1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23*0Sstevel@tonic-gate /* All Rights Reserved */
24*0Sstevel@tonic-gate
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1. */
27*0Sstevel@tonic-gate #include "mail.h"
28*0Sstevel@tonic-gate /*
29*0Sstevel@tonic-gate * isheader(lp, ctf) - check if lp is header line and return type
30*0Sstevel@tonic-gate * lp -> pointer to line
31*0Sstevel@tonic-gate * ctfp -> continuation flag (should be FALSE the first time
32*0Sstevel@tonic-gate * isheader() is called on a message. isheader() sets
33*0Sstevel@tonic-gate * it for the remaining calls to that message)
34*0Sstevel@tonic-gate * returns
35*0Sstevel@tonic-gate * FALSE -> not header line
36*0Sstevel@tonic-gate * H_* -> type of header line found.
37*0Sstevel@tonic-gate */
38*0Sstevel@tonic-gate int
isheader(lp,ctfp)39*0Sstevel@tonic-gate isheader(lp, ctfp)
40*0Sstevel@tonic-gate char *lp;
41*0Sstevel@tonic-gate int *ctfp;
42*0Sstevel@tonic-gate {
43*0Sstevel@tonic-gate register char *p, *q;
44*0Sstevel@tonic-gate register int i;
45*0Sstevel@tonic-gate
46*0Sstevel@tonic-gate p = lp;
47*0Sstevel@tonic-gate while((*p) && (*p != '\n') && (isspace(*p))) {
48*0Sstevel@tonic-gate p++;
49*0Sstevel@tonic-gate }
50*0Sstevel@tonic-gate if((*p == NULL) || (*p == '\n')) {
51*0Sstevel@tonic-gate /* blank line */
52*0Sstevel@tonic-gate return (FALSE);
53*0Sstevel@tonic-gate }
54*0Sstevel@tonic-gate
55*0Sstevel@tonic-gate if ((*ctfp) && ((*lp == ' ') || (*lp == '\t'))) {
56*0Sstevel@tonic-gate return(H_CONT);
57*0Sstevel@tonic-gate }
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate *ctfp = FALSE;
60*0Sstevel@tonic-gate for (i = 1; i < H_CONT; i++) {
61*0Sstevel@tonic-gate if (!isit(lp, i)) {
62*0Sstevel@tonic-gate continue;
63*0Sstevel@tonic-gate }
64*0Sstevel@tonic-gate if ((i == H_FROM) || (i == H_FROM1)) {
65*0Sstevel@tonic-gate /*
66*0Sstevel@tonic-gate * Should NEVER get 'From ' or '>From ' line on stdin
67*0Sstevel@tonic-gate * if invoked as mail (rather than rmail) since
68*0Sstevel@tonic-gate * 'From ' and/or '>From ' lines are generated by
69*0Sstevel@tonic-gate * program itself. Therefore, if it DOES match and
70*0Sstevel@tonic-gate * ismail == TRUE, it must be part of the content.
71*0Sstevel@tonic-gate */
72*0Sstevel@tonic-gate if (sending && ismail && !deliverflag) {
73*0Sstevel@tonic-gate return (FALSE);
74*0Sstevel@tonic-gate }
75*0Sstevel@tonic-gate }
76*0Sstevel@tonic-gate *ctfp = TRUE;
77*0Sstevel@tonic-gate return (i);
78*0Sstevel@tonic-gate }
79*0Sstevel@tonic-gate /*
80*0Sstevel@tonic-gate * Check if name: value pair
81*0Sstevel@tonic-gate */
82*0Sstevel@tonic-gate if ((p = strpbrk(lp, ":")) != NULL ) {
83*0Sstevel@tonic-gate for(q = lp; q < p; q++) {
84*0Sstevel@tonic-gate if ((*q == ' ') || (!isprint(*q))) {
85*0Sstevel@tonic-gate return(FALSE);
86*0Sstevel@tonic-gate }
87*0Sstevel@tonic-gate }
88*0Sstevel@tonic-gate *ctfp = TRUE;
89*0Sstevel@tonic-gate return(H_NAMEVALUE);
90*0Sstevel@tonic-gate }
91*0Sstevel@tonic-gate return(FALSE);
92*0Sstevel@tonic-gate }
93