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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#ifdef __AMIGA__
#include <curl/curl.h>
#include "hostip.h"
#include "amigaos.h"
#ifdef HAVE_PROTO_BSDSOCKET_H
# if defined(__amigaos4__)
# error #include <bsdsocket/socketbasetags.h>
# elif !defined(USE_AMISSL)
# include <amitcp/socketbasetags.h>
# endif
# ifdef __libnix__
# include <stabs.h>
# endif
#endif
/* The last #include files should be: */
#include "curl_memory.h"
#include "memdebug.h"
#ifdef HAVE_PROTO_BSDSOCKET_H
#ifdef __amigaos4__
/*
* AmigaOS 4.x specific code
*/
/*
* hostip4.c - Curl_ipv4_resolve_r() replacement code
*
* Logic that needs to be considered are the following build cases:
* - newlib networking
* - clib2 networking
* - direct bsdsocket.library networking (usually AmiSSL builds)
* Each with the threaded resolver enabled or not.
*
* With the threaded resolver enabled, try to use gethostbyname_r() where
* available, otherwise (re)open bsdsocket.library and fallback to
* gethostbyname().
*/
#error #include <proto/bsdsocket.h>
static struct SocketIFace *__CurlISocket = NULL;
static uint32 SocketFeatures = 0;
#define HAVE_BSDSOCKET_GETHOSTBYNAME_R 0x01
#define HAVE_BSDSOCKET_GETADDRINFO 0x02
CURLcode Curl_amiga_init(void)
{
struct SocketIFace *ISocket;
struct Library *base = OpenLibrary("bsdsocket.library", 4);
if(base) {
ISocket = (struct SocketIFace *)GetInterface(base, "main", 1, NULL);
if(ISocket) {
ULONG enabled = 0;
SocketBaseTags(SBTM_SETVAL(SBTC_CAN_SHARE_LIBRARY_BASES), TRUE,
SBTM_GETREF(SBTC_HAVE_GETHOSTADDR_R_API), (ULONG)&enabled,
TAG_DONE);
if(enabled) {
SocketFeatures |= HAVE_BSDSOCKET_GETHOSTBYNAME_R;
}
__CurlISocket = ISocket;
atexit(Curl_amiga_cleanup);
return CURLE_OK;
}
CloseLibrary(base);
}
return CURLE_FAILED_INIT;
}
void Curl_amiga_cleanup(void)
{
if(__CurlISocket) {
struct Library *base = __CurlISocket->Data.LibBase;
DropInterface((struct Interface *)__CurlISocket);
CloseLibrary(base);
__CurlISocket = NULL;
}
}
#ifdef CURLRES_AMIGA
/*
* Because we need to handle the different cases in hostip4.c at run-time,
* not at compile-time, based on what was detected in Curl_amiga_init(),
* we replace it completely with our own as to not complicate the baseline
* code. Assumes malloc/calloc/free are thread safe because Curl_he2ai()
* allocates memory also.
*/
struct Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname,
int port)
{
struct Curl_addrinfo *ai = NULL;
struct hostent *h;
struct SocketIFace *ISocket = __CurlISocket;
if(SocketFeatures & HAVE_BSDSOCKET_GETHOSTBYNAME_R) {
LONG h_errnop = 0;
struct hostent *buf;
buf = calloc(1, CURL_HOSTENT_SIZE);
if(buf) {
h = gethostbyname_r((STRPTR)hostname, buf,
(char *)buf + sizeof(struct hostent),
CURL_HOSTENT_SIZE - sizeof(struct hostent),
&h_errnop);
if(h) {
ai = Curl_he2ai(h, port);
}
free(buf);
}
}
else {
#ifdef CURLRES_THREADED
/* gethostbyname() is not thread safe, so we need to reopen bsdsocket
* on the thread's context
*/
struct Library *base = OpenLibrary("bsdsocket.library", 4);
if(base) {
ISocket = (struct SocketIFace *)GetInterface(base, "main", 1, NULL);
if(ISocket) {
h = gethostbyname((STRPTR)hostname);
if(h) {
ai = Curl_he2ai(h, port);
}
DropInterface((struct Interface *)ISocket);
}
CloseLibrary(base);
}
#else
/* not using threaded resolver - safe to use this as-is */
h = gethostbyname(hostname);
if(h) {
ai = Curl_he2ai(h, port);
}
#endif
}
return ai;
}
#endif /* CURLRES_AMIGA */
#ifdef USE_AMISSL
int Curl_amiga_select(int nfds, fd_set *readfds, fd_set *writefds,
fd_set *errorfds, struct timeval *timeout)
{
int r = WaitSelect(nfds, readfds, writefds, errorfds, timeout, 0);
/* Ensure Ctrl-C signal is actioned */
if((r == -1) && (SOCKERRNO == EINTR))
raise(SIGINT);
return r;
}
#endif /* USE_AMISSL */
#elif !defined(USE_AMISSL) /* __amigaos4__ */
/*
* Amiga OS3 specific code
*/
struct Library *SocketBase = NULL;
extern int errno, h_errno;
#ifdef __libnix__
void __request(const char *msg);
#else
# define __request(msg) Printf(msg "\n\a")
#endif
void Curl_amiga_cleanup(void)
{
if(SocketBase) {
CloseLibrary(SocketBase);
SocketBase = NULL;
}
}
CURLcode Curl_amiga_init(void)
{
if(!SocketBase)
SocketBase = OpenLibrary("bsdsocket.library", 4);
if(!SocketBase) {
__request("No TCP/IP Stack running!");
return CURLE_FAILED_INIT;
}
if(SocketBaseTags(SBTM_SETVAL(SBTC_ERRNOPTR(sizeof(errno))), (ULONG) &errno,
SBTM_SETVAL(SBTC_LOGTAGPTR), (ULONG) "curl",
TAG_DONE)) {
__request("SocketBaseTags ERROR");
return CURLE_FAILED_INIT;
}
#ifndef __libnix__
atexit(Curl_amiga_cleanup);
#endif
return CURLE_OK;
}
#ifdef __libnix__
ADD2EXIT(Curl_amiga_cleanup, -50);
#endif
#endif /* !USE_AMISSL */
#endif /* HAVE_PROTO_BSDSOCKET_H */
#endif /* __AMIGA__ */
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