1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "apr_arch_networkio.h"
18 #include "apr_network_io.h"
19 #include "apr_portable.h"
20 #include "apr_general.h"
21 #include "apr_lib.h"
22
23 static int os2_socket_init(int, int ,int);
24
25 int (*apr_os2_socket)(int, int, int) = os2_socket_init;
26 int (*apr_os2_select)(int *, int, int, int, long) = NULL;
27 int (*apr_os2_sock_errno)() = NULL;
28 int (*apr_os2_accept)(int, struct sockaddr *, int *) = NULL;
29 int (*apr_os2_bind)(int, struct sockaddr *, int) = NULL;
30 int (*apr_os2_connect)(int, struct sockaddr *, int) = NULL;
31 int (*apr_os2_getpeername)(int, struct sockaddr *, int *) = NULL;
32 int (*apr_os2_getsockname)(int, struct sockaddr *, int *) = NULL;
33 int (*apr_os2_getsockopt)(int, int, int, char *, int *) = NULL;
34 int (*apr_os2_ioctl)(int, int, caddr_t, int) = NULL;
35 int (*apr_os2_listen)(int, int) = NULL;
36 int (*apr_os2_recv)(int, char *, int, int) = NULL;
37 int (*apr_os2_send)(int, const char *, int, int) = NULL;
38 int (*apr_os2_setsockopt)(int, int, int, char *, int) = NULL;
39 int (*apr_os2_shutdown)(int, int) = NULL;
40 int (*apr_os2_soclose)(int) = NULL;
41 int (*apr_os2_writev)(int, struct iovec *, int) = NULL;
42 int (*apr_os2_sendto)(int, const char *, int, int, const struct sockaddr *, int);
43 int (*apr_os2_recvfrom)(int, char *, int, int, struct sockaddr *, int *);
44
45 static HMODULE hSO32DLL;
46
os2_fn_link()47 static int os2_fn_link()
48 {
49 DosEnterCritSec(); /* Stop two threads doing this at the same time */
50
51 if (apr_os2_socket == os2_socket_init) {
52 ULONG rc;
53 char errorstr[200];
54
55 rc = DosLoadModule(errorstr, sizeof(errorstr), "SO32DLL", &hSO32DLL);
56
57 if (rc)
58 return APR_OS2_STATUS(rc);
59
60 rc = DosQueryProcAddr(hSO32DLL, 0, "SOCKET", &apr_os2_socket);
61
62 if (!rc)
63 rc = DosQueryProcAddr(hSO32DLL, 0, "SELECT", &apr_os2_select);
64
65 if (!rc)
66 rc = DosQueryProcAddr(hSO32DLL, 0, "SOCK_ERRNO", &apr_os2_sock_errno);
67
68 if (!rc)
69 rc = DosQueryProcAddr(hSO32DLL, 0, "ACCEPT", &apr_os2_accept);
70
71 if (!rc)
72 rc = DosQueryProcAddr(hSO32DLL, 0, "BIND", &apr_os2_bind);
73
74 if (!rc)
75 rc = DosQueryProcAddr(hSO32DLL, 0, "CONNECT", &apr_os2_connect);
76
77 if (!rc)
78 rc = DosQueryProcAddr(hSO32DLL, 0, "GETPEERNAME", &apr_os2_getpeername);
79
80 if (!rc)
81 rc = DosQueryProcAddr(hSO32DLL, 0, "GETSOCKNAME", &apr_os2_getsockname);
82
83 if (!rc)
84 rc = DosQueryProcAddr(hSO32DLL, 0, "GETSOCKOPT", &apr_os2_getsockopt);
85
86 if (!rc)
87 rc = DosQueryProcAddr(hSO32DLL, 0, "IOCTL", &apr_os2_ioctl);
88
89 if (!rc)
90 rc = DosQueryProcAddr(hSO32DLL, 0, "LISTEN", &apr_os2_listen);
91
92 if (!rc)
93 rc = DosQueryProcAddr(hSO32DLL, 0, "RECV", &apr_os2_recv);
94
95 if (!rc)
96 rc = DosQueryProcAddr(hSO32DLL, 0, "SEND", &apr_os2_send);
97
98 if (!rc)
99 rc = DosQueryProcAddr(hSO32DLL, 0, "SETSOCKOPT", &apr_os2_setsockopt);
100
101 if (!rc)
102 rc = DosQueryProcAddr(hSO32DLL, 0, "SHUTDOWN", &apr_os2_shutdown);
103
104 if (!rc)
105 rc = DosQueryProcAddr(hSO32DLL, 0, "SOCLOSE", &apr_os2_soclose);
106
107 if (!rc)
108 rc = DosQueryProcAddr(hSO32DLL, 0, "WRITEV", &apr_os2_writev);
109
110 if (!rc)
111 rc = DosQueryProcAddr(hSO32DLL, 0, "SENDTO", &apr_os2_sendto);
112
113 if (!rc)
114 rc = DosQueryProcAddr(hSO32DLL, 0, "RECVFROM", &apr_os2_recvfrom);
115
116 if (rc)
117 return APR_OS2_STATUS(rc);
118 }
119
120 DosExitCritSec();
121 return APR_SUCCESS;
122 }
123
124
125
os2_socket_init(int domain,int type,int protocol)126 static int os2_socket_init(int domain, int type, int protocol)
127 {
128 int rc = os2_fn_link();
129 if (rc == APR_SUCCESS)
130 return apr_os2_socket(domain, type, protocol);
131 return rc;
132 }
133