-/* $Header$
+/* $Id $
*
* disabled: check to see if registration is enabled right now. Most of this
* code is stolen from the cron daemon.
*
- * (c) Copyright 1988 by the Massachusetts Institute of Technology.
- * For copying and distribution information, please see the file
- * <mit-copyright.h>.
+ * Copyright (C) 1988-1998 by the Massachusetts Institute of Technology.
+ * For copying and distribution information, please see the file
+ * <mit-copyright.h>.
*/
#include <mit-copyright.h>
-#include <stdio.h>
+#include <moira.h>
+
#include <ctype.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/file.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
-#define LISTS (2*BUFSIZ)
+#include "userreg.h"
+
+#define LISTS (2 * BUFSIZ)
#define MAXLIN BUFSIZ
#define EXACT 100
#define RANGE 103
#define EOS 104
-#define FILENAME "disabled.times"
-
-time_t itime, time();
+time_t itime;
struct tm *loct;
-struct tm *localtime();
-char *malloc();
-char *realloc();
int flag;
char *list;
char *listend;
unsigned listsize;
-char *cmp();
+char *cmp(char *p, int v);
+void init(void);
+void append(char *fn);
+int number(char c, FILE *f);
/* This routine will determine if registration is enabled at this time. If
* NULL is returned, registration is OK. Otherwise, the string returned
* will indicate the time that registration will be re-enabled.
*/
-char *disabled(msg)
-char **msg;
+char *disabled(char **msg)
{
- register char *cp;
- int hit;
+ char *cp;
+ int hit;
- *msg = 0;
- init();
- append(FILENAME);
- *listend++ = EOS;
- *listend++ = EOS;
+ *msg = 0;
+ init();
+ append(DISABLE_FILE);
+ *listend++ = EOS;
+ *listend++ = EOS;
- (void) time(&itime);
- itime -= localtime(&itime)->tm_sec;
- loct = localtime(&itime);
- loct->tm_mon++; /* 1-12 for month */
- if (loct->tm_wday == 0)
- loct->tm_wday = 7; /* sunday is 7, not 0 */
- hit = 0;
- for(cp = list; *cp != EOS;) {
- flag = 0;
- cp = cmp(cp, loct->tm_min);
- cp = cmp(cp, loct->tm_hour);
- cp = cmp(cp, loct->tm_mday);
- cp = cmp(cp, loct->tm_mon);
- cp = cmp(cp, loct->tm_wday);
- if(flag == 0) {
- *msg = cp;
- hit++;
- break;
+ time(&itime);
+ itime -= localtime(&itime)->tm_sec;
+ loct = localtime(&itime);
+ loct->tm_mon++; /* 1-12 for month */
+ if (loct->tm_wday == 0)
+ loct->tm_wday = 7; /* sunday is 7, not 0 */
+ hit = 0;
+ for (cp = list; *cp != EOS;)
+ {
+ flag = 0;
+ cp = cmp(cp, loct->tm_min);
+ cp = cmp(cp, loct->tm_hour);
+ cp = cmp(cp, loct->tm_mday);
+ cp = cmp(cp, loct->tm_mon);
+ cp = cmp(cp, loct->tm_wday);
+ if (flag == 0)
+ {
+ *msg = cp;
+ hit++;
+ break;
}
- while(*cp++ != 0)
- ;
+ while (*cp++)
+ ;
}
- if (!hit)
- return(NULL);
- while (hit) {
- itime += 60; /* add a minute */
- loct = localtime(&itime);
- loct->tm_mon++; /* 1-12 for month */
- if (loct->tm_wday == 0)
- loct->tm_wday = 7; /* sunday is 7, not 0 */
- hit = 0;
- for(cp = list; *cp != EOS;) {
- flag = 0;
- cp = cmp(cp, loct->tm_min);
- cp = cmp(cp, loct->tm_hour);
- cp = cmp(cp, loct->tm_mday);
- cp = cmp(cp, loct->tm_mon);
- cp = cmp(cp, loct->tm_wday);
- if(flag == 0) {
- hit++;
- break;
+ if (!hit)
+ return NULL;
+ while (hit)
+ {
+ itime += 60; /* add a minute */
+ loct = localtime(&itime);
+ loct->tm_mon++; /* 1-12 for month */
+ if (loct->tm_wday == 0)
+ loct->tm_wday = 7; /* sunday is 7, not 0 */
+ hit = 0;
+ for(cp = list; *cp != EOS;)
+ {
+ flag = 0;
+ cp = cmp(cp, loct->tm_min);
+ cp = cmp(cp, loct->tm_hour);
+ cp = cmp(cp, loct->tm_mday);
+ cp = cmp(cp, loct->tm_mon);
+ cp = cmp(cp, loct->tm_wday);
+ if (!flag)
+ {
+ hit++;
+ break;
}
- while(*cp++ != 0)
- ;
+ while(*cp++ != 0)
+ ;
}
}
- return(ctime(&itime));
+ return ctime(&itime);
}
-static char *
-cmp(p, v)
-char *p;
+char *cmp(char *p, int v)
{
- register char *cp;
-
- cp = p;
- switch(*cp++) {
+ char *cp;
- case EXACT:
- if (*cp++ != v)
- flag++;
- return(cp);
+ cp = p;
+ switch (*cp++)
+ {
+ case EXACT:
+ if (*cp++ != v)
+ flag++;
+ return cp;
- case ANY:
- return(cp);
+ case ANY:
+ return cp;
- case LIST:
- while(*cp != LIST)
- if(*cp++ == v) {
- while(*cp++ != LIST)
- ;
- return(cp);
- }
- flag++;
- return(cp+1);
-
- case RANGE:
- if(*cp > v || cp[1] < v)
- flag++;
- return(cp+2);
+ case LIST:
+ while (*cp != LIST)
+ {
+ if (*cp++ == v)
+ {
+ while (*cp++ != LIST)
+ ;
+ return cp;
+ }
}
- if(cp[-1] != v)
- flag++;
- return(cp);
+ flag++;
+ return cp + 1;
+
+ case RANGE:
+ if (*cp > v || cp[1] < v)
+ flag++;
+ return cp + 2;
+ }
+ if (cp[-1] != v)
+ flag++;
+ return cp;
}
-static init()
+void init(void)
{
- /*
- * Don't free in case was longer than LISTS. Trades off
- * the rare case of crontab shrinking vs. the common case of
- * extra realloc's needed in append() for a large crontab.
- */
- if (list == 0) {
- list = malloc(LISTS);
- listsize = LISTS;
- }
- listend = list;
+ /*
+ * Don't free in case was longer than LISTS. Trades off
+ * the rare case of crontab shrinking vs. the common case of
+ * extra realloc's needed in append() for a large crontab.
+ */
+ if (list == 0)
+ {
+ list = malloc(LISTS);
+ listsize = LISTS;
+ }
+ listend = list;
}
-static append(fn)
-char *fn;
+void append(char *fn)
{
- register i, c;
- register char *cp;
- register char *ocp;
- register int n;
- FILE *f, *fopen();
+ int i, c;
+ char *cp;
+ char *ocp;
+ int n;
+ FILE *f;
- if ((f = fopen(fn, "r")) == (FILE *) NULL)
- return;
- cp = listend;
+ if (!(f = fopen(fn, "r")))
+ return;
+ cp = listend;
loop:
- if(cp > list+listsize-MAXLIN) {
- int length = cp - list;
+ if (cp > list + listsize - MAXLIN)
+ {
+ int length = cp - list;
- listsize += LISTS;
- list = realloc(list, listsize);
- cp = list + length;
+ listsize += LISTS;
+ list = realloc(list, listsize);
+ cp = list + length;
+ }
+ ocp = cp;
+ for (i = 0; ; i++)
+ {
+ do
+ c = getc(f);
+ while(c == ' ' || c == '\t');
+ if (c == EOF || c == '\n')
+ goto ignore;
+ if (i == 5)
+ break;
+ if (c == '*')
+ {
+ *cp++ = ANY;
+ continue;
}
- ocp = cp;
- for(i=0;; i++) {
- do
- c = getc(f);
- while(c == ' ' || c == '\t')
- ;
- if(c == EOF || c == '\n')
- goto ignore;
- if(i == 5)
- break;
- if(c == '*') {
- *cp++ = ANY;
- continue;
- }
- if ((n = number(c, f)) < 0)
- goto ignore;
- c = getc(f);
- if(c == ',')
- goto mlist;
- if(c == '-')
- goto mrange;
- if(c != '\t' && c != ' ')
- goto ignore;
- *cp++ = EXACT;
- *cp++ = n;
- continue;
-
- mlist:
- *cp++ = LIST;
- *cp++ = n;
- do {
- if ((n = number(getc(f), f)) < 0)
- goto ignore;
- *cp++ = n;
- c = getc(f);
- } while (c==',');
- if(c != '\t' && c != ' ')
- goto ignore;
- *cp++ = LIST;
- continue;
+ if ((n = number(c, f)) < 0)
+ goto ignore;
+ c = getc(f);
+ if(c == ',')
+ goto mlist;
+ if(c == '-')
+ goto mrange;
+ if(c != '\t' && c != ' ')
+ goto ignore;
+ *cp++ = EXACT;
+ *cp++ = n;
+ continue;
- mrange:
- *cp++ = RANGE;
- *cp++ = n;
- if ((n = number(getc(f), f)) < 0)
- goto ignore;
- c = getc(f);
- if(c != '\t' && c != ' ')
- goto ignore;
- *cp++ = n;
+ mlist:
+ *cp++ = LIST;
+ *cp++ = n;
+ do
+ {
+ if ((n = number(getc(f), f)) < 0)
+ goto ignore;
+ *cp++ = n;
+ c = getc(f);
}
- while(c != '\n') {
- if(c == EOF)
- goto ignore;
- if(c == '%')
- c = '\n';
- *cp++ = c;
- c = getc(f);
- }
- *cp++ = '\n';
- *cp++ = 0;
- goto loop;
+ while (c == ',');
+ if (c != '\t' && c != ' ')
+ goto ignore;
+ *cp++ = LIST;
+ continue;
+
+ mrange:
+ *cp++ = RANGE;
+ *cp++ = n;
+ if ((n = number(getc(f), f)) < 0)
+ goto ignore;
+ c = getc(f);
+ if (c != '\t' && c != ' ')
+ goto ignore;
+ *cp++ = n;
+ }
+ while (c != '\n')
+ {
+ if (c == EOF)
+ goto ignore;
+ if (c == '%')
+ c = '\n';
+ *cp++ = c;
+ c = getc(f);
+ }
+ *cp++ = '\n';
+ *cp++ = 0;
+ goto loop;
ignore:
- cp = ocp;
- while(c != '\n') {
- if(c == EOF) {
- (void) fclose(f);
- listend = cp;
- return;
- }
- c = getc(f);
+ cp = ocp;
+ while (c != '\n')
+ {
+ if (c == EOF)
+ {
+ fclose(f);
+ listend = cp;
+ return;
}
- goto loop;
+ c = getc(f);
+ }
+ goto loop;
}
-static number(c, f)
-register c;
-FILE *f;
+int number(char c, FILE *f)
{
- register n = 0;
+ int n = 0;
- while (isdigit(c)) {
- n = n*10 + c - '0';
- c = getc(f);
- }
- (void) ungetc(c, f);
- if (n>=100)
- return(-1);
- return(n);
+ while (isdigit(c))
+ {
+ n = n * 10 + c - '0';
+ c = getc(f);
+ }
+ ungetc(c, f);
+ if (n >= 100)
+ return -1;
+ return n;
}
andersk / moira.git / blobdiff