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- RCS_ID_C="$Id: amiga_libcalls.c,v 1.19 1993/06/11 19:01:41 too Exp $";
- /*
- * Copyright (c) 1993 AmiTCP/IP Group, <amitcp-group@hut.fi>
- * Helsinki University of Technology, Finland.
- * All rights reserved.
- *
- * HISTORY
- * $Log: amiga_libcalls.c,v $
- * Revision 1.19 1993/06/11 19:01:41 too
- * Changed register argument from a0 to d0 in functions
- * Inet_NtoA, Inet_LnaOf and Inet_NetOf
- *
- * Revision 1.18 1993/06/07 12:37:20 too
- * Changed inet_ntoa, netdatabase functions and WaitSelect() use
- * separate buffers for their dynamic buffers
- *
- * Revision 1.17 1993/06/04 11:16:15 jraja
- * Fixes for first public release.
- *
- * Revision 1.16 1993/05/17 01:07:47 ppessi
- * Changed RCS version.
- *
- * Revision 1.15 1993/05/04 14:08:05 too
- * Changed local api function names to the same as the names given
- * to API programmer, but w/ starting _
- *
- * Revision 1.14 93/05/04 12:05:28 12:05:28 jraja (Jarno Tapio Rajahalme)
- * fix.
- *
- * Revision 1.13 93/04/29 02:21:17 02:21:17 jraja (Jarno Tapio Rajahalme)
- * Added function rresvport().
- *
- * Revision 1.12 93/04/26 13:18:50 13:18:50 jraja (Jarno Tapio Rajahalme)
- * Changed inet_ntoa() to use return buffer as defined in amiga_api.h.
- *
- * Revision 1.11 93/04/26 12:32:51 12:32:51 too (Tomi Ollila)
- * Added #Include <allocdatabinclude <api/allocdatabuffer.h>
- *
- * Revision 1.10 93/04/26 11:52:35 11:52:35 too (Tomi Ollila)
- * Changed include paths of amiga_api.h, amiga_libcallentry.h and amiga_raf.h
- * from kern to api
- *
- * Revision 1.9 93/04/26 11:06:20 11:06:20 too (Tomi Ollila)
- * Added CHECK_TASK2()
- *
- * Revision 1.8 93/04/25 19:58:43 19:58:43 too (Tomi Ollila)
- * Changed inet_ntoa to use dynamic buffers for return string
- *
- * Revision 1.1 93/04/25 19:56:18 19:56:18 too (Tomi Ollila)
- * Initial revision
- *
- * Revision 1.7 93/04/06 15:15:18 15:15:18 jraja (Jarno Tapio Rajahalme)
- * Changed spl function return value storage to spl_t,
- * changed bcopys and bzeros to aligned and/or const when possible,
- * added inclusion of conf.h to every .c file.
- *
- * Revision 1.6 93/03/16 08:30:05 08:30:05 jraja (Jarno Tapio Rajahalme)
- * Removed redundant include of sys/stat.h.
- *
- * Revision 1.5 93/03/12 23:59:14 23:59:14 ppessi (Pekka Pessi)
- * Added inte_addr() return tyep.
- *
- * Revision 1.4 93/03/10 21:06:18 21:06:18 too (Tomi Ollila)
- * Changed use of libPtr->buffer to the new union member
- *
- * Revision 1.3 93/03/09 17:52:22 17:52:22 ppessi (Pekka Pessi)
- * Removed passign struct in_addr passing, now passes only a LONG;
- * fixed inet_ntoa not to print excessive spaces
- *
- * Revision 1.2 93/03/07 00:46:15 00:46:15 jraja (Jarno Tapio Rajahalme)
- * Added SAVEDS to API function definitions.
- *
- * Revision 1.1 93/03/06 02:08:48 02:08:48 jraja (Jarno Tapio Rajahalme)
- * Initial revision
- *
- */
-
- /*
- * Copyright (c) 1983, 1990 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 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.
- */
-
- #include <conf.h>
-
- #include <sys/param.h>
- #include <sys/systm.h>
- #include <sys/socketvar.h>
- #include <sys/kernel.h>
- #include <sys/ioctl.h>
- #include <sys/protosw.h>
- #include <sys/malloc.h>
- #include <sys/synch.h>
- #include <sys/socket.h>
- #include <sys/errno.h>
-
- #include <netinet/in.h>
-
- #include <kern/amiga_includes.h>
-
- #include <api/amiga_api.h>
- #include <api/amiga_libcallentry.h>
- #include <api/allocdatabuffer.h>
-
- #include <ctype.h>
-
- /*
- * Functions which are defined in link library in unix systems
- */
-
- /* from inet_ntoa.c */
- /*
- * Convert network-format internet address
- * to base 256 d.d.d.d representation.
- */
- char *SAVEDS RAF2(_Inet_NtoA,
- struct SocketBase *, libPtr, a6,
- ULONG, s_addr, d0)
- #if 0
- {
- #endif
- NTOHL(s_addr);
-
- CHECK_TASK2();
-
- sprintf(libPtr->inet_ntoa,
- "%ld.%ld.%ld.%ld",
- (s_addr>>24) & 0xff,
- (s_addr>>16) & 0xff,
- (s_addr>>8) & 0xff,
- s_addr & 0xff);
- return ((char *)libPtr->inet_ntoa);
- }
-
- /* from inet_addr.c */
- /*
- * Check whether "cp" is a valid ascii representation
- * of an Internet address and convert to a binary address.
- * Returns 1 if the address is valid, 0 if not.
- * This replaces inet_addr, the return value from which
- * cannot distinguish between failure and a local broadcast address.
- */
-
- int
- inet_aton(register const char *cp, struct in_addr *addr)
- {
- register u_long val, base, n;
- register char c;
- u_long parts[4], *pp = parts;
-
- for (;;) {
- /*
- * Collect number up to ``.''.
- * Values are specified as for C:
- * 0x=hex, 0=octal, other=decimal.
- */
- val = 0; base = 10;
- if (*cp == '0') {
- if (*++cp == 'x' || *cp == 'X')
- base = 16, cp++;
- else
- base = 8;
- }
- while ((c = *cp) != '\0') {
- if (isascii(c) && isdigit(c)) {
- val = (val * base) + (c - '0');
- cp++;
- continue;
- }
- if (base == 16 && isascii(c) && isxdigit(c)) {
- val = (val << 4) +
- (c + 10 - (islower(c) ? 'a' : 'A'));
- cp++;
- continue;
- }
- break;
- }
- if (*cp == '.') {
- /*
- * Internet format:
- * a.b.c.d
- * a.b.c (with c treated as 16-bits)
- * a.b (with b treated as 24 bits)
- */
- if (pp >= parts + 3 || val > 0xff)
- return (0);
- *pp++ = val, cp++;
- } else
- break;
- }
- /*
- * Check for trailing characters.
- */
- if (*cp && (!isascii(*cp) || !isspace(*cp)))
- return (0);
- /*
- * Concoct the address according to
- * the number of parts specified.
- */
- n = pp - parts + 1;
- switch (n) {
-
- case 1: /* a -- 32 bits */
- break;
-
- case 2: /* a.b -- 8.24 bits */
- if (val > 0xffffff)
- return (0);
- val |= parts[0] << 24;
- break;
-
- case 3: /* a.b.c -- 8.8.16 bits */
- if (val > 0xffff)
- return (0);
- val |= (parts[0] << 24) | (parts[1] << 16);
- break;
-
- case 4: /* a.b.c.d -- 8.8.8.8 bits */
- if (val > 0xff)
- return (0);
- val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
- break;
- }
- if (addr)
- addr->s_addr = htonl(val);
- return (1);
- }
-
- /*
- * Ascii internet address interpretation routine.
- * The value returned is in network order.
- */
-
- ULONG SAVEDS RAF2(_inet_addr,
- struct SocketBase *, libPtr, a6,
- const char *, cp, a0)
- #if 0
- {
- #endif
- struct in_addr val;
-
- if (inet_aton(cp, &val))
- return (val.s_addr);
- return (INADDR_NONE);
- }
-
- /* from inet_lnaof.c */
- /*
- * Return the local network address portion of an
- * internet address; handles class a/b/c network
- * number formats.
- */
- ULONG SAVEDS RAF2(_Inet_LnaOf,
- struct SocketBase *, libPtr, a6,
- ULONG, s_addr, d0)
- #if 0
- {
- #endif
- NTOHL(s_addr);
-
- if (IN_CLASSA(s_addr))
- return ((s_addr)&IN_CLASSA_HOST);
- else if (IN_CLASSB(s_addr))
- return ((s_addr)&IN_CLASSB_HOST);
- else
- return ((s_addr)&IN_CLASSC_HOST);
- }
-
- /* from inet_netof.c */
- /*
- * Return the network number from an internet
- * address; handles class a/b/c network #'s.
- */
- ULONG SAVEDS RAF2(_Inet_NetOf,
- struct SocketBase *, libPtr, a6,
- ULONG, s_addr, d0)
- #if 0
- {
- #endif
- NTOHL(s_addr);
-
- if (IN_CLASSA(s_addr))
- return (((s_addr)&IN_CLASSA_NET) >> IN_CLASSA_NSHIFT);
- else if (IN_CLASSB(s_addr))
- return (((s_addr)&IN_CLASSB_NET) >> IN_CLASSB_NSHIFT);
- else
- return (((s_addr)&IN_CLASSC_NET) >> IN_CLASSC_NSHIFT);
- }
-
- /* from inet_makeaddr.c */
- /*
- * Formulate an Internet address from network + host. Used in
- * building addresses stored in the ifnet structure.
- */
- ULONG SAVEDS RAF3(_Inet_MakeAddr,
- struct SocketBase *, libPtr, a6,
- ULONG, net, d0,
- ULONG, host, d1)
- #if 0
- {
- #endif
- u_long addr;
-
- if (net < 128)
- addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST);
- else if (net < 65536)
- addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST);
- else if (net < 16777216L)
- addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST);
- else
- addr = net | host;
-
- return htonl(addr);
- }
-
- /* from inet_network.c */
- /*
- * Internet network address interpretation routine.
- * The library routines call this routine to interpret
- * network numbers.
- */
- ULONG SAVEDS RAF2(_inet_network,
- struct SocketBase *, libPtr, a6,
- const char *, cp, a0)
- #if 0
- {
- #endif
- register u_long val, base, n;
- register char c;
- u_long parts[4], *pp = parts;
- register int i;
-
- again:
- val = 0; base = 10;
- if (*cp == '0')
- base = 8, cp++;
- if (*cp == 'x' || *cp == 'X')
- base = 16, cp++;
- while (c = *cp) {
- if (isdigit(c)) {
- val = (val * base) + (c - '0');
- cp++;
- continue;
- }
- if (base == 16 && isxdigit(c)) {
- val = (val << 4) + (c + 10 - (islower(c) ? 'a' : 'A'));
- cp++;
- continue;
- }
- break;
- }
- if (*cp == '.') {
- if (pp >= parts + 4)
- return (INADDR_NONE);
- *pp++ = val, cp++;
- goto again;
- }
- if (*cp && !isspace(*cp))
- return (INADDR_NONE);
- *pp++ = val;
- n = pp - parts;
- if (n > 4)
- return (INADDR_NONE);
- for (val = 0, i = 0; i < n; i++) {
- val <<= 8;
- val |= parts[i] & 0xff;
- }
- return (val);
- }
-
-