helpmod2/hticket.c

   1 #include <time.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "hchannel.h"
   6 #include "hticket.h"
   7 #include "hgen.h"
   8
   9 hticket *hticket_get(const char *authname, struct hchannel_struct *hchan)
  10 {
  11     hticket *tmp;
  12     if (hchan == NULL)
  13         return NULL;
  14     for (tmp = hchan->htickets;tmp;tmp = tmp->next)
  15         if (!ci_strcmp(authname, tmp->authname))
  16             return tmp;
  17     return NULL;
  18 }
  19
  20 hticket *hticket_del(hticket *htick, struct hchannel_struct *hchan)
  21 {
  22     hticket **ptr;
  23     for (ptr = &hchan->htickets;*ptr;ptr = &(*ptr)->next)
  24         if (*ptr == htick)
  25         {
  26             hticket *tmp = (*ptr)->next;
  27             if ((*ptr)->message)
  28                 freesstring((*ptr)->message);
  29             free(*ptr);
  30             *ptr = tmp;
  31             return NULL;
  32         }
  33
  34     return htick;
  35 }
  36
  37 hticket *hticket_add(const char *authname, time_t expiration, struct hchannel_struct *hchan, const char *message)
  38 {
  39     hticket *tmp = hticket_get(authname, hchan), **ptr;
  40
  41     if (hchan == NULL)
  42         return NULL;
  43
  44     if (tmp != NULL)
  45         return tmp;
  46
  47     tmp = (hticket*)malloc(sizeof(struct hticket_struct));
  48
  49     strcpy(tmp->authname, authname);
  50     tmp->time_expiration = expiration;
  51
  52     if (message == NULL)
  53         tmp->message = NULL;
  54     else
  55         tmp->message = getsstring(message, strlen(message));
  56
  57     /* find the correct position */
  58     for (ptr = &hchan->htickets;*ptr && (*ptr)->time_expiration >= expiration;ptr = &(*ptr)->next);
  59
  60     tmp->next = *ptr;
  61     *ptr = tmp;
  62
  63     return tmp;
  64 }
  65
  66 int hticket_count(void)
  67 {
  68     int count = 0;
  69     hticket *htick;
  70     hchannel *hchan;
  71
  72     for (hchan = hchannels;hchan;hchan = hchan->next)
  73         for (htick = hchan->htickets;htick;htick = htick->next)
  74             count++;
  75
  76     return count;
  77 }
  78
  79 void hticket_remove_expired(void)
  80 {
  81     hchannel *hchan;
  82     hticket **tmp;
  83     for (hchan = hchannels;hchan;hchan = hchan->next)
  84     {
  85         tmp = &hchan->htickets;
  86         while (*tmp)
  87             if ((*tmp)->time_expiration < time(NULL))
  88                 hticket_del(*tmp, hchan);
  89             else
  90                 tmp = &(*tmp)->next;
  91     }
  92 }