Import sendmail-8.9.1 (slightly trimmed) onto a fresh branch under

src/contrib as per various discussions.  I will copy across our changes
and then point the Makefiles across once the dust has settled..

1 files changed, 162 insertions, 0 deletions

diff --git a/contrib/sendmail/src/sysexits.c b/contrib/sendmail/src/sysexits.c
new file mode 100644
index 0000000..10d7c85
--- /dev/null
+++ b/contrib/sendmail/src/sysexits.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (c) 1998 Sendmail, Inc.  All rights reserved.
+ * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * By using this file, you agree to the terms and conditions set
+ * forth in the LICENSE file which can be found at the top level of
+ * the sendmail distribution.
+ *
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)sysexits.c	8.13 (Berkeley) 5/24/98";
+#endif /* not lint */
+
+#include "sendmail.h"
+
+/*
+**  SYSEXITS.C -- error messages corresponding to sysexits.h
+**
+**	If the first character of the string is a colon, interpolate
+**	the current errno after the rest of the string.
+*/
+
+char *SysExMsg[] =
+{
+	/* 64 USAGE */		" 500 Bad usage",
+	/* 65 DATAERR */	" 501 Data format error",
+	/* 66 NOINPUT */	":550 Cannot open input",
+	/* 67 NOUSER */		" 550 User unknown",
+	/* 68 NOHOST */		" 550 Host unknown",
+	/* 69 UNAVAILABLE */	" 554 Service unavailable",
+	/* 70 SOFTWARE */	":554 Internal error",
+	/* 71 OSERR */		":451 Operating system error",
+	/* 72 OSFILE */		":554 System file missing",
+	/* 73 CANTCREAT */	":550 Can't create output",
+	/* 74 IOERR */		":451 I/O error",
+	/* 75 TEMPFAIL */	" 250 Deferred",
+	/* 76 PROTOCOL */	" 554 Remote protocol error",
+	/* 77 NOPERM */		":550 Insufficient permission",
+	/* 78 CONFIG */		" 554 Local configuration error",
+};
+
+int N_SysEx = sizeof(SysExMsg) / sizeof(SysExMsg[0]);
+/*
+**  DSNTOEXITSTAT -- convert DSN-style error code to EX_ style.
+**
+**	Parameters:
+**		dsncode -- the text of the DSN-style code.
+**
+**	Returns:
+**		The corresponding exit status.
+*/
+
+int
+dsntoexitstat(dsncode)
+	char *dsncode;
+{
+	int code2, code3;
+
+	/* first the easy cases.... */
+	if (*dsncode == '2')
+		return EX_OK;
+	if (*dsncode == '4')
+		return EX_TEMPFAIL;
+
+	/* now decode the other two field parts */
+	if (*++dsncode == '.')
+		dsncode++;
+	code2 = atoi(dsncode);
+	while (*dsncode != '\0' && *dsncode != '.')
+		dsncode++;
+	if (*dsncode != '\0')
+		dsncode++;
+	code3 = atoi(dsncode);
+
+	/* and do a nested switch to work them out */
+	switch (code2)
+	{
+	  case 0:	/* Other or Undefined status */
+		return EX_UNAVAILABLE;
+
+	  case 1:	/* Address Status */
+		switch (code3)
+		{
+		  case 0:	/* Other Address Status */
+			return EX_DATAERR;
+
+		  case 1:	/* Bad destination mailbox address */
+		  case 6:	/* Mailbox has moved, No forwarding address */
+			return EX_NOUSER;
+
+		  case 2:	/* Bad destination system address */
+		  case 8:	/* Bad senders system address */
+			return EX_NOHOST;
+
+		  case 3:	/* Bad destination mailbox address syntax */
+		  case 7:	/* Bad senders mailbox address syntax */
+			return EX_USAGE;
+
+		  case 4:	/* Destination mailbox address ambiguous */
+			return EX_UNAVAILABLE;
+
+		  case 5:	/* Destination address valid */
+			return EX_OK;
+		}
+		break;
+
+	  case 2:	/* Mailbox Status */
+		switch (code3)
+		{
+		  case 0:	/* Other or Undefined mailbox status */
+		  case 1:	/* Mailbox disabled, not acccepting messages */
+		  case 2:	/* Mailbox full */
+		  case 4:	/* Mailing list expansion problem */
+			return EX_UNAVAILABLE;
+
+		  case 3:	/* Message length exceeds administrative lim */
+			return EX_DATAERR;
+		}
+		break;
+
+	  case 3:	/* System Status */
+		return EX_OSERR;
+
+	  case 4:	/* Network and Routing Status */
+		switch (code3)
+		{
+		  case 0:	/* Other or undefined network or routing stat */
+			return EX_IOERR;
+
+		  case 1:	/* No answer from host */
+		  case 3:	/* Routing server failure */
+		  case 5:	/* Network congestion */
+			return EX_TEMPFAIL;
+
+		  case 2:	/* Bad connection */
+			return EX_IOERR;
+
+		  case 4:	/* Unable to route */
+			return EX_PROTOCOL;
+
+		  case 6:	/* Routing loop detected */
+			return EX_CONFIG;
+
+		  case 7:	/* Delivery time expired */
+			return EX_UNAVAILABLE;
+		}
+		break;
+
+	  case 5:	/* Protocol Status */
+		return EX_PROTOCOL;
+
+	  case 6:	/* Message Content or Media Status */
+		return EX_UNAVAILABLE;
+
+	  case 7:	/* Security Status */
+		return EX_DATAERR;
+	}
+	return EX_CONFIG;
+}