Attachment 305159 Details for Bug 446103 – Proposed patch - 1 of 2

[patch] Proposed patch - 1 of 2

tcp_wrappers-7.6-restore_sigalarm.patch (text/plain), 1.04 KB, created by Bryan Mason on 2008-05-12 19:00:42 UTC

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Creator: Bryan Mason

Created: 2008-05-12 19:00:42 UTC

Size: 1.04 KB

patch

obsolete

>diff -ruN tcp_wrappers_7.6.orig/rfc931.c tcp_wrappers_7.6/rfc931.c
>--- tcp_wrappers_7.6.orig/rfc931.c	2004-08-29 18:40:08.000000000 +0200
>+++ tcp_wrappers_7.6/rfc931.c	2004-08-29 18:40:02.000000000 +0200
>@@ -92,6 +92,8 @@
>     char   *cp;
>     char   *result = unknown;
>     FILE   *fp;
>+    unsigned saved_timeout;
>+    struct sigaction nact, oact;
> 
> #ifdef INET6
>     /* address family must be the same */
>@@ -134,7 +136,12 @@
> 	 */
> 
> 	if (setjmp(timebuf) == 0) {
>-	    signal(SIGALRM, timeout);
>+	    /* Save SIGALRM timer and handler. Sudheer Abdul-Salam, SUN. */
>+	    saved_timeout = alarm(0);
>+	    nact.sa_handler = timeout;
>+	    nact.sa_flags = 0;
>+	    (void) sigemptyset(&nact.sa_mask);
>+	    (void) sigaction(SIGALRM, &nact, &oact);
> 	    alarm(rfc931_timeout);
> 
> 	    /*
>@@ -223,6 +230,10 @@
> 	    }
> 	    alarm(0);
> 	}
>+	/* Restore SIGALRM timer and handler. Sudheer Abdul-Salam, SUN. */
>+	(void) sigaction(SIGALRM, &oact, NULL);
>+	if (saved_timeout > 0)
>+	    alarm(saved_timeout);
> 	fclose(fp);
>     }
>     STRN_CPY(dest, result, STRING_LENGTH);

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Attachments on bug 446103: 305159 | 305160