diff options
Diffstat (limited to 'winsup/cygwin/syscalls.cc')
-rw-r--r-- | winsup/cygwin/syscalls.cc | 60 |
1 files changed, 31 insertions, 29 deletions
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index 085c9cebb..e4df8eb3b 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -1984,9 +1984,12 @@ seteuid (uid_t uid) if (!GetTokenInformation (cygheap->user.token, TokenUser, &tsid, sizeof tsid, &siz)) debug_printf ("GetTokenInformation(): %E"); - else if (get_pw_sid (psid, pw_new) && tsid != psid) + else if (psid.getfrompw (pw_new) && tsid != psid) { /* If not, RevertToSelf and close old token. */ + char tstr[256], pstr[256]; + debug_printf ("tsid (%s) != psid (%s)", + tsid.string (tstr), psid.string (pstr)); RevertToSelf (); cygwin_set_impersonation_token (INVALID_HANDLE_VALUE); } @@ -2003,36 +2006,35 @@ seteuid (uid_t uid) } /* If no impersonation is active but an impersonation token is available, try to impersonate. */ - if (!cygheap->user.impersonated) + if (cygheap->user.token != INVALID_HANDLE_VALUE && + !cygheap->user.impersonated) { debug_printf ("Impersonate (uid == %d)", uid); RevertToSelf (); - if (cygheap->user.token != INVALID_HANDLE_VALUE) - { - struct group *gr; - - /* Try setting owner to same value as user. */ - if (!SetTokenInformation (cygheap->user.token, - TokenOwner, - &tsid, sizeof tsid)) - debug_printf ("SetTokenInformation(user.token, " - "TokenOwner): %E"); - /* Try setting primary group in token to current group. */ - if ((gr = getgrgid (myself->gid)) && - get_gr_sid (gsid, gr) && - !SetTokenInformation (cygheap->user.token, - TokenPrimaryGroup, - &gsid, sizeof gsid)) - debug_printf ("SetTokenInformation(user.token, " - "TokenPrimaryGroup): %E"); - - /* Now try to impersonate. */ - if (!ImpersonateLoggedOnUser (cygheap->user.token)) - system_printf ("Impersonating (%d) in set(e)uid " - "failed: %E", cygheap->user.token); - else - cygheap->user.impersonated = TRUE; - } + + struct group *gr; + + /* Try setting owner to same value as user. */ + if (!SetTokenInformation (cygheap->user.token, + TokenOwner, + &tsid, sizeof tsid)) + debug_printf ("SetTokenInformation(user.token, " + "TokenOwner): %E"); + /* Try setting primary group in token to current group. */ + if ((gr = getgrgid (myself->gid)) && + gsid.getfromgr (gr) && + !SetTokenInformation (cygheap->user.token, + TokenPrimaryGroup, + &gsid, sizeof gsid)) + debug_printf ("SetTokenInformation(user.token, " + "TokenPrimaryGroup): %E"); + + /* Now try to impersonate. */ + if (!ImpersonateLoggedOnUser (cygheap->user.token)) + system_printf ("Impersonating (%d) in set(e)uid " + "failed: %E", cygheap->user.token); + else + cygheap->user.impersonated = TRUE; } } @@ -2084,7 +2086,7 @@ setegid (gid_t gid) cygsid gsid; HANDLE ptok; - if (get_gr_sid (gsid, gr)) + if (gsid.getfromgr (gr)) { if (!OpenProcessToken (GetCurrentProcess (), TOKEN_ADJUST_DEFAULT, |