2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 static const char copyright[] =
32 "@(#) Copyright (c) 1989, 1993\n\
33 The Regents of the University of California. All rights reserved.\n";
38 static char sccsid[] = "@(#)calendar.c 8.3 (Berkeley) 3/25/94";
42 #include <sys/cdefs.h>
43 __FBSDID("$FreeBSD$");
45 #include <sys/param.h>
59 #include "pathnames.h"
62 const char *calendarFile = "calendar"; /* default calendar file */
63 static const char *calendarHomes[] = {".calendar", _PATH_INCLUDE}; /* HOME */
64 static const char *calendarNoMail = "nomail";/* don't sent mail if file exist */
66 static char path[MAXPATHLEN];
68 struct fixs neaster, npaskha, ncny, nfullmoon, nnewmoon;
69 struct fixs nmarequinox, nsepequinox, njunsolstice, ndecsolstice;
71 #define REPLACE(string, slen, struct_) \
72 if (strncasecmp(buf, (string), (slen)) == 0 && buf[(slen)]) { \
73 if (struct_.name != NULL) \
75 if ((struct_.name = strdup(buf + (slen))) == NULL) \
76 errx(1, "cannot allocate memory"); \
77 struct_.len = strlen(buf + (slen)); \
91 char **extradata; /* strings of 20 length */
93 static int d_first = -1;
95 struct event *events[MAXCOUNT];
100 extradata = (char **)calloc(MAXCOUNT, sizeof(char *));
101 for (i = 0; i < MAXCOUNT; i++) {
102 extradata[i] = (char *)calloc(1, 20);
112 if ((fpin = opencalin()) == NULL) {
116 if ((fpout = opencalout()) == NULL) {
121 while ((fpin = fincludegets(buf, sizeof(buf), fpin)) != NULL) {
124 for (l = strlen(buf);
125 l > 0 && isspace((unsigned char)buf[l - 1]);
132 /* Parse special definitions: LANG, Easter, Paskha etc */
133 if (strncmp(buf, "LANG=", 5) == 0) {
134 (void)setlocale(LC_ALL, buf + 5);
135 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
139 REPLACE("Easter=", 7, neaster);
140 REPLACE("Paskha=", 7, npaskha);
141 REPLACE("ChineseNewYear=", 15, ncny);
142 REPLACE("NewMoon=", 8, nnewmoon);
143 REPLACE("FullMoon=", 9, nfullmoon);
144 REPLACE("MarEquinox=", 11, nmarequinox);
145 REPLACE("SepEquinox=", 11, nsepequinox);
146 REPLACE("JunSolstice=", 12, njunsolstice);
147 REPLACE("DecSolstice=", 12, ndecsolstice);
148 if (strncmp(buf, "SEQUENCE=", 9) == 0) {
149 setnsequences(buf + 9);
154 * If the line starts with a tab, the data has to be
155 * added to the previous line
157 if (buf[0] == '\t') {
158 for (i = 0; i < count; i++)
159 event_continue(events[i], buf);
163 /* Get rid of leading spaces (non-standard) */
164 while (isspace((unsigned char)buf[0]))
165 memcpy(buf, buf + 1, strlen(buf));
167 /* No tab in the line, then not a valid line */
168 if ((pp = strchr(buf, '\t')) == NULL)
171 /* Trim spaces in front of the tab */
172 while (isspace((unsigned char)pp[-1]))
177 if ((count = parsedaymonth(buf, year, month, day, &flags,
182 /* Show error status based on return value */
184 fprintf(stderr, "Ignored: %s\n", buf);
190 /* Find the last tab */
191 while (pp[1] == '\t')
195 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
197 for (i = 0; i < count; i++) {
198 tm.tm_mon = month[i] - 1;
200 tm.tm_year = year[i] - 1900;
201 (void)strftime(dbuf, sizeof(dbuf),
202 d_first ? "%e %b" : "%b %e", &tm);
204 fprintf(stderr, "got %s\n", pp);
205 events[i] = event_add(year[i], month[i], day[i], dbuf,
206 ((flags &= F_VARIABLE) != 0) ? 1 : 0, pp,
211 event_print_all(fpout);
224 /* open up calendar file */
225 if ((fpin = fopen(calendarFile, "r")) == NULL) {
227 if (chdir(calendarHomes[0]) != 0)
229 if (stat(calendarNoMail, &sbuf) == 0)
231 if ((fpin = fopen(calendarFile, "r")) == NULL)
234 char *home = getenv("HOME");
235 if (home == NULL || *home == '\0')
236 errx(1, "cannot get home directory");
237 if (chdir(home) != 0)
238 errx(1, "cannot enter home directory");
239 for (found = i = 0; i < sizeof(calendarHomes) /
240 sizeof(calendarHomes[0]); i++)
241 if (chdir(calendarHomes[i]) == 0 &&
242 (fpin = fopen(calendarFile, "r")) != NULL) {
248 "can't open calendar file \"%s\": %s (%d)",
249 calendarFile, strerror(errno), errno);
260 /* not reading all calendar files, just set output to stdout */
264 /* set output to a temporary file, so if no output don't send mail */
265 snprintf(path, sizeof(path), "%s/_calXXXXXX", _PATH_TMP);
266 if ((fd = mkstemp(path)) < 0)
268 return (fdopen(fd, "w+"));
276 int nread, pdes[2], status;
283 if (fstat(fileno(fp), &sbuf) || !sbuf.st_size)
289 (void)close(pdes[0]);
290 (void)close(pdes[1]);
293 /* child -- set stdin to pipe output */
294 if (pdes[0] != STDIN_FILENO) {
295 (void)dup2(pdes[0], STDIN_FILENO);
296 (void)close(pdes[0]);
298 (void)close(pdes[1]);
300 if (setuid(getuid()) < 0) {
301 warnx("setuid failed");
304 if (setgid(getegid()) < 0) {
305 warnx("setgid failed");
308 if (setuid(uid) < 0) {
309 warnx("setuid failed");
312 execl(_PATH_SENDMAIL, "sendmail", "-i", "-t", "-F",
313 "\"Reminder Service\"", (char *)NULL);
314 warn(_PATH_SENDMAIL);
317 /* parent -- write to pipe input */
318 (void)close(pdes[0]);
320 write(pdes[1], "From: \"Reminder Service\" <", 26);
321 write(pdes[1], pw->pw_name, strlen(pw->pw_name));
322 write(pdes[1], ">\nTo: <", 7);
323 write(pdes[1], pw->pw_name, strlen(pw->pw_name));
324 write(pdes[1], ">\nSubject: ", 11);
325 write(pdes[1], dayname, strlen(dayname));
326 write(pdes[1], "'s Calendar\nPrecedence: bulk\n\n", 30);
328 while ((nread = read(fileno(fp), buf, sizeof(buf))) > 0)
329 (void)write(pdes[1], buf, nread);
330 (void)close(pdes[1]);
331 done: (void)fclose(fp);
333 while (wait(&status) >= 0);