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 /*
23 *0Sstevel@tonic-gate * Copyright 1996 Sun Microsystems, Inc. All rights reserved.
24 *0Sstevel@tonic-gate * Use is subject to license terms.
25 *0Sstevel@tonic-gate */
26 *0Sstevel@tonic-gate
27 *0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 *0Sstevel@tonic-gate /* All Rights Reserved */
29 *0Sstevel@tonic-gate
30 *0Sstevel@tonic-gate
31 *0Sstevel@tonic-gate /*
32 *0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
33 *0Sstevel@tonic-gate * The Regents of the University of California
34 *0Sstevel@tonic-gate * All Rights Reserved
35 *0Sstevel@tonic-gate *
36 *0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
37 *0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
38 *0Sstevel@tonic-gate * contributors.
39 *0Sstevel@tonic-gate */
40 *0Sstevel@tonic-gate
41 *0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
42 *0Sstevel@tonic-gate
43 *0Sstevel@tonic-gate #include "rcv.h"
44 *0Sstevel@tonic-gate #include <locale.h>
45 *0Sstevel@tonic-gate
46 *0Sstevel@tonic-gate
47 *0Sstevel@tonic-gate /*
48 *0Sstevel@tonic-gate * mailx -- a modified version of a University of California at Berkeley
49 *0Sstevel@tonic-gate * mail program
50 *0Sstevel@tonic-gate *
51 *0Sstevel@tonic-gate * Perform message editing functions.
52 *0Sstevel@tonic-gate */
53 *0Sstevel@tonic-gate
54 *0Sstevel@tonic-gate static void edit1(int *msgvec, char *ed);
55 *0Sstevel@tonic-gate
56 *0Sstevel@tonic-gate /*
57 *0Sstevel@tonic-gate * Edit a message list.
58 *0Sstevel@tonic-gate */
59 *0Sstevel@tonic-gate
60 *0Sstevel@tonic-gate int
editor(int * msgvec)61 *0Sstevel@tonic-gate editor(int *msgvec)
62 *0Sstevel@tonic-gate {
63 *0Sstevel@tonic-gate char *edname;
64 *0Sstevel@tonic-gate
65 *0Sstevel@tonic-gate if ((edname = value("EDITOR")) == NOSTR || *edname == '\0')
66 *0Sstevel@tonic-gate edname = EDITOR;
67 *0Sstevel@tonic-gate edit1(msgvec, edname);
68 *0Sstevel@tonic-gate return(0);
69 *0Sstevel@tonic-gate }
70 *0Sstevel@tonic-gate
71 *0Sstevel@tonic-gate /*
72 *0Sstevel@tonic-gate * Invoke the visual editor on a message list.
73 *0Sstevel@tonic-gate */
74 *0Sstevel@tonic-gate
75 *0Sstevel@tonic-gate int
visual(int * msgvec)76 *0Sstevel@tonic-gate visual(int *msgvec)
77 *0Sstevel@tonic-gate {
78 *0Sstevel@tonic-gate char *edname;
79 *0Sstevel@tonic-gate
80 *0Sstevel@tonic-gate if ((edname = value("VISUAL")) == NOSTR || *edname == '\0')
81 *0Sstevel@tonic-gate edname = VISUAL;
82 *0Sstevel@tonic-gate edit1(msgvec, edname);
83 *0Sstevel@tonic-gate return(0);
84 *0Sstevel@tonic-gate }
85 *0Sstevel@tonic-gate
86 *0Sstevel@tonic-gate /*
87 *0Sstevel@tonic-gate * Edit a message by writing the message into a funnily-named file
88 *0Sstevel@tonic-gate * (which should not exist) and forking an editor on it.
89 *0Sstevel@tonic-gate * We get the editor from the stuff above.
90 *0Sstevel@tonic-gate */
91 *0Sstevel@tonic-gate
92 *0Sstevel@tonic-gate static void
edit1(int * msgvec,char * ed)93 *0Sstevel@tonic-gate edit1(int *msgvec, char *ed)
94 *0Sstevel@tonic-gate {
95 *0Sstevel@tonic-gate register int c, lastc = '\n';
96 *0Sstevel@tonic-gate pid_t pid;
97 *0Sstevel@tonic-gate int *ip, mesg, blank = 1;
98 *0Sstevel@tonic-gate long ms, lines;
99 *0Sstevel@tonic-gate void (*sigint)(int), (*sigquit)(int);
100 *0Sstevel@tonic-gate FILE *ibuf, *obuf;
101 *0Sstevel@tonic-gate struct message *mp;
102 *0Sstevel@tonic-gate off_t size;
103 *0Sstevel@tonic-gate struct stat statb;
104 *0Sstevel@tonic-gate long modtime;
105 *0Sstevel@tonic-gate int fd = -1;
106 *0Sstevel@tonic-gate
107 *0Sstevel@tonic-gate /*
108 *0Sstevel@tonic-gate * Set signals; locate editor.
109 *0Sstevel@tonic-gate */
110 *0Sstevel@tonic-gate
111 *0Sstevel@tonic-gate sigint = sigset(SIGINT, SIG_IGN);
112 *0Sstevel@tonic-gate sigquit = sigset(SIGQUIT, SIG_IGN);
113 *0Sstevel@tonic-gate ed = safeexpand(ed);
114 *0Sstevel@tonic-gate
115 *0Sstevel@tonic-gate /*
116 *0Sstevel@tonic-gate * Deal with each message to be edited . . .
117 *0Sstevel@tonic-gate */
118 *0Sstevel@tonic-gate
119 *0Sstevel@tonic-gate for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
120 *0Sstevel@tonic-gate mesg = *ip;
121 *0Sstevel@tonic-gate touch(mesg);
122 *0Sstevel@tonic-gate mp = &message[mesg-1];
123 *0Sstevel@tonic-gate dot = mp;
124 *0Sstevel@tonic-gate if (mp->m_text) {
125 *0Sstevel@tonic-gate if (!access(tempZedit, 2)) {
126 *0Sstevel@tonic-gate printf(gettext("%s: file exists\n"), tempZedit);
127 *0Sstevel@tonic-gate goto out;
128 *0Sstevel@tonic-gate }
129 *0Sstevel@tonic-gate
130 *0Sstevel@tonic-gate /*
131 *0Sstevel@tonic-gate * Copy the message into the edit file.
132 *0Sstevel@tonic-gate */
133 *0Sstevel@tonic-gate
134 *0Sstevel@tonic-gate if ((fd = open(tempZedit, O_RDWR|O_CREAT|
135 *0Sstevel@tonic-gate O_EXCL, 0600)) < 0 ||
136 *0Sstevel@tonic-gate (obuf = fdopen(fd, "w")) == NULL) {
137 *0Sstevel@tonic-gate perror(tempZedit);
138 *0Sstevel@tonic-gate goto out;
139 *0Sstevel@tonic-gate }
140 *0Sstevel@tonic-gate if (msend(mp, obuf, 0, fputs) < 0) {
141 *0Sstevel@tonic-gate perror(tempZedit);
142 *0Sstevel@tonic-gate fclose(obuf);
143 *0Sstevel@tonic-gate removefile(tempZedit);
144 *0Sstevel@tonic-gate goto out;
145 *0Sstevel@tonic-gate }
146 *0Sstevel@tonic-gate fflush(obuf);
147 *0Sstevel@tonic-gate if (fferror(obuf)) {
148 *0Sstevel@tonic-gate perror(tempZedit);
149 *0Sstevel@tonic-gate fclose(obuf);
150 *0Sstevel@tonic-gate removefile(tempZedit);
151 *0Sstevel@tonic-gate goto out;
152 *0Sstevel@tonic-gate }
153 *0Sstevel@tonic-gate fclose(obuf);
154 *0Sstevel@tonic-gate
155 *0Sstevel@tonic-gate /*
156 *0Sstevel@tonic-gate * If we are in read only mode, make the
157 *0Sstevel@tonic-gate * temporary message file readonly as well.
158 *0Sstevel@tonic-gate */
159 *0Sstevel@tonic-gate
160 *0Sstevel@tonic-gate if (readonly)
161 *0Sstevel@tonic-gate chmod(tempZedit, 0400);
162 *0Sstevel@tonic-gate
163 *0Sstevel@tonic-gate /*
164 *0Sstevel@tonic-gate * Fork/execl the editor on the edit file.
165 *0Sstevel@tonic-gate */
166 *0Sstevel@tonic-gate
167 *0Sstevel@tonic-gate if (stat(tempZedit, &statb) < 0)
168 *0Sstevel@tonic-gate modtime = 0;
169 *0Sstevel@tonic-gate else
170 *0Sstevel@tonic-gate modtime = statb.st_mtime;
171 *0Sstevel@tonic-gate pid = vfork();
172 *0Sstevel@tonic-gate if (pid == (pid_t)-1) {
173 *0Sstevel@tonic-gate perror("fork");
174 *0Sstevel@tonic-gate removefile(tempZedit);
175 *0Sstevel@tonic-gate goto out;
176 *0Sstevel@tonic-gate }
177 *0Sstevel@tonic-gate if (pid == 0) {
178 *0Sstevel@tonic-gate sigchild();
179 *0Sstevel@tonic-gate if (sigint != SIG_IGN)
180 *0Sstevel@tonic-gate sigset(SIGINT, SIG_DFL);
181 *0Sstevel@tonic-gate if (sigquit != SIG_IGN)
182 *0Sstevel@tonic-gate sigset(SIGQUIT, SIG_DFL);
183 *0Sstevel@tonic-gate execlp(ed, ed, tempZedit, (char *)0);
184 *0Sstevel@tonic-gate perror(ed);
185 *0Sstevel@tonic-gate _exit(1);
186 *0Sstevel@tonic-gate }
187 *0Sstevel@tonic-gate while (wait(&mesg) != pid)
188 *0Sstevel@tonic-gate ;
189 *0Sstevel@tonic-gate
190 *0Sstevel@tonic-gate /*
191 *0Sstevel@tonic-gate * If in read only mode, just remove the editor
192 *0Sstevel@tonic-gate * temporary and return.
193 *0Sstevel@tonic-gate */
194 *0Sstevel@tonic-gate
195 *0Sstevel@tonic-gate if (readonly) {
196 *0Sstevel@tonic-gate removefile(tempZedit);
197 *0Sstevel@tonic-gate continue;
198 *0Sstevel@tonic-gate }
199 *0Sstevel@tonic-gate
200 *0Sstevel@tonic-gate /*
201 *0Sstevel@tonic-gate * Now copy the message to the end of the
202 *0Sstevel@tonic-gate * temp file.
203 *0Sstevel@tonic-gate */
204 *0Sstevel@tonic-gate
205 *0Sstevel@tonic-gate if (stat(tempZedit, &statb) < 0) {
206 *0Sstevel@tonic-gate perror(tempZedit);
207 *0Sstevel@tonic-gate continue;
208 *0Sstevel@tonic-gate }
209 *0Sstevel@tonic-gate if (modtime == statb.st_mtime) {
210 *0Sstevel@tonic-gate removefile(tempZedit);
211 *0Sstevel@tonic-gate continue;
212 *0Sstevel@tonic-gate }
213 *0Sstevel@tonic-gate if ((ibuf = fopen(tempZedit, "r")) == NULL) {
214 *0Sstevel@tonic-gate perror(tempZedit);
215 *0Sstevel@tonic-gate removefile(tempZedit);
216 *0Sstevel@tonic-gate continue;
217 *0Sstevel@tonic-gate }
218 *0Sstevel@tonic-gate removefile(tempZedit);
219 *0Sstevel@tonic-gate fseek(otf, (long) 0, 2);
220 *0Sstevel@tonic-gate size = fsize(otf);
221 *0Sstevel@tonic-gate mp->m_flag |= MODIFY;
222 *0Sstevel@tonic-gate mp->m_offset = size;
223 *0Sstevel@tonic-gate ms = 0L;
224 *0Sstevel@tonic-gate lines = 0;
225 *0Sstevel@tonic-gate while ((c = getc(ibuf)) != EOF) {
226 *0Sstevel@tonic-gate if (c == '\n') {
227 *0Sstevel@tonic-gate lines++;
228 *0Sstevel@tonic-gate blank = lastc == '\n';
229 *0Sstevel@tonic-gate }
230 *0Sstevel@tonic-gate lastc = c;
231 *0Sstevel@tonic-gate putc(c, otf);
232 *0Sstevel@tonic-gate if (ferror(otf))
233 *0Sstevel@tonic-gate break;
234 *0Sstevel@tonic-gate ms++;
235 *0Sstevel@tonic-gate }
236 *0Sstevel@tonic-gate if (!blank) {
237 *0Sstevel@tonic-gate putc('\n', otf);
238 *0Sstevel@tonic-gate ms++;
239 *0Sstevel@tonic-gate lines++;
240 *0Sstevel@tonic-gate }
241 *0Sstevel@tonic-gate mp->m_size = ms;
242 *0Sstevel@tonic-gate mp->m_lines = lines;
243 *0Sstevel@tonic-gate fflush(otf);
244 *0Sstevel@tonic-gate if (fferror(otf))
245 *0Sstevel@tonic-gate perror("/tmp");
246 *0Sstevel@tonic-gate fclose(ibuf);
247 *0Sstevel@tonic-gate setclen(mp);
248 *0Sstevel@tonic-gate } else {
249 *0Sstevel@tonic-gate printf("\n%s\n", gettext(
250 *0Sstevel@tonic-gate "*** Message content is not printable: pipe to command or save to a file ***"));
251 *0Sstevel@tonic-gate }
252 *0Sstevel@tonic-gate }
253 *0Sstevel@tonic-gate
254 *0Sstevel@tonic-gate /*
255 *0Sstevel@tonic-gate * Restore signals and return.
256 *0Sstevel@tonic-gate */
257 *0Sstevel@tonic-gate
258 *0Sstevel@tonic-gate out:
259 *0Sstevel@tonic-gate sigset(SIGINT, sigint);
260 *0Sstevel@tonic-gate sigset(SIGQUIT, sigquit);
261 *0Sstevel@tonic-gate }
262