version 1.10, 2000/12/07 19:36:37 |
version 1.33, 2006/12/11 20:50:54 |
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* 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
* 3. All advertising materials mentioning features or use of this software |
* 3. Neither the name of the University nor the names of its contributors |
* must display the following acknowledgement: |
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* This product includes software developed by the University of |
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* California, Berkeley and its contributors. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
* may be used to endorse or promote products derived from this software |
* without specific prior written permission. |
* without specific prior written permission. |
* |
* |
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#if 0 |
#if 0 |
static const char sccsid[] = "@(#)calendar.c 8.3 (Berkeley) 3/25/94"; |
static const char sccsid[] = "@(#)calendar.c 8.3 (Berkeley) 3/25/94"; |
#else |
#else |
static char rcsid[] = "$OpenBSD$"; |
static const char rcsid[] = "$OpenBSD$"; |
#endif |
#endif |
#endif /* not lint */ |
#endif /* not lint */ |
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#include <sys/types.h> |
#include <sys/types.h> |
#include <sys/uio.h> |
#include <sys/uio.h> |
#include <sys/wait.h> |
#include <sys/wait.h> |
#include <sys/file.h> |
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#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
#include <err.h> |
#include <errno.h> |
#include <errno.h> |
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#include <fcntl.h> |
#include <locale.h> |
#include <locale.h> |
#include <pwd.h> |
#include <pwd.h> |
#include <stdio.h> |
#include <stdio.h> |
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#include "calendar.h" |
#include "calendar.h" |
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char *calendarFile = "calendar"; /* default calendar file */ |
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char *calendarHome = ".calendar"; /* HOME */ |
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char *calendarNoMail = "nomail"; /* don't sent mail if this file exist */ |
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struct iovec header[] = { |
struct iovec header[] = { |
{"From: ", 6}, |
{ "From: ", 6 }, |
{NULL, 0}, |
{ NULL, 0 }, |
{" (Reminder Service)\nTo: ", 24}, |
{ " (Reminder Service)\nTo: ", 24 }, |
{NULL, 0}, |
{ NULL, 0 }, |
{"\nSubject: ", 10}, |
{ "\nSubject: ", 10 }, |
{NULL, 0}, |
{ NULL, 0 }, |
{"'s Calendar\nPrecedence: bulk\n\n", 30}, |
{ "'s Calendar\nPrecedence: bulk\n", 29 }, |
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{ "Auto-Submitted: auto-generated\n\n", 32 }, |
}; |
}; |
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int openf(char *path); |
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void |
void |
cal() |
cal(void) |
{ |
{ |
register int printing; |
int ch, l, i, bodun = 0, bodun_maybe = 0, var, printing; |
register char *p; |
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FILE *fp; |
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int ch, l, i; |
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int var; |
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char buf[2048 + 1]; |
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struct event *events, *cur_evt, *ev1, *tmp; |
struct event *events, *cur_evt, *ev1, *tmp; |
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char buf[2048 + 1], *prefix = NULL, *p; |
struct match *m; |
struct match *m; |
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size_t nlen; |
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FILE *fp; |
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events = NULL; |
events = NULL; |
cur_evt = NULL; |
cur_evt = NULL; |
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if (strncmp(buf, "LANG=", 5) == 0) { |
if (strncmp(buf, "LANG=", 5) == 0) { |
(void) setlocale(LC_ALL, buf + 5); |
(void) setlocale(LC_ALL, buf + 5); |
setnnames(); |
setnnames(); |
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if (!strcmp(buf + 5, "ru_RU.KOI8-R") || |
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!strcmp(buf + 5, "uk_UA.KOI8-U") || |
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!strcmp(buf + 5, "by_BY.KOI8-B")) { |
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bodun_maybe++; |
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bodun = 0; |
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if (prefix) |
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free(prefix); |
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prefix = NULL; |
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} else |
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bodun_maybe = 0; |
continue; |
continue; |
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} else if (strncmp(buf, "CALENDAR=", 9) == 0) { |
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char *ep; |
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if (buf[9] == '\0') |
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calendar = 0; |
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else if (!strcasecmp(buf + 9, "julian")) { |
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calendar = JULIAN; |
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errno = 0; |
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julian = strtoul(buf + 14, &ep, 10); |
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if (buf[0] == '\0' || *ep != '\0') |
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julian = 13; |
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if ((errno == ERANGE && julian == ULONG_MAX) || |
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julian > 14) |
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errx(1, "Julian calendar offset is too large"); |
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} else if (!strcasecmp(buf + 9, "gregorian")) |
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calendar = GREGORIAN; |
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else if (!strcasecmp(buf + 9, "lunar")) |
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calendar = LUNAR; |
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} else if (bodun_maybe && strncmp(buf, "BODUN=", 6) == 0) { |
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bodun++; |
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if (prefix) |
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free(prefix); |
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if ((prefix = strdup(buf + 6)) == NULL) |
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err(1, NULL); |
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continue; |
} |
} |
/* User defined names for special events */ |
/* User defined names for special events */ |
if ((p = strchr(buf, '='))) { |
if ((p = strchr(buf, '='))) { |
for (i = 0; i < NUMEV; i++) { |
for (i = 0; i < NUMEV; i++) { |
if (strncasecmp(buf, spev[i].name, spev[i].nlen) == 0 && |
if (strncasecmp(buf, spev[i].name, |
(p - buf == spev[i].nlen) && buf[spev[i].nlen + 1]) { |
spev[i].nlen) == 0 && |
p++; |
(p - buf == spev[i].nlen) && |
if (spev[i].uname != NULL) |
buf[spev[i].nlen + 1]) { |
free(spev[i].uname); |
p++; |
if ((spev[i].uname = strdup(p)) == NULL) |
if (spev[i].uname != NULL) |
errx(1, "cannot allocate memory"); |
free(spev[i].uname); |
spev[i].ulen = strlen(p); |
if ((spev[i].uname = strdup(p)) == NULL) |
i = NUMEV + 1; |
err(1, NULL); |
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spev[i].ulen = strlen(p); |
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i = NUMEV + 1; |
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} |
} |
} |
} |
if (i > NUMEV) |
if (i > NUMEV) |
continue; |
continue; |
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} |
} |
if (buf[0] != '\t') { |
if (buf[0] != '\t') { |
printing = (m = isnow(buf)) ? 1 : 0; |
printing = (m = isnow(buf, bodun)) ? 1 : 0; |
if ((p = strchr(buf, '\t')) == NULL) { |
if ((p = strchr(buf, '\t')) == NULL) { |
printing = 0; |
printing = 0; |
continue; |
continue; |
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ev1 = NULL; |
ev1 = NULL; |
while (m) { |
while (m) { |
cur_evt = (struct event *) malloc(sizeof(struct event)); |
cur_evt = malloc(sizeof(struct event)); |
if (cur_evt == NULL) |
if (cur_evt == NULL) |
errx(1, "cannot allocate memory"); |
err(1, NULL); |
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cur_evt->when = m->when; |
cur_evt->when = m->when; |
snprintf(cur_evt->print_date, |
snprintf(cur_evt->print_date, |
sizeof(cur_evt->print_date), "%s%c", |
sizeof(cur_evt->print_date), "%s%c", |
m->print_date, (var + m->var) ? '*' : ' '); |
m->print_date, (var + m->var) ? '*' : ' '); |
if (ev1) { |
if (ev1) { |
cur_evt->desc = ev1->desc; |
cur_evt->desc = ev1->desc; |
cur_evt->ldesc = NULL; |
cur_evt->ldesc = NULL; |
} else { |
} else { |
if ((cur_evt->ldesc = strdup(p)) == NULL) |
if (m->bodun && prefix) { |
errx(1, "cannot allocate memory"); |
if (asprintf(&cur_evt->ldesc, |
cur_evt->desc = &(cur_evt->ldesc); |
"\t%s %s", prefix, |
ev1 = cur_evt; |
p + 1) == -1) |
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err(1, NULL); |
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} else if ((cur_evt->ldesc = |
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strdup(p)) == NULL) |
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err(1, NULL); |
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cur_evt->desc = &(cur_evt->ldesc); |
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ev1 = cur_evt; |
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} |
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insert(&events, cur_evt); |
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foo = m; |
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m = m->next; |
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free(foo); |
} |
} |
insert(&events, cur_evt); |
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foo = m; |
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m = m->next; |
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free(foo); |
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} |
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} |
} |
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} else if (printing) { |
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if (asprintf(&p, "%s\n%s", ev1->ldesc, |
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buf) == -1) |
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err(1, NULL); |
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free(ev1->ldesc); |
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ev1->ldesc = p; |
} |
} |
else if (printing) { |
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if ((ev1->ldesc = realloc(ev1->ldesc, |
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(2 + strlen(ev1->ldesc) + strlen(buf)))) == NULL) |
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errx(1, "cannot allocate memory"); |
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strcat(ev1->ldesc, "\n"); |
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strcat(ev1->ldesc, buf); |
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} |
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} |
} |
tmp = events; |
tmp = events; |
while (tmp) { |
while (tmp) { |
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} |
} |
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int |
int |
getfield(p, endp, flags) |
getfield(char *p, char **endp, int *flags) |
char *p, **endp; |
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int *flags; |
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{ |
{ |
int val, var, i; |
int val, var, i; |
char *start, savech; |
char *start, savech; |
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/* Sunday-1 */ |
/* Sunday-1 */ |
if (*p == '+' || *p == '-') |
if (*p == '+' || *p == '-') |
for(; isdigit(*++p);) |
for(; isdigit(*++p); ) |
; |
; |
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savech = *p; |
savech = *p; |
*p = '\0'; |
*p = '\0'; |
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/* Day */ |
/* Day */ |
else if ((val = getday(start)) != 0) { |
else if ((val = getday(start)) != 0) { |
*flags |= F_ISDAY; |
*flags |= F_ISDAY; |
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/* variable weekday */ |
/* variable weekday */ |
if ((var = getdayvar(start)) != 0) { |
if ((var = getdayvar(start)) != 0) { |
if (var <= 5 && var >= -4) |
if (var <= 5 && var >= -4) |
val += var * 10; |
val += var * 10; |
#ifdef DEBUG |
#ifdef DEBUG |
printf("var: %d\n", var); |
printf("var: %d\n", var); |
#endif |
#endif |
} |
} |
} |
} |
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/* Try specials (Easter, Paskha, ...) */ |
/* Try specials (Easter, Paskha, ...) */ |
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switch(*start) { |
switch(*start) { |
case '-': |
case '-': |
case '+': |
case '+': |
var = atoi(start); |
var = atoi(start); |
if (var > 365 || var < -365) |
if (var > 365 || var < -365) |
return (0); /* Someone is just being silly */ |
return (0); /* Someone is just being silly */ |
val += (NUMEV + 1) * var; |
val += (NUMEV + 1) * var; |
/* We add one to the matching event and multiply by |
/* We add one to the matching event and multiply by |
* (NUMEV + 1) so as not to return 0 if there's a match. |
* (NUMEV + 1) so as not to return 0 if there's a match. |
* val will overflow if there is an obscenely large |
* val will overflow if there is an obscenely large |
* number of special events. */ |
* number of special events. */ |
break; |
break; |
} |
} |
*flags |= F_SPECIAL; |
*flags |= F_SPECIAL; |
} |
} |
if (!(*flags & F_SPECIAL)) { |
if (!(*flags & F_SPECIAL)) { |
/* undefined rest */ |
/* undefined rest */ |
*p = savech; |
*p = savech; |
return (0); |
return (0); |
} |
} |
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return (val); |
return (val); |
} |
} |
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char path[MAXPATHLEN]; |
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int |
FILE * |
openf(path) |
opencal(void) |
char *path; |
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{ |
{ |
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int pdes[2], fdin; |
struct stat st; |
struct stat st; |
int fd; |
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fd = open(path, O_RDONLY|O_NONBLOCK); |
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if (fd == -1) |
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return (-1); |
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if (fstat(fd, &st) == -1) { |
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close(fd); |
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return (-1); |
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} |
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if ((st.st_mode & S_IFMT) != S_IFREG) { |
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close (fd); |
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return (-1); |
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} |
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fcntl(fd, F_SETFD, fcntl(fd, F_GETFD, 0) &~ O_NONBLOCK); |
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return (fd); |
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} |
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FILE * |
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opencal() |
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{ |
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int fd, pdes[2]; |
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int fdin; |
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struct stat sbuf; |
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/* open up calendar file as stdin */ |
/* open up calendar file as stdin */ |
if ((fdin = openf(calendarFile)) == -1) { |
if ((fdin = open(calendarFile, O_RDONLY)) == -1 || |
if (doall) { |
fstat(fdin, &st) == -1 || !S_ISREG(st.st_mode)) { |
if (chdir(calendarHome) != 0) |
if (!doall) { |
return (NULL); |
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if (stat(calendarNoMail, &sbuf) == 0) |
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return (NULL); |
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if ((fdin = openf(calendarFile)) == -1) |
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return (NULL); |
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} else { |
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char *home = getenv("HOME"); |
char *home = getenv("HOME"); |
if (home == NULL || *home == '\0') |
if (home == NULL || *home == '\0') |
errx(1, "cannot get home directory"); |
errx(1, "cannot get home directory"); |
if (!(chdir(home) == 0 && |
if (!(chdir(home) == 0 && |
chdir(calendarHome) == 0 && |
chdir(calendarHome) == 0 && |
(fdin = openf(calendarFile)) != -1)) |
(fdin = open(calendarFile, O_RDONLY)) != -1)) |
errx(1, "no calendar file: ``%s'' or ``~/%s/%s", |
errx(1, "no calendar file: ``%s'' or ``~/%s/%s''", |
calendarFile, calendarHome, calendarFile); |
calendarFile, calendarHome, calendarFile); |
} |
} |
} |
} |
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if (pipe(pdes) < 0) |
if (pipe(pdes) < 0) |
return (NULL); |
return (NULL); |
switch (vfork()) { |
switch (vfork()) { |
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(void)close(pdes[1]); |
(void)close(pdes[1]); |
} |
} |
(void)close(pdes[0]); |
(void)close(pdes[0]); |
(void)setuid(geteuid()); |
/* |
(void)setgid(getegid()); |
* Set stderr to /dev/null. Necessary so that cron does not |
execl(_PATH_CPP, "cpp", "-P", "-I.", _PATH_INCLUDE, NULL); |
* wait for cpp to finish if it's running calendar -a. |
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*/ |
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if (doall) { |
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int fderr; |
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fderr = open(_PATH_DEVNULL, O_WRONLY, 0); |
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if (fderr == -1) |
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_exit(0); |
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(void)dup2(fderr, STDERR_FILENO); |
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(void)close(fderr); |
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} |
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execl(_PATH_CPP, "cpp", "-traditional", "-undef", "-U__GNUC__", |
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"-P", "-I.", _PATH_INCLUDE, (char *)NULL); |
warn(_PATH_CPP); |
warn(_PATH_CPP); |
_exit(1); |
_exit(1); |
} |
} |
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return (stdout); |
return (stdout); |
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/* set output to a temporary file, so if no output don't send mail */ |
/* set output to a temporary file, so if no output don't send mail */ |
(void)snprintf(path, sizeof(path), "%s/_calXXXXXX", _PATH_TMP); |
return(tmpfile()); |
if ((fd = mkstemp(path)) < 0) |
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return (NULL); |
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return (fdopen(fd, "w+")); |
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} |
} |
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void |
void |
closecal(fp) |
closecal(FILE *fp) |
FILE *fp; |
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{ |
{ |
struct stat sbuf; |
struct stat sbuf; |
int nread, pdes[2], status; |
int nread, pdes[2], status; |
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(void)close(pdes[0]); |
(void)close(pdes[0]); |
} |
} |
(void)close(pdes[1]); |
(void)close(pdes[1]); |
(void)setuid(geteuid()); |
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(void)setgid(getegid()); |
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execl(_PATH_SENDMAIL, "sendmail", "-i", "-t", "-F", |
execl(_PATH_SENDMAIL, "sendmail", "-i", "-t", "-F", |
"\"Reminder Service\"", NULL); |
"\"Reminder Service\"", (char *)NULL); |
warn(_PATH_SENDMAIL); |
warn(_PATH_SENDMAIL); |
_exit(1); |
_exit(1); |
} |
} |
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header[1].iov_base = header[3].iov_base = pw->pw_name; |
header[1].iov_base = header[3].iov_base = pw->pw_name; |
header[1].iov_len = header[3].iov_len = strlen(pw->pw_name); |
header[1].iov_len = header[3].iov_len = strlen(pw->pw_name); |
writev(pdes[1], header, 7); |
writev(pdes[1], header, 8); |
while ((nread = read(fileno(fp), buf, sizeof(buf))) > 0) |
while ((nread = read(fileno(fp), buf, sizeof(buf))) > 0) |
(void)write(pdes[1], buf, nread); |
(void)write(pdes[1], buf, nread); |
(void)close(pdes[1]); |
(void)close(pdes[1]); |
done: (void)fclose(fp); |
done: (void)fclose(fp); |
(void)unlink(path); |
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while (wait(&status) >= 0) |
while (wait(&status) >= 0) |
; |
; |
} |
} |
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void |
void |
insert(head, cur_evt) |
insert(struct event **head, struct event *cur_evt) |
struct event **head; |
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struct event *cur_evt; |
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{ |
{ |
struct event *tmp, *tmp2; |
struct event *tmp, *tmp2; |
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