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|
/*-------------------------------------------------------*/
/* util/rmbadmail.c ( YZU WindTop 2000) */
/*-------------------------------------------------------*/
/* author : visor.bbs@bbs.yzu.edu.tw */
/* target : 刪除[信箱|看板]未在 .DIR 裡的信件 */
/* create : 00/08/30 */
/* update : 01/02/16 */
/*-------------------------------------------------------*/
/* syntax : rmbadmail */
/*-------------------------------------------------------*/
#undef FAKE_IO
#include "bbs.h"
static int reserve, r_size, ulink, u_size;
static void
reaper(fpath, lowid)
char *fpath;
char *lowid;
{
int fd, size, check;
char buf[256], *fname, folder[128], *ptr;
DIR *dirp;
struct dirent *de;
HDR *head, *tail, *base;
struct stat st;
time_t now;
now = time(0) - 60;
printf("> processing account %-20s ", lowid);
sprintf(buf, "%s/.DIR", fpath);
if ((fd = open(buf, O_RDONLY)) >= 0)
{
fstat(fd, &st);
size = st.st_size / sizeof(HDR);
if (size <= 0)
{
base = NULL;
}
else
{
base = (HDR *) malloc(sizeof(HDR) * size);
tail = base + size;
read(fd, base, sizeof(HDR) * size);
}
close(fd);
}
else
{
size = 0;
base = NULL;
}
printf("total mail : %d\n", size);
sprintf(folder, "%s/@", fpath);
if (!(dirp = opendir(folder)))
{
if (base)
free(base);
return;
}
ptr = strchr(folder, '@') + 1;
*ptr++ = '/';
while (de = readdir(dirp))
{
check = 0;
fname = de->d_name;
if (fname[0] > ' ' && fname[0] != '.')
{
if (base)
{
for (head = base; head < tail; head++)
{
if (!strcmp(head->xname, fname))
{
check = 1;
break;
}
}
}
if (!check)
{
strcpy(ptr, fname);
if (!(!stat(folder, &st) && (st.st_atime > now)))
{
u_size += st.st_size;
ulink++;
printf("file is not in HDR : %s : unlink !\n", fname);
printf("--> unlinking %s\n", folder);
#ifndef FAKE_IO
unlink(folder);
#endif
}
else
{
r_size += st.st_size;
reserve++;
printf("file is not in HDR : %s : reserve !\n", fname);
}
}
}
}
closedir(dirp);
free(base);
}
static void
expire(fpath, lowid)
char *fpath;
char *lowid;
{
int fd, size, check;
char buf[256], *fname, folder[128], *ptr, *str;
DIR *dirp;
struct dirent *de;
HDR *head, *tail, *base;
struct stat st;
time_t now;
now = time(0) - 60;
printf("> processing board %-20s ", lowid);
sprintf(buf, "%s/.DIR", fpath);
if ((fd = open(buf, O_RDONLY)) >= 0)
{
fstat(fd, &st);
size = st.st_size / sizeof(HDR);
if (size <= 0)
{
base = NULL;
}
else
{
base = (HDR *) malloc(sizeof(HDR) * size);
tail = base + size;
read(fd, base, sizeof(HDR) * size);
}
close(fd);
}
else
{
base = NULL;
size = 0;
}
printf("total article : %d\n", size);
sprintf(folder, "%s/@", fpath);
str = strchr(folder, '@');
ptr = str + 1;
*ptr++ = '/';
*str = '0';
while (1)
{
if ((dirp = opendir(folder)))
{
while (de = readdir(dirp))
{
check = 0;
fname = de->d_name;
if (fname[0] > ' ' && fname[0] != '.')
{
if (base)
{
for (head = base; head < tail; head++)
{
if (!strcmp(head->xname, fname))
{
check = 1;
break;
}
}
}
if (!check)
{
strcpy(ptr, fname);
if (!(!stat(folder, &st) && (st.st_atime > now)))
{
u_size += st.st_size;
ulink++;
printf("file is not in HDR : %s : unlink !\n", fname);
printf("--> unlinking %s\n", folder);
#ifndef FAKE_IO
unlink(folder);
#endif
}
else
{
r_size += st.st_size;
reserve++;
printf("file is not in HDR : %s : reserve !\n", fname);
}
}
}
}
closedir(dirp);
}
if (++(*str) == ('9' + 1))
*str = 'A';
if ((*str) == 'W')
break;
}
free(base);
}
static void
traverse(fpath, mode)
char *fpath;
int mode;
{
DIR *dirp;
struct dirent *de;
char *fname, *str;
if (!(dirp = opendir(fpath)))
{
return;
}
for (str = fpath; *str; str++);
*str++ = '/';
while (de = readdir(dirp))
{
fname = de->d_name;
if (fname[0] > ' ' && fname[0] != '.')
{
strcpy(str, fname);
if (mode == 1)
reaper(fpath, fname);
else if (mode == 2)
expire(fpath, fname);
}
}
closedir(dirp);
}
int
main(argc, argv)
int argc;
char *argv[];
{
int ch;
char *fname, fpath[256], buf[32];
chdir(BBSHOME);
if (argc > 1 && !strncmp(argv[1], "-a", 2))
{
if (argc > 2)
{
str_lower(buf, argv[2]);
sprintf(fpath, "usr/%c/%s", *buf, buf);
if (!access(fpath, 0))
reaper(fpath, buf);
else
printf("error open account %s\n", buf);
}
else
{
strcpy(fname = fpath, "usr/@");
fname = (char *) strchr(fname, '@');
for (ch = 'a'; ch <= 'z'; ch++)
{
fname[0] = ch;
fname[1] = '\0';
traverse(fpath, 1);
}
for (ch = '0'; ch <= '9'; ch++)
{
fname[0] = ch;
fname[1] = '\0';
traverse(fpath, 1);
}
}
}
else if (argc > 1 && !strncmp(argv[1], "-b", 2))
{
if (argc > 2)
{
strcpy(buf, argv[2]);
sprintf(fpath, "brd/%s", buf);
if (!access(fpath, 0))
expire(fpath, buf);
else
printf("error open board %s\n", buf);
}
else
{
strcpy(fpath, "brd");
traverse(fpath, 2);
}
}
else
{
printf("syntax : rmbadmail [-a|-b] [account|board]\n");
}
printf("total unlink %10d unlink size : %10d\n", ulink, u_size);
printf("total reserve %10d reserve size : %10d\n", reserve, r_size);
return 0;
}
|
