1fd1efedcSConrad Meyer /*-
2fd1efedcSConrad Meyer * SPDX-License-Identifier: BSD-3-Clause
3fd1efedcSConrad Meyer *
4fd1efedcSConrad Meyer * Copyright (c) 1989, 1993, 1994
5fd1efedcSConrad Meyer * The Regents of the University of California. All rights reserved.
6fd1efedcSConrad Meyer *
7fd1efedcSConrad Meyer * Redistribution and use in source and binary forms, with or without
8fd1efedcSConrad Meyer * modification, are permitted provided that the following conditions
9fd1efedcSConrad Meyer * are met:
10fd1efedcSConrad Meyer * 1. Redistributions of source code must retain the above copyright
11fd1efedcSConrad Meyer * notice, this list of conditions and the following disclaimer.
12fd1efedcSConrad Meyer * 2. Redistributions in binary form must reproduce the above copyright
13fd1efedcSConrad Meyer * notice, this list of conditions and the following disclaimer in the
14fd1efedcSConrad Meyer * documentation and/or other materials provided with the distribution.
15fd1efedcSConrad Meyer * 3. Neither the name of the University nor the names of its contributors
16fd1efedcSConrad Meyer * may be used to endorse or promote products derived from this software
17fd1efedcSConrad Meyer * without specific prior written permission.
18fd1efedcSConrad Meyer *
19fd1efedcSConrad Meyer * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20fd1efedcSConrad Meyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21fd1efedcSConrad Meyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22fd1efedcSConrad Meyer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23fd1efedcSConrad Meyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24fd1efedcSConrad Meyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25fd1efedcSConrad Meyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26fd1efedcSConrad Meyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27fd1efedcSConrad Meyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28fd1efedcSConrad Meyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29fd1efedcSConrad Meyer * SUCH DAMAGE.
30fd1efedcSConrad Meyer */
31fd1efedcSConrad Meyer
32fd1efedcSConrad Meyer #include <sys/param.h>
33fd1efedcSConrad Meyer #include <sys/stat.h>
34fd1efedcSConrad Meyer #include <sys/wait.h>
35fd1efedcSConrad Meyer #include <ctype.h>
36fd1efedcSConrad Meyer #include <err.h>
37fd1efedcSConrad Meyer #include <errno.h>
380a82cd4fSKyle Evans #include <fcntl.h>
396f139d79SStefan Eßer #include <libutil.h>
40fd1efedcSConrad Meyer #include <locale.h>
41fd1efedcSConrad Meyer #include <pwd.h>
42fd1efedcSConrad Meyer #include <stdbool.h>
43fd1efedcSConrad Meyer #include <stdio.h>
44fd1efedcSConrad Meyer #include <stdlib.h>
45fd1efedcSConrad Meyer #include <string.h>
46fd1efedcSConrad Meyer #include <stringlist.h>
47fd1efedcSConrad Meyer #include <time.h>
48fd1efedcSConrad Meyer #include <unistd.h>
49fd1efedcSConrad Meyer
50fd1efedcSConrad Meyer #include "pathnames.h"
51fd1efedcSConrad Meyer #include "calendar.h"
52fd1efedcSConrad Meyer
53fd1efedcSConrad Meyer enum {
54fd1efedcSConrad Meyer T_OK = 0,
55fd1efedcSConrad Meyer T_ERR,
56fd1efedcSConrad Meyer T_PROCESS,
57fd1efedcSConrad Meyer };
58fd1efedcSConrad Meyer
59fd1efedcSConrad Meyer const char *calendarFile = "calendar"; /* default calendar file */
6034b38e12SStefan Eßer static const char *calendarHomes[] = {".calendar", _PATH_INCLUDE_LOCAL, _PATH_INCLUDE}; /* HOME */
61fd1efedcSConrad Meyer static const char *calendarNoMail = "nomail";/* don't sent mail if file exist */
62fd1efedcSConrad Meyer
63fd1efedcSConrad Meyer static char path[MAXPATHLEN];
641462201cSStefan Eßer static const char *cal_home;
651462201cSStefan Eßer static const char *cal_dir;
661462201cSStefan Eßer static const char *cal_file;
671462201cSStefan Eßer static int cal_line;
68fd1efedcSConrad Meyer
69fd1efedcSConrad Meyer struct fixs neaster, npaskha, ncny, nfullmoon, nnewmoon;
70fd1efedcSConrad Meyer struct fixs nmarequinox, nsepequinox, njunsolstice, ndecsolstice;
71fd1efedcSConrad Meyer
72fd1efedcSConrad Meyer static int cal_parse(FILE *in, FILE *out);
73fd1efedcSConrad Meyer
74fd1efedcSConrad Meyer static StringList *definitions = NULL;
75fd1efedcSConrad Meyer static struct event *events[MAXCOUNT];
76fd1efedcSConrad Meyer static char *extradata[MAXCOUNT];
77fd1efedcSConrad Meyer
78cc9fbfafSStefan Eßer static char *
trimlr(char ** buf)79fd1efedcSConrad Meyer trimlr(char **buf)
80fd1efedcSConrad Meyer {
81fd1efedcSConrad Meyer char *walk = *buf;
82cc9fbfafSStefan Eßer char *sep;
83fd1efedcSConrad Meyer char *last;
84fd1efedcSConrad Meyer
85fd1efedcSConrad Meyer while (isspace(*walk))
86fd1efedcSConrad Meyer walk++;
87cc9fbfafSStefan Eßer *buf = walk;
88cc9fbfafSStefan Eßer
89cc9fbfafSStefan Eßer sep = walk;
90cc9fbfafSStefan Eßer while (*sep != '\0' && !isspace(*sep))
91cc9fbfafSStefan Eßer sep++;
92cc9fbfafSStefan Eßer
93cc9fbfafSStefan Eßer if (*sep != '\0') {
94cc9fbfafSStefan Eßer last = sep + strlen(sep) - 1;
95fd1efedcSConrad Meyer while (last > walk && isspace(*last))
96fd1efedcSConrad Meyer last--;
97fd1efedcSConrad Meyer *(last+1) = 0;
98fd1efedcSConrad Meyer }
99fd1efedcSConrad Meyer
100cc9fbfafSStefan Eßer return (sep);
101fd1efedcSConrad Meyer }
102fd1efedcSConrad Meyer
103fd1efedcSConrad Meyer static FILE *
cal_fopen(const char * file)104fd1efedcSConrad Meyer cal_fopen(const char *file)
105fd1efedcSConrad Meyer {
1060a82cd4fSKyle Evans static int cwdfd = -1;
107fd1efedcSConrad Meyer FILE *fp;
108fd1efedcSConrad Meyer char *home = getenv("HOME");
109fd1efedcSConrad Meyer unsigned int i;
1100a82cd4fSKyle Evans int fd;
111d20d6550SWarner Losh struct stat sb;
112d20d6550SWarner Losh static bool warned = false;
113e163cae7SStefan Eßer static char calendarhome[MAXPATHLEN];
114fd1efedcSConrad Meyer
115fd1efedcSConrad Meyer if (home == NULL || *home == '\0') {
116fd1efedcSConrad Meyer warnx("Cannot get home directory");
117fd1efedcSConrad Meyer return (NULL);
118fd1efedcSConrad Meyer }
119fd1efedcSConrad Meyer
1200a82cd4fSKyle Evans /*
1210a82cd4fSKyle Evans * On -a runs, we would have done a chdir() earlier on, but we also
1220a82cd4fSKyle Evans * shouldn't have used the initial cwd anyways lest we bring
1230a82cd4fSKyle Evans * unpredictable behavior upon us.
1240a82cd4fSKyle Evans */
1250a82cd4fSKyle Evans if (!doall && cwdfd == -1) {
1260a82cd4fSKyle Evans cwdfd = open(".", O_DIRECTORY | O_PATH);
1270a82cd4fSKyle Evans if (cwdfd == -1)
1280a82cd4fSKyle Evans err(1, "open(cwd)");
1290a82cd4fSKyle Evans }
1300a82cd4fSKyle Evans
1310a82cd4fSKyle Evans /*
1320a82cd4fSKyle Evans * Check $PWD first as documented.
1330a82cd4fSKyle Evans */
1340a82cd4fSKyle Evans if (cwdfd != -1) {
1350a82cd4fSKyle Evans if ((fd = openat(cwdfd, file, O_RDONLY)) != -1) {
1360a82cd4fSKyle Evans if ((fp = fdopen(fd, "r")) == NULL)
1370a82cd4fSKyle Evans err(1, "fdopen(%s)", file);
1380a82cd4fSKyle Evans
1390a82cd4fSKyle Evans cal_home = NULL;
1400a82cd4fSKyle Evans cal_dir = NULL;
1410a82cd4fSKyle Evans cal_file = file;
1420a82cd4fSKyle Evans return (fp);
1430a82cd4fSKyle Evans } else if (errno != ENOENT && errno != ENAMETOOLONG) {
1440a82cd4fSKyle Evans err(1, "open(%s)", file);
1450a82cd4fSKyle Evans }
1460a82cd4fSKyle Evans }
1470a82cd4fSKyle Evans
148fd1efedcSConrad Meyer if (chdir(home) != 0) {
1491462201cSStefan Eßer warnx("Cannot enter home directory \"%s\"", home);
150fd1efedcSConrad Meyer return (NULL);
151fd1efedcSConrad Meyer }
152fd1efedcSConrad Meyer
153fd1efedcSConrad Meyer for (i = 0; i < nitems(calendarHomes); i++) {
1546f139d79SStefan Eßer if (snprintf(calendarhome, sizeof (calendarhome), calendarHomes[i],
1556f139d79SStefan Eßer getlocalbase()) >= (int)sizeof (calendarhome))
1566f139d79SStefan Eßer continue;
1576f139d79SStefan Eßer
1586f139d79SStefan Eßer if (chdir(calendarhome) != 0)
159fd1efedcSConrad Meyer continue;
160fd1efedcSConrad Meyer
1611462201cSStefan Eßer if ((fp = fopen(file, "r")) != NULL) {
1621462201cSStefan Eßer cal_home = home;
1636f139d79SStefan Eßer cal_dir = calendarhome;
1641462201cSStefan Eßer cal_file = file;
165fd1efedcSConrad Meyer return (fp);
166fd1efedcSConrad Meyer }
1671462201cSStefan Eßer }
168fd1efedcSConrad Meyer
169fd1efedcSConrad Meyer warnx("can't open calendar file \"%s\"", file);
17065e9eb07SDavid E. O'Brien if (!warned) {
17165e9eb07SDavid E. O'Brien snprintf(path, sizeof(path), _PATH_INCLUDE_LOCAL, getlocalbase());
17265e9eb07SDavid E. O'Brien if (stat(path, &sb) != 0) {
173d20d6550SWarner Losh warnx("calendar data files now provided by calendar-data pkg.");
174d20d6550SWarner Losh warned = true;
175d20d6550SWarner Losh }
17665e9eb07SDavid E. O'Brien }
177fd1efedcSConrad Meyer
178fd1efedcSConrad Meyer return (NULL);
179fd1efedcSConrad Meyer }
180fd1efedcSConrad Meyer
181ab34af07SStefan Eßer static char*
cal_path(void)182ab34af07SStefan Eßer cal_path(void)
183ab34af07SStefan Eßer {
184ab34af07SStefan Eßer static char buffer[MAXPATHLEN + 10];
185ab34af07SStefan Eßer
1862ceb17a8SStefan Eßer if (cal_dir == NULL)
1872ceb17a8SStefan Eßer snprintf(buffer, sizeof(buffer), "%s", cal_file);
1882ceb17a8SStefan Eßer else if (cal_dir[0] == '/')
189ab34af07SStefan Eßer snprintf(buffer, sizeof(buffer), "%s/%s", cal_dir, cal_file);
190ab34af07SStefan Eßer else
191ab34af07SStefan Eßer snprintf(buffer, sizeof(buffer), "%s/%s/%s", cal_home, cal_dir, cal_file);
192ab34af07SStefan Eßer return (buffer);
193ab34af07SStefan Eßer }
194ab34af07SStefan Eßer
1951462201cSStefan Eßer #define WARN0(format) \
196ab34af07SStefan Eßer warnx(format " in %s line %d", cal_path(), cal_line)
1971462201cSStefan Eßer #define WARN1(format, arg1) \
198ab34af07SStefan Eßer warnx(format " in %s line %d", arg1, cal_path(), cal_line)
1991462201cSStefan Eßer
2000357fa26SStefan Eßer static char*
cmptoken(char * line,const char * token)2010357fa26SStefan Eßer cmptoken(char *line, const char* token)
2020357fa26SStefan Eßer {
2030357fa26SStefan Eßer char len = strlen(token);
2040357fa26SStefan Eßer
2050357fa26SStefan Eßer if (strncmp(line, token, len) != 0)
2060357fa26SStefan Eßer return NULL;
2070357fa26SStefan Eßer return (line + len);
2080357fa26SStefan Eßer }
2090357fa26SStefan Eßer
210fd1efedcSConrad Meyer static int
token(char * line,FILE * out,int * skip,int * unskip)2118e8c5da4SStefan Eßer token(char *line, FILE *out, int *skip, int *unskip)
212fd1efedcSConrad Meyer {
213cc9fbfafSStefan Eßer char *walk, *sep, a, c;
2141462201cSStefan Eßer const char *this_cal_home;
2151462201cSStefan Eßer const char *this_cal_dir;
2161462201cSStefan Eßer const char *this_cal_file;
2171462201cSStefan Eßer int this_cal_line;
218fd1efedcSConrad Meyer
2190357fa26SStefan Eßer while (isspace(*line))
2200357fa26SStefan Eßer line++;
2210357fa26SStefan Eßer
2220357fa26SStefan Eßer if (cmptoken(line, "endif")) {
2232ceb17a8SStefan Eßer if (*skip + *unskip == 0) {
2248e8c5da4SStefan Eßer WARN0("#endif without prior #ifdef or #ifndef");
2258e8c5da4SStefan Eßer return (T_ERR);
2268e8c5da4SStefan Eßer }
2272ceb17a8SStefan Eßer if (*skip > 0)
2282ceb17a8SStefan Eßer --*skip;
2292ceb17a8SStefan Eßer else
2302ceb17a8SStefan Eßer --*unskip;
2318e8c5da4SStefan Eßer
232fd1efedcSConrad Meyer return (T_OK);
233fd1efedcSConrad Meyer }
234fd1efedcSConrad Meyer
2350357fa26SStefan Eßer walk = cmptoken(line, "ifdef");
2360357fa26SStefan Eßer if (walk != NULL) {
237cc9fbfafSStefan Eßer sep = trimlr(&walk);
23819b5c307SStefan Eßer
23919b5c307SStefan Eßer if (*walk == '\0') {
2401462201cSStefan Eßer WARN0("Expecting arguments after #ifdef");
24119b5c307SStefan Eßer return (T_ERR);
24219b5c307SStefan Eßer }
243cc9fbfafSStefan Eßer if (*sep != '\0') {
244cc9fbfafSStefan Eßer WARN1("Expecting a single word after #ifdef "
245cc9fbfafSStefan Eßer "but got \"%s\"", walk);
246cc9fbfafSStefan Eßer return (T_ERR);
247cc9fbfafSStefan Eßer }
24819b5c307SStefan Eßer
249cc9fbfafSStefan Eßer if (*skip != 0 ||
250cc9fbfafSStefan Eßer definitions == NULL || sl_find(definitions, walk) == NULL)
25119b5c307SStefan Eßer ++*skip;
2528e8c5da4SStefan Eßer else
2538e8c5da4SStefan Eßer ++*unskip;
25419b5c307SStefan Eßer
25519b5c307SStefan Eßer return (T_OK);
25619b5c307SStefan Eßer }
25719b5c307SStefan Eßer
2580357fa26SStefan Eßer walk = cmptoken(line, "ifndef");
2590357fa26SStefan Eßer if (walk != NULL) {
260cc9fbfafSStefan Eßer sep = trimlr(&walk);
26119b5c307SStefan Eßer
26219b5c307SStefan Eßer if (*walk == '\0') {
2631462201cSStefan Eßer WARN0("Expecting arguments after #ifndef");
26419b5c307SStefan Eßer return (T_ERR);
26519b5c307SStefan Eßer }
266cc9fbfafSStefan Eßer if (*sep != '\0') {
267cc9fbfafSStefan Eßer WARN1("Expecting a single word after #ifndef "
268cc9fbfafSStefan Eßer "but got \"%s\"", walk);
269cc9fbfafSStefan Eßer return (T_ERR);
270cc9fbfafSStefan Eßer }
27119b5c307SStefan Eßer
272cc9fbfafSStefan Eßer if (*skip != 0 ||
273cc9fbfafSStefan Eßer (definitions != NULL && sl_find(definitions, walk) != NULL))
27419b5c307SStefan Eßer ++*skip;
2758e8c5da4SStefan Eßer else
2768e8c5da4SStefan Eßer ++*unskip;
27719b5c307SStefan Eßer
27819b5c307SStefan Eßer return (T_OK);
27919b5c307SStefan Eßer }
28019b5c307SStefan Eßer
2810357fa26SStefan Eßer walk = cmptoken(line, "else");
2820357fa26SStefan Eßer if (walk != NULL) {
283cc9fbfafSStefan Eßer (void)trimlr(&walk);
28419b5c307SStefan Eßer
28519b5c307SStefan Eßer if (*walk != '\0') {
2861462201cSStefan Eßer WARN0("Expecting no arguments after #else");
28719b5c307SStefan Eßer return (T_ERR);
28819b5c307SStefan Eßer }
2892ceb17a8SStefan Eßer if (*skip + *unskip == 0) {
2908e8c5da4SStefan Eßer WARN0("#else without prior #ifdef or #ifndef");
2918e8c5da4SStefan Eßer return (T_ERR);
2928e8c5da4SStefan Eßer }
2932ceb17a8SStefan Eßer
2942ceb17a8SStefan Eßer if (*skip == 0) {
2952ceb17a8SStefan Eßer ++*skip;
2962ceb17a8SStefan Eßer --*unskip;
2972ceb17a8SStefan Eßer } else if (*skip == 1) {
2982ceb17a8SStefan Eßer --*skip;
2992ceb17a8SStefan Eßer ++*unskip;
3008e8c5da4SStefan Eßer }
30119b5c307SStefan Eßer
30219b5c307SStefan Eßer return (T_OK);
30319b5c307SStefan Eßer }
30419b5c307SStefan Eßer
30519b5c307SStefan Eßer if (*skip != 0)
306fd1efedcSConrad Meyer return (T_OK);
307fd1efedcSConrad Meyer
3080357fa26SStefan Eßer walk = cmptoken(line, "include");
3090357fa26SStefan Eßer if (walk != NULL) {
310cc9fbfafSStefan Eßer (void)trimlr(&walk);
311fd1efedcSConrad Meyer
312fd1efedcSConrad Meyer if (*walk == '\0') {
3131462201cSStefan Eßer WARN0("Expecting arguments after #include");
314fd1efedcSConrad Meyer return (T_ERR);
315fd1efedcSConrad Meyer }
316fd1efedcSConrad Meyer
317fd1efedcSConrad Meyer if (*walk != '<' && *walk != '\"') {
3181462201cSStefan Eßer WARN0("Excecting '<' or '\"' after #include");
319fd1efedcSConrad Meyer return (T_ERR);
320fd1efedcSConrad Meyer }
321fd1efedcSConrad Meyer
322ac04cf18SStefan Eßer a = *walk == '<' ? '>' : '\"';
323fd1efedcSConrad Meyer walk++;
324fd1efedcSConrad Meyer c = walk[strlen(walk) - 1];
325fd1efedcSConrad Meyer
326ac04cf18SStefan Eßer if (a != c) {
3271462201cSStefan Eßer WARN1("Unterminated include expecting '%c'", a);
328fd1efedcSConrad Meyer return (T_ERR);
329fd1efedcSConrad Meyer }
330fd1efedcSConrad Meyer walk[strlen(walk) - 1] = '\0';
331fd1efedcSConrad Meyer
3321462201cSStefan Eßer this_cal_home = cal_home;
3331462201cSStefan Eßer this_cal_dir = cal_dir;
3341462201cSStefan Eßer this_cal_file = cal_file;
3351462201cSStefan Eßer this_cal_line = cal_line;
336fd1efedcSConrad Meyer if (cal_parse(cal_fopen(walk), out))
337fd1efedcSConrad Meyer return (T_ERR);
3381462201cSStefan Eßer cal_home = this_cal_home;
3391462201cSStefan Eßer cal_dir = this_cal_dir;
3401462201cSStefan Eßer cal_file = this_cal_file;
3411462201cSStefan Eßer cal_line = this_cal_line;
342fd1efedcSConrad Meyer
343fd1efedcSConrad Meyer return (T_OK);
344fd1efedcSConrad Meyer }
345fd1efedcSConrad Meyer
3460357fa26SStefan Eßer walk = cmptoken(line, "define");
3470357fa26SStefan Eßer if (walk != NULL) {
348fd1efedcSConrad Meyer if (definitions == NULL)
349fd1efedcSConrad Meyer definitions = sl_init();
350cc9fbfafSStefan Eßer sep = trimlr(&walk);
351cc9fbfafSStefan Eßer *sep = '\0';
352fd1efedcSConrad Meyer
353fd1efedcSConrad Meyer if (*walk == '\0') {
3541462201cSStefan Eßer WARN0("Expecting arguments after #define");
355fd1efedcSConrad Meyer return (T_ERR);
356fd1efedcSConrad Meyer }
357fd1efedcSConrad Meyer
3588e8c5da4SStefan Eßer if (sl_find(definitions, walk) == NULL)
359fd1efedcSConrad Meyer sl_add(definitions, strdup(walk));
360fd1efedcSConrad Meyer return (T_OK);
361fd1efedcSConrad Meyer }
362fd1efedcSConrad Meyer
3630357fa26SStefan Eßer walk = cmptoken(line, "undef");
3640357fa26SStefan Eßer if (walk != NULL) {
3658e8c5da4SStefan Eßer if (definitions != NULL) {
366cc9fbfafSStefan Eßer sep = trimlr(&walk);
3678e8c5da4SStefan Eßer
3688e8c5da4SStefan Eßer if (*walk == '\0') {
3698e8c5da4SStefan Eßer WARN0("Expecting arguments after #undef");
3708e8c5da4SStefan Eßer return (T_ERR);
3718e8c5da4SStefan Eßer }
372cc9fbfafSStefan Eßer if (*sep != '\0') {
373cc9fbfafSStefan Eßer WARN1("Expecting a single word after #undef "
374cc9fbfafSStefan Eßer "but got \"%s\"", walk);
375cc9fbfafSStefan Eßer return (T_ERR);
376cc9fbfafSStefan Eßer }
3778e8c5da4SStefan Eßer
3788e8c5da4SStefan Eßer walk = sl_find(definitions, walk);
3798e8c5da4SStefan Eßer if (walk != NULL)
3808e8c5da4SStefan Eßer walk[0] = '\0';
3818e8c5da4SStefan Eßer }
3828e8c5da4SStefan Eßer return (T_OK);
3838e8c5da4SStefan Eßer }
3848e8c5da4SStefan Eßer
3850357fa26SStefan Eßer walk = cmptoken(line, "warning");
3860357fa26SStefan Eßer if (walk != NULL) {
3870357fa26SStefan Eßer (void)trimlr(&walk);
3880357fa26SStefan Eßer WARN1("Warning: %s", walk);
3890357fa26SStefan Eßer }
390fd1efedcSConrad Meyer
3910357fa26SStefan Eßer walk = cmptoken(line, "error");
3920357fa26SStefan Eßer if (walk != NULL) {
3930357fa26SStefan Eßer (void)trimlr(&walk);
3940357fa26SStefan Eßer WARN1("Error: %s", walk);
3950357fa26SStefan Eßer return (T_ERR);
3960357fa26SStefan Eßer }
3970357fa26SStefan Eßer
3980357fa26SStefan Eßer WARN1("Undefined pre-processor command \"#%s\"", line);
3990357fa26SStefan Eßer return (T_ERR);
4000357fa26SStefan Eßer }
4010357fa26SStefan Eßer
4020357fa26SStefan Eßer static void
setup_locale(const char * locale)4030357fa26SStefan Eßer setup_locale(const char *locale)
4040357fa26SStefan Eßer {
4050357fa26SStefan Eßer (void)setlocale(LC_ALL, locale);
4060357fa26SStefan Eßer #ifdef WITH_ICONV
4070357fa26SStefan Eßer if (!doall)
4080357fa26SStefan Eßer set_new_encoding();
4090357fa26SStefan Eßer #endif
4100357fa26SStefan Eßer setnnames();
411fd1efedcSConrad Meyer }
412fd1efedcSConrad Meyer
413fd1efedcSConrad Meyer #define REPLACE(string, slen, struct_) \
414fd1efedcSConrad Meyer if (strncasecmp(buf, (string), (slen)) == 0 && buf[(slen)]) { \
415fd1efedcSConrad Meyer if (struct_.name != NULL) \
416fd1efedcSConrad Meyer free(struct_.name); \
417fd1efedcSConrad Meyer if ((struct_.name = strdup(buf + (slen))) == NULL) \
418fd1efedcSConrad Meyer errx(1, "cannot allocate memory"); \
419fd1efedcSConrad Meyer struct_.len = strlen(buf + (slen)); \
420fd1efedcSConrad Meyer continue; \
421fd1efedcSConrad Meyer }
422fd1efedcSConrad Meyer static int
cal_parse(FILE * in,FILE * out)423fd1efedcSConrad Meyer cal_parse(FILE *in, FILE *out)
424fd1efedcSConrad Meyer {
4250357fa26SStefan Eßer char *mylocale = NULL;
426fd1efedcSConrad Meyer char *line = NULL;
42735b8fd0bSStefan Eßer char *buf, *bufp;
428fd1efedcSConrad Meyer size_t linecap = 0;
429fd1efedcSConrad Meyer ssize_t linelen;
430fd1efedcSConrad Meyer ssize_t l;
431fd1efedcSConrad Meyer static int count = 0;
432fd1efedcSConrad Meyer int i;
433fd1efedcSConrad Meyer int month[MAXCOUNT];
434fd1efedcSConrad Meyer int day[MAXCOUNT];
435fd1efedcSConrad Meyer int year[MAXCOUNT];
43619b5c307SStefan Eßer int skip = 0;
4378e8c5da4SStefan Eßer int unskip = 0;
438fd1efedcSConrad Meyer char *pp, p;
439fd1efedcSConrad Meyer int flags;
4400f352f4eSStefan Eßer char *c, *cc;
4410f352f4eSStefan Eßer bool incomment = false;
442fd1efedcSConrad Meyer
443fd1efedcSConrad Meyer if (in == NULL)
444fd1efedcSConrad Meyer return (1);
445fd1efedcSConrad Meyer
4461462201cSStefan Eßer cal_line = 0;
447fd1efedcSConrad Meyer while ((linelen = getline(&line, &linecap, in)) > 0) {
4481462201cSStefan Eßer cal_line++;
4490f352f4eSStefan Eßer buf = line;
4500f352f4eSStefan Eßer if (buf[linelen - 1] == '\n')
4510f352f4eSStefan Eßer buf[--linelen] = '\0';
4520f352f4eSStefan Eßer
4530f352f4eSStefan Eßer if (incomment) {
4540f352f4eSStefan Eßer c = strstr(buf, "*/");
4550f352f4eSStefan Eßer if (c) {
4560f352f4eSStefan Eßer c += 2;
4570f352f4eSStefan Eßer linelen -= c - buf;
4580f352f4eSStefan Eßer buf = c;
4590f352f4eSStefan Eßer incomment = false;
4600f352f4eSStefan Eßer } else {
4610f352f4eSStefan Eßer continue;
4620f352f4eSStefan Eßer }
4630f352f4eSStefan Eßer }
4640f352f4eSStefan Eßer if (!incomment) {
46535b8fd0bSStefan Eßer bufp = buf;
4660f352f4eSStefan Eßer do {
46735b8fd0bSStefan Eßer c = strstr(bufp, "//");
46835b8fd0bSStefan Eßer cc = strstr(bufp, "/*");
4690f352f4eSStefan Eßer if (c != NULL && (cc == NULL || c - cc < 0)) {
47035b8fd0bSStefan Eßer bufp = c + 2;
47135b8fd0bSStefan Eßer /* ignore "//" within string to allow it in an URL */
47235b8fd0bSStefan Eßer if (c == buf || isspace(c[-1])) {
4736bdb89a8SStefan Eßer /* single line comment */
4740f352f4eSStefan Eßer *c = '\0';
4750f352f4eSStefan Eßer linelen = c - buf;
4760f352f4eSStefan Eßer break;
47735b8fd0bSStefan Eßer }
4780f352f4eSStefan Eßer } else if (cc != NULL) {
4790f352f4eSStefan Eßer c = strstr(cc + 2, "*/");
48035b8fd0bSStefan Eßer if (c != NULL) { // 'a /* b */ c' -- cc=2, c=7+2
4816bdb89a8SStefan Eßer /* multi-line comment ending on same line */
4820f352f4eSStefan Eßer c += 2;
4836bdb89a8SStefan Eßer memmove(cc, c, buf + linelen + 1 - c);
4840f352f4eSStefan Eßer linelen -= c - cc;
48535b8fd0bSStefan Eßer bufp = cc;
4860f352f4eSStefan Eßer } else {
4876bdb89a8SStefan Eßer /* multi-line comment */
4880f352f4eSStefan Eßer *cc = '\0';
4890f352f4eSStefan Eßer linelen = cc - buf;
4900f352f4eSStefan Eßer incomment = true;
4910f352f4eSStefan Eßer break;
4920f352f4eSStefan Eßer }
4930f352f4eSStefan Eßer }
4940f352f4eSStefan Eßer } while (c != NULL || cc != NULL);
4950f352f4eSStefan Eßer }
4960f352f4eSStefan Eßer
4970f352f4eSStefan Eßer for (l = linelen;
4980f352f4eSStefan Eßer l > 0 && isspace((unsigned char)buf[l - 1]);
4990f352f4eSStefan Eßer l--)
5000f352f4eSStefan Eßer ;
5010f352f4eSStefan Eßer buf[l] = '\0';
5020f352f4eSStefan Eßer if (buf[0] == '\0')
5030f352f4eSStefan Eßer continue;
5040f352f4eSStefan Eßer
5050f352f4eSStefan Eßer if (buf == line && *buf == '#') {
5068e8c5da4SStefan Eßer switch (token(buf+1, out, &skip, &unskip)) {
507fd1efedcSConrad Meyer case T_ERR:
508fd1efedcSConrad Meyer free(line);
509fd1efedcSConrad Meyer return (1);
510fd1efedcSConrad Meyer case T_OK:
511fd1efedcSConrad Meyer continue;
512fd1efedcSConrad Meyer case T_PROCESS:
513fd1efedcSConrad Meyer break;
514fd1efedcSConrad Meyer default:
515fd1efedcSConrad Meyer break;
516fd1efedcSConrad Meyer }
517fd1efedcSConrad Meyer }
518fd1efedcSConrad Meyer
51919b5c307SStefan Eßer if (skip != 0)
520fd1efedcSConrad Meyer continue;
521fd1efedcSConrad Meyer
522fd1efedcSConrad Meyer /*
523fd1efedcSConrad Meyer * Setting LANG in user's calendar was an old workaround
524fd1efedcSConrad Meyer * for 'calendar -a' being run with C locale to properly
525fd1efedcSConrad Meyer * print user's calendars in their native languages.
526fd1efedcSConrad Meyer * Now that 'calendar -a' does fork with setusercontext(),
527fd1efedcSConrad Meyer * and does not run iconv(), this variable has little use.
528fd1efedcSConrad Meyer */
529fd1efedcSConrad Meyer if (strncmp(buf, "LANG=", 5) == 0) {
5300357fa26SStefan Eßer if (mylocale == NULL)
5310357fa26SStefan Eßer mylocale = strdup(setlocale(LC_ALL, NULL));
5320357fa26SStefan Eßer setup_locale(buf + 5);
533fd1efedcSConrad Meyer continue;
534fd1efedcSConrad Meyer }
535fd1efedcSConrad Meyer /* Parse special definitions: Easter, Paskha etc */
536fd1efedcSConrad Meyer REPLACE("Easter=", 7, neaster);
537fd1efedcSConrad Meyer REPLACE("Paskha=", 7, npaskha);
538fd1efedcSConrad Meyer REPLACE("ChineseNewYear=", 15, ncny);
539fd1efedcSConrad Meyer REPLACE("NewMoon=", 8, nnewmoon);
540fd1efedcSConrad Meyer REPLACE("FullMoon=", 9, nfullmoon);
541fd1efedcSConrad Meyer REPLACE("MarEquinox=", 11, nmarequinox);
542fd1efedcSConrad Meyer REPLACE("SepEquinox=", 11, nsepequinox);
543fd1efedcSConrad Meyer REPLACE("JunSolstice=", 12, njunsolstice);
544fd1efedcSConrad Meyer REPLACE("DecSolstice=", 12, ndecsolstice);
545fd1efedcSConrad Meyer if (strncmp(buf, "SEQUENCE=", 9) == 0) {
546fd1efedcSConrad Meyer setnsequences(buf + 9);
547fd1efedcSConrad Meyer continue;
548fd1efedcSConrad Meyer }
549fd1efedcSConrad Meyer
550fd1efedcSConrad Meyer /*
551fd1efedcSConrad Meyer * If the line starts with a tab, the data has to be
552fd1efedcSConrad Meyer * added to the previous line
553fd1efedcSConrad Meyer */
554fd1efedcSConrad Meyer if (buf[0] == '\t') {
555fd1efedcSConrad Meyer for (i = 0; i < count; i++)
556fd1efedcSConrad Meyer event_continue(events[i], buf);
557fd1efedcSConrad Meyer continue;
558fd1efedcSConrad Meyer }
559fd1efedcSConrad Meyer
560fd1efedcSConrad Meyer /* Get rid of leading spaces (non-standard) */
561fd1efedcSConrad Meyer while (isspace((unsigned char)buf[0]))
562fd1efedcSConrad Meyer memcpy(buf, buf + 1, strlen(buf));
563fd1efedcSConrad Meyer
564fd1efedcSConrad Meyer /* No tab in the line, then not a valid line */
565fd1efedcSConrad Meyer if ((pp = strchr(buf, '\t')) == NULL)
566fd1efedcSConrad Meyer continue;
567fd1efedcSConrad Meyer
568fd1efedcSConrad Meyer /* Trim spaces in front of the tab */
569fd1efedcSConrad Meyer while (isspace((unsigned char)pp[-1]))
570fd1efedcSConrad Meyer pp--;
571fd1efedcSConrad Meyer
572fd1efedcSConrad Meyer p = *pp;
573fd1efedcSConrad Meyer *pp = '\0';
574fd1efedcSConrad Meyer if ((count = parsedaymonth(buf, year, month, day, &flags,
575fd1efedcSConrad Meyer extradata)) == 0)
576fd1efedcSConrad Meyer continue;
577fd1efedcSConrad Meyer *pp = p;
578fd1efedcSConrad Meyer if (count < 0) {
579fd1efedcSConrad Meyer /* Show error status based on return value */
580fd1efedcSConrad Meyer if (debug)
5818e8c5da4SStefan Eßer WARN1("Ignored: \"%s\"", buf);
582fd1efedcSConrad Meyer if (count == -1)
583fd1efedcSConrad Meyer continue;
584fd1efedcSConrad Meyer count = -count + 1;
585fd1efedcSConrad Meyer }
586fd1efedcSConrad Meyer
587fd1efedcSConrad Meyer /* Find the last tab */
588fd1efedcSConrad Meyer while (pp[1] == '\t')
589fd1efedcSConrad Meyer pp++;
590fd1efedcSConrad Meyer
591fd1efedcSConrad Meyer for (i = 0; i < count; i++) {
592fd1efedcSConrad Meyer if (debug)
5938e8c5da4SStefan Eßer WARN1("got \"%s\"", pp);
5942ceb17a8SStefan Eßer events[i] = event_add(year[i], month[i], day[i],
595fd1efedcSConrad Meyer ((flags &= F_VARIABLE) != 0) ? 1 : 0, pp,
596fd1efedcSConrad Meyer extradata[i]);
597fd1efedcSConrad Meyer }
598fd1efedcSConrad Meyer }
5998e8c5da4SStefan Eßer while (skip-- > 0 || unskip-- > 0) {
6008e8c5da4SStefan Eßer cal_line++;
6018e8c5da4SStefan Eßer WARN0("Missing #endif assumed");
6028e8c5da4SStefan Eßer }
603fd1efedcSConrad Meyer
604fd1efedcSConrad Meyer free(line);
605fd1efedcSConrad Meyer fclose(in);
6060357fa26SStefan Eßer if (mylocale != NULL) {
6070357fa26SStefan Eßer setup_locale(mylocale);
6080357fa26SStefan Eßer free(mylocale);
6090357fa26SStefan Eßer }
610fd1efedcSConrad Meyer
611fd1efedcSConrad Meyer return (0);
612fd1efedcSConrad Meyer }
613fd1efedcSConrad Meyer
614fd1efedcSConrad Meyer void
cal(void)615fd1efedcSConrad Meyer cal(void)
616fd1efedcSConrad Meyer {
617fd1efedcSConrad Meyer FILE *fpin;
618fd1efedcSConrad Meyer FILE *fpout;
619fd1efedcSConrad Meyer int i;
620fd1efedcSConrad Meyer
621fd1efedcSConrad Meyer for (i = 0; i < MAXCOUNT; i++)
622fd1efedcSConrad Meyer extradata[i] = (char *)calloc(1, 20);
623fd1efedcSConrad Meyer
624fd1efedcSConrad Meyer
625fd1efedcSConrad Meyer if ((fpin = opencalin()) == NULL)
626fd1efedcSConrad Meyer return;
627fd1efedcSConrad Meyer
628fd1efedcSConrad Meyer if ((fpout = opencalout()) == NULL) {
629fd1efedcSConrad Meyer fclose(fpin);
630fd1efedcSConrad Meyer return;
631fd1efedcSConrad Meyer }
632fd1efedcSConrad Meyer
633fd1efedcSConrad Meyer if (cal_parse(fpin, fpout))
634fd1efedcSConrad Meyer return;
635fd1efedcSConrad Meyer
636fd1efedcSConrad Meyer event_print_all(fpout);
637fd1efedcSConrad Meyer closecal(fpout);
638fd1efedcSConrad Meyer }
639fd1efedcSConrad Meyer
640fd1efedcSConrad Meyer FILE *
opencalin(void)641fd1efedcSConrad Meyer opencalin(void)
642fd1efedcSConrad Meyer {
643fd1efedcSConrad Meyer struct stat sbuf;
644fd1efedcSConrad Meyer FILE *fpin;
645fd1efedcSConrad Meyer
646fd1efedcSConrad Meyer /* open up calendar file */
6472ceb17a8SStefan Eßer cal_file = calendarFile;
648fd1efedcSConrad Meyer if ((fpin = fopen(calendarFile, "r")) == NULL) {
649fd1efedcSConrad Meyer if (doall) {
650fd1efedcSConrad Meyer if (chdir(calendarHomes[0]) != 0)
651fd1efedcSConrad Meyer return (NULL);
652fd1efedcSConrad Meyer if (stat(calendarNoMail, &sbuf) == 0)
653fd1efedcSConrad Meyer return (NULL);
654fd1efedcSConrad Meyer if ((fpin = fopen(calendarFile, "r")) == NULL)
655fd1efedcSConrad Meyer return (NULL);
656fd1efedcSConrad Meyer } else {
657fd1efedcSConrad Meyer fpin = cal_fopen(calendarFile);
658fd1efedcSConrad Meyer }
659fd1efedcSConrad Meyer }
660fd1efedcSConrad Meyer return (fpin);
661fd1efedcSConrad Meyer }
662fd1efedcSConrad Meyer
663fd1efedcSConrad Meyer FILE *
opencalout(void)664fd1efedcSConrad Meyer opencalout(void)
665fd1efedcSConrad Meyer {
666fd1efedcSConrad Meyer int fd;
667fd1efedcSConrad Meyer
668fd1efedcSConrad Meyer /* not reading all calendar files, just set output to stdout */
669fd1efedcSConrad Meyer if (!doall)
670fd1efedcSConrad Meyer return (stdout);
671fd1efedcSConrad Meyer
672fd1efedcSConrad Meyer /* set output to a temporary file, so if no output don't send mail */
673fd1efedcSConrad Meyer snprintf(path, sizeof(path), "%s/_calXXXXXX", _PATH_TMP);
674fd1efedcSConrad Meyer if ((fd = mkstemp(path)) < 0)
675fd1efedcSConrad Meyer return (NULL);
676fd1efedcSConrad Meyer return (fdopen(fd, "w+"));
677fd1efedcSConrad Meyer }
678fd1efedcSConrad Meyer
679fd1efedcSConrad Meyer void
closecal(FILE * fp)680fd1efedcSConrad Meyer closecal(FILE *fp)
681fd1efedcSConrad Meyer {
682fd1efedcSConrad Meyer struct stat sbuf;
683fd1efedcSConrad Meyer int nread, pdes[2], status;
684fd1efedcSConrad Meyer char buf[1024];
685fd1efedcSConrad Meyer
686fd1efedcSConrad Meyer if (!doall)
687fd1efedcSConrad Meyer return;
688fd1efedcSConrad Meyer
689fd1efedcSConrad Meyer rewind(fp);
690fd1efedcSConrad Meyer if (fstat(fileno(fp), &sbuf) || !sbuf.st_size)
691fd1efedcSConrad Meyer goto done;
692fd1efedcSConrad Meyer if (pipe(pdes) < 0)
693fd1efedcSConrad Meyer goto done;
694fd1efedcSConrad Meyer switch (fork()) {
695fd1efedcSConrad Meyer case -1: /* error */
696fd1efedcSConrad Meyer (void)close(pdes[0]);
697fd1efedcSConrad Meyer (void)close(pdes[1]);
698fd1efedcSConrad Meyer goto done;
699fd1efedcSConrad Meyer case 0:
700fd1efedcSConrad Meyer /* child -- set stdin to pipe output */
701fd1efedcSConrad Meyer if (pdes[0] != STDIN_FILENO) {
702fd1efedcSConrad Meyer (void)dup2(pdes[0], STDIN_FILENO);
703fd1efedcSConrad Meyer (void)close(pdes[0]);
704fd1efedcSConrad Meyer }
705fd1efedcSConrad Meyer (void)close(pdes[1]);
706fd1efedcSConrad Meyer execl(_PATH_SENDMAIL, "sendmail", "-i", "-t", "-F",
707fd1efedcSConrad Meyer "\"Reminder Service\"", (char *)NULL);
708fd1efedcSConrad Meyer warn(_PATH_SENDMAIL);
709fd1efedcSConrad Meyer _exit(1);
710fd1efedcSConrad Meyer }
711fd1efedcSConrad Meyer /* parent -- write to pipe input */
712fd1efedcSConrad Meyer (void)close(pdes[0]);
713fd1efedcSConrad Meyer
714fd1efedcSConrad Meyer write(pdes[1], "From: \"Reminder Service\" <", 26);
715fd1efedcSConrad Meyer write(pdes[1], pw->pw_name, strlen(pw->pw_name));
716fd1efedcSConrad Meyer write(pdes[1], ">\nTo: <", 7);
717fd1efedcSConrad Meyer write(pdes[1], pw->pw_name, strlen(pw->pw_name));
718fd1efedcSConrad Meyer write(pdes[1], ">\nSubject: ", 11);
719fd1efedcSConrad Meyer write(pdes[1], dayname, strlen(dayname));
720fd1efedcSConrad Meyer write(pdes[1], "'s Calendar\nPrecedence: bulk\n\n", 30);
721fd1efedcSConrad Meyer
722fd1efedcSConrad Meyer while ((nread = read(fileno(fp), buf, sizeof(buf))) > 0)
723fd1efedcSConrad Meyer (void)write(pdes[1], buf, nread);
724fd1efedcSConrad Meyer (void)close(pdes[1]);
725fd1efedcSConrad Meyer done: (void)fclose(fp);
726fd1efedcSConrad Meyer (void)unlink(path);
727fd1efedcSConrad Meyer while (wait(&status) >= 0);
728fd1efedcSConrad Meyer }
729