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Add patches:

----- MEDIUM -----
mikea@kconline.com:

	Sendmail 8.12.x has an implementation bug in the milter
	code that causes the milter daemons to fail when they
	are bombarded with 20-30 messages from a mail server.

	mail sendmail[82323]: g1N53lNY082323: Milter
	(milter-amavis): select(read): Interrupted system call

The patch available at the link above definitely fixes the Milter timeout
problem.  Before applying the patch, I would see this every 5 to 15 minutes
in our logs.
here hasn't been another one since I applied the patch 5 hours ago.

----- LOW -----
dionex@freebsd.org:

	Fix SafeFileEnv, it won't work if configured up with a trailing '/'

-----

PR:		35363
Submitted by:	mikea@kconline.com,dinoex

mail/sendmail/Makefile

@@ -7,7 +7,7 @@
 
 PORTNAME=	sendmail
 PORTVERSION=	8.12.2
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	mail ipv6
 MASTER_SITES=	ftp://ftp.sendmail.org/pub/sendmail/ \
 		${MASTER_SITE_RINGSERVER:S,%SUBDIR%,net/mail/sendmail/&,}

mail/sendmail/files/patch-sendmail-deliver.c

@@ -0,0 +1,64 @@
+diff -u -r8.928 deliver.c
+--- sendmail/deliver.c	2002/01/10 03:23:29	8.928
++++ sendmail/deliver.c	2002/02/04 23:32:05
+@@ -5141,11 +5141,17 @@
+ 		}
+ 		(void) sm_strlcpy(targetfile, SafeFileEnv, sizeof targetfile);
+ 		realfile = targetfile + len;
+-		if (targetfile[len - 1] != '/')
+-			(void) sm_strlcat(targetfile, "/", sizeof targetfile);
+ 		if (*filename == '/')
+ 			filename++;
+-		(void) sm_strlcat(targetfile, filename, sizeof targetfile);
++		if (*filename != '\0')
++		{
++			/* paranoia: trailing / should be removed in readcf */
++			if (targetfile[len - 1] != '/')
++				(void) sm_strlcat(targetfile,
++						  "/", sizeof targetfile);
++			(void) sm_strlcat(targetfile, filename,
++					  sizeof targetfile);
++		}
+ 	}
+ 	else if (mailer->m_rootdir != NULL)
+ 	{
+@@ -5388,6 +5394,9 @@
+ 
+ 		if (realfile != targetfile)
+ 		{
++			char save;
++
++			save = *realfile;
+ 			*realfile = '\0';
+ 			if (tTd(11, 20))
+ 				sm_dprintf("mailfile: chroot %s\n", targetfile);
+@@ -5397,7 +5406,7 @@
+ 				       targetfile);
+ 				RETURN(EX_CANTCREAT);
+ 			}
+-			*realfile = '/';
++			*realfile = save;
+ 		}
+ 
+ 		if (tTd(11, 40))
+--- sendmail/readcf.c	2002/01/30 19:56:37	8.595
++++ sendmail/readcf.c	2002/02/04 23:32:05
+@@ -2950,6 +2950,17 @@
+ 		break;
+ 
+ 	  case O_SAFEFILEENV:	/* chroot() environ for writing to files */
++		if (*val == '\0')
++			break;
++
++		/* strip trailing slashes */
++		p = val + strlen(val) - 1;
++		while (p >= val && *p == '/')
++			*p-- = '\0';
++
++		if (*val == '\0')
++			break;
++
+ 		SafeFileEnv = newstr(val);
+ 		break;
+ 
+

mail/sendmail/files/patch-sendmail-milter.c

@@ -0,0 +1,39 @@
+Sendmail 8.12.x
+ 
+The MTA may erroneously detect a communication failure with libmilter
+(EINTR in select(2)). [ http://www.sendmail.org/~ca/email/sm-812.html ]
+
+Index: milter.c
+===================================================================
+RCS file: /cvs/sendmail/milter.c,v
+retrieving revision 8.187
+retrieving revision 8.188
+diff -u -r8.187 -r8.188
+--- sendmail/milter.c	2002/01/19 00:48:57	8.187
++++ sendmail/milter.c	2002/01/21 04:07:02	8.188
+@@ -139,14 +139,17 @@
+ 		return NULL; \
+ 	} \
+  \
+-	FD_ZERO(&fds); \
+-	SM_FD_SET(m->mf_sock, &fds); \
+-	tv.tv_sec = (secs); \
+-	tv.tv_usec = 0; \
+-	ret = select(m->mf_sock + 1, \
+-		     (write) ? NULL : &fds, \
+-		     (write) ? &fds : NULL, \
+-		     NULL, &tv); \
++	do \
++	{ \
++		FD_ZERO(&fds); \
++		SM_FD_SET(m->mf_sock, &fds); \
++		tv.tv_sec = (secs); \
++		tv.tv_usec = 0; \
++		ret = select(m->mf_sock + 1, \
++			     (write) ? NULL : &fds, \
++			     (write) ? &fds : NULL, \
++			     NULL, &tv); \
++	} while (ret < 0 && errno == EINTR); \
+  \
+ 	switch (ret) \
+ 	{ \

mail/sendmail812/Makefile

@@ -7,7 +7,7 @@
 
 PORTNAME=	sendmail
 PORTVERSION=	8.12.2
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	mail ipv6
 MASTER_SITES=	ftp://ftp.sendmail.org/pub/sendmail/ \
 		${MASTER_SITE_RINGSERVER:S,%SUBDIR%,net/mail/sendmail/&,}

mail/sendmail812/files/patch-sendmail-deliver.c

@@ -0,0 +1,64 @@
+diff -u -r8.928 deliver.c
+--- sendmail/deliver.c	2002/01/10 03:23:29	8.928
++++ sendmail/deliver.c	2002/02/04 23:32:05
+@@ -5141,11 +5141,17 @@
+ 		}
+ 		(void) sm_strlcpy(targetfile, SafeFileEnv, sizeof targetfile);
+ 		realfile = targetfile + len;
+-		if (targetfile[len - 1] != '/')
+-			(void) sm_strlcat(targetfile, "/", sizeof targetfile);
+ 		if (*filename == '/')
+ 			filename++;
+-		(void) sm_strlcat(targetfile, filename, sizeof targetfile);
++		if (*filename != '\0')
++		{
++			/* paranoia: trailing / should be removed in readcf */
++			if (targetfile[len - 1] != '/')
++				(void) sm_strlcat(targetfile,
++						  "/", sizeof targetfile);
++			(void) sm_strlcat(targetfile, filename,
++					  sizeof targetfile);
++		}
+ 	}
+ 	else if (mailer->m_rootdir != NULL)
+ 	{
+@@ -5388,6 +5394,9 @@
+ 
+ 		if (realfile != targetfile)
+ 		{
++			char save;
++
++			save = *realfile;
+ 			*realfile = '\0';
+ 			if (tTd(11, 20))
+ 				sm_dprintf("mailfile: chroot %s\n", targetfile);
+@@ -5397,7 +5406,7 @@
+ 				       targetfile);
+ 				RETURN(EX_CANTCREAT);
+ 			}
+-			*realfile = '/';
++			*realfile = save;
+ 		}
+ 
+ 		if (tTd(11, 40))
+--- sendmail/readcf.c	2002/01/30 19:56:37	8.595
++++ sendmail/readcf.c	2002/02/04 23:32:05
+@@ -2950,6 +2950,17 @@
+ 		break;
+ 
+ 	  case O_SAFEFILEENV:	/* chroot() environ for writing to files */
++		if (*val == '\0')
++			break;
++
++		/* strip trailing slashes */
++		p = val + strlen(val) - 1;
++		while (p >= val && *p == '/')
++			*p-- = '\0';
++
++		if (*val == '\0')
++			break;
++
+ 		SafeFileEnv = newstr(val);
+ 		break;
+ 
+

mail/sendmail812/files/patch-sendmail-milter.c

@@ -0,0 +1,39 @@
+Sendmail 8.12.x
+ 
+The MTA may erroneously detect a communication failure with libmilter
+(EINTR in select(2)). [ http://www.sendmail.org/~ca/email/sm-812.html ]
+
+Index: milter.c
+===================================================================
+RCS file: /cvs/sendmail/milter.c,v
+retrieving revision 8.187
+retrieving revision 8.188
+diff -u -r8.187 -r8.188
+--- sendmail/milter.c	2002/01/19 00:48:57	8.187
++++ sendmail/milter.c	2002/01/21 04:07:02	8.188
+@@ -139,14 +139,17 @@
+ 		return NULL; \
+ 	} \
+  \
+-	FD_ZERO(&fds); \
+-	SM_FD_SET(m->mf_sock, &fds); \
+-	tv.tv_sec = (secs); \
+-	tv.tv_usec = 0; \
+-	ret = select(m->mf_sock + 1, \
+-		     (write) ? NULL : &fds, \
+-		     (write) ? &fds : NULL, \
+-		     NULL, &tv); \
++	do \
++	{ \
++		FD_ZERO(&fds); \
++		SM_FD_SET(m->mf_sock, &fds); \
++		tv.tv_sec = (secs); \
++		tv.tv_usec = 0; \
++		ret = select(m->mf_sock + 1, \
++			     (write) ? NULL : &fds, \
++			     (write) ? &fds : NULL, \
++			     NULL, &tv); \
++	} while (ret < 0 && errno == EINTR); \
+  \
+ 	switch (ret) \
+ 	{ \