diff options
Diffstat (limited to 'winsup/utils/passwd.c')
| -rw-r--r-- | winsup/utils/passwd.c | 50 |
1 files changed, 35 insertions, 15 deletions
diff --git a/winsup/utils/passwd.c b/winsup/utils/passwd.c index a6b3fe10f..48fa75b2c 100644 --- a/winsup/utils/passwd.c +++ b/winsup/utils/passwd.c @@ -10,21 +10,23 @@ This software is a copyrighted work licensed under the terms of the Cygwin license. Please consult the file "CYGWIN_LICENSE" for details. */ +#include <windows.h> +#include <wininet.h> +#include <lmaccess.h> +#include <lmerr.h> +#include <lmcons.h> +#include <lmapibuf.h> + #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <getopt.h> #include <pwd.h> +#include <sys/cygwin.h> #include <sys/types.h> #include <time.h> -#include <windows.h> -#include <lmaccess.h> -#include <lmerr.h> -#include <lmcons.h> -#include <lmapibuf.h> - #define USER_PRIV_ADMIN 2 #define UF_LOCKOUT 0x00010 @@ -102,13 +104,31 @@ EvalRet (int ret, const char *user) } PUSER_INFO_3 -GetPW (const char *user) +GetPW (char *user, int print_win_name) { - WCHAR name[512]; + char usr_buf[UNLEN + 1]; + WCHAR name[2 * (UNLEN + 1)]; DWORD ret; PUSER_INFO_3 ui; - - MultiByteToWideChar (CP_ACP, 0, user, -1, name, 512); + struct passwd *pw; + char *domain = (char *) alloca (INTERNET_MAX_HOST_NAME_LENGTH + 1); + + /* Try getting a Win32 username in case the user edited /etc/passwd */ + if ((pw = getpwnam (user))) + { + cygwin_internal (CW_EXTRACT_DOMAIN_AND_USER, pw, domain, usr_buf); + if (strcasecmp (pw->pw_name, usr_buf)) + { + /* Hack to avoid problem with LookupAccountSid after impersonation */ + if (strcasecmp (usr_buf, "SYSTEM")) + { + user = usr_buf; + if (print_win_name) + printf ("Windows username : %s\n", user); + } + } + } + MultiByteToWideChar (CP_ACP, 0, user, -1, name, 2 * (UNLEN + 1)); ret = NetUserGetInfo (NULL, name, 3, (LPBYTE *) &ui); return EvalRet (ret, user) ? NULL : ui; } @@ -116,10 +136,10 @@ GetPW (const char *user) int ChangePW (const char *user, const char *oldpwd, const char *pwd, int justcheck) { - WCHAR name[512], oldpass[512], pass[512]; + WCHAR name[2 * (UNLEN + 1)], oldpass[512], pass[512]; DWORD ret; - MultiByteToWideChar (CP_ACP, 0, user, -1, name, 512); + MultiByteToWideChar (CP_ACP, 0, user, -1, name, 2 * (UNLEN + 1)); MultiByteToWideChar (CP_ACP, 0, pwd, -1, pass, 512); if (! oldpwd) { @@ -362,11 +382,11 @@ main (int argc, char **argv) strcpy (user, optind >= argc ? getlogin () : argv[optind]); - li = GetPW (getlogin ()); + li = GetPW (getlogin (), 0); if (! li) return 1; - ui = GetPW (user); + ui = GetPW (user, 1); if (! ui) return 1; @@ -377,7 +397,7 @@ main (int argc, char **argv) if (lopt) { if (ui->usri3_priv == USER_PRIV_ADMIN) - return eprint (0, "You may not lock an administrators account."); + return eprint (0, "Locking an admin account is disallowed."); ui->usri3_flags |= UF_ACCOUNTDISABLE; } if (uopt) |