Mercurial > vim
view src/uninstall.c @ 20593:89b0f161e6a6 v8.2.0850
patch 8.2.0850: MS-Windows: exepath() works different from cmd.exe
Commit: https://github.com/vim/vim/commit/95da136142628e06425f9d9eb2d1ca56a9e48feb
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat May 30 18:37:55 2020 +0200
patch 8.2.0850: MS-Windows: exepath() works different from cmd.exe
Problem: MS-Windows: exepath() works different from cmd.exe.
Solution: Make exepath() work better on MS-Windows. (closes https://github.com/vim/vim/issues/6115)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 30 May 2020 18:45:04 +0200 |
parents | 9800e126eaa2 |
children | 50555279168b |
line wrap: on
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/* vi:set ts=8 sts=4 sw=4 noet: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * uninstall.c: Minimalistic uninstall program for Vim on MS-Windows * Removes: * - the "Edit with Vim" popup menu entry * - the Vim "Open With..." popup menu entry * - any Vim Batch files in the path * - icons for Vim on the Desktop * - the Vim entry in the Start Menu */ // Include common code for dosinst.c and uninstall.c. #include "dosinst.h" /* * Return TRUE if the user types a 'y' or 'Y', FALSE otherwise. */ static int confirm(void) { char answer[10]; fflush(stdout); return (scanf(" %c", answer) == 1 && toupper(answer[0]) == 'Y'); } static int reg_delete_key(HKEY hRootKey, const char *key, DWORD flag) { static int did_load = FALSE; static HANDLE advapi_lib = NULL; static LONG (WINAPI *delete_key_ex)(HKEY, LPCTSTR, REGSAM, DWORD) = NULL; if (!did_load) { // The RegDeleteKeyEx() function is only available on new systems. It // is required for 64-bit registry access. For other systems fall // back to RegDeleteKey(). did_load = TRUE; advapi_lib = LoadLibrary("ADVAPI32.DLL"); if (advapi_lib != NULL) delete_key_ex = (LONG (WINAPI *)(HKEY, LPCTSTR, REGSAM, DWORD))GetProcAddress(advapi_lib, "RegDeleteKeyExA"); } if (delete_key_ex != NULL) { return (*delete_key_ex)(hRootKey, key, flag, 0); } return RegDeleteKey(hRootKey, key); } /* * Check if the popup menu entry exists and what gvim it refers to. * Returns non-zero when it's found. */ static int popup_gvim_path(char *buf, DWORD bufsize) { HKEY key_handle; DWORD value_type; int r; // Open the key where the path to gvim.exe is stored. if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, KEY_WOW64_64KEY | KEY_READ, &key_handle) != ERROR_SUCCESS) if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, KEY_WOW64_32KEY | KEY_READ, &key_handle) != ERROR_SUCCESS) return 0; // get the DisplayName out of it to show the user r = RegQueryValueEx(key_handle, "path", 0, &value_type, (LPBYTE)buf, &bufsize); RegCloseKey(key_handle); return (r == ERROR_SUCCESS); } /* * Check if the "Open With..." menu entry exists and what gvim it refers to. * Returns non-zero when it's found. */ static int openwith_gvim_path(char *buf, DWORD bufsize) { HKEY key_handle; DWORD value_type; int r; // Open the key where the path to gvim.exe is stored. if (RegOpenKeyEx(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell\\edit\\command", 0, KEY_WOW64_64KEY | KEY_READ, &key_handle) != ERROR_SUCCESS) return 0; // get the DisplayName out of it to show the user r = RegQueryValueEx(key_handle, "", 0, &value_type, (LPBYTE)buf, &bufsize); RegCloseKey(key_handle); return (r == ERROR_SUCCESS); } static void remove_popup(void) { int fail = 0; int i; int loop = is_64bit_os() ? 2 : 1; int maxfail = loop * 6; DWORD flag; HKEY kh; for (i = 0; i < loop; i++) { if (i == 0) flag = KEY_WOW64_32KEY; else flag = KEY_WOW64_64KEY; if (reg_delete_key(HKEY_CLASSES_ROOT, "CLSID\\{51EEE242-AD87-11d3-9C1E-0090278BBD99}\\InProcServer32", flag) != ERROR_SUCCESS) ++fail; if (reg_delete_key(HKEY_CLASSES_ROOT, "CLSID\\{51EEE242-AD87-11d3-9C1E-0090278BBD99}", flag) != ERROR_SUCCESS) ++fail; if (reg_delete_key(HKEY_CLASSES_ROOT, "*\\shellex\\ContextMenuHandlers\\gvim", flag) != ERROR_SUCCESS) ++fail; if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Shell Extensions\\Approved", 0, flag | KEY_ALL_ACCESS, &kh) != ERROR_SUCCESS) ++fail; else { if (RegDeleteValue(kh, "{51EEE242-AD87-11d3-9C1E-0090278BBD99}") != ERROR_SUCCESS) ++fail; RegCloseKey(kh); } if (reg_delete_key(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", flag) != ERROR_SUCCESS) ++fail; if (reg_delete_key(HKEY_LOCAL_MACHINE, "Software\\Vim", flag) != ERROR_SUCCESS) ++fail; } if (fail == maxfail) printf("No Vim popup registry entries could be removed\n"); else if (fail > 0) printf("Some Vim popup registry entries could not be removed\n"); else printf("The Vim popup registry entries have been removed\n"); } static void remove_openwith(void) { int fail = 0; int i; int loop = is_64bit_os() ? 2 : 1; int maxfail = loop * 7; DWORD flag; for (i = 0; i < loop; i++) { if (i == 0) flag = KEY_WOW64_32KEY; else flag = KEY_WOW64_64KEY; if (reg_delete_key(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell\\edit\\command", flag) != ERROR_SUCCESS) ++fail; if (reg_delete_key(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell\\edit", flag) != ERROR_SUCCESS) ++fail; if (reg_delete_key(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell", flag) != ERROR_SUCCESS) ++fail; if (reg_delete_key(HKEY_CLASSES_ROOT, "Applications\\gvim.exe", flag) != ERROR_SUCCESS) ++fail; if (reg_delete_key(HKEY_CLASSES_ROOT, ".htm\\OpenWithList\\gvim.exe", flag) != ERROR_SUCCESS) ++fail; if (reg_delete_key(HKEY_CLASSES_ROOT, ".vim\\OpenWithList\\gvim.exe", flag) != ERROR_SUCCESS) ++fail; if (reg_delete_key(HKEY_CLASSES_ROOT, "*\\OpenWithList\\gvim.exe", flag) != ERROR_SUCCESS) ++fail; } if (fail == maxfail) printf("No Vim open-with registry entries could be removed\n"); else if (fail > 0) printf("Some Vim open-with registry entries could not be removed\n"); else printf("The Vim open-with registry entries have been removed\n"); } /* * Check if a batch file is really for the current version. Don't delete a * batch file that was written for another (possibly newer) version. */ static int batfile_thisversion(char *path) { FILE *fd; char line[BUFSIZE]; int key_len = strlen(VIMBAT_UNINSTKEY); int found = FALSE; fd = fopen(path, "r"); if (fd != NULL) { while (fgets(line, sizeof(line), fd) != NULL) { if (strncmp(line, VIMBAT_UNINSTKEY, key_len) == 0) { found = TRUE; break; } } fclose(fd); } return found; } static int remove_batfiles(int doit) { char *batfile_path; int i; int found = 0; // avoid looking in the "installdir" by chdir to system root mch_chdir(sysdrive); mch_chdir("\\"); for (i = 1; i < TARGET_COUNT; ++i) { batfile_path = searchpath_save(targets[i].batname); if (batfile_path != NULL && batfile_thisversion(batfile_path)) { ++found; if (doit) { printf("removing %s\n", batfile_path); remove(batfile_path); } else printf(" - the batch file %s\n", batfile_path); free(batfile_path); } } mch_chdir(installdir); return found; } static void remove_if_exists(char *path, char *filename) { char buf[BUFSIZE]; FILE *fd; sprintf(buf, "%s\\%s", path, filename); fd = fopen(buf, "r"); if (fd != NULL) { fclose(fd); printf("removing %s\n", buf); remove(buf); } } static void remove_icons(void) { char path[BUFSIZE]; int i; if (get_shell_folder_path(path, "desktop")) for (i = 0; i < ICON_COUNT; ++i) remove_if_exists(path, icon_link_names[i]); } static void remove_start_menu(void) { char path[BUFSIZE]; int i; struct stat st; if (get_shell_folder_path(path, VIM_STARTMENU)) { for (i = 1; i < TARGET_COUNT; ++i) remove_if_exists(path, targets[i].lnkname); remove_if_exists(path, "uninstall.lnk"); remove_if_exists(path, "Help.lnk"); // Win95 uses .pif, WinNT uses .lnk remove_if_exists(path, "Vim tutor.pif"); remove_if_exists(path, "Vim tutor.lnk"); remove_if_exists(path, "Vim online.url"); if (stat(path, &st) == 0) { printf("removing %s\n", path); rmdir(path); } } } static void delete_uninstall_key(void) { reg_delete_key(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Vim " VIM_VERSION_SHORT, KEY_WOW64_64KEY); } int main(int argc, char *argv[]) { int found = 0; FILE *fd; int i; struct stat st; char icon[BUFSIZE]; char path[MAX_PATH]; char popup_path[MAX_PATH]; // The nsis uninstaller calls us with a "-nsis" argument. if (argc == 2 && stricmp(argv[1], "-nsis") == 0) interactive = FALSE; else interactive = TRUE; // Initialize this program. do_inits(argv); printf("This program will remove the following items:\n"); if (popup_gvim_path(popup_path, sizeof(popup_path))) { printf(" - the \"Edit with Vim\" entry in the popup menu\n"); printf(" which uses \"%s\"\n", popup_path); if (interactive) printf("\nRemove it (y/n)? "); if (!interactive || confirm()) { remove_popup(); // Assume the "Open With" entry can be removed as well, don't // bother the user with asking him again. remove_openwith(); } } else if (openwith_gvim_path(popup_path, sizeof(popup_path))) { printf(" - the Vim \"Open With...\" entry in the popup menu\n"); printf(" which uses \"%s\"\n", popup_path); printf("\nRemove it (y/n)? "); if (confirm()) remove_openwith(); } if (get_shell_folder_path(path, "desktop")) { printf("\n"); for (i = 0; i < ICON_COUNT; ++i) { sprintf(icon, "%s\\%s", path, icon_link_names[i]); if (stat(icon, &st) == 0) { printf(" - the \"%s\" icon on the desktop\n", icon_names[i]); ++found; } } if (found > 0) { if (interactive) printf("\nRemove %s (y/n)? ", found > 1 ? "them" : "it"); if (!interactive || confirm()) remove_icons(); } } if (get_shell_folder_path(path, VIM_STARTMENU) && stat(path, &st) == 0) { printf("\n - the \"%s\" entry in the Start Menu\n", VIM_STARTMENU); if (interactive) printf("\nRemove it (y/n)? "); if (!interactive || confirm()) remove_start_menu(); } printf("\n"); found = remove_batfiles(0); if (found > 0) { if (interactive) printf("\nRemove %s (y/n)? ", found > 1 ? "them" : "it"); if (!interactive || confirm()) remove_batfiles(1); } fd = fopen("gvim.exe", "r"); if (fd != NULL) { fclose(fd); printf("gvim.exe detected. Attempting to unregister gvim with OLE\n"); system("gvim.exe -silent -unregister"); } delete_uninstall_key(); if (interactive) { printf("\nYou may now want to delete the Vim executables and runtime files.\n"); printf("(They are still where you unpacked them.)\n"); } if (interactive) { rewind(stdin); printf("\nPress Enter to exit..."); (void)getchar(); } else sleep(3); return 0; }