xref: /onnv-gate/usr/src/cmd/sendmail/src/sysexits.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.
3*0Sstevel@tonic-gate  *	All rights reserved.
4*0Sstevel@tonic-gate  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
5*0Sstevel@tonic-gate  * Copyright (c) 1988, 1993
6*0Sstevel@tonic-gate  *	The Regents of the University of California.  All rights reserved.
7*0Sstevel@tonic-gate  *
8*0Sstevel@tonic-gate  * By using this file, you agree to the terms and conditions set
9*0Sstevel@tonic-gate  * forth in the LICENSE file which can be found at the top level of
10*0Sstevel@tonic-gate  * the sendmail distribution.
11*0Sstevel@tonic-gate  *
12*0Sstevel@tonic-gate  */
13*0Sstevel@tonic-gate 
14*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
15*0Sstevel@tonic-gate 
16*0Sstevel@tonic-gate #include <sendmail.h>
17*0Sstevel@tonic-gate 
18*0Sstevel@tonic-gate SM_RCSID("@(#)$Id: sysexits.c,v 8.33.4.1 2002/09/09 02:42:37 gshapiro Exp $")
19*0Sstevel@tonic-gate 
20*0Sstevel@tonic-gate /*
21*0Sstevel@tonic-gate **  DSNTOEXITSTAT -- convert DSN-style error code to EX_ style.
22*0Sstevel@tonic-gate **
23*0Sstevel@tonic-gate **	Parameters:
24*0Sstevel@tonic-gate **		dsncode -- the text of the DSN-style code.
25*0Sstevel@tonic-gate **
26*0Sstevel@tonic-gate **	Returns:
27*0Sstevel@tonic-gate **		The corresponding exit status.
28*0Sstevel@tonic-gate */
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate int
31*0Sstevel@tonic-gate dsntoexitstat(dsncode)
32*0Sstevel@tonic-gate 	char *dsncode;
33*0Sstevel@tonic-gate {
34*0Sstevel@tonic-gate 	int code2, code3;
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate 	/* first the easy cases.... */
37*0Sstevel@tonic-gate 	if (*dsncode == '2')
38*0Sstevel@tonic-gate 		return EX_OK;
39*0Sstevel@tonic-gate 	if (*dsncode == '4')
40*0Sstevel@tonic-gate 		return EX_TEMPFAIL;
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate 	/* reject other illegal values */
43*0Sstevel@tonic-gate 	if (*dsncode != '5')
44*0Sstevel@tonic-gate 		return EX_CONFIG;
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate 	/* now decode the other two field parts */
47*0Sstevel@tonic-gate 	if (*++dsncode == '.')
48*0Sstevel@tonic-gate 		dsncode++;
49*0Sstevel@tonic-gate 	code2 = atoi(dsncode);
50*0Sstevel@tonic-gate 	while (*dsncode != '\0' && *dsncode != '.')
51*0Sstevel@tonic-gate 		dsncode++;
52*0Sstevel@tonic-gate 	if (*dsncode != '\0')
53*0Sstevel@tonic-gate 		dsncode++;
54*0Sstevel@tonic-gate 	code3 = atoi(dsncode);
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate 	/* and do a nested switch to work them out */
57*0Sstevel@tonic-gate 	switch (code2)
58*0Sstevel@tonic-gate 	{
59*0Sstevel@tonic-gate 	  case 0:	/* Other or Undefined status */
60*0Sstevel@tonic-gate 		return EX_UNAVAILABLE;
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate 	  case 1:	/* Address Status */
63*0Sstevel@tonic-gate 		switch (code3)
64*0Sstevel@tonic-gate 		{
65*0Sstevel@tonic-gate 		  case 0:	/* Other Address Status */
66*0Sstevel@tonic-gate 			return EX_DATAERR;
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate 		  case 1:	/* Bad destination mailbox address */
69*0Sstevel@tonic-gate 		  case 6:	/* Mailbox has moved, No forwarding address */
70*0Sstevel@tonic-gate 			return EX_NOUSER;
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate 		  case 2:	/* Bad destination system address */
73*0Sstevel@tonic-gate 		  case 8:	/* Bad senders system address */
74*0Sstevel@tonic-gate 			return EX_NOHOST;
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate 		  case 3:	/* Bad destination mailbox address syntax */
77*0Sstevel@tonic-gate 		  case 7:	/* Bad senders mailbox address syntax */
78*0Sstevel@tonic-gate 			return EX_USAGE;
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate 		  case 4:	/* Destination mailbox address ambiguous */
81*0Sstevel@tonic-gate 			return EX_UNAVAILABLE;
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate 		  case 5:	/* Destination address valid */
84*0Sstevel@tonic-gate 			/* According to RFC1893, this can't happen */
85*0Sstevel@tonic-gate 			return EX_CONFIG;
86*0Sstevel@tonic-gate 		}
87*0Sstevel@tonic-gate 		break;
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate 	  case 2:	/* Mailbox Status */
90*0Sstevel@tonic-gate 		switch (code3)
91*0Sstevel@tonic-gate 		{
92*0Sstevel@tonic-gate 		  case 0:	/* Other or Undefined mailbox status */
93*0Sstevel@tonic-gate 		  case 1:	/* Mailbox disabled, not accepting messages */
94*0Sstevel@tonic-gate 		  case 2:	/* Mailbox full */
95*0Sstevel@tonic-gate 		  case 4:	/* Mailing list expansion problem */
96*0Sstevel@tonic-gate 			return EX_UNAVAILABLE;
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate 		  case 3:	/* Message length exceeds administrative lim */
99*0Sstevel@tonic-gate 			return EX_DATAERR;
100*0Sstevel@tonic-gate 		}
101*0Sstevel@tonic-gate 		break;
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate 	  case 3:	/* System Status */
104*0Sstevel@tonic-gate 		return EX_OSERR;
105*0Sstevel@tonic-gate 
106*0Sstevel@tonic-gate 	  case 4:	/* Network and Routing Status */
107*0Sstevel@tonic-gate 		switch (code3)
108*0Sstevel@tonic-gate 		{
109*0Sstevel@tonic-gate 		  case 0:	/* Other or undefined network or routing stat */
110*0Sstevel@tonic-gate 			return EX_IOERR;
111*0Sstevel@tonic-gate 
112*0Sstevel@tonic-gate 		  case 1:	/* No answer from host */
113*0Sstevel@tonic-gate 		  case 3:	/* Routing server failure */
114*0Sstevel@tonic-gate 		  case 5:	/* Network congestion */
115*0Sstevel@tonic-gate 			return EX_TEMPFAIL;
116*0Sstevel@tonic-gate 
117*0Sstevel@tonic-gate 		  case 2:	/* Bad connection */
118*0Sstevel@tonic-gate 			return EX_IOERR;
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate 		  case 4:	/* Unable to route */
121*0Sstevel@tonic-gate 			return EX_PROTOCOL;
122*0Sstevel@tonic-gate 
123*0Sstevel@tonic-gate 		  case 6:	/* Routing loop detected */
124*0Sstevel@tonic-gate 			return EX_CONFIG;
125*0Sstevel@tonic-gate 
126*0Sstevel@tonic-gate 		  case 7:	/* Delivery time expired */
127*0Sstevel@tonic-gate 			return EX_UNAVAILABLE;
128*0Sstevel@tonic-gate 		}
129*0Sstevel@tonic-gate 		break;
130*0Sstevel@tonic-gate 
131*0Sstevel@tonic-gate 	  case 5:	/* Protocol Status */
132*0Sstevel@tonic-gate 		return EX_PROTOCOL;
133*0Sstevel@tonic-gate 
134*0Sstevel@tonic-gate 	  case 6:	/* Message Content or Media Status */
135*0Sstevel@tonic-gate 		return EX_UNAVAILABLE;
136*0Sstevel@tonic-gate 
137*0Sstevel@tonic-gate 	  case 7:	/* Security Status */
138*0Sstevel@tonic-gate 		return EX_DATAERR;
139*0Sstevel@tonic-gate 	}
140*0Sstevel@tonic-gate 	return EX_UNAVAILABLE;
141*0Sstevel@tonic-gate }
142*0Sstevel@tonic-gate /*
143*0Sstevel@tonic-gate **  EXITSTAT -- convert EX_ value to error text.
144*0Sstevel@tonic-gate **
145*0Sstevel@tonic-gate **	Parameters:
146*0Sstevel@tonic-gate **		excode -- rstatus which might consists of an EX_* value.
147*0Sstevel@tonic-gate **
148*0Sstevel@tonic-gate **	Returns:
149*0Sstevel@tonic-gate **		The corresponding error text or the original string.
150*0Sstevel@tonic-gate */
151*0Sstevel@tonic-gate 
152*0Sstevel@tonic-gate char *
exitstat(excode)153*0Sstevel@tonic-gate exitstat(excode)
154*0Sstevel@tonic-gate 	char *excode;
155*0Sstevel@tonic-gate {
156*0Sstevel@tonic-gate 	char *c;
157*0Sstevel@tonic-gate 	int i;
158*0Sstevel@tonic-gate 	char *exitmsg;
159*0Sstevel@tonic-gate 
160*0Sstevel@tonic-gate 	if (excode == NULL || *excode == '\0')
161*0Sstevel@tonic-gate 		return excode;
162*0Sstevel@tonic-gate 	i = (int) strtol(excode, &c, 10);
163*0Sstevel@tonic-gate 	if (*c != '\0')
164*0Sstevel@tonic-gate 		return excode;
165*0Sstevel@tonic-gate 	exitmsg = sm_sysexitmsg(i);
166*0Sstevel@tonic-gate 	if (exitmsg != NULL)
167*0Sstevel@tonic-gate 		return exitmsg;
168*0Sstevel@tonic-gate 	return excode;
169*0Sstevel@tonic-gate }
170