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23c9e63c DD |
1 | /* |
2 | * Copyright (c) 2000, Red Hat, Inc. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * A copy of the GNU General Public License can be found at | |
10 | * http://www.gnu.org/ | |
11 | * | |
12 | * Written by DJ Delorie <dj@cygnus.com> | |
13 | * | |
14 | */ | |
15 | ||
16 | /* The purpose of this file is to ask the user where they want the | |
17 | root of the installation to be, and to ask whether the user prefers | |
18 | text or binary mounts. */ | |
19 | ||
8507f105 DD |
20 | static char *cvsid = "\n%%% $Id$\n"; |
21 | ||
23c9e63c DD |
22 | #include "win32.h" |
23 | #include <shlobj.h> | |
24 | #include <stdio.h> | |
25 | #include <stdlib.h> | |
26 | #include <ctype.h> | |
27 | ||
28 | #include "dialog.h" | |
29 | #include "resource.h" | |
30 | #include "state.h" | |
31 | #include "msg.h" | |
32 | #include "mount.h" | |
bf1d5889 | 33 | #include "concat.h" |
89b1a15b | 34 | #include "log.h" |
23c9e63c DD |
35 | |
36 | static int rb[] = { IDC_ROOT_TEXT, IDC_ROOT_BINARY, 0 }; | |
24e259bb | 37 | static int su[] = { IDC_ROOT_SYSTEM, IDC_ROOT_USER, 0 }; |
23c9e63c DD |
38 | |
39 | static void | |
40 | check_if_enable_next (HWND h) | |
41 | { | |
24e259bb | 42 | EnableWindow (GetDlgItem (h, IDOK), root_text && root_dir && root_scope); |
23c9e63c DD |
43 | } |
44 | ||
45 | static void | |
46 | load_dialog (HWND h) | |
47 | { | |
48 | rbset (h, rb, root_text); | |
24e259bb | 49 | rbset (h, su, root_scope); |
23c9e63c DD |
50 | eset (h, IDC_ROOT_DIR, root_dir); |
51 | check_if_enable_next (h); | |
52 | } | |
53 | ||
54 | static void | |
55 | save_dialog (HWND h) | |
56 | { | |
57 | root_text = rbget (h, rb); | |
24e259bb | 58 | root_scope = rbget (h, su); |
23c9e63c DD |
59 | root_dir = eget (h, IDC_ROOT_DIR, root_dir); |
60 | } | |
61 | ||
fee2a8d0 DD |
62 | /* |
63 | * is_admin () determines whether or not the current user is a member of the | |
64 | * Administrators group. On Windows 9X, the current user is considered an | |
65 | * Administrator by definition. | |
66 | */ | |
67 | ||
68 | static int | |
69 | is_admin () | |
70 | { | |
71 | // Windows 9X users are considered Administrators by definition | |
72 | OSVERSIONINFO verinfo; | |
73 | verinfo.dwOSVersionInfoSize = sizeof (verinfo); | |
74 | GetVersionEx (&verinfo); | |
75 | if (verinfo.dwPlatformId != VER_PLATFORM_WIN32_NT) | |
76 | return 1; | |
77 | ||
78 | // Get the process token for the current process | |
79 | HANDLE token; | |
80 | BOOL status = OpenProcessToken (GetCurrentProcess(), TOKEN_QUERY, &token); | |
81 | if (!status) | |
82 | return 0; | |
83 | ||
84 | // Get the group token information | |
85 | UCHAR token_info[1024]; | |
86 | PTOKEN_GROUPS groups = (PTOKEN_GROUPS) token_info; | |
87 | DWORD token_info_len = sizeof (token_info); | |
88 | status = GetTokenInformation (token, TokenGroups, token_info, token_info_len, &token_info_len); | |
89 | CloseHandle(token); | |
90 | if (!status) | |
91 | return 0; | |
92 | ||
93 | // Create the Administrators group SID | |
94 | PSID admin_sid; | |
95 | SID_IDENTIFIER_AUTHORITY authority = SECURITY_NT_AUTHORITY; | |
96 | status = AllocateAndInitializeSid (&authority, 2, SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &admin_sid); | |
97 | if (!status) | |
98 | return 0; | |
99 | ||
100 | // Check to see if the user is a member of the Administrators group | |
101 | status = 0; | |
102 | for (UINT i=0; i<groups->GroupCount; i++) { | |
103 | if (EqualSid(groups->Groups[i].Sid, admin_sid)) { | |
104 | status = 1; | |
105 | break; | |
106 | } | |
107 | } | |
108 | ||
109 | // Destroy the Administrators group SID | |
110 | FreeSid (admin_sid); | |
111 | ||
112 | // Return whether or not the user is a member of the Administrators group | |
113 | return status; | |
114 | } | |
115 | ||
23c9e63c DD |
116 | static void |
117 | read_mount_table () | |
118 | { | |
119 | int istext; | |
24e259bb DD |
120 | int issystem; |
121 | root_dir = find_root_mount (&istext, &issystem); | |
23c9e63c DD |
122 | if (root_dir) |
123 | { | |
124 | if (istext) | |
125 | root_text = IDC_ROOT_TEXT; | |
126 | else | |
127 | root_text = IDC_ROOT_BINARY; | |
24e259bb DD |
128 | if (issystem) |
129 | root_scope = IDC_ROOT_SYSTEM; | |
130 | else | |
131 | root_scope = IDC_ROOT_USER; | |
23c9e63c | 132 | } |
bf1d5889 DD |
133 | else |
134 | { | |
135 | char windir[_MAX_PATH]; | |
136 | GetWindowsDirectory (windir, sizeof (windir)); | |
137 | windir[2] = 0; | |
138 | root_dir = concat (windir, "\\cygwin", 0); | |
139 | root_text = IDC_ROOT_BINARY; | |
fee2a8d0 | 140 | root_scope = (is_admin()) ? IDC_ROOT_SYSTEM : IDC_ROOT_USER; |
bf1d5889 | 141 | } |
23c9e63c DD |
142 | } |
143 | ||
144 | static int CALLBACK | |
145 | browse_cb (HWND h, UINT msg, LPARAM lp, LPARAM data) | |
146 | { | |
147 | switch (msg) | |
148 | { | |
149 | case BFFM_INITIALIZED: | |
bf1d5889 DD |
150 | if (root_dir) |
151 | SendMessage (h, BFFM_SETSELECTION, TRUE, (LPARAM)root_dir); | |
23c9e63c DD |
152 | break; |
153 | } | |
154 | return 0; | |
155 | } | |
156 | ||
157 | static void | |
158 | browse (HWND h) | |
159 | { | |
160 | BROWSEINFO bi; | |
161 | CHAR name[MAX_PATH]; | |
162 | LPITEMIDLIST pidl; | |
163 | memset (&bi, 0, sizeof (bi)); | |
164 | bi.hwndOwner = h; | |
165 | bi.pszDisplayName = name; | |
166 | bi.lpszTitle = "Select an installation root directory"; | |
167 | bi.ulFlags = BIF_RETURNONLYFSDIRS; | |
168 | bi.lpfn = browse_cb; | |
169 | pidl = SHBrowseForFolder (&bi); | |
170 | if (pidl) | |
171 | { | |
172 | if (SHGetPathFromIDList (pidl, name)) | |
173 | eset (h, IDC_ROOT_DIR, name); | |
174 | } | |
175 | } | |
176 | ||
177 | #define isslash(c) ((c) == '\\' || (c) == '/') | |
178 | ||
179 | static int | |
180 | directory_is_absolute () | |
181 | { | |
182 | if (isalpha (root_dir[0]) | |
183 | && root_dir[1] == ':' | |
184 | && (root_dir[2] == '\\' || root_dir[2] == '/')) | |
185 | return 1; | |
186 | return 0; | |
187 | } | |
188 | ||
189 | static int | |
190 | directory_is_rootdir () | |
191 | { | |
192 | char *c; | |
193 | for (c = root_dir; *c; c++) | |
1fd6d0a2 | 194 | if (isslash (c[0]) && c[1] && !isslash (c[1])) |
23c9e63c DD |
195 | return 0; |
196 | return 1; | |
197 | } | |
198 | ||
199 | static int | |
200 | directory_has_spaces () | |
201 | { | |
202 | if (strchr (root_dir, ' ')) | |
203 | return 1; | |
204 | return 0; | |
205 | } | |
206 | ||
207 | static BOOL | |
208 | dialog_cmd (HWND h, int id, HWND hwndctl, UINT code) | |
209 | { | |
210 | switch (id) | |
211 | { | |
212 | ||
213 | case IDC_ROOT_DIR: | |
214 | case IDC_ROOT_TEXT: | |
215 | case IDC_ROOT_BINARY: | |
24e259bb DD |
216 | case IDC_ROOT_SYSTEM: |
217 | case IDC_ROOT_USER: | |
23c9e63c DD |
218 | save_dialog (h); |
219 | check_if_enable_next (h); | |
220 | break; | |
221 | ||
222 | case IDC_ROOT_BROWSE: | |
223 | browse (h); | |
224 | break; | |
225 | ||
226 | case IDOK: | |
1fd6d0a2 | 227 | save_dialog (h); |
23c9e63c DD |
228 | |
229 | if (! directory_is_absolute ()) | |
230 | { | |
231 | note (IDS_ROOT_ABSOLUTE); | |
232 | break; | |
233 | } | |
234 | ||
235 | if (directory_is_rootdir ()) | |
236 | if (IDNO == yesno (IDS_ROOT_SLASH)) | |
237 | break; | |
238 | ||
239 | if (directory_has_spaces ()) | |
240 | if (IDNO == yesno (IDS_ROOT_SPACE)) | |
241 | break; | |
242 | ||
243 | switch (source) | |
244 | { | |
245 | case IDC_SOURCE_NETINST: | |
1fd6d0a2 | 246 | NEXT (IDD_NET); |
23c9e63c DD |
247 | break; |
248 | case IDC_SOURCE_CWD: | |
1fd6d0a2 | 249 | NEXT (IDD_S_FROM_CWD); |
23c9e63c DD |
250 | break; |
251 | default: | |
1fd6d0a2 DD |
252 | msg ("source is default? %d\n", source); |
253 | NEXT (0); | |
23c9e63c DD |
254 | } |
255 | break; | |
256 | ||
257 | case IDC_BACK: | |
1fd6d0a2 | 258 | save_dialog (h); |
c92e1307 | 259 | NEXT (IDD_LOCAL_DIR); |
23c9e63c DD |
260 | break; |
261 | ||
262 | case IDCANCEL: | |
1fd6d0a2 | 263 | NEXT (0); |
23c9e63c DD |
264 | break; |
265 | } | |
266 | } | |
267 | ||
268 | static BOOL CALLBACK | |
269 | dialog_proc (HWND h, UINT message, WPARAM wParam, LPARAM lParam) | |
270 | { | |
271 | switch (message) | |
272 | { | |
273 | case WM_INITDIALOG: | |
1fd6d0a2 | 274 | load_dialog (h); |
23c9e63c DD |
275 | return FALSE; |
276 | case WM_COMMAND: | |
1fd6d0a2 | 277 | return HANDLE_WM_COMMAND (h, wParam, lParam, dialog_cmd); |
23c9e63c DD |
278 | } |
279 | return FALSE; | |
280 | } | |
281 | ||
282 | void | |
283 | do_root (HINSTANCE h) | |
284 | { | |
285 | int rv = 0; | |
286 | if (!root_dir) | |
1fd6d0a2 | 287 | read_mount_table (); |
23c9e63c DD |
288 | rv = DialogBox (h, MAKEINTRESOURCE (IDD_ROOT), 0, dialog_proc); |
289 | if (rv == -1) | |
290 | fatal (IDS_DIALOG_FAILED); | |
89b1a15b DD |
291 | |
292 | log (0, "root: %s %s %s", root_dir, | |
293 | (root_text == IDC_ROOT_TEXT) ? "text" : "binary", | |
294 | (root_scope == IDC_ROOT_USER) ? "user" : "system"); | |
23c9e63c DD |
295 | } |
296 |