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57bd4c60 WS |
1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: src/msw/wince/net.cpp | |
3 | // Purpose: | |
4 | // Author: | |
5 | // Modified by: | |
6 | // Created: | |
57bd4c60 WS |
7 | // Copyright: Copyright 1998, Ben Goetter. All rights reserved. |
8 | // Licence: wxWindows licence | |
9 | /////////////////////////////////////////////////////////////////////////////// | |
882dfc67 JS |
10 | |
11 | /* | |
39fc096d | 12 | patch holes in winsock |
882dfc67 JS |
13 | |
14 | WCE 2.0 lacks many of the 'database' winsock routines. | |
15 | Stub just enough them for ss.dll. | |
16 | ||
17 | getprotobynumber | |
18 | getservbyport | |
19 | getservbyname | |
20 | ||
21 | */ | |
22 | ||
d5e64615 VS |
23 | // For compilers that support precompilation, includes "wx.h". |
24 | #include "wx/wxprec.h" | |
25 | ||
26 | #ifdef __BORLANDC__ | |
27 | #pragma hdrstop | |
28 | #endif | |
29 | ||
57bd4c60 WS |
30 | #ifndef WX_PRECOMP |
31 | #include "wx/msw/wrapwin.h" | |
32 | #endif | |
33 | ||
882dfc67 JS |
34 | #include <tchar.h> |
35 | #include <winsock.h> | |
36 | #include <string.h> | |
37 | #include "wx/msw/wince/net.h" | |
38 | ||
39 | ||
40 | #define CCH_MAX_PROTO 4 | |
41 | ||
42 | static struct protoent RgProtoEnt[] = | |
43 | { | |
44 | { "tcp", {NULL}, 6 }, | |
45 | { "udp", {NULL}, 17 }, | |
46 | { "icmp", {NULL}, 1 }, | |
47 | { "ip", {NULL}, 0 }, | |
48 | { NULL, {NULL}, 0 } | |
49 | }; | |
50 | ||
51 | ||
52 | #define CCH_MAX_SERV 8 | |
53 | ||
54 | // Ordered by most likely to be requested. | |
55 | // Assumes that a service available on different protocols | |
56 | // will use the same port number on each protocol. | |
39fc096d | 57 | // Should that be no longer the case, |
882dfc67 JS |
58 | // remove the fFoundOnce code from getservbyXxx fcns. |
59 | ||
60 | // This table keeps port numbers in host byte order. | |
61 | ||
62 | static struct servent RgServEnt[] = | |
63 | { | |
64 | { "ftp", {NULL}, 21, "tcp" }, | |
65 | { "ftp-data", {NULL}, 20, "tcp" }, | |
66 | { "telnet", {NULL}, 23, "tcp" }, | |
67 | { "smtp", {NULL}, 25, "tcp" }, | |
68 | { "http", {NULL}, 80, "tcp" }, | |
69 | { "http", {NULL}, 80, "udp" }, | |
70 | { "pop", {NULL}, 109, "tcp" }, | |
71 | { "pop2", {NULL}, 109, "tcp" }, | |
72 | { "pop3", {NULL}, 110, "tcp" }, | |
73 | { "nntp", {NULL}, 119, "tcp" }, | |
74 | { "finger", {NULL}, 79, "tcp" }, | |
75 | /* include most of the simple TCP services for testing */ | |
76 | { "echo", {NULL}, 7, "tcp" }, | |
77 | { "echo", {NULL}, 7, "udp" }, | |
78 | { "discard", {NULL}, 9, "tcp" }, | |
79 | { "discard", {NULL}, 9, "udp" }, | |
80 | { "chargen", {NULL}, 19, "tcp" }, | |
81 | { "chargen", {NULL}, 19, "udp" }, | |
82 | { "systat", {NULL}, 11, "tcp" }, | |
83 | { "systat", {NULL}, 11, "udp" }, | |
84 | { "daytime", {NULL}, 13, "tcp" }, | |
85 | { "daytime", {NULL}, 13, "udp" }, | |
86 | { "netstat", {NULL}, 15, "tcp" }, | |
87 | { "qotd", {NULL}, 17, "tcp" }, | |
88 | { "qotd", {NULL}, 17, "udp" }, | |
89 | { NULL, {NULL}, 0, NULL } | |
90 | }; | |
91 | ||
92 | // Since table kept in host byte order, | |
93 | // return this element to callers | |
94 | ||
95 | static struct servent ServEntReturn = {0}; | |
96 | ||
97 | // Because CE doesn't have _stricmp - that's why. | |
98 | ||
99 | static void strcpyLC(char* szDst, const char* szSrc, int cch) | |
100 | { | |
101 | int i; | |
102 | char ch; | |
103 | for (i = 0, ch = szSrc[i]; i < cch && ch != 0; ch = szSrc[++i]) | |
104 | { | |
105 | szDst[i] = (ch >= 'A' && ch <= 'Z') ? (ch + ('a'-'A')) : ch; | |
106 | } szDst[i] = 0; | |
107 | } | |
108 | ||
109 | ||
110 | struct servent * WINSOCKAPI getservbyport(int port, const char * proto) | |
111 | { | |
112 | ||
113 | port = ntohs((unsigned short)port); // arrives in network byte order | |
114 | struct servent *ps = &RgServEnt[0]; | |
115 | BOOL fFoundOnce = FALSE; // flag to short-circuit search through rest of db | |
116 | ||
117 | // Make a lowercase version for comparison | |
118 | // truncate to 1 char longer than any value in table | |
119 | char szProtoLC[CCH_MAX_PROTO+2]; | |
120 | if (NULL != proto) | |
121 | strcpyLC(szProtoLC, proto, CCH_MAX_PROTO+1); | |
122 | ||
123 | while (NULL != ps->s_name) | |
124 | { | |
125 | if (port == ps->s_port) | |
126 | { | |
127 | fFoundOnce = TRUE; | |
128 | if (NULL == proto || !strcmp(szProtoLC, ps->s_proto)) | |
129 | { | |
130 | ServEntReturn = *ps; | |
131 | ServEntReturn.s_port = htons(ps->s_port); | |
132 | return &ServEntReturn; | |
133 | } | |
134 | } | |
135 | else if (fFoundOnce) | |
136 | break; | |
137 | ++ps; | |
138 | } return NULL; | |
139 | } | |
140 | ||
141 | ||
142 | struct servent * WINSOCKAPI getservbyname(const char * name, | |
143 | const char * proto) | |
144 | { | |
145 | struct servent *ps = &RgServEnt[0]; | |
146 | BOOL fFoundOnce = FALSE; // flag to short-circuit search through rest of db | |
147 | ||
148 | // Make lowercase versions for comparisons | |
149 | // truncate to 1 char longer than any value in table | |
150 | char szNameLC[CCH_MAX_SERV+2]; | |
151 | strcpyLC(szNameLC, name, CCH_MAX_SERV+1); | |
152 | char szProtoLC[CCH_MAX_PROTO+2]; | |
153 | if (NULL != proto) | |
154 | strcpyLC(szProtoLC, proto, CCH_MAX_PROTO+1); | |
155 | ||
156 | while (NULL != ps->s_name) | |
157 | { | |
158 | if (!strcmp(szNameLC, ps->s_name)) | |
159 | { | |
160 | fFoundOnce = TRUE; | |
161 | if (NULL == proto || !strcmp(szProtoLC, ps->s_proto)) | |
162 | { | |
163 | ServEntReturn = *ps; | |
164 | ServEntReturn.s_port = htons(ps->s_port); | |
165 | return &ServEntReturn; | |
166 | } | |
167 | } | |
168 | else if (fFoundOnce) | |
169 | break; | |
170 | ++ps; | |
171 | } return NULL; | |
172 | } | |
173 | ||
174 | ||
175 | struct protoent * WINSOCKAPI getprotobynumber(int proto) | |
176 | { | |
177 | struct protoent *pr = &RgProtoEnt[0]; | |
178 | while (NULL != pr->p_name) | |
179 | { | |
180 | if (proto == pr->p_proto) | |
181 | return pr; | |
182 | ++pr; | |
183 | } return NULL; | |
184 | } |