5c58ad2d |
1 | /* |
2 | * Pageant client code. |
3 | */ |
4 | |
5 | #include <windows.h> |
6 | #include <stdio.h> |
7 | #include <stdlib.h> |
8 | |
dcbde236 |
9 | #include "puttymem.h" |
10 | |
d70f60ae |
11 | #define AGENT_COPYDATA_ID 0x804e50ba /* random goop */ |
12 | #define AGENT_MAX_MSGLEN 8192 |
13 | |
5c58ad2d |
14 | #ifdef TESTMODE |
15 | #define debug(x) (printf x) |
16 | #else |
17 | #define debug(x) |
18 | #endif |
19 | |
d70f60ae |
20 | #define GET_32BIT(cp) \ |
21 | (((unsigned long)(unsigned char)(cp)[0] << 24) | \ |
22 | ((unsigned long)(unsigned char)(cp)[1] << 16) | \ |
23 | ((unsigned long)(unsigned char)(cp)[2] << 8) | \ |
24 | ((unsigned long)(unsigned char)(cp)[3])) |
25 | |
32874aea |
26 | int agent_exists(void) |
27 | { |
5c58ad2d |
28 | HWND hwnd; |
29 | hwnd = FindWindow("Pageant", "Pageant"); |
30 | if (!hwnd) |
32874aea |
31 | return FALSE; |
5c58ad2d |
32 | else |
32874aea |
33 | return TRUE; |
5c58ad2d |
34 | } |
35 | |
32874aea |
36 | void agent_query(void *in, int inlen, void **out, int *outlen) |
37 | { |
5c58ad2d |
38 | HWND hwnd; |
39 | char mapname[64]; |
40 | HANDLE filemap; |
d70f60ae |
41 | unsigned char *p, *ret; |
5c58ad2d |
42 | int id, retlen; |
43 | COPYDATASTRUCT cds; |
44 | |
45 | *out = NULL; |
46 | *outlen = 0; |
47 | |
48 | hwnd = FindWindow("Pageant", "Pageant"); |
49 | debug(("hwnd is %p\n", hwnd)); |
50 | if (!hwnd) |
32874aea |
51 | return; |
2d466ffd |
52 | sprintf(mapname, "PageantRequest%08x", (unsigned)GetCurrentThreadId()); |
d70f60ae |
53 | filemap = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, |
32874aea |
54 | 0, AGENT_MAX_MSGLEN, mapname); |
d70f60ae |
55 | if (!filemap) |
32874aea |
56 | return; |
d70f60ae |
57 | p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); |
58 | memcpy(p, in, inlen); |
59 | cds.dwData = AGENT_COPYDATA_ID; |
32874aea |
60 | cds.cbData = 1 + strlen(mapname); |
d70f60ae |
61 | cds.lpData = mapname; |
32874aea |
62 | id = SendMessage(hwnd, WM_COPYDATA, (WPARAM) NULL, (LPARAM) & cds); |
5c58ad2d |
63 | debug(("return is %d\n", id)); |
64 | if (id > 0) { |
32874aea |
65 | retlen = 4 + GET_32BIT(p); |
66 | debug(("len is %d\n", retlen)); |
67 | ret = smalloc(retlen); |
68 | if (ret) { |
69 | memcpy(ret, p, retlen); |
70 | *out = ret; |
71 | *outlen = retlen; |
72 | } |
5c58ad2d |
73 | } |
d70f60ae |
74 | UnmapViewOfFile(p); |
75 | CloseHandle(filemap); |
5c58ad2d |
76 | } |
77 | |
78 | #ifdef TESTMODE |
79 | |
32874aea |
80 | int main(void) |
81 | { |
5c58ad2d |
82 | void *msg; |
83 | int len; |
84 | int i; |
85 | |
86 | agent_query("\0\0\0\1\1", 5, &msg, &len); |
87 | debug(("%d:", len)); |
88 | for (i = 0; i < len; i++) |
32874aea |
89 | debug((" %02x", ((unsigned char *) msg)[i])); |
5c58ad2d |
90 | debug(("\n")); |
91 | return 0; |
92 | } |
93 | |
94 | #endif |