1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 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__ */
|
