Mercurial > vim
annotate src/dosinst.h @ 19431:9800e126eaa2 v8.2.0273
patch 8.2.0273: MS-Windows uninstall may delete wrong batch file
Commit: https://github.com/vim/vim/commit/1fa8d2c33d7290eda7dc2a94d4ec6a599a2d61dd
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Feb 17 22:53:14 2020 +0100
patch 8.2.0273: MS-Windows uninstall may delete wrong batch file
Problem: MS-Windows uninstall may delete wrong batch file.
Solution: Add specific marker in the generated batch file. (Ken Takata,
closes #5654)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Mon, 17 Feb 2020 23:00:04 +0100 |
| parents | 1e78bf92f168 |
| children | faf7fcd1c8d5 |
| rev | line source |
|---|---|
|
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 2 * |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 /* | |
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10 * dosinst.h: Common code for dosinst.c and uninstall.c |
| 7 | 11 */ |
| 714 | 12 |
| 7 | 13 #include <stdio.h> |
| 14 #include <stdlib.h> | |
| 15 #include <string.h> | |
| 16 #include <sys/stat.h> | |
| 17 #include <fcntl.h> | |
| 18 | |
| 19 #ifndef UNIX_LINT | |
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20 # include <io.h> |
| 7 | 21 # include <ctype.h> |
| 22 | |
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23 # include <direct.h> |
| 7 | 24 |
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25 # include <windows.h> |
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26 # include <shlobj.h> |
| 7 | 27 #endif |
| 28 | |
| 29 #ifdef UNIX_LINT | |
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30 // Running lint on Unix: Some things are missing. |
| 7 | 31 char *searchpath(char *name); |
| 32 #endif | |
| 33 | |
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34 #if defined(UNIX_LINT) |
| 7 | 35 # include <unistd.h> |
| 36 # include <errno.h> | |
| 37 #endif | |
| 38 | |
| 39 #include "version.h" | |
| 40 | |
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41 #if defined(UNIX_LINT) |
| 7 | 42 # define vim_mkdir(x, y) mkdir((char *)(x), y) |
| 43 #else | |
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44 # define vim_mkdir(x, y) _mkdir((char *)(x)) |
| 7 | 45 #endif |
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46 |
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47 #define sleep(n) Sleep((n) * 1000) |
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48 |
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49 // ---------------------------------------- |
| 7 | 50 |
| 51 | |
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52 #define BUFSIZE (MAX_PATH*2) // long enough to hold a file name path |
| 7 | 53 #define NUL 0 |
| 54 | |
| 55 #define FAIL 0 | |
| 56 #define OK 1 | |
| 57 | |
| 58 #ifndef FALSE | |
| 59 # define FALSE 0 | |
| 60 #endif | |
| 61 #ifndef TRUE | |
| 62 # define TRUE 1 | |
| 63 #endif | |
| 64 | |
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65 /* |
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66 * Modern way of creating registry entries, also works on 64 bit windows when |
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67 * compiled as a 32 bit program. |
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68 */ |
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69 # ifndef KEY_WOW64_64KEY |
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70 # define KEY_WOW64_64KEY 0x0100 |
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71 # endif |
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72 # ifndef KEY_WOW64_32KEY |
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73 # define KEY_WOW64_32KEY 0x0200 |
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74 # endif |
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75 |
| 7 | 76 #define VIM_STARTMENU "Programs\\Vim " VIM_VERSION_SHORT |
| 77 | |
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78 int interactive; // non-zero when running interactively |
| 7 | 79 |
| 80 /* | |
| 81 * Call malloc() and exit when out of memory. | |
| 82 */ | |
| 83 static void * | |
| 84 alloc(int len) | |
| 85 { | |
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86 void *p; |
| 7 | 87 |
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88 p = malloc(len); |
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89 if (p == NULL) |
| 7 | 90 { |
| 91 printf("ERROR: out of memory\n"); | |
| 92 exit(1); | |
| 93 } | |
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94 return p; |
| 7 | 95 } |
| 96 | |
| 97 /* | |
| 98 * The toupper() in Bcc 5.5 doesn't work, use our own implementation. | |
| 99 */ | |
| 100 static int | |
| 101 mytoupper(int c) | |
| 102 { | |
| 103 if (c >= 'a' && c <= 'z') | |
| 104 return c - 'a' + 'A'; | |
| 105 return c; | |
| 106 } | |
| 107 | |
| 108 static void | |
| 109 myexit(int n) | |
| 110 { | |
| 111 if (!interactive) | |
| 112 { | |
|
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113 // Present a prompt, otherwise error messages can't be read. |
| 7 | 114 printf("Press Enter to continue\n"); |
| 115 rewind(stdin); | |
| 116 (void)getchar(); | |
| 117 } | |
| 118 exit(n); | |
| 119 } | |
| 120 | |
| 121 | |
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122 typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS)(HANDLE, PBOOL); |
| 7 | 123 /* |
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124 * Check if this is a 64-bit OS. |
| 7 | 125 */ |
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126 static BOOL |
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127 is_64bit_os(void) |
| 7 | 128 { |
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129 #ifdef _WIN64 |
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130 return TRUE; |
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131 #else |
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132 BOOL bIsWow64 = FALSE; |
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133 LPFN_ISWOW64PROCESS pIsWow64Process; |
| 7 | 134 |
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135 pIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress( |
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136 GetModuleHandle("kernel32"), "IsWow64Process"); |
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137 if (pIsWow64Process != NULL) |
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138 pIsWow64Process(GetCurrentProcess(), &bIsWow64); |
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139 return bIsWow64; |
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140 #endif |
| 7 | 141 } |
| 142 | |
| 143 static char * | |
| 144 searchpath(char *name) | |
| 145 { | |
| 146 static char widename[2 * BUFSIZE]; | |
| 147 static char location[2 * BUFSIZE + 2]; | |
| 148 | |
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149 // There appears to be a bug in FindExecutableA() on Windows NT. |
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150 // Use FindExecutableW() instead... |
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151 MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)name, -1, |
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152 (LPWSTR)widename, BUFSIZE); |
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153 if (FindExecutableW((LPCWSTR)widename, (LPCWSTR)"", |
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154 (LPWSTR)location) > (HINSTANCE)32) |
| 7 | 155 { |
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156 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)location, -1, |
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157 (LPSTR)widename, 2 * BUFSIZE, NULL, NULL); |
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158 return widename; |
| 7 | 159 } |
| 160 return NULL; | |
| 161 } | |
| 162 | |
| 163 /* | |
| 164 * Call searchpath() and save the result in allocated memory, or return NULL. | |
| 165 */ | |
| 166 static char * | |
| 167 searchpath_save(char *name) | |
| 168 { | |
| 169 char *p; | |
| 170 char *s; | |
| 171 | |
| 172 p = searchpath(name); | |
| 173 if (p == NULL) | |
| 174 return NULL; | |
| 175 s = alloc(strlen(p) + 1); | |
| 176 strcpy(s, p); | |
| 177 return s; | |
| 178 } | |
| 179 | |
| 826 | 180 |
| 181 #ifndef CSIDL_COMMON_PROGRAMS | |
| 182 # define CSIDL_COMMON_PROGRAMS 0x0017 | |
| 183 #endif | |
| 184 #ifndef CSIDL_COMMON_DESKTOPDIRECTORY | |
| 185 # define CSIDL_COMMON_DESKTOPDIRECTORY 0x0019 | |
| 186 #endif | |
| 187 | |
| 7 | 188 /* |
| 189 * Get the path to a requested Windows shell folder. | |
| 190 * | |
| 191 * Return FAIL on error, OK on success | |
| 192 */ | |
| 193 int | |
| 194 get_shell_folder_path( | |
| 195 char *shell_folder_path, | |
| 196 const char *shell_folder_name) | |
| 197 { | |
| 198 /* | |
| 199 * The following code was successfully built with make_mvc.mak. | |
| 200 * The resulting executable worked on Windows 95, Millennium Edition, and | |
| 201 * 2000 Professional. But it was changed after testing... | |
| 202 */ | |
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203 LPITEMIDLIST pidl = 0; // Pointer to an Item ID list allocated below |
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204 LPMALLOC pMalloc; // Pointer to an IMalloc interface |
| 7 | 205 int csidl; |
| 206 int alt_csidl = -1; | |
| 207 static int desktop_csidl = -1; | |
| 208 static int programs_csidl = -1; | |
| 209 int *pcsidl; | |
| 210 int r; | |
| 211 | |
| 212 if (strcmp(shell_folder_name, "desktop") == 0) | |
| 213 { | |
| 214 pcsidl = &desktop_csidl; | |
| 215 csidl = CSIDL_COMMON_DESKTOPDIRECTORY; | |
| 216 alt_csidl = CSIDL_DESKTOP; | |
| 217 } | |
| 218 else if (strncmp(shell_folder_name, "Programs", 8) == 0) | |
| 219 { | |
| 220 pcsidl = &programs_csidl; | |
| 221 csidl = CSIDL_COMMON_PROGRAMS; | |
| 222 alt_csidl = CSIDL_PROGRAMS; | |
| 223 } | |
| 224 else | |
| 225 { | |
| 226 printf("\nERROR (internal) unrecognised shell_folder_name: \"%s\"\n\n", | |
| 227 shell_folder_name); | |
| 228 return FAIL; | |
| 229 } | |
| 230 | |
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231 // Did this stuff before, use the same ID again. |
| 7 | 232 if (*pcsidl >= 0) |
| 233 { | |
| 234 csidl = *pcsidl; | |
| 235 alt_csidl = -1; | |
| 236 } | |
| 237 | |
| 238 retry: | |
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239 // Initialize pointer to IMalloc interface |
| 7 | 240 if (NOERROR != SHGetMalloc(&pMalloc)) |
| 241 { | |
| 242 printf("\nERROR getting interface for shell_folder_name: \"%s\"\n\n", | |
| 243 shell_folder_name); | |
| 244 return FAIL; | |
| 245 } | |
| 246 | |
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247 // Get an ITEMIDLIST corresponding to the folder code |
| 7 | 248 if (NOERROR != SHGetSpecialFolderLocation(0, csidl, &pidl)) |
| 249 { | |
| 250 if (alt_csidl < 0 || NOERROR != SHGetSpecialFolderLocation(0, | |
| 251 alt_csidl, &pidl)) | |
| 252 { | |
| 253 printf("\nERROR getting ITEMIDLIST for shell_folder_name: \"%s\"\n\n", | |
| 254 shell_folder_name); | |
| 255 return FAIL; | |
| 256 } | |
| 257 csidl = alt_csidl; | |
| 258 alt_csidl = -1; | |
| 259 } | |
| 260 | |
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261 // Translate that ITEMIDLIST to a string |
| 7 | 262 r = SHGetPathFromIDList(pidl, shell_folder_path); |
| 263 | |
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264 // Free the data associated with pidl |
| 7 | 265 pMalloc->lpVtbl->Free(pMalloc, pidl); |
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266 // Release the IMalloc interface |
| 7 | 267 pMalloc->lpVtbl->Release(pMalloc); |
| 268 | |
| 269 if (!r) | |
| 270 { | |
| 271 if (alt_csidl >= 0) | |
| 272 { | |
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273 // We probably get here for Windows 95: the "all users" |
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274 // desktop/start menu entry doesn't exist. |
| 7 | 275 csidl = alt_csidl; |
| 276 alt_csidl = -1; | |
| 277 goto retry; | |
| 278 } | |
| 279 printf("\nERROR translating ITEMIDLIST for shell_folder_name: \"%s\"\n\n", | |
| 280 shell_folder_name); | |
| 281 return FAIL; | |
| 282 } | |
| 283 | |
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284 // If there is an alternative: verify we can write in this directory. |
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285 // This should cause a retry when the "all users" directory exists but we |
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286 // are a normal user and can't write there. |
| 7 | 287 if (alt_csidl >= 0) |
| 288 { | |
| 289 char tbuf[BUFSIZE]; | |
| 290 FILE *fd; | |
| 291 | |
| 292 strcpy(tbuf, shell_folder_path); | |
| 293 strcat(tbuf, "\\vim write test"); | |
| 294 fd = fopen(tbuf, "w"); | |
| 295 if (fd == NULL) | |
| 296 { | |
| 297 csidl = alt_csidl; | |
| 298 alt_csidl = -1; | |
| 299 goto retry; | |
| 300 } | |
| 301 fclose(fd); | |
| 302 unlink(tbuf); | |
| 303 } | |
| 304 | |
| 305 /* | |
| 306 * Keep the found csidl for next time, so that we don't have to do the | |
| 307 * write test every time. | |
| 308 */ | |
| 309 if (*pcsidl < 0) | |
| 310 *pcsidl = csidl; | |
| 311 | |
| 312 if (strncmp(shell_folder_name, "Programs\\", 9) == 0) | |
| 313 strcat(shell_folder_path, shell_folder_name + 8); | |
| 314 | |
| 315 return OK; | |
| 316 } | |
| 317 | |
| 318 /* | |
| 319 * List of targets. The first one (index zero) is used for the default path | |
| 320 * for the batch files. | |
| 321 */ | |
| 782 | 322 #define TARGET_COUNT 9 |
| 7 | 323 |
| 324 struct | |
| 325 { | |
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326 char *name; // Vim exe name (without .exe) |
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327 char *batname; // batch file name |
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328 char *lnkname; // shortcut file name |
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329 char *exename; // exe file name |
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330 char *exenamearg; // exe file name when using exearg |
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331 char *exearg; // argument for vim.exe or gvim.exe |
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332 char *oldbat; // path to existing xxx.bat or NULL |
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333 char *oldexe; // path to existing xxx.exe or NULL |
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334 char batpath[BUFSIZE]; // path of batch file to create; not |
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335 // created when it's empty |
| 7 | 336 } targets[TARGET_COUNT] = |
| 337 { | |
| 338 {"all", "batch files"}, | |
| 339 {"vim", "vim.bat", "Vim.lnk", | |
| 340 "vim.exe", "vim.exe", ""}, | |
| 341 {"gvim", "gvim.bat", "gVim.lnk", | |
| 342 "gvim.exe", "gvim.exe", ""}, | |
| 343 {"evim", "evim.bat", "gVim Easy.lnk", | |
| 344 "evim.exe", "gvim.exe", "-y"}, | |
| 345 {"view", "view.bat", "Vim Read-only.lnk", | |
| 346 "view.exe", "vim.exe", "-R"}, | |
| 347 {"gview", "gview.bat", "gVim Read-only.lnk", | |
| 348 "gview.exe", "gvim.exe", "-R"}, | |
| 349 {"vimdiff", "vimdiff.bat", "Vim Diff.lnk", | |
| 350 "vimdiff.exe","vim.exe", "-d"}, | |
| 351 {"gvimdiff","gvimdiff.bat", "gVim Diff.lnk", | |
| 352 "gvimdiff.exe","gvim.exe", "-d"}, | |
| 782 | 353 {"vimtutor","vimtutor.bat", "Vim tutor.lnk", |
| 354 "vimtutor.bat", "vimtutor.bat", ""}, | |
| 7 | 355 }; |
| 356 | |
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357 /* Uninstall key for vim.bat, etc. */ |
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358 #define VIMBAT_UNINSTKEY "rem # uninstall key: " VIM_VERSION_NODOT " #" |
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359 |
| 7 | 360 #define ICON_COUNT 3 |
| 361 char *(icon_names[ICON_COUNT]) = | |
| 362 {"gVim " VIM_VERSION_SHORT, | |
| 363 "gVim Easy " VIM_VERSION_SHORT, | |
| 364 "gVim Read only " VIM_VERSION_SHORT}; | |
| 365 char *(icon_link_names[ICON_COUNT]) = | |
| 366 {"gVim " VIM_VERSION_SHORT ".lnk", | |
| 367 "gVim Easy " VIM_VERSION_SHORT ".lnk", | |
| 368 "gVim Read only " VIM_VERSION_SHORT ".lnk"}; | |
| 369 | |
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370 /* This is only used for dosinst.c. */ |
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371 #if defined(DOSINST) |
| 7 | 372 /* |
| 373 * Run an external command and wait for it to finish. | |
| 374 */ | |
| 375 static void | |
| 376 run_command(char *cmd) | |
| 377 { | |
| 378 char *cmd_path; | |
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379 char cmd_buf[BUFSIZE * 2 + 35]; |
| 7 | 380 char *p; |
| 381 | |
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382 // On WinNT, 'start' is a shell built-in for cmd.exe rather than an |
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383 // executable (start.exe) like in Win9x. |
| 7 | 384 cmd_path = searchpath_save("cmd.exe"); |
| 385 if (cmd_path != NULL) | |
| 386 { | |
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387 // There is a cmd.exe, so this might be Windows NT. If it is, |
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388 // we need to call cmd.exe explicitly. If it is a later OS, |
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389 // calling cmd.exe won't hurt if it is present. |
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390 // Also, "start" on NT expects a window title argument. |
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391 // Replace the slashes with backslashes. |
| 7 | 392 while ((p = strchr(cmd_path, '/')) != NULL) |
| 393 *p = '\\'; | |
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394 sprintf(cmd_buf, "%s /c start \"vimcmd\" /wait %s", cmd_path, cmd); |
| 7 | 395 free(cmd_path); |
| 396 } | |
| 397 else | |
| 398 { | |
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399 // No cmd.exe, just make the call and let the system handle it. |
| 7 | 400 sprintf(cmd_buf, "start /w %s", cmd); |
| 401 } | |
| 402 system(cmd_buf); | |
| 403 } | |
| 404 #endif | |
| 405 | |
| 406 /* | |
| 407 * Append a backslash to "name" if there isn't one yet. | |
| 408 */ | |
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409 void |
| 7 | 410 add_pathsep(char *name) |
| 411 { | |
| 412 int len = strlen(name); | |
| 413 | |
| 414 if (len > 0 && name[len - 1] != '\\' && name[len - 1] != '/') | |
| 415 strcat(name, "\\"); | |
| 416 } | |
| 417 | |
| 418 /* | |
| 419 * The normal chdir() does not change the default drive. This one does. | |
| 420 */ | |
| 421 int | |
| 422 change_drive(int drive) | |
| 423 { | |
| 424 char temp[3] = "-:"; | |
| 425 temp[0] = (char)(drive + 'A' - 1); | |
| 426 return !SetCurrentDirectory(temp); | |
| 427 } | |
| 428 | |
| 429 /* | |
| 430 * Change directory to "path". | |
| 431 * Return 0 for success, -1 for failure. | |
| 432 */ | |
| 433 int | |
| 434 mch_chdir(char *path) | |
| 435 { | |
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436 if (path[0] == NUL) // just checking... |
| 7 | 437 return 0; |
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438 if (path[1] == ':') // has a drive name |
| 7 | 439 { |
| 440 if (change_drive(mytoupper(path[0]) - 'A' + 1)) | |
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441 return -1; // invalid drive name |
| 7 | 442 path += 2; |
| 443 } | |
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444 if (*path == NUL) // drive name only |
| 7 | 445 return 0; |
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446 return chdir(path); // let the normal chdir() do the rest |
| 7 | 447 } |
| 448 | |
| 449 /* | |
| 450 * Expand the executable name into a full path name. | |
| 451 */ | |
| 452 static char * | |
| 453 my_fullpath(char *buf, char *fname, int len) | |
| 454 { | |
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455 // Only GetModuleFileName() will get the long file name path. |
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456 // GetFullPathName() may still use the short (FAT) name. |
| 7 | 457 DWORD len_read = GetModuleFileName(NULL, buf, (size_t)len); |
| 458 | |
| 459 return (len_read > 0 && len_read < (DWORD)len) ? buf : NULL; | |
| 460 } | |
| 461 | |
| 462 /* | |
| 463 * Remove the tail from a file or directory name. | |
| 464 * Puts a NUL on the last '/' or '\'. | |
| 465 */ | |
| 466 static void | |
| 467 remove_tail(char *path) | |
| 468 { | |
| 469 int i; | |
| 470 | |
| 471 for (i = strlen(path) - 1; i > 0; --i) | |
| 472 if (path[i] == '/' || path[i] == '\\') | |
| 473 { | |
| 474 path[i] = NUL; | |
| 475 break; | |
| 476 } | |
| 477 } | |
| 478 | |
| 479 | |
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480 char installdir[MAX_PATH-9]; // top of the installation dir, where the |
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481 // install.exe is located, E.g.: |
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482 // "c:\vim\vim60" |
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483 int runtimeidx; // index in installdir[] where "vim60" starts |
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484 char *sysdrive; // system drive or "c:\" |
| 7 | 485 |
| 486 /* | |
| 487 * Setup for using this program. | |
| 488 * Sets "installdir[]". | |
| 489 */ | |
| 490 static void | |
| 491 do_inits(char **argv) | |
| 492 { | |
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493 // Find out the full path of our executable. |
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494 if (my_fullpath(installdir, argv[0], sizeof(installdir)) == NULL) |
| 7 | 495 { |
| 496 printf("ERROR: Cannot get name of executable\n"); | |
| 497 myexit(1); | |
| 498 } | |
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499 // remove the tail, the executable name "install.exe" |
| 7 | 500 remove_tail(installdir); |
| 501 | |
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502 // change to the installdir |
| 7 | 503 mch_chdir(installdir); |
| 504 | |
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505 // Find the system drive. Only used for searching the Vim executable, not |
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506 // very important. |
| 7 | 507 sysdrive = getenv("SYSTEMDRIVE"); |
| 508 if (sysdrive == NULL || *sysdrive == NUL) | |
| 509 sysdrive = "C:\\"; | |
| 510 } |