summaryrefslogtreecommitdiff
path: root/src/lib/libssl/src/ms/uplink.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libssl/src/ms/uplink.c')
-rw-r--r--src/lib/libssl/src/ms/uplink.c117
1 files changed, 0 insertions, 117 deletions
diff --git a/src/lib/libssl/src/ms/uplink.c b/src/lib/libssl/src/ms/uplink.c
deleted file mode 100644
index 6d59cb1f87..0000000000
--- a/src/lib/libssl/src/ms/uplink.c
+++ /dev/null
@@ -1,117 +0,0 @@
1#if (defined(_WIN64) || defined(_WIN32_WCE)) && !defined(UNICODE)
2#define UNICODE
3#endif
4#if defined(UNICODE) && !defined(_UNICODE)
5#define _UNICODE
6#endif
7#if defined(_UNICODE) && !defined(UNICODE)
8#define UNICODE
9#endif
10
11#include <windows.h>
12#include <tchar.h>
13#include <stdio.h>
14#include "uplink.h"
15void OPENSSL_showfatal(const char *,...);
16
17static TCHAR msg[128];
18
19static void unimplemented (void)
20{ OPENSSL_showfatal (sizeof(TCHAR)==sizeof(char)?"%s\n":"%S\n",msg);
21 ExitProcess (1);
22}
23
24void OPENSSL_Uplink (volatile void **table, int index)
25{ static HMODULE volatile apphandle=NULL;
26 static void ** volatile applinktable=NULL;
27 int len;
28 void (*func)(void)=unimplemented;
29 HANDLE h;
30 void **p;
31
32 /* Note that the below code is not MT-safe in respect to msg
33 * buffer, but what's the worst thing that can happen? Error
34 * message might be misleading or corrupted. As error condition
35 * is fatal and should never be risen, I accept the risk... */
36 /* One can argue that I should have used InterlockedExchangePointer
37 * or something to update static variables and table[]. Well,
38 * store instructions are as atomic as they can get and assigned
39 * values are effectively constant... So that volatile qualifier
40 * should be sufficient [it prohibits compiler to reorder memory
41 * access instructions]. */
42 do {
43 len = _sntprintf (msg,sizeof(msg)/sizeof(TCHAR),
44 _T("OPENSSL_Uplink(%p,%02X): "),table,index);
45 _tcscpy (msg+len,_T("unimplemented function"));
46
47 if ((h=apphandle)==NULL)
48 { if ((h=GetModuleHandle(NULL))==NULL)
49 { apphandle=(HMODULE)-1;
50 _tcscpy (msg+len,_T("no host application"));
51 break;
52 }
53 apphandle = h;
54 }
55 if ((h=apphandle)==(HMODULE)-1) /* revalidate */
56 break;
57
58 if (applinktable==NULL)
59 { void**(*applink)();
60
61 applink=(void**(*)())GetProcAddress(h,"OPENSSL_Applink");
62 if (applink==NULL)
63 { apphandle=(HMODULE)-1;
64 _tcscpy (msg+len,_T("no OPENSSL_Applink"));
65 break;
66 }
67 p = (*applink)();
68 if (p==NULL)
69 { apphandle=(HMODULE)-1;
70 _tcscpy (msg+len,_T("no ApplinkTable"));
71 break;
72 }
73 applinktable = p;
74 }
75 else
76 p = applinktable;
77
78 if (index > (int)p[0])
79 break;
80
81 if (p[index]) func = p[index];
82 } while (0);
83
84 table[index] = func;
85}
86
87#if defined(_MSC_VER) && defined(_M_IX86) && !defined(OPENSSL_NO_INLINE_ASM)
88#define LAZY(i) \
89__declspec(naked) static void lazy##i (void) { \
90 _asm push i \
91 _asm push OFFSET OPENSSL_UplinkTable \
92 _asm call OPENSSL_Uplink \
93 _asm add esp,8 \
94 _asm jmp OPENSSL_UplinkTable+4*i }
95
96#if APPLINK_MAX>25
97#error "Add more stubs..."
98#endif
99/* make some in advance... */
100LAZY(1) LAZY(2) LAZY(3) LAZY(4) LAZY(5)
101LAZY(6) LAZY(7) LAZY(8) LAZY(9) LAZY(10)
102LAZY(11) LAZY(12) LAZY(13) LAZY(14) LAZY(15)
103LAZY(16) LAZY(17) LAZY(18) LAZY(19) LAZY(20)
104LAZY(21) LAZY(22) LAZY(23) LAZY(24) LAZY(25)
105void *OPENSSL_UplinkTable[] = {
106 (void *)APPLINK_MAX,
107 lazy1, lazy2, lazy3, lazy4, lazy5,
108 lazy6, lazy7, lazy8, lazy9, lazy10,
109 lazy11,lazy12,lazy13,lazy14,lazy15,
110 lazy16,lazy17,lazy18,lazy19,lazy20,
111 lazy21,lazy22,lazy23,lazy24,lazy25,
112};
113#endif
114
115#ifdef SELFTEST
116main() { UP_fprintf(UP_stdout,"hello, world!\n"); }
117#endif