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* security.cc (subauth): Initialize user_token to NULL. Add comment.

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Corinna Vinschen 2006-08-14 11:32:11 +00:00
parent e39a29e36b
commit 94dc73adc5
2 changed files with 9 additions and 2 deletions
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4
winsup/cygwin/ChangeLog
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@ -1,3 +1,7 @@
2006-08-14 Corinna Vinschen <corinna@vinschen.de>
* security.cc (subauth): Initialize user_token to NULL. Add comment.
2006-08-11 Corinna Vinschen <corinna@vinschen.de> 2006-08-11 Corinna Vinschen <corinna@vinschen.de>
* shared.cc (open_shared): Desperately try to get shared memory, only * shared.cc (open_shared): Desperately try to get shared memory, only

7
winsup/cygwin/security.cc
View File

@ -1009,7 +1009,10 @@ subauth (struct passwd *pw)
QUOTA_LIMITS quota; QUOTA_LIMITS quota;
char nt_domain[INTERNET_MAX_HOST_NAME_LENGTH + 1]; char nt_domain[INTERNET_MAX_HOST_NAME_LENGTH + 1];
char nt_user[UNLEN + 1]; char nt_user[UNLEN + 1];
HANDLE user_token = INVALID_HANDLE_VALUE; /* Changed from INVALID_HANDLE_VALUE to NULL. A failed LsaLogonUser
sets the token to NULL anyway, so starting with NULL simplifies
the below test before calling CloseHandle. */
HANDLE user_token = NULL;
HANDLE primary_token = INVALID_HANDLE_VALUE; HANDLE primary_token = INVALID_HANDLE_VALUE;
push_self_privilege (SE_TCB_PRIV, true); push_self_privilege (SE_TCB_PRIV, true);
@ -1076,7 +1079,7 @@ subauth (struct passwd *pw)
out: out:
pop_self_privilege (); pop_self_privilege ();
if (user_token != INVALID_HANDLE_VALUE) if (user_token)
CloseHandle (user_token); CloseHandle (user_token);
return primary_token; return primary_token;
} }