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Diffstat (limited to 'Utilities/cmcurl/lib/amigaos.c')
| -rw-r--r-- | Utilities/cmcurl/lib/amigaos.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/Utilities/cmcurl/lib/amigaos.c b/Utilities/cmcurl/lib/amigaos.c new file mode 100644 index 0000000..e8c2fc0 --- /dev/null +++ b/Utilities/cmcurl/lib/amigaos.c @@ -0,0 +1,246 @@ +/*************************************************************************** + * _ _ ____ _ + * 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__) +# 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(). + */ + +#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__ */ |