static int build_db(const char *shared, struct dbobj *obj)
{
char *dummy=malloc(strlen(shared)+sizeof("/cur"));
DIR *dirp;
struct dirent *de;
if (!dummy)
{
perror("malloc");
return (-1);
}
strcat(strcpy(dummy, shared), "/cur");
dirp=opendir(dummy);
while (dirp && (de=readdir(dirp)) != 0)
{
char *a, *b;
char *c;
if (de->d_name[0] == '.')
continue;
if ((a=malloc(strlen(de->d_name)+1)) == 0)
{
perror("malloc");
closedir(dirp);
free(dummy);
return (-1);
}
if ((b=malloc(strlen(de->d_name)+1)) == 0)
{
perror("malloc");
closedir(dirp);
free(dummy);
free(a);
return (-1);
}
strcpy(a, de->d_name);
strcpy(b, de->d_name);
c=strrchr(a, MDIRSEP[0]);
if (c) *c=0;
if (dbobj_store(obj, a, strlen(a), b, strlen(b), "R"))
{
perror("dbobj_store");
free(a);
free(b);
closedir(dirp);
free(dummy);
return (-1);
}
free(a);
free(b);
}
if (dirp) closedir(dirp);
free(dummy);
return (0);
}
static void check_db()
{
char *dbname;
char *lockname;
int lockfd;
struct dbobj db;
time_t now;
char *sender_key, *p;
size_t val_len;
char *val;
if (!dbfile || !*dbfile)
return;
sender_key=strdup(sender);
dbname=malloc(strlen(dbfile)+ sizeof( "." DBNAME));
lockname=malloc(strlen(dbfile)+ sizeof(".lock"));
for (p=sender_key; *p; p++)
*p=tolower((int)(unsigned char)*p);
if (!dbname || !lockname || !sender)
{
perror("malloc");
exit(EX_TEMPFAIL);
}
strcat(strcpy(dbname, dbfile), "." DBNAME);
strcat(strcpy(lockname, dbfile), ".lock");
lockfd=open(lockname, O_RDWR|O_CREAT, 0666);
if (lockfd < 0 || ll_lock_ex(lockfd))
{
perror(lockname);
exit(EX_TEMPFAIL);
}
dbobj_init(&db);
if (dbobj_open(&db, dbname, "C") < 0)
{
perror(dbname);
exit(EX_TEMPFAIL);
}
time(&now);
val=dbobj_fetch(&db, sender_key, strlen(sender_key), &val_len, "");
if (val)
{
time_t t;
if (val_len >= sizeof(t))
{
memcpy(&t, val, sizeof(t));
if (t >= now - interval * 60 * 60 * 24)
{
free(val);
dbobj_close(&db);
close(lockfd);
exit(0);
}
}
free(val);
}
dbobj_store(&db, sender_key, strlen(sender_key),
(void *)&now, sizeof(now), "R");
dbobj_close(&db);
close(lockfd);
}
