---------------------
PatchSet 2736 
Date: 2001/08/10 12:43:20
Author: kinkie
Branch: ntlm
Tag: (none) 
Log:
Added code to timeout the authentication.

Members: 
	src/auth/ntlm/helpers/NTLMSSP/ntlm_auth.c:1.1.4.19->1.1.4.20 

Index: squid/src/auth/ntlm/helpers/NTLMSSP/ntlm_auth.c
===================================================================
RCS file: /cvsroot/squid-sf//squid/src/auth/ntlm/helpers/NTLMSSP/Attic/ntlm_auth.c,v
retrieving revision 1.1.4.19
retrieving revision 1.1.4.20
diff -u -r1.1.4.19 -r1.1.4.20
--- squid/src/auth/ntlm/helpers/NTLMSSP/ntlm_auth.c	9 Aug 2001 10:43:29 -0000	1.1.4.19
+++ squid/src/auth/ntlm/helpers/NTLMSSP/ntlm_auth.c	10 Aug 2001 12:43:20 -0000	1.1.4.20
@@ -22,6 +22,9 @@
 #include "smbval/smblib-common.h"
 #include "smbval/rfcnb-error.h"
 
+#include <signal.h>
+#include <unistd.h>
+
 /* these are part of rfcnb-priv.h and smblib-priv.h */
 extern int SMB_Get_Error_Msg (int msg, char *msgbuf, int len);
 extern int SMB_Get_Last_Error ();
@@ -60,6 +63,15 @@
 
 char smb_error_buffer[1000];
 
+/* signal handler to be invoked when the authentication operation
+	 times out */
+static void
+timeout_during_auth(int signum) {
+	fprintf(stderr,"ntlm-auth[%d]: Timeout during authentication.\n", getpid());
+	SEND("BH Timeout during authentication");
+	dc_disconnect();
+}
+
 /* makes a null-terminated string upper-case. Changes CONTENTS! */
 static void
 uc (char *string)
@@ -247,7 +259,6 @@
     if (fgets (buf, BUFFER_SIZE, stdin) == NULL) {
 	fprintf (stderr, "fgets() failed! dying..... errno=%d (%s)\n", errno,
 	    strerror (errno));
-	abort ();
 	exit (1);		/* BIIG buffer */
     }
     debug ("managing request\n");
@@ -290,7 +301,11 @@
 	case NTLM_AUTHENTICATE:
 	    /* check against the DC */
 	    plen = strlen (buf) * 3 / 4;	/* we only need it here. Optimization */
+			signal(SIGALRM,timeout_during_auth);
+			alarm(30);
 	    cred = ntlm_check_auth ((ntlm_authenticate *) decoded, plen);
+			alarm(0);
+			signal(SIGALRM,SIG_DFL);
 	    if (cred == NULL) {
 		int smblib_err, smb_errorclass, smb_errorcode, nb_error;
 		/* there was an error. We have two errno's to look at.