == 7 && words[7] != 0x0001) ||
(best.len == 5 && words[5] == 0xffff))) {
if (!inet_ntop4(src+12, tp, sizeof tmp - (tp - tmp)))
if (!inet_ntop4(src+12, tp, (socklen_t)(ep - tp)))
return (NULL);
tp += strlen(tp);
break;
}
tp += SPRINTF((tp, "%x", words[i]));
advance = snprintf(tp, (size_t)(ep - tp), "%x", words[i]);
if (advance <= 0 || advance >= ep - tp)
return (NULL);
tp += advance;
}
/* Was it a trailing run of 0x00's? */
if (best.base != -1 && (best.base + best.len) ==
(NS_IN6ADDRSZ / NS_INT16SZ))
(NS_IN6ADDRSZ / NS_INT16SZ)) {
if (tp + 1 >= ep)
return (NULL);
*tp++ = ':';
}
if (tp + 1 >= ep)
return (NULL);
*tp++ = '\0';
/*
@ -200,6 +233,6 @@ inet_ntop6(src, dst, size)
errno = ENOSPC;
return (NULL);
}
strcpy(dst, tmp);
strlcpy(dst, tmp, size);
return (dst);
}

View File

@ -1,4 +1,4 @@
/* $NetBSD: inet_pton.c,v 1.1.1.1 2004/05/20 22:29:02 christos Exp $ */
/* $NetBSD: inet_pton.c,v 1.2 2004/05/20 23:12:33 christos Exp $ */
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
@ -17,11 +17,18 @@
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static const char rcsid[] = "Id: inet_pton.c,v 1.2.206.1 2004/03/09 08:33:33 marka Exp";
#else
__RCSID("$NetBSD: inet_pton.c,v 1.2 2004/05/20 23:12:33 christos Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include "port_before.h"
#include "namespace.h"
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
@ -29,16 +36,23 @@ static const char rcsid[] = "Id: inet_pton.c,v 1.2.206.1 2004/03/09 08:33:33 mar
#include <arpa/inet.h>
#include <arpa/nameser.h>
#include <string.h>
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include "port_after.h"
#ifdef __weak_alias
__weak_alias(inet_pton,_inet_pton)
#endif
/*
* WARNING: Don't even consider trying to compile this on a system where
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
*/
static int inet_pton4 __P((const char *src, u_char *dst));
static int inet_pton6 __P((const char *src, u_char *dst));
static int inet_pton4(const char *src, u_char *dst, int pton);
static int inet_pton6(const char *src, u_char *dst);
/* int
* inet_pton(af, src, dst)
@ -52,14 +66,15 @@ static int inet_pton6 __P((const char *src, u_char *dst));
* Paul Vixie, 1996.
*/
int
inet_pton(af, src, dst)
int af;
const char *src;
void *dst;
inet_pton(int af, const char *src, void *dst)
{
_DIAGASSERT(src != NULL);
_DIAGASSERT(dst != NULL);
switch (af) {
case AF_INET:
return (inet_pton4(src, dst));
return (inet_pton4(src, dst, 1));
case AF_INET6:
return (inet_pton6(src, dst));
default:
@ -70,54 +85,123 @@ inet_pton(af, src, dst)
}
/* int
* inet_pton4(src, dst)
* like inet_aton() but without all the hexadecimal and shorthand.
* inet_pton4(src, dst, pton)
* when last arg is 0: inet_aton(). with hexadecimal, octal and shorthand.
* when last arg is 1: inet_pton(). decimal dotted-quad only.
* return:
* 1 if `src' is a valid dotted quad, else 0.
* 1 if `src' is a valid input, else 0.
* notice:
* does not touch `dst' unless it's returning 1.
* author:
* Paul Vixie, 1996.
*/
static int
inet_pton4(src, dst)
const char *src;
u_char *dst;
inet_pton4(const char *src, u_char *dst, int pton)
{
static const char digits[] = "0123456789";
int saw_digit, octets, ch;
u_char tmp[NS_INADDRSZ], *tp;
u_int32_t val;
u_int digit, base;
int n;
unsigned char c;
u_int parts[4];
register u_int *pp = parts;
saw_digit = 0;
octets = 0;
*(tp = tmp) = 0;
while ((ch = *src++) != '\0') {
const char *pch;
_DIAGASSERT(src != NULL);
_DIAGASSERT(dst != NULL);
if ((pch = strchr(digits, ch)) != NULL) {
u_int new = *tp * 10 + (pch - digits);
if (saw_digit && *tp == 0)
return (0);
if (new > 255)
return (0);
*tp = new;
if (!saw_digit) {
if (++octets > 4)
return (0);
saw_digit = 1;
}
} else if (ch == '.' && saw_digit) {
if (octets == 4)
return (0);
*++tp = 0;
saw_digit = 0;
} else
c = *src;
for (;;) {
/*
* Collect number up to ``.''.
* Values are specified as for C:
* 0x=hex, 0=octal, isdigit=decimal.
*/
if (!isdigit(c))
return (0);
val = 0; base = 10;
if (c == '0') {
c = *++src;
if (c == 'x' || c == 'X')
base = 16, c = *++src;
else if (isdigit(c) && c != '9')
base = 8;
}
/* inet_pton() takes decimal only */
if (pton && base != 10)
return (0);
for (;;) {
if (isdigit(c)) {
digit = c - '0';
if (digit >= base)
break;
val = (val * base) + digit;
c = *++src;
} else if (base == 16 && isxdigit(c)) {
digit = c + 10 - (islower(c) ? 'a' : 'A');
if (digit >= 16)
break;
val = (val << 4) | digit;
c = *++src;
} else
break;
}
if (c == '.') {
/*
* Internet format:
* a.b.c.d
* a.b.c (with c treated as 16 bits)
* a.b (with b treated as 24 bits)
* a (with a treated as 32 bits)
*/
if (pp >= parts + 3)
return (0);
*pp++ = val;
c = *++src;
} else
break;
}
if (octets < 4)
/*
* Check for trailing characters.
*/
if (c != '\0' && !isspace(c))
return (0);
memcpy(dst, tmp, NS_INADDRSZ);
/*
* Concoct the address according to
* the number of parts specified.
*/
n = pp - parts + 1;
/* inet_pton() takes dotted-quad only. it does not take shorthand. */
if (pton && n != 4)
return (0);
switch (n) {
case 0:
return (0); /* initial nondigit */
case 1: /* a -- 32 bits */
break;
case 2: /* a.b -- 8.24 bits */
if (parts[0] > 0xff || val > 0xffffff)
return (0);
val |= parts[0] << 24;
break;
case 3: /* a.b.c -- 8.8.16 bits */
if ((parts[0] | parts[1]) > 0xff || val > 0xffff)
return (0);
val |= (parts[0] << 24) | (parts[1] << 16);
break;
case 4: /* a.b.c.d -- 8.8.8.8 bits */
if ((parts[0] | parts[1] | parts[2] | val) > 0xff)
return (0);
val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
break;
}
if (dst) {
val = htonl(val);
memcpy(dst, &val, NS_INADDRSZ);
}
return (1);
}
@ -135,9 +219,7 @@ inet_pton4(src, dst)
* Paul Vixie, 1996.
*/
static int
inet_pton6(src, dst)
const char *src;
u_char *dst;
inet_pton6(const char *src, u_char *dst)
{
static const char xdigits_l[] = "0123456789abcdef",
xdigits_u[] = "0123456789ABCDEF";
@ -146,6 +228,9 @@ inet_pton6(src, dst)
int ch, saw_xdigit;
u_int val;
_DIAGASSERT(src != NULL);
_DIAGASSERT(dst != NULL);
memset((tp = tmp), '\0', NS_IN6ADDRSZ);
endp = tp + NS_IN6ADDRSZ;
colonp = NULL;
@ -176,10 +261,9 @@ inet_pton6(src, dst)
return (0);
colonp = tp;
continue;
} else if (*src == '\0') {
} else if (*src == '\0')
return (0);
}
if (tp + NS_INT16SZ > endp)
if (tp + INT16SZ > endp)
return (0);
*tp++ = (u_char) (val >> 8) & 0xff;
*tp++ = (u_char) val & 0xff;
@ -188,7 +272,7 @@ inet_pton6(src, dst)
continue;
}
if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&
inet_pton4(curtok, tp) > 0) {
inet_pton4(curtok, tp, 1) > 0) {
tp += NS_INADDRSZ;
saw_xdigit = 0;
break; /* '\0' was seen by inet_pton4(). */

View File

@ -1,4 +1,4 @@
/* $NetBSD: nsap_addr.c,v 1.1.1.1 2004/05/20 22:29:02 christos Exp $ */
/* $NetBSD: nsap_addr.c,v 1.2 2004/05/20 23:12:33 christos Exp $ */
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
@ -17,12 +17,18 @@
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static const char rcsid[] = "Id: nsap_addr.c,v 1.2.206.1 2004/03/09 08:33:33 marka Exp";
#else
__RCSID("$NetBSD: nsap_addr.c,v 1.2 2004/05/20 23:12:33 christos Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include "port_before.h"
#include "namespace.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
@ -31,11 +37,17 @@ static const char rcsid[] = "Id: nsap_addr.c,v 1.2.206.1 2004/03/09 08:33:33 mar
#include <arpa/inet.h>
#include <arpa/nameser.h>
#include <assert.h>
#include <ctype.h>
#include <resolv.h>
#include "port_after.h"
#ifdef __weak_alias
__weak_alias(inet_nsap_addr,_inet_nsap_addr)
__weak_alias(inet_nsap_ntoa,_inet_nsap_ntoa)
#endif
static char
xtob(int c) {
return (c - (((c >= '0') && (c <= '9')) ? '0' : '7'));
@ -46,6 +58,9 @@ inet_nsap_addr(const char *ascii, u_char *binary, int maxlen) {
u_char c, nib;
u_int len = 0;
_DIAGASSERT(ascii != NULL);
_DIAGASSERT(binary != NULL);
if (ascii[0] != '0' || (ascii[1] != 'x' && ascii[1] != 'X'))
return (0);
ascii += 2;
@ -84,6 +99,8 @@ inet_nsap_ntoa(int binlen, const u_char *binary, char *ascii) {
static char tmpbuf[2+255*3];
char *start;
_DIAGASSERT(binary != NULL);
if (ascii)
start = ascii;
else {
@ -98,7 +115,7 @@ inet_nsap_ntoa(int binlen, const u_char *binary, char *ascii) {
binlen = 255;
for (i = 0; i < binlen; i++) {
nib = *binary >> 4;
nib = (u_int32_t)*binary >> 4;
*ascii++ = nib + (nib < 10 ? '0' : '7');
nib = *binary++ & 0x0f;
*ascii++ = nib + (nib < 10 ? '0' : '7');